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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.351 by sf-exg, Fri Oct 15 11:07:45 2010 UTC vs.
Revision 1.465 by root, Thu Aug 4 18:28:44 2022 UTC

1	/*---------------------------------------------------------------------------*	1	/*---------------------------------------------------------------------------*
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 <pcg@goof.com>	6	* Copyright (c) 2003-2007 Marc Lehmann <schmorp@schmorp.de>
		7	* Copyright (c) 2015 Emanuele Giaquinta <e.giaquinta@glauco.it>
7	*	8	*
8	* This program is free software; you can redistribute it and/or modify	9	* This program is free software; you can redistribute it and/or modify
9	* it under the terms of the GNU General Public License as published by	10	* it under the terms of the GNU General Public License as published by
10	* the Free Software Foundation; either version 2 of the License, or	11	* the Free Software Foundation; either version 3 of the License, or
11	* (at your option) any later version.	12	* (at your option) any later version.
12	*	13	*
13	* This program is distributed in the hope that it will be useful,	14	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
…		…
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
33	#include "salloc.C" // HACK, should be a separate compile!
34
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--)
39	*start++ = value;	38	*start++ = value;
40	}	39	}
41		40
42	/* ------------------------------------------------------------------------- */	41	/* ------------------------------------------------------------------------- */
43	#define PROP_SIZE 256*1024
44	#define PASTE_SIZE 32768
45	#define TABSIZE 8 /* default tab size */	42	#define TABSIZE 8 /* default tab size */
46		43
47	/* ------------------------------------------------------------------------- *	44	/* ------------------------------------------------------------------------- *
48	* GENERAL SCREEN AND SELECTION UPDATE ROUTINES *	45	* GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
49	* ------------------------------------------------------------------------- */	46	* ------------------------------------------------------------------------- */
…		…
98	* SCREEN `COMMON' ROUTINES *	95	* SCREEN `COMMON' ROUTINES *
99	* ------------------------------------------------------------------------- */	96	* ------------------------------------------------------------------------- */
100		97
101	/* Fill part/all of a line with blanks. */	98	/* Fill part/all of a line with blanks. */
102	void	99	void
103	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
104	{	101	{
105	if (!l.t)	102	if (!l.valid ())
106	{	103	{
107	lalloc (l);	104	l.alloc ();
108	col = 0;	105	col = 0;
109	width = ncol;	106	width = ncol;
110	}	107	}
111		108
112	l.touch ();	109	l.touch ();
113		110
114	efs &= ~RS_baseattrMask; // remove italic etc. fontstyles	111	efs &= ~RS_baseattrMask; // remove italic etc. fontstyles
115	efs = SET_FONT (efs, FONTSET (efs)->find_font (' '));	112	efs = SET_FONT (efs, FONTSET (efs)->find_space_font ());
116		113
117	text_t *et = l.t + col;	114	text_t *et = l.t + col;
118	rend_t *er = l.r + col;	115	rend_t *er = l.r + col;
119		116
120	while (width--)	117	while (width--)
…		…
125	}	122	}
126		123
127	/* ------------------------------------------------------------------------- */	124	/* ------------------------------------------------------------------------- */
128	/* 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 */
129	void	126	void
130	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
131	{	128	{
132	scr_blank_line (l, 0, ncol, efs);	129	scr_blank_line (l, 0, ncol, efs);
133		130
134	l.l = 0;	131	l.l = 0;
135	l.f = 0;	132	l.f = 0;
136	}	133	}
137		134
138	// nuke a single wide character at the given column	135	// nuke a single wide character at the given column
139	void	136	void
140	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
141	{	138	{
142	// find begin	139	// find begin
143	while (col > 0 && l.t[col] == NOCHAR)	140	while (col > 0 && l.t[col] == NOCHAR)
144	col--;	141	col--;
145		142
146	rend_t rend = l.r[col] & ~RS_baseattrMask;	143	rend_t rend = l.r[col] & ~RS_baseattrMask;
147	rend = SET_FONT (rend, FONTSET (rend)->find_font (' '));	144	rend = SET_FONT (rend, FONTSET (rend)->find_space_font ());
		145
		146	l.touch ();
148		147
149	// found start, nuke	148	// found start, nuke
150	do {	149	do {
151	l.t[col] = ' ';	150	l.t[col] = ' ';
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
		171	rxvt_term::scr_alloc () noexcept
		172	{
		173	int tsize = sizeof (text_t) * ncol;
		174	int rsize = sizeof (rend_t) * ncol;
		175
		176	// we assume that rend_t size is a sufficient alignment
		177	// factor for text_t and line_t values, and we only
		178	// need to adjust tsize.
		179	tsize = (tsize + sizeof (rend_t) - 1);
		180	tsize -= tsize % sizeof (rend_t);
		181
		182	int all_rows = total_rows + nrow + nrow;
		183
		184	chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
		185	chunk = chunk_alloc (chunk_size, 0);
		186
		187	char *base = (char *)chunk + sizeof (line_t) * all_rows;
		188
		189	for (int row = 0; row < all_rows; ++row)
		190	{
		191	line_t &l = ((line_t *)chunk) [row];
		192
		193	l.t = (text_t *)base; base += tsize;
		194	l.r = (rend_t *)base; base += rsize;
		195	l.l = -1;
		196	l.f = 0;
		197	}
		198
		199	drawn_buf = (line_t *)chunk;
		200	swap_buf = drawn_buf + nrow;
		201	row_buf = swap_buf + nrow;
		202	}
		203
		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
162	rxvt_term::scr_reset ()	215	rxvt_term::scr_reset ()
163	{	216	{
		217	#if ENABLE_OVERLAY
		218	scr_overlay_off ();
		219	#endif
		220
164	view_start = 0;	221	view_start = 0;
165	num_scr = 0;	222	num_scr = 0;
166		223
167	if (ncol == 0)	224	if (ncol == 0)
168	ncol = 80;	225	ncol = 80;
…		…
188	total_rows = nrow + saveLines;	245	total_rows = nrow + saveLines;
189		246
190	screen.tscroll = 0;	247	screen.tscroll = 0;
191	screen.bscroll = nrow - 1;	248	screen.bscroll = nrow - 1;
192		249
		250	void *prev_chunk = chunk;
		251	size_t prev_chunk_size = chunk_size;
		252	line_t *prev_drawn_buf = drawn_buf;
		253	line_t *prev_swap_buf = swap_buf;
		254	line_t *prev_row_buf = row_buf;
		255
		256	scr_alloc ();
		257
193	if (!row_buf)	258	if (!prev_row_buf)
194	{	259	{
195	/*
196	* first time called so just malloc everything: don't rely on realloc
197	*/
198	top_row = 0;	260	top_row = 0;
199	term_start = 0;	261	term_start = 0;
200
201	talloc = new rxvt_salloc (ncol * sizeof (text_t));
202	ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
203
204	row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
205	drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
206	swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
207
208	for (int row = nrow; row--; )
209	{
210	scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
211	scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
212	scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
213	}
214		262
215	memset (charsets, 'B', sizeof (charsets));	263	memset (charsets, 'B', sizeof (charsets));
216	rstyle = DEFAULT_RSTYLE;	264	rstyle = DEFAULT_RSTYLE;
217	screen.flags = Screen_DefaultFlags;	265	screen.flags = Screen_DefaultFlags;
218	screen.cur.row = screen.cur.col = 0;	266	screen.cur.row = screen.cur.col = 0;
…		…
241	{	289	{
242	/*	290	/*
243	* add or delete rows as appropriate	291	* add or delete rows as appropriate
244	*/	292	*/
245		293
246	rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));	294	int common_col = min (prev_ncol, ncol);
247	rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
248		295
249	#if 0	296	// resize swap_buf, blank drawn_buf
250	if (nrow < prev_nrow)
251	{
252	for (int row = nrow; row < prev_nrow; row++)
253	{
254	lfree (swap_buf [row]);
255	lfree (drawn_buf[row]);
256	}
257	}
258	#endif
259
260	drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
261	swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
262
263	for (int row = min (nrow, prev_nrow); row--; )	297	for (int row = min (nrow, prev_nrow); row--; )
264	{	298	{
265	lresize (drawn_buf[row]);	299	scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
266	lresize (swap_buf [row]);	300	memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
267	}	301	memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
268		302
269	for (int row = prev_nrow; row < nrow; row++)	303	copy_line (swap_buf [row], prev_swap_buf [row]);
270	{	304	}
271	swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
272	drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
273	}
274
275	line_t *old_buf = row_buf;
276	row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
277		305
278	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
279	int pend = MOD (term_start + top_row , prev_total_rows);	307	int pend = MOD (term_start + top_row , prev_total_rows);
280	int q = total_rows; // rewrapped row	308	int q = total_rows; // rewrapped row
281		309
282	if (top_row)	310	#if ENABLE_FRILLS
		311	if ((rewrap_always || top_row) && !rewrap_never)
283	{	312	{
284	// 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
285	// to come up with a lean and mean algorithm.	314	// to come up with a lean and mean algorithm.
286	// TODO: maybe optimise when width didn't change	315	// TODO: maybe optimise when width didn't change
287		316
…		…
289	ocur.row = MOD (term_start + ocur.row, prev_total_rows);	318	ocur.row = MOD (term_start + ocur.row, prev_total_rows);
290		319
291	do	320	do
292	{	321	{
293	p = MOD (p - 1, prev_total_rows);	322	p = MOD (p - 1, prev_total_rows);
294	assert (old_buf [MOD (p, prev_total_rows)].t);	323	assert (prev_row_buf [MOD (p, prev_total_rows)].t);
295	int plines = 1;	324	int plines = 1;
296	int llen = old_buf [MOD (p, prev_total_rows)].l;	325	int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
297		326
298	while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())	327	while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
299	{	328	{
300	p = MOD (p - 1, prev_total_rows);	329	p = MOD (p - 1, prev_total_rows);
301		330
302	plines++;	331	plines++;
303	llen += prev_ncol;	332	llen += prev_ncol;
304	}	333	}
305		334
306	int qlines = max (0, (llen - 1) / ncol) + 1;	335	int qlines = max (0, (llen - 1) / ncol) + 1;
307		336
		337	q -= qlines;
		338
308	// drop partial lines completely	339	// drop partial lines completely
309	if (q < qlines)	340	if (q < 0)
310	break;	341	break;
311
312	q -= qlines;
313		342
314	int lofs = 0;	343	int lofs = 0;
315	line_t *qline;	344	line_t *qline;
316		345
317	// re-assemble the full line by destination lines	346	// re-assemble the full line by destination lines
318	for (int qrow = q; qlines--; qrow++)	347	for (int qrow = q; qlines--; qrow++)
319	{	348	{
320	qline = row_buf + qrow;	349	qline = row_buf + qrow;
321	lalloc (*qline);	350	qline->alloc (); // redundant with next line
322	qline->l = ncol;	351	qline->l = ncol;
323	qline->is_longer (1);	352	qline->is_longer (1);
324		353
325	int qcol = 0;	354	int qcol = 0;
326		355
…		…
341	// this seems to upset applications/shells/readline	370	// this seems to upset applications/shells/readline
342	// least.	371	// least.
343	if (prow == ocur.row)	372	if (prow == ocur.row)
344	screen.cur.row = q - (total_rows - nrow);	373	screen.cur.row = q - (total_rows - nrow);
345		374
346	line_t &pline = old_buf [prow];	375	line_t &pline = prev_row_buf [prow];
347		376
348	int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);	377	int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
349		378
350	memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));	379	memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
351	memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));	380	memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
…		…
359	qline->is_longer (0);	388	qline->is_longer (0);
360	scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);	389	scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
361	}	390	}
362	while (p != pend && q > 0);	391	while (p != pend && q > 0);
363		392
364	term_start = total_rows - nrow;
365	top_row = q - term_start;
366
367	// make sure all terminal lines exist	393	// make sure all terminal lines exist
368	while (top_row > 0)	394	while (top_row > 0)
369	scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);	395	scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
370	}	396	}
371	else	397	else
		398	#endif
		399	{
		400	// wing, instead of wrap
372	{	401	do
373	// if no scrollback exists (yet), wing, instead of wrap
374
375	for (int row = min (nrow, prev_nrow); row--; )
376	{	402	{
377	line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)];	403	p = MOD (p - 1, prev_total_rows);
378	line_t &qline = row_buf [row];	404	q--;
379		405
380	qline = pline;	406	copy_line (row_buf [q], prev_row_buf [p]);
381	lresize (qline);
382	}	407	}
		408	while (p != pend);
383		409
384	for (int row = prev_nrow; row < nrow; row++)	410	screen.cur.row += nrow - prev_nrow;
385	{
386	row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
387	}	411	}
388		412
389	term_start = 0;	413	term_start = total_rows - nrow;
390	}	414	top_row = q - term_start;
391
392	free (old_buf);
393	delete old_ta;
394	delete old_ra;
395		415
396	clamp_it (screen.cur.row, 0, nrow - 1);	416	clamp_it (screen.cur.row, 0, nrow - 1);
397	clamp_it (screen.cur.col, 0, ncol - 1);	417	clamp_it (screen.cur.col, 0, ncol - 1);
398	}	418	}
399		419
		420	// ensure drawn_buf, swap_buf and terminal rows are all initialized
		421	for (int row = nrow; row--; )
		422	{
		423	if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
		424	if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
		425	if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
		426	}
		427
		428	chunk_free (prev_chunk, prev_chunk_size);
		429
400	free (tabs);	430	free (tabs);
401	tabs = (char *)rxvt_malloc (ncol);	431	tabs = (char *)rxvt_malloc (ncol);
402		432
403	for (int col = ncol; --col; )	433	for (int col = ncol; col--; )
404	tabs [col] = col % TABSIZE == 0;	434	tabs [col] = col % TABSIZE == 0;
405		435
406	CLEAR_ALL_SELECTION ();	436	CLEAR_ALL_SELECTION ();
407		437
408	prev_nrow = nrow;	438	prev_nrow = nrow;
…		…
411	tt_winch ();	441	tt_winch ();
412		442
413	HOOK_INVOKE ((this, HOOK_RESET, DT_END));	443	HOOK_INVOKE ((this, HOOK_RESET, DT_END));
414	}	444	}
415		445
416	/* ------------------------------------------------------------------------- */	446	void ecb_cold
417	/*
418	* Free everything. That way malloc debugging can find leakage.
419	*/
420	void
421	rxvt_term::scr_release () NOTHROW	447	rxvt_term::scr_release () noexcept
422	{	448	{
423	if (row_buf)	449	chunk_free (chunk, chunk_size);
424	{	450	chunk = 0;
425	delete talloc; talloc = 0;	451	row_buf = 0;
426	delete ralloc; ralloc = 0;
427		452
428	free (row_buf);
429	free (swap_buf);
430	free (drawn_buf);
431	row_buf = 0; // signal that we freed all the arrays above
432
433	free (tabs);	453	free (tabs);
434	tabs = 0;	454	tabs = 0;
435	}
436	}	455	}
437		456
438	/* ------------------------------------------------------------------------- */	457	/* ------------------------------------------------------------------------- */
439	/*	458	/*
440	* Hard/Soft reset	459	* Hard/Soft reset
441	*/	460	*/
442	void	461	void ecb_cold
443	rxvt_term::scr_poweron ()	462	rxvt_term::scr_poweron ()
444	{	463	{
445	scr_release ();	464	scr_release ();
		465
446	prev_nrow = prev_ncol = 0;	466	prev_nrow = prev_ncol = 0;
447	rvideo_mode = false;	467	rvideo_mode = false;
448	scr_soft_reset ();	468	scr_soft_reset ();
449	scr_reset ();	469	scr_reset ();
450		470
451	scr_clear (true);	471	scr_clear (true);
452	scr_refresh ();	472	scr_refresh ();
453	}	473	}
454		474
455	void	475	void ecb_cold
456	rxvt_term::scr_soft_reset ()	476	rxvt_term::scr_soft_reset () noexcept
457	{	477	{
458	/* only affects modes, nothing drastic such as clearing the screen */	478	/* only affects modes, nothing drastic such as clearing the screen */
459	#if ENABLE_OVERLAY	479	#if ENABLE_OVERLAY
460	scr_overlay_off ();	480	scr_overlay_off ();
461	#endif	481	#endif
…		…
475	* Save and Restore cursor	495	* Save and Restore cursor
476	* XTERM_SEQ: Save cursor : ESC 7	496	* XTERM_SEQ: Save cursor : ESC 7
477	* XTERM_SEQ: Restore cursor: ESC 8	497	* XTERM_SEQ: Restore cursor: ESC 8
478	*/	498	*/
479	void	499	void
480	rxvt_term::scr_cursor (cursor_mode mode) NOTHROW	500	rxvt_term::scr_cursor (cursor_mode mode) noexcept
481	{	501	{
482	screen_t *s;	502	screen_t *s;
483		503
484	#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)	504	#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
485	if (current_screen == SECONDARY)	505	if (current_screen == SECONDARY)
…		…
516	assert (s->cur.row >= 0);	536	assert (s->cur.row >= 0);
517	assert (s->cur.col >= 0);	537	assert (s->cur.col >= 0);
518	}	538	}
519		539
520	void	540	void
521	rxvt_term::scr_swap_screen ()	541	rxvt_term::scr_swap_screen () noexcept
522	{	542	{
523	if (!option (Opt_secondaryScreen))	543	if (!option (Opt_secondaryScreen))
524	return;	544	return;
525		545
526	for (int i = prev_nrow; i--; )	546	for (int i = prev_nrow; i--; )
…		…
545	return;	565	return;
546		566
547	want_refresh = 1;	567	want_refresh = 1;
548	view_start = 0;	568	view_start = 0;
549		569
550	selection_check (2); /* check for boundary cross */	570	/* check for boundary cross */
		571	row_col_t pos;
		572	pos.row = pos.col = 0;
		573	if (ROWCOL_IS_BEFORE (selection.beg, pos)
		574	&& ROWCOL_IS_AFTER (selection.end, pos))
		575	CLEAR_SELECTION ();
551		576
552	current_screen = scrn;	577	current_screen = scrn;
553		578
554	#if NSCREENS	579	#if NSCREENS
555	if (option (Opt_secondaryScreen))	580	if (option (Opt_secondaryScreen))
…		…
569	scr_scroll_text (0, prev_nrow - 1, prev_nrow);	594	scr_scroll_text (0, prev_nrow - 1, prev_nrow);
570	}	595	}
571		596
572	// clear WrapNext indicator, solidifying position on next line	597	// clear WrapNext indicator, solidifying position on next line
573	void	598	void
574	rxvt_term::scr_do_wrap () NOTHROW	599	rxvt_term::scr_do_wrap () noexcept
575	{	600	{
576	if (!(screen.flags & Screen_WrapNext))	601	if (!(screen.flags & Screen_WrapNext))
577	return;	602	return;
578		603
579	screen.flags &= ~Screen_WrapNext;	604	screen.flags &= ~Screen_WrapNext;
…		…
589	/* ------------------------------------------------------------------------- */	614	/* ------------------------------------------------------------------------- */
590	/*	615	/*
591	* Change the colour for following text	616	* Change the colour for following text
592	*/	617	*/
593	void	618	void
594	rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW	619	rxvt_term::scr_color (unsigned int color, int fgbg) noexcept
595	{	620	{
596	if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))	621	if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR24))
597	color = fgbg;	622	color = fgbg;
598		623
599	if (fgbg == Color_fg)	624	if (fgbg == Color_fg)
600	rstyle = SET_FGCOLOR (rstyle, color);	625	rstyle = SET_FGCOLOR (rstyle, color);
601	else	626	else
…		…
605	/* ------------------------------------------------------------------------- */	630	/* ------------------------------------------------------------------------- */
606	/*	631	/*
607	* Change the rendition style for following text	632	* Change the rendition style for following text
608	*/	633	*/
609	void	634	void
610	rxvt_term::scr_rendition (int set, int style) NOTHROW	635	rxvt_term::scr_rendition (int set, int style) noexcept
611	{	636	{
612	if (set)	637	if (set)
613	rstyle |= style;	638	rstyle |= style;
614	else if (style == ~RS_None)	639	else if (style == ~RS_None)
615	rstyle = DEFAULT_RSTYLE;	640	rstyle = DEFAULT_RSTYLE;
…		…
621	/*	646	/*
622	* Scroll text between <row1> and <row2> inclusive, by <count> lines	647	* Scroll text between <row1> and <row2> inclusive, by <count> lines
623	* count positive ==> scroll up	648	* count positive ==> scroll up
624	* count negative ==> scroll down	649	* count negative ==> scroll down
625	*/	650	*/
626	int	651	int ecb_hot
627	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
628	{	653	{
629	if (count == 0 || (row1 > row2))	654	if (count == 0 || (row1 > row2))
630	return 0;	655	return 0;
631		656
632	want_refresh = 1;	657	want_refresh = 1;
…		…
634		659
635	if (count > 0	660	if (count > 0
636	&& row1 == 0	661	&& row1 == 0
637	&& (current_screen == PRIMARY || option (Opt_secondaryScroll)))	662	&& (current_screen == PRIMARY || option (Opt_secondaryScroll)))
638	{	663	{
		664	min_it (count, total_rows - (nrow - (row2 + 1)));
		665
639	top_row = max (top_row - count, -saveLines);	666	top_row = max (top_row - count, -saveLines);
640
641	// scroll everything up 'count' lines
642	term_start = (term_start + count) % total_rows;
643		667
644	// sever bottommost line	668	// sever bottommost line
645	{	669	{
646	line_t &l = ROW(row2 - count);	670	line_t &l = ROW(row2);
647	l.is_longer (0);	671	l.is_longer (0);
648	l.touch ();	672	l.touch ();
649	}	673	}
650		674
		675	// scroll everything up 'count' lines
		676	term_start = (term_start + count) % total_rows;
		677
		678	// now copy lines below the scroll region bottom to the
		679	// bottom of the screen again, so they look as if they
		680	// hadn't moved.
		681	for (int i = nrow; --i > row2; )
		682	{
		683	line_t &l1 = ROW(i - count);
		684	line_t &l2 = ROW(i);
		685
		686	::swap (l1, l2);
		687	l2.touch ();
		688	}
		689
651	// erase newly scrolled-in lines	690	// erase newly scrolled-in lines
652	for (int i = count; i--; )	691	for (int i = count; i--; )
653	{	692	{
654	line_t &l = ROW(nrow - 1 - i);	693	line_t &l = ROW(row2 - i);
655		694
656	// optimize if already cleared, can be significant on slow machines	695	// optimise if already cleared, can be significant on slow machines
657	// could be rolled into scr_blank_screen_mem	696	// could be rolled into scr_blank_screen_mem
658	if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))	697	if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
659	{	698	{
660	scr_blank_line (l, 0, l.l, rstyle);	699	scr_blank_line (l, 0, l.l, rstyle);
661	l.l = 0;	700	l.l = 0;
…		…
663	}	702	}
664	else	703	else
665	scr_blank_screen_mem (l, rstyle);	704	scr_blank_screen_mem (l, rstyle);
666	}	705	}
667		706
668	// now copy lines below the scroll region bottom to the
669	// bottom of the screen again, so they look as if they
670	// hadn't moved.
671	for (int i = nrow; --i > row2; )
672	{
673	line_t &l1 = ROW(i - count);
674	line_t &l2 = ROW(i);
675
676	::swap (l1, l2);
677	l2.touch ();
678	}
679
680	// move and/or clear selection, if any	707	// move and/or clear selection, if any
681	if (selection.op && current_screen == selection.screen)	708	if (selection.op && current_screen == selection.screen
		709	&& selection.beg.row <= row2)
682	{	710	{
683	selection.beg.row -= count;	711	selection.beg.row -= count;
684	selection.end.row -= count;	712	selection.end.row -= count;
685	selection.mark.row -= count;	713	selection.mark.row -= count;
686		714
687	if (selection.beg.row < top_row	715	selection_check (0);
688	|| selection.end.row < top_row
689	|| selection.mark.row < top_row)
690	{
691	CLEAR_ALL_SELECTION ();
692	selection.op = SELECTION_CLEAR;
693	}
694	}	716	}
695		717
696	// finally move the view window, if desired	718	// finally move the view window, if desired
697	if (option (Opt_scrollWithBuffer)	719	if (option (Opt_scrollWithBuffer)
698	&& view_start != 0	720	&& view_start != 0
699	&& view_start != -saveLines)	721	&& view_start != -saveLines)
700	scr_page (UP, count);	722	scr_page (count);
701		723
702	if (SHOULD_INVOKE (HOOK_SCROLL_BACK))	724	if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
703	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));
704	}	726	}
705	else	727	else
…		…
728	}	750	}
729		751
730	// use a simple and robust scrolling algorithm, this	752	// use a simple and robust scrolling algorithm, this
731	// part of scr_scroll_text is not time-critical.	753	// part of scr_scroll_text is not time-critical.
732		754
		755	// sever line above scroll region
		756	if (row1)
		757	{
		758	line_t &l = ROW(row1 - 1);
		759	l.is_longer (0);
		760	l.touch ();
		761	}
		762
733	int rows = row2 - row1 + 1;	763	int rows = row2 - row1 + 1;
734		764
735	min_it (count, rows);	765	min_it (count, rows);
736		766
737	line_t *temp_buf = row_buf + total_rows;	767	line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
738		768
739	for (int row = 0; row < rows; row++)	769	for (int row = 0; row < rows; row++)
740	{	770	{
741	temp_buf [row] = ROW(row1 + (row + count + rows) % rows);	771	temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
742		772
…		…
744	scr_blank_screen_mem (temp_buf [row], rstyle);	774	scr_blank_screen_mem (temp_buf [row], rstyle);
745	}	775	}
746		776
747	for (int row = 0; row < rows; row++)	777	for (int row = 0; row < rows; row++)
748	ROW(row1 + row) = temp_buf [row];	778	ROW(row1 + row) = temp_buf [row];
		779
		780	// sever bottommost line
		781	{
		782	line_t &l = ROW(row2);
		783	l.is_longer (0);
		784	l.touch ();
		785	}
749	}	786	}
750		787
751	return count;	788	return count;
752	}	789	}
753		790
754	/* ------------------------------------------------------------------------- */	791	/* ------------------------------------------------------------------------- */
755	/*	792	/*
756	* Add text given in <str> of length <len> to screen struct	793	* Add text given in <str> of length <len> to screen struct
757	*/	794	*/
758	void	795	void ecb_hot
759	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
760	{	797	{
761	if (len <= 0) /* sanity */	798	if (len <= 0) /* sanity */
762	return;	799	return;
763		800
764	unsigned char checksel;	801	bool checksel;
765	unicode_t c;	802	unicode_t c;
766	int ncol = this->ncol;	803	int ncol = this->ncol;
767	const wchar_t *strend = str + len;	804	const wchar_t *strend = str + len;
768		805
769	want_refresh = 1;	806	want_refresh = 1;
…		…
795		832
796	while (str < strend)	833	while (str < strend)
797	{	834	{
798	c = (unicode_t)*str++; // convert to rxvt-unicodes representation	835	c = (unicode_t)*str++; // convert to rxvt-unicodes representation
799		836
800	if (expect_false (c < 0x20))	837	if (ecb_unlikely (c < 0x20))
801	if (c == C0_LF)	838	if (c == C0_LF)
802	{	839	{
803	max_it (line->l, screen.cur.col);	840	max_it (line->l, screen.cur.col);
804		841
805	screen.flags &= ~Screen_WrapNext;	842	screen.flags &= ~Screen_WrapNext;
…		…
824	{	861	{
825	scr_tab (1, true);	862	scr_tab (1, true);
826	continue;	863	continue;
827	}	864	}
828		865
829	if (expect_false (	866	if (ecb_unlikely (
830	checksel /* see if we're writing within selection */	867	checksel /* see if we're writing within selection */
831	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)	868	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
832	&& ROWCOL_IS_BEFORE (screen.cur, selection.end)	869	&& ROWCOL_IS_BEFORE (screen.cur, selection.end)
833	))	870	))
834	{	871	{
…		…
839	* should be a similar check.	876	* should be a similar check.
840	*/	877	*/
841	CLEAR_SELECTION ();	878	CLEAR_SELECTION ();
842	}	879	}
843		880
844	if (expect_false (screen.flags & Screen_WrapNext))	881	if (ecb_unlikely (screen.flags & Screen_WrapNext))
845	{	882	{
846	scr_do_wrap ();	883	scr_do_wrap ();
847		884
848	line->l = ncol;	885	line->l = ncol;
849	line->is_longer (1);	886	line->is_longer (1);
…		…
851	row = screen.cur.row;	888	row = screen.cur.row;
852	line = &ROW(row); /* _must_ refresh */	889	line = &ROW(row); /* _must_ refresh */
853	}	890	}
854		891
855	// some utf-8 decoders "decode" surrogate characters: let's fix this.	892	// some utf-8 decoders "decode" surrogate characters: let's fix this.
856	if (expect_false (IN_RANGE_INC (c, 0xd800, 0xdfff)))	893	if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
857	c = 0xfffd;	894	c = 0xfffd;
858		895
859	// rely on wcwidth to tell us the character width, do wcwidth before	896	// rely on wcwidth to tell us the character width, do wcwidth before
860	// further replacements, as wcwidth might return -1 for the line	897	// further replacements, as wcwidth might return -1 for the line
861	// drawing characters below as they might be invalid in the current	898	// drawing characters below as they might be invalid in the current
862	// locale.	899	// locale.
863	int width = WCWIDTH (c);	900	int width = WCWIDTH (c);
864		901
865	if (expect_false (charsets [screen.charset] == '0')) // DEC SPECIAL	902	if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
866	{	903	{
867	// vt100 special graphics and line drawing	904	// vt100 special graphics and line drawing
868	// 5f-7e standard vt100	905	// 5f-7e standard vt100
869	// 40-5e rxvt extension for extra curses acs chars	906	// 40-5e rxvt extension for extra curses acs chars
870	static uint16_t vt100_0[62] = { // 41 .. 7e	907	static uint16_t vt100_0[62] = { // 41 .. 7e
…		…
883	c = vt100_0[c - 0x41];	920	c = vt100_0[c - 0x41];
884	width = 1; // vt100 line drawing characters are always single-width	921	width = 1; // vt100 line drawing characters are always single-width
885	}	922	}
886	}	923	}
887		924
888	if (expect_false (screen.flags & Screen_Insert))	925	if (ecb_unlikely (screen.flags & Screen_Insert))
889	scr_insdel_chars (width, INSERT);	926	scr_insdel_chars (width, INSERT);
890		927
891	if (width != 0)	928	if (width != 0)
892	{	929	{
893	#if !UNICODE_3	930	#if !UNICODE_3
…		…
901	#endif	938	#endif
902		939
903	rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));	940	rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
904		941
905	// if the character doesn't fit into the remaining columns...	942	// if the character doesn't fit into the remaining columns...
906	if (expect_false (screen.cur.col > ncol - width && ncol >= width))	943	if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
907	{	944	{
908	if (screen.flags & Screen_Autowrap)	945	if (screen.flags & Screen_Autowrap)
909	{	946	{
910	// ... artificially enlargen the previous one	947	// ... artificially enlargen the previous one
911	c = NOCHAR;	948	c = NOCHAR;
…		…
915	else	952	else
916	screen.cur.col = ncol - width;	953	screen.cur.col = ncol - width;
917	}	954	}
918		955
919	// nuke the character at this position, if required	956	// nuke the character at this position, if required
920	if (expect_false (	957	// due to wonderful coincidences everywhere else in this loop
		958	// we never have to check for overwriting a wide char itself,
		959	// only its tail.
921	line->t[screen.cur.col] == NOCHAR	960	if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
922	|| (screen.cur.col < ncol - 1
923	&& line->t[screen.cur.col + 1] == NOCHAR)
924	))
925	scr_kill_char (*line, screen.cur.col);	961	scr_kill_char (*line, screen.cur.col);
926		962
927	line->touch ();	963	line->touch ();
928		964
929	do	965	do
930	{	966	{
931	line->t[screen.cur.col] = c;	967	line->t[screen.cur.col] = c;
932	line->r[screen.cur.col] = rend;	968	line->r[screen.cur.col] = rend;
933		969
934	if (expect_true (screen.cur.col < ncol - 1))	970	if (ecb_likely (screen.cur.col < ncol - 1))
935	screen.cur.col++;	971	screen.cur.col++;
936	else	972	else
937	{	973	{
938	line->l = ncol;	974	line->l = ncol;
939	if (screen.flags & Screen_Autowrap)	975	if (screen.flags & Screen_Autowrap)
940	screen.flags |= Screen_WrapNext;	976	screen.flags |= Screen_WrapNext;
941	break;	977
		978	goto end_of_line;
942	}	979	}
943		980
944	c = NOCHAR;	981	c = NOCHAR;
945	}	982	}
946	while (expect_false (--width > 0));	983	while (ecb_unlikely (--width > 0));
947		984
948	// pad with spaces when overwriting wide character with smaller one	985	// pad with spaces when overwriting wide character with smaller one
949	if (expect_false (!width))	986	for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
950	{	987	{
951	line->touch ();
952
953	for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)
954	{
955	line->t[c] = ' ';	988	line->t[c] = ' ';
956	line->r[c] = rend;	989	line->r[c] = rend;
957	}
958	}	990	}
		991
		992	end_of_line:
		993	;
959	}	994	}
960	#if ENABLE_COMBINING	995	#if ENABLE_COMBINING
961	else // width == 0	996	else // width == 0
962	{	997	{
963	if (c != 0xfeff) // ignore BOM	998	if (c != 0xfeff) // ignore BOM
…		…
978	}	1013	}
979	else if (screen.cur.row > 0	1014	else if (screen.cur.row > 0
980	&& ROW(screen.cur.row - 1).is_longer ())	1015	&& ROW(screen.cur.row - 1).is_longer ())
981	{	1016	{
982	linep = &ROW(screen.cur.row - 1);	1017	linep = &ROW(screen.cur.row - 1);
983	tp = line->t + ncol - 1;	1018	tp = linep->t + ncol - 1;
984	rp = line->r + ncol - 1;	1019	rp = linep->r + ncol - 1;
985	}	1020	}
986	else	1021	else
987	continue;	1022	continue;
988		1023
989	linep->touch ();	1024	linep->touch ();
…		…
1012	/*	1047	/*
1013	* 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
1014	* XTERM_SEQ: CTRL-H	1049	* XTERM_SEQ: CTRL-H
1015	*/	1050	*/
1016	void	1051	void
1017	rxvt_term::scr_backspace () NOTHROW	1052	rxvt_term::scr_backspace () noexcept
1018	{	1053	{
1019	if (screen.cur.col == 0)	1054	if (screen.cur.col == 0)
1020	{	1055	{
1021	if (screen.cur.row > 0)	1056	if (screen.cur.row > 0)
1022	{	1057	{
…		…
1039	* Process Horizontal Tab	1074	* Process Horizontal Tab
1040	* count: +ve = forward; -ve = backwards	1075	* count: +ve = forward; -ve = backwards
1041	* XTERM_SEQ: CTRL-I	1076	* XTERM_SEQ: CTRL-I
1042	*/	1077	*/
1043	void	1078	void
1044	rxvt_term::scr_tab (int count, bool ht) NOTHROW	1079	rxvt_term::scr_tab (int count, bool ht) noexcept
1045	{	1080	{
1046	int i, x;	1081	int i, x;
1047		1082
1048	want_refresh = 1;	1083	want_refresh = 1;
1049	i = x = screen.cur.col;	1084	i = x = screen.cur.col;
…		…
1115	* XTERM_SEQ: ESC 6	1150	* XTERM_SEQ: ESC 6
1116	* 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
1117	* in that row right. Clear left column.	1152	* in that row right. Clear left column.
1118	*/	1153	*/
1119	#if !ENABLE_MINIMAL	1154	#if !ENABLE_MINIMAL
1120	void	1155	void ecb_cold
1121	rxvt_term::scr_backindex () NOTHROW	1156	rxvt_term::scr_backindex () noexcept
1122	{	1157	{
1123	if (screen.cur.col > 0)	1158	if (screen.cur.col > 0)
1124	scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);	1159	scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1125	else	1160	else
1126	scr_insdel_chars (1, INSERT);	1161	scr_insdel_chars (1, INSERT);
…		…
1132	* XTERM_SEQ: ESC 9	1167	* XTERM_SEQ: ESC 9
1133	* 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
1134	* in that row left. Clear right column.	1169	* in that row left. Clear right column.
1135	*/	1170	*/
1136	#if !ENABLE_MINIMAL	1171	#if !ENABLE_MINIMAL
1137	void	1172	void ecb_cold
1138	rxvt_term::scr_forwardindex () NOTHROW	1173	rxvt_term::scr_forwardindex () noexcept
1139	{	1174	{
1140	if (screen.cur.col < ncol - 1)	1175	if (screen.cur.col < ncol - 1)
1141	scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);	1176	scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1142	else	1177	else
1143	{	1178	{
…		…
1156	/* ------------------------------------------------------------------------- */	1191	/* ------------------------------------------------------------------------- */
1157	/*	1192	/*
1158	* Goto Row/Column	1193	* Goto Row/Column
1159	*/	1194	*/
1160	void	1195	void
1161	rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW	1196	rxvt_term::scr_gotorc (int row, int col, int relative) noexcept
1162	{	1197	{
1163	want_refresh = 1;	1198	want_refresh = 1;
1164	ZERO_SCROLLBACK ();	1199	ZERO_SCROLLBACK ();
1165		1200
1166	screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;	1201	screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
…		…
1205	/* ------------------------------------------------------------------------- */	1240	/* ------------------------------------------------------------------------- */
1206	/*	1241	/*
1207	* direction should be UP or DN	1242	* direction should be UP or DN
1208	*/	1243	*/
1209	void	1244	void
1210	rxvt_term::scr_index (enum page_dirn direction) NOTHROW	1245	rxvt_term::scr_index (enum page_dirn direction) noexcept
1211	{	1246	{
1212	int dirn;
1213
1214	want_refresh = 1;	1247	want_refresh = 1;
1215	ZERO_SCROLLBACK ();	1248	ZERO_SCROLLBACK ();
1216		1249
1217	dirn = ((direction == UP) ? 1 : -1);
1218
1219	screen.flags &= ~Screen_WrapNext;	1250	screen.flags &= ~Screen_WrapNext;
1220		1251
1221	if ((screen.cur.row == screen.bscroll && direction == UP)	1252	if ((screen.cur.row == screen.bscroll && direction == UP)
1222	|| (screen.cur.row == screen.tscroll && direction == DN))	1253	|| (screen.cur.row == screen.tscroll && direction == DN))
1223	scr_scroll_text (screen.tscroll, screen.bscroll, dirn);	1254	scr_scroll_text (screen.tscroll, screen.bscroll, direction);
1224	else	1255	else
1225	screen.cur.row += dirn;	1256	screen.cur.row += direction;
1226		1257
1227	clamp_it (screen.cur.row, 0, nrow - 1);	1258	clamp_it (screen.cur.row, 0, nrow - 1);
1228	selection_check (0);	1259	selection_check (0);
1229	}	1260	}
1230		1261
…		…
1235	* XTERM_SEQ: Clear line to left : ESC [ 1 K	1266	* XTERM_SEQ: Clear line to left : ESC [ 1 K
1236	* XTERM_SEQ: Clear whole line : ESC [ 2 K	1267	* XTERM_SEQ: Clear whole line : ESC [ 2 K
1237	* extension: clear to right unless wrapped: ESC [ 3 K	1268	* extension: clear to right unless wrapped: ESC [ 3 K
1238	*/	1269	*/
1239	void	1270	void
1240	rxvt_term::scr_erase_line (int mode) NOTHROW	1271	rxvt_term::scr_erase_line (int mode) noexcept
1241	{	1272	{
1242	unsigned int col, num;	1273	unsigned int col, num;
1243		1274
1244	want_refresh = 1;	1275	want_refresh = 1;
1245	ZERO_SCROLLBACK ();	1276	ZERO_SCROLLBACK ();
…		…
1293	scr_blank_line (line, col, num, rstyle);	1324	scr_blank_line (line, col, num, rstyle);
1294	}	1325	}
1295		1326
1296	/* ------------------------------------------------------------------------- */	1327	/* ------------------------------------------------------------------------- */
1297	/*	1328	/*
1298	* Erase part of whole of the screen	1329	* Erase part or whole of the screen
1299	* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J	1330	* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1300	* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J	1331	* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1301	* XTERM_SEQ: Clear whole screen : ESC [ 2 J	1332	* XTERM_SEQ: Clear whole screen : ESC [ 2 J
1302	*/	1333	*/
1303	void	1334	void
1304	rxvt_term::scr_erase_screen (int mode) NOTHROW	1335	rxvt_term::scr_erase_screen (int mode) noexcept
1305	{	1336	{
1306	int num;	1337	int num;
1307	int32_t row;	1338	int32_t row;
1308	rend_t ren;	1339	rend_t ren;
1309	XGCValues gcvalue;	1340	XGCValues gcvalue;
…		…
1312	ZERO_SCROLLBACK ();	1343	ZERO_SCROLLBACK ();
1313		1344
1314	switch (mode)	1345	switch (mode)
1315	{	1346	{
1316	case 0: /* erase to end of screen */	1347	case 0: /* erase to end of screen */
1317	selection_check (1);
1318	scr_erase_line (0);	1348	scr_erase_line (0);
1319	row = screen.cur.row + 1; /* possible OOB */	1349	row = screen.cur.row + 1; /* possible OOB */
1320	num = nrow - row;	1350	num = nrow - row;
1321	break;	1351	break;
1322	case 1: /* erase to beginning of screen */	1352	case 1: /* erase to beginning of screen */
1323	selection_check (3);
1324	scr_erase_line (1);	1353	scr_erase_line (1);
1325	row = 0;	1354	row = 0;
1326	num = screen.cur.row;	1355	num = screen.cur.row;
1327	break;	1356	break;
1328	case 2: /* erase whole screen */	1357	case 2: /* erase whole screen */
1329	selection_check (3);
1330	row = 0;	1358	row = 0;
1331	num = nrow;	1359	num = nrow;
1332	break;	1360	break;
1333	default:	1361	default:
1334	return;	1362	return;
…		…
1351	{	1379	{
1352	ren = DEFAULT_RSTYLE;	1380	ren = DEFAULT_RSTYLE;
1353		1381
1354	if (mapped)	1382	if (mapped)
1355	XClearArea (dpy, vt, 0,	1383	XClearArea (dpy, vt, 0,
1356	Row2Pixel (row - view_start), (unsigned int)width,	1384	Row2Pixel (row - view_start), (unsigned int)vt_width,
1357	(unsigned int)Height2Pixel (num), False);	1385	(unsigned int)Height2Pixel (num), False);
1358	}	1386	}
1359	else	1387	else
1360	{	1388	{
1361	ren = rstyle & (RS_fgMask | RS_bgMask);	1389	ren = rstyle & (RS_fgMask | RS_bgMask);
…		…
1364	{	1392	{
1365	gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];	1393	gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1366	XChangeGC (dpy, gc, GCForeground, &gcvalue);	1394	XChangeGC (dpy, gc, GCForeground, &gcvalue);
1367	XFillRectangle (dpy, vt, gc,	1395	XFillRectangle (dpy, vt, gc,
1368	0, Row2Pixel (row - view_start),	1396	0, Row2Pixel (row - view_start),
1369	(unsigned int)width,	1397	(unsigned int)vt_width,
1370	(unsigned int)Height2Pixel (num));	1398	(unsigned int)Height2Pixel (num));
1371	gcvalue.foreground = pix_colors[Color_fg];	1399	gcvalue.foreground = pix_colors[Color_fg];
1372	XChangeGC (dpy, gc, GCForeground, &gcvalue);	1400	XChangeGC (dpy, gc, GCForeground, &gcvalue);
1373	}	1401	}
1374	}	1402	}
…		…
1382	}	1410	}
1383	}	1411	}
1384		1412
1385	#if !ENABLE_MINIMAL	1413	#if !ENABLE_MINIMAL
1386	void	1414	void
1387	rxvt_term::scr_erase_savelines () NOTHROW	1415	rxvt_term::scr_erase_savelines () noexcept
1388	{	1416	{
1389	want_refresh = 1;	1417	want_refresh = 1;
1390	ZERO_SCROLLBACK ();	1418	ZERO_SCROLLBACK ();
1391		1419
1392	top_row = 0;	1420	top_row = 0;
…		…
1396	/* ------------------------------------------------------------------------- */	1424	/* ------------------------------------------------------------------------- */
1397	/*	1425	/*
1398	* Fill the screen with `E's	1426	* Fill the screen with `E's
1399	* XTERM_SEQ: Screen Alignment Test: ESC # 8	1427	* XTERM_SEQ: Screen Alignment Test: ESC # 8
1400	*/	1428	*/
1401	void	1429	void ecb_cold
1402	rxvt_term::scr_E () NOTHROW	1430	rxvt_term::scr_E () noexcept
1403	{	1431	{
1404	rend_t fs;	1432	rend_t fs;
1405		1433
1406	want_refresh = 1;	1434	want_refresh = 1;
1407	ZERO_SCROLLBACK ();	1435	ZERO_SCROLLBACK ();
1408		1436
1409	num_scr_allow = 0;	1437	num_scr_allow = 0;
1410	selection_check (3);	1438
		1439	row_col_t pos;
		1440	pos.row = pos.col = 0;
		1441	if (ROWCOL_IS_AFTER (selection.end, pos))
		1442	CLEAR_SELECTION ();
1411		1443
1412	fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));	1444	fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1413	for (int row = nrow; row--; )	1445	for (int row = nrow; row--; )
1414	{	1446	{
1415	line_t &line = ROW(row);	1447	line_t &line = ROW(row);
…		…
1428	/* ------------------------------------------------------------------------- */	1460	/* ------------------------------------------------------------------------- */
1429	/*	1461	/*
1430	* Insert/Delete <count> lines	1462	* Insert/Delete <count> lines
1431	*/	1463	*/
1432	void	1464	void
1433	rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW	1465	rxvt_term::scr_insdel_lines (int count, int insdel) noexcept
1434	{	1466	{
1435	int end;	1467	int end;
1436		1468
1437	ZERO_SCROLLBACK ();	1469	ZERO_SCROLLBACK ();
1438		1470
…		…
1458	/* ------------------------------------------------------------------------- */	1490	/* ------------------------------------------------------------------------- */
1459	/*	1491	/*
1460	* Insert/Delete <count> characters from the current position	1492	* Insert/Delete <count> characters from the current position
1461	*/	1493	*/
1462	void	1494	void
1463	rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW	1495	rxvt_term::scr_insdel_chars (int count, int insdel) noexcept
1464	{	1496	{
1465	want_refresh = 1;	1497	want_refresh = 1;
1466	ZERO_SCROLLBACK ();	1498	ZERO_SCROLLBACK ();
1467		1499
1468	if (count <= 0)	1500	if (count <= 0)
…		…
1566	/* ------------------------------------------------------------------------- */	1598	/* ------------------------------------------------------------------------- */
1567	/*	1599	/*
1568	* Set the scrolling region	1600	* Set the scrolling region
1569	* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r	1601	* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1570	*/	1602	*/
1571	void	1603	void ecb_cold
1572	rxvt_term::scr_scroll_region (int top, int bot) NOTHROW	1604	rxvt_term::scr_scroll_region (int top, int bot) noexcept
1573	{	1605	{
1574	max_it (top, 0);	1606	max_it (top, 0);
1575	min_it (bot, nrow - 1);	1607	min_it (bot, nrow - 1);
1576		1608
1577	if (top > bot)	1609	if (top > bot)
…		…
1586	/*	1618	/*
1587	* Make the cursor visible/invisible	1619	* Make the cursor visible/invisible
1588	* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h	1620	* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1589	* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l	1621	* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1590	*/	1622	*/
1591	void	1623	void ecb_cold
1592	rxvt_term::scr_cursor_visible (int mode) NOTHROW	1624	rxvt_term::scr_cursor_visible (int mode) noexcept
1593	{	1625	{
1594	want_refresh = 1;	1626	want_refresh = 1;
1595		1627
1596	if (mode)	1628	if (mode)
1597	screen.flags |= Screen_VisibleCursor;	1629	screen.flags |= Screen_VisibleCursor;
…		…
1603	/*	1635	/*
1604	* Set/unset automatic wrapping	1636	* Set/unset automatic wrapping
1605	* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h	1637	* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1606	* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l	1638	* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1607	*/	1639	*/
1608	void	1640	void ecb_cold
1609	rxvt_term::scr_autowrap (int mode) NOTHROW	1641	rxvt_term::scr_autowrap (int mode) noexcept
1610	{	1642	{
1611	if (mode)	1643	if (mode)
1612	screen.flags |= Screen_Autowrap;	1644	screen.flags |= Screen_Autowrap;
1613	else	1645	else
1614	screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);	1646	screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
…		…
1622	* 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
1623	* and the cursor cannot be moved outside.	1655	* and the cursor cannot be moved outside.
1624	* XTERM_SEQ: Set Absolute: ESC [ ? 6 h	1656	* XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1625	* XTERM_SEQ: Set Relative: ESC [ ? 6 l	1657	* XTERM_SEQ: Set Relative: ESC [ ? 6 l
1626	*/	1658	*/
1627	void	1659	void ecb_cold
1628	rxvt_term::scr_relative_origin (int mode) NOTHROW	1660	rxvt_term::scr_relative_origin (int mode) noexcept
1629	{	1661	{
1630	if (mode)	1662	if (mode)
1631	screen.flags |= Screen_Relative;	1663	screen.flags |= Screen_Relative;
1632	else	1664	else
1633	screen.flags &= ~Screen_Relative;	1665	screen.flags &= ~Screen_Relative;
…		…
1639	/*	1671	/*
1640	* Set insert/replace mode	1672	* Set insert/replace mode
1641	* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h	1673	* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1642	* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l	1674	* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1643	*/	1675	*/
1644	void	1676	void ecb_cold
1645	rxvt_term::scr_insert_mode (int mode) NOTHROW	1677	rxvt_term::scr_insert_mode (int mode) noexcept
1646	{	1678	{
1647	if (mode)	1679	if (mode)
1648	screen.flags |= Screen_Insert;	1680	screen.flags |= Screen_Insert;
1649	else	1681	else
1650	screen.flags &= ~Screen_Insert;	1682	screen.flags &= ~Screen_Insert;
…		…
1655	* Set/Unset tabs	1687	* Set/Unset tabs
1656	* XTERM_SEQ: Set tab at current column : ESC H	1688	* XTERM_SEQ: Set tab at current column : ESC H
1657	* XTERM_SEQ: Clear tab at current column: ESC [ 0 g	1689	* XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1658	* XTERM_SEQ: Clear all tabs : ESC [ 3 g	1690	* XTERM_SEQ: Clear all tabs : ESC [ 3 g
1659	*/	1691	*/
1660	void	1692	void ecb_cold
1661	rxvt_term::scr_set_tab (int mode) NOTHROW	1693	rxvt_term::scr_set_tab (int mode) noexcept
1662	{	1694	{
1663	if (mode < 0)	1695	if (mode < 0)
1664	memset (tabs, 0, ncol);	1696	memset (tabs, 0, ncol);
1665	else if (screen.cur.col < ncol)	1697	else if (screen.cur.col < ncol)
1666	tabs [screen.cur.col] = !!mode;	1698	tabs [screen.cur.col] = !!mode;
…		…
1671	* Set reverse/normal video	1703	* Set reverse/normal video
1672	* XTERM_SEQ: Reverse video: ESC [ ? 5 h	1704	* XTERM_SEQ: Reverse video: ESC [ ? 5 h
1673	* XTERM_SEQ: Normal video : ESC [ ? 5 l	1705	* XTERM_SEQ: Normal video : ESC [ ? 5 l
1674	*/	1706	*/
1675	void	1707	void
1676	rxvt_term::scr_rvideo_mode (bool on) NOTHROW	1708	rxvt_term::scr_rvideo_mode (bool on) noexcept
1677	{	1709	{
1678	rvideo_mode = on;	1710	rvideo_mode = on;
1679		1711
1680	#ifndef NO_BELL	1712	#ifndef NO_BELL
1681	on ^= rvideo_bell;	1713	on ^= rvideo_bell;
…		…
1683		1715
1684	if (rvideo_state != on)	1716	if (rvideo_state != on)
1685	{	1717	{
1686	rvideo_state = on;	1718	rvideo_state = on;
1687		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
1688	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);	1728	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1689	#ifdef HAVE_BG_PIXMAP	1729	#ifdef HAVE_IMG
1690	if (bgPixmap.pixmap == None)	1730	if (bg_img == 0)
1691	#endif	1731	#endif
1692	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);	1732	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1693		1733
1694	XGCValues gcvalue;	1734	XGCValues gcvalue;
1695	gcvalue.foreground = pix_colors[Color_fg];	1735	gcvalue.foreground = pix_colors[Color_fg];
…		…
1704	/* ------------------------------------------------------------------------- */	1744	/* ------------------------------------------------------------------------- */
1705	/*	1745	/*
1706	* Report current cursor position	1746	* Report current cursor position
1707	* XTERM_SEQ: Report position: ESC [ 6 n	1747	* XTERM_SEQ: Report position: ESC [ 6 n
1708	*/	1748	*/
1709	void	1749	void ecb_cold
1710	rxvt_term::scr_report_position () NOTHROW	1750	rxvt_term::scr_report_position () noexcept
1711	{	1751	{
1712	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);
1713	}	1753	}
1714		1754
1715	/* ------------------------------------------------------------------------- *	1755	/* ------------------------------------------------------------------------- *
…		…
1717	* ------------------------------------------------------------------------- */	1757	* ------------------------------------------------------------------------- */
1718		1758
1719	/*	1759	/*
1720	* Set font style	1760	* Set font style
1721	*/	1761	*/
1722	void	1762	void ecb_cold
1723	rxvt_term::set_font_style () NOTHROW	1763	rxvt_term::set_font_style () noexcept
1724	{	1764	{
1725	#if 0	1765	#if 0
1726	switch (charsets [screen.charset])	1766	switch (charsets [screen.charset])
1727	{	1767	{
1728	case '0': /* DEC Special Character & Line Drawing Set */	1768	case '0': /* DEC Special Character & Line Drawing Set */
…		…
1749	* XTERM_SEQ: Invoke G0 character set: CTRL-O	1789	* XTERM_SEQ: Invoke G0 character set: CTRL-O
1750	* XTERM_SEQ: Invoke G1 character set: CTRL-N	1790	* XTERM_SEQ: Invoke G1 character set: CTRL-N
1751	* XTERM_SEQ: Invoke G2 character set: ESC N	1791	* XTERM_SEQ: Invoke G2 character set: ESC N
1752	* XTERM_SEQ: Invoke G3 character set: ESC O	1792	* XTERM_SEQ: Invoke G3 character set: ESC O
1753	*/	1793	*/
1754	void	1794	void ecb_cold
1755	rxvt_term::scr_charset_choose (int set) NOTHROW	1795	rxvt_term::scr_charset_choose (int set) noexcept
1756	{	1796	{
1757	screen.charset = set;	1797	screen.charset = set;
1758	set_font_style ();	1798	set_font_style ();
1759	}	1799	}
1760		1800
…		…
1766	* XTERM_SEQ: Set G2 character set: ESC * <C>	1806	* XTERM_SEQ: Set G2 character set: ESC * <C>
1767	* XTERM_SEQ: Set G3 character set: ESC + <C>	1807	* XTERM_SEQ: Set G3 character set: ESC + <C>
1768	* See set_font_style for possible values for <C>	1808	* See set_font_style for possible values for <C>
1769	*/	1809	*/
1770	void	1810	void
1771	rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW	1811	rxvt_term::scr_charset_set (int set, unsigned int ch) noexcept
1772	{	1812	{
1773	charsets[set] = (unsigned char)ch;	1813	charsets[set] = (unsigned char)ch;
1774	set_font_style ();	1814	set_font_style ();
1775	}	1815	}
1776		1816
…		…
1780	* ------------------------------------------------------------------------- */	1820	* ------------------------------------------------------------------------- */
1781		1821
1782	/*	1822	/*
1783	* refresh matching text.	1823	* refresh matching text.
1784	*/	1824	*/
1785	bool	1825	bool ecb_cold
1786	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
1787	{	1827	{
1788	bool found = false;	1828	bool found = false;
1789		1829
1790	for (int i = 0; i < nrow; i++)	1830	for (int i = 0; i < nrow; i++)
1791	{	1831	{
…		…
1809	PART_BEG = 0,	1849	PART_BEG = 0,
1810	PART_END,	1850	PART_END,
1811	RC_COUNT	1851	RC_COUNT
1812	};	1852	};
1813		1853
1814	void	1854	void ecb_hot
1815	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
1816	{	1856	{
1817	int i;	1857	int i;
1818	row_col_t rc[RC_COUNT];	1858	row_col_t rc[RC_COUNT];
1819		1859
1820	if (!drawn_buf) /* sanity check */	1860	if (!drawn_buf) /* sanity check */
…		…
1854	/* ------------------------------------------------------------------------- */	1894	/* ------------------------------------------------------------------------- */
1855	/*	1895	/*
1856	* Refresh the entire screen	1896	* Refresh the entire screen
1857	*/	1897	*/
1858	void	1898	void
1859	rxvt_term::scr_touch (bool refresh) NOTHROW	1899	rxvt_term::scr_touch (bool refresh) noexcept
1860	{	1900	{
1861	scr_expose (0, 0, width, height, refresh);	1901	scr_expose (0, 0, vt_width, vt_height, refresh);
1862	}	1902	}
1863		1903
1864	/* ------------------------------------------------------------------------- */	1904	/* ------------------------------------------------------------------------- */
1865	/*	1905	/*
1866	* 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
1867	* the top of the screen	1907	* the top of the screen
1868	*/	1908	*/
1869	void	1909	void
1870	rxvt_term::scr_move_to (int y, int len) NOTHROW	1910	rxvt_term::scr_move_to (int y, int len) noexcept
1871	{	1911	{
1872	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);
1873	}	1914	}
1874		1915
1875	/* ------------------------------------------------------------------------- */	1916	/* ------------------------------------------------------------------------- */
1876	/*	1917	/*
1877	* Page the screen up/down nlines	1918	* Page the screen up/down nlines
1878	* direction should be UP or DN	1919	* direction should be UP or DN
1879	*/	1920	*/
1880	bool	1921	bool
1881	rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW	1922	rxvt_term::scr_page (int nlines) noexcept
1882	{	1923	{
1883	int new_view_start =
1884	direction == UP ? view_start - nlines
1885	: view_start + nlines;
1886
1887	return scr_changeview (new_view_start);	1924	return scr_changeview (view_start - nlines);
1888	}	1925	}
1889		1926
1890	bool	1927	bool
1891	rxvt_term::scr_changeview (int new_view_start) NOTHROW	1928	rxvt_term::scr_changeview (int new_view_start) noexcept
1892	{	1929	{
1893	clamp_it (new_view_start, top_row, 0);	1930	clamp_it (new_view_start, top_row, 0);
1894		1931
1895	if (new_view_start == view_start)	1932	if (new_view_start == view_start)
1896	return false;	1933	return false;
…		…
1914	}	1951	}
1915	#endif	1952	#endif
1916		1953
1917	/* ------------------------------------------------------------------------- */	1954	/* ------------------------------------------------------------------------- */
1918	void	1955	void
1919	rxvt_term::scr_bell () NOTHROW	1956	rxvt_term::scr_bell () noexcept
1920	{	1957	{
1921	#ifndef NO_BELL	1958	#ifndef NO_BELL
1922		1959
1923	# ifndef NO_MAPALERT	1960	# ifndef NO_MAPALERT
1924	# ifdef MAPALERT_OPTION	1961	# ifdef MAPALERT_OPTION
1925	if (option (Opt_mapAlert))	1962	if (option (Opt_mapAlert))
1926	# endif	1963	# endif
1927	XMapWindow (dpy, parent[0]);	1964	XMapWindow (dpy, parent);
1928	# endif	1965	# endif
1929		1966
1930	# if ENABLE_FRILLS	1967	# if ENABLE_FRILLS
1931	if (option (Opt_urgentOnBell))	1968	if (option (Opt_urgentOnBell))
1932	set_urgency (1);	1969	set_urgency (1);
…		…
1945	HOOK_INVOKE ((this, HOOK_BELL, DT_END));	1982	HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1946	#endif	1983	#endif
1947	}	1984	}
1948		1985
1949	/* ------------------------------------------------------------------------- */	1986	/* ------------------------------------------------------------------------- */
1950	/* ARGSUSED */	1987	void ecb_cold
1951	void
1952	rxvt_term::scr_printscreen (int fullhist) NOTHROW	1988	rxvt_term::scr_printscreen (int fullhist) noexcept
1953	{	1989	{
1954	#ifdef PRINTPIPE	1990	#ifdef PRINTPIPE
1955	int nrows, row_start;	1991	int nrows, row_start;
1956	FILE *fd = popen_printer ();	1992	FILE *fd = popen_printer ();
1957		1993
…		…
2005	/*	2041	/*
2006	* Refresh the screen	2042	* Refresh the screen
2007	* drawn_text/drawn_rend contain the screen information before the update.	2043	* drawn_text/drawn_rend contain the screen information before the update.
2008	* screen.text/screen.rend contain what the screen will change to.	2044	* screen.text/screen.rend contain what the screen will change to.
2009	*/	2045	*/
2010	void	2046	void ecb_hot
2011	rxvt_term::scr_refresh () NOTHROW	2047	rxvt_term::scr_refresh () noexcept
2012	{	2048	{
2013	int16_t col, row, /* column/row we're processing */	2049	int16_t col, row, /* column/row we're processing */
2014	ocrow; /* old cursor row */	2050	ocrow; /* old cursor row */
2015	int i; /* tmp */	2051	int i; /* tmp */
2016	#ifndef NO_CURSORCOLOR
2017	rend_t cc1; /* store colours at cursor position (s) */
2018	#endif
2019	rend_t *crp; // cursor rendition pointer
2020	rend_t ccol1, /* Cursor colour */	2052	rend_t ccol1, /* Cursor colour */
2021	ccol2; /* Cursor colour2 */	2053	ccol2; /* Cursor colour2 */
		2054	rend_t cur_rend;
		2055	int cur_col;
		2056	int cursorwidth;
2022		2057
2023	want_refresh = 0; /* screen is current */	2058	want_refresh = 0; /* screen is current */
2024		2059
2025	if (refresh_type == NO_REFRESH || !mapped)	2060	if (refresh_type == NO_REFRESH || !mapped)
2026	return;	2061	return;
…		…
2029	* A: set up vars	2064	* A: set up vars
2030	*/	2065	*/
2031	refresh_count = 0;	2066	refresh_count = 0;
2032		2067
2033	unsigned int old_screen_flags = screen.flags;	2068	unsigned int old_screen_flags = screen.flags;
2034	char have_bg = 0;	2069	bool have_bg = 0;
2035	#ifdef HAVE_BG_PIXMAP	2070	#ifdef HAVE_IMG
2036	have_bg = bgPixmap.pixmap != None;	2071	have_bg = bg_img != 0;
2037	#endif	2072	#endif
2038	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */	2073	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2039		2074
2040	/*	2075	/*
2041	* B: reverse any characters which are selected	2076	* B: reverse any characters which are selected
…		…
2045	HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));	2080	HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2046	#if ENABLE_OVERLAY	2081	#if ENABLE_OVERLAY
2047	scr_swap_overlay ();	2082	scr_swap_overlay ();
2048	#endif	2083	#endif
2049		2084
2050	char showcursor = screen.flags & Screen_VisibleCursor;	2085	bool showcursor = screen.flags & Screen_VisibleCursor;
2051		2086
2052	/*	2087	/*
2053	* C: set the cursor character (s)	2088	* C: set the cursor character (s)
2054	*/	2089	*/
2055	{	2090	{
2056	unsigned char setoldcursor;
2057
2058	#ifdef CURSOR_BLINK	2091	#ifdef CURSOR_BLINK
2059	if (hidden_cursor)	2092	if (hidden_cursor)
2060	showcursor = 0;	2093	showcursor = 0;
2061	#endif	2094	#endif
2062		2095
…		…
2065	int col = screen.cur.col;	2098	int col = screen.cur.col;
2066		2099
2067	while (col && ROW(screen.cur.row).t[col] == NOCHAR)	2100	while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2068	col--;	2101	col--;
2069		2102
		2103	cursorwidth = 1;
		2104	while (col + cursorwidth < ncol
		2105	&& ROW(screen.cur.row).t[col + cursorwidth] == NOCHAR)
		2106	cursorwidth++;
		2107
2070	crp = &ROW(screen.cur.row).r[col];	2108	cur_rend = ROW(screen.cur.row).r[col];
		2109	cur_col = col;
2071		2110
2072	#ifndef NO_CURSORCOLOR	2111	#ifndef NO_CURSORCOLOR
2073	cc1 = *crp & (RS_fgMask | RS_bgMask);
2074	if (ISSET_PIXCOLOR (Color_cursor))	2112	if (ISSET_PIXCOLOR (Color_cursor))
2075	ccol1 = Color_cursor;	2113	ccol1 = Color_cursor;
2076	else	2114	else
2077	#endif	2115	#endif
2078	#ifdef CURSOR_COLOR_IS_RENDITION_COLOR	2116	#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
…		…
2090	ccol2 = bgcolor_of (rstyle);	2128	ccol2 = bgcolor_of (rstyle);
2091	#else	2129	#else
2092	ccol2 = Color_bg;	2130	ccol2 = Color_bg;
2093	#endif	2131	#endif
2094		2132
2095	if (focus)	2133	if (focus && cursor_type == 0)
2096	{	2134	{
2097	if (option (Opt_cursorUnderline))	2135	rend_t rend = cur_rend;
2098	*crp ^= RS_Uline;	2136
2099	else
2100	{
2101	*crp ^= RS_RVid;	2137	rend ^= RS_RVid;
2102	*crp = SET_FGCOLOR (*crp, ccol1);	2138	rend = SET_FGCOLOR (rend, ccol1);
2103	*crp = SET_BGCOLOR (*crp, ccol2);	2139	rend = SET_BGCOLOR (rend, ccol2);
2104	}	2140
		2141	scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
2105	}	2142	}
2106	}	2143	}
2107		2144
2108	/* make sure no outline cursor is left around */	2145	/* make sure no outline cursor is left around */
2109	setoldcursor = 0;	2146	if (ocrow != -1 && ocrow < nrow && oldcursor.col < ncol)
2110	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)
2111	{	2154	{
2112	if (screen.cur.row - view_start != ocrow	2155	oldcursor.row = screen.cur.row - view_start;
2113	|| screen.cur.col != oldcursor.col)	2156	oldcursor.col = screen.cur.col;
2114	{
2115	if (ocrow < nrow
2116	&& oldcursor.col < ncol)
2117	drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2118
2119	if (focus || !showcursor)
2120	oldcursor.row = -1;
2121	else
2122	setoldcursor = 1;
2123	}
2124	}	2157	}
2125	else if (!focus)	2158	else
2126	setoldcursor = 1;
2127
2128	if (setoldcursor)
2129	{
2130	if (screen.cur.row - view_start >= nrow)
2131	oldcursor.row = -1;	2159	oldcursor.row = -1;
2132	else
2133	{
2134	oldcursor.row = screen.cur.row - view_start;
2135	oldcursor.col = screen.cur.col;
2136	}
2137	}
2138	}	2160	}
2139		2161
2140	#ifndef NO_SLOW_LINK_SUPPORT	2162	#ifndef NO_SLOW_LINK_SUPPORT
2141	/*	2163	/*
2142	* D: CopyArea pass - very useful for slower links	2164	* D: CopyArea pass - very useful for slower links
…		…
2148	{	2170	{
2149	int16_t nits;	2171	int16_t nits;
2150	int i = num_scr;	2172	int i = num_scr;
2151	int j;	2173	int j;
2152	int len, wlen;	2174	int len, wlen;
2153	dLocal (int, num_scr);
2154		2175
2155	j = nrow;	2176	j = nrow;
2156	wlen = len = -1;	2177	wlen = len = -1;
2157	row = i > 0 ? 0 : j - 1;	2178	row = i > 0 ? 0 : j - 1;
2158		2179
…		…
2224	int ypixel = (int)Row2Pixel (row);	2245	int ypixel = (int)Row2Pixel (row);
2225		2246
2226	for (col = 0; col < ncol; col++)	2247	for (col = 0; col < ncol; col++)
2227	{	2248	{
2228	/* compare new text with old - if exactly the same then continue */	2249	/* compare new text with old - if exactly the same then continue */
2229	if (stp[col] == dtp[col] /* Must match characters to skip. */	2250	if (stp[col] == dtp[col] && RS_SAME (srp[col], drp[col]))
2230	&& (RS_SAME (srp[col], drp[col]) /* Either rendition the same or */
2231	|| (stp[col] == ' ' /* space w/ no background change */
2232	&& GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2233	continue;	2251	continue;
2234		2252
2235	// redraw one or more characters	2253	// redraw one or more characters
2236		2254
2237	// seek to the beginning of wide characters	2255	// seek to the beginning of wide characters
2238	while (expect_false (stp[col] == NOCHAR && col > 0))	2256	while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2239	--col;	2257	--col;
2240		2258
2241	rend_t rend = srp[col]; /* screen rendition (target rendition) */	2259	rend_t rend = srp[col]; /* screen rendition (target rendition) */
2242	text_t *text = stp + col;	2260	text_t *text = stp + col;
2243	int count = 1;	2261	int count = 1;
…		…
2281		2299
2282	col--; /* went one too far. move back */	2300	col--; /* went one too far. move back */
2283	count -= i; /* dump any matching trailing chars */	2301	count -= i; /* dump any matching trailing chars */
2284		2302
2285	// sometimes we optimize away the trailing NOCHAR's, add them back	2303	// sometimes we optimize away the trailing NOCHAR's, add them back
2286	while (expect_false (i && text[count] == NOCHAR))	2304	while (ecb_unlikely (i && text[count] == NOCHAR))
2287	count++, i--;	2305	count++, i--;
2288		2306
2289	/*	2307	/*
2290	* Determine the attributes for the string	2308	* Determine the attributes for the string
2291	*/	2309	*/
2292	int fore = fgcolor_of (rend); // desired foreground	2310	int fore = fgcolor_of (rend); // desired foreground
2293	int back = bgcolor_of (rend); // desired background	2311	int back = bgcolor_of (rend); // desired background
2294		2312
2295	// only do special processing if any attributes are set, which is unlikely	2313	// only do special processing if any attributes are set, which is unlikely
2296	if (expect_false (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))	2314	if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2297	{	2315	{
2298	bool invert = rend & RS_RVid;	2316	bool invert = rend & RS_RVid;
2299		2317
2300	#ifndef NO_BOLD_UNDERLINE_REVERSE	2318	#ifndef NO_BOLD_UNDERLINE_REVERSE
2301	if (rend & RS_Bold && fore == Color_fg)	2319	if (rend & RS_Bold && fore == Color_fg)
…		…
2390	/*	2408	/*
2391	* Actually do the drawing of the string here	2409	* Actually do the drawing of the string here
2392	*/	2410	*/
2393	rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];	2411	rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2394		2412
2395	if (expect_true (have_bg && back == Color_bg))	2413	if (ecb_likely (have_bg && back == Color_bg))
2396	{	2414	{
2397	// this is very ugly, maybe push it into ->draw?	2415	// this is very ugly, maybe push it into ->draw?
2398		2416
2399	for (i = 0; i < count; i++) /* don't draw empty strings */	2417	for (i = 0; i < count; i++) /* don't draw empty strings */
2400	if (text[i] != ' ')	2418	if (text[i] != ' ')
…		…
2407	did_clear: ;	2425	did_clear: ;
2408	}	2426	}
2409	else	2427	else
2410	font->draw (*drawable, xpixel, ypixel, text, count, fore, back);	2428	font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2411		2429
2412	if (expect_false (rend & RS_Uline && font->descent > 1 && fore != back))	2430	if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2413	{	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
2414	#if ENABLE_FRILLS	2436	#if ENABLE_FRILLS
2415	if (ISSET_PIXCOLOR (Color_underline))	2437	if (ISSET_PIXCOLOR (Color_underline))
2416	XSetForeground (dpy, gc, pix_colors[Color_underline]);	2438	XSetForeground (dpy, gc, pix_colors[Color_underline]);
2417	else	2439	else
2418	#endif	2440	#endif
…		…
2430	*/	2452	*/
2431	if (showcursor)	2453	if (showcursor)
2432	{	2454	{
2433	if (focus)	2455	if (focus)
2434	{	2456	{
2435	if (option (Opt_cursorUnderline))	2457	if (cursor_type == 0)
2436	*crp ^= RS_Uline;	2458	scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2437	else	2459	else if (oldcursor.row >= 0)
2438	{	2460	{
2439	*crp ^= RS_RVid;	2461	XSetForeground (dpy, gc, pix_colors[ccol1]);
2440	#ifndef NO_CURSORCOLOR	2462	if (cursor_type == 1)
2441	*crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1;	2463	XFillRectangle (dpy, vt, gc,
2442	#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));
2443	}	2474	}
2444	}	2475	}
2445	else if (oldcursor.row >= 0)	2476	else if (oldcursor.row >= 0)
2446	{	2477	{
2447	int cursorwidth = 1;
2448	int col = oldcursor.col;
2449
2450	while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2451	col--;
2452
2453	while (col + cursorwidth < ncol
2454	&& drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2455	cursorwidth++;
2456
2457	#ifndef NO_CURSORCOLOR
2458	if (ISSET_PIXCOLOR (Color_cursor))
2459	XSetForeground (dpy, gc, pix_colors[Color_cursor]);
2460	else
2461	#endif
2462	XSetForeground (dpy, gc, pix_colors[ccol1]);	2478	XSetForeground (dpy, gc, pix_colors[ccol1]);
2463		2479
2464	XDrawRectangle (dpy, vt, gc,	2480	XDrawRectangle (dpy, vt, gc,
2465	Col2Pixel (col),	2481	Col2Pixel (cur_col),
2466	Row2Pixel (oldcursor.row),	2482	Row2Pixel (oldcursor.row),
2467	(unsigned int) (Width2Pixel (cursorwidth) - 1),	2483	(unsigned int) (Width2Pixel (cursorwidth) - 1),
2468	(unsigned int) (Height2Pixel (1) - lineSpace - 1));	2484	(unsigned int) (Height2Pixel (1) - 1));
2469	}	2485	}
2470	}	2486	}
2471		2487
2472	/*	2488	/*
2473	* H: cleanup selection	2489	* H: cleanup selection
…		…
2482	screen.flags = old_screen_flags;	2498	screen.flags = old_screen_flags;
2483	num_scr = 0;	2499	num_scr = 0;
2484	num_scr_allow = 1;	2500	num_scr_allow = 1;
2485	}	2501	}
2486		2502
2487	void	2503	void ecb_cold
2488	rxvt_term::scr_remap_chars (line_t &l) NOTHROW	2504	rxvt_term::scr_remap_chars (line_t &l) noexcept
2489	{	2505	{
2490	if (!l.t)	2506	if (!l.valid ())
2491	return;	2507	return;
2492		2508
2493	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
2494		2510
2495	for (int i = ncol; i--; )	2511	for (int i = ncol; i--; )
2496	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]));
2497	}	2513	}
2498		2514
2499	void	2515	void ecb_cold
2500	rxvt_term::scr_remap_chars () NOTHROW	2516	rxvt_term::scr_remap_chars () noexcept
2501	{	2517	{
2502	for (int i = total_rows; i--; )	2518	for (int i = total_rows; i--; )
2503	scr_remap_chars (row_buf [i]);	2519	scr_remap_chars (row_buf [i]);
2504		2520
2505	for (int i = nrow; i--; )	2521	for (int i = nrow; i--; )
…		…
2507	scr_remap_chars (drawn_buf [i]);	2523	scr_remap_chars (drawn_buf [i]);
2508	scr_remap_chars (swap_buf [i]);	2524	scr_remap_chars (swap_buf [i]);
2509	}	2525	}
2510	}	2526	}
2511		2527
2512	void	2528	void ecb_cold
2513	rxvt_term::scr_recolour () NOTHROW	2529	rxvt_term::scr_recolor (bool refresh) noexcept
2514	{	2530	{
2515	#ifdef HAVE_BG_PIXMAP	2531	bool transparent = false;
2516	bgPixmap.apply ();
2517	#else
2518		2532
		2533	#ifdef HAVE_IMG
		2534	if (bg_img != 0)
		2535	{
		2536	# if ENABLE_TRANSPARENCY
		2537	if (bg_flags & BG_IS_TRANSPARENT)
		2538	{
		2539	XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
		2540	XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
		2541
		2542	transparent = true;
		2543	}
		2544	else
		2545	# endif
		2546	{
		2547	XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
		2548	XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
		2549	}
		2550	}
		2551	else
		2552	#endif
		2553	{
2519	XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]);	2554	XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2520	XClearWindow (dpy, parent[0]);
2521	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);	2555	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
		2556	}
2522		2557
2523	if (scrollBar.win)	2558	XClearWindow (dpy, parent);
		2559
		2560	if (scrollBar.state && scrollBar.win)
2524	{	2561	{
		2562	if (transparent)
		2563	XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
		2564	else
2525	XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);	2565	XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2526	scrollBar.state = STATE_IDLE;	2566	scrollBar.state = SB_STATE_IDLE;
2527	scrollBar.show (0);	2567	scrollBar.show (0);
2528	}	2568	}
2529		2569
2530	#endif	2570	if (refresh)
2531		2571	{
2532	/* bgPixmap.apply () does not do the following : */
2533	scr_clear ();	2572	scr_clear ();
2534	scr_touch (true);	2573	scr_touch (true);
		2574	}
2535	want_refresh = 1;	2575	want_refresh = 1;
2536	}	2576	}
2537		2577
2538	/* ------------------------------------------------------------------------- */	2578	/* ------------------------------------------------------------------------- */
2539	void	2579	void
2540	rxvt_term::scr_clear (bool really) NOTHROW	2580	rxvt_term::scr_clear (bool really) noexcept
2541	{	2581	{
2542	if (!mapped)	2582	if (!mapped)
2543	return;	2583	return;
2544		2584
2545	num_scr_allow = 0;	2585	num_scr_allow = 0;
…		…
2548	if (really)	2588	if (really)
2549	XClearWindow (dpy, vt);	2589	XClearWindow (dpy, vt);
2550	}	2590	}
2551		2591
2552	void	2592	void
2553	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
2554	{	2594	{
2555	int view_end = view_start + nrow;	2595	int view_end = view_start + nrow;
2556	int row, col;	2596	int row, col;
2557		2597
2558	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++)
…		…
2570	srp[col] ^= rstyle2;	2610	srp[col] ^= rstyle2;
2571	}	2611	}
2572	}	2612	}
2573		2613
2574	void	2614	void
2575	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
2576	{	2616	{
2577	int view_end = view_start + nrow;	2617	int view_end = view_start + nrow;
2578	int row, col;	2618	int row, col;
2579		2619
2580	if (beg_row >= view_start)	2620	if (beg_row >= view_start)
…		…
2596	for (rend_t *srp = ROW(row).r; col < end_col; col++)	2636	for (rend_t *srp = ROW(row).r; col < end_col; col++)
2597	srp[col] ^= rstyle;	2637	srp[col] ^= rstyle;
2598	}	2638	}
2599		2639
2600	/* ------------------------------------------------------------------------- */	2640	/* ------------------------------------------------------------------------- */
2601	void	2641	void ecb_hot
2602	rxvt_term::scr_reverse_selection () NOTHROW	2642	rxvt_term::scr_reverse_selection () noexcept
2603	{	2643	{
2604	if (selection.op	2644	if (selection.op
2605	&& current_screen == selection.screen	2645	&& current_screen == selection.screen
2606	&& selection.end.row >= view_start)	2646	&& selection.end.row >= view_start)
2607	{	2647	{
…		…
2623	* Dump the whole scrollback and screen to the passed filedescriptor. The	2663	* Dump the whole scrollback and screen to the passed filedescriptor. The
2624	* invoking routine must close the fd.	2664	* invoking routine must close the fd.
2625	*/	2665	*/
2626	#if 0	2666	#if 0
2627	void	2667	void
2628	rxvt_term::scr_dump (int fd) NOTHROW	2668	rxvt_term::scr_dump (int fd) noexcept
2629	{	2669	{
2630	int row, wrote;	2670	// if this method is needed, it can be implemented by factoring the
2631	unsigned int width, towrite;	2671	// relevant code in scr_printscreen
2632	char r1[] = "\n";
2633
2634	for (row = saveLines + top_row;
2635	row < saveLines + nrow - 1; row++)
2636	{
2637	width = row_buf[row].l >= 0 ? row_buf[row].l
2638	: ncol;
2639	for (towrite = width; towrite; towrite -= wrote)
2640	{
2641	wrote = write (fd, & (row_buf[row].t[width - towrite]),
2642	towrite);
2643	if (wrote < 0)
2644	return; /* XXX: death, no report */
2645	}
2646	if (row_buf[row].l >= 0)
2647	if (write (fd, r1, 1) <= 0)
2648	return; /* XXX: death, no report */
2649	}
2650	}	2672	}
2651	#endif	2673	#endif
2652		2674
2653	/* ------------------------------------------------------------------------- *	2675	/* ------------------------------------------------------------------------- *
2654	* CHARACTER SELECTION *	2676	* CHARACTER SELECTION *
2655	* ------------------------------------------------------------------------- */	2677	* ------------------------------------------------------------------------- */
2656	void	2678	void
2657	rxvt_term::selection_check (int check_more) NOTHROW	2679	rxvt_term::selection_check (int check_more) noexcept
2658	{	2680	{
2659	row_col_t pos;
2660
2661	if (!selection.op)	2681	if (!selection.op)
2662	return;	2682	return;
2663		2683
2664	pos.row = pos.col = 0;
2665	if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)	2684	if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2666	|| !IN_RANGE_EXC (selection.mark.row, top_row, nrow)	2685	|| !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2667	|| !IN_RANGE_EXC (selection.end.row, top_row, nrow)	2686	|| !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2668	|| (check_more == 1	2687	|| (check_more == 1
2669	&& current_screen == selection.screen	2688	&& current_screen == selection.screen
2670	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)	2689	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2671	&& ROWCOL_IS_BEFORE (screen.cur, selection.end))	2690	&& ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2672	|| (check_more == 2
2673	&& ROWCOL_IS_BEFORE (selection.beg, pos)
2674	&& ROWCOL_IS_AFTER (selection.end, pos))
2675	|| (check_more == 3
2676	&& ROWCOL_IS_AFTER (selection.end, pos))
2677	|| (check_more == 4 /* screen width change */
2678	&& (selection.beg.row != selection.end.row
2679	|| selection.end.col > ncol)))
2680	CLEAR_SELECTION ();	2691	CLEAR_ALL_SELECTION ();
		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;
2681	}	2706	}
2682		2707
2683	/* ------------------------------------------------------------------------- */	2708	/* ------------------------------------------------------------------------- */
2684	/*	2709	/*
2685	* Paste a selection direct to the command fd	2710	* Paste a selection direct to the command fd
2686	*/	2711	*/
2687	void	2712	void
2688	rxvt_term::tt_paste (char *data, unsigned int len) NOTHROW	2713	rxvt_term::tt_paste (char *data, unsigned int len) noexcept
2689	{	2714	{
2690	/* convert normal newline chars into common keyboard Return key sequence */	2715	/* convert normal newline chars into common keyboard Return key sequence */
2691	for (unsigned int i = 0; i < len; i++)	2716	for (unsigned int i = 0; i < len; i++)
2692	if (data[i] == C0_LF)	2717	if (data[i] == C0_LF)
2693	data[i] = C0_CR;	2718	data[i] = C0_CR;
2694		2719
2695	if (priv_modes & PrivMode_BracketPaste)	2720	#if ENABLE_FRILLS
		2721	if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2696	tt_printf ("\e[200~");	2722	tt_printf ("\x1b[200~");
		2723	#endif
2697		2724
2698	tt_write (data, len);	2725	tt_write (data, len);
2699		2726
2700	if (priv_modes & PrivMode_BracketPaste)	2727	#if ENABLE_FRILLS
		2728	if ((priv_modes & PrivMode_BracketPaste) && !option (Opt_disablePasteBrackets))
2701	tt_printf ("\e[201~");	2729	tt_printf ("\x1b[201~");
		2730	#endif
2702	}	2731	}
2703		2732
2704	void	2733	void
2705	rxvt_term::paste (char *data, unsigned int len) NOTHROW	2734	rxvt_term::paste (char *data, unsigned int len) noexcept
2706	{	2735	{
2707	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)))
2708	return;	2737	return;
2709		2738
2710	tt_paste (data, len);	2739	tt_paste (data, len);
2711	}	2740	}
2712		2741
2713	/* ------------------------------------------------------------------------- */	2742	/* ------------------------------------------------------------------------- */
2714	/*	2743	/*
2715	* Respond to a notification that a primary selection has been sent	2744	* Request PRIMARY, SECONDARY or CLIPBOARD selection.
2716	* EXT: SelectionNotify	2745	* if the requested selection has no owner or is empty CUT_BUFFER0 is used
2717	*/	2746	* as fallback
2718	void
2719	rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW
2720	{
2721	if (prop == None) /* check for failed XConvertSelection */
2722	{
2723	if ((selection_type & Sel_CompoundText))
2724	{
2725	int selnum = selection_type & Sel_whereMask;
2726
2727	selection_type = 0;
2728	if (selnum != Sel_direct)
2729	selection_request_other (XA_STRING, selnum);
2730	}
2731
2732	if ((selection_type & Sel_UTF8String))
2733	{
2734	int selnum = selection_type & Sel_whereMask;
2735
2736	selection_type = Sel_CompoundText;
2737	if (selnum != Sel_direct)
2738	selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2739	else
2740	selection_type = 0;
2741	}
2742
2743	return;
2744	}
2745
2746	unsigned long bytes_after;
2747	XTextProperty ct;
2748
2749	if (XGetWindowProperty (dpy, win, prop,
2750	0, PROP_SIZE / 4,
2751	delete_prop, AnyPropertyType,
2752	&ct.encoding, &ct.format,
2753	&ct.nitems, &bytes_after,
2754	&ct.value) != Success)
2755	{
2756	ct.value = 0;
2757	goto bailout;
2758	}
2759
2760	if (ct.encoding == None)
2761	goto bailout;
2762
2763	if (bytes_after)
2764	{
2765	// fetch and append remaining data
2766	XTextProperty ct2;
2767
2768	if (XGetWindowProperty (dpy, win, prop,
2769	ct.nitems / 4, (bytes_after + 3) / 4,
2770	delete_prop, AnyPropertyType,
2771	&ct2.encoding, &ct2.format,
2772	&ct2.nitems, &bytes_after,
2773	&ct2.value) != Success)
2774	goto bailout;
2775
2776	// realloc should be compatible to XFree, here, and elsewhere, too
2777	ct.value = (unsigned char *)realloc (ct.value, ct.nitems + ct2.nitems + 1);
2778	memcpy (ct.value + ct.nitems, ct2.value, ct2.nitems + 1);
2779	ct.nitems += ct2.nitems;
2780
2781	XFree (ct2.value);
2782	}
2783
2784	if (ct.value == 0)
2785	goto bailout;
2786
2787	if (ct.encoding == xa[XA_INCR])
2788	{
2789	// INCR selection, start handshake
2790	if (!delete_prop)
2791	XDeleteProperty (dpy, win, prop);
2792
2793	selection_wait = Sel_incr;
2794	incr_buf_fill = 0;
2795	incr_ev.start (10);
2796
2797	goto bailout;
2798	}
2799
2800	if (ct.nitems == 0)
2801	{
2802	if (selection_wait == Sel_incr)
2803	{
2804	XFree (ct.value);
2805
2806	// finally complete, now paste the whole thing
2807	selection_wait = Sel_normal;
2808	ct.value = (unsigned char *)incr_buf;
2809	ct.nitems = incr_buf_fill;
2810	incr_buf = 0;
2811	incr_buf_size = 0;
2812	incr_ev.stop ();
2813	}
2814	else
2815	{
2816	if (selection_wait == Sel_normal
2817	&& (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2818	{
2819	/*
2820	* pass through again trying CUT_BUFFER0 if we've come from
2821	* XConvertSelection () but nothing was presented
2822	*/
2823	selection_paste (display->root, XA_CUT_BUFFER0, False);
2824	}
2825
2826	goto bailout;
2827	}
2828	}
2829	else if (selection_wait == Sel_incr)
2830	{
2831	incr_ev.start (10);
2832
2833	while (incr_buf_fill + ct.nitems > incr_buf_size)
2834	{
2835	incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
2836	incr_buf = (char *)realloc (incr_buf, incr_buf_size);
2837	}
2838
2839	memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
2840	incr_buf_fill += ct.nitems;
2841
2842	goto bailout;
2843	}
2844
2845	char **cl;
2846	int cr;
2847
2848	#if !ENABLE_MINIMAL
2849	// xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
2850	// so recode it manually
2851	if (ct.encoding == xa[XA_UTF8_STRING])
2852	{
2853	wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2854	char *s = rxvt_wcstombs (w);
2855	free (w);
2856	// TODO: strlen == only the first element will be converted. well...
2857	paste (s, strlen (s));
2858	free (s);
2859	}
2860	else
2861	#endif
2862	if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
2863	&& cl)
2864	{
2865	for (int i = 0; i < cr; i++)
2866	paste (cl[i], strlen (cl[i]));
2867
2868	XFreeStringList (cl);
2869	}
2870	else
2871	paste ((char *)ct.value, ct.nitems); // paste raw
2872
2873	bailout:
2874	XFree (ct.value);
2875
2876	if (selection_wait == Sel_normal)
2877	selection_wait = Sel_none;
2878	}
2879
2880	void
2881	rxvt_term::incr_cb (ev::timer &w, int revents) NOTHROW
2882	{
2883	selection_wait = Sel_none;
2884
2885	incr_buf_size = 0;
2886	free (incr_buf);
2887
2888	rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2889	}
2890
2891	void
2892	rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2893	{
2894	if (prop == None || selection_wait != Sel_incr)
2895	return;
2896
2897	selection_paste (win, prop, true);
2898	}
2899
2900	/* ------------------------------------------------------------------------- */
2901	/*
2902	* Request the current selection:
2903	* Order: > internal selection if available
2904	* > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+)
2905	* > CUT_BUFFER0
2906	* (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2907	* will auto fallback to CUT_BUFFER0
2908	* EXT: button 2 release	2747	* EXT: button 2 release
2909	*/	2748	*/
2910	void	2749	void
2911	rxvt_term::selection_request (Time tm, int selnum) NOTHROW	2750	rxvt_term::selection_request (Time tm, int selnum) noexcept
2912	{	2751	{
2913	if (selection.text && selnum == Sel_Primary)	2752	if (!selection_req)
2914	{
2915	/* internal selection */
2916	char *str = rxvt_wcstombs (selection.text, selection.len);
2917	paste (str, strlen (str));
2918	free (str);
2919	return;
2920	}	2753	{
2921	else	2754	selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
		2755	selection_req->run ();
2922	{	2756	}
2923	selection_request_time = tm;
2924	selection_wait = Sel_normal;
2925
2926	#if X_HAVE_UTF8_STRING
2927	selection_type = Sel_UTF8String;
2928	if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2929	return;
2930	#else
2931	selection_type = Sel_CompoundText;
2932	if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2933	return;
2934	#endif
2935	}
2936
2937	selection_wait = Sel_none; /* don't loop in selection_paste () */
2938	selection_paste (display->root, XA_CUT_BUFFER0, false);
2939	}
2940
2941	int
2942	rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2943	{
2944	Atom sel;
2945
2946	selection_type |= selnum;
2947
2948	if (selnum == Sel_Primary)
2949	sel = XA_PRIMARY;
2950	else if (selnum == Sel_Secondary)
2951	sel = XA_SECONDARY;
2952	else
2953	sel = xa[XA_CLIPBOARD];
2954
2955	if (XGetSelectionOwner (dpy, sel) != None)
2956	{
2957	XConvertSelection (dpy, sel, target, xa[XA_VT_SELECTION],
2958	vt, selection_request_time);
2959	return 1;
2960	}
2961
2962	return 0;
2963	}	2757	}
2964		2758
2965	/* ------------------------------------------------------------------------- */	2759	/* ------------------------------------------------------------------------- */
2966	/*	2760	/*
2967	* Clear all selected text	2761	* Clear all selected text
2968	* EXT: SelectionClear	2762	* EXT: SelectionClear
2969	*/	2763	*/
2970	void	2764	void
2971	rxvt_term::selection_clear (bool clipboard) NOTHROW	2765	rxvt_term::selection_clear (bool clipboard) noexcept
2972	{	2766	{
2973	if (!clipboard)	2767	if (!clipboard)
2974	{	2768	{
2975	want_refresh = 1;	2769	want_refresh = 1;
2976	free (selection.text);	2770	free (selection.text);
…		…
2998	* EXT: button 1 or 3 release	2792	* EXT: button 1 or 3 release
2999	*/	2793	*/
3000	void	2794	void
3001	rxvt_term::selection_make (Time tm)	2795	rxvt_term::selection_make (Time tm)
3002	{	2796	{
3003	int i;	2797	int size;
3004	wchar_t *new_selection_text;	2798	wchar_t *new_selection_text;
3005	text_t *t;	2799	text_t *t;
3006		2800
3007	switch (selection.op)	2801	switch (selection.op)
3008	{	2802	{
…		…
3024	return; /* nothing selected, go away */	2818	return; /* nothing selected, go away */
3025		2819
3026	if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))	2820	if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
3027	return;	2821	return;
3028		2822
3029	i = (selection.end.row - selection.beg.row + 1) * (ncol + 1);	2823	size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
3030	new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));	2824	new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
3031		2825
3032	int ofs = 0;	2826	int ofs = 0;
3033	int extra = 0;	2827	int extra = 0;
3034		2828
3035	int col = selection.beg.col;	2829	int col = selection.beg.col;
…		…
3041	{	2835	{
3042	#if !ENABLE_MINIMAL	2836	#if !ENABLE_MINIMAL
3043	if (selection.rect)	2837	if (selection.rect)
3044	{	2838	{
3045	col = selection.beg.col;	2839	col = selection.beg.col;
3046	end_col = ncol + 1;	2840	end_col = selection.end.col;
3047	}	2841	}
3048	else	2842	else
3049	#endif	2843	#endif
3050	end_col = ROW(row).l;	2844	end_col = ROW(row).l;
3051		2845
3052	col = max (col, 0);	2846	col = max (col, 0);
3053		2847
3054	if (row == selection.end.row	2848	if (row == selection.end.row)
3055	#if !ENABLE_MINIMAL
3056	|| selection.rect
3057	#endif
3058	)
3059	min_it (end_col, selection.end.col);	2849	min_it (end_col, selection.end.col);
3060		2850
3061	t = ROW(row).t + col;	2851	t = ROW(row).t + col;
3062		2852
3063	for (; col < end_col; col++)	2853	for (; col < end_col; col++)
…		…
3065	if (*t == NOCHAR)	2855	if (*t == NOCHAR)
3066	t++;	2856	t++;
3067	#if ENABLE_COMBINING	2857	#if ENABLE_COMBINING
3068	else if (IS_COMPOSE (*t))	2858	else if (IS_COMPOSE (*t))
3069	{	2859	{
3070	int len = rxvt_composite.expand (*t, 0);	2860	int len = rxvt_composite.expand (*t);
3071		2861
3072	extra -= (len - 1);	2862	extra -= (len - 1);
3073		2863
3074	if (extra < 0)	2864	if (extra < 0)
3075	{	2865	{
3076	extra += i;	2866	extra += size;
3077	i += i;	2867	size += size;
3078	new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t));	2868	new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
3079	}	2869	}
3080		2870
3081	ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);	2871	ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
3082	}	2872	}
3083	#endif	2873	#endif
…		…
3095		2885
3096	new_selection_text[ofs++] = C0_LF;	2886	new_selection_text[ofs++] = C0_LF;
3097	}	2887	}
3098	else	2888	else
3099	#endif	2889	#endif
3100	if (!ROW(row).is_longer () && row != selection.end.row)	2890	if (!ROW(row).is_longer ()
		2891	&& (row != selection.end.row || end_col != selection.end.col)
		2892	&& (row != selection.beg.row || selection.beg.col < ncol))
3101	new_selection_text[ofs++] = C0_LF;	2893	new_selection_text[ofs++] = C0_LF;
3102	}	2894	}
3103
3104	if (end_col != selection.end.col)
3105	new_selection_text[ofs++] = C0_LF;
3106		2895
3107	new_selection_text[ofs] = 0;	2896	new_selection_text[ofs] = 0;
3108		2897
3109	if (ofs == 0)	2898	if (ofs == 0)
3110	{	2899	{
…		…
3123		2912
3124	selection_grab (tm);	2913	selection_grab (tm);
3125	}	2914	}
3126		2915
3127	bool	2916	bool
3128	rxvt_term::selection_grab (Time tm, bool clipboard) NOTHROW	2917	rxvt_term::selection_grab (Time tm, bool clipboard) noexcept
3129	{	2918	{
3130	Atom sel;	2919	Atom sel;
3131		2920
3132	if (!clipboard)	2921	if (!clipboard)
3133	{	2922	{
…		…
3166	/* ------------------------------------------------------------------------- */	2955	/* ------------------------------------------------------------------------- */
3167	/*	2956	/*
3168	* 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
3169	* EXT: button 1 press	2958	* EXT: button 1 press
3170	*/	2959	*/
3171	void	2960	void ecb_cold
3172	rxvt_term::selection_click (int clicks, int x, int y) NOTHROW	2961	rxvt_term::selection_click (int clicks, int x, int y) noexcept
3173	{	2962	{
3174	clicks = ((clicks - 1) % 3) + 1;	2963	clicks = ((clicks - 1) % 3) + 1;
3175	selection.clicks = clicks; /* save clicks so extend will work */	2964	selection.clicks = clicks; /* save clicks so extend will work */
3176		2965
3177	if (clicks == 2 && !selection.rect	2966	if (clicks == 2 && !selection.rect
…		…
3195		2984
3196	/* ------------------------------------------------------------------------- */	2985	/* ------------------------------------------------------------------------- */
3197	/*	2986	/*
3198	* Mark a selection at the specified col/row	2987	* Mark a selection at the specified col/row
3199	*/	2988	*/
3200	void	2989	void ecb_cold
3201	rxvt_term::selection_start_colrow (int col, int row) NOTHROW	2990	rxvt_term::selection_start_colrow (int col, int row) noexcept
3202	{	2991	{
3203	want_refresh = 1;	2992	want_refresh = 1;
3204		2993
3205	selection.mark.row = row + view_start;	2994	selection.mark.row = row + view_start;
3206	selection.mark.col = col;	2995	selection.mark.col = col;
…		…
3228	* Word select: select text for 2 clicks	3017	* Word select: select text for 2 clicks
3229	* We now only find out the boundary in one direction	3018	* We now only find out the boundary in one direction
3230	*/	3019	*/
3231		3020
3232	/* 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 */
3233	#define DELIMIT_TEXT(x) \	3022	#define DELIMIT_TEXT(x) \
3234	(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)))
3235	#define DELIMIT_REND(x) 1	3024	#define DELIMIT_REND(x) 1
3236		3025
3237	void	3026	void ecb_cold
3238	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
3239	{	3028	{
3240	int col, row, dirnadd, tcol, trow, w1, w2;	3029	int col, row, dirnadd, tcol, trow, w1, w2;
3241	row_col_t bound;	3030	row_col_t bound;
3242	text_t *stp;	3031	text_t *stp;
3243	rend_t *srp;	3032	rend_t *srp;
…		…
3316	* EXT: button 3 press; button 1 or 3 drag	3105	* EXT: button 3 press; button 1 or 3 drag
3317	* flag == 0 ==> button 1	3106	* flag == 0 ==> button 1
3318	* flag == 1 ==> button 3 press	3107	* flag == 1 ==> button 3 press
3319	* flag == 2 ==> button 3 motion	3108	* flag == 2 ==> button 3 motion
3320	*/	3109	*/
3321	void	3110	void ecb_cold
3322	rxvt_term::selection_extend (int x, int y, int flag) NOTHROW	3111	rxvt_term::selection_extend (int x, int y, int flag) noexcept
3323	{	3112	{
3324	int col = clamp (Pixel2Col (x), 0, ncol);	3113	int col = clamp (Pixel2Col (x), 0, ncol);
3325	int row = clamp (Pixel2Row (y), 0, nrow - 1);	3114	int row = clamp (Pixel2Row (y), 0, nrow - 1);
3326		3115
3327	/*	3116	/*
…		…
3352		3141
3353	/* ------------------------------------------------------------------------- */	3142	/* ------------------------------------------------------------------------- */
3354	/*	3143	/*
3355	* Extend the selection to the specified col/row	3144	* Extend the selection to the specified col/row
3356	*/	3145	*/
3357	void	3146	void ecb_cold
3358	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
3359	{	3148	{
3360	row_col_t pos;	3149	row_col_t pos;
3361	enum {	3150	enum {
3362	LEFT, RIGHT	3151	LEFT, RIGHT
3363	} closeto = RIGHT;	3152	} closeto = RIGHT;
3364
3365	want_refresh = 1;
3366		3153
3367	switch (selection.op)	3154	switch (selection.op)
3368	{	3155	{
3369	case SELECTION_INIT:	3156	case SELECTION_INIT:
3370	CLEAR_SELECTION ();	3157	CLEAR_SELECTION ();
…		…
3550		3337
3551	#if !ENABLE_MINIMAL	3338	#if !ENABLE_MINIMAL
3552	if (selection.rect && selection.beg.col > selection.end.col)	3339	if (selection.rect && selection.beg.col > selection.end.col)
3553	::swap (selection.beg.col, selection.end.col);	3340	::swap (selection.beg.col, selection.end.col);
3554	#endif	3341	#endif
		3342
		3343	selection_changed ();
3555	}	3344	}
3556		3345
3557	#if !ENABLE_MINIMAL	3346	#if !ENABLE_MINIMAL
3558	void	3347	void ecb_cold
3559	rxvt_term::selection_remove_trailing_spaces () NOTHROW	3348	rxvt_term::selection_remove_trailing_spaces () noexcept
3560	{	3349	{
3561	int32_t end_col, end_row;	3350	int32_t end_col, end_row;
3562	text_t *stp;	3351	text_t *stp;
3563		3352
3564	end_col = selection.end.col;	3353	end_col = selection.end.col;
…		…
3601	/* ------------------------------------------------------------------------- */	3390	/* ------------------------------------------------------------------------- */
3602	/*	3391	/*
3603	* Double click on button 3 when already selected	3392	* Double click on button 3 when already selected
3604	* EXT: button 3 double click	3393	* EXT: button 3 double click
3605	*/	3394	*/
3606	void	3395	void ecb_cold
3607	rxvt_term::selection_rotate (int x, int y) NOTHROW	3396	rxvt_term::selection_rotate (int x, int y) noexcept
3608	{	3397	{
3609	selection.clicks = selection.clicks % 3 + 1;	3398	selection.clicks = selection.clicks % 3 + 1;
3610	selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);	3399	selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3611	}	3400	}
3612		3401
3613	/* ------------------------------------------------------------------------- */	3402	/* ------------------------------------------------------------------------- */
3614	/*	3403	/*
3615	* Respond to a request for our current selection	3404	* Respond to a request for our current selection
3616	* EXT: SelectionRequest	3405	* EXT: SelectionRequest
3617	*/	3406	*/
3618	void	3407	void ecb_cold
3619	rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW	3408	rxvt_term::selection_send (const XSelectionRequestEvent &rq) noexcept
3620	{	3409	{
		3410	Atom property = rq.property == None ? rq.target : rq.property;
3621	XSelectionEvent ev;	3411	XSelectionEvent ev;
3622		3412
3623	ev.type = SelectionNotify;	3413	ev.type = SelectionNotify;
3624	ev.property = None;	3414	ev.property = None;
3625	ev.display = rq.display;	3415	ev.display = rq.display;
…		…
3640	*target++ = xa[XA_COMPOUND_TEXT];	3430	*target++ = xa[XA_COMPOUND_TEXT];
3641	#if X_HAVE_UTF8_STRING	3431	#if X_HAVE_UTF8_STRING
3642	*target++ = xa[XA_UTF8_STRING];	3432	*target++ = xa[XA_UTF8_STRING];
3643	#endif	3433	#endif
3644		3434
3645	XChangeProperty (dpy, rq.requestor, rq.property, XA_ATOM,	3435	XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3646	32, PropModeReplace,	3436	32, PropModeReplace,
3647	(unsigned char *)target_list, target - target_list);	3437	(unsigned char *)target_list, target - target_list);
3648	ev.property = rq.property;	3438	ev.property = property;
3649	}	3439	}
3650	#if TODO // TODO	3440	#if TODO // TODO
3651	else if (rq.target == xa[XA_MULTIPLE])	3441	else if (rq.target == xa[XA_MULTIPLE])
3652	{	3442	{
3653	/* TODO: Handle MULTIPLE */	3443	/* TODO: Handle MULTIPLE */
3654	}	3444	}
3655	#endif	3445	#endif
3656	else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)	3446	else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3657	{	3447	{
3658	XChangeProperty (dpy, rq.requestor, rq.property, rq.target,	3448	XChangeProperty (dpy, rq.requestor, property, rq.target,
3659	32, PropModeReplace, (unsigned char *)&selection_time, 1);	3449	32, PropModeReplace, (unsigned char *)&selection_time, 1);
3660	ev.property = rq.property;	3450	ev.property = property;
3661	}	3451	}
3662	else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)	3452	else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3663	{	3453	{
3664	XChangeProperty (dpy, rq.requestor, rq.property, rq.target,	3454	XChangeProperty (dpy, rq.requestor, property, rq.target,
3665	32, PropModeReplace, (unsigned char *)&clipboard_time, 1);	3455	32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3666	ev.property = rq.property;	3456	ev.property = property;
3667	}	3457	}
3668	else if (rq.target == XA_STRING	3458	else if (rq.target == XA_STRING
3669	|| rq.target == xa[XA_TEXT]	3459	|| rq.target == xa[XA_TEXT]
3670	|| rq.target == xa[XA_COMPOUND_TEXT]	3460	|| rq.target == xa[XA_COMPOUND_TEXT]
3671	|| rq.target == xa[XA_UTF8_STRING]	3461	|| rq.target == xa[XA_UTF8_STRING]
…		…
3715	cl = selection.clip_text;	3505	cl = selection.clip_text;
3716	selectlen = selection.clip_len;	3506	selectlen = selection.clip_len;
3717	}	3507	}
3718	else	3508	else
3719	{	3509	{
3720	cl = L"";	3510	cl = (wchar_t *)L"";
3721	selectlen = 0;	3511	selectlen = 0;
3722	}	3512	}
3723		3513
3724	#if !ENABLE_MINIMAL	3514	#if !ENABLE_MINIMAL
3725	// 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
…		…
3742	ct.value = (unsigned char *)cl;	3532	ct.value = (unsigned char *)cl;
3743	ct.nitems = selectlen;	3533	ct.nitems = selectlen;
3744	ct.encoding = target;	3534	ct.encoding = target;
3745	}	3535	}
3746		3536
3747	XChangeProperty (dpy, rq.requestor, rq.property,	3537	XChangeProperty (dpy, rq.requestor, property,
3748	ct.encoding, 8, PropModeReplace,	3538	ct.encoding, 8, PropModeReplace,
3749	ct.value, (int)ct.nitems);	3539	ct.value, (int)ct.nitems);
3750	ev.property = rq.property;	3540	ev.property = property;
3751		3541
3752	if (freect)	3542	if (freect)
3753	XFree (ct.value);	3543	XFree (ct.value);
3754	}	3544	}
3755		3545
3756	XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);	3546	XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3757	}	3547	}
3758		3548
3759	/* ------------------------------------------------------------------------- */	3549	/* ------------------------------------------------------------------------- */
3760	#ifdef USE_XIM	3550	#if USE_XIM
3761	void	3551	void ecb_cold
3762	rxvt_term::im_set_position (XPoint &pos) NOTHROW	3552	rxvt_term::im_set_position (XPoint &pos) noexcept
3763	{	3553	{
3764	XWindowAttributes xwa;	3554	XWindowAttributes xwa;
3765		3555
3766	XGetWindowAttributes (dpy, vt, &xwa);	3556	XGetWindowAttributes (dpy, vt, &xwa);
3767		3557
…		…
3770	}	3560	}
3771	#endif	3561	#endif
3772		3562
3773	#if ENABLE_OVERLAY	3563	#if ENABLE_OVERLAY
3774	void	3564	void
3775	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
3776	{	3566	{
3777	if (nrow < 1 || ncol < 1)	3567	if (nrow < 1 || ncol < 1)
3778	return;	3568	return;
3779		3569
3780	want_refresh = 1;	3570	want_refresh = 1;
…		…
3825	*rp = r;	3615	*rp = r;
3826	}	3616	}
3827	}	3617	}
3828		3618
3829	void	3619	void
3830	rxvt_term::scr_overlay_off () NOTHROW	3620	rxvt_term::scr_overlay_off () noexcept
3831	{	3621	{
3832	if (!ov.text)	3622	if (!ov.text)
3833	return;	3623	return;
3834		3624
3835	want_refresh = 1;	3625	want_refresh = 1;
…		…
3843	delete [] ov.text; ov.text = 0;	3633	delete [] ov.text; ov.text = 0;
3844	delete [] ov.rend; ov.rend = 0;	3634	delete [] ov.rend; ov.rend = 0;
3845	}	3635	}
3846		3636
3847	void	3637	void
3848	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
3849	{	3639	{
3850	if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)	3640	if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3851	return;	3641	return;
3852		3642
3853	x++, y++;	3643	x++, y++;
…		…
3855	ov.text[y][x] = text;	3645	ov.text[y][x] = text;
3856	ov.rend[y][x] = rend;	3646	ov.rend[y][x] = rend;
3857	}	3647	}
3858		3648
3859	void	3649	void
3860	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
3861	{	3651	{
3862	while (*s)	3652	while (*s)
3863	scr_overlay_set (x++, y, *s++);	3653	scr_overlay_set (x++, y, *s++);
3864	}	3654	}
3865		3655
3866	void	3656	void
3867	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
3868	{	3658	{
3869	while (*s)	3659	while (*s)
3870	{	3660	{
3871	text_t t = *s++;	3661	text_t t = *s++;
3872	int width = WCWIDTH (t);	3662	int width = WCWIDTH (t);
…		…
3878	}	3668	}
3879	}	3669	}
3880	}	3670	}
3881		3671
3882	void	3672	void
3883	rxvt_term::scr_swap_overlay () NOTHROW	3673	rxvt_term::scr_swap_overlay () noexcept
3884	{	3674	{
3885	if (!ov.text)	3675	if (!ov.text)
3886	return;	3676	return;
3887		3677
3888	// hide cursor if it is within the overlay area	3678	// hide cursor if it is within the overlay area

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