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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 1.430 by root, Sun Jan 13 20:16:40 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 = min (prev_swap_buf [row].l, ncol);
		289	swap_buf [row].f = prev_swap_buf [row].f;
270	{	290	}
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		291
278	int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row	292	int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
279	int pend = MOD (term_start + top_row , prev_total_rows);	293	int pend = MOD (term_start + top_row , prev_total_rows);
280	int q = total_rows; // rewrapped row	294	int q = total_rows; // rewrapped row
281		295
…		…
289	ocur.row = MOD (term_start + ocur.row, prev_total_rows);	303	ocur.row = MOD (term_start + ocur.row, prev_total_rows);
290		304
291	do	305	do
292	{	306	{
293	p = MOD (p - 1, prev_total_rows);	307	p = MOD (p - 1, prev_total_rows);
294	assert (old_buf [MOD (p, prev_total_rows)].t);	308	assert (prev_row_buf [MOD (p, prev_total_rows)].t);
295	int plines = 1;	309	int plines = 1;
296	int llen = old_buf [MOD (p, prev_total_rows)].l;	310	int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
297		311
298	while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())	312	while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
299	{	313	{
300	p = MOD (p - 1, prev_total_rows);	314	p = MOD (p - 1, prev_total_rows);
301		315
302	plines++;	316	plines++;
303	llen += prev_ncol;	317	llen += prev_ncol;
…		…
316		330
317	// re-assemble the full line by destination lines	331	// re-assemble the full line by destination lines
318	for (int qrow = q; qlines--; qrow++)	332	for (int qrow = q; qlines--; qrow++)
319	{	333	{
320	qline = row_buf + qrow;	334	qline = row_buf + qrow;
321	lalloc (*qline);	335	qline->alloc (); // redundant with next line
322	qline->l = ncol;	336	qline->l = ncol;
323	qline->is_longer (1);	337	qline->is_longer (1);
324		338
325	int qcol = 0;	339	int qcol = 0;
326		340
…		…
341	// this seems to upset applications/shells/readline	355	// this seems to upset applications/shells/readline
342	// least.	356	// least.
343	if (prow == ocur.row)	357	if (prow == ocur.row)
344	screen.cur.row = q - (total_rows - nrow);	358	screen.cur.row = q - (total_rows - nrow);
345		359
346	line_t &pline = old_buf [prow];	360	line_t &pline = prev_row_buf [prow];
347		361
348	int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);	362	int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
349		363
350	memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));	364	memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
351	memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));	365	memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
…		…
372	{	386	{
373	// if no scrollback exists (yet), wing, instead of wrap	387	// if no scrollback exists (yet), wing, instead of wrap
374		388
375	for (int row = min (nrow, prev_nrow); row--; )	389	for (int row = min (nrow, prev_nrow); row--; )
376	{	390	{
377	line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)];	391	line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)];
378	line_t &qline = row_buf [row];	392	line_t &dst = row_buf [row];
379		393
380	qline = pline;	394	scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
381	lresize (qline);	395
		396	memcpy (dst.t, src.t, sizeof (text_t) * common_col);
		397	memcpy (dst.r, src.r, sizeof (rend_t) * common_col);
		398	dst.l = common_col;
382	}	399	}
383		400
384	for (int row = prev_nrow; row < nrow; row++)	401	for (int row = prev_nrow; row < nrow; row++)
385	{
386	row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);	402	scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
387	}
388		403
389	term_start = 0;	404	term_start = 0;
390	}	405	}
391
392	free (old_buf);
393	delete old_ta;
394	delete old_ra;
395		406
396	clamp_it (screen.cur.row, 0, nrow - 1);	407	clamp_it (screen.cur.row, 0, nrow - 1);
397	clamp_it (screen.cur.col, 0, ncol - 1);	408	clamp_it (screen.cur.col, 0, ncol - 1);
398	}	409	}
399		410
		411	for (int row = nrow; row--; )
		412	{
		413	if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
		414	if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
		415	if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
		416	}
		417
		418	chunk_free (prev_chunk, prev_chunk_size);
		419
400	free (tabs);	420	free (tabs);
401	tabs = (char *)rxvt_malloc (ncol);	421	tabs = (char *)rxvt_malloc (ncol);
402		422
403	for (int col = ncol; --col; )	423	for (int col = ncol; col--; )
404	tabs [col] = col % TABSIZE == 0;	424	tabs [col] = col % TABSIZE == 0;
405		425
406	CLEAR_ALL_SELECTION ();	426	CLEAR_ALL_SELECTION ();
407		427
408	prev_nrow = nrow;	428	prev_nrow = nrow;
…		…
411	tt_winch ();	431	tt_winch ();
412		432
413	HOOK_INVOKE ((this, HOOK_RESET, DT_END));	433	HOOK_INVOKE ((this, HOOK_RESET, DT_END));
414	}	434	}
415		435
416	/* ------------------------------------------------------------------------- */	436	void ecb_cold
417	/*
418	* Free everything. That way malloc debugging can find leakage.
419	*/
420	void
421	rxvt_term::scr_release () NOTHROW	437	rxvt_term::scr_release () NOTHROW
422	{	438	{
423	if (row_buf)	439	chunk_free (chunk, chunk_size);
424	{	440	chunk = 0;
425	delete talloc; talloc = 0;	441	row_buf = 0;
426	delete ralloc; ralloc = 0;
427		442
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);	443	free (tabs);
434	tabs = 0;	444	tabs = 0;
435	}
436	}	445	}
437		446
438	/* ------------------------------------------------------------------------- */	447	/* ------------------------------------------------------------------------- */
439	/*	448	/*
440	* Hard/Soft reset	449	* Hard/Soft reset
441	*/	450	*/
442	void	451	void ecb_cold
443	rxvt_term::scr_poweron ()	452	rxvt_term::scr_poweron ()
444	{	453	{
445	scr_release ();	454	scr_release ();
		455
446	prev_nrow = prev_ncol = 0;	456	prev_nrow = prev_ncol = 0;
447	rvideo_mode = false;	457	rvideo_mode = false;
448	scr_soft_reset ();	458	scr_soft_reset ();
449	scr_reset ();	459	scr_reset ();
450		460
451	scr_clear (true);	461	scr_clear (true);
452	scr_refresh ();	462	scr_refresh ();
453	}	463	}
454		464
455	void	465	void ecb_cold
456	rxvt_term::scr_soft_reset ()	466	rxvt_term::scr_soft_reset () NOTHROW
457	{	467	{
458	/* only affects modes, nothing drastic such as clearing the screen */	468	/* only affects modes, nothing drastic such as clearing the screen */
459	#if ENABLE_OVERLAY	469	#if ENABLE_OVERLAY
460	scr_overlay_off ();	470	scr_overlay_off ();
461	#endif	471	#endif
…		…
516	assert (s->cur.row >= 0);	526	assert (s->cur.row >= 0);
517	assert (s->cur.col >= 0);	527	assert (s->cur.col >= 0);
518	}	528	}
519		529
520	void	530	void
521	rxvt_term::scr_swap_screen ()	531	rxvt_term::scr_swap_screen () NOTHROW
522	{	532	{
523	if (!option (Opt_secondaryScreen))	533	if (!option (Opt_secondaryScreen))
524	return;	534	return;
525		535
526	for (int i = prev_nrow; i--; )	536	for (int i = prev_nrow; i--; )
…		…
545	return;	555	return;
546		556
547	want_refresh = 1;	557	want_refresh = 1;
548	view_start = 0;	558	view_start = 0;
549		559
550	selection_check (2); /* check for boundary cross */	560	/* check for boundary cross */
		561	row_col_t pos;
		562	pos.row = pos.col = 0;
		563	if (ROWCOL_IS_BEFORE (selection.beg, pos)
		564	&& ROWCOL_IS_AFTER (selection.end, pos))
		565	CLEAR_SELECTION ();
551		566
552	current_screen = scrn;	567	current_screen = scrn;
553		568
554	#if NSCREENS	569	#if NSCREENS
555	if (option (Opt_secondaryScreen))	570	if (option (Opt_secondaryScreen))
…		…
621	/*	636	/*
622	* Scroll text between <row1> and <row2> inclusive, by <count> lines	637	* Scroll text between <row1> and <row2> inclusive, by <count> lines
623	* count positive ==> scroll up	638	* count positive ==> scroll up
624	* count negative ==> scroll down	639	* count negative ==> scroll down
625	*/	640	*/
626	int	641	int ecb_hot
627	rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW	642	rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
628	{	643	{
629	if (count == 0 || (row1 > row2))	644	if (count == 0 || (row1 > row2))
630	return 0;	645	return 0;
631		646
…		…
634		649
635	if (count > 0	650	if (count > 0
636	&& row1 == 0	651	&& row1 == 0
637	&& (current_screen == PRIMARY || option (Opt_secondaryScroll)))	652	&& (current_screen == PRIMARY || option (Opt_secondaryScroll)))
638	{	653	{
		654	min_it (count, total_rows - (nrow - (row2 + 1)));
		655
639	top_row = max (top_row - count, -saveLines);	656	top_row = max (top_row - count, -saveLines);
640
641	// scroll everything up 'count' lines
642	term_start = (term_start + count) % total_rows;
643		657
644	// sever bottommost line	658	// sever bottommost line
645	{	659	{
646	line_t &l = ROW(row2 - count);	660	line_t &l = ROW(row2);
647	l.is_longer (0);	661	l.is_longer (0);
648	l.touch ();	662	l.touch ();
649	}	663	}
650		664
		665	// scroll everything up 'count' lines
		666	term_start = (term_start + count) % total_rows;
		667
		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
651	// erase newly scrolled-in lines	680	// erase newly scrolled-in lines
652	for (int i = count; i--; )	681	for (int i = count; i--; )
653	{	682	{
654	line_t &l = ROW(nrow - 1 - i);	683	line_t &l = ROW(row2 - i);
655		684
656	// optimize if already cleared, can be significant on slow machines	685	// optimise if already cleared, can be significant on slow machines
657	// could be rolled into scr_blank_screen_mem	686	// 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)))	687	if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
659	{	688	{
660	scr_blank_line (l, 0, l.l, rstyle);	689	scr_blank_line (l, 0, l.l, rstyle);
661	l.l = 0;	690	l.l = 0;
…		…
663	}	692	}
664	else	693	else
665	scr_blank_screen_mem (l, rstyle);	694	scr_blank_screen_mem (l, rstyle);
666	}	695	}
667		696
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	697	// move and/or clear selection, if any
681	if (selection.op && current_screen == selection.screen)	698	if (selection.op && current_screen == selection.screen
		699	&& selection.beg.row <= row2)
682	{	700	{
683	selection.beg.row -= count;	701	selection.beg.row -= count;
684	selection.end.row -= count;	702	selection.end.row -= count;
685	selection.mark.row -= count;	703	selection.mark.row -= count;
686		704
687	if (selection.beg.row < top_row	705	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	}	706	}
695		707
696	// finally move the view window, if desired	708	// finally move the view window, if desired
697	if (option (Opt_scrollWithBuffer)	709	if (option (Opt_scrollWithBuffer)
698	&& view_start != 0	710	&& view_start != 0
…		…
728	}	740	}
729		741
730	// use a simple and robust scrolling algorithm, this	742	// use a simple and robust scrolling algorithm, this
731	// part of scr_scroll_text is not time-critical.	743	// part of scr_scroll_text is not time-critical.
732		744
		745	// sever line above scroll region
		746	if (row1)
		747	{
		748	line_t &l = ROW(row1 - 1);
		749	l.is_longer (0);
		750	l.touch ();
		751	}
		752
733	int rows = row2 - row1 + 1;	753	int rows = row2 - row1 + 1;
734		754
735	min_it (count, rows);	755	min_it (count, rows);
736		756
737	line_t *temp_buf = row_buf + total_rows;	757	line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
738		758
739	for (int row = 0; row < rows; row++)	759	for (int row = 0; row < rows; row++)
740	{	760	{
741	temp_buf [row] = ROW(row1 + (row + count + rows) % rows);	761	temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
742		762
…		…
744	scr_blank_screen_mem (temp_buf [row], rstyle);	764	scr_blank_screen_mem (temp_buf [row], rstyle);
745	}	765	}
746		766
747	for (int row = 0; row < rows; row++)	767	for (int row = 0; row < rows; row++)
748	ROW(row1 + row) = temp_buf [row];	768	ROW(row1 + row) = temp_buf [row];
		769
		770	// sever bottommost line
		771	{
		772	line_t &l = ROW(row2);
		773	l.is_longer (0);
		774	l.touch ();
		775	}
749	}	776	}
750		777
751	return count;	778	return count;
752	}	779	}
753		780
754	/* ------------------------------------------------------------------------- */	781	/* ------------------------------------------------------------------------- */
755	/*	782	/*
756	* Add text given in <str> of length <len> to screen struct	783	* Add text given in <str> of length <len> to screen struct
757	*/	784	*/
758	void	785	void ecb_hot
759	rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW	786	rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
760	{	787	{
761	if (len <= 0) /* sanity */	788	if (len <= 0) /* sanity */
762	return;	789	return;
763		790
764	unsigned char checksel;	791	bool checksel;
765	unicode_t c;	792	unicode_t c;
766	int ncol = this->ncol;	793	int ncol = this->ncol;
767	const wchar_t *strend = str + len;	794	const wchar_t *strend = str + len;
768		795
769	want_refresh = 1;	796	want_refresh = 1;
…		…
795		822
796	while (str < strend)	823	while (str < strend)
797	{	824	{
798	c = (unicode_t)*str++; // convert to rxvt-unicodes representation	825	c = (unicode_t)*str++; // convert to rxvt-unicodes representation
799		826
800	if (expect_false (c < 0x20))	827	if (ecb_unlikely (c < 0x20))
801	if (c == C0_LF)	828	if (c == C0_LF)
802	{	829	{
803	max_it (line->l, screen.cur.col);	830	max_it (line->l, screen.cur.col);
804		831
805	screen.flags &= ~Screen_WrapNext;	832	screen.flags &= ~Screen_WrapNext;
…		…
824	{	851	{
825	scr_tab (1, true);	852	scr_tab (1, true);
826	continue;	853	continue;
827	}	854	}
828		855
829	if (expect_false (	856	if (ecb_unlikely (
830	checksel /* see if we're writing within selection */	857	checksel /* see if we're writing within selection */
831	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)	858	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
832	&& ROWCOL_IS_BEFORE (screen.cur, selection.end)	859	&& ROWCOL_IS_BEFORE (screen.cur, selection.end)
833	))	860	))
834	{	861	{
…		…
839	* should be a similar check.	866	* should be a similar check.
840	*/	867	*/
841	CLEAR_SELECTION ();	868	CLEAR_SELECTION ();
842	}	869	}
843		870
844	if (expect_false (screen.flags & Screen_WrapNext))	871	if (ecb_unlikely (screen.flags & Screen_WrapNext))
845	{	872	{
846	scr_do_wrap ();	873	scr_do_wrap ();
847		874
848	line->l = ncol;	875	line->l = ncol;
849	line->is_longer (1);	876	line->is_longer (1);
…		…
851	row = screen.cur.row;	878	row = screen.cur.row;
852	line = &ROW(row); /* _must_ refresh */	879	line = &ROW(row); /* _must_ refresh */
853	}	880	}
854		881
855	// some utf-8 decoders "decode" surrogate characters: let's fix this.	882	// some utf-8 decoders "decode" surrogate characters: let's fix this.
856	if (expect_false (IN_RANGE_INC (c, 0xd800, 0xdfff)))	883	if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
857	c = 0xfffd;	884	c = 0xfffd;
858		885
859	// rely on wcwidth to tell us the character width, do wcwidth before	886	// rely on wcwidth to tell us the character width, do wcwidth before
860	// further replacements, as wcwidth might return -1 for the line	887	// further replacements, as wcwidth might return -1 for the line
861	// drawing characters below as they might be invalid in the current	888	// drawing characters below as they might be invalid in the current
862	// locale.	889	// locale.
863	int width = WCWIDTH (c);	890	int width = WCWIDTH (c);
864		891
865	if (expect_false (charsets [screen.charset] == '0')) // DEC SPECIAL	892	if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
866	{	893	{
867	// vt100 special graphics and line drawing	894	// vt100 special graphics and line drawing
868	// 5f-7e standard vt100	895	// 5f-7e standard vt100
869	// 40-5e rxvt extension for extra curses acs chars	896	// 40-5e rxvt extension for extra curses acs chars
870	static uint16_t vt100_0[62] = { // 41 .. 7e	897	static uint16_t vt100_0[62] = { // 41 .. 7e
…		…
883	c = vt100_0[c - 0x41];	910	c = vt100_0[c - 0x41];
884	width = 1; // vt100 line drawing characters are always single-width	911	width = 1; // vt100 line drawing characters are always single-width
885	}	912	}
886	}	913	}
887		914
888	if (expect_false (screen.flags & Screen_Insert))	915	if (ecb_unlikely (screen.flags & Screen_Insert))
889	scr_insdel_chars (width, INSERT);	916	scr_insdel_chars (width, INSERT);
890		917
891	if (width != 0)	918	if (width != 0)
892	{	919	{
893	#if !UNICODE_3	920	#if !UNICODE_3
…		…
898	# else	925	# else
899	c = 0xfffd;	926	c = 0xfffd;
900	# endif	927	# endif
901	#endif	928	#endif
902		929
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));	930	rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
912		931
913	// if the character doesn't fit into the remaining columns...	932	// if the character doesn't fit into the remaining columns...
914	if (expect_false (screen.cur.col > ncol - width && ncol >= width))	933	if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
915	{	934	{
916	if (screen.flags & Screen_Autowrap)	935	if (screen.flags & Screen_Autowrap)
917	{	936	{
918	// ... artificially enlargen the previous one	937	// ... artificially enlargen the previous one
919	c = NOCHAR;	938	c = NOCHAR;
…		…
922	}	941	}
923	else	942	else
924	screen.cur.col = ncol - width;	943	screen.cur.col = ncol - width;
925	}	944	}
926		945
		946	// nuke the character at this position, if required
		947	// due to wonderful coincidences everywhere else in this loop
		948	// we never have to check for overwriting a wide char itself,
		949	// only its tail.
		950	if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
		951	scr_kill_char (*line, screen.cur.col);
		952
927	line->touch ();	953	line->touch ();
928		954
929	do	955	do
930	{	956	{
931	line->t[screen.cur.col] = c;	957	line->t[screen.cur.col] = c;
932	line->r[screen.cur.col] = rend;	958	line->r[screen.cur.col] = rend;
933		959
934	if (expect_true (screen.cur.col < ncol - 1))	960	if (ecb_likely (screen.cur.col < ncol - 1))
935	screen.cur.col++;	961	screen.cur.col++;
936	else	962	else
937	{	963	{
938	line->l = ncol;	964	line->l = ncol;
939	if (screen.flags & Screen_Autowrap)	965	if (screen.flags & Screen_Autowrap)
940	screen.flags |= Screen_WrapNext;	966	screen.flags |= Screen_WrapNext;
941	break;	967
		968	goto end_of_line;
942	}	969	}
943		970
944	c = NOCHAR;	971	c = NOCHAR;
945	}	972	}
946	while (expect_false (--width > 0));	973	while (ecb_unlikely (--width > 0));
947		974
948	// pad with spaces when overwriting wide character with smaller one	975	// pad with spaces when overwriting wide character with smaller one
949	if (expect_false (!width))	976	for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
950	{	977	{
951	line->touch ();
952
953	for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)
954	{
955	line->t[c] = ' ';	978	line->t[c] = ' ';
956	line->r[c] = rend;	979	line->r[c] = rend;
957	}
958	}	980	}
		981
		982	end_of_line:
		983	;
959	}	984	}
960	#if ENABLE_COMBINING	985	#if ENABLE_COMBINING
961	else // width == 0	986	else // width == 0
962	{	987	{
963	if (c != 0xfeff) // ignore BOM	988	if (c != 0xfeff) // ignore BOM
…		…
1026		1051
1027	want_refresh = 1;	1052	want_refresh = 1;
1028	#endif	1053	#endif
1029	}	1054	}
1030	}	1055	}
		1056	else if (screen.flags & Screen_WrapNext)
		1057	screen.flags &= ~Screen_WrapNext;
1031	else	1058	else
1032	scr_gotorc (0, -1, RELATIVE);	1059	scr_gotorc (0, -1, RELATIVE);
1033	}	1060	}
1034		1061
1035	/* ------------------------------------------------------------------------- */	1062	/* ------------------------------------------------------------------------- */
…		…
1113	* XTERM_SEQ: ESC 6	1140	* XTERM_SEQ: ESC 6
1114	* Move cursor left in row. If we're at the left boundary, shift everything	1141	* Move cursor left in row. If we're at the left boundary, shift everything
1115	* in that row right. Clear left column.	1142	* in that row right. Clear left column.
1116	*/	1143	*/
1117	#if !ENABLE_MINIMAL	1144	#if !ENABLE_MINIMAL
1118	void	1145	void ecb_cold
1119	rxvt_term::scr_backindex () NOTHROW	1146	rxvt_term::scr_backindex () NOTHROW
1120	{	1147	{
1121	if (screen.cur.col > 0)	1148	if (screen.cur.col > 0)
1122	scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);	1149	scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1123	else	1150	else
…		…
1130	* XTERM_SEQ: ESC 9	1157	* XTERM_SEQ: ESC 9
1131	* Move cursor right in row. If we're at the right boundary, shift everything	1158	* Move cursor right in row. If we're at the right boundary, shift everything
1132	* in that row left. Clear right column.	1159	* in that row left. Clear right column.
1133	*/	1160	*/
1134	#if !ENABLE_MINIMAL	1161	#if !ENABLE_MINIMAL
1135	void	1162	void ecb_cold
1136	rxvt_term::scr_forwardindex () NOTHROW	1163	rxvt_term::scr_forwardindex () NOTHROW
1137	{	1164	{
1138	if (screen.cur.col < ncol - 1)	1165	if (screen.cur.col < ncol - 1)
1139	scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);	1166	scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1140	else	1167	else
…		…
1291	scr_blank_line (line, col, num, rstyle);	1318	scr_blank_line (line, col, num, rstyle);
1292	}	1319	}
1293		1320
1294	/* ------------------------------------------------------------------------- */	1321	/* ------------------------------------------------------------------------- */
1295	/*	1322	/*
1296	* Erase part of whole of the screen	1323	* Erase part or whole of the screen
1297	* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J	1324	* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1298	* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J	1325	* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1299	* XTERM_SEQ: Clear whole screen : ESC [ 2 J	1326	* XTERM_SEQ: Clear whole screen : ESC [ 2 J
1300	*/	1327	*/
1301	void	1328	void
…		…
1310	ZERO_SCROLLBACK ();	1337	ZERO_SCROLLBACK ();
1311		1338
1312	switch (mode)	1339	switch (mode)
1313	{	1340	{
1314	case 0: /* erase to end of screen */	1341	case 0: /* erase to end of screen */
1315	selection_check (1);
1316	scr_erase_line (0);	1342	scr_erase_line (0);
1317	row = screen.cur.row + 1; /* possible OOB */	1343	row = screen.cur.row + 1; /* possible OOB */
1318	num = nrow - row;	1344	num = nrow - row;
1319	break;	1345	break;
1320	case 1: /* erase to beginning of screen */	1346	case 1: /* erase to beginning of screen */
1321	selection_check (3);
1322	scr_erase_line (1);	1347	scr_erase_line (1);
1323	row = 0;	1348	row = 0;
1324	num = screen.cur.row;	1349	num = screen.cur.row;
1325	break;	1350	break;
1326	case 2: /* erase whole screen */	1351	case 2: /* erase whole screen */
1327	selection_check (3);
1328	row = 0;	1352	row = 0;
1329	num = nrow;	1353	num = nrow;
1330	break;	1354	break;
1331	default:	1355	default:
1332	return;	1356	return;
…		…
1349	{	1373	{
1350	ren = DEFAULT_RSTYLE;	1374	ren = DEFAULT_RSTYLE;
1351		1375
1352	if (mapped)	1376	if (mapped)
1353	XClearArea (dpy, vt, 0,	1377	XClearArea (dpy, vt, 0,
1354	Row2Pixel (row - view_start), (unsigned int)width,	1378	Row2Pixel (row - view_start), (unsigned int)vt_width,
1355	(unsigned int)Height2Pixel (num), False);	1379	(unsigned int)Height2Pixel (num), False);
1356	}	1380	}
1357	else	1381	else
1358	{	1382	{
1359	ren = rstyle & (RS_fgMask | RS_bgMask);	1383	ren = rstyle & (RS_fgMask | RS_bgMask);
…		…
1362	{	1386	{
1363	gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];	1387	gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1364	XChangeGC (dpy, gc, GCForeground, &gcvalue);	1388	XChangeGC (dpy, gc, GCForeground, &gcvalue);
1365	XFillRectangle (dpy, vt, gc,	1389	XFillRectangle (dpy, vt, gc,
1366	0, Row2Pixel (row - view_start),	1390	0, Row2Pixel (row - view_start),
1367	(unsigned int)width,	1391	(unsigned int)vt_width,
1368	(unsigned int)Height2Pixel (num));	1392	(unsigned int)Height2Pixel (num));
1369	gcvalue.foreground = pix_colors[Color_fg];	1393	gcvalue.foreground = pix_colors[Color_fg];
1370	XChangeGC (dpy, gc, GCForeground, &gcvalue);	1394	XChangeGC (dpy, gc, GCForeground, &gcvalue);
1371	}	1395	}
1372	}	1396	}
…		…
1394	/* ------------------------------------------------------------------------- */	1418	/* ------------------------------------------------------------------------- */
1395	/*	1419	/*
1396	* Fill the screen with `E's	1420	* Fill the screen with `E's
1397	* XTERM_SEQ: Screen Alignment Test: ESC # 8	1421	* XTERM_SEQ: Screen Alignment Test: ESC # 8
1398	*/	1422	*/
1399	void	1423	void ecb_cold
1400	rxvt_term::scr_E () NOTHROW	1424	rxvt_term::scr_E () NOTHROW
1401	{	1425	{
1402	rend_t fs;	1426	rend_t fs;
1403		1427
1404	want_refresh = 1;	1428	want_refresh = 1;
1405	ZERO_SCROLLBACK ();	1429	ZERO_SCROLLBACK ();
1406		1430
1407	num_scr_allow = 0;	1431	num_scr_allow = 0;
1408	selection_check (3);	1432
		1433	row_col_t pos;
		1434	pos.row = pos.col = 0;
		1435	if (ROWCOL_IS_AFTER (selection.end, pos))
		1436	CLEAR_SELECTION ();
1409		1437
1410	fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));	1438	fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1411	for (int row = nrow; row--; )	1439	for (int row = nrow; row--; )
1412	{	1440	{
1413	line_t &line = ROW(row);	1441	line_t &line = ROW(row);
…		…
1564	/* ------------------------------------------------------------------------- */	1592	/* ------------------------------------------------------------------------- */
1565	/*	1593	/*
1566	* Set the scrolling region	1594	* Set the scrolling region
1567	* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r	1595	* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1568	*/	1596	*/
1569	void	1597	void ecb_cold
1570	rxvt_term::scr_scroll_region (int top, int bot) NOTHROW	1598	rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1571	{	1599	{
1572	max_it (top, 0);	1600	max_it (top, 0);
1573	min_it (bot, nrow - 1);	1601	min_it (bot, nrow - 1);
1574		1602
…		…
1584	/*	1612	/*
1585	* Make the cursor visible/invisible	1613	* Make the cursor visible/invisible
1586	* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h	1614	* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1587	* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l	1615	* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1588	*/	1616	*/
1589	void	1617	void ecb_cold
1590	rxvt_term::scr_cursor_visible (int mode) NOTHROW	1618	rxvt_term::scr_cursor_visible (int mode) NOTHROW
1591	{	1619	{
1592	want_refresh = 1;	1620	want_refresh = 1;
1593		1621
1594	if (mode)	1622	if (mode)
…		…
1601	/*	1629	/*
1602	* Set/unset automatic wrapping	1630	* Set/unset automatic wrapping
1603	* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h	1631	* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1604	* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l	1632	* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1605	*/	1633	*/
1606	void	1634	void ecb_cold
1607	rxvt_term::scr_autowrap (int mode) NOTHROW	1635	rxvt_term::scr_autowrap (int mode) NOTHROW
1608	{	1636	{
1609	if (mode)	1637	if (mode)
1610	screen.flags |= Screen_Autowrap;	1638	screen.flags |= Screen_Autowrap;
1611	else	1639	else
…		…
1620	* Relative mode: line numbers are relative to top margin of scrolling region	1648	* Relative mode: line numbers are relative to top margin of scrolling region
1621	* and the cursor cannot be moved outside.	1649	* and the cursor cannot be moved outside.
1622	* XTERM_SEQ: Set Absolute: ESC [ ? 6 h	1650	* XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1623	* XTERM_SEQ: Set Relative: ESC [ ? 6 l	1651	* XTERM_SEQ: Set Relative: ESC [ ? 6 l
1624	*/	1652	*/
1625	void	1653	void ecb_cold
1626	rxvt_term::scr_relative_origin (int mode) NOTHROW	1654	rxvt_term::scr_relative_origin (int mode) NOTHROW
1627	{	1655	{
1628	if (mode)	1656	if (mode)
1629	screen.flags |= Screen_Relative;	1657	screen.flags |= Screen_Relative;
1630	else	1658	else
…		…
1637	/*	1665	/*
1638	* Set insert/replace mode	1666	* Set insert/replace mode
1639	* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h	1667	* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1640	* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l	1668	* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1641	*/	1669	*/
1642	void	1670	void ecb_cold
1643	rxvt_term::scr_insert_mode (int mode) NOTHROW	1671	rxvt_term::scr_insert_mode (int mode) NOTHROW
1644	{	1672	{
1645	if (mode)	1673	if (mode)
1646	screen.flags |= Screen_Insert;	1674	screen.flags |= Screen_Insert;
1647	else	1675	else
…		…
1653	* Set/Unset tabs	1681	* Set/Unset tabs
1654	* XTERM_SEQ: Set tab at current column : ESC H	1682	* XTERM_SEQ: Set tab at current column : ESC H
1655	* XTERM_SEQ: Clear tab at current column: ESC [ 0 g	1683	* XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1656	* XTERM_SEQ: Clear all tabs : ESC [ 3 g	1684	* XTERM_SEQ: Clear all tabs : ESC [ 3 g
1657	*/	1685	*/
1658	void	1686	void ecb_cold
1659	rxvt_term::scr_set_tab (int mode) NOTHROW	1687	rxvt_term::scr_set_tab (int mode) NOTHROW
1660	{	1688	{
1661	if (mode < 0)	1689	if (mode < 0)
1662	memset (tabs, 0, ncol);	1690	memset (tabs, 0, ncol);
1663	else if (screen.cur.col < ncol)	1691	else if (screen.cur.col < ncol)
…		…
1682	if (rvideo_state != on)	1710	if (rvideo_state != on)
1683	{	1711	{
1684	rvideo_state = on;	1712	rvideo_state = on;
1685		1713
1686	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);	1714	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1687	#ifdef HAVE_BG_PIXMAP	1715	#ifdef HAVE_IMG
1688	if (bgPixmap.pixmap == None)	1716	if (bg_img == 0)
1689	#endif	1717	#endif
1690	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);	1718	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1691		1719
1692	XGCValues gcvalue;	1720	XGCValues gcvalue;
1693	gcvalue.foreground = pix_colors[Color_fg];	1721	gcvalue.foreground = pix_colors[Color_fg];
…		…
1702	/* ------------------------------------------------------------------------- */	1730	/* ------------------------------------------------------------------------- */
1703	/*	1731	/*
1704	* Report current cursor position	1732	* Report current cursor position
1705	* XTERM_SEQ: Report position: ESC [ 6 n	1733	* XTERM_SEQ: Report position: ESC [ 6 n
1706	*/	1734	*/
1707	void	1735	void ecb_cold
1708	rxvt_term::scr_report_position () NOTHROW	1736	rxvt_term::scr_report_position () NOTHROW
1709	{	1737	{
1710	tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);	1738	tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1711	}	1739	}
1712		1740
…		…
1715	* ------------------------------------------------------------------------- */	1743	* ------------------------------------------------------------------------- */
1716		1744
1717	/*	1745	/*
1718	* Set font style	1746	* Set font style
1719	*/	1747	*/
1720	void	1748	void ecb_cold
1721	rxvt_term::set_font_style () NOTHROW	1749	rxvt_term::set_font_style () NOTHROW
1722	{	1750	{
1723	#if 0	1751	#if 0
1724	switch (charsets [screen.charset])	1752	switch (charsets [screen.charset])
1725	{	1753	{
…		…
1747	* XTERM_SEQ: Invoke G0 character set: CTRL-O	1775	* XTERM_SEQ: Invoke G0 character set: CTRL-O
1748	* XTERM_SEQ: Invoke G1 character set: CTRL-N	1776	* XTERM_SEQ: Invoke G1 character set: CTRL-N
1749	* XTERM_SEQ: Invoke G2 character set: ESC N	1777	* XTERM_SEQ: Invoke G2 character set: ESC N
1750	* XTERM_SEQ: Invoke G3 character set: ESC O	1778	* XTERM_SEQ: Invoke G3 character set: ESC O
1751	*/	1779	*/
1752	void	1780	void ecb_cold
1753	rxvt_term::scr_charset_choose (int set) NOTHROW	1781	rxvt_term::scr_charset_choose (int set) NOTHROW
1754	{	1782	{
1755	screen.charset = set;	1783	screen.charset = set;
1756	set_font_style ();	1784	set_font_style ();
1757	}	1785	}
…		…
1778	* ------------------------------------------------------------------------- */	1806	* ------------------------------------------------------------------------- */
1779		1807
1780	/*	1808	/*
1781	* refresh matching text.	1809	* refresh matching text.
1782	*/	1810	*/
1783	bool	1811	bool ecb_cold
1784	rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW	1812	rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1785	{	1813	{
1786	bool found = false;	1814	bool found = false;
1787		1815
1788	for (int i = 0; i < nrow; i++)	1816	for (int i = 0; i < nrow; i++)
…		…
1807	PART_BEG = 0,	1835	PART_BEG = 0,
1808	PART_END,	1836	PART_END,
1809	RC_COUNT	1837	RC_COUNT
1810	};	1838	};
1811		1839
1812	void	1840	void ecb_hot
1813	rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW	1841	rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1814	{	1842	{
1815	int i;	1843	int i;
1816	row_col_t rc[RC_COUNT];	1844	row_col_t rc[RC_COUNT];
1817		1845
…		…
1854	* Refresh the entire screen	1882	* Refresh the entire screen
1855	*/	1883	*/
1856	void	1884	void
1857	rxvt_term::scr_touch (bool refresh) NOTHROW	1885	rxvt_term::scr_touch (bool refresh) NOTHROW
1858	{	1886	{
1859	scr_expose (0, 0, width, height, refresh);	1887	scr_expose (0, 0, vt_width, vt_height, refresh);
1860	}	1888	}
1861		1889
1862	/* ------------------------------------------------------------------------- */	1890	/* ------------------------------------------------------------------------- */
1863	/*	1891	/*
1864	* Move the display so that the line represented by scrollbar value Y is at	1892	* Move the display so that the line represented by scrollbar value Y is at
…		…
1920		1948
1921	# ifndef NO_MAPALERT	1949	# ifndef NO_MAPALERT
1922	# ifdef MAPALERT_OPTION	1950	# ifdef MAPALERT_OPTION
1923	if (option (Opt_mapAlert))	1951	if (option (Opt_mapAlert))
1924	# endif	1952	# endif
1925	XMapWindow (dpy, parent[0]);	1953	XMapWindow (dpy, parent);
1926	# endif	1954	# endif
1927		1955
1928	# if ENABLE_FRILLS	1956	# if ENABLE_FRILLS
1929	if (option (Opt_urgentOnBell))	1957	if (option (Opt_urgentOnBell))
1930	set_urgency (1);	1958	set_urgency (1);
…		…
1943	HOOK_INVOKE ((this, HOOK_BELL, DT_END));	1971	HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1944	#endif	1972	#endif
1945	}	1973	}
1946		1974
1947	/* ------------------------------------------------------------------------- */	1975	/* ------------------------------------------------------------------------- */
1948	/* ARGSUSED */	1976	void ecb_cold
1949	void
1950	rxvt_term::scr_printscreen (int fullhist) NOTHROW	1977	rxvt_term::scr_printscreen (int fullhist) NOTHROW
1951	{	1978	{
1952	#ifdef PRINTPIPE	1979	#ifdef PRINTPIPE
1953	int nrows, row_start;	1980	int nrows, row_start;
1954	FILE *fd = popen_printer ();	1981	FILE *fd = popen_printer ();
…		…
2003	/*	2030	/*
2004	* Refresh the screen	2031	* Refresh the screen
2005	* drawn_text/drawn_rend contain the screen information before the update.	2032	* drawn_text/drawn_rend contain the screen information before the update.
2006	* screen.text/screen.rend contain what the screen will change to.	2033	* screen.text/screen.rend contain what the screen will change to.
2007	*/	2034	*/
2008	void	2035	void ecb_hot
2009	rxvt_term::scr_refresh () NOTHROW	2036	rxvt_term::scr_refresh () NOTHROW
2010	{	2037	{
2011	int16_t col, row, /* column/row we're processing */	2038	int16_t col, row, /* column/row we're processing */
2012	ocrow; /* old cursor row */	2039	ocrow; /* old cursor row */
2013	int i; /* tmp */	2040	int i; /* tmp */
…		…
2027	* A: set up vars	2054	* A: set up vars
2028	*/	2055	*/
2029	refresh_count = 0;	2056	refresh_count = 0;
2030		2057
2031	unsigned int old_screen_flags = screen.flags;	2058	unsigned int old_screen_flags = screen.flags;
2032	char have_bg = 0;	2059	bool have_bg = 0;
2033	#ifdef HAVE_BG_PIXMAP	2060	#ifdef HAVE_IMG
2034	have_bg = bgPixmap.pixmap != None;	2061	have_bg = bg_img != 0;
2035	#endif	2062	#endif
2036	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */	2063	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2037		2064
2038	/*	2065	/*
2039	* B: reverse any characters which are selected	2066	* B: reverse any characters which are selected
…		…
2043	HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));	2070	HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2044	#if ENABLE_OVERLAY	2071	#if ENABLE_OVERLAY
2045	scr_swap_overlay ();	2072	scr_swap_overlay ();
2046	#endif	2073	#endif
2047		2074
2048	char showcursor = screen.flags & Screen_VisibleCursor;	2075	bool showcursor = screen.flags & Screen_VisibleCursor;
2049		2076
2050	/*	2077	/*
2051	* C: set the cursor character (s)	2078	* C: set the cursor character (s)
2052	*/	2079	*/
2053	{	2080	{
2054	unsigned char setoldcursor;	2081	bool setoldcursor;
2055		2082
2056	#ifdef CURSOR_BLINK	2083	#ifdef CURSOR_BLINK
2057	if (hidden_cursor)	2084	if (hidden_cursor)
2058	showcursor = 0;	2085	showcursor = 0;
2059	#endif	2086	#endif
…		…
2146	{	2173	{
2147	int16_t nits;	2174	int16_t nits;
2148	int i = num_scr;	2175	int i = num_scr;
2149	int j;	2176	int j;
2150	int len, wlen;	2177	int len, wlen;
2151	dLocal (int, num_scr);
2152		2178
2153	j = nrow;	2179	j = nrow;
2154	wlen = len = -1;	2180	wlen = len = -1;
2155	row = i > 0 ? 0 : j - 1;	2181	row = i > 0 ? 0 : j - 1;
2156		2182
…		…
2231	continue;	2257	continue;
2232		2258
2233	// redraw one or more characters	2259	// redraw one or more characters
2234		2260
2235	// seek to the beginning of wide characters	2261	// seek to the beginning of wide characters
2236	while (expect_false (stp[col] == NOCHAR && col > 0))	2262	while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2237	--col;	2263	--col;
2238		2264
2239	rend_t rend = srp[col]; /* screen rendition (target rendition) */	2265	rend_t rend = srp[col]; /* screen rendition (target rendition) */
2240	text_t *text = stp + col;	2266	text_t *text = stp + col;
2241	int count = 1;	2267	int count = 1;
…		…
2279		2305
2280	col--; /* went one too far. move back */	2306	col--; /* went one too far. move back */
2281	count -= i; /* dump any matching trailing chars */	2307	count -= i; /* dump any matching trailing chars */
2282		2308
2283	// sometimes we optimize away the trailing NOCHAR's, add them back	2309	// sometimes we optimize away the trailing NOCHAR's, add them back
2284	while (expect_false (i && text[count] == NOCHAR))	2310	while (ecb_unlikely (i && text[count] == NOCHAR))
2285	count++, i--;	2311	count++, i--;
2286		2312
2287	/*	2313	/*
2288	* Determine the attributes for the string	2314	* Determine the attributes for the string
2289	*/	2315	*/
2290	int fore = fgcolor_of (rend); // desired foreground	2316	int fore = fgcolor_of (rend); // desired foreground
2291	int back = bgcolor_of (rend); // desired background	2317	int back = bgcolor_of (rend); // desired background
2292		2318
2293	// only do special processing if any attributes are set, which is unlikely	2319	// only do special processing if any attributes are set, which is unlikely
2294	if (expect_false (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))	2320	if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2295	{	2321	{
2296	bool invert = rend & RS_RVid;	2322	bool invert = rend & RS_RVid;
2297		2323
2298	#ifndef NO_BOLD_UNDERLINE_REVERSE	2324	#ifndef NO_BOLD_UNDERLINE_REVERSE
2299	if (rend & RS_Bold && fore == Color_fg)	2325	if (rend & RS_Bold && fore == Color_fg)
…		…
2388	/*	2414	/*
2389	* Actually do the drawing of the string here	2415	* Actually do the drawing of the string here
2390	*/	2416	*/
2391	rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];	2417	rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2392		2418
2393	if (expect_true (have_bg && back == Color_bg))	2419	if (ecb_likely (have_bg && back == Color_bg))
2394	{	2420	{
2395	// this is very ugly, maybe push it into ->draw?	2421	// this is very ugly, maybe push it into ->draw?
2396		2422
2397	for (i = 0; i < count; i++) /* don't draw empty strings */	2423	for (i = 0; i < count; i++) /* don't draw empty strings */
2398	if (text[i] != ' ')	2424	if (text[i] != ' ')
…		…
2405	did_clear: ;	2431	did_clear: ;
2406	}	2432	}
2407	else	2433	else
2408	font->draw (*drawable, xpixel, ypixel, text, count, fore, back);	2434	font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2409		2435
2410	if (expect_false (rend & RS_Uline && font->descent > 1 && fore != back))	2436	if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2411	{	2437	{
2412	#if ENABLE_FRILLS	2438	#if ENABLE_FRILLS
2413	if (ISSET_PIXCOLOR (Color_underline))	2439	if (ISSET_PIXCOLOR (Color_underline))
2414	XSetForeground (dpy, gc, pix_colors[Color_underline]);	2440	XSetForeground (dpy, gc, pix_colors[Color_underline]);
2415	else	2441	else
…		…
2461		2487
2462	XDrawRectangle (dpy, vt, gc,	2488	XDrawRectangle (dpy, vt, gc,
2463	Col2Pixel (col),	2489	Col2Pixel (col),
2464	Row2Pixel (oldcursor.row),	2490	Row2Pixel (oldcursor.row),
2465	(unsigned int) (Width2Pixel (cursorwidth) - 1),	2491	(unsigned int) (Width2Pixel (cursorwidth) - 1),
2466	(unsigned int) (Height2Pixel (1) - lineSpace - 1));	2492	(unsigned int) (Height2Pixel (1) - 1));
2467	}	2493	}
2468	}	2494	}
2469		2495
2470	/*	2496	/*
2471	* H: cleanup selection	2497	* H: cleanup selection
…		…
2480	screen.flags = old_screen_flags;	2506	screen.flags = old_screen_flags;
2481	num_scr = 0;	2507	num_scr = 0;
2482	num_scr_allow = 1;	2508	num_scr_allow = 1;
2483	}	2509	}
2484		2510
2485	void	2511	void ecb_cold
2486	rxvt_term::scr_remap_chars (line_t &l) NOTHROW	2512	rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2487	{	2513	{
2488	if (!l.t)	2514	if (!l.valid ())
2489	return;	2515	return;
2490		2516
2491	l.touch (); // maybe a bit of an overkill, but it's not performance-relevant	2517	l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2492		2518
2493	for (int i = ncol; i--; )	2519	for (int i = ncol; i--; )
2494	l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));	2520	l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2495	}	2521	}
2496		2522
2497	void	2523	void ecb_cold
2498	rxvt_term::scr_remap_chars () NOTHROW	2524	rxvt_term::scr_remap_chars () NOTHROW
2499	{	2525	{
2500	for (int i = total_rows; i--; )	2526	for (int i = total_rows; i--; )
2501	scr_remap_chars (row_buf [i]);	2527	scr_remap_chars (row_buf [i]);
2502		2528
…		…
2505	scr_remap_chars (drawn_buf [i]);	2531	scr_remap_chars (drawn_buf [i]);
2506	scr_remap_chars (swap_buf [i]);	2532	scr_remap_chars (swap_buf [i]);
2507	}	2533	}
2508	}	2534	}
2509		2535
2510	void	2536	void ecb_cold
2511	rxvt_term::scr_recolour () NOTHROW	2537	rxvt_term::scr_recolour (bool refresh) NOTHROW
2512	{	2538	{
2513	#ifdef HAVE_BG_PIXMAP	2539	bool transparent = false;
2514	bgPixmap.apply ();
2515	#else
2516		2540
		2541	#ifdef HAVE_IMG
		2542	if (bg_img != 0)
		2543	{
		2544	# if ENABLE_TRANSPARENCY
		2545	if (bg_flags & BG_IS_TRANSPARENT)
		2546	{
		2547	XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
		2548	XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
		2549
		2550	transparent = true;
		2551	}
		2552	else
		2553	# endif
		2554	{
		2555	XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
		2556	XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
		2557	}
		2558	}
		2559	else
		2560	#endif
		2561	{
2517	XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]);	2562	XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2518	XClearWindow (dpy, parent[0]);
2519	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);	2563	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
		2564	}
		2565
		2566	XClearWindow (dpy, parent);
2520		2567
2521	if (scrollBar.win)	2568	if (scrollBar.win)
2522	{	2569	{
		2570	if (transparent)
		2571	XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
		2572	else
2523	XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);	2573	XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2524	scrollBar.state = STATE_IDLE;	2574	scrollBar.state = SB_STATE_IDLE;
2525	scrollBar.show (0);	2575	scrollBar.show (0);
2526	}	2576	}
2527		2577
2528	#endif	2578	if (refresh)
2529		2579	{
2530	/* bgPixmap.apply () does not do the following : */
2531	scr_clear ();	2580	scr_clear ();
2532	scr_touch (true);	2581	scr_touch (true);
		2582	}
2533	want_refresh = 1;	2583	want_refresh = 1;
2534	}	2584	}
2535		2585
2536	/* ------------------------------------------------------------------------- */	2586	/* ------------------------------------------------------------------------- */
2537	void	2587	void
…		…
2594	for (rend_t *srp = ROW(row).r; col < end_col; col++)	2644	for (rend_t *srp = ROW(row).r; col < end_col; col++)
2595	srp[col] ^= rstyle;	2645	srp[col] ^= rstyle;
2596	}	2646	}
2597		2647
2598	/* ------------------------------------------------------------------------- */	2648	/* ------------------------------------------------------------------------- */
2599	void	2649	void ecb_hot
2600	rxvt_term::scr_reverse_selection () NOTHROW	2650	rxvt_term::scr_reverse_selection () NOTHROW
2601	{	2651	{
2602	if (selection.op	2652	if (selection.op
2603	&& current_screen == selection.screen	2653	&& current_screen == selection.screen
2604	&& selection.end.row >= view_start)	2654	&& selection.end.row >= view_start)
…		…
2623	*/	2673	*/
2624	#if 0	2674	#if 0
2625	void	2675	void
2626	rxvt_term::scr_dump (int fd) NOTHROW	2676	rxvt_term::scr_dump (int fd) NOTHROW
2627	{	2677	{
2628	int row, wrote;	2678	// if this method is needed, it can be implemented by factoring the
2629	unsigned int width, towrite;	2679	// 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	}	2680	}
2649	#endif	2681	#endif
2650		2682
2651	/* ------------------------------------------------------------------------- *	2683	/* ------------------------------------------------------------------------- *
2652	* CHARACTER SELECTION *	2684	* CHARACTER SELECTION *
2653	* ------------------------------------------------------------------------- */	2685	* ------------------------------------------------------------------------- */
2654	void	2686	void
2655	rxvt_term::selection_check (int check_more) NOTHROW	2687	rxvt_term::selection_check (int check_more) NOTHROW
2656	{	2688	{
2657	row_col_t pos;
2658
2659	if (!selection.op)	2689	if (!selection.op)
2660	return;	2690	return;
2661		2691
2662	pos.row = pos.col = 0;
2663	if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)	2692	if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2664	|| !IN_RANGE_EXC (selection.mark.row, top_row, nrow)	2693	|| !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2665	|| !IN_RANGE_EXC (selection.end.row, top_row, nrow)	2694	|| !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2666	|| (check_more == 1	2695	|| (check_more == 1
2667	&& current_screen == selection.screen	2696	&& current_screen == selection.screen
2668	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)	2697	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2669	&& ROWCOL_IS_BEFORE (screen.cur, selection.end))	2698	&& 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 ();	2699	CLEAR_ALL_SELECTION ();
2679	}	2700	}
2680		2701
2681	/* ------------------------------------------------------------------------- */	2702	/* ------------------------------------------------------------------------- */
2682	/*	2703	/*
2683	* Paste a selection direct to the command fd	2704	* Paste a selection direct to the command fd
…		…
2689	for (unsigned int i = 0; i < len; i++)	2710	for (unsigned int i = 0; i < len; i++)
2690	if (data[i] == C0_LF)	2711	if (data[i] == C0_LF)
2691	data[i] = C0_CR;	2712	data[i] = C0_CR;
2692		2713
2693	if (priv_modes & PrivMode_BracketPaste)	2714	if (priv_modes & PrivMode_BracketPaste)
2694	tt_printf ("\e[200~");	2715	tt_printf ("\x1b[200~");
2695		2716
2696	tt_write (data, len);	2717	tt_write (data, len);
2697		2718
2698	if (priv_modes & PrivMode_BracketPaste)	2719	if (priv_modes & PrivMode_BracketPaste)
2699	tt_printf ("\e[201~");	2720	tt_printf ("\x1b[201~");
2700	}	2721	}
2701		2722
2702	void	2723	void
2703	rxvt_term::paste (char *data, unsigned int len) NOTHROW	2724	rxvt_term::paste (char *data, unsigned int len) NOTHROW
2704	{	2725	{
…		…
2708	tt_paste (data, len);	2729	tt_paste (data, len);
2709	}	2730	}
2710		2731
2711	/* ------------------------------------------------------------------------- */	2732	/* ------------------------------------------------------------------------- */
2712	/*	2733	/*
2713	* Respond to a notification that a primary selection has been sent	2734	* Request PRIMARY, SECONDARY or CLIPBOARD selection.
2714	* EXT: SelectionNotify	2735	* if the requested selection has no owner or is empty CUT_BUFFER0 is used
2715	*/	2736	* 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	2737	* EXT: button 2 release
2907	*/	2738	*/
2908	void	2739	void
2909	rxvt_term::selection_request (Time tm, int selnum) NOTHROW	2740	rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2910	{	2741	{
2911	if (selection.text && selnum == Sel_Primary)	2742	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	}	2743	{
2919	else	2744	selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
		2745	selection_req->run ();
2920	{	2746	}
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	}	2747	}
2962		2748
2963	/* ------------------------------------------------------------------------- */	2749	/* ------------------------------------------------------------------------- */
2964	/*	2750	/*
2965	* Clear all selected text	2751	* Clear all selected text
…		…
2996	* EXT: button 1 or 3 release	2782	* EXT: button 1 or 3 release
2997	*/	2783	*/
2998	void	2784	void
2999	rxvt_term::selection_make (Time tm)	2785	rxvt_term::selection_make (Time tm)
3000	{	2786	{
3001	int i;	2787	int size;
3002	wchar_t *new_selection_text;	2788	wchar_t *new_selection_text;
3003	text_t *t;	2789	text_t *t;
3004		2790
3005	switch (selection.op)	2791	switch (selection.op)
3006	{	2792	{
…		…
3022	return; /* nothing selected, go away */	2808	return; /* nothing selected, go away */
3023		2809
3024	if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))	2810	if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
3025	return;	2811	return;
3026		2812
3027	i = (selection.end.row - selection.beg.row + 1) * (ncol + 1);	2813	size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
3028	new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));	2814	new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
3029		2815
3030	int ofs = 0;	2816	int ofs = 0;
3031	int extra = 0;	2817	int extra = 0;
3032		2818
3033	int col = selection.beg.col;	2819	int col = selection.beg.col;
…		…
3039	{	2825	{
3040	#if !ENABLE_MINIMAL	2826	#if !ENABLE_MINIMAL
3041	if (selection.rect)	2827	if (selection.rect)
3042	{	2828	{
3043	col = selection.beg.col;	2829	col = selection.beg.col;
3044	end_col = ncol + 1;	2830	end_col = selection.end.col;
3045	}	2831	}
3046	else	2832	else
3047	#endif	2833	#endif
3048	end_col = ROW(row).l;	2834	end_col = ROW(row).l;
3049		2835
3050	col = max (col, 0);	2836	col = max (col, 0);
3051		2837
3052	if (row == selection.end.row	2838	if (row == selection.end.row)
3053	#if !ENABLE_MINIMAL
3054	|| selection.rect
3055	#endif
3056	)
3057	min_it (end_col, selection.end.col);	2839	min_it (end_col, selection.end.col);
3058		2840
3059	t = ROW(row).t + col;	2841	t = ROW(row).t + col;
3060		2842
3061	for (; col < end_col; col++)	2843	for (; col < end_col; col++)
…		…
3069		2851
3070	extra -= (len - 1);	2852	extra -= (len - 1);
3071		2853
3072	if (extra < 0)	2854	if (extra < 0)
3073	{	2855	{
3074	extra += i;	2856	extra += size;
3075	i += i;	2857	size += size;
3076	new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t));	2858	new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
3077	}	2859	}
3078		2860
3079	ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);	2861	ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
3080	}	2862	}
3081	#endif	2863	#endif
…		…
3093		2875
3094	new_selection_text[ofs++] = C0_LF;	2876	new_selection_text[ofs++] = C0_LF;
3095	}	2877	}
3096	else	2878	else
3097	#endif	2879	#endif
3098	if (!ROW(row).is_longer () && row != selection.end.row)	2880	if (!ROW(row).is_longer ()
		2881	&& (row != selection.end.row || end_col != selection.end.col)
		2882	&& (row != selection.beg.row || selection.beg.col < ncol))
3099	new_selection_text[ofs++] = C0_LF;	2883	new_selection_text[ofs++] = C0_LF;
3100	}	2884	}
3101
3102	if (end_col != selection.end.col)
3103	new_selection_text[ofs++] = C0_LF;
3104		2885
3105	new_selection_text[ofs] = 0;	2886	new_selection_text[ofs] = 0;
3106		2887
3107	if (ofs == 0)	2888	if (ofs == 0)
3108	{	2889	{
…		…
3164	/* ------------------------------------------------------------------------- */	2945	/* ------------------------------------------------------------------------- */
3165	/*	2946	/*
3166	* Mark or select text based upon number of clicks: 1, 2, or 3	2947	* Mark or select text based upon number of clicks: 1, 2, or 3
3167	* EXT: button 1 press	2948	* EXT: button 1 press
3168	*/	2949	*/
3169	void	2950	void ecb_cold
3170	rxvt_term::selection_click (int clicks, int x, int y) NOTHROW	2951	rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
3171	{	2952	{
3172	clicks = ((clicks - 1) % 3) + 1;	2953	clicks = ((clicks - 1) % 3) + 1;
3173	selection.clicks = clicks; /* save clicks so extend will work */	2954	selection.clicks = clicks; /* save clicks so extend will work */
3174		2955
…		…
3193		2974
3194	/* ------------------------------------------------------------------------- */	2975	/* ------------------------------------------------------------------------- */
3195	/*	2976	/*
3196	* Mark a selection at the specified col/row	2977	* Mark a selection at the specified col/row
3197	*/	2978	*/
3198	void	2979	void ecb_cold
3199	rxvt_term::selection_start_colrow (int col, int row) NOTHROW	2980	rxvt_term::selection_start_colrow (int col, int row) NOTHROW
3200	{	2981	{
3201	want_refresh = 1;	2982	want_refresh = 1;
3202		2983
3203	selection.mark.row = row + view_start;	2984	selection.mark.row = row + view_start;
…		…
3230	/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */	3011	/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
3231	#define DELIMIT_TEXT(x) \	3012	#define DELIMIT_TEXT(x) \
3232	(unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))	3013	(unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3233	#define DELIMIT_REND(x) 1	3014	#define DELIMIT_REND(x) 1
3234		3015
3235	void	3016	void ecb_cold
3236	rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW	3017	rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
3237	{	3018	{
3238	int col, row, dirnadd, tcol, trow, w1, w2;	3019	int col, row, dirnadd, tcol, trow, w1, w2;
3239	row_col_t bound;	3020	row_col_t bound;
3240	text_t *stp;	3021	text_t *stp;
…		…
3314	* EXT: button 3 press; button 1 or 3 drag	3095	* EXT: button 3 press; button 1 or 3 drag
3315	* flag == 0 ==> button 1	3096	* flag == 0 ==> button 1
3316	* flag == 1 ==> button 3 press	3097	* flag == 1 ==> button 3 press
3317	* flag == 2 ==> button 3 motion	3098	* flag == 2 ==> button 3 motion
3318	*/	3099	*/
3319	void	3100	void ecb_cold
3320	rxvt_term::selection_extend (int x, int y, int flag) NOTHROW	3101	rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
3321	{	3102	{
3322	int col = clamp (Pixel2Col (x), 0, ncol);	3103	int col = clamp (Pixel2Col (x), 0, ncol);
3323	int row = clamp (Pixel2Row (y), 0, nrow - 1);	3104	int row = clamp (Pixel2Row (y), 0, nrow - 1);
3324		3105
…		…
3350		3131
3351	/* ------------------------------------------------------------------------- */	3132	/* ------------------------------------------------------------------------- */
3352	/*	3133	/*
3353	* Extend the selection to the specified col/row	3134	* Extend the selection to the specified col/row
3354	*/	3135	*/
3355	void	3136	void ecb_cold
3356	rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW	3137	rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
3357	{	3138	{
3358	row_col_t pos;	3139	row_col_t pos;
3359	enum {	3140	enum {
3360	LEFT, RIGHT	3141	LEFT, RIGHT
…		…
3551	::swap (selection.beg.col, selection.end.col);	3332	::swap (selection.beg.col, selection.end.col);
3552	#endif	3333	#endif
3553	}	3334	}
3554		3335
3555	#if !ENABLE_MINIMAL	3336	#if !ENABLE_MINIMAL
3556	void	3337	void ecb_cold
3557	rxvt_term::selection_remove_trailing_spaces () NOTHROW	3338	rxvt_term::selection_remove_trailing_spaces () NOTHROW
3558	{	3339	{
3559	int32_t end_col, end_row;	3340	int32_t end_col, end_row;
3560	text_t *stp;	3341	text_t *stp;
3561		3342
…		…
3599	/* ------------------------------------------------------------------------- */	3380	/* ------------------------------------------------------------------------- */
3600	/*	3381	/*
3601	* Double click on button 3 when already selected	3382	* Double click on button 3 when already selected
3602	* EXT: button 3 double click	3383	* EXT: button 3 double click
3603	*/	3384	*/
3604	void	3385	void ecb_cold
3605	rxvt_term::selection_rotate (int x, int y) NOTHROW	3386	rxvt_term::selection_rotate (int x, int y) NOTHROW
3606	{	3387	{
3607	selection.clicks = selection.clicks % 3 + 1;	3388	selection.clicks = selection.clicks % 3 + 1;
3608	selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);	3389	selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3609	}	3390	}
…		…
3611	/* ------------------------------------------------------------------------- */	3392	/* ------------------------------------------------------------------------- */
3612	/*	3393	/*
3613	* Respond to a request for our current selection	3394	* Respond to a request for our current selection
3614	* EXT: SelectionRequest	3395	* EXT: SelectionRequest
3615	*/	3396	*/
3616	void	3397	void ecb_cold
3617	rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW	3398	rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3618	{	3399	{
		3400	Atom property = rq.property == None ? rq.target : rq.property;
3619	XSelectionEvent ev;	3401	XSelectionEvent ev;
3620		3402
3621	ev.type = SelectionNotify;	3403	ev.type = SelectionNotify;
3622	ev.property = None;	3404	ev.property = None;
3623	ev.display = rq.display;	3405	ev.display = rq.display;
…		…
3638	*target++ = xa[XA_COMPOUND_TEXT];	3420	*target++ = xa[XA_COMPOUND_TEXT];
3639	#if X_HAVE_UTF8_STRING	3421	#if X_HAVE_UTF8_STRING
3640	*target++ = xa[XA_UTF8_STRING];	3422	*target++ = xa[XA_UTF8_STRING];
3641	#endif	3423	#endif
3642		3424
3643	XChangeProperty (dpy, rq.requestor, rq.property, XA_ATOM,	3425	XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3644	32, PropModeReplace,	3426	32, PropModeReplace,
3645	(unsigned char *)target_list, target - target_list);	3427	(unsigned char *)target_list, target - target_list);
3646	ev.property = rq.property;	3428	ev.property = property;
3647	}	3429	}
3648	#if TODO // TODO	3430	#if TODO // TODO
3649	else if (rq.target == xa[XA_MULTIPLE])	3431	else if (rq.target == xa[XA_MULTIPLE])
3650	{	3432	{
3651	/* TODO: Handle MULTIPLE */	3433	/* TODO: Handle MULTIPLE */
3652	}	3434	}
3653	#endif	3435	#endif
3654	else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)	3436	else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3655	{	3437	{
3656	XChangeProperty (dpy, rq.requestor, rq.property, rq.target,	3438	XChangeProperty (dpy, rq.requestor, property, rq.target,
3657	32, PropModeReplace, (unsigned char *)&selection_time, 1);	3439	32, PropModeReplace, (unsigned char *)&selection_time, 1);
3658	ev.property = rq.property;	3440	ev.property = property;
3659	}	3441	}
3660	else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)	3442	else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3661	{	3443	{
3662	XChangeProperty (dpy, rq.requestor, rq.property, rq.target,	3444	XChangeProperty (dpy, rq.requestor, property, rq.target,
3663	32, PropModeReplace, (unsigned char *)&clipboard_time, 1);	3445	32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3664	ev.property = rq.property;	3446	ev.property = property;
3665	}	3447	}
3666	else if (rq.target == XA_STRING	3448	else if (rq.target == XA_STRING
3667	|| rq.target == xa[XA_TEXT]	3449	|| rq.target == xa[XA_TEXT]
3668	|| rq.target == xa[XA_COMPOUND_TEXT]	3450	|| rq.target == xa[XA_COMPOUND_TEXT]
3669	|| rq.target == xa[XA_UTF8_STRING]	3451	|| rq.target == xa[XA_UTF8_STRING]
…		…
3740	ct.value = (unsigned char *)cl;	3522	ct.value = (unsigned char *)cl;
3741	ct.nitems = selectlen;	3523	ct.nitems = selectlen;
3742	ct.encoding = target;	3524	ct.encoding = target;
3743	}	3525	}
3744		3526
3745	XChangeProperty (dpy, rq.requestor, rq.property,	3527	XChangeProperty (dpy, rq.requestor, property,
3746	ct.encoding, 8, PropModeReplace,	3528	ct.encoding, 8, PropModeReplace,
3747	ct.value, (int)ct.nitems);	3529	ct.value, (int)ct.nitems);
3748	ev.property = rq.property;	3530	ev.property = property;
3749		3531
3750	if (freect)	3532	if (freect)
3751	XFree (ct.value);	3533	XFree (ct.value);
3752	}	3534	}
3753		3535
3754	XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);	3536	XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3755	}	3537	}
3756		3538
3757	/* ------------------------------------------------------------------------- */	3539	/* ------------------------------------------------------------------------- */
3758	#ifdef USE_XIM	3540	#if USE_XIM
3759	void	3541	void ecb_cold
3760	rxvt_term::im_set_position (XPoint &pos) NOTHROW	3542	rxvt_term::im_set_position (XPoint &pos) NOTHROW
3761	{	3543	{
3762	XWindowAttributes xwa;	3544	XWindowAttributes xwa;
3763		3545
3764	XGetWindowAttributes (dpy, vt, &xwa);	3546	XGetWindowAttributes (dpy, vt, &xwa);

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