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

Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.307 by root, Fri Jun 27 00:44:32 2008 UTC vs.
Revision 1.404 by sf-exg, Tue Nov 15 20:07:10 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	* ------------------------------------------------------------------------- */
…		…
50	if (option (Opt_scrollTtyOutput)) \	49	if (option (Opt_scrollTtyOutput)) \
51	view_start = 0	50	view_start = 0
52	#define CLEAR_SELECTION() \	51	#define CLEAR_SELECTION() \
53	selection.beg.row = selection.beg.col \	52	selection.beg.row = selection.beg.col \
54	= selection.end.row = selection.end.col = 0	53	= selection.end.row = selection.end.col = 0
55	#define CLEAR_ALL_SELECTION() \	54	#define CLEAR_SELECTION_MARK() \
56	selection.beg.row = selection.beg.col \
57	= selection.mark.row = selection.mark.col \
58	= selection.end.row = selection.end.col = 0	55	selection.mark.row = selection.mark.col = 0
59		56
60	#define ROW_AND_COL_IS_AFTER(A, B, C, D) \	57	#define ROW_AND_COL_IS_AFTER(A, B, C, D) \
61	(((A) > (C)) || (((A) == (C)) && ((B) > (D))))	58	(((A) > (C)) || (((A) == (C)) && ((B) > (D))))
62	#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \	59	#define ROW_AND_COL_IS_BEFORE(A, B, C, D) \
63	(((A) < (C)) || (((A) == (C)) && ((B) < (D))))	60	(((A) < (C)) || (((A) == (C)) && ((B) < (D))))
…		…
132		129
133	l.l = 0;	130	l.l = 0;
134	l.f = 0;	131	l.f = 0;
135	}	132	}
136		133
		134	// nuke a single wide character at the given column
		135	void
		136	rxvt_term::scr_kill_char (line_t &l, int col) const NOTHROW
		137	{
		138	// find begin
		139	while (col > 0 && l.t[col] == NOCHAR)
		140	col--;
		141
		142	rend_t rend = l.r[col] & ~RS_baseattrMask;
		143	rend = SET_FONT (rend, FONTSET (rend)->find_font (' '));
		144
		145	l.touch ();
		146
		147	// found start, nuke
		148	do {
		149	l.t[col] = ' ';
		150	l.r[col] = rend;
		151	col++;
		152	} while (col < ncol && l.t[col] == NOCHAR);
		153	}
		154
137	/* ------------------------------------------------------------------------- *	155	/* ------------------------------------------------------------------------- *
138	* SCREEN INITIALISATION *	156	* SCREEN INITIALISATION *
139	* ------------------------------------------------------------------------- */	157	* ------------------------------------------------------------------------- */
140		158
141	void	159	void
…		…
143	{	161	{
144	#if ENABLE_OVERLAY	162	#if ENABLE_OVERLAY
145	scr_overlay_off ();	163	scr_overlay_off ();
146	#endif	164	#endif
147		165
148	rvideo_mode = false;
149	view_start = 0;	166	view_start = 0;
150	num_scr = 0;	167	num_scr = 0;
151		168
152	if (ncol == 0)	169	if (ncol == 0)
153	ncol = 80;	170	ncol = 80;
…		…
155	if (nrow == 0)	172	if (nrow == 0)
156	nrow = 24;	173	nrow = 24;
157		174
158	if (ncol == prev_ncol && nrow == prev_nrow)	175	if (ncol == prev_ncol && nrow == prev_nrow)
159	return;	176	return;
160
161	if (current_screen != PRIMARY)
162	scr_swap_screen ();
163		177
164	// we need at least two lines for wrapping to work correctly	178	// we need at least two lines for wrapping to work correctly
165	while (nrow + saveLines < 2)	179	while (nrow + saveLines < 2)
166	{	180	{
167	//TODO//FIXME	181	//TODO//FIXME
…		…
187	term_start = 0;	201	term_start = 0;
188		202
189	talloc = new rxvt_salloc (ncol * sizeof (text_t));	203	talloc = new rxvt_salloc (ncol * sizeof (text_t));
190	ralloc = new rxvt_salloc (ncol * sizeof (rend_t));	204	ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
191		205
192	row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));	206	row_buf = (line_t *)rxvt_calloc (total_rows , sizeof (line_t));
193	drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));	207	drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
194	swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));	208	swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
195		209
196	for (int row = nrow; row--; )	210	for (int row = nrow; row--; )
197	{	211	{
…		…
220	selection.text = NULL;	234	selection.text = NULL;
221	selection.len = 0;	235	selection.len = 0;
222	selection.op = SELECTION_CLEAR;	236	selection.op = SELECTION_CLEAR;
223	selection.screen = PRIMARY;	237	selection.screen = PRIMARY;
224	selection.clicks = 0;	238	selection.clicks = 0;
		239	selection.clip_text = NULL;
		240	selection.clip_len = 0;
225	}	241	}
226	else	242	else
227	{	243	{
228	/*	244	/*
229	* add or delete rows as appropriate	245	* add or delete rows as appropriate
…		…
257	swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);	273	swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
258	drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);	274	drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
259	}	275	}
260		276
261	line_t *old_buf = row_buf;	277	line_t *old_buf = row_buf;
262	row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));	278	row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
263		279
264	int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row	280	int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
265	int pend = MOD (term_start + top_row , prev_total_rows);	281	int pend = MOD (term_start + top_row , prev_total_rows);
266	int q = total_rows; // rewrapped row	282	int q = total_rows; // rewrapped row
267		283
268	if (top_row)	284	if (top_row)
269	{	285	{
270	// Re-wrap lines. This is rather ugly, possibly because I am too dumb	286	// Re-wrap lines. This is rather ugly, possibly because I am too dumb
271	// to come up with a lean and mean algorithm.	287	// to come up with a lean and mean algorithm.
		288	// TODO: maybe optimise when width didn't change
272		289
273	row_col_t ocur = screen.cur;	290	row_col_t ocur = screen.cur;
274	ocur.row = MOD (term_start + ocur.row, prev_total_rows);	291	ocur.row = MOD (term_start + ocur.row, prev_total_rows);
275		292
276	do	293	do
277	{	294	{
278	p = MOD (p - 1, prev_total_rows);	295	p = MOD (p - 1, prev_total_rows);
279	#ifdef DEBUG_STRICT
280	assert (old_buf [MOD (p, prev_total_rows)].t);	296	assert (old_buf [MOD (p, prev_total_rows)].t);
281	#endif
282	int plines = 1;	297	int plines = 1;
283	int llen = old_buf [MOD (p, prev_total_rows)].l;	298	int llen = old_buf [MOD (p, prev_total_rows)].l;
284		299
285	while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())	300	while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())
286	{	301	{
…		…
380	delete old_ta;	395	delete old_ta;
381	delete old_ra;	396	delete old_ra;
382		397
383	clamp_it (screen.cur.row, 0, nrow - 1);	398	clamp_it (screen.cur.row, 0, nrow - 1);
384	clamp_it (screen.cur.col, 0, ncol - 1);	399	clamp_it (screen.cur.col, 0, ncol - 1);
		400	}
385		401
386	free (tabs);	402	free (tabs);
387	}	403	tabs = (char *)rxvt_malloc (ncol);
388		404
		405	for (int col = ncol; col--; )
		406	tabs [col] = col % TABSIZE == 0;
		407
389	CLEAR_ALL_SELECTION ();	408	CLEAR_SELECTION ();
		409	CLEAR_SELECTION_MARK ();
390		410
391	prev_nrow = nrow;	411	prev_nrow = nrow;
392	prev_ncol = ncol;	412	prev_ncol = ncol;
393
394	tabs = (char *)rxvt_malloc (ncol);
395
396	for (int col = ncol; --col; )
397	tabs [col] = col % TABSIZE == 0;
398
399	if (current_screen != PRIMARY)
400	scr_swap_screen ();
401		413
402	tt_winch ();	414	tt_winch ();
403		415
404	HOOK_INVOKE ((this, HOOK_RESET, DT_END));	416	HOOK_INVOKE ((this, HOOK_RESET, DT_END));
405	}	417	}
…		…
417	delete ralloc; ralloc = 0;	429	delete ralloc; ralloc = 0;
418		430
419	free (row_buf);	431	free (row_buf);
420	free (swap_buf);	432	free (swap_buf);
421	free (drawn_buf);	433	free (drawn_buf);
		434	row_buf = 0; // signal that we freed all the arrays above
		435
422	free (tabs);	436	free (tabs);
423		437	tabs = 0;
424	row_buf = 0; // signal that we freed all the arrays
425	}	438	}
426	}	439	}
427		440
428	/* ------------------------------------------------------------------------- */	441	/* ------------------------------------------------------------------------- */
429	/*	442	/*
430	* Hard reset	443	* Hard/Soft reset
431	*/	444	*/
432	void	445	void
433	rxvt_term::scr_poweron ()	446	rxvt_term::scr_poweron ()
434	{	447	{
435	scr_release ();	448	scr_release ();
436	prev_nrow = prev_ncol = 0;	449	prev_nrow = prev_ncol = 0;
		450	rvideo_mode = false;
		451	scr_soft_reset ();
437	scr_reset ();	452	scr_reset ();
438		453
439	scr_clear (true);	454	scr_clear (true);
440	scr_refresh ();	455	scr_refresh ();
		456	}
		457
		458	void
		459	rxvt_term::scr_soft_reset ()
		460	{
		461	/* only affects modes, nothing drastic such as clearing the screen */
		462	#if ENABLE_OVERLAY
		463	scr_overlay_off ();
		464	#endif
		465
		466	if (current_screen != PRIMARY)
		467	scr_swap_screen ();
		468
		469	scr_scroll_region (0, MAX_ROWS - 1);
		470	scr_rendition (0, ~RS_None);
		471	scr_insert_mode (0);
441	}	472	}
442		473
443	/* ------------------------------------------------------------------------- *	474	/* ------------------------------------------------------------------------- *
444	* PROCESS SCREEN COMMANDS *	475	* PROCESS SCREEN COMMANDS *
445	* ------------------------------------------------------------------------- */	476	* ------------------------------------------------------------------------- */
…		…
483	}	514	}
484		515
485	/* boundary check in case screen size changed between SAVE and RESTORE */	516	/* boundary check in case screen size changed between SAVE and RESTORE */
486	min_it (s->cur.row, nrow - 1);	517	min_it (s->cur.row, nrow - 1);
487	min_it (s->cur.col, ncol - 1);	518	min_it (s->cur.col, ncol - 1);
488	#ifdef DEBUG_STRICT
489	assert (s->cur.row >= 0);	519	assert (s->cur.row >= 0);
490	assert (s->cur.col >= 0);	520	assert (s->cur.col >= 0);
491	#endif
492	}	521	}
493		522
494	void	523	void
495	rxvt_term::scr_swap_screen ()	524	rxvt_term::scr_swap_screen ()
496	{	525	{
…		…
521	want_refresh = 1;	550	want_refresh = 1;
522	view_start = 0;	551	view_start = 0;
523		552
524	selection_check (2); /* check for boundary cross */	553	selection_check (2); /* check for boundary cross */
525		554
526	int i = current_screen; current_screen = scrn; scrn = i;	555	current_screen = scrn;
527		556
528	#if NSCREENS	557	#if NSCREENS
529	if (option (Opt_secondaryScreen))	558	if (option (Opt_secondaryScreen))
530	{	559	{
531	num_scr = 0;	560	num_scr = 0;
…		…
608		637
609	if (count > 0	638	if (count > 0
610	&& row1 == 0	639	&& row1 == 0
611	&& (current_screen == PRIMARY || option (Opt_secondaryScroll)))	640	&& (current_screen == PRIMARY || option (Opt_secondaryScroll)))
612	{	641	{
		642	min_it (count, total_rows - (nrow - (row2 + 1)));
		643
613	top_row = max (top_row - count, -saveLines);	644	top_row = max (top_row - count, -saveLines);
614
615	// scroll everything up 'count' lines
616	term_start = (term_start + count) % total_rows;
617		645
618	// sever bottommost line	646	// sever bottommost line
619	{	647	{
620	line_t &l = ROW(row2 - count);	648	line_t &l = ROW(row2);
621	l.is_longer (0);	649	l.is_longer (0);
622	l.touch ();	650	l.touch ();
623	}	651	}
624		652
		653	// scroll everything up 'count' lines
		654	term_start = (term_start + count) % total_rows;
		655
		656	// now copy lines below the scroll region bottom to the
		657	// bottom of the screen again, so they look as if they
		658	// hadn't moved.
		659	for (int i = nrow; --i > row2; )
		660	{
		661	line_t &l1 = ROW(i - count);
		662	line_t &l2 = ROW(i);
		663
		664	::swap (l1, l2);
		665	l2.touch ();
		666	}
		667
625	// erase newly scrolled-in lines	668	// erase newly scrolled-in lines
626	for (int i = count; i--; )	669	for (int i = count; i--; )
627	{	670	{
628	line_t &l = ROW(nrow - 1 - i);	671	line_t &l = ROW(row2 - i);
629		672
630	// optimize if already cleared, can be significant on slow machines	673	// optimise if already cleared, can be significant on slow machines
631	// could be rolled into scr_blank_screen_mem	674	// could be rolled into scr_blank_screen_mem
632	if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))	675	if (l.r && l.l < ncol - 1 && !((l.r[l.l + 1] ^ rstyle) & (RS_fgMask | RS_bgMask)))
633	{	676	{
634	scr_blank_line (l, 0, l.l, rstyle);	677	scr_blank_line (l, 0, l.l, rstyle);
635	l.l = 0;	678	l.l = 0;
…		…
637	}	680	}
638	else	681	else
639	scr_blank_screen_mem (l, rstyle);	682	scr_blank_screen_mem (l, rstyle);
640	}	683	}
641		684
642	// now copy lines below the scroll region bottom to the
643	// bottom of the screen again, so they look as if they
644	// hadn't moved.
645	for (int i = nrow; --i > row2; )
646	{
647	line_t &l1 = ROW(i - count);
648	line_t &l2 = ROW(i);
649
650	::swap (l1, l2);
651	l2.touch ();
652	}
653
654	// move and/or clear selection, if any	685	// move and/or clear selection, if any
655	if (selection.op && current_screen == selection.screen)	686	if (selection.op && current_screen == selection.screen
		687	&& selection.beg.row <= row2)
656	{	688	{
657	selection.beg.row -= count;	689	selection.beg.row -= count;
658	selection.end.row -= count;	690	selection.end.row -= count;
659	selection.mark.row -= count;	691	selection.mark.row -= count;
660		692
661	if (selection.beg.row < top_row	693	selection_check (0);
662	|| selection.end.row < top_row
663	|| selection.mark.row < top_row)
664	{
665	CLEAR_ALL_SELECTION ();
666	selection.op = SELECTION_CLEAR;
667	}
668	}	694	}
669		695
670	// finally move the view window, if desired	696	// finally move the view window, if desired
671	if (option (Opt_scrollWithBuffer)	697	if (option (Opt_scrollWithBuffer)
672	&& view_start != 0	698	&& view_start != 0
…		…
685	|| (selection.beg.row - count < row1 && selection.beg.row >= row1)	711	|| (selection.beg.row - count < row1 && selection.beg.row >= row1)
686	|| (selection.beg.row - count > row2 && selection.beg.row <= row2)	712	|| (selection.beg.row - count > row2 && selection.beg.row <= row2)
687	|| (selection.end.row - count < row1 && selection.end.row >= row1)	713	|| (selection.end.row - count < row1 && selection.end.row >= row1)
688	|| (selection.end.row - count > row2 && selection.end.row <= row2))	714	|| (selection.end.row - count > row2 && selection.end.row <= row2))
689	{	715	{
690	CLEAR_ALL_SELECTION ();	716	CLEAR_SELECTION ();
691	selection.op = SELECTION_CLEAR;	717	if (!IN_RANGE_EXC (selection.mark.row, top_row, nrow))
		718	CLEAR_SELECTION_MARK ();
692	}	719	}
693	else if (selection.end.row >= row1 && selection.end.row <= row2)	720	else if (selection.end.row >= row1 && selection.end.row <= row2)
694	{	721	{
695	/* move selected region too */	722	/* move selected region too */
696	selection.beg.row -= count;	723	selection.beg.row -= count;
…		…
702	}	729	}
703		730
704	// use a simple and robust scrolling algorithm, this	731	// use a simple and robust scrolling algorithm, this
705	// part of scr_scroll_text is not time-critical.	732	// part of scr_scroll_text is not time-critical.
706		733
		734	// sever line above scroll region
		735	if (row1)
		736	{
		737	line_t &l = ROW(row1 - 1);
		738	l.is_longer (0);
		739	l.touch ();
		740	}
		741
707	int rows = row2 - row1 + 1;	742	int rows = row2 - row1 + 1;
708		743
709	min_it (count, rows);	744	min_it (count, rows);
710		745
711	line_t *temp_buf = row_buf + total_rows;	746	line_t *temp_buf = rxvt_temp_buf<line_t> (rows);
712		747
713	for (int row = 0; row < rows; row++)	748	for (int row = 0; row < rows; row++)
714	{	749	{
715	temp_buf [row] = ROW(row1 + (row + count + rows) % rows);	750	temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
716		751
…		…
718	scr_blank_screen_mem (temp_buf [row], rstyle);	753	scr_blank_screen_mem (temp_buf [row], rstyle);
719	}	754	}
720		755
721	for (int row = 0; row < rows; row++)	756	for (int row = 0; row < rows; row++)
722	ROW(row1 + row) = temp_buf [row];	757	ROW(row1 + row) = temp_buf [row];
		758
		759	// sever bottommost line
		760	{
		761	line_t &l = ROW(row2);
		762	l.is_longer (0);
		763	l.touch ();
		764	}
723	}	765	}
724		766
725	return count;	767	return count;
726	}	768	}
727		769
…		…
733	rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW	775	rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
734	{	776	{
735	if (len <= 0) /* sanity */	777	if (len <= 0) /* sanity */
736	return;	778	return;
737		779
738	unsigned char checksel;	780	bool checksel;
739	unicode_t c;	781	unicode_t c;
740	int ncol = this->ncol;	782	int ncol = this->ncol;
741	const wchar_t *strend = str + len;	783	const wchar_t *strend = str + len;
742		784
743	want_refresh = 1;	785	want_refresh = 1;
…		…
756	scr_scroll_text (screen.tscroll, screen.bscroll, minlines);	798	scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
757	screen.cur.row -= minlines;	799	screen.cur.row -= minlines;
758	}	800	}
759	}	801	}
760		802
761	#ifdef DEBUG_STRICT
762	assert (screen.cur.col < ncol);	803	assert (screen.cur.col < ncol);
763	assert (screen.cur.row < nrow	804	assert (screen.cur.row < nrow
764	&& screen.cur.row >= top_row);	805	&& screen.cur.row >= top_row);
765	#endif
766	int row = screen.cur.row;	806	int row = screen.cur.row;
767		807
768	checksel = selection.op && current_screen == selection.screen ? 1 : 0;	808	checksel = selection.op && current_screen == selection.screen ? 1 : 0;
769		809
770	line_t *line = &ROW(row);	810	line_t *line = &ROW(row);
771		811
772	while (str < strend)	812	while (str < strend)
773	{	813	{
774	c = (unicode_t)*str++; // convert to rxvt-unicodes representation	814	c = (unicode_t)*str++; // convert to rxvt-unicodes representation
775		815
776	if (c < 0x20)	816	if (ecb_unlikely (c < 0x20))
777	if (c == C0_LF)	817	if (c == C0_LF)
778	{	818	{
779	max_it (line->l, screen.cur.col);	819	max_it (line->l, screen.cur.col);
780		820
781	screen.flags &= ~Screen_WrapNext;	821	screen.flags &= ~Screen_WrapNext;
…		…
800	{	840	{
801	scr_tab (1, true);	841	scr_tab (1, true);
802	continue;	842	continue;
803	}	843	}
804		844
		845	if (ecb_unlikely (
805	if (checksel /* see if we're writing within selection */	846	checksel /* see if we're writing within selection */
806	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)	847	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
807	&& ROWCOL_IS_BEFORE (screen.cur, selection.end))	848	&& ROWCOL_IS_BEFORE (screen.cur, selection.end)
		849	))
808	{	850	{
809	checksel = 0;	851	checksel = 0;
810	/*	852	/*
811	* If we wrote anywhere in the selected area, kill the selection	853	* If we wrote anywhere in the selected area, kill the selection
812	* XXX: should we kill the mark too? Possibly, but maybe that	854	* XXX: should we kill the mark too? Possibly, but maybe that
813	* should be a similar check.	855	* should be a similar check.
814	*/	856	*/
815	CLEAR_SELECTION ();	857	CLEAR_SELECTION ();
816	}	858	}
817		859
818	if (screen.flags & Screen_WrapNext)	860	if (ecb_unlikely (screen.flags & Screen_WrapNext))
819	{	861	{
820	scr_do_wrap ();	862	scr_do_wrap ();
821		863
822	line->l = ncol;	864	line->l = ncol;
823	line->is_longer (1);	865	line->is_longer (1);
…		…
825	row = screen.cur.row;	867	row = screen.cur.row;
826	line = &ROW(row); /* _must_ refresh */	868	line = &ROW(row); /* _must_ refresh */
827	}	869	}
828		870
829	// some utf-8 decoders "decode" surrogate characters: let's fix this.	871	// some utf-8 decoders "decode" surrogate characters: let's fix this.
830	if (IN_RANGE_INC (c, 0xd800, 0xdfff))	872	if (ecb_unlikely (IN_RANGE_INC (c, 0xd800, 0xdfff)))
831	c = 0xfffd;	873	c = 0xfffd;
832		874
833	// rely on wcwidth to tell us the character width, do wcwidth before	875	// rely on wcwidth to tell us the character width, do wcwidth before
834	// further replacements, as wcwidth might return -1 for the line	876	// further replacements, as wcwidth might return -1 for the line
835	// drawing characters below as they might be invalid in the current	877	// drawing characters below as they might be invalid in the current
836	// locale.	878	// locale.
837	int width = WCWIDTH (c);	879	int width = WCWIDTH (c);
838		880
839	if (charsets [screen.charset] == '0') // DEC SPECIAL	881	if (ecb_unlikely (charsets [screen.charset] == '0')) // DEC SPECIAL
840	{	882	{
841	// vt100 special graphics and line drawing	883	// vt100 special graphics and line drawing
842	// 5f-7e standard vt100	884	// 5f-7e standard vt100
843	// 40-5e rxvt extension for extra curses acs chars	885	// 40-5e rxvt extension for extra curses acs chars
844	static uint16_t vt100_0[62] = { // 41 .. 7e	886	static uint16_t vt100_0[62] = { // 41 .. 7e
…		…
857	c = vt100_0[c - 0x41];	899	c = vt100_0[c - 0x41];
858	width = 1; // vt100 line drawing characters are always single-width	900	width = 1; // vt100 line drawing characters are always single-width
859	}	901	}
860	}	902	}
861		903
862	if (screen.flags & Screen_Insert)	904	if (ecb_unlikely (screen.flags & Screen_Insert))
863	scr_insdel_chars (width, INSERT);	905	scr_insdel_chars (width, INSERT);
864		906
865	if (width != 0)	907	if (width != 0)
866	{	908	{
867	#if !UNICODE_3	909	#if !UNICODE_3
…		…
872	# else	914	# else
873	c = 0xfffd;	915	c = 0xfffd;
874	# endif	916	# endif
875	#endif	917	#endif
876		918
		919	rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
		920
		921	// if the character doesn't fit into the remaining columns...
		922	if (ecb_unlikely (screen.cur.col > ncol - width && ncol >= width))
		923	{
		924	if (screen.flags & Screen_Autowrap)
		925	{
		926	// ... artificially enlargen the previous one
		927	c = NOCHAR;
		928	// and try the same character next loop iteration
		929	--str;
		930	}
		931	else
		932	screen.cur.col = ncol - width;
		933	}
		934
877	// nuke the character at this position, if required	935	// nuke the character at this position, if required
		936	// due to wonderful coincidences everywhere else in this loop
		937	// we never have to check for overwriting a wide char itself,
		938	// only its tail.
878	if (line->t[screen.cur.col] == NOCHAR	939	if (ecb_unlikely (line->t[screen.cur.col] == NOCHAR))
879	|| (screen.cur.col < ncol - 1	940	scr_kill_char (*line, screen.cur.col);
880	&& line->t[screen.cur.col + 1] == NOCHAR))
881	{
882	int col = screen.cur.col;
883
884	// find begin
885	while (col > 0 && line->t[col] == NOCHAR)
886	col--;
887
888	rend_t rend = SET_FONT (line->r[col], FONTSET (line->r[col])->find_font (' '));
889
890	// found begin, nuke
891	do {
892	line->t[col] = ' ';
893	line->r[col] = rend;
894	col++;
895	} while (col < ncol && line->t[col] == NOCHAR);
896	}
897
898	rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
899
900	// if the character doesn't fit into the remaining columns...
901	if (screen.cur.col > ncol - width && ncol >= width)
902	{
903	// ...output spaces
904	c = ' ';
905	// and try the same character next loop iteration
906	--str;
907	}
908		941
909	line->touch ();	942	line->touch ();
910		943
911	do	944	do
912	{	945	{
913	line->t[screen.cur.col] = c;	946	line->t[screen.cur.col] = c;
914	line->r[screen.cur.col] = rend;	947	line->r[screen.cur.col] = rend;
915		948
916	if (screen.cur.col < ncol - 1)	949	if (ecb_likely (screen.cur.col < ncol - 1))
917	screen.cur.col++;	950	screen.cur.col++;
918	else	951	else
919	{	952	{
920	line->l = ncol;	953	line->l = ncol;
921	if (screen.flags & Screen_Autowrap)	954	if (screen.flags & Screen_Autowrap)
922	screen.flags |= Screen_WrapNext;	955	screen.flags |= Screen_WrapNext;
923	break;	956
		957	goto end_of_line;
924	}	958	}
925		959
926	c = NOCHAR;	960	c = NOCHAR;
927	}	961	}
928	while (--width > 0);	962	while (ecb_unlikely (--width > 0));
929		963
930	// pad with spaces when overwriting wide character with smaller one	964	// pad with spaces when overwriting wide character with smaller one
931	if (!width)	965	for (int c = screen.cur.col; ecb_unlikely (c < ncol && line->t[c] == NOCHAR); c++)
932	{	966	{
933	line->touch ();	967	line->t[c] = ' ';
		968	line->r[c] = rend;
		969	}
934		970
935	for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)	971	end_of_line:
		972	;
		973	}
		974	#if ENABLE_COMBINING
		975	else // width == 0
		976	{
		977	if (c != 0xfeff) // ignore BOM
		978	{
		979	// handle combining characters
		980	// we just tag the accent on the previous on-screen character.
		981	// this is arguably not correct, but also arguably not wrong.
		982	// we don't handle double-width characters nicely yet.
		983	line_t *linep;
		984	text_t *tp;
		985	rend_t *rp;
		986
		987	if (screen.cur.col > 0)
936	{	988	{
937	line->t[c] = ' ';
938	line->r[c] = rend;	989	linep = line;
		990	tp = line->t + screen.cur.col - 1;
		991	rp = line->r + screen.cur.col - 1;
939	}	992	}
		993	else if (screen.cur.row > 0
		994	&& ROW(screen.cur.row - 1).is_longer ())
		995	{
		996	linep = &ROW(screen.cur.row - 1);
		997	tp = line->t + ncol - 1;
		998	rp = line->r + ncol - 1;
		999	}
		1000	else
		1001	continue;
		1002
		1003	linep->touch ();
		1004
		1005	while (*tp == NOCHAR && tp > linep->t)
		1006	tp--, rp--;
		1007
		1008	// first try to find a precomposed character
		1009	unicode_t n = rxvt_compose (*tp, c);
		1010	if (n == NOCHAR)
		1011	n = rxvt_composite.compose (*tp, c);
		1012
		1013	*tp = n;
		1014	*rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
940	}	1015	}
941	}	1016	}
942	else // width == 0
943	{
944	#if ENABLE_COMBINING
945	// handle combining characters
946	// we just tag the accent on the previous on-screen character.
947	// this is arguably not correct, but also arguably not wrong.
948	// we don't handle double-width characters nicely yet.
949	line_t *linep;
950	text_t *tp;
951	rend_t *rp;
952
953	if (screen.cur.col > 0)
954	{
955	linep = line;
956	tp = line->t + screen.cur.col - 1;
957	rp = line->r + screen.cur.col - 1;
958	}
959	else if (screen.cur.row > 0
960	&& ROW(screen.cur.row - 1).is_longer ())
961	{
962	linep = &ROW(screen.cur.row - 1);
963	tp = line->t + ncol - 1;
964	rp = line->r + ncol - 1;
965	}
966	else
967	continue;
968
969	linep->touch ();
970
971	while (*tp == NOCHAR && tp > linep->t)
972	tp--, rp--;
973
974	// first try to find a precomposed character
975	unicode_t n = rxvt_compose (*tp, c);
976	if (n == NOCHAR)
977	n = rxvt_composite.compose (*tp, c);
978
979	*tp = n;
980	*rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
981	#endif	1017	#endif
982	}
983	}	1018	}
984		1019
985	max_it (line->l, screen.cur.col);	1020	max_it (line->l, screen.cur.col);
986		1021
987	#ifdef DEBUG_STRICT
988	assert (screen.cur.row >= 0);	1022	assert (screen.cur.row >= 0);
989	#endif
990	}	1023	}
991		1024
992	/* ------------------------------------------------------------------------- */	1025	/* ------------------------------------------------------------------------- */
993	/*	1026	/*
994	* Process Backspace. Move back the cursor back a position, wrap if have to	1027	* Process Backspace. Move back the cursor back a position, wrap if have to
…		…
1007		1040
1008	want_refresh = 1;	1041	want_refresh = 1;
1009	#endif	1042	#endif
1010	}	1043	}
1011	}	1044	}
		1045	else if (screen.flags & Screen_WrapNext)
		1046	screen.flags &= ~Screen_WrapNext;
1012	else	1047	else
1013	scr_gotorc (0, -1, RELATIVE);	1048	scr_gotorc (0, -1, RELATIVE);
1014	}	1049	}
1015		1050
1016	/* ------------------------------------------------------------------------- */	1051	/* ------------------------------------------------------------------------- */
…		…
1322	if (row >= nrow) /* Out Of Bounds */	1357	if (row >= nrow) /* Out Of Bounds */
1323	return;	1358	return;
1324		1359
1325	min_it (num, nrow - row);	1360	min_it (num, nrow - row);
1326		1361
1327	/*TODO: the xlceararea/xfillrectangle below don't take scroll offste into account, ask mikachu for details */
1328	if (rstyle & (RS_RVid | RS_Uline))	1362	if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1329	ren = (rend_t) ~RS_None;	1363	ren = (rend_t) ~RS_None;
1330	else if (GET_BASEBG (rstyle) == Color_bg)	1364	else if (GET_BASEBG (rstyle) == Color_bg)
1331	{	1365	{
1332	ren = DEFAULT_RSTYLE;	1366	ren = DEFAULT_RSTYLE;
1333		1367
1334	if (mapped)	1368	if (mapped)
1335	XClearArea (dpy, vt, 0,	1369	XClearArea (dpy, vt, 0,
1336	Row2Pixel (row), (unsigned int)width,	1370	Row2Pixel (row - view_start), (unsigned int)width,
1337	(unsigned int)Height2Pixel (num), False);	1371	(unsigned int)Height2Pixel (num), False);
1338	}	1372	}
1339	else	1373	else
1340	{	1374	{
1341	ren = rstyle & (RS_fgMask | RS_bgMask);	1375	ren = rstyle & (RS_fgMask | RS_bgMask);
1342		1376
		1377	if (mapped)
		1378	{
1343	gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];	1379	gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1344	XChangeGC (dpy, gc, GCForeground, &gcvalue);	1380	XChangeGC (dpy, gc, GCForeground, &gcvalue);
1345	XFillRectangle (dpy, vt, gc,	1381	XFillRectangle (dpy, vt, gc,
1346	0, Row2Pixel (row),	1382	0, Row2Pixel (row - view_start),
1347	(unsigned int)width,	1383	(unsigned int)width,
1348	(unsigned int)Height2Pixel (num));	1384	(unsigned int)Height2Pixel (num));
1349	gcvalue.foreground = pix_colors[Color_fg];	1385	gcvalue.foreground = pix_colors[Color_fg];
1350	XChangeGC (dpy, gc, GCForeground, &gcvalue);	1386	XChangeGC (dpy, gc, GCForeground, &gcvalue);
		1387	}
1351	}	1388	}
1352		1389
1353	for (; num--; row++)	1390	for (; num--; row++)
1354	{	1391	{
1355	scr_blank_screen_mem (ROW(row), rstyle);	1392	scr_blank_screen_mem (ROW(row), rstyle);
		1393
		1394	if (row - view_start < nrow)
1356	scr_blank_line (drawn_buf [row], 0, ncol, ren);	1395	scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1357	}	1396	}
1358	}	1397	}
1359		1398
1360	#if !ENABLE_MINIMAL	1399	#if !ENABLE_MINIMAL
1361	void	1400	void
…		…
1435	* Insert/Delete <count> characters from the current position	1474	* Insert/Delete <count> characters from the current position
1436	*/	1475	*/
1437	void	1476	void
1438	rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW	1477	rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1439	{	1478	{
1440	int col, row;
1441	rend_t tr;
1442
1443	want_refresh = 1;	1479	want_refresh = 1;
1444	ZERO_SCROLLBACK ();	1480	ZERO_SCROLLBACK ();
1445		1481
1446	if (count <= 0)	1482	if (count <= 0)
1447	return;	1483	return;
…		…
1449	scr_do_wrap ();	1485	scr_do_wrap ();
1450		1486
1451	selection_check (1);	1487	selection_check (1);
1452	min_it (count, ncol - screen.cur.col);	1488	min_it (count, ncol - screen.cur.col);
1453		1489
1454	row = screen.cur.row;	1490	int row = screen.cur.row;
1455		1491
1456	line_t *line = &ROW(row);	1492	line_t *line = &ROW(row);
1457		1493
1458	line->touch ();	1494	line->touch ();
1459	line->is_longer (0);	1495	line->is_longer (0);
1460		1496
		1497	// nuke wide spanning the start
		1498	if (line->t[screen.cur.col] == NOCHAR)
		1499	scr_kill_char (*line, screen.cur.col);
		1500
1461	switch (insdel)	1501	switch (insdel)
1462	{	1502	{
1463	case INSERT:	1503	case INSERT:
1464	for (col = ncol - 1; (col - count) >= screen.cur.col; col--)	1504	line->l = min (line->l + count, ncol);
		1505
		1506	if (line->t[screen.cur.col] == NOCHAR)
		1507	scr_kill_char (*line, screen.cur.col);
		1508
		1509	for (int col = ncol - 1; (col - count) >= screen.cur.col; col--)
1465	{	1510	{
1466	line->t[col] = line->t[col - count];	1511	line->t[col] = line->t[col - count];
1467	line->r[col] = line->r[col - count];	1512	line->r[col] = line->r[col - count];
1468	}	1513	}
1469
1470	line->l = min (line->l + count, ncol);
1471		1514
1472	if (selection.op && current_screen == selection.screen	1515	if (selection.op && current_screen == selection.screen
1473	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))	1516	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1474	{	1517	{
1475	if (selection.end.row != screen.cur.row	1518	if (selection.end.row != screen.cur.row
…		…
1490	case ERASE:	1533	case ERASE:
1491	screen.cur.col += count; /* don't worry if > ncol */	1534	screen.cur.col += count; /* don't worry if > ncol */
1492	selection_check (1);	1535	selection_check (1);
1493	screen.cur.col -= count;	1536	screen.cur.col -= count;
1494		1537
1495	line->l = max (line->l - count, 0);	1538	// nuke wide char after the end
		1539	if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
		1540	scr_kill_char (*line, screen.cur.col + count);
		1541
1496	scr_blank_line (*line, screen.cur.col, count, rstyle);	1542	scr_blank_line (*line, screen.cur.col, count, rstyle);
1497	break;	1543	break;
1498		1544
1499	case DELETE:	1545	case DELETE:
1500	tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask);	1546	line->l = max (line->l - count, 0);
1501		1547
		1548	// nuke wide char spanning the end
		1549	if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
		1550	scr_kill_char (*line, screen.cur.col + count);
		1551
1502	for (col = screen.cur.col; (col + count) < ncol; col++)	1552	for (int col = screen.cur.col; (col + count) < ncol; col++)
1503	{	1553	{
1504	line->t[col] = line->t[col + count];	1554	line->t[col] = line->t[col + count];
1505	line->r[col] = line->r[col + count];	1555	line->r[col] = line->r[col + count];
1506	}	1556	}
1507		1557
1508	line->l = max (line->l - count, 0);
1509	scr_blank_line (*line, ncol - count, count, tr);	1558	scr_blank_line (*line, ncol - count, count, rstyle);
1510		1559
1511	if (selection.op && current_screen == selection.screen	1560	if (selection.op && current_screen == selection.screen
1512	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))	1561	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1513	{	1562	{
1514	if (selection.end.row != screen.cur.row	1563	if (selection.end.row != screen.cur.row
…		…
1650	{	1699	{
1651	rvideo_state = on;	1700	rvideo_state = on;
1652		1701
1653	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);	1702	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1654	#ifdef HAVE_BG_PIXMAP	1703	#ifdef HAVE_BG_PIXMAP
1655	if (bgPixmap.pixmap == None)	1704	if (bg_pixmap == None)
1656	#endif	1705	#endif
1657	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);	1706	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1658		1707
1659	XGCValues gcvalue;	1708	XGCValues gcvalue;
1660	gcvalue.foreground = pix_colors[Color_fg];	1709	gcvalue.foreground = pix_colors[Color_fg];
…		…
1804	for (i = PART_BEG; i < RC_COUNT; i++)	1853	for (i = PART_BEG; i < RC_COUNT; i++)
1805	{	1854	{
1806	min_it (rc[i].col, ncol - 1);	1855	min_it (rc[i].col, ncol - 1);
1807	min_it (rc[i].row, nrow - 1);	1856	min_it (rc[i].row, nrow - 1);
1808	}	1857	}
1809	// TODO: this line somehow causes segfault if scr_expose() is called just after resize	1858
1810	for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)	1859	for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1811	fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);	1860	fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1812		1861
1813	num_scr_allow = 0;	1862	num_scr_allow = 0;
1814		1863
…		…
1887		1936
1888	# ifndef NO_MAPALERT	1937	# ifndef NO_MAPALERT
1889	# ifdef MAPALERT_OPTION	1938	# ifdef MAPALERT_OPTION
1890	if (option (Opt_mapAlert))	1939	if (option (Opt_mapAlert))
1891	# endif	1940	# endif
1892	XMapWindow (dpy, parent[0]);	1941	XMapWindow (dpy, parent);
1893	# endif	1942	# endif
1894		1943
1895	# if ENABLE_FRILLS	1944	# if ENABLE_FRILLS
1896	if (option (Opt_urgentOnBell))	1945	if (option (Opt_urgentOnBell))
1897	{	1946	set_urgency (1);
1898	if (XWMHints *h = XGetWMHints(dpy, parent[0]))
1899	{
1900	h->flags |= XUrgencyHint;
1901	XSetWMHints (dpy, parent[0], h);
1902	}
1903	}
1904	# endif	1947	# endif
1905		1948
1906	if (option (Opt_visualBell))	1949	if (option (Opt_visualBell))
1907	{	1950	{
1908	rvideo_bell = true;	1951	rvideo_bell = true;
…		…
1911		1954
1912	bell_ev.start (VISUAL_BELL_DURATION);	1955	bell_ev.start (VISUAL_BELL_DURATION);
1913	}	1956	}
1914	else	1957	else
1915	XBell (dpy, 0);	1958	XBell (dpy, 0);
		1959	HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1916	#endif	1960	#endif
1917	}	1961	}
1918		1962
1919	/* ------------------------------------------------------------------------- */	1963	/* ------------------------------------------------------------------------- */
1920	/* ARGSUSED */
1921	void	1964	void
1922	rxvt_term::scr_printscreen (int fullhist) NOTHROW	1965	rxvt_term::scr_printscreen (int fullhist) NOTHROW
1923	{	1966	{
1924	#ifdef PRINTPIPE	1967	#ifdef PRINTPIPE
1925	int nrows, row_start;	1968	int nrows, row_start;
1926	FILE *fd;	1969	FILE *fd = popen_printer ();
1927		1970
1928	if ((fd = popen_printer ()) == NULL)	1971	if (!fd)
1929	return;	1972	return;
1930		1973
1931	if (fullhist)	1974	if (fullhist)
1932	{	1975	{
1933	nrows = nrow - top_row;	1976	nrows = nrow - top_row;
…		…
1939	row_start = view_start;	1982	row_start = view_start;
1940	}	1983	}
1941		1984
1942	wctomb (0, 0);	1985	wctomb (0, 0);
1943		1986
1944	for (int r1 = 0; r1 < nrows; r1++)	1987	for (int r1 = row_start; r1 < row_start + nrows; r1++)
1945	{	1988	{
1946	text_t *tp = ROW(r1).t;	1989	text_t *tp = ROW(r1).t;
1947	int len = ROW(r1).l;	1990	int len = ROW(r1).l;
1948		1991
1949	for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN	1992	for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
…		…
1978	* screen.text/screen.rend contain what the screen will change to.	2021	* screen.text/screen.rend contain what the screen will change to.
1979	*/	2022	*/
1980	void	2023	void
1981	rxvt_term::scr_refresh () NOTHROW	2024	rxvt_term::scr_refresh () NOTHROW
1982	{	2025	{
1983	unsigned char have_bg,
1984	showcursor; /* show the cursor */
1985	int16_t col, row, /* column/row we're processing */	2026	int16_t col, row, /* column/row we're processing */
1986	ocrow; /* old cursor row */	2027	ocrow; /* old cursor row */
1987	int i; /* tmp */	2028	int i; /* tmp */
1988	#ifndef NO_CURSORCOLOR	2029	#ifndef NO_CURSORCOLOR
1989	rend_t cc1; /* store colours at cursor position (s) */	2030	rend_t cc1; /* store colours at cursor position (s) */
…		…
2000	/*	2041	/*
2001	* A: set up vars	2042	* A: set up vars
2002	*/	2043	*/
2003	refresh_count = 0;	2044	refresh_count = 0;
2004		2045
		2046	unsigned int old_screen_flags = screen.flags;
2005	have_bg = 0;	2047	bool have_bg = 0;
2006	#ifdef HAVE_BG_PIXMAP	2048	#ifdef HAVE_BG_PIXMAP
2007	have_bg = bgPixmap.pixmap != None;	2049	have_bg = bg_pixmap != None;
2008	#endif	2050	#endif
2009	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */	2051	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2010		2052
2011	/*	2053	/*
2012	* B: reverse any characters which are selected	2054	* B: reverse any characters which are selected
2013	*/	2055	*/
2014	scr_reverse_selection ();	2056	scr_reverse_selection ();
2015		2057
		2058	HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
		2059	#if ENABLE_OVERLAY
		2060	scr_swap_overlay ();
		2061	#endif
		2062
		2063	bool showcursor = screen.flags & Screen_VisibleCursor;
		2064
2016	/*	2065	/*
2017	* C: set the cursor character (s)	2066	* C: set the cursor character (s)
2018	*/	2067	*/
2019	{	2068	{
2020	unsigned char setoldcursor;	2069	bool setoldcursor;
2021		2070
2022	showcursor = (screen.flags & Screen_VisibleCursor);
2023	#ifdef CURSOR_BLINK	2071	#ifdef CURSOR_BLINK
2024	if (hidden_cursor)	2072	if (hidden_cursor)
2025	showcursor = 0;	2073	showcursor = 0;
2026	#endif	2074	#endif
2027		2075
…		…
2055	ccol2 = bgcolor_of (rstyle);	2103	ccol2 = bgcolor_of (rstyle);
2056	#else	2104	#else
2057	ccol2 = Color_bg;	2105	ccol2 = Color_bg;
2058	#endif	2106	#endif
2059		2107
2060	if (showcursor && focus)	2108	if (focus)
2061	{	2109	{
2062	if (option (Opt_cursorUnderline))	2110	if (option (Opt_cursorUnderline))
2063	*crp ^= RS_Uline;	2111	*crp ^= RS_Uline;
2064	else	2112	else
2065	{	2113	{
…		…
2100	oldcursor.col = screen.cur.col;	2148	oldcursor.col = screen.cur.col;
2101	}	2149	}
2102	}	2150	}
2103	}	2151	}
2104		2152
2105	HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2106	#if ENABLE_OVERLAY
2107	scr_swap_overlay ();
2108	#endif
2109
2110	#ifndef NO_SLOW_LINK_SUPPORT	2153	#ifndef NO_SLOW_LINK_SUPPORT
2111	/*	2154	/*
2112	* D: CopyArea pass - very useful for slower links	2155	* D: CopyArea pass - very useful for slower links
2113	* This has been deliberately kept simple.	2156	* This has been deliberately kept simple.
2114	*/	2157	*/
…		…
2203	continue;	2246	continue;
2204		2247
2205	// redraw one or more characters	2248	// redraw one or more characters
2206		2249
2207	// seek to the beginning of wide characters	2250	// seek to the beginning of wide characters
2208	while (stp[col] == NOCHAR && col > 0)	2251	while (ecb_unlikely (stp[col] == NOCHAR && col > 0))
2209	--col;	2252	--col;
2210		2253
2211	rend_t rend = srp[col]; /* screen rendition (target rendtion) */	2254	rend_t rend = srp[col]; /* screen rendition (target rendition) */
2212	text_t *text = stp + col;	2255	text_t *text = stp + col;
2213	int count = 1;	2256	int count = 1;
2214		2257
2215	dtp[col] = stp[col];	2258	dtp[col] = stp[col];
2216	drp[col] = rend;	2259	drp[col] = rend;
…		…
2220	for (i = 0; ++col < ncol; )	2263	for (i = 0; ++col < ncol; )
2221	{	2264	{
2222	if (stp[col] == NOCHAR)	2265	if (stp[col] == NOCHAR)
2223	{	2266	{
2224	dtp[col] = stp[col];	2267	dtp[col] = stp[col];
2225	drp[col] = rend;	2268	drp[col] = srp[col];
		2269
2226	count++;	2270	count++;
2227	i++;	2271	i++;
2228		2272
2229	continue;	2273	continue;
2230	}	2274	}
…		…
2250		2294
2251	col--; /* went one too far. move back */	2295	col--; /* went one too far. move back */
2252	count -= i; /* dump any matching trailing chars */	2296	count -= i; /* dump any matching trailing chars */
2253		2297
2254	// sometimes we optimize away the trailing NOCHAR's, add them back	2298	// sometimes we optimize away the trailing NOCHAR's, add them back
2255	while (i && text[count] == NOCHAR)	2299	while (ecb_unlikely (i && text[count] == NOCHAR))
2256	count++, i--;	2300	count++, i--;
2257		2301
2258	/*	2302	/*
2259	* Determine the attributes for the string	2303	* Determine the attributes for the string
2260	*/	2304	*/
2261	int fore = fgcolor_of (rend); // desired foreground	2305	int fore = fgcolor_of (rend); // desired foreground
2262	int back = bgcolor_of (rend); // desired background	2306	int back = bgcolor_of (rend); // desired background
2263		2307
2264	// only do special processing if any attributes are set, which is unlikely	2308	// only do special processing if any attributes are set, which is unlikely
2265	if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful))	2309	if (ecb_unlikely (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2266	{	2310	{
2267	bool invert = rend & RS_RVid;	2311	bool invert = rend & RS_RVid;
2268		2312
2269	#ifndef NO_BOLD_UNDERLINE_REVERSE	2313	#ifndef NO_BOLD_UNDERLINE_REVERSE
2270	if (rend & RS_Bold && fore == Color_fg)	2314	if (rend & RS_Bold && fore == Color_fg)
…		…
2289		2333
2290	if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))	2334	if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2291	fore = Color_UL;	2335	fore = Color_UL;
2292	#endif	2336	#endif
2293		2337
		2338	#ifdef OPTION_HC
		2339	if (rend & RS_Sel)
		2340	{
		2341	/* invert the column if no highlightColor is set or it is the
		2342	* current cursor column */
		2343	if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
		2344	&& ISSET_PIXCOLOR (Color_HC))
		2345	{
		2346	if (ISSET_PIXCOLOR (Color_HTC))
		2347	fore = Color_HTC;
		2348	// if invert is 0 reverse video is set so we use bg color as fg color
		2349	else if (!invert)
		2350	fore = back;
		2351
		2352	back = Color_HC;
		2353	invert = 0;
		2354	}
		2355	}
		2356	#endif
		2357
2294	if (invert)	2358	if (invert)
2295	{	2359	{
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);	2360	::swap (fore, back);
2303	#ifdef OPTION_HC
2304	else if (ISSET_PIXCOLOR (Color_HC))
2305	back = Color_HC;
2306	#endif
2307		2361
2308	#ifndef NO_BOLD_UNDERLINE_REVERSE	2362	#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)	2363	if (fore == back)
2314	{	2364	{
2315	fore = Color_bg;	2365	fore = Color_bg;
2316	back = Color_fg;	2366	back = Color_fg;
2317	}	2367	}
…		…
2353	/*	2403	/*
2354	* Actually do the drawing of the string here	2404	* Actually do the drawing of the string here
2355	*/	2405	*/
2356	rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];	2406	rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2357		2407
2358	if (have_bg && back == Color_bg)	2408	if (ecb_likely (have_bg && back == Color_bg))
2359	{	2409	{
2360	// this is very ugly, maybe push it into ->draw?	2410	// this is very ugly, maybe push it into ->draw?
2361		2411
2362	for (i = 0; i < count; i++) /* don't draw empty strings */	2412	for (i = 0; i < count; i++) /* don't draw empty strings */
2363	if (text[i] != ' ')	2413	if (text[i] != ' ')
…		…
2370	did_clear: ;	2420	did_clear: ;
2371	}	2421	}
2372	else	2422	else
2373	font->draw (*drawable, xpixel, ypixel, text, count, fore, back);	2423	font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2374		2424
2375	if (rend & RS_Uline && font->descent > 1 && fore != back)	2425	if (ecb_unlikely (rend & RS_Uline && font->descent > 1 && fore != back))
2376	{	2426	{
2377	#if ENABLE_FRILLS	2427	#if ENABLE_FRILLS
2378	if (ISSET_PIXCOLOR (Color_underline))	2428	if (ISSET_PIXCOLOR (Color_underline))
2379	XSetForeground (dpy, gc, pix_colors[Color_underline]);	2429	XSetForeground (dpy, gc, pix_colors[Color_underline]);
2380	else	2430	else
…		…
2385	xpixel, ypixel + font->ascent + 1,	2435	xpixel, ypixel + font->ascent + 1,
2386	xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);	2436	xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2387	}	2437	}
2388	} /* for (col....) */	2438	} /* for (col....) */
2389	} /* for (row....) */	2439	} /* for (row....) */
2390
2391	#if ENABLE_OVERLAY
2392	scr_swap_overlay ();
2393	#endif
2394	HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2395		2440
2396	/*	2441	/*
2397	* G: cleanup cursor and display outline cursor if necessary	2442	* G: cleanup cursor and display outline cursor if necessary
2398	*/	2443	*/
2399	if (showcursor)	2444	if (showcursor)
…		…
2438	}	2483	}
2439		2484
2440	/*	2485	/*
2441	* H: cleanup selection	2486	* H: cleanup selection
2442	*/	2487	*/
		2488	#if ENABLE_OVERLAY
		2489	scr_swap_overlay ();
		2490	#endif
		2491	HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
		2492
2443	scr_reverse_selection ();	2493	scr_reverse_selection ();
2444		2494
		2495	screen.flags = old_screen_flags;
2445	num_scr = 0;	2496	num_scr = 0;
2446	num_scr_allow = 1;	2497	num_scr_allow = 1;
2447	}	2498	}
2448		2499
2449	void	2500	void
…		…
2470	scr_remap_chars (swap_buf [i]);	2521	scr_remap_chars (swap_buf [i]);
2471	}	2522	}
2472	}	2523	}
2473		2524
2474	void	2525	void
2475	rxvt_term::scr_recolour () NOTHROW	2526	rxvt_term::scr_recolour (bool refresh) NOTHROW
2476	{	2527	{
		2528	bool transparent = false;
		2529
2477	#ifdef HAVE_BG_PIXMAP	2530	#ifdef HAVE_BG_PIXMAP
2478	bgPixmap.apply ();	2531	if (bg_pixmap != None)
2479	#else	2532	{
		2533	# ifdef ENABLE_TRANSPARENCY
		2534	if (bg_flags & BG_IS_TRANSPARENT)
		2535	{
		2536	XSetWindowBackgroundPixmap (dpy, parent, bg_pixmap);
		2537	XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
2480		2538
		2539	transparent = true;
		2540	}
		2541	else
		2542	# endif
		2543	{
		2544	XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
		2545	XSetWindowBackgroundPixmap (dpy, vt, bg_pixmap);
		2546	}
		2547	}
		2548	else
		2549	#endif
		2550	{
2481	XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]);	2551	XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
2482	XClearWindow (dpy, parent[0]);
2483	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);	2552	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
		2553	}
		2554
		2555	XClearWindow (dpy, parent);
2484		2556
2485	if (scrollBar.win)	2557	if (scrollBar.win)
2486	{	2558	{
		2559	if (transparent)
		2560	XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
		2561	else
2487	XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);	2562	XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);
2488	scrollBar.state = STATE_IDLE;	2563	scrollBar.state = SB_STATE_IDLE;
2489	scrollBar.show (0);	2564	scrollBar.show (0);
2490	}	2565	}
2491		2566
2492	#endif	2567	if (refresh)
2493		2568	{
2494	/* bgPixmap.apply () does not do the following : */
2495	scr_clear ();	2569	scr_clear ();
2496	scr_touch (true);	2570	scr_touch (true);
		2571	}
2497	want_refresh = 1;	2572	want_refresh = 1;
2498	}	2573	}
2499		2574
2500	/* ------------------------------------------------------------------------- */	2575	/* ------------------------------------------------------------------------- */
2501	void	2576	void
…		…
2569	{	2644	{
2570	#if !ENABLE_MINIMAL	2645	#if !ENABLE_MINIMAL
2571	if (selection.rect)	2646	if (selection.rect)
2572	scr_xor_rect (selection.beg.row, selection.beg.col,	2647	scr_xor_rect (selection.beg.row, selection.beg.col,
2573	selection.end.row, selection.end.col,	2648	selection.end.row, selection.end.col,
2574	RS_RVid, RS_RVid | RS_Uline);	2649	RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2575	else	2650	else
2576	#endif	2651	#endif
2577	scr_xor_span (selection.beg.row, selection.beg.col,	2652	scr_xor_span (selection.beg.row, selection.beg.col,
2578	selection.end.row, selection.end.col,	2653	selection.end.row, selection.end.col,
2579	RS_RVid);	2654	RS_Sel | RS_RVid);
2580	}	2655	}
2581	}	2656	}
2582		2657
2583	/* ------------------------------------------------------------------------- */	2658	/* ------------------------------------------------------------------------- */
2584	/*	2659	/*
…		…
2589	void	2664	void
2590	rxvt_term::scr_dump (int fd) NOTHROW	2665	rxvt_term::scr_dump (int fd) NOTHROW
2591	{	2666	{
2592	int row, wrote;	2667	int row, wrote;
2593	unsigned int width, towrite;	2668	unsigned int width, towrite;
2594	char r1[] = "\n";	2669	const char r1[] = "\n";
2595		2670
2596	for (row = saveLines + top_row;	2671	for (row = saveLines + top_row;
2597	row < saveLines + nrow - 1; row++)	2672	row < saveLines + nrow - 1; row++)
2598	{	2673	{
2599	width = row_buf[row].l >= 0 ? row_buf[row].l	2674	width = row_buf[row].l >= 0 ? row_buf[row].l
…		…
2616	* CHARACTER SELECTION *	2691	* CHARACTER SELECTION *
2617	* ------------------------------------------------------------------------- */	2692	* ------------------------------------------------------------------------- */
2618	void	2693	void
2619	rxvt_term::selection_check (int check_more) NOTHROW	2694	rxvt_term::selection_check (int check_more) NOTHROW
2620	{	2695	{
2621	row_col_t pos;
2622
2623	if (!selection.op)	2696	if (!selection.op)
2624	return;	2697	return;
2625		2698
		2699	row_col_t pos;
2626	pos.row = pos.col = 0;	2700	pos.row = pos.col = 0;
		2701
2627	if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)	2702	if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2628	|| !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2629	|| !IN_RANGE_EXC (selection.end.row, top_row, nrow)	2703	|| !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2630	|| (check_more == 1	2704	|| (check_more == 1
2631	&& current_screen == selection.screen	2705	&& current_screen == selection.screen
2632	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)	2706	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2633	&& ROWCOL_IS_BEFORE (screen.cur, selection.end))	2707	&& ROWCOL_IS_BEFORE (screen.cur, selection.end))
2634	|| (check_more == 2	2708	|| (check_more == 2
2635	&& ROWCOL_IS_BEFORE (selection.beg, pos)	2709	&& ROWCOL_IS_BEFORE (selection.beg, pos)
2636	&& ROWCOL_IS_AFTER (selection.end, pos))	2710	&& ROWCOL_IS_AFTER (selection.end, pos))
2637	|| (check_more == 3	2711	|| (check_more == 3
2638	&& ROWCOL_IS_AFTER (selection.end, pos))	2712	&& ROWCOL_IS_AFTER (selection.end, pos)))
2639	|| (check_more == 4 /* screen width change */
2640	&& (selection.beg.row != selection.end.row
2641	|| selection.end.col > ncol)))
2642	CLEAR_SELECTION ();	2713	CLEAR_SELECTION ();
		2714
		2715	if (!IN_RANGE_EXC (selection.mark.row, top_row, nrow))
		2716	CLEAR_SELECTION_MARK ();
2643	}	2717	}
2644		2718
2645	/* ------------------------------------------------------------------------- */	2719	/* ------------------------------------------------------------------------- */
2646	/*	2720	/*
2647	* Paste a selection direct to the command fd	2721	* Paste a selection direct to the command fd
2648	*/	2722	*/
2649	void	2723	void
2650	rxvt_term::paste (char *data, unsigned int len) NOTHROW	2724	rxvt_term::tt_paste (char *data, unsigned int len) NOTHROW
2651	{	2725	{
2652	/* convert normal newline chars into common keyboard Return key sequence */	2726	/* convert normal newline chars into common keyboard Return key sequence */
2653	for (unsigned int i = 0; i < len; i++)	2727	for (unsigned int i = 0; i < len; i++)
2654	if (data[i] == C0_LF)	2728	if (data[i] == C0_LF)
2655	data[i] = C0_CR;	2729	data[i] = C0_CR;
…		…
2661		2735
2662	if (priv_modes & PrivMode_BracketPaste)	2736	if (priv_modes & PrivMode_BracketPaste)
2663	tt_printf ("\e[201~");	2737	tt_printf ("\e[201~");
2664	}	2738	}
2665		2739
2666	/* ------------------------------------------------------------------------- */
2667	/*
2668	* Respond to a notification that a primary selection has been sent
2669	* EXT: SelectionNotify
2670	*/
2671	void	2740	void
2672	rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW	2741	rxvt_term::paste (char *data, unsigned int len) NOTHROW
2673	{	2742	{
2674	if (prop == None) /* check for failed XConvertSelection */	2743	if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
2675	{
2676	if ((selection_type & Sel_CompoundText))
2677	{
2678	int selnum = selection_type & Sel_whereMask;
2679
2680	selection_type = 0;
2681	if (selnum != Sel_direct)
2682	selection_request_other (XA_STRING, selnum);
2683	}
2684
2685	if ((selection_type & Sel_UTF8String))
2686	{
2687	int selnum = selection_type & Sel_whereMask;
2688
2689	selection_type = Sel_CompoundText;
2690	if (selnum != Sel_direct)
2691	selection_request_other (xa[XA_COMPOUND_TEXT], selnum);
2692	else
2693	selection_type = 0;
2694	}
2695
2696	return;
2697	}
2698
2699	unsigned long bytes_after;
2700	XTextProperty ct;
2701
2702	if (XGetWindowProperty (dpy, win, prop,
2703	0, PROP_SIZE / 4,
2704	delete_prop, AnyPropertyType,
2705	&ct.encoding, &ct.format,
2706	&ct.nitems, &bytes_after,
2707	&ct.value) != Success)
2708	{
2709	ct.value = 0;
2710	goto bailout;
2711	}
2712
2713	if (ct.encoding == None)
2714	goto bailout;
2715
2716	if (bytes_after)
2717	{
2718	// fetch and append remaining data
2719	XTextProperty ct2;
2720
2721	if (XGetWindowProperty (dpy, win, prop,
2722	ct.nitems / 4, (bytes_after + 3) / 4,
2723	delete_prop, AnyPropertyType,
2724	&ct2.encoding, &ct2.format,
2725	&ct2.nitems, &bytes_after,
2726	&ct2.value) != Success)
2727	goto bailout;
2728
2729	// realloc should be compatible to XFree, here, and elsewhere, too
2730	ct.value = (unsigned char *)realloc (ct.value, ct.nitems + ct2.nitems + 1);
2731	memcpy (ct.value + ct.nitems, ct2.value, ct2.nitems + 1);
2732	ct.nitems += ct2.nitems;
2733
2734	XFree (ct2.value);
2735	}
2736
2737	if (ct.value == 0)
2738	goto bailout;
2739
2740	if (ct.encoding == xa[XA_INCR])
2741	{
2742	// INCR selection, start handshake
2743	if (!delete_prop)
2744	XDeleteProperty (dpy, win, prop);
2745
2746	selection_wait = Sel_incr;
2747	incr_buf_fill = 0;
2748	incr_ev.start (10);
2749
2750	goto bailout;
2751	}
2752
2753	if (ct.nitems == 0)
2754	{
2755	if (selection_wait == Sel_incr)
2756	{
2757	XFree (ct.value);
2758
2759	// finally complete, now paste the whole thing
2760	selection_wait = Sel_normal;
2761	ct.value = (unsigned char *)incr_buf;
2762	ct.nitems = incr_buf_fill;
2763	incr_buf = 0;
2764	incr_buf_size = 0;
2765	incr_ev.stop ();
2766	}
2767	else
2768	{
2769	if (selection_wait == Sel_normal
2770	&& (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2771	{
2772	/*
2773	* pass through again trying CUT_BUFFER0 if we've come from
2774	* XConvertSelection () but nothing was presented
2775	*/
2776	selection_paste (display->root, XA_CUT_BUFFER0, False);
2777	}
2778
2779	goto bailout;
2780	}
2781	}
2782	else if (selection_wait == Sel_incr)
2783	{
2784	incr_ev.start (10);
2785
2786	while (incr_buf_fill + ct.nitems > incr_buf_size)
2787	{
2788	incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
2789	incr_buf = (char *)realloc (incr_buf, incr_buf_size);
2790	}
2791
2792	memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
2793	incr_buf_fill += ct.nitems;
2794
2795	goto bailout;
2796	}
2797
2798	char **cl;
2799	int cr;
2800
2801	#if !ENABLE_MINIMAL
2802	// xlib is horribly broken with respect to UTF8_STRING, and nobody cares to fix it
2803	// so recode it manually
2804	if (ct.encoding == xa[XA_UTF8_STRING])
2805	{
2806	wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2807	char *s = rxvt_wcstombs (w);
2808	free (w);
2809	// TODO: strlen == only the first element will be converted. well...
2810	paste (s, strlen (s));
2811	free (s);
2812	}
2813	else
2814	#endif
2815	if (XmbTextPropertyToTextList (dpy, &ct, &cl, &cr) >= 0
2816	&& cl)
2817	{
2818	for (int i = 0; i < cr; i++)
2819	paste (cl[i], strlen (cl[i]));
2820
2821	XFreeStringList (cl);
2822	}
2823	else
2824	paste ((char *)ct.value, ct.nitems); // paste raw
2825
2826	bailout:
2827	XFree (ct.value);
2828
2829	if (selection_wait == Sel_normal)
2830	selection_wait = Sel_none;
2831	}
2832
2833	void
2834	rxvt_term::incr_cb (ev::timer &w, int revents) NOTHROW
2835	{
2836	selection_wait = Sel_none;
2837
2838	incr_buf_size = 0;
2839	free (incr_buf);
2840
2841	rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2842	}
2843
2844	void
2845	rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2846	{
2847	if (prop == None || selection_wait != Sel_incr)
2848	return;	2744	return;
2849		2745
2850	selection_paste (win, prop, true);	2746	tt_paste (data, len);
2851	}	2747	}
2852		2748
2853	/* ------------------------------------------------------------------------- */	2749	/* ------------------------------------------------------------------------- */
2854	/*	2750	/*
2855	* Request the current selection:	2751	* Request PRIMARY, SECONDARY or CLIPBOARD selection.
2856	* Order: > internal selection if available	2752	* if the requested selection has no owner or is empty CUT_BUFFER0 is used
2857	* > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+)	2753	* as fallback
2858	* > CUT_BUFFER0
2859	* (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2860	* will auto fallback to CUT_BUFFER0
2861	* EXT: button 2 release	2754	* EXT: button 2 release
2862	*/	2755	*/
2863	void	2756	void
2864	rxvt_term::selection_request (Time tm, int selnum) NOTHROW	2757	rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2865	{	2758	{
2866	if (selection.text && selnum == Sel_Primary)	2759	if (!selection_req)
2867	{
2868	/* internal selection */
2869	char *str = rxvt_wcstombs (selection.text, selection.len);
2870	paste (str, strlen (str));
2871	free (str);
2872	return;
2873	}	2760	{
2874	else	2761	selection_req = new rxvt_selection (display, selnum, tm, vt, xa[XA_VT_SELECTION], this);
		2762	selection_req->run ();
2875	{	2763	}
2876	selection_request_time = tm;
2877	selection_wait = Sel_normal;
2878
2879	#if X_HAVE_UTF8_STRING
2880	selection_type = Sel_UTF8String;
2881	if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2882	return;
2883	#else
2884	selection_type = Sel_CompoundText;
2885	if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2886	return;
2887	#endif
2888	}
2889
2890	selection_wait = Sel_none; /* don't loop in selection_paste () */
2891	selection_paste (display->root, XA_CUT_BUFFER0, false);
2892	}
2893
2894	int
2895	rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2896	{
2897	Atom sel;
2898
2899	selection_type |= selnum;
2900
2901	if (selnum == Sel_Primary)
2902	sel = XA_PRIMARY;
2903	else if (selnum == Sel_Secondary)
2904	sel = XA_SECONDARY;
2905	else
2906	sel = xa[XA_CLIPBOARD];
2907
2908	if (XGetSelectionOwner (dpy, sel) != None)
2909	{
2910	XConvertSelection (dpy, sel, target, xa[XA_VT_SELECTION],
2911	vt, selection_request_time);
2912	return 1;
2913	}
2914
2915	return 0;
2916	}	2764	}
2917		2765
2918	/* ------------------------------------------------------------------------- */	2766	/* ------------------------------------------------------------------------- */
2919	/*	2767	/*
2920	* Clear all selected text	2768	* Clear all selected text
2921	* EXT: SelectionClear	2769	* EXT: SelectionClear
2922	*/	2770	*/
2923	void	2771	void
2924	rxvt_term::selection_clear () NOTHROW	2772	rxvt_term::selection_clear (bool clipboard) NOTHROW
2925	{	2773	{
		2774	if (!clipboard)
		2775	{
2926	want_refresh = 1;	2776	want_refresh = 1;
2927	free (selection.text);	2777	free (selection.text);
2928	selection.text = NULL;	2778	selection.text = NULL;
2929	selection.len = 0;	2779	selection.len = 0;
2930	CLEAR_SELECTION ();	2780	CLEAR_SELECTION ();
2931		2781
2932	if (display->selection_owner == this)	2782	if (display->selection_owner == this)
2933	display->selection_owner = 0;	2783	display->selection_owner = 0;
		2784	}
		2785	else
		2786	{
		2787	free (selection.clip_text);
		2788	selection.clip_text = NULL;
		2789	selection.clip_len = 0;
		2790
		2791	if (display->clipboard_owner == this)
		2792	display->clipboard_owner = 0;
		2793	}
2934	}	2794	}
2935		2795
2936	/* ------------------------------------------------------------------------- */	2796	/* ------------------------------------------------------------------------- */
2937	/*	2797	/*
2938	* Copy a selection into the cut buffer	2798	* Copy a selection into the cut buffer
2939	* EXT: button 1 or 3 release	2799	* EXT: button 1 or 3 release
2940	*/	2800	*/
2941	void	2801	void
2942	rxvt_term::selection_make (Time tm)	2802	rxvt_term::selection_make (Time tm)
2943	{	2803	{
2944	int i;	2804	int size;
2945	wchar_t *new_selection_text;	2805	wchar_t *new_selection_text;
2946	text_t *t;	2806	text_t *t;
2947		2807
2948	switch (selection.op)	2808	switch (selection.op)
2949	{	2809	{
…		…
2965	return; /* nothing selected, go away */	2825	return; /* nothing selected, go away */
2966		2826
2967	if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))	2827	if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2968	return;	2828	return;
2969		2829
2970	i = (selection.end.row - selection.beg.row + 1) * (ncol + 1);	2830	size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2971	new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));	2831	new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2972		2832
2973	int ofs = 0;	2833	int ofs = 0;
2974	int extra = 0;	2834	int extra = 0;
2975		2835
2976	int col = selection.beg.col;	2836	int col = selection.beg.col;
…		…
2982	{	2842	{
2983	#if !ENABLE_MINIMAL	2843	#if !ENABLE_MINIMAL
2984	if (selection.rect)	2844	if (selection.rect)
2985	{	2845	{
2986	col = selection.beg.col;	2846	col = selection.beg.col;
2987	end_col = ncol + 1;	2847	end_col = selection.end.col;
2988	}	2848	}
2989	else	2849	else
2990	#endif	2850	#endif
2991	end_col = ROW(row).l;	2851	end_col = ROW(row).l;
2992		2852
2993	col = max (col, 0);	2853	col = max (col, 0);
2994		2854
2995	if (row == selection.end.row	2855	if (row == selection.end.row)
2996	#if !ENABLE_MINIMAL
2997	|| selection.rect
2998	#endif
2999	)
3000	min_it (end_col, selection.end.col);	2856	min_it (end_col, selection.end.col);
3001		2857
3002	t = ROW(row).t + col;	2858	t = ROW(row).t + col;
3003		2859
3004	for (; col < end_col; col++)	2860	for (; col < end_col; col++)
…		…
3012		2868
3013	extra -= (len - 1);	2869	extra -= (len - 1);
3014		2870
3015	if (extra < 0)	2871	if (extra < 0)
3016	{	2872	{
3017	extra += i;	2873	extra += size;
3018	i += i;	2874	size += size;
3019	new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t));	2875	new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
3020	}	2876	}
3021		2877
3022	ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);	2878	ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
3023	}	2879	}
3024	#endif	2880	#endif
…		…
3036		2892
3037	new_selection_text[ofs++] = C0_LF;	2893	new_selection_text[ofs++] = C0_LF;
3038	}	2894	}
3039	else	2895	else
3040	#endif	2896	#endif
3041	if (!ROW(row).is_longer () && row != selection.end.row)	2897	if (!ROW(row).is_longer ()
		2898	&& (row != selection.end.row || end_col != selection.end.col)
		2899	&& (row != selection.beg.row || selection.beg.col < ncol))
3042	new_selection_text[ofs++] = C0_LF;	2900	new_selection_text[ofs++] = C0_LF;
3043	}	2901	}
3044
3045	if (end_col != selection.end.col)
3046	new_selection_text[ofs++] = C0_LF;
3047		2902
3048	new_selection_text[ofs] = 0;	2903	new_selection_text[ofs] = 0;
3049		2904
3050	if (ofs == 0)	2905	if (ofs == 0)
3051	{	2906	{
…		…
3064		2919
3065	selection_grab (tm);	2920	selection_grab (tm);
3066	}	2921	}
3067		2922
3068	bool	2923	bool
3069	rxvt_term::selection_grab (Time tm) NOTHROW	2924	rxvt_term::selection_grab (Time tm, bool clipboard) NOTHROW
3070	{	2925	{
		2926	Atom sel;
		2927
		2928	if (!clipboard)
		2929	{
3071	selection_time = tm;	2930	selection_time = tm;
		2931	sel = XA_PRIMARY;
		2932	}
		2933	else
		2934	{
		2935	clipboard_time = tm;
		2936	sel = xa[XA_CLIPBOARD];
		2937	}
3072		2938
3073	XSetSelectionOwner (dpy, XA_PRIMARY, vt, tm);	2939	XSetSelectionOwner (dpy, sel, vt, tm);
3074	if (XGetSelectionOwner (dpy, XA_PRIMARY) == vt)	2940	if (XGetSelectionOwner (dpy, sel) == vt)
3075	{	2941	{
3076	display->set_selection_owner (this);	2942	display->set_selection_owner (this, clipboard);
3077	return true;	2943	return true;
3078	}	2944	}
3079	else	2945	else
3080	{	2946	{
3081	selection_clear ();	2947	selection_clear (clipboard);
3082	return false;	2948	return false;
3083	}	2949	}
3084		2950
3085	#if 0	2951	#if 0
3086	XTextProperty ct;	2952	XTextProperty ct;
…		…
3546	* EXT: SelectionRequest	3412	* EXT: SelectionRequest
3547	*/	3413	*/
3548	void	3414	void
3549	rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW	3415	rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3550	{	3416	{
		3417	Atom property = rq.property == None ? rq.target : rq.property;
3551	XSelectionEvent ev;	3418	XSelectionEvent ev;
3552		3419
3553	ev.type = SelectionNotify;	3420	ev.type = SelectionNotify;
3554	ev.property = None;	3421	ev.property = None;
3555	ev.display = rq.display;	3422	ev.display = rq.display;
…		…
3570	*target++ = xa[XA_COMPOUND_TEXT];	3437	*target++ = xa[XA_COMPOUND_TEXT];
3571	#if X_HAVE_UTF8_STRING	3438	#if X_HAVE_UTF8_STRING
3572	*target++ = xa[XA_UTF8_STRING];	3439	*target++ = xa[XA_UTF8_STRING];
3573	#endif	3440	#endif
3574		3441
3575	XChangeProperty (dpy, rq.requestor, rq.property, XA_ATOM,	3442	XChangeProperty (dpy, rq.requestor, property, XA_ATOM,
3576	32, PropModeReplace,	3443	32, PropModeReplace,
3577	(unsigned char *)target_list, target - target_list);	3444	(unsigned char *)target_list, target - target_list);
3578	ev.property = rq.property;	3445	ev.property = property;
3579	}	3446	}
3580	#if TODO // TODO	3447	#if TODO // TODO
3581	else if (rq.target == xa[XA_MULTIPLE])	3448	else if (rq.target == xa[XA_MULTIPLE])
3582	{	3449	{
3583	/* TODO: Handle MULTIPLE */	3450	/* TODO: Handle MULTIPLE */
3584	}	3451	}
3585	#endif	3452	#endif
3586	else if (rq.target == xa[XA_TIMESTAMP] && selection.text)	3453	else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3587	{	3454	{
3588	XChangeProperty (dpy, rq.requestor, rq.property, rq.target,	3455	XChangeProperty (dpy, rq.requestor, property, rq.target,
3589	32, PropModeReplace, (unsigned char *)&selection_time, 1);	3456	32, PropModeReplace, (unsigned char *)&selection_time, 1);
3590	ev.property = rq.property;	3457	ev.property = property;
		3458	}
		3459	else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
		3460	{
		3461	XChangeProperty (dpy, rq.requestor, property, rq.target,
		3462	32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
		3463	ev.property = property;
3591	}	3464	}
3592	else if (rq.target == XA_STRING	3465	else if (rq.target == XA_STRING
3593	|| rq.target == xa[XA_TEXT]	3466	|| rq.target == xa[XA_TEXT]
3594	|| rq.target == xa[XA_COMPOUND_TEXT]	3467	|| rq.target == xa[XA_COMPOUND_TEXT]
3595	|| rq.target == xa[XA_UTF8_STRING]	3468	|| rq.target == xa[XA_UTF8_STRING]
…		…
3627	{	3500	{
3628	target = xa[XA_COMPOUND_TEXT];	3501	target = xa[XA_COMPOUND_TEXT];
3629	style = enc_compound_text;	3502	style = enc_compound_text;
3630	}	3503	}
3631		3504
3632	if (selection.text)	3505	if (rq.selection == XA_PRIMARY && selection.text)
3633	{	3506	{
3634	cl = selection.text;	3507	cl = selection.text;
3635	selectlen = selection.len;	3508	selectlen = selection.len;
		3509	}
		3510	else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
		3511	{
		3512	cl = selection.clip_text;
		3513	selectlen = selection.clip_len;
3636	}	3514	}
3637	else	3515	else
3638	{	3516	{
3639	cl = L"";	3517	cl = L"";
3640	selectlen = 0;	3518	selectlen = 0;
…		…
3661	ct.value = (unsigned char *)cl;	3539	ct.value = (unsigned char *)cl;
3662	ct.nitems = selectlen;	3540	ct.nitems = selectlen;
3663	ct.encoding = target;	3541	ct.encoding = target;
3664	}	3542	}
3665		3543
3666	XChangeProperty (dpy, rq.requestor, rq.property,	3544	XChangeProperty (dpy, rq.requestor, property,
3667	ct.encoding, 8, PropModeReplace,	3545	ct.encoding, 8, PropModeReplace,
3668	ct.value, (int)ct.nitems);	3546	ct.value, (int)ct.nitems);
3669	ev.property = rq.property;	3547	ev.property = property;
3670		3548
3671	if (freect)	3549	if (freect)
3672	XFree (ct.value);	3550	XFree (ct.value);
3673	}	3551	}
3674		3552
…		…
3708	h += 2; min_it (h, nrow);	3586	h += 2; min_it (h, nrow);
3709		3587
3710	x -= 1; clamp_it (x, 0, ncol - w);	3588	x -= 1; clamp_it (x, 0, ncol - w);
3711	y -= 1; clamp_it (y, 0, nrow - h);	3589	y -= 1; clamp_it (y, 0, nrow - h);
3712		3590
3713	ov_x = x; ov_y = y;	3591	ov.x = x; ov.y = y;
3714	ov_w = w; ov_h = h;	3592	ov.w = w; ov.h = h;
3715		3593
3716	ov_text = new text_t *[h];	3594	ov.text = new text_t *[h];
3717	ov_rend = new rend_t *[h];	3595	ov.rend = new rend_t *[h];
3718		3596
3719	for (y = 0; y < h; y++)	3597	for (y = 0; y < h; y++)
3720	{	3598	{
3721	text_t *tp = ov_text[y] = new text_t[w];	3599	text_t *tp = ov.text[y] = new text_t[w];
3722	rend_t *rp = ov_rend[y] = new rend_t[w];	3600	rend_t *rp = ov.rend[y] = new rend_t[w];
3723		3601
3724	text_t t0, t1, t2;	3602	text_t t0, t1, t2;
3725	rend_t r = OVERLAY_RSTYLE;	3603	rend_t r = OVERLAY_RSTYLE;
3726		3604
3727	if (y == 0)	3605	if (y == 0)
…		…
3746	}	3624	}
3747		3625
3748	void	3626	void
3749	rxvt_term::scr_overlay_off () NOTHROW	3627	rxvt_term::scr_overlay_off () NOTHROW
3750	{	3628	{
3751	if (!ov_text)	3629	if (!ov.text)
3752	return;	3630	return;
3753		3631
3754	want_refresh = 1;	3632	want_refresh = 1;
3755		3633
3756	for (int y = 0; y < ov_h; y++)	3634	for (int y = 0; y < ov.h; y++)
3757	{	3635	{
3758	delete [] ov_text[y];	3636	delete [] ov.text[y];
3759	delete [] ov_rend[y];	3637	delete [] ov.rend[y];
3760	}	3638	}
3761		3639
3762	delete [] ov_text; ov_text = 0;	3640	delete [] ov.text; ov.text = 0;
3763	delete [] ov_rend; ov_rend = 0;	3641	delete [] ov.rend; ov.rend = 0;
3764	}	3642	}
3765		3643
3766	void	3644	void
3767	rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW	3645	rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3768	{	3646	{
3769	if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2)	3647	if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3770	return;	3648	return;
3771		3649
3772	x++, y++;	3650	x++, y++;
3773		3651
3774	ov_text[y][x] = text;	3652	ov.text[y][x] = text;
3775	ov_rend[y][x] = rend;	3653	ov.rend[y][x] = rend;
3776	}	3654	}
3777		3655
3778	void	3656	void
3779	rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW	3657	rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3780	{	3658	{
…		…
3799	}	3677	}
3800		3678
3801	void	3679	void
3802	rxvt_term::scr_swap_overlay () NOTHROW	3680	rxvt_term::scr_swap_overlay () NOTHROW
3803	{	3681	{
3804	if (!ov_text)	3682	if (!ov.text)
3805	return;	3683	return;
3806		3684
		3685	// hide cursor if it is within the overlay area
		3686	if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
		3687	&& IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
		3688	screen.flags &= ~Screen_VisibleCursor;
		3689
3807	// swap screen mem with overlay	3690	// swap screen mem with overlay
3808	for (int y = ov_h; y--; )	3691	for (int y = ov.h; y--; )
3809	{	3692	{
3810	text_t *t1 = ov_text[y];	3693	text_t *t1 = ov.text[y];
3811	rend_t *r1 = ov_rend[y];	3694	rend_t *r1 = ov.rend[y];
3812		3695
3813	text_t *t2 = ROW(y + ov_y + view_start).t + ov_x;	3696	text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3814	rend_t *r2 = ROW(y + ov_y + view_start).r + ov_x;	3697	rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3815		3698
3816	for (int x = ov_w; x--; )	3699	for (int x = ov.w; x--; )
3817	{	3700	{
3818	text_t t = *t1; *t1++ = *t2; *t2++ = t;	3701	text_t t = *t1; *t1++ = *t2; *t2++ = t;
3819	rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));	3702	rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3820	}	3703	}
3821	}	3704	}

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