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

Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.215 by root, Sun Jan 8 06:35:23 2006 UTC vs.
Revision 1.244 by root, Fri Jan 20 10:27:08 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;
…		…
179	if (nrow + saveLines < 2)	179	if (nrow + saveLines < 2)
180	{	180	{
181	//TODO//FIXME	181	//TODO//FIXME
182	saveLines++;	182	saveLines++;
183	prev_nrow--;	183	prev_nrow--;
184	nsaved++;	184	top_row--;
185	}	185	}
186		186
187	want_refresh = 1;	187	want_refresh = 1;
188		188
189	int prev_total_rows = prev_nrow + saveLines;	189	int prev_total_rows = prev_nrow + saveLines;
…		…
194		194
195	if (!row_buf)	195	if (!row_buf)
196	{	196	{
197	/*	197	/*
198	* 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
199	* Note: this is still needed so that all the scrollback lines are NULL
200	*/	199	*/
201	nsaved = 0; /* no saved lines */	200	top_row = 0; /* no saved lines */
202	term_start = 0;	201	term_start = 0;
203		202
204	talloc = new rxvt_salloc (ncol * sizeof (text_t));	203	talloc = new rxvt_salloc (ncol * sizeof (text_t));
205	ralloc = new rxvt_salloc (ncol * sizeof (rend_t));	204	ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
206		205
207	row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));	206	row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
208	temp_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
209	drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));	207	drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
210	swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));	208	swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
211		209
212	for (int row = nrow; row--; )	210	for (int row = nrow; row--; )
213	{	211	{
214	scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);	212	scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
215	scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);	213	scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
…		…
236	selection.text = NULL;	234	selection.text = NULL;
237	selection.len = 0;	235	selection.len = 0;
238	selection.op = SELECTION_CLEAR;	236	selection.op = SELECTION_CLEAR;
239	selection.screen = PRIMARY;	237	selection.screen = PRIMARY;
240	selection.clicks = 0;	238	selection.clicks = 0;
241	CLEAR_ALL_SELECTION ();
242	rvideo = 0;	239	rvideo = 0;
243	}	240	}
244	else	241	else
245	{	242	{
246	/*	243	/*
…		…
260	}	257	}
261	}	258	}
262	#endif	259	#endif
263		260
264	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));
265	temp_buf = (line_t *)rxvt_realloc (temp_buf , nrow * sizeof (line_t));
266	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));
267		263
268	for (int row = min (nrow, prev_nrow); row--; )	264	for (int row = min (nrow, prev_nrow); row--; )
269	{	265	{
270	lresize (drawn_buf[row]);	266	lresize (drawn_buf[row]);
…		…
275	{	271	{
276	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);
277	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);
278	}	274	}
279		275
		276	line_t *old_buf = row_buf;
280	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));
281		278
282	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
283	int pend = MOD (term_start - nsaved , prev_total_rows);	280	int pend = MOD (term_start + top_row , prev_total_rows);
284	int q = total_rows; // rewrapped row	281	int q = total_rows; // rewrapped row
285		282
286	if (nsaved)	283	if (top_row)
287	{	284	{
288	// 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
289	// to come up with a lean and mean algorithm.	286	// to come up with a lean and mean algorithm.
290		287
291	row_col_t ocur = screen.cur;	288	row_col_t ocur = screen.cur;
…		…
327	qline->l = ncol;	324	qline->l = ncol;
328	qline->is_longer (1);	325	qline->is_longer (1);
329		326
330	int qcol = 0;	327	int qcol = 0;
331		328
		329	// see below for cursor adjustment rationale
		330	if (p == ocur.row)
		331	screen.cur.row = q - (total_rows - nrow);
		332
332	// fill a single destination line	333	// fill a single destination line
333	while (lofs < llen && qcol < ncol)	334	while (lofs < llen && qcol < ncol)
334	{	335	{
335	int prow = lofs / prev_ncol;	336	int prow = lofs / prev_ncol;
336	int pcol = lofs % prev_ncol;	337	int pcol = lofs % prev_ncol;
…		…
346		347
347	line_t &pline = old_buf [prow];	348	line_t &pline = old_buf [prow];
348		349
349	int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);	350	int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
350		351
		352	#if DEBUG_STRICT
351	assert (len);	353	assert (len);
352	assert (pline.t);	354	assert (pline.t);
		355	#endif
353		356
354	memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));	357	memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
355	memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));	358	memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
356		359
357	lofs += len;	360	lofs += len;
…		…
364	scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);	367	scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
365	}	368	}
366	while (p != pend && q > 0);	369	while (p != pend && q > 0);
367		370
368	term_start = total_rows - nrow;	371	term_start = total_rows - nrow;
369	nsaved = term_start - q;	372	top_row = q - term_start;
370		373
371	// make sure all terminal lines exist	374	// make sure all terminal lines exist
372	while (nsaved < 0)	375	while (top_row > 0)
373	scr_blank_screen_mem (ROW (-++nsaved), DEFAULT_RSTYLE);	376	scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
374	}	377	}
375	else	378	else
376	{	379	{
377	// if no scrollback exists (yet), wing, instead of wrap	380	// if no scrollback exists (yet), wing, instead of wrap
378		381
…		…
391	}	394	}
392		395
393	term_start = 0;	396	term_start = 0;
394	}	397	}
395		398
396	#ifdef DEBUG_STRICT //TODO: remove
397	for (int i = -nsaved; i < nrow; i++)
398	assert (ROW (i).t);
399	#endif
400
401	free (old_buf);	399	free (old_buf);
402	delete old_ta;	400	delete old_ta;
403	delete old_ra;	401	delete old_ra;
404		402
405	clamp_it (screen.cur.row, 0, nrow - 1);	403	clamp_it (screen.cur.row, 0, nrow - 1);
…		…
407		405
408	if (tabs)	406	if (tabs)
409	free (tabs);	407	free (tabs);
410	}	408	}
411		409
		410	CLEAR_ALL_SELECTION ();
		411
412	prev_nrow = nrow;	412	prev_nrow = nrow;
413	prev_ncol = ncol;	413	prev_ncol = ncol;
414		414
415	tabs = (char *)rxvt_malloc (ncol * sizeof (char));	415	tabs = (char *)rxvt_malloc (ncol * sizeof (char));
416		416
…		…
425	/* ------------------------------------------------------------------------- */	425	/* ------------------------------------------------------------------------- */
426	/*	426	/*
427	* Free everything. That way malloc debugging can find leakage.	427	* Free everything. That way malloc debugging can find leakage.
428	*/	428	*/
429	void	429	void
430	rxvt_term::scr_release ()	430	rxvt_term::scr_release () NOTHROW
431	{	431	{
432	delete talloc; talloc = 0;	432	delete talloc; talloc = 0;
433	delete ralloc; ralloc = 0;	433	delete ralloc; ralloc = 0;
434		434
435	free (row_buf);	435	free (row_buf);
436	free (swap_buf);	436	free (swap_buf);
437	free (drawn_buf);	437	free (drawn_buf);
438	free (temp_buf);
439	free (tabs);	438	free (tabs);
440		439
441	row_buf = 0; // signal that we freed all the arrays	440	row_buf = 0; // signal that we freed all the arrays
442	}	441	}
443		442
444	/* ------------------------------------------------------------------------- */	443	/* ------------------------------------------------------------------------- */
445	/*	444	/*
446	* Hard reset	445	* Hard reset
447	*/	446	*/
448	void	447	void
449	rxvt_term::scr_poweron ()	448	rxvt_term::scr_poweron () NOTHROW
450	{	449	{
451	scr_release ();	450	scr_release ();
452	prev_nrow = prev_ncol = 0;	451	prev_nrow = prev_ncol = 0;
453	scr_reset ();	452	scr_reset ();
454		453
455	scr_clear (true);	454	scr_clear (true);
456	scr_refresh (SLOW_REFRESH);	455	scr_refresh ();
457	}	456	}
458		457
459	/* ------------------------------------------------------------------------- *	458	/* ------------------------------------------------------------------------- *
460	* PROCESS SCREEN COMMANDS *	459	* PROCESS SCREEN COMMANDS *
461	* ------------------------------------------------------------------------- */	460	* ------------------------------------------------------------------------- */
…		…
463	* Save and Restore cursor	462	* Save and Restore cursor
464	* XTERM_SEQ: Save cursor : ESC 7	463	* XTERM_SEQ: Save cursor : ESC 7
465	* XTERM_SEQ: Restore cursor: ESC 8	464	* XTERM_SEQ: Restore cursor: ESC 8
466	*/	465	*/
467	void	466	void
468	rxvt_term::scr_cursor (int mode)	467	rxvt_term::scr_cursor (cursor_mode mode) NOTHROW
469	{	468	{
470	screen_t *s;	469	screen_t *s;
471		470
472	#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)	471	#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
473	if (current_screen == SECONDARY)	472	if (current_screen == SECONDARY)
…		…
512	* Swap between primary and secondary screens	511	* Swap between primary and secondary screens
513	* XTERM_SEQ: Primary screen : ESC [ ? 4 7 h	512	* XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
514	* XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l	513	* XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
515	*/	514	*/
516	int	515	int
517	rxvt_term::scr_change_screen (int scrn)	516	rxvt_term::scr_change_screen (int scrn) NOTHROW
518	{	517	{
519	want_refresh = 1;	518	want_refresh = 1;
520	view_start = 0;	519	view_start = 0;
521		520
522	if (current_screen == scrn)	521	if (current_screen == scrn)
…		…
553	return scrn;	552	return scrn;
554	}	553	}
555		554
556	// clear WrapNext indicator, solidifying position on next line	555	// clear WrapNext indicator, solidifying position on next line
557	void	556	void
558	rxvt_term::scr_do_wrap ()	557	rxvt_term::scr_do_wrap () NOTHROW
559	{	558	{
560	if (!(screen.flags & Screen_WrapNext))	559	if (!(screen.flags & Screen_WrapNext))
561	return;	560	return;
562		561
563	screen.flags &= ~Screen_WrapNext;	562	screen.flags &= ~Screen_WrapNext;
…		…
573	/* ------------------------------------------------------------------------- */	572	/* ------------------------------------------------------------------------- */
574	/*	573	/*
575	* Change the colour for following text	574	* Change the colour for following text
576	*/	575	*/
577	void	576	void
578	rxvt_term::scr_color (unsigned int color, int fgbg)	577	rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW
579	{	578	{
580	if (color > maxTermCOLOR)	579	if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
581	color = fgbg;	580	color = fgbg;
582		581
583	if (fgbg == Color_fg)	582	if (fgbg == Color_fg)
584	rstyle = SET_FGCOLOR (rstyle, color);	583	rstyle = SET_FGCOLOR (rstyle, color);
585	else	584	else
…		…
589	/* ------------------------------------------------------------------------- */	588	/* ------------------------------------------------------------------------- */
590	/*	589	/*
591	* Change the rendition style for following text	590	* Change the rendition style for following text
592	*/	591	*/
593	void	592	void
594	rxvt_term::scr_rendition (int set, int style)	593	rxvt_term::scr_rendition (int set, int style) NOTHROW
595	{	594	{
596	if (set)	595	if (set)
597	rstyle |= style;	596	rstyle |= style;
598	else if (style == ~RS_None)	597	else if (style == ~RS_None)
599	rstyle = DEFAULT_RSTYLE;	598	rstyle = DEFAULT_RSTYLE;
…		…
606	* Scroll text between <row1> and <row2> inclusive, by <count> lines	605	* Scroll text between <row1> and <row2> inclusive, by <count> lines
607	* count positive ==> scroll up	606	* count positive ==> scroll up
608	* count negative ==> scroll down	607	* count negative ==> scroll down
609	*/	608	*/
610	int	609	int
611	rxvt_term::scr_scroll_text (int row1, int row2, int count)	610	rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
612	{	611	{
613	if (count == 0 || (row1 > row2))	612	if (count == 0 || (row1 > row2))
614	return 0;	613	return 0;
615		614
616	want_refresh = 1;	615	want_refresh = 1;
617	num_scr += count;	616	num_scr += count;
618		617
619	if (count > 0	618	if (count > 0
620	&& row1 == 0	619	&& row1 == 0
621	&& row2 == nrow - 1
622	&& (current_screen == PRIMARY || OPTION (Opt_secondaryScroll)))	620	&& (current_screen == PRIMARY || OPTION (Opt_secondaryScroll)))
623	{	621	{
624	nsaved = min (nsaved + count, saveLines);	622	top_row = max (top_row - count, -saveLines);
625		623
626	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	}
627		658
628	term_start = (term_start + count) % total_rows;	659	// move and/or clear selection, if any
629
630	if (selection.op && current_screen == selection.screen)	660	if (selection.op && current_screen == selection.screen)
631	{	661	{
632	selection.beg.row -= count;	662	selection.beg.row -= count;
633	selection.end.row -= count;	663	selection.end.row -= count;
634	selection.mark.row -= count;	664	selection.mark.row -= count;
635		665
636	if (selection.beg.row < -nsaved	666	if (selection.beg.row < top_row
637	|| selection.end.row < -nsaved	667	|| selection.end.row < top_row
638	|| selection.mark.row < -nsaved)	668	|| selection.mark.row < top_row)
639	{	669	{
640	CLEAR_ALL_SELECTION ();	670	CLEAR_ALL_SELECTION ();
641	selection.op = SELECTION_CLEAR;	671	selection.op = SELECTION_CLEAR;
642	}	672	}
643	}	673	}
644		674
645	for (int i = count; i--; )	675	// finally move the view window, if desired
646	scr_blank_screen_mem (ROW(row2 - i), rstyle);
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 wchar_t *str, int len, int minlines)	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;
…		…
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
…		…
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;
…		…
1310	}	1343	}
1311	}	1344	}
1312		1345
1313	#if ENABLE_FRILLS	1346	#if ENABLE_FRILLS
1314	void	1347	void
1315	rxvt_term::scr_erase_savelines ()	1348	rxvt_term::scr_erase_savelines () NOTHROW
1316	{	1349	{
1317	want_refresh = 1;	1350	want_refresh = 1;
1318	ZERO_SCROLLBACK ();	1351	ZERO_SCROLLBACK ();
1319		1352
1320	nsaved = 0;	1353	top_row = 0;
1321	}	1354	}
1322	#endif	1355	#endif
1323		1356
1324	/* ------------------------------------------------------------------------- */	1357	/* ------------------------------------------------------------------------- */
1325	/*	1358	/*
1326	* Fill the screen with `E's	1359	* Fill the screen with `E's
1327	* XTERM_SEQ: Screen Alignment Test: ESC # 8	1360	* XTERM_SEQ: Screen Alignment Test: ESC # 8
1328	*/	1361	*/
1329	void	1362	void
1330	rxvt_term::scr_E ()	1363	rxvt_term::scr_E () NOTHROW
1331	{	1364	{
1332	rend_t fs;	1365	rend_t fs;
1333		1366
1334	want_refresh = 1;	1367	want_refresh = 1;
1335	ZERO_SCROLLBACK ();	1368	ZERO_SCROLLBACK ();
…		…
1356	/* ------------------------------------------------------------------------- */	1389	/* ------------------------------------------------------------------------- */
1357	/*	1390	/*
1358	* Insert/Delete <count> lines	1391	* Insert/Delete <count> lines
1359	*/	1392	*/
1360	void	1393	void
1361	rxvt_term::scr_insdel_lines (int count, int insdel)	1394	rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW
1362	{	1395	{
1363	int end;	1396	int end;
1364		1397
1365	ZERO_SCROLLBACK ();	1398	ZERO_SCROLLBACK ();
1366		1399
…		…
1386	/* ------------------------------------------------------------------------- */	1419	/* ------------------------------------------------------------------------- */
1387	/*	1420	/*
1388	* Insert/Delete <count> characters from the current position	1421	* Insert/Delete <count> characters from the current position
1389	*/	1422	*/
1390	void	1423	void
1391	rxvt_term::scr_insdel_chars (int count, int insdel)	1424	rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1392	{	1425	{
1393	int col, row;	1426	int col, row;
1394	rend_t tr;	1427	rend_t tr;
1395		1428
1396	want_refresh = 1;	1429	want_refresh = 1;
…		…
1484	/*	1517	/*
1485	* Set the scrolling region	1518	* Set the scrolling region
1486	* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r	1519	* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1487	*/	1520	*/
1488	void	1521	void
1489	rxvt_term::scr_scroll_region (int top, int bot)	1522	rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1490	{	1523	{
1491	max_it (top, 0);	1524	max_it (top, 0);
1492	min_it (bot, nrow - 1);	1525	min_it (bot, nrow - 1);
1493		1526
1494	if (top > bot)	1527	if (top > bot)
…		…
1504	* Make the cursor visible/invisible	1537	* Make the cursor visible/invisible
1505	* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h	1538	* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1506	* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l	1539	* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1507	*/	1540	*/
1508	void	1541	void
1509	rxvt_term::scr_cursor_visible (int mode)	1542	rxvt_term::scr_cursor_visible (int mode) NOTHROW
1510	{	1543	{
1511	want_refresh = 1;	1544	want_refresh = 1;
1512		1545
1513	if (mode)	1546	if (mode)
1514	screen.flags |= Screen_VisibleCursor;	1547	screen.flags |= Screen_VisibleCursor;
…		…
1521	* Set/unset automatic wrapping	1554	* Set/unset automatic wrapping
1522	* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h	1555	* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1523	* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l	1556	* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1524	*/	1557	*/
1525	void	1558	void
1526	rxvt_term::scr_autowrap (int mode)	1559	rxvt_term::scr_autowrap (int mode) NOTHROW
1527	{	1560	{
1528	if (mode)	1561	if (mode)
1529	screen.flags |= Screen_Autowrap;	1562	screen.flags |= Screen_Autowrap;
1530	else	1563	else
1531	screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);	1564	screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
…		…
1540	* and the cursor cannot be moved outside.	1573	* and the cursor cannot be moved outside.
1541	* XTERM_SEQ: Set Absolute: ESC [ ? 6 h	1574	* XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1542	* XTERM_SEQ: Set Relative: ESC [ ? 6 l	1575	* XTERM_SEQ: Set Relative: ESC [ ? 6 l
1543	*/	1576	*/
1544	void	1577	void
1545	rxvt_term::scr_relative_origin (int mode)	1578	rxvt_term::scr_relative_origin (int mode) NOTHROW
1546	{	1579	{
1547	if (mode)	1580	if (mode)
1548	screen.flags |= Screen_Relative;	1581	screen.flags |= Screen_Relative;
1549	else	1582	else
1550	screen.flags &= ~Screen_Relative;	1583	screen.flags &= ~Screen_Relative;
…		…
1557	* Set insert/replace mode	1590	* Set insert/replace mode
1558	* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h	1591	* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1559	* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l	1592	* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1560	*/	1593	*/
1561	void	1594	void
1562	rxvt_term::scr_insert_mode (int mode)	1595	rxvt_term::scr_insert_mode (int mode) NOTHROW
1563	{	1596	{
1564	if (mode)	1597	if (mode)
1565	screen.flags |= Screen_Insert;	1598	screen.flags |= Screen_Insert;
1566	else	1599	else
1567	screen.flags &= ~Screen_Insert;	1600	screen.flags &= ~Screen_Insert;
…		…
1573	* XTERM_SEQ: Set tab at current column : ESC H	1606	* XTERM_SEQ: Set tab at current column : ESC H
1574	* XTERM_SEQ: Clear tab at current column: ESC [ 0 g	1607	* XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1575	* XTERM_SEQ: Clear all tabs : ESC [ 3 g	1608	* XTERM_SEQ: Clear all tabs : ESC [ 3 g
1576	*/	1609	*/
1577	void	1610	void
1578	rxvt_term::scr_set_tab (int mode)	1611	rxvt_term::scr_set_tab (int mode) NOTHROW
1579	{	1612	{
1580	if (mode < 0)	1613	if (mode < 0)
1581	memset (tabs, 0, ncol * sizeof (char));	1614	memset (tabs, 0, ncol * sizeof (char));
1582	else if (screen.cur.col < ncol)	1615	else if (screen.cur.col < ncol)
1583	tabs [screen.cur.col] = !!mode;	1616	tabs [screen.cur.col] = !!mode;
…		…
1588	* Set reverse/normal video	1621	* Set reverse/normal video
1589	* XTERM_SEQ: Reverse video: ESC [ ? 5 h	1622	* XTERM_SEQ: Reverse video: ESC [ ? 5 h
1590	* XTERM_SEQ: Normal video : ESC [ ? 5 l	1623	* XTERM_SEQ: Normal video : ESC [ ? 5 l
1591	*/	1624	*/
1592	void	1625	void
1593	rxvt_term::scr_rvideo_mode (int mode)	1626	rxvt_term::scr_rvideo_mode (int mode) NOTHROW
1594	{	1627	{
1595	XGCValues gcvalue;	1628	XGCValues gcvalue;
1596		1629
1597	if (rvideo != mode)	1630	if (rvideo != mode)
1598	{	1631	{
…		…
1620	/*	1653	/*
1621	* Report current cursor position	1654	* Report current cursor position
1622	* XTERM_SEQ: Report position: ESC [ 6 n	1655	* XTERM_SEQ: Report position: ESC [ 6 n
1623	*/	1656	*/
1624	void	1657	void
1625	rxvt_term::scr_report_position ()	1658	rxvt_term::scr_report_position () NOTHROW
1626	{	1659	{
1627	tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);	1660	tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1628	}	1661	}
1629		1662
1630	/* ------------------------------------------------------------------------- *	1663	/* ------------------------------------------------------------------------- *
…		…
1633		1666
1634	/*	1667	/*
1635	* Set font style	1668	* Set font style
1636	*/	1669	*/
1637	void	1670	void
1638	rxvt_term::set_font_style ()	1671	rxvt_term::set_font_style () NOTHROW
1639	{	1672	{
1640	#if 0	1673	#if 0
1641	switch (charsets [screen.charset])	1674	switch (charsets [screen.charset])
1642	{	1675	{
1643	case '0': /* DEC Special Character & Line Drawing Set */	1676	case '0': /* DEC Special Character & Line Drawing Set */
…		…
1665	* XTERM_SEQ: Invoke G1 character set: CTRL-N	1698	* XTERM_SEQ: Invoke G1 character set: CTRL-N
1666	* XTERM_SEQ: Invoke G2 character set: ESC N	1699	* XTERM_SEQ: Invoke G2 character set: ESC N
1667	* XTERM_SEQ: Invoke G3 character set: ESC O	1700	* XTERM_SEQ: Invoke G3 character set: ESC O
1668	*/	1701	*/
1669	void	1702	void
1670	rxvt_term::scr_charset_choose (int set)	1703	rxvt_term::scr_charset_choose (int set) NOTHROW
1671	{	1704	{
1672	screen.charset = set;	1705	screen.charset = set;
1673	set_font_style ();	1706	set_font_style ();
1674	}	1707	}
1675		1708
…		…
1681	* XTERM_SEQ: Set G2 character set: ESC * <C>	1714	* XTERM_SEQ: Set G2 character set: ESC * <C>
1682	* XTERM_SEQ: Set G3 character set: ESC + <C>	1715	* XTERM_SEQ: Set G3 character set: ESC + <C>
1683	* See set_font_style for possible values for <C>	1716	* See set_font_style for possible values for <C>
1684	*/	1717	*/
1685	void	1718	void
1686	rxvt_term::scr_charset_set (int set, unsigned int ch)	1719	rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW
1687	{	1720	{
1688	charsets[set] = (unsigned char)ch;	1721	charsets[set] = (unsigned char)ch;
1689	set_font_style ();	1722	set_font_style ();
1690	}	1723	}
1691		1724
…		…
1696		1729
1697	/*	1730	/*
1698	* refresh matching text.	1731	* refresh matching text.
1699	*/	1732	*/
1700	bool	1733	bool
1701	rxvt_term::scr_refresh_rend (rend_t mask, rend_t value)	1734	rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1702	{	1735	{
1703	bool found = false;	1736	bool found = false;
1704		1737
1705	for (int i = 0; i < nrow; i++)	1738	for (int i = 0; i < nrow; i++)
1706	{	1739	{
…		…
1726	PART_END,	1759	PART_END,
1727	RC_COUNT	1760	RC_COUNT
1728	};	1761	};
1729		1762
1730	void	1763	void
1731	rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh)	1764	rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1732	{	1765	{
1733	int i;	1766	int i;
1734	row_col_t rc[RC_COUNT];	1767	row_col_t rc[RC_COUNT];
1735		1768
1736	if (!drawn_buf) /* sanity check */	1769	if (!drawn_buf) /* sanity check */
…		…
1759	}	1792	}
1760		1793
1761	for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)	1794	for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1762	fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);	1795	fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1763		1796
		1797	num_scr_allow = 0;
		1798
1764	if (refresh)	1799	if (refresh)
1765	scr_refresh (SLOW_REFRESH);	1800	scr_refresh ();
1766	}	1801	}
1767		1802
1768	/* ------------------------------------------------------------------------- */	1803	/* ------------------------------------------------------------------------- */
1769	/*	1804	/*
1770	* Refresh the entire screen	1805	* Refresh the entire screen
1771	*/	1806	*/
1772	void	1807	void
1773	rxvt_term::scr_touch (bool refresh)	1808	rxvt_term::scr_touch (bool refresh) NOTHROW
1774	{	1809	{
1775	scr_expose (0, 0, width, height, refresh);	1810	scr_expose (0, 0, width, height, refresh);
1776	}	1811	}
1777		1812
1778	/* ------------------------------------------------------------------------- */	1813	/* ------------------------------------------------------------------------- */
1779	/*	1814	/*
1780	* Move the display so that the line represented by scrollbar value Y is at	1815	* Move the display so that the line represented by scrollbar value Y is at
1781	* the top of the screen	1816	* the top of the screen
1782	*/	1817	*/
1783	int	1818	void
1784	rxvt_term::scr_move_to (int y, int len)	1819	rxvt_term::scr_move_to (int y, int len) NOTHROW
1785	{	1820	{
1786	long p = 0;	1821	scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));
1787	unsigned int oldviewstart;
1788
1789	oldviewstart = view_start;
1790
1791	if (y < len)
1792	{
1793	p = (nrow + nsaved) * (len - y) / len;
1794	p -= (long) (nrow - 1);
1795	p = max (p, 0);
1796	}
1797
1798	view_start = (unsigned int)min (p, nsaved);
1799
1800	return scr_changeview (oldviewstart);
1801	}	1822	}
1802		1823
1803	/* ------------------------------------------------------------------------- */	1824	/* ------------------------------------------------------------------------- */
1804	/*	1825	/*
1805	* Page the screen up/down nlines	1826	* Page the screen up/down nlines
1806	* direction should be UP or DN	1827	* direction should be UP or DN
1807	*/	1828	*/
1808	int	1829	bool
1809	rxvt_term::scr_page (enum page_dirn direction, int nlines)	1830	rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW
1810	{	1831	{
1811	int n;	1832	int new_view_start =
1812	unsigned int oldviewstart;
1813
1814	oldviewstart = view_start;
1815
1816	if (direction == UP)
1817	{
1818	n = view_start + nlines;
1819	view_start = min (n, nsaved);
1820	}
1821	else
1822	{
1823	n = view_start - nlines;	1833	direction == UP ? view_start - nlines
1824	view_start = max (n, 0);	1834	: view_start + nlines;
1825	}
1826		1835
1827	return scr_changeview (oldviewstart);	1836	return scr_changeview (new_view_start);
1828	}	1837	}
1829		1838
1830	int	1839	bool
1831	rxvt_term::scr_changeview (unsigned int oldviewstart)	1840	rxvt_term::scr_changeview (int new_view_start) NOTHROW
1832	{	1841	{
		1842	clamp_it (new_view_start, top_row, 0);
		1843
1833	if (view_start != oldviewstart)	1844	if (new_view_start == view_start)
1834	{	1845	return false;
		1846
		1847	num_scr += new_view_start - view_start;
		1848	view_start = new_view_start;
		1849	want_refresh = 1;
		1850
1835	HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));	1851	HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1836		1852
1837	want_refresh = 1;	1853	return true;
1838	num_scr -= (view_start - oldviewstart);
1839	}
1840
1841	return (int)view_start - (int)oldviewstart;
1842	}	1854	}
1843		1855
1844	/* ------------------------------------------------------------------------- */	1856	/* ------------------------------------------------------------------------- */
1845	void	1857	void
1846	rxvt_term::scr_bell ()	1858	rxvt_term::scr_bell () NOTHROW
1847	{	1859	{
1848	#ifndef NO_BELL	1860	#ifndef NO_BELL
1849		1861
1850	# ifndef NO_MAPALERT	1862	# ifndef NO_MAPALERT
1851	# ifdef MAPALERT_OPTION	1863	# ifdef MAPALERT_OPTION
…		…
1855	# endif	1867	# endif
1856		1868
1857	if (OPTION (Opt_visualBell))	1869	if (OPTION (Opt_visualBell))
1858	{	1870	{
1859	scr_rvideo_mode (!rvideo); /* refresh also done */	1871	scr_rvideo_mode (!rvideo); /* refresh also done */
		1872	display->flush ();
1860	rxvt_usleep (VISUAL_BELL_DURATION);	1873	rxvt_usleep (VISUAL_BELL_DURATION);
1861	scr_rvideo_mode (!rvideo); /* refresh also done */	1874	scr_rvideo_mode (!rvideo); /* refresh also done */
1862	}	1875	}
1863	else	1876	else
1864	XBell (display->display, 0);	1877	XBell (display->display, 0);
…		…
1867	}	1880	}
1868		1881
1869	/* ------------------------------------------------------------------------- */	1882	/* ------------------------------------------------------------------------- */
1870	/* ARGSUSED */	1883	/* ARGSUSED */
1871	void	1884	void
1872	rxvt_term::scr_printscreen (int fullhist)	1885	rxvt_term::scr_printscreen (int fullhist) NOTHROW
1873	{	1886	{
1874	#ifdef PRINTPIPE	1887	#ifdef PRINTPIPE
1875	int nrows, row_start;	1888	int nrows, row_start;
1876	FILE *fd;	1889	FILE *fd;
1877		1890
1878	if ((fd = popen_printer ()) == NULL)	1891	if ((fd = popen_printer ()) == NULL)
1879	return;	1892	return;
1880		1893
1881	if (fullhist)	1894	if (fullhist)
1882	{	1895	{
1883	nrows = nrow + nsaved;	1896	nrows = nrow - top_row;
1884	row_start = -nsaved;	1897	row_start = top_row;
1885	}	1898	}
1886	else	1899	else
1887	{	1900	{
1888	nrows = nrow;	1901	nrows = nrow;
1889	row_start = -view_start;	1902	row_start = view_start;
1890	}	1903	}
1891		1904
1892	wctomb (0, 0);	1905	wctomb (0, 0);
1893		1906
1894	for (int r1 = 0; r1 < nrows; r1++)	1907	for (int r1 = 0; r1 < nrows; r1++)
…		…
1926	* Refresh the screen	1939	* Refresh the screen
1927	* drawn_text/drawn_rend contain the screen information before the update.	1940	* drawn_text/drawn_rend contain the screen information before the update.
1928	* screen.text/screen.rend contain what the screen will change to.	1941	* screen.text/screen.rend contain what the screen will change to.
1929	*/	1942	*/
1930	void	1943	void
1931	rxvt_term::scr_refresh (unsigned char refresh_type)	1944	rxvt_term::scr_refresh () NOTHROW
1932	{	1945	{
1933	unsigned char must_clear, /* use draw_string not draw_image_string */	1946	unsigned char must_clear, /* use draw_string not draw_image_string */
1934	showcursor; /* show the cursor */	1947	showcursor; /* show the cursor */
1935	int16_t col, row, /* column/row we're processing */	1948	int16_t col, row, /* column/row we're processing */
1936	ocrow; /* old cursor row */	1949	ocrow; /* old cursor row */
…		…
2022		2035
2023	/* make sure no outline cursor is left around */	2036	/* make sure no outline cursor is left around */
2024	setoldcursor = 0;	2037	setoldcursor = 0;
2025	if (ocrow != -1)	2038	if (ocrow != -1)
2026	{	2039	{
2027	if (screen.cur.row + view_start != ocrow	2040	if (screen.cur.row - view_start != ocrow
2028	|| screen.cur.col != oldcursor.col)	2041	|| screen.cur.col != oldcursor.col)
2029	{	2042	{
2030	if (ocrow < nrow	2043	if (ocrow < nrow
2031	&& oldcursor.col < ncol)	2044	&& oldcursor.col < ncol)
2032	drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);	2045	drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
…		…
2040	else if (!focus)	2053	else if (!focus)
2041	setoldcursor = 1;	2054	setoldcursor = 1;
2042		2055
2043	if (setoldcursor)	2056	if (setoldcursor)
2044	{	2057	{
2045	if (screen.cur.row + view_start >= nrow)	2058	if (screen.cur.row - view_start >= nrow)
2046	oldcursor.row = -1;	2059	oldcursor.row = -1;
2047	else	2060	else
2048	{	2061	{
2049	oldcursor.row = screen.cur.row + view_start;	2062	oldcursor.row = screen.cur.row - view_start;
2050	oldcursor.col = screen.cur.col;	2063	oldcursor.col = screen.cur.col;
2051	}	2064	}
2052	}	2065	}
2053	}	2066	}
2054		2067
…		…
2060	#ifndef NO_SLOW_LINK_SUPPORT	2073	#ifndef NO_SLOW_LINK_SUPPORT
2061	/*	2074	/*
2062	* D: CopyArea pass - very useful for slower links	2075	* D: CopyArea pass - very useful for slower links
2063	* This has been deliberately kept simple.	2076	* This has been deliberately kept simple.
2064	*/	2077	*/
2065	i = num_scr;
2066	if (!display->is_local	2078	if (!display->is_local
2067	&& refresh_type == FAST_REFRESH && num_scr_allow && num_scr	2079	&& refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2068	&& abs (num_scr) < nrow && !must_clear)	2080	&& abs (num_scr) < nrow && !must_clear)
2069	{	2081	{
2070	int16_t nits;	2082	int16_t nits;
2071	int j;	2083	int j;
2072	int len, wlen;	2084	int len, wlen;
		2085	dLocal (int, num_scr);
2073		2086
2074	j = nrow;	2087	j = nrow;
2075	wlen = len = -1;	2088	wlen = len = -1;
2076	row = i > 0 ? 0 : j - 1;	2089	row = i > 0 ? 0 : j - 1;
2077	for (; j-- >= 0; row += (i > 0 ? 1 : -1))	2090	for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2078	{	2091	{
2079	if (row + i >= 0 && row + i < nrow && row + i != ocrow)	2092	if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2080	{	2093	{
2081	line_t s = ROW(row - view_start);	2094	line_t s = ROW(view_start + row);
2082	line_t d = drawn_buf[row];	2095	line_t d = drawn_buf[row];
2083	line_t d2 = drawn_buf[row + i];	2096	line_t d2 = drawn_buf[row + i];
2084		2097
2085	for (nits = 0, col = ncol; col--; )	2098	for (nits = 0, col = ncol; col--; )
2086	if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])	2099	if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
…		…
2124	/*	2137	/*
2125	* E: main pass across every character	2138	* E: main pass across every character
2126	*/	2139	*/
2127	for (row = 0; row < nrow; row++)	2140	for (row = 0; row < nrow; row++)
2128	{	2141	{
2129	text_t *stp = ROW(row - view_start).t;	2142	text_t *stp = ROW(view_start + row).t;
2130	rend_t *srp = ROW(row - view_start).r;	2143	rend_t *srp = ROW(view_start + row).r;
2131	text_t *dtp = drawn_buf[row].t;	2144	text_t *dtp = drawn_buf[row].t;
2132	rend_t *drp = drawn_buf[row].r;	2145	rend_t *drp = drawn_buf[row].r;
2133		2146
2134	/*	2147	/*
2135	* E2: OK, now the real pass	2148	* E2: OK, now the real pass
…		…
2372	/*	2385	/*
2373	* H: cleanup selection	2386	* H: cleanup selection
2374	*/	2387	*/
2375	scr_reverse_selection ();	2388	scr_reverse_selection ();
2376		2389
2377	if (refresh_type & SMOOTH_REFRESH)
2378	XFlush (display->display);
2379
2380	num_scr = 0;	2390	num_scr = 0;
2381	num_scr_allow = 1;	2391	num_scr_allow = 1;
2382	}	2392	}
2383		2393
2384	void	2394	void
2385	rxvt_term::scr_remap_chars (line_t &l)	2395	rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2386	{	2396	{
2387	if (!l.t)	2397	if (!l.t)
2388	return;	2398	return;
2389		2399
2390	l.touch (); // maybe a bit of an overkill, but it's not performance-relevant	2400	l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
…		…
2392	for (int i = ncol; i--; )	2402	for (int i = ncol; i--; )
2393	l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));	2403	l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2394	}	2404	}
2395		2405
2396	void	2406	void
2397	rxvt_term::scr_remap_chars ()	2407	rxvt_term::scr_remap_chars () NOTHROW
2398	{	2408	{
2399	for (int i = total_rows; i--; )	2409	for (int i = total_rows; i--; )
2400	scr_remap_chars (row_buf [i]);	2410	scr_remap_chars (row_buf [i]);
2401		2411
2402	for (int i = nrow; i--; )	2412	for (int i = nrow; i--; )
…		…
2405	scr_remap_chars (swap_buf [i]);	2415	scr_remap_chars (swap_buf [i]);
2406	}	2416	}
2407	}	2417	}
2408		2418
2409	void	2419	void
2410	rxvt_term::scr_recolour ()	2420	rxvt_term::scr_recolour () NOTHROW
2411	{	2421	{
2412	if (1	2422	if (1
2413	#if TRANSPARENT	2423	#if TRANSPARENT
2414	&& !am_transparent	2424	&& !am_transparent
2415	#endif	2425	#endif
…		…
2436	want_refresh = 1;	2446	want_refresh = 1;
2437	}	2447	}
2438		2448
2439	/* ------------------------------------------------------------------------- */	2449	/* ------------------------------------------------------------------------- */
2440	void	2450	void
2441	rxvt_term::scr_clear (bool really)	2451	rxvt_term::scr_clear (bool really) NOTHROW
2442	{	2452	{
2443	if (!mapped)	2453	if (!mapped)
2444	return;	2454	return;
2445		2455
2446	num_scr_allow = 0;	2456	num_scr_allow = 0;
…		…
2448		2458
2449	if (really)	2459	if (really)
2450	XClearWindow (display->display, vt);	2460	XClearWindow (display->display, vt);
2451	}	2461	}
2452		2462
2453	/* ------------------------------------------------------------------------- */
2454	void	2463	void
		2464	rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW
		2465	{
		2466	int view_end = view_start + nrow;
		2467	int row, col;
		2468
		2469	for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
		2470	{
		2471	text_t *stp = ROW(row).t;
		2472	rend_t *srp = ROW(row).r;
		2473
		2474	for (col = beg_col; col < end_col; col++)
		2475	srp[col] ^= rstyle1;
		2476
		2477	while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
		2478	srp[col] ^= rstyle2;
		2479
		2480	if (++col < end_col)
		2481	srp[col] ^= rstyle2;
		2482	}
		2483	}
		2484
		2485	void
		2486	rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW
		2487	{
		2488	int view_end = view_start + nrow;
		2489	int row, col;
		2490
		2491	if (beg_row >= view_start)
		2492	{
		2493	col = beg_col;
		2494	row = beg_row;
		2495	}
		2496	else
		2497	{
		2498	col = 0;
		2499	row = view_start;
		2500	}
		2501
		2502	for (; row < min (end_row, view_end); row++, col = 0)
		2503	for (rend_t *srp = ROW(row).r; col < ncol; col++)
		2504	srp[col] ^= rstyle;
		2505
		2506	if (row == end_row)
		2507	for (rend_t *srp = ROW(row).r; col < end_col; col++)
		2508	srp[col] ^= rstyle;
		2509	}
		2510
		2511	/* ------------------------------------------------------------------------- */
		2512	void
2455	rxvt_term::scr_reverse_selection ()	2513	rxvt_term::scr_reverse_selection () NOTHROW
2456	{	2514	{
2457	if (selection.op	2515	if (selection.op
2458	&& current_screen == selection.screen	2516	&& current_screen == selection.screen
2459	&& selection.end.row >= -view_start)	2517	&& selection.end.row >= view_start)
2460	{	2518	{
2461	int view_end = -view_start + nrow;
2462	int row, col;
2463
2464	#if ENABLE_FRILLS	2519	#if ENABLE_FRILLS
2465	if (selection.rect)	2520	if (selection.rect)
2466	{	2521	scr_xor_rect (selection.beg.row, selection.beg.col,
2467	for (row = max (selection.beg.row, -view_start); row <= min (selection.end.row, view_end); row++)	2522	selection.end.row, selection.end.col,
2468	{	2523	RS_RVid, RS_RVid | RS_Uline);
2469	text_t *stp = ROW(row).t;
2470	rend_t *srp = ROW(row).r;
2471
2472	for (col = selection.beg.col; col < selection.end.col; col++)
2473	srp[col] ^= RS_RVid;
2474
2475	while (col-- > selection.beg.col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2476	srp[col] ^= RS_RVid | RS_Uline;
2477
2478	if (++col < selection.end.col)
2479	srp[col] ^= RS_RVid | RS_Uline;
2480	}
2481	}
2482	else	2524	else
2483	#endif	2525	#endif
2484	{	2526	scr_xor_span (selection.beg.row, selection.beg.col,
2485	if (selection.beg.row >= -view_start)	2527	selection.end.row, selection.end.col,
2486	{	2528	RS_RVid);
2487	col = selection.beg.col;
2488	row = selection.beg.row;
2489	}
2490	else
2491	{
2492	col = 0;
2493	row = -view_start;
2494	}
2495
2496	for (; row < min (selection.end.row, view_end); row++, col = 0)
2497	for (rend_t *srp = ROW(row).r; col < ncol; col++)
2498	srp[col] ^= RS_RVid;
2499
2500	if (row == selection.end.row)
2501	for (rend_t *srp = ROW(row).r; col < selection.end.col; col++)
2502	srp[col] ^= RS_RVid;
2503	}
2504	}	2529	}
2505	}	2530	}
2506		2531
2507	/* ------------------------------------------------------------------------- */	2532	/* ------------------------------------------------------------------------- */
2508	/*	2533	/*
2509	* Dump the whole scrollback and screen to the passed filedescriptor. The	2534	* Dump the whole scrollback and screen to the passed filedescriptor. The
2510	* invoking routine must close the fd.	2535	* invoking routine must close the fd.
2511	*/	2536	*/
2512	#if 0	2537	#if 0
2513	void	2538	void
2514	rxvt_term::scr_dump (int fd)	2539	rxvt_term::scr_dump (int fd) NOTHROW
2515	{	2540	{
2516	int row, wrote;	2541	int row, wrote;
2517	unsigned int width, towrite;	2542	unsigned int width, towrite;
2518	char r1[] = "\n";	2543	char r1[] = "\n";
2519		2544
…		…
2538		2563
2539	/* ------------------------------------------------------------------------- *	2564	/* ------------------------------------------------------------------------- *
2540	* CHARACTER SELECTION *	2565	* CHARACTER SELECTION *
2541	* ------------------------------------------------------------------------- */	2566	* ------------------------------------------------------------------------- */
2542	void	2567	void
2543	rxvt_term::selection_check (int check_more)	2568	rxvt_term::selection_check (int check_more) NOTHROW
2544	{	2569	{
2545	row_col_t pos;	2570	row_col_t pos;
2546		2571
2547	if (!selection.op)	2572	if (!selection.op)
2548	return;	2573	return;
2549		2574
2550	pos.row = pos.col = 0;	2575	pos.row = pos.col = 0;
2551	if (!IN_RANGE_EXC (selection.beg.row, -nsaved, nrow)	2576	if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2552	|| !IN_RANGE_EXC (selection.mark.row, -nsaved, nrow)	2577	|| !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2553	|| !IN_RANGE_EXC (selection.end.row, -nsaved, nrow)	2578	|| !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2554	|| (check_more == 1	2579	|| (check_more == 1
2555	&& current_screen == selection.screen	2580	&& current_screen == selection.screen
2556	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)	2581	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2557	&& ROWCOL_IS_BEFORE (screen.cur, selection.end))	2582	&& ROWCOL_IS_BEFORE (screen.cur, selection.end))
2558	|| (check_more == 2	2583	|| (check_more == 2
…		…
2569	/* ------------------------------------------------------------------------- */	2594	/* ------------------------------------------------------------------------- */
2570	/*	2595	/*
2571	* Paste a selection direct to the command fd	2596	* Paste a selection direct to the command fd
2572	*/	2597	*/
2573	void	2598	void
2574	rxvt_term::paste (char *data, unsigned int len)	2599	rxvt_term::paste (char *data, unsigned int len) NOTHROW
2575	{	2600	{
2576	/* convert normal newline chars into common keyboard Return key sequence */	2601	/* convert normal newline chars into common keyboard Return key sequence */
2577	for (unsigned int i = 0; i < len; i++)	2602	for (unsigned int i = 0; i < len; i++)
2578	if (data[i] == C0_LF)	2603	if (data[i] == C0_LF)
2579	data[i] = C0_CR;	2604	data[i] = C0_CR;
…		…
2585	/*	2610	/*
2586	* Respond to a notification that a primary selection has been sent	2611	* Respond to a notification that a primary selection has been sent
2587	* EXT: SelectionNotify	2612	* EXT: SelectionNotify
2588	*/	2613	*/
2589	void	2614	void
2590	rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop)	2615	rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW
2591	{	2616	{
2592	if (prop == None) /* check for failed XConvertSelection */	2617	if (prop == None) /* check for failed XConvertSelection */
2593	{	2618	{
2594	if ((selection_type & Sel_CompoundText))	2619	if ((selection_type & Sel_CompoundText))
2595	{	2620	{
…		…
2747	if (selection_wait == Sel_normal)	2772	if (selection_wait == Sel_normal)
2748	selection_wait = Sel_none;	2773	selection_wait = Sel_none;
2749	}	2774	}
2750		2775
2751	void	2776	void
2752	rxvt_term::incr_cb (time_watcher &w)	2777	rxvt_term::incr_cb (time_watcher &w) NOTHROW
2753	{	2778	{
2754	selection_wait = Sel_none;	2779	selection_wait = Sel_none;
2755		2780
2756	incr_buf_size = 0;	2781	incr_buf_size = 0;
2757	free (incr_buf);	2782	free (incr_buf);
2758		2783
2759	rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");	2784	rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2760	}	2785	}
2761		2786
2762	void	2787	void
2763	rxvt_term::selection_property (Window win, Atom prop)	2788	rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2764	{	2789	{
2765	if (prop == None || selection_wait != Sel_incr)	2790	if (prop == None || selection_wait != Sel_incr)
2766	return;	2791	return;
2767		2792
2768	selection_paste (win, prop, true);	2793	selection_paste (win, prop, true);
…		…
2777	* (+) if ownership is claimed but property is empty, rxvt_selection_paste ()	2802	* (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2778	* will auto fallback to CUT_BUFFER0	2803	* will auto fallback to CUT_BUFFER0
2779	* EXT: button 2 release	2804	* EXT: button 2 release
2780	*/	2805	*/
2781	void	2806	void
2782	rxvt_term::selection_request (Time tm, int x, int y)	2807	rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2783	{	2808	{
2784	if (x < 0 || x >= width || y < 0 || y >= height)	2809	/* After making a selection with selection_make this function will always
2785	return; /* outside window */	2810	* return the internal selection, which is not correct IMO, now much more since
2786		2811	* I added the selnum parameter.
		2812	*/
		2813	#if 0
2787	if (selection.text)	2814	if (selection.text)
2788	{ /* internal selection */	2815	{ /* internal selection */
2789	char *str = rxvt_wcstombs (selection.text, selection.len);	2816	char *str = rxvt_wcstombs (selection.text, selection.len);
2790	paste (str, strlen (str));	2817	paste (str, strlen (str));
2791	free (str);	2818	free (str);
2792	return;	2819	return;
2793	}	2820	}
2794	else	2821	else
		2822	#endif
2795	{	2823	{
2796	int i;
2797
2798	selection_request_time = tm;	2824	selection_request_time = tm;
2799	selection_wait = Sel_normal;	2825	selection_wait = Sel_normal;
2800		2826
2801	for (i = Sel_Primary; i <= Sel_Clipboard; i++)
2802	{
2803	#if X_HAVE_UTF8_STRING	2827	#if X_HAVE_UTF8_STRING
2804	selection_type = Sel_UTF8String;	2828	selection_type = Sel_UTF8String;
2805	if (selection_request_other (xa[XA_UTF8_STRING], i))	2829	if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2806	return;	2830	return;
2807	#else	2831	#else
2808	selection_type = Sel_CompoundText;	2832	selection_type = Sel_CompoundText;
2809	if (selection_request_other (xa[XA_COMPOUND_TEXT], i))	2833	if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2810	return;	2834	return;
2811	#endif	2835	#endif
2812	}
2813	}	2836	}
2814		2837
2815	selection_wait = Sel_none; /* don't loop in selection_paste () */	2838	selection_wait = Sel_none; /* don't loop in selection_paste () */
2816	selection_paste (display->root, XA_CUT_BUFFER0, false);	2839	selection_paste (display->root, XA_CUT_BUFFER0, false);
2817	}	2840	}
2818		2841
2819	int	2842	int
2820	rxvt_term::selection_request_other (Atom target, int selnum)	2843	rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2821	{	2844	{
2822	Atom sel;	2845	Atom sel;
2823		2846
2824	selection_type |= selnum;	2847	selection_type |= selnum;
2825		2848
…		…
2844	/*	2867	/*
2845	* Clear all selected text	2868	* Clear all selected text
2846	* EXT: SelectionClear	2869	* EXT: SelectionClear
2847	*/	2870	*/
2848	void	2871	void
2849	rxvt_term::selection_clear ()	2872	rxvt_term::selection_clear () NOTHROW
2850	{	2873	{
2851	want_refresh = 1;	2874	want_refresh = 1;
2852	free (selection.text);	2875	free (selection.text);
2853	selection.text = NULL;	2876	selection.text = NULL;
2854	selection.len = 0;	2877	selection.len = 0;
…		…
2989		3012
2990	selection_grab (tm);	3013	selection_grab (tm);
2991	}	3014	}
2992		3015
2993	bool	3016	bool
2994	rxvt_term::selection_grab (Time tm)	3017	rxvt_term::selection_grab (Time tm) NOTHROW
2995	{	3018	{
2996	selection_time = tm;	3019	selection_time = tm;
2997		3020
2998	XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm);	3021	XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm);
2999	if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt)	3022	if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt)
3000	{	3023	{
3001	display->set_selection_owner (this);	3024	display->set_selection_owner (this);
3002	return true;	3025	return true;
3003	}	3026	}
3004	else	3027	else
		3028	{
		3029	selection_clear ();
3005	return false;	3030	return false;
		3031	}
3006		3032
3007	#if 0	3033	#if 0
3008	XTextProperty ct;	3034	XTextProperty ct;
3009		3035
3010	if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)	3036	if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)
…		…
3019	/*	3045	/*
3020	* Mark or select text based upon number of clicks: 1, 2, or 3	3046	* Mark or select text based upon number of clicks: 1, 2, or 3
3021	* EXT: button 1 press	3047	* EXT: button 1 press
3022	*/	3048	*/
3023	void	3049	void
3024	rxvt_term::selection_click (int clicks, int x, int y)	3050	rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
3025	{	3051	{
3026	clicks = ((clicks - 1) % 3) + 1;	3052	clicks = ((clicks - 1) % 3) + 1;
3027	selection.clicks = clicks; /* save clicks so extend will work */	3053	selection.clicks = clicks; /* save clicks so extend will work */
3028		3054
		3055	if (clicks == 2 && !selection.rect
		3056	&& HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
		3057	{
		3058	MEvent.clicks = 1; // what a mess
		3059	selection.screen = current_screen;
		3060	selection.op = SELECTION_CONT;
		3061	return;
		3062	}
		3063
3029	selection_start_colrow (Pixel2Col (x), Pixel2Row (y));	3064	selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
3030		3065
3031	if (clicks == 2 || clicks == 3)	3066	if (clicks == 2 || clicks == 3)
3032	selection_extend_colrow (selection.mark.col,	3067	selection_extend_colrow (selection.mark.col,
3033	selection.mark.row + view_start,	3068	selection.mark.row - view_start,
3034	0, /* button 3 */	3069	0, /* button 3 */
3035	1, /* button press */	3070	1, /* button press */
3036	0); /* click change */	3071	0); /* click change */
3037	}	3072	}
3038		3073
3039	/* ------------------------------------------------------------------------- */	3074	/* ------------------------------------------------------------------------- */
3040	/*	3075	/*
3041	* Mark a selection at the specified col/row	3076	* Mark a selection at the specified col/row
3042	*/	3077	*/
3043	void	3078	void
3044	rxvt_term::selection_start_colrow (int col, int row)	3079	rxvt_term::selection_start_colrow (int col, int row) NOTHROW
3045	{	3080	{
3046	want_refresh = 1;	3081	want_refresh = 1;
3047		3082
3048	selection.mark.row = row - view_start;	3083	selection.mark.row = row + view_start;
3049	selection.mark.col = col;	3084	selection.mark.col = col;
3050		3085
3051	selection.mark.row = clamp (selection.mark.row, -nsaved, nrow - 1);	3086	selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
3052	selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);	3087	selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3053		3088
3054	while (selection.mark.col > 0	3089	while (selection.mark.col > 0
3055	&& ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)	3090	&& ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
3056	--selection.mark.col;	3091	--selection.mark.col;
…		…
3075	#define DELIMIT_TEXT(x) \	3110	#define DELIMIT_TEXT(x) \
3076	(unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))	3111	(unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3077	#define DELIMIT_REND(x) 1	3112	#define DELIMIT_REND(x) 1
3078		3113
3079	void	3114	void
3080	rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret)	3115	rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
3081	{	3116	{
3082	int col, row, dirnadd, tcol, trow, w1, w2;	3117	int col, row, dirnadd, tcol, trow, w1, w2;
3083	row_col_t bound;	3118	row_col_t bound;
3084	text_t *stp;	3119	text_t *stp;
3085	rend_t *srp;	3120	rend_t *srp;
3086		3121
3087	if (dirn == UP)	3122	if (dirn == UP)
3088	{	3123	{
3089	bound.row = - nsaved - 1;	3124	bound.row = top_row - 1;
3090	bound.col = 0;	3125	bound.col = 0;
3091	dirnadd = -1;	3126	dirnadd = -1;
3092	}	3127	}
3093	else	3128	else
3094	{	3129	{
…		…
3159	* flag == 0 ==> button 1	3194	* flag == 0 ==> button 1
3160	* flag == 1 ==> button 3 press	3195	* flag == 1 ==> button 3 press
3161	* flag == 2 ==> button 3 motion	3196	* flag == 2 ==> button 3 motion
3162	*/	3197	*/
3163	void	3198	void
3164	rxvt_term::selection_extend (int x, int y, int flag)	3199	rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
3165	{	3200	{
3166	int col = clamp (Pixel2Col (x), 0, ncol);	3201	int col = clamp (Pixel2Col (x), 0, ncol);
3167	int row = clamp (Pixel2Row (y), 0, nrow - 1);	3202	int row = clamp (Pixel2Row (y), 0, nrow - 1);
3168		3203
3169	/*	3204	/*
…		…
3172	* select nothing. Otherwise, if we're to the right of the mark, you have to	3207	* select nothing. Otherwise, if we're to the right of the mark, you have to
3173	* be _past_ a character for it to be selected.	3208	* be _past_ a character for it to be selected.
3174	*/	3209	*/
3175	if (((selection.clicks % 3) == 1) && !flag	3210	if (((selection.clicks % 3) == 1) && !flag
3176	&& (col == selection.mark.col	3211	&& (col == selection.mark.col
3177	&& (row == selection.mark.row + view_start)))	3212	&& (row == selection.mark.row - view_start)))
3178	{	3213	{
3179	/* select nothing */	3214	/* select nothing */
3180	selection.beg.row = selection.end.row = 0;	3215	selection.beg.row = selection.end.row = 0;
3181	selection.beg.col = selection.end.col = 0;	3216	selection.beg.col = selection.end.col = 0;
3182	selection.clicks = 4;	3217	selection.clicks = 4;
…		…
3195	/* ------------------------------------------------------------------------- */	3230	/* ------------------------------------------------------------------------- */
3196	/*	3231	/*
3197	* Extend the selection to the specified col/row	3232	* Extend the selection to the specified col/row
3198	*/	3233	*/
3199	void	3234	void
3200	rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange)	3235	rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
3201	{	3236	{
3202	row_col_t pos;	3237	row_col_t pos;
3203	enum {	3238	enum {
3204	LEFT, RIGHT	3239	LEFT, RIGHT
3205	} closeto = RIGHT;	3240	} closeto = RIGHT;
…		…
3237	selection.beg.col = selection.end.col = selection.mark.col;	3272	selection.beg.col = selection.end.col = selection.mark.col;
3238	selection.beg.row = selection.end.row = selection.mark.row;	3273	selection.beg.row = selection.end.row = selection.mark.row;
3239	}	3274	}
3240		3275
3241	pos.col = col;	3276	pos.col = col;
3242	pos.row = row - view_start;	3277	pos.row = view_start + row;
3243		3278
3244	/*	3279	/*
3245	* This is mainly xterm style selection with a couple of differences, mainly	3280	* This is mainly xterm style selection with a couple of differences, mainly
3246	* in the way button3 drag extension works.	3281	* in the way button3 drag extension works.
3247	* We're either doing: button1 drag; button3 press; or button3 drag	3282	* We're either doing: button1 drag; button3 press; or button3 drag
…		…
3328	else if (selection.clicks == 2)	3363	else if (selection.clicks == 2)
3329	{	3364	{
3330	if (ROWCOL_IS_AFTER (selection.end, selection.beg))	3365	if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3331	selection.end.col--;	3366	selection.end.col--;
3332		3367
3333	if (!HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
3334	{
3335	selection_delimit_word (UP, &selection.beg, &selection.beg);	3368	selection_delimit_word (UP, &selection.beg, &selection.beg);
3336	selection_delimit_word (DN, &selection.end, &selection.end);	3369	selection_delimit_word (DN, &selection.end, &selection.end);
3337	}
3338	}	3370	}
3339	else if (selection.clicks == 3)	3371	else if (selection.clicks == 3)
3340	{	3372	{
3341	#if ENABLE_FRILLS	3373	#if ENABLE_FRILLS
3342	if (OPTION (Opt_tripleclickwords))	3374	if (OPTION (Opt_tripleclickwords))
…		…
3394	#endif	3426	#endif
3395	}	3427	}
3396		3428
3397	#if ENABLE_FRILLS	3429	#if ENABLE_FRILLS
3398	void	3430	void
3399	rxvt_term::selection_remove_trailing_spaces ()	3431	rxvt_term::selection_remove_trailing_spaces () NOTHROW
3400	{	3432	{
3401	int32_t end_col, end_row;	3433	int32_t end_col, end_row;
3402	text_t *stp;	3434	text_t *stp;
3403		3435
3404	end_col = selection.end.col;	3436	end_col = selection.end.col;
…		…
3442	/*	3474	/*
3443	* Double click on button 3 when already selected	3475	* Double click on button 3 when already selected
3444	* EXT: button 3 double click	3476	* EXT: button 3 double click
3445	*/	3477	*/
3446	void	3478	void
3447	rxvt_term::selection_rotate (int x, int y)	3479	rxvt_term::selection_rotate (int x, int y) NOTHROW
3448	{	3480	{
3449	selection.clicks = selection.clicks % 3 + 1;	3481	selection.clicks = selection.clicks % 3 + 1;
3450	selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);	3482	selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3451	}	3483	}
3452		3484
…		…
3454	/*	3486	/*
3455	* Respond to a request for our current selection	3487	* Respond to a request for our current selection
3456	* EXT: SelectionRequest	3488	* EXT: SelectionRequest
3457	*/	3489	*/
3458	void	3490	void
3459	rxvt_term::selection_send (const XSelectionRequestEvent &rq)	3491	rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3460	{	3492	{
3461	XSelectionEvent ev;	3493	XSelectionEvent ev;
3462	dDisp;	3494	dDisp;
3463		3495
3464	ev.type = SelectionNotify;	3496	ev.type = SelectionNotify;
…		…
3592		3624
3593	/*	3625	/*
3594	* return col/row values corresponding to x/y pixel values	3626	* return col/row values corresponding to x/y pixel values
3595	*/	3627	*/
3596	void	3628	void
3597	rxvt_term::pixel_position (int *x, int *y)	3629	rxvt_term::pixel_position (int *x, int *y) NOTHROW
3598	{	3630	{
3599	*x = Pixel2Col (*x);	3631	*x = Pixel2Col (*x);
3600	/* max_it (*x, 0); min_it (*x, (int)ncol - 1); */	3632	/* max_it (*x, 0); min_it (*x, (int)ncol - 1); */
3601	*y = Pixel2Row (*y);	3633	*y = Pixel2Row (*y);
3602	/* max_it (*y, 0); min_it (*y, (int)nrow - 1); */	3634	/* max_it (*y, 0); min_it (*y, (int)nrow - 1); */
3603	}	3635	}
3604		3636
3605	/* ------------------------------------------------------------------------- */	3637	/* ------------------------------------------------------------------------- */
3606	#ifdef USE_XIM	3638	#ifdef USE_XIM
3607	void	3639	void
3608	rxvt_term::im_set_position (XPoint &pos)	3640	rxvt_term::im_set_position (XPoint &pos) NOTHROW
3609	{	3641	{
3610	XWindowAttributes xwa;	3642	XWindowAttributes xwa;
3611		3643
3612	XGetWindowAttributes (display->display, vt, &xwa);	3644	XGetWindowAttributes (display->display, vt, &xwa);
3613		3645
…		…
3616	}	3648	}
3617	#endif	3649	#endif
3618		3650
3619	#if ENABLE_OVERLAY	3651	#if ENABLE_OVERLAY
3620	void	3652	void
3621	rxvt_term::scr_overlay_new (int x, int y, int w, int h)	3653	rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW
3622	{	3654	{
3623	if (nrow < 1 || ncol < 1)	3655	if (nrow < 1 || ncol < 1)
3624	return;	3656	return;
3625		3657
3626	want_refresh = 1;	3658	want_refresh = 1;
…		…
3671	*rp = r;	3703	*rp = r;
3672	}	3704	}
3673	}	3705	}
3674		3706
3675	void	3707	void
3676	rxvt_term::scr_overlay_off ()	3708	rxvt_term::scr_overlay_off () NOTHROW
3677	{	3709	{
3678	if (!ov_text)	3710	if (!ov_text)
3679	return;	3711	return;
3680		3712
3681	want_refresh = 1;	3713	want_refresh = 1;
…		…
3689	delete [] ov_text; ov_text = 0;	3721	delete [] ov_text; ov_text = 0;
3690	delete [] ov_rend; ov_rend = 0;	3722	delete [] ov_rend; ov_rend = 0;
3691	}	3723	}
3692		3724
3693	void	3725	void
3694	rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend)	3726	rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3695	{	3727	{
3696	if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2)	3728	if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2)
3697	return;	3729	return;
3698		3730
3699	x++, y++;	3731	x++, y++;
…		…
3701	ov_text[y][x] = text;	3733	ov_text[y][x] = text;
3702	ov_rend[y][x] = rend;	3734	ov_rend[y][x] = rend;
3703	}	3735	}
3704		3736
3705	void	3737	void
3706	rxvt_term::scr_overlay_set (int x, int y, const char *s)	3738	rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3707	{	3739	{
3708	while (*s)	3740	while (*s)
3709	scr_overlay_set (x++, y, *s++);	3741	scr_overlay_set (x++, y, *s++);
3710	}	3742	}
3711		3743
3712	void	3744	void
3713	rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s)	3745	rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW
3714	{	3746	{
3715	while (*s)	3747	while (*s)
3716	{	3748	{
3717	text_t t = *s++;	3749	text_t t = *s++;
3718	int width = wcwidth (t);	3750	int width = wcwidth (t);
…		…
3724	}	3756	}
3725	}	3757	}
3726	}	3758	}
3727		3759
3728	void	3760	void
3729	rxvt_term::scr_swap_overlay ()	3761	rxvt_term::scr_swap_overlay () NOTHROW
3730	{	3762	{
3731	if (!ov_text)	3763	if (!ov_text)
3732	return;	3764	return;
3733		3765
3734	// swap screen mem with overlay	3766	// swap screen mem with overlay
3735	for (int y = ov_h; y--; )	3767	for (int y = ov_h; y--; )
3736	{	3768	{
3737	text_t *t1 = ov_text[y];	3769	text_t *t1 = ov_text[y];
3738	rend_t *r1 = ov_rend[y];	3770	rend_t *r1 = ov_rend[y];
3739		3771
3740	text_t *t2 = ROW(y + ov_y - view_start).t + ov_x;	3772	text_t *t2 = ROW(y + ov_y + view_start).t + ov_x;
3741	rend_t *r2 = ROW(y + ov_y - view_start).r + ov_x;	3773	rend_t *r2 = ROW(y + ov_y + view_start).r + ov_x;
3742		3774
3743	for (int x = ov_w; x--; )	3775	for (int x = ov_w; x--; )
3744	{	3776	{
3745	text_t t = *t1; *t1++ = *t2; *t2++ = t;	3777	text_t t = *t1; *t1++ = *t2; *t2++ = t;
3746	rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));	3778	rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));

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