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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.372 by sf-exg, Fri Feb 11 01:24:46 2011 UTC vs.
Revision 1.457 by sf-exg, Tue Jun 21 12:03:56 2016 UTC

1	/*---------------------------------------------------------------------------*	1	/*---------------------------------------------------------------------------*
2	* File: screen.C	2	* File: screen.C
3	*---------------------------------------------------------------------------*	3	*---------------------------------------------------------------------------*
4	*	4	*
5	* Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com>	5	* Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com>
6	* Copyright (c) 2003-2007 Marc Lehmann <pcg@goof.com>	6	* Copyright (c) 2003-2007 Marc Lehmann <schmorp@schmorp.de>
		7	* Copyright (c) 2015 Emanuele Giaquinta <e.giaquinta@glauco.it>
7	*	8	*
8	* This program is free software; you can redistribute it and/or modify	9	* This program is free software; you can redistribute it and/or modify
9	* it under the terms of the GNU General Public License as published by	10	* it under the terms of the GNU General Public License as published by
10	* the Free Software Foundation; either version 2 of the License, or	11	* the Free Software Foundation; either version 3 of the License, or
11	* (at your option) any later version.	12	* (at your option) any later version.
12	*	13	*
13	* This program is distributed in the hope that it will be useful,	14	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
…		…
27	#include "../config.h" /* NECESSARY */	28	#include "../config.h" /* NECESSARY */
28	#include "rxvt.h" /* NECESSARY */	29	#include "rxvt.h" /* NECESSARY */
29	#include "rxvtperl.h" /* NECESSARY */	30	#include "rxvtperl.h" /* NECESSARY */
30		31
31	#include <inttypes.h>	32	#include <inttypes.h>
32
33	#include "salloc.C" // HACK, should be a separate compile!
34		33
35	static inline void	34	static inline void
36	fill_text (text_t *start, text_t value, int len)	35	fill_text (text_t *start, text_t value, int len)
37	{	36	{
38	while (len--)	37	while (len--)
…		…
98		97
99	/* Fill part/all of a line with blanks. */	98	/* Fill part/all of a line with blanks. */
100	void	99	void
101	rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW	100	rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW
102	{	101	{
103	if (!l.t)	102	if (!l.valid ())
104	{	103	{
105	lalloc (l);	104	l.alloc ();
106	col = 0;	105	col = 0;
107	width = ncol;	106	width = ncol;
108	}	107	}
109		108
110	l.touch ();	109	l.touch ();
…		…
152	l.r[col] = rend;	151	l.r[col] = rend;
153	col++;	152	col++;
154	} while (col < ncol && l.t[col] == NOCHAR);	153	} while (col < ncol && l.t[col] == NOCHAR);
155	}	154	}
156		155
		156	// set the rendition of a single wide character beginning at the given column
		157	void
		158	rxvt_term::scr_set_char_rend (line_t &l, int col, rend_t rend)
		159	{
		160	do {
		161	l.r[col] = rend;
		162	col++;
		163	} while (col < ncol && l.t[col] == NOCHAR);
		164	}
		165
157	/* ------------------------------------------------------------------------- *	166	/* ------------------------------------------------------------------------- *
158	* SCREEN INITIALISATION *	167	* SCREEN INITIALISATION *
159	* ------------------------------------------------------------------------- */	168	* ------------------------------------------------------------------------- */
160		169
161	void	170	void
		171	rxvt_term::scr_alloc () NOTHROW
		172	{
		173	int tsize = sizeof (text_t) * ncol;
		174	int rsize = sizeof (rend_t) * ncol;
		175
		176	// we assume that rend_t size is a sufficient alignment
		177	// factor for text_t and line_t values, and we only
		178	// need to adjust tsize.
		179	tsize = (tsize + sizeof (rend_t) - 1);
		180	tsize -= tsize % sizeof (rend_t);
		181
		182	int all_rows = total_rows + nrow + nrow;
		183
		184	chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
		185	chunk = chunk_alloc (chunk_size, 0);
		186
		187	char *base = (char *)chunk + sizeof (line_t) * all_rows;
		188
		189	for (int row = 0; row < all_rows; ++row)
		190	{
		191	line_t &l = ((line_t *)chunk) [row];
		192
		193	l.t = (text_t *)base; base += tsize;
		194	l.r = (rend_t *)base; base += rsize;
		195	l.l = -1;
		196	l.f = 0;
		197	}
		198
		199	drawn_buf = (line_t *)chunk;
		200	swap_buf = drawn_buf + nrow;
		201	row_buf = swap_buf + nrow;
		202	}
		203
		204	void
		205	rxvt_term::copy_line (line_t &dst, line_t &src)
		206	{
		207	scr_blank_screen_mem (dst, DEFAULT_RSTYLE);
		208	dst.l = min (src.l, ncol);
		209	memcpy (dst.t, src.t, sizeof (text_t) * dst.l);
		210	memcpy (dst.r, src.r, sizeof (rend_t) * dst.l);
		211	dst.f = src.f;
		212	}
		213
		214	void ecb_cold
162	rxvt_term::scr_reset ()	215	rxvt_term::scr_reset ()
163	{	216	{
		217	#if ENABLE_OVERLAY
		218	scr_overlay_off ();
		219	#endif
		220
164	view_start = 0;	221	view_start = 0;
165	num_scr = 0;	222	num_scr = 0;
166		223
167	if (ncol == 0)	224	if (ncol == 0)
168	ncol = 80;	225	ncol = 80;
…		…
188	total_rows = nrow + saveLines;	245	total_rows = nrow + saveLines;
189		246
190	screen.tscroll = 0;	247	screen.tscroll = 0;
191	screen.bscroll = nrow - 1;	248	screen.bscroll = nrow - 1;
192		249
		250	void *prev_chunk = chunk;
		251	size_t prev_chunk_size = chunk_size;
		252	line_t *prev_drawn_buf = drawn_buf;
		253	line_t *prev_swap_buf = swap_buf;
		254	line_t *prev_row_buf = row_buf;
		255
		256	scr_alloc ();
		257
193	if (!row_buf)	258	if (!prev_row_buf)
194	{	259	{
195	/*
196	* first time called so just malloc everything: don't rely on realloc
197	*/
198	top_row = 0;	260	top_row = 0;
199	term_start = 0;	261	term_start = 0;
200
201	talloc = new rxvt_salloc (ncol * sizeof (text_t));
202	ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
203
204	row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
205	drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
206	swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
207
208	for (int row = nrow; row--; )
209	{
210	scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
211	scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
212	scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
213	}
214		262
215	memset (charsets, 'B', sizeof (charsets));	263	memset (charsets, 'B', sizeof (charsets));
216	rstyle = DEFAULT_RSTYLE;	264	rstyle = DEFAULT_RSTYLE;
217	screen.flags = Screen_DefaultFlags;	265	screen.flags = Screen_DefaultFlags;
218	screen.cur.row = screen.cur.col = 0;	266	screen.cur.row = screen.cur.col = 0;
…		…
241	{	289	{
242	/*	290	/*
243	* add or delete rows as appropriate	291	* add or delete rows as appropriate
244	*/	292	*/
245		293
246	rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));	294	int common_col = min (prev_ncol, ncol);
247	rxvt_salloc *old_ra = ralloc; ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
248
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		295
263	for (int row = min (nrow, prev_nrow); row--; )	296	for (int row = min (nrow, prev_nrow); row--; )
264	{	297	{
265	lresize (drawn_buf[row]);	298	scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
266	lresize (swap_buf [row]);	299	memcpy (drawn_buf [row].t, prev_drawn_buf [row].t, sizeof (text_t) * common_col);
267	}	300	memcpy (drawn_buf [row].r, prev_drawn_buf [row].r, sizeof (rend_t) * common_col);
268		301
269	for (int row = prev_nrow; row < nrow; row++)	302	copy_line (swap_buf [row], prev_swap_buf [row]);
270	{	303	}
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		304
278	int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row	305	int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
279	int pend = MOD (term_start + top_row , prev_total_rows);	306	int pend = MOD (term_start + top_row , prev_total_rows);
280	int q = total_rows; // rewrapped row	307	int q = total_rows; // rewrapped row
281		308
…		…
289	ocur.row = MOD (term_start + ocur.row, prev_total_rows);	316	ocur.row = MOD (term_start + ocur.row, prev_total_rows);
290		317
291	do	318	do
292	{	319	{
293	p = MOD (p - 1, prev_total_rows);	320	p = MOD (p - 1, prev_total_rows);
294	assert (old_buf [MOD (p, prev_total_rows)].t);	321	assert (prev_row_buf [MOD (p, prev_total_rows)].t);
295	int plines = 1;	322	int plines = 1;
296	int llen = old_buf [MOD (p, prev_total_rows)].l;	323	int llen = prev_row_buf [MOD (p, prev_total_rows)].l;
297		324
298	while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())	325	while (p != pend && prev_row_buf [MOD (p - 1, prev_total_rows)].is_longer ())
299	{	326	{
300	p = MOD (p - 1, prev_total_rows);	327	p = MOD (p - 1, prev_total_rows);
301		328
302	plines++;	329	plines++;
303	llen += prev_ncol;	330	llen += prev_ncol;
…		…
316		343
317	// re-assemble the full line by destination lines	344	// re-assemble the full line by destination lines
318	for (int qrow = q; qlines--; qrow++)	345	for (int qrow = q; qlines--; qrow++)
319	{	346	{
320	qline = row_buf + qrow;	347	qline = row_buf + qrow;
321	lalloc (*qline);	348	qline->alloc (); // redundant with next line
322	qline->l = ncol;	349	qline->l = ncol;
323	qline->is_longer (1);	350	qline->is_longer (1);
324		351
325	int qcol = 0;	352	int qcol = 0;
326		353
…		…
341	// this seems to upset applications/shells/readline	368	// this seems to upset applications/shells/readline
342	// least.	369	// least.
343	if (prow == ocur.row)	370	if (prow == ocur.row)
344	screen.cur.row = q - (total_rows - nrow);	371	screen.cur.row = q - (total_rows - nrow);
345		372
346	line_t &pline = old_buf [prow];	373	line_t &pline = prev_row_buf [prow];
347		374
348	int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);	375	int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
349		376
350	memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));	377	memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
351	memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));	378	memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
…		…
372	{	399	{
373	// if no scrollback exists (yet), wing, instead of wrap	400	// if no scrollback exists (yet), wing, instead of wrap
374		401
375	for (int row = min (nrow, prev_nrow); row--; )	402	for (int row = min (nrow, prev_nrow); row--; )
376	{	403	{
377	line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)];	404	line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)];
378	line_t &qline = row_buf [row];	405	line_t &dst = row_buf [row];
379		406
380	qline = pline;	407	copy_line (dst, src);
381	lresize (qline);
382	}	408	}
383		409
384	for (int row = prev_nrow; row < nrow; row++)	410	for (int row = prev_nrow; row < nrow; row++)
385	{
386	row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);	411	scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
387	}
388		412
389	term_start = 0;	413	term_start = 0;
390	}	414	}
391
392	free (old_buf);
393	delete old_ta;
394	delete old_ra;
395		415
396	clamp_it (screen.cur.row, 0, nrow - 1);	416	clamp_it (screen.cur.row, 0, nrow - 1);
397	clamp_it (screen.cur.col, 0, ncol - 1);	417	clamp_it (screen.cur.col, 0, ncol - 1);
398	}	418	}
399		419
		420	for (int row = nrow; row--; )
		421	{
		422	if (!ROW (row).valid ()) scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
		423	if (!swap_buf [row].valid ()) scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
		424	if (!drawn_buf [row].valid ()) scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
		425	}
		426
		427	chunk_free (prev_chunk, prev_chunk_size);
		428
400	free (tabs);	429	free (tabs);
401	tabs = (char *)rxvt_malloc (ncol);	430	tabs = (char *)rxvt_malloc (ncol);
402		431
403	for (int col = ncol; col--; )	432	for (int col = ncol; col--; )
404	tabs [col] = col % TABSIZE == 0;	433	tabs [col] = col % TABSIZE == 0;
…		…
411	tt_winch ();	440	tt_winch ();
412		441
413	HOOK_INVOKE ((this, HOOK_RESET, DT_END));	442	HOOK_INVOKE ((this, HOOK_RESET, DT_END));
414	}	443	}
415		444
416	/* ------------------------------------------------------------------------- */	445	void ecb_cold
417	/*
418	* Free everything. That way malloc debugging can find leakage.
419	*/
420	void
421	rxvt_term::scr_release () NOTHROW	446	rxvt_term::scr_release () NOTHROW
422	{	447	{
423	if (row_buf)	448	chunk_free (chunk, chunk_size);
424	{	449	chunk = 0;
425	delete talloc; talloc = 0;	450	row_buf = 0;
426	delete ralloc; ralloc = 0;
427		451
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);	452	free (tabs);
434	tabs = 0;	453	tabs = 0;
435	}
436	}	454	}
437		455
438	/* ------------------------------------------------------------------------- */	456	/* ------------------------------------------------------------------------- */
439	/*	457	/*
440	* Hard/Soft reset	458	* Hard/Soft reset
441	*/	459	*/
442	void	460	void ecb_cold
443	rxvt_term::scr_poweron ()	461	rxvt_term::scr_poweron ()
444	{	462	{
445	scr_release ();	463	scr_release ();
		464
446	prev_nrow = prev_ncol = 0;	465	prev_nrow = prev_ncol = 0;
447	rvideo_mode = false;	466	rvideo_mode = false;
448	scr_soft_reset ();	467	scr_soft_reset ();
449	scr_reset ();	468	scr_reset ();
450		469
451	scr_clear (true);	470	scr_clear (true);
452	scr_refresh ();	471	scr_refresh ();
453	}	472	}
454		473
455	void	474	void ecb_cold
456	rxvt_term::scr_soft_reset ()	475	rxvt_term::scr_soft_reset () NOTHROW
457	{	476	{
458	/* only affects modes, nothing drastic such as clearing the screen */	477	/* only affects modes, nothing drastic such as clearing the screen */
459	#if ENABLE_OVERLAY	478	#if ENABLE_OVERLAY
460	scr_overlay_off ();	479	scr_overlay_off ();
461	#endif	480	#endif
…		…
516	assert (s->cur.row >= 0);	535	assert (s->cur.row >= 0);
517	assert (s->cur.col >= 0);	536	assert (s->cur.col >= 0);
518	}	537	}
519		538
520	void	539	void
521	rxvt_term::scr_swap_screen ()	540	rxvt_term::scr_swap_screen () NOTHROW
522	{	541	{
523	if (!option (Opt_secondaryScreen))	542	if (!option (Opt_secondaryScreen))
524	return;	543	return;
525		544
526	for (int i = prev_nrow; i--; )	545	for (int i = prev_nrow; i--; )
…		…
545	return;	564	return;
546		565
547	want_refresh = 1;	566	want_refresh = 1;
548	view_start = 0;	567	view_start = 0;
549		568
550	selection_check (2); /* check for boundary cross */	569	/* check for boundary cross */
		570	row_col_t pos;
		571	pos.row = pos.col = 0;
		572	if (ROWCOL_IS_BEFORE (selection.beg, pos)
		573	&& ROWCOL_IS_AFTER (selection.end, pos))
		574	CLEAR_SELECTION ();
551		575
552	current_screen = scrn;	576	current_screen = scrn;
553		577
554	#if NSCREENS	578	#if NSCREENS
555	if (option (Opt_secondaryScreen))	579	if (option (Opt_secondaryScreen))
…		…
591	* Change the colour for following text	615	* Change the colour for following text
592	*/	616	*/
593	void	617	void
594	rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW	618	rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW
595	{	619	{
596	if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))	620	if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR24))
597	color = fgbg;	621	color = fgbg;
598		622
599	if (fgbg == Color_fg)	623	if (fgbg == Color_fg)
600	rstyle = SET_FGCOLOR (rstyle, color);	624	rstyle = SET_FGCOLOR (rstyle, color);
601	else	625	else
…		…
621	/*	645	/*
622	* Scroll text between <row1> and <row2> inclusive, by <count> lines	646	* Scroll text between <row1> and <row2> inclusive, by <count> lines
623	* count positive ==> scroll up	647	* count positive ==> scroll up
624	* count negative ==> scroll down	648	* count negative ==> scroll down
625	*/	649	*/
626	int	650	int ecb_hot
627	rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW	651	rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
628	{	652	{
629	if (count == 0 || (row1 > row2))	653	if (count == 0 || (row1 > row2))
630	return 0;	654	return 0;
631		655
…		…
634		658
635	if (count > 0	659	if (count > 0
636	&& row1 == 0	660	&& row1 == 0
637	&& (current_screen == PRIMARY || option (Opt_secondaryScroll)))	661	&& (current_screen == PRIMARY || option (Opt_secondaryScroll)))
638	{	662	{
		663	min_it (count, total_rows - (nrow - (row2 + 1)));
		664
639	top_row = max (top_row - count, -saveLines);	665	top_row = max (top_row - count, -saveLines);
640
641	// scroll everything up 'count' lines
642	term_start = (term_start + count) % total_rows;
643		666
644	// sever bottommost line	667	// sever bottommost line
645	{	668	{
646	line_t &l = ROW(row2 - count);	669	line_t &l = ROW(row2);
647	l.is_longer (0);	670	l.is_longer (0);
648	l.touch ();	671	l.touch ();
649	}	672	}
650		673
		674	// scroll everything up 'count' lines
		675	term_start = (term_start + count) % total_rows;
		676
		677	// now copy lines below the scroll region bottom to the
		678	// bottom of the screen again, so they look as if they
		679	// hadn't moved.
		680	for (int i = nrow; --i > row2; )
		681	{
		682	line_t &l1 = ROW(i - count);
		683	line_t &l2 = ROW(i);
		684
		685	::swap (l1, l2);
		686	l2.touch ();
		687	}
		688
651	// erase newly scrolled-in lines	689	// erase newly scrolled-in lines
652	for (int i = count; i--; )	690	for (int i = count; i--; )
653	{	691	{
654	line_t &l = ROW(nrow - 1 - i);	692	line_t &l = ROW(row2 - i);
655		693
656	// optimize if already cleared, can be significant on slow machines	694	// optimise if already cleared, can be significant on slow machines
657	// could be rolled into scr_blank_screen_mem	695	// 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)))	696	if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
659	{	697	{
660	scr_blank_line (l, 0, l.l, rstyle);	698	scr_blank_line (l, 0, l.l, rstyle);
661	l.l = 0;	699	l.l = 0;
…		…
663	}	701	}
664	else	702	else
665	scr_blank_screen_mem (l, rstyle);	703	scr_blank_screen_mem (l, rstyle);
666	}	704	}
667		705
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	706	// move and/or clear selection, if any
681	if (selection.op && current_screen == selection.screen)	707	if (selection.op && current_screen == selection.screen
		708	&& selection.beg.row <= row2)
682	{	709	{
683	selection.beg.row -= count;	710	selection.beg.row -= count;
684	selection.end.row -= count;	711	selection.end.row -= count;
685	selection.mark.row -= count;	712	selection.mark.row -= count;
686		713
687	if (selection.beg.row < top_row	714	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	}	715	}
695		716
696	// finally move the view window, if desired	717	// finally move the view window, if desired
697	if (option (Opt_scrollWithBuffer)	718	if (option (Opt_scrollWithBuffer)
698	&& view_start != 0	719	&& view_start != 0
699	&& view_start != -saveLines)	720	&& view_start != -saveLines)
700	scr_page (UP, count);	721	scr_page (count);
701		722
702	if (SHOULD_INVOKE (HOOK_SCROLL_BACK))	723	if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
703	HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));	724	HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
704	}	725	}
705	else	726	else
…		…
728	}	749	}
729		750
730	// use a simple and robust scrolling algorithm, this	751	// use a simple and robust scrolling algorithm, this
731	// part of scr_scroll_text is not time-critical.	752	// part of scr_scroll_text is not time-critical.
732		753
		754	// sever line above scroll region
		755	if (row1)
		756	{
		757	line_t &l = ROW(row1 - 1);
		758	l.is_longer (0);
		759	l.touch ();
		760	}
		761
733	int rows = row2 - row1 + 1;	762	int rows = row2 - row1 + 1;
734		763
735	min_it (count, rows);	764	min_it (count, rows);
736		765
737	line_t *temp_buf = row_buf + total_rows;	766	line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
738		767
739	for (int row = 0; row < rows; row++)	768	for (int row = 0; row < rows; row++)
740	{	769	{
741	temp_buf [row] = ROW(row1 + (row + count + rows) % rows);	770	temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
742		771
…		…
744	scr_blank_screen_mem (temp_buf [row], rstyle);	773	scr_blank_screen_mem (temp_buf [row], rstyle);
745	}	774	}
746		775
747	for (int row = 0; row < rows; row++)	776	for (int row = 0; row < rows; row++)
748	ROW(row1 + row) = temp_buf [row];	777	ROW(row1 + row) = temp_buf [row];
		778
		779	// sever bottommost line
		780	{
		781	line_t &l = ROW(row2);
		782	l.is_longer (0);
		783	l.touch ();
		784	}
749	}	785	}
750		786
751	return count;	787	return count;
752	}	788	}
753		789
754	/* ------------------------------------------------------------------------- */	790	/* ------------------------------------------------------------------------- */
755	/*	791	/*
756	* Add text given in <str> of length <len> to screen struct	792	* Add text given in <str> of length <len> to screen struct
757	*/	793	*/
758	void	794	void ecb_hot
759	rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW	795	rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
760	{	796	{
761	if (len <= 0) /* sanity */	797	if (len <= 0) /* sanity */
762	return;	798	return;
763		799
764	unsigned char checksel;	800	bool checksel;
765	unicode_t c;	801	unicode_t c;
766	int ncol = this->ncol;	802	int ncol = this->ncol;
767	const wchar_t *strend = str + len;	803	const wchar_t *strend = str + len;
768		804
769	want_refresh = 1;	805	want_refresh = 1;
…		…
795		831
796	while (str < strend)	832	while (str < strend)
797	{	833	{
798	c = (unicode_t)*str++; // convert to rxvt-unicodes representation	834	c = (unicode_t)*str++; // convert to rxvt-unicodes representation
799		835
800	if (expect_false (c < 0x20))	836	if (ecb_unlikely (c < 0x20))
801	if (c == C0_LF)	837	if (c == C0_LF)
802	{	838	{
803	max_it (line->l, screen.cur.col);	839	max_it (line->l, screen.cur.col);
804		840
805	screen.flags &= ~Screen_WrapNext;	841	screen.flags &= ~Screen_WrapNext;
…		…
824	{	860	{
825	scr_tab (1, true);	861	scr_tab (1, true);
826	continue;	862	continue;
827	}	863	}
828		864
829	if (expect_false (	865	if (ecb_unlikely (
830	checksel /* see if we're writing within selection */	866	checksel /* see if we're writing within selection */
831	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)	867	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
832	&& ROWCOL_IS_BEFORE (screen.cur, selection.end)	868	&& ROWCOL_IS_BEFORE (screen.cur, selection.end)
833	))	869	))
834	{	870	{
…		…
839	* should be a similar check.	875	* should be a similar check.
840	*/	876	*/
841	CLEAR_SELECTION ();	877	CLEAR_SELECTION ();
842	}	878	}
843		879
844	if (expect_false (screen.flags & Screen_WrapNext))	880	if (ecb_unlikely (screen.flags & Screen_WrapNext))
845	{	881	{
846	scr_do_wrap ();	882	scr_do_wrap ();
847		883
848	line->l = ncol;	884	line->l = ncol;
849	line->is_longer (1);	885	line->is_longer (1);
…		…
851	row = screen.cur.row;	887	row = screen.cur.row;
852	line = &ROW(row); /* _must_ refresh */	888	line = &ROW(row); /* _must_ refresh */
853	}	889	}
854		890
855	// some utf-8 decoders "decode" surrogate characters: let's fix this.	891	// some utf-8 decoders "decode" surrogate characters: let's fix this.
856	if (expect_false (IN_RANGE_INC (c, 0xd800, 0xdfff)))	892	if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
857	c = 0xfffd;	893	c = 0xfffd;
858		894
859	// rely on wcwidth to tell us the character width, do wcwidth before	895	// rely on wcwidth to tell us the character width, do wcwidth before
860	// further replacements, as wcwidth might return -1 for the line	896	// further replacements, as wcwidth might return -1 for the line
861	// drawing characters below as they might be invalid in the current	897	// drawing characters below as they might be invalid in the current
862	// locale.	898	// locale.
863	int width = WCWIDTH (c);	899	int width = WCWIDTH (c);
864		900
865	if (expect_false (charsets [screen.charset] == '0')) // DEC SPECIAL	901	if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
866	{	902	{
867	// vt100 special graphics and line drawing	903	// vt100 special graphics and line drawing
868	// 5f-7e standard vt100	904	// 5f-7e standard vt100
869	// 40-5e rxvt extension for extra curses acs chars	905	// 40-5e rxvt extension for extra curses acs chars
870	static uint16_t vt100_0[62] = { // 41 .. 7e	906	static uint16_t vt100_0[62] = { // 41 .. 7e
…		…
883	c = vt100_0[c - 0x41];	919	c = vt100_0[c - 0x41];
884	width = 1; // vt100 line drawing characters are always single-width	920	width = 1; // vt100 line drawing characters are always single-width
885	}	921	}
886	}	922	}
887		923
888	if (expect_false (screen.flags & Screen_Insert))	924	if (ecb_unlikely (screen.flags & Screen_Insert))
889	scr_insdel_chars (width, INSERT);	925	scr_insdel_chars (width, INSERT);
890		926
891	if (width != 0)	927	if (width != 0)
892	{	928	{
893	#if !UNICODE_3	929	#if !UNICODE_3
…		…
901	#endif	937	#endif
902		938
903	rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));	939	rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
904		940
905	// if the character doesn't fit into the remaining columns...	941	// if the character doesn't fit into the remaining columns...
906	if (expect_false (screen.cur.col > ncol - width && ncol >= width))	942	if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
907	{	943	{
908	if (screen.flags & Screen_Autowrap)	944	if (screen.flags & Screen_Autowrap)
909	{	945	{
910	// ... artificially enlargen the previous one	946	// ... artificially enlargen the previous one
911	c = NOCHAR;	947	c = NOCHAR;
…		…
918		954
919	// nuke the character at this position, if required	955	// nuke the character at this position, if required
920	// due to wonderful coincidences everywhere else in this loop	956	// due to wonderful coincidences everywhere else in this loop
921	// we never have to check for overwriting a wide char itself,	957	// we never have to check for overwriting a wide char itself,
922	// only its tail.	958	// only its tail.
923	if (expect_false (line->t[screen.cur.col] == NOCHAR))	959	if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
924	scr_kill_char (*line, screen.cur.col);	960	scr_kill_char (*line, screen.cur.col);
925		961
926	line->touch ();	962	line->touch ();
927		963
928	do	964	do
929	{	965	{
930	line->t[screen.cur.col] = c;	966	line->t[screen.cur.col] = c;
931	line->r[screen.cur.col] = rend;	967	line->r[screen.cur.col] = rend;
932		968
933	if (expect_true (screen.cur.col < ncol - 1))	969	if (ecb_likely (screen.cur.col < ncol - 1))
934	screen.cur.col++;	970	screen.cur.col++;
935	else	971	else
936	{	972	{
937	line->l = ncol;	973	line->l = ncol;
938	if (screen.flags & Screen_Autowrap)	974	if (screen.flags & Screen_Autowrap)
…		…
941	goto end_of_line;	977	goto end_of_line;
942	}	978	}
943		979
944	c = NOCHAR;	980	c = NOCHAR;
945	}	981	}
946	while (expect_false (--width > 0));	982	while (ecb_unlikely (--width > 0));
947		983
948	// pad with spaces when overwriting wide character with smaller one	984	// pad with spaces when overwriting wide character with smaller one
949	for (int c = screen.cur.col; expect_false (c < ncol && line->t[c] == NOCHAR); c++)	985	for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
950	{	986	{
951	line->t[c] = ' ';	987	line->t[c] = ' ';
952	line->r[c] = rend;	988	line->r[c] = rend;
953	}	989	}
954		990
…		…
976	}	1012	}
977	else if (screen.cur.row > 0	1013	else if (screen.cur.row > 0
978	&& ROW(screen.cur.row - 1).is_longer ())	1014	&& ROW(screen.cur.row - 1).is_longer ())
979	{	1015	{
980	linep = &ROW(screen.cur.row - 1);	1016	linep = &ROW(screen.cur.row - 1);
981	tp = line->t + ncol - 1;	1017	tp = linep->t + ncol - 1;
982	rp = line->r + ncol - 1;	1018	rp = linep->r + ncol - 1;
983	}	1019	}
984	else	1020	else
985	continue;	1021	continue;
986		1022
987	linep->touch ();	1023	linep->touch ();
…		…
1113	* XTERM_SEQ: ESC 6	1149	* XTERM_SEQ: ESC 6
1114	* Move cursor left in row. If we're at the left boundary, shift everything	1150	* Move cursor left in row. If we're at the left boundary, shift everything
1115	* in that row right. Clear left column.	1151	* in that row right. Clear left column.
1116	*/	1152	*/
1117	#if !ENABLE_MINIMAL	1153	#if !ENABLE_MINIMAL
1118	void	1154	void ecb_cold
1119	rxvt_term::scr_backindex () NOTHROW	1155	rxvt_term::scr_backindex () NOTHROW
1120	{	1156	{
1121	if (screen.cur.col > 0)	1157	if (screen.cur.col > 0)
1122	scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);	1158	scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1123	else	1159	else
…		…
1130	* XTERM_SEQ: ESC 9	1166	* XTERM_SEQ: ESC 9
1131	* Move cursor right in row. If we're at the right boundary, shift everything	1167	* Move cursor right in row. If we're at the right boundary, shift everything
1132	* in that row left. Clear right column.	1168	* in that row left. Clear right column.
1133	*/	1169	*/
1134	#if !ENABLE_MINIMAL	1170	#if !ENABLE_MINIMAL
1135	void	1171	void ecb_cold
1136	rxvt_term::scr_forwardindex () NOTHROW	1172	rxvt_term::scr_forwardindex () NOTHROW
1137	{	1173	{
1138	if (screen.cur.col < ncol - 1)	1174	if (screen.cur.col < ncol - 1)
1139	scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);	1175	scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1140	else	1176	else
…		…
1205	* direction should be UP or DN	1241	* direction should be UP or DN
1206	*/	1242	*/
1207	void	1243	void
1208	rxvt_term::scr_index (enum page_dirn direction) NOTHROW	1244	rxvt_term::scr_index (enum page_dirn direction) NOTHROW
1209	{	1245	{
1210	int dirn;
1211
1212	want_refresh = 1;	1246	want_refresh = 1;
1213	ZERO_SCROLLBACK ();	1247	ZERO_SCROLLBACK ();
1214		1248
1215	dirn = ((direction == UP) ? 1 : -1);
1216
1217	screen.flags &= ~Screen_WrapNext;	1249	screen.flags &= ~Screen_WrapNext;
1218		1250
1219	if ((screen.cur.row == screen.bscroll && direction == UP)	1251	if ((screen.cur.row == screen.bscroll && direction == UP)
1220	|| (screen.cur.row == screen.tscroll && direction == DN))	1252	|| (screen.cur.row == screen.tscroll && direction == DN))
1221	scr_scroll_text (screen.tscroll, screen.bscroll, dirn);	1253	scr_scroll_text (screen.tscroll, screen.bscroll, direction);
1222	else	1254	else
1223	screen.cur.row += dirn;	1255	screen.cur.row += direction;
1224		1256
1225	clamp_it (screen.cur.row, 0, nrow - 1);	1257	clamp_it (screen.cur.row, 0, nrow - 1);
1226	selection_check (0);	1258	selection_check (0);
1227	}	1259	}
1228		1260
…		…
1291	scr_blank_line (line, col, num, rstyle);	1323	scr_blank_line (line, col, num, rstyle);
1292	}	1324	}
1293		1325
1294	/* ------------------------------------------------------------------------- */	1326	/* ------------------------------------------------------------------------- */
1295	/*	1327	/*
1296	* Erase part of whole of the screen	1328	* Erase part or whole of the screen
1297	* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J	1329	* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1298	* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J	1330	* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1299	* XTERM_SEQ: Clear whole screen : ESC [ 2 J	1331	* XTERM_SEQ: Clear whole screen : ESC [ 2 J
1300	*/	1332	*/
1301	void	1333	void
…		…
1310	ZERO_SCROLLBACK ();	1342	ZERO_SCROLLBACK ();
1311		1343
1312	switch (mode)	1344	switch (mode)
1313	{	1345	{
1314	case 0: /* erase to end of screen */	1346	case 0: /* erase to end of screen */
1315	selection_check (1);
1316	scr_erase_line (0);	1347	scr_erase_line (0);
1317	row = screen.cur.row + 1; /* possible OOB */	1348	row = screen.cur.row + 1; /* possible OOB */
1318	num = nrow - row;	1349	num = nrow - row;
1319	break;	1350	break;
1320	case 1: /* erase to beginning of screen */	1351	case 1: /* erase to beginning of screen */
1321	selection_check (3);
1322	scr_erase_line (1);	1352	scr_erase_line (1);
1323	row = 0;	1353	row = 0;
1324	num = screen.cur.row;	1354	num = screen.cur.row;
1325	break;	1355	break;
1326	case 2: /* erase whole screen */	1356	case 2: /* erase whole screen */
1327	selection_check (3);
1328	row = 0;	1357	row = 0;
1329	num = nrow;	1358	num = nrow;
1330	break;	1359	break;
1331	default:	1360	default:
1332	return;	1361	return;
…		…
1349	{	1378	{
1350	ren = DEFAULT_RSTYLE;	1379	ren = DEFAULT_RSTYLE;
1351		1380
1352	if (mapped)	1381	if (mapped)
1353	XClearArea (dpy, vt, 0,	1382	XClearArea (dpy, vt, 0,
1354	Row2Pixel (row - view_start), (unsigned int)width,	1383	Row2Pixel (row - view_start), (unsigned int)vt_width,
1355	(unsigned int)Height2Pixel (num), False);	1384	(unsigned int)Height2Pixel (num), False);
1356	}	1385	}
1357	else	1386	else
1358	{	1387	{
1359	ren = rstyle & (RS_fgMask | RS_bgMask);	1388	ren = rstyle & (RS_fgMask | RS_bgMask);
…		…
1362	{	1391	{
1363	gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];	1392	gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1364	XChangeGC (dpy, gc, GCForeground, &gcvalue);	1393	XChangeGC (dpy, gc, GCForeground, &gcvalue);
1365	XFillRectangle (dpy, vt, gc,	1394	XFillRectangle (dpy, vt, gc,
1366	0, Row2Pixel (row - view_start),	1395	0, Row2Pixel (row - view_start),
1367	(unsigned int)width,	1396	(unsigned int)vt_width,
1368	(unsigned int)Height2Pixel (num));	1397	(unsigned int)Height2Pixel (num));
1369	gcvalue.foreground = pix_colors[Color_fg];	1398	gcvalue.foreground = pix_colors[Color_fg];
1370	XChangeGC (dpy, gc, GCForeground, &gcvalue);	1399	XChangeGC (dpy, gc, GCForeground, &gcvalue);
1371	}	1400	}
1372	}	1401	}
…		…
1394	/* ------------------------------------------------------------------------- */	1423	/* ------------------------------------------------------------------------- */
1395	/*	1424	/*
1396	* Fill the screen with `E's	1425	* Fill the screen with `E's
1397	* XTERM_SEQ: Screen Alignment Test: ESC # 8	1426	* XTERM_SEQ: Screen Alignment Test: ESC # 8
1398	*/	1427	*/
1399	void	1428	void ecb_cold
1400	rxvt_term::scr_E () NOTHROW	1429	rxvt_term::scr_E () NOTHROW
1401	{	1430	{
1402	rend_t fs;	1431	rend_t fs;
1403		1432
1404	want_refresh = 1;	1433	want_refresh = 1;
1405	ZERO_SCROLLBACK ();	1434	ZERO_SCROLLBACK ();
1406		1435
1407	num_scr_allow = 0;	1436	num_scr_allow = 0;
1408	selection_check (3);	1437
		1438	row_col_t pos;
		1439	pos.row = pos.col = 0;
		1440	if (ROWCOL_IS_AFTER (selection.end, pos))
		1441	CLEAR_SELECTION ();
1409		1442
1410	fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));	1443	fs = SET_FONT (rstyle, FONTSET (rstyle)->find_font ('E'));
1411	for (int row = nrow; row--; )	1444	for (int row = nrow; row--; )
1412	{	1445	{
1413	line_t &line = ROW(row);	1446	line_t &line = ROW(row);
…		…
1564	/* ------------------------------------------------------------------------- */	1597	/* ------------------------------------------------------------------------- */
1565	/*	1598	/*
1566	* Set the scrolling region	1599	* Set the scrolling region
1567	* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r	1600	* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1568	*/	1601	*/
1569	void	1602	void ecb_cold
1570	rxvt_term::scr_scroll_region (int top, int bot) NOTHROW	1603	rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1571	{	1604	{
1572	max_it (top, 0);	1605	max_it (top, 0);
1573	min_it (bot, nrow - 1);	1606	min_it (bot, nrow - 1);
1574		1607
…		…
1584	/*	1617	/*
1585	* Make the cursor visible/invisible	1618	* Make the cursor visible/invisible
1586	* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h	1619	* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1587	* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l	1620	* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1588	*/	1621	*/
1589	void	1622	void ecb_cold
1590	rxvt_term::scr_cursor_visible (int mode) NOTHROW	1623	rxvt_term::scr_cursor_visible (int mode) NOTHROW
1591	{	1624	{
1592	want_refresh = 1;	1625	want_refresh = 1;
1593		1626
1594	if (mode)	1627	if (mode)
…		…
1601	/*	1634	/*
1602	* Set/unset automatic wrapping	1635	* Set/unset automatic wrapping
1603	* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h	1636	* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1604	* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l	1637	* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1605	*/	1638	*/
1606	void	1639	void ecb_cold
1607	rxvt_term::scr_autowrap (int mode) NOTHROW	1640	rxvt_term::scr_autowrap (int mode) NOTHROW
1608	{	1641	{
1609	if (mode)	1642	if (mode)
1610	screen.flags |= Screen_Autowrap;	1643	screen.flags |= Screen_Autowrap;
1611	else	1644	else
…		…
1620	* Relative mode: line numbers are relative to top margin of scrolling region	1653	* Relative mode: line numbers are relative to top margin of scrolling region
1621	* and the cursor cannot be moved outside.	1654	* and the cursor cannot be moved outside.
1622	* XTERM_SEQ: Set Absolute: ESC [ ? 6 h	1655	* XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1623	* XTERM_SEQ: Set Relative: ESC [ ? 6 l	1656	* XTERM_SEQ: Set Relative: ESC [ ? 6 l
1624	*/	1657	*/
1625	void	1658	void ecb_cold
1626	rxvt_term::scr_relative_origin (int mode) NOTHROW	1659	rxvt_term::scr_relative_origin (int mode) NOTHROW
1627	{	1660	{
1628	if (mode)	1661	if (mode)
1629	screen.flags |= Screen_Relative;	1662	screen.flags |= Screen_Relative;
1630	else	1663	else
…		…
1637	/*	1670	/*
1638	* Set insert/replace mode	1671	* Set insert/replace mode
1639	* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h	1672	* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1640	* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l	1673	* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1641	*/	1674	*/
1642	void	1675	void ecb_cold
1643	rxvt_term::scr_insert_mode (int mode) NOTHROW	1676	rxvt_term::scr_insert_mode (int mode) NOTHROW
1644	{	1677	{
1645	if (mode)	1678	if (mode)
1646	screen.flags |= Screen_Insert;	1679	screen.flags |= Screen_Insert;
1647	else	1680	else
…		…
1653	* Set/Unset tabs	1686	* Set/Unset tabs
1654	* XTERM_SEQ: Set tab at current column : ESC H	1687	* XTERM_SEQ: Set tab at current column : ESC H
1655	* XTERM_SEQ: Clear tab at current column: ESC [ 0 g	1688	* XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1656	* XTERM_SEQ: Clear all tabs : ESC [ 3 g	1689	* XTERM_SEQ: Clear all tabs : ESC [ 3 g
1657	*/	1690	*/
1658	void	1691	void ecb_cold
1659	rxvt_term::scr_set_tab (int mode) NOTHROW	1692	rxvt_term::scr_set_tab (int mode) NOTHROW
1660	{	1693	{
1661	if (mode < 0)	1694	if (mode < 0)
1662	memset (tabs, 0, ncol);	1695	memset (tabs, 0, ncol);
1663	else if (screen.cur.col < ncol)	1696	else if (screen.cur.col < ncol)
…		…
1682	if (rvideo_state != on)	1715	if (rvideo_state != on)
1683	{	1716	{
1684	rvideo_state = on;	1717	rvideo_state = on;
1685		1718
1686	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);	1719	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1687	#ifdef HAVE_BG_PIXMAP	1720	#ifdef HAVE_IMG
1688	if (bg_pixmap == None)	1721	if (bg_img == 0)
1689	#endif	1722	#endif
1690	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);	1723	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1691		1724
1692	XGCValues gcvalue;	1725	XGCValues gcvalue;
1693	gcvalue.foreground = pix_colors[Color_fg];	1726	gcvalue.foreground = pix_colors[Color_fg];
…		…
1702	/* ------------------------------------------------------------------------- */	1735	/* ------------------------------------------------------------------------- */
1703	/*	1736	/*
1704	* Report current cursor position	1737	* Report current cursor position
1705	* XTERM_SEQ: Report position: ESC [ 6 n	1738	* XTERM_SEQ: Report position: ESC [ 6 n
1706	*/	1739	*/
1707	void	1740	void ecb_cold
1708	rxvt_term::scr_report_position () NOTHROW	1741	rxvt_term::scr_report_position () NOTHROW
1709	{	1742	{
1710	tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);	1743	tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1711	}	1744	}
1712		1745
…		…
1715	* ------------------------------------------------------------------------- */	1748	* ------------------------------------------------------------------------- */
1716		1749
1717	/*	1750	/*
1718	* Set font style	1751	* Set font style
1719	*/	1752	*/
1720	void	1753	void ecb_cold
1721	rxvt_term::set_font_style () NOTHROW	1754	rxvt_term::set_font_style () NOTHROW
1722	{	1755	{
1723	#if 0	1756	#if 0
1724	switch (charsets [screen.charset])	1757	switch (charsets [screen.charset])
1725	{	1758	{
…		…
1747	* XTERM_SEQ: Invoke G0 character set: CTRL-O	1780	* XTERM_SEQ: Invoke G0 character set: CTRL-O
1748	* XTERM_SEQ: Invoke G1 character set: CTRL-N	1781	* XTERM_SEQ: Invoke G1 character set: CTRL-N
1749	* XTERM_SEQ: Invoke G2 character set: ESC N	1782	* XTERM_SEQ: Invoke G2 character set: ESC N
1750	* XTERM_SEQ: Invoke G3 character set: ESC O	1783	* XTERM_SEQ: Invoke G3 character set: ESC O
1751	*/	1784	*/
1752	void	1785	void ecb_cold
1753	rxvt_term::scr_charset_choose (int set) NOTHROW	1786	rxvt_term::scr_charset_choose (int set) NOTHROW
1754	{	1787	{
1755	screen.charset = set;	1788	screen.charset = set;
1756	set_font_style ();	1789	set_font_style ();
1757	}	1790	}
…		…
1778	* ------------------------------------------------------------------------- */	1811	* ------------------------------------------------------------------------- */
1779		1812
1780	/*	1813	/*
1781	* refresh matching text.	1814	* refresh matching text.
1782	*/	1815	*/
1783	bool	1816	bool ecb_cold
1784	rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW	1817	rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1785	{	1818	{
1786	bool found = false;	1819	bool found = false;
1787		1820
1788	for (int i = 0; i < nrow; i++)	1821	for (int i = 0; i < nrow; i++)
…		…
1807	PART_BEG = 0,	1840	PART_BEG = 0,
1808	PART_END,	1841	PART_END,
1809	RC_COUNT	1842	RC_COUNT
1810	};	1843	};
1811		1844
1812	void	1845	void ecb_hot
1813	rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW	1846	rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1814	{	1847	{
1815	int i;	1848	int i;
1816	row_col_t rc[RC_COUNT];	1849	row_col_t rc[RC_COUNT];
1817		1850
…		…
1854	* Refresh the entire screen	1887	* Refresh the entire screen
1855	*/	1888	*/
1856	void	1889	void
1857	rxvt_term::scr_touch (bool refresh) NOTHROW	1890	rxvt_term::scr_touch (bool refresh) NOTHROW
1858	{	1891	{
1859	scr_expose (0, 0, width, height, refresh);	1892	scr_expose (0, 0, vt_width, vt_height, refresh);
1860	}	1893	}
1861		1894
1862	/* ------------------------------------------------------------------------- */	1895	/* ------------------------------------------------------------------------- */
1863	/*	1896	/*
1864	* Move the display so that the line represented by scrollbar value Y is at	1897	* Move the display so that the line represented by scrollbar value Y is at
1865	* the top of the screen	1898	* the top of the screen
1866	*/	1899	*/
1867	void	1900	void
1868	rxvt_term::scr_move_to (int y, int len) NOTHROW	1901	rxvt_term::scr_move_to (int y, int len) NOTHROW
1869	{	1902	{
1870	scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));	1903	// lerp (y, 0, len, top_row, nrow - 1)
		1904	scr_changeview (top_row + (nrow - 1 - top_row) * y / len);
1871	}	1905	}
1872		1906
1873	/* ------------------------------------------------------------------------- */	1907	/* ------------------------------------------------------------------------- */
1874	/*	1908	/*
1875	* Page the screen up/down nlines	1909	* Page the screen up/down nlines
1876	* direction should be UP or DN	1910	* direction should be UP or DN
1877	*/	1911	*/
1878	bool	1912	bool
1879	rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW	1913	rxvt_term::scr_page (int nlines) NOTHROW
1880	{	1914	{
1881	int new_view_start =
1882	direction == UP ? view_start - nlines
1883	: view_start + nlines;
1884
1885	return scr_changeview (new_view_start);	1915	return scr_changeview (view_start - nlines);
1886	}	1916	}
1887		1917
1888	bool	1918	bool
1889	rxvt_term::scr_changeview (int new_view_start) NOTHROW	1919	rxvt_term::scr_changeview (int new_view_start) NOTHROW
1890	{	1920	{
…		…
1920		1950
1921	# ifndef NO_MAPALERT	1951	# ifndef NO_MAPALERT
1922	# ifdef MAPALERT_OPTION	1952	# ifdef MAPALERT_OPTION
1923	if (option (Opt_mapAlert))	1953	if (option (Opt_mapAlert))
1924	# endif	1954	# endif
1925	XMapWindow (dpy, parent[0]);	1955	XMapWindow (dpy, parent);
1926	# endif	1956	# endif
1927		1957
1928	# if ENABLE_FRILLS	1958	# if ENABLE_FRILLS
1929	if (option (Opt_urgentOnBell))	1959	if (option (Opt_urgentOnBell))
1930	set_urgency (1);	1960	set_urgency (1);
…		…
1943	HOOK_INVOKE ((this, HOOK_BELL, DT_END));	1973	HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1944	#endif	1974	#endif
1945	}	1975	}
1946		1976
1947	/* ------------------------------------------------------------------------- */	1977	/* ------------------------------------------------------------------------- */
1948	/* ARGSUSED */	1978	void ecb_cold
1949	void
1950	rxvt_term::scr_printscreen (int fullhist) NOTHROW	1979	rxvt_term::scr_printscreen (int fullhist) NOTHROW
1951	{	1980	{
1952	#ifdef PRINTPIPE	1981	#ifdef PRINTPIPE
1953	int nrows, row_start;	1982	int nrows, row_start;
1954	FILE *fd = popen_printer ();	1983	FILE *fd = popen_printer ();
…		…
2003	/*	2032	/*
2004	* Refresh the screen	2033	* Refresh the screen
2005	* drawn_text/drawn_rend contain the screen information before the update.	2034	* drawn_text/drawn_rend contain the screen information before the update.
2006	* screen.text/screen.rend contain what the screen will change to.	2035	* screen.text/screen.rend contain what the screen will change to.
2007	*/	2036	*/
2008	void	2037	void ecb_hot
2009	rxvt_term::scr_refresh () NOTHROW	2038	rxvt_term::scr_refresh () NOTHROW
2010	{	2039	{
2011	int16_t col, row, /* column/row we're processing */	2040	int16_t col, row, /* column/row we're processing */
2012	ocrow; /* old cursor row */	2041	ocrow; /* old cursor row */
2013	int i; /* tmp */	2042	int i; /* tmp */
2014	#ifndef NO_CURSORCOLOR
2015	rend_t cc1; /* store colours at cursor position (s) */
2016	#endif
2017	rend_t *crp; // cursor rendition pointer
2018	rend_t ccol1, /* Cursor colour */	2043	rend_t ccol1, /* Cursor colour */
2019	ccol2; /* Cursor colour2 */	2044	ccol2; /* Cursor colour2 */
		2045	rend_t cur_rend;
		2046	int cur_col;
		2047	int cursorwidth;
2020		2048
2021	want_refresh = 0; /* screen is current */	2049	want_refresh = 0; /* screen is current */
2022		2050
2023	if (refresh_type == NO_REFRESH || !mapped)	2051	if (refresh_type == NO_REFRESH || !mapped)
2024	return;	2052	return;
…		…
2027	* A: set up vars	2055	* A: set up vars
2028	*/	2056	*/
2029	refresh_count = 0;	2057	refresh_count = 0;
2030		2058
2031	unsigned int old_screen_flags = screen.flags;	2059	unsigned int old_screen_flags = screen.flags;
2032	char have_bg = 0;	2060	bool have_bg = 0;
2033	#ifdef HAVE_BG_PIXMAP	2061	#ifdef HAVE_IMG
2034	have_bg = bg_pixmap != None;	2062	have_bg = bg_img != 0;
2035	#endif	2063	#endif
2036	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */	2064	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2037		2065
2038	/*	2066	/*
2039	* B: reverse any characters which are selected	2067	* B: reverse any characters which are selected
…		…
2043	HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));	2071	HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2044	#if ENABLE_OVERLAY	2072	#if ENABLE_OVERLAY
2045	scr_swap_overlay ();	2073	scr_swap_overlay ();
2046	#endif	2074	#endif
2047		2075
2048	char showcursor = screen.flags & Screen_VisibleCursor;	2076	bool showcursor = screen.flags & Screen_VisibleCursor;
2049		2077
2050	/*	2078	/*
2051	* C: set the cursor character (s)	2079	* C: set the cursor character (s)
2052	*/	2080	*/
2053	{	2081	{
2054	unsigned char setoldcursor;
2055
2056	#ifdef CURSOR_BLINK	2082	#ifdef CURSOR_BLINK
2057	if (hidden_cursor)	2083	if (hidden_cursor)
2058	showcursor = 0;	2084	showcursor = 0;
2059	#endif	2085	#endif
2060		2086
…		…
2063	int col = screen.cur.col;	2089	int col = screen.cur.col;
2064		2090
2065	while (col && ROW(screen.cur.row).t[col] == NOCHAR)	2091	while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2066	col--;	2092	col--;
2067		2093
		2094	cursorwidth = 1;
		2095	while (col + cursorwidth < ncol
		2096	&& ROW(screen.cur.row).t[col + cursorwidth] == NOCHAR)
		2097	cursorwidth++;
		2098
2068	crp = &ROW(screen.cur.row).r[col];	2099	cur_rend = ROW(screen.cur.row).r[col];
		2100	cur_col = col;
2069		2101
2070	#ifndef NO_CURSORCOLOR	2102	#ifndef NO_CURSORCOLOR
2071	cc1 = *crp & (RS_fgMask | RS_bgMask);
2072	if (ISSET_PIXCOLOR (Color_cursor))	2103	if (ISSET_PIXCOLOR (Color_cursor))
2073	ccol1 = Color_cursor;	2104	ccol1 = Color_cursor;
2074	else	2105	else
2075	#endif	2106	#endif
2076	#ifdef CURSOR_COLOR_IS_RENDITION_COLOR	2107	#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
…		…
2088	ccol2 = bgcolor_of (rstyle);	2119	ccol2 = bgcolor_of (rstyle);
2089	#else	2120	#else
2090	ccol2 = Color_bg;	2121	ccol2 = Color_bg;
2091	#endif	2122	#endif
2092		2123
2093	if (focus)	2124	if (focus && cursor_type == 0)
2094	{	2125	{
2095	if (option (Opt_cursorUnderline))	2126	rend_t rend = cur_rend;
2096	*crp ^= RS_Uline;	2127
2097	else
2098	{
2099	*crp ^= RS_RVid;	2128	rend ^= RS_RVid;
2100	*crp = SET_FGCOLOR (*crp, ccol1);	2129	rend = SET_FGCOLOR (rend, ccol1);
2101	*crp = SET_BGCOLOR (*crp, ccol2);	2130	rend = SET_BGCOLOR (rend, ccol2);
2102	}	2131
		2132	scr_set_char_rend (ROW(screen.cur.row), cur_col, rend);
2103	}	2133	}
2104	}	2134	}
2105		2135
2106	/* make sure no outline cursor is left around */	2136	/* make sure no outline cursor is left around */
2107	setoldcursor = 0;	2137	if (ocrow != -1 && ocrow < nrow && oldcursor.col < ncol)
2108	if (ocrow != -1)	2138	drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
		2139
		2140	// save the current cursor coordinates if the cursor is visible
		2141	// and either the window is unfocused or the cursor style is
		2142	// underline or vertical bar, so as to clear the outline cursor in
		2143	// the next refresh if the cursor moves or becomes invisible
		2144	if (showcursor && (!focus || cursor_type != 0) && screen.cur.row - view_start < nrow)
2109	{	2145	{
2110	if (screen.cur.row - view_start != ocrow	2146	oldcursor.row = screen.cur.row - view_start;
2111	|| screen.cur.col != oldcursor.col)	2147	oldcursor.col = screen.cur.col;
2112	{
2113	if (ocrow < nrow
2114	&& oldcursor.col < ncol)
2115	drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
2116
2117	if (focus || !showcursor)
2118	oldcursor.row = -1;
2119	else
2120	setoldcursor = 1;
2121	}
2122	}	2148	}
2123	else if (!focus)	2149	else
2124	setoldcursor = 1;
2125
2126	if (setoldcursor)
2127	{
2128	if (screen.cur.row - view_start >= nrow)
2129	oldcursor.row = -1;	2150	oldcursor.row = -1;
2130	else
2131	{
2132	oldcursor.row = screen.cur.row - view_start;
2133	oldcursor.col = screen.cur.col;
2134	}
2135	}
2136	}	2151	}
2137		2152
2138	#ifndef NO_SLOW_LINK_SUPPORT	2153	#ifndef NO_SLOW_LINK_SUPPORT
2139	/*	2154	/*
2140	* D: CopyArea pass - very useful for slower links	2155	* D: CopyArea pass - very useful for slower links
…		…
2146	{	2161	{
2147	int16_t nits;	2162	int16_t nits;
2148	int i = num_scr;	2163	int i = num_scr;
2149	int j;	2164	int j;
2150	int len, wlen;	2165	int len, wlen;
2151	dLocal (int, num_scr);
2152		2166
2153	j = nrow;	2167	j = nrow;
2154	wlen = len = -1;	2168	wlen = len = -1;
2155	row = i > 0 ? 0 : j - 1;	2169	row = i > 0 ? 0 : j - 1;
2156		2170
…		…
2222	int ypixel = (int)Row2Pixel (row);	2236	int ypixel = (int)Row2Pixel (row);
2223		2237
2224	for (col = 0; col < ncol; col++)	2238	for (col = 0; col < ncol; col++)
2225	{	2239	{
2226	/* compare new text with old - if exactly the same then continue */	2240	/* compare new text with old - if exactly the same then continue */
2227	if (stp[col] == dtp[col] /* Must match characters to skip. */	2241	if (stp[col] == dtp[col] && RS_SAME (srp[col], drp[col]))
2228	&& (RS_SAME (srp[col], drp[col]) /* Either rendition the same or */
2229	|| (stp[col] == ' ' /* space w/ no background change */
2230	&& GET_BGATTR (srp[col]) == GET_BGATTR (drp[col]))))
2231	continue;	2242	continue;
2232		2243
2233	// redraw one or more characters	2244	// redraw one or more characters
2234		2245
2235	// seek to the beginning of wide characters	2246	// seek to the beginning of wide characters
2236	while (expect_false (stp[col] == NOCHAR && col > 0))	2247	while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2237	--col;	2248	--col;
2238		2249
2239	rend_t rend = srp[col]; /* screen rendition (target rendition) */	2250	rend_t rend = srp[col]; /* screen rendition (target rendition) */
2240	text_t *text = stp + col;	2251	text_t *text = stp + col;
2241	int count = 1;	2252	int count = 1;
…		…
2279		2290
2280	col--; /* went one too far. move back */	2291	col--; /* went one too far. move back */
2281	count -= i; /* dump any matching trailing chars */	2292	count -= i; /* dump any matching trailing chars */
2282		2293
2283	// sometimes we optimize away the trailing NOCHAR's, add them back	2294	// sometimes we optimize away the trailing NOCHAR's, add them back
2284	while (expect_false (i && text[count] == NOCHAR))	2295	while (ecb_unlikely (i && text[count] == NOCHAR))
2285	count++, i--;	2296	count++, i--;
2286		2297
2287	/*	2298	/*
2288	* Determine the attributes for the string	2299	* Determine the attributes for the string
2289	*/	2300	*/
2290	int fore = fgcolor_of (rend); // desired foreground	2301	int fore = fgcolor_of (rend); // desired foreground
2291	int back = bgcolor_of (rend); // desired background	2302	int back = bgcolor_of (rend); // desired background
2292		2303
2293	// only do special processing if any attributes are set, which is unlikely	2304	// only do special processing if any attributes are set, which is unlikely
2294	if (expect_false (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))	2305	if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2295	{	2306	{
2296	bool invert = rend & RS_RVid;	2307	bool invert = rend & RS_RVid;
2297		2308
2298	#ifndef NO_BOLD_UNDERLINE_REVERSE	2309	#ifndef NO_BOLD_UNDERLINE_REVERSE
2299	if (rend & RS_Bold && fore == Color_fg)	2310	if (rend & RS_Bold && fore == Color_fg)
…		…
2388	/*	2399	/*
2389	* Actually do the drawing of the string here	2400	* Actually do the drawing of the string here
2390	*/	2401	*/
2391	rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];	2402	rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2392		2403
2393	if (expect_true (have_bg && back == Color_bg))	2404	if (ecb_likely (have_bg && back == Color_bg))
2394	{	2405	{
2395	// this is very ugly, maybe push it into ->draw?	2406	// this is very ugly, maybe push it into ->draw?
2396		2407
2397	for (i = 0; i < count; i++) /* don't draw empty strings */	2408	for (i = 0; i < count; i++) /* don't draw empty strings */
2398	if (text[i] != ' ')	2409	if (text[i] != ' ')
…		…
2405	did_clear: ;	2416	did_clear: ;
2406	}	2417	}
2407	else	2418	else
2408	font->draw (*drawable, xpixel, ypixel, text, count, fore, back);	2419	font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2409		2420
2410	if (expect_false (rend & RS_Uline && font->descent > 1 && fore != back))	2421	if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2411	{	2422	{
		2423	if (showcursor && focus && row == screen.cur.row
		2424	&& IN_RANGE_EXC (col, cur_col, cur_col + cursorwidth))
		2425	XSetForeground (dpy, gc, pix_colors[ccol1]);
		2426	else
2412	#if ENABLE_FRILLS	2427	#if ENABLE_FRILLS
2413	if (ISSET_PIXCOLOR (Color_underline))	2428	if (ISSET_PIXCOLOR (Color_underline))
2414	XSetForeground (dpy, gc, pix_colors[Color_underline]);	2429	XSetForeground (dpy, gc, pix_colors[Color_underline]);
2415	else	2430	else
2416	#endif	2431	#endif
…		…
2428	*/	2443	*/
2429	if (showcursor)	2444	if (showcursor)
2430	{	2445	{
2431	if (focus)	2446	if (focus)
2432	{	2447	{
2433	if (option (Opt_cursorUnderline))	2448	if (cursor_type == 0)
2434	*crp ^= RS_Uline;	2449	scr_set_char_rend (ROW(screen.cur.row), cur_col, cur_rend);
2435	else	2450	else if (oldcursor.row >= 0)
2436	{	2451	{
2437	*crp ^= RS_RVid;	2452	XSetForeground (dpy, gc, pix_colors[ccol1]);
2438	#ifndef NO_CURSORCOLOR	2453	if (cursor_type == 1)
2439	*crp = (*crp & ~ (RS_fgMask | RS_bgMask)) | cc1;	2454	XFillRectangle (dpy, vt, gc,
2440	#endif	2455	Col2Pixel (cur_col),
		2456	Row2Pixel (oldcursor.row + 1) - 2,
		2457	Width2Pixel (1),
		2458	2);
		2459	else
		2460	XFillRectangle (dpy, vt, gc,
		2461	Col2Pixel (cur_col),
		2462	Row2Pixel (oldcursor.row),
		2463	2,
		2464	Height2Pixel (1));
2441	}	2465	}
2442	}	2466	}
2443	else if (oldcursor.row >= 0)	2467	else if (oldcursor.row >= 0)
2444	{	2468	{
2445	int cursorwidth = 1;
2446	int col = oldcursor.col;
2447
2448	while (col && ROW(screen.cur.row).t[col] == NOCHAR)
2449	col--;
2450
2451	while (col + cursorwidth < ncol
2452	&& drawn_buf[oldcursor.row].t[col + cursorwidth] == NOCHAR)
2453	cursorwidth++;
2454
2455	#ifndef NO_CURSORCOLOR
2456	if (ISSET_PIXCOLOR (Color_cursor))
2457	XSetForeground (dpy, gc, pix_colors[Color_cursor]);
2458	else
2459	#endif
2460	XSetForeground (dpy, gc, pix_colors[ccol1]);	2469	XSetForeground (dpy, gc, pix_colors[ccol1]);
2461		2470
2462	XDrawRectangle (dpy, vt, gc,	2471	XDrawRectangle (dpy, vt, gc,
2463	Col2Pixel (col),	2472	Col2Pixel (cur_col),
2464	Row2Pixel (oldcursor.row),	2473	Row2Pixel (oldcursor.row),
2465	(unsigned int) (Width2Pixel (cursorwidth) - 1),	2474	(unsigned int) (Width2Pixel (cursorwidth) - 1),
2466	(unsigned int) (Height2Pixel (1) - lineSpace - 1));	2475	(unsigned int) (Height2Pixel (1) - 1));
2467	}	2476	}
2468	}	2477	}
2469		2478
2470	/*	2479	/*
2471	* H: cleanup selection	2480	* H: cleanup selection
…		…
2480	screen.flags = old_screen_flags;	2489	screen.flags = old_screen_flags;
2481	num_scr = 0;	2490	num_scr = 0;
2482	num_scr_allow = 1;	2491	num_scr_allow = 1;
2483	}	2492	}
2484		2493
2485	void	2494	void ecb_cold
2486	rxvt_term::scr_remap_chars (line_t &l) NOTHROW	2495	rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2487	{	2496	{
2488	if (!l.t)	2497	if (!l.valid ())
2489	return;	2498	return;
2490		2499
2491	l.touch (); // maybe a bit of an overkill, but it's not performance-relevant	2500	l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2492		2501
2493	for (int i = ncol; i--; )	2502	for (int i = ncol; i--; )
2494	l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));	2503	l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2495	}	2504	}
2496		2505
2497	void	2506	void ecb_cold
2498	rxvt_term::scr_remap_chars () NOTHROW	2507	rxvt_term::scr_remap_chars () NOTHROW
2499	{	2508	{
2500	for (int i = total_rows; i--; )	2509	for (int i = total_rows; i--; )
2501	scr_remap_chars (row_buf [i]);	2510	scr_remap_chars (row_buf [i]);
2502		2511
…		…
2505	scr_remap_chars (drawn_buf [i]);	2514	scr_remap_chars (drawn_buf [i]);
2506	scr_remap_chars (swap_buf [i]);	2515	scr_remap_chars (swap_buf [i]);
2507	}	2516	}
2508	}	2517	}
2509		2518
2510	void	2519	void ecb_cold
2511	rxvt_term::scr_recolour (bool refresh) NOTHROW	2520	rxvt_term::scr_recolor (bool refresh) NOTHROW
2512	{	2521	{
2513	bool transparent = false;	2522	bool transparent = false;
2514		2523
2515	#ifdef HAVE_BG_PIXMAP	2524	#ifdef HAVE_IMG
2516	if (bg_pixmap != None)	2525	if (bg_img != 0)
2517	{	2526	{
2518	# ifdef ENABLE_TRANSPARENCY	2527	# if ENABLE_TRANSPARENCY
2519	if (bg_flags & BG_IS_TRANSPARENT)	2528	if (bg_flags & BG_IS_TRANSPARENT)
2520	{	2529	{
2521	XSetWindowBackgroundPixmap (dpy, parent[0], bg_pixmap);	2530	XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
2522	XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);	2531	XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2523		2532
2524	transparent = true;	2533	transparent = true;
2525	}	2534	}
2526	else	2535	else
2527	# endif	2536	# endif
2528	{	2537	{
2529	XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]);	2538	XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2530	XSetWindowBackgroundPixmap (dpy, vt, bg_pixmap);	2539	XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
2531	}	2540	}
2532	}	2541	}
2533	else	2542	else
2534	#endif	2543	#endif
2535	{	2544	{
2536	XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]);	2545	XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2537	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);	2546	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2538	}	2547	}
2539		2548
2540	XClearWindow (dpy, parent[0]);	2549	XClearWindow (dpy, parent);
2541		2550
2542	if (scrollBar.win)	2551	if (scrollBar.state && scrollBar.win)
2543	{	2552	{
2544	if (transparent)	2553	if (transparent)
2545	XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);	2554	XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
2546	else	2555	else
2547	XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);	2556	XSetWindowBackground (dpy, scrollBar.win, pix_colors[scrollBar.color ()]);
2548	scrollBar.state = STATE_IDLE;	2557	scrollBar.state = SB_STATE_IDLE;
2549	scrollBar.show (0);	2558	scrollBar.show (0);
2550	}	2559	}
2551		2560
2552	if (refresh)	2561	if (refresh)
2553	{	2562	{
…		…
2618	for (rend_t *srp = ROW(row).r; col < end_col; col++)	2627	for (rend_t *srp = ROW(row).r; col < end_col; col++)
2619	srp[col] ^= rstyle;	2628	srp[col] ^= rstyle;
2620	}	2629	}
2621		2630
2622	/* ------------------------------------------------------------------------- */	2631	/* ------------------------------------------------------------------------- */
2623	void	2632	void ecb_hot
2624	rxvt_term::scr_reverse_selection () NOTHROW	2633	rxvt_term::scr_reverse_selection () NOTHROW
2625	{	2634	{
2626	if (selection.op	2635	if (selection.op
2627	&& current_screen == selection.screen	2636	&& current_screen == selection.screen
2628	&& selection.end.row >= view_start)	2637	&& selection.end.row >= view_start)
…		…
2647	*/	2656	*/
2648	#if 0	2657	#if 0
2649	void	2658	void
2650	rxvt_term::scr_dump (int fd) NOTHROW	2659	rxvt_term::scr_dump (int fd) NOTHROW
2651	{	2660	{
2652	int row, wrote;	2661	// if this method is needed, it can be implemented by factoring the
2653	unsigned int width, towrite;	2662	// relevant code in scr_printscreen
2654	const char r1[] = "\n";
2655
2656	for (row = saveLines + top_row;
2657	row < saveLines + nrow - 1; row++)
2658	{
2659	width = row_buf[row].l >= 0 ? row_buf[row].l
2660	: ncol;
2661	for (towrite = width; towrite; towrite -= wrote)
2662	{
2663	wrote = write (fd, & (row_buf[row].t[width - towrite]),
2664	towrite);
2665	if (wrote < 0)
2666	return; /* XXX: death, no report */
2667	}
2668	if (row_buf[row].l >= 0)
2669	if (write (fd, r1, 1) <= 0)
2670	return; /* XXX: death, no report */
2671	}
2672	}	2663	}
2673	#endif	2664	#endif
2674		2665
2675	/* ------------------------------------------------------------------------- *	2666	/* ------------------------------------------------------------------------- *
2676	* CHARACTER SELECTION *	2667	* CHARACTER SELECTION *
2677	* ------------------------------------------------------------------------- */	2668	* ------------------------------------------------------------------------- */
2678	void	2669	void
2679	rxvt_term::selection_check (int check_more) NOTHROW	2670	rxvt_term::selection_check (int check_more) NOTHROW
2680	{	2671	{
2681	row_col_t pos;
2682
2683	if (!selection.op)	2672	if (!selection.op)
2684	return;	2673	return;
2685		2674
2686	pos.row = pos.col = 0;
2687	if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)	2675	if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2688	|| !IN_RANGE_EXC (selection.mark.row, top_row, nrow)	2676	|| !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2689	|| !IN_RANGE_EXC (selection.end.row, top_row, nrow)	2677	|| !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2690	|| (check_more == 1	2678	|| (check_more == 1
2691	&& current_screen == selection.screen	2679	&& current_screen == selection.screen
2692	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)	2680	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2693	&& ROWCOL_IS_BEFORE (screen.cur, selection.end))	2681	&& ROWCOL_IS_BEFORE (screen.cur, selection.end)))
2694	|| (check_more == 2
2695	&& ROWCOL_IS_BEFORE (selection.beg, pos)
2696	&& ROWCOL_IS_AFTER (selection.end, pos))
2697	|| (check_more == 3
2698	&& ROWCOL_IS_AFTER (selection.end, pos))
2699	|| (check_more == 4 /* screen width change */
2700	&& (selection.beg.row != selection.end.row
2701	|| selection.end.col > ncol)))
2702	CLEAR_SELECTION ();	2682	CLEAR_ALL_SELECTION ();
		2683	}
		2684
		2685	void
		2686	rxvt_term::selection_changed () NOTHROW
		2687	{
		2688	line_t &r1 = ROW (selection.beg.row);
		2689	while (selection.beg.col < r1.l && r1.t [selection.beg.col] == NOCHAR)
		2690	++selection.beg.col;
		2691
		2692	line_t &r2 = ROW (selection.end.row);
		2693	while (selection.end.col < r2.l && r2.t [selection.end.col] == NOCHAR)
		2694	++selection.end.col;
		2695
		2696	want_refresh = 1;
2703	}	2697	}
2704		2698
2705	/* ------------------------------------------------------------------------- */	2699	/* ------------------------------------------------------------------------- */
2706	/*	2700	/*
2707	* Paste a selection direct to the command fd	2701	* Paste a selection direct to the command fd
…		…
2713	for (unsigned int i = 0; i < len; i++)	2707	for (unsigned int i = 0; i < len; i++)
2714	if (data[i] == C0_LF)	2708	if (data[i] == C0_LF)
2715	data[i] = C0_CR;	2709	data[i] = C0_CR;
2716		2710
2717	if (priv_modes & PrivMode_BracketPaste)	2711	if (priv_modes & PrivMode_BracketPaste)
2718	tt_printf ("\e[200~");	2712	tt_printf ("\x1b[200~");
2719		2713
2720	tt_write (data, len);	2714	tt_write (data, len);
2721		2715
2722	if (priv_modes & PrivMode_BracketPaste)	2716	if (priv_modes & PrivMode_BracketPaste)
2723	tt_printf ("\e[201~");	2717	tt_printf ("\x1b[201~");
2724	}	2718	}
2725		2719
2726	void	2720	void
2727	rxvt_term::paste (char *data, unsigned int len) NOTHROW	2721	rxvt_term::paste (char *data, unsigned int len) NOTHROW
2728	{	2722	{
…		…
2732	tt_paste (data, len);	2726	tt_paste (data, len);
2733	}	2727	}
2734		2728
2735	/* ------------------------------------------------------------------------- */	2729	/* ------------------------------------------------------------------------- */
2736	/*	2730	/*
2737	* Request the current selection:	2731	* Request PRIMARY, SECONDARY or CLIPBOARD selection.
2738	* Order: > internal selection if available	2732	* if the requested selection has no owner or is empty CUT_BUFFER0 is used
2739	* > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+)	2733	* as fallback
2740	* > CUT_BUFFER0
2741	* (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2742	* will auto fallback to CUT_BUFFER0
2743	* EXT: button 2 release	2734	* EXT: button 2 release
2744	*/	2735	*/
2745
2746	static void
2747	selection_cb (char *data, unsigned int len, rxvt_selection *rs, void *ptr)
2748	{
2749	if (data)
2750	{
2751	rxvt_term *term = (rxvt_term *)ptr;
2752	term->paste (data, len);
2753	}
2754	delete rs;
2755	}
2756
2757	void	2736	void
2758	rxvt_term::selection_request (Time tm, int selnum) NOTHROW	2737	rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2759	{	2738	{
2760	if (selection.text && selnum == Sel_Primary)	2739	if (!selection_req)
2761	{
2762	/* internal selection */
2763	char *str = rxvt_wcstombs (selection.text, selection.len);
2764	paste (str, strlen (str));
2765	free (str);
2766	return;
2767	}	2740	{
2768	else
2769	{
2770	new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], selection_cb, this);	2741	selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
		2742	selection_req->run ();
2771	}	2743	}
2772	}	2744	}
2773		2745
2774	/* ------------------------------------------------------------------------- */	2746	/* ------------------------------------------------------------------------- */
2775	/*	2747	/*
…		…
2970	/* ------------------------------------------------------------------------- */	2942	/* ------------------------------------------------------------------------- */
2971	/*	2943	/*
2972	* Mark or select text based upon number of clicks: 1, 2, or 3	2944	* Mark or select text based upon number of clicks: 1, 2, or 3
2973	* EXT: button 1 press	2945	* EXT: button 1 press
2974	*/	2946	*/
2975	void	2947	void ecb_cold
2976	rxvt_term::selection_click (int clicks, int x, int y) NOTHROW	2948	rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
2977	{	2949	{
2978	clicks = ((clicks - 1) % 3) + 1;	2950	clicks = ((clicks - 1) % 3) + 1;
2979	selection.clicks = clicks; /* save clicks so extend will work */	2951	selection.clicks = clicks; /* save clicks so extend will work */
2980		2952
…		…
2999		2971
3000	/* ------------------------------------------------------------------------- */	2972	/* ------------------------------------------------------------------------- */
3001	/*	2973	/*
3002	* Mark a selection at the specified col/row	2974	* Mark a selection at the specified col/row
3003	*/	2975	*/
3004	void	2976	void ecb_cold
3005	rxvt_term::selection_start_colrow (int col, int row) NOTHROW	2977	rxvt_term::selection_start_colrow (int col, int row) NOTHROW
3006	{	2978	{
3007	want_refresh = 1;	2979	want_refresh = 1;
3008		2980
3009	selection.mark.row = row + view_start;	2981	selection.mark.row = row + view_start;
…		…
3032	* Word select: select text for 2 clicks	3004	* Word select: select text for 2 clicks
3033	* We now only find out the boundary in one direction	3005	* We now only find out the boundary in one direction
3034	*/	3006	*/
3035		3007
3036	/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */	3008	/* what do we want: spaces/tabs are delimiters or cutchars or non-cutchars */
3037	#define DELIMIT_TEXT(x) \	3009	#define DELIMIT_TEXT(x) \
3038	(unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))	3010	(unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3039	#define DELIMIT_REND(x) 1	3011	#define DELIMIT_REND(x) 1
3040		3012
3041	void	3013	void ecb_cold
3042	rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW	3014	rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
3043	{	3015	{
3044	int col, row, dirnadd, tcol, trow, w1, w2;	3016	int col, row, dirnadd, tcol, trow, w1, w2;
3045	row_col_t bound;	3017	row_col_t bound;
3046	text_t *stp;	3018	text_t *stp;
…		…
3120	* EXT: button 3 press; button 1 or 3 drag	3092	* EXT: button 3 press; button 1 or 3 drag
3121	* flag == 0 ==> button 1	3093	* flag == 0 ==> button 1
3122	* flag == 1 ==> button 3 press	3094	* flag == 1 ==> button 3 press
3123	* flag == 2 ==> button 3 motion	3095	* flag == 2 ==> button 3 motion
3124	*/	3096	*/
3125	void	3097	void ecb_cold
3126	rxvt_term::selection_extend (int x, int y, int flag) NOTHROW	3098	rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
3127	{	3099	{
3128	int col = clamp (Pixel2Col (x), 0, ncol);	3100	int col = clamp (Pixel2Col (x), 0, ncol);
3129	int row = clamp (Pixel2Row (y), 0, nrow - 1);	3101	int row = clamp (Pixel2Row (y), 0, nrow - 1);
3130		3102
…		…
3156		3128
3157	/* ------------------------------------------------------------------------- */	3129	/* ------------------------------------------------------------------------- */
3158	/*	3130	/*
3159	* Extend the selection to the specified col/row	3131	* Extend the selection to the specified col/row
3160	*/	3132	*/
3161	void	3133	void ecb_cold
3162	rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW	3134	rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
3163	{	3135	{
3164	row_col_t pos;	3136	row_col_t pos;
3165	enum {	3137	enum {
3166	LEFT, RIGHT	3138	LEFT, RIGHT
3167	} closeto = RIGHT;	3139	} closeto = RIGHT;
3168
3169	want_refresh = 1;
3170		3140
3171	switch (selection.op)	3141	switch (selection.op)
3172	{	3142	{
3173	case SELECTION_INIT:	3143	case SELECTION_INIT:
3174	CLEAR_SELECTION ();	3144	CLEAR_SELECTION ();
…		…
3354		3324
3355	#if !ENABLE_MINIMAL	3325	#if !ENABLE_MINIMAL
3356	if (selection.rect && selection.beg.col > selection.end.col)	3326	if (selection.rect && selection.beg.col > selection.end.col)
3357	::swap (selection.beg.col, selection.end.col);	3327	::swap (selection.beg.col, selection.end.col);
3358	#endif	3328	#endif
		3329
		3330	selection_changed ();
3359	}	3331	}
3360		3332
3361	#if !ENABLE_MINIMAL	3333	#if !ENABLE_MINIMAL
3362	void	3334	void ecb_cold
3363	rxvt_term::selection_remove_trailing_spaces () NOTHROW	3335	rxvt_term::selection_remove_trailing_spaces () NOTHROW
3364	{	3336	{
3365	int32_t end_col, end_row;	3337	int32_t end_col, end_row;
3366	text_t *stp;	3338	text_t *stp;
3367		3339
…		…
3405	/* ------------------------------------------------------------------------- */	3377	/* ------------------------------------------------------------------------- */
3406	/*	3378	/*
3407	* Double click on button 3 when already selected	3379	* Double click on button 3 when already selected
3408	* EXT: button 3 double click	3380	* EXT: button 3 double click
3409	*/	3381	*/
3410	void	3382	void ecb_cold
3411	rxvt_term::selection_rotate (int x, int y) NOTHROW	3383	rxvt_term::selection_rotate (int x, int y) NOTHROW
3412	{	3384	{
3413	selection.clicks = selection.clicks % 3 + 1;	3385	selection.clicks = selection.clicks % 3 + 1;
3414	selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);	3386	selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3415	}	3387	}
…		…
3417	/* ------------------------------------------------------------------------- */	3389	/* ------------------------------------------------------------------------- */
3418	/*	3390	/*
3419	* Respond to a request for our current selection	3391	* Respond to a request for our current selection
3420	* EXT: SelectionRequest	3392	* EXT: SelectionRequest
3421	*/	3393	*/
3422	void	3394	void ecb_cold
3423	rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW	3395	rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3424	{	3396	{
		3397	Atom property = rq.property == None ? rq.target : rq.property;
3425	XSelectionEvent ev;	3398	XSelectionEvent ev;
3426		3399
3427	ev.type = SelectionNotify;	3400	ev.type = SelectionNotify;
3428	ev.property = None;	3401	ev.property = None;
3429	ev.display = rq.display;	3402	ev.display = rq.display;
…		…
3444	*target++ = xa[XA_COMPOUND_TEXT];	3417	*target++ = xa[XA_COMPOUND_TEXT];
3445	#if X_HAVE_UTF8_STRING	3418	#if X_HAVE_UTF8_STRING
3446	*target++ = xa[XA_UTF8_STRING];	3419	*target++ = xa[XA_UTF8_STRING];
3447	#endif	3420	#endif
3448		3421
3449	XChangeProperty (dpy, rq.requestor, rq.property, XA_ATOM,	3422	XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3450	32, PropModeReplace,	3423	32, PropModeReplace,
3451	(unsigned char *)target_list, target - target_list);	3424	(unsigned char *)target_list, target - target_list);
3452	ev.property = rq.property;	3425	ev.property = property;
3453	}	3426	}
3454	#if TODO // TODO	3427	#if TODO // TODO
3455	else if (rq.target == xa[XA_MULTIPLE])	3428	else if (rq.target == xa[XA_MULTIPLE])
3456	{	3429	{
3457	/* TODO: Handle MULTIPLE */	3430	/* TODO: Handle MULTIPLE */
3458	}	3431	}
3459	#endif	3432	#endif
3460	else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)	3433	else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3461	{	3434	{
3462	XChangeProperty (dpy, rq.requestor, rq.property, rq.target,	3435	XChangeProperty (dpy, rq.requestor, property, rq.target,
3463	32, PropModeReplace, (unsigned char *)&selection_time, 1);	3436	32, PropModeReplace, (unsigned char *)&selection_time, 1);
3464	ev.property = rq.property;	3437	ev.property = property;
3465	}	3438	}
3466	else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)	3439	else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
3467	{	3440	{
3468	XChangeProperty (dpy, rq.requestor, rq.property, rq.target,	3441	XChangeProperty (dpy, rq.requestor, property, rq.target,
3469	32, PropModeReplace, (unsigned char *)&clipboard_time, 1);	3442	32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3470	ev.property = rq.property;	3443	ev.property = property;
3471	}	3444	}
3472	else if (rq.target == XA_STRING	3445	else if (rq.target == XA_STRING
3473	|| rq.target == xa[XA_TEXT]	3446	|| rq.target == xa[XA_TEXT]
3474	|| rq.target == xa[XA_COMPOUND_TEXT]	3447	|| rq.target == xa[XA_COMPOUND_TEXT]
3475	|| rq.target == xa[XA_UTF8_STRING]	3448	|| rq.target == xa[XA_UTF8_STRING]
…		…
3546	ct.value = (unsigned char *)cl;	3519	ct.value = (unsigned char *)cl;
3547	ct.nitems = selectlen;	3520	ct.nitems = selectlen;
3548	ct.encoding = target;	3521	ct.encoding = target;
3549	}	3522	}
3550		3523
3551	XChangeProperty (dpy, rq.requestor, rq.property,	3524	XChangeProperty (dpy, rq.requestor, property,
3552	ct.encoding, 8, PropModeReplace,	3525	ct.encoding, 8, PropModeReplace,
3553	ct.value, (int)ct.nitems);	3526	ct.value, (int)ct.nitems);
3554	ev.property = rq.property;	3527	ev.property = property;
3555		3528
3556	if (freect)	3529	if (freect)
3557	XFree (ct.value);	3530	XFree (ct.value);
3558	}	3531	}
3559		3532
3560	XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);	3533	XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3561	}	3534	}
3562		3535
3563	/* ------------------------------------------------------------------------- */	3536	/* ------------------------------------------------------------------------- */
3564	#ifdef USE_XIM	3537	#if USE_XIM
3565	void	3538	void ecb_cold
3566	rxvt_term::im_set_position (XPoint &pos) NOTHROW	3539	rxvt_term::im_set_position (XPoint &pos) NOTHROW
3567	{	3540	{
3568	XWindowAttributes xwa;	3541	XWindowAttributes xwa;
3569		3542
3570	XGetWindowAttributes (dpy, vt, &xwa);	3543	XGetWindowAttributes (dpy, vt, &xwa);

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