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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.5 by pcg, Thu Nov 27 16:49:45 2003 UTC vs.
Revision 1.464 by root, Thu Aug 4 18:11:59 2022 UTC

1/*--------------------------------*-C-*--------------------------------------* 1/*---------------------------------------------------------------------------*
2 * File: screen.c 2 * File: screen.C
3 *---------------------------------------------------------------------------* 3 *---------------------------------------------------------------------------*
4 * $Id: screen.C,v 1.5 2003/11/27 16:49:45 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#define RESET_CHSTAT(H) \
43 if ((H)->chstat == WBYTE) \
44 (H)->chstat = SBYTE, (H)->lost_multi = 1
45
46/* ------------------------------------------------------------------------- */ 41/* ------------------------------------------------------------------------- */
47#define PROP_SIZE 16384
48#define TABSIZE 8 /* default tab size */ 42#define TABSIZE 8 /* default tab size */
49 43
50/* ------------------------------------------------------------------------- * 44/* ------------------------------------------------------------------------- *
51 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES * 45 * GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
52 * ------------------------------------------------------------------------- */ 46 * ------------------------------------------------------------------------- */
53#define ZERO_SCROLLBACK(R) \ 47#define ZERO_SCROLLBACK() \
54 if (((R)->Options & Opt_scrollTtyOutput) == Opt_scrollTtyOutput) \ 48 if (option (Opt_scrollTtyOutput)) \
55 (R)->TermWin.view_start = 0 49 view_start = 0
56#define CLEAR_SELECTION(R) \ 50#define CLEAR_SELECTION() \
57 (R)->selection.beg.row = (R)->selection.beg.col \ 51 selection.beg.row = selection.beg.col \
58 = (R)->selection.end.row = (R)->selection.end.col = 0 52 = selection.end.row = selection.end.col = 0
59#define CLEAR_ALL_SELECTION(R) \ 53#define CLEAR_ALL_SELECTION() \
60 (R)->selection.beg.row = (R)->selection.beg.col \ 54 selection.beg.row = selection.beg.col \
61 = (R)->selection.mark.row = (R)->selection.mark.col \ 55 = selection.mark.row = selection.mark.col \
62 = (R)->selection.end.row = (R)->selection.end.col = 0 56 = selection.end.row = selection.end.col = 0
63 57
64#define ROW_AND_COL_IS_AFTER(A, B, C, D) \ 58#define ROW_AND_COL_IS_AFTER(A, B, C, D) \
65 (((A) > (C)) || (((A) == (C)) && ((B) > (D)))) 59 (((A) > (C)) || (((A) == (C)) && ((B) > (D))))
66#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \ 60#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \
67 (((A) < (C)) || (((A) == (C)) && ((B) < (D)))) 61 (((A) < (C)) || (((A) == (C)) && ((B) < (D))))
68#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \ 62#define ROW_AND_COL_IN_ROW_AFTER(A, B, C, D) \
69 (((A) == (C)) && ((B) > (D))) 63 (((A) == (C)) && ((B) > (D)))
70#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) \
71 (((A) == (C)) && ((B) >= (D))) 65 (((A) == (C)) && ((B) >= (D)))
72#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \ 66#define ROW_AND_COL_IN_ROW_BEFORE(A, B, C, D) \
73 (((A) == (C)) && ((B) < (D))) 67 (((A) == (C)) && ((B) < (D)))
74#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) \
75 (((A) == (C)) && ((B) <= (D))) 69 (((A) == (C)) && ((B) <= (D)))
76 70
77/* these must be row_col_t */ 71/* these must be row_col_t */
78#define ROWCOL_IS_AFTER(X, Y) \ 72#define ROWCOL_IS_AFTER(X, Y) \
79 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)
80#define ROWCOL_IS_BEFORE(X, Y) \ 74#define ROWCOL_IS_BEFORE(X, Y) \
81 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)
82#define ROWCOL_IN_ROW_AFTER(X, Y) \ 76#define ROWCOL_IN_ROW_AFTER(X, Y) \
83 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)
84#define ROWCOL_IN_ROW_BEFORE(X, Y) \ 78#define ROWCOL_IN_ROW_BEFORE(X, Y) \
85 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)
86#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \ 80#define ROWCOL_IN_ROW_AT_OR_AFTER(X, Y) \
87 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)
88#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \ 82#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \
89 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)
90 84
91/* 85/*
92 * CLEAR_ROWS : clear <num> rows starting from row <row>
93 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y> 86 * CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>
94 * ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour
95 */ 87 */
96#define drawBuffer (R->TermWin.vt)
97
98#define CLEAR_ROWS(row, num) \
99 if (R->TermWin.mapped) \
100 XClearArea(R->Xdisplay, drawBuffer, R->TermWin.int_bwidth, \
101 Row2Pixel(row), (unsigned int)R->TermWin.width, \
102 (unsigned int)Height2Pixel(num), False)
103
104#define CLEAR_CHARS(x, y, num) \ 88#define CLEAR_CHARS(x, y, num) \
105 if (R->TermWin.mapped) \ 89 if (mapped) \
106 XClearArea(R->Xdisplay, drawBuffer, x, y, \ 90 XClearArea (dpy, vt, x, y, \
107 (unsigned int)Width2Pixel(num), \ 91 (unsigned int)Width2Pixel (num), \
108 (unsigned int)Height2Pixel(1), False) 92 (unsigned int)Height2Pixel (1), False)
109
110#define ERASE_ROWS(row, num) \
111 XFillRectangle(R->Xdisplay, drawBuffer, R->TermWin.gc, \
112 R->TermWin.int_bwidth, Row2Pixel(row), \
113 (unsigned int)R->TermWin.width, \
114 (unsigned int)Height2Pixel(num))
115 93
116/* ------------------------------------------------------------------------- * 94/* ------------------------------------------------------------------------- *
117 * SCREEN `COMMON' ROUTINES * 95 * SCREEN `COMMON' ROUTINES *
118 * ------------------------------------------------------------------------- */ 96 * ------------------------------------------------------------------------- */
97
119/* Fill part/all of a line with blanks. */ 98/* Fill part/all of a line with blanks. */
120/* INTPROTO */
121void 99void
122rxvt_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
123{ 101{
124 efs &= ~RS_baseattrMask; 102 if (!l.valid ())
125 efs = SET_FONT (efs, R->TermWin.fontset->find_font (' ')); 103 {
104 l.alloc ();
105 col = 0;
106 width = ncol;
107 }
126 108
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
127 while (width--) 117 while (width--)
128 { 118 {
129 *et++ = ' '; 119 *et++ = ' ';
130 *er++ = efs; 120 *er++ = efs;
131 } 121 }
132} 122}
133 123
134/* ------------------------------------------------------------------------- */ 124/* ------------------------------------------------------------------------- */
135/* 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 */
136/* INTPROTO */
137void 126void
138rxvt_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
139{ 128{
140 int width = R->TermWin.ncol; 129 scr_blank_line (l, 0, ncol, efs);
141 rend_t *er;
142 130
143#ifdef DEBUG_STRICT 131 l.l = 0;
144 assert((tp[row] && rp[row]) || (tp[row] == NULL && rp[row] == NULL)); 132 l.f = 0;
145#endif 133}
146 if (tp[row] == NULL) { 134
147 tp[row] = (text_t *)rxvt_malloc(sizeof(text_t) * width); 135// nuke a single wide character at the given column
148 rp[row] = (rend_t *)rxvt_malloc(sizeof(rend_t) * width); 136void
149 } 137rxvt_term::scr_kill_char (line_t &l, int col) const noexcept
150 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);
151} 164}
152 165
153/* ------------------------------------------------------------------------- * 166/* ------------------------------------------------------------------------- *
154 * SCREEN INITIALISATION * 167 * SCREEN INITIALISATION *
155 * ------------------------------------------------------------------------- */ 168 * ------------------------------------------------------------------------- */
156/* EXTPROTO */ 169
157void 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
158rxvt_scr_reset(pR) 215rxvt_term::scr_reset ()
159{ 216{
160 unsigned int ncol, nrow, prev_ncol, prev_nrow, 217#if ENABLE_OVERLAY
161 total_rows, prev_total_rows; 218 scr_overlay_off ();
162 unsigned int p, q; 219#endif
163 int k;
164 rend_t setrstyle;
165 220
166 D_SCREEN((stderr, "rxvt_scr_reset()")); 221 view_start = 0;
167
168 R->TermWin.view_start = 0;
169 RESET_CHSTAT(R);
170 R->num_scr = 0; 222 num_scr = 0;
171 223
172 prev_ncol = R->prev_ncol; 224 if (ncol == 0)
173 prev_nrow = R->prev_nrow; 225 ncol = 80;
174 if (R->TermWin.ncol == 0) 226
175 R->TermWin.ncol = 80; 227 if (nrow == 0)
176 if (R->TermWin.nrow == 0) 228 nrow = 24;
177 R->TermWin.nrow = 24; 229
178 ncol = R->TermWin.ncol;
179 nrow = R->TermWin.nrow;
180 if (ncol == prev_ncol && nrow == prev_nrow) 230 if (ncol == prev_ncol && nrow == prev_nrow)
181 return; 231 return;
182 232
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
183 R->want_refresh = 1; 242 want_refresh = 1;
184 243
185 total_rows = nrow + R->TermWin.saveLines;
186 prev_total_rows = prev_nrow + R->TermWin.saveLines; 244 int prev_total_rows = prev_nrow + saveLines;
245 total_rows = nrow + saveLines;
187 246
188 R->screen.tscroll = 0; 247 screen.tscroll = 0;
189 R->screen.bscroll = nrow - 1; 248 screen.bscroll = nrow - 1;
190 249
191 if (prev_nrow == 0) { 250 void *prev_chunk = chunk;
192/* 251 size_t prev_chunk_size = chunk_size;
193 * A: first time called so just malloc everything : don't rely on realloc 252 line_t *prev_drawn_buf = drawn_buf;
194 * Note: this is still needed so that all the scrollback lines are NULL 253 line_t *prev_swap_buf = swap_buf;
195 */ 254 line_t *prev_row_buf = row_buf;
196 R->screen.text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
197 R->buf_text = (text_t **)rxvt_calloc(total_rows, sizeof(text_t *));
198 R->drawn_text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
199 R->swap.text = (text_t **)rxvt_calloc(nrow, sizeof(text_t *));
200 255
201 R->screen.tlen = (int16_t *)rxvt_calloc(total_rows, sizeof(int16_t)); 256 scr_alloc ();
202 R->swap.tlen = (int16_t *)rxvt_calloc(nrow, sizeof(int16_t));
203 257
204 R->screen.rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *)); 258 if (!prev_row_buf)
205 R->buf_rend = (rend_t **)rxvt_calloc(total_rows, sizeof(rend_t *)); 259 {
206 R->drawn_rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *)); 260 top_row = 0;
207 R->swap.rend = (rend_t **)rxvt_calloc(nrow, sizeof(rend_t *)); 261 term_start = 0;
208 262
209 for (p = 0; p < nrow; p++) {
210 q = p + R->TermWin.saveLines;
211 rxvt_blank_screen_mem(aR_ R->screen.text, R->screen.rend,
212 q, DEFAULT_RSTYLE);
213 rxvt_blank_screen_mem(aR_ R->swap.text, R->swap.rend,
214 p, DEFAULT_RSTYLE);
215 R->screen.tlen[q] = R->swap.tlen[p] = 0;
216 rxvt_blank_screen_mem(aR_ R->drawn_text, R->drawn_rend,
217 p, DEFAULT_RSTYLE);
218 }
219 MEMSET(R->charsets, 'B', sizeof(R->charsets)); 263 memset (charsets, 'B', sizeof (charsets));
220 R->TermWin.nscrolled = 0; /* no saved lines */
221 R->rstyle = DEFAULT_RSTYLE; 264 rstyle = DEFAULT_RSTYLE;
222 R->screen.flags = Screen_DefaultFlags; 265 screen.flags = Screen_DefaultFlags;
223 R->screen.cur.row = R->screen.cur.col = 0; 266 screen.cur.row = screen.cur.col = 0;
224 R->screen.charset = 0; 267 screen.charset = 0;
225 R->current_screen = PRIMARY; 268 current_screen = PRIMARY;
226 rxvt_scr_cursor(aR_ SAVE); 269 scr_cursor (SAVE);
270
227#if NSCREENS 271#if NSCREENS
228 R->swap.flags = Screen_DefaultFlags; 272 swap.flags = Screen_DefaultFlags;
229 R->swap.cur.row = R->swap.cur.col = 0; 273 swap.cur.row = swap.cur.col = 0;
230 R->swap.charset = 0; 274 swap.charset = 0;
231 R->current_screen = SECONDARY; 275 current_screen = SECONDARY;
232 rxvt_scr_cursor(aR_ SAVE); 276 scr_cursor (SAVE);
233 R->current_screen = PRIMARY; 277 current_screen = PRIMARY;
234#endif 278#endif
279
235 R->selection.text = NULL; 280 selection.text = NULL;
236 R->selection.len = 0; 281 selection.len = 0;
237 R->selection.op = SELECTION_CLEAR; 282 selection.op = SELECTION_CLEAR;
238 R->selection.screen = PRIMARY; 283 selection.screen = PRIMARY;
239 R->selection.clicks = 0; 284 selection.clicks = 0;
240 CLEAR_ALL_SELECTION(R); 285 selection.clip_text = NULL;
241 R->rvideo = 0; 286 selection.clip_len = 0;
242 287 }
243 } else { 288 else
244/* 289 {
290 /*
245 * B1: add or delete rows as appropriate 291 * add or delete rows as appropriate
246 */ 292 */
247 setrstyle = DEFAULT_RSTYLE;
248 293
249 if (nrow < prev_nrow) { 294 int common_col = min (prev_ncol, ncol);
250 /* delete rows */ 295
251 k = min(R->TermWin.nscrolled, prev_nrow - nrow); 296 // resize swap_buf, blank drawn_buf
252 rxvt_scroll_text(aR_ 0, (int)prev_nrow - 1, k, 1); 297 for (int row = min (nrow, prev_nrow); row--; )
253 for (p = nrow; p < prev_nrow; p++) { 298 {
254 q = p + R->TermWin.saveLines; 299 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
255 if (R->screen.text[q]) { 300 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
256#ifdef DEBUG_STRICT 301 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
257 assert(R->screen.rend[q]); 302
258#endif 303 copy_line (swap_buf [row], prev_swap_buf [row]);
259 free(R->screen.text[q]); 304 }
260 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;
261 } 333 }
262 if (R->swap.text[p]) { 334
263#ifdef DEBUG_STRICT 335 int qlines = max (0, (llen - 1) / ncol) + 1;
264 assert(R->swap.rend[p]); 336
265#endif 337 q -= qlines;
266 free(R->swap.text[p]); 338
267 free(R->swap.rend[p]); 339 // drop partial lines completely
340 if (q < 0)
341 break;
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 }
268 } 385 }
269#ifdef DEBUG_STRICT 386
270 assert(R->drawn_text[p] && R->drawn_rend[p]); 387 qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
271#endif 388 qline->is_longer (0);
272 free(R->drawn_text[p]); 389 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
273 free(R->drawn_rend[p]);
274 } 390 }
275 /* we have fewer rows so fix up cursor position */ 391 while (p != pend && q > 0);
276 MIN_IT(R->screen.cur.row, (int32_t)nrow - 1); 392 }
277 MIN_IT(R->swap.cur.row, (int32_t)nrow - 1); 393 else
394#endif
395 {
396 // wing, instead of wrap
397 do
398 {
399 p = MOD (p - 1, prev_total_rows);
400 q--;
278 401
279 rxvt_scr_reset_realloc(aR); /* realloc _last_ */ 402 copy_line (row_buf [q], prev_row_buf [p]);
280
281 } else if (nrow > prev_nrow) {
282 /* add rows */
283 rxvt_scr_reset_realloc(aR); /* realloc _first_ */
284
285 k = min(R->TermWin.nscrolled, nrow - prev_nrow);
286 for (p = prev_total_rows; p < total_rows; p++) {
287 R->screen.tlen[p] = 0;
288 R->screen.text[p] = NULL;
289 R->screen.rend[p] = NULL;
290 } 403 }
291 for (p = prev_total_rows; p < total_rows - k; p++) 404 while (p != pend);
292 rxvt_blank_screen_mem(aR_ R->screen.text, R->screen.rend,
293 p, setrstyle);
294 for (p = prev_nrow; p < nrow; p++) {
295 R->swap.tlen[p] = 0;
296 R->swap.text[p] = NULL;
297 R->swap.rend[p] = NULL;
298 R->drawn_text[p] = NULL;
299 R->drawn_rend[p] = NULL;
300 rxvt_blank_screen_mem(aR_ R->swap.text, R->swap.rend,
301 p, setrstyle);
302 rxvt_blank_screen_mem(aR_ R->drawn_text, R->drawn_rend,
303 p, setrstyle);
304 } 405 }
305 if (k > 0) { 406
306 rxvt_scroll_text(aR_ 0, (int)nrow - 1, -k, 1); 407 term_start = total_rows - nrow;
307 R->screen.cur.row += k; 408 top_row = q - term_start;
308 R->screen.s_cur.row += k; 409
309 R->TermWin.nscrolled -= k; 410 // make sure all terminal lines exist
310 } 411 while (top_row > 0)
311#ifdef DEBUG_STRICT 412 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
312 assert(R->screen.cur.row < R->TermWin.nrow); 413
313 assert(R->swap.cur.row < R->TermWin.nrow); 414 clamp_it (screen.cur.row, 0, nrow - 1);
314#else /* drive with your eyes closed */ 415 clamp_it (screen.cur.col, 0, ncol - 1);
315 MIN_IT(R->screen.cur.row, nrow - 1); 416 }
316 MIN_IT(R->swap.cur.row, nrow - 1); 417
317#endif 418 for (int row = nrow; row--; )
318 }
319/* B2: resize columns */
320 if (ncol != prev_ncol) {
321 for (p = 0; p < total_rows; p++) {
322 if (R->screen.text[p]) {
323 R->screen.text[p] = (text_t *)rxvt_realloc(R->screen.text[p], ncol * sizeof(text_t));
324 R->screen.rend[p] = (rend_t *)rxvt_realloc(R->screen.rend[p], ncol * sizeof(rend_t));
325 MIN_IT(R->screen.tlen[p], (int16_t)ncol);
326 if (ncol > prev_ncol)
327 rxvt_blank_line(aR_
328 &(R->screen.text[p][prev_ncol]),
329 &(R->screen.rend[p][prev_ncol]),
330 ncol - prev_ncol,
331 setrstyle);
332 }
333 }
334 for (p = 0; p < nrow; p++) {
335 R->drawn_text[p] = (text_t *)rxvt_realloc(R->drawn_text[p], ncol * sizeof(text_t));
336 R->drawn_rend[p] = (rend_t *)rxvt_realloc(R->drawn_rend[p], ncol * sizeof(rend_t));
337 if (R->swap.text[p]) {
338 R->swap.text[p] = (text_t *)rxvt_realloc(R->swap.text[p], ncol * sizeof(text_t));
339 R->swap.rend[p] = (rend_t *)rxvt_realloc(R->swap.rend[p], ncol * sizeof(rend_t));
340 MIN_IT(R->swap.tlen[p], (int16_t)ncol);
341 if (ncol > prev_ncol)
342 rxvt_blank_line(aR_
343 &(R->swap.text[p][prev_ncol]),
344 &(R->swap.rend[p][prev_ncol]),
345 ncol - prev_ncol, setrstyle);
346 }
347 if (ncol > prev_ncol)
348 rxvt_blank_line(aR_
349 &(R->drawn_text[p][prev_ncol]),
350 &(R->drawn_rend[p][prev_ncol]),
351 ncol - prev_ncol, setrstyle);
352 }
353 MIN_IT(R->screen.cur.col, (int16_t)ncol - 1);
354 MIN_IT(R->swap.cur.col, (int16_t)ncol - 1);
355 }
356 if (R->tabs)
357 free(R->tabs);
358 } 419 {
420 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
421 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
422 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
423 }
359 424
425 chunk_free (prev_chunk, prev_chunk_size);
426
427 free (tabs);
360 R->tabs = (char *)rxvt_malloc(ncol * sizeof(char)); 428 tabs = (char *)rxvt_malloc (ncol);
361 429
362 for (p = 0; p < ncol; p++) 430 for (int col = ncol; col--; )
363 R->tabs[p] = (p % TABSIZE == 0) ? 1 : 0; 431 tabs [col] = col % TABSIZE == 0;
364 432
433 CLEAR_ALL_SELECTION ();
434
365 R->prev_nrow = nrow; 435 prev_nrow = nrow;
366 R->prev_ncol = ncol; 436 prev_ncol = ncol;
367 437
368 rxvt_tt_winsize (R->cmd_fd, R->TermWin.ncol, R->TermWin.nrow, R->cmd_pid); 438 tt_winch ();
369}
370 439
371/* INTPROTO */ 440 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
372void
373rxvt_scr_reset_realloc(pR)
374{
375 uint16_t total_rows, nrow;
376
377 nrow = R->TermWin.nrow;
378 total_rows = nrow + R->TermWin.saveLines;
379/* *INDENT-OFF* */
380 R->screen.text = (text_t **)rxvt_realloc(R->screen.text, total_rows * sizeof(text_t *));
381 R->buf_text = (text_t **)rxvt_realloc(R->buf_text , total_rows * sizeof(text_t *));
382 R->drawn_text = (text_t **)rxvt_realloc(R->drawn_text , nrow * sizeof(text_t *));
383 R->swap.text = (text_t **)rxvt_realloc(R->swap.text , nrow * sizeof(text_t *));
384
385 R->screen.tlen = (int16_t *)rxvt_realloc(R->screen.tlen, total_rows * sizeof(int16_t));
386 R->swap.tlen = (int16_t *)rxvt_realloc(R->swap.tlen , total_rows * sizeof(int16_t));
387
388 R->screen.rend = (rend_t **)rxvt_realloc(R->screen.rend, total_rows * sizeof(rend_t *));
389 R->buf_rend = (rend_t **)rxvt_realloc(R->buf_rend , total_rows * sizeof(rend_t *));
390 R->drawn_rend = (rend_t **)rxvt_realloc(R->drawn_rend , nrow * sizeof(rend_t *));
391 R->swap.rend = (rend_t **)rxvt_realloc(R->swap.rend , nrow * sizeof(rend_t *));
392/* *INDENT-ON* */
393} 441}
394 442
395/* ------------------------------------------------------------------------- */ 443void ecb_cold
396/* 444rxvt_term::scr_release () noexcept
397 * Free everything. That way malloc debugging can find leakage.
398 */
399/* EXTPROTO */
400void
401rxvt_scr_release(pR)
402{ 445{
403 uint16_t total_rows; 446 chunk_free (chunk, chunk_size);
404 int i; 447 chunk = 0;
448 row_buf = 0;
405 449
406 total_rows = R->TermWin.nrow + R->TermWin.saveLines;
407 for (i = 0; i < total_rows; i++) {
408 if (R->screen.text[i]) { /* then so is R->screen.rend[i] */
409 free(R->screen.text[i]);
410#ifdef DEBUG_STRICT
411 assert(R->screen.rend[i]);
412#endif
413 free(R->screen.rend[i]);
414 }
415 }
416 for (i = 0; i < R->TermWin.nrow; i++) {
417 free(R->drawn_text[i]);
418 free(R->drawn_rend[i]);
419 free(R->swap.text[i]);
420 free(R->swap.rend[i]);
421 }
422 free(R->screen.text);
423 free(R->screen.tlen);
424 free(R->screen.rend);
425 free(R->drawn_text);
426 free(R->drawn_rend);
427 free(R->swap.text);
428 free(R->swap.tlen);
429 free(R->swap.rend);
430 free(R->buf_text);
431 free(R->buf_rend);
432 free(R->tabs); 450 free (tabs);
433 451 tabs = 0;
434/* NULL these so if anything tries to use them, we'll know about it */
435 R->screen.text = R->drawn_text = R->swap.text = NULL;
436 R->screen.rend = R->drawn_rend = R->swap.rend = NULL;
437 R->screen.tlen = R->swap.tlen = NULL;
438 R->buf_text = NULL;
439 R->buf_rend = NULL;
440 R->tabs = NULL;
441} 452}
442 453
443/* ------------------------------------------------------------------------- */ 454/* ------------------------------------------------------------------------- */
444/* 455/*
445 * Hard reset 456 * Hard/Soft reset
446 */ 457 */
447/* EXTPROTO */ 458void ecb_cold
448void
449rxvt_scr_poweron(pR) 459rxvt_term::scr_poweron ()
450{ 460{
451 D_SCREEN((stderr, "rxvt_scr_poweron()"));
452
453 rxvt_scr_release(aR); 461 scr_release ();
462
454 R->prev_nrow = R->prev_ncol = 0; 463 prev_nrow = prev_ncol = 0;
455 rxvt_scr_reset(aR); 464 rvideo_mode = false;
465 scr_soft_reset ();
466 scr_reset ();
456 467
457 rxvt_scr_clear(aR); 468 scr_clear (true);
458 rxvt_scr_refresh(aR_ SLOW_REFRESH); 469 scr_refresh ();
459#ifdef RXVT_GRAPHICS 470}
460 rxvt_Gr_reset(aR); 471
472void ecb_cold
473rxvt_term::scr_soft_reset () noexcept
474{
475 /* only affects modes, nothing drastic such as clearing the screen */
476#if ENABLE_OVERLAY
477 scr_overlay_off ();
461#endif 478#endif
479
480 if (current_screen != PRIMARY)
481 scr_swap_screen ();
482
483 scr_scroll_region (0, MAX_ROWS - 1);
484 scr_rendition (0, ~RS_None);
485 scr_insert_mode (0);
462} 486}
463 487
464/* ------------------------------------------------------------------------- * 488/* ------------------------------------------------------------------------- *
465 * PROCESS SCREEN COMMANDS * 489 * PROCESS SCREEN COMMANDS *
466 * ------------------------------------------------------------------------- */ 490 * ------------------------------------------------------------------------- */
467/* 491/*
468 * Save and Restore cursor 492 * Save and Restore cursor
469 * XTERM_SEQ: Save cursor : ESC 7 493 * XTERM_SEQ: Save cursor : ESC 7
470 * XTERM_SEQ: Restore cursor: ESC 8 494 * XTERM_SEQ: Restore cursor: ESC 8
471 */ 495 */
472/* EXTPROTO */
473void 496void
474rxvt_scr_cursor(pR_ int mode) 497rxvt_term::scr_cursor (cursor_mode mode) noexcept
475{ 498{
476 screen_t *s; 499 screen_t *s;
477
478 D_SCREEN((stderr, "rxvt_scr_cursor(%c)", mode));
479 500
480#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 501#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
481 if (R->current_screen == SECONDARY) 502 if (current_screen == SECONDARY)
482 s = &(R->swap); 503 s = &swap;
483 else 504 else
484#endif 505#endif
485 s = &(R->screen); 506 s = &screen;
507
486 switch (mode) { 508 switch (mode)
509 {
487 case SAVE: 510 case SAVE:
488 s->s_cur.row = s->cur.row; 511 s->s_cur.row = screen.cur.row;
489 s->s_cur.col = s->cur.col; 512 s->s_cur.col = screen.cur.col;
490 s->s_rstyle = R->rstyle; 513 s->s_rstyle = rstyle;
491 s->s_charset = s->charset; 514 s->s_charset = screen.charset;
492 s->s_charset_char = R->charsets[s->charset]; 515 s->s_charset_char = charsets[screen.charset];
493 break; 516 break;
517
494 case RESTORE: 518 case RESTORE:
495 R->want_refresh = 1; 519 want_refresh = 1;
496 s->cur.row = s->s_cur.row; 520 screen.cur.row = s->s_cur.row;
497 s->cur.col = s->s_cur.col; 521 screen.cur.col = s->s_cur.col;
498 s->flags &= ~Screen_WrapNext; 522 screen.flags &= ~Screen_WrapNext;
499 R->rstyle = s->s_rstyle; 523 rstyle = s->s_rstyle;
500 s->charset = s->s_charset; 524 screen.charset = s->s_charset;
501 R->charsets[s->charset] = s->s_charset_char; 525 charsets[screen.charset] = s->s_charset_char;
502 rxvt_set_font_style(aR); 526 set_font_style ();
503 break; 527 break;
504 } 528 }
529
505/* boundary check in case screen size changed between SAVE and RESTORE */ 530 /* boundary check in case screen size changed between SAVE and RESTORE */
506 MIN_IT(s->cur.row, R->TermWin.nrow - 1); 531 min_it (s->cur.row, nrow - 1);
507 MIN_IT(s->cur.col, R->TermWin.ncol - 1); 532 min_it (s->cur.col, ncol - 1);
508#ifdef DEBUG_STRICT
509 assert(s->cur.row >= 0); 533 assert (s->cur.row >= 0);
510 assert(s->cur.col >= 0); 534 assert (s->cur.col >= 0);
511#else /* drive with your eyes closed */ 535}
512 MAX_IT(s->cur.row, 0); 536
513 MAX_IT(s->cur.col, 0); 537void
514#endif 538rxvt_term::scr_swap_screen () noexcept
539{
540 if (!option (Opt_secondaryScreen))
541 return;
542
543 for (int i = prev_nrow; i--; )
544 ::swap (ROW(i), swap_buf [i]);
545
546 ::swap (screen.cur, swap.cur);
547
548 screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
549 screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
515} 550}
516 551
517/* ------------------------------------------------------------------------- */ 552/* ------------------------------------------------------------------------- */
518/* 553/*
519 * Swap between primary and secondary screens 554 * Swap between primary and secondary screens
520 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h 555 * XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
521 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l 556 * XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
522 */ 557 */
523/* EXTPROTO */ 558void
524int
525rxvt_scr_change_screen(pR_ int scrn) 559rxvt_term::scr_change_screen (int scrn)
526{ 560{
527 int i; 561 if (scrn == current_screen)
562 return;
563
564 want_refresh = 1;
565 view_start = 0;
566
567 /* check for boundary cross */
568 row_col_t pos;
569 pos.row = pos.col = 0;
570 if (ROWCOL_IS_BEFORE (selection.beg, pos)
571 && ROWCOL_IS_AFTER (selection.end, pos))
572 CLEAR_SELECTION ();
573
574 current_screen = scrn;
575
528#if NSCREENS 576#if NSCREENS
529 int offset; 577 if (option (Opt_secondaryScreen))
530#endif 578 {
531
532 R->want_refresh = 1;
533
534 D_SCREEN((stderr, "rxvt_scr_change_screen(%d)", scrn));
535
536 R->TermWin.view_start = 0;
537 RESET_CHSTAT(R);
538
539 if (R->current_screen == scrn)
540 return R->current_screen;
541
542 rxvt_selection_check(aR_ 2); /* check for boundary cross */
543
544 SWAP_IT(R->current_screen, scrn, int);
545#if NSCREENS
546 R->num_scr = 0; 579 num_scr = 0;
547 offset = R->TermWin.saveLines; 580
548 for (i = R->prev_nrow; i--;) { 581 scr_swap_screen ();
549 SWAP_IT(R->screen.text[i + offset], R->swap.text[i], text_t *); 582
550 SWAP_IT(R->screen.tlen[i + offset], R->swap.tlen[i], int16_t); 583 ::swap (screen.charset, swap.charset);
551 SWAP_IT(R->screen.rend[i + offset], R->swap.rend[i], rend_t *); 584 ::swap (screen.flags, swap.flags);
552 }
553 SWAP_IT(R->screen.cur.row, R->swap.cur.row, int16_t);
554 SWAP_IT(R->screen.cur.col, R->swap.cur.col, int16_t);
555# ifdef DEBUG_STRICT
556 assert((R->screen.cur.row >= 0) && (R->screen.cur.row < R->prev_nrow));
557 assert((R->screen.cur.col >= 0) && (R->screen.cur.col < R->prev_ncol));
558# else /* drive with your eyes closed */
559 MAX_IT(R->screen.cur.row, 0);
560 MIN_IT(R->screen.cur.row, (int32_t)R->prev_nrow - 1);
561 MAX_IT(R->screen.cur.col, 0);
562 MIN_IT(R->screen.cur.col, (int32_t)R->prev_ncol - 1);
563# endif
564 SWAP_IT(R->screen.charset, R->swap.charset, int16_t);
565 SWAP_IT(R->screen.flags, R->swap.flags, int);
566 R->screen.flags |= Screen_VisibleCursor; 585 screen.flags |= Screen_VisibleCursor;
567 R->swap.flags |= Screen_VisibleCursor; 586 swap.flags |= Screen_VisibleCursor;
568
569# ifdef RXVT_GRAPHICS
570
571 if (rxvt_Gr_Displayed(aR)) {
572 rxvt_Gr_scroll(aR_ 0);
573 rxvt_Gr_ChangeScreen(aR);
574 } 587 }
588 else
575# endif 589#endif
576#else 590 if (option (Opt_secondaryScroll))
577# ifdef SCROLL_ON_NO_SECONDARY
578# ifdef RXVT_GRAPHICS
579 if (rxvt_Gr_Displayed(aR))
580 rxvt_Gr_ClearScreen(aR);
581# endif
582 if (R->current_screen == PRIMARY
583# ifdef RXVT_GRAPHICS
584 && !rxvt_Gr_Displayed(aR)
585# endif
586 )
587 rxvt_scroll_text(aR_ 0, (R->prev_nrow - 1), R->prev_nrow, 0); 591 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
588# endif 592}
589#endif 593
594// clear WrapNext indicator, solidifying position on next line
595void
596rxvt_term::scr_do_wrap () noexcept
597{
598 if (!(screen.flags & Screen_WrapNext))
590 return scrn; 599 return;
600
601 screen.flags &= ~Screen_WrapNext;
602
603 screen.cur.col = 0;
604
605 if (screen.cur.row == screen.bscroll)
606 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
607 else if (screen.cur.row < nrow - 1)
608 screen.cur.row++;
591} 609}
592 610
593/* ------------------------------------------------------------------------- */ 611/* ------------------------------------------------------------------------- */
594/* 612/*
595 * Change the colour for following text 613 * Change the colour for following text
596 */ 614 */
597/* EXTPROTO */
598void 615void
599rxvt_scr_color(pR_ unsigned int color, int fgbg) 616rxvt_term::scr_color (unsigned int color, int fgbg) noexcept
600{ 617{
618 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR24))
601 color &= RS_fgMask; 619 color = fgbg;
620
602 if (fgbg == Color_fg) 621 if (fgbg == Color_fg)
603 R->rstyle = SET_FGCOLOR(R->rstyle, color); 622 rstyle = SET_FGCOLOR (rstyle, color);
604 else 623 else
605 R->rstyle = SET_BGCOLOR(R->rstyle, color); 624 rstyle = SET_BGCOLOR (rstyle, color);
606} 625}
607 626
608/* ------------------------------------------------------------------------- */ 627/* ------------------------------------------------------------------------- */
609/* 628/*
610 * Change the rendition style for following text 629 * Change the rendition style for following text
611 */ 630 */
612/* EXTPROTO */
613void 631void
614rxvt_scr_rendition(pR_ int set, int style) 632rxvt_term::scr_rendition (int set, int style) noexcept
615{ 633{
616 if (set) 634 if (set)
617 R->rstyle |= style; 635 rstyle |= style;
618 else if (style == ~RS_None) 636 else if (style == ~RS_None)
619 R->rstyle = DEFAULT_RSTYLE; 637 rstyle = DEFAULT_RSTYLE;
620 else 638 else
621 R->rstyle &= ~style; 639 rstyle &= ~style;
622} 640}
623 641
624/* ------------------------------------------------------------------------- */ 642/* ------------------------------------------------------------------------- */
625/* 643/*
626 * Scroll text between <row1> and <row2> inclusive, by <count> lines 644 * Scroll text between <row1> and <row2> inclusive, by <count> lines
627 * count positive ==> scroll up 645 * count positive ==> scroll up
628 * count negative ==> scroll down 646 * count negative ==> scroll down
629 * spec == 0 for normal routines
630 */ 647 */
631/* EXTPROTO */ 648int ecb_hot
632int
633rxvt_scroll_text(pR_ int row1, int row2, int count, int spec) 649rxvt_term::scr_scroll_text (int row1, int row2, int count) noexcept
634{ 650{
635 int i, j;
636 long nscrolled;
637
638 if (count == 0 || (row1 > row2)) 651 if (count == 0 || (row1 > row2))
639 return 0; 652 return 0;
640 653
641 R->want_refresh = 1; 654 want_refresh = 1;
642 D_SCREEN((stderr, "rxvt_scroll_text(%d,%d,%d,%d): %s", row1, row2, count, spec, (R->current_screen == PRIMARY) ? "Primary" : "Secondary")); 655 num_scr += count;
643 656
644 if ((count > 0) && (row1 == 0) && (R->current_screen == PRIMARY)) { 657 if (count > 0
645 nscrolled = (long)R->TermWin.nscrolled + (long)count;; 658 && row1 == 0
646 if (nscrolled > (long)R->TermWin.saveLines) 659 && (current_screen == PRIMARY || option (Opt_secondaryScroll)))
647 R->TermWin.nscrolled = R->TermWin.saveLines; 660 {
661 min_it (count, total_rows - (nrow - (row2 + 1)));
662
663 top_row = max (top_row - count, -saveLines);
664
665 // sever bottommost line
666 {
667 line_t &l = ROW(row2);
668 l.is_longer (0);
669 l.touch ();
670 }
671
672 // scroll everything up 'count' lines
673 term_start = (term_start + count) % total_rows;
674
675 // now copy lines below the scroll region bottom to the
676 // bottom of the screen again, so they look as if they
677 // hadn't moved.
678 for (int i = nrow; --i > row2; )
679 {
680 line_t &l1 = ROW(i - count);
681 line_t &l2 = ROW(i);
682
683 ::swap (l1, l2);
684 l2.touch ();
685 }
686
687 // erase newly scrolled-in lines
688 for (int i = count; i--; )
689 {
690 line_t &l = ROW(row2 - i);
691
692 // optimise if already cleared, can be significant on slow machines
693 // could be rolled into scr_blank_screen_mem
694 if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
695 {
696 scr_blank_line (l, 0, l.l, rstyle);
697 l.l = 0;
698 l.f = 0;
699 }
648 else 700 else
649 R->TermWin.nscrolled = (uint16_t)nscrolled; 701 scr_blank_screen_mem (l, rstyle);
702 }
703
704 // move and/or clear selection, if any
705 if (selection.op && current_screen == selection.screen
706 && selection.beg.row <= row2)
707 {
708 selection.beg.row -= count;
709 selection.end.row -= count;
710 selection.mark.row -= count;
711
712 selection_check (0);
713 }
714
715 // finally move the view window, if desired
650 if ((R->Options & Opt_scrollWithBuffer) 716 if (option (Opt_scrollWithBuffer)
651 && R->TermWin.view_start != 0 717 && view_start != 0
652 && R->TermWin.view_start != R->TermWin.saveLines) 718 && view_start != -saveLines)
653 rxvt_scr_page(aR_ UP, count); 719 scr_page (count);
654 } else if (!spec)
655 row1 += R->TermWin.saveLines;
656 row2 += R->TermWin.saveLines;
657 720
721 if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
722 HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
723 }
724 else
725 {
658 if (R->selection.op && R->current_screen == R->selection.screen) { 726 if (selection.op && current_screen == selection.screen)
659 i = R->selection.beg.row + R->TermWin.saveLines; 727 {
660 j = R->selection.end.row + R->TermWin.saveLines; 728 if ((selection.beg.row < row1 && selection.end.row > row1)
661 if ((i < row1 && j > row1) 729 || (selection.beg.row < row2 && selection.end.row > row2)
662 || (i < row2 && j > row2) 730 || (selection.beg.row - count < row1 && selection.beg.row >= row1)
663 || (i - count < row1 && i >= row1) 731 || (selection.beg.row - count > row2 && selection.beg.row <= row2)
664 || (i - count > row2 && i <= row2) 732 || (selection.end.row - count < row1 && selection.end.row >= row1)
665 || (j - count < row1 && j >= row1) 733 || (selection.end.row - count > row2 && selection.end.row <= row2))
666 || (j - count > row2 && j <= row2)) { 734 {
667 CLEAR_ALL_SELECTION(R); 735 CLEAR_ALL_SELECTION ();
668 R->selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */ 736 selection.op = SELECTION_CLEAR;
669 } else if (j >= row1 && j <= row2) { 737 }
738 else if (selection.end.row >= row1 && selection.end.row <= row2)
739 {
670 /* move selected region too */ 740 /* move selected region too */
671 R->selection.beg.row -= count; 741 selection.beg.row -= count;
672 R->selection.end.row -= count; 742 selection.end.row -= count;
673 R->selection.mark.row -= count; 743 selection.mark.row -= count;
744
745 selection_check (0);
746 }
747 }
748
749 // use a simple and robust scrolling algorithm, this
750 // part of scr_scroll_text is not time-critical.
751
752 // sever line above scroll region
753 if (row1)
674 } 754 {
675 } 755 line_t &l = ROW(row1 - 1);
676 rxvt_selection_check(aR_ 0); /* _after_ R->TermWin.nscrolled update */ 756 l.is_longer (0);
757 l.touch ();
758 }
677 759
678 R->num_scr += count;
679 j = count;
680 if (count < 0)
681 count = -count;
682 i = row2 - row1 + 1; 760 int rows = row2 - row1 + 1;
683 MIN_IT(count, i);
684 761
685 if (j > 0) { 762 min_it (count, rows);
686/* A: scroll up */
687 763
688/* A1: Copy lines that will get clobbered by the rotation */ 764 line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
689 for (i = 0, j = row1; i < count; i++, j++) { 765
690 R->buf_text[i] = R->screen.text[j]; 766 for (int row = 0; row < rows; row++)
691 R->buf_rend[i] = R->screen.rend[j];
692 } 767 {
693/* A2: Rotate lines */ 768 temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
694 for (j = row1, i = j + count; i <= row2; i++, j++) { 769
695 R->screen.tlen[j] = R->screen.tlen[i]; 770 if (!IN_RANGE_EXC (row + count, 0, rows))
696 R->screen.text[j] = R->screen.text[i]; 771 scr_blank_screen_mem (temp_buf [row], rstyle);
697 R->screen.rend[j] = R->screen.rend[i]; 772 }
773
774 for (int row = 0; row < rows; row++)
775 ROW(row1 + row) = temp_buf [row];
776
777 // sever bottommost line
778 {
779 line_t &l = ROW(row2);
780 l.is_longer (0);
781 l.touch ();
698 } 782 }
699 j = row2 - count + 1, i = count;
700 } else /* if (j < 0) */ {
701/* B: scroll down */
702
703/* B1: Copy lines that will get clobbered by the rotation */
704 for (i = 0, j = row2; i < count; i++, j--) {
705 R->buf_text[i] = R->screen.text[j];
706 R->buf_rend[i] = R->screen.rend[j];
707 }
708/* B2: Rotate lines */
709 for (j = row2, i = j - count; i >= row1; i--, j--) {
710 R->screen.tlen[j] = R->screen.tlen[i];
711 R->screen.text[j] = R->screen.text[i];
712 R->screen.rend[j] = R->screen.rend[i];
713 }
714 j = row1, i = count;
715 count = -count;
716 } 783 }
717 784
718/* C: Resurrect lines */
719 for (; i--; j++) {
720 R->screen.tlen[j] = 0;
721 R->screen.text[j] = R->buf_text[i];
722 R->screen.rend[j] = R->buf_rend[i];
723 if (!spec) /* line length may not equal TermWin.ncol */
724 rxvt_blank_screen_mem(aR_ R->screen.text, R->screen.rend,
725 (unsigned int)j, R->rstyle);
726 }
727
728#ifdef RXVT_GRAPHICS
729 if (rxvt_Gr_Displayed(aR))
730 rxvt_Gr_scroll(aR_ count);
731#endif
732 return count; 785 return count;
733} 786}
734 787
735/* ------------------------------------------------------------------------- */ 788/* ------------------------------------------------------------------------- */
736/* 789/*
737 * Add text given in <str> of length <len> to screen struct 790 * Add text given in <str> of length <len> to screen struct
738 */ 791 */
739/* EXTPROTO */ 792void ecb_hot
740void 793rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) noexcept
741rxvt_scr_add_lines(pR_ const uint32_t *str, int nlines, int len)
742{ 794{
743 unsigned char checksel, clearsel;
744 uint32_t c;
745 int i, row, last_col;
746 text_t *stp;
747 rend_t *srp;
748
749 if (len <= 0) /* sanity */ 795 if (len <= 0) /* sanity */
750 return; 796 return;
751 797
798 bool checksel;
799 unicode_t c;
800 int ncol = this->ncol;
801 const wchar_t *strend = str + len;
802
752 R->want_refresh = 1; 803 want_refresh = 1;
753 last_col = R->TermWin.ncol;
754
755 D_SCREEN((stderr, "rxvt_scr_add_lines(%d,%d)", nlines, len));
756 ZERO_SCROLLBACK(R); 804 ZERO_SCROLLBACK ();
805
757 if (nlines > 0) { 806 if (minlines > 0)
807 {
758 nlines += (R->screen.cur.row - R->screen.bscroll); 808 minlines += screen.cur.row - screen.bscroll;
809 min_it (minlines, screen.cur.row - top_row);
810
759 if ((nlines > 0) 811 if (minlines > 0
760 && (R->screen.tscroll == 0) 812 && screen.tscroll == 0
761 && (R->screen.bscroll == (R->TermWin.nrow - 1))) { 813 && screen.bscroll == nrow - 1)
814 {
762 /* _at least_ this many lines need to be scrolled */ 815 /* _at least_ this many lines need to be scrolled */
763 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, nlines, 816 scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
764 0);
765 R->screen.cur.row -= nlines; 817 screen.cur.row -= minlines;
766 } 818 }
767 } 819 }
768#ifdef DEBUG_STRICT 820
769 assert(R->screen.cur.col < last_col); 821 assert (screen.cur.col < ncol);
770 assert((R->screen.cur.row < R->TermWin.nrow) 822 assert (screen.cur.row < nrow
771 && (R->screen.cur.row >= -(int32_t)R->TermWin.nscrolled)); 823 && screen.cur.row >= top_row);
772#else /* drive with your eyes closed */ 824 int row = screen.cur.row;
773 MIN_IT(R->screen.cur.col, last_col - 1);
774 MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1);
775 MAX_IT(R->screen.cur.row, -(int32_t)R->TermWin.nscrolled);
776#endif
777 row = R->screen.cur.row + R->TermWin.saveLines;
778 825
779 checksel = (R->selection.op 826 checksel = selection.op && current_screen == selection.screen ? 1 : 0;
780 && R->current_screen == R->selection.screen) ? 1 : 0;
781 clearsel = 0;
782 827
783 stp = R->screen.text[row]; 828 line_t *line = &ROW(row);
784 srp = R->screen.rend[row];
785 829
786 for (i = 0; i < len;) { 830 while (str < strend)
787 c = str[i++]; 831 {
788 switch (c) { 832 c = (unicode_t)*str++; // convert to rxvt-unicodes representation
789 case '\t': 833
790 rxvt_scr_tab(aR_ 1); 834 if (ecb_unlikely (c < 0x20))
835 if (c == C0_LF)
836 {
837 max_it (line->l, screen.cur.col);
838
839 screen.flags &= ~Screen_WrapNext;
840
841 if (screen.cur.row == screen.bscroll)
842 scr_scroll_text (screen.tscroll, screen.bscroll, 1);
843 else if (screen.cur.row < (nrow - 1))
844 row = ++screen.cur.row;
845
846 line = &ROW(row); /* _must_ refresh */
791 continue; 847 continue;
792 case '\n': 848 }
793 if (R->screen.tlen[row] != -1) /* XXX: think about this */ 849 else if (c == C0_CR)
794 MAX_IT(R->screen.tlen[row], R->screen.cur.col); 850 {
851 max_it (line->l, screen.cur.col);
852
795 R->screen.flags &= ~Screen_WrapNext; 853 screen.flags &= ~Screen_WrapNext;
796 if (R->screen.cur.row == R->screen.bscroll) 854 screen.cur.col = 0;
797 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, 1, 0);
798 else if (R->screen.cur.row < (R->TermWin.nrow - 1))
799 row = (++R->screen.cur.row) + R->TermWin.saveLines;
800 stp = R->screen.text[row]; /* _must_ refresh */
801 srp = R->screen.rend[row]; /* _must_ refresh */
802 RESET_CHSTAT(R);
803 continue; 855 continue;
804 case '\r': 856 }
805 if (R->screen.tlen[row] != -1) /* XXX: think about this */ 857 else if (c == C0_HT)
806 MAX_IT(R->screen.tlen[row], R->screen.cur.col); 858 {
807 R->screen.flags &= ~Screen_WrapNext; 859 scr_tab (1, true);
808 R->screen.cur.col = 0;
809 RESET_CHSTAT(R);
810 continue; 860 continue;
811 default:
812 if (c == 127)
813 continue; /* yummmm..... */
814 break;
815 } 861 }
816 862
863 if (ecb_unlikely (
817 if (checksel /* see if we're writing within selection */ 864 checksel /* see if we're writing within selection */
818 && !ROWCOL_IS_BEFORE(R->screen.cur, R->selection.beg) 865 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
819 && ROWCOL_IS_BEFORE(R->screen.cur, R->selection.end)) { 866 && ROWCOL_IS_BEFORE (screen.cur, selection.end)
867 ))
868 {
820 checksel = 0; 869 checksel = 0;
821 clearsel = 1; 870 /*
871 * If we wrote anywhere in the selected area, kill the selection
872 * XXX: should we kill the mark too? Possibly, but maybe that
873 * should be a similar check.
874 */
875 CLEAR_SELECTION ();
876 }
877
878 if (ecb_unlikely (screen.flags & Screen_WrapNext))
822 } 879 {
823 if (R->screen.flags & Screen_WrapNext) { 880 scr_do_wrap ();
824 R->screen.tlen[row] = -1; 881
825 if (R->screen.cur.row == R->screen.bscroll) 882 line->l = ncol;
826 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, 1, 0); 883 line->is_longer (1);
827 else if (R->screen.cur.row < (R->TermWin.nrow - 1)) 884
828 row = (++R->screen.cur.row) + R->TermWin.saveLines; 885 row = screen.cur.row;
829 stp = R->screen.text[row]; /* _must_ refresh */ 886 line = &ROW(row); /* _must_ refresh */
830 srp = R->screen.rend[row]; /* _must_ refresh */ 887 }
831 R->screen.cur.col = 0; 888
832 R->screen.flags &= ~Screen_WrapNext; 889 // some utf-8 decoders "decode" surrogate characters: let's fix this.
890 if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
891 c = 0xfffd;
892
893 // rely on wcwidth to tell us the character width, do wcwidth before
894 // further replacements, as wcwidth might return -1 for the line
895 // drawing characters below as they might be invalid in the current
896 // locale.
897 int width = WCWIDTH (c);
898
899 if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
833 } 900 {
834 if (R->screen.flags & Screen_Insert) 901 // vt100 special graphics and line drawing
835 rxvt_scr_insdel_chars(aR_ 1, INSERT); 902 // 5f-7e standard vt100
903 // 40-5e rxvt extension for extra curses acs chars
904 static uint16_t vt100_0[62] = { // 41 .. 7e
905 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 hi mr. snowman!
906 0, 0, 0, 0, 0, 0, 0, 0, // 48-4f
907 0, 0, 0, 0, 0, 0, 0, 0, // 50-57
908 0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f
909 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67
910 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f
911 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77
912 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e
913 };
836 914
837 if (R->charsets[R->screen.charset] == '0') // DEC SPECIAL 915 if (c >= 0x41 && c <= 0x7e && vt100_0[c - 0x41])
838 switch (c)
839 { 916 {
840 case '+': c = 0x2192; break; case ',': c = 0x2190; break; case '-': c = 0x2191; break; 917 c = vt100_0[c - 0x41];
841 case '.': c = 0x2193; break; case '0': c = 0x25ae; break; case '`': c = 0x25c6; break; 918 width = 1; // vt100 line drawing characters are always single-width
842 case 'a': c = 0x2592; break; case 'f': c = 0x00b0; break; case 'g': c = 0x00b1; break;
843 case 'h': c = 0x2592; break; case 'i': c = 0x2603; break; case 'j': c = 0x2518; break;
844 case 'k': c = 0x2510; break; case 'l': c = 0x250c; break; case 'm': c = 0x2514; break;
845 case 'n': c = 0x253c; break; case 'o': c = 0x23ba; break; case 'p': c = 0x23bb; break;
846 case 'q': c = 0x2500; break; case 'r': c = 0x23bc; break; case 's': c = 0x23bd; break;
847 case 't': c = 0x251c; break; case 'u': c = 0x2524; break; case 'v': c = 0x2534; break;
848 case 'w': c = 0x252c; break; case 'x': c = 0x2502; break; case 'y': c = 0x2264; break;
849 case 'z': c = 0x2265; break; case '{': c = 0x03c0; break; case '|': c = 0x2260; break;
850 case '}': c = 0x00a3; break; case '~': c = 0x00b7; break;
851 } 919 }
920 }
852 921
853 rend_t rend = SET_FONT (R->rstyle, R->TermWin.fontset->find_font (c)); 922 if (ecb_unlikely (screen.flags & Screen_Insert))
923 scr_insdel_chars (width, INSERT);
854 924
855 stp[R->screen.cur.col] = c; 925 if (width != 0)
856 srp[R->screen.cur.col] = rend;
857
858 if (c > 255)
859 { 926 {
860 // rely on wcwidth to tell us the character width, at least for non iso-8859-1 927#if !UNICODE_3
861 int width = wcwidth (c); 928 // trim characters we can't store directly :(
929 if (c >= 0x10000)
930# if ENABLE_COMBINING
931 c = rxvt_composite.compose (c); // map to lower 16 bits
932# else
933 c = 0xfffd;
934# endif
935#endif
936
937 rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
938
939 // if the character doesn't fit into the remaining columns...
940 if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
862 941 {
863 if (width > 1)
864 {
865 while (--width > 0 && R->screen.cur.col < last_col - 1)
866 {
867
868 srp[R->screen.cur.col] |= RS_wide;
869
870 R->screen.cur.col++;
871 stp[R->screen.cur.col] = NOCHAR;
872 srp[R->screen.cur.col] = rend;
873 }
874 }
875 }
876
877 if (R->screen.cur.col < last_col - 1)
878 R->screen.cur.col++;
879 else {
880 R->screen.tlen[row] = last_col;
881 if (R->screen.flags & Screen_Autowrap) 942 if (screen.flags & Screen_Autowrap)
943 {
944 // ... artificially enlargen the previous one
945 c = NOCHAR;
946 // and try the same character next loop iteration
947 --str;
948 }
949 else
950 screen.cur.col = ncol - width;
951 }
952
953 // nuke the character at this position, if required
954 // due to wonderful coincidences everywhere else in this loop
955 // we never have to check for overwriting a wide char itself,
956 // only its tail.
957 if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
958 scr_kill_char (*line, screen.cur.col);
959
960 line->touch ();
961
962 do
963 {
964 line->t[screen.cur.col] = c;
965 line->r[screen.cur.col] = rend;
966
967 if (ecb_likely (screen.cur.col < ncol - 1))
968 screen.cur.col++;
969 else
970 {
971 line->l = ncol;
972 if (screen.flags & Screen_Autowrap)
882 R->screen.flags |= Screen_WrapNext; 973 screen.flags |= Screen_WrapNext;
974
975 goto end_of_line;
976 }
977
978 c = NOCHAR;
979 }
980 while (ecb_unlikely (--width > 0));
981
982 // pad with spaces when overwriting wide character with smaller one
983 for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
984 {
985 line->t[c] = ' ';
986 line->r[c] = rend;
987 }
988
989end_of_line:
990 ;
991 }
992#if ENABLE_COMBINING
993 else // width == 0
883 } 994 {
884 } 995 if (c != 0xfeff) // ignore BOM
885 if (R->screen.tlen[row] != -1) /* XXX: think about this */ 996 {
886 MAX_IT(R->screen.tlen[row], R->screen.cur.col); 997 // handle combining characters
998 // we just tag the accent on the previous on-screen character.
999 // this is arguably not correct, but also arguably not wrong.
1000 // we don't handle double-width characters nicely yet.
1001 line_t *linep;
1002 text_t *tp;
1003 rend_t *rp;
887 1004
888/* 1005 if (screen.cur.col > 0)
889 * If we wrote anywhere in the selected area, kill the selection 1006 {
890 * XXX: should we kill the mark too? Possibly, but maybe that 1007 linep = line;
891 * should be a similar check. 1008 tp = line->t + screen.cur.col - 1;
892 */ 1009 rp = line->r + screen.cur.col - 1;
893 if (clearsel) 1010 }
894 CLEAR_SELECTION(R); 1011 else if (screen.cur.row > 0
1012 && ROW(screen.cur.row - 1).is_longer ())
1013 {
1014 linep = &ROW(screen.cur.row - 1);
1015 tp = linep->t + ncol - 1;
1016 rp = linep->r + ncol - 1;
1017 }
1018 else
1019 continue;
895 1020
896#ifdef DEBUG_STRICT 1021 linep->touch ();
1022
1023 while (*tp == NOCHAR && tp > linep->t)
1024 tp--, rp--;
1025
1026 // first try to find a precomposed character
1027 unicode_t n = rxvt_compose (*tp, c);
1028 if (n == NOCHAR)
1029 n = rxvt_composite.compose (*tp, c);
1030
1031 *tp = n;
1032 *rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
1033 }
1034 }
1035#endif
1036 }
1037
1038 max_it (line->l, screen.cur.col);
1039
897 assert(R->screen.cur.row >= 0); 1040 assert (screen.cur.row >= 0);
898#else /* drive with your eyes closed */
899 MAX_IT(R->screen.cur.row, 0);
900#endif
901} 1041}
902 1042
903/* ------------------------------------------------------------------------- */ 1043/* ------------------------------------------------------------------------- */
904/* 1044/*
905 * Process Backspace. Move back the cursor back a position, wrap if have to 1045 * Process Backspace. Move back the cursor back a position, wrap if have to
906 * XTERM_SEQ: CTRL-H 1046 * XTERM_SEQ: CTRL-H
907 */ 1047 */
908/* EXTPROTO */
909void 1048void
910rxvt_scr_backspace(pR) 1049rxvt_term::scr_backspace () noexcept
911{ 1050{
912 RESET_CHSTAT(R);
913 R->want_refresh = 1;
914 if (R->screen.cur.col == 0) { 1051 if (screen.cur.col == 0)
1052 {
915 if (R->screen.cur.row > 0) { 1053 if (screen.cur.row > 0)
1054 {
916#ifdef TERMCAP_HAS_BW 1055#ifdef TERMCAP_HAS_BW
917 R->screen.cur.col = R->TermWin.ncol - 1; 1056 screen.cur.col = ncol - 1;
918 R->screen.cur.row--; 1057 --screen.cur.row;
919 return; 1058
1059 want_refresh = 1;
920#endif 1060#endif
921 } 1061 }
1062 }
922 } else if ((R->screen.flags & Screen_WrapNext) == 0) 1063 else if (screen.flags & Screen_WrapNext)
923 rxvt_scr_gotorc(aR_ 0, -1, RELATIVE);
924 R->screen.flags &= ~Screen_WrapNext; 1064 screen.flags &= ~Screen_WrapNext;
1065 else
1066 scr_gotorc (0, -1, RELATIVE);
925} 1067}
926 1068
927/* ------------------------------------------------------------------------- */ 1069/* ------------------------------------------------------------------------- */
928/* 1070/*
929 * Process Horizontal Tab 1071 * Process Horizontal Tab
930 * count: +ve = forward; -ve = backwards 1072 * count: +ve = forward; -ve = backwards
931 * XTERM_SEQ: CTRL-I 1073 * XTERM_SEQ: CTRL-I
932 */ 1074 */
933/* EXTPROTO */
934void 1075void
935rxvt_scr_tab(pR_ int count) 1076rxvt_term::scr_tab (int count, bool ht) noexcept
936{ 1077{
937 int i, x; 1078 int i, x;
938 1079
939 D_SCREEN((stderr, "rxvt_scr_tab(%d)", count));
940 R->want_refresh = 1; 1080 want_refresh = 1;
941 RESET_CHSTAT(R);
942 i = x = R->screen.cur.col; 1081 i = x = screen.cur.col;
1082
943 if (count == 0) 1083 if (count == 0)
944 return; 1084 return;
945 else if (count > 0) { 1085 else if (count > 0)
1086 {
1087 line_t &l = ROW(screen.cur.row);
1088 rend_t base_rend = l.r[i];
1089 ht &= l.t[i] == ' ';
1090
946 for (; ++i < R->TermWin.ncol; ) 1091 for (; ++i < ncol; )
947 if (R->tabs[i]) { 1092 if (tabs[i])
1093 {
948 x = i; 1094 x = i;
1095
949 if (!--count) 1096 if (!--count)
950 break; 1097 break;
1098 }
1099 else
1100 ht &= l.t[i] == ' '
1101 && RS_SAME (l.r[i], base_rend);
1102
1103 if (count)
1104 x = ncol - 1;
1105
1106 // store horizontal tab commands as characters inside the text
1107 // buffer so they can be selected and pasted.
1108 if (ht && option (Opt_pastableTabs))
1109 {
1110 base_rend = SET_FONT (base_rend, 0);
1111
1112 l.touch (x);
1113
1114 i = screen.cur.col;
1115
1116 l.t[i] = '\t';
1117 l.r[i] = base_rend;
1118
1119 while (++i < x)
1120 {
1121 l.t[i] = NOCHAR;
1122 l.r[i] = base_rend;
951 } 1123 }
952 if (count) 1124 }
953 x = R->TermWin.ncol - 1; 1125 }
954 } else /* if (count < 0) */ { 1126 else /* if (count < 0) */
1127 {
955 for (; --i >= 0; ) 1128 for (; --i >= 0; )
956 if (R->tabs[i]) { 1129 if (tabs[i])
957 x = i;
958 if (!++count)
959 break;
960 } 1130 {
961 if (count)
962 x = 0; 1131 x = i;
1132 if (!++count)
1133 break;
1134 }
1135
1136 if (count)
1137 x = 0;
963 } 1138 }
1139
964 if (x != R->screen.cur.col) 1140 if (x != screen.cur.col)
965 rxvt_scr_gotorc(aR_ 0, x, R_RELATIVE); 1141 scr_gotorc (0, x, R_RELATIVE);
966} 1142}
967 1143
968/* ------------------------------------------------------------------------- */ 1144/* ------------------------------------------------------------------------- */
969/* 1145/*
970 * Process DEC Back Index 1146 * Process DEC Back Index
971 * XTERM_SEQ: ESC 6 1147 * XTERM_SEQ: ESC 6
972 * Move cursor left in row. If we're at the left boundary, shift everything 1148 * Move cursor left in row. If we're at the left boundary, shift everything
973 * in that row right. Clear left column. 1149 * in that row right. Clear left column.
974 */ 1150 */
975#ifndef NO_FRILLS 1151#if !ENABLE_MINIMAL
976/* EXTPROTO */ 1152void ecb_cold
977void 1153rxvt_term::scr_backindex () noexcept
978rxvt_scr_backindex(pR)
979{ 1154{
980 if (R->screen.cur.col > 0) 1155 if (screen.cur.col > 0)
981 rxvt_scr_gotorc(aR_ 0, -1, R_RELATIVE | C_RELATIVE); 1156 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
982 else { 1157 else
983 if (R->screen.tlen[R->screen.cur.row + R->TermWin.saveLines] == 0)
984 return; /* um, yeah? */
985 rxvt_scr_insdel_chars(aR_ 1, INSERT); 1158 scr_insdel_chars (1, INSERT);
986 }
987} 1159}
988#endif 1160#endif
989/* ------------------------------------------------------------------------- */ 1161/* ------------------------------------------------------------------------- */
990/* 1162/*
991 * Process DEC Forward Index 1163 * Process DEC Forward Index
992 * XTERM_SEQ: ESC 9 1164 * XTERM_SEQ: ESC 9
993 * Move cursor right in row. If we're at the right boundary, shift everything 1165 * Move cursor right in row. If we're at the right boundary, shift everything
994 * in that row left. Clear right column. 1166 * in that row left. Clear right column.
995 */ 1167 */
996#ifndef NO_FRILLS 1168#if !ENABLE_MINIMAL
997/* EXTPROTO */ 1169void ecb_cold
998void 1170rxvt_term::scr_forwardindex () noexcept
999rxvt_scr_forwardindex(pR)
1000{ 1171{
1001 int row;
1002
1003 if (R->screen.cur.col < R->TermWin.ncol - 1) 1172 if (screen.cur.col < ncol - 1)
1004 rxvt_scr_gotorc(aR_ 0, 1, R_RELATIVE | C_RELATIVE); 1173 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1005 else { 1174 else
1006 row = R->screen.cur.row + R->TermWin.saveLines; 1175 {
1007 if (R->screen.tlen[row] == 0) 1176 line_t &l = ROW(screen.cur.row);
1008 return; /* um, yeah? */ 1177
1009 else if (R->screen.tlen[row] == -1) 1178 l.touch ();
1010 R->screen.tlen[row] = R->TermWin.ncol; 1179 l.is_longer (0);
1180
1011 rxvt_scr_gotorc(aR_ 0, 0, R_RELATIVE); 1181 scr_gotorc (0, 0, R_RELATIVE);
1012 rxvt_scr_insdel_chars(aR_ 1, DELETE); 1182 scr_insdel_chars (1, DELETE);
1013 rxvt_scr_gotorc(aR_ 0, R->TermWin.ncol - 1, R_RELATIVE); 1183 scr_gotorc (0, ncol - 1, R_RELATIVE);
1014 } 1184 }
1015} 1185}
1016#endif 1186#endif
1017 1187
1018/* ------------------------------------------------------------------------- */ 1188/* ------------------------------------------------------------------------- */
1019/* 1189/*
1020 * Goto Row/Column 1190 * Goto Row/Column
1021 */ 1191 */
1022/* EXTPROTO */
1023void 1192void
1024rxvt_scr_gotorc(pR_ int row, int col, int relative) 1193rxvt_term::scr_gotorc (int row, int col, int relative) noexcept
1025{ 1194{
1026 R->want_refresh = 1; 1195 want_refresh = 1;
1027 ZERO_SCROLLBACK(R); 1196 ZERO_SCROLLBACK ();
1028 RESET_CHSTAT(R);
1029#ifdef RXVT_GRAPHICS
1030 if (rxvt_Gr_Displayed(aR))
1031 rxvt_Gr_scroll(aR_ 0);
1032#endif
1033 1197
1034 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));
1035
1036 R->screen.cur.col = ((relative & C_RELATIVE) ? (R->screen.cur.col + col) 1198 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1037 : col); 1199 clamp_it (screen.cur.col, 0, ncol - 1);
1038 MAX_IT(R->screen.cur.col, 0);
1039 MIN_IT(R->screen.cur.col, (int32_t)R->TermWin.ncol - 1);
1040 1200
1041 R->screen.flags &= ~Screen_WrapNext; 1201 screen.flags &= ~Screen_WrapNext;
1202
1042 if (relative & R_RELATIVE) { 1203 if (relative & R_RELATIVE)
1204 {
1043 if (row > 0) { 1205 if (row > 0)
1206 {
1044 if (R->screen.cur.row <= R->screen.bscroll 1207 if (screen.cur.row <= screen.bscroll
1045 && (R->screen.cur.row + row) > R->screen.bscroll) 1208 && (screen.cur.row + row) > screen.bscroll)
1046 R->screen.cur.row = R->screen.bscroll; 1209 screen.cur.row = screen.bscroll;
1047 else 1210 else
1048 R->screen.cur.row += row;
1049 } else if (row < 0) {
1050 if (R->screen.cur.row >= R->screen.tscroll
1051 && (R->screen.cur.row + row) < R->screen.tscroll)
1052 R->screen.cur.row = R->screen.tscroll;
1053 else
1054 R->screen.cur.row += row;
1055 }
1056 } else {
1057 if (R->screen.flags & Screen_Relative) { /* relative origin mode */
1058 R->screen.cur.row = row + R->screen.tscroll;
1059 MIN_IT(R->screen.cur.row, R->screen.bscroll);
1060 } else
1061 R->screen.cur.row = row; 1211 screen.cur.row += row;
1212 }
1213 else if (row < 0)
1214 {
1215 if (screen.cur.row >= screen.tscroll
1216 && (screen.cur.row + row) < screen.tscroll)
1217 screen.cur.row = screen.tscroll;
1218 else
1219 screen.cur.row += row;
1220 }
1221 }
1222 else
1062 } 1223 {
1063 MAX_IT(R->screen.cur.row, 0); 1224 if (screen.flags & Screen_Relative)
1064 MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1); 1225 {
1065} 1226 /* relative origin mode */
1227 screen.cur.row = row + screen.tscroll;
1228 min_it (screen.cur.row, screen.bscroll);
1229 }
1230 else
1231 screen.cur.row = row;
1232 }
1066 1233
1234 clamp_it (screen.cur.row, 0, nrow - 1);
1235}
1236
1067/* ------------------------------------------------------------------------- */ 1237/* ------------------------------------------------------------------------- */
1068/* 1238/*
1069 * direction should be UP or DN 1239 * direction should be UP or DN
1070 */ 1240 */
1071/* EXTPROTO */
1072void 1241void
1073rxvt_scr_index(pR_ enum page_dirn direction) 1242rxvt_term::scr_index (enum page_dirn direction) noexcept
1074{ 1243{
1075 int dirn;
1076
1077 R->want_refresh = 1; 1244 want_refresh = 1;
1078 dirn = ((direction == UP) ? 1 : -1);
1079 D_SCREEN((stderr, "rxvt_scr_index(%d)", dirn));
1080
1081 ZERO_SCROLLBACK(R); 1245 ZERO_SCROLLBACK ();
1082 RESET_CHSTAT(R);
1083 1246
1084#ifdef RXVT_GRAPHICS
1085 if (rxvt_Gr_Displayed(aR))
1086 rxvt_Gr_scroll(aR_ 0);
1087#endif
1088
1089 R->screen.flags &= ~Screen_WrapNext; 1247 screen.flags &= ~Screen_WrapNext;
1248
1090 if ((R->screen.cur.row == R->screen.bscroll && direction == UP) 1249 if ((screen.cur.row == screen.bscroll && direction == UP)
1091 || (R->screen.cur.row == R->screen.tscroll && direction == DN)) 1250 || (screen.cur.row == screen.tscroll && direction == DN))
1092 rxvt_scroll_text(aR_ R->screen.tscroll, R->screen.bscroll, dirn, 0); 1251 scr_scroll_text (screen.tscroll, screen.bscroll, direction);
1093 else 1252 else
1094 R->screen.cur.row += dirn; 1253 screen.cur.row += direction;
1095 MAX_IT(R->screen.cur.row, 0); 1254
1096 MIN_IT(R->screen.cur.row, (int32_t)R->TermWin.nrow - 1); 1255 clamp_it (screen.cur.row, 0, nrow - 1);
1097 rxvt_selection_check(aR_ 0); 1256 selection_check (0);
1098} 1257}
1099 1258
1100/* ------------------------------------------------------------------------- */ 1259/* ------------------------------------------------------------------------- */
1101/* 1260/*
1102 * Erase part or whole of a line 1261 * Erase part or whole of a line
1103 * XTERM_SEQ: Clear line to right: ESC [ 0 K 1262 * XTERM_SEQ: Clear line to right: ESC [ 0 K
1104 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1263 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1105 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1264 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1265 * extension: clear to right unless wrapped: ESC [ 3 K
1106 */ 1266 */
1107/* EXTPROTO */
1108void 1267void
1109rxvt_scr_erase_line(pR_ int mode) 1268rxvt_term::scr_erase_line (int mode) noexcept
1110{ 1269{
1111 unsigned int row, col, num; 1270 unsigned int col, num;
1112 1271
1113 R->want_refresh = 1; 1272 want_refresh = 1;
1114 D_SCREEN((stderr, "rxvt_scr_erase_line(%d) at screen row: %d", mode, R->screen.cur.row));
1115 ZERO_SCROLLBACK(R); 1273 ZERO_SCROLLBACK ();
1116 RESET_CHSTAT(R);
1117 1274
1118#ifdef RXVT_GRAPHICS
1119 if (rxvt_Gr_Displayed(aR))
1120 rxvt_Gr_scroll(aR_ 0);
1121#endif
1122
1123 rxvt_selection_check(aR_ 1); 1275 selection_check (1);
1124 1276
1125 R->screen.flags &= ~Screen_WrapNext; 1277 line_t &line = ROW(screen.cur.row);
1126 1278
1127 row = R->TermWin.saveLines + R->screen.cur.row; 1279 line.touch ();
1280 line.is_longer (0);
1281
1128 switch (mode) { 1282 switch (mode)
1283 {
1284 case 3:
1285 if (screen.flags & Screen_WrapNext)
1286 return;
1287
1288 /* fall through */
1289
1129 case 0: /* erase to end of line */ 1290 case 0: /* erase to end of line */
1130 col = R->screen.cur.col; 1291 col = screen.cur.col;
1131 num = R->TermWin.ncol - col; 1292 num = ncol - col;
1132 MIN_IT(R->screen.tlen[row], (int16_t)col); 1293 min_it (line.l, col);
1294
1133 if (ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur) 1295 if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1134 || ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.end, R->screen.cur)) 1296 || ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1135 CLEAR_SELECTION(R); 1297 CLEAR_SELECTION ();
1136 break; 1298 break;
1299
1137 case 1: /* erase to beginning of line */ 1300 case 1: /* erase to beginning of line */
1138 col = 0; 1301 col = 0;
1139 num = R->screen.cur.col + 1; 1302 num = screen.cur.col + 1;
1303
1140 if (ROWCOL_IN_ROW_AT_OR_BEFORE(R->selection.beg, R->screen.cur) 1304 if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1141 || ROWCOL_IN_ROW_AT_OR_BEFORE(R->selection.end, R->screen.cur)) 1305 || ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1142 CLEAR_SELECTION(R); 1306 CLEAR_SELECTION ();
1143 break; 1307 break;
1308
1144 case 2: /* erase whole line */ 1309 case 2: /* erase whole line */
1145 col = 0; 1310 col = 0;
1146 num = R->TermWin.ncol; 1311 num = ncol;
1147 R->screen.tlen[row] = 0; 1312 line.l = 0;
1148 if (R->selection.beg.row <= R->screen.cur.row 1313 if (selection.beg.row <= screen.cur.row
1149 && R->selection.end.row >= R->screen.cur.row) 1314 && selection.end.row >= screen.cur.row)
1150 CLEAR_SELECTION(R); 1315 CLEAR_SELECTION ();
1151 break; 1316 break;
1152 default: 1317 default:
1153 return; 1318 return;
1154 } 1319 }
1155 if (R->screen.text[row])
1156 rxvt_blank_line(aR_
1157 &(R->screen.text[row][col]),
1158 &(R->screen.rend[row][col]), num, R->rstyle);
1159 else
1160 rxvt_blank_screen_mem(aR_ R->screen.text, R->screen.rend, row,
1161 R->rstyle);
1162}
1163 1320
1321 scr_blank_line (line, col, num, rstyle);
1322}
1323
1164/* ------------------------------------------------------------------------- */ 1324/* ------------------------------------------------------------------------- */
1165/* 1325/*
1166 * Erase part of whole of the screen 1326 * Erase part or whole of the screen
1167 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1327 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1168 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1328 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1169 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1329 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1170 */ 1330 */
1171/* EXTPROTO */
1172void 1331void
1173rxvt_scr_erase_screen(pR_ int mode) 1332rxvt_term::scr_erase_screen (int mode) noexcept
1174{ 1333{
1175 int num; 1334 int num;
1176 int32_t row, row_offset; 1335 int32_t row;
1177 rend_t ren; 1336 rend_t ren;
1178 XGCValues gcvalue; 1337 XGCValues gcvalue;
1179 1338
1180 R->want_refresh = 1; 1339 want_refresh = 1;
1181 D_SCREEN((stderr, "rxvt_scr_erase_screen(%d) at screen row: %d", mode, R->screen.cur.row));
1182 ZERO_SCROLLBACK(R); 1340 ZERO_SCROLLBACK ();
1183 RESET_CHSTAT(R);
1184 row_offset = (int32_t)R->TermWin.saveLines;
1185 1341
1186 switch (mode) { 1342 switch (mode)
1343 {
1187 case 0: /* erase to end of screen */ 1344 case 0: /* erase to end of screen */
1188 rxvt_selection_check(aR_ 1);
1189 rxvt_scr_erase_line(aR_ 0); 1345 scr_erase_line (0);
1190 row = R->screen.cur.row + 1; /* possible OOB */ 1346 row = screen.cur.row + 1; /* possible OOB */
1191 num = R->TermWin.nrow - row; 1347 num = nrow - row;
1192 break; 1348 break;
1193 case 1: /* erase to beginning of screen */ 1349 case 1: /* erase to beginning of screen */
1194 rxvt_selection_check(aR_ 3);
1195 rxvt_scr_erase_line(aR_ 1); 1350 scr_erase_line (1);
1196 row = 0; 1351 row = 0;
1197 num = R->screen.cur.row; 1352 num = screen.cur.row;
1198 break; 1353 break;
1199 case 2: /* erase whole screen */ 1354 case 2: /* erase whole screen */
1200 rxvt_selection_check(aR_ 3);
1201#ifdef RXVT_GRAPHICS
1202 rxvt_Gr_ClearScreen(aR);
1203#endif
1204 row = 0; 1355 row = 0;
1205 num = R->TermWin.nrow; 1356 num = nrow;
1206 break; 1357 break;
1207 default: 1358 default:
1208 return; 1359 return;
1209 } 1360 }
1210 R->refresh_type |= REFRESH_BOUNDS; 1361
1211 if (R->selection.op && R->current_screen == R->selection.screen 1362 if (selection.op && current_screen == selection.screen
1212 && ((R->selection.beg.row >= row && R->selection.beg.row <= row + num) 1363 && ((selection.beg.row >= row && selection.beg.row <= row + num)
1213 || (R->selection.end.row >= row 1364 || (selection.end.row >= row
1214 && R->selection.end.row <= row + num))) 1365 && selection.end.row <= row + num)))
1215 CLEAR_SELECTION(R); 1366 CLEAR_SELECTION ();
1367
1216 if (row >= R->TermWin.nrow) /* Out Of Bounds */ 1368 if (row >= nrow) /* Out Of Bounds */
1217 return; 1369 return;
1218 MIN_IT(num, (R->TermWin.nrow - row)); 1370
1371 min_it (num, nrow - row);
1372
1219 if (R->rstyle & (RS_RVid | RS_Uline)) 1373 if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1220 ren = (rend_t) ~RS_None; 1374 ren = (rend_t) ~RS_None;
1221 else if (GET_BASEBG(R->rstyle) == Color_bg) { 1375 else if (GET_BASEBG (rstyle) == Color_bg)
1376 {
1222 ren = DEFAULT_RSTYLE; 1377 ren = DEFAULT_RSTYLE;
1223 CLEAR_ROWS(row, num); 1378
1224 } else { 1379 if (mapped)
1380 XClearArea (dpy, vt, 0,
1381 Row2Pixel (row - view_start), (unsigned int)vt_width,
1382 (unsigned int)Height2Pixel (num), False);
1383 }
1384 else
1385 {
1225 ren = (R->rstyle & (RS_fgMask | RS_bgMask)); 1386 ren = rstyle & (RS_fgMask | RS_bgMask);
1226 gcvalue.foreground = R->PixColors[GET_BGCOLOR(R->rstyle)]; 1387
1388 if (mapped)
1389 {
1390 gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1227 XChangeGC(R->Xdisplay, R->TermWin.gc, GCForeground, &gcvalue); 1391 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1228 ERASE_ROWS(row, num); 1392 XFillRectangle (dpy, vt, gc,
1393 0, Row2Pixel (row - view_start),
1394 (unsigned int)vt_width,
1395 (unsigned int)Height2Pixel (num));
1229 gcvalue.foreground = R->PixColors[Color_fg]; 1396 gcvalue.foreground = pix_colors[Color_fg];
1230 XChangeGC(R->Xdisplay, R->TermWin.gc, GCForeground, &gcvalue); 1397 XChangeGC (dpy, gc, GCForeground, &gcvalue);
1398 }
1231 } 1399 }
1400
1232 for (; num--; row++) { 1401 for (; num--; row++)
1233 rxvt_blank_screen_mem(aR_ R->screen.text, R->screen.rend,
1234 (unsigned int)(row + row_offset), R->rstyle);
1235 R->screen.tlen[row + row_offset] = 0;
1236 rxvt_blank_line(aR_
1237 R->drawn_text[row], R->drawn_rend[row],
1238 (unsigned int)R->TermWin.ncol, ren);
1239 } 1402 {
1403 scr_blank_screen_mem (ROW(row), rstyle);
1404
1405 if (row - view_start < nrow)
1406 scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1407 }
1240} 1408}
1409
1410#if !ENABLE_MINIMAL
1411void
1412rxvt_term::scr_erase_savelines () noexcept
1413{
1414 want_refresh = 1;
1415 ZERO_SCROLLBACK ();
1416
1417 top_row = 0;
1418}
1419#endif
1241 1420
1242/* ------------------------------------------------------------------------- */ 1421/* ------------------------------------------------------------------------- */
1243/* 1422/*
1244 * Fill the screen with `E's 1423 * Fill the screen with `E's
1245 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1424 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1246 */ 1425 */
1247/* EXTPROTO */ 1426void ecb_cold
1248void 1427rxvt_term::scr_E () noexcept
1249rxvt_scr_E(pR)
1250{ 1428{
1251 int i, j, k; 1429 rend_t fs;
1252 rend_t *r1, fs;
1253 1430
1254 R->want_refresh = 1; 1431 want_refresh = 1;
1255 R->num_scr_allow = 0;
1256 ZERO_SCROLLBACK(R); 1432 ZERO_SCROLLBACK ();
1257 RESET_CHSTAT(R);
1258 rxvt_selection_check(aR_ 3);
1259 1433
1260 fs = SET_FONT (R->rstyle, R->TermWin.fontset->find_font ('E')); 1434 num_scr_allow = 0;
1261 for (k = R->TermWin.saveLines, i = R->TermWin.nrow; i--; k++) { 1435
1262 R->screen.tlen[k] = R->TermWin.ncol; /* make the `E's selectable */ 1436 row_col_t pos;
1263 fill_text (R->screen.text[k], 'E', R->TermWin.ncol); 1437 pos.row = pos.col = 0;
1264 for (r1 = R->screen.rend[k], j = R->TermWin.ncol; j--; ) 1438 if (ROWCOL_IS_AFTER (selection.end, pos))
1439 CLEAR_SELECTION ();
1440
1441 fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1442 for (int row = nrow; row--; )
1443 {
1444 line_t &line = ROW(row);
1445
1446 fill_text (line.t, 'E', ncol);
1447 rend_t *r1 = line.r;
1448
1449 for (int j = ncol; j--; )
1265 *r1++ = fs; 1450 *r1++ = fs;
1451
1452 line.is_longer (0);
1453 line.touch (ncol);
1266 } 1454 }
1267} 1455}
1268 1456
1269/* ------------------------------------------------------------------------- */ 1457/* ------------------------------------------------------------------------- */
1270/* 1458/*
1271 * Insert/Delete <count> lines 1459 * Insert/Delete <count> lines
1272 */ 1460 */
1273/* EXTPROTO */
1274void 1461void
1275rxvt_scr_insdel_lines(pR_ int count, int insdel) 1462rxvt_term::scr_insdel_lines (int count, int insdel) noexcept
1276{ 1463{
1277 int end; 1464 int end;
1278 1465
1279 ZERO_SCROLLBACK(R); 1466 ZERO_SCROLLBACK ();
1280 RESET_CHSTAT(R);
1281 1467
1282#ifdef RXVT_GRAPHICS
1283 if (rxvt_Gr_Displayed(aR))
1284 rxvt_Gr_scroll(aR_ 0);
1285#endif
1286
1287 rxvt_selection_check(aR_ 1); 1468 selection_check (1);
1288 1469
1289 if (R->screen.cur.row > R->screen.bscroll) 1470 if (screen.cur.row > screen.bscroll)
1471 return;
1472
1473 end = screen.bscroll - screen.cur.row + 1;
1474 if (count > end)
1475 {
1476 if (insdel == DELETE)
1290 return; 1477 return;
1291
1292 end = R->screen.bscroll - R->screen.cur.row + 1;
1293 if (count > end) {
1294 if (insdel == DELETE)
1295 return;
1296 else if (insdel == INSERT) 1478 else if (insdel == INSERT)
1297 count = end; 1479 count = end;
1298 } 1480 }
1299 R->screen.flags &= ~Screen_WrapNext;
1300 1481
1482 scr_do_wrap ();
1483
1301 rxvt_scroll_text(aR_ R->screen.cur.row, R->screen.bscroll, insdel * count, 1484 scr_scroll_text (screen.cur.row, screen.bscroll, insdel * count);
1302 0);
1303} 1485}
1304 1486
1305/* ------------------------------------------------------------------------- */ 1487/* ------------------------------------------------------------------------- */
1306/* 1488/*
1307 * Insert/Delete <count> characters from the current position 1489 * Insert/Delete <count> characters from the current position
1308 */ 1490 */
1309/* EXTPROTO */
1310void 1491void
1311rxvt_scr_insdel_chars(pR_ int count, int insdel) 1492rxvt_term::scr_insdel_chars (int count, int insdel) noexcept
1312{ 1493{
1313 int col, row;
1314 rend_t tr;
1315 text_t *stp;
1316 rend_t *srp;
1317 int16_t *slp;
1318
1319 R->want_refresh = 1; 1494 want_refresh = 1;
1320 ZERO_SCROLLBACK(R); 1495 ZERO_SCROLLBACK ();
1321#if 0
1322 RESET_CHSTAT(R);
1323#endif
1324 1496
1325#ifdef RXVT_GRAPHICS
1326 if (rxvt_Gr_Displayed(aR))
1327 rxvt_Gr_scroll(aR_ 0);
1328#endif
1329
1330 if (count <= 0) 1497 if (count <= 0)
1331 return; 1498 return;
1332 1499
1500 scr_do_wrap ();
1501
1333 rxvt_selection_check(aR_ 1); 1502 selection_check (1);
1334 MIN_IT(count, (R->TermWin.ncol - R->screen.cur.col)); 1503 min_it (count, ncol - screen.cur.col);
1335 1504
1336 row = R->screen.cur.row + R->TermWin.saveLines; 1505 int row = screen.cur.row;
1337 R->screen.flags &= ~Screen_WrapNext;
1338 1506
1339 stp = R->screen.text[row]; 1507 line_t *line = &ROW(row);
1340 srp = R->screen.rend[row]; 1508
1341 slp = &(R->screen.tlen[row]); 1509 line->touch ();
1510 line->is_longer (0);
1511
1512 // nuke wide spanning the start
1513 if (line->t[screen.cur.col] == NOCHAR)
1514 scr_kill_char (*line, screen.cur.col);
1515
1342 switch (insdel) { 1516 switch (insdel)
1517 {
1343 case INSERT: 1518 case INSERT:
1344 for (col = R->TermWin.ncol - 1; (col - count) >= R->screen.cur.col; 1519 line->l = min (line->l + count, ncol);
1345 col--) { 1520
1521 if (line->t[screen.cur.col] == NOCHAR)
1522 scr_kill_char (*line, screen.cur.col);
1523
1524 for (int col = ncol - 1; (col - count) >= screen.cur.col; col--)
1525 {
1346 stp[col] = stp[col - count]; 1526 line->t[col] = line->t[col - count];
1347 srp[col] = srp[col - count]; 1527 line->r[col] = line->r[col - count];
1348 } 1528 }
1349 if (*slp != -1) { 1529
1350 *slp += count;
1351 MIN_IT(*slp, R->TermWin.ncol);
1352 }
1353 if (R->selection.op && R->current_screen == R->selection.screen 1530 if (selection.op && current_screen == selection.screen
1354 && ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur)) { 1531 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1532 {
1355 if (R->selection.end.row != R->screen.cur.row 1533 if (selection.end.row != screen.cur.row
1356 || (R->selection.end.col + count >= R->TermWin.ncol)) 1534 || (selection.end.col + count >= ncol))
1357 CLEAR_SELECTION(R); 1535 CLEAR_SELECTION ();
1536 else
1537 {
1358 else { /* shift selection */ 1538 /* shift selection */
1359 R->selection.beg.col += count; 1539 selection.beg.col += count;
1360 R->selection.mark.col += count; /* XXX: yes? */ 1540 selection.mark.col += count; /* XXX: yes? */
1361 R->selection.end.col += count; 1541 selection.end.col += count;
1362 } 1542 }
1363 } 1543 }
1364 rxvt_blank_line(aR_ &(stp[R->screen.cur.col]), &(srp[R->screen.cur.col]), 1544
1365 (unsigned int)count, R->rstyle); 1545 scr_blank_line (*line, screen.cur.col, count, rstyle);
1366 break; 1546 break;
1547
1367 case ERASE: 1548 case ERASE:
1368 R->screen.cur.col += count; /* don't worry if > R->TermWin.ncol */ 1549 screen.cur.col += count; /* don't worry if > ncol */
1369 rxvt_selection_check(aR_ 1); 1550 selection_check (1);
1370 R->screen.cur.col -= count; 1551 screen.cur.col -= count;
1371 rxvt_blank_line(aR_ &(stp[R->screen.cur.col]), &(srp[R->screen.cur.col]), 1552
1372 (unsigned int)count, R->rstyle); 1553 // nuke wide char after the end
1554 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1555 scr_kill_char (*line, screen.cur.col + count);
1556
1557 scr_blank_line (*line, screen.cur.col, count, rstyle);
1373 break; 1558 break;
1559
1374 case DELETE: 1560 case DELETE:
1375 tr = srp[R->TermWin.ncol - 1] 1561 line->l = max (line->l - count, 0);
1376 & (RS_fgMask | RS_bgMask | RS_baseattrMask); 1562
1563 // nuke wide char spanning the end
1564 if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
1565 scr_kill_char (*line, screen.cur.col + count);
1566
1377 for (col = R->screen.cur.col; (col + count) < R->TermWin.ncol; col++) { 1567 for (int col = screen.cur.col; (col + count) < ncol; col++)
1568 {
1378 stp[col] = stp[col + count]; 1569 line->t[col] = line->t[col + count];
1379 srp[col] = srp[col + count]; 1570 line->r[col] = line->r[col + count];
1380 } 1571 }
1381 rxvt_blank_line(aR_ 1572
1382 &(stp[R->TermWin.ncol - count]), 1573 scr_blank_line (*line, ncol - count, count, rstyle);
1383 &(srp[R->TermWin.ncol - count]), 1574
1384 (unsigned int)count, tr);
1385 if (*slp == -1) /* break line continuation */
1386 *slp = R->TermWin.ncol;
1387 *slp -= count;
1388 MAX_IT(*slp, 0);
1389 if (R->selection.op && R->current_screen == R->selection.screen 1575 if (selection.op && current_screen == selection.screen
1390 && ROWCOL_IN_ROW_AT_OR_AFTER(R->selection.beg, R->screen.cur)) { 1576 && ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1577 {
1391 if (R->selection.end.row != R->screen.cur.row 1578 if (selection.end.row != screen.cur.row
1392 || (R->screen.cur.col >= R->selection.beg.col - count) 1579 || (screen.cur.col >= selection.beg.col - count)
1393 || R->selection.end.col >= R->TermWin.ncol) 1580 || selection.end.col >= ncol)
1394 CLEAR_SELECTION(R); 1581 CLEAR_SELECTION ();
1395 else { 1582 else
1583 {
1396 /* shift selection */ 1584 /* shift selection */
1397 R->selection.beg.col -= count; 1585 selection.beg.col -= count;
1398 R->selection.mark.col -= count; /* XXX: yes? */ 1586 selection.mark.col -= count; /* XXX: yes? */
1399 R->selection.end.col -= count; 1587 selection.end.col -= count;
1400 } 1588 }
1401 } 1589 }
1590
1402 break; 1591 break;
1403 } 1592 }
1404} 1593}
1405 1594
1406/* ------------------------------------------------------------------------- */ 1595/* ------------------------------------------------------------------------- */
1407/* 1596/*
1408 * Set the scrolling region 1597 * Set the scrolling region
1409 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1598 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1410 */ 1599 */
1411/* EXTPROTO */ 1600void ecb_cold
1412void
1413rxvt_scr_scroll_region(pR_ int top, int bot) 1601rxvt_term::scr_scroll_region (int top, int bot) noexcept
1414{ 1602{
1415 MAX_IT(top, 0); 1603 max_it (top, 0);
1416 MIN_IT(bot, (int)R->TermWin.nrow - 1); 1604 min_it (bot, nrow - 1);
1605
1417 if (top > bot) 1606 if (top > bot)
1418 return; 1607 return;
1608
1419 R->screen.tscroll = top; 1609 screen.tscroll = top;
1420 R->screen.bscroll = bot; 1610 screen.bscroll = bot;
1421 rxvt_scr_gotorc(aR_ 0, 0, 0); 1611 scr_gotorc (0, 0, 0);
1422} 1612}
1423 1613
1424/* ------------------------------------------------------------------------- */ 1614/* ------------------------------------------------------------------------- */
1425/* 1615/*
1426 * Make the cursor visible/invisible 1616 * Make the cursor visible/invisible
1427 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1617 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1428 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1618 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1429 */ 1619 */
1430/* EXTPROTO */ 1620void ecb_cold
1431void
1432rxvt_scr_cursor_visible(pR_ int mode) 1621rxvt_term::scr_cursor_visible (int mode) noexcept
1433{ 1622{
1434 R->want_refresh = 1; 1623 want_refresh = 1;
1624
1435 if (mode) 1625 if (mode)
1436 R->screen.flags |= Screen_VisibleCursor; 1626 screen.flags |= Screen_VisibleCursor;
1437 else 1627 else
1438 R->screen.flags &= ~Screen_VisibleCursor; 1628 screen.flags &= ~Screen_VisibleCursor;
1439} 1629}
1440 1630
1441/* ------------------------------------------------------------------------- */ 1631/* ------------------------------------------------------------------------- */
1442/* 1632/*
1443 * Set/unset automatic wrapping 1633 * Set/unset automatic wrapping
1444 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1634 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1445 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1635 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1446 */ 1636 */
1447/* EXTPROTO */ 1637void ecb_cold
1448void 1638rxvt_term::scr_autowrap (int mode) noexcept
1449rxvt_scr_autowrap(pR_ int mode)
1450{ 1639{
1451 if (mode) 1640 if (mode)
1452 R->screen.flags |= Screen_Autowrap; 1641 screen.flags |= Screen_Autowrap;
1453 else 1642 else
1454 R->screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1643 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1455} 1644}
1456 1645
1457/* ------------------------------------------------------------------------- */ 1646/* ------------------------------------------------------------------------- */
1458/* 1647/*
1459 * Set/unset margin origin mode 1648 * Set/unset margin origin mode
… …
1462 * Relative mode: line numbers are relative to top margin of scrolling region 1651 * Relative mode: line numbers are relative to top margin of scrolling region
1463 * and the cursor cannot be moved outside. 1652 * and the cursor cannot be moved outside.
1464 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1653 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1465 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1654 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1466 */ 1655 */
1467/* EXTPROTO */ 1656void ecb_cold
1468void
1469rxvt_scr_relative_origin(pR_ int mode) 1657rxvt_term::scr_relative_origin (int mode) noexcept
1470{ 1658{
1471 if (mode) 1659 if (mode)
1472 R->screen.flags |= Screen_Relative; 1660 screen.flags |= Screen_Relative;
1473 else 1661 else
1474 R->screen.flags &= ~Screen_Relative; 1662 screen.flags &= ~Screen_Relative;
1663
1475 rxvt_scr_gotorc(aR_ 0, 0, 0); 1664 scr_gotorc (0, 0, 0);
1476} 1665}
1477 1666
1478/* ------------------------------------------------------------------------- */ 1667/* ------------------------------------------------------------------------- */
1479/* 1668/*
1480 * Set insert/replace mode 1669 * Set insert/replace mode
1481 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1670 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1482 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1671 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1483 */ 1672 */
1484/* EXTPROTO */ 1673void ecb_cold
1485void
1486rxvt_scr_insert_mode(pR_ int mode) 1674rxvt_term::scr_insert_mode (int mode) noexcept
1487{ 1675{
1488 if (mode) 1676 if (mode)
1489 R->screen.flags |= Screen_Insert; 1677 screen.flags |= Screen_Insert;
1490 else 1678 else
1491 R->screen.flags &= ~Screen_Insert; 1679 screen.flags &= ~Screen_Insert;
1492} 1680}
1493 1681
1494/* ------------------------------------------------------------------------- */ 1682/* ------------------------------------------------------------------------- */
1495/* 1683/*
1496 * Set/Unset tabs 1684 * Set/Unset tabs
1497 * XTERM_SEQ: Set tab at current column : ESC H 1685 * XTERM_SEQ: Set tab at current column : ESC H
1498 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1686 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1499 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1687 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1500 */ 1688 */
1501/* EXTPROTO */ 1689void ecb_cold
1502void 1690rxvt_term::scr_set_tab (int mode) noexcept
1503rxvt_scr_set_tab(pR_ int mode)
1504{ 1691{
1505 if (mode < 0) 1692 if (mode < 0)
1506 MEMSET(R->tabs, 0, R->TermWin.ncol * sizeof(char)); 1693 memset (tabs, 0, ncol);
1507 else if (R->screen.cur.col < R->TermWin.ncol) 1694 else if (screen.cur.col < ncol)
1508 R->tabs[R->screen.cur.col] = (mode ? 1 : 0); 1695 tabs [screen.cur.col] = !!mode;
1509} 1696}
1510 1697
1511/* ------------------------------------------------------------------------- */ 1698/* ------------------------------------------------------------------------- */
1512/* 1699/*
1513 * Set reverse/normal video 1700 * Set reverse/normal video
1514 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1701 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1515 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1702 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1516 */ 1703 */
1517/* EXTPROTO */
1518void 1704void
1519rxvt_scr_rvideo_mode(pR_ int mode) 1705rxvt_term::scr_rvideo_mode (bool on) noexcept
1520{ 1706{
1707 rvideo_mode = on;
1708
1709#ifndef NO_BELL
1710 on ^= rvideo_bell;
1711#endif
1712
1713 if (rvideo_state != on)
1714 {
1715 rvideo_state = on;
1716
1717#if OFF_FOCUS_FADING
1718 if (rs[Rs_fade])
1719 {
1720 ::swap (pix_colors_focused[Color_fg], pix_colors_focused[Color_bg]);
1721 ::swap (pix_colors_unfocused[Color_fg], pix_colors_unfocused[Color_bg]);
1722 }
1723 else
1724#endif
1725 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1726#ifdef HAVE_IMG
1727 if (bg_img == 0)
1728#endif
1729 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1730
1521 XGCValues gcvalue; 1731 XGCValues gcvalue;
1522
1523 if (R->rvideo != mode) {
1524 R->rvideo = mode;
1525 SWAP_IT(R->PixColors[Color_fg], R->PixColors[Color_bg], rxvt_color);
1526#if defined(XPM_BACKGROUND)
1527 if (R->bgPixmap.pixmap == None)
1528#endif
1529#if defined(TRANSPARENT)
1530 if (!(R->Options & Opt_transparent) || R->am_transparent == 0)
1531#endif
1532 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
1533 R->PixColors[Color_bg]);
1534
1535 gcvalue.foreground = R->PixColors[Color_fg]; 1732 gcvalue.foreground = pix_colors[Color_fg];
1536 gcvalue.background = R->PixColors[Color_bg]; 1733 gcvalue.background = pix_colors[Color_bg];
1537 XChangeGC(R->Xdisplay, R->TermWin.gc, GCBackground | GCForeground, 1734 XChangeGC (dpy, gc, GCBackground | GCForeground, &gcvalue);
1538 &gcvalue); 1735
1539 rxvt_scr_clear(aR); 1736 scr_clear ();
1540 rxvt_scr_touch(aR_ True); 1737 scr_touch (true);
1541 } 1738 }
1542} 1739}
1543 1740
1544/* ------------------------------------------------------------------------- */ 1741/* ------------------------------------------------------------------------- */
1545/* 1742/*
1546 * Report current cursor position 1743 * Report current cursor position
1547 * XTERM_SEQ: Report position: ESC [ 6 n 1744 * XTERM_SEQ: Report position: ESC [ 6 n
1548 */ 1745 */
1549/* EXTPROTO */ 1746void ecb_cold
1550void 1747rxvt_term::scr_report_position () noexcept
1551rxvt_scr_report_position(pR)
1552{ 1748{
1553 R->tt_printf("\033[%d;%dR", R->screen.cur.row + 1, R->screen.cur.col + 1); 1749 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1554} 1750}
1555 1751
1556/* ------------------------------------------------------------------------- * 1752/* ------------------------------------------------------------------------- *
1557 * FONTS * 1753 * FONTS *
1558 * ------------------------------------------------------------------------- */ 1754 * ------------------------------------------------------------------------- */
1559 1755
1560/* 1756/*
1561 * Set font style 1757 * Set font style
1562 */ 1758 */
1563/* INTPROTO */ 1759void ecb_cold
1564void 1760rxvt_term::set_font_style () noexcept
1565rxvt_set_font_style(pR)
1566{ 1761{
1762#if 0
1567 switch (R->charsets[R->screen.charset]) { 1763 switch (charsets [screen.charset])
1764 {
1568 case '0': /* DEC Special Character & Line Drawing Set */ 1765 case '0': /* DEC Special Character & Line Drawing Set */
1569 break; 1766 break;
1570 case 'A': /* United Kingdom (UK) */ 1767 case 'A': /* United Kingdom (UK) */
1571 break; 1768 break;
1572 case 'B': /* United States (USASCII) */ 1769 case 'B': /* United States (USASCII) */
1573 break; 1770 break;
1574 case '<': /* Multinational character set */ 1771 case '<': /* Multinational character set */
1575 break; 1772 break;
1576 case '5': /* Finnish character set */ 1773 case '5': /* Finnish character set */
1577 break; 1774 break;
1578 case 'C': /* Finnish character set */ 1775 case 'C': /* Finnish character set */
1579 break; 1776 break;
1580 case 'K': /* German character set */ 1777 case 'K': /* German character set */
1581 break; 1778 break;
1582 } 1779 }
1780#endif
1583} 1781}
1584 1782
1585/* ------------------------------------------------------------------------- */ 1783/* ------------------------------------------------------------------------- */
1586/* 1784/*
1587 * Choose a font 1785 * Choose a font
1588 * XTERM_SEQ: Invoke G0 character set: CTRL-O 1786 * XTERM_SEQ: Invoke G0 character set: CTRL-O
1589 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1787 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1590 * XTERM_SEQ: Invoke G2 character set: ESC N 1788 * XTERM_SEQ: Invoke G2 character set: ESC N
1591 * XTERM_SEQ: Invoke G3 character set: ESC O 1789 * XTERM_SEQ: Invoke G3 character set: ESC O
1592 */ 1790 */
1593/* EXTPROTO */ 1791void ecb_cold
1594void
1595rxvt_scr_charset_choose(pR_ int set) 1792rxvt_term::scr_charset_choose (int set) noexcept
1596{ 1793{
1597 R->screen.charset = set; 1794 screen.charset = set;
1598 rxvt_set_font_style(aR); 1795 set_font_style ();
1599} 1796}
1600 1797
1601/* ------------------------------------------------------------------------- */ 1798/* ------------------------------------------------------------------------- */
1602/* 1799/*
1603 * Set a font 1800 * Set a font
… …
1605 * XTERM_SEQ: Set G1 character set: ESC ) <C> 1802 * XTERM_SEQ: Set G1 character set: ESC ) <C>
1606 * XTERM_SEQ: Set G2 character set: ESC * <C> 1803 * XTERM_SEQ: Set G2 character set: ESC * <C>
1607 * XTERM_SEQ: Set G3 character set: ESC + <C> 1804 * XTERM_SEQ: Set G3 character set: ESC + <C>
1608 * See set_font_style for possible values for <C> 1805 * See set_font_style for possible values for <C>
1609 */ 1806 */
1610/* EXTPROTO */
1611void 1807void
1612rxvt_scr_charset_set(pR_ int set, unsigned int ch) 1808rxvt_term::scr_charset_set (int set, unsigned int ch) noexcept
1613{ 1809{
1614 R->charsets[set] = (unsigned char)ch; 1810 charsets[set] = (unsigned char)ch;
1615 rxvt_set_font_style(aR); 1811 set_font_style ();
1616} 1812}
1617 1813
1618
1619/* ------------------------------------------------------------------------- *
1620 * GRAPHICS COLOURS *
1621 * ------------------------------------------------------------------------- */
1622
1623#ifdef RXVT_GRAPHICS
1624/* EXTPROTO */
1625int
1626rxvt_scr_get_fgcolor(pR)
1627{
1628 return GET_FGCOLOR(R->rstyle);
1629}
1630
1631/* ------------------------------------------------------------------------- */
1632/* EXTPROTO */
1633int
1634rxvt_scr_get_bgcolor(pR)
1635{
1636 return GET_BGCOLOR(R->rstyle);
1637}
1638#endif
1639 1814
1640/* ------------------------------------------------------------------------- * 1815/* ------------------------------------------------------------------------- *
1641 * MAJOR SCREEN MANIPULATION * 1816 * MAJOR SCREEN MANIPULATION *
1642 * ------------------------------------------------------------------------- */ 1817 * ------------------------------------------------------------------------- */
1643 1818
1644/* 1819/*
1820 * refresh matching text.
1821 */
1822bool ecb_cold
1823rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) noexcept
1824{
1825 bool found = false;
1826
1827 for (int i = 0; i < nrow; i++)
1828 {
1829 rend_t *drp = drawn_buf[i].r;
1830
1831 for (int col = 0; col < ncol; col++, drp++)
1832 if ((*drp & mask) == value)
1833 {
1834 found = true;
1835 *drp = ~value;
1836 }
1837 }
1838
1839 return found;
1840}
1841
1842/*
1645 * Refresh an area 1843 * Refresh an area
1646 */ 1844 */
1647enum { 1845enum {
1648 PART_BEG = 0, 1846 PART_BEG = 0,
1649 PART_END, 1847 PART_END,
1650 RC_COUNT 1848 RC_COUNT
1651}; 1849};
1652 1850
1653/* EXTPROTO */ 1851void ecb_hot
1654void
1655rxvt_scr_expose(pR_ int x, int y, int width, int height, Bool refresh) 1852rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) noexcept
1656{ 1853{
1657 int i; 1854 int i;
1658 row_col_t rc[RC_COUNT]; 1855 row_col_t rc[RC_COUNT];
1659 1856
1660 if (R->drawn_text == NULL) /* sanity check */ 1857 if (!drawn_buf) /* sanity check */
1661 return; 1858 return;
1662 1859
1663#ifdef DEBUG_STRICT 1860#ifndef NO_SLOW_LINK_SUPPORT
1664 x = max(x, (int)R->TermWin.int_bwidth); 1861 if (refresh_type == FAST_REFRESH && !display->is_local)
1665 x = min(x, (int)R->TermWin.width); 1862 {
1666 y = max(y, (int)R->TermWin.int_bwidth); 1863 y = 0;
1667 y = min(y, (int)R->TermWin.height); 1864 eheight = height;
1865 }
1668#endif 1866#endif
1669 1867
1670/* round down */ 1868 /* round down */
1671 rc[PART_BEG].col = Pixel2Col(x); 1869 rc[PART_BEG].col = Pixel2Col (x);
1672 rc[PART_BEG].row = Pixel2Row(y); 1870 rc[PART_BEG].row = Pixel2Row (y);
1673/* round up */ 1871 /* round up */
1674 rc[PART_END].col = Pixel2Width(x + width + R->TermWin.fwidth - 1); 1872 rc[PART_END].col = Pixel2Width (x + ewidth + fwidth - 1);
1675 rc[PART_END].row = Pixel2Row(y + height + R->TermWin.fheight - 1); 1873 rc[PART_END].row = Pixel2Row (y + eheight + fheight - 1);
1676 1874
1677/* sanity checks */ 1875 /* sanity checks */
1678 for (i = PART_BEG; i < RC_COUNT; i++) { 1876 for (i = PART_BEG; i < RC_COUNT; i++)
1679 MIN_IT(rc[i].col, R->TermWin.ncol - 1);
1680 MIN_IT(rc[i].row, R->TermWin.nrow - 1);
1681 } 1877 {
1878 min_it (rc[i].col, ncol - 1);
1879 min_it (rc[i].row, nrow - 1);
1880 }
1682 1881
1683 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));
1684
1685 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++) 1882 for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1686 fill_text (&(R->drawn_text[i][rc[PART_BEG].col]), 0, 1883 fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1687 (rc[PART_END].col - rc[PART_BEG].col + 1));
1688 1884
1885 num_scr_allow = 0;
1886
1689 if (refresh) 1887 if (refresh)
1690 rxvt_scr_refresh(aR_ SLOW_REFRESH | REFRESH_BOUNDS); 1888 scr_refresh ();
1691} 1889}
1692 1890
1693/* ------------------------------------------------------------------------- */ 1891/* ------------------------------------------------------------------------- */
1694/* 1892/*
1695 * Refresh the entire screen 1893 * Refresh the entire screen
1696 */ 1894 */
1697/* EXTPROTO */
1698void 1895void
1699rxvt_scr_touch(pR_ Bool refresh) 1896rxvt_term::scr_touch (bool refresh) noexcept
1700{ 1897{
1701 rxvt_scr_expose(aR_ 0, 0, R->TermWin.width, R->TermWin.height, refresh); 1898 scr_expose (0, 0, vt_width, vt_height, refresh);
1702} 1899}
1703 1900
1704/* ------------------------------------------------------------------------- */ 1901/* ------------------------------------------------------------------------- */
1705/* 1902/*
1706 * Move the display so that the line represented by scrollbar value Y is at 1903 * Move the display so that the line represented by scrollbar value Y is at
1707 * the top of the screen 1904 * the top of the screen
1708 */ 1905 */
1709/* EXTPROTO */ 1906void
1710int
1711rxvt_scr_move_to(pR_ int y, int len) 1907rxvt_term::scr_move_to (int y, int len) noexcept
1712{ 1908{
1713 long p = 0; 1909 // lerp (y, 0, len, top_row, nrow - 1)
1714 uint16_t oldviewstart; 1910 scr_changeview (top_row + (nrow - 1 - top_row) * y / len);
1715
1716 oldviewstart = R->TermWin.view_start;
1717 if (y < len) {
1718 p = (R->TermWin.nrow + R->TermWin.nscrolled) * (len - y) / len;
1719 p -= (long)(R->TermWin.nrow - 1);
1720 p = max(p, 0);
1721 }
1722 R->TermWin.view_start = (uint16_t)min(p, R->TermWin.nscrolled);
1723 D_SCREEN((stderr, "rxvt_scr_move_to(%d, %d) view_start:%d", y, len, R->TermWin.view_start));
1724
1725 return rxvt_scr_changeview(aR_ oldviewstart);
1726} 1911}
1727 1912
1728/* ------------------------------------------------------------------------- */ 1913/* ------------------------------------------------------------------------- */
1729/* 1914/*
1730 * Page the screen up/down nlines 1915 * Page the screen up/down nlines
1731 * direction should be UP or DN 1916 * direction should be UP or DN
1732 */ 1917 */
1733/* EXTPROTO */ 1918bool
1734int 1919rxvt_term::scr_page (int nlines) noexcept
1735rxvt_scr_page(pR_ enum page_dirn direction, int nlines)
1736{ 1920{
1737 int n; 1921 return scr_changeview (view_start - nlines);
1738 uint16_t oldviewstart;
1739
1740 D_SCREEN((stderr, "rxvt_scr_page(%s, %d) view_start:%d", ((direction == UP) ? "UP" : "DN"), nlines, R->TermWin.view_start));
1741#ifdef DEBUG_STRICT
1742 assert((nlines >= 0) && (nlines <= R->TermWin.nrow));
1743#endif
1744 oldviewstart = R->TermWin.view_start;
1745 if (direction == UP) {
1746 n = R->TermWin.view_start + nlines;
1747 R->TermWin.view_start = min(n, R->TermWin.nscrolled);
1748 } else {
1749 n = R->TermWin.view_start - nlines;
1750 R->TermWin.view_start = max(n, 0);
1751 }
1752 return rxvt_scr_changeview(aR_ oldviewstart);
1753} 1922}
1754 1923
1755/* INTPROTO */ 1924bool
1756int 1925rxvt_term::scr_changeview (int new_view_start) noexcept
1757rxvt_scr_changeview(pR_ uint16_t oldviewstart)
1758{ 1926{
1759 if (R->TermWin.view_start != oldviewstart) { 1927 clamp_it (new_view_start, top_row, 0);
1928
1929 if (new_view_start == view_start)
1930 return false;
1931
1932 num_scr += new_view_start - view_start;
1933 view_start = new_view_start;
1760 R->want_refresh = 1; 1934 want_refresh = 1;
1761#ifdef RXVT_GRAPHICS
1762 if (rxvt_Gr_Displayed(aR))
1763 rxvt_Gr_scroll(aR_ 0);
1764#endif
1765 R->num_scr -= (R->TermWin.view_start - oldviewstart);
1766 }
1767 return (int)(R->TermWin.view_start - oldviewstart);
1768}
1769 1935
1770/* ------------------------------------------------------------------------- */ 1936 HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1771/* EXTPROTO */ 1937
1772void 1938 return true;
1773rxvt_scr_bell(pR) 1939}
1774{ 1940
1775#ifndef NO_BELL 1941#ifndef NO_BELL
1942void
1943rxvt_term::bell_cb (ev::timer &w, int revents)
1944{
1945 rvideo_bell = false;
1946 scr_rvideo_mode (rvideo_mode);
1947 refresh_check ();
1948}
1949#endif
1950
1951/* ------------------------------------------------------------------------- */
1952void
1953rxvt_term::scr_bell () noexcept
1954{
1955#ifndef NO_BELL
1956
1776# ifndef NO_MAPALERT 1957# ifndef NO_MAPALERT
1777# ifdef MAPALERT_OPTION 1958# ifdef MAPALERT_OPTION
1778 if (R->Options & Opt_mapAlert) 1959 if (option (Opt_mapAlert))
1779# endif 1960# endif
1780 XMapWindow(R->Xdisplay, R->TermWin.parent[0]); 1961 XMapWindow (dpy, parent);
1781# endif 1962# endif
1782 if (R->Options & Opt_visualBell) { 1963
1783 rxvt_scr_rvideo_mode(aR_ !R->rvideo); /* refresh also done */ 1964# if ENABLE_FRILLS
1784 rxvt_scr_rvideo_mode(aR_ !R->rvideo); /* refresh also done */ 1965 if (option (Opt_urgentOnBell))
1785 } else 1966 set_urgency (1);
1786 XBell(R->Xdisplay, 0);
1787#endif 1967# endif
1788}
1789 1968
1969 if (option (Opt_visualBell))
1970 {
1971 rvideo_bell = true;
1972 scr_rvideo_mode (rvideo_mode);
1973 flush ();
1974
1975 bell_ev.start (VISUAL_BELL_DURATION);
1976 }
1977 else
1978 XBell (dpy, 0);
1979 HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1980#endif
1981}
1982
1790/* ------------------------------------------------------------------------- */ 1983/* ------------------------------------------------------------------------- */
1791/* ARGSUSED */ 1984void ecb_cold
1792/* EXTPROTO */
1793void
1794rxvt_scr_printscreen(pR_ int fullhist) 1985rxvt_term::scr_printscreen (int fullhist) noexcept
1795{ 1986{
1796#ifdef PRINTPIPE 1987#ifdef PRINTPIPE
1797 int i, r1, nrows, row_offset; 1988 int nrows, row_start;
1798 text_t *t; 1989 FILE *fd = popen_printer ();
1799 FILE *fd;
1800 1990
1801 if ((fd = rxvt_popen_printer(aR)) == NULL) 1991 if (!fd)
1802 return; 1992 return;
1803 nrows = R->TermWin.nrow; 1993
1804 row_offset = R->TermWin.saveLines;
1805 if (!fullhist) 1994 if (fullhist)
1806 row_offset -= R->TermWin.view_start;
1807 else {
1808 nrows += R->TermWin.nscrolled;
1809 row_offset -= R->TermWin.nscrolled;
1810 } 1995 {
1811 1996 nrows = nrow - top_row;
1812 for (r1 = 0; r1 < nrows; r1++) { 1997 row_start = top_row;
1813 t = R->screen.text[r1 + row_offset]; 1998 }
1814 for (i = R->TermWin.ncol - 1; i >= 0; i--) 1999 else
1815 if (!isspace(t[i]))
1816 break;
1817 fprintf(fd, "%.*s\n", (i + 1), t);
1818 } 2000 {
2001 nrows = nrow;
2002 row_start = view_start;
2003 }
2004
2005 wctomb (0, 0);
2006
2007 for (int r1 = row_start; r1 < row_start + nrows; r1++)
2008 {
2009 text_t *tp = ROW(r1).t;
2010 int len = ROW(r1).l;
2011
2012 for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
2013 {
2014 char mb[MB_LEN_MAX];
2015 text_t t = *tp++;
2016 if (t == NOCHAR)
2017 continue;
2018
2019 len = wctomb (mb, t);
2020
2021 if (len <= 0)
2022 {
2023 mb[0] = ' ';
2024 len = 1;
2025 }
2026
2027 fwrite (mb, 1, len, fd);
2028 }
2029
2030 fputc ('\n', fd);
2031 }
2032
1819 rxvt_pclose_printer(fd); 2033 pclose_printer (fd);
1820#endif 2034#endif
1821} 2035}
1822 2036
1823/* ------------------------------------------------------------------------- */ 2037/* ------------------------------------------------------------------------- */
1824/* 2038/*
1825 * Refresh the screen 2039 * Refresh the screen
1826 * R->drawn_text/R->drawn_rend contain the screen information before the update. 2040 * drawn_text/drawn_rend contain the screen information before the update.
1827 * R->screen.text/R->screen.rend contain what the screen will change to. 2041 * screen.text/screen.rend contain what the screen will change to.
2042 */
2043void ecb_hot
2044rxvt_term::scr_refresh () noexcept
2045{
2046 int16_t col, row, /* column/row we're processing */
2047 ocrow; /* old cursor row */
2048 int i; /* tmp */
2049 rend_t ccol1, /* Cursor colour */
2050 ccol2; /* Cursor colour2 */
2051 rend_t cur_rend;
2052 int cur_col;
2053 int cursorwidth;
2054
2055 want_refresh = 0; /* screen is current */
2056
2057 if (refresh_type == NO_REFRESH || !mapped)
2058 return;
2059
2060 /*
2061 * A: set up vars
1828 */ 2062 */
2063 refresh_count = 0;
1829 2064
1830#if defined (NO_BRIGHTCOLOR) || defined (VERYBOLD) 2065 unsigned int old_screen_flags = screen.flags;
1831# define MONO_BOLD(x) ((x) & (RS_Bold|RS_Blink)) 2066 bool have_bg = 0;
1832# define MONO_BOLD_FG(x, fg) MONO_BOLD(x) 2067#ifdef HAVE_IMG
2068 have_bg = bg_img != 0;
2069#endif
2070 ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2071
2072 /*
2073 * B: reverse any characters which are selected
2074 */
2075 scr_reverse_selection ();
2076
2077 HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2078#if ENABLE_OVERLAY
2079 scr_swap_overlay ();
2080#endif
2081
2082 bool showcursor = screen.flags & Screen_VisibleCursor;
2083
2084 /*
2085 * C: set the cursor character (s)
2086 */
2087 {
2088#ifdef CURSOR_BLINK
2089 if (hidden_cursor)
2090 showcursor = 0;
2091#endif
2092
2093 if (showcursor)
2094 {
2095 int col = screen.cur.col;
2096
2097 while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2098 col--;
2099
2100 cursorwidth = 1;
2101 while (col + cursorwidth < ncol
2102 && ROW(screen.cur.row).t[col + cursorwidth] == NOCHAR)
2103 cursorwidth++;
2104
2105 cur_rend = ROW(screen.cur.row).r[col];
2106 cur_col = col;
2107
2108#ifndef NO_CURSORCOLOR
2109 if (ISSET_PIXCOLOR (Color_cursor))
2110 ccol1 = Color_cursor;
2111 else
2112#endif
2113#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
2114 ccol1 = fgcolor_of (rstyle);
1833#else 2115#else
1834# define MONO_BOLD(x) \ 2116 ccol1 = Color_fg;
1835 (((x) & (RS_Bold | RS_fgMask)) == (RS_Bold | Color_fg))
1836# define MONO_BOLD_FG(x, fg) (((x) & RS_Bold) && (fg) == Color_fg)
1837#endif 2117#endif
1838 2118
1839#define FONT_WIDTH(X, Y) \
1840 (X)->per_char[(Y) - (X)->min_char_or_byte2].width
1841#define FONT_RBEAR(X, Y) \
1842 (X)->per_char[(Y) - (X)->min_char_or_byte2].rbearing
1843#define FONT_LBEAR(X, Y) \
1844 (X)->per_char[(Y) - (X)->min_char_or_byte2].lbearing
1845#define IS_FONT_CHAR(X, Y) \
1846 ((Y) >= (X)->min_char_or_byte2 && (Y) <= (X)->max_char_or_byte2)
1847
1848/* EXTPROTO */
1849void
1850rxvt_scr_refresh(pR_ unsigned char refresh_type)
1851{
1852 unsigned char clearfirst, /* first character writes before cell */
1853 clearlast, /* last character writes beyond cell */
1854 must_clear, /* use draw_string not draw_image_string */
1855#ifndef NO_BOLDFONT
1856 bfont, /* we've changed font to bold font */
1857#endif
1858 rvid, /* reverse video this position */
1859 wbyte, /* we're in multibyte */
1860 showcursor; /* show the cursor */
1861 int fore, back; /* desired foreground/background */
1862 int16_t col, row, /* column/row we're processing */
1863 ocrow; /* old cursor row */
1864 int cursorwidth;
1865 int i, /* tmp */
1866 row_offset; /* basic offset in screen structure */
1867#ifndef NO_CURSORCOLOR 2119#ifndef NO_CURSORCOLOR
1868 rend_t cc1; /* store colours at cursor position(s) */
1869 rend_t cc2; /* store colours at cursor position(s) */
1870#endif
1871 rend_t *drp, *srp; /* drawn-rend-pointer, screen-rend-pointer */
1872 text_t *dtp, *stp; /* drawn-text-pointer, screen-text-pointer */
1873 char *buffer; /* local copy of R->buffer */
1874
1875 if (refresh_type == NO_REFRESH || !R->TermWin.mapped)
1876 return;
1877
1878 /*
1879 * A: set up vars
1880 */
1881 clearfirst = clearlast = must_clear = wbyte = 0;
1882#ifndef NO_BOLDFONT
1883 bfont = 0;
1884#endif
1885
1886 if (R->currmaxcol < R->TermWin.ncol)
1887 {
1888 R->currmaxcol = R->TermWin.ncol;
1889 R->buffer = (char *)rxvt_realloc (R->buffer,
1890 sizeof(char) * (R->currmaxcol + 1) * MB_CUR_MAX);
1891 }
1892
1893 buffer = R->buffer;
1894 R->refresh_count = 0;
1895
1896 row_offset = R->TermWin.saveLines - R->TermWin.view_start;
1897
1898 if ((refresh_type & REFRESH_BOUNDS))
1899 {
1900 clearfirst = clearlast = 1;
1901 R->refresh_type &= ~REFRESH_BOUNDS;
1902 }
1903
1904#if defined(XPM_BACKGROUND)
1905 must_clear |= (R->bgPixmap.pixmap != None);
1906#endif
1907#if defined(TRANSPARENT)
1908 must_clear |= ((R->Options & Opt_transparent) && R->am_transparent);
1909#endif
1910 ocrow = R->oldcursor.row; /* is there an old outline cursor on screen? */
1911
1912/*
1913 * B: reverse any characters which are selected
1914 */
1915 rxvt_scr_reverse_selection(aR);
1916
1917/*
1918 * C: set the cursor character(s)
1919 */
1920 {
1921 unsigned char setoldcursor;
1922 rend_t ccol1, /* Cursor colour */
1923 ccol2; /* Cursor colour2 */
1924
1925 showcursor = (R->screen.flags & Screen_VisibleCursor);
1926 cursorwidth = 0;
1927#ifdef CURSOR_BLINK
1928 if (R->hidden_cursor)
1929 showcursor = 0;
1930#endif
1931
1932 cursorwidth = 0;
1933
1934 if (showcursor)
1935 {
1936 cursorwidth++;
1937
1938 srp = &(R->screen.rend[R->screen.cur.row + R->TermWin.saveLines]
1939 [R->screen.cur.col]);
1940
1941 if (showcursor && R->TermWin.focus)
1942 {
1943 *srp ^= RS_RVid;
1944#ifndef NO_CURSORCOLOR
1945 cc1 = *srp & (RS_fgMask | RS_bgMask);
1946 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_cursor)) 2120 if (ISSET_PIXCOLOR (Color_cursor2))
1947 ccol1 = Color_cursor; 2121 ccol2 = Color_cursor2;
1948 else 2122 else
2123#endif
1949#ifdef CURSOR_COLOR_IS_RENDITION_COLOR 2124#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1950 ccol1 = GET_FGCOLOR(R->rstyle); 2125 ccol2 = bgcolor_of (rstyle);
1951#else 2126#else
1952 ccol1 = Color_fg;
1953#endif
1954 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_cursor2))
1955 ccol2 = Color_cursor2;
1956 else
1957#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1958 ccol2 = GET_BGCOLOR(R->rstyle);
1959#else
1960 ccol2 = Color_bg; 2127 ccol2 = Color_bg;
1961#endif 2128#endif
1962 *srp = SET_FGCOLOR(*srp, ccol1);
1963 *srp = SET_BGCOLOR(*srp, ccol2);
1964#endif
1965 }
1966 2129
1967 while (IS_WIDE (*srp)) 2130 if (focus && cursor_type == 0)
1968 cursorwidth++, srp++;
1969 }
1970
1971 /* make sure no outline cursor is left around */
1972 setoldcursor = 0;
1973 if (ocrow != -1) {
1974 if (R->screen.cur.row + R->TermWin.view_start != ocrow
1975 || R->screen.cur.col != R->oldcursor.col) {
1976 if (ocrow < R->TermWin.nrow
1977 && R->oldcursor.col < R->TermWin.ncol) {
1978 R->drawn_rend[ocrow][R->oldcursor.col] ^= (RS_RVid | RS_Uline);
1979 }
1980 if (R->TermWin.focus || !showcursor)
1981 R->oldcursor.row = -1;
1982 else
1983 setoldcursor = 1;
1984 } 2131 {
1985 } else if (!R->TermWin.focus) 2132 rend_t rend = cur_rend;
1986 setoldcursor = 1; 2133
1987 if (setoldcursor) { 2134 rend ^= RS_RVid;
1988 if (R->screen.cur.row + R->TermWin.view_start >= R->TermWin.nrow) 2135 rend = SET_FGCOLOR (rend, ccol1);
1989 R->oldcursor.row = -1; 2136 rend = SET_BGCOLOR (rend, ccol2);
1990 else { 2137
1991 R->oldcursor.row = R->screen.cur.row + R->TermWin.view_start; 2138 scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
1992 R->oldcursor.col = R->screen.cur.col;
1993 } 2139 }
1994 } 2140 }
2141
2142 /* make sure no outline cursor is left around */
2143 if (ocrow != -1 && ocrow < nrow && oldcursor.col < ncol)
2144 drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2145
2146 // save the current cursor coordinates if the cursor is visible
2147 // and either the window is unfocused or the cursor style is
2148 // underline or vertical bar, so as to clear the outline cursor in
2149 // the next refresh if the cursor moves or becomes invisible
2150 if (showcursor && (!focus || cursor_type != 0) && screen.cur.row - view_start < nrow)
2151 {
2152 oldcursor.row = screen.cur.row - view_start;
2153 oldcursor.col = screen.cur.col;
1995 } 2154 }
2155 else
2156 oldcursor.row = -1;
2157 }
1996 2158
1997#ifndef NO_SLOW_LINK_SUPPORT 2159#ifndef NO_SLOW_LINK_SUPPORT
1998/* 2160 /*
1999 * D: CopyArea pass - very useful for slower links 2161 * D: CopyArea pass - very useful for slower links
2000 * This has been deliberately kept simple. 2162 * This has been deliberately kept simple.
2001 */ 2163 */
2002 i = R->num_scr; 2164 if (!display->is_local
2003 if (refresh_type == FAST_REFRESH && R->num_scr_allow && i 2165 && refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2004 && abs(i) < R->TermWin.nrow && !must_clear) 2166 && abs (num_scr) < nrow && !have_bg)
2005 { 2167 {
2006 int16_t nits; 2168 int16_t nits;
2007 int j; 2169 int i = num_scr;
2008 rend_t *drp2; 2170 int j;
2009 text_t *dtp2; 2171 int len, wlen;
2010 int len, wlen;
2011 2172
2012 j = R->TermWin.nrow; 2173 j = nrow;
2013 wlen = len = -1; 2174 wlen = len = -1;
2014 row = i > 0 ? 0 : j - 1; 2175 row = i > 0 ? 0 : j - 1;
2176
2015 for (; j-- >= 0; row += (i > 0 ? 1 : -1)) 2177 for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2016 { 2178 {
2017 if (row + i >= 0 && row + i < R->TermWin.nrow && row + i != ocrow) 2179 if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2018 { 2180 {
2019 stp = R->screen.text[row + row_offset]; 2181 line_t s = ROW(view_start + row);
2020 srp = R->screen.rend[row + row_offset];
2021 dtp = R->drawn_text[row]; 2182 line_t d = drawn_buf[row];
2022 dtp2 = R->drawn_text[row + i]; 2183 line_t d2 = drawn_buf[row + i];
2023 drp = R->drawn_rend[row];
2024 drp2 = R->drawn_rend[row + i];
2025 2184
2026 for (nits = 0, col = R->TermWin.ncol; col--; ) 2185 for (nits = 0, col = ncol; col--; )
2027 if (stp[col] != dtp2[col] || srp[col] != drp2[col]) 2186 if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
2028 nits--; 2187 nits--;
2029 else if (stp[col] != dtp[col] || srp[col] != drp[col]) 2188 else if (s.t[col] != d.t[col] || s.r[col] != d.r[col])
2030 nits++; 2189 nits++;
2031 2190
2032 if (nits > 8) /* XXX: arbitrary choice */ 2191 if (nits > 8) /* XXX: arbitrary choice */
2192 {
2193 for (col = ncol; col--; )
2194 {
2195 *d.t++ = *d2.t++;
2196 *d.r++ = *d2.r++;
2197 }
2198
2199 if (len == -1)
2200 len = row;
2201
2202 wlen = row;
2203 continue;
2204 }
2205 }
2206
2207 if (len >= 0)
2208 {
2209 /* also comes here at end if needed because of >= above */
2210 if (wlen < len)
2211 ::swap (wlen, len);
2212
2213 XGCValues gcv;
2214
2215 gcv.graphics_exposures = 1; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2216 XCopyArea (dpy, vt, vt,
2217 gc, 0, Row2Pixel (len + i),
2218 (unsigned int)this->width,
2219 (unsigned int)Height2Pixel (wlen - len + 1),
2220 0, Row2Pixel (len));
2221 gcv.graphics_exposures = 0; XChangeGC (dpy, gc, GCGraphicsExposures, &gcv);
2222
2223 len = -1;
2224 }
2225 }
2226 }
2227#endif
2228
2229 /*
2230 * E: main pass across every character
2231 */
2232 for (row = 0; row < nrow; row++)
2233 {
2234 text_t *stp = ROW(view_start + row).t;
2235 rend_t *srp = ROW(view_start + row).r;
2236 text_t *dtp = drawn_buf[row].t;
2237 rend_t *drp = drawn_buf[row].r;
2238
2239 /*
2240 * E2: OK, now the real pass
2241 */
2242 int ypixel = (int)Row2Pixel (row);
2243
2244 for (col = 0; col < ncol; col++)
2245 {
2246 /* compare new text with old - if exactly the same then continue */
2247 if (stp[col] == dtp[col] && RS_SAME (srp[col], drp[col]))
2248 continue;
2249
2250 // redraw one or more characters
2251
2252 // seek to the beginning of wide characters
2253 while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2254 --col;
2255
2256 rend_t rend = srp[col]; /* screen rendition (target rendition) */
2257 text_t *text = stp + col;
2258 int count = 1;
2259
2260 dtp[col] = stp[col];
2261 drp[col] = rend;
2262
2263 int xpixel = Col2Pixel (col);
2264
2265 for (i = 0; ++col < ncol; )
2266 {
2267 if (stp[col] == NOCHAR)
2268 {
2269 dtp[col] = stp[col];
2270 drp[col] = srp[col];
2271
2272 count++;
2273 i++;
2274
2275 continue;
2276 }
2277
2278 if (!RS_SAME (rend, srp[col]))
2279 break;
2280
2281 count++;
2282
2283 if (stp[col] != dtp[col]
2284 || !RS_SAME (srp[col], drp[col]))
2285 {
2286 if (have_bg && (i++ > count / 2))
2287 break;
2288
2289 dtp[col] = stp[col];
2290 drp[col] = rend;
2291 i = 0;
2292 }
2293 else if (have_bg || (stp[col] != ' ' && ++i >= 16))
2294 break;
2295 }
2296
2297 col--; /* went one too far. move back */
2298 count -= i; /* dump any matching trailing chars */
2299
2300 // sometimes we optimize away the trailing NOCHAR's, add them back
2301 while (ecb_unlikely (i && text[count] == NOCHAR))
2302 count++, i--;
2303
2304 /*
2305 * Determine the attributes for the string
2306 */
2307 int fore = fgcolor_of (rend); // desired foreground
2308 int back = bgcolor_of (rend); // desired background
2309
2310 // only do special processing if any attributes are set, which is unlikely
2311 if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2312 {
2313 bool invert = rend & RS_RVid;
2314
2315#ifndef NO_BOLD_UNDERLINE_REVERSE
2316 if (rend & RS_Bold && fore == Color_fg)
2317 {
2318 if (ISSET_PIXCOLOR (Color_BD))
2319 fore = Color_BD;
2320# if !ENABLE_STYLES
2321 else
2322 invert = !invert;
2323# endif
2324 }
2325
2326 if (rend & RS_Italic && fore == Color_fg)
2327 {
2328 if (ISSET_PIXCOLOR (Color_IT))
2329 fore = Color_IT;
2330# if !ENABLE_STYLES
2331 else
2332 invert = !invert;
2333# endif
2334 }
2335
2336 if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2337 fore = Color_UL;
2338#endif
2339
2340#ifdef OPTION_HC
2341 if (rend & RS_Sel)
2342 {
2343 /* invert the column if no highlightColor is set or it is the
2344 * current cursor column */
2345 if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2346 && ISSET_PIXCOLOR (Color_HC))
2347 {
2348 if (ISSET_PIXCOLOR (Color_HTC))
2349 fore = Color_HTC;
2350 // if invert is 0 reverse video is set so we use bg color as fg color
2351 else if (!invert)
2352 fore = back;
2353
2354 back = Color_HC;
2355 invert = 0;
2356 }
2357 }
2358#endif
2359
2360 if (invert)
2361 {
2362 ::swap (fore, back);
2363
2364#ifndef NO_BOLD_UNDERLINE_REVERSE
2365 if (fore == back)
2366 {
2367 fore = Color_bg;
2368 back = Color_fg;
2369 }
2370#endif
2371 }
2372
2373#ifdef TEXT_BLINK
2374 if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2375 {
2376 if (!text_blink_ev.is_active ())
2377 {
2378 text_blink_ev.again ();
2379 hidden_text = 0;
2380 }
2381 else if (hidden_text)
2382 fore = back;
2383 }
2384#endif
2385
2386#if ENABLE_STYLES
2387 // "careful" (too wide) character handling
2388
2389 // include previous careful character(s) if possible, looks nicer (best effort...)
2390 while (text > stp
2391 && srp[text - stp - 1] & RS_Careful
2392 && RS_SAME (rend, srp[text - stp - 1]))
2393 text--, count++, xpixel -= fwidth;
2394
2395 // force redraw after "careful" characters to avoid pixel droppings
2396 for (int i = 0; srp[col + i] & RS_Careful && col + i < ncol - 1; i++)
2397 drp[col + i + 1] = srp[col + i + 1] ^ RS_redraw;
2398
2399 // force redraw before "careful" characters to avoid pixel droppings
2400 for (int i = 0; srp[text - stp - i] & RS_Careful && text - i > stp; i++)
2401 drp[text - stp - i - 1] = srp[text - stp - i - 1] ^ RS_redraw;
2402#endif
2403 }
2404
2405 /*
2406 * Actually do the drawing of the string here
2407 */
2408 rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2409
2410 if (ecb_likely (have_bg && back == Color_bg))
2411 {
2412 // this is very ugly, maybe push it into ->draw?
2413
2414 for (i = 0; i < count; i++) /* don't draw empty strings */
2415 if (text[i] != ' ')
2033 { 2416 {
2034 for (col = R->TermWin.ncol; col--; ) 2417 font->draw (*drawable, xpixel, ypixel, text, count, fore, Color_transparent);
2035 { 2418 goto did_clear;
2036 *dtp++ = *dtp2++;
2037 *drp++ = *drp2++;
2038 }
2039
2040 if (len == -1)
2041 len = row;
2042
2043 wlen = row;
2044 continue;
2045 } 2419 }
2420
2421 CLEAR_CHARS (xpixel, ypixel, count);
2422 did_clear: ;
2046 } 2423 }
2424 else
2425 font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2047 2426
2048 if (len != -1) 2427 if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2049 { 2428 {
2050 /* also comes here at end if needed because of >= above */ 2429 if (showcursor && focus && row == screen.cur.row
2051 if (wlen < len) 2430 && IN_RANGE_EXC (col, cur_col, cur_col + cursorwidth))
2052 SWAP_IT(wlen, len, int); 2431 XSetForeground (dpy, gc, pix_colors[ccol1]);
2053 D_SCREEN((stderr, "rxvt_scr_refresh(): XCopyArea: %d -> %d (height: %d)", len + i, len, wlen - len + 1));
2054 XCopyArea(R->Xdisplay, R->TermWin.vt, R->TermWin.vt,
2055 R->TermWin.gc, 0, Row2Pixel(len + i),
2056 (unsigned int)TermWin_TotalWidth(),
2057 (unsigned int)Height2Pixel(wlen - len + 1),
2058 0, Row2Pixel(len));
2059 len = -1;
2060 }
2061 }
2062 }
2063#endif
2064
2065/*
2066 * E: main pass across every character
2067 */
2068 for (row = 0; row < R->TermWin.nrow; row++)
2069 {
2070 stp = R->screen.text[row + row_offset];
2071 srp = R->screen.rend[row + row_offset];
2072 dtp = R->drawn_text[row];
2073 drp = R->drawn_rend[row];
2074
2075/*
2076 * E2: OK, now the real pass
2077 */
2078 int ypixel = (int)Row2Pixel(row);
2079
2080 for (col = 0; col < R->TermWin.ncol; col++)
2081 {
2082 /* compare new text with old - if exactly the same then continue */
2083 rend_t rend = srp[col]; /* screen rendition (target rendtion) */
2084
2085 if (stp[col] == dtp[col] /* Must match characters to skip. */
2086 && (rend == drp[col] /* Either rendition the same or */
2087 || (stp[col] == ' ' /* space w/ no background change */
2088 && GET_BGATTR(rend) == GET_BGATTR(drp[col]))))
2089 continue;
2090
2091 text_t *text = stp + col;
2092 int count = 1;
2093
2094 /* redraw one or more characters */
2095
2096 dtp[col] = stp[col];
2097 drp[col] = rend;
2098
2099 if (*text == NOCHAR) // never start redrawing at invisible characters. */
2100 continue;
2101
2102 int xpixel = Col2Pixel(col);
2103
2104 // this loop looks very messy, it can probably be optimized
2105 // and cleaned a bit by you?
2106 for (i = 0; ++col < R->TermWin.ncol; )
2107 {
2108 if (stp[col] == NOCHAR)
2109 {
2110 dtp[col] = stp[col];
2111 drp[col] = rend;
2112 count++;
2113
2114 if (i) // only possible skip if char unchanged
2115 i++;
2116
2117 continue;
2118 }
2119
2120 if (((rend ^ srp[col]) & ~RS_wide) != 0)
2121 break;
2122
2123 count++;
2124
2125 if (stp[col] != dtp[col]
2126 || srp[col] != drp[col])
2127 {
2128 if (must_clear && (i++ > (count / 2)))
2129 break;
2130
2131 dtp[col] = stp[col];
2132 drp[col] = rend;
2133 i = 0;
2134 }
2135 else if (must_clear || (stp[col] != ' ' && ++i >= 32))
2136 break;
2137 }
2138
2139 col--; /* went one too far. move back */
2140 count -= i; /* dump any matching trailing chars */
2141
2142/*
2143 * Determine the attributes for the string
2144 */
2145 int fid = GET_FONT(rend);
2146 fore = GET_FGCOLOR(rend);
2147 back = GET_BGCOLOR(rend);
2148 rend = GET_ATTR(rend);
2149
2150 rvid = (rend & RS_RVid) ? 1 : 0;
2151#ifdef OPTION_HC
2152 if (!rvid && (rend & RS_Blink))
2153 {
2154 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_HC))
2155 back = Color_HC;
2156 else 2432 else
2157 rvid = !rvid; /* fall back */ 2433#if ENABLE_FRILLS
2434 if (ISSET_PIXCOLOR (Color_underline))
2435 XSetForeground (dpy, gc, pix_colors[Color_underline]);
2436 else
2437#endif
2438 XSetForeground (dpy, gc, pix_colors[fore]);
2439
2440 XDrawLine (dpy, vt, gc,
2441 xpixel, ypixel + font->ascent + 1,
2442 xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2158 } 2443 }
2159#endif 2444 } /* for (col....) */
2160 if (rvid) 2445 } /* for (row....) */
2446
2447 /*
2448 * G: cleanup cursor and display outline cursor if necessary
2449 */
2450 if (showcursor)
2451 {
2452 if (focus)
2453 {
2454 if (cursor_type == 0)
2455 scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2456 else if (oldcursor.row >= 0)
2161 { 2457 {
2162 SWAP_IT(fore, back, int); 2458 XSetForeground (dpy, gc, pix_colors[ccol1]);
2459 if (cursor_type == 1)
2460 XFillRectangle (dpy, vt, gc,
2461 Col2Pixel (cur_col),
2462 Row2Pixel (oldcursor.row + 1) - 2,
2463 Width2Pixel (1),
2464 2);
2465 else
2466 XFillRectangle (dpy, vt, gc,
2467 Col2Pixel (cur_col),
2468 Row2Pixel (oldcursor.row),
2469 2,
2470 Height2Pixel (1));
2471 }
2472 }
2473 else if (oldcursor.row >= 0)
2474 {
2475 XSetForeground (dpy, gc, pix_colors[ccol1]);
2163 2476
2164#ifndef NO_BOLD_UNDERLINE_REVERSE 2477 XDrawRectangle (dpy, vt, gc,
2165 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_RV) 2478 Col2Pixel (cur_col),
2166# ifndef NO_CURSORCOLOR 2479 Row2Pixel (oldcursor.row),
2167 && !ISSET_PIXCOLOR(R, Color_cursor) 2480 (unsigned int) (Width2Pixel (cursorwidth) - 1),
2481 (unsigned int) (Height2Pixel (1) - 1));
2482 }
2483 }
2484
2485 /*
2486 * H: cleanup selection
2487 */
2488#if ENABLE_OVERLAY
2489 scr_swap_overlay ();
2490#endif
2491 HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2492
2493 scr_reverse_selection ();
2494
2495 screen.flags = old_screen_flags;
2496 num_scr = 0;
2497 num_scr_allow = 1;
2498}
2499
2500void ecb_cold
2501rxvt_term::scr_remap_chars (line_t &l) noexcept
2502{
2503 if (!l.valid ())
2504 return;
2505
2506 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2507
2508 for (int i = ncol; i--; )
2509 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2510}
2511
2512void ecb_cold
2513rxvt_term::scr_remap_chars () noexcept
2514{
2515 for (int i = total_rows; i--; )
2516 scr_remap_chars (row_buf [i]);
2517
2518 for (int i = nrow; i--; )
2519 {
2520 scr_remap_chars (drawn_buf [i]);
2521 scr_remap_chars (swap_buf [i]);
2522 }
2523}
2524
2525void ecb_cold
2526rxvt_term::scr_recolor (bool refresh) noexcept
2527{
2528 bool transparent = false;
2529
2530#ifdef HAVE_IMG
2531 if (bg_img != 0)
2532 {
2533# if ENABLE_TRANSPARENCY
2534 if (bg_flags & BG_IS_TRANSPARENT)
2535 {
2536 XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
2537 XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2538
2539 transparent = true;
2540 }
2541 else
2168# endif 2542# endif
2169 )
2170 back = Color_RV;
2171#endif
2172 }
2173#ifndef NO_BOLD_UNDERLINE_REVERSE
2174 else if (rend & RS_Bold)
2175 { 2543 {
2176 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_BD)) 2544 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2177 { 2545 XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2178 fore = Color_BD; 2546 }
2179# ifndef VERYBOLD 2547 }
2180 rend &= ~RS_Bold; /* we've taken care of it */ 2548 else
2181# endif 2549#endif
2182 }
2183 }
2184 else if (rend & RS_Uline)
2185 {
2186 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_UL))
2187 {
2188 fore = Color_UL;
2189 rend &= ~RS_Uline; /* we've taken care of it */
2190 }
2191 }
2192#endif
2193
2194/*
2195 * Actually do the drawing of the string here
2196 */
2197 rxvt_font *font = (*R->TermWin.fontset)[fid];
2198
2199 if (back == Color_bg)
2200 {
2201 if (must_clear)
2202 {
2203 for (i = 0; i < count; i++) /* don't draw empty strings */
2204 if (text[i] != ' ')
2205 {
2206 font->draw (xpixel, ypixel, text, count, fore, -1);
2207 goto nodraw;
2208 }
2209
2210 CLEAR_CHARS(xpixel, ypixel, count);
2211nodraw: ;
2212 }
2213 else
2214 font->draw (xpixel, ypixel, text, count, fore, Color_bg);
2215 }
2216 else
2217 font->draw (xpixel, ypixel, text, count, fore, back);
2218
2219 if ((rend & RS_Uline) && (font->descent > 1))
2220 XDrawLine(R->Xdisplay, drawBuffer, R->TermWin.gc,
2221 xpixel, ypixel + font->ascent + 1,
2222 xpixel + Width2Pixel(count) - 1, ypixel + font->ascent + 1);
2223 } /* for (col....) */
2224 } /* for (row....) */
2225
2226/*
2227 * G: cleanup cursor and display outline cursor if necessary
2228 */
2229 if (showcursor) {
2230 if (R->TermWin.focus) {
2231 srp = &(R->screen.rend[R->screen.cur.row + R->TermWin.saveLines]
2232 [R->screen.cur.col]);
2233 *srp ^= RS_RVid;
2234#ifndef NO_CURSORCOLOR
2235 *srp = (*srp & ~(RS_fgMask | RS_bgMask)) | cc1;
2236#endif
2237 } else if (R->oldcursor.row >= 0) {
2238#ifndef NO_CURSORCOLOR
2239 unsigned long gcmask; /* Graphics Context mask */
2240
2241 if (XDEPTH > 2 && ISSET_PIXCOLOR(R, Color_cursor)) {
2242 XSetForeground (R->Xdisplay, R->TermWin.gc, R->PixColors[Color_cursor]);
2243 }
2244#endif
2245 XDrawRectangle(R->Xdisplay, drawBuffer, R->TermWin.gc,
2246 Col2Pixel(R->oldcursor.col),
2247 Row2Pixel(R->oldcursor.row),
2248 (unsigned int)(Width2Pixel(cursorwidth) - 1),
2249 (unsigned int)(Height2Pixel(1) - R->TermWin.lineSpace - 1));
2250 }
2251 } 2550 {
2252/* 2551 XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2253 * H: cleanup selection 2552 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2254 */ 2553 }
2255 rxvt_scr_reverse_selection(aR);
2256 2554
2257/* 2555 XClearWindow (dpy, parent);
2258 * I: other general cleanup
2259 */
2260 if (clearfirst && R->TermWin.int_bwidth)
2261 /*
2262 * clear the whole screen height, note that width == 0 is treated
2263 * specially by XClearArea
2264 */
2265 XClearArea(R->Xdisplay, R->TermWin.vt, 0, 0,
2266 (unsigned int)R->TermWin.int_bwidth,
2267 (unsigned int)TermWin_TotalHeight(), False);
2268 if (clearlast && R->TermWin.int_bwidth)
2269 /*
2270 * clear the whole screen height, note that width == 0 is treated
2271 * specially by XClearArea
2272 */
2273 XClearArea(R->Xdisplay, R->TermWin.vt,
2274 R->TermWin.width + R->TermWin.int_bwidth, 0,
2275 (unsigned int)R->TermWin.int_bwidth,
2276 (unsigned int)TermWin_TotalHeight(), False);
2277 if (refresh_type & SMOOTH_REFRESH)
2278 XSync(R->Xdisplay, False);
2279 2556
2280 R->num_scr = 0; 2557 if (scrollBar.state && scrollBar.win)
2281 R->num_scr_allow = 1; 2558 {
2282 R->want_refresh = 0; /* screen is current */ 2559 if (transparent)
2283} 2560 XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2284/* ------------------------------------------------------------------------- */
2285
2286/* EXTPROTO */
2287void
2288rxvt_scr_clear(pR)
2289{
2290 if (!R->TermWin.mapped)
2291 return;
2292 R->num_scr_allow = 0;
2293 R->want_refresh = 1;
2294#ifdef TRANSPARENT
2295 if ((R->Options & Opt_transparent) && (R->am_pixmap_trans == 0)) {
2296 int i;
2297
2298 if (!(R->Options & Opt_transparent_all))
2299 i = 0;
2300 else 2561 else
2301 i = (int)(sizeof(R->TermWin.parent) / sizeof(Window)); 2562 XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2302 for (; i--;) 2563 scrollBar.state = SB_STATE_IDLE;
2303 if (R->TermWin.parent[i] != None) 2564 scrollBar.show (0);
2304 XClearWindow(R->Xdisplay, R->TermWin.parent[i]); 2565 }
2566
2567 if (refresh)
2305 } 2568 {
2306#endif 2569 scr_clear ();
2307 XClearWindow(R->Xdisplay, R->TermWin.vt); 2570 scr_touch (true);
2571 }
2572 want_refresh = 1;
2308} 2573}
2309 2574
2310/* ------------------------------------------------------------------------- */ 2575/* ------------------------------------------------------------------------- */
2311/* INTPROTO */
2312void 2576void
2577rxvt_term::scr_clear (bool really) noexcept
2578{
2579 if (!mapped)
2580 return;
2581
2582 num_scr_allow = 0;
2583 want_refresh = 1;
2584
2585 if (really)
2586 XClearWindow (dpy, vt);
2587}
2588
2589void
2590rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) noexcept
2591{
2592 int view_end = view_start + nrow;
2593 int row, col;
2594
2595 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2596 {
2597 text_t *stp = ROW(row).t;
2598 rend_t *srp = ROW(row).r;
2599
2600 for (col = beg_col; col < end_col; col++)
2601 srp[col] ^= rstyle1;
2602
2603 while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2604 srp[col] ^= rstyle2;
2605
2606 if (++col < end_col)
2607 srp[col] ^= rstyle2;
2608 }
2609}
2610
2611void
2612rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) noexcept
2613{
2614 int view_end = view_start + nrow;
2615 int row, col;
2616
2617 if (beg_row >= view_start)
2618 {
2619 col = beg_col;
2620 row = beg_row;
2621 }
2622 else
2623 {
2624 col = 0;
2625 row = view_start;
2626 }
2627
2628 for (; row < min (end_row, view_end); row++, col = 0)
2629 for (rend_t *srp = ROW(row).r; col < ncol; col++)
2630 srp[col] ^= rstyle;
2631
2632 if (row == end_row)
2633 for (rend_t *srp = ROW(row).r; col < end_col; col++)
2634 srp[col] ^= rstyle;
2635}
2636
2637/* ------------------------------------------------------------------------- */
2638void ecb_hot
2313rxvt_scr_reverse_selection(pR) 2639rxvt_term::scr_reverse_selection () noexcept
2314{ 2640{
2315 int i, col, row, end_row; 2641 if (selection.op
2316 rend_t *srp; 2642 && current_screen == selection.screen
2317 2643 && selection.end.row >= view_start)
2318 if (R->selection.op && R->current_screen == R->selection.screen) { 2644 {
2319 end_row = R->TermWin.saveLines - R->TermWin.view_start; 2645#if !ENABLE_MINIMAL
2320 i = R->selection.beg.row + R->TermWin.saveLines; 2646 if (selection.rect)
2321 row = R->selection.end.row + R->TermWin.saveLines; 2647 scr_xor_rect (selection.beg.row, selection.beg.col,
2322 if (i >= end_row) 2648 selection.end.row, selection.end.col,
2323 col = R->selection.beg.col; 2649 RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2324 else { 2650 else
2325 col = 0;
2326 i = end_row;
2327 }
2328 end_row += R->TermWin.nrow;
2329 for (; i < row && i < end_row; i++, col = 0)
2330 for (srp = R->screen.rend[i]; col < R->TermWin.ncol; col++)
2331#ifndef OPTION_HC
2332 srp[col] ^= RS_RVid;
2333#else
2334 srp[col] ^= RS_Blink;
2335#endif 2651#endif
2336 if (i == row && i < end_row) 2652 scr_xor_span (selection.beg.row, selection.beg.col,
2337 for (srp = R->screen.rend[i]; col < R->selection.end.col; col++) 2653 selection.end.row, selection.end.col,
2338#ifndef OPTION_HC 2654 RS_Sel | RS_RVid);
2339 srp[col] ^= RS_RVid;
2340#else
2341 srp[col] ^= RS_Blink;
2342#endif
2343 } 2655 }
2344} 2656}
2345 2657
2346/* ------------------------------------------------------------------------- */ 2658/* ------------------------------------------------------------------------- */
2347/* 2659/*
2348 * Dump the whole scrollback and screen to the passed filedescriptor. The 2660 * Dump the whole scrollback and screen to the passed filedescriptor. The
2349 * invoking routine must close the fd. 2661 * invoking routine must close the fd.
2350 */ 2662 */
2351#if 0 2663#if 0
2352/* EXTPROTO */
2353void 2664void
2354rxvt_scr_dump(pR_ int fd) 2665rxvt_term::scr_dump (int fd) noexcept
2355{ 2666{
2356 int row, wrote; 2667 // if this method is needed, it can be implemented by factoring the
2357 unsigned int width, towrite; 2668 // relevant code in scr_printscreen
2358 char r1[] = "\n";
2359
2360 for (row = R->TermWin.saveLines - R->TermWin.nscrolled;
2361 row < R->TermWin.saveLines + R->TermWin.nrow - 1; row++) {
2362 width = R->screen.tlen[row] >= 0 ? R->screen.tlen[row]
2363 : R->TermWin.ncol;
2364 for (towrite = width; towrite; towrite -= wrote) {
2365 wrote = write(fd, &(R->screen.text[row][width - towrite]),
2366 towrite);
2367 if (wrote < 0)
2368 return; /* XXX: death, no report */
2369 }
2370 if (R->screen.tlen[row] >= 0)
2371 if (write(fd, r1, 1) <= 0)
2372 return; /* XXX: death, no report */
2373 }
2374} 2669}
2375#endif 2670#endif
2376 2671
2377/* ------------------------------------------------------------------------- * 2672/* ------------------------------------------------------------------------- *
2378 * CHARACTER SELECTION * 2673 * CHARACTER SELECTION *
2379 * ------------------------------------------------------------------------- */ 2674 * ------------------------------------------------------------------------- */
2380
2381/*
2382 * -R->TermWin.nscrolled <= (selection row) <= R->TermWin.nrow - 1
2383 */
2384/* EXTPROTO */
2385void 2675void
2386rxvt_selection_check(pR_ int check_more) 2676rxvt_term::selection_check (int check_more) noexcept
2387{ 2677{
2388 row_col_t pos;
2389
2390 if (!R->selection.op) 2678 if (!selection.op)
2391 return; 2679 return;
2392 2680
2393 pos.row = pos.col = 0; 2681 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2394 if ((R->selection.beg.row < -(int32_t)R->TermWin.nscrolled) 2682 || !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2395 || (R->selection.beg.row >= R->TermWin.nrow) 2683 || !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2396 || (R->selection.mark.row < -(int32_t)R->TermWin.nscrolled)
2397 || (R->selection.mark.row >= R->TermWin.nrow)
2398 || (R->selection.end.row < -(int32_t)R->TermWin.nscrolled)
2399 || (R->selection.end.row >= R->TermWin.nrow)
2400 || (check_more == 1 2684 || (check_more == 1
2401 && R->current_screen == R->selection.screen 2685 && current_screen == selection.screen
2402 && !ROWCOL_IS_BEFORE(R->screen.cur, R->selection.beg) 2686 && !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2403 && ROWCOL_IS_BEFORE(R->screen.cur, R->selection.end)) 2687 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2404 || (check_more == 2
2405 && ROWCOL_IS_BEFORE(R->selection.beg, pos)
2406 && ROWCOL_IS_AFTER(R->selection.end, pos))
2407 || (check_more == 3
2408 && ROWCOL_IS_AFTER(R->selection.end, pos))
2409 || (check_more == 4 /* screen width change */
2410 && (R->selection.beg.row != R->selection.end.row
2411 || R->selection.end.col > R->TermWin.ncol)))
2412 CLEAR_SELECTION(R); 2688 CLEAR_ALL_SELECTION ();
2689}
2690
2691void
2692rxvt_term::selection_changed () noexcept
2693{
2694 line_t &r1 = ROW (selection.beg.row);
2695 while (selection.beg.col < r1.l && r1.t [selection.beg.col] == NOCHAR)
2696 ++selection.beg.col;
2697
2698 line_t &r2 = ROW (selection.end.row);
2699 while (selection.end.col < r2.l && r2.t [selection.end.col] == NOCHAR)
2700 ++selection.end.col;
2701
2702 want_refresh = 1;
2413} 2703}
2414 2704
2415/* ------------------------------------------------------------------------- */ 2705/* ------------------------------------------------------------------------- */
2416/* 2706/*
2417 * Paste a selection direct to the command fd 2707 * Paste a selection direct to the command fd
2418 */ 2708 */
2419/* INTPROTO */
2420void 2709void
2421rxvt_PasteIt (pR_ const unsigned char *data, unsigned int nitems) 2710rxvt_term::tt_paste (char *data, unsigned int len) noexcept
2422{ 2711{
2423 unsigned int i, j, n;
2424 unsigned char *ds = (unsigned char *)rxvt_malloc (PROP_SIZE);
2425
2426 /* convert normal newline chars into common keyboard Return key sequence */ 2712 /* convert normal newline chars into common keyboard Return key sequence */
2427 for (i = 0; i < nitems; i += PROP_SIZE) 2713 for (unsigned int i = 0; i < len; i++)
2428 { 2714 if (data[i] == C0_LF)
2429 n = min (nitems - i, PROP_SIZE); 2715 data[i] = C0_CR;
2430 MEMCPY (ds, data + i, n);
2431 for (j = 0; j < n; j++)
2432 if (ds[j] == '\n')
2433 ds[j] = '\r';
2434 R->tt_write (ds, (int)n);
2435 }
2436 2716
2437 free(ds); 2717 #if ENABLE_FRILLS
2438} 2718 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2439 2719 tt_printf ("\x1b[200~");
2440/* ------------------------------------------------------------------------- */
2441/*
2442 * Respond to a notification that a primary selection has been sent
2443 * EXT: SelectionNotify
2444 */
2445/* EXTPROTO */
2446int
2447rxvt_selection_paste(pR_ Window win, Atom prop, Bool delete_prop)
2448{
2449 long nread = 0;
2450 unsigned long bytes_after;
2451 XTextProperty ct;
2452#ifdef MULTICHAR_SET
2453 int dummy_count;
2454 char **cl;
2455#endif 2720 #endif
2456 2721
2457 D_SELECT((stderr, "rxvt_selection_paste(%08lx, %lu, %d), wait=%2x", win, (unsigned long)prop, (int)delete_prop, R->selection_wait)); 2722 tt_write (data, len);
2458 2723
2459 if (prop == None) { /* check for failed XConvertSelection */ 2724 #if ENABLE_FRILLS
2460#ifdef MULTICHAR_SET 2725 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2461 if ((R->selection_type & Sel_CompoundText)) { 2726 tt_printf ("\x1b[201~");
2462 int selnum = R->selection_type & Sel_whereMask;
2463
2464 R->selection_type = 0;
2465 if (selnum != Sel_direct)
2466 rxvt_selection_request_other(aR_ XA_STRING, selnum);
2467 }
2468#endif 2727 #endif
2469 return 0;
2470 }
2471 for (;;) {
2472 if (XGetWindowProperty(R->Xdisplay, win, prop, (long)(nread / 4),
2473 (long)(PROP_SIZE / 4), delete_prop,
2474 AnyPropertyType, &ct.encoding, &ct.format,
2475 &ct.nitems, &bytes_after,
2476 &ct.value) != Success)
2477 break;
2478 if (ct.encoding == 0) {
2479 D_SELECT((stderr, "rxvt_selection_paste: property didn't exist!"));
2480 break;
2481 }
2482 if (ct.value == NULL) {
2483 D_SELECT((stderr, "rxvt_selection_paste: property shooting blanks!"));
2484 continue;
2485 }
2486 if (ct.nitems == 0) {
2487 D_SELECT((stderr, "rxvt_selection_paste: property empty - also INCR end"));
2488 if (R->selection_wait == Sel_normal && nread == 0) {
2489 /*
2490 * pass through again trying CUT_BUFFER0 if we've come from
2491 * XConvertSelection() but nothing was presented
2492 */
2493 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0"));
2494 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, False);
2495 }
2496 nread = -1; /* discount any previous stuff */
2497 break;
2498 }
2499 nread += ct.nitems;
2500#ifdef MULTICHAR_SET
2501 if (XmbTextPropertyToTextList(R->Xdisplay, &ct, &cl,
2502 &dummy_count) == Success && cl) {
2503 rxvt_PasteIt(aR_ cl[0], STRLEN(cl[0]));
2504 XFreeStringList(cl);
2505 } else
2506#endif
2507 rxvt_PasteIt(aR_ ct.value, (unsigned int)ct.nitems);
2508 if (bytes_after == 0)
2509 break;
2510 XFree(ct.value);
2511 }
2512 if (ct.value)
2513 XFree(ct.value);
2514 if (R->selection_wait == Sel_normal)
2515 R->selection_wait = Sel_none;
2516 D_SELECT((stderr, "rxvt_selection_paste: bytes written: %ld", nread));
2517 return (int)nread;
2518} 2728}
2519 2729
2520/*
2521 * INCR support originally provided by Paul Sheer <psheer@obsidian.co.za>
2522 */
2523/* EXTPROTO */
2524void 2730void
2525rxvt_selection_property(pR_ Window win, Atom prop) 2731rxvt_term::paste (char *data, unsigned int len) noexcept
2526{ 2732{
2527 int reget_time = 0; 2733 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2528
2529 if (prop == None)
2530 return; 2734 return;
2531 D_SELECT((stderr, "rxvt_selection_property(%08lx, %lu)", win, (unsigned long)prop));
2532 if (R->selection_wait == Sel_normal) {
2533 int a, afmt;
2534 Atom atype;
2535 unsigned long bytes_after, nitems;
2536 unsigned char *s = NULL;
2537 2735
2538 a = XGetWindowProperty(R->Xdisplay, win, prop, 0L, 1L, False, 2736 tt_paste (data, len);
2539 R->xa[XA_INCR], &atype, &afmt, &nitems,
2540 &bytes_after, &s);
2541 if (s)
2542 XFree(s);
2543 if (a != Success)
2544 return;
2545#ifndef __CYGWIN32__
2546 if (atype == R->xa[XA_INCR]) { /* start an INCR transfer */
2547 D_SELECT((stderr, "rxvt_selection_property: INCR: starting transfer"));
2548 XDeleteProperty(R->Xdisplay, win, prop);
2549 XFlush(R->Xdisplay);
2550 reget_time = 1;
2551 R->selection_wait = Sel_incr;
2552 }
2553#endif
2554 } else if (R->selection_wait == Sel_incr) {
2555 reget_time = 1;
2556 if (rxvt_selection_paste(aR_ win, prop, True) == -1) {
2557 D_SELECT((stderr, "rxvt_selection_property: INCR: clean end"));
2558 R->selection_wait = Sel_none;
2559 R->timeout[TIMEOUT_INCR].tv_sec = 0; /* turn off timer */
2560 }
2561 }
2562 if (reget_time) { /* received more data so reget time */
2563 (void)gettimeofday(&(R->timeout[TIMEOUT_INCR]), NULL);
2564 R->timeout[TIMEOUT_INCR].tv_sec += 10; /* ten seconds wait */
2565 }
2566} 2737}
2738
2567/* ------------------------------------------------------------------------- */ 2739/* ------------------------------------------------------------------------- */
2568/* 2740/*
2569 * Request the current selection: 2741 * Request PRIMARY, SECONDARY or CLIPBOARD selection.
2570 * Order: > internal selection if available 2742 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2571 * > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+) 2743 * as fallback
2572 * > CUT_BUFFER0
2573 * (+) if ownership is claimed but property is empty, rxvt_selection_paste()
2574 * will auto fallback to CUT_BUFFER0
2575 * EXT: button 2 release 2744 * EXT: button 2 release
2576 */ 2745 */
2577/* EXTPROTO */
2578void 2746void
2579rxvt_selection_request(pR_ Time tm, int x, int y) 2747rxvt_term::selection_request (Time tm, int selnum) noexcept
2580{ 2748{
2581 D_SELECT((stderr, "rxvt_selection_request(%lu, %d, %d)", tm, x, y)); 2749 if (!selection_req)
2582 if (x < 0 || x >= R->TermWin.width || y < 0 || y >= R->TermWin.height)
2583 return; /* outside window */
2584
2585 if (R->selection.text != NULL) { /* internal selection */
2586 D_SELECT((stderr, "rxvt_selection_request: pasting internal"));
2587 rxvt_PasteIt(aR_ R->selection.text, R->selection.len);
2588 return;
2589 } else {
2590 int i;
2591
2592 R->selection_request_time = tm;
2593 R->selection_wait = Sel_normal;
2594 for (i = Sel_Primary; i <= Sel_Clipboard; i++) {
2595#ifdef MULTICHAR_SET
2596 R->selection_type = Sel_CompoundText;
2597#else
2598 R->selection_type = 0;
2599#endif
2600 if (rxvt_selection_request_other(aR_
2601#ifdef MULTICHAR_SET
2602 R->xa[XA_COMPOUND_TEXT],
2603#else
2604 XA_STRING,
2605#endif
2606 i))
2607 return;
2608 }
2609 } 2750 {
2610 R->selection_wait = Sel_none; /* don't loop in rxvt_selection_paste() */ 2751 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2611 D_SELECT((stderr, "rxvt_selection_request: pasting CUT_BUFFER0")); 2752 selection_req->run ();
2612 rxvt_selection_paste(aR_ Xroot, XA_CUT_BUFFER0, False);
2613}
2614
2615/* INTPROTO */
2616int
2617rxvt_selection_request_other(pR_ Atom target, int selnum)
2618{
2619 Atom sel;
2620#ifdef DEBUG_SELECT
2621 char *debug_xa_names[] = { "PRIMARY", "SECONDARY", "CLIPBOARD" };
2622#endif
2623
2624 R->selection_type |= selnum;
2625 if (selnum == Sel_Primary)
2626 sel = XA_PRIMARY;
2627 else if (selnum == Sel_Secondary)
2628 sel = XA_SECONDARY;
2629 else
2630 sel = R->xa[XA_CLIPBOARD];
2631 if (XGetSelectionOwner(R->Xdisplay, sel) != None) {
2632 D_SELECT((stderr, "rxvt_selection_request_other: pasting %s", debug_xa_names[selnum]));
2633 XConvertSelection(R->Xdisplay, sel, target, R->xa[XA_VT_SELECTION],
2634 R->TermWin.vt, R->selection_request_time);
2635 return 1;
2636 } 2753 }
2637 return 0;
2638} 2754}
2639 2755
2640/* ------------------------------------------------------------------------- */ 2756/* ------------------------------------------------------------------------- */
2641/* 2757/*
2642 * Clear all selected text 2758 * Clear all selected text
2643 * EXT: SelectionClear 2759 * EXT: SelectionClear
2644 */ 2760 */
2645/* EXTPROTO */
2646void 2761void
2647rxvt_selection_clear(pR) 2762rxvt_term::selection_clear (bool clipboard) noexcept
2648{ 2763{
2649 D_SELECT((stderr, "rxvt_selection_clear()")); 2764 if (!clipboard)
2650 2765 {
2651 R->want_refresh = 1; 2766 want_refresh = 1;
2652 if (R->selection.text)
2653 free(R->selection.text); 2767 free (selection.text);
2654 R->selection.text = NULL; 2768 selection.text = NULL;
2655 R->selection.len = 0; 2769 selection.len = 0;
2656 CLEAR_SELECTION(R); 2770 CLEAR_SELECTION ();
2771
2772 if (display->selection_owner == this)
2773 display->selection_owner = 0;
2774 }
2775 else
2776 {
2777 free (selection.clip_text);
2778 selection.clip_text = NULL;
2779 selection.clip_len = 0;
2780
2781 if (display->clipboard_owner == this)
2782 display->clipboard_owner = 0;
2783 }
2657} 2784}
2658 2785
2659/* ------------------------------------------------------------------------- */ 2786/* ------------------------------------------------------------------------- */
2660/* 2787/*
2661 * Copy a selection into the cut buffer 2788 * Copy a selection into the cut buffer
2662 * EXT: button 1 or 3 release 2789 * EXT: button 1 or 3 release
2663 */ 2790 */
2664/* EXTPROTO */
2665void 2791void
2666rxvt_selection_make(pR_ Time tm) 2792rxvt_term::selection_make (Time tm)
2667{ 2793{
2668 int i, col, end_col, row, end_row; 2794 int size;
2669 unsigned char *new_selection_text; 2795 wchar_t *new_selection_text;
2670 char *str; 2796 text_t *t;
2671 text_t *t;
2672#ifdef ACS_ASCII
2673 rend_t *re;
2674#endif
2675 2797
2676 D_SELECT((stderr, "rxvt_selection_make(): R->selection.op=%d, R->selection.clicks=%d", R->selection.op, R->selection.clicks));
2677 switch (R->selection.op) { 2798 switch (selection.op)
2799 {
2678 case SELECTION_CONT: 2800 case SELECTION_CONT:
2679 break; 2801 break;
2680 case SELECTION_INIT: 2802 case SELECTION_INIT:
2681 CLEAR_SELECTION(R); 2803 CLEAR_SELECTION ();
2682 /* FALLTHROUGH */ 2804 /* FALLTHROUGH */
2683 case SELECTION_BEGIN: 2805 case SELECTION_BEGIN:
2684 R->selection.op = SELECTION_DONE; 2806 selection.op = SELECTION_DONE;
2685 /* FALLTHROUGH */ 2807 /* FALLTHROUGH */
2686 default: 2808 default:
2687 return; 2809 return;
2688 } 2810 }
2811
2689 R->selection.op = SELECTION_DONE; 2812 selection.op = SELECTION_DONE;
2690 2813
2691 if (R->selection.clicks == 4) 2814 if (selection.clicks == 4)
2692 return; /* nothing selected, go away */ 2815 return; /* nothing selected, go away */
2693 2816
2817 if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2818 return;
2819
2694 i = (R->selection.end.row - R->selection.beg.row + 1) * (R->TermWin.ncol + 1) + 1; 2820 size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2695 str = (char *)rxvt_malloc(i * MB_CUR_MAX + 1); 2821 new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2696 2822
2697 new_selection_text = (unsigned char *)str; 2823 int ofs = 0;
2824 int extra = 0;
2698 2825
2699 col = R->selection.beg.col; 2826 int col = selection.beg.col;
2700 MAX_IT(col, 0); 2827 int row = selection.beg.row;
2701 row = R->selection.beg.row + R->TermWin.saveLines;
2702 end_row = R->selection.end.row + R->TermWin.saveLines;
2703 2828
2829 int end_col;
2830
2704 for (; row <= end_row; row++, col = 0) 2831 for (; row <= selection.end.row; row++, col = 0)
2832 {
2833#if !ENABLE_MINIMAL
2834 if (selection.rect)
2705 { 2835 {
2706 t = &(R->screen.text[row][col]); 2836 col = selection.beg.col;
2707
2708 end_col = R->screen.tlen[row];
2709
2710 if (end_col == -1)
2711 end_col = R->TermWin.ncol; 2837 end_col = selection.end.col;
2838 }
2839 else
2840#endif
2841 end_col = ROW(row).l;
2712 2842
2843 col = max (col, 0);
2844
2713 if (row == end_row) 2845 if (row == selection.end.row)
2714 MIN_IT (end_col, R->selection.end.col); 2846 min_it (end_col, selection.end.col);
2715 2847
2848 t = ROW(row).t + col;
2849
2716 for (; col < end_col; col++) 2850 for (; col < end_col; col++)
2851 {
2717 if (*t == NOCHAR) 2852 if (*t == NOCHAR)
2718 t++; 2853 t++;
2854#if ENABLE_COMBINING
2855 else if (IS_COMPOSE (*t))
2856 {
2857 int len = rxvt_composite.expand (*t);
2858
2859 extra -= (len - 1);
2860
2861 if (extra < 0)
2862 {
2863 extra += size;
2864 size += size;
2865 new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
2866 }
2867
2868 ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
2869 }
2870#endif
2719 else 2871 else
2720 { 2872 new_selection_text[ofs++] = *t++;
2721 int len = wctomb (str, *t++);
2722 if (len > 0)
2723 str += len;
2724 }
2725
2726 if (R->screen.tlen[row] != -1 && row != end_row)
2727 *str++ = '\n';
2728 } 2873 }
2729 2874
2730#ifndef NO_OLD_SELECTION 2875#if !ENABLE_MINIMAL
2731 if (R->selection_style == OLD_SELECT) 2876 if (selection.rect)
2732 if (end_col == R->TermWin.ncol)
2733 *str++ = '\n';
2734#endif
2735#ifndef NO_NEW_SELECTION
2736 if (R->selection_style != OLD_SELECT)
2737 if (end_col != R->selection.end.col)
2738 *str++ = '\n';
2739#endif
2740 *str = '\0';
2741
2742 i = str - (char *)new_selection_text;
2743 if (i == 0)
2744 { 2877 {
2878 while (ofs
2879 && new_selection_text[ofs - 1] != C0_LF
2880 && unicode::is_space (new_selection_text[ofs - 1]))
2881 --ofs;
2882
2883 new_selection_text[ofs++] = C0_LF;
2884 }
2885 else
2886#endif
2887 if (!ROW(row).is_longer ()
2888 && (row != selection.end.row || end_col != selection.end.col)
2889 && (row != selection.beg.row || selection.beg.col < ncol))
2890 new_selection_text[ofs++] = C0_LF;
2891 }
2892
2893 new_selection_text[ofs] = 0;
2894
2895 if (ofs == 0)
2896 {
2745 free (new_selection_text); 2897 free (new_selection_text);
2746 return; 2898 return;
2747 } 2899 }
2748 2900
2749 // due to MB_MAX_CUR, selection wastage is usually high
2750 if (str - (char *)new_selection_text > 1024)
2751 new_selection_text = (unsigned char *)rxvt_realloc (new_selection_text, i + 1);
2752
2753 R->selection.len = i;
2754 if (R->selection.text)
2755 free (R->selection.text); 2901 free (selection.text);
2756 2902
2757 R->selection.text = new_selection_text; 2903 // we usually allocate much more than necessary, so realloc it smaller again
2904 selection.len = ofs;
2905 selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2758 2906
2759 XSetSelectionOwner(R->Xdisplay, XA_PRIMARY, R->TermWin.vt, tm); 2907 if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
2760 if (XGetSelectionOwner(R->Xdisplay, XA_PRIMARY) != R->TermWin.vt) 2908 return;
2761 rxvt_print_error("can't get primary selection"); 2909
2762 XChangeProperty(R->Xdisplay, Xroot, XA_CUT_BUFFER0, XA_STRING, 8, 2910 selection_grab (tm);
2763 PropModeReplace, R->selection.text, (int)R->selection.len); 2911}
2912
2913bool
2914rxvt_term::selection_grab (Time tm, bool clipboard) noexcept
2915{
2916 Atom sel;
2917
2918 if (!clipboard)
2919 {
2764 R->selection_time = tm; 2920 selection_time = tm;
2765 D_SELECT((stderr, "rxvt_selection_make(): R->selection.len=%d", R->selection.len)); 2921 sel = XA_PRIMARY;
2922 }
2923 else
2924 {
2925 clipboard_time = tm;
2926 sel = xa[XA_CLIPBOARD];
2927 }
2928
2929 XSetSelectionOwner (dpy, sel, vt, tm);
2930 if (XGetSelectionOwner (dpy, sel) == vt)
2931 {
2932 display->set_selection_owner (this, clipboard);
2933 return true;
2934 }
2935 else
2936 {
2937 selection_clear (clipboard);
2938 return false;
2939 }
2940
2941#if 0
2942 XTextProperty ct;
2943
2944 if (XwcTextListToTextProperty (dpy, &selection.text, 1, XStringStyle, &ct) >= 0)
2945 {
2946 set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2947 XFree (ct.value);
2948 }
2949#endif
2766} 2950}
2767 2951
2768/* ------------------------------------------------------------------------- */ 2952/* ------------------------------------------------------------------------- */
2769/* 2953/*
2770 * Mark or select text based upon number of clicks: 1, 2, or 3 2954 * Mark or select text based upon number of clicks: 1, 2, or 3
2771 * EXT: button 1 press 2955 * EXT: button 1 press
2772 */ 2956 */
2773/* EXTPROTO */ 2957void ecb_cold
2774void
2775rxvt_selection_click(pR_ int clicks, int x, int y) 2958rxvt_term::selection_click (int clicks, int x, int y) noexcept
2776{ 2959{
2777 D_SELECT((stderr, "rxvt_selection_click(%d, %d, %d)", clicks, x, y));
2778
2779 clicks = ((clicks - 1) % 3) + 1; 2960 clicks = ((clicks - 1) % 3) + 1;
2780 R->selection.clicks = clicks; /* save clicks so extend will work */ 2961 selection.clicks = clicks; /* save clicks so extend will work */
2781 2962
2963 if (clicks == 2 && !selection.rect
2964 && HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
2965 {
2966 MEvent.clicks = 1; // what a mess
2967 selection.screen = current_screen;
2968 selection.op = SELECTION_CONT;
2969 return;
2970 }
2971
2782 rxvt_selection_start_colrow(aR_ Pixel2Col(x), Pixel2Row(y)); 2972 selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2973
2783 if (clicks == 2 || clicks == 3) 2974 if (clicks == 2 || clicks == 3)
2784 rxvt_selection_extend_colrow(aR_ R->selection.mark.col, 2975 selection_extend_colrow (selection.mark.col,
2785 R->selection.mark.row 2976 selection.mark.row - view_start,
2786 + R->TermWin.view_start,
2787 0, /* button 3 */ 2977 0, /* button 3 */
2788 1, /* button press */ 2978 1, /* button press */
2789 0); /* click change */ 2979 0); /* click change */
2790} 2980}
2791 2981
2792/* ------------------------------------------------------------------------- */ 2982/* ------------------------------------------------------------------------- */
2793/* 2983/*
2794 * Mark a selection at the specified col/row 2984 * Mark a selection at the specified col/row
2795 */ 2985 */
2796/* INTPROTO */ 2986void ecb_cold
2797void
2798rxvt_selection_start_colrow(pR_ int col, int row) 2987rxvt_term::selection_start_colrow (int col, int row) noexcept
2799{ 2988{
2800 R->want_refresh = 1; 2989 want_refresh = 1;
2990
2991 selection.mark.row = row + view_start;
2801 R->selection.mark.col = col; 2992 selection.mark.col = col;
2802 R->selection.mark.row = row - R->TermWin.view_start; 2993
2803 MAX_IT(R->selection.mark.row, -(int32_t)R->TermWin.nscrolled); 2994 selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
2804 MIN_IT(R->selection.mark.row, (int32_t)R->TermWin.nrow - 1); 2995 selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
2996
2997 while (selection.mark.col > 0
2998 && ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
2805 MAX_IT(R->selection.mark.col, 0); 2999 --selection.mark.col;
2806 MIN_IT(R->selection.mark.col, (int32_t)R->TermWin.ncol - 1);
2807 3000
2808 if (R->selection.op) { /* clear the old selection */ 3001 if (selection.op)
3002 {
3003 /* clear the old selection */
2809 R->selection.beg.row = R->selection.end.row = R->selection.mark.row; 3004 selection.beg.row = selection.end.row = selection.mark.row;
2810 R->selection.beg.col = R->selection.end.col = R->selection.mark.col; 3005 selection.beg.col = selection.end.col = selection.mark.col;
2811 } 3006 }
3007
2812 R->selection.op = SELECTION_INIT; 3008 selection.op = SELECTION_INIT;
2813 R->selection.screen = R->current_screen; 3009 selection.screen = current_screen;
2814} 3010}
2815 3011
2816/* ------------------------------------------------------------------------- */ 3012/* ------------------------------------------------------------------------- */
2817/* 3013/*
2818 * Word select: select text for 2 clicks 3014 * Word select: select text for 2 clicks
2819 * We now only find out the boundary in one direction 3015 * We now only find out the boundary in one direction
2820 */ 3016 */
2821 3017
2822/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */ 3018/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
2823#define DELIMIT_TEXT(x) \ 3019#define DELIMIT_TEXT(x) \
2824 (((x) == ' ' || (x) == '\t') ? 2 : (STRCHR(R->rs[Rs_cutchars], (x)) != NULL)) 3020 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
2825#ifdef MULTICHAR_SET
2826# define DELIMIT_REND(x) (((x) & RS_multiMask) ? 1 : 0)
2827#else
2828# define DELIMIT_REND(x) 1 3021#define DELIMIT_REND(x) 1
2829#endif
2830 3022
2831/* INTPROTO */ 3023void ecb_cold
2832void
2833rxvt_selection_delimit_word(pR_ enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) 3024rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) noexcept
2834{ 3025{
2835 int col, row, dirnadd, tcol, trow, w1, w2; 3026 int col, row, dirnadd, tcol, trow, w1, w2;
2836 row_col_t bound; 3027 row_col_t bound;
2837 text_t *stp; 3028 text_t *stp;
2838 rend_t *srp; 3029 rend_t *srp;
2839 3030
2840 if (dirn == UP) { 3031 if (dirn == UP)
2841 bound.row = R->TermWin.saveLines - R->TermWin.nscrolled - 1; 3032 {
3033 bound.row = top_row - 1;
2842 bound.col = 0; 3034 bound.col = 0;
2843 dirnadd = -1; 3035 dirnadd = -1;
2844 } else { 3036 }
2845 bound.row = R->TermWin.saveLines + R->TermWin.nrow; 3037 else
3038 {
3039 bound.row = nrow;
2846 bound.col = R->TermWin.ncol - 1; 3040 bound.col = ncol - 1;
2847 dirnadd = 1; 3041 dirnadd = 1;
2848 } 3042 }
2849 row = mark->row + R->TermWin.saveLines; 3043
3044 row = mark->row;
2850 col = mark->col; 3045 col = max (mark->col, 0);
2851 MAX_IT(col, 0); 3046
2852/* find the edge of a word */ 3047 /* find the edge of a word */
2853 stp = &(R->screen.text[row][col]); 3048 stp = ROW(row).t + col; w1 = DELIMIT_TEXT (*stp);
2854 w1 = DELIMIT_TEXT(*stp); 3049 srp = ROW(row).r + col; w2 = DELIMIT_REND (*srp);
2855 3050
2856 if (R->selection_style != NEW_SELECT) { 3051 for (;;)
2857 if (w1 == 1) { 3052 {
3053 for (; col != bound.col; col += dirnadd)
3054 {
2858 stp += dirnadd; 3055 stp += dirnadd;
2859 if (DELIMIT_TEXT(*stp) == 1)
2860 goto Old_Word_Selection_You_Die;
2861 col += dirnadd;
2862 }
2863 w1 = 0;
2864 }
2865 srp = (&R->screen.rend[row][col]);
2866 w2 = DELIMIT_REND(*srp);
2867
2868 for (;;) {
2869 for (; col != bound.col; col += dirnadd) {
2870 stp += dirnadd; 3056 srp += dirnadd;
3057
3058 if (*stp == NOCHAR)
3059 continue;
3060
2871 if (DELIMIT_TEXT(*stp) != w1) 3061 if (DELIMIT_TEXT (*stp) != w1)
3062 break;
3063 if (DELIMIT_REND (*srp) != w2)
3064 break;
3065 }
3066
3067 if ((col == bound.col) && (row != bound.row))
3068 {
3069 if (ROW(row - (dirn == UP ? 1 : 0)).is_longer ())
3070 {
3071 trow = row + dirnadd;
3072 tcol = dirn == UP ? ncol - 1 : 0;
3073
3074 if (!ROW(trow).t)
2872 break; 3075 break;
2873 srp += dirnadd; 3076
2874 if (DELIMIT_REND(*srp) != w2) 3077 stp = ROW(trow).t + tcol;
3078 srp = ROW(trow).r + tcol;
3079
3080 if (DELIMIT_TEXT (*stp) != w1 || DELIMIT_REND (*srp) != w2)
2875 break; 3081 break;
2876 } 3082
2877 if ((col == bound.col) && (row != bound.row)) {
2878 if (R->screen.tlen[(row - (dirn == UP ? 1 : 0))] == -1) {
2879 trow = row + dirnadd;
2880 tcol = dirn == UP ? R->TermWin.ncol - 1 : 0;
2881 if (R->screen.text[trow] == NULL)
2882 break;
2883 stp = &(R->screen.text[trow][tcol]);
2884 srp = &(R->screen.rend[trow][tcol]);
2885 if (DELIMIT_TEXT(*stp) != w1 || DELIMIT_REND(*srp) != w2)
2886 break;
2887 row = trow; 3083 row = trow;
2888 col = tcol; 3084 col = tcol;
2889 continue; 3085 continue;
2890 } 3086 }
2891 } 3087 }
2892 break; 3088 break;
2893 } 3089 }
2894 Old_Word_Selection_You_Die:
2895 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));
2896 3090
2897 if (dirn == DN) 3091 if (dirn == DN)
2898 col++; /* put us on one past the end */ 3092 col++; /* put us on one past the end */
2899 3093
2900/* Poke the values back in */ 3094 /* Poke the values back in */
2901 ret->row = row - R->TermWin.saveLines; 3095 ret->row = row;
2902 ret->col = col; 3096 ret->col = col;
2903} 3097}
2904 3098
2905/* ------------------------------------------------------------------------- */ 3099/* ------------------------------------------------------------------------- */
2906/* 3100/*
2907 * Extend the selection to the specified x/y pixel location 3101 * Extend the selection to the specified x/y pixel location
2908 * EXT: button 3 press; button 1 or 3 drag 3102 * EXT: button 3 press; button 1 or 3 drag
2909 * flag == 0 ==> button 1 3103 * flag == 0 ==> button 1
2910 * flag == 1 ==> button 3 press 3104 * flag == 1 ==> button 3 press
2911 * flag == 2 ==> button 3 motion 3105 * flag == 2 ==> button 3 motion
2912 */ 3106 */
2913/* EXTPROTO */ 3107void ecb_cold
2914void
2915rxvt_selection_extend(pR_ int x, int y, int flag) 3108rxvt_term::selection_extend (int x, int y, int flag) noexcept
2916{ 3109{
2917 int col, row; 3110 int col = clamp (Pixel2Col (x), 0, ncol);
3111 int row = clamp (Pixel2Row (y), 0, nrow - 1);
2918 3112
2919 col = Pixel2Col(x); 3113 /*
2920 row = Pixel2Row(y);
2921 MAX_IT(row, 0);
2922 MIN_IT(row, (int)R->TermWin.nrow - 1);
2923 MAX_IT(col, 0);
2924 MIN_IT(col, (int)R->TermWin.ncol);
2925#ifndef NO_NEW_SELECTION
2926/*
2927 * If we're selecting characters (single click) then we must check first 3114 * If we're selecting characters (single click) then we must check first
2928 * if we are at the same place as the original mark. If we are then 3115 * if we are at the same place as the original mark. If we are then
2929 * select nothing. Otherwise, if we're to the right of the mark, you have to 3116 * select nothing. Otherwise, if we're to the right of the mark, you have to
2930 * be _past_ a character for it to be selected. 3117 * be _past_ a character for it to be selected.
2931 */ 3118 */
2932 if (R->selection_style != OLD_SELECT) {
2933 if (((R->selection.clicks % 3) == 1) && !flag 3119 if (((selection.clicks % 3) == 1) && !flag
2934 && (col == R->selection.mark.col 3120 && (col == selection.mark.col
2935 && (row == R->selection.mark.row + R->TermWin.view_start))) { 3121 && (row == selection.mark.row - view_start)))
3122 {
2936 /* select nothing */ 3123 /* select nothing */
2937 R->selection.beg.row = R->selection.end.row = 0; 3124 selection.beg.row = selection.end.row = 0;
2938 R->selection.beg.col = R->selection.end.col = 0; 3125 selection.beg.col = selection.end.col = 0;
2939 R->selection.clicks = 4; 3126 selection.clicks = 4;
2940 R->want_refresh = 1; 3127 want_refresh = 1;
2941 D_SELECT((stderr, "rxvt_selection_extend() R->selection.clicks = 4"));
2942 return; 3128 return;
2943 }
2944 } 3129 }
2945#endif 3130
2946 if (R->selection.clicks == 4) 3131 if (selection.clicks == 4)
2947 R->selection.clicks = 1; 3132 selection.clicks = 1;
3133
2948 rxvt_selection_extend_colrow(aR_ col, row, !!flag, /* ? button 3 */ 3134 selection_extend_colrow (col, row, !!flag, /* ? button 3 */
2949 flag == 1 ? 1 : 0, /* ? button press */ 3135 flag == 1 ? 1 : 0, /* ? button press */
2950 0); /* no click change */ 3136 0); /* no click change */
2951} 3137}
2952 3138
2953/* ------------------------------------------------------------------------- */ 3139/* ------------------------------------------------------------------------- */
2954/* 3140/*
2955 * Extend the selection to the specified col/row 3141 * Extend the selection to the specified col/row
2956 */ 3142 */
2957/* INTPROTO */ 3143void ecb_cold
2958void
2959rxvt_selection_extend_colrow(pR_ int32_t col, int32_t row, int button3, int buttonpress, int clickchange) 3144rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) noexcept
2960{ 3145{
2961 int16_t ncol = R->TermWin.ncol;
2962 int end_col;
2963 row_col_t pos; 3146 row_col_t pos;
2964 enum { 3147 enum {
2965 LEFT, RIGHT 3148 LEFT, RIGHT
2966 } closeto = RIGHT; 3149 } closeto = RIGHT;
2967 3150
2968 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));
2969 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));
2970
2971 R->want_refresh = 1;
2972 switch (R->selection.op) { 3151 switch (selection.op)
3152 {
2973 case SELECTION_INIT: 3153 case SELECTION_INIT:
2974 CLEAR_SELECTION(R); 3154 CLEAR_SELECTION ();
2975 R->selection.op = SELECTION_BEGIN; 3155 selection.op = SELECTION_BEGIN;
2976 /* FALLTHROUGH */ 3156 /* FALLTHROUGH */
2977 case SELECTION_BEGIN: 3157 case SELECTION_BEGIN:
2978 if (row != R->selection.mark.row || col != R->selection.mark.col 3158 if (row != selection.mark.row || col != selection.mark.col
2979 || (!button3 && buttonpress)) 3159 || (!button3 && buttonpress))
2980 R->selection.op = SELECTION_CONT; 3160 selection.op = SELECTION_CONT;
2981 break; 3161 break;
2982 case SELECTION_DONE: 3162 case SELECTION_DONE:
2983 R->selection.op = SELECTION_CONT; 3163 selection.op = SELECTION_CONT;
2984 /* FALLTHROUGH */ 3164 /* FALLTHROUGH */
2985 case SELECTION_CONT: 3165 case SELECTION_CONT:
2986 break; 3166 break;
2987 case SELECTION_CLEAR: 3167 case SELECTION_CLEAR:
2988 rxvt_selection_start_colrow(aR_ col, row); 3168 selection_start_colrow (col, row);
2989 /* FALLTHROUGH */ 3169 /* FALLTHROUGH */
2990 default: 3170 default:
2991 return; 3171 return;
2992 } 3172 }
3173
2993 if (R->selection.beg.col == R->selection.end.col 3174 if (selection.beg.col == selection.end.col
2994 && R->selection.beg.col != R->selection.mark.col 3175 && selection.beg.col != selection.mark.col
2995 && R->selection.beg.row == R->selection.end.row 3176 && selection.beg.row == selection.end.row
2996 && R->selection.beg.row != R->selection.mark.row) { 3177 && selection.beg.row != selection.mark.row)
3178 {
2997 R->selection.beg.col = R->selection.end.col = R->selection.mark.col; 3179 selection.beg.col = selection.end.col = selection.mark.col;
2998 R->selection.beg.row = R->selection.end.row = R->selection.mark.row; 3180 selection.beg.row = selection.end.row = selection.mark.row;
2999 D_SELECT((stderr, "rxvt_selection_extend_colrow() ENT2 b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", R->selection.beg.row, R->selection.beg.col, R->selection.mark.row, R->selection.mark.col, R->selection.end.row, R->selection.end.col));
3000 } 3181 }
3001 3182
3002 pos.col = col; 3183 pos.col = col;
3003 pos.row = row; 3184 pos.row = view_start + row;
3004 3185
3005 pos.row -= R->TermWin.view_start; /* adjust for scroll */ 3186 /*
3006 3187 * This is mainly xterm style selection with a couple of differences, mainly
3007#ifndef NO_OLD_SELECTION 3188 * in the way button3 drag extension works.
3008/* 3189 * We're either doing: button1 drag; button3 press; or button3 drag
3009 * This mimics some of the selection behaviour of version 2.20 and before. 3190 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3010 * There are no ``selection modes'', button3 is always character extension. 3191 * is always at the left/right edge of the selection.
3011 * Note: button3 drag is always available, c.f. v2.20 3192 * b) button3 press: extend/contract character/word/line at whichever edge of
3012 * Selection always terminates (left or right as appropriate) at the mark. 3193 * the selection we are closest to.
3194 * c) button3 drag : extend/contract character/word/line - we select around
3195 * a point/word/line which is either the start or end of the selection
3196 * and it was decided by whichever point/word/line was `fixed' at the
3197 * time of the most recent button3 press
3013 */ 3198 */
3014 if (R->selection_style == OLD_SELECT) { 3199 if (button3 && buttonpress)
3015 if (R->selection.clicks == 1 || button3) { 3200 {
3016 if (R->hate_those_clicks) { 3201 /* button3 press */
3017 R->hate_those_clicks = 0; 3202 /*
3018 if (R->selection.clicks == 1) { 3203 * first determine which edge of the selection we are closest to
3019 R->selection.beg.row = R->selection.mark.row; 3204 */
3020 R->selection.beg.col = R->selection.mark.col; 3205 if (ROWCOL_IS_BEFORE (pos, selection.beg)
3021 } else { 3206 || (!ROWCOL_IS_AFTER (pos, selection.end)
3207 && (((pos.col - selection.beg.col)
3208 + ((pos.row - selection.beg.row) * ncol))
3209 < ((selection.end.col - pos.col)
3210 + ((selection.end.row - pos.row) * ncol)))))
3211 closeto = LEFT;
3212
3213 if (closeto == LEFT)
3214 {
3215 selection.beg.row = pos.row;
3216 selection.beg.col = pos.col;
3217 selection.mark.row = selection.end.row;
3218 selection.mark.col = selection.end.col - (selection.clicks == 2);
3219 }
3220 else
3221 {
3222 selection.end.row = pos.row;
3223 selection.end.col = pos.col;
3022 R->selection.mark.row = R->selection.beg.row; 3224 selection.mark.row = selection.beg.row;
3023 R->selection.mark.col = R->selection.beg.col; 3225 selection.mark.col = selection.beg.col;
3226 }
3227 }
3228 else
3229 {
3230 /* button1 drag or button3 drag */
3231 if (ROWCOL_IS_AFTER (selection.mark, pos))
3232 {
3233 if (selection.mark.row == selection.end.row
3234 && selection.mark.col == selection.end.col
3235 && clickchange
3236 && selection.clicks == 2)
3237 selection.mark.col--;
3238
3239 selection.beg.row = pos.row;
3240 selection.beg.col = pos.col;
3241 selection.end.row = selection.mark.row;
3242 selection.end.col = selection.mark.col + (selection.clicks == 2);
3243 }
3244 else
3245 {
3246 selection.beg.row = selection.mark.row;
3247 selection.beg.col = selection.mark.col;
3248 selection.end.row = pos.row;
3249 selection.end.col = pos.col;
3250 }
3251 }
3252
3253 if (selection.clicks == 1)
3254 {
3255 if (selection.beg.col > ROW(selection.beg.row).l //TODO//FIXME//LEN
3256 && !ROW(selection.beg.row).is_longer ()
3257#if !ENABLE_MINIMAL
3258 && !selection.rect
3259#endif
3260 )
3261 selection.beg.col = ncol;
3262
3263 if (
3264 selection.end.col > ROW(selection.end.row).l //TODO//FIXME//LEN
3265 && !ROW(selection.end.row).is_longer ()
3266#if !ENABLE_MINIMAL
3267 && !selection.rect
3268#endif
3269 )
3270 selection.end.col = ncol;
3271 }
3272 else if (selection.clicks == 2)
3273 {
3274 if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3275 selection.end.col--;
3276
3277 selection_delimit_word (UP, &selection.beg, &selection.beg);
3278 selection_delimit_word (DN, &selection.end, &selection.end);
3279 }
3280 else if (selection.clicks == 3)
3281 {
3282#if ENABLE_FRILLS
3283 if (option (Opt_tripleclickwords))
3284 {
3285 selection_delimit_word (UP, &selection.beg, &selection.beg);
3286
3287 for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3288 {
3289 if (!ROW(end_row).is_longer ())
3290 {
3291 selection.end.row = end_row;
3292 selection.end.col = ROW(end_row).l;
3293# if !ENABLE_MINIMAL
3294 selection_remove_trailing_spaces ();
3295# endif
3296 break;
3024 } 3297 }
3025 } 3298 }
3026 if (ROWCOL_IS_BEFORE(pos, R->selection.mark)) {
3027 R->selection.end.row = R->selection.mark.row;
3028 R->selection.end.col = R->selection.mark.col + 1;
3029 R->selection.beg.row = pos.row;
3030 R->selection.beg.col = pos.col;
3031 } else {
3032 R->selection.beg.row = R->selection.mark.row;
3033 R->selection.beg.col = R->selection.mark.col;
3034 R->selection.end.row = pos.row;
3035 R->selection.end.col = pos.col + 1;
3036 } 3299 }
3037 } else if (R->selection.clicks == 2) { 3300 else
3038 rxvt_selection_delimit_word(aR_ UP, &(R->selection.mark), 3301#endif
3039 &(R->selection.beg)); 3302 {
3040 rxvt_selection_delimit_word(aR_ DN, &(R->selection.mark), 3303 if (ROWCOL_IS_AFTER (selection.mark, selection.beg))
3041 &(R->selection.end)); 3304 selection.mark.col++;
3042 R->hate_those_clicks = 1; 3305
3043 } else if (R->selection.clicks == 3) {
3044 R->selection.beg.row = R->selection.end.row = R->selection.mark.row;
3045 R->selection.beg.col = 0; 3306 selection.beg.col = 0;
3046 R->selection.end.col = ncol; 3307 selection.end.col = ncol;
3047 R->hate_those_clicks = 1; 3308
3048 } 3309 // select a complete logical line
3049 D_SELECT((stderr, "rxvt_selection_extend_colrow() EXIT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", R->selection.beg.row, R->selection.beg.col, R->selection.mark.row, R->selection.mark.col, R->selection.end.row, R->selection.end.col)); 3310 while (selection.beg.row > -saveLines
3050 return; 3311 && ROW(selection.beg.row - 1).is_longer ())
3051 } 3312 selection.beg.row--;
3052#endif /* ! NO_OLD_SELECTION */ 3313
3053#ifndef NO_NEW_SELECTION 3314 while (selection.end.row < nrow
3054/* selection_style must not be OLD_SELECT to get here */ 3315 && ROW(selection.end.row).is_longer ())
3055/* 3316 selection.end.row++;
3056 * This is mainly xterm style selection with a couple of differences, mainly
3057 * in the way button3 drag extension works.
3058 * We're either doing: button1 drag; button3 press; or button3 drag
3059 * a) button1 drag : select around a midpoint/word/line - that point/word/line
3060 * is always at the left/right edge of the R->selection.
3061 * b) button3 press: extend/contract character/word/line at whichever edge of
3062 * the selection we are closest to.
3063 * c) button3 drag : extend/contract character/word/line - we select around
3064 * a point/word/line which is either the start or end of the selection
3065 * and it was decided by whichever point/word/line was `fixed' at the
3066 * time of the most recent button3 press
3067 */
3068 if (button3 && buttonpress) { /* button3 press */
3069 /* 3317 }
3070 * first determine which edge of the selection we are closest to 3318 }
3071 */ 3319
3072 if (ROWCOL_IS_BEFORE(pos, R->selection.beg) 3320 if (button3 && buttonpress)
3073 || (!ROWCOL_IS_AFTER(pos, R->selection.end) 3321 {
3074 && (((pos.col - R->selection.beg.col) 3322 /* mark may need to be changed */
3075 + ((pos.row - R->selection.beg.row) * ncol))
3076 < ((R->selection.end.col - pos.col)
3077 + ((R->selection.end.row - pos.row) * ncol)))))
3078 closeto = LEFT;
3079 if (closeto == LEFT) { 3323 if (closeto == LEFT)
3080 R->selection.beg.row = pos.row; 3324 {
3081 R->selection.beg.col = pos.col;
3082 R->selection.mark.row = R->selection.end.row; 3325 selection.mark.row = selection.end.row;
3083 R->selection.mark.col = R->selection.end.col 3326 selection.mark.col = selection.end.col - (selection.clicks == 2);
3084 - (R->selection.clicks == 2); 3327 }
3085 } else { 3328 else
3086 R->selection.end.row = pos.row; 3329 {
3087 R->selection.end.col = pos.col;
3088 R->selection.mark.row = R->selection.beg.row; 3330 selection.mark.row = selection.beg.row;
3089 R->selection.mark.col = R->selection.beg.col; 3331 selection.mark.col = selection.beg.col;
3090 }
3091 } else { /* button1 drag or button3 drag */
3092 if (ROWCOL_IS_AFTER(R->selection.mark, pos)) {
3093 if ((R->selection.mark.row == R->selection.end.row)
3094 && (R->selection.mark.col == R->selection.end.col)
3095 && clickchange && R->selection.clicks == 2)
3096 R->selection.mark.col--;
3097 R->selection.beg.row = pos.row;
3098 R->selection.beg.col = pos.col;
3099 R->selection.end.row = R->selection.mark.row;
3100 R->selection.end.col = R->selection.mark.col
3101 + (R->selection.clicks == 2);
3102 } else {
3103 R->selection.beg.row = R->selection.mark.row;
3104 R->selection.beg.col = R->selection.mark.col;
3105 R->selection.end.row = pos.row;
3106 R->selection.end.col = pos.col;
3107 }
3108 }
3109
3110 if (R->selection.clicks == 1) {
3111 end_col = R->screen.tlen[R->selection.beg.row + R->TermWin.saveLines];
3112 if (end_col != -1 && R->selection.beg.col > end_col) {
3113#if 1
3114 R->selection.beg.col = ncol;
3115#else
3116 if (R->selection.beg.row != R->selection.end.row)
3117 R->selection.beg.col = ncol;
3118 else
3119 R->selection.beg.col = R->selection.mark.col;
3120#endif
3121 }
3122 end_col = R->screen.tlen[R->selection.end.row + R->TermWin.saveLines];
3123 if (end_col != -1 && R->selection.end.col > end_col)
3124 R->selection.end.col = ncol;
3125
3126 } else if (R->selection.clicks == 2) {
3127 if (ROWCOL_IS_AFTER(R->selection.end, R->selection.beg))
3128 R->selection.end.col--;
3129 rxvt_selection_delimit_word(aR_ UP, &(R->selection.beg),
3130 &(R->selection.beg));
3131 rxvt_selection_delimit_word(aR_ DN, &(R->selection.end),
3132 &(R->selection.end));
3133 } else if (R->selection.clicks == 3) {
3134#ifndef NO_FRILLS
3135 if ((R->Options & Opt_tripleclickwords)) {
3136 int end_row;
3137
3138 rxvt_selection_delimit_word(aR_ UP, &(R->selection.beg),
3139 &(R->selection.beg));
3140 end_row = R->screen.tlen[R->selection.mark.row
3141 + R->TermWin.saveLines];
3142 for (end_row = R->selection.mark.row; end_row < R->TermWin.nrow;
3143 end_row++) {
3144 end_col = R->screen.tlen[end_row + R->TermWin.saveLines];
3145 if (end_col != -1) {
3146 R->selection.end.row = end_row;
3147 R->selection.end.col = end_col;
3148 rxvt_selection_remove_trailing_spaces(aR);
3149 break;
3150 }
3151 }
3152 } else
3153#endif
3154 { 3332 }
3155 if (ROWCOL_IS_AFTER(R->selection.mark, R->selection.beg))
3156 R->selection.mark.col++;
3157 R->selection.beg.col = 0;
3158 R->selection.end.col = ncol;
3159 }
3160 } 3333 }
3161 if (button3 && buttonpress) { /* mark may need to be changed */
3162 if (closeto == LEFT) {
3163 R->selection.mark.row = R->selection.end.row;
3164 R->selection.mark.col = R->selection.end.col
3165 - (R->selection.clicks == 2);
3166 } else {
3167 R->selection.mark.row = R->selection.beg.row;
3168 R->selection.mark.col = R->selection.beg.col;
3169 }
3170 }
3171 D_SELECT((stderr, "rxvt_selection_extend_colrow() EXIT b:(r:%d,c:%d) m:(r:%d,c:%d), e:(r:%d,c:%d)", R->selection.beg.row, R->selection.beg.col, R->selection.mark.row, R->selection.mark.col, R->selection.end.row, R->selection.end.col));
3172#endif /* ! NO_NEW_SELECTION */
3173}
3174 3334
3175#ifndef NO_FRILLS 3335#if !ENABLE_MINIMAL
3176/* INTPROTO */ 3336 if (selection.rect && selection.beg.col > selection.end.col)
3177void 3337 ::swap (selection.beg.col, selection.end.col);
3338#endif
3339
3340 selection_changed ();
3341}
3342
3343#if !ENABLE_MINIMAL
3344void ecb_cold
3178rxvt_selection_remove_trailing_spaces(pR) 3345rxvt_term::selection_remove_trailing_spaces () noexcept
3179{ 3346{
3180 int32_t end_col, end_row; 3347 int32_t end_col, end_row;
3181 text_t *stp; 3348 text_t *stp;
3182 3349
3183 end_col = R->selection.end.col; 3350 end_col = selection.end.col;
3184 end_row = R->selection.end.row; 3351 end_row = selection.end.row;
3352
3185 for ( ; end_row >= R->selection.beg.row; ) { 3353 for (; end_row >= selection.beg.row; )
3186 stp = R->screen.text[end_row + R->TermWin.saveLines]; 3354 {
3355 stp = ROW(end_row).t;
3356
3187 while (--end_col >= 0) { 3357 while (--end_col >= 0)
3188 if (stp[end_col] != ' ' && stp[end_col] != '\t')
3189 break;
3190 } 3358 {
3191 if (end_col >= 0 3359 if (stp[end_col] != NOCHAR
3192 || R->screen.tlen[end_row - 1 + R->TermWin.saveLines] != -1) { 3360 && !unicode::is_space (stp[end_col]))
3193 R->selection.end.col = end_col + 1;
3194 R->selection.end.row = end_row;
3195 break; 3361 break;
3196 } 3362 }
3363
3364 if (end_col >= 0
3365 || !ROW(end_row - 1).is_longer ())
3366 {
3367 selection.end.col = end_col + 1;
3368 selection.end.row = end_row;
3369 break;
3370 }
3371
3197 end_row--; 3372 end_row--;
3198 end_col = R->TermWin.ncol; 3373 end_col = ncol;
3199 } 3374 }
3375
3200 if (R->selection.mark.row > R->selection.end.row) { 3376 if (selection.mark.row > selection.end.row)
3377 {
3201 R->selection.mark.row = R->selection.end.row; 3378 selection.mark.row = selection.end.row;
3202 R->selection.mark.col = R->selection.end.col; 3379 selection.mark.col = selection.end.col;
3380 }
3203 } else if (R->selection.mark.row == R->selection.end.row 3381 else if (selection.mark.row == selection.end.row
3204 && R->selection.mark.col > R->selection.end.col) 3382 && selection.mark.col > selection.end.col)
3205 R->selection.mark.col = R->selection.end.col; 3383 selection.mark.col = selection.end.col;
3206} 3384}
3207#endif 3385#endif
3208 3386
3209/* ------------------------------------------------------------------------- */ 3387/* ------------------------------------------------------------------------- */
3210/* 3388/*
3211 * Double click on button 3 when already selected 3389 * Double click on button 3 when already selected
3212 * EXT: button 3 double click 3390 * EXT: button 3 double click
3213 */ 3391 */
3214/* EXTPROTO */ 3392void ecb_cold
3215void
3216rxvt_selection_rotate(pR_ int x, int y) 3393rxvt_term::selection_rotate (int x, int y) noexcept
3217{ 3394{
3218 R->selection.clicks = R->selection.clicks % 3 + 1; 3395 selection.clicks = selection.clicks % 3 + 1;
3219 rxvt_selection_extend_colrow(aR_ Pixel2Col(x), Pixel2Row(y), 1, 0, 1); 3396 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3220} 3397}
3221
3222/* ------------------------------------------------------------------------- */
3223/*
3224 * On some systems, the Atom typedef is 64 bits wide. We need to have a type
3225 * that is exactly 32 bits wide, because a format of 64 is not allowed by
3226 * the X11 protocol.
3227 */
3228typedef CARD32 Atom32;
3229 3398
3230/* ------------------------------------------------------------------------- */ 3399/* ------------------------------------------------------------------------- */
3231/* 3400/*
3232 * Respond to a request for our current selection 3401 * Respond to a request for our current selection
3233 * EXT: SelectionRequest 3402 * EXT: SelectionRequest
3234 */ 3403 */
3235/* EXTPROTO */ 3404void ecb_cold
3236void
3237rxvt_selection_send(pR_ const XSelectionRequestEvent *rq) 3405rxvt_term::selection_send (const XSelectionRequestEvent &rq) noexcept
3238{ 3406{
3407 Atom property = rq.property == None ? rq.target : rq.property;
3239 XSelectionEvent ev; 3408 XSelectionEvent ev;
3240#ifdef USE_XIM 3409
3410 ev.type = SelectionNotify;
3411 ev.property = None;
3412 ev.display = rq.display;
3413 ev.requestor = rq.requestor;
3414 ev.selection = rq.selection;
3415 ev.target = rq.target;
3416 ev.time = rq.time;
3417
3418 if (rq.target == xa[XA_TARGETS])
3419 {
3241 Atom32 target_list[4]; 3420 Atom target_list[6];
3421 Atom *target = target_list;
3422
3423 *target++ = xa[XA_TARGETS];
3424 *target++ = xa[XA_TIMESTAMP];
3425 *target++ = XA_STRING;
3426 *target++ = xa[XA_TEXT];
3427 *target++ = xa[XA_COMPOUND_TEXT];
3428#if X_HAVE_UTF8_STRING
3429 *target++ = xa[XA_UTF8_STRING];
3430#endif
3431
3432 XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3433 32, PropModeReplace,
3434 (unsigned char *)target_list, target - target_list);
3435 ev.property = property;
3436 }
3437#if TODO // TODO
3438 else if (rq.target == xa[XA_MULTIPLE])
3439 {
3440 /* TODO: Handle MULTIPLE */
3441 }
3442#endif
3443 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3444 {
3445 XChangeProperty (dpy, rq.requestor, property, rq.target,
3446 32, PropModeReplace, (unsigned char *)&selection_time, 1);
3447 ev.property = property;
3448 }
3449 else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3450 {
3451 XChangeProperty (dpy, rq.requestor, property, rq.target,
3452 32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3453 ev.property = property;
3454 }
3455 else if (rq.target == XA_STRING
3456 || rq.target == xa[XA_TEXT]
3457 || rq.target == xa[XA_COMPOUND_TEXT]
3458 || rq.target == xa[XA_UTF8_STRING]
3459 )
3460 {
3461 XTextProperty ct;
3462 Atom target = rq.target;
3463 short freect = 0;
3464 int selectlen;
3465 wchar_t *cl;
3466 enum {
3467 enc_string = XStringStyle,
3468 enc_text = XStdICCTextStyle,
3469 enc_compound_text = XCompoundTextStyle,
3470#ifdef X_HAVE_UTF8_STRING
3471 enc_utf8 = XUTF8StringStyle,
3242#else 3472#else
3243 Atom32 target_list[3]; 3473 enc_utf8 = -1,
3244#endif 3474#endif
3245 Atom target; 3475 } style;
3246 XTextProperty ct;
3247 XICCEncodingStyle style;
3248 char *cl[2], dummy[1];
3249 3476
3250 ev.type = SelectionNotify;
3251 ev.property = None;
3252 ev.display = rq->display;
3253 ev.requestor = rq->requestor;
3254 ev.selection = rq->selection;
3255 ev.target = rq->target;
3256 ev.time = rq->time;
3257
3258 if (rq->target == R->xa[XA_TARGETS]) {
3259 target_list[0] = (Atom32) R->xa[XA_TARGETS];
3260 target_list[1] = (Atom32) XA_STRING;
3261 target_list[2] = (Atom32) R->xa[XA_TEXT];
3262#ifdef USE_XIM
3263 target_list[3] = (Atom32) R->xa[XA_COMPOUND_TEXT];
3264#endif
3265 XChangeProperty(R->Xdisplay, rq->requestor, rq->property, XA_ATOM,
3266 (8 * sizeof(target_list[0])), PropModeReplace,
3267 (unsigned char *)target_list,
3268 (sizeof(target_list) / sizeof(target_list[0])));
3269 ev.property = rq->property;
3270 } else if (rq->target == R->xa[XA_MULTIPLE]) {
3271 /* TODO: Handle MULTIPLE */
3272 } else if (rq->target == R->xa[XA_TIMESTAMP] && R->selection.text) {
3273 XChangeProperty(R->Xdisplay, rq->requestor, rq->property, XA_INTEGER,
3274 (8 * sizeof(Time)), PropModeReplace,
3275 (unsigned char *)&R->selection_time, 1);
3276 ev.property = rq->property;
3277 } else if (rq->target == XA_STRING
3278 || rq->target == R->xa[XA_COMPOUND_TEXT]
3279 || rq->target == R->xa[XA_TEXT]) {
3280#ifdef USE_XIM
3281 short freect = 0;
3282#endif
3283 int selectlen;
3284
3285#ifdef USE_XIM
3286 if (rq->target != XA_STRING) { 3477 if (target == XA_STRING)
3478 // we actually don't do XA_STRING, but who cares, as i18n clients
3479 // will ask for another format anyways.
3480 style = enc_string;
3481 else if (target == xa[XA_TEXT])
3482 style = enc_text;
3483 else if (target == xa[XA_COMPOUND_TEXT])
3484 style = enc_compound_text;
3485#if !ENABLE_MINIMAL
3486 else if (target == xa[XA_UTF8_STRING])
3487 style = enc_utf8;
3488#endif
3489 else
3490 {
3287 target = R->xa[XA_COMPOUND_TEXT]; 3491 target = xa[XA_COMPOUND_TEXT];
3288 style = (rq->target == R->xa[XA_COMPOUND_TEXT]) 3492 style = enc_compound_text;
3289 ? XCompoundTextStyle : XStdICCTextStyle;
3290 } else
3291#endif
3292 { 3493 }
3293 target = XA_STRING; 3494
3294 style = XStringStyle; 3495 if (rq.selection == XA_PRIMARY && selection.text)
3295 } 3496 {
3296 if (R->selection.text) {
3297 cl[0] = (char *)R->selection.text; 3497 cl = selection.text;
3298 selectlen = R->selection.len; 3498 selectlen = selection.len;
3499 }
3500 else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3501 {
3502 cl = selection.clip_text;
3503 selectlen = selection.clip_len;
3504 }
3299 } else { 3505 else
3300 cl[0] = dummy; 3506 {
3301 *dummy = '\0'; 3507 cl = (wchar_t *)L"";
3302 selectlen = 0; 3508 selectlen = 0;
3509 }
3510
3511#if !ENABLE_MINIMAL
3512 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3513 // so recode it manually
3514 if (style == enc_utf8)
3303 } 3515 {
3304#ifdef USE_XIM
3305 if (XmbTextListToTextProperty(R->Xdisplay, cl, 1, style, &ct)
3306 == Success) /* if we failed to convert then send it raw */
3307 freect = 1; 3516 freect = 1;
3517 ct.encoding = target;
3518 ct.format = 8;
3519 ct.value = (unsigned char *)rxvt_wcstoutf8 (cl, selectlen);
3520 ct.nitems = strlen ((char *)ct.value);
3521 }
3308 else 3522 else
3309#endif 3523#endif
3524 if (XwcTextListToTextProperty (dpy, &cl, 1, (XICCEncodingStyle) style, &ct) >= 0)
3525 freect = 1;
3526 else
3310 { 3527 {
3528 /* if we failed to convert then send it raw */
3311 ct.value = (unsigned char *)cl[0]; 3529 ct.value = (unsigned char *)cl;
3312 ct.nitems = selectlen; 3530 ct.nitems = selectlen;
3531 ct.encoding = target;
3313 } 3532 }
3533
3314 XChangeProperty(R->Xdisplay, rq->requestor, rq->property, 3534 XChangeProperty (dpy, rq.requestor, property,
3315 target, 8, PropModeReplace, 3535 ct.encoding, 8, PropModeReplace,
3316 ct.value, (int)ct.nitems); 3536 ct.value, (int)ct.nitems);
3317 ev.property = rq->property; 3537 ev.property = property;
3318#ifdef USE_XIM 3538
3319 if (freect) 3539 if (freect)
3320 XFree(ct.value); 3540 XFree (ct.value);
3321#endif
3322 } 3541 }
3542
3323 XSendEvent(R->Xdisplay, rq->requestor, False, 0L, (XEvent *)&ev); 3543 XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3324} 3544}
3325 3545
3326/* ------------------------------------------------------------------------- * 3546/* ------------------------------------------------------------------------- */
3327 * MOUSE ROUTINES *
3328 * ------------------------------------------------------------------------- */
3329
3330/*
3331 * return col/row values corresponding to x/y pixel values
3332 */
3333/* EXTPROTO */
3334void
3335rxvt_pixel_position(pR_ int *x, int *y)
3336{
3337 *x = Pixel2Col(*x);
3338/* MAX_IT(*x, 0); MIN_IT(*x, (int)R->TermWin.ncol - 1); */
3339 *y = Pixel2Row(*y);
3340/* MAX_IT(*y, 0); MIN_IT(*y, (int)R->TermWin.nrow - 1); */
3341}
3342/* ------------------------------------------------------------------------- */
3343#ifdef USE_XIM 3547#if USE_XIM
3344/* EXTPROTO */ 3548void ecb_cold
3345void 3549rxvt_term::im_set_position (XPoint &pos) noexcept
3346rxvt_setPosition(pR_ XPoint *pos)
3347{ 3550{
3348 XWindowAttributes xwa; 3551 XWindowAttributes xwa;
3349 3552
3350 XGetWindowAttributes(R->Xdisplay, R->TermWin.vt, &xwa); 3553 XGetWindowAttributes (dpy, vt, &xwa);
3351 pos->x = Col2Pixel(R->screen.cur.col) + xwa.x; 3554
3352 pos->y = Height2Pixel((R->screen.cur.row + 1)) + xwa.y 3555 pos.x = xwa.x + Col2Pixel (screen.cur.col);
3353 - R->TermWin.lineSpace; 3556 pos.y = xwa.y + Height2Pixel (screen.cur.row) + fbase;
3354} 3557}
3355#endif 3558#endif
3356/* ------------------------------------------------------------------------- */ 3559
3357 3560#if ENABLE_OVERLAY
3561void
3562rxvt_term::scr_overlay_new (int x, int y, int w, int h) noexcept
3563{
3564 if (nrow < 1 || ncol < 1)
3565 return;
3566
3567 want_refresh = 1;
3568
3569 scr_overlay_off ();
3570
3571 if (x < 0) x = ncol - w;
3572 if (y < 0) y = nrow - h;
3573
3574 // make space for border
3575 w += 2; min_it (w, ncol);
3576 h += 2; min_it (h, nrow);
3577
3578 x -= 1; clamp_it (x, 0, ncol - w);
3579 y -= 1; clamp_it (y, 0, nrow - h);
3580
3581 ov.x = x; ov.y = y;
3582 ov.w = w; ov.h = h;
3583
3584 ov.text = new text_t *[h];
3585 ov.rend = new rend_t *[h];
3586
3587 for (y = 0; y < h; y++)
3588 {
3589 text_t *tp = ov.text[y] = new text_t[w];
3590 rend_t *rp = ov.rend[y] = new rend_t[w];
3591
3592 text_t t0, t1, t2;
3593 rend_t r = OVERLAY_RSTYLE;
3594
3595 if (y == 0)
3596 t0 = 0x2554, t1 = 0x2550, t2 = 0x2557;
3597 else if (y < h - 1)
3598 t0 = 0x2551, t1 = 0x0020, t2 = 0x2551;
3599 else
3600 t0 = 0x255a, t1 = 0x2550, t2 = 0x255d;
3601
3602 *tp++ = t0;
3603 *rp++ = r;
3604
3605 for (x = w - 2; x > 0; --x)
3606 {
3607 *tp++ = t1;
3608 *rp++ = r;
3609 }
3610
3611 *tp = t2;
3612 *rp = r;
3613 }
3614}
3615
3616void
3617rxvt_term::scr_overlay_off () noexcept
3618{
3619 if (!ov.text)
3620 return;
3621
3622 want_refresh = 1;
3623
3624 for (int y = 0; y < ov.h; y++)
3625 {
3626 delete [] ov.text[y];
3627 delete [] ov.rend[y];
3628 }
3629
3630 delete [] ov.text; ov.text = 0;
3631 delete [] ov.rend; ov.rend = 0;
3632}
3633
3634void
3635rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) noexcept
3636{
3637 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3638 return;
3639
3640 x++, y++;
3641
3642 ov.text[y][x] = text;
3643 ov.rend[y][x] = rend;
3644}
3645
3646void
3647rxvt_term::scr_overlay_set (int x, int y, const char *s) noexcept
3648{
3649 while (*s)
3650 scr_overlay_set (x++, y, *s++);
3651}
3652
3653void
3654rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) noexcept
3655{
3656 while (*s)
3657 {
3658 text_t t = *s++;
3659 int width = WCWIDTH (t);
3660
3661 while (width--)
3662 {
3663 scr_overlay_set (x++, y, t);
3664 t = NOCHAR;
3665 }
3666 }
3667}
3668
3669void
3670rxvt_term::scr_swap_overlay () noexcept
3671{
3672 if (!ov.text)
3673 return;
3674
3675 // hide cursor if it is within the overlay area
3676 if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
3677 && IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
3678 screen.flags &= ~Screen_VisibleCursor;
3679
3680 // swap screen mem with overlay
3681 for (int y = ov.h; y--; )
3682 {
3683 text_t *t1 = ov.text[y];
3684 rend_t *r1 = ov.rend[y];
3685
3686 text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3687 rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3688
3689 for (int x = ov.w; x--; )
3690 {
3691 text_t t = *t1; *t1++ = *t2; *t2++ = t;
3692 rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3693 }
3694 }
3695}
3696
3697#endif
3358/* ------------------------------------------------------------------------- * 3698/* ------------------------------------------------------------------------- */
3359 * DEBUG ROUTINES *
3360 * ------------------------------------------------------------------------- */
3361#if 0
3362/* INTPROTO */
3363void
3364rxvt_debug_colors(void)
3365{
3366 int color;
3367 const char *name[] = {
3368 "fg", "bg",
3369 "black", "red", "green", "yellow", "blue", "magenta", "cyan", "white"
3370 };
3371 3699
3372 fprintf(stderr, "Color ( ");
3373 if (R->rstyle & RS_RVid)
3374 fprintf(stderr, "rvid ");
3375 if (R->rstyle & RS_Bold)
3376 fprintf(stderr, "bold ");
3377 if (R->rstyle & RS_Blink)
3378 fprintf(stderr, "blink ");
3379 if (R->rstyle & RS_Uline)
3380 fprintf(stderr, "uline ");
3381 fprintf(stderr, "): ");
3382
3383 color = GET_FGCOLOR(R->rstyle);
3384#ifndef NO_BRIGHTCOLOR
3385 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3386 color -= (minBrightCOLOR - minCOLOR);
3387 fprintf(stderr, "bright ");
3388 }
3389#endif
3390 fprintf(stderr, "%s on ", name[color]);
3391
3392 color = GET_BGCOLOR(R->rstyle);
3393#ifndef NO_BRIGHTCOLOR
3394 if (color >= minBrightCOLOR && color <= maxBrightCOLOR) {
3395 color -= (minBrightCOLOR - minCOLOR);
3396 fprintf(stderr, "bright ");
3397 }
3398#endif
3399 fprintf(stderr, "%s\n", name[color]);
3400}
3401#endif

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