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

Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.191 by root, Thu Dec 22 18:36:55 2005 UTC vs.
Revision 1.245 by root, Fri Jan 20 10:35:25 2006 UTC

1	/*--------------------------------*-C-*--------------------------------------*	1	/*--------------------------------*-C-*--------------------------------------*
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) 2003-2004 Marc Lehmann <pcg@goof.com>	6	* Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
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.
…		…
24	* This file handles _all_ screen updates and selections	24	* This file handles _all_ screen updates and selections
25	*/	25	*/
26		26
27	#include "../config.h" /* NECESSARY */	27	#include "../config.h" /* NECESSARY */
28	#include "rxvt.h" /* NECESSARY */	28	#include "rxvt.h" /* NECESSARY */
		29	#include "rxvtperl.h" /* NECESSARY */
29		30
30	#include <X11/Xmd.h> /* get the typedef for CARD32 */	31	#include <X11/Xmd.h> /* get the typedef for CARD32 */
31		32
32	#include <inttypes.h>	33	#include <inttypes.h>
33		34
…		…
46		47
47	/* ------------------------------------------------------------------------- *	48	/* ------------------------------------------------------------------------- *
48	* GENERAL SCREEN AND SELECTION UPDATE ROUTINES *	49	* GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
49	* ------------------------------------------------------------------------- */	50	* ------------------------------------------------------------------------- */
50	#define ZERO_SCROLLBACK() \	51	#define ZERO_SCROLLBACK() \
51	if (options & Opt_scrollTtyOutput) \	52	if (OPTION (Opt_scrollTtyOutput)) \
52	view_start = 0	53	view_start = 0
53	#define CLEAR_SELECTION() \	54	#define CLEAR_SELECTION() \
54	selection.beg.row = selection.beg.col \	55	selection.beg.row = selection.beg.col \
55	= selection.end.row = selection.end.col = 0	56	= selection.end.row = selection.end.col = 0
56	#define CLEAR_ALL_SELECTION() \	57	#define CLEAR_ALL_SELECTION() \
…		…
114	* SCREEN `COMMON' ROUTINES *	115	* SCREEN `COMMON' ROUTINES *
115	* ------------------------------------------------------------------------- */	116	* ------------------------------------------------------------------------- */
116		117
117	/* Fill part/all of a line with blanks. */	118	/* Fill part/all of a line with blanks. */
118	void	119	void
119	rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs)	120	rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const NOTHROW
120	{	121	{
121	if (!l.t)	122	if (!l.t)
122	{	123	{
123	lalloc (l);	124	lalloc (l);
124	col = 0;	125	col = 0;
125	width = ncol;	126	width = ncol;
126	}	127	}
127		128
		129	l.touch ();
		130
128	efs &= ~RS_baseattrMask;	131	efs &= ~RS_baseattrMask;
129	efs = SET_FONT (efs, FONTSET (efs)->find_font (' '));	132	efs = SET_FONT (efs, FONTSET (efs)->find_font (' '));
130		133
131	text_t *et = l.t + col;	134	text_t *et = l.t + col;
132	rend_t *er = l.r + col;	135	rend_t *er = l.r + col;
…		…
139	}	142	}
140		143
141	/* ------------------------------------------------------------------------- */	144	/* ------------------------------------------------------------------------- */
142	/* Fill a full line with blanks - make sure it is allocated first */	145	/* Fill a full line with blanks - make sure it is allocated first */
143	void	146	void
144	rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs)	147	rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const NOTHROW
145	{	148	{
146	scr_blank_line (l, 0, ncol, efs);	149	scr_blank_line (l, 0, ncol, efs);
		150
		151	l.l = 0;
		152	l.f = 0;
147	}	153	}
148		154
149	/* ------------------------------------------------------------------------- *	155	/* ------------------------------------------------------------------------- *
150	* SCREEN INITIALISATION *	156	* SCREEN INITIALISATION *
151	* ------------------------------------------------------------------------- */	157	* ------------------------------------------------------------------------- */
…		…
173	if (nrow + saveLines < 2)	179	if (nrow + saveLines < 2)
174	{	180	{
175	//TODO//FIXME	181	//TODO//FIXME
176	saveLines++;	182	saveLines++;
177	prev_nrow--;	183	prev_nrow--;
178	nsaved++;	184	top_row--;
179	}	185	}
180		186
181	want_refresh = 1;	187	want_refresh = 1;
182		188
183	int prev_total_rows = prev_nrow + saveLines;	189	int prev_total_rows = prev_nrow + saveLines;
…		…
188		194
189	if (!row_buf)	195	if (!row_buf)
190	{	196	{
191	/*	197	/*
192	* first time called so just malloc everything: don't rely on realloc	198	* first time called so just malloc everything: don't rely on realloc
193	* Note: this is still needed so that all the scrollback lines are NULL
194	*/	199	*/
195	nsaved = 0; /* no saved lines */	200	top_row = 0; /* no saved lines */
196	term_start = 0;	201	term_start = 0;
197		202
198	talloc = new rxvt_salloc (ncol * sizeof (text_t));	203	talloc = new rxvt_salloc (ncol * sizeof (text_t));
199	ralloc = new rxvt_salloc (ncol * sizeof (rend_t));	204	ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
200		205
201	row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));	206	row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
202	temp_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
203	drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));	207	drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
204	swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));	208	swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
205		209
206	for (int row = nrow; row--; )	210	for (int row = nrow; row--; )
207	{	211	{
208	scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);	212	scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
209	scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);	213	scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
…		…
230	selection.text = NULL;	234	selection.text = NULL;
231	selection.len = 0;	235	selection.len = 0;
232	selection.op = SELECTION_CLEAR;	236	selection.op = SELECTION_CLEAR;
233	selection.screen = PRIMARY;	237	selection.screen = PRIMARY;
234	selection.clicks = 0;	238	selection.clicks = 0;
235	CLEAR_ALL_SELECTION ();
236	rvideo = 0;	239	rvideo = 0;
237	}	240	}
238	else	241	else
239	{	242	{
240	/*	243	/*
…		…
254	}	257	}
255	}	258	}
256	#endif	259	#endif
257		260
258	drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));	261	drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));
259	temp_buf = (line_t *)rxvt_realloc (temp_buf , nrow * sizeof (line_t));
260	swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));	262	swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
261		263
262	for (int row = min (nrow, prev_nrow); row--; )	264	for (int row = min (nrow, prev_nrow); row--; )
263	{	265	{
264	lresize (drawn_buf[row]);	266	lresize (drawn_buf[row]);
…		…
269	{	271	{
270	swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);	272	swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
271	drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);	273	drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
272	}	274	}
273		275
		276	line_t *old_buf = row_buf;
274	line_t *old_buf = row_buf; row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));	277	row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
275		278
276	int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row	279	int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
277	int pend = MOD (term_start - nsaved , prev_total_rows);	280	int pend = MOD (term_start + top_row , prev_total_rows);
278	int q = total_rows; // rewrapped row	281	int q = total_rows; // rewrapped row
279		282
280	if (nsaved)	283	if (top_row)
281	{	284	{
282	// re-wrap lines, this is rather ugly, possibly because I am too dumb	285	// re-wrap lines, this is rather ugly, possibly because I am too dumb
283	// to come up with a lean and mean algorithm.	286	// to come up with a lean and mean algorithm.
284		287
285	row_col_t ocur = screen.cur;	288	row_col_t ocur = screen.cur;
286	ocur.row = MOD (term_start + ocur.row, prev_total_rows);	289	ocur.row = MOD (term_start + ocur.row, prev_total_rows);
287		290
288	while (p != pend && q > 0)	291	do
289	{	292	{
290	p = MOD (p - 1, prev_total_rows);	293	p = MOD (p - 1, prev_total_rows);
291	#ifdef DEBUG_STRICT	294	#ifdef DEBUG_STRICT
292	assert (old_buf [MOD (p, prev_total_rows)].t);	295	assert (old_buf [MOD (p, prev_total_rows)].t);
293	#endif	296	#endif
294
295	int plines = 1;	297	int plines = 1;
296	int llen = old_buf [MOD (p, prev_total_rows)].l;	298	int llen = old_buf [MOD (p, prev_total_rows)].l;
297		299
298	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 ())
299	{	301	{
…		…
317	// re-assemble the full line by destination lines	319	// re-assemble the full line by destination lines
318	for (int qrow = q; qlines--; qrow++)	320	for (int qrow = q; qlines--; qrow++)
319	{	321	{
320	qline = row_buf + qrow;	322	qline = row_buf + qrow;
321	lalloc (*qline);	323	lalloc (*qline);
		324	qline->l = ncol;
322	qline->set_is_longer ();	325	qline->is_longer (1);
323		326
324	int qcol = 0;	327	int qcol = 0;
325		328
		329	// see below for cursor adjustment rationale
		330	if (p == ocur.row)
		331	screen.cur.row = q - (total_rows - nrow);
		332
326	// fill a single destination line	333	// fill a single destination line
327	while (lofs < llen && qcol < ncol)	334	while (lofs < llen && qcol < ncol)
328	{	335	{
329	int prow = lofs / prev_ncol;	336	int prow = lofs / prev_ncol;
330	int pcol = lofs % prev_ncol;	337	int pcol = lofs % prev_ncol;
…		…
340		347
341	line_t &pline = old_buf [prow];	348	line_t &pline = old_buf [prow];
342		349
343	int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);	350	int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
344		351
		352	#if DEBUG_STRICT
345	assert (len);	353	assert (len);
346	assert (pline.t);	354	assert (pline.t);
		355	#endif
347		356
348	memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));	357	memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
349	memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));	358	memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
350		359
351	lofs += len;	360	lofs += len;
352	qcol += len;	361	qcol += len;
353	}	362	}
354	}	363	}
355		364
356	qline->l = llen < ncol ? llen : MOD (llen - 1, ncol) + 1;	365	qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
		366	qline->is_longer (0);
357	scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);	367	scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
358	}	368	}
		369	while (p != pend && q > 0);
359		370
360	term_start = total_rows - nrow;	371	term_start = total_rows - nrow;
361	view_start = 0;	372	top_row = q - term_start;
362	nsaved = term_start - q;
363		373
364	// make sure all terminal lines exist	374	// make sure all terminal lines exist
365	while (nsaved < 0)	375	while (top_row > 0)
366	scr_blank_screen_mem (ROW (-++nsaved), DEFAULT_RSTYLE);	376	scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
367
368	}	377	}
369	else	378	else
370	{	379	{
371	// if no scrollback exists (yet), wing, instead of wrap	380	// if no scrollback exists (yet), wing, instead of wrap
372		381
…		…
383	{	392	{
384	row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);	393	row_buf [row].clear (); scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
385	}	394	}
386		395
387	term_start = 0;	396	term_start = 0;
388	view_start = 0;
389	}	397	}
390
391	#ifdef DEBUG_STRICT
392	for (int i = -nsaved; i < nrow; i++)
393	assert (ROW (i).t);
394	#endif
395		398
396	free (old_buf);	399	free (old_buf);
397	delete old_ta;	400	delete old_ta;
398	delete old_ra;	401	delete old_ra;
399		402
…		…
402		405
403	if (tabs)	406	if (tabs)
404	free (tabs);	407	free (tabs);
405	}	408	}
406		409
		410	CLEAR_ALL_SELECTION ();
		411
407	prev_nrow = nrow;	412	prev_nrow = nrow;
408	prev_ncol = ncol;	413	prev_ncol = ncol;
409		414
410	tabs = (char *)rxvt_malloc (ncol * sizeof (char));	415	tabs = (char *)rxvt_malloc (ncol * sizeof (char));
411		416
412	for (int col = ncol; col--; )	417	for (int col = ncol; col--; )
413	tabs [col] = col % TABSIZE == 0;	418	tabs [col] = col % TABSIZE == 0;
414		419
415	tt_winch ();	420	tt_winch ();
		421
		422	HOOK_INVOKE ((this, HOOK_RESET, DT_END));
416	}	423	}
417		424
418	/* ------------------------------------------------------------------------- */	425	/* ------------------------------------------------------------------------- */
419	/*	426	/*
420	* Free everything. That way malloc debugging can find leakage.	427	* Free everything. That way malloc debugging can find leakage.
421	*/	428	*/
422	void	429	void
423	rxvt_term::scr_release ()	430	rxvt_term::scr_release () NOTHROW
424	{	431	{
425	delete talloc; talloc = 0;	432	delete talloc; talloc = 0;
426	delete ralloc; ralloc = 0;	433	delete ralloc; ralloc = 0;
427		434
428	free (row_buf);	435	free (row_buf);
429	free (swap_buf);	436	free (swap_buf);
430	free (drawn_buf);	437	free (drawn_buf);
431	free (temp_buf);
432	free (tabs);	438	free (tabs);
433		439
434	row_buf = 0; // signal that we freed all the arrays	440	row_buf = 0; // signal that we freed all the arrays
435	}	441	}
436		442
437	/* ------------------------------------------------------------------------- */	443	/* ------------------------------------------------------------------------- */
438	/*	444	/*
439	* Hard reset	445	* Hard reset
440	*/	446	*/
441	void	447	void
442	rxvt_term::scr_poweron ()	448	rxvt_term::scr_poweron () NOTHROW
443	{	449	{
444	scr_release ();	450	scr_release ();
445	prev_nrow = prev_ncol = 0;	451	prev_nrow = prev_ncol = 0;
446	scr_reset ();	452	scr_reset ();
447		453
448	scr_clear (true);	454	scr_clear (true);
449	scr_refresh (SLOW_REFRESH);	455	scr_refresh ();
450	}	456	}
451		457
452	/* ------------------------------------------------------------------------- *	458	/* ------------------------------------------------------------------------- *
453	* PROCESS SCREEN COMMANDS *	459	* PROCESS SCREEN COMMANDS *
454	* ------------------------------------------------------------------------- */	460	* ------------------------------------------------------------------------- */
…		…
456	* Save and Restore cursor	462	* Save and Restore cursor
457	* XTERM_SEQ: Save cursor : ESC 7	463	* XTERM_SEQ: Save cursor : ESC 7
458	* XTERM_SEQ: Restore cursor: ESC 8	464	* XTERM_SEQ: Restore cursor: ESC 8
459	*/	465	*/
460	void	466	void
461	rxvt_term::scr_cursor (int mode)	467	rxvt_term::scr_cursor (cursor_mode mode) NOTHROW
462	{	468	{
463	screen_t *s;	469	screen_t *s;
464		470
465	#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)	471	#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
466	if (current_screen == SECONDARY)	472	if (current_screen == SECONDARY)
…		…
505	* Swap between primary and secondary screens	511	* Swap between primary and secondary screens
506	* XTERM_SEQ: Primary screen : ESC [ ? 4 7 h	512	* XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
507	* XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l	513	* XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
508	*/	514	*/
509	int	515	int
510	rxvt_term::scr_change_screen (int scrn)	516	rxvt_term::scr_change_screen (int scrn) NOTHROW
511	{	517	{
512	want_refresh = 1;	518	want_refresh = 1;
513	view_start = 0;	519	view_start = 0;
514		520
515	if (current_screen == scrn)	521	if (current_screen == scrn)
…		…
524		530
525	screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);	531	screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
526	screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);	532	screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
527		533
528	#if NSCREENS	534	#if NSCREENS
529	if (options & Opt_secondaryScreen)	535	if (OPTION (Opt_secondaryScreen))
530	{	536	{
531	num_scr = 0;	537	num_scr = 0;
532		538
533	for (int i = prev_nrow; i--; )	539	for (int i = prev_nrow; i--; )
534	::swap (ROW(i), swap_buf [i]);	540	::swap (ROW(i), swap_buf [i]);
…		…
538	screen.flags |= Screen_VisibleCursor;	544	screen.flags |= Screen_VisibleCursor;
539	swap.flags |= Screen_VisibleCursor;	545	swap.flags |= Screen_VisibleCursor;
540	}	546	}
541	else	547	else
542	#endif	548	#endif
543	if (options & Opt_secondaryScroll)	549	if (OPTION (Opt_secondaryScroll))
544	scr_scroll_text (0, prev_nrow - 1, prev_nrow);	550	scr_scroll_text (0, prev_nrow - 1, prev_nrow);
545		551
546	return scrn;	552	return scrn;
547	}	553	}
548		554
549	// clear WrapNext indicator, solidifying position on next line	555	// clear WrapNext indicator, solidifying position on next line
550	void	556	void
551	rxvt_term::scr_do_wrap ()	557	rxvt_term::scr_do_wrap () NOTHROW
552	{	558	{
553	if (!(screen.flags & Screen_WrapNext))	559	if (!(screen.flags & Screen_WrapNext))
554	return;	560	return;
555		561
556	screen.flags &= ~Screen_WrapNext;	562	screen.flags &= ~Screen_WrapNext;
…		…
566	/* ------------------------------------------------------------------------- */	572	/* ------------------------------------------------------------------------- */
567	/*	573	/*
568	* Change the colour for following text	574	* Change the colour for following text
569	*/	575	*/
570	void	576	void
571	rxvt_term::scr_color (unsigned int color, int fgbg)	577	rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW
572	{	578	{
573	if (color > maxTermCOLOR)	579	if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
574	color = fgbg;	580	color = fgbg;
575		581
576	if (fgbg == Color_fg)	582	if (fgbg == Color_fg)
577	rstyle = SET_FGCOLOR (rstyle, color);	583	rstyle = SET_FGCOLOR (rstyle, color);
578	else	584	else
…		…
582	/* ------------------------------------------------------------------------- */	588	/* ------------------------------------------------------------------------- */
583	/*	589	/*
584	* Change the rendition style for following text	590	* Change the rendition style for following text
585	*/	591	*/
586	void	592	void
587	rxvt_term::scr_rendition (int set, int style)	593	rxvt_term::scr_rendition (int set, int style) NOTHROW
588	{	594	{
589	if (set)	595	if (set)
590	rstyle |= style;	596	rstyle |= style;
591	else if (style == ~RS_None)	597	else if (style == ~RS_None)
592	rstyle = DEFAULT_RSTYLE;	598	rstyle = DEFAULT_RSTYLE;
…		…
599	* Scroll text between <row1> and <row2> inclusive, by <count> lines	605	* Scroll text between <row1> and <row2> inclusive, by <count> lines
600	* count positive ==> scroll up	606	* count positive ==> scroll up
601	* count negative ==> scroll down	607	* count negative ==> scroll down
602	*/	608	*/
603	int	609	int
604	rxvt_term::scr_scroll_text (int row1, int row2, int count)	610	rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
605	{	611	{
606	if (count == 0 || (row1 > row2))	612	if (count == 0 || (row1 > row2))
607	return 0;	613	return 0;
608		614
609	want_refresh = 1;	615	want_refresh = 1;
610	num_scr += count;	616	num_scr += count;
611		617
612	if (count > 0	618	if (count > 0
613	&& row1 == 0	619	&& row1 == 0
614	&& row2 == nrow - 1
615	&& (current_screen == PRIMARY || options & Opt_secondaryScroll))	620	&& (current_screen == PRIMARY || OPTION (Opt_secondaryScroll)))
616	{	621	{
617	nsaved = min (nsaved + count, saveLines);	622	top_row = max (top_row - count, -saveLines);
		623
		624	// scroll everything up 'count' lines
618	term_start = (term_start + count) % total_rows;	625	term_start = (term_start + count) % total_rows;
619		626
		627	// sever bottommost line
		628	{
		629	line_t &l = ROW(row2 - count);
		630	l.is_longer (0);
		631	l.touch ();
		632	}
		633
		634	// erase newly scrolled-in lines
		635	for (int i = count; i--; )
		636	{
		637	// basically this is a slightly optimized scr_blank_screen_mem
		638	// it is worth the effort on slower machines
		639	line_t &l = ROW(nrow - 1 - i);
		640
		641	scr_blank_line (l, 0, l.l, rstyle);
		642
		643	l.l = 0;
		644	l.f = 0;
		645	}
		646
		647	// now copy lines below the scroll region bottom to the
		648	// bottom of the screen again, so they look as if they
		649	// hadn't moved.
		650	for (int i = nrow; --i > row2; )
		651	{
		652	line_t &l1 = ROW(i - count);
		653	line_t &l2 = ROW(i);
		654
		655	::swap (l1, l2);
		656	l2.touch ();
		657	}
		658
		659	// move and/or clear selection, if any
620	if (selection.op && current_screen == selection.screen)	660	if (selection.op && current_screen == selection.screen)
621	{	661	{
622	selection.beg.row -= count;	662	selection.beg.row -= count;
623	selection.end.row -= count;	663	selection.end.row -= count;
624	selection.mark.row -= count;	664	selection.mark.row -= count;
625		665
626	selection_check (0);	666	if (selection.beg.row < top_row
627	}	667	|| selection.end.row < top_row
628		668	|| selection.mark.row < top_row)
629	for (int i = count; i--; )
630	scr_blank_screen_mem (ROW(row2 - i), rstyle);
631
632	if ((options & Opt_scrollWithBuffer)
633	&& view_start != 0
634	&& view_start != saveLines)
635	scr_page (UP, count);
636	}
637	else
638	{
639	if (selection.op && current_screen == selection.screen)
640	{
641	int i = selection.beg.row;
642	int j = selection.end.row;
643
644	if ((i < row1 && j > row1)
645	|| (i < row2 && j > row2)
646	|| (i - count < row1 && i >= row1)
647	|| (i - count > row2 && i <= row2)
648	|| (j - count < row1 && j >= row1)
649	|| (j - count > row2 && j <= row2))
650	{	669	{
651	CLEAR_ALL_SELECTION ();	670	CLEAR_ALL_SELECTION ();
652	selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */	671	selection.op = SELECTION_CLEAR;
653	}	672	}
654	else if (j >= row1 && j <= row2)	673	}
		674
		675	// finally move the view window, if desired
		676	if (OPTION (Opt_scrollWithBuffer)
		677	&& view_start != 0
		678	&& view_start != -saveLines)
		679	scr_page (UP, count);
		680
		681	if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
		682	HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
		683	}
		684	else
		685	{
		686	if (selection.op && current_screen == selection.screen)
		687	{
		688	if ((selection.beg.row < row1 && selection.end.row > row1)
		689	|| (selection.beg.row < row2 && selection.end.row > row2)
		690	|| (selection.beg.row - count < row1 && selection.beg.row >= row1)
		691	|| (selection.beg.row - count > row2 && selection.beg.row <= row2)
		692	|| (selection.end.row - count < row1 && selection.end.row >= row1)
		693	|| (selection.end.row - count > row2 && selection.end.row <= row2))
		694	{
		695	CLEAR_ALL_SELECTION ();
		696	selection.op = SELECTION_CLEAR;
		697	}
		698	else if (selection.end.row >= row1 && selection.end.row <= row2)
655	{	699	{
656	/* move selected region too */	700	/* move selected region too */
657	selection.beg.row -= count;	701	selection.beg.row -= count;
658	selection.end.row -= count;	702	selection.end.row -= count;
659	selection.mark.row -= count;	703	selection.mark.row -= count;
…		…
667		711
668	int rows = row2 - row1 + 1;	712	int rows = row2 - row1 + 1;
669		713
670	min_it (count, rows);	714	min_it (count, rows);
671		715
		716	line_t *temp_buf = row_buf + total_rows;
		717
672	for (int row = 0; row < rows; row++)	718	for (int row = 0; row < rows; row++)
673	{	719	{
674	temp_buf [row] = ROW(row1 + (row + count + rows) % rows);	720	temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
675		721
676	if (!IN_RANGE_EXC (row + count, 0, rows))	722	if (!IN_RANGE_EXC (row + count, 0, rows))
…		…
687	/* ------------------------------------------------------------------------- */	733	/* ------------------------------------------------------------------------- */
688	/*	734	/*
689	* Add text given in <str> of length <len> to screen struct	735	* Add text given in <str> of length <len> to screen struct
690	*/	736	*/
691	void	737	void
692	rxvt_term::scr_add_lines (const unicode_t *str, int nlines, int len)	738	rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
693	{	739	{
694	if (len <= 0) /* sanity */	740	if (len <= 0) /* sanity */
695	return;	741	return;
696		742
697	unsigned char checksel;	743	unsigned char checksel;
698	unicode_t c;	744	unicode_t c;
699	int row, last_col;	745	int ncol = this->ncol;
700	const unicode_t *strend = str + len;	746	const wchar_t *strend = str + len;
701		747
702	want_refresh = 1;	748	want_refresh = 1;
703	ZERO_SCROLLBACK ();	749	ZERO_SCROLLBACK ();
704	last_col = ncol;
705		750
706	if (nlines > 0)	751	if (minlines > 0)
707	{	752	{
708	nlines += screen.cur.row - screen.bscroll;	753	minlines += screen.cur.row - screen.bscroll;
		754
709	if (nlines > 0	755	if (minlines > 0
710	&& screen.tscroll == 0	756	&& screen.tscroll == 0
711	&& screen.bscroll == (nrow - 1))	757	&& screen.bscroll == nrow - 1)
712	{	758	{
713	/* _at least_ this many lines need to be scrolled */	759	/* _at least_ this many lines need to be scrolled */
714	scr_scroll_text (screen.tscroll, screen.bscroll, nlines);	760	scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
715	screen.cur.row -= nlines;	761	screen.cur.row -= minlines;
716	}	762	}
717	}	763	}
718		764
719	#ifdef DEBUG_STRICT	765	#ifdef DEBUG_STRICT
720	assert (screen.cur.col < last_col);	766	assert (screen.cur.col < ncol);
721	assert (screen.cur.row < nrow	767	assert (screen.cur.row < nrow
722	&& screen.cur.row >= -nsaved);	768	&& screen.cur.row >= top_row);
723	#endif	769	#endif
724	row = screen.cur.row;	770	int row = screen.cur.row;
725		771
726	checksel = selection.op && current_screen == selection.screen ? 1 : 0;	772	checksel = selection.op && current_screen == selection.screen ? 1 : 0;
727		773
728	line_t *line = &ROW(row);	774	line_t *line = &ROW(row);
729		775
730	while (str < strend)	776	while (str < strend)
731	{	777	{
732	c = *str++;	778	c = (unicode_t)*str++; // convert to rxvt-unicodes representation
733		779
734	if (c < 0x20)	780	if (c < 0x20)
735	if (c == C0_LF)	781	if (c == C0_LF)
736	{	782	{
737	if (!line->is_longer ()) /* XXX: think about this */
738	max_it (line->l, screen.cur.col);	783	max_it (line->l, screen.cur.col);
739		784
740	screen.flags &= ~Screen_WrapNext;	785	screen.flags &= ~Screen_WrapNext;
741		786
742	if (screen.cur.row == screen.bscroll)	787	if (screen.cur.row == screen.bscroll)
743	scr_scroll_text (screen.tscroll, screen.bscroll, 1);	788	scr_scroll_text (screen.tscroll, screen.bscroll, 1);
…		…
747	line = &ROW(row); /* _must_ refresh */	792	line = &ROW(row); /* _must_ refresh */
748	continue;	793	continue;
749	}	794	}
750	else if (c == C0_CR)	795	else if (c == C0_CR)
751	{	796	{
752	if (!line->is_longer ()) /* XXX: think about this */
753	max_it (line->l, screen.cur.col);	797	max_it (line->l, screen.cur.col);
754		798
755	screen.flags &= ~Screen_WrapNext;	799	screen.flags &= ~Screen_WrapNext;
756	screen.cur.col = 0;	800	screen.cur.col = 0;
757	continue;	801	continue;
758	}	802	}
…		…
775	CLEAR_SELECTION ();	819	CLEAR_SELECTION ();
776	}	820	}
777		821
778	if (screen.flags & Screen_WrapNext)	822	if (screen.flags & Screen_WrapNext)
779	{	823	{
780	line->set_is_longer ();
781
782	scr_do_wrap ();	824	scr_do_wrap ();
783		825
		826	line->l = ncol;
		827	line->is_longer (1);
		828
784	row = screen.cur.row;	829	row = screen.cur.row;
785	line = &ROW(row); /* _must_ refresh */	830	line = &ROW(row); /* _must_ refresh */
786	}	831	}
787		832
788	// some utf-8 decoders "decode" surrogate characters: let's fix this.	833	// some utf-8 decoders "decode" surrogate characters: let's fix this.
…		…
793	// do wcwidth before further replacements, as wcwidth might return -1	838	// do wcwidth before further replacements, as wcwidth might return -1
794	// for the line drawing characters below as they might be invalid in the current	839	// for the line drawing characters below as they might be invalid in the current
795	// locale.	840	// locale.
796	int width = c < 0x100 ? 1 : wcwidth (c);	841	int width = c < 0x100 ? 1 : wcwidth (c);
797		842
798	if (charsets[screen.charset] == '0') // DEC SPECIAL	843	if (charsets [screen.charset] == '0') // DEC SPECIAL
799	{	844	{
800	// vt100 special graphics and line drawing	845	// vt100 special graphics and line drawing
801	// 5f-7e standard vt100	846	// 5f-7e standard vt100
802	// 40-5e rxvt extension for extra curses acs chars	847	// 40-5e rxvt extension for extra curses acs chars
803	static uint16_t vt100_0[62] = { // 41 .. 7e	848	static uint16_t vt100_0[62] = { // 41 .. 7e
…		…
855	}	900	}
856		901
857	rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));	902	rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
858		903
859	// if the character doesn't fit into the remaining columns...	904	// if the character doesn't fit into the remaining columns...
860	if (screen.cur.col > last_col - width && last_col >= width)	905	if (screen.cur.col > ncol - width && ncol >= width)
861	{	906	{
862	// ...output spaces	907	// ...output spaces
863	c = ' ';	908	c = ' ';
864	// and try the same character next loop iteration	909	// and try the same character next loop iteration
865	--str;	910	--str;
866	}	911	}
867		912
		913	line->touch ();
		914
868	do	915	do
869	{	916	{
870	line->t[screen.cur.col] = c;	917	line->t[screen.cur.col] = c;
871	line->r[screen.cur.col] = rend;	918	line->r[screen.cur.col] = rend;
872		919
873	if (screen.cur.col < last_col - 1)	920	if (screen.cur.col < ncol - 1)
874	screen.cur.col++;	921	screen.cur.col++;
875	else	922	else
876	{	923	{
877	line->l = last_col;	924	line->l = ncol;
878	if (screen.flags & Screen_Autowrap)	925	if (screen.flags & Screen_Autowrap)
879	screen.flags |= Screen_WrapNext;	926	screen.flags |= Screen_WrapNext;
880	break;	927	break;
881	}	928	}
882		929
…		…
884	}	931	}
885	while (--width > 0);	932	while (--width > 0);
886		933
887	// pad with spaces when overwriting wide character with smaller one	934	// pad with spaces when overwriting wide character with smaller one
888	if (!width)	935	if (!width)
		936	{
		937	line->touch ();
		938
889	for (int c = screen.cur.col; c < last_col && line->t[c] == NOCHAR; c++)	939	for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)
890	{	940	{
891	line->t[c] = ' ';	941	line->t[c] = ' ';
892	line->r[c] = rend;	942	line->r[c] = rend;
893	}	943	}
		944	}
894	}	945	}
895	else // width == 0	946	else // width == 0
896	{	947	{
897	#if ENABLE_COMBINING	948	#if ENABLE_COMBINING
898	// handle combining characters	949	// handle combining characters
899	// we just tag the accent on the previous on-screen character.	950	// we just tag the accent on the previous on-screen character.
900	// this is arguably not correct, but also arguably not wrong.	951	// this is arguably not correct, but also arguably not wrong.
901	// we don't handle double-width characters nicely yet.	952	// we don't handle double-width characters nicely yet.
		953	line_t *linep;
902	text_t *tp;	954	text_t *tp;
903	rend_t *rp;	955	rend_t *rp;
904		956
905	if (screen.cur.col > 0)	957	if (screen.cur.col > 0)
906	{	958	{
		959	linep = line;
907	tp = line->t + screen.cur.col - 1;	960	tp = line->t + screen.cur.col - 1;
908	rp = line->r + screen.cur.col - 1;	961	rp = line->r + screen.cur.col - 1;
909
910	while (*tp == NOCHAR && tp > line->t)
911	tp--, rp--;
912	}	962	}
913	else if (screen.cur.row > 0	963	else if (screen.cur.row > 0
914	&& ROW(screen.cur.row - 1).is_longer ())	964	&& ROW(screen.cur.row - 1).is_longer ())
915	{	965	{
916	line_t *line = &ROW(screen.cur.row - 1);	966	linep = &ROW(screen.cur.row - 1);
917
918	tp = line->t + last_col - 1;	967	tp = line->t + ncol - 1;
919	rp = line->r + last_col - 1;	968	rp = line->r + ncol - 1;
920
921	while (*tp == NOCHAR && tp > line->t)
922	tp--, rp--;
923	}	969	}
924	else	970	else
925	continue;	971	continue;
		972
		973	linep->touch ();
		974
		975	while (*tp == NOCHAR && tp > linep->t)
		976	tp--, rp--;
926		977
927	// first try to find a precomposed character	978	// first try to find a precomposed character
928	unicode_t n = rxvt_compose (*tp, c);	979	unicode_t n = rxvt_compose (*tp, c);
929	if (n == NOCHAR)	980	if (n == NOCHAR)
930	n = rxvt_composite.compose (*tp, c);	981	n = rxvt_composite.compose (*tp, c);
…		…
933	*rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));	984	*rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
934	#endif	985	#endif
935	}	986	}
936	}	987	}
937		988
938	if (!line->is_longer ()) /* XXX: think about this */
939	max_it (line->l, screen.cur.col);	989	max_it (line->l, screen.cur.col);
940		990
941	#ifdef DEBUG_STRICT	991	#ifdef DEBUG_STRICT
942	assert (screen.cur.row >= 0);	992	assert (screen.cur.row >= 0);
943	#endif	993	#endif
944	}	994	}
…		…
947	/*	997	/*
948	* Process Backspace. Move back the cursor back a position, wrap if have to	998	* Process Backspace. Move back the cursor back a position, wrap if have to
949	* XTERM_SEQ: CTRL-H	999	* XTERM_SEQ: CTRL-H
950	*/	1000	*/
951	void	1001	void
952	rxvt_term::scr_backspace ()	1002	rxvt_term::scr_backspace () NOTHROW
953	{	1003	{
954	want_refresh = 1;	1004	want_refresh = 1;
955		1005
956	if (screen.cur.col == 0)	1006	if (screen.cur.col == 0)
957	{	1007	{
…		…
975	* Process Horizontal Tab	1025	* Process Horizontal Tab
976	* count: +ve = forward; -ve = backwards	1026	* count: +ve = forward; -ve = backwards
977	* XTERM_SEQ: CTRL-I	1027	* XTERM_SEQ: CTRL-I
978	*/	1028	*/
979	void	1029	void
980	rxvt_term::scr_tab (int count, bool ht)	1030	rxvt_term::scr_tab (int count, bool ht) NOTHROW
981	{	1031	{
982	int i, x;	1032	int i, x;
983		1033
984	want_refresh = 1;	1034	want_refresh = 1;
985	i = x = screen.cur.col;	1035	i = x = screen.cur.col;
986		1036
987	if (count == 0)	1037	if (count == 0)
988	return;	1038	return;
989	else if (count > 0)	1039	else if (count > 0)
990	{	1040	{
991	int row = screen.cur.row;
992
993	line_t &l = ROW(row);	1041	line_t &l = ROW(screen.cur.row);
994	rend_t base_rend = l.r[i];	1042	rend_t base_rend = l.r[i];
995	ht &= l.t[i] == ' ';	1043	ht &= l.t[i] == ' ';
996		1044
997	for (; ++i < ncol; )	1045	for (; ++i < ncol; )
998	if (tabs[i])	1046	if (tabs[i])
999	{	1047	{
1000	x = i;	1048	x = i;
		1049
1001	if (!--count)	1050	if (!--count)
1002	break;	1051	break;
1003	}	1052	}
1004	else	1053	else
1005	ht &= l.t[i] == ' '	1054	ht &= l.t[i] == ' '
…		…
1008	if (count)	1057	if (count)
1009	x = ncol - 1;	1058	x = ncol - 1;
1010		1059
1011	// store horizontal tab commands as characters inside the text	1060	// store horizontal tab commands as characters inside the text
1012	// buffer so they can be selected and pasted.	1061	// buffer so they can be selected and pasted.
1013	if (ht && options & Opt_pastableTabs)	1062	if (ht && OPTION (Opt_pastableTabs))
1014	{	1063	{
1015	base_rend = SET_FONT (base_rend, 0);	1064	base_rend = SET_FONT (base_rend, 0);
1016		1065
1017	if (!l.is_longer ()) /* XXX: think about this */	1066	l.touch (x);
1018	max_it (l.l, x);
1019		1067
1020	i = screen.cur.col;	1068	i = screen.cur.col;
1021		1069
1022	l.t[i] = '\t';	1070	l.t[i] = '\t';
1023	l.r[i] = base_rend;	1071	l.r[i] = base_rend;
…		…
1054	* Move cursor left in row. If we're at the left boundary, shift everything	1102	* Move cursor left in row. If we're at the left boundary, shift everything
1055	* in that row right. Clear left column.	1103	* in that row right. Clear left column.
1056	*/	1104	*/
1057	#if ENABLE_FRILLS	1105	#if ENABLE_FRILLS
1058	void	1106	void
1059	rxvt_term::scr_backindex ()	1107	rxvt_term::scr_backindex () NOTHROW
1060	{	1108	{
1061	if (screen.cur.col > 0)	1109	if (screen.cur.col > 0)
1062	scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);	1110	scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1063	else	1111	else
1064	scr_insdel_chars (1, INSERT);	1112	scr_insdel_chars (1, INSERT);
…		…
1071	* Move cursor right in row. If we're at the right boundary, shift everything	1119	* Move cursor right in row. If we're at the right boundary, shift everything
1072	* in that row left. Clear right column.	1120	* in that row left. Clear right column.
1073	*/	1121	*/
1074	#if ENABLE_FRILLS	1122	#if ENABLE_FRILLS
1075	void	1123	void
1076	rxvt_term::scr_forwardindex ()	1124	rxvt_term::scr_forwardindex () NOTHROW
1077	{	1125	{
1078	int row;
1079
1080	if (screen.cur.col < ncol - 1)	1126	if (screen.cur.col < ncol - 1)
1081	scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);	1127	scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1082	else	1128	else
1083	{	1129	{
1084	row = screen.cur.row;	1130	line_t &l = ROW(screen.cur.row);
1085		1131
1086	if (ROW(row).is_longer ()) //TODO//FIXME//LEN	1132	l.touch ();
1087	ROW(row).l = ncol;	1133	l.is_longer (0);
1088		1134
1089	scr_gotorc (0, 0, R_RELATIVE);	1135	scr_gotorc (0, 0, R_RELATIVE);
1090	scr_insdel_chars (1, DELETE);	1136	scr_insdel_chars (1, DELETE);
1091	scr_gotorc (0, ncol - 1, R_RELATIVE);	1137	scr_gotorc (0, ncol - 1, R_RELATIVE);
1092	}	1138	}
…		…
1096	/* ------------------------------------------------------------------------- */	1142	/* ------------------------------------------------------------------------- */
1097	/*	1143	/*
1098	* Goto Row/Column	1144	* Goto Row/Column
1099	*/	1145	*/
1100	void	1146	void
1101	rxvt_term::scr_gotorc (int row, int col, int relative)	1147	rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW
1102	{	1148	{
1103	want_refresh = 1;	1149	want_refresh = 1;
1104	ZERO_SCROLLBACK ();	1150	ZERO_SCROLLBACK ();
1105		1151
1106	screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;	1152	screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
…		…
1144	/* ------------------------------------------------------------------------- */	1190	/* ------------------------------------------------------------------------- */
1145	/*	1191	/*
1146	* direction should be UP or DN	1192	* direction should be UP or DN
1147	*/	1193	*/
1148	void	1194	void
1149	rxvt_term::scr_index (enum page_dirn direction)	1195	rxvt_term::scr_index (enum page_dirn direction) NOTHROW
1150	{	1196	{
1151	int dirn;	1197	int dirn;
1152		1198
1153	want_refresh = 1;	1199	want_refresh = 1;
1154	ZERO_SCROLLBACK ();	1200	ZERO_SCROLLBACK ();
…		…
1173	* XTERM_SEQ: Clear line to right: ESC [ 0 K	1219	* XTERM_SEQ: Clear line to right: ESC [ 0 K
1174	* XTERM_SEQ: Clear line to left : ESC [ 1 K	1220	* XTERM_SEQ: Clear line to left : ESC [ 1 K
1175	* XTERM_SEQ: Clear whole line : ESC [ 2 K	1221	* XTERM_SEQ: Clear whole line : ESC [ 2 K
1176	*/	1222	*/
1177	void	1223	void
1178	rxvt_term::scr_erase_line (int mode)	1224	rxvt_term::scr_erase_line (int mode) NOTHROW
1179	{	1225	{
1180	unsigned int row, col, num;	1226	unsigned int col, num;
1181		1227
1182	want_refresh = 1;	1228	want_refresh = 1;
1183	ZERO_SCROLLBACK ();	1229	ZERO_SCROLLBACK ();
1184		1230
1185	selection_check (1);	1231	selection_check (1);
1186		1232
1187	row = screen.cur.row;	1233	line_t &line = ROW(screen.cur.row);
		1234
		1235	line.touch ();
		1236	line.is_longer (0);
1188		1237
1189	switch (mode)	1238	switch (mode)
1190	{	1239	{
1191	case 0: /* erase to end of line */	1240	case 0: /* erase to end of line */
1192	col = screen.cur.col;	1241	col = screen.cur.col;
1193	num = ncol - col;	1242	num = ncol - col;
1194	min_it (ROW(row).l, col);	1243	min_it (line.l, col);
1195	if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)	1244	if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1196	|| ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))	1245	|| ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1197	CLEAR_SELECTION ();	1246	CLEAR_SELECTION ();
1198	break;	1247	break;
1199	case 1: /* erase to beginning of line */	1248	case 1: /* erase to beginning of line */
…		…
1204	CLEAR_SELECTION ();	1253	CLEAR_SELECTION ();
1205	break;	1254	break;
1206	case 2: /* erase whole line */	1255	case 2: /* erase whole line */
1207	col = 0;	1256	col = 0;
1208	num = ncol;	1257	num = ncol;
1209	ROW(row).l = 0;	1258	line.l = 0;
1210	if (selection.beg.row <= screen.cur.row	1259	if (selection.beg.row <= screen.cur.row
1211	&& selection.end.row >= screen.cur.row)	1260	&& selection.end.row >= screen.cur.row)
1212	CLEAR_SELECTION ();	1261	CLEAR_SELECTION ();
1213	break;	1262	break;
1214	default:	1263	default:
1215	return;	1264	return;
1216	}	1265	}
1217		1266
1218	scr_blank_line (ROW(row), col, num, rstyle);	1267	scr_blank_line (line, col, num, rstyle);
1219	}	1268	}
1220		1269
1221	/* ------------------------------------------------------------------------- */	1270	/* ------------------------------------------------------------------------- */
1222	/*	1271	/*
1223	* Erase part of whole of the screen	1272	* Erase part of whole of the screen
1224	* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J	1273	* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1225	* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J	1274	* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1226	* XTERM_SEQ: Clear whole screen : ESC [ 2 J	1275	* XTERM_SEQ: Clear whole screen : ESC [ 2 J
1227	*/	1276	*/
1228	void	1277	void
1229	rxvt_term::scr_erase_screen (int mode)	1278	rxvt_term::scr_erase_screen (int mode) NOTHROW
1230	{	1279	{
1231	int num;	1280	int num;
1232	int32_t row;	1281	int32_t row;
1233	rend_t ren;	1282	rend_t ren;
1234	XGCValues gcvalue;	1283	XGCValues gcvalue;
…		…
1278	CLEAR_ROWS (row, num);	1327	CLEAR_ROWS (row, num);
1279	}	1328	}
1280	else	1329	else
1281	{	1330	{
1282	ren = rstyle & (RS_fgMask | RS_bgMask);	1331	ren = rstyle & (RS_fgMask | RS_bgMask);
1283	gcvalue.foreground = pix_colors[GET_BGCOLOR (rstyle)];	1332	gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1284	XChangeGC (display->display, gc, GCForeground, &gcvalue);	1333	XChangeGC (display->display, gc, GCForeground, &gcvalue);
1285	ERASE_ROWS (row, num);	1334	ERASE_ROWS (row, num);
1286	gcvalue.foreground = pix_colors[Color_fg];	1335	gcvalue.foreground = pix_colors[Color_fg];
1287	XChangeGC (display->display, gc, GCForeground, &gcvalue);	1336	XChangeGC (display->display, gc, GCForeground, &gcvalue);
1288	}	1337	}
1289		1338
1290	for (; num--; row++)	1339	for (; num--; row++)
1291	{	1340	{
1292	scr_blank_screen_mem (ROW (row), rstyle);	1341	scr_blank_screen_mem (ROW(row), rstyle);
1293	ROW (row).l = 0;
1294	scr_blank_line (drawn_buf [row], 0, ncol, ren);	1342	scr_blank_line (drawn_buf [row], 0, ncol, ren);
1295	}	1343	}
1296	}	1344	}
1297		1345
1298	#if ENABLE_FRILLS	1346	#if ENABLE_FRILLS
1299	void	1347	void
1300	rxvt_term::scr_erase_savelines ()	1348	rxvt_term::scr_erase_savelines () NOTHROW
1301	{	1349	{
1302	want_refresh = 1;	1350	want_refresh = 1;
1303	ZERO_SCROLLBACK ();	1351	ZERO_SCROLLBACK ();
1304		1352
1305	nsaved = 0;	1353	top_row = 0;
1306	}	1354	}
1307	#endif	1355	#endif
1308		1356
1309	/* ------------------------------------------------------------------------- */	1357	/* ------------------------------------------------------------------------- */
1310	/*	1358	/*
1311	* Fill the screen with `E's	1359	* Fill the screen with `E's
1312	* XTERM_SEQ: Screen Alignment Test: ESC # 8	1360	* XTERM_SEQ: Screen Alignment Test: ESC # 8
1313	*/	1361	*/
1314	void	1362	void
1315	rxvt_term::scr_E ()	1363	rxvt_term::scr_E () NOTHROW
1316	{	1364	{
1317	rend_t fs;	1365	rend_t fs;
1318		1366
1319	want_refresh = 1;	1367	want_refresh = 1;
1320	ZERO_SCROLLBACK ();	1368	ZERO_SCROLLBACK ();
…		…
1331	rend_t *r1 = line.r;	1379	rend_t *r1 = line.r;
1332		1380
1333	for (int j = ncol; j--; )	1381	for (int j = ncol; j--; )
1334	*r1++ = fs;	1382	*r1++ = fs;
1335		1383
1336	line.l = ncol; /* make the `E's selectable */	1384	line.is_longer (0);
		1385	line.touch (ncol);
1337	}	1386	}
1338	}	1387	}
1339		1388
1340	/* ------------------------------------------------------------------------- */	1389	/* ------------------------------------------------------------------------- */
1341	/*	1390	/*
1342	* Insert/Delete <count> lines	1391	* Insert/Delete <count> lines
1343	*/	1392	*/
1344	void	1393	void
1345	rxvt_term::scr_insdel_lines (int count, int insdel)	1394	rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW
1346	{	1395	{
1347	int end;	1396	int end;
1348		1397
1349	ZERO_SCROLLBACK ();	1398	ZERO_SCROLLBACK ();
1350		1399
…		…
1370	/* ------------------------------------------------------------------------- */	1419	/* ------------------------------------------------------------------------- */
1371	/*	1420	/*
1372	* Insert/Delete <count> characters from the current position	1421	* Insert/Delete <count> characters from the current position
1373	*/	1422	*/
1374	void	1423	void
1375	rxvt_term::scr_insdel_chars (int count, int insdel)	1424	rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1376	{	1425	{
1377	int col, row;	1426	int col, row;
1378	rend_t tr;	1427	rend_t tr;
1379		1428
1380	want_refresh = 1;	1429	want_refresh = 1;
…		…
1389	min_it (count, ncol - screen.cur.col);	1438	min_it (count, ncol - screen.cur.col);
1390		1439
1391	row = screen.cur.row;	1440	row = screen.cur.row;
1392		1441
1393	line_t *line = &ROW(row);	1442	line_t *line = &ROW(row);
		1443
		1444	line->touch ();
		1445	line->is_longer (0);
1394		1446
1395	switch (insdel)	1447	switch (insdel)
1396	{	1448	{
1397	case INSERT:	1449	case INSERT:
1398	for (col = ncol - 1; (col - count) >= screen.cur.col; col--)	1450	for (col = ncol - 1; (col - count) >= screen.cur.col; col--)
1399	{	1451	{
1400	line->t[col] = line->t[col - count];	1452	line->t[col] = line->t[col - count];
1401	line->r[col] = line->r[col - count];	1453	line->r[col] = line->r[col - count];
1402	}	1454	}
1403		1455
1404	if (!line->is_longer ())	1456	line->l = min (line->l + count, ncol);
1405	{
1406	line->l += count;
1407	min_it (line->l, ncol);
1408	}
1409		1457
1410	if (selection.op && current_screen == selection.screen	1458	if (selection.op && current_screen == selection.screen
1411	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))	1459	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1412	{	1460	{
1413	if (selection.end.row != screen.cur.row	1461	if (selection.end.row != screen.cur.row
…		…
1426		1474
1427	case ERASE:	1475	case ERASE:
1428	screen.cur.col += count; /* don't worry if > ncol */	1476	screen.cur.col += count; /* don't worry if > ncol */
1429	selection_check (1);	1477	selection_check (1);
1430	screen.cur.col -= count;	1478	screen.cur.col -= count;
		1479
		1480	line->l = max (line->l - count, 0);
1431	scr_blank_line (*line, screen.cur.col, count, rstyle);	1481	scr_blank_line (*line, screen.cur.col, count, rstyle);
1432	break;	1482	break;
1433		1483
1434	case DELETE:	1484	case DELETE:
1435	tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask);	1485	tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask);
…		…
1438	{	1488	{
1439	line->t[col] = line->t[col + count];	1489	line->t[col] = line->t[col + count];
1440	line->r[col] = line->r[col + count];	1490	line->r[col] = line->r[col + count];
1441	}	1491	}
1442		1492
		1493	line->l = max (line->l - count, 0);
1443	scr_blank_line (*line, ncol - count, count, tr);	1494	scr_blank_line (*line, ncol - count, count, tr);
1444
1445	if (line->is_longer ()) /* break line continuation */
1446	line->l = ncol;
1447
1448	line->l = max (line->l - count, 0);
1449		1495
1450	if (selection.op && current_screen == selection.screen	1496	if (selection.op && current_screen == selection.screen
1451	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))	1497	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1452	{	1498	{
1453	if (selection.end.row != screen.cur.row	1499	if (selection.end.row != screen.cur.row
…		…
1471	/*	1517	/*
1472	* Set the scrolling region	1518	* Set the scrolling region
1473	* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r	1519	* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1474	*/	1520	*/
1475	void	1521	void
1476	rxvt_term::scr_scroll_region (int top, int bot)	1522	rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1477	{	1523	{
1478	max_it (top, 0);	1524	max_it (top, 0);
1479	min_it (bot, nrow - 1);	1525	min_it (bot, nrow - 1);
1480		1526
1481	if (top > bot)	1527	if (top > bot)
…		…
1491	* Make the cursor visible/invisible	1537	* Make the cursor visible/invisible
1492	* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h	1538	* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1493	* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l	1539	* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1494	*/	1540	*/
1495	void	1541	void
1496	rxvt_term::scr_cursor_visible (int mode)	1542	rxvt_term::scr_cursor_visible (int mode) NOTHROW
1497	{	1543	{
1498	want_refresh = 1;	1544	want_refresh = 1;
1499		1545
1500	if (mode)	1546	if (mode)
1501	screen.flags |= Screen_VisibleCursor;	1547	screen.flags |= Screen_VisibleCursor;
…		…
1508	* Set/unset automatic wrapping	1554	* Set/unset automatic wrapping
1509	* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h	1555	* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1510	* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l	1556	* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1511	*/	1557	*/
1512	void	1558	void
1513	rxvt_term::scr_autowrap (int mode)	1559	rxvt_term::scr_autowrap (int mode) NOTHROW
1514	{	1560	{
1515	if (mode)	1561	if (mode)
1516	screen.flags |= Screen_Autowrap;	1562	screen.flags |= Screen_Autowrap;
1517	else	1563	else
1518	screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);	1564	screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
…		…
1527	* and the cursor cannot be moved outside.	1573	* and the cursor cannot be moved outside.
1528	* XTERM_SEQ: Set Absolute: ESC [ ? 6 h	1574	* XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1529	* XTERM_SEQ: Set Relative: ESC [ ? 6 l	1575	* XTERM_SEQ: Set Relative: ESC [ ? 6 l
1530	*/	1576	*/
1531	void	1577	void
1532	rxvt_term::scr_relative_origin (int mode)	1578	rxvt_term::scr_relative_origin (int mode) NOTHROW
1533	{	1579	{
1534	if (mode)	1580	if (mode)
1535	screen.flags |= Screen_Relative;	1581	screen.flags |= Screen_Relative;
1536	else	1582	else
1537	screen.flags &= ~Screen_Relative;	1583	screen.flags &= ~Screen_Relative;
…		…
1544	* Set insert/replace mode	1590	* Set insert/replace mode
1545	* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h	1591	* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1546	* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l	1592	* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1547	*/	1593	*/
1548	void	1594	void
1549	rxvt_term::scr_insert_mode (int mode)	1595	rxvt_term::scr_insert_mode (int mode) NOTHROW
1550	{	1596	{
1551	if (mode)	1597	if (mode)
1552	screen.flags |= Screen_Insert;	1598	screen.flags |= Screen_Insert;
1553	else	1599	else
1554	screen.flags &= ~Screen_Insert;	1600	screen.flags &= ~Screen_Insert;
…		…
1560	* XTERM_SEQ: Set tab at current column : ESC H	1606	* XTERM_SEQ: Set tab at current column : ESC H
1561	* XTERM_SEQ: Clear tab at current column: ESC [ 0 g	1607	* XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1562	* XTERM_SEQ: Clear all tabs : ESC [ 3 g	1608	* XTERM_SEQ: Clear all tabs : ESC [ 3 g
1563	*/	1609	*/
1564	void	1610	void
1565	rxvt_term::scr_set_tab (int mode)	1611	rxvt_term::scr_set_tab (int mode) NOTHROW
1566	{	1612	{
1567	if (mode < 0)	1613	if (mode < 0)
1568	memset (tabs, 0, ncol * sizeof (char));	1614	memset (tabs, 0, ncol * sizeof (char));
1569	else if (screen.cur.col < ncol)	1615	else if (screen.cur.col < ncol)
1570	tabs[screen.cur.col] = (mode ? 1 : 0);	1616	tabs [screen.cur.col] = !!mode;
1571	}	1617	}
1572		1618
1573	/* ------------------------------------------------------------------------- */	1619	/* ------------------------------------------------------------------------- */
1574	/*	1620	/*
1575	* Set reverse/normal video	1621	* Set reverse/normal video
1576	* XTERM_SEQ: Reverse video: ESC [ ? 5 h	1622	* XTERM_SEQ: Reverse video: ESC [ ? 5 h
1577	* XTERM_SEQ: Normal video : ESC [ ? 5 l	1623	* XTERM_SEQ: Normal video : ESC [ ? 5 l
1578	*/	1624	*/
1579	void	1625	void
1580	rxvt_term::scr_rvideo_mode (int mode)	1626	rxvt_term::scr_rvideo_mode (int mode) NOTHROW
1581	{	1627	{
1582	XGCValues gcvalue;	1628	XGCValues gcvalue;
1583		1629
1584	if (rvideo != mode)	1630	if (rvideo != mode)
1585	{	1631	{
…		…
1587	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);	1633	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1588	#if XPM_BACKGROUND	1634	#if XPM_BACKGROUND
1589	if (bgPixmap.pixmap == None)	1635	if (bgPixmap.pixmap == None)
1590	#endif	1636	#endif
1591	#if TRANSPARENT	1637	#if TRANSPARENT
1592	if (! (options & Opt_transparent) || am_transparent == 0)	1638	if (! OPTION (Opt_transparent) || am_transparent == 0)
1593	#endif	1639	#endif
1594	XSetWindowBackground (display->display, vt,	1640	XSetWindowBackground (display->display, vt,
1595	pix_colors[Color_bg]);	1641	pix_colors[Color_bg]);
1596		1642
1597	gcvalue.foreground = pix_colors[Color_fg];	1643	gcvalue.foreground = pix_colors[Color_fg];
…		…
1607	/*	1653	/*
1608	* Report current cursor position	1654	* Report current cursor position
1609	* XTERM_SEQ: Report position: ESC [ 6 n	1655	* XTERM_SEQ: Report position: ESC [ 6 n
1610	*/	1656	*/
1611	void	1657	void
1612	rxvt_term::scr_report_position ()	1658	rxvt_term::scr_report_position () NOTHROW
1613	{	1659	{
1614	tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);	1660	tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1615	}	1661	}
1616		1662
1617	/* ------------------------------------------------------------------------- *	1663	/* ------------------------------------------------------------------------- *
…		…
1620		1666
1621	/*	1667	/*
1622	* Set font style	1668	* Set font style
1623	*/	1669	*/
1624	void	1670	void
1625	rxvt_term::set_font_style ()	1671	rxvt_term::set_font_style () NOTHROW
1626	{	1672	{
		1673	#if 0
1627	switch (charsets[screen.charset])	1674	switch (charsets [screen.charset])
1628	{	1675	{
1629	case '0': /* DEC Special Character & Line Drawing Set */	1676	case '0': /* DEC Special Character & Line Drawing Set */
1630	break;	1677	break;
1631	case 'A': /* United Kingdom (UK) */	1678	case 'A': /* United Kingdom (UK) */
1632	break;	1679	break;
…		…
1639	case 'C': /* Finnish character set */	1686	case 'C': /* Finnish character set */
1640	break;	1687	break;
1641	case 'K': /* German character set */	1688	case 'K': /* German character set */
1642	break;	1689	break;
1643	}	1690	}
		1691	#endif
1644	}	1692	}
1645		1693
1646	/* ------------------------------------------------------------------------- */	1694	/* ------------------------------------------------------------------------- */
1647	/*	1695	/*
1648	* Choose a font	1696	* Choose a font
…		…
1650	* XTERM_SEQ: Invoke G1 character set: CTRL-N	1698	* XTERM_SEQ: Invoke G1 character set: CTRL-N
1651	* XTERM_SEQ: Invoke G2 character set: ESC N	1699	* XTERM_SEQ: Invoke G2 character set: ESC N
1652	* XTERM_SEQ: Invoke G3 character set: ESC O	1700	* XTERM_SEQ: Invoke G3 character set: ESC O
1653	*/	1701	*/
1654	void	1702	void
1655	rxvt_term::scr_charset_choose (int set)	1703	rxvt_term::scr_charset_choose (int set) NOTHROW
1656	{	1704	{
1657	screen.charset = set;	1705	screen.charset = set;
1658	set_font_style ();	1706	set_font_style ();
1659	}	1707	}
1660		1708
…		…
1666	* XTERM_SEQ: Set G2 character set: ESC * <C>	1714	* XTERM_SEQ: Set G2 character set: ESC * <C>
1667	* XTERM_SEQ: Set G3 character set: ESC + <C>	1715	* XTERM_SEQ: Set G3 character set: ESC + <C>
1668	* See set_font_style for possible values for <C>	1716	* See set_font_style for possible values for <C>
1669	*/	1717	*/
1670	void	1718	void
1671	rxvt_term::scr_charset_set (int set, unsigned int ch)	1719	rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW
1672	{	1720	{
1673	charsets[set] = (unsigned char)ch;	1721	charsets[set] = (unsigned char)ch;
1674	set_font_style ();	1722	set_font_style ();
1675	}	1723	}
1676		1724
…		…
1681		1729
1682	/*	1730	/*
1683	* refresh matching text.	1731	* refresh matching text.
1684	*/	1732	*/
1685	bool	1733	bool
1686	rxvt_term::scr_refresh_rend (rend_t mask, rend_t value)	1734	rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1687	{	1735	{
1688	bool found = false;	1736	bool found = false;
1689		1737
1690	for (int i = 0; i < nrow; i++)	1738	for (int i = 0; i < nrow; i++)
1691	{	1739	{
…		…
1711	PART_END,	1759	PART_END,
1712	RC_COUNT	1760	RC_COUNT
1713	};	1761	};
1714		1762
1715	void	1763	void
1716	rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh)	1764	rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1717	{	1765	{
1718	int i;	1766	int i;
1719	row_col_t rc[RC_COUNT];	1767	row_col_t rc[RC_COUNT];
1720		1768
1721	if (!drawn_buf) /* sanity check */	1769	if (!drawn_buf) /* sanity check */
…		…
1744	}	1792	}
1745		1793
1746	for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)	1794	for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1747	fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);	1795	fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1748		1796
		1797	num_scr_allow = 0;
		1798
1749	if (refresh)	1799	if (refresh)
1750	scr_refresh (SLOW_REFRESH);	1800	scr_refresh ();
1751	}	1801	}
1752		1802
1753	/* ------------------------------------------------------------------------- */	1803	/* ------------------------------------------------------------------------- */
1754	/*	1804	/*
1755	* Refresh the entire screen	1805	* Refresh the entire screen
1756	*/	1806	*/
1757	void	1807	void
1758	rxvt_term::scr_touch (bool refresh)	1808	rxvt_term::scr_touch (bool refresh) NOTHROW
1759	{	1809	{
1760	scr_expose (0, 0, width, height, refresh);	1810	scr_expose (0, 0, width, height, refresh);
1761	}	1811	}
1762		1812
1763	/* ------------------------------------------------------------------------- */	1813	/* ------------------------------------------------------------------------- */
1764	/*	1814	/*
1765	* Move the display so that the line represented by scrollbar value Y is at	1815	* Move the display so that the line represented by scrollbar value Y is at
1766	* the top of the screen	1816	* the top of the screen
1767	*/	1817	*/
1768	int	1818	void
1769	rxvt_term::scr_move_to (int y, int len)	1819	rxvt_term::scr_move_to (int y, int len) NOTHROW
1770	{	1820	{
1771	long p = 0;	1821	scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));
1772	unsigned int oldviewstart;
1773
1774	oldviewstart = view_start;
1775
1776	if (y < len)
1777	{
1778	p = (nrow + nsaved) * (len - y) / len;
1779	p -= (long) (nrow - 1);
1780	p = max (p, 0);
1781	}
1782
1783	view_start = (unsigned int)min (p, nsaved);
1784
1785	return scr_changeview (oldviewstart);
1786	}	1822	}
1787		1823
1788	/* ------------------------------------------------------------------------- */	1824	/* ------------------------------------------------------------------------- */
1789	/*	1825	/*
1790	* Page the screen up/down nlines	1826	* Page the screen up/down nlines
1791	* direction should be UP or DN	1827	* direction should be UP or DN
1792	*/	1828	*/
1793	int	1829	bool
1794	rxvt_term::scr_page (enum page_dirn direction, int nlines)	1830	rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW
1795	{	1831	{
1796	int n;	1832	int new_view_start =
1797	unsigned int oldviewstart;
1798
1799	oldviewstart = view_start;
1800
1801	if (direction == UP)
1802	{
1803	n = view_start + nlines;
1804	view_start = min (n, nsaved);
1805	}
1806	else
1807	{
1808	n = view_start - nlines;	1833	direction == UP ? view_start - nlines
1809	view_start = max (n, 0);	1834	: view_start + nlines;
1810	}
1811		1835
1812	return scr_changeview (oldviewstart);	1836	return scr_changeview (new_view_start);
1813	}	1837	}
1814		1838
1815	int	1839	bool
1816	rxvt_term::scr_changeview (unsigned int oldviewstart)	1840	rxvt_term::scr_changeview (int new_view_start) NOTHROW
1817	{	1841	{
		1842	clamp_it (new_view_start, top_row, 0);
		1843
1818	if (view_start != oldviewstart)	1844	if (new_view_start == view_start)
1819	{	1845	return false;
		1846
		1847	num_scr += new_view_start - view_start;
		1848	view_start = new_view_start;
1820	want_refresh = 1;	1849	want_refresh = 1;
1821	num_scr -= (view_start - oldviewstart);
1822	}
1823		1850
1824	return (int) (view_start - oldviewstart);	1851	HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1825	}
1826		1852
		1853	return true;
		1854	}
		1855
1827	/* ------------------------------------------------------------------------- */	1856	/* ------------------------------------------------------------------------- */
1828	void	1857	void
1829	rxvt_term::scr_bell ()	1858	rxvt_term::scr_bell () NOTHROW
1830	{	1859	{
1831	#ifndef NO_BELL	1860	#ifndef NO_BELL
1832		1861
1833	# ifndef NO_MAPALERT	1862	# ifndef NO_MAPALERT
1834	# ifdef MAPALERT_OPTION	1863	# ifdef MAPALERT_OPTION
1835	if (options & Opt_mapAlert)	1864	if (OPTION (Opt_mapAlert))
1836	# endif	1865	# endif
1837	XMapWindow (display->display, parent[0]);	1866	XMapWindow (display->display, parent[0]);
1838	# endif	1867	# endif
1839		1868
1840	if (options & Opt_visualBell)	1869	if (OPTION (Opt_visualBell))
1841	{	1870	{
1842	scr_rvideo_mode (!rvideo); /* refresh also done */	1871	scr_rvideo_mode (!rvideo); /* refresh also done */
		1872	display->flush ();
1843	rxvt_usleep (VISUAL_BELL_DURATION);	1873	rxvt_usleep (VISUAL_BELL_DURATION);
1844	scr_rvideo_mode (!rvideo); /* refresh also done */	1874	scr_rvideo_mode (!rvideo); /* refresh also done */
1845	}	1875	}
1846	else	1876	else
1847	XBell (display->display, 0);	1877	XBell (display->display, 0);
…		…
1850	}	1880	}
1851		1881
1852	/* ------------------------------------------------------------------------- */	1882	/* ------------------------------------------------------------------------- */
1853	/* ARGSUSED */	1883	/* ARGSUSED */
1854	void	1884	void
1855	rxvt_term::scr_printscreen (int fullhist)	1885	rxvt_term::scr_printscreen (int fullhist) NOTHROW
1856	{	1886	{
1857	#ifdef PRINTPIPE	1887	#ifdef PRINTPIPE
1858	int nrows, row_start;	1888	int nrows, row_start;
1859	FILE *fd;	1889	FILE *fd;
1860		1890
1861	if ((fd = popen_printer ()) == NULL)	1891	if ((fd = popen_printer ()) == NULL)
1862	return;	1892	return;
1863		1893
1864	if (fullhist)	1894	if (fullhist)
1865	{	1895	{
1866	nrows = nrow + nsaved;	1896	nrows = nrow - top_row;
1867	row_start = -nsaved;	1897	row_start = top_row;
1868	}	1898	}
1869	else	1899	else
1870	{	1900	{
1871	nrows = nrow;	1901	nrows = nrow;
1872	row_start = -view_start;	1902	row_start = view_start;
1873	}	1903	}
1874		1904
1875	wctomb (0, 0);	1905	wctomb (0, 0);
1876		1906
1877	for (int r1 = 0; r1 < nrows; r1++)	1907	for (int r1 = 0; r1 < nrows; r1++)
…		…
1909	* Refresh the screen	1939	* Refresh the screen
1910	* drawn_text/drawn_rend contain the screen information before the update.	1940	* drawn_text/drawn_rend contain the screen information before the update.
1911	* screen.text/screen.rend contain what the screen will change to.	1941	* screen.text/screen.rend contain what the screen will change to.
1912	*/	1942	*/
1913	void	1943	void
1914	rxvt_term::scr_refresh (unsigned char refresh_type)	1944	rxvt_term::scr_refresh () NOTHROW
1915	{	1945	{
1916	unsigned char must_clear, /* use draw_string not draw_image_string */	1946	unsigned char must_clear, /* use draw_string not draw_image_string */
1917	showcursor; /* show the cursor */	1947	showcursor; /* show the cursor */
1918	int16_t col, row, /* column/row we're processing */	1948	int16_t col, row, /* column/row we're processing */
1919	ocrow; /* old cursor row */	1949	ocrow; /* old cursor row */
…		…
1936		1966
1937	#if XPM_BACKGROUND	1967	#if XPM_BACKGROUND
1938	must_clear |= bgPixmap.pixmap != None;	1968	must_clear |= bgPixmap.pixmap != None;
1939	#endif	1969	#endif
1940	#if TRANSPARENT	1970	#if TRANSPARENT
1941	must_clear |= (options & Opt_transparent) && am_transparent;	1971	must_clear |= OPTION (Opt_transparent) && am_transparent;
1942	#endif	1972	#endif
1943	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */	1973	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1944		1974
1945	/*	1975	/*
1946	* B: reverse any characters which are selected	1976	* B: reverse any characters which are selected
…		…
1970		2000
1971	crp = &ROW(screen.cur.row).r[col];	2001	crp = &ROW(screen.cur.row).r[col];
1972		2002
1973	if (showcursor && focus)	2003	if (showcursor && focus)
1974	{	2004	{
1975	if (options & Opt_cursorUnderline)	2005	if (OPTION (Opt_cursorUnderline))
1976	*crp ^= RS_Uline;	2006	*crp ^= RS_Uline;
1977	else	2007	else
1978	{	2008	{
1979	*crp ^= RS_RVid;	2009	*crp ^= RS_RVid;
1980		2010
…		…
1982	cc1 = *crp & (RS_fgMask | RS_bgMask);	2012	cc1 = *crp & (RS_fgMask | RS_bgMask);
1983	if (ISSET_PIXCOLOR (Color_cursor))	2013	if (ISSET_PIXCOLOR (Color_cursor))
1984	ccol1 = Color_cursor;	2014	ccol1 = Color_cursor;
1985	else	2015	else
1986	#ifdef CURSOR_COLOR_IS_RENDITION_COLOR	2016	#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1987	ccol1 = GET_FGCOLOR (rstyle);	2017	ccol1 = fgcolor_of (rstyle);
1988	#else	2018	#else
1989	ccol1 = Color_fg;	2019	ccol1 = Color_fg;
1990	#endif	2020	#endif
1991	if (ISSET_PIXCOLOR (Color_cursor2))	2021	if (ISSET_PIXCOLOR (Color_cursor2))
1992	ccol2 = Color_cursor2;	2022	ccol2 = Color_cursor2;
1993	else	2023	else
1994	#ifdef CURSOR_COLOR_IS_RENDITION_COLOR	2024	#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1995	ccol2 = GET_BGCOLOR (rstyle);	2025	ccol2 = bgcolor_of (rstyle);
1996	#else	2026	#else
1997	ccol2 = Color_bg;	2027	ccol2 = Color_bg;
1998	#endif	2028	#endif
1999	*crp = SET_FGCOLOR (*crp, ccol1);	2029	*crp = SET_FGCOLOR (*crp, ccol1);
2000	*crp = SET_BGCOLOR (*crp, ccol2);	2030	*crp = SET_BGCOLOR (*crp, ccol2);
…		…
2005		2035
2006	/* make sure no outline cursor is left around */	2036	/* make sure no outline cursor is left around */
2007	setoldcursor = 0;	2037	setoldcursor = 0;
2008	if (ocrow != -1)	2038	if (ocrow != -1)
2009	{	2039	{
2010	if (screen.cur.row + view_start != ocrow	2040	if (screen.cur.row - view_start != ocrow
2011	|| screen.cur.col != oldcursor.col)	2041	|| screen.cur.col != oldcursor.col)
2012	{	2042	{
2013	if (ocrow < nrow	2043	if (ocrow < nrow
2014	&& oldcursor.col < ncol)	2044	&& oldcursor.col < ncol)
2015	drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);	2045	drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
…		…
2023	else if (!focus)	2053	else if (!focus)
2024	setoldcursor = 1;	2054	setoldcursor = 1;
2025		2055
2026	if (setoldcursor)	2056	if (setoldcursor)
2027	{	2057	{
2028	if (screen.cur.row + view_start >= nrow)	2058	if (screen.cur.row - view_start >= nrow)
2029	oldcursor.row = -1;	2059	oldcursor.row = -1;
2030	else	2060	else
2031	{	2061	{
2032	oldcursor.row = screen.cur.row + view_start;	2062	oldcursor.row = screen.cur.row - view_start;
2033	oldcursor.col = screen.cur.col;	2063	oldcursor.col = screen.cur.col;
2034	}	2064	}
2035	}	2065	}
2036	}	2066	}
2037		2067
		2068	HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2038	#if ENABLE_OVERLAY	2069	#if ENABLE_OVERLAY
2039	scr_swap_overlay ();	2070	scr_swap_overlay ();
2040	#endif	2071	#endif
2041		2072
2042	#ifndef NO_SLOW_LINK_SUPPORT	2073	#ifndef NO_SLOW_LINK_SUPPORT
2043	/*	2074	/*
2044	* D: CopyArea pass - very useful for slower links	2075	* D: CopyArea pass - very useful for slower links
2045	* This has been deliberately kept simple.	2076	* This has been deliberately kept simple.
2046	*/	2077	*/
2047	i = num_scr;
2048	if (!display->is_local	2078	if (!display->is_local
2049	&& refresh_type == FAST_REFRESH && num_scr_allow && num_scr	2079	&& refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2050	&& abs (num_scr) < nrow && !must_clear)	2080	&& abs (num_scr) < nrow && !must_clear)
2051	{	2081	{
2052	int16_t nits;	2082	int16_t nits;
2053	int j;	2083	int j;
2054	int len, wlen;	2084	int len, wlen;
		2085	dLocal (int, num_scr);
2055		2086
2056	j = nrow;	2087	j = nrow;
2057	wlen = len = -1;	2088	wlen = len = -1;
2058	row = i > 0 ? 0 : j - 1;	2089	row = i > 0 ? 0 : j - 1;
2059	for (; j-- >= 0; row += (i > 0 ? 1 : -1))	2090	for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2060	{	2091	{
2061	if (row + i >= 0 && row + i < nrow && row + i != ocrow)	2092	if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2062	{	2093	{
2063	line_t s = ROW(row - view_start);	2094	line_t s = ROW(view_start + row);
2064	line_t d = drawn_buf[row];	2095	line_t d = drawn_buf[row];
2065	line_t d2 = drawn_buf[row + i];	2096	line_t d2 = drawn_buf[row + i];
2066		2097
2067	for (nits = 0, col = ncol; col--; )	2098	for (nits = 0, col = ncol; col--; )
2068	if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])	2099	if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
…		…
2092	if (wlen < len)	2123	if (wlen < len)
2093	::swap (wlen, len);	2124	::swap (wlen, len);
2094		2125
2095	XCopyArea (display->display, vt, vt,	2126	XCopyArea (display->display, vt, vt,
2096	gc, 0, Row2Pixel (len + i),	2127	gc, 0, Row2Pixel (len + i),
2097	(unsigned int)TermWin_TotalWidth (),	2128	(unsigned int)this->width,
2098	(unsigned int)Height2Pixel (wlen - len + 1),	2129	(unsigned int)Height2Pixel (wlen - len + 1),
2099	0, Row2Pixel (len));	2130	0, Row2Pixel (len));
2100	len = -1;	2131	len = -1;
2101	}	2132	}
2102	}	2133	}
…		…
2106	/*	2137	/*
2107	* E: main pass across every character	2138	* E: main pass across every character
2108	*/	2139	*/
2109	for (row = 0; row < nrow; row++)	2140	for (row = 0; row < nrow; row++)
2110	{	2141	{
2111	text_t *stp = ROW(row - view_start).t;	2142	text_t *stp = ROW(view_start + row).t;
2112	rend_t *srp = ROW(row - view_start).r;	2143	rend_t *srp = ROW(view_start + row).r;
2113	text_t *dtp = drawn_buf[row].t;	2144	text_t *dtp = drawn_buf[row].t;
2114	rend_t *drp = drawn_buf[row].r;	2145	rend_t *drp = drawn_buf[row].r;
2115		2146
2116	/*	2147	/*
2117	* E2: OK, now the real pass	2148	* E2: OK, now the real pass
…		…
2181	count++, i--;	2212	count++, i--;
2182		2213
2183	/*	2214	/*
2184	* Determine the attributes for the string	2215	* Determine the attributes for the string
2185	*/	2216	*/
2186	int fore = GET_FGCOLOR (rend); // desired foreground	2217	int fore = fgcolor_of (rend); // desired foreground
2187	int back = GET_BGCOLOR (rend); // desired background	2218	int back = bgcolor_of (rend); // desired background
2188		2219
2189	// only do special processing if any attributes are set, which is rare	2220	// only do special processing if any attributes are set, which is unlikely
2190	if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful))	2221	if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful))
2191	{	2222	{
2192	#if ENABLE_STYLES	2223	#if ENABLE_STYLES
2193	// force redraw after "careful" characters to avoid pixel droppings	2224	// force redraw after "careful" characters to avoid pixel droppings
2194	if (srp[col] & RS_Careful && col < ncol - 1 && 0)	2225	if (srp[col] & RS_Careful && col < ncol - 1 && 0)
…		…
2305	} /* for (row....) */	2336	} /* for (row....) */
2306		2337
2307	#if ENABLE_OVERLAY	2338	#if ENABLE_OVERLAY
2308	scr_swap_overlay ();	2339	scr_swap_overlay ();
2309	#endif	2340	#endif
		2341	HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2310		2342
2311	/*	2343	/*
2312	* G: cleanup cursor and display outline cursor if necessary	2344	* G: cleanup cursor and display outline cursor if necessary
2313	*/	2345	*/
2314	if (showcursor)	2346	if (showcursor)
2315	{	2347	{
2316	if (focus)	2348	if (focus)
2317	{	2349	{
2318	if (options & Opt_cursorUnderline)	2350	if (OPTION (Opt_cursorUnderline))
2319	*crp ^= RS_Uline;	2351	*crp ^= RS_Uline;
2320	else	2352	else
2321	{	2353	{
2322	*crp ^= RS_RVid;	2354	*crp ^= RS_RVid;
2323	#ifndef NO_CURSORCOLOR	2355	#ifndef NO_CURSORCOLOR
…		…
2353	/*	2385	/*
2354	* H: cleanup selection	2386	* H: cleanup selection
2355	*/	2387	*/
2356	scr_reverse_selection ();	2388	scr_reverse_selection ();
2357		2389
2358	if (refresh_type & SMOOTH_REFRESH)
2359	XFlush (display->display);
2360
2361	num_scr = 0;	2390	num_scr = 0;
2362	num_scr_allow = 1;	2391	num_scr_allow = 1;
2363	}	2392	}
2364		2393
2365	void	2394	void
2366	rxvt_term::scr_remap_chars (const line_t &l)	2395	rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2367	{	2396	{
2368	if (!l.t)	2397	if (!l.t)
2369	return;	2398	return;
2370		2399
		2400	l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
		2401
2371	for (int i = ncol; i--; )	2402	for (int i = ncol; i--; )
2372	l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));	2403	l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2373	}	2404	}
2374		2405
2375	void	2406	void
2376	rxvt_term::scr_remap_chars ()	2407	rxvt_term::scr_remap_chars () NOTHROW
2377	{	2408	{
2378	for (int i = total_rows; i--; )	2409	for (int i = total_rows; i--; )
2379	scr_remap_chars (row_buf [i]);	2410	scr_remap_chars (row_buf [i]);
2380		2411
2381	for (int i = nrow; i--; )	2412	for (int i = nrow; i--; )
…		…
2384	scr_remap_chars (swap_buf [i]);	2415	scr_remap_chars (swap_buf [i]);
2385	}	2416	}
2386	}	2417	}
2387		2418
2388	void	2419	void
2389	rxvt_term::scr_recolour ()	2420	rxvt_term::scr_recolour () NOTHROW
2390	{	2421	{
2391	if (1	2422	if (1
2392	#if TRANSPARENT	2423	#if TRANSPARENT
2393	&& !am_transparent	2424	&& !am_transparent
2394	#endif	2425	#endif
…		…
2415	want_refresh = 1;	2446	want_refresh = 1;
2416	}	2447	}
2417		2448
2418	/* ------------------------------------------------------------------------- */	2449	/* ------------------------------------------------------------------------- */
2419	void	2450	void
2420	rxvt_term::scr_clear (bool really)	2451	rxvt_term::scr_clear (bool really) NOTHROW
2421	{	2452	{
2422	if (!mapped)	2453	if (!mapped)
2423	return;	2454	return;
2424		2455
2425	num_scr_allow = 0;	2456	num_scr_allow = 0;
…		…
2427		2458
2428	if (really)	2459	if (really)
2429	XClearWindow (display->display, vt);	2460	XClearWindow (display->display, vt);
2430	}	2461	}
2431		2462
2432	/* ------------------------------------------------------------------------- */
2433	void	2463	void
		2464	rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW
		2465	{
		2466	int view_end = view_start + nrow;
		2467	int row, col;
		2468
		2469	for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
		2470	{
		2471	text_t *stp = ROW(row).t;
		2472	rend_t *srp = ROW(row).r;
		2473
		2474	for (col = beg_col; col < end_col; col++)
		2475	srp[col] ^= rstyle1;
		2476
		2477	while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
		2478	srp[col] ^= rstyle2;
		2479
		2480	if (++col < end_col)
		2481	srp[col] ^= rstyle2;
		2482	}
		2483	}
		2484
		2485	void
		2486	rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW
		2487	{
		2488	int view_end = view_start + nrow;
		2489	int row, col;
		2490
		2491	if (beg_row >= view_start)
		2492	{
		2493	col = beg_col;
		2494	row = beg_row;
		2495	}
		2496	else
		2497	{
		2498	col = 0;
		2499	row = view_start;
		2500	}
		2501
		2502	for (; row < min (end_row, view_end); row++, col = 0)
		2503	for (rend_t *srp = ROW(row).r; col < ncol; col++)
		2504	srp[col] ^= rstyle;
		2505
		2506	if (row == end_row)
		2507	for (rend_t *srp = ROW(row).r; col < end_col; col++)
		2508	srp[col] ^= rstyle;
		2509	}
		2510
		2511	/* ------------------------------------------------------------------------- */
		2512	void
2434	rxvt_term::scr_reverse_selection ()	2513	rxvt_term::scr_reverse_selection () NOTHROW
2435	{	2514	{
2436	if (selection.op	2515	if (selection.op
2437	&& current_screen == selection.screen	2516	&& current_screen == selection.screen
2438	&& selection.end.row >= -view_start)	2517	&& selection.end.row >= view_start)
2439	{	2518	{
2440	int view_end = -view_start + nrow;
2441	int row, col;
2442
2443	#if ENABLE_FRILLS	2519	#if ENABLE_FRILLS
2444	if (selection.rect)	2520	if (selection.rect)
2445	{	2521	scr_xor_rect (selection.beg.row, selection.beg.col,
2446	for (row = max (selection.beg.row, -view_start); row <= min (selection.end.row, view_end); row++)	2522	selection.end.row, selection.end.col,
2447	for (rend_t *srp = ROW(row).r, col = selection.beg.col; col < selection.end.col; col++)	2523	RS_RVid, RS_RVid | RS_Uline);
2448	srp[col] ^= RS_RVid;
2449	}
2450	else	2524	else
2451	#endif	2525	#endif
2452	{	2526	scr_xor_span (selection.beg.row, selection.beg.col,
2453	if (selection.beg.row >= -view_start)	2527	selection.end.row, selection.end.col,
2454	{	2528	RS_RVid);
2455	col = selection.beg.col;
2456	row = selection.beg.row;
2457	}
2458	else
2459	{
2460	col = 0;
2461	row = view_start;
2462	}
2463
2464	for (; row < min (selection.end.row, view_end); row++, col = 0)
2465	for (rend_t *srp = ROW(row).r; col < ncol; col++)
2466	srp[col] ^= RS_RVid;
2467
2468	if (row == selection.end.row)
2469	for (rend_t *srp = ROW(row).r; col < selection.end.col; col++)
2470	srp[col] ^= RS_RVid;
2471	}
2472	}	2529	}
2473	}	2530	}
2474		2531
2475	/* ------------------------------------------------------------------------- */	2532	/* ------------------------------------------------------------------------- */
2476	/*	2533	/*
2477	* Dump the whole scrollback and screen to the passed filedescriptor. The	2534	* Dump the whole scrollback and screen to the passed filedescriptor. The
2478	* invoking routine must close the fd.	2535	* invoking routine must close the fd.
2479	*/	2536	*/
2480	#if 0	2537	#if 0
2481	void	2538	void
2482	rxvt_term::scr_dump (int fd)	2539	rxvt_term::scr_dump (int fd) NOTHROW
2483	{	2540	{
2484	int row, wrote;	2541	int row, wrote;
2485	unsigned int width, towrite;	2542	unsigned int width, towrite;
2486	char r1[] = "\n";	2543	char r1[] = "\n";
2487		2544
…		…
2506		2563
2507	/* ------------------------------------------------------------------------- *	2564	/* ------------------------------------------------------------------------- *
2508	* CHARACTER SELECTION *	2565	* CHARACTER SELECTION *
2509	* ------------------------------------------------------------------------- */	2566	* ------------------------------------------------------------------------- */
2510	void	2567	void
2511	rxvt_term::selection_check (int check_more)	2568	rxvt_term::selection_check (int check_more) NOTHROW
2512	{	2569	{
2513	row_col_t pos;	2570	row_col_t pos;
2514		2571
2515	if (!selection.op)	2572	if (!selection.op)
2516	return;	2573	return;
2517		2574
2518	pos.row = pos.col = 0;	2575	pos.row = pos.col = 0;
2519	if (!IN_RANGE_EXC (selection.beg.row, -nsaved, nrow)	2576	if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2520	|| !IN_RANGE_EXC (selection.mark.row, -nsaved, nrow)	2577	|| !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2521	|| !IN_RANGE_EXC (selection.end.row, -nsaved, nrow)	2578	|| !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2522	|| (check_more == 1	2579	|| (check_more == 1
2523	&& current_screen == selection.screen	2580	&& current_screen == selection.screen
2524	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)	2581	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2525	&& ROWCOL_IS_BEFORE (screen.cur, selection.end))	2582	&& ROWCOL_IS_BEFORE (screen.cur, selection.end))
2526	|| (check_more == 2	2583	|| (check_more == 2
…		…
2537	/* ------------------------------------------------------------------------- */	2594	/* ------------------------------------------------------------------------- */
2538	/*	2595	/*
2539	* Paste a selection direct to the command fd	2596	* Paste a selection direct to the command fd
2540	*/	2597	*/
2541	void	2598	void
2542	rxvt_term::paste (unsigned char *data, unsigned int len)	2599	rxvt_term::paste (char *data, unsigned int len) NOTHROW
2543	{	2600	{
2544	/* convert normal newline chars into common keyboard Return key sequence */	2601	/* convert normal newline chars into common keyboard Return key sequence */
2545	for (unsigned int i = 0; i < len; i++)	2602	for (unsigned int i = 0; i < len; i++)
2546	if (data[i] == C0_LF)	2603	if (data[i] == C0_LF)
2547	data[i] = C0_CR;	2604	data[i] = C0_CR;
…		…
2553	/*	2610	/*
2554	* Respond to a notification that a primary selection has been sent	2611	* Respond to a notification that a primary selection has been sent
2555	* EXT: SelectionNotify	2612	* EXT: SelectionNotify
2556	*/	2613	*/
2557	void	2614	void
2558	rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop)	2615	rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW
2559	{	2616	{
2560	if (prop == None) /* check for failed XConvertSelection */	2617	if (prop == None) /* check for failed XConvertSelection */
2561	{	2618	{
2562	if ((selection_type & Sel_CompoundText))	2619	if ((selection_type & Sel_CompoundText))
2563	{	2620	{
…		…
2691	{	2748	{
2692	wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);	2749	wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2693	char *s = rxvt_wcstombs (w);	2750	char *s = rxvt_wcstombs (w);
2694	free (w);	2751	free (w);
2695	// TODO: strlen == only the first element will be converted. well...	2752	// TODO: strlen == only the first element will be converted. well...
2696	paste ((unsigned char *)s, strlen (s));	2753	paste (s, strlen (s));
2697	free (s);	2754	free (s);
2698	}	2755	}
2699	else	2756	else
2700	#endif	2757	#endif
2701	if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0	2758	if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0
2702	&& cl)	2759	&& cl)
2703	{	2760	{
2704	for (int i = 0; i < cr; i++)	2761	for (int i = 0; i < cr; i++)
2705	paste ((unsigned char *)cl[i], strlen (cl[i]));	2762	paste (cl[i], strlen (cl[i]));
2706		2763
2707	XFreeStringList (cl);	2764	XFreeStringList (cl);
2708	}	2765	}
2709	else	2766	else
2710	paste (ct.value, ct.nitems); // paste raw	2767	paste ((char *)ct.value, ct.nitems); // paste raw
2711		2768
2712	bailout:	2769	bailout:
2713	XFree (ct.value);	2770	XFree (ct.value);
2714		2771
2715	if (selection_wait == Sel_normal)	2772	if (selection_wait == Sel_normal)
2716	selection_wait = Sel_none;	2773	selection_wait = Sel_none;
2717	}	2774	}
2718		2775
2719	void	2776	void
2720	rxvt_term::incr_cb (time_watcher &w)	2777	rxvt_term::incr_cb (time_watcher &w) NOTHROW
2721	{	2778	{
2722	selection_wait = Sel_none;	2779	selection_wait = Sel_none;
2723		2780
2724	incr_buf_size = 0;	2781	incr_buf_size = 0;
2725	free (incr_buf);	2782	free (incr_buf);
2726		2783
2727	rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");	2784	rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2728	}	2785	}
2729		2786
2730	void	2787	void
2731	rxvt_term::selection_property (Window win, Atom prop)	2788	rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2732	{	2789	{
2733	if (prop == None || selection_wait != Sel_incr)	2790	if (prop == None || selection_wait != Sel_incr)
2734	return;	2791	return;
2735		2792
2736	selection_paste (win, prop, true);	2793	selection_paste (win, prop, true);
…		…
2745	* (+) if ownership is claimed but property is empty, rxvt_selection_paste ()	2802	* (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2746	* will auto fallback to CUT_BUFFER0	2803	* will auto fallback to CUT_BUFFER0
2747	* EXT: button 2 release	2804	* EXT: button 2 release
2748	*/	2805	*/
2749	void	2806	void
2750	rxvt_term::selection_request (Time tm, int x, int y)	2807	rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2751	{	2808	{
2752	if (x < 0 || x >= width || y < 0 || y >= height)	2809	if (selection.text && selnum == Sel_Primary)
2753	return; /* outside window */
2754
2755	if (selection.text)
2756	{ /* internal selection */	2810	{ /* internal selection */
2757	char *str = rxvt_wcstombs (selection.text, selection.len);	2811	char *str = rxvt_wcstombs (selection.text, selection.len);
2758	paste ((unsigned char *)str, strlen (str));	2812	paste (str, strlen (str));
2759	free (str);	2813	free (str);
2760	return;	2814	return;
2761	}	2815	}
2762	else	2816	else
2763	{	2817	{
2764	int i;
2765
2766	selection_request_time = tm;	2818	selection_request_time = tm;
2767	selection_wait = Sel_normal;	2819	selection_wait = Sel_normal;
2768		2820
2769	for (i = Sel_Primary; i <= Sel_Clipboard; i++)
2770	{
2771	#if X_HAVE_UTF8_STRING	2821	#if X_HAVE_UTF8_STRING
2772	selection_type = Sel_UTF8String;	2822	selection_type = Sel_UTF8String;
2773	if (selection_request_other (xa[XA_UTF8_STRING], i))	2823	if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2774	return;	2824	return;
2775	#else	2825	#else
2776	selection_type = Sel_CompoundText;	2826	selection_type = Sel_CompoundText;
2777	if (selection_request_other (xa[XA_COMPOUND_TEXT], i))	2827	if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2778	return;	2828	return;
2779	#endif	2829	#endif
2780	}
2781	}	2830	}
2782		2831
2783	selection_wait = Sel_none; /* don't loop in selection_paste () */	2832	selection_wait = Sel_none; /* don't loop in selection_paste () */
2784	selection_paste (display->root, XA_CUT_BUFFER0, false);	2833	selection_paste (display->root, XA_CUT_BUFFER0, false);
2785	}	2834	}
2786		2835
2787	int	2836	int
2788	rxvt_term::selection_request_other (Atom target, int selnum)	2837	rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2789	{	2838	{
2790	Atom sel;	2839	Atom sel;
2791		2840
2792	selection_type |= selnum;	2841	selection_type |= selnum;
2793		2842
…		…
2812	/*	2861	/*
2813	* Clear all selected text	2862	* Clear all selected text
2814	* EXT: SelectionClear	2863	* EXT: SelectionClear
2815	*/	2864	*/
2816	void	2865	void
2817	rxvt_term::selection_clear ()	2866	rxvt_term::selection_clear () NOTHROW
2818	{	2867	{
2819	want_refresh = 1;	2868	want_refresh = 1;
2820	free (selection.text);	2869	free (selection.text);
2821	selection.text = NULL;	2870	selection.text = NULL;
2822	selection.len = 0;	2871	selection.len = 0;
…		…
2855	selection.op = SELECTION_DONE;	2904	selection.op = SELECTION_DONE;
2856		2905
2857	if (selection.clicks == 4)	2906	if (selection.clicks == 4)
2858	return; /* nothing selected, go away */	2907	return; /* nothing selected, go away */
2859		2908
		2909	if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
		2910	return;
		2911
2860	i = (selection.end.row - selection.beg.row + 1) * (ncol + 1);	2912	i = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2861	new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));	2913	new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));
2862		2914
2863	int ofs = 0;	2915	int ofs = 0;
2864	int extra = 0;	2916	int extra = 0;
…		…
2876	col = selection.beg.col;	2928	col = selection.beg.col;
2877	end_col = ncol + 1;	2929	end_col = ncol + 1;
2878	}	2930	}
2879	else	2931	else
2880	#endif	2932	#endif
2881	end_col = ROW(row).is_longer () ? ncol : ROW(row).l; //TODO//FIXME//LEN	2933	end_col = ROW(row).l;
2882		2934
2883	col = max (col, 0);	2935	col = max (col, 0);
2884		2936
2885	if (row == selection.end.row || selection.rect)	2937	if (row == selection.end.row
		2938	#if ENABLE_FRILLS
		2939	|| selection.rect
		2940	#endif
		2941	)
2886	end_col = min (end_col, selection.end.col);	2942	min_it (end_col, selection.end.col);
2887		2943
2888	t = ROW(row).t + col;	2944	t = ROW(row).t + col;
		2945
2889	for (; col < end_col; col++)	2946	for (; col < end_col; col++)
2890	{	2947	{
2891	if (*t == NOCHAR)	2948	if (*t == NOCHAR)
2892	t++;	2949	t++;
2893	#if ENABLE_COMBINING	2950	#if ENABLE_COMBINING
…		…
2909	#endif	2966	#endif
2910	else	2967	else
2911	new_selection_text[ofs++] = *t++;	2968	new_selection_text[ofs++] = *t++;
2912	}	2969	}
2913		2970
		2971	#if ENABLE_FRILLS
		2972	if (selection.rect)
		2973	{
		2974	while (ofs
		2975	&& new_selection_text[ofs - 1] != C0_LF
		2976	&& unicode::is_space (new_selection_text[ofs - 1]))
		2977	--ofs;
		2978
		2979	new_selection_text[ofs++] = C0_LF;
		2980	}
		2981	else
		2982	#endif
2914	if (!ROW(row).is_longer () && row != selection.end.row)	2983	if (!ROW(row).is_longer () && row != selection.end.row)
2915	new_selection_text[ofs++] = C0_LF;	2984	new_selection_text[ofs++] = C0_LF;
2916	}	2985	}
2917		2986
2918	if (end_col != selection.end.col)	2987	if (end_col != selection.end.col)
2919	new_selection_text[ofs++] = C0_LF;	2988	new_selection_text[ofs++] = C0_LF;
2920		2989
…		…
2930		2999
2931	// we usually allocate much more than necessary, so realloc it smaller again	3000	// we usually allocate much more than necessary, so realloc it smaller again
2932	selection.len = ofs;	3001	selection.len = ofs;
2933	selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));	3002	selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2934		3003
		3004	if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
		3005	return;
		3006
		3007	selection_grab (tm);
		3008	}
		3009
		3010	bool
		3011	rxvt_term::selection_grab (Time tm) NOTHROW
		3012	{
		3013	selection_time = tm;
		3014
2935	XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm);	3015	XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm);
2936	if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt)	3016	if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt)
		3017	{
2937	display->set_selection_owner (this);	3018	display->set_selection_owner (this);
		3019	return true;
		3020	}
2938	else	3021	else
2939	rxvt_warn ("can't get primary selection, ignoring.\n");	3022	{
		3023	selection_clear ();
		3024	return false;
		3025	}
2940		3026
2941	#if 0	3027	#if 0
2942	XTextProperty ct;	3028	XTextProperty ct;
2943		3029
2944	if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)	3030	if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)
2945	{	3031	{
2946	set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);	3032	set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2947	XFree (ct.value);	3033	XFree (ct.value);
2948	}	3034	}
2949	#endif	3035	#endif
2950
2951	selection_time = tm;
2952	}	3036	}
2953		3037
2954	/* ------------------------------------------------------------------------- */	3038	/* ------------------------------------------------------------------------- */
2955	/*	3039	/*
2956	* Mark or select text based upon number of clicks: 1, 2, or 3	3040	* Mark or select text based upon number of clicks: 1, 2, or 3
2957	* EXT: button 1 press	3041	* EXT: button 1 press
2958	*/	3042	*/
2959	void	3043	void
2960	rxvt_term::selection_click (int clicks, int x, int y)	3044	rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
2961	{	3045	{
2962	clicks = ((clicks - 1) % 3) + 1;	3046	clicks = ((clicks - 1) % 3) + 1;
2963	selection.clicks = clicks; /* save clicks so extend will work */	3047	selection.clicks = clicks; /* save clicks so extend will work */
2964		3048
		3049	if (clicks == 2 && !selection.rect
		3050	&& HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
		3051	{
		3052	MEvent.clicks = 1; // what a mess
		3053	selection.screen = current_screen;
		3054	selection.op = SELECTION_CONT;
		3055	return;
		3056	}
		3057
2965	selection_start_colrow (Pixel2Col (x), Pixel2Row (y));	3058	selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2966		3059
2967	if (clicks == 2 || clicks == 3)	3060	if (clicks == 2 || clicks == 3)
2968	selection_extend_colrow (selection.mark.col,	3061	selection_extend_colrow (selection.mark.col,
2969	selection.mark.row + view_start,	3062	selection.mark.row - view_start,
2970	0, /* button 3 */	3063	0, /* button 3 */
2971	1, /* button press */	3064	1, /* button press */
2972	0); /* click change */	3065	0); /* click change */
2973	}	3066	}
2974		3067
2975	/* ------------------------------------------------------------------------- */	3068	/* ------------------------------------------------------------------------- */
2976	/*	3069	/*
2977	* Mark a selection at the specified col/row	3070	* Mark a selection at the specified col/row
2978	*/	3071	*/
2979	void	3072	void
2980	rxvt_term::selection_start_colrow (int col, int row)	3073	rxvt_term::selection_start_colrow (int col, int row) NOTHROW
2981	{	3074	{
2982	want_refresh = 1;	3075	want_refresh = 1;
2983		3076
2984	selection.mark.row = row - view_start;	3077	selection.mark.row = row + view_start;
2985	selection.mark.col = col;	3078	selection.mark.col = col;
2986		3079
2987	selection.mark.row = clamp (selection.mark.row, -nsaved, nrow - 1);	3080	selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
2988	selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);	3081	selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
2989		3082
2990	while (selection.mark.col > 0	3083	while (selection.mark.col > 0
2991	&& ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)	3084	&& ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
2992	--selection.mark.col;	3085	--selection.mark.col;
…		…
3011	#define DELIMIT_TEXT(x) \	3104	#define DELIMIT_TEXT(x) \
3012	(unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))	3105	(unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3013	#define DELIMIT_REND(x) 1	3106	#define DELIMIT_REND(x) 1
3014		3107
3015	void	3108	void
3016	rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret)	3109	rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
3017	{	3110	{
3018	int col, row, dirnadd, tcol, trow, w1, w2;	3111	int col, row, dirnadd, tcol, trow, w1, w2;
3019	row_col_t bound;	3112	row_col_t bound;
3020	text_t *stp;	3113	text_t *stp;
3021	rend_t *srp;	3114	rend_t *srp;
3022		3115
3023	if (dirn == UP)	3116	if (dirn == UP)
3024	{	3117	{
3025	bound.row = - nsaved - 1;	3118	bound.row = top_row - 1;
3026	bound.col = 0;	3119	bound.col = 0;
3027	dirnadd = -1;	3120	dirnadd = -1;
3028	}	3121	}
3029	else	3122	else
3030	{	3123	{
…		…
3078	}	3171	}
3079	}	3172	}
3080	break;	3173	break;
3081	}	3174	}
3082		3175
3083	Old_Word_Selection_You_Die:
3084	if (dirn == DN)	3176	if (dirn == DN)
3085	col++; /* put us on one past the end */	3177	col++; /* put us on one past the end */
3086		3178
3087	/* Poke the values back in */	3179	/* Poke the values back in */
3088	ret->row = row;	3180	ret->row = row;
…		…
3096	* flag == 0 ==> button 1	3188	* flag == 0 ==> button 1
3097	* flag == 1 ==> button 3 press	3189	* flag == 1 ==> button 3 press
3098	* flag == 2 ==> button 3 motion	3190	* flag == 2 ==> button 3 motion
3099	*/	3191	*/
3100	void	3192	void
3101	rxvt_term::selection_extend (int x, int y, int flag)	3193	rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
3102	{	3194	{
3103	int col = clamp (Pixel2Col (x), 0, ncol);	3195	int col = clamp (Pixel2Col (x), 0, ncol);
3104	int row = clamp (Pixel2Row (y), 0, nrow - 1);	3196	int row = clamp (Pixel2Row (y), 0, nrow - 1);
3105		3197
3106	/*	3198	/*
…		…
3109	* select nothing. Otherwise, if we're to the right of the mark, you have to	3201	* select nothing. Otherwise, if we're to the right of the mark, you have to
3110	* be _past_ a character for it to be selected.	3202	* be _past_ a character for it to be selected.
3111	*/	3203	*/
3112	if (((selection.clicks % 3) == 1) && !flag	3204	if (((selection.clicks % 3) == 1) && !flag
3113	&& (col == selection.mark.col	3205	&& (col == selection.mark.col
3114	&& (row == selection.mark.row + view_start)))	3206	&& (row == selection.mark.row - view_start)))
3115	{	3207	{
3116	/* select nothing */	3208	/* select nothing */
3117	selection.beg.row = selection.end.row = 0;	3209	selection.beg.row = selection.end.row = 0;
3118	selection.beg.col = selection.end.col = 0;	3210	selection.beg.col = selection.end.col = 0;
3119	selection.clicks = 4;	3211	selection.clicks = 4;
…		…
3132	/* ------------------------------------------------------------------------- */	3224	/* ------------------------------------------------------------------------- */
3133	/*	3225	/*
3134	* Extend the selection to the specified col/row	3226	* Extend the selection to the specified col/row
3135	*/	3227	*/
3136	void	3228	void
3137	rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange)	3229	rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
3138	{	3230	{
3139	row_col_t pos;	3231	row_col_t pos;
3140	enum {	3232	enum {
3141	LEFT, RIGHT	3233	LEFT, RIGHT
3142	} closeto = RIGHT;	3234	} closeto = RIGHT;
…		…
3174	selection.beg.col = selection.end.col = selection.mark.col;	3266	selection.beg.col = selection.end.col = selection.mark.col;
3175	selection.beg.row = selection.end.row = selection.mark.row;	3267	selection.beg.row = selection.end.row = selection.mark.row;
3176	}	3268	}
3177		3269
3178	pos.col = col;	3270	pos.col = col;
3179	pos.row = row - view_start;	3271	pos.row = view_start + row;
3180		3272
3181	/*	3273	/*
3182	* This is mainly xterm style selection with a couple of differences, mainly	3274	* This is mainly xterm style selection with a couple of differences, mainly
3183	* in the way button3 drag extension works.	3275	* in the way button3 drag extension works.
3184	* We're either doing: button1 drag; button3 press; or button3 drag	3276	* We're either doing: button1 drag; button3 press; or button3 drag
…		…
3271	selection_delimit_word (DN, &selection.end, &selection.end);	3363	selection_delimit_word (DN, &selection.end, &selection.end);
3272	}	3364	}
3273	else if (selection.clicks == 3)	3365	else if (selection.clicks == 3)
3274	{	3366	{
3275	#if ENABLE_FRILLS	3367	#if ENABLE_FRILLS
3276	if (options & Opt_tripleclickwords)	3368	if (OPTION (Opt_tripleclickwords))
3277	{	3369	{
3278	selection_delimit_word (UP, &selection.beg, &selection.beg);	3370	selection_delimit_word (UP, &selection.beg, &selection.beg);
3279		3371
3280	for (int end_row = selection.mark.row; end_row < nrow; end_row++)	3372	for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3281	{	3373	{
…		…
3328	#endif	3420	#endif
3329	}	3421	}
3330		3422
3331	#if ENABLE_FRILLS	3423	#if ENABLE_FRILLS
3332	void	3424	void
3333	rxvt_term::selection_remove_trailing_spaces ()	3425	rxvt_term::selection_remove_trailing_spaces () NOTHROW
3334	{	3426	{
3335	int32_t end_col, end_row;	3427	int32_t end_col, end_row;
3336	text_t *stp;	3428	text_t *stp;
3337		3429
3338	end_col = selection.end.col;	3430	end_col = selection.end.col;
…		…
3342	{	3434	{
3343	stp = ROW(end_row).t;	3435	stp = ROW(end_row).t;
3344		3436
3345	while (--end_col >= 0)	3437	while (--end_col >= 0)
3346	{	3438	{
3347	if (stp[end_col] != ' '	3439	if (stp[end_col] != NOCHAR
3348	&& stp[end_col] != '\t'	3440	&& !unicode::is_space (stp[end_col]))
3349	&& stp[end_col] != NOCHAR)
3350	break;	3441	break;
3351	}	3442	}
3352		3443
3353	if (end_col >= 0	3444	if (end_col >= 0
3354	|| !ROW(end_row - 1).is_longer ())	3445	|| !ROW(end_row - 1).is_longer ())
…		…
3377	/*	3468	/*
3378	* Double click on button 3 when already selected	3469	* Double click on button 3 when already selected
3379	* EXT: button 3 double click	3470	* EXT: button 3 double click
3380	*/	3471	*/
3381	void	3472	void
3382	rxvt_term::selection_rotate (int x, int y)	3473	rxvt_term::selection_rotate (int x, int y) NOTHROW
3383	{	3474	{
3384	selection.clicks = selection.clicks % 3 + 1;	3475	selection.clicks = selection.clicks % 3 + 1;
3385	selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);	3476	selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3386	}	3477	}
3387		3478
…		…
3389	/*	3480	/*
3390	* Respond to a request for our current selection	3481	* Respond to a request for our current selection
3391	* EXT: SelectionRequest	3482	* EXT: SelectionRequest
3392	*/	3483	*/
3393	void	3484	void
3394	rxvt_term::selection_send (const XSelectionRequestEvent &rq)	3485	rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3395	{	3486	{
3396	XSelectionEvent ev;	3487	XSelectionEvent ev;
3397	dDisp;	3488	dDisp;
3398		3489
3399	ev.type = SelectionNotify;	3490	ev.type = SelectionNotify;
…		…
3527		3618
3528	/*	3619	/*
3529	* return col/row values corresponding to x/y pixel values	3620	* return col/row values corresponding to x/y pixel values
3530	*/	3621	*/
3531	void	3622	void
3532	rxvt_term::pixel_position (int *x, int *y)	3623	rxvt_term::pixel_position (int *x, int *y) NOTHROW
3533	{	3624	{
3534	*x = Pixel2Col (*x);	3625	*x = Pixel2Col (*x);
3535	/* max_it (*x, 0); min_it (*x, (int)ncol - 1); */	3626	/* max_it (*x, 0); min_it (*x, (int)ncol - 1); */
3536	*y = Pixel2Row (*y);	3627	*y = Pixel2Row (*y);
3537	/* max_it (*y, 0); min_it (*y, (int)nrow - 1); */	3628	/* max_it (*y, 0); min_it (*y, (int)nrow - 1); */
3538	}	3629	}
3539		3630
3540	/* ------------------------------------------------------------------------- */	3631	/* ------------------------------------------------------------------------- */
3541	#ifdef USE_XIM	3632	#ifdef USE_XIM
3542	void	3633	void
3543	rxvt_term::im_set_position (XPoint &pos)	3634	rxvt_term::im_set_position (XPoint &pos) NOTHROW
3544	{	3635	{
3545	XWindowAttributes xwa;	3636	XWindowAttributes xwa;
3546		3637
3547	XGetWindowAttributes (display->display, vt, &xwa);	3638	XGetWindowAttributes (display->display, vt, &xwa);
3548		3639
…		…
3551	}	3642	}
3552	#endif	3643	#endif
3553		3644
3554	#if ENABLE_OVERLAY	3645	#if ENABLE_OVERLAY
3555	void	3646	void
3556	rxvt_term::scr_overlay_new (int x, int y, int w, int h)	3647	rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW
3557	{	3648	{
3558	if (nrow < 3 || ncol < 3)	3649	if (nrow < 1 || ncol < 1)
3559	return;	3650	return;
3560		3651
3561	want_refresh = 1;	3652	want_refresh = 1;
3562		3653
3563	scr_overlay_off ();	3654	scr_overlay_off ();
…		…
3606	*rp = r;	3697	*rp = r;
3607	}	3698	}
3608	}	3699	}
3609		3700
3610	void	3701	void
3611	rxvt_term::scr_overlay_off ()	3702	rxvt_term::scr_overlay_off () NOTHROW
3612	{	3703	{
3613	if (!ov_text)	3704	if (!ov_text)
3614	return;	3705	return;
3615		3706
3616	want_refresh = 1;	3707	want_refresh = 1;
…		…
3624	delete [] ov_text; ov_text = 0;	3715	delete [] ov_text; ov_text = 0;
3625	delete [] ov_rend; ov_rend = 0;	3716	delete [] ov_rend; ov_rend = 0;
3626	}	3717	}
3627		3718
3628	void	3719	void
3629	rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend)	3720	rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3630	{	3721	{
3631	if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2)	3722	if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2)
3632	return;	3723	return;
3633		3724
3634	x++, y++;	3725	x++, y++;
…		…
3636	ov_text[y][x] = text;	3727	ov_text[y][x] = text;
3637	ov_rend[y][x] = rend;	3728	ov_rend[y][x] = rend;
3638	}	3729	}
3639		3730
3640	void	3731	void
3641	rxvt_term::scr_overlay_set (int x, int y, const char *s)	3732	rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3642	{	3733	{
3643	while (*s)	3734	while (*s)
3644	scr_overlay_set (x++, y, *s++);	3735	scr_overlay_set (x++, y, *s++);
3645	}	3736	}
3646		3737
3647	void	3738	void
3648	rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s)	3739	rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW
3649	{	3740	{
3650	while (*s)	3741	while (*s)
3651	{	3742	{
3652	text_t t = *s++;	3743	text_t t = *s++;
3653	int width = wcwidth (t);	3744	int width = wcwidth (t);
…		…
3659	}	3750	}
3660	}	3751	}
3661	}	3752	}
3662		3753
3663	void	3754	void
3664	rxvt_term::scr_swap_overlay ()	3755	rxvt_term::scr_swap_overlay () NOTHROW
3665	{	3756	{
3666	if (!ov_text)	3757	if (!ov_text)
3667	return;	3758	return;
3668		3759
3669	// swap screen mem with overlay	3760	// swap screen mem with overlay
3670	for (int y = ov_h; y--; )	3761	for (int y = ov_h; y--; )
3671	{	3762	{
3672	text_t *t1 = ov_text[y];	3763	text_t *t1 = ov_text[y];
3673	rend_t *r1 = ov_rend[y];	3764	rend_t *r1 = ov_rend[y];
3674		3765
3675	text_t *t2 = ROW(y - view_start).t + ov_x;	3766	text_t *t2 = ROW(y + ov_y + view_start).t + ov_x;
3676	rend_t *r2 = ROW(y - view_start).r + ov_x;	3767	rend_t *r2 = ROW(y + ov_y + view_start).r + ov_x;
3677		3768
3678	for (int x = ov_w; x--; )	3769	for (int x = ov_w; x--; )
3679	{	3770	{
3680	text_t t = *t1; *t1++ = *t2; *t2++ = t;	3771	text_t t = *t1; *t1++ = *t2; *t2++ = t;
3681	rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));	3772	rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));

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