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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.459 by root, Tue Jun 25 03:35:01 2019 UTC vs.
Revision 1.465 by root, Thu Aug 4 18:28:44 2022 UTC

… …
95 * SCREEN `COMMON' ROUTINES * 95 * SCREEN `COMMON' ROUTINES *
96 * ------------------------------------------------------------------------- */ 96 * ------------------------------------------------------------------------- */
97 97
98/* Fill part/all of a line with blanks. */ 98/* Fill part/all of a line with blanks. */
99void 99void
100rxvt_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
101{ 101{
102 if (!l.valid ()) 102 if (!l.valid ())
103 { 103 {
104 l.alloc (); 104 l.alloc ();
105 col = 0; 105 col = 0;
… …
107 } 107 }
108 108
109 l.touch (); 109 l.touch ();
110 110
111 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles 111 efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
112 efs = SET_FONT (efs, FONTSET (efs)->find_font (' ')); 112 efs = SET_FONT (efs, FONTSET (efs)->find_space_font ());
113 113
114 text_t *et = l.t + col; 114 text_t *et = l.t + col;
115 rend_t *er = l.r + col; 115 rend_t *er = l.r + col;
116 116
117 while (width--) 117 while (width--)
… …
122} 122}
123 123
124/* ------------------------------------------------------------------------- */ 124/* ------------------------------------------------------------------------- */
125/* 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 */
126void 126void
127rxvt_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
128{ 128{
129 scr_blank_line (l, 0, ncol, efs); 129 scr_blank_line (l, 0, ncol, efs);
130 130
131 l.l = 0; 131 l.l = 0;
132 l.f = 0; 132 l.f = 0;
133} 133}
134 134
135// nuke a single wide character at the given column 135// nuke a single wide character at the given column
136void 136void
137rxvt_term::scr_kill_char (line_t &l, int col) const NOTHROW 137rxvt_term::scr_kill_char (line_t &l, int col) const noexcept
138{ 138{
139 // find begin 139 // find begin
140 while (col > 0 && l.t[col] == NOCHAR) 140 while (col > 0 && l.t[col] == NOCHAR)
141 col--; 141 col--;
142 142
143 rend_t rend = l.r[col] & ~RS_baseattrMask; 143 rend_t rend = l.r[col] & ~RS_baseattrMask;
144 rend = SET_FONT (rend, FONTSET (rend)->find_font (' ')); 144 rend = SET_FONT (rend, FONTSET (rend)->find_space_font ());
145 145
146 l.touch (); 146 l.touch ();
147 147
148 // found start, nuke 148 // found start, nuke
149 do { 149 do {
… …
166/* ------------------------------------------------------------------------- * 166/* ------------------------------------------------------------------------- *
167 * SCREEN INITIALISATION * 167 * SCREEN INITIALISATION *
168 * ------------------------------------------------------------------------- */ 168 * ------------------------------------------------------------------------- */
169 169
170void 170void
171rxvt_term::scr_alloc () NOTHROW 171rxvt_term::scr_alloc () noexcept
172{ 172{
173 int tsize = sizeof (text_t) * ncol; 173 int tsize = sizeof (text_t) * ncol;
174 int rsize = sizeof (rend_t) * ncol; 174 int rsize = sizeof (rend_t) * ncol;
175 175
176 // we assume that rend_t size is a sufficient alignment 176 // we assume that rend_t size is a sufficient alignment
… …
291 * add or delete rows as appropriate 291 * add or delete rows as appropriate
292 */ 292 */
293 293
294 int common_col = min (prev_ncol, ncol); 294 int common_col = min (prev_ncol, ncol);
295 295
296 // resize swap_buf, blank drawn_buf
296 for (int row = min (nrow, prev_nrow); row--; ) 297 for (int row = min (nrow, prev_nrow); row--; )
297 { 298 {
298 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE); 299 scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
299 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);
300 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);
… …
304 305
305 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
306 int pend = MOD (term_start + top_row , prev_total_rows); 307 int pend = MOD (term_start + top_row , prev_total_rows);
307 int q = total_rows; // rewrapped row 308 int q = total_rows; // rewrapped row
308 309
309 if (top_row) 310#if ENABLE_FRILLS
311 if ((rewrap_always || top_row) && !rewrap_never)
310 { 312 {
311 // 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
312 // to come up with a lean and mean algorithm. 314 // to come up with a lean and mean algorithm.
313 // TODO: maybe optimise when width didn't change 315 // TODO: maybe optimise when width didn't change
314 316
… …
330 llen += prev_ncol; 332 llen += prev_ncol;
331 } 333 }
332 334
333 int qlines = max (0, (llen - 1) / ncol) + 1; 335 int qlines = max (0, (llen - 1) / ncol) + 1;
334 336
337 q -= qlines;
338
335 // drop partial lines completely 339 // drop partial lines completely
336 if (q < qlines) 340 if (q < 0)
337 break; 341 break;
338
339 q -= qlines;
340 342
341 int lofs = 0; 343 int lofs = 0;
342 line_t *qline; 344 line_t *qline;
343 345
344 // re-assemble the full line by destination lines 346 // re-assemble the full line by destination lines
… …
386 qline->is_longer (0); 388 qline->is_longer (0);
387 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE); 389 scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
388 } 390 }
389 while (p != pend && q > 0); 391 while (p != pend && q > 0);
390 392
391 term_start = total_rows - nrow;
392 top_row = q - term_start;
393
394 // make sure all terminal lines exist 393 // make sure all terminal lines exist
395 while (top_row > 0) 394 while (top_row > 0)
396 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE); 395 scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
397 } 396 }
398 else 397 else
398#endif
399 {
400 // wing, instead of wrap
399 { 401 do
400 // if no scrollback exists (yet), wing, instead of wrap
401
402 for (int row = min (nrow, prev_nrow); row--; )
403 { 402 {
404 line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)]; 403 p = MOD (p - 1, prev_total_rows);
405 line_t &dst = row_buf [row]; 404 q--;
406 405
407 copy_line (dst, src); 406 copy_line (row_buf [q], prev_row_buf [p]);
408 } 407 }
408 while (p != pend);
409 409
410 for (int row = prev_nrow; row < nrow; row++) 410 screen.cur.row += nrow - prev_nrow;
411 scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
412
413 term_start = 0;
414 } 411 }
412
413 term_start = total_rows - nrow;
414 top_row = q - term_start;
415 415
416 clamp_it (screen.cur.row, 0, nrow - 1); 416 clamp_it (screen.cur.row, 0, nrow - 1);
417 clamp_it (screen.cur.col, 0, ncol - 1); 417 clamp_it (screen.cur.col, 0, ncol - 1);
418 } 418 }
419 419
420 // ensure drawn_buf, swap_buf and terminal rows are all initialized
420 for (int row = nrow; row--; ) 421 for (int row = nrow; row--; )
421 { 422 {
422 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE); 423 if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
423 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE); 424 if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
424 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE); 425 if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
… …
441 442
442 HOOK_INVOKE ((this, HOOK_RESET, DT_END)); 443 HOOK_INVOKE ((this, HOOK_RESET, DT_END));
443} 444}
444 445
445void ecb_cold 446void ecb_cold
446rxvt_term::scr_release () NOTHROW 447rxvt_term::scr_release () noexcept
447{ 448{
448 chunk_free (chunk, chunk_size); 449 chunk_free (chunk, chunk_size);
449 chunk = 0; 450 chunk = 0;
450 row_buf = 0; 451 row_buf = 0;
451 452
… …
470 scr_clear (true); 471 scr_clear (true);
471 scr_refresh (); 472 scr_refresh ();
472} 473}
473 474
474void ecb_cold 475void ecb_cold
475rxvt_term::scr_soft_reset () NOTHROW 476rxvt_term::scr_soft_reset () noexcept
476{ 477{
477 /* only affects modes, nothing drastic such as clearing the screen */ 478 /* only affects modes, nothing drastic such as clearing the screen */
478#if ENABLE_OVERLAY 479#if ENABLE_OVERLAY
479 scr_overlay_off (); 480 scr_overlay_off ();
480#endif 481#endif
… …
494 * Save and Restore cursor 495 * Save and Restore cursor
495 * XTERM_SEQ: Save cursor : ESC 7 496 * XTERM_SEQ: Save cursor : ESC 7
496 * XTERM_SEQ: Restore cursor: ESC 8 497 * XTERM_SEQ: Restore cursor: ESC 8
497 */ 498 */
498void 499void
499rxvt_term::scr_cursor (cursor_mode mode) NOTHROW 500rxvt_term::scr_cursor (cursor_mode mode) noexcept
500{ 501{
501 screen_t *s; 502 screen_t *s;
502 503
503#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR) 504#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
504 if (current_screen == SECONDARY) 505 if (current_screen == SECONDARY)
… …
535 assert (s->cur.row >= 0); 536 assert (s->cur.row >= 0);
536 assert (s->cur.col >= 0); 537 assert (s->cur.col >= 0);
537} 538}
538 539
539void 540void
540rxvt_term::scr_swap_screen () NOTHROW 541rxvt_term::scr_swap_screen () noexcept
541{ 542{
542 if (!option (Opt_secondaryScreen)) 543 if (!option (Opt_secondaryScreen))
543 return; 544 return;
544 545
545 for (int i = prev_nrow; i--; ) 546 for (int i = prev_nrow; i--; )
… …
593 scr_scroll_text (0, prev_nrow - 1, prev_nrow); 594 scr_scroll_text (0, prev_nrow - 1, prev_nrow);
594} 595}
595 596
596// clear WrapNext indicator, solidifying position on next line 597// clear WrapNext indicator, solidifying position on next line
597void 598void
598rxvt_term::scr_do_wrap () NOTHROW 599rxvt_term::scr_do_wrap () noexcept
599{ 600{
600 if (!(screen.flags & Screen_WrapNext)) 601 if (!(screen.flags & Screen_WrapNext))
601 return; 602 return;
602 603
603 screen.flags &= ~Screen_WrapNext; 604 screen.flags &= ~Screen_WrapNext;
… …
613/* ------------------------------------------------------------------------- */ 614/* ------------------------------------------------------------------------- */
614/* 615/*
615 * Change the colour for following text 616 * Change the colour for following text
616 */ 617 */
617void 618void
618rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW 619rxvt_term::scr_color (unsigned int color, int fgbg) noexcept
619{ 620{
620 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR24)) 621 if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR24))
621 color = fgbg; 622 color = fgbg;
622 623
623 if (fgbg == Color_fg) 624 if (fgbg == Color_fg)
… …
629/* ------------------------------------------------------------------------- */ 630/* ------------------------------------------------------------------------- */
630/* 631/*
631 * Change the rendition style for following text 632 * Change the rendition style for following text
632 */ 633 */
633void 634void
634rxvt_term::scr_rendition (int set, int style) NOTHROW 635rxvt_term::scr_rendition (int set, int style) noexcept
635{ 636{
636 if (set) 637 if (set)
637 rstyle |= style; 638 rstyle |= style;
638 else if (style == ~RS_None) 639 else if (style == ~RS_None)
639 rstyle = DEFAULT_RSTYLE; 640 rstyle = DEFAULT_RSTYLE;
… …
646 * Scroll text between <row1> and <row2> inclusive, by <count> lines 647 * Scroll text between <row1> and <row2> inclusive, by <count> lines
647 * count positive ==> scroll up 648 * count positive ==> scroll up
648 * count negative ==> scroll down 649 * count negative ==> scroll down
649 */ 650 */
650int ecb_hot 651int ecb_hot
651rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW 652rxvt_term::scr_scroll_text (int row1, int row2, int count) noexcept
652{ 653{
653 if (count == 0 || (row1 > row2)) 654 if (count == 0 || (row1 > row2))
654 return 0; 655 return 0;
655 656
656 want_refresh = 1; 657 want_refresh = 1;
… …
790/* ------------------------------------------------------------------------- */ 791/* ------------------------------------------------------------------------- */
791/* 792/*
792 * Add text given in <str> of length <len> to screen struct 793 * Add text given in <str> of length <len> to screen struct
793 */ 794 */
794void ecb_hot 795void ecb_hot
795rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW 796rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) noexcept
796{ 797{
797 if (len <= 0) /* sanity */ 798 if (len <= 0) /* sanity */
798 return; 799 return;
799 800
800 bool checksel; 801 bool checksel;
… …
1046/* 1047/*
1047 * Process Backspace. Move back the cursor back a position, wrap if have to 1048 * Process Backspace. Move back the cursor back a position, wrap if have to
1048 * XTERM_SEQ: CTRL-H 1049 * XTERM_SEQ: CTRL-H
1049 */ 1050 */
1050void 1051void
1051rxvt_term::scr_backspace () NOTHROW 1052rxvt_term::scr_backspace () noexcept
1052{ 1053{
1053 if (screen.cur.col == 0) 1054 if (screen.cur.col == 0)
1054 { 1055 {
1055 if (screen.cur.row > 0) 1056 if (screen.cur.row > 0)
1056 { 1057 {
… …
1073 * Process Horizontal Tab 1074 * Process Horizontal Tab
1074 * count: +ve = forward; -ve = backwards 1075 * count: +ve = forward; -ve = backwards
1075 * XTERM_SEQ: CTRL-I 1076 * XTERM_SEQ: CTRL-I
1076 */ 1077 */
1077void 1078void
1078rxvt_term::scr_tab (int count, bool ht) NOTHROW 1079rxvt_term::scr_tab (int count, bool ht) noexcept
1079{ 1080{
1080 int i, x; 1081 int i, x;
1081 1082
1082 want_refresh = 1; 1083 want_refresh = 1;
1083 i = x = screen.cur.col; 1084 i = x = screen.cur.col;
… …
1150 * Move cursor left in row. If we're at the left boundary, shift everything 1151 * Move cursor left in row. If we're at the left boundary, shift everything
1151 * in that row right. Clear left column. 1152 * in that row right. Clear left column.
1152 */ 1153 */
1153#if !ENABLE_MINIMAL 1154#if !ENABLE_MINIMAL
1154void ecb_cold 1155void ecb_cold
1155rxvt_term::scr_backindex () NOTHROW 1156rxvt_term::scr_backindex () noexcept
1156{ 1157{
1157 if (screen.cur.col > 0) 1158 if (screen.cur.col > 0)
1158 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE); 1159 scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1159 else 1160 else
1160 scr_insdel_chars (1, INSERT); 1161 scr_insdel_chars (1, INSERT);
… …
1167 * Move cursor right in row. If we're at the right boundary, shift everything 1168 * Move cursor right in row. If we're at the right boundary, shift everything
1168 * in that row left. Clear right column. 1169 * in that row left. Clear right column.
1169 */ 1170 */
1170#if !ENABLE_MINIMAL 1171#if !ENABLE_MINIMAL
1171void ecb_cold 1172void ecb_cold
1172rxvt_term::scr_forwardindex () NOTHROW 1173rxvt_term::scr_forwardindex () noexcept
1173{ 1174{
1174 if (screen.cur.col < ncol - 1) 1175 if (screen.cur.col < ncol - 1)
1175 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE); 1176 scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1176 else 1177 else
1177 { 1178 {
… …
1190/* ------------------------------------------------------------------------- */ 1191/* ------------------------------------------------------------------------- */
1191/* 1192/*
1192 * Goto Row/Column 1193 * Goto Row/Column
1193 */ 1194 */
1194void 1195void
1195rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW 1196rxvt_term::scr_gotorc (int row, int col, int relative) noexcept
1196{ 1197{
1197 want_refresh = 1; 1198 want_refresh = 1;
1198 ZERO_SCROLLBACK (); 1199 ZERO_SCROLLBACK ();
1199 1200
1200 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col; 1201 screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
… …
1239/* ------------------------------------------------------------------------- */ 1240/* ------------------------------------------------------------------------- */
1240/* 1241/*
1241 * direction should be UP or DN 1242 * direction should be UP or DN
1242 */ 1243 */
1243void 1244void
1244rxvt_term::scr_index (enum page_dirn direction) NOTHROW 1245rxvt_term::scr_index (enum page_dirn direction) noexcept
1245{ 1246{
1246 want_refresh = 1; 1247 want_refresh = 1;
1247 ZERO_SCROLLBACK (); 1248 ZERO_SCROLLBACK ();
1248 1249
1249 screen.flags &= ~Screen_WrapNext; 1250 screen.flags &= ~Screen_WrapNext;
… …
1265 * XTERM_SEQ: Clear line to left : ESC [ 1 K 1266 * XTERM_SEQ: Clear line to left : ESC [ 1 K
1266 * XTERM_SEQ: Clear whole line : ESC [ 2 K 1267 * XTERM_SEQ: Clear whole line : ESC [ 2 K
1267 * extension: clear to right unless wrapped: ESC [ 3 K 1268 * extension: clear to right unless wrapped: ESC [ 3 K
1268 */ 1269 */
1269void 1270void
1270rxvt_term::scr_erase_line (int mode) NOTHROW 1271rxvt_term::scr_erase_line (int mode) noexcept
1271{ 1272{
1272 unsigned int col, num; 1273 unsigned int col, num;
1273 1274
1274 want_refresh = 1; 1275 want_refresh = 1;
1275 ZERO_SCROLLBACK (); 1276 ZERO_SCROLLBACK ();
… …
1329 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J 1330 * XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1330 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J 1331 * XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1331 * XTERM_SEQ: Clear whole screen : ESC [ 2 J 1332 * XTERM_SEQ: Clear whole screen : ESC [ 2 J
1332 */ 1333 */
1333void 1334void
1334rxvt_term::scr_erase_screen (int mode) NOTHROW 1335rxvt_term::scr_erase_screen (int mode) noexcept
1335{ 1336{
1336 int num; 1337 int num;
1337 int32_t row; 1338 int32_t row;
1338 rend_t ren; 1339 rend_t ren;
1339 XGCValues gcvalue; 1340 XGCValues gcvalue;
… …
1409 } 1410 }
1410} 1411}
1411 1412
1412#if !ENABLE_MINIMAL 1413#if !ENABLE_MINIMAL
1413void 1414void
1414rxvt_term::scr_erase_savelines () NOTHROW 1415rxvt_term::scr_erase_savelines () noexcept
1415{ 1416{
1416 want_refresh = 1; 1417 want_refresh = 1;
1417 ZERO_SCROLLBACK (); 1418 ZERO_SCROLLBACK ();
1418 1419
1419 top_row = 0; 1420 top_row = 0;
… …
1424/* 1425/*
1425 * Fill the screen with `E's 1426 * Fill the screen with `E's
1426 * XTERM_SEQ: Screen Alignment Test: ESC # 8 1427 * XTERM_SEQ: Screen Alignment Test: ESC # 8
1427 */ 1428 */
1428void ecb_cold 1429void ecb_cold
1429rxvt_term::scr_E () NOTHROW 1430rxvt_term::scr_E () noexcept
1430{ 1431{
1431 rend_t fs; 1432 rend_t fs;
1432 1433
1433 want_refresh = 1; 1434 want_refresh = 1;
1434 ZERO_SCROLLBACK (); 1435 ZERO_SCROLLBACK ();
… …
1459/* ------------------------------------------------------------------------- */ 1460/* ------------------------------------------------------------------------- */
1460/* 1461/*
1461 * Insert/Delete <count> lines 1462 * Insert/Delete <count> lines
1462 */ 1463 */
1463void 1464void
1464rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW 1465rxvt_term::scr_insdel_lines (int count, int insdel) noexcept
1465{ 1466{
1466 int end; 1467 int end;
1467 1468
1468 ZERO_SCROLLBACK (); 1469 ZERO_SCROLLBACK ();
1469 1470
… …
1489/* ------------------------------------------------------------------------- */ 1490/* ------------------------------------------------------------------------- */
1490/* 1491/*
1491 * Insert/Delete <count> characters from the current position 1492 * Insert/Delete <count> characters from the current position
1492 */ 1493 */
1493void 1494void
1494rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW 1495rxvt_term::scr_insdel_chars (int count, int insdel) noexcept
1495{ 1496{
1496 want_refresh = 1; 1497 want_refresh = 1;
1497 ZERO_SCROLLBACK (); 1498 ZERO_SCROLLBACK ();
1498 1499
1499 if (count <= 0) 1500 if (count <= 0)
… …
1598/* 1599/*
1599 * Set the scrolling region 1600 * Set the scrolling region
1600 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r 1601 * XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1601 */ 1602 */
1602void ecb_cold 1603void ecb_cold
1603rxvt_term::scr_scroll_region (int top, int bot) NOTHROW 1604rxvt_term::scr_scroll_region (int top, int bot) noexcept
1604{ 1605{
1605 max_it (top, 0); 1606 max_it (top, 0);
1606 min_it (bot, nrow - 1); 1607 min_it (bot, nrow - 1);
1607 1608
1608 if (top > bot) 1609 if (top > bot)
… …
1618 * Make the cursor visible/invisible 1619 * Make the cursor visible/invisible
1619 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h 1620 * XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1620 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l 1621 * XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1621 */ 1622 */
1622void ecb_cold 1623void ecb_cold
1623rxvt_term::scr_cursor_visible (int mode) NOTHROW 1624rxvt_term::scr_cursor_visible (int mode) noexcept
1624{ 1625{
1625 want_refresh = 1; 1626 want_refresh = 1;
1626 1627
1627 if (mode) 1628 if (mode)
1628 screen.flags |= Screen_VisibleCursor; 1629 screen.flags |= Screen_VisibleCursor;
… …
1635 * Set/unset automatic wrapping 1636 * Set/unset automatic wrapping
1636 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h 1637 * XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1637 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l 1638 * XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1638 */ 1639 */
1639void ecb_cold 1640void ecb_cold
1640rxvt_term::scr_autowrap (int mode) NOTHROW 1641rxvt_term::scr_autowrap (int mode) noexcept
1641{ 1642{
1642 if (mode) 1643 if (mode)
1643 screen.flags |= Screen_Autowrap; 1644 screen.flags |= Screen_Autowrap;
1644 else 1645 else
1645 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext); 1646 screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
… …
1654 * and the cursor cannot be moved outside. 1655 * and the cursor cannot be moved outside.
1655 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h 1656 * XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1656 * XTERM_SEQ: Set Relative: ESC [ ? 6 l 1657 * XTERM_SEQ: Set Relative: ESC [ ? 6 l
1657 */ 1658 */
1658void ecb_cold 1659void ecb_cold
1659rxvt_term::scr_relative_origin (int mode) NOTHROW 1660rxvt_term::scr_relative_origin (int mode) noexcept
1660{ 1661{
1661 if (mode) 1662 if (mode)
1662 screen.flags |= Screen_Relative; 1663 screen.flags |= Screen_Relative;
1663 else 1664 else
1664 screen.flags &= ~Screen_Relative; 1665 screen.flags &= ~Screen_Relative;
… …
1671 * Set insert/replace mode 1672 * Set insert/replace mode
1672 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h 1673 * XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1673 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l 1674 * XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1674 */ 1675 */
1675void ecb_cold 1676void ecb_cold
1676rxvt_term::scr_insert_mode (int mode) NOTHROW 1677rxvt_term::scr_insert_mode (int mode) noexcept
1677{ 1678{
1678 if (mode) 1679 if (mode)
1679 screen.flags |= Screen_Insert; 1680 screen.flags |= Screen_Insert;
1680 else 1681 else
1681 screen.flags &= ~Screen_Insert; 1682 screen.flags &= ~Screen_Insert;
… …
1687 * XTERM_SEQ: Set tab at current column : ESC H 1688 * XTERM_SEQ: Set tab at current column : ESC H
1688 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g 1689 * XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1689 * XTERM_SEQ: Clear all tabs : ESC [ 3 g 1690 * XTERM_SEQ: Clear all tabs : ESC [ 3 g
1690 */ 1691 */
1691void ecb_cold 1692void ecb_cold
1692rxvt_term::scr_set_tab (int mode) NOTHROW 1693rxvt_term::scr_set_tab (int mode) noexcept
1693{ 1694{
1694 if (mode < 0) 1695 if (mode < 0)
1695 memset (tabs, 0, ncol); 1696 memset (tabs, 0, ncol);
1696 else if (screen.cur.col < ncol) 1697 else if (screen.cur.col < ncol)
1697 tabs [screen.cur.col] = !!mode; 1698 tabs [screen.cur.col] = !!mode;
… …
1702 * Set reverse/normal video 1703 * Set reverse/normal video
1703 * XTERM_SEQ: Reverse video: ESC [ ? 5 h 1704 * XTERM_SEQ: Reverse video: ESC [ ? 5 h
1704 * XTERM_SEQ: Normal video : ESC [ ? 5 l 1705 * XTERM_SEQ: Normal video : ESC [ ? 5 l
1705 */ 1706 */
1706void 1707void
1707rxvt_term::scr_rvideo_mode (bool on) NOTHROW 1708rxvt_term::scr_rvideo_mode (bool on) noexcept
1708{ 1709{
1709 rvideo_mode = on; 1710 rvideo_mode = on;
1710 1711
1711#ifndef NO_BELL 1712#ifndef NO_BELL
1712 on ^= rvideo_bell; 1713 on ^= rvideo_bell;
… …
1744/* 1745/*
1745 * Report current cursor position 1746 * Report current cursor position
1746 * XTERM_SEQ: Report position: ESC [ 6 n 1747 * XTERM_SEQ: Report position: ESC [ 6 n
1747 */ 1748 */
1748void ecb_cold 1749void ecb_cold
1749rxvt_term::scr_report_position () NOTHROW 1750rxvt_term::scr_report_position () noexcept
1750{ 1751{
1751 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1); 1752 tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1752} 1753}
1753 1754
1754/* ------------------------------------------------------------------------- * 1755/* ------------------------------------------------------------------------- *
… …
1757 1758
1758/* 1759/*
1759 * Set font style 1760 * Set font style
1760 */ 1761 */
1761void ecb_cold 1762void ecb_cold
1762rxvt_term::set_font_style () NOTHROW 1763rxvt_term::set_font_style () noexcept
1763{ 1764{
1764#if 0 1765#if 0
1765 switch (charsets [screen.charset]) 1766 switch (charsets [screen.charset])
1766 { 1767 {
1767 case '0': /* DEC Special Character & Line Drawing Set */ 1768 case '0': /* DEC Special Character & Line Drawing Set */
… …
1789 * XTERM_SEQ: Invoke G1 character set: CTRL-N 1790 * XTERM_SEQ: Invoke G1 character set: CTRL-N
1790 * XTERM_SEQ: Invoke G2 character set: ESC N 1791 * XTERM_SEQ: Invoke G2 character set: ESC N
1791 * XTERM_SEQ: Invoke G3 character set: ESC O 1792 * XTERM_SEQ: Invoke G3 character set: ESC O
1792 */ 1793 */
1793void ecb_cold 1794void ecb_cold
1794rxvt_term::scr_charset_choose (int set) NOTHROW 1795rxvt_term::scr_charset_choose (int set) noexcept
1795{ 1796{
1796 screen.charset = set; 1797 screen.charset = set;
1797 set_font_style (); 1798 set_font_style ();
1798} 1799}
1799 1800
… …
1805 * XTERM_SEQ: Set G2 character set: ESC * <C> 1806 * XTERM_SEQ: Set G2 character set: ESC * <C>
1806 * XTERM_SEQ: Set G3 character set: ESC + <C> 1807 * XTERM_SEQ: Set G3 character set: ESC + <C>
1807 * See set_font_style for possible values for <C> 1808 * See set_font_style for possible values for <C>
1808 */ 1809 */
1809void 1810void
1810rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW 1811rxvt_term::scr_charset_set (int set, unsigned int ch) noexcept
1811{ 1812{
1812 charsets[set] = (unsigned char)ch; 1813 charsets[set] = (unsigned char)ch;
1813 set_font_style (); 1814 set_font_style ();
1814} 1815}
1815 1816
… …
1820 1821
1821/* 1822/*
1822 * refresh matching text. 1823 * refresh matching text.
1823 */ 1824 */
1824bool ecb_cold 1825bool ecb_cold
1825rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW 1826rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) noexcept
1826{ 1827{
1827 bool found = false; 1828 bool found = false;
1828 1829
1829 for (int i = 0; i < nrow; i++) 1830 for (int i = 0; i < nrow; i++)
1830 { 1831 {
… …
1849 PART_END, 1850 PART_END,
1850 RC_COUNT 1851 RC_COUNT
1851}; 1852};
1852 1853
1853void ecb_hot 1854void ecb_hot
1854rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW 1855rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) noexcept
1855{ 1856{
1856 int i; 1857 int i;
1857 row_col_t rc[RC_COUNT]; 1858 row_col_t rc[RC_COUNT];
1858 1859
1859 if (!drawn_buf) /* sanity check */ 1860 if (!drawn_buf) /* sanity check */
… …
1893/* ------------------------------------------------------------------------- */ 1894/* ------------------------------------------------------------------------- */
1894/* 1895/*
1895 * Refresh the entire screen 1896 * Refresh the entire screen
1896 */ 1897 */
1897void 1898void
1898rxvt_term::scr_touch (bool refresh) NOTHROW 1899rxvt_term::scr_touch (bool refresh) noexcept
1899{ 1900{
1900 scr_expose (0, 0, vt_width, vt_height, refresh); 1901 scr_expose (0, 0, vt_width, vt_height, refresh);
1901} 1902}
1902 1903
1903/* ------------------------------------------------------------------------- */ 1904/* ------------------------------------------------------------------------- */
1904/* 1905/*
1905 * Move the display so that the line represented by scrollbar value Y is at 1906 * Move the display so that the line represented by scrollbar value Y is at
1906 * the top of the screen 1907 * the top of the screen
1907 */ 1908 */
1908void 1909void
1909rxvt_term::scr_move_to (int y, int len) NOTHROW 1910rxvt_term::scr_move_to (int y, int len) noexcept
1910{ 1911{
1911 // lerp (y, 0, len, top_row, nrow - 1) 1912 // lerp (y, 0, len, top_row, nrow - 1)
1912 scr_changeview (top_row + (nrow - 1 - top_row) * y / len); 1913 scr_changeview (top_row + (nrow - 1 - top_row) * y / len);
1913} 1914}
1914 1915
… …
1916/* 1917/*
1917 * Page the screen up/down nlines 1918 * Page the screen up/down nlines
1918 * direction should be UP or DN 1919 * direction should be UP or DN
1919 */ 1920 */
1920bool 1921bool
1921rxvt_term::scr_page (int nlines) NOTHROW 1922rxvt_term::scr_page (int nlines) noexcept
1922{ 1923{
1923 return scr_changeview (view_start - nlines); 1924 return scr_changeview (view_start - nlines);
1924} 1925}
1925 1926
1926bool 1927bool
1927rxvt_term::scr_changeview (int new_view_start) NOTHROW 1928rxvt_term::scr_changeview (int new_view_start) noexcept
1928{ 1929{
1929 clamp_it (new_view_start, top_row, 0); 1930 clamp_it (new_view_start, top_row, 0);
1930 1931
1931 if (new_view_start == view_start) 1932 if (new_view_start == view_start)
1932 return false; 1933 return false;
… …
1950} 1951}
1951#endif 1952#endif
1952 1953
1953/* ------------------------------------------------------------------------- */ 1954/* ------------------------------------------------------------------------- */
1954void 1955void
1955rxvt_term::scr_bell () NOTHROW 1956rxvt_term::scr_bell () noexcept
1956{ 1957{
1957#ifndef NO_BELL 1958#ifndef NO_BELL
1958 1959
1959# ifndef NO_MAPALERT 1960# ifndef NO_MAPALERT
1960# ifdef MAPALERT_OPTION 1961# ifdef MAPALERT_OPTION
… …
1982#endif 1983#endif
1983} 1984}
1984 1985
1985/* ------------------------------------------------------------------------- */ 1986/* ------------------------------------------------------------------------- */
1986void ecb_cold 1987void ecb_cold
1987rxvt_term::scr_printscreen (int fullhist) NOTHROW 1988rxvt_term::scr_printscreen (int fullhist) noexcept
1988{ 1989{
1989#ifdef PRINTPIPE 1990#ifdef PRINTPIPE
1990 int nrows, row_start; 1991 int nrows, row_start;
1991 FILE *fd = popen_printer (); 1992 FILE *fd = popen_printer ();
1992 1993
… …
2041 * Refresh the screen 2042 * Refresh the screen
2042 * drawn_text/drawn_rend contain the screen information before the update. 2043 * drawn_text/drawn_rend contain the screen information before the update.
2043 * screen.text/screen.rend contain what the screen will change to. 2044 * screen.text/screen.rend contain what the screen will change to.
2044 */ 2045 */
2045void ecb_hot 2046void ecb_hot
2046rxvt_term::scr_refresh () NOTHROW 2047rxvt_term::scr_refresh () noexcept
2047{ 2048{
2048 int16_t col, row, /* column/row we're processing */ 2049 int16_t col, row, /* column/row we're processing */
2049 ocrow; /* old cursor row */ 2050 ocrow; /* old cursor row */
2050 int i; /* tmp */ 2051 int i; /* tmp */
2051 rend_t ccol1, /* Cursor colour */ 2052 rend_t ccol1, /* Cursor colour */
… …
2498 num_scr = 0; 2499 num_scr = 0;
2499 num_scr_allow = 1; 2500 num_scr_allow = 1;
2500} 2501}
2501 2502
2502void ecb_cold 2503void ecb_cold
2503rxvt_term::scr_remap_chars (line_t &l) NOTHROW 2504rxvt_term::scr_remap_chars (line_t &l) noexcept
2504{ 2505{
2505 if (!l.valid ()) 2506 if (!l.valid ())
2506 return; 2507 return;
2507 2508
2508 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant 2509 l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
… …
2510 for (int i = ncol; i--; ) 2511 for (int i = ncol; i--; )
2511 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i])); 2512 l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2512} 2513}
2513 2514
2514void ecb_cold 2515void ecb_cold
2515rxvt_term::scr_remap_chars () NOTHROW 2516rxvt_term::scr_remap_chars () noexcept
2516{ 2517{
2517 for (int i = total_rows; i--; ) 2518 for (int i = total_rows; i--; )
2518 scr_remap_chars (row_buf [i]); 2519 scr_remap_chars (row_buf [i]);
2519 2520
2520 for (int i = nrow; i--; ) 2521 for (int i = nrow; i--; )
… …
2523 scr_remap_chars (swap_buf [i]); 2524 scr_remap_chars (swap_buf [i]);
2524 } 2525 }
2525} 2526}
2526 2527
2527void ecb_cold 2528void ecb_cold
2528rxvt_term::scr_recolor (bool refresh) NOTHROW 2529rxvt_term::scr_recolor (bool refresh) noexcept
2529{ 2530{
2530 bool transparent = false; 2531 bool transparent = false;
2531 2532
2532#ifdef HAVE_IMG 2533#ifdef HAVE_IMG
2533 if (bg_img != 0) 2534 if (bg_img != 0)
… …
2574 want_refresh = 1; 2575 want_refresh = 1;
2575} 2576}
2576 2577
2577/* ------------------------------------------------------------------------- */ 2578/* ------------------------------------------------------------------------- */
2578void 2579void
2579rxvt_term::scr_clear (bool really) NOTHROW 2580rxvt_term::scr_clear (bool really) noexcept
2580{ 2581{
2581 if (!mapped) 2582 if (!mapped)
2582 return; 2583 return;
2583 2584
2584 num_scr_allow = 0; 2585 num_scr_allow = 0;
… …
2587 if (really) 2588 if (really)
2588 XClearWindow (dpy, vt); 2589 XClearWindow (dpy, vt);
2589} 2590}
2590 2591
2591void 2592void
2592rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW 2593rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) noexcept
2593{ 2594{
2594 int view_end = view_start + nrow; 2595 int view_end = view_start + nrow;
2595 int row, col; 2596 int row, col;
2596 2597
2597 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++) 2598 for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
… …
2609 srp[col] ^= rstyle2; 2610 srp[col] ^= rstyle2;
2610 } 2611 }
2611} 2612}
2612 2613
2613void 2614void
2614rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW 2615rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) noexcept
2615{ 2616{
2616 int view_end = view_start + nrow; 2617 int view_end = view_start + nrow;
2617 int row, col; 2618 int row, col;
2618 2619
2619 if (beg_row >= view_start) 2620 if (beg_row >= view_start)
… …
2636 srp[col] ^= rstyle; 2637 srp[col] ^= rstyle;
2637} 2638}
2638 2639
2639/* ------------------------------------------------------------------------- */ 2640/* ------------------------------------------------------------------------- */
2640void ecb_hot 2641void ecb_hot
2641rxvt_term::scr_reverse_selection () NOTHROW 2642rxvt_term::scr_reverse_selection () noexcept
2642{ 2643{
2643 if (selection.op 2644 if (selection.op
2644 && current_screen == selection.screen 2645 && current_screen == selection.screen
2645 && selection.end.row >= view_start) 2646 && selection.end.row >= view_start)
2646 { 2647 {
… …
2662 * Dump the whole scrollback and screen to the passed filedescriptor. The 2663 * Dump the whole scrollback and screen to the passed filedescriptor. The
2663 * invoking routine must close the fd. 2664 * invoking routine must close the fd.
2664 */ 2665 */
2665#if 0 2666#if 0
2666void 2667void
2667rxvt_term::scr_dump (int fd) NOTHROW 2668rxvt_term::scr_dump (int fd) noexcept
2668{ 2669{
2669 // if this method is needed, it can be implemented by factoring the 2670 // if this method is needed, it can be implemented by factoring the
2670 // relevant code in scr_printscreen 2671 // relevant code in scr_printscreen
2671} 2672}
2672#endif 2673#endif
2673 2674
2674/* ------------------------------------------------------------------------- * 2675/* ------------------------------------------------------------------------- *
2675 * CHARACTER SELECTION * 2676 * CHARACTER SELECTION *
2676 * ------------------------------------------------------------------------- */ 2677 * ------------------------------------------------------------------------- */
2677void 2678void
2678rxvt_term::selection_check (int check_more) NOTHROW 2679rxvt_term::selection_check (int check_more) noexcept
2679{ 2680{
2680 if (!selection.op) 2681 if (!selection.op)
2681 return; 2682 return;
2682 2683
2683 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow) 2684 if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
… …
2689 && ROWCOL_IS_BEFORE (screen.cur, selection.end))) 2690 && ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2690 CLEAR_ALL_SELECTION (); 2691 CLEAR_ALL_SELECTION ();
2691} 2692}
2692 2693
2693void 2694void
2694rxvt_term::selection_changed () NOTHROW 2695rxvt_term::selection_changed () noexcept
2695{ 2696{
2696 line_t &r1 = ROW (selection.beg.row); 2697 line_t &r1 = ROW (selection.beg.row);
2697 while (selection.beg.col < r1.l && r1.t [selection.beg.col] == NOCHAR) 2698 while (selection.beg.col < r1.l && r1.t [selection.beg.col] == NOCHAR)
2698 ++selection.beg.col; 2699 ++selection.beg.col;
2699 2700
… …
2707/* ------------------------------------------------------------------------- */ 2708/* ------------------------------------------------------------------------- */
2708/* 2709/*
2709 * Paste a selection direct to the command fd 2710 * Paste a selection direct to the command fd
2710 */ 2711 */
2711void 2712void
2712rxvt_term::tt_paste (char *data, unsigned int len) NOTHROW 2713rxvt_term::tt_paste (char *data, unsigned int len) noexcept
2713{ 2714{
2714 /* convert normal newline chars into common keyboard Return key sequence */ 2715 /* convert normal newline chars into common keyboard Return key sequence */
2715 for (unsigned int i = 0; i < len; i++) 2716 for (unsigned int i = 0; i < len; i++)
2716 if (data[i] == C0_LF) 2717 if (data[i] == C0_LF)
2717 data[i] = C0_CR; 2718 data[i] = C0_CR;
2718 2719
2719 if (priv_modes & PrivMode_BracketPaste) 2720 #if ENABLE_FRILLS
2721 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2720 tt_printf ("\x1b[200~"); 2722 tt_printf ("\x1b[200~");
2723 #endif
2721 2724
2722 tt_write (data, len); 2725 tt_write (data, len);
2723 2726
2724 if (priv_modes & PrivMode_BracketPaste) 2727 #if ENABLE_FRILLS
2728 if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2725 tt_printf ("\x1b[201~"); 2729 tt_printf ("\x1b[201~");
2730 #endif
2726} 2731}
2727 2732
2728void 2733void
2729rxvt_term::paste (char *data, unsigned int len) NOTHROW 2734rxvt_term::paste (char *data, unsigned int len) noexcept
2730{ 2735{
2731 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END))) 2736 if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2732 return; 2737 return;
2733 2738
2734 tt_paste (data, len); 2739 tt_paste (data, len);
… …
2740 * if the requested selection has no owner or is empty CUT_BUFFER0 is used 2745 * if the requested selection has no owner or is empty CUT_BUFFER0 is used
2741 * as fallback 2746 * as fallback
2742 * EXT: button 2 release 2747 * EXT: button 2 release
2743 */ 2748 */
2744void 2749void
2745rxvt_term::selection_request (Time tm, int selnum) NOTHROW 2750rxvt_term::selection_request (Time tm, int selnum) noexcept
2746{ 2751{
2747 if (!selection_req) 2752 if (!selection_req)
2748 { 2753 {
2749 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this); 2754 selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
2750 selection_req->run (); 2755 selection_req->run ();
… …
2755/* 2760/*
2756 * Clear all selected text 2761 * Clear all selected text
2757 * EXT: SelectionClear 2762 * EXT: SelectionClear
2758 */ 2763 */
2759void 2764void
2760rxvt_term::selection_clear (bool clipboard) NOTHROW 2765rxvt_term::selection_clear (bool clipboard) noexcept
2761{ 2766{
2762 if (!clipboard) 2767 if (!clipboard)
2763 { 2768 {
2764 want_refresh = 1; 2769 want_refresh = 1;
2765 free (selection.text); 2770 free (selection.text);
… …
2850 if (*t == NOCHAR) 2855 if (*t == NOCHAR)
2851 t++; 2856 t++;
2852#if ENABLE_COMBINING 2857#if ENABLE_COMBINING
2853 else if (IS_COMPOSE (*t)) 2858 else if (IS_COMPOSE (*t))
2854 { 2859 {
2855 int len = rxvt_composite.expand (*t, 0); 2860 int len = rxvt_composite.expand (*t);
2856 2861
2857 extra -= (len - 1); 2862 extra -= (len - 1);
2858 2863
2859 if (extra < 0) 2864 if (extra < 0)
2860 { 2865 {
… …
2907 2912
2908 selection_grab (tm); 2913 selection_grab (tm);
2909} 2914}
2910 2915
2911bool 2916bool
2912rxvt_term::selection_grab (Time tm, bool clipboard) NOTHROW 2917rxvt_term::selection_grab (Time tm, bool clipboard) noexcept
2913{ 2918{
2914 Atom sel; 2919 Atom sel;
2915 2920
2916 if (!clipboard) 2921 if (!clipboard)
2917 { 2922 {
… …
2951/* 2956/*
2952 * Mark or select text based upon number of clicks: 1, 2, or 3 2957 * Mark or select text based upon number of clicks: 1, 2, or 3
2953 * EXT: button 1 press 2958 * EXT: button 1 press
2954 */ 2959 */
2955void ecb_cold 2960void ecb_cold
2956rxvt_term::selection_click (int clicks, int x, int y) NOTHROW 2961rxvt_term::selection_click (int clicks, int x, int y) noexcept
2957{ 2962{
2958 clicks = ((clicks - 1) % 3) + 1; 2963 clicks = ((clicks - 1) % 3) + 1;
2959 selection.clicks = clicks; /* save clicks so extend will work */ 2964 selection.clicks = clicks; /* save clicks so extend will work */
2960 2965
2961 if (clicks == 2 && !selection.rect 2966 if (clicks == 2 && !selection.rect
… …
2980/* ------------------------------------------------------------------------- */ 2985/* ------------------------------------------------------------------------- */
2981/* 2986/*
2982 * Mark a selection at the specified col/row 2987 * Mark a selection at the specified col/row
2983 */ 2988 */
2984void ecb_cold 2989void ecb_cold
2985rxvt_term::selection_start_colrow (int col, int row) NOTHROW 2990rxvt_term::selection_start_colrow (int col, int row) noexcept
2986{ 2991{
2987 want_refresh = 1; 2992 want_refresh = 1;
2988 2993
2989 selection.mark.row = row + view_start; 2994 selection.mark.row = row + view_start;
2990 selection.mark.col = col; 2995 selection.mark.col = col;
… …
3017#define DELIMIT_TEXT(x) \ 3022#define DELIMIT_TEXT(x) \
3018 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x))) 3023 (unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3019#define DELIMIT_REND(x) 1 3024#define DELIMIT_REND(x) 1
3020 3025
3021void ecb_cold 3026void ecb_cold
3022rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW 3027rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) noexcept
3023{ 3028{
3024 int col, row, dirnadd, tcol, trow, w1, w2; 3029 int col, row, dirnadd, tcol, trow, w1, w2;
3025 row_col_t bound; 3030 row_col_t bound;
3026 text_t *stp; 3031 text_t *stp;
3027 rend_t *srp; 3032 rend_t *srp;
… …
3101 * flag == 0 ==> button 1 3106 * flag == 0 ==> button 1
3102 * flag == 1 ==> button 3 press 3107 * flag == 1 ==> button 3 press
3103 * flag == 2 ==> button 3 motion 3108 * flag == 2 ==> button 3 motion
3104 */ 3109 */
3105void ecb_cold 3110void ecb_cold
3106rxvt_term::selection_extend (int x, int y, int flag) NOTHROW 3111rxvt_term::selection_extend (int x, int y, int flag) noexcept
3107{ 3112{
3108 int col = clamp (Pixel2Col (x), 0, ncol); 3113 int col = clamp (Pixel2Col (x), 0, ncol);
3109 int row = clamp (Pixel2Row (y), 0, nrow - 1); 3114 int row = clamp (Pixel2Row (y), 0, nrow - 1);
3110 3115
3111 /* 3116 /*
… …
3137/* ------------------------------------------------------------------------- */ 3142/* ------------------------------------------------------------------------- */
3138/* 3143/*
3139 * Extend the selection to the specified col/row 3144 * Extend the selection to the specified col/row
3140 */ 3145 */
3141void ecb_cold 3146void ecb_cold
3142rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW 3147rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) noexcept
3143{ 3148{
3144 row_col_t pos; 3149 row_col_t pos;
3145 enum { 3150 enum {
3146 LEFT, RIGHT 3151 LEFT, RIGHT
3147 } closeto = RIGHT; 3152 } closeto = RIGHT;
… …
3338 selection_changed (); 3343 selection_changed ();
3339} 3344}
3340 3345
3341#if !ENABLE_MINIMAL 3346#if !ENABLE_MINIMAL
3342void ecb_cold 3347void ecb_cold
3343rxvt_term::selection_remove_trailing_spaces () NOTHROW 3348rxvt_term::selection_remove_trailing_spaces () noexcept
3344{ 3349{
3345 int32_t end_col, end_row; 3350 int32_t end_col, end_row;
3346 text_t *stp; 3351 text_t *stp;
3347 3352
3348 end_col = selection.end.col; 3353 end_col = selection.end.col;
… …
3386/* 3391/*
3387 * Double click on button 3 when already selected 3392 * Double click on button 3 when already selected
3388 * EXT: button 3 double click 3393 * EXT: button 3 double click
3389 */ 3394 */
3390void ecb_cold 3395void ecb_cold
3391rxvt_term::selection_rotate (int x, int y) NOTHROW 3396rxvt_term::selection_rotate (int x, int y) noexcept
3392{ 3397{
3393 selection.clicks = selection.clicks % 3 + 1; 3398 selection.clicks = selection.clicks % 3 + 1;
3394 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1); 3399 selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3395} 3400}
3396 3401
… …
3398/* 3403/*
3399 * Respond to a request for our current selection 3404 * Respond to a request for our current selection
3400 * EXT: SelectionRequest 3405 * EXT: SelectionRequest
3401 */ 3406 */
3402void ecb_cold 3407void ecb_cold
3403rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW 3408rxvt_term::selection_send (const XSelectionRequestEvent &rq) noexcept
3404{ 3409{
3405 Atom property = rq.property == None ? rq.target : rq.property; 3410 Atom property = rq.property == None ? rq.target : rq.property;
3406 XSelectionEvent ev; 3411 XSelectionEvent ev;
3407 3412
3408 ev.type = SelectionNotify; 3413 ev.type = SelectionNotify;
… …
3542} 3547}
3543 3548
3544/* ------------------------------------------------------------------------- */ 3549/* ------------------------------------------------------------------------- */
3545#if USE_XIM 3550#if USE_XIM
3546void ecb_cold 3551void ecb_cold
3547rxvt_term::im_set_position (XPoint &pos) NOTHROW 3552rxvt_term::im_set_position (XPoint &pos) noexcept
3548{ 3553{
3549 XWindowAttributes xwa; 3554 XWindowAttributes xwa;
3550 3555
3551 XGetWindowAttributes (dpy, vt, &xwa); 3556 XGetWindowAttributes (dpy, vt, &xwa);
3552 3557
… …
3555} 3560}
3556#endif 3561#endif
3557 3562
3558#if ENABLE_OVERLAY 3563#if ENABLE_OVERLAY
3559void 3564void
3560rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW 3565rxvt_term::scr_overlay_new (int x, int y, int w, int h) noexcept
3561{ 3566{
3562 if (nrow < 1 || ncol < 1) 3567 if (nrow < 1 || ncol < 1)
3563 return; 3568 return;
3564 3569
3565 want_refresh = 1; 3570 want_refresh = 1;
… …
3610 *rp = r; 3615 *rp = r;
3611 } 3616 }
3612} 3617}
3613 3618
3614void 3619void
3615rxvt_term::scr_overlay_off () NOTHROW 3620rxvt_term::scr_overlay_off () noexcept
3616{ 3621{
3617 if (!ov.text) 3622 if (!ov.text)
3618 return; 3623 return;
3619 3624
3620 want_refresh = 1; 3625 want_refresh = 1;
… …
3628 delete [] ov.text; ov.text = 0; 3633 delete [] ov.text; ov.text = 0;
3629 delete [] ov.rend; ov.rend = 0; 3634 delete [] ov.rend; ov.rend = 0;
3630} 3635}
3631 3636
3632void 3637void
3633rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW 3638rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) noexcept
3634{ 3639{
3635 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2) 3640 if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3636 return; 3641 return;
3637 3642
3638 x++, y++; 3643 x++, y++;
… …
3640 ov.text[y][x] = text; 3645 ov.text[y][x] = text;
3641 ov.rend[y][x] = rend; 3646 ov.rend[y][x] = rend;
3642} 3647}
3643 3648
3644void 3649void
3645rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW 3650rxvt_term::scr_overlay_set (int x, int y, const char *s) noexcept
3646{ 3651{
3647 while (*s) 3652 while (*s)
3648 scr_overlay_set (x++, y, *s++); 3653 scr_overlay_set (x++, y, *s++);
3649} 3654}
3650 3655
3651void 3656void
3652rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW 3657rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) noexcept
3653{ 3658{
3654 while (*s) 3659 while (*s)
3655 { 3660 {
3656 text_t t = *s++; 3661 text_t t = *s++;
3657 int width = WCWIDTH (t); 3662 int width = WCWIDTH (t);
… …
3663 } 3668 }
3664 } 3669 }
3665} 3670}
3666 3671
3667void 3672void
3668rxvt_term::scr_swap_overlay () NOTHROW 3673rxvt_term::scr_swap_overlay () noexcept
3669{ 3674{
3670 if (!ov.text) 3675 if (!ov.text)
3671 return; 3676 return;
3672 3677
3673 // hide cursor if it is within the overlay area 3678 // hide cursor if it is within the overlay area

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