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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.12 by pcg, Thu Dec 18 14:11:47 2003 UTC vs.
Revision 1.389 by root, Fri Jul 8 00:23:22 2011 UTC

1/*--------------------------------*-C-*--------------------------------------* 1/*---------------------------------------------------------------------------*
2 * File: screen.c 2 * File: screen.C
3 *---------------------------------------------------------------------------* 3 *---------------------------------------------------------------------------*
4 * $Id: screen.C,v 1.12 2003/12/18 14:11:47 pcg Exp $
5 * 4 *
6 * 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>
7 * 7 *
8 * 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
9 * 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
10 * the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version. 11 * (at your option) any later version.
… …
17 * 17 *
18 * 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
19 * along with this program; if not, write to the Free Software 19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 *--------------------------------------------------------------------------*/ 21 *--------------------------------------------------------------------------*/
22
22/* 23/*
23 * We handle _all_ screen updates and selections 24 * This file handles _all_ screen updates and selections
24 */ 25 */
25 26
26#include "../config.h" /* NECESSARY */ 27#include "../config.h" /* NECESSARY */
27#define INTERN_SCREEN
28#include "rxvt.h" /* NECESSARY */ 28#include "rxvt.h" /* NECESSARY */
29#include "screen.intpro" /* PROTOS for internal routines */ 29#include "rxvtperl.h" /* NECESSARY */
30 30
31#include <X11/Xmd.h> /* get the typedef for CARD32 */
32
33#include <stdint.h> 31#include <inttypes.h>
34#include <wchar.h>
35 32
36#include "salloc.C" // HACK!! 33#include "salloc.C" // HACK, should be a separate compile!
37 34
35static inline void
38inline void fill_text (text_t *start, text_t value, int len) 36fill_text (text_t *start, text_t value, int len)
39{ 37{
40 while (len--) 38 while (len--)
41 *start++ = value; 39 *start++ = value;
42} 40}
43 41
44/* ------------------------------------------------------------------------- */ 42/* ------------------------------------------------------------------------- */
45#define PROP_SIZE 16384
46#define TABSIZE 8 /* default tab size */ 43#define TABSIZE 8 /* default tab size */
47 44
48/* ------------------------------------------------------------------------- * 45/* ------------------------------------------------------------------------- *
49 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 46 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
50 * ------------------------------------------------------------------------- */ 47 * ------------------------------------------------------------------------- */
51#define ZERO_SCROLLBACK(R) \ 48#define ZERO_SCROLLBACK() \
52 if (((R)->Options & Opt_scrollTtyOutput) == Opt_scrollTtyOutput) \ 49 if (option (Opt_scrollTtyOutput)) \
53 (R)->TermWin.view_start = 0 50 view_start = 0
54#define CLEAR_SELECTION(R) \ 51#define CLEAR_SELECTION() \
55 (R)->selection.beg.row = (R)->selection.beg.col \ 52 selection.beg.row = selection.beg.col \
56 = (R)->selection.end.row = (R)->selection.end.col = 0 53 = selection.end.row = selection.end.col = 0
57#define CLEAR_ALL_SELECTION(R) \ 54#define CLEAR_ALL_SELECTION() \
58 (R)->selection.beg.row = (R)->selection.beg.col \ 55 selection.beg.row = selection.beg.col \
59 = (R)->selection.mark.row = (R)->selection.mark.col \ 56 = selection.mark.row = selection.mark.col \
60 = (R)->selection.end.row = (R)->selection.end.col = 0 57 = selection.end.row = selection.end.col = 0
61 58
62#define ROW_AND_COL_IS_AFTER(A, B, C, D) \ 59#define ROW_AND_COL_IS_AFTER(A, B, C, D) \
63 (((A) > (C)) || (((A) == (C)) && ((B) > (D)))) 60 (((A) > (C)) || (((A) == (C)) && ((B) > (D))))
64#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \ 61#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \
65 (((A) < (C)) || (((A) == (C)) && ((B) < (D)))) 62 (((A) < (C)) || (((A) == (C)) && ((B) < (D))))
66#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \ 63#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \
67 (((A) == (C)) && ((B) > (D))) 64 (((A) == (C)) && ((B) > (D)))
68#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \ 65#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \
69 (((A) == (C)) && ((B) >= (D))) 66 (((A) == (C)) && ((B) >= (D)))
70#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \ 67#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \
71 (((A) == (C)) && ((B) < (D))) 68 (((A) == (C)) && ((B) < (D)))
72#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \ 69#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \
73 (((A) == (C)) && ((B) <= (D))) 70 (((A) == (C)) && ((B) <= (D)))
74 71
75/* these must be row_col_t */ 72/* these must be row_col_t */
76#define ROWCOL_IS_AFTER(X, Y) \ 73#define ROWCOL_IS_AFTER(X, Y) \
77 ROW_AND_COL_IS_AFTER((X).row, (X).col, (Y).row, (Y).col) 74 ROW_AND_COL_IS_AFTER ((X).row, (X).col, (Y).row, (Y).col)
78#define ROWCOL_IS_BEFORE(X, Y) \ 75#define ROWCOL_IS_BEFORE(X, Y) \
79 ROW_AND_COL_IS_BEFORE((X).row, (X).col, (Y).row, (Y).col) 76 ROW_AND_COL_IS_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
80#define ROWCOL_IN_ROW_AFTER(X, Y) \ 77#define ROWCOL_IN_ROW_AFTER(X, Y) \
81 ROW_AND_COL_IN_ROW_AFTER((X).row, (X).col, (Y).row, (Y).col) 78 ROW_AND_COL_IN_ROW_AFTER ((X).row, (X).col, (Y).row, (Y).col)
82#define ROWCOL_IN_ROW_BEFORE(X, Y) \ 79#define ROWCOL_IN_ROW_BEFORE(X, Y) \
83 ROW_AND_COL_IN_ROW_BEFORE((X).row, (X).col, (Y).row, (Y).col) 80 ROW_AND_COL_IN_ROW_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
84#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \ 81#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \
85 ROW_AND_COL_IN_ROW_AT_OR_AFTER((X).row, (X).col, (Y).row, (Y).col) 82 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col)
86#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \ 83#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \
87 ROW_AND_COL_IN_ROW_AT_OR_BEFORE((X).row, (X).col, (Y).row, (Y).col) 84 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
88 85
89/* 86/*
90 * CLEAR_ROWS : clear <num> rows starting from row <row>
91 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> 87 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>
92 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour
93 */ 88 */
94#define drawBuffer TermWin.vt
95
96#define CLEAR_ROWS(row, num) \
97 if (TermWin.mapped) \
98 XClearArea (Xdisplay, drawBuffer, TermWin.int_bwidth, \
99 Row2Pixel(row), (unsigned int)TermWin.width, \
100 (unsigned int)Height2Pixel(num), False)
101
102#define CLEAR_CHARS(x, y, num) \ 89#define CLEAR_CHARS(x, y, num) \
103 if (TermWin.mapped) \ 90 if (mapped) \
104 XClearArea (Xdisplay, drawBuffer, x, y, \ 91 XClearArea (dpy, vt, x, y, \
105 (unsigned int)Width2Pixel(num), \ 92 (unsigned int)Width2Pixel (num), \
106 (unsigned int)Height2Pixel(1), False) 93 (unsigned int)Height2Pixel (1), False)
107
108#define ERASE_ROWS(row, num) \
109 XFillRectangle (Xdisplay, drawBuffer, TermWin.gc, \
110 TermWin.int_bwidth, Row2Pixel(row), \
111 (unsigned int)TermWin.width, \
112 (unsigned int)Height2Pixel(num))
113 94
114/* ------------------------------------------------------------------------- * 95/* ------------------------------------------------------------------------- *
115 * SCREEN `COMMON' ROUTINES * 96 * SCREEN `COMMON' ROUTINES *
116 * ------------------------------------------------------------------------- */ 97 * ------------------------------------------------------------------------- */
98
117/* Fill part/all of a line with blanks. */ 99/* Fill part/all of a line with blanks. */
118void 100void
119rxvt_term::scr_blank_line (text_t *et, rend_t *er, unsigned int width, rend_t efs) 101rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW
120{ 102{
121 efs &= ~RS_baseattrMask; 103 if (!l.t)
104 {
105 lalloc (l);
106 col = 0;
107 width = ncol;
108 }
109
110 l.touch ();
111
112 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
122 efs = SET_FONT (efs, TermWin.fontset->find_font (' ')); 113 efs = SET_FONT (efs, FONTSET (efs)->find_font (' '));
114
115 text_t *et = l.t + col;
116 rend_t *er = l.r + col;
123 117
124 while (width--) 118 while (width--)
125 { 119 {
126 *et++ = ' '; 120 *et++ = ' ';
127 *er++ = efs; 121 *er++ = efs;
… …
129} 123}
130 124
131/* ------------------------------------------------------------------------- */ 125/* ------------------------------------------------------------------------- */
132/* Fill a full line with blanks - make sure it is allocated first */ 126/* Fill a full line with blanks - make sure it is allocated first */
133void 127void
134rxvt_term::scr_blank_screen_mem (text_t **tp, rend_t **rp, unsigned int row, rend_t efs) 128rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW
135{ 129{
136#ifdef DEBUG_STRICT 130 scr_blank_line (l, 0, ncol, efs);
137 assert((tp[row] && rp[row]) || (tp[row] == NULL && rp[row] == NULL));
138#endif
139 if (tp[row] == NULL)
140 {
141 tp[row] = (text_t *)talloc->alloc ();
142 rp[row] = (rend_t *)ralloc->alloc ();
143 }
144 131
145 scr_blank_line (tp[row], rp[row], TermWin.ncol, efs); 132 l.l = 0;
133 l.f = 0;
134}
135
136// nuke a single wide character at the given column
137void
138rxvt_term::scr_kill_char (line_t &l, int col) const NOTHROW
139{
140 // find begin
141 while (col > 0 && l.t[col] == NOCHAR)
142 col--;
143
144 rend_t rend = l.r[col] & ~RS_baseattrMask;
145 rend = SET_FONT (rend, FONTSET (rend)->find_font (' '));
146
147 l.touch ();
148
149 // found start, nuke
150 do {
151 l.t[col] = ' ';
152 l.r[col] = rend;
153 col++;
154 } while (col < ncol && l.t[col] == NOCHAR);
146} 155}
147 156
148/* ------------------------------------------------------------------------- * 157/* ------------------------------------------------------------------------- *
149 * SCREEN INITIALISATION * 158 * SCREEN INITIALISATION *
150 * ------------------------------------------------------------------------- */ 159 * ------------------------------------------------------------------------- */
160
151void 161void
152rxvt_term::scr_reset () 162rxvt_term::scr_reset ()
153{ 163{
154 unsigned int ncol, nrow, total_rows, prev_total_rows; 164#if ENABLE_OVERLAY
155 unsigned int p, q; 165 scr_overlay_off ();
156 int k; 166#endif
157 rend_t setrstyle;
158 167
159 D_SCREEN((stderr, "rxvt_scr_reset()"));
160
161 TermWin.view_start = 0; 168 view_start = 0;
162 num_scr = 0; 169 num_scr = 0;
163 170
164 if (TermWin.ncol == 0) 171 if (ncol == 0)
165 TermWin.ncol = 80; 172 ncol = 80;
166 173
167 if (TermWin.nrow == 0) 174 if (nrow == 0)
168 TermWin.nrow = 24; 175 nrow = 24;
169
170 ncol = TermWin.ncol;
171 nrow = TermWin.nrow;
172 176
173 if (ncol == prev_ncol && nrow == prev_nrow) 177 if (ncol == prev_ncol && nrow == prev_nrow)
174 return; 178 return;
175 179
180 // we need at least two lines for wrapping to work correctly
181 while (nrow + saveLines < 2)
182 {
183 //TODO//FIXME
184 saveLines++;
185 prev_nrow--;
186 top_row--;
187 }
188
176 want_refresh = 1; 189 want_refresh = 1;
177 190
191 int prev_total_rows = prev_nrow + saveLines;
178 total_rows = nrow + TermWin.saveLines; 192 total_rows = nrow + saveLines;
179 prev_total_rows = prev_nrow + TermWin.saveLines;
180 193
181 screen.tscroll = 0; 194 screen.tscroll = 0;
182 screen.bscroll = nrow - 1; 195 screen.bscroll = nrow - 1;
183 196
184 if (!talloc) 197 if (!row_buf)
185 { 198 {
199 /*
200 * first time called so just malloc everything: don't rely on realloc
201 */
202 top_row = 0;
203 term_start = 0;
204
186 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 205 talloc = new rxvt_salloc (ncol * sizeof (text_t));
187 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 206 ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
188 }
189
190 if (prev_nrow == 0)
191 {
192 /*
193 * first time called so just malloc everything : don't rely on realloc
194 * Note: this is still needed so that all the scrollback lines are NULL
195 */
196 screen.text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
197 buf_text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
198 drawn_text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
199 swap.text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
200 207
201 screen.tlen = (int16_t *)rxvt_calloc(total_rows, sizeof(int16_t)); 208 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
202 swap.tlen = (int16_t *)rxvt_calloc(nrow, sizeof(int16_t)); 209 drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
210 swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
203 211
204 screen.rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *)); 212 for (int row = nrow; row--; )
205 buf_rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *));
206 drawn_rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *));
207 swap.rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *));
208
209 for (p = 0; p < nrow; p++)
210 {
211 q = p + TermWin.saveLines;
212 scr_blank_screen_mem (screen.text, screen.rend, q, DEFAULT_RSTYLE);
213 scr_blank_screen_mem (swap.text, swap.rend, p, DEFAULT_RSTYLE);
214 screen.tlen[q] = swap.tlen[p] = 0;
215 scr_blank_screen_mem (drawn_text, drawn_rend, p, DEFAULT_RSTYLE);
216 } 213 {
214 scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
215 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
216 scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
217 }
217 218
218 MEMSET(charsets, 'B', sizeof(charsets)); 219 memset (charsets, 'B', sizeof (charsets));
219 TermWin.nscrolled = 0; /* no saved lines */
220 rstyle = DEFAULT_RSTYLE; 220 rstyle = DEFAULT_RSTYLE;
221 screen.flags = Screen_DefaultFlags; 221 screen.flags = Screen_DefaultFlags;
222 screen.cur.row = screen.cur.col = 0; 222 screen.cur.row = screen.cur.col = 0;
223 screen.charset = 0; 223 screen.charset = 0;
224 current_screen = PRIMARY; 224 current_screen = PRIMARY;
225 rxvt_scr_cursor (this, SAVE); 225 scr_cursor (SAVE);
226 226
227#if NSCREENS 227#if NSCREENS
228 swap.flags = Screen_DefaultFlags; 228 swap.flags = Screen_DefaultFlags;
229 swap.cur.row = swap.cur.col = 0; 229 swap.cur.row = swap.cur.col = 0;
230 swap.charset = 0; 230 swap.charset = 0;
231 current_screen = SECONDARY; 231 current_screen = SECONDARY;
232 rxvt_scr_cursor (this, SAVE); 232 scr_cursor (SAVE);
233 current_screen = PRIMARY; 233 current_screen = PRIMARY;
234#endif 234#endif
235 235
236 selection.text = NULL; 236 selection.text = NULL;
237 selection.len = 0; 237 selection.len = 0;
238 selection.op = SELECTION_CLEAR; 238 selection.op = SELECTION_CLEAR;
239 selection.screen = PRIMARY; 239 selection.screen = PRIMARY;
240 selection.clicks = 0; 240 selection.clicks = 0;
241 CLEAR_ALL_SELECTION (this); 241 selection.clip_text = NULL;
242 rvideo = 0; 242 selection.clip_len = 0;
243 } 243 }
244 else 244 else
245 { 245 {
246 /* 246 /*
247 * add or delete rows as appropriate 247 * add or delete rows as appropriate
248 */ 248 */
249 setrstyle = DEFAULT_RSTYLE;
250 249
250 rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
251 rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
252
253#if 0
251 if (nrow < prev_nrow) 254 if (nrow < prev_nrow)
252 { 255 {
253 /* delete rows */
254 k = min (TermWin.nscrolled, prev_nrow - nrow);
255 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
256
257 for (p = nrow; p < prev_nrow; p++) 256 for (int row = nrow; row < prev_nrow; row++)
258 { 257 {
259 q = p + TermWin.saveLines; 258 lfree (swap_buf [row]);
260 if (screen.text[q]) 259 lfree (drawn_buf[row]);
260 }
261 }
262#endif
263
264 drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
265 swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
266
267 for (int row = min (nrow, prev_nrow); row--; )
268 {
269 lresize (drawn_buf[row]);
270 lresize (swap_buf [row]);
271 }
272
273 for (int row = prev_nrow; row < nrow; row++)
274 {
275 swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
276 drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
277 }
278
279 line_t *old_buf = row_buf;
280 row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
281
282 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
283 int pend = MOD (term_start + top_row , prev_total_rows);
284 int q = total_rows; // rewrapped row
285
286 if (top_row)
287 {
288 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
289 // to come up with a lean and mean algorithm.
290 // TODO: maybe optimise when width didn't change
291
292 row_col_t ocur = screen.cur;
293 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
294
295 do
296 {
297 p = MOD (p - 1, prev_total_rows);
298 assert (old_buf [MOD (p, prev_total_rows)].t);
299 int plines = 1;
300 int llen = old_buf [MOD (p, prev_total_rows)].l;
301
302 while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())
261 { 303 {
262#ifdef DEBUG_STRICT 304 p = MOD (p - 1, prev_total_rows);
263 assert (screen.rend[q]); 305
264#endif 306 plines++;
265 talloc->free (screen.text[q]); 307 llen += prev_ncol;
266 ralloc->free (screen.rend[q]);
267 } 308 }
268 if (swap.text[p]) 309
310 int qlines = max (0, (llen - 1) / ncol) + 1;
311
312 // drop partial lines completely
313 if (q < qlines)
314 break;
315
316 q -= qlines;
317
318 int lofs = 0;
319 line_t *qline;
320
321 // re-assemble the full line by destination lines
322 for (int qrow = q; qlines--; qrow++)
269 { 323 {
270#ifdef DEBUG_STRICT 324 qline = row_buf + qrow;
271 assert (swap.rend[p]); 325 lalloc (*qline);
272#endif 326 qline->l = ncol;
273 talloc->free (swap.text[p]); 327 qline->is_longer (1);
274 ralloc->free (swap.rend[p]); 328
329 int qcol = 0;
330
331 // see below for cursor adjustment rationale
332 if (p == ocur.row)
333 screen.cur.row = q - (total_rows - nrow);
334
335 // fill a single destination line
336 while (lofs < llen && qcol < ncol)
337 {
338 int prow = lofs / prev_ncol;
339 int pcol = lofs % prev_ncol;
340
341 prow = MOD (p + prow, prev_total_rows);
342
343 // we only adjust the cursor _row_ and put it into
344 // the topmost line of "long line" it was in, as
345 // this seems to upset applications/shells/readline
346 // least.
347 if (prow == ocur.row)
348 screen.cur.row = q - (total_rows - nrow);
349
350 line_t &pline = old_buf [prow];
351
352 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
353
354 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
355 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
356
357 lofs += len;
358 qcol += len;
359 }
275 } 360 }
276#ifdef DEBUG_STRICT 361
277 assert (drawn_text[p] && drawn_rend[p]); 362 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
278#endif 363 qline->is_longer (0);
279 talloc->free (drawn_text[p]); 364 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
280 ralloc->free (drawn_rend[p]);
281 } 365 }
366 while (p != pend && q > 0);
282 367
283 /* we have fewer rows so fix up cursor position */ 368 term_start = total_rows - nrow;
284 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 369 top_row = q - term_start;
285 MIN_IT (swap.cur.row, (int32_t)nrow - 1);
286 370
287 scr_reset_realloc (); /* realloc _last_ */ 371 // make sure all terminal lines exist
288 } 372 while (top_row > 0)
289 else if (nrow > prev_nrow) 373 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
290 { 374 }
291 /* add rows */ 375 else
292 scr_reset_realloc (); /* realloc _first_ */ 376 {
377 // if no scrollback exists (yet), wing, instead of wrap
293 378
294 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this 379 for (int row = min (nrow, prev_nrow); row--; )
295
296 k = min (TermWin.nscrolled, nrow - prev_nrow);
297
298 for (p = prev_total_rows; p < total_rows; p++)
299 { 380 {
300 screen.tlen[p] = 0; 381 line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)];
301 screen.text[p] = NULL; 382 line_t &qline = row_buf [row];
302 screen.rend[p] = NULL; 383
384 qline = pline;
385 lresize (qline);
303 } 386 }
304 387
305 for (p = prev_total_rows; p < total_rows - k; p++)
306 scr_blank_screen_mem (screen.text, screen.rend, p, setrstyle);
307
308 for (p = prev_nrow; p < nrow; p++) 388 for (int row = prev_nrow; row < nrow; row++)
309 { 389 {
310 swap.tlen[p] = 0; 390 row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
311 swap.text[p] = NULL;
312 swap.rend[p] = NULL;
313 drawn_text[p] = NULL;
314 drawn_rend[p] = NULL;
315 scr_blank_screen_mem (swap.text, swap.rend, p, setrstyle);
316 scr_blank_screen_mem (drawn_text, drawn_rend, p, setrstyle);
317 } 391 }
318 392
319 if (k > 0) 393 term_start = 0;
320 {
321 scr_scroll_text (0, (int)nrow - 1, -k, 1);
322 screen.cur.row += k;
323 screen.s_cur.row += k;
324 TermWin.nscrolled -= k;
325 }
326#ifdef DEBUG_STRICT
327 assert(screen.cur.row < TermWin.nrow);
328 assert(swap.cur.row < TermWin.nrow);
329#else /* drive with your eyes closed */
330
331 MIN_IT(screen.cur.row, nrow - 1);
332 MIN_IT(swap.cur.row, nrow - 1);
333#endif
334 TermWin.ncol = ncol; // save b/c scr_blank_screen_mem uses this
335 }
336
337 /* resize columns */
338 if (ncol != prev_ncol)
339 { 394 }
340 int common = min (prev_ncol, ncol); 395
341 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t)); 396 free (old_buf);
342 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t)); 397 delete old_ta;
398 delete old_ra;
399
400 clamp_it (screen.cur.row, 0, nrow - 1);
401 clamp_it (screen.cur.col, 0, ncol - 1);
343 402 }
344 for (p = 0; p < total_rows; p++)
345 {
346 if (screen.text[p])
347 {
348 text_t *t = (text_t *)ta->alloc (); memcpy (t, screen.text[p], common * sizeof (text_t)); screen.text[p] = t;
349 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, screen.rend[p], common * sizeof (rend_t)); screen.rend[p] = r;
350 403
351 MIN_IT(screen.tlen[p], (int16_t)ncol);
352
353 if (ncol > prev_ncol)
354 scr_blank_line (&(screen.text[p][prev_ncol]),
355 &(screen.rend[p][prev_ncol]),
356 ncol - prev_ncol,
357 setrstyle);
358 }
359 }
360
361 for (p = 0; p < nrow; p++)
362 {
363 text_t *t = (text_t *)ta->alloc (); memcpy (t, drawn_text[p], common * sizeof (text_t)); drawn_text[p] = t;
364 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, drawn_rend[p], common * sizeof (rend_t)); drawn_rend[p] = r;
365
366 if (ncol > prev_ncol)
367 scr_blank_line (&(drawn_text[p][prev_ncol]),
368 &(drawn_rend[p][prev_ncol]),
369 ncol - prev_ncol, setrstyle);
370
371 if (swap.text[p])
372 {
373 text_t *t = (text_t *)ta->alloc (); memcpy (t, swap.text[p], common * sizeof (text_t)); swap.text[p] = t;
374 rend_t *r = (rend_t *)ra->alloc (); memcpy (r, swap.rend[p], common * sizeof (rend_t)); swap.rend[p] = r;
375
376 MIN_IT(swap.tlen[p], (int16_t)ncol);
377
378 if (ncol > prev_ncol)
379 scr_blank_line (&(swap.text[p][prev_ncol]),
380 &(swap.rend[p][prev_ncol]),
381 ncol - prev_ncol, setrstyle);
382 }
383
384 }
385
386 MIN_IT (screen.cur.col, (int16_t)ncol - 1);
387 MIN_IT (swap.cur.col, (int16_t)ncol - 1);
388
389 delete talloc; talloc = ta;
390 delete ralloc; ralloc = ra;
391 }
392
393 if (tabs)
394 free(tabs); 404 free (tabs);
395 } 405 tabs = (char *)rxvt_malloc (ncol);
406
407 for (int col = ncol; col--; )
408 tabs [col] = col % TABSIZE == 0;
409
410 CLEAR_ALL_SELECTION ();
396 411
397 prev_nrow = nrow; 412 prev_nrow = nrow;
398 prev_ncol = ncol; 413 prev_ncol = ncol;
399 414
400 tabs = (char *)rxvt_malloc (ncol * sizeof(char));
401
402 for (p = 0; p < ncol; p++)
403 tabs[p] = (p % TABSIZE == 0) ? 1 : 0;
404
405 tt_winch (); 415 tt_winch ();
406}
407 416
408void 417 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
409rxvt_term::scr_reset_realloc()
410{
411 uint16_t total_rows, nrow;
412
413 nrow = TermWin.nrow;
414 total_rows = nrow + TermWin.saveLines;
415 /* *INDENT-OFF* */
416 screen.text = (text_t **)rxvt_realloc(screen.text, total_rows * sizeof(text_t *));
417 buf_text = (text_t **)rxvt_realloc(buf_text , total_rows * sizeof(text_t *));
418 drawn_text = (text_t **)rxvt_realloc(drawn_text , nrow * sizeof(text_t *));
419 swap.text = (text_t **)rxvt_realloc(swap.text , nrow * sizeof(text_t *));
420
421 screen.tlen = (int16_t *)rxvt_realloc(screen.tlen, total_rows * sizeof(int16_t));
422 swap.tlen = (int16_t *)rxvt_realloc(swap.tlen , total_rows * sizeof(int16_t));
423
424 screen.rend = (rend_t **)rxvt_realloc(screen.rend, total_rows * sizeof(rend_t *));
425 buf_rend = (rend_t **)rxvt_realloc(buf_rend , total_rows * sizeof(rend_t *));
426 drawn_rend = (rend_t **)rxvt_realloc(drawn_rend , nrow * sizeof(rend_t *));
427 swap.rend = (rend_t **)rxvt_realloc(swap.rend , nrow * sizeof(rend_t *));
428 /* *INDENT-ON* */
429} 418}
430 419
431/* ------------------------------------------------------------------------- */ 420/* ------------------------------------------------------------------------- */
432/* 421/*
433 * Free everything. That way malloc debugging can find leakage. 422 * Free everything. That way malloc debugging can find leakage.
434 */ 423 */
435void 424void
436rxvt_term::scr_release() 425rxvt_term::scr_release () NOTHROW
437{ 426{
438 uint16_t total_rows; 427 if (row_buf)
439 int i;
440
441 total_rows = TermWin.nrow + TermWin.saveLines;
442
443#ifdef DEBUG_STRICT
444 for (i = 0; i < total_rows; i++)
445 {
446 if (screen.text[i])
447 /* then so is screen.rend[i] */
448 assert(screen.rend[i]);
449 } 428 {
450#endif 429 delete talloc; talloc = 0;
430 delete ralloc; ralloc = 0;
451 431
452 delete talloc; 432 free (row_buf);
453 delete ralloc; 433 free (swap_buf);
434 free (drawn_buf);
435 row_buf = 0; // signal that we freed all the arrays above
454 436
455 free (screen.text);
456 free (screen.tlen);
457 free (screen.rend);
458 free (drawn_text);
459 free (drawn_rend);
460 free (swap.text);
461 free (swap.tlen);
462 free (swap.rend);
463 free (buf_text);
464 free (buf_rend);
465 free (tabs); 437 free (tabs);
466 438 tabs = 0;
467 /* NULL these so if anything tries to use them, we'll know about it */ 439 }
468 screen.text = drawn_text = swap.text = NULL;
469 screen.rend = drawn_rend = swap.rend = NULL;
470 screen.tlen = swap.tlen = NULL;
471 buf_text = NULL;
472 buf_rend = NULL;
473 tabs = NULL;
474} 440}
475 441
476/* ------------------------------------------------------------------------- */ 442/* ------------------------------------------------------------------------- */
477/* 443/*
478 * Hard reset 444 * Hard/Soft reset
479 */ 445 */
480/* EXTPROTO */
481void 446void
482rxvt_scr_poweron(pR) 447rxvt_term::scr_poweron ()
483{ 448{
484 D_SCREEN((stderr, "rxvt_scr_poweron()"));
485
486 R->scr_release (); 449 scr_release ();
487 R->prev_nrow = R->prev_ncol = 0; 450 prev_nrow = prev_ncol = 0;
451 rvideo_mode = false;
452 scr_soft_reset ();
488 R->scr_reset (); 453 scr_reset ();
489 454
490 R->scr_clear (); 455 scr_clear (true);
491 R->scr_refresh (SLOW_REFRESH); 456 scr_refresh ();
492#ifdef RXVT_GRAPHICS 457}
493 rxvt_Gr_reset (aR); 458
459void
460rxvt_term::scr_soft_reset ()
461{
462 /* only affects modes, nothing drastic such as clearing the screen */
463#if ENABLE_OVERLAY
464 scr_overlay_off ();
494#endif 465#endif
466
467 if (current_screen != PRIMARY)
468 scr_swap_screen ();
469
470 scr_scroll_region (0, MAX_ROWS - 1);
471 scr_rendition (0, ~RS_None);
472 scr_insert_mode (0);
495} 473}
496 474
497/* ------------------------------------------------------------------------- * 475/* ------------------------------------------------------------------------- *
498 * PROCESS SCREEN COMMANDS * 476 * PROCESS SCREEN COMMANDS *
499 * ------------------------------------------------------------------------- */ 477 * ------------------------------------------------------------------------- */
500/* 478/*
501 * Save and Restore cursor 479 * Save and Restore cursor
502 * XTERM_SEQ: Save cursor : ESC 7 480 * XTERM_SEQ: Save cursor : ESC 7
503 * XTERM_SEQ: Restore cursor: ESC 8 481 * XTERM_SEQ: Restore cursor: ESC 8
504 */ 482 */
505/* EXTPROTO */
506void 483void
507rxvt_scr_cursor(pR_ int mode) 484rxvt_term::scr_cursor (cursor_mode mode) NOTHROW
508{ 485{
509 screen_t *s; 486 screen_t *s;
510
511 D_SCREEN((stderr, "rxvt_scr_cursor(%c)", mode));
512 487
513#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 488#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
514 if (R->current_screen == SECONDARY) 489 if (current_screen == SECONDARY)
515 s = &(R->swap); 490 s = &swap;
516 else 491 else
517#endif 492#endif
518 s = &(R->screen); 493 s = &screen;
494
519 switch (mode) { 495 switch (mode)
496 {
520 case SAVE: 497 case SAVE:
521 s->s_cur.row = s->cur.row; 498 s->s_cur.row = screen.cur.row;
522 s->s_cur.col = s->cur.col; 499 s->s_cur.col = screen.cur.col;
523 s->s_rstyle = R->rstyle; 500 s->s_rstyle = rstyle;
524 s->s_charset = s->charset; 501 s->s_charset = screen.charset;
525 s->s_charset_char = R->charsets[s->charset]; 502 s->s_charset_char = charsets[screen.charset];
526 break; 503 break;
504
527 case RESTORE: 505 case RESTORE:
528 R->want_refresh = 1; 506 want_refresh = 1;
529 s->cur.row = s->s_cur.row; 507 screen.cur.row = s->s_cur.row;
530 s->cur.col = s->s_cur.col; 508 screen.cur.col = s->s_cur.col;
531 s->flags &= ~Screen_WrapNext; 509 screen.flags &= ~Screen_WrapNext;
532 R->rstyle = s->s_rstyle; 510 rstyle = s->s_rstyle;
533 s->charset = s->s_charset; 511 screen.charset = s->s_charset;
534 R->charsets[s->charset] = s->s_charset_char; 512 charsets[screen.charset] = s->s_charset_char;
535 rxvt_set_font_style(aR); 513 set_font_style ();
536 break; 514 break;
537 } 515 }
516
538/* boundary check in case screen size changed between SAVE and RESTORE */ 517 /* boundary check in case screen size changed between SAVE and RESTORE */
539 MIN_IT(s->cur.row, R->TermWin.nrow - 1); 518 min_it (s->cur.row, nrow - 1);
540 MIN_IT(s->cur.col, R->TermWin.ncol - 1); 519 min_it (s->cur.col, ncol - 1);
541#ifdef DEBUG_STRICT
542 assert(s->cur.row >= 0); 520 assert (s->cur.row >= 0);
543 assert(s->cur.col >= 0); 521 assert (s->cur.col >= 0);
544#else /* drive with your eyes closed */ 522}
545 MAX_IT(s->cur.row, 0); 523
546 MAX_IT(s->cur.col, 0); 524void
547#endif 525rxvt_term::scr_swap_screen ()
526{
527 if (!option (Opt_secondaryScreen))
528 return;
529
530 for (int i = prev_nrow; i--; )
531 ::swap (ROW(i), swap_buf [i]);
532
533 ::swap (screen.cur, swap.cur);
534
535 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
536 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
548} 537}
549 538
550/* ------------------------------------------------------------------------- */ 539/* ------------------------------------------------------------------------- */
551/* 540/*
552 * Swap between primary and secondary screens 541 * Swap between primary and secondary screens
553 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 542 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
554 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 543 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
555 */ 544 */
556/* EXTPROTO */ 545void
557int
558rxvt_scr_change_screen(pR_ int scrn) 546rxvt_term::scr_change_screen (int scrn)
559{ 547{
560 int i; 548 if (scrn == current_screen)
549 return;
550
551 want_refresh = 1;
552 view_start = 0;
553
554 selection_check (2); /* check for boundary cross */
555
556 current_screen = scrn;
557
561#if NSCREENS 558#if NSCREENS
562 int offset; 559 if (option (Opt_secondaryScreen))
563#endif 560 {
564
565 R->want_refresh = 1;
566
567 D_SCREEN((stderr, "rxvt_scr_change_screen(%d)", scrn));
568
569 R->TermWin.view_start = 0;
570
571 if (R->current_screen == scrn)
572 return R->current_screen;
573
574 rxvt_selection_check(aR_ 2); /* check for boundary cross */
575
576 SWAP_IT(R->current_screen, scrn, int);
577#if NSCREENS
578 R->num_scr = 0; 561 num_scr = 0;
579 offset = R->TermWin.saveLines; 562
580 for (i = R->prev_nrow; i--;) { 563 scr_swap_screen ();
581 SWAP_IT(R->screen.text[i + offset], R->swap.text[i], text_t *); 564
582 SWAP_IT(R->screen.tlen[i + offset], R->swap.tlen[i], int16_t); 565 ::swap (screen.charset, swap.charset);
583 SWAP_IT(R->screen.rend[i + offset], R->swap.rend[i], rend_t *); 566 ::swap (screen.flags, swap.flags);
584 }
585 SWAP_IT(R->screen.cur.row, R->swap.cur.row, int16_t);
586 SWAP_IT(R->screen.cur.col, R->swap.cur.col, int16_t);
587# ifdef DEBUG_STRICT
588 assert((R->screen.cur.row >= 0) && (R->screen.cur.row < R->prev_nrow));
589 assert((R->screen.cur.col >= 0) && (R->screen.cur.col < R->prev_ncol));
590# else /* drive with your eyes closed */
591 MAX_IT(R->screen.cur.row, 0);
592 MIN_IT(R->screen.cur.row, (int32_t)R->prev_nrow - 1);
593 MAX_IT(R->screen.cur.col, 0);
594 MIN_IT(R->screen.cur.col, (int32_t)R->prev_ncol - 1);
595# endif
596 SWAP_IT(R->screen.charset, R->swap.charset, int16_t);
597 SWAP_IT(R->screen.flags, R->swap.flags, int);
598 R->screen.flags |= Screen_VisibleCursor; 567 screen.flags |= Screen_VisibleCursor;
599 R->swap.flags |= Screen_VisibleCursor; 568 swap.flags |= Screen_VisibleCursor;
600
601# ifdef RXVT_GRAPHICS
602
603 if (rxvt_Gr_Displayed(aR)) {
604 rxvt_Gr_scroll(aR_ 0);
605 rxvt_Gr_ChangeScreen(aR);
606 } 569 }
570 else
607# endif 571#endif
608#else 572 if (option (Opt_secondaryScroll))
609# ifdef SCROLL_ON_NO_SECONDARY
610# ifdef RXVT_GRAPHICS
611 if (rxvt_Gr_Displayed(aR))
612 rxvt_Gr_ClearScreen(aR);
613# endif
614 if (R->current_screen == PRIMARY
615# ifdef RXVT_GRAPHICS
616 && !rxvt_Gr_Displayed(aR)
617# endif
618 )
619 R->scr_scroll_text(0, (R->prev_nrow - 1), R->prev_nrow, 0); 573 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
620# endif 574}
621#endif 575
576// clear WrapNext indicator, solidifying position on next line
577void
578rxvt_term::scr_do_wrap () NOTHROW
579{
580 if (!(screen.flags & Screen_WrapNext))
622 return scrn; 581 return;
582
583 screen.flags &= ~Screen_WrapNext;
584
585 screen.cur.col = 0;
586
587 if (screen.cur.row == screen.bscroll)
588 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
589 else if (screen.cur.row < nrow - 1)
590 screen.cur.row++;
623} 591}
624 592
625/* ------------------------------------------------------------------------- */ 593/* ------------------------------------------------------------------------- */
626/* 594/*
627 * Change the colour for following text 595 * Change the colour for following text
628 */ 596 */
629/* EXTPROTO */
630void 597void
631rxvt_scr_color(pR_ unsigned int color, int fgbg) 598rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW
632{ 599{
600 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
633 color &= RS_fgMask; 601 color = fgbg;
602
634 if (fgbg == Color_fg) 603 if (fgbg == Color_fg)
635 R->rstyle = SET_FGCOLOR(R->rstyle, color); 604 rstyle = SET_FGCOLOR (rstyle, color);
636 else 605 else
637 R->rstyle = SET_BGCOLOR(R->rstyle, color); 606 rstyle = SET_BGCOLOR (rstyle, color);
638} 607}
639 608
640/* ------------------------------------------------------------------------- */ 609/* ------------------------------------------------------------------------- */
641/* 610/*
642 * Change the rendition style for following text 611 * Change the rendition style for following text
643 */ 612 */
644/* EXTPROTO */
645void 613void
646rxvt_scr_rendition(pR_ int set, int style) 614rxvt_term::scr_rendition (int set, int style) NOTHROW
647{ 615{
648 if (set) 616 if (set)
649 R->rstyle |= style; 617 rstyle |= style;
650 else if (style == ~RS_None) 618 else if (style == ~RS_None)
651 R->rstyle = DEFAULT_RSTYLE; 619 rstyle = DEFAULT_RSTYLE;
652 else 620 else
653 R->rstyle &= ~style; 621 rstyle &= ~style;
654} 622}
655 623
656/* ------------------------------------------------------------------------- */ 624/* ------------------------------------------------------------------------- */
657/* 625/*
658 * Scroll text between <row1> and <row2> inclusive, by <count> lines 626 * Scroll text between <row1> and <row2> inclusive, by <count> lines
659 * count positive ==> scroll up 627 * count positive ==> scroll up
660 * count negative ==> scroll down 628 * count negative ==> scroll down
661 * spec == 0 for normal routines
662 */ 629 */
663int 630int
664rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) 631rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
665{ 632{
666 int i, j;
667 long nscrolled;
668
669 if (count == 0 || (row1 > row2)) 633 if (count == 0 || (row1 > row2))
670 return 0; 634 return 0;
671 635
672 want_refresh = 1; 636 want_refresh = 1;
673 D_SCREEN((stderr, "rxvt_scroll_text(%d,%d,%d,%d): %s", row1, row2, count, spec, (current_screen == PRIMARY) ? "Primary" : "Secondary")); 637 num_scr += count;
674 638
675 if ((count > 0) && (row1 == 0) && (current_screen == PRIMARY)) 639 if (count > 0
640 && row1 == 0
641 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
642 {
643 min_it (count, total_rows - (nrow - (row2 + 1)));
644
645 top_row = max (top_row - count, -saveLines);
646
647 // sever bottommost line
676 { 648 {
677 nscrolled = (long)TermWin.nscrolled + (long)count; 649 line_t &l = ROW(row2 - 1);
678 650 l.is_longer (0);
679 if (nscrolled > (long)TermWin.saveLines) 651 l.touch ();
680 TermWin.nscrolled = TermWin.saveLines;
681 else
682 TermWin.nscrolled = (uint16_t)nscrolled;
683
684 if ((Options & Opt_scrollWithBuffer)
685 && TermWin.view_start != 0
686 && TermWin.view_start != TermWin.saveLines)
687 rxvt_scr_page (this, UP, count);
688 } 652 }
689 else if (!spec)
690 row1 += TermWin.saveLines;
691 653
692 row2 += TermWin.saveLines; 654 // scroll everything up 'count' lines
655 term_start = (term_start + count) % total_rows;
693 656
657 // now copy lines below the scroll region bottom to the
658 // bottom of the screen again, so they look as if they
659 // hadn't moved.
660 for (int i = nrow; --i > row2; )
661 {
662 line_t &l1 = ROW(i - count);
663 line_t &l2 = ROW(i);
664
665 ::swap (l1, l2);
666 l2.touch ();
667 }
668
669 // erase newly scrolled-in lines
670 for (int i = count; i--; )
671 {
672 line_t &l = ROW(row2 - i);
673
674 // optimise if already cleared, can be significant on slow machines
675 // could be rolled into scr_blank_screen_mem
676 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
677 {
678 scr_blank_line (l, 0, l.l, rstyle);
679 l.l = 0;
680 l.f = 0;
681 }
682 else
683 scr_blank_screen_mem (l, rstyle);
684 }
685
686 // move and/or clear selection, if any
694 if (selection.op && current_screen == selection.screen) 687 if (selection.op && current_screen == selection.screen)
695 {
696 i = selection.beg.row + TermWin.saveLines;
697 j = selection.end.row + TermWin.saveLines;
698 if ((i < row1 && j > row1)
699 || (i < row2 && j > row2)
700 || (i - count < row1 && i >= row1)
701 || (i - count > row2 && i <= row2)
702 || (j - count < row1 && j >= row1)
703 || (j - count > row2 && j <= row2))
704 {
705 CLEAR_ALL_SELECTION (this);
706 selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */
707 } 688 {
708 else if (j >= row1 && j <= row2)
709 {
710 /* move selected region too */
711 selection.beg.row -= count; 689 selection.beg.row -= count;
712 selection.end.row -= count; 690 selection.end.row -= count;
713 selection.mark.row -= count; 691 selection.mark.row -= count;
692
693 if (selection.beg.row < top_row
694 || selection.end.row < top_row
695 || selection.mark.row < top_row)
696 {
697 CLEAR_ALL_SELECTION ();
698 selection.op = SELECTION_CLEAR;
714 } 699 }
715 }
716
717 rxvt_selection_check (this, 0); /* _after_ TermWin.nscrolled update */
718
719 num_scr += count;
720 j = count;
721
722 if (count < 0)
723 count = -count;
724
725 i = row2 - row1 + 1;
726 MIN_IT(count, i);
727
728 if (j > 0)
729 {
730 /* A: scroll up */
731
732 /* A1: Copy lines that will get clobbered by the rotation */
733 for (i = 0, j = row1; i < count; i++, j++)
734 { 700 }
735 buf_text[i] = screen.text[j]; 701
736 buf_rend[i] = screen.rend[j]; 702 // finally move the view window, if desired
703 if (option (Opt_scrollWithBuffer)
704 && view_start != 0
705 && view_start != -saveLines)
706 scr_page (UP, count);
707
708 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
709 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
710 }
711 else
712 {
713 if (selection.op && current_screen == selection.screen)
737 } 714 {
738 /* A2: Rotate lines */ 715 if ((selection.beg.row < row1 && selection.end.row > row1)
739 for (j = row1, i = j + count; i <= row2; i++, j++) 716 || (selection.beg.row < row2 && selection.end.row > row2)
717 || (selection.beg.row - count < row1 && selection.beg.row >= row1)
718 || (selection.beg.row - count > row2 && selection.beg.row <= row2)
719 || (selection.end.row - count < row1 && selection.end.row >= row1)
720 || (selection.end.row - count > row2 && selection.end.row <= row2))
721 {
722 CLEAR_ALL_SELECTION ();
723 selection.op = SELECTION_CLEAR;
724 }
725 else if (selection.end.row >= row1 && selection.end.row <= row2)
726 {
727 /* move selected region too */
728 selection.beg.row -= count;
729 selection.end.row -= count;
730 selection.mark.row -= count;
731
732 selection_check (0);
733 }
740 { 734 }
741 screen.tlen[j] = screen.tlen[i]; 735
742 screen.text[j] = screen.text[i]; 736 // use a simple and robust scrolling algorithm, this
743 screen.rend[j] = screen.rend[i]; 737 // part of scr_scroll_text is not time-critical.
738
739 // sever line above scroll region
740 if (row1)
744 } 741 {
745 j = row2 - count + 1, i = count; 742 line_t &l = ROW(row1 - 1);
746 } 743 l.is_longer (0);
747 else /* if (j < 0) */ 744 l.touch ();
748 {
749 /* B: scroll down */
750
751 /* B1: Copy lines that will get clobbered by the rotation */
752 for (i = 0, j = row2; i < count; i++, j--)
753 { 745 }
754 buf_text[i] = screen.text[j]; 746
755 buf_rend[i] = screen.rend[j]; 747 int rows = row2 - row1 + 1;
748
749 min_it (count, rows);
750
751 line_t *temp_buf = row_buf + total_rows;
752
753 for (int row = 0; row < rows; row++)
756 } 754 {
757 /* B2: Rotate lines */ 755 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
758 for (j = row2, i = j - count; i >= row1; i--, j--) 756
757 if (!IN_RANGE_EXC (row + count, 0, rows))
758 scr_blank_screen_mem (temp_buf [row], rstyle);
759 { 759 }
760 screen.tlen[j] = screen.tlen[i]; 760
761 screen.text[j] = screen.text[i]; 761 for (int row = 0; row < rows; row++)
762 screen.rend[j] = screen.rend[i]; 762 ROW(row1 + row) = temp_buf [row];
763
764 // sever bottommost line
765 {
766 line_t &l = ROW(row2 - 1);
767 l.is_longer (0);
768 l.touch ();
763 } 769 }
764 j = row1, i = count;
765 count = -count;
766 }
767 770
768 /* C: Resurrect lines */
769 for (; i--; j++)
770 { 771 }
771 screen.tlen[j] = 0;
772 screen.text[j] = buf_text[i];
773 screen.rend[j] = buf_rend[i];
774
775 if (!spec) /* line length may not equal TermWin.ncol */
776 scr_blank_screen_mem (screen.text, screen.rend,
777 (unsigned int)j, rstyle);
778 }
779
780#ifdef RXVT_GRAPHICS
781 if (rxvt_Gr_Displayed (this))
782 rxvt_Gr_scroll(this, count);
783#endif
784 772
785 return count; 773 return count;
786} 774}
787 775
788/* ------------------------------------------------------------------------- */ 776/* ------------------------------------------------------------------------- */
789/* 777/*
790 * Add text given in <str> of length <len> to screen struct 778 * Add text given in <str> of length <len> to screen struct
791 */ 779 */
792/* EXTPROTO */
793void 780void
794rxvt_scr_add_lines(pR_ const uint32_t *str, int nlines, int len) 781rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
795{ 782{
796 unsigned char checksel, clearsel;
797 uint32_t c;
798 int i, row, last_col;
799 text_t *stp;
800 rend_t *srp;
801
802 if (len <= 0) /* sanity */ 783 if (len <= 0) /* sanity */
803 return; 784 return;
804 785
786 unsigned char checksel;
787 unicode_t c;
788 int ncol = this->ncol;
789 const wchar_t *strend = str + len;
790
805 R->want_refresh = 1; 791 want_refresh = 1;
806 last_col = R->TermWin.ncol;
807
808 D_SCREEN((stderr, "rxvt_scr_add_lines(%d,%d)", nlines, len));
809 ZERO_SCROLLBACK(R); 792 ZERO_SCROLLBACK ();
793
810 if (nlines > 0) { 794 if (minlines > 0)
795 {
811 nlines += (R->screen.cur.row - R->screen.bscroll); 796 minlines += screen.cur.row - screen.bscroll;
797 min_it (minlines, screen.cur.row - top_row);
798
812 if ((nlines > 0) 799 if (minlines > 0
813 && (R->screen.tscroll == 0) 800 && screen.tscroll == 0
814 && (R->screen.bscroll == (R->TermWin.nrow - 1))) { 801 && screen.bscroll == nrow - 1)
802 {
815 /* _at least_ this many lines need to be scrolled */ 803 /* _at least_ this many lines need to be scrolled */
816 R->scr_scroll_text(R->screen.tscroll, R->screen.bscroll, nlines, 0); 804 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
817 R->screen.cur.row -= nlines; 805 screen.cur.row -= minlines;
818 } 806 }
819 } 807 }
820#ifdef DEBUG_STRICT 808
821 assert(R->screen.cur.col < last_col); 809 assert (screen.cur.col < ncol);
822 assert((R->screen.cur.row < R->TermWin.nrow) 810 assert (screen.cur.row < nrow
823 && (R->screen.cur.row >= -(int32_t)R->TermWin.nscrolled)); 811 && screen.cur.row >= top_row);
824#else /* drive with your eyes closed */ 812 int row = screen.cur.row;
825 MIN_IT(R->screen.cur.col, last_col - 1);
826 MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1);
827 MAX_IT(R->screen.cur.row, -(int32_t)R->TermWin.nscrolled);
828#endif
829 row = R->screen.cur.row + R->TermWin.saveLines;
830 813
831 checksel = (R->selection.op 814 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
832 && R->current_screen == R->selection.screen) ? 1 : 0;
833 clearsel = 0;
834 815
835 stp = R->screen.text[row]; 816 line_t *line = &ROW(row);
836 srp = R->screen.rend[row];
837 817
838 for (i = 0; i < len;) { 818 while (str < strend)
839 c = str[i++]; 819 {
840 switch (c) { 820 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
841 case '\t': 821
842 rxvt_scr_tab (aR_ 1); 822 if (ecb_unlikely (c < 0x20))
823 if (c == C0_LF)
824 {
825 max_it (line->l, screen.cur.col);
826
827 screen.flags &= ~Screen_WrapNext;
828
829 if (screen.cur.row == screen.bscroll)
830 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
831 else if (screen.cur.row < (nrow - 1))
832 row = ++screen.cur.row;
833
834 line = &ROW(row); /* _must_ refresh */
843 continue; 835 continue;
844 case '\n': 836 }
845 if (R->screen.tlen[row] != -1) /* XXX: think about this */ 837 else if (c == C0_CR)
846 MAX_IT(R->screen.tlen[row], R->screen.cur.col); 838 {
839 max_it (line->l, screen.cur.col);
840
847 R->screen.flags &= ~Screen_WrapNext; 841 screen.flags &= ~Screen_WrapNext;
848 if (R->screen.cur.row == R->screen.bscroll) 842 screen.cur.col = 0;
849 R->scr_scroll_text (R->screen.tscroll, R->screen.bscroll, 1, 0);
850 else if (R->screen.cur.row < (R->TermWin.nrow - 1))
851 row = (++R->screen.cur.row) + R->TermWin.saveLines;
852 stp = R->screen.text[row]; /* _must_ refresh */
853 srp = R->screen.rend[row]; /* _must_ refresh */
854 continue; 843 continue;
855 case '\r': 844 }
856 if (R->screen.tlen[row] != -1) /* XXX: think about this */ 845 else if (c == C0_HT)
857 MAX_IT(R->screen.tlen[row], R->screen.cur.col); 846 {
858 R->screen.flags &= ~Screen_WrapNext; 847 scr_tab (1, true);
859 R->screen.cur.col = 0;
860 continue; 848 continue;
861 default:
862 if (c == 127)
863 continue; /* yummmm..... */
864 break;
865 } 849 }
866 850
851 if (ecb_unlikely (
867 if (checksel /* see if we're writing within selection */ 852 checksel /* see if we're writing within selection */
868 && !ROWCOL_IS_BEFORE(R->screen.cur, R->selection.beg) 853 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
869 && ROWCOL_IS_BEFORE(R->screen.cur, R->selection.end)) { 854 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
855 ))
856 {
870 checksel = 0; 857 checksel = 0;
871 clearsel = 1; 858 /*
859 * If we wrote anywhere in the selected area, kill the selection
860 * XXX: should we kill the mark too? Possibly, but maybe that
861 * should be a similar check.
862 */
863 CLEAR_SELECTION ();
864 }
865
866 if (ecb_unlikely (screen.flags & Screen_WrapNext))
872 } 867 {
873 if (R->screen.flags & Screen_WrapNext) { 868 scr_do_wrap ();
874 R->screen.tlen[row] = -1; 869
875 if (R->screen.cur.row == R->screen.bscroll) 870 line->l = ncol;
876 R->scr_scroll_text(R->screen.tscroll, R->screen.bscroll, 1, 0); 871 line->is_longer (1);
877 else if (R->screen.cur.row < (R->TermWin.nrow - 1)) 872
878 row = (++R->screen.cur.row) + R->TermWin.saveLines; 873 row = screen.cur.row;
879 stp = R->screen.text[row]; /* _must_ refresh */ 874 line = &ROW(row); /* _must_ refresh */
880 srp = R->screen.rend[row]; /* _must_ refresh */ 875 }
881 R->screen.cur.col = 0; 876
882 R->screen.flags &= ~Screen_WrapNext; 877 // some utf-8 decoders "decode" surrogate characters: let's fix this.
878 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
879 c = 0xfffd;
880
881 // rely on wcwidth to tell us the character width, do wcwidth before
882 // further replacements, as wcwidth might return -1 for the line
883 // drawing characters below as they might be invalid in the current
884 // locale.
885 int width = WCWIDTH (c);
886
887 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
883 } 888 {
884 if (R->screen.flags & Screen_Insert) 889 // vt100 special graphics and line drawing
885 rxvt_scr_insdel_chars(aR_ 1, INSERT); 890 // 5f-7e standard vt100
891 // 40-5e rxvt extension for extra curses acs chars
892 static uint16_t vt100_0[62] = { // 41 .. 7e
893 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman!
894 0, 0, 0, 0, 0, 0, 0, 0, // 48-4f
895 0, 0, 0, 0, 0, 0, 0, 0, // 50-57
896 0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f
897 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
898 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
899 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
900 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
901 };
886 902
887 if (R->charsets[R->screen.charset] == '0') // DEC SPECIAL 903 if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41])
888 switch (c)
889 { 904 {
890 case '+': c = 0x2192; break; case ',': c = 0x2190; break; case '-': c = 0x2191; break; 905 c = vt100_0[c - 0x41];
891 case '.': c = 0x2193; break; case '0': c = 0x25ae; break; case '`': c = 0x25c6; break; 906 width = 1; // vt100 line drawing characters are always single-width
892 case 'a': c = 0x2592; break; case 'f': c = 0x00b0; break; case 'g': c = 0x00b1; break;
893 case 'h': c = 0x2592; break; case 'i': c = 0x2603; break; case 'j': c = 0x2518; break;
894 case 'k': c = 0x2510; break; case 'l': c = 0x250c; break; case 'm': c = 0x2514; break;
895 case 'n': c = 0x253c; break; case 'o': c = 0x23ba; break; case 'p': c = 0x23bb; break;
896 case 'q': c = 0x2500; break; case 'r': c = 0x23bc; break; case 's': c = 0x23bd; break;
897 case 't': c = 0x251c; break; case 'u': c = 0x2524; break; case 'v': c = 0x2534; break;
898 case 'w': c = 0x252c; break; case 'x': c = 0x2502; break; case 'y': c = 0x2264; break;
899 case 'z': c = 0x2265; break; case '{': c = 0x03c0; break; case '|': c = 0x2260; break;
900 case '}': c = 0x00a3; break; case '~': c = 0x00b7; break;
901 } 907 }
908 }
902 909
903 rend_t rend = SET_FONT (R->rstyle, R->TermWin.fontset->find_font (c)); 910 if (ecb_unlikely (screen.flags & Screen_Insert))
911 scr_insdel_chars (width, INSERT);
904 912
905 stp[R->screen.cur.col] = c; 913 if (width != 0)
906 srp[R->screen.cur.col] = rend;
907
908 if (c > 255)
909 { 914 {
910 // rely on wcwidth to tell us the character width, at least for non iso-8859-1 915#if !UNICODE_3
911 int width = wcwidth (c); 916 // trim characters we can't store directly :(
917 if (c >= 0x10000)
918# if ENABLE_COMBINING
919 c = rxvt_composite.compose (c); // map to lower 16 bits
920# else
921 c = 0xfffd;
922# endif
923#endif
924
925 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
926
927 // if the character doesn't fit into the remaining columns...
928 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
912 929 {
913 if (width > 1)
914 {
915 while (--width > 0 && R->screen.cur.col < last_col - 1)
916 {
917
918 srp[R->screen.cur.col] |= RS_wide;
919
920 R->screen.cur.col++;
921 stp[R->screen.cur.col] = NOCHAR;
922 srp[R->screen.cur.col] = rend;
923 }
924 }
925 }
926
927 if (R->screen.cur.col < last_col - 1)
928 R->screen.cur.col++;
929 else {
930 R->screen.tlen[row] = last_col;
931 if (R->screen.flags & Screen_Autowrap) 930 if (screen.flags & Screen_Autowrap)
931 {
932 // ... artificially enlargen the previous one
933 c = NOCHAR;
934 // and try the same character next loop iteration
935 --str;
936 }
937 else
938 screen.cur.col = ncol - width;
939 }
940
941 // nuke the character at this position, if required
942 // due to wonderful coincidences everywhere else in this loop
943 // we never have to check for overwriting a wide char itself,
944 // only its tail.
945 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
946 scr_kill_char (*line, screen.cur.col);
947
948 line->touch ();
949
950 do
951 {
952 line->t[screen.cur.col] = c;
953 line->r[screen.cur.col] = rend;
954
955 if (ecb_likely (screen.cur.col < ncol - 1))
956 screen.cur.col++;
957 else
958 {
959 line->l = ncol;
960 if (screen.flags & Screen_Autowrap)
932 R->screen.flags |= Screen_WrapNext; 961 screen.flags |= Screen_WrapNext;
962
963 goto end_of_line;
964 }
965
966 c = NOCHAR;
967 }
968 while (ecb_unlikely (--width > 0));
969
970 // pad with spaces when overwriting wide character with smaller one
971 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
972 {
973 line->t[c] = ' ';
974 line->r[c] = rend;
975 }
976
977end_of_line:
978 ;
979 }
980#if ENABLE_COMBINING
981 else // width == 0
933 } 982 {
934 } 983 if (c != 0xfeff) // ignore BOM
935 if (R->screen.tlen[row] != -1) /* XXX: think about this */ 984 {
936 MAX_IT(R->screen.tlen[row], R->screen.cur.col); 985 // handle combining characters
986 // we just tag the accent on the previous on-screen character.
987 // this is arguably not correct, but also arguably not wrong.
988 // we don't handle double-width characters nicely yet.
989 line_t *linep;
990 text_t *tp;
991 rend_t *rp;
937 992
938/* 993 if (screen.cur.col > 0)
939 * If we wrote anywhere in the selected area, kill the selection 994 {
940 * XXX: should we kill the mark too? Possibly, but maybe that 995 linep = line;
941 * should be a similar check. 996 tp = line->t + screen.cur.col - 1;
942 */ 997 rp = line->r + screen.cur.col - 1;
943 if (clearsel) 998 }
944 CLEAR_SELECTION(R); 999 else if (screen.cur.row > 0
1000 && ROW(screen.cur.row - 1).is_longer ())
1001 {
1002 linep = &ROW(screen.cur.row - 1);
1003 tp = line->t + ncol - 1;
1004 rp = line->r + ncol - 1;
1005 }
1006 else
1007 continue;
945 1008
946#ifdef DEBUG_STRICT 1009 linep->touch ();
1010
1011 while (*tp == NOCHAR && tp > linep->t)
1012 tp--, rp--;
1013
1014 // first try to find a precomposed character
1015 unicode_t n = rxvt_compose (*tp, c);
1016 if (n == NOCHAR)
1017 n = rxvt_composite.compose (*tp, c);
1018
1019 *tp = n;
1020 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
1021 }
1022 }
1023#endif
1024 }
1025
1026 max_it (line->l, screen.cur.col);
1027
947 assert(R->screen.cur.row >= 0); 1028 assert (screen.cur.row >= 0);
948#else /* drive with your eyes closed */
949 MAX_IT(R->screen.cur.row, 0);
950#endif
951} 1029}
952 1030
953/* ------------------------------------------------------------------------- */ 1031/* ------------------------------------------------------------------------- */
954/* 1032/*
955 * Process Backspace. Move back the cursor back a position, wrap if have to 1033 * Process Backspace. Move back the cursor back a position, wrap if have to
956 * XTERM_SEQ: CTRL-H 1034 * XTERM_SEQ: CTRL-H
957 */ 1035 */
958/* EXTPROTO */
959void 1036void
960rxvt_scr_backspace(pR) 1037rxvt_term::scr_backspace () NOTHROW
961{ 1038{
962 R->want_refresh = 1;
963 if (R->screen.cur.col == 0) { 1039 if (screen.cur.col == 0)
1040 {
964 if (R->screen.cur.row > 0) { 1041 if (screen.cur.row > 0)
1042 {
965#ifdef TERMCAP_HAS_BW 1043#ifdef TERMCAP_HAS_BW
966 R->screen.cur.col = R->TermWin.ncol - 1; 1044 screen.cur.col = ncol - 1;
967 R->screen.cur.row--; 1045 --screen.cur.row;
968 return; 1046
1047 want_refresh = 1;
969#endif 1048#endif
970 } 1049 }
1050 }
971 } else if ((R->screen.flags & Screen_WrapNext) == 0) 1051 else if (screen.flags & Screen_WrapNext)
972 rxvt_scr_gotorc(aR_ 0, -1, RELATIVE);
973 R->screen.flags &= ~Screen_WrapNext; 1052 screen.flags &= ~Screen_WrapNext;
1053 else
1054 scr_gotorc (0, -1, RELATIVE);
974} 1055}
975 1056
976/* ------------------------------------------------------------------------- */ 1057/* ------------------------------------------------------------------------- */
977/* 1058/*
978 * Process Horizontal Tab 1059 * Process Horizontal Tab
979 * count: +ve = forward; -ve = backwards 1060 * count: +ve = forward; -ve = backwards
980 * XTERM_SEQ: CTRL-I 1061 * XTERM_SEQ: CTRL-I
981 */ 1062 */
982/* EXTPROTO */
983void 1063void
984rxvt_scr_tab(pR_ int count) 1064rxvt_term::scr_tab (int count, bool ht) NOTHROW
985{ 1065{
986 int i, x; 1066 int i, x;
987 1067
988 D_SCREEN((stderr, "rxvt_scr_tab(%d)", count));
989 R->want_refresh = 1; 1068 want_refresh = 1;
990 i = x = R->screen.cur.col; 1069 i = x = screen.cur.col;
1070
991 if (count == 0) 1071 if (count == 0)
992 return; 1072 return;
993 else if (count > 0) { 1073 else if (count > 0)
1074 {
1075 line_t &l = ROW(screen.cur.row);
1076 rend_t base_rend = l.r[i];
1077 ht &= l.t[i] == ' ';
1078
994 for (; ++i < R->TermWin.ncol; ) 1079 for (; ++i < ncol; )
995 if (R->tabs[i]) { 1080 if (tabs[i])
1081 {
996 x = i; 1082 x = i;
1083
997 if (!--count) 1084 if (!--count)
998 break; 1085 break;
1086 }
1087 else
1088 ht &= l.t[i] == ' '
1089 && RS_SAME (l.r[i], base_rend);
1090
1091 if (count)
1092 x = ncol - 1;
1093
1094 // store horizontal tab commands as characters inside the text
1095 // buffer so they can be selected and pasted.
1096 if (ht && option (Opt_pastableTabs))
1097 {
1098 base_rend = SET_FONT (base_rend, 0);
1099
1100 l.touch (x);
1101
1102 i = screen.cur.col;
1103
1104 l.t[i] = '\t';
1105 l.r[i] = base_rend;
1106
1107 while (++i < x)
1108 {
1109 l.t[i] = NOCHAR;
1110 l.r[i] = base_rend;
999 } 1111 }
1000 if (count) 1112 }
1001 x = R->TermWin.ncol - 1; 1113 }
1002 } else /* if (count < 0) */ { 1114 else /* if (count < 0) */
1115 {
1003 for (; --i >= 0; ) 1116 for (; --i >= 0; )
1004 if (R->tabs[i]) { 1117 if (tabs[i])
1005 x = i;
1006 if (!++count)
1007 break;
1008 } 1118 {
1009 if (count)
1010 x = 0; 1119 x = i;
1120 if (!++count)
1121 break;
1122 }
1123
1124 if (count)
1125 x = 0;
1011 } 1126 }
1127
1012 if (x != R->screen.cur.col) 1128 if (x != screen.cur.col)
1013 rxvt_scr_gotorc(aR_ 0, x, R_RELATIVE); 1129 scr_gotorc (0, x, R_RELATIVE);
1014} 1130}
1015 1131
1016/* ------------------------------------------------------------------------- */ 1132/* ------------------------------------------------------------------------- */
1017/* 1133/*
1018 * Process DEC Back Index 1134 * Process DEC Back Index
1019 * XTERM_SEQ: ESC 6 1135 * XTERM_SEQ: ESC 6
1020 * Move cursor left in row. If we're at the left boundary, shift everything 1136 * Move cursor left in row. If we're at the left boundary, shift everything
1021 * in that row right. Clear left column. 1137 * in that row right. Clear left column.
1022 */ 1138 */
1023#ifndef NO_FRILLS 1139#if !ENABLE_MINIMAL
1024/* EXTPROTO */
1025void 1140void
1026rxvt_scr_backindex(pR) 1141rxvt_term::scr_backindex () NOTHROW
1027{ 1142{
1028 if (R->screen.cur.col > 0) 1143 if (screen.cur.col > 0)
1029 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE); 1144 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1030 else { 1145 else
1031 if (R->screen.tlen[R->screen.cur.row + R->TermWin.saveLines] == 0)
1032 return; /* um, yeah? */
1033 rxvt_scr_insdel_chars(aR_ 1, INSERT); 1146 scr_insdel_chars (1, INSERT);
1034 }
1035} 1147}
1036#endif 1148#endif
1037/* ------------------------------------------------------------------------- */ 1149/* ------------------------------------------------------------------------- */
1038/* 1150/*
1039 * Process DEC Forward Index 1151 * Process DEC Forward Index
1040 * XTERM_SEQ: ESC 9 1152 * XTERM_SEQ: ESC 9
1041 * Move cursor right in row. If we're at the right boundary, shift everything 1153 * Move cursor right in row. If we're at the right boundary, shift everything
1042 * in that row left. Clear right column. 1154 * in that row left. Clear right column.
1043 */ 1155 */
1044#ifndef NO_FRILLS 1156#if !ENABLE_MINIMAL
1045/* EXTPROTO */
1046void 1157void
1047rxvt_scr_forwardindex(pR) 1158rxvt_term::scr_forwardindex () NOTHROW
1048{ 1159{
1049 int row;
1050
1051 if (R->screen.cur.col < R->TermWin.ncol - 1) 1160 if (screen.cur.col < ncol - 1)
1052 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE); 1161 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1053 else { 1162 else
1054 row = R->screen.cur.row + R->TermWin.saveLines; 1163 {
1055 if (R->screen.tlen[row] == 0) 1164 line_t &l = ROW(screen.cur.row);
1056 return; /* um, yeah? */ 1165
1057 else if (R->screen.tlen[row] == -1) 1166 l.touch ();
1058 R->screen.tlen[row] = R->TermWin.ncol; 1167 l.is_longer (0);
1168
1059 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE); 1169 scr_gotorc (0, 0, R_RELATIVE);
1060 rxvt_scr_insdel_chars(aR_ 1, DELETE); 1170 scr_insdel_chars (1, DELETE);
1061 rxvt_scr_gotorc(aR_ 0, R->TermWin.ncol - 1, R_RELATIVE); 1171 scr_gotorc (0, ncol - 1, R_RELATIVE);
1062 } 1172 }
1063} 1173}
1064#endif 1174#endif
1065 1175
1066/* ------------------------------------------------------------------------- */ 1176/* ------------------------------------------------------------------------- */
1067/* 1177/*
1068 * Goto Row/Column 1178 * Goto Row/Column
1069 */ 1179 */
1070/* EXTPROTO */
1071void 1180void
1072rxvt_scr_gotorc(pR_ int row, int col, int relative) 1181rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW
1073{ 1182{
1074 R->want_refresh = 1; 1183 want_refresh = 1;
1075 ZERO_SCROLLBACK(R); 1184 ZERO_SCROLLBACK ();
1076#ifdef RXVT_GRAPHICS
1077 if (rxvt_Gr_Displayed(aR))
1078 rxvt_Gr_scroll(aR_ 0);
1079#endif
1080 1185
1081 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, R->screen.cur.row, R->screen.cur.col));
1082
1083 R->screen.cur.col = ((relative & C_RELATIVE) ? (R->screen.cur.col + col) 1186 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1084 : col); 1187 clamp_it (screen.cur.col, 0, ncol - 1);
1085 MAX_IT(R->screen.cur.col, 0);
1086 MIN_IT(R->screen.cur.col, (int32_t)R->TermWin.ncol - 1);
1087 1188
1088 R->screen.flags &= ~Screen_WrapNext; 1189 screen.flags &= ~Screen_WrapNext;
1190
1089 if (relative & R_RELATIVE) { 1191 if (relative & R_RELATIVE)
1192 {
1090 if (row > 0) { 1193 if (row > 0)
1194 {
1091 if (R->screen.cur.row <= R->screen.bscroll 1195 if (screen.cur.row <= screen.bscroll
1092 && (R->screen.cur.row + row) > R->screen.bscroll) 1196 && (screen.cur.row + row) > screen.bscroll)
1093 R->screen.cur.row = R->screen.bscroll; 1197 screen.cur.row = screen.bscroll;
1094 else 1198 else
1095 R->screen.cur.row += row;
1096 } else if (row < 0) {
1097 if (R->screen.cur.row >= R->screen.tscroll
1098 && (R->screen.cur.row + row) < R->screen.tscroll)
1099 R->screen.cur.row = R->screen.tscroll;
1100 else
1101 R->screen.cur.row += row;
1102 }
1103 } else {
1104 if (R->screen.flags & Screen_Relative) { /* relative origin mode */
1105 R->screen.cur.row = row + R->screen.tscroll;
1106 MIN_IT(R->screen.cur.row, R->screen.bscroll);
1107 } else
1108 R->screen.cur.row = row; 1199 screen.cur.row += row;
1200 }
1201 else if (row < 0)
1202 {
1203 if (screen.cur.row >= screen.tscroll
1204 && (screen.cur.row + row) < screen.tscroll)
1205 screen.cur.row = screen.tscroll;
1206 else
1207 screen.cur.row += row;
1208 }
1209 }
1210 else
1109 } 1211 {
1110 MAX_IT(R->screen.cur.row, 0); 1212 if (screen.flags & Screen_Relative)
1111 MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1); 1213 {
1112} 1214 /* relative origin mode */
1215 screen.cur.row = row + screen.tscroll;
1216 min_it (screen.cur.row, screen.bscroll);
1217 }
1218 else
1219 screen.cur.row = row;
1220 }
1113 1221
1222 clamp_it (screen.cur.row, 0, nrow - 1);
1223}
1224
1114/* ------------------------------------------------------------------------- */ 1225/* ------------------------------------------------------------------------- */
1115/* 1226/*
1116 * direction should be UP or DN 1227 * direction should be UP or DN
1117 */ 1228 */
1118/* EXTPROTO */
1119void 1229void
1120rxvt_scr_index(pR_ enum page_dirn direction) 1230rxvt_term::scr_index (enum page_dirn direction) NOTHROW
1121{ 1231{
1122 int dirn; 1232 int dirn;
1123 1233
1124 R->want_refresh = 1; 1234 want_refresh = 1;
1235 ZERO_SCROLLBACK ();
1236
1125 dirn = ((direction == UP) ? 1 : -1); 1237 dirn = ((direction == UP) ? 1 : -1);
1126 D_SCREEN((stderr, "rxvt_scr_index(%d)", dirn));
1127 1238
1128 ZERO_SCROLLBACK(R);
1129
1130#ifdef RXVT_GRAPHICS
1131 if (rxvt_Gr_Displayed(aR))
1132 rxvt_Gr_scroll(aR_ 0);
1133#endif
1134
1135 R->screen.flags &= ~Screen_WrapNext; 1239 screen.flags &= ~Screen_WrapNext;
1240
1136 if ((R->screen.cur.row == R->screen.bscroll && direction == UP) 1241 if ((screen.cur.row == screen.bscroll && direction == UP)
1137 || (R->screen.cur.row == R->screen.tscroll && direction == DN)) 1242 || (screen.cur.row == screen.tscroll && direction == DN))
1138 R->scr_scroll_text(R->screen.tscroll, R->screen.bscroll, dirn, 0); 1243 scr_scroll_text (screen.tscroll, screen.bscroll, dirn);
1139 else 1244 else
1140 R->screen.cur.row += dirn; 1245 screen.cur.row += dirn;
1141 MAX_IT(R->screen.cur.row, 0); 1246
1142 MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1); 1247 clamp_it (screen.cur.row, 0, nrow - 1);
1143 rxvt_selection_check(aR_ 0); 1248 selection_check (0);
1144} 1249}
1145 1250
1146/* ------------------------------------------------------------------------- */ 1251/* ------------------------------------------------------------------------- */
1147/* 1252/*
1148 * Erase part or whole of a line 1253 * Erase part or whole of a line
1149 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1254 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1150 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1255 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1151 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1256 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1257 * extension: clear to right unless wrapped: ESC [ 3 K
1152 */ 1258 */
1153/* EXTPROTO */
1154void 1259void
1155rxvt_scr_erase_line(pR_ int mode) 1260rxvt_term::scr_erase_line (int mode) NOTHROW
1156{ 1261{
1157 unsigned int row, col, num; 1262 unsigned int col, num;
1158 1263
1159 R->want_refresh = 1; 1264 want_refresh = 1;
1160 D_SCREEN((stderr, "rxvt_scr_erase_line(%d) at screen row: %d", mode, R->screen.cur.row));
1161 ZERO_SCROLLBACK (R); 1265 ZERO_SCROLLBACK ();
1162 1266
1163#ifdef RXVT_GRAPHICS
1164 if (rxvt_Gr_Displayed (aR))
1165 rxvt_Gr_scroll (aR_ 0);
1166#endif
1167
1168 rxvt_selection_check (aR_ 1); 1267 selection_check (1);
1169 1268
1170 R->screen.flags &= ~Screen_WrapNext; 1269 line_t &line = ROW(screen.cur.row);
1171 1270
1172 row = R->TermWin.saveLines + R->screen.cur.row; 1271 line.touch ();
1272 line.is_longer (0);
1273
1173 switch (mode) 1274 switch (mode)
1174 { 1275 {
1276 case 3:
1277 if (screen.flags & Screen_WrapNext)
1278 return;
1279
1280 /* fall through */
1281
1175 case 0: /* erase to end of line */ 1282 case 0: /* erase to end of line */
1176 col = R->screen.cur.col; 1283 col = screen.cur.col;
1177 num = R->TermWin.ncol - col; 1284 num = ncol - col;
1178 MIN_IT(R->screen.tlen[row], (int16_t)col); 1285 min_it (line.l, col);
1286
1179 if (ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur) 1287 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1180 || ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.end, R->screen.cur)) 1288 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1181 CLEAR_SELECTION(R); 1289 CLEAR_SELECTION ();
1182 break; 1290 break;
1291
1183 case 1: /* erase to beginning of line */ 1292 case 1: /* erase to beginning of line */
1184 col = 0; 1293 col = 0;
1185 num = R->screen.cur.col + 1; 1294 num = screen.cur.col + 1;
1295
1186 if (ROWCOL_IN_ROW_AT_OR_BEFORE(R->selection.beg, R->screen.cur) 1296 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1187 || ROWCOL_IN_ROW_AT_OR_BEFORE(R->selection.end, R->screen.cur)) 1297 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1188 CLEAR_SELECTION(R); 1298 CLEAR_SELECTION ();
1189 break; 1299 break;
1300
1190 case 2: /* erase whole line */ 1301 case 2: /* erase whole line */
1191 col = 0; 1302 col = 0;
1192 num = R->TermWin.ncol; 1303 num = ncol;
1193 R->screen.tlen[row] = 0; 1304 line.l = 0;
1194 if (R->selection.beg.row <= R->screen.cur.row 1305 if (selection.beg.row <= screen.cur.row
1195 && R->selection.end.row >= R->screen.cur.row) 1306 && selection.end.row >= screen.cur.row)
1196 CLEAR_SELECTION(R); 1307 CLEAR_SELECTION ();
1197 break; 1308 break;
1198 default: 1309 default:
1199 return; 1310 return;
1200 } 1311 }
1201 1312
1202 if (R->screen.text[row]) 1313 scr_blank_line (line, col, num, rstyle);
1203 R->scr_blank_line (&(R->screen.text[row][col]),
1204 &(R->screen.rend[row][col]), num, R->rstyle);
1205 else
1206 R->scr_blank_screen_mem (R->screen.text, R->screen.rend, row, R->rstyle);
1207} 1314}
1208 1315
1209/* ------------------------------------------------------------------------- */ 1316/* ------------------------------------------------------------------------- */
1210/* 1317/*
1211 * Erase part of whole of the screen 1318 * Erase part of whole of the screen
1212 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1319 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1213 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1320 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1214 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1321 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1215 */ 1322 */
1216void 1323void
1217rxvt_term::scr_erase_screen (int mode) 1324rxvt_term::scr_erase_screen (int mode) NOTHROW
1218{ 1325{
1219 int num; 1326 int num;
1220 int32_t row, row_offset; 1327 int32_t row;
1221 rend_t ren; 1328 rend_t ren;
1222 XGCValues gcvalue; 1329 XGCValues gcvalue;
1223 1330
1224 want_refresh = 1; 1331 want_refresh = 1;
1225 D_SCREEN((stderr, "rxvt_scr_erase_screen(%d) at screen row: %d", mode, screen.cur.row));
1226 ZERO_SCROLLBACK(this); 1332 ZERO_SCROLLBACK ();
1227 row_offset = (int32_t)TermWin.saveLines;
1228 1333
1229 switch (mode) { 1334 switch (mode)
1335 {
1230 case 0: /* erase to end of screen */ 1336 case 0: /* erase to end of screen */
1231 rxvt_selection_check(this,1); 1337 selection_check (1);
1232 rxvt_scr_erase_line(this,0); 1338 scr_erase_line (0);
1233 row = screen.cur.row + 1; /* possible OOB */ 1339 row = screen.cur.row + 1; /* possible OOB */
1234 num = TermWin.nrow - row; 1340 num = nrow - row;
1235 break; 1341 break;
1236 case 1: /* erase to beginning of screen */ 1342 case 1: /* erase to beginning of screen */
1237 rxvt_selection_check(this,3); 1343 selection_check (3);
1238 rxvt_scr_erase_line(this,1); 1344 scr_erase_line (1);
1239 row = 0; 1345 row = 0;
1240 num = screen.cur.row; 1346 num = screen.cur.row;
1241 break; 1347 break;
1242 case 2: /* erase whole screen */ 1348 case 2: /* erase whole screen */
1243 rxvt_selection_check (this, 3); 1349 selection_check (3);
1244#ifdef RXVT_GRAPHICS
1245 rxvt_Gr_ClearScreen (this);
1246#endif
1247 row = 0; 1350 row = 0;
1248 num = TermWin.nrow; 1351 num = nrow;
1249 break; 1352 break;
1250 default: 1353 default:
1251 return; 1354 return;
1252 } 1355 }
1253 refresh_type |= REFRESH_BOUNDS; 1356
1254 if (selection.op && current_screen == selection.screen 1357 if (selection.op && current_screen == selection.screen
1255 && ((selection.beg.row >= row && selection.beg.row <= row + num) 1358 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1256 || (selection.end.row >= row 1359 || (selection.end.row >= row
1257 && selection.end.row <= row + num))) 1360 && selection.end.row <= row + num)))
1258 CLEAR_SELECTION (this); 1361 CLEAR_SELECTION ();
1362
1259 if (row >= TermWin.nrow) /* Out Of Bounds */ 1363 if (row >= nrow) /* Out Of Bounds */
1260 return; 1364 return;
1261 MIN_IT(num, (TermWin.nrow - row)); 1365
1366 min_it (num, nrow - row);
1367
1262 if (rstyle & (RS_RVid | RS_Uline)) 1368 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1263 ren = (rend_t) ~RS_None; 1369 ren = (rend_t) ~RS_None;
1264 else if (GET_BASEBG(rstyle) == Color_bg) { 1370 else if (GET_BASEBG (rstyle) == Color_bg)
1371 {
1265 ren = DEFAULT_RSTYLE; 1372 ren = DEFAULT_RSTYLE;
1266 CLEAR_ROWS(row, num); 1373
1267 } else { 1374 if (mapped)
1375 XClearArea (dpy, vt, 0,
1376 Row2Pixel (row - view_start), (unsigned int)width,
1377 (unsigned int)Height2Pixel (num), False);
1378 }
1379 else
1380 {
1268 ren = (rstyle & (RS_fgMask | RS_bgMask)); 1381 ren = rstyle & (RS_fgMask | RS_bgMask);
1382
1383 if (mapped)
1384 {
1269 gcvalue.foreground = PixColors[GET_BGCOLOR(rstyle)]; 1385 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1270 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1386 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1271 ERASE_ROWS(row, num); 1387 XFillRectangle (dpy, vt, gc,
1388 0, Row2Pixel (row - view_start),
1389 (unsigned int)width,
1390 (unsigned int)Height2Pixel (num));
1272 gcvalue.foreground = PixColors[Color_fg]; 1391 gcvalue.foreground = pix_colors[Color_fg];
1273 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1392 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1393 }
1274 } 1394 }
1395
1275 for (; num--; row++) { 1396 for (; num--; row++)
1276 scr_blank_screen_mem (screen.text, screen.rend,
1277 (unsigned int)(row + row_offset), rstyle);
1278 screen.tlen[row + row_offset] = 0;
1279 scr_blank_line (drawn_text[row], drawn_rend[row],
1280 (unsigned int)TermWin.ncol, ren);
1281 } 1397 {
1398 scr_blank_screen_mem (ROW(row), rstyle);
1399
1400 if (row - view_start < nrow)
1401 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1402 }
1282} 1403}
1404
1405#if !ENABLE_MINIMAL
1406void
1407rxvt_term::scr_erase_savelines () NOTHROW
1408{
1409 want_refresh = 1;
1410 ZERO_SCROLLBACK ();
1411
1412 top_row = 0;
1413}
1414#endif
1283 1415
1284/* ------------------------------------------------------------------------- */ 1416/* ------------------------------------------------------------------------- */
1285/* 1417/*
1286 * Fill the screen with `E's 1418 * Fill the screen with `E's
1287 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1419 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1288 */ 1420 */
1289/* EXTPROTO */
1290void 1421void
1291rxvt_scr_E(pR) 1422rxvt_term::scr_E () NOTHROW
1292{ 1423{
1293 int i, j, k; 1424 rend_t fs;
1294 rend_t *r1, fs;
1295 1425
1296 R->want_refresh = 1; 1426 want_refresh = 1;
1297 R->num_scr_allow = 0;
1298 ZERO_SCROLLBACK(R); 1427 ZERO_SCROLLBACK ();
1428
1429 num_scr_allow = 0;
1299 rxvt_selection_check(aR_ 3); 1430 selection_check (3);
1300 1431
1301 fs = SET_FONT (R->rstyle, R->TermWin.fontset->find_font ('E')); 1432 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1302 for (k = R->TermWin.saveLines, i = R->TermWin.nrow; i--; k++) { 1433 for (int row = nrow; row--; )
1303 R->screen.tlen[k] = R->TermWin.ncol; /* make the `E's selectable */ 1434 {
1304 fill_text (R->screen.text[k], 'E', R->TermWin.ncol); 1435 line_t &line = ROW(row);
1305 for (r1 = R->screen.rend[k], j = R->TermWin.ncol; j--; ) 1436
1437 fill_text (line.t, 'E', ncol);
1438 rend_t *r1 = line.r;
1439
1440 for (int j = ncol; j--; )
1306 *r1++ = fs; 1441 *r1++ = fs;
1442
1443 line.is_longer (0);
1444 line.touch (ncol);
1307 } 1445 }
1308} 1446}
1309 1447
1310/* ------------------------------------------------------------------------- */ 1448/* ------------------------------------------------------------------------- */
1311/* 1449/*
1312 * Insert/Delete <count> lines 1450 * Insert/Delete <count> lines
1313 */ 1451 */
1314/* EXTPROTO */
1315void 1452void
1316rxvt_scr_insdel_lines(pR_ int count, int insdel) 1453rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW
1317{ 1454{
1318 int end; 1455 int end;
1319 1456
1320 ZERO_SCROLLBACK(R); 1457 ZERO_SCROLLBACK ();
1321 1458
1322#ifdef RXVT_GRAPHICS
1323 if (rxvt_Gr_Displayed(aR))
1324 rxvt_Gr_scroll(aR_ 0);
1325#endif
1326
1327 rxvt_selection_check(aR_ 1); 1459 selection_check (1);
1328 1460
1329 if (R->screen.cur.row > R->screen.bscroll) 1461 if (screen.cur.row > screen.bscroll)
1462 return;
1463
1464 end = screen.bscroll - screen.cur.row + 1;
1465 if (count > end)
1466 {
1467 if (insdel == DELETE)
1330 return; 1468 return;
1331
1332 end = R->screen.bscroll - R->screen.cur.row + 1;
1333 if (count > end) {
1334 if (insdel == DELETE)
1335 return;
1336 else if (insdel == INSERT) 1469 else if (insdel == INSERT)
1337 count = end; 1470 count = end;
1338 } 1471 }
1339 R->screen.flags &= ~Screen_WrapNext;
1340 1472
1473 scr_do_wrap ();
1474
1341 R->scr_scroll_text(R->screen.cur.row, R->screen.bscroll, insdel * count, 0); 1475 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1342} 1476}
1343 1477
1344/* ------------------------------------------------------------------------- */ 1478/* ------------------------------------------------------------------------- */
1345/* 1479/*
1346 * Insert/Delete <count> characters from the current position 1480 * Insert/Delete <count> characters from the current position
1347 */ 1481 */
1348/* EXTPROTO */
1349void 1482void
1350rxvt_scr_insdel_chars(pR_ int count, int insdel) 1483rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1351{ 1484{
1352 int col, row;
1353 rend_t tr;
1354 text_t *stp;
1355 rend_t *srp;
1356 int16_t *slp;
1357
1358 R->want_refresh = 1; 1485 want_refresh = 1;
1359 ZERO_SCROLLBACK(R); 1486 ZERO_SCROLLBACK ();
1360 1487
1361#ifdef RXVT_GRAPHICS
1362 if (rxvt_Gr_Displayed(aR))
1363 rxvt_Gr_scroll(aR_ 0);
1364#endif
1365
1366 if (count <= 0) 1488 if (count <= 0)
1367 return; 1489 return;
1368 1490
1491 scr_do_wrap ();
1492
1369 rxvt_selection_check(aR_ 1); 1493 selection_check (1);
1370 MIN_IT(count, (R->TermWin.ncol - R->screen.cur.col)); 1494 min_it (count, ncol - screen.cur.col);
1371 1495
1372 row = R->screen.cur.row + R->TermWin.saveLines; 1496 int row = screen.cur.row;
1373 R->screen.flags &= ~Screen_WrapNext;
1374 1497
1375 stp = R->screen.text[row]; 1498 line_t *line = &ROW(row);
1376 srp = R->screen.rend[row]; 1499
1377 slp = &(R->screen.tlen[row]); 1500 line->touch ();
1501 line->is_longer (0);
1502
1503 // nuke wide spanning the start
1504 if (line->t[screen.cur.col] == NOCHAR)
1505 scr_kill_char (*line, screen.cur.col);
1506
1378 switch (insdel) { 1507 switch (insdel)
1508 {
1379 case INSERT: 1509 case INSERT:
1380 for (col = R->TermWin.ncol - 1; (col - count) >= R->screen.cur.col; 1510 line->l = min (line->l + count, ncol);
1381 col--) { 1511
1512 if (line->t[screen.cur.col] == NOCHAR)
1513 scr_kill_char (*line, screen.cur.col);
1514
1515 for (int col = ncol - 1; (col - count) >= screen.cur.col; col--)
1516 {
1382 stp[col] = stp[col - count]; 1517 line->t[col] = line->t[col - count];
1383 srp[col] = srp[col - count]; 1518 line->r[col] = line->r[col - count];
1384 } 1519 }
1385 if (*slp != -1) { 1520
1386 *slp += count;
1387 MIN_IT(*slp, R->TermWin.ncol);
1388 }
1389 if (R->selection.op && R->current_screen == R->selection.screen 1521 if (selection.op && current_screen == selection.screen
1390 && ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur)) { 1522 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1523 {
1391 if (R->selection.end.row != R->screen.cur.row 1524 if (selection.end.row != screen.cur.row
1392 || (R->selection.end.col + count >= R->TermWin.ncol)) 1525 || (selection.end.col + count >= ncol))
1393 CLEAR_SELECTION(R); 1526 CLEAR_SELECTION ();
1527 else
1528 {
1394 else { /* shift selection */ 1529 /* shift selection */
1395 R->selection.beg.col += count; 1530 selection.beg.col += count;
1396 R->selection.mark.col += count; /* XXX: yes? */ 1531 selection.mark.col += count; /* XXX: yes? */
1397 R->selection.end.col += count; 1532 selection.end.col += count;
1398 } 1533 }
1399 } 1534 }
1400 R->scr_blank_line (&(stp[R->screen.cur.col]), &(srp[R->screen.cur.col]), 1535
1401 (unsigned int)count, R->rstyle); 1536 scr_blank_line (*line, screen.cur.col, count, rstyle);
1402 break; 1537 break;
1538
1403 case ERASE: 1539 case ERASE:
1404 R->screen.cur.col += count; /* don't worry if > R->TermWin.ncol */ 1540 screen.cur.col += count; /* don't worry if > ncol */
1405 rxvt_selection_check(aR_ 1); 1541 selection_check (1);
1406 R->screen.cur.col -= count; 1542 screen.cur.col -= count;
1407 R->scr_blank_line (&(stp[R->screen.cur.col]), &(srp[R->screen.cur.col]), 1543
1408 (unsigned int)count, R->rstyle); 1544 // nuke wide char after the end
1545 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1546 scr_kill_char (*line, screen.cur.col + count);
1547
1548 scr_blank_line (*line, screen.cur.col, count, rstyle);
1409 break; 1549 break;
1550
1410 case DELETE: 1551 case DELETE:
1411 tr = srp[R->TermWin.ncol - 1] 1552 line->l = max (line->l - count, 0);
1412 & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1553
1554 // nuke wide char spanning the end
1555 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1556 scr_kill_char (*line, screen.cur.col + count);
1557
1413 for (col = R->screen.cur.col; (col + count) < R->TermWin.ncol; col++) { 1558 for (int col = screen.cur.col; (col + count) < ncol; col++)
1559 {
1414 stp[col] = stp[col + count]; 1560 line->t[col] = line->t[col + count];
1415 srp[col] = srp[col + count]; 1561 line->r[col] = line->r[col + count];
1416 } 1562 }
1417 R->scr_blank_line (&(stp[R->TermWin.ncol - count]), 1563
1418 &(srp[R->TermWin.ncol - count]), 1564 scr_blank_line (*line, ncol - count, count, rstyle);
1419 (unsigned int)count, tr); 1565
1420 if (*slp == -1) /* break line continuation */
1421 *slp = R->TermWin.ncol;
1422 *slp -= count;
1423 MAX_IT(*slp, 0);
1424 if (R->selection.op && R->current_screen == R->selection.screen 1566 if (selection.op && current_screen == selection.screen
1425 && ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur)) { 1567 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1568 {
1426 if (R->selection.end.row != R->screen.cur.row 1569 if (selection.end.row != screen.cur.row
1427 || (R->screen.cur.col >= R->selection.beg.col - count) 1570 || (screen.cur.col >= selection.beg.col - count)
1428 || R->selection.end.col >= R->TermWin.ncol) 1571 || selection.end.col >= ncol)
1429 CLEAR_SELECTION(R); 1572 CLEAR_SELECTION ();
1430 else { 1573 else
1574 {
1431 /* shift selection */ 1575 /* shift selection */
1432 R->selection.beg.col -= count; 1576 selection.beg.col -= count;
1433 R->selection.mark.col -= count; /* XXX: yes? */ 1577 selection.mark.col -= count; /* XXX: yes? */
1434 R->selection.end.col -= count; 1578 selection.end.col -= count;
1435 } 1579 }
1436 } 1580 }
1581
1437 break; 1582 break;
1438 } 1583 }
1439} 1584}
1440 1585
1441/* ------------------------------------------------------------------------- */ 1586/* ------------------------------------------------------------------------- */
1442/* 1587/*
1443 * Set the scrolling region 1588 * Set the scrolling region
1444 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1589 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1445 */ 1590 */
1446/* EXTPROTO */
1447void 1591void
1448rxvt_scr_scroll_region(pR_ int top, int bot) 1592rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1449{ 1593{
1450 MAX_IT(top, 0); 1594 max_it (top, 0);
1451 MIN_IT(bot, (int)R->TermWin.nrow - 1); 1595 min_it (bot, nrow - 1);
1596
1452 if (top > bot) 1597 if (top > bot)
1453 return; 1598 return;
1599
1454 R->screen.tscroll = top; 1600 screen.tscroll = top;
1455 R->screen.bscroll = bot; 1601 screen.bscroll = bot;
1456 rxvt_scr_gotorc(aR_ 0, 0, 0); 1602 scr_gotorc (0, 0, 0);
1457} 1603}
1458 1604
1459/* ------------------------------------------------------------------------- */ 1605/* ------------------------------------------------------------------------- */
1460/* 1606/*
1461 * Make the cursor visible/invisible 1607 * Make the cursor visible/invisible
1462 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1608 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1463 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1609 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1464 */ 1610 */
1465/* EXTPROTO */
1466void 1611void
1467rxvt_scr_cursor_visible(pR_ int mode) 1612rxvt_term::scr_cursor_visible (int mode) NOTHROW
1468{ 1613{
1469 R->want_refresh = 1; 1614 want_refresh = 1;
1615
1470 if (mode) 1616 if (mode)
1471 R->screen.flags |= Screen_VisibleCursor; 1617 screen.flags |= Screen_VisibleCursor;
1472 else 1618 else
1473 R->screen.flags &= ~Screen_VisibleCursor; 1619 screen.flags &= ~Screen_VisibleCursor;
1474} 1620}
1475 1621
1476/* ------------------------------------------------------------------------- */ 1622/* ------------------------------------------------------------------------- */
1477/* 1623/*
1478 * Set/unset automatic wrapping 1624 * Set/unset automatic wrapping
1479 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1625 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1480 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1626 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1481 */ 1627 */
1482/* EXTPROTO */
1483void 1628void
1484rxvt_scr_autowrap(pR_ int mode) 1629rxvt_term::scr_autowrap (int mode) NOTHROW
1485{ 1630{
1486 if (mode) 1631 if (mode)
1487 R->screen.flags |= Screen_Autowrap; 1632 screen.flags |= Screen_Autowrap;
1488 else 1633 else
1489 R->screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1634 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1490} 1635}
1491 1636
1492/* ------------------------------------------------------------------------- */ 1637/* ------------------------------------------------------------------------- */
1493/* 1638/*
1494 * Set/unset margin origin mode 1639 * Set/unset margin origin mode
… …
1497 * Relative mode: line numbers are relative to top margin of scrolling region 1642 * Relative mode: line numbers are relative to top margin of scrolling region
1498 * and the cursor cannot be moved outside. 1643 * and the cursor cannot be moved outside.
1499 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1644 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1500 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1645 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1501 */ 1646 */
1502/* EXTPROTO */
1503void 1647void
1504rxvt_scr_relative_origin(pR_ int mode) 1648rxvt_term::scr_relative_origin (int mode) NOTHROW
1505{ 1649{
1506 if (mode) 1650 if (mode)
1507 R->screen.flags |= Screen_Relative; 1651 screen.flags |= Screen_Relative;
1508 else 1652 else
1509 R->screen.flags &= ~Screen_Relative; 1653 screen.flags &= ~Screen_Relative;
1654
1510 rxvt_scr_gotorc(aR_ 0, 0, 0); 1655 scr_gotorc (0, 0, 0);
1511} 1656}
1512 1657
1513/* ------------------------------------------------------------------------- */ 1658/* ------------------------------------------------------------------------- */
1514/* 1659/*
1515 * Set insert/replace mode 1660 * Set insert/replace mode
1516 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1661 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1517 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1662 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1518 */ 1663 */
1519/* EXTPROTO */
1520void 1664void
1521rxvt_scr_insert_mode(pR_ int mode) 1665rxvt_term::scr_insert_mode (int mode) NOTHROW
1522{ 1666{
1523 if (mode) 1667 if (mode)
1524 R->screen.flags |= Screen_Insert; 1668 screen.flags |= Screen_Insert;
1525 else 1669 else
1526 R->screen.flags &= ~Screen_Insert; 1670 screen.flags &= ~Screen_Insert;
1527} 1671}
1528 1672
1529/* ------------------------------------------------------------------------- */ 1673/* ------------------------------------------------------------------------- */
1530/* 1674/*
1531 * Set/Unset tabs 1675 * Set/Unset tabs
1532 * XTERM_SEQ: Set tab at current column : ESC H 1676 * XTERM_SEQ: Set tab at current column : ESC H
1533 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1677 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1534 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1678 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1535 */ 1679 */
1536/* EXTPROTO */
1537void 1680void
1538rxvt_scr_set_tab(pR_ int mode) 1681rxvt_term::scr_set_tab (int mode) NOTHROW
1539{ 1682{
1540 if (mode < 0) 1683 if (mode < 0)
1541 MEMSET(R->tabs, 0, R->TermWin.ncol * sizeof(char)); 1684 memset (tabs, 0, ncol);
1542 else if (R->screen.cur.col < R->TermWin.ncol) 1685 else if (screen.cur.col < ncol)
1543 R->tabs[R->screen.cur.col] = (mode ? 1 : 0); 1686 tabs [screen.cur.col] = !!mode;
1544} 1687}
1545 1688
1546/* ------------------------------------------------------------------------- */ 1689/* ------------------------------------------------------------------------- */
1547/* 1690/*
1548 * Set reverse/normal video 1691 * Set reverse/normal video
1549 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1692 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1550 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1693 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1551 */ 1694 */
1552/* EXTPROTO */
1553void 1695void
1554rxvt_scr_rvideo_mode(pR_ int mode) 1696rxvt_term::scr_rvideo_mode (bool on) NOTHROW
1555{ 1697{
1698 rvideo_mode = on;
1699
1700#ifndef NO_BELL
1701 on ^= rvideo_bell;
1702#endif
1703
1704 if (rvideo_state != on)
1705 {
1706 rvideo_state = on;
1707
1708 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1709#ifdef HAVE_BG_PIXMAP
1710 if (bg_pixmap == None)
1711#endif
1712 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1713
1556 XGCValues gcvalue; 1714 XGCValues gcvalue;
1557
1558 if (R->rvideo != mode) {
1559 R->rvideo = mode;
1560 SWAP_IT(R->PixColors[Color_fg], R->PixColors[Color_bg], rxvt_color);
1561#if defined(XPM_BACKGROUND)
1562 if (R->bgPixmap.pixmap == None)
1563#endif
1564#if defined(TRANSPARENT)
1565 if (!(R->Options & Opt_transparent) || R->am_transparent == 0)
1566#endif
1567 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1568 R->PixColors[Color_bg]);
1569
1570 gcvalue.foreground = R->PixColors[Color_fg]; 1715 gcvalue.foreground = pix_colors[Color_fg];
1571 gcvalue.background = R->PixColors[Color_bg]; 1716 gcvalue.background = pix_colors[Color_bg];
1572 XChangeGC(R->Xdisplay, R->TermWin.gc, GCBackground | GCForeground, 1717 XChangeGC (dpy, gc, GCBackground | GCForeground, &gcvalue);
1573 &gcvalue); 1718
1574 R->scr_clear (); 1719 scr_clear ();
1575 R->scr_touch (true); 1720 scr_touch (true);
1576 } 1721 }
1577} 1722}
1578 1723
1579/* ------------------------------------------------------------------------- */ 1724/* ------------------------------------------------------------------------- */
1580/* 1725/*
1581 * Report current cursor position 1726 * Report current cursor position
1582 * XTERM_SEQ: Report position: ESC [ 6 n 1727 * XTERM_SEQ: Report position: ESC [ 6 n
1583 */ 1728 */
1584/* EXTPROTO */
1585void 1729void
1586rxvt_scr_report_position(pR) 1730rxvt_term::scr_report_position () NOTHROW
1587{ 1731{
1588 R->tt_printf("\033[%d;%dR", R->screen.cur.row + 1, R->screen.cur.col + 1); 1732 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1589} 1733}
1590 1734
1591/* ------------------------------------------------------------------------- * 1735/* ------------------------------------------------------------------------- *
1592 * FONTS * 1736 * FONTS *
1593 * ------------------------------------------------------------------------- */ 1737 * ------------------------------------------------------------------------- */
1594 1738
1595/* 1739/*
1596 * Set font style 1740 * Set font style
1597 */ 1741 */
1598/* INTPROTO */
1599void 1742void
1600rxvt_set_font_style(pR) 1743rxvt_term::set_font_style () NOTHROW
1601{ 1744{
1745#if 0
1602 switch (R->charsets[R->screen.charset]) { 1746 switch (charsets [screen.charset])
1747 {
1603 case '0': /* DEC Special Character & Line Drawing Set */ 1748 case '0': /* DEC Special Character & Line Drawing Set */
1604 break; 1749 break;
1605 case 'A': /* United Kingdom (UK) */ 1750 case 'A': /* United Kingdom (UK) */
1606 break; 1751 break;
1607 case 'B': /* United States (USASCII) */ 1752 case 'B': /* United States (USASCII) */
1608 break; 1753 break;
1609 case '<': /* Multinational character set */ 1754 case '<': /* Multinational character set */
1610 break; 1755 break;
1611 case '5': /* Finnish character set */ 1756 case '5': /* Finnish character set */
1612 break; 1757 break;
1613 case 'C': /* Finnish character set */ 1758 case 'C': /* Finnish character set */
1614 break; 1759 break;
1615 case 'K': /* German character set */ 1760 case 'K': /* German character set */
1616 break; 1761 break;
1617 } 1762 }
1763#endif
1618} 1764}
1619 1765
1620/* ------------------------------------------------------------------------- */ 1766/* ------------------------------------------------------------------------- */
1621/* 1767/*
1622 * Choose a font 1768 * Choose a font
1623 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1769 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1624 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1770 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1625 * XTERM_SEQ: Invoke G2 character set: ESC N 1771 * XTERM_SEQ: Invoke G2 character set: ESC N
1626 * XTERM_SEQ: Invoke G3 character set: ESC O 1772 * XTERM_SEQ: Invoke G3 character set: ESC O
1627 */ 1773 */
1628/* EXTPROTO */
1629void 1774void
1630rxvt_scr_charset_choose(pR_ int set) 1775rxvt_term::scr_charset_choose (int set) NOTHROW
1631{ 1776{
1632 R->screen.charset = set; 1777 screen.charset = set;
1633 rxvt_set_font_style(aR); 1778 set_font_style ();
1634} 1779}
1635 1780
1636/* ------------------------------------------------------------------------- */ 1781/* ------------------------------------------------------------------------- */
1637/* 1782/*
1638 * Set a font 1783 * Set a font
… …
1640 * XTERM_SEQ: Set G1 character set: ESC ) <C> 1785 * XTERM_SEQ: Set G1 character set: ESC ) <C>
1641 * XTERM_SEQ: Set G2 character set: ESC * <C> 1786 * XTERM_SEQ: Set G2 character set: ESC * <C>
1642 * XTERM_SEQ: Set G3 character set: ESC + <C> 1787 * XTERM_SEQ: Set G3 character set: ESC + <C>
1643 * See set_font_style for possible values for <C> 1788 * See set_font_style for possible values for <C>
1644 */ 1789 */
1645/* EXTPROTO */
1646void 1790void
1647rxvt_scr_charset_set(pR_ int set, unsigned int ch) 1791rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW
1648{ 1792{
1649 R->charsets[set] = (unsigned char)ch; 1793 charsets[set] = (unsigned char)ch;
1650 rxvt_set_font_style(aR); 1794 set_font_style ();
1651} 1795}
1652 1796
1653
1654/* ------------------------------------------------------------------------- *
1655 * GRAPHICS COLOURS *
1656 * ------------------------------------------------------------------------- */
1657
1658#ifdef RXVT_GRAPHICS
1659/* EXTPROTO */
1660int
1661rxvt_scr_get_fgcolor(pR)
1662{
1663 return GET_FGCOLOR(R->rstyle);
1664}
1665
1666/* ------------------------------------------------------------------------- */
1667/* EXTPROTO */
1668int
1669rxvt_scr_get_bgcolor(pR)
1670{
1671 return GET_BGCOLOR(R->rstyle);
1672}
1673#endif
1674 1797
1675/* ------------------------------------------------------------------------- * 1798/* ------------------------------------------------------------------------- *
1676 * MAJOR SCREEN MANIPULATION * 1799 * MAJOR SCREEN MANIPULATION *
1677 * ------------------------------------------------------------------------- */ 1800 * ------------------------------------------------------------------------- */
1678 1801
1679/* 1802/*
1803 * refresh matching text.
1804 */
1805bool
1806rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1807{
1808 bool found = false;
1809
1810 for (int i = 0; i < nrow; i++)
1811 {
1812 rend_t *drp = drawn_buf[i].r;
1813
1814 for (int col = 0; col < ncol; col++, drp++)
1815 if ((*drp & mask) == value)
1816 {
1817 found = true;
1818 *drp = ~value;
1819 }
1820 }
1821
1822 return found;
1823}
1824
1825/*
1680 * Refresh an area 1826 * Refresh an area
1681 */ 1827 */
1682enum { 1828enum {
1683 PART_BEG = 0, 1829 PART_BEG = 0,
1684 PART_END, 1830 PART_END,
1685 RC_COUNT 1831 RC_COUNT
1686}; 1832};
1687 1833
1688void 1834void
1689rxvt_term::scr_expose (int x, int y, int width, int height, bool refresh) 1835rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1690{ 1836{
1691 int i; 1837 int i;
1692 row_col_t rc[RC_COUNT]; 1838 row_col_t rc[RC_COUNT];
1693 1839
1694 if (drawn_text == NULL) /* sanity check */ 1840 if (!drawn_buf) /* sanity check */
1695 return; 1841 return;
1696 1842
1697#ifdef DEBUG_STRICT 1843#ifndef NO_SLOW_LINK_SUPPORT
1698 x = max(x, (int)TermWin.int_bwidth); 1844 if (refresh_type == FAST_REFRESH && !display->is_local)
1699 x = min(x, (int)TermWin.width); 1845 {
1700 y = max(y, (int)TermWin.int_bwidth); 1846 y = 0;
1701 y = min(y, (int)TermWin.height); 1847 eheight = height;
1848 }
1702#endif 1849#endif
1703 1850
1704/* round down */ 1851 /* round down */
1705 rc[PART_BEG].col = Pixel2Col(x); 1852 rc[PART_BEG].col = Pixel2Col (x);
1706 rc[PART_BEG].row = Pixel2Row(y); 1853 rc[PART_BEG].row = Pixel2Row (y);
1707/* round up */ 1854 /* round up */
1708 rc[PART_END].col = Pixel2Width(x + width + TermWin.fwidth - 1); 1855 rc[PART_END].col = Pixel2Width (x + ewidth + fwidth - 1);
1709 rc[PART_END].row = Pixel2Row(y + height + TermWin.fheight - 1); 1856 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1710 1857
1711/* sanity checks */ 1858 /* sanity checks */
1712 for (i = PART_BEG; i < RC_COUNT; i++) 1859 for (i = PART_BEG; i < RC_COUNT; i++)
1713 { 1860 {
1714 MIN_IT(rc[i].col, TermWin.ncol - 1); 1861 min_it (rc[i].col, ncol - 1);
1715 MIN_IT(rc[i].row, TermWin.nrow - 1); 1862 min_it (rc[i].row, nrow - 1);
1716 } 1863 }
1717
1718 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));
1719 1864
1720 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1865 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1721 fill_text (&(drawn_text[i][rc[PART_BEG].col]), 0, 1866 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1722 (rc[PART_END].col - rc[PART_BEG].col + 1)); 1867
1868 num_scr_allow = 0;
1723 1869
1724 if (refresh) 1870 if (refresh)
1725 scr_refresh (SLOW_REFRESH | REFRESH_BOUNDS); 1871 scr_refresh ();
1726} 1872}
1727 1873
1728/* ------------------------------------------------------------------------- */ 1874/* ------------------------------------------------------------------------- */
1729/* 1875/*
1730 * Refresh the entire screen 1876 * Refresh the entire screen
1731 */ 1877 */
1732void 1878void
1733rxvt_term::scr_touch (bool refresh) 1879rxvt_term::scr_touch (bool refresh) NOTHROW
1734{ 1880{
1735 scr_expose (0, 0, TermWin.width, TermWin.height, refresh); 1881 scr_expose (0, 0, width, height, refresh);
1736} 1882}
1737 1883
1738/* ------------------------------------------------------------------------- */ 1884/* ------------------------------------------------------------------------- */
1739/* 1885/*
1740 * Move the display so that the line represented by scrollbar value Y is at 1886 * Move the display so that the line represented by scrollbar value Y is at
1741 * the top of the screen 1887 * the top of the screen
1742 */ 1888 */
1743/* EXTPROTO */ 1889void
1744int
1745rxvt_scr_move_to(pR_ int y, int len) 1890rxvt_term::scr_move_to (int y, int len) NOTHROW
1746{ 1891{
1747 long p = 0; 1892 scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));
1748 uint16_t oldviewstart;
1749
1750 oldviewstart = R->TermWin.view_start;
1751 if (y < len) {
1752 p = (R->TermWin.nrow + R->TermWin.nscrolled) * (len - y) / len;
1753 p -= (long)(R->TermWin.nrow - 1);
1754 p = max(p, 0);
1755 }
1756 R->TermWin.view_start = (uint16_t)min(p, R->TermWin.nscrolled);
1757 D_SCREEN((stderr, "rxvt_scr_move_to(%d, %d) view_start:%d", y, len, R->TermWin.view_start));
1758
1759 return rxvt_scr_changeview(aR_ oldviewstart);
1760} 1893}
1761 1894
1762/* ------------------------------------------------------------------------- */ 1895/* ------------------------------------------------------------------------- */
1763/* 1896/*
1764 * Page the screen up/down nlines 1897 * Page the screen up/down nlines
1765 * direction should be UP or DN 1898 * direction should be UP or DN
1766 */ 1899 */
1767/* EXTPROTO */ 1900bool
1768int
1769rxvt_scr_page(pR_ enum page_dirn direction, int nlines) 1901rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW
1770{ 1902{
1771 int n; 1903 int new_view_start =
1772 uint16_t oldviewstart; 1904 direction == UP ? view_start - nlines
1905 : view_start + nlines;
1773 1906
1774 D_SCREEN((stderr, "rxvt_scr_page(%s, %d) view_start:%d", ((direction == UP) ? "UP" : "DN"), nlines, R->TermWin.view_start));
1775#ifdef DEBUG_STRICT
1776 assert((nlines >= 0) && (nlines <= R->TermWin.nrow));
1777#endif
1778 oldviewstart = R->TermWin.view_start;
1779 if (direction == UP) {
1780 n = R->TermWin.view_start + nlines;
1781 R->TermWin.view_start = min(n, R->TermWin.nscrolled);
1782 } else {
1783 n = R->TermWin.view_start - nlines;
1784 R->TermWin.view_start = max(n, 0);
1785 }
1786 return rxvt_scr_changeview(aR_ oldviewstart); 1907 return scr_changeview (new_view_start);
1787} 1908}
1788 1909
1789/* INTPROTO */ 1910bool
1790int 1911rxvt_term::scr_changeview (int new_view_start) NOTHROW
1791rxvt_scr_changeview(pR_ uint16_t oldviewstart)
1792{ 1912{
1793 if (R->TermWin.view_start != oldviewstart) { 1913 clamp_it (new_view_start, top_row, 0);
1914
1915 if (new_view_start == view_start)
1916 return false;
1917
1918 num_scr += new_view_start - view_start;
1919 view_start = new_view_start;
1794 R->want_refresh = 1; 1920 want_refresh = 1;
1795#ifdef RXVT_GRAPHICS
1796 if (rxvt_Gr_Displayed(aR))
1797 rxvt_Gr_scroll(aR_ 0);
1798#endif
1799 R->num_scr -= (R->TermWin.view_start - oldviewstart);
1800 }
1801 return (int)(R->TermWin.view_start - oldviewstart);
1802}
1803 1921
1804/* ------------------------------------------------------------------------- */ 1922 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1805/* EXTPROTO */ 1923
1806void 1924 return true;
1807rxvt_scr_bell(pR) 1925}
1808{ 1926
1809#ifndef NO_BELL 1927#ifndef NO_BELL
1928void
1929rxvt_term::bell_cb (ev::timer &w, int revents)
1930{
1931 rvideo_bell = false;
1932 scr_rvideo_mode (rvideo_mode);
1933 refresh_check ();
1934}
1935#endif
1936
1937/* ------------------------------------------------------------------------- */
1938void
1939rxvt_term::scr_bell () NOTHROW
1940{
1941#ifndef NO_BELL
1942
1810# ifndef NO_MAPALERT 1943# ifndef NO_MAPALERT
1811# ifdef MAPALERT_OPTION 1944# ifdef MAPALERT_OPTION
1812 if (R->Options & Opt_mapAlert) 1945 if (option (Opt_mapAlert))
1813# endif 1946# endif
1814 XMapWindow(R->Xdisplay, R->TermWin.parent[0]); 1947 XMapWindow (dpy, parent);
1815# endif 1948# endif
1816 if (R->Options & Opt_visualBell) { 1949
1817 rxvt_scr_rvideo_mode(aR_ !R->rvideo); /* refresh also done */ 1950# if ENABLE_FRILLS
1818 rxvt_scr_rvideo_mode(aR_ !R->rvideo); /* refresh also done */ 1951 if (option (Opt_urgentOnBell))
1819 } else 1952 set_urgency (1);
1820 XBell(R->Xdisplay, 0);
1821#endif 1953# endif
1822}
1823 1954
1955 if (option (Opt_visualBell))
1956 {
1957 rvideo_bell = true;
1958 scr_rvideo_mode (rvideo_mode);
1959 flush ();
1960
1961 bell_ev.start (VISUAL_BELL_DURATION);
1962 }
1963 else
1964 XBell (dpy, 0);
1965 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1966#endif
1967}
1968
1824/* ------------------------------------------------------------------------- */ 1969/* ------------------------------------------------------------------------- */
1825/* ARGSUSED */
1826/* EXTPROTO */
1827void 1970void
1828rxvt_scr_printscreen(pR_ int fullhist) 1971rxvt_term::scr_printscreen (int fullhist) NOTHROW
1829{ 1972{
1830#ifdef PRINTPIPE 1973#ifdef PRINTPIPE
1831 int i, r1, nrows, row_offset; 1974 int nrows, row_start;
1832 text_t *t; 1975 FILE *fd = popen_printer ();
1833 FILE *fd;
1834 1976
1835 if ((fd = rxvt_popen_printer(aR)) == NULL) 1977 if (!fd)
1836 return; 1978 return;
1837 nrows = R->TermWin.nrow; 1979
1838 row_offset = R->TermWin.saveLines;
1839 if (!fullhist) 1980 if (fullhist)
1840 row_offset -= R->TermWin.view_start;
1841 else {
1842 nrows += R->TermWin.nscrolled;
1843 row_offset -= R->TermWin.nscrolled;
1844 } 1981 {
1845 1982 nrows = nrow - top_row;
1846 for (r1 = 0; r1 < nrows; r1++) { 1983 row_start = top_row;
1847 t = R->screen.text[r1 + row_offset]; 1984 }
1848 for (i = R->TermWin.ncol - 1; i >= 0; i--) 1985 else
1849 if (!isspace(t[i]))
1850 break;
1851 fprintf(fd, "%.*s\n", (i + 1), t);
1852 } 1986 {
1987 nrows = nrow;
1988 row_start = view_start;
1989 }
1990
1991 wctomb (0, 0);
1992
1993 for (int r1 = row_start; r1 < row_start + nrows; r1++)
1994 {
1995 text_t *tp = ROW(r1).t;
1996 int len = ROW(r1).l;
1997
1998 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
1999 {
2000 char mb[MB_LEN_MAX];
2001 text_t t = *tp++;
2002 if (t == NOCHAR)
2003 continue;
2004
2005 len = wctomb (mb, t);
2006
2007 if (len <= 0)
2008 {
2009 mb[0] = ' ';
2010 len = 1;
2011 }
2012
2013 fwrite (mb, 1, len, fd);
2014 }
2015
2016 fputc ('\n', fd);
2017 }
2018
1853 rxvt_pclose_printer(fd); 2019 pclose_printer (fd);
1854#endif 2020#endif
1855} 2021}
1856 2022
1857/* ------------------------------------------------------------------------- */ 2023/* ------------------------------------------------------------------------- */
1858/* 2024/*
1859 * Refresh the screen 2025 * Refresh the screen
1860 * R->drawn_text/R->drawn_rend contain the screen information before the update. 2026 * drawn_text/drawn_rend contain the screen information before the update.
1861 * R->screen.text/R->screen.rend contain what the screen will change to. 2027 * screen.text/screen.rend contain what the screen will change to.
2028 */
2029void
2030rxvt_term::scr_refresh () NOTHROW
2031{
2032 int16_t col, row, /* column/row we're processing */
2033 ocrow; /* old cursor row */
2034 int i; /* tmp */
2035#ifndef NO_CURSORCOLOR
2036 rend_t cc1; /* store colours at cursor position (s) */
2037#endif
2038 rend_t *crp; // cursor rendition pointer
2039 rend_t ccol1, /* Cursor colour */
2040 ccol2; /* Cursor colour2 */
2041
2042 want_refresh = 0; /* screen is current */
2043
2044 if (refresh_type == NO_REFRESH || !mapped)
2045 return;
2046
2047 /*
2048 * A: set up vars
1862 */ 2049 */
2050 refresh_count = 0;
1863 2051
1864#if defined (NO_BRIGHTCOLOR) || defined (VERYBOLD) 2052 unsigned int old_screen_flags = screen.flags;
1865# define MONO_BOLD(x) ((x) & (RS_Bold|RS_Blink)) 2053 char have_bg = 0;
1866# define MONO_BOLD_FG(x, fg) MONO_BOLD(x) 2054#ifdef HAVE_BG_PIXMAP
2055 have_bg = bg_pixmap != None;
2056#endif
2057 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2058
2059 /*
2060 * B: reverse any characters which are selected
2061 */
2062 scr_reverse_selection ();
2063
2064 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2065#if ENABLE_OVERLAY
2066 scr_swap_overlay ();
2067#endif
2068
2069 char showcursor = screen.flags & Screen_VisibleCursor;
2070
2071 /*
2072 * C: set the cursor character (s)
2073 */
2074 {
2075 unsigned char setoldcursor;
2076
2077#ifdef CURSOR_BLINK
2078 if (hidden_cursor)
2079 showcursor = 0;
2080#endif
2081
2082 if (showcursor)
2083 {
2084 int col = screen.cur.col;
2085
2086 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2087 col--;
2088
2089 crp = &ROW(screen.cur.row).r[col];
2090
2091#ifndef NO_CURSORCOLOR
2092 cc1 = *crp & (RS_fgMask | RS_bgMask);
2093 if (ISSET_PIXCOLOR (Color_cursor))
2094 ccol1 = Color_cursor;
2095 else
2096#endif
2097#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2098 ccol1 = fgcolor_of (rstyle);
1867#else 2099#else
1868# define MONO_BOLD(x) \ 2100 ccol1 = Color_fg;
1869 (((x) & (RS_Bold | RS_fgMask)) == (RS_Bold | Color_fg))
1870# define MONO_BOLD_FG(x, fg) (((x) & RS_Bold) && (fg) == Color_fg)
1871#endif 2101#endif
1872 2102
1873#define FONT_WIDTH(X, Y) \
1874 (X)->per_char[(Y) - (X)->min_char_or_byte2].width
1875#define FONT_RBEAR(X, Y) \
1876 (X)->per_char[(Y) - (X)->min_char_or_byte2].rbearing
1877#define FONT_LBEAR(X, Y) \
1878 (X)->per_char[(Y) - (X)->min_char_or_byte2].lbearing
1879#define IS_FONT_CHAR(X, Y) \
1880 ((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2)
1881
1882void
1883rxvt_term::scr_refresh (unsigned char refresh_type)
1884{
1885 unsigned char clearfirst, /* first character writes before cell */
1886 clearlast, /* last character writes beyond cell */
1887 must_clear, /* use draw_string not draw_image_string */
1888#ifndef NO_BOLDFONT
1889 bfont, /* we've changed font to bold font */
1890#endif
1891 rvid, /* reverse video this position */
1892 wbyte, /* we're in multibyte */
1893 showcursor; /* show the cursor */
1894 int fore, back; /* desired foreground/background */
1895 int16_t col, row, /* column/row we're processing */
1896 ocrow; /* old cursor row */
1897 int cursorwidth;
1898 int i, /* tmp */
1899 row_offset; /* basic offset in screen structure */
1900#ifndef NO_CURSORCOLOR 2103#ifndef NO_CURSORCOLOR
1901 rend_t cc1; /* store colours at cursor position(s) */
1902 rend_t cc2; /* store colours at cursor position(s) */
1903#endif
1904 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */
1905 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */
1906
1907 if (refresh_type == NO_REFRESH || !TermWin.mapped)
1908 return;
1909
1910 /*
1911 * A: set up vars
1912 */
1913 clearfirst = clearlast = must_clear = wbyte = 0;
1914#ifndef NO_BOLDFONT
1915 bfont = 0;
1916#endif
1917
1918 if (currmaxcol < TermWin.ncol)
1919 {
1920 currmaxcol = TermWin.ncol;
1921 buffer = (char *)rxvt_realloc (buffer,
1922 sizeof(char) * (currmaxcol + 1) * MB_CUR_MAX);
1923 }
1924
1925 refresh_count = 0;
1926
1927 row_offset = TermWin.saveLines - TermWin.view_start;
1928
1929 if ((refresh_type & REFRESH_BOUNDS))
1930 {
1931 clearfirst = clearlast = 1;
1932 refresh_type &= ~REFRESH_BOUNDS;
1933 }
1934
1935#if defined(XPM_BACKGROUND)
1936 must_clear |= (bgPixmap.pixmap != None);
1937#endif
1938#if defined(TRANSPARENT)
1939 must_clear |= ((Options & Opt_transparent) && am_transparent);
1940#endif
1941 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1942
1943 /*
1944 * B: reverse any characters which are selected
1945 */
1946 rxvt_scr_reverse_selection (this);
1947
1948 /*
1949 * C: set the cursor character(s)
1950 */
1951 {
1952 unsigned char setoldcursor;
1953 rend_t ccol1, /* Cursor colour */
1954 ccol2; /* Cursor colour2 */
1955
1956 showcursor = (screen.flags & Screen_VisibleCursor);
1957 cursorwidth = 0;
1958#ifdef CURSOR_BLINK
1959 if (hidden_cursor)
1960 showcursor = 0;
1961#endif
1962
1963 cursorwidth = 0;
1964
1965 if (showcursor)
1966 {
1967 cursorwidth++;
1968
1969 srp = &(screen.rend[screen.cur.row + TermWin.saveLines]
1970 [screen.cur.col]);
1971
1972 if (showcursor && TermWin.focus)
1973 {
1974 *srp ^= RS_RVid;
1975#ifndef NO_CURSORCOLOR
1976 cc1 = *srp & (RS_fgMask | RS_bgMask);
1977 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_cursor)) 2104 if (ISSET_PIXCOLOR (Color_cursor2))
1978 ccol1 = Color_cursor; 2105 ccol2 = Color_cursor2;
1979 else 2106 else
2107#endif
1980#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2108#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1981 ccol1 = GET_FGCOLOR(rstyle); 2109 ccol2 = bgcolor_of (rstyle);
1982#else 2110#else
1983 ccol1 = Color_fg; 2111 ccol2 = Color_bg;
1984#endif 2112#endif
1985 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_cursor2)) 2113
1986 ccol2 = Color_cursor2; 2114 if (focus)
2115 {
2116 if (option (Opt_cursorUnderline))
2117 *crp ^= RS_Uline;
1987 else 2118 else
1988#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2119 {
1989 ccol2 = GET_BGCOLOR(rstyle); 2120 *crp ^= RS_RVid;
1990#else
1991 ccol2 = Color_bg;
1992#endif
1993 *srp = SET_FGCOLOR(*srp, ccol1); 2121 *crp = SET_FGCOLOR (*crp, ccol1);
1994 *srp = SET_BGCOLOR(*srp, ccol2); 2122 *crp = SET_BGCOLOR (*crp, ccol2);
1995#endif
1996 }
1997
1998 while (IS_WIDE (*srp))
1999 cursorwidth++, srp++;
2000 }
2001
2002 /* make sure no outline cursor is left around */
2003 setoldcursor = 0;
2004 if (ocrow != -1) {
2005 if (screen.cur.row + TermWin.view_start != ocrow
2006 || screen.cur.col != oldcursor.col) {
2007 if (ocrow < TermWin.nrow
2008 && oldcursor.col < TermWin.ncol) {
2009 drawn_rend[ocrow][oldcursor.col] ^= (RS_RVid | RS_Uline);
2010 } 2123 }
2011 if (TermWin.focus || !showcursor)
2012 oldcursor.row = -1;
2013 else
2014 setoldcursor = 1;
2015 }
2016 } else if (!TermWin.focus)
2017 setoldcursor = 1;
2018 if (setoldcursor) {
2019 if (screen.cur.row + TermWin.view_start >= TermWin.nrow)
2020 oldcursor.row = -1;
2021 else {
2022 oldcursor.row = screen.cur.row + TermWin.view_start;
2023 oldcursor.col = screen.cur.col;
2024 } 2124 }
2025 } 2125 }
2126
2127 /* make sure no outline cursor is left around */
2128 setoldcursor = 0;
2129 if (ocrow != -1)
2130 {
2131 if (screen.cur.row - view_start != ocrow
2132 || screen.cur.col != oldcursor.col)
2133 {
2134 if (ocrow < nrow
2135 && oldcursor.col < ncol)
2136 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2137
2138 if (focus || !showcursor)
2139 oldcursor.row = -1;
2140 else
2141 setoldcursor = 1;
2142 }
2026 } 2143 }
2144 else if (!focus)
2145 setoldcursor = 1;
2146
2147 if (setoldcursor)
2148 {
2149 if (screen.cur.row - view_start >= nrow)
2150 oldcursor.row = -1;
2151 else
2152 {
2153 oldcursor.row = screen.cur.row - view_start;
2154 oldcursor.col = screen.cur.col;
2155 }
2156 }
2157 }
2027 2158
2028#ifndef NO_SLOW_LINK_SUPPORT 2159#ifndef NO_SLOW_LINK_SUPPORT
2029 /* 2160 /*
2030 * D: CopyArea pass - very useful for slower links 2161 * D: CopyArea pass - very useful for slower links
2031 * This has been deliberately kept simple. 2162 * This has been deliberately kept simple.
2032 */ 2163 */
2033 i = num_scr; 2164 if (!display->is_local
2034 if (refresh_type == FAST_REFRESH && num_scr_allow && i 2165 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2035 && abs(i) < TermWin.nrow && !must_clear) 2166 && abs (num_scr) < nrow && !have_bg)
2036 { 2167 {
2037 int16_t nits; 2168 int16_t nits;
2038 int j; 2169 int i = num_scr;
2039 rend_t *drp2; 2170 int j;
2040 text_t *dtp2; 2171 int len, wlen;
2041 int len, wlen; 2172 dLocal (int, num_scr);
2042 2173
2043 j = TermWin.nrow; 2174 j = nrow;
2044 wlen = len = -1; 2175 wlen = len = -1;
2045 row = i > 0 ? 0 : j - 1; 2176 row = i > 0 ? 0 : j - 1;
2177
2046 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2178 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2047 { 2179 {
2048 if (row + i >= 0 && row + i < TermWin.nrow && row + i != ocrow) 2180 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2049 { 2181 {
2050 stp = screen.text[row + row_offset]; 2182 line_t s = ROW(view_start + row);
2051 srp = screen.rend[row + row_offset];
2052 dtp = drawn_text[row]; 2183 line_t d = drawn_buf[row];
2053 dtp2 = drawn_text[row + i]; 2184 line_t d2 = drawn_buf[row + i];
2054 drp = drawn_rend[row];
2055 drp2 = drawn_rend[row + i];
2056 2185
2057 for (nits = 0, col = TermWin.ncol; col--; ) 2186 for (nits = 0, col = ncol; col--; )
2058 if (stp[col] != dtp2[col] || srp[col] != drp2[col]) 2187 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
2059 nits--; 2188 nits--;
2060 else if (stp[col] != dtp[col] || srp[col] != drp[col]) 2189 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
2061 nits++; 2190 nits++;
2062 2191
2063 if (nits > 8) /* XXX: arbitrary choice */ 2192 if (nits > 8) /* XXX: arbitrary choice */
2193 {
2194 for (col = ncol; col--; )
2195 {
2196 *d.t++ = *d2.t++;
2197 *d.r++ = *d2.r++;
2198 }
2199
2200 if (len == -1)
2201 len = row;
2202
2203 wlen = row;
2204 continue;
2205 }
2206 }
2207
2208 if (len >= 0)
2209 {
2210 /* also comes here at end if needed because of >= above */
2211 if (wlen < len)
2212 ::swap (wlen, len);
2213
2214 XGCValues gcv;
2215
2216 gcv.graphics_exposures = 1; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2217 XCopyArea (dpy, vt, vt,
2218 gc, 0, Row2Pixel (len + i),
2219 (unsigned int)this->width,
2220 (unsigned int)Height2Pixel (wlen - len + 1),
2221 0, Row2Pixel (len));
2222 gcv.graphics_exposures = 0; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2223
2224 len = -1;
2225 }
2226 }
2227 }
2228#endif
2229
2230 /*
2231 * E: main pass across every character
2232 */
2233 for (row = 0; row < nrow; row++)
2234 {
2235 text_t *stp = ROW(view_start + row).t;
2236 rend_t *srp = ROW(view_start + row).r;
2237 text_t *dtp = drawn_buf[row].t;
2238 rend_t *drp = drawn_buf[row].r;
2239
2240 /*
2241 * E2: OK, now the real pass
2242 */
2243 int ypixel = (int)Row2Pixel (row);
2244
2245 for (col = 0; col < ncol; col++)
2246 {
2247 /* compare new text with old - if exactly the same then continue */
2248 if (stp[col] == dtp[col] /* Must match characters to skip. */
2249 && (RS_SAME (srp[col], drp[col]) /* Either rendition the same or */
2250 || (stp[col] == ' ' /* space w/ no background change */
2251 && GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2252 continue;
2253
2254 // redraw one or more characters
2255
2256 // seek to the beginning of wide characters
2257 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2258 --col;
2259
2260 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2261 text_t *text = stp + col;
2262 int count = 1;
2263
2264 dtp[col] = stp[col];
2265 drp[col] = rend;
2266
2267 int xpixel = Col2Pixel (col);
2268
2269 for (i = 0; ++col < ncol; )
2270 {
2271 if (stp[col] == NOCHAR)
2272 {
2273 dtp[col] = stp[col];
2274 drp[col] = srp[col];
2275
2276 count++;
2277 i++;
2278
2279 continue;
2280 }
2281
2282 if (!RS_SAME (rend, srp[col]))
2283 break;
2284
2285 count++;
2286
2287 if (stp[col] != dtp[col]
2288 || !RS_SAME (srp[col], drp[col]))
2289 {
2290 if (have_bg && (i++ > count / 2))
2291 break;
2292
2293 dtp[col] = stp[col];
2294 drp[col] = rend;
2295 i = 0;
2296 }
2297 else if (have_bg || (stp[col] != ' ' && ++i >= 16))
2298 break;
2299 }
2300
2301 col--; /* went one too far. move back */
2302 count -= i; /* dump any matching trailing chars */
2303
2304 // sometimes we optimize away the trailing NOCHAR's, add them back
2305 while (ecb_unlikely (i && text[count] == NOCHAR))
2306 count++, i--;
2307
2308 /*
2309 * Determine the attributes for the string
2310 */
2311 int fore = fgcolor_of (rend); // desired foreground
2312 int back = bgcolor_of (rend); // desired background
2313
2314 // only do special processing if any attributes are set, which is unlikely
2315 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2316 {
2317 bool invert = rend & RS_RVid;
2318
2319#ifndef NO_BOLD_UNDERLINE_REVERSE
2320 if (rend & RS_Bold && fore == Color_fg)
2321 {
2322 if (ISSET_PIXCOLOR (Color_BD))
2323 fore = Color_BD;
2324# if !ENABLE_STYLES
2325 else
2326 invert = !invert;
2327# endif
2328 }
2329
2330 if (rend & RS_Italic && fore == Color_fg)
2331 {
2332 if (ISSET_PIXCOLOR (Color_IT))
2333 fore = Color_IT;
2334# if !ENABLE_STYLES
2335 else
2336 invert = !invert;
2337# endif
2338 }
2339
2340 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2341 fore = Color_UL;
2342#endif
2343
2344#ifdef OPTION_HC
2345 if (rend & RS_Sel)
2346 {
2347 /* invert the column if no highlightColor is set or it is the
2348 * current cursor column */
2349 if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2350 && ISSET_PIXCOLOR (Color_HC))
2351 {
2352 if (ISSET_PIXCOLOR (Color_HTC))
2353 fore = Color_HTC;
2354 // if invert is 0 reverse video is set so we use bg color as fg color
2355 else if (!invert)
2356 fore = back;
2357
2358 back = Color_HC;
2359 invert = 0;
2360 }
2361 }
2362#endif
2363
2364 if (invert)
2365 {
2366 ::swap (fore, back);
2367
2368#ifndef NO_BOLD_UNDERLINE_REVERSE
2369 if (fore == back)
2370 {
2371 fore = Color_bg;
2372 back = Color_fg;
2373 }
2374#endif
2375 }
2376
2377#ifdef TEXT_BLINK
2378 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2379 {
2380 if (!text_blink_ev.is_active ())
2381 {
2382 text_blink_ev.again ();
2383 hidden_text = 0;
2384 }
2385 else if (hidden_text)
2386 fore = back;
2387 }
2388#endif
2389
2390#if ENABLE_STYLES
2391 // "careful" (too wide) character handling
2392
2393 // include previous careful character(s) if possible, looks nicer (best effort...)
2394 while (text > stp
2395 && srp[text - stp - 1] & RS_Careful
2396 && RS_SAME (rend, srp[text - stp - 1]))
2397 text--, count++, xpixel -= fwidth;
2398
2399 // force redraw after "careful" characters to avoid pixel droppings
2400 for (int i = 0; srp[col + i] & RS_Careful && col + i < ncol - 1; i++)
2401 drp[col + i + 1] = srp[col + i + 1] ^ RS_redraw;
2402
2403 // force redraw before "careful" characters to avoid pixel droppings
2404 for (int i = 0; srp[text - stp - i] & RS_Careful && text - i > stp; i++)
2405 drp[text - stp - i - 1] = srp[text - stp - i - 1] ^ RS_redraw;
2406#endif
2407 }
2408
2409 /*
2410 * Actually do the drawing of the string here
2411 */
2412 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2413
2414 if (ecb_likely (have_bg && back == Color_bg))
2415 {
2416 // this is very ugly, maybe push it into ->draw?
2417
2418 for (i = 0; i < count; i++) /* don't draw empty strings */
2419 if (text[i] != ' ')
2064 { 2420 {
2065 for (col = TermWin.ncol; col--; ) 2421 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent);
2066 { 2422 goto did_clear;
2067 *dtp++ = *dtp2++;
2068 *drp++ = *drp2++;
2069 }
2070
2071 if (len == -1)
2072 len = row;
2073
2074 wlen = row;
2075 continue;
2076 } 2423 }
2424
2425 CLEAR_CHARS (xpixel, ypixel, count);
2426 did_clear: ;
2077 } 2427 }
2428 else
2429 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2078 2430
2079 if (len != -1) 2431 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2080 { 2432 {
2081 /* also comes here at end if needed because of >= above */ 2433#if ENABLE_FRILLS
2082 if (wlen < len) 2434 if (ISSET_PIXCOLOR (Color_underline))
2083 SWAP_IT(wlen, len, int); 2435 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2084
2085 D_SCREEN((stderr, "rxvt_scr_refresh(): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1));
2086 XCopyArea (Xdisplay, TermWin.vt, TermWin.vt,
2087 TermWin.gc, 0, Row2Pixel (len + i),
2088 (unsigned int)TermWin_TotalWidth (),
2089 (unsigned int)Height2Pixel (wlen - len + 1),
2090 0, Row2Pixel (len));
2091 len = -1;
2092 }
2093 }
2094 }
2095#endif
2096
2097 /*
2098 * E: main pass across every character
2099 */
2100 for (row = 0; row < TermWin.nrow; row++)
2101 {
2102 stp = screen.text[row + row_offset];
2103 srp = screen.rend[row + row_offset];
2104 dtp = drawn_text[row];
2105 drp = drawn_rend[row];
2106
2107 /*
2108 * E2: OK, now the real pass
2109 */
2110 int ypixel = (int)Row2Pixel(row);
2111
2112 for (col = 0; col < TermWin.ncol; col++)
2113 {
2114 /* compare new text with old - if exactly the same then continue */
2115 rend_t rend = srp[col]; /* screen rendition (target rendtion) */
2116
2117 if (stp[col] == dtp[col] /* Must match characters to skip. */
2118 && (rend == drp[col] /* Either rendition the same or */
2119 || (stp[col] == ' ' /* space w/ no background change */
2120 && GET_BGATTR(rend) == GET_BGATTR(drp[col]))))
2121 continue;
2122
2123 text_t *text = stp + col;
2124 int count = 1;
2125
2126 /* redraw one or more characters */
2127
2128 dtp[col] = stp[col];
2129 drp[col] = rend;
2130
2131 if (*text == NOCHAR) // never start redrawing at invisible characters. */
2132 continue;
2133
2134 int xpixel = Col2Pixel(col);
2135
2136 // this loop looks very messy, it can probably be optimized
2137 // and cleaned a bit by you?
2138 for (i = 0; ++col < TermWin.ncol; )
2139 {
2140 if (stp[col] == NOCHAR)
2141 {
2142 dtp[col] = stp[col];
2143 drp[col] = rend;
2144 count++;
2145
2146 if (i) // only possible skip if char unchanged
2147 i++;
2148
2149 continue;
2150 }
2151
2152 if (((rend ^ srp[col]) & ~RS_wide) != 0)
2153 break;
2154
2155 count++;
2156
2157 if (stp[col] != dtp[col]
2158 || srp[col] != drp[col])
2159 {
2160 if (must_clear && (i++ > (count / 2)))
2161 break;
2162
2163 dtp[col] = stp[col];
2164 drp[col] = rend;
2165 i = 0;
2166 }
2167 else if (must_clear || (stp[col] != ' ' && ++i >= 32))
2168 break;
2169 }
2170
2171 col--; /* went one too far. move back */
2172 count -= i; /* dump any matching trailing chars */
2173
2174 /*
2175 * Determine the attributes for the string
2176 */
2177 int fid = GET_FONT(rend);
2178 fore = GET_FGCOLOR(rend);
2179 back = GET_BGCOLOR(rend);
2180 rend = GET_ATTR(rend);
2181
2182 rvid = (rend & RS_RVid) ? 1 : 0;
2183#ifdef OPTION_HC
2184 if (!rvid && (rend & RS_Blink))
2185 {
2186 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_HC))
2187 back = Color_HC;
2188 else 2436 else
2189 rvid = !rvid; /* fall back */ 2437#endif
2438 XSetForeground (dpy, gc, pix_colors[fore]);
2439
2440 XDrawLine (dpy, vt, gc,
2441 xpixel, ypixel + font->ascent + 1,
2442 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2190 } 2443 }
2191#endif 2444 } /* for (col....) */
2192 if (rvid) 2445 } /* for (row....) */
2446
2447 /*
2448 * G: cleanup cursor and display outline cursor if necessary
2449 */
2450 if (showcursor)
2451 {
2452 if (focus)
2453 {
2454 if (option (Opt_cursorUnderline))
2455 *crp ^= RS_Uline;
2456 else
2193 { 2457 {
2194 SWAP_IT(fore, back, int); 2458 *crp ^= RS_RVid;
2195
2196#ifndef NO_BOLD_UNDERLINE_REVERSE
2197 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_RV)
2198# ifndef NO_CURSORCOLOR 2459#ifndef NO_CURSORCOLOR
2460 *crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1;
2461#endif
2462 }
2463 }
2464 else if (oldcursor.row >= 0)
2465 {
2466 int cursorwidth = 1;
2467 int col = oldcursor.col;
2468
2469 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2470 col--;
2471
2472 while (col + cursorwidth < ncol
2473 && drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2474 cursorwidth++;
2475
2476#ifndef NO_CURSORCOLOR
2199 && !ISSET_PIXCOLOR (this, Color_cursor) 2477 if (ISSET_PIXCOLOR (Color_cursor))
2478 XSetForeground (dpy, gc, pix_colors[Color_cursor]);
2479 else
2480#endif
2481 XSetForeground (dpy, gc, pix_colors[ccol1]);
2482
2483 XDrawRectangle (dpy, vt, gc,
2484 Col2Pixel (col),
2485 Row2Pixel (oldcursor.row),
2486 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2487 (unsigned int) (Height2Pixel (1) - lineSpace - 1));
2488 }
2489 }
2490
2491 /*
2492 * H: cleanup selection
2493 */
2494#if ENABLE_OVERLAY
2495 scr_swap_overlay ();
2496#endif
2497 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2498
2499 scr_reverse_selection ();
2500
2501 screen.flags = old_screen_flags;
2502 num_scr = 0;
2503 num_scr_allow = 1;
2504}
2505
2506void
2507rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2508{
2509 if (!l.t)
2510 return;
2511
2512 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2513
2514 for (int i = ncol; i--; )
2515 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2516}
2517
2518void
2519rxvt_term::scr_remap_chars () NOTHROW
2520{
2521 for (int i = total_rows; i--; )
2522 scr_remap_chars (row_buf [i]);
2523
2524 for (int i = nrow; i--; )
2525 {
2526 scr_remap_chars (drawn_buf [i]);
2527 scr_remap_chars (swap_buf [i]);
2528 }
2529}
2530
2531void
2532rxvt_term::scr_recolour (bool refresh) NOTHROW
2533{
2534 bool transparent = false;
2535
2536#ifdef HAVE_BG_PIXMAP
2537 if (bg_pixmap != None)
2538 {
2539# ifdef ENABLE_TRANSPARENCY
2540 if (bg_flags & BG_IS_TRANSPARENT)
2541 {
2542 XSetWindowBackgroundPixmap (dpy, parent, bg_pixmap);
2543 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2544
2545 transparent = true;
2546 }
2547 else
2200# endif 2548# endif
2201 )
2202 back = Color_RV;
2203#endif
2204 }
2205#ifndef NO_BOLD_UNDERLINE_REVERSE
2206 else if (rend & RS_Bold)
2207 { 2549 {
2208 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_BD)) 2550 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2209 { 2551 XSetWindowBackgroundPixmap (dpy, vt, bg_pixmap);
2210 fore = Color_BD; 2552 }
2211# ifndef VERYBOLD 2553 }
2212 rend &= ~RS_Bold; /* we've taken care of it */ 2554 else
2213# endif 2555#endif
2214 }
2215 }
2216 else if (rend & RS_Uline)
2217 {
2218 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_UL))
2219 {
2220 fore = Color_UL;
2221 rend &= ~RS_Uline; /* we've taken care of it */
2222 }
2223 }
2224#endif
2225
2226 /*
2227 * Actually do the drawing of the string here
2228 */
2229 rxvt_font *font = (*TermWin.fontset)[fid];
2230
2231 if (back == Color_bg)
2232 {
2233 if (must_clear)
2234 {
2235 for (i = 0; i < count; i++) /* don't draw empty strings */
2236 if (text[i] != ' ')
2237 {
2238 font->draw (xpixel, ypixel, text, count, fore, -1);
2239 goto nodraw;
2240 }
2241
2242 CLEAR_CHARS (xpixel, ypixel, count);
2243nodraw: ;
2244 }
2245 else
2246 font->draw (xpixel, ypixel, text, count, fore, Color_bg);
2247 }
2248 else
2249 font->draw (xpixel, ypixel, text, count, fore, back);
2250
2251 if ((rend & RS_Uline) && (font->descent > 1))
2252 XDrawLine(Xdisplay, drawBuffer, TermWin.gc,
2253 xpixel, ypixel + font->ascent + 1,
2254 xpixel + Width2Pixel(count) - 1, ypixel + font->ascent + 1);
2255 } /* for (col....) */
2256 } /* for (row....) */
2257
2258 /*
2259 * G: cleanup cursor and display outline cursor if necessary
2260 */
2261 if (showcursor) {
2262 if (TermWin.focus) {
2263 srp = &(screen.rend[screen.cur.row + TermWin.saveLines]
2264 [screen.cur.col]);
2265 *srp ^= RS_RVid;
2266#ifndef NO_CURSORCOLOR
2267 *srp = (*srp & ~(RS_fgMask | RS_bgMask)) | cc1;
2268#endif
2269 } else if (oldcursor.row >= 0) {
2270#ifndef NO_CURSORCOLOR
2271 unsigned long gcmask; /* Graphics Context mask */
2272
2273 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_cursor))
2274 XSetForeground (Xdisplay, TermWin.gc, PixColors[Color_cursor]);
2275#endif
2276 XDrawRectangle(Xdisplay, drawBuffer, TermWin.gc,
2277 Col2Pixel(oldcursor.col),
2278 Row2Pixel(oldcursor.row),
2279 (unsigned int)(Width2Pixel(cursorwidth) - 1),
2280 (unsigned int)(Height2Pixel(1) - TermWin.lineSpace - 1));
2281 }
2282 } 2556 {
2557 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2558 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2559 }
2283 2560
2284 /* 2561 XClearWindow (dpy, parent);
2285 * H: cleanup selection
2286 */
2287 rxvt_scr_reverse_selection (this);
2288 2562
2289 /* 2563 if (scrollBar.win)
2290 * I: other general cleanup 2564 {
2291 */ 2565 if (transparent)
2292 if (clearfirst && TermWin.int_bwidth) 2566 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2293 /* 2567 else
2294 * clear the whole screen height, note that width == 0 is treated 2568 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);
2295 * specially by XClearArea 2569 scrollBar.state = STATE_IDLE;
2296 */ 2570 scrollBar.show (0);
2297 XClearArea(Xdisplay, TermWin.vt, 0, 0, 2571 }
2298 (unsigned int)TermWin.int_bwidth,
2299 (unsigned int)TermWin_TotalHeight(), False);
2300 if (clearlast && TermWin.int_bwidth)
2301 /*
2302 * clear the whole screen height, note that width == 0 is treated
2303 * specially by XClearArea
2304 */
2305 XClearArea(Xdisplay, TermWin.vt,
2306 TermWin.width + TermWin.int_bwidth, 0,
2307 (unsigned int)TermWin.int_bwidth,
2308 (unsigned int)TermWin_TotalHeight(), False);
2309 if (refresh_type & SMOOTH_REFRESH)
2310 XSync(Xdisplay, False);
2311 2572
2312 num_scr = 0; 2573 if (refresh)
2313 num_scr_allow = 1; 2574 {
2314 want_refresh = 0; /* screen is current */ 2575 scr_clear ();
2576 scr_touch (true);
2577 }
2578 want_refresh = 1;
2315} 2579}
2316 2580
2317/* ------------------------------------------------------------------------- */ 2581/* ------------------------------------------------------------------------- */
2318void 2582void
2319rxvt_term::scr_clear() 2583rxvt_term::scr_clear (bool really) NOTHROW
2320{ 2584{
2321 if (!TermWin.mapped) 2585 if (!mapped)
2322 return; 2586 return;
2323 2587
2324 num_scr_allow = 0; 2588 num_scr_allow = 0;
2325 want_refresh = 1; 2589 want_refresh = 1;
2326#ifdef TRANSPARENT 2590
2327 if ((Options & Opt_transparent) && (am_pixmap_trans == 0)) 2591 if (really)
2592 XClearWindow (dpy, vt);
2593}
2594
2595void
2596rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW
2597{
2598 int view_end = view_start + nrow;
2599 int row, col;
2600
2601 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2602 {
2603 text_t *stp = ROW(row).t;
2604 rend_t *srp = ROW(row).r;
2605
2606 for (col = beg_col; col < end_col; col++)
2607 srp[col] ^= rstyle1;
2608
2609 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2610 srp[col] ^= rstyle2;
2611
2612 if (++col < end_col)
2613 srp[col] ^= rstyle2;
2328 { 2614 }
2329 int i; 2615}
2330 2616
2331 if (!(Options & Opt_transparent_all)) 2617void
2618rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW
2619{
2620 int view_end = view_start + nrow;
2621 int row, col;
2622
2623 if (beg_row >= view_start)
2624 {
2625 col = beg_col;
2626 row = beg_row;
2627 }
2628 else
2629 {
2332 i = 0; 2630 col = 0;
2631 row = view_start;
2632 }
2633
2634 for (; row < min (end_row, view_end); row++, col = 0)
2635 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2636 srp[col] ^= rstyle;
2637
2638 if (row == end_row)
2639 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2640 srp[col] ^= rstyle;
2641}
2642
2643/* ------------------------------------------------------------------------- */
2644void
2645rxvt_term::scr_reverse_selection () NOTHROW
2646{
2647 if (selection.op
2648 && current_screen == selection.screen
2649 && selection.end.row >= view_start)
2650 {
2651#if !ENABLE_MINIMAL
2652 if (selection.rect)
2653 scr_xor_rect (selection.beg.row, selection.beg.col,
2654 selection.end.row, selection.end.col,
2655 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2333 else 2656 else
2334 i = (int)(sizeof(TermWin.parent) / sizeof(Window));
2335
2336 while (i--)
2337 if (TermWin.parent[i] != None)
2338 XClearWindow(Xdisplay, TermWin.parent[i]);
2339 }
2340#endif 2657#endif
2341 2658 scr_xor_span (selection.beg.row, selection.beg.col,
2342 XClearWindow (Xdisplay, TermWin.vt); 2659 selection.end.row, selection.end.col,
2343} 2660 RS_Sel | RS_RVid);
2344
2345/* ------------------------------------------------------------------------- */
2346/* INTPROTO */
2347void
2348rxvt_scr_reverse_selection(pR)
2349{
2350 int i, col, row, end_row;
2351 rend_t *srp;
2352
2353 if (R->selection.op && R->current_screen == R->selection.screen) {
2354 end_row = R->TermWin.saveLines - R->TermWin.view_start;
2355 i = R->selection.beg.row + R->TermWin.saveLines;
2356 row = R->selection.end.row + R->TermWin.saveLines;
2357 if (i >= end_row)
2358 col = R->selection.beg.col;
2359 else {
2360 col = 0;
2361 i = end_row;
2362 }
2363 end_row += R->TermWin.nrow;
2364 for (; i < row && i < end_row; i++, col = 0)
2365 for (srp = R->screen.rend[i]; col < R->TermWin.ncol; col++)
2366#ifndef OPTION_HC
2367 srp[col] ^= RS_RVid;
2368#else
2369 srp[col] ^= RS_Blink;
2370#endif
2371 if (i == row && i < end_row)
2372 for (srp = R->screen.rend[i]; col < R->selection.end.col; col++)
2373#ifndef OPTION_HC
2374 srp[col] ^= RS_RVid;
2375#else
2376 srp[col] ^= RS_Blink;
2377#endif
2378 } 2661 }
2379} 2662}
2380 2663
2381/* ------------------------------------------------------------------------- */ 2664/* ------------------------------------------------------------------------- */
2382/* 2665/*
2383 * Dump the whole scrollback and screen to the passed filedescriptor. The 2666 * Dump the whole scrollback and screen to the passed filedescriptor. The
2384 * invoking routine must close the fd. 2667 * invoking routine must close the fd.
2385 */ 2668 */
2386#if 0 2669#if 0
2387/* EXTPROTO */
2388void 2670void
2389rxvt_scr_dump(pR_ int fd) 2671rxvt_term::scr_dump (int fd) NOTHROW
2390{ 2672{
2391 int row, wrote; 2673 int row, wrote;
2392 unsigned int width, towrite; 2674 unsigned int width, towrite;
2393 char r1[] = "\n"; 2675 const char r1[] = "\n";
2394 2676
2395 for (row = R->TermWin.saveLines - R->TermWin.nscrolled; 2677 for (row = saveLines + top_row;
2396 row < R->TermWin.saveLines + R->TermWin.nrow - 1; row++) { 2678 row < saveLines + nrow - 1; row++)
2397 width = R->screen.tlen[row] >= 0 ? R->screen.tlen[row] 2679 {
2398 : R->TermWin.ncol; 2680 width = row_buf[row].l >= 0 ? row_buf[row].l
2681 : ncol;
2399 for (towrite = width; towrite; towrite -= wrote) { 2682 for (towrite = width; towrite; towrite -= wrote)
2683 {
2400 wrote = write(fd, &(R->screen.text[row][width - towrite]), 2684 wrote = write (fd, & (row_buf[row].t[width - towrite]),
2401 towrite); 2685 towrite);
2402 if (wrote < 0) 2686 if (wrote < 0)
2403 return; /* XXX: death, no report */ 2687 return; /* XXX: death, no report */
2404 } 2688 }
2405 if (R->screen.tlen[row] >= 0) 2689 if (row_buf[row].l >= 0)
2406 if (write(fd, r1, 1) <= 0) 2690 if (write (fd, r1, 1) <= 0)
2407 return; /* XXX: death, no report */ 2691 return; /* XXX: death, no report */
2408 } 2692 }
2409} 2693}
2410#endif 2694#endif
2411 2695
2412/* ------------------------------------------------------------------------- * 2696/* ------------------------------------------------------------------------- *
2413 * CHARACTER SELECTION * 2697 * CHARACTER SELECTION *
2414 * ------------------------------------------------------------------------- */ 2698 * ------------------------------------------------------------------------- */
2415
2416/*
2417 * -R->TermWin.nscrolled <= (selection row) <= R->TermWin.nrow - 1
2418 */
2419/* EXTPROTO */
2420void 2699void
2421rxvt_selection_check(pR_ int check_more) 2700rxvt_term::selection_check (int check_more) NOTHROW
2422{ 2701{
2423 row_col_t pos; 2702 row_col_t pos;
2424 2703
2425 if (!R->selection.op) 2704 if (!selection.op)
2426 return; 2705 return;
2427 2706
2428 pos.row = pos.col = 0; 2707 pos.row = pos.col = 0;
2429 if ((R->selection.beg.row < -(int32_t)R->TermWin.nscrolled) 2708 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2430 || (R->selection.beg.row >= R->TermWin.nrow) 2709 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2431 || (R->selection.mark.row < -(int32_t)R->TermWin.nscrolled) 2710 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2432 || (R->selection.mark.row >= R->TermWin.nrow)
2433 || (R->selection.end.row < -(int32_t)R->TermWin.nscrolled)
2434 || (R->selection.end.row >= R->TermWin.nrow)
2435 || (check_more == 1 2711 || (check_more == 1
2436 && R->current_screen == R->selection.screen 2712 && current_screen == selection.screen
2437 && !ROWCOL_IS_BEFORE(R->screen.cur, R->selection.beg) 2713 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2438 && ROWCOL_IS_BEFORE(R->screen.cur, R->selection.end)) 2714 && ROWCOL_IS_BEFORE (screen.cur, selection.end))
2439 || (check_more == 2 2715 || (check_more == 2
2440 && ROWCOL_IS_BEFORE(R->selection.beg, pos) 2716 && ROWCOL_IS_BEFORE (selection.beg, pos)
2441 && ROWCOL_IS_AFTER(R->selection.end, pos)) 2717 && ROWCOL_IS_AFTER (selection.end, pos))
2442 || (check_more == 3 2718 || (check_more == 3
2443 && ROWCOL_IS_AFTER(R->selection.end, pos)) 2719 && ROWCOL_IS_AFTER (selection.end, pos))
2444 || (check_more == 4 /* screen width change */ 2720 || (check_more == 4 /* screen width change */
2445 && (R->selection.beg.row != R->selection.end.row 2721 && (selection.beg.row != selection.end.row
2446 || R->selection.end.col > R->TermWin.ncol))) 2722 || selection.end.col > ncol)))
2447 CLEAR_SELECTION(R); 2723 CLEAR_SELECTION ();
2448} 2724}
2449 2725
2450/* ------------------------------------------------------------------------- */ 2726/* ------------------------------------------------------------------------- */
2451/* 2727/*
2452 * Paste a selection direct to the command fd 2728 * Paste a selection direct to the command fd
2453 */ 2729 */
2454void 2730void
2455rxvt_term::paste (const unsigned char *data, unsigned int len) 2731rxvt_term::tt_paste (char *data, unsigned int len) NOTHROW
2456{ 2732{
2457 unsigned int i, j, n;
2458 unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE);
2459
2460#if 0
2461 /* a paste should act like the user is typing, so check scrollTtyKeypress */
2462 ZERO_SCROLLBACK (r);
2463#endif
2464
2465 /* convert normal newline chars into common keyboard Return key sequence */ 2733 /* convert normal newline chars into common keyboard Return key sequence */
2466 for (i = 0; i < len; i += PROP_SIZE) 2734 for (unsigned int i = 0; i < len; i++)
2467 { 2735 if (data[i] == C0_LF)
2468 n = min (len - i, PROP_SIZE); 2736 data[i] = C0_CR;
2469 MEMCPY (ds, data + i, n);
2470 2737
2471 for (j = 0; j < n; j++) 2738 if (priv_modes & PrivMode_BracketPaste)
2472 if (ds[j] == '\n') 2739 tt_printf ("\e[200~");
2473 ds[j] = '\r';
2474 2740
2475 tt_write (ds, (int)n); 2741 tt_write (data, len);
2476 }
2477 2742
2478 free(ds); 2743 if (priv_modes & PrivMode_BracketPaste)
2744 tt_printf ("\e[201~");
2479} 2745}
2480 2746
2481/* ------------------------------------------------------------------------- */ 2747void
2482/* 2748rxvt_term::paste (char *data, unsigned int len) NOTHROW
2483 * Respond to a notification that a primary selection has been sent
2484 * EXT: SelectionNotify
2485 */
2486/* EXTPROTO */
2487int
2488rxvt_selection_paste(pR_ Window win, Atom prop, Bool delete_prop)
2489{ 2749{
2490 long nread = 0; 2750 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2491 unsigned long bytes_after;
2492 XTextProperty ct;
2493 int dummy_count;
2494 char **cl;
2495
2496 D_SELECT((stderr, "rxvt_selection_paste(%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, R->selection_wait));
2497
2498 if (prop == None) /* check for failed XConvertSelection */
2499 {
2500 if ((R->selection_type & Sel_CompoundText))
2501 {
2502 int selnum = R->selection_type & Sel_whereMask;
2503
2504 R->selection_type = 0;
2505 if (selnum != Sel_direct)
2506 rxvt_selection_request_other(aR_ XA_STRING, selnum);
2507 }
2508
2509 return 0; 2751 return;
2510 }
2511 2752
2512 for (;;) 2753 tt_paste (data, len);
2513 {
2514 if (XGetWindowProperty(R->Xdisplay, win, prop, (long)(nread / 4),
2515 (long)(PROP_SIZE / 4), delete_prop,
2516 AnyPropertyType, &ct.encoding, &ct.format,
2517 &ct.nitems, &bytes_after,
2518 &ct.value) != Success)
2519 break;
2520
2521 if (ct.encoding == 0)
2522 {
2523 D_SELECT((stderr, "rxvt_selection_paste: property didn't exist!"));
2524 break;
2525 }
2526
2527 if (ct.value == NULL)
2528 {
2529 D_SELECT((stderr, "rxvt_selection_paste: property shooting blanks!"));
2530 continue;
2531 }
2532
2533 if (ct.nitems == 0)
2534 {
2535 D_SELECT((stderr, "rxvt_selection_paste: property empty - also INCR end"));
2536 if (R->selection_wait == Sel_normal && nread == 0)
2537 {
2538 /*
2539 * pass through again trying CUT_BUFFER0 if we've come from
2540 * XConvertSelection() but nothing was presented
2541 */
2542 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2543 rxvt_selection_paste (aR_ Xroot, XA_CUT_BUFFER0, False);
2544 }
2545
2546 nread = -1; /* discount any previous stuff */
2547 break;
2548 }
2549
2550 nread += ct.nitems;
2551 if (XmbTextPropertyToTextList (R->Xdisplay, &ct, &cl,
2552 &dummy_count) == Success && cl)
2553 {
2554 R->paste ((unsigned char *)cl[0], STRLEN (cl[0]));
2555 XFreeStringList (cl);
2556 }
2557 else
2558 R->paste (ct.value, ct.nitems);
2559
2560 if (bytes_after == 0)
2561 break;
2562
2563 XFree (ct.value);
2564 }
2565
2566 if (ct.value)
2567 XFree (ct.value);
2568
2569 if (R->selection_wait == Sel_normal)
2570 R->selection_wait = Sel_none;
2571
2572 D_SELECT((stderr, "rxvt_selection_paste: bytes written: %ld", nread));
2573 return (int)nread;
2574} 2754}
2575 2755
2576void
2577rxvt_term::incr_cb (time_watcher &w)
2578{
2579 w.stop ();
2580 selection_wait = Sel_none;
2581
2582 rxvt_print_error("data loss: timeout on INCR selection paste");
2583}
2584
2585/*
2586 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2587 */
2588/* EXTPROTO */
2589void
2590rxvt_selection_property(pR_ Window win, Atom prop)
2591{
2592 int reget_time = 0;
2593
2594 if (prop == None)
2595 return;
2596 D_SELECT((stderr, "rxvt_selection_property(%08lx, %lu)", win, (unsigned long)prop));
2597 if (R->selection_wait == Sel_normal) {
2598 int a, afmt;
2599 Atom atype;
2600 unsigned long bytes_after, nitems;
2601 unsigned char *s = NULL;
2602
2603 a = XGetWindowProperty(R->Xdisplay, win, prop, 0L, 1L, False,
2604 R->xa[XA_INCR], &atype, &afmt, &nitems,
2605 &bytes_after, &s);
2606 if (s)
2607 XFree(s);
2608 if (a != Success)
2609 return;
2610#ifndef __CYGWIN32__
2611 if (atype == R->xa[XA_INCR]) { /* start an INCR transfer */
2612 D_SELECT((stderr, "rxvt_selection_property: INCR: starting transfer"));
2613 XDeleteProperty(R->Xdisplay, win, prop);
2614 XFlush(R->Xdisplay);
2615 reget_time = 1;
2616 R->selection_wait = Sel_incr;
2617 }
2618#endif
2619 } else if (R->selection_wait == Sel_incr) {
2620 reget_time = 1;
2621 if (rxvt_selection_paste(aR_ win, prop, True) == -1) {
2622 D_SELECT((stderr, "rxvt_selection_property: INCR: clean end"));
2623 R->selection_wait = Sel_none;
2624 R->incr_ev.stop ();
2625 }
2626 }
2627 if (reget_time) /* received more data so reget time */
2628 R->incr_ev.start (NOW + 10);
2629}
2630/* ------------------------------------------------------------------------- */ 2756/* ------------------------------------------------------------------------- */
2631/* 2757/*
2632 * Request the current selection: 2758 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2633 * Order: > internal selection if available 2759 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2634 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2760 * as fallback
2635 * > CUT_BUFFER0
2636 * (+) if ownership is claimed but property is empty, rxvt_selection_paste()
2637 * will auto fallback to CUT_BUFFER0
2638 * EXT: button 2 release 2761 * EXT: button 2 release
2639 */ 2762 */
2640/* EXTPROTO */
2641void 2763void
2642rxvt_selection_request(pR_ Time tm, int x, int y) 2764rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2643{ 2765{
2644 D_SELECT((stderr, "rxvt_selection_request(%lu, %d, %d)", tm, x, y)); 2766 if (!selection_req)
2645 if (x < 0 || x >= R->TermWin.width || y < 0 || y >= R->TermWin.height)
2646 return; /* outside window */
2647
2648 if (R->selection.text != NULL) { /* internal selection */
2649 D_SELECT((stderr, "rxvt_selection_request: pasting internal"));
2650 R->paste (R->selection.text, R->selection.len);
2651 return;
2652 } else {
2653 int i;
2654
2655 R->selection_request_time = tm;
2656 R->selection_wait = Sel_normal;
2657 for (i = Sel_Primary; i <= Sel_Clipboard; i++) {
2658 R->selection_type = Sel_CompoundText;
2659 if (rxvt_selection_request_other(aR_ R->xa[XA_COMPOUND_TEXT], i))
2660 return;
2661 }
2662 } 2767 {
2663 R->selection_wait = Sel_none; /* don't loop in rxvt_selection_paste() */ 2768 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2664 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0")); 2769 selection_req->run ();
2665 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, False);
2666}
2667
2668/* INTPROTO */
2669int
2670rxvt_selection_request_other(pR_ Atom target, int selnum)
2671{
2672 Atom sel;
2673#ifdef DEBUG_SELECT
2674 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2675#endif
2676
2677 R->selection_type |= selnum;
2678 if (selnum == Sel_Primary)
2679 sel = XA_PRIMARY;
2680 else if (selnum == Sel_Secondary)
2681 sel = XA_SECONDARY;
2682 else
2683 sel = R->xa[XA_CLIPBOARD];
2684 if (XGetSelectionOwner(R->Xdisplay, sel) != None) {
2685 D_SELECT((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum]));
2686 XConvertSelection(R->Xdisplay, sel, target, R->xa[XA_VT_SELECTION],
2687 R->TermWin.vt, R->selection_request_time);
2688 return 1;
2689 } 2770 }
2690 return 0;
2691} 2771}
2692 2772
2693/* ------------------------------------------------------------------------- */ 2773/* ------------------------------------------------------------------------- */
2694/* 2774/*
2695 * Clear all selected text 2775 * Clear all selected text
2696 * EXT: SelectionClear 2776 * EXT: SelectionClear
2697 */ 2777 */
2698/* EXTPROTO */
2699void 2778void
2700rxvt_selection_clear(pR) 2779rxvt_term::selection_clear (bool clipboard) NOTHROW
2701{ 2780{
2702 D_SELECT((stderr, "rxvt_selection_clear()")); 2781 if (!clipboard)
2703 2782 {
2704 R->want_refresh = 1; 2783 want_refresh = 1;
2705 if (R->selection.text)
2706 free(R->selection.text); 2784 free (selection.text);
2707 R->selection.text = NULL; 2785 selection.text = NULL;
2708 R->selection.len = 0; 2786 selection.len = 0;
2709 CLEAR_SELECTION(R); 2787 CLEAR_SELECTION ();
2788
2789 if (display->selection_owner == this)
2790 display->selection_owner = 0;
2791 }
2792 else
2793 {
2794 free (selection.clip_text);
2795 selection.clip_text = NULL;
2796 selection.clip_len = 0;
2797
2798 if (display->clipboard_owner == this)
2799 display->clipboard_owner = 0;
2800 }
2710} 2801}
2711 2802
2712/* ------------------------------------------------------------------------- */ 2803/* ------------------------------------------------------------------------- */
2713/* 2804/*
2714 * Copy a selection into the cut buffer 2805 * Copy a selection into the cut buffer
2715 * EXT: button 1 or 3 release 2806 * EXT: button 1 or 3 release
2716 */ 2807 */
2717/* EXTPROTO */
2718void 2808void
2719rxvt_selection_make(pR_ Time tm) 2809rxvt_term::selection_make (Time tm)
2720{ 2810{
2721 int i, col, end_col, row, end_row; 2811 int size;
2722 unsigned char *new_selection_text; 2812 wchar_t *new_selection_text;
2723 char *str; 2813 text_t *t;
2724 text_t *t;
2725#ifdef ACS_ASCII
2726 rend_t *re;
2727#endif
2728 2814
2729 D_SELECT((stderr, "rxvt_selection_make(): R->selection.op=%d, R->selection.clicks=%d", R->selection.op, R->selection.clicks));
2730 switch (R->selection.op) { 2815 switch (selection.op)
2816 {
2731 case SELECTION_CONT: 2817 case SELECTION_CONT:
2732 break; 2818 break;
2733 case SELECTION_INIT: 2819 case SELECTION_INIT:
2734 CLEAR_SELECTION(R); 2820 CLEAR_SELECTION ();
2735 /* FALLTHROUGH */ 2821 /* FALLTHROUGH */
2736 case SELECTION_BEGIN: 2822 case SELECTION_BEGIN:
2737 R->selection.op = SELECTION_DONE; 2823 selection.op = SELECTION_DONE;
2738 /* FALLTHROUGH */ 2824 /* FALLTHROUGH */
2739 default: 2825 default:
2740 return; 2826 return;
2741 } 2827 }
2828
2742 R->selection.op = SELECTION_DONE; 2829 selection.op = SELECTION_DONE;
2743 2830
2744 if (R->selection.clicks == 4) 2831 if (selection.clicks == 4)
2745 return; /* nothing selected, go away */ 2832 return; /* nothing selected, go away */
2746 2833
2834 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2835 return;
2836
2747 i = (R->selection.end.row - R->selection.beg.row + 1) * (R->TermWin.ncol + 1) + 1; 2837 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2748 str = (char *)rxvt_malloc(i * MB_CUR_MAX + 1); 2838 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2749 2839
2750 new_selection_text = (unsigned char *)str; 2840 int ofs = 0;
2841 int extra = 0;
2751 2842
2752 col = R->selection.beg.col; 2843 int col = selection.beg.col;
2753 MAX_IT(col, 0); 2844 int row = selection.beg.row;
2754 row = R->selection.beg.row + R->TermWin.saveLines;
2755 end_row = R->selection.end.row + R->TermWin.saveLines;
2756 2845
2846 int end_col;
2847
2757 for (; row <= end_row; row++, col = 0) 2848 for (; row <= selection.end.row; row++, col = 0)
2849 {
2850#if !ENABLE_MINIMAL
2851 if (selection.rect)
2758 { 2852 {
2759 t = &(R->screen.text[row][col]); 2853 col = selection.beg.col;
2760
2761 end_col = R->screen.tlen[row];
2762
2763 if (end_col == -1)
2764 end_col = R->TermWin.ncol; 2854 end_col = selection.end.col;
2855 }
2856 else
2857#endif
2858 end_col = ROW(row).l;
2765 2859
2860 col = max (col, 0);
2861
2766 if (row == end_row) 2862 if (row == selection.end.row)
2767 MIN_IT (end_col, R->selection.end.col); 2863 min_it (end_col, selection.end.col);
2768 2864
2865 t = ROW(row).t + col;
2866
2769 for (; col < end_col; col++) 2867 for (; col < end_col; col++)
2868 {
2770 if (*t == NOCHAR) 2869 if (*t == NOCHAR)
2771 t++; 2870 t++;
2871#if ENABLE_COMBINING
2872 else if (IS_COMPOSE (*t))
2873 {
2874 int len = rxvt_composite.expand (*t, 0);
2875
2876 extra -= (len - 1);
2877
2878 if (extra < 0)
2879 {
2880 extra += size;
2881 size += size;
2882 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
2883 }
2884
2885 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
2886 }
2887#endif
2772 else 2888 else
2773 { 2889 new_selection_text[ofs++] = *t++;
2774 int len = wctomb (str, *t++);
2775 if (len > 0)
2776 str += len;
2777 }
2778
2779 if (R->screen.tlen[row] != -1 && row != end_row)
2780 *str++ = '\n';
2781 } 2890 }
2782 2891
2783#ifndef NO_OLD_SELECTION 2892#if !ENABLE_MINIMAL
2784 if (R->selection_style == OLD_SELECT) 2893 if (selection.rect)
2785 if (end_col == R->TermWin.ncol)
2786 *str++ = '\n';
2787#endif
2788#ifndef NO_NEW_SELECTION
2789 if (R->selection_style != OLD_SELECT)
2790 if (end_col != R->selection.end.col)
2791 *str++ = '\n';
2792#endif
2793 *str = '\0';
2794
2795 i = str - (char *)new_selection_text;
2796 if (i == 0)
2797 { 2894 {
2895 while (ofs
2896 && new_selection_text[ofs - 1] != C0_LF
2897 && unicode::is_space (new_selection_text[ofs - 1]))
2898 --ofs;
2899
2900 new_selection_text[ofs++] = C0_LF;
2901 }
2902 else
2903#endif
2904 if (!ROW(row).is_longer ()
2905 && (row != selection.end.row || end_col != selection.end.col)
2906 && (row != selection.beg.row || selection.beg.col < ncol))
2907 new_selection_text[ofs++] = C0_LF;
2908 }
2909
2910 new_selection_text[ofs] = 0;
2911
2912 if (ofs == 0)
2913 {
2798 free (new_selection_text); 2914 free (new_selection_text);
2799 return; 2915 return;
2800 } 2916 }
2801 2917
2802 // due to MB_MAX_CUR, selection wastage is usually high
2803 if (str - (char *)new_selection_text > 1024)
2804 new_selection_text = (unsigned char *)rxvt_realloc (new_selection_text, i + 1);
2805
2806 R->selection.len = i;
2807 if (R->selection.text)
2808 free (R->selection.text); 2918 free (selection.text);
2809 2919
2810 R->selection.text = new_selection_text; 2920 // we usually allocate much more than necessary, so realloc it smaller again
2921 selection.len = ofs;
2922 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2811 2923
2812 XSetSelectionOwner(R->Xdisplay, XA_PRIMARY, R->TermWin.vt, tm); 2924 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
2813 if (XGetSelectionOwner(R->Xdisplay, XA_PRIMARY) != R->TermWin.vt) 2925 return;
2814 rxvt_print_error("can't get primary selection"); 2926
2815 XChangeProperty(R->Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2927 selection_grab (tm);
2816 PropModeReplace, R->selection.text, (int)R->selection.len); 2928}
2929
2930bool
2931rxvt_term::selection_grab (Time tm, bool clipboard) NOTHROW
2932{
2933 Atom sel;
2934
2935 if (!clipboard)
2936 {
2817 R->selection_time = tm; 2937 selection_time = tm;
2818 D_SELECT((stderr, "rxvt_selection_make(): R->selection.len=%d", R->selection.len)); 2938 sel = XA_PRIMARY;
2939 }
2940 else
2941 {
2942 clipboard_time = tm;
2943 sel = xa[XA_CLIPBOARD];
2944 }
2945
2946 XSetSelectionOwner (dpy, sel, vt, tm);
2947 if (XGetSelectionOwner (dpy, sel) == vt)
2948 {
2949 display->set_selection_owner (this, clipboard);
2950 return true;
2951 }
2952 else
2953 {
2954 selection_clear (clipboard);
2955 return false;
2956 }
2957
2958#if 0
2959 XTextProperty ct;
2960
2961 if (XwcTextListToTextProperty (dpy, &selection.text, 1, XStringStyle, &ct) >= 0)
2962 {
2963 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2964 XFree (ct.value);
2965 }
2966#endif
2819} 2967}
2820 2968
2821/* ------------------------------------------------------------------------- */ 2969/* ------------------------------------------------------------------------- */
2822/* 2970/*
2823 * Mark or select text based upon number of clicks: 1, 2, or 3 2971 * Mark or select text based upon number of clicks: 1, 2, or 3
2824 * EXT: button 1 press 2972 * EXT: button 1 press
2825 */ 2973 */
2826void 2974void
2827rxvt_term::selection_click (int clicks, int x, int y) 2975rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
2828{ 2976{
2829 D_SELECT((stderr, "rxvt_selection_click(%d, %d, %d)", clicks, x, y));
2830
2831 clicks = ((clicks - 1) % 3) + 1; 2977 clicks = ((clicks - 1) % 3) + 1;
2832 selection.clicks = clicks; /* save clicks so extend will work */ 2978 selection.clicks = clicks; /* save clicks so extend will work */
2833 2979
2980 if (clicks == 2 && !selection.rect
2981 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
2982 {
2983 MEvent.clicks = 1; // what a mess
2984 selection.screen = current_screen;
2985 selection.op = SELECTION_CONT;
2986 return;
2987 }
2988
2834 rxvt_selection_start_colrow (this, Pixel2Col(x), Pixel2Row(y)); 2989 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2835 2990
2836 if (clicks == 2 || clicks == 3) 2991 if (clicks == 2 || clicks == 3)
2837 rxvt_selection_extend_colrow (this, selection.mark.col, 2992 selection_extend_colrow (selection.mark.col,
2838 selection.mark.row + TermWin.view_start, 2993 selection.mark.row - view_start,
2839 0, /* button 3 */ 2994 0, /* button 3 */
2840 1, /* button press */ 2995 1, /* button press */
2841 0); /* click change */ 2996 0); /* click change */
2842} 2997}
2843 2998
2844/* ------------------------------------------------------------------------- */ 2999/* ------------------------------------------------------------------------- */
2845/* 3000/*
2846 * Mark a selection at the specified col/row 3001 * Mark a selection at the specified col/row
2847 */ 3002 */
2848/* INTPROTO */
2849void 3003void
2850rxvt_selection_start_colrow(pR_ int col, int row) 3004rxvt_term::selection_start_colrow (int col, int row) NOTHROW
2851{ 3005{
2852 R->want_refresh = 1; 3006 want_refresh = 1;
3007
3008 selection.mark.row = row + view_start;
2853 R->selection.mark.col = col; 3009 selection.mark.col = col;
2854 R->selection.mark.row = row - R->TermWin.view_start; 3010
2855 MAX_IT(R->selection.mark.row, -(int32_t)R->TermWin.nscrolled); 3011 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
2856 MIN_IT(R->selection.mark.row, (int32_t)R->TermWin.nrow - 1); 3012 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3013
3014 while (selection.mark.col > 0
3015 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
2857 MAX_IT(R->selection.mark.col, 0); 3016 --selection.mark.col;
2858 MIN_IT(R->selection.mark.col, (int32_t)R->TermWin.ncol - 1);
2859 3017
2860 if (R->selection.op) { /* clear the old selection */ 3018 if (selection.op)
3019 {
3020 /* clear the old selection */
2861 R->selection.beg.row = R->selection.end.row = R->selection.mark.row; 3021 selection.beg.row = selection.end.row = selection.mark.row;
2862 R->selection.beg.col = R->selection.end.col = R->selection.mark.col; 3022 selection.beg.col = selection.end.col = selection.mark.col;
2863 } 3023 }
3024
2864 R->selection.op = SELECTION_INIT; 3025 selection.op = SELECTION_INIT;
2865 R->selection.screen = R->current_screen; 3026 selection.screen = current_screen;
2866} 3027}
2867 3028
2868/* ------------------------------------------------------------------------- */ 3029/* ------------------------------------------------------------------------- */
2869/* 3030/*
2870 * Word select: select text for 2 clicks 3031 * Word select: select text for 2 clicks
2871 * We now only find out the boundary in one direction 3032 * We now only find out the boundary in one direction
2872 */ 3033 */
2873 3034
2874/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3035/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
2875#define DELIMIT_TEXT(x) \ 3036#define DELIMIT_TEXT(x) \
2876 (((x) == ' ' || (x) == '\t') ? 2 : (STRCHR(R->rs[Rs_cutchars], (x)) != NULL)) 3037 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
2877#define DELIMIT_REND(x) 1 3038#define DELIMIT_REND(x) 1
2878 3039
2879/* INTPROTO */
2880void 3040void
2881rxvt_selection_delimit_word(pR_ enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3041rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
2882{ 3042{
2883 int col, row, dirnadd, tcol, trow, w1, w2; 3043 int col, row, dirnadd, tcol, trow, w1, w2;
2884 row_col_t bound; 3044 row_col_t bound;
2885 text_t *stp; 3045 text_t *stp;
2886 rend_t *srp; 3046 rend_t *srp;
2887 3047
2888 if (dirn == UP) { 3048 if (dirn == UP)
2889 bound.row = R->TermWin.saveLines - R->TermWin.nscrolled - 1; 3049 {
3050 bound.row = top_row - 1;
2890 bound.col = 0; 3051 bound.col = 0;
2891 dirnadd = -1; 3052 dirnadd = -1;
2892 } else { 3053 }
2893 bound.row = R->TermWin.saveLines + R->TermWin.nrow; 3054 else
3055 {
3056 bound.row = nrow;
2894 bound.col = R->TermWin.ncol - 1; 3057 bound.col = ncol - 1;
2895 dirnadd = 1; 3058 dirnadd = 1;
2896 } 3059 }
2897 row = mark->row + R->TermWin.saveLines; 3060
3061 row = mark->row;
2898 col = mark->col; 3062 col = max (mark->col, 0);
2899 MAX_IT(col, 0); 3063
2900/* find the edge of a word */ 3064 /* find the edge of a word */
2901 stp = &(R->screen.text[row][col]); 3065 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
2902 w1 = DELIMIT_TEXT(*stp); 3066 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
2903 3067
2904 if (R->selection_style != NEW_SELECT) { 3068 for (;;)
2905 if (w1 == 1) { 3069 {
3070 for (; col != bound.col; col += dirnadd)
3071 {
2906 stp += dirnadd; 3072 stp += dirnadd;
2907 if (DELIMIT_TEXT(*stp) == 1)
2908 goto Old_Word_Selection_You_Die;
2909 col += dirnadd;
2910 }
2911 w1 = 0;
2912 }
2913 srp = (&R->screen.rend[row][col]);
2914 w2 = DELIMIT_REND(*srp);
2915
2916 for (;;) {
2917 for (; col != bound.col; col += dirnadd) {
2918 stp += dirnadd; 3073 srp += dirnadd;
3074
3075 if (*stp == NOCHAR)
3076 continue;
3077
2919 if (DELIMIT_TEXT(*stp) != w1) 3078 if (DELIMIT_TEXT (*stp) != w1)
3079 break;
3080 if (DELIMIT_REND (*srp) != w2)
3081 break;
3082 }
3083
3084 if ((col == bound.col) && (row != bound.row))
3085 {
3086 if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ())
3087 {
3088 trow = row + dirnadd;
3089 tcol = dirn == UP ? ncol - 1 : 0;
3090
3091 if (!ROW(trow).t)
2920 break; 3092 break;
2921 srp += dirnadd; 3093
2922 if (DELIMIT_REND(*srp) != w2) 3094 stp = ROW(trow).t + tcol;
3095 srp = ROW(trow).r + tcol;
3096
3097 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
2923 break; 3098 break;
2924 } 3099
2925 if ((col == bound.col) && (row != bound.row)) {
2926 if (R->screen.tlen[(row - (dirn == UP ? 1 : 0))] == -1) {
2927 trow = row + dirnadd;
2928 tcol = dirn == UP ? R->TermWin.ncol - 1 : 0;
2929 if (R->screen.text[trow] == NULL)
2930 break;
2931 stp = &(R->screen.text[trow][tcol]);
2932 srp = &(R->screen.rend[trow][tcol]);
2933 if (DELIMIT_TEXT(*stp) != w1 || DELIMIT_REND(*srp) != w2)
2934 break;
2935 row = trow; 3100 row = trow;
2936 col = tcol; 3101 col = tcol;
2937 continue; 3102 continue;
2938 } 3103 }
2939 } 3104 }
2940 break; 3105 break;
2941 } 3106 }
2942 Old_Word_Selection_You_Die:
2943 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 - R->TermWin.saveLines, col));
2944 3107
2945 if (dirn == DN) 3108 if (dirn == DN)
2946 col++; /* put us on one past the end */ 3109 col++; /* put us on one past the end */
2947 3110
2948/* Poke the values back in */ 3111 /* Poke the values back in */
2949 ret->row = row - R->TermWin.saveLines; 3112 ret->row = row;
2950 ret->col = col; 3113 ret->col = col;
2951} 3114}
2952 3115
2953/* ------------------------------------------------------------------------- */ 3116/* ------------------------------------------------------------------------- */
2954/* 3117/*
2955 * Extend the selection to the specified x/y pixel location 3118 * Extend the selection to the specified x/y pixel location
… …
2957 * flag == 0 ==> button 1 3120 * flag == 0 ==> button 1
2958 * flag == 1 ==> button 3 press 3121 * flag == 1 ==> button 3 press
2959 * flag == 2 ==> button 3 motion 3122 * flag == 2 ==> button 3 motion
2960 */ 3123 */
2961void 3124void
2962rxvt_term::selection_extend (int x, int y, int flag) 3125rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
2963{ 3126{
2964 int col, row; 3127 int col = clamp (Pixel2Col (x), 0, ncol);
3128 int row = clamp (Pixel2Row (y), 0, nrow - 1);
2965 3129
2966 col = Pixel2Col(x);
2967 row = Pixel2Row(y);
2968 MAX_IT(row, 0);
2969 MIN_IT(row, (int)TermWin.nrow - 1);
2970 MAX_IT(col, 0);
2971 MIN_IT(col, (int)TermWin.ncol);
2972
2973#ifndef NO_NEW_SELECTION
2974 /* 3130 /*
2975 * If we're selecting characters (single click) then we must check first 3131 * If we're selecting characters (single click) then we must check first
2976 * if we are at the same place as the original mark. If we are then 3132 * if we are at the same place as the original mark. If we are then
2977 * select nothing. Otherwise, if we're to the right of the mark, you have to 3133 * select nothing. Otherwise, if we're to the right of the mark, you have to
2978 * be _past_ a character for it to be selected. 3134 * be _past_ a character for it to be selected.
2979 */ 3135 */
2980 if (selection_style != OLD_SELECT)
2981 {
2982 if (((selection.clicks % 3) == 1) && !flag 3136 if (((selection.clicks % 3) == 1) && !flag
2983 && (col == selection.mark.col 3137 && (col == selection.mark.col
2984 && (row == selection.mark.row + TermWin.view_start))) 3138 && (row == selection.mark.row - view_start)))
2985 { 3139 {
2986 /* select nothing */ 3140 /* select nothing */
2987 selection.beg.row = selection.end.row = 0; 3141 selection.beg.row = selection.end.row = 0;
2988 selection.beg.col = selection.end.col = 0; 3142 selection.beg.col = selection.end.col = 0;
2989 selection.clicks = 4; 3143 selection.clicks = 4;
2990 want_refresh = 1; 3144 want_refresh = 1;
2991 D_SELECT((stderr, "rxvt_selection_extend() selection.clicks = 4"));
2992 return; 3145 return;
2993 }
2994 } 3146 }
2995#endif 3147
2996 if (selection.clicks == 4) 3148 if (selection.clicks == 4)
2997 selection.clicks = 1; 3149 selection.clicks = 1;
2998 3150
2999 rxvt_selection_extend_colrow (this, col, row, !!flag, /* ? button 3 */ 3151 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
3000 flag == 1 ? 1 : 0, /* ? button press */ 3152 flag == 1 ? 1 : 0, /* ? button press */
3001 0); /* no click change */ 3153 0); /* no click change */
3002} 3154}
3003 3155
3004/* ------------------------------------------------------------------------- */ 3156/* ------------------------------------------------------------------------- */
3005/* 3157/*
3006 * Extend the selection to the specified col/row 3158 * Extend the selection to the specified col/row
3007 */ 3159 */
3008/* INTPROTO */
3009void 3160void
3010rxvt_selection_extend_colrow(pR_ int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3161rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
3011{ 3162{
3012 int16_t ncol = R->TermWin.ncol;
3013 int end_col;
3014 row_col_t pos; 3163 row_col_t pos;
3015 enum { 3164 enum {
3016 LEFT, RIGHT 3165 LEFT, RIGHT
3017 } closeto = RIGHT; 3166 } closeto = RIGHT;
3018 3167
3019 D_SELECT((stderr, "rxvt_selection_extend_colrow(c:%d, r:%d, %d, %d) clicks:%d, op:%d", col, row, button3, buttonpress, R->selection.clicks, R->selection.op));
3020 D_SELECT((stderr, "rxvt_selection_extend_colrow() ENT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", R->selection.beg.row, R->selection.beg.col, R->selection.mark.row, R->selection.mark.col, R->selection.end.row, R->selection.end.col));
3021
3022 R->want_refresh = 1; 3168 want_refresh = 1;
3169
3023 switch (R->selection.op) { 3170 switch (selection.op)
3171 {
3024 case SELECTION_INIT: 3172 case SELECTION_INIT:
3025 CLEAR_SELECTION(R); 3173 CLEAR_SELECTION ();
3026 R->selection.op = SELECTION_BEGIN; 3174 selection.op = SELECTION_BEGIN;
3027 /* FALLTHROUGH */ 3175 /* FALLTHROUGH */
3028 case SELECTION_BEGIN: 3176 case SELECTION_BEGIN:
3029 if (row != R->selection.mark.row || col != R->selection.mark.col 3177 if (row != selection.mark.row || col != selection.mark.col
3030 || (!button3 && buttonpress)) 3178 || (!button3 && buttonpress))
3031 R->selection.op = SELECTION_CONT; 3179 selection.op = SELECTION_CONT;
3032 break; 3180 break;
3033 case SELECTION_DONE: 3181 case SELECTION_DONE:
3034 R->selection.op = SELECTION_CONT; 3182 selection.op = SELECTION_CONT;
3035 /* FALLTHROUGH */ 3183 /* FALLTHROUGH */
3036 case SELECTION_CONT: 3184 case SELECTION_CONT:
3037 break; 3185 break;
3038 case SELECTION_CLEAR: 3186 case SELECTION_CLEAR:
3039 rxvt_selection_start_colrow(aR_ col, row); 3187 selection_start_colrow (col, row);
3040 /* FALLTHROUGH */ 3188 /* FALLTHROUGH */
3041 default: 3189 default:
3042 return; 3190 return;
3043 } 3191 }
3192
3044 if (R->selection.beg.col == R->selection.end.col 3193 if (selection.beg.col == selection.end.col
3045 && R->selection.beg.col != R->selection.mark.col 3194 && selection.beg.col != selection.mark.col
3046 && R->selection.beg.row == R->selection.end.row 3195 && selection.beg.row == selection.end.row
3047 && R->selection.beg.row != R->selection.mark.row) { 3196 && selection.beg.row != selection.mark.row)
3197 {
3048 R->selection.beg.col = R->selection.end.col = R->selection.mark.col; 3198 selection.beg.col = selection.end.col = selection.mark.col;
3049 R->selection.beg.row = R->selection.end.row = R->selection.mark.row; 3199 selection.beg.row = selection.end.row = selection.mark.row;
3050 D_SELECT((stderr, "rxvt_selection_extend_colrow() ENT2 b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", R->selection.beg.row, R->selection.beg.col, R->selection.mark.row, R->selection.mark.col, R->selection.end.row, R->selection.end.col));
3051 } 3200 }
3052 3201
3053 pos.col = col; 3202 pos.col = col;
3054 pos.row = row; 3203 pos.row = view_start + row;
3055 3204
3056 pos.row -= R->TermWin.view_start; /* adjust for scroll */ 3205 /*
3057 3206 * This is mainly xterm style selection with a couple of differences, mainly
3058#ifndef NO_OLD_SELECTION 3207 * in the way button3 drag extension works.
3059/* 3208 * We're either doing: button1 drag; button3 press; or button3 drag
3060 * This mimics some of the selection behaviour of version 2.20 and before. 3209 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3061 * There are no ``selection modes'', button3 is always character extension. 3210 * is always at the left/right edge of the selection.
3062 * Note: button3 drag is always available, c.f. v2.20 3211 * b) button3 press: extend/contract character/word/line at whichever edge of
3063 * Selection always terminates (left or right as appropriate) at the mark. 3212 * the selection we are closest to.
3213 * c) button3 drag : extend/contract character/word/line - we select around
3214 * a point/word/line which is either the start or end of the selection
3215 * and it was decided by whichever point/word/line was `fixed' at the
3216 * time of the most recent button3 press
3064 */ 3217 */
3065 if (R->selection_style == OLD_SELECT) { 3218 if (button3 && buttonpress)
3066 if (R->selection.clicks == 1 || button3) { 3219 {
3067 if (R->hate_those_clicks) { 3220 /* button3 press */
3068 R->hate_those_clicks = 0; 3221 /*
3069 if (R->selection.clicks == 1) { 3222 * first determine which edge of the selection we are closest to
3070 R->selection.beg.row = R->selection.mark.row; 3223 */
3071 R->selection.beg.col = R->selection.mark.col; 3224 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3072 } else { 3225 || (!ROWCOL_IS_AFTER (pos, selection.end)
3226 && (((pos.col - selection.beg.col)
3227 + ((pos.row - selection.beg.row) * ncol))
3228 < ((selection.end.col - pos.col)
3229 + ((selection.end.row - pos.row) * ncol)))))
3230 closeto = LEFT;
3231
3232 if (closeto == LEFT)
3233 {
3234 selection.beg.row = pos.row;
3235 selection.beg.col = pos.col;
3236 selection.mark.row = selection.end.row;
3237 selection.mark.col = selection.end.col - (selection.clicks == 2);
3238 }
3239 else
3240 {
3241 selection.end.row = pos.row;
3242 selection.end.col = pos.col;
3073 R->selection.mark.row = R->selection.beg.row; 3243 selection.mark.row = selection.beg.row;
3074 R->selection.mark.col = R->selection.beg.col; 3244 selection.mark.col = selection.beg.col;
3245 }
3246 }
3247 else
3248 {
3249 /* button1 drag or button3 drag */
3250 if (ROWCOL_IS_AFTER (selection.mark, pos))
3251 {
3252 if (selection.mark.row == selection.end.row
3253 && selection.mark.col == selection.end.col
3254 && clickchange
3255 && selection.clicks == 2)
3256 selection.mark.col--;
3257
3258 selection.beg.row = pos.row;
3259 selection.beg.col = pos.col;
3260 selection.end.row = selection.mark.row;
3261 selection.end.col = selection.mark.col + (selection.clicks == 2);
3262 }
3263 else
3264 {
3265 selection.beg.row = selection.mark.row;
3266 selection.beg.col = selection.mark.col;
3267 selection.end.row = pos.row;
3268 selection.end.col = pos.col;
3269 }
3270 }
3271
3272 if (selection.clicks == 1)
3273 {
3274 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3275 && !ROW(selection.beg.row).is_longer ()
3276#if !ENABLE_MINIMAL
3277 && !selection.rect
3278#endif
3279 )
3280 selection.beg.col = ncol;
3281
3282 if (
3283 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN
3284 && !ROW(selection.end.row).is_longer ()
3285#if !ENABLE_MINIMAL
3286 && !selection.rect
3287#endif
3288 )
3289 selection.end.col = ncol;
3290 }
3291 else if (selection.clicks == 2)
3292 {
3293 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3294 selection.end.col--;
3295
3296 selection_delimit_word (UP, &selection.beg, &selection.beg);
3297 selection_delimit_word (DN, &selection.end, &selection.end);
3298 }
3299 else if (selection.clicks == 3)
3300 {
3301#if ENABLE_FRILLS
3302 if (option (Opt_tripleclickwords))
3303 {
3304 selection_delimit_word (UP, &selection.beg, &selection.beg);
3305
3306 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3307 {
3308 if (!ROW(end_row).is_longer ())
3309 {
3310 selection.end.row = end_row;
3311 selection.end.col = ROW(end_row).l;
3312# if !ENABLE_MINIMAL
3313 selection_remove_trailing_spaces ();
3314# endif
3315 break;
3075 } 3316 }
3076 } 3317 }
3077 if (ROWCOL_IS_BEFORE(pos, R->selection.mark)) {
3078 R->selection.end.row = R->selection.mark.row;
3079 R->selection.end.col = R->selection.mark.col + 1;
3080 R->selection.beg.row = pos.row;
3081 R->selection.beg.col = pos.col;
3082 } else {
3083 R->selection.beg.row = R->selection.mark.row;
3084 R->selection.beg.col = R->selection.mark.col;
3085 R->selection.end.row = pos.row;
3086 R->selection.end.col = pos.col + 1;
3087 } 3318 }
3088 } else if (R->selection.clicks == 2) { 3319 else
3089 rxvt_selection_delimit_word(aR_ UP, &(R->selection.mark), 3320#endif
3090 &(R->selection.beg)); 3321 {
3091 rxvt_selection_delimit_word(aR_ DN, &(R->selection.mark), 3322 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3092 &(R->selection.end)); 3323 selection.mark.col++;
3093 R->hate_those_clicks = 1; 3324
3094 } else if (R->selection.clicks == 3) {
3095 R->selection.beg.row = R->selection.end.row = R->selection.mark.row;
3096 R->selection.beg.col = 0; 3325 selection.beg.col = 0;
3097 R->selection.end.col = ncol; 3326 selection.end.col = ncol;
3098 R->hate_those_clicks = 1; 3327
3099 } 3328 // select a complete logical line
3100 D_SELECT((stderr, "rxvt_selection_extend_colrow() EXIT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", R->selection.beg.row, R->selection.beg.col, R->selection.mark.row, R->selection.mark.col, R->selection.end.row, R->selection.end.col)); 3329 while (selection.beg.row > -saveLines
3101 return; 3330 && ROW(selection.beg.row - 1).is_longer ())
3102 } 3331 selection.beg.row--;
3103#endif /* ! NO_OLD_SELECTION */ 3332
3104#ifndef NO_NEW_SELECTION 3333 while (selection.end.row < nrow
3105/* selection_style must not be OLD_SELECT to get here */ 3334 && ROW(selection.end.row).is_longer ())
3106/* 3335 selection.end.row++;
3107 * This is mainly xterm style selection with a couple of differences, mainly
3108 * in the way button3 drag extension works.
3109 * We're either doing: button1 drag; button3 press; or button3 drag
3110 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3111 * is always at the left/right edge of the R->selection.
3112 * b) button3 press: extend/contract character/word/line at whichever edge of
3113 * the selection we are closest to.
3114 * c) button3 drag : extend/contract character/word/line - we select around
3115 * a point/word/line which is either the start or end of the selection
3116 * and it was decided by whichever point/word/line was `fixed' at the
3117 * time of the most recent button3 press
3118 */
3119 if (button3 && buttonpress) { /* button3 press */
3120 /* 3336 }
3121 * first determine which edge of the selection we are closest to 3337 }
3122 */ 3338
3123 if (ROWCOL_IS_BEFORE(pos, R->selection.beg) 3339 if (button3 && buttonpress)
3124 || (!ROWCOL_IS_AFTER(pos, R->selection.end) 3340 {
3125 && (((pos.col - R->selection.beg.col) 3341 /* mark may need to be changed */
3126 + ((pos.row - R->selection.beg.row) * ncol))
3127 < ((R->selection.end.col - pos.col)
3128 + ((R->selection.end.row - pos.row) * ncol)))))
3129 closeto = LEFT;
3130 if (closeto == LEFT) { 3342 if (closeto == LEFT)
3131 R->selection.beg.row = pos.row; 3343 {
3132 R->selection.beg.col = pos.col;
3133 R->selection.mark.row = R->selection.end.row; 3344 selection.mark.row = selection.end.row;
3134 R->selection.mark.col = R->selection.end.col 3345 selection.mark.col = selection.end.col - (selection.clicks == 2);
3135 - (R->selection.clicks == 2); 3346 }
3136 } else { 3347 else
3137 R->selection.end.row = pos.row; 3348 {
3138 R->selection.end.col = pos.col;
3139 R->selection.mark.row = R->selection.beg.row; 3349 selection.mark.row = selection.beg.row;
3140 R->selection.mark.col = R->selection.beg.col; 3350 selection.mark.col = selection.beg.col;
3141 }
3142 } else { /* button1 drag or button3 drag */
3143 if (ROWCOL_IS_AFTER(R->selection.mark, pos)) {
3144 if ((R->selection.mark.row == R->selection.end.row)
3145 && (R->selection.mark.col == R->selection.end.col)
3146 && clickchange && R->selection.clicks == 2)
3147 R->selection.mark.col--;
3148 R->selection.beg.row = pos.row;
3149 R->selection.beg.col = pos.col;
3150 R->selection.end.row = R->selection.mark.row;
3151 R->selection.end.col = R->selection.mark.col
3152 + (R->selection.clicks == 2);
3153 } else {
3154 R->selection.beg.row = R->selection.mark.row;
3155 R->selection.beg.col = R->selection.mark.col;
3156 R->selection.end.row = pos.row;
3157 R->selection.end.col = pos.col;
3158 }
3159 }
3160
3161 if (R->selection.clicks == 1) {
3162 end_col = R->screen.tlen[R->selection.beg.row + R->TermWin.saveLines];
3163 if (end_col != -1 && R->selection.beg.col > end_col) {
3164#if 1
3165 R->selection.beg.col = ncol;
3166#else
3167 if (R->selection.beg.row != R->selection.end.row)
3168 R->selection.beg.col = ncol;
3169 else
3170 R->selection.beg.col = R->selection.mark.col;
3171#endif
3172 }
3173 end_col = R->screen.tlen[R->selection.end.row + R->TermWin.saveLines];
3174 if (end_col != -1 && R->selection.end.col > end_col)
3175 R->selection.end.col = ncol;
3176
3177 } else if (R->selection.clicks == 2) {
3178 if (ROWCOL_IS_AFTER(R->selection.end, R->selection.beg))
3179 R->selection.end.col--;
3180 rxvt_selection_delimit_word(aR_ UP, &(R->selection.beg),
3181 &(R->selection.beg));
3182 rxvt_selection_delimit_word(aR_ DN, &(R->selection.end),
3183 &(R->selection.end));
3184 } else if (R->selection.clicks == 3) {
3185#ifndef NO_FRILLS
3186 if ((R->Options & Opt_tripleclickwords)) {
3187 int end_row;
3188
3189 rxvt_selection_delimit_word(aR_ UP, &(R->selection.beg),
3190 &(R->selection.beg));
3191 end_row = R->screen.tlen[R->selection.mark.row
3192 + R->TermWin.saveLines];
3193 for (end_row = R->selection.mark.row; end_row < R->TermWin.nrow;
3194 end_row++) {
3195 end_col = R->screen.tlen[end_row + R->TermWin.saveLines];
3196 if (end_col != -1) {
3197 R->selection.end.row = end_row;
3198 R->selection.end.col = end_col;
3199 rxvt_selection_remove_trailing_spaces(aR);
3200 break;
3201 }
3202 }
3203 } else
3204#endif
3205 { 3351 }
3206 if (ROWCOL_IS_AFTER(R->selection.mark, R->selection.beg))
3207 R->selection.mark.col++;
3208 R->selection.beg.col = 0;
3209 R->selection.end.col = ncol;
3210 }
3211 } 3352 }
3212 if (button3 && buttonpress) { /* mark may need to be changed */
3213 if (closeto == LEFT) {
3214 R->selection.mark.row = R->selection.end.row;
3215 R->selection.mark.col = R->selection.end.col
3216 - (R->selection.clicks == 2);
3217 } else {
3218 R->selection.mark.row = R->selection.beg.row;
3219 R->selection.mark.col = R->selection.beg.col;
3220 }
3221 }
3222 D_SELECT((stderr, "rxvt_selection_extend_colrow() EXIT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", R->selection.beg.row, R->selection.beg.col, R->selection.mark.row, R->selection.mark.col, R->selection.end.row, R->selection.end.col));
3223#endif /* ! NO_NEW_SELECTION */
3224}
3225 3353
3226#ifndef NO_FRILLS 3354#if !ENABLE_MINIMAL
3227/* INTPROTO */ 3355 if (selection.rect && selection.beg.col > selection.end.col)
3356 ::swap (selection.beg.col, selection.end.col);
3357#endif
3358}
3359
3360#if !ENABLE_MINIMAL
3228void 3361void
3229rxvt_selection_remove_trailing_spaces(pR) 3362rxvt_term::selection_remove_trailing_spaces () NOTHROW
3230{ 3363{
3231 int32_t end_col, end_row; 3364 int32_t end_col, end_row;
3232 text_t *stp; 3365 text_t *stp;
3233 3366
3234 end_col = R->selection.end.col; 3367 end_col = selection.end.col;
3235 end_row = R->selection.end.row; 3368 end_row = selection.end.row;
3369
3236 for ( ; end_row >= R->selection.beg.row; ) { 3370 for (; end_row >= selection.beg.row; )
3237 stp = R->screen.text[end_row + R->TermWin.saveLines]; 3371 {
3372 stp = ROW(end_row).t;
3373
3238 while (--end_col >= 0) { 3374 while (--end_col >= 0)
3239 if (stp[end_col] != ' ' && stp[end_col] != '\t')
3240 break;
3241 } 3375 {
3242 if (end_col >= 0 3376 if (stp[end_col] != NOCHAR
3243 || R->screen.tlen[end_row - 1 + R->TermWin.saveLines] != -1) { 3377 && !unicode::is_space (stp[end_col]))
3244 R->selection.end.col = end_col + 1;
3245 R->selection.end.row = end_row;
3246 break; 3378 break;
3247 } 3379 }
3380
3381 if (end_col >= 0
3382 || !ROW(end_row - 1).is_longer ())
3383 {
3384 selection.end.col = end_col + 1;
3385 selection.end.row = end_row;
3386 break;
3387 }
3388
3248 end_row--; 3389 end_row--;
3249 end_col = R->TermWin.ncol; 3390 end_col = ncol;
3250 } 3391 }
3392
3251 if (R->selection.mark.row > R->selection.end.row) { 3393 if (selection.mark.row > selection.end.row)
3394 {
3252 R->selection.mark.row = R->selection.end.row; 3395 selection.mark.row = selection.end.row;
3253 R->selection.mark.col = R->selection.end.col; 3396 selection.mark.col = selection.end.col;
3397 }
3254 } else if (R->selection.mark.row == R->selection.end.row 3398 else if (selection.mark.row == selection.end.row
3255 && R->selection.mark.col > R->selection.end.col) 3399 && selection.mark.col > selection.end.col)
3256 R->selection.mark.col = R->selection.end.col; 3400 selection.mark.col = selection.end.col;
3257} 3401}
3258#endif 3402#endif
3259 3403
3260/* ------------------------------------------------------------------------- */ 3404/* ------------------------------------------------------------------------- */
3261/* 3405/*
3262 * Double click on button 3 when already selected 3406 * Double click on button 3 when already selected
3263 * EXT: button 3 double click 3407 * EXT: button 3 double click
3264 */ 3408 */
3265void 3409void
3266rxvt_term::selection_rotate (int x, int y) 3410rxvt_term::selection_rotate (int x, int y) NOTHROW
3267{ 3411{
3268 selection.clicks = selection.clicks % 3 + 1; 3412 selection.clicks = selection.clicks % 3 + 1;
3269 rxvt_selection_extend_colrow (this, Pixel2Col(x), Pixel2Row(y), 1, 0, 1); 3413 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3270} 3414}
3271
3272/* ------------------------------------------------------------------------- */
3273/*
3274 * On some systems, the Atom typedef is 64 bits wide. We need to have a type
3275 * that is exactly 32 bits wide, because a format of 64 is not allowed by
3276 * the X11 protocol.
3277 */
3278typedef CARD32 Atom32;
3279 3415
3280/* ------------------------------------------------------------------------- */ 3416/* ------------------------------------------------------------------------- */
3281/* 3417/*
3282 * Respond to a request for our current selection 3418 * Respond to a request for our current selection
3283 * EXT: SelectionRequest 3419 * EXT: SelectionRequest
3284 */ 3420 */
3285/* EXTPROTO */
3286void 3421void
3287rxvt_selection_send(pR_ const XSelectionRequestEvent *rq) 3422rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3288{ 3423{
3424 Atom property = rq.property == None ? rq.target : rq.property;
3289 XSelectionEvent ev; 3425 XSelectionEvent ev;
3426
3427 ev.type = SelectionNotify;
3428 ev.property = None;
3429 ev.display = rq.display;
3430 ev.requestor = rq.requestor;
3431 ev.selection = rq.selection;
3432 ev.target = rq.target;
3433 ev.time = rq.time;
3434
3435 if (rq.target == xa[XA_TARGETS])
3436 {
3437 Atom target_list[6];
3438 Atom *target = target_list;
3439
3440 *target++ = xa[XA_TARGETS];
3441 *target++ = xa[XA_TIMESTAMP];
3442 *target++ = XA_STRING;
3443 *target++ = xa[XA_TEXT];
3444 *target++ = xa[XA_COMPOUND_TEXT];
3445#if X_HAVE_UTF8_STRING
3446 *target++ = xa[XA_UTF8_STRING];
3447#endif
3448
3449 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3450 32, PropModeReplace,
3451 (unsigned char *)target_list, target - target_list);
3452 ev.property = property;
3453 }
3454#if TODO // TODO
3455 else if (rq.target == xa[XA_MULTIPLE])
3456 {
3457 /* TODO: Handle MULTIPLE */
3458 }
3459#endif
3460 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3461 {
3462 XChangeProperty (dpy, rq.requestor, property, rq.target,
3463 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3464 ev.property = property;
3465 }
3466 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3467 {
3468 XChangeProperty (dpy, rq.requestor, property, rq.target,
3469 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3470 ev.property = property;
3471 }
3472 else if (rq.target == XA_STRING
3473 || rq.target == xa[XA_TEXT]
3474 || rq.target == xa[XA_COMPOUND_TEXT]
3475 || rq.target == xa[XA_UTF8_STRING]
3476 )
3477 {
3478 XTextProperty ct;
3479 Atom target = rq.target;
3480 short freect = 0;
3481 int selectlen;
3482 wchar_t *cl;
3483 enum {
3484 enc_string = XStringStyle,
3485 enc_text = XStdICCTextStyle,
3486 enc_compound_text = XCompoundTextStyle,
3487#ifdef X_HAVE_UTF8_STRING
3488 enc_utf8 = XUTF8StringStyle,
3489#else
3490 enc_utf8 = -1,
3491#endif
3492 } style;
3493
3494 if (target == XA_STRING)
3495 // we actually don't do XA_STRING, but who cares, as i18n clients
3496 // will ask for another format anyways.
3497 style = enc_string;
3498 else if (target == xa[XA_TEXT])
3499 style = enc_text;
3500 else if (target == xa[XA_COMPOUND_TEXT])
3501 style = enc_compound_text;
3502#if !ENABLE_MINIMAL
3503 else if (target == xa[XA_UTF8_STRING])
3504 style = enc_utf8;
3505#endif
3506 else
3507 {
3508 target = xa[XA_COMPOUND_TEXT];
3509 style = enc_compound_text;
3510 }
3511
3512 if (rq.selection == XA_PRIMARY && selection.text)
3513 {
3514 cl = selection.text;
3515 selectlen = selection.len;
3516 }
3517 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3518 {
3519 cl = selection.clip_text;
3520 selectlen = selection.clip_len;
3521 }
3522 else
3523 {
3524 cl = L"";
3525 selectlen = 0;
3526 }
3527
3528#if !ENABLE_MINIMAL
3529 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3530 // so recode it manually
3531 if (style == enc_utf8)
3532 {
3533 freect = 1;
3534 ct.encoding = target;
3535 ct.format = 8;
3536 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen);
3537 ct.nitems = strlen ((char *)ct.value);
3538 }
3539 else
3540#endif
3541 if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3542 freect = 1;
3543 else
3544 {
3545 /* if we failed to convert then send it raw */
3546 ct.value = (unsigned char *)cl;
3547 ct.nitems = selectlen;
3548 ct.encoding = target;
3549 }
3550
3551 XChangeProperty (dpy, rq.requestor, property,
3552 ct.encoding, 8, PropModeReplace,
3553 ct.value, (int)ct.nitems);
3554 ev.property = property;
3555
3556 if (freect)
3557 XFree (ct.value);
3558 }
3559
3560 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3561}
3562
3563/* ------------------------------------------------------------------------- */
3290#ifdef USE_XIM 3564#ifdef USE_XIM
3291 Atom32 target_list[4];
3292#else
3293 Atom32 target_list[3];
3294#endif
3295 Atom target;
3296 XTextProperty ct;
3297 XICCEncodingStyle style;
3298 char *cl[2], dummy[1];
3299
3300 ev.type = SelectionNotify;
3301 ev.property = None;
3302 ev.display = rq->display;
3303 ev.requestor = rq->requestor;
3304 ev.selection = rq->selection;
3305 ev.target = rq->target;
3306 ev.time = rq->time;
3307
3308 if (rq->target == R->xa[XA_TARGETS]) {
3309 target_list[0] = (Atom32) R->xa[XA_TARGETS];
3310 target_list[1] = (Atom32) XA_STRING;
3311 target_list[2] = (Atom32) R->xa[XA_TEXT];
3312#ifdef USE_XIM
3313 target_list[3] = (Atom32) R->xa[XA_COMPOUND_TEXT];
3314#endif
3315 XChangeProperty(R->Xdisplay, rq->requestor, rq->property, XA_ATOM,
3316 (8 * sizeof(target_list[0])), PropModeReplace,
3317 (unsigned char *)target_list,
3318 (sizeof(target_list) / sizeof(target_list[0])));
3319 ev.property = rq->property;
3320 } else if (rq->target == R->xa[XA_MULTIPLE]) {
3321 /* TODO: Handle MULTIPLE */
3322 } else if (rq->target == R->xa[XA_TIMESTAMP] && R->selection.text) {
3323 XChangeProperty(R->Xdisplay, rq->requestor, rq->property, XA_INTEGER,
3324 (8 * sizeof(Time)), PropModeReplace,
3325 (unsigned char *)&R->selection_time, 1);
3326 ev.property = rq->property;
3327 } else if (rq->target == XA_STRING
3328 || rq->target == R->xa[XA_COMPOUND_TEXT]
3329 || rq->target == R->xa[XA_TEXT]) {
3330#ifdef USE_XIM
3331 short freect = 0;
3332#endif
3333 int selectlen;
3334
3335#ifdef USE_XIM
3336 if (rq->target != XA_STRING) {
3337 target = R->xa[XA_COMPOUND_TEXT];
3338 style = (rq->target == R->xa[XA_COMPOUND_TEXT])
3339 ? XCompoundTextStyle : XStdICCTextStyle;
3340 } else
3341#endif
3342 {
3343 target = XA_STRING;
3344 style = XStringStyle;
3345 }
3346 if (R->selection.text) {
3347 cl[0] = (char *)R->selection.text;
3348 selectlen = R->selection.len;
3349 } else {
3350 cl[0] = dummy;
3351 *dummy = '\0';
3352 selectlen = 0;
3353 }
3354#ifdef USE_XIM
3355 if (XmbTextListToTextProperty(R->Xdisplay, cl, 1, style, &ct)
3356 == Success) /* if we failed to convert then send it raw */
3357 freect = 1;
3358 else
3359#endif
3360 {
3361 ct.value = (unsigned char *)cl[0];
3362 ct.nitems = selectlen;
3363 }
3364 XChangeProperty(R->Xdisplay, rq->requestor, rq->property,
3365 target, 8, PropModeReplace,
3366 ct.value, (int)ct.nitems);
3367 ev.property = rq->property;
3368#ifdef USE_XIM
3369 if (freect)
3370 XFree(ct.value);
3371#endif
3372 }
3373 XSendEvent(R->Xdisplay, rq->requestor, False, 0L, (XEvent *)&ev);
3374}
3375
3376/* ------------------------------------------------------------------------- *
3377 * MOUSE ROUTINES *
3378 * ------------------------------------------------------------------------- */
3379
3380/*
3381 * return col/row values corresponding to x/y pixel values
3382 */
3383void 3565void
3384rxvt_term::pixel_position (int *x, int *y)
3385{
3386 *x = Pixel2Col(*x);
3387 /* MAX_IT(*x, 0); MIN_IT(*x, (int)R->TermWin.ncol - 1); */
3388 *y = Pixel2Row(*y);
3389 /* MAX_IT(*y, 0); MIN_IT(*y, (int)R->TermWin.nrow - 1); */
3390}
3391
3392/* ------------------------------------------------------------------------- */
3393#ifdef USE_XIM
3394void
3395rxvt_term::set_position (XPoint *pos) 3566rxvt_term::im_set_position (XPoint &pos) NOTHROW
3396{ 3567{
3397 XWindowAttributes xwa; 3568 XWindowAttributes xwa;
3398 3569
3399 XGetWindowAttributes (Xdisplay, TermWin.vt, &xwa); 3570 XGetWindowAttributes (dpy, vt, &xwa);
3571
3400 pos->x = Col2Pixel (screen.cur.col) + xwa.x; 3572 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3401 pos->y = Height2Pixel ((screen.cur.row + 1)) + xwa.y - TermWin.lineSpace; 3573 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3402} 3574}
3403
3404#endif 3575#endif
3405/* ------------------------------------------------------------------------- */ 3576
3406 3577#if ENABLE_OVERLAY
3578void
3579rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW
3580{
3581 if (nrow < 1 || ncol < 1)
3582 return;
3583
3584 want_refresh = 1;
3585
3586 scr_overlay_off ();
3587
3588 if (x < 0) x = ncol - w;
3589 if (y < 0) y = nrow - h;
3590
3591 // make space for border
3592 w += 2; min_it (w, ncol);
3593 h += 2; min_it (h, nrow);
3594
3595 x -= 1; clamp_it (x, 0, ncol - w);
3596 y -= 1; clamp_it (y, 0, nrow - h);
3597
3598 ov.x = x; ov.y = y;
3599 ov.w = w; ov.h = h;
3600
3601 ov.text = new text_t *[h];
3602 ov.rend = new rend_t *[h];
3603
3604 for (y = 0; y < h; y++)
3605 {
3606 text_t *tp = ov.text[y] = new text_t[w];
3607 rend_t *rp = ov.rend[y] = new rend_t[w];
3608
3609 text_t t0, t1, t2;
3610 rend_t r = OVERLAY_RSTYLE;
3611
3612 if (y == 0)
3613 t0 = 0x2554, t1 = 0x2550, t2 = 0x2557;
3614 else if (y < h - 1)
3615 t0 = 0x2551, t1 = 0x0020, t2 = 0x2551;
3616 else
3617 t0 = 0x255a, t1 = 0x2550, t2 = 0x255d;
3618
3619 *tp++ = t0;
3620 *rp++ = r;
3621
3622 for (x = w - 2; x > 0; --x)
3623 {
3624 *tp++ = t1;
3625 *rp++ = r;
3626 }
3627
3628 *tp = t2;
3629 *rp = r;
3630 }
3631}
3632
3633void
3634rxvt_term::scr_overlay_off () NOTHROW
3635{
3636 if (!ov.text)
3637 return;
3638
3639 want_refresh = 1;
3640
3641 for (int y = 0; y < ov.h; y++)
3642 {
3643 delete [] ov.text[y];
3644 delete [] ov.rend[y];
3645 }
3646
3647 delete [] ov.text; ov.text = 0;
3648 delete [] ov.rend; ov.rend = 0;
3649}
3650
3651void
3652rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3653{
3654 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3655 return;
3656
3657 x++, y++;
3658
3659 ov.text[y][x] = text;
3660 ov.rend[y][x] = rend;
3661}
3662
3663void
3664rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3665{
3666 while (*s)
3667 scr_overlay_set (x++, y, *s++);
3668}
3669
3670void
3671rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW
3672{
3673 while (*s)
3674 {
3675 text_t t = *s++;
3676 int width = WCWIDTH (t);
3677
3678 while (width--)
3679 {
3680 scr_overlay_set (x++, y, t);
3681 t = NOCHAR;
3682 }
3683 }
3684}
3685
3686void
3687rxvt_term::scr_swap_overlay () NOTHROW
3688{
3689 if (!ov.text)
3690 return;
3691
3692 // hide cursor if it is within the overlay area
3693 if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
3694 && IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
3695 screen.flags &= ~Screen_VisibleCursor;
3696
3697 // swap screen mem with overlay
3698 for (int y = ov.h; y--; )
3699 {
3700 text_t *t1 = ov.text[y];
3701 rend_t *r1 = ov.rend[y];
3702
3703 text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3704 rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3705
3706 for (int x = ov.w; x--; )
3707 {
3708 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3709 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3710 }
3711 }
3712}
3713
3714#endif
3407/* ------------------------------------------------------------------------- * 3715/* ------------------------------------------------------------------------- */
3408 * DEBUG ROUTINES *
3409 * ------------------------------------------------------------------------- */
3410#if 0
3411/* INTPROTO */
3412void
3413rxvt_debug_colors(void)
3414{
3415 int color;
3416 const char *name[] = {
3417 "fg", "bg",
3418 "black", "red", "green", "yellow", "blue", "magenta", "cyan", "white"
3419 };
3420 3716
3421 fprintf(stderr, "Color ( ");
3422 if (R->rstyle & RS_RVid)
3423 fprintf(stderr, "rvid ");
3424 if (R->rstyle & RS_Bold)
3425 fprintf(stderr, "bold ");
3426 if (R->rstyle & RS_Blink)
3427 fprintf(stderr, "blink ");
3428 if (R->rstyle & RS_Uline)
3429 fprintf(stderr, "uline ");
3430 fprintf(stderr, "): ");
3431
3432 color = GET_FGCOLOR(R->rstyle);
3433#ifndef NO_BRIGHTCOLOR
3434 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3435 color -= (minBrightCOLOR - minCOLOR);
3436 fprintf(stderr, "bright ");
3437 }
3438#endif
3439 fprintf(stderr, "%s on ", name[color]);
3440
3441 color = GET_BGCOLOR(R->rstyle);
3442#ifndef NO_BRIGHTCOLOR
3443 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3444 color -= (minBrightCOLOR - minCOLOR);
3445 fprintf(stderr, "bright ");
3446 }
3447#endif
3448 fprintf(stderr, "%s\n", name[color]);
3449}
3450#endif

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