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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.16 by pcg, Fri Jan 16 22:11:09 2004 UTC vs.
Revision 1.420 by root, Mon Jun 4 15:18:52 2012 UTC

1/*--------------------------------*-C-*--------------------------------------* 1/*---------------------------------------------------------------------------*
2 * File: screen.c 2 * File: screen.C
3 *---------------------------------------------------------------------------* 3 *---------------------------------------------------------------------------*
4 * $Id: screen.C,v 1.16 2004/01/16 22:11:09 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!! 33static inline void
37
38inline void fill_text (text_t *start, text_t value, int len) 34fill_text (text_t *start, text_t value, int len)
39{ 35{
40 while (len--) 36 while (len--)
41 *start++ = value; 37 *start++ = value;
42} 38}
43 39
44/* ------------------------------------------------------------------------- */ 40/* ------------------------------------------------------------------------- */
45#define PROP_SIZE 16384
46#define TABSIZE 8 /* default tab size */ 41#define TABSIZE 8 /* default tab size */
47 42
48/* ------------------------------------------------------------------------- * 43/* ------------------------------------------------------------------------- *
49 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 44 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
50 * ------------------------------------------------------------------------- */ 45 * ------------------------------------------------------------------------- */
51#define ZERO_SCROLLBACK(R) \ 46#define ZERO_SCROLLBACK() \
52 if (((R)->Options & Opt_scrollTtyOutput) == Opt_scrollTtyOutput) \ 47 if (option (Opt_scrollTtyOutput)) \
53 (R)->TermWin.view_start = 0 48 view_start = 0
54#define CLEAR_SELECTION(R) \ 49#define CLEAR_SELECTION() \
55 (R)->selection.beg.row = (R)->selection.beg.col \ 50 selection.beg.row = selection.beg.col \
56 = (R)->selection.end.row = (R)->selection.end.col = 0 51 = selection.end.row = selection.end.col = 0
57#define CLEAR_ALL_SELECTION(R) \ 52#define CLEAR_ALL_SELECTION() \
58 (R)->selection.beg.row = (R)->selection.beg.col \ 53 selection.beg.row = selection.beg.col \
59 = (R)->selection.mark.row = (R)->selection.mark.col \ 54 = selection.mark.row = selection.mark.col \
60 = (R)->selection.end.row = (R)->selection.end.col = 0 55 = selection.end.row = selection.end.col = 0
61 56
62#define ROW_AND_COL_IS_AFTER(A, B, C, D) \ 57#define ROW_AND_COL_IS_AFTER(A, B, C, D) \
63 (((A) > (C)) || (((A) == (C)) && ((B) > (D)))) 58 (((A) > (C)) || (((A) == (C)) && ((B) > (D))))
64#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \ 59#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \
65 (((A) < (C)) || (((A) == (C)) && ((B) < (D)))) 60 (((A) < (C)) || (((A) == (C)) && ((B) < (D))))
66#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \ 61#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \
67 (((A) == (C)) && ((B) > (D))) 62 (((A) == (C)) && ((B) > (D)))
68#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \ 63#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \
69 (((A) == (C)) && ((B) >= (D))) 64 (((A) == (C)) && ((B) >= (D)))
70#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \ 65#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \
71 (((A) == (C)) && ((B) < (D))) 66 (((A) == (C)) && ((B) < (D)))
72#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \ 67#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \
73 (((A) == (C)) && ((B) <= (D))) 68 (((A) == (C)) && ((B) <= (D)))
74 69
75/* these must be row_col_t */ 70/* these must be row_col_t */
76#define ROWCOL_IS_AFTER(X, Y) \ 71#define ROWCOL_IS_AFTER(X, Y) \
77 ROW_AND_COL_IS_AFTER((X).row, (X).col, (Y).row, (Y).col) 72 ROW_AND_COL_IS_AFTER ((X).row, (X).col, (Y).row, (Y).col)
78#define ROWCOL_IS_BEFORE(X, Y) \ 73#define ROWCOL_IS_BEFORE(X, Y) \
79 ROW_AND_COL_IS_BEFORE((X).row, (X).col, (Y).row, (Y).col) 74 ROW_AND_COL_IS_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
80#define ROWCOL_IN_ROW_AFTER(X, Y) \ 75#define ROWCOL_IN_ROW_AFTER(X, Y) \
81 ROW_AND_COL_IN_ROW_AFTER((X).row, (X).col, (Y).row, (Y).col) 76 ROW_AND_COL_IN_ROW_AFTER ((X).row, (X).col, (Y).row, (Y).col)
82#define ROWCOL_IN_ROW_BEFORE(X, Y) \ 77#define ROWCOL_IN_ROW_BEFORE(X, Y) \
83 ROW_AND_COL_IN_ROW_BEFORE((X).row, (X).col, (Y).row, (Y).col) 78 ROW_AND_COL_IN_ROW_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
84#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \ 79#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) 80 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) \ 81#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) 82 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
88 83
89/* 84/*
90 * CLEAR_ROWS : clear <num> rows starting from row <row>
91 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> 85 * 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 */ 86 */
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) \ 87#define CLEAR_CHARS(x, y, num) \
103 if (TermWin.mapped) \ 88 if (mapped) \
104 XClearArea (Xdisplay, drawBuffer, x, y, \ 89 XClearArea (dpy, vt, x, y, \
105 (unsigned int)Width2Pixel(num), \ 90 (unsigned int)Width2Pixel (num), \
106 (unsigned int)Height2Pixel(1), False) 91 (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 92
114/* ------------------------------------------------------------------------- * 93/* ------------------------------------------------------------------------- *
115 * SCREEN `COMMON' ROUTINES * 94 * SCREEN `COMMON' ROUTINES *
116 * ------------------------------------------------------------------------- */ 95 * ------------------------------------------------------------------------- */
96
117/* Fill part/all of a line with blanks. */ 97/* Fill part/all of a line with blanks. */
118void 98void
119rxvt_term::scr_blank_line (text_t *et, rend_t *er, unsigned int width, rend_t efs) 99rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW
120{ 100{
121 efs &= ~RS_baseattrMask; 101 if (!l.valid ())
102 {
103 l.alloc ();
104 col = 0;
105 width = ncol;
106 }
107
108 l.touch ();
109
110 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
122 efs = SET_FONT (efs, TermWin.fontset->find_font (' ')); 111 efs = SET_FONT (efs, FONTSET (efs)->find_font (' '));
112
113 text_t *et = l.t + col;
114 rend_t *er = l.r + col;
123 115
124 while (width--) 116 while (width--)
125 { 117 {
126 *et++ = ' '; 118 *et++ = ' ';
127 *er++ = efs; 119 *er++ = efs;
… …
129} 121}
130 122
131/* ------------------------------------------------------------------------- */ 123/* ------------------------------------------------------------------------- */
132/* Fill a full line with blanks - make sure it is allocated first */ 124/* Fill a full line with blanks - make sure it is allocated first */
133void 125void
134rxvt_term::scr_blank_screen_mem (text_t **tp, rend_t **rp, unsigned int row, rend_t efs) 126rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW
135{ 127{
136#ifdef DEBUG_STRICT 128 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 }
144 129
145 scr_blank_line (tp[row], rp[row], TermWin.ncol, efs); 130 l.l = 0;
131 l.f = 0;
132}
133
134// nuke a single wide character at the given column
135void
136rxvt_term::scr_kill_char (line_t &l, int col) const NOTHROW
137{
138 // find begin
139 while (col > 0 && l.t[col] == NOCHAR)
140 col--;
141
142 rend_t rend = l.r[col] & ~RS_baseattrMask;
143 rend = SET_FONT (rend, FONTSET (rend)->find_font (' '));
144
145 l.touch ();
146
147 // found start, nuke
148 do {
149 l.t[col] = ' ';
150 l.r[col] = rend;
151 col++;
152 } while (col < ncol && l.t[col] == NOCHAR);
146} 153}
147 154
148/* ------------------------------------------------------------------------- * 155/* ------------------------------------------------------------------------- *
149 * SCREEN INITIALISATION * 156 * SCREEN INITIALISATION *
150 * ------------------------------------------------------------------------- */ 157 * ------------------------------------------------------------------------- */
158
151void 159void
160rxvt_term::scr_alloc () NOTHROW
161{
162 int tsize = sizeof (text_t) * ncol;
163 int rsize = sizeof (rend_t) * ncol;
164
165 // we assume that rend_t size is a sufficient alignment
166 // factor for text_t and line_t values, and we only
167 // need to adjust tsize.
168 tsize = (tsize + sizeof (rend_t) - 1);
169 tsize -= tsize % sizeof (rend_t);
170
171 int all_rows = total_rows + nrow + nrow;
172
173 chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
174 chunk = rxvt_malloc (chunk_size);
175
176 char *base = (char *)chunk + sizeof (line_t) * all_rows;
177
178 for (int row = 0; row < all_rows; ++row)
179 {
180 line_t &l = ((line_t *)chunk) [row];
181
182 l.t = (text_t *)base; base += tsize;
183 l.r = (rend_t *)base; base += rsize;
184 l.l = -1;
185 l.f = 0;
186 }
187
188 drawn_buf = (line_t *)chunk;
189 swap_buf = drawn_buf + nrow;
190 row_buf = swap_buf + nrow;
191}
192
193void ecb_cold
152rxvt_term::scr_reset () 194rxvt_term::scr_reset ()
153{ 195{
154 unsigned int ncol, nrow, total_rows, prev_total_rows; 196#if ENABLE_OVERLAY
155 unsigned int p, q; 197 scr_overlay_off ();
156 int k; 198#endif
157 rend_t setrstyle;
158 199
159 D_SCREEN((stderr, "rxvt_scr_reset()"));
160
161 TermWin.view_start = 0; 200 view_start = 0;
162 num_scr = 0; 201 num_scr = 0;
163 202
164 if (TermWin.ncol == 0) 203 if (ncol == 0)
165 TermWin.ncol = 80; 204 ncol = 80;
166 205
167 if (TermWin.nrow == 0) 206 if (nrow == 0)
168 TermWin.nrow = 24; 207 nrow = 24;
169
170 ncol = TermWin.ncol;
171 nrow = TermWin.nrow;
172 208
173 if (ncol == prev_ncol && nrow == prev_nrow) 209 if (ncol == prev_ncol && nrow == prev_nrow)
174 return; 210 return;
175 211
212 // we need at least two lines for wrapping to work correctly
213 while (nrow + saveLines < 2)
214 {
215 //TODO//FIXME
216 saveLines++;
217 prev_nrow--;
218 top_row--;
219 }
220
176 want_refresh = 1; 221 want_refresh = 1;
177 222
223 int prev_total_rows = prev_nrow + saveLines;
178 total_rows = nrow + TermWin.saveLines; 224 total_rows = nrow + saveLines;
179 prev_total_rows = prev_nrow + TermWin.saveLines;
180 225
181 screen.tscroll = 0; 226 screen.tscroll = 0;
182 screen.bscroll = nrow - 1; 227 screen.bscroll = nrow - 1;
183 228
184 if (!talloc) 229 void *prev_chunk = chunk;
185 { 230 line_t *prev_drawn_buf = drawn_buf;
186 talloc = new rxvt_salloc (ncol * sizeof (text_t)); 231 line_t *prev_swap_buf = swap_buf;
187 ralloc = new rxvt_salloc (ncol * sizeof (rend_t)); 232 line_t *prev_row_buf = row_buf;
188 } 233
189 234 int common_col = min (prev_ncol, ncol);
190 if (prev_nrow == 0) 235
236 scr_alloc ();
237
238 if (!prev_row_buf)
191 { 239 {
192 /* 240 /*
193 * first time called so just malloc everything : don't rely on realloc 241 * first time called (or after scr_release) so just malloc everything: don't rely on realloc
194 * Note: this is still needed so that all the scrollback lines are NULL
195 */ 242 */
196 screen.text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *)); 243 top_row = 0;
197 buf_text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *)); 244 term_start = 0;
198 drawn_text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
199 swap.text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
200 245
201 screen.tlen = (int16_t *)rxvt_calloc(total_rows, sizeof(int16_t));
202 swap.tlen = (int16_t *)rxvt_calloc(nrow, sizeof(int16_t));
203
204 screen.rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *));
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 }
217
218 MEMSET(charsets, 'B', sizeof(charsets)); 246 memset (charsets, 'B', sizeof (charsets));
219 TermWin.nscrolled = 0; /* no saved lines */
220 rstyle = DEFAULT_RSTYLE; 247 rstyle = DEFAULT_RSTYLE;
221 screen.flags = Screen_DefaultFlags; 248 screen.flags = Screen_DefaultFlags;
222 screen.cur.row = screen.cur.col = 0; 249 screen.cur.row = screen.cur.col = 0;
223 screen.charset = 0; 250 screen.charset = 0;
224 current_screen = PRIMARY; 251 current_screen = PRIMARY;
225 rxvt_scr_cursor (this, SAVE); 252 scr_cursor (SAVE);
226 253
227#if NSCREENS 254#if NSCREENS
228 swap.flags = Screen_DefaultFlags; 255 swap.flags = Screen_DefaultFlags;
229 swap.cur.row = swap.cur.col = 0; 256 swap.cur.row = swap.cur.col = 0;
230 swap.charset = 0; 257 swap.charset = 0;
231 current_screen = SECONDARY; 258 current_screen = SECONDARY;
232 rxvt_scr_cursor (this, SAVE); 259 scr_cursor (SAVE);
233 current_screen = PRIMARY; 260 current_screen = PRIMARY;
234#endif 261#endif
235 262
236 selection.text = NULL; 263 selection.text = NULL;
237 selection.len = 0; 264 selection.len = 0;
238 selection.op = SELECTION_CLEAR; 265 selection.op = SELECTION_CLEAR;
239 selection.screen = PRIMARY; 266 selection.screen = PRIMARY;
240 selection.clicks = 0; 267 selection.clicks = 0;
241 CLEAR_ALL_SELECTION (this); 268 selection.clip_text = NULL;
242 rvideo = 0; 269 selection.clip_len = 0;
243 } 270 }
244 else 271 else
245 { 272 {
246 /* 273 /*
247 * add or delete rows as appropriate 274 * add or delete rows as appropriate
248 */ 275 */
249 setrstyle = DEFAULT_RSTYLE;
250 276
251 if (nrow < prev_nrow) 277 for (int row = min (nrow, prev_nrow); row--; )
278 {
279 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
280 scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
281
282 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
283 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
284 memcpy (swap_buf [row].t, prev_swap_buf [row].t, sizeof (text_t) * common_col);
285 memcpy (swap_buf [row].r, prev_swap_buf [row].r, sizeof (rend_t) * common_col);
252 { 286 }
253 /* delete rows */
254 k = min (TermWin.nscrolled, prev_nrow - nrow);
255 scr_scroll_text (0, (int)prev_nrow - 1, k, 1);
256 287
257 for (p = nrow; p < prev_nrow; p++) 288 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
289 int pend = MOD (term_start + top_row , prev_total_rows);
290 int q = total_rows; // rewrapped row
291
292 if (top_row)
293 {
294 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
295 // to come up with a lean and mean algorithm.
296 // TODO: maybe optimise when width didn't change
297
298 row_col_t ocur = screen.cur;
299 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
300
301 do
258 { 302 {
259 q = p + TermWin.saveLines; 303 p = MOD (p - 1, prev_total_rows);
260 if (screen.text[q]) 304 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
305 int plines = 1;
306 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
307
308 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
261 { 309 {
262#ifdef DEBUG_STRICT 310 p = MOD (p - 1, prev_total_rows);
263 assert (screen.rend[q]); 311
264#endif 312 plines++;
265 talloc->free (screen.text[q]); 313 llen += prev_ncol;
266 ralloc->free (screen.rend[q]);
267 } 314 }
268 if (swap.text[p]) 315
316 int qlines = max (0, (llen - 1) / ncol) + 1;
317
318 // drop partial lines completely
319 if (q < qlines)
320 break;
321
322 q -= qlines;
323
324 int lofs = 0;
325 line_t *qline;
326
327 // re-assemble the full line by destination lines
328 for (int qrow = q; qlines--; qrow++)
269 { 329 {
270#ifdef DEBUG_STRICT 330 qline = row_buf + qrow;
271 assert (swap.rend[p]); 331 qline->alloc (); // redundant with next line
272#endif 332 qline->l = ncol;
273 talloc->free (swap.text[p]); 333 qline->is_longer (1);
274 ralloc->free (swap.rend[p]); 334
335 int qcol = 0;
336
337 // see below for cursor adjustment rationale
338 if (p == ocur.row)
339 screen.cur.row = q - (total_rows - nrow);
340
341 // fill a single destination line
342 while (lofs < llen && qcol < ncol)
343 {
344 int prow = lofs / prev_ncol;
345 int pcol = lofs % prev_ncol;
346
347 prow = MOD (p + prow, prev_total_rows);
348
349 // we only adjust the cursor _row_ and put it into
350 // the topmost line of "long line" it was in, as
351 // this seems to upset applications/shells/readline
352 // least.
353 if (prow == ocur.row)
354 screen.cur.row = q - (total_rows - nrow);
355
356 line_t &pline = prev_row_buf [prow];
357
358 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
359
360 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
361 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
362
363 lofs += len;
364 qcol += len;
365 }
275 } 366 }
276#ifdef DEBUG_STRICT 367
277 assert (drawn_text[p] && drawn_rend[p]); 368 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
278#endif 369 qline->is_longer (0);
279 talloc->free (drawn_text[p]); 370 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
280 ralloc->free (drawn_rend[p]);
281 } 371 }
372 while (p != pend && q > 0);
282 373
283 /* we have fewer rows so fix up cursor position */ 374 term_start = total_rows - nrow;
284 MIN_IT (screen.cur.row, (int32_t)nrow - 1); 375 top_row = q - term_start;
285 MIN_IT (swap.cur.row, (int32_t)nrow - 1);
286 376
287 scr_reset_realloc (); /* realloc _last_ */ 377 // make sure all terminal lines exist
288 } 378 while (top_row > 0)
289 else if (nrow > prev_nrow) 379 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
290 { 380 }
291 /* add rows */ 381 else
292 scr_reset_realloc (); /* realloc _first_ */ 382 {
383 // if no scrollback exists (yet), wing, instead of wrap
293 384
294 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this 385 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 { 386 {
300 screen.tlen[p] = 0; 387 line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)];
301 screen.text[p] = NULL; 388 line_t &dst = row_buf [row];
302 screen.rend[p] = NULL; 389
390 scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
391
392 memcpy (dst.t, src.t, sizeof (text_t) * common_col);
393 memcpy (dst.r, src.r, sizeof (rend_t) * common_col);
303 } 394 }
304 395
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++) 396 for (int row = prev_nrow; row < nrow; row++)
309 { 397 scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
310 swap.tlen[p] = 0;
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 }
318 398
319 if (k > 0) 399 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 { 400 }
340 int common = min (prev_ncol, ncol); 401
341 rxvt_salloc *ta = new rxvt_salloc (ncol * sizeof (text_t)); 402 clamp_it (screen.cur.row, 0, nrow - 1);
342 rxvt_salloc *ra = new rxvt_salloc (ncol * sizeof (rend_t)); 403 clamp_it (screen.cur.col, 0, ncol - 1);
343 404 }
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;
350 405
351 MIN_IT(screen.tlen[p], (int16_t)ncol); 406 for (int row = nrow; row--; )
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);
395 } 407 {
408 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
409 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
410 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
411 }
412
413 free (prev_chunk);
414
415 free (tabs);
416 tabs = (char *)rxvt_malloc (ncol);
417
418 for (int col = ncol; col--; )
419 tabs [col] = col % TABSIZE == 0;
420
421 CLEAR_ALL_SELECTION ();
396 422
397 prev_nrow = nrow; 423 prev_nrow = nrow;
398 prev_ncol = ncol; 424 prev_ncol = ncol;
399 425
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 (); 426 tt_winch ();
406}
407 427
408void 428 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} 429}
430 430
431/* ------------------------------------------------------------------------- */ 431void ecb_cold
432/*
433 * Free everything. That way malloc debugging can find leakage.
434 */
435void
436rxvt_term::scr_release() 432rxvt_term::scr_release () NOTHROW
437{ 433{
438 uint16_t total_rows; 434 free (chunk); chunk = 0; row_buf = 0;
439 int i; 435 free (tabs); tabs = 0;
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 }
450#endif
451
452 delete talloc; talloc = 0;
453 delete ralloc; ralloc = 0;
454
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);
466
467 /* NULL these so if anything tries to use them, we'll know about it */
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} 436}
475 437
476/* ------------------------------------------------------------------------- */ 438/* ------------------------------------------------------------------------- */
477/* 439/*
478 * Hard reset 440 * Hard/Soft reset
479 */ 441 */
480/* EXTPROTO */ 442void ecb_cold
481void
482rxvt_scr_poweron(pR) 443rxvt_term::scr_poweron ()
483{ 444{
484 D_SCREEN((stderr, "rxvt_scr_poweron()"));
485
486 R->scr_release (); 445 scr_release ();
446
487 R->prev_nrow = R->prev_ncol = 0; 447 prev_nrow = prev_ncol = 0;
448 rvideo_mode = false;
449 scr_soft_reset ();
488 R->scr_reset (); 450 scr_reset ();
489 451
490 R->scr_clear (); 452 scr_clear (true);
491 R->scr_refresh (SLOW_REFRESH); 453 scr_refresh ();
492#ifdef RXVT_GRAPHICS 454}
493 rxvt_Gr_reset (aR); 455
456void ecb_cold
457rxvt_term::scr_soft_reset () NOTHROW
458{
459 /* only affects modes, nothing drastic such as clearing the screen */
460#if ENABLE_OVERLAY
461 scr_overlay_off ();
494#endif 462#endif
463
464 if (current_screen != PRIMARY)
465 scr_swap_screen ();
466
467 scr_scroll_region (0, MAX_ROWS - 1);
468 scr_rendition (0, ~RS_None);
469 scr_insert_mode (0);
495} 470}
496 471
497/* ------------------------------------------------------------------------- * 472/* ------------------------------------------------------------------------- *
498 * PROCESS SCREEN COMMANDS * 473 * PROCESS SCREEN COMMANDS *
499 * ------------------------------------------------------------------------- */ 474 * ------------------------------------------------------------------------- */
500/* 475/*
501 * Save and Restore cursor 476 * Save and Restore cursor
502 * XTERM_SEQ: Save cursor : ESC 7 477 * XTERM_SEQ: Save cursor : ESC 7
503 * XTERM_SEQ: Restore cursor: ESC 8 478 * XTERM_SEQ: Restore cursor: ESC 8
504 */ 479 */
505/* EXTPROTO */
506void 480void
507rxvt_scr_cursor(pR_ int mode) 481rxvt_term::scr_cursor (cursor_mode mode) NOTHROW
508{ 482{
509 screen_t *s; 483 screen_t *s;
510
511 D_SCREEN((stderr, "rxvt_scr_cursor(%c)", mode));
512 484
513#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 485#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
514 if (R->current_screen == SECONDARY) 486 if (current_screen == SECONDARY)
515 s = &(R->swap); 487 s = &swap;
516 else 488 else
517#endif 489#endif
518 s = &(R->screen); 490 s = &screen;
491
519 switch (mode) { 492 switch (mode)
493 {
520 case SAVE: 494 case SAVE:
521 s->s_cur.row = s->cur.row; 495 s->s_cur.row = screen.cur.row;
522 s->s_cur.col = s->cur.col; 496 s->s_cur.col = screen.cur.col;
523 s->s_rstyle = R->rstyle; 497 s->s_rstyle = rstyle;
524 s->s_charset = s->charset; 498 s->s_charset = screen.charset;
525 s->s_charset_char = R->charsets[s->charset]; 499 s->s_charset_char = charsets[screen.charset];
526 break; 500 break;
501
527 case RESTORE: 502 case RESTORE:
528 R->want_refresh = 1; 503 want_refresh = 1;
529 s->cur.row = s->s_cur.row; 504 screen.cur.row = s->s_cur.row;
530 s->cur.col = s->s_cur.col; 505 screen.cur.col = s->s_cur.col;
531 s->flags &= ~Screen_WrapNext; 506 screen.flags &= ~Screen_WrapNext;
532 R->rstyle = s->s_rstyle; 507 rstyle = s->s_rstyle;
533 s->charset = s->s_charset; 508 screen.charset = s->s_charset;
534 R->charsets[s->charset] = s->s_charset_char; 509 charsets[screen.charset] = s->s_charset_char;
535 rxvt_set_font_style(aR); 510 set_font_style ();
536 break; 511 break;
537 } 512 }
513
538/* boundary check in case screen size changed between SAVE and RESTORE */ 514 /* boundary check in case screen size changed between SAVE and RESTORE */
539 MIN_IT(s->cur.row, R->TermWin.nrow - 1); 515 min_it (s->cur.row, nrow - 1);
540 MIN_IT(s->cur.col, R->TermWin.ncol - 1); 516 min_it (s->cur.col, ncol - 1);
541#ifdef DEBUG_STRICT
542 assert(s->cur.row >= 0); 517 assert (s->cur.row >= 0);
543 assert(s->cur.col >= 0); 518 assert (s->cur.col >= 0);
544#else /* drive with your eyes closed */ 519}
545 MAX_IT(s->cur.row, 0); 520
546 MAX_IT(s->cur.col, 0); 521void
547#endif 522rxvt_term::scr_swap_screen () NOTHROW
523{
524 if (!option (Opt_secondaryScreen))
525 return;
526
527 for (int i = prev_nrow; i--; )
528 ::swap (ROW(i), swap_buf [i]);
529
530 ::swap (screen.cur, swap.cur);
531
532 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
533 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
548} 534}
549 535
550/* ------------------------------------------------------------------------- */ 536/* ------------------------------------------------------------------------- */
551/* 537/*
552 * Swap between primary and secondary screens 538 * Swap between primary and secondary screens
553 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 539 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
554 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 540 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
555 */ 541 */
556/* EXTPROTO */ 542void
557int
558rxvt_scr_change_screen(pR_ int scrn) 543rxvt_term::scr_change_screen (int scrn)
559{ 544{
560 int i; 545 if (scrn == current_screen)
546 return;
547
548 want_refresh = 1;
549 view_start = 0;
550
551 /* check for boundary cross */
552 row_col_t pos;
553 pos.row = pos.col = 0;
554 if (ROWCOL_IS_BEFORE (selection.beg, pos)
555 && ROWCOL_IS_AFTER (selection.end, pos))
556 CLEAR_SELECTION ();
557
558 current_screen = scrn;
559
561#if NSCREENS 560#if NSCREENS
562 int offset; 561 if (option (Opt_secondaryScreen))
563#endif 562 {
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; 563 num_scr = 0;
579 offset = R->TermWin.saveLines; 564
580 for (i = R->prev_nrow; i--;) { 565 scr_swap_screen ();
581 SWAP_IT(R->screen.text[i + offset], R->swap.text[i], text_t *); 566
582 SWAP_IT(R->screen.tlen[i + offset], R->swap.tlen[i], int16_t); 567 ::swap (screen.charset, swap.charset);
583 SWAP_IT(R->screen.rend[i + offset], R->swap.rend[i], rend_t *); 568 ::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; 569 screen.flags |= Screen_VisibleCursor;
599 R->swap.flags |= Screen_VisibleCursor; 570 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 } 571 }
572 else
607# endif 573#endif
608#else 574 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); 575 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
620# endif 576}
621#endif 577
578// clear WrapNext indicator, solidifying position on next line
579void
580rxvt_term::scr_do_wrap () NOTHROW
581{
582 if (!(screen.flags & Screen_WrapNext))
622 return scrn; 583 return;
584
585 screen.flags &= ~Screen_WrapNext;
586
587 screen.cur.col = 0;
588
589 if (screen.cur.row == screen.bscroll)
590 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
591 else if (screen.cur.row < nrow - 1)
592 screen.cur.row++;
623} 593}
624 594
625/* ------------------------------------------------------------------------- */ 595/* ------------------------------------------------------------------------- */
626/* 596/*
627 * Change the colour for following text 597 * Change the colour for following text
628 */ 598 */
629/* EXTPROTO */
630void 599void
631rxvt_scr_color(pR_ unsigned int color, int fgbg) 600rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW
632{ 601{
602 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
633 color &= RS_fgMask; 603 color = fgbg;
604
634 if (fgbg == Color_fg) 605 if (fgbg == Color_fg)
635 R->rstyle = SET_FGCOLOR(R->rstyle, color); 606 rstyle = SET_FGCOLOR (rstyle, color);
636 else 607 else
637 R->rstyle = SET_BGCOLOR(R->rstyle, color); 608 rstyle = SET_BGCOLOR (rstyle, color);
638} 609}
639 610
640/* ------------------------------------------------------------------------- */ 611/* ------------------------------------------------------------------------- */
641/* 612/*
642 * Change the rendition style for following text 613 * Change the rendition style for following text
643 */ 614 */
644/* EXTPROTO */
645void 615void
646rxvt_scr_rendition(pR_ int set, int style) 616rxvt_term::scr_rendition (int set, int style) NOTHROW
647{ 617{
648 if (set) 618 if (set)
649 R->rstyle |= style; 619 rstyle |= style;
650 else if (style == ~RS_None) 620 else if (style == ~RS_None)
651 R->rstyle = DEFAULT_RSTYLE; 621 rstyle = DEFAULT_RSTYLE;
652 else 622 else
653 R->rstyle &= ~style; 623 rstyle &= ~style;
654} 624}
655 625
656/* ------------------------------------------------------------------------- */ 626/* ------------------------------------------------------------------------- */
657/* 627/*
658 * Scroll text between <row1> and <row2> inclusive, by <count> lines 628 * Scroll text between <row1> and <row2> inclusive, by <count> lines
659 * count positive ==> scroll up 629 * count positive ==> scroll up
660 * count negative ==> scroll down 630 * count negative ==> scroll down
661 * spec == 0 for normal routines
662 */ 631 */
663int 632int ecb_hot
664rxvt_term::scr_scroll_text (int row1, int row2, int count, int spec) 633rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
665{ 634{
666 int i, j;
667 long nscrolled;
668
669 if (count == 0 || (row1 > row2)) 635 if (count == 0 || (row1 > row2))
670 return 0; 636 return 0;
671 637
672 want_refresh = 1; 638 want_refresh = 1;
673 D_SCREEN((stderr, "rxvt_scroll_text(%d,%d,%d,%d): %s", row1, row2, count, spec, (current_screen == PRIMARY) ? "Primary" : "Secondary")); 639 num_scr += count;
674 640
675 if ((count > 0) && (row1 == 0) && (current_screen == PRIMARY)) 641 if (count > 0
642 && row1 == 0
643 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
644 {
645 min_it (count, total_rows - (nrow - (row2 + 1)));
646
647 top_row = max (top_row - count, -saveLines);
648
649 // sever bottommost line
676 { 650 {
677 nscrolled = (long)TermWin.nscrolled + (long)count; 651 line_t &l = ROW(row2);
678 652 l.is_longer (0);
679 if (nscrolled > (long)TermWin.saveLines) 653 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 } 654 }
689 else if (!spec)
690 row1 += TermWin.saveLines;
691 655
692 row2 += TermWin.saveLines; 656 // scroll everything up 'count' lines
657 term_start = (term_start + count) % total_rows;
693 658
659 // now copy lines below the scroll region bottom to the
660 // bottom of the screen again, so they look as if they
661 // hadn't moved.
662 for (int i = nrow; --i > row2; )
663 {
664 line_t &l1 = ROW(i - count);
665 line_t &l2 = ROW(i);
666
667 ::swap (l1, l2);
668 l2.touch ();
669 }
670
671 // erase newly scrolled-in lines
672 for (int i = count; i--; )
673 {
674 line_t &l = ROW(row2 - i);
675
676 // optimise if already cleared, can be significant on slow machines
677 // could be rolled into scr_blank_screen_mem
678 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
679 {
680 scr_blank_line (l, 0, l.l, rstyle);
681 l.l = 0;
682 l.f = 0;
683 }
684 else
685 scr_blank_screen_mem (l, rstyle);
686 }
687
688 // move and/or clear selection, if any
694 if (selection.op && current_screen == selection.screen) 689 if (selection.op && current_screen == selection.screen
695 { 690 && selection.beg.row <= row2)
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 } 691 {
708 else if (j >= row1 && j <= row2)
709 {
710 /* move selected region too */
711 selection.beg.row -= count; 692 selection.beg.row -= count;
712 selection.end.row -= count; 693 selection.end.row -= count;
713 selection.mark.row -= count; 694 selection.mark.row -= count;
714 }
715 }
716 695
717 rxvt_selection_check (this, 0); /* _after_ TermWin.nscrolled update */ 696 selection_check (0);
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 { 697 }
735 buf_text[i] = screen.text[j]; 698
736 buf_rend[i] = screen.rend[j]; 699 // finally move the view window, if desired
700 if (option (Opt_scrollWithBuffer)
701 && view_start != 0
702 && view_start != -saveLines)
703 scr_page (UP, count);
704
705 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
706 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
707 }
708 else
709 {
710 if (selection.op && current_screen == selection.screen)
737 } 711 {
738 /* A2: Rotate lines */ 712 if ((selection.beg.row < row1 && selection.end.row > row1)
739 for (j = row1, i = j + count; i <= row2; i++, j++) 713 || (selection.beg.row < row2 && selection.end.row > row2)
714 || (selection.beg.row - count < row1 && selection.beg.row >= row1)
715 || (selection.beg.row - count > row2 && selection.beg.row <= row2)
716 || (selection.end.row - count < row1 && selection.end.row >= row1)
717 || (selection.end.row - count > row2 && selection.end.row <= row2))
718 {
719 CLEAR_ALL_SELECTION ();
720 selection.op = SELECTION_CLEAR;
721 }
722 else if (selection.end.row >= row1 && selection.end.row <= row2)
723 {
724 /* move selected region too */
725 selection.beg.row -= count;
726 selection.end.row -= count;
727 selection.mark.row -= count;
728
729 selection_check (0);
730 }
740 { 731 }
741 screen.tlen[j] = screen.tlen[i]; 732
742 screen.text[j] = screen.text[i]; 733 // use a simple and robust scrolling algorithm, this
743 screen.rend[j] = screen.rend[i]; 734 // part of scr_scroll_text is not time-critical.
735
736 // sever line above scroll region
737 if (row1)
744 } 738 {
745 j = row2 - count + 1, i = count; 739 line_t &l = ROW(row1 - 1);
746 } 740 l.is_longer (0);
747 else /* if (j < 0) */ 741 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 { 742 }
754 buf_text[i] = screen.text[j]; 743
755 buf_rend[i] = screen.rend[j]; 744 int rows = row2 - row1 + 1;
745
746 min_it (count, rows);
747
748 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
749
750 for (int row = 0; row < rows; row++)
756 } 751 {
757 /* B2: Rotate lines */ 752 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
758 for (j = row2, i = j - count; i >= row1; i--, j--) 753
754 if (!IN_RANGE_EXC (row + count, 0, rows))
755 scr_blank_screen_mem (temp_buf [row], rstyle);
759 { 756 }
760 screen.tlen[j] = screen.tlen[i]; 757
761 screen.text[j] = screen.text[i]; 758 for (int row = 0; row < rows; row++)
762 screen.rend[j] = screen.rend[i]; 759 ROW(row1 + row) = temp_buf [row];
760
761 // sever bottommost line
762 {
763 line_t &l = ROW(row2);
764 l.is_longer (0);
765 l.touch ();
763 } 766 }
764 j = row1, i = count;
765 count = -count;
766 }
767
768 /* C: Resurrect lines */
769 for (; i--; j++)
770 { 767 }
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
784 768
785 return count; 769 return count;
786} 770}
787 771
788/* ------------------------------------------------------------------------- */ 772/* ------------------------------------------------------------------------- */
789/* 773/*
790 * Add text given in <str> of length <len> to screen struct 774 * Add text given in <str> of length <len> to screen struct
791 */ 775 */
792/* EXTPROTO */ 776void ecb_hot
793void 777rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
794rxvt_scr_add_lines(pR_ const uint32_t *str, int nlines, int len)
795{ 778{
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 */ 779 if (len <= 0) /* sanity */
803 return; 780 return;
804 781
782 bool checksel;
783 unicode_t c;
784 int ncol = this->ncol;
785 const wchar_t *strend = str + len;
786
805 R->want_refresh = 1; 787 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); 788 ZERO_SCROLLBACK ();
789
810 if (nlines > 0) { 790 if (minlines > 0)
791 {
811 nlines += (R->screen.cur.row - R->screen.bscroll); 792 minlines += screen.cur.row - screen.bscroll;
793 min_it (minlines, screen.cur.row - top_row);
794
812 if ((nlines > 0) 795 if (minlines > 0
813 && (R->screen.tscroll == 0) 796 && screen.tscroll == 0
814 && (R->screen.bscroll == (R->TermWin.nrow - 1))) { 797 && screen.bscroll == nrow - 1)
798 {
815 /* _at least_ this many lines need to be scrolled */ 799 /* _at least_ this many lines need to be scrolled */
816 R->scr_scroll_text(R->screen.tscroll, R->screen.bscroll, nlines, 0); 800 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
817 R->screen.cur.row -= nlines; 801 screen.cur.row -= minlines;
818 } 802 }
819 } 803 }
820#ifdef DEBUG_STRICT 804
821 assert(R->screen.cur.col < last_col); 805 assert (screen.cur.col < ncol);
822 assert((R->screen.cur.row < R->TermWin.nrow) 806 assert (screen.cur.row < nrow
823 && (R->screen.cur.row >= -(int32_t)R->TermWin.nscrolled)); 807 && screen.cur.row >= top_row);
824#else /* drive with your eyes closed */ 808 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;
830 809
831 checksel = (R->selection.op 810 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
832 && R->current_screen == R->selection.screen) ? 1 : 0;
833 clearsel = 0;
834 811
835 stp = R->screen.text[row]; 812 line_t *line = &ROW(row);
836 srp = R->screen.rend[row];
837 813
838 for (i = 0; i < len;) { 814 while (str < strend)
839 c = str[i++]; 815 {
840 switch (c) { 816 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
841 case '\t': 817
842 rxvt_scr_tab (aR_ 1); 818 if (ecb_unlikely (c < 0x20))
819 if (c == C0_LF)
820 {
821 max_it (line->l, screen.cur.col);
822
823 screen.flags &= ~Screen_WrapNext;
824
825 if (screen.cur.row == screen.bscroll)
826 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
827 else if (screen.cur.row < (nrow - 1))
828 row = ++screen.cur.row;
829
830 line = &ROW(row); /* _must_ refresh */
843 continue; 831 continue;
844 case '\n': 832 }
845 if (R->screen.tlen[row] != -1) /* XXX: think about this */ 833 else if (c == C0_CR)
846 MAX_IT(R->screen.tlen[row], R->screen.cur.col); 834 {
835 max_it (line->l, screen.cur.col);
836
847 R->screen.flags &= ~Screen_WrapNext; 837 screen.flags &= ~Screen_WrapNext;
848 if (R->screen.cur.row == R->screen.bscroll) 838 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; 839 continue;
855 case '\r': 840 }
856 if (R->screen.tlen[row] != -1) /* XXX: think about this */ 841 else if (c == C0_HT)
857 MAX_IT(R->screen.tlen[row], R->screen.cur.col); 842 {
858 R->screen.flags &= ~Screen_WrapNext; 843 scr_tab (1, true);
859 R->screen.cur.col = 0;
860 continue; 844 continue;
861 default:
862 if (c == 127)
863 continue; /* yummmm..... */
864 break;
865 } 845 }
866 846
847 if (ecb_unlikely (
867 if (checksel /* see if we're writing within selection */ 848 checksel /* see if we're writing within selection */
868 && !ROWCOL_IS_BEFORE(R->screen.cur, R->selection.beg) 849 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
869 && ROWCOL_IS_BEFORE(R->screen.cur, R->selection.end)) { 850 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
851 ))
852 {
870 checksel = 0; 853 checksel = 0;
871 clearsel = 1; 854 /*
855 * If we wrote anywhere in the selected area, kill the selection
856 * XXX: should we kill the mark too? Possibly, but maybe that
857 * should be a similar check.
858 */
859 CLEAR_SELECTION ();
860 }
861
862 if (ecb_unlikely (screen.flags & Screen_WrapNext))
872 } 863 {
873 if (R->screen.flags & Screen_WrapNext) { 864 scr_do_wrap ();
874 R->screen.tlen[row] = -1; 865
875 if (R->screen.cur.row == R->screen.bscroll) 866 line->l = ncol;
876 R->scr_scroll_text(R->screen.tscroll, R->screen.bscroll, 1, 0); 867 line->is_longer (1);
877 else if (R->screen.cur.row < (R->TermWin.nrow - 1)) 868
878 row = (++R->screen.cur.row) + R->TermWin.saveLines; 869 row = screen.cur.row;
879 stp = R->screen.text[row]; /* _must_ refresh */ 870 line = &ROW(row); /* _must_ refresh */
880 srp = R->screen.rend[row]; /* _must_ refresh */ 871 }
881 R->screen.cur.col = 0; 872
882 R->screen.flags &= ~Screen_WrapNext; 873 // some utf-8 decoders "decode" surrogate characters: let's fix this.
874 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
875 c = 0xfffd;
876
877 // rely on wcwidth to tell us the character width, do wcwidth before
878 // further replacements, as wcwidth might return -1 for the line
879 // drawing characters below as they might be invalid in the current
880 // locale.
881 int width = WCWIDTH (c);
882
883 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
883 } 884 {
884 if (R->screen.flags & Screen_Insert) 885 // vt100 special graphics and line drawing
885 rxvt_scr_insdel_chars(aR_ 1, INSERT); 886 // 5f-7e standard vt100
887 // 40-5e rxvt extension for extra curses acs chars
888 static uint16_t vt100_0[62] = { // 41 .. 7e
889 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman!
890 0, 0, 0, 0, 0, 0, 0, 0, // 48-4f
891 0, 0, 0, 0, 0, 0, 0, 0, // 50-57
892 0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f
893 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
894 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
895 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
896 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
897 };
886 898
887 if (R->charsets[R->screen.charset] == '0') // DEC SPECIAL 899 if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41])
888 switch (c)
889 { 900 {
890 case '+': c = 0x2192; break; case ',': c = 0x2190; break; case '-': c = 0x2191; break; 901 c = vt100_0[c - 0x41];
891 case '.': c = 0x2193; break; case '0': c = 0x25ae; break; case '`': c = 0x25c6; break; 902 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 } 903 }
904 }
902 905
906 if (ecb_unlikely (screen.flags & Screen_Insert))
907 scr_insdel_chars (width, INSERT);
908
909 if (width != 0)
910 {
911#if !UNICODE_3
912 // trim characters we can't store directly :(
913 if (c >= 0x10000)
914# if ENABLE_COMBINING
915 c = rxvt_composite.compose (c); // map to lower 16 bits
916# else
917 c = 0xfffd;
918# endif
919#endif
920
903 rend_t rend = SET_FONT (R->rstyle, R->TermWin.fontset->find_font (c)); 921 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
904 // rely on wcwidth to tell us the character width, at least for non-ascii
905 int width = c <= 128 ? 1 : wcwidth (c);
906 922
907 // width 0 characters (e.g. combining chars) are ignored. your problem, really 923 // if the character doesn't fit into the remaining columns...
908 while (width-- > 0) 924 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
909 { 925 {
910 stp[R->screen.cur.col] = c; 926 if (screen.flags & Screen_Autowrap)
911 srp[R->screen.cur.col] = rend; 927 {
912 928 // ... artificially enlargen the previous one
913 if (R->screen.cur.col < last_col - 1) 929 c = NOCHAR;
914 R->screen.cur.col++; 930 // and try the same character next loop iteration
931 --str;
932 }
915 else 933 else
934 screen.cur.col = ncol - width;
935 }
936
937 // nuke the character at this position, if required
938 // due to wonderful coincidences everywhere else in this loop
939 // we never have to check for overwriting a wide char itself,
940 // only its tail.
941 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
942 scr_kill_char (*line, screen.cur.col);
943
944 line->touch ();
945
946 do
947 {
948 line->t[screen.cur.col] = c;
949 line->r[screen.cur.col] = rend;
950
951 if (ecb_likely (screen.cur.col < ncol - 1))
952 screen.cur.col++;
953 else
916 { 954 {
917 R->screen.tlen[row] = last_col; 955 line->l = ncol;
918 if (R->screen.flags & Screen_Autowrap) 956 if (screen.flags & Screen_Autowrap)
919 R->screen.flags |= Screen_WrapNext; 957 screen.flags |= Screen_WrapNext;
920 break; 958
959 goto end_of_line;
921 } 960 }
922 961
923 c = NOCHAR; 962 c = NOCHAR;
924 } 963 }
925 } 964 while (ecb_unlikely (--width > 0));
926 if (R->screen.tlen[row] != -1) /* XXX: think about this */
927 MAX_IT(R->screen.tlen[row], R->screen.cur.col);
928 965
929/* 966 // pad with spaces when overwriting wide character with smaller one
930 * If we wrote anywhere in the selected area, kill the selection 967 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
931 * XXX: should we kill the mark too? Possibly, but maybe that 968 {
932 * should be a similar check. 969 line->t[c] = ' ';
933 */ 970 line->r[c] = rend;
934 if (clearsel) 971 }
935 CLEAR_SELECTION(R);
936 972
937#ifdef DEBUG_STRICT 973end_of_line:
974 ;
975 }
976#if ENABLE_COMBINING
977 else // width == 0
978 {
979 if (c != 0xfeff) // ignore BOM
980 {
981 // handle combining characters
982 // we just tag the accent on the previous on-screen character.
983 // this is arguably not correct, but also arguably not wrong.
984 // we don't handle double-width characters nicely yet.
985 line_t *linep;
986 text_t *tp;
987 rend_t *rp;
988
989 if (screen.cur.col > 0)
990 {
991 linep = line;
992 tp = line->t + screen.cur.col - 1;
993 rp = line->r + screen.cur.col - 1;
994 }
995 else if (screen.cur.row > 0
996 && ROW(screen.cur.row - 1).is_longer ())
997 {
998 linep = &ROW(screen.cur.row - 1);
999 tp = line->t + ncol - 1;
1000 rp = line->r + ncol - 1;
1001 }
1002 else
1003 continue;
1004
1005 linep->touch ();
1006
1007 while (*tp == NOCHAR && tp > linep->t)
1008 tp--, rp--;
1009
1010 // first try to find a precomposed character
1011 unicode_t n = rxvt_compose (*tp, c);
1012 if (n == NOCHAR)
1013 n = rxvt_composite.compose (*tp, c);
1014
1015 *tp = n;
1016 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
1017 }
1018 }
1019#endif
1020 }
1021
1022 max_it (line->l, screen.cur.col);
1023
938 assert(R->screen.cur.row >= 0); 1024 assert (screen.cur.row >= 0);
939#else /* drive with your eyes closed */
940 MAX_IT(R->screen.cur.row, 0);
941#endif
942} 1025}
943 1026
944/* ------------------------------------------------------------------------- */ 1027/* ------------------------------------------------------------------------- */
945/* 1028/*
946 * Process Backspace. Move back the cursor back a position, wrap if have to 1029 * Process Backspace. Move back the cursor back a position, wrap if have to
947 * XTERM_SEQ: CTRL-H 1030 * XTERM_SEQ: CTRL-H
948 */ 1031 */
949/* EXTPROTO */
950void 1032void
951rxvt_scr_backspace(pR) 1033rxvt_term::scr_backspace () NOTHROW
952{ 1034{
953 R->want_refresh = 1;
954 if (R->screen.cur.col == 0) { 1035 if (screen.cur.col == 0)
1036 {
955 if (R->screen.cur.row > 0) { 1037 if (screen.cur.row > 0)
1038 {
956#ifdef TERMCAP_HAS_BW 1039#ifdef TERMCAP_HAS_BW
957 R->screen.cur.col = R->TermWin.ncol - 1; 1040 screen.cur.col = ncol - 1;
958 R->screen.cur.row--; 1041 --screen.cur.row;
959 return; 1042
1043 want_refresh = 1;
960#endif 1044#endif
961 } 1045 }
1046 }
962 } else if ((R->screen.flags & Screen_WrapNext) == 0) 1047 else if (screen.flags & Screen_WrapNext)
963 rxvt_scr_gotorc(aR_ 0, -1, RELATIVE);
964 R->screen.flags &= ~Screen_WrapNext; 1048 screen.flags &= ~Screen_WrapNext;
1049 else
1050 scr_gotorc (0, -1, RELATIVE);
965} 1051}
966 1052
967/* ------------------------------------------------------------------------- */ 1053/* ------------------------------------------------------------------------- */
968/* 1054/*
969 * Process Horizontal Tab 1055 * Process Horizontal Tab
970 * count: +ve = forward; -ve = backwards 1056 * count: +ve = forward; -ve = backwards
971 * XTERM_SEQ: CTRL-I 1057 * XTERM_SEQ: CTRL-I
972 */ 1058 */
973/* EXTPROTO */
974void 1059void
975rxvt_scr_tab(pR_ int count) 1060rxvt_term::scr_tab (int count, bool ht) NOTHROW
976{ 1061{
977 int i, x; 1062 int i, x;
978 1063
979 D_SCREEN((stderr, "rxvt_scr_tab(%d)", count));
980 R->want_refresh = 1; 1064 want_refresh = 1;
981 i = x = R->screen.cur.col; 1065 i = x = screen.cur.col;
1066
982 if (count == 0) 1067 if (count == 0)
983 return; 1068 return;
984 else if (count > 0) { 1069 else if (count > 0)
1070 {
1071 line_t &l = ROW(screen.cur.row);
1072 rend_t base_rend = l.r[i];
1073 ht &= l.t[i] == ' ';
1074
985 for (; ++i < R->TermWin.ncol; ) 1075 for (; ++i < ncol; )
986 if (R->tabs[i]) { 1076 if (tabs[i])
1077 {
987 x = i; 1078 x = i;
1079
988 if (!--count) 1080 if (!--count)
989 break; 1081 break;
1082 }
1083 else
1084 ht &= l.t[i] == ' '
1085 && RS_SAME (l.r[i], base_rend);
1086
1087 if (count)
1088 x = ncol - 1;
1089
1090 // store horizontal tab commands as characters inside the text
1091 // buffer so they can be selected and pasted.
1092 if (ht && option (Opt_pastableTabs))
1093 {
1094 base_rend = SET_FONT (base_rend, 0);
1095
1096 l.touch (x);
1097
1098 i = screen.cur.col;
1099
1100 l.t[i] = '\t';
1101 l.r[i] = base_rend;
1102
1103 while (++i < x)
1104 {
1105 l.t[i] = NOCHAR;
1106 l.r[i] = base_rend;
990 } 1107 }
991 if (count) 1108 }
992 x = R->TermWin.ncol - 1; 1109 }
993 } else /* if (count < 0) */ { 1110 else /* if (count < 0) */
1111 {
994 for (; --i >= 0; ) 1112 for (; --i >= 0; )
995 if (R->tabs[i]) { 1113 if (tabs[i])
996 x = i;
997 if (!++count)
998 break;
999 } 1114 {
1000 if (count)
1001 x = 0; 1115 x = i;
1116 if (!++count)
1117 break;
1118 }
1119
1120 if (count)
1121 x = 0;
1002 } 1122 }
1123
1003 if (x != R->screen.cur.col) 1124 if (x != screen.cur.col)
1004 rxvt_scr_gotorc(aR_ 0, x, R_RELATIVE); 1125 scr_gotorc (0, x, R_RELATIVE);
1005} 1126}
1006 1127
1007/* ------------------------------------------------------------------------- */ 1128/* ------------------------------------------------------------------------- */
1008/* 1129/*
1009 * Process DEC Back Index 1130 * Process DEC Back Index
1010 * XTERM_SEQ: ESC 6 1131 * XTERM_SEQ: ESC 6
1011 * Move cursor left in row. If we're at the left boundary, shift everything 1132 * Move cursor left in row. If we're at the left boundary, shift everything
1012 * in that row right. Clear left column. 1133 * in that row right. Clear left column.
1013 */ 1134 */
1014#ifndef NO_FRILLS 1135#if !ENABLE_MINIMAL
1015/* EXTPROTO */ 1136void ecb_cold
1016void 1137rxvt_term::scr_backindex () NOTHROW
1017rxvt_scr_backindex(pR)
1018{ 1138{
1019 if (R->screen.cur.col > 0) 1139 if (screen.cur.col > 0)
1020 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE); 1140 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1021 else { 1141 else
1022 if (R->screen.tlen[R->screen.cur.row + R->TermWin.saveLines] == 0)
1023 return; /* um, yeah? */
1024 rxvt_scr_insdel_chars(aR_ 1, INSERT); 1142 scr_insdel_chars (1, INSERT);
1025 }
1026} 1143}
1027#endif 1144#endif
1028/* ------------------------------------------------------------------------- */ 1145/* ------------------------------------------------------------------------- */
1029/* 1146/*
1030 * Process DEC Forward Index 1147 * Process DEC Forward Index
1031 * XTERM_SEQ: ESC 9 1148 * XTERM_SEQ: ESC 9
1032 * Move cursor right in row. If we're at the right boundary, shift everything 1149 * Move cursor right in row. If we're at the right boundary, shift everything
1033 * in that row left. Clear right column. 1150 * in that row left. Clear right column.
1034 */ 1151 */
1035#ifndef NO_FRILLS 1152#if !ENABLE_MINIMAL
1036/* EXTPROTO */ 1153void ecb_cold
1037void 1154rxvt_term::scr_forwardindex () NOTHROW
1038rxvt_scr_forwardindex(pR)
1039{ 1155{
1040 int row;
1041
1042 if (R->screen.cur.col < R->TermWin.ncol - 1) 1156 if (screen.cur.col < ncol - 1)
1043 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE); 1157 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1044 else { 1158 else
1045 row = R->screen.cur.row + R->TermWin.saveLines; 1159 {
1046 if (R->screen.tlen[row] == 0) 1160 line_t &l = ROW(screen.cur.row);
1047 return; /* um, yeah? */ 1161
1048 else if (R->screen.tlen[row] == -1) 1162 l.touch ();
1049 R->screen.tlen[row] = R->TermWin.ncol; 1163 l.is_longer (0);
1164
1050 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE); 1165 scr_gotorc (0, 0, R_RELATIVE);
1051 rxvt_scr_insdel_chars(aR_ 1, DELETE); 1166 scr_insdel_chars (1, DELETE);
1052 rxvt_scr_gotorc(aR_ 0, R->TermWin.ncol - 1, R_RELATIVE); 1167 scr_gotorc (0, ncol - 1, R_RELATIVE);
1053 } 1168 }
1054} 1169}
1055#endif 1170#endif
1056 1171
1057/* ------------------------------------------------------------------------- */ 1172/* ------------------------------------------------------------------------- */
1058/* 1173/*
1059 * Goto Row/Column 1174 * Goto Row/Column
1060 */ 1175 */
1061/* EXTPROTO */
1062void 1176void
1063rxvt_scr_gotorc(pR_ int row, int col, int relative) 1177rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW
1064{ 1178{
1065 R->want_refresh = 1; 1179 want_refresh = 1;
1066 ZERO_SCROLLBACK(R); 1180 ZERO_SCROLLBACK ();
1067#ifdef RXVT_GRAPHICS
1068 if (rxvt_Gr_Displayed(aR))
1069 rxvt_Gr_scroll(aR_ 0);
1070#endif
1071 1181
1072 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));
1073
1074 R->screen.cur.col = ((relative & C_RELATIVE) ? (R->screen.cur.col + col) 1182 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1075 : col); 1183 clamp_it (screen.cur.col, 0, ncol - 1);
1076 MAX_IT(R->screen.cur.col, 0);
1077 MIN_IT(R->screen.cur.col, (int32_t)R->TermWin.ncol - 1);
1078 1184
1079 R->screen.flags &= ~Screen_WrapNext; 1185 screen.flags &= ~Screen_WrapNext;
1186
1080 if (relative & R_RELATIVE) { 1187 if (relative & R_RELATIVE)
1188 {
1081 if (row > 0) { 1189 if (row > 0)
1190 {
1082 if (R->screen.cur.row <= R->screen.bscroll 1191 if (screen.cur.row <= screen.bscroll
1083 && (R->screen.cur.row + row) > R->screen.bscroll) 1192 && (screen.cur.row + row) > screen.bscroll)
1084 R->screen.cur.row = R->screen.bscroll; 1193 screen.cur.row = screen.bscroll;
1085 else 1194 else
1086 R->screen.cur.row += row;
1087 } else if (row < 0) {
1088 if (R->screen.cur.row >= R->screen.tscroll
1089 && (R->screen.cur.row + row) < R->screen.tscroll)
1090 R->screen.cur.row = R->screen.tscroll;
1091 else
1092 R->screen.cur.row += row;
1093 }
1094 } else {
1095 if (R->screen.flags & Screen_Relative) { /* relative origin mode */
1096 R->screen.cur.row = row + R->screen.tscroll;
1097 MIN_IT(R->screen.cur.row, R->screen.bscroll);
1098 } else
1099 R->screen.cur.row = row; 1195 screen.cur.row += row;
1196 }
1197 else if (row < 0)
1198 {
1199 if (screen.cur.row >= screen.tscroll
1200 && (screen.cur.row + row) < screen.tscroll)
1201 screen.cur.row = screen.tscroll;
1202 else
1203 screen.cur.row += row;
1204 }
1205 }
1206 else
1100 } 1207 {
1101 MAX_IT(R->screen.cur.row, 0); 1208 if (screen.flags & Screen_Relative)
1102 MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1); 1209 {
1103} 1210 /* relative origin mode */
1211 screen.cur.row = row + screen.tscroll;
1212 min_it (screen.cur.row, screen.bscroll);
1213 }
1214 else
1215 screen.cur.row = row;
1216 }
1104 1217
1218 clamp_it (screen.cur.row, 0, nrow - 1);
1219}
1220
1105/* ------------------------------------------------------------------------- */ 1221/* ------------------------------------------------------------------------- */
1106/* 1222/*
1107 * direction should be UP or DN 1223 * direction should be UP or DN
1108 */ 1224 */
1109/* EXTPROTO */
1110void 1225void
1111rxvt_scr_index(pR_ enum page_dirn direction) 1226rxvt_term::scr_index (enum page_dirn direction) NOTHROW
1112{ 1227{
1113 int dirn; 1228 int dirn;
1114 1229
1115 R->want_refresh = 1; 1230 want_refresh = 1;
1231 ZERO_SCROLLBACK ();
1232
1116 dirn = ((direction == UP) ? 1 : -1); 1233 dirn = ((direction == UP) ? 1 : -1);
1117 D_SCREEN((stderr, "rxvt_scr_index(%d)", dirn));
1118 1234
1119 ZERO_SCROLLBACK(R);
1120
1121#ifdef RXVT_GRAPHICS
1122 if (rxvt_Gr_Displayed(aR))
1123 rxvt_Gr_scroll(aR_ 0);
1124#endif
1125
1126 R->screen.flags &= ~Screen_WrapNext; 1235 screen.flags &= ~Screen_WrapNext;
1236
1127 if ((R->screen.cur.row == R->screen.bscroll && direction == UP) 1237 if ((screen.cur.row == screen.bscroll && direction == UP)
1128 || (R->screen.cur.row == R->screen.tscroll && direction == DN)) 1238 || (screen.cur.row == screen.tscroll && direction == DN))
1129 R->scr_scroll_text(R->screen.tscroll, R->screen.bscroll, dirn, 0); 1239 scr_scroll_text (screen.tscroll, screen.bscroll, dirn);
1130 else 1240 else
1131 R->screen.cur.row += dirn; 1241 screen.cur.row += dirn;
1132 MAX_IT(R->screen.cur.row, 0); 1242
1133 MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1); 1243 clamp_it (screen.cur.row, 0, nrow - 1);
1134 rxvt_selection_check(aR_ 0); 1244 selection_check (0);
1135} 1245}
1136 1246
1137/* ------------------------------------------------------------------------- */ 1247/* ------------------------------------------------------------------------- */
1138/* 1248/*
1139 * Erase part or whole of a line 1249 * Erase part or whole of a line
1140 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1250 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1141 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1251 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1142 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1252 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1253 * extension: clear to right unless wrapped: ESC [ 3 K
1143 */ 1254 */
1144/* EXTPROTO */
1145void 1255void
1146rxvt_scr_erase_line(pR_ int mode) 1256rxvt_term::scr_erase_line (int mode) NOTHROW
1147{ 1257{
1148 unsigned int row, col, num; 1258 unsigned int col, num;
1149 1259
1150 R->want_refresh = 1; 1260 want_refresh = 1;
1151 D_SCREEN((stderr, "rxvt_scr_erase_line(%d) at screen row: %d", mode, R->screen.cur.row));
1152 ZERO_SCROLLBACK (R); 1261 ZERO_SCROLLBACK ();
1153 1262
1154#ifdef RXVT_GRAPHICS
1155 if (rxvt_Gr_Displayed (aR))
1156 rxvt_Gr_scroll (aR_ 0);
1157#endif
1158
1159 rxvt_selection_check (aR_ 1); 1263 selection_check (1);
1160 1264
1161 R->screen.flags &= ~Screen_WrapNext; 1265 line_t &line = ROW(screen.cur.row);
1162 1266
1163 row = R->TermWin.saveLines + R->screen.cur.row; 1267 line.touch ();
1268 line.is_longer (0);
1269
1164 switch (mode) 1270 switch (mode)
1165 { 1271 {
1272 case 3:
1273 if (screen.flags & Screen_WrapNext)
1274 return;
1275
1276 /* fall through */
1277
1166 case 0: /* erase to end of line */ 1278 case 0: /* erase to end of line */
1167 col = R->screen.cur.col; 1279 col = screen.cur.col;
1168 num = R->TermWin.ncol - col; 1280 num = ncol - col;
1169 MIN_IT(R->screen.tlen[row], (int16_t)col); 1281 min_it (line.l, col);
1282
1170 if (ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur) 1283 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1171 || ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.end, R->screen.cur)) 1284 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1172 CLEAR_SELECTION(R); 1285 CLEAR_SELECTION ();
1173 break; 1286 break;
1287
1174 case 1: /* erase to beginning of line */ 1288 case 1: /* erase to beginning of line */
1175 col = 0; 1289 col = 0;
1176 num = R->screen.cur.col + 1; 1290 num = screen.cur.col + 1;
1291
1177 if (ROWCOL_IN_ROW_AT_OR_BEFORE(R->selection.beg, R->screen.cur) 1292 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1178 || ROWCOL_IN_ROW_AT_OR_BEFORE(R->selection.end, R->screen.cur)) 1293 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1179 CLEAR_SELECTION(R); 1294 CLEAR_SELECTION ();
1180 break; 1295 break;
1296
1181 case 2: /* erase whole line */ 1297 case 2: /* erase whole line */
1182 col = 0; 1298 col = 0;
1183 num = R->TermWin.ncol; 1299 num = ncol;
1184 R->screen.tlen[row] = 0; 1300 line.l = 0;
1185 if (R->selection.beg.row <= R->screen.cur.row 1301 if (selection.beg.row <= screen.cur.row
1186 && R->selection.end.row >= R->screen.cur.row) 1302 && selection.end.row >= screen.cur.row)
1187 CLEAR_SELECTION(R); 1303 CLEAR_SELECTION ();
1188 break; 1304 break;
1189 default: 1305 default:
1190 return; 1306 return;
1191 } 1307 }
1192 1308
1193 if (R->screen.text[row]) 1309 scr_blank_line (line, col, num, rstyle);
1194 R->scr_blank_line (&(R->screen.text[row][col]),
1195 &(R->screen.rend[row][col]), num, R->rstyle);
1196 else
1197 R->scr_blank_screen_mem (R->screen.text, R->screen.rend, row, R->rstyle);
1198} 1310}
1199 1311
1200/* ------------------------------------------------------------------------- */ 1312/* ------------------------------------------------------------------------- */
1201/* 1313/*
1202 * Erase part of whole of the screen 1314 * Erase part or whole of the screen
1203 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1315 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1204 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1316 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1205 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1317 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1206 */ 1318 */
1207void 1319void
1208rxvt_term::scr_erase_screen (int mode) 1320rxvt_term::scr_erase_screen (int mode) NOTHROW
1209{ 1321{
1210 int num; 1322 int num;
1211 int32_t row, row_offset; 1323 int32_t row;
1212 rend_t ren; 1324 rend_t ren;
1213 XGCValues gcvalue; 1325 XGCValues gcvalue;
1214 1326
1215 want_refresh = 1; 1327 want_refresh = 1;
1216 D_SCREEN((stderr, "rxvt_scr_erase_screen(%d) at screen row: %d", mode, screen.cur.row));
1217 ZERO_SCROLLBACK(this); 1328 ZERO_SCROLLBACK ();
1218 row_offset = (int32_t)TermWin.saveLines;
1219 1329
1220 switch (mode) { 1330 switch (mode)
1331 {
1221 case 0: /* erase to end of screen */ 1332 case 0: /* erase to end of screen */
1222 rxvt_selection_check(this,1);
1223 rxvt_scr_erase_line(this,0); 1333 scr_erase_line (0);
1224 row = screen.cur.row + 1; /* possible OOB */ 1334 row = screen.cur.row + 1; /* possible OOB */
1225 num = TermWin.nrow - row; 1335 num = nrow - row;
1226 break; 1336 break;
1227 case 1: /* erase to beginning of screen */ 1337 case 1: /* erase to beginning of screen */
1228 rxvt_selection_check(this,3);
1229 rxvt_scr_erase_line(this,1); 1338 scr_erase_line (1);
1230 row = 0; 1339 row = 0;
1231 num = screen.cur.row; 1340 num = screen.cur.row;
1232 break; 1341 break;
1233 case 2: /* erase whole screen */ 1342 case 2: /* erase whole screen */
1234 rxvt_selection_check (this, 3);
1235#ifdef RXVT_GRAPHICS
1236 rxvt_Gr_ClearScreen (this);
1237#endif
1238 row = 0; 1343 row = 0;
1239 num = TermWin.nrow; 1344 num = nrow;
1240 break; 1345 break;
1241 default: 1346 default:
1242 return; 1347 return;
1243 } 1348 }
1244 refresh_type |= REFRESH_BOUNDS; 1349
1245 if (selection.op && current_screen == selection.screen 1350 if (selection.op && current_screen == selection.screen
1246 && ((selection.beg.row >= row && selection.beg.row <= row + num) 1351 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1247 || (selection.end.row >= row 1352 || (selection.end.row >= row
1248 && selection.end.row <= row + num))) 1353 && selection.end.row <= row + num)))
1249 CLEAR_SELECTION (this); 1354 CLEAR_SELECTION ();
1355
1250 if (row >= TermWin.nrow) /* Out Of Bounds */ 1356 if (row >= nrow) /* Out Of Bounds */
1251 return; 1357 return;
1252 MIN_IT(num, (TermWin.nrow - row)); 1358
1359 min_it (num, nrow - row);
1360
1253 if (rstyle & (RS_RVid | RS_Uline)) 1361 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1254 ren = (rend_t) ~RS_None; 1362 ren = (rend_t) ~RS_None;
1255 else if (GET_BASEBG(rstyle) == Color_bg) { 1363 else if (GET_BASEBG (rstyle) == Color_bg)
1364 {
1256 ren = DEFAULT_RSTYLE; 1365 ren = DEFAULT_RSTYLE;
1257 CLEAR_ROWS(row, num); 1366
1258 } else { 1367 if (mapped)
1368 XClearArea (dpy, vt, 0,
1369 Row2Pixel (row - view_start), (unsigned int)vt_width,
1370 (unsigned int)Height2Pixel (num), False);
1371 }
1372 else
1373 {
1259 ren = (rstyle & (RS_fgMask | RS_bgMask)); 1374 ren = rstyle & (RS_fgMask | RS_bgMask);
1375
1376 if (mapped)
1377 {
1260 gcvalue.foreground = PixColors[GET_BGCOLOR(rstyle)]; 1378 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1261 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1379 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1262 ERASE_ROWS(row, num); 1380 XFillRectangle (dpy, vt, gc,
1381 0, Row2Pixel (row - view_start),
1382 (unsigned int)vt_width,
1383 (unsigned int)Height2Pixel (num));
1263 gcvalue.foreground = PixColors[Color_fg]; 1384 gcvalue.foreground = pix_colors[Color_fg];
1264 XChangeGC(Xdisplay, TermWin.gc, GCForeground, &gcvalue); 1385 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1386 }
1265 } 1387 }
1388
1266 for (; num--; row++) { 1389 for (; num--; row++)
1267 scr_blank_screen_mem (screen.text, screen.rend,
1268 (unsigned int)(row + row_offset), rstyle);
1269 screen.tlen[row + row_offset] = 0;
1270 scr_blank_line (drawn_text[row], drawn_rend[row],
1271 (unsigned int)TermWin.ncol, ren);
1272 } 1390 {
1391 scr_blank_screen_mem (ROW(row), rstyle);
1392
1393 if (row - view_start < nrow)
1394 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1395 }
1273} 1396}
1397
1398#if !ENABLE_MINIMAL
1399void
1400rxvt_term::scr_erase_savelines () NOTHROW
1401{
1402 want_refresh = 1;
1403 ZERO_SCROLLBACK ();
1404
1405 top_row = 0;
1406}
1407#endif
1274 1408
1275/* ------------------------------------------------------------------------- */ 1409/* ------------------------------------------------------------------------- */
1276/* 1410/*
1277 * Fill the screen with `E's 1411 * Fill the screen with `E's
1278 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1412 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1279 */ 1413 */
1280/* EXTPROTO */ 1414void ecb_cold
1281void 1415rxvt_term::scr_E () NOTHROW
1282rxvt_scr_E(pR)
1283{ 1416{
1284 int i, j, k; 1417 rend_t fs;
1285 rend_t *r1, fs;
1286 1418
1287 R->want_refresh = 1; 1419 want_refresh = 1;
1288 R->num_scr_allow = 0;
1289 ZERO_SCROLLBACK(R); 1420 ZERO_SCROLLBACK ();
1290 rxvt_selection_check(aR_ 3);
1291 1421
1292 fs = SET_FONT (R->rstyle, R->TermWin.fontset->find_font ('E')); 1422 num_scr_allow = 0;
1293 for (k = R->TermWin.saveLines, i = R->TermWin.nrow; i--; k++) { 1423
1294 R->screen.tlen[k] = R->TermWin.ncol; /* make the `E's selectable */ 1424 row_col_t pos;
1295 fill_text (R->screen.text[k], 'E', R->TermWin.ncol); 1425 pos.row = pos.col = 0;
1296 for (r1 = R->screen.rend[k], j = R->TermWin.ncol; j--; ) 1426 if (ROWCOL_IS_AFTER (selection.end, pos))
1427 CLEAR_SELECTION ();
1428
1429 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1430 for (int row = nrow; row--; )
1431 {
1432 line_t &line = ROW(row);
1433
1434 fill_text (line.t, 'E', ncol);
1435 rend_t *r1 = line.r;
1436
1437 for (int j = ncol; j--; )
1297 *r1++ = fs; 1438 *r1++ = fs;
1439
1440 line.is_longer (0);
1441 line.touch (ncol);
1298 } 1442 }
1299} 1443}
1300 1444
1301/* ------------------------------------------------------------------------- */ 1445/* ------------------------------------------------------------------------- */
1302/* 1446/*
1303 * Insert/Delete <count> lines 1447 * Insert/Delete <count> lines
1304 */ 1448 */
1305/* EXTPROTO */
1306void 1449void
1307rxvt_scr_insdel_lines(pR_ int count, int insdel) 1450rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW
1308{ 1451{
1309 int end; 1452 int end;
1310 1453
1311 ZERO_SCROLLBACK(R); 1454 ZERO_SCROLLBACK ();
1312 1455
1313#ifdef RXVT_GRAPHICS
1314 if (rxvt_Gr_Displayed(aR))
1315 rxvt_Gr_scroll(aR_ 0);
1316#endif
1317
1318 rxvt_selection_check(aR_ 1); 1456 selection_check (1);
1319 1457
1320 if (R->screen.cur.row > R->screen.bscroll) 1458 if (screen.cur.row > screen.bscroll)
1459 return;
1460
1461 end = screen.bscroll - screen.cur.row + 1;
1462 if (count > end)
1463 {
1464 if (insdel == DELETE)
1321 return; 1465 return;
1322
1323 end = R->screen.bscroll - R->screen.cur.row + 1;
1324 if (count > end) {
1325 if (insdel == DELETE)
1326 return;
1327 else if (insdel == INSERT) 1466 else if (insdel == INSERT)
1328 count = end; 1467 count = end;
1329 } 1468 }
1330 R->screen.flags &= ~Screen_WrapNext;
1331 1469
1470 scr_do_wrap ();
1471
1332 R->scr_scroll_text(R->screen.cur.row, R->screen.bscroll, insdel * count, 0); 1472 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1333} 1473}
1334 1474
1335/* ------------------------------------------------------------------------- */ 1475/* ------------------------------------------------------------------------- */
1336/* 1476/*
1337 * Insert/Delete <count> characters from the current position 1477 * Insert/Delete <count> characters from the current position
1338 */ 1478 */
1339/* EXTPROTO */
1340void 1479void
1341rxvt_scr_insdel_chars(pR_ int count, int insdel) 1480rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1342{ 1481{
1343 int col, row;
1344 rend_t tr;
1345 text_t *stp;
1346 rend_t *srp;
1347 int16_t *slp;
1348
1349 R->want_refresh = 1; 1482 want_refresh = 1;
1350 ZERO_SCROLLBACK(R); 1483 ZERO_SCROLLBACK ();
1351 1484
1352#ifdef RXVT_GRAPHICS
1353 if (rxvt_Gr_Displayed(aR))
1354 rxvt_Gr_scroll(aR_ 0);
1355#endif
1356
1357 if (count <= 0) 1485 if (count <= 0)
1358 return; 1486 return;
1359 1487
1488 scr_do_wrap ();
1489
1360 rxvt_selection_check(aR_ 1); 1490 selection_check (1);
1361 MIN_IT(count, (R->TermWin.ncol - R->screen.cur.col)); 1491 min_it (count, ncol - screen.cur.col);
1362 1492
1363 row = R->screen.cur.row + R->TermWin.saveLines; 1493 int row = screen.cur.row;
1364 R->screen.flags &= ~Screen_WrapNext;
1365 1494
1366 stp = R->screen.text[row]; 1495 line_t *line = &ROW(row);
1367 srp = R->screen.rend[row]; 1496
1368 slp = &(R->screen.tlen[row]); 1497 line->touch ();
1498 line->is_longer (0);
1499
1500 // nuke wide spanning the start
1501 if (line->t[screen.cur.col] == NOCHAR)
1502 scr_kill_char (*line, screen.cur.col);
1503
1369 switch (insdel) { 1504 switch (insdel)
1505 {
1370 case INSERT: 1506 case INSERT:
1371 for (col = R->TermWin.ncol - 1; (col - count) >= R->screen.cur.col; 1507 line->l = min (line->l + count, ncol);
1372 col--) { 1508
1509 if (line->t[screen.cur.col] == NOCHAR)
1510 scr_kill_char (*line, screen.cur.col);
1511
1512 for (int col = ncol - 1; (col - count) >= screen.cur.col; col--)
1513 {
1373 stp[col] = stp[col - count]; 1514 line->t[col] = line->t[col - count];
1374 srp[col] = srp[col - count]; 1515 line->r[col] = line->r[col - count];
1375 } 1516 }
1376 if (*slp != -1) { 1517
1377 *slp += count;
1378 MIN_IT(*slp, R->TermWin.ncol);
1379 }
1380 if (R->selection.op && R->current_screen == R->selection.screen 1518 if (selection.op && current_screen == selection.screen
1381 && ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur)) { 1519 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1520 {
1382 if (R->selection.end.row != R->screen.cur.row 1521 if (selection.end.row != screen.cur.row
1383 || (R->selection.end.col + count >= R->TermWin.ncol)) 1522 || (selection.end.col + count >= ncol))
1384 CLEAR_SELECTION(R); 1523 CLEAR_SELECTION ();
1524 else
1525 {
1385 else { /* shift selection */ 1526 /* shift selection */
1386 R->selection.beg.col += count; 1527 selection.beg.col += count;
1387 R->selection.mark.col += count; /* XXX: yes? */ 1528 selection.mark.col += count; /* XXX: yes? */
1388 R->selection.end.col += count; 1529 selection.end.col += count;
1389 } 1530 }
1390 } 1531 }
1391 R->scr_blank_line (&(stp[R->screen.cur.col]), &(srp[R->screen.cur.col]), 1532
1392 (unsigned int)count, R->rstyle); 1533 scr_blank_line (*line, screen.cur.col, count, rstyle);
1393 break; 1534 break;
1535
1394 case ERASE: 1536 case ERASE:
1395 R->screen.cur.col += count; /* don't worry if > R->TermWin.ncol */ 1537 screen.cur.col += count; /* don't worry if > ncol */
1396 rxvt_selection_check(aR_ 1); 1538 selection_check (1);
1397 R->screen.cur.col -= count; 1539 screen.cur.col -= count;
1398 R->scr_blank_line (&(stp[R->screen.cur.col]), &(srp[R->screen.cur.col]), 1540
1399 (unsigned int)count, R->rstyle); 1541 // nuke wide char after the end
1542 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1543 scr_kill_char (*line, screen.cur.col + count);
1544
1545 scr_blank_line (*line, screen.cur.col, count, rstyle);
1400 break; 1546 break;
1547
1401 case DELETE: 1548 case DELETE:
1402 tr = srp[R->TermWin.ncol - 1] 1549 line->l = max (line->l - count, 0);
1403 & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1550
1551 // nuke wide char spanning the end
1552 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1553 scr_kill_char (*line, screen.cur.col + count);
1554
1404 for (col = R->screen.cur.col; (col + count) < R->TermWin.ncol; col++) { 1555 for (int col = screen.cur.col; (col + count) < ncol; col++)
1556 {
1405 stp[col] = stp[col + count]; 1557 line->t[col] = line->t[col + count];
1406 srp[col] = srp[col + count]; 1558 line->r[col] = line->r[col + count];
1407 } 1559 }
1408 R->scr_blank_line (&(stp[R->TermWin.ncol - count]), 1560
1409 &(srp[R->TermWin.ncol - count]), 1561 scr_blank_line (*line, ncol - count, count, rstyle);
1410 (unsigned int)count, tr); 1562
1411 if (*slp == -1) /* break line continuation */
1412 *slp = R->TermWin.ncol;
1413 *slp -= count;
1414 MAX_IT(*slp, 0);
1415 if (R->selection.op && R->current_screen == R->selection.screen 1563 if (selection.op && current_screen == selection.screen
1416 && ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur)) { 1564 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1565 {
1417 if (R->selection.end.row != R->screen.cur.row 1566 if (selection.end.row != screen.cur.row
1418 || (R->screen.cur.col >= R->selection.beg.col - count) 1567 || (screen.cur.col >= selection.beg.col - count)
1419 || R->selection.end.col >= R->TermWin.ncol) 1568 || selection.end.col >= ncol)
1420 CLEAR_SELECTION(R); 1569 CLEAR_SELECTION ();
1421 else { 1570 else
1571 {
1422 /* shift selection */ 1572 /* shift selection */
1423 R->selection.beg.col -= count; 1573 selection.beg.col -= count;
1424 R->selection.mark.col -= count; /* XXX: yes? */ 1574 selection.mark.col -= count; /* XXX: yes? */
1425 R->selection.end.col -= count; 1575 selection.end.col -= count;
1426 } 1576 }
1427 } 1577 }
1578
1428 break; 1579 break;
1429 } 1580 }
1430} 1581}
1431 1582
1432/* ------------------------------------------------------------------------- */ 1583/* ------------------------------------------------------------------------- */
1433/* 1584/*
1434 * Set the scrolling region 1585 * Set the scrolling region
1435 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1586 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1436 */ 1587 */
1437/* EXTPROTO */ 1588void ecb_cold
1438void
1439rxvt_scr_scroll_region(pR_ int top, int bot) 1589rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1440{ 1590{
1441 MAX_IT(top, 0); 1591 max_it (top, 0);
1442 MIN_IT(bot, (int)R->TermWin.nrow - 1); 1592 min_it (bot, nrow - 1);
1593
1443 if (top > bot) 1594 if (top > bot)
1444 return; 1595 return;
1596
1445 R->screen.tscroll = top; 1597 screen.tscroll = top;
1446 R->screen.bscroll = bot; 1598 screen.bscroll = bot;
1447 rxvt_scr_gotorc(aR_ 0, 0, 0); 1599 scr_gotorc (0, 0, 0);
1448} 1600}
1449 1601
1450/* ------------------------------------------------------------------------- */ 1602/* ------------------------------------------------------------------------- */
1451/* 1603/*
1452 * Make the cursor visible/invisible 1604 * Make the cursor visible/invisible
1453 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1605 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1454 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1606 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1455 */ 1607 */
1456/* EXTPROTO */ 1608void ecb_cold
1457void
1458rxvt_scr_cursor_visible(pR_ int mode) 1609rxvt_term::scr_cursor_visible (int mode) NOTHROW
1459{ 1610{
1460 R->want_refresh = 1; 1611 want_refresh = 1;
1612
1461 if (mode) 1613 if (mode)
1462 R->screen.flags |= Screen_VisibleCursor; 1614 screen.flags |= Screen_VisibleCursor;
1463 else 1615 else
1464 R->screen.flags &= ~Screen_VisibleCursor; 1616 screen.flags &= ~Screen_VisibleCursor;
1465} 1617}
1466 1618
1467/* ------------------------------------------------------------------------- */ 1619/* ------------------------------------------------------------------------- */
1468/* 1620/*
1469 * Set/unset automatic wrapping 1621 * Set/unset automatic wrapping
1470 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1622 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1471 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1623 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1472 */ 1624 */
1473/* EXTPROTO */ 1625void ecb_cold
1474void 1626rxvt_term::scr_autowrap (int mode) NOTHROW
1475rxvt_scr_autowrap(pR_ int mode)
1476{ 1627{
1477 if (mode) 1628 if (mode)
1478 R->screen.flags |= Screen_Autowrap; 1629 screen.flags |= Screen_Autowrap;
1479 else 1630 else
1480 R->screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1631 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1481} 1632}
1482 1633
1483/* ------------------------------------------------------------------------- */ 1634/* ------------------------------------------------------------------------- */
1484/* 1635/*
1485 * Set/unset margin origin mode 1636 * Set/unset margin origin mode
… …
1488 * Relative mode: line numbers are relative to top margin of scrolling region 1639 * Relative mode: line numbers are relative to top margin of scrolling region
1489 * and the cursor cannot be moved outside. 1640 * and the cursor cannot be moved outside.
1490 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1641 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1491 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1642 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1492 */ 1643 */
1493/* EXTPROTO */ 1644void ecb_cold
1494void
1495rxvt_scr_relative_origin(pR_ int mode) 1645rxvt_term::scr_relative_origin (int mode) NOTHROW
1496{ 1646{
1497 if (mode) 1647 if (mode)
1498 R->screen.flags |= Screen_Relative; 1648 screen.flags |= Screen_Relative;
1499 else 1649 else
1500 R->screen.flags &= ~Screen_Relative; 1650 screen.flags &= ~Screen_Relative;
1651
1501 rxvt_scr_gotorc(aR_ 0, 0, 0); 1652 scr_gotorc (0, 0, 0);
1502} 1653}
1503 1654
1504/* ------------------------------------------------------------------------- */ 1655/* ------------------------------------------------------------------------- */
1505/* 1656/*
1506 * Set insert/replace mode 1657 * Set insert/replace mode
1507 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1658 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1508 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1659 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1509 */ 1660 */
1510/* EXTPROTO */ 1661void ecb_cold
1511void
1512rxvt_scr_insert_mode(pR_ int mode) 1662rxvt_term::scr_insert_mode (int mode) NOTHROW
1513{ 1663{
1514 if (mode) 1664 if (mode)
1515 R->screen.flags |= Screen_Insert; 1665 screen.flags |= Screen_Insert;
1516 else 1666 else
1517 R->screen.flags &= ~Screen_Insert; 1667 screen.flags &= ~Screen_Insert;
1518} 1668}
1519 1669
1520/* ------------------------------------------------------------------------- */ 1670/* ------------------------------------------------------------------------- */
1521/* 1671/*
1522 * Set/Unset tabs 1672 * Set/Unset tabs
1523 * XTERM_SEQ: Set tab at current column : ESC H 1673 * XTERM_SEQ: Set tab at current column : ESC H
1524 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1674 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1525 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1675 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1526 */ 1676 */
1527/* EXTPROTO */ 1677void ecb_cold
1528void 1678rxvt_term::scr_set_tab (int mode) NOTHROW
1529rxvt_scr_set_tab(pR_ int mode)
1530{ 1679{
1531 if (mode < 0) 1680 if (mode < 0)
1532 MEMSET(R->tabs, 0, R->TermWin.ncol * sizeof(char)); 1681 memset (tabs, 0, ncol);
1533 else if (R->screen.cur.col < R->TermWin.ncol) 1682 else if (screen.cur.col < ncol)
1534 R->tabs[R->screen.cur.col] = (mode ? 1 : 0); 1683 tabs [screen.cur.col] = !!mode;
1535} 1684}
1536 1685
1537/* ------------------------------------------------------------------------- */ 1686/* ------------------------------------------------------------------------- */
1538/* 1687/*
1539 * Set reverse/normal video 1688 * Set reverse/normal video
1540 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1689 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1541 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1690 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1542 */ 1691 */
1543/* EXTPROTO */
1544void 1692void
1545rxvt_scr_rvideo_mode(pR_ int mode) 1693rxvt_term::scr_rvideo_mode (bool on) NOTHROW
1546{ 1694{
1695 rvideo_mode = on;
1696
1697#ifndef NO_BELL
1698 on ^= rvideo_bell;
1699#endif
1700
1701 if (rvideo_state != on)
1702 {
1703 rvideo_state = on;
1704
1705 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1706#ifdef HAVE_BG_PIXMAP
1707 if (bg_pixmap == None)
1708#endif
1709 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1710
1547 XGCValues gcvalue; 1711 XGCValues gcvalue;
1548
1549 if (R->rvideo != mode) {
1550 R->rvideo = mode;
1551 SWAP_IT(R->PixColors[Color_fg], R->PixColors[Color_bg], rxvt_color);
1552#if defined(XPM_BACKGROUND)
1553 if (R->bgPixmap.pixmap == None)
1554#endif
1555#if defined(TRANSPARENT)
1556 if (!(R->Options & Opt_transparent) || R->am_transparent == 0)
1557#endif
1558 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1559 R->PixColors[Color_bg]);
1560
1561 gcvalue.foreground = R->PixColors[Color_fg]; 1712 gcvalue.foreground = pix_colors[Color_fg];
1562 gcvalue.background = R->PixColors[Color_bg]; 1713 gcvalue.background = pix_colors[Color_bg];
1563 XChangeGC(R->Xdisplay, R->TermWin.gc, GCBackground | GCForeground, 1714 XChangeGC (dpy, gc, GCBackground | GCForeground, &gcvalue);
1564 &gcvalue); 1715
1565 R->scr_clear (); 1716 scr_clear ();
1566 R->scr_touch (true); 1717 scr_touch (true);
1567 } 1718 }
1568} 1719}
1569 1720
1570/* ------------------------------------------------------------------------- */ 1721/* ------------------------------------------------------------------------- */
1571/* 1722/*
1572 * Report current cursor position 1723 * Report current cursor position
1573 * XTERM_SEQ: Report position: ESC [ 6 n 1724 * XTERM_SEQ: Report position: ESC [ 6 n
1574 */ 1725 */
1575/* EXTPROTO */ 1726void ecb_cold
1576void
1577rxvt_scr_report_position(pR) 1727rxvt_term::scr_report_position () NOTHROW
1578{ 1728{
1579 R->tt_printf("\033[%d;%dR", R->screen.cur.row + 1, R->screen.cur.col + 1); 1729 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1580} 1730}
1581 1731
1582/* ------------------------------------------------------------------------- * 1732/* ------------------------------------------------------------------------- *
1583 * FONTS * 1733 * FONTS *
1584 * ------------------------------------------------------------------------- */ 1734 * ------------------------------------------------------------------------- */
1585 1735
1586/* 1736/*
1587 * Set font style 1737 * Set font style
1588 */ 1738 */
1589/* INTPROTO */ 1739void ecb_cold
1590void 1740rxvt_term::set_font_style () NOTHROW
1591rxvt_set_font_style(pR)
1592{ 1741{
1742#if 0
1593 switch (R->charsets[R->screen.charset]) { 1743 switch (charsets [screen.charset])
1744 {
1594 case '0': /* DEC Special Character & Line Drawing Set */ 1745 case '0': /* DEC Special Character & Line Drawing Set */
1595 break; 1746 break;
1596 case 'A': /* United Kingdom (UK) */ 1747 case 'A': /* United Kingdom (UK) */
1597 break; 1748 break;
1598 case 'B': /* United States (USASCII) */ 1749 case 'B': /* United States (USASCII) */
1599 break; 1750 break;
1600 case '<': /* Multinational character set */ 1751 case '<': /* Multinational character set */
1601 break; 1752 break;
1602 case '5': /* Finnish character set */ 1753 case '5': /* Finnish character set */
1603 break; 1754 break;
1604 case 'C': /* Finnish character set */ 1755 case 'C': /* Finnish character set */
1605 break; 1756 break;
1606 case 'K': /* German character set */ 1757 case 'K': /* German character set */
1607 break; 1758 break;
1608 } 1759 }
1760#endif
1609} 1761}
1610 1762
1611/* ------------------------------------------------------------------------- */ 1763/* ------------------------------------------------------------------------- */
1612/* 1764/*
1613 * Choose a font 1765 * Choose a font
1614 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1766 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1615 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1767 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1616 * XTERM_SEQ: Invoke G2 character set: ESC N 1768 * XTERM_SEQ: Invoke G2 character set: ESC N
1617 * XTERM_SEQ: Invoke G3 character set: ESC O 1769 * XTERM_SEQ: Invoke G3 character set: ESC O
1618 */ 1770 */
1619/* EXTPROTO */ 1771void ecb_cold
1620void
1621rxvt_scr_charset_choose(pR_ int set) 1772rxvt_term::scr_charset_choose (int set) NOTHROW
1622{ 1773{
1623 R->screen.charset = set; 1774 screen.charset = set;
1624 rxvt_set_font_style(aR); 1775 set_font_style ();
1625} 1776}
1626 1777
1627/* ------------------------------------------------------------------------- */ 1778/* ------------------------------------------------------------------------- */
1628/* 1779/*
1629 * Set a font 1780 * Set a font
… …
1631 * XTERM_SEQ: Set G1 character set: ESC ) <C> 1782 * XTERM_SEQ: Set G1 character set: ESC ) <C>
1632 * XTERM_SEQ: Set G2 character set: ESC * <C> 1783 * XTERM_SEQ: Set G2 character set: ESC * <C>
1633 * XTERM_SEQ: Set G3 character set: ESC + <C> 1784 * XTERM_SEQ: Set G3 character set: ESC + <C>
1634 * See set_font_style for possible values for <C> 1785 * See set_font_style for possible values for <C>
1635 */ 1786 */
1636/* EXTPROTO */
1637void 1787void
1638rxvt_scr_charset_set(pR_ int set, unsigned int ch) 1788rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW
1639{ 1789{
1640 R->charsets[set] = (unsigned char)ch; 1790 charsets[set] = (unsigned char)ch;
1641 rxvt_set_font_style(aR); 1791 set_font_style ();
1642} 1792}
1643 1793
1644
1645/* ------------------------------------------------------------------------- *
1646 * GRAPHICS COLOURS *
1647 * ------------------------------------------------------------------------- */
1648
1649#ifdef RXVT_GRAPHICS
1650/* EXTPROTO */
1651int
1652rxvt_scr_get_fgcolor(pR)
1653{
1654 return GET_FGCOLOR(R->rstyle);
1655}
1656
1657/* ------------------------------------------------------------------------- */
1658/* EXTPROTO */
1659int
1660rxvt_scr_get_bgcolor(pR)
1661{
1662 return GET_BGCOLOR(R->rstyle);
1663}
1664#endif
1665 1794
1666/* ------------------------------------------------------------------------- * 1795/* ------------------------------------------------------------------------- *
1667 * MAJOR SCREEN MANIPULATION * 1796 * MAJOR SCREEN MANIPULATION *
1668 * ------------------------------------------------------------------------- */ 1797 * ------------------------------------------------------------------------- */
1669 1798
1670/* 1799/*
1800 * refresh matching text.
1801 */
1802bool ecb_cold
1803rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1804{
1805 bool found = false;
1806
1807 for (int i = 0; i < nrow; i++)
1808 {
1809 rend_t *drp = drawn_buf[i].r;
1810
1811 for (int col = 0; col < ncol; col++, drp++)
1812 if ((*drp & mask) == value)
1813 {
1814 found = true;
1815 *drp = ~value;
1816 }
1817 }
1818
1819 return found;
1820}
1821
1822/*
1671 * Refresh an area 1823 * Refresh an area
1672 */ 1824 */
1673enum { 1825enum {
1674 PART_BEG = 0, 1826 PART_BEG = 0,
1675 PART_END, 1827 PART_END,
1676 RC_COUNT 1828 RC_COUNT
1677}; 1829};
1678 1830
1679void 1831void ecb_hot
1680rxvt_term::scr_expose (int x, int y, int width, int height, bool refresh) 1832rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1681{ 1833{
1682 int i; 1834 int i;
1683 row_col_t rc[RC_COUNT]; 1835 row_col_t rc[RC_COUNT];
1684 1836
1685 if (drawn_text == NULL) /* sanity check */ 1837 if (!drawn_buf) /* sanity check */
1686 return; 1838 return;
1687 1839
1688#ifdef DEBUG_STRICT 1840#ifndef NO_SLOW_LINK_SUPPORT
1689 x = max(x, (int)TermWin.int_bwidth); 1841 if (refresh_type == FAST_REFRESH && !display->is_local)
1690 x = min(x, (int)TermWin.width); 1842 {
1691 y = max(y, (int)TermWin.int_bwidth); 1843 y = 0;
1692 y = min(y, (int)TermWin.height); 1844 eheight = height;
1845 }
1693#endif 1846#endif
1694 1847
1695/* round down */ 1848 /* round down */
1696 rc[PART_BEG].col = Pixel2Col(x); 1849 rc[PART_BEG].col = Pixel2Col (x);
1697 rc[PART_BEG].row = Pixel2Row(y); 1850 rc[PART_BEG].row = Pixel2Row (y);
1698/* round up */ 1851 /* round up */
1699 rc[PART_END].col = Pixel2Width(x + width + TermWin.fwidth - 1); 1852 rc[PART_END].col = Pixel2Width (x + ewidth + fwidth - 1);
1700 rc[PART_END].row = Pixel2Row(y + height + TermWin.fheight - 1); 1853 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1701 1854
1702/* sanity checks */ 1855 /* sanity checks */
1703 for (i = PART_BEG; i < RC_COUNT; i++) 1856 for (i = PART_BEG; i < RC_COUNT; i++)
1704 { 1857 {
1705 MIN_IT(rc[i].col, TermWin.ncol - 1); 1858 min_it (rc[i].col, ncol - 1);
1706 MIN_IT(rc[i].row, TermWin.nrow - 1); 1859 min_it (rc[i].row, nrow - 1);
1707 } 1860 }
1708
1709 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));
1710 1861
1711 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1862 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1712 fill_text (&(drawn_text[i][rc[PART_BEG].col]), 0, 1863 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1713 (rc[PART_END].col - rc[PART_BEG].col + 1)); 1864
1865 num_scr_allow = 0;
1714 1866
1715 if (refresh) 1867 if (refresh)
1716 scr_refresh (SLOW_REFRESH | REFRESH_BOUNDS); 1868 scr_refresh ();
1717} 1869}
1718 1870
1719/* ------------------------------------------------------------------------- */ 1871/* ------------------------------------------------------------------------- */
1720/* 1872/*
1721 * Refresh the entire screen 1873 * Refresh the entire screen
1722 */ 1874 */
1723void 1875void
1724rxvt_term::scr_touch (bool refresh) 1876rxvt_term::scr_touch (bool refresh) NOTHROW
1725{ 1877{
1726 scr_expose (0, 0, TermWin.width, TermWin.height, refresh); 1878 scr_expose (0, 0, vt_width, vt_height, refresh);
1727} 1879}
1728 1880
1729/* ------------------------------------------------------------------------- */ 1881/* ------------------------------------------------------------------------- */
1730/* 1882/*
1731 * Move the display so that the line represented by scrollbar value Y is at 1883 * Move the display so that the line represented by scrollbar value Y is at
1732 * the top of the screen 1884 * the top of the screen
1733 */ 1885 */
1734/* EXTPROTO */ 1886void
1735int
1736rxvt_scr_move_to(pR_ int y, int len) 1887rxvt_term::scr_move_to (int y, int len) NOTHROW
1737{ 1888{
1738 long p = 0; 1889 scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));
1739 uint16_t oldviewstart;
1740
1741 oldviewstart = R->TermWin.view_start;
1742 if (y < len) {
1743 p = (R->TermWin.nrow + R->TermWin.nscrolled) * (len - y) / len;
1744 p -= (long)(R->TermWin.nrow - 1);
1745 p = max(p, 0);
1746 }
1747 R->TermWin.view_start = (uint16_t)min(p, R->TermWin.nscrolled);
1748 D_SCREEN((stderr, "rxvt_scr_move_to(%d, %d) view_start:%d", y, len, R->TermWin.view_start));
1749
1750 return rxvt_scr_changeview(aR_ oldviewstart);
1751} 1890}
1752 1891
1753/* ------------------------------------------------------------------------- */ 1892/* ------------------------------------------------------------------------- */
1754/* 1893/*
1755 * Page the screen up/down nlines 1894 * Page the screen up/down nlines
1756 * direction should be UP or DN 1895 * direction should be UP or DN
1757 */ 1896 */
1758/* EXTPROTO */ 1897bool
1759int
1760rxvt_scr_page(pR_ enum page_dirn direction, int nlines) 1898rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW
1761{ 1899{
1762 int n; 1900 int new_view_start =
1763 uint16_t oldviewstart; 1901 direction == UP ? view_start - nlines
1902 : view_start + nlines;
1764 1903
1765 D_SCREEN((stderr, "rxvt_scr_page(%s, %d) view_start:%d", ((direction == UP) ? "UP" : "DN"), nlines, R->TermWin.view_start));
1766#ifdef DEBUG_STRICT
1767 assert((nlines >= 0) && (nlines <= R->TermWin.nrow));
1768#endif
1769 oldviewstart = R->TermWin.view_start;
1770 if (direction == UP) {
1771 n = R->TermWin.view_start + nlines;
1772 R->TermWin.view_start = min(n, R->TermWin.nscrolled);
1773 } else {
1774 n = R->TermWin.view_start - nlines;
1775 R->TermWin.view_start = max(n, 0);
1776 }
1777 return rxvt_scr_changeview(aR_ oldviewstart); 1904 return scr_changeview (new_view_start);
1778} 1905}
1779 1906
1780/* INTPROTO */ 1907bool
1781int 1908rxvt_term::scr_changeview (int new_view_start) NOTHROW
1782rxvt_scr_changeview(pR_ uint16_t oldviewstart)
1783{ 1909{
1784 if (R->TermWin.view_start != oldviewstart) { 1910 clamp_it (new_view_start, top_row, 0);
1911
1912 if (new_view_start == view_start)
1913 return false;
1914
1915 num_scr += new_view_start - view_start;
1916 view_start = new_view_start;
1785 R->want_refresh = 1; 1917 want_refresh = 1;
1786#ifdef RXVT_GRAPHICS
1787 if (rxvt_Gr_Displayed(aR))
1788 rxvt_Gr_scroll(aR_ 0);
1789#endif
1790 R->num_scr -= (R->TermWin.view_start - oldviewstart);
1791 }
1792 return (int)(R->TermWin.view_start - oldviewstart);
1793}
1794 1918
1795/* ------------------------------------------------------------------------- */ 1919 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1796/* EXTPROTO */ 1920
1797void 1921 return true;
1798rxvt_scr_bell(pR) 1922}
1799{ 1923
1800#ifndef NO_BELL 1924#ifndef NO_BELL
1925void
1926rxvt_term::bell_cb (ev::timer &w, int revents)
1927{
1928 rvideo_bell = false;
1929 scr_rvideo_mode (rvideo_mode);
1930 refresh_check ();
1931}
1932#endif
1933
1934/* ------------------------------------------------------------------------- */
1935void
1936rxvt_term::scr_bell () NOTHROW
1937{
1938#ifndef NO_BELL
1939
1801# ifndef NO_MAPALERT 1940# ifndef NO_MAPALERT
1802# ifdef MAPALERT_OPTION 1941# ifdef MAPALERT_OPTION
1803 if (R->Options & Opt_mapAlert) 1942 if (option (Opt_mapAlert))
1804# endif 1943# endif
1805 XMapWindow(R->Xdisplay, R->TermWin.parent[0]); 1944 XMapWindow (dpy, parent);
1806# endif 1945# endif
1807 if (R->Options & Opt_visualBell) { 1946
1808 rxvt_scr_rvideo_mode(aR_ !R->rvideo); /* refresh also done */ 1947# if ENABLE_FRILLS
1809 rxvt_scr_rvideo_mode(aR_ !R->rvideo); /* refresh also done */ 1948 if (option (Opt_urgentOnBell))
1810 } else 1949 set_urgency (1);
1811 XBell(R->Xdisplay, 0);
1812#endif 1950# endif
1813}
1814 1951
1952 if (option (Opt_visualBell))
1953 {
1954 rvideo_bell = true;
1955 scr_rvideo_mode (rvideo_mode);
1956 flush ();
1957
1958 bell_ev.start (VISUAL_BELL_DURATION);
1959 }
1960 else
1961 XBell (dpy, 0);
1962 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1963#endif
1964}
1965
1815/* ------------------------------------------------------------------------- */ 1966/* ------------------------------------------------------------------------- */
1816/* ARGSUSED */ 1967void ecb_cold
1817/* EXTPROTO */
1818void
1819rxvt_scr_printscreen(pR_ int fullhist) 1968rxvt_term::scr_printscreen (int fullhist) NOTHROW
1820{ 1969{
1821#ifdef PRINTPIPE 1970#ifdef PRINTPIPE
1822 int i, r1, nrows, row_offset; 1971 int nrows, row_start;
1823 text_t *t; 1972 FILE *fd = popen_printer ();
1824 FILE *fd;
1825 1973
1826 if ((fd = rxvt_popen_printer(aR)) == NULL) 1974 if (!fd)
1827 return; 1975 return;
1828 nrows = R->TermWin.nrow; 1976
1829 row_offset = R->TermWin.saveLines;
1830 if (!fullhist) 1977 if (fullhist)
1831 row_offset -= R->TermWin.view_start;
1832 else {
1833 nrows += R->TermWin.nscrolled;
1834 row_offset -= R->TermWin.nscrolled;
1835 } 1978 {
1836 1979 nrows = nrow - top_row;
1837 for (r1 = 0; r1 < nrows; r1++) { 1980 row_start = top_row;
1838 t = R->screen.text[r1 + row_offset]; 1981 }
1839 for (i = R->TermWin.ncol - 1; i >= 0; i--) 1982 else
1840 if (!isspace(t[i]))
1841 break;
1842 fprintf(fd, "%.*s\n", (i + 1), t);
1843 } 1983 {
1984 nrows = nrow;
1985 row_start = view_start;
1986 }
1987
1988 wctomb (0, 0);
1989
1990 for (int r1 = row_start; r1 < row_start + nrows; r1++)
1991 {
1992 text_t *tp = ROW(r1).t;
1993 int len = ROW(r1).l;
1994
1995 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
1996 {
1997 char mb[MB_LEN_MAX];
1998 text_t t = *tp++;
1999 if (t == NOCHAR)
2000 continue;
2001
2002 len = wctomb (mb, t);
2003
2004 if (len <= 0)
2005 {
2006 mb[0] = ' ';
2007 len = 1;
2008 }
2009
2010 fwrite (mb, 1, len, fd);
2011 }
2012
2013 fputc ('\n', fd);
2014 }
2015
1844 rxvt_pclose_printer(fd); 2016 pclose_printer (fd);
1845#endif 2017#endif
1846} 2018}
1847 2019
1848/* ------------------------------------------------------------------------- */ 2020/* ------------------------------------------------------------------------- */
1849/* 2021/*
1850 * Refresh the screen 2022 * Refresh the screen
1851 * R->drawn_text/R->drawn_rend contain the screen information before the update. 2023 * drawn_text/drawn_rend contain the screen information before the update.
1852 * R->screen.text/R->screen.rend contain what the screen will change to. 2024 * screen.text/screen.rend contain what the screen will change to.
2025 */
2026void ecb_hot
2027rxvt_term::scr_refresh () NOTHROW
2028{
2029 int16_t col, row, /* column/row we're processing */
2030 ocrow; /* old cursor row */
2031 int i; /* tmp */
2032#ifndef NO_CURSORCOLOR
2033 rend_t cc1; /* store colours at cursor position (s) */
2034#endif
2035 rend_t *crp; // cursor rendition pointer
2036 rend_t ccol1, /* Cursor colour */
2037 ccol2; /* Cursor colour2 */
2038
2039 want_refresh = 0; /* screen is current */
2040
2041 if (refresh_type == NO_REFRESH || !mapped)
2042 return;
2043
2044 /*
2045 * A: set up vars
1853 */ 2046 */
2047 refresh_count = 0;
1854 2048
1855#if defined (NO_BRIGHTCOLOR) || defined (VERYBOLD) 2049 unsigned int old_screen_flags = screen.flags;
1856# define MONO_BOLD(x) ((x) & (RS_Bold|RS_Blink)) 2050 bool have_bg = 0;
1857# define MONO_BOLD_FG(x, fg) MONO_BOLD(x) 2051#ifdef HAVE_BG_PIXMAP
2052 have_bg = bg_pixmap != None;
2053#endif
2054 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2055
2056 /*
2057 * B: reverse any characters which are selected
2058 */
2059 scr_reverse_selection ();
2060
2061 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2062#if ENABLE_OVERLAY
2063 scr_swap_overlay ();
2064#endif
2065
2066 bool showcursor = screen.flags & Screen_VisibleCursor;
2067
2068 /*
2069 * C: set the cursor character (s)
2070 */
2071 {
2072 bool setoldcursor;
2073
2074#ifdef CURSOR_BLINK
2075 if (hidden_cursor)
2076 showcursor = 0;
2077#endif
2078
2079 if (showcursor)
2080 {
2081 int col = screen.cur.col;
2082
2083 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2084 col--;
2085
2086 crp = &ROW(screen.cur.row).r[col];
2087
2088#ifndef NO_CURSORCOLOR
2089 cc1 = *crp & (RS_fgMask | RS_bgMask);
2090 if (ISSET_PIXCOLOR (Color_cursor))
2091 ccol1 = Color_cursor;
2092 else
2093#endif
2094#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2095 ccol1 = fgcolor_of (rstyle);
1858#else 2096#else
1859# define MONO_BOLD(x) \ 2097 ccol1 = Color_fg;
1860 (((x) & (RS_Bold | RS_fgMask)) == (RS_Bold | Color_fg))
1861# define MONO_BOLD_FG(x, fg) (((x) & RS_Bold) && (fg) == Color_fg)
1862#endif 2098#endif
1863 2099
1864#define FONT_WIDTH(X, Y) \
1865 (X)->per_char[(Y) - (X)->min_char_or_byte2].width
1866#define FONT_RBEAR(X, Y) \
1867 (X)->per_char[(Y) - (X)->min_char_or_byte2].rbearing
1868#define FONT_LBEAR(X, Y) \
1869 (X)->per_char[(Y) - (X)->min_char_or_byte2].lbearing
1870#define IS_FONT_CHAR(X, Y) \
1871 ((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2)
1872
1873void
1874rxvt_term::scr_refresh (unsigned char refresh_type)
1875{
1876 unsigned char clearfirst, /* first character writes before cell */
1877 clearlast, /* last character writes beyond cell */
1878 must_clear, /* use draw_string not draw_image_string */
1879#ifndef NO_BOLDFONT
1880 bfont, /* we've changed font to bold font */
1881#endif
1882 rvid, /* reverse video this position */
1883 wbyte, /* we're in multibyte */
1884 showcursor; /* show the cursor */
1885 int fore, back; /* desired foreground/background */
1886 int16_t col, row, /* column/row we're processing */
1887 ocrow; /* old cursor row */
1888 int cursorwidth;
1889 int i, /* tmp */
1890 row_offset; /* basic offset in screen structure */
1891#ifndef NO_CURSORCOLOR 2100#ifndef NO_CURSORCOLOR
1892 rend_t cc1; /* store colours at cursor position(s) */
1893 rend_t cc2; /* store colours at cursor position(s) */
1894#endif
1895 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */
1896 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */
1897
1898 if (refresh_type == NO_REFRESH || !TermWin.mapped)
1899 return;
1900
1901 /*
1902 * A: set up vars
1903 */
1904 clearfirst = clearlast = must_clear = wbyte = 0;
1905#ifndef NO_BOLDFONT
1906 bfont = 0;
1907#endif
1908
1909 if (currmaxcol < TermWin.ncol)
1910 {
1911 currmaxcol = TermWin.ncol;
1912 buffer = (char *)rxvt_realloc (buffer,
1913 sizeof(char) * (currmaxcol + 1) * MB_CUR_MAX);
1914 }
1915
1916 refresh_count = 0;
1917
1918 row_offset = TermWin.saveLines - TermWin.view_start;
1919
1920 if ((refresh_type & REFRESH_BOUNDS))
1921 {
1922 clearfirst = clearlast = 1;
1923 refresh_type &= ~REFRESH_BOUNDS;
1924 }
1925
1926#if defined(XPM_BACKGROUND)
1927 must_clear |= (bgPixmap.pixmap != None);
1928#endif
1929#if defined(TRANSPARENT)
1930 must_clear |= ((Options & Opt_transparent) && am_transparent);
1931#endif
1932 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1933
1934 /*
1935 * B: reverse any characters which are selected
1936 */
1937 rxvt_scr_reverse_selection (this);
1938
1939 /*
1940 * C: set the cursor character(s)
1941 */
1942 {
1943 unsigned char setoldcursor;
1944 rend_t ccol1, /* Cursor colour */
1945 ccol2; /* Cursor colour2 */
1946
1947 showcursor = (screen.flags & Screen_VisibleCursor);
1948 cursorwidth = 0;
1949#ifdef CURSOR_BLINK
1950 if (hidden_cursor)
1951 showcursor = 0;
1952#endif
1953
1954 cursorwidth = 0;
1955
1956 if (showcursor)
1957 {
1958 cursorwidth++;
1959
1960 srp = &(screen.rend[screen.cur.row + TermWin.saveLines]
1961 [screen.cur.col]);
1962
1963 if (showcursor && TermWin.focus)
1964 {
1965 *srp ^= RS_RVid;
1966#ifndef NO_CURSORCOLOR
1967 cc1 = *srp & (RS_fgMask | RS_bgMask);
1968 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_cursor)) 2101 if (ISSET_PIXCOLOR (Color_cursor2))
1969 ccol1 = Color_cursor; 2102 ccol2 = Color_cursor2;
1970 else 2103 else
2104#endif
1971#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2105#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1972 ccol1 = GET_FGCOLOR(rstyle); 2106 ccol2 = bgcolor_of (rstyle);
1973#else 2107#else
1974 ccol1 = Color_fg; 2108 ccol2 = Color_bg;
1975#endif 2109#endif
1976 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_cursor2)) 2110
1977 ccol2 = Color_cursor2; 2111 if (focus)
2112 {
2113 if (option (Opt_cursorUnderline))
2114 *crp ^= RS_Uline;
1978 else 2115 else
1979#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2116 {
1980 ccol2 = GET_BGCOLOR(rstyle); 2117 *crp ^= RS_RVid;
1981#else
1982 ccol2 = Color_bg;
1983#endif
1984 *srp = SET_FGCOLOR(*srp, ccol1); 2118 *crp = SET_FGCOLOR (*crp, ccol1);
1985 *srp = SET_BGCOLOR(*srp, ccol2); 2119 *crp = SET_BGCOLOR (*crp, ccol2);
1986#endif
1987 }
1988
1989 while (IS_WIDE (*srp))
1990 cursorwidth++, srp++;
1991 }
1992
1993 /* make sure no outline cursor is left around */
1994 setoldcursor = 0;
1995 if (ocrow != -1) {
1996 if (screen.cur.row + TermWin.view_start != ocrow
1997 || screen.cur.col != oldcursor.col) {
1998 if (ocrow < TermWin.nrow
1999 && oldcursor.col < TermWin.ncol) {
2000 drawn_rend[ocrow][oldcursor.col] ^= (RS_RVid | RS_Uline);
2001 } 2120 }
2002 if (TermWin.focus || !showcursor)
2003 oldcursor.row = -1;
2004 else
2005 setoldcursor = 1;
2006 }
2007 } else if (!TermWin.focus)
2008 setoldcursor = 1;
2009 if (setoldcursor) {
2010 if (screen.cur.row + TermWin.view_start >= TermWin.nrow)
2011 oldcursor.row = -1;
2012 else {
2013 oldcursor.row = screen.cur.row + TermWin.view_start;
2014 oldcursor.col = screen.cur.col;
2015 } 2121 }
2016 } 2122 }
2123
2124 /* make sure no outline cursor is left around */
2125 setoldcursor = 0;
2126 if (ocrow != -1)
2127 {
2128 if (screen.cur.row - view_start != ocrow
2129 || screen.cur.col != oldcursor.col)
2130 {
2131 if (ocrow < nrow
2132 && oldcursor.col < ncol)
2133 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2134
2135 if (focus || !showcursor)
2136 oldcursor.row = -1;
2137 else
2138 setoldcursor = 1;
2139 }
2017 } 2140 }
2141 else if (!focus)
2142 setoldcursor = 1;
2143
2144 if (setoldcursor)
2145 {
2146 if (screen.cur.row - view_start >= nrow)
2147 oldcursor.row = -1;
2148 else
2149 {
2150 oldcursor.row = screen.cur.row - view_start;
2151 oldcursor.col = screen.cur.col;
2152 }
2153 }
2154 }
2018 2155
2019#ifndef NO_SLOW_LINK_SUPPORT 2156#ifndef NO_SLOW_LINK_SUPPORT
2020 /* 2157 /*
2021 * D: CopyArea pass - very useful for slower links 2158 * D: CopyArea pass - very useful for slower links
2022 * This has been deliberately kept simple. 2159 * This has been deliberately kept simple.
2023 */ 2160 */
2024 i = num_scr; 2161 if (!display->is_local
2025 if (refresh_type == FAST_REFRESH && num_scr_allow && i 2162 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2026 && abs(i) < TermWin.nrow && !must_clear) 2163 && abs (num_scr) < nrow && !have_bg)
2027 { 2164 {
2028 int16_t nits; 2165 int16_t nits;
2029 int j; 2166 int i = num_scr;
2030 rend_t *drp2; 2167 int j;
2031 text_t *dtp2; 2168 int len, wlen;
2032 int len, wlen;
2033 2169
2034 j = TermWin.nrow; 2170 j = nrow;
2035 wlen = len = -1; 2171 wlen = len = -1;
2036 row = i > 0 ? 0 : j - 1; 2172 row = i > 0 ? 0 : j - 1;
2173
2037 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2174 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2038 { 2175 {
2039 if (row + i >= 0 && row + i < TermWin.nrow && row + i != ocrow) 2176 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2040 { 2177 {
2041 stp = screen.text[row + row_offset]; 2178 line_t s = ROW(view_start + row);
2042 srp = screen.rend[row + row_offset];
2043 dtp = drawn_text[row]; 2179 line_t d = drawn_buf[row];
2044 dtp2 = drawn_text[row + i]; 2180 line_t d2 = drawn_buf[row + i];
2045 drp = drawn_rend[row];
2046 drp2 = drawn_rend[row + i];
2047 2181
2048 for (nits = 0, col = TermWin.ncol; col--; ) 2182 for (nits = 0, col = ncol; col--; )
2049 if (stp[col] != dtp2[col] || srp[col] != drp2[col]) 2183 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
2050 nits--; 2184 nits--;
2051 else if (stp[col] != dtp[col] || srp[col] != drp[col]) 2185 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
2052 nits++; 2186 nits++;
2053 2187
2054 if (nits > 8) /* XXX: arbitrary choice */ 2188 if (nits > 8) /* XXX: arbitrary choice */
2189 {
2190 for (col = ncol; col--; )
2191 {
2192 *d.t++ = *d2.t++;
2193 *d.r++ = *d2.r++;
2194 }
2195
2196 if (len == -1)
2197 len = row;
2198
2199 wlen = row;
2200 continue;
2201 }
2202 }
2203
2204 if (len >= 0)
2205 {
2206 /* also comes here at end if needed because of >= above */
2207 if (wlen < len)
2208 ::swap (wlen, len);
2209
2210 XGCValues gcv;
2211
2212 gcv.graphics_exposures = 1; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2213 XCopyArea (dpy, vt, vt,
2214 gc, 0, Row2Pixel (len + i),
2215 (unsigned int)this->width,
2216 (unsigned int)Height2Pixel (wlen - len + 1),
2217 0, Row2Pixel (len));
2218 gcv.graphics_exposures = 0; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2219
2220 len = -1;
2221 }
2222 }
2223 }
2224#endif
2225
2226 /*
2227 * E: main pass across every character
2228 */
2229 for (row = 0; row < nrow; row++)
2230 {
2231 text_t *stp = ROW(view_start + row).t;
2232 rend_t *srp = ROW(view_start + row).r;
2233 text_t *dtp = drawn_buf[row].t;
2234 rend_t *drp = drawn_buf[row].r;
2235
2236 /*
2237 * E2: OK, now the real pass
2238 */
2239 int ypixel = (int)Row2Pixel (row);
2240
2241 for (col = 0; col < ncol; col++)
2242 {
2243 /* compare new text with old - if exactly the same then continue */
2244 if (stp[col] == dtp[col] /* Must match characters to skip. */
2245 && (RS_SAME (srp[col], drp[col]) /* Either rendition the same or */
2246 || (stp[col] == ' ' /* space w/ no background change */
2247 && GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2248 continue;
2249
2250 // redraw one or more characters
2251
2252 // seek to the beginning of wide characters
2253 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2254 --col;
2255
2256 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2257 text_t *text = stp + col;
2258 int count = 1;
2259
2260 dtp[col] = stp[col];
2261 drp[col] = rend;
2262
2263 int xpixel = Col2Pixel (col);
2264
2265 for (i = 0; ++col < ncol; )
2266 {
2267 if (stp[col] == NOCHAR)
2268 {
2269 dtp[col] = stp[col];
2270 drp[col] = srp[col];
2271
2272 count++;
2273 i++;
2274
2275 continue;
2276 }
2277
2278 if (!RS_SAME (rend, srp[col]))
2279 break;
2280
2281 count++;
2282
2283 if (stp[col] != dtp[col]
2284 || !RS_SAME (srp[col], drp[col]))
2285 {
2286 if (have_bg && (i++ > count / 2))
2287 break;
2288
2289 dtp[col] = stp[col];
2290 drp[col] = rend;
2291 i = 0;
2292 }
2293 else if (have_bg || (stp[col] != ' ' && ++i >= 16))
2294 break;
2295 }
2296
2297 col--; /* went one too far. move back */
2298 count -= i; /* dump any matching trailing chars */
2299
2300 // sometimes we optimize away the trailing NOCHAR's, add them back
2301 while (ecb_unlikely (i && text[count] == NOCHAR))
2302 count++, i--;
2303
2304 /*
2305 * Determine the attributes for the string
2306 */
2307 int fore = fgcolor_of (rend); // desired foreground
2308 int back = bgcolor_of (rend); // desired background
2309
2310 // only do special processing if any attributes are set, which is unlikely
2311 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2312 {
2313 bool invert = rend & RS_RVid;
2314
2315#ifndef NO_BOLD_UNDERLINE_REVERSE
2316 if (rend & RS_Bold && fore == Color_fg)
2317 {
2318 if (ISSET_PIXCOLOR (Color_BD))
2319 fore = Color_BD;
2320# if !ENABLE_STYLES
2321 else
2322 invert = !invert;
2323# endif
2324 }
2325
2326 if (rend & RS_Italic && fore == Color_fg)
2327 {
2328 if (ISSET_PIXCOLOR (Color_IT))
2329 fore = Color_IT;
2330# if !ENABLE_STYLES
2331 else
2332 invert = !invert;
2333# endif
2334 }
2335
2336 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2337 fore = Color_UL;
2338#endif
2339
2340#ifdef OPTION_HC
2341 if (rend & RS_Sel)
2342 {
2343 /* invert the column if no highlightColor is set or it is the
2344 * current cursor column */
2345 if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2346 && ISSET_PIXCOLOR (Color_HC))
2347 {
2348 if (ISSET_PIXCOLOR (Color_HTC))
2349 fore = Color_HTC;
2350 // if invert is 0 reverse video is set so we use bg color as fg color
2351 else if (!invert)
2352 fore = back;
2353
2354 back = Color_HC;
2355 invert = 0;
2356 }
2357 }
2358#endif
2359
2360 if (invert)
2361 {
2362 ::swap (fore, back);
2363
2364#ifndef NO_BOLD_UNDERLINE_REVERSE
2365 if (fore == back)
2366 {
2367 fore = Color_bg;
2368 back = Color_fg;
2369 }
2370#endif
2371 }
2372
2373#ifdef TEXT_BLINK
2374 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2375 {
2376 if (!text_blink_ev.is_active ())
2377 {
2378 text_blink_ev.again ();
2379 hidden_text = 0;
2380 }
2381 else if (hidden_text)
2382 fore = back;
2383 }
2384#endif
2385
2386#if ENABLE_STYLES
2387 // "careful" (too wide) character handling
2388
2389 // include previous careful character(s) if possible, looks nicer (best effort...)
2390 while (text > stp
2391 && srp[text - stp - 1] & RS_Careful
2392 && RS_SAME (rend, srp[text - stp - 1]))
2393 text--, count++, xpixel -= fwidth;
2394
2395 // force redraw after "careful" characters to avoid pixel droppings
2396 for (int i = 0; srp[col + i] & RS_Careful && col + i < ncol - 1; i++)
2397 drp[col + i + 1] = srp[col + i + 1] ^ RS_redraw;
2398
2399 // force redraw before "careful" characters to avoid pixel droppings
2400 for (int i = 0; srp[text - stp - i] & RS_Careful && text - i > stp; i++)
2401 drp[text - stp - i - 1] = srp[text - stp - i - 1] ^ RS_redraw;
2402#endif
2403 }
2404
2405 /*
2406 * Actually do the drawing of the string here
2407 */
2408 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2409
2410 if (ecb_likely (have_bg && back == Color_bg))
2411 {
2412 // this is very ugly, maybe push it into ->draw?
2413
2414 for (i = 0; i < count; i++) /* don't draw empty strings */
2415 if (text[i] != ' ')
2055 { 2416 {
2056 for (col = TermWin.ncol; col--; ) 2417 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent);
2057 { 2418 goto did_clear;
2058 *dtp++ = *dtp2++;
2059 *drp++ = *drp2++;
2060 }
2061
2062 if (len == -1)
2063 len = row;
2064
2065 wlen = row;
2066 continue;
2067 } 2419 }
2420
2421 CLEAR_CHARS (xpixel, ypixel, count);
2422 did_clear: ;
2068 } 2423 }
2424 else
2425 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2069 2426
2070 if (len != -1) 2427 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2071 { 2428 {
2072 /* also comes here at end if needed because of >= above */ 2429#if ENABLE_FRILLS
2073 if (wlen < len) 2430 if (ISSET_PIXCOLOR (Color_underline))
2074 SWAP_IT(wlen, len, int); 2431 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2075
2076 D_SCREEN((stderr, "rxvt_scr_refresh(): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1));
2077 XCopyArea (Xdisplay, TermWin.vt, TermWin.vt,
2078 TermWin.gc, 0, Row2Pixel (len + i),
2079 (unsigned int)TermWin_TotalWidth (),
2080 (unsigned int)Height2Pixel (wlen - len + 1),
2081 0, Row2Pixel (len));
2082 len = -1;
2083 }
2084 }
2085 }
2086#endif
2087
2088 /*
2089 * E: main pass across every character
2090 */
2091 for (row = 0; row < TermWin.nrow; row++)
2092 {
2093 stp = screen.text[row + row_offset];
2094 srp = screen.rend[row + row_offset];
2095 dtp = drawn_text[row];
2096 drp = drawn_rend[row];
2097
2098 /*
2099 * E2: OK, now the real pass
2100 */
2101 int ypixel = (int)Row2Pixel(row);
2102
2103 for (col = 0; col < TermWin.ncol; col++)
2104 {
2105 /* compare new text with old - if exactly the same then continue */
2106 rend_t rend = srp[col]; /* screen rendition (target rendtion) */
2107
2108 if (stp[col] == dtp[col] /* Must match characters to skip. */
2109 && (rend == drp[col] /* Either rendition the same or */
2110 || (stp[col] == ' ' /* space w/ no background change */
2111 && GET_BGATTR(rend) == GET_BGATTR(drp[col]))))
2112 continue;
2113
2114 text_t *text = stp + col;
2115 int count = 1;
2116
2117 /* redraw one or more characters */
2118
2119 dtp[col] = stp[col];
2120 drp[col] = rend;
2121
2122 if (*text == NOCHAR) // never start redrawing at invisible characters. */
2123 continue;
2124
2125 int xpixel = Col2Pixel(col);
2126
2127 // this loop looks very messy, it can probably be optimized
2128 // and cleaned a bit by you?
2129 for (i = 0; ++col < TermWin.ncol; )
2130 {
2131 if (stp[col] == NOCHAR)
2132 {
2133 dtp[col] = stp[col];
2134 drp[col] = rend;
2135 count++;
2136
2137 if (i) // only possible skip if char unchanged
2138 i++;
2139
2140 continue;
2141 }
2142
2143 if (((rend ^ srp[col]) & ~RS_wide) != 0)
2144 break;
2145
2146 count++;
2147
2148 if (stp[col] != dtp[col]
2149 || srp[col] != drp[col])
2150 {
2151 if (must_clear && (i++ > (count / 2)))
2152 break;
2153
2154 dtp[col] = stp[col];
2155 drp[col] = rend;
2156 i = 0;
2157 }
2158 else if (must_clear || (stp[col] != ' ' && ++i >= 32))
2159 break;
2160 }
2161
2162 col--; /* went one too far. move back */
2163 count -= i; /* dump any matching trailing chars */
2164
2165 /*
2166 * Determine the attributes for the string
2167 */
2168 int fid = GET_FONT(rend);
2169 fore = GET_FGCOLOR(rend);
2170 back = GET_BGCOLOR(rend);
2171 rend = GET_ATTR(rend);
2172
2173 rvid = (rend & RS_RVid) ? 1 : 0;
2174#ifdef OPTION_HC
2175 if (!rvid && (rend & RS_Blink))
2176 {
2177 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_HC))
2178 back = Color_HC;
2179 else 2432 else
2180 rvid = !rvid; /* fall back */ 2433#endif
2434 XSetForeground (dpy, gc, pix_colors[fore]);
2435
2436 XDrawLine (dpy, vt, gc,
2437 xpixel, ypixel + font->ascent + 1,
2438 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2181 } 2439 }
2182#endif 2440 } /* for (col....) */
2183 if (rvid) 2441 } /* for (row....) */
2442
2443 /*
2444 * G: cleanup cursor and display outline cursor if necessary
2445 */
2446 if (showcursor)
2447 {
2448 if (focus)
2449 {
2450 if (option (Opt_cursorUnderline))
2451 *crp ^= RS_Uline;
2452 else
2184 { 2453 {
2185 SWAP_IT(fore, back, int); 2454 *crp ^= RS_RVid;
2186
2187#ifndef NO_BOLD_UNDERLINE_REVERSE
2188 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_RV)
2189# ifndef NO_CURSORCOLOR 2455#ifndef NO_CURSORCOLOR
2456 *crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1;
2457#endif
2458 }
2459 }
2460 else if (oldcursor.row >= 0)
2461 {
2462 int cursorwidth = 1;
2463 int col = oldcursor.col;
2464
2465 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2466 col--;
2467
2468 while (col + cursorwidth < ncol
2469 && drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2470 cursorwidth++;
2471
2472#ifndef NO_CURSORCOLOR
2190 && !ISSET_PIXCOLOR (this, Color_cursor) 2473 if (ISSET_PIXCOLOR (Color_cursor))
2474 XSetForeground (dpy, gc, pix_colors[Color_cursor]);
2475 else
2476#endif
2477 XSetForeground (dpy, gc, pix_colors[ccol1]);
2478
2479 XDrawRectangle (dpy, vt, gc,
2480 Col2Pixel (col),
2481 Row2Pixel (oldcursor.row),
2482 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2483 (unsigned int) (Height2Pixel (1) - 1));
2484 }
2485 }
2486
2487 /*
2488 * H: cleanup selection
2489 */
2490#if ENABLE_OVERLAY
2491 scr_swap_overlay ();
2492#endif
2493 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2494
2495 scr_reverse_selection ();
2496
2497 screen.flags = old_screen_flags;
2498 num_scr = 0;
2499 num_scr_allow = 1;
2500}
2501
2502void ecb_cold
2503rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2504{
2505 if (!l.valid ())
2506 return;
2507
2508 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2509
2510 for (int i = ncol; i--; )
2511 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2512}
2513
2514void ecb_cold
2515rxvt_term::scr_remap_chars () NOTHROW
2516{
2517 for (int i = total_rows; i--; )
2518 scr_remap_chars (row_buf [i]);
2519
2520 for (int i = nrow; i--; )
2521 {
2522 scr_remap_chars (drawn_buf [i]);
2523 scr_remap_chars (swap_buf [i]);
2524 }
2525}
2526
2527void ecb_cold
2528rxvt_term::scr_recolour (bool refresh) NOTHROW
2529{
2530 bool transparent = false;
2531
2532#ifdef HAVE_BG_PIXMAP
2533 if (bg_pixmap != None)
2534 {
2535# if ENABLE_TRANSPARENCY
2536 if (bg_flags & BG_IS_TRANSPARENT)
2537 {
2538 XSetWindowBackgroundPixmap (dpy, parent, bg_pixmap);
2539 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2540
2541 transparent = true;
2542 }
2543 else
2191# endif 2544# endif
2192 )
2193 back = Color_RV;
2194#endif
2195 }
2196#ifndef NO_BOLD_UNDERLINE_REVERSE
2197 else if (rend & RS_Bold)
2198 { 2545 {
2199 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_BD)) 2546 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2200 { 2547 XSetWindowBackgroundPixmap (dpy, vt, bg_pixmap);
2201 fore = Color_BD; 2548 }
2202# ifndef VERYBOLD 2549 }
2203 rend &= ~RS_Bold; /* we've taken care of it */ 2550 else
2204# endif 2551#endif
2205 }
2206 }
2207 else if (rend & RS_Uline)
2208 {
2209 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_UL))
2210 {
2211 fore = Color_UL;
2212 rend &= ~RS_Uline; /* we've taken care of it */
2213 }
2214 }
2215#endif
2216
2217 /*
2218 * Actually do the drawing of the string here
2219 */
2220 rxvt_font *font = (*TermWin.fontset)[fid];
2221
2222 if (back == Color_bg)
2223 {
2224 if (must_clear)
2225 {
2226 for (i = 0; i < count; i++) /* don't draw empty strings */
2227 if (text[i] != ' ')
2228 {
2229 font->draw (xpixel, ypixel, text, count, fore, -1);
2230 goto nodraw;
2231 }
2232
2233 CLEAR_CHARS (xpixel, ypixel, count);
2234nodraw: ;
2235 }
2236 else
2237 font->draw (xpixel, ypixel, text, count, fore, Color_bg);
2238 }
2239 else
2240 font->draw (xpixel, ypixel, text, count, fore, back);
2241
2242 if ((rend & RS_Uline) && (font->descent > 1))
2243 XDrawLine(Xdisplay, drawBuffer, TermWin.gc,
2244 xpixel, ypixel + font->ascent + 1,
2245 xpixel + Width2Pixel(count) - 1, ypixel + font->ascent + 1);
2246 } /* for (col....) */
2247 } /* for (row....) */
2248
2249 /*
2250 * G: cleanup cursor and display outline cursor if necessary
2251 */
2252 if (showcursor) {
2253 if (TermWin.focus) {
2254 srp = &(screen.rend[screen.cur.row + TermWin.saveLines]
2255 [screen.cur.col]);
2256 *srp ^= RS_RVid;
2257#ifndef NO_CURSORCOLOR
2258 *srp = (*srp & ~(RS_fgMask | RS_bgMask)) | cc1;
2259#endif
2260 } else if (oldcursor.row >= 0) {
2261#ifndef NO_CURSORCOLOR
2262 unsigned long gcmask; /* Graphics Context mask */
2263
2264 if (Xdepth > 2 && ISSET_PIXCOLOR (this, Color_cursor))
2265 XSetForeground (Xdisplay, TermWin.gc, PixColors[Color_cursor]);
2266#endif
2267 XDrawRectangle(Xdisplay, drawBuffer, TermWin.gc,
2268 Col2Pixel(oldcursor.col),
2269 Row2Pixel(oldcursor.row),
2270 (unsigned int)(Width2Pixel(cursorwidth) - 1),
2271 (unsigned int)(Height2Pixel(1) - TermWin.lineSpace - 1));
2272 }
2273 } 2552 {
2553 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2554 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2555 }
2274 2556
2275 /* 2557 XClearWindow (dpy, parent);
2276 * H: cleanup selection
2277 */
2278 rxvt_scr_reverse_selection (this);
2279 2558
2280 /* 2559 if (scrollBar.win)
2281 * I: other general cleanup 2560 {
2282 */ 2561 if (transparent)
2283 if (clearfirst && TermWin.int_bwidth) 2562 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2284 /* 2563 else
2285 * clear the whole screen height, note that width == 0 is treated 2564 XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);
2286 * specially by XClearArea 2565 scrollBar.state = SB_STATE_IDLE;
2287 */ 2566 scrollBar.show (0);
2288 XClearArea(Xdisplay, TermWin.vt, 0, 0, 2567 }
2289 (unsigned int)TermWin.int_bwidth,
2290 (unsigned int)TermWin_TotalHeight(), False);
2291 if (clearlast && TermWin.int_bwidth)
2292 /*
2293 * clear the whole screen height, note that width == 0 is treated
2294 * specially by XClearArea
2295 */
2296 XClearArea(Xdisplay, TermWin.vt,
2297 TermWin.width + TermWin.int_bwidth, 0,
2298 (unsigned int)TermWin.int_bwidth,
2299 (unsigned int)TermWin_TotalHeight(), False);
2300 if (refresh_type & SMOOTH_REFRESH)
2301 XSync(Xdisplay, False);
2302 2568
2303 num_scr = 0; 2569 if (refresh)
2304 num_scr_allow = 1; 2570 {
2305 want_refresh = 0; /* screen is current */ 2571 scr_clear ();
2572 scr_touch (true);
2573 }
2574 want_refresh = 1;
2306} 2575}
2307 2576
2308/* ------------------------------------------------------------------------- */ 2577/* ------------------------------------------------------------------------- */
2309void 2578void
2310rxvt_term::scr_clear() 2579rxvt_term::scr_clear (bool really) NOTHROW
2311{ 2580{
2312 if (!TermWin.mapped) 2581 if (!mapped)
2313 return; 2582 return;
2314 2583
2315 num_scr_allow = 0; 2584 num_scr_allow = 0;
2316 want_refresh = 1; 2585 want_refresh = 1;
2317#ifdef TRANSPARENT 2586
2318 if ((Options & Opt_transparent) && (am_pixmap_trans == 0)) 2587 if (really)
2588 XClearWindow (dpy, vt);
2589}
2590
2591void
2592rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW
2593{
2594 int view_end = view_start + nrow;
2595 int row, col;
2596
2597 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2598 {
2599 text_t *stp = ROW(row).t;
2600 rend_t *srp = ROW(row).r;
2601
2602 for (col = beg_col; col < end_col; col++)
2603 srp[col] ^= rstyle1;
2604
2605 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2606 srp[col] ^= rstyle2;
2607
2608 if (++col < end_col)
2609 srp[col] ^= rstyle2;
2319 { 2610 }
2320 int i; 2611}
2321 2612
2322 if (!(Options & Opt_transparent_all)) 2613void
2614rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW
2615{
2616 int view_end = view_start + nrow;
2617 int row, col;
2618
2619 if (beg_row >= view_start)
2620 {
2621 col = beg_col;
2622 row = beg_row;
2623 }
2624 else
2625 {
2323 i = 0; 2626 col = 0;
2627 row = view_start;
2628 }
2629
2630 for (; row < min (end_row, view_end); row++, col = 0)
2631 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2632 srp[col] ^= rstyle;
2633
2634 if (row == end_row)
2635 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2636 srp[col] ^= rstyle;
2637}
2638
2639/* ------------------------------------------------------------------------- */
2640void ecb_hot
2641rxvt_term::scr_reverse_selection () NOTHROW
2642{
2643 if (selection.op
2644 && current_screen == selection.screen
2645 && selection.end.row >= view_start)
2646 {
2647#if !ENABLE_MINIMAL
2648 if (selection.rect)
2649 scr_xor_rect (selection.beg.row, selection.beg.col,
2650 selection.end.row, selection.end.col,
2651 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2324 else 2652 else
2325 i = (int)(sizeof(TermWin.parent) / sizeof(Window));
2326
2327 while (i--)
2328 if (TermWin.parent[i] != None)
2329 XClearWindow(Xdisplay, TermWin.parent[i]);
2330 }
2331#endif 2653#endif
2332 2654 scr_xor_span (selection.beg.row, selection.beg.col,
2333 XClearWindow (Xdisplay, TermWin.vt); 2655 selection.end.row, selection.end.col,
2334} 2656 RS_Sel | RS_RVid);
2335
2336/* ------------------------------------------------------------------------- */
2337/* INTPROTO */
2338void
2339rxvt_scr_reverse_selection(pR)
2340{
2341 int i, col, row, end_row;
2342 rend_t *srp;
2343
2344 if (R->selection.op && R->current_screen == R->selection.screen) {
2345 end_row = R->TermWin.saveLines - R->TermWin.view_start;
2346 i = R->selection.beg.row + R->TermWin.saveLines;
2347 row = R->selection.end.row + R->TermWin.saveLines;
2348 if (i >= end_row)
2349 col = R->selection.beg.col;
2350 else {
2351 col = 0;
2352 i = end_row;
2353 }
2354 end_row += R->TermWin.nrow;
2355 for (; i < row && i < end_row; i++, col = 0)
2356 for (srp = R->screen.rend[i]; col < R->TermWin.ncol; col++)
2357#ifndef OPTION_HC
2358 srp[col] ^= RS_RVid;
2359#else
2360 srp[col] ^= RS_Blink;
2361#endif
2362 if (i == row && i < end_row)
2363 for (srp = R->screen.rend[i]; col < R->selection.end.col; col++)
2364#ifndef OPTION_HC
2365 srp[col] ^= RS_RVid;
2366#else
2367 srp[col] ^= RS_Blink;
2368#endif
2369 } 2657 }
2370} 2658}
2371 2659
2372/* ------------------------------------------------------------------------- */ 2660/* ------------------------------------------------------------------------- */
2373/* 2661/*
2374 * Dump the whole scrollback and screen to the passed filedescriptor. The 2662 * Dump the whole scrollback and screen to the passed filedescriptor. The
2375 * invoking routine must close the fd. 2663 * invoking routine must close the fd.
2376 */ 2664 */
2377#if 0 2665#if 0
2378/* EXTPROTO */
2379void 2666void
2380rxvt_scr_dump(pR_ int fd) 2667rxvt_term::scr_dump (int fd) NOTHROW
2381{ 2668{
2382 int row, wrote; 2669 // if this method is needed, it can be implemented by factoring the
2383 unsigned int width, towrite; 2670 // relevant code in scr_printscreen
2384 char r1[] = "\n";
2385
2386 for (row = R->TermWin.saveLines - R->TermWin.nscrolled;
2387 row < R->TermWin.saveLines + R->TermWin.nrow - 1; row++) {
2388 width = R->screen.tlen[row] >= 0 ? R->screen.tlen[row]
2389 : R->TermWin.ncol;
2390 for (towrite = width; towrite; towrite -= wrote) {
2391 wrote = write(fd, &(R->screen.text[row][width - towrite]),
2392 towrite);
2393 if (wrote < 0)
2394 return; /* XXX: death, no report */
2395 }
2396 if (R->screen.tlen[row] >= 0)
2397 if (write(fd, r1, 1) <= 0)
2398 return; /* XXX: death, no report */
2399 }
2400} 2671}
2401#endif 2672#endif
2402 2673
2403/* ------------------------------------------------------------------------- * 2674/* ------------------------------------------------------------------------- *
2404 * CHARACTER SELECTION * 2675 * CHARACTER SELECTION *
2405 * ------------------------------------------------------------------------- */ 2676 * ------------------------------------------------------------------------- */
2406
2407/*
2408 * -R->TermWin.nscrolled <= (selection row) <= R->TermWin.nrow - 1
2409 */
2410/* EXTPROTO */
2411void 2677void
2412rxvt_selection_check(pR_ int check_more) 2678rxvt_term::selection_check (int check_more) NOTHROW
2413{ 2679{
2414 row_col_t pos;
2415
2416 if (!R->selection.op) 2680 if (!selection.op)
2417 return; 2681 return;
2418 2682
2419 pos.row = pos.col = 0; 2683 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2420 if ((R->selection.beg.row < -(int32_t)R->TermWin.nscrolled) 2684 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2421 || (R->selection.beg.row >= R->TermWin.nrow) 2685 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2422 || (R->selection.mark.row < -(int32_t)R->TermWin.nscrolled)
2423 || (R->selection.mark.row >= R->TermWin.nrow)
2424 || (R->selection.end.row < -(int32_t)R->TermWin.nscrolled)
2425 || (R->selection.end.row >= R->TermWin.nrow)
2426 || (check_more == 1 2686 || (check_more == 1
2427 && R->current_screen == R->selection.screen 2687 && current_screen == selection.screen
2428 && !ROWCOL_IS_BEFORE(R->screen.cur, R->selection.beg) 2688 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2429 && ROWCOL_IS_BEFORE(R->screen.cur, R->selection.end)) 2689 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2430 || (check_more == 2
2431 && ROWCOL_IS_BEFORE(R->selection.beg, pos)
2432 && ROWCOL_IS_AFTER(R->selection.end, pos))
2433 || (check_more == 3
2434 && ROWCOL_IS_AFTER(R->selection.end, pos))
2435 || (check_more == 4 /* screen width change */
2436 && (R->selection.beg.row != R->selection.end.row
2437 || R->selection.end.col > R->TermWin.ncol)))
2438 CLEAR_SELECTION(R); 2690 CLEAR_ALL_SELECTION ();
2439} 2691}
2440 2692
2441/* ------------------------------------------------------------------------- */ 2693/* ------------------------------------------------------------------------- */
2442/* 2694/*
2443 * Paste a selection direct to the command fd 2695 * Paste a selection direct to the command fd
2444 */ 2696 */
2445void 2697void
2446rxvt_term::paste (const unsigned char *data, unsigned int len) 2698rxvt_term::tt_paste (char *data, unsigned int len) NOTHROW
2447{ 2699{
2448 unsigned int i, j, n;
2449 unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE);
2450
2451#if 0
2452 /* a paste should act like the user is typing, so check scrollTtyKeypress */
2453 ZERO_SCROLLBACK (r);
2454#endif
2455
2456 /* convert normal newline chars into common keyboard Return key sequence */ 2700 /* convert normal newline chars into common keyboard Return key sequence */
2457 for (i = 0; i < len; i += PROP_SIZE) 2701 for (unsigned int i = 0; i < len; i++)
2458 { 2702 if (data[i] == C0_LF)
2459 n = min (len - i, PROP_SIZE); 2703 data[i] = C0_CR;
2460 MEMCPY (ds, data + i, n);
2461 2704
2462 for (j = 0; j < n; j++) 2705 if (priv_modes & PrivMode_BracketPaste)
2463 if (ds[j] == '\n') 2706 tt_printf ("\x1b[200~");
2464 ds[j] = '\r';
2465 2707
2466 tt_write (ds, (int)n); 2708 tt_write (data, len);
2467 }
2468 2709
2469 free(ds); 2710 if (priv_modes & PrivMode_BracketPaste)
2711 tt_printf ("\x1b[201~");
2470} 2712}
2471 2713
2472/* ------------------------------------------------------------------------- */ 2714void
2473/* 2715rxvt_term::paste (char *data, unsigned int len) NOTHROW
2474 * Respond to a notification that a primary selection has been sent
2475 * EXT: SelectionNotify
2476 */
2477/* EXTPROTO */
2478int
2479rxvt_selection_paste(pR_ Window win, Atom prop, Bool delete_prop)
2480{ 2716{
2481 long nread = 0; 2717 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2482 unsigned long bytes_after;
2483 XTextProperty ct;
2484 int dummy_count;
2485 char **cl;
2486
2487 D_SELECT((stderr, "rxvt_selection_paste(%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, R->selection_wait));
2488
2489 if (prop == None) /* check for failed XConvertSelection */
2490 {
2491 if ((R->selection_type & Sel_CompoundText))
2492 {
2493 int selnum = R->selection_type & Sel_whereMask;
2494
2495 R->selection_type = 0;
2496 if (selnum != Sel_direct)
2497 rxvt_selection_request_other(aR_ XA_STRING, selnum);
2498 }
2499
2500 return 0; 2718 return;
2501 }
2502 2719
2503 for (;;) 2720 tt_paste (data, len);
2504 {
2505 if (XGetWindowProperty(R->Xdisplay, win, prop, (long)(nread / 4),
2506 (long)(PROP_SIZE / 4), delete_prop,
2507 AnyPropertyType, &ct.encoding, &ct.format,
2508 &ct.nitems, &bytes_after,
2509 &ct.value) != Success)
2510 break;
2511
2512 if (ct.encoding == 0)
2513 {
2514 D_SELECT((stderr, "rxvt_selection_paste: property didn't exist!"));
2515 break;
2516 }
2517
2518 if (ct.value == NULL)
2519 {
2520 D_SELECT((stderr, "rxvt_selection_paste: property shooting blanks!"));
2521 continue;
2522 }
2523
2524 if (ct.nitems == 0)
2525 {
2526 D_SELECT((stderr, "rxvt_selection_paste: property empty - also INCR end"));
2527 if (R->selection_wait == Sel_normal && nread == 0)
2528 {
2529 /*
2530 * pass through again trying CUT_BUFFER0 if we've come from
2531 * XConvertSelection() but nothing was presented
2532 */
2533 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2534 rxvt_selection_paste (aR_ Xroot, XA_CUT_BUFFER0, False);
2535 }
2536
2537 nread = -1; /* discount any previous stuff */
2538 break;
2539 }
2540
2541 nread += ct.nitems;
2542 if (XmbTextPropertyToTextList (R->Xdisplay, &ct, &cl,
2543 &dummy_count) == Success && cl)
2544 {
2545 R->paste ((unsigned char *)cl[0], STRLEN (cl[0]));
2546 XFreeStringList (cl);
2547 }
2548 else
2549 R->paste (ct.value, ct.nitems);
2550
2551 if (bytes_after == 0)
2552 break;
2553
2554 XFree (ct.value);
2555 }
2556
2557 if (ct.value)
2558 XFree (ct.value);
2559
2560 if (R->selection_wait == Sel_normal)
2561 R->selection_wait = Sel_none;
2562
2563 D_SELECT((stderr, "rxvt_selection_paste: bytes written: %ld", nread));
2564 return (int)nread;
2565} 2721}
2566 2722
2567void
2568rxvt_term::incr_cb (time_watcher &w)
2569{
2570 selection_wait = Sel_none;
2571
2572 rxvt_print_error ("data loss: timeout on INCR selection paste");
2573}
2574
2575/*
2576 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2577 */
2578/* EXTPROTO */
2579void
2580rxvt_selection_property(pR_ Window win, Atom prop)
2581{
2582 int reget_time = 0;
2583
2584 if (prop == None)
2585 return;
2586 D_SELECT((stderr, "rxvt_selection_property(%08lx, %lu)", win, (unsigned long)prop));
2587 if (R->selection_wait == Sel_normal) {
2588 int a, afmt;
2589 Atom atype;
2590 unsigned long bytes_after, nitems;
2591 unsigned char *s = NULL;
2592
2593 a = XGetWindowProperty(R->Xdisplay, win, prop, 0L, 1L, False,
2594 R->xa[XA_INCR], &atype, &afmt, &nitems,
2595 &bytes_after, &s);
2596 if (s)
2597 XFree(s);
2598 if (a != Success)
2599 return;
2600#ifndef __CYGWIN32__
2601 if (atype == R->xa[XA_INCR]) { /* start an INCR transfer */
2602 D_SELECT((stderr, "rxvt_selection_property: INCR: starting transfer"));
2603 XDeleteProperty(R->Xdisplay, win, prop);
2604 XFlush(R->Xdisplay);
2605 reget_time = 1;
2606 R->selection_wait = Sel_incr;
2607 }
2608#endif
2609 } else if (R->selection_wait == Sel_incr) {
2610 reget_time = 1;
2611 if (rxvt_selection_paste(aR_ win, prop, True) == -1) {
2612 D_SELECT((stderr, "rxvt_selection_property: INCR: clean end"));
2613 R->selection_wait = Sel_none;
2614 R->incr_ev.stop ();
2615 }
2616 }
2617 if (reget_time) /* received more data so reget time */
2618 R->incr_ev.start (NOW + 10);
2619}
2620/* ------------------------------------------------------------------------- */ 2723/* ------------------------------------------------------------------------- */
2621/* 2724/*
2622 * Request the current selection: 2725 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2623 * Order: > internal selection if available 2726 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2624 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2727 * as fallback
2625 * > CUT_BUFFER0
2626 * (+) if ownership is claimed but property is empty, rxvt_selection_paste()
2627 * will auto fallback to CUT_BUFFER0
2628 * EXT: button 2 release 2728 * EXT: button 2 release
2629 */ 2729 */
2630/* EXTPROTO */
2631void 2730void
2632rxvt_selection_request(pR_ Time tm, int x, int y) 2731rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2633{ 2732{
2634 D_SELECT((stderr, "rxvt_selection_request(%lu, %d, %d)", tm, x, y)); 2733 if (!selection_req)
2635 if (x < 0 || x >= R->TermWin.width || y < 0 || y >= R->TermWin.height)
2636 return; /* outside window */
2637
2638 if (R->selection.text != NULL) { /* internal selection */
2639 D_SELECT((stderr, "rxvt_selection_request: pasting internal"));
2640 R->paste (R->selection.text, R->selection.len);
2641 return;
2642 } else {
2643 int i;
2644
2645 R->selection_request_time = tm;
2646 R->selection_wait = Sel_normal;
2647 for (i = Sel_Primary; i <= Sel_Clipboard; i++) {
2648 R->selection_type = Sel_CompoundText;
2649 if (rxvt_selection_request_other(aR_ R->xa[XA_COMPOUND_TEXT], i))
2650 return;
2651 }
2652 } 2734 {
2653 R->selection_wait = Sel_none; /* don't loop in rxvt_selection_paste() */ 2735 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2654 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0")); 2736 selection_req->run ();
2655 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, False);
2656}
2657
2658/* INTPROTO */
2659int
2660rxvt_selection_request_other(pR_ Atom target, int selnum)
2661{
2662 Atom sel;
2663#ifdef DEBUG_SELECT
2664 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2665#endif
2666
2667 R->selection_type |= selnum;
2668 if (selnum == Sel_Primary)
2669 sel = XA_PRIMARY;
2670 else if (selnum == Sel_Secondary)
2671 sel = XA_SECONDARY;
2672 else
2673 sel = R->xa[XA_CLIPBOARD];
2674 if (XGetSelectionOwner(R->Xdisplay, sel) != None) {
2675 D_SELECT((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum]));
2676 XConvertSelection(R->Xdisplay, sel, target, R->xa[XA_VT_SELECTION],
2677 R->TermWin.vt, R->selection_request_time);
2678 return 1;
2679 } 2737 }
2680 return 0;
2681} 2738}
2682 2739
2683/* ------------------------------------------------------------------------- */ 2740/* ------------------------------------------------------------------------- */
2684/* 2741/*
2685 * Clear all selected text 2742 * Clear all selected text
2686 * EXT: SelectionClear 2743 * EXT: SelectionClear
2687 */ 2744 */
2688/* EXTPROTO */
2689void 2745void
2690rxvt_selection_clear(pR) 2746rxvt_term::selection_clear (bool clipboard) NOTHROW
2691{ 2747{
2692 D_SELECT((stderr, "rxvt_selection_clear()")); 2748 if (!clipboard)
2693 2749 {
2694 R->want_refresh = 1; 2750 want_refresh = 1;
2695 if (R->selection.text)
2696 free(R->selection.text); 2751 free (selection.text);
2697 R->selection.text = NULL; 2752 selection.text = NULL;
2698 R->selection.len = 0; 2753 selection.len = 0;
2699 CLEAR_SELECTION(R); 2754 CLEAR_SELECTION ();
2755
2756 if (display->selection_owner == this)
2757 display->selection_owner = 0;
2758 }
2759 else
2760 {
2761 free (selection.clip_text);
2762 selection.clip_text = NULL;
2763 selection.clip_len = 0;
2764
2765 if (display->clipboard_owner == this)
2766 display->clipboard_owner = 0;
2767 }
2700} 2768}
2701 2769
2702/* ------------------------------------------------------------------------- */ 2770/* ------------------------------------------------------------------------- */
2703/* 2771/*
2704 * Copy a selection into the cut buffer 2772 * Copy a selection into the cut buffer
2705 * EXT: button 1 or 3 release 2773 * EXT: button 1 or 3 release
2706 */ 2774 */
2707/* EXTPROTO */
2708void 2775void
2709rxvt_selection_make(pR_ Time tm) 2776rxvt_term::selection_make (Time tm)
2710{ 2777{
2711 int i, col, end_col, row, end_row; 2778 int size;
2712 unsigned char *new_selection_text; 2779 wchar_t *new_selection_text;
2713 char *str; 2780 text_t *t;
2714 text_t *t;
2715#ifdef ACS_ASCII
2716 rend_t *re;
2717#endif
2718 2781
2719 D_SELECT((stderr, "rxvt_selection_make(): R->selection.op=%d, R->selection.clicks=%d", R->selection.op, R->selection.clicks));
2720 switch (R->selection.op) { 2782 switch (selection.op)
2783 {
2721 case SELECTION_CONT: 2784 case SELECTION_CONT:
2722 break; 2785 break;
2723 case SELECTION_INIT: 2786 case SELECTION_INIT:
2724 CLEAR_SELECTION(R); 2787 CLEAR_SELECTION ();
2725 /* FALLTHROUGH */ 2788 /* FALLTHROUGH */
2726 case SELECTION_BEGIN: 2789 case SELECTION_BEGIN:
2727 R->selection.op = SELECTION_DONE; 2790 selection.op = SELECTION_DONE;
2728 /* FALLTHROUGH */ 2791 /* FALLTHROUGH */
2729 default: 2792 default:
2730 return; 2793 return;
2731 } 2794 }
2795
2732 R->selection.op = SELECTION_DONE; 2796 selection.op = SELECTION_DONE;
2733 2797
2734 if (R->selection.clicks == 4) 2798 if (selection.clicks == 4)
2735 return; /* nothing selected, go away */ 2799 return; /* nothing selected, go away */
2736 2800
2801 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2802 return;
2803
2737 i = (R->selection.end.row - R->selection.beg.row + 1) * (R->TermWin.ncol + 1) + 1; 2804 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2738 str = (char *)rxvt_malloc(i * MB_CUR_MAX + 1); 2805 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2739 2806
2740 new_selection_text = (unsigned char *)str; 2807 int ofs = 0;
2808 int extra = 0;
2741 2809
2742 col = R->selection.beg.col; 2810 int col = selection.beg.col;
2743 MAX_IT(col, 0); 2811 int row = selection.beg.row;
2744 row = R->selection.beg.row + R->TermWin.saveLines;
2745 end_row = R->selection.end.row + R->TermWin.saveLines;
2746 2812
2813 int end_col;
2814
2747 for (; row <= end_row; row++, col = 0) 2815 for (; row <= selection.end.row; row++, col = 0)
2816 {
2817#if !ENABLE_MINIMAL
2818 if (selection.rect)
2748 { 2819 {
2749 t = &(R->screen.text[row][col]); 2820 col = selection.beg.col;
2750
2751 end_col = R->screen.tlen[row];
2752
2753 if (end_col == -1)
2754 end_col = R->TermWin.ncol; 2821 end_col = selection.end.col;
2822 }
2823 else
2824#endif
2825 end_col = ROW(row).l;
2755 2826
2827 col = max (col, 0);
2828
2756 if (row == end_row) 2829 if (row == selection.end.row)
2757 MIN_IT (end_col, R->selection.end.col); 2830 min_it (end_col, selection.end.col);
2758 2831
2832 t = ROW(row).t + col;
2833
2759 for (; col < end_col; col++) 2834 for (; col < end_col; col++)
2835 {
2760 if (*t == NOCHAR) 2836 if (*t == NOCHAR)
2761 t++; 2837 t++;
2838#if ENABLE_COMBINING
2839 else if (IS_COMPOSE (*t))
2840 {
2841 int len = rxvt_composite.expand (*t, 0);
2842
2843 extra -= (len - 1);
2844
2845 if (extra < 0)
2846 {
2847 extra += size;
2848 size += size;
2849 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
2850 }
2851
2852 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
2853 }
2854#endif
2762 else 2855 else
2763 { 2856 new_selection_text[ofs++] = *t++;
2764 int len = wctomb (str, *t++);
2765 if (len > 0)
2766 str += len;
2767 }
2768
2769 if (R->screen.tlen[row] != -1 && row != end_row)
2770 *str++ = '\n';
2771 } 2857 }
2772 2858
2773#ifndef NO_OLD_SELECTION 2859#if !ENABLE_MINIMAL
2774 if (R->selection_style == OLD_SELECT) 2860 if (selection.rect)
2775 if (end_col == R->TermWin.ncol)
2776 *str++ = '\n';
2777#endif
2778#ifndef NO_NEW_SELECTION
2779 if (R->selection_style != OLD_SELECT)
2780 if (end_col != R->selection.end.col)
2781 *str++ = '\n';
2782#endif
2783 *str = '\0';
2784
2785 i = str - (char *)new_selection_text;
2786 if (i == 0)
2787 { 2861 {
2862 while (ofs
2863 && new_selection_text[ofs - 1] != C0_LF
2864 && unicode::is_space (new_selection_text[ofs - 1]))
2865 --ofs;
2866
2867 new_selection_text[ofs++] = C0_LF;
2868 }
2869 else
2870#endif
2871 if (!ROW(row).is_longer ()
2872 && (row != selection.end.row || end_col != selection.end.col)
2873 && (row != selection.beg.row || selection.beg.col < ncol))
2874 new_selection_text[ofs++] = C0_LF;
2875 }
2876
2877 new_selection_text[ofs] = 0;
2878
2879 if (ofs == 0)
2880 {
2788 free (new_selection_text); 2881 free (new_selection_text);
2789 return; 2882 return;
2790 } 2883 }
2791 2884
2792 // due to MB_MAX_CUR, selection wastage is usually high
2793 if (str - (char *)new_selection_text > 1024)
2794 new_selection_text = (unsigned char *)rxvt_realloc (new_selection_text, i + 1);
2795
2796 R->selection.len = i;
2797 if (R->selection.text)
2798 free (R->selection.text); 2885 free (selection.text);
2799 2886
2800 R->selection.text = new_selection_text; 2887 // we usually allocate much more than necessary, so realloc it smaller again
2888 selection.len = ofs;
2889 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2801 2890
2802 XSetSelectionOwner(R->Xdisplay, XA_PRIMARY, R->TermWin.vt, tm); 2891 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
2803 if (XGetSelectionOwner(R->Xdisplay, XA_PRIMARY) != R->TermWin.vt) 2892 return;
2804 rxvt_print_error("can't get primary selection"); 2893
2805 XChangeProperty(R->Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2894 selection_grab (tm);
2806 PropModeReplace, R->selection.text, (int)R->selection.len); 2895}
2896
2897bool
2898rxvt_term::selection_grab (Time tm, bool clipboard) NOTHROW
2899{
2900 Atom sel;
2901
2902 if (!clipboard)
2903 {
2807 R->selection_time = tm; 2904 selection_time = tm;
2808 D_SELECT((stderr, "rxvt_selection_make(): R->selection.len=%d", R->selection.len)); 2905 sel = XA_PRIMARY;
2906 }
2907 else
2908 {
2909 clipboard_time = tm;
2910 sel = xa[XA_CLIPBOARD];
2911 }
2912
2913 XSetSelectionOwner (dpy, sel, vt, tm);
2914 if (XGetSelectionOwner (dpy, sel) == vt)
2915 {
2916 display->set_selection_owner (this, clipboard);
2917 return true;
2918 }
2919 else
2920 {
2921 selection_clear (clipboard);
2922 return false;
2923 }
2924
2925#if 0
2926 XTextProperty ct;
2927
2928 if (XwcTextListToTextProperty (dpy, &selection.text, 1, XStringStyle, &ct) >= 0)
2929 {
2930 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2931 XFree (ct.value);
2932 }
2933#endif
2809} 2934}
2810 2935
2811/* ------------------------------------------------------------------------- */ 2936/* ------------------------------------------------------------------------- */
2812/* 2937/*
2813 * Mark or select text based upon number of clicks: 1, 2, or 3 2938 * Mark or select text based upon number of clicks: 1, 2, or 3
2814 * EXT: button 1 press 2939 * EXT: button 1 press
2815 */ 2940 */
2816void 2941void ecb_cold
2817rxvt_term::selection_click (int clicks, int x, int y) 2942rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
2818{ 2943{
2819 D_SELECT((stderr, "rxvt_selection_click(%d, %d, %d)", clicks, x, y));
2820
2821 clicks = ((clicks - 1) % 3) + 1; 2944 clicks = ((clicks - 1) % 3) + 1;
2822 selection.clicks = clicks; /* save clicks so extend will work */ 2945 selection.clicks = clicks; /* save clicks so extend will work */
2823 2946
2947 if (clicks == 2 && !selection.rect
2948 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
2949 {
2950 MEvent.clicks = 1; // what a mess
2951 selection.screen = current_screen;
2952 selection.op = SELECTION_CONT;
2953 return;
2954 }
2955
2824 rxvt_selection_start_colrow (this, Pixel2Col(x), Pixel2Row(y)); 2956 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2825 2957
2826 if (clicks == 2 || clicks == 3) 2958 if (clicks == 2 || clicks == 3)
2827 rxvt_selection_extend_colrow (this, selection.mark.col, 2959 selection_extend_colrow (selection.mark.col,
2828 selection.mark.row + TermWin.view_start, 2960 selection.mark.row - view_start,
2829 0, /* button 3 */ 2961 0, /* button 3 */
2830 1, /* button press */ 2962 1, /* button press */
2831 0); /* click change */ 2963 0); /* click change */
2832} 2964}
2833 2965
2834/* ------------------------------------------------------------------------- */ 2966/* ------------------------------------------------------------------------- */
2835/* 2967/*
2836 * Mark a selection at the specified col/row 2968 * Mark a selection at the specified col/row
2837 */ 2969 */
2838/* INTPROTO */ 2970void ecb_cold
2839void
2840rxvt_selection_start_colrow(pR_ int col, int row) 2971rxvt_term::selection_start_colrow (int col, int row) NOTHROW
2841{ 2972{
2842 R->want_refresh = 1; 2973 want_refresh = 1;
2974
2975 selection.mark.row = row + view_start;
2843 R->selection.mark.col = col; 2976 selection.mark.col = col;
2844 R->selection.mark.row = row - R->TermWin.view_start; 2977
2845 MAX_IT(R->selection.mark.row, -(int32_t)R->TermWin.nscrolled); 2978 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
2846 MIN_IT(R->selection.mark.row, (int32_t)R->TermWin.nrow - 1); 2979 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
2980
2981 while (selection.mark.col > 0
2982 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
2847 MAX_IT(R->selection.mark.col, 0); 2983 --selection.mark.col;
2848 MIN_IT(R->selection.mark.col, (int32_t)R->TermWin.ncol - 1);
2849 2984
2850 if (R->selection.op) { /* clear the old selection */ 2985 if (selection.op)
2986 {
2987 /* clear the old selection */
2851 R->selection.beg.row = R->selection.end.row = R->selection.mark.row; 2988 selection.beg.row = selection.end.row = selection.mark.row;
2852 R->selection.beg.col = R->selection.end.col = R->selection.mark.col; 2989 selection.beg.col = selection.end.col = selection.mark.col;
2853 } 2990 }
2991
2854 R->selection.op = SELECTION_INIT; 2992 selection.op = SELECTION_INIT;
2855 R->selection.screen = R->current_screen; 2993 selection.screen = current_screen;
2856} 2994}
2857 2995
2858/* ------------------------------------------------------------------------- */ 2996/* ------------------------------------------------------------------------- */
2859/* 2997/*
2860 * Word select: select text for 2 clicks 2998 * Word select: select text for 2 clicks
2861 * We now only find out the boundary in one direction 2999 * We now only find out the boundary in one direction
2862 */ 3000 */
2863 3001
2864/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3002/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
2865#define DELIMIT_TEXT(x) \ 3003#define DELIMIT_TEXT(x) \
2866 (((x) == ' ' || (x) == '\t') ? 2 : (STRCHR(R->rs[Rs_cutchars], (x)) != NULL)) 3004 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
2867#define DELIMIT_REND(x) 1 3005#define DELIMIT_REND(x) 1
2868 3006
2869/* INTPROTO */ 3007void ecb_cold
2870void
2871rxvt_selection_delimit_word(pR_ enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3008rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
2872{ 3009{
2873 int col, row, dirnadd, tcol, trow, w1, w2; 3010 int col, row, dirnadd, tcol, trow, w1, w2;
2874 row_col_t bound; 3011 row_col_t bound;
2875 text_t *stp; 3012 text_t *stp;
2876 rend_t *srp; 3013 rend_t *srp;
2877 3014
2878 if (dirn == UP) { 3015 if (dirn == UP)
2879 bound.row = R->TermWin.saveLines - R->TermWin.nscrolled - 1; 3016 {
3017 bound.row = top_row - 1;
2880 bound.col = 0; 3018 bound.col = 0;
2881 dirnadd = -1; 3019 dirnadd = -1;
2882 } else { 3020 }
2883 bound.row = R->TermWin.saveLines + R->TermWin.nrow; 3021 else
3022 {
3023 bound.row = nrow;
2884 bound.col = R->TermWin.ncol - 1; 3024 bound.col = ncol - 1;
2885 dirnadd = 1; 3025 dirnadd = 1;
2886 } 3026 }
2887 row = mark->row + R->TermWin.saveLines; 3027
3028 row = mark->row;
2888 col = mark->col; 3029 col = max (mark->col, 0);
2889 MAX_IT(col, 0); 3030
2890/* find the edge of a word */ 3031 /* find the edge of a word */
2891 stp = &(R->screen.text[row][col]); 3032 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
2892 w1 = DELIMIT_TEXT(*stp); 3033 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
2893 3034
2894 if (R->selection_style != NEW_SELECT) { 3035 for (;;)
2895 if (w1 == 1) { 3036 {
3037 for (; col != bound.col; col += dirnadd)
3038 {
2896 stp += dirnadd; 3039 stp += dirnadd;
2897 if (DELIMIT_TEXT(*stp) == 1)
2898 goto Old_Word_Selection_You_Die;
2899 col += dirnadd;
2900 }
2901 w1 = 0;
2902 }
2903 srp = (&R->screen.rend[row][col]);
2904 w2 = DELIMIT_REND(*srp);
2905
2906 for (;;) {
2907 for (; col != bound.col; col += dirnadd) {
2908 stp += dirnadd; 3040 srp += dirnadd;
3041
3042 if (*stp == NOCHAR)
3043 continue;
3044
2909 if (DELIMIT_TEXT(*stp) != w1) 3045 if (DELIMIT_TEXT (*stp) != w1)
3046 break;
3047 if (DELIMIT_REND (*srp) != w2)
3048 break;
3049 }
3050
3051 if ((col == bound.col) && (row != bound.row))
3052 {
3053 if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ())
3054 {
3055 trow = row + dirnadd;
3056 tcol = dirn == UP ? ncol - 1 : 0;
3057
3058 if (!ROW(trow).t)
2910 break; 3059 break;
2911 srp += dirnadd; 3060
2912 if (DELIMIT_REND(*srp) != w2) 3061 stp = ROW(trow).t + tcol;
3062 srp = ROW(trow).r + tcol;
3063
3064 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
2913 break; 3065 break;
2914 } 3066
2915 if ((col == bound.col) && (row != bound.row)) {
2916 if (R->screen.tlen[(row - (dirn == UP ? 1 : 0))] == -1) {
2917 trow = row + dirnadd;
2918 tcol = dirn == UP ? R->TermWin.ncol - 1 : 0;
2919 if (R->screen.text[trow] == NULL)
2920 break;
2921 stp = &(R->screen.text[trow][tcol]);
2922 srp = &(R->screen.rend[trow][tcol]);
2923 if (DELIMIT_TEXT(*stp) != w1 || DELIMIT_REND(*srp) != w2)
2924 break;
2925 row = trow; 3067 row = trow;
2926 col = tcol; 3068 col = tcol;
2927 continue; 3069 continue;
2928 } 3070 }
2929 } 3071 }
2930 break; 3072 break;
2931 } 3073 }
2932 Old_Word_Selection_You_Die:
2933 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));
2934 3074
2935 if (dirn == DN) 3075 if (dirn == DN)
2936 col++; /* put us on one past the end */ 3076 col++; /* put us on one past the end */
2937 3077
2938/* Poke the values back in */ 3078 /* Poke the values back in */
2939 ret->row = row - R->TermWin.saveLines; 3079 ret->row = row;
2940 ret->col = col; 3080 ret->col = col;
2941} 3081}
2942 3082
2943/* ------------------------------------------------------------------------- */ 3083/* ------------------------------------------------------------------------- */
2944/* 3084/*
2945 * Extend the selection to the specified x/y pixel location 3085 * Extend the selection to the specified x/y pixel location
2946 * EXT: button 3 press; button 1 or 3 drag 3086 * EXT: button 3 press; button 1 or 3 drag
2947 * flag == 0 ==> button 1 3087 * flag == 0 ==> button 1
2948 * flag == 1 ==> button 3 press 3088 * flag == 1 ==> button 3 press
2949 * flag == 2 ==> button 3 motion 3089 * flag == 2 ==> button 3 motion
2950 */ 3090 */
2951void 3091void ecb_cold
2952rxvt_term::selection_extend (int x, int y, int flag) 3092rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
2953{ 3093{
2954 int col, row; 3094 int col = clamp (Pixel2Col (x), 0, ncol);
3095 int row = clamp (Pixel2Row (y), 0, nrow - 1);
2955 3096
2956 col = Pixel2Col(x);
2957 row = Pixel2Row(y);
2958 MAX_IT(row, 0);
2959 MIN_IT(row, (int)TermWin.nrow - 1);
2960 MAX_IT(col, 0);
2961 MIN_IT(col, (int)TermWin.ncol);
2962
2963#ifndef NO_NEW_SELECTION
2964 /* 3097 /*
2965 * If we're selecting characters (single click) then we must check first 3098 * If we're selecting characters (single click) then we must check first
2966 * if we are at the same place as the original mark. If we are then 3099 * if we are at the same place as the original mark. If we are then
2967 * select nothing. Otherwise, if we're to the right of the mark, you have to 3100 * select nothing. Otherwise, if we're to the right of the mark, you have to
2968 * be _past_ a character for it to be selected. 3101 * be _past_ a character for it to be selected.
2969 */ 3102 */
2970 if (selection_style != OLD_SELECT)
2971 {
2972 if (((selection.clicks % 3) == 1) && !flag 3103 if (((selection.clicks % 3) == 1) && !flag
2973 && (col == selection.mark.col 3104 && (col == selection.mark.col
2974 && (row == selection.mark.row + TermWin.view_start))) 3105 && (row == selection.mark.row - view_start)))
2975 { 3106 {
2976 /* select nothing */ 3107 /* select nothing */
2977 selection.beg.row = selection.end.row = 0; 3108 selection.beg.row = selection.end.row = 0;
2978 selection.beg.col = selection.end.col = 0; 3109 selection.beg.col = selection.end.col = 0;
2979 selection.clicks = 4; 3110 selection.clicks = 4;
2980 want_refresh = 1; 3111 want_refresh = 1;
2981 D_SELECT((stderr, "rxvt_selection_extend() selection.clicks = 4"));
2982 return; 3112 return;
2983 }
2984 } 3113 }
2985#endif 3114
2986 if (selection.clicks == 4) 3115 if (selection.clicks == 4)
2987 selection.clicks = 1; 3116 selection.clicks = 1;
2988 3117
2989 rxvt_selection_extend_colrow (this, col, row, !!flag, /* ? button 3 */ 3118 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
2990 flag == 1 ? 1 : 0, /* ? button press */ 3119 flag == 1 ? 1 : 0, /* ? button press */
2991 0); /* no click change */ 3120 0); /* no click change */
2992} 3121}
2993 3122
2994/* ------------------------------------------------------------------------- */ 3123/* ------------------------------------------------------------------------- */
2995/* 3124/*
2996 * Extend the selection to the specified col/row 3125 * Extend the selection to the specified col/row
2997 */ 3126 */
2998/* INTPROTO */ 3127void ecb_cold
2999void
3000rxvt_selection_extend_colrow(pR_ int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3128rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
3001{ 3129{
3002 int16_t ncol = R->TermWin.ncol;
3003 int end_col;
3004 row_col_t pos; 3130 row_col_t pos;
3005 enum { 3131 enum {
3006 LEFT, RIGHT 3132 LEFT, RIGHT
3007 } closeto = RIGHT; 3133 } closeto = RIGHT;
3008 3134
3009 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));
3010 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));
3011
3012 R->want_refresh = 1; 3135 want_refresh = 1;
3136
3013 switch (R->selection.op) { 3137 switch (selection.op)
3138 {
3014 case SELECTION_INIT: 3139 case SELECTION_INIT:
3015 CLEAR_SELECTION(R); 3140 CLEAR_SELECTION ();
3016 R->selection.op = SELECTION_BEGIN; 3141 selection.op = SELECTION_BEGIN;
3017 /* FALLTHROUGH */ 3142 /* FALLTHROUGH */
3018 case SELECTION_BEGIN: 3143 case SELECTION_BEGIN:
3019 if (row != R->selection.mark.row || col != R->selection.mark.col 3144 if (row != selection.mark.row || col != selection.mark.col
3020 || (!button3 && buttonpress)) 3145 || (!button3 && buttonpress))
3021 R->selection.op = SELECTION_CONT; 3146 selection.op = SELECTION_CONT;
3022 break; 3147 break;
3023 case SELECTION_DONE: 3148 case SELECTION_DONE:
3024 R->selection.op = SELECTION_CONT; 3149 selection.op = SELECTION_CONT;
3025 /* FALLTHROUGH */ 3150 /* FALLTHROUGH */
3026 case SELECTION_CONT: 3151 case SELECTION_CONT:
3027 break; 3152 break;
3028 case SELECTION_CLEAR: 3153 case SELECTION_CLEAR:
3029 rxvt_selection_start_colrow(aR_ col, row); 3154 selection_start_colrow (col, row);
3030 /* FALLTHROUGH */ 3155 /* FALLTHROUGH */
3031 default: 3156 default:
3032 return; 3157 return;
3033 } 3158 }
3159
3034 if (R->selection.beg.col == R->selection.end.col 3160 if (selection.beg.col == selection.end.col
3035 && R->selection.beg.col != R->selection.mark.col 3161 && selection.beg.col != selection.mark.col
3036 && R->selection.beg.row == R->selection.end.row 3162 && selection.beg.row == selection.end.row
3037 && R->selection.beg.row != R->selection.mark.row) { 3163 && selection.beg.row != selection.mark.row)
3164 {
3038 R->selection.beg.col = R->selection.end.col = R->selection.mark.col; 3165 selection.beg.col = selection.end.col = selection.mark.col;
3039 R->selection.beg.row = R->selection.end.row = R->selection.mark.row; 3166 selection.beg.row = selection.end.row = selection.mark.row;
3040 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));
3041 } 3167 }
3042 3168
3043 pos.col = col; 3169 pos.col = col;
3044 pos.row = row; 3170 pos.row = view_start + row;
3045 3171
3046 pos.row -= R->TermWin.view_start; /* adjust for scroll */ 3172 /*
3047 3173 * This is mainly xterm style selection with a couple of differences, mainly
3048#ifndef NO_OLD_SELECTION 3174 * in the way button3 drag extension works.
3049/* 3175 * We're either doing: button1 drag; button3 press; or button3 drag
3050 * This mimics some of the selection behaviour of version 2.20 and before. 3176 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3051 * There are no ``selection modes'', button3 is always character extension. 3177 * is always at the left/right edge of the selection.
3052 * Note: button3 drag is always available, c.f. v2.20 3178 * b) button3 press: extend/contract character/word/line at whichever edge of
3053 * Selection always terminates (left or right as appropriate) at the mark. 3179 * the selection we are closest to.
3180 * c) button3 drag : extend/contract character/word/line - we select around
3181 * a point/word/line which is either the start or end of the selection
3182 * and it was decided by whichever point/word/line was `fixed' at the
3183 * time of the most recent button3 press
3054 */ 3184 */
3055 if (R->selection_style == OLD_SELECT) { 3185 if (button3 && buttonpress)
3056 if (R->selection.clicks == 1 || button3) { 3186 {
3057 if (R->hate_those_clicks) { 3187 /* button3 press */
3058 R->hate_those_clicks = 0; 3188 /*
3059 if (R->selection.clicks == 1) { 3189 * first determine which edge of the selection we are closest to
3060 R->selection.beg.row = R->selection.mark.row; 3190 */
3061 R->selection.beg.col = R->selection.mark.col; 3191 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3062 } else { 3192 || (!ROWCOL_IS_AFTER (pos, selection.end)
3193 && (((pos.col - selection.beg.col)
3194 + ((pos.row - selection.beg.row) * ncol))
3195 < ((selection.end.col - pos.col)
3196 + ((selection.end.row - pos.row) * ncol)))))
3197 closeto = LEFT;
3198
3199 if (closeto == LEFT)
3200 {
3201 selection.beg.row = pos.row;
3202 selection.beg.col = pos.col;
3203 selection.mark.row = selection.end.row;
3204 selection.mark.col = selection.end.col - (selection.clicks == 2);
3205 }
3206 else
3207 {
3208 selection.end.row = pos.row;
3209 selection.end.col = pos.col;
3063 R->selection.mark.row = R->selection.beg.row; 3210 selection.mark.row = selection.beg.row;
3064 R->selection.mark.col = R->selection.beg.col; 3211 selection.mark.col = selection.beg.col;
3212 }
3213 }
3214 else
3215 {
3216 /* button1 drag or button3 drag */
3217 if (ROWCOL_IS_AFTER (selection.mark, pos))
3218 {
3219 if (selection.mark.row == selection.end.row
3220 && selection.mark.col == selection.end.col
3221 && clickchange
3222 && selection.clicks == 2)
3223 selection.mark.col--;
3224
3225 selection.beg.row = pos.row;
3226 selection.beg.col = pos.col;
3227 selection.end.row = selection.mark.row;
3228 selection.end.col = selection.mark.col + (selection.clicks == 2);
3229 }
3230 else
3231 {
3232 selection.beg.row = selection.mark.row;
3233 selection.beg.col = selection.mark.col;
3234 selection.end.row = pos.row;
3235 selection.end.col = pos.col;
3236 }
3237 }
3238
3239 if (selection.clicks == 1)
3240 {
3241 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3242 && !ROW(selection.beg.row).is_longer ()
3243#if !ENABLE_MINIMAL
3244 && !selection.rect
3245#endif
3246 )
3247 selection.beg.col = ncol;
3248
3249 if (
3250 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN
3251 && !ROW(selection.end.row).is_longer ()
3252#if !ENABLE_MINIMAL
3253 && !selection.rect
3254#endif
3255 )
3256 selection.end.col = ncol;
3257 }
3258 else if (selection.clicks == 2)
3259 {
3260 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3261 selection.end.col--;
3262
3263 selection_delimit_word (UP, &selection.beg, &selection.beg);
3264 selection_delimit_word (DN, &selection.end, &selection.end);
3265 }
3266 else if (selection.clicks == 3)
3267 {
3268#if ENABLE_FRILLS
3269 if (option (Opt_tripleclickwords))
3270 {
3271 selection_delimit_word (UP, &selection.beg, &selection.beg);
3272
3273 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3274 {
3275 if (!ROW(end_row).is_longer ())
3276 {
3277 selection.end.row = end_row;
3278 selection.end.col = ROW(end_row).l;
3279# if !ENABLE_MINIMAL
3280 selection_remove_trailing_spaces ();
3281# endif
3282 break;
3065 } 3283 }
3066 } 3284 }
3067 if (ROWCOL_IS_BEFORE(pos, R->selection.mark)) {
3068 R->selection.end.row = R->selection.mark.row;
3069 R->selection.end.col = R->selection.mark.col + 1;
3070 R->selection.beg.row = pos.row;
3071 R->selection.beg.col = pos.col;
3072 } else {
3073 R->selection.beg.row = R->selection.mark.row;
3074 R->selection.beg.col = R->selection.mark.col;
3075 R->selection.end.row = pos.row;
3076 R->selection.end.col = pos.col + 1;
3077 } 3285 }
3078 } else if (R->selection.clicks == 2) { 3286 else
3079 rxvt_selection_delimit_word(aR_ UP, &(R->selection.mark), 3287#endif
3080 &(R->selection.beg)); 3288 {
3081 rxvt_selection_delimit_word(aR_ DN, &(R->selection.mark), 3289 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3082 &(R->selection.end)); 3290 selection.mark.col++;
3083 R->hate_those_clicks = 1; 3291
3084 } else if (R->selection.clicks == 3) {
3085 R->selection.beg.row = R->selection.end.row = R->selection.mark.row;
3086 R->selection.beg.col = 0; 3292 selection.beg.col = 0;
3087 R->selection.end.col = ncol; 3293 selection.end.col = ncol;
3088 R->hate_those_clicks = 1; 3294
3089 } 3295 // select a complete logical line
3090 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)); 3296 while (selection.beg.row > -saveLines
3091 return; 3297 && ROW(selection.beg.row - 1).is_longer ())
3092 } 3298 selection.beg.row--;
3093#endif /* ! NO_OLD_SELECTION */ 3299
3094#ifndef NO_NEW_SELECTION 3300 while (selection.end.row < nrow
3095/* selection_style must not be OLD_SELECT to get here */ 3301 && ROW(selection.end.row).is_longer ())
3096/* 3302 selection.end.row++;
3097 * This is mainly xterm style selection with a couple of differences, mainly
3098 * in the way button3 drag extension works.
3099 * We're either doing: button1 drag; button3 press; or button3 drag
3100 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3101 * is always at the left/right edge of the R->selection.
3102 * b) button3 press: extend/contract character/word/line at whichever edge of
3103 * the selection we are closest to.
3104 * c) button3 drag : extend/contract character/word/line - we select around
3105 * a point/word/line which is either the start or end of the selection
3106 * and it was decided by whichever point/word/line was `fixed' at the
3107 * time of the most recent button3 press
3108 */
3109 if (button3 && buttonpress) { /* button3 press */
3110 /* 3303 }
3111 * first determine which edge of the selection we are closest to 3304 }
3112 */ 3305
3113 if (ROWCOL_IS_BEFORE(pos, R->selection.beg) 3306 if (button3 && buttonpress)
3114 || (!ROWCOL_IS_AFTER(pos, R->selection.end) 3307 {
3115 && (((pos.col - R->selection.beg.col) 3308 /* mark may need to be changed */
3116 + ((pos.row - R->selection.beg.row) * ncol))
3117 < ((R->selection.end.col - pos.col)
3118 + ((R->selection.end.row - pos.row) * ncol)))))
3119 closeto = LEFT;
3120 if (closeto == LEFT) { 3309 if (closeto == LEFT)
3121 R->selection.beg.row = pos.row; 3310 {
3122 R->selection.beg.col = pos.col;
3123 R->selection.mark.row = R->selection.end.row; 3311 selection.mark.row = selection.end.row;
3124 R->selection.mark.col = R->selection.end.col 3312 selection.mark.col = selection.end.col - (selection.clicks == 2);
3125 - (R->selection.clicks == 2); 3313 }
3126 } else { 3314 else
3127 R->selection.end.row = pos.row; 3315 {
3128 R->selection.end.col = pos.col;
3129 R->selection.mark.row = R->selection.beg.row; 3316 selection.mark.row = selection.beg.row;
3130 R->selection.mark.col = R->selection.beg.col; 3317 selection.mark.col = selection.beg.col;
3131 }
3132 } else { /* button1 drag or button3 drag */
3133 if (ROWCOL_IS_AFTER(R->selection.mark, pos)) {
3134 if ((R->selection.mark.row == R->selection.end.row)
3135 && (R->selection.mark.col == R->selection.end.col)
3136 && clickchange && R->selection.clicks == 2)
3137 R->selection.mark.col--;
3138 R->selection.beg.row = pos.row;
3139 R->selection.beg.col = pos.col;
3140 R->selection.end.row = R->selection.mark.row;
3141 R->selection.end.col = R->selection.mark.col
3142 + (R->selection.clicks == 2);
3143 } else {
3144 R->selection.beg.row = R->selection.mark.row;
3145 R->selection.beg.col = R->selection.mark.col;
3146 R->selection.end.row = pos.row;
3147 R->selection.end.col = pos.col;
3148 }
3149 }
3150
3151 if (R->selection.clicks == 1) {
3152 end_col = R->screen.tlen[R->selection.beg.row + R->TermWin.saveLines];
3153 if (end_col != -1 && R->selection.beg.col > end_col) {
3154#if 1
3155 R->selection.beg.col = ncol;
3156#else
3157 if (R->selection.beg.row != R->selection.end.row)
3158 R->selection.beg.col = ncol;
3159 else
3160 R->selection.beg.col = R->selection.mark.col;
3161#endif
3162 }
3163 end_col = R->screen.tlen[R->selection.end.row + R->TermWin.saveLines];
3164 if (end_col != -1 && R->selection.end.col > end_col)
3165 R->selection.end.col = ncol;
3166
3167 } else if (R->selection.clicks == 2) {
3168 if (ROWCOL_IS_AFTER(R->selection.end, R->selection.beg))
3169 R->selection.end.col--;
3170 rxvt_selection_delimit_word(aR_ UP, &(R->selection.beg),
3171 &(R->selection.beg));
3172 rxvt_selection_delimit_word(aR_ DN, &(R->selection.end),
3173 &(R->selection.end));
3174 } else if (R->selection.clicks == 3) {
3175#ifndef NO_FRILLS
3176 if ((R->Options & Opt_tripleclickwords)) {
3177 int end_row;
3178
3179 rxvt_selection_delimit_word(aR_ UP, &(R->selection.beg),
3180 &(R->selection.beg));
3181 end_row = R->screen.tlen[R->selection.mark.row
3182 + R->TermWin.saveLines];
3183 for (end_row = R->selection.mark.row; end_row < R->TermWin.nrow;
3184 end_row++) {
3185 end_col = R->screen.tlen[end_row + R->TermWin.saveLines];
3186 if (end_col != -1) {
3187 R->selection.end.row = end_row;
3188 R->selection.end.col = end_col;
3189 rxvt_selection_remove_trailing_spaces(aR);
3190 break;
3191 }
3192 }
3193 } else
3194#endif
3195 { 3318 }
3196 if (ROWCOL_IS_AFTER(R->selection.mark, R->selection.beg))
3197 R->selection.mark.col++;
3198 R->selection.beg.col = 0;
3199 R->selection.end.col = ncol;
3200 }
3201 } 3319 }
3202 if (button3 && buttonpress) { /* mark may need to be changed */
3203 if (closeto == LEFT) {
3204 R->selection.mark.row = R->selection.end.row;
3205 R->selection.mark.col = R->selection.end.col
3206 - (R->selection.clicks == 2);
3207 } else {
3208 R->selection.mark.row = R->selection.beg.row;
3209 R->selection.mark.col = R->selection.beg.col;
3210 }
3211 }
3212 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));
3213#endif /* ! NO_NEW_SELECTION */
3214}
3215 3320
3216#ifndef NO_FRILLS 3321#if !ENABLE_MINIMAL
3217/* INTPROTO */ 3322 if (selection.rect && selection.beg.col > selection.end.col)
3218void 3323 ::swap (selection.beg.col, selection.end.col);
3324#endif
3325}
3326
3327#if !ENABLE_MINIMAL
3328void ecb_cold
3219rxvt_selection_remove_trailing_spaces(pR) 3329rxvt_term::selection_remove_trailing_spaces () NOTHROW
3220{ 3330{
3221 int32_t end_col, end_row; 3331 int32_t end_col, end_row;
3222 text_t *stp; 3332 text_t *stp;
3223 3333
3224 end_col = R->selection.end.col; 3334 end_col = selection.end.col;
3225 end_row = R->selection.end.row; 3335 end_row = selection.end.row;
3336
3226 for ( ; end_row >= R->selection.beg.row; ) { 3337 for (; end_row >= selection.beg.row; )
3227 stp = R->screen.text[end_row + R->TermWin.saveLines]; 3338 {
3339 stp = ROW(end_row).t;
3340
3228 while (--end_col >= 0) { 3341 while (--end_col >= 0)
3229 if (stp[end_col] != ' ' && stp[end_col] != '\t')
3230 break;
3231 } 3342 {
3232 if (end_col >= 0 3343 if (stp[end_col] != NOCHAR
3233 || R->screen.tlen[end_row - 1 + R->TermWin.saveLines] != -1) { 3344 && !unicode::is_space (stp[end_col]))
3234 R->selection.end.col = end_col + 1;
3235 R->selection.end.row = end_row;
3236 break; 3345 break;
3237 } 3346 }
3347
3348 if (end_col >= 0
3349 || !ROW(end_row - 1).is_longer ())
3350 {
3351 selection.end.col = end_col + 1;
3352 selection.end.row = end_row;
3353 break;
3354 }
3355
3238 end_row--; 3356 end_row--;
3239 end_col = R->TermWin.ncol; 3357 end_col = ncol;
3240 } 3358 }
3359
3241 if (R->selection.mark.row > R->selection.end.row) { 3360 if (selection.mark.row > selection.end.row)
3361 {
3242 R->selection.mark.row = R->selection.end.row; 3362 selection.mark.row = selection.end.row;
3243 R->selection.mark.col = R->selection.end.col; 3363 selection.mark.col = selection.end.col;
3364 }
3244 } else if (R->selection.mark.row == R->selection.end.row 3365 else if (selection.mark.row == selection.end.row
3245 && R->selection.mark.col > R->selection.end.col) 3366 && selection.mark.col > selection.end.col)
3246 R->selection.mark.col = R->selection.end.col; 3367 selection.mark.col = selection.end.col;
3247} 3368}
3248#endif 3369#endif
3249 3370
3250/* ------------------------------------------------------------------------- */ 3371/* ------------------------------------------------------------------------- */
3251/* 3372/*
3252 * Double click on button 3 when already selected 3373 * Double click on button 3 when already selected
3253 * EXT: button 3 double click 3374 * EXT: button 3 double click
3254 */ 3375 */
3255void 3376void ecb_cold
3256rxvt_term::selection_rotate (int x, int y) 3377rxvt_term::selection_rotate (int x, int y) NOTHROW
3257{ 3378{
3258 selection.clicks = selection.clicks % 3 + 1; 3379 selection.clicks = selection.clicks % 3 + 1;
3259 rxvt_selection_extend_colrow (this, Pixel2Col(x), Pixel2Row(y), 1, 0, 1); 3380 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3260} 3381}
3261
3262/* ------------------------------------------------------------------------- */
3263/*
3264 * On some systems, the Atom typedef is 64 bits wide. We need to have a type
3265 * that is exactly 32 bits wide, because a format of 64 is not allowed by
3266 * the X11 protocol.
3267 */
3268typedef CARD32 Atom32;
3269 3382
3270/* ------------------------------------------------------------------------- */ 3383/* ------------------------------------------------------------------------- */
3271/* 3384/*
3272 * Respond to a request for our current selection 3385 * Respond to a request for our current selection
3273 * EXT: SelectionRequest 3386 * EXT: SelectionRequest
3274 */ 3387 */
3275/* EXTPROTO */ 3388void ecb_cold
3276void
3277rxvt_selection_send(pR_ const XSelectionRequestEvent *rq) 3389rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3278{ 3390{
3391 Atom property = rq.property == None ? rq.target : rq.property;
3279 XSelectionEvent ev; 3392 XSelectionEvent ev;
3280#ifdef USE_XIM 3393
3394 ev.type = SelectionNotify;
3395 ev.property = None;
3396 ev.display = rq.display;
3397 ev.requestor = rq.requestor;
3398 ev.selection = rq.selection;
3399 ev.target = rq.target;
3400 ev.time = rq.time;
3401
3402 if (rq.target == xa[XA_TARGETS])
3403 {
3281 Atom32 target_list[4]; 3404 Atom target_list[6];
3405 Atom *target = target_list;
3406
3407 *target++ = xa[XA_TARGETS];
3408 *target++ = xa[XA_TIMESTAMP];
3409 *target++ = XA_STRING;
3410 *target++ = xa[XA_TEXT];
3411 *target++ = xa[XA_COMPOUND_TEXT];
3412#if X_HAVE_UTF8_STRING
3413 *target++ = xa[XA_UTF8_STRING];
3414#endif
3415
3416 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3417 32, PropModeReplace,
3418 (unsigned char *)target_list, target - target_list);
3419 ev.property = property;
3420 }
3421#if TODO // TODO
3422 else if (rq.target == xa[XA_MULTIPLE])
3423 {
3424 /* TODO: Handle MULTIPLE */
3425 }
3426#endif
3427 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3428 {
3429 XChangeProperty (dpy, rq.requestor, property, rq.target,
3430 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3431 ev.property = property;
3432 }
3433 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3434 {
3435 XChangeProperty (dpy, rq.requestor, property, rq.target,
3436 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3437 ev.property = property;
3438 }
3439 else if (rq.target == XA_STRING
3440 || rq.target == xa[XA_TEXT]
3441 || rq.target == xa[XA_COMPOUND_TEXT]
3442 || rq.target == xa[XA_UTF8_STRING]
3443 )
3444 {
3445 XTextProperty ct;
3446 Atom target = rq.target;
3447 short freect = 0;
3448 int selectlen;
3449 wchar_t *cl;
3450 enum {
3451 enc_string = XStringStyle,
3452 enc_text = XStdICCTextStyle,
3453 enc_compound_text = XCompoundTextStyle,
3454#ifdef X_HAVE_UTF8_STRING
3455 enc_utf8 = XUTF8StringStyle,
3282#else 3456#else
3283 Atom32 target_list[3]; 3457 enc_utf8 = -1,
3284#endif 3458#endif
3285 Atom target; 3459 } style;
3286 XTextProperty ct;
3287 XICCEncodingStyle style;
3288 char *cl[2], dummy[1];
3289 3460
3290 ev.type = SelectionNotify;
3291 ev.property = None;
3292 ev.display = rq->display;
3293 ev.requestor = rq->requestor;
3294 ev.selection = rq->selection;
3295 ev.target = rq->target;
3296 ev.time = rq->time;
3297
3298 if (rq->target == R->xa[XA_TARGETS]) {
3299 target_list[0] = (Atom32) R->xa[XA_TARGETS];
3300 target_list[1] = (Atom32) XA_STRING;
3301 target_list[2] = (Atom32) R->xa[XA_TEXT];
3302#ifdef USE_XIM
3303 target_list[3] = (Atom32) R->xa[XA_COMPOUND_TEXT];
3304#endif
3305 XChangeProperty(R->Xdisplay, rq->requestor, rq->property, XA_ATOM,
3306 (8 * sizeof(target_list[0])), PropModeReplace,
3307 (unsigned char *)target_list,
3308 (sizeof(target_list) / sizeof(target_list[0])));
3309 ev.property = rq->property;
3310 } else if (rq->target == R->xa[XA_MULTIPLE]) {
3311 /* TODO: Handle MULTIPLE */
3312 } else if (rq->target == R->xa[XA_TIMESTAMP] && R->selection.text) {
3313 XChangeProperty(R->Xdisplay, rq->requestor, rq->property, XA_INTEGER,
3314 (8 * sizeof(Time)), PropModeReplace,
3315 (unsigned char *)&R->selection_time, 1);
3316 ev.property = rq->property;
3317 } else if (rq->target == XA_STRING
3318 || rq->target == R->xa[XA_COMPOUND_TEXT]
3319 || rq->target == R->xa[XA_TEXT]) {
3320#ifdef USE_XIM
3321 short freect = 0;
3322#endif
3323 int selectlen;
3324
3325#ifdef USE_XIM
3326 if (rq->target != XA_STRING) { 3461 if (target == XA_STRING)
3462 // we actually don't do XA_STRING, but who cares, as i18n clients
3463 // will ask for another format anyways.
3464 style = enc_string;
3465 else if (target == xa[XA_TEXT])
3466 style = enc_text;
3467 else if (target == xa[XA_COMPOUND_TEXT])
3468 style = enc_compound_text;
3469#if !ENABLE_MINIMAL
3470 else if (target == xa[XA_UTF8_STRING])
3471 style = enc_utf8;
3472#endif
3473 else
3474 {
3327 target = R->xa[XA_COMPOUND_TEXT]; 3475 target = xa[XA_COMPOUND_TEXT];
3328 style = (rq->target == R->xa[XA_COMPOUND_TEXT]) 3476 style = enc_compound_text;
3329 ? XCompoundTextStyle : XStdICCTextStyle;
3330 } else
3331#endif
3332 { 3477 }
3333 target = XA_STRING; 3478
3334 style = XStringStyle; 3479 if (rq.selection == XA_PRIMARY && selection.text)
3335 } 3480 {
3336 if (R->selection.text) {
3337 cl[0] = (char *)R->selection.text; 3481 cl = selection.text;
3338 selectlen = R->selection.len; 3482 selectlen = selection.len;
3483 }
3484 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3485 {
3486 cl = selection.clip_text;
3487 selectlen = selection.clip_len;
3488 }
3339 } else { 3489 else
3340 cl[0] = dummy; 3490 {
3341 *dummy = '\0'; 3491 cl = L"";
3342 selectlen = 0; 3492 selectlen = 0;
3493 }
3494
3495#if !ENABLE_MINIMAL
3496 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3497 // so recode it manually
3498 if (style == enc_utf8)
3343 } 3499 {
3344#ifdef USE_XIM
3345 if (XmbTextListToTextProperty(R->Xdisplay, cl, 1, style, &ct)
3346 == Success) /* if we failed to convert then send it raw */
3347 freect = 1; 3500 freect = 1;
3501 ct.encoding = target;
3502 ct.format = 8;
3503 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen);
3504 ct.nitems = strlen ((char *)ct.value);
3505 }
3348 else 3506 else
3349#endif 3507#endif
3508 if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3509 freect = 1;
3510 else
3350 { 3511 {
3512 /* if we failed to convert then send it raw */
3351 ct.value = (unsigned char *)cl[0]; 3513 ct.value = (unsigned char *)cl;
3352 ct.nitems = selectlen; 3514 ct.nitems = selectlen;
3515 ct.encoding = target;
3353 } 3516 }
3517
3354 XChangeProperty(R->Xdisplay, rq->requestor, rq->property, 3518 XChangeProperty (dpy, rq.requestor, property,
3355 target, 8, PropModeReplace, 3519 ct.encoding, 8, PropModeReplace,
3356 ct.value, (int)ct.nitems); 3520 ct.value, (int)ct.nitems);
3357 ev.property = rq->property; 3521 ev.property = property;
3358#ifdef USE_XIM 3522
3359 if (freect) 3523 if (freect)
3360 XFree(ct.value); 3524 XFree (ct.value);
3361#endif
3362 } 3525 }
3526
3363 XSendEvent(R->Xdisplay, rq->requestor, False, 0L, (XEvent *)&ev); 3527 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3364} 3528}
3365 3529
3366/* ------------------------------------------------------------------------- * 3530/* ------------------------------------------------------------------------- */
3367 * MOUSE ROUTINES *
3368 * ------------------------------------------------------------------------- */
3369
3370/*
3371 * return col/row values corresponding to x/y pixel values
3372 */
3373void
3374rxvt_term::pixel_position (int *x, int *y)
3375{
3376 *x = Pixel2Col(*x);
3377 /* MAX_IT(*x, 0); MIN_IT(*x, (int)R->TermWin.ncol - 1); */
3378 *y = Pixel2Row(*y);
3379 /* MAX_IT(*y, 0); MIN_IT(*y, (int)R->TermWin.nrow - 1); */
3380}
3381
3382/* ------------------------------------------------------------------------- */
3383#ifdef USE_XIM 3531#if USE_XIM
3384void 3532void ecb_cold
3385rxvt_term::set_position (XPoint *pos) 3533rxvt_term::im_set_position (XPoint &pos) NOTHROW
3386{ 3534{
3387 XWindowAttributes xwa; 3535 XWindowAttributes xwa;
3388 3536
3389 XGetWindowAttributes (Xdisplay, TermWin.vt, &xwa); 3537 XGetWindowAttributes (dpy, vt, &xwa);
3538
3390 pos->x = Col2Pixel (screen.cur.col) + xwa.x; 3539 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3391 pos->y = Height2Pixel ((screen.cur.row + 1)) + xwa.y - TermWin.lineSpace; 3540 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3392} 3541}
3393
3394#endif 3542#endif
3395/* ------------------------------------------------------------------------- */ 3543
3396 3544#if ENABLE_OVERLAY
3545void
3546rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW
3547{
3548 if (nrow < 1 || ncol < 1)
3549 return;
3550
3551 want_refresh = 1;
3552
3553 scr_overlay_off ();
3554
3555 if (x < 0) x = ncol - w;
3556 if (y < 0) y = nrow - h;
3557
3558 // make space for border
3559 w += 2; min_it (w, ncol);
3560 h += 2; min_it (h, nrow);
3561
3562 x -= 1; clamp_it (x, 0, ncol - w);
3563 y -= 1; clamp_it (y, 0, nrow - h);
3564
3565 ov.x = x; ov.y = y;
3566 ov.w = w; ov.h = h;
3567
3568 ov.text = new text_t *[h];
3569 ov.rend = new rend_t *[h];
3570
3571 for (y = 0; y < h; y++)
3572 {
3573 text_t *tp = ov.text[y] = new text_t[w];
3574 rend_t *rp = ov.rend[y] = new rend_t[w];
3575
3576 text_t t0, t1, t2;
3577 rend_t r = OVERLAY_RSTYLE;
3578
3579 if (y == 0)
3580 t0 = 0x2554, t1 = 0x2550, t2 = 0x2557;
3581 else if (y < h - 1)
3582 t0 = 0x2551, t1 = 0x0020, t2 = 0x2551;
3583 else
3584 t0 = 0x255a, t1 = 0x2550, t2 = 0x255d;
3585
3586 *tp++ = t0;
3587 *rp++ = r;
3588
3589 for (x = w - 2; x > 0; --x)
3590 {
3591 *tp++ = t1;
3592 *rp++ = r;
3593 }
3594
3595 *tp = t2;
3596 *rp = r;
3597 }
3598}
3599
3600void
3601rxvt_term::scr_overlay_off () NOTHROW
3602{
3603 if (!ov.text)
3604 return;
3605
3606 want_refresh = 1;
3607
3608 for (int y = 0; y < ov.h; y++)
3609 {
3610 delete [] ov.text[y];
3611 delete [] ov.rend[y];
3612 }
3613
3614 delete [] ov.text; ov.text = 0;
3615 delete [] ov.rend; ov.rend = 0;
3616}
3617
3618void
3619rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3620{
3621 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3622 return;
3623
3624 x++, y++;
3625
3626 ov.text[y][x] = text;
3627 ov.rend[y][x] = rend;
3628}
3629
3630void
3631rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3632{
3633 while (*s)
3634 scr_overlay_set (x++, y, *s++);
3635}
3636
3637void
3638rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW
3639{
3640 while (*s)
3641 {
3642 text_t t = *s++;
3643 int width = WCWIDTH (t);
3644
3645 while (width--)
3646 {
3647 scr_overlay_set (x++, y, t);
3648 t = NOCHAR;
3649 }
3650 }
3651}
3652
3653void
3654rxvt_term::scr_swap_overlay () NOTHROW
3655{
3656 if (!ov.text)
3657 return;
3658
3659 // hide cursor if it is within the overlay area
3660 if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
3661 && IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
3662 screen.flags &= ~Screen_VisibleCursor;
3663
3664 // swap screen mem with overlay
3665 for (int y = ov.h; y--; )
3666 {
3667 text_t *t1 = ov.text[y];
3668 rend_t *r1 = ov.rend[y];
3669
3670 text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3671 rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3672
3673 for (int x = ov.w; x--; )
3674 {
3675 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3676 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3677 }
3678 }
3679}
3680
3681#endif
3397/* ------------------------------------------------------------------------- * 3682/* ------------------------------------------------------------------------- */
3398 * DEBUG ROUTINES *
3399 * ------------------------------------------------------------------------- */
3400#if 0
3401/* INTPROTO */
3402void
3403rxvt_debug_colors(void)
3404{
3405 int color;
3406 const char *name[] = {
3407 "fg", "bg",
3408 "black", "red", "green", "yellow", "blue", "magenta", "cyan", "white"
3409 };
3410 3683
3411 fprintf(stderr, "Color ( ");
3412 if (R->rstyle & RS_RVid)
3413 fprintf(stderr, "rvid ");
3414 if (R->rstyle & RS_Bold)
3415 fprintf(stderr, "bold ");
3416 if (R->rstyle & RS_Blink)
3417 fprintf(stderr, "blink ");
3418 if (R->rstyle & RS_Uline)
3419 fprintf(stderr, "uline ");
3420 fprintf(stderr, "): ");
3421
3422 color = GET_FGCOLOR(R->rstyle);
3423#ifndef NO_BRIGHTCOLOR
3424 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3425 color -= (minBrightCOLOR - minCOLOR);
3426 fprintf(stderr, "bright ");
3427 }
3428#endif
3429 fprintf(stderr, "%s on ", name[color]);
3430
3431 color = GET_BGCOLOR(R->rstyle);
3432#ifndef NO_BRIGHTCOLOR
3433 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3434 color -= (minBrightCOLOR - minCOLOR);
3435 fprintf(stderr, "bright ");
3436 }
3437#endif
3438 fprintf(stderr, "%s\n", name[color]);
3439}
3440#endif

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