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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.295 by root, Wed Jan 9 01:01:31 2008 UTC vs.
Revision 1.393 by root, Sun Jul 10 00:40:17 2011 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 seperate compile!	33	#include "salloc.C" // HACK, should be a separate compile!
34		34
		35	static inline void
35	static inline void fill_text (text_t *start, text_t value, int len)	36	fill_text (text_t *start, text_t value, int len)
36	{	37	{
37	while (len--)	38	while (len--)
38	*start++ = value;	39	*start++ = value;
39	}	40	}
40		41
41	/* ------------------------------------------------------------------------- */	42	/* ------------------------------------------------------------------------- */
42	#define PROP_SIZE 256*1024
43	#define PASTE_SIZE 32768
44	#define TABSIZE 8 /* default tab size */	43	#define TABSIZE 8 /* default tab size */
45		44
46	/* ------------------------------------------------------------------------- *	45	/* ------------------------------------------------------------------------- *
47	* GENERAL SCREEN AND SELECTION UPDATE ROUTINES *	46	* GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
48	* ------------------------------------------------------------------------- */	47	* ------------------------------------------------------------------------- */
…		…
83	ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col)	82	ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col)
84	#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \	83	#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \
85	ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col)	84	ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
86		85
87	/*	86	/*
88	* CLEAR_ROWS : clear <num> rows starting from row <row>
89	* CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>	87	* CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>
90	* ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour
91	*/	88	*/
92	#define drawBuffer vt
93
94	#define CLEAR_ROWS(row, num) \
95	if (mapped) \
96	XClearArea (dpy, drawBuffer, 0, \
97	Row2Pixel (row), (unsigned int)width, \
98	(unsigned int)Height2Pixel (num), False)
99
100	#define CLEAR_CHARS(x, y, num) \	89	#define CLEAR_CHARS(x, y, num) \
101	if (mapped) \	90	if (mapped) \
102	XClearArea (dpy, drawBuffer, x, y, \	91	XClearArea (dpy, vt, x, y, \
103	(unsigned int)Width2Pixel (num), \	92	(unsigned int)Width2Pixel (num), \
104	(unsigned int)Height2Pixel (1), False)	93	(unsigned int)Height2Pixel (1), False)
105
106	#define ERASE_ROWS(row, num) \
107	XFillRectangle (dpy, drawBuffer, gc, \
108	0, Row2Pixel (row), \
109	(unsigned int)width, \
110	(unsigned int)Height2Pixel (num))
111		94
112	/* ------------------------------------------------------------------------- *	95	/* ------------------------------------------------------------------------- *
113	* SCREEN `COMMON' ROUTINES *	96	* SCREEN `COMMON' ROUTINES *
114	* ------------------------------------------------------------------------- */	97	* ------------------------------------------------------------------------- */
115		98
…		…
148		131
149	l.l = 0;	132	l.l = 0;
150	l.f = 0;	133	l.f = 0;
151	}	134	}
152		135
		136	// nuke a single wide character at the given column
		137	void
		138	rxvt_term::scr_kill_char (line_t &l, int col) const NOTHROW
		139	{
		140	// find begin
		141	while (col > 0 && l.t[col] == NOCHAR)
		142	col--;
		143
		144	rend_t rend = l.r[col] & ~RS_baseattrMask;
		145	rend = SET_FONT (rend, FONTSET (rend)->find_font (' '));
		146
		147	l.touch ();
		148
		149	// found start, nuke
		150	do {
		151	l.t[col] = ' ';
		152	l.r[col] = rend;
		153	col++;
		154	} while (col < ncol && l.t[col] == NOCHAR);
		155	}
		156
153	/* ------------------------------------------------------------------------- *	157	/* ------------------------------------------------------------------------- *
154	* SCREEN INITIALISATION *	158	* SCREEN INITIALISATION *
155	* ------------------------------------------------------------------------- */	159	* ------------------------------------------------------------------------- */
156		160
157	void	161	void
…		…
159	{	163	{
160	#if ENABLE_OVERLAY	164	#if ENABLE_OVERLAY
161	scr_overlay_off ();	165	scr_overlay_off ();
162	#endif	166	#endif
163		167
164	rvideo_mode = false;
165	view_start = 0;	168	view_start = 0;
166	num_scr = 0;	169	num_scr = 0;
167		170
168	if (ncol == 0)	171	if (ncol == 0)
169	ncol = 80;	172	ncol = 80;
…		…
171	if (nrow == 0)	174	if (nrow == 0)
172	nrow = 24;	175	nrow = 24;
173		176
174	if (ncol == prev_ncol && nrow == prev_nrow)	177	if (ncol == prev_ncol && nrow == prev_nrow)
175	return;	178	return;
176
177	if (current_screen != PRIMARY)
178	scr_swap_screen ();
179		179
180	// we need at least two lines for wrapping to work correctly	180	// we need at least two lines for wrapping to work correctly
181	while (nrow + saveLines < 2)	181	while (nrow + saveLines < 2)
182	{	182	{
183	//TODO//FIXME	183	//TODO//FIXME
…		…
203	term_start = 0;	203	term_start = 0;
204		204
205	talloc = new rxvt_salloc (ncol * sizeof (text_t));	205	talloc = new rxvt_salloc (ncol * sizeof (text_t));
206	ralloc = new rxvt_salloc (ncol * sizeof (rend_t));	206	ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
207		207
208	row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));	208	row_buf = (line_t *)rxvt_calloc (total_rows , sizeof (line_t));
209	drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));	209	drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
210	swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));	210	swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
211		211
212	for (int row = nrow; row--; )	212	for (int row = nrow; row--; )
213	{	213	{
…		…
236	selection.text = NULL;	236	selection.text = NULL;
237	selection.len = 0;	237	selection.len = 0;
238	selection.op = SELECTION_CLEAR;	238	selection.op = SELECTION_CLEAR;
239	selection.screen = PRIMARY;	239	selection.screen = PRIMARY;
240	selection.clicks = 0;	240	selection.clicks = 0;
		241	selection.clip_text = NULL;
		242	selection.clip_len = 0;
241	}	243	}
242	else	244	else
243	{	245	{
244	/*	246	/*
245	* add or delete rows as appropriate	247	* add or delete rows as appropriate
…		…
273	swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);	275	swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
274	drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);	276	drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
275	}	277	}
276		278
277	line_t *old_buf = row_buf;	279	line_t *old_buf = row_buf;
278	row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));	280	row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
279		281
280	int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row	282	int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
281	int pend = MOD (term_start + top_row , prev_total_rows);	283	int pend = MOD (term_start + top_row , prev_total_rows);
282	int q = total_rows; // rewrapped row	284	int q = total_rows; // rewrapped row
283		285
284	if (top_row)	286	if (top_row)
285	{	287	{
286	// Re-wrap lines. This is rather ugly, possibly because I am too dumb	288	// Re-wrap lines. This is rather ugly, possibly because I am too dumb
287	// to come up with a lean and mean algorithm.	289	// to come up with a lean and mean algorithm.
		290	// TODO: maybe optimise when width didn't change
288		291
289	row_col_t ocur = screen.cur;	292	row_col_t ocur = screen.cur;
290	ocur.row = MOD (term_start + ocur.row, prev_total_rows);	293	ocur.row = MOD (term_start + ocur.row, prev_total_rows);
291		294
292	do	295	do
293	{	296	{
294	p = MOD (p - 1, prev_total_rows);	297	p = MOD (p - 1, prev_total_rows);
295	#ifdef DEBUG_STRICT
296	assert (old_buf [MOD (p, prev_total_rows)].t);	298	assert (old_buf [MOD (p, prev_total_rows)].t);
297	#endif
298	int plines = 1;	299	int plines = 1;
299	int llen = old_buf [MOD (p, prev_total_rows)].l;	300	int llen = old_buf [MOD (p, prev_total_rows)].l;
300		301
301	while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())	302	while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())
302	{	303	{
…		…
396	delete old_ta;	397	delete old_ta;
397	delete old_ra;	398	delete old_ra;
398		399
399	clamp_it (screen.cur.row, 0, nrow - 1);	400	clamp_it (screen.cur.row, 0, nrow - 1);
400	clamp_it (screen.cur.col, 0, ncol - 1);	401	clamp_it (screen.cur.col, 0, ncol - 1);
		402	}
401		403
402	free (tabs);	404	free (tabs);
403	}	405	tabs = (char *)rxvt_malloc (ncol);
		406
		407	for (int col = ncol; col--; )
		408	tabs [col] = col % TABSIZE == 0;
404		409
405	CLEAR_ALL_SELECTION ();	410	CLEAR_ALL_SELECTION ();
406		411
407	prev_nrow = nrow;	412	prev_nrow = nrow;
408	prev_ncol = ncol;	413	prev_ncol = ncol;
409
410	tabs = (char *)rxvt_malloc (ncol);
411
412	for (int col = ncol; --col; )
413	tabs [col] = col % TABSIZE == 0;
414
415	if (current_screen != PRIMARY)
416	scr_swap_screen ();
417		414
418	tt_winch ();	415	tt_winch ();
419		416
420	HOOK_INVOKE ((this, HOOK_RESET, DT_END));	417	HOOK_INVOKE ((this, HOOK_RESET, DT_END));
421	}	418	}
…		…
433	delete ralloc; ralloc = 0;	430	delete ralloc; ralloc = 0;
434		431
435	free (row_buf);	432	free (row_buf);
436	free (swap_buf);	433	free (swap_buf);
437	free (drawn_buf);	434	free (drawn_buf);
		435	row_buf = 0; // signal that we freed all the arrays above
		436
438	free (tabs);	437	free (tabs);
439		438	tabs = 0;
440	row_buf = 0; // signal that we freed all the arrays
441	}	439	}
442	}	440	}
443		441
444	/* ------------------------------------------------------------------------- */	442	/* ------------------------------------------------------------------------- */
445	/*	443	/*
446	* Hard reset	444	* Hard/Soft reset
447	*/	445	*/
448	void	446	void
449	rxvt_term::scr_poweron ()	447	rxvt_term::scr_poweron ()
450	{	448	{
451	scr_release ();	449	scr_release ();
452	prev_nrow = prev_ncol = 0;	450	prev_nrow = prev_ncol = 0;
		451	rvideo_mode = false;
		452	scr_soft_reset ();
453	scr_reset ();	453	scr_reset ();
454		454
455	scr_clear (true);	455	scr_clear (true);
456	scr_refresh ();	456	scr_refresh ();
		457	}
		458
		459	void
		460	rxvt_term::scr_soft_reset ()
		461	{
		462	/* only affects modes, nothing drastic such as clearing the screen */
		463	#if ENABLE_OVERLAY
		464	scr_overlay_off ();
		465	#endif
		466
		467	if (current_screen != PRIMARY)
		468	scr_swap_screen ();
		469
		470	scr_scroll_region (0, MAX_ROWS - 1);
		471	scr_rendition (0, ~RS_None);
		472	scr_insert_mode (0);
457	}	473	}
458		474
459	/* ------------------------------------------------------------------------- *	475	/* ------------------------------------------------------------------------- *
460	* PROCESS SCREEN COMMANDS *	476	* PROCESS SCREEN COMMANDS *
461	* ------------------------------------------------------------------------- */	477	* ------------------------------------------------------------------------- */
…		…
499	}	515	}
500		516
501	/* boundary check in case screen size changed between SAVE and RESTORE */	517	/* boundary check in case screen size changed between SAVE and RESTORE */
502	min_it (s->cur.row, nrow - 1);	518	min_it (s->cur.row, nrow - 1);
503	min_it (s->cur.col, ncol - 1);	519	min_it (s->cur.col, ncol - 1);
504	#ifdef DEBUG_STRICT
505	assert (s->cur.row >= 0);	520	assert (s->cur.row >= 0);
506	assert (s->cur.col >= 0);	521	assert (s->cur.col >= 0);
507	#endif
508	}	522	}
509		523
510	void	524	void
511	rxvt_term::scr_swap_screen ()	525	rxvt_term::scr_swap_screen ()
512	{	526	{
…		…
537	want_refresh = 1;	551	want_refresh = 1;
538	view_start = 0;	552	view_start = 0;
539		553
540	selection_check (2); /* check for boundary cross */	554	selection_check (2); /* check for boundary cross */
541		555
542	int i = current_screen; current_screen = scrn; scrn = i;	556	current_screen = scrn;
543		557
544	#if NSCREENS	558	#if NSCREENS
545	if (option (Opt_secondaryScreen))	559	if (option (Opt_secondaryScreen))
546	{	560	{
547	num_scr = 0;	561	num_scr = 0;
…		…
624		638
625	if (count > 0	639	if (count > 0
626	&& row1 == 0	640	&& row1 == 0
627	&& (current_screen == PRIMARY || option (Opt_secondaryScroll)))	641	&& (current_screen == PRIMARY || option (Opt_secondaryScroll)))
628	{	642	{
		643	min_it (count, total_rows - (nrow - (row2 + 1)));
		644
629	top_row = max (top_row - count, -saveLines);	645	top_row = max (top_row - count, -saveLines);
630
631	// scroll everything up 'count' lines
632	term_start = (term_start + count) % total_rows;
633		646
634	// sever bottommost line	647	// sever bottommost line
635	{	648	{
636	line_t &l = ROW(row2 - count);	649	line_t &l = ROW(row2);
637	l.is_longer (0);	650	l.is_longer (0);
638	l.touch ();	651	l.touch ();
639	}	652	}
640		653
		654	// scroll everything up 'count' lines
		655	term_start = (term_start + count) % total_rows;
		656
		657	// now copy lines below the scroll region bottom to the
		658	// bottom of the screen again, so they look as if they
		659	// hadn't moved.
		660	for (int i = nrow; --i > row2; )
		661	{
		662	line_t &l1 = ROW(i - count);
		663	line_t &l2 = ROW(i);
		664
		665	::swap (l1, l2);
		666	l2.touch ();
		667	}
		668
641	// erase newly scrolled-in lines	669	// erase newly scrolled-in lines
642	for (int i = count; i--; )	670	for (int i = count; i--; )
643	{	671	{
644	line_t &l = ROW(nrow - 1 - i);	672	line_t &l = ROW(row2 - i);
645		673
646	// optimize if already cleared, can be significant on slow machines	674	// optimise if already cleared, can be significant on slow machines
647	// could be rolled into scr_blank_screen_mem	675	// could be rolled into scr_blank_screen_mem
648	if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))	676	if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
649	{	677	{
650	scr_blank_line (l, 0, l.l, rstyle);	678	scr_blank_line (l, 0, l.l, rstyle);
651	l.l = 0;	679	l.l = 0;
652	l.f = 0;	680	l.f = 0;
653	}	681	}
654	else	682	else
655	scr_blank_screen_mem (l, rstyle);	683	scr_blank_screen_mem (l, rstyle);
656	}
657
658	// now copy lines below the scroll region bottom to the
659	// bottom of the screen again, so they look as if they
660	// hadn't moved.
661	for (int i = nrow; --i > row2; )
662	{
663	line_t &l1 = ROW(i - count);
664	line_t &l2 = ROW(i);
665
666	::swap (l1, l2);
667	l2.touch ();
668	}	684	}
669		685
670	// move and/or clear selection, if any	686	// move and/or clear selection, if any
671	if (selection.op && current_screen == selection.screen)	687	if (selection.op && current_screen == selection.screen)
672	{	688	{
…		…
718	}	734	}
719		735
720	// use a simple and robust scrolling algorithm, this	736	// use a simple and robust scrolling algorithm, this
721	// part of scr_scroll_text is not time-critical.	737	// part of scr_scroll_text is not time-critical.
722		738
		739	// sever line above scroll region
		740	if (row1)
		741	{
		742	line_t &l = ROW(row1 - 1);
		743	l.is_longer (0);
		744	l.touch ();
		745	}
		746
723	int rows = row2 - row1 + 1;	747	int rows = row2 - row1 + 1;
724		748
725	min_it (count, rows);	749	min_it (count, rows);
726		750
727	line_t *temp_buf = row_buf + total_rows;	751	line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
728		752
729	for (int row = 0; row < rows; row++)	753	for (int row = 0; row < rows; row++)
730	{	754	{
731	temp_buf [row] = ROW(row1 + (row + count + rows) % rows);	755	temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
732		756
…		…
734	scr_blank_screen_mem (temp_buf [row], rstyle);	758	scr_blank_screen_mem (temp_buf [row], rstyle);
735	}	759	}
736		760
737	for (int row = 0; row < rows; row++)	761	for (int row = 0; row < rows; row++)
738	ROW(row1 + row) = temp_buf [row];	762	ROW(row1 + row) = temp_buf [row];
		763
		764	// sever bottommost line
		765	{
		766	line_t &l = ROW(row2);
		767	l.is_longer (0);
		768	l.touch ();
		769	}
739	}	770	}
740		771
741	return count;	772	return count;
742	}	773	}
743		774
…		…
772	scr_scroll_text (screen.tscroll, screen.bscroll, minlines);	803	scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
773	screen.cur.row -= minlines;	804	screen.cur.row -= minlines;
774	}	805	}
775	}	806	}
776		807
777	#ifdef DEBUG_STRICT
778	assert (screen.cur.col < ncol);	808	assert (screen.cur.col < ncol);
779	assert (screen.cur.row < nrow	809	assert (screen.cur.row < nrow
780	&& screen.cur.row >= top_row);	810	&& screen.cur.row >= top_row);
781	#endif
782	int row = screen.cur.row;	811	int row = screen.cur.row;
783		812
784	checksel = selection.op && current_screen == selection.screen ? 1 : 0;	813	checksel = selection.op && current_screen == selection.screen ? 1 : 0;
785		814
786	line_t *line = &ROW(row);	815	line_t *line = &ROW(row);
787		816
788	while (str < strend)	817	while (str < strend)
789	{	818	{
790	c = (unicode_t)*str++; // convert to rxvt-unicodes representation	819	c = (unicode_t)*str++; // convert to rxvt-unicodes representation
791		820
792	if (c < 0x20)	821	if (ecb_unlikely (c < 0x20))
793	if (c == C0_LF)	822	if (c == C0_LF)
794	{	823	{
795	max_it (line->l, screen.cur.col);	824	max_it (line->l, screen.cur.col);
796		825
797	screen.flags &= ~Screen_WrapNext;	826	screen.flags &= ~Screen_WrapNext;
…		…
816	{	845	{
817	scr_tab (1, true);	846	scr_tab (1, true);
818	continue;	847	continue;
819	}	848	}
820		849
		850	if (ecb_unlikely (
821	if (checksel /* see if we're writing within selection */	851	checksel /* see if we're writing within selection */
822	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)	852	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
823	&& ROWCOL_IS_BEFORE (screen.cur, selection.end))	853	&& ROWCOL_IS_BEFORE (screen.cur, selection.end)
		854	))
824	{	855	{
825	checksel = 0;	856	checksel = 0;
826	/*	857	/*
827	* If we wrote anywhere in the selected area, kill the selection	858	* If we wrote anywhere in the selected area, kill the selection
828	* XXX: should we kill the mark too? Possibly, but maybe that	859	* XXX: should we kill the mark too? Possibly, but maybe that
829	* should be a similar check.	860	* should be a similar check.
830	*/	861	*/
831	CLEAR_SELECTION ();	862	CLEAR_SELECTION ();
832	}	863	}
833		864
834	if (screen.flags & Screen_WrapNext)	865	if (ecb_unlikely (screen.flags & Screen_WrapNext))
835	{	866	{
836	scr_do_wrap ();	867	scr_do_wrap ();
837		868
838	line->l = ncol;	869	line->l = ncol;
839	line->is_longer (1);	870	line->is_longer (1);
…		…
841	row = screen.cur.row;	872	row = screen.cur.row;
842	line = &ROW(row); /* _must_ refresh */	873	line = &ROW(row); /* _must_ refresh */
843	}	874	}
844		875
845	// some utf-8 decoders "decode" surrogate characters: let's fix this.	876	// some utf-8 decoders "decode" surrogate characters: let's fix this.
846	if (IN_RANGE_INC (c, 0xd800, 0xdfff))	877	if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
847	c = 0xfffd;	878	c = 0xfffd;
848		879
849	// rely on wcwidth to tell us the character width, do wcwidth before	880	// rely on wcwidth to tell us the character width, do wcwidth before
850	// further replacements, as wcwidth might return -1 for the line	881	// further replacements, as wcwidth might return -1 for the line
851	// drawing characters below as they might be invalid in the current	882	// drawing characters below as they might be invalid in the current
852	// locale.	883	// locale.
853	int width = WCWIDTH (c);	884	int width = WCWIDTH (c);
854		885
855	if (charsets [screen.charset] == '0') // DEC SPECIAL	886	if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
856	{	887	{
857	// vt100 special graphics and line drawing	888	// vt100 special graphics and line drawing
858	// 5f-7e standard vt100	889	// 5f-7e standard vt100
859	// 40-5e rxvt extension for extra curses acs chars	890	// 40-5e rxvt extension for extra curses acs chars
860	static uint16_t vt100_0[62] = { // 41 .. 7e	891	static uint16_t vt100_0[62] = { // 41 .. 7e
…		…
873	c = vt100_0[c - 0x41];	904	c = vt100_0[c - 0x41];
874	width = 1; // vt100 line drawing characters are always single-width	905	width = 1; // vt100 line drawing characters are always single-width
875	}	906	}
876	}	907	}
877		908
878	if (screen.flags & Screen_Insert)	909	if (ecb_unlikely (screen.flags & Screen_Insert))
879	scr_insdel_chars (width, INSERT);	910	scr_insdel_chars (width, INSERT);
880		911
881	if (width != 0)	912	if (width != 0)
882	{	913	{
883	#if !UNICODE_3	914	#if !UNICODE_3
…		…
888	# else	919	# else
889	c = 0xfffd;	920	c = 0xfffd;
890	# endif	921	# endif
891	#endif	922	#endif
892		923
		924	rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
		925
		926	// if the character doesn't fit into the remaining columns...
		927	if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
		928	{
		929	if (screen.flags & Screen_Autowrap)
		930	{
		931	// ... artificially enlargen the previous one
		932	c = NOCHAR;
		933	// and try the same character next loop iteration
		934	--str;
		935	}
		936	else
		937	screen.cur.col = ncol - width;
		938	}
		939
893	// nuke the character at this position, if required	940	// nuke the character at this position, if required
		941	// due to wonderful coincidences everywhere else in this loop
		942	// we never have to check for overwriting a wide char itself,
		943	// only its tail.
894	if (line->t[screen.cur.col] == NOCHAR	944	if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
895	|| (screen.cur.col < ncol - 1	945	scr_kill_char (*line, screen.cur.col);
896	&& line->t[screen.cur.col + 1] == NOCHAR))
897	{
898	int col = screen.cur.col;
899
900	// find begin
901	while (col > 0 && line->t[col] == NOCHAR)
902	col--;
903
904	rend_t rend = SET_FONT (line->r[col], FONTSET (line->r[col])->find_font (' '));
905
906	// found begin, nuke
907	do {
908	line->t[col] = ' ';
909	line->r[col] = rend;
910	col++;
911	} while (col < ncol && line->t[col] == NOCHAR);
912	}
913
914	rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
915
916	// if the character doesn't fit into the remaining columns...
917	if (screen.cur.col > ncol - width && ncol >= width)
918	{
919	// ...output spaces
920	c = ' ';
921	// and try the same character next loop iteration
922	--str;
923	}
924		946
925	line->touch ();	947	line->touch ();
926		948
927	do	949	do
928	{	950	{
929	line->t[screen.cur.col] = c;	951	line->t[screen.cur.col] = c;
930	line->r[screen.cur.col] = rend;	952	line->r[screen.cur.col] = rend;
931		953
932	if (screen.cur.col < ncol - 1)	954	if (ecb_likely (screen.cur.col < ncol - 1))
933	screen.cur.col++;	955	screen.cur.col++;
934	else	956	else
935	{	957	{
936	line->l = ncol;	958	line->l = ncol;
937	if (screen.flags & Screen_Autowrap)	959	if (screen.flags & Screen_Autowrap)
938	screen.flags |= Screen_WrapNext;	960	screen.flags |= Screen_WrapNext;
939	break;	961
		962	goto end_of_line;
940	}	963	}
941		964
942	c = NOCHAR;	965	c = NOCHAR;
943	}	966	}
944	while (--width > 0);	967	while (ecb_unlikely (--width > 0));
945		968
946	// pad with spaces when overwriting wide character with smaller one	969	// pad with spaces when overwriting wide character with smaller one
947	if (!width)	970	for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
948	{	971	{
949	line->touch ();	972	line->t[c] = ' ';
		973	line->r[c] = rend;
		974	}
950		975
951	for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)	976	end_of_line:
		977	;
		978	}
		979	#if ENABLE_COMBINING
		980	else // width == 0
		981	{
		982	if (c != 0xfeff) // ignore BOM
		983	{
		984	// handle combining characters
		985	// we just tag the accent on the previous on-screen character.
		986	// this is arguably not correct, but also arguably not wrong.
		987	// we don't handle double-width characters nicely yet.
		988	line_t *linep;
		989	text_t *tp;
		990	rend_t *rp;
		991
		992	if (screen.cur.col > 0)
952	{	993	{
953	line->t[c] = ' ';
954	line->r[c] = rend;	994	linep = line;
		995	tp = line->t + screen.cur.col - 1;
		996	rp = line->r + screen.cur.col - 1;
955	}	997	}
		998	else if (screen.cur.row > 0
		999	&& ROW(screen.cur.row - 1).is_longer ())
		1000	{
		1001	linep = &ROW(screen.cur.row - 1);
		1002	tp = line->t + ncol - 1;
		1003	rp = line->r + ncol - 1;
		1004	}
		1005	else
		1006	continue;
		1007
		1008	linep->touch ();
		1009
		1010	while (*tp == NOCHAR && tp > linep->t)
		1011	tp--, rp--;
		1012
		1013	// first try to find a precomposed character
		1014	unicode_t n = rxvt_compose (*tp, c);
		1015	if (n == NOCHAR)
		1016	n = rxvt_composite.compose (*tp, c);
		1017
		1018	*tp = n;
		1019	*rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
956	}	1020	}
957	}	1021	}
958	else // width == 0
959	{
960	#if ENABLE_COMBINING
961	// handle combining characters
962	// we just tag the accent on the previous on-screen character.
963	// this is arguably not correct, but also arguably not wrong.
964	// we don't handle double-width characters nicely yet.
965	line_t *linep;
966	text_t *tp;
967	rend_t *rp;
968
969	if (screen.cur.col > 0)
970	{
971	linep = line;
972	tp = line->t + screen.cur.col - 1;
973	rp = line->r + screen.cur.col - 1;
974	}
975	else if (screen.cur.row > 0
976	&& ROW(screen.cur.row - 1).is_longer ())
977	{
978	linep = &ROW(screen.cur.row - 1);
979	tp = line->t + ncol - 1;
980	rp = line->r + ncol - 1;
981	}
982	else
983	continue;
984
985	linep->touch ();
986
987	while (*tp == NOCHAR && tp > linep->t)
988	tp--, rp--;
989
990	// first try to find a precomposed character
991	unicode_t n = rxvt_compose (*tp, c);
992	if (n == NOCHAR)
993	n = rxvt_composite.compose (*tp, c);
994
995	*tp = n;
996	*rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
997	#endif	1022	#endif
998	}
999	}	1023	}
1000		1024
1001	max_it (line->l, screen.cur.col);	1025	max_it (line->l, screen.cur.col);
1002		1026
1003	#ifdef DEBUG_STRICT
1004	assert (screen.cur.row >= 0);	1027	assert (screen.cur.row >= 0);
1005	#endif
1006	}	1028	}
1007		1029
1008	/* ------------------------------------------------------------------------- */	1030	/* ------------------------------------------------------------------------- */
1009	/*	1031	/*
1010	* Process Backspace. Move back the cursor back a position, wrap if have to	1032	* Process Backspace. Move back the cursor back a position, wrap if have to
1011	* XTERM_SEQ: CTRL-H	1033	* XTERM_SEQ: CTRL-H
1012	*/	1034	*/
1013	void	1035	void
1014	rxvt_term::scr_backspace () NOTHROW	1036	rxvt_term::scr_backspace () NOTHROW
1015	{	1037	{
1016	want_refresh = 1;
1017
1018	if (screen.cur.col == 0)	1038	if (screen.cur.col == 0)
1019	{	1039	{
1020	screen.flags &= ~Screen_WrapNext;
1021
1022	if (screen.cur.row > 0)	1040	if (screen.cur.row > 0)
1023	{	1041	{
1024	#ifdef TERMCAP_HAS_BW	1042	#ifdef TERMCAP_HAS_BW
1025	screen.cur.col = ncol - 1;	1043	screen.cur.col = ncol - 1;
1026	screen.cur.row--;	1044	--screen.cur.row;
1027	return;	1045
		1046	want_refresh = 1;
1028	#endif	1047	#endif
1029	}	1048	}
1030	}	1049	}
		1050	else if (screen.flags & Screen_WrapNext)
		1051	screen.flags &= ~Screen_WrapNext;
1031	else	1052	else
1032	scr_gotorc (0, -1, RELATIVE);	1053	scr_gotorc (0, -1, RELATIVE);
1033	}	1054	}
1034		1055
1035	/* ------------------------------------------------------------------------- */	1056	/* ------------------------------------------------------------------------- */
…		…
1230	/*	1251	/*
1231	* Erase part or whole of a line	1252	* Erase part or whole of a line
1232	* XTERM_SEQ: Clear line to right: ESC [ 0 K	1253	* XTERM_SEQ: Clear line to right: ESC [ 0 K
1233	* XTERM_SEQ: Clear line to left : ESC [ 1 K	1254	* XTERM_SEQ: Clear line to left : ESC [ 1 K
1234	* XTERM_SEQ: Clear whole line : ESC [ 2 K	1255	* XTERM_SEQ: Clear whole line : ESC [ 2 K
		1256	* extension: clear to right unless wrapped: ESC [ 3 K
1235	*/	1257	*/
1236	void	1258	void
1237	rxvt_term::scr_erase_line (int mode) NOTHROW	1259	rxvt_term::scr_erase_line (int mode) NOTHROW
1238	{	1260	{
1239	unsigned int col, num;	1261	unsigned int col, num;
…		…
1248	line.touch ();	1270	line.touch ();
1249	line.is_longer (0);	1271	line.is_longer (0);
1250		1272
1251	switch (mode)	1273	switch (mode)
1252	{	1274	{
		1275	case 3:
		1276	if (screen.flags & Screen_WrapNext)
		1277	return;
		1278
		1279	/* fall through */
		1280
1253	case 0: /* erase to end of line */	1281	case 0: /* erase to end of line */
1254	col = screen.cur.col;	1282	col = screen.cur.col;
1255	num = ncol - col;	1283	num = ncol - col;
1256	min_it (line.l, col);	1284	min_it (line.l, col);
		1285
1257	if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)	1286	if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1258	|| ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))	1287	|| ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1259	CLEAR_SELECTION ();	1288	CLEAR_SELECTION ();
1260	break;	1289	break;
		1290
1261	case 1: /* erase to beginning of line */	1291	case 1: /* erase to beginning of line */
1262	col = 0;	1292	col = 0;
1263	num = screen.cur.col + 1;	1293	num = screen.cur.col + 1;
		1294
1264	if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)	1295	if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1265	|| ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))	1296	|| ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1266	CLEAR_SELECTION ();	1297	CLEAR_SELECTION ();
1267	break;	1298	break;
		1299
1268	case 2: /* erase whole line */	1300	case 2: /* erase whole line */
1269	col = 0;	1301	col = 0;
1270	num = ncol;	1302	num = ncol;
1271	line.l = 0;	1303	line.l = 0;
1272	if (selection.beg.row <= screen.cur.row	1304	if (selection.beg.row <= screen.cur.row
…		…
1330	if (row >= nrow) /* Out Of Bounds */	1362	if (row >= nrow) /* Out Of Bounds */
1331	return;	1363	return;
1332		1364
1333	min_it (num, nrow - row);	1365	min_it (num, nrow - row);
1334		1366
1335	if (rstyle & (RS_RVid | RS_Uline))	1367	if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1336	ren = (rend_t) ~RS_None;	1368	ren = (rend_t) ~RS_None;
1337	else if (GET_BASEBG (rstyle) == Color_bg)	1369	else if (GET_BASEBG (rstyle) == Color_bg)
1338	{	1370	{
1339	ren = DEFAULT_RSTYLE;	1371	ren = DEFAULT_RSTYLE;
1340	CLEAR_ROWS (row, num);	1372
		1373	if (mapped)
		1374	XClearArea (dpy, vt, 0,
		1375	Row2Pixel (row - view_start), (unsigned int)width,
		1376	(unsigned int)Height2Pixel (num), False);
1341	}	1377	}
1342	else	1378	else
1343	{	1379	{
1344	ren = rstyle & (RS_fgMask | RS_bgMask);	1380	ren = rstyle & (RS_fgMask | RS_bgMask);
		1381
		1382	if (mapped)
		1383	{
1345	gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];	1384	gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1346	XChangeGC (dpy, gc, GCForeground, &gcvalue);	1385	XChangeGC (dpy, gc, GCForeground, &gcvalue);
1347	ERASE_ROWS (row, num);	1386	XFillRectangle (dpy, vt, gc,
		1387	0, Row2Pixel (row - view_start),
		1388	(unsigned int)width,
		1389	(unsigned int)Height2Pixel (num));
1348	gcvalue.foreground = pix_colors[Color_fg];	1390	gcvalue.foreground = pix_colors[Color_fg];
1349	XChangeGC (dpy, gc, GCForeground, &gcvalue);	1391	XChangeGC (dpy, gc, GCForeground, &gcvalue);
		1392	}
1350	}	1393	}
1351		1394
1352	for (; num--; row++)	1395	for (; num--; row++)
1353	{	1396	{
1354	scr_blank_screen_mem (ROW(row), rstyle);	1397	scr_blank_screen_mem (ROW(row), rstyle);
		1398
		1399	if (row - view_start < nrow)
1355	scr_blank_line (drawn_buf [row], 0, ncol, ren);	1400	scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1356	}	1401	}
1357	}	1402	}
1358		1403
1359	#if !ENABLE_MINIMAL	1404	#if !ENABLE_MINIMAL
1360	void	1405	void
…		…
1434	* Insert/Delete <count> characters from the current position	1479	* Insert/Delete <count> characters from the current position
1435	*/	1480	*/
1436	void	1481	void
1437	rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW	1482	rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1438	{	1483	{
1439	int col, row;
1440	rend_t tr;
1441
1442	want_refresh = 1;	1484	want_refresh = 1;
1443	ZERO_SCROLLBACK ();	1485	ZERO_SCROLLBACK ();
1444		1486
1445	if (count <= 0)	1487	if (count <= 0)
1446	return;	1488	return;
…		…
1448	scr_do_wrap ();	1490	scr_do_wrap ();
1449		1491
1450	selection_check (1);	1492	selection_check (1);
1451	min_it (count, ncol - screen.cur.col);	1493	min_it (count, ncol - screen.cur.col);
1452		1494
1453	row = screen.cur.row;	1495	int row = screen.cur.row;
1454		1496
1455	line_t *line = &ROW(row);	1497	line_t *line = &ROW(row);
1456		1498
1457	line->touch ();	1499	line->touch ();
1458	line->is_longer (0);	1500	line->is_longer (0);
1459		1501
		1502	// nuke wide spanning the start
		1503	if (line->t[screen.cur.col] == NOCHAR)
		1504	scr_kill_char (*line, screen.cur.col);
		1505
1460	switch (insdel)	1506	switch (insdel)
1461	{	1507	{
1462	case INSERT:	1508	case INSERT:
1463	for (col = ncol - 1; (col - count) >= screen.cur.col; col--)	1509	line->l = min (line->l + count, ncol);
		1510
		1511	if (line->t[screen.cur.col] == NOCHAR)
		1512	scr_kill_char (*line, screen.cur.col);
		1513
		1514	for (int col = ncol - 1; (col - count) >= screen.cur.col; col--)
1464	{	1515	{
1465	line->t[col] = line->t[col - count];	1516	line->t[col] = line->t[col - count];
1466	line->r[col] = line->r[col - count];	1517	line->r[col] = line->r[col - count];
1467	}	1518	}
1468
1469	line->l = min (line->l + count, ncol);
1470		1519
1471	if (selection.op && current_screen == selection.screen	1520	if (selection.op && current_screen == selection.screen
1472	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))	1521	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1473	{	1522	{
1474	if (selection.end.row != screen.cur.row	1523	if (selection.end.row != screen.cur.row
…		…
1489	case ERASE:	1538	case ERASE:
1490	screen.cur.col += count; /* don't worry if > ncol */	1539	screen.cur.col += count; /* don't worry if > ncol */
1491	selection_check (1);	1540	selection_check (1);
1492	screen.cur.col -= count;	1541	screen.cur.col -= count;
1493		1542
1494	line->l = max (line->l - count, 0);	1543	// nuke wide char after the end
		1544	if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
		1545	scr_kill_char (*line, screen.cur.col + count);
		1546
1495	scr_blank_line (*line, screen.cur.col, count, rstyle);	1547	scr_blank_line (*line, screen.cur.col, count, rstyle);
1496	break;	1548	break;
1497		1549
1498	case DELETE:	1550	case DELETE:
1499	tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask);	1551	line->l = max (line->l - count, 0);
1500		1552
		1553	// nuke wide char spanning the end
		1554	if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
		1555	scr_kill_char (*line, screen.cur.col + count);
		1556
1501	for (col = screen.cur.col; (col + count) < ncol; col++)	1557	for (int col = screen.cur.col; (col + count) < ncol; col++)
1502	{	1558	{
1503	line->t[col] = line->t[col + count];	1559	line->t[col] = line->t[col + count];
1504	line->r[col] = line->r[col + count];	1560	line->r[col] = line->r[col + count];
1505	}	1561	}
1506		1562
1507	line->l = max (line->l - count, 0);
1508	scr_blank_line (*line, ncol - count, count, tr);	1563	scr_blank_line (*line, ncol - count, count, rstyle);
1509		1564
1510	if (selection.op && current_screen == selection.screen	1565	if (selection.op && current_screen == selection.screen
1511	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))	1566	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1512	{	1567	{
1513	if (selection.end.row != screen.cur.row	1568	if (selection.end.row != screen.cur.row
…		…
1649	{	1704	{
1650	rvideo_state = on;	1705	rvideo_state = on;
1651		1706
1652	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);	1707	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1653	#ifdef HAVE_BG_PIXMAP	1708	#ifdef HAVE_BG_PIXMAP
1654	if (bgPixmap.pixmap == None)	1709	if (bg_pixmap == None)
1655	#endif	1710	#endif
1656	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);	1711	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1657		1712
1658	XGCValues gcvalue;	1713	XGCValues gcvalue;
1659	gcvalue.foreground = pix_colors[Color_fg];	1714	gcvalue.foreground = pix_colors[Color_fg];
…		…
1803	for (i = PART_BEG; i < RC_COUNT; i++)	1858	for (i = PART_BEG; i < RC_COUNT; i++)
1804	{	1859	{
1805	min_it (rc[i].col, ncol - 1);	1860	min_it (rc[i].col, ncol - 1);
1806	min_it (rc[i].row, nrow - 1);	1861	min_it (rc[i].row, nrow - 1);
1807	}	1862	}
1808	// TODO: this line somehow causes segfault if scr_expose() is called just after resize	1863
1809	for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)	1864	for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1810	fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);	1865	fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1811		1866
1812	num_scr_allow = 0;	1867	num_scr_allow = 0;
1813		1868
…		…
1886		1941
1887	# ifndef NO_MAPALERT	1942	# ifndef NO_MAPALERT
1888	# ifdef MAPALERT_OPTION	1943	# ifdef MAPALERT_OPTION
1889	if (option (Opt_mapAlert))	1944	if (option (Opt_mapAlert))
1890	# endif	1945	# endif
1891	XMapWindow (dpy, parent[0]);	1946	XMapWindow (dpy, parent);
1892	# endif	1947	# endif
1893		1948
1894	# if ENABLE_FRILLS	1949	# if ENABLE_FRILLS
1895	if (option (Opt_urgentOnBell))	1950	if (option (Opt_urgentOnBell))
1896	{	1951	set_urgency (1);
1897	if (XWMHints *h = XGetWMHints(dpy, parent[0]))
1898	{
1899	h->flags |= XUrgencyHint;
1900	XSetWMHints (dpy, parent[0], h);
1901	}
1902	}
1903	# endif	1952	# endif
1904		1953
1905	if (option (Opt_visualBell))	1954	if (option (Opt_visualBell))
1906	{	1955	{
1907	rvideo_bell = true;	1956	rvideo_bell = true;
…		…
1910		1959
1911	bell_ev.start (VISUAL_BELL_DURATION);	1960	bell_ev.start (VISUAL_BELL_DURATION);
1912	}	1961	}
1913	else	1962	else
1914	XBell (dpy, 0);	1963	XBell (dpy, 0);
		1964	HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1915	#endif	1965	#endif
1916	}	1966	}
1917		1967
1918	/* ------------------------------------------------------------------------- */	1968	/* ------------------------------------------------------------------------- */
1919	/* ARGSUSED */
1920	void	1969	void
1921	rxvt_term::scr_printscreen (int fullhist) NOTHROW	1970	rxvt_term::scr_printscreen (int fullhist) NOTHROW
1922	{	1971	{
1923	#ifdef PRINTPIPE	1972	#ifdef PRINTPIPE
1924	int nrows, row_start;	1973	int nrows, row_start;
1925	FILE *fd;	1974	FILE *fd = popen_printer ();
1926		1975
1927	if ((fd = popen_printer ()) == NULL)	1976	if (!fd)
1928	return;	1977	return;
1929		1978
1930	if (fullhist)	1979	if (fullhist)
1931	{	1980	{
1932	nrows = nrow - top_row;	1981	nrows = nrow - top_row;
…		…
1938	row_start = view_start;	1987	row_start = view_start;
1939	}	1988	}
1940		1989
1941	wctomb (0, 0);	1990	wctomb (0, 0);
1942		1991
1943	for (int r1 = 0; r1 < nrows; r1++)	1992	for (int r1 = row_start; r1 < row_start + nrows; r1++)
1944	{	1993	{
1945	text_t *tp = ROW(r1).t;	1994	text_t *tp = ROW(r1).t;
1946	int len = ROW(r1).l;	1995	int len = ROW(r1).l;
1947		1996
1948	for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN	1997	for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
…		…
1977	* screen.text/screen.rend contain what the screen will change to.	2026	* screen.text/screen.rend contain what the screen will change to.
1978	*/	2027	*/
1979	void	2028	void
1980	rxvt_term::scr_refresh () NOTHROW	2029	rxvt_term::scr_refresh () NOTHROW
1981	{	2030	{
1982	unsigned char have_bg,
1983	showcursor; /* show the cursor */
1984	int16_t col, row, /* column/row we're processing */	2031	int16_t col, row, /* column/row we're processing */
1985	ocrow; /* old cursor row */	2032	ocrow; /* old cursor row */
1986	int i; /* tmp */	2033	int i; /* tmp */
1987	#ifndef NO_CURSORCOLOR	2034	#ifndef NO_CURSORCOLOR
1988	rend_t cc1; /* store colours at cursor position (s) */	2035	rend_t cc1; /* store colours at cursor position (s) */
…		…
1997	return;	2044	return;
1998		2045
1999	/*	2046	/*
2000	* A: set up vars	2047	* A: set up vars
2001	*/	2048	*/
2002	have_bg = 0;
2003	refresh_count = 0;	2049	refresh_count = 0;
2004		2050
		2051	unsigned int old_screen_flags = screen.flags;
		2052	char have_bg = 0;
2005	#ifdef HAVE_BG_PIXMAP	2053	#ifdef HAVE_BG_PIXMAP
2006	have_bg |= bgPixmap.pixmap != None;	2054	have_bg = bg_pixmap != None;
2007	#endif	2055	#endif
2008	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */	2056	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2009		2057
2010	/*	2058	/*
2011	* B: reverse any characters which are selected	2059	* B: reverse any characters which are selected
2012	*/	2060	*/
2013	scr_reverse_selection ();	2061	scr_reverse_selection ();
		2062
		2063	HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
		2064	#if ENABLE_OVERLAY
		2065	scr_swap_overlay ();
		2066	#endif
		2067
		2068	char showcursor = screen.flags & Screen_VisibleCursor;
2014		2069
2015	/*	2070	/*
2016	* C: set the cursor character (s)	2071	* C: set the cursor character (s)
2017	*/	2072	*/
2018	{	2073	{
2019	unsigned char setoldcursor;	2074	unsigned char setoldcursor;
2020		2075
2021	showcursor = (screen.flags & Screen_VisibleCursor);
2022	#ifdef CURSOR_BLINK	2076	#ifdef CURSOR_BLINK
2023	if (hidden_cursor)	2077	if (hidden_cursor)
2024	showcursor = 0;	2078	showcursor = 0;
2025	#endif	2079	#endif
2026		2080
…		…
2054	ccol2 = bgcolor_of (rstyle);	2108	ccol2 = bgcolor_of (rstyle);
2055	#else	2109	#else
2056	ccol2 = Color_bg;	2110	ccol2 = Color_bg;
2057	#endif	2111	#endif
2058		2112
2059	if (showcursor && focus)	2113	if (focus)
2060	{	2114	{
2061	if (option (Opt_cursorUnderline))	2115	if (option (Opt_cursorUnderline))
2062	*crp ^= RS_Uline;	2116	*crp ^= RS_Uline;
2063	else	2117	else
2064	{	2118	{
…		…
2099	oldcursor.col = screen.cur.col;	2153	oldcursor.col = screen.cur.col;
2100	}	2154	}
2101	}	2155	}
2102	}	2156	}
2103		2157
2104	HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2105	#if ENABLE_OVERLAY
2106	scr_swap_overlay ();
2107	#endif
2108
2109	#ifndef NO_SLOW_LINK_SUPPORT	2158	#ifndef NO_SLOW_LINK_SUPPORT
2110	/*	2159	/*
2111	* D: CopyArea pass - very useful for slower links	2160	* D: CopyArea pass - very useful for slower links
2112	* This has been deliberately kept simple.	2161	* This has been deliberately kept simple.
2113	*/	2162	*/
…		…
2202	continue;	2251	continue;
2203		2252
2204	// redraw one or more characters	2253	// redraw one or more characters
2205		2254
2206	// seek to the beginning of wide characters	2255	// seek to the beginning of wide characters
2207	while (stp[col] == NOCHAR && col > 0)	2256	while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2208	--col;	2257	--col;
2209		2258
2210	rend_t rend = srp[col]; /* screen rendition (target rendtion) */	2259	rend_t rend = srp[col]; /* screen rendition (target rendition) */
2211	text_t *text = stp + col;	2260	text_t *text = stp + col;
2212	int count = 1;	2261	int count = 1;
2213		2262
2214	dtp[col] = stp[col];	2263	dtp[col] = stp[col];
2215	drp[col] = rend;	2264	drp[col] = rend;
…		…
2219	for (i = 0; ++col < ncol; )	2268	for (i = 0; ++col < ncol; )
2220	{	2269	{
2221	if (stp[col] == NOCHAR)	2270	if (stp[col] == NOCHAR)
2222	{	2271	{
2223	dtp[col] = stp[col];	2272	dtp[col] = stp[col];
2224	drp[col] = rend;	2273	drp[col] = srp[col];
		2274
2225	count++;	2275	count++;
2226	i++;	2276	i++;
2227		2277
2228	continue;	2278	continue;
2229	}	2279	}
…		…
2249		2299
2250	col--; /* went one too far. move back */	2300	col--; /* went one too far. move back */
2251	count -= i; /* dump any matching trailing chars */	2301	count -= i; /* dump any matching trailing chars */
2252		2302
2253	// sometimes we optimize away the trailing NOCHAR's, add them back	2303	// sometimes we optimize away the trailing NOCHAR's, add them back
2254	while (i && text[count] == NOCHAR)	2304	while (ecb_unlikely (i && text[count] == NOCHAR))
2255	count++, i--;	2305	count++, i--;
2256		2306
2257	/*	2307	/*
2258	* Determine the attributes for the string	2308	* Determine the attributes for the string
2259	*/	2309	*/
2260	int fore = fgcolor_of (rend); // desired foreground	2310	int fore = fgcolor_of (rend); // desired foreground
2261	int back = bgcolor_of (rend); // desired background	2311	int back = bgcolor_of (rend); // desired background
2262		2312
2263	// only do special processing if any attributes are set, which is unlikely	2313	// only do special processing if any attributes are set, which is unlikely
2264	if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful))	2314	if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2265	{	2315	{
2266	bool invert = rend & RS_RVid;	2316	bool invert = rend & RS_RVid;
2267		2317
2268	#ifndef NO_BOLD_UNDERLINE_REVERSE	2318	#ifndef NO_BOLD_UNDERLINE_REVERSE
2269	if (rend & RS_Bold && fore == Color_fg)	2319	if (rend & RS_Bold && fore == Color_fg)
…		…
2288		2338
2289	if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))	2339	if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2290	fore = Color_UL;	2340	fore = Color_UL;
2291	#endif	2341	#endif
2292		2342
		2343	#ifdef OPTION_HC
		2344	if (rend & RS_Sel)
		2345	{
		2346	/* invert the column if no highlightColor is set or it is the
		2347	* current cursor column */
		2348	if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
		2349	&& ISSET_PIXCOLOR (Color_HC))
		2350	{
		2351	if (ISSET_PIXCOLOR (Color_HTC))
		2352	fore = Color_HTC;
		2353	// if invert is 0 reverse video is set so we use bg color as fg color
		2354	else if (!invert)
		2355	fore = back;
		2356
		2357	back = Color_HC;
		2358	invert = 0;
		2359	}
		2360	}
		2361	#endif
		2362
2293	if (invert)	2363	if (invert)
2294	{	2364	{
2295	#ifdef OPTION_HC
2296	if ((showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2297	|| !ISSET_PIXCOLOR (Color_HC))
2298	#endif
2299	/* invert the column if no highlightColor is set or it is the
2300	* current cursor column */
2301	::swap (fore, back);	2365	::swap (fore, back);
2302	#ifdef OPTION_HC
2303	else if (ISSET_PIXCOLOR (Color_HC))
2304	back = Color_HC;
2305	#endif
2306		2366
2307	#ifndef NO_BOLD_UNDERLINE_REVERSE	2367	#ifndef NO_BOLD_UNDERLINE_REVERSE
2308	# ifndef OPTION_HC
2309	if (ISSET_PIXCOLOR (Color_RV))
2310	back = Color_RV;
2311	# endif
2312	if (fore == back)	2368	if (fore == back)
2313	{	2369	{
2314	fore = Color_bg;	2370	fore = Color_bg;
2315	back = Color_fg;	2371	back = Color_fg;
2316	}	2372	}
…		…
2352	/*	2408	/*
2353	* Actually do the drawing of the string here	2409	* Actually do the drawing of the string here
2354	*/	2410	*/
2355	rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];	2411	rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2356		2412
2357	if (have_bg && back == Color_bg)	2413	if (ecb_likely (have_bg && back == Color_bg))
2358	{	2414	{
2359	// this is very ugly, maybe push it into ->draw?	2415	// this is very ugly, maybe push it into ->draw?
2360		2416
2361	for (i = 0; i < count; i++) /* don't draw empty strings */	2417	for (i = 0; i < count; i++) /* don't draw empty strings */
2362	if (text[i] != ' ')	2418	if (text[i] != ' ')
…		…
2369	did_clear: ;	2425	did_clear: ;
2370	}	2426	}
2371	else	2427	else
2372	font->draw (*drawable, xpixel, ypixel, text, count, fore, back);	2428	font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2373		2429
2374	if (rend & RS_Uline && font->descent > 1 && fore != back)	2430	if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2375	{	2431	{
2376	#if ENABLE_FRILLS	2432	#if ENABLE_FRILLS
2377	if (ISSET_PIXCOLOR (Color_underline))	2433	if (ISSET_PIXCOLOR (Color_underline))
2378	XSetForeground (dpy, gc, pix_colors[Color_underline]);	2434	XSetForeground (dpy, gc, pix_colors[Color_underline]);
2379	else	2435	else
2380	#endif	2436	#endif
2381	XSetForeground (dpy, gc, pix_colors[fore]);	2437	XSetForeground (dpy, gc, pix_colors[fore]);
2382		2438
2383	XDrawLine (dpy, drawBuffer, gc,	2439	XDrawLine (dpy, vt, gc,
2384	xpixel, ypixel + font->ascent + 1,	2440	xpixel, ypixel + font->ascent + 1,
2385	xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);	2441	xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2386	}	2442	}
2387	} /* for (col....) */	2443	} /* for (col....) */
2388	} /* for (row....) */	2444	} /* for (row....) */
2389
2390	#if ENABLE_OVERLAY
2391	scr_swap_overlay ();
2392	#endif
2393	HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2394		2445
2395	/*	2446	/*
2396	* G: cleanup cursor and display outline cursor if necessary	2447	* G: cleanup cursor and display outline cursor if necessary
2397	*/	2448	*/
2398	if (showcursor)	2449	if (showcursor)
…		…
2426	XSetForeground (dpy, gc, pix_colors[Color_cursor]);	2477	XSetForeground (dpy, gc, pix_colors[Color_cursor]);
2427	else	2478	else
2428	#endif	2479	#endif
2429	XSetForeground (dpy, gc, pix_colors[ccol1]);	2480	XSetForeground (dpy, gc, pix_colors[ccol1]);
2430		2481
2431	XDrawRectangle (dpy, drawBuffer, gc,	2482	XDrawRectangle (dpy, vt, gc,
2432	Col2Pixel (col),	2483	Col2Pixel (col),
2433	Row2Pixel (oldcursor.row),	2484	Row2Pixel (oldcursor.row),
2434	(unsigned int) (Width2Pixel (cursorwidth) - 1),	2485	(unsigned int) (Width2Pixel (cursorwidth) - 1),
2435	(unsigned int) (Height2Pixel (1) - lineSpace - 1));	2486	(unsigned int) (Height2Pixel (1) - lineSpace - 1));
2436	}	2487	}
2437	}	2488	}
2438		2489
2439	/*	2490	/*
2440	* H: cleanup selection	2491	* H: cleanup selection
2441	*/	2492	*/
		2493	#if ENABLE_OVERLAY
		2494	scr_swap_overlay ();
		2495	#endif
		2496	HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
		2497
2442	scr_reverse_selection ();	2498	scr_reverse_selection ();
2443		2499
		2500	screen.flags = old_screen_flags;
2444	num_scr = 0;	2501	num_scr = 0;
2445	num_scr_allow = 1;	2502	num_scr_allow = 1;
2446	}	2503	}
2447		2504
2448	void	2505	void
…		…
2469	scr_remap_chars (swap_buf [i]);	2526	scr_remap_chars (swap_buf [i]);
2470	}	2527	}
2471	}	2528	}
2472		2529
2473	void	2530	void
2474	rxvt_term::scr_recolour () NOTHROW	2531	rxvt_term::scr_recolour (bool refresh) NOTHROW
2475	{	2532	{
		2533	bool transparent = false;
		2534
2476	#ifdef HAVE_BG_PIXMAP	2535	#ifdef HAVE_BG_PIXMAP
2477	bgPixmap.apply ();	2536	if (bg_pixmap != None)
2478	#else	2537	{
		2538	# ifdef ENABLE_TRANSPARENCY
		2539	if (bg_flags & BG_IS_TRANSPARENT)
		2540	{
		2541	XSetWindowBackgroundPixmap (dpy, parent, bg_pixmap);
		2542	XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2479		2543
		2544	transparent = true;
		2545	}
		2546	else
		2547	# endif
		2548	{
		2549	XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
		2550	XSetWindowBackgroundPixmap (dpy, vt, bg_pixmap);
		2551	}
		2552	}
		2553	else
		2554	#endif
		2555	{
2480	XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]);	2556	XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2481	XClearWindow (dpy, parent[0]);
2482	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);	2557	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
		2558	}
2483		2559
2484	# if HAVE_SCROLLBARS	2560	XClearWindow (dpy, parent);
		2561
2485	if (scrollBar.win)	2562	if (scrollBar.win)
2486	{	2563	{
		2564	if (transparent)
		2565	XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
		2566	else
2487	XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);	2567	XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);
2488	scrollBar.setIdle ();	2568	scrollBar.state = STATE_IDLE;
2489	scrollbar_show (0);	2569	scrollBar.show (0);
2490	}	2570	}
2491	# endif
2492		2571
		2572	if (refresh)
		2573	{
2493	scr_clear ();	2574	scr_clear ();
2494	scr_touch (true);	2575	scr_touch (true);
		2576	}
2495	want_refresh = 1;	2577	want_refresh = 1;
2496
2497	#endif
2498	}	2578	}
2499		2579
2500	/* ------------------------------------------------------------------------- */	2580	/* ------------------------------------------------------------------------- */
2501	void	2581	void
2502	rxvt_term::scr_clear (bool really) NOTHROW	2582	rxvt_term::scr_clear (bool really) NOTHROW
…		…
2569	{	2649	{
2570	#if !ENABLE_MINIMAL	2650	#if !ENABLE_MINIMAL
2571	if (selection.rect)	2651	if (selection.rect)
2572	scr_xor_rect (selection.beg.row, selection.beg.col,	2652	scr_xor_rect (selection.beg.row, selection.beg.col,
2573	selection.end.row, selection.end.col,	2653	selection.end.row, selection.end.col,
2574	RS_RVid, RS_RVid | RS_Uline);	2654	RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2575	else	2655	else
2576	#endif	2656	#endif
2577	scr_xor_span (selection.beg.row, selection.beg.col,	2657	scr_xor_span (selection.beg.row, selection.beg.col,
2578	selection.end.row, selection.end.col,	2658	selection.end.row, selection.end.col,
2579	RS_RVid);	2659	RS_Sel | RS_RVid);
2580	}	2660	}
2581	}	2661	}
2582		2662
2583	/* ------------------------------------------------------------------------- */	2663	/* ------------------------------------------------------------------------- */
2584	/*	2664	/*
…		…
2589	void	2669	void
2590	rxvt_term::scr_dump (int fd) NOTHROW	2670	rxvt_term::scr_dump (int fd) NOTHROW
2591	{	2671	{
2592	int row, wrote;	2672	int row, wrote;
2593	unsigned int width, towrite;	2673	unsigned int width, towrite;
2594	char r1[] = "\n";	2674	const char r1[] = "\n";
2595		2675
2596	for (row = saveLines - nsaved;	2676	for (row = saveLines + top_row;
2597	row < saveLines + nrow - 1; row++)	2677	row < saveLines + nrow - 1; row++)
2598	{	2678	{
2599	width = row_buf[row].l >= 0 ? row_buf[row].l	2679	width = row_buf[row].l >= 0 ? row_buf[row].l
2600	: ncol;	2680	: ncol;
2601	for (towrite = width; towrite; towrite -= wrote)	2681	for (towrite = width; towrite; towrite -= wrote)
…		…
2645	/* ------------------------------------------------------------------------- */	2725	/* ------------------------------------------------------------------------- */
2646	/*	2726	/*
2647	* Paste a selection direct to the command fd	2727	* Paste a selection direct to the command fd
2648	*/	2728	*/
2649	void	2729	void
2650	rxvt_term::paste (char *data, unsigned int len) NOTHROW	2730	rxvt_term::tt_paste (char *data, unsigned int len) NOTHROW
2651	{	2731	{
2652	/* convert normal newline chars into common keyboard Return key sequence */	2732	/* convert normal newline chars into common keyboard Return key sequence */
2653	for (unsigned int i = 0; i < len; i++)	2733	for (unsigned int i = 0; i < len; i++)
2654	if (data[i] == C0_LF)	2734	if (data[i] == C0_LF)
2655	data[i] = C0_CR;	2735	data[i] = C0_CR;
2656		2736
		2737	if (priv_modes & PrivMode_BracketPaste)
		2738	tt_printf ("\e[200~");
		2739
2657	tt_write (data, len);	2740	tt_write (data, len);
2658	}
2659		2741
2660	/* ------------------------------------------------------------------------- */	2742	if (priv_modes & PrivMode_BracketPaste)
2661	/*	2743	tt_printf ("\e[201~");
2662	* Respond to a notification that a primary selection has been sent
2663	* EXT: SelectionNotify
2664	*/
2665	void
2666	rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW
2667	{
2668	if (prop == None) /* check for failed XConvertSelection */
2669	{
2670	if ((selection_type & Sel_CompoundText))
2671	{
2672	int selnum = selection_type & Sel_whereMask;
2673
2674	selection_type = 0;
2675	if (selnum != Sel_direct)
2676	selection_request_other (XA_STRING, selnum);
2677	}
2678
2679	if ((selection_type & Sel_UTF8String))
2680	{
2681	int selnum = selection_type & Sel_whereMask;
2682
2683	selection_type = Sel_CompoundText;
2684	if (selnum != Sel_direct)
2685	selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2686	else
2687	selection_type = 0;
2688	}
2689
2690	return;
2691	}
2692
2693	unsigned long bytes_after;
2694	XTextProperty ct;
2695
2696	if (XGetWindowProperty (dpy, win, prop,
2697	0, PROP_SIZE / 4,
2698	delete_prop, AnyPropertyType,
2699	&ct.encoding, &ct.format,
2700	&ct.nitems, &bytes_after,
2701	&ct.value) != Success)
2702	{
2703	ct.value = 0;
2704	goto bailout;
2705	}
2706
2707	if (ct.encoding == None)
2708	goto bailout;
2709
2710	if (bytes_after)
2711	{
2712	// fetch and append remaining data
2713	XTextProperty ct2;
2714
2715	if (XGetWindowProperty (dpy, win, prop,
2716	ct.nitems / 4, (bytes_after + 3) / 4,
2717	delete_prop, AnyPropertyType,
2718	&ct2.encoding, &ct2.format,
2719	&ct2.nitems, &bytes_after,
2720	&ct2.value) != Success)
2721	goto bailout;
2722
2723	// realloc should be compatible to XFree, here, and elsewhere, too
2724	ct.value = (unsigned char *)realloc (ct.value, ct.nitems + ct2.nitems + 1);
2725	memcpy (ct.value + ct.nitems, ct2.value, ct2.nitems + 1);
2726	ct.nitems += ct2.nitems;
2727
2728	XFree (ct2.value);
2729	}
2730
2731	if (ct.value == 0)
2732	goto bailout;
2733
2734	if (ct.encoding == xa[XA_INCR])
2735	{
2736	// INCR selection, start handshake
2737	if (!delete_prop)
2738	XDeleteProperty (dpy, win, prop);
2739
2740	selection_wait = Sel_incr;
2741	incr_buf_fill = 0;
2742	incr_ev.start (10);
2743
2744	goto bailout;
2745	}
2746
2747	if (ct.nitems == 0)
2748	{
2749	if (selection_wait == Sel_incr)
2750	{
2751	XFree (ct.value);
2752
2753	// finally complete, now paste the whole thing
2754	selection_wait = Sel_normal;
2755	ct.value = (unsigned char *)incr_buf;
2756	ct.nitems = incr_buf_fill;
2757	incr_buf = 0;
2758	incr_buf_size = 0;
2759	incr_ev.stop ();
2760	}
2761	else
2762	{
2763	if (selection_wait == Sel_normal
2764	&& (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2765	{
2766	/*
2767	* pass through again trying CUT_BUFFER0 if we've come from
2768	* XConvertSelection () but nothing was presented
2769	*/
2770	selection_paste (display->root, XA_CUT_BUFFER0, False);
2771	}
2772
2773	goto bailout;
2774	}
2775	}
2776	else if (selection_wait == Sel_incr)
2777	{
2778	incr_ev.start (10);
2779
2780	while (incr_buf_fill + ct.nitems > incr_buf_size)
2781	{
2782	incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
2783	incr_buf = (char *)realloc (incr_buf, incr_buf_size);
2784	}
2785
2786	memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
2787	incr_buf_fill += ct.nitems;
2788
2789	goto bailout;
2790	}
2791
2792	char **cl;
2793	int cr;
2794
2795	#if !ENABLE_MINIMAL
2796	// xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
2797	// so recode it manually
2798	if (ct.encoding == xa[XA_UTF8_STRING])
2799	{
2800	wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2801	char *s = rxvt_wcstombs (w);
2802	free (w);
2803	// TODO: strlen == only the first element will be converted. well...
2804	paste (s, strlen (s));
2805	free (s);
2806	}
2807	else
2808	#endif
2809	if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
2810	&& cl)
2811	{
2812	for (int i = 0; i < cr; i++)
2813	paste (cl[i], strlen (cl[i]));
2814
2815	XFreeStringList (cl);
2816	}
2817	else
2818	paste ((char *)ct.value, ct.nitems); // paste raw
2819
2820	bailout:
2821	XFree (ct.value);
2822
2823	if (selection_wait == Sel_normal)
2824	selection_wait = Sel_none;
2825	}	2744	}
2826		2745
2827	void	2746	void
2828	rxvt_term::incr_cb (ev::timer &w, int revents) NOTHROW	2747	rxvt_term::paste (char *data, unsigned int len) NOTHROW
2829	{	2748	{
2830	selection_wait = Sel_none;	2749	if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2831
2832	incr_buf_size = 0;
2833	free (incr_buf);
2834
2835	rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2836	}
2837
2838	void
2839	rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2840	{
2841	if (prop == None || selection_wait != Sel_incr)
2842	return;	2750	return;
2843		2751
2844	selection_paste (win, prop, true);	2752	tt_paste (data, len);
2845	}	2753	}
2846		2754
2847	/* ------------------------------------------------------------------------- */	2755	/* ------------------------------------------------------------------------- */
2848	/*	2756	/*
2849	* Request the current selection:	2757	* Request PRIMARY, SECONDARY or CLIPBOARD selection.
2850	* Order: > internal selection if available	2758	* if the requested selection has no owner or is empty CUT_BUFFER0 is used
2851	* > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+)	2759	* as fallback
2852	* > CUT_BUFFER0
2853	* (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2854	* will auto fallback to CUT_BUFFER0
2855	* EXT: button 2 release	2760	* EXT: button 2 release
2856	*/	2761	*/
2857	void	2762	void
2858	rxvt_term::selection_request (Time tm, int selnum) NOTHROW	2763	rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2859	{	2764	{
2860	if (selection.text && selnum == Sel_Primary)	2765	if (!selection_req)
2861	{
2862	/* internal selection */
2863	char *str = rxvt_wcstombs (selection.text, selection.len);
2864	paste (str, strlen (str));
2865	free (str);
2866	return;
2867	}	2766	{
2868	else	2767	selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
		2768	selection_req->run ();
2869	{	2769	}
2870	selection_request_time = tm;
2871	selection_wait = Sel_normal;
2872
2873	#if X_HAVE_UTF8_STRING
2874	selection_type = Sel_UTF8String;
2875	if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2876	return;
2877	#else
2878	selection_type = Sel_CompoundText;
2879	if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2880	return;
2881	#endif
2882	}
2883
2884	selection_wait = Sel_none; /* don't loop in selection_paste () */
2885	selection_paste (display->root, XA_CUT_BUFFER0, false);
2886	}
2887
2888	int
2889	rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2890	{
2891	Atom sel;
2892
2893	selection_type |= selnum;
2894
2895	if (selnum == Sel_Primary)
2896	sel = XA_PRIMARY;
2897	else if (selnum == Sel_Secondary)
2898	sel = XA_SECONDARY;
2899	else
2900	sel = xa[XA_CLIPBOARD];
2901
2902	if (XGetSelectionOwner (dpy, sel) != None)
2903	{
2904	XConvertSelection (dpy, sel, target, xa[XA_VT_SELECTION],
2905	vt, selection_request_time);
2906	return 1;
2907	}
2908
2909	return 0;
2910	}	2770	}
2911		2771
2912	/* ------------------------------------------------------------------------- */	2772	/* ------------------------------------------------------------------------- */
2913	/*	2773	/*
2914	* Clear all selected text	2774	* Clear all selected text
2915	* EXT: SelectionClear	2775	* EXT: SelectionClear
2916	*/	2776	*/
2917	void	2777	void
2918	rxvt_term::selection_clear () NOTHROW	2778	rxvt_term::selection_clear (bool clipboard) NOTHROW
2919	{	2779	{
		2780	if (!clipboard)
		2781	{
2920	want_refresh = 1;	2782	want_refresh = 1;
2921	free (selection.text);	2783	free (selection.text);
2922	selection.text = NULL;	2784	selection.text = NULL;
2923	selection.len = 0;	2785	selection.len = 0;
2924	CLEAR_SELECTION ();	2786	CLEAR_SELECTION ();
2925		2787
2926	if (display->selection_owner == this)	2788	if (display->selection_owner == this)
2927	display->selection_owner = 0;	2789	display->selection_owner = 0;
		2790	}
		2791	else
		2792	{
		2793	free (selection.clip_text);
		2794	selection.clip_text = NULL;
		2795	selection.clip_len = 0;
		2796
		2797	if (display->clipboard_owner == this)
		2798	display->clipboard_owner = 0;
		2799	}
2928	}	2800	}
2929		2801
2930	/* ------------------------------------------------------------------------- */	2802	/* ------------------------------------------------------------------------- */
2931	/*	2803	/*
2932	* Copy a selection into the cut buffer	2804	* Copy a selection into the cut buffer
2933	* EXT: button 1 or 3 release	2805	* EXT: button 1 or 3 release
2934	*/	2806	*/
2935	void	2807	void
2936	rxvt_term::selection_make (Time tm)	2808	rxvt_term::selection_make (Time tm)
2937	{	2809	{
2938	int i;	2810	int size;
2939	wchar_t *new_selection_text;	2811	wchar_t *new_selection_text;
2940	text_t *t;	2812	text_t *t;
2941		2813
2942	switch (selection.op)	2814	switch (selection.op)
2943	{	2815	{
…		…
2959	return; /* nothing selected, go away */	2831	return; /* nothing selected, go away */
2960		2832
2961	if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))	2833	if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2962	return;	2834	return;
2963		2835
2964	i = (selection.end.row - selection.beg.row + 1) * (ncol + 1);	2836	size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2965	new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));	2837	new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2966		2838
2967	int ofs = 0;	2839	int ofs = 0;
2968	int extra = 0;	2840	int extra = 0;
2969		2841
2970	int col = selection.beg.col;	2842	int col = selection.beg.col;
…		…
2976	{	2848	{
2977	#if !ENABLE_MINIMAL	2849	#if !ENABLE_MINIMAL
2978	if (selection.rect)	2850	if (selection.rect)
2979	{	2851	{
2980	col = selection.beg.col;	2852	col = selection.beg.col;
2981	end_col = ncol + 1;	2853	end_col = selection.end.col;
2982	}	2854	}
2983	else	2855	else
2984	#endif	2856	#endif
2985	end_col = ROW(row).l;	2857	end_col = ROW(row).l;
2986		2858
2987	col = max (col, 0);	2859	col = max (col, 0);
2988		2860
2989	if (row == selection.end.row	2861	if (row == selection.end.row)
2990	#if !ENABLE_MINIMAL
2991	|| selection.rect
2992	#endif
2993	)
2994	min_it (end_col, selection.end.col);	2862	min_it (end_col, selection.end.col);
2995		2863
2996	t = ROW(row).t + col;	2864	t = ROW(row).t + col;
2997		2865
2998	for (; col < end_col; col++)	2866	for (; col < end_col; col++)
…		…
3006		2874
3007	extra -= (len - 1);	2875	extra -= (len - 1);
3008		2876
3009	if (extra < 0)	2877	if (extra < 0)
3010	{	2878	{
3011	extra += i;	2879	extra += size;
3012	i += i;	2880	size += size;
3013	new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t));	2881	new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
3014	}	2882	}
3015		2883
3016	ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);	2884	ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
3017	}	2885	}
3018	#endif	2886	#endif
…		…
3030		2898
3031	new_selection_text[ofs++] = C0_LF;	2899	new_selection_text[ofs++] = C0_LF;
3032	}	2900	}
3033	else	2901	else
3034	#endif	2902	#endif
3035	if (!ROW(row).is_longer () && row != selection.end.row)	2903	if (!ROW(row).is_longer ()
		2904	&& (row != selection.end.row || end_col != selection.end.col)
		2905	&& (row != selection.beg.row || selection.beg.col < ncol))
3036	new_selection_text[ofs++] = C0_LF;	2906	new_selection_text[ofs++] = C0_LF;
3037	}	2907	}
3038
3039	if (end_col != selection.end.col)
3040	new_selection_text[ofs++] = C0_LF;
3041		2908
3042	new_selection_text[ofs] = 0;	2909	new_selection_text[ofs] = 0;
3043		2910
3044	if (ofs == 0)	2911	if (ofs == 0)
3045	{	2912	{
…		…
3058		2925
3059	selection_grab (tm);	2926	selection_grab (tm);
3060	}	2927	}
3061		2928
3062	bool	2929	bool
3063	rxvt_term::selection_grab (Time tm) NOTHROW	2930	rxvt_term::selection_grab (Time tm, bool clipboard) NOTHROW
3064	{	2931	{
		2932	Atom sel;
		2933
		2934	if (!clipboard)
		2935	{
3065	selection_time = tm;	2936	selection_time = tm;
		2937	sel = XA_PRIMARY;
		2938	}
		2939	else
		2940	{
		2941	clipboard_time = tm;
		2942	sel = xa[XA_CLIPBOARD];
		2943	}
3066		2944
3067	XSetSelectionOwner (dpy, XA_PRIMARY, vt, tm);	2945	XSetSelectionOwner (dpy, sel, vt, tm);
3068	if (XGetSelectionOwner (dpy, XA_PRIMARY) == vt)	2946	if (XGetSelectionOwner (dpy, sel) == vt)
3069	{	2947	{
3070	display->set_selection_owner (this);	2948	display->set_selection_owner (this, clipboard);
3071	return true;	2949	return true;
3072	}	2950	}
3073	else	2951	else
3074	{	2952	{
3075	selection_clear ();	2953	selection_clear (clipboard);
3076	return false;	2954	return false;
3077	}	2955	}
3078		2956
3079	#if 0	2957	#if 0
3080	XTextProperty ct;	2958	XTextProperty ct;
…		…
3540	* EXT: SelectionRequest	3418	* EXT: SelectionRequest
3541	*/	3419	*/
3542	void	3420	void
3543	rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW	3421	rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3544	{	3422	{
		3423	Atom property = rq.property == None ? rq.target : rq.property;
3545	XSelectionEvent ev;	3424	XSelectionEvent ev;
3546		3425
3547	ev.type = SelectionNotify;	3426	ev.type = SelectionNotify;
3548	ev.property = None;	3427	ev.property = None;
3549	ev.display = rq.display;	3428	ev.display = rq.display;
…		…
3564	*target++ = xa[XA_COMPOUND_TEXT];	3443	*target++ = xa[XA_COMPOUND_TEXT];
3565	#if X_HAVE_UTF8_STRING	3444	#if X_HAVE_UTF8_STRING
3566	*target++ = xa[XA_UTF8_STRING];	3445	*target++ = xa[XA_UTF8_STRING];
3567	#endif	3446	#endif
3568		3447
3569	XChangeProperty (dpy, rq.requestor, rq.property, XA_ATOM,	3448	XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3570	32, PropModeReplace,	3449	32, PropModeReplace,
3571	(unsigned char *)target_list, target - target_list);	3450	(unsigned char *)target_list, target - target_list);
3572	ev.property = rq.property;	3451	ev.property = property;
3573	}	3452	}
3574	#if TODO // TODO	3453	#if TODO // TODO
3575	else if (rq.target == xa[XA_MULTIPLE])	3454	else if (rq.target == xa[XA_MULTIPLE])
3576	{	3455	{
3577	/* TODO: Handle MULTIPLE */	3456	/* TODO: Handle MULTIPLE */
3578	}	3457	}
3579	#endif	3458	#endif
3580	else if (rq.target == xa[XA_TIMESTAMP] && selection.text)	3459	else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3581	{	3460	{
3582	XChangeProperty (dpy, rq.requestor, rq.property, rq.target,	3461	XChangeProperty (dpy, rq.requestor, property, rq.target,
3583	32, PropModeReplace, (unsigned char *)&selection_time, 1);	3462	32, PropModeReplace, (unsigned char *)&selection_time, 1);
3584	ev.property = rq.property;	3463	ev.property = property;
		3464	}
		3465	else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
		3466	{
		3467	XChangeProperty (dpy, rq.requestor, property, rq.target,
		3468	32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
		3469	ev.property = property;
3585	}	3470	}
3586	else if (rq.target == XA_STRING	3471	else if (rq.target == XA_STRING
3587	|| rq.target == xa[XA_TEXT]	3472	|| rq.target == xa[XA_TEXT]
3588	|| rq.target == xa[XA_COMPOUND_TEXT]	3473	|| rq.target == xa[XA_COMPOUND_TEXT]
3589	|| rq.target == xa[XA_UTF8_STRING]	3474	|| rq.target == xa[XA_UTF8_STRING]
…		…
3621	{	3506	{
3622	target = xa[XA_COMPOUND_TEXT];	3507	target = xa[XA_COMPOUND_TEXT];
3623	style = enc_compound_text;	3508	style = enc_compound_text;
3624	}	3509	}
3625		3510
3626	if (selection.text)	3511	if (rq.selection == XA_PRIMARY && selection.text)
3627	{	3512	{
3628	cl = selection.text;	3513	cl = selection.text;
3629	selectlen = selection.len;	3514	selectlen = selection.len;
		3515	}
		3516	else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
		3517	{
		3518	cl = selection.clip_text;
		3519	selectlen = selection.clip_len;
3630	}	3520	}
3631	else	3521	else
3632	{	3522	{
3633	cl = L"";	3523	cl = L"";
3634	selectlen = 0;	3524	selectlen = 0;
…		…
3655	ct.value = (unsigned char *)cl;	3545	ct.value = (unsigned char *)cl;
3656	ct.nitems = selectlen;	3546	ct.nitems = selectlen;
3657	ct.encoding = target;	3547	ct.encoding = target;
3658	}	3548	}
3659		3549
3660	XChangeProperty (dpy, rq.requestor, rq.property,	3550	XChangeProperty (dpy, rq.requestor, property,
3661	ct.encoding, 8, PropModeReplace,	3551	ct.encoding, 8, PropModeReplace,
3662	ct.value, (int)ct.nitems);	3552	ct.value, (int)ct.nitems);
3663	ev.property = rq.property;	3553	ev.property = property;
3664		3554
3665	if (freect)	3555	if (freect)
3666	XFree (ct.value);	3556	XFree (ct.value);
3667	}	3557	}
3668		3558
…		…
3702	h += 2; min_it (h, nrow);	3592	h += 2; min_it (h, nrow);
3703		3593
3704	x -= 1; clamp_it (x, 0, ncol - w);	3594	x -= 1; clamp_it (x, 0, ncol - w);
3705	y -= 1; clamp_it (y, 0, nrow - h);	3595	y -= 1; clamp_it (y, 0, nrow - h);
3706		3596
3707	ov_x = x; ov_y = y;	3597	ov.x = x; ov.y = y;
3708	ov_w = w; ov_h = h;	3598	ov.w = w; ov.h = h;
3709		3599
3710	ov_text = new text_t *[h];	3600	ov.text = new text_t *[h];
3711	ov_rend = new rend_t *[h];	3601	ov.rend = new rend_t *[h];
3712		3602
3713	for (y = 0; y < h; y++)	3603	for (y = 0; y < h; y++)
3714	{	3604	{
3715	text_t *tp = ov_text[y] = new text_t[w];	3605	text_t *tp = ov.text[y] = new text_t[w];
3716	rend_t *rp = ov_rend[y] = new rend_t[w];	3606	rend_t *rp = ov.rend[y] = new rend_t[w];
3717		3607
3718	text_t t0, t1, t2;	3608	text_t t0, t1, t2;
3719	rend_t r = OVERLAY_RSTYLE;	3609	rend_t r = OVERLAY_RSTYLE;
3720		3610
3721	if (y == 0)	3611	if (y == 0)
…		…
3740	}	3630	}
3741		3631
3742	void	3632	void
3743	rxvt_term::scr_overlay_off () NOTHROW	3633	rxvt_term::scr_overlay_off () NOTHROW
3744	{	3634	{
3745	if (!ov_text)	3635	if (!ov.text)
3746	return;	3636	return;
3747		3637
3748	want_refresh = 1;	3638	want_refresh = 1;
3749		3639
3750	for (int y = 0; y < ov_h; y++)	3640	for (int y = 0; y < ov.h; y++)
3751	{	3641	{
3752	delete [] ov_text[y];	3642	delete [] ov.text[y];
3753	delete [] ov_rend[y];	3643	delete [] ov.rend[y];
3754	}	3644	}
3755		3645
3756	delete [] ov_text; ov_text = 0;	3646	delete [] ov.text; ov.text = 0;
3757	delete [] ov_rend; ov_rend = 0;	3647	delete [] ov.rend; ov.rend = 0;
3758	}	3648	}
3759		3649
3760	void	3650	void
3761	rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW	3651	rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3762	{	3652	{
3763	if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2)	3653	if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3764	return;	3654	return;
3765		3655
3766	x++, y++;	3656	x++, y++;
3767		3657
3768	ov_text[y][x] = text;	3658	ov.text[y][x] = text;
3769	ov_rend[y][x] = rend;	3659	ov.rend[y][x] = rend;
3770	}	3660	}
3771		3661
3772	void	3662	void
3773	rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW	3663	rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3774	{	3664	{
…		…
3793	}	3683	}
3794		3684
3795	void	3685	void
3796	rxvt_term::scr_swap_overlay () NOTHROW	3686	rxvt_term::scr_swap_overlay () NOTHROW
3797	{	3687	{
3798	if (!ov_text)	3688	if (!ov.text)
3799	return;	3689	return;
3800		3690
		3691	// hide cursor if it is within the overlay area
		3692	if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
		3693	&& IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
		3694	screen.flags &= ~Screen_VisibleCursor;
		3695
3801	// swap screen mem with overlay	3696	// swap screen mem with overlay
3802	for (int y = ov_h; y--; )	3697	for (int y = ov.h; y--; )
3803	{	3698	{
3804	text_t *t1 = ov_text[y];	3699	text_t *t1 = ov.text[y];
3805	rend_t *r1 = ov_rend[y];	3700	rend_t *r1 = ov.rend[y];
3806		3701
3807	text_t *t2 = ROW(y + ov_y + view_start).t + ov_x;	3702	text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3808	rend_t *r2 = ROW(y + ov_y + view_start).r + ov_x;	3703	rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3809		3704
3810	for (int x = ov_w; x--; )	3705	for (int x = ov.w; x--; )
3811	{	3706	{
3812	text_t t = *t1; *t1++ = *t2; *t2++ = t;	3707	text_t t = *t1; *t1++ = *t2; *t2++ = t;
3813	rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));	3708	rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3814	}	3709	}
3815	}	3710	}

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