ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.192 by root, Thu Dec 22 19:25:58 2005 UTC vs.
Revision 1.246 by root, Sat Jan 21 14:25:05 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 ();	239	rvideo_state = rvideo_mode = false;
236	rvideo = 0;
237	}	240	}
238	else	241	else
239	{	242	{
240	/*	243	/*
241	* add or delete rows as appropriate	244	* add or delete rows as appropriate
…		…
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;
…		…
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	}
359	while (p != pend && q > 0);	369	while (p != pend && q > 0);
360		370
361	term_start = total_rows - nrow;	371	term_start = total_rows - nrow;
362	nsaved = term_start - q;	372	top_row = q - term_start;
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
…		…
385	}	394	}
386		395
387	term_start = 0;	396	term_start = 0;
388	}	397	}
389		398
390	#ifdef DEBUG_STRICT
391	for (int i = -nsaved; i < nrow; i++)
392	assert (ROW (i).t);
393	#endif
394
395	free (old_buf);	399	free (old_buf);
396	delete old_ta;	400	delete old_ta;
397	delete old_ra;	401	delete old_ra;
398		402
399	clamp_it (screen.cur.row, 0, nrow - 1);	403	clamp_it (screen.cur.row, 0, nrow - 1);
…		…
401		405
402	if (tabs)	406	if (tabs)
403	free (tabs);	407	free (tabs);
404	}	408	}
405		409
		410	CLEAR_ALL_SELECTION ();
		411
406	prev_nrow = nrow;	412	prev_nrow = nrow;
407	prev_ncol = ncol;	413	prev_ncol = ncol;
408		414
409	tabs = (char *)rxvt_malloc (ncol * sizeof (char));	415	tabs = (char *)rxvt_malloc (ncol * sizeof (char));
410		416
411	for (int col = ncol; col--; )	417	for (int col = ncol; col--; )
412	tabs [col] = col % TABSIZE == 0;	418	tabs [col] = col % TABSIZE == 0;
413		419
414	tt_winch ();	420	tt_winch ();
		421
		422	HOOK_INVOKE ((this, HOOK_RESET, DT_END));
415	}	423	}
416		424
417	/* ------------------------------------------------------------------------- */	425	/* ------------------------------------------------------------------------- */
418	/*	426	/*
419	* Free everything. That way malloc debugging can find leakage.	427	* Free everything. That way malloc debugging can find leakage.
420	*/	428	*/
421	void	429	void
422	rxvt_term::scr_release ()	430	rxvt_term::scr_release () NOTHROW
423	{	431	{
424	delete talloc; talloc = 0;	432	delete talloc; talloc = 0;
425	delete ralloc; ralloc = 0;	433	delete ralloc; ralloc = 0;
426		434
427	free (row_buf);	435	free (row_buf);
428	free (swap_buf);	436	free (swap_buf);
429	free (drawn_buf);	437	free (drawn_buf);
430	free (temp_buf);
431	free (tabs);	438	free (tabs);
432		439
433	row_buf = 0; // signal that we freed all the arrays	440	row_buf = 0; // signal that we freed all the arrays
434	}	441	}
435		442
436	/* ------------------------------------------------------------------------- */	443	/* ------------------------------------------------------------------------- */
437	/*	444	/*
438	* Hard reset	445	* Hard reset
439	*/	446	*/
440	void	447	void
441	rxvt_term::scr_poweron ()	448	rxvt_term::scr_poweron () NOTHROW
442	{	449	{
443	scr_release ();	450	scr_release ();
444	prev_nrow = prev_ncol = 0;	451	prev_nrow = prev_ncol = 0;
445	scr_reset ();	452	scr_reset ();
446		453
447	scr_clear (true);	454	scr_clear (true);
448	scr_refresh (SLOW_REFRESH);	455	scr_refresh ();
449	}	456	}
450		457
451	/* ------------------------------------------------------------------------- *	458	/* ------------------------------------------------------------------------- *
452	* PROCESS SCREEN COMMANDS *	459	* PROCESS SCREEN COMMANDS *
453	* ------------------------------------------------------------------------- */	460	* ------------------------------------------------------------------------- */
…		…
455	* Save and Restore cursor	462	* Save and Restore cursor
456	* XTERM_SEQ: Save cursor : ESC 7	463	* XTERM_SEQ: Save cursor : ESC 7
457	* XTERM_SEQ: Restore cursor: ESC 8	464	* XTERM_SEQ: Restore cursor: ESC 8
458	*/	465	*/
459	void	466	void
460	rxvt_term::scr_cursor (int mode)	467	rxvt_term::scr_cursor (cursor_mode mode) NOTHROW
461	{	468	{
462	screen_t *s;	469	screen_t *s;
463		470
464	#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)	471	#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
465	if (current_screen == SECONDARY)	472	if (current_screen == SECONDARY)
…		…
504	* Swap between primary and secondary screens	511	* Swap between primary and secondary screens
505	* XTERM_SEQ: Primary screen : ESC [ ? 4 7 h	512	* XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
506	* XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l	513	* XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
507	*/	514	*/
508	int	515	int
509	rxvt_term::scr_change_screen (int scrn)	516	rxvt_term::scr_change_screen (int scrn) NOTHROW
510	{	517	{
511	want_refresh = 1;	518	want_refresh = 1;
512	view_start = 0;	519	view_start = 0;
513		520
514	if (current_screen == scrn)	521	if (current_screen == scrn)
…		…
523		530
524	screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);	531	screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
525	screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);	532	screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
526		533
527	#if NSCREENS	534	#if NSCREENS
528	if (options & Opt_secondaryScreen)	535	if (OPTION (Opt_secondaryScreen))
529	{	536	{
530	num_scr = 0;	537	num_scr = 0;
531		538
532	for (int i = prev_nrow; i--; )	539	for (int i = prev_nrow; i--; )
533	::swap (ROW(i), swap_buf [i]);	540	::swap (ROW(i), swap_buf [i]);
…		…
537	screen.flags |= Screen_VisibleCursor;	544	screen.flags |= Screen_VisibleCursor;
538	swap.flags |= Screen_VisibleCursor;	545	swap.flags |= Screen_VisibleCursor;
539	}	546	}
540	else	547	else
541	#endif	548	#endif
542	if (options & Opt_secondaryScroll)	549	if (OPTION (Opt_secondaryScroll))
543	scr_scroll_text (0, prev_nrow - 1, prev_nrow);	550	scr_scroll_text (0, prev_nrow - 1, prev_nrow);
544		551
545	return scrn;	552	return scrn;
546	}	553	}
547		554
548	// clear WrapNext indicator, solidifying position on next line	555	// clear WrapNext indicator, solidifying position on next line
549	void	556	void
550	rxvt_term::scr_do_wrap ()	557	rxvt_term::scr_do_wrap () NOTHROW
551	{	558	{
552	if (!(screen.flags & Screen_WrapNext))	559	if (!(screen.flags & Screen_WrapNext))
553	return;	560	return;
554		561
555	screen.flags &= ~Screen_WrapNext;	562	screen.flags &= ~Screen_WrapNext;
…		…
565	/* ------------------------------------------------------------------------- */	572	/* ------------------------------------------------------------------------- */
566	/*	573	/*
567	* Change the colour for following text	574	* Change the colour for following text
568	*/	575	*/
569	void	576	void
570	rxvt_term::scr_color (unsigned int color, int fgbg)	577	rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW
571	{	578	{
572	if (color > maxTermCOLOR)	579	if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
573	color = fgbg;	580	color = fgbg;
574		581
575	if (fgbg == Color_fg)	582	if (fgbg == Color_fg)
576	rstyle = SET_FGCOLOR (rstyle, color);	583	rstyle = SET_FGCOLOR (rstyle, color);
577	else	584	else
…		…
581	/* ------------------------------------------------------------------------- */	588	/* ------------------------------------------------------------------------- */
582	/*	589	/*
583	* Change the rendition style for following text	590	* Change the rendition style for following text
584	*/	591	*/
585	void	592	void
586	rxvt_term::scr_rendition (int set, int style)	593	rxvt_term::scr_rendition (int set, int style) NOTHROW
587	{	594	{
588	if (set)	595	if (set)
589	rstyle |= style;	596	rstyle |= style;
590	else if (style == ~RS_None)	597	else if (style == ~RS_None)
591	rstyle = DEFAULT_RSTYLE;	598	rstyle = DEFAULT_RSTYLE;
…		…
598	* Scroll text between <row1> and <row2> inclusive, by <count> lines	605	* Scroll text between <row1> and <row2> inclusive, by <count> lines
599	* count positive ==> scroll up	606	* count positive ==> scroll up
600	* count negative ==> scroll down	607	* count negative ==> scroll down
601	*/	608	*/
602	int	609	int
603	rxvt_term::scr_scroll_text (int row1, int row2, int count)	610	rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
604	{	611	{
605	if (count == 0 || (row1 > row2))	612	if (count == 0 || (row1 > row2))
606	return 0;	613	return 0;
607		614
608	want_refresh = 1;	615	want_refresh = 1;
609	num_scr += count;	616	num_scr += count;
610		617
611	if (count > 0	618	if (count > 0
612	&& row1 == 0	619	&& row1 == 0
613	&& row2 == nrow - 1
614	&& (current_screen == PRIMARY || options & Opt_secondaryScroll))	620	&& (current_screen == PRIMARY || OPTION (Opt_secondaryScroll)))
615	{	621	{
616	nsaved = min (nsaved + count, saveLines);	622	top_row = max (top_row - count, -saveLines);
		623
		624	// scroll everything up 'count' lines
617	term_start = (term_start + count) % total_rows;	625	term_start = (term_start + count) % total_rows;
618		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
619	if (selection.op && current_screen == selection.screen)	660	if (selection.op && current_screen == selection.screen)
620	{	661	{
621	selection.beg.row -= count;	662	selection.beg.row -= count;
622	selection.end.row -= count;	663	selection.end.row -= count;
623	selection.mark.row -= count;	664	selection.mark.row -= count;
624		665
625	selection_check (0);	666	if (selection.beg.row < top_row
626	}	667	|| selection.end.row < top_row
627		668	|| selection.mark.row < top_row)
628	for (int i = count; i--; )
629	scr_blank_screen_mem (ROW(row2 - i), rstyle);
630
631	if ((options & Opt_scrollWithBuffer)
632	&& view_start != 0
633	&& view_start != saveLines)
634	scr_page (UP, count);
635	}
636	else
637	{
638	if (selection.op && current_screen == selection.screen)
639	{
640	int i = selection.beg.row;
641	int j = selection.end.row;
642
643	if ((i < row1 && j > row1)
644	|| (i < row2 && j > row2)
645	|| (i - count < row1 && i >= row1)
646	|| (i - count > row2 && i <= row2)
647	|| (j - count < row1 && j >= row1)
648	|| (j - count > row2 && j <= row2))
649	{	669	{
650	CLEAR_ALL_SELECTION ();	670	CLEAR_ALL_SELECTION ();
651	selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */	671	selection.op = SELECTION_CLEAR;
652	}	672	}
653	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)
654	{	699	{
655	/* move selected region too */	700	/* move selected region too */
656	selection.beg.row -= count;	701	selection.beg.row -= count;
657	selection.end.row -= count;	702	selection.end.row -= count;
658	selection.mark.row -= count;	703	selection.mark.row -= count;
…		…
666		711
667	int rows = row2 - row1 + 1;	712	int rows = row2 - row1 + 1;
668		713
669	min_it (count, rows);	714	min_it (count, rows);
670		715
		716	line_t *temp_buf = row_buf + total_rows;
		717
671	for (int row = 0; row < rows; row++)	718	for (int row = 0; row < rows; row++)
672	{	719	{
673	temp_buf [row] = ROW(row1 + (row + count + rows) % rows);	720	temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
674		721
675	if (!IN_RANGE_EXC (row + count, 0, rows))	722	if (!IN_RANGE_EXC (row + count, 0, rows))
…		…
686	/* ------------------------------------------------------------------------- */	733	/* ------------------------------------------------------------------------- */
687	/*	734	/*
688	* Add text given in <str> of length <len> to screen struct	735	* Add text given in <str> of length <len> to screen struct
689	*/	736	*/
690	void	737	void
691	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
692	{	739	{
693	if (len <= 0) /* sanity */	740	if (len <= 0) /* sanity */
694	return;	741	return;
695		742
696	unsigned char checksel;	743	unsigned char checksel;
697	unicode_t c;	744	unicode_t c;
698	int row, last_col;	745	int ncol = this->ncol;
699	const unicode_t *strend = str + len;	746	const wchar_t *strend = str + len;
700		747
701	want_refresh = 1;	748	want_refresh = 1;
702	ZERO_SCROLLBACK ();	749	ZERO_SCROLLBACK ();
703	last_col = ncol;
704		750
705	if (nlines > 0)	751	if (minlines > 0)
706	{	752	{
707	nlines += screen.cur.row - screen.bscroll;	753	minlines += screen.cur.row - screen.bscroll;
		754
708	if (nlines > 0	755	if (minlines > 0
709	&& screen.tscroll == 0	756	&& screen.tscroll == 0
710	&& screen.bscroll == (nrow - 1))	757	&& screen.bscroll == nrow - 1)
711	{	758	{
712	/* _at least_ this many lines need to be scrolled */	759	/* _at least_ this many lines need to be scrolled */
713	scr_scroll_text (screen.tscroll, screen.bscroll, nlines);	760	scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
714	screen.cur.row -= nlines;	761	screen.cur.row -= minlines;
715	}	762	}
716	}	763	}
717		764
718	#ifdef DEBUG_STRICT	765	#ifdef DEBUG_STRICT
719	assert (screen.cur.col < last_col);	766	assert (screen.cur.col < ncol);
720	assert (screen.cur.row < nrow	767	assert (screen.cur.row < nrow
721	&& screen.cur.row >= -nsaved);	768	&& screen.cur.row >= top_row);
722	#endif	769	#endif
723	row = screen.cur.row;	770	int row = screen.cur.row;
724		771
725	checksel = selection.op && current_screen == selection.screen ? 1 : 0;	772	checksel = selection.op && current_screen == selection.screen ? 1 : 0;
726		773
727	line_t *line = &ROW(row);	774	line_t *line = &ROW(row);
728		775
729	while (str < strend)	776	while (str < strend)
730	{	777	{
731	c = *str++;	778	c = (unicode_t)*str++; // convert to rxvt-unicodes representation
732		779
733	if (c < 0x20)	780	if (c < 0x20)
734	if (c == C0_LF)	781	if (c == C0_LF)
735	{	782	{
736	if (!line->is_longer ()) /* XXX: think about this */
737	max_it (line->l, screen.cur.col);	783	max_it (line->l, screen.cur.col);
738		784
739	screen.flags &= ~Screen_WrapNext;	785	screen.flags &= ~Screen_WrapNext;
740		786
741	if (screen.cur.row == screen.bscroll)	787	if (screen.cur.row == screen.bscroll)
742	scr_scroll_text (screen.tscroll, screen.bscroll, 1);	788	scr_scroll_text (screen.tscroll, screen.bscroll, 1);
…		…
746	line = &ROW(row); /* _must_ refresh */	792	line = &ROW(row); /* _must_ refresh */
747	continue;	793	continue;
748	}	794	}
749	else if (c == C0_CR)	795	else if (c == C0_CR)
750	{	796	{
751	if (!line->is_longer ()) /* XXX: think about this */
752	max_it (line->l, screen.cur.col);	797	max_it (line->l, screen.cur.col);
753		798
754	screen.flags &= ~Screen_WrapNext;	799	screen.flags &= ~Screen_WrapNext;
755	screen.cur.col = 0;	800	screen.cur.col = 0;
756	continue;	801	continue;
757	}	802	}
…		…
774	CLEAR_SELECTION ();	819	CLEAR_SELECTION ();
775	}	820	}
776		821
777	if (screen.flags & Screen_WrapNext)	822	if (screen.flags & Screen_WrapNext)
778	{	823	{
779	line->set_is_longer ();
780
781	scr_do_wrap ();	824	scr_do_wrap ();
782		825
		826	line->l = ncol;
		827	line->is_longer (1);
		828
783	row = screen.cur.row;	829	row = screen.cur.row;
784	line = &ROW(row); /* _must_ refresh */	830	line = &ROW(row); /* _must_ refresh */
785	}	831	}
786		832
787	// some utf-8 decoders "decode" surrogate characters: let's fix this.	833	// some utf-8 decoders "decode" surrogate characters: let's fix this.
…		…
792	// do wcwidth before further replacements, as wcwidth might return -1	838	// do wcwidth before further replacements, as wcwidth might return -1
793	// 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
794	// locale.	840	// locale.
795	int width = c < 0x100 ? 1 : wcwidth (c);	841	int width = c < 0x100 ? 1 : wcwidth (c);
796		842
797	if (charsets[screen.charset] == '0') // DEC SPECIAL	843	if (charsets [screen.charset] == '0') // DEC SPECIAL
798	{	844	{
799	// vt100 special graphics and line drawing	845	// vt100 special graphics and line drawing
800	// 5f-7e standard vt100	846	// 5f-7e standard vt100
801	// 40-5e rxvt extension for extra curses acs chars	847	// 40-5e rxvt extension for extra curses acs chars
802	static uint16_t vt100_0[62] = { // 41 .. 7e	848	static uint16_t vt100_0[62] = { // 41 .. 7e
…		…
854	}	900	}
855		901
856	rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));	902	rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
857		903
858	// if the character doesn't fit into the remaining columns...	904	// if the character doesn't fit into the remaining columns...
859	if (screen.cur.col > last_col - width && last_col >= width)	905	if (screen.cur.col > ncol - width && ncol >= width)
860	{	906	{
861	// ...output spaces	907	// ...output spaces
862	c = ' ';	908	c = ' ';
863	// and try the same character next loop iteration	909	// and try the same character next loop iteration
864	--str;	910	--str;
865	}	911	}
866		912
		913	line->touch ();
		914
867	do	915	do
868	{	916	{
869	line->t[screen.cur.col] = c;	917	line->t[screen.cur.col] = c;
870	line->r[screen.cur.col] = rend;	918	line->r[screen.cur.col] = rend;
871		919
872	if (screen.cur.col < last_col - 1)	920	if (screen.cur.col < ncol - 1)
873	screen.cur.col++;	921	screen.cur.col++;
874	else	922	else
875	{	923	{
876	line->l = last_col;	924	line->l = ncol;
877	if (screen.flags & Screen_Autowrap)	925	if (screen.flags & Screen_Autowrap)
878	screen.flags |= Screen_WrapNext;	926	screen.flags |= Screen_WrapNext;
879	break;	927	break;
880	}	928	}
881		929
…		…
883	}	931	}
884	while (--width > 0);	932	while (--width > 0);
885		933
886	// pad with spaces when overwriting wide character with smaller one	934	// pad with spaces when overwriting wide character with smaller one
887	if (!width)	935	if (!width)
		936	{
		937	line->touch ();
		938
888	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++)
889	{	940	{
890	line->t[c] = ' ';	941	line->t[c] = ' ';
891	line->r[c] = rend;	942	line->r[c] = rend;
892	}	943	}
		944	}
893	}	945	}
894	else // width == 0	946	else // width == 0
895	{	947	{
896	#if ENABLE_COMBINING	948	#if ENABLE_COMBINING
897	// handle combining characters	949	// handle combining characters
898	// we just tag the accent on the previous on-screen character.	950	// we just tag the accent on the previous on-screen character.
899	// this is arguably not correct, but also arguably not wrong.	951	// this is arguably not correct, but also arguably not wrong.
900	// we don't handle double-width characters nicely yet.	952	// we don't handle double-width characters nicely yet.
		953	line_t *linep;
901	text_t *tp;	954	text_t *tp;
902	rend_t *rp;	955	rend_t *rp;
903		956
904	if (screen.cur.col > 0)	957	if (screen.cur.col > 0)
905	{	958	{
		959	linep = line;
906	tp = line->t + screen.cur.col - 1;	960	tp = line->t + screen.cur.col - 1;
907	rp = line->r + screen.cur.col - 1;	961	rp = line->r + screen.cur.col - 1;
908
909	while (*tp == NOCHAR && tp > line->t)
910	tp--, rp--;
911	}	962	}
912	else if (screen.cur.row > 0	963	else if (screen.cur.row > 0
913	&& ROW(screen.cur.row - 1).is_longer ())	964	&& ROW(screen.cur.row - 1).is_longer ())
914	{	965	{
915	line_t *line = &ROW(screen.cur.row - 1);	966	linep = &ROW(screen.cur.row - 1);
916
917	tp = line->t + last_col - 1;	967	tp = line->t + ncol - 1;
918	rp = line->r + last_col - 1;	968	rp = line->r + ncol - 1;
919
920	while (*tp == NOCHAR && tp > line->t)
921	tp--, rp--;
922	}	969	}
923	else	970	else
924	continue;	971	continue;
		972
		973	linep->touch ();
		974
		975	while (*tp == NOCHAR && tp > linep->t)
		976	tp--, rp--;
925		977
926	// first try to find a precomposed character	978	// first try to find a precomposed character
927	unicode_t n = rxvt_compose (*tp, c);	979	unicode_t n = rxvt_compose (*tp, c);
928	if (n == NOCHAR)	980	if (n == NOCHAR)
929	n = rxvt_composite.compose (*tp, c);	981	n = rxvt_composite.compose (*tp, c);
…		…
932	*rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));	984	*rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
933	#endif	985	#endif
934	}	986	}
935	}	987	}
936		988
937	if (!line->is_longer ()) /* XXX: think about this */
938	max_it (line->l, screen.cur.col);	989	max_it (line->l, screen.cur.col);
939		990
940	#ifdef DEBUG_STRICT	991	#ifdef DEBUG_STRICT
941	assert (screen.cur.row >= 0);	992	assert (screen.cur.row >= 0);
942	#endif	993	#endif
943	}	994	}
…		…
946	/*	997	/*
947	* 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
948	* XTERM_SEQ: CTRL-H	999	* XTERM_SEQ: CTRL-H
949	*/	1000	*/
950	void	1001	void
951	rxvt_term::scr_backspace ()	1002	rxvt_term::scr_backspace () NOTHROW
952	{	1003	{
953	want_refresh = 1;	1004	want_refresh = 1;
954		1005
955	if (screen.cur.col == 0)	1006	if (screen.cur.col == 0)
956	{	1007	{
…		…
974	* Process Horizontal Tab	1025	* Process Horizontal Tab
975	* count: +ve = forward; -ve = backwards	1026	* count: +ve = forward; -ve = backwards
976	* XTERM_SEQ: CTRL-I	1027	* XTERM_SEQ: CTRL-I
977	*/	1028	*/
978	void	1029	void
979	rxvt_term::scr_tab (int count, bool ht)	1030	rxvt_term::scr_tab (int count, bool ht) NOTHROW
980	{	1031	{
981	int i, x;	1032	int i, x;
982		1033
983	want_refresh = 1;	1034	want_refresh = 1;
984	i = x = screen.cur.col;	1035	i = x = screen.cur.col;
985		1036
986	if (count == 0)	1037	if (count == 0)
987	return;	1038	return;
988	else if (count > 0)	1039	else if (count > 0)
989	{	1040	{
990	int row = screen.cur.row;
991
992	line_t &l = ROW(row);	1041	line_t &l = ROW(screen.cur.row);
993	rend_t base_rend = l.r[i];	1042	rend_t base_rend = l.r[i];
994	ht &= l.t[i] == ' ';	1043	ht &= l.t[i] == ' ';
995		1044
996	for (; ++i < ncol; )	1045	for (; ++i < ncol; )
997	if (tabs[i])	1046	if (tabs[i])
998	{	1047	{
999	x = i;	1048	x = i;
		1049
1000	if (!--count)	1050	if (!--count)
1001	break;	1051	break;
1002	}	1052	}
1003	else	1053	else
1004	ht &= l.t[i] == ' '	1054	ht &= l.t[i] == ' '
…		…
1007	if (count)	1057	if (count)
1008	x = ncol - 1;	1058	x = ncol - 1;
1009		1059
1010	// store horizontal tab commands as characters inside the text	1060	// store horizontal tab commands as characters inside the text
1011	// buffer so they can be selected and pasted.	1061	// buffer so they can be selected and pasted.
1012	if (ht && options & Opt_pastableTabs)	1062	if (ht && OPTION (Opt_pastableTabs))
1013	{	1063	{
1014	base_rend = SET_FONT (base_rend, 0);	1064	base_rend = SET_FONT (base_rend, 0);
1015		1065
1016	if (!l.is_longer ()) /* XXX: think about this */	1066	l.touch (x);
1017	max_it (l.l, x);
1018		1067
1019	i = screen.cur.col;	1068	i = screen.cur.col;
1020		1069
1021	l.t[i] = '\t';	1070	l.t[i] = '\t';
1022	l.r[i] = base_rend;	1071	l.r[i] = base_rend;
…		…
1053	* 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
1054	* in that row right. Clear left column.	1103	* in that row right. Clear left column.
1055	*/	1104	*/
1056	#if ENABLE_FRILLS	1105	#if ENABLE_FRILLS
1057	void	1106	void
1058	rxvt_term::scr_backindex ()	1107	rxvt_term::scr_backindex () NOTHROW
1059	{	1108	{
1060	if (screen.cur.col > 0)	1109	if (screen.cur.col > 0)
1061	scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);	1110	scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1062	else	1111	else
1063	scr_insdel_chars (1, INSERT);	1112	scr_insdel_chars (1, INSERT);
…		…
1070	* 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
1071	* in that row left. Clear right column.	1120	* in that row left. Clear right column.
1072	*/	1121	*/
1073	#if ENABLE_FRILLS	1122	#if ENABLE_FRILLS
1074	void	1123	void
1075	rxvt_term::scr_forwardindex ()	1124	rxvt_term::scr_forwardindex () NOTHROW
1076	{	1125	{
1077	int row;
1078
1079	if (screen.cur.col < ncol - 1)	1126	if (screen.cur.col < ncol - 1)
1080	scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);	1127	scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1081	else	1128	else
1082	{	1129	{
1083	row = screen.cur.row;	1130	line_t &l = ROW(screen.cur.row);
1084		1131
1085	if (ROW(row).is_longer ()) //TODO//FIXME//LEN	1132	l.touch ();
1086	ROW(row).l = ncol;	1133	l.is_longer (0);
1087		1134
1088	scr_gotorc (0, 0, R_RELATIVE);	1135	scr_gotorc (0, 0, R_RELATIVE);
1089	scr_insdel_chars (1, DELETE);	1136	scr_insdel_chars (1, DELETE);
1090	scr_gotorc (0, ncol - 1, R_RELATIVE);	1137	scr_gotorc (0, ncol - 1, R_RELATIVE);
1091	}	1138	}
…		…
1095	/* ------------------------------------------------------------------------- */	1142	/* ------------------------------------------------------------------------- */
1096	/*	1143	/*
1097	* Goto Row/Column	1144	* Goto Row/Column
1098	*/	1145	*/
1099	void	1146	void
1100	rxvt_term::scr_gotorc (int row, int col, int relative)	1147	rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW
1101	{	1148	{
1102	want_refresh = 1;	1149	want_refresh = 1;
1103	ZERO_SCROLLBACK ();	1150	ZERO_SCROLLBACK ();
1104		1151
1105	screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;	1152	screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
…		…
1143	/* ------------------------------------------------------------------------- */	1190	/* ------------------------------------------------------------------------- */
1144	/*	1191	/*
1145	* direction should be UP or DN	1192	* direction should be UP or DN
1146	*/	1193	*/
1147	void	1194	void
1148	rxvt_term::scr_index (enum page_dirn direction)	1195	rxvt_term::scr_index (enum page_dirn direction) NOTHROW
1149	{	1196	{
1150	int dirn;	1197	int dirn;
1151		1198
1152	want_refresh = 1;	1199	want_refresh = 1;
1153	ZERO_SCROLLBACK ();	1200	ZERO_SCROLLBACK ();
…		…
1172	* XTERM_SEQ: Clear line to right: ESC [ 0 K	1219	* XTERM_SEQ: Clear line to right: ESC [ 0 K
1173	* XTERM_SEQ: Clear line to left : ESC [ 1 K	1220	* XTERM_SEQ: Clear line to left : ESC [ 1 K
1174	* XTERM_SEQ: Clear whole line : ESC [ 2 K	1221	* XTERM_SEQ: Clear whole line : ESC [ 2 K
1175	*/	1222	*/
1176	void	1223	void
1177	rxvt_term::scr_erase_line (int mode)	1224	rxvt_term::scr_erase_line (int mode) NOTHROW
1178	{	1225	{
1179	unsigned int row, col, num;	1226	unsigned int col, num;
1180		1227
1181	want_refresh = 1;	1228	want_refresh = 1;
1182	ZERO_SCROLLBACK ();	1229	ZERO_SCROLLBACK ();
1183		1230
1184	selection_check (1);	1231	selection_check (1);
1185		1232
1186	row = screen.cur.row;	1233	line_t &line = ROW(screen.cur.row);
		1234
		1235	line.touch ();
		1236	line.is_longer (0);
1187		1237
1188	switch (mode)	1238	switch (mode)
1189	{	1239	{
1190	case 0: /* erase to end of line */	1240	case 0: /* erase to end of line */
1191	col = screen.cur.col;	1241	col = screen.cur.col;
1192	num = ncol - col;	1242	num = ncol - col;
1193	min_it (ROW(row).l, col);	1243	min_it (line.l, col);
1194	if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)	1244	if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1195	|| ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))	1245	|| ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1196	CLEAR_SELECTION ();	1246	CLEAR_SELECTION ();
1197	break;	1247	break;
1198	case 1: /* erase to beginning of line */	1248	case 1: /* erase to beginning of line */
…		…
1203	CLEAR_SELECTION ();	1253	CLEAR_SELECTION ();
1204	break;	1254	break;
1205	case 2: /* erase whole line */	1255	case 2: /* erase whole line */
1206	col = 0;	1256	col = 0;
1207	num = ncol;	1257	num = ncol;
1208	ROW(row).l = 0;	1258	line.l = 0;
1209	if (selection.beg.row <= screen.cur.row	1259	if (selection.beg.row <= screen.cur.row
1210	&& selection.end.row >= screen.cur.row)	1260	&& selection.end.row >= screen.cur.row)
1211	CLEAR_SELECTION ();	1261	CLEAR_SELECTION ();
1212	break;	1262	break;
1213	default:	1263	default:
1214	return;	1264	return;
1215	}	1265	}
1216		1266
1217	scr_blank_line (ROW(row), col, num, rstyle);	1267	scr_blank_line (line, col, num, rstyle);
1218	}	1268	}
1219		1269
1220	/* ------------------------------------------------------------------------- */	1270	/* ------------------------------------------------------------------------- */
1221	/*	1271	/*
1222	* Erase part of whole of the screen	1272	* Erase part of whole of the screen
1223	* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J	1273	* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1224	* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J	1274	* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1225	* XTERM_SEQ: Clear whole screen : ESC [ 2 J	1275	* XTERM_SEQ: Clear whole screen : ESC [ 2 J
1226	*/	1276	*/
1227	void	1277	void
1228	rxvt_term::scr_erase_screen (int mode)	1278	rxvt_term::scr_erase_screen (int mode) NOTHROW
1229	{	1279	{
1230	int num;	1280	int num;
1231	int32_t row;	1281	int32_t row;
1232	rend_t ren;	1282	rend_t ren;
1233	XGCValues gcvalue;	1283	XGCValues gcvalue;
…		…
1277	CLEAR_ROWS (row, num);	1327	CLEAR_ROWS (row, num);
1278	}	1328	}
1279	else	1329	else
1280	{	1330	{
1281	ren = rstyle & (RS_fgMask | RS_bgMask);	1331	ren = rstyle & (RS_fgMask | RS_bgMask);
1282	gcvalue.foreground = pix_colors[GET_BGCOLOR (rstyle)];	1332	gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1283	XChangeGC (display->display, gc, GCForeground, &gcvalue);	1333	XChangeGC (display->display, gc, GCForeground, &gcvalue);
1284	ERASE_ROWS (row, num);	1334	ERASE_ROWS (row, num);
1285	gcvalue.foreground = pix_colors[Color_fg];	1335	gcvalue.foreground = pix_colors[Color_fg];
1286	XChangeGC (display->display, gc, GCForeground, &gcvalue);	1336	XChangeGC (display->display, gc, GCForeground, &gcvalue);
1287	}	1337	}
1288		1338
1289	for (; num--; row++)	1339	for (; num--; row++)
1290	{	1340	{
1291	scr_blank_screen_mem (ROW (row), rstyle);	1341	scr_blank_screen_mem (ROW(row), rstyle);
1292	ROW (row).l = 0;
1293	scr_blank_line (drawn_buf [row], 0, ncol, ren);	1342	scr_blank_line (drawn_buf [row], 0, ncol, ren);
1294	}	1343	}
1295	}	1344	}
1296		1345
1297	#if ENABLE_FRILLS	1346	#if ENABLE_FRILLS
1298	void	1347	void
1299	rxvt_term::scr_erase_savelines ()	1348	rxvt_term::scr_erase_savelines () NOTHROW
1300	{	1349	{
1301	want_refresh = 1;	1350	want_refresh = 1;
1302	ZERO_SCROLLBACK ();	1351	ZERO_SCROLLBACK ();
1303		1352
1304	nsaved = 0;	1353	top_row = 0;
1305	}	1354	}
1306	#endif	1355	#endif
1307		1356
1308	/* ------------------------------------------------------------------------- */	1357	/* ------------------------------------------------------------------------- */
1309	/*	1358	/*
1310	* Fill the screen with `E's	1359	* Fill the screen with `E's
1311	* XTERM_SEQ: Screen Alignment Test: ESC # 8	1360	* XTERM_SEQ: Screen Alignment Test: ESC # 8
1312	*/	1361	*/
1313	void	1362	void
1314	rxvt_term::scr_E ()	1363	rxvt_term::scr_E () NOTHROW
1315	{	1364	{
1316	rend_t fs;	1365	rend_t fs;
1317		1366
1318	want_refresh = 1;	1367	want_refresh = 1;
1319	ZERO_SCROLLBACK ();	1368	ZERO_SCROLLBACK ();
…		…
1330	rend_t *r1 = line.r;	1379	rend_t *r1 = line.r;
1331		1380
1332	for (int j = ncol; j--; )	1381	for (int j = ncol; j--; )
1333	*r1++ = fs;	1382	*r1++ = fs;
1334		1383
1335	line.l = ncol; /* make the `E's selectable */	1384	line.is_longer (0);
		1385	line.touch (ncol);
1336	}	1386	}
1337	}	1387	}
1338		1388
1339	/* ------------------------------------------------------------------------- */	1389	/* ------------------------------------------------------------------------- */
1340	/*	1390	/*
1341	* Insert/Delete <count> lines	1391	* Insert/Delete <count> lines
1342	*/	1392	*/
1343	void	1393	void
1344	rxvt_term::scr_insdel_lines (int count, int insdel)	1394	rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW
1345	{	1395	{
1346	int end;	1396	int end;
1347		1397
1348	ZERO_SCROLLBACK ();	1398	ZERO_SCROLLBACK ();
1349		1399
…		…
1369	/* ------------------------------------------------------------------------- */	1419	/* ------------------------------------------------------------------------- */
1370	/*	1420	/*
1371	* Insert/Delete <count> characters from the current position	1421	* Insert/Delete <count> characters from the current position
1372	*/	1422	*/
1373	void	1423	void
1374	rxvt_term::scr_insdel_chars (int count, int insdel)	1424	rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1375	{	1425	{
1376	int col, row;	1426	int col, row;
1377	rend_t tr;	1427	rend_t tr;
1378		1428
1379	want_refresh = 1;	1429	want_refresh = 1;
…		…
1388	min_it (count, ncol - screen.cur.col);	1438	min_it (count, ncol - screen.cur.col);
1389		1439
1390	row = screen.cur.row;	1440	row = screen.cur.row;
1391		1441
1392	line_t *line = &ROW(row);	1442	line_t *line = &ROW(row);
		1443
		1444	line->touch ();
		1445	line->is_longer (0);
1393		1446
1394	switch (insdel)	1447	switch (insdel)
1395	{	1448	{
1396	case INSERT:	1449	case INSERT:
1397	for (col = ncol - 1; (col - count) >= screen.cur.col; col--)	1450	for (col = ncol - 1; (col - count) >= screen.cur.col; col--)
1398	{	1451	{
1399	line->t[col] = line->t[col - count];	1452	line->t[col] = line->t[col - count];
1400	line->r[col] = line->r[col - count];	1453	line->r[col] = line->r[col - count];
1401	}	1454	}
1402		1455
1403	if (!line->is_longer ())	1456	line->l = min (line->l + count, ncol);
1404	{
1405	line->l += count;
1406	min_it (line->l, ncol);
1407	}
1408		1457
1409	if (selection.op && current_screen == selection.screen	1458	if (selection.op && current_screen == selection.screen
1410	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))	1459	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1411	{	1460	{
1412	if (selection.end.row != screen.cur.row	1461	if (selection.end.row != screen.cur.row
…		…
1425		1474
1426	case ERASE:	1475	case ERASE:
1427	screen.cur.col += count; /* don't worry if > ncol */	1476	screen.cur.col += count; /* don't worry if > ncol */
1428	selection_check (1);	1477	selection_check (1);
1429	screen.cur.col -= count;	1478	screen.cur.col -= count;
		1479
		1480	line->l = max (line->l - count, 0);
1430	scr_blank_line (*line, screen.cur.col, count, rstyle);	1481	scr_blank_line (*line, screen.cur.col, count, rstyle);
1431	break;	1482	break;
1432		1483
1433	case DELETE:	1484	case DELETE:
1434	tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask);	1485	tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask);
…		…
1437	{	1488	{
1438	line->t[col] = line->t[col + count];	1489	line->t[col] = line->t[col + count];
1439	line->r[col] = line->r[col + count];	1490	line->r[col] = line->r[col + count];
1440	}	1491	}
1441		1492
		1493	line->l = max (line->l - count, 0);
1442	scr_blank_line (*line, ncol - count, count, tr);	1494	scr_blank_line (*line, ncol - count, count, tr);
1443
1444	if (line->is_longer ()) /* break line continuation */
1445	line->l = ncol;
1446
1447	line->l = max (line->l - count, 0);
1448		1495
1449	if (selection.op && current_screen == selection.screen	1496	if (selection.op && current_screen == selection.screen
1450	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))	1497	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1451	{	1498	{
1452	if (selection.end.row != screen.cur.row	1499	if (selection.end.row != screen.cur.row
…		…
1470	/*	1517	/*
1471	* Set the scrolling region	1518	* Set the scrolling region
1472	* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r	1519	* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1473	*/	1520	*/
1474	void	1521	void
1475	rxvt_term::scr_scroll_region (int top, int bot)	1522	rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1476	{	1523	{
1477	max_it (top, 0);	1524	max_it (top, 0);
1478	min_it (bot, nrow - 1);	1525	min_it (bot, nrow - 1);
1479		1526
1480	if (top > bot)	1527	if (top > bot)
…		…
1490	* Make the cursor visible/invisible	1537	* Make the cursor visible/invisible
1491	* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h	1538	* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1492	* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l	1539	* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1493	*/	1540	*/
1494	void	1541	void
1495	rxvt_term::scr_cursor_visible (int mode)	1542	rxvt_term::scr_cursor_visible (int mode) NOTHROW
1496	{	1543	{
1497	want_refresh = 1;	1544	want_refresh = 1;
1498		1545
1499	if (mode)	1546	if (mode)
1500	screen.flags |= Screen_VisibleCursor;	1547	screen.flags |= Screen_VisibleCursor;
…		…
1507	* Set/unset automatic wrapping	1554	* Set/unset automatic wrapping
1508	* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h	1555	* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1509	* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l	1556	* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1510	*/	1557	*/
1511	void	1558	void
1512	rxvt_term::scr_autowrap (int mode)	1559	rxvt_term::scr_autowrap (int mode) NOTHROW
1513	{	1560	{
1514	if (mode)	1561	if (mode)
1515	screen.flags |= Screen_Autowrap;	1562	screen.flags |= Screen_Autowrap;
1516	else	1563	else
1517	screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);	1564	screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
…		…
1526	* and the cursor cannot be moved outside.	1573	* and the cursor cannot be moved outside.
1527	* XTERM_SEQ: Set Absolute: ESC [ ? 6 h	1574	* XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1528	* XTERM_SEQ: Set Relative: ESC [ ? 6 l	1575	* XTERM_SEQ: Set Relative: ESC [ ? 6 l
1529	*/	1576	*/
1530	void	1577	void
1531	rxvt_term::scr_relative_origin (int mode)	1578	rxvt_term::scr_relative_origin (int mode) NOTHROW
1532	{	1579	{
1533	if (mode)	1580	if (mode)
1534	screen.flags |= Screen_Relative;	1581	screen.flags |= Screen_Relative;
1535	else	1582	else
1536	screen.flags &= ~Screen_Relative;	1583	screen.flags &= ~Screen_Relative;
…		…
1543	* Set insert/replace mode	1590	* Set insert/replace mode
1544	* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h	1591	* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1545	* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l	1592	* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1546	*/	1593	*/
1547	void	1594	void
1548	rxvt_term::scr_insert_mode (int mode)	1595	rxvt_term::scr_insert_mode (int mode) NOTHROW
1549	{	1596	{
1550	if (mode)	1597	if (mode)
1551	screen.flags |= Screen_Insert;	1598	screen.flags |= Screen_Insert;
1552	else	1599	else
1553	screen.flags &= ~Screen_Insert;	1600	screen.flags &= ~Screen_Insert;
…		…
1559	* XTERM_SEQ: Set tab at current column : ESC H	1606	* XTERM_SEQ: Set tab at current column : ESC H
1560	* XTERM_SEQ: Clear tab at current column: ESC [ 0 g	1607	* XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1561	* XTERM_SEQ: Clear all tabs : ESC [ 3 g	1608	* XTERM_SEQ: Clear all tabs : ESC [ 3 g
1562	*/	1609	*/
1563	void	1610	void
1564	rxvt_term::scr_set_tab (int mode)	1611	rxvt_term::scr_set_tab (int mode) NOTHROW
1565	{	1612	{
1566	if (mode < 0)	1613	if (mode < 0)
1567	memset (tabs, 0, ncol * sizeof (char));	1614	memset (tabs, 0, ncol * sizeof (char));
1568	else if (screen.cur.col < ncol)	1615	else if (screen.cur.col < ncol)
1569	tabs[screen.cur.col] = (mode ? 1 : 0);	1616	tabs [screen.cur.col] = !!mode;
1570	}	1617	}
1571		1618
1572	/* ------------------------------------------------------------------------- */	1619	/* ------------------------------------------------------------------------- */
1573	/*	1620	/*
1574	* Set reverse/normal video	1621	* Set reverse/normal video
1575	* XTERM_SEQ: Reverse video: ESC [ ? 5 h	1622	* XTERM_SEQ: Reverse video: ESC [ ? 5 h
1576	* XTERM_SEQ: Normal video : ESC [ ? 5 l	1623	* XTERM_SEQ: Normal video : ESC [ ? 5 l
1577	*/	1624	*/
1578	void	1625	void
1579	rxvt_term::scr_rvideo_mode (int mode)	1626	rxvt_term::scr_rvideo_mode (bool on) NOTHROW
1580	{	1627	{
1581	XGCValues gcvalue;	1628	rvideo_mode = on;
1582		1629
		1630	#ifndef NO_BELL
		1631	on ^= rvideo_bell;
		1632	#endif
		1633
1583	if (rvideo != mode)	1634	if (rvideo_state != on)
1584	{	1635	{
1585	rvideo = mode;	1636	rvideo_state = on;
		1637
1586	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);	1638	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1587	#if XPM_BACKGROUND	1639	#if XPM_BACKGROUND
1588	if (bgPixmap.pixmap == None)	1640	if (bgPixmap.pixmap == None)
1589	#endif	1641	#endif
1590	#if TRANSPARENT	1642	#if TRANSPARENT
1591	if (! (options & Opt_transparent) || am_transparent == 0)	1643	if (!OPTION (Opt_transparent) || am_transparent == 0)
1592	#endif	1644	#endif
1593	XSetWindowBackground (display->display, vt,	1645	XSetWindowBackground (display->display, vt, pix_colors[Color_bg]);
1594	pix_colors[Color_bg]);
1595		1646
		1647	XGCValues gcvalue;
1596	gcvalue.foreground = pix_colors[Color_fg];	1648	gcvalue.foreground = pix_colors[Color_fg];
1597	gcvalue.background = pix_colors[Color_bg];	1649	gcvalue.background = pix_colors[Color_bg];
1598	XChangeGC (display->display, gc, GCBackground | GCForeground,	1650	XChangeGC (display->display, gc, GCBackground | GCForeground, &gcvalue);
1599	&gcvalue);	1651
1600	scr_clear ();	1652	scr_clear ();
1601	scr_touch (true);	1653	scr_touch (true);
1602	}	1654	}
1603	}	1655	}
1604		1656
…		…
1606	/*	1658	/*
1607	* Report current cursor position	1659	* Report current cursor position
1608	* XTERM_SEQ: Report position: ESC [ 6 n	1660	* XTERM_SEQ: Report position: ESC [ 6 n
1609	*/	1661	*/
1610	void	1662	void
1611	rxvt_term::scr_report_position ()	1663	rxvt_term::scr_report_position () NOTHROW
1612	{	1664	{
1613	tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);	1665	tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1614	}	1666	}
1615		1667
1616	/* ------------------------------------------------------------------------- *	1668	/* ------------------------------------------------------------------------- *
…		…
1619		1671
1620	/*	1672	/*
1621	* Set font style	1673	* Set font style
1622	*/	1674	*/
1623	void	1675	void
1624	rxvt_term::set_font_style ()	1676	rxvt_term::set_font_style () NOTHROW
1625	{	1677	{
		1678	#if 0
1626	switch (charsets[screen.charset])	1679	switch (charsets [screen.charset])
1627	{	1680	{
1628	case '0': /* DEC Special Character & Line Drawing Set */	1681	case '0': /* DEC Special Character & Line Drawing Set */
1629	break;	1682	break;
1630	case 'A': /* United Kingdom (UK) */	1683	case 'A': /* United Kingdom (UK) */
1631	break;	1684	break;
…		…
1638	case 'C': /* Finnish character set */	1691	case 'C': /* Finnish character set */
1639	break;	1692	break;
1640	case 'K': /* German character set */	1693	case 'K': /* German character set */
1641	break;	1694	break;
1642	}	1695	}
		1696	#endif
1643	}	1697	}
1644		1698
1645	/* ------------------------------------------------------------------------- */	1699	/* ------------------------------------------------------------------------- */
1646	/*	1700	/*
1647	* Choose a font	1701	* Choose a font
…		…
1649	* XTERM_SEQ: Invoke G1 character set: CTRL-N	1703	* XTERM_SEQ: Invoke G1 character set: CTRL-N
1650	* XTERM_SEQ: Invoke G2 character set: ESC N	1704	* XTERM_SEQ: Invoke G2 character set: ESC N
1651	* XTERM_SEQ: Invoke G3 character set: ESC O	1705	* XTERM_SEQ: Invoke G3 character set: ESC O
1652	*/	1706	*/
1653	void	1707	void
1654	rxvt_term::scr_charset_choose (int set)	1708	rxvt_term::scr_charset_choose (int set) NOTHROW
1655	{	1709	{
1656	screen.charset = set;	1710	screen.charset = set;
1657	set_font_style ();	1711	set_font_style ();
1658	}	1712	}
1659		1713
…		…
1665	* XTERM_SEQ: Set G2 character set: ESC * <C>	1719	* XTERM_SEQ: Set G2 character set: ESC * <C>
1666	* XTERM_SEQ: Set G3 character set: ESC + <C>	1720	* XTERM_SEQ: Set G3 character set: ESC + <C>
1667	* See set_font_style for possible values for <C>	1721	* See set_font_style for possible values for <C>
1668	*/	1722	*/
1669	void	1723	void
1670	rxvt_term::scr_charset_set (int set, unsigned int ch)	1724	rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW
1671	{	1725	{
1672	charsets[set] = (unsigned char)ch;	1726	charsets[set] = (unsigned char)ch;
1673	set_font_style ();	1727	set_font_style ();
1674	}	1728	}
1675		1729
…		…
1680		1734
1681	/*	1735	/*
1682	* refresh matching text.	1736	* refresh matching text.
1683	*/	1737	*/
1684	bool	1738	bool
1685	rxvt_term::scr_refresh_rend (rend_t mask, rend_t value)	1739	rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1686	{	1740	{
1687	bool found = false;	1741	bool found = false;
1688		1742
1689	for (int i = 0; i < nrow; i++)	1743	for (int i = 0; i < nrow; i++)
1690	{	1744	{
…		…
1710	PART_END,	1764	PART_END,
1711	RC_COUNT	1765	RC_COUNT
1712	};	1766	};
1713		1767
1714	void	1768	void
1715	rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh)	1769	rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1716	{	1770	{
1717	int i;	1771	int i;
1718	row_col_t rc[RC_COUNT];	1772	row_col_t rc[RC_COUNT];
1719		1773
1720	if (!drawn_buf) /* sanity check */	1774	if (!drawn_buf) /* sanity check */
…		…
1743	}	1797	}
1744		1798
1745	for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)	1799	for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1746	fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);	1800	fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1747		1801
		1802	num_scr_allow = 0;
		1803
1748	if (refresh)	1804	if (refresh)
1749	scr_refresh (SLOW_REFRESH);	1805	scr_refresh ();
1750	}	1806	}
1751		1807
1752	/* ------------------------------------------------------------------------- */	1808	/* ------------------------------------------------------------------------- */
1753	/*	1809	/*
1754	* Refresh the entire screen	1810	* Refresh the entire screen
1755	*/	1811	*/
1756	void	1812	void
1757	rxvt_term::scr_touch (bool refresh)	1813	rxvt_term::scr_touch (bool refresh) NOTHROW
1758	{	1814	{
1759	scr_expose (0, 0, width, height, refresh);	1815	scr_expose (0, 0, width, height, refresh);
1760	}	1816	}
1761		1817
1762	/* ------------------------------------------------------------------------- */	1818	/* ------------------------------------------------------------------------- */
1763	/*	1819	/*
1764	* Move the display so that the line represented by scrollbar value Y is at	1820	* Move the display so that the line represented by scrollbar value Y is at
1765	* the top of the screen	1821	* the top of the screen
1766	*/	1822	*/
1767	int	1823	void
1768	rxvt_term::scr_move_to (int y, int len)	1824	rxvt_term::scr_move_to (int y, int len) NOTHROW
1769	{	1825	{
1770	long p = 0;	1826	scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));
1771	unsigned int oldviewstart;
1772
1773	oldviewstart = view_start;
1774
1775	if (y < len)
1776	{
1777	p = (nrow + nsaved) * (len - y) / len;
1778	p -= (long) (nrow - 1);
1779	p = max (p, 0);
1780	}
1781
1782	view_start = (unsigned int)min (p, nsaved);
1783
1784	return scr_changeview (oldviewstart);
1785	}	1827	}
1786		1828
1787	/* ------------------------------------------------------------------------- */	1829	/* ------------------------------------------------------------------------- */
1788	/*	1830	/*
1789	* Page the screen up/down nlines	1831	* Page the screen up/down nlines
1790	* direction should be UP or DN	1832	* direction should be UP or DN
1791	*/	1833	*/
1792	int	1834	bool
1793	rxvt_term::scr_page (enum page_dirn direction, int nlines)	1835	rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW
1794	{	1836	{
1795	int n;	1837	int new_view_start =
1796	unsigned int oldviewstart;
1797
1798	oldviewstart = view_start;
1799
1800	if (direction == UP)
1801	{
1802	n = view_start + nlines;
1803	view_start = min (n, nsaved);
1804	}
1805	else
1806	{
1807	n = view_start - nlines;	1838	direction == UP ? view_start - nlines
1808	view_start = max (n, 0);	1839	: view_start + nlines;
1809	}
1810		1840
1811	return scr_changeview (oldviewstart);	1841	return scr_changeview (new_view_start);
1812	}	1842	}
1813		1843
1814	int	1844	bool
1815	rxvt_term::scr_changeview (unsigned int oldviewstart)	1845	rxvt_term::scr_changeview (int new_view_start) NOTHROW
1816	{	1846	{
		1847	clamp_it (new_view_start, top_row, 0);
		1848
1817	if (view_start != oldviewstart)	1849	if (new_view_start == view_start)
1818	{	1850	return false;
		1851
		1852	num_scr += new_view_start - view_start;
		1853	view_start = new_view_start;
1819	want_refresh = 1;	1854	want_refresh = 1;
1820	num_scr -= (view_start - oldviewstart);
1821	}
1822		1855
1823	return (int) (view_start - oldviewstart);	1856	HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1824	}
1825		1857
1826	/* ------------------------------------------------------------------------- */	1858	return true;
		1859	}
		1860
		1861	#ifndef NO_BELL
1827	void	1862	void
		1863	rxvt_term::bell_cb (time_watcher &w)
		1864	{
		1865	rvideo_bell = false;
		1866	scr_rvideo_mode (rvideo_mode);
		1867	}
		1868	#endif
		1869
		1870	/* ------------------------------------------------------------------------- */
		1871	void
1828	rxvt_term::scr_bell ()	1872	rxvt_term::scr_bell () NOTHROW
1829	{	1873	{
1830	#ifndef NO_BELL	1874	#ifndef NO_BELL
1831		1875
1832	# ifndef NO_MAPALERT	1876	# ifndef NO_MAPALERT
1833	# ifdef MAPALERT_OPTION	1877	# ifdef MAPALERT_OPTION
1834	if (options & Opt_mapAlert)	1878	if (OPTION (Opt_mapAlert))
1835	# endif	1879	# endif
1836	XMapWindow (display->display, parent[0]);	1880	XMapWindow (display->display, parent[0]);
1837	# endif	1881	# endif
1838		1882
1839	if (options & Opt_visualBell)	1883	if (OPTION (Opt_visualBell))
1840	{	1884	{
1841	scr_rvideo_mode (!rvideo); /* refresh also done */	1885	rvideo_bell = true;
1842	rxvt_usleep (VISUAL_BELL_DURATION);	1886	scr_rvideo_mode (rvideo_mode);
1843	scr_rvideo_mode (!rvideo); /* refresh also done */	1887	display->flush ();
		1888
		1889	bell_ev.start (NOW + VISUAL_BELL_DURATION);
1844	}	1890	}
1845	else	1891	else
1846	XBell (display->display, 0);	1892	XBell (display->display, 0);
1847		1893
1848	#endif	1894	#endif
1849	}	1895	}
1850		1896
1851	/* ------------------------------------------------------------------------- */	1897	/* ------------------------------------------------------------------------- */
1852	/* ARGSUSED */	1898	/* ARGSUSED */
1853	void	1899	void
1854	rxvt_term::scr_printscreen (int fullhist)	1900	rxvt_term::scr_printscreen (int fullhist) NOTHROW
1855	{	1901	{
1856	#ifdef PRINTPIPE	1902	#ifdef PRINTPIPE
1857	int nrows, row_start;	1903	int nrows, row_start;
1858	FILE *fd;	1904	FILE *fd;
1859		1905
1860	if ((fd = popen_printer ()) == NULL)	1906	if ((fd = popen_printer ()) == NULL)
1861	return;	1907	return;
1862		1908
1863	if (fullhist)	1909	if (fullhist)
1864	{	1910	{
1865	nrows = nrow + nsaved;	1911	nrows = nrow - top_row;
1866	row_start = -nsaved;	1912	row_start = top_row;
1867	}	1913	}
1868	else	1914	else
1869	{	1915	{
1870	nrows = nrow;	1916	nrows = nrow;
1871	row_start = -view_start;	1917	row_start = view_start;
1872	}	1918	}
1873		1919
1874	wctomb (0, 0);	1920	wctomb (0, 0);
1875		1921
1876	for (int r1 = 0; r1 < nrows; r1++)	1922	for (int r1 = 0; r1 < nrows; r1++)
…		…
1908	* Refresh the screen	1954	* Refresh the screen
1909	* drawn_text/drawn_rend contain the screen information before the update.	1955	* drawn_text/drawn_rend contain the screen information before the update.
1910	* screen.text/screen.rend contain what the screen will change to.	1956	* screen.text/screen.rend contain what the screen will change to.
1911	*/	1957	*/
1912	void	1958	void
1913	rxvt_term::scr_refresh (unsigned char refresh_type)	1959	rxvt_term::scr_refresh () NOTHROW
1914	{	1960	{
1915	unsigned char must_clear, /* use draw_string not draw_image_string */	1961	unsigned char must_clear, /* use draw_string not draw_image_string */
1916	showcursor; /* show the cursor */	1962	showcursor; /* show the cursor */
1917	int16_t col, row, /* column/row we're processing */	1963	int16_t col, row, /* column/row we're processing */
1918	ocrow; /* old cursor row */	1964	ocrow; /* old cursor row */
…		…
1935		1981
1936	#if XPM_BACKGROUND	1982	#if XPM_BACKGROUND
1937	must_clear |= bgPixmap.pixmap != None;	1983	must_clear |= bgPixmap.pixmap != None;
1938	#endif	1984	#endif
1939	#if TRANSPARENT	1985	#if TRANSPARENT
1940	must_clear |= (options & Opt_transparent) && am_transparent;	1986	must_clear |= OPTION (Opt_transparent) && am_transparent;
1941	#endif	1987	#endif
1942	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */	1988	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1943		1989
1944	/*	1990	/*
1945	* B: reverse any characters which are selected	1991	* B: reverse any characters which are selected
…		…
1969		2015
1970	crp = &ROW(screen.cur.row).r[col];	2016	crp = &ROW(screen.cur.row).r[col];
1971		2017
1972	if (showcursor && focus)	2018	if (showcursor && focus)
1973	{	2019	{
1974	if (options & Opt_cursorUnderline)	2020	if (OPTION (Opt_cursorUnderline))
1975	*crp ^= RS_Uline;	2021	*crp ^= RS_Uline;
1976	else	2022	else
1977	{	2023	{
1978	*crp ^= RS_RVid;	2024	*crp ^= RS_RVid;
1979		2025
…		…
1981	cc1 = *crp & (RS_fgMask | RS_bgMask);	2027	cc1 = *crp & (RS_fgMask | RS_bgMask);
1982	if (ISSET_PIXCOLOR (Color_cursor))	2028	if (ISSET_PIXCOLOR (Color_cursor))
1983	ccol1 = Color_cursor;	2029	ccol1 = Color_cursor;
1984	else	2030	else
1985	#ifdef CURSOR_COLOR_IS_RENDITION_COLOR	2031	#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1986	ccol1 = GET_FGCOLOR (rstyle);	2032	ccol1 = fgcolor_of (rstyle);
1987	#else	2033	#else
1988	ccol1 = Color_fg;	2034	ccol1 = Color_fg;
1989	#endif	2035	#endif
1990	if (ISSET_PIXCOLOR (Color_cursor2))	2036	if (ISSET_PIXCOLOR (Color_cursor2))
1991	ccol2 = Color_cursor2;	2037	ccol2 = Color_cursor2;
1992	else	2038	else
1993	#ifdef CURSOR_COLOR_IS_RENDITION_COLOR	2039	#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1994	ccol2 = GET_BGCOLOR (rstyle);	2040	ccol2 = bgcolor_of (rstyle);
1995	#else	2041	#else
1996	ccol2 = Color_bg;	2042	ccol2 = Color_bg;
1997	#endif	2043	#endif
1998	*crp = SET_FGCOLOR (*crp, ccol1);	2044	*crp = SET_FGCOLOR (*crp, ccol1);
1999	*crp = SET_BGCOLOR (*crp, ccol2);	2045	*crp = SET_BGCOLOR (*crp, ccol2);
…		…
2004		2050
2005	/* make sure no outline cursor is left around */	2051	/* make sure no outline cursor is left around */
2006	setoldcursor = 0;	2052	setoldcursor = 0;
2007	if (ocrow != -1)	2053	if (ocrow != -1)
2008	{	2054	{
2009	if (screen.cur.row + view_start != ocrow	2055	if (screen.cur.row - view_start != ocrow
2010	|| screen.cur.col != oldcursor.col)	2056	|| screen.cur.col != oldcursor.col)
2011	{	2057	{
2012	if (ocrow < nrow	2058	if (ocrow < nrow
2013	&& oldcursor.col < ncol)	2059	&& oldcursor.col < ncol)
2014	drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);	2060	drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
…		…
2022	else if (!focus)	2068	else if (!focus)
2023	setoldcursor = 1;	2069	setoldcursor = 1;
2024		2070
2025	if (setoldcursor)	2071	if (setoldcursor)
2026	{	2072	{
2027	if (screen.cur.row + view_start >= nrow)	2073	if (screen.cur.row - view_start >= nrow)
2028	oldcursor.row = -1;	2074	oldcursor.row = -1;
2029	else	2075	else
2030	{	2076	{
2031	oldcursor.row = screen.cur.row + view_start;	2077	oldcursor.row = screen.cur.row - view_start;
2032	oldcursor.col = screen.cur.col;	2078	oldcursor.col = screen.cur.col;
2033	}	2079	}
2034	}	2080	}
2035	}	2081	}
2036		2082
		2083	HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2037	#if ENABLE_OVERLAY	2084	#if ENABLE_OVERLAY
2038	scr_swap_overlay ();	2085	scr_swap_overlay ();
2039	#endif	2086	#endif
2040		2087
2041	#ifndef NO_SLOW_LINK_SUPPORT	2088	#ifndef NO_SLOW_LINK_SUPPORT
2042	/*	2089	/*
2043	* D: CopyArea pass - very useful for slower links	2090	* D: CopyArea pass - very useful for slower links
2044	* This has been deliberately kept simple.	2091	* This has been deliberately kept simple.
2045	*/	2092	*/
2046	i = num_scr;
2047	if (!display->is_local	2093	if (!display->is_local
2048	&& refresh_type == FAST_REFRESH && num_scr_allow && num_scr	2094	&& refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2049	&& abs (num_scr) < nrow && !must_clear)	2095	&& abs (num_scr) < nrow && !must_clear)
2050	{	2096	{
2051	int16_t nits;	2097	int16_t nits;
2052	int j;	2098	int j;
2053	int len, wlen;	2099	int len, wlen;
		2100	dLocal (int, num_scr);
2054		2101
2055	j = nrow;	2102	j = nrow;
2056	wlen = len = -1;	2103	wlen = len = -1;
2057	row = i > 0 ? 0 : j - 1;	2104	row = i > 0 ? 0 : j - 1;
2058	for (; j-- >= 0; row += (i > 0 ? 1 : -1))	2105	for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2059	{	2106	{
2060	if (row + i >= 0 && row + i < nrow && row + i != ocrow)	2107	if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2061	{	2108	{
2062	line_t s = ROW(row - view_start);	2109	line_t s = ROW(view_start + row);
2063	line_t d = drawn_buf[row];	2110	line_t d = drawn_buf[row];
2064	line_t d2 = drawn_buf[row + i];	2111	line_t d2 = drawn_buf[row + i];
2065		2112
2066	for (nits = 0, col = ncol; col--; )	2113	for (nits = 0, col = ncol; col--; )
2067	if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])	2114	if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
…		…
2091	if (wlen < len)	2138	if (wlen < len)
2092	::swap (wlen, len);	2139	::swap (wlen, len);
2093		2140
2094	XCopyArea (display->display, vt, vt,	2141	XCopyArea (display->display, vt, vt,
2095	gc, 0, Row2Pixel (len + i),	2142	gc, 0, Row2Pixel (len + i),
2096	(unsigned int)TermWin_TotalWidth (),	2143	(unsigned int)this->width,
2097	(unsigned int)Height2Pixel (wlen - len + 1),	2144	(unsigned int)Height2Pixel (wlen - len + 1),
2098	0, Row2Pixel (len));	2145	0, Row2Pixel (len));
2099	len = -1;	2146	len = -1;
2100	}	2147	}
2101	}	2148	}
…		…
2105	/*	2152	/*
2106	* E: main pass across every character	2153	* E: main pass across every character
2107	*/	2154	*/
2108	for (row = 0; row < nrow; row++)	2155	for (row = 0; row < nrow; row++)
2109	{	2156	{
2110	text_t *stp = ROW(row - view_start).t;	2157	text_t *stp = ROW(view_start + row).t;
2111	rend_t *srp = ROW(row - view_start).r;	2158	rend_t *srp = ROW(view_start + row).r;
2112	text_t *dtp = drawn_buf[row].t;	2159	text_t *dtp = drawn_buf[row].t;
2113	rend_t *drp = drawn_buf[row].r;	2160	rend_t *drp = drawn_buf[row].r;
2114		2161
2115	/*	2162	/*
2116	* E2: OK, now the real pass	2163	* E2: OK, now the real pass
…		…
2180	count++, i--;	2227	count++, i--;
2181		2228
2182	/*	2229	/*
2183	* Determine the attributes for the string	2230	* Determine the attributes for the string
2184	*/	2231	*/
2185	int fore = GET_FGCOLOR (rend); // desired foreground	2232	int fore = fgcolor_of (rend); // desired foreground
2186	int back = GET_BGCOLOR (rend); // desired background	2233	int back = bgcolor_of (rend); // desired background
2187		2234
2188	// only do special processing if any attributes are set, which is rare	2235	// only do special processing if any attributes are set, which is unlikely
2189	if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful))	2236	if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful))
2190	{	2237	{
2191	#if ENABLE_STYLES	2238	#if ENABLE_STYLES
2192	// force redraw after "careful" characters to avoid pixel droppings	2239	// force redraw after "careful" characters to avoid pixel droppings
2193	if (srp[col] & RS_Careful && col < ncol - 1 && 0)	2240	if (srp[col] & RS_Careful && col < ncol - 1 && 0)
…		…
2304	} /* for (row....) */	2351	} /* for (row....) */
2305		2352
2306	#if ENABLE_OVERLAY	2353	#if ENABLE_OVERLAY
2307	scr_swap_overlay ();	2354	scr_swap_overlay ();
2308	#endif	2355	#endif
		2356	HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2309		2357
2310	/*	2358	/*
2311	* G: cleanup cursor and display outline cursor if necessary	2359	* G: cleanup cursor and display outline cursor if necessary
2312	*/	2360	*/
2313	if (showcursor)	2361	if (showcursor)
2314	{	2362	{
2315	if (focus)	2363	if (focus)
2316	{	2364	{
2317	if (options & Opt_cursorUnderline)	2365	if (OPTION (Opt_cursorUnderline))
2318	*crp ^= RS_Uline;	2366	*crp ^= RS_Uline;
2319	else	2367	else
2320	{	2368	{
2321	*crp ^= RS_RVid;	2369	*crp ^= RS_RVid;
2322	#ifndef NO_CURSORCOLOR	2370	#ifndef NO_CURSORCOLOR
…		…
2352	/*	2400	/*
2353	* H: cleanup selection	2401	* H: cleanup selection
2354	*/	2402	*/
2355	scr_reverse_selection ();	2403	scr_reverse_selection ();
2356		2404
2357	if (refresh_type & SMOOTH_REFRESH)
2358	XFlush (display->display);
2359
2360	num_scr = 0;	2405	num_scr = 0;
2361	num_scr_allow = 1;	2406	num_scr_allow = 1;
2362	}	2407	}
2363		2408
2364	void	2409	void
2365	rxvt_term::scr_remap_chars (const line_t &l)	2410	rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2366	{	2411	{
2367	if (!l.t)	2412	if (!l.t)
2368	return;	2413	return;
2369		2414
		2415	l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
		2416
2370	for (int i = ncol; i--; )	2417	for (int i = ncol; i--; )
2371	l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));	2418	l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2372	}	2419	}
2373		2420
2374	void	2421	void
2375	rxvt_term::scr_remap_chars ()	2422	rxvt_term::scr_remap_chars () NOTHROW
2376	{	2423	{
2377	for (int i = total_rows; i--; )	2424	for (int i = total_rows; i--; )
2378	scr_remap_chars (row_buf [i]);	2425	scr_remap_chars (row_buf [i]);
2379		2426
2380	for (int i = nrow; i--; )	2427	for (int i = nrow; i--; )
…		…
2383	scr_remap_chars (swap_buf [i]);	2430	scr_remap_chars (swap_buf [i]);
2384	}	2431	}
2385	}	2432	}
2386		2433
2387	void	2434	void
2388	rxvt_term::scr_recolour ()	2435	rxvt_term::scr_recolour () NOTHROW
2389	{	2436	{
2390	if (1	2437	if (1
2391	#if TRANSPARENT	2438	#if TRANSPARENT
2392	&& !am_transparent	2439	&& !am_transparent
2393	#endif	2440	#endif
…		…
2414	want_refresh = 1;	2461	want_refresh = 1;
2415	}	2462	}
2416		2463
2417	/* ------------------------------------------------------------------------- */	2464	/* ------------------------------------------------------------------------- */
2418	void	2465	void
2419	rxvt_term::scr_clear (bool really)	2466	rxvt_term::scr_clear (bool really) NOTHROW
2420	{	2467	{
2421	if (!mapped)	2468	if (!mapped)
2422	return;	2469	return;
2423		2470
2424	num_scr_allow = 0;	2471	num_scr_allow = 0;
…		…
2426		2473
2427	if (really)	2474	if (really)
2428	XClearWindow (display->display, vt);	2475	XClearWindow (display->display, vt);
2429	}	2476	}
2430		2477
2431	/* ------------------------------------------------------------------------- */
2432	void	2478	void
		2479	rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW
		2480	{
		2481	int view_end = view_start + nrow;
		2482	int row, col;
		2483
		2484	for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
		2485	{
		2486	text_t *stp = ROW(row).t;
		2487	rend_t *srp = ROW(row).r;
		2488
		2489	for (col = beg_col; col < end_col; col++)
		2490	srp[col] ^= rstyle1;
		2491
		2492	while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
		2493	srp[col] ^= rstyle2;
		2494
		2495	if (++col < end_col)
		2496	srp[col] ^= rstyle2;
		2497	}
		2498	}
		2499
		2500	void
		2501	rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW
		2502	{
		2503	int view_end = view_start + nrow;
		2504	int row, col;
		2505
		2506	if (beg_row >= view_start)
		2507	{
		2508	col = beg_col;
		2509	row = beg_row;
		2510	}
		2511	else
		2512	{
		2513	col = 0;
		2514	row = view_start;
		2515	}
		2516
		2517	for (; row < min (end_row, view_end); row++, col = 0)
		2518	for (rend_t *srp = ROW(row).r; col < ncol; col++)
		2519	srp[col] ^= rstyle;
		2520
		2521	if (row == end_row)
		2522	for (rend_t *srp = ROW(row).r; col < end_col; col++)
		2523	srp[col] ^= rstyle;
		2524	}
		2525
		2526	/* ------------------------------------------------------------------------- */
		2527	void
2433	rxvt_term::scr_reverse_selection ()	2528	rxvt_term::scr_reverse_selection () NOTHROW
2434	{	2529	{
2435	if (selection.op	2530	if (selection.op
2436	&& current_screen == selection.screen	2531	&& current_screen == selection.screen
2437	&& selection.end.row >= -view_start)	2532	&& selection.end.row >= view_start)
2438	{	2533	{
2439	int view_end = -view_start + nrow;
2440	int row, col;
2441
2442	#if ENABLE_FRILLS	2534	#if ENABLE_FRILLS
2443	if (selection.rect)	2535	if (selection.rect)
2444	{	2536	scr_xor_rect (selection.beg.row, selection.beg.col,
2445	for (row = max (selection.beg.row, -view_start); row <= min (selection.end.row, view_end); row++)	2537	selection.end.row, selection.end.col,
2446	for (rend_t *srp = ROW(row).r, col = selection.beg.col; col < selection.end.col; col++)	2538	RS_RVid, RS_RVid | RS_Uline);
2447	srp[col] ^= RS_RVid;
2448	}
2449	else	2539	else
2450	#endif	2540	#endif
2451	{	2541	scr_xor_span (selection.beg.row, selection.beg.col,
2452	if (selection.beg.row >= -view_start)	2542	selection.end.row, selection.end.col,
2453	{	2543	RS_RVid);
2454	col = selection.beg.col;
2455	row = selection.beg.row;
2456	}
2457	else
2458	{
2459	col = 0;
2460	row = view_start;
2461	}
2462
2463	for (; row < min (selection.end.row, view_end); row++, col = 0)
2464	for (rend_t *srp = ROW(row).r; col < ncol; col++)
2465	srp[col] ^= RS_RVid;
2466
2467	if (row == selection.end.row)
2468	for (rend_t *srp = ROW(row).r; col < selection.end.col; col++)
2469	srp[col] ^= RS_RVid;
2470	}
2471	}	2544	}
2472	}	2545	}
2473		2546
2474	/* ------------------------------------------------------------------------- */	2547	/* ------------------------------------------------------------------------- */
2475	/*	2548	/*
2476	* Dump the whole scrollback and screen to the passed filedescriptor. The	2549	* Dump the whole scrollback and screen to the passed filedescriptor. The
2477	* invoking routine must close the fd.	2550	* invoking routine must close the fd.
2478	*/	2551	*/
2479	#if 0	2552	#if 0
2480	void	2553	void
2481	rxvt_term::scr_dump (int fd)	2554	rxvt_term::scr_dump (int fd) NOTHROW
2482	{	2555	{
2483	int row, wrote;	2556	int row, wrote;
2484	unsigned int width, towrite;	2557	unsigned int width, towrite;
2485	char r1[] = "\n";	2558	char r1[] = "\n";
2486		2559
…		…
2505		2578
2506	/* ------------------------------------------------------------------------- *	2579	/* ------------------------------------------------------------------------- *
2507	* CHARACTER SELECTION *	2580	* CHARACTER SELECTION *
2508	* ------------------------------------------------------------------------- */	2581	* ------------------------------------------------------------------------- */
2509	void	2582	void
2510	rxvt_term::selection_check (int check_more)	2583	rxvt_term::selection_check (int check_more) NOTHROW
2511	{	2584	{
2512	row_col_t pos;	2585	row_col_t pos;
2513		2586
2514	if (!selection.op)	2587	if (!selection.op)
2515	return;	2588	return;
2516		2589
2517	pos.row = pos.col = 0;	2590	pos.row = pos.col = 0;
2518	if (!IN_RANGE_EXC (selection.beg.row, -nsaved, nrow)	2591	if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2519	|| !IN_RANGE_EXC (selection.mark.row, -nsaved, nrow)	2592	|| !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2520	|| !IN_RANGE_EXC (selection.end.row, -nsaved, nrow)	2593	|| !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2521	|| (check_more == 1	2594	|| (check_more == 1
2522	&& current_screen == selection.screen	2595	&& current_screen == selection.screen
2523	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)	2596	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2524	&& ROWCOL_IS_BEFORE (screen.cur, selection.end))	2597	&& ROWCOL_IS_BEFORE (screen.cur, selection.end))
2525	|| (check_more == 2	2598	|| (check_more == 2
…		…
2536	/* ------------------------------------------------------------------------- */	2609	/* ------------------------------------------------------------------------- */
2537	/*	2610	/*
2538	* Paste a selection direct to the command fd	2611	* Paste a selection direct to the command fd
2539	*/	2612	*/
2540	void	2613	void
2541	rxvt_term::paste (unsigned char *data, unsigned int len)	2614	rxvt_term::paste (char *data, unsigned int len) NOTHROW
2542	{	2615	{
2543	/* convert normal newline chars into common keyboard Return key sequence */	2616	/* convert normal newline chars into common keyboard Return key sequence */
2544	for (unsigned int i = 0; i < len; i++)	2617	for (unsigned int i = 0; i < len; i++)
2545	if (data[i] == C0_LF)	2618	if (data[i] == C0_LF)
2546	data[i] = C0_CR;	2619	data[i] = C0_CR;
…		…
2552	/*	2625	/*
2553	* Respond to a notification that a primary selection has been sent	2626	* Respond to a notification that a primary selection has been sent
2554	* EXT: SelectionNotify	2627	* EXT: SelectionNotify
2555	*/	2628	*/
2556	void	2629	void
2557	rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop)	2630	rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW
2558	{	2631	{
2559	if (prop == None) /* check for failed XConvertSelection */	2632	if (prop == None) /* check for failed XConvertSelection */
2560	{	2633	{
2561	if ((selection_type & Sel_CompoundText))	2634	if ((selection_type & Sel_CompoundText))
2562	{	2635	{
…		…
2690	{	2763	{
2691	wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);	2764	wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2692	char *s = rxvt_wcstombs (w);	2765	char *s = rxvt_wcstombs (w);
2693	free (w);	2766	free (w);
2694	// TODO: strlen == only the first element will be converted. well...	2767	// TODO: strlen == only the first element will be converted. well...
2695	paste ((unsigned char *)s, strlen (s));	2768	paste (s, strlen (s));
2696	free (s);	2769	free (s);
2697	}	2770	}
2698	else	2771	else
2699	#endif	2772	#endif
2700	if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0	2773	if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0
2701	&& cl)	2774	&& cl)
2702	{	2775	{
2703	for (int i = 0; i < cr; i++)	2776	for (int i = 0; i < cr; i++)
2704	paste ((unsigned char *)cl[i], strlen (cl[i]));	2777	paste (cl[i], strlen (cl[i]));
2705		2778
2706	XFreeStringList (cl);	2779	XFreeStringList (cl);
2707	}	2780	}
2708	else	2781	else
2709	paste (ct.value, ct.nitems); // paste raw	2782	paste ((char *)ct.value, ct.nitems); // paste raw
2710		2783
2711	bailout:	2784	bailout:
2712	XFree (ct.value);	2785	XFree (ct.value);
2713		2786
2714	if (selection_wait == Sel_normal)	2787	if (selection_wait == Sel_normal)
2715	selection_wait = Sel_none;	2788	selection_wait = Sel_none;
2716	}	2789	}
2717		2790
2718	void	2791	void
2719	rxvt_term::incr_cb (time_watcher &w)	2792	rxvt_term::incr_cb (time_watcher &w) NOTHROW
2720	{	2793	{
2721	selection_wait = Sel_none;	2794	selection_wait = Sel_none;
2722		2795
2723	incr_buf_size = 0;	2796	incr_buf_size = 0;
2724	free (incr_buf);	2797	free (incr_buf);
2725		2798
2726	rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");	2799	rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2727	}	2800	}
2728		2801
2729	void	2802	void
2730	rxvt_term::selection_property (Window win, Atom prop)	2803	rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2731	{	2804	{
2732	if (prop == None || selection_wait != Sel_incr)	2805	if (prop == None || selection_wait != Sel_incr)
2733	return;	2806	return;
2734		2807
2735	selection_paste (win, prop, true);	2808	selection_paste (win, prop, true);
…		…
2744	* (+) if ownership is claimed but property is empty, rxvt_selection_paste ()	2817	* (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2745	* will auto fallback to CUT_BUFFER0	2818	* will auto fallback to CUT_BUFFER0
2746	* EXT: button 2 release	2819	* EXT: button 2 release
2747	*/	2820	*/
2748	void	2821	void
2749	rxvt_term::selection_request (Time tm, int x, int y)	2822	rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2750	{	2823	{
2751	if (x < 0 || x >= width || y < 0 || y >= height)	2824	if (selection.text && selnum == Sel_Primary)
2752	return; /* outside window */
2753
2754	if (selection.text)
2755	{ /* internal selection */	2825	{ /* internal selection */
2756	char *str = rxvt_wcstombs (selection.text, selection.len);	2826	char *str = rxvt_wcstombs (selection.text, selection.len);
2757	paste ((unsigned char *)str, strlen (str));	2827	paste (str, strlen (str));
2758	free (str);	2828	free (str);
2759	return;	2829	return;
2760	}	2830	}
2761	else	2831	else
2762	{	2832	{
2763	int i;
2764
2765	selection_request_time = tm;	2833	selection_request_time = tm;
2766	selection_wait = Sel_normal;	2834	selection_wait = Sel_normal;
2767		2835
2768	for (i = Sel_Primary; i <= Sel_Clipboard; i++)
2769	{
2770	#if X_HAVE_UTF8_STRING	2836	#if X_HAVE_UTF8_STRING
2771	selection_type = Sel_UTF8String;	2837	selection_type = Sel_UTF8String;
2772	if (selection_request_other (xa[XA_UTF8_STRING], i))	2838	if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2773	return;	2839	return;
2774	#else	2840	#else
2775	selection_type = Sel_CompoundText;	2841	selection_type = Sel_CompoundText;
2776	if (selection_request_other (xa[XA_COMPOUND_TEXT], i))	2842	if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2777	return;	2843	return;
2778	#endif	2844	#endif
2779	}
2780	}	2845	}
2781		2846
2782	selection_wait = Sel_none; /* don't loop in selection_paste () */	2847	selection_wait = Sel_none; /* don't loop in selection_paste () */
2783	selection_paste (display->root, XA_CUT_BUFFER0, false);	2848	selection_paste (display->root, XA_CUT_BUFFER0, false);
2784	}	2849	}
2785		2850
2786	int	2851	int
2787	rxvt_term::selection_request_other (Atom target, int selnum)	2852	rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2788	{	2853	{
2789	Atom sel;	2854	Atom sel;
2790		2855
2791	selection_type |= selnum;	2856	selection_type |= selnum;
2792		2857
…		…
2811	/*	2876	/*
2812	* Clear all selected text	2877	* Clear all selected text
2813	* EXT: SelectionClear	2878	* EXT: SelectionClear
2814	*/	2879	*/
2815	void	2880	void
2816	rxvt_term::selection_clear ()	2881	rxvt_term::selection_clear () NOTHROW
2817	{	2882	{
2818	want_refresh = 1;	2883	want_refresh = 1;
2819	free (selection.text);	2884	free (selection.text);
2820	selection.text = NULL;	2885	selection.text = NULL;
2821	selection.len = 0;	2886	selection.len = 0;
…		…
2854	selection.op = SELECTION_DONE;	2919	selection.op = SELECTION_DONE;
2855		2920
2856	if (selection.clicks == 4)	2921	if (selection.clicks == 4)
2857	return; /* nothing selected, go away */	2922	return; /* nothing selected, go away */
2858		2923
		2924	if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
		2925	return;
		2926
2859	i = (selection.end.row - selection.beg.row + 1) * (ncol + 1);	2927	i = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2860	new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));	2928	new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));
2861		2929
2862	int ofs = 0;	2930	int ofs = 0;
2863	int extra = 0;	2931	int extra = 0;
…		…
2875	col = selection.beg.col;	2943	col = selection.beg.col;
2876	end_col = ncol + 1;	2944	end_col = ncol + 1;
2877	}	2945	}
2878	else	2946	else
2879	#endif	2947	#endif
2880	end_col = ROW(row).is_longer () ? ncol : ROW(row).l; //TODO//FIXME//LEN	2948	end_col = ROW(row).l;
2881		2949
2882	col = max (col, 0);	2950	col = max (col, 0);
2883		2951
2884	if (row == selection.end.row || selection.rect)	2952	if (row == selection.end.row
		2953	#if ENABLE_FRILLS
		2954	|| selection.rect
		2955	#endif
		2956	)
2885	end_col = min (end_col, selection.end.col);	2957	min_it (end_col, selection.end.col);
2886		2958
2887	t = ROW(row).t + col;	2959	t = ROW(row).t + col;
		2960
2888	for (; col < end_col; col++)	2961	for (; col < end_col; col++)
2889	{	2962	{
2890	if (*t == NOCHAR)	2963	if (*t == NOCHAR)
2891	t++;	2964	t++;
2892	#if ENABLE_COMBINING	2965	#if ENABLE_COMBINING
…		…
2908	#endif	2981	#endif
2909	else	2982	else
2910	new_selection_text[ofs++] = *t++;	2983	new_selection_text[ofs++] = *t++;
2911	}	2984	}
2912		2985
		2986	#if ENABLE_FRILLS
		2987	if (selection.rect)
		2988	{
		2989	while (ofs
		2990	&& new_selection_text[ofs - 1] != C0_LF
		2991	&& unicode::is_space (new_selection_text[ofs - 1]))
		2992	--ofs;
		2993
		2994	new_selection_text[ofs++] = C0_LF;
		2995	}
		2996	else
		2997	#endif
2913	if (!ROW(row).is_longer () && row != selection.end.row)	2998	if (!ROW(row).is_longer () && row != selection.end.row)
2914	new_selection_text[ofs++] = C0_LF;	2999	new_selection_text[ofs++] = C0_LF;
2915	}	3000	}
2916		3001
2917	if (end_col != selection.end.col)	3002	if (end_col != selection.end.col)
2918	new_selection_text[ofs++] = C0_LF;	3003	new_selection_text[ofs++] = C0_LF;
2919		3004
…		…
2929		3014
2930	// we usually allocate much more than necessary, so realloc it smaller again	3015	// we usually allocate much more than necessary, so realloc it smaller again
2931	selection.len = ofs;	3016	selection.len = ofs;
2932	selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));	3017	selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2933		3018
		3019	if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
		3020	return;
		3021
		3022	selection_grab (tm);
		3023	}
		3024
		3025	bool
		3026	rxvt_term::selection_grab (Time tm) NOTHROW
		3027	{
		3028	selection_time = tm;
		3029
2934	XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm);	3030	XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm);
2935	if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt)	3031	if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt)
		3032	{
2936	display->set_selection_owner (this);	3033	display->set_selection_owner (this);
		3034	return true;
		3035	}
2937	else	3036	else
2938	rxvt_warn ("can't get primary selection, ignoring.\n");	3037	{
		3038	selection_clear ();
		3039	return false;
		3040	}
2939		3041
2940	#if 0	3042	#if 0
2941	XTextProperty ct;	3043	XTextProperty ct;
2942		3044
2943	if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)	3045	if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)
2944	{	3046	{
2945	set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);	3047	set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2946	XFree (ct.value);	3048	XFree (ct.value);
2947	}	3049	}
2948	#endif	3050	#endif
2949
2950	selection_time = tm;
2951	}	3051	}
2952		3052
2953	/* ------------------------------------------------------------------------- */	3053	/* ------------------------------------------------------------------------- */
2954	/*	3054	/*
2955	* Mark or select text based upon number of clicks: 1, 2, or 3	3055	* Mark or select text based upon number of clicks: 1, 2, or 3
2956	* EXT: button 1 press	3056	* EXT: button 1 press
2957	*/	3057	*/
2958	void	3058	void
2959	rxvt_term::selection_click (int clicks, int x, int y)	3059	rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
2960	{	3060	{
2961	clicks = ((clicks - 1) % 3) + 1;	3061	clicks = ((clicks - 1) % 3) + 1;
2962	selection.clicks = clicks; /* save clicks so extend will work */	3062	selection.clicks = clicks; /* save clicks so extend will work */
2963		3063
		3064	if (clicks == 2 && !selection.rect
		3065	&& HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
		3066	{
		3067	MEvent.clicks = 1; // what a mess
		3068	selection.screen = current_screen;
		3069	selection.op = SELECTION_CONT;
		3070	return;
		3071	}
		3072
2964	selection_start_colrow (Pixel2Col (x), Pixel2Row (y));	3073	selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2965		3074
2966	if (clicks == 2 || clicks == 3)	3075	if (clicks == 2 || clicks == 3)
2967	selection_extend_colrow (selection.mark.col,	3076	selection_extend_colrow (selection.mark.col,
2968	selection.mark.row + view_start,	3077	selection.mark.row - view_start,
2969	0, /* button 3 */	3078	0, /* button 3 */
2970	1, /* button press */	3079	1, /* button press */
2971	0); /* click change */	3080	0); /* click change */
2972	}	3081	}
2973		3082
2974	/* ------------------------------------------------------------------------- */	3083	/* ------------------------------------------------------------------------- */
2975	/*	3084	/*
2976	* Mark a selection at the specified col/row	3085	* Mark a selection at the specified col/row
2977	*/	3086	*/
2978	void	3087	void
2979	rxvt_term::selection_start_colrow (int col, int row)	3088	rxvt_term::selection_start_colrow (int col, int row) NOTHROW
2980	{	3089	{
2981	want_refresh = 1;	3090	want_refresh = 1;
2982		3091
2983	selection.mark.row = row - view_start;	3092	selection.mark.row = row + view_start;
2984	selection.mark.col = col;	3093	selection.mark.col = col;
2985		3094
2986	selection.mark.row = clamp (selection.mark.row, -nsaved, nrow - 1);	3095	selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
2987	selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);	3096	selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
2988		3097
2989	while (selection.mark.col > 0	3098	while (selection.mark.col > 0
2990	&& ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)	3099	&& ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
2991	--selection.mark.col;	3100	--selection.mark.col;
…		…
3010	#define DELIMIT_TEXT(x) \	3119	#define DELIMIT_TEXT(x) \
3011	(unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))	3120	(unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3012	#define DELIMIT_REND(x) 1	3121	#define DELIMIT_REND(x) 1
3013		3122
3014	void	3123	void
3015	rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret)	3124	rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
3016	{	3125	{
3017	int col, row, dirnadd, tcol, trow, w1, w2;	3126	int col, row, dirnadd, tcol, trow, w1, w2;
3018	row_col_t bound;	3127	row_col_t bound;
3019	text_t *stp;	3128	text_t *stp;
3020	rend_t *srp;	3129	rend_t *srp;
3021		3130
3022	if (dirn == UP)	3131	if (dirn == UP)
3023	{	3132	{
3024	bound.row = - nsaved - 1;	3133	bound.row = top_row - 1;
3025	bound.col = 0;	3134	bound.col = 0;
3026	dirnadd = -1;	3135	dirnadd = -1;
3027	}	3136	}
3028	else	3137	else
3029	{	3138	{
…		…
3077	}	3186	}
3078	}	3187	}
3079	break;	3188	break;
3080	}	3189	}
3081		3190
3082	Old_Word_Selection_You_Die:
3083	if (dirn == DN)	3191	if (dirn == DN)
3084	col++; /* put us on one past the end */	3192	col++; /* put us on one past the end */
3085		3193
3086	/* Poke the values back in */	3194	/* Poke the values back in */
3087	ret->row = row;	3195	ret->row = row;
…		…
3095	* flag == 0 ==> button 1	3203	* flag == 0 ==> button 1
3096	* flag == 1 ==> button 3 press	3204	* flag == 1 ==> button 3 press
3097	* flag == 2 ==> button 3 motion	3205	* flag == 2 ==> button 3 motion
3098	*/	3206	*/
3099	void	3207	void
3100	rxvt_term::selection_extend (int x, int y, int flag)	3208	rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
3101	{	3209	{
3102	int col = clamp (Pixel2Col (x), 0, ncol);	3210	int col = clamp (Pixel2Col (x), 0, ncol);
3103	int row = clamp (Pixel2Row (y), 0, nrow - 1);	3211	int row = clamp (Pixel2Row (y), 0, nrow - 1);
3104		3212
3105	/*	3213	/*
…		…
3108	* select nothing. Otherwise, if we're to the right of the mark, you have to	3216	* select nothing. Otherwise, if we're to the right of the mark, you have to
3109	* be _past_ a character for it to be selected.	3217	* be _past_ a character for it to be selected.
3110	*/	3218	*/
3111	if (((selection.clicks % 3) == 1) && !flag	3219	if (((selection.clicks % 3) == 1) && !flag
3112	&& (col == selection.mark.col	3220	&& (col == selection.mark.col
3113	&& (row == selection.mark.row + view_start)))	3221	&& (row == selection.mark.row - view_start)))
3114	{	3222	{
3115	/* select nothing */	3223	/* select nothing */
3116	selection.beg.row = selection.end.row = 0;	3224	selection.beg.row = selection.end.row = 0;
3117	selection.beg.col = selection.end.col = 0;	3225	selection.beg.col = selection.end.col = 0;
3118	selection.clicks = 4;	3226	selection.clicks = 4;
…		…
3131	/* ------------------------------------------------------------------------- */	3239	/* ------------------------------------------------------------------------- */
3132	/*	3240	/*
3133	* Extend the selection to the specified col/row	3241	* Extend the selection to the specified col/row
3134	*/	3242	*/
3135	void	3243	void
3136	rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange)	3244	rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
3137	{	3245	{
3138	row_col_t pos;	3246	row_col_t pos;
3139	enum {	3247	enum {
3140	LEFT, RIGHT	3248	LEFT, RIGHT
3141	} closeto = RIGHT;	3249	} closeto = RIGHT;
…		…
3173	selection.beg.col = selection.end.col = selection.mark.col;	3281	selection.beg.col = selection.end.col = selection.mark.col;
3174	selection.beg.row = selection.end.row = selection.mark.row;	3282	selection.beg.row = selection.end.row = selection.mark.row;
3175	}	3283	}
3176		3284
3177	pos.col = col;	3285	pos.col = col;
3178	pos.row = row - view_start;	3286	pos.row = view_start + row;
3179		3287
3180	/*	3288	/*
3181	* This is mainly xterm style selection with a couple of differences, mainly	3289	* This is mainly xterm style selection with a couple of differences, mainly
3182	* in the way button3 drag extension works.	3290	* in the way button3 drag extension works.
3183	* We're either doing: button1 drag; button3 press; or button3 drag	3291	* We're either doing: button1 drag; button3 press; or button3 drag
…		…
3270	selection_delimit_word (DN, &selection.end, &selection.end);	3378	selection_delimit_word (DN, &selection.end, &selection.end);
3271	}	3379	}
3272	else if (selection.clicks == 3)	3380	else if (selection.clicks == 3)
3273	{	3381	{
3274	#if ENABLE_FRILLS	3382	#if ENABLE_FRILLS
3275	if (options & Opt_tripleclickwords)	3383	if (OPTION (Opt_tripleclickwords))
3276	{	3384	{
3277	selection_delimit_word (UP, &selection.beg, &selection.beg);	3385	selection_delimit_word (UP, &selection.beg, &selection.beg);
3278		3386
3279	for (int end_row = selection.mark.row; end_row < nrow; end_row++)	3387	for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3280	{	3388	{
…		…
3327	#endif	3435	#endif
3328	}	3436	}
3329		3437
3330	#if ENABLE_FRILLS	3438	#if ENABLE_FRILLS
3331	void	3439	void
3332	rxvt_term::selection_remove_trailing_spaces ()	3440	rxvt_term::selection_remove_trailing_spaces () NOTHROW
3333	{	3441	{
3334	int32_t end_col, end_row;	3442	int32_t end_col, end_row;
3335	text_t *stp;	3443	text_t *stp;
3336		3444
3337	end_col = selection.end.col;	3445	end_col = selection.end.col;
…		…
3341	{	3449	{
3342	stp = ROW(end_row).t;	3450	stp = ROW(end_row).t;
3343		3451
3344	while (--end_col >= 0)	3452	while (--end_col >= 0)
3345	{	3453	{
3346	if (stp[end_col] != ' '	3454	if (stp[end_col] != NOCHAR
3347	&& stp[end_col] != '\t'	3455	&& !unicode::is_space (stp[end_col]))
3348	&& stp[end_col] != NOCHAR)
3349	break;	3456	break;
3350	}	3457	}
3351		3458
3352	if (end_col >= 0	3459	if (end_col >= 0
3353	|| !ROW(end_row - 1).is_longer ())	3460	|| !ROW(end_row - 1).is_longer ())
…		…
3376	/*	3483	/*
3377	* Double click on button 3 when already selected	3484	* Double click on button 3 when already selected
3378	* EXT: button 3 double click	3485	* EXT: button 3 double click
3379	*/	3486	*/
3380	void	3487	void
3381	rxvt_term::selection_rotate (int x, int y)	3488	rxvt_term::selection_rotate (int x, int y) NOTHROW
3382	{	3489	{
3383	selection.clicks = selection.clicks % 3 + 1;	3490	selection.clicks = selection.clicks % 3 + 1;
3384	selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);	3491	selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3385	}	3492	}
3386		3493
…		…
3388	/*	3495	/*
3389	* Respond to a request for our current selection	3496	* Respond to a request for our current selection
3390	* EXT: SelectionRequest	3497	* EXT: SelectionRequest
3391	*/	3498	*/
3392	void	3499	void
3393	rxvt_term::selection_send (const XSelectionRequestEvent &rq)	3500	rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3394	{	3501	{
3395	XSelectionEvent ev;	3502	XSelectionEvent ev;
3396	dDisp;	3503	dDisp;
3397		3504
3398	ev.type = SelectionNotify;	3505	ev.type = SelectionNotify;
…		…
3526		3633
3527	/*	3634	/*
3528	* return col/row values corresponding to x/y pixel values	3635	* return col/row values corresponding to x/y pixel values
3529	*/	3636	*/
3530	void	3637	void
3531	rxvt_term::pixel_position (int *x, int *y)	3638	rxvt_term::pixel_position (int *x, int *y) NOTHROW
3532	{	3639	{
3533	*x = Pixel2Col (*x);	3640	*x = Pixel2Col (*x);
3534	/* max_it (*x, 0); min_it (*x, (int)ncol - 1); */	3641	/* max_it (*x, 0); min_it (*x, (int)ncol - 1); */
3535	*y = Pixel2Row (*y);	3642	*y = Pixel2Row (*y);
3536	/* max_it (*y, 0); min_it (*y, (int)nrow - 1); */	3643	/* max_it (*y, 0); min_it (*y, (int)nrow - 1); */
3537	}	3644	}
3538		3645
3539	/* ------------------------------------------------------------------------- */	3646	/* ------------------------------------------------------------------------- */
3540	#ifdef USE_XIM	3647	#ifdef USE_XIM
3541	void	3648	void
3542	rxvt_term::im_set_position (XPoint &pos)	3649	rxvt_term::im_set_position (XPoint &pos) NOTHROW
3543	{	3650	{
3544	XWindowAttributes xwa;	3651	XWindowAttributes xwa;
3545		3652
3546	XGetWindowAttributes (display->display, vt, &xwa);	3653	XGetWindowAttributes (display->display, vt, &xwa);
3547		3654
…		…
3550	}	3657	}
3551	#endif	3658	#endif
3552		3659
3553	#if ENABLE_OVERLAY	3660	#if ENABLE_OVERLAY
3554	void	3661	void
3555	rxvt_term::scr_overlay_new (int x, int y, int w, int h)	3662	rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW
3556	{	3663	{
3557	if (nrow < 3 || ncol < 3)	3664	if (nrow < 1 || ncol < 1)
3558	return;	3665	return;
3559		3666
3560	want_refresh = 1;	3667	want_refresh = 1;
3561		3668
3562	scr_overlay_off ();	3669	scr_overlay_off ();
…		…
3605	*rp = r;	3712	*rp = r;
3606	}	3713	}
3607	}	3714	}
3608		3715
3609	void	3716	void
3610	rxvt_term::scr_overlay_off ()	3717	rxvt_term::scr_overlay_off () NOTHROW
3611	{	3718	{
3612	if (!ov_text)	3719	if (!ov_text)
3613	return;	3720	return;
3614		3721
3615	want_refresh = 1;	3722	want_refresh = 1;
…		…
3623	delete [] ov_text; ov_text = 0;	3730	delete [] ov_text; ov_text = 0;
3624	delete [] ov_rend; ov_rend = 0;	3731	delete [] ov_rend; ov_rend = 0;
3625	}	3732	}
3626		3733
3627	void	3734	void
3628	rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend)	3735	rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3629	{	3736	{
3630	if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2)	3737	if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2)
3631	return;	3738	return;
3632		3739
3633	x++, y++;	3740	x++, y++;
…		…
3635	ov_text[y][x] = text;	3742	ov_text[y][x] = text;
3636	ov_rend[y][x] = rend;	3743	ov_rend[y][x] = rend;
3637	}	3744	}
3638		3745
3639	void	3746	void
3640	rxvt_term::scr_overlay_set (int x, int y, const char *s)	3747	rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3641	{	3748	{
3642	while (*s)	3749	while (*s)
3643	scr_overlay_set (x++, y, *s++);	3750	scr_overlay_set (x++, y, *s++);
3644	}	3751	}
3645		3752
3646	void	3753	void
3647	rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s)	3754	rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW
3648	{	3755	{
3649	while (*s)	3756	while (*s)
3650	{	3757	{
3651	text_t t = *s++;	3758	text_t t = *s++;
3652	int width = wcwidth (t);	3759	int width = wcwidth (t);
…		…
3658	}	3765	}
3659	}	3766	}
3660	}	3767	}
3661		3768
3662	void	3769	void
3663	rxvt_term::scr_swap_overlay ()	3770	rxvt_term::scr_swap_overlay () NOTHROW
3664	{	3771	{
3665	if (!ov_text)	3772	if (!ov_text)
3666	return;	3773	return;
3667		3774
3668	// swap screen mem with overlay	3775	// swap screen mem with overlay
3669	for (int y = ov_h; y--; )	3776	for (int y = ov_h; y--; )
3670	{	3777	{
3671	text_t *t1 = ov_text[y];	3778	text_t *t1 = ov_text[y];
3672	rend_t *r1 = ov_rend[y];	3779	rend_t *r1 = ov_rend[y];
3673		3780
3674	text_t *t2 = ROW(y - view_start).t + ov_x;	3781	text_t *t2 = ROW(y + ov_y + view_start).t + ov_x;
3675	rend_t *r2 = ROW(y - view_start).r + ov_x;	3782	rend_t *r2 = ROW(y + ov_y + view_start).r + ov_x;
3676		3783
3677	for (int x = ov_w; x--; )	3784	for (int x = ov_w; x--; )
3678	{	3785	{
3679	text_t t = *t1; *t1++ = *t2; *t2++ = t;	3786	text_t t = *t1; *t1++ = *t2; *t2++ = t;
3680	rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));	3787	rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines