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

Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.217 by root, Mon Jan 9 19:01:56 2006 UTC vs.
Revision 1.248 by root, Sun Jan 22 20:58:33 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		150
151	l.l = 0;	151	l.l = 0;
152	l.f = 0;	152	l.f = 0;
…		…
173	nrow = 24;	173	nrow = 24;
174		174
175	if (ncol == prev_ncol && nrow == prev_nrow)	175	if (ncol == prev_ncol && nrow == prev_nrow)
176	return;	176	return;
177		177
		178	if (current_screen != PRIMARY)
		179	scr_swap_screen ();
		180
178	// we need at least two lines for wrapping to work correctly	181	// we need at least two lines for wrapping to work correctly
179	if (nrow + saveLines < 2)	182	while (nrow + saveLines < 2)
180	{	183	{
181	//TODO//FIXME	184	//TODO//FIXME
182	saveLines++;	185	saveLines++;
183	prev_nrow--;	186	prev_nrow--;
184	nsaved++;	187	top_row--;
185	}	188	}
186		189
187	want_refresh = 1;	190	want_refresh = 1;
188		191
189	int prev_total_rows = prev_nrow + saveLines;	192	int prev_total_rows = prev_nrow + saveLines;
…		…
195	if (!row_buf)	198	if (!row_buf)
196	{	199	{
197	/*	200	/*
198	* first time called so just malloc everything: don't rely on realloc	201	* first time called so just malloc everything: don't rely on realloc
199	*/	202	*/
200	nsaved = 0; /* no saved lines */	203	top_row = 0;
201	term_start = 0;	204	term_start = 0;
202		205
203	talloc = new rxvt_salloc (ncol * sizeof (text_t));	206	talloc = new rxvt_salloc (ncol * sizeof (text_t));
204	ralloc = new rxvt_salloc (ncol * sizeof (rend_t));	207	ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
205		208
…		…
234	selection.text = NULL;	237	selection.text = NULL;
235	selection.len = 0;	238	selection.len = 0;
236	selection.op = SELECTION_CLEAR;	239	selection.op = SELECTION_CLEAR;
237	selection.screen = PRIMARY;	240	selection.screen = PRIMARY;
238	selection.clicks = 0;	241	selection.clicks = 0;
239	CLEAR_ALL_SELECTION ();	242	rvideo_state = rvideo_mode = false;
240	rvideo = 0;
241	}	243	}
242	else	244	else
243	{	245	{
244	/*	246	/*
245	* add or delete rows as appropriate	247	* add or delete rows as appropriate
…		…
276		278
277	line_t *old_buf = row_buf;	279	line_t *old_buf = row_buf;
278	row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));	280	row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
279		281
280	int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row	282	int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
281	int pend = MOD (term_start - nsaved , prev_total_rows);	283	int pend = MOD (term_start + top_row , prev_total_rows);
282	int q = total_rows; // rewrapped row	284	int q = total_rows; // rewrapped row
283		285
284	if (nsaved)	286	if (top_row)
285	{	287	{
286	// re-wrap lines, this is rather ugly, possibly because I am too dumb	288	// Re-wrap lines. This is rather ugly, possibly because I am too dumb
287	// to come up with a lean and mean algorithm.	289	// to come up with a lean and mean algorithm.
288		290
289	row_col_t ocur = screen.cur;	291	row_col_t ocur = screen.cur;
290	ocur.row = MOD (term_start + ocur.row, prev_total_rows);	292	ocur.row = MOD (term_start + ocur.row, prev_total_rows);
291		293
…		…
325	qline->l = ncol;	327	qline->l = ncol;
326	qline->is_longer (1);	328	qline->is_longer (1);
327		329
328	int qcol = 0;	330	int qcol = 0;
329		331
		332	// see below for cursor adjustment rationale
		333	if (p == ocur.row)
		334	screen.cur.row = q - (total_rows - nrow);
		335
330	// fill a single destination line	336	// fill a single destination line
331	while (lofs < llen && qcol < ncol)	337	while (lofs < llen && qcol < ncol)
332	{	338	{
333	int prow = lofs / prev_ncol;	339	int prow = lofs / prev_ncol;
334	int pcol = lofs % prev_ncol;	340	int pcol = lofs % prev_ncol;
…		…
344		350
345	line_t &pline = old_buf [prow];	351	line_t &pline = old_buf [prow];
346		352
347	int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);	353	int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
348		354
349	assert (len);
350	assert (pline.t);
351
352	memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));	355	memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
353	memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));	356	memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
354		357
355	lofs += len;	358	lofs += len;
356	qcol += len;	359	qcol += len;
…		…
362	scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);	365	scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
363	}	366	}
364	while (p != pend && q > 0);	367	while (p != pend && q > 0);
365		368
366	term_start = total_rows - nrow;	369	term_start = total_rows - nrow;
367	nsaved = term_start - q;	370	top_row = q - term_start;
368		371
369	// make sure all terminal lines exist	372	// make sure all terminal lines exist
370	while (nsaved < 0)	373	while (top_row > 0)
371	scr_blank_screen_mem (ROW (-++nsaved), DEFAULT_RSTYLE);	374	scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
372	}	375	}
373	else	376	else
374	{	377	{
375	// if no scrollback exists (yet), wing, instead of wrap	378	// if no scrollback exists (yet), wing, instead of wrap
376		379
…		…
389	}	392	}
390		393
391	term_start = 0;	394	term_start = 0;
392	}	395	}
393		396
394	#ifdef DEBUG_STRICT //TODO: remove
395	for (int i = -nsaved; i < nrow; i++)
396	assert (ROW (i).t);
397	#endif
398
399	free (old_buf);	397	free (old_buf);
400	delete old_ta;	398	delete old_ta;
401	delete old_ra;	399	delete old_ra;
402		400
403	clamp_it (screen.cur.row, 0, nrow - 1);	401	clamp_it (screen.cur.row, 0, nrow - 1);
404	clamp_it (screen.cur.col, 0, ncol - 1);	402	clamp_it (screen.cur.col, 0, ncol - 1);
405		403
406	if (tabs)
407	free (tabs);	404	free (tabs);
408	}	405	}
		406
		407	CLEAR_ALL_SELECTION ();
409		408
410	prev_nrow = nrow;	409	prev_nrow = nrow;
411	prev_ncol = ncol;	410	prev_ncol = ncol;
412		411
413	tabs = (char *)rxvt_malloc (ncol * sizeof (char));	412	tabs = (char *)rxvt_malloc (ncol * sizeof (char));
414		413
415	for (int col = ncol; col--; )	414	for (int col = ncol; col--; )
416	tabs [col] = col % TABSIZE == 0;	415	tabs [col] = col % TABSIZE == 0;
417		416
		417	if (current_screen != PRIMARY)
		418	scr_swap_screen ();
		419
418	tt_winch ();	420	tt_winch ();
419		421
420	HOOK_INVOKE ((this, HOOK_RESET, DT_END));	422	HOOK_INVOKE ((this, HOOK_RESET, DT_END));
421	}	423	}
422		424
423	/* ------------------------------------------------------------------------- */	425	/* ------------------------------------------------------------------------- */
424	/*	426	/*
425	* Free everything. That way malloc debugging can find leakage.	427	* Free everything. That way malloc debugging can find leakage.
426	*/	428	*/
427	void	429	void
428	rxvt_term::scr_release ()	430	rxvt_term::scr_release () NOTHROW
429	{	431	{
		432	if (row_buf)
		433	{
430	delete talloc; talloc = 0;	434	delete talloc; talloc = 0;
431	delete ralloc; ralloc = 0;	435	delete ralloc; ralloc = 0;
432		436
433	free (row_buf);	437	free (row_buf);
434	free (swap_buf);	438	free (swap_buf);
435	free (drawn_buf);	439	free (drawn_buf);
436	free (tabs);	440	free (tabs);
437		441
438	row_buf = 0; // signal that we freed all the arrays	442	row_buf = 0; // signal that we freed all the arrays
		443	}
439	}	444	}
440		445
441	/* ------------------------------------------------------------------------- */	446	/* ------------------------------------------------------------------------- */
442	/*	447	/*
443	* Hard reset	448	* Hard reset
…		…
448	scr_release ();	453	scr_release ();
449	prev_nrow = prev_ncol = 0;	454	prev_nrow = prev_ncol = 0;
450	scr_reset ();	455	scr_reset ();
451		456
452	scr_clear (true);	457	scr_clear (true);
453	scr_refresh (SLOW_REFRESH);	458	scr_refresh ();
454	}	459	}
455		460
456	/* ------------------------------------------------------------------------- *	461	/* ------------------------------------------------------------------------- *
457	* PROCESS SCREEN COMMANDS *	462	* PROCESS SCREEN COMMANDS *
458	* ------------------------------------------------------------------------- */	463	* ------------------------------------------------------------------------- */
…		…
460	* Save and Restore cursor	465	* Save and Restore cursor
461	* XTERM_SEQ: Save cursor : ESC 7	466	* XTERM_SEQ: Save cursor : ESC 7
462	* XTERM_SEQ: Restore cursor: ESC 8	467	* XTERM_SEQ: Restore cursor: ESC 8
463	*/	468	*/
464	void	469	void
465	rxvt_term::scr_cursor (int mode)	470	rxvt_term::scr_cursor (cursor_mode mode) NOTHROW
466	{	471	{
467	screen_t *s;	472	screen_t *s;
468		473
469	#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)	474	#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
470	if (current_screen == SECONDARY)	475	if (current_screen == SECONDARY)
…		…
502	assert (s->cur.row >= 0);	507	assert (s->cur.row >= 0);
503	assert (s->cur.col >= 0);	508	assert (s->cur.col >= 0);
504	#endif	509	#endif
505	}	510	}
506		511
		512	void
		513	rxvt_term::scr_swap_screen ()
		514	{
		515	if (!OPTION (Opt_secondaryScreen))
		516	return;
		517
		518	for (int i = prev_nrow; i--; )
		519	::swap (ROW(i), swap_buf [i]);
		520
		521	::swap (screen.cur, swap.cur);
		522
		523	screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
		524	screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
		525	}
		526
507	/* ------------------------------------------------------------------------- */	527	/* ------------------------------------------------------------------------- */
508	/*	528	/*
509	* Swap between primary and secondary screens	529	* Swap between primary and secondary screens
510	* XTERM_SEQ: Primary screen : ESC [ ? 4 7 h	530	* XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
511	* XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l	531	* XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
512	*/	532	*/
513	int	533	void
514	rxvt_term::scr_change_screen (int scrn)	534	rxvt_term::scr_change_screen (int scrn)
515	{	535	{
		536	if (scrn == current_screen)
		537	return;
		538
516	want_refresh = 1;	539	want_refresh = 1;
517	view_start = 0;	540	view_start = 0;
518		541
519	if (current_screen == scrn)
520	return scrn;
521
522	selection_check (2); /* check for boundary cross */	542	selection_check (2); /* check for boundary cross */
523		543
524	int i = current_screen; current_screen = scrn; scrn = i;	544	int i = current_screen; current_screen = scrn; scrn = i;
525
526	::swap (screen.cur.row, swap.cur.row);
527	::swap (screen.cur.col, swap.cur.col);
528
529	screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
530	screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
531		545
532	#if NSCREENS	546	#if NSCREENS
533	if (OPTION (Opt_secondaryScreen))	547	if (OPTION (Opt_secondaryScreen))
534	{	548	{
535	num_scr = 0;	549	num_scr = 0;
536		550
537	for (int i = prev_nrow; i--; )	551	scr_swap_screen ();
538	::swap (ROW(i), swap_buf [i]);
539		552
540	::swap (screen.charset, swap.charset);	553	::swap (screen.charset, swap.charset);
541	::swap (screen.flags, swap.flags);	554	::swap (screen.flags, swap.flags);
542	screen.flags |= Screen_VisibleCursor;	555	screen.flags |= Screen_VisibleCursor;
543	swap.flags |= Screen_VisibleCursor;	556	swap.flags |= Screen_VisibleCursor;
544	}	557	}
545	else	558	else
546	#endif	559	#endif
547	if (OPTION (Opt_secondaryScroll))	560	if (OPTION (Opt_secondaryScroll))
548	scr_scroll_text (0, prev_nrow - 1, prev_nrow);	561	scr_scroll_text (0, prev_nrow - 1, prev_nrow);
549
550	return scrn;
551	}	562	}
552		563
553	// clear WrapNext indicator, solidifying position on next line	564	// clear WrapNext indicator, solidifying position on next line
554	void	565	void
555	rxvt_term::scr_do_wrap ()	566	rxvt_term::scr_do_wrap () NOTHROW
556	{	567	{
557	if (!(screen.flags & Screen_WrapNext))	568	if (!(screen.flags & Screen_WrapNext))
558	return;	569	return;
559		570
560	screen.flags &= ~Screen_WrapNext;	571	screen.flags &= ~Screen_WrapNext;
…		…
570	/* ------------------------------------------------------------------------- */	581	/* ------------------------------------------------------------------------- */
571	/*	582	/*
572	* Change the colour for following text	583	* Change the colour for following text
573	*/	584	*/
574	void	585	void
575	rxvt_term::scr_color (unsigned int color, int fgbg)	586	rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW
576	{	587	{
577	if (color > maxTermCOLOR)	588	if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
578	color = fgbg;	589	color = fgbg;
579		590
580	if (fgbg == Color_fg)	591	if (fgbg == Color_fg)
581	rstyle = SET_FGCOLOR (rstyle, color);	592	rstyle = SET_FGCOLOR (rstyle, color);
582	else	593	else
…		…
586	/* ------------------------------------------------------------------------- */	597	/* ------------------------------------------------------------------------- */
587	/*	598	/*
588	* Change the rendition style for following text	599	* Change the rendition style for following text
589	*/	600	*/
590	void	601	void
591	rxvt_term::scr_rendition (int set, int style)	602	rxvt_term::scr_rendition (int set, int style) NOTHROW
592	{	603	{
593	if (set)	604	if (set)
594	rstyle |= style;	605	rstyle |= style;
595	else if (style == ~RS_None)	606	else if (style == ~RS_None)
596	rstyle = DEFAULT_RSTYLE;	607	rstyle = DEFAULT_RSTYLE;
…		…
603	* Scroll text between <row1> and <row2> inclusive, by <count> lines	614	* Scroll text between <row1> and <row2> inclusive, by <count> lines
604	* count positive ==> scroll up	615	* count positive ==> scroll up
605	* count negative ==> scroll down	616	* count negative ==> scroll down
606	*/	617	*/
607	int	618	int
608	rxvt_term::scr_scroll_text (int row1, int row2, int count)	619	rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
609	{	620	{
610	if (count == 0 || (row1 > row2))	621	if (count == 0 || (row1 > row2))
611	return 0;	622	return 0;
612		623
613	want_refresh = 1;	624	want_refresh = 1;
614	num_scr += count;	625	num_scr += count;
615		626
616	if (count > 0	627	if (count > 0
617	&& row1 == 0	628	&& row1 == 0
618	&& row2 == nrow - 1
619	&& (current_screen == PRIMARY || OPTION (Opt_secondaryScroll)))	629	&& (current_screen == PRIMARY || OPTION (Opt_secondaryScroll)))
620	{	630	{
621	nsaved = min (nsaved + count, saveLines);	631	top_row = max (top_row - count, -saveLines);
622		632
623	HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, nsaved, DT_END));	633	// scroll everything up 'count' lines
		634	term_start = (term_start + count) % total_rows;
		635
		636	// sever bottommost line
		637	{
		638	line_t &l = ROW(row2 - count);
		639	l.is_longer (0);
		640	l.touch ();
		641	}
		642
		643	// erase newly scrolled-in lines
		644	for (int i = count; i--; )
		645	{
		646	// basically this is a slightly optimized scr_blank_screen_mem
		647	// it is worth the effort on slower machines
		648	line_t &l = ROW(nrow - 1 - i);
		649
		650	scr_blank_line (l, 0, l.l, rstyle);
		651
		652	l.l = 0;
		653	l.f = 0;
		654	}
		655
		656	// now copy lines below the scroll region bottom to the
		657	// bottom of the screen again, so they look as if they
		658	// hadn't moved.
		659	for (int i = nrow; --i > row2; )
		660	{
		661	line_t &l1 = ROW(i - count);
		662	line_t &l2 = ROW(i);
		663
		664	::swap (l1, l2);
		665	l2.touch ();
		666	}
624		667
625	term_start = (term_start + count) % total_rows;	668	// move and/or clear selection, if any
626
627	if (selection.op && current_screen == selection.screen)	669	if (selection.op && current_screen == selection.screen)
628	{	670	{
629	selection.beg.row -= count;	671	selection.beg.row -= count;
630	selection.end.row -= count;	672	selection.end.row -= count;
631	selection.mark.row -= count;	673	selection.mark.row -= count;
632		674
633	if (selection.beg.row < -nsaved	675	if (selection.beg.row < top_row
634	|| selection.end.row < -nsaved	676	|| selection.end.row < top_row
635	|| selection.mark.row < -nsaved)	677	|| selection.mark.row < top_row)
636	{	678	{
637	CLEAR_ALL_SELECTION ();	679	CLEAR_ALL_SELECTION ();
638	selection.op = SELECTION_CLEAR;	680	selection.op = SELECTION_CLEAR;
639	}	681	}
640	}	682	}
641		683
642	for (int i = count; i--; )	684	// finally move the view window, if desired
643	{
644	// basically thi is a slightly optimized scr_blank_screen_mem
645	// it is worth the effort on slower machines
646	line_t &l = ROW(row2 - i);
647
648	scr_blank_line (l, 0, l.l, rstyle);
649
650	l.l = 0;
651	l.f = 0;
652	}
653
654	if (OPTION (Opt_scrollWithBuffer)	685	if (OPTION (Opt_scrollWithBuffer)
655	&& view_start != 0	686	&& view_start != 0
656	&& view_start != saveLines)	687	&& view_start != -saveLines)
657	scr_page (UP, count);	688	scr_page (UP, count);
		689
		690	if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
		691	HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
658	}	692	}
659	else	693	else
660	{	694	{
661	if (selection.op && current_screen == selection.screen)	695	if (selection.op && current_screen == selection.screen)
662	{	696	{
…		…
708	/* ------------------------------------------------------------------------- */	742	/* ------------------------------------------------------------------------- */
709	/*	743	/*
710	* Add text given in <str> of length <len> to screen struct	744	* Add text given in <str> of length <len> to screen struct
711	*/	745	*/
712	void	746	void
713	rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines)	747	rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines) NOTHROW
714	{	748	{
715	if (len <= 0) /* sanity */	749	if (len <= 0) /* sanity */
716	return;	750	return;
717		751
718	unsigned char checksel;	752	unsigned char checksel;
…		…
724	ZERO_SCROLLBACK ();	758	ZERO_SCROLLBACK ();
725		759
726	if (minlines > 0)	760	if (minlines > 0)
727	{	761	{
728	minlines += screen.cur.row - screen.bscroll;	762	minlines += screen.cur.row - screen.bscroll;
		763	min_it (minlines, screen.cur.row - top_row);
729		764
730	if (minlines > 0	765	if (minlines > 0
731	&& screen.tscroll == 0	766	&& screen.tscroll == 0
732	&& screen.bscroll == nrow - 1)	767	&& screen.bscroll == nrow - 1)
733	{	768	{
…		…
738	}	773	}
739		774
740	#ifdef DEBUG_STRICT	775	#ifdef DEBUG_STRICT
741	assert (screen.cur.col < ncol);	776	assert (screen.cur.col < ncol);
742	assert (screen.cur.row < nrow	777	assert (screen.cur.row < nrow
743	&& screen.cur.row >= -nsaved);	778	&& screen.cur.row >= top_row);
744	#endif	779	#endif
745	int row = screen.cur.row;	780	int row = screen.cur.row;
746		781
747	checksel = selection.op && current_screen == selection.screen ? 1 : 0;	782	checksel = selection.op && current_screen == selection.screen ? 1 : 0;
748		783
…		…
794	CLEAR_SELECTION ();	829	CLEAR_SELECTION ();
795	}	830	}
796		831
797	if (screen.flags & Screen_WrapNext)	832	if (screen.flags & Screen_WrapNext)
798	{	833	{
799	max_it (line->l, ncol);
800	line->is_longer (1);
801
802	scr_do_wrap ();	834	scr_do_wrap ();
803		835
		836	line->l = ncol;
		837	line->is_longer (1);
		838
804	row = screen.cur.row;	839	row = screen.cur.row;
805	line = &ROW(row); /* _must_ refresh */	840	line = &ROW(row); /* _must_ refresh */
806	}	841	}
807		842
808	// some utf-8 decoders "decode" surrogate characters: let's fix this.	843	// some utf-8 decoders "decode" surrogate characters: let's fix this.
…		…
972	/*	1007	/*
973	* Process Backspace. Move back the cursor back a position, wrap if have to	1008	* Process Backspace. Move back the cursor back a position, wrap if have to
974	* XTERM_SEQ: CTRL-H	1009	* XTERM_SEQ: CTRL-H
975	*/	1010	*/
976	void	1011	void
977	rxvt_term::scr_backspace ()	1012	rxvt_term::scr_backspace () NOTHROW
978	{	1013	{
979	want_refresh = 1;	1014	want_refresh = 1;
980		1015
981	if (screen.cur.col == 0)	1016	if (screen.cur.col == 0)
982	{	1017	{
…		…
1000	* Process Horizontal Tab	1035	* Process Horizontal Tab
1001	* count: +ve = forward; -ve = backwards	1036	* count: +ve = forward; -ve = backwards
1002	* XTERM_SEQ: CTRL-I	1037	* XTERM_SEQ: CTRL-I
1003	*/	1038	*/
1004	void	1039	void
1005	rxvt_term::scr_tab (int count, bool ht)	1040	rxvt_term::scr_tab (int count, bool ht) NOTHROW
1006	{	1041	{
1007	int i, x;	1042	int i, x;
1008		1043
1009	want_refresh = 1;	1044	want_refresh = 1;
1010	i = x = screen.cur.col;	1045	i = x = screen.cur.col;
…		…
1077	* Move cursor left in row. If we're at the left boundary, shift everything	1112	* Move cursor left in row. If we're at the left boundary, shift everything
1078	* in that row right. Clear left column.	1113	* in that row right. Clear left column.
1079	*/	1114	*/
1080	#if ENABLE_FRILLS	1115	#if ENABLE_FRILLS
1081	void	1116	void
1082	rxvt_term::scr_backindex ()	1117	rxvt_term::scr_backindex () NOTHROW
1083	{	1118	{
1084	if (screen.cur.col > 0)	1119	if (screen.cur.col > 0)
1085	scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);	1120	scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1086	else	1121	else
1087	scr_insdel_chars (1, INSERT);	1122	scr_insdel_chars (1, INSERT);
…		…
1094	* Move cursor right in row. If we're at the right boundary, shift everything	1129	* Move cursor right in row. If we're at the right boundary, shift everything
1095	* in that row left. Clear right column.	1130	* in that row left. Clear right column.
1096	*/	1131	*/
1097	#if ENABLE_FRILLS	1132	#if ENABLE_FRILLS
1098	void	1133	void
1099	rxvt_term::scr_forwardindex ()	1134	rxvt_term::scr_forwardindex () NOTHROW
1100	{	1135	{
1101	if (screen.cur.col < ncol - 1)	1136	if (screen.cur.col < ncol - 1)
1102	scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);	1137	scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1103	else	1138	else
1104	{	1139	{
…		…
1117	/* ------------------------------------------------------------------------- */	1152	/* ------------------------------------------------------------------------- */
1118	/*	1153	/*
1119	* Goto Row/Column	1154	* Goto Row/Column
1120	*/	1155	*/
1121	void	1156	void
1122	rxvt_term::scr_gotorc (int row, int col, int relative)	1157	rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW
1123	{	1158	{
1124	want_refresh = 1;	1159	want_refresh = 1;
1125	ZERO_SCROLLBACK ();	1160	ZERO_SCROLLBACK ();
1126		1161
1127	screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;	1162	screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
…		…
1165	/* ------------------------------------------------------------------------- */	1200	/* ------------------------------------------------------------------------- */
1166	/*	1201	/*
1167	* direction should be UP or DN	1202	* direction should be UP or DN
1168	*/	1203	*/
1169	void	1204	void
1170	rxvt_term::scr_index (enum page_dirn direction)	1205	rxvt_term::scr_index (enum page_dirn direction) NOTHROW
1171	{	1206	{
1172	int dirn;	1207	int dirn;
1173		1208
1174	want_refresh = 1;	1209	want_refresh = 1;
1175	ZERO_SCROLLBACK ();	1210	ZERO_SCROLLBACK ();
…		…
1194	* XTERM_SEQ: Clear line to right: ESC [ 0 K	1229	* XTERM_SEQ: Clear line to right: ESC [ 0 K
1195	* XTERM_SEQ: Clear line to left : ESC [ 1 K	1230	* XTERM_SEQ: Clear line to left : ESC [ 1 K
1196	* XTERM_SEQ: Clear whole line : ESC [ 2 K	1231	* XTERM_SEQ: Clear whole line : ESC [ 2 K
1197	*/	1232	*/
1198	void	1233	void
1199	rxvt_term::scr_erase_line (int mode)	1234	rxvt_term::scr_erase_line (int mode) NOTHROW
1200	{	1235	{
1201	unsigned int col, num;	1236	unsigned int col, num;
1202		1237
1203	want_refresh = 1;	1238	want_refresh = 1;
1204	ZERO_SCROLLBACK ();	1239	ZERO_SCROLLBACK ();
…		…
1248	* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J	1283	* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1249	* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J	1284	* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1250	* XTERM_SEQ: Clear whole screen : ESC [ 2 J	1285	* XTERM_SEQ: Clear whole screen : ESC [ 2 J
1251	*/	1286	*/
1252	void	1287	void
1253	rxvt_term::scr_erase_screen (int mode)	1288	rxvt_term::scr_erase_screen (int mode) NOTHROW
1254	{	1289	{
1255	int num;	1290	int num;
1256	int32_t row;	1291	int32_t row;
1257	rend_t ren;	1292	rend_t ren;
1258	XGCValues gcvalue;	1293	XGCValues gcvalue;
…		…
1318	}	1353	}
1319	}	1354	}
1320		1355
1321	#if ENABLE_FRILLS	1356	#if ENABLE_FRILLS
1322	void	1357	void
1323	rxvt_term::scr_erase_savelines ()	1358	rxvt_term::scr_erase_savelines () NOTHROW
1324	{	1359	{
1325	want_refresh = 1;	1360	want_refresh = 1;
1326	ZERO_SCROLLBACK ();	1361	ZERO_SCROLLBACK ();
1327		1362
1328	nsaved = 0;	1363	top_row = 0;
1329	}	1364	}
1330	#endif	1365	#endif
1331		1366
1332	/* ------------------------------------------------------------------------- */	1367	/* ------------------------------------------------------------------------- */
1333	/*	1368	/*
1334	* Fill the screen with `E's	1369	* Fill the screen with `E's
1335	* XTERM_SEQ: Screen Alignment Test: ESC # 8	1370	* XTERM_SEQ: Screen Alignment Test: ESC # 8
1336	*/	1371	*/
1337	void	1372	void
1338	rxvt_term::scr_E ()	1373	rxvt_term::scr_E () NOTHROW
1339	{	1374	{
1340	rend_t fs;	1375	rend_t fs;
1341		1376
1342	want_refresh = 1;	1377	want_refresh = 1;
1343	ZERO_SCROLLBACK ();	1378	ZERO_SCROLLBACK ();
…		…
1364	/* ------------------------------------------------------------------------- */	1399	/* ------------------------------------------------------------------------- */
1365	/*	1400	/*
1366	* Insert/Delete <count> lines	1401	* Insert/Delete <count> lines
1367	*/	1402	*/
1368	void	1403	void
1369	rxvt_term::scr_insdel_lines (int count, int insdel)	1404	rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW
1370	{	1405	{
1371	int end;	1406	int end;
1372		1407
1373	ZERO_SCROLLBACK ();	1408	ZERO_SCROLLBACK ();
1374		1409
…		…
1394	/* ------------------------------------------------------------------------- */	1429	/* ------------------------------------------------------------------------- */
1395	/*	1430	/*
1396	* Insert/Delete <count> characters from the current position	1431	* Insert/Delete <count> characters from the current position
1397	*/	1432	*/
1398	void	1433	void
1399	rxvt_term::scr_insdel_chars (int count, int insdel)	1434	rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1400	{	1435	{
1401	int col, row;	1436	int col, row;
1402	rend_t tr;	1437	rend_t tr;
1403		1438
1404	want_refresh = 1;	1439	want_refresh = 1;
…		…
1492	/*	1527	/*
1493	* Set the scrolling region	1528	* Set the scrolling region
1494	* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r	1529	* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1495	*/	1530	*/
1496	void	1531	void
1497	rxvt_term::scr_scroll_region (int top, int bot)	1532	rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1498	{	1533	{
1499	max_it (top, 0);	1534	max_it (top, 0);
1500	min_it (bot, nrow - 1);	1535	min_it (bot, nrow - 1);
1501		1536
1502	if (top > bot)	1537	if (top > bot)
…		…
1512	* Make the cursor visible/invisible	1547	* Make the cursor visible/invisible
1513	* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h	1548	* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1514	* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l	1549	* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1515	*/	1550	*/
1516	void	1551	void
1517	rxvt_term::scr_cursor_visible (int mode)	1552	rxvt_term::scr_cursor_visible (int mode) NOTHROW
1518	{	1553	{
1519	want_refresh = 1;	1554	want_refresh = 1;
1520		1555
1521	if (mode)	1556	if (mode)
1522	screen.flags |= Screen_VisibleCursor;	1557	screen.flags |= Screen_VisibleCursor;
…		…
1529	* Set/unset automatic wrapping	1564	* Set/unset automatic wrapping
1530	* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h	1565	* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1531	* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l	1566	* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1532	*/	1567	*/
1533	void	1568	void
1534	rxvt_term::scr_autowrap (int mode)	1569	rxvt_term::scr_autowrap (int mode) NOTHROW
1535	{	1570	{
1536	if (mode)	1571	if (mode)
1537	screen.flags |= Screen_Autowrap;	1572	screen.flags |= Screen_Autowrap;
1538	else	1573	else
1539	screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);	1574	screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
…		…
1548	* and the cursor cannot be moved outside.	1583	* and the cursor cannot be moved outside.
1549	* XTERM_SEQ: Set Absolute: ESC [ ? 6 h	1584	* XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1550	* XTERM_SEQ: Set Relative: ESC [ ? 6 l	1585	* XTERM_SEQ: Set Relative: ESC [ ? 6 l
1551	*/	1586	*/
1552	void	1587	void
1553	rxvt_term::scr_relative_origin (int mode)	1588	rxvt_term::scr_relative_origin (int mode) NOTHROW
1554	{	1589	{
1555	if (mode)	1590	if (mode)
1556	screen.flags |= Screen_Relative;	1591	screen.flags |= Screen_Relative;
1557	else	1592	else
1558	screen.flags &= ~Screen_Relative;	1593	screen.flags &= ~Screen_Relative;
…		…
1565	* Set insert/replace mode	1600	* Set insert/replace mode
1566	* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h	1601	* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1567	* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l	1602	* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1568	*/	1603	*/
1569	void	1604	void
1570	rxvt_term::scr_insert_mode (int mode)	1605	rxvt_term::scr_insert_mode (int mode) NOTHROW
1571	{	1606	{
1572	if (mode)	1607	if (mode)
1573	screen.flags |= Screen_Insert;	1608	screen.flags |= Screen_Insert;
1574	else	1609	else
1575	screen.flags &= ~Screen_Insert;	1610	screen.flags &= ~Screen_Insert;
…		…
1581	* XTERM_SEQ: Set tab at current column : ESC H	1616	* XTERM_SEQ: Set tab at current column : ESC H
1582	* XTERM_SEQ: Clear tab at current column: ESC [ 0 g	1617	* XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1583	* XTERM_SEQ: Clear all tabs : ESC [ 3 g	1618	* XTERM_SEQ: Clear all tabs : ESC [ 3 g
1584	*/	1619	*/
1585	void	1620	void
1586	rxvt_term::scr_set_tab (int mode)	1621	rxvt_term::scr_set_tab (int mode) NOTHROW
1587	{	1622	{
1588	if (mode < 0)	1623	if (mode < 0)
1589	memset (tabs, 0, ncol * sizeof (char));	1624	memset (tabs, 0, ncol * sizeof (char));
1590	else if (screen.cur.col < ncol)	1625	else if (screen.cur.col < ncol)
1591	tabs [screen.cur.col] = !!mode;	1626	tabs [screen.cur.col] = !!mode;
…		…
1596	* Set reverse/normal video	1631	* Set reverse/normal video
1597	* XTERM_SEQ: Reverse video: ESC [ ? 5 h	1632	* XTERM_SEQ: Reverse video: ESC [ ? 5 h
1598	* XTERM_SEQ: Normal video : ESC [ ? 5 l	1633	* XTERM_SEQ: Normal video : ESC [ ? 5 l
1599	*/	1634	*/
1600	void	1635	void
1601	rxvt_term::scr_rvideo_mode (int mode)	1636	rxvt_term::scr_rvideo_mode (bool on) NOTHROW
1602	{	1637	{
1603	XGCValues gcvalue;	1638	rvideo_mode = on;
1604		1639
		1640	#ifndef NO_BELL
		1641	on ^= rvideo_bell;
		1642	#endif
		1643
1605	if (rvideo != mode)	1644	if (rvideo_state != on)
1606	{	1645	{
1607	rvideo = mode;	1646	rvideo_state = on;
		1647
1608	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);	1648	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1609	#if XPM_BACKGROUND	1649	#if XPM_BACKGROUND
1610	if (bgPixmap.pixmap == None)	1650	if (bgPixmap.pixmap == None)
1611	#endif	1651	#endif
1612	#if TRANSPARENT	1652	#if TRANSPARENT
1613	if (! OPTION (Opt_transparent) || am_transparent == 0)	1653	if (!OPTION (Opt_transparent) || am_transparent == 0)
1614	#endif	1654	#endif
1615	XSetWindowBackground (display->display, vt,	1655	XSetWindowBackground (display->display, vt, pix_colors[Color_bg]);
1616	pix_colors[Color_bg]);
1617		1656
		1657	XGCValues gcvalue;
1618	gcvalue.foreground = pix_colors[Color_fg];	1658	gcvalue.foreground = pix_colors[Color_fg];
1619	gcvalue.background = pix_colors[Color_bg];	1659	gcvalue.background = pix_colors[Color_bg];
1620	XChangeGC (display->display, gc, GCBackground | GCForeground,	1660	XChangeGC (display->display, gc, GCBackground | GCForeground, &gcvalue);
1621	&gcvalue);	1661
1622	scr_clear ();	1662	scr_clear ();
1623	scr_touch (true);	1663	scr_touch (true);
1624	}	1664	}
1625	}	1665	}
1626		1666
…		…
1628	/*	1668	/*
1629	* Report current cursor position	1669	* Report current cursor position
1630	* XTERM_SEQ: Report position: ESC [ 6 n	1670	* XTERM_SEQ: Report position: ESC [ 6 n
1631	*/	1671	*/
1632	void	1672	void
1633	rxvt_term::scr_report_position ()	1673	rxvt_term::scr_report_position () NOTHROW
1634	{	1674	{
1635	tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);	1675	tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1636	}	1676	}
1637		1677
1638	/* ------------------------------------------------------------------------- *	1678	/* ------------------------------------------------------------------------- *
…		…
1641		1681
1642	/*	1682	/*
1643	* Set font style	1683	* Set font style
1644	*/	1684	*/
1645	void	1685	void
1646	rxvt_term::set_font_style ()	1686	rxvt_term::set_font_style () NOTHROW
1647	{	1687	{
1648	#if 0	1688	#if 0
1649	switch (charsets [screen.charset])	1689	switch (charsets [screen.charset])
1650	{	1690	{
1651	case '0': /* DEC Special Character & Line Drawing Set */	1691	case '0': /* DEC Special Character & Line Drawing Set */
…		…
1673	* XTERM_SEQ: Invoke G1 character set: CTRL-N	1713	* XTERM_SEQ: Invoke G1 character set: CTRL-N
1674	* XTERM_SEQ: Invoke G2 character set: ESC N	1714	* XTERM_SEQ: Invoke G2 character set: ESC N
1675	* XTERM_SEQ: Invoke G3 character set: ESC O	1715	* XTERM_SEQ: Invoke G3 character set: ESC O
1676	*/	1716	*/
1677	void	1717	void
1678	rxvt_term::scr_charset_choose (int set)	1718	rxvt_term::scr_charset_choose (int set) NOTHROW
1679	{	1719	{
1680	screen.charset = set;	1720	screen.charset = set;
1681	set_font_style ();	1721	set_font_style ();
1682	}	1722	}
1683		1723
…		…
1689	* XTERM_SEQ: Set G2 character set: ESC * <C>	1729	* XTERM_SEQ: Set G2 character set: ESC * <C>
1690	* XTERM_SEQ: Set G3 character set: ESC + <C>	1730	* XTERM_SEQ: Set G3 character set: ESC + <C>
1691	* See set_font_style for possible values for <C>	1731	* See set_font_style for possible values for <C>
1692	*/	1732	*/
1693	void	1733	void
1694	rxvt_term::scr_charset_set (int set, unsigned int ch)	1734	rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW
1695	{	1735	{
1696	charsets[set] = (unsigned char)ch;	1736	charsets[set] = (unsigned char)ch;
1697	set_font_style ();	1737	set_font_style ();
1698	}	1738	}
1699		1739
…		…
1704		1744
1705	/*	1745	/*
1706	* refresh matching text.	1746	* refresh matching text.
1707	*/	1747	*/
1708	bool	1748	bool
1709	rxvt_term::scr_refresh_rend (rend_t mask, rend_t value)	1749	rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1710	{	1750	{
1711	bool found = false;	1751	bool found = false;
1712		1752
1713	for (int i = 0; i < nrow; i++)	1753	for (int i = 0; i < nrow; i++)
1714	{	1754	{
…		…
1734	PART_END,	1774	PART_END,
1735	RC_COUNT	1775	RC_COUNT
1736	};	1776	};
1737		1777
1738	void	1778	void
1739	rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh)	1779	rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1740	{	1780	{
1741	int i;	1781	int i;
1742	row_col_t rc[RC_COUNT];	1782	row_col_t rc[RC_COUNT];
1743		1783
1744	if (!drawn_buf) /* sanity check */	1784	if (!drawn_buf) /* sanity check */
…		…
1767	}	1807	}
1768		1808
1769	for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)	1809	for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1770	fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);	1810	fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1771		1811
		1812	num_scr_allow = 0;
		1813
1772	if (refresh)	1814	if (refresh)
1773	scr_refresh (SLOW_REFRESH);	1815	scr_refresh ();
1774	}	1816	}
1775		1817
1776	/* ------------------------------------------------------------------------- */	1818	/* ------------------------------------------------------------------------- */
1777	/*	1819	/*
1778	* Refresh the entire screen	1820	* Refresh the entire screen
1779	*/	1821	*/
1780	void	1822	void
1781	rxvt_term::scr_touch (bool refresh)	1823	rxvt_term::scr_touch (bool refresh) NOTHROW
1782	{	1824	{
1783	scr_expose (0, 0, width, height, refresh);	1825	scr_expose (0, 0, width, height, refresh);
1784	}	1826	}
1785		1827
1786	/* ------------------------------------------------------------------------- */	1828	/* ------------------------------------------------------------------------- */
1787	/*	1829	/*
1788	* Move the display so that the line represented by scrollbar value Y is at	1830	* Move the display so that the line represented by scrollbar value Y is at
1789	* the top of the screen	1831	* the top of the screen
1790	*/	1832	*/
1791	int	1833	void
1792	rxvt_term::scr_move_to (int y, int len)	1834	rxvt_term::scr_move_to (int y, int len) NOTHROW
1793	{	1835	{
1794	long p = 0;	1836	scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));
1795	unsigned int oldviewstart;
1796
1797	oldviewstart = view_start;
1798
1799	if (y < len)
1800	{
1801	p = (nrow + nsaved) * (len - y) / len;
1802	p -= (long) (nrow - 1);
1803	p = max (p, 0);
1804	}
1805
1806	view_start = (unsigned int)min (p, nsaved);
1807
1808	return scr_changeview (oldviewstart);
1809	}	1837	}
1810		1838
1811	/* ------------------------------------------------------------------------- */	1839	/* ------------------------------------------------------------------------- */
1812	/*	1840	/*
1813	* Page the screen up/down nlines	1841	* Page the screen up/down nlines
1814	* direction should be UP or DN	1842	* direction should be UP or DN
1815	*/	1843	*/
1816	int	1844	bool
1817	rxvt_term::scr_page (enum page_dirn direction, int nlines)	1845	rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW
1818	{	1846	{
1819	int n;	1847	int new_view_start =
1820	unsigned int oldviewstart;
1821
1822	oldviewstart = view_start;
1823
1824	if (direction == UP)
1825	{
1826	n = view_start + nlines;
1827	view_start = min (n, nsaved);
1828	}
1829	else
1830	{
1831	n = view_start - nlines;	1848	direction == UP ? view_start - nlines
1832	view_start = max (n, 0);	1849	: view_start + nlines;
1833	}
1834		1850
1835	return scr_changeview (oldviewstart);	1851	return scr_changeview (new_view_start);
1836	}	1852	}
1837		1853
1838	int	1854	bool
1839	rxvt_term::scr_changeview (unsigned int oldviewstart)	1855	rxvt_term::scr_changeview (int new_view_start) NOTHROW
1840	{	1856	{
		1857	clamp_it (new_view_start, top_row, 0);
		1858
1841	if (view_start != oldviewstart)	1859	if (new_view_start == view_start)
1842	{	1860	return false;
		1861
		1862	num_scr += new_view_start - view_start;
		1863	view_start = new_view_start;
		1864	want_refresh = 1;
		1865
1843	HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));	1866	HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1844		1867
1845	want_refresh = 1;	1868	return true;
1846	num_scr -= (view_start - oldviewstart);
1847	}
1848
1849	return (int)view_start - (int)oldviewstart;
1850	}	1869	}
1851		1870
1852	/* ------------------------------------------------------------------------- */	1871	#ifndef NO_BELL
1853	void	1872	void
		1873	rxvt_term::bell_cb (time_watcher &w)
		1874	{
		1875	rvideo_bell = false;
		1876	scr_rvideo_mode (rvideo_mode);
		1877	}
		1878	#endif
		1879
		1880	/* ------------------------------------------------------------------------- */
		1881	void
1854	rxvt_term::scr_bell ()	1882	rxvt_term::scr_bell () NOTHROW
1855	{	1883	{
1856	#ifndef NO_BELL	1884	#ifndef NO_BELL
1857		1885
1858	# ifndef NO_MAPALERT	1886	# ifndef NO_MAPALERT
1859	# ifdef MAPALERT_OPTION	1887	# ifdef MAPALERT_OPTION
…		…
1862	XMapWindow (display->display, parent[0]);	1890	XMapWindow (display->display, parent[0]);
1863	# endif	1891	# endif
1864		1892
1865	if (OPTION (Opt_visualBell))	1893	if (OPTION (Opt_visualBell))
1866	{	1894	{
1867	scr_rvideo_mode (!rvideo); /* refresh also done */	1895	rvideo_bell = true;
1868	rxvt_usleep (VISUAL_BELL_DURATION);	1896	scr_rvideo_mode (rvideo_mode);
1869	scr_rvideo_mode (!rvideo); /* refresh also done */	1897	display->flush ();
		1898
		1899	bell_ev.start (NOW + VISUAL_BELL_DURATION);
1870	}	1900	}
1871	else	1901	else
1872	XBell (display->display, 0);	1902	XBell (display->display, 0);
1873		1903
1874	#endif	1904	#endif
1875	}	1905	}
1876		1906
1877	/* ------------------------------------------------------------------------- */	1907	/* ------------------------------------------------------------------------- */
1878	/* ARGSUSED */	1908	/* ARGSUSED */
1879	void	1909	void
1880	rxvt_term::scr_printscreen (int fullhist)	1910	rxvt_term::scr_printscreen (int fullhist) NOTHROW
1881	{	1911	{
1882	#ifdef PRINTPIPE	1912	#ifdef PRINTPIPE
1883	int nrows, row_start;	1913	int nrows, row_start;
1884	FILE *fd;	1914	FILE *fd;
1885		1915
1886	if ((fd = popen_printer ()) == NULL)	1916	if ((fd = popen_printer ()) == NULL)
1887	return;	1917	return;
1888		1918
1889	if (fullhist)	1919	if (fullhist)
1890	{	1920	{
1891	nrows = nrow + nsaved;	1921	nrows = nrow - top_row;
1892	row_start = -nsaved;	1922	row_start = top_row;
1893	}	1923	}
1894	else	1924	else
1895	{	1925	{
1896	nrows = nrow;	1926	nrows = nrow;
1897	row_start = -view_start;	1927	row_start = view_start;
1898	}	1928	}
1899		1929
1900	wctomb (0, 0);	1930	wctomb (0, 0);
1901		1931
1902	for (int r1 = 0; r1 < nrows; r1++)	1932	for (int r1 = 0; r1 < nrows; r1++)
…		…
1934	* Refresh the screen	1964	* Refresh the screen
1935	* drawn_text/drawn_rend contain the screen information before the update.	1965	* drawn_text/drawn_rend contain the screen information before the update.
1936	* screen.text/screen.rend contain what the screen will change to.	1966	* screen.text/screen.rend contain what the screen will change to.
1937	*/	1967	*/
1938	void	1968	void
1939	rxvt_term::scr_refresh (unsigned char refresh_type)	1969	rxvt_term::scr_refresh () NOTHROW
1940	{	1970	{
1941	unsigned char must_clear, /* use draw_string not draw_image_string */	1971	unsigned char must_clear, /* use draw_string not draw_image_string */
1942	showcursor; /* show the cursor */	1972	showcursor; /* show the cursor */
1943	int16_t col, row, /* column/row we're processing */	1973	int16_t col, row, /* column/row we're processing */
1944	ocrow; /* old cursor row */	1974	ocrow; /* old cursor row */
…		…
2030		2060
2031	/* make sure no outline cursor is left around */	2061	/* make sure no outline cursor is left around */
2032	setoldcursor = 0;	2062	setoldcursor = 0;
2033	if (ocrow != -1)	2063	if (ocrow != -1)
2034	{	2064	{
2035	if (screen.cur.row + view_start != ocrow	2065	if (screen.cur.row - view_start != ocrow
2036	|| screen.cur.col != oldcursor.col)	2066	|| screen.cur.col != oldcursor.col)
2037	{	2067	{
2038	if (ocrow < nrow	2068	if (ocrow < nrow
2039	&& oldcursor.col < ncol)	2069	&& oldcursor.col < ncol)
2040	drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);	2070	drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
…		…
2048	else if (!focus)	2078	else if (!focus)
2049	setoldcursor = 1;	2079	setoldcursor = 1;
2050		2080
2051	if (setoldcursor)	2081	if (setoldcursor)
2052	{	2082	{
2053	if (screen.cur.row + view_start >= nrow)	2083	if (screen.cur.row - view_start >= nrow)
2054	oldcursor.row = -1;	2084	oldcursor.row = -1;
2055	else	2085	else
2056	{	2086	{
2057	oldcursor.row = screen.cur.row + view_start;	2087	oldcursor.row = screen.cur.row - view_start;
2058	oldcursor.col = screen.cur.col;	2088	oldcursor.col = screen.cur.col;
2059	}	2089	}
2060	}	2090	}
2061	}	2091	}
2062		2092
…		…
2068	#ifndef NO_SLOW_LINK_SUPPORT	2098	#ifndef NO_SLOW_LINK_SUPPORT
2069	/*	2099	/*
2070	* D: CopyArea pass - very useful for slower links	2100	* D: CopyArea pass - very useful for slower links
2071	* This has been deliberately kept simple.	2101	* This has been deliberately kept simple.
2072	*/	2102	*/
2073	i = num_scr;
2074	if (!display->is_local	2103	if (!display->is_local
2075	&& refresh_type == FAST_REFRESH && num_scr_allow && num_scr	2104	&& refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2076	&& abs (num_scr) < nrow && !must_clear)	2105	&& abs (num_scr) < nrow && !must_clear)
2077	{	2106	{
2078	int16_t nits;	2107	int16_t nits;
2079	int j;	2108	int j;
2080	int len, wlen;	2109	int len, wlen;
		2110	dLocal (int, num_scr);
2081		2111
2082	j = nrow;	2112	j = nrow;
2083	wlen = len = -1;	2113	wlen = len = -1;
2084	row = i > 0 ? 0 : j - 1;	2114	row = i > 0 ? 0 : j - 1;
2085	for (; j-- >= 0; row += (i > 0 ? 1 : -1))	2115	for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2086	{	2116	{
2087	if (row + i >= 0 && row + i < nrow && row + i != ocrow)	2117	if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2088	{	2118	{
2089	line_t s = ROW(row - view_start);	2119	line_t s = ROW(view_start + row);
2090	line_t d = drawn_buf[row];	2120	line_t d = drawn_buf[row];
2091	line_t d2 = drawn_buf[row + i];	2121	line_t d2 = drawn_buf[row + i];
2092		2122
2093	for (nits = 0, col = ncol; col--; )	2123	for (nits = 0, col = ncol; col--; )
2094	if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])	2124	if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
…		…
2132	/*	2162	/*
2133	* E: main pass across every character	2163	* E: main pass across every character
2134	*/	2164	*/
2135	for (row = 0; row < nrow; row++)	2165	for (row = 0; row < nrow; row++)
2136	{	2166	{
2137	text_t *stp = ROW(row - view_start).t;	2167	text_t *stp = ROW(view_start + row).t;
2138	rend_t *srp = ROW(row - view_start).r;	2168	rend_t *srp = ROW(view_start + row).r;
2139	text_t *dtp = drawn_buf[row].t;	2169	text_t *dtp = drawn_buf[row].t;
2140	rend_t *drp = drawn_buf[row].r;	2170	rend_t *drp = drawn_buf[row].r;
2141		2171
2142	/*	2172	/*
2143	* E2: OK, now the real pass	2173	* E2: OK, now the real pass
…		…
2380	/*	2410	/*
2381	* H: cleanup selection	2411	* H: cleanup selection
2382	*/	2412	*/
2383	scr_reverse_selection ();	2413	scr_reverse_selection ();
2384		2414
2385	if (refresh_type & SMOOTH_REFRESH)
2386	XFlush (display->display);
2387
2388	num_scr = 0;	2415	num_scr = 0;
2389	num_scr_allow = 1;	2416	num_scr_allow = 1;
2390	}	2417	}
2391		2418
2392	void	2419	void
2393	rxvt_term::scr_remap_chars (line_t &l)	2420	rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2394	{	2421	{
2395	if (!l.t)	2422	if (!l.t)
2396	return;	2423	return;
2397		2424
2398	l.touch (); // maybe a bit of an overkill, but it's not performance-relevant	2425	l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
…		…
2400	for (int i = ncol; i--; )	2427	for (int i = ncol; i--; )
2401	l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));	2428	l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2402	}	2429	}
2403		2430
2404	void	2431	void
2405	rxvt_term::scr_remap_chars ()	2432	rxvt_term::scr_remap_chars () NOTHROW
2406	{	2433	{
2407	for (int i = total_rows; i--; )	2434	for (int i = total_rows; i--; )
2408	scr_remap_chars (row_buf [i]);	2435	scr_remap_chars (row_buf [i]);
2409		2436
2410	for (int i = nrow; i--; )	2437	for (int i = nrow; i--; )
…		…
2413	scr_remap_chars (swap_buf [i]);	2440	scr_remap_chars (swap_buf [i]);
2414	}	2441	}
2415	}	2442	}
2416		2443
2417	void	2444	void
2418	rxvt_term::scr_recolour ()	2445	rxvt_term::scr_recolour () NOTHROW
2419	{	2446	{
2420	if (1	2447	if (1
2421	#if TRANSPARENT	2448	#if TRANSPARENT
2422	&& !am_transparent	2449	&& !am_transparent
2423	#endif	2450	#endif
…		…
2444	want_refresh = 1;	2471	want_refresh = 1;
2445	}	2472	}
2446		2473
2447	/* ------------------------------------------------------------------------- */	2474	/* ------------------------------------------------------------------------- */
2448	void	2475	void
2449	rxvt_term::scr_clear (bool really)	2476	rxvt_term::scr_clear (bool really) NOTHROW
2450	{	2477	{
2451	if (!mapped)	2478	if (!mapped)
2452	return;	2479	return;
2453		2480
2454	num_scr_allow = 0;	2481	num_scr_allow = 0;
…		…
2456		2483
2457	if (really)	2484	if (really)
2458	XClearWindow (display->display, vt);	2485	XClearWindow (display->display, vt);
2459	}	2486	}
2460		2487
2461	/* ------------------------------------------------------------------------- */
2462	void	2488	void
		2489	rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW
		2490	{
		2491	int view_end = view_start + nrow;
		2492	int row, col;
		2493
		2494	for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
		2495	{
		2496	text_t *stp = ROW(row).t;
		2497	rend_t *srp = ROW(row).r;
		2498
		2499	for (col = beg_col; col < end_col; col++)
		2500	srp[col] ^= rstyle1;
		2501
		2502	while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
		2503	srp[col] ^= rstyle2;
		2504
		2505	if (++col < end_col)
		2506	srp[col] ^= rstyle2;
		2507	}
		2508	}
		2509
		2510	void
		2511	rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW
		2512	{
		2513	int view_end = view_start + nrow;
		2514	int row, col;
		2515
		2516	if (beg_row >= view_start)
		2517	{
		2518	col = beg_col;
		2519	row = beg_row;
		2520	}
		2521	else
		2522	{
		2523	col = 0;
		2524	row = view_start;
		2525	}
		2526
		2527	for (; row < min (end_row, view_end); row++, col = 0)
		2528	for (rend_t *srp = ROW(row).r; col < ncol; col++)
		2529	srp[col] ^= rstyle;
		2530
		2531	if (row == end_row)
		2532	for (rend_t *srp = ROW(row).r; col < end_col; col++)
		2533	srp[col] ^= rstyle;
		2534	}
		2535
		2536	/* ------------------------------------------------------------------------- */
		2537	void
2463	rxvt_term::scr_reverse_selection ()	2538	rxvt_term::scr_reverse_selection () NOTHROW
2464	{	2539	{
2465	if (selection.op	2540	if (selection.op
2466	&& current_screen == selection.screen	2541	&& current_screen == selection.screen
2467	&& selection.end.row >= -view_start)	2542	&& selection.end.row >= view_start)
2468	{	2543	{
2469	int view_end = -view_start + nrow;
2470	int row, col;
2471
2472	#if ENABLE_FRILLS	2544	#if ENABLE_FRILLS
2473	if (selection.rect)	2545	if (selection.rect)
2474	{	2546	scr_xor_rect (selection.beg.row, selection.beg.col,
2475	for (row = max (selection.beg.row, -view_start); row <= min (selection.end.row, view_end); row++)	2547	selection.end.row, selection.end.col,
2476	{	2548	RS_RVid, RS_RVid | RS_Uline);
2477	text_t *stp = ROW(row).t;
2478	rend_t *srp = ROW(row).r;
2479
2480	for (col = selection.beg.col; col < selection.end.col; col++)
2481	srp[col] ^= RS_RVid;
2482
2483	while (col-- > selection.beg.col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2484	srp[col] ^= RS_RVid | RS_Uline;
2485
2486	if (++col < selection.end.col)
2487	srp[col] ^= RS_RVid | RS_Uline;
2488	}
2489	}
2490	else	2549	else
2491	#endif	2550	#endif
2492	{	2551	scr_xor_span (selection.beg.row, selection.beg.col,
2493	if (selection.beg.row >= -view_start)	2552	selection.end.row, selection.end.col,
2494	{	2553	RS_RVid);
2495	col = selection.beg.col;
2496	row = selection.beg.row;
2497	}
2498	else
2499	{
2500	col = 0;
2501	row = -view_start;
2502	}
2503
2504	for (; row < min (selection.end.row, view_end); row++, col = 0)
2505	for (rend_t *srp = ROW(row).r; col < ncol; col++)
2506	srp[col] ^= RS_RVid;
2507
2508	if (row == selection.end.row)
2509	for (rend_t *srp = ROW(row).r; col < selection.end.col; col++)
2510	srp[col] ^= RS_RVid;
2511	}
2512	}	2554	}
2513	}	2555	}
2514		2556
2515	/* ------------------------------------------------------------------------- */	2557	/* ------------------------------------------------------------------------- */
2516	/*	2558	/*
2517	* Dump the whole scrollback and screen to the passed filedescriptor. The	2559	* Dump the whole scrollback and screen to the passed filedescriptor. The
2518	* invoking routine must close the fd.	2560	* invoking routine must close the fd.
2519	*/	2561	*/
2520	#if 0	2562	#if 0
2521	void	2563	void
2522	rxvt_term::scr_dump (int fd)	2564	rxvt_term::scr_dump (int fd) NOTHROW
2523	{	2565	{
2524	int row, wrote;	2566	int row, wrote;
2525	unsigned int width, towrite;	2567	unsigned int width, towrite;
2526	char r1[] = "\n";	2568	char r1[] = "\n";
2527		2569
…		…
2546		2588
2547	/* ------------------------------------------------------------------------- *	2589	/* ------------------------------------------------------------------------- *
2548	* CHARACTER SELECTION *	2590	* CHARACTER SELECTION *
2549	* ------------------------------------------------------------------------- */	2591	* ------------------------------------------------------------------------- */
2550	void	2592	void
2551	rxvt_term::selection_check (int check_more)	2593	rxvt_term::selection_check (int check_more) NOTHROW
2552	{	2594	{
2553	row_col_t pos;	2595	row_col_t pos;
2554		2596
2555	if (!selection.op)	2597	if (!selection.op)
2556	return;	2598	return;
2557		2599
2558	pos.row = pos.col = 0;	2600	pos.row = pos.col = 0;
2559	if (!IN_RANGE_EXC (selection.beg.row, -nsaved, nrow)	2601	if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2560	|| !IN_RANGE_EXC (selection.mark.row, -nsaved, nrow)	2602	|| !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2561	|| !IN_RANGE_EXC (selection.end.row, -nsaved, nrow)	2603	|| !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2562	|| (check_more == 1	2604	|| (check_more == 1
2563	&& current_screen == selection.screen	2605	&& current_screen == selection.screen
2564	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)	2606	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2565	&& ROWCOL_IS_BEFORE (screen.cur, selection.end))	2607	&& ROWCOL_IS_BEFORE (screen.cur, selection.end))
2566	|| (check_more == 2	2608	|| (check_more == 2
…		…
2577	/* ------------------------------------------------------------------------- */	2619	/* ------------------------------------------------------------------------- */
2578	/*	2620	/*
2579	* Paste a selection direct to the command fd	2621	* Paste a selection direct to the command fd
2580	*/	2622	*/
2581	void	2623	void
2582	rxvt_term::paste (char *data, unsigned int len)	2624	rxvt_term::paste (char *data, unsigned int len) NOTHROW
2583	{	2625	{
2584	/* convert normal newline chars into common keyboard Return key sequence */	2626	/* convert normal newline chars into common keyboard Return key sequence */
2585	for (unsigned int i = 0; i < len; i++)	2627	for (unsigned int i = 0; i < len; i++)
2586	if (data[i] == C0_LF)	2628	if (data[i] == C0_LF)
2587	data[i] = C0_CR;	2629	data[i] = C0_CR;
…		…
2593	/*	2635	/*
2594	* Respond to a notification that a primary selection has been sent	2636	* Respond to a notification that a primary selection has been sent
2595	* EXT: SelectionNotify	2637	* EXT: SelectionNotify
2596	*/	2638	*/
2597	void	2639	void
2598	rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop)	2640	rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW
2599	{	2641	{
2600	if (prop == None) /* check for failed XConvertSelection */	2642	if (prop == None) /* check for failed XConvertSelection */
2601	{	2643	{
2602	if ((selection_type & Sel_CompoundText))	2644	if ((selection_type & Sel_CompoundText))
2603	{	2645	{
…		…
2755	if (selection_wait == Sel_normal)	2797	if (selection_wait == Sel_normal)
2756	selection_wait = Sel_none;	2798	selection_wait = Sel_none;
2757	}	2799	}
2758		2800
2759	void	2801	void
2760	rxvt_term::incr_cb (time_watcher &w)	2802	rxvt_term::incr_cb (time_watcher &w) NOTHROW
2761	{	2803	{
2762	selection_wait = Sel_none;	2804	selection_wait = Sel_none;
2763		2805
2764	incr_buf_size = 0;	2806	incr_buf_size = 0;
2765	free (incr_buf);	2807	free (incr_buf);
2766		2808
2767	rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");	2809	rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2768	}	2810	}
2769		2811
2770	void	2812	void
2771	rxvt_term::selection_property (Window win, Atom prop)	2813	rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2772	{	2814	{
2773	if (prop == None || selection_wait != Sel_incr)	2815	if (prop == None || selection_wait != Sel_incr)
2774	return;	2816	return;
2775		2817
2776	selection_paste (win, prop, true);	2818	selection_paste (win, prop, true);
…		…
2785	* (+) if ownership is claimed but property is empty, rxvt_selection_paste ()	2827	* (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2786	* will auto fallback to CUT_BUFFER0	2828	* will auto fallback to CUT_BUFFER0
2787	* EXT: button 2 release	2829	* EXT: button 2 release
2788	*/	2830	*/
2789	void	2831	void
2790	rxvt_term::selection_request (Time tm, int x, int y)	2832	rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2791	{	2833	{
2792	if (x < 0 || x >= width || y < 0 || y >= height)	2834	if (selection.text && selnum == Sel_Primary)
2793	return; /* outside window */
2794
2795	if (selection.text)
2796	{ /* internal selection */	2835	{ /* internal selection */
2797	char *str = rxvt_wcstombs (selection.text, selection.len);	2836	char *str = rxvt_wcstombs (selection.text, selection.len);
2798	paste (str, strlen (str));	2837	paste (str, strlen (str));
2799	free (str);	2838	free (str);
2800	return;	2839	return;
2801	}	2840	}
2802	else	2841	else
2803	{	2842	{
2804	int i;
2805
2806	selection_request_time = tm;	2843	selection_request_time = tm;
2807	selection_wait = Sel_normal;	2844	selection_wait = Sel_normal;
2808		2845
2809	for (i = Sel_Primary; i <= Sel_Clipboard; i++)
2810	{
2811	#if X_HAVE_UTF8_STRING	2846	#if X_HAVE_UTF8_STRING
2812	selection_type = Sel_UTF8String;	2847	selection_type = Sel_UTF8String;
2813	if (selection_request_other (xa[XA_UTF8_STRING], i))	2848	if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2814	return;	2849	return;
2815	#else	2850	#else
2816	selection_type = Sel_CompoundText;	2851	selection_type = Sel_CompoundText;
2817	if (selection_request_other (xa[XA_COMPOUND_TEXT], i))	2852	if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2818	return;	2853	return;
2819	#endif	2854	#endif
2820	}
2821	}	2855	}
2822		2856
2823	selection_wait = Sel_none; /* don't loop in selection_paste () */	2857	selection_wait = Sel_none; /* don't loop in selection_paste () */
2824	selection_paste (display->root, XA_CUT_BUFFER0, false);	2858	selection_paste (display->root, XA_CUT_BUFFER0, false);
2825	}	2859	}
2826		2860
2827	int	2861	int
2828	rxvt_term::selection_request_other (Atom target, int selnum)	2862	rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2829	{	2863	{
2830	Atom sel;	2864	Atom sel;
2831		2865
2832	selection_type |= selnum;	2866	selection_type |= selnum;
2833		2867
…		…
2852	/*	2886	/*
2853	* Clear all selected text	2887	* Clear all selected text
2854	* EXT: SelectionClear	2888	* EXT: SelectionClear
2855	*/	2889	*/
2856	void	2890	void
2857	rxvt_term::selection_clear ()	2891	rxvt_term::selection_clear () NOTHROW
2858	{	2892	{
2859	want_refresh = 1;	2893	want_refresh = 1;
2860	free (selection.text);	2894	free (selection.text);
2861	selection.text = NULL;	2895	selection.text = NULL;
2862	selection.len = 0;	2896	selection.len = 0;
…		…
2997		3031
2998	selection_grab (tm);	3032	selection_grab (tm);
2999	}	3033	}
3000		3034
3001	bool	3035	bool
3002	rxvt_term::selection_grab (Time tm)	3036	rxvt_term::selection_grab (Time tm) NOTHROW
3003	{	3037	{
3004	selection_time = tm;	3038	selection_time = tm;
3005		3039
3006	XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm);	3040	XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm);
3007	if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt)	3041	if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt)
3008	{	3042	{
3009	display->set_selection_owner (this);	3043	display->set_selection_owner (this);
3010	return true;	3044	return true;
3011	}	3045	}
3012	else	3046	else
		3047	{
		3048	selection_clear ();
3013	return false;	3049	return false;
		3050	}
3014		3051
3015	#if 0	3052	#if 0
3016	XTextProperty ct;	3053	XTextProperty ct;
3017		3054
3018	if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)	3055	if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)
…		…
3027	/*	3064	/*
3028	* Mark or select text based upon number of clicks: 1, 2, or 3	3065	* Mark or select text based upon number of clicks: 1, 2, or 3
3029	* EXT: button 1 press	3066	* EXT: button 1 press
3030	*/	3067	*/
3031	void	3068	void
3032	rxvt_term::selection_click (int clicks, int x, int y)	3069	rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
3033	{	3070	{
3034	clicks = ((clicks - 1) % 3) + 1;	3071	clicks = ((clicks - 1) % 3) + 1;
3035	selection.clicks = clicks; /* save clicks so extend will work */	3072	selection.clicks = clicks; /* save clicks so extend will work */
3036		3073
		3074	if (clicks == 2 && !selection.rect
		3075	&& HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
		3076	{
		3077	MEvent.clicks = 1; // what a mess
		3078	selection.screen = current_screen;
		3079	selection.op = SELECTION_CONT;
		3080	return;
		3081	}
		3082
3037	selection_start_colrow (Pixel2Col (x), Pixel2Row (y));	3083	selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
3038		3084
3039	if (clicks == 2 || clicks == 3)	3085	if (clicks == 2 || clicks == 3)
3040	selection_extend_colrow (selection.mark.col,	3086	selection_extend_colrow (selection.mark.col,
3041	selection.mark.row + view_start,	3087	selection.mark.row - view_start,
3042	0, /* button 3 */	3088	0, /* button 3 */
3043	1, /* button press */	3089	1, /* button press */
3044	0); /* click change */	3090	0); /* click change */
3045	}	3091	}
3046		3092
3047	/* ------------------------------------------------------------------------- */	3093	/* ------------------------------------------------------------------------- */
3048	/*	3094	/*
3049	* Mark a selection at the specified col/row	3095	* Mark a selection at the specified col/row
3050	*/	3096	*/
3051	void	3097	void
3052	rxvt_term::selection_start_colrow (int col, int row)	3098	rxvt_term::selection_start_colrow (int col, int row) NOTHROW
3053	{	3099	{
3054	want_refresh = 1;	3100	want_refresh = 1;
3055		3101
3056	selection.mark.row = row - view_start;	3102	selection.mark.row = row + view_start;
3057	selection.mark.col = col;	3103	selection.mark.col = col;
3058		3104
3059	selection.mark.row = clamp (selection.mark.row, -nsaved, nrow - 1);	3105	selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
3060	selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);	3106	selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3061		3107
3062	while (selection.mark.col > 0	3108	while (selection.mark.col > 0
3063	&& ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)	3109	&& ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
3064	--selection.mark.col;	3110	--selection.mark.col;
…		…
3083	#define DELIMIT_TEXT(x) \	3129	#define DELIMIT_TEXT(x) \
3084	(unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))	3130	(unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3085	#define DELIMIT_REND(x) 1	3131	#define DELIMIT_REND(x) 1
3086		3132
3087	void	3133	void
3088	rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret)	3134	rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
3089	{	3135	{
3090	int col, row, dirnadd, tcol, trow, w1, w2;	3136	int col, row, dirnadd, tcol, trow, w1, w2;
3091	row_col_t bound;	3137	row_col_t bound;
3092	text_t *stp;	3138	text_t *stp;
3093	rend_t *srp;	3139	rend_t *srp;
3094		3140
3095	if (dirn == UP)	3141	if (dirn == UP)
3096	{	3142	{
3097	bound.row = - nsaved - 1;	3143	bound.row = top_row - 1;
3098	bound.col = 0;	3144	bound.col = 0;
3099	dirnadd = -1;	3145	dirnadd = -1;
3100	}	3146	}
3101	else	3147	else
3102	{	3148	{
…		…
3167	* flag == 0 ==> button 1	3213	* flag == 0 ==> button 1
3168	* flag == 1 ==> button 3 press	3214	* flag == 1 ==> button 3 press
3169	* flag == 2 ==> button 3 motion	3215	* flag == 2 ==> button 3 motion
3170	*/	3216	*/
3171	void	3217	void
3172	rxvt_term::selection_extend (int x, int y, int flag)	3218	rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
3173	{	3219	{
3174	int col = clamp (Pixel2Col (x), 0, ncol);	3220	int col = clamp (Pixel2Col (x), 0, ncol);
3175	int row = clamp (Pixel2Row (y), 0, nrow - 1);	3221	int row = clamp (Pixel2Row (y), 0, nrow - 1);
3176		3222
3177	/*	3223	/*
…		…
3180	* select nothing. Otherwise, if we're to the right of the mark, you have to	3226	* select nothing. Otherwise, if we're to the right of the mark, you have to
3181	* be _past_ a character for it to be selected.	3227	* be _past_ a character for it to be selected.
3182	*/	3228	*/
3183	if (((selection.clicks % 3) == 1) && !flag	3229	if (((selection.clicks % 3) == 1) && !flag
3184	&& (col == selection.mark.col	3230	&& (col == selection.mark.col
3185	&& (row == selection.mark.row + view_start)))	3231	&& (row == selection.mark.row - view_start)))
3186	{	3232	{
3187	/* select nothing */	3233	/* select nothing */
3188	selection.beg.row = selection.end.row = 0;	3234	selection.beg.row = selection.end.row = 0;
3189	selection.beg.col = selection.end.col = 0;	3235	selection.beg.col = selection.end.col = 0;
3190	selection.clicks = 4;	3236	selection.clicks = 4;
…		…
3203	/* ------------------------------------------------------------------------- */	3249	/* ------------------------------------------------------------------------- */
3204	/*	3250	/*
3205	* Extend the selection to the specified col/row	3251	* Extend the selection to the specified col/row
3206	*/	3252	*/
3207	void	3253	void
3208	rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange)	3254	rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
3209	{	3255	{
3210	row_col_t pos;	3256	row_col_t pos;
3211	enum {	3257	enum {
3212	LEFT, RIGHT	3258	LEFT, RIGHT
3213	} closeto = RIGHT;	3259	} closeto = RIGHT;
…		…
3245	selection.beg.col = selection.end.col = selection.mark.col;	3291	selection.beg.col = selection.end.col = selection.mark.col;
3246	selection.beg.row = selection.end.row = selection.mark.row;	3292	selection.beg.row = selection.end.row = selection.mark.row;
3247	}	3293	}
3248		3294
3249	pos.col = col;	3295	pos.col = col;
3250	pos.row = row - view_start;	3296	pos.row = view_start + row;
3251		3297
3252	/*	3298	/*
3253	* This is mainly xterm style selection with a couple of differences, mainly	3299	* This is mainly xterm style selection with a couple of differences, mainly
3254	* in the way button3 drag extension works.	3300	* in the way button3 drag extension works.
3255	* We're either doing: button1 drag; button3 press; or button3 drag	3301	* We're either doing: button1 drag; button3 press; or button3 drag
…		…
3336	else if (selection.clicks == 2)	3382	else if (selection.clicks == 2)
3337	{	3383	{
3338	if (ROWCOL_IS_AFTER (selection.end, selection.beg))	3384	if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3339	selection.end.col--;	3385	selection.end.col--;
3340		3386
3341	if (!HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
3342	{
3343	selection_delimit_word (UP, &selection.beg, &selection.beg);	3387	selection_delimit_word (UP, &selection.beg, &selection.beg);
3344	selection_delimit_word (DN, &selection.end, &selection.end);	3388	selection_delimit_word (DN, &selection.end, &selection.end);
3345	}
3346	}	3389	}
3347	else if (selection.clicks == 3)	3390	else if (selection.clicks == 3)
3348	{	3391	{
3349	#if ENABLE_FRILLS	3392	#if ENABLE_FRILLS
3350	if (OPTION (Opt_tripleclickwords))	3393	if (OPTION (Opt_tripleclickwords))
…		…
3402	#endif	3445	#endif
3403	}	3446	}
3404		3447
3405	#if ENABLE_FRILLS	3448	#if ENABLE_FRILLS
3406	void	3449	void
3407	rxvt_term::selection_remove_trailing_spaces ()	3450	rxvt_term::selection_remove_trailing_spaces () NOTHROW
3408	{	3451	{
3409	int32_t end_col, end_row;	3452	int32_t end_col, end_row;
3410	text_t *stp;	3453	text_t *stp;
3411		3454
3412	end_col = selection.end.col;	3455	end_col = selection.end.col;
…		…
3450	/*	3493	/*
3451	* Double click on button 3 when already selected	3494	* Double click on button 3 when already selected
3452	* EXT: button 3 double click	3495	* EXT: button 3 double click
3453	*/	3496	*/
3454	void	3497	void
3455	rxvt_term::selection_rotate (int x, int y)	3498	rxvt_term::selection_rotate (int x, int y) NOTHROW
3456	{	3499	{
3457	selection.clicks = selection.clicks % 3 + 1;	3500	selection.clicks = selection.clicks % 3 + 1;
3458	selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);	3501	selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3459	}	3502	}
3460		3503
…		…
3462	/*	3505	/*
3463	* Respond to a request for our current selection	3506	* Respond to a request for our current selection
3464	* EXT: SelectionRequest	3507	* EXT: SelectionRequest
3465	*/	3508	*/
3466	void	3509	void
3467	rxvt_term::selection_send (const XSelectionRequestEvent &rq)	3510	rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3468	{	3511	{
3469	XSelectionEvent ev;	3512	XSelectionEvent ev;
3470	dDisp;	3513	dDisp;
3471		3514
3472	ev.type = SelectionNotify;	3515	ev.type = SelectionNotify;
…		…
3600		3643
3601	/*	3644	/*
3602	* return col/row values corresponding to x/y pixel values	3645	* return col/row values corresponding to x/y pixel values
3603	*/	3646	*/
3604	void	3647	void
3605	rxvt_term::pixel_position (int *x, int *y)	3648	rxvt_term::pixel_position (int *x, int *y) NOTHROW
3606	{	3649	{
3607	*x = Pixel2Col (*x);	3650	*x = Pixel2Col (*x);
3608	/* max_it (*x, 0); min_it (*x, (int)ncol - 1); */	3651	/* max_it (*x, 0); min_it (*x, (int)ncol - 1); */
3609	*y = Pixel2Row (*y);	3652	*y = Pixel2Row (*y);
3610	/* max_it (*y, 0); min_it (*y, (int)nrow - 1); */	3653	/* max_it (*y, 0); min_it (*y, (int)nrow - 1); */
3611	}	3654	}
3612		3655
3613	/* ------------------------------------------------------------------------- */	3656	/* ------------------------------------------------------------------------- */
3614	#ifdef USE_XIM	3657	#ifdef USE_XIM
3615	void	3658	void
3616	rxvt_term::im_set_position (XPoint &pos)	3659	rxvt_term::im_set_position (XPoint &pos) NOTHROW
3617	{	3660	{
3618	XWindowAttributes xwa;	3661	XWindowAttributes xwa;
3619		3662
3620	XGetWindowAttributes (display->display, vt, &xwa);	3663	XGetWindowAttributes (display->display, vt, &xwa);
3621		3664
…		…
3624	}	3667	}
3625	#endif	3668	#endif
3626		3669
3627	#if ENABLE_OVERLAY	3670	#if ENABLE_OVERLAY
3628	void	3671	void
3629	rxvt_term::scr_overlay_new (int x, int y, int w, int h)	3672	rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW
3630	{	3673	{
3631	if (nrow < 1 || ncol < 1)	3674	if (nrow < 1 || ncol < 1)
3632	return;	3675	return;
3633		3676
3634	want_refresh = 1;	3677	want_refresh = 1;
…		…
3679	*rp = r;	3722	*rp = r;
3680	}	3723	}
3681	}	3724	}
3682		3725
3683	void	3726	void
3684	rxvt_term::scr_overlay_off ()	3727	rxvt_term::scr_overlay_off () NOTHROW
3685	{	3728	{
3686	if (!ov_text)	3729	if (!ov_text)
3687	return;	3730	return;
3688		3731
3689	want_refresh = 1;	3732	want_refresh = 1;
…		…
3697	delete [] ov_text; ov_text = 0;	3740	delete [] ov_text; ov_text = 0;
3698	delete [] ov_rend; ov_rend = 0;	3741	delete [] ov_rend; ov_rend = 0;
3699	}	3742	}
3700		3743
3701	void	3744	void
3702	rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend)	3745	rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3703	{	3746	{
3704	if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2)	3747	if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2)
3705	return;	3748	return;
3706		3749
3707	x++, y++;	3750	x++, y++;
…		…
3709	ov_text[y][x] = text;	3752	ov_text[y][x] = text;
3710	ov_rend[y][x] = rend;	3753	ov_rend[y][x] = rend;
3711	}	3754	}
3712		3755
3713	void	3756	void
3714	rxvt_term::scr_overlay_set (int x, int y, const char *s)	3757	rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3715	{	3758	{
3716	while (*s)	3759	while (*s)
3717	scr_overlay_set (x++, y, *s++);	3760	scr_overlay_set (x++, y, *s++);
3718	}	3761	}
3719		3762
3720	void	3763	void
3721	rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s)	3764	rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW
3722	{	3765	{
3723	while (*s)	3766	while (*s)
3724	{	3767	{
3725	text_t t = *s++;	3768	text_t t = *s++;
3726	int width = wcwidth (t);	3769	int width = wcwidth (t);
…		…
3732	}	3775	}
3733	}	3776	}
3734	}	3777	}
3735		3778
3736	void	3779	void
3737	rxvt_term::scr_swap_overlay ()	3780	rxvt_term::scr_swap_overlay () NOTHROW
3738	{	3781	{
3739	if (!ov_text)	3782	if (!ov_text)
3740	return;	3783	return;
3741		3784
3742	// swap screen mem with overlay	3785	// swap screen mem with overlay
3743	for (int y = ov_h; y--; )	3786	for (int y = ov_h; y--; )
3744	{	3787	{
3745	text_t *t1 = ov_text[y];	3788	text_t *t1 = ov_text[y];
3746	rend_t *r1 = ov_rend[y];	3789	rend_t *r1 = ov_rend[y];
3747		3790
3748	text_t *t2 = ROW(y + ov_y - view_start).t + ov_x;	3791	text_t *t2 = ROW(y + ov_y + view_start).t + ov_x;
3749	rend_t *r2 = ROW(y + ov_y - view_start).r + ov_x;	3792	rend_t *r2 = ROW(y + ov_y + view_start).r + ov_x;
3750		3793
3751	for (int x = ov_w; x--; )	3794	for (int x = ov_w; x--; )
3752	{	3795	{
3753	text_t t = *t1; *t1++ = *t2; *t2++ = t;	3796	text_t t = *t1; *t1++ = *t2; *t2++ = t;
3754	rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));	3797	rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));

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