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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 1.429 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
…		…
901	#endif	927	#endif
902		928
903	rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));	929	rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
904		930
905	// if the character doesn't fit into the remaining columns...	931	// if the character doesn't fit into the remaining columns...
906	if (expect_false (screen.cur.col > ncol - width && ncol >= width))	932	if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
907	{	933	{
908	if (screen.flags & Screen_Autowrap)	934	if (screen.flags & Screen_Autowrap)
909	{	935	{
910	// ... artificially enlargen the previous one	936	// ... artificially enlargen the previous one
911	c = NOCHAR;	937	c = NOCHAR;
…		…
915	else	941	else
916	screen.cur.col = ncol - width;	942	screen.cur.col = ncol - width;
917	}	943	}
918		944
919	// nuke the character at this position, if required	945	// nuke the character at this position, if required
920	if (expect_false (	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.
921	line->t[screen.cur.col] == NOCHAR	949	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);	950	scr_kill_char (*line, screen.cur.col);
926		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
…		…
1115	* XTERM_SEQ: ESC 6	1139	* XTERM_SEQ: ESC 6
1116	* 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
1117	* in that row right. Clear left column.	1141	* in that row right. Clear left column.
1118	*/	1142	*/
1119	#if !ENABLE_MINIMAL	1143	#if !ENABLE_MINIMAL
1120	void	1144	void ecb_cold
1121	rxvt_term::scr_backindex () NOTHROW	1145	rxvt_term::scr_backindex () NOTHROW
1122	{	1146	{
1123	if (screen.cur.col > 0)	1147	if (screen.cur.col > 0)
1124	scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);	1148	scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1125	else	1149	else
…		…
1132	* XTERM_SEQ: ESC 9	1156	* XTERM_SEQ: ESC 9
1133	* 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
1134	* in that row left. Clear right column.	1158	* in that row left. Clear right column.
1135	*/	1159	*/
1136	#if !ENABLE_MINIMAL	1160	#if !ENABLE_MINIMAL
1137	void	1161	void ecb_cold
1138	rxvt_term::scr_forwardindex () NOTHROW	1162	rxvt_term::scr_forwardindex () NOTHROW
1139	{	1163	{
1140	if (screen.cur.col < ncol - 1)	1164	if (screen.cur.col < ncol - 1)
1141	scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);	1165	scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1142	else	1166	else
…		…
1293	scr_blank_line (line, col, num, rstyle);	1317	scr_blank_line (line, col, num, rstyle);
1294	}	1318	}
1295		1319
1296	/* ------------------------------------------------------------------------- */	1320	/* ------------------------------------------------------------------------- */
1297	/*	1321	/*
1298	* Erase part of whole of the screen	1322	* Erase part or whole of the screen
1299	* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J	1323	* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1300	* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J	1324	* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1301	* XTERM_SEQ: Clear whole screen : ESC [ 2 J	1325	* XTERM_SEQ: Clear whole screen : ESC [ 2 J
1302	*/	1326	*/
1303	void	1327	void
…		…
1312	ZERO_SCROLLBACK ();	1336	ZERO_SCROLLBACK ();
1313		1337
1314	switch (mode)	1338	switch (mode)
1315	{	1339	{
1316	case 0: /* erase to end of screen */	1340	case 0: /* erase to end of screen */
1317	selection_check (1);
1318	scr_erase_line (0);	1341	scr_erase_line (0);
1319	row = screen.cur.row + 1; /* possible OOB */	1342	row = screen.cur.row + 1; /* possible OOB */
1320	num = nrow - row;	1343	num = nrow - row;
1321	break;	1344	break;
1322	case 1: /* erase to beginning of screen */	1345	case 1: /* erase to beginning of screen */
1323	selection_check (3);
1324	scr_erase_line (1);	1346	scr_erase_line (1);
1325	row = 0;	1347	row = 0;
1326	num = screen.cur.row;	1348	num = screen.cur.row;
1327	break;	1349	break;
1328	case 2: /* erase whole screen */	1350	case 2: /* erase whole screen */
1329	selection_check (3);
1330	row = 0;	1351	row = 0;
1331	num = nrow;	1352	num = nrow;
1332	break;	1353	break;
1333	default:	1354	default:
1334	return;	1355	return;
…		…
1351	{	1372	{
1352	ren = DEFAULT_RSTYLE;	1373	ren = DEFAULT_RSTYLE;
1353		1374
1354	if (mapped)	1375	if (mapped)
1355	XClearArea (dpy, vt, 0,	1376	XClearArea (dpy, vt, 0,
1356	Row2Pixel (row - view_start), (unsigned int)width,	1377	Row2Pixel (row - view_start), (unsigned int)vt_width,
1357	(unsigned int)Height2Pixel (num), False);	1378	(unsigned int)Height2Pixel (num), False);
1358	}	1379	}
1359	else	1380	else
1360	{	1381	{
1361	ren = rstyle & (RS_fgMask | RS_bgMask);	1382	ren = rstyle & (RS_fgMask | RS_bgMask);
…		…
1364	{	1385	{
1365	gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];	1386	gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1366	XChangeGC (dpy, gc, GCForeground, &gcvalue);	1387	XChangeGC (dpy, gc, GCForeground, &gcvalue);
1367	XFillRectangle (dpy, vt, gc,	1388	XFillRectangle (dpy, vt, gc,
1368	0, Row2Pixel (row - view_start),	1389	0, Row2Pixel (row - view_start),
1369	(unsigned int)width,	1390	(unsigned int)vt_width,
1370	(unsigned int)Height2Pixel (num));	1391	(unsigned int)Height2Pixel (num));
1371	gcvalue.foreground = pix_colors[Color_fg];	1392	gcvalue.foreground = pix_colors[Color_fg];
1372	XChangeGC (dpy, gc, GCForeground, &gcvalue);	1393	XChangeGC (dpy, gc, GCForeground, &gcvalue);
1373	}	1394	}
1374	}	1395	}
…		…
1396	/* ------------------------------------------------------------------------- */	1417	/* ------------------------------------------------------------------------- */
1397	/*	1418	/*
1398	* Fill the screen with `E's	1419	* Fill the screen with `E's
1399	* XTERM_SEQ: Screen Alignment Test: ESC # 8	1420	* XTERM_SEQ: Screen Alignment Test: ESC # 8
1400	*/	1421	*/
1401	void	1422	void ecb_cold
1402	rxvt_term::scr_E () NOTHROW	1423	rxvt_term::scr_E () NOTHROW
1403	{	1424	{
1404	rend_t fs;	1425	rend_t fs;
1405		1426
1406	want_refresh = 1;	1427	want_refresh = 1;
1407	ZERO_SCROLLBACK ();	1428	ZERO_SCROLLBACK ();
1408		1429
1409	num_scr_allow = 0;	1430	num_scr_allow = 0;
1410	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 ();
1411		1436
1412	fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));	1437	fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1413	for (int row = nrow; row--; )	1438	for (int row = nrow; row--; )
1414	{	1439	{
1415	line_t &line = ROW(row);	1440	line_t &line = ROW(row);
…		…
1566	/* ------------------------------------------------------------------------- */	1591	/* ------------------------------------------------------------------------- */
1567	/*	1592	/*
1568	* Set the scrolling region	1593	* Set the scrolling region
1569	* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r	1594	* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1570	*/	1595	*/
1571	void	1596	void ecb_cold
1572	rxvt_term::scr_scroll_region (int top, int bot) NOTHROW	1597	rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1573	{	1598	{
1574	max_it (top, 0);	1599	max_it (top, 0);
1575	min_it (bot, nrow - 1);	1600	min_it (bot, nrow - 1);
1576		1601
…		…
1586	/*	1611	/*
1587	* Make the cursor visible/invisible	1612	* Make the cursor visible/invisible
1588	* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h	1613	* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1589	* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l	1614	* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1590	*/	1615	*/
1591	void	1616	void ecb_cold
1592	rxvt_term::scr_cursor_visible (int mode) NOTHROW	1617	rxvt_term::scr_cursor_visible (int mode) NOTHROW
1593	{	1618	{
1594	want_refresh = 1;	1619	want_refresh = 1;
1595		1620
1596	if (mode)	1621	if (mode)
…		…
1603	/*	1628	/*
1604	* Set/unset automatic wrapping	1629	* Set/unset automatic wrapping
1605	* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h	1630	* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1606	* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l	1631	* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1607	*/	1632	*/
1608	void	1633	void ecb_cold
1609	rxvt_term::scr_autowrap (int mode) NOTHROW	1634	rxvt_term::scr_autowrap (int mode) NOTHROW
1610	{	1635	{
1611	if (mode)	1636	if (mode)
1612	screen.flags |= Screen_Autowrap;	1637	screen.flags |= Screen_Autowrap;
1613	else	1638	else
…		…
1622	* 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
1623	* and the cursor cannot be moved outside.	1648	* and the cursor cannot be moved outside.
1624	* XTERM_SEQ: Set Absolute: ESC [ ? 6 h	1649	* XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1625	* XTERM_SEQ: Set Relative: ESC [ ? 6 l	1650	* XTERM_SEQ: Set Relative: ESC [ ? 6 l
1626	*/	1651	*/
1627	void	1652	void ecb_cold
1628	rxvt_term::scr_relative_origin (int mode) NOTHROW	1653	rxvt_term::scr_relative_origin (int mode) NOTHROW
1629	{	1654	{
1630	if (mode)	1655	if (mode)
1631	screen.flags |= Screen_Relative;	1656	screen.flags |= Screen_Relative;
1632	else	1657	else
…		…
1639	/*	1664	/*
1640	* Set insert/replace mode	1665	* Set insert/replace mode
1641	* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h	1666	* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1642	* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l	1667	* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1643	*/	1668	*/
1644	void	1669	void ecb_cold
1645	rxvt_term::scr_insert_mode (int mode) NOTHROW	1670	rxvt_term::scr_insert_mode (int mode) NOTHROW
1646	{	1671	{
1647	if (mode)	1672	if (mode)
1648	screen.flags |= Screen_Insert;	1673	screen.flags |= Screen_Insert;
1649	else	1674	else
…		…
1655	* Set/Unset tabs	1680	* Set/Unset tabs
1656	* XTERM_SEQ: Set tab at current column : ESC H	1681	* XTERM_SEQ: Set tab at current column : ESC H
1657	* XTERM_SEQ: Clear tab at current column: ESC [ 0 g	1682	* XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1658	* XTERM_SEQ: Clear all tabs : ESC [ 3 g	1683	* XTERM_SEQ: Clear all tabs : ESC [ 3 g
1659	*/	1684	*/
1660	void	1685	void ecb_cold
1661	rxvt_term::scr_set_tab (int mode) NOTHROW	1686	rxvt_term::scr_set_tab (int mode) NOTHROW
1662	{	1687	{
1663	if (mode < 0)	1688	if (mode < 0)
1664	memset (tabs, 0, ncol);	1689	memset (tabs, 0, ncol);
1665	else if (screen.cur.col < ncol)	1690	else if (screen.cur.col < ncol)
…		…
1684	if (rvideo_state != on)	1709	if (rvideo_state != on)
1685	{	1710	{
1686	rvideo_state = on;	1711	rvideo_state = on;
1687		1712
1688	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);	1713	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1689	#ifdef HAVE_BG_PIXMAP	1714	#ifdef HAVE_IMG
1690	if (bgPixmap.pixmap == None)	1715	if (bg_img == 0)
1691	#endif	1716	#endif
1692	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);	1717	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1693		1718
1694	XGCValues gcvalue;	1719	XGCValues gcvalue;
1695	gcvalue.foreground = pix_colors[Color_fg];	1720	gcvalue.foreground = pix_colors[Color_fg];
…		…
1704	/* ------------------------------------------------------------------------- */	1729	/* ------------------------------------------------------------------------- */
1705	/*	1730	/*
1706	* Report current cursor position	1731	* Report current cursor position
1707	* XTERM_SEQ: Report position: ESC [ 6 n	1732	* XTERM_SEQ: Report position: ESC [ 6 n
1708	*/	1733	*/
1709	void	1734	void ecb_cold
1710	rxvt_term::scr_report_position () NOTHROW	1735	rxvt_term::scr_report_position () NOTHROW
1711	{	1736	{
1712	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);
1713	}	1738	}
1714		1739
…		…
1717	* ------------------------------------------------------------------------- */	1742	* ------------------------------------------------------------------------- */
1718		1743
1719	/*	1744	/*
1720	* Set font style	1745	* Set font style
1721	*/	1746	*/
1722	void	1747	void ecb_cold
1723	rxvt_term::set_font_style () NOTHROW	1748	rxvt_term::set_font_style () NOTHROW
1724	{	1749	{
1725	#if 0	1750	#if 0
1726	switch (charsets [screen.charset])	1751	switch (charsets [screen.charset])
1727	{	1752	{
…		…
1749	* XTERM_SEQ: Invoke G0 character set: CTRL-O	1774	* XTERM_SEQ: Invoke G0 character set: CTRL-O
1750	* XTERM_SEQ: Invoke G1 character set: CTRL-N	1775	* XTERM_SEQ: Invoke G1 character set: CTRL-N
1751	* XTERM_SEQ: Invoke G2 character set: ESC N	1776	* XTERM_SEQ: Invoke G2 character set: ESC N
1752	* XTERM_SEQ: Invoke G3 character set: ESC O	1777	* XTERM_SEQ: Invoke G3 character set: ESC O
1753	*/	1778	*/
1754	void	1779	void ecb_cold
1755	rxvt_term::scr_charset_choose (int set) NOTHROW	1780	rxvt_term::scr_charset_choose (int set) NOTHROW
1756	{	1781	{
1757	screen.charset = set;	1782	screen.charset = set;
1758	set_font_style ();	1783	set_font_style ();
1759	}	1784	}
…		…
1780	* ------------------------------------------------------------------------- */	1805	* ------------------------------------------------------------------------- */
1781		1806
1782	/*	1807	/*
1783	* refresh matching text.	1808	* refresh matching text.
1784	*/	1809	*/
1785	bool	1810	bool ecb_cold
1786	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
1787	{	1812	{
1788	bool found = false;	1813	bool found = false;
1789		1814
1790	for (int i = 0; i < nrow; i++)	1815	for (int i = 0; i < nrow; i++)
…		…
1809	PART_BEG = 0,	1834	PART_BEG = 0,
1810	PART_END,	1835	PART_END,
1811	RC_COUNT	1836	RC_COUNT
1812	};	1837	};
1813		1838
1814	void	1839	void ecb_hot
1815	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
1816	{	1841	{
1817	int i;	1842	int i;
1818	row_col_t rc[RC_COUNT];	1843	row_col_t rc[RC_COUNT];
1819		1844
…		…
1856	* Refresh the entire screen	1881	* Refresh the entire screen
1857	*/	1882	*/
1858	void	1883	void
1859	rxvt_term::scr_touch (bool refresh) NOTHROW	1884	rxvt_term::scr_touch (bool refresh) NOTHROW
1860	{	1885	{
1861	scr_expose (0, 0, width, height, refresh);	1886	scr_expose (0, 0, vt_width, vt_height, refresh);
1862	}	1887	}
1863		1888
1864	/* ------------------------------------------------------------------------- */	1889	/* ------------------------------------------------------------------------- */
1865	/*	1890	/*
1866	* 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
…		…
1922		1947
1923	# ifndef NO_MAPALERT	1948	# ifndef NO_MAPALERT
1924	# ifdef MAPALERT_OPTION	1949	# ifdef MAPALERT_OPTION
1925	if (option (Opt_mapAlert))	1950	if (option (Opt_mapAlert))
1926	# endif	1951	# endif
1927	XMapWindow (dpy, parent[0]);	1952	XMapWindow (dpy, parent);
1928	# endif	1953	# endif
1929		1954
1930	# if ENABLE_FRILLS	1955	# if ENABLE_FRILLS
1931	if (option (Opt_urgentOnBell))	1956	if (option (Opt_urgentOnBell))
1932	set_urgency (1);	1957	set_urgency (1);
…		…
1945	HOOK_INVOKE ((this, HOOK_BELL, DT_END));	1970	HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1946	#endif	1971	#endif
1947	}	1972	}
1948		1973
1949	/* ------------------------------------------------------------------------- */	1974	/* ------------------------------------------------------------------------- */
1950	/* ARGSUSED */	1975	void ecb_cold
1951	void
1952	rxvt_term::scr_printscreen (int fullhist) NOTHROW	1976	rxvt_term::scr_printscreen (int fullhist) NOTHROW
1953	{	1977	{
1954	#ifdef PRINTPIPE	1978	#ifdef PRINTPIPE
1955	int nrows, row_start;	1979	int nrows, row_start;
1956	FILE *fd = popen_printer ();	1980	FILE *fd = popen_printer ();
…		…
2005	/*	2029	/*
2006	* Refresh the screen	2030	* Refresh the screen
2007	* drawn_text/drawn_rend contain the screen information before the update.	2031	* drawn_text/drawn_rend contain the screen information before the update.
2008	* screen.text/screen.rend contain what the screen will change to.	2032	* screen.text/screen.rend contain what the screen will change to.
2009	*/	2033	*/
2010	void	2034	void ecb_hot
2011	rxvt_term::scr_refresh () NOTHROW	2035	rxvt_term::scr_refresh () NOTHROW
2012	{	2036	{
2013	int16_t col, row, /* column/row we're processing */	2037	int16_t col, row, /* column/row we're processing */
2014	ocrow; /* old cursor row */	2038	ocrow; /* old cursor row */
2015	int i; /* tmp */	2039	int i; /* tmp */
…		…
2029	* A: set up vars	2053	* A: set up vars
2030	*/	2054	*/
2031	refresh_count = 0;	2055	refresh_count = 0;
2032		2056
2033	unsigned int old_screen_flags = screen.flags;	2057	unsigned int old_screen_flags = screen.flags;
2034	char have_bg = 0;	2058	bool have_bg = 0;
2035	#ifdef HAVE_BG_PIXMAP	2059	#ifdef HAVE_IMG
2036	have_bg = bgPixmap.pixmap != None;	2060	have_bg = bg_img != 0;
2037	#endif	2061	#endif
2038	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */	2062	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2039		2063
2040	/*	2064	/*
2041	* B: reverse any characters which are selected	2065	* B: reverse any characters which are selected
…		…
2045	HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));	2069	HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2046	#if ENABLE_OVERLAY	2070	#if ENABLE_OVERLAY
2047	scr_swap_overlay ();	2071	scr_swap_overlay ();
2048	#endif	2072	#endif
2049		2073
2050	char showcursor = screen.flags & Screen_VisibleCursor;	2074	bool showcursor = screen.flags & Screen_VisibleCursor;
2051		2075
2052	/*	2076	/*
2053	* C: set the cursor character (s)	2077	* C: set the cursor character (s)
2054	*/	2078	*/
2055	{	2079	{
2056	unsigned char setoldcursor;	2080	bool setoldcursor;
2057		2081
2058	#ifdef CURSOR_BLINK	2082	#ifdef CURSOR_BLINK
2059	if (hidden_cursor)	2083	if (hidden_cursor)
2060	showcursor = 0;	2084	showcursor = 0;
2061	#endif	2085	#endif
…		…
2148	{	2172	{
2149	int16_t nits;	2173	int16_t nits;
2150	int i = num_scr;	2174	int i = num_scr;
2151	int j;	2175	int j;
2152	int len, wlen;	2176	int len, wlen;
2153	dLocal (int, num_scr);
2154		2177
2155	j = nrow;	2178	j = nrow;
2156	wlen = len = -1;	2179	wlen = len = -1;
2157	row = i > 0 ? 0 : j - 1;	2180	row = i > 0 ? 0 : j - 1;
2158		2181
…		…
2233	continue;	2256	continue;
2234		2257
2235	// redraw one or more characters	2258	// redraw one or more characters
2236		2259
2237	// seek to the beginning of wide characters	2260	// seek to the beginning of wide characters
2238	while (expect_false (stp[col] == NOCHAR && col > 0))	2261	while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2239	--col;	2262	--col;
2240		2263
2241	rend_t rend = srp[col]; /* screen rendition (target rendition) */	2264	rend_t rend = srp[col]; /* screen rendition (target rendition) */
2242	text_t *text = stp + col;	2265	text_t *text = stp + col;
2243	int count = 1;	2266	int count = 1;
…		…
2281		2304
2282	col--; /* went one too far. move back */	2305	col--; /* went one too far. move back */
2283	count -= i; /* dump any matching trailing chars */	2306	count -= i; /* dump any matching trailing chars */
2284		2307
2285	// sometimes we optimize away the trailing NOCHAR's, add them back	2308	// sometimes we optimize away the trailing NOCHAR's, add them back
2286	while (expect_false (i && text[count] == NOCHAR))	2309	while (ecb_unlikely (i && text[count] == NOCHAR))
2287	count++, i--;	2310	count++, i--;
2288		2311
2289	/*	2312	/*
2290	* Determine the attributes for the string	2313	* Determine the attributes for the string
2291	*/	2314	*/
2292	int fore = fgcolor_of (rend); // desired foreground	2315	int fore = fgcolor_of (rend); // desired foreground
2293	int back = bgcolor_of (rend); // desired background	2316	int back = bgcolor_of (rend); // desired background
2294		2317
2295	// 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
2296	if (expect_false (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))	2319	if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2297	{	2320	{
2298	bool invert = rend & RS_RVid;	2321	bool invert = rend & RS_RVid;
2299		2322
2300	#ifndef NO_BOLD_UNDERLINE_REVERSE	2323	#ifndef NO_BOLD_UNDERLINE_REVERSE
2301	if (rend & RS_Bold && fore == Color_fg)	2324	if (rend & RS_Bold && fore == Color_fg)
…		…
2390	/*	2413	/*
2391	* Actually do the drawing of the string here	2414	* Actually do the drawing of the string here
2392	*/	2415	*/
2393	rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];	2416	rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2394		2417
2395	if (expect_true (have_bg && back == Color_bg))	2418	if (ecb_likely (have_bg && back == Color_bg))
2396	{	2419	{
2397	// this is very ugly, maybe push it into ->draw?	2420	// this is very ugly, maybe push it into ->draw?
2398		2421
2399	for (i = 0; i < count; i++) /* don't draw empty strings */	2422	for (i = 0; i < count; i++) /* don't draw empty strings */
2400	if (text[i] != ' ')	2423	if (text[i] != ' ')
…		…
2407	did_clear: ;	2430	did_clear: ;
2408	}	2431	}
2409	else	2432	else
2410	font->draw (*drawable, xpixel, ypixel, text, count, fore, back);	2433	font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2411		2434
2412	if (expect_false (rend & RS_Uline && font->descent > 1 && fore != back))	2435	if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2413	{	2436	{
2414	#if ENABLE_FRILLS	2437	#if ENABLE_FRILLS
2415	if (ISSET_PIXCOLOR (Color_underline))	2438	if (ISSET_PIXCOLOR (Color_underline))
2416	XSetForeground (dpy, gc, pix_colors[Color_underline]);	2439	XSetForeground (dpy, gc, pix_colors[Color_underline]);
2417	else	2440	else
…		…
2463		2486
2464	XDrawRectangle (dpy, vt, gc,	2487	XDrawRectangle (dpy, vt, gc,
2465	Col2Pixel (col),	2488	Col2Pixel (col),
2466	Row2Pixel (oldcursor.row),	2489	Row2Pixel (oldcursor.row),
2467	(unsigned int) (Width2Pixel (cursorwidth) - 1),	2490	(unsigned int) (Width2Pixel (cursorwidth) - 1),
2468	(unsigned int) (Height2Pixel (1) - lineSpace - 1));	2491	(unsigned int) (Height2Pixel (1) - 1));
2469	}	2492	}
2470	}	2493	}
2471		2494
2472	/*	2495	/*
2473	* H: cleanup selection	2496	* H: cleanup selection
…		…
2482	screen.flags = old_screen_flags;	2505	screen.flags = old_screen_flags;
2483	num_scr = 0;	2506	num_scr = 0;
2484	num_scr_allow = 1;	2507	num_scr_allow = 1;
2485	}	2508	}
2486		2509
2487	void	2510	void ecb_cold
2488	rxvt_term::scr_remap_chars (line_t &l) NOTHROW	2511	rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2489	{	2512	{
2490	if (!l.t)	2513	if (!l.valid ())
2491	return;	2514	return;
2492		2515
2493	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
2494		2517
2495	for (int i = ncol; i--; )	2518	for (int i = ncol; i--; )
2496	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]));
2497	}	2520	}
2498		2521
2499	void	2522	void ecb_cold
2500	rxvt_term::scr_remap_chars () NOTHROW	2523	rxvt_term::scr_remap_chars () NOTHROW
2501	{	2524	{
2502	for (int i = total_rows; i--; )	2525	for (int i = total_rows; i--; )
2503	scr_remap_chars (row_buf [i]);	2526	scr_remap_chars (row_buf [i]);
2504		2527
…		…
2507	scr_remap_chars (drawn_buf [i]);	2530	scr_remap_chars (drawn_buf [i]);
2508	scr_remap_chars (swap_buf [i]);	2531	scr_remap_chars (swap_buf [i]);
2509	}	2532	}
2510	}	2533	}
2511		2534
2512	void	2535	void ecb_cold
2513	rxvt_term::scr_recolour () NOTHROW	2536	rxvt_term::scr_recolour (bool refresh) NOTHROW
2514	{	2537	{
2515	#ifdef HAVE_BG_PIXMAP	2538	bool transparent = false;
2516	bgPixmap.apply ();
2517	#else
2518		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	{
2519	XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]);	2561	XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2520	XClearWindow (dpy, parent[0]);
2521	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);	2562	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
		2563	}
		2564
		2565	XClearWindow (dpy, parent);
2522		2566
2523	if (scrollBar.win)	2567	if (scrollBar.win)
2524	{	2568	{
		2569	if (transparent)
		2570	XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
		2571	else
2525	XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);	2572	XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2526	scrollBar.state = STATE_IDLE;	2573	scrollBar.state = SB_STATE_IDLE;
2527	scrollBar.show (0);	2574	scrollBar.show (0);
2528	}	2575	}
2529		2576
2530	#endif	2577	if (refresh)
2531		2578	{
2532	/* bgPixmap.apply () does not do the following : */
2533	scr_clear ();	2579	scr_clear ();
2534	scr_touch (true);	2580	scr_touch (true);
		2581	}
2535	want_refresh = 1;	2582	want_refresh = 1;
2536	}	2583	}
2537		2584
2538	/* ------------------------------------------------------------------------- */	2585	/* ------------------------------------------------------------------------- */
2539	void	2586	void
…		…
2596	for (rend_t *srp = ROW(row).r; col < end_col; col++)	2643	for (rend_t *srp = ROW(row).r; col < end_col; col++)
2597	srp[col] ^= rstyle;	2644	srp[col] ^= rstyle;
2598	}	2645	}
2599		2646
2600	/* ------------------------------------------------------------------------- */	2647	/* ------------------------------------------------------------------------- */
2601	void	2648	void ecb_hot
2602	rxvt_term::scr_reverse_selection () NOTHROW	2649	rxvt_term::scr_reverse_selection () NOTHROW
2603	{	2650	{
2604	if (selection.op	2651	if (selection.op
2605	&& current_screen == selection.screen	2652	&& current_screen == selection.screen
2606	&& selection.end.row >= view_start)	2653	&& selection.end.row >= view_start)
…		…
2625	*/	2672	*/
2626	#if 0	2673	#if 0
2627	void	2674	void
2628	rxvt_term::scr_dump (int fd) NOTHROW	2675	rxvt_term::scr_dump (int fd) NOTHROW
2629	{	2676	{
2630	int row, wrote;	2677	// if this method is needed, it can be implemented by factoring the
2631	unsigned int width, towrite;	2678	// 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	}	2679	}
2651	#endif	2680	#endif
2652		2681
2653	/* ------------------------------------------------------------------------- *	2682	/* ------------------------------------------------------------------------- *
2654	* CHARACTER SELECTION *	2683	* CHARACTER SELECTION *
2655	* ------------------------------------------------------------------------- */	2684	* ------------------------------------------------------------------------- */
2656	void	2685	void
2657	rxvt_term::selection_check (int check_more) NOTHROW	2686	rxvt_term::selection_check (int check_more) NOTHROW
2658	{	2687	{
2659	row_col_t pos;
2660
2661	if (!selection.op)	2688	if (!selection.op)
2662	return;	2689	return;
2663		2690
2664	pos.row = pos.col = 0;
2665	if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)	2691	if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2666	|| !IN_RANGE_EXC (selection.mark.row, top_row, nrow)	2692	|| !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2667	|| !IN_RANGE_EXC (selection.end.row, top_row, nrow)	2693	|| !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2668	|| (check_more == 1	2694	|| (check_more == 1
2669	&& current_screen == selection.screen	2695	&& current_screen == selection.screen
2670	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)	2696	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2671	&& ROWCOL_IS_BEFORE (screen.cur, selection.end))	2697	&& 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 ();	2698	CLEAR_ALL_SELECTION ();
2681	}	2699	}
2682		2700
2683	/* ------------------------------------------------------------------------- */	2701	/* ------------------------------------------------------------------------- */
2684	/*	2702	/*
2685	* Paste a selection direct to the command fd	2703	* Paste a selection direct to the command fd
…		…
2691	for (unsigned int i = 0; i < len; i++)	2709	for (unsigned int i = 0; i < len; i++)
2692	if (data[i] == C0_LF)	2710	if (data[i] == C0_LF)
2693	data[i] = C0_CR;	2711	data[i] = C0_CR;
2694		2712
2695	if (priv_modes & PrivMode_BracketPaste)	2713	if (priv_modes & PrivMode_BracketPaste)
2696	tt_printf ("\e[200~");	2714	tt_printf ("\x1b[200~");
2697		2715
2698	tt_write (data, len);	2716	tt_write (data, len);
2699		2717
2700	if (priv_modes & PrivMode_BracketPaste)	2718	if (priv_modes & PrivMode_BracketPaste)
2701	tt_printf ("\e[201~");	2719	tt_printf ("\x1b[201~");
2702	}	2720	}
2703		2721
2704	void	2722	void
2705	rxvt_term::paste (char *data, unsigned int len) NOTHROW	2723	rxvt_term::paste (char *data, unsigned int len) NOTHROW
2706	{	2724	{
…		…
2710	tt_paste (data, len);	2728	tt_paste (data, len);
2711	}	2729	}
2712		2730
2713	/* ------------------------------------------------------------------------- */	2731	/* ------------------------------------------------------------------------- */
2714	/*	2732	/*
2715	* Respond to a notification that a primary selection has been sent	2733	* Request PRIMARY, SECONDARY or CLIPBOARD selection.
2716	* EXT: SelectionNotify	2734	* if the requested selection has no owner or is empty CUT_BUFFER0 is used
2717	*/	2735	* 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	2736	* EXT: button 2 release
2909	*/	2737	*/
2910	void	2738	void
2911	rxvt_term::selection_request (Time tm, int selnum) NOTHROW	2739	rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2912	{	2740	{
2913	if (selection.text && selnum == Sel_Primary)	2741	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	}	2742	{
2921	else	2743	selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
		2744	selection_req->run ();
2922	{	2745	}
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	}	2746	}
2964		2747
2965	/* ------------------------------------------------------------------------- */	2748	/* ------------------------------------------------------------------------- */
2966	/*	2749	/*
2967	* Clear all selected text	2750	* Clear all selected text
…		…
2998	* EXT: button 1 or 3 release	2781	* EXT: button 1 or 3 release
2999	*/	2782	*/
3000	void	2783	void
3001	rxvt_term::selection_make (Time tm)	2784	rxvt_term::selection_make (Time tm)
3002	{	2785	{
3003	int i;	2786	int size;
3004	wchar_t *new_selection_text;	2787	wchar_t *new_selection_text;
3005	text_t *t;	2788	text_t *t;
3006		2789
3007	switch (selection.op)	2790	switch (selection.op)
3008	{	2791	{
…		…
3024	return; /* nothing selected, go away */	2807	return; /* nothing selected, go away */
3025		2808
3026	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)))
3027	return;	2810	return;
3028		2811
3029	i = (selection.end.row - selection.beg.row + 1) * (ncol + 1);	2812	size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
3030	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));
3031		2814
3032	int ofs = 0;	2815	int ofs = 0;
3033	int extra = 0;	2816	int extra = 0;
3034		2817
3035	int col = selection.beg.col;	2818	int col = selection.beg.col;
…		…
3041	{	2824	{
3042	#if !ENABLE_MINIMAL	2825	#if !ENABLE_MINIMAL
3043	if (selection.rect)	2826	if (selection.rect)
3044	{	2827	{
3045	col = selection.beg.col;	2828	col = selection.beg.col;
3046	end_col = ncol + 1;	2829	end_col = selection.end.col;
3047	}	2830	}
3048	else	2831	else
3049	#endif	2832	#endif
3050	end_col = ROW(row).l;	2833	end_col = ROW(row).l;
3051		2834
3052	col = max (col, 0);	2835	col = max (col, 0);
3053		2836
3054	if (row == selection.end.row	2837	if (row == selection.end.row)
3055	#if !ENABLE_MINIMAL
3056	|| selection.rect
3057	#endif
3058	)
3059	min_it (end_col, selection.end.col);	2838	min_it (end_col, selection.end.col);
3060		2839
3061	t = ROW(row).t + col;	2840	t = ROW(row).t + col;
3062		2841
3063	for (; col < end_col; col++)	2842	for (; col < end_col; col++)
…		…
3071		2850
3072	extra -= (len - 1);	2851	extra -= (len - 1);
3073		2852
3074	if (extra < 0)	2853	if (extra < 0)
3075	{	2854	{
3076	extra += i;	2855	extra += size;
3077	i += i;	2856	size += size;
3078	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));
3079	}	2858	}
3080		2859
3081	ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);	2860	ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
3082	}	2861	}
3083	#endif	2862	#endif
…		…
3095		2874
3096	new_selection_text[ofs++] = C0_LF;	2875	new_selection_text[ofs++] = C0_LF;
3097	}	2876	}
3098	else	2877	else
3099	#endif	2878	#endif
3100	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))
3101	new_selection_text[ofs++] = C0_LF;	2882	new_selection_text[ofs++] = C0_LF;
3102	}	2883	}
3103
3104	if (end_col != selection.end.col)
3105	new_selection_text[ofs++] = C0_LF;
3106		2884
3107	new_selection_text[ofs] = 0;	2885	new_selection_text[ofs] = 0;
3108		2886
3109	if (ofs == 0)	2887	if (ofs == 0)
3110	{	2888	{
…		…
3166	/* ------------------------------------------------------------------------- */	2944	/* ------------------------------------------------------------------------- */
3167	/*	2945	/*
3168	* 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
3169	* EXT: button 1 press	2947	* EXT: button 1 press
3170	*/	2948	*/
3171	void	2949	void ecb_cold
3172	rxvt_term::selection_click (int clicks, int x, int y) NOTHROW	2950	rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
3173	{	2951	{
3174	clicks = ((clicks - 1) % 3) + 1;	2952	clicks = ((clicks - 1) % 3) + 1;
3175	selection.clicks = clicks; /* save clicks so extend will work */	2953	selection.clicks = clicks; /* save clicks so extend will work */
3176		2954
…		…
3195		2973
3196	/* ------------------------------------------------------------------------- */	2974	/* ------------------------------------------------------------------------- */
3197	/*	2975	/*
3198	* Mark a selection at the specified col/row	2976	* Mark a selection at the specified col/row
3199	*/	2977	*/
3200	void	2978	void ecb_cold
3201	rxvt_term::selection_start_colrow (int col, int row) NOTHROW	2979	rxvt_term::selection_start_colrow (int col, int row) NOTHROW
3202	{	2980	{
3203	want_refresh = 1;	2981	want_refresh = 1;
3204		2982
3205	selection.mark.row = row + view_start;	2983	selection.mark.row = row + view_start;
…		…
3232	/* 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 */
3233	#define DELIMIT_TEXT(x) \	3011	#define DELIMIT_TEXT(x) \
3234	(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)))
3235	#define DELIMIT_REND(x) 1	3013	#define DELIMIT_REND(x) 1
3236		3014
3237	void	3015	void ecb_cold
3238	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
3239	{	3017	{
3240	int col, row, dirnadd, tcol, trow, w1, w2;	3018	int col, row, dirnadd, tcol, trow, w1, w2;
3241	row_col_t bound;	3019	row_col_t bound;
3242	text_t *stp;	3020	text_t *stp;
…		…
3316	* EXT: button 3 press; button 1 or 3 drag	3094	* EXT: button 3 press; button 1 or 3 drag
3317	* flag == 0 ==> button 1	3095	* flag == 0 ==> button 1
3318	* flag == 1 ==> button 3 press	3096	* flag == 1 ==> button 3 press
3319	* flag == 2 ==> button 3 motion	3097	* flag == 2 ==> button 3 motion
3320	*/	3098	*/
3321	void	3099	void ecb_cold
3322	rxvt_term::selection_extend (int x, int y, int flag) NOTHROW	3100	rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
3323	{	3101	{
3324	int col = clamp (Pixel2Col (x), 0, ncol);	3102	int col = clamp (Pixel2Col (x), 0, ncol);
3325	int row = clamp (Pixel2Row (y), 0, nrow - 1);	3103	int row = clamp (Pixel2Row (y), 0, nrow - 1);
3326		3104
…		…
3352		3130
3353	/* ------------------------------------------------------------------------- */	3131	/* ------------------------------------------------------------------------- */
3354	/*	3132	/*
3355	* Extend the selection to the specified col/row	3133	* Extend the selection to the specified col/row
3356	*/	3134	*/
3357	void	3135	void ecb_cold
3358	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
3359	{	3137	{
3360	row_col_t pos;	3138	row_col_t pos;
3361	enum {	3139	enum {
3362	LEFT, RIGHT	3140	LEFT, RIGHT
…		…
3553	::swap (selection.beg.col, selection.end.col);	3331	::swap (selection.beg.col, selection.end.col);
3554	#endif	3332	#endif
3555	}	3333	}
3556		3334
3557	#if !ENABLE_MINIMAL	3335	#if !ENABLE_MINIMAL
3558	void	3336	void ecb_cold
3559	rxvt_term::selection_remove_trailing_spaces () NOTHROW	3337	rxvt_term::selection_remove_trailing_spaces () NOTHROW
3560	{	3338	{
3561	int32_t end_col, end_row;	3339	int32_t end_col, end_row;
3562	text_t *stp;	3340	text_t *stp;
3563		3341
…		…
3601	/* ------------------------------------------------------------------------- */	3379	/* ------------------------------------------------------------------------- */
3602	/*	3380	/*
3603	* Double click on button 3 when already selected	3381	* Double click on button 3 when already selected
3604	* EXT: button 3 double click	3382	* EXT: button 3 double click
3605	*/	3383	*/
3606	void	3384	void ecb_cold
3607	rxvt_term::selection_rotate (int x, int y) NOTHROW	3385	rxvt_term::selection_rotate (int x, int y) NOTHROW
3608	{	3386	{
3609	selection.clicks = selection.clicks % 3 + 1;	3387	selection.clicks = selection.clicks % 3 + 1;
3610	selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);	3388	selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3611	}	3389	}
…		…
3613	/* ------------------------------------------------------------------------- */	3391	/* ------------------------------------------------------------------------- */
3614	/*	3392	/*
3615	* Respond to a request for our current selection	3393	* Respond to a request for our current selection
3616	* EXT: SelectionRequest	3394	* EXT: SelectionRequest
3617	*/	3395	*/
3618	void	3396	void ecb_cold
3619	rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW	3397	rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3620	{	3398	{
		3399	Atom property = rq.property == None ? rq.target : rq.property;
3621	XSelectionEvent ev;	3400	XSelectionEvent ev;
3622		3401
3623	ev.type = SelectionNotify;	3402	ev.type = SelectionNotify;
3624	ev.property = None;	3403	ev.property = None;
3625	ev.display = rq.display;	3404	ev.display = rq.display;
…		…
3640	*target++ = xa[XA_COMPOUND_TEXT];	3419	*target++ = xa[XA_COMPOUND_TEXT];
3641	#if X_HAVE_UTF8_STRING	3420	#if X_HAVE_UTF8_STRING
3642	*target++ = xa[XA_UTF8_STRING];	3421	*target++ = xa[XA_UTF8_STRING];
3643	#endif	3422	#endif
3644		3423
3645	XChangeProperty (dpy, rq.requestor, rq.property, XA_ATOM,	3424	XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3646	32, PropModeReplace,	3425	32, PropModeReplace,
3647	(unsigned char *)target_list, target - target_list);	3426	(unsigned char *)target_list, target - target_list);
3648	ev.property = rq.property;	3427	ev.property = property;
3649	}	3428	}
3650	#if TODO // TODO	3429	#if TODO // TODO
3651	else if (rq.target == xa[XA_MULTIPLE])	3430	else if (rq.target == xa[XA_MULTIPLE])
3652	{	3431	{
3653	/* TODO: Handle MULTIPLE */	3432	/* TODO: Handle MULTIPLE */
3654	}	3433	}
3655	#endif	3434	#endif
3656	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)
3657	{	3436	{
3658	XChangeProperty (dpy, rq.requestor, rq.property, rq.target,	3437	XChangeProperty (dpy, rq.requestor, property, rq.target,
3659	32, PropModeReplace, (unsigned char *)&selection_time, 1);	3438	32, PropModeReplace, (unsigned char *)&selection_time, 1);
3660	ev.property = rq.property;	3439	ev.property = property;
3661	}	3440	}
3662	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)
3663	{	3442	{
3664	XChangeProperty (dpy, rq.requestor, rq.property, rq.target,	3443	XChangeProperty (dpy, rq.requestor, property, rq.target,
3665	32, PropModeReplace, (unsigned char *)&clipboard_time, 1);	3444	32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3666	ev.property = rq.property;	3445	ev.property = property;
3667	}	3446	}
3668	else if (rq.target == XA_STRING	3447	else if (rq.target == XA_STRING
3669	|| rq.target == xa[XA_TEXT]	3448	|| rq.target == xa[XA_TEXT]
3670	|| rq.target == xa[XA_COMPOUND_TEXT]	3449	|| rq.target == xa[XA_COMPOUND_TEXT]
3671	|| rq.target == xa[XA_UTF8_STRING]	3450	|| rq.target == xa[XA_UTF8_STRING]
…		…
3742	ct.value = (unsigned char *)cl;	3521	ct.value = (unsigned char *)cl;
3743	ct.nitems = selectlen;	3522	ct.nitems = selectlen;
3744	ct.encoding = target;	3523	ct.encoding = target;
3745	}	3524	}
3746		3525
3747	XChangeProperty (dpy, rq.requestor, rq.property,	3526	XChangeProperty (dpy, rq.requestor, property,
3748	ct.encoding, 8, PropModeReplace,	3527	ct.encoding, 8, PropModeReplace,
3749	ct.value, (int)ct.nitems);	3528	ct.value, (int)ct.nitems);
3750	ev.property = rq.property;	3529	ev.property = property;
3751		3530
3752	if (freect)	3531	if (freect)
3753	XFree (ct.value);	3532	XFree (ct.value);
3754	}	3533	}
3755		3534
3756	XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);	3535	XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3757	}	3536	}
3758		3537
3759	/* ------------------------------------------------------------------------- */	3538	/* ------------------------------------------------------------------------- */
3760	#ifdef USE_XIM	3539	#if USE_XIM
3761	void	3540	void ecb_cold
3762	rxvt_term::im_set_position (XPoint &pos) NOTHROW	3541	rxvt_term::im_set_position (XPoint &pos) NOTHROW
3763	{	3542	{
3764	XWindowAttributes xwa;	3543	XWindowAttributes xwa;
3765		3544
3766	XGetWindowAttributes (dpy, vt, &xwa);	3545	XGetWindowAttributes (dpy, vt, &xwa);

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