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/cvs/rxvt-unicode/src/screen.C

Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.289 by root, Fri Dec 14 05:25:26 2007 UTC vs.
Revision 1.390 by sf-exg, Fri Jul 8 20:54:31 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 - 1);
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 - 1);
		767	l.is_longer (0);
		768	l.touch ();
		769	}
		770
739	}	771	}
740		772
741	return count;	773	return count;
742	}	774	}
743		775
…		…
772	scr_scroll_text (screen.tscroll, screen.bscroll, minlines);	804	scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
773	screen.cur.row -= minlines;	805	screen.cur.row -= minlines;
774	}	806	}
775	}	807	}
776		808
777	#ifdef DEBUG_STRICT
778	assert (screen.cur.col < ncol);	809	assert (screen.cur.col < ncol);
779	assert (screen.cur.row < nrow	810	assert (screen.cur.row < nrow
780	&& screen.cur.row >= top_row);	811	&& screen.cur.row >= top_row);
781	#endif
782	int row = screen.cur.row;	812	int row = screen.cur.row;
783		813
784	checksel = selection.op && current_screen == selection.screen ? 1 : 0;	814	checksel = selection.op && current_screen == selection.screen ? 1 : 0;
785		815
786	line_t *line = &ROW(row);	816	line_t *line = &ROW(row);
787		817
788	while (str < strend)	818	while (str < strend)
789	{	819	{
790	c = (unicode_t)*str++; // convert to rxvt-unicodes representation	820	c = (unicode_t)*str++; // convert to rxvt-unicodes representation
791		821
792	if (c < 0x20)	822	if (ecb_unlikely (c < 0x20))
793	if (c == C0_LF)	823	if (c == C0_LF)
794	{	824	{
795	max_it (line->l, screen.cur.col);	825	max_it (line->l, screen.cur.col);
796		826
797	screen.flags &= ~Screen_WrapNext;	827	screen.flags &= ~Screen_WrapNext;
…		…
816	{	846	{
817	scr_tab (1, true);	847	scr_tab (1, true);
818	continue;	848	continue;
819	}	849	}
820		850
		851	if (ecb_unlikely (
821	if (checksel /* see if we're writing within selection */	852	checksel /* see if we're writing within selection */
822	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)	853	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
823	&& ROWCOL_IS_BEFORE (screen.cur, selection.end))	854	&& ROWCOL_IS_BEFORE (screen.cur, selection.end)
		855	))
824	{	856	{
825	checksel = 0;	857	checksel = 0;
826	/*	858	/*
827	* If we wrote anywhere in the selected area, kill the selection	859	* If we wrote anywhere in the selected area, kill the selection
828	* XXX: should we kill the mark too? Possibly, but maybe that	860	* XXX: should we kill the mark too? Possibly, but maybe that
829	* should be a similar check.	861	* should be a similar check.
830	*/	862	*/
831	CLEAR_SELECTION ();	863	CLEAR_SELECTION ();
832	}	864	}
833		865
834	if (screen.flags & Screen_WrapNext)	866	if (ecb_unlikely (screen.flags & Screen_WrapNext))
835	{	867	{
836	scr_do_wrap ();	868	scr_do_wrap ();
837		869
838	line->l = ncol;	870	line->l = ncol;
839	line->is_longer (1);	871	line->is_longer (1);
…		…
841	row = screen.cur.row;	873	row = screen.cur.row;
842	line = &ROW(row); /* _must_ refresh */	874	line = &ROW(row); /* _must_ refresh */
843	}	875	}
844		876
845	// some utf-8 decoders "decode" surrogate characters: let's fix this.	877	// some utf-8 decoders "decode" surrogate characters: let's fix this.
846	if (IN_RANGE_INC (c, 0xd800, 0xdfff))	878	if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
847	c = 0xfffd;	879	c = 0xfffd;
848		880
849	// rely on wcwidth to tell us the character width, do wcwidth before	881	// rely on wcwidth to tell us the character width, do wcwidth before
850	// further replacements, as wcwidth might return -1 for the line	882	// further replacements, as wcwidth might return -1 for the line
851	// drawing characters below as they might be invalid in the current	883	// drawing characters below as they might be invalid in the current
852	// locale.	884	// locale.
853	int width = WCWIDTH (c);	885	int width = WCWIDTH (c);
854		886
855	if (charsets [screen.charset] == '0') // DEC SPECIAL	887	if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
856	{	888	{
857	// vt100 special graphics and line drawing	889	// vt100 special graphics and line drawing
858	// 5f-7e standard vt100	890	// 5f-7e standard vt100
859	// 40-5e rxvt extension for extra curses acs chars	891	// 40-5e rxvt extension for extra curses acs chars
860	static uint16_t vt100_0[62] = { // 41 .. 7e	892	static uint16_t vt100_0[62] = { // 41 .. 7e
…		…
873	c = vt100_0[c - 0x41];	905	c = vt100_0[c - 0x41];
874	width = 1; // vt100 line drawing characters are always single-width	906	width = 1; // vt100 line drawing characters are always single-width
875	}	907	}
876	}	908	}
877		909
878	if (screen.flags & Screen_Insert)	910	if (ecb_unlikely (screen.flags & Screen_Insert))
879	scr_insdel_chars (width, INSERT);	911	scr_insdel_chars (width, INSERT);
880		912
881	if (width != 0)	913	if (width != 0)
882	{	914	{
883	#if !UNICODE_3	915	#if !UNICODE_3
…		…
888	# else	920	# else
889	c = 0xfffd;	921	c = 0xfffd;
890	# endif	922	# endif
891	#endif	923	#endif
892		924
		925	rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
		926
		927	// if the character doesn't fit into the remaining columns...
		928	if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
		929	{
		930	if (screen.flags & Screen_Autowrap)
		931	{
		932	// ... artificially enlargen the previous one
		933	c = NOCHAR;
		934	// and try the same character next loop iteration
		935	--str;
		936	}
		937	else
		938	screen.cur.col = ncol - width;
		939	}
		940
893	// nuke the character at this position, if required	941	// nuke the character at this position, if required
		942	// due to wonderful coincidences everywhere else in this loop
		943	// we never have to check for overwriting a wide char itself,
		944	// only its tail.
894	if (line->t[screen.cur.col] == NOCHAR	945	if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
895	|| (screen.cur.col < ncol - 1	946	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		947
925	line->touch ();	948	line->touch ();
926		949
927	do	950	do
928	{	951	{
929	line->t[screen.cur.col] = c;	952	line->t[screen.cur.col] = c;
930	line->r[screen.cur.col] = rend;	953	line->r[screen.cur.col] = rend;
931		954
932	if (screen.cur.col < ncol - 1)	955	if (ecb_likely (screen.cur.col < ncol - 1))
933	screen.cur.col++;	956	screen.cur.col++;
934	else	957	else
935	{	958	{
936	line->l = ncol;	959	line->l = ncol;
937	if (screen.flags & Screen_Autowrap)	960	if (screen.flags & Screen_Autowrap)
938	screen.flags |= Screen_WrapNext;	961	screen.flags |= Screen_WrapNext;
939	break;	962
		963	goto end_of_line;
940	}	964	}
941		965
942	c = NOCHAR;	966	c = NOCHAR;
943	}	967	}
944	while (--width > 0);	968	while (ecb_unlikely (--width > 0));
945		969
946	// pad with spaces when overwriting wide character with smaller one	970	// pad with spaces when overwriting wide character with smaller one
947	if (!width)	971	for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
948	{	972	{
949	line->touch ();	973	line->t[c] = ' ';
		974	line->r[c] = rend;
		975	}
950		976
951	for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)	977	end_of_line:
		978	;
		979	}
		980	#if ENABLE_COMBINING
		981	else // width == 0
		982	{
		983	if (c != 0xfeff) // ignore BOM
		984	{
		985	// handle combining characters
		986	// we just tag the accent on the previous on-screen character.
		987	// this is arguably not correct, but also arguably not wrong.
		988	// we don't handle double-width characters nicely yet.
		989	line_t *linep;
		990	text_t *tp;
		991	rend_t *rp;
		992
		993	if (screen.cur.col > 0)
952	{	994	{
953	line->t[c] = ' ';
954	line->r[c] = rend;	995	linep = line;
		996	tp = line->t + screen.cur.col - 1;
		997	rp = line->r + screen.cur.col - 1;
955	}	998	}
		999	else if (screen.cur.row > 0
		1000	&& ROW(screen.cur.row - 1).is_longer ())
		1001	{
		1002	linep = &ROW(screen.cur.row - 1);
		1003	tp = line->t + ncol - 1;
		1004	rp = line->r + ncol - 1;
		1005	}
		1006	else
		1007	continue;
		1008
		1009	linep->touch ();
		1010
		1011	while (*tp == NOCHAR && tp > linep->t)
		1012	tp--, rp--;
		1013
		1014	// first try to find a precomposed character
		1015	unicode_t n = rxvt_compose (*tp, c);
		1016	if (n == NOCHAR)
		1017	n = rxvt_composite.compose (*tp, c);
		1018
		1019	*tp = n;
		1020	*rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
956	}	1021	}
957	}	1022	}
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	1023	#endif
998	}
999	}	1024	}
1000		1025
1001	max_it (line->l, screen.cur.col);	1026	max_it (line->l, screen.cur.col);
1002		1027
1003	#ifdef DEBUG_STRICT
1004	assert (screen.cur.row >= 0);	1028	assert (screen.cur.row >= 0);
1005	#endif
1006	}	1029	}
1007		1030
1008	/* ------------------------------------------------------------------------- */	1031	/* ------------------------------------------------------------------------- */
1009	/*	1032	/*
1010	* Process Backspace. Move back the cursor back a position, wrap if have to	1033	* Process Backspace. Move back the cursor back a position, wrap if have to
1011	* XTERM_SEQ: CTRL-H	1034	* XTERM_SEQ: CTRL-H
1012	*/	1035	*/
1013	void	1036	void
1014	rxvt_term::scr_backspace () NOTHROW	1037	rxvt_term::scr_backspace () NOTHROW
1015	{	1038	{
1016	want_refresh = 1;
1017
1018	if (screen.cur.col == 0)	1039	if (screen.cur.col == 0)
1019	{	1040	{
1020	if (screen.cur.row > 0)	1041	if (screen.cur.row > 0)
1021	{	1042	{
1022	#ifdef TERMCAP_HAS_BW	1043	#ifdef TERMCAP_HAS_BW
1023	screen.cur.col = ncol - 1;	1044	screen.cur.col = ncol - 1;
1024	screen.cur.row--;	1045	--screen.cur.row;
1025	return;	1046
		1047	want_refresh = 1;
1026	#endif	1048	#endif
1027	}	1049	}
1028	}	1050	}
1029	else if (!(screen.flags & Screen_WrapNext))	1051	else if (screen.flags & Screen_WrapNext)
		1052	screen.flags &= ~Screen_WrapNext;
		1053	else
1030	scr_gotorc (0, -1, RELATIVE);	1054	scr_gotorc (0, -1, RELATIVE);
1031
1032	screen.flags &= ~Screen_WrapNext;
1033	}	1055	}
1034		1056
1035	/* ------------------------------------------------------------------------- */	1057	/* ------------------------------------------------------------------------- */
1036	/*	1058	/*
1037	* Process Horizontal Tab	1059	* Process Horizontal Tab
…		…
1230	/*	1252	/*
1231	* Erase part or whole of a line	1253	* Erase part or whole of a line
1232	* XTERM_SEQ: Clear line to right: ESC [ 0 K	1254	* XTERM_SEQ: Clear line to right: ESC [ 0 K
1233	* XTERM_SEQ: Clear line to left : ESC [ 1 K	1255	* XTERM_SEQ: Clear line to left : ESC [ 1 K
1234	* XTERM_SEQ: Clear whole line : ESC [ 2 K	1256	* XTERM_SEQ: Clear whole line : ESC [ 2 K
		1257	* extension: clear to right unless wrapped: ESC [ 3 K
1235	*/	1258	*/
1236	void	1259	void
1237	rxvt_term::scr_erase_line (int mode) NOTHROW	1260	rxvt_term::scr_erase_line (int mode) NOTHROW
1238	{	1261	{
1239	unsigned int col, num;	1262	unsigned int col, num;
…		…
1248	line.touch ();	1271	line.touch ();
1249	line.is_longer (0);	1272	line.is_longer (0);
1250		1273
1251	switch (mode)	1274	switch (mode)
1252	{	1275	{
		1276	case 3:
		1277	if (screen.flags & Screen_WrapNext)
		1278	return;
		1279
		1280	/* fall through */
		1281
1253	case 0: /* erase to end of line */	1282	case 0: /* erase to end of line */
1254	col = screen.cur.col;	1283	col = screen.cur.col;
1255	num = ncol - col;	1284	num = ncol - col;
1256	min_it (line.l, col);	1285	min_it (line.l, col);
		1286
1257	if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)	1287	if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1258	|| ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))	1288	|| ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1259	CLEAR_SELECTION ();	1289	CLEAR_SELECTION ();
1260	break;	1290	break;
		1291
1261	case 1: /* erase to beginning of line */	1292	case 1: /* erase to beginning of line */
1262	col = 0;	1293	col = 0;
1263	num = screen.cur.col + 1;	1294	num = screen.cur.col + 1;
		1295
1264	if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)	1296	if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1265	|| ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))	1297	|| ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1266	CLEAR_SELECTION ();	1298	CLEAR_SELECTION ();
1267	break;	1299	break;
		1300
1268	case 2: /* erase whole line */	1301	case 2: /* erase whole line */
1269	col = 0;	1302	col = 0;
1270	num = ncol;	1303	num = ncol;
1271	line.l = 0;	1304	line.l = 0;
1272	if (selection.beg.row <= screen.cur.row	1305	if (selection.beg.row <= screen.cur.row
…		…
1330	if (row >= nrow) /* Out Of Bounds */	1363	if (row >= nrow) /* Out Of Bounds */
1331	return;	1364	return;
1332		1365
1333	min_it (num, nrow - row);	1366	min_it (num, nrow - row);
1334		1367
1335	if (rstyle & (RS_RVid | RS_Uline))	1368	if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1336	ren = (rend_t) ~RS_None;	1369	ren = (rend_t) ~RS_None;
1337	else if (GET_BASEBG (rstyle) == Color_bg)	1370	else if (GET_BASEBG (rstyle) == Color_bg)
1338	{	1371	{
1339	ren = DEFAULT_RSTYLE;	1372	ren = DEFAULT_RSTYLE;
1340	CLEAR_ROWS (row, num);	1373
		1374	if (mapped)
		1375	XClearArea (dpy, vt, 0,
		1376	Row2Pixel (row - view_start), (unsigned int)width,
		1377	(unsigned int)Height2Pixel (num), False);
1341	}	1378	}
1342	else	1379	else
1343	{	1380	{
1344	ren = rstyle & (RS_fgMask | RS_bgMask);	1381	ren = rstyle & (RS_fgMask | RS_bgMask);
		1382
		1383	if (mapped)
		1384	{
1345	gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];	1385	gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1346	XChangeGC (dpy, gc, GCForeground, &gcvalue);	1386	XChangeGC (dpy, gc, GCForeground, &gcvalue);
1347	ERASE_ROWS (row, num);	1387	XFillRectangle (dpy, vt, gc,
		1388	0, Row2Pixel (row - view_start),
		1389	(unsigned int)width,
		1390	(unsigned int)Height2Pixel (num));
1348	gcvalue.foreground = pix_colors[Color_fg];	1391	gcvalue.foreground = pix_colors[Color_fg];
1349	XChangeGC (dpy, gc, GCForeground, &gcvalue);	1392	XChangeGC (dpy, gc, GCForeground, &gcvalue);
		1393	}
1350	}	1394	}
1351		1395
1352	for (; num--; row++)	1396	for (; num--; row++)
1353	{	1397	{
1354	scr_blank_screen_mem (ROW(row), rstyle);	1398	scr_blank_screen_mem (ROW(row), rstyle);
		1399
		1400	if (row - view_start < nrow)
1355	scr_blank_line (drawn_buf [row], 0, ncol, ren);	1401	scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1356	}	1402	}
1357	}	1403	}
1358		1404
1359	#if !ENABLE_MINIMAL	1405	#if !ENABLE_MINIMAL
1360	void	1406	void
…		…
1434	* Insert/Delete <count> characters from the current position	1480	* Insert/Delete <count> characters from the current position
1435	*/	1481	*/
1436	void	1482	void
1437	rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW	1483	rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1438	{	1484	{
1439	int col, row;
1440	rend_t tr;
1441
1442	want_refresh = 1;	1485	want_refresh = 1;
1443	ZERO_SCROLLBACK ();	1486	ZERO_SCROLLBACK ();
1444		1487
1445	if (count <= 0)	1488	if (count <= 0)
1446	return;	1489	return;
…		…
1448	scr_do_wrap ();	1491	scr_do_wrap ();
1449		1492
1450	selection_check (1);	1493	selection_check (1);
1451	min_it (count, ncol - screen.cur.col);	1494	min_it (count, ncol - screen.cur.col);
1452		1495
1453	row = screen.cur.row;	1496	int row = screen.cur.row;
1454		1497
1455	line_t *line = &ROW(row);	1498	line_t *line = &ROW(row);
1456		1499
1457	line->touch ();	1500	line->touch ();
1458	line->is_longer (0);	1501	line->is_longer (0);
1459		1502
		1503	// nuke wide spanning the start
		1504	if (line->t[screen.cur.col] == NOCHAR)
		1505	scr_kill_char (*line, screen.cur.col);
		1506
1460	switch (insdel)	1507	switch (insdel)
1461	{	1508	{
1462	case INSERT:	1509	case INSERT:
1463	for (col = ncol - 1; (col - count) >= screen.cur.col; col--)	1510	line->l = min (line->l + count, ncol);
		1511
		1512	if (line->t[screen.cur.col] == NOCHAR)
		1513	scr_kill_char (*line, screen.cur.col);
		1514
		1515	for (int col = ncol - 1; (col - count) >= screen.cur.col; col--)
1464	{	1516	{
1465	line->t[col] = line->t[col - count];	1517	line->t[col] = line->t[col - count];
1466	line->r[col] = line->r[col - count];	1518	line->r[col] = line->r[col - count];
1467	}	1519	}
1468
1469	line->l = min (line->l + count, ncol);
1470		1520
1471	if (selection.op && current_screen == selection.screen	1521	if (selection.op && current_screen == selection.screen
1472	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))	1522	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1473	{	1523	{
1474	if (selection.end.row != screen.cur.row	1524	if (selection.end.row != screen.cur.row
…		…
1489	case ERASE:	1539	case ERASE:
1490	screen.cur.col += count; /* don't worry if > ncol */	1540	screen.cur.col += count; /* don't worry if > ncol */
1491	selection_check (1);	1541	selection_check (1);
1492	screen.cur.col -= count;	1542	screen.cur.col -= count;
1493		1543
1494	line->l = max (line->l - count, 0);	1544	// nuke wide char after the end
		1545	if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
		1546	scr_kill_char (*line, screen.cur.col + count);
		1547
1495	scr_blank_line (*line, screen.cur.col, count, rstyle);	1548	scr_blank_line (*line, screen.cur.col, count, rstyle);
1496	break;	1549	break;
1497		1550
1498	case DELETE:	1551	case DELETE:
1499	tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask);	1552	line->l = max (line->l - count, 0);
1500		1553
		1554	// nuke wide char spanning the end
		1555	if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
		1556	scr_kill_char (*line, screen.cur.col + count);
		1557
1501	for (col = screen.cur.col; (col + count) < ncol; col++)	1558	for (int col = screen.cur.col; (col + count) < ncol; col++)
1502	{	1559	{
1503	line->t[col] = line->t[col + count];	1560	line->t[col] = line->t[col + count];
1504	line->r[col] = line->r[col + count];	1561	line->r[col] = line->r[col + count];
1505	}	1562	}
1506		1563
1507	line->l = max (line->l - count, 0);
1508	scr_blank_line (*line, ncol - count, count, tr);	1564	scr_blank_line (*line, ncol - count, count, rstyle);
1509		1565
1510	if (selection.op && current_screen == selection.screen	1566	if (selection.op && current_screen == selection.screen
1511	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))	1567	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1512	{	1568	{
1513	if (selection.end.row != screen.cur.row	1569	if (selection.end.row != screen.cur.row
…		…
1649	{	1705	{
1650	rvideo_state = on;	1706	rvideo_state = on;
1651		1707
1652	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);	1708	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1653	#ifdef HAVE_BG_PIXMAP	1709	#ifdef HAVE_BG_PIXMAP
1654	if (bgPixmap.pixmap == None)	1710	if (bg_pixmap == None)
1655	#endif	1711	#endif
1656	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);	1712	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1657		1713
1658	XGCValues gcvalue;	1714	XGCValues gcvalue;
1659	gcvalue.foreground = pix_colors[Color_fg];	1715	gcvalue.foreground = pix_colors[Color_fg];
…		…
1803	for (i = PART_BEG; i < RC_COUNT; i++)	1859	for (i = PART_BEG; i < RC_COUNT; i++)
1804	{	1860	{
1805	min_it (rc[i].col, ncol - 1);	1861	min_it (rc[i].col, ncol - 1);
1806	min_it (rc[i].row, nrow - 1);	1862	min_it (rc[i].row, nrow - 1);
1807	}	1863	}
1808	// TODO: this line somehow causes segfault if scr_expose() is called just after resize	1864
1809	for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)	1865	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);	1866	fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1811		1867
1812	num_scr_allow = 0;	1868	num_scr_allow = 0;
1813		1869
…		…
1872	void	1928	void
1873	rxvt_term::bell_cb (ev::timer &w, int revents)	1929	rxvt_term::bell_cb (ev::timer &w, int revents)
1874	{	1930	{
1875	rvideo_bell = false;	1931	rvideo_bell = false;
1876	scr_rvideo_mode (rvideo_mode);	1932	scr_rvideo_mode (rvideo_mode);
		1933	refresh_check ();
1877	}	1934	}
1878	#endif	1935	#endif
1879		1936
1880	/* ------------------------------------------------------------------------- */	1937	/* ------------------------------------------------------------------------- */
1881	void	1938	void
…		…
1885		1942
1886	# ifndef NO_MAPALERT	1943	# ifndef NO_MAPALERT
1887	# ifdef MAPALERT_OPTION	1944	# ifdef MAPALERT_OPTION
1888	if (option (Opt_mapAlert))	1945	if (option (Opt_mapAlert))
1889	# endif	1946	# endif
1890	XMapWindow (dpy, parent[0]);	1947	XMapWindow (dpy, parent);
1891	# endif	1948	# endif
1892		1949
1893	# if ENABLE_FRILLS	1950	# if ENABLE_FRILLS
1894	if (option (Opt_urgentOnBell))	1951	if (option (Opt_urgentOnBell))
1895	{	1952	set_urgency (1);
1896	if (XWMHints *h = XGetWMHints(dpy, parent[0]))
1897	{
1898	h->flags |= XUrgencyHint;
1899	XSetWMHints (dpy, parent[0], h);
1900	}
1901	}
1902	# endif	1953	# endif
1903		1954
1904	if (option (Opt_visualBell))	1955	if (option (Opt_visualBell))
1905	{	1956	{
1906	rvideo_bell = true;	1957	rvideo_bell = true;
1907	scr_rvideo_mode (rvideo_mode);	1958	scr_rvideo_mode (rvideo_mode);
1908	display->flush ();	1959	flush ();
1909		1960
1910	bell_ev.start (VISUAL_BELL_DURATION);	1961	bell_ev.start (VISUAL_BELL_DURATION);
1911	}	1962	}
1912	else	1963	else
1913	XBell (dpy, 0);	1964	XBell (dpy, 0);
		1965	HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1914	#endif	1966	#endif
1915	}	1967	}
1916		1968
1917	/* ------------------------------------------------------------------------- */	1969	/* ------------------------------------------------------------------------- */
1918	/* ARGSUSED */
1919	void	1970	void
1920	rxvt_term::scr_printscreen (int fullhist) NOTHROW	1971	rxvt_term::scr_printscreen (int fullhist) NOTHROW
1921	{	1972	{
1922	#ifdef PRINTPIPE	1973	#ifdef PRINTPIPE
1923	int nrows, row_start;	1974	int nrows, row_start;
1924	FILE *fd;	1975	FILE *fd = popen_printer ();
1925		1976
1926	if ((fd = popen_printer ()) == NULL)	1977	if (!fd)
1927	return;	1978	return;
1928		1979
1929	if (fullhist)	1980	if (fullhist)
1930	{	1981	{
1931	nrows = nrow - top_row;	1982	nrows = nrow - top_row;
…		…
1937	row_start = view_start;	1988	row_start = view_start;
1938	}	1989	}
1939		1990
1940	wctomb (0, 0);	1991	wctomb (0, 0);
1941		1992
1942	for (int r1 = 0; r1 < nrows; r1++)	1993	for (int r1 = row_start; r1 < row_start + nrows; r1++)
1943	{	1994	{
1944	text_t *tp = ROW(r1).t;	1995	text_t *tp = ROW(r1).t;
1945	int len = ROW(r1).l;	1996	int len = ROW(r1).l;
1946		1997
1947	for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN	1998	for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
…		…
1976	* screen.text/screen.rend contain what the screen will change to.	2027	* screen.text/screen.rend contain what the screen will change to.
1977	*/	2028	*/
1978	void	2029	void
1979	rxvt_term::scr_refresh () NOTHROW	2030	rxvt_term::scr_refresh () NOTHROW
1980	{	2031	{
1981	unsigned char have_bg,
1982	showcursor; /* show the cursor */
1983	int16_t col, row, /* column/row we're processing */	2032	int16_t col, row, /* column/row we're processing */
1984	ocrow; /* old cursor row */	2033	ocrow; /* old cursor row */
1985	int i; /* tmp */	2034	int i; /* tmp */
1986	#ifndef NO_CURSORCOLOR	2035	#ifndef NO_CURSORCOLOR
1987	rend_t cc1; /* store colours at cursor position (s) */	2036	rend_t cc1; /* store colours at cursor position (s) */
…		…
1996	return;	2045	return;
1997		2046
1998	/*	2047	/*
1999	* A: set up vars	2048	* A: set up vars
2000	*/	2049	*/
2001	have_bg = 0;
2002	refresh_count = 0;	2050	refresh_count = 0;
2003		2051
		2052	unsigned int old_screen_flags = screen.flags;
		2053	char have_bg = 0;
2004	#ifdef HAVE_BG_PIXMAP	2054	#ifdef HAVE_BG_PIXMAP
2005	have_bg |= bgPixmap.pixmap != None;	2055	have_bg = bg_pixmap != None;
2006	#endif	2056	#endif
2007	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */	2057	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2008		2058
2009	/*	2059	/*
2010	* B: reverse any characters which are selected	2060	* B: reverse any characters which are selected
2011	*/	2061	*/
2012	scr_reverse_selection ();	2062	scr_reverse_selection ();
		2063
		2064	HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
		2065	#if ENABLE_OVERLAY
		2066	scr_swap_overlay ();
		2067	#endif
		2068
		2069	char showcursor = screen.flags & Screen_VisibleCursor;
2013		2070
2014	/*	2071	/*
2015	* C: set the cursor character (s)	2072	* C: set the cursor character (s)
2016	*/	2073	*/
2017	{	2074	{
2018	unsigned char setoldcursor;	2075	unsigned char setoldcursor;
2019		2076
2020	showcursor = (screen.flags & Screen_VisibleCursor);
2021	#ifdef CURSOR_BLINK	2077	#ifdef CURSOR_BLINK
2022	if (hidden_cursor)	2078	if (hidden_cursor)
2023	showcursor = 0;	2079	showcursor = 0;
2024	#endif	2080	#endif
2025		2081
…		…
2053	ccol2 = bgcolor_of (rstyle);	2109	ccol2 = bgcolor_of (rstyle);
2054	#else	2110	#else
2055	ccol2 = Color_bg;	2111	ccol2 = Color_bg;
2056	#endif	2112	#endif
2057		2113
2058	if (showcursor && focus)	2114	if (focus)
2059	{	2115	{
2060	if (option (Opt_cursorUnderline))	2116	if (option (Opt_cursorUnderline))
2061	*crp ^= RS_Uline;	2117	*crp ^= RS_Uline;
2062	else	2118	else
2063	{	2119	{
…		…
2098	oldcursor.col = screen.cur.col;	2154	oldcursor.col = screen.cur.col;
2099	}	2155	}
2100	}	2156	}
2101	}	2157	}
2102		2158
2103	HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2104	#if ENABLE_OVERLAY
2105	scr_swap_overlay ();
2106	#endif
2107
2108	#ifndef NO_SLOW_LINK_SUPPORT	2159	#ifndef NO_SLOW_LINK_SUPPORT
2109	/*	2160	/*
2110	* D: CopyArea pass - very useful for slower links	2161	* D: CopyArea pass - very useful for slower links
2111	* This has been deliberately kept simple.	2162	* This has been deliberately kept simple.
2112	*/	2163	*/
…		…
2201	continue;	2252	continue;
2202		2253
2203	// redraw one or more characters	2254	// redraw one or more characters
2204		2255
2205	// seek to the beginning of wide characters	2256	// seek to the beginning of wide characters
2206	while (stp[col] == NOCHAR && col > 0)	2257	while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2207	--col;	2258	--col;
2208		2259
2209	rend_t rend = srp[col]; /* screen rendition (target rendtion) */	2260	rend_t rend = srp[col]; /* screen rendition (target rendition) */
2210	text_t *text = stp + col;	2261	text_t *text = stp + col;
2211	int count = 1;	2262	int count = 1;
2212		2263
2213	dtp[col] = stp[col];	2264	dtp[col] = stp[col];
2214	drp[col] = rend;	2265	drp[col] = rend;
…		…
2218	for (i = 0; ++col < ncol; )	2269	for (i = 0; ++col < ncol; )
2219	{	2270	{
2220	if (stp[col] == NOCHAR)	2271	if (stp[col] == NOCHAR)
2221	{	2272	{
2222	dtp[col] = stp[col];	2273	dtp[col] = stp[col];
2223	drp[col] = rend;	2274	drp[col] = srp[col];
		2275
2224	count++;	2276	count++;
2225	i++;	2277	i++;
2226		2278
2227	continue;	2279	continue;
2228	}	2280	}
…		…
2248		2300
2249	col--; /* went one too far. move back */	2301	col--; /* went one too far. move back */
2250	count -= i; /* dump any matching trailing chars */	2302	count -= i; /* dump any matching trailing chars */
2251		2303
2252	// sometimes we optimize away the trailing NOCHAR's, add them back	2304	// sometimes we optimize away the trailing NOCHAR's, add them back
2253	while (i && text[count] == NOCHAR)	2305	while (ecb_unlikely (i && text[count] == NOCHAR))
2254	count++, i--;	2306	count++, i--;
2255		2307
2256	/*	2308	/*
2257	* Determine the attributes for the string	2309	* Determine the attributes for the string
2258	*/	2310	*/
2259	int fore = fgcolor_of (rend); // desired foreground	2311	int fore = fgcolor_of (rend); // desired foreground
2260	int back = bgcolor_of (rend); // desired background	2312	int back = bgcolor_of (rend); // desired background
2261		2313
2262	// only do special processing if any attributes are set, which is unlikely	2314	// only do special processing if any attributes are set, which is unlikely
2263	if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful))	2315	if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2264	{	2316	{
2265	bool invert = rend & RS_RVid;	2317	bool invert = rend & RS_RVid;
2266		2318
2267	#ifndef NO_BOLD_UNDERLINE_REVERSE	2319	#ifndef NO_BOLD_UNDERLINE_REVERSE
2268	if (rend & RS_Bold
2269	&& fore == Color_fg)	2320	if (rend & RS_Bold && fore == Color_fg)
2270	{	2321	{
2271	if (ISSET_PIXCOLOR (Color_BD))	2322	if (ISSET_PIXCOLOR (Color_BD))
2272	fore = Color_BD;	2323	fore = Color_BD;
2273	# if !ENABLE_STYLES	2324	# if !ENABLE_STYLES
2274	else	2325	else
2275	invert = !invert;	2326	invert = !invert;
2276	# endif	2327	# endif
2277	}	2328	}
2278		2329
2279	if (rend & RS_Italic	2330	if (rend & RS_Italic && fore == Color_fg)
2280	&& fore == Color_fg)
2281	{	2331	{
2282	if (ISSET_PIXCOLOR (Color_IT))	2332	if (ISSET_PIXCOLOR (Color_IT))
2283	fore = Color_IT;	2333	fore = Color_IT;
2284	# if !ENABLE_STYLES	2334	# if !ENABLE_STYLES
2285	else	2335	else
…		…
2289		2339
2290	if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))	2340	if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2291	fore = Color_UL;	2341	fore = Color_UL;
2292	#endif	2342	#endif
2293		2343
		2344	#ifdef OPTION_HC
		2345	if (rend & RS_Sel)
		2346	{
		2347	/* invert the column if no highlightColor is set or it is the
		2348	* current cursor column */
		2349	if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
		2350	&& ISSET_PIXCOLOR (Color_HC))
		2351	{
		2352	if (ISSET_PIXCOLOR (Color_HTC))
		2353	fore = Color_HTC;
		2354	// if invert is 0 reverse video is set so we use bg color as fg color
		2355	else if (!invert)
		2356	fore = back;
		2357
		2358	back = Color_HC;
		2359	invert = 0;
		2360	}
		2361	}
		2362	#endif
		2363
2294	if (invert)	2364	if (invert)
2295	{	2365	{
2296	#ifdef OPTION_HC
2297	if ((showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2298	|| !ISSET_PIXCOLOR (Color_HC))
2299	#endif
2300	/* invert the column if no highlightColor is set or it is the
2301	* current cursor column */
2302	::swap (fore, back);	2366	::swap (fore, back);
2303	#ifdef OPTION_HC
2304	else if (ISSET_PIXCOLOR (Color_HC))
2305	back = Color_HC;
2306	#endif
2307		2367
2308	#ifndef NO_BOLD_UNDERLINE_REVERSE	2368	#ifndef NO_BOLD_UNDERLINE_REVERSE
2309	# ifndef OPTION_HC
2310	if (ISSET_PIXCOLOR (Color_RV))
2311	back = Color_RV;
2312	# endif
2313	if (fore == back)	2369	if (fore == back)
2314	{	2370	{
2315	fore = Color_bg;	2371	fore = Color_bg;
2316	back = Color_fg;	2372	back = Color_fg;
2317	}	2373	}
…		…
2353	/*	2409	/*
2354	* Actually do the drawing of the string here	2410	* Actually do the drawing of the string here
2355	*/	2411	*/
2356	rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];	2412	rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2357		2413
2358	if (have_bg && back == Color_bg)	2414	if (ecb_likely (have_bg && back == Color_bg))
2359	{	2415	{
2360	// this is very ugly, maybe push it into ->draw?	2416	// this is very ugly, maybe push it into ->draw?
2361		2417
2362	for (i = 0; i < count; i++) /* don't draw empty strings */	2418	for (i = 0; i < count; i++) /* don't draw empty strings */
2363	if (text[i] != ' ')	2419	if (text[i] != ' ')
…		…
2370	did_clear: ;	2426	did_clear: ;
2371	}	2427	}
2372	else	2428	else
2373	font->draw (*drawable, xpixel, ypixel, text, count, fore, back);	2429	font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2374		2430
2375	if (rend & RS_Uline && font->descent > 1 && fore != back)	2431	if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2376	{	2432	{
2377	#if ENABLE_FRILLS	2433	#if ENABLE_FRILLS
2378	if (ISSET_PIXCOLOR (Color_underline))	2434	if (ISSET_PIXCOLOR (Color_underline))
2379	XSetForeground (dpy, gc, pix_colors[Color_underline]);	2435	XSetForeground (dpy, gc, pix_colors[Color_underline]);
2380	else	2436	else
2381	#endif	2437	#endif
2382	XSetForeground (dpy, gc, pix_colors[fore]);	2438	XSetForeground (dpy, gc, pix_colors[fore]);
2383		2439
2384	XDrawLine (dpy, drawBuffer, gc,	2440	XDrawLine (dpy, vt, gc,
2385	xpixel, ypixel + font->ascent + 1,	2441	xpixel, ypixel + font->ascent + 1,
2386	xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);	2442	xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2387	}	2443	}
2388	} /* for (col....) */	2444	} /* for (col....) */
2389	} /* for (row....) */	2445	} /* for (row....) */
2390
2391	#if ENABLE_OVERLAY
2392	scr_swap_overlay ();
2393	#endif
2394	HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2395		2446
2396	/*	2447	/*
2397	* G: cleanup cursor and display outline cursor if necessary	2448	* G: cleanup cursor and display outline cursor if necessary
2398	*/	2449	*/
2399	if (showcursor)	2450	if (showcursor)
…		…
2427	XSetForeground (dpy, gc, pix_colors[Color_cursor]);	2478	XSetForeground (dpy, gc, pix_colors[Color_cursor]);
2428	else	2479	else
2429	#endif	2480	#endif
2430	XSetForeground (dpy, gc, pix_colors[ccol1]);	2481	XSetForeground (dpy, gc, pix_colors[ccol1]);
2431		2482
2432	XDrawRectangle (dpy, drawBuffer, gc,	2483	XDrawRectangle (dpy, vt, gc,
2433	Col2Pixel (col),	2484	Col2Pixel (col),
2434	Row2Pixel (oldcursor.row),	2485	Row2Pixel (oldcursor.row),
2435	(unsigned int) (Width2Pixel (cursorwidth) - 1),	2486	(unsigned int) (Width2Pixel (cursorwidth) - 1),
2436	(unsigned int) (Height2Pixel (1) - lineSpace - 1));	2487	(unsigned int) (Height2Pixel (1) - lineSpace - 1));
2437	}	2488	}
2438	}	2489	}
2439		2490
2440	/*	2491	/*
2441	* H: cleanup selection	2492	* H: cleanup selection
2442	*/	2493	*/
		2494	#if ENABLE_OVERLAY
		2495	scr_swap_overlay ();
		2496	#endif
		2497	HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
		2498
2443	scr_reverse_selection ();	2499	scr_reverse_selection ();
2444		2500
		2501	screen.flags = old_screen_flags;
2445	num_scr = 0;	2502	num_scr = 0;
2446	num_scr_allow = 1;	2503	num_scr_allow = 1;
2447	}	2504	}
2448		2505
2449	void	2506	void
…		…
2470	scr_remap_chars (swap_buf [i]);	2527	scr_remap_chars (swap_buf [i]);
2471	}	2528	}
2472	}	2529	}
2473		2530
2474	void	2531	void
2475	rxvt_term::scr_recolour () NOTHROW	2532	rxvt_term::scr_recolour (bool refresh) NOTHROW
2476	{	2533	{
		2534	bool transparent = false;
		2535
2477	#ifdef HAVE_BG_PIXMAP	2536	#ifdef HAVE_BG_PIXMAP
2478	bgPixmap.apply ();	2537	if (bg_pixmap != None)
2479	#else	2538	{
		2539	# ifdef ENABLE_TRANSPARENCY
		2540	if (bg_flags & BG_IS_TRANSPARENT)
		2541	{
		2542	XSetWindowBackgroundPixmap (dpy, parent, bg_pixmap);
		2543	XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
		2544
		2545	transparent = true;
		2546	}
		2547	else
		2548	# endif
		2549	{
		2550	XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
		2551	XSetWindowBackgroundPixmap (dpy, vt, bg_pixmap);
		2552	}
		2553	}
		2554	else
		2555	#endif
		2556	{
2480	XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]);	2557	XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2481	XClearWindow (dpy, parent[0]);
2482	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);	2558	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2483	# if HAVE_SCROLLBARS	2559	}
		2560
		2561	XClearWindow (dpy, parent);
		2562
2484	if (scrollBar.win)	2563	if (scrollBar.win)
2485	{	2564	{
		2565	if (transparent)
		2566	XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
		2567	else
2486	XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);	2568	XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);
2487	scrollBar.setIdle ();	2569	scrollBar.state = STATE_IDLE;
2488	scrollbar_show (0);	2570	scrollBar.show (0);
2489	}	2571	}
2490	# endif	2572
		2573	if (refresh)
		2574	{
2491	scr_clear ();	2575	scr_clear ();
2492	scr_touch (true);	2576	scr_touch (true);
		2577	}
2493	want_refresh = 1;	2578	want_refresh = 1;
2494	#endif
2495
2496	}	2579	}
2497		2580
2498	/* ------------------------------------------------------------------------- */	2581	/* ------------------------------------------------------------------------- */
2499	void	2582	void
2500	rxvt_term::scr_clear (bool really) NOTHROW	2583	rxvt_term::scr_clear (bool really) NOTHROW
…		…
2567	{	2650	{
2568	#if !ENABLE_MINIMAL	2651	#if !ENABLE_MINIMAL
2569	if (selection.rect)	2652	if (selection.rect)
2570	scr_xor_rect (selection.beg.row, selection.beg.col,	2653	scr_xor_rect (selection.beg.row, selection.beg.col,
2571	selection.end.row, selection.end.col,	2654	selection.end.row, selection.end.col,
2572	RS_RVid, RS_RVid | RS_Uline);	2655	RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2573	else	2656	else
2574	#endif	2657	#endif
2575	scr_xor_span (selection.beg.row, selection.beg.col,	2658	scr_xor_span (selection.beg.row, selection.beg.col,
2576	selection.end.row, selection.end.col,	2659	selection.end.row, selection.end.col,
2577	RS_RVid);	2660	RS_Sel | RS_RVid);
2578	}	2661	}
2579	}	2662	}
2580		2663
2581	/* ------------------------------------------------------------------------- */	2664	/* ------------------------------------------------------------------------- */
2582	/*	2665	/*
…		…
2587	void	2670	void
2588	rxvt_term::scr_dump (int fd) NOTHROW	2671	rxvt_term::scr_dump (int fd) NOTHROW
2589	{	2672	{
2590	int row, wrote;	2673	int row, wrote;
2591	unsigned int width, towrite;	2674	unsigned int width, towrite;
2592	char r1[] = "\n";	2675	const char r1[] = "\n";
2593		2676
2594	for (row = saveLines - nsaved;	2677	for (row = saveLines + top_row;
2595	row < saveLines + nrow - 1; row++)	2678	row < saveLines + nrow - 1; row++)
2596	{	2679	{
2597	width = row_buf[row].l >= 0 ? row_buf[row].l	2680	width = row_buf[row].l >= 0 ? row_buf[row].l
2598	: ncol;	2681	: ncol;
2599	for (towrite = width; towrite; towrite -= wrote)	2682	for (towrite = width; towrite; towrite -= wrote)
…		…
2643	/* ------------------------------------------------------------------------- */	2726	/* ------------------------------------------------------------------------- */
2644	/*	2727	/*
2645	* Paste a selection direct to the command fd	2728	* Paste a selection direct to the command fd
2646	*/	2729	*/
2647	void	2730	void
2648	rxvt_term::paste (char *data, unsigned int len) NOTHROW	2731	rxvt_term::tt_paste (char *data, unsigned int len) NOTHROW
2649	{	2732	{
2650	/* convert normal newline chars into common keyboard Return key sequence */	2733	/* convert normal newline chars into common keyboard Return key sequence */
2651	for (unsigned int i = 0; i < len; i++)	2734	for (unsigned int i = 0; i < len; i++)
2652	if (data[i] == C0_LF)	2735	if (data[i] == C0_LF)
2653	data[i] = C0_CR;	2736	data[i] = C0_CR;
2654		2737
		2738	if (priv_modes & PrivMode_BracketPaste)
		2739	tt_printf ("\e[200~");
		2740
2655	tt_write (data, len);	2741	tt_write (data, len);
2656	}
2657		2742
2658	/* ------------------------------------------------------------------------- */	2743	if (priv_modes & PrivMode_BracketPaste)
2659	/*	2744	tt_printf ("\e[201~");
2660	* Respond to a notification that a primary selection has been sent
2661	* EXT: SelectionNotify
2662	*/
2663	void
2664	rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW
2665	{
2666	if (prop == None) /* check for failed XConvertSelection */
2667	{
2668	if ((selection_type & Sel_CompoundText))
2669	{
2670	int selnum = selection_type & Sel_whereMask;
2671
2672	selection_type = 0;
2673	if (selnum != Sel_direct)
2674	selection_request_other (XA_STRING, selnum);
2675	}
2676
2677	if ((selection_type & Sel_UTF8String))
2678	{
2679	int selnum = selection_type & Sel_whereMask;
2680
2681	selection_type = Sel_CompoundText;
2682	if (selnum != Sel_direct)
2683	selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2684	else
2685	selection_type = 0;
2686	}
2687
2688	return;
2689	}
2690
2691	unsigned long bytes_after;
2692	XTextProperty ct;
2693
2694	if (XGetWindowProperty (dpy, win, prop,
2695	0, PROP_SIZE / 4,
2696	delete_prop, AnyPropertyType,
2697	&ct.encoding, &ct.format,
2698	&ct.nitems, &bytes_after,
2699	&ct.value) != Success)
2700	{
2701	ct.value = 0;
2702	goto bailout;
2703	}
2704
2705	if (ct.encoding == None)
2706	goto bailout;
2707
2708	if (bytes_after)
2709	{
2710	// fetch and append remaining data
2711	XTextProperty ct2;
2712
2713	if (XGetWindowProperty (dpy, win, prop,
2714	ct.nitems / 4, (bytes_after + 3) / 4,
2715	delete_prop, AnyPropertyType,
2716	&ct2.encoding, &ct2.format,
2717	&ct2.nitems, &bytes_after,
2718	&ct2.value) != Success)
2719	goto bailout;
2720
2721	// realloc should be compatible to XFree, here, and elsewhere, too
2722	ct.value = (unsigned char *)realloc (ct.value, ct.nitems + ct2.nitems + 1);
2723	memcpy (ct.value + ct.nitems, ct2.value, ct2.nitems + 1);
2724	ct.nitems += ct2.nitems;
2725
2726	XFree (ct2.value);
2727	}
2728
2729	if (ct.value == 0)
2730	goto bailout;
2731
2732	if (ct.encoding == xa[XA_INCR])
2733	{
2734	// INCR selection, start handshake
2735	if (!delete_prop)
2736	XDeleteProperty (dpy, win, prop);
2737
2738	selection_wait = Sel_incr;
2739	incr_buf_fill = 0;
2740	incr_ev.start (10);
2741
2742	goto bailout;
2743	}
2744
2745	if (ct.nitems == 0)
2746	{
2747	if (selection_wait == Sel_incr)
2748	{
2749	XFree (ct.value);
2750
2751	// finally complete, now paste the whole thing
2752	selection_wait = Sel_normal;
2753	ct.value = (unsigned char *)incr_buf;
2754	ct.nitems = incr_buf_fill;
2755	incr_buf = 0;
2756	incr_buf_size = 0;
2757	incr_ev.stop ();
2758	}
2759	else
2760	{
2761	if (selection_wait == Sel_normal
2762	&& (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2763	{
2764	/*
2765	* pass through again trying CUT_BUFFER0 if we've come from
2766	* XConvertSelection () but nothing was presented
2767	*/
2768	selection_paste (display->root, XA_CUT_BUFFER0, False);
2769	}
2770
2771	goto bailout;
2772	}
2773	}
2774	else if (selection_wait == Sel_incr)
2775	{
2776	incr_ev.start (10);
2777
2778	while (incr_buf_fill + ct.nitems > incr_buf_size)
2779	{
2780	incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
2781	incr_buf = (char *)realloc (incr_buf, incr_buf_size);
2782	}
2783
2784	memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
2785	incr_buf_fill += ct.nitems;
2786
2787	goto bailout;
2788	}
2789
2790	char **cl;
2791	int cr;
2792
2793	#if !ENABLE_MINIMAL
2794	// xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
2795	// so recode it manually
2796	if (ct.encoding == xa[XA_UTF8_STRING])
2797	{
2798	wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2799	char *s = rxvt_wcstombs (w);
2800	free (w);
2801	// TODO: strlen == only the first element will be converted. well...
2802	paste (s, strlen (s));
2803	free (s);
2804	}
2805	else
2806	#endif
2807	if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
2808	&& cl)
2809	{
2810	for (int i = 0; i < cr; i++)
2811	paste (cl[i], strlen (cl[i]));
2812
2813	XFreeStringList (cl);
2814	}
2815	else
2816	paste ((char *)ct.value, ct.nitems); // paste raw
2817
2818	bailout:
2819	XFree (ct.value);
2820
2821	if (selection_wait == Sel_normal)
2822	selection_wait = Sel_none;
2823	}	2745	}
2824		2746
2825	void	2747	void
2826	rxvt_term::incr_cb (ev::timer &w, int revents) NOTHROW	2748	rxvt_term::paste (char *data, unsigned int len) NOTHROW
2827	{	2749	{
2828	selection_wait = Sel_none;	2750	if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2829
2830	incr_buf_size = 0;
2831	free (incr_buf);
2832
2833	rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2834	}
2835
2836	void
2837	rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2838	{
2839	if (prop == None || selection_wait != Sel_incr)
2840	return;	2751	return;
2841		2752
2842	selection_paste (win, prop, true);	2753	tt_paste (data, len);
2843	}	2754	}
2844		2755
2845	/* ------------------------------------------------------------------------- */	2756	/* ------------------------------------------------------------------------- */
2846	/*	2757	/*
2847	* Request the current selection:	2758	* Request PRIMARY, SECONDARY or CLIPBOARD selection.
2848	* Order: > internal selection if available	2759	* if the requested selection has no owner or is empty CUT_BUFFER0 is used
2849	* > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+)	2760	* as fallback
2850	* > CUT_BUFFER0
2851	* (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2852	* will auto fallback to CUT_BUFFER0
2853	* EXT: button 2 release	2761	* EXT: button 2 release
2854	*/	2762	*/
2855	void	2763	void
2856	rxvt_term::selection_request (Time tm, int selnum) NOTHROW	2764	rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2857	{	2765	{
2858	if (selection.text && selnum == Sel_Primary)	2766	if (!selection_req)
2859	{
2860	/* internal selection */
2861	char *str = rxvt_wcstombs (selection.text, selection.len);
2862	paste (str, strlen (str));
2863	free (str);
2864	return;
2865	}	2767	{
2866	else	2768	selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
		2769	selection_req->run ();
2867	{	2770	}
2868	selection_request_time = tm;
2869	selection_wait = Sel_normal;
2870
2871	#if X_HAVE_UTF8_STRING
2872	selection_type = Sel_UTF8String;
2873	if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2874	return;
2875	#else
2876	selection_type = Sel_CompoundText;
2877	if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2878	return;
2879	#endif
2880	}
2881
2882	selection_wait = Sel_none; /* don't loop in selection_paste () */
2883	selection_paste (display->root, XA_CUT_BUFFER0, false);
2884	}
2885
2886	int
2887	rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2888	{
2889	Atom sel;
2890
2891	selection_type |= selnum;
2892
2893	if (selnum == Sel_Primary)
2894	sel = XA_PRIMARY;
2895	else if (selnum == Sel_Secondary)
2896	sel = XA_SECONDARY;
2897	else
2898	sel = xa[XA_CLIPBOARD];
2899
2900	if (XGetSelectionOwner (dpy, sel) != None)
2901	{
2902	XConvertSelection (dpy, sel, target, xa[XA_VT_SELECTION],
2903	vt, selection_request_time);
2904	return 1;
2905	}
2906
2907	return 0;
2908	}	2771	}
2909		2772
2910	/* ------------------------------------------------------------------------- */	2773	/* ------------------------------------------------------------------------- */
2911	/*	2774	/*
2912	* Clear all selected text	2775	* Clear all selected text
2913	* EXT: SelectionClear	2776	* EXT: SelectionClear
2914	*/	2777	*/
2915	void	2778	void
2916	rxvt_term::selection_clear () NOTHROW	2779	rxvt_term::selection_clear (bool clipboard) NOTHROW
2917	{	2780	{
		2781	if (!clipboard)
		2782	{
2918	want_refresh = 1;	2783	want_refresh = 1;
2919	free (selection.text);	2784	free (selection.text);
2920	selection.text = NULL;	2785	selection.text = NULL;
2921	selection.len = 0;	2786	selection.len = 0;
2922	CLEAR_SELECTION ();	2787	CLEAR_SELECTION ();
2923		2788
2924	if (display->selection_owner == this)	2789	if (display->selection_owner == this)
2925	display->selection_owner = 0;	2790	display->selection_owner = 0;
		2791	}
		2792	else
		2793	{
		2794	free (selection.clip_text);
		2795	selection.clip_text = NULL;
		2796	selection.clip_len = 0;
		2797
		2798	if (display->clipboard_owner == this)
		2799	display->clipboard_owner = 0;
		2800	}
2926	}	2801	}
2927		2802
2928	/* ------------------------------------------------------------------------- */	2803	/* ------------------------------------------------------------------------- */
2929	/*	2804	/*
2930	* Copy a selection into the cut buffer	2805	* Copy a selection into the cut buffer
2931	* EXT: button 1 or 3 release	2806	* EXT: button 1 or 3 release
2932	*/	2807	*/
2933	void	2808	void
2934	rxvt_term::selection_make (Time tm)	2809	rxvt_term::selection_make (Time tm)
2935	{	2810	{
2936	int i;	2811	int size;
2937	wchar_t *new_selection_text;	2812	wchar_t *new_selection_text;
2938	text_t *t;	2813	text_t *t;
2939		2814
2940	switch (selection.op)	2815	switch (selection.op)
2941	{	2816	{
…		…
2957	return; /* nothing selected, go away */	2832	return; /* nothing selected, go away */
2958		2833
2959	if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))	2834	if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2960	return;	2835	return;
2961		2836
2962	i = (selection.end.row - selection.beg.row + 1) * (ncol + 1);	2837	size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2963	new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));	2838	new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2964		2839
2965	int ofs = 0;	2840	int ofs = 0;
2966	int extra = 0;	2841	int extra = 0;
2967		2842
2968	int col = selection.beg.col;	2843	int col = selection.beg.col;
…		…
2974	{	2849	{
2975	#if !ENABLE_MINIMAL	2850	#if !ENABLE_MINIMAL
2976	if (selection.rect)	2851	if (selection.rect)
2977	{	2852	{
2978	col = selection.beg.col;	2853	col = selection.beg.col;
2979	end_col = ncol + 1;	2854	end_col = selection.end.col;
2980	}	2855	}
2981	else	2856	else
2982	#endif	2857	#endif
2983	end_col = ROW(row).l;	2858	end_col = ROW(row).l;
2984		2859
2985	col = max (col, 0);	2860	col = max (col, 0);
2986		2861
2987	if (row == selection.end.row	2862	if (row == selection.end.row)
2988	#if !ENABLE_MINIMAL
2989	|| selection.rect
2990	#endif
2991	)
2992	min_it (end_col, selection.end.col);	2863	min_it (end_col, selection.end.col);
2993		2864
2994	t = ROW(row).t + col;	2865	t = ROW(row).t + col;
2995		2866
2996	for (; col < end_col; col++)	2867	for (; col < end_col; col++)
…		…
3004		2875
3005	extra -= (len - 1);	2876	extra -= (len - 1);
3006		2877
3007	if (extra < 0)	2878	if (extra < 0)
3008	{	2879	{
3009	extra += i;	2880	extra += size;
3010	i += i;	2881	size += size;
3011	new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t));	2882	new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
3012	}	2883	}
3013		2884
3014	ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);	2885	ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
3015	}	2886	}
3016	#endif	2887	#endif
…		…
3028		2899
3029	new_selection_text[ofs++] = C0_LF;	2900	new_selection_text[ofs++] = C0_LF;
3030	}	2901	}
3031	else	2902	else
3032	#endif	2903	#endif
3033	if (!ROW(row).is_longer () && row != selection.end.row)	2904	if (!ROW(row).is_longer ()
		2905	&& (row != selection.end.row || end_col != selection.end.col)
		2906	&& (row != selection.beg.row || selection.beg.col < ncol))
3034	new_selection_text[ofs++] = C0_LF;	2907	new_selection_text[ofs++] = C0_LF;
3035	}	2908	}
3036
3037	if (end_col != selection.end.col)
3038	new_selection_text[ofs++] = C0_LF;
3039		2909
3040	new_selection_text[ofs] = 0;	2910	new_selection_text[ofs] = 0;
3041		2911
3042	if (ofs == 0)	2912	if (ofs == 0)
3043	{	2913	{
…		…
3056		2926
3057	selection_grab (tm);	2927	selection_grab (tm);
3058	}	2928	}
3059		2929
3060	bool	2930	bool
3061	rxvt_term::selection_grab (Time tm) NOTHROW	2931	rxvt_term::selection_grab (Time tm, bool clipboard) NOTHROW
3062	{	2932	{
		2933	Atom sel;
		2934
		2935	if (!clipboard)
		2936	{
3063	selection_time = tm;	2937	selection_time = tm;
		2938	sel = XA_PRIMARY;
		2939	}
		2940	else
		2941	{
		2942	clipboard_time = tm;
		2943	sel = xa[XA_CLIPBOARD];
		2944	}
3064		2945
3065	XSetSelectionOwner (dpy, XA_PRIMARY, vt, tm);	2946	XSetSelectionOwner (dpy, sel, vt, tm);
3066	if (XGetSelectionOwner (dpy, XA_PRIMARY) == vt)	2947	if (XGetSelectionOwner (dpy, sel) == vt)
3067	{	2948	{
3068	display->set_selection_owner (this);	2949	display->set_selection_owner (this, clipboard);
3069	return true;	2950	return true;
3070	}	2951	}
3071	else	2952	else
3072	{	2953	{
3073	selection_clear ();	2954	selection_clear (clipboard);
3074	return false;	2955	return false;
3075	}	2956	}
3076		2957
3077	#if 0	2958	#if 0
3078	XTextProperty ct;	2959	XTextProperty ct;
…		…
3538	* EXT: SelectionRequest	3419	* EXT: SelectionRequest
3539	*/	3420	*/
3540	void	3421	void
3541	rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW	3422	rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3542	{	3423	{
		3424	Atom property = rq.property == None ? rq.target : rq.property;
3543	XSelectionEvent ev;	3425	XSelectionEvent ev;
3544		3426
3545	ev.type = SelectionNotify;	3427	ev.type = SelectionNotify;
3546	ev.property = None;	3428	ev.property = None;
3547	ev.display = rq.display;	3429	ev.display = rq.display;
…		…
3562	*target++ = xa[XA_COMPOUND_TEXT];	3444	*target++ = xa[XA_COMPOUND_TEXT];
3563	#if X_HAVE_UTF8_STRING	3445	#if X_HAVE_UTF8_STRING
3564	*target++ = xa[XA_UTF8_STRING];	3446	*target++ = xa[XA_UTF8_STRING];
3565	#endif	3447	#endif
3566		3448
3567	XChangeProperty (dpy, rq.requestor, rq.property, XA_ATOM,	3449	XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3568	32, PropModeReplace,	3450	32, PropModeReplace,
3569	(unsigned char *)target_list, target - target_list);	3451	(unsigned char *)target_list, target - target_list);
3570	ev.property = rq.property;	3452	ev.property = property;
3571	}	3453	}
3572	#if TODO // TODO	3454	#if TODO // TODO
3573	else if (rq.target == xa[XA_MULTIPLE])	3455	else if (rq.target == xa[XA_MULTIPLE])
3574	{	3456	{
3575	/* TODO: Handle MULTIPLE */	3457	/* TODO: Handle MULTIPLE */
3576	}	3458	}
3577	#endif	3459	#endif
3578	else if (rq.target == xa[XA_TIMESTAMP] && selection.text)	3460	else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3579	{	3461	{
3580	XChangeProperty (dpy, rq.requestor, rq.property, rq.target,	3462	XChangeProperty (dpy, rq.requestor, property, rq.target,
3581	32, PropModeReplace, (unsigned char *)&selection_time, 1);	3463	32, PropModeReplace, (unsigned char *)&selection_time, 1);
3582	ev.property = rq.property;	3464	ev.property = property;
		3465	}
		3466	else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
		3467	{
		3468	XChangeProperty (dpy, rq.requestor, property, rq.target,
		3469	32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
		3470	ev.property = property;
3583	}	3471	}
3584	else if (rq.target == XA_STRING	3472	else if (rq.target == XA_STRING
3585	|| rq.target == xa[XA_TEXT]	3473	|| rq.target == xa[XA_TEXT]
3586	|| rq.target == xa[XA_COMPOUND_TEXT]	3474	|| rq.target == xa[XA_COMPOUND_TEXT]
3587	|| rq.target == xa[XA_UTF8_STRING]	3475	|| rq.target == xa[XA_UTF8_STRING]
…		…
3619	{	3507	{
3620	target = xa[XA_COMPOUND_TEXT];	3508	target = xa[XA_COMPOUND_TEXT];
3621	style = enc_compound_text;	3509	style = enc_compound_text;
3622	}	3510	}
3623		3511
3624	if (selection.text)	3512	if (rq.selection == XA_PRIMARY && selection.text)
3625	{	3513	{
3626	cl = selection.text;	3514	cl = selection.text;
3627	selectlen = selection.len;	3515	selectlen = selection.len;
		3516	}
		3517	else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
		3518	{
		3519	cl = selection.clip_text;
		3520	selectlen = selection.clip_len;
3628	}	3521	}
3629	else	3522	else
3630	{	3523	{
3631	cl = L"";	3524	cl = L"";
3632	selectlen = 0;	3525	selectlen = 0;
…		…
3653	ct.value = (unsigned char *)cl;	3546	ct.value = (unsigned char *)cl;
3654	ct.nitems = selectlen;	3547	ct.nitems = selectlen;
3655	ct.encoding = target;	3548	ct.encoding = target;
3656	}	3549	}
3657		3550
3658	XChangeProperty (dpy, rq.requestor, rq.property,	3551	XChangeProperty (dpy, rq.requestor, property,
3659	ct.encoding, 8, PropModeReplace,	3552	ct.encoding, 8, PropModeReplace,
3660	ct.value, (int)ct.nitems);	3553	ct.value, (int)ct.nitems);
3661	ev.property = rq.property;	3554	ev.property = property;
3662		3555
3663	if (freect)	3556	if (freect)
3664	XFree (ct.value);	3557	XFree (ct.value);
3665	}	3558	}
3666		3559
…		…
3700	h += 2; min_it (h, nrow);	3593	h += 2; min_it (h, nrow);
3701		3594
3702	x -= 1; clamp_it (x, 0, ncol - w);	3595	x -= 1; clamp_it (x, 0, ncol - w);
3703	y -= 1; clamp_it (y, 0, nrow - h);	3596	y -= 1; clamp_it (y, 0, nrow - h);
3704		3597
3705	ov_x = x; ov_y = y;	3598	ov.x = x; ov.y = y;
3706	ov_w = w; ov_h = h;	3599	ov.w = w; ov.h = h;
3707		3600
3708	ov_text = new text_t *[h];	3601	ov.text = new text_t *[h];
3709	ov_rend = new rend_t *[h];	3602	ov.rend = new rend_t *[h];
3710		3603
3711	for (y = 0; y < h; y++)	3604	for (y = 0; y < h; y++)
3712	{	3605	{
3713	text_t *tp = ov_text[y] = new text_t[w];	3606	text_t *tp = ov.text[y] = new text_t[w];
3714	rend_t *rp = ov_rend[y] = new rend_t[w];	3607	rend_t *rp = ov.rend[y] = new rend_t[w];
3715		3608
3716	text_t t0, t1, t2;	3609	text_t t0, t1, t2;
3717	rend_t r = OVERLAY_RSTYLE;	3610	rend_t r = OVERLAY_RSTYLE;
3718		3611
3719	if (y == 0)	3612	if (y == 0)
…		…
3738	}	3631	}
3739		3632
3740	void	3633	void
3741	rxvt_term::scr_overlay_off () NOTHROW	3634	rxvt_term::scr_overlay_off () NOTHROW
3742	{	3635	{
3743	if (!ov_text)	3636	if (!ov.text)
3744	return;	3637	return;
3745		3638
3746	want_refresh = 1;	3639	want_refresh = 1;
3747		3640
3748	for (int y = 0; y < ov_h; y++)	3641	for (int y = 0; y < ov.h; y++)
3749	{	3642	{
3750	delete [] ov_text[y];	3643	delete [] ov.text[y];
3751	delete [] ov_rend[y];	3644	delete [] ov.rend[y];
3752	}	3645	}
3753		3646
3754	delete [] ov_text; ov_text = 0;	3647	delete [] ov.text; ov.text = 0;
3755	delete [] ov_rend; ov_rend = 0;	3648	delete [] ov.rend; ov.rend = 0;
3756	}	3649	}
3757		3650
3758	void	3651	void
3759	rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW	3652	rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3760	{	3653	{
3761	if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2)	3654	if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3762	return;	3655	return;
3763		3656
3764	x++, y++;	3657	x++, y++;
3765		3658
3766	ov_text[y][x] = text;	3659	ov.text[y][x] = text;
3767	ov_rend[y][x] = rend;	3660	ov.rend[y][x] = rend;
3768	}	3661	}
3769		3662
3770	void	3663	void
3771	rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW	3664	rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3772	{	3665	{
…		…
3791	}	3684	}
3792		3685
3793	void	3686	void
3794	rxvt_term::scr_swap_overlay () NOTHROW	3687	rxvt_term::scr_swap_overlay () NOTHROW
3795	{	3688	{
3796	if (!ov_text)	3689	if (!ov.text)
3797	return;	3690	return;
3798		3691
		3692	// hide cursor if it is within the overlay area
		3693	if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
		3694	&& IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
		3695	screen.flags &= ~Screen_VisibleCursor;
		3696
3799	// swap screen mem with overlay	3697	// swap screen mem with overlay
3800	for (int y = ov_h; y--; )	3698	for (int y = ov.h; y--; )
3801	{	3699	{
3802	text_t *t1 = ov_text[y];	3700	text_t *t1 = ov.text[y];
3803	rend_t *r1 = ov_rend[y];	3701	rend_t *r1 = ov.rend[y];
3804		3702
3805	text_t *t2 = ROW(y + ov_y + view_start).t + ov_x;	3703	text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3806	rend_t *r2 = ROW(y + ov_y + view_start).r + ov_x;	3704	rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3807		3705
3808	for (int x = ov_w; x--; )	3706	for (int x = ov.w; x--; )
3809	{	3707	{
3810	text_t t = *t1; *t1++ = *t2; *t2++ = t;	3708	text_t t = *t1; *t1++ = *t2; *t2++ = t;
3811	rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));	3709	rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3812	}	3710	}
3813	}	3711	}

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