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

Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.216 by root, Mon Jan 9 18:51:19 2006 UTC vs.
Revision 1.247 by root, Sun Jan 22 20:39:47 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;
…		…
194		197
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	* Note: this is still needed so that all the scrollback lines are NULL
200	*/	202	*/
201	nsaved = 0; /* no saved lines */	203	top_row = 0;
202	term_start = 0;	204	term_start = 0;
203		205
204	talloc = new rxvt_salloc (ncol * sizeof (text_t));	206	talloc = new rxvt_salloc (ncol * sizeof (text_t));
205	ralloc = new rxvt_salloc (ncol * sizeof (rend_t));	207	ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
206		208
207	row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));	209	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));	210	drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
210	swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));	211	swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
211		212
212	for (int row = nrow; row--; )	213	for (int row = nrow; row--; )
213	{	214	{
214	scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);	215	scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
215	scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);	216	scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
…		…
236	selection.text = NULL;	237	selection.text = NULL;
237	selection.len = 0;	238	selection.len = 0;
238	selection.op = SELECTION_CLEAR;	239	selection.op = SELECTION_CLEAR;
239	selection.screen = PRIMARY;	240	selection.screen = PRIMARY;
240	selection.clicks = 0;	241	selection.clicks = 0;
241	CLEAR_ALL_SELECTION ();	242	rvideo_state = rvideo_mode = false;
242	rvideo = 0;
243	}	243	}
244	else	244	else
245	{	245	{
246	/*	246	/*
247	* add or delete rows as appropriate	247	* add or delete rows as appropriate
…		…
260	}	260	}
261	}	261	}
262	#endif	262	#endif
263		263
264	drawn_buf = (line_t *)rxvt_realloc (drawn_buf, nrow * sizeof (line_t));	264	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));	265	swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
267		266
268	for (int row = min (nrow, prev_nrow); row--; )	267	for (int row = min (nrow, prev_nrow); row--; )
269	{	268	{
270	lresize (drawn_buf[row]);	269	lresize (drawn_buf[row]);
…		…
275	{	274	{
276	swap_buf [row].clear (); scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);	275	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);	276	drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
278	}	277	}
279		278
		279	line_t *old_buf = row_buf;
280	line_t *old_buf = row_buf; row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));	280	row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
281		281
282	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
283	int pend = MOD (term_start - nsaved , prev_total_rows);	283	int pend = MOD (term_start + top_row , prev_total_rows);
284	int q = total_rows; // rewrapped row	284	int q = total_rows; // rewrapped row
285		285
286	if (nsaved)	286	if (top_row)
287	{	287	{
288	// 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
289	// to come up with a lean and mean algorithm.	289	// to come up with a lean and mean algorithm.
290		290
291	row_col_t ocur = screen.cur;	291	row_col_t ocur = screen.cur;
292	ocur.row = MOD (term_start + ocur.row, prev_total_rows);	292	ocur.row = MOD (term_start + ocur.row, prev_total_rows);
293		293
…		…
327	qline->l = ncol;	327	qline->l = ncol;
328	qline->is_longer (1);	328	qline->is_longer (1);
329		329
330	int qcol = 0;	330	int qcol = 0;
331		331
		332	// see below for cursor adjustment rationale
		333	if (p == ocur.row)
		334	screen.cur.row = q - (total_rows - nrow);
		335
332	// fill a single destination line	336	// fill a single destination line
333	while (lofs < llen && qcol < ncol)	337	while (lofs < llen && qcol < ncol)
334	{	338	{
335	int prow = lofs / prev_ncol;	339	int prow = lofs / prev_ncol;
336	int pcol = lofs % prev_ncol;	340	int pcol = lofs % prev_ncol;
…		…
346		350
347	line_t &pline = old_buf [prow];	351	line_t &pline = old_buf [prow];
348		352
349	int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);	353	int len = min (min (prev_ncol - pcol, ncol - qcol), llen - lofs);
350		354
351	assert (len);
352	assert (pline.t);
353
354	memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));	355	memcpy (qline->t + qcol, pline.t + pcol, len * sizeof (text_t));
355	memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));	356	memcpy (qline->r + qcol, pline.r + pcol, len * sizeof (rend_t));
356		357
357	lofs += len;	358	lofs += len;
358	qcol += len;	359	qcol += len;
…		…
364	scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);	365	scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
365	}	366	}
366	while (p != pend && q > 0);	367	while (p != pend && q > 0);
367		368
368	term_start = total_rows - nrow;	369	term_start = total_rows - nrow;
369	nsaved = term_start - q;	370	top_row = q - term_start;
370		371
371	// make sure all terminal lines exist	372	// make sure all terminal lines exist
372	while (nsaved < 0)	373	while (top_row > 0)
373	scr_blank_screen_mem (ROW (-++nsaved), DEFAULT_RSTYLE);	374	scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
374	}	375	}
375	else	376	else
376	{	377	{
377	// if no scrollback exists (yet), wing, instead of wrap	378	// if no scrollback exists (yet), wing, instead of wrap
378		379
…		…
391	}	392	}
392		393
393	term_start = 0;	394	term_start = 0;
394	}	395	}
395		396
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);	397	free (old_buf);
402	delete old_ta;	398	delete old_ta;
403	delete old_ra;	399	delete old_ra;
404		400
405	clamp_it (screen.cur.row, 0, nrow - 1);	401	clamp_it (screen.cur.row, 0, nrow - 1);
406	clamp_it (screen.cur.col, 0, ncol - 1);	402	clamp_it (screen.cur.col, 0, ncol - 1);
407		403
408	if (tabs)
409	free (tabs);	404	free (tabs);
410	}	405	}
		406
		407	CLEAR_ALL_SELECTION ();
411		408
412	prev_nrow = nrow;	409	prev_nrow = nrow;
413	prev_ncol = ncol;	410	prev_ncol = ncol;
414		411
415	tabs = (char *)rxvt_malloc (ncol * sizeof (char));	412	tabs = (char *)rxvt_malloc (ncol * sizeof (char));
416		413
417	for (int col = ncol; col--; )	414	for (int col = ncol; col--; )
418	tabs [col] = col % TABSIZE == 0;	415	tabs [col] = col % TABSIZE == 0;
419		416
		417	if (current_screen != PRIMARY)
		418	scr_swap_screen ();
		419
420	tt_winch ();	420	tt_winch ();
421		421
422	HOOK_INVOKE ((this, HOOK_RESET, DT_END));	422	HOOK_INVOKE ((this, HOOK_RESET, DT_END));
423	}	423	}
424		424
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	if (row_buf)
		433	{
432	delete talloc; talloc = 0;	434	delete talloc; talloc = 0;
433	delete ralloc; ralloc = 0;	435	delete ralloc; ralloc = 0;
434		436
435	free (row_buf);	437	free (row_buf);
436	free (swap_buf);	438	free (swap_buf);
437	free (drawn_buf);	439	free (drawn_buf);
438	free (temp_buf);
439	free (tabs);	440	free (tabs);
440		441
441	row_buf = 0; // signal that we freed all the arrays	442	row_buf = 0; // signal that we freed all the arrays
		443	}
442	}	444	}
443		445
444	/* ------------------------------------------------------------------------- */	446	/* ------------------------------------------------------------------------- */
445	/*	447	/*
446	* Hard reset	448	* Hard reset
…		…
451	scr_release ();	453	scr_release ();
452	prev_nrow = prev_ncol = 0;	454	prev_nrow = prev_ncol = 0;
453	scr_reset ();	455	scr_reset ();
454		456
455	scr_clear (true);	457	scr_clear (true);
456	scr_refresh (SLOW_REFRESH);	458	scr_refresh ();
457	}	459	}
458		460
459	/* ------------------------------------------------------------------------- *	461	/* ------------------------------------------------------------------------- *
460	* PROCESS SCREEN COMMANDS *	462	* PROCESS SCREEN COMMANDS *
461	* ------------------------------------------------------------------------- */	463	* ------------------------------------------------------------------------- */
…		…
463	* Save and Restore cursor	465	* Save and Restore cursor
464	* XTERM_SEQ: Save cursor : ESC 7	466	* XTERM_SEQ: Save cursor : ESC 7
465	* XTERM_SEQ: Restore cursor: ESC 8	467	* XTERM_SEQ: Restore cursor: ESC 8
466	*/	468	*/
467	void	469	void
468	rxvt_term::scr_cursor (int mode)	470	rxvt_term::scr_cursor (cursor_mode mode) NOTHROW
469	{	471	{
470	screen_t *s;	472	screen_t *s;
471		473
472	#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)	474	#if NSCREENS && !defined(NO_SECONDARY_SCREEN_CURSOR)
473	if (current_screen == SECONDARY)	475	if (current_screen == SECONDARY)
…		…
505	assert (s->cur.row >= 0);	507	assert (s->cur.row >= 0);
506	assert (s->cur.col >= 0);	508	assert (s->cur.col >= 0);
507	#endif	509	#endif
508	}	510	}
509		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
510	/* ------------------------------------------------------------------------- */	527	/* ------------------------------------------------------------------------- */
511	/*	528	/*
512	* Swap between primary and secondary screens	529	* Swap between primary and secondary screens
513	* XTERM_SEQ: Primary screen : ESC [ ? 4 7 h	530	* XTERM_SEQ: Primary screen : ESC [ ? 4 7 h
514	* XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l	531	* XTERM_SEQ: Secondary screen: ESC [ ? 4 7 l
515	*/	532	*/
516	int	533	void
517	rxvt_term::scr_change_screen (int scrn)	534	rxvt_term::scr_change_screen (int scrn)
518	{	535	{
		536	if (scrn == current_screen)
		537	return;
		538
519	want_refresh = 1;	539	want_refresh = 1;
520	view_start = 0;	540	view_start = 0;
521		541
522	if (current_screen == scrn)
523	return scrn;
524
525	selection_check (2); /* check for boundary cross */	542	selection_check (2); /* check for boundary cross */
526		543
527	int i = current_screen; current_screen = scrn; scrn = i;	544	int i = current_screen; current_screen = scrn; scrn = i;
528
529	::swap (screen.cur.row, swap.cur.row);
530	::swap (screen.cur.col, swap.cur.col);
531
532	screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
533	screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
534		545
535	#if NSCREENS	546	#if NSCREENS
536	if (OPTION (Opt_secondaryScreen))	547	if (OPTION (Opt_secondaryScreen))
537	{	548	{
538	num_scr = 0;	549	num_scr = 0;
539		550
540	for (int i = prev_nrow; i--; )	551	scr_swap_screen ();
541	::swap (ROW(i), swap_buf [i]);
542		552
543	::swap (screen.charset, swap.charset);	553	::swap (screen.charset, swap.charset);
544	::swap (screen.flags, swap.flags);	554	::swap (screen.flags, swap.flags);
545	screen.flags |= Screen_VisibleCursor;	555	screen.flags |= Screen_VisibleCursor;
546	swap.flags |= Screen_VisibleCursor;	556	swap.flags |= Screen_VisibleCursor;
547	}	557	}
548	else	558	else
549	#endif	559	#endif
550	if (OPTION (Opt_secondaryScroll))	560	if (OPTION (Opt_secondaryScroll))
551	scr_scroll_text (0, prev_nrow - 1, prev_nrow);	561	scr_scroll_text (0, prev_nrow - 1, prev_nrow);
552
553	return scrn;
554	}	562	}
555		563
556	// clear WrapNext indicator, solidifying position on next line	564	// clear WrapNext indicator, solidifying position on next line
557	void	565	void
558	rxvt_term::scr_do_wrap ()	566	rxvt_term::scr_do_wrap () NOTHROW
559	{	567	{
560	if (!(screen.flags & Screen_WrapNext))	568	if (!(screen.flags & Screen_WrapNext))
561	return;	569	return;
562		570
563	screen.flags &= ~Screen_WrapNext;	571	screen.flags &= ~Screen_WrapNext;
…		…
573	/* ------------------------------------------------------------------------- */	581	/* ------------------------------------------------------------------------- */
574	/*	582	/*
575	* Change the colour for following text	583	* Change the colour for following text
576	*/	584	*/
577	void	585	void
578	rxvt_term::scr_color (unsigned int color, int fgbg)	586	rxvt_term::scr_color (unsigned int color, int fgbg) NOTHROW
579	{	587	{
580	if (color > maxTermCOLOR)	588	if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
581	color = fgbg;	589	color = fgbg;
582		590
583	if (fgbg == Color_fg)	591	if (fgbg == Color_fg)
584	rstyle = SET_FGCOLOR (rstyle, color);	592	rstyle = SET_FGCOLOR (rstyle, color);
585	else	593	else
…		…
589	/* ------------------------------------------------------------------------- */	597	/* ------------------------------------------------------------------------- */
590	/*	598	/*
591	* Change the rendition style for following text	599	* Change the rendition style for following text
592	*/	600	*/
593	void	601	void
594	rxvt_term::scr_rendition (int set, int style)	602	rxvt_term::scr_rendition (int set, int style) NOTHROW
595	{	603	{
596	if (set)	604	if (set)
597	rstyle |= style;	605	rstyle |= style;
598	else if (style == ~RS_None)	606	else if (style == ~RS_None)
599	rstyle = DEFAULT_RSTYLE;	607	rstyle = DEFAULT_RSTYLE;
…		…
606	* Scroll text between <row1> and <row2> inclusive, by <count> lines	614	* Scroll text between <row1> and <row2> inclusive, by <count> lines
607	* count positive ==> scroll up	615	* count positive ==> scroll up
608	* count negative ==> scroll down	616	* count negative ==> scroll down
609	*/	617	*/
610	int	618	int
611	rxvt_term::scr_scroll_text (int row1, int row2, int count)	619	rxvt_term::scr_scroll_text (int row1, int row2, int count) NOTHROW
612	{	620	{
613	if (count == 0 || (row1 > row2))	621	if (count == 0 || (row1 > row2))
614	return 0;	622	return 0;
615		623
616	want_refresh = 1;	624	want_refresh = 1;
617	num_scr += count;	625	num_scr += count;
618		626
619	if (count > 0	627	if (count > 0
620	&& row1 == 0	628	&& row1 == 0
621	&& row2 == nrow - 1
622	&& (current_screen == PRIMARY || OPTION (Opt_secondaryScroll)))	629	&& (current_screen == PRIMARY || OPTION (Opt_secondaryScroll)))
623	{	630	{
624	nsaved = min (nsaved + count, saveLines);	631	top_row = max (top_row - count, -saveLines);
625		632
626	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	}
627		667
628	term_start = (term_start + count) % total_rows;	668	// move and/or clear selection, if any
629
630	if (selection.op && current_screen == selection.screen)	669	if (selection.op && current_screen == selection.screen)
631	{	670	{
632	selection.beg.row -= count;	671	selection.beg.row -= count;
633	selection.end.row -= count;	672	selection.end.row -= count;
634	selection.mark.row -= count;	673	selection.mark.row -= count;
635		674
636	if (selection.beg.row < -nsaved	675	if (selection.beg.row < top_row
637	|| selection.end.row < -nsaved	676	|| selection.end.row < top_row
638	|| selection.mark.row < -nsaved)	677	|| selection.mark.row < top_row)
639	{	678	{
640	CLEAR_ALL_SELECTION ();	679	CLEAR_ALL_SELECTION ();
641	selection.op = SELECTION_CLEAR;	680	selection.op = SELECTION_CLEAR;
642	}	681	}
643	}	682	}
644		683
645	for (int i = count; i--; )	684	// finally move the view window, if desired
646	{
647	// basically thi is a slightly optimized scr_blank_screen_mem
648	// it is worth the effort on slower machines
649	line_t &l = ROW(row2 - i);
650
651	scr_blank_line (l, 0, l.l, rstyle);
652
653	l.l = 0;
654	l.f = 0;
655	}
656
657	if (OPTION (Opt_scrollWithBuffer)	685	if (OPTION (Opt_scrollWithBuffer)
658	&& view_start != 0	686	&& view_start != 0
659	&& view_start != saveLines)	687	&& view_start != -saveLines)
660	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));
661	}	692	}
662	else	693	else
663	{	694	{
664	if (selection.op && current_screen == selection.screen)	695	if (selection.op && current_screen == selection.screen)
665	{	696	{
…		…
689		720
690	int rows = row2 - row1 + 1;	721	int rows = row2 - row1 + 1;
691		722
692	min_it (count, rows);	723	min_it (count, rows);
693		724
		725	line_t *temp_buf = row_buf + total_rows;
		726
694	for (int row = 0; row < rows; row++)	727	for (int row = 0; row < rows; row++)
695	{	728	{
696	temp_buf [row] = ROW(row1 + (row + count + rows) % rows);	729	temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
697		730
698	if (!IN_RANGE_EXC (row + count, 0, rows))	731	if (!IN_RANGE_EXC (row + count, 0, rows))
…		…
709	/* ------------------------------------------------------------------------- */	742	/* ------------------------------------------------------------------------- */
710	/*	743	/*
711	* Add text given in <str> of length <len> to screen struct	744	* Add text given in <str> of length <len> to screen struct
712	*/	745	*/
713	void	746	void
714	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
715	{	748	{
716	if (len <= 0) /* sanity */	749	if (len <= 0) /* sanity */
717	return;	750	return;
718		751
719	unsigned char checksel;	752	unsigned char checksel;
…		…
739	}	772	}
740		773
741	#ifdef DEBUG_STRICT	774	#ifdef DEBUG_STRICT
742	assert (screen.cur.col < ncol);	775	assert (screen.cur.col < ncol);
743	assert (screen.cur.row < nrow	776	assert (screen.cur.row < nrow
744	&& screen.cur.row >= -nsaved);	777	&& screen.cur.row >= top_row);
745	#endif	778	#endif
746	int row = screen.cur.row;	779	int row = screen.cur.row;
747		780
748	checksel = selection.op && current_screen == selection.screen ? 1 : 0;	781	checksel = selection.op && current_screen == selection.screen ? 1 : 0;
749		782
…		…
795	CLEAR_SELECTION ();	828	CLEAR_SELECTION ();
796	}	829	}
797		830
798	if (screen.flags & Screen_WrapNext)	831	if (screen.flags & Screen_WrapNext)
799	{	832	{
800	max_it (line->l, ncol);
801	line->is_longer (1);
802
803	scr_do_wrap ();	833	scr_do_wrap ();
804		834
		835	line->l = ncol;
		836	line->is_longer (1);
		837
805	row = screen.cur.row;	838	row = screen.cur.row;
806	line = &ROW(row); /* _must_ refresh */	839	line = &ROW(row); /* _must_ refresh */
807	}	840	}
808		841
809	// some utf-8 decoders "decode" surrogate characters: let's fix this.	842	// some utf-8 decoders "decode" surrogate characters: let's fix this.
…		…
973	/*	1006	/*
974	* Process Backspace. Move back the cursor back a position, wrap if have to	1007	* Process Backspace. Move back the cursor back a position, wrap if have to
975	* XTERM_SEQ: CTRL-H	1008	* XTERM_SEQ: CTRL-H
976	*/	1009	*/
977	void	1010	void
978	rxvt_term::scr_backspace ()	1011	rxvt_term::scr_backspace () NOTHROW
979	{	1012	{
980	want_refresh = 1;	1013	want_refresh = 1;
981		1014
982	if (screen.cur.col == 0)	1015	if (screen.cur.col == 0)
983	{	1016	{
…		…
1001	* Process Horizontal Tab	1034	* Process Horizontal Tab
1002	* count: +ve = forward; -ve = backwards	1035	* count: +ve = forward; -ve = backwards
1003	* XTERM_SEQ: CTRL-I	1036	* XTERM_SEQ: CTRL-I
1004	*/	1037	*/
1005	void	1038	void
1006	rxvt_term::scr_tab (int count, bool ht)	1039	rxvt_term::scr_tab (int count, bool ht) NOTHROW
1007	{	1040	{
1008	int i, x;	1041	int i, x;
1009		1042
1010	want_refresh = 1;	1043	want_refresh = 1;
1011	i = x = screen.cur.col;	1044	i = x = screen.cur.col;
…		…
1078	* Move cursor left in row. If we're at the left boundary, shift everything	1111	* Move cursor left in row. If we're at the left boundary, shift everything
1079	* in that row right. Clear left column.	1112	* in that row right. Clear left column.
1080	*/	1113	*/
1081	#if ENABLE_FRILLS	1114	#if ENABLE_FRILLS
1082	void	1115	void
1083	rxvt_term::scr_backindex ()	1116	rxvt_term::scr_backindex () NOTHROW
1084	{	1117	{
1085	if (screen.cur.col > 0)	1118	if (screen.cur.col > 0)
1086	scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);	1119	scr_gotorc (0, -1, R_RELATIVE | C_RELATIVE);
1087	else	1120	else
1088	scr_insdel_chars (1, INSERT);	1121	scr_insdel_chars (1, INSERT);
…		…
1095	* Move cursor right in row. If we're at the right boundary, shift everything	1128	* Move cursor right in row. If we're at the right boundary, shift everything
1096	* in that row left. Clear right column.	1129	* in that row left. Clear right column.
1097	*/	1130	*/
1098	#if ENABLE_FRILLS	1131	#if ENABLE_FRILLS
1099	void	1132	void
1100	rxvt_term::scr_forwardindex ()	1133	rxvt_term::scr_forwardindex () NOTHROW
1101	{	1134	{
1102	if (screen.cur.col < ncol - 1)	1135	if (screen.cur.col < ncol - 1)
1103	scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);	1136	scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1104	else	1137	else
1105	{	1138	{
…		…
1118	/* ------------------------------------------------------------------------- */	1151	/* ------------------------------------------------------------------------- */
1119	/*	1152	/*
1120	* Goto Row/Column	1153	* Goto Row/Column
1121	*/	1154	*/
1122	void	1155	void
1123	rxvt_term::scr_gotorc (int row, int col, int relative)	1156	rxvt_term::scr_gotorc (int row, int col, int relative) NOTHROW
1124	{	1157	{
1125	want_refresh = 1;	1158	want_refresh = 1;
1126	ZERO_SCROLLBACK ();	1159	ZERO_SCROLLBACK ();
1127		1160
1128	screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;	1161	screen.cur.col = relative & C_RELATIVE ? screen.cur.col + col : col;
…		…
1166	/* ------------------------------------------------------------------------- */	1199	/* ------------------------------------------------------------------------- */
1167	/*	1200	/*
1168	* direction should be UP or DN	1201	* direction should be UP or DN
1169	*/	1202	*/
1170	void	1203	void
1171	rxvt_term::scr_index (enum page_dirn direction)	1204	rxvt_term::scr_index (enum page_dirn direction) NOTHROW
1172	{	1205	{
1173	int dirn;	1206	int dirn;
1174		1207
1175	want_refresh = 1;	1208	want_refresh = 1;
1176	ZERO_SCROLLBACK ();	1209	ZERO_SCROLLBACK ();
…		…
1195	* XTERM_SEQ: Clear line to right: ESC [ 0 K	1228	* XTERM_SEQ: Clear line to right: ESC [ 0 K
1196	* XTERM_SEQ: Clear line to left : ESC [ 1 K	1229	* XTERM_SEQ: Clear line to left : ESC [ 1 K
1197	* XTERM_SEQ: Clear whole line : ESC [ 2 K	1230	* XTERM_SEQ: Clear whole line : ESC [ 2 K
1198	*/	1231	*/
1199	void	1232	void
1200	rxvt_term::scr_erase_line (int mode)	1233	rxvt_term::scr_erase_line (int mode) NOTHROW
1201	{	1234	{
1202	unsigned int col, num;	1235	unsigned int col, num;
1203		1236
1204	want_refresh = 1;	1237	want_refresh = 1;
1205	ZERO_SCROLLBACK ();	1238	ZERO_SCROLLBACK ();
…		…
1249	* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J	1282	* XTERM_SEQ: Clear screen after cursor : ESC [ 0 J
1250	* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J	1283	* XTERM_SEQ: Clear screen before cursor: ESC [ 1 J
1251	* XTERM_SEQ: Clear whole screen : ESC [ 2 J	1284	* XTERM_SEQ: Clear whole screen : ESC [ 2 J
1252	*/	1285	*/
1253	void	1286	void
1254	rxvt_term::scr_erase_screen (int mode)	1287	rxvt_term::scr_erase_screen (int mode) NOTHROW
1255	{	1288	{
1256	int num;	1289	int num;
1257	int32_t row;	1290	int32_t row;
1258	rend_t ren;	1291	rend_t ren;
1259	XGCValues gcvalue;	1292	XGCValues gcvalue;
…		…
1319	}	1352	}
1320	}	1353	}
1321		1354
1322	#if ENABLE_FRILLS	1355	#if ENABLE_FRILLS
1323	void	1356	void
1324	rxvt_term::scr_erase_savelines ()	1357	rxvt_term::scr_erase_savelines () NOTHROW
1325	{	1358	{
1326	want_refresh = 1;	1359	want_refresh = 1;
1327	ZERO_SCROLLBACK ();	1360	ZERO_SCROLLBACK ();
1328		1361
1329	nsaved = 0;	1362	top_row = 0;
1330	}	1363	}
1331	#endif	1364	#endif
1332		1365
1333	/* ------------------------------------------------------------------------- */	1366	/* ------------------------------------------------------------------------- */
1334	/*	1367	/*
1335	* Fill the screen with `E's	1368	* Fill the screen with `E's
1336	* XTERM_SEQ: Screen Alignment Test: ESC # 8	1369	* XTERM_SEQ: Screen Alignment Test: ESC # 8
1337	*/	1370	*/
1338	void	1371	void
1339	rxvt_term::scr_E ()	1372	rxvt_term::scr_E () NOTHROW
1340	{	1373	{
1341	rend_t fs;	1374	rend_t fs;
1342		1375
1343	want_refresh = 1;	1376	want_refresh = 1;
1344	ZERO_SCROLLBACK ();	1377	ZERO_SCROLLBACK ();
…		…
1365	/* ------------------------------------------------------------------------- */	1398	/* ------------------------------------------------------------------------- */
1366	/*	1399	/*
1367	* Insert/Delete <count> lines	1400	* Insert/Delete <count> lines
1368	*/	1401	*/
1369	void	1402	void
1370	rxvt_term::scr_insdel_lines (int count, int insdel)	1403	rxvt_term::scr_insdel_lines (int count, int insdel) NOTHROW
1371	{	1404	{
1372	int end;	1405	int end;
1373		1406
1374	ZERO_SCROLLBACK ();	1407	ZERO_SCROLLBACK ();
1375		1408
…		…
1395	/* ------------------------------------------------------------------------- */	1428	/* ------------------------------------------------------------------------- */
1396	/*	1429	/*
1397	* Insert/Delete <count> characters from the current position	1430	* Insert/Delete <count> characters from the current position
1398	*/	1431	*/
1399	void	1432	void
1400	rxvt_term::scr_insdel_chars (int count, int insdel)	1433	rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1401	{	1434	{
1402	int col, row;	1435	int col, row;
1403	rend_t tr;	1436	rend_t tr;
1404		1437
1405	want_refresh = 1;	1438	want_refresh = 1;
…		…
1493	/*	1526	/*
1494	* Set the scrolling region	1527	* Set the scrolling region
1495	* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r	1528	* XTERM_SEQ: Set region <top> - <bot> inclusive: ESC [ <top> ; <bot> r
1496	*/	1529	*/
1497	void	1530	void
1498	rxvt_term::scr_scroll_region (int top, int bot)	1531	rxvt_term::scr_scroll_region (int top, int bot) NOTHROW
1499	{	1532	{
1500	max_it (top, 0);	1533	max_it (top, 0);
1501	min_it (bot, nrow - 1);	1534	min_it (bot, nrow - 1);
1502		1535
1503	if (top > bot)	1536	if (top > bot)
…		…
1513	* Make the cursor visible/invisible	1546	* Make the cursor visible/invisible
1514	* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h	1547	* XTERM_SEQ: Make cursor visible : ESC [ ? 25 h
1515	* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l	1548	* XTERM_SEQ: Make cursor invisible: ESC [ ? 25 l
1516	*/	1549	*/
1517	void	1550	void
1518	rxvt_term::scr_cursor_visible (int mode)	1551	rxvt_term::scr_cursor_visible (int mode) NOTHROW
1519	{	1552	{
1520	want_refresh = 1;	1553	want_refresh = 1;
1521		1554
1522	if (mode)	1555	if (mode)
1523	screen.flags |= Screen_VisibleCursor;	1556	screen.flags |= Screen_VisibleCursor;
…		…
1530	* Set/unset automatic wrapping	1563	* Set/unset automatic wrapping
1531	* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h	1564	* XTERM_SEQ: Set Wraparound : ESC [ ? 7 h
1532	* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l	1565	* XTERM_SEQ: Unset Wraparound: ESC [ ? 7 l
1533	*/	1566	*/
1534	void	1567	void
1535	rxvt_term::scr_autowrap (int mode)	1568	rxvt_term::scr_autowrap (int mode) NOTHROW
1536	{	1569	{
1537	if (mode)	1570	if (mode)
1538	screen.flags |= Screen_Autowrap;	1571	screen.flags |= Screen_Autowrap;
1539	else	1572	else
1540	screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);	1573	screen.flags &= ~(Screen_Autowrap | Screen_WrapNext);
…		…
1549	* and the cursor cannot be moved outside.	1582	* and the cursor cannot be moved outside.
1550	* XTERM_SEQ: Set Absolute: ESC [ ? 6 h	1583	* XTERM_SEQ: Set Absolute: ESC [ ? 6 h
1551	* XTERM_SEQ: Set Relative: ESC [ ? 6 l	1584	* XTERM_SEQ: Set Relative: ESC [ ? 6 l
1552	*/	1585	*/
1553	void	1586	void
1554	rxvt_term::scr_relative_origin (int mode)	1587	rxvt_term::scr_relative_origin (int mode) NOTHROW
1555	{	1588	{
1556	if (mode)	1589	if (mode)
1557	screen.flags |= Screen_Relative;	1590	screen.flags |= Screen_Relative;
1558	else	1591	else
1559	screen.flags &= ~Screen_Relative;	1592	screen.flags &= ~Screen_Relative;
…		…
1566	* Set insert/replace mode	1599	* Set insert/replace mode
1567	* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h	1600	* XTERM_SEQ: Set Insert mode : ESC [ ? 4 h
1568	* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l	1601	* XTERM_SEQ: Set Replace mode: ESC [ ? 4 l
1569	*/	1602	*/
1570	void	1603	void
1571	rxvt_term::scr_insert_mode (int mode)	1604	rxvt_term::scr_insert_mode (int mode) NOTHROW
1572	{	1605	{
1573	if (mode)	1606	if (mode)
1574	screen.flags |= Screen_Insert;	1607	screen.flags |= Screen_Insert;
1575	else	1608	else
1576	screen.flags &= ~Screen_Insert;	1609	screen.flags &= ~Screen_Insert;
…		…
1582	* XTERM_SEQ: Set tab at current column : ESC H	1615	* XTERM_SEQ: Set tab at current column : ESC H
1583	* XTERM_SEQ: Clear tab at current column: ESC [ 0 g	1616	* XTERM_SEQ: Clear tab at current column: ESC [ 0 g
1584	* XTERM_SEQ: Clear all tabs : ESC [ 3 g	1617	* XTERM_SEQ: Clear all tabs : ESC [ 3 g
1585	*/	1618	*/
1586	void	1619	void
1587	rxvt_term::scr_set_tab (int mode)	1620	rxvt_term::scr_set_tab (int mode) NOTHROW
1588	{	1621	{
1589	if (mode < 0)	1622	if (mode < 0)
1590	memset (tabs, 0, ncol * sizeof (char));	1623	memset (tabs, 0, ncol * sizeof (char));
1591	else if (screen.cur.col < ncol)	1624	else if (screen.cur.col < ncol)
1592	tabs [screen.cur.col] = !!mode;	1625	tabs [screen.cur.col] = !!mode;
…		…
1597	* Set reverse/normal video	1630	* Set reverse/normal video
1598	* XTERM_SEQ: Reverse video: ESC [ ? 5 h	1631	* XTERM_SEQ: Reverse video: ESC [ ? 5 h
1599	* XTERM_SEQ: Normal video : ESC [ ? 5 l	1632	* XTERM_SEQ: Normal video : ESC [ ? 5 l
1600	*/	1633	*/
1601	void	1634	void
1602	rxvt_term::scr_rvideo_mode (int mode)	1635	rxvt_term::scr_rvideo_mode (bool on) NOTHROW
1603	{	1636	{
1604	XGCValues gcvalue;	1637	rvideo_mode = on;
1605		1638
		1639	#ifndef NO_BELL
		1640	on ^= rvideo_bell;
		1641	#endif
		1642
1606	if (rvideo != mode)	1643	if (rvideo_state != on)
1607	{	1644	{
1608	rvideo = mode;	1645	rvideo_state = on;
		1646
1609	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);	1647	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1610	#if XPM_BACKGROUND	1648	#if XPM_BACKGROUND
1611	if (bgPixmap.pixmap == None)	1649	if (bgPixmap.pixmap == None)
1612	#endif	1650	#endif
1613	#if TRANSPARENT	1651	#if TRANSPARENT
1614	if (! OPTION (Opt_transparent) || am_transparent == 0)	1652	if (!OPTION (Opt_transparent) || am_transparent == 0)
1615	#endif	1653	#endif
1616	XSetWindowBackground (display->display, vt,	1654	XSetWindowBackground (display->display, vt, pix_colors[Color_bg]);
1617	pix_colors[Color_bg]);
1618		1655
		1656	XGCValues gcvalue;
1619	gcvalue.foreground = pix_colors[Color_fg];	1657	gcvalue.foreground = pix_colors[Color_fg];
1620	gcvalue.background = pix_colors[Color_bg];	1658	gcvalue.background = pix_colors[Color_bg];
1621	XChangeGC (display->display, gc, GCBackground | GCForeground,	1659	XChangeGC (display->display, gc, GCBackground | GCForeground, &gcvalue);
1622	&gcvalue);	1660
1623	scr_clear ();	1661	scr_clear ();
1624	scr_touch (true);	1662	scr_touch (true);
1625	}	1663	}
1626	}	1664	}
1627		1665
…		…
1629	/*	1667	/*
1630	* Report current cursor position	1668	* Report current cursor position
1631	* XTERM_SEQ: Report position: ESC [ 6 n	1669	* XTERM_SEQ: Report position: ESC [ 6 n
1632	*/	1670	*/
1633	void	1671	void
1634	rxvt_term::scr_report_position ()	1672	rxvt_term::scr_report_position () NOTHROW
1635	{	1673	{
1636	tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);	1674	tt_printf ("\033[%d;%dR", screen.cur.row + 1, screen.cur.col + 1);
1637	}	1675	}
1638		1676
1639	/* ------------------------------------------------------------------------- *	1677	/* ------------------------------------------------------------------------- *
…		…
1642		1680
1643	/*	1681	/*
1644	* Set font style	1682	* Set font style
1645	*/	1683	*/
1646	void	1684	void
1647	rxvt_term::set_font_style ()	1685	rxvt_term::set_font_style () NOTHROW
1648	{	1686	{
1649	#if 0	1687	#if 0
1650	switch (charsets [screen.charset])	1688	switch (charsets [screen.charset])
1651	{	1689	{
1652	case '0': /* DEC Special Character & Line Drawing Set */	1690	case '0': /* DEC Special Character & Line Drawing Set */
…		…
1674	* XTERM_SEQ: Invoke G1 character set: CTRL-N	1712	* XTERM_SEQ: Invoke G1 character set: CTRL-N
1675	* XTERM_SEQ: Invoke G2 character set: ESC N	1713	* XTERM_SEQ: Invoke G2 character set: ESC N
1676	* XTERM_SEQ: Invoke G3 character set: ESC O	1714	* XTERM_SEQ: Invoke G3 character set: ESC O
1677	*/	1715	*/
1678	void	1716	void
1679	rxvt_term::scr_charset_choose (int set)	1717	rxvt_term::scr_charset_choose (int set) NOTHROW
1680	{	1718	{
1681	screen.charset = set;	1719	screen.charset = set;
1682	set_font_style ();	1720	set_font_style ();
1683	}	1721	}
1684		1722
…		…
1690	* XTERM_SEQ: Set G2 character set: ESC * <C>	1728	* XTERM_SEQ: Set G2 character set: ESC * <C>
1691	* XTERM_SEQ: Set G3 character set: ESC + <C>	1729	* XTERM_SEQ: Set G3 character set: ESC + <C>
1692	* See set_font_style for possible values for <C>	1730	* See set_font_style for possible values for <C>
1693	*/	1731	*/
1694	void	1732	void
1695	rxvt_term::scr_charset_set (int set, unsigned int ch)	1733	rxvt_term::scr_charset_set (int set, unsigned int ch) NOTHROW
1696	{	1734	{
1697	charsets[set] = (unsigned char)ch;	1735	charsets[set] = (unsigned char)ch;
1698	set_font_style ();	1736	set_font_style ();
1699	}	1737	}
1700		1738
…		…
1705		1743
1706	/*	1744	/*
1707	* refresh matching text.	1745	* refresh matching text.
1708	*/	1746	*/
1709	bool	1747	bool
1710	rxvt_term::scr_refresh_rend (rend_t mask, rend_t value)	1748	rxvt_term::scr_refresh_rend (rend_t mask, rend_t value) NOTHROW
1711	{	1749	{
1712	bool found = false;	1750	bool found = false;
1713		1751
1714	for (int i = 0; i < nrow; i++)	1752	for (int i = 0; i < nrow; i++)
1715	{	1753	{
…		…
1735	PART_END,	1773	PART_END,
1736	RC_COUNT	1774	RC_COUNT
1737	};	1775	};
1738		1776
1739	void	1777	void
1740	rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh)	1778	rxvt_term::scr_expose (int x, int y, int ewidth, int eheight, bool refresh) NOTHROW
1741	{	1779	{
1742	int i;	1780	int i;
1743	row_col_t rc[RC_COUNT];	1781	row_col_t rc[RC_COUNT];
1744		1782
1745	if (!drawn_buf) /* sanity check */	1783	if (!drawn_buf) /* sanity check */
…		…
1768	}	1806	}
1769		1807
1770	for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)	1808	for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1771	fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);	1809	fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1772		1810
		1811	num_scr_allow = 0;
		1812
1773	if (refresh)	1813	if (refresh)
1774	scr_refresh (SLOW_REFRESH);	1814	scr_refresh ();
1775	}	1815	}
1776		1816
1777	/* ------------------------------------------------------------------------- */	1817	/* ------------------------------------------------------------------------- */
1778	/*	1818	/*
1779	* Refresh the entire screen	1819	* Refresh the entire screen
1780	*/	1820	*/
1781	void	1821	void
1782	rxvt_term::scr_touch (bool refresh)	1822	rxvt_term::scr_touch (bool refresh) NOTHROW
1783	{	1823	{
1784	scr_expose (0, 0, width, height, refresh);	1824	scr_expose (0, 0, width, height, refresh);
1785	}	1825	}
1786		1826
1787	/* ------------------------------------------------------------------------- */	1827	/* ------------------------------------------------------------------------- */
1788	/*	1828	/*
1789	* Move the display so that the line represented by scrollbar value Y is at	1829	* Move the display so that the line represented by scrollbar value Y is at
1790	* the top of the screen	1830	* the top of the screen
1791	*/	1831	*/
1792	int	1832	void
1793	rxvt_term::scr_move_to (int y, int len)	1833	rxvt_term::scr_move_to (int y, int len) NOTHROW
1794	{	1834	{
1795	long p = 0;	1835	scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));
1796	unsigned int oldviewstart;
1797
1798	oldviewstart = view_start;
1799
1800	if (y < len)
1801	{
1802	p = (nrow + nsaved) * (len - y) / len;
1803	p -= (long) (nrow - 1);
1804	p = max (p, 0);
1805	}
1806
1807	view_start = (unsigned int)min (p, nsaved);
1808
1809	return scr_changeview (oldviewstart);
1810	}	1836	}
1811		1837
1812	/* ------------------------------------------------------------------------- */	1838	/* ------------------------------------------------------------------------- */
1813	/*	1839	/*
1814	* Page the screen up/down nlines	1840	* Page the screen up/down nlines
1815	* direction should be UP or DN	1841	* direction should be UP or DN
1816	*/	1842	*/
1817	int	1843	bool
1818	rxvt_term::scr_page (enum page_dirn direction, int nlines)	1844	rxvt_term::scr_page (enum page_dirn direction, int nlines) NOTHROW
1819	{	1845	{
1820	int n;	1846	int new_view_start =
1821	unsigned int oldviewstart;
1822
1823	oldviewstart = view_start;
1824
1825	if (direction == UP)
1826	{
1827	n = view_start + nlines;
1828	view_start = min (n, nsaved);
1829	}
1830	else
1831	{
1832	n = view_start - nlines;	1847	direction == UP ? view_start - nlines
1833	view_start = max (n, 0);	1848	: view_start + nlines;
1834	}
1835		1849
1836	return scr_changeview (oldviewstart);	1850	return scr_changeview (new_view_start);
1837	}	1851	}
1838		1852
1839	int	1853	bool
1840	rxvt_term::scr_changeview (unsigned int oldviewstart)	1854	rxvt_term::scr_changeview (int new_view_start) NOTHROW
1841	{	1855	{
		1856	clamp_it (new_view_start, top_row, 0);
		1857
1842	if (view_start != oldviewstart)	1858	if (new_view_start == view_start)
1843	{	1859	return false;
		1860
		1861	num_scr += new_view_start - view_start;
		1862	view_start = new_view_start;
		1863	want_refresh = 1;
		1864
1844	HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));	1865	HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
1845		1866
1846	want_refresh = 1;	1867	return true;
1847	num_scr -= (view_start - oldviewstart);
1848	}
1849
1850	return (int)view_start - (int)oldviewstart;
1851	}	1868	}
1852		1869
1853	/* ------------------------------------------------------------------------- */	1870	#ifndef NO_BELL
1854	void	1871	void
		1872	rxvt_term::bell_cb (time_watcher &w)
		1873	{
		1874	rvideo_bell = false;
		1875	scr_rvideo_mode (rvideo_mode);
		1876	}
		1877	#endif
		1878
		1879	/* ------------------------------------------------------------------------- */
		1880	void
1855	rxvt_term::scr_bell ()	1881	rxvt_term::scr_bell () NOTHROW
1856	{	1882	{
1857	#ifndef NO_BELL	1883	#ifndef NO_BELL
1858		1884
1859	# ifndef NO_MAPALERT	1885	# ifndef NO_MAPALERT
1860	# ifdef MAPALERT_OPTION	1886	# ifdef MAPALERT_OPTION
…		…
1863	XMapWindow (display->display, parent[0]);	1889	XMapWindow (display->display, parent[0]);
1864	# endif	1890	# endif
1865		1891
1866	if (OPTION (Opt_visualBell))	1892	if (OPTION (Opt_visualBell))
1867	{	1893	{
1868	scr_rvideo_mode (!rvideo); /* refresh also done */	1894	rvideo_bell = true;
1869	rxvt_usleep (VISUAL_BELL_DURATION);	1895	scr_rvideo_mode (rvideo_mode);
1870	scr_rvideo_mode (!rvideo); /* refresh also done */	1896	display->flush ();
		1897
		1898	bell_ev.start (NOW + VISUAL_BELL_DURATION);
1871	}	1899	}
1872	else	1900	else
1873	XBell (display->display, 0);	1901	XBell (display->display, 0);
1874		1902
1875	#endif	1903	#endif
1876	}	1904	}
1877		1905
1878	/* ------------------------------------------------------------------------- */	1906	/* ------------------------------------------------------------------------- */
1879	/* ARGSUSED */	1907	/* ARGSUSED */
1880	void	1908	void
1881	rxvt_term::scr_printscreen (int fullhist)	1909	rxvt_term::scr_printscreen (int fullhist) NOTHROW
1882	{	1910	{
1883	#ifdef PRINTPIPE	1911	#ifdef PRINTPIPE
1884	int nrows, row_start;	1912	int nrows, row_start;
1885	FILE *fd;	1913	FILE *fd;
1886		1914
1887	if ((fd = popen_printer ()) == NULL)	1915	if ((fd = popen_printer ()) == NULL)
1888	return;	1916	return;
1889		1917
1890	if (fullhist)	1918	if (fullhist)
1891	{	1919	{
1892	nrows = nrow + nsaved;	1920	nrows = nrow - top_row;
1893	row_start = -nsaved;	1921	row_start = top_row;
1894	}	1922	}
1895	else	1923	else
1896	{	1924	{
1897	nrows = nrow;	1925	nrows = nrow;
1898	row_start = -view_start;	1926	row_start = view_start;
1899	}	1927	}
1900		1928
1901	wctomb (0, 0);	1929	wctomb (0, 0);
1902		1930
1903	for (int r1 = 0; r1 < nrows; r1++)	1931	for (int r1 = 0; r1 < nrows; r1++)
…		…
1935	* Refresh the screen	1963	* Refresh the screen
1936	* drawn_text/drawn_rend contain the screen information before the update.	1964	* drawn_text/drawn_rend contain the screen information before the update.
1937	* screen.text/screen.rend contain what the screen will change to.	1965	* screen.text/screen.rend contain what the screen will change to.
1938	*/	1966	*/
1939	void	1967	void
1940	rxvt_term::scr_refresh (unsigned char refresh_type)	1968	rxvt_term::scr_refresh () NOTHROW
1941	{	1969	{
1942	unsigned char must_clear, /* use draw_string not draw_image_string */	1970	unsigned char must_clear, /* use draw_string not draw_image_string */
1943	showcursor; /* show the cursor */	1971	showcursor; /* show the cursor */
1944	int16_t col, row, /* column/row we're processing */	1972	int16_t col, row, /* column/row we're processing */
1945	ocrow; /* old cursor row */	1973	ocrow; /* old cursor row */
…		…
2031		2059
2032	/* make sure no outline cursor is left around */	2060	/* make sure no outline cursor is left around */
2033	setoldcursor = 0;	2061	setoldcursor = 0;
2034	if (ocrow != -1)	2062	if (ocrow != -1)
2035	{	2063	{
2036	if (screen.cur.row + view_start != ocrow	2064	if (screen.cur.row - view_start != ocrow
2037	|| screen.cur.col != oldcursor.col)	2065	|| screen.cur.col != oldcursor.col)
2038	{	2066	{
2039	if (ocrow < nrow	2067	if (ocrow < nrow
2040	&& oldcursor.col < ncol)	2068	&& oldcursor.col < ncol)
2041	drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);	2069	drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
…		…
2049	else if (!focus)	2077	else if (!focus)
2050	setoldcursor = 1;	2078	setoldcursor = 1;
2051		2079
2052	if (setoldcursor)	2080	if (setoldcursor)
2053	{	2081	{
2054	if (screen.cur.row + view_start >= nrow)	2082	if (screen.cur.row - view_start >= nrow)
2055	oldcursor.row = -1;	2083	oldcursor.row = -1;
2056	else	2084	else
2057	{	2085	{
2058	oldcursor.row = screen.cur.row + view_start;	2086	oldcursor.row = screen.cur.row - view_start;
2059	oldcursor.col = screen.cur.col;	2087	oldcursor.col = screen.cur.col;
2060	}	2088	}
2061	}	2089	}
2062	}	2090	}
2063		2091
…		…
2069	#ifndef NO_SLOW_LINK_SUPPORT	2097	#ifndef NO_SLOW_LINK_SUPPORT
2070	/*	2098	/*
2071	* D: CopyArea pass - very useful for slower links	2099	* D: CopyArea pass - very useful for slower links
2072	* This has been deliberately kept simple.	2100	* This has been deliberately kept simple.
2073	*/	2101	*/
2074	i = num_scr;
2075	if (!display->is_local	2102	if (!display->is_local
2076	&& refresh_type == FAST_REFRESH && num_scr_allow && num_scr	2103	&& refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2077	&& abs (num_scr) < nrow && !must_clear)	2104	&& abs (num_scr) < nrow && !must_clear)
2078	{	2105	{
2079	int16_t nits;	2106	int16_t nits;
2080	int j;	2107	int j;
2081	int len, wlen;	2108	int len, wlen;
		2109	dLocal (int, num_scr);
2082		2110
2083	j = nrow;	2111	j = nrow;
2084	wlen = len = -1;	2112	wlen = len = -1;
2085	row = i > 0 ? 0 : j - 1;	2113	row = i > 0 ? 0 : j - 1;
2086	for (; j-- >= 0; row += (i > 0 ? 1 : -1))	2114	for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2087	{	2115	{
2088	if (row + i >= 0 && row + i < nrow && row + i != ocrow)	2116	if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2089	{	2117	{
2090	line_t s = ROW(row - view_start);	2118	line_t s = ROW(view_start + row);
2091	line_t d = drawn_buf[row];	2119	line_t d = drawn_buf[row];
2092	line_t d2 = drawn_buf[row + i];	2120	line_t d2 = drawn_buf[row + i];
2093		2121
2094	for (nits = 0, col = ncol; col--; )	2122	for (nits = 0, col = ncol; col--; )
2095	if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])	2123	if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
…		…
2133	/*	2161	/*
2134	* E: main pass across every character	2162	* E: main pass across every character
2135	*/	2163	*/
2136	for (row = 0; row < nrow; row++)	2164	for (row = 0; row < nrow; row++)
2137	{	2165	{
2138	text_t *stp = ROW(row - view_start).t;	2166	text_t *stp = ROW(view_start + row).t;
2139	rend_t *srp = ROW(row - view_start).r;	2167	rend_t *srp = ROW(view_start + row).r;
2140	text_t *dtp = drawn_buf[row].t;	2168	text_t *dtp = drawn_buf[row].t;
2141	rend_t *drp = drawn_buf[row].r;	2169	rend_t *drp = drawn_buf[row].r;
2142		2170
2143	/*	2171	/*
2144	* E2: OK, now the real pass	2172	* E2: OK, now the real pass
…		…
2381	/*	2409	/*
2382	* H: cleanup selection	2410	* H: cleanup selection
2383	*/	2411	*/
2384	scr_reverse_selection ();	2412	scr_reverse_selection ();
2385		2413
2386	if (refresh_type & SMOOTH_REFRESH)
2387	XFlush (display->display);
2388
2389	num_scr = 0;	2414	num_scr = 0;
2390	num_scr_allow = 1;	2415	num_scr_allow = 1;
2391	}	2416	}
2392		2417
2393	void	2418	void
2394	rxvt_term::scr_remap_chars (line_t &l)	2419	rxvt_term::scr_remap_chars (line_t &l) NOTHROW
2395	{	2420	{
2396	if (!l.t)	2421	if (!l.t)
2397	return;	2422	return;
2398		2423
2399	l.touch (); // maybe a bit of an overkill, but it's not performance-relevant	2424	l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
…		…
2401	for (int i = ncol; i--; )	2426	for (int i = ncol; i--; )
2402	l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));	2427	l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2403	}	2428	}
2404		2429
2405	void	2430	void
2406	rxvt_term::scr_remap_chars ()	2431	rxvt_term::scr_remap_chars () NOTHROW
2407	{	2432	{
2408	for (int i = total_rows; i--; )	2433	for (int i = total_rows; i--; )
2409	scr_remap_chars (row_buf [i]);	2434	scr_remap_chars (row_buf [i]);
2410		2435
2411	for (int i = nrow; i--; )	2436	for (int i = nrow; i--; )
…		…
2414	scr_remap_chars (swap_buf [i]);	2439	scr_remap_chars (swap_buf [i]);
2415	}	2440	}
2416	}	2441	}
2417		2442
2418	void	2443	void
2419	rxvt_term::scr_recolour ()	2444	rxvt_term::scr_recolour () NOTHROW
2420	{	2445	{
2421	if (1	2446	if (1
2422	#if TRANSPARENT	2447	#if TRANSPARENT
2423	&& !am_transparent	2448	&& !am_transparent
2424	#endif	2449	#endif
…		…
2445	want_refresh = 1;	2470	want_refresh = 1;
2446	}	2471	}
2447		2472
2448	/* ------------------------------------------------------------------------- */	2473	/* ------------------------------------------------------------------------- */
2449	void	2474	void
2450	rxvt_term::scr_clear (bool really)	2475	rxvt_term::scr_clear (bool really) NOTHROW
2451	{	2476	{
2452	if (!mapped)	2477	if (!mapped)
2453	return;	2478	return;
2454		2479
2455	num_scr_allow = 0;	2480	num_scr_allow = 0;
…		…
2457		2482
2458	if (really)	2483	if (really)
2459	XClearWindow (display->display, vt);	2484	XClearWindow (display->display, vt);
2460	}	2485	}
2461		2486
2462	/* ------------------------------------------------------------------------- */
2463	void	2487	void
		2488	rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2) NOTHROW
		2489	{
		2490	int view_end = view_start + nrow;
		2491	int row, col;
		2492
		2493	for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
		2494	{
		2495	text_t *stp = ROW(row).t;
		2496	rend_t *srp = ROW(row).r;
		2497
		2498	for (col = beg_col; col < end_col; col++)
		2499	srp[col] ^= rstyle1;
		2500
		2501	while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
		2502	srp[col] ^= rstyle2;
		2503
		2504	if (++col < end_col)
		2505	srp[col] ^= rstyle2;
		2506	}
		2507	}
		2508
		2509	void
		2510	rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle) NOTHROW
		2511	{
		2512	int view_end = view_start + nrow;
		2513	int row, col;
		2514
		2515	if (beg_row >= view_start)
		2516	{
		2517	col = beg_col;
		2518	row = beg_row;
		2519	}
		2520	else
		2521	{
		2522	col = 0;
		2523	row = view_start;
		2524	}
		2525
		2526	for (; row < min (end_row, view_end); row++, col = 0)
		2527	for (rend_t *srp = ROW(row).r; col < ncol; col++)
		2528	srp[col] ^= rstyle;
		2529
		2530	if (row == end_row)
		2531	for (rend_t *srp = ROW(row).r; col < end_col; col++)
		2532	srp[col] ^= rstyle;
		2533	}
		2534
		2535	/* ------------------------------------------------------------------------- */
		2536	void
2464	rxvt_term::scr_reverse_selection ()	2537	rxvt_term::scr_reverse_selection () NOTHROW
2465	{	2538	{
2466	if (selection.op	2539	if (selection.op
2467	&& current_screen == selection.screen	2540	&& current_screen == selection.screen
2468	&& selection.end.row >= -view_start)	2541	&& selection.end.row >= view_start)
2469	{	2542	{
2470	int view_end = -view_start + nrow;
2471	int row, col;
2472
2473	#if ENABLE_FRILLS	2543	#if ENABLE_FRILLS
2474	if (selection.rect)	2544	if (selection.rect)
2475	{	2545	scr_xor_rect (selection.beg.row, selection.beg.col,
2476	for (row = max (selection.beg.row, -view_start); row <= min (selection.end.row, view_end); row++)	2546	selection.end.row, selection.end.col,
2477	{	2547	RS_RVid, RS_RVid | RS_Uline);
2478	text_t *stp = ROW(row).t;
2479	rend_t *srp = ROW(row).r;
2480
2481	for (col = selection.beg.col; col < selection.end.col; col++)
2482	srp[col] ^= RS_RVid;
2483
2484	while (col-- > selection.beg.col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
2485	srp[col] ^= RS_RVid | RS_Uline;
2486
2487	if (++col < selection.end.col)
2488	srp[col] ^= RS_RVid | RS_Uline;
2489	}
2490	}
2491	else	2548	else
2492	#endif	2549	#endif
2493	{	2550	scr_xor_span (selection.beg.row, selection.beg.col,
2494	if (selection.beg.row >= -view_start)	2551	selection.end.row, selection.end.col,
2495	{	2552	RS_RVid);
2496	col = selection.beg.col;
2497	row = selection.beg.row;
2498	}
2499	else
2500	{
2501	col = 0;
2502	row = -view_start;
2503	}
2504
2505	for (; row < min (selection.end.row, view_end); row++, col = 0)
2506	for (rend_t *srp = ROW(row).r; col < ncol; col++)
2507	srp[col] ^= RS_RVid;
2508
2509	if (row == selection.end.row)
2510	for (rend_t *srp = ROW(row).r; col < selection.end.col; col++)
2511	srp[col] ^= RS_RVid;
2512	}
2513	}	2553	}
2514	}	2554	}
2515		2555
2516	/* ------------------------------------------------------------------------- */	2556	/* ------------------------------------------------------------------------- */
2517	/*	2557	/*
2518	* Dump the whole scrollback and screen to the passed filedescriptor. The	2558	* Dump the whole scrollback and screen to the passed filedescriptor. The
2519	* invoking routine must close the fd.	2559	* invoking routine must close the fd.
2520	*/	2560	*/
2521	#if 0	2561	#if 0
2522	void	2562	void
2523	rxvt_term::scr_dump (int fd)	2563	rxvt_term::scr_dump (int fd) NOTHROW
2524	{	2564	{
2525	int row, wrote;	2565	int row, wrote;
2526	unsigned int width, towrite;	2566	unsigned int width, towrite;
2527	char r1[] = "\n";	2567	char r1[] = "\n";
2528		2568
…		…
2547		2587
2548	/* ------------------------------------------------------------------------- *	2588	/* ------------------------------------------------------------------------- *
2549	* CHARACTER SELECTION *	2589	* CHARACTER SELECTION *
2550	* ------------------------------------------------------------------------- */	2590	* ------------------------------------------------------------------------- */
2551	void	2591	void
2552	rxvt_term::selection_check (int check_more)	2592	rxvt_term::selection_check (int check_more) NOTHROW
2553	{	2593	{
2554	row_col_t pos;	2594	row_col_t pos;
2555		2595
2556	if (!selection.op)	2596	if (!selection.op)
2557	return;	2597	return;
2558		2598
2559	pos.row = pos.col = 0;	2599	pos.row = pos.col = 0;
2560	if (!IN_RANGE_EXC (selection.beg.row, -nsaved, nrow)	2600	if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2561	|| !IN_RANGE_EXC (selection.mark.row, -nsaved, nrow)	2601	|| !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2562	|| !IN_RANGE_EXC (selection.end.row, -nsaved, nrow)	2602	|| !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2563	|| (check_more == 1	2603	|| (check_more == 1
2564	&& current_screen == selection.screen	2604	&& current_screen == selection.screen
2565	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)	2605	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2566	&& ROWCOL_IS_BEFORE (screen.cur, selection.end))	2606	&& ROWCOL_IS_BEFORE (screen.cur, selection.end))
2567	|| (check_more == 2	2607	|| (check_more == 2
…		…
2578	/* ------------------------------------------------------------------------- */	2618	/* ------------------------------------------------------------------------- */
2579	/*	2619	/*
2580	* Paste a selection direct to the command fd	2620	* Paste a selection direct to the command fd
2581	*/	2621	*/
2582	void	2622	void
2583	rxvt_term::paste (char *data, unsigned int len)	2623	rxvt_term::paste (char *data, unsigned int len) NOTHROW
2584	{	2624	{
2585	/* convert normal newline chars into common keyboard Return key sequence */	2625	/* convert normal newline chars into common keyboard Return key sequence */
2586	for (unsigned int i = 0; i < len; i++)	2626	for (unsigned int i = 0; i < len; i++)
2587	if (data[i] == C0_LF)	2627	if (data[i] == C0_LF)
2588	data[i] = C0_CR;	2628	data[i] = C0_CR;
…		…
2594	/*	2634	/*
2595	* Respond to a notification that a primary selection has been sent	2635	* Respond to a notification that a primary selection has been sent
2596	* EXT: SelectionNotify	2636	* EXT: SelectionNotify
2597	*/	2637	*/
2598	void	2638	void
2599	rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop)	2639	rxvt_term::selection_paste (Window win, Atom prop, bool delete_prop) NOTHROW
2600	{	2640	{
2601	if (prop == None) /* check for failed XConvertSelection */	2641	if (prop == None) /* check for failed XConvertSelection */
2602	{	2642	{
2603	if ((selection_type & Sel_CompoundText))	2643	if ((selection_type & Sel_CompoundText))
2604	{	2644	{
…		…
2756	if (selection_wait == Sel_normal)	2796	if (selection_wait == Sel_normal)
2757	selection_wait = Sel_none;	2797	selection_wait = Sel_none;
2758	}	2798	}
2759		2799
2760	void	2800	void
2761	rxvt_term::incr_cb (time_watcher &w)	2801	rxvt_term::incr_cb (time_watcher &w) NOTHROW
2762	{	2802	{
2763	selection_wait = Sel_none;	2803	selection_wait = Sel_none;
2764		2804
2765	incr_buf_size = 0;	2805	incr_buf_size = 0;
2766	free (incr_buf);	2806	free (incr_buf);
2767		2807
2768	rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");	2808	rxvt_warn ("data loss: timeout on INCR selection paste, ignoring.\n");
2769	}	2809	}
2770		2810
2771	void	2811	void
2772	rxvt_term::selection_property (Window win, Atom prop)	2812	rxvt_term::selection_property (Window win, Atom prop) NOTHROW
2773	{	2813	{
2774	if (prop == None || selection_wait != Sel_incr)	2814	if (prop == None || selection_wait != Sel_incr)
2775	return;	2815	return;
2776		2816
2777	selection_paste (win, prop, true);	2817	selection_paste (win, prop, true);
…		…
2786	* (+) if ownership is claimed but property is empty, rxvt_selection_paste ()	2826	* (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2787	* will auto fallback to CUT_BUFFER0	2827	* will auto fallback to CUT_BUFFER0
2788	* EXT: button 2 release	2828	* EXT: button 2 release
2789	*/	2829	*/
2790	void	2830	void
2791	rxvt_term::selection_request (Time tm, int x, int y)	2831	rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2792	{	2832	{
2793	if (x < 0 || x >= width || y < 0 || y >= height)	2833	if (selection.text && selnum == Sel_Primary)
2794	return; /* outside window */
2795
2796	if (selection.text)
2797	{ /* internal selection */	2834	{ /* internal selection */
2798	char *str = rxvt_wcstombs (selection.text, selection.len);	2835	char *str = rxvt_wcstombs (selection.text, selection.len);
2799	paste (str, strlen (str));	2836	paste (str, strlen (str));
2800	free (str);	2837	free (str);
2801	return;	2838	return;
2802	}	2839	}
2803	else	2840	else
2804	{	2841	{
2805	int i;
2806
2807	selection_request_time = tm;	2842	selection_request_time = tm;
2808	selection_wait = Sel_normal;	2843	selection_wait = Sel_normal;
2809		2844
2810	for (i = Sel_Primary; i <= Sel_Clipboard; i++)
2811	{
2812	#if X_HAVE_UTF8_STRING	2845	#if X_HAVE_UTF8_STRING
2813	selection_type = Sel_UTF8String;	2846	selection_type = Sel_UTF8String;
2814	if (selection_request_other (xa[XA_UTF8_STRING], i))	2847	if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2815	return;	2848	return;
2816	#else	2849	#else
2817	selection_type = Sel_CompoundText;	2850	selection_type = Sel_CompoundText;
2818	if (selection_request_other (xa[XA_COMPOUND_TEXT], i))	2851	if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2819	return;	2852	return;
2820	#endif	2853	#endif
2821	}
2822	}	2854	}
2823		2855
2824	selection_wait = Sel_none; /* don't loop in selection_paste () */	2856	selection_wait = Sel_none; /* don't loop in selection_paste () */
2825	selection_paste (display->root, XA_CUT_BUFFER0, false);	2857	selection_paste (display->root, XA_CUT_BUFFER0, false);
2826	}	2858	}
2827		2859
2828	int	2860	int
2829	rxvt_term::selection_request_other (Atom target, int selnum)	2861	rxvt_term::selection_request_other (Atom target, int selnum) NOTHROW
2830	{	2862	{
2831	Atom sel;	2863	Atom sel;
2832		2864
2833	selection_type |= selnum;	2865	selection_type |= selnum;
2834		2866
…		…
2853	/*	2885	/*
2854	* Clear all selected text	2886	* Clear all selected text
2855	* EXT: SelectionClear	2887	* EXT: SelectionClear
2856	*/	2888	*/
2857	void	2889	void
2858	rxvt_term::selection_clear ()	2890	rxvt_term::selection_clear () NOTHROW
2859	{	2891	{
2860	want_refresh = 1;	2892	want_refresh = 1;
2861	free (selection.text);	2893	free (selection.text);
2862	selection.text = NULL;	2894	selection.text = NULL;
2863	selection.len = 0;	2895	selection.len = 0;
…		…
2998		3030
2999	selection_grab (tm);	3031	selection_grab (tm);
3000	}	3032	}
3001		3033
3002	bool	3034	bool
3003	rxvt_term::selection_grab (Time tm)	3035	rxvt_term::selection_grab (Time tm) NOTHROW
3004	{	3036	{
3005	selection_time = tm;	3037	selection_time = tm;
3006		3038
3007	XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm);	3039	XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm);
3008	if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt)	3040	if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt)
3009	{	3041	{
3010	display->set_selection_owner (this);	3042	display->set_selection_owner (this);
3011	return true;	3043	return true;
3012	}	3044	}
3013	else	3045	else
		3046	{
		3047	selection_clear ();
3014	return false;	3048	return false;
		3049	}
3015		3050
3016	#if 0	3051	#if 0
3017	XTextProperty ct;	3052	XTextProperty ct;
3018		3053
3019	if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)	3054	if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)
…		…
3028	/*	3063	/*
3029	* Mark or select text based upon number of clicks: 1, 2, or 3	3064	* Mark or select text based upon number of clicks: 1, 2, or 3
3030	* EXT: button 1 press	3065	* EXT: button 1 press
3031	*/	3066	*/
3032	void	3067	void
3033	rxvt_term::selection_click (int clicks, int x, int y)	3068	rxvt_term::selection_click (int clicks, int x, int y) NOTHROW
3034	{	3069	{
3035	clicks = ((clicks - 1) % 3) + 1;	3070	clicks = ((clicks - 1) % 3) + 1;
3036	selection.clicks = clicks; /* save clicks so extend will work */	3071	selection.clicks = clicks; /* save clicks so extend will work */
3037		3072
		3073	if (clicks == 2 && !selection.rect
		3074	&& HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
		3075	{
		3076	MEvent.clicks = 1; // what a mess
		3077	selection.screen = current_screen;
		3078	selection.op = SELECTION_CONT;
		3079	return;
		3080	}
		3081
3038	selection_start_colrow (Pixel2Col (x), Pixel2Row (y));	3082	selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
3039		3083
3040	if (clicks == 2 || clicks == 3)	3084	if (clicks == 2 || clicks == 3)
3041	selection_extend_colrow (selection.mark.col,	3085	selection_extend_colrow (selection.mark.col,
3042	selection.mark.row + view_start,	3086	selection.mark.row - view_start,
3043	0, /* button 3 */	3087	0, /* button 3 */
3044	1, /* button press */	3088	1, /* button press */
3045	0); /* click change */	3089	0); /* click change */
3046	}	3090	}
3047		3091
3048	/* ------------------------------------------------------------------------- */	3092	/* ------------------------------------------------------------------------- */
3049	/*	3093	/*
3050	* Mark a selection at the specified col/row	3094	* Mark a selection at the specified col/row
3051	*/	3095	*/
3052	void	3096	void
3053	rxvt_term::selection_start_colrow (int col, int row)	3097	rxvt_term::selection_start_colrow (int col, int row) NOTHROW
3054	{	3098	{
3055	want_refresh = 1;	3099	want_refresh = 1;
3056		3100
3057	selection.mark.row = row - view_start;	3101	selection.mark.row = row + view_start;
3058	selection.mark.col = col;	3102	selection.mark.col = col;
3059		3103
3060	selection.mark.row = clamp (selection.mark.row, -nsaved, nrow - 1);	3104	selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
3061	selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);	3105	selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3062		3106
3063	while (selection.mark.col > 0	3107	while (selection.mark.col > 0
3064	&& ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)	3108	&& ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
3065	--selection.mark.col;	3109	--selection.mark.col;
…		…
3084	#define DELIMIT_TEXT(x) \	3128	#define DELIMIT_TEXT(x) \
3085	(unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))	3129	(unicode::is_space (x) ? 2 : (x) <= 0xff && !!strchr (rs[Rs_cutchars], (x)))
3086	#define DELIMIT_REND(x) 1	3130	#define DELIMIT_REND(x) 1
3087		3131
3088	void	3132	void
3089	rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret)	3133	rxvt_term::selection_delimit_word (enum page_dirn dirn, const row_col_t *mark, row_col_t *ret) NOTHROW
3090	{	3134	{
3091	int col, row, dirnadd, tcol, trow, w1, w2;	3135	int col, row, dirnadd, tcol, trow, w1, w2;
3092	row_col_t bound;	3136	row_col_t bound;
3093	text_t *stp;	3137	text_t *stp;
3094	rend_t *srp;	3138	rend_t *srp;
3095		3139
3096	if (dirn == UP)	3140	if (dirn == UP)
3097	{	3141	{
3098	bound.row = - nsaved - 1;	3142	bound.row = top_row - 1;
3099	bound.col = 0;	3143	bound.col = 0;
3100	dirnadd = -1;	3144	dirnadd = -1;
3101	}	3145	}
3102	else	3146	else
3103	{	3147	{
…		…
3168	* flag == 0 ==> button 1	3212	* flag == 0 ==> button 1
3169	* flag == 1 ==> button 3 press	3213	* flag == 1 ==> button 3 press
3170	* flag == 2 ==> button 3 motion	3214	* flag == 2 ==> button 3 motion
3171	*/	3215	*/
3172	void	3216	void
3173	rxvt_term::selection_extend (int x, int y, int flag)	3217	rxvt_term::selection_extend (int x, int y, int flag) NOTHROW
3174	{	3218	{
3175	int col = clamp (Pixel2Col (x), 0, ncol);	3219	int col = clamp (Pixel2Col (x), 0, ncol);
3176	int row = clamp (Pixel2Row (y), 0, nrow - 1);	3220	int row = clamp (Pixel2Row (y), 0, nrow - 1);
3177		3221
3178	/*	3222	/*
…		…
3181	* select nothing. Otherwise, if we're to the right of the mark, you have to	3225	* select nothing. Otherwise, if we're to the right of the mark, you have to
3182	* be _past_ a character for it to be selected.	3226	* be _past_ a character for it to be selected.
3183	*/	3227	*/
3184	if (((selection.clicks % 3) == 1) && !flag	3228	if (((selection.clicks % 3) == 1) && !flag
3185	&& (col == selection.mark.col	3229	&& (col == selection.mark.col
3186	&& (row == selection.mark.row + view_start)))	3230	&& (row == selection.mark.row - view_start)))
3187	{	3231	{
3188	/* select nothing */	3232	/* select nothing */
3189	selection.beg.row = selection.end.row = 0;	3233	selection.beg.row = selection.end.row = 0;
3190	selection.beg.col = selection.end.col = 0;	3234	selection.beg.col = selection.end.col = 0;
3191	selection.clicks = 4;	3235	selection.clicks = 4;
…		…
3204	/* ------------------------------------------------------------------------- */	3248	/* ------------------------------------------------------------------------- */
3205	/*	3249	/*
3206	* Extend the selection to the specified col/row	3250	* Extend the selection to the specified col/row
3207	*/	3251	*/
3208	void	3252	void
3209	rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange)	3253	rxvt_term::selection_extend_colrow (int32_t col, int32_t row, int button3, int buttonpress, int clickchange) NOTHROW
3210	{	3254	{
3211	row_col_t pos;	3255	row_col_t pos;
3212	enum {	3256	enum {
3213	LEFT, RIGHT	3257	LEFT, RIGHT
3214	} closeto = RIGHT;	3258	} closeto = RIGHT;
…		…
3246	selection.beg.col = selection.end.col = selection.mark.col;	3290	selection.beg.col = selection.end.col = selection.mark.col;
3247	selection.beg.row = selection.end.row = selection.mark.row;	3291	selection.beg.row = selection.end.row = selection.mark.row;
3248	}	3292	}
3249		3293
3250	pos.col = col;	3294	pos.col = col;
3251	pos.row = row - view_start;	3295	pos.row = view_start + row;
3252		3296
3253	/*	3297	/*
3254	* This is mainly xterm style selection with a couple of differences, mainly	3298	* This is mainly xterm style selection with a couple of differences, mainly
3255	* in the way button3 drag extension works.	3299	* in the way button3 drag extension works.
3256	* We're either doing: button1 drag; button3 press; or button3 drag	3300	* We're either doing: button1 drag; button3 press; or button3 drag
…		…
3337	else if (selection.clicks == 2)	3381	else if (selection.clicks == 2)
3338	{	3382	{
3339	if (ROWCOL_IS_AFTER (selection.end, selection.beg))	3383	if (ROWCOL_IS_AFTER (selection.end, selection.beg))
3340	selection.end.col--;	3384	selection.end.col--;
3341		3385
3342	if (!HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
3343	{
3344	selection_delimit_word (UP, &selection.beg, &selection.beg);	3386	selection_delimit_word (UP, &selection.beg, &selection.beg);
3345	selection_delimit_word (DN, &selection.end, &selection.end);	3387	selection_delimit_word (DN, &selection.end, &selection.end);
3346	}
3347	}	3388	}
3348	else if (selection.clicks == 3)	3389	else if (selection.clicks == 3)
3349	{	3390	{
3350	#if ENABLE_FRILLS	3391	#if ENABLE_FRILLS
3351	if (OPTION (Opt_tripleclickwords))	3392	if (OPTION (Opt_tripleclickwords))
…		…
3403	#endif	3444	#endif
3404	}	3445	}
3405		3446
3406	#if ENABLE_FRILLS	3447	#if ENABLE_FRILLS
3407	void	3448	void
3408	rxvt_term::selection_remove_trailing_spaces ()	3449	rxvt_term::selection_remove_trailing_spaces () NOTHROW
3409	{	3450	{
3410	int32_t end_col, end_row;	3451	int32_t end_col, end_row;
3411	text_t *stp;	3452	text_t *stp;
3412		3453
3413	end_col = selection.end.col;	3454	end_col = selection.end.col;
…		…
3451	/*	3492	/*
3452	* Double click on button 3 when already selected	3493	* Double click on button 3 when already selected
3453	* EXT: button 3 double click	3494	* EXT: button 3 double click
3454	*/	3495	*/
3455	void	3496	void
3456	rxvt_term::selection_rotate (int x, int y)	3497	rxvt_term::selection_rotate (int x, int y) NOTHROW
3457	{	3498	{
3458	selection.clicks = selection.clicks % 3 + 1;	3499	selection.clicks = selection.clicks % 3 + 1;
3459	selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);	3500	selection_extend_colrow (Pixel2Col (x), Pixel2Row (y), 1, 0, 1);
3460	}	3501	}
3461		3502
…		…
3463	/*	3504	/*
3464	* Respond to a request for our current selection	3505	* Respond to a request for our current selection
3465	* EXT: SelectionRequest	3506	* EXT: SelectionRequest
3466	*/	3507	*/
3467	void	3508	void
3468	rxvt_term::selection_send (const XSelectionRequestEvent &rq)	3509	rxvt_term::selection_send (const XSelectionRequestEvent &rq) NOTHROW
3469	{	3510	{
3470	XSelectionEvent ev;	3511	XSelectionEvent ev;
3471	dDisp;	3512	dDisp;
3472		3513
3473	ev.type = SelectionNotify;	3514	ev.type = SelectionNotify;
…		…
3601		3642
3602	/*	3643	/*
3603	* return col/row values corresponding to x/y pixel values	3644	* return col/row values corresponding to x/y pixel values
3604	*/	3645	*/
3605	void	3646	void
3606	rxvt_term::pixel_position (int *x, int *y)	3647	rxvt_term::pixel_position (int *x, int *y) NOTHROW
3607	{	3648	{
3608	*x = Pixel2Col (*x);	3649	*x = Pixel2Col (*x);
3609	/* max_it (*x, 0); min_it (*x, (int)ncol - 1); */	3650	/* max_it (*x, 0); min_it (*x, (int)ncol - 1); */
3610	*y = Pixel2Row (*y);	3651	*y = Pixel2Row (*y);
3611	/* max_it (*y, 0); min_it (*y, (int)nrow - 1); */	3652	/* max_it (*y, 0); min_it (*y, (int)nrow - 1); */
3612	}	3653	}
3613		3654
3614	/* ------------------------------------------------------------------------- */	3655	/* ------------------------------------------------------------------------- */
3615	#ifdef USE_XIM	3656	#ifdef USE_XIM
3616	void	3657	void
3617	rxvt_term::im_set_position (XPoint &pos)	3658	rxvt_term::im_set_position (XPoint &pos) NOTHROW
3618	{	3659	{
3619	XWindowAttributes xwa;	3660	XWindowAttributes xwa;
3620		3661
3621	XGetWindowAttributes (display->display, vt, &xwa);	3662	XGetWindowAttributes (display->display, vt, &xwa);
3622		3663
…		…
3625	}	3666	}
3626	#endif	3667	#endif
3627		3668
3628	#if ENABLE_OVERLAY	3669	#if ENABLE_OVERLAY
3629	void	3670	void
3630	rxvt_term::scr_overlay_new (int x, int y, int w, int h)	3671	rxvt_term::scr_overlay_new (int x, int y, int w, int h) NOTHROW
3631	{	3672	{
3632	if (nrow < 1 || ncol < 1)	3673	if (nrow < 1 || ncol < 1)
3633	return;	3674	return;
3634		3675
3635	want_refresh = 1;	3676	want_refresh = 1;
…		…
3680	*rp = r;	3721	*rp = r;
3681	}	3722	}
3682	}	3723	}
3683		3724
3684	void	3725	void
3685	rxvt_term::scr_overlay_off ()	3726	rxvt_term::scr_overlay_off () NOTHROW
3686	{	3727	{
3687	if (!ov_text)	3728	if (!ov_text)
3688	return;	3729	return;
3689		3730
3690	want_refresh = 1;	3731	want_refresh = 1;
…		…
3698	delete [] ov_text; ov_text = 0;	3739	delete [] ov_text; ov_text = 0;
3699	delete [] ov_rend; ov_rend = 0;	3740	delete [] ov_rend; ov_rend = 0;
3700	}	3741	}
3701		3742
3702	void	3743	void
3703	rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend)	3744	rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3704	{	3745	{
3705	if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2)	3746	if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2)
3706	return;	3747	return;
3707		3748
3708	x++, y++;	3749	x++, y++;
…		…
3710	ov_text[y][x] = text;	3751	ov_text[y][x] = text;
3711	ov_rend[y][x] = rend;	3752	ov_rend[y][x] = rend;
3712	}	3753	}
3713		3754
3714	void	3755	void
3715	rxvt_term::scr_overlay_set (int x, int y, const char *s)	3756	rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3716	{	3757	{
3717	while (*s)	3758	while (*s)
3718	scr_overlay_set (x++, y, *s++);	3759	scr_overlay_set (x++, y, *s++);
3719	}	3760	}
3720		3761
3721	void	3762	void
3722	rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s)	3763	rxvt_term::scr_overlay_set (int x, int y, const wchar_t *s) NOTHROW
3723	{	3764	{
3724	while (*s)	3765	while (*s)
3725	{	3766	{
3726	text_t t = *s++;	3767	text_t t = *s++;
3727	int width = wcwidth (t);	3768	int width = wcwidth (t);
…		…
3733	}	3774	}
3734	}	3775	}
3735	}	3776	}
3736		3777
3737	void	3778	void
3738	rxvt_term::scr_swap_overlay ()	3779	rxvt_term::scr_swap_overlay () NOTHROW
3739	{	3780	{
3740	if (!ov_text)	3781	if (!ov_text)
3741	return;	3782	return;
3742		3783
3743	// swap screen mem with overlay	3784	// swap screen mem with overlay
3744	for (int y = ov_h; y--; )	3785	for (int y = ov_h; y--; )
3745	{	3786	{
3746	text_t *t1 = ov_text[y];	3787	text_t *t1 = ov_text[y];
3747	rend_t *r1 = ov_rend[y];	3788	rend_t *r1 = ov_rend[y];
3748		3789
3749	text_t *t2 = ROW(y + ov_y - view_start).t + ov_x;	3790	text_t *t2 = ROW(y + ov_y + view_start).t + ov_x;
3750	rend_t *r2 = ROW(y + ov_y - view_start).r + ov_x;	3791	rend_t *r2 = ROW(y + ov_y + view_start).r + ov_x;
3751		3792
3752	for (int x = ov_w; x--; )	3793	for (int x = ov_w; x--; )
3753	{	3794	{
3754	text_t t = *t1; *t1++ = *t2; *t2++ = t;	3795	text_t t = *t1; *t1++ = *t2; *t2++ = t;
3755	rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));	3796	rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));

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