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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.415 by root, Mon May 28 14:25:16 2012 UTC vs.
Revision 1.465 by root, Thu Aug 4 18:28:44 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 2 of the License, or	11	* the Free Software Foundation; either version 3 of the License, or
11	* (at your option) any later version.	12	* (at your option) any later version.
12	*	13	*
13	* This program is distributed in the hope that it will be useful,	14	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
…		…
27	#include "../config.h" /* NECESSARY */	28	#include "../config.h" /* NECESSARY */
28	#include "rxvt.h" /* NECESSARY */	29	#include "rxvt.h" /* NECESSARY */
29	#include "rxvtperl.h" /* NECESSARY */	30	#include "rxvtperl.h" /* NECESSARY */
30		31
31	#include <inttypes.h>	32	#include <inttypes.h>
32
33	#include "salloc.C" // HACK, should be a separate compile!
34		33
35	static inline void	34	static inline void
36	fill_text (text_t *start, text_t value, int len)	35	fill_text (text_t *start, text_t value, int len)
37	{	36	{
38	while (len--)	37	while (len--)
…		…
96	* SCREEN `COMMON' ROUTINES *	95	* SCREEN `COMMON' ROUTINES *
97	* ------------------------------------------------------------------------- */	96	* ------------------------------------------------------------------------- */
98		97
99	/* Fill part/all of a line with blanks. */	98	/* Fill part/all of a line with blanks. */
100	void	99	void
101	rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW	100	rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const noexcept
102	{	101	{
103	if (!l.valid ())	102	if (!l.valid ())
104	{	103	{
105	l.alloc ();	104	l.alloc ();
106	col = 0;	105	col = 0;
…		…
108	}	107	}
109		108
110	l.touch ();	109	l.touch ();
111		110
112	efs &= ~RS_baseattrMask; // remove italic etc. fontstyles	111	efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
113	efs = SET_FONT (efs, FONTSET (efs)->find_font (' '));	112	efs = SET_FONT (efs, FONTSET (efs)->find_space_font ());
114		113
115	text_t *et = l.t + col;	114	text_t *et = l.t + col;
116	rend_t *er = l.r + col;	115	rend_t *er = l.r + col;
117		116
118	while (width--)	117	while (width--)
…		…
123	}	122	}
124		123
125	/* ------------------------------------------------------------------------- */	124	/* ------------------------------------------------------------------------- */
126	/* 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 */
127	void	126	void
128	rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW	127	rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const noexcept
129	{	128	{
130	scr_blank_line (l, 0, ncol, efs);	129	scr_blank_line (l, 0, ncol, efs);
131		130
132	l.l = 0;	131	l.l = 0;
133	l.f = 0;	132	l.f = 0;
134	}	133	}
135		134
136	// nuke a single wide character at the given column	135	// nuke a single wide character at the given column
137	void	136	void
138	rxvt_term::scr_kill_char (line_t &l, int col) const NOTHROW	137	rxvt_term::scr_kill_char (line_t &l, int col) const noexcept
139	{	138	{
140	// find begin	139	// find begin
141	while (col > 0 && l.t[col] == NOCHAR)	140	while (col > 0 && l.t[col] == NOCHAR)
142	col--;	141	col--;
143		142
144	rend_t rend = l.r[col] & ~RS_baseattrMask;	143	rend_t rend = l.r[col] & ~RS_baseattrMask;
145	rend = SET_FONT (rend, FONTSET (rend)->find_font (' '));	144	rend = SET_FONT (rend, FONTSET (rend)->find_space_font ());
146		145
147	l.touch ();	146	l.touch ();
148		147
149	// found start, nuke	148	// found start, nuke
150	do {	149	do {
…		…
152	l.r[col] = rend;	151	l.r[col] = rend;
153	col++;	152	col++;
154	} while (col < ncol && l.t[col] == NOCHAR);	153	} while (col < ncol && l.t[col] == NOCHAR);
155	}	154	}
156		155
		156	// set the rendition of a single wide character beginning at the given column
		157	void
		158	rxvt_term::scr_set_char_rend (line_t &l, int col, rend_t rend)
		159	{
		160	do {
		161	l.r[col] = rend;
		162	col++;
		163	} while (col < ncol && l.t[col] == NOCHAR);
		164	}
		165
157	/* ------------------------------------------------------------------------- *	166	/* ------------------------------------------------------------------------- *
158	* SCREEN INITIALISATION *	167	* SCREEN INITIALISATION *
159	* ------------------------------------------------------------------------- */	168	* ------------------------------------------------------------------------- */
160		169
161	void	170	void
162	rxvt_term::scr_alloc ()	171	rxvt_term::scr_alloc () noexcept
163	{	172	{
164	int tsize = sizeof (text_t) * ncol;	173	int tsize = sizeof (text_t) * ncol;
165	int rsize = sizeof (rend_t) * ncol;	174	int rsize = sizeof (rend_t) * ncol;
166		175
167	// we assume that rend_t size is a sufficient alignment	176	// we assume that rend_t size is a sufficient alignment
168	// factor for tetx_t and line_t values, and we only	177	// factor for text_t and line_t values, and we only
169	// need to adjust tsize.	178	// need to adjust tsize.
170	tsize = (tsize + sizeof (rend_t) - 1);	179	tsize = (tsize + sizeof (rend_t) - 1);
171	tsize -= tsize % sizeof (rend_t);	180	tsize -= tsize % sizeof (rend_t);
172		181
173	int all_rows = total_rows + nrow + nrow;	182	int all_rows = total_rows + nrow + nrow;
174		183
175	chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;	184	chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
176	chunk = rxvt_malloc (chunk_size);	185	chunk = chunk_alloc (chunk_size, 0);
177		186
178	char *base = (char *)chunk + sizeof (line_t) * all_rows;	187	char *base = (char *)chunk + sizeof (line_t) * all_rows;
179		188
180	for (int row = 0; row < all_rows; ++row)	189	for (int row = 0; row < all_rows; ++row)
181	{	190	{
…		…
191	swap_buf = drawn_buf + nrow;	200	swap_buf = drawn_buf + nrow;
192	row_buf = swap_buf + nrow;	201	row_buf = swap_buf + nrow;
193	}	202	}
194		203
195	void	204	void
		205	rxvt_term::copy_line (line_t &dst, line_t &src)
		206	{
		207	scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
		208	dst.l = min (src.l, ncol);
		209	memcpy (dst.t, src.t, sizeof (text_t) * dst.l);
		210	memcpy (dst.r, src.r, sizeof (rend_t) * dst.l);
		211	dst.f = src.f;
		212	}
		213
		214	void ecb_cold
196	rxvt_term::scr_reset ()	215	rxvt_term::scr_reset ()
197	{	216	{
198	#if ENABLE_OVERLAY	217	#if ENABLE_OVERLAY
199	scr_overlay_off ();	218	scr_overlay_off ();
200	#endif	219	#endif
…		…
227		246
228	screen.tscroll = 0;	247	screen.tscroll = 0;
229	screen.bscroll = nrow - 1;	248	screen.bscroll = nrow - 1;
230		249
231	void *prev_chunk = chunk;	250	void *prev_chunk = chunk;
		251	size_t prev_chunk_size = chunk_size;
232	line_t *prev_drawn_buf = drawn_buf;	252	line_t *prev_drawn_buf = drawn_buf;
233	line_t *prev_swap_buf = swap_buf;	253	line_t *prev_swap_buf = swap_buf;
234	line_t *prev_row_buf = row_buf;	254	line_t *prev_row_buf = row_buf;
235		255
236	int common_col = min (prev_ncol, ncol);
237
238	scr_alloc ();	256	scr_alloc ();
239		257
240	if (!prev_row_buf)	258	if (!prev_row_buf)
241	{	259	{
242	/*
243	* first time called so just malloc everything: don't rely on realloc
244	*/
245	top_row = 0;	260	top_row = 0;
246	term_start = 0;	261	term_start = 0;
247		262
248	memset (charsets, 'B', sizeof (charsets));	263	memset (charsets, 'B', sizeof (charsets));
249	rstyle = DEFAULT_RSTYLE;	264	rstyle = DEFAULT_RSTYLE;
…		…
274	{	289	{
275	/*	290	/*
276	* add or delete rows as appropriate	291	* add or delete rows as appropriate
277	*/	292	*/
278		293
		294	int common_col = min (prev_ncol, ncol);
		295
		296	// resize swap_buf, blank drawn_buf
279	for (int row = min (nrow, prev_nrow); row--; )	297	for (int row = min (nrow, prev_nrow); row--; )
280	{	298	{
281	scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);	299	scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
282	scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
283
284	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);
285	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);
286	memcpy (swap_buf [row].t, prev_swap_buf [row].t, sizeof (text_t) * common_col);	302
287	memcpy (swap_buf [row].r, prev_swap_buf [row].r, sizeof (rend_t) * common_col);	303	copy_line (swap_buf [row], prev_swap_buf [row]);
288	}	304	}
289		305
290	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
291	int pend = MOD (term_start + top_row , prev_total_rows);	307	int pend = MOD (term_start + top_row , prev_total_rows);
292	int q = total_rows; // rewrapped row	308	int q = total_rows; // rewrapped row
293		309
294	if (top_row)	310	#if ENABLE_FRILLS
		311	if ((rewrap_always || top_row) && !rewrap_never)
295	{	312	{
296	// 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
297	// to come up with a lean and mean algorithm.	314	// to come up with a lean and mean algorithm.
298	// TODO: maybe optimise when width didn't change	315	// TODO: maybe optimise when width didn't change
299		316
…		…
315	llen += prev_ncol;	332	llen += prev_ncol;
316	}	333	}
317		334
318	int qlines = max (0, (llen - 1) / ncol) + 1;	335	int qlines = max (0, (llen - 1) / ncol) + 1;
319		336
		337	q -= qlines;
		338
320	// drop partial lines completely	339	// drop partial lines completely
321	if (q < qlines)	340	if (q < 0)
322	break;	341	break;
323
324	q -= qlines;
325		342
326	int lofs = 0;	343	int lofs = 0;
327	line_t *qline;	344	line_t *qline;
328		345
329	// re-assemble the full line by destination lines	346	// re-assemble the full line by destination lines
…		…
371	qline->is_longer (0);	388	qline->is_longer (0);
372	scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);	389	scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
373	}	390	}
374	while (p != pend && q > 0);	391	while (p != pend && q > 0);
375		392
376	term_start = total_rows - nrow;
377	top_row = q - term_start;
378
379	// make sure all terminal lines exist	393	// make sure all terminal lines exist
380	while (top_row > 0)	394	while (top_row > 0)
381	scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);	395	scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
382	}	396	}
383	else	397	else
		398	#endif
		399	{
		400	// wing, instead of wrap
384	{	401	do
385	// if no scrollback exists (yet), wing, instead of wrap
386
387	for (int row = min (nrow, prev_nrow); row--; )
388	{	402	{
389	line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)];	403	p = MOD (p - 1, prev_total_rows);
390	line_t &dst = row_buf [row];	404	q--;
391		405
392	scr_blank_screen_mem (dst, DEFAULT_RSTYLE);	406	copy_line (row_buf [q], prev_row_buf [p]);
393
394	memcpy (dst.t, src.t, sizeof (text_t) * common_col);
395	memcpy (dst.r, src.r, sizeof (rend_t) * common_col);
396	}	407	}
		408	while (p != pend);
397		409
398	for (int row = prev_nrow; row < nrow; row++)	410	screen.cur.row += nrow - prev_nrow;
399	scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
400
401	term_start = 0;
402	}	411	}
		412
		413	term_start = total_rows - nrow;
		414	top_row = q - term_start;
403		415
404	clamp_it (screen.cur.row, 0, nrow - 1);	416	clamp_it (screen.cur.row, 0, nrow - 1);
405	clamp_it (screen.cur.col, 0, ncol - 1);	417	clamp_it (screen.cur.col, 0, ncol - 1);
406	}	418	}
407		419
		420	// ensure drawn_buf, swap_buf and terminal rows are all initialized
408	for (int row = nrow; row--; )	421	for (int row = nrow; row--; )
409	{	422	{
410	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);
411	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);
412	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);
413	}	426	}
414		427
415	free (prev_chunk);	428	chunk_free (prev_chunk, prev_chunk_size);
416		429
417	free (tabs);	430	free (tabs);
418	tabs = (char *)rxvt_malloc (ncol);	431	tabs = (char *)rxvt_malloc (ncol);
419		432
420	for (int col = ncol; col--; )	433	for (int col = ncol; col--; )
…		…
428	tt_winch ();	441	tt_winch ();
429		442
430	HOOK_INVOKE ((this, HOOK_RESET, DT_END));	443	HOOK_INVOKE ((this, HOOK_RESET, DT_END));
431	}	444	}
432		445
433	/* ------------------------------------------------------------------------- */	446	void ecb_cold
434	/*
435	* Free everything. That way malloc debugging can find leakage.
436	*/
437	void
438	rxvt_term::scr_release () NOTHROW	447	rxvt_term::scr_release () noexcept
439	{	448	{
440	free (chunk);	449	chunk_free (chunk, chunk_size);
		450	chunk = 0;
		451	row_buf = 0;
		452
441	free (tabs);	453	free (tabs);
		454	tabs = 0;
442	}	455	}
443		456
444	/* ------------------------------------------------------------------------- */	457	/* ------------------------------------------------------------------------- */
445	/*	458	/*
446	* Hard/Soft reset	459	* Hard/Soft reset
447	*/	460	*/
448	void	461	void ecb_cold
449	rxvt_term::scr_poweron ()	462	rxvt_term::scr_poweron ()
450	{	463	{
451	scr_release ();	464	scr_release ();
452		465
453	row_buf = 0;
454	tabs = 0;
455	prev_nrow = prev_ncol = 0;	466	prev_nrow = prev_ncol = 0;
456	rvideo_mode = false;	467	rvideo_mode = false;
457	scr_soft_reset ();	468	scr_soft_reset ();
458	scr_reset ();	469	scr_reset ();
459		470
460	scr_clear (true);	471	scr_clear (true);
461	scr_refresh ();	472	scr_refresh ();
462	}	473	}
463		474
464	void	475	void ecb_cold
465	rxvt_term::scr_soft_reset () NOTHROW	476	rxvt_term::scr_soft_reset () noexcept
466	{	477	{
467	/* only affects modes, nothing drastic such as clearing the screen */	478	/* only affects modes, nothing drastic such as clearing the screen */
468	#if ENABLE_OVERLAY	479	#if ENABLE_OVERLAY
469	scr_overlay_off ();	480	scr_overlay_off ();
470	#endif	481	#endif
…		…
484	* Save and Restore cursor	495	* Save and Restore cursor
485	* XTERM_SEQ: Save cursor : ESC 7	496	* XTERM_SEQ: Save cursor : ESC 7
486	* XTERM_SEQ: Restore cursor: ESC 8	497	* XTERM_SEQ: Restore cursor: ESC 8
487	*/	498	*/
488	void	499	void
489	rxvt_term::scr_cursor (cursor_mode mode) NOTHROW	500	rxvt_term::scr_cursor (cursor_mode mode) noexcept
490	{	501	{
491	screen_t *s;	502	screen_t *s;
492		503
493	#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)	504	#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
494	if (current_screen == SECONDARY)	505	if (current_screen == SECONDARY)
…		…
525	assert (s->cur.row >= 0);	536	assert (s->cur.row >= 0);
526	assert (s->cur.col >= 0);	537	assert (s->cur.col >= 0);
527	}	538	}
528		539
529	void	540	void
530	rxvt_term::scr_swap_screen () NOTHROW	541	rxvt_term::scr_swap_screen () noexcept
531	{	542	{
532	if (!option (Opt_secondaryScreen))	543	if (!option (Opt_secondaryScreen))
533	return;	544	return;
534		545
535	for (int i = prev_nrow; i--; )	546	for (int i = prev_nrow; i--; )
…		…
583	scr_scroll_text (0, prev_nrow - 1, prev_nrow);	594	scr_scroll_text (0, prev_nrow - 1, prev_nrow);
584	}	595	}
585		596
586	// clear WrapNext indicator, solidifying position on next line	597	// clear WrapNext indicator, solidifying position on next line
587	void	598	void
588	rxvt_term::scr_do_wrap () NOTHROW	599	rxvt_term::scr_do_wrap () noexcept
589	{	600	{
590	if (!(screen.flags & Screen_WrapNext))	601	if (!(screen.flags & Screen_WrapNext))
591	return;	602	return;
592		603
593	screen.flags &= ~Screen_WrapNext;	604	screen.flags &= ~Screen_WrapNext;
…		…
603	/* ------------------------------------------------------------------------- */	614	/* ------------------------------------------------------------------------- */
604	/*	615	/*
605	* Change the colour for following text	616	* Change the colour for following text
606	*/	617	*/
607	void	618	void
608	rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW	619	rxvt_term::scr_color (unsigned int color, int fgbg) noexcept
609	{	620	{
610	if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))	621	if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR24))
611	color = fgbg;	622	color = fgbg;
612		623
613	if (fgbg == Color_fg)	624	if (fgbg == Color_fg)
614	rstyle = SET_FGCOLOR (rstyle, color);	625	rstyle = SET_FGCOLOR (rstyle, color);
615	else	626	else
…		…
619	/* ------------------------------------------------------------------------- */	630	/* ------------------------------------------------------------------------- */
620	/*	631	/*
621	* Change the rendition style for following text	632	* Change the rendition style for following text
622	*/	633	*/
623	void	634	void
624	rxvt_term::scr_rendition (int set, int style) NOTHROW	635	rxvt_term::scr_rendition (int set, int style) noexcept
625	{	636	{
626	if (set)	637	if (set)
627	rstyle |= style;	638	rstyle |= style;
628	else if (style == ~RS_None)	639	else if (style == ~RS_None)
629	rstyle = DEFAULT_RSTYLE;	640	rstyle = DEFAULT_RSTYLE;
…		…
635	/*	646	/*
636	* Scroll text between <row1> and <row2> inclusive, by <count> lines	647	* Scroll text between <row1> and <row2> inclusive, by <count> lines
637	* count positive ==> scroll up	648	* count positive ==> scroll up
638	* count negative ==> scroll down	649	* count negative ==> scroll down
639	*/	650	*/
640	int	651	int ecb_hot
641	rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW	652	rxvt_term::scr_scroll_text (int row1, int row2, int count) noexcept
642	{	653	{
643	if (count == 0 || (row1 > row2))	654	if (count == 0 || (row1 > row2))
644	return 0;	655	return 0;
645		656
646	want_refresh = 1;	657	want_refresh = 1;
…		…
706		717
707	// finally move the view window, if desired	718	// finally move the view window, if desired
708	if (option (Opt_scrollWithBuffer)	719	if (option (Opt_scrollWithBuffer)
709	&& view_start != 0	720	&& view_start != 0
710	&& view_start != -saveLines)	721	&& view_start != -saveLines)
711	scr_page (UP, count);	722	scr_page (count);
712		723
713	if (SHOULD_INVOKE (HOOK_SCROLL_BACK))	724	if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
714	HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));	725	HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
715	}	726	}
716	else	727	else
…		…
779		790
780	/* ------------------------------------------------------------------------- */	791	/* ------------------------------------------------------------------------- */
781	/*	792	/*
782	* Add text given in <str> of length <len> to screen struct	793	* Add text given in <str> of length <len> to screen struct
783	*/	794	*/
784	void	795	void ecb_hot
785	rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW	796	rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) noexcept
786	{	797	{
787	if (len <= 0) /* sanity */	798	if (len <= 0) /* sanity */
788	return;	799	return;
789		800
790	bool checksel;	801	bool checksel;
…		…
1002	}	1013	}
1003	else if (screen.cur.row > 0	1014	else if (screen.cur.row > 0
1004	&& ROW(screen.cur.row - 1).is_longer ())	1015	&& ROW(screen.cur.row - 1).is_longer ())
1005	{	1016	{
1006	linep = &ROW(screen.cur.row - 1);	1017	linep = &ROW(screen.cur.row - 1);
1007	tp = line->t + ncol - 1;	1018	tp = linep->t + ncol - 1;
1008	rp = line->r + ncol - 1;	1019	rp = linep->r + ncol - 1;
1009	}	1020	}
1010	else	1021	else
1011	continue;	1022	continue;
1012		1023
1013	linep->touch ();	1024	linep->touch ();
…		…
1036	/*	1047	/*
1037	* 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
1038	* XTERM_SEQ: CTRL-H	1049	* XTERM_SEQ: CTRL-H
1039	*/	1050	*/
1040	void	1051	void
1041	rxvt_term::scr_backspace () NOTHROW	1052	rxvt_term::scr_backspace () noexcept
1042	{	1053	{
1043	if (screen.cur.col == 0)	1054	if (screen.cur.col == 0)
1044	{	1055	{
1045	if (screen.cur.row > 0)	1056	if (screen.cur.row > 0)
1046	{	1057	{
…		…
1063	* Process Horizontal Tab	1074	* Process Horizontal Tab
1064	* count: +ve = forward; -ve = backwards	1075	* count: +ve = forward; -ve = backwards
1065	* XTERM_SEQ: CTRL-I	1076	* XTERM_SEQ: CTRL-I
1066	*/	1077	*/
1067	void	1078	void
1068	rxvt_term::scr_tab (int count, bool ht) NOTHROW	1079	rxvt_term::scr_tab (int count, bool ht) noexcept
1069	{	1080	{
1070	int i, x;	1081	int i, x;
1071		1082
1072	want_refresh = 1;	1083	want_refresh = 1;
1073	i = x = screen.cur.col;	1084	i = x = screen.cur.col;
…		…
1139	* XTERM_SEQ: ESC 6	1150	* XTERM_SEQ: ESC 6
1140	* 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
1141	* in that row right. Clear left column.	1152	* in that row right. Clear left column.
1142	*/	1153	*/
1143	#if !ENABLE_MINIMAL	1154	#if !ENABLE_MINIMAL
1144	void	1155	void ecb_cold
1145	rxvt_term::scr_backindex () NOTHROW	1156	rxvt_term::scr_backindex () noexcept
1146	{	1157	{
1147	if (screen.cur.col > 0)	1158	if (screen.cur.col > 0)
1148	scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);	1159	scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1149	else	1160	else
1150	scr_insdel_chars (1, INSERT);	1161	scr_insdel_chars (1, INSERT);
…		…
1156	* XTERM_SEQ: ESC 9	1167	* XTERM_SEQ: ESC 9
1157	* 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
1158	* in that row left. Clear right column.	1169	* in that row left. Clear right column.
1159	*/	1170	*/
1160	#if !ENABLE_MINIMAL	1171	#if !ENABLE_MINIMAL
1161	void	1172	void ecb_cold
1162	rxvt_term::scr_forwardindex () NOTHROW	1173	rxvt_term::scr_forwardindex () noexcept
1163	{	1174	{
1164	if (screen.cur.col < ncol - 1)	1175	if (screen.cur.col < ncol - 1)
1165	scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);	1176	scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1166	else	1177	else
1167	{	1178	{
…		…
1180	/* ------------------------------------------------------------------------- */	1191	/* ------------------------------------------------------------------------- */
1181	/*	1192	/*
1182	* Goto Row/Column	1193	* Goto Row/Column
1183	*/	1194	*/
1184	void	1195	void
1185	rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW	1196	rxvt_term::scr_gotorc (int row, int col, int relative) noexcept
1186	{	1197	{
1187	want_refresh = 1;	1198	want_refresh = 1;
1188	ZERO_SCROLLBACK ();	1199	ZERO_SCROLLBACK ();
1189		1200
1190	screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;	1201	screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
…		…
1229	/* ------------------------------------------------------------------------- */	1240	/* ------------------------------------------------------------------------- */
1230	/*	1241	/*
1231	* direction should be UP or DN	1242	* direction should be UP or DN
1232	*/	1243	*/
1233	void	1244	void
1234	rxvt_term::scr_index (enum page_dirn direction) NOTHROW	1245	rxvt_term::scr_index (enum page_dirn direction) noexcept
1235	{	1246	{
1236	int dirn;
1237
1238	want_refresh = 1;	1247	want_refresh = 1;
1239	ZERO_SCROLLBACK ();	1248	ZERO_SCROLLBACK ();
1240		1249
1241	dirn = ((direction == UP) ? 1 : -1);
1242
1243	screen.flags &= ~Screen_WrapNext;	1250	screen.flags &= ~Screen_WrapNext;
1244		1251
1245	if ((screen.cur.row == screen.bscroll && direction == UP)	1252	if ((screen.cur.row == screen.bscroll && direction == UP)
1246	|| (screen.cur.row == screen.tscroll && direction == DN))	1253	|| (screen.cur.row == screen.tscroll && direction == DN))
1247	scr_scroll_text (screen.tscroll, screen.bscroll, dirn);	1254	scr_scroll_text (screen.tscroll, screen.bscroll, direction);
1248	else	1255	else
1249	screen.cur.row += dirn;	1256	screen.cur.row += direction;
1250		1257
1251	clamp_it (screen.cur.row, 0, nrow - 1);	1258	clamp_it (screen.cur.row, 0, nrow - 1);
1252	selection_check (0);	1259	selection_check (0);
1253	}	1260	}
1254		1261
…		…
1259	* XTERM_SEQ: Clear line to left : ESC [ 1 K	1266	* XTERM_SEQ: Clear line to left : ESC [ 1 K
1260	* XTERM_SEQ: Clear whole line : ESC [ 2 K	1267	* XTERM_SEQ: Clear whole line : ESC [ 2 K
1261	* extension: clear to right unless wrapped: ESC [ 3 K	1268	* extension: clear to right unless wrapped: ESC [ 3 K
1262	*/	1269	*/
1263	void	1270	void
1264	rxvt_term::scr_erase_line (int mode) NOTHROW	1271	rxvt_term::scr_erase_line (int mode) noexcept
1265	{	1272	{
1266	unsigned int col, num;	1273	unsigned int col, num;
1267		1274
1268	want_refresh = 1;	1275	want_refresh = 1;
1269	ZERO_SCROLLBACK ();	1276	ZERO_SCROLLBACK ();
…		…
1323	* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J	1330	* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1324	* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J	1331	* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1325	* XTERM_SEQ: Clear whole screen : ESC [ 2 J	1332	* XTERM_SEQ: Clear whole screen : ESC [ 2 J
1326	*/	1333	*/
1327	void	1334	void
1328	rxvt_term::scr_erase_screen (int mode) NOTHROW	1335	rxvt_term::scr_erase_screen (int mode) noexcept
1329	{	1336	{
1330	int num;	1337	int num;
1331	int32_t row;	1338	int32_t row;
1332	rend_t ren;	1339	rend_t ren;
1333	XGCValues gcvalue;	1340	XGCValues gcvalue;
…		…
1403	}	1410	}
1404	}	1411	}
1405		1412
1406	#if !ENABLE_MINIMAL	1413	#if !ENABLE_MINIMAL
1407	void	1414	void
1408	rxvt_term::scr_erase_savelines () NOTHROW	1415	rxvt_term::scr_erase_savelines () noexcept
1409	{	1416	{
1410	want_refresh = 1;	1417	want_refresh = 1;
1411	ZERO_SCROLLBACK ();	1418	ZERO_SCROLLBACK ();
1412		1419
1413	top_row = 0;	1420	top_row = 0;
…		…
1417	/* ------------------------------------------------------------------------- */	1424	/* ------------------------------------------------------------------------- */
1418	/*	1425	/*
1419	* Fill the screen with `E's	1426	* Fill the screen with `E's
1420	* XTERM_SEQ: Screen Alignment Test: ESC # 8	1427	* XTERM_SEQ: Screen Alignment Test: ESC # 8
1421	*/	1428	*/
1422	void	1429	void ecb_cold
1423	rxvt_term::scr_E () NOTHROW	1430	rxvt_term::scr_E () noexcept
1424	{	1431	{
1425	rend_t fs;	1432	rend_t fs;
1426		1433
1427	want_refresh = 1;	1434	want_refresh = 1;
1428	ZERO_SCROLLBACK ();	1435	ZERO_SCROLLBACK ();
…		…
1453	/* ------------------------------------------------------------------------- */	1460	/* ------------------------------------------------------------------------- */
1454	/*	1461	/*
1455	* Insert/Delete <count> lines	1462	* Insert/Delete <count> lines
1456	*/	1463	*/
1457	void	1464	void
1458	rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW	1465	rxvt_term::scr_insdel_lines (int count, int insdel) noexcept
1459	{	1466	{
1460	int end;	1467	int end;
1461		1468
1462	ZERO_SCROLLBACK ();	1469	ZERO_SCROLLBACK ();
1463		1470
…		…
1483	/* ------------------------------------------------------------------------- */	1490	/* ------------------------------------------------------------------------- */
1484	/*	1491	/*
1485	* Insert/Delete <count> characters from the current position	1492	* Insert/Delete <count> characters from the current position
1486	*/	1493	*/
1487	void	1494	void
1488	rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW	1495	rxvt_term::scr_insdel_chars (int count, int insdel) noexcept
1489	{	1496	{
1490	want_refresh = 1;	1497	want_refresh = 1;
1491	ZERO_SCROLLBACK ();	1498	ZERO_SCROLLBACK ();
1492		1499
1493	if (count <= 0)	1500	if (count <= 0)
…		…
1591	/* ------------------------------------------------------------------------- */	1598	/* ------------------------------------------------------------------------- */
1592	/*	1599	/*
1593	* Set the scrolling region	1600	* Set the scrolling region
1594	* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r	1601	* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1595	*/	1602	*/
1596	void	1603	void ecb_cold
1597	rxvt_term::scr_scroll_region (int top, int bot) NOTHROW	1604	rxvt_term::scr_scroll_region (int top, int bot) noexcept
1598	{	1605	{
1599	max_it (top, 0);	1606	max_it (top, 0);
1600	min_it (bot, nrow - 1);	1607	min_it (bot, nrow - 1);
1601		1608
1602	if (top > bot)	1609	if (top > bot)
…		…
1611	/*	1618	/*
1612	* Make the cursor visible/invisible	1619	* Make the cursor visible/invisible
1613	* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h	1620	* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1614	* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l	1621	* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1615	*/	1622	*/
1616	void	1623	void ecb_cold
1617	rxvt_term::scr_cursor_visible (int mode) NOTHROW	1624	rxvt_term::scr_cursor_visible (int mode) noexcept
1618	{	1625	{
1619	want_refresh = 1;	1626	want_refresh = 1;
1620		1627
1621	if (mode)	1628	if (mode)
1622	screen.flags |= Screen_VisibleCursor;	1629	screen.flags |= Screen_VisibleCursor;
…		…
1628	/*	1635	/*
1629	* Set/unset automatic wrapping	1636	* Set/unset automatic wrapping
1630	* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h	1637	* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1631	* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l	1638	* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1632	*/	1639	*/
1633	void	1640	void ecb_cold
1634	rxvt_term::scr_autowrap (int mode) NOTHROW	1641	rxvt_term::scr_autowrap (int mode) noexcept
1635	{	1642	{
1636	if (mode)	1643	if (mode)
1637	screen.flags |= Screen_Autowrap;	1644	screen.flags |= Screen_Autowrap;
1638	else	1645	else
1639	screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);	1646	screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
…		…
1647	* Relative mode: line numbers are relative to top margin of scrolling region	1654	* Relative mode: line numbers are relative to top margin of scrolling region
1648	* and the cursor cannot be moved outside.	1655	* and the cursor cannot be moved outside.
1649	* XTERM_SEQ: Set Absolute: ESC [ ? 6 h	1656	* XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1650	* XTERM_SEQ: Set Relative: ESC [ ? 6 l	1657	* XTERM_SEQ: Set Relative: ESC [ ? 6 l
1651	*/	1658	*/
1652	void	1659	void ecb_cold
1653	rxvt_term::scr_relative_origin (int mode) NOTHROW	1660	rxvt_term::scr_relative_origin (int mode) noexcept
1654	{	1661	{
1655	if (mode)	1662	if (mode)
1656	screen.flags |= Screen_Relative;	1663	screen.flags |= Screen_Relative;
1657	else	1664	else
1658	screen.flags &= ~Screen_Relative;	1665	screen.flags &= ~Screen_Relative;
…		…
1664	/*	1671	/*
1665	* Set insert/replace mode	1672	* Set insert/replace mode
1666	* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h	1673	* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1667	* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l	1674	* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1668	*/	1675	*/
1669	void	1676	void ecb_cold
1670	rxvt_term::scr_insert_mode (int mode) NOTHROW	1677	rxvt_term::scr_insert_mode (int mode) noexcept
1671	{	1678	{
1672	if (mode)	1679	if (mode)
1673	screen.flags |= Screen_Insert;	1680	screen.flags |= Screen_Insert;
1674	else	1681	else
1675	screen.flags &= ~Screen_Insert;	1682	screen.flags &= ~Screen_Insert;
…		…
1680	* Set/Unset tabs	1687	* Set/Unset tabs
1681	* XTERM_SEQ: Set tab at current column : ESC H	1688	* XTERM_SEQ: Set tab at current column : ESC H
1682	* XTERM_SEQ: Clear tab at current column: ESC [ 0 g	1689	* XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1683	* XTERM_SEQ: Clear all tabs : ESC [ 3 g	1690	* XTERM_SEQ: Clear all tabs : ESC [ 3 g
1684	*/	1691	*/
1685	void	1692	void ecb_cold
1686	rxvt_term::scr_set_tab (int mode) NOTHROW	1693	rxvt_term::scr_set_tab (int mode) noexcept
1687	{	1694	{
1688	if (mode < 0)	1695	if (mode < 0)
1689	memset (tabs, 0, ncol);	1696	memset (tabs, 0, ncol);
1690	else if (screen.cur.col < ncol)	1697	else if (screen.cur.col < ncol)
1691	tabs [screen.cur.col] = !!mode;	1698	tabs [screen.cur.col] = !!mode;
…		…
1696	* Set reverse/normal video	1703	* Set reverse/normal video
1697	* XTERM_SEQ: Reverse video: ESC [ ? 5 h	1704	* XTERM_SEQ: Reverse video: ESC [ ? 5 h
1698	* XTERM_SEQ: Normal video : ESC [ ? 5 l	1705	* XTERM_SEQ: Normal video : ESC [ ? 5 l
1699	*/	1706	*/
1700	void	1707	void
1701	rxvt_term::scr_rvideo_mode (bool on) NOTHROW	1708	rxvt_term::scr_rvideo_mode (bool on) noexcept
1702	{	1709	{
1703	rvideo_mode = on;	1710	rvideo_mode = on;
1704		1711
1705	#ifndef NO_BELL	1712	#ifndef NO_BELL
1706	on ^= rvideo_bell;	1713	on ^= rvideo_bell;
…		…
1708		1715
1709	if (rvideo_state != on)	1716	if (rvideo_state != on)
1710	{	1717	{
1711	rvideo_state = on;	1718	rvideo_state = on;
1712		1719
		1720	#if OFF_FOCUS_FADING
		1721	if (rs[Rs_fade])
		1722	{
		1723	::swap (pix_colors_focused[Color_fg], pix_colors_focused[Color_bg]);
		1724	::swap (pix_colors_unfocused[Color_fg], pix_colors_unfocused[Color_bg]);
		1725	}
		1726	else
		1727	#endif
1713	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);	1728	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1714	#ifdef HAVE_BG_PIXMAP	1729	#ifdef HAVE_IMG
1715	if (bg_pixmap == None)	1730	if (bg_img == 0)
1716	#endif	1731	#endif
1717	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);	1732	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1718		1733
1719	XGCValues gcvalue;	1734	XGCValues gcvalue;
1720	gcvalue.foreground = pix_colors[Color_fg];	1735	gcvalue.foreground = pix_colors[Color_fg];
…		…
1729	/* ------------------------------------------------------------------------- */	1744	/* ------------------------------------------------------------------------- */
1730	/*	1745	/*
1731	* Report current cursor position	1746	* Report current cursor position
1732	* XTERM_SEQ: Report position: ESC [ 6 n	1747	* XTERM_SEQ: Report position: ESC [ 6 n
1733	*/	1748	*/
1734	void	1749	void ecb_cold
1735	rxvt_term::scr_report_position () NOTHROW	1750	rxvt_term::scr_report_position () noexcept
1736	{	1751	{
1737	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);
1738	}	1753	}
1739		1754
1740	/* ------------------------------------------------------------------------- *	1755	/* ------------------------------------------------------------------------- *
…		…
1742	* ------------------------------------------------------------------------- */	1757	* ------------------------------------------------------------------------- */
1743		1758
1744	/*	1759	/*
1745	* Set font style	1760	* Set font style
1746	*/	1761	*/
1747	void	1762	void ecb_cold
1748	rxvt_term::set_font_style () NOTHROW	1763	rxvt_term::set_font_style () noexcept
1749	{	1764	{
1750	#if 0	1765	#if 0
1751	switch (charsets [screen.charset])	1766	switch (charsets [screen.charset])
1752	{	1767	{
1753	case '0': /* DEC Special Character & Line Drawing Set */	1768	case '0': /* DEC Special Character & Line Drawing Set */
…		…
1774	* XTERM_SEQ: Invoke G0 character set: CTRL-O	1789	* XTERM_SEQ: Invoke G0 character set: CTRL-O
1775	* XTERM_SEQ: Invoke G1 character set: CTRL-N	1790	* XTERM_SEQ: Invoke G1 character set: CTRL-N
1776	* XTERM_SEQ: Invoke G2 character set: ESC N	1791	* XTERM_SEQ: Invoke G2 character set: ESC N
1777	* XTERM_SEQ: Invoke G3 character set: ESC O	1792	* XTERM_SEQ: Invoke G3 character set: ESC O
1778	*/	1793	*/
1779	void	1794	void ecb_cold
1780	rxvt_term::scr_charset_choose (int set) NOTHROW	1795	rxvt_term::scr_charset_choose (int set) noexcept
1781	{	1796	{
1782	screen.charset = set;	1797	screen.charset = set;
1783	set_font_style ();	1798	set_font_style ();
1784	}	1799	}
1785		1800
…		…
1791	* XTERM_SEQ: Set G2 character set: ESC * <C>	1806	* XTERM_SEQ: Set G2 character set: ESC * <C>
1792	* XTERM_SEQ: Set G3 character set: ESC + <C>	1807	* XTERM_SEQ: Set G3 character set: ESC + <C>
1793	* See set_font_style for possible values for <C>	1808	* See set_font_style for possible values for <C>
1794	*/	1809	*/
1795	void	1810	void
1796	rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW	1811	rxvt_term::scr_charset_set (int set, unsigned int ch) noexcept
1797	{	1812	{
1798	charsets[set] = (unsigned char)ch;	1813	charsets[set] = (unsigned char)ch;
1799	set_font_style ();	1814	set_font_style ();
1800	}	1815	}
1801		1816
…		…
1805	* ------------------------------------------------------------------------- */	1820	* ------------------------------------------------------------------------- */
1806		1821
1807	/*	1822	/*
1808	* refresh matching text.	1823	* refresh matching text.
1809	*/	1824	*/
1810	bool	1825	bool ecb_cold
1811	rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW	1826	rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) noexcept
1812	{	1827	{
1813	bool found = false;	1828	bool found = false;
1814		1829
1815	for (int i = 0; i < nrow; i++)	1830	for (int i = 0; i < nrow; i++)
1816	{	1831	{
…		…
1834	PART_BEG = 0,	1849	PART_BEG = 0,
1835	PART_END,	1850	PART_END,
1836	RC_COUNT	1851	RC_COUNT
1837	};	1852	};
1838		1853
1839	void	1854	void ecb_hot
1840	rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW	1855	rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) noexcept
1841	{	1856	{
1842	int i;	1857	int i;
1843	row_col_t rc[RC_COUNT];	1858	row_col_t rc[RC_COUNT];
1844		1859
1845	if (!drawn_buf) /* sanity check */	1860	if (!drawn_buf) /* sanity check */
…		…
1879	/* ------------------------------------------------------------------------- */	1894	/* ------------------------------------------------------------------------- */
1880	/*	1895	/*
1881	* Refresh the entire screen	1896	* Refresh the entire screen
1882	*/	1897	*/
1883	void	1898	void
1884	rxvt_term::scr_touch (bool refresh) NOTHROW	1899	rxvt_term::scr_touch (bool refresh) noexcept
1885	{	1900	{
1886	scr_expose (0, 0, vt_width, vt_height, refresh);	1901	scr_expose (0, 0, vt_width, vt_height, refresh);
1887	}	1902	}
1888		1903
1889	/* ------------------------------------------------------------------------- */	1904	/* ------------------------------------------------------------------------- */
1890	/*	1905	/*
1891	* 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
1892	* the top of the screen	1907	* the top of the screen
1893	*/	1908	*/
1894	void	1909	void
1895	rxvt_term::scr_move_to (int y, int len) NOTHROW	1910	rxvt_term::scr_move_to (int y, int len) noexcept
1896	{	1911	{
1897	scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));	1912	// lerp (y, 0, len, top_row, nrow - 1)
		1913	scr_changeview (top_row + (nrow - 1 - top_row) * y / len);
1898	}	1914	}
1899		1915
1900	/* ------------------------------------------------------------------------- */	1916	/* ------------------------------------------------------------------------- */
1901	/*	1917	/*
1902	* Page the screen up/down nlines	1918	* Page the screen up/down nlines
1903	* direction should be UP or DN	1919	* direction should be UP or DN
1904	*/	1920	*/
1905	bool	1921	bool
1906	rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW	1922	rxvt_term::scr_page (int nlines) noexcept
1907	{	1923	{
1908	int new_view_start =
1909	direction == UP ? view_start - nlines
1910	: view_start + nlines;
1911
1912	return scr_changeview (new_view_start);	1924	return scr_changeview (view_start - nlines);
1913	}	1925	}
1914		1926
1915	bool	1927	bool
1916	rxvt_term::scr_changeview (int new_view_start) NOTHROW	1928	rxvt_term::scr_changeview (int new_view_start) noexcept
1917	{	1929	{
1918	clamp_it (new_view_start, top_row, 0);	1930	clamp_it (new_view_start, top_row, 0);
1919		1931
1920	if (new_view_start == view_start)	1932	if (new_view_start == view_start)
1921	return false;	1933	return false;
…		…
1939	}	1951	}
1940	#endif	1952	#endif
1941		1953
1942	/* ------------------------------------------------------------------------- */	1954	/* ------------------------------------------------------------------------- */
1943	void	1955	void
1944	rxvt_term::scr_bell () NOTHROW	1956	rxvt_term::scr_bell () noexcept
1945	{	1957	{
1946	#ifndef NO_BELL	1958	#ifndef NO_BELL
1947		1959
1948	# ifndef NO_MAPALERT	1960	# ifndef NO_MAPALERT
1949	# ifdef MAPALERT_OPTION	1961	# ifdef MAPALERT_OPTION
…		…
1970	HOOK_INVOKE ((this, HOOK_BELL, DT_END));	1982	HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1971	#endif	1983	#endif
1972	}	1984	}
1973		1985
1974	/* ------------------------------------------------------------------------- */	1986	/* ------------------------------------------------------------------------- */
1975	void	1987	void ecb_cold
1976	rxvt_term::scr_printscreen (int fullhist) NOTHROW	1988	rxvt_term::scr_printscreen (int fullhist) noexcept
1977	{	1989	{
1978	#ifdef PRINTPIPE	1990	#ifdef PRINTPIPE
1979	int nrows, row_start;	1991	int nrows, row_start;
1980	FILE *fd = popen_printer ();	1992	FILE *fd = popen_printer ();
1981		1993
…		…
2029	/*	2041	/*
2030	* Refresh the screen	2042	* Refresh the screen
2031	* drawn_text/drawn_rend contain the screen information before the update.	2043	* drawn_text/drawn_rend contain the screen information before the update.
2032	* screen.text/screen.rend contain what the screen will change to.	2044	* screen.text/screen.rend contain what the screen will change to.
2033	*/	2045	*/
2034	void	2046	void ecb_hot
2035	rxvt_term::scr_refresh () NOTHROW	2047	rxvt_term::scr_refresh () noexcept
2036	{	2048	{
2037	int16_t col, row, /* column/row we're processing */	2049	int16_t col, row, /* column/row we're processing */
2038	ocrow; /* old cursor row */	2050	ocrow; /* old cursor row */
2039	int i; /* tmp */	2051	int i; /* tmp */
2040	#ifndef NO_CURSORCOLOR
2041	rend_t cc1; /* store colours at cursor position (s) */
2042	#endif
2043	rend_t *crp; // cursor rendition pointer
2044	rend_t ccol1, /* Cursor colour */	2052	rend_t ccol1, /* Cursor colour */
2045	ccol2; /* Cursor colour2 */	2053	ccol2; /* Cursor colour2 */
		2054	rend_t cur_rend;
		2055	int cur_col;
		2056	int cursorwidth;
2046		2057
2047	want_refresh = 0; /* screen is current */	2058	want_refresh = 0; /* screen is current */
2048		2059
2049	if (refresh_type == NO_REFRESH || !mapped)	2060	if (refresh_type == NO_REFRESH || !mapped)
2050	return;	2061	return;
…		…
2054	*/	2065	*/
2055	refresh_count = 0;	2066	refresh_count = 0;
2056		2067
2057	unsigned int old_screen_flags = screen.flags;	2068	unsigned int old_screen_flags = screen.flags;
2058	bool have_bg = 0;	2069	bool have_bg = 0;
2059	#ifdef HAVE_BG_PIXMAP	2070	#ifdef HAVE_IMG
2060	have_bg = bg_pixmap != None;	2071	have_bg = bg_img != 0;
2061	#endif	2072	#endif
2062	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */	2073	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2063		2074
2064	/*	2075	/*
2065	* B: reverse any characters which are selected	2076	* B: reverse any characters which are selected
…		…
2075		2086
2076	/*	2087	/*
2077	* C: set the cursor character (s)	2088	* C: set the cursor character (s)
2078	*/	2089	*/
2079	{	2090	{
2080	bool setoldcursor;
2081
2082	#ifdef CURSOR_BLINK	2091	#ifdef CURSOR_BLINK
2083	if (hidden_cursor)	2092	if (hidden_cursor)
2084	showcursor = 0;	2093	showcursor = 0;
2085	#endif	2094	#endif
2086		2095
…		…
2089	int col = screen.cur.col;	2098	int col = screen.cur.col;
2090		2099
2091	while (col && ROW(screen.cur.row).t[col] == NOCHAR)	2100	while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2092	col--;	2101	col--;
2093		2102
		2103	cursorwidth = 1;
		2104	while (col + cursorwidth < ncol
		2105	&& ROW(screen.cur.row).t[col + cursorwidth] == NOCHAR)
		2106	cursorwidth++;
		2107
2094	crp = &ROW(screen.cur.row).r[col];	2108	cur_rend = ROW(screen.cur.row).r[col];
		2109	cur_col = col;
2095		2110
2096	#ifndef NO_CURSORCOLOR	2111	#ifndef NO_CURSORCOLOR
2097	cc1 = *crp & (RS_fgMask | RS_bgMask);
2098	if (ISSET_PIXCOLOR (Color_cursor))	2112	if (ISSET_PIXCOLOR (Color_cursor))
2099	ccol1 = Color_cursor;	2113	ccol1 = Color_cursor;
2100	else	2114	else
2101	#endif	2115	#endif
2102	#ifdef CURSOR_COLOR_IS_RENDITION_COLOR	2116	#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
…		…
2114	ccol2 = bgcolor_of (rstyle);	2128	ccol2 = bgcolor_of (rstyle);
2115	#else	2129	#else
2116	ccol2 = Color_bg;	2130	ccol2 = Color_bg;
2117	#endif	2131	#endif
2118		2132
2119	if (focus)	2133	if (focus && cursor_type == 0)
2120	{	2134	{
2121	if (option (Opt_cursorUnderline))	2135	rend_t rend = cur_rend;
2122	*crp ^= RS_Uline;	2136
2123	else
2124	{
2125	*crp ^= RS_RVid;	2137	rend ^= RS_RVid;
2126	*crp = SET_FGCOLOR (*crp, ccol1);	2138	rend = SET_FGCOLOR (rend, ccol1);
2127	*crp = SET_BGCOLOR (*crp, ccol2);	2139	rend = SET_BGCOLOR (rend, ccol2);
2128	}	2140
		2141	scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
2129	}	2142	}
2130	}	2143	}
2131		2144
2132	/* make sure no outline cursor is left around */	2145	/* make sure no outline cursor is left around */
2133	setoldcursor = 0;	2146	if (ocrow != -1 && ocrow < nrow && oldcursor.col < ncol)
2134	if (ocrow != -1)	2147	drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
		2148
		2149	// save the current cursor coordinates if the cursor is visible
		2150	// and either the window is unfocused or the cursor style is
		2151	// underline or vertical bar, so as to clear the outline cursor in
		2152	// the next refresh if the cursor moves or becomes invisible
		2153	if (showcursor && (!focus || cursor_type != 0) && screen.cur.row - view_start < nrow)
2135	{	2154	{
2136	if (screen.cur.row - view_start != ocrow	2155	oldcursor.row = screen.cur.row - view_start;
2137	|| screen.cur.col != oldcursor.col)	2156	oldcursor.col = screen.cur.col;
2138	{
2139	if (ocrow < nrow
2140	&& oldcursor.col < ncol)
2141	drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2142
2143	if (focus || !showcursor)
2144	oldcursor.row = -1;
2145	else
2146	setoldcursor = 1;
2147	}
2148	}	2157	}
2149	else if (!focus)	2158	else
2150	setoldcursor = 1;
2151
2152	if (setoldcursor)
2153	{
2154	if (screen.cur.row - view_start >= nrow)
2155	oldcursor.row = -1;	2159	oldcursor.row = -1;
2156	else
2157	{
2158	oldcursor.row = screen.cur.row - view_start;
2159	oldcursor.col = screen.cur.col;
2160	}
2161	}
2162	}	2160	}
2163		2161
2164	#ifndef NO_SLOW_LINK_SUPPORT	2162	#ifndef NO_SLOW_LINK_SUPPORT
2165	/*	2163	/*
2166	* D: CopyArea pass - very useful for slower links	2164	* D: CopyArea pass - very useful for slower links
…		…
2247	int ypixel = (int)Row2Pixel (row);	2245	int ypixel = (int)Row2Pixel (row);
2248		2246
2249	for (col = 0; col < ncol; col++)	2247	for (col = 0; col < ncol; col++)
2250	{	2248	{
2251	/* compare new text with old - if exactly the same then continue */	2249	/* compare new text with old - if exactly the same then continue */
2252	if (stp[col] == dtp[col] /* Must match characters to skip. */	2250	if (stp[col] == dtp[col] && RS_SAME (srp[col], drp[col]))
2253	&& (RS_SAME (srp[col], drp[col]) /* Either rendition the same or */
2254	|| (stp[col] == ' ' /* space w/ no background change */
2255	&& GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2256	continue;	2251	continue;
2257		2252
2258	// redraw one or more characters	2253	// redraw one or more characters
2259		2254
2260	// seek to the beginning of wide characters	2255	// seek to the beginning of wide characters
…		…
2432	else	2427	else
2433	font->draw (*drawable, xpixel, ypixel, text, count, fore, back);	2428	font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2434		2429
2435	if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))	2430	if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2436	{	2431	{
		2432	if (showcursor && focus && row == screen.cur.row
		2433	&& IN_RANGE_EXC (col, cur_col, cur_col + cursorwidth))
		2434	XSetForeground (dpy, gc, pix_colors[ccol1]);
		2435	else
2437	#if ENABLE_FRILLS	2436	#if ENABLE_FRILLS
2438	if (ISSET_PIXCOLOR (Color_underline))	2437	if (ISSET_PIXCOLOR (Color_underline))
2439	XSetForeground (dpy, gc, pix_colors[Color_underline]);	2438	XSetForeground (dpy, gc, pix_colors[Color_underline]);
2440	else	2439	else
2441	#endif	2440	#endif
…		…
2453	*/	2452	*/
2454	if (showcursor)	2453	if (showcursor)
2455	{	2454	{
2456	if (focus)	2455	if (focus)
2457	{	2456	{
2458	if (option (Opt_cursorUnderline))	2457	if (cursor_type == 0)
2459	*crp ^= RS_Uline;	2458	scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2460	else	2459	else if (oldcursor.row >= 0)
2461	{	2460	{
2462	*crp ^= RS_RVid;	2461	XSetForeground (dpy, gc, pix_colors[ccol1]);
2463	#ifndef NO_CURSORCOLOR	2462	if (cursor_type == 1)
2464	*crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1;	2463	XFillRectangle (dpy, vt, gc,
2465	#endif	2464	Col2Pixel (cur_col),
		2465	Row2Pixel (oldcursor.row + 1) - 2,
		2466	Width2Pixel (1),
		2467	2);
		2468	else
		2469	XFillRectangle (dpy, vt, gc,
		2470	Col2Pixel (cur_col),
		2471	Row2Pixel (oldcursor.row),
		2472	2,
		2473	Height2Pixel (1));
2466	}	2474	}
2467	}	2475	}
2468	else if (oldcursor.row >= 0)	2476	else if (oldcursor.row >= 0)
2469	{	2477	{
2470	int cursorwidth = 1;
2471	int col = oldcursor.col;
2472
2473	while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2474	col--;
2475
2476	while (col + cursorwidth < ncol
2477	&& drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2478	cursorwidth++;
2479
2480	#ifndef NO_CURSORCOLOR
2481	if (ISSET_PIXCOLOR (Color_cursor))
2482	XSetForeground (dpy, gc, pix_colors[Color_cursor]);
2483	else
2484	#endif
2485	XSetForeground (dpy, gc, pix_colors[ccol1]);	2478	XSetForeground (dpy, gc, pix_colors[ccol1]);
2486		2479
2487	XDrawRectangle (dpy, vt, gc,	2480	XDrawRectangle (dpy, vt, gc,
2488	Col2Pixel (col),	2481	Col2Pixel (cur_col),
2489	Row2Pixel (oldcursor.row),	2482	Row2Pixel (oldcursor.row),
2490	(unsigned int) (Width2Pixel (cursorwidth) - 1),	2483	(unsigned int) (Width2Pixel (cursorwidth) - 1),
2491	(unsigned int) (Height2Pixel (1) - 1));	2484	(unsigned int) (Height2Pixel (1) - 1));
2492	}	2485	}
2493	}	2486	}
…		…
2505	screen.flags = old_screen_flags;	2498	screen.flags = old_screen_flags;
2506	num_scr = 0;	2499	num_scr = 0;
2507	num_scr_allow = 1;	2500	num_scr_allow = 1;
2508	}	2501	}
2509		2502
2510	void	2503	void ecb_cold
2511	rxvt_term::scr_remap_chars (line_t &l) NOTHROW	2504	rxvt_term::scr_remap_chars (line_t &l) noexcept
2512	{	2505	{
2513	if (!l.valid ())	2506	if (!l.valid ())
2514	return;	2507	return;
2515		2508
2516	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
2517		2510
2518	for (int i = ncol; i--; )	2511	for (int i = ncol; i--; )
2519	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]));
2520	}	2513	}
2521		2514
2522	void	2515	void ecb_cold
2523	rxvt_term::scr_remap_chars () NOTHROW	2516	rxvt_term::scr_remap_chars () noexcept
2524	{	2517	{
2525	for (int i = total_rows; i--; )	2518	for (int i = total_rows; i--; )
2526	scr_remap_chars (row_buf [i]);	2519	scr_remap_chars (row_buf [i]);
2527		2520
2528	for (int i = nrow; i--; )	2521	for (int i = nrow; i--; )
…		…
2530	scr_remap_chars (drawn_buf [i]);	2523	scr_remap_chars (drawn_buf [i]);
2531	scr_remap_chars (swap_buf [i]);	2524	scr_remap_chars (swap_buf [i]);
2532	}	2525	}
2533	}	2526	}
2534		2527
2535	void	2528	void ecb_cold
2536	rxvt_term::scr_recolour (bool refresh) NOTHROW	2529	rxvt_term::scr_recolor (bool refresh) noexcept
2537	{	2530	{
2538	bool transparent = false;	2531	bool transparent = false;
2539		2532
2540	#ifdef HAVE_BG_PIXMAP	2533	#ifdef HAVE_IMG
2541	if (bg_pixmap != None)	2534	if (bg_img != 0)
2542	{	2535	{
2543	# ifdef ENABLE_TRANSPARENCY	2536	# if ENABLE_TRANSPARENCY
2544	if (bg_flags & BG_IS_TRANSPARENT)	2537	if (bg_flags & BG_IS_TRANSPARENT)
2545	{	2538	{
2546	XSetWindowBackgroundPixmap (dpy, parent, bg_pixmap);	2539	XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
2547	XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);	2540	XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2548		2541
2549	transparent = true;	2542	transparent = true;
2550	}	2543	}
2551	else	2544	else
2552	# endif	2545	# endif
2553	{	2546	{
2554	XSetWindowBackground (dpy, parent, pix_colors[Color_border]);	2547	XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2555	XSetWindowBackgroundPixmap (dpy, vt, bg_pixmap);	2548	XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2556	}	2549	}
2557	}	2550	}
2558	else	2551	else
2559	#endif	2552	#endif
2560	{	2553	{
…		…
2562	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);	2555	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2563	}	2556	}
2564		2557
2565	XClearWindow (dpy, parent);	2558	XClearWindow (dpy, parent);
2566		2559
2567	if (scrollBar.win)	2560	if (scrollBar.state && scrollBar.win)
2568	{	2561	{
2569	if (transparent)	2562	if (transparent)
2570	XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);	2563	XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2571	else	2564	else
2572	XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);	2565	XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2573	scrollBar.state = SB_STATE_IDLE;	2566	scrollBar.state = SB_STATE_IDLE;
2574	scrollBar.show (0);	2567	scrollBar.show (0);
2575	}	2568	}
2576		2569
2577	if (refresh)	2570	if (refresh)
…		…
2582	want_refresh = 1;	2575	want_refresh = 1;
2583	}	2576	}
2584		2577
2585	/* ------------------------------------------------------------------------- */	2578	/* ------------------------------------------------------------------------- */
2586	void	2579	void
2587	rxvt_term::scr_clear (bool really) NOTHROW	2580	rxvt_term::scr_clear (bool really) noexcept
2588	{	2581	{
2589	if (!mapped)	2582	if (!mapped)
2590	return;	2583	return;
2591		2584
2592	num_scr_allow = 0;	2585	num_scr_allow = 0;
…		…
2595	if (really)	2588	if (really)
2596	XClearWindow (dpy, vt);	2589	XClearWindow (dpy, vt);
2597	}	2590	}
2598		2591
2599	void	2592	void
2600	rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW	2593	rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) noexcept
2601	{	2594	{
2602	int view_end = view_start + nrow;	2595	int view_end = view_start + nrow;
2603	int row, col;	2596	int row, col;
2604		2597
2605	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++)
…		…
2617	srp[col] ^= rstyle2;	2610	srp[col] ^= rstyle2;
2618	}	2611	}
2619	}	2612	}
2620		2613
2621	void	2614	void
2622	rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW	2615	rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) noexcept
2623	{	2616	{
2624	int view_end = view_start + nrow;	2617	int view_end = view_start + nrow;
2625	int row, col;	2618	int row, col;
2626		2619
2627	if (beg_row >= view_start)	2620	if (beg_row >= view_start)
…		…
2643	for (rend_t *srp = ROW(row).r; col < end_col; col++)	2636	for (rend_t *srp = ROW(row).r; col < end_col; col++)
2644	srp[col] ^= rstyle;	2637	srp[col] ^= rstyle;
2645	}	2638	}
2646		2639
2647	/* ------------------------------------------------------------------------- */	2640	/* ------------------------------------------------------------------------- */
2648	void	2641	void ecb_hot
2649	rxvt_term::scr_reverse_selection () NOTHROW	2642	rxvt_term::scr_reverse_selection () noexcept
2650	{	2643	{
2651	if (selection.op	2644	if (selection.op
2652	&& current_screen == selection.screen	2645	&& current_screen == selection.screen
2653	&& selection.end.row >= view_start)	2646	&& selection.end.row >= view_start)
2654	{	2647	{
…		…
2670	* Dump the whole scrollback and screen to the passed filedescriptor. The	2663	* Dump the whole scrollback and screen to the passed filedescriptor. The
2671	* invoking routine must close the fd.	2664	* invoking routine must close the fd.
2672	*/	2665	*/
2673	#if 0	2666	#if 0
2674	void	2667	void
2675	rxvt_term::scr_dump (int fd) NOTHROW	2668	rxvt_term::scr_dump (int fd) noexcept
2676	{	2669	{
2677	// 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
2678	// relevant code in scr_printscreen	2671	// relevant code in scr_printscreen
2679	}	2672	}
2680	#endif	2673	#endif
2681		2674
2682	/* ------------------------------------------------------------------------- *	2675	/* ------------------------------------------------------------------------- *
2683	* CHARACTER SELECTION *	2676	* CHARACTER SELECTION *
2684	* ------------------------------------------------------------------------- */	2677	* ------------------------------------------------------------------------- */
2685	void	2678	void
2686	rxvt_term::selection_check (int check_more) NOTHROW	2679	rxvt_term::selection_check (int check_more) noexcept
2687	{	2680	{
2688	if (!selection.op)	2681	if (!selection.op)
2689	return;	2682	return;
2690		2683
2691	if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)	2684	if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
…		…
2696	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)	2689	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2697	&& ROWCOL_IS_BEFORE (screen.cur, selection.end)))	2690	&& ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2698	CLEAR_ALL_SELECTION ();	2691	CLEAR_ALL_SELECTION ();
2699	}	2692	}
2700		2693
		2694	void
		2695	rxvt_term::selection_changed () noexcept
		2696	{
		2697	line_t &r1 = ROW (selection.beg.row);
		2698	while (selection.beg.col < r1.l && r1.t [selection.beg.col] == NOCHAR)
		2699	++selection.beg.col;
		2700
		2701	line_t &r2 = ROW (selection.end.row);
		2702	while (selection.end.col < r2.l && r2.t [selection.end.col] == NOCHAR)
		2703	++selection.end.col;
		2704
		2705	want_refresh = 1;
		2706	}
		2707
2701	/* ------------------------------------------------------------------------- */	2708	/* ------------------------------------------------------------------------- */
2702	/*	2709	/*
2703	* Paste a selection direct to the command fd	2710	* Paste a selection direct to the command fd
2704	*/	2711	*/
2705	void	2712	void
2706	rxvt_term::tt_paste (char *data, unsigned int len) NOTHROW	2713	rxvt_term::tt_paste (char *data, unsigned int len) noexcept
2707	{	2714	{
2708	/* convert normal newline chars into common keyboard Return key sequence */	2715	/* convert normal newline chars into common keyboard Return key sequence */
2709	for (unsigned int i = 0; i < len; i++)	2716	for (unsigned int i = 0; i < len; i++)
2710	if (data[i] == C0_LF)	2717	if (data[i] == C0_LF)
2711	data[i] = C0_CR;	2718	data[i] = C0_CR;
2712		2719
2713	if (priv_modes & PrivMode_BracketPaste)	2720	#if ENABLE_FRILLS
		2721	if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2714	tt_printf ("\x1b[200~");	2722	tt_printf ("\x1b[200~");
		2723	#endif
2715		2724
2716	tt_write (data, len);	2725	tt_write (data, len);
2717		2726
2718	if (priv_modes & PrivMode_BracketPaste)	2727	#if ENABLE_FRILLS
		2728	if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2719	tt_printf ("\x1b[201~");	2729	tt_printf ("\x1b[201~");
		2730	#endif
2720	}	2731	}
2721		2732
2722	void	2733	void
2723	rxvt_term::paste (char *data, unsigned int len) NOTHROW	2734	rxvt_term::paste (char *data, unsigned int len) noexcept
2724	{	2735	{
2725	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)))
2726	return;	2737	return;
2727		2738
2728	tt_paste (data, len);	2739	tt_paste (data, len);
…		…
2734	* 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
2735	* as fallback	2746	* as fallback
2736	* EXT: button 2 release	2747	* EXT: button 2 release
2737	*/	2748	*/
2738	void	2749	void
2739	rxvt_term::selection_request (Time tm, int selnum) NOTHROW	2750	rxvt_term::selection_request (Time tm, int selnum) noexcept
2740	{	2751	{
2741	if (!selection_req)	2752	if (!selection_req)
2742	{	2753	{
2743	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);
2744	selection_req->run ();	2755	selection_req->run ();
…		…
2749	/*	2760	/*
2750	* Clear all selected text	2761	* Clear all selected text
2751	* EXT: SelectionClear	2762	* EXT: SelectionClear
2752	*/	2763	*/
2753	void	2764	void
2754	rxvt_term::selection_clear (bool clipboard) NOTHROW	2765	rxvt_term::selection_clear (bool clipboard) noexcept
2755	{	2766	{
2756	if (!clipboard)	2767	if (!clipboard)
2757	{	2768	{
2758	want_refresh = 1;	2769	want_refresh = 1;
2759	free (selection.text);	2770	free (selection.text);
…		…
2844	if (*t == NOCHAR)	2855	if (*t == NOCHAR)
2845	t++;	2856	t++;
2846	#if ENABLE_COMBINING	2857	#if ENABLE_COMBINING
2847	else if (IS_COMPOSE (*t))	2858	else if (IS_COMPOSE (*t))
2848	{	2859	{
2849	int len = rxvt_composite.expand (*t, 0);	2860	int len = rxvt_composite.expand (*t);
2850		2861
2851	extra -= (len - 1);	2862	extra -= (len - 1);
2852		2863
2853	if (extra < 0)	2864	if (extra < 0)
2854	{	2865	{
…		…
2901		2912
2902	selection_grab (tm);	2913	selection_grab (tm);
2903	}	2914	}
2904		2915
2905	bool	2916	bool
2906	rxvt_term::selection_grab (Time tm, bool clipboard) NOTHROW	2917	rxvt_term::selection_grab (Time tm, bool clipboard) noexcept
2907	{	2918	{
2908	Atom sel;	2919	Atom sel;
2909		2920
2910	if (!clipboard)	2921	if (!clipboard)
2911	{	2922	{
…		…
2944	/* ------------------------------------------------------------------------- */	2955	/* ------------------------------------------------------------------------- */
2945	/*	2956	/*
2946	* 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
2947	* EXT: button 1 press	2958	* EXT: button 1 press
2948	*/	2959	*/
2949	void	2960	void ecb_cold
2950	rxvt_term::selection_click (int clicks, int x, int y) NOTHROW	2961	rxvt_term::selection_click (int clicks, int x, int y) noexcept
2951	{	2962	{
2952	clicks = ((clicks - 1) % 3) + 1;	2963	clicks = ((clicks - 1) % 3) + 1;
2953	selection.clicks = clicks; /* save clicks so extend will work */	2964	selection.clicks = clicks; /* save clicks so extend will work */
2954		2965
2955	if (clicks == 2 && !selection.rect	2966	if (clicks == 2 && !selection.rect
…		…
2973		2984
2974	/* ------------------------------------------------------------------------- */	2985	/* ------------------------------------------------------------------------- */
2975	/*	2986	/*
2976	* Mark a selection at the specified col/row	2987	* Mark a selection at the specified col/row
2977	*/	2988	*/
2978	void	2989	void ecb_cold
2979	rxvt_term::selection_start_colrow (int col, int row) NOTHROW	2990	rxvt_term::selection_start_colrow (int col, int row) noexcept
2980	{	2991	{
2981	want_refresh = 1;	2992	want_refresh = 1;
2982		2993
2983	selection.mark.row = row + view_start;	2994	selection.mark.row = row + view_start;
2984	selection.mark.col = col;	2995	selection.mark.col = col;
…		…
3006	* Word select: select text for 2 clicks	3017	* Word select: select text for 2 clicks
3007	* We now only find out the boundary in one direction	3018	* We now only find out the boundary in one direction
3008	*/	3019	*/
3009		3020
3010	/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */	3021	/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
3011	#define DELIMIT_TEXT(x) \	3022	#define DELIMIT_TEXT(x) \
3012	(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)))
3013	#define DELIMIT_REND(x) 1	3024	#define DELIMIT_REND(x) 1
3014		3025
3015	void	3026	void ecb_cold
3016	rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW	3027	rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) noexcept
3017	{	3028	{
3018	int col, row, dirnadd, tcol, trow, w1, w2;	3029	int col, row, dirnadd, tcol, trow, w1, w2;
3019	row_col_t bound;	3030	row_col_t bound;
3020	text_t *stp;	3031	text_t *stp;
3021	rend_t *srp;	3032	rend_t *srp;
…		…
3094	* EXT: button 3 press; button 1 or 3 drag	3105	* EXT: button 3 press; button 1 or 3 drag
3095	* flag == 0 ==> button 1	3106	* flag == 0 ==> button 1
3096	* flag == 1 ==> button 3 press	3107	* flag == 1 ==> button 3 press
3097	* flag == 2 ==> button 3 motion	3108	* flag == 2 ==> button 3 motion
3098	*/	3109	*/
3099	void	3110	void ecb_cold
3100	rxvt_term::selection_extend (int x, int y, int flag) NOTHROW	3111	rxvt_term::selection_extend (int x, int y, int flag) noexcept
3101	{	3112	{
3102	int col = clamp (Pixel2Col (x), 0, ncol);	3113	int col = clamp (Pixel2Col (x), 0, ncol);
3103	int row = clamp (Pixel2Row (y), 0, nrow - 1);	3114	int row = clamp (Pixel2Row (y), 0, nrow - 1);
3104		3115
3105	/*	3116	/*
…		…
3130		3141
3131	/* ------------------------------------------------------------------------- */	3142	/* ------------------------------------------------------------------------- */
3132	/*	3143	/*
3133	* Extend the selection to the specified col/row	3144	* Extend the selection to the specified col/row
3134	*/	3145	*/
3135	void	3146	void ecb_cold
3136	rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW	3147	rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) noexcept
3137	{	3148	{
3138	row_col_t pos;	3149	row_col_t pos;
3139	enum {	3150	enum {
3140	LEFT, RIGHT	3151	LEFT, RIGHT
3141	} closeto = RIGHT;	3152	} closeto = RIGHT;
3142
3143	want_refresh = 1;
3144		3153
3145	switch (selection.op)	3154	switch (selection.op)
3146	{	3155	{
3147	case SELECTION_INIT:	3156	case SELECTION_INIT:
3148	CLEAR_SELECTION ();	3157	CLEAR_SELECTION ();
…		…
3328		3337
3329	#if !ENABLE_MINIMAL	3338	#if !ENABLE_MINIMAL
3330	if (selection.rect && selection.beg.col > selection.end.col)	3339	if (selection.rect && selection.beg.col > selection.end.col)
3331	::swap (selection.beg.col, selection.end.col);	3340	::swap (selection.beg.col, selection.end.col);
3332	#endif	3341	#endif
		3342
		3343	selection_changed ();
3333	}	3344	}
3334		3345
3335	#if !ENABLE_MINIMAL	3346	#if !ENABLE_MINIMAL
3336	void	3347	void ecb_cold
3337	rxvt_term::selection_remove_trailing_spaces () NOTHROW	3348	rxvt_term::selection_remove_trailing_spaces () noexcept
3338	{	3349	{
3339	int32_t end_col, end_row;	3350	int32_t end_col, end_row;
3340	text_t *stp;	3351	text_t *stp;
3341		3352
3342	end_col = selection.end.col;	3353	end_col = selection.end.col;
…		…
3379	/* ------------------------------------------------------------------------- */	3390	/* ------------------------------------------------------------------------- */
3380	/*	3391	/*
3381	* Double click on button 3 when already selected	3392	* Double click on button 3 when already selected
3382	* EXT: button 3 double click	3393	* EXT: button 3 double click
3383	*/	3394	*/
3384	void	3395	void ecb_cold
3385	rxvt_term::selection_rotate (int x, int y) NOTHROW	3396	rxvt_term::selection_rotate (int x, int y) noexcept
3386	{	3397	{
3387	selection.clicks = selection.clicks % 3 + 1;	3398	selection.clicks = selection.clicks % 3 + 1;
3388	selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);	3399	selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3389	}	3400	}
3390		3401
3391	/* ------------------------------------------------------------------------- */	3402	/* ------------------------------------------------------------------------- */
3392	/*	3403	/*
3393	* Respond to a request for our current selection	3404	* Respond to a request for our current selection
3394	* EXT: SelectionRequest	3405	* EXT: SelectionRequest
3395	*/	3406	*/
3396	void	3407	void ecb_cold
3397	rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW	3408	rxvt_term::selection_send (const XSelectionRequestEvent &rq) noexcept
3398	{	3409	{
3399	Atom property = rq.property == None ? rq.target : rq.property;	3410	Atom property = rq.property == None ? rq.target : rq.property;
3400	XSelectionEvent ev;	3411	XSelectionEvent ev;
3401		3412
3402	ev.type = SelectionNotify;	3413	ev.type = SelectionNotify;
…		…
3494	cl = selection.clip_text;	3505	cl = selection.clip_text;
3495	selectlen = selection.clip_len;	3506	selectlen = selection.clip_len;
3496	}	3507	}
3497	else	3508	else
3498	{	3509	{
3499	cl = L"";	3510	cl = (wchar_t *)L"";
3500	selectlen = 0;	3511	selectlen = 0;
3501	}	3512	}
3502		3513
3503	#if !ENABLE_MINIMAL	3514	#if !ENABLE_MINIMAL
3504	// xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it	3515	// xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
…		…
3534		3545
3535	XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);	3546	XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3536	}	3547	}
3537		3548
3538	/* ------------------------------------------------------------------------- */	3549	/* ------------------------------------------------------------------------- */
3539	#ifdef USE_XIM	3550	#if USE_XIM
3540	void	3551	void ecb_cold
3541	rxvt_term::im_set_position (XPoint &pos) NOTHROW	3552	rxvt_term::im_set_position (XPoint &pos) noexcept
3542	{	3553	{
3543	XWindowAttributes xwa;	3554	XWindowAttributes xwa;
3544		3555
3545	XGetWindowAttributes (dpy, vt, &xwa);	3556	XGetWindowAttributes (dpy, vt, &xwa);
3546		3557
…		…
3549	}	3560	}
3550	#endif	3561	#endif
3551		3562
3552	#if ENABLE_OVERLAY	3563	#if ENABLE_OVERLAY
3553	void	3564	void
3554	rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW	3565	rxvt_term::scr_overlay_new (int x, int y, int w, int h) noexcept
3555	{	3566	{
3556	if (nrow < 1 || ncol < 1)	3567	if (nrow < 1 || ncol < 1)
3557	return;	3568	return;
3558		3569
3559	want_refresh = 1;	3570	want_refresh = 1;
…		…
3604	*rp = r;	3615	*rp = r;
3605	}	3616	}
3606	}	3617	}
3607		3618
3608	void	3619	void
3609	rxvt_term::scr_overlay_off () NOTHROW	3620	rxvt_term::scr_overlay_off () noexcept
3610	{	3621	{
3611	if (!ov.text)	3622	if (!ov.text)
3612	return;	3623	return;
3613		3624
3614	want_refresh = 1;	3625	want_refresh = 1;
…		…
3622	delete [] ov.text; ov.text = 0;	3633	delete [] ov.text; ov.text = 0;
3623	delete [] ov.rend; ov.rend = 0;	3634	delete [] ov.rend; ov.rend = 0;
3624	}	3635	}
3625		3636
3626	void	3637	void
3627	rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW	3638	rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) noexcept
3628	{	3639	{
3629	if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)	3640	if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3630	return;	3641	return;
3631		3642
3632	x++, y++;	3643	x++, y++;
…		…
3634	ov.text[y][x] = text;	3645	ov.text[y][x] = text;
3635	ov.rend[y][x] = rend;	3646	ov.rend[y][x] = rend;
3636	}	3647	}
3637		3648
3638	void	3649	void
3639	rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW	3650	rxvt_term::scr_overlay_set (int x, int y, const char *s) noexcept
3640	{	3651	{
3641	while (*s)	3652	while (*s)
3642	scr_overlay_set (x++, y, *s++);	3653	scr_overlay_set (x++, y, *s++);
3643	}	3654	}
3644		3655
3645	void	3656	void
3646	rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW	3657	rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) noexcept
3647	{	3658	{
3648	while (*s)	3659	while (*s)
3649	{	3660	{
3650	text_t t = *s++;	3661	text_t t = *s++;
3651	int width = WCWIDTH (t);	3662	int width = WCWIDTH (t);
…		…
3657	}	3668	}
3658	}	3669	}
3659	}	3670	}
3660		3671
3661	void	3672	void
3662	rxvt_term::scr_swap_overlay () NOTHROW	3673	rxvt_term::scr_swap_overlay () noexcept
3663	{	3674	{
3664	if (!ov.text)	3675	if (!ov.text)
3665	return;	3676	return;
3666		3677
3667	// hide cursor if it is within the overlay area	3678	// hide cursor if it is within the overlay area

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