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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.454 by sf-exg, Sun Jan 18 13:08:46 2015 UTC vs.
Revision 1.468 by root, Mon Aug 8 09:47:56 2022 UTC

2 * File: screen.C 2 * File: screen.C
3 *---------------------------------------------------------------------------* 3 *---------------------------------------------------------------------------*
4 * 4 *
5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com> 5 * Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com>
6 * Copyright (c) 2003-2007 Marc Lehmann <schmorp@schmorp.de> 6 * 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 3 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.
94 * SCREEN `COMMON' ROUTINES * 95 * SCREEN `COMMON' ROUTINES *
95 * ------------------------------------------------------------------------- */ 96 * ------------------------------------------------------------------------- */
96 97
97/* Fill part/all of a line with blanks. */ 98/* Fill part/all of a line with blanks. */
98void 99void
99rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW 100rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const noexcept
100{ 101{
101 if (!l.valid ()) 102 if (!l.valid ())
102 { 103 {
103 l.alloc (); 104 l.alloc ();
104 col = 0; 105 col = 0;
106 } 107 }
107 108
108 l.touch (); 109 l.touch ();
109 110
110 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles 111 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
111 efs = SET_FONT (efs, FONTSET (efs)->find_font (' ')); 112 efs = SET_FONT (efs, FONTSET (efs)->find_space_font ());
112 113
113 text_t *et = l.t + col; 114 text_t *et = l.t + col;
114 rend_t *er = l.r + col; 115 rend_t *er = l.r + col;
115 116
116 while (width--) 117 while (width--)
121} 122}
122 123
123/* ------------------------------------------------------------------------- */ 124/* ------------------------------------------------------------------------- */
124/* 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 */
125void 126void
126rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW 127rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const noexcept
127{ 128{
128 scr_blank_line (l, 0, ncol, efs); 129 scr_blank_line (l, 0, ncol, efs);
129 130
130 l.l = 0; 131 l.l = 0;
131 l.f = 0; 132 l.f = 0;
132} 133}
133 134
134// nuke a single wide character at the given column 135// nuke a single wide character at the given column
135void 136void
136rxvt_term::scr_kill_char (line_t &l, int col) const NOTHROW 137rxvt_term::scr_kill_char (line_t &l, int col) const noexcept
137{ 138{
138 // find begin 139 // find begin
139 while (col > 0 && l.t[col] == NOCHAR) 140 while (col > 0 && l.t[col] == NOCHAR)
140 col--; 141 col--;
141 142
142 rend_t rend = l.r[col] & ~RS_baseattrMask; 143 rend_t rend = l.r[col] & ~RS_baseattrMask;
143 rend = SET_FONT (rend, FONTSET (rend)->find_font (' ')); 144 rend = SET_FONT (rend, FONTSET (rend)->find_space_font ());
144 145
145 l.touch (); 146 l.touch ();
146 147
147 // found start, nuke 148 // found start, nuke
148 do { 149 do {
165/* ------------------------------------------------------------------------- * 166/* ------------------------------------------------------------------------- *
166 * SCREEN INITIALISATION * 167 * SCREEN INITIALISATION *
167 * ------------------------------------------------------------------------- */ 168 * ------------------------------------------------------------------------- */
168 169
169void 170void
170rxvt_term::scr_alloc () NOTHROW 171rxvt_term::scr_alloc () noexcept
171{ 172{
172 int tsize = sizeof (text_t) * ncol; 173 int tsize = sizeof (text_t) * ncol;
173 int rsize = sizeof (rend_t) * ncol; 174 int rsize = sizeof (rend_t) * ncol;
174 175
175 // we assume that rend_t size is a sufficient alignment 176 // we assume that rend_t size is a sufficient alignment
290 * add or delete rows as appropriate 291 * add or delete rows as appropriate
291 */ 292 */
292 293
293 int common_col = min (prev_ncol, ncol); 294 int common_col = min (prev_ncol, ncol);
294 295
296 // resize swap_buf, blank drawn_buf
295 for (int row = min (nrow, prev_nrow); row--; ) 297 for (int row = min (nrow, prev_nrow); row--; )
296 { 298 {
297 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE); 299 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
298 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col); 300 memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
299 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col); 301 memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
303 305
304 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row 306 int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
305 int pend = MOD (term_start + top_row , prev_total_rows); 307 int pend = MOD (term_start + top_row , prev_total_rows);
306 int q = total_rows; // rewrapped row 308 int q = total_rows; // rewrapped row
307 309
308 if (top_row) 310#if ENABLE_FRILLS
311 if ((rewrap_always || top_row) && !rewrap_never)
309 { 312 {
310 // Re-wrap lines. This is rather ugly, possibly because I am too dumb 313 // Re-wrap lines. This is rather ugly, possibly because I am too dumb
311 // to come up with a lean and mean algorithm. 314 // to come up with a lean and mean algorithm.
312 // TODO: maybe optimise when width didn't change 315 // TODO: maybe optimise when width didn't change
313 316
393 // make sure all terminal lines exist 396 // make sure all terminal lines exist
394 while (top_row > 0) 397 while (top_row > 0)
395 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE); 398 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
396 } 399 }
397 else 400 else
401#endif
402 {
403 // wing, instead of wrap
398 { 404 do
399 // if no scrollback exists (yet), wing, instead of wrap
400
401 for (int row = min (nrow, prev_nrow); row--; )
402 { 405 {
403 line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)]; 406 p = MOD (p - 1, prev_total_rows);
404 line_t &dst = row_buf [row]; 407 q--;
405 408
406 copy_line (dst, src); 409 copy_line (row_buf [q], prev_row_buf [p]);
407 } 410 }
411 while (p != pend);
408 412
409 for (int row = prev_nrow; row < nrow; row++) 413 screen.cur.row += nrow - prev_nrow;
410 scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE); 414 term_start = total_rows - nrow;
411
412 term_start = 0;
413 } 415 }
414 416
415 clamp_it (screen.cur.row, 0, nrow - 1); 417 clamp_it (screen.cur.row, 0, nrow - 1);
416 clamp_it (screen.cur.col, 0, ncol - 1); 418 clamp_it (screen.cur.col, 0, ncol - 1);
417 } 419 }
418 420
421 // ensure drawn_buf, swap_buf and terminal rows are all initialized
419 for (int row = nrow; row--; ) 422 for (int row = nrow; row--; )
420 { 423 {
421 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE); 424 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
422 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE); 425 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
423 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE); 426 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
440 443
441 HOOK_INVOKE ((this, HOOK_RESET, DT_END)); 444 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
442} 445}
443 446
444void ecb_cold 447void ecb_cold
445rxvt_term::scr_release () NOTHROW 448rxvt_term::scr_release () noexcept
446{ 449{
447 chunk_free (chunk, chunk_size); 450 chunk_free (chunk, chunk_size);
448 chunk = 0; 451 chunk = 0;
449 row_buf = 0; 452 row_buf = 0;
450 453
469 scr_clear (true); 472 scr_clear (true);
470 scr_refresh (); 473 scr_refresh ();
471} 474}
472 475
473void ecb_cold 476void ecb_cold
474rxvt_term::scr_soft_reset () NOTHROW 477rxvt_term::scr_soft_reset () noexcept
475{ 478{
476 /* only affects modes, nothing drastic such as clearing the screen */ 479 /* only affects modes, nothing drastic such as clearing the screen */
477#if ENABLE_OVERLAY 480#if ENABLE_OVERLAY
478 scr_overlay_off (); 481 scr_overlay_off ();
479#endif 482#endif
493 * Save and Restore cursor 496 * Save and Restore cursor
494 * XTERM_SEQ: Save cursor : ESC 7 497 * XTERM_SEQ: Save cursor : ESC 7
495 * XTERM_SEQ: Restore cursor: ESC 8 498 * XTERM_SEQ: Restore cursor: ESC 8
496 */ 499 */
497void 500void
498rxvt_term::scr_cursor (cursor_mode mode) NOTHROW 501rxvt_term::scr_cursor (cursor_mode mode) noexcept
499{ 502{
500 screen_t *s; 503 screen_t *s;
501 504
502#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 505#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
503 if (current_screen == SECONDARY) 506 if (current_screen == SECONDARY)
534 assert (s->cur.row >= 0); 537 assert (s->cur.row >= 0);
535 assert (s->cur.col >= 0); 538 assert (s->cur.col >= 0);
536} 539}
537 540
538void 541void
539rxvt_term::scr_swap_screen () NOTHROW 542rxvt_term::scr_swap_screen () noexcept
540{ 543{
541 if (!option (Opt_secondaryScreen)) 544 if (!option (Opt_secondaryScreen))
542 return; 545 return;
543 546
544 for (int i = prev_nrow; i--; ) 547 for (int i = prev_nrow; i--; )
592 scr_scroll_text (0, prev_nrow - 1, prev_nrow); 595 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
593} 596}
594 597
595// clear WrapNext indicator, solidifying position on next line 598// clear WrapNext indicator, solidifying position on next line
596void 599void
597rxvt_term::scr_do_wrap () NOTHROW 600rxvt_term::scr_do_wrap () noexcept
598{ 601{
599 if (!(screen.flags & Screen_WrapNext)) 602 if (!(screen.flags & Screen_WrapNext))
600 return; 603 return;
601 604
602 screen.flags &= ~Screen_WrapNext; 605 screen.flags &= ~Screen_WrapNext;
612/* ------------------------------------------------------------------------- */ 615/* ------------------------------------------------------------------------- */
613/* 616/*
614 * Change the colour for following text 617 * Change the colour for following text
615 */ 618 */
616void 619void
617rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW 620rxvt_term::scr_color (unsigned int color, int fgbg) noexcept
618{ 621{
619 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR)) 622 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR24))
620 color = fgbg; 623 color = fgbg;
621 624
622 if (fgbg == Color_fg) 625 if (fgbg == Color_fg)
623 rstyle = SET_FGCOLOR (rstyle, color); 626 rstyle = SET_FGCOLOR (rstyle, color);
624 else 627 else
628/* ------------------------------------------------------------------------- */ 631/* ------------------------------------------------------------------------- */
629/* 632/*
630 * Change the rendition style for following text 633 * Change the rendition style for following text
631 */ 634 */
632void 635void
633rxvt_term::scr_rendition (int set, int style) NOTHROW 636rxvt_term::scr_rendition (int set, int style) noexcept
634{ 637{
635 if (set) 638 if (set)
636 rstyle |= style; 639 rstyle |= style;
637 else if (style == ~RS_None) 640 else if (style == ~RS_None)
638 rstyle = DEFAULT_RSTYLE; 641 rstyle = DEFAULT_RSTYLE;
645 * Scroll text between <row1> and <row2> inclusive, by <count> lines 648 * Scroll text between <row1> and <row2> inclusive, by <count> lines
646 * count positive ==> scroll up 649 * count positive ==> scroll up
647 * count negative ==> scroll down 650 * count negative ==> scroll down
648 */ 651 */
649int ecb_hot 652int ecb_hot
650rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW 653rxvt_term::scr_scroll_text (int row1, int row2, int count) noexcept
651{ 654{
652 if (count == 0 || (row1 > row2)) 655 if (count == 0 || (row1 > row2))
653 return 0; 656 return 0;
654 657
655 want_refresh = 1; 658 want_refresh = 1;
789/* ------------------------------------------------------------------------- */ 792/* ------------------------------------------------------------------------- */
790/* 793/*
791 * Add text given in <str> of length <len> to screen struct 794 * Add text given in <str> of length <len> to screen struct
792 */ 795 */
793void ecb_hot 796void ecb_hot
794rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW 797rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) noexcept
795{ 798{
796 if (len <= 0) /* sanity */ 799 if (len <= 0) /* sanity */
797 return; 800 return;
798 801
799 bool checksel; 802 bool checksel;
1011 } 1014 }
1012 else if (screen.cur.row > 0 1015 else if (screen.cur.row > 0
1013 && ROW(screen.cur.row - 1).is_longer ()) 1016 && ROW(screen.cur.row - 1).is_longer ())
1014 { 1017 {
1015 linep = &ROW(screen.cur.row - 1); 1018 linep = &ROW(screen.cur.row - 1);
1016 tp = line->t + ncol - 1; 1019 tp = linep->t + ncol - 1;
1017 rp = line->r + ncol - 1; 1020 rp = linep->r + ncol - 1;
1018 } 1021 }
1019 else 1022 else
1020 continue; 1023 continue;
1021 1024
1022 linep->touch (); 1025 linep->touch ();
1045/* 1048/*
1046 * Process Backspace. Move back the cursor back a position, wrap if have to 1049 * Process Backspace. Move back the cursor back a position, wrap if have to
1047 * XTERM_SEQ: CTRL-H 1050 * XTERM_SEQ: CTRL-H
1048 */ 1051 */
1049void 1052void
1050rxvt_term::scr_backspace () NOTHROW 1053rxvt_term::scr_backspace () noexcept
1051{ 1054{
1052 if (screen.cur.col == 0) 1055 if (screen.cur.col == 0)
1053 { 1056 {
1054 if (screen.cur.row > 0) 1057 if (screen.cur.row > 0)
1055 { 1058 {
1072 * Process Horizontal Tab 1075 * Process Horizontal Tab
1073 * count: +ve = forward; -ve = backwards 1076 * count: +ve = forward; -ve = backwards
1074 * XTERM_SEQ: CTRL-I 1077 * XTERM_SEQ: CTRL-I
1075 */ 1078 */
1076void 1079void
1077rxvt_term::scr_tab (int count, bool ht) NOTHROW 1080rxvt_term::scr_tab (int count, bool ht) noexcept
1078{ 1081{
1079 int i, x; 1082 int i, x;
1080 1083
1081 want_refresh = 1; 1084 want_refresh = 1;
1082 i = x = screen.cur.col; 1085 i = x = screen.cur.col;
1149 * Move cursor left in row. If we're at the left boundary, shift everything 1152 * Move cursor left in row. If we're at the left boundary, shift everything
1150 * in that row right. Clear left column. 1153 * in that row right. Clear left column.
1151 */ 1154 */
1152#if !ENABLE_MINIMAL 1155#if !ENABLE_MINIMAL
1153void ecb_cold 1156void ecb_cold
1154rxvt_term::scr_backindex () NOTHROW 1157rxvt_term::scr_backindex () noexcept
1155{ 1158{
1156 if (screen.cur.col > 0) 1159 if (screen.cur.col > 0)
1157 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1160 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1158 else 1161 else
1159 scr_insdel_chars (1, INSERT); 1162 scr_insdel_chars (1, INSERT);
1166 * Move cursor right in row. If we're at the right boundary, shift everything 1169 * Move cursor right in row. If we're at the right boundary, shift everything
1167 * in that row left. Clear right column. 1170 * in that row left. Clear right column.
1168 */ 1171 */
1169#if !ENABLE_MINIMAL 1172#if !ENABLE_MINIMAL
1170void ecb_cold 1173void ecb_cold
1171rxvt_term::scr_forwardindex () NOTHROW 1174rxvt_term::scr_forwardindex () noexcept
1172{ 1175{
1173 if (screen.cur.col < ncol - 1) 1176 if (screen.cur.col < ncol - 1)
1174 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1177 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1175 else 1178 else
1176 { 1179 {
1189/* ------------------------------------------------------------------------- */ 1192/* ------------------------------------------------------------------------- */
1190/* 1193/*
1191 * Goto Row/Column 1194 * Goto Row/Column
1192 */ 1195 */
1193void 1196void
1194rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW 1197rxvt_term::scr_gotorc (int row, int col, int relative) noexcept
1195{ 1198{
1196 want_refresh = 1; 1199 want_refresh = 1;
1197 ZERO_SCROLLBACK (); 1200 ZERO_SCROLLBACK ();
1198 1201
1199 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col; 1202 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
1238/* ------------------------------------------------------------------------- */ 1241/* ------------------------------------------------------------------------- */
1239/* 1242/*
1240 * direction should be UP or DN 1243 * direction should be UP or DN
1241 */ 1244 */
1242void 1245void
1243rxvt_term::scr_index (enum page_dirn direction) NOTHROW 1246rxvt_term::scr_index (enum page_dirn direction) noexcept
1244{ 1247{
1245 want_refresh = 1; 1248 want_refresh = 1;
1246 ZERO_SCROLLBACK (); 1249 ZERO_SCROLLBACK ();
1247 1250
1248 screen.flags &= ~Screen_WrapNext; 1251 screen.flags &= ~Screen_WrapNext;
1264 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1267 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1265 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1268 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1266 * extension: clear to right unless wrapped: ESC [ 3 K 1269 * extension: clear to right unless wrapped: ESC [ 3 K
1267 */ 1270 */
1268void 1271void
1269rxvt_term::scr_erase_line (int mode) NOTHROW 1272rxvt_term::scr_erase_line (int mode) noexcept
1270{ 1273{
1271 unsigned int col, num; 1274 unsigned int col, num;
1272 1275
1273 want_refresh = 1; 1276 want_refresh = 1;
1274 ZERO_SCROLLBACK (); 1277 ZERO_SCROLLBACK ();
1328 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1331 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1329 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1332 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1330 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1333 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1331 */ 1334 */
1332void 1335void
1333rxvt_term::scr_erase_screen (int mode) NOTHROW 1336rxvt_term::scr_erase_screen (int mode) noexcept
1334{ 1337{
1335 int num; 1338 int num;
1336 int32_t row; 1339 int32_t row;
1337 rend_t ren; 1340 rend_t ren;
1338 XGCValues gcvalue; 1341 XGCValues gcvalue;
1408 } 1411 }
1409} 1412}
1410 1413
1411#if !ENABLE_MINIMAL 1414#if !ENABLE_MINIMAL
1412void 1415void
1413rxvt_term::scr_erase_savelines () NOTHROW 1416rxvt_term::scr_erase_savelines () noexcept
1414{ 1417{
1415 want_refresh = 1; 1418 want_refresh = 1;
1416 ZERO_SCROLLBACK (); 1419 ZERO_SCROLLBACK ();
1417 1420
1418 top_row = 0; 1421 top_row = 0;
1423/* 1426/*
1424 * Fill the screen with `E's 1427 * Fill the screen with `E's
1425 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1428 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1426 */ 1429 */
1427void ecb_cold 1430void ecb_cold
1428rxvt_term::scr_E () NOTHROW 1431rxvt_term::scr_E () noexcept
1429{ 1432{
1430 rend_t fs; 1433 rend_t fs;
1431 1434
1432 want_refresh = 1; 1435 want_refresh = 1;
1433 ZERO_SCROLLBACK (); 1436 ZERO_SCROLLBACK ();
1458/* ------------------------------------------------------------------------- */ 1461/* ------------------------------------------------------------------------- */
1459/* 1462/*
1460 * Insert/Delete <count> lines 1463 * Insert/Delete <count> lines
1461 */ 1464 */
1462void 1465void
1463rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW 1466rxvt_term::scr_insdel_lines (int count, int insdel) noexcept
1464{ 1467{
1465 int end; 1468 int end;
1466 1469
1467 ZERO_SCROLLBACK (); 1470 ZERO_SCROLLBACK ();
1468 1471
1488/* ------------------------------------------------------------------------- */ 1491/* ------------------------------------------------------------------------- */
1489/* 1492/*
1490 * Insert/Delete <count> characters from the current position 1493 * Insert/Delete <count> characters from the current position
1491 */ 1494 */
1492void 1495void
1493rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW 1496rxvt_term::scr_insdel_chars (int count, int insdel) noexcept
1494{ 1497{
1495 want_refresh = 1; 1498 want_refresh = 1;
1496 ZERO_SCROLLBACK (); 1499 ZERO_SCROLLBACK ();
1497 1500
1498 if (count <= 0) 1501 if (count <= 0)
1597/* 1600/*
1598 * Set the scrolling region 1601 * Set the scrolling region
1599 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1602 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1600 */ 1603 */
1601void ecb_cold 1604void ecb_cold
1602rxvt_term::scr_scroll_region (int top, int bot) NOTHROW 1605rxvt_term::scr_scroll_region (int top, int bot) noexcept
1603{ 1606{
1604 max_it (top, 0); 1607 max_it (top, 0);
1605 min_it (bot, nrow - 1); 1608 min_it (bot, nrow - 1);
1606 1609
1607 if (top > bot) 1610 if (top > bot)
1617 * Make the cursor visible/invisible 1620 * Make the cursor visible/invisible
1618 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1621 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1619 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1622 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1620 */ 1623 */
1621void ecb_cold 1624void ecb_cold
1622rxvt_term::scr_cursor_visible (int mode) NOTHROW 1625rxvt_term::scr_cursor_visible (int mode) noexcept
1623{ 1626{
1624 want_refresh = 1; 1627 want_refresh = 1;
1625 1628
1626 if (mode) 1629 if (mode)
1627 screen.flags |= Screen_VisibleCursor; 1630 screen.flags |= Screen_VisibleCursor;
1634 * Set/unset automatic wrapping 1637 * Set/unset automatic wrapping
1635 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1638 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1636 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1639 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1637 */ 1640 */
1638void ecb_cold 1641void ecb_cold
1639rxvt_term::scr_autowrap (int mode) NOTHROW 1642rxvt_term::scr_autowrap (int mode) noexcept
1640{ 1643{
1641 if (mode) 1644 if (mode)
1642 screen.flags |= Screen_Autowrap; 1645 screen.flags |= Screen_Autowrap;
1643 else 1646 else
1644 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1647 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
1653 * and the cursor cannot be moved outside. 1656 * and the cursor cannot be moved outside.
1654 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1657 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1655 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1658 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1656 */ 1659 */
1657void ecb_cold 1660void ecb_cold
1658rxvt_term::scr_relative_origin (int mode) NOTHROW 1661rxvt_term::scr_relative_origin (int mode) noexcept
1659{ 1662{
1660 if (mode) 1663 if (mode)
1661 screen.flags |= Screen_Relative; 1664 screen.flags |= Screen_Relative;
1662 else 1665 else
1663 screen.flags &= ~Screen_Relative; 1666 screen.flags &= ~Screen_Relative;
1670 * Set insert/replace mode 1673 * Set insert/replace mode
1671 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1674 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1672 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1675 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1673 */ 1676 */
1674void ecb_cold 1677void ecb_cold
1675rxvt_term::scr_insert_mode (int mode) NOTHROW 1678rxvt_term::scr_insert_mode (int mode) noexcept
1676{ 1679{
1677 if (mode) 1680 if (mode)
1678 screen.flags |= Screen_Insert; 1681 screen.flags |= Screen_Insert;
1679 else 1682 else
1680 screen.flags &= ~Screen_Insert; 1683 screen.flags &= ~Screen_Insert;
1686 * XTERM_SEQ: Set tab at current column : ESC H 1689 * XTERM_SEQ: Set tab at current column : ESC H
1687 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1690 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1688 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1691 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1689 */ 1692 */
1690void ecb_cold 1693void ecb_cold
1691rxvt_term::scr_set_tab (int mode) NOTHROW 1694rxvt_term::scr_set_tab (int mode) noexcept
1692{ 1695{
1693 if (mode < 0) 1696 if (mode < 0)
1694 memset (tabs, 0, ncol); 1697 memset (tabs, 0, ncol);
1695 else if (screen.cur.col < ncol) 1698 else if (screen.cur.col < ncol)
1696 tabs [screen.cur.col] = !!mode; 1699 tabs [screen.cur.col] = !!mode;
1701 * Set reverse/normal video 1704 * Set reverse/normal video
1702 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1705 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1703 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1706 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1704 */ 1707 */
1705void 1708void
1706rxvt_term::scr_rvideo_mode (bool on) NOTHROW 1709rxvt_term::scr_rvideo_mode (bool on) noexcept
1707{ 1710{
1708 rvideo_mode = on; 1711 rvideo_mode = on;
1709 1712
1710#ifndef NO_BELL 1713#ifndef NO_BELL
1711 on ^= rvideo_bell; 1714 on ^= rvideo_bell;
1713 1716
1714 if (rvideo_state != on) 1717 if (rvideo_state != on)
1715 { 1718 {
1716 rvideo_state = on; 1719 rvideo_state = on;
1717 1720
1721#if OFF_FOCUS_FADING
1722 if (rs[Rs_fade])
1723 {
1724 ::swap (pix_colors_focused[Color_fg], pix_colors_focused[Color_bg]);
1725 ::swap (pix_colors_unfocused[Color_fg], pix_colors_unfocused[Color_bg]);
1726 }
1727 else
1728#endif
1718 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]); 1729 ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1719#ifdef HAVE_IMG 1730#ifdef HAVE_IMG
1720 if (bg_img == 0) 1731 if (bg_img == 0)
1721#endif 1732#endif
1722 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]); 1733 XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1735/* 1746/*
1736 * Report current cursor position 1747 * Report current cursor position
1737 * XTERM_SEQ: Report position: ESC [ 6 n 1748 * XTERM_SEQ: Report position: ESC [ 6 n
1738 */ 1749 */
1739void ecb_cold 1750void ecb_cold
1740rxvt_term::scr_report_position () NOTHROW 1751rxvt_term::scr_report_position () noexcept
1741{ 1752{
1742 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1753 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1743} 1754}
1744 1755
1745/* ------------------------------------------------------------------------- * 1756/* ------------------------------------------------------------------------- *
1748 1759
1749/* 1760/*
1750 * Set font style 1761 * Set font style
1751 */ 1762 */
1752void ecb_cold 1763void ecb_cold
1753rxvt_term::set_font_style () NOTHROW 1764rxvt_term::set_font_style () noexcept
1754{ 1765{
1755#if 0 1766#if 0
1756 switch (charsets [screen.charset]) 1767 switch (charsets [screen.charset])
1757 { 1768 {
1758 case '0': /* DEC Special Character & Line Drawing Set */ 1769 case '0': /* DEC Special Character & Line Drawing Set */
1780 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1791 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1781 * XTERM_SEQ: Invoke G2 character set: ESC N 1792 * XTERM_SEQ: Invoke G2 character set: ESC N
1782 * XTERM_SEQ: Invoke G3 character set: ESC O 1793 * XTERM_SEQ: Invoke G3 character set: ESC O
1783 */ 1794 */
1784void ecb_cold 1795void ecb_cold
1785rxvt_term::scr_charset_choose (int set) NOTHROW 1796rxvt_term::scr_charset_choose (int set) noexcept
1786{ 1797{
1787 screen.charset = set; 1798 screen.charset = set;
1788 set_font_style (); 1799 set_font_style ();
1789} 1800}
1790 1801
1796 * XTERM_SEQ: Set G2 character set: ESC * <C> 1807 * XTERM_SEQ: Set G2 character set: ESC * <C>
1797 * XTERM_SEQ: Set G3 character set: ESC + <C> 1808 * XTERM_SEQ: Set G3 character set: ESC + <C>
1798 * See set_font_style for possible values for <C> 1809 * See set_font_style for possible values for <C>
1799 */ 1810 */
1800void 1811void
1801rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW 1812rxvt_term::scr_charset_set (int set, unsigned int ch) noexcept
1802{ 1813{
1803 charsets[set] = (unsigned char)ch; 1814 charsets[set] = (unsigned char)ch;
1804 set_font_style (); 1815 set_font_style ();
1805} 1816}
1806 1817
1811 1822
1812/* 1823/*
1813 * refresh matching text. 1824 * refresh matching text.
1814 */ 1825 */
1815bool ecb_cold 1826bool ecb_cold
1816rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW 1827rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) noexcept
1817{ 1828{
1818 bool found = false; 1829 bool found = false;
1819 1830
1820 for (int i = 0; i < nrow; i++) 1831 for (int i = 0; i < nrow; i++)
1821 { 1832 {
1840 PART_END, 1851 PART_END,
1841 RC_COUNT 1852 RC_COUNT
1842}; 1853};
1843 1854
1844void ecb_hot 1855void ecb_hot
1845rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW 1856rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) noexcept
1846{ 1857{
1847 int i; 1858 int i;
1848 row_col_t rc[RC_COUNT]; 1859 row_col_t rc[RC_COUNT];
1849 1860
1850 if (!drawn_buf) /* sanity check */ 1861 if (!drawn_buf) /* sanity check */
1884/* ------------------------------------------------------------------------- */ 1895/* ------------------------------------------------------------------------- */
1885/* 1896/*
1886 * Refresh the entire screen 1897 * Refresh the entire screen
1887 */ 1898 */
1888void 1899void
1889rxvt_term::scr_touch (bool refresh) NOTHROW 1900rxvt_term::scr_touch (bool refresh) noexcept
1890{ 1901{
1891 scr_expose (0, 0, vt_width, vt_height, refresh); 1902 scr_expose (0, 0, vt_width, vt_height, refresh);
1892} 1903}
1893 1904
1894/* ------------------------------------------------------------------------- */ 1905/* ------------------------------------------------------------------------- */
1895/* 1906/*
1896 * Move the display so that the line represented by scrollbar value Y is at 1907 * Move the display so that the line represented by scrollbar value Y is at
1897 * the top of the screen 1908 * the top of the screen
1898 */ 1909 */
1899void 1910void
1900rxvt_term::scr_move_to (int y, int len) NOTHROW 1911rxvt_term::scr_move_to (int y, int len) noexcept
1901{ 1912{
1902 // lerp (y, 0, len, top_row, nrow - 1) 1913 // lerp (y, 0, len, top_row, nrow - 1)
1903 scr_changeview (top_row + (nrow - 1 - top_row) * y / len); 1914 scr_changeview (top_row + (nrow - 1 - top_row) * y / len);
1904} 1915}
1905 1916
1907/* 1918/*
1908 * Page the screen up/down nlines 1919 * Page the screen up/down nlines
1909 * direction should be UP or DN 1920 * direction should be UP or DN
1910 */ 1921 */
1911bool 1922bool
1912rxvt_term::scr_page (int nlines) NOTHROW 1923rxvt_term::scr_page (int nlines) noexcept
1913{ 1924{
1914 return scr_changeview (view_start - nlines); 1925 return scr_changeview (view_start - nlines);
1915} 1926}
1916 1927
1917bool 1928bool
1918rxvt_term::scr_changeview (int new_view_start) NOTHROW 1929rxvt_term::scr_changeview (int new_view_start) noexcept
1919{ 1930{
1920 clamp_it (new_view_start, top_row, 0); 1931 clamp_it (new_view_start, top_row, 0);
1921 1932
1922 if (new_view_start == view_start) 1933 if (new_view_start == view_start)
1923 return false; 1934 return false;
1941} 1952}
1942#endif 1953#endif
1943 1954
1944/* ------------------------------------------------------------------------- */ 1955/* ------------------------------------------------------------------------- */
1945void 1956void
1946rxvt_term::scr_bell () NOTHROW 1957rxvt_term::scr_bell () noexcept
1947{ 1958{
1948#ifndef NO_BELL 1959#ifndef NO_BELL
1949 1960
1950# ifndef NO_MAPALERT 1961# ifndef NO_MAPALERT
1951# ifdef MAPALERT_OPTION 1962# ifdef MAPALERT_OPTION
1973#endif 1984#endif
1974} 1985}
1975 1986
1976/* ------------------------------------------------------------------------- */ 1987/* ------------------------------------------------------------------------- */
1977void ecb_cold 1988void ecb_cold
1978rxvt_term::scr_printscreen (int fullhist) NOTHROW 1989rxvt_term::scr_printscreen (int fullhist) noexcept
1979{ 1990{
1980#ifdef PRINTPIPE 1991#ifdef PRINTPIPE
1981 int nrows, row_start; 1992 int nrows, row_start;
1982 FILE *fd = popen_printer (); 1993 FILE *fd = popen_printer ();
1983 1994
2032 * Refresh the screen 2043 * Refresh the screen
2033 * drawn_text/drawn_rend contain the screen information before the update. 2044 * drawn_text/drawn_rend contain the screen information before the update.
2034 * screen.text/screen.rend contain what the screen will change to. 2045 * screen.text/screen.rend contain what the screen will change to.
2035 */ 2046 */
2036void ecb_hot 2047void ecb_hot
2037rxvt_term::scr_refresh () NOTHROW 2048rxvt_term::scr_refresh () noexcept
2038{ 2049{
2039 int16_t col, row, /* column/row we're processing */ 2050 int16_t col, row, /* column/row we're processing */
2040 ocrow; /* old cursor row */ 2051 ocrow; /* old cursor row */
2041 int i; /* tmp */ 2052 int i; /* tmp */
2042 rend_t ccol1, /* Cursor colour */ 2053 rend_t ccol1, /* Cursor colour */
2489 num_scr = 0; 2500 num_scr = 0;
2490 num_scr_allow = 1; 2501 num_scr_allow = 1;
2491} 2502}
2492 2503
2493void ecb_cold 2504void ecb_cold
2494rxvt_term::scr_remap_chars (line_t &l) NOTHROW 2505rxvt_term::scr_remap_chars (line_t &l) noexcept
2495{ 2506{
2496 if (!l.valid ()) 2507 if (!l.valid ())
2497 return; 2508 return;
2498 2509
2499 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant 2510 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2501 for (int i = ncol; i--; ) 2512 for (int i = ncol; i--; )
2502 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i])); 2513 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2503} 2514}
2504 2515
2505void ecb_cold 2516void ecb_cold
2506rxvt_term::scr_remap_chars () NOTHROW 2517rxvt_term::scr_remap_chars () noexcept
2507{ 2518{
2508 for (int i = total_rows; i--; ) 2519 for (int i = total_rows; i--; )
2509 scr_remap_chars (row_buf [i]); 2520 scr_remap_chars (row_buf [i]);
2510 2521
2511 for (int i = nrow; i--; ) 2522 for (int i = nrow; i--; )
2514 scr_remap_chars (swap_buf [i]); 2525 scr_remap_chars (swap_buf [i]);
2515 } 2526 }
2516} 2527}
2517 2528
2518void ecb_cold 2529void ecb_cold
2519rxvt_term::scr_recolor (bool refresh) NOTHROW 2530rxvt_term::scr_recolor (bool refresh) noexcept
2520{ 2531{
2521 bool transparent = false; 2532 bool transparent = false;
2522 2533
2523#ifdef HAVE_IMG 2534#ifdef HAVE_IMG
2524 if (bg_img != 0) 2535 if (bg_img != 0)
2565 want_refresh = 1; 2576 want_refresh = 1;
2566} 2577}
2567 2578
2568/* ------------------------------------------------------------------------- */ 2579/* ------------------------------------------------------------------------- */
2569void 2580void
2570rxvt_term::scr_clear (bool really) NOTHROW 2581rxvt_term::scr_clear (bool really) noexcept
2571{ 2582{
2572 if (!mapped) 2583 if (!mapped)
2573 return; 2584 return;
2574 2585
2575 num_scr_allow = 0; 2586 num_scr_allow = 0;
2578 if (really) 2589 if (really)
2579 XClearWindow (dpy, vt); 2590 XClearWindow (dpy, vt);
2580} 2591}
2581 2592
2582void 2593void
2583rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW 2594rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) noexcept
2584{ 2595{
2585 int view_end = view_start + nrow; 2596 int view_end = view_start + nrow;
2586 int row, col; 2597 int row, col;
2587 2598
2588 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++) 2599 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
2600 srp[col] ^= rstyle2; 2611 srp[col] ^= rstyle2;
2601 } 2612 }
2602} 2613}
2603 2614
2604void 2615void
2605rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW 2616rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) noexcept
2606{ 2617{
2607 int view_end = view_start + nrow; 2618 int view_end = view_start + nrow;
2608 int row, col; 2619 int row, col;
2609 2620
2610 if (beg_row >= view_start) 2621 if (beg_row >= view_start)
2627 srp[col] ^= rstyle; 2638 srp[col] ^= rstyle;
2628} 2639}
2629 2640
2630/* ------------------------------------------------------------------------- */ 2641/* ------------------------------------------------------------------------- */
2631void ecb_hot 2642void ecb_hot
2632rxvt_term::scr_reverse_selection () NOTHROW 2643rxvt_term::scr_reverse_selection () noexcept
2633{ 2644{
2634 if (selection.op 2645 if (selection.op
2635 && current_screen == selection.screen 2646 && current_screen == selection.screen
2636 && selection.end.row >= view_start) 2647 && selection.end.row >= view_start)
2637 { 2648 {
2653 * Dump the whole scrollback and screen to the passed filedescriptor. The 2664 * Dump the whole scrollback and screen to the passed filedescriptor. The
2654 * invoking routine must close the fd. 2665 * invoking routine must close the fd.
2655 */ 2666 */
2656#if 0 2667#if 0
2657void 2668void
2658rxvt_term::scr_dump (int fd) NOTHROW 2669rxvt_term::scr_dump (int fd) noexcept
2659{ 2670{
2660 // if this method is needed, it can be implemented by factoring the 2671 // if this method is needed, it can be implemented by factoring the
2661 // relevant code in scr_printscreen 2672 // relevant code in scr_printscreen
2662} 2673}
2663#endif 2674#endif
2664 2675
2665/* ------------------------------------------------------------------------- * 2676/* ------------------------------------------------------------------------- *
2666 * CHARACTER SELECTION * 2677 * CHARACTER SELECTION *
2667 * ------------------------------------------------------------------------- */ 2678 * ------------------------------------------------------------------------- */
2668void 2679void
2669rxvt_term::selection_check (int check_more) NOTHROW 2680rxvt_term::selection_check (int check_more) noexcept
2670{ 2681{
2671 if (!selection.op) 2682 if (!selection.op)
2672 return; 2683 return;
2673 2684
2674 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow) 2685 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2680 && ROWCOL_IS_BEFORE (screen.cur, selection.end))) 2691 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2681 CLEAR_ALL_SELECTION (); 2692 CLEAR_ALL_SELECTION ();
2682} 2693}
2683 2694
2684void 2695void
2685rxvt_term::selection_changed () NOTHROW 2696rxvt_term::selection_changed () noexcept
2686{ 2697{
2687 line_t &r1 = ROW (selection.beg.row); 2698 line_t &r1 = ROW (selection.beg.row);
2688 while (selection.beg.col < r1.l && r1.t [selection.beg.col] == NOCHAR) 2699 while (selection.beg.col < r1.l && r1.t [selection.beg.col] == NOCHAR)
2689 ++selection.beg.col; 2700 ++selection.beg.col;
2690 2701
2698/* ------------------------------------------------------------------------- */ 2709/* ------------------------------------------------------------------------- */
2699/* 2710/*
2700 * Paste a selection direct to the command fd 2711 * Paste a selection direct to the command fd
2701 */ 2712 */
2702void 2713void
2703rxvt_term::tt_paste (char *data, unsigned int len) NOTHROW 2714rxvt_term::tt_paste (char *data, unsigned int len) noexcept
2704{ 2715{
2705 /* convert normal newline chars into common keyboard Return key sequence */ 2716 /* convert normal newline chars into common keyboard Return key sequence */
2706 for (unsigned int i = 0; i < len; i++) 2717 for (unsigned int i = 0; i < len; i++)
2707 if (data[i] == C0_LF) 2718 if (data[i] == C0_LF)
2708 data[i] = C0_CR; 2719 data[i] = C0_CR;
2709 2720
2710 if (priv_modes & PrivMode_BracketPaste) 2721 #if ENABLE_FRILLS
2722 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2711 tt_printf ("\x1b[200~"); 2723 tt_printf ("\x1b[200~");
2724 #endif
2712 2725
2713 tt_write (data, len); 2726 tt_write (data, len);
2714 2727
2715 if (priv_modes & PrivMode_BracketPaste) 2728 #if ENABLE_FRILLS
2729 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2716 tt_printf ("\x1b[201~"); 2730 tt_printf ("\x1b[201~");
2731 #endif
2717} 2732}
2718 2733
2719void 2734void
2720rxvt_term::paste (char *data, unsigned int len) NOTHROW 2735rxvt_term::paste (char *data, unsigned int len) noexcept
2721{ 2736{
2722 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END))) 2737 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2723 return; 2738 return;
2724 2739
2725 tt_paste (data, len); 2740 tt_paste (data, len);
2731 * if the requested selection has no owner or is empty CUT_BUFFER0 is used 2746 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2732 * as fallback 2747 * as fallback
2733 * EXT: button 2 release 2748 * EXT: button 2 release
2734 */ 2749 */
2735void 2750void
2736rxvt_term::selection_request (Time tm, int selnum) NOTHROW 2751rxvt_term::selection_request (Time tm, int selnum) noexcept
2737{ 2752{
2738 if (!selection_req) 2753 if (!selection_req)
2739 { 2754 {
2740 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this); 2755 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2741 selection_req->run (); 2756 selection_req->run ();
2746/* 2761/*
2747 * Clear all selected text 2762 * Clear all selected text
2748 * EXT: SelectionClear 2763 * EXT: SelectionClear
2749 */ 2764 */
2750void 2765void
2751rxvt_term::selection_clear (bool clipboard) NOTHROW 2766rxvt_term::selection_clear (bool clipboard) noexcept
2752{ 2767{
2753 if (!clipboard) 2768 if (!clipboard)
2754 { 2769 {
2755 want_refresh = 1; 2770 want_refresh = 1;
2756 free (selection.text); 2771 free (selection.text);
2841 if (*t == NOCHAR) 2856 if (*t == NOCHAR)
2842 t++; 2857 t++;
2843#if ENABLE_COMBINING 2858#if ENABLE_COMBINING
2844 else if (IS_COMPOSE (*t)) 2859 else if (IS_COMPOSE (*t))
2845 { 2860 {
2846 int len = rxvt_composite.expand (*t, 0); 2861 int len = rxvt_composite.expand (*t);
2847 2862
2848 extra -= (len - 1); 2863 extra -= (len - 1);
2849 2864
2850 if (extra < 0) 2865 if (extra < 0)
2851 { 2866 {
2898 2913
2899 selection_grab (tm); 2914 selection_grab (tm);
2900} 2915}
2901 2916
2902bool 2917bool
2903rxvt_term::selection_grab (Time tm, bool clipboard) NOTHROW 2918rxvt_term::selection_grab (Time tm, bool clipboard) noexcept
2904{ 2919{
2905 Atom sel; 2920 Atom sel;
2906 2921
2907 if (!clipboard) 2922 if (!clipboard)
2908 { 2923 {
2942/* 2957/*
2943 * Mark or select text based upon number of clicks: 1, 2, or 3 2958 * Mark or select text based upon number of clicks: 1, 2, or 3
2944 * EXT: button 1 press 2959 * EXT: button 1 press
2945 */ 2960 */
2946void ecb_cold 2961void ecb_cold
2947rxvt_term::selection_click (int clicks, int x, int y) NOTHROW 2962rxvt_term::selection_click (int clicks, int x, int y) noexcept
2948{ 2963{
2949 clicks = ((clicks - 1) % 3) + 1; 2964 clicks = ((clicks - 1) % 3) + 1;
2950 selection.clicks = clicks; /* save clicks so extend will work */ 2965 selection.clicks = clicks; /* save clicks so extend will work */
2951 2966
2952 if (clicks == 2 && !selection.rect 2967 if (clicks == 2 && !selection.rect
2971/* ------------------------------------------------------------------------- */ 2986/* ------------------------------------------------------------------------- */
2972/* 2987/*
2973 * Mark a selection at the specified col/row 2988 * Mark a selection at the specified col/row
2974 */ 2989 */
2975void ecb_cold 2990void ecb_cold
2976rxvt_term::selection_start_colrow (int col, int row) NOTHROW 2991rxvt_term::selection_start_colrow (int col, int row) noexcept
2977{ 2992{
2978 want_refresh = 1; 2993 want_refresh = 1;
2979 2994
2980 selection.mark.row = row + view_start; 2995 selection.mark.row = row + view_start;
2981 selection.mark.col = col; 2996 selection.mark.col = col;
3008#define DELIMIT_TEXT(x) \ 3023#define DELIMIT_TEXT(x) \
3009 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x))) 3024 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3010#define DELIMIT_REND(x) 1 3025#define DELIMIT_REND(x) 1
3011 3026
3012void ecb_cold 3027void ecb_cold
3013rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW 3028rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) noexcept
3014{ 3029{
3015 int col, row, dirnadd, tcol, trow, w1, w2; 3030 int col, row, dirnadd, tcol, trow, w1, w2;
3016 row_col_t bound; 3031 row_col_t bound;
3017 text_t *stp; 3032 text_t *stp;
3018 rend_t *srp; 3033 rend_t *srp;
3092 * flag == 0 ==> button 1 3107 * flag == 0 ==> button 1
3093 * flag == 1 ==> button 3 press 3108 * flag == 1 ==> button 3 press
3094 * flag == 2 ==> button 3 motion 3109 * flag == 2 ==> button 3 motion
3095 */ 3110 */
3096void ecb_cold 3111void ecb_cold
3097rxvt_term::selection_extend (int x, int y, int flag) NOTHROW 3112rxvt_term::selection_extend (int x, int y, int flag) noexcept
3098{ 3113{
3099 int col = clamp (Pixel2Col (x), 0, ncol); 3114 int col = clamp (Pixel2Col (x), 0, ncol);
3100 int row = clamp (Pixel2Row (y), 0, nrow - 1); 3115 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3101 3116
3102 /* 3117 /*
3128/* ------------------------------------------------------------------------- */ 3143/* ------------------------------------------------------------------------- */
3129/* 3144/*
3130 * Extend the selection to the specified col/row 3145 * Extend the selection to the specified col/row
3131 */ 3146 */
3132void ecb_cold 3147void ecb_cold
3133rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW 3148rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) noexcept
3134{ 3149{
3135 row_col_t pos; 3150 row_col_t pos;
3136 enum { 3151 enum {
3137 LEFT, RIGHT 3152 LEFT, RIGHT
3138 } closeto = RIGHT; 3153 } closeto = RIGHT;
3329 selection_changed (); 3344 selection_changed ();
3330} 3345}
3331 3346
3332#if !ENABLE_MINIMAL 3347#if !ENABLE_MINIMAL
3333void ecb_cold 3348void ecb_cold
3334rxvt_term::selection_remove_trailing_spaces () NOTHROW 3349rxvt_term::selection_remove_trailing_spaces () noexcept
3335{ 3350{
3336 int32_t end_col, end_row; 3351 int32_t end_col, end_row;
3337 text_t *stp; 3352 text_t *stp;
3338 3353
3339 end_col = selection.end.col; 3354 end_col = selection.end.col;
3377/* 3392/*
3378 * Double click on button 3 when already selected 3393 * Double click on button 3 when already selected
3379 * EXT: button 3 double click 3394 * EXT: button 3 double click
3380 */ 3395 */
3381void ecb_cold 3396void ecb_cold
3382rxvt_term::selection_rotate (int x, int y) NOTHROW 3397rxvt_term::selection_rotate (int x, int y) noexcept
3383{ 3398{
3384 selection.clicks = selection.clicks % 3 + 1; 3399 selection.clicks = selection.clicks % 3 + 1;
3385 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); 3400 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3386} 3401}
3387 3402
3389/* 3404/*
3390 * Respond to a request for our current selection 3405 * Respond to a request for our current selection
3391 * EXT: SelectionRequest 3406 * EXT: SelectionRequest
3392 */ 3407 */
3393void ecb_cold 3408void ecb_cold
3394rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW 3409rxvt_term::selection_send (const XSelectionRequestEvent &rq) noexcept
3395{ 3410{
3396 Atom property = rq.property == None ? rq.target : rq.property; 3411 Atom property = rq.property == None ? rq.target : rq.property;
3397 XSelectionEvent ev; 3412 XSelectionEvent ev;
3398 3413
3399 ev.type = SelectionNotify; 3414 ev.type = SelectionNotify;
3491 cl = selection.clip_text; 3506 cl = selection.clip_text;
3492 selectlen = selection.clip_len; 3507 selectlen = selection.clip_len;
3493 } 3508 }
3494 else 3509 else
3495 { 3510 {
3496 cl = L""; 3511 cl = (wchar_t *)L"";
3497 selectlen = 0; 3512 selectlen = 0;
3498 } 3513 }
3499 3514
3500#if !ENABLE_MINIMAL 3515#if !ENABLE_MINIMAL
3501 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it 3516 // xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
3533} 3548}
3534 3549
3535/* ------------------------------------------------------------------------- */ 3550/* ------------------------------------------------------------------------- */
3536#if USE_XIM 3551#if USE_XIM
3537void ecb_cold 3552void ecb_cold
3538rxvt_term::im_set_position (XPoint &pos) NOTHROW 3553rxvt_term::im_set_position (XPoint &pos) noexcept
3539{ 3554{
3540 XWindowAttributes xwa; 3555 XWindowAttributes xwa;
3541 3556
3542 XGetWindowAttributes (dpy, vt, &xwa); 3557 XGetWindowAttributes (dpy, vt, &xwa);
3543 3558
3546} 3561}
3547#endif 3562#endif
3548 3563
3549#if ENABLE_OVERLAY 3564#if ENABLE_OVERLAY
3550void 3565void
3551rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW 3566rxvt_term::scr_overlay_new (int x, int y, int w, int h) noexcept
3552{ 3567{
3553 if (nrow < 1 || ncol < 1) 3568 if (nrow < 1 || ncol < 1)
3554 return; 3569 return;
3555 3570
3556 want_refresh = 1; 3571 want_refresh = 1;
3601 *rp = r; 3616 *rp = r;
3602 } 3617 }
3603} 3618}
3604 3619
3605void 3620void
3606rxvt_term::scr_overlay_off () NOTHROW 3621rxvt_term::scr_overlay_off () noexcept
3607{ 3622{
3608 if (!ov.text) 3623 if (!ov.text)
3609 return; 3624 return;
3610 3625
3611 want_refresh = 1; 3626 want_refresh = 1;
3619 delete [] ov.text; ov.text = 0; 3634 delete [] ov.text; ov.text = 0;
3620 delete [] ov.rend; ov.rend = 0; 3635 delete [] ov.rend; ov.rend = 0;
3621} 3636}
3622 3637
3623void 3638void
3624rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW 3639rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) noexcept
3625{ 3640{
3626 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2) 3641 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3627 return; 3642 return;
3628 3643
3629 x++, y++; 3644 x++, y++;
3631 ov.text[y][x] = text; 3646 ov.text[y][x] = text;
3632 ov.rend[y][x] = rend; 3647 ov.rend[y][x] = rend;
3633} 3648}
3634 3649
3635void 3650void
3636rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW 3651rxvt_term::scr_overlay_set (int x, int y, const char *s) noexcept
3637{ 3652{
3638 while (*s) 3653 while (*s)
3639 scr_overlay_set (x++, y, *s++); 3654 scr_overlay_set (x++, y, *s++);
3640} 3655}
3641 3656
3642void 3657void
3643rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW 3658rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) noexcept
3644{ 3659{
3645 while (*s) 3660 while (*s)
3646 { 3661 {
3647 text_t t = *s++; 3662 text_t t = *s++;
3648 int width = WCWIDTH (t); 3663 int width = WCWIDTH (t);
3654 } 3669 }
3655 } 3670 }
3656} 3671}
3657 3672
3658void 3673void
3659rxvt_term::scr_swap_overlay () NOTHROW 3674rxvt_term::scr_swap_overlay () noexcept
3660{ 3675{
3661 if (!ov.text) 3676 if (!ov.text)
3662 return; 3677 return;
3663 3678
3664 // hide cursor if it is within the overlay area 3679 // hide cursor if it is within the overlay area

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