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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.348 by sf-exg, Sat Oct 9 22:33:45 2010 UTC vs.
Revision 1.429 by root, Sun Jan 13 20:11:21 2013 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	*	7	*
8	* This program is free software; you can redistribute it and/or modify	8	* 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	9	* 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	10	* the Free Software Foundation; either version 2 of the License, or
11	* (at your option) any later version.	11	* (at your option) any later version.
…		…
28	#include "rxvt.h" /* NECESSARY */	28	#include "rxvt.h" /* NECESSARY */
29	#include "rxvtperl.h" /* NECESSARY */	29	#include "rxvtperl.h" /* NECESSARY */
30		30
31	#include <inttypes.h>	31	#include <inttypes.h>
32		32
33	#include "salloc.C" // HACK, should be a separate compile!
34
35	static inline void	33	static inline void
36	fill_text (text_t *start, text_t value, int len)	34	fill_text (text_t *start, text_t value, int len)
37	{	35	{
38	while (len--)	36	while (len--)
39	*start++ = value;	37	*start++ = value;
40	}	38	}
41		39
42	/* ------------------------------------------------------------------------- */	40	/* ------------------------------------------------------------------------- */
43	#define PROP_SIZE 256*1024
44	#define PASTE_SIZE 32768
45	#define TABSIZE 8 /* default tab size */	41	#define TABSIZE 8 /* default tab size */
46		42
47	/* ------------------------------------------------------------------------- *	43	/* ------------------------------------------------------------------------- *
48	* GENERAL SCREEN AND SELECTION UPDATE ROUTINES *	44	* GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
49	* ------------------------------------------------------------------------- */	45	* ------------------------------------------------------------------------- */
…		…
100		96
101	/* Fill part/all of a line with blanks. */	97	/* Fill part/all of a line with blanks. */
102	void	98	void
103	rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW	99	rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW
104	{	100	{
105	if (!l.t)	101	if (!l.valid ())
106	{	102	{
107	lalloc (l);	103	l.alloc ();
108	col = 0;	104	col = 0;
109	width = ncol;	105	width = ncol;
110	}	106	}
111		107
112	l.touch ();	108	l.touch ();
…		…
143	while (col > 0 && l.t[col] == NOCHAR)	139	while (col > 0 && l.t[col] == NOCHAR)
144	col--;	140	col--;
145		141
146	rend_t rend = l.r[col] & ~RS_baseattrMask;	142	rend_t rend = l.r[col] & ~RS_baseattrMask;
147	rend = SET_FONT (rend, FONTSET (rend)->find_font (' '));	143	rend = SET_FONT (rend, FONTSET (rend)->find_font (' '));
		144
		145	l.touch ();
148		146
149	// found start, nuke	147	// found start, nuke
150	do {	148	do {
151	l.t[col] = ' ';	149	l.t[col] = ' ';
152	l.r[col] = rend;	150	l.r[col] = rend;
…		…
157	/* ------------------------------------------------------------------------- *	155	/* ------------------------------------------------------------------------- *
158	* SCREEN INITIALISATION *	156	* SCREEN INITIALISATION *
159	* ------------------------------------------------------------------------- */	157	* ------------------------------------------------------------------------- */
160		158
161	void	159	void
		160	rxvt_term::scr_alloc () NOTHROW
		161	{
		162	int tsize = sizeof (text_t) * ncol;
		163	int rsize = sizeof (rend_t) * ncol;
		164
		165	// we assume that rend_t size is a sufficient alignment
		166	// factor for text_t and line_t values, and we only
		167	// need to adjust tsize.
		168	tsize = (tsize + sizeof (rend_t) - 1);
		169	tsize -= tsize % sizeof (rend_t);
		170
		171	int all_rows = total_rows + nrow + nrow;
		172
		173	chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
		174	chunk = chunk_alloc (chunk_size, 0);
		175
		176	char *base = (char *)chunk + sizeof (line_t) * all_rows;
		177
		178	for (int row = 0; row < all_rows; ++row)
		179	{
		180	line_t &l = ((line_t *)chunk) [row];
		181
		182	l.t = (text_t *)base; base += tsize;
		183	l.r = (rend_t *)base; base += rsize;
		184	l.l = -1;
		185	l.f = 0;
		186	}
		187
		188	drawn_buf = (line_t *)chunk;
		189	swap_buf = drawn_buf + nrow;
		190	row_buf = swap_buf + nrow;
		191	}
		192
		193	void ecb_cold
162	rxvt_term::scr_reset ()	194	rxvt_term::scr_reset ()
163	{	195	{
		196	#if ENABLE_OVERLAY
		197	scr_overlay_off ();
		198	#endif
		199
164	view_start = 0;	200	view_start = 0;
165	num_scr = 0;	201	num_scr = 0;
166		202
167	if (ncol == 0)	203	if (ncol == 0)
168	ncol = 80;	204	ncol = 80;
…		…
188	total_rows = nrow + saveLines;	224	total_rows = nrow + saveLines;
189		225
190	screen.tscroll = 0;	226	screen.tscroll = 0;
191	screen.bscroll = nrow - 1;	227	screen.bscroll = nrow - 1;
192		228
		229	void *prev_chunk = chunk;
		230	size_t prev_chunk_size = chunk_size;
		231	line_t *prev_drawn_buf = drawn_buf;
		232	line_t *prev_swap_buf = swap_buf;
		233	line_t *prev_row_buf = row_buf;
		234
		235	int common_col = min (prev_ncol, ncol);
		236
		237	scr_alloc ();
		238
193	if (!row_buf)	239	if (!prev_row_buf)
194	{	240	{
195	/*	241	/*
196	* first time called so just malloc everything: don't rely on realloc	242	* first time called (or after scr_release) so just malloc everything: don't rely on realloc
197	*/	243	*/
198	top_row = 0;	244	top_row = 0;
199	term_start = 0;	245	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		246
215	memset (charsets, 'B', sizeof (charsets));	247	memset (charsets, 'B', sizeof (charsets));
216	rstyle = DEFAULT_RSTYLE;	248	rstyle = DEFAULT_RSTYLE;
217	screen.flags = Screen_DefaultFlags;	249	screen.flags = Screen_DefaultFlags;
218	screen.cur.row = screen.cur.col = 0;	250	screen.cur.row = screen.cur.col = 0;
…		…
241	{	273	{
242	/*	274	/*
243	* add or delete rows as appropriate	275	* add or delete rows as appropriate
244	*/	276	*/
245		277
246	rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
247	rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
248
249	#if 0
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--; )	278	for (int row = min (nrow, prev_nrow); row--; )
264	{	279	{
265	lresize (drawn_buf[row]);	280	scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
266	lresize (swap_buf [row]);	281	scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
267	}
268		282
269	for (int row = prev_nrow; row < nrow; row++)	283	memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
		284	memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
		285
		286	memcpy (swap_buf [row].t, prev_swap_buf [row].t, sizeof (text_t) * common_col);
		287	memcpy (swap_buf [row].r, prev_swap_buf [row].r, sizeof (rend_t) * common_col);
		288	swap_buf [row].l = prev_swap_buf [row].l;
270	{	289	}
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		290
278	int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row	291	int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
279	int pend = MOD (term_start + top_row , prev_total_rows);	292	int pend = MOD (term_start + top_row , prev_total_rows);
280	int q = total_rows; // rewrapped row	293	int q = total_rows; // rewrapped row
281		294
…		…
289	ocur.row = MOD (term_start + ocur.row, prev_total_rows);	302	ocur.row = MOD (term_start + ocur.row, prev_total_rows);
290		303
291	do	304	do
292	{	305	{
293	p = MOD (p - 1, prev_total_rows);	306	p = MOD (p - 1, prev_total_rows);
294	assert (old_buf [MOD (p, prev_total_rows)].t);	307	assert (prev_row_buf [MOD (p, prev_total_rows)].t);
295	int plines = 1;	308	int plines = 1;
296	int llen = old_buf [MOD (p, prev_total_rows)].l;	309	int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
297		310
298	while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())	311	while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
299	{	312	{
300	p = MOD (p - 1, prev_total_rows);	313	p = MOD (p - 1, prev_total_rows);
301		314
302	plines++;	315	plines++;
303	llen += prev_ncol;	316	llen += prev_ncol;
…		…
316		329
317	// re-assemble the full line by destination lines	330	// re-assemble the full line by destination lines
318	for (int qrow = q; qlines--; qrow++)	331	for (int qrow = q; qlines--; qrow++)
319	{	332	{
320	qline = row_buf + qrow;	333	qline = row_buf + qrow;
321	lalloc (*qline);	334	qline->alloc (); // redundant with next line
322	qline->l = ncol;	335	qline->l = ncol;
323	qline->is_longer (1);	336	qline->is_longer (1);
324		337
325	int qcol = 0;	338	int qcol = 0;
326		339
…		…
341	// this seems to upset applications/shells/readline	354	// this seems to upset applications/shells/readline
342	// least.	355	// least.
343	if (prow == ocur.row)	356	if (prow == ocur.row)
344	screen.cur.row = q - (total_rows - nrow);	357	screen.cur.row = q - (total_rows - nrow);
345		358
346	line_t &pline = old_buf [prow];	359	line_t &pline = prev_row_buf [prow];
347		360
348	int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);	361	int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
349		362
350	memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));	363	memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
351	memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));	364	memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
…		…
372	{	385	{
373	// if no scrollback exists (yet), wing, instead of wrap	386	// if no scrollback exists (yet), wing, instead of wrap
374		387
375	for (int row = min (nrow, prev_nrow); row--; )	388	for (int row = min (nrow, prev_nrow); row--; )
376	{	389	{
377	line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)];	390	line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)];
378	line_t &qline = row_buf [row];	391	line_t &dst = row_buf [row];
379		392
380	qline = pline;	393	scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
381	lresize (qline);	394
		395	memcpy (dst.t, src.t, sizeof (text_t) * common_col);
		396	memcpy (dst.r, src.r, sizeof (rend_t) * common_col);
		397	dst.l = common_col;
382	}	398	}
383		399
384	for (int row = prev_nrow; row < nrow; row++)	400	for (int row = prev_nrow; row < nrow; row++)
385	{
386	row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);	401	scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
387	}
388		402
389	term_start = 0;	403	term_start = 0;
390	}	404	}
391
392	free (old_buf);
393	delete old_ta;
394	delete old_ra;
395		405
396	clamp_it (screen.cur.row, 0, nrow - 1);	406	clamp_it (screen.cur.row, 0, nrow - 1);
397	clamp_it (screen.cur.col, 0, ncol - 1);	407	clamp_it (screen.cur.col, 0, ncol - 1);
398	}	408	}
399		409
		410	for (int row = nrow; row--; )
		411	{
		412	if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
		413	if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
		414	if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
		415	}
		416
		417	chunk_free (prev_chunk, prev_chunk_size);
		418
400	free (tabs);	419	free (tabs);
401	tabs = (char *)rxvt_malloc (ncol);	420	tabs = (char *)rxvt_malloc (ncol);
402		421
403	for (int col = ncol; --col; )	422	for (int col = ncol; col--; )
404	tabs [col] = col % TABSIZE == 0;	423	tabs [col] = col % TABSIZE == 0;
405		424
406	CLEAR_ALL_SELECTION ();	425	CLEAR_ALL_SELECTION ();
407		426
408	prev_nrow = nrow;	427	prev_nrow = nrow;
…		…
411	tt_winch ();	430	tt_winch ();
412		431
413	HOOK_INVOKE ((this, HOOK_RESET, DT_END));	432	HOOK_INVOKE ((this, HOOK_RESET, DT_END));
414	}	433	}
415		434
416	/* ------------------------------------------------------------------------- */	435	void ecb_cold
417	/*
418	* Free everything. That way malloc debugging can find leakage.
419	*/
420	void
421	rxvt_term::scr_release () NOTHROW	436	rxvt_term::scr_release () NOTHROW
422	{	437	{
423	if (row_buf)	438	chunk_free (chunk, chunk_size);
424	{	439	chunk = 0;
425	delete talloc; talloc = 0;	440	row_buf = 0;
426	delete ralloc; ralloc = 0;
427		441
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);	442	free (tabs);
434	tabs = 0;	443	tabs = 0;
435	}
436	}	444	}
437		445
438	/* ------------------------------------------------------------------------- */	446	/* ------------------------------------------------------------------------- */
439	/*	447	/*
440	* Hard/Soft reset	448	* Hard/Soft reset
441	*/	449	*/
442	void	450	void ecb_cold
443	rxvt_term::scr_poweron ()	451	rxvt_term::scr_poweron ()
444	{	452	{
445	scr_release ();	453	scr_release ();
		454
446	prev_nrow = prev_ncol = 0;	455	prev_nrow = prev_ncol = 0;
447	rvideo_mode = false;	456	rvideo_mode = false;
448	scr_soft_reset ();	457	scr_soft_reset ();
449	scr_reset ();	458	scr_reset ();
450		459
451	scr_clear (true);	460	scr_clear (true);
452	scr_refresh ();	461	scr_refresh ();
453	}	462	}
454		463
455	void	464	void ecb_cold
456	rxvt_term::scr_soft_reset ()	465	rxvt_term::scr_soft_reset () NOTHROW
457	{	466	{
458	/* only affects modes, nothing drastic such as clearing the screen */	467	/* only affects modes, nothing drastic such as clearing the screen */
459	#if ENABLE_OVERLAY	468	#if ENABLE_OVERLAY
460	scr_overlay_off ();	469	scr_overlay_off ();
461	#endif	470	#endif
…		…
516	assert (s->cur.row >= 0);	525	assert (s->cur.row >= 0);
517	assert (s->cur.col >= 0);	526	assert (s->cur.col >= 0);
518	}	527	}
519		528
520	void	529	void
521	rxvt_term::scr_swap_screen ()	530	rxvt_term::scr_swap_screen () NOTHROW
522	{	531	{
523	if (!option (Opt_secondaryScreen))	532	if (!option (Opt_secondaryScreen))
524	return;	533	return;
525		534
526	for (int i = prev_nrow; i--; )	535	for (int i = prev_nrow; i--; )
…		…
545	return;	554	return;
546		555
547	want_refresh = 1;	556	want_refresh = 1;
548	view_start = 0;	557	view_start = 0;
549		558
550	selection_check (2); /* check for boundary cross */	559	/* check for boundary cross */
		560	row_col_t pos;
		561	pos.row = pos.col = 0;
		562	if (ROWCOL_IS_BEFORE (selection.beg, pos)
		563	&& ROWCOL_IS_AFTER (selection.end, pos))
		564	CLEAR_SELECTION ();
551		565
552	current_screen = scrn;	566	current_screen = scrn;
553		567
554	#if NSCREENS	568	#if NSCREENS
555	if (option (Opt_secondaryScreen))	569	if (option (Opt_secondaryScreen))
…		…
621	/*	635	/*
622	* Scroll text between <row1> and <row2> inclusive, by <count> lines	636	* Scroll text between <row1> and <row2> inclusive, by <count> lines
623	* count positive ==> scroll up	637	* count positive ==> scroll up
624	* count negative ==> scroll down	638	* count negative ==> scroll down
625	*/	639	*/
626	int	640	int ecb_hot
627	rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW	641	rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
628	{	642	{
629	if (count == 0 || (row1 > row2))	643	if (count == 0 || (row1 > row2))
630	return 0;	644	return 0;
631		645
…		…
634		648
635	if (count > 0	649	if (count > 0
636	&& row1 == 0	650	&& row1 == 0
637	&& (current_screen == PRIMARY || option (Opt_secondaryScroll)))	651	&& (current_screen == PRIMARY || option (Opt_secondaryScroll)))
638	{	652	{
		653	min_it (count, total_rows - (nrow - (row2 + 1)));
		654
639	top_row = max (top_row - count, -saveLines);	655	top_row = max (top_row - count, -saveLines);
640
641	// scroll everything up 'count' lines
642	term_start = (term_start + count) % total_rows;
643		656
644	// sever bottommost line	657	// sever bottommost line
645	{	658	{
646	line_t &l = ROW(row2 - count);	659	line_t &l = ROW(row2);
647	l.is_longer (0);	660	l.is_longer (0);
648	l.touch ();	661	l.touch ();
649	}	662	}
650		663
		664	// scroll everything up 'count' lines
		665	term_start = (term_start + count) % total_rows;
		666
		667	// now copy lines below the scroll region bottom to the
		668	// bottom of the screen again, so they look as if they
		669	// hadn't moved.
		670	for (int i = nrow; --i > row2; )
		671	{
		672	line_t &l1 = ROW(i - count);
		673	line_t &l2 = ROW(i);
		674
		675	::swap (l1, l2);
		676	l2.touch ();
		677	}
		678
651	// erase newly scrolled-in lines	679	// erase newly scrolled-in lines
652	for (int i = count; i--; )	680	for (int i = count; i--; )
653	{	681	{
654	line_t &l = ROW(nrow - 1 - i);	682	line_t &l = ROW(row2 - i);
655		683
656	// optimize if already cleared, can be significant on slow machines	684	// optimise if already cleared, can be significant on slow machines
657	// could be rolled into scr_blank_screen_mem	685	// 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)))	686	if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
659	{	687	{
660	scr_blank_line (l, 0, l.l, rstyle);	688	scr_blank_line (l, 0, l.l, rstyle);
661	l.l = 0;	689	l.l = 0;
…		…
663	}	691	}
664	else	692	else
665	scr_blank_screen_mem (l, rstyle);	693	scr_blank_screen_mem (l, rstyle);
666	}	694	}
667		695
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	696	// move and/or clear selection, if any
681	if (selection.op && current_screen == selection.screen)	697	if (selection.op && current_screen == selection.screen
		698	&& selection.beg.row <= row2)
682	{	699	{
683	selection.beg.row -= count;	700	selection.beg.row -= count;
684	selection.end.row -= count;	701	selection.end.row -= count;
685	selection.mark.row -= count;	702	selection.mark.row -= count;
686		703
687	if (selection.beg.row < top_row	704	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	}	705	}
695		706
696	// finally move the view window, if desired	707	// finally move the view window, if desired
697	if (option (Opt_scrollWithBuffer)	708	if (option (Opt_scrollWithBuffer)
698	&& view_start != 0	709	&& view_start != 0
…		…
728	}	739	}
729		740
730	// use a simple and robust scrolling algorithm, this	741	// use a simple and robust scrolling algorithm, this
731	// part of scr_scroll_text is not time-critical.	742	// part of scr_scroll_text is not time-critical.
732		743
		744	// sever line above scroll region
		745	if (row1)
		746	{
		747	line_t &l = ROW(row1 - 1);
		748	l.is_longer (0);
		749	l.touch ();
		750	}
		751
733	int rows = row2 - row1 + 1;	752	int rows = row2 - row1 + 1;
734		753
735	min_it (count, rows);	754	min_it (count, rows);
736		755
737	line_t *temp_buf = row_buf + total_rows;	756	line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
738		757
739	for (int row = 0; row < rows; row++)	758	for (int row = 0; row < rows; row++)
740	{	759	{
741	temp_buf [row] = ROW(row1 + (row + count + rows) % rows);	760	temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
742		761
…		…
744	scr_blank_screen_mem (temp_buf [row], rstyle);	763	scr_blank_screen_mem (temp_buf [row], rstyle);
745	}	764	}
746		765
747	for (int row = 0; row < rows; row++)	766	for (int row = 0; row < rows; row++)
748	ROW(row1 + row) = temp_buf [row];	767	ROW(row1 + row) = temp_buf [row];
		768
		769	// sever bottommost line
		770	{
		771	line_t &l = ROW(row2);
		772	l.is_longer (0);
		773	l.touch ();
		774	}
749	}	775	}
750		776
751	return count;	777	return count;
752	}	778	}
753		779
754	/* ------------------------------------------------------------------------- */	780	/* ------------------------------------------------------------------------- */
755	/*	781	/*
756	* Add text given in <str> of length <len> to screen struct	782	* Add text given in <str> of length <len> to screen struct
757	*/	783	*/
758	void	784	void ecb_hot
759	rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW	785	rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
760	{	786	{
761	if (len <= 0) /* sanity */	787	if (len <= 0) /* sanity */
762	return;	788	return;
763		789
764	unsigned char checksel;	790	bool checksel;
765	unicode_t c;	791	unicode_t c;
766	int ncol = this->ncol;	792	int ncol = this->ncol;
767	const wchar_t *strend = str + len;	793	const wchar_t *strend = str + len;
768		794
769	want_refresh = 1;	795	want_refresh = 1;
…		…
795		821
796	while (str < strend)	822	while (str < strend)
797	{	823	{
798	c = (unicode_t)*str++; // convert to rxvt-unicodes representation	824	c = (unicode_t)*str++; // convert to rxvt-unicodes representation
799		825
800	if (expect_false (c < 0x20))	826	if (ecb_unlikely (c < 0x20))
801	if (c == C0_LF)	827	if (c == C0_LF)
802	{	828	{
803	max_it (line->l, screen.cur.col);	829	max_it (line->l, screen.cur.col);
804		830
805	screen.flags &= ~Screen_WrapNext;	831	screen.flags &= ~Screen_WrapNext;
…		…
824	{	850	{
825	scr_tab (1, true);	851	scr_tab (1, true);
826	continue;	852	continue;
827	}	853	}
828		854
829	if (expect_false (	855	if (ecb_unlikely (
830	checksel /* see if we're writing within selection */	856	checksel /* see if we're writing within selection */
831	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)	857	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
832	&& ROWCOL_IS_BEFORE (screen.cur, selection.end)	858	&& ROWCOL_IS_BEFORE (screen.cur, selection.end)
833	))	859	))
834	{	860	{
…		…
839	* should be a similar check.	865	* should be a similar check.
840	*/	866	*/
841	CLEAR_SELECTION ();	867	CLEAR_SELECTION ();
842	}	868	}
843		869
844	if (expect_false (screen.flags & Screen_WrapNext))	870	if (ecb_unlikely (screen.flags & Screen_WrapNext))
845	{	871	{
846	scr_do_wrap ();	872	scr_do_wrap ();
847		873
848	line->l = ncol;	874	line->l = ncol;
849	line->is_longer (1);	875	line->is_longer (1);
…		…
851	row = screen.cur.row;	877	row = screen.cur.row;
852	line = &ROW(row); /* _must_ refresh */	878	line = &ROW(row); /* _must_ refresh */
853	}	879	}
854		880
855	// some utf-8 decoders "decode" surrogate characters: let's fix this.	881	// some utf-8 decoders "decode" surrogate characters: let's fix this.
856	if (expect_false (IN_RANGE_INC (c, 0xd800, 0xdfff)))	882	if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
857	c = 0xfffd;	883	c = 0xfffd;
858		884
859	// rely on wcwidth to tell us the character width, do wcwidth before	885	// rely on wcwidth to tell us the character width, do wcwidth before
860	// further replacements, as wcwidth might return -1 for the line	886	// further replacements, as wcwidth might return -1 for the line
861	// drawing characters below as they might be invalid in the current	887	// drawing characters below as they might be invalid in the current
862	// locale.	888	// locale.
863	int width = WCWIDTH (c);	889	int width = WCWIDTH (c);
864		890
865	if (expect_false (charsets [screen.charset] == '0')) // DEC SPECIAL	891	if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
866	{	892	{
867	// vt100 special graphics and line drawing	893	// vt100 special graphics and line drawing
868	// 5f-7e standard vt100	894	// 5f-7e standard vt100
869	// 40-5e rxvt extension for extra curses acs chars	895	// 40-5e rxvt extension for extra curses acs chars
870	static uint16_t vt100_0[62] = { // 41 .. 7e	896	static uint16_t vt100_0[62] = { // 41 .. 7e
…		…
883	c = vt100_0[c - 0x41];	909	c = vt100_0[c - 0x41];
884	width = 1; // vt100 line drawing characters are always single-width	910	width = 1; // vt100 line drawing characters are always single-width
885	}	911	}
886	}	912	}
887		913
888	if (expect_false (screen.flags & Screen_Insert))	914	if (ecb_unlikely (screen.flags & Screen_Insert))
889	scr_insdel_chars (width, INSERT);	915	scr_insdel_chars (width, INSERT);
890		916
891	if (width != 0)	917	if (width != 0)
892	{	918	{
893	#if !UNICODE_3	919	#if !UNICODE_3
…		…
898	# else	924	# else
899	c = 0xfffd;	925	c = 0xfffd;
900	# endif	926	# endif
901	#endif	927	#endif
902		928
903	// nuke the character at this position, if required
904	if (expect_false (
905	line->t[screen.cur.col] == NOCHAR
906	|| (screen.cur.col < ncol - 1
907	&& line->t[screen.cur.col + 1] == NOCHAR)
908	))
909	scr_kill_char (*line, screen.cur.col);
910
911	rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));	929	rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
912		930
913	// if the character doesn't fit into the remaining columns...	931	// if the character doesn't fit into the remaining columns...
914	if (expect_false (screen.cur.col > ncol - width && ncol >= width))	932	if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
915	{	933	{
916	if (screen.flags & Screen_Autowrap)	934	if (screen.flags & Screen_Autowrap)
917	{	935	{
918	// ... artificially enlargen the previous one	936	// ... artificially enlargen the previous one
919	c = NOCHAR;	937	c = NOCHAR;
…		…
922	}	940	}
923	else	941	else
924	screen.cur.col = ncol - width;	942	screen.cur.col = ncol - width;
925	}	943	}
926		944
		945	// nuke the character at this position, if required
		946	// due to wonderful coincidences everywhere else in this loop
		947	// we never have to check for overwriting a wide char itself,
		948	// only its tail.
		949	if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
		950	scr_kill_char (*line, screen.cur.col);
		951
927	line->touch ();	952	line->touch ();
928		953
929	do	954	do
930	{	955	{
931	line->t[screen.cur.col] = c;	956	line->t[screen.cur.col] = c;
932	line->r[screen.cur.col] = rend;	957	line->r[screen.cur.col] = rend;
933		958
934	if (expect_true (screen.cur.col < ncol - 1))	959	if (ecb_likely (screen.cur.col < ncol - 1))
935	screen.cur.col++;	960	screen.cur.col++;
936	else	961	else
937	{	962	{
938	line->l = ncol;	963	line->l = ncol;
939	if (screen.flags & Screen_Autowrap)	964	if (screen.flags & Screen_Autowrap)
940	screen.flags |= Screen_WrapNext;	965	screen.flags |= Screen_WrapNext;
941	break;	966
		967	goto end_of_line;
942	}	968	}
943		969
944	c = NOCHAR;	970	c = NOCHAR;
945	}	971	}
946	while (expect_false (--width > 0));	972	while (ecb_unlikely (--width > 0));
947		973
948	// pad with spaces when overwriting wide character with smaller one	974	// pad with spaces when overwriting wide character with smaller one
949	if (expect_false (!width))	975	for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
950	{	976	{
951	line->touch ();
952
953	for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)
954	{
955	line->t[c] = ' ';	977	line->t[c] = ' ';
956	line->r[c] = rend;	978	line->r[c] = rend;
957	}
958	}	979	}
		980
		981	end_of_line:
		982	;
959	}	983	}
960	#if ENABLE_COMBINING	984	#if ENABLE_COMBINING
961	else // width == 0	985	else // width == 0
962	{	986	{
963	if (c != 0xfeff) // ignore BOM	987	if (c != 0xfeff) // ignore BOM
…		…
1026		1050
1027	want_refresh = 1;	1051	want_refresh = 1;
1028	#endif	1052	#endif
1029	}	1053	}
1030	}	1054	}
		1055	else if (screen.flags & Screen_WrapNext)
		1056	screen.flags &= ~Screen_WrapNext;
1031	else	1057	else
1032	scr_gotorc (0, -1, RELATIVE);	1058	scr_gotorc (0, -1, RELATIVE);
1033	}	1059	}
1034		1060
1035	/* ------------------------------------------------------------------------- */	1061	/* ------------------------------------------------------------------------- */
…		…
1113	* XTERM_SEQ: ESC 6	1139	* XTERM_SEQ: ESC 6
1114	* Move cursor left in row. If we're at the left boundary, shift everything	1140	* Move cursor left in row. If we're at the left boundary, shift everything
1115	* in that row right. Clear left column.	1141	* in that row right. Clear left column.
1116	*/	1142	*/
1117	#if !ENABLE_MINIMAL	1143	#if !ENABLE_MINIMAL
1118	void	1144	void ecb_cold
1119	rxvt_term::scr_backindex () NOTHROW	1145	rxvt_term::scr_backindex () NOTHROW
1120	{	1146	{
1121	if (screen.cur.col > 0)	1147	if (screen.cur.col > 0)
1122	scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);	1148	scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1123	else	1149	else
…		…
1130	* XTERM_SEQ: ESC 9	1156	* XTERM_SEQ: ESC 9
1131	* Move cursor right in row. If we're at the right boundary, shift everything	1157	* Move cursor right in row. If we're at the right boundary, shift everything
1132	* in that row left. Clear right column.	1158	* in that row left. Clear right column.
1133	*/	1159	*/
1134	#if !ENABLE_MINIMAL	1160	#if !ENABLE_MINIMAL
1135	void	1161	void ecb_cold
1136	rxvt_term::scr_forwardindex () NOTHROW	1162	rxvt_term::scr_forwardindex () NOTHROW
1137	{	1163	{
1138	if (screen.cur.col < ncol - 1)	1164	if (screen.cur.col < ncol - 1)
1139	scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);	1165	scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1140	else	1166	else
…		…
1291	scr_blank_line (line, col, num, rstyle);	1317	scr_blank_line (line, col, num, rstyle);
1292	}	1318	}
1293		1319
1294	/* ------------------------------------------------------------------------- */	1320	/* ------------------------------------------------------------------------- */
1295	/*	1321	/*
1296	* Erase part of whole of the screen	1322	* Erase part or whole of the screen
1297	* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J	1323	* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1298	* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J	1324	* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1299	* XTERM_SEQ: Clear whole screen : ESC [ 2 J	1325	* XTERM_SEQ: Clear whole screen : ESC [ 2 J
1300	*/	1326	*/
1301	void	1327	void
…		…
1310	ZERO_SCROLLBACK ();	1336	ZERO_SCROLLBACK ();
1311		1337
1312	switch (mode)	1338	switch (mode)
1313	{	1339	{
1314	case 0: /* erase to end of screen */	1340	case 0: /* erase to end of screen */
1315	selection_check (1);
1316	scr_erase_line (0);	1341	scr_erase_line (0);
1317	row = screen.cur.row + 1; /* possible OOB */	1342	row = screen.cur.row + 1; /* possible OOB */
1318	num = nrow - row;	1343	num = nrow - row;
1319	break;	1344	break;
1320	case 1: /* erase to beginning of screen */	1345	case 1: /* erase to beginning of screen */
1321	selection_check (3);
1322	scr_erase_line (1);	1346	scr_erase_line (1);
1323	row = 0;	1347	row = 0;
1324	num = screen.cur.row;	1348	num = screen.cur.row;
1325	break;	1349	break;
1326	case 2: /* erase whole screen */	1350	case 2: /* erase whole screen */
1327	selection_check (3);
1328	row = 0;	1351	row = 0;
1329	num = nrow;	1352	num = nrow;
1330	break;	1353	break;
1331	default:	1354	default:
1332	return;	1355	return;
…		…
1349	{	1372	{
1350	ren = DEFAULT_RSTYLE;	1373	ren = DEFAULT_RSTYLE;
1351		1374
1352	if (mapped)	1375	if (mapped)
1353	XClearArea (dpy, vt, 0,	1376	XClearArea (dpy, vt, 0,
1354	Row2Pixel (row - view_start), (unsigned int)width,	1377	Row2Pixel (row - view_start), (unsigned int)vt_width,
1355	(unsigned int)Height2Pixel (num), False);	1378	(unsigned int)Height2Pixel (num), False);
1356	}	1379	}
1357	else	1380	else
1358	{	1381	{
1359	ren = rstyle & (RS_fgMask | RS_bgMask);	1382	ren = rstyle & (RS_fgMask | RS_bgMask);
…		…
1362	{	1385	{
1363	gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];	1386	gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1364	XChangeGC (dpy, gc, GCForeground, &gcvalue);	1387	XChangeGC (dpy, gc, GCForeground, &gcvalue);
1365	XFillRectangle (dpy, vt, gc,	1388	XFillRectangle (dpy, vt, gc,
1366	0, Row2Pixel (row - view_start),	1389	0, Row2Pixel (row - view_start),
1367	(unsigned int)width,	1390	(unsigned int)vt_width,
1368	(unsigned int)Height2Pixel (num));	1391	(unsigned int)Height2Pixel (num));
1369	gcvalue.foreground = pix_colors[Color_fg];	1392	gcvalue.foreground = pix_colors[Color_fg];
1370	XChangeGC (dpy, gc, GCForeground, &gcvalue);	1393	XChangeGC (dpy, gc, GCForeground, &gcvalue);
1371	}	1394	}
1372	}	1395	}
…		…
1394	/* ------------------------------------------------------------------------- */	1417	/* ------------------------------------------------------------------------- */
1395	/*	1418	/*
1396	* Fill the screen with `E's	1419	* Fill the screen with `E's
1397	* XTERM_SEQ: Screen Alignment Test: ESC # 8	1420	* XTERM_SEQ: Screen Alignment Test: ESC # 8
1398	*/	1421	*/
1399	void	1422	void ecb_cold
1400	rxvt_term::scr_E () NOTHROW	1423	rxvt_term::scr_E () NOTHROW
1401	{	1424	{
1402	rend_t fs;	1425	rend_t fs;
1403		1426
1404	want_refresh = 1;	1427	want_refresh = 1;
1405	ZERO_SCROLLBACK ();	1428	ZERO_SCROLLBACK ();
1406		1429
1407	num_scr_allow = 0;	1430	num_scr_allow = 0;
1408	selection_check (3);	1431
		1432	row_col_t pos;
		1433	pos.row = pos.col = 0;
		1434	if (ROWCOL_IS_AFTER (selection.end, pos))
		1435	CLEAR_SELECTION ();
1409		1436
1410	fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));	1437	fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1411	for (int row = nrow; row--; )	1438	for (int row = nrow; row--; )
1412	{	1439	{
1413	line_t &line = ROW(row);	1440	line_t &line = ROW(row);
…		…
1564	/* ------------------------------------------------------------------------- */	1591	/* ------------------------------------------------------------------------- */
1565	/*	1592	/*
1566	* Set the scrolling region	1593	* Set the scrolling region
1567	* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r	1594	* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1568	*/	1595	*/
1569	void	1596	void ecb_cold
1570	rxvt_term::scr_scroll_region (int top, int bot) NOTHROW	1597	rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1571	{	1598	{
1572	max_it (top, 0);	1599	max_it (top, 0);
1573	min_it (bot, nrow - 1);	1600	min_it (bot, nrow - 1);
1574		1601
…		…
1584	/*	1611	/*
1585	* Make the cursor visible/invisible	1612	* Make the cursor visible/invisible
1586	* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h	1613	* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1587	* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l	1614	* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1588	*/	1615	*/
1589	void	1616	void ecb_cold
1590	rxvt_term::scr_cursor_visible (int mode) NOTHROW	1617	rxvt_term::scr_cursor_visible (int mode) NOTHROW
1591	{	1618	{
1592	want_refresh = 1;	1619	want_refresh = 1;
1593		1620
1594	if (mode)	1621	if (mode)
…		…
1601	/*	1628	/*
1602	* Set/unset automatic wrapping	1629	* Set/unset automatic wrapping
1603	* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h	1630	* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1604	* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l	1631	* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1605	*/	1632	*/
1606	void	1633	void ecb_cold
1607	rxvt_term::scr_autowrap (int mode) NOTHROW	1634	rxvt_term::scr_autowrap (int mode) NOTHROW
1608	{	1635	{
1609	if (mode)	1636	if (mode)
1610	screen.flags |= Screen_Autowrap;	1637	screen.flags |= Screen_Autowrap;
1611	else	1638	else
…		…
1620	* Relative mode: line numbers are relative to top margin of scrolling region	1647	* Relative mode: line numbers are relative to top margin of scrolling region
1621	* and the cursor cannot be moved outside.	1648	* and the cursor cannot be moved outside.
1622	* XTERM_SEQ: Set Absolute: ESC [ ? 6 h	1649	* XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1623	* XTERM_SEQ: Set Relative: ESC [ ? 6 l	1650	* XTERM_SEQ: Set Relative: ESC [ ? 6 l
1624	*/	1651	*/
1625	void	1652	void ecb_cold
1626	rxvt_term::scr_relative_origin (int mode) NOTHROW	1653	rxvt_term::scr_relative_origin (int mode) NOTHROW
1627	{	1654	{
1628	if (mode)	1655	if (mode)
1629	screen.flags |= Screen_Relative;	1656	screen.flags |= Screen_Relative;
1630	else	1657	else
…		…
1637	/*	1664	/*
1638	* Set insert/replace mode	1665	* Set insert/replace mode
1639	* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h	1666	* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1640	* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l	1667	* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1641	*/	1668	*/
1642	void	1669	void ecb_cold
1643	rxvt_term::scr_insert_mode (int mode) NOTHROW	1670	rxvt_term::scr_insert_mode (int mode) NOTHROW
1644	{	1671	{
1645	if (mode)	1672	if (mode)
1646	screen.flags |= Screen_Insert;	1673	screen.flags |= Screen_Insert;
1647	else	1674	else
…		…
1653	* Set/Unset tabs	1680	* Set/Unset tabs
1654	* XTERM_SEQ: Set tab at current column : ESC H	1681	* XTERM_SEQ: Set tab at current column : ESC H
1655	* XTERM_SEQ: Clear tab at current column: ESC [ 0 g	1682	* XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1656	* XTERM_SEQ: Clear all tabs : ESC [ 3 g	1683	* XTERM_SEQ: Clear all tabs : ESC [ 3 g
1657	*/	1684	*/
1658	void	1685	void ecb_cold
1659	rxvt_term::scr_set_tab (int mode) NOTHROW	1686	rxvt_term::scr_set_tab (int mode) NOTHROW
1660	{	1687	{
1661	if (mode < 0)	1688	if (mode < 0)
1662	memset (tabs, 0, ncol);	1689	memset (tabs, 0, ncol);
1663	else if (screen.cur.col < ncol)	1690	else if (screen.cur.col < ncol)
…		…
1682	if (rvideo_state != on)	1709	if (rvideo_state != on)
1683	{	1710	{
1684	rvideo_state = on;	1711	rvideo_state = on;
1685		1712
1686	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);	1713	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1687	#ifdef HAVE_BG_PIXMAP	1714	#ifdef HAVE_IMG
1688	if (bgPixmap.pixmap == None)	1715	if (bg_img == 0)
1689	#endif	1716	#endif
1690	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);	1717	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1691		1718
1692	XGCValues gcvalue;	1719	XGCValues gcvalue;
1693	gcvalue.foreground = pix_colors[Color_fg];	1720	gcvalue.foreground = pix_colors[Color_fg];
…		…
1702	/* ------------------------------------------------------------------------- */	1729	/* ------------------------------------------------------------------------- */
1703	/*	1730	/*
1704	* Report current cursor position	1731	* Report current cursor position
1705	* XTERM_SEQ: Report position: ESC [ 6 n	1732	* XTERM_SEQ: Report position: ESC [ 6 n
1706	*/	1733	*/
1707	void	1734	void ecb_cold
1708	rxvt_term::scr_report_position () NOTHROW	1735	rxvt_term::scr_report_position () NOTHROW
1709	{	1736	{
1710	tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);	1737	tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1711	}	1738	}
1712		1739
…		…
1715	* ------------------------------------------------------------------------- */	1742	* ------------------------------------------------------------------------- */
1716		1743
1717	/*	1744	/*
1718	* Set font style	1745	* Set font style
1719	*/	1746	*/
1720	void	1747	void ecb_cold
1721	rxvt_term::set_font_style () NOTHROW	1748	rxvt_term::set_font_style () NOTHROW
1722	{	1749	{
1723	#if 0	1750	#if 0
1724	switch (charsets [screen.charset])	1751	switch (charsets [screen.charset])
1725	{	1752	{
…		…
1747	* XTERM_SEQ: Invoke G0 character set: CTRL-O	1774	* XTERM_SEQ: Invoke G0 character set: CTRL-O
1748	* XTERM_SEQ: Invoke G1 character set: CTRL-N	1775	* XTERM_SEQ: Invoke G1 character set: CTRL-N
1749	* XTERM_SEQ: Invoke G2 character set: ESC N	1776	* XTERM_SEQ: Invoke G2 character set: ESC N
1750	* XTERM_SEQ: Invoke G3 character set: ESC O	1777	* XTERM_SEQ: Invoke G3 character set: ESC O
1751	*/	1778	*/
1752	void	1779	void ecb_cold
1753	rxvt_term::scr_charset_choose (int set) NOTHROW	1780	rxvt_term::scr_charset_choose (int set) NOTHROW
1754	{	1781	{
1755	screen.charset = set;	1782	screen.charset = set;
1756	set_font_style ();	1783	set_font_style ();
1757	}	1784	}
…		…
1778	* ------------------------------------------------------------------------- */	1805	* ------------------------------------------------------------------------- */
1779		1806
1780	/*	1807	/*
1781	* refresh matching text.	1808	* refresh matching text.
1782	*/	1809	*/
1783	bool	1810	bool ecb_cold
1784	rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW	1811	rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1785	{	1812	{
1786	bool found = false;	1813	bool found = false;
1787		1814
1788	for (int i = 0; i < nrow; i++)	1815	for (int i = 0; i < nrow; i++)
…		…
1807	PART_BEG = 0,	1834	PART_BEG = 0,
1808	PART_END,	1835	PART_END,
1809	RC_COUNT	1836	RC_COUNT
1810	};	1837	};
1811		1838
1812	void	1839	void ecb_hot
1813	rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW	1840	rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1814	{	1841	{
1815	int i;	1842	int i;
1816	row_col_t rc[RC_COUNT];	1843	row_col_t rc[RC_COUNT];
1817		1844
…		…
1854	* Refresh the entire screen	1881	* Refresh the entire screen
1855	*/	1882	*/
1856	void	1883	void
1857	rxvt_term::scr_touch (bool refresh) NOTHROW	1884	rxvt_term::scr_touch (bool refresh) NOTHROW
1858	{	1885	{
1859	scr_expose (0, 0, width, height, refresh);	1886	scr_expose (0, 0, vt_width, vt_height, refresh);
1860	}	1887	}
1861		1888
1862	/* ------------------------------------------------------------------------- */	1889	/* ------------------------------------------------------------------------- */
1863	/*	1890	/*
1864	* Move the display so that the line represented by scrollbar value Y is at	1891	* Move the display so that the line represented by scrollbar value Y is at
…		…
1920		1947
1921	# ifndef NO_MAPALERT	1948	# ifndef NO_MAPALERT
1922	# ifdef MAPALERT_OPTION	1949	# ifdef MAPALERT_OPTION
1923	if (option (Opt_mapAlert))	1950	if (option (Opt_mapAlert))
1924	# endif	1951	# endif
1925	XMapWindow (dpy, parent[0]);	1952	XMapWindow (dpy, parent);
1926	# endif	1953	# endif
1927		1954
1928	# if ENABLE_FRILLS	1955	# if ENABLE_FRILLS
1929	if (option (Opt_urgentOnBell))	1956	if (option (Opt_urgentOnBell))
1930	set_urgency (1);	1957	set_urgency (1);
…		…
1943	HOOK_INVOKE ((this, HOOK_BELL, DT_END));	1970	HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1944	#endif	1971	#endif
1945	}	1972	}
1946		1973
1947	/* ------------------------------------------------------------------------- */	1974	/* ------------------------------------------------------------------------- */
1948	/* ARGSUSED */	1975	void ecb_cold
1949	void
1950	rxvt_term::scr_printscreen (int fullhist) NOTHROW	1976	rxvt_term::scr_printscreen (int fullhist) NOTHROW
1951	{	1977	{
1952	#ifdef PRINTPIPE	1978	#ifdef PRINTPIPE
1953	int nrows, row_start;	1979	int nrows, row_start;
1954	FILE *fd = popen_printer ();	1980	FILE *fd = popen_printer ();
…		…
2003	/*	2029	/*
2004	* Refresh the screen	2030	* Refresh the screen
2005	* drawn_text/drawn_rend contain the screen information before the update.	2031	* drawn_text/drawn_rend contain the screen information before the update.
2006	* screen.text/screen.rend contain what the screen will change to.	2032	* screen.text/screen.rend contain what the screen will change to.
2007	*/	2033	*/
2008	void	2034	void ecb_hot
2009	rxvt_term::scr_refresh () NOTHROW	2035	rxvt_term::scr_refresh () NOTHROW
2010	{	2036	{
2011	int16_t col, row, /* column/row we're processing */	2037	int16_t col, row, /* column/row we're processing */
2012	ocrow; /* old cursor row */	2038	ocrow; /* old cursor row */
2013	int i; /* tmp */	2039	int i; /* tmp */
…		…
2027	* A: set up vars	2053	* A: set up vars
2028	*/	2054	*/
2029	refresh_count = 0;	2055	refresh_count = 0;
2030		2056
2031	unsigned int old_screen_flags = screen.flags;	2057	unsigned int old_screen_flags = screen.flags;
2032	char have_bg = 0;	2058	bool have_bg = 0;
2033	#ifdef HAVE_BG_PIXMAP	2059	#ifdef HAVE_IMG
2034	have_bg = bgPixmap.pixmap != None;	2060	have_bg = bg_img != 0;
2035	#endif	2061	#endif
2036	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */	2062	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2037		2063
2038	/*	2064	/*
2039	* B: reverse any characters which are selected	2065	* B: reverse any characters which are selected
…		…
2043	HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));	2069	HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2044	#if ENABLE_OVERLAY	2070	#if ENABLE_OVERLAY
2045	scr_swap_overlay ();	2071	scr_swap_overlay ();
2046	#endif	2072	#endif
2047		2073
2048	char showcursor = screen.flags & Screen_VisibleCursor;	2074	bool showcursor = screen.flags & Screen_VisibleCursor;
2049		2075
2050	/*	2076	/*
2051	* C: set the cursor character (s)	2077	* C: set the cursor character (s)
2052	*/	2078	*/
2053	{	2079	{
2054	unsigned char setoldcursor;	2080	bool setoldcursor;
2055		2081
2056	#ifdef CURSOR_BLINK	2082	#ifdef CURSOR_BLINK
2057	if (hidden_cursor)	2083	if (hidden_cursor)
2058	showcursor = 0;	2084	showcursor = 0;
2059	#endif	2085	#endif
…		…
2146	{	2172	{
2147	int16_t nits;	2173	int16_t nits;
2148	int i = num_scr;	2174	int i = num_scr;
2149	int j;	2175	int j;
2150	int len, wlen;	2176	int len, wlen;
2151	dLocal (int, num_scr);
2152		2177
2153	j = nrow;	2178	j = nrow;
2154	wlen = len = -1;	2179	wlen = len = -1;
2155	row = i > 0 ? 0 : j - 1;	2180	row = i > 0 ? 0 : j - 1;
2156		2181
…		…
2231	continue;	2256	continue;
2232		2257
2233	// redraw one or more characters	2258	// redraw one or more characters
2234		2259
2235	// seek to the beginning of wide characters	2260	// seek to the beginning of wide characters
2236	while (expect_false (stp[col] == NOCHAR && col > 0))	2261	while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2237	--col;	2262	--col;
2238		2263
2239	rend_t rend = srp[col]; /* screen rendition (target rendition) */	2264	rend_t rend = srp[col]; /* screen rendition (target rendition) */
2240	text_t *text = stp + col;	2265	text_t *text = stp + col;
2241	int count = 1;	2266	int count = 1;
…		…
2279		2304
2280	col--; /* went one too far. move back */	2305	col--; /* went one too far. move back */
2281	count -= i; /* dump any matching trailing chars */	2306	count -= i; /* dump any matching trailing chars */
2282		2307
2283	// sometimes we optimize away the trailing NOCHAR's, add them back	2308	// sometimes we optimize away the trailing NOCHAR's, add them back
2284	while (expect_false (i && text[count] == NOCHAR))	2309	while (ecb_unlikely (i && text[count] == NOCHAR))
2285	count++, i--;	2310	count++, i--;
2286		2311
2287	/*	2312	/*
2288	* Determine the attributes for the string	2313	* Determine the attributes for the string
2289	*/	2314	*/
2290	int fore = fgcolor_of (rend); // desired foreground	2315	int fore = fgcolor_of (rend); // desired foreground
2291	int back = bgcolor_of (rend); // desired background	2316	int back = bgcolor_of (rend); // desired background
2292		2317
2293	// only do special processing if any attributes are set, which is unlikely	2318	// only do special processing if any attributes are set, which is unlikely
2294	if (expect_false (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))	2319	if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2295	{	2320	{
2296	bool invert = rend & RS_RVid;	2321	bool invert = rend & RS_RVid;
2297		2322
2298	#ifndef NO_BOLD_UNDERLINE_REVERSE	2323	#ifndef NO_BOLD_UNDERLINE_REVERSE
2299	if (rend & RS_Bold && fore == Color_fg)	2324	if (rend & RS_Bold && fore == Color_fg)
…		…
2388	/*	2413	/*
2389	* Actually do the drawing of the string here	2414	* Actually do the drawing of the string here
2390	*/	2415	*/
2391	rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];	2416	rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2392		2417
2393	if (expect_true (have_bg && back == Color_bg))	2418	if (ecb_likely (have_bg && back == Color_bg))
2394	{	2419	{
2395	// this is very ugly, maybe push it into ->draw?	2420	// this is very ugly, maybe push it into ->draw?
2396		2421
2397	for (i = 0; i < count; i++) /* don't draw empty strings */	2422	for (i = 0; i < count; i++) /* don't draw empty strings */
2398	if (text[i] != ' ')	2423	if (text[i] != ' ')
…		…
2405	did_clear: ;	2430	did_clear: ;
2406	}	2431	}
2407	else	2432	else
2408	font->draw (*drawable, xpixel, ypixel, text, count, fore, back);	2433	font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2409		2434
2410	if (expect_false (rend & RS_Uline && font->descent > 1 && fore != back))	2435	if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2411	{	2436	{
2412	#if ENABLE_FRILLS	2437	#if ENABLE_FRILLS
2413	if (ISSET_PIXCOLOR (Color_underline))	2438	if (ISSET_PIXCOLOR (Color_underline))
2414	XSetForeground (dpy, gc, pix_colors[Color_underline]);	2439	XSetForeground (dpy, gc, pix_colors[Color_underline]);
2415	else	2440	else
…		…
2461		2486
2462	XDrawRectangle (dpy, vt, gc,	2487	XDrawRectangle (dpy, vt, gc,
2463	Col2Pixel (col),	2488	Col2Pixel (col),
2464	Row2Pixel (oldcursor.row),	2489	Row2Pixel (oldcursor.row),
2465	(unsigned int) (Width2Pixel (cursorwidth) - 1),	2490	(unsigned int) (Width2Pixel (cursorwidth) - 1),
2466	(unsigned int) (Height2Pixel (1) - lineSpace - 1));	2491	(unsigned int) (Height2Pixel (1) - 1));
2467	}	2492	}
2468	}	2493	}
2469		2494
2470	/*	2495	/*
2471	* H: cleanup selection	2496	* H: cleanup selection
…		…
2480	screen.flags = old_screen_flags;	2505	screen.flags = old_screen_flags;
2481	num_scr = 0;	2506	num_scr = 0;
2482	num_scr_allow = 1;	2507	num_scr_allow = 1;
2483	}	2508	}
2484		2509
2485	void	2510	void ecb_cold
2486	rxvt_term::scr_remap_chars (line_t &l) NOTHROW	2511	rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2487	{	2512	{
2488	if (!l.t)	2513	if (!l.valid ())
2489	return;	2514	return;
2490		2515
2491	l.touch (); // maybe a bit of an overkill, but it's not performance-relevant	2516	l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2492		2517
2493	for (int i = ncol; i--; )	2518	for (int i = ncol; i--; )
2494	l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));	2519	l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2495	}	2520	}
2496		2521
2497	void	2522	void ecb_cold
2498	rxvt_term::scr_remap_chars () NOTHROW	2523	rxvt_term::scr_remap_chars () NOTHROW
2499	{	2524	{
2500	for (int i = total_rows; i--; )	2525	for (int i = total_rows; i--; )
2501	scr_remap_chars (row_buf [i]);	2526	scr_remap_chars (row_buf [i]);
2502		2527
…		…
2505	scr_remap_chars (drawn_buf [i]);	2530	scr_remap_chars (drawn_buf [i]);
2506	scr_remap_chars (swap_buf [i]);	2531	scr_remap_chars (swap_buf [i]);
2507	}	2532	}
2508	}	2533	}
2509		2534
2510	void	2535	void ecb_cold
2511	rxvt_term::scr_recolour () NOTHROW	2536	rxvt_term::scr_recolour (bool refresh) NOTHROW
2512	{	2537	{
2513	#ifdef HAVE_BG_PIXMAP	2538	bool transparent = false;
2514	bgPixmap.apply ();
2515	#else
2516		2539
		2540	#ifdef HAVE_IMG
		2541	if (bg_img != 0)
		2542	{
		2543	# if ENABLE_TRANSPARENCY
		2544	if (bg_flags & BG_IS_TRANSPARENT)
		2545	{
		2546	XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
		2547	XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
		2548
		2549	transparent = true;
		2550	}
		2551	else
		2552	# endif
		2553	{
		2554	XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
		2555	XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
		2556	}
		2557	}
		2558	else
		2559	#endif
		2560	{
2517	XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]);	2561	XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2518	XClearWindow (dpy, parent[0]);
2519	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);	2562	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
		2563	}
		2564
		2565	XClearWindow (dpy, parent);
2520		2566
2521	if (scrollBar.win)	2567	if (scrollBar.win)
2522	{	2568	{
		2569	if (transparent)
		2570	XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
		2571	else
2523	XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);	2572	XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2524	scrollBar.state = STATE_IDLE;	2573	scrollBar.state = SB_STATE_IDLE;
2525	scrollBar.show (0);	2574	scrollBar.show (0);
2526	}	2575	}
2527		2576
2528	#endif	2577	if (refresh)
2529		2578	{
2530	/* bgPixmap.apply () does not do the following : */
2531	scr_clear ();	2579	scr_clear ();
2532	scr_touch (true);	2580	scr_touch (true);
		2581	}
2533	want_refresh = 1;	2582	want_refresh = 1;
2534	}	2583	}
2535		2584
2536	/* ------------------------------------------------------------------------- */	2585	/* ------------------------------------------------------------------------- */
2537	void	2586	void
…		…
2594	for (rend_t *srp = ROW(row).r; col < end_col; col++)	2643	for (rend_t *srp = ROW(row).r; col < end_col; col++)
2595	srp[col] ^= rstyle;	2644	srp[col] ^= rstyle;
2596	}	2645	}
2597		2646
2598	/* ------------------------------------------------------------------------- */	2647	/* ------------------------------------------------------------------------- */
2599	void	2648	void ecb_hot
2600	rxvt_term::scr_reverse_selection () NOTHROW	2649	rxvt_term::scr_reverse_selection () NOTHROW
2601	{	2650	{
2602	if (selection.op	2651	if (selection.op
2603	&& current_screen == selection.screen	2652	&& current_screen == selection.screen
2604	&& selection.end.row >= view_start)	2653	&& selection.end.row >= view_start)
…		…
2623	*/	2672	*/
2624	#if 0	2673	#if 0
2625	void	2674	void
2626	rxvt_term::scr_dump (int fd) NOTHROW	2675	rxvt_term::scr_dump (int fd) NOTHROW
2627	{	2676	{
2628	int row, wrote;	2677	// if this method is needed, it can be implemented by factoring the
2629	unsigned int width, towrite;	2678	// relevant code in scr_printscreen
2630	char r1[] = "\n";
2631
2632	for (row = saveLines + top_row;
2633	row < saveLines + nrow - 1; row++)
2634	{
2635	width = row_buf[row].l >= 0 ? row_buf[row].l
2636	: ncol;
2637	for (towrite = width; towrite; towrite -= wrote)
2638	{
2639	wrote = write (fd, & (row_buf[row].t[width - towrite]),
2640	towrite);
2641	if (wrote < 0)
2642	return; /* XXX: death, no report */
2643	}
2644	if (row_buf[row].l >= 0)
2645	if (write (fd, r1, 1) <= 0)
2646	return; /* XXX: death, no report */
2647	}
2648	}	2679	}
2649	#endif	2680	#endif
2650		2681
2651	/* ------------------------------------------------------------------------- *	2682	/* ------------------------------------------------------------------------- *
2652	* CHARACTER SELECTION *	2683	* CHARACTER SELECTION *
2653	* ------------------------------------------------------------------------- */	2684	* ------------------------------------------------------------------------- */
2654	void	2685	void
2655	rxvt_term::selection_check (int check_more) NOTHROW	2686	rxvt_term::selection_check (int check_more) NOTHROW
2656	{	2687	{
2657	row_col_t pos;
2658
2659	if (!selection.op)	2688	if (!selection.op)
2660	return;	2689	return;
2661		2690
2662	pos.row = pos.col = 0;
2663	if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)	2691	if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2664	|| !IN_RANGE_EXC (selection.mark.row, top_row, nrow)	2692	|| !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2665	|| !IN_RANGE_EXC (selection.end.row, top_row, nrow)	2693	|| !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2666	|| (check_more == 1	2694	|| (check_more == 1
2667	&& current_screen == selection.screen	2695	&& current_screen == selection.screen
2668	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)	2696	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2669	&& ROWCOL_IS_BEFORE (screen.cur, selection.end))	2697	&& ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2670	|| (check_more == 2
2671	&& ROWCOL_IS_BEFORE (selection.beg, pos)
2672	&& ROWCOL_IS_AFTER (selection.end, pos))
2673	|| (check_more == 3
2674	&& ROWCOL_IS_AFTER (selection.end, pos))
2675	|| (check_more == 4 /* screen width change */
2676	&& (selection.beg.row != selection.end.row
2677	|| selection.end.col > ncol)))
2678	CLEAR_SELECTION ();	2698	CLEAR_ALL_SELECTION ();
2679	}	2699	}
2680		2700
2681	/* ------------------------------------------------------------------------- */	2701	/* ------------------------------------------------------------------------- */
2682	/*	2702	/*
2683	* Paste a selection direct to the command fd	2703	* Paste a selection direct to the command fd
…		…
2689	for (unsigned int i = 0; i < len; i++)	2709	for (unsigned int i = 0; i < len; i++)
2690	if (data[i] == C0_LF)	2710	if (data[i] == C0_LF)
2691	data[i] = C0_CR;	2711	data[i] = C0_CR;
2692		2712
2693	if (priv_modes & PrivMode_BracketPaste)	2713	if (priv_modes & PrivMode_BracketPaste)
2694	tt_printf ("\e[200~");	2714	tt_printf ("\x1b[200~");
2695		2715
2696	tt_write (data, len);	2716	tt_write (data, len);
2697		2717
2698	if (priv_modes & PrivMode_BracketPaste)	2718	if (priv_modes & PrivMode_BracketPaste)
2699	tt_printf ("\e[201~");	2719	tt_printf ("\x1b[201~");
2700	}	2720	}
2701		2721
2702	void	2722	void
2703	rxvt_term::paste (char *data, unsigned int len) NOTHROW	2723	rxvt_term::paste (char *data, unsigned int len) NOTHROW
2704	{	2724	{
…		…
2708	tt_paste (data, len);	2728	tt_paste (data, len);
2709	}	2729	}
2710		2730
2711	/* ------------------------------------------------------------------------- */	2731	/* ------------------------------------------------------------------------- */
2712	/*	2732	/*
2713	* Respond to a notification that a primary selection has been sent	2733	* Request PRIMARY, SECONDARY or CLIPBOARD selection.
2714	* EXT: SelectionNotify	2734	* if the requested selection has no owner or is empty CUT_BUFFER0 is used
2715	*/	2735	* as fallback
2716	void
2717	rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW
2718	{
2719	if (prop == None) /* check for failed XConvertSelection */
2720	{
2721	if ((selection_type & Sel_CompoundText))
2722	{
2723	int selnum = selection_type & Sel_whereMask;
2724
2725	selection_type = 0;
2726	if (selnum != Sel_direct)
2727	selection_request_other (XA_STRING, selnum);
2728	}
2729
2730	if ((selection_type & Sel_UTF8String))
2731	{
2732	int selnum = selection_type & Sel_whereMask;
2733
2734	selection_type = Sel_CompoundText;
2735	if (selnum != Sel_direct)
2736	selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2737	else
2738	selection_type = 0;
2739	}
2740
2741	return;
2742	}
2743
2744	unsigned long bytes_after;
2745	XTextProperty ct;
2746
2747	if (XGetWindowProperty (dpy, win, prop,
2748	0, PROP_SIZE / 4,
2749	delete_prop, AnyPropertyType,
2750	&ct.encoding, &ct.format,
2751	&ct.nitems, &bytes_after,
2752	&ct.value) != Success)
2753	{
2754	ct.value = 0;
2755	goto bailout;
2756	}
2757
2758	if (ct.encoding == None)
2759	goto bailout;
2760
2761	if (bytes_after)
2762	{
2763	// fetch and append remaining data
2764	XTextProperty ct2;
2765
2766	if (XGetWindowProperty (dpy, win, prop,
2767	ct.nitems / 4, (bytes_after + 3) / 4,
2768	delete_prop, AnyPropertyType,
2769	&ct2.encoding, &ct2.format,
2770	&ct2.nitems, &bytes_after,
2771	&ct2.value) != Success)
2772	goto bailout;
2773
2774	// realloc should be compatible to XFree, here, and elsewhere, too
2775	ct.value = (unsigned char *)realloc (ct.value, ct.nitems + ct2.nitems + 1);
2776	memcpy (ct.value + ct.nitems, ct2.value, ct2.nitems + 1);
2777	ct.nitems += ct2.nitems;
2778
2779	XFree (ct2.value);
2780	}
2781
2782	if (ct.value == 0)
2783	goto bailout;
2784
2785	if (ct.encoding == xa[XA_INCR])
2786	{
2787	// INCR selection, start handshake
2788	if (!delete_prop)
2789	XDeleteProperty (dpy, win, prop);
2790
2791	selection_wait = Sel_incr;
2792	incr_buf_fill = 0;
2793	incr_ev.start (10);
2794
2795	goto bailout;
2796	}
2797
2798	if (ct.nitems == 0)
2799	{
2800	if (selection_wait == Sel_incr)
2801	{
2802	XFree (ct.value);
2803
2804	// finally complete, now paste the whole thing
2805	selection_wait = Sel_normal;
2806	ct.value = (unsigned char *)incr_buf;
2807	ct.nitems = incr_buf_fill;
2808	incr_buf = 0;
2809	incr_buf_size = 0;
2810	incr_ev.stop ();
2811	}
2812	else
2813	{
2814	if (selection_wait == Sel_normal
2815	&& (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2816	{
2817	/*
2818	* pass through again trying CUT_BUFFER0 if we've come from
2819	* XConvertSelection () but nothing was presented
2820	*/
2821	selection_paste (display->root, XA_CUT_BUFFER0, False);
2822	}
2823
2824	goto bailout;
2825	}
2826	}
2827	else if (selection_wait == Sel_incr)
2828	{
2829	incr_ev.start (10);
2830
2831	while (incr_buf_fill + ct.nitems > incr_buf_size)
2832	{
2833	incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
2834	incr_buf = (char *)realloc (incr_buf, incr_buf_size);
2835	}
2836
2837	memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
2838	incr_buf_fill += ct.nitems;
2839
2840	goto bailout;
2841	}
2842
2843	char **cl;
2844	int cr;
2845
2846	#if !ENABLE_MINIMAL
2847	// xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
2848	// so recode it manually
2849	if (ct.encoding == xa[XA_UTF8_STRING])
2850	{
2851	wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2852	char *s = rxvt_wcstombs (w);
2853	free (w);
2854	// TODO: strlen == only the first element will be converted. well...
2855	paste (s, strlen (s));
2856	free (s);
2857	}
2858	else
2859	#endif
2860	if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
2861	&& cl)
2862	{
2863	for (int i = 0; i < cr; i++)
2864	paste (cl[i], strlen (cl[i]));
2865
2866	XFreeStringList (cl);
2867	}
2868	else
2869	paste ((char *)ct.value, ct.nitems); // paste raw
2870
2871	bailout:
2872	XFree (ct.value);
2873
2874	if (selection_wait == Sel_normal)
2875	selection_wait = Sel_none;
2876	}
2877
2878	void
2879	rxvt_term::incr_cb (ev::timer &w, int revents) NOTHROW
2880	{
2881	selection_wait = Sel_none;
2882
2883	incr_buf_size = 0;
2884	free (incr_buf);
2885
2886	rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2887	}
2888
2889	void
2890	rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2891	{
2892	if (prop == None || selection_wait != Sel_incr)
2893	return;
2894
2895	selection_paste (win, prop, true);
2896	}
2897
2898	/* ------------------------------------------------------------------------- */
2899	/*
2900	* Request the current selection:
2901	* Order: > internal selection if available
2902	* > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+)
2903	* > CUT_BUFFER0
2904	* (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2905	* will auto fallback to CUT_BUFFER0
2906	* EXT: button 2 release	2736	* EXT: button 2 release
2907	*/	2737	*/
2908	void	2738	void
2909	rxvt_term::selection_request (Time tm, int selnum) NOTHROW	2739	rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2910	{	2740	{
2911	if (selection.text && selnum == Sel_Primary)	2741	if (!selection_req)
2912	{
2913	/* internal selection */
2914	char *str = rxvt_wcstombs (selection.text, selection.len);
2915	paste (str, strlen (str));
2916	free (str);
2917	return;
2918	}	2742	{
2919	else	2743	selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
		2744	selection_req->run ();
2920	{	2745	}
2921	selection_request_time = tm;
2922	selection_wait = Sel_normal;
2923
2924	#if X_HAVE_UTF8_STRING
2925	selection_type = Sel_UTF8String;
2926	if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2927	return;
2928	#else
2929	selection_type = Sel_CompoundText;
2930	if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2931	return;
2932	#endif
2933	}
2934
2935	selection_wait = Sel_none; /* don't loop in selection_paste () */
2936	selection_paste (display->root, XA_CUT_BUFFER0, false);
2937	}
2938
2939	int
2940	rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2941	{
2942	Atom sel;
2943
2944	selection_type |= selnum;
2945
2946	if (selnum == Sel_Primary)
2947	sel = XA_PRIMARY;
2948	else if (selnum == Sel_Secondary)
2949	sel = XA_SECONDARY;
2950	else
2951	sel = xa[XA_CLIPBOARD];
2952
2953	if (XGetSelectionOwner (dpy, sel) != None)
2954	{
2955	XConvertSelection (dpy, sel, target, xa[XA_VT_SELECTION],
2956	vt, selection_request_time);
2957	return 1;
2958	}
2959
2960	return 0;
2961	}	2746	}
2962		2747
2963	/* ------------------------------------------------------------------------- */	2748	/* ------------------------------------------------------------------------- */
2964	/*	2749	/*
2965	* Clear all selected text	2750	* Clear all selected text
…		…
2996	* EXT: button 1 or 3 release	2781	* EXT: button 1 or 3 release
2997	*/	2782	*/
2998	void	2783	void
2999	rxvt_term::selection_make (Time tm)	2784	rxvt_term::selection_make (Time tm)
3000	{	2785	{
3001	int i;	2786	int size;
3002	wchar_t *new_selection_text;	2787	wchar_t *new_selection_text;
3003	text_t *t;	2788	text_t *t;
3004		2789
3005	switch (selection.op)	2790	switch (selection.op)
3006	{	2791	{
…		…
3022	return; /* nothing selected, go away */	2807	return; /* nothing selected, go away */
3023		2808
3024	if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))	2809	if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
3025	return;	2810	return;
3026		2811
3027	i = (selection.end.row - selection.beg.row + 1) * (ncol + 1);	2812	size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
3028	new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));	2813	new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
3029		2814
3030	int ofs = 0;	2815	int ofs = 0;
3031	int extra = 0;	2816	int extra = 0;
3032		2817
3033	int col = selection.beg.col;	2818	int col = selection.beg.col;
…		…
3039	{	2824	{
3040	#if !ENABLE_MINIMAL	2825	#if !ENABLE_MINIMAL
3041	if (selection.rect)	2826	if (selection.rect)
3042	{	2827	{
3043	col = selection.beg.col;	2828	col = selection.beg.col;
3044	end_col = ncol + 1;	2829	end_col = selection.end.col;
3045	}	2830	}
3046	else	2831	else
3047	#endif	2832	#endif
3048	end_col = ROW(row).l;	2833	end_col = ROW(row).l;
3049		2834
3050	col = max (col, 0);	2835	col = max (col, 0);
3051		2836
3052	if (row == selection.end.row	2837	if (row == selection.end.row)
3053	#if !ENABLE_MINIMAL
3054	|| selection.rect
3055	#endif
3056	)
3057	min_it (end_col, selection.end.col);	2838	min_it (end_col, selection.end.col);
3058		2839
3059	t = ROW(row).t + col;	2840	t = ROW(row).t + col;
3060		2841
3061	for (; col < end_col; col++)	2842	for (; col < end_col; col++)
…		…
3069		2850
3070	extra -= (len - 1);	2851	extra -= (len - 1);
3071		2852
3072	if (extra < 0)	2853	if (extra < 0)
3073	{	2854	{
3074	extra += i;	2855	extra += size;
3075	i += i;	2856	size += size;
3076	new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t));	2857	new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
3077	}	2858	}
3078		2859
3079	ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);	2860	ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
3080	}	2861	}
3081	#endif	2862	#endif
…		…
3093		2874
3094	new_selection_text[ofs++] = C0_LF;	2875	new_selection_text[ofs++] = C0_LF;
3095	}	2876	}
3096	else	2877	else
3097	#endif	2878	#endif
3098	if (!ROW(row).is_longer () && row != selection.end.row)	2879	if (!ROW(row).is_longer ()
		2880	&& (row != selection.end.row || end_col != selection.end.col)
		2881	&& (row != selection.beg.row || selection.beg.col < ncol))
3099	new_selection_text[ofs++] = C0_LF;	2882	new_selection_text[ofs++] = C0_LF;
3100	}	2883	}
3101
3102	if (end_col != selection.end.col)
3103	new_selection_text[ofs++] = C0_LF;
3104		2884
3105	new_selection_text[ofs] = 0;	2885	new_selection_text[ofs] = 0;
3106		2886
3107	if (ofs == 0)	2887	if (ofs == 0)
3108	{	2888	{
…		…
3164	/* ------------------------------------------------------------------------- */	2944	/* ------------------------------------------------------------------------- */
3165	/*	2945	/*
3166	* Mark or select text based upon number of clicks: 1, 2, or 3	2946	* Mark or select text based upon number of clicks: 1, 2, or 3
3167	* EXT: button 1 press	2947	* EXT: button 1 press
3168	*/	2948	*/
3169	void	2949	void ecb_cold
3170	rxvt_term::selection_click (int clicks, int x, int y) NOTHROW	2950	rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
3171	{	2951	{
3172	clicks = ((clicks - 1) % 3) + 1;	2952	clicks = ((clicks - 1) % 3) + 1;
3173	selection.clicks = clicks; /* save clicks so extend will work */	2953	selection.clicks = clicks; /* save clicks so extend will work */
3174		2954
…		…
3193		2973
3194	/* ------------------------------------------------------------------------- */	2974	/* ------------------------------------------------------------------------- */
3195	/*	2975	/*
3196	* Mark a selection at the specified col/row	2976	* Mark a selection at the specified col/row
3197	*/	2977	*/
3198	void	2978	void ecb_cold
3199	rxvt_term::selection_start_colrow (int col, int row) NOTHROW	2979	rxvt_term::selection_start_colrow (int col, int row) NOTHROW
3200	{	2980	{
3201	want_refresh = 1;	2981	want_refresh = 1;
3202		2982
3203	selection.mark.row = row + view_start;	2983	selection.mark.row = row + view_start;
…		…
3230	/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */	3010	/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
3231	#define DELIMIT_TEXT(x) \	3011	#define DELIMIT_TEXT(x) \
3232	(unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))	3012	(unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3233	#define DELIMIT_REND(x) 1	3013	#define DELIMIT_REND(x) 1
3234		3014
3235	void	3015	void ecb_cold
3236	rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW	3016	rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
3237	{	3017	{
3238	int col, row, dirnadd, tcol, trow, w1, w2;	3018	int col, row, dirnadd, tcol, trow, w1, w2;
3239	row_col_t bound;	3019	row_col_t bound;
3240	text_t *stp;	3020	text_t *stp;
…		…
3314	* EXT: button 3 press; button 1 or 3 drag	3094	* EXT: button 3 press; button 1 or 3 drag
3315	* flag == 0 ==> button 1	3095	* flag == 0 ==> button 1
3316	* flag == 1 ==> button 3 press	3096	* flag == 1 ==> button 3 press
3317	* flag == 2 ==> button 3 motion	3097	* flag == 2 ==> button 3 motion
3318	*/	3098	*/
3319	void	3099	void ecb_cold
3320	rxvt_term::selection_extend (int x, int y, int flag) NOTHROW	3100	rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
3321	{	3101	{
3322	int col = clamp (Pixel2Col (x), 0, ncol);	3102	int col = clamp (Pixel2Col (x), 0, ncol);
3323	int row = clamp (Pixel2Row (y), 0, nrow - 1);	3103	int row = clamp (Pixel2Row (y), 0, nrow - 1);
3324		3104
…		…
3350		3130
3351	/* ------------------------------------------------------------------------- */	3131	/* ------------------------------------------------------------------------- */
3352	/*	3132	/*
3353	* Extend the selection to the specified col/row	3133	* Extend the selection to the specified col/row
3354	*/	3134	*/
3355	void	3135	void ecb_cold
3356	rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW	3136	rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
3357	{	3137	{
3358	row_col_t pos;	3138	row_col_t pos;
3359	enum {	3139	enum {
3360	LEFT, RIGHT	3140	LEFT, RIGHT
…		…
3551	::swap (selection.beg.col, selection.end.col);	3331	::swap (selection.beg.col, selection.end.col);
3552	#endif	3332	#endif
3553	}	3333	}
3554		3334
3555	#if !ENABLE_MINIMAL	3335	#if !ENABLE_MINIMAL
3556	void	3336	void ecb_cold
3557	rxvt_term::selection_remove_trailing_spaces () NOTHROW	3337	rxvt_term::selection_remove_trailing_spaces () NOTHROW
3558	{	3338	{
3559	int32_t end_col, end_row;	3339	int32_t end_col, end_row;
3560	text_t *stp;	3340	text_t *stp;
3561		3341
…		…
3599	/* ------------------------------------------------------------------------- */	3379	/* ------------------------------------------------------------------------- */
3600	/*	3380	/*
3601	* Double click on button 3 when already selected	3381	* Double click on button 3 when already selected
3602	* EXT: button 3 double click	3382	* EXT: button 3 double click
3603	*/	3383	*/
3604	void	3384	void ecb_cold
3605	rxvt_term::selection_rotate (int x, int y) NOTHROW	3385	rxvt_term::selection_rotate (int x, int y) NOTHROW
3606	{	3386	{
3607	selection.clicks = selection.clicks % 3 + 1;	3387	selection.clicks = selection.clicks % 3 + 1;
3608	selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);	3388	selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3609	}	3389	}
…		…
3611	/* ------------------------------------------------------------------------- */	3391	/* ------------------------------------------------------------------------- */
3612	/*	3392	/*
3613	* Respond to a request for our current selection	3393	* Respond to a request for our current selection
3614	* EXT: SelectionRequest	3394	* EXT: SelectionRequest
3615	*/	3395	*/
3616	void	3396	void ecb_cold
3617	rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW	3397	rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3618	{	3398	{
		3399	Atom property = rq.property == None ? rq.target : rq.property;
3619	XSelectionEvent ev;	3400	XSelectionEvent ev;
3620		3401
3621	ev.type = SelectionNotify;	3402	ev.type = SelectionNotify;
3622	ev.property = None;	3403	ev.property = None;
3623	ev.display = rq.display;	3404	ev.display = rq.display;
…		…
3638	*target++ = xa[XA_COMPOUND_TEXT];	3419	*target++ = xa[XA_COMPOUND_TEXT];
3639	#if X_HAVE_UTF8_STRING	3420	#if X_HAVE_UTF8_STRING
3640	*target++ = xa[XA_UTF8_STRING];	3421	*target++ = xa[XA_UTF8_STRING];
3641	#endif	3422	#endif
3642		3423
3643	XChangeProperty (dpy, rq.requestor, rq.property, XA_ATOM,	3424	XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3644	32, PropModeReplace,	3425	32, PropModeReplace,
3645	(unsigned char *)target_list, target - target_list);	3426	(unsigned char *)target_list, target - target_list);
3646	ev.property = rq.property;	3427	ev.property = property;
3647	}	3428	}
3648	#if TODO // TODO	3429	#if TODO // TODO
3649	else if (rq.target == xa[XA_MULTIPLE])	3430	else if (rq.target == xa[XA_MULTIPLE])
3650	{	3431	{
3651	/* TODO: Handle MULTIPLE */	3432	/* TODO: Handle MULTIPLE */
3652	}	3433	}
3653	#endif	3434	#endif
3654	else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)	3435	else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3655	{	3436	{
3656	XChangeProperty (dpy, rq.requestor, rq.property, rq.target,	3437	XChangeProperty (dpy, rq.requestor, property, rq.target,
3657	32, PropModeReplace, (unsigned char *)&selection_time, 1);	3438	32, PropModeReplace, (unsigned char *)&selection_time, 1);
3658	ev.property = rq.property;	3439	ev.property = property;
3659	}	3440	}
3660	else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)	3441	else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3661	{	3442	{
3662	XChangeProperty (dpy, rq.requestor, rq.property, rq.target,	3443	XChangeProperty (dpy, rq.requestor, property, rq.target,
3663	32, PropModeReplace, (unsigned char *)&clipboard_time, 1);	3444	32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3664	ev.property = rq.property;	3445	ev.property = property;
3665	}	3446	}
3666	else if (rq.target == XA_STRING	3447	else if (rq.target == XA_STRING
3667	|| rq.target == xa[XA_TEXT]	3448	|| rq.target == xa[XA_TEXT]
3668	|| rq.target == xa[XA_COMPOUND_TEXT]	3449	|| rq.target == xa[XA_COMPOUND_TEXT]
3669	|| rq.target == xa[XA_UTF8_STRING]	3450	|| rq.target == xa[XA_UTF8_STRING]
…		…
3740	ct.value = (unsigned char *)cl;	3521	ct.value = (unsigned char *)cl;
3741	ct.nitems = selectlen;	3522	ct.nitems = selectlen;
3742	ct.encoding = target;	3523	ct.encoding = target;
3743	}	3524	}
3744		3525
3745	XChangeProperty (dpy, rq.requestor, rq.property,	3526	XChangeProperty (dpy, rq.requestor, property,
3746	ct.encoding, 8, PropModeReplace,	3527	ct.encoding, 8, PropModeReplace,
3747	ct.value, (int)ct.nitems);	3528	ct.value, (int)ct.nitems);
3748	ev.property = rq.property;	3529	ev.property = property;
3749		3530
3750	if (freect)	3531	if (freect)
3751	XFree (ct.value);	3532	XFree (ct.value);
3752	}	3533	}
3753		3534
3754	XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);	3535	XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3755	}	3536	}
3756		3537
3757	/* ------------------------------------------------------------------------- */	3538	/* ------------------------------------------------------------------------- */
3758	#ifdef USE_XIM	3539	#if USE_XIM
3759	void	3540	void ecb_cold
3760	rxvt_term::im_set_position (XPoint &pos) NOTHROW	3541	rxvt_term::im_set_position (XPoint &pos) NOTHROW
3761	{	3542	{
3762	XWindowAttributes xwa;	3543	XWindowAttributes xwa;
3763		3544
3764	XGetWindowAttributes (dpy, vt, &xwa);	3545	XGetWindowAttributes (dpy, vt, &xwa);

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