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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.7 by pcg, Tue Dec 16 23:04:13 2003 UTC vs.
Revision 1.470 by root, Mon Aug 8 10:09:49 2022 UTC

1/*--------------------------------*-C-*--------------------------------------* 1/*---------------------------------------------------------------------------*
2 * File: screen.c 2 * File: screen.C
3 *---------------------------------------------------------------------------* 3 *---------------------------------------------------------------------------*
4 * $Id: screen.C,v 1.7 2003/12/16 23:04:13 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 * Copyright (c) 2015 Emanuele Giaquinta <e.giaquinta@glauco.it>
7 * 8 *
8 * This program is free software; you can redistribute it and/or modify 9 * 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 10 * 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 11 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version. 12 * (at your option) any later version.
12 * 13 *
13 * This program is distributed in the hope that it will be useful, 14 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
… …
17 * 18 *
18 * You should have received a copy of the GNU General Public License 19 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software 20 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 *--------------------------------------------------------------------------*/ 22 *--------------------------------------------------------------------------*/
23
22/* 24/*
23 * We handle _all_ screen updates and selections 25 * This file handles _all_ screen updates and selections
24 */ 26 */
25 27
26#include "../config.h" /* NECESSARY */ 28#include "../config.h" /* NECESSARY */
27#define INTERN_SCREEN
28#include "rxvt.h" /* NECESSARY */ 29#include "rxvt.h" /* NECESSARY */
29#include "screen.intpro" /* PROTOS for internal routines */ 30#include "rxvtperl.h" /* NECESSARY */
30 31
31#include <X11/Xmd.h> /* get the typedef for CARD32 */
32
33#include <stdint.h> 32#include <inttypes.h>
34#include <wchar.h>
35 33
34static inline void
36inline void fill_text (text_t *start, text_t value, int len) 35fill_text (text_t *start, text_t value, int len)
37{ 36{
38 while (len--) 37 while (len--)
39 *start++ = value; 38 *start++ = value;
40} 39}
41 40
42/* ------------------------------------------------------------------------- */ 41/* ------------------------------------------------------------------------- */
43#define PROP_SIZE 16384
44#define TABSIZE 8 /* default tab size */ 42#define TABSIZE 8 /* default tab size */
45 43
46/* ------------------------------------------------------------------------- * 44/* ------------------------------------------------------------------------- *
47 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 45 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
48 * ------------------------------------------------------------------------- */ 46 * ------------------------------------------------------------------------- */
49#define ZERO_SCROLLBACK(R) \ 47#define ZERO_SCROLLBACK() \
50 if (((R)->Options & Opt_scrollTtyOutput) == Opt_scrollTtyOutput) \ 48 if (option (Opt_scrollTtyOutput)) \
51 (R)->TermWin.view_start = 0 49 view_start = 0
52#define CLEAR_SELECTION(R) \ 50#define CLEAR_SELECTION() \
53 (R)->selection.beg.row = (R)->selection.beg.col \ 51 selection.beg.row = selection.beg.col \
54 = (R)->selection.end.row = (R)->selection.end.col = 0 52 = selection.end.row = selection.end.col = 0
55#define CLEAR_ALL_SELECTION(R) \ 53#define CLEAR_ALL_SELECTION() \
56 (R)->selection.beg.row = (R)->selection.beg.col \ 54 selection.beg.row = selection.beg.col \
57 = (R)->selection.mark.row = (R)->selection.mark.col \ 55 = selection.mark.row = selection.mark.col \
58 = (R)->selection.end.row = (R)->selection.end.col = 0 56 = selection.end.row = selection.end.col = 0
59 57
60#define ROW_AND_COL_IS_AFTER(A, B, C, D) \ 58#define ROW_AND_COL_IS_AFTER(A, B, C, D) \
61 (((A) > (C)) || (((A) == (C)) && ((B) > (D)))) 59 (((A) > (C)) || (((A) == (C)) && ((B) > (D))))
62#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \ 60#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \
63 (((A) < (C)) || (((A) == (C)) && ((B) < (D)))) 61 (((A) < (C)) || (((A) == (C)) && ((B) < (D))))
64#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \ 62#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \
65 (((A) == (C)) && ((B) > (D))) 63 (((A) == (C)) && ((B) > (D)))
66#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \ 64#define ROW_AND_COL_IN_ROW_AT_OR_AFTER(A, B, C, D) \
67 (((A) == (C)) && ((B) >= (D))) 65 (((A) == (C)) && ((B) >= (D)))
68#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \ 66#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \
69 (((A) == (C)) && ((B) < (D))) 67 (((A) == (C)) && ((B) < (D)))
70#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \ 68#define ROW_AND_COL_IN_ROW_AT_OR_BEFORE(A, B, C, D) \
71 (((A) == (C)) && ((B) <= (D))) 69 (((A) == (C)) && ((B) <= (D)))
72 70
73/* these must be row_col_t */ 71/* these must be row_col_t */
74#define ROWCOL_IS_AFTER(X, Y) \ 72#define ROWCOL_IS_AFTER(X, Y) \
75 ROW_AND_COL_IS_AFTER((X).row, (X).col, (Y).row, (Y).col) 73 ROW_AND_COL_IS_AFTER ((X).row, (X).col, (Y).row, (Y).col)
76#define ROWCOL_IS_BEFORE(X, Y) \ 74#define ROWCOL_IS_BEFORE(X, Y) \
77 ROW_AND_COL_IS_BEFORE((X).row, (X).col, (Y).row, (Y).col) 75 ROW_AND_COL_IS_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
78#define ROWCOL_IN_ROW_AFTER(X, Y) \ 76#define ROWCOL_IN_ROW_AFTER(X, Y) \
79 ROW_AND_COL_IN_ROW_AFTER((X).row, (X).col, (Y).row, (Y).col) 77 ROW_AND_COL_IN_ROW_AFTER ((X).row, (X).col, (Y).row, (Y).col)
80#define ROWCOL_IN_ROW_BEFORE(X, Y) \ 78#define ROWCOL_IN_ROW_BEFORE(X, Y) \
81 ROW_AND_COL_IN_ROW_BEFORE((X).row, (X).col, (Y).row, (Y).col) 79 ROW_AND_COL_IN_ROW_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
82#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \ 80#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \
83 ROW_AND_COL_IN_ROW_AT_OR_AFTER((X).row, (X).col, (Y).row, (Y).col) 81 ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col)
84#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \ 82#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \
85 ROW_AND_COL_IN_ROW_AT_OR_BEFORE((X).row, (X).col, (Y).row, (Y).col) 83 ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
86 84
87/* 85/*
88 * CLEAR_ROWS : clear <num> rows starting from row <row>
89 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> 86 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>
90 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour
91 */ 87 */
92#define drawBuffer (R->TermWin.vt)
93
94#define CLEAR_ROWS(row, num) \
95 if (R->TermWin.mapped) \
96 XClearArea(R->Xdisplay, drawBuffer, R->TermWin.int_bwidth, \
97 Row2Pixel(row), (unsigned int)R->TermWin.width, \
98 (unsigned int)Height2Pixel(num), False)
99
100#define CLEAR_CHARS(x, y, num) \ 88#define CLEAR_CHARS(x, y, num) \
101 if (R->TermWin.mapped) \ 89 if (mapped) \
102 XClearArea(R->Xdisplay, drawBuffer, x, y, \ 90 XClearArea (dpy, vt, x, y, \
103 (unsigned int)Width2Pixel(num), \ 91 (unsigned int)Width2Pixel (num), \
104 (unsigned int)Height2Pixel(1), False) 92 (unsigned int)Height2Pixel (1), False)
105
106#define ERASE_ROWS(row, num) \
107 XFillRectangle(R->Xdisplay, drawBuffer, R->TermWin.gc, \
108 R->TermWin.int_bwidth, Row2Pixel(row), \
109 (unsigned int)R->TermWin.width, \
110 (unsigned int)Height2Pixel(num))
111 93
112/* ------------------------------------------------------------------------- * 94/* ------------------------------------------------------------------------- *
113 * SCREEN `COMMON' ROUTINES * 95 * SCREEN `COMMON' ROUTINES *
114 * ------------------------------------------------------------------------- */ 96 * ------------------------------------------------------------------------- */
97
115/* Fill part/all of a line with blanks. */ 98/* Fill part/all of a line with blanks. */
116/* INTPROTO */
117void 99void
118rxvt_blank_line(pR_ text_t *et, rend_t *er, unsigned int width, rend_t efs) 100rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const noexcept
119{ 101{
120 efs &= ~RS_baseattrMask; 102 if (!l.valid ())
121 efs = SET_FONT (efs, R->TermWin.fontset->find_font (' ')); 103 {
104 l.alloc ();
105 col = 0;
106 width = ncol;
107 }
122 108
109 l.touch ();
110
111 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
112 efs = SET_FONT (efs, FONTSET (efs)->find_space_font ());
113
114 text_t *et = l.t + col;
115 rend_t *er = l.r + col;
116
123 while (width--) 117 while (width--)
124 { 118 {
125 *et++ = ' '; 119 *et++ = ' ';
126 *er++ = efs; 120 *er++ = efs;
127 } 121 }
128} 122}
129 123
130/* ------------------------------------------------------------------------- */ 124/* ------------------------------------------------------------------------- */
131/* Fill a full line with blanks - make sure it is allocated first */ 125/* Fill a full line with blanks - make sure it is allocated first */
132/* INTPROTO */
133void 126void
134rxvt_blank_screen_mem(pR_ text_t **tp, rend_t **rp, unsigned int row, rend_t efs) 127rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const noexcept
135{ 128{
136 int width = R->TermWin.ncol; 129 scr_blank_line (l, 0, ncol, efs);
137 rend_t *er;
138 130
139#ifdef DEBUG_STRICT 131 l.l = 0;
140 assert((tp[row] && rp[row]) || (tp[row] == NULL && rp[row] == NULL)); 132 l.f = 0;
141#endif 133}
142 if (tp[row] == NULL) { 134
143 tp[row] = (text_t *)rxvt_malloc(sizeof(text_t) * width); 135// nuke a single wide character at the given column
144 rp[row] = (rend_t *)rxvt_malloc(sizeof(rend_t) * width); 136void
145 } 137rxvt_term::scr_kill_char (line_t &l, int col) const noexcept
146 rxvt_blank_line (aR_ tp[row], rp[row], width, efs); 138{
139 // find begin
140 while (col > 0 && l.t[col] == NOCHAR)
141 col--;
142
143 rend_t rend = l.r[col] & ~RS_baseattrMask;
144 rend = SET_FONT (rend, FONTSET (rend)->find_space_font ());
145
146 l.touch ();
147
148 // found start, nuke
149 do {
150 l.t[col] = ' ';
151 l.r[col] = rend;
152 col++;
153 } while (col < ncol && l.t[col] == NOCHAR);
154}
155
156// set the rendition of a single wide character beginning at the given column
157void
158rxvt_term::scr_set_char_rend (line_t &l, int col, rend_t rend)
159{
160 do {
161 l.r[col] = rend;
162 col++;
163 } while (col < ncol && l.t[col] == NOCHAR);
147} 164}
148 165
149/* ------------------------------------------------------------------------- * 166/* ------------------------------------------------------------------------- *
150 * SCREEN INITIALISATION * 167 * SCREEN INITIALISATION *
151 * ------------------------------------------------------------------------- */ 168 * ------------------------------------------------------------------------- */
152/* EXTPROTO */ 169
153void 170void
171rxvt_term::scr_alloc () noexcept
172{
173 int tsize = sizeof (text_t) * ncol;
174 int rsize = sizeof (rend_t) * ncol;
175
176 // we assume that rend_t size is a sufficient alignment
177 // factor for text_t and line_t values, and we only
178 // need to adjust tsize.
179 tsize = (tsize + sizeof (rend_t) - 1);
180 tsize -= tsize % sizeof (rend_t);
181
182 int all_rows = total_rows + nrow + nrow;
183
184 chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
185 chunk = chunk_alloc (chunk_size, 0);
186
187 char *base = (char *)chunk + sizeof (line_t) * all_rows;
188
189 for (int row = 0; row < all_rows; ++row)
190 {
191 line_t &l = ((line_t *)chunk) [row];
192
193 l.t = (text_t *)base; base += tsize;
194 l.r = (rend_t *)base; base += rsize;
195 l.l = -1;
196 l.f = 0;
197 }
198
199 drawn_buf = (line_t *)chunk;
200 swap_buf = drawn_buf + nrow;
201 row_buf = swap_buf + nrow;
202}
203
204void
205rxvt_term::copy_line (line_t &dst, line_t &src)
206{
207 scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
208 dst.l = min (src.l, ncol);
209 memcpy (dst.t, src.t, sizeof (text_t) * dst.l);
210 memcpy (dst.r, src.r, sizeof (rend_t) * dst.l);
211 dst.f = src.f;
212}
213
214void ecb_cold
154rxvt_scr_reset(pR) 215rxvt_term::scr_reset ()
155{ 216{
156 unsigned int ncol, nrow, prev_ncol, prev_nrow, 217#if ENABLE_OVERLAY
157 total_rows, prev_total_rows; 218 scr_overlay_off ();
158 unsigned int p, q; 219#endif
159 int k;
160 rend_t setrstyle;
161 220
162 D_SCREEN((stderr, "rxvt_scr_reset()")); 221 view_start = 0;
163
164 R->TermWin.view_start = 0;
165 R->num_scr = 0; 222 num_scr = 0;
166 223
167 prev_ncol = R->prev_ncol; 224 if (ncol == 0)
168 prev_nrow = R->prev_nrow; 225 ncol = 80;
169 if (R->TermWin.ncol == 0) 226
170 R->TermWin.ncol = 80; 227 if (nrow == 0)
171 if (R->TermWin.nrow == 0) 228 nrow = 24;
172 R->TermWin.nrow = 24; 229
173 ncol = R->TermWin.ncol;
174 nrow = R->TermWin.nrow;
175 if (ncol == prev_ncol && nrow == prev_nrow) 230 if (ncol == prev_ncol && nrow == prev_nrow)
176 return; 231 return;
177 232
233 // we need at least two lines for wrapping to work correctly
234 while (nrow + saveLines < 2)
235 {
236 //TODO//FIXME
237 saveLines++;
238 prev_nrow--;
239 top_row--;
240 }
241
178 R->want_refresh = 1; 242 want_refresh = 1;
179 243
180 total_rows = nrow + R->TermWin.saveLines;
181 prev_total_rows = prev_nrow + R->TermWin.saveLines; 244 int prev_total_rows = prev_nrow + saveLines;
245 total_rows = nrow + saveLines;
182 246
183 R->screen.tscroll = 0; 247 screen.tscroll = 0;
184 R->screen.bscroll = nrow - 1; 248 screen.bscroll = nrow - 1;
185 249
186 if (prev_nrow == 0) { 250 void *prev_chunk = chunk;
187/* 251 size_t prev_chunk_size = chunk_size;
188 * A: first time called so just malloc everything : don't rely on realloc 252 line_t *prev_drawn_buf = drawn_buf;
189 * Note: this is still needed so that all the scrollback lines are NULL 253 line_t *prev_swap_buf = swap_buf;
190 */ 254 line_t *prev_row_buf = row_buf;
191 R->screen.text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
192 R->buf_text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
193 R->drawn_text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
194 R->swap.text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
195 255
196 R->screen.tlen = (int16_t *)rxvt_calloc(total_rows, sizeof(int16_t)); 256 scr_alloc ();
197 R->swap.tlen = (int16_t *)rxvt_calloc(nrow, sizeof(int16_t));
198 257
199 R->screen.rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *)); 258 if (!prev_row_buf)
200 R->buf_rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *)); 259 {
201 R->drawn_rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *)); 260 top_row = 0;
202 R->swap.rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *)); 261 term_start = 0;
203 262
204 for (p = 0; p < nrow; p++) {
205 q = p + R->TermWin.saveLines;
206 rxvt_blank_screen_mem(aR_ R->screen.text, R->screen.rend,
207 q, DEFAULT_RSTYLE);
208 rxvt_blank_screen_mem(aR_ R->swap.text, R->swap.rend,
209 p, DEFAULT_RSTYLE);
210 R->screen.tlen[q] = R->swap.tlen[p] = 0;
211 rxvt_blank_screen_mem(aR_ R->drawn_text, R->drawn_rend,
212 p, DEFAULT_RSTYLE);
213 }
214 MEMSET(R->charsets, 'B', sizeof(R->charsets)); 263 memset (charsets, 'B', sizeof (charsets));
215 R->TermWin.nscrolled = 0; /* no saved lines */
216 R->rstyle = DEFAULT_RSTYLE; 264 rstyle = DEFAULT_RSTYLE;
217 R->screen.flags = Screen_DefaultFlags; 265 screen.flags = Screen_DefaultFlags;
218 R->screen.cur.row = R->screen.cur.col = 0; 266 screen.cur.row = screen.cur.col = 0;
219 R->screen.charset = 0; 267 screen.charset = 0;
220 R->current_screen = PRIMARY; 268 current_screen = PRIMARY;
221 rxvt_scr_cursor(aR_ SAVE); 269 scr_cursor (SAVE);
270
222#if NSCREENS 271#if NSCREENS
223 R->swap.flags = Screen_DefaultFlags; 272 swap.flags = Screen_DefaultFlags;
224 R->swap.cur.row = R->swap.cur.col = 0; 273 swap.cur.row = swap.cur.col = 0;
225 R->swap.charset = 0; 274 swap.charset = 0;
226 R->current_screen = SECONDARY; 275 current_screen = SECONDARY;
227 rxvt_scr_cursor(aR_ SAVE); 276 scr_cursor (SAVE);
228 R->current_screen = PRIMARY; 277 current_screen = PRIMARY;
229#endif 278#endif
279
230 R->selection.text = NULL; 280 selection.text = NULL;
231 R->selection.len = 0; 281 selection.len = 0;
232 R->selection.op = SELECTION_CLEAR; 282 selection.op = SELECTION_CLEAR;
233 R->selection.screen = PRIMARY; 283 selection.screen = PRIMARY;
234 R->selection.clicks = 0; 284 selection.clicks = 0;
235 CLEAR_ALL_SELECTION(R); 285 selection.clip_text = NULL;
236 R->rvideo = 0; 286 selection.clip_len = 0;
237 287 }
238 } else { 288 else
239/* 289 {
290 /*
240 * B1: add or delete rows as appropriate 291 * add or delete rows as appropriate
241 */ 292 */
242 setrstyle = DEFAULT_RSTYLE;
243 293
244 if (nrow < prev_nrow) { 294 int common_col = min (prev_ncol, ncol);
245 /* delete rows */ 295
246 k = min(R->TermWin.nscrolled, prev_nrow - nrow); 296 // resize swap_buf, blank drawn_buf
247 rxvt_scroll_text(aR_ 0, (int)prev_nrow - 1, k, 1); 297 for (int row = min (nrow, prev_nrow); row--; )
248 for (p = nrow; p < prev_nrow; p++) { 298 {
249 q = p + R->TermWin.saveLines; 299 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
250 if (R->screen.text[q]) { 300 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
251#ifdef DEBUG_STRICT 301 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
252 assert(R->screen.rend[q]); 302
253#endif 303 copy_line (swap_buf [row], prev_swap_buf [row]);
254 free(R->screen.text[q]); 304 }
255 free(R->screen.rend[q]); 305
306 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
307 int pend = MOD (term_start + top_row , prev_total_rows);
308 int q = total_rows; // rewrapped row
309
310#if ENABLE_FRILLS
311 if ((rewrap_always || top_row) && !rewrap_never)
312 {
313 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
314 // to come up with a lean and mean algorithm.
315 // TODO: maybe optimise when width didn't change
316
317 row_col_t ocur = screen.cur;
318 ocur.row = MOD (term_start + ocur.row, prev_total_rows);
319
320 do
321 {
322 p = MOD (p - 1, prev_total_rows);
323 assert (prev_row_buf [MOD (p, prev_total_rows)].t);
324 int plines = 1;
325 int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
326
327 while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
328 {
329 p = MOD (p - 1, prev_total_rows);
330
331 plines++;
332 llen += prev_ncol;
256 } 333 }
257 if (R->swap.text[p]) { 334
258#ifdef DEBUG_STRICT 335 int qlines = max (0, (llen - 1) / ncol) + 1;
259 assert(R->swap.rend[p]); 336
260#endif 337 // drop partial lines completely
261 free(R->swap.text[p]); 338 if (q < qlines)
262 free(R->swap.rend[p]); 339 break;
340
341 q -= qlines;
342
343 int lofs = 0;
344 line_t *qline;
345
346 // re-assemble the full line by destination lines
347 for (int qrow = q; qlines--; qrow++)
348 {
349 qline = row_buf + qrow;
350 qline->alloc (); // redundant with next line
351 qline->l = ncol;
352 qline->is_longer (1);
353
354 int qcol = 0;
355
356 // see below for cursor adjustment rationale
357 if (p == ocur.row)
358 screen.cur.row = q - (total_rows - nrow);
359
360 // fill a single destination line
361 while (lofs < llen && qcol < ncol)
362 {
363 int prow = lofs / prev_ncol;
364 int pcol = lofs % prev_ncol;
365
366 prow = MOD (p + prow, prev_total_rows);
367
368 // we only adjust the cursor _row_ and put it into
369 // the topmost line of "long line" it was in, as
370 // this seems to upset applications/shells/readline
371 // least.
372 if (prow == ocur.row)
373 screen.cur.row = q - (total_rows - nrow);
374
375 line_t &pline = prev_row_buf [prow];
376
377 int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
378
379 memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
380 memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
381
382 lofs += len;
383 qcol += len;
384 }
263 } 385 }
264#ifdef DEBUG_STRICT 386
265 assert(R->drawn_text[p] && R->drawn_rend[p]); 387 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
266#endif 388 qline->is_longer (0);
267 free(R->drawn_text[p]); 389 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
268 free(R->drawn_rend[p]);
269 } 390 }
270 /* we have fewer rows so fix up cursor position */ 391 while (p != pend && q > 0);
271 MIN_IT(R->screen.cur.row, (int32_t)nrow - 1);
272 MIN_IT(R->swap.cur.row, (int32_t)nrow - 1);
273 392
274 rxvt_scr_reset_realloc(aR); /* realloc _last_ */ 393 term_start = total_rows - nrow;
394 top_row = q - term_start;
275 395
276 } else if (nrow > prev_nrow) { 396 // make sure all terminal lines exist
277 /* add rows */ 397 while (top_row > 0)
278 rxvt_scr_reset_realloc(aR); /* realloc _first_ */ 398 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
399 }
400 else
401#endif
402 {
403 // wing, instead of wrap
404 do
405 {
406 p = MOD (p - 1, prev_total_rows);
407 q--;
279 408
280 k = min(R->TermWin.nscrolled, nrow - prev_nrow); 409 copy_line (row_buf [q], prev_row_buf [p]);
281 for (p = prev_total_rows; p < total_rows; p++) {
282 R->screen.tlen[p] = 0;
283 R->screen.text[p] = NULL;
284 R->screen.rend[p] = NULL;
285 } 410 }
286 for (p = prev_total_rows; p < total_rows - k; p++) 411 while (p != pend);
287 rxvt_blank_screen_mem(aR_ R->screen.text, R->screen.rend, 412
288 p, setrstyle); 413 screen.cur.row += nrow - prev_nrow;
289 for (p = prev_nrow; p < nrow; p++) { 414 term_start = total_rows - nrow;
290 R->swap.tlen[p] = 0;
291 R->swap.text[p] = NULL;
292 R->swap.rend[p] = NULL;
293 R->drawn_text[p] = NULL;
294 R->drawn_rend[p] = NULL;
295 rxvt_blank_screen_mem(aR_ R->swap.text, R->swap.rend,
296 p, setrstyle);
297 rxvt_blank_screen_mem(aR_ R->drawn_text, R->drawn_rend,
298 p, setrstyle);
299 } 415 }
300 if (k > 0) { 416
301 rxvt_scroll_text(aR_ 0, (int)nrow - 1, -k, 1); 417 clamp_it (screen.cur.row, 0, nrow - 1);
302 R->screen.cur.row += k; 418 clamp_it (screen.cur.col, 0, ncol - 1);
303 R->screen.s_cur.row += k; 419 }
304 R->TermWin.nscrolled -= k; 420
305 } 421 // ensure drawn_buf, swap_buf and terminal rows are all initialized
306#ifdef DEBUG_STRICT 422 for (int row = nrow; row--; )
307 assert(R->screen.cur.row < R->TermWin.nrow);
308 assert(R->swap.cur.row < R->TermWin.nrow);
309#else /* drive with your eyes closed */
310 MIN_IT(R->screen.cur.row, nrow - 1);
311 MIN_IT(R->swap.cur.row, nrow - 1);
312#endif
313 }
314/* B2: resize columns */
315 if (ncol != prev_ncol) {
316 for (p = 0; p < total_rows; p++) {
317 if (R->screen.text[p]) {
318 R->screen.text[p] = (text_t *)rxvt_realloc(R->screen.text[p], ncol * sizeof(text_t));
319 R->screen.rend[p] = (rend_t *)rxvt_realloc(R->screen.rend[p], ncol * sizeof(rend_t));
320 MIN_IT(R->screen.tlen[p], (int16_t)ncol);
321 if (ncol > prev_ncol)
322 rxvt_blank_line(aR_
323 &(R->screen.text[p][prev_ncol]),
324 &(R->screen.rend[p][prev_ncol]),
325 ncol - prev_ncol,
326 setrstyle);
327 }
328 }
329 for (p = 0; p < nrow; p++) {
330 R->drawn_text[p] = (text_t *)rxvt_realloc(R->drawn_text[p], ncol * sizeof(text_t));
331 R->drawn_rend[p] = (rend_t *)rxvt_realloc(R->drawn_rend[p], ncol * sizeof(rend_t));
332 if (R->swap.text[p]) {
333 R->swap.text[p] = (text_t *)rxvt_realloc(R->swap.text[p], ncol * sizeof(text_t));
334 R->swap.rend[p] = (rend_t *)rxvt_realloc(R->swap.rend[p], ncol * sizeof(rend_t));
335 MIN_IT(R->swap.tlen[p], (int16_t)ncol);
336 if (ncol > prev_ncol)
337 rxvt_blank_line(aR_
338 &(R->swap.text[p][prev_ncol]),
339 &(R->swap.rend[p][prev_ncol]),
340 ncol - prev_ncol, setrstyle);
341 }
342 if (ncol > prev_ncol)
343 rxvt_blank_line(aR_
344 &(R->drawn_text[p][prev_ncol]),
345 &(R->drawn_rend[p][prev_ncol]),
346 ncol - prev_ncol, setrstyle);
347 }
348 MIN_IT(R->screen.cur.col, (int16_t)ncol - 1);
349 MIN_IT(R->swap.cur.col, (int16_t)ncol - 1);
350 }
351 if (R->tabs)
352 free(R->tabs);
353 } 423 {
424 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
425 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
426 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
427 }
354 428
429 chunk_free (prev_chunk, prev_chunk_size);
430
431 free (tabs);
355 R->tabs = (char *)rxvt_malloc(ncol * sizeof(char)); 432 tabs = (char *)rxvt_malloc (ncol);
356 433
357 for (p = 0; p < ncol; p++) 434 for (int col = ncol; col--; )
358 R->tabs[p] = (p % TABSIZE == 0) ? 1 : 0; 435 tabs [col] = col % TABSIZE == 0;
359 436
437 CLEAR_ALL_SELECTION ();
438
360 R->prev_nrow = nrow; 439 prev_nrow = nrow;
361 R->prev_ncol = ncol; 440 prev_ncol = ncol;
362 441
363 R->tt_winch (); 442 tt_winch ();
364}
365 443
366/* INTPROTO */ 444 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
367void
368rxvt_scr_reset_realloc(pR)
369{
370 uint16_t total_rows, nrow;
371
372 nrow = R->TermWin.nrow;
373 total_rows = nrow + R->TermWin.saveLines;
374/* *INDENT-OFF* */
375 R->screen.text = (text_t **)rxvt_realloc(R->screen.text, total_rows * sizeof(text_t *));
376 R->buf_text = (text_t **)rxvt_realloc(R->buf_text , total_rows * sizeof(text_t *));
377 R->drawn_text = (text_t **)rxvt_realloc(R->drawn_text , nrow * sizeof(text_t *));
378 R->swap.text = (text_t **)rxvt_realloc(R->swap.text , nrow * sizeof(text_t *));
379
380 R->screen.tlen = (int16_t *)rxvt_realloc(R->screen.tlen, total_rows * sizeof(int16_t));
381 R->swap.tlen = (int16_t *)rxvt_realloc(R->swap.tlen , total_rows * sizeof(int16_t));
382
383 R->screen.rend = (rend_t **)rxvt_realloc(R->screen.rend, total_rows * sizeof(rend_t *));
384 R->buf_rend = (rend_t **)rxvt_realloc(R->buf_rend , total_rows * sizeof(rend_t *));
385 R->drawn_rend = (rend_t **)rxvt_realloc(R->drawn_rend , nrow * sizeof(rend_t *));
386 R->swap.rend = (rend_t **)rxvt_realloc(R->swap.rend , nrow * sizeof(rend_t *));
387/* *INDENT-ON* */
388} 445}
389 446
390/* ------------------------------------------------------------------------- */ 447void ecb_cold
391/* 448rxvt_term::scr_release () noexcept
392 * Free everything. That way malloc debugging can find leakage.
393 */
394/* EXTPROTO */
395void
396rxvt_scr_release(pR)
397{ 449{
398 uint16_t total_rows; 450 chunk_free (chunk, chunk_size);
399 int i; 451 chunk = 0;
452 row_buf = 0;
400 453
401 total_rows = R->TermWin.nrow + R->TermWin.saveLines;
402 for (i = 0; i < total_rows; i++) {
403 if (R->screen.text[i]) { /* then so is R->screen.rend[i] */
404 free(R->screen.text[i]);
405#ifdef DEBUG_STRICT
406 assert(R->screen.rend[i]);
407#endif
408 free(R->screen.rend[i]);
409 }
410 }
411 for (i = 0; i < R->TermWin.nrow; i++) {
412 free(R->drawn_text[i]);
413 free(R->drawn_rend[i]);
414 free(R->swap.text[i]);
415 free(R->swap.rend[i]);
416 }
417 free(R->screen.text);
418 free(R->screen.tlen);
419 free(R->screen.rend);
420 free(R->drawn_text);
421 free(R->drawn_rend);
422 free(R->swap.text);
423 free(R->swap.tlen);
424 free(R->swap.rend);
425 free(R->buf_text);
426 free(R->buf_rend);
427 free(R->tabs); 454 free (tabs);
428 455 tabs = 0;
429/* NULL these so if anything tries to use them, we'll know about it */
430 R->screen.text = R->drawn_text = R->swap.text = NULL;
431 R->screen.rend = R->drawn_rend = R->swap.rend = NULL;
432 R->screen.tlen = R->swap.tlen = NULL;
433 R->buf_text = NULL;
434 R->buf_rend = NULL;
435 R->tabs = NULL;
436} 456}
437 457
438/* ------------------------------------------------------------------------- */ 458/* ------------------------------------------------------------------------- */
439/* 459/*
440 * Hard reset 460 * Hard/Soft reset
441 */ 461 */
442/* EXTPROTO */ 462void ecb_cold
443void
444rxvt_scr_poweron(pR) 463rxvt_term::scr_poweron ()
445{ 464{
446 D_SCREEN((stderr, "rxvt_scr_poweron()"));
447
448 rxvt_scr_release(aR); 465 scr_release ();
466
449 R->prev_nrow = R->prev_ncol = 0; 467 prev_nrow = prev_ncol = 0;
450 rxvt_scr_reset(aR); 468 rvideo_mode = false;
469 scr_soft_reset ();
470 scr_reset ();
451 471
452 rxvt_scr_clear(aR); 472 scr_clear (true);
453 rxvt_scr_refresh(aR_ SLOW_REFRESH); 473 scr_refresh ();
454#ifdef RXVT_GRAPHICS 474}
455 rxvt_Gr_reset(aR); 475
476void ecb_cold
477rxvt_term::scr_soft_reset () noexcept
478{
479 /* only affects modes, nothing drastic such as clearing the screen */
480#if ENABLE_OVERLAY
481 scr_overlay_off ();
456#endif 482#endif
483
484 if (current_screen != PRIMARY)
485 scr_swap_screen ();
486
487 scr_scroll_region (0, MAX_ROWS - 1);
488 scr_rendition (0, ~RS_None);
489 scr_insert_mode (0);
457} 490}
458 491
459/* ------------------------------------------------------------------------- * 492/* ------------------------------------------------------------------------- *
460 * PROCESS SCREEN COMMANDS * 493 * PROCESS SCREEN COMMANDS *
461 * ------------------------------------------------------------------------- */ 494 * ------------------------------------------------------------------------- */
462/* 495/*
463 * Save and Restore cursor 496 * Save and Restore cursor
464 * XTERM_SEQ: Save cursor : ESC 7 497 * XTERM_SEQ: Save cursor : ESC 7
465 * XTERM_SEQ: Restore cursor: ESC 8 498 * XTERM_SEQ: Restore cursor: ESC 8
466 */ 499 */
467/* EXTPROTO */
468void 500void
469rxvt_scr_cursor(pR_ int mode) 501rxvt_term::scr_cursor (cursor_mode mode) noexcept
470{ 502{
471 screen_t *s; 503 screen_t *s;
472
473 D_SCREEN((stderr, "rxvt_scr_cursor(%c)", mode));
474 504
475#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 505#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
476 if (R->current_screen == SECONDARY) 506 if (current_screen == SECONDARY)
477 s = &(R->swap); 507 s = &swap;
478 else 508 else
479#endif 509#endif
480 s = &(R->screen); 510 s = &screen;
511
481 switch (mode) { 512 switch (mode)
513 {
482 case SAVE: 514 case SAVE:
483 s->s_cur.row = s->cur.row; 515 s->s_cur.row = screen.cur.row;
484 s->s_cur.col = s->cur.col; 516 s->s_cur.col = screen.cur.col;
485 s->s_rstyle = R->rstyle; 517 s->s_rstyle = rstyle;
486 s->s_charset = s->charset; 518 s->s_charset = screen.charset;
487 s->s_charset_char = R->charsets[s->charset]; 519 s->s_charset_char = charsets[screen.charset];
488 break; 520 break;
521
489 case RESTORE: 522 case RESTORE:
490 R->want_refresh = 1; 523 want_refresh = 1;
491 s->cur.row = s->s_cur.row; 524 screen.cur.row = s->s_cur.row;
492 s->cur.col = s->s_cur.col; 525 screen.cur.col = s->s_cur.col;
493 s->flags &= ~Screen_WrapNext; 526 screen.flags &= ~Screen_WrapNext;
494 R->rstyle = s->s_rstyle; 527 rstyle = s->s_rstyle;
495 s->charset = s->s_charset; 528 screen.charset = s->s_charset;
496 R->charsets[s->charset] = s->s_charset_char; 529 charsets[screen.charset] = s->s_charset_char;
497 rxvt_set_font_style(aR); 530 set_font_style ();
498 break; 531 break;
499 } 532 }
533
500/* boundary check in case screen size changed between SAVE and RESTORE */ 534 /* boundary check in case screen size changed between SAVE and RESTORE */
501 MIN_IT(s->cur.row, R->TermWin.nrow - 1); 535 min_it (s->cur.row, nrow - 1);
502 MIN_IT(s->cur.col, R->TermWin.ncol - 1); 536 min_it (s->cur.col, ncol - 1);
503#ifdef DEBUG_STRICT
504 assert(s->cur.row >= 0); 537 assert (s->cur.row >= 0);
505 assert(s->cur.col >= 0); 538 assert (s->cur.col >= 0);
506#else /* drive with your eyes closed */ 539}
507 MAX_IT(s->cur.row, 0); 540
508 MAX_IT(s->cur.col, 0); 541void
509#endif 542rxvt_term::scr_swap_screen () noexcept
543{
544 if (!option (Opt_secondaryScreen))
545 return;
546
547 for (int i = prev_nrow; i--; )
548 ::swap (ROW(i), swap_buf [i]);
549
550 ::swap (screen.cur, swap.cur);
551
552 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
553 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
510} 554}
511 555
512/* ------------------------------------------------------------------------- */ 556/* ------------------------------------------------------------------------- */
513/* 557/*
514 * Swap between primary and secondary screens 558 * Swap between primary and secondary screens
515 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 559 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
516 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 560 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
517 */ 561 */
518/* EXTPROTO */ 562void
519int
520rxvt_scr_change_screen(pR_ int scrn) 563rxvt_term::scr_change_screen (int scrn)
521{ 564{
522 int i; 565 if (scrn == current_screen)
566 return;
567
568 want_refresh = 1;
569 view_start = 0;
570
571 /* check for boundary cross */
572 row_col_t pos;
573 pos.row = pos.col = 0;
574 if (ROWCOL_IS_BEFORE (selection.beg, pos)
575 && ROWCOL_IS_AFTER (selection.end, pos))
576 CLEAR_SELECTION ();
577
578 current_screen = scrn;
579
523#if NSCREENS 580#if NSCREENS
524 int offset; 581 if (option (Opt_secondaryScreen))
525#endif 582 {
526
527 R->want_refresh = 1;
528
529 D_SCREEN((stderr, "rxvt_scr_change_screen(%d)", scrn));
530
531 R->TermWin.view_start = 0;
532
533 if (R->current_screen == scrn)
534 return R->current_screen;
535
536 rxvt_selection_check(aR_ 2); /* check for boundary cross */
537
538 SWAP_IT(R->current_screen, scrn, int);
539#if NSCREENS
540 R->num_scr = 0; 583 num_scr = 0;
541 offset = R->TermWin.saveLines; 584
542 for (i = R->prev_nrow; i--;) { 585 scr_swap_screen ();
543 SWAP_IT(R->screen.text[i + offset], R->swap.text[i], text_t *); 586
544 SWAP_IT(R->screen.tlen[i + offset], R->swap.tlen[i], int16_t); 587 ::swap (screen.charset, swap.charset);
545 SWAP_IT(R->screen.rend[i + offset], R->swap.rend[i], rend_t *); 588 ::swap (screen.flags, swap.flags);
546 }
547 SWAP_IT(R->screen.cur.row, R->swap.cur.row, int16_t);
548 SWAP_IT(R->screen.cur.col, R->swap.cur.col, int16_t);
549# ifdef DEBUG_STRICT
550 assert((R->screen.cur.row >= 0) && (R->screen.cur.row < R->prev_nrow));
551 assert((R->screen.cur.col >= 0) && (R->screen.cur.col < R->prev_ncol));
552# else /* drive with your eyes closed */
553 MAX_IT(R->screen.cur.row, 0);
554 MIN_IT(R->screen.cur.row, (int32_t)R->prev_nrow - 1);
555 MAX_IT(R->screen.cur.col, 0);
556 MIN_IT(R->screen.cur.col, (int32_t)R->prev_ncol - 1);
557# endif
558 SWAP_IT(R->screen.charset, R->swap.charset, int16_t);
559 SWAP_IT(R->screen.flags, R->swap.flags, int);
560 R->screen.flags |= Screen_VisibleCursor; 589 screen.flags |= Screen_VisibleCursor;
561 R->swap.flags |= Screen_VisibleCursor; 590 swap.flags |= Screen_VisibleCursor;
562
563# ifdef RXVT_GRAPHICS
564
565 if (rxvt_Gr_Displayed(aR)) {
566 rxvt_Gr_scroll(aR_ 0);
567 rxvt_Gr_ChangeScreen(aR);
568 } 591 }
592 else
569# endif 593#endif
570#else 594 if (option (Opt_secondaryScroll))
571# ifdef SCROLL_ON_NO_SECONDARY
572# ifdef RXVT_GRAPHICS
573 if (rxvt_Gr_Displayed(aR))
574 rxvt_Gr_ClearScreen(aR);
575# endif
576 if (R->current_screen == PRIMARY
577# ifdef RXVT_GRAPHICS
578 && !rxvt_Gr_Displayed(aR)
579# endif
580 )
581 rxvt_scroll_text(aR_ 0, (R->prev_nrow - 1), R->prev_nrow, 0); 595 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
582# endif 596}
583#endif 597
598// clear WrapNext indicator, solidifying position on next line
599void
600rxvt_term::scr_do_wrap () noexcept
601{
602 if (!(screen.flags & Screen_WrapNext))
584 return scrn; 603 return;
604
605 screen.flags &= ~Screen_WrapNext;
606
607 screen.cur.col = 0;
608
609 if (screen.cur.row == screen.bscroll)
610 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
611 else if (screen.cur.row < nrow - 1)
612 screen.cur.row++;
585} 613}
586 614
587/* ------------------------------------------------------------------------- */ 615/* ------------------------------------------------------------------------- */
588/* 616/*
589 * Change the colour for following text 617 * Change the colour for following text
590 */ 618 */
591/* EXTPROTO */
592void 619void
593rxvt_scr_color(pR_ unsigned int color, int fgbg) 620rxvt_term::scr_color (unsigned int color, int fgbg) noexcept
594{ 621{
622 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR24))
595 color &= RS_fgMask; 623 color = fgbg;
624
596 if (fgbg == Color_fg) 625 if (fgbg == Color_fg)
597 R->rstyle = SET_FGCOLOR(R->rstyle, color); 626 rstyle = SET_FGCOLOR (rstyle, color);
598 else 627 else
599 R->rstyle = SET_BGCOLOR(R->rstyle, color); 628 rstyle = SET_BGCOLOR (rstyle, color);
600} 629}
601 630
602/* ------------------------------------------------------------------------- */ 631/* ------------------------------------------------------------------------- */
603/* 632/*
604 * Change the rendition style for following text 633 * Change the rendition style for following text
605 */ 634 */
606/* EXTPROTO */
607void 635void
608rxvt_scr_rendition(pR_ int set, int style) 636rxvt_term::scr_rendition (int set, int style) noexcept
609{ 637{
610 if (set) 638 if (set)
611 R->rstyle |= style; 639 rstyle |= style;
612 else if (style == ~RS_None) 640 else if (style == ~RS_None)
613 R->rstyle = DEFAULT_RSTYLE; 641 rstyle = DEFAULT_RSTYLE;
614 else 642 else
615 R->rstyle &= ~style; 643 rstyle &= ~style;
616} 644}
617 645
618/* ------------------------------------------------------------------------- */ 646/* ------------------------------------------------------------------------- */
619/* 647/*
620 * Scroll text between <row1> and <row2> inclusive, by <count> lines 648 * Scroll text between <row1> and <row2> inclusive, by <count> lines
621 * count positive ==> scroll up 649 * count positive ==> scroll up
622 * count negative ==> scroll down 650 * count negative ==> scroll down
623 * spec == 0 for normal routines
624 */ 651 */
625/* EXTPROTO */ 652int ecb_hot
626int
627rxvt_scroll_text(pR_ int row1, int row2, int count, int spec) 653rxvt_term::scr_scroll_text (int row1, int row2, int count) noexcept
628{ 654{
629 int i, j;
630 long nscrolled;
631
632 if (count == 0 || (row1 > row2)) 655 if (count == 0 || (row1 > row2))
633 return 0; 656 return 0;
634 657
635 R->want_refresh = 1; 658 want_refresh = 1;
636 D_SCREEN((stderr, "rxvt_scroll_text(%d,%d,%d,%d): %s", row1, row2, count, spec, (R->current_screen == PRIMARY) ? "Primary" : "Secondary")); 659 num_scr += count;
637 660
638 if ((count > 0) && (row1 == 0) && (R->current_screen == PRIMARY)) { 661 if (count > 0
639 nscrolled = (long)R->TermWin.nscrolled + (long)count;; 662 && row1 == 0
640 if (nscrolled > (long)R->TermWin.saveLines) 663 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
641 R->TermWin.nscrolled = R->TermWin.saveLines; 664 {
665 min_it (count, total_rows - (nrow - (row2 + 1)));
666
667 top_row = max (top_row - count, -saveLines);
668
669 // sever bottommost line
670 {
671 line_t &l = ROW(row2);
672 l.is_longer (0);
673 l.touch ();
674 }
675
676 // scroll everything up 'count' lines
677 term_start = (term_start + count) % total_rows;
678
679 // now copy lines below the scroll region bottom to the
680 // bottom of the screen again, so they look as if they
681 // hadn't moved.
682 for (int i = nrow; --i > row2; )
683 {
684 line_t &l1 = ROW(i - count);
685 line_t &l2 = ROW(i);
686
687 ::swap (l1, l2);
688 l2.touch ();
689 }
690
691 // erase newly scrolled-in lines
692 for (int i = count; i--; )
693 {
694 line_t &l = ROW(row2 - i);
695
696 // optimise if already cleared, can be significant on slow machines
697 // could be rolled into scr_blank_screen_mem
698 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
699 {
700 scr_blank_line (l, 0, l.l, rstyle);
701 l.l = 0;
702 l.f = 0;
703 }
642 else 704 else
643 R->TermWin.nscrolled = (uint16_t)nscrolled; 705 scr_blank_screen_mem (l, rstyle);
706 }
707
708 // move and/or clear selection, if any
709 if (selection.op && current_screen == selection.screen
710 && selection.beg.row <= row2)
711 {
712 selection.beg.row -= count;
713 selection.end.row -= count;
714 selection.mark.row -= count;
715
716 selection_check (0);
717 }
718
719 // finally move the view window, if desired
644 if ((R->Options & Opt_scrollWithBuffer) 720 if (option (Opt_scrollWithBuffer)
645 && R->TermWin.view_start != 0 721 && view_start != 0
646 && R->TermWin.view_start != R->TermWin.saveLines) 722 && view_start != -saveLines)
647 rxvt_scr_page(aR_ UP, count); 723 scr_page (count);
648 } else if (!spec)
649 row1 += R->TermWin.saveLines;
650 row2 += R->TermWin.saveLines;
651 724
725 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
726 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
727 }
728 else
729 {
652 if (R->selection.op && R->current_screen == R->selection.screen) { 730 if (selection.op && current_screen == selection.screen)
653 i = R->selection.beg.row + R->TermWin.saveLines; 731 {
654 j = R->selection.end.row + R->TermWin.saveLines; 732 if ((selection.beg.row < row1 && selection.end.row > row1)
655 if ((i < row1 && j > row1) 733 || (selection.beg.row < row2 && selection.end.row > row2)
656 || (i < row2 && j > row2) 734 || (selection.beg.row - count < row1 && selection.beg.row >= row1)
657 || (i - count < row1 && i >= row1) 735 || (selection.beg.row - count > row2 && selection.beg.row <= row2)
658 || (i - count > row2 && i <= row2) 736 || (selection.end.row - count < row1 && selection.end.row >= row1)
659 || (j - count < row1 && j >= row1) 737 || (selection.end.row - count > row2 && selection.end.row <= row2))
660 || (j - count > row2 && j <= row2)) { 738 {
661 CLEAR_ALL_SELECTION(R); 739 CLEAR_ALL_SELECTION ();
662 R->selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */ 740 selection.op = SELECTION_CLEAR;
663 } else if (j >= row1 && j <= row2) { 741 }
742 else if (selection.end.row >= row1 && selection.end.row <= row2)
743 {
664 /* move selected region too */ 744 /* move selected region too */
665 R->selection.beg.row -= count; 745 selection.beg.row -= count;
666 R->selection.end.row -= count; 746 selection.end.row -= count;
667 R->selection.mark.row -= count; 747 selection.mark.row -= count;
748
749 selection_check (0);
750 }
751 }
752
753 // use a simple and robust scrolling algorithm, this
754 // part of scr_scroll_text is not time-critical.
755
756 // sever line above scroll region
757 if (row1)
668 } 758 {
669 } 759 line_t &l = ROW(row1 - 1);
670 rxvt_selection_check(aR_ 0); /* _after_ R->TermWin.nscrolled update */ 760 l.is_longer (0);
761 l.touch ();
762 }
671 763
672 R->num_scr += count;
673 j = count;
674 if (count < 0)
675 count = -count;
676 i = row2 - row1 + 1; 764 int rows = row2 - row1 + 1;
677 MIN_IT(count, i);
678 765
679 if (j > 0) { 766 min_it (count, rows);
680/* A: scroll up */
681 767
682/* A1: Copy lines that will get clobbered by the rotation */ 768 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
683 for (i = 0, j = row1; i < count; i++, j++) { 769
684 R->buf_text[i] = R->screen.text[j]; 770 for (int row = 0; row < rows; row++)
685 R->buf_rend[i] = R->screen.rend[j];
686 } 771 {
687/* A2: Rotate lines */ 772 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
688 for (j = row1, i = j + count; i <= row2; i++, j++) { 773
689 R->screen.tlen[j] = R->screen.tlen[i]; 774 if (!IN_RANGE_EXC (row + count, 0, rows))
690 R->screen.text[j] = R->screen.text[i]; 775 scr_blank_screen_mem (temp_buf [row], rstyle);
691 R->screen.rend[j] = R->screen.rend[i]; 776 }
777
778 for (int row = 0; row < rows; row++)
779 ROW(row1 + row) = temp_buf [row];
780
781 // sever bottommost line
782 {
783 line_t &l = ROW(row2);
784 l.is_longer (0);
785 l.touch ();
692 } 786 }
693 j = row2 - count + 1, i = count;
694 } else /* if (j < 0) */ {
695/* B: scroll down */
696
697/* B1: Copy lines that will get clobbered by the rotation */
698 for (i = 0, j = row2; i < count; i++, j--) {
699 R->buf_text[i] = R->screen.text[j];
700 R->buf_rend[i] = R->screen.rend[j];
701 }
702/* B2: Rotate lines */
703 for (j = row2, i = j - count; i >= row1; i--, j--) {
704 R->screen.tlen[j] = R->screen.tlen[i];
705 R->screen.text[j] = R->screen.text[i];
706 R->screen.rend[j] = R->screen.rend[i];
707 }
708 j = row1, i = count;
709 count = -count;
710 } 787 }
711 788
712/* C: Resurrect lines */
713 for (; i--; j++) {
714 R->screen.tlen[j] = 0;
715 R->screen.text[j] = R->buf_text[i];
716 R->screen.rend[j] = R->buf_rend[i];
717 if (!spec) /* line length may not equal TermWin.ncol */
718 rxvt_blank_screen_mem(aR_ R->screen.text, R->screen.rend,
719 (unsigned int)j, R->rstyle);
720 }
721
722#ifdef RXVT_GRAPHICS
723 if (rxvt_Gr_Displayed(aR))
724 rxvt_Gr_scroll(aR_ count);
725#endif
726 return count; 789 return count;
727} 790}
728 791
729/* ------------------------------------------------------------------------- */ 792/* ------------------------------------------------------------------------- */
730/* 793/*
731 * Add text given in <str> of length <len> to screen struct 794 * Add text given in <str> of length <len> to screen struct
732 */ 795 */
733/* EXTPROTO */ 796void ecb_hot
734void 797rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) noexcept
735rxvt_scr_add_lines(pR_ const uint32_t *str, int nlines, int len)
736{ 798{
737 unsigned char checksel, clearsel;
738 uint32_t c;
739 int i, row, last_col;
740 text_t *stp;
741 rend_t *srp;
742
743 if (len <= 0) /* sanity */ 799 if (len <= 0) /* sanity */
744 return; 800 return;
745 801
802 bool checksel;
803 unicode_t c;
804 int ncol = this->ncol;
805 const wchar_t *strend = str + len;
806
746 R->want_refresh = 1; 807 want_refresh = 1;
747 last_col = R->TermWin.ncol;
748
749 D_SCREEN((stderr, "rxvt_scr_add_lines(%d,%d)", nlines, len));
750 ZERO_SCROLLBACK(R); 808 ZERO_SCROLLBACK ();
809
751 if (nlines > 0) { 810 if (minlines > 0)
811 {
752 nlines += (R->screen.cur.row - R->screen.bscroll); 812 minlines += screen.cur.row - screen.bscroll;
813 min_it (minlines, screen.cur.row - top_row);
814
753 if ((nlines > 0) 815 if (minlines > 0
754 && (R->screen.tscroll == 0) 816 && screen.tscroll == 0
755 && (R->screen.bscroll == (R->TermWin.nrow - 1))) { 817 && screen.bscroll == nrow - 1)
818 {
756 /* _at least_ this many lines need to be scrolled */ 819 /* _at least_ this many lines need to be scrolled */
757 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, nlines, 820 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
758 0);
759 R->screen.cur.row -= nlines; 821 screen.cur.row -= minlines;
760 } 822 }
761 } 823 }
762#ifdef DEBUG_STRICT 824
763 assert(R->screen.cur.col < last_col); 825 assert (screen.cur.col < ncol);
764 assert((R->screen.cur.row < R->TermWin.nrow) 826 assert (screen.cur.row < nrow
765 && (R->screen.cur.row >= -(int32_t)R->TermWin.nscrolled)); 827 && screen.cur.row >= top_row);
766#else /* drive with your eyes closed */ 828 int row = screen.cur.row;
767 MIN_IT(R->screen.cur.col, last_col - 1);
768 MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1);
769 MAX_IT(R->screen.cur.row, -(int32_t)R->TermWin.nscrolled);
770#endif
771 row = R->screen.cur.row + R->TermWin.saveLines;
772 829
773 checksel = (R->selection.op 830 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
774 && R->current_screen == R->selection.screen) ? 1 : 0;
775 clearsel = 0;
776 831
777 stp = R->screen.text[row]; 832 line_t *line = &ROW(row);
778 srp = R->screen.rend[row];
779 833
780 for (i = 0; i < len;) { 834 while (str < strend)
781 c = str[i++]; 835 {
782 switch (c) { 836 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
783 case '\t': 837
784 rxvt_scr_tab(aR_ 1); 838 if (ecb_unlikely (c < 0x20))
839 if (c == C0_LF)
840 {
841 max_it (line->l, screen.cur.col);
842
843 screen.flags &= ~Screen_WrapNext;
844
845 if (screen.cur.row == screen.bscroll)
846 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
847 else if (screen.cur.row < (nrow - 1))
848 row = ++screen.cur.row;
849
850 line = &ROW(row); /* _must_ refresh */
785 continue; 851 continue;
786 case '\n': 852 }
787 if (R->screen.tlen[row] != -1) /* XXX: think about this */ 853 else if (c == C0_CR)
788 MAX_IT(R->screen.tlen[row], R->screen.cur.col); 854 {
855 max_it (line->l, screen.cur.col);
856
789 R->screen.flags &= ~Screen_WrapNext; 857 screen.flags &= ~Screen_WrapNext;
790 if (R->screen.cur.row == R->screen.bscroll) 858 screen.cur.col = 0;
791 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, 1, 0);
792 else if (R->screen.cur.row < (R->TermWin.nrow - 1))
793 row = (++R->screen.cur.row) + R->TermWin.saveLines;
794 stp = R->screen.text[row]; /* _must_ refresh */
795 srp = R->screen.rend[row]; /* _must_ refresh */
796 continue; 859 continue;
797 case '\r': 860 }
798 if (R->screen.tlen[row] != -1) /* XXX: think about this */ 861 else if (c == C0_HT)
799 MAX_IT(R->screen.tlen[row], R->screen.cur.col); 862 {
800 R->screen.flags &= ~Screen_WrapNext; 863 scr_tab (1, true);
801 R->screen.cur.col = 0;
802 continue; 864 continue;
803 default:
804 if (c == 127)
805 continue; /* yummmm..... */
806 break;
807 } 865 }
808 866
867 if (ecb_unlikely (
809 if (checksel /* see if we're writing within selection */ 868 checksel /* see if we're writing within selection */
810 && !ROWCOL_IS_BEFORE(R->screen.cur, R->selection.beg) 869 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
811 && ROWCOL_IS_BEFORE(R->screen.cur, R->selection.end)) { 870 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
871 ))
872 {
812 checksel = 0; 873 checksel = 0;
813 clearsel = 1; 874 /*
875 * If we wrote anywhere in the selected area, kill the selection
876 * XXX: should we kill the mark too? Possibly, but maybe that
877 * should be a similar check.
878 */
879 CLEAR_SELECTION ();
880 }
881
882 if (ecb_unlikely (screen.flags & Screen_WrapNext))
814 } 883 {
815 if (R->screen.flags & Screen_WrapNext) { 884 scr_do_wrap ();
816 R->screen.tlen[row] = -1; 885
817 if (R->screen.cur.row == R->screen.bscroll) 886 line->l = ncol;
818 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, 1, 0); 887 line->is_longer (1);
819 else if (R->screen.cur.row < (R->TermWin.nrow - 1)) 888
820 row = (++R->screen.cur.row) + R->TermWin.saveLines; 889 row = screen.cur.row;
821 stp = R->screen.text[row]; /* _must_ refresh */ 890 line = &ROW(row); /* _must_ refresh */
822 srp = R->screen.rend[row]; /* _must_ refresh */ 891 }
823 R->screen.cur.col = 0; 892
824 R->screen.flags &= ~Screen_WrapNext; 893 // some utf-8 decoders "decode" surrogate characters: let's fix this.
894 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
895 c = 0xfffd;
896
897 // rely on wcwidth to tell us the character width, do wcwidth before
898 // further replacements, as wcwidth might return -1 for the line
899 // drawing characters below as they might be invalid in the current
900 // locale.
901 int width = WCWIDTH (c);
902
903 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
825 } 904 {
826 if (R->screen.flags & Screen_Insert) 905 // vt100 special graphics and line drawing
827 rxvt_scr_insdel_chars(aR_ 1, INSERT); 906 // 5f-7e standard vt100
907 // 40-5e rxvt extension for extra curses acs chars
908 static uint16_t vt100_0[62] = { // 41 .. 7e
909 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman!
910 0, 0, 0, 0, 0, 0, 0, 0, // 48-4f
911 0, 0, 0, 0, 0, 0, 0, 0, // 50-57
912 0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f
913 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
914 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
915 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
916 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
917 };
828 918
829 if (R->charsets[R->screen.charset] == '0') // DEC SPECIAL 919 if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41])
830 switch (c)
831 { 920 {
832 case '+': c = 0x2192; break; case ',': c = 0x2190; break; case '-': c = 0x2191; break; 921 c = vt100_0[c - 0x41];
833 case '.': c = 0x2193; break; case '0': c = 0x25ae; break; case '`': c = 0x25c6; break; 922 width = 1; // vt100 line drawing characters are always single-width
834 case 'a': c = 0x2592; break; case 'f': c = 0x00b0; break; case 'g': c = 0x00b1; break;
835 case 'h': c = 0x2592; break; case 'i': c = 0x2603; break; case 'j': c = 0x2518; break;
836 case 'k': c = 0x2510; break; case 'l': c = 0x250c; break; case 'm': c = 0x2514; break;
837 case 'n': c = 0x253c; break; case 'o': c = 0x23ba; break; case 'p': c = 0x23bb; break;
838 case 'q': c = 0x2500; break; case 'r': c = 0x23bc; break; case 's': c = 0x23bd; break;
839 case 't': c = 0x251c; break; case 'u': c = 0x2524; break; case 'v': c = 0x2534; break;
840 case 'w': c = 0x252c; break; case 'x': c = 0x2502; break; case 'y': c = 0x2264; break;
841 case 'z': c = 0x2265; break; case '{': c = 0x03c0; break; case '|': c = 0x2260; break;
842 case '}': c = 0x00a3; break; case '~': c = 0x00b7; break;
843 } 923 }
924 }
844 925
845 rend_t rend = SET_FONT (R->rstyle, R->TermWin.fontset->find_font (c)); 926 if (ecb_unlikely (screen.flags & Screen_Insert))
927 scr_insdel_chars (width, INSERT);
846 928
847 stp[R->screen.cur.col] = c; 929 if (width != 0)
848 srp[R->screen.cur.col] = rend;
849
850 if (c > 255)
851 { 930 {
852 // rely on wcwidth to tell us the character width, at least for non iso-8859-1 931#if !UNICODE_3
853 int width = wcwidth (c); 932 // trim characters we can't store directly :(
933 if (c >= 0x10000)
934# if ENABLE_COMBINING
935 c = rxvt_composite.compose (c); // map to lower 16 bits
936# else
937 c = 0xfffd;
938# endif
939#endif
940
941 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
942
943 // if the character doesn't fit into the remaining columns...
944 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
854 945 {
855 if (width > 1)
856 {
857 while (--width > 0 && R->screen.cur.col < last_col - 1)
858 {
859
860 srp[R->screen.cur.col] |= RS_wide;
861
862 R->screen.cur.col++;
863 stp[R->screen.cur.col] = NOCHAR;
864 srp[R->screen.cur.col] = rend;
865 }
866 }
867 }
868
869 if (R->screen.cur.col < last_col - 1)
870 R->screen.cur.col++;
871 else {
872 R->screen.tlen[row] = last_col;
873 if (R->screen.flags & Screen_Autowrap) 946 if (screen.flags & Screen_Autowrap)
947 {
948 // ... artificially enlargen the previous one
949 c = NOCHAR;
950 // and try the same character next loop iteration
951 --str;
952 }
953 else
954 screen.cur.col = ncol - width;
955 }
956
957 // nuke the character at this position, if required
958 // due to wonderful coincidences everywhere else in this loop
959 // we never have to check for overwriting a wide char itself,
960 // only its tail.
961 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
962 scr_kill_char (*line, screen.cur.col);
963
964 line->touch ();
965
966 do
967 {
968 line->t[screen.cur.col] = c;
969 line->r[screen.cur.col] = rend;
970
971 if (ecb_likely (screen.cur.col < ncol - 1))
972 screen.cur.col++;
973 else
974 {
975 line->l = ncol;
976 if (screen.flags & Screen_Autowrap)
874 R->screen.flags |= Screen_WrapNext; 977 screen.flags |= Screen_WrapNext;
978
979 goto end_of_line;
980 }
981
982 c = NOCHAR;
983 }
984 while (ecb_unlikely (--width > 0));
985
986 // pad with spaces when overwriting wide character with smaller one
987 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
988 {
989 line->t[c] = ' ';
990 line->r[c] = rend;
991 }
992
993end_of_line:
994 ;
995 }
996#if ENABLE_COMBINING
997 else // width == 0
875 } 998 {
876 } 999 if (c != 0xfeff) // ignore BOM
877 if (R->screen.tlen[row] != -1) /* XXX: think about this */ 1000 {
878 MAX_IT(R->screen.tlen[row], R->screen.cur.col); 1001 // handle combining characters
1002 // we just tag the accent on the previous on-screen character.
1003 // this is arguably not correct, but also arguably not wrong.
1004 // we don't handle double-width characters nicely yet.
1005 line_t *linep;
1006 text_t *tp;
1007 rend_t *rp;
879 1008
880/* 1009 if (screen.cur.col > 0)
881 * If we wrote anywhere in the selected area, kill the selection 1010 {
882 * XXX: should we kill the mark too? Possibly, but maybe that 1011 linep = line;
883 * should be a similar check. 1012 tp = line->t + screen.cur.col - 1;
884 */ 1013 rp = line->r + screen.cur.col - 1;
885 if (clearsel) 1014 }
886 CLEAR_SELECTION(R); 1015 else if (screen.cur.row > 0
1016 && ROW(screen.cur.row - 1).is_longer ())
1017 {
1018 linep = &ROW(screen.cur.row - 1);
1019 tp = linep->t + ncol - 1;
1020 rp = linep->r + ncol - 1;
1021 }
1022 else
1023 continue;
887 1024
888#ifdef DEBUG_STRICT 1025 linep->touch ();
1026
1027 while (*tp == NOCHAR && tp > linep->t)
1028 tp--, rp--;
1029
1030 // first try to find a precomposed character
1031 unicode_t n = rxvt_compose (*tp, c);
1032 if (n == NOCHAR)
1033 n = rxvt_composite.compose (*tp, c);
1034
1035 *tp = n;
1036 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
1037 }
1038 }
1039#endif
1040 }
1041
1042 max_it (line->l, screen.cur.col);
1043
889 assert(R->screen.cur.row >= 0); 1044 assert (screen.cur.row >= 0);
890#else /* drive with your eyes closed */
891 MAX_IT(R->screen.cur.row, 0);
892#endif
893} 1045}
894 1046
895/* ------------------------------------------------------------------------- */ 1047/* ------------------------------------------------------------------------- */
896/* 1048/*
897 * Process Backspace. Move back the cursor back a position, wrap if have to 1049 * Process Backspace. Move back the cursor back a position, wrap if have to
898 * XTERM_SEQ: CTRL-H 1050 * XTERM_SEQ: CTRL-H
899 */ 1051 */
900/* EXTPROTO */
901void 1052void
902rxvt_scr_backspace(pR) 1053rxvt_term::scr_backspace () noexcept
903{ 1054{
904 R->want_refresh = 1;
905 if (R->screen.cur.col == 0) { 1055 if (screen.cur.col == 0)
1056 {
906 if (R->screen.cur.row > 0) { 1057 if (screen.cur.row > 0)
1058 {
907#ifdef TERMCAP_HAS_BW 1059#ifdef TERMCAP_HAS_BW
908 R->screen.cur.col = R->TermWin.ncol - 1; 1060 screen.cur.col = ncol - 1;
909 R->screen.cur.row--; 1061 --screen.cur.row;
910 return; 1062
1063 want_refresh = 1;
911#endif 1064#endif
912 } 1065 }
1066 }
913 } else if ((R->screen.flags & Screen_WrapNext) == 0) 1067 else if (screen.flags & Screen_WrapNext)
914 rxvt_scr_gotorc(aR_ 0, -1, RELATIVE);
915 R->screen.flags &= ~Screen_WrapNext; 1068 screen.flags &= ~Screen_WrapNext;
1069 else
1070 scr_gotorc (0, -1, RELATIVE);
916} 1071}
917 1072
918/* ------------------------------------------------------------------------- */ 1073/* ------------------------------------------------------------------------- */
919/* 1074/*
920 * Process Horizontal Tab 1075 * Process Horizontal Tab
921 * count: +ve = forward; -ve = backwards 1076 * count: +ve = forward; -ve = backwards
922 * XTERM_SEQ: CTRL-I 1077 * XTERM_SEQ: CTRL-I
923 */ 1078 */
924/* EXTPROTO */
925void 1079void
926rxvt_scr_tab(pR_ int count) 1080rxvt_term::scr_tab (int count, bool ht) noexcept
927{ 1081{
928 int i, x; 1082 int i, x;
929 1083
930 D_SCREEN((stderr, "rxvt_scr_tab(%d)", count));
931 R->want_refresh = 1; 1084 want_refresh = 1;
932 i = x = R->screen.cur.col; 1085 i = x = screen.cur.col;
1086
933 if (count == 0) 1087 if (count == 0)
934 return; 1088 return;
935 else if (count > 0) { 1089 else if (count > 0)
1090 {
1091 line_t &l = ROW(screen.cur.row);
1092 rend_t base_rend = l.r[i];
1093 ht &= l.t[i] == ' ';
1094
936 for (; ++i < R->TermWin.ncol; ) 1095 for (; ++i < ncol; )
937 if (R->tabs[i]) { 1096 if (tabs[i])
1097 {
938 x = i; 1098 x = i;
1099
939 if (!--count) 1100 if (!--count)
940 break; 1101 break;
1102 }
1103 else
1104 ht &= l.t[i] == ' '
1105 && RS_SAME (l.r[i], base_rend);
1106
1107 if (count)
1108 x = ncol - 1;
1109
1110 // store horizontal tab commands as characters inside the text
1111 // buffer so they can be selected and pasted.
1112 if (ht && option (Opt_pastableTabs))
1113 {
1114 base_rend = SET_FONT (base_rend, 0);
1115
1116 l.touch (x);
1117
1118 i = screen.cur.col;
1119
1120 l.t[i] = '\t';
1121 l.r[i] = base_rend;
1122
1123 while (++i < x)
1124 {
1125 l.t[i] = NOCHAR;
1126 l.r[i] = base_rend;
941 } 1127 }
942 if (count) 1128 }
943 x = R->TermWin.ncol - 1; 1129 }
944 } else /* if (count < 0) */ { 1130 else /* if (count < 0) */
1131 {
945 for (; --i >= 0; ) 1132 for (; --i >= 0; )
946 if (R->tabs[i]) { 1133 if (tabs[i])
947 x = i;
948 if (!++count)
949 break;
950 } 1134 {
951 if (count)
952 x = 0; 1135 x = i;
1136 if (!++count)
1137 break;
1138 }
1139
1140 if (count)
1141 x = 0;
953 } 1142 }
1143
954 if (x != R->screen.cur.col) 1144 if (x != screen.cur.col)
955 rxvt_scr_gotorc(aR_ 0, x, R_RELATIVE); 1145 scr_gotorc (0, x, R_RELATIVE);
956} 1146}
957 1147
958/* ------------------------------------------------------------------------- */ 1148/* ------------------------------------------------------------------------- */
959/* 1149/*
960 * Process DEC Back Index 1150 * Process DEC Back Index
961 * XTERM_SEQ: ESC 6 1151 * XTERM_SEQ: ESC 6
962 * Move cursor left in row. If we're at the left boundary, shift everything 1152 * Move cursor left in row. If we're at the left boundary, shift everything
963 * in that row right. Clear left column. 1153 * in that row right. Clear left column.
964 */ 1154 */
965#ifndef NO_FRILLS 1155#if !ENABLE_MINIMAL
966/* EXTPROTO */ 1156void ecb_cold
967void 1157rxvt_term::scr_backindex () noexcept
968rxvt_scr_backindex(pR)
969{ 1158{
970 if (R->screen.cur.col > 0) 1159 if (screen.cur.col > 0)
971 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE); 1160 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
972 else { 1161 else
973 if (R->screen.tlen[R->screen.cur.row + R->TermWin.saveLines] == 0)
974 return; /* um, yeah? */
975 rxvt_scr_insdel_chars(aR_ 1, INSERT); 1162 scr_insdel_chars (1, INSERT);
976 }
977} 1163}
978#endif 1164#endif
979/* ------------------------------------------------------------------------- */ 1165/* ------------------------------------------------------------------------- */
980/* 1166/*
981 * Process DEC Forward Index 1167 * Process DEC Forward Index
982 * XTERM_SEQ: ESC 9 1168 * XTERM_SEQ: ESC 9
983 * Move cursor right in row. If we're at the right boundary, shift everything 1169 * Move cursor right in row. If we're at the right boundary, shift everything
984 * in that row left. Clear right column. 1170 * in that row left. Clear right column.
985 */ 1171 */
986#ifndef NO_FRILLS 1172#if !ENABLE_MINIMAL
987/* EXTPROTO */ 1173void ecb_cold
988void 1174rxvt_term::scr_forwardindex () noexcept
989rxvt_scr_forwardindex(pR)
990{ 1175{
991 int row;
992
993 if (R->screen.cur.col < R->TermWin.ncol - 1) 1176 if (screen.cur.col < ncol - 1)
994 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE); 1177 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
995 else { 1178 else
996 row = R->screen.cur.row + R->TermWin.saveLines; 1179 {
997 if (R->screen.tlen[row] == 0) 1180 line_t &l = ROW(screen.cur.row);
998 return; /* um, yeah? */ 1181
999 else if (R->screen.tlen[row] == -1) 1182 l.touch ();
1000 R->screen.tlen[row] = R->TermWin.ncol; 1183 l.is_longer (0);
1184
1001 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE); 1185 scr_gotorc (0, 0, R_RELATIVE);
1002 rxvt_scr_insdel_chars(aR_ 1, DELETE); 1186 scr_insdel_chars (1, DELETE);
1003 rxvt_scr_gotorc(aR_ 0, R->TermWin.ncol - 1, R_RELATIVE); 1187 scr_gotorc (0, ncol - 1, R_RELATIVE);
1004 } 1188 }
1005} 1189}
1006#endif 1190#endif
1007 1191
1008/* ------------------------------------------------------------------------- */ 1192/* ------------------------------------------------------------------------- */
1009/* 1193/*
1010 * Goto Row/Column 1194 * Goto Row/Column
1011 */ 1195 */
1012/* EXTPROTO */
1013void 1196void
1014rxvt_scr_gotorc(pR_ int row, int col, int relative) 1197rxvt_term::scr_gotorc (int row, int col, int relative) noexcept
1015{ 1198{
1016 R->want_refresh = 1; 1199 want_refresh = 1;
1017 ZERO_SCROLLBACK(R); 1200 ZERO_SCROLLBACK ();
1018#ifdef RXVT_GRAPHICS
1019 if (rxvt_Gr_Displayed(aR))
1020 rxvt_Gr_scroll(aR_ 0);
1021#endif
1022 1201
1023 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));
1024
1025 R->screen.cur.col = ((relative & C_RELATIVE) ? (R->screen.cur.col + col) 1202 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1026 : col); 1203 clamp_it (screen.cur.col, 0, ncol - 1);
1027 MAX_IT(R->screen.cur.col, 0);
1028 MIN_IT(R->screen.cur.col, (int32_t)R->TermWin.ncol - 1);
1029 1204
1030 R->screen.flags &= ~Screen_WrapNext; 1205 screen.flags &= ~Screen_WrapNext;
1206
1031 if (relative & R_RELATIVE) { 1207 if (relative & R_RELATIVE)
1208 {
1032 if (row > 0) { 1209 if (row > 0)
1210 {
1033 if (R->screen.cur.row <= R->screen.bscroll 1211 if (screen.cur.row <= screen.bscroll
1034 && (R->screen.cur.row + row) > R->screen.bscroll) 1212 && (screen.cur.row + row) > screen.bscroll)
1035 R->screen.cur.row = R->screen.bscroll; 1213 screen.cur.row = screen.bscroll;
1036 else 1214 else
1037 R->screen.cur.row += row;
1038 } else if (row < 0) {
1039 if (R->screen.cur.row >= R->screen.tscroll
1040 && (R->screen.cur.row + row) < R->screen.tscroll)
1041 R->screen.cur.row = R->screen.tscroll;
1042 else
1043 R->screen.cur.row += row;
1044 }
1045 } else {
1046 if (R->screen.flags & Screen_Relative) { /* relative origin mode */
1047 R->screen.cur.row = row + R->screen.tscroll;
1048 MIN_IT(R->screen.cur.row, R->screen.bscroll);
1049 } else
1050 R->screen.cur.row = row; 1215 screen.cur.row += row;
1216 }
1217 else if (row < 0)
1218 {
1219 if (screen.cur.row >= screen.tscroll
1220 && (screen.cur.row + row) < screen.tscroll)
1221 screen.cur.row = screen.tscroll;
1222 else
1223 screen.cur.row += row;
1224 }
1225 }
1226 else
1051 } 1227 {
1052 MAX_IT(R->screen.cur.row, 0); 1228 if (screen.flags & Screen_Relative)
1053 MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1); 1229 {
1054} 1230 /* relative origin mode */
1231 screen.cur.row = row + screen.tscroll;
1232 min_it (screen.cur.row, screen.bscroll);
1233 }
1234 else
1235 screen.cur.row = row;
1236 }
1055 1237
1238 clamp_it (screen.cur.row, 0, nrow - 1);
1239}
1240
1056/* ------------------------------------------------------------------------- */ 1241/* ------------------------------------------------------------------------- */
1057/* 1242/*
1058 * direction should be UP or DN 1243 * direction should be UP or DN
1059 */ 1244 */
1060/* EXTPROTO */
1061void 1245void
1062rxvt_scr_index(pR_ enum page_dirn direction) 1246rxvt_term::scr_index (enum page_dirn direction) noexcept
1063{ 1247{
1064 int dirn;
1065
1066 R->want_refresh = 1; 1248 want_refresh = 1;
1067 dirn = ((direction == UP) ? 1 : -1);
1068 D_SCREEN((stderr, "rxvt_scr_index(%d)", dirn));
1069
1070 ZERO_SCROLLBACK(R); 1249 ZERO_SCROLLBACK ();
1071 1250
1072#ifdef RXVT_GRAPHICS
1073 if (rxvt_Gr_Displayed(aR))
1074 rxvt_Gr_scroll(aR_ 0);
1075#endif
1076
1077 R->screen.flags &= ~Screen_WrapNext; 1251 screen.flags &= ~Screen_WrapNext;
1252
1078 if ((R->screen.cur.row == R->screen.bscroll && direction == UP) 1253 if ((screen.cur.row == screen.bscroll && direction == UP)
1079 || (R->screen.cur.row == R->screen.tscroll && direction == DN)) 1254 || (screen.cur.row == screen.tscroll && direction == DN))
1080 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, dirn, 0); 1255 scr_scroll_text (screen.tscroll, screen.bscroll, direction);
1081 else 1256 else
1082 R->screen.cur.row += dirn; 1257 screen.cur.row += direction;
1083 MAX_IT(R->screen.cur.row, 0); 1258
1084 MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1); 1259 clamp_it (screen.cur.row, 0, nrow - 1);
1085 rxvt_selection_check(aR_ 0); 1260 selection_check (0);
1086} 1261}
1087 1262
1088/* ------------------------------------------------------------------------- */ 1263/* ------------------------------------------------------------------------- */
1089/* 1264/*
1090 * Erase part or whole of a line 1265 * Erase part or whole of a line
1091 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1266 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1092 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1267 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1093 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1268 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1269 * extension: clear to right unless wrapped: ESC [ 3 K
1094 */ 1270 */
1095/* EXTPROTO */
1096void 1271void
1097rxvt_scr_erase_line(pR_ int mode) 1272rxvt_term::scr_erase_line (int mode) noexcept
1098{ 1273{
1099 unsigned int row, col, num; 1274 unsigned int col, num;
1100 1275
1101 R->want_refresh = 1; 1276 want_refresh = 1;
1102 D_SCREEN((stderr, "rxvt_scr_erase_line(%d) at screen row: %d", mode, R->screen.cur.row));
1103 ZERO_SCROLLBACK(R); 1277 ZERO_SCROLLBACK ();
1104 1278
1105#ifdef RXVT_GRAPHICS
1106 if (rxvt_Gr_Displayed(aR))
1107 rxvt_Gr_scroll(aR_ 0);
1108#endif
1109
1110 rxvt_selection_check(aR_ 1); 1279 selection_check (1);
1111 1280
1112 R->screen.flags &= ~Screen_WrapNext; 1281 line_t &line = ROW(screen.cur.row);
1113 1282
1114 row = R->TermWin.saveLines + R->screen.cur.row; 1283 line.touch ();
1284 line.is_longer (0);
1285
1115 switch (mode) { 1286 switch (mode)
1287 {
1288 case 3:
1289 if (screen.flags & Screen_WrapNext)
1290 return;
1291
1292 /* fall through */
1293
1116 case 0: /* erase to end of line */ 1294 case 0: /* erase to end of line */
1117 col = R->screen.cur.col; 1295 col = screen.cur.col;
1118 num = R->TermWin.ncol - col; 1296 num = ncol - col;
1119 MIN_IT(R->screen.tlen[row], (int16_t)col); 1297 min_it (line.l, col);
1298
1120 if (ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur) 1299 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1121 || ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.end, R->screen.cur)) 1300 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1122 CLEAR_SELECTION(R); 1301 CLEAR_SELECTION ();
1123 break; 1302 break;
1303
1124 case 1: /* erase to beginning of line */ 1304 case 1: /* erase to beginning of line */
1125 col = 0; 1305 col = 0;
1126 num = R->screen.cur.col + 1; 1306 num = screen.cur.col + 1;
1307
1127 if (ROWCOL_IN_ROW_AT_OR_BEFORE(R->selection.beg, R->screen.cur) 1308 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1128 || ROWCOL_IN_ROW_AT_OR_BEFORE(R->selection.end, R->screen.cur)) 1309 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1129 CLEAR_SELECTION(R); 1310 CLEAR_SELECTION ();
1130 break; 1311 break;
1312
1131 case 2: /* erase whole line */ 1313 case 2: /* erase whole line */
1132 col = 0; 1314 col = 0;
1133 num = R->TermWin.ncol; 1315 num = ncol;
1134 R->screen.tlen[row] = 0; 1316 line.l = 0;
1135 if (R->selection.beg.row <= R->screen.cur.row 1317 if (selection.beg.row <= screen.cur.row
1136 && R->selection.end.row >= R->screen.cur.row) 1318 && selection.end.row >= screen.cur.row)
1137 CLEAR_SELECTION(R); 1319 CLEAR_SELECTION ();
1138 break; 1320 break;
1139 default: 1321 default:
1140 return; 1322 return;
1141 } 1323 }
1142 if (R->screen.text[row])
1143 rxvt_blank_line(aR_
1144 &(R->screen.text[row][col]),
1145 &(R->screen.rend[row][col]), num, R->rstyle);
1146 else
1147 rxvt_blank_screen_mem(aR_ R->screen.text, R->screen.rend, row,
1148 R->rstyle);
1149}
1150 1324
1325 scr_blank_line (line, col, num, rstyle);
1326}
1327
1151/* ------------------------------------------------------------------------- */ 1328/* ------------------------------------------------------------------------- */
1152/* 1329/*
1153 * Erase part of whole of the screen 1330 * Erase part or whole of the screen
1154 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1331 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1155 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1332 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1156 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1333 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1157 */ 1334 */
1158/* EXTPROTO */
1159void 1335void
1160rxvt_scr_erase_screen(pR_ int mode) 1336rxvt_term::scr_erase_screen (int mode) noexcept
1161{ 1337{
1162 int num; 1338 int num;
1163 int32_t row, row_offset; 1339 int32_t row;
1164 rend_t ren; 1340 rend_t ren;
1165 XGCValues gcvalue; 1341 XGCValues gcvalue;
1166 1342
1167 R->want_refresh = 1; 1343 want_refresh = 1;
1168 D_SCREEN((stderr, "rxvt_scr_erase_screen(%d) at screen row: %d", mode, R->screen.cur.row));
1169 ZERO_SCROLLBACK(R); 1344 ZERO_SCROLLBACK ();
1170 row_offset = (int32_t)R->TermWin.saveLines;
1171 1345
1172 switch (mode) { 1346 switch (mode)
1347 {
1173 case 0: /* erase to end of screen */ 1348 case 0: /* erase to end of screen */
1174 rxvt_selection_check(aR_ 1);
1175 rxvt_scr_erase_line(aR_ 0); 1349 scr_erase_line (0);
1176 row = R->screen.cur.row + 1; /* possible OOB */ 1350 row = screen.cur.row + 1; /* possible OOB */
1177 num = R->TermWin.nrow - row; 1351 num = nrow - row;
1178 break; 1352 break;
1179 case 1: /* erase to beginning of screen */ 1353 case 1: /* erase to beginning of screen */
1180 rxvt_selection_check(aR_ 3);
1181 rxvt_scr_erase_line(aR_ 1); 1354 scr_erase_line (1);
1182 row = 0; 1355 row = 0;
1183 num = R->screen.cur.row; 1356 num = screen.cur.row;
1184 break; 1357 break;
1185 case 2: /* erase whole screen */ 1358 case 2: /* erase whole screen */
1186 rxvt_selection_check(aR_ 3);
1187#ifdef RXVT_GRAPHICS
1188 rxvt_Gr_ClearScreen(aR);
1189#endif
1190 row = 0; 1359 row = 0;
1191 num = R->TermWin.nrow; 1360 num = nrow;
1192 break; 1361 break;
1193 default: 1362 default:
1194 return; 1363 return;
1195 } 1364 }
1196 R->refresh_type |= REFRESH_BOUNDS; 1365
1197 if (R->selection.op && R->current_screen == R->selection.screen 1366 if (selection.op && current_screen == selection.screen
1198 && ((R->selection.beg.row >= row && R->selection.beg.row <= row + num) 1367 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1199 || (R->selection.end.row >= row 1368 || (selection.end.row >= row
1200 && R->selection.end.row <= row + num))) 1369 && selection.end.row <= row + num)))
1201 CLEAR_SELECTION(R); 1370 CLEAR_SELECTION ();
1371
1202 if (row >= R->TermWin.nrow) /* Out Of Bounds */ 1372 if (row >= nrow) /* Out Of Bounds */
1203 return; 1373 return;
1204 MIN_IT(num, (R->TermWin.nrow - row)); 1374
1375 min_it (num, nrow - row);
1376
1205 if (R->rstyle & (RS_RVid | RS_Uline)) 1377 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1206 ren = (rend_t) ~RS_None; 1378 ren = (rend_t) ~RS_None;
1207 else if (GET_BASEBG(R->rstyle) == Color_bg) { 1379 else if (GET_BASEBG (rstyle) == Color_bg)
1380 {
1208 ren = DEFAULT_RSTYLE; 1381 ren = DEFAULT_RSTYLE;
1209 CLEAR_ROWS(row, num); 1382
1210 } else { 1383 if (mapped)
1384 XClearArea (dpy, vt, 0,
1385 Row2Pixel (row - view_start), (unsigned int)vt_width,
1386 (unsigned int)Height2Pixel (num), False);
1387 }
1388 else
1389 {
1211 ren = (R->rstyle & (RS_fgMask | RS_bgMask)); 1390 ren = rstyle & (RS_fgMask | RS_bgMask);
1212 gcvalue.foreground = R->PixColors[GET_BGCOLOR(R->rstyle)]; 1391
1392 if (mapped)
1393 {
1394 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1213 XChangeGC(R->Xdisplay, R->TermWin.gc, GCForeground, &gcvalue); 1395 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1214 ERASE_ROWS(row, num); 1396 XFillRectangle (dpy, vt, gc,
1397 0, Row2Pixel (row - view_start),
1398 (unsigned int)vt_width,
1399 (unsigned int)Height2Pixel (num));
1215 gcvalue.foreground = R->PixColors[Color_fg]; 1400 gcvalue.foreground = pix_colors[Color_fg];
1216 XChangeGC(R->Xdisplay, R->TermWin.gc, GCForeground, &gcvalue); 1401 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1402 }
1217 } 1403 }
1404
1218 for (; num--; row++) { 1405 for (; num--; row++)
1219 rxvt_blank_screen_mem(aR_ R->screen.text, R->screen.rend,
1220 (unsigned int)(row + row_offset), R->rstyle);
1221 R->screen.tlen[row + row_offset] = 0;
1222 rxvt_blank_line(aR_
1223 R->drawn_text[row], R->drawn_rend[row],
1224 (unsigned int)R->TermWin.ncol, ren);
1225 } 1406 {
1407 scr_blank_screen_mem (ROW(row), rstyle);
1408
1409 if (row - view_start < nrow)
1410 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1411 }
1226} 1412}
1413
1414#if !ENABLE_MINIMAL
1415void
1416rxvt_term::scr_erase_savelines () noexcept
1417{
1418 want_refresh = 1;
1419 ZERO_SCROLLBACK ();
1420
1421 top_row = 0;
1422}
1423#endif
1227 1424
1228/* ------------------------------------------------------------------------- */ 1425/* ------------------------------------------------------------------------- */
1229/* 1426/*
1230 * Fill the screen with `E's 1427 * Fill the screen with `E's
1231 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1428 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1232 */ 1429 */
1233/* EXTPROTO */ 1430void ecb_cold
1234void 1431rxvt_term::scr_E () noexcept
1235rxvt_scr_E(pR)
1236{ 1432{
1237 int i, j, k; 1433 rend_t fs;
1238 rend_t *r1, fs;
1239 1434
1240 R->want_refresh = 1; 1435 want_refresh = 1;
1241 R->num_scr_allow = 0;
1242 ZERO_SCROLLBACK(R); 1436 ZERO_SCROLLBACK ();
1243 rxvt_selection_check(aR_ 3);
1244 1437
1245 fs = SET_FONT (R->rstyle, R->TermWin.fontset->find_font ('E')); 1438 num_scr_allow = 0;
1246 for (k = R->TermWin.saveLines, i = R->TermWin.nrow; i--; k++) { 1439
1247 R->screen.tlen[k] = R->TermWin.ncol; /* make the `E's selectable */ 1440 row_col_t pos;
1248 fill_text (R->screen.text[k], 'E', R->TermWin.ncol); 1441 pos.row = pos.col = 0;
1249 for (r1 = R->screen.rend[k], j = R->TermWin.ncol; j--; ) 1442 if (ROWCOL_IS_AFTER (selection.end, pos))
1443 CLEAR_SELECTION ();
1444
1445 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1446 for (int row = nrow; row--; )
1447 {
1448 line_t &line = ROW(row);
1449
1450 fill_text (line.t, 'E', ncol);
1451 rend_t *r1 = line.r;
1452
1453 for (int j = ncol; j--; )
1250 *r1++ = fs; 1454 *r1++ = fs;
1455
1456 line.is_longer (0);
1457 line.touch (ncol);
1251 } 1458 }
1252} 1459}
1253 1460
1254/* ------------------------------------------------------------------------- */ 1461/* ------------------------------------------------------------------------- */
1255/* 1462/*
1256 * Insert/Delete <count> lines 1463 * Insert/Delete <count> lines
1257 */ 1464 */
1258/* EXTPROTO */
1259void 1465void
1260rxvt_scr_insdel_lines(pR_ int count, int insdel) 1466rxvt_term::scr_insdel_lines (int count, int insdel) noexcept
1261{ 1467{
1262 int end; 1468 int end;
1263 1469
1264 ZERO_SCROLLBACK(R); 1470 ZERO_SCROLLBACK ();
1265 1471
1266#ifdef RXVT_GRAPHICS
1267 if (rxvt_Gr_Displayed(aR))
1268 rxvt_Gr_scroll(aR_ 0);
1269#endif
1270
1271 rxvt_selection_check(aR_ 1); 1472 selection_check (1);
1272 1473
1273 if (R->screen.cur.row > R->screen.bscroll) 1474 if (screen.cur.row > screen.bscroll)
1475 return;
1476
1477 end = screen.bscroll - screen.cur.row + 1;
1478 if (count > end)
1479 {
1480 if (insdel == DELETE)
1274 return; 1481 return;
1275
1276 end = R->screen.bscroll - R->screen.cur.row + 1;
1277 if (count > end) {
1278 if (insdel == DELETE)
1279 return;
1280 else if (insdel == INSERT) 1482 else if (insdel == INSERT)
1281 count = end; 1483 count = end;
1282 } 1484 }
1283 R->screen.flags &= ~Screen_WrapNext;
1284 1485
1486 scr_do_wrap ();
1487
1285 rxvt_scroll_text(aR_ R->screen.cur.row, R->screen.bscroll, insdel * count, 1488 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1286 0);
1287} 1489}
1288 1490
1289/* ------------------------------------------------------------------------- */ 1491/* ------------------------------------------------------------------------- */
1290/* 1492/*
1291 * Insert/Delete <count> characters from the current position 1493 * Insert/Delete <count> characters from the current position
1292 */ 1494 */
1293/* EXTPROTO */
1294void 1495void
1295rxvt_scr_insdel_chars(pR_ int count, int insdel) 1496rxvt_term::scr_insdel_chars (int count, int insdel) noexcept
1296{ 1497{
1297 int col, row;
1298 rend_t tr;
1299 text_t *stp;
1300 rend_t *srp;
1301 int16_t *slp;
1302
1303 R->want_refresh = 1; 1498 want_refresh = 1;
1304 ZERO_SCROLLBACK(R); 1499 ZERO_SCROLLBACK ();
1305 1500
1306#ifdef RXVT_GRAPHICS
1307 if (rxvt_Gr_Displayed(aR))
1308 rxvt_Gr_scroll(aR_ 0);
1309#endif
1310
1311 if (count <= 0) 1501 if (count <= 0)
1312 return; 1502 return;
1313 1503
1504 scr_do_wrap ();
1505
1314 rxvt_selection_check(aR_ 1); 1506 selection_check (1);
1315 MIN_IT(count, (R->TermWin.ncol - R->screen.cur.col)); 1507 min_it (count, ncol - screen.cur.col);
1316 1508
1317 row = R->screen.cur.row + R->TermWin.saveLines; 1509 int row = screen.cur.row;
1318 R->screen.flags &= ~Screen_WrapNext;
1319 1510
1320 stp = R->screen.text[row]; 1511 line_t *line = &ROW(row);
1321 srp = R->screen.rend[row]; 1512
1322 slp = &(R->screen.tlen[row]); 1513 line->touch ();
1514 line->is_longer (0);
1515
1516 // nuke wide spanning the start
1517 if (line->t[screen.cur.col] == NOCHAR)
1518 scr_kill_char (*line, screen.cur.col);
1519
1323 switch (insdel) { 1520 switch (insdel)
1521 {
1324 case INSERT: 1522 case INSERT:
1325 for (col = R->TermWin.ncol - 1; (col - count) >= R->screen.cur.col; 1523 line->l = min (line->l + count, ncol);
1326 col--) { 1524
1525 if (line->t[screen.cur.col] == NOCHAR)
1526 scr_kill_char (*line, screen.cur.col);
1527
1528 for (int col = ncol - 1; (col - count) >= screen.cur.col; col--)
1529 {
1327 stp[col] = stp[col - count]; 1530 line->t[col] = line->t[col - count];
1328 srp[col] = srp[col - count]; 1531 line->r[col] = line->r[col - count];
1329 } 1532 }
1330 if (*slp != -1) { 1533
1331 *slp += count;
1332 MIN_IT(*slp, R->TermWin.ncol);
1333 }
1334 if (R->selection.op && R->current_screen == R->selection.screen 1534 if (selection.op && current_screen == selection.screen
1335 && ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur)) { 1535 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1536 {
1336 if (R->selection.end.row != R->screen.cur.row 1537 if (selection.end.row != screen.cur.row
1337 || (R->selection.end.col + count >= R->TermWin.ncol)) 1538 || (selection.end.col + count >= ncol))
1338 CLEAR_SELECTION(R); 1539 CLEAR_SELECTION ();
1540 else
1541 {
1339 else { /* shift selection */ 1542 /* shift selection */
1340 R->selection.beg.col += count; 1543 selection.beg.col += count;
1341 R->selection.mark.col += count; /* XXX: yes? */ 1544 selection.mark.col += count; /* XXX: yes? */
1342 R->selection.end.col += count; 1545 selection.end.col += count;
1343 } 1546 }
1344 } 1547 }
1345 rxvt_blank_line(aR_ &(stp[R->screen.cur.col]), &(srp[R->screen.cur.col]), 1548
1346 (unsigned int)count, R->rstyle); 1549 scr_blank_line (*line, screen.cur.col, count, rstyle);
1347 break; 1550 break;
1551
1348 case ERASE: 1552 case ERASE:
1349 R->screen.cur.col += count; /* don't worry if > R->TermWin.ncol */ 1553 screen.cur.col += count; /* don't worry if > ncol */
1350 rxvt_selection_check(aR_ 1); 1554 selection_check (1);
1351 R->screen.cur.col -= count; 1555 screen.cur.col -= count;
1352 rxvt_blank_line(aR_ &(stp[R->screen.cur.col]), &(srp[R->screen.cur.col]), 1556
1353 (unsigned int)count, R->rstyle); 1557 // nuke wide char after the end
1558 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1559 scr_kill_char (*line, screen.cur.col + count);
1560
1561 scr_blank_line (*line, screen.cur.col, count, rstyle);
1354 break; 1562 break;
1563
1355 case DELETE: 1564 case DELETE:
1356 tr = srp[R->TermWin.ncol - 1] 1565 line->l = max (line->l - count, 0);
1357 & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1566
1567 // nuke wide char spanning the end
1568 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1569 scr_kill_char (*line, screen.cur.col + count);
1570
1358 for (col = R->screen.cur.col; (col + count) < R->TermWin.ncol; col++) { 1571 for (int col = screen.cur.col; (col + count) < ncol; col++)
1572 {
1359 stp[col] = stp[col + count]; 1573 line->t[col] = line->t[col + count];
1360 srp[col] = srp[col + count]; 1574 line->r[col] = line->r[col + count];
1361 } 1575 }
1362 rxvt_blank_line(aR_ 1576
1363 &(stp[R->TermWin.ncol - count]), 1577 scr_blank_line (*line, ncol - count, count, rstyle);
1364 &(srp[R->TermWin.ncol - count]), 1578
1365 (unsigned int)count, tr);
1366 if (*slp == -1) /* break line continuation */
1367 *slp = R->TermWin.ncol;
1368 *slp -= count;
1369 MAX_IT(*slp, 0);
1370 if (R->selection.op && R->current_screen == R->selection.screen 1579 if (selection.op && current_screen == selection.screen
1371 && ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur)) { 1580 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1581 {
1372 if (R->selection.end.row != R->screen.cur.row 1582 if (selection.end.row != screen.cur.row
1373 || (R->screen.cur.col >= R->selection.beg.col - count) 1583 || (screen.cur.col >= selection.beg.col - count)
1374 || R->selection.end.col >= R->TermWin.ncol) 1584 || selection.end.col >= ncol)
1375 CLEAR_SELECTION(R); 1585 CLEAR_SELECTION ();
1376 else { 1586 else
1587 {
1377 /* shift selection */ 1588 /* shift selection */
1378 R->selection.beg.col -= count; 1589 selection.beg.col -= count;
1379 R->selection.mark.col -= count; /* XXX: yes? */ 1590 selection.mark.col -= count; /* XXX: yes? */
1380 R->selection.end.col -= count; 1591 selection.end.col -= count;
1381 } 1592 }
1382 } 1593 }
1594
1383 break; 1595 break;
1384 } 1596 }
1385} 1597}
1386 1598
1387/* ------------------------------------------------------------------------- */ 1599/* ------------------------------------------------------------------------- */
1388/* 1600/*
1389 * Set the scrolling region 1601 * Set the scrolling region
1390 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1602 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1391 */ 1603 */
1392/* EXTPROTO */ 1604void ecb_cold
1393void
1394rxvt_scr_scroll_region(pR_ int top, int bot) 1605rxvt_term::scr_scroll_region (int top, int bot) noexcept
1395{ 1606{
1396 MAX_IT(top, 0); 1607 max_it (top, 0);
1397 MIN_IT(bot, (int)R->TermWin.nrow - 1); 1608 min_it (bot, nrow - 1);
1609
1398 if (top > bot) 1610 if (top > bot)
1399 return; 1611 return;
1612
1400 R->screen.tscroll = top; 1613 screen.tscroll = top;
1401 R->screen.bscroll = bot; 1614 screen.bscroll = bot;
1402 rxvt_scr_gotorc(aR_ 0, 0, 0); 1615 scr_gotorc (0, 0, 0);
1403} 1616}
1404 1617
1405/* ------------------------------------------------------------------------- */ 1618/* ------------------------------------------------------------------------- */
1406/* 1619/*
1407 * Make the cursor visible/invisible 1620 * Make the cursor visible/invisible
1408 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1621 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1409 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1622 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1410 */ 1623 */
1411/* EXTPROTO */ 1624void ecb_cold
1412void
1413rxvt_scr_cursor_visible(pR_ int mode) 1625rxvt_term::scr_cursor_visible (int mode) noexcept
1414{ 1626{
1415 R->want_refresh = 1; 1627 want_refresh = 1;
1628
1416 if (mode) 1629 if (mode)
1417 R->screen.flags |= Screen_VisibleCursor; 1630 screen.flags |= Screen_VisibleCursor;
1418 else 1631 else
1419 R->screen.flags &= ~Screen_VisibleCursor; 1632 screen.flags &= ~Screen_VisibleCursor;
1420} 1633}
1421 1634
1422/* ------------------------------------------------------------------------- */ 1635/* ------------------------------------------------------------------------- */
1423/* 1636/*
1424 * Set/unset automatic wrapping 1637 * Set/unset automatic wrapping
1425 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1638 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1426 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1639 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1427 */ 1640 */
1428/* EXTPROTO */ 1641void ecb_cold
1429void 1642rxvt_term::scr_autowrap (int mode) noexcept
1430rxvt_scr_autowrap(pR_ int mode)
1431{ 1643{
1432 if (mode) 1644 if (mode)
1433 R->screen.flags |= Screen_Autowrap; 1645 screen.flags |= Screen_Autowrap;
1434 else 1646 else
1435 R->screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1647 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1436} 1648}
1437 1649
1438/* ------------------------------------------------------------------------- */ 1650/* ------------------------------------------------------------------------- */
1439/* 1651/*
1440 * Set/unset margin origin mode 1652 * Set/unset margin origin mode
… …
1443 * Relative mode: line numbers are relative to top margin of scrolling region 1655 * Relative mode: line numbers are relative to top margin of scrolling region
1444 * and the cursor cannot be moved outside. 1656 * and the cursor cannot be moved outside.
1445 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1657 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1446 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1658 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1447 */ 1659 */
1448/* EXTPROTO */ 1660void ecb_cold
1449void
1450rxvt_scr_relative_origin(pR_ int mode) 1661rxvt_term::scr_relative_origin (int mode) noexcept
1451{ 1662{
1452 if (mode) 1663 if (mode)
1453 R->screen.flags |= Screen_Relative; 1664 screen.flags |= Screen_Relative;
1454 else 1665 else
1455 R->screen.flags &= ~Screen_Relative; 1666 screen.flags &= ~Screen_Relative;
1667
1456 rxvt_scr_gotorc(aR_ 0, 0, 0); 1668 scr_gotorc (0, 0, 0);
1457} 1669}
1458 1670
1459/* ------------------------------------------------------------------------- */ 1671/* ------------------------------------------------------------------------- */
1460/* 1672/*
1461 * Set insert/replace mode 1673 * Set insert/replace mode
1462 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1674 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1463 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1675 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1464 */ 1676 */
1465/* EXTPROTO */ 1677void ecb_cold
1466void
1467rxvt_scr_insert_mode(pR_ int mode) 1678rxvt_term::scr_insert_mode (int mode) noexcept
1468{ 1679{
1469 if (mode) 1680 if (mode)
1470 R->screen.flags |= Screen_Insert; 1681 screen.flags |= Screen_Insert;
1471 else 1682 else
1472 R->screen.flags &= ~Screen_Insert; 1683 screen.flags &= ~Screen_Insert;
1473} 1684}
1474 1685
1475/* ------------------------------------------------------------------------- */ 1686/* ------------------------------------------------------------------------- */
1476/* 1687/*
1477 * Set/Unset tabs 1688 * Set/Unset tabs
1478 * XTERM_SEQ: Set tab at current column : ESC H 1689 * XTERM_SEQ: Set tab at current column : ESC H
1479 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1690 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1480 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1691 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1481 */ 1692 */
1482/* EXTPROTO */ 1693void ecb_cold
1483void 1694rxvt_term::scr_set_tab (int mode) noexcept
1484rxvt_scr_set_tab(pR_ int mode)
1485{ 1695{
1486 if (mode < 0) 1696 if (mode < 0)
1487 MEMSET(R->tabs, 0, R->TermWin.ncol * sizeof(char)); 1697 memset (tabs, 0, ncol);
1488 else if (R->screen.cur.col < R->TermWin.ncol) 1698 else if (screen.cur.col < ncol)
1489 R->tabs[R->screen.cur.col] = (mode ? 1 : 0); 1699 tabs [screen.cur.col] = !!mode;
1490} 1700}
1491 1701
1492/* ------------------------------------------------------------------------- */ 1702/* ------------------------------------------------------------------------- */
1493/* 1703/*
1494 * Set reverse/normal video 1704 * Set reverse/normal video
1495 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1705 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1496 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1706 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1497 */ 1707 */
1498/* EXTPROTO */
1499void 1708void
1500rxvt_scr_rvideo_mode(pR_ int mode) 1709rxvt_term::scr_rvideo_mode (bool on) noexcept
1501{ 1710{
1711 rvideo_mode = on;
1712
1713#ifndef NO_BELL
1714 on ^= rvideo_bell;
1715#endif
1716
1717 if (rvideo_state != on)
1718 {
1719 rvideo_state = on;
1720
1721#if OFF_FOCUS_FADING
1722 if (rs[Rs_fade])
1723 {
1724 ::swap (pix_colors_focused[Color_fg], pix_colors_focused[Color_bg]);
1725 ::swap (pix_colors_unfocused[Color_fg], pix_colors_unfocused[Color_bg]);
1726 }
1727 else
1728#endif
1729 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1730#ifdef HAVE_IMG
1731 if (bg_img == 0)
1732#endif
1733 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1734
1502 XGCValues gcvalue; 1735 XGCValues gcvalue;
1503
1504 if (R->rvideo != mode) {
1505 R->rvideo = mode;
1506 SWAP_IT(R->PixColors[Color_fg], R->PixColors[Color_bg], rxvt_color);
1507#if defined(XPM_BACKGROUND)
1508 if (R->bgPixmap.pixmap == None)
1509#endif
1510#if defined(TRANSPARENT)
1511 if (!(R->Options & Opt_transparent) || R->am_transparent == 0)
1512#endif
1513 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1514 R->PixColors[Color_bg]);
1515
1516 gcvalue.foreground = R->PixColors[Color_fg]; 1736 gcvalue.foreground = pix_colors[Color_fg];
1517 gcvalue.background = R->PixColors[Color_bg]; 1737 gcvalue.background = pix_colors[Color_bg];
1518 XChangeGC(R->Xdisplay, R->TermWin.gc, GCBackground | GCForeground, 1738 XChangeGC (dpy, gc, GCBackground | GCForeground, &gcvalue);
1519 &gcvalue); 1739
1520 rxvt_scr_clear(aR); 1740 scr_clear ();
1521 rxvt_scr_touch(aR_ True); 1741 scr_touch (true);
1522 } 1742 }
1523} 1743}
1524 1744
1525/* ------------------------------------------------------------------------- */ 1745/* ------------------------------------------------------------------------- */
1526/* 1746/*
1527 * Report current cursor position 1747 * Report current cursor position
1528 * XTERM_SEQ: Report position: ESC [ 6 n 1748 * XTERM_SEQ: Report position: ESC [ 6 n
1529 */ 1749 */
1530/* EXTPROTO */ 1750void ecb_cold
1531void 1751rxvt_term::scr_report_position () noexcept
1532rxvt_scr_report_position(pR)
1533{ 1752{
1534 R->tt_printf("\033[%d;%dR", R->screen.cur.row + 1, R->screen.cur.col + 1); 1753 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1535} 1754}
1536 1755
1537/* ------------------------------------------------------------------------- * 1756/* ------------------------------------------------------------------------- *
1538 * FONTS * 1757 * FONTS *
1539 * ------------------------------------------------------------------------- */ 1758 * ------------------------------------------------------------------------- */
1540 1759
1541/* 1760/*
1542 * Set font style 1761 * Set font style
1543 */ 1762 */
1544/* INTPROTO */ 1763void ecb_cold
1545void 1764rxvt_term::set_font_style () noexcept
1546rxvt_set_font_style(pR)
1547{ 1765{
1766#if 0
1548 switch (R->charsets[R->screen.charset]) { 1767 switch (charsets [screen.charset])
1768 {
1549 case '0': /* DEC Special Character & Line Drawing Set */ 1769 case '0': /* DEC Special Character & Line Drawing Set */
1550 break; 1770 break;
1551 case 'A': /* United Kingdom (UK) */ 1771 case 'A': /* United Kingdom (UK) */
1552 break; 1772 break;
1553 case 'B': /* United States (USASCII) */ 1773 case 'B': /* United States (USASCII) */
1554 break; 1774 break;
1555 case '<': /* Multinational character set */ 1775 case '<': /* Multinational character set */
1556 break; 1776 break;
1557 case '5': /* Finnish character set */ 1777 case '5': /* Finnish character set */
1558 break; 1778 break;
1559 case 'C': /* Finnish character set */ 1779 case 'C': /* Finnish character set */
1560 break; 1780 break;
1561 case 'K': /* German character set */ 1781 case 'K': /* German character set */
1562 break; 1782 break;
1563 } 1783 }
1784#endif
1564} 1785}
1565 1786
1566/* ------------------------------------------------------------------------- */ 1787/* ------------------------------------------------------------------------- */
1567/* 1788/*
1568 * Choose a font 1789 * Choose a font
1569 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1790 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1570 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1791 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1571 * XTERM_SEQ: Invoke G2 character set: ESC N 1792 * XTERM_SEQ: Invoke G2 character set: ESC N
1572 * XTERM_SEQ: Invoke G3 character set: ESC O 1793 * XTERM_SEQ: Invoke G3 character set: ESC O
1573 */ 1794 */
1574/* EXTPROTO */ 1795void ecb_cold
1575void
1576rxvt_scr_charset_choose(pR_ int set) 1796rxvt_term::scr_charset_choose (int set) noexcept
1577{ 1797{
1578 R->screen.charset = set; 1798 screen.charset = set;
1579 rxvt_set_font_style(aR); 1799 set_font_style ();
1580} 1800}
1581 1801
1582/* ------------------------------------------------------------------------- */ 1802/* ------------------------------------------------------------------------- */
1583/* 1803/*
1584 * Set a font 1804 * Set a font
… …
1586 * XTERM_SEQ: Set G1 character set: ESC ) <C> 1806 * XTERM_SEQ: Set G1 character set: ESC ) <C>
1587 * XTERM_SEQ: Set G2 character set: ESC * <C> 1807 * XTERM_SEQ: Set G2 character set: ESC * <C>
1588 * XTERM_SEQ: Set G3 character set: ESC + <C> 1808 * XTERM_SEQ: Set G3 character set: ESC + <C>
1589 * See set_font_style for possible values for <C> 1809 * See set_font_style for possible values for <C>
1590 */ 1810 */
1591/* EXTPROTO */
1592void 1811void
1593rxvt_scr_charset_set(pR_ int set, unsigned int ch) 1812rxvt_term::scr_charset_set (int set, unsigned int ch) noexcept
1594{ 1813{
1595 R->charsets[set] = (unsigned char)ch; 1814 charsets[set] = (unsigned char)ch;
1596 rxvt_set_font_style(aR); 1815 set_font_style ();
1597} 1816}
1598 1817
1599
1600/* ------------------------------------------------------------------------- *
1601 * GRAPHICS COLOURS *
1602 * ------------------------------------------------------------------------- */
1603
1604#ifdef RXVT_GRAPHICS
1605/* EXTPROTO */
1606int
1607rxvt_scr_get_fgcolor(pR)
1608{
1609 return GET_FGCOLOR(R->rstyle);
1610}
1611
1612/* ------------------------------------------------------------------------- */
1613/* EXTPROTO */
1614int
1615rxvt_scr_get_bgcolor(pR)
1616{
1617 return GET_BGCOLOR(R->rstyle);
1618}
1619#endif
1620 1818
1621/* ------------------------------------------------------------------------- * 1819/* ------------------------------------------------------------------------- *
1622 * MAJOR SCREEN MANIPULATION * 1820 * MAJOR SCREEN MANIPULATION *
1623 * ------------------------------------------------------------------------- */ 1821 * ------------------------------------------------------------------------- */
1624 1822
1625/* 1823/*
1824 * refresh matching text.
1825 */
1826bool ecb_cold
1827rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) noexcept
1828{
1829 bool found = false;
1830
1831 for (int i = 0; i < nrow; i++)
1832 {
1833 rend_t *drp = drawn_buf[i].r;
1834
1835 for (int col = 0; col < ncol; col++, drp++)
1836 if ((*drp & mask) == value)
1837 {
1838 found = true;
1839 *drp = ~value;
1840 }
1841 }
1842
1843 return found;
1844}
1845
1846/*
1626 * Refresh an area 1847 * Refresh an area
1627 */ 1848 */
1628enum { 1849enum {
1629 PART_BEG = 0, 1850 PART_BEG = 0,
1630 PART_END, 1851 PART_END,
1631 RC_COUNT 1852 RC_COUNT
1632}; 1853};
1633 1854
1634/* EXTPROTO */ 1855void ecb_hot
1635void
1636rxvt_scr_expose(pR_ int x, int y, int width, int height, Bool refresh) 1856rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) noexcept
1637{ 1857{
1638 int i; 1858 int i;
1639 row_col_t rc[RC_COUNT]; 1859 row_col_t rc[RC_COUNT];
1640 1860
1641 if (R->drawn_text == NULL) /* sanity check */ 1861 if (!drawn_buf) /* sanity check */
1642 return; 1862 return;
1643 1863
1644#ifdef DEBUG_STRICT 1864#ifndef NO_SLOW_LINK_SUPPORT
1645 x = max(x, (int)R->TermWin.int_bwidth); 1865 if (refresh_type == FAST_REFRESH && !display->is_local)
1646 x = min(x, (int)R->TermWin.width); 1866 {
1647 y = max(y, (int)R->TermWin.int_bwidth); 1867 y = 0;
1648 y = min(y, (int)R->TermWin.height); 1868 eheight = height;
1869 }
1649#endif 1870#endif
1650 1871
1651/* round down */ 1872 /* round down */
1652 rc[PART_BEG].col = Pixel2Col(x); 1873 rc[PART_BEG].col = Pixel2Col (x);
1653 rc[PART_BEG].row = Pixel2Row(y); 1874 rc[PART_BEG].row = Pixel2Row (y);
1654/* round up */ 1875 /* round up */
1655 rc[PART_END].col = Pixel2Width(x + width + R->TermWin.fwidth - 1); 1876 rc[PART_END].col = Pixel2Width (x + ewidth + fwidth - 1);
1656 rc[PART_END].row = Pixel2Row(y + height + R->TermWin.fheight - 1); 1877 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1657 1878
1658/* sanity checks */ 1879 /* sanity checks */
1659 for (i = PART_BEG; i < RC_COUNT; i++) { 1880 for (i = PART_BEG; i < RC_COUNT; i++)
1660 MIN_IT(rc[i].col, R->TermWin.ncol - 1);
1661 MIN_IT(rc[i].row, R->TermWin.nrow - 1);
1662 } 1881 {
1882 min_it (rc[i].col, ncol - 1);
1883 min_it (rc[i].row, nrow - 1);
1884 }
1663 1885
1664 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));
1665
1666 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1886 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1667 fill_text (&(R->drawn_text[i][rc[PART_BEG].col]), 0, 1887 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1668 (rc[PART_END].col - rc[PART_BEG].col + 1));
1669 1888
1889 num_scr_allow = 0;
1890
1670 if (refresh) 1891 if (refresh)
1671 rxvt_scr_refresh(aR_ SLOW_REFRESH | REFRESH_BOUNDS); 1892 scr_refresh ();
1672} 1893}
1673 1894
1674/* ------------------------------------------------------------------------- */ 1895/* ------------------------------------------------------------------------- */
1675/* 1896/*
1676 * Refresh the entire screen 1897 * Refresh the entire screen
1677 */ 1898 */
1678/* EXTPROTO */
1679void 1899void
1680rxvt_scr_touch(pR_ Bool refresh) 1900rxvt_term::scr_touch (bool refresh) noexcept
1681{ 1901{
1682 rxvt_scr_expose(aR_ 0, 0, R->TermWin.width, R->TermWin.height, refresh); 1902 scr_expose (0, 0, vt_width, vt_height, refresh);
1683} 1903}
1684 1904
1685/* ------------------------------------------------------------------------- */ 1905/* ------------------------------------------------------------------------- */
1686/* 1906/*
1687 * Move the display so that the line represented by scrollbar value Y is at 1907 * Move the display so that the line represented by scrollbar value Y is at
1688 * the top of the screen 1908 * the top of the screen
1689 */ 1909 */
1690/* EXTPROTO */ 1910void
1691int
1692rxvt_scr_move_to(pR_ int y, int len) 1911rxvt_term::scr_move_to (int y, int len) noexcept
1693{ 1912{
1694 long p = 0; 1913 // lerp (y, 0, len, top_row, nrow - 1)
1695 uint16_t oldviewstart; 1914 scr_changeview (top_row + (nrow - 1 - top_row) * y / len);
1696
1697 oldviewstart = R->TermWin.view_start;
1698 if (y < len) {
1699 p = (R->TermWin.nrow + R->TermWin.nscrolled) * (len - y) / len;
1700 p -= (long)(R->TermWin.nrow - 1);
1701 p = max(p, 0);
1702 }
1703 R->TermWin.view_start = (uint16_t)min(p, R->TermWin.nscrolled);
1704 D_SCREEN((stderr, "rxvt_scr_move_to(%d, %d) view_start:%d", y, len, R->TermWin.view_start));
1705
1706 return rxvt_scr_changeview(aR_ oldviewstart);
1707} 1915}
1708 1916
1709/* ------------------------------------------------------------------------- */ 1917/* ------------------------------------------------------------------------- */
1710/* 1918/*
1711 * Page the screen up/down nlines 1919 * Page the screen up/down nlines
1712 * direction should be UP or DN 1920 * direction should be UP or DN
1713 */ 1921 */
1714/* EXTPROTO */ 1922bool
1715int 1923rxvt_term::scr_page (int nlines) noexcept
1716rxvt_scr_page(pR_ enum page_dirn direction, int nlines)
1717{ 1924{
1718 int n; 1925 return scr_changeview (view_start - nlines);
1719 uint16_t oldviewstart;
1720
1721 D_SCREEN((stderr, "rxvt_scr_page(%s, %d) view_start:%d", ((direction == UP) ? "UP" : "DN"), nlines, R->TermWin.view_start));
1722#ifdef DEBUG_STRICT
1723 assert((nlines >= 0) && (nlines <= R->TermWin.nrow));
1724#endif
1725 oldviewstart = R->TermWin.view_start;
1726 if (direction == UP) {
1727 n = R->TermWin.view_start + nlines;
1728 R->TermWin.view_start = min(n, R->TermWin.nscrolled);
1729 } else {
1730 n = R->TermWin.view_start - nlines;
1731 R->TermWin.view_start = max(n, 0);
1732 }
1733 return rxvt_scr_changeview(aR_ oldviewstart);
1734} 1926}
1735 1927
1736/* INTPROTO */ 1928bool
1737int 1929rxvt_term::scr_changeview (int new_view_start) noexcept
1738rxvt_scr_changeview(pR_ uint16_t oldviewstart)
1739{ 1930{
1740 if (R->TermWin.view_start != oldviewstart) { 1931 clamp_it (new_view_start, top_row, 0);
1932
1933 if (new_view_start == view_start)
1934 return false;
1935
1936 num_scr += new_view_start - view_start;
1937 view_start = new_view_start;
1741 R->want_refresh = 1; 1938 want_refresh = 1;
1742#ifdef RXVT_GRAPHICS
1743 if (rxvt_Gr_Displayed(aR))
1744 rxvt_Gr_scroll(aR_ 0);
1745#endif
1746 R->num_scr -= (R->TermWin.view_start - oldviewstart);
1747 }
1748 return (int)(R->TermWin.view_start - oldviewstart);
1749}
1750 1939
1751/* ------------------------------------------------------------------------- */ 1940 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1752/* EXTPROTO */ 1941
1753void 1942 return true;
1754rxvt_scr_bell(pR) 1943}
1755{ 1944
1756#ifndef NO_BELL 1945#ifndef NO_BELL
1946void
1947rxvt_term::bell_cb (ev::timer &w, int revents)
1948{
1949 rvideo_bell = false;
1950 scr_rvideo_mode (rvideo_mode);
1951 refresh_check ();
1952}
1953#endif
1954
1955/* ------------------------------------------------------------------------- */
1956void
1957rxvt_term::scr_bell () noexcept
1958{
1959#ifndef NO_BELL
1960
1757# ifndef NO_MAPALERT 1961# ifndef NO_MAPALERT
1758# ifdef MAPALERT_OPTION 1962# ifdef MAPALERT_OPTION
1759 if (R->Options & Opt_mapAlert) 1963 if (option (Opt_mapAlert))
1760# endif 1964# endif
1761 XMapWindow(R->Xdisplay, R->TermWin.parent[0]); 1965 XMapWindow (dpy, parent);
1762# endif 1966# endif
1763 if (R->Options & Opt_visualBell) { 1967
1764 rxvt_scr_rvideo_mode(aR_ !R->rvideo); /* refresh also done */ 1968# if ENABLE_FRILLS
1765 rxvt_scr_rvideo_mode(aR_ !R->rvideo); /* refresh also done */ 1969 if (option (Opt_urgentOnBell))
1766 } else 1970 set_urgency (1);
1767 XBell(R->Xdisplay, 0);
1768#endif 1971# endif
1769}
1770 1972
1973 if (option (Opt_visualBell))
1974 {
1975 rvideo_bell = true;
1976 scr_rvideo_mode (rvideo_mode);
1977 flush ();
1978
1979 bell_ev.start (VISUAL_BELL_DURATION);
1980 }
1981 else
1982 XBell (dpy, 0);
1983 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1984#endif
1985}
1986
1771/* ------------------------------------------------------------------------- */ 1987/* ------------------------------------------------------------------------- */
1772/* ARGSUSED */ 1988void ecb_cold
1773/* EXTPROTO */
1774void
1775rxvt_scr_printscreen(pR_ int fullhist) 1989rxvt_term::scr_printscreen (int fullhist) noexcept
1776{ 1990{
1777#ifdef PRINTPIPE 1991#ifdef PRINTPIPE
1778 int i, r1, nrows, row_offset; 1992 int nrows, row_start;
1779 text_t *t; 1993 FILE *fd = popen_printer ();
1780 FILE *fd;
1781 1994
1782 if ((fd = rxvt_popen_printer(aR)) == NULL) 1995 if (!fd)
1783 return; 1996 return;
1784 nrows = R->TermWin.nrow; 1997
1785 row_offset = R->TermWin.saveLines;
1786 if (!fullhist) 1998 if (fullhist)
1787 row_offset -= R->TermWin.view_start;
1788 else {
1789 nrows += R->TermWin.nscrolled;
1790 row_offset -= R->TermWin.nscrolled;
1791 } 1999 {
1792 2000 nrows = nrow - top_row;
1793 for (r1 = 0; r1 < nrows; r1++) { 2001 row_start = top_row;
1794 t = R->screen.text[r1 + row_offset]; 2002 }
1795 for (i = R->TermWin.ncol - 1; i >= 0; i--) 2003 else
1796 if (!isspace(t[i]))
1797 break;
1798 fprintf(fd, "%.*s\n", (i + 1), t);
1799 } 2004 {
2005 nrows = nrow;
2006 row_start = view_start;
2007 }
2008
2009 wctomb (0, 0);
2010
2011 for (int r1 = row_start; r1 < row_start + nrows; r1++)
2012 {
2013 text_t *tp = ROW(r1).t;
2014 int len = ROW(r1).l;
2015
2016 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
2017 {
2018 char mb[MB_LEN_MAX];
2019 text_t t = *tp++;
2020 if (t == NOCHAR)
2021 continue;
2022
2023 len = wctomb (mb, t);
2024
2025 if (len <= 0)
2026 {
2027 mb[0] = ' ';
2028 len = 1;
2029 }
2030
2031 fwrite (mb, 1, len, fd);
2032 }
2033
2034 fputc ('\n', fd);
2035 }
2036
1800 rxvt_pclose_printer(fd); 2037 pclose_printer (fd);
1801#endif 2038#endif
1802} 2039}
1803 2040
1804/* ------------------------------------------------------------------------- */ 2041/* ------------------------------------------------------------------------- */
1805/* 2042/*
1806 * Refresh the screen 2043 * Refresh the screen
1807 * R->drawn_text/R->drawn_rend contain the screen information before the update. 2044 * drawn_text/drawn_rend contain the screen information before the update.
1808 * R->screen.text/R->screen.rend contain what the screen will change to. 2045 * screen.text/screen.rend contain what the screen will change to.
2046 */
2047void ecb_hot
2048rxvt_term::scr_refresh () noexcept
2049{
2050 int16_t col, row, /* column/row we're processing */
2051 ocrow; /* old cursor row */
2052 int i; /* tmp */
2053 rend_t ccol1, /* Cursor colour */
2054 ccol2; /* Cursor colour2 */
2055 rend_t cur_rend;
2056 int cur_col;
2057 int cursorwidth;
2058
2059 want_refresh = 0; /* screen is current */
2060
2061 if (refresh_type == NO_REFRESH || !mapped)
2062 return;
2063
2064 /*
2065 * A: set up vars
1809 */ 2066 */
2067 refresh_count = 0;
1810 2068
1811#if defined (NO_BRIGHTCOLOR) || defined (VERYBOLD) 2069 unsigned int old_screen_flags = screen.flags;
1812# define MONO_BOLD(x) ((x) & (RS_Bold|RS_Blink)) 2070 bool have_bg = 0;
1813# define MONO_BOLD_FG(x, fg) MONO_BOLD(x) 2071#ifdef HAVE_IMG
2072 have_bg = bg_img != 0;
2073#endif
2074 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2075
2076 /*
2077 * B: reverse any characters which are selected
2078 */
2079 scr_reverse_selection ();
2080
2081 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2082#if ENABLE_OVERLAY
2083 scr_swap_overlay ();
2084#endif
2085
2086 bool showcursor = screen.flags & Screen_VisibleCursor;
2087
2088 /*
2089 * C: set the cursor character (s)
2090 */
2091 {
2092#ifdef CURSOR_BLINK
2093 if (hidden_cursor)
2094 showcursor = 0;
2095#endif
2096
2097 if (showcursor)
2098 {
2099 int col = screen.cur.col;
2100
2101 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2102 col--;
2103
2104 cursorwidth = 1;
2105 while (col + cursorwidth < ncol
2106 && ROW(screen.cur.row).t[col + cursorwidth] == NOCHAR)
2107 cursorwidth++;
2108
2109 cur_rend = ROW(screen.cur.row).r[col];
2110 cur_col = col;
2111
2112#ifndef NO_CURSORCOLOR
2113 if (ISSET_PIXCOLOR (Color_cursor))
2114 ccol1 = Color_cursor;
2115 else
2116#endif
2117#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2118 ccol1 = fgcolor_of (rstyle);
1814#else 2119#else
1815# define MONO_BOLD(x) \ 2120 ccol1 = Color_fg;
1816 (((x) & (RS_Bold | RS_fgMask)) == (RS_Bold | Color_fg))
1817# define MONO_BOLD_FG(x, fg) (((x) & RS_Bold) && (fg) == Color_fg)
1818#endif 2121#endif
1819 2122
1820#define FONT_WIDTH(X, Y) \
1821 (X)->per_char[(Y) - (X)->min_char_or_byte2].width
1822#define FONT_RBEAR(X, Y) \
1823 (X)->per_char[(Y) - (X)->min_char_or_byte2].rbearing
1824#define FONT_LBEAR(X, Y) \
1825 (X)->per_char[(Y) - (X)->min_char_or_byte2].lbearing
1826#define IS_FONT_CHAR(X, Y) \
1827 ((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2)
1828
1829/* EXTPROTO */
1830void
1831rxvt_scr_refresh(pR_ unsigned char refresh_type)
1832{
1833 unsigned char clearfirst, /* first character writes before cell */
1834 clearlast, /* last character writes beyond cell */
1835 must_clear, /* use draw_string not draw_image_string */
1836#ifndef NO_BOLDFONT
1837 bfont, /* we've changed font to bold font */
1838#endif
1839 rvid, /* reverse video this position */
1840 wbyte, /* we're in multibyte */
1841 showcursor; /* show the cursor */
1842 int fore, back; /* desired foreground/background */
1843 int16_t col, row, /* column/row we're processing */
1844 ocrow; /* old cursor row */
1845 int cursorwidth;
1846 int i, /* tmp */
1847 row_offset; /* basic offset in screen structure */
1848#ifndef NO_CURSORCOLOR 2123#ifndef NO_CURSORCOLOR
1849 rend_t cc1; /* store colours at cursor position(s) */
1850 rend_t cc2; /* store colours at cursor position(s) */
1851#endif
1852 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */
1853 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */
1854 char *buffer; /* local copy of R->buffer */
1855
1856 if (refresh_type == NO_REFRESH || !R->TermWin.mapped)
1857 return;
1858
1859 /*
1860 * A: set up vars
1861 */
1862 clearfirst = clearlast = must_clear = wbyte = 0;
1863#ifndef NO_BOLDFONT
1864 bfont = 0;
1865#endif
1866
1867 if (R->currmaxcol < R->TermWin.ncol)
1868 {
1869 R->currmaxcol = R->TermWin.ncol;
1870 R->buffer = (char *)rxvt_realloc (R->buffer,
1871 sizeof(char) * (R->currmaxcol + 1) * MB_CUR_MAX);
1872 }
1873
1874 buffer = R->buffer;
1875 R->refresh_count = 0;
1876
1877 row_offset = R->TermWin.saveLines - R->TermWin.view_start;
1878
1879 if ((refresh_type & REFRESH_BOUNDS))
1880 {
1881 clearfirst = clearlast = 1;
1882 R->refresh_type &= ~REFRESH_BOUNDS;
1883 }
1884
1885#if defined(XPM_BACKGROUND)
1886 must_clear |= (R->bgPixmap.pixmap != None);
1887#endif
1888#if defined(TRANSPARENT)
1889 must_clear |= ((R->Options & Opt_transparent) && R->am_transparent);
1890#endif
1891 ocrow = R->oldcursor.row; /* is there an old outline cursor on screen? */
1892
1893/*
1894 * B: reverse any characters which are selected
1895 */
1896 rxvt_scr_reverse_selection(aR);
1897
1898/*
1899 * C: set the cursor character(s)
1900 */
1901 {
1902 unsigned char setoldcursor;
1903 rend_t ccol1, /* Cursor colour */
1904 ccol2; /* Cursor colour2 */
1905
1906 showcursor = (R->screen.flags & Screen_VisibleCursor);
1907 cursorwidth = 0;
1908#ifdef CURSOR_BLINK
1909 if (R->hidden_cursor)
1910 showcursor = 0;
1911#endif
1912
1913 cursorwidth = 0;
1914
1915 if (showcursor)
1916 {
1917 cursorwidth++;
1918
1919 srp = &(R->screen.rend[R->screen.cur.row + R->TermWin.saveLines]
1920 [R->screen.cur.col]);
1921
1922 if (showcursor && R->TermWin.focus)
1923 {
1924 *srp ^= RS_RVid;
1925#ifndef NO_CURSORCOLOR
1926 cc1 = *srp & (RS_fgMask | RS_bgMask);
1927 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_cursor)) 2124 if (ISSET_PIXCOLOR (Color_cursor2))
1928 ccol1 = Color_cursor; 2125 ccol2 = Color_cursor2;
1929 else 2126 else
2127#endif
1930#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2128#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1931 ccol1 = GET_FGCOLOR(R->rstyle); 2129 ccol2 = bgcolor_of (rstyle);
1932#else 2130#else
1933 ccol1 = Color_fg;
1934#endif
1935 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_cursor2))
1936 ccol2 = Color_cursor2;
1937 else
1938#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1939 ccol2 = GET_BGCOLOR(R->rstyle);
1940#else
1941 ccol2 = Color_bg; 2131 ccol2 = Color_bg;
1942#endif 2132#endif
1943 *srp = SET_FGCOLOR(*srp, ccol1);
1944 *srp = SET_BGCOLOR(*srp, ccol2);
1945#endif
1946 }
1947 2133
1948 while (IS_WIDE (*srp)) 2134 if (focus && cursor_type == 0)
1949 cursorwidth++, srp++;
1950 }
1951
1952 /* make sure no outline cursor is left around */
1953 setoldcursor = 0;
1954 if (ocrow != -1) {
1955 if (R->screen.cur.row + R->TermWin.view_start != ocrow
1956 || R->screen.cur.col != R->oldcursor.col) {
1957 if (ocrow < R->TermWin.nrow
1958 && R->oldcursor.col < R->TermWin.ncol) {
1959 R->drawn_rend[ocrow][R->oldcursor.col] ^= (RS_RVid | RS_Uline);
1960 }
1961 if (R->TermWin.focus || !showcursor)
1962 R->oldcursor.row = -1;
1963 else
1964 setoldcursor = 1;
1965 } 2135 {
1966 } else if (!R->TermWin.focus) 2136 rend_t rend = cur_rend;
1967 setoldcursor = 1; 2137
1968 if (setoldcursor) { 2138 rend ^= RS_RVid;
1969 if (R->screen.cur.row + R->TermWin.view_start >= R->TermWin.nrow) 2139 rend = SET_FGCOLOR (rend, ccol1);
1970 R->oldcursor.row = -1; 2140 rend = SET_BGCOLOR (rend, ccol2);
1971 else { 2141
1972 R->oldcursor.row = R->screen.cur.row + R->TermWin.view_start; 2142 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
1973 R->oldcursor.col = R->screen.cur.col;
1974 } 2143 }
1975 } 2144 }
2145
2146 /* make sure no outline cursor is left around */
2147 if (ocrow != -1 && ocrow < nrow && oldcursor.col < ncol)
2148 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2149
2150 // save the current cursor coordinates if the cursor is visible
2151 // and either the window is unfocused or the cursor style is
2152 // underline or vertical bar, so as to clear the outline cursor in
2153 // the next refresh if the cursor moves or becomes invisible
2154 if (showcursor && (!focus || cursor_type != 0) && screen.cur.row - view_start < nrow)
2155 {
2156 oldcursor.row = screen.cur.row - view_start;
2157 oldcursor.col = screen.cur.col;
1976 } 2158 }
2159 else
2160 oldcursor.row = -1;
2161 }
1977 2162
1978#ifndef NO_SLOW_LINK_SUPPORT 2163#ifndef NO_SLOW_LINK_SUPPORT
1979/* 2164 /*
1980 * D: CopyArea pass - very useful for slower links 2165 * D: CopyArea pass - very useful for slower links
1981 * This has been deliberately kept simple. 2166 * This has been deliberately kept simple.
1982 */ 2167 */
1983 i = R->num_scr; 2168 if (!display->is_local
1984 if (refresh_type == FAST_REFRESH && R->num_scr_allow && i 2169 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
1985 && abs(i) < R->TermWin.nrow && !must_clear) 2170 && abs (num_scr) < nrow && !have_bg)
1986 { 2171 {
1987 int16_t nits; 2172 int16_t nits;
1988 int j; 2173 int i = num_scr;
1989 rend_t *drp2; 2174 int j;
1990 text_t *dtp2; 2175 int len, wlen;
1991 int len, wlen;
1992 2176
1993 j = R->TermWin.nrow; 2177 j = nrow;
1994 wlen = len = -1; 2178 wlen = len = -1;
1995 row = i > 0 ? 0 : j - 1; 2179 row = i > 0 ? 0 : j - 1;
2180
1996 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2181 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
1997 { 2182 {
1998 if (row + i >= 0 && row + i < R->TermWin.nrow && row + i != ocrow) 2183 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
1999 { 2184 {
2000 stp = R->screen.text[row + row_offset]; 2185 line_t s = ROW(view_start + row);
2001 srp = R->screen.rend[row + row_offset];
2002 dtp = R->drawn_text[row]; 2186 line_t d = drawn_buf[row];
2003 dtp2 = R->drawn_text[row + i]; 2187 line_t d2 = drawn_buf[row + i];
2004 drp = R->drawn_rend[row];
2005 drp2 = R->drawn_rend[row + i];
2006 2188
2007 for (nits = 0, col = R->TermWin.ncol; col--; ) 2189 for (nits = 0, col = ncol; col--; )
2008 if (stp[col] != dtp2[col] || srp[col] != drp2[col]) 2190 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
2009 nits--; 2191 nits--;
2010 else if (stp[col] != dtp[col] || srp[col] != drp[col]) 2192 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
2011 nits++; 2193 nits++;
2012 2194
2013 if (nits > 8) /* XXX: arbitrary choice */ 2195 if (nits > 8) /* XXX: arbitrary choice */
2196 {
2197 for (col = ncol; col--; )
2198 {
2199 *d.t++ = *d2.t++;
2200 *d.r++ = *d2.r++;
2201 }
2202
2203 if (len == -1)
2204 len = row;
2205
2206 wlen = row;
2207 continue;
2208 }
2209 }
2210
2211 if (len >= 0)
2212 {
2213 /* also comes here at end if needed because of >= above */
2214 if (wlen < len)
2215 ::swap (wlen, len);
2216
2217 XGCValues gcv;
2218
2219 gcv.graphics_exposures = 1; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2220 XCopyArea (dpy, vt, vt,
2221 gc, 0, Row2Pixel (len + i),
2222 (unsigned int)this->width,
2223 (unsigned int)Height2Pixel (wlen - len + 1),
2224 0, Row2Pixel (len));
2225 gcv.graphics_exposures = 0; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2226
2227 len = -1;
2228 }
2229 }
2230 }
2231#endif
2232
2233 /*
2234 * E: main pass across every character
2235 */
2236 for (row = 0; row < nrow; row++)
2237 {
2238 text_t *stp = ROW(view_start + row).t;
2239 rend_t *srp = ROW(view_start + row).r;
2240 text_t *dtp = drawn_buf[row].t;
2241 rend_t *drp = drawn_buf[row].r;
2242
2243 /*
2244 * E2: OK, now the real pass
2245 */
2246 int ypixel = (int)Row2Pixel (row);
2247
2248 for (col = 0; col < ncol; col++)
2249 {
2250 /* compare new text with old - if exactly the same then continue */
2251 if (stp[col] == dtp[col] && RS_SAME (srp[col], drp[col]))
2252 continue;
2253
2254 // redraw one or more characters
2255
2256 // seek to the beginning of wide characters
2257 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2258 --col;
2259
2260 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2261 text_t *text = stp + col;
2262 int count = 1;
2263
2264 dtp[col] = stp[col];
2265 drp[col] = rend;
2266
2267 int xpixel = Col2Pixel (col);
2268
2269 for (i = 0; ++col < ncol; )
2270 {
2271 if (stp[col] == NOCHAR)
2272 {
2273 dtp[col] = stp[col];
2274 drp[col] = srp[col];
2275
2276 count++;
2277 i++;
2278
2279 continue;
2280 }
2281
2282 if (!RS_SAME (rend, srp[col]))
2283 break;
2284
2285 count++;
2286
2287 if (stp[col] != dtp[col]
2288 || !RS_SAME (srp[col], drp[col]))
2289 {
2290 if (have_bg && (i++ > count / 2))
2291 break;
2292
2293 dtp[col] = stp[col];
2294 drp[col] = rend;
2295 i = 0;
2296 }
2297 else if (have_bg || (stp[col] != ' ' && ++i >= 16))
2298 break;
2299 }
2300
2301 col--; /* went one too far. move back */
2302 count -= i; /* dump any matching trailing chars */
2303
2304 // sometimes we optimize away the trailing NOCHAR's, add them back
2305 while (ecb_unlikely (i && text[count] == NOCHAR))
2306 count++, i--;
2307
2308 /*
2309 * Determine the attributes for the string
2310 */
2311 int fore = fgcolor_of (rend); // desired foreground
2312 int back = bgcolor_of (rend); // desired background
2313
2314 // only do special processing if any attributes are set, which is unlikely
2315 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2316 {
2317 bool invert = rend & RS_RVid;
2318
2319#ifndef NO_BOLD_UNDERLINE_REVERSE
2320 if (rend & RS_Bold && fore == Color_fg)
2321 {
2322 if (ISSET_PIXCOLOR (Color_BD))
2323 fore = Color_BD;
2324# if !ENABLE_STYLES
2325 else
2326 invert = !invert;
2327# endif
2328 }
2329
2330 if (rend & RS_Italic && fore == Color_fg)
2331 {
2332 if (ISSET_PIXCOLOR (Color_IT))
2333 fore = Color_IT;
2334# if !ENABLE_STYLES
2335 else
2336 invert = !invert;
2337# endif
2338 }
2339
2340 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2341 fore = Color_UL;
2342#endif
2343
2344#ifdef OPTION_HC
2345 if (rend & RS_Sel)
2346 {
2347 /* invert the column if no highlightColor is set or it is the
2348 * current cursor column */
2349 if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2350 && ISSET_PIXCOLOR (Color_HC))
2351 {
2352 if (ISSET_PIXCOLOR (Color_HTC))
2353 fore = Color_HTC;
2354 // if invert is 0 reverse video is set so we use bg color as fg color
2355 else if (!invert)
2356 fore = back;
2357
2358 back = Color_HC;
2359 invert = 0;
2360 }
2361 }
2362#endif
2363
2364 if (invert)
2365 {
2366 ::swap (fore, back);
2367
2368#ifndef NO_BOLD_UNDERLINE_REVERSE
2369 if (fore == back)
2370 {
2371 fore = Color_bg;
2372 back = Color_fg;
2373 }
2374#endif
2375 }
2376
2377#ifdef TEXT_BLINK
2378 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2379 {
2380 if (!text_blink_ev.is_active ())
2381 {
2382 text_blink_ev.again ();
2383 hidden_text = 0;
2384 }
2385 else if (hidden_text)
2386 fore = back;
2387 }
2388#endif
2389
2390#if ENABLE_STYLES
2391 // "careful" (too wide) character handling
2392
2393 // include previous careful character(s) if possible, looks nicer (best effort...)
2394 while (text > stp
2395 && srp[text - stp - 1] & RS_Careful
2396 && RS_SAME (rend, srp[text - stp - 1]))
2397 text--, count++, xpixel -= fwidth;
2398
2399 // force redraw after "careful" characters to avoid pixel droppings
2400 for (int i = 0; srp[col + i] & RS_Careful && col + i < ncol - 1; i++)
2401 drp[col + i + 1] = srp[col + i + 1] ^ RS_redraw;
2402
2403 // force redraw before "careful" characters to avoid pixel droppings
2404 for (int i = 0; srp[text - stp - i] & RS_Careful && text - i > stp; i++)
2405 drp[text - stp - i - 1] = srp[text - stp - i - 1] ^ RS_redraw;
2406#endif
2407 }
2408
2409 /*
2410 * Actually do the drawing of the string here
2411 */
2412 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2413
2414 if (ecb_likely (have_bg && back == Color_bg))
2415 {
2416 // this is very ugly, maybe push it into ->draw?
2417
2418 for (i = 0; i < count; i++) /* don't draw empty strings */
2419 if (text[i] != ' ')
2014 { 2420 {
2015 for (col = R->TermWin.ncol; col--; ) 2421 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent);
2016 { 2422 goto did_clear;
2017 *dtp++ = *dtp2++;
2018 *drp++ = *drp2++;
2019 }
2020
2021 if (len == -1)
2022 len = row;
2023
2024 wlen = row;
2025 continue;
2026 } 2423 }
2424
2425 CLEAR_CHARS (xpixel, ypixel, count);
2426 did_clear: ;
2027 } 2427 }
2428 else
2429 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2028 2430
2029 if (len != -1) 2431 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2030 { 2432 {
2031 /* also comes here at end if needed because of >= above */ 2433 if (showcursor && focus && row == screen.cur.row
2032 if (wlen < len) 2434 && IN_RANGE_EXC (col, cur_col, cur_col + cursorwidth))
2033 SWAP_IT(wlen, len, int); 2435 XSetForeground (dpy, gc, pix_colors[ccol1]);
2034 D_SCREEN((stderr, "rxvt_scr_refresh(): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1));
2035 XCopyArea(R->Xdisplay, R->TermWin.vt, R->TermWin.vt,
2036 R->TermWin.gc, 0, Row2Pixel(len + i),
2037 (unsigned int)TermWin_TotalWidth(),
2038 (unsigned int)Height2Pixel(wlen - len + 1),
2039 0, Row2Pixel(len));
2040 len = -1;
2041 }
2042 }
2043 }
2044#endif
2045
2046/*
2047 * E: main pass across every character
2048 */
2049 for (row = 0; row < R->TermWin.nrow; row++)
2050 {
2051 stp = R->screen.text[row + row_offset];
2052 srp = R->screen.rend[row + row_offset];
2053 dtp = R->drawn_text[row];
2054 drp = R->drawn_rend[row];
2055
2056/*
2057 * E2: OK, now the real pass
2058 */
2059 int ypixel = (int)Row2Pixel(row);
2060
2061 for (col = 0; col < R->TermWin.ncol; col++)
2062 {
2063 /* compare new text with old - if exactly the same then continue */
2064 rend_t rend = srp[col]; /* screen rendition (target rendtion) */
2065
2066 if (stp[col] == dtp[col] /* Must match characters to skip. */
2067 && (rend == drp[col] /* Either rendition the same or */
2068 || (stp[col] == ' ' /* space w/ no background change */
2069 && GET_BGATTR(rend) == GET_BGATTR(drp[col]))))
2070 continue;
2071
2072 text_t *text = stp + col;
2073 int count = 1;
2074
2075 /* redraw one or more characters */
2076
2077 dtp[col] = stp[col];
2078 drp[col] = rend;
2079
2080 if (*text == NOCHAR) // never start redrawing at invisible characters. */
2081 continue;
2082
2083 int xpixel = Col2Pixel(col);
2084
2085 // this loop looks very messy, it can probably be optimized
2086 // and cleaned a bit by you?
2087 for (i = 0; ++col < R->TermWin.ncol; )
2088 {
2089 if (stp[col] == NOCHAR)
2090 {
2091 dtp[col] = stp[col];
2092 drp[col] = rend;
2093 count++;
2094
2095 if (i) // only possible skip if char unchanged
2096 i++;
2097
2098 continue;
2099 }
2100
2101 if (((rend ^ srp[col]) & ~RS_wide) != 0)
2102 break;
2103
2104 count++;
2105
2106 if (stp[col] != dtp[col]
2107 || srp[col] != drp[col])
2108 {
2109 if (must_clear && (i++ > (count / 2)))
2110 break;
2111
2112 dtp[col] = stp[col];
2113 drp[col] = rend;
2114 i = 0;
2115 }
2116 else if (must_clear || (stp[col] != ' ' && ++i >= 32))
2117 break;
2118 }
2119
2120 col--; /* went one too far. move back */
2121 count -= i; /* dump any matching trailing chars */
2122
2123/*
2124 * Determine the attributes for the string
2125 */
2126 int fid = GET_FONT(rend);
2127 fore = GET_FGCOLOR(rend);
2128 back = GET_BGCOLOR(rend);
2129 rend = GET_ATTR(rend);
2130
2131 rvid = (rend & RS_RVid) ? 1 : 0;
2132#ifdef OPTION_HC
2133 if (!rvid && (rend & RS_Blink))
2134 {
2135 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_HC))
2136 back = Color_HC;
2137 else 2436 else
2138 rvid = !rvid; /* fall back */ 2437#if ENABLE_FRILLS
2438 if (ISSET_PIXCOLOR (Color_underline))
2439 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2440 else
2441#endif
2442 XSetForeground (dpy, gc, pix_colors[fore]);
2443
2444 XDrawLine (dpy, vt, gc,
2445 xpixel, ypixel + font->ascent + 1,
2446 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2139 } 2447 }
2140#endif 2448 } /* for (col....) */
2141 if (rvid) 2449 } /* for (row....) */
2450
2451 /*
2452 * G: cleanup cursor and display outline cursor if necessary
2453 */
2454 if (showcursor)
2455 {
2456 if (focus)
2457 {
2458 if (cursor_type == 0)
2459 scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2460 else if (oldcursor.row >= 0)
2142 { 2461 {
2143 SWAP_IT(fore, back, int); 2462 XSetForeground (dpy, gc, pix_colors[ccol1]);
2463 if (cursor_type == 1)
2464 XFillRectangle (dpy, vt, gc,
2465 Col2Pixel (cur_col),
2466 Row2Pixel (oldcursor.row + 1) - 2,
2467 Width2Pixel (1),
2468 2);
2469 else
2470 XFillRectangle (dpy, vt, gc,
2471 Col2Pixel (cur_col),
2472 Row2Pixel (oldcursor.row),
2473 2,
2474 Height2Pixel (1));
2475 }
2476 }
2477 else if (oldcursor.row >= 0)
2478 {
2479 XSetForeground (dpy, gc, pix_colors[ccol1]);
2144 2480
2145#ifndef NO_BOLD_UNDERLINE_REVERSE 2481 XDrawRectangle (dpy, vt, gc,
2146 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_RV) 2482 Col2Pixel (cur_col),
2147# ifndef NO_CURSORCOLOR 2483 Row2Pixel (oldcursor.row),
2148 && !ISSET_PIXCOLOR(R, Color_cursor) 2484 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2485 (unsigned int) (Height2Pixel (1) - 1));
2486 }
2487 }
2488
2489 /*
2490 * H: cleanup selection
2491 */
2492#if ENABLE_OVERLAY
2493 scr_swap_overlay ();
2494#endif
2495 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2496
2497 scr_reverse_selection ();
2498
2499 screen.flags = old_screen_flags;
2500 num_scr = 0;
2501 num_scr_allow = 1;
2502}
2503
2504void ecb_cold
2505rxvt_term::scr_remap_chars (line_t &l) noexcept
2506{
2507 if (!l.valid ())
2508 return;
2509
2510 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2511
2512 for (int i = ncol; i--; )
2513 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2514}
2515
2516void ecb_cold
2517rxvt_term::scr_remap_chars () noexcept
2518{
2519 for (int i = total_rows; i--; )
2520 scr_remap_chars (row_buf [i]);
2521
2522 for (int i = nrow; i--; )
2523 {
2524 scr_remap_chars (drawn_buf [i]);
2525 scr_remap_chars (swap_buf [i]);
2526 }
2527}
2528
2529void ecb_cold
2530rxvt_term::scr_recolor (bool refresh) noexcept
2531{
2532 bool transparent = false;
2533
2534#ifdef HAVE_IMG
2535 if (bg_img != 0)
2536 {
2537# if ENABLE_TRANSPARENCY
2538 if (bg_flags & BG_IS_TRANSPARENT)
2539 {
2540 XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
2541 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2542
2543 transparent = true;
2544 }
2545 else
2149# endif 2546# endif
2150 )
2151 back = Color_RV;
2152#endif
2153 }
2154#ifndef NO_BOLD_UNDERLINE_REVERSE
2155 else if (rend & RS_Bold)
2156 { 2547 {
2157 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_BD)) 2548 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2158 { 2549 XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2159 fore = Color_BD; 2550 }
2160# ifndef VERYBOLD 2551 }
2161 rend &= ~RS_Bold; /* we've taken care of it */ 2552 else
2162# endif 2553#endif
2163 }
2164 }
2165 else if (rend & RS_Uline)
2166 {
2167 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_UL))
2168 {
2169 fore = Color_UL;
2170 rend &= ~RS_Uline; /* we've taken care of it */
2171 }
2172 }
2173#endif
2174
2175/*
2176 * Actually do the drawing of the string here
2177 */
2178 rxvt_font *font = (*R->TermWin.fontset)[fid];
2179
2180 if (back == Color_bg)
2181 {
2182 if (must_clear)
2183 {
2184 for (i = 0; i < count; i++) /* don't draw empty strings */
2185 if (text[i] != ' ')
2186 {
2187 font->draw (xpixel, ypixel, text, count, fore, -1);
2188 goto nodraw;
2189 }
2190
2191 CLEAR_CHARS(xpixel, ypixel, count);
2192nodraw: ;
2193 }
2194 else
2195 font->draw (xpixel, ypixel, text, count, fore, Color_bg);
2196 }
2197 else
2198 font->draw (xpixel, ypixel, text, count, fore, back);
2199
2200 if ((rend & RS_Uline) && (font->descent > 1))
2201 XDrawLine(R->Xdisplay, drawBuffer, R->TermWin.gc,
2202 xpixel, ypixel + font->ascent + 1,
2203 xpixel + Width2Pixel(count) - 1, ypixel + font->ascent + 1);
2204 } /* for (col....) */
2205 } /* for (row....) */
2206
2207/*
2208 * G: cleanup cursor and display outline cursor if necessary
2209 */
2210 if (showcursor) {
2211 if (R->TermWin.focus) {
2212 srp = &(R->screen.rend[R->screen.cur.row + R->TermWin.saveLines]
2213 [R->screen.cur.col]);
2214 *srp ^= RS_RVid;
2215#ifndef NO_CURSORCOLOR
2216 *srp = (*srp & ~(RS_fgMask | RS_bgMask)) | cc1;
2217#endif
2218 } else if (R->oldcursor.row >= 0) {
2219#ifndef NO_CURSORCOLOR
2220 unsigned long gcmask; /* Graphics Context mask */
2221
2222 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_cursor)) {
2223 XSetForeground (R->Xdisplay, R->TermWin.gc, R->PixColors[Color_cursor]);
2224 }
2225#endif
2226 XDrawRectangle(R->Xdisplay, drawBuffer, R->TermWin.gc,
2227 Col2Pixel(R->oldcursor.col),
2228 Row2Pixel(R->oldcursor.row),
2229 (unsigned int)(Width2Pixel(cursorwidth) - 1),
2230 (unsigned int)(Height2Pixel(1) - R->TermWin.lineSpace - 1));
2231 }
2232 } 2554 {
2233/* 2555 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2234 * H: cleanup selection 2556 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2235 */ 2557 }
2236 rxvt_scr_reverse_selection(aR);
2237 2558
2238/* 2559 XClearWindow (dpy, parent);
2239 * I: other general cleanup
2240 */
2241 if (clearfirst && R->TermWin.int_bwidth)
2242 /*
2243 * clear the whole screen height, note that width == 0 is treated
2244 * specially by XClearArea
2245 */
2246 XClearArea(R->Xdisplay, R->TermWin.vt, 0, 0,
2247 (unsigned int)R->TermWin.int_bwidth,
2248 (unsigned int)TermWin_TotalHeight(), False);
2249 if (clearlast && R->TermWin.int_bwidth)
2250 /*
2251 * clear the whole screen height, note that width == 0 is treated
2252 * specially by XClearArea
2253 */
2254 XClearArea(R->Xdisplay, R->TermWin.vt,
2255 R->TermWin.width + R->TermWin.int_bwidth, 0,
2256 (unsigned int)R->TermWin.int_bwidth,
2257 (unsigned int)TermWin_TotalHeight(), False);
2258 if (refresh_type & SMOOTH_REFRESH)
2259 XSync(R->Xdisplay, False);
2260 2560
2261 R->num_scr = 0; 2561 if (scrollBar.state && scrollBar.win)
2262 R->num_scr_allow = 1; 2562 {
2263 R->want_refresh = 0; /* screen is current */ 2563 if (transparent)
2264} 2564 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2265/* ------------------------------------------------------------------------- */
2266
2267/* EXTPROTO */
2268void
2269rxvt_scr_clear(pR)
2270{
2271 if (!R->TermWin.mapped)
2272 return;
2273 R->num_scr_allow = 0;
2274 R->want_refresh = 1;
2275#ifdef TRANSPARENT
2276 if ((R->Options & Opt_transparent) && (R->am_pixmap_trans == 0)) {
2277 int i;
2278
2279 if (!(R->Options & Opt_transparent_all))
2280 i = 0;
2281 else 2565 else
2282 i = (int)(sizeof(R->TermWin.parent) / sizeof(Window)); 2566 XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2283 for (; i--;) 2567 scrollBar.state = SB_STATE_IDLE;
2284 if (R->TermWin.parent[i] != None) 2568 scrollBar.show (0);
2285 XClearWindow(R->Xdisplay, R->TermWin.parent[i]); 2569 }
2570
2571 if (refresh)
2286 } 2572 {
2287#endif 2573 scr_clear ();
2288 XClearWindow(R->Xdisplay, R->TermWin.vt); 2574 scr_touch (true);
2575 }
2576 want_refresh = 1;
2289} 2577}
2290 2578
2291/* ------------------------------------------------------------------------- */ 2579/* ------------------------------------------------------------------------- */
2292/* INTPROTO */
2293void 2580void
2581rxvt_term::scr_clear (bool really) noexcept
2582{
2583 if (!mapped)
2584 return;
2585
2586 num_scr_allow = 0;
2587 want_refresh = 1;
2588
2589 if (really)
2590 XClearWindow (dpy, vt);
2591}
2592
2593void
2594rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) noexcept
2595{
2596 int view_end = view_start + nrow;
2597 int row, col;
2598
2599 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2600 {
2601 text_t *stp = ROW(row).t;
2602 rend_t *srp = ROW(row).r;
2603
2604 for (col = beg_col; col < end_col; col++)
2605 srp[col] ^= rstyle1;
2606
2607 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2608 srp[col] ^= rstyle2;
2609
2610 if (++col < end_col)
2611 srp[col] ^= rstyle2;
2612 }
2613}
2614
2615void
2616rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) noexcept
2617{
2618 int view_end = view_start + nrow;
2619 int row, col;
2620
2621 if (beg_row >= view_start)
2622 {
2623 col = beg_col;
2624 row = beg_row;
2625 }
2626 else
2627 {
2628 col = 0;
2629 row = view_start;
2630 }
2631
2632 for (; row < min (end_row, view_end); row++, col = 0)
2633 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2634 srp[col] ^= rstyle;
2635
2636 if (row == end_row)
2637 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2638 srp[col] ^= rstyle;
2639}
2640
2641/* ------------------------------------------------------------------------- */
2642void ecb_hot
2294rxvt_scr_reverse_selection(pR) 2643rxvt_term::scr_reverse_selection () noexcept
2295{ 2644{
2296 int i, col, row, end_row; 2645 if (selection.op
2297 rend_t *srp; 2646 && current_screen == selection.screen
2298 2647 && selection.end.row >= view_start)
2299 if (R->selection.op && R->current_screen == R->selection.screen) { 2648 {
2300 end_row = R->TermWin.saveLines - R->TermWin.view_start; 2649#if !ENABLE_MINIMAL
2301 i = R->selection.beg.row + R->TermWin.saveLines; 2650 if (selection.rect)
2302 row = R->selection.end.row + R->TermWin.saveLines; 2651 scr_xor_rect (selection.beg.row, selection.beg.col,
2303 if (i >= end_row) 2652 selection.end.row, selection.end.col,
2304 col = R->selection.beg.col; 2653 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2305 else { 2654 else
2306 col = 0;
2307 i = end_row;
2308 }
2309 end_row += R->TermWin.nrow;
2310 for (; i < row && i < end_row; i++, col = 0)
2311 for (srp = R->screen.rend[i]; col < R->TermWin.ncol; col++)
2312#ifndef OPTION_HC
2313 srp[col] ^= RS_RVid;
2314#else
2315 srp[col] ^= RS_Blink;
2316#endif 2655#endif
2317 if (i == row && i < end_row) 2656 scr_xor_span (selection.beg.row, selection.beg.col,
2318 for (srp = R->screen.rend[i]; col < R->selection.end.col; col++) 2657 selection.end.row, selection.end.col,
2319#ifndef OPTION_HC 2658 RS_Sel | RS_RVid);
2320 srp[col] ^= RS_RVid;
2321#else
2322 srp[col] ^= RS_Blink;
2323#endif
2324 } 2659 }
2325} 2660}
2326 2661
2327/* ------------------------------------------------------------------------- */ 2662/* ------------------------------------------------------------------------- */
2328/* 2663/*
2329 * Dump the whole scrollback and screen to the passed filedescriptor. The 2664 * Dump the whole scrollback and screen to the passed filedescriptor. The
2330 * invoking routine must close the fd. 2665 * invoking routine must close the fd.
2331 */ 2666 */
2332#if 0 2667#if 0
2333/* EXTPROTO */
2334void 2668void
2335rxvt_scr_dump(pR_ int fd) 2669rxvt_term::scr_dump (int fd) noexcept
2336{ 2670{
2337 int row, wrote; 2671 // if this method is needed, it can be implemented by factoring the
2338 unsigned int width, towrite; 2672 // relevant code in scr_printscreen
2339 char r1[] = "\n";
2340
2341 for (row = R->TermWin.saveLines - R->TermWin.nscrolled;
2342 row < R->TermWin.saveLines + R->TermWin.nrow - 1; row++) {
2343 width = R->screen.tlen[row] >= 0 ? R->screen.tlen[row]
2344 : R->TermWin.ncol;
2345 for (towrite = width; towrite; towrite -= wrote) {
2346 wrote = write(fd, &(R->screen.text[row][width - towrite]),
2347 towrite);
2348 if (wrote < 0)
2349 return; /* XXX: death, no report */
2350 }
2351 if (R->screen.tlen[row] >= 0)
2352 if (write(fd, r1, 1) <= 0)
2353 return; /* XXX: death, no report */
2354 }
2355} 2673}
2356#endif 2674#endif
2357 2675
2358/* ------------------------------------------------------------------------- * 2676/* ------------------------------------------------------------------------- *
2359 * CHARACTER SELECTION * 2677 * CHARACTER SELECTION *
2360 * ------------------------------------------------------------------------- */ 2678 * ------------------------------------------------------------------------- */
2361
2362/*
2363 * -R->TermWin.nscrolled <= (selection row) <= R->TermWin.nrow - 1
2364 */
2365/* EXTPROTO */
2366void 2679void
2367rxvt_selection_check(pR_ int check_more) 2680rxvt_term::selection_check (int check_more) noexcept
2368{ 2681{
2369 row_col_t pos;
2370
2371 if (!R->selection.op) 2682 if (!selection.op)
2372 return; 2683 return;
2373 2684
2374 pos.row = pos.col = 0; 2685 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2375 if ((R->selection.beg.row < -(int32_t)R->TermWin.nscrolled) 2686 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2376 || (R->selection.beg.row >= R->TermWin.nrow) 2687 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2377 || (R->selection.mark.row < -(int32_t)R->TermWin.nscrolled)
2378 || (R->selection.mark.row >= R->TermWin.nrow)
2379 || (R->selection.end.row < -(int32_t)R->TermWin.nscrolled)
2380 || (R->selection.end.row >= R->TermWin.nrow)
2381 || (check_more == 1 2688 || (check_more == 1
2382 && R->current_screen == R->selection.screen 2689 && current_screen == selection.screen
2383 && !ROWCOL_IS_BEFORE(R->screen.cur, R->selection.beg) 2690 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2384 && ROWCOL_IS_BEFORE(R->screen.cur, R->selection.end)) 2691 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2385 || (check_more == 2
2386 && ROWCOL_IS_BEFORE(R->selection.beg, pos)
2387 && ROWCOL_IS_AFTER(R->selection.end, pos))
2388 || (check_more == 3
2389 && ROWCOL_IS_AFTER(R->selection.end, pos))
2390 || (check_more == 4 /* screen width change */
2391 && (R->selection.beg.row != R->selection.end.row
2392 || R->selection.end.col > R->TermWin.ncol)))
2393 CLEAR_SELECTION(R); 2692 CLEAR_ALL_SELECTION ();
2693}
2694
2695void
2696rxvt_term::selection_changed () noexcept
2697{
2698 line_t &r1 = ROW (selection.beg.row);
2699 while (selection.beg.col < r1.l && r1.t [selection.beg.col] == NOCHAR)
2700 ++selection.beg.col;
2701
2702 line_t &r2 = ROW (selection.end.row);
2703 while (selection.end.col < r2.l && r2.t [selection.end.col] == NOCHAR)
2704 ++selection.end.col;
2705
2706 want_refresh = 1;
2394} 2707}
2395 2708
2396/* ------------------------------------------------------------------------- */ 2709/* ------------------------------------------------------------------------- */
2397/* 2710/*
2398 * Paste a selection direct to the command fd 2711 * Paste a selection direct to the command fd
2399 */ 2712 */
2400void 2713void
2401rxvt_term::paste (const unsigned char *data, unsigned int len) 2714rxvt_term::tt_paste (char *data, unsigned int len) noexcept
2402{ 2715{
2403 unsigned int i, j, n;
2404 unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE);
2405
2406 /* convert normal newline chars into common keyboard Return key sequence */ 2716 /* convert normal newline chars into common keyboard Return key sequence */
2407 for (i = 0; i < len; i += PROP_SIZE) 2717 for (unsigned int i = 0; i < len; i++)
2408 { 2718 if (data[i] == C0_LF)
2409 n = min (len - i, PROP_SIZE); 2719 data[i] = C0_CR;
2410 MEMCPY (ds, data + i, n);
2411 2720
2412 for (j = 0; j < n; j++) 2721 #if ENABLE_FRILLS
2413 if (ds[j] == '\n') 2722 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2414 ds[j] = '\r'; 2723 tt_printf ("\x1b[200~");
2415
2416 tt_write (ds, (int)n);
2417 }
2418
2419 free(ds);
2420}
2421
2422/* ------------------------------------------------------------------------- */
2423/*
2424 * Respond to a notification that a primary selection has been sent
2425 * EXT: SelectionNotify
2426 */
2427/* EXTPROTO */
2428int
2429rxvt_selection_paste(pR_ Window win, Atom prop, Bool delete_prop)
2430{
2431 long nread = 0;
2432 unsigned long bytes_after;
2433 XTextProperty ct;
2434 int dummy_count;
2435 char **cl;
2436
2437 D_SELECT((stderr, "rxvt_selection_paste(%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, R->selection_wait));
2438
2439 if (prop == None) /* check for failed XConvertSelection */
2440 {
2441 if ((R->selection_type & Sel_CompoundText))
2442 {
2443 int selnum = R->selection_type & Sel_whereMask;
2444
2445 R->selection_type = 0;
2446 if (selnum != Sel_direct)
2447 rxvt_selection_request_other(aR_ XA_STRING, selnum);
2448 }
2449
2450 return 0;
2451 }
2452
2453 for (;;)
2454 {
2455 if (XGetWindowProperty(R->Xdisplay, win, prop, (long)(nread / 4),
2456 (long)(PROP_SIZE / 4), delete_prop,
2457 AnyPropertyType, &ct.encoding, &ct.format,
2458 &ct.nitems, &bytes_after,
2459 &ct.value) != Success)
2460 break;
2461
2462 if (ct.encoding == 0)
2463 {
2464 D_SELECT((stderr, "rxvt_selection_paste: property didn't exist!"));
2465 break;
2466 }
2467
2468 if (ct.value == NULL)
2469 {
2470 D_SELECT((stderr, "rxvt_selection_paste: property shooting blanks!"));
2471 continue;
2472 }
2473
2474 if (ct.nitems == 0)
2475 {
2476 D_SELECT((stderr, "rxvt_selection_paste: property empty - also INCR end"));
2477 if (R->selection_wait == Sel_normal && nread == 0)
2478 {
2479 /*
2480 * pass through again trying CUT_BUFFER0 if we've come from
2481 * XConvertSelection() but nothing was presented
2482 */
2483 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2484 rxvt_selection_paste (aR_ Xroot, XA_CUT_BUFFER0, False);
2485 }
2486
2487 nread = -1; /* discount any previous stuff */
2488 break;
2489 }
2490
2491 nread += ct.nitems;
2492 if (XmbTextPropertyToTextList (R->Xdisplay, &ct, &cl,
2493 &dummy_count) == Success && cl)
2494 {
2495 R->paste ((unsigned char *)cl[0], STRLEN (cl[0]));
2496 XFreeStringList (cl);
2497 }
2498 else
2499 R->paste (ct.value, ct.nitems);
2500
2501 if (bytes_after == 0)
2502 break;
2503
2504 XFree (ct.value);
2505 }
2506
2507 if (ct.value)
2508 XFree (ct.value);
2509
2510 if (R->selection_wait == Sel_normal)
2511 R->selection_wait = Sel_none;
2512
2513 D_SELECT((stderr, "rxvt_selection_paste: bytes written: %ld", nread));
2514 return (int)nread;
2515}
2516
2517void
2518rxvt_term::incr_cb (time_watcher &w)
2519{
2520 w.stop ();
2521 selection_wait = Sel_none;
2522
2523 rxvt_print_error("data loss: timeout on INCR selection paste");
2524}
2525
2526/*
2527 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2528 */
2529/* EXTPROTO */
2530void
2531rxvt_selection_property(pR_ Window win, Atom prop)
2532{
2533 int reget_time = 0;
2534
2535 if (prop == None)
2536 return;
2537 D_SELECT((stderr, "rxvt_selection_property(%08lx, %lu)", win, (unsigned long)prop));
2538 if (R->selection_wait == Sel_normal) {
2539 int a, afmt;
2540 Atom atype;
2541 unsigned long bytes_after, nitems;
2542 unsigned char *s = NULL;
2543
2544 a = XGetWindowProperty(R->Xdisplay, win, prop, 0L, 1L, False,
2545 R->xa[XA_INCR], &atype, &afmt, &nitems,
2546 &bytes_after, &s);
2547 if (s)
2548 XFree(s);
2549 if (a != Success)
2550 return;
2551#ifndef __CYGWIN32__
2552 if (atype == R->xa[XA_INCR]) { /* start an INCR transfer */
2553 D_SELECT((stderr, "rxvt_selection_property: INCR: starting transfer"));
2554 XDeleteProperty(R->Xdisplay, win, prop);
2555 XFlush(R->Xdisplay);
2556 reget_time = 1;
2557 R->selection_wait = Sel_incr;
2558 }
2559#endif 2724 #endif
2560 } else if (R->selection_wait == Sel_incr) { 2725
2561 reget_time = 1; 2726 tt_write (data, len);
2562 if (rxvt_selection_paste(aR_ win, prop, True) == -1) { 2727
2563 D_SELECT((stderr, "rxvt_selection_property: INCR: clean end")); 2728 #if ENABLE_FRILLS
2564 R->selection_wait = Sel_none; 2729 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2565 R->incr_ev.stop (); 2730 tt_printf ("\x1b[201~");
2566 } 2731 #endif
2567 }
2568 if (reget_time) /* received more data so reget time */
2569 R->incr_ev.start (NOW + 10);
2570} 2732}
2733
2734void
2735rxvt_term::paste (char *data, unsigned int len) noexcept
2736{
2737 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2738 return;
2739
2740 tt_paste (data, len);
2741}
2742
2571/* ------------------------------------------------------------------------- */ 2743/* ------------------------------------------------------------------------- */
2572/* 2744/*
2573 * Request the current selection: 2745 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2574 * Order: > internal selection if available 2746 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2575 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2747 * as fallback
2576 * > CUT_BUFFER0
2577 * (+) if ownership is claimed but property is empty, rxvt_selection_paste()
2578 * will auto fallback to CUT_BUFFER0
2579 * EXT: button 2 release 2748 * EXT: button 2 release
2580 */ 2749 */
2581/* EXTPROTO */
2582void 2750void
2583rxvt_selection_request(pR_ Time tm, int x, int y) 2751rxvt_term::selection_request (Time tm, int selnum) noexcept
2584{ 2752{
2585 D_SELECT((stderr, "rxvt_selection_request(%lu, %d, %d)", tm, x, y)); 2753 if (!selection_req)
2586 if (x < 0 || x >= R->TermWin.width || y < 0 || y >= R->TermWin.height)
2587 return; /* outside window */
2588
2589 if (R->selection.text != NULL) { /* internal selection */
2590 D_SELECT((stderr, "rxvt_selection_request: pasting internal"));
2591 R->paste (R->selection.text, R->selection.len);
2592 return;
2593 } else {
2594 int i;
2595
2596 R->selection_request_time = tm;
2597 R->selection_wait = Sel_normal;
2598 for (i = Sel_Primary; i <= Sel_Clipboard; i++) {
2599 R->selection_type = Sel_CompoundText;
2600 if (rxvt_selection_request_other(aR_ R->xa[XA_COMPOUND_TEXT], i))
2601 return;
2602 }
2603 } 2754 {
2604 R->selection_wait = Sel_none; /* don't loop in rxvt_selection_paste() */ 2755 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2605 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0")); 2756 selection_req->run ();
2606 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, False);
2607}
2608
2609/* INTPROTO */
2610int
2611rxvt_selection_request_other(pR_ Atom target, int selnum)
2612{
2613 Atom sel;
2614#ifdef DEBUG_SELECT
2615 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2616#endif
2617
2618 R->selection_type |= selnum;
2619 if (selnum == Sel_Primary)
2620 sel = XA_PRIMARY;
2621 else if (selnum == Sel_Secondary)
2622 sel = XA_SECONDARY;
2623 else
2624 sel = R->xa[XA_CLIPBOARD];
2625 if (XGetSelectionOwner(R->Xdisplay, sel) != None) {
2626 D_SELECT((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum]));
2627 XConvertSelection(R->Xdisplay, sel, target, R->xa[XA_VT_SELECTION],
2628 R->TermWin.vt, R->selection_request_time);
2629 return 1;
2630 } 2757 }
2631 return 0;
2632} 2758}
2633 2759
2634/* ------------------------------------------------------------------------- */ 2760/* ------------------------------------------------------------------------- */
2635/* 2761/*
2636 * Clear all selected text 2762 * Clear all selected text
2637 * EXT: SelectionClear 2763 * EXT: SelectionClear
2638 */ 2764 */
2639/* EXTPROTO */
2640void 2765void
2641rxvt_selection_clear(pR) 2766rxvt_term::selection_clear (bool clipboard) noexcept
2642{ 2767{
2643 D_SELECT((stderr, "rxvt_selection_clear()")); 2768 if (!clipboard)
2644 2769 {
2645 R->want_refresh = 1; 2770 want_refresh = 1;
2646 if (R->selection.text)
2647 free(R->selection.text); 2771 free (selection.text);
2648 R->selection.text = NULL; 2772 selection.text = NULL;
2649 R->selection.len = 0; 2773 selection.len = 0;
2650 CLEAR_SELECTION(R); 2774 CLEAR_SELECTION ();
2775
2776 if (display->selection_owner == this)
2777 display->selection_owner = 0;
2778 }
2779 else
2780 {
2781 free (selection.clip_text);
2782 selection.clip_text = NULL;
2783 selection.clip_len = 0;
2784
2785 if (display->clipboard_owner == this)
2786 display->clipboard_owner = 0;
2787 }
2651} 2788}
2652 2789
2653/* ------------------------------------------------------------------------- */ 2790/* ------------------------------------------------------------------------- */
2654/* 2791/*
2655 * Copy a selection into the cut buffer 2792 * Copy a selection into the cut buffer
2656 * EXT: button 1 or 3 release 2793 * EXT: button 1 or 3 release
2657 */ 2794 */
2658/* EXTPROTO */
2659void 2795void
2660rxvt_selection_make(pR_ Time tm) 2796rxvt_term::selection_make (Time tm)
2661{ 2797{
2662 int i, col, end_col, row, end_row; 2798 int size;
2663 unsigned char *new_selection_text; 2799 wchar_t *new_selection_text;
2664 char *str; 2800 text_t *t;
2665 text_t *t;
2666#ifdef ACS_ASCII
2667 rend_t *re;
2668#endif
2669 2801
2670 D_SELECT((stderr, "rxvt_selection_make(): R->selection.op=%d, R->selection.clicks=%d", R->selection.op, R->selection.clicks));
2671 switch (R->selection.op) { 2802 switch (selection.op)
2803 {
2672 case SELECTION_CONT: 2804 case SELECTION_CONT:
2673 break; 2805 break;
2674 case SELECTION_INIT: 2806 case SELECTION_INIT:
2675 CLEAR_SELECTION(R); 2807 CLEAR_SELECTION ();
2676 /* FALLTHROUGH */ 2808 /* FALLTHROUGH */
2677 case SELECTION_BEGIN: 2809 case SELECTION_BEGIN:
2678 R->selection.op = SELECTION_DONE; 2810 selection.op = SELECTION_DONE;
2679 /* FALLTHROUGH */ 2811 /* FALLTHROUGH */
2680 default: 2812 default:
2681 return; 2813 return;
2682 } 2814 }
2815
2683 R->selection.op = SELECTION_DONE; 2816 selection.op = SELECTION_DONE;
2684 2817
2685 if (R->selection.clicks == 4) 2818 if (selection.clicks == 4)
2686 return; /* nothing selected, go away */ 2819 return; /* nothing selected, go away */
2687 2820
2821 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2822 return;
2823
2688 i = (R->selection.end.row - R->selection.beg.row + 1) * (R->TermWin.ncol + 1) + 1; 2824 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2689 str = (char *)rxvt_malloc(i * MB_CUR_MAX + 1); 2825 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2690 2826
2691 new_selection_text = (unsigned char *)str; 2827 int ofs = 0;
2828 int extra = 0;
2692 2829
2693 col = R->selection.beg.col; 2830 int col = selection.beg.col;
2694 MAX_IT(col, 0); 2831 int row = selection.beg.row;
2695 row = R->selection.beg.row + R->TermWin.saveLines;
2696 end_row = R->selection.end.row + R->TermWin.saveLines;
2697 2832
2833 int end_col;
2834
2698 for (; row <= end_row; row++, col = 0) 2835 for (; row <= selection.end.row; row++, col = 0)
2836 {
2837#if !ENABLE_MINIMAL
2838 if (selection.rect)
2699 { 2839 {
2700 t = &(R->screen.text[row][col]); 2840 col = selection.beg.col;
2701
2702 end_col = R->screen.tlen[row];
2703
2704 if (end_col == -1)
2705 end_col = R->TermWin.ncol; 2841 end_col = selection.end.col;
2842 }
2843 else
2844#endif
2845 end_col = ROW(row).l;
2706 2846
2847 col = max (col, 0);
2848
2707 if (row == end_row) 2849 if (row == selection.end.row)
2708 MIN_IT (end_col, R->selection.end.col); 2850 min_it (end_col, selection.end.col);
2709 2851
2852 t = ROW(row).t + col;
2853
2710 for (; col < end_col; col++) 2854 for (; col < end_col; col++)
2855 {
2711 if (*t == NOCHAR) 2856 if (*t == NOCHAR)
2712 t++; 2857 t++;
2858#if ENABLE_COMBINING
2859 else if (IS_COMPOSE (*t))
2860 {
2861 int len = rxvt_composite.expand (*t);
2862
2863 extra -= (len - 1);
2864
2865 if (extra < 0)
2866 {
2867 extra += size;
2868 size += size;
2869 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
2870 }
2871
2872 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
2873 }
2874#endif
2713 else 2875 else
2714 { 2876 new_selection_text[ofs++] = *t++;
2715 int len = wctomb (str, *t++);
2716 if (len > 0)
2717 str += len;
2718 }
2719
2720 if (R->screen.tlen[row] != -1 && row != end_row)
2721 *str++ = '\n';
2722 } 2877 }
2723 2878
2724#ifndef NO_OLD_SELECTION 2879#if !ENABLE_MINIMAL
2725 if (R->selection_style == OLD_SELECT) 2880 if (selection.rect)
2726 if (end_col == R->TermWin.ncol)
2727 *str++ = '\n';
2728#endif
2729#ifndef NO_NEW_SELECTION
2730 if (R->selection_style != OLD_SELECT)
2731 if (end_col != R->selection.end.col)
2732 *str++ = '\n';
2733#endif
2734 *str = '\0';
2735
2736 i = str - (char *)new_selection_text;
2737 if (i == 0)
2738 { 2881 {
2882 while (ofs
2883 && new_selection_text[ofs - 1] != C0_LF
2884 && unicode::is_space (new_selection_text[ofs - 1]))
2885 --ofs;
2886
2887 new_selection_text[ofs++] = C0_LF;
2888 }
2889 else
2890#endif
2891 if (!ROW(row).is_longer ()
2892 && (row != selection.end.row || end_col != selection.end.col)
2893 && (row != selection.beg.row || selection.beg.col < ncol))
2894 new_selection_text[ofs++] = C0_LF;
2895 }
2896
2897 new_selection_text[ofs] = 0;
2898
2899 if (ofs == 0)
2900 {
2739 free (new_selection_text); 2901 free (new_selection_text);
2740 return; 2902 return;
2741 } 2903 }
2742 2904
2743 // due to MB_MAX_CUR, selection wastage is usually high
2744 if (str - (char *)new_selection_text > 1024)
2745 new_selection_text = (unsigned char *)rxvt_realloc (new_selection_text, i + 1);
2746
2747 R->selection.len = i;
2748 if (R->selection.text)
2749 free (R->selection.text); 2905 free (selection.text);
2750 2906
2751 R->selection.text = new_selection_text; 2907 // we usually allocate much more than necessary, so realloc it smaller again
2908 selection.len = ofs;
2909 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2752 2910
2753 XSetSelectionOwner(R->Xdisplay, XA_PRIMARY, R->TermWin.vt, tm); 2911 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
2754 if (XGetSelectionOwner(R->Xdisplay, XA_PRIMARY) != R->TermWin.vt) 2912 return;
2755 rxvt_print_error("can't get primary selection"); 2913
2756 XChangeProperty(R->Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2914 selection_grab (tm);
2757 PropModeReplace, R->selection.text, (int)R->selection.len); 2915}
2916
2917bool
2918rxvt_term::selection_grab (Time tm, bool clipboard) noexcept
2919{
2920 Atom sel;
2921
2922 if (!clipboard)
2923 {
2758 R->selection_time = tm; 2924 selection_time = tm;
2759 D_SELECT((stderr, "rxvt_selection_make(): R->selection.len=%d", R->selection.len)); 2925 sel = XA_PRIMARY;
2926 }
2927 else
2928 {
2929 clipboard_time = tm;
2930 sel = xa[XA_CLIPBOARD];
2931 }
2932
2933 XSetSelectionOwner (dpy, sel, vt, tm);
2934 if (XGetSelectionOwner (dpy, sel) == vt)
2935 {
2936 display->set_selection_owner (this, clipboard);
2937 return true;
2938 }
2939 else
2940 {
2941 selection_clear (clipboard);
2942 return false;
2943 }
2944
2945#if 0
2946 XTextProperty ct;
2947
2948 if (XwcTextListToTextProperty (dpy, &selection.text, 1, XStringStyle, &ct) >= 0)
2949 {
2950 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2951 XFree (ct.value);
2952 }
2953#endif
2760} 2954}
2761 2955
2762/* ------------------------------------------------------------------------- */ 2956/* ------------------------------------------------------------------------- */
2763/* 2957/*
2764 * Mark or select text based upon number of clicks: 1, 2, or 3 2958 * Mark or select text based upon number of clicks: 1, 2, or 3
2765 * EXT: button 1 press 2959 * EXT: button 1 press
2766 */ 2960 */
2767/* EXTPROTO */ 2961void ecb_cold
2768void
2769rxvt_selection_click(pR_ int clicks, int x, int y) 2962rxvt_term::selection_click (int clicks, int x, int y) noexcept
2770{ 2963{
2771 D_SELECT((stderr, "rxvt_selection_click(%d, %d, %d)", clicks, x, y));
2772
2773 clicks = ((clicks - 1) % 3) + 1; 2964 clicks = ((clicks - 1) % 3) + 1;
2774 R->selection.clicks = clicks; /* save clicks so extend will work */ 2965 selection.clicks = clicks; /* save clicks so extend will work */
2775 2966
2967 if (clicks == 2 && !selection.rect
2968 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
2969 {
2970 MEvent.clicks = 1; // what a mess
2971 selection.screen = current_screen;
2972 selection.op = SELECTION_CONT;
2973 return;
2974 }
2975
2776 rxvt_selection_start_colrow(aR_ Pixel2Col(x), Pixel2Row(y)); 2976 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2977
2777 if (clicks == 2 || clicks == 3) 2978 if (clicks == 2 || clicks == 3)
2778 rxvt_selection_extend_colrow(aR_ R->selection.mark.col, 2979 selection_extend_colrow (selection.mark.col,
2779 R->selection.mark.row 2980 selection.mark.row - view_start,
2780 + R->TermWin.view_start,
2781 0, /* button 3 */ 2981 0, /* button 3 */
2782 1, /* button press */ 2982 1, /* button press */
2783 0); /* click change */ 2983 0); /* click change */
2784} 2984}
2785 2985
2786/* ------------------------------------------------------------------------- */ 2986/* ------------------------------------------------------------------------- */
2787/* 2987/*
2788 * Mark a selection at the specified col/row 2988 * Mark a selection at the specified col/row
2789 */ 2989 */
2790/* INTPROTO */ 2990void ecb_cold
2791void
2792rxvt_selection_start_colrow(pR_ int col, int row) 2991rxvt_term::selection_start_colrow (int col, int row) noexcept
2793{ 2992{
2794 R->want_refresh = 1; 2993 want_refresh = 1;
2994
2995 selection.mark.row = row + view_start;
2795 R->selection.mark.col = col; 2996 selection.mark.col = col;
2796 R->selection.mark.row = row - R->TermWin.view_start; 2997
2797 MAX_IT(R->selection.mark.row, -(int32_t)R->TermWin.nscrolled); 2998 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
2798 MIN_IT(R->selection.mark.row, (int32_t)R->TermWin.nrow - 1); 2999 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3000
3001 while (selection.mark.col > 0
3002 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
2799 MAX_IT(R->selection.mark.col, 0); 3003 --selection.mark.col;
2800 MIN_IT(R->selection.mark.col, (int32_t)R->TermWin.ncol - 1);
2801 3004
2802 if (R->selection.op) { /* clear the old selection */ 3005 if (selection.op)
3006 {
3007 /* clear the old selection */
2803 R->selection.beg.row = R->selection.end.row = R->selection.mark.row; 3008 selection.beg.row = selection.end.row = selection.mark.row;
2804 R->selection.beg.col = R->selection.end.col = R->selection.mark.col; 3009 selection.beg.col = selection.end.col = selection.mark.col;
2805 } 3010 }
3011
2806 R->selection.op = SELECTION_INIT; 3012 selection.op = SELECTION_INIT;
2807 R->selection.screen = R->current_screen; 3013 selection.screen = current_screen;
2808} 3014}
2809 3015
2810/* ------------------------------------------------------------------------- */ 3016/* ------------------------------------------------------------------------- */
2811/* 3017/*
2812 * Word select: select text for 2 clicks 3018 * Word select: select text for 2 clicks
2813 * We now only find out the boundary in one direction 3019 * We now only find out the boundary in one direction
2814 */ 3020 */
2815 3021
2816/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3022/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
2817#define DELIMIT_TEXT(x) \ 3023#define DELIMIT_TEXT(x) \
2818 (((x) == ' ' || (x) == '\t') ? 2 : (STRCHR(R->rs[Rs_cutchars], (x)) != NULL)) 3024 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
2819#define DELIMIT_REND(x) 1 3025#define DELIMIT_REND(x) 1
2820 3026
2821/* INTPROTO */ 3027void ecb_cold
2822void
2823rxvt_selection_delimit_word(pR_ enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3028rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) noexcept
2824{ 3029{
2825 int col, row, dirnadd, tcol, trow, w1, w2; 3030 int col, row, dirnadd, tcol, trow, w1, w2;
2826 row_col_t bound; 3031 row_col_t bound;
2827 text_t *stp; 3032 text_t *stp;
2828 rend_t *srp; 3033 rend_t *srp;
2829 3034
2830 if (dirn == UP) { 3035 if (dirn == UP)
2831 bound.row = R->TermWin.saveLines - R->TermWin.nscrolled - 1; 3036 {
3037 bound.row = top_row - 1;
2832 bound.col = 0; 3038 bound.col = 0;
2833 dirnadd = -1; 3039 dirnadd = -1;
2834 } else { 3040 }
2835 bound.row = R->TermWin.saveLines + R->TermWin.nrow; 3041 else
3042 {
3043 bound.row = nrow;
2836 bound.col = R->TermWin.ncol - 1; 3044 bound.col = ncol - 1;
2837 dirnadd = 1; 3045 dirnadd = 1;
2838 } 3046 }
2839 row = mark->row + R->TermWin.saveLines; 3047
3048 row = mark->row;
2840 col = mark->col; 3049 col = max (mark->col, 0);
2841 MAX_IT(col, 0); 3050
2842/* find the edge of a word */ 3051 /* find the edge of a word */
2843 stp = &(R->screen.text[row][col]); 3052 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
2844 w1 = DELIMIT_TEXT(*stp); 3053 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
2845 3054
2846 if (R->selection_style != NEW_SELECT) { 3055 for (;;)
2847 if (w1 == 1) { 3056 {
3057 for (; col != bound.col; col += dirnadd)
3058 {
2848 stp += dirnadd; 3059 stp += dirnadd;
2849 if (DELIMIT_TEXT(*stp) == 1)
2850 goto Old_Word_Selection_You_Die;
2851 col += dirnadd;
2852 }
2853 w1 = 0;
2854 }
2855 srp = (&R->screen.rend[row][col]);
2856 w2 = DELIMIT_REND(*srp);
2857
2858 for (;;) {
2859 for (; col != bound.col; col += dirnadd) {
2860 stp += dirnadd; 3060 srp += dirnadd;
3061
3062 if (*stp == NOCHAR)
3063 continue;
3064
2861 if (DELIMIT_TEXT(*stp) != w1) 3065 if (DELIMIT_TEXT (*stp) != w1)
3066 break;
3067 if (DELIMIT_REND (*srp) != w2)
3068 break;
3069 }
3070
3071 if ((col == bound.col) && (row != bound.row))
3072 {
3073 if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ())
3074 {
3075 trow = row + dirnadd;
3076 tcol = dirn == UP ? ncol - 1 : 0;
3077
3078 if (!ROW(trow).t)
2862 break; 3079 break;
2863 srp += dirnadd; 3080
2864 if (DELIMIT_REND(*srp) != w2) 3081 stp = ROW(trow).t + tcol;
3082 srp = ROW(trow).r + tcol;
3083
3084 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
2865 break; 3085 break;
2866 } 3086
2867 if ((col == bound.col) && (row != bound.row)) {
2868 if (R->screen.tlen[(row - (dirn == UP ? 1 : 0))] == -1) {
2869 trow = row + dirnadd;
2870 tcol = dirn == UP ? R->TermWin.ncol - 1 : 0;
2871 if (R->screen.text[trow] == NULL)
2872 break;
2873 stp = &(R->screen.text[trow][tcol]);
2874 srp = &(R->screen.rend[trow][tcol]);
2875 if (DELIMIT_TEXT(*stp) != w1 || DELIMIT_REND(*srp) != w2)
2876 break;
2877 row = trow; 3087 row = trow;
2878 col = tcol; 3088 col = tcol;
2879 continue; 3089 continue;
2880 } 3090 }
2881 } 3091 }
2882 break; 3092 break;
2883 } 3093 }
2884 Old_Word_Selection_You_Die:
2885 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));
2886 3094
2887 if (dirn == DN) 3095 if (dirn == DN)
2888 col++; /* put us on one past the end */ 3096 col++; /* put us on one past the end */
2889 3097
2890/* Poke the values back in */ 3098 /* Poke the values back in */
2891 ret->row = row - R->TermWin.saveLines; 3099 ret->row = row;
2892 ret->col = col; 3100 ret->col = col;
2893} 3101}
2894 3102
2895/* ------------------------------------------------------------------------- */ 3103/* ------------------------------------------------------------------------- */
2896/* 3104/*
2897 * Extend the selection to the specified x/y pixel location 3105 * Extend the selection to the specified x/y pixel location
2898 * EXT: button 3 press; button 1 or 3 drag 3106 * EXT: button 3 press; button 1 or 3 drag
2899 * flag == 0 ==> button 1 3107 * flag == 0 ==> button 1
2900 * flag == 1 ==> button 3 press 3108 * flag == 1 ==> button 3 press
2901 * flag == 2 ==> button 3 motion 3109 * flag == 2 ==> button 3 motion
2902 */ 3110 */
2903/* EXTPROTO */ 3111void ecb_cold
2904void
2905rxvt_selection_extend(pR_ int x, int y, int flag) 3112rxvt_term::selection_extend (int x, int y, int flag) noexcept
2906{ 3113{
2907 int col, row; 3114 int col = clamp (Pixel2Col (x), 0, ncol);
3115 int row = clamp (Pixel2Row (y), 0, nrow - 1);
2908 3116
2909 col = Pixel2Col(x); 3117 /*
2910 row = Pixel2Row(y);
2911 MAX_IT(row, 0);
2912 MIN_IT(row, (int)R->TermWin.nrow - 1);
2913 MAX_IT(col, 0);
2914 MIN_IT(col, (int)R->TermWin.ncol);
2915#ifndef NO_NEW_SELECTION
2916/*
2917 * If we're selecting characters (single click) then we must check first 3118 * If we're selecting characters (single click) then we must check first
2918 * if we are at the same place as the original mark. If we are then 3119 * if we are at the same place as the original mark. If we are then
2919 * select nothing. Otherwise, if we're to the right of the mark, you have to 3120 * select nothing. Otherwise, if we're to the right of the mark, you have to
2920 * be _past_ a character for it to be selected. 3121 * be _past_ a character for it to be selected.
2921 */ 3122 */
2922 if (R->selection_style != OLD_SELECT) {
2923 if (((R->selection.clicks % 3) == 1) && !flag 3123 if (((selection.clicks % 3) == 1) && !flag
2924 && (col == R->selection.mark.col 3124 && (col == selection.mark.col
2925 && (row == R->selection.mark.row + R->TermWin.view_start))) { 3125 && (row == selection.mark.row - view_start)))
3126 {
2926 /* select nothing */ 3127 /* select nothing */
2927 R->selection.beg.row = R->selection.end.row = 0; 3128 selection.beg.row = selection.end.row = 0;
2928 R->selection.beg.col = R->selection.end.col = 0; 3129 selection.beg.col = selection.end.col = 0;
2929 R->selection.clicks = 4; 3130 selection.clicks = 4;
2930 R->want_refresh = 1; 3131 want_refresh = 1;
2931 D_SELECT((stderr, "rxvt_selection_extend() R->selection.clicks = 4"));
2932 return; 3132 return;
2933 }
2934 } 3133 }
2935#endif 3134
2936 if (R->selection.clicks == 4) 3135 if (selection.clicks == 4)
2937 R->selection.clicks = 1; 3136 selection.clicks = 1;
3137
2938 rxvt_selection_extend_colrow(aR_ col, row, !!flag, /* ? button 3 */ 3138 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
2939 flag == 1 ? 1 : 0, /* ? button press */ 3139 flag == 1 ? 1 : 0, /* ? button press */
2940 0); /* no click change */ 3140 0); /* no click change */
2941} 3141}
2942 3142
2943/* ------------------------------------------------------------------------- */ 3143/* ------------------------------------------------------------------------- */
2944/* 3144/*
2945 * Extend the selection to the specified col/row 3145 * Extend the selection to the specified col/row
2946 */ 3146 */
2947/* INTPROTO */ 3147void ecb_cold
2948void
2949rxvt_selection_extend_colrow(pR_ int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3148rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) noexcept
2950{ 3149{
2951 int16_t ncol = R->TermWin.ncol;
2952 int end_col;
2953 row_col_t pos; 3150 row_col_t pos;
2954 enum { 3151 enum {
2955 LEFT, RIGHT 3152 LEFT, RIGHT
2956 } closeto = RIGHT; 3153 } closeto = RIGHT;
2957 3154
2958 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));
2959 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));
2960
2961 R->want_refresh = 1;
2962 switch (R->selection.op) { 3155 switch (selection.op)
3156 {
2963 case SELECTION_INIT: 3157 case SELECTION_INIT:
2964 CLEAR_SELECTION(R); 3158 CLEAR_SELECTION ();
2965 R->selection.op = SELECTION_BEGIN; 3159 selection.op = SELECTION_BEGIN;
2966 /* FALLTHROUGH */ 3160 /* FALLTHROUGH */
2967 case SELECTION_BEGIN: 3161 case SELECTION_BEGIN:
2968 if (row != R->selection.mark.row || col != R->selection.mark.col 3162 if (row != selection.mark.row || col != selection.mark.col
2969 || (!button3 && buttonpress)) 3163 || (!button3 && buttonpress))
2970 R->selection.op = SELECTION_CONT; 3164 selection.op = SELECTION_CONT;
2971 break; 3165 break;
2972 case SELECTION_DONE: 3166 case SELECTION_DONE:
2973 R->selection.op = SELECTION_CONT; 3167 selection.op = SELECTION_CONT;
2974 /* FALLTHROUGH */ 3168 /* FALLTHROUGH */
2975 case SELECTION_CONT: 3169 case SELECTION_CONT:
2976 break; 3170 break;
2977 case SELECTION_CLEAR: 3171 case SELECTION_CLEAR:
2978 rxvt_selection_start_colrow(aR_ col, row); 3172 selection_start_colrow (col, row);
2979 /* FALLTHROUGH */ 3173 /* FALLTHROUGH */
2980 default: 3174 default:
2981 return; 3175 return;
2982 } 3176 }
3177
2983 if (R->selection.beg.col == R->selection.end.col 3178 if (selection.beg.col == selection.end.col
2984 && R->selection.beg.col != R->selection.mark.col 3179 && selection.beg.col != selection.mark.col
2985 && R->selection.beg.row == R->selection.end.row 3180 && selection.beg.row == selection.end.row
2986 && R->selection.beg.row != R->selection.mark.row) { 3181 && selection.beg.row != selection.mark.row)
3182 {
2987 R->selection.beg.col = R->selection.end.col = R->selection.mark.col; 3183 selection.beg.col = selection.end.col = selection.mark.col;
2988 R->selection.beg.row = R->selection.end.row = R->selection.mark.row; 3184 selection.beg.row = selection.end.row = selection.mark.row;
2989 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));
2990 } 3185 }
2991 3186
2992 pos.col = col; 3187 pos.col = col;
2993 pos.row = row; 3188 pos.row = view_start + row;
2994 3189
2995 pos.row -= R->TermWin.view_start; /* adjust for scroll */ 3190 /*
2996 3191 * This is mainly xterm style selection with a couple of differences, mainly
2997#ifndef NO_OLD_SELECTION 3192 * in the way button3 drag extension works.
2998/* 3193 * We're either doing: button1 drag; button3 press; or button3 drag
2999 * This mimics some of the selection behaviour of version 2.20 and before. 3194 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3000 * There are no ``selection modes'', button3 is always character extension. 3195 * is always at the left/right edge of the selection.
3001 * Note: button3 drag is always available, c.f. v2.20 3196 * b) button3 press: extend/contract character/word/line at whichever edge of
3002 * Selection always terminates (left or right as appropriate) at the mark. 3197 * the selection we are closest to.
3198 * c) button3 drag : extend/contract character/word/line - we select around
3199 * a point/word/line which is either the start or end of the selection
3200 * and it was decided by whichever point/word/line was `fixed' at the
3201 * time of the most recent button3 press
3003 */ 3202 */
3004 if (R->selection_style == OLD_SELECT) { 3203 if (button3 && buttonpress)
3005 if (R->selection.clicks == 1 || button3) { 3204 {
3006 if (R->hate_those_clicks) { 3205 /* button3 press */
3007 R->hate_those_clicks = 0; 3206 /*
3008 if (R->selection.clicks == 1) { 3207 * first determine which edge of the selection we are closest to
3009 R->selection.beg.row = R->selection.mark.row; 3208 */
3010 R->selection.beg.col = R->selection.mark.col; 3209 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3011 } else { 3210 || (!ROWCOL_IS_AFTER (pos, selection.end)
3211 && (((pos.col - selection.beg.col)
3212 + ((pos.row - selection.beg.row) * ncol))
3213 < ((selection.end.col - pos.col)
3214 + ((selection.end.row - pos.row) * ncol)))))
3215 closeto = LEFT;
3216
3217 if (closeto == LEFT)
3218 {
3219 selection.beg.row = pos.row;
3220 selection.beg.col = pos.col;
3221 selection.mark.row = selection.end.row;
3222 selection.mark.col = selection.end.col - (selection.clicks == 2);
3223 }
3224 else
3225 {
3226 selection.end.row = pos.row;
3227 selection.end.col = pos.col;
3012 R->selection.mark.row = R->selection.beg.row; 3228 selection.mark.row = selection.beg.row;
3013 R->selection.mark.col = R->selection.beg.col; 3229 selection.mark.col = selection.beg.col;
3230 }
3231 }
3232 else
3233 {
3234 /* button1 drag or button3 drag */
3235 if (ROWCOL_IS_AFTER (selection.mark, pos))
3236 {
3237 if (selection.mark.row == selection.end.row
3238 && selection.mark.col == selection.end.col
3239 && clickchange
3240 && selection.clicks == 2)
3241 selection.mark.col--;
3242
3243 selection.beg.row = pos.row;
3244 selection.beg.col = pos.col;
3245 selection.end.row = selection.mark.row;
3246 selection.end.col = selection.mark.col + (selection.clicks == 2);
3247 }
3248 else
3249 {
3250 selection.beg.row = selection.mark.row;
3251 selection.beg.col = selection.mark.col;
3252 selection.end.row = pos.row;
3253 selection.end.col = pos.col;
3254 }
3255 }
3256
3257 if (selection.clicks == 1)
3258 {
3259 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3260 && !ROW(selection.beg.row).is_longer ()
3261#if !ENABLE_MINIMAL
3262 && !selection.rect
3263#endif
3264 )
3265 selection.beg.col = ncol;
3266
3267 if (
3268 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN
3269 && !ROW(selection.end.row).is_longer ()
3270#if !ENABLE_MINIMAL
3271 && !selection.rect
3272#endif
3273 )
3274 selection.end.col = ncol;
3275 }
3276 else if (selection.clicks == 2)
3277 {
3278 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3279 selection.end.col--;
3280
3281 selection_delimit_word (UP, &selection.beg, &selection.beg);
3282 selection_delimit_word (DN, &selection.end, &selection.end);
3283 }
3284 else if (selection.clicks == 3)
3285 {
3286#if ENABLE_FRILLS
3287 if (option (Opt_tripleclickwords))
3288 {
3289 selection_delimit_word (UP, &selection.beg, &selection.beg);
3290
3291 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3292 {
3293 if (!ROW(end_row).is_longer ())
3294 {
3295 selection.end.row = end_row;
3296 selection.end.col = ROW(end_row).l;
3297# if !ENABLE_MINIMAL
3298 selection_remove_trailing_spaces ();
3299# endif
3300 break;
3014 } 3301 }
3015 } 3302 }
3016 if (ROWCOL_IS_BEFORE(pos, R->selection.mark)) {
3017 R->selection.end.row = R->selection.mark.row;
3018 R->selection.end.col = R->selection.mark.col + 1;
3019 R->selection.beg.row = pos.row;
3020 R->selection.beg.col = pos.col;
3021 } else {
3022 R->selection.beg.row = R->selection.mark.row;
3023 R->selection.beg.col = R->selection.mark.col;
3024 R->selection.end.row = pos.row;
3025 R->selection.end.col = pos.col + 1;
3026 } 3303 }
3027 } else if (R->selection.clicks == 2) { 3304 else
3028 rxvt_selection_delimit_word(aR_ UP, &(R->selection.mark), 3305#endif
3029 &(R->selection.beg)); 3306 {
3030 rxvt_selection_delimit_word(aR_ DN, &(R->selection.mark), 3307 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3031 &(R->selection.end)); 3308 selection.mark.col++;
3032 R->hate_those_clicks = 1; 3309
3033 } else if (R->selection.clicks == 3) {
3034 R->selection.beg.row = R->selection.end.row = R->selection.mark.row;
3035 R->selection.beg.col = 0; 3310 selection.beg.col = 0;
3036 R->selection.end.col = ncol; 3311 selection.end.col = ncol;
3037 R->hate_those_clicks = 1; 3312
3038 } 3313 // select a complete logical line
3039 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)); 3314 while (selection.beg.row > -saveLines
3040 return; 3315 && ROW(selection.beg.row - 1).is_longer ())
3041 } 3316 selection.beg.row--;
3042#endif /* ! NO_OLD_SELECTION */ 3317
3043#ifndef NO_NEW_SELECTION 3318 while (selection.end.row < nrow
3044/* selection_style must not be OLD_SELECT to get here */ 3319 && ROW(selection.end.row).is_longer ())
3045/* 3320 selection.end.row++;
3046 * This is mainly xterm style selection with a couple of differences, mainly
3047 * in the way button3 drag extension works.
3048 * We're either doing: button1 drag; button3 press; or button3 drag
3049 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3050 * is always at the left/right edge of the R->selection.
3051 * b) button3 press: extend/contract character/word/line at whichever edge of
3052 * the selection we are closest to.
3053 * c) button3 drag : extend/contract character/word/line - we select around
3054 * a point/word/line which is either the start or end of the selection
3055 * and it was decided by whichever point/word/line was `fixed' at the
3056 * time of the most recent button3 press
3057 */
3058 if (button3 && buttonpress) { /* button3 press */
3059 /* 3321 }
3060 * first determine which edge of the selection we are closest to 3322 }
3061 */ 3323
3062 if (ROWCOL_IS_BEFORE(pos, R->selection.beg) 3324 if (button3 && buttonpress)
3063 || (!ROWCOL_IS_AFTER(pos, R->selection.end) 3325 {
3064 && (((pos.col - R->selection.beg.col) 3326 /* mark may need to be changed */
3065 + ((pos.row - R->selection.beg.row) * ncol))
3066 < ((R->selection.end.col - pos.col)
3067 + ((R->selection.end.row - pos.row) * ncol)))))
3068 closeto = LEFT;
3069 if (closeto == LEFT) { 3327 if (closeto == LEFT)
3070 R->selection.beg.row = pos.row; 3328 {
3071 R->selection.beg.col = pos.col;
3072 R->selection.mark.row = R->selection.end.row; 3329 selection.mark.row = selection.end.row;
3073 R->selection.mark.col = R->selection.end.col 3330 selection.mark.col = selection.end.col - (selection.clicks == 2);
3074 - (R->selection.clicks == 2); 3331 }
3075 } else { 3332 else
3076 R->selection.end.row = pos.row; 3333 {
3077 R->selection.end.col = pos.col;
3078 R->selection.mark.row = R->selection.beg.row; 3334 selection.mark.row = selection.beg.row;
3079 R->selection.mark.col = R->selection.beg.col; 3335 selection.mark.col = selection.beg.col;
3080 }
3081 } else { /* button1 drag or button3 drag */
3082 if (ROWCOL_IS_AFTER(R->selection.mark, pos)) {
3083 if ((R->selection.mark.row == R->selection.end.row)
3084 && (R->selection.mark.col == R->selection.end.col)
3085 && clickchange && R->selection.clicks == 2)
3086 R->selection.mark.col--;
3087 R->selection.beg.row = pos.row;
3088 R->selection.beg.col = pos.col;
3089 R->selection.end.row = R->selection.mark.row;
3090 R->selection.end.col = R->selection.mark.col
3091 + (R->selection.clicks == 2);
3092 } else {
3093 R->selection.beg.row = R->selection.mark.row;
3094 R->selection.beg.col = R->selection.mark.col;
3095 R->selection.end.row = pos.row;
3096 R->selection.end.col = pos.col;
3097 }
3098 }
3099
3100 if (R->selection.clicks == 1) {
3101 end_col = R->screen.tlen[R->selection.beg.row + R->TermWin.saveLines];
3102 if (end_col != -1 && R->selection.beg.col > end_col) {
3103#if 1
3104 R->selection.beg.col = ncol;
3105#else
3106 if (R->selection.beg.row != R->selection.end.row)
3107 R->selection.beg.col = ncol;
3108 else
3109 R->selection.beg.col = R->selection.mark.col;
3110#endif
3111 }
3112 end_col = R->screen.tlen[R->selection.end.row + R->TermWin.saveLines];
3113 if (end_col != -1 && R->selection.end.col > end_col)
3114 R->selection.end.col = ncol;
3115
3116 } else if (R->selection.clicks == 2) {
3117 if (ROWCOL_IS_AFTER(R->selection.end, R->selection.beg))
3118 R->selection.end.col--;
3119 rxvt_selection_delimit_word(aR_ UP, &(R->selection.beg),
3120 &(R->selection.beg));
3121 rxvt_selection_delimit_word(aR_ DN, &(R->selection.end),
3122 &(R->selection.end));
3123 } else if (R->selection.clicks == 3) {
3124#ifndef NO_FRILLS
3125 if ((R->Options & Opt_tripleclickwords)) {
3126 int end_row;
3127
3128 rxvt_selection_delimit_word(aR_ UP, &(R->selection.beg),
3129 &(R->selection.beg));
3130 end_row = R->screen.tlen[R->selection.mark.row
3131 + R->TermWin.saveLines];
3132 for (end_row = R->selection.mark.row; end_row < R->TermWin.nrow;
3133 end_row++) {
3134 end_col = R->screen.tlen[end_row + R->TermWin.saveLines];
3135 if (end_col != -1) {
3136 R->selection.end.row = end_row;
3137 R->selection.end.col = end_col;
3138 rxvt_selection_remove_trailing_spaces(aR);
3139 break;
3140 }
3141 }
3142 } else
3143#endif
3144 { 3336 }
3145 if (ROWCOL_IS_AFTER(R->selection.mark, R->selection.beg))
3146 R->selection.mark.col++;
3147 R->selection.beg.col = 0;
3148 R->selection.end.col = ncol;
3149 }
3150 } 3337 }
3151 if (button3 && buttonpress) { /* mark may need to be changed */
3152 if (closeto == LEFT) {
3153 R->selection.mark.row = R->selection.end.row;
3154 R->selection.mark.col = R->selection.end.col
3155 - (R->selection.clicks == 2);
3156 } else {
3157 R->selection.mark.row = R->selection.beg.row;
3158 R->selection.mark.col = R->selection.beg.col;
3159 }
3160 }
3161 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));
3162#endif /* ! NO_NEW_SELECTION */
3163}
3164 3338
3165#ifndef NO_FRILLS 3339#if !ENABLE_MINIMAL
3166/* INTPROTO */ 3340 if (selection.rect && selection.beg.col > selection.end.col)
3167void 3341 ::swap (selection.beg.col, selection.end.col);
3342#endif
3343
3344 selection_changed ();
3345}
3346
3347#if !ENABLE_MINIMAL
3348void ecb_cold
3168rxvt_selection_remove_trailing_spaces(pR) 3349rxvt_term::selection_remove_trailing_spaces () noexcept
3169{ 3350{
3170 int32_t end_col, end_row; 3351 int32_t end_col, end_row;
3171 text_t *stp; 3352 text_t *stp;
3172 3353
3173 end_col = R->selection.end.col; 3354 end_col = selection.end.col;
3174 end_row = R->selection.end.row; 3355 end_row = selection.end.row;
3356
3175 for ( ; end_row >= R->selection.beg.row; ) { 3357 for (; end_row >= selection.beg.row; )
3176 stp = R->screen.text[end_row + R->TermWin.saveLines]; 3358 {
3359 stp = ROW(end_row).t;
3360
3177 while (--end_col >= 0) { 3361 while (--end_col >= 0)
3178 if (stp[end_col] != ' ' && stp[end_col] != '\t')
3179 break;
3180 } 3362 {
3181 if (end_col >= 0 3363 if (stp[end_col] != NOCHAR
3182 || R->screen.tlen[end_row - 1 + R->TermWin.saveLines] != -1) { 3364 && !unicode::is_space (stp[end_col]))
3183 R->selection.end.col = end_col + 1;
3184 R->selection.end.row = end_row;
3185 break; 3365 break;
3186 } 3366 }
3367
3368 if (end_col >= 0
3369 || !ROW(end_row - 1).is_longer ())
3370 {
3371 selection.end.col = end_col + 1;
3372 selection.end.row = end_row;
3373 break;
3374 }
3375
3187 end_row--; 3376 end_row--;
3188 end_col = R->TermWin.ncol; 3377 end_col = ncol;
3189 } 3378 }
3379
3190 if (R->selection.mark.row > R->selection.end.row) { 3380 if (selection.mark.row > selection.end.row)
3381 {
3191 R->selection.mark.row = R->selection.end.row; 3382 selection.mark.row = selection.end.row;
3192 R->selection.mark.col = R->selection.end.col; 3383 selection.mark.col = selection.end.col;
3384 }
3193 } else if (R->selection.mark.row == R->selection.end.row 3385 else if (selection.mark.row == selection.end.row
3194 && R->selection.mark.col > R->selection.end.col) 3386 && selection.mark.col > selection.end.col)
3195 R->selection.mark.col = R->selection.end.col; 3387 selection.mark.col = selection.end.col;
3196} 3388}
3197#endif 3389#endif
3198 3390
3199/* ------------------------------------------------------------------------- */ 3391/* ------------------------------------------------------------------------- */
3200/* 3392/*
3201 * Double click on button 3 when already selected 3393 * Double click on button 3 when already selected
3202 * EXT: button 3 double click 3394 * EXT: button 3 double click
3203 */ 3395 */
3204/* EXTPROTO */ 3396void ecb_cold
3205void
3206rxvt_selection_rotate(pR_ int x, int y) 3397rxvt_term::selection_rotate (int x, int y) noexcept
3207{ 3398{
3208 R->selection.clicks = R->selection.clicks % 3 + 1; 3399 selection.clicks = selection.clicks % 3 + 1;
3209 rxvt_selection_extend_colrow(aR_ Pixel2Col(x), Pixel2Row(y), 1, 0, 1); 3400 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3210} 3401}
3211
3212/* ------------------------------------------------------------------------- */
3213/*
3214 * On some systems, the Atom typedef is 64 bits wide. We need to have a type
3215 * that is exactly 32 bits wide, because a format of 64 is not allowed by
3216 * the X11 protocol.
3217 */
3218typedef CARD32 Atom32;
3219 3402
3220/* ------------------------------------------------------------------------- */ 3403/* ------------------------------------------------------------------------- */
3221/* 3404/*
3222 * Respond to a request for our current selection 3405 * Respond to a request for our current selection
3223 * EXT: SelectionRequest 3406 * EXT: SelectionRequest
3224 */ 3407 */
3225/* EXTPROTO */ 3408void ecb_cold
3226void
3227rxvt_selection_send(pR_ const XSelectionRequestEvent *rq) 3409rxvt_term::selection_send (const XSelectionRequestEvent &rq) noexcept
3228{ 3410{
3411 Atom property = rq.property == None ? rq.target : rq.property;
3229 XSelectionEvent ev; 3412 XSelectionEvent ev;
3230#ifdef USE_XIM 3413
3414 ev.type = SelectionNotify;
3415 ev.property = None;
3416 ev.display = rq.display;
3417 ev.requestor = rq.requestor;
3418 ev.selection = rq.selection;
3419 ev.target = rq.target;
3420 ev.time = rq.time;
3421
3422 if (rq.target == xa[XA_TARGETS])
3423 {
3231 Atom32 target_list[4]; 3424 Atom target_list[6];
3425 Atom *target = target_list;
3426
3427 *target++ = xa[XA_TARGETS];
3428 *target++ = xa[XA_TIMESTAMP];
3429 *target++ = XA_STRING;
3430 *target++ = xa[XA_TEXT];
3431 *target++ = xa[XA_COMPOUND_TEXT];
3432#if X_HAVE_UTF8_STRING
3433 *target++ = xa[XA_UTF8_STRING];
3434#endif
3435
3436 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3437 32, PropModeReplace,
3438 (unsigned char *)target_list, target - target_list);
3439 ev.property = property;
3440 }
3441#if TODO // TODO
3442 else if (rq.target == xa[XA_MULTIPLE])
3443 {
3444 /* TODO: Handle MULTIPLE */
3445 }
3446#endif
3447 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3448 {
3449 XChangeProperty (dpy, rq.requestor, property, rq.target,
3450 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3451 ev.property = property;
3452 }
3453 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3454 {
3455 XChangeProperty (dpy, rq.requestor, property, rq.target,
3456 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3457 ev.property = property;
3458 }
3459 else if (rq.target == XA_STRING
3460 || rq.target == xa[XA_TEXT]
3461 || rq.target == xa[XA_COMPOUND_TEXT]
3462 || rq.target == xa[XA_UTF8_STRING]
3463 )
3464 {
3465 XTextProperty ct;
3466 Atom target = rq.target;
3467 short freect = 0;
3468 int selectlen;
3469 wchar_t *cl;
3470 enum {
3471 enc_string = XStringStyle,
3472 enc_text = XStdICCTextStyle,
3473 enc_compound_text = XCompoundTextStyle,
3474#ifdef X_HAVE_UTF8_STRING
3475 enc_utf8 = XUTF8StringStyle,
3232#else 3476#else
3233 Atom32 target_list[3]; 3477 enc_utf8 = -1,
3234#endif 3478#endif
3235 Atom target; 3479 } style;
3236 XTextProperty ct;
3237 XICCEncodingStyle style;
3238 char *cl[2], dummy[1];
3239 3480
3240 ev.type = SelectionNotify;
3241 ev.property = None;
3242 ev.display = rq->display;
3243 ev.requestor = rq->requestor;
3244 ev.selection = rq->selection;
3245 ev.target = rq->target;
3246 ev.time = rq->time;
3247
3248 if (rq->target == R->xa[XA_TARGETS]) {
3249 target_list[0] = (Atom32) R->xa[XA_TARGETS];
3250 target_list[1] = (Atom32) XA_STRING;
3251 target_list[2] = (Atom32) R->xa[XA_TEXT];
3252#ifdef USE_XIM
3253 target_list[3] = (Atom32) R->xa[XA_COMPOUND_TEXT];
3254#endif
3255 XChangeProperty(R->Xdisplay, rq->requestor, rq->property, XA_ATOM,
3256 (8 * sizeof(target_list[0])), PropModeReplace,
3257 (unsigned char *)target_list,
3258 (sizeof(target_list) / sizeof(target_list[0])));
3259 ev.property = rq->property;
3260 } else if (rq->target == R->xa[XA_MULTIPLE]) {
3261 /* TODO: Handle MULTIPLE */
3262 } else if (rq->target == R->xa[XA_TIMESTAMP] && R->selection.text) {
3263 XChangeProperty(R->Xdisplay, rq->requestor, rq->property, XA_INTEGER,
3264 (8 * sizeof(Time)), PropModeReplace,
3265 (unsigned char *)&R->selection_time, 1);
3266 ev.property = rq->property;
3267 } else if (rq->target == XA_STRING
3268 || rq->target == R->xa[XA_COMPOUND_TEXT]
3269 || rq->target == R->xa[XA_TEXT]) {
3270#ifdef USE_XIM
3271 short freect = 0;
3272#endif
3273 int selectlen;
3274
3275#ifdef USE_XIM
3276 if (rq->target != XA_STRING) { 3481 if (target == XA_STRING)
3482 // we actually don't do XA_STRING, but who cares, as i18n clients
3483 // will ask for another format anyways.
3484 style = enc_string;
3485 else if (target == xa[XA_TEXT])
3486 style = enc_text;
3487 else if (target == xa[XA_COMPOUND_TEXT])
3488 style = enc_compound_text;
3489#if !ENABLE_MINIMAL
3490 else if (target == xa[XA_UTF8_STRING])
3491 style = enc_utf8;
3492#endif
3493 else
3494 {
3277 target = R->xa[XA_COMPOUND_TEXT]; 3495 target = xa[XA_COMPOUND_TEXT];
3278 style = (rq->target == R->xa[XA_COMPOUND_TEXT]) 3496 style = enc_compound_text;
3279 ? XCompoundTextStyle : XStdICCTextStyle;
3280 } else
3281#endif
3282 { 3497 }
3283 target = XA_STRING; 3498
3284 style = XStringStyle; 3499 if (rq.selection == XA_PRIMARY && selection.text)
3285 } 3500 {
3286 if (R->selection.text) {
3287 cl[0] = (char *)R->selection.text; 3501 cl = selection.text;
3288 selectlen = R->selection.len; 3502 selectlen = selection.len;
3503 }
3504 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3505 {
3506 cl = selection.clip_text;
3507 selectlen = selection.clip_len;
3508 }
3289 } else { 3509 else
3290 cl[0] = dummy; 3510 {
3291 *dummy = '\0'; 3511 cl = (wchar_t *)L"";
3292 selectlen = 0; 3512 selectlen = 0;
3513 }
3514
3515#if !ENABLE_MINIMAL
3516 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3517 // so recode it manually
3518 if (style == enc_utf8)
3293 } 3519 {
3294#ifdef USE_XIM
3295 if (XmbTextListToTextProperty(R->Xdisplay, cl, 1, style, &ct)
3296 == Success) /* if we failed to convert then send it raw */
3297 freect = 1; 3520 freect = 1;
3521 ct.encoding = target;
3522 ct.format = 8;
3523 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen);
3524 ct.nitems = strlen ((char *)ct.value);
3525 }
3298 else 3526 else
3299#endif 3527#endif
3528 if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3529 freect = 1;
3530 else
3300 { 3531 {
3532 /* if we failed to convert then send it raw */
3301 ct.value = (unsigned char *)cl[0]; 3533 ct.value = (unsigned char *)cl;
3302 ct.nitems = selectlen; 3534 ct.nitems = selectlen;
3535 ct.encoding = target;
3303 } 3536 }
3537
3304 XChangeProperty(R->Xdisplay, rq->requestor, rq->property, 3538 XChangeProperty (dpy, rq.requestor, property,
3305 target, 8, PropModeReplace, 3539 ct.encoding, 8, PropModeReplace,
3306 ct.value, (int)ct.nitems); 3540 ct.value, (int)ct.nitems);
3307 ev.property = rq->property; 3541 ev.property = property;
3308#ifdef USE_XIM 3542
3309 if (freect) 3543 if (freect)
3310 XFree(ct.value); 3544 XFree (ct.value);
3311#endif
3312 } 3545 }
3546
3313 XSendEvent(R->Xdisplay, rq->requestor, False, 0L, (XEvent *)&ev); 3547 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3314} 3548}
3315 3549
3316/* ------------------------------------------------------------------------- * 3550/* ------------------------------------------------------------------------- */
3317 * MOUSE ROUTINES *
3318 * ------------------------------------------------------------------------- */
3319
3320/*
3321 * return col/row values corresponding to x/y pixel values
3322 */
3323/* EXTPROTO */
3324void
3325rxvt_pixel_position(pR_ int *x, int *y)
3326{
3327 *x = Pixel2Col(*x);
3328/* MAX_IT(*x, 0); MIN_IT(*x, (int)R->TermWin.ncol - 1); */
3329 *y = Pixel2Row(*y);
3330/* MAX_IT(*y, 0); MIN_IT(*y, (int)R->TermWin.nrow - 1); */
3331}
3332/* ------------------------------------------------------------------------- */
3333#ifdef USE_XIM 3551#if USE_XIM
3334/* EXTPROTO */ 3552void ecb_cold
3335void 3553rxvt_term::im_set_position (XPoint &pos) noexcept
3336rxvt_setPosition(pR_ XPoint *pos)
3337{ 3554{
3338 XWindowAttributes xwa; 3555 XWindowAttributes xwa;
3339 3556
3340 XGetWindowAttributes(R->Xdisplay, R->TermWin.vt, &xwa); 3557 XGetWindowAttributes (dpy, vt, &xwa);
3341 pos->x = Col2Pixel(R->screen.cur.col) + xwa.x; 3558
3342 pos->y = Height2Pixel((R->screen.cur.row + 1)) + xwa.y 3559 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3343 - R->TermWin.lineSpace; 3560 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3344} 3561}
3345#endif 3562#endif
3346/* ------------------------------------------------------------------------- */ 3563
3347 3564#if ENABLE_OVERLAY
3565void
3566rxvt_term::scr_overlay_new (int x, int y, int w, int h) noexcept
3567{
3568 if (nrow < 1 || ncol < 1)
3569 return;
3570
3571 want_refresh = 1;
3572
3573 scr_overlay_off ();
3574
3575 if (x < 0) x = ncol - w;
3576 if (y < 0) y = nrow - h;
3577
3578 // make space for border
3579 w += 2; min_it (w, ncol);
3580 h += 2; min_it (h, nrow);
3581
3582 x -= 1; clamp_it (x, 0, ncol - w);
3583 y -= 1; clamp_it (y, 0, nrow - h);
3584
3585 ov.x = x; ov.y = y;
3586 ov.w = w; ov.h = h;
3587
3588 ov.text = new text_t *[h];
3589 ov.rend = new rend_t *[h];
3590
3591 for (y = 0; y < h; y++)
3592 {
3593 text_t *tp = ov.text[y] = new text_t[w];
3594 rend_t *rp = ov.rend[y] = new rend_t[w];
3595
3596 text_t t0, t1, t2;
3597 rend_t r = OVERLAY_RSTYLE;
3598
3599 if (y == 0)
3600 t0 = 0x2554, t1 = 0x2550, t2 = 0x2557;
3601 else if (y < h - 1)
3602 t0 = 0x2551, t1 = 0x0020, t2 = 0x2551;
3603 else
3604 t0 = 0x255a, t1 = 0x2550, t2 = 0x255d;
3605
3606 *tp++ = t0;
3607 *rp++ = r;
3608
3609 for (x = w - 2; x > 0; --x)
3610 {
3611 *tp++ = t1;
3612 *rp++ = r;
3613 }
3614
3615 *tp = t2;
3616 *rp = r;
3617 }
3618}
3619
3620void
3621rxvt_term::scr_overlay_off () noexcept
3622{
3623 if (!ov.text)
3624 return;
3625
3626 want_refresh = 1;
3627
3628 for (int y = 0; y < ov.h; y++)
3629 {
3630 delete [] ov.text[y];
3631 delete [] ov.rend[y];
3632 }
3633
3634 delete [] ov.text; ov.text = 0;
3635 delete [] ov.rend; ov.rend = 0;
3636}
3637
3638void
3639rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) noexcept
3640{
3641 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3642 return;
3643
3644 x++, y++;
3645
3646 ov.text[y][x] = text;
3647 ov.rend[y][x] = rend;
3648}
3649
3650void
3651rxvt_term::scr_overlay_set (int x, int y, const char *s) noexcept
3652{
3653 while (*s)
3654 scr_overlay_set (x++, y, *s++);
3655}
3656
3657void
3658rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) noexcept
3659{
3660 while (*s)
3661 {
3662 text_t t = *s++;
3663 int width = WCWIDTH (t);
3664
3665 while (width--)
3666 {
3667 scr_overlay_set (x++, y, t);
3668 t = NOCHAR;
3669 }
3670 }
3671}
3672
3673void
3674rxvt_term::scr_swap_overlay () noexcept
3675{
3676 if (!ov.text)
3677 return;
3678
3679 // hide cursor if it is within the overlay area
3680 if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
3681 && IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
3682 screen.flags &= ~Screen_VisibleCursor;
3683
3684 // swap screen mem with overlay
3685 for (int y = ov.h; y--; )
3686 {
3687 text_t *t1 = ov.text[y];
3688 rend_t *r1 = ov.rend[y];
3689
3690 text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3691 rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3692
3693 for (int x = ov.w; x--; )
3694 {
3695 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3696 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3697 }
3698 }
3699}
3700
3701#endif
3348/* ------------------------------------------------------------------------- * 3702/* ------------------------------------------------------------------------- */
3349 * DEBUG ROUTINES *
3350 * ------------------------------------------------------------------------- */
3351#if 0
3352/* INTPROTO */
3353void
3354rxvt_debug_colors(void)
3355{
3356 int color;
3357 const char *name[] = {
3358 "fg", "bg",
3359 "black", "red", "green", "yellow", "blue", "magenta", "cyan", "white"
3360 };
3361 3703
3362 fprintf(stderr, "Color ( ");
3363 if (R->rstyle & RS_RVid)
3364 fprintf(stderr, "rvid ");
3365 if (R->rstyle & RS_Bold)
3366 fprintf(stderr, "bold ");
3367 if (R->rstyle & RS_Blink)
3368 fprintf(stderr, "blink ");
3369 if (R->rstyle & RS_Uline)
3370 fprintf(stderr, "uline ");
3371 fprintf(stderr, "): ");
3372
3373 color = GET_FGCOLOR(R->rstyle);
3374#ifndef NO_BRIGHTCOLOR
3375 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3376 color -= (minBrightCOLOR - minCOLOR);
3377 fprintf(stderr, "bright ");
3378 }
3379#endif
3380 fprintf(stderr, "%s on ", name[color]);
3381
3382 color = GET_BGCOLOR(R->rstyle);
3383#ifndef NO_BRIGHTCOLOR
3384 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3385 color -= (minBrightCOLOR - minCOLOR);
3386 fprintf(stderr, "bright ");
3387 }
3388#endif
3389 fprintf(stderr, "%s\n", name[color]);
3390}
3391#endif

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