[ViewVC] Diff of: cvs/rxvt-unicode/src/screen.C

Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.421 by sf-exg, Sun Jun 10 13:07:56 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
…		…
94	* SCREEN `COMMON' ROUTINES *	95	* SCREEN `COMMON' ROUTINES *
95	* ------------------------------------------------------------------------- */	96	* ------------------------------------------------------------------------- */
96		97
97	/* Fill part/all of a line with blanks. */	98	/* Fill part/all of a line with blanks. */
98	void	99	void
99	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
100	{	101	{
101	if (!l.valid ())	102	if (!l.valid ())
102	{	103	{
103	l.alloc ();	104	l.alloc ();
104	col = 0;	105	col = 0;
…		…
106	}	107	}
107		108
108	l.touch ();	109	l.touch ();
109		110
110	efs &= ~RS_baseattrMask; // remove italic etc. fontstyles	111	efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
111	efs = SET_FONT (efs, FONTSET (efs)->find_font (' '));	112	efs = SET_FONT (efs, FONTSET (efs)->find_space_font ());
112		113
113	text_t *et = l.t + col;	114	text_t *et = l.t + col;
114	rend_t *er = l.r + col;	115	rend_t *er = l.r + col;
115		116
116	while (width--)	117	while (width--)
…		…
121	}	122	}
122		123
123	/* ------------------------------------------------------------------------- */	124	/* ------------------------------------------------------------------------- */
124	/* Fill a full line with blanks - make sure it is allocated first */	125	/* Fill a full line with blanks - make sure it is allocated first */
125	void	126	void
126	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
127	{	128	{
128	scr_blank_line (l, 0, ncol, efs);	129	scr_blank_line (l, 0, ncol, efs);
129		130
130	l.l = 0;	131	l.l = 0;
131	l.f = 0;	132	l.f = 0;
132	}	133	}
133		134
134	// nuke a single wide character at the given column	135	// nuke a single wide character at the given column
135	void	136	void
136	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
137	{	138	{
138	// find begin	139	// find begin
139	while (col > 0 && l.t[col] == NOCHAR)	140	while (col > 0 && l.t[col] == NOCHAR)
140	col--;	141	col--;
141		142
142	rend_t rend = l.r[col] & ~RS_baseattrMask;	143	rend_t rend = l.r[col] & ~RS_baseattrMask;
143	rend = SET_FONT (rend, FONTSET (rend)->find_font (' '));	144	rend = SET_FONT (rend, FONTSET (rend)->find_space_font ());
144		145
145	l.touch ();	146	l.touch ();
146		147
147	// found start, nuke	148	// found start, nuke
148	do {	149	do {
…		…
150	l.r[col] = rend;	151	l.r[col] = rend;
151	col++;	152	col++;
152	} while (col < ncol && l.t[col] == NOCHAR);	153	} while (col < ncol && l.t[col] == NOCHAR);
153	}	154	}
154		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
155	/* ------------------------------------------------------------------------- *	166	/* ------------------------------------------------------------------------- *
156	* SCREEN INITIALISATION *	167	* SCREEN INITIALISATION *
157	* ------------------------------------------------------------------------- */	168	* ------------------------------------------------------------------------- */
158		169
159	void	170	void
160	rxvt_term::scr_alloc () NOTHROW	171	rxvt_term::scr_alloc () noexcept
161	{	172	{
162	int tsize = sizeof (text_t) * ncol;	173	int tsize = sizeof (text_t) * ncol;
163	int rsize = sizeof (rend_t) * ncol;	174	int rsize = sizeof (rend_t) * ncol;
164		175
165	// we assume that rend_t size is a sufficient alignment	176	// we assume that rend_t size is a sufficient alignment
…		…
169	tsize -= tsize % sizeof (rend_t);	180	tsize -= tsize % sizeof (rend_t);
170		181
171	int all_rows = total_rows + nrow + nrow;	182	int all_rows = total_rows + nrow + nrow;
172		183
173	chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;	184	chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
174	chunk = rxvt_malloc (chunk_size);	185	chunk = chunk_alloc (chunk_size, 0);
175		186
176	char base = (char )chunk + sizeof (line_t) * all_rows;	187	char base = (char )chunk + sizeof (line_t) * all_rows;
177		188
178	for (int row = 0; row < all_rows; ++row)	189	for (int row = 0; row < all_rows; ++row)
179	{	190	{
…		…
188	drawn_buf = (line_t *)chunk;	199	drawn_buf = (line_t *)chunk;
189	swap_buf = drawn_buf + nrow;	200	swap_buf = drawn_buf + nrow;
190	row_buf = swap_buf + nrow;	201	row_buf = swap_buf + nrow;
191	}	202	}
192		203
		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
193	void ecb_cold	214	void ecb_cold
194	rxvt_term::scr_reset ()	215	rxvt_term::scr_reset ()
195	{	216	{
196	#if ENABLE_OVERLAY	217	#if ENABLE_OVERLAY
197	scr_overlay_off ();	218	scr_overlay_off ();
…		…
225		246
226	screen.tscroll = 0;	247	screen.tscroll = 0;
227	screen.bscroll = nrow - 1;	248	screen.bscroll = nrow - 1;
228		249
229	void *prev_chunk = chunk;	250	void *prev_chunk = chunk;
		251	size_t prev_chunk_size = chunk_size;
230	line_t *prev_drawn_buf = drawn_buf;	252	line_t *prev_drawn_buf = drawn_buf;
231	line_t *prev_swap_buf = swap_buf;	253	line_t *prev_swap_buf = swap_buf;
232	line_t *prev_row_buf = row_buf;	254	line_t *prev_row_buf = row_buf;
233		255
234	int common_col = min (prev_ncol, ncol);
235
236	scr_alloc ();	256	scr_alloc ();
237		257
238	if (!prev_row_buf)	258	if (!prev_row_buf)
239	{	259	{
240	/*
241	* first time called (or after scr_release) so just malloc everything: don't rely on realloc
242	*/
243	top_row = 0;	260	top_row = 0;
244	term_start = 0;	261	term_start = 0;
245		262
246	memset (charsets, 'B', sizeof (charsets));	263	memset (charsets, 'B', sizeof (charsets));
247	rstyle = DEFAULT_RSTYLE;	264	rstyle = DEFAULT_RSTYLE;
…		…
272	{	289	{
273	/*	290	/*
274	* add or delete rows as appropriate	291	* add or delete rows as appropriate
275	*/	292	*/
276		293
		294	int common_col = min (prev_ncol, ncol);
		295
		296	// resize swap_buf, blank drawn_buf
277	for (int row = min (nrow, prev_nrow); row--; )	297	for (int row = min (nrow, prev_nrow); row--; )
278	{	298	{
279	scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);	299	scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
280	scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
281
282	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);
283	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);
284	memcpy (swap_buf [row].t, prev_swap_buf [row].t, sizeof (text_t) * common_col);	302
285	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]);
286	}	304	}
287		305
288	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
289	int pend = MOD (term_start + top_row , prev_total_rows);	307	int pend = MOD (term_start + top_row , prev_total_rows);
290	int q = total_rows; // rewrapped row	308	int q = total_rows; // rewrapped row
291		309
292	if (top_row)	310	#if ENABLE_FRILLS
		311	if ((rewrap_always \|\| top_row) && !rewrap_never)
293	{	312	{
294	// 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
295	// to come up with a lean and mean algorithm.	314	// to come up with a lean and mean algorithm.
296	// TODO: maybe optimise when width didn't change	315	// TODO: maybe optimise when width didn't change
297		316
…		…
313	llen += prev_ncol;	332	llen += prev_ncol;
314	}	333	}
315		334
316	int qlines = max (0, (llen - 1) / ncol) + 1;	335	int qlines = max (0, (llen - 1) / ncol) + 1;
317		336
		337	q -= qlines;
		338
318	// drop partial lines completely	339	// drop partial lines completely
319	if (q < qlines)	340	if (q < 0)
320	break;	341	break;
321
322	q -= qlines;
323		342
324	int lofs = 0;	343	int lofs = 0;
325	line_t *qline;	344	line_t *qline;
326		345
327	// re-assemble the full line by destination lines	346	// re-assemble the full line by destination lines
…		…
369	qline->is_longer (0);	388	qline->is_longer (0);
370	scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);	389	scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
371	}	390	}
372	while (p != pend && q > 0);	391	while (p != pend && q > 0);
373		392
374	term_start = total_rows - nrow;
375	top_row = q - term_start;
376
377	// make sure all terminal lines exist	393	// make sure all terminal lines exist
378	while (top_row > 0)	394	while (top_row > 0)
379	scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);	395	scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
380	}	396	}
381	else	397	else
		398	#endif
		399	{
		400	// wing, instead of wrap
382	{	401	do
383	// if no scrollback exists (yet), wing, instead of wrap
384
385	for (int row = min (nrow, prev_nrow); row--; )
386	{	402	{
387	line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)];	403	p = MOD (p - 1, prev_total_rows);
388	line_t &dst = row_buf [row];	404	q--;
389		405
390	scr_blank_screen_mem (dst, DEFAULT_RSTYLE);	406	copy_line (row_buf [q], prev_row_buf [p]);
391
392	memcpy (dst.t, src.t, sizeof (text_t) * common_col);
393	memcpy (dst.r, src.r, sizeof (rend_t) * common_col);
394	}	407	}
		408	while (p != pend);
395		409
396	for (int row = prev_nrow; row < nrow; row++)	410	screen.cur.row += nrow - prev_nrow;
397	scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
398
399	term_start = 0;
400	}	411	}
		412
		413	term_start = total_rows - nrow;
		414	top_row = q - term_start;
401		415
402	clamp_it (screen.cur.row, 0, nrow - 1);	416	clamp_it (screen.cur.row, 0, nrow - 1);
403	clamp_it (screen.cur.col, 0, ncol - 1);	417	clamp_it (screen.cur.col, 0, ncol - 1);
404	}	418	}
405		419
		420	// ensure drawn_buf, swap_buf and terminal rows are all initialized
406	for (int row = nrow; row--; )	421	for (int row = nrow; row--; )
407	{	422	{
408	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);
409	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);
410	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);
411	}	426	}
412		427
413	free (prev_chunk);	428	chunk_free (prev_chunk, prev_chunk_size);
414		429
415	free (tabs);	430	free (tabs);
416	tabs = (char *)rxvt_malloc (ncol);	431	tabs = (char *)rxvt_malloc (ncol);
417		432
418	for (int col = ncol; col--; )	433	for (int col = ncol; col--; )
…		…
427		442
428	HOOK_INVOKE ((this, HOOK_RESET, DT_END));	443	HOOK_INVOKE ((this, HOOK_RESET, DT_END));
429	}	444	}
430		445
431	void ecb_cold	446	void ecb_cold
432	rxvt_term::scr_release () NOTHROW	447	rxvt_term::scr_release () noexcept
433	{	448	{
434	free (chunk); chunk = 0; row_buf = 0;	449	chunk_free (chunk, chunk_size);
435	free (tabs); tabs = 0;	450	chunk = 0;
		451	row_buf = 0;
		452
		453	free (tabs);
		454	tabs = 0;
436	}	455	}
437		456
438	/* ------------------------------------------------------------------------- */	457	/* ------------------------------------------------------------------------- */
439	/*	458	/*
440	* Hard/Soft reset	459	* Hard/Soft reset
…		…
452	scr_clear (true);	471	scr_clear (true);
453	scr_refresh ();	472	scr_refresh ();
454	}	473	}
455		474
456	void ecb_cold	475	void ecb_cold
457	rxvt_term::scr_soft_reset () NOTHROW	476	rxvt_term::scr_soft_reset () noexcept
458	{	477	{
459	/* only affects modes, nothing drastic such as clearing the screen */	478	/* only affects modes, nothing drastic such as clearing the screen */
460	#if ENABLE_OVERLAY	479	#if ENABLE_OVERLAY
461	scr_overlay_off ();	480	scr_overlay_off ();
462	#endif	481	#endif
…		…
476	* Save and Restore cursor	495	* Save and Restore cursor
477	* XTERM_SEQ: Save cursor : ESC 7	496	* XTERM_SEQ: Save cursor : ESC 7
478	* XTERM_SEQ: Restore cursor: ESC 8	497	* XTERM_SEQ: Restore cursor: ESC 8
479	*/	498	*/
480	void	499	void
481	rxvt_term::scr_cursor (cursor_mode mode) NOTHROW	500	rxvt_term::scr_cursor (cursor_mode mode) noexcept
482	{	501	{
483	screen_t *s;	502	screen_t *s;
484		503
485	#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)	504	#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
486	if (current_screen == SECONDARY)	505	if (current_screen == SECONDARY)
…		…
517	assert (s->cur.row >= 0);	536	assert (s->cur.row >= 0);
518	assert (s->cur.col >= 0);	537	assert (s->cur.col >= 0);
519	}	538	}
520		539
521	void	540	void
522	rxvt_term::scr_swap_screen () NOTHROW	541	rxvt_term::scr_swap_screen () noexcept
523	{	542	{
524	if (!option (Opt_secondaryScreen))	543	if (!option (Opt_secondaryScreen))
525	return;	544	return;
526		545
527	for (int i = prev_nrow; i--; )	546	for (int i = prev_nrow; i--; )
…		…
575	scr_scroll_text (0, prev_nrow - 1, prev_nrow);	594	scr_scroll_text (0, prev_nrow - 1, prev_nrow);
576	}	595	}
577		596
578	// clear WrapNext indicator, solidifying position on next line	597	// clear WrapNext indicator, solidifying position on next line
579	void	598	void
580	rxvt_term::scr_do_wrap () NOTHROW	599	rxvt_term::scr_do_wrap () noexcept
581	{	600	{
582	if (!(screen.flags & Screen_WrapNext))	601	if (!(screen.flags & Screen_WrapNext))
583	return;	602	return;
584		603
585	screen.flags &= ~Screen_WrapNext;	604	screen.flags &= ~Screen_WrapNext;
…		…
595	/* ------------------------------------------------------------------------- */	614	/* ------------------------------------------------------------------------- */
596	/*	615	/*
597	* Change the colour for following text	616	* Change the colour for following text
598	*/	617	*/
599	void	618	void
600	rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW	619	rxvt_term::scr_color (unsigned int color, int fgbg) noexcept
601	{	620	{
602	if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))	621	if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR24))
603	color = fgbg;	622	color = fgbg;
604		623
605	if (fgbg == Color_fg)	624	if (fgbg == Color_fg)
606	rstyle = SET_FGCOLOR (rstyle, color);	625	rstyle = SET_FGCOLOR (rstyle, color);
607	else	626	else
…		…
611	/* ------------------------------------------------------------------------- */	630	/* ------------------------------------------------------------------------- */
612	/*	631	/*
613	* Change the rendition style for following text	632	* Change the rendition style for following text
614	*/	633	*/
615	void	634	void
616	rxvt_term::scr_rendition (int set, int style) NOTHROW	635	rxvt_term::scr_rendition (int set, int style) noexcept
617	{	636	{
618	if (set)	637	if (set)
619	rstyle \|= style;	638	rstyle \|= style;
620	else if (style == ~RS_None)	639	else if (style == ~RS_None)
621	rstyle = DEFAULT_RSTYLE;	640	rstyle = DEFAULT_RSTYLE;
…		…
628	* Scroll text between <row1> and <row2> inclusive, by <count> lines	647	* Scroll text between <row1> and <row2> inclusive, by <count> lines
629	* count positive ==> scroll up	648	* count positive ==> scroll up
630	* count negative ==> scroll down	649	* count negative ==> scroll down
631	*/	650	*/
632	int ecb_hot	651	int ecb_hot
633	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
634	{	653	{
635	if (count == 0 \|\| (row1 > row2))	654	if (count == 0 \|\| (row1 > row2))
636	return 0;	655	return 0;
637		656
638	want_refresh = 1;	657	want_refresh = 1;
…		…
698		717
699	// finally move the view window, if desired	718	// finally move the view window, if desired
700	if (option (Opt_scrollWithBuffer)	719	if (option (Opt_scrollWithBuffer)
701	&& view_start != 0	720	&& view_start != 0
702	&& view_start != -saveLines)	721	&& view_start != -saveLines)
703	scr_page (UP, count);	722	scr_page (count);
704		723
705	if (SHOULD_INVOKE (HOOK_SCROLL_BACK))	724	if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
706	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));
707	}	726	}
708	else	727	else
…		…
772	/* ------------------------------------------------------------------------- */	791	/* ------------------------------------------------------------------------- */
773	/*	792	/*
774	* Add text given in <str> of length <len> to screen struct	793	* Add text given in <str> of length <len> to screen struct
775	*/	794	*/
776	void ecb_hot	795	void ecb_hot
777	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
778	{	797	{
779	if (len <= 0) /* sanity */	798	if (len <= 0) /* sanity */
780	return;	799	return;
781		800
782	bool checksel;	801	bool checksel;
…		…
994	}	1013	}
995	else if (screen.cur.row > 0	1014	else if (screen.cur.row > 0
996	&& ROW(screen.cur.row - 1).is_longer ())	1015	&& ROW(screen.cur.row - 1).is_longer ())
997	{	1016	{
998	linep = &ROW(screen.cur.row - 1);	1017	linep = &ROW(screen.cur.row - 1);
999	tp = line->t + ncol - 1;	1018	tp = linep->t + ncol - 1;
1000	rp = line->r + ncol - 1;	1019	rp = linep->r + ncol - 1;
1001	}	1020	}
1002	else	1021	else
1003	continue;	1022	continue;
1004		1023
1005	linep->touch ();	1024	linep->touch ();
…		…
1028	/*	1047	/*
1029	* 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
1030	* XTERM_SEQ: CTRL-H	1049	* XTERM_SEQ: CTRL-H
1031	*/	1050	*/
1032	void	1051	void
1033	rxvt_term::scr_backspace () NOTHROW	1052	rxvt_term::scr_backspace () noexcept
1034	{	1053	{
1035	if (screen.cur.col == 0)	1054	if (screen.cur.col == 0)
1036	{	1055	{
1037	if (screen.cur.row > 0)	1056	if (screen.cur.row > 0)
1038	{	1057	{
…		…
1055	* Process Horizontal Tab	1074	* Process Horizontal Tab
1056	* count: +ve = forward; -ve = backwards	1075	* count: +ve = forward; -ve = backwards
1057	* XTERM_SEQ: CTRL-I	1076	* XTERM_SEQ: CTRL-I
1058	*/	1077	*/
1059	void	1078	void
1060	rxvt_term::scr_tab (int count, bool ht) NOTHROW	1079	rxvt_term::scr_tab (int count, bool ht) noexcept
1061	{	1080	{
1062	int i, x;	1081	int i, x;
1063		1082
1064	want_refresh = 1;	1083	want_refresh = 1;
1065	i = x = screen.cur.col;	1084	i = x = screen.cur.col;
…		…
1132	* 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
1133	* in that row right. Clear left column.	1152	* in that row right. Clear left column.
1134	*/	1153	*/
1135	#if !ENABLE_MINIMAL	1154	#if !ENABLE_MINIMAL
1136	void ecb_cold	1155	void ecb_cold
1137	rxvt_term::scr_backindex () NOTHROW	1156	rxvt_term::scr_backindex () noexcept
1138	{	1157	{
1139	if (screen.cur.col > 0)	1158	if (screen.cur.col > 0)
1140	scr_gotorc (0, -1, R_RELATIVE \| C_RELATIVE);	1159	scr_gotorc (0, -1, R_RELATIVE \| C_RELATIVE);
1141	else	1160	else
1142	scr_insdel_chars (1, INSERT);	1161	scr_insdel_chars (1, INSERT);
…		…
1149	* 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
1150	* in that row left. Clear right column.	1169	* in that row left. Clear right column.
1151	*/	1170	*/
1152	#if !ENABLE_MINIMAL	1171	#if !ENABLE_MINIMAL
1153	void ecb_cold	1172	void ecb_cold
1154	rxvt_term::scr_forwardindex () NOTHROW	1173	rxvt_term::scr_forwardindex () noexcept
1155	{	1174	{
1156	if (screen.cur.col < ncol - 1)	1175	if (screen.cur.col < ncol - 1)
1157	scr_gotorc (0, 1, R_RELATIVE \| C_RELATIVE);	1176	scr_gotorc (0, 1, R_RELATIVE \| C_RELATIVE);
1158	else	1177	else
1159	{	1178	{
…		…
1172	/* ------------------------------------------------------------------------- */	1191	/* ------------------------------------------------------------------------- */
1173	/*	1192	/*
1174	* Goto Row/Column	1193	* Goto Row/Column
1175	*/	1194	*/
1176	void	1195	void
1177	rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW	1196	rxvt_term::scr_gotorc (int row, int col, int relative) noexcept
1178	{	1197	{
1179	want_refresh = 1;	1198	want_refresh = 1;
1180	ZERO_SCROLLBACK ();	1199	ZERO_SCROLLBACK ();
1181		1200
1182	screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;	1201	screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
…		…
1221	/* ------------------------------------------------------------------------- */	1240	/* ------------------------------------------------------------------------- */
1222	/*	1241	/*
1223	* direction should be UP or DN	1242	* direction should be UP or DN
1224	*/	1243	*/
1225	void	1244	void
1226	rxvt_term::scr_index (enum page_dirn direction) NOTHROW	1245	rxvt_term::scr_index (enum page_dirn direction) noexcept
1227	{	1246	{
1228	int dirn;
1229
1230	want_refresh = 1;	1247	want_refresh = 1;
1231	ZERO_SCROLLBACK ();	1248	ZERO_SCROLLBACK ();
1232		1249
1233	dirn = ((direction == UP) ? 1 : -1);
1234
1235	screen.flags &= ~Screen_WrapNext;	1250	screen.flags &= ~Screen_WrapNext;
1236		1251
1237	if ((screen.cur.row == screen.bscroll && direction == UP)	1252	if ((screen.cur.row == screen.bscroll && direction == UP)
1238	\|\| (screen.cur.row == screen.tscroll && direction == DN))	1253	\|\| (screen.cur.row == screen.tscroll && direction == DN))
1239	scr_scroll_text (screen.tscroll, screen.bscroll, dirn);	1254	scr_scroll_text (screen.tscroll, screen.bscroll, direction);
1240	else	1255	else
1241	screen.cur.row += dirn;	1256	screen.cur.row += direction;
1242		1257
1243	clamp_it (screen.cur.row, 0, nrow - 1);	1258	clamp_it (screen.cur.row, 0, nrow - 1);
1244	selection_check (0);	1259	selection_check (0);
1245	}	1260	}
1246		1261
…		…
1251	* XTERM_SEQ: Clear line to left : ESC [ 1 K	1266	* XTERM_SEQ: Clear line to left : ESC [ 1 K
1252	* XTERM_SEQ: Clear whole line : ESC [ 2 K	1267	* XTERM_SEQ: Clear whole line : ESC [ 2 K
1253	* extension: clear to right unless wrapped: ESC [ 3 K	1268	* extension: clear to right unless wrapped: ESC [ 3 K
1254	*/	1269	*/
1255	void	1270	void
1256	rxvt_term::scr_erase_line (int mode) NOTHROW	1271	rxvt_term::scr_erase_line (int mode) noexcept
1257	{	1272	{
1258	unsigned int col, num;	1273	unsigned int col, num;
1259		1274
1260	want_refresh = 1;	1275	want_refresh = 1;
1261	ZERO_SCROLLBACK ();	1276	ZERO_SCROLLBACK ();
…		…
1315	* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J	1330	* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1316	* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J	1331	* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1317	* XTERM_SEQ: Clear whole screen : ESC [ 2 J	1332	* XTERM_SEQ: Clear whole screen : ESC [ 2 J
1318	*/	1333	*/
1319	void	1334	void
1320	rxvt_term::scr_erase_screen (int mode) NOTHROW	1335	rxvt_term::scr_erase_screen (int mode) noexcept
1321	{	1336	{
1322	int num;	1337	int num;
1323	int32_t row;	1338	int32_t row;
1324	rend_t ren;	1339	rend_t ren;
1325	XGCValues gcvalue;	1340	XGCValues gcvalue;
…		…
1395	}	1410	}
1396	}	1411	}
1397		1412
1398	#if !ENABLE_MINIMAL	1413	#if !ENABLE_MINIMAL
1399	void	1414	void
1400	rxvt_term::scr_erase_savelines () NOTHROW	1415	rxvt_term::scr_erase_savelines () noexcept
1401	{	1416	{
1402	want_refresh = 1;	1417	want_refresh = 1;
1403	ZERO_SCROLLBACK ();	1418	ZERO_SCROLLBACK ();
1404		1419
1405	top_row = 0;	1420	top_row = 0;
…		…
1410	/*	1425	/*
1411	* Fill the screen with `E's	1426	* Fill the screen with `E's
1412	* XTERM_SEQ: Screen Alignment Test: ESC # 8	1427	* XTERM_SEQ: Screen Alignment Test: ESC # 8
1413	*/	1428	*/
1414	void ecb_cold	1429	void ecb_cold
1415	rxvt_term::scr_E () NOTHROW	1430	rxvt_term::scr_E () noexcept
1416	{	1431	{
1417	rend_t fs;	1432	rend_t fs;
1418		1433
1419	want_refresh = 1;	1434	want_refresh = 1;
1420	ZERO_SCROLLBACK ();	1435	ZERO_SCROLLBACK ();
…		…
1445	/* ------------------------------------------------------------------------- */	1460	/* ------------------------------------------------------------------------- */
1446	/*	1461	/*
1447	* Insert/Delete <count> lines	1462	* Insert/Delete <count> lines
1448	*/	1463	*/
1449	void	1464	void
1450	rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW	1465	rxvt_term::scr_insdel_lines (int count, int insdel) noexcept
1451	{	1466	{
1452	int end;	1467	int end;
1453		1468
1454	ZERO_SCROLLBACK ();	1469	ZERO_SCROLLBACK ();
1455		1470
…		…
1475	/* ------------------------------------------------------------------------- */	1490	/* ------------------------------------------------------------------------- */
1476	/*	1491	/*
1477	* Insert/Delete <count> characters from the current position	1492	* Insert/Delete <count> characters from the current position
1478	*/	1493	*/
1479	void	1494	void
1480	rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW	1495	rxvt_term::scr_insdel_chars (int count, int insdel) noexcept
1481	{	1496	{
1482	want_refresh = 1;	1497	want_refresh = 1;
1483	ZERO_SCROLLBACK ();	1498	ZERO_SCROLLBACK ();
1484		1499
1485	if (count <= 0)	1500	if (count <= 0)
…		…
1584	/*	1599	/*
1585	* Set the scrolling region	1600	* Set the scrolling region
1586	* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r	1601	* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1587	*/	1602	*/
1588	void ecb_cold	1603	void ecb_cold
1589	rxvt_term::scr_scroll_region (int top, int bot) NOTHROW	1604	rxvt_term::scr_scroll_region (int top, int bot) noexcept
1590	{	1605	{
1591	max_it (top, 0);	1606	max_it (top, 0);
1592	min_it (bot, nrow - 1);	1607	min_it (bot, nrow - 1);
1593		1608
1594	if (top > bot)	1609	if (top > bot)
…		…
1604	* Make the cursor visible/invisible	1619	* Make the cursor visible/invisible
1605	* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h	1620	* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1606	* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l	1621	* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1607	*/	1622	*/
1608	void ecb_cold	1623	void ecb_cold
1609	rxvt_term::scr_cursor_visible (int mode) NOTHROW	1624	rxvt_term::scr_cursor_visible (int mode) noexcept
1610	{	1625	{
1611	want_refresh = 1;	1626	want_refresh = 1;
1612		1627
1613	if (mode)	1628	if (mode)
1614	screen.flags \|= Screen_VisibleCursor;	1629	screen.flags \|= Screen_VisibleCursor;
…		…
1621	* Set/unset automatic wrapping	1636	* Set/unset automatic wrapping
1622	* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h	1637	* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1623	* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l	1638	* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1624	*/	1639	*/
1625	void ecb_cold	1640	void ecb_cold
1626	rxvt_term::scr_autowrap (int mode) NOTHROW	1641	rxvt_term::scr_autowrap (int mode) noexcept
1627	{	1642	{
1628	if (mode)	1643	if (mode)
1629	screen.flags \|= Screen_Autowrap;	1644	screen.flags \|= Screen_Autowrap;
1630	else	1645	else
1631	screen.flags &= ~(Screen_Autowrap \| Screen_WrapNext);	1646	screen.flags &= ~(Screen_Autowrap \| Screen_WrapNext);
…		…
1640	* and the cursor cannot be moved outside.	1655	* and the cursor cannot be moved outside.
1641	* XTERM_SEQ: Set Absolute: ESC [ ? 6 h	1656	* XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1642	* XTERM_SEQ: Set Relative: ESC [ ? 6 l	1657	* XTERM_SEQ: Set Relative: ESC [ ? 6 l
1643	*/	1658	*/
1644	void ecb_cold	1659	void ecb_cold
1645	rxvt_term::scr_relative_origin (int mode) NOTHROW	1660	rxvt_term::scr_relative_origin (int mode) noexcept
1646	{	1661	{
1647	if (mode)	1662	if (mode)
1648	screen.flags \|= Screen_Relative;	1663	screen.flags \|= Screen_Relative;
1649	else	1664	else
1650	screen.flags &= ~Screen_Relative;	1665	screen.flags &= ~Screen_Relative;
…		…
1657	* Set insert/replace mode	1672	* Set insert/replace mode
1658	* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h	1673	* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1659	* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l	1674	* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1660	*/	1675	*/
1661	void ecb_cold	1676	void ecb_cold
1662	rxvt_term::scr_insert_mode (int mode) NOTHROW	1677	rxvt_term::scr_insert_mode (int mode) noexcept
1663	{	1678	{
1664	if (mode)	1679	if (mode)
1665	screen.flags \|= Screen_Insert;	1680	screen.flags \|= Screen_Insert;
1666	else	1681	else
1667	screen.flags &= ~Screen_Insert;	1682	screen.flags &= ~Screen_Insert;
…		…
1673	* XTERM_SEQ: Set tab at current column : ESC H	1688	* XTERM_SEQ: Set tab at current column : ESC H
1674	* XTERM_SEQ: Clear tab at current column: ESC [ 0 g	1689	* XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1675	* XTERM_SEQ: Clear all tabs : ESC [ 3 g	1690	* XTERM_SEQ: Clear all tabs : ESC [ 3 g
1676	*/	1691	*/
1677	void ecb_cold	1692	void ecb_cold
1678	rxvt_term::scr_set_tab (int mode) NOTHROW	1693	rxvt_term::scr_set_tab (int mode) noexcept
1679	{	1694	{
1680	if (mode < 0)	1695	if (mode < 0)
1681	memset (tabs, 0, ncol);	1696	memset (tabs, 0, ncol);
1682	else if (screen.cur.col < ncol)	1697	else if (screen.cur.col < ncol)
1683	tabs [screen.cur.col] = !!mode;	1698	tabs [screen.cur.col] = !!mode;
…		…
1688	* Set reverse/normal video	1703	* Set reverse/normal video
1689	* XTERM_SEQ: Reverse video: ESC [ ? 5 h	1704	* XTERM_SEQ: Reverse video: ESC [ ? 5 h
1690	* XTERM_SEQ: Normal video : ESC [ ? 5 l	1705	* XTERM_SEQ: Normal video : ESC [ ? 5 l
1691	*/	1706	*/
1692	void	1707	void
1693	rxvt_term::scr_rvideo_mode (bool on) NOTHROW	1708	rxvt_term::scr_rvideo_mode (bool on) noexcept
1694	{	1709	{
1695	rvideo_mode = on;	1710	rvideo_mode = on;
1696		1711
1697	#ifndef NO_BELL	1712	#ifndef NO_BELL
1698	on ^= rvideo_bell;	1713	on ^= rvideo_bell;
…		…
1700		1715
1701	if (rvideo_state != on)	1716	if (rvideo_state != on)
1702	{	1717	{
1703	rvideo_state = on;	1718	rvideo_state = on;
1704		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
1705	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);	1728	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1706	#ifdef HAVE_BG_PIXMAP	1729	#ifdef HAVE_IMG
1707	if (bg_img == 0)	1730	if (bg_img == 0)
1708	#endif	1731	#endif
1709	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);	1732	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1710		1733
1711	XGCValues gcvalue;	1734	XGCValues gcvalue;
…		…
1722	/*	1745	/*
1723	* Report current cursor position	1746	* Report current cursor position
1724	* XTERM_SEQ: Report position: ESC [ 6 n	1747	* XTERM_SEQ: Report position: ESC [ 6 n
1725	*/	1748	*/
1726	void ecb_cold	1749	void ecb_cold
1727	rxvt_term::scr_report_position () NOTHROW	1750	rxvt_term::scr_report_position () noexcept
1728	{	1751	{
1729	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);
1730	}	1753	}
1731		1754
1732	/* ------------------------------------------------------------------------- *	1755	/* ------------------------------------------------------------------------- *
…		…
1735		1758
1736	/*	1759	/*
1737	* Set font style	1760	* Set font style
1738	*/	1761	*/
1739	void ecb_cold	1762	void ecb_cold
1740	rxvt_term::set_font_style () NOTHROW	1763	rxvt_term::set_font_style () noexcept
1741	{	1764	{
1742	#if 0	1765	#if 0
1743	switch (charsets [screen.charset])	1766	switch (charsets [screen.charset])
1744	{	1767	{
1745	case '0': /* DEC Special Character & Line Drawing Set */	1768	case '0': /* DEC Special Character & Line Drawing Set */
…		…
1767	* XTERM_SEQ: Invoke G1 character set: CTRL-N	1790	* XTERM_SEQ: Invoke G1 character set: CTRL-N
1768	* XTERM_SEQ: Invoke G2 character set: ESC N	1791	* XTERM_SEQ: Invoke G2 character set: ESC N
1769	* XTERM_SEQ: Invoke G3 character set: ESC O	1792	* XTERM_SEQ: Invoke G3 character set: ESC O
1770	*/	1793	*/
1771	void ecb_cold	1794	void ecb_cold
1772	rxvt_term::scr_charset_choose (int set) NOTHROW	1795	rxvt_term::scr_charset_choose (int set) noexcept
1773	{	1796	{
1774	screen.charset = set;	1797	screen.charset = set;
1775	set_font_style ();	1798	set_font_style ();
1776	}	1799	}
1777		1800
…		…
1783	* XTERM_SEQ: Set G2 character set: ESC * <C>	1806	* XTERM_SEQ: Set G2 character set: ESC * <C>
1784	* XTERM_SEQ: Set G3 character set: ESC + <C>	1807	* XTERM_SEQ: Set G3 character set: ESC + <C>
1785	* See set_font_style for possible values for <C>	1808	* See set_font_style for possible values for <C>
1786	*/	1809	*/
1787	void	1810	void
1788	rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW	1811	rxvt_term::scr_charset_set (int set, unsigned int ch) noexcept
1789	{	1812	{
1790	charsets[set] = (unsigned char)ch;	1813	charsets[set] = (unsigned char)ch;
1791	set_font_style ();	1814	set_font_style ();
1792	}	1815	}
1793		1816
…		…
1798		1821
1799	/*	1822	/*
1800	* refresh matching text.	1823	* refresh matching text.
1801	*/	1824	*/
1802	bool ecb_cold	1825	bool ecb_cold
1803	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
1804	{	1827	{
1805	bool found = false;	1828	bool found = false;
1806		1829
1807	for (int i = 0; i < nrow; i++)	1830	for (int i = 0; i < nrow; i++)
1808	{	1831	{
…		…
1827	PART_END,	1850	PART_END,
1828	RC_COUNT	1851	RC_COUNT
1829	};	1852	};
1830		1853
1831	void ecb_hot	1854	void ecb_hot
1832	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
1833	{	1856	{
1834	int i;	1857	int i;
1835	row_col_t rc[RC_COUNT];	1858	row_col_t rc[RC_COUNT];
1836		1859
1837	if (!drawn_buf) /* sanity check */	1860	if (!drawn_buf) /* sanity check */
…		…
1871	/* ------------------------------------------------------------------------- */	1894	/* ------------------------------------------------------------------------- */
1872	/*	1895	/*
1873	* Refresh the entire screen	1896	* Refresh the entire screen
1874	*/	1897	*/
1875	void	1898	void
1876	rxvt_term::scr_touch (bool refresh) NOTHROW	1899	rxvt_term::scr_touch (bool refresh) noexcept
1877	{	1900	{
1878	scr_expose (0, 0, vt_width, vt_height, refresh);	1901	scr_expose (0, 0, vt_width, vt_height, refresh);
1879	}	1902	}
1880		1903
1881	/* ------------------------------------------------------------------------- */	1904	/* ------------------------------------------------------------------------- */
1882	/*	1905	/*
1883	* 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
1884	* the top of the screen	1907	* the top of the screen
1885	*/	1908	*/
1886	void	1909	void
1887	rxvt_term::scr_move_to (int y, int len) NOTHROW	1910	rxvt_term::scr_move_to (int y, int len) noexcept
1888	{	1911	{
1889	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);
1890	}	1914	}
1891		1915
1892	/* ------------------------------------------------------------------------- */	1916	/* ------------------------------------------------------------------------- */
1893	/*	1917	/*
1894	* Page the screen up/down nlines	1918	* Page the screen up/down nlines
1895	* direction should be UP or DN	1919	* direction should be UP or DN
1896	*/	1920	*/
1897	bool	1921	bool
1898	rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW	1922	rxvt_term::scr_page (int nlines) noexcept
1899	{	1923	{
1900	int new_view_start =
1901	direction == UP ? view_start - nlines
1902	: view_start + nlines;
1903
1904	return scr_changeview (new_view_start);	1924	return scr_changeview (view_start - nlines);
1905	}	1925	}
1906		1926
1907	bool	1927	bool
1908	rxvt_term::scr_changeview (int new_view_start) NOTHROW	1928	rxvt_term::scr_changeview (int new_view_start) noexcept
1909	{	1929	{
1910	clamp_it (new_view_start, top_row, 0);	1930	clamp_it (new_view_start, top_row, 0);
1911		1931
1912	if (new_view_start == view_start)	1932	if (new_view_start == view_start)
1913	return false;	1933	return false;
…		…
1931	}	1951	}
1932	#endif	1952	#endif
1933		1953
1934	/* ------------------------------------------------------------------------- */	1954	/* ------------------------------------------------------------------------- */
1935	void	1955	void
1936	rxvt_term::scr_bell () NOTHROW	1956	rxvt_term::scr_bell () noexcept
1937	{	1957	{
1938	#ifndef NO_BELL	1958	#ifndef NO_BELL
1939		1959
1940	# ifndef NO_MAPALERT	1960	# ifndef NO_MAPALERT
1941	# ifdef MAPALERT_OPTION	1961	# ifdef MAPALERT_OPTION
…		…
1963	#endif	1983	#endif
1964	}	1984	}
1965		1985
1966	/* ------------------------------------------------------------------------- */	1986	/* ------------------------------------------------------------------------- */
1967	void ecb_cold	1987	void ecb_cold
1968	rxvt_term::scr_printscreen (int fullhist) NOTHROW	1988	rxvt_term::scr_printscreen (int fullhist) noexcept
1969	{	1989	{
1970	#ifdef PRINTPIPE	1990	#ifdef PRINTPIPE
1971	int nrows, row_start;	1991	int nrows, row_start;
1972	FILE *fd = popen_printer ();	1992	FILE *fd = popen_printer ();
1973		1993
…		…
2022	* Refresh the screen	2042	* Refresh the screen
2023	* drawn_text/drawn_rend contain the screen information before the update.	2043	* drawn_text/drawn_rend contain the screen information before the update.
2024	* screen.text/screen.rend contain what the screen will change to.	2044	* screen.text/screen.rend contain what the screen will change to.
2025	*/	2045	*/
2026	void ecb_hot	2046	void ecb_hot
2027	rxvt_term::scr_refresh () NOTHROW	2047	rxvt_term::scr_refresh () noexcept
2028	{	2048	{
2029	int16_t col, row, /* column/row we're processing */	2049	int16_t col, row, /* column/row we're processing */
2030	ocrow; /* old cursor row */	2050	ocrow; /* old cursor row */
2031	int i; /* tmp */	2051	int i; /* tmp */
2032	#ifndef NO_CURSORCOLOR
2033	rend_t cc1; /* store colours at cursor position (s) */
2034	#endif
2035	rend_t *crp; // cursor rendition pointer
2036	rend_t ccol1, /* Cursor colour */	2052	rend_t ccol1, /* Cursor colour */
2037	ccol2; /* Cursor colour2 */	2053	ccol2; /* Cursor colour2 */
		2054	rend_t cur_rend;
		2055	int cur_col;
		2056	int cursorwidth;
2038		2057
2039	want_refresh = 0; /* screen is current */	2058	want_refresh = 0; /* screen is current */
2040		2059
2041	if (refresh_type == NO_REFRESH \|\| !mapped)	2060	if (refresh_type == NO_REFRESH \|\| !mapped)
2042	return;	2061	return;
…		…
2046	*/	2065	*/
2047	refresh_count = 0;	2066	refresh_count = 0;
2048		2067
2049	unsigned int old_screen_flags = screen.flags;	2068	unsigned int old_screen_flags = screen.flags;
2050	bool have_bg = 0;	2069	bool have_bg = 0;
2051	#ifdef HAVE_BG_PIXMAP	2070	#ifdef HAVE_IMG
2052	have_bg = bg_img != 0;	2071	have_bg = bg_img != 0;
2053	#endif	2072	#endif
2054	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */	2073	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2055		2074
2056	/*	2075	/*
…		…
2067		2086
2068	/*	2087	/*
2069	* C: set the cursor character (s)	2088	* C: set the cursor character (s)
2070	*/	2089	*/
2071	{	2090	{
2072	bool setoldcursor;
2073
2074	#ifdef CURSOR_BLINK	2091	#ifdef CURSOR_BLINK
2075	if (hidden_cursor)	2092	if (hidden_cursor)
2076	showcursor = 0;	2093	showcursor = 0;
2077	#endif	2094	#endif
2078		2095
…		…
2081	int col = screen.cur.col;	2098	int col = screen.cur.col;
2082		2099
2083	while (col && ROW(screen.cur.row).t[col] == NOCHAR)	2100	while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2084	col--;	2101	col--;
2085		2102
		2103	cursorwidth = 1;
		2104	while (col + cursorwidth < ncol
		2105	&& ROW(screen.cur.row).t[col + cursorwidth] == NOCHAR)
		2106	cursorwidth++;
		2107
2086	crp = &ROW(screen.cur.row).r[col];	2108	cur_rend = ROW(screen.cur.row).r[col];
		2109	cur_col = col;
2087		2110
2088	#ifndef NO_CURSORCOLOR	2111	#ifndef NO_CURSORCOLOR
2089	cc1 = *crp & (RS_fgMask \| RS_bgMask);
2090	if (ISSET_PIXCOLOR (Color_cursor))	2112	if (ISSET_PIXCOLOR (Color_cursor))
2091	ccol1 = Color_cursor;	2113	ccol1 = Color_cursor;
2092	else	2114	else
2093	#endif	2115	#endif
2094	#ifdef CURSOR_COLOR_IS_RENDITION_COLOR	2116	#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
…		…
2106	ccol2 = bgcolor_of (rstyle);	2128	ccol2 = bgcolor_of (rstyle);
2107	#else	2129	#else
2108	ccol2 = Color_bg;	2130	ccol2 = Color_bg;
2109	#endif	2131	#endif
2110		2132
2111	if (focus)	2133	if (focus && cursor_type == 0)
2112	{	2134	{
2113	if (option (Opt_cursorUnderline))	2135	rend_t rend = cur_rend;
2114	*crp ^= RS_Uline;	2136
2115	else
2116	{
2117	*crp ^= RS_RVid;	2137	rend ^= RS_RVid;
2118	crp = SET_FGCOLOR (crp, ccol1);	2138	rend = SET_FGCOLOR (rend, ccol1);
2119	crp = SET_BGCOLOR (crp, ccol2);	2139	rend = SET_BGCOLOR (rend, ccol2);
2120	}	2140
		2141	scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
2121	}	2142	}
2122	}	2143	}
2123		2144
2124	/* make sure no outline cursor is left around */	2145	/* make sure no outline cursor is left around */
2125	setoldcursor = 0;	2146	if (ocrow != -1 && ocrow < nrow && oldcursor.col < ncol)
2126	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)
2127	{	2154	{
2128	if (screen.cur.row - view_start != ocrow	2155	oldcursor.row = screen.cur.row - view_start;
2129	\|\| screen.cur.col != oldcursor.col)	2156	oldcursor.col = screen.cur.col;
2130	{
2131	if (ocrow < nrow
2132	&& oldcursor.col < ncol)
2133	drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid \| RS_Uline);
2134
2135	if (focus \|\| !showcursor)
2136	oldcursor.row = -1;
2137	else
2138	setoldcursor = 1;
2139	}
2140	}	2157	}
2141	else if (!focus)	2158	else
2142	setoldcursor = 1;
2143
2144	if (setoldcursor)
2145	{
2146	if (screen.cur.row - view_start >= nrow)
2147	oldcursor.row = -1;	2159	oldcursor.row = -1;
2148	else
2149	{
2150	oldcursor.row = screen.cur.row - view_start;
2151	oldcursor.col = screen.cur.col;
2152	}
2153	}
2154	}	2160	}
2155		2161
2156	#ifndef NO_SLOW_LINK_SUPPORT	2162	#ifndef NO_SLOW_LINK_SUPPORT
2157	/*	2163	/*
2158	* D: CopyArea pass - very useful for slower links	2164	* D: CopyArea pass - very useful for slower links
…		…
2239	int ypixel = (int)Row2Pixel (row);	2245	int ypixel = (int)Row2Pixel (row);
2240		2246
2241	for (col = 0; col < ncol; col++)	2247	for (col = 0; col < ncol; col++)
2242	{	2248	{
2243	/* compare new text with old - if exactly the same then continue */	2249	/* compare new text with old - if exactly the same then continue */
2244	if (stp[col] == dtp[col] /* Must match characters to skip. */	2250	if (stp[col] == dtp[col] && RS_SAME (srp[col], drp[col]))
2245	&& (RS_SAME (srp[col], drp[col]) /* Either rendition the same or */
2246	\|\| (stp[col] == ' ' /* space w/ no background change */
2247	&& GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2248	continue;	2251	continue;
2249		2252
2250	// redraw one or more characters	2253	// redraw one or more characters
2251		2254
2252	// seek to the beginning of wide characters	2255	// seek to the beginning of wide characters
…		…
2424	else	2427	else
2425	font->draw (*drawable, xpixel, ypixel, text, count, fore, back);	2428	font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2426		2429
2427	if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))	2430	if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2428	{	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
2429	#if ENABLE_FRILLS	2436	#if ENABLE_FRILLS
2430	if (ISSET_PIXCOLOR (Color_underline))	2437	if (ISSET_PIXCOLOR (Color_underline))
2431	XSetForeground (dpy, gc, pix_colors[Color_underline]);	2438	XSetForeground (dpy, gc, pix_colors[Color_underline]);
2432	else	2439	else
2433	#endif	2440	#endif
…		…
2445	*/	2452	*/
2446	if (showcursor)	2453	if (showcursor)
2447	{	2454	{
2448	if (focus)	2455	if (focus)
2449	{	2456	{
2450	if (option (Opt_cursorUnderline))	2457	if (cursor_type == 0)
2451	*crp ^= RS_Uline;	2458	scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2452	else	2459	else if (oldcursor.row >= 0)
2453	{	2460	{
2454	*crp ^= RS_RVid;	2461	XSetForeground (dpy, gc, pix_colors[ccol1]);
2455	#ifndef NO_CURSORCOLOR	2462	if (cursor_type == 1)
2456	crp = (crp & ~ (RS_fgMask \| RS_bgMask)) \| cc1;	2463	XFillRectangle (dpy, vt, gc,
2457	#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));
2458	}	2474	}
2459	}	2475	}
2460	else if (oldcursor.row >= 0)	2476	else if (oldcursor.row >= 0)
2461	{	2477	{
2462	int cursorwidth = 1;
2463	int col = oldcursor.col;
2464
2465	while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2466	col--;
2467
2468	while (col + cursorwidth < ncol
2469	&& drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2470	cursorwidth++;
2471
2472	#ifndef NO_CURSORCOLOR
2473	if (ISSET_PIXCOLOR (Color_cursor))
2474	XSetForeground (dpy, gc, pix_colors[Color_cursor]);
2475	else
2476	#endif
2477	XSetForeground (dpy, gc, pix_colors[ccol1]);	2478	XSetForeground (dpy, gc, pix_colors[ccol1]);
2478		2479
2479	XDrawRectangle (dpy, vt, gc,	2480	XDrawRectangle (dpy, vt, gc,
2480	Col2Pixel (col),	2481	Col2Pixel (cur_col),
2481	Row2Pixel (oldcursor.row),	2482	Row2Pixel (oldcursor.row),
2482	(unsigned int) (Width2Pixel (cursorwidth) - 1),	2483	(unsigned int) (Width2Pixel (cursorwidth) - 1),
2483	(unsigned int) (Height2Pixel (1) - 1));	2484	(unsigned int) (Height2Pixel (1) - 1));
2484	}	2485	}
2485	}	2486	}
…		…
2498	num_scr = 0;	2499	num_scr = 0;
2499	num_scr_allow = 1;	2500	num_scr_allow = 1;
2500	}	2501	}
2501		2502
2502	void ecb_cold	2503	void ecb_cold
2503	rxvt_term::scr_remap_chars (line_t &l) NOTHROW	2504	rxvt_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
2514	void ecb_cold	2515	void ecb_cold
2515	rxvt_term::scr_remap_chars () NOTHROW	2516	rxvt_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
2527	void ecb_cold	2528	void ecb_cold
2528	rxvt_term::scr_recolour (bool refresh) NOTHROW	2529	rxvt_term::scr_recolor (bool refresh) noexcept
2529	{	2530	{
2530	bool transparent = false;	2531	bool transparent = false;
2531		2532
2532	#ifdef HAVE_BG_PIXMAP	2533	#ifdef HAVE_IMG
2533	if (bg_img != 0)	2534	if (bg_img != 0)
2534	{	2535	{
2535	# if ENABLE_TRANSPARENCY	2536	# if ENABLE_TRANSPARENCY
2536	if (bg_flags & BG_IS_TRANSPARENT)	2537	if (bg_flags & BG_IS_TRANSPARENT)
2537	{	2538	{
…		…
2554	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);	2555	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2555	}	2556	}
2556		2557
2557	XClearWindow (dpy, parent);	2558	XClearWindow (dpy, parent);
2558		2559
2559	if (scrollBar.win)	2560	if (scrollBar.state && scrollBar.win)
2560	{	2561	{
2561	if (transparent)	2562	if (transparent)
2562	XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);	2563	XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2563	else	2564	else
2564	XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);	2565	XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2565	scrollBar.state = SB_STATE_IDLE;	2566	scrollBar.state = SB_STATE_IDLE;
2566	scrollBar.show (0);	2567	scrollBar.show (0);
2567	}	2568	}
2568		2569
2569	if (refresh)	2570	if (refresh)
…		…
2574	want_refresh = 1;	2575	want_refresh = 1;
2575	}	2576	}
2576		2577
2577	/* ------------------------------------------------------------------------- */	2578	/* ------------------------------------------------------------------------- */
2578	void	2579	void
2579	rxvt_term::scr_clear (bool really) NOTHROW	2580	rxvt_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
2591	void	2592	void
2592	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
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
2613	void	2614	void
2614	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
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	/* ------------------------------------------------------------------------- */
2640	void ecb_hot	2641	void ecb_hot
2641	rxvt_term::scr_reverse_selection () NOTHROW	2642	rxvt_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
2666	void	2667	void
2667	rxvt_term::scr_dump (int fd) NOTHROW	2668	rxvt_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	* ------------------------------------------------------------------------- */
2677	void	2678	void
2678	rxvt_term::selection_check (int check_more) NOTHROW	2679	rxvt_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)
…		…
2688	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)	2689	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
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
		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
2693	/* ------------------------------------------------------------------------- */	2708	/* ------------------------------------------------------------------------- */
2694	/*	2709	/*
2695	* Paste a selection direct to the command fd	2710	* Paste a selection direct to the command fd
2696	*/	2711	*/
2697	void	2712	void
2698	rxvt_term::tt_paste (char *data, unsigned int len) NOTHROW	2713	rxvt_term::tt_paste (char *data, unsigned int len) noexcept
2699	{	2714	{
2700	/* convert normal newline chars into common keyboard Return key sequence */	2715	/* convert normal newline chars into common keyboard Return key sequence */
2701	for (unsigned int i = 0; i < len; i++)	2716	for (unsigned int i = 0; i < len; i++)
2702	if (data[i] == C0_LF)	2717	if (data[i] == C0_LF)
2703	data[i] = C0_CR;	2718	data[i] = C0_CR;
2704		2719
2705	if (priv_modes & PrivMode_BracketPaste)	2720	#if ENABLE_FRILLS
		2721	if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2706	tt_printf ("\x1b[200~");	2722	tt_printf ("\x1b[200~");
		2723	#endif
2707		2724
2708	tt_write (data, len);	2725	tt_write (data, len);
2709		2726
2710	if (priv_modes & PrivMode_BracketPaste)	2727	#if ENABLE_FRILLS
		2728	if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2711	tt_printf ("\x1b[201~");	2729	tt_printf ("\x1b[201~");
		2730	#endif
2712	}	2731	}
2713		2732
2714	void	2733	void
2715	rxvt_term::paste (char *data, unsigned int len) NOTHROW	2734	rxvt_term::paste (char *data, unsigned int len) noexcept
2716	{	2735	{
2717	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)))
2718	return;	2737	return;
2719		2738
2720	tt_paste (data, len);	2739	tt_paste (data, len);
…		…
2726	* 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
2727	* as fallback	2746	* as fallback
2728	* EXT: button 2 release	2747	* EXT: button 2 release
2729	*/	2748	*/
2730	void	2749	void
2731	rxvt_term::selection_request (Time tm, int selnum) NOTHROW	2750	rxvt_term::selection_request (Time tm, int selnum) noexcept
2732	{	2751	{
2733	if (!selection_req)	2752	if (!selection_req)
2734	{	2753	{
2735	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);
2736	selection_req->run ();	2755	selection_req->run ();
…		…
2741	/*	2760	/*
2742	* Clear all selected text	2761	* Clear all selected text
2743	* EXT: SelectionClear	2762	* EXT: SelectionClear
2744	*/	2763	*/
2745	void	2764	void
2746	rxvt_term::selection_clear (bool clipboard) NOTHROW	2765	rxvt_term::selection_clear (bool clipboard) noexcept
2747	{	2766	{
2748	if (!clipboard)	2767	if (!clipboard)
2749	{	2768	{
2750	want_refresh = 1;	2769	want_refresh = 1;
2751	free (selection.text);	2770	free (selection.text);
…		…
2836	if (*t == NOCHAR)	2855	if (*t == NOCHAR)
2837	t++;	2856	t++;
2838	#if ENABLE_COMBINING	2857	#if ENABLE_COMBINING
2839	else if (IS_COMPOSE (*t))	2858	else if (IS_COMPOSE (*t))
2840	{	2859	{
2841	int len = rxvt_composite.expand (*t, 0);	2860	int len = rxvt_composite.expand (*t);
2842		2861
2843	extra -= (len - 1);	2862	extra -= (len - 1);
2844		2863
2845	if (extra < 0)	2864	if (extra < 0)
2846	{	2865	{
…		…
2893		2912
2894	selection_grab (tm);	2913	selection_grab (tm);
2895	}	2914	}
2896		2915
2897	bool	2916	bool
2898	rxvt_term::selection_grab (Time tm, bool clipboard) NOTHROW	2917	rxvt_term::selection_grab (Time tm, bool clipboard) noexcept
2899	{	2918	{
2900	Atom sel;	2919	Atom sel;
2901		2920
2902	if (!clipboard)	2921	if (!clipboard)
2903	{	2922	{
…		…
2937	/*	2956	/*
2938	* 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
2939	* EXT: button 1 press	2958	* EXT: button 1 press
2940	*/	2959	*/
2941	void ecb_cold	2960	void ecb_cold
2942	rxvt_term::selection_click (int clicks, int x, int y) NOTHROW	2961	rxvt_term::selection_click (int clicks, int x, int y) noexcept
2943	{	2962	{
2944	clicks = ((clicks - 1) % 3) + 1;	2963	clicks = ((clicks - 1) % 3) + 1;
2945	selection.clicks = clicks; /* save clicks so extend will work */	2964	selection.clicks = clicks; /* save clicks so extend will work */
2946		2965
2947	if (clicks == 2 && !selection.rect	2966	if (clicks == 2 && !selection.rect
…		…
2966	/* ------------------------------------------------------------------------- */	2985	/* ------------------------------------------------------------------------- */
2967	/*	2986	/*
2968	* Mark a selection at the specified col/row	2987	* Mark a selection at the specified col/row
2969	*/	2988	*/
2970	void ecb_cold	2989	void ecb_cold
2971	rxvt_term::selection_start_colrow (int col, int row) NOTHROW	2990	rxvt_term::selection_start_colrow (int col, int row) noexcept
2972	{	2991	{
2973	want_refresh = 1;	2992	want_refresh = 1;
2974		2993
2975	selection.mark.row = row + view_start;	2994	selection.mark.row = row + view_start;
2976	selection.mark.col = col;	2995	selection.mark.col = col;
…		…
2998	* Word select: select text for 2 clicks	3017	* Word select: select text for 2 clicks
2999	* We now only find out the boundary in one direction	3018	* We now only find out the boundary in one direction
3000	*/	3019	*/
3001		3020
3002	/* 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 */
3003	#define DELIMIT_TEXT(x) \	3022	#define DELIMIT_TEXT(x) \
3004	(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)))
3005	#define DELIMIT_REND(x) 1	3024	#define DELIMIT_REND(x) 1
3006		3025
3007	void ecb_cold	3026	void ecb_cold
3008	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
3009	{	3028	{
3010	int col, row, dirnadd, tcol, trow, w1, w2;	3029	int col, row, dirnadd, tcol, trow, w1, w2;
3011	row_col_t bound;	3030	row_col_t bound;
3012	text_t *stp;	3031	text_t *stp;
3013	rend_t *srp;	3032	rend_t *srp;
…		…
3087	* flag == 0 ==> button 1	3106	* flag == 0 ==> button 1
3088	* flag == 1 ==> button 3 press	3107	* flag == 1 ==> button 3 press
3089	* flag == 2 ==> button 3 motion	3108	* flag == 2 ==> button 3 motion
3090	*/	3109	*/
3091	void ecb_cold	3110	void ecb_cold
3092	rxvt_term::selection_extend (int x, int y, int flag) NOTHROW	3111	rxvt_term::selection_extend (int x, int y, int flag) noexcept
3093	{	3112	{
3094	int col = clamp (Pixel2Col (x), 0, ncol);	3113	int col = clamp (Pixel2Col (x), 0, ncol);
3095	int row = clamp (Pixel2Row (y), 0, nrow - 1);	3114	int row = clamp (Pixel2Row (y), 0, nrow - 1);
3096		3115
3097	/*	3116	/*
…		…
3123	/* ------------------------------------------------------------------------- */	3142	/* ------------------------------------------------------------------------- */
3124	/*	3143	/*
3125	* Extend the selection to the specified col/row	3144	* Extend the selection to the specified col/row
3126	*/	3145	*/
3127	void ecb_cold	3146	void ecb_cold
3128	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
3129	{	3148	{
3130	row_col_t pos;	3149	row_col_t pos;
3131	enum {	3150	enum {
3132	LEFT, RIGHT	3151	LEFT, RIGHT
3133	} closeto = RIGHT;	3152	} closeto = RIGHT;
3134
3135	want_refresh = 1;
3136		3153
3137	switch (selection.op)	3154	switch (selection.op)
3138	{	3155	{
3139	case SELECTION_INIT:	3156	case SELECTION_INIT:
3140	CLEAR_SELECTION ();	3157	CLEAR_SELECTION ();
…		…
3320		3337
3321	#if !ENABLE_MINIMAL	3338	#if !ENABLE_MINIMAL
3322	if (selection.rect && selection.beg.col > selection.end.col)	3339	if (selection.rect && selection.beg.col > selection.end.col)
3323	::swap (selection.beg.col, selection.end.col);	3340	::swap (selection.beg.col, selection.end.col);
3324	#endif	3341	#endif
		3342
		3343	selection_changed ();
3325	}	3344	}
3326		3345
3327	#if !ENABLE_MINIMAL	3346	#if !ENABLE_MINIMAL
3328	void ecb_cold	3347	void ecb_cold
3329	rxvt_term::selection_remove_trailing_spaces () NOTHROW	3348	rxvt_term::selection_remove_trailing_spaces () noexcept
3330	{	3349	{
3331	int32_t end_col, end_row;	3350	int32_t end_col, end_row;
3332	text_t *stp;	3351	text_t *stp;
3333		3352
3334	end_col = selection.end.col;	3353	end_col = selection.end.col;
…		…
3372	/*	3391	/*
3373	* Double click on button 3 when already selected	3392	* Double click on button 3 when already selected
3374	* EXT: button 3 double click	3393	* EXT: button 3 double click
3375	*/	3394	*/
3376	void ecb_cold	3395	void ecb_cold
3377	rxvt_term::selection_rotate (int x, int y) NOTHROW	3396	rxvt_term::selection_rotate (int x, int y) noexcept
3378	{	3397	{
3379	selection.clicks = selection.clicks % 3 + 1;	3398	selection.clicks = selection.clicks % 3 + 1;
3380	selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);	3399	selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3381	}	3400	}
3382		3401
…		…
3384	/*	3403	/*
3385	* Respond to a request for our current selection	3404	* Respond to a request for our current selection
3386	* EXT: SelectionRequest	3405	* EXT: SelectionRequest
3387	*/	3406	*/
3388	void ecb_cold	3407	void ecb_cold
3389	rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW	3408	rxvt_term::selection_send (const XSelectionRequestEvent &rq) noexcept
3390	{	3409	{
3391	Atom property = rq.property == None ? rq.target : rq.property;	3410	Atom property = rq.property == None ? rq.target : rq.property;
3392	XSelectionEvent ev;	3411	XSelectionEvent ev;
3393		3412
3394	ev.type = SelectionNotify;	3413	ev.type = SelectionNotify;
…		…
3486	cl = selection.clip_text;	3505	cl = selection.clip_text;
3487	selectlen = selection.clip_len;	3506	selectlen = selection.clip_len;
3488	}	3507	}
3489	else	3508	else
3490	{	3509	{
3491	cl = L"";	3510	cl = (wchar_t *)L"";
3492	selectlen = 0;	3511	selectlen = 0;
3493	}	3512	}
3494		3513
3495	#if !ENABLE_MINIMAL	3514	#if !ENABLE_MINIMAL
3496	// 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
…		…
3528	}	3547	}
3529		3548
3530	/* ------------------------------------------------------------------------- */	3549	/* ------------------------------------------------------------------------- */
3531	#if USE_XIM	3550	#if USE_XIM
3532	void ecb_cold	3551	void ecb_cold
3533	rxvt_term::im_set_position (XPoint &pos) NOTHROW	3552	rxvt_term::im_set_position (XPoint &pos) noexcept
3534	{	3553	{
3535	XWindowAttributes xwa;	3554	XWindowAttributes xwa;
3536		3555
3537	XGetWindowAttributes (dpy, vt, &xwa);	3556	XGetWindowAttributes (dpy, vt, &xwa);
3538		3557
…		…
3541	}	3560	}
3542	#endif	3561	#endif
3543		3562
3544	#if ENABLE_OVERLAY	3563	#if ENABLE_OVERLAY
3545	void	3564	void
3546	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
3547	{	3566	{
3548	if (nrow < 1 \|\| ncol < 1)	3567	if (nrow < 1 \|\| ncol < 1)
3549	return;	3568	return;
3550		3569
3551	want_refresh = 1;	3570	want_refresh = 1;
…		…
3596	*rp = r;	3615	*rp = r;
3597	}	3616	}
3598	}	3617	}
3599		3618
3600	void	3619	void
3601	rxvt_term::scr_overlay_off () NOTHROW	3620	rxvt_term::scr_overlay_off () noexcept
3602	{	3621	{
3603	if (!ov.text)	3622	if (!ov.text)
3604	return;	3623	return;
3605		3624
3606	want_refresh = 1;	3625	want_refresh = 1;
…		…
3614	delete [] ov.text; ov.text = 0;	3633	delete [] ov.text; ov.text = 0;
3615	delete [] ov.rend; ov.rend = 0;	3634	delete [] ov.rend; ov.rend = 0;
3616	}	3635	}
3617		3636
3618	void	3637	void
3619	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
3620	{	3639	{
3621	if (!ov.text \|\| x >= ov.w - 2 \|\| y >= ov.h - 2)	3640	if (!ov.text \|\| x >= ov.w - 2 \|\| y >= ov.h - 2)
3622	return;	3641	return;
3623		3642
3624	x++, y++;	3643	x++, y++;
…		…
3626	ov.text[y][x] = text;	3645	ov.text[y][x] = text;
3627	ov.rend[y][x] = rend;	3646	ov.rend[y][x] = rend;
3628	}	3647	}
3629		3648
3630	void	3649	void
3631	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
3632	{	3651	{
3633	while (*s)	3652	while (*s)
3634	scr_overlay_set (x++, y, *s++);	3653	scr_overlay_set (x++, y, *s++);
3635	}	3654	}
3636		3655
3637	void	3656	void
3638	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
3639	{	3658	{
3640	while (*s)	3659	while (*s)
3641	{	3660	{
3642	text_t t = *s++;	3661	text_t t = *s++;
3643	int width = WCWIDTH (t);	3662	int width = WCWIDTH (t);
…		…
3649	}	3668	}
3650	}	3669	}
3651	}	3670	}
3652		3671
3653	void	3672	void
3654	rxvt_term::scr_swap_overlay () NOTHROW	3673	rxvt_term::scr_swap_overlay () noexcept
3655	{	3674	{
3656	if (!ov.text)	3675	if (!ov.text)
3657	return;	3676	return;
3658		3677
3659	// hide cursor if it is within the overlay area	3678	// hide cursor if it is within the overlay area

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+Removed lines
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Comparing rxvt-unicode/src/screen.C (file contents): Revision 1.421 by sf-exg, Sun Jun 10 13:07:56 2012 UTC vs. Revision 1.465 by root, Thu Aug 4 18:28:44 2022 UTC

Diff Legend

Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.421 by sf-exg, Sun Jun 10 13:07:56 2012 UTC vs.
Revision 1.465 by root, Thu Aug 4 18:28:44 2022 UTC