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

Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.212 by root, Fri Jan 6 05:37:59 2006 UTC vs.
Revision 1.246 by root, Sat Jan 21 14:25:05 2006 UTC

…		…
115	* SCREEN `COMMON' ROUTINES *	115	* SCREEN `COMMON' ROUTINES *
116	* ------------------------------------------------------------------------- */	116	* ------------------------------------------------------------------------- */
117		117
118	/* Fill part/all of a line with blanks. */	118	/* Fill part/all of a line with blanks. */
119	void	119	void
120	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
121	{	121	{
122	if (!l.t)	122	if (!l.t)
123	{	123	{
124	lalloc (l);	124	lalloc (l);
125	col = 0;	125	col = 0;
…		…
142	}	142	}
143		143
144	/* ------------------------------------------------------------------------- */	144	/* ------------------------------------------------------------------------- */
145	/* 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 */
146	void	146	void
147	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
148	{	148	{
149	scr_blank_line (l, 0, ncol, efs);	149	scr_blank_line (l, 0, ncol, efs);
		150
		151	l.l = 0;
		152	l.f = 0;
150	}	153	}
151		154
152	/* ------------------------------------------------------------------------- *	155	/* ------------------------------------------------------------------------- *
153	* SCREEN INITIALISATION *	156	* SCREEN INITIALISATION *
154	* ------------------------------------------------------------------------- */	157	* ------------------------------------------------------------------------- */
…		…
176	if (nrow + saveLines < 2)	179	if (nrow + saveLines < 2)
177	{	180	{
178	//TODO//FIXME	181	//TODO//FIXME
179	saveLines++;	182	saveLines++;
180	prev_nrow--;	183	prev_nrow--;
181	nsaved++;	184	top_row--;
182	}	185	}
183		186
184	want_refresh = 1;	187	want_refresh = 1;
185		188
186	int prev_total_rows = prev_nrow + saveLines;	189	int prev_total_rows = prev_nrow + saveLines;
…		…
191		194
192	if (!row_buf)	195	if (!row_buf)
193	{	196	{
194	/*	197	/*
195	* 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
196	* Note: this is still needed so that all the scrollback lines are NULL
197	*/	199	*/
198	nsaved = 0; /* no saved lines */	200	top_row = 0; /* no saved lines */
199	term_start = 0;	201	term_start = 0;
200		202
201	talloc = new rxvt_salloc (ncol * sizeof (text_t));	203	talloc = new rxvt_salloc (ncol * sizeof (text_t));
202	ralloc = new rxvt_salloc (ncol * sizeof (rend_t));	204	ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
203		205
204	row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));	206	row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
205	temp_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
206	drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));	207	drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
207	swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));	208	swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
208		209
209	for (int row = nrow; row--; )	210	for (int row = nrow; row--; )
210	{	211	{
211	scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);	212	scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
212	scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);	213	scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
…		…
233	selection.text = NULL;	234	selection.text = NULL;
234	selection.len = 0;	235	selection.len = 0;
235	selection.op = SELECTION_CLEAR;	236	selection.op = SELECTION_CLEAR;
236	selection.screen = PRIMARY;	237	selection.screen = PRIMARY;
237	selection.clicks = 0;	238	selection.clicks = 0;
238	CLEAR_ALL_SELECTION ();	239	rvideo_state = rvideo_mode = false;
239	rvideo = 0;
240	}	240	}
241	else	241	else
242	{	242	{
243	/*	243	/*
244	* add or delete rows as appropriate	244	* add or delete rows as appropriate
…		…
257	}	257	}
258	}	258	}
259	#endif	259	#endif
260		260
261	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));
262	temp_buf = (line_t *)rxvt_realloc (temp_buf , nrow * sizeof (line_t));
263	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));
264		263
265	for (int row = min (nrow, prev_nrow); row--; )	264	for (int row = min (nrow, prev_nrow); row--; )
266	{	265	{
267	lresize (drawn_buf[row]);	266	lresize (drawn_buf[row]);
…		…
272	{	271	{
273	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);
274	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);
275	}	274	}
276		275
		276	line_t *old_buf = row_buf;
277	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));
278		278
279	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
280	int pend = MOD (term_start - nsaved , prev_total_rows);	280	int pend = MOD (term_start + top_row , prev_total_rows);
281	int q = total_rows; // rewrapped row	281	int q = total_rows; // rewrapped row
282		282
283	if (nsaved)	283	if (top_row)
284	{	284	{
285	// 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
286	// to come up with a lean and mean algorithm.	286	// to come up with a lean and mean algorithm.
287		287
288	row_col_t ocur = screen.cur;	288	row_col_t ocur = screen.cur;
…		…
324	qline->l = ncol;	324	qline->l = ncol;
325	qline->is_longer (1);	325	qline->is_longer (1);
326		326
327	int qcol = 0;	327	int qcol = 0;
328		328
		329	// see below for cursor adjustment rationale
		330	if (p == ocur.row)
		331	screen.cur.row = q - (total_rows - nrow);
		332
329	// fill a single destination line	333	// fill a single destination line
330	while (lofs < llen && qcol < ncol)	334	while (lofs < llen && qcol < ncol)
331	{	335	{
332	int prow = lofs / prev_ncol;	336	int prow = lofs / prev_ncol;
333	int pcol = lofs % prev_ncol;	337	int pcol = lofs % prev_ncol;
…		…
343		347
344	line_t &pline = old_buf [prow];	348	line_t &pline = old_buf [prow];
345		349
346	int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);	350	int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
347		351
		352	#if DEBUG_STRICT
348	assert (len);	353	assert (len);
349	assert (pline.t);	354	assert (pline.t);
		355	#endif
350		356
351	memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));	357	memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
352	memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));	358	memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
353		359
354	lofs += len;	360	lofs += len;
…		…
361	scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);	367	scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
362	}	368	}
363	while (p != pend && q > 0);	369	while (p != pend && q > 0);
364		370
365	term_start = total_rows - nrow;	371	term_start = total_rows - nrow;
366	nsaved = term_start - q;	372	top_row = q - term_start;
367		373
368	// make sure all terminal lines exist	374	// make sure all terminal lines exist
369	while (nsaved < 0)	375	while (top_row > 0)
370	scr_blank_screen_mem (ROW (-++nsaved), DEFAULT_RSTYLE);	376	scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
371	}	377	}
372	else	378	else
373	{	379	{
374	// if no scrollback exists (yet), wing, instead of wrap	380	// if no scrollback exists (yet), wing, instead of wrap
375		381
…		…
388	}	394	}
389		395
390	term_start = 0;	396	term_start = 0;
391	}	397	}
392		398
393	#ifdef DEBUG_STRICT //TODO: remove
394	for (int i = -nsaved; i < nrow; i++)
395	assert (ROW (i).t);
396	#endif
397
398	free (old_buf);	399	free (old_buf);
399	delete old_ta;	400	delete old_ta;
400	delete old_ra;	401	delete old_ra;
401		402
402	clamp_it (screen.cur.row, 0, nrow - 1);	403	clamp_it (screen.cur.row, 0, nrow - 1);
…		…
404		405
405	if (tabs)	406	if (tabs)
406	free (tabs);	407	free (tabs);
407	}	408	}
408		409
		410	CLEAR_ALL_SELECTION ();
		411
409	prev_nrow = nrow;	412	prev_nrow = nrow;
410	prev_ncol = ncol;	413	prev_ncol = ncol;
411		414
412	tabs = (char *)rxvt_malloc (ncol * sizeof (char));	415	tabs = (char *)rxvt_malloc (ncol * sizeof (char));
413		416
…		…
422	/* ------------------------------------------------------------------------- */	425	/* ------------------------------------------------------------------------- */
423	/*	426	/*
424	* Free everything. That way malloc debugging can find leakage.	427	* Free everything. That way malloc debugging can find leakage.
425	*/	428	*/
426	void	429	void
427	rxvt_term::scr_release ()	430	rxvt_term::scr_release () NOTHROW
428	{	431	{
429	delete talloc; talloc = 0;	432	delete talloc; talloc = 0;
430	delete ralloc; ralloc = 0;	433	delete ralloc; ralloc = 0;
431		434
432	free (row_buf);	435	free (row_buf);
433	free (swap_buf);	436	free (swap_buf);
434	free (drawn_buf);	437	free (drawn_buf);
435	free (temp_buf);
436	free (tabs);	438	free (tabs);
437		439
438	row_buf = 0; // signal that we freed all the arrays	440	row_buf = 0; // signal that we freed all the arrays
439	}	441	}
440		442
441	/* ------------------------------------------------------------------------- */	443	/* ------------------------------------------------------------------------- */
442	/*	444	/*
443	* Hard reset	445	* Hard reset
444	*/	446	*/
445	void	447	void
446	rxvt_term::scr_poweron ()	448	rxvt_term::scr_poweron () NOTHROW
447	{	449	{
448	scr_release ();	450	scr_release ();
449	prev_nrow = prev_ncol = 0;	451	prev_nrow = prev_ncol = 0;
450	scr_reset ();	452	scr_reset ();
451		453
452	scr_clear (true);	454	scr_clear (true);
453	scr_refresh (SLOW_REFRESH);	455	scr_refresh ();
454	}	456	}
455		457
456	/* ------------------------------------------------------------------------- *	458	/* ------------------------------------------------------------------------- *
457	* PROCESS SCREEN COMMANDS *	459	* PROCESS SCREEN COMMANDS *
458	* ------------------------------------------------------------------------- */	460	* ------------------------------------------------------------------------- */
…		…
460	* Save and Restore cursor	462	* Save and Restore cursor
461	* XTERM_SEQ: Save cursor : ESC 7	463	* XTERM_SEQ: Save cursor : ESC 7
462	* XTERM_SEQ: Restore cursor: ESC 8	464	* XTERM_SEQ: Restore cursor: ESC 8
463	*/	465	*/
464	void	466	void
465	rxvt_term::scr_cursor (int mode)	467	rxvt_term::scr_cursor (cursor_mode mode) NOTHROW
466	{	468	{
467	screen_t *s;	469	screen_t *s;
468		470
469	#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)	471	#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
470	if (current_screen == SECONDARY)	472	if (current_screen == SECONDARY)
…		…
509	* Swap between primary and secondary screens	511	* Swap between primary and secondary screens
510	* XTERM_SEQ: Primary screen : ESC [ ? 4 7 h	512	* XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
511	* XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l	513	* XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
512	*/	514	*/
513	int	515	int
514	rxvt_term::scr_change_screen (int scrn)	516	rxvt_term::scr_change_screen (int scrn) NOTHROW
515	{	517	{
516	want_refresh = 1;	518	want_refresh = 1;
517	view_start = 0;	519	view_start = 0;
518		520
519	if (current_screen == scrn)	521	if (current_screen == scrn)
…		…
550	return scrn;	552	return scrn;
551	}	553	}
552		554
553	// clear WrapNext indicator, solidifying position on next line	555	// clear WrapNext indicator, solidifying position on next line
554	void	556	void
555	rxvt_term::scr_do_wrap ()	557	rxvt_term::scr_do_wrap () NOTHROW
556	{	558	{
557	if (!(screen.flags & Screen_WrapNext))	559	if (!(screen.flags & Screen_WrapNext))
558	return;	560	return;
559		561
560	screen.flags &= ~Screen_WrapNext;	562	screen.flags &= ~Screen_WrapNext;
…		…
570	/* ------------------------------------------------------------------------- */	572	/* ------------------------------------------------------------------------- */
571	/*	573	/*
572	* Change the colour for following text	574	* Change the colour for following text
573	*/	575	*/
574	void	576	void
575	rxvt_term::scr_color (unsigned int color, int fgbg)	577	rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW
576	{	578	{
577	if (color > maxTermCOLOR)	579	if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
578	color = fgbg;	580	color = fgbg;
579		581
580	if (fgbg == Color_fg)	582	if (fgbg == Color_fg)
581	rstyle = SET_FGCOLOR (rstyle, color);	583	rstyle = SET_FGCOLOR (rstyle, color);
582	else	584	else
…		…
586	/* ------------------------------------------------------------------------- */	588	/* ------------------------------------------------------------------------- */
587	/*	589	/*
588	* Change the rendition style for following text	590	* Change the rendition style for following text
589	*/	591	*/
590	void	592	void
591	rxvt_term::scr_rendition (int set, int style)	593	rxvt_term::scr_rendition (int set, int style) NOTHROW
592	{	594	{
593	if (set)	595	if (set)
594	rstyle |= style;	596	rstyle |= style;
595	else if (style == ~RS_None)	597	else if (style == ~RS_None)
596	rstyle = DEFAULT_RSTYLE;	598	rstyle = DEFAULT_RSTYLE;
…		…
603	* Scroll text between <row1> and <row2> inclusive, by <count> lines	605	* Scroll text between <row1> and <row2> inclusive, by <count> lines
604	* count positive ==> scroll up	606	* count positive ==> scroll up
605	* count negative ==> scroll down	607	* count negative ==> scroll down
606	*/	608	*/
607	int	609	int
608	rxvt_term::scr_scroll_text (int row1, int row2, int count)	610	rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
609	{	611	{
610	if (count == 0 || (row1 > row2))	612	if (count == 0 || (row1 > row2))
611	return 0;	613	return 0;
612		614
613	want_refresh = 1;	615	want_refresh = 1;
614	num_scr += count;	616	num_scr += count;
615		617
616	if (count > 0	618	if (count > 0
617	&& row1 == 0	619	&& row1 == 0
618	&& row2 == nrow - 1
619	&& (current_screen == PRIMARY || OPTION (Opt_secondaryScroll)))	620	&& (current_screen == PRIMARY || OPTION (Opt_secondaryScroll)))
620	{	621	{
621	nsaved = min (nsaved + count, saveLines);	622	top_row = max (top_row - count, -saveLines);
622		623
623	HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, nsaved, DT_END));	624	// scroll everything up 'count' lines
		625	term_start = (term_start + count) % total_rows;
		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	}
624		658
625	term_start = (term_start + count) % total_rows;	659	// move and/or clear selection, if any
626
627	if (selection.op && current_screen == selection.screen)	660	if (selection.op && current_screen == selection.screen)
628	{	661	{
629	selection.beg.row -= count;	662	selection.beg.row -= count;
630	selection.end.row -= count;	663	selection.end.row -= count;
631	selection.mark.row -= count;	664	selection.mark.row -= count;
632		665
633	if (selection.beg.row < -nsaved	666	if (selection.beg.row < top_row
634	|| selection.end.row < -nsaved	667	|| selection.end.row < top_row
635	|| selection.mark.row < -nsaved)	668	|| selection.mark.row < top_row)
636	{	669	{
637	CLEAR_ALL_SELECTION ();	670	CLEAR_ALL_SELECTION ();
638	selection.op = SELECTION_CLEAR;	671	selection.op = SELECTION_CLEAR;
639	}	672	}
640	}	673	}
641		674
642	for (int i = count; i--; )	675	// finally move the view window, if desired
643	{
644	ROW(row2 - i).l = 0;
645	scr_blank_screen_mem (ROW(row2 - i), rstyle);
646	}
647
648	if (OPTION (Opt_scrollWithBuffer)	676	if (OPTION (Opt_scrollWithBuffer)
649	&& view_start != 0	677	&& view_start != 0
650	&& view_start != saveLines)	678	&& view_start != -saveLines)
651	scr_page (UP, count);	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));
652	}	683	}
653	else	684	else
654	{	685	{
655	if (selection.op && current_screen == selection.screen)	686	if (selection.op && current_screen == selection.screen)
656	{	687	{
…		…
680		711
681	int rows = row2 - row1 + 1;	712	int rows = row2 - row1 + 1;
682		713
683	min_it (count, rows);	714	min_it (count, rows);
684		715
		716	line_t *temp_buf = row_buf + total_rows;
		717
685	for (int row = 0; row < rows; row++)	718	for (int row = 0; row < rows; row++)
686	{	719	{
687	temp_buf [row] = ROW(row1 + (row + count + rows) % rows);	720	temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
688		721
689	if (!IN_RANGE_EXC (row + count, 0, rows))	722	if (!IN_RANGE_EXC (row + count, 0, rows))
…		…
700	/* ------------------------------------------------------------------------- */	733	/* ------------------------------------------------------------------------- */
701	/*	734	/*
702	* Add text given in <str> of length <len> to screen struct	735	* Add text given in <str> of length <len> to screen struct
703	*/	736	*/
704	void	737	void
705	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
706	{	739	{
707	if (len <= 0) /* sanity */	740	if (len <= 0) /* sanity */
708	return;	741	return;
709		742
710	unsigned char checksel;	743	unsigned char checksel;
711	unicode_t c;	744	unicode_t c;
712	int ncol = this->ncol;	745	int ncol = this->ncol;
713	const unicode_t *strend = str + len;	746	const wchar_t *strend = str + len;
714		747
715	want_refresh = 1;	748	want_refresh = 1;
716	ZERO_SCROLLBACK ();	749	ZERO_SCROLLBACK ();
717		750
718	if (nlines > 0)	751	if (minlines > 0)
719	{	752	{
720	nlines += screen.cur.row - screen.bscroll;	753	minlines += screen.cur.row - screen.bscroll;
721		754
722	if (nlines > 0	755	if (minlines > 0
723	&& screen.tscroll == 0	756	&& screen.tscroll == 0
724	&& screen.bscroll == nrow - 1)	757	&& screen.bscroll == nrow - 1)
725	{	758	{
726	/* _at least_ this many lines need to be scrolled */	759	/* _at least_ this many lines need to be scrolled */
727	scr_scroll_text (screen.tscroll, screen.bscroll, nlines);	760	scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
728	screen.cur.row -= nlines;	761	screen.cur.row -= minlines;
729	}	762	}
730	}	763	}
731		764
732	#ifdef DEBUG_STRICT	765	#ifdef DEBUG_STRICT
733	assert (screen.cur.col < ncol);	766	assert (screen.cur.col < ncol);
734	assert (screen.cur.row < nrow	767	assert (screen.cur.row < nrow
735	&& screen.cur.row >= -nsaved);	768	&& screen.cur.row >= top_row);
736	#endif	769	#endif
737	int row = screen.cur.row;	770	int row = screen.cur.row;
738		771
739	checksel = selection.op && current_screen == selection.screen ? 1 : 0;	772	checksel = selection.op && current_screen == selection.screen ? 1 : 0;
740		773
741	line_t *line = &ROW(row);	774	line_t *line = &ROW(row);
742		775
743	while (str < strend)	776	while (str < strend)
744	{	777	{
745	c = *str++;	778	c = (unicode_t)*str++; // convert to rxvt-unicodes representation
746		779
747	if (c < 0x20)	780	if (c < 0x20)
748	if (c == C0_LF)	781	if (c == C0_LF)
749	{	782	{
750	max_it (line->l, screen.cur.col);	783	max_it (line->l, screen.cur.col);
…		…
786	CLEAR_SELECTION ();	819	CLEAR_SELECTION ();
787	}	820	}
788		821
789	if (screen.flags & Screen_WrapNext)	822	if (screen.flags & Screen_WrapNext)
790	{	823	{
791	max_it (line->l, ncol);
792	line->is_longer (1);
793
794	scr_do_wrap ();	824	scr_do_wrap ();
795		825
		826	line->l = ncol;
		827	line->is_longer (1);
		828
796	row = screen.cur.row;	829	row = screen.cur.row;
797	line = &ROW(row); /* _must_ refresh */	830	line = &ROW(row); /* _must_ refresh */
798	}	831	}
799		832
800	// some utf-8 decoders "decode" surrogate characters: let's fix this.	833	// some utf-8 decoders "decode" surrogate characters: let's fix this.
…		…
964	/*	997	/*
965	* 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
966	* XTERM_SEQ: CTRL-H	999	* XTERM_SEQ: CTRL-H
967	*/	1000	*/
968	void	1001	void
969	rxvt_term::scr_backspace ()	1002	rxvt_term::scr_backspace () NOTHROW
970	{	1003	{
971	want_refresh = 1;	1004	want_refresh = 1;
972		1005
973	if (screen.cur.col == 0)	1006	if (screen.cur.col == 0)
974	{	1007	{
…		…
992	* Process Horizontal Tab	1025	* Process Horizontal Tab
993	* count: +ve = forward; -ve = backwards	1026	* count: +ve = forward; -ve = backwards
994	* XTERM_SEQ: CTRL-I	1027	* XTERM_SEQ: CTRL-I
995	*/	1028	*/
996	void	1029	void
997	rxvt_term::scr_tab (int count, bool ht)	1030	rxvt_term::scr_tab (int count, bool ht) NOTHROW
998	{	1031	{
999	int i, x;	1032	int i, x;
1000		1033
1001	want_refresh = 1;	1034	want_refresh = 1;
1002	i = x = screen.cur.col;	1035	i = x = screen.cur.col;
…		…
1069	* 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
1070	* in that row right. Clear left column.	1103	* in that row right. Clear left column.
1071	*/	1104	*/
1072	#if ENABLE_FRILLS	1105	#if ENABLE_FRILLS
1073	void	1106	void
1074	rxvt_term::scr_backindex ()	1107	rxvt_term::scr_backindex () NOTHROW
1075	{	1108	{
1076	if (screen.cur.col > 0)	1109	if (screen.cur.col > 0)
1077	scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);	1110	scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1078	else	1111	else
1079	scr_insdel_chars (1, INSERT);	1112	scr_insdel_chars (1, INSERT);
…		…
1086	* 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
1087	* in that row left. Clear right column.	1120	* in that row left. Clear right column.
1088	*/	1121	*/
1089	#if ENABLE_FRILLS	1122	#if ENABLE_FRILLS
1090	void	1123	void
1091	rxvt_term::scr_forwardindex ()	1124	rxvt_term::scr_forwardindex () NOTHROW
1092	{	1125	{
1093	if (screen.cur.col < ncol - 1)	1126	if (screen.cur.col < ncol - 1)
1094	scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);	1127	scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1095	else	1128	else
1096	{	1129	{
…		…
1109	/* ------------------------------------------------------------------------- */	1142	/* ------------------------------------------------------------------------- */
1110	/*	1143	/*
1111	* Goto Row/Column	1144	* Goto Row/Column
1112	*/	1145	*/
1113	void	1146	void
1114	rxvt_term::scr_gotorc (int row, int col, int relative)	1147	rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW
1115	{	1148	{
1116	want_refresh = 1;	1149	want_refresh = 1;
1117	ZERO_SCROLLBACK ();	1150	ZERO_SCROLLBACK ();
1118		1151
1119	screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;	1152	screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
…		…
1157	/* ------------------------------------------------------------------------- */	1190	/* ------------------------------------------------------------------------- */
1158	/*	1191	/*
1159	* direction should be UP or DN	1192	* direction should be UP or DN
1160	*/	1193	*/
1161	void	1194	void
1162	rxvt_term::scr_index (enum page_dirn direction)	1195	rxvt_term::scr_index (enum page_dirn direction) NOTHROW
1163	{	1196	{
1164	int dirn;	1197	int dirn;
1165		1198
1166	want_refresh = 1;	1199	want_refresh = 1;
1167	ZERO_SCROLLBACK ();	1200	ZERO_SCROLLBACK ();
…		…
1186	* XTERM_SEQ: Clear line to right: ESC [ 0 K	1219	* XTERM_SEQ: Clear line to right: ESC [ 0 K
1187	* XTERM_SEQ: Clear line to left : ESC [ 1 K	1220	* XTERM_SEQ: Clear line to left : ESC [ 1 K
1188	* XTERM_SEQ: Clear whole line : ESC [ 2 K	1221	* XTERM_SEQ: Clear whole line : ESC [ 2 K
1189	*/	1222	*/
1190	void	1223	void
1191	rxvt_term::scr_erase_line (int mode)	1224	rxvt_term::scr_erase_line (int mode) NOTHROW
1192	{	1225	{
1193	unsigned int col, num;	1226	unsigned int col, num;
1194		1227
1195	want_refresh = 1;	1228	want_refresh = 1;
1196	ZERO_SCROLLBACK ();	1229	ZERO_SCROLLBACK ();
…		…
1240	* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J	1273	* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1241	* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J	1274	* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1242	* XTERM_SEQ: Clear whole screen : ESC [ 2 J	1275	* XTERM_SEQ: Clear whole screen : ESC [ 2 J
1243	*/	1276	*/
1244	void	1277	void
1245	rxvt_term::scr_erase_screen (int mode)	1278	rxvt_term::scr_erase_screen (int mode) NOTHROW
1246	{	1279	{
1247	int num;	1280	int num;
1248	int32_t row;	1281	int32_t row;
1249	rend_t ren;	1282	rend_t ren;
1250	XGCValues gcvalue;	1283	XGCValues gcvalue;
…		…
1303	XChangeGC (display->display, gc, GCForeground, &gcvalue);	1336	XChangeGC (display->display, gc, GCForeground, &gcvalue);
1304	}	1337	}
1305		1338
1306	for (; num--; row++)	1339	for (; num--; row++)
1307	{	1340	{
1308	line_t &l = ROW(row);
1309	l.l = 0;
1310	l.is_longer (0);
1311	scr_blank_screen_mem (l, rstyle);	1341	scr_blank_screen_mem (ROW(row), rstyle);
1312	scr_blank_line (drawn_buf [row], 0, ncol, ren);	1342	scr_blank_line (drawn_buf [row], 0, ncol, ren);
1313	}	1343	}
1314	}	1344	}
1315		1345
1316	#if ENABLE_FRILLS	1346	#if ENABLE_FRILLS
1317	void	1347	void
1318	rxvt_term::scr_erase_savelines ()	1348	rxvt_term::scr_erase_savelines () NOTHROW
1319	{	1349	{
1320	want_refresh = 1;	1350	want_refresh = 1;
1321	ZERO_SCROLLBACK ();	1351	ZERO_SCROLLBACK ();
1322		1352
1323	nsaved = 0;	1353	top_row = 0;
1324	}	1354	}
1325	#endif	1355	#endif
1326		1356
1327	/* ------------------------------------------------------------------------- */	1357	/* ------------------------------------------------------------------------- */
1328	/*	1358	/*
1329	* Fill the screen with `E's	1359	* Fill the screen with `E's
1330	* XTERM_SEQ: Screen Alignment Test: ESC # 8	1360	* XTERM_SEQ: Screen Alignment Test: ESC # 8
1331	*/	1361	*/
1332	void	1362	void
1333	rxvt_term::scr_E ()	1363	rxvt_term::scr_E () NOTHROW
1334	{	1364	{
1335	rend_t fs;	1365	rend_t fs;
1336		1366
1337	want_refresh = 1;	1367	want_refresh = 1;
1338	ZERO_SCROLLBACK ();	1368	ZERO_SCROLLBACK ();
…		…
1359	/* ------------------------------------------------------------------------- */	1389	/* ------------------------------------------------------------------------- */
1360	/*	1390	/*
1361	* Insert/Delete <count> lines	1391	* Insert/Delete <count> lines
1362	*/	1392	*/
1363	void	1393	void
1364	rxvt_term::scr_insdel_lines (int count, int insdel)	1394	rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW
1365	{	1395	{
1366	int end;	1396	int end;
1367		1397
1368	ZERO_SCROLLBACK ();	1398	ZERO_SCROLLBACK ();
1369		1399
…		…
1389	/* ------------------------------------------------------------------------- */	1419	/* ------------------------------------------------------------------------- */
1390	/*	1420	/*
1391	* Insert/Delete <count> characters from the current position	1421	* Insert/Delete <count> characters from the current position
1392	*/	1422	*/
1393	void	1423	void
1394	rxvt_term::scr_insdel_chars (int count, int insdel)	1424	rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1395	{	1425	{
1396	int col, row;	1426	int col, row;
1397	rend_t tr;	1427	rend_t tr;
1398		1428
1399	want_refresh = 1;	1429	want_refresh = 1;
…		…
1487	/*	1517	/*
1488	* Set the scrolling region	1518	* Set the scrolling region
1489	* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r	1519	* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1490	*/	1520	*/
1491	void	1521	void
1492	rxvt_term::scr_scroll_region (int top, int bot)	1522	rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1493	{	1523	{
1494	max_it (top, 0);	1524	max_it (top, 0);
1495	min_it (bot, nrow - 1);	1525	min_it (bot, nrow - 1);
1496		1526
1497	if (top > bot)	1527	if (top > bot)
…		…
1507	* Make the cursor visible/invisible	1537	* Make the cursor visible/invisible
1508	* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h	1538	* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1509	* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l	1539	* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1510	*/	1540	*/
1511	void	1541	void
1512	rxvt_term::scr_cursor_visible (int mode)	1542	rxvt_term::scr_cursor_visible (int mode) NOTHROW
1513	{	1543	{
1514	want_refresh = 1;	1544	want_refresh = 1;
1515		1545
1516	if (mode)	1546	if (mode)
1517	screen.flags |= Screen_VisibleCursor;	1547	screen.flags |= Screen_VisibleCursor;
…		…
1524	* Set/unset automatic wrapping	1554	* Set/unset automatic wrapping
1525	* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h	1555	* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1526	* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l	1556	* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1527	*/	1557	*/
1528	void	1558	void
1529	rxvt_term::scr_autowrap (int mode)	1559	rxvt_term::scr_autowrap (int mode) NOTHROW
1530	{	1560	{
1531	if (mode)	1561	if (mode)
1532	screen.flags |= Screen_Autowrap;	1562	screen.flags |= Screen_Autowrap;
1533	else	1563	else
1534	screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);	1564	screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
…		…
1543	* and the cursor cannot be moved outside.	1573	* and the cursor cannot be moved outside.
1544	* XTERM_SEQ: Set Absolute: ESC [ ? 6 h	1574	* XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1545	* XTERM_SEQ: Set Relative: ESC [ ? 6 l	1575	* XTERM_SEQ: Set Relative: ESC [ ? 6 l
1546	*/	1576	*/
1547	void	1577	void
1548	rxvt_term::scr_relative_origin (int mode)	1578	rxvt_term::scr_relative_origin (int mode) NOTHROW
1549	{	1579	{
1550	if (mode)	1580	if (mode)
1551	screen.flags |= Screen_Relative;	1581	screen.flags |= Screen_Relative;
1552	else	1582	else
1553	screen.flags &= ~Screen_Relative;	1583	screen.flags &= ~Screen_Relative;
…		…
1560	* Set insert/replace mode	1590	* Set insert/replace mode
1561	* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h	1591	* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1562	* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l	1592	* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1563	*/	1593	*/
1564	void	1594	void
1565	rxvt_term::scr_insert_mode (int mode)	1595	rxvt_term::scr_insert_mode (int mode) NOTHROW
1566	{	1596	{
1567	if (mode)	1597	if (mode)
1568	screen.flags |= Screen_Insert;	1598	screen.flags |= Screen_Insert;
1569	else	1599	else
1570	screen.flags &= ~Screen_Insert;	1600	screen.flags &= ~Screen_Insert;
…		…
1576	* XTERM_SEQ: Set tab at current column : ESC H	1606	* XTERM_SEQ: Set tab at current column : ESC H
1577	* XTERM_SEQ: Clear tab at current column: ESC [ 0 g	1607	* XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1578	* XTERM_SEQ: Clear all tabs : ESC [ 3 g	1608	* XTERM_SEQ: Clear all tabs : ESC [ 3 g
1579	*/	1609	*/
1580	void	1610	void
1581	rxvt_term::scr_set_tab (int mode)	1611	rxvt_term::scr_set_tab (int mode) NOTHROW
1582	{	1612	{
1583	if (mode < 0)	1613	if (mode < 0)
1584	memset (tabs, 0, ncol * sizeof (char));	1614	memset (tabs, 0, ncol * sizeof (char));
1585	else if (screen.cur.col < ncol)	1615	else if (screen.cur.col < ncol)
1586	tabs [screen.cur.col] = !!mode;	1616	tabs [screen.cur.col] = !!mode;
…		…
1591	* Set reverse/normal video	1621	* Set reverse/normal video
1592	* XTERM_SEQ: Reverse video: ESC [ ? 5 h	1622	* XTERM_SEQ: Reverse video: ESC [ ? 5 h
1593	* XTERM_SEQ: Normal video : ESC [ ? 5 l	1623	* XTERM_SEQ: Normal video : ESC [ ? 5 l
1594	*/	1624	*/
1595	void	1625	void
1596	rxvt_term::scr_rvideo_mode (int mode)	1626	rxvt_term::scr_rvideo_mode (bool on) NOTHROW
1597	{	1627	{
1598	XGCValues gcvalue;	1628	rvideo_mode = on;
1599		1629
		1630	#ifndef NO_BELL
		1631	on ^= rvideo_bell;
		1632	#endif
		1633
1600	if (rvideo != mode)	1634	if (rvideo_state != on)
1601	{	1635	{
1602	rvideo = mode;	1636	rvideo_state = on;
		1637
1603	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);	1638	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1604	#if XPM_BACKGROUND	1639	#if XPM_BACKGROUND
1605	if (bgPixmap.pixmap == None)	1640	if (bgPixmap.pixmap == None)
1606	#endif	1641	#endif
1607	#if TRANSPARENT	1642	#if TRANSPARENT
1608	if (! OPTION (Opt_transparent) || am_transparent == 0)	1643	if (!OPTION (Opt_transparent) || am_transparent == 0)
1609	#endif	1644	#endif
1610	XSetWindowBackground (display->display, vt,	1645	XSetWindowBackground (display->display, vt, pix_colors[Color_bg]);
1611	pix_colors[Color_bg]);
1612		1646
		1647	XGCValues gcvalue;
1613	gcvalue.foreground = pix_colors[Color_fg];	1648	gcvalue.foreground = pix_colors[Color_fg];
1614	gcvalue.background = pix_colors[Color_bg];	1649	gcvalue.background = pix_colors[Color_bg];
1615	XChangeGC (display->display, gc, GCBackground | GCForeground,	1650	XChangeGC (display->display, gc, GCBackground | GCForeground, &gcvalue);
1616	&gcvalue);	1651
1617	scr_clear ();	1652	scr_clear ();
1618	scr_touch (true);	1653	scr_touch (true);
1619	}	1654	}
1620	}	1655	}
1621		1656
…		…
1623	/*	1658	/*
1624	* Report current cursor position	1659	* Report current cursor position
1625	* XTERM_SEQ: Report position: ESC [ 6 n	1660	* XTERM_SEQ: Report position: ESC [ 6 n
1626	*/	1661	*/
1627	void	1662	void
1628	rxvt_term::scr_report_position ()	1663	rxvt_term::scr_report_position () NOTHROW
1629	{	1664	{
1630	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);
1631	}	1666	}
1632		1667
1633	/* ------------------------------------------------------------------------- *	1668	/* ------------------------------------------------------------------------- *
…		…
1636		1671
1637	/*	1672	/*
1638	* Set font style	1673	* Set font style
1639	*/	1674	*/
1640	void	1675	void
1641	rxvt_term::set_font_style ()	1676	rxvt_term::set_font_style () NOTHROW
1642	{	1677	{
1643	#if 0	1678	#if 0
1644	switch (charsets [screen.charset])	1679	switch (charsets [screen.charset])
1645	{	1680	{
1646	case '0': /* DEC Special Character & Line Drawing Set */	1681	case '0': /* DEC Special Character & Line Drawing Set */
…		…
1668	* XTERM_SEQ: Invoke G1 character set: CTRL-N	1703	* XTERM_SEQ: Invoke G1 character set: CTRL-N
1669	* XTERM_SEQ: Invoke G2 character set: ESC N	1704	* XTERM_SEQ: Invoke G2 character set: ESC N
1670	* XTERM_SEQ: Invoke G3 character set: ESC O	1705	* XTERM_SEQ: Invoke G3 character set: ESC O
1671	*/	1706	*/
1672	void	1707	void
1673	rxvt_term::scr_charset_choose (int set)	1708	rxvt_term::scr_charset_choose (int set) NOTHROW
1674	{	1709	{
1675	screen.charset = set;	1710	screen.charset = set;
1676	set_font_style ();	1711	set_font_style ();
1677	}	1712	}
1678		1713
…		…
1684	* XTERM_SEQ: Set G2 character set: ESC * <C>	1719	* XTERM_SEQ: Set G2 character set: ESC * <C>
1685	* XTERM_SEQ: Set G3 character set: ESC + <C>	1720	* XTERM_SEQ: Set G3 character set: ESC + <C>
1686	* See set_font_style for possible values for <C>	1721	* See set_font_style for possible values for <C>
1687	*/	1722	*/
1688	void	1723	void
1689	rxvt_term::scr_charset_set (int set, unsigned int ch)	1724	rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW
1690	{	1725	{
1691	charsets[set] = (unsigned char)ch;	1726	charsets[set] = (unsigned char)ch;
1692	set_font_style ();	1727	set_font_style ();
1693	}	1728	}
1694		1729
…		…
1699		1734
1700	/*	1735	/*
1701	* refresh matching text.	1736	* refresh matching text.
1702	*/	1737	*/
1703	bool	1738	bool
1704	rxvt_term::scr_refresh_rend (rend_t mask, rend_t value)	1739	rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1705	{	1740	{
1706	bool found = false;	1741	bool found = false;
1707		1742
1708	for (int i = 0; i < nrow; i++)	1743	for (int i = 0; i < nrow; i++)
1709	{	1744	{
…		…
1729	PART_END,	1764	PART_END,
1730	RC_COUNT	1765	RC_COUNT
1731	};	1766	};
1732		1767
1733	void	1768	void
1734	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
1735	{	1770	{
1736	int i;	1771	int i;
1737	row_col_t rc[RC_COUNT];	1772	row_col_t rc[RC_COUNT];
1738		1773
1739	if (!drawn_buf) /* sanity check */	1774	if (!drawn_buf) /* sanity check */
…		…
1762	}	1797	}
1763		1798
1764	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++)
1765	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);
1766		1801
		1802	num_scr_allow = 0;
		1803
1767	if (refresh)	1804	if (refresh)
1768	scr_refresh (SLOW_REFRESH);	1805	scr_refresh ();
1769	}	1806	}
1770		1807
1771	/* ------------------------------------------------------------------------- */	1808	/* ------------------------------------------------------------------------- */
1772	/*	1809	/*
1773	* Refresh the entire screen	1810	* Refresh the entire screen
1774	*/	1811	*/
1775	void	1812	void
1776	rxvt_term::scr_touch (bool refresh)	1813	rxvt_term::scr_touch (bool refresh) NOTHROW
1777	{	1814	{
1778	scr_expose (0, 0, width, height, refresh);	1815	scr_expose (0, 0, width, height, refresh);
1779	}	1816	}
1780		1817
1781	/* ------------------------------------------------------------------------- */	1818	/* ------------------------------------------------------------------------- */
1782	/*	1819	/*
1783	* 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
1784	* the top of the screen	1821	* the top of the screen
1785	*/	1822	*/
1786	int	1823	void
1787	rxvt_term::scr_move_to (int y, int len)	1824	rxvt_term::scr_move_to (int y, int len) NOTHROW
1788	{	1825	{
1789	long p = 0;	1826	scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));
1790	unsigned int oldviewstart;
1791
1792	oldviewstart = view_start;
1793
1794	if (y < len)
1795	{
1796	p = (nrow + nsaved) * (len - y) / len;
1797	p -= (long) (nrow - 1);
1798	p = max (p, 0);
1799	}
1800
1801	view_start = (unsigned int)min (p, nsaved);
1802
1803	return scr_changeview (oldviewstart);
1804	}	1827	}
1805		1828
1806	/* ------------------------------------------------------------------------- */	1829	/* ------------------------------------------------------------------------- */
1807	/*	1830	/*
1808	* Page the screen up/down nlines	1831	* Page the screen up/down nlines
1809	* direction should be UP or DN	1832	* direction should be UP or DN
1810	*/	1833	*/
1811	int	1834	bool
1812	rxvt_term::scr_page (enum page_dirn direction, int nlines)	1835	rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW
1813	{	1836	{
1814	int n;	1837	int new_view_start =
1815	unsigned int oldviewstart;
1816
1817	oldviewstart = view_start;
1818
1819	if (direction == UP)
1820	{
1821	n = view_start + nlines;
1822	view_start = min (n, nsaved);
1823	}
1824	else
1825	{
1826	n = view_start - nlines;	1838	direction == UP ? view_start - nlines
1827	view_start = max (n, 0);	1839	: view_start + nlines;
1828	}
1829		1840
1830	return scr_changeview (oldviewstart);	1841	return scr_changeview (new_view_start);
1831	}	1842	}
1832		1843
1833	int	1844	bool
1834	rxvt_term::scr_changeview (unsigned int oldviewstart)	1845	rxvt_term::scr_changeview (int new_view_start) NOTHROW
1835	{	1846	{
		1847	clamp_it (new_view_start, top_row, 0);
		1848
1836	if (view_start != oldviewstart)	1849	if (new_view_start == view_start)
1837	{	1850	return false;
		1851
		1852	num_scr += new_view_start - view_start;
		1853	view_start = new_view_start;
		1854	want_refresh = 1;
		1855
1838	HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));	1856	HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1839		1857
1840	want_refresh = 1;	1858	return true;
1841	num_scr -= (view_start - oldviewstart);
1842	}
1843
1844	return (int)view_start - (int)oldviewstart;
1845	}	1859	}
1846		1860
1847	/* ------------------------------------------------------------------------- */	1861	#ifndef NO_BELL
1848	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
1849	rxvt_term::scr_bell ()	1872	rxvt_term::scr_bell () NOTHROW
1850	{	1873	{
1851	#ifndef NO_BELL	1874	#ifndef NO_BELL
1852		1875
1853	# ifndef NO_MAPALERT	1876	# ifndef NO_MAPALERT
1854	# ifdef MAPALERT_OPTION	1877	# ifdef MAPALERT_OPTION
…		…
1857	XMapWindow (display->display, parent[0]);	1880	XMapWindow (display->display, parent[0]);
1858	# endif	1881	# endif
1859		1882
1860	if (OPTION (Opt_visualBell))	1883	if (OPTION (Opt_visualBell))
1861	{	1884	{
1862	scr_rvideo_mode (!rvideo); /* refresh also done */	1885	rvideo_bell = true;
1863	rxvt_usleep (VISUAL_BELL_DURATION);	1886	scr_rvideo_mode (rvideo_mode);
1864	scr_rvideo_mode (!rvideo); /* refresh also done */	1887	display->flush ();
		1888
		1889	bell_ev.start (NOW + VISUAL_BELL_DURATION);
1865	}	1890	}
1866	else	1891	else
1867	XBell (display->display, 0);	1892	XBell (display->display, 0);
1868		1893
1869	#endif	1894	#endif
1870	}	1895	}
1871		1896
1872	/* ------------------------------------------------------------------------- */	1897	/* ------------------------------------------------------------------------- */
1873	/* ARGSUSED */	1898	/* ARGSUSED */
1874	void	1899	void
1875	rxvt_term::scr_printscreen (int fullhist)	1900	rxvt_term::scr_printscreen (int fullhist) NOTHROW
1876	{	1901	{
1877	#ifdef PRINTPIPE	1902	#ifdef PRINTPIPE
1878	int nrows, row_start;	1903	int nrows, row_start;
1879	FILE *fd;	1904	FILE *fd;
1880		1905
1881	if ((fd = popen_printer ()) == NULL)	1906	if ((fd = popen_printer ()) == NULL)
1882	return;	1907	return;
1883		1908
1884	if (fullhist)	1909	if (fullhist)
1885	{	1910	{
1886	nrows = nrow + nsaved;	1911	nrows = nrow - top_row;
1887	row_start = -nsaved;	1912	row_start = top_row;
1888	}	1913	}
1889	else	1914	else
1890	{	1915	{
1891	nrows = nrow;	1916	nrows = nrow;
1892	row_start = -view_start;	1917	row_start = view_start;
1893	}	1918	}
1894		1919
1895	wctomb (0, 0);	1920	wctomb (0, 0);
1896		1921
1897	for (int r1 = 0; r1 < nrows; r1++)	1922	for (int r1 = 0; r1 < nrows; r1++)
…		…
1929	* Refresh the screen	1954	* Refresh the screen
1930	* drawn_text/drawn_rend contain the screen information before the update.	1955	* drawn_text/drawn_rend contain the screen information before the update.
1931	* screen.text/screen.rend contain what the screen will change to.	1956	* screen.text/screen.rend contain what the screen will change to.
1932	*/	1957	*/
1933	void	1958	void
1934	rxvt_term::scr_refresh (unsigned char refresh_type)	1959	rxvt_term::scr_refresh () NOTHROW
1935	{	1960	{
1936	unsigned char must_clear, /* use draw_string not draw_image_string */	1961	unsigned char must_clear, /* use draw_string not draw_image_string */
1937	showcursor; /* show the cursor */	1962	showcursor; /* show the cursor */
1938	int16_t col, row, /* column/row we're processing */	1963	int16_t col, row, /* column/row we're processing */
1939	ocrow; /* old cursor row */	1964	ocrow; /* old cursor row */
…		…
2025		2050
2026	/* make sure no outline cursor is left around */	2051	/* make sure no outline cursor is left around */
2027	setoldcursor = 0;	2052	setoldcursor = 0;
2028	if (ocrow != -1)	2053	if (ocrow != -1)
2029	{	2054	{
2030	if (screen.cur.row + view_start != ocrow	2055	if (screen.cur.row - view_start != ocrow
2031	|| screen.cur.col != oldcursor.col)	2056	|| screen.cur.col != oldcursor.col)
2032	{	2057	{
2033	if (ocrow < nrow	2058	if (ocrow < nrow
2034	&& oldcursor.col < ncol)	2059	&& oldcursor.col < ncol)
2035	drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);	2060	drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
…		…
2043	else if (!focus)	2068	else if (!focus)
2044	setoldcursor = 1;	2069	setoldcursor = 1;
2045		2070
2046	if (setoldcursor)	2071	if (setoldcursor)
2047	{	2072	{
2048	if (screen.cur.row + view_start >= nrow)	2073	if (screen.cur.row - view_start >= nrow)
2049	oldcursor.row = -1;	2074	oldcursor.row = -1;
2050	else	2075	else
2051	{	2076	{
2052	oldcursor.row = screen.cur.row + view_start;	2077	oldcursor.row = screen.cur.row - view_start;
2053	oldcursor.col = screen.cur.col;	2078	oldcursor.col = screen.cur.col;
2054	}	2079	}
2055	}	2080	}
2056	}	2081	}
2057		2082
…		…
2063	#ifndef NO_SLOW_LINK_SUPPORT	2088	#ifndef NO_SLOW_LINK_SUPPORT
2064	/*	2089	/*
2065	* D: CopyArea pass - very useful for slower links	2090	* D: CopyArea pass - very useful for slower links
2066	* This has been deliberately kept simple.	2091	* This has been deliberately kept simple.
2067	*/	2092	*/
2068	i = num_scr;
2069	if (!display->is_local	2093	if (!display->is_local
2070	&& refresh_type == FAST_REFRESH && num_scr_allow && num_scr	2094	&& refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2071	&& abs (num_scr) < nrow && !must_clear)	2095	&& abs (num_scr) < nrow && !must_clear)
2072	{	2096	{
2073	int16_t nits;	2097	int16_t nits;
2074	int j;	2098	int j;
2075	int len, wlen;	2099	int len, wlen;
		2100	dLocal (int, num_scr);
2076		2101
2077	j = nrow;	2102	j = nrow;
2078	wlen = len = -1;	2103	wlen = len = -1;
2079	row = i > 0 ? 0 : j - 1;	2104	row = i > 0 ? 0 : j - 1;
2080	for (; j-- >= 0; row += (i > 0 ? 1 : -1))	2105	for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2081	{	2106	{
2082	if (row + i >= 0 && row + i < nrow && row + i != ocrow)	2107	if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2083	{	2108	{
2084	line_t s = ROW(row - view_start);	2109	line_t s = ROW(view_start + row);
2085	line_t d = drawn_buf[row];	2110	line_t d = drawn_buf[row];
2086	line_t d2 = drawn_buf[row + i];	2111	line_t d2 = drawn_buf[row + i];
2087		2112
2088	for (nits = 0, col = ncol; col--; )	2113	for (nits = 0, col = ncol; col--; )
2089	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])
…		…
2127	/*	2152	/*
2128	* E: main pass across every character	2153	* E: main pass across every character
2129	*/	2154	*/
2130	for (row = 0; row < nrow; row++)	2155	for (row = 0; row < nrow; row++)
2131	{	2156	{
2132	text_t *stp = ROW(row - view_start).t;	2157	text_t *stp = ROW(view_start + row).t;
2133	rend_t *srp = ROW(row - view_start).r;	2158	rend_t *srp = ROW(view_start + row).r;
2134	text_t *dtp = drawn_buf[row].t;	2159	text_t *dtp = drawn_buf[row].t;
2135	rend_t *drp = drawn_buf[row].r;	2160	rend_t *drp = drawn_buf[row].r;
2136		2161
2137	/*	2162	/*
2138	* E2: OK, now the real pass	2163	* E2: OK, now the real pass
…		…
2375	/*	2400	/*
2376	* H: cleanup selection	2401	* H: cleanup selection
2377	*/	2402	*/
2378	scr_reverse_selection ();	2403	scr_reverse_selection ();
2379		2404
2380	if (refresh_type & SMOOTH_REFRESH)
2381	XFlush (display->display);
2382
2383	num_scr = 0;	2405	num_scr = 0;
2384	num_scr_allow = 1;	2406	num_scr_allow = 1;
2385	}	2407	}
2386		2408
2387	void	2409	void
2388	rxvt_term::scr_remap_chars (line_t &l)	2410	rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2389	{	2411	{
2390	if (!l.t)	2412	if (!l.t)
2391	return;	2413	return;
2392		2414
2393	l.touch (); // maybe a bit of an overkill, but its not performance-relevant	2415	l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2394		2416
2395	for (int i = ncol; i--; )	2417	for (int i = ncol; i--; )
2396	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]));
2397	}	2419	}
2398		2420
2399	void	2421	void
2400	rxvt_term::scr_remap_chars ()	2422	rxvt_term::scr_remap_chars () NOTHROW
2401	{	2423	{
2402	for (int i = total_rows; i--; )	2424	for (int i = total_rows; i--; )
2403	scr_remap_chars (row_buf [i]);	2425	scr_remap_chars (row_buf [i]);
2404		2426
2405	for (int i = nrow; i--; )	2427	for (int i = nrow; i--; )
…		…
2408	scr_remap_chars (swap_buf [i]);	2430	scr_remap_chars (swap_buf [i]);
2409	}	2431	}
2410	}	2432	}
2411		2433
2412	void	2434	void
2413	rxvt_term::scr_recolour ()	2435	rxvt_term::scr_recolour () NOTHROW
2414	{	2436	{
2415	if (1	2437	if (1
2416	#if TRANSPARENT	2438	#if TRANSPARENT
2417	&& !am_transparent	2439	&& !am_transparent
2418	#endif	2440	#endif
…		…
2439	want_refresh = 1;	2461	want_refresh = 1;
2440	}	2462	}
2441		2463
2442	/* ------------------------------------------------------------------------- */	2464	/* ------------------------------------------------------------------------- */
2443	void	2465	void
2444	rxvt_term::scr_clear (bool really)	2466	rxvt_term::scr_clear (bool really) NOTHROW
2445	{	2467	{
2446	if (!mapped)	2468	if (!mapped)
2447	return;	2469	return;
2448		2470
2449	num_scr_allow = 0;	2471	num_scr_allow = 0;
…		…
2451		2473
2452	if (really)	2474	if (really)
2453	XClearWindow (display->display, vt);	2475	XClearWindow (display->display, vt);
2454	}	2476	}
2455		2477
2456	/* ------------------------------------------------------------------------- */
2457	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
2458	rxvt_term::scr_reverse_selection ()	2528	rxvt_term::scr_reverse_selection () NOTHROW
2459	{	2529	{
2460	if (selection.op	2530	if (selection.op
2461	&& current_screen == selection.screen	2531	&& current_screen == selection.screen
2462	&& selection.end.row >= -view_start)	2532	&& selection.end.row >= view_start)
2463	{	2533	{
2464	int view_end = -view_start + nrow;
2465	int row, col;
2466
2467	#if ENABLE_FRILLS	2534	#if ENABLE_FRILLS
2468	if (selection.rect)	2535	if (selection.rect)
2469	{	2536	scr_xor_rect (selection.beg.row, selection.beg.col,
2470	for (row = max (selection.beg.row, -view_start); row <= min (selection.end.row, view_end); row++)	2537	selection.end.row, selection.end.col,
2471	{	2538	RS_RVid, RS_RVid | RS_Uline);
2472	text_t *stp = ROW(row).t;
2473	rend_t *srp = ROW(row).r;
2474
2475	for (col = selection.beg.col; col < selection.end.col; col++)
2476	srp[col] ^= RS_RVid;
2477
2478	while (col-- > selection.beg.col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2479	srp[col] ^= RS_RVid | RS_Uline;
2480
2481	if (++col < selection.end.col)
2482	srp[col] ^= RS_RVid | RS_Uline;
2483	}
2484	}
2485	else	2539	else
2486	#endif	2540	#endif
2487	{	2541	scr_xor_span (selection.beg.row, selection.beg.col,
2488	if (selection.beg.row >= -view_start)	2542	selection.end.row, selection.end.col,
2489	{	2543	RS_RVid);
2490	col = selection.beg.col;
2491	row = selection.beg.row;
2492	}
2493	else
2494	{
2495	col = 0;
2496	row = -view_start;
2497	}
2498
2499	for (; row < min (selection.end.row, view_end); row++, col = 0)
2500	for (rend_t *srp = ROW(row).r; col < ncol; col++)
2501	srp[col] ^= RS_RVid;
2502
2503	if (row == selection.end.row)
2504	for (rend_t *srp = ROW(row).r; col < selection.end.col; col++)
2505	srp[col] ^= RS_RVid;
2506	}
2507	}	2544	}
2508	}	2545	}
2509		2546
2510	/* ------------------------------------------------------------------------- */	2547	/* ------------------------------------------------------------------------- */
2511	/*	2548	/*
2512	* Dump the whole scrollback and screen to the passed filedescriptor. The	2549	* Dump the whole scrollback and screen to the passed filedescriptor. The
2513	* invoking routine must close the fd.	2550	* invoking routine must close the fd.
2514	*/	2551	*/
2515	#if 0	2552	#if 0
2516	void	2553	void
2517	rxvt_term::scr_dump (int fd)	2554	rxvt_term::scr_dump (int fd) NOTHROW
2518	{	2555	{
2519	int row, wrote;	2556	int row, wrote;
2520	unsigned int width, towrite;	2557	unsigned int width, towrite;
2521	char r1[] = "\n";	2558	char r1[] = "\n";
2522		2559
…		…
2541		2578
2542	/* ------------------------------------------------------------------------- *	2579	/* ------------------------------------------------------------------------- *
2543	* CHARACTER SELECTION *	2580	* CHARACTER SELECTION *
2544	* ------------------------------------------------------------------------- */	2581	* ------------------------------------------------------------------------- */
2545	void	2582	void
2546	rxvt_term::selection_check (int check_more)	2583	rxvt_term::selection_check (int check_more) NOTHROW
2547	{	2584	{
2548	row_col_t pos;	2585	row_col_t pos;
2549		2586
2550	if (!selection.op)	2587	if (!selection.op)
2551	return;	2588	return;
2552		2589
2553	pos.row = pos.col = 0;	2590	pos.row = pos.col = 0;
2554	if (!IN_RANGE_EXC (selection.beg.row, -nsaved, nrow)	2591	if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2555	|| !IN_RANGE_EXC (selection.mark.row, -nsaved, nrow)	2592	|| !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2556	|| !IN_RANGE_EXC (selection.end.row, -nsaved, nrow)	2593	|| !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2557	|| (check_more == 1	2594	|| (check_more == 1
2558	&& current_screen == selection.screen	2595	&& current_screen == selection.screen
2559	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)	2596	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2560	&& ROWCOL_IS_BEFORE (screen.cur, selection.end))	2597	&& ROWCOL_IS_BEFORE (screen.cur, selection.end))
2561	|| (check_more == 2	2598	|| (check_more == 2
…		…
2572	/* ------------------------------------------------------------------------- */	2609	/* ------------------------------------------------------------------------- */
2573	/*	2610	/*
2574	* Paste a selection direct to the command fd	2611	* Paste a selection direct to the command fd
2575	*/	2612	*/
2576	void	2613	void
2577	rxvt_term::paste (char *data, unsigned int len)	2614	rxvt_term::paste (char *data, unsigned int len) NOTHROW
2578	{	2615	{
2579	/* convert normal newline chars into common keyboard Return key sequence */	2616	/* convert normal newline chars into common keyboard Return key sequence */
2580	for (unsigned int i = 0; i < len; i++)	2617	for (unsigned int i = 0; i < len; i++)
2581	if (data[i] == C0_LF)	2618	if (data[i] == C0_LF)
2582	data[i] = C0_CR;	2619	data[i] = C0_CR;
…		…
2588	/*	2625	/*
2589	* Respond to a notification that a primary selection has been sent	2626	* Respond to a notification that a primary selection has been sent
2590	* EXT: SelectionNotify	2627	* EXT: SelectionNotify
2591	*/	2628	*/
2592	void	2629	void
2593	rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop)	2630	rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW
2594	{	2631	{
2595	if (prop == None) /* check for failed XConvertSelection */	2632	if (prop == None) /* check for failed XConvertSelection */
2596	{	2633	{
2597	if ((selection_type & Sel_CompoundText))	2634	if ((selection_type & Sel_CompoundText))
2598	{	2635	{
…		…
2750	if (selection_wait == Sel_normal)	2787	if (selection_wait == Sel_normal)
2751	selection_wait = Sel_none;	2788	selection_wait = Sel_none;
2752	}	2789	}
2753		2790
2754	void	2791	void
2755	rxvt_term::incr_cb (time_watcher &w)	2792	rxvt_term::incr_cb (time_watcher &w) NOTHROW
2756	{	2793	{
2757	selection_wait = Sel_none;	2794	selection_wait = Sel_none;
2758		2795
2759	incr_buf_size = 0;	2796	incr_buf_size = 0;
2760	free (incr_buf);	2797	free (incr_buf);
2761		2798
2762	rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");	2799	rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2763	}	2800	}
2764		2801
2765	void	2802	void
2766	rxvt_term::selection_property (Window win, Atom prop)	2803	rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2767	{	2804	{
2768	if (prop == None || selection_wait != Sel_incr)	2805	if (prop == None || selection_wait != Sel_incr)
2769	return;	2806	return;
2770		2807
2771	selection_paste (win, prop, true);	2808	selection_paste (win, prop, true);
…		…
2780	* (+) if ownership is claimed but property is empty, rxvt_selection_paste ()	2817	* (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2781	* will auto fallback to CUT_BUFFER0	2818	* will auto fallback to CUT_BUFFER0
2782	* EXT: button 2 release	2819	* EXT: button 2 release
2783	*/	2820	*/
2784	void	2821	void
2785	rxvt_term::selection_request (Time tm, int x, int y)	2822	rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2786	{	2823	{
2787	if (x < 0 || x >= width || y < 0 || y >= height)	2824	if (selection.text && selnum == Sel_Primary)
2788	return; /* outside window */
2789
2790	if (selection.text)
2791	{ /* internal selection */	2825	{ /* internal selection */
2792	char *str = rxvt_wcstombs (selection.text, selection.len);	2826	char *str = rxvt_wcstombs (selection.text, selection.len);
2793	paste (str, strlen (str));	2827	paste (str, strlen (str));
2794	free (str);	2828	free (str);
2795	return;	2829	return;
2796	}	2830	}
2797	else	2831	else
2798	{	2832	{
2799	int i;
2800
2801	selection_request_time = tm;	2833	selection_request_time = tm;
2802	selection_wait = Sel_normal;	2834	selection_wait = Sel_normal;
2803		2835
2804	for (i = Sel_Primary; i <= Sel_Clipboard; i++)
2805	{
2806	#if X_HAVE_UTF8_STRING	2836	#if X_HAVE_UTF8_STRING
2807	selection_type = Sel_UTF8String;	2837	selection_type = Sel_UTF8String;
2808	if (selection_request_other (xa[XA_UTF8_STRING], i))	2838	if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2809	return;	2839	return;
2810	#else	2840	#else
2811	selection_type = Sel_CompoundText;	2841	selection_type = Sel_CompoundText;
2812	if (selection_request_other (xa[XA_COMPOUND_TEXT], i))	2842	if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2813	return;	2843	return;
2814	#endif	2844	#endif
2815	}
2816	}	2845	}
2817		2846
2818	selection_wait = Sel_none; /* don't loop in selection_paste () */	2847	selection_wait = Sel_none; /* don't loop in selection_paste () */
2819	selection_paste (display->root, XA_CUT_BUFFER0, false);	2848	selection_paste (display->root, XA_CUT_BUFFER0, false);
2820	}	2849	}
2821		2850
2822	int	2851	int
2823	rxvt_term::selection_request_other (Atom target, int selnum)	2852	rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2824	{	2853	{
2825	Atom sel;	2854	Atom sel;
2826		2855
2827	selection_type |= selnum;	2856	selection_type |= selnum;
2828		2857
…		…
2847	/*	2876	/*
2848	* Clear all selected text	2877	* Clear all selected text
2849	* EXT: SelectionClear	2878	* EXT: SelectionClear
2850	*/	2879	*/
2851	void	2880	void
2852	rxvt_term::selection_clear ()	2881	rxvt_term::selection_clear () NOTHROW
2853	{	2882	{
2854	want_refresh = 1;	2883	want_refresh = 1;
2855	free (selection.text);	2884	free (selection.text);
2856	selection.text = NULL;	2885	selection.text = NULL;
2857	selection.len = 0;	2886	selection.len = 0;
…		…
2992		3021
2993	selection_grab (tm);	3022	selection_grab (tm);
2994	}	3023	}
2995		3024
2996	bool	3025	bool
2997	rxvt_term::selection_grab (Time tm)	3026	rxvt_term::selection_grab (Time tm) NOTHROW
2998	{	3027	{
2999	selection_time = tm;	3028	selection_time = tm;
3000		3029
3001	XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm);	3030	XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm);
3002	if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt)	3031	if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt)
3003	{	3032	{
3004	display->set_selection_owner (this);	3033	display->set_selection_owner (this);
3005	return true;	3034	return true;
3006	}	3035	}
3007	else	3036	else
		3037	{
		3038	selection_clear ();
3008	return false;	3039	return false;
		3040	}
3009		3041
3010	#if 0	3042	#if 0
3011	XTextProperty ct;	3043	XTextProperty ct;
3012		3044
3013	if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)	3045	if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)
…		…
3022	/*	3054	/*
3023	* 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
3024	* EXT: button 1 press	3056	* EXT: button 1 press
3025	*/	3057	*/
3026	void	3058	void
3027	rxvt_term::selection_click (int clicks, int x, int y)	3059	rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
3028	{	3060	{
3029	clicks = ((clicks - 1) % 3) + 1;	3061	clicks = ((clicks - 1) % 3) + 1;
3030	selection.clicks = clicks; /* save clicks so extend will work */	3062	selection.clicks = clicks; /* save clicks so extend will work */
3031		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
3032	selection_start_colrow (Pixel2Col (x), Pixel2Row (y));	3073	selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
3033		3074
3034	if (clicks == 2 || clicks == 3)	3075	if (clicks == 2 || clicks == 3)
3035	selection_extend_colrow (selection.mark.col,	3076	selection_extend_colrow (selection.mark.col,
3036	selection.mark.row + view_start,	3077	selection.mark.row - view_start,
3037	0, /* button 3 */	3078	0, /* button 3 */
3038	1, /* button press */	3079	1, /* button press */
3039	0); /* click change */	3080	0); /* click change */
3040	}	3081	}
3041		3082
3042	/* ------------------------------------------------------------------------- */	3083	/* ------------------------------------------------------------------------- */
3043	/*	3084	/*
3044	* Mark a selection at the specified col/row	3085	* Mark a selection at the specified col/row
3045	*/	3086	*/
3046	void	3087	void
3047	rxvt_term::selection_start_colrow (int col, int row)	3088	rxvt_term::selection_start_colrow (int col, int row) NOTHROW
3048	{	3089	{
3049	want_refresh = 1;	3090	want_refresh = 1;
3050		3091
3051	selection.mark.row = row - view_start;	3092	selection.mark.row = row + view_start;
3052	selection.mark.col = col;	3093	selection.mark.col = col;
3053		3094
3054	selection.mark.row = clamp (selection.mark.row, -nsaved, nrow - 1);	3095	selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
3055	selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);	3096	selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3056		3097
3057	while (selection.mark.col > 0	3098	while (selection.mark.col > 0
3058	&& ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)	3099	&& ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
3059	--selection.mark.col;	3100	--selection.mark.col;
…		…
3078	#define DELIMIT_TEXT(x) \	3119	#define DELIMIT_TEXT(x) \
3079	(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)))
3080	#define DELIMIT_REND(x) 1	3121	#define DELIMIT_REND(x) 1
3081		3122
3082	void	3123	void
3083	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
3084	{	3125	{
3085	int col, row, dirnadd, tcol, trow, w1, w2;	3126	int col, row, dirnadd, tcol, trow, w1, w2;
3086	row_col_t bound;	3127	row_col_t bound;
3087	text_t *stp;	3128	text_t *stp;
3088	rend_t *srp;	3129	rend_t *srp;
3089		3130
3090	if (dirn == UP)	3131	if (dirn == UP)
3091	{	3132	{
3092	bound.row = - nsaved - 1;	3133	bound.row = top_row - 1;
3093	bound.col = 0;	3134	bound.col = 0;
3094	dirnadd = -1;	3135	dirnadd = -1;
3095	}	3136	}
3096	else	3137	else
3097	{	3138	{
…		…
3162	* flag == 0 ==> button 1	3203	* flag == 0 ==> button 1
3163	* flag == 1 ==> button 3 press	3204	* flag == 1 ==> button 3 press
3164	* flag == 2 ==> button 3 motion	3205	* flag == 2 ==> button 3 motion
3165	*/	3206	*/
3166	void	3207	void
3167	rxvt_term::selection_extend (int x, int y, int flag)	3208	rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
3168	{	3209	{
3169	int col = clamp (Pixel2Col (x), 0, ncol);	3210	int col = clamp (Pixel2Col (x), 0, ncol);
3170	int row = clamp (Pixel2Row (y), 0, nrow - 1);	3211	int row = clamp (Pixel2Row (y), 0, nrow - 1);
3171		3212
3172	/*	3213	/*
…		…
3175	* 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
3176	* be _past_ a character for it to be selected.	3217	* be _past_ a character for it to be selected.
3177	*/	3218	*/
3178	if (((selection.clicks % 3) == 1) && !flag	3219	if (((selection.clicks % 3) == 1) && !flag
3179	&& (col == selection.mark.col	3220	&& (col == selection.mark.col
3180	&& (row == selection.mark.row + view_start)))	3221	&& (row == selection.mark.row - view_start)))
3181	{	3222	{
3182	/* select nothing */	3223	/* select nothing */
3183	selection.beg.row = selection.end.row = 0;	3224	selection.beg.row = selection.end.row = 0;
3184	selection.beg.col = selection.end.col = 0;	3225	selection.beg.col = selection.end.col = 0;
3185	selection.clicks = 4;	3226	selection.clicks = 4;
…		…
3198	/* ------------------------------------------------------------------------- */	3239	/* ------------------------------------------------------------------------- */
3199	/*	3240	/*
3200	* Extend the selection to the specified col/row	3241	* Extend the selection to the specified col/row
3201	*/	3242	*/
3202	void	3243	void
3203	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
3204	{	3245	{
3205	row_col_t pos;	3246	row_col_t pos;
3206	enum {	3247	enum {
3207	LEFT, RIGHT	3248	LEFT, RIGHT
3208	} closeto = RIGHT;	3249	} closeto = RIGHT;
…		…
3240	selection.beg.col = selection.end.col = selection.mark.col;	3281	selection.beg.col = selection.end.col = selection.mark.col;
3241	selection.beg.row = selection.end.row = selection.mark.row;	3282	selection.beg.row = selection.end.row = selection.mark.row;
3242	}	3283	}
3243		3284
3244	pos.col = col;	3285	pos.col = col;
3245	pos.row = row - view_start;	3286	pos.row = view_start + row;
3246		3287
3247	/*	3288	/*
3248	* 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
3249	* in the way button3 drag extension works.	3290	* in the way button3 drag extension works.
3250	* We're either doing: button1 drag; button3 press; or button3 drag	3291	* We're either doing: button1 drag; button3 press; or button3 drag
…		…
3331	else if (selection.clicks == 2)	3372	else if (selection.clicks == 2)
3332	{	3373	{
3333	if (ROWCOL_IS_AFTER (selection.end, selection.beg))	3374	if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3334	selection.end.col--;	3375	selection.end.col--;
3335		3376
3336	if (!HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
3337	{
3338	selection_delimit_word (UP, &selection.beg, &selection.beg);	3377	selection_delimit_word (UP, &selection.beg, &selection.beg);
3339	selection_delimit_word (DN, &selection.end, &selection.end);	3378	selection_delimit_word (DN, &selection.end, &selection.end);
3340	}
3341	}	3379	}
3342	else if (selection.clicks == 3)	3380	else if (selection.clicks == 3)
3343	{	3381	{
3344	#if ENABLE_FRILLS	3382	#if ENABLE_FRILLS
3345	if (OPTION (Opt_tripleclickwords))	3383	if (OPTION (Opt_tripleclickwords))
…		…
3397	#endif	3435	#endif
3398	}	3436	}
3399		3437
3400	#if ENABLE_FRILLS	3438	#if ENABLE_FRILLS
3401	void	3439	void
3402	rxvt_term::selection_remove_trailing_spaces ()	3440	rxvt_term::selection_remove_trailing_spaces () NOTHROW
3403	{	3441	{
3404	int32_t end_col, end_row;	3442	int32_t end_col, end_row;
3405	text_t *stp;	3443	text_t *stp;
3406		3444
3407	end_col = selection.end.col;	3445	end_col = selection.end.col;
…		…
3445	/*	3483	/*
3446	* Double click on button 3 when already selected	3484	* Double click on button 3 when already selected
3447	* EXT: button 3 double click	3485	* EXT: button 3 double click
3448	*/	3486	*/
3449	void	3487	void
3450	rxvt_term::selection_rotate (int x, int y)	3488	rxvt_term::selection_rotate (int x, int y) NOTHROW
3451	{	3489	{
3452	selection.clicks = selection.clicks % 3 + 1;	3490	selection.clicks = selection.clicks % 3 + 1;
3453	selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);	3491	selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3454	}	3492	}
3455		3493
…		…
3457	/*	3495	/*
3458	* Respond to a request for our current selection	3496	* Respond to a request for our current selection
3459	* EXT: SelectionRequest	3497	* EXT: SelectionRequest
3460	*/	3498	*/
3461	void	3499	void
3462	rxvt_term::selection_send (const XSelectionRequestEvent &rq)	3500	rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3463	{	3501	{
3464	XSelectionEvent ev;	3502	XSelectionEvent ev;
3465	dDisp;	3503	dDisp;
3466		3504
3467	ev.type = SelectionNotify;	3505	ev.type = SelectionNotify;
…		…
3595		3633
3596	/*	3634	/*
3597	* return col/row values corresponding to x/y pixel values	3635	* return col/row values corresponding to x/y pixel values
3598	*/	3636	*/
3599	void	3637	void
3600	rxvt_term::pixel_position (int *x, int *y)	3638	rxvt_term::pixel_position (int *x, int *y) NOTHROW
3601	{	3639	{
3602	*x = Pixel2Col (*x);	3640	*x = Pixel2Col (*x);
3603	/* max_it (*x, 0); min_it (*x, (int)ncol - 1); */	3641	/* max_it (*x, 0); min_it (*x, (int)ncol - 1); */
3604	*y = Pixel2Row (*y);	3642	*y = Pixel2Row (*y);
3605	/* max_it (*y, 0); min_it (*y, (int)nrow - 1); */	3643	/* max_it (*y, 0); min_it (*y, (int)nrow - 1); */
3606	}	3644	}
3607		3645
3608	/* ------------------------------------------------------------------------- */	3646	/* ------------------------------------------------------------------------- */
3609	#ifdef USE_XIM	3647	#ifdef USE_XIM
3610	void	3648	void
3611	rxvt_term::im_set_position (XPoint &pos)	3649	rxvt_term::im_set_position (XPoint &pos) NOTHROW
3612	{	3650	{
3613	XWindowAttributes xwa;	3651	XWindowAttributes xwa;
3614		3652
3615	XGetWindowAttributes (display->display, vt, &xwa);	3653	XGetWindowAttributes (display->display, vt, &xwa);
3616		3654
…		…
3619	}	3657	}
3620	#endif	3658	#endif
3621		3659
3622	#if ENABLE_OVERLAY	3660	#if ENABLE_OVERLAY
3623	void	3661	void
3624	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
3625	{	3663	{
3626	if (nrow < 1 || ncol < 1)	3664	if (nrow < 1 || ncol < 1)
3627	return;	3665	return;
3628		3666
3629	want_refresh = 1;	3667	want_refresh = 1;
…		…
3674	*rp = r;	3712	*rp = r;
3675	}	3713	}
3676	}	3714	}
3677		3715
3678	void	3716	void
3679	rxvt_term::scr_overlay_off ()	3717	rxvt_term::scr_overlay_off () NOTHROW
3680	{	3718	{
3681	if (!ov_text)	3719	if (!ov_text)
3682	return;	3720	return;
3683		3721
3684	want_refresh = 1;	3722	want_refresh = 1;
…		…
3692	delete [] ov_text; ov_text = 0;	3730	delete [] ov_text; ov_text = 0;
3693	delete [] ov_rend; ov_rend = 0;	3731	delete [] ov_rend; ov_rend = 0;
3694	}	3732	}
3695		3733
3696	void	3734	void
3697	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
3698	{	3736	{
3699	if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2)	3737	if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2)
3700	return;	3738	return;
3701		3739
3702	x++, y++;	3740	x++, y++;
…		…
3704	ov_text[y][x] = text;	3742	ov_text[y][x] = text;
3705	ov_rend[y][x] = rend;	3743	ov_rend[y][x] = rend;
3706	}	3744	}
3707		3745
3708	void	3746	void
3709	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
3710	{	3748	{
3711	while (*s)	3749	while (*s)
3712	scr_overlay_set (x++, y, *s++);	3750	scr_overlay_set (x++, y, *s++);
3713	}	3751	}
3714		3752
3715	void	3753	void
3716	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
3717	{	3755	{
3718	while (*s)	3756	while (*s)
3719	{	3757	{
3720	text_t t = *s++;	3758	text_t t = *s++;
3721	int width = wcwidth (t);	3759	int width = wcwidth (t);
…		…
3727	}	3765	}
3728	}	3766	}
3729	}	3767	}
3730		3768
3731	void	3769	void
3732	rxvt_term::scr_swap_overlay ()	3770	rxvt_term::scr_swap_overlay () NOTHROW
3733	{	3771	{
3734	if (!ov_text)	3772	if (!ov_text)
3735	return;	3773	return;
3736		3774
3737	// swap screen mem with overlay	3775	// swap screen mem with overlay
3738	for (int y = ov_h; y--; )	3776	for (int y = ov_h; y--; )
3739	{	3777	{
3740	text_t *t1 = ov_text[y];	3778	text_t *t1 = ov_text[y];
3741	rend_t *r1 = ov_rend[y];	3779	rend_t *r1 = ov_rend[y];
3742		3780
3743	text_t *t2 = ROW(y + ov_y - view_start).t + ov_x;	3781	text_t *t2 = ROW(y + ov_y + view_start).t + ov_x;
3744	rend_t *r2 = ROW(y + ov_y - view_start).r + ov_x;	3782	rend_t *r2 = ROW(y + ov_y + view_start).r + ov_x;
3745		3783
3746	for (int x = ov_w; x--; )	3784	for (int x = ov_w; x--; )
3747	{	3785	{
3748	text_t t = *t1; *t1++ = *t2; *t2++ = t;	3786	text_t t = *t1; *t1++ = *t2; *t2++ = t;
3749	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));

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