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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.193 by root, Thu Dec 22 19:39:29 2005 UTC vs.
Revision 1.240 by root, Thu Jan 19 17:21:20 2006 UTC

1	/*--------------------------------*-C-*--------------------------------------*	1	/*--------------------------------*-C-*--------------------------------------*
2	* File: screen.C	2	* File: screen.C
3	*---------------------------------------------------------------------------*	3	*---------------------------------------------------------------------------*
4	*	4	*
5	* Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com>	5	* Copyright (c) 1997-2001 Geoff Wing <gcw@pobox.com>
6	* Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com>	6	* Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
7	*	7	*
8	* This program is free software; you can redistribute it and/or modify	8	* This program is free software; you can redistribute it and/or modify
9	* it under the terms of the GNU General Public License as published by	9	* it under the terms of the GNU General Public License as published by
10	* the Free Software Foundation; either version 2 of the License, or	10	* the Free Software Foundation; either version 2 of the License, or
11	* (at your option) any later version.	11	* (at your option) any later version.
…		…
24	* This file handles _all_ screen updates and selections	24	* This file handles _all_ screen updates and selections
25	*/	25	*/
26		26
27	#include "../config.h" /* NECESSARY */	27	#include "../config.h" /* NECESSARY */
28	#include "rxvt.h" /* NECESSARY */	28	#include "rxvt.h" /* NECESSARY */
		29	#include "rxvtperl.h" /* NECESSARY */
29		30
30	#include <X11/Xmd.h> /* get the typedef for CARD32 */	31	#include <X11/Xmd.h> /* get the typedef for CARD32 */
31		32
32	#include <inttypes.h>	33	#include <inttypes.h>
33		34
…		…
46		47
47	/* ------------------------------------------------------------------------- *	48	/* ------------------------------------------------------------------------- *
48	* GENERAL SCREEN AND SELECTION UPDATE ROUTINES *	49	* GENERAL SCREEN AND SELECTION UPDATE ROUTINES *
49	* ------------------------------------------------------------------------- */	50	* ------------------------------------------------------------------------- */
50	#define ZERO_SCROLLBACK() \	51	#define ZERO_SCROLLBACK() \
51	if (options & Opt_scrollTtyOutput) \	52	if (OPTION (Opt_scrollTtyOutput)) \
52	view_start = 0	53	view_start = 0
53	#define CLEAR_SELECTION() \	54	#define CLEAR_SELECTION() \
54	selection.beg.row = selection.beg.col \	55	selection.beg.row = selection.beg.col \
55	= selection.end.row = selection.end.col = 0	56	= selection.end.row = selection.end.col = 0
56	#define CLEAR_ALL_SELECTION() \	57	#define CLEAR_ALL_SELECTION() \
…		…
114	* SCREEN `COMMON' ROUTINES *	115	* SCREEN `COMMON' ROUTINES *
115	* ------------------------------------------------------------------------- */	116	* ------------------------------------------------------------------------- */
116		117
117	/* Fill part/all of a line with blanks. */	118	/* Fill part/all of a line with blanks. */
118	void	119	void
119	rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs)	120	rxvt_term::scr_blank_line (line_t &l, unsigned int col, unsigned int width, rend_t efs) const
120	{	121	{
121	if (!l.t)	122	if (!l.t)
122	{	123	{
123	lalloc (l);	124	lalloc (l);
124	col = 0;	125	col = 0;
125	width = ncol;	126	width = ncol;
126	}	127	}
127		128
		129	l.touch ();
		130
128	efs &= ~RS_baseattrMask;	131	efs &= ~RS_baseattrMask;
129	efs = SET_FONT (efs, FONTSET (efs)->find_font (' '));	132	efs = SET_FONT (efs, FONTSET (efs)->find_font (' '));
130		133
131	text_t *et = l.t + col;	134	text_t *et = l.t + col;
132	rend_t *er = l.r + col;	135	rend_t *er = l.r + col;
…		…
139	}	142	}
140		143
141	/* ------------------------------------------------------------------------- */	144	/* ------------------------------------------------------------------------- */
142	/* Fill a full line with blanks - make sure it is allocated first */	145	/* Fill a full line with blanks - make sure it is allocated first */
143	void	146	void
144	rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs)	147	rxvt_term::scr_blank_screen_mem (line_t &l, rend_t efs) const
145	{	148	{
146	scr_blank_line (l, 0, ncol, efs);	149	scr_blank_line (l, 0, ncol, efs);
		150
		151	l.l = 0;
		152	l.f = 0;
147	}	153	}
148		154
149	/* ------------------------------------------------------------------------- *	155	/* ------------------------------------------------------------------------- *
150	* SCREEN INITIALISATION *	156	* SCREEN INITIALISATION *
151	* ------------------------------------------------------------------------- */	157	* ------------------------------------------------------------------------- */
…		…
173	if (nrow + saveLines < 2)	179	if (nrow + saveLines < 2)
174	{	180	{
175	//TODO//FIXME	181	//TODO//FIXME
176	saveLines++;	182	saveLines++;
177	prev_nrow--;	183	prev_nrow--;
178	nsaved++;	184	top_row--;
179	}	185	}
180		186
181	want_refresh = 1;	187	want_refresh = 1;
182		188
183	int prev_total_rows = prev_nrow + saveLines;	189	int prev_total_rows = prev_nrow + saveLines;
…		…
188		194
189	if (!row_buf)	195	if (!row_buf)
190	{	196	{
191	/*	197	/*
192	* first time called so just malloc everything: don't rely on realloc	198	* first time called so just malloc everything: don't rely on realloc
193	* Note: this is still needed so that all the scrollback lines are NULL
194	*/	199	*/
195	nsaved = 0; /* no saved lines */	200	top_row = 0; /* no saved lines */
196	term_start = 0;	201	term_start = 0;
197		202
198	talloc = new rxvt_salloc (ncol * sizeof (text_t));	203	talloc = new rxvt_salloc (ncol * sizeof (text_t));
199	ralloc = new rxvt_salloc (ncol * sizeof (rend_t));	204	ralloc = new rxvt_salloc (ncol * sizeof (rend_t));
200		205
201	row_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));	206	row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
202	temp_buf = (line_t *)rxvt_calloc (total_rows, sizeof (line_t));
203	drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));	207	drawn_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
204	swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));	208	swap_buf = (line_t *)rxvt_calloc (nrow , sizeof (line_t));
205		209
206	for (int row = nrow; row--; )	210	for (int row = nrow; row--; )
207	{	211	{
208	scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);	212	scr_blank_screen_mem (ROW (row), DEFAULT_RSTYLE);
209	scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);	213	scr_blank_screen_mem (swap_buf [row], DEFAULT_RSTYLE);
…		…
235	CLEAR_ALL_SELECTION ();	239	CLEAR_ALL_SELECTION ();
236	rvideo = 0;	240	rvideo = 0;
237	}	241	}
238	else	242	else
239	{	243	{
		244	CLEAR_ALL_SELECTION ();
		245
240	/*	246	/*
241	* add or delete rows as appropriate	247	* add or delete rows as appropriate
242	*/	248	*/
243		249
244	rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));	250	rxvt_salloc *old_ta = talloc; talloc = new rxvt_salloc (ncol * sizeof (text_t));
…		…
254	}	260	}
255	}	261	}
256	#endif	262	#endif
257		263
258	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));
259	temp_buf = (line_t *)rxvt_realloc (temp_buf , nrow * sizeof (line_t));
260	swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));	265	swap_buf = (line_t *)rxvt_realloc (swap_buf , nrow * sizeof (line_t));
261		266
262	for (int row = min (nrow, prev_nrow); row--; )	267	for (int row = min (nrow, prev_nrow); row--; )
263	{	268	{
264	lresize (drawn_buf[row]);	269	lresize (drawn_buf[row]);
…		…
269	{	274	{
270	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);
271	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);
272	}	277	}
273		278
		279	line_t *old_buf = row_buf;
274	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));
275		281
276	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
277	int pend = MOD (term_start - nsaved , prev_total_rows);	283	int pend = MOD (term_start + top_row , prev_total_rows);
278	int q = total_rows; // rewrapped row	284	int q = total_rows; // rewrapped row
279		285
280	if (nsaved)	286	if (top_row)
281	{	287	{
282	// 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
283	// to come up with a lean and mean algorithm.	289	// to come up with a lean and mean algorithm.
284		290
285	row_col_t ocur = screen.cur;	291	row_col_t ocur = screen.cur;
…		…
289	{	295	{
290	p = MOD (p - 1, prev_total_rows);	296	p = MOD (p - 1, prev_total_rows);
291	#ifdef DEBUG_STRICT	297	#ifdef DEBUG_STRICT
292	assert (old_buf [MOD (p, prev_total_rows)].t);	298	assert (old_buf [MOD (p, prev_total_rows)].t);
293	#endif	299	#endif
294
295	int plines = 1;	300	int plines = 1;
296	int llen = old_buf [MOD (p, prev_total_rows)].l;	301	int llen = old_buf [MOD (p, prev_total_rows)].l;
297		302
298	while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())	303	while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())
299	{	304	{
…		…
317	// re-assemble the full line by destination lines	322	// re-assemble the full line by destination lines
318	for (int qrow = q; qlines--; qrow++)	323	for (int qrow = q; qlines--; qrow++)
319	{	324	{
320	qline = row_buf + qrow;	325	qline = row_buf + qrow;
321	lalloc (*qline);	326	lalloc (*qline);
		327	qline->l = ncol;
322	qline->set_is_longer ();	328	qline->is_longer (1);
323		329
324	int qcol = 0;	330	int qcol = 0;
325		331
		332	// see below for cursor adjustment rationale
		333	if (p == ocur.row)
		334	screen.cur.row = q - (total_rows - nrow);
		335
326	// fill a single destination line	336	// fill a single destination line
327	while (lofs < llen && qcol < ncol)	337	while (lofs < llen && qcol < ncol)
328	{	338	{
329	int prow = lofs / prev_ncol;	339	int prow = lofs / prev_ncol;
330	int pcol = lofs % prev_ncol;	340	int pcol = lofs % prev_ncol;
…		…
351	lofs += len;	361	lofs += len;
352	qcol += len;	362	qcol += len;
353	}	363	}
354	}	364	}
355		365
356	qline->l = llen < ncol ? llen : MOD (llen - 1, ncol) + 1;	366	qline->l = llen ? MOD (llen - 1, ncol) + 1 : 0;
		367	qline->is_longer (0);
357	scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);	368	scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
358	}	369	}
359	while (p != pend && q > 0);	370	while (p != pend && q > 0);
360		371
361	term_start = total_rows - nrow;	372	term_start = total_rows - nrow;
362	nsaved = term_start - q;	373	top_row = q - term_start;
363		374
364	// make sure all terminal lines exist	375	// make sure all terminal lines exist
365	while (nsaved < 0)	376	while (top_row > 0)
366	scr_blank_screen_mem (ROW (-++nsaved), DEFAULT_RSTYLE);	377	scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
367
368	}	378	}
369	else	379	else
370	{	380	{
371	// if no scrollback exists (yet), wing, instead of wrap	381	// if no scrollback exists (yet), wing, instead of wrap
372		382
…		…
385	}	395	}
386		396
387	term_start = 0;	397	term_start = 0;
388	}	398	}
389		399
390	#ifdef DEBUG_STRICT //TODO: remove
391	for (int i = -nsaved; i < nrow; i++)
392	assert (ROW (i).t);
393	#endif
394
395	free (old_buf);	400	free (old_buf);
396	delete old_ta;	401	delete old_ta;
397	delete old_ra;	402	delete old_ra;
398		403
399	clamp_it (screen.cur.row, 0, nrow - 1);	404	clamp_it (screen.cur.row, 0, nrow - 1);
…		…
410		415
411	for (int col = ncol; col--; )	416	for (int col = ncol; col--; )
412	tabs [col] = col % TABSIZE == 0;	417	tabs [col] = col % TABSIZE == 0;
413		418
414	tt_winch ();	419	tt_winch ();
		420
		421	HOOK_INVOKE ((this, HOOK_RESET, DT_END));
415	}	422	}
416		423
417	/* ------------------------------------------------------------------------- */	424	/* ------------------------------------------------------------------------- */
418	/*	425	/*
419	* Free everything. That way malloc debugging can find leakage.	426	* Free everything. That way malloc debugging can find leakage.
…		…
425	delete ralloc; ralloc = 0;	432	delete ralloc; ralloc = 0;
426		433
427	free (row_buf);	434	free (row_buf);
428	free (swap_buf);	435	free (swap_buf);
429	free (drawn_buf);	436	free (drawn_buf);
430	free (temp_buf);
431	free (tabs);	437	free (tabs);
432		438
433	row_buf = 0; // signal that we freed all the arrays	439	row_buf = 0; // signal that we freed all the arrays
434	}	440	}
435		441
…		…
443	scr_release ();	449	scr_release ();
444	prev_nrow = prev_ncol = 0;	450	prev_nrow = prev_ncol = 0;
445	scr_reset ();	451	scr_reset ();
446		452
447	scr_clear (true);	453	scr_clear (true);
448	scr_refresh (SLOW_REFRESH);	454	scr_refresh ();
449	}	455	}
450		456
451	/* ------------------------------------------------------------------------- *	457	/* ------------------------------------------------------------------------- *
452	* PROCESS SCREEN COMMANDS *	458	* PROCESS SCREEN COMMANDS *
453	* ------------------------------------------------------------------------- */	459	* ------------------------------------------------------------------------- */
…		…
523		529
524	screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);	530	screen.cur.row = clamp (screen.cur.row, 0, prev_nrow - 1);
525	screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);	531	screen.cur.col = clamp (screen.cur.col, 0, prev_ncol - 1);
526		532
527	#if NSCREENS	533	#if NSCREENS
528	if (options & Opt_secondaryScreen)	534	if (OPTION (Opt_secondaryScreen))
529	{	535	{
530	num_scr = 0;	536	num_scr = 0;
531		537
532	for (int i = prev_nrow; i--; )	538	for (int i = prev_nrow; i--; )
533	::swap (ROW(i), swap_buf [i]);	539	::swap (ROW(i), swap_buf [i]);
…		…
537	screen.flags |= Screen_VisibleCursor;	543	screen.flags |= Screen_VisibleCursor;
538	swap.flags |= Screen_VisibleCursor;	544	swap.flags |= Screen_VisibleCursor;
539	}	545	}
540	else	546	else
541	#endif	547	#endif
542	if (options & Opt_secondaryScroll)	548	if (OPTION (Opt_secondaryScroll))
543	scr_scroll_text (0, prev_nrow - 1, prev_nrow);	549	scr_scroll_text (0, prev_nrow - 1, prev_nrow);
544		550
545	return scrn;	551	return scrn;
546	}	552	}
547		553
…		…
567	* Change the colour for following text	573	* Change the colour for following text
568	*/	574	*/
569	void	575	void
570	rxvt_term::scr_color (unsigned int color, int fgbg)	576	rxvt_term::scr_color (unsigned int color, int fgbg)
571	{	577	{
572	if (color > maxTermCOLOR)	578	if (!IN_RANGE_INC (color, minCOLOR, maxTermCOLOR))
573	color = fgbg;	579	color = fgbg;
574		580
575	if (fgbg == Color_fg)	581	if (fgbg == Color_fg)
576	rstyle = SET_FGCOLOR (rstyle, color);	582	rstyle = SET_FGCOLOR (rstyle, color);
577	else	583	else
…		…
608	want_refresh = 1;	614	want_refresh = 1;
609	num_scr += count;	615	num_scr += count;
610		616
611	if (count > 0	617	if (count > 0
612	&& row1 == 0	618	&& row1 == 0
613	&& row2 == nrow - 1
614	&& (current_screen == PRIMARY || options & Opt_secondaryScroll))	619	&& (current_screen == PRIMARY || OPTION (Opt_secondaryScroll)))
615	{	620	{
616	nsaved = min (nsaved + count, saveLines);	621	top_row = max (top_row - count, -saveLines);
		622
		623	// scroll everything up 'count' lines
617	term_start = (term_start + count) % total_rows;	624	term_start = (term_start + count) % total_rows;
618		625
		626	// sever bottommost line
		627	{
		628	line_t &l = ROW(row2 - count);
		629	l.is_longer (0);
		630	l.touch ();
		631	}
		632
		633	// erase newly scrolled-in lines
		634	for (int i = count; i--; )
		635	{
		636	// basically this is a slightly optimized scr_blank_screen_mem
		637	// it is worth the effort on slower machines
		638	line_t &l = ROW(nrow - 1 - i);
		639
		640	scr_blank_line (l, 0, l.l, rstyle);
		641
		642	l.l = 0;
		643	l.f = 0;
		644	}
		645
		646	// now copy lines below the scroll region bottom to the
		647	// bottom of the screen again, so they look as if they
		648	// hadn't moved.
		649	for (int i = nrow; --i > row2; )
		650	{
		651	line_t &l1 = ROW(i - count);
		652	line_t &l2 = ROW(i);
		653
		654	::swap (l1, l2);
		655	l2.touch ();
		656	}
		657
		658	// move and/or clear selection, if any
619	if (selection.op && current_screen == selection.screen)	659	if (selection.op && current_screen == selection.screen)
620	{	660	{
621	selection.beg.row -= count;	661	selection.beg.row -= count;
622	selection.end.row -= count;	662	selection.end.row -= count;
623	selection.mark.row -= count;	663	selection.mark.row -= count;
624		664
625	selection_check (0);	665	if (selection.beg.row < top_row
626	}	666	|| selection.end.row < top_row
627		667	|| selection.mark.row < top_row)
628	for (int i = count; i--; )
629	scr_blank_screen_mem (ROW(row2 - i), rstyle);
630
631	if ((options & Opt_scrollWithBuffer)
632	&& view_start != 0
633	&& view_start != saveLines)
634	scr_page (UP, count);
635	}
636	else
637	{
638	if (selection.op && current_screen == selection.screen)
639	{
640	int i = selection.beg.row;
641	int j = selection.end.row;
642
643	if ((i < row1 && j > row1)
644	|| (i < row2 && j > row2)
645	|| (i - count < row1 && i >= row1)
646	|| (i - count > row2 && i <= row2)
647	|| (j - count < row1 && j >= row1)
648	|| (j - count > row2 && j <= row2))
649	{	668	{
650	CLEAR_ALL_SELECTION ();	669	CLEAR_ALL_SELECTION ();
651	selection.op = SELECTION_CLEAR; /* XXX: too aggressive? */	670	selection.op = SELECTION_CLEAR;
652	}	671	}
653	else if (j >= row1 && j <= row2)	672	}
		673
		674	// finally move the view window, if desired
		675	if (OPTION (Opt_scrollWithBuffer)
		676	&& view_start != 0
		677	&& view_start != -saveLines)
		678	scr_page (UP, count);
		679
		680	if (SHOULD_INVOKE (HOOK_SCROLL_BACK))
		681	HOOK_INVOKE ((this, HOOK_SCROLL_BACK, DT_INT, count, DT_INT, top_row, DT_END));
		682	}
		683	else
		684	{
		685	if (selection.op && current_screen == selection.screen)
		686	{
		687	if ((selection.beg.row < row1 && selection.end.row > row1)
		688	|| (selection.beg.row < row2 && selection.end.row > row2)
		689	|| (selection.beg.row - count < row1 && selection.beg.row >= row1)
		690	|| (selection.beg.row - count > row2 && selection.beg.row <= row2)
		691	|| (selection.end.row - count < row1 && selection.end.row >= row1)
		692	|| (selection.end.row - count > row2 && selection.end.row <= row2))
		693	{
		694	CLEAR_ALL_SELECTION ();
		695	selection.op = SELECTION_CLEAR;
		696	}
		697	else if (selection.end.row >= row1 && selection.end.row <= row2)
654	{	698	{
655	/* move selected region too */	699	/* move selected region too */
656	selection.beg.row -= count;	700	selection.beg.row -= count;
657	selection.end.row -= count;	701	selection.end.row -= count;
658	selection.mark.row -= count;	702	selection.mark.row -= count;
…		…
666		710
667	int rows = row2 - row1 + 1;	711	int rows = row2 - row1 + 1;
668		712
669	min_it (count, rows);	713	min_it (count, rows);
670		714
		715	line_t *temp_buf = row_buf + total_rows;
		716
671	for (int row = 0; row < rows; row++)	717	for (int row = 0; row < rows; row++)
672	{	718	{
673	temp_buf [row] = ROW(row1 + (row + count + rows) % rows);	719	temp_buf [row] = ROW(row1 + (row + count + rows) % rows);
674		720
675	if (!IN_RANGE_EXC (row + count, 0, rows))	721	if (!IN_RANGE_EXC (row + count, 0, rows))
…		…
686	/* ------------------------------------------------------------------------- */	732	/* ------------------------------------------------------------------------- */
687	/*	733	/*
688	* Add text given in <str> of length <len> to screen struct	734	* Add text given in <str> of length <len> to screen struct
689	*/	735	*/
690	void	736	void
691	rxvt_term::scr_add_lines (const unicode_t *str, int nlines, int len)	737	rxvt_term::scr_add_lines (const wchar_t *str, int len, int minlines)
692	{	738	{
693	if (len <= 0) /* sanity */	739	if (len <= 0) /* sanity */
694	return;	740	return;
695		741
696	unsigned char checksel;	742	unsigned char checksel;
697	unicode_t c;	743	unicode_t c;
698	int last_col;	744	int ncol = this->ncol;
699	const unicode_t *strend = str + len;	745	const wchar_t *strend = str + len;
700		746
701	want_refresh = 1;	747	want_refresh = 1;
702	ZERO_SCROLLBACK ();	748	ZERO_SCROLLBACK ();
703	last_col = ncol;
704		749
705	if (nlines > 0)	750	if (minlines > 0)
706	{	751	{
707	nlines += screen.cur.row - screen.bscroll;	752	minlines += screen.cur.row - screen.bscroll;
		753
708	if (nlines > 0	754	if (minlines > 0
709	&& screen.tscroll == 0	755	&& screen.tscroll == 0
710	&& screen.bscroll == (nrow - 1))	756	&& screen.bscroll == nrow - 1)
711	{	757	{
712	/* _at least_ this many lines need to be scrolled */	758	/* _at least_ this many lines need to be scrolled */
713	scr_scroll_text (screen.tscroll, screen.bscroll, nlines);	759	scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
714	screen.cur.row -= nlines;	760	screen.cur.row -= minlines;
715	}	761	}
716	}	762	}
717		763
718	#ifdef DEBUG_STRICT	764	#ifdef DEBUG_STRICT
719	assert (screen.cur.col < last_col);	765	assert (screen.cur.col < ncol);
720	assert (screen.cur.row < nrow	766	assert (screen.cur.row < nrow
721	&& screen.cur.row >= -nsaved);	767	&& screen.cur.row >= top_row);
722	#endif	768	#endif
723	int row = screen.cur.row;	769	int row = screen.cur.row;
724		770
725	checksel = selection.op && current_screen == selection.screen ? 1 : 0;	771	checksel = selection.op && current_screen == selection.screen ? 1 : 0;
726		772
727	line_t *line = &ROW(row);	773	line_t *line = &ROW(row);
728		774
729	while (str < strend)	775	while (str < strend)
730	{	776	{
731	c = *str++;	777	c = (unicode_t)*str++; // convert to rxvt-unicodes representation
732		778
733	if (c < 0x20)	779	if (c < 0x20)
734	if (c == C0_LF)	780	if (c == C0_LF)
735	{	781	{
736	if (!line->is_longer ()) /* XXX: think about this */
737	max_it (line->l, screen.cur.col);	782	max_it (line->l, screen.cur.col);
738		783
739	screen.flags &= ~Screen_WrapNext;	784	screen.flags &= ~Screen_WrapNext;
740		785
741	if (screen.cur.row == screen.bscroll)	786	if (screen.cur.row == screen.bscroll)
742	scr_scroll_text (screen.tscroll, screen.bscroll, 1);	787	scr_scroll_text (screen.tscroll, screen.bscroll, 1);
…		…
746	line = &ROW(row); /* _must_ refresh */	791	line = &ROW(row); /* _must_ refresh */
747	continue;	792	continue;
748	}	793	}
749	else if (c == C0_CR)	794	else if (c == C0_CR)
750	{	795	{
751	if (!line->is_longer ()) /* XXX: think about this */
752	max_it (line->l, screen.cur.col);	796	max_it (line->l, screen.cur.col);
753		797
754	screen.flags &= ~Screen_WrapNext;	798	screen.flags &= ~Screen_WrapNext;
755	screen.cur.col = 0;	799	screen.cur.col = 0;
756	continue;	800	continue;
757	}	801	}
…		…
774	CLEAR_SELECTION ();	818	CLEAR_SELECTION ();
775	}	819	}
776		820
777	if (screen.flags & Screen_WrapNext)	821	if (screen.flags & Screen_WrapNext)
778	{	822	{
779	line->set_is_longer ();
780
781	scr_do_wrap ();	823	scr_do_wrap ();
782		824
		825	line->l = ncol;
		826	line->is_longer (1);
		827
783	row = screen.cur.row;	828	row = screen.cur.row;
784	line = &ROW(row); /* _must_ refresh */	829	line = &ROW(row); /* _must_ refresh */
785	}	830	}
786		831
787	// some utf-8 decoders "decode" surrogate characters: let's fix this.	832	// some utf-8 decoders "decode" surrogate characters: let's fix this.
…		…
792	// do wcwidth before further replacements, as wcwidth might return -1	837	// do wcwidth before further replacements, as wcwidth might return -1
793	// for the line drawing characters below as they might be invalid in the current	838	// for the line drawing characters below as they might be invalid in the current
794	// locale.	839	// locale.
795	int width = c < 0x100 ? 1 : wcwidth (c);	840	int width = c < 0x100 ? 1 : wcwidth (c);
796		841
797	if (charsets[screen.charset] == '0') // DEC SPECIAL	842	if (charsets [screen.charset] == '0') // DEC SPECIAL
798	{	843	{
799	// vt100 special graphics and line drawing	844	// vt100 special graphics and line drawing
800	// 5f-7e standard vt100	845	// 5f-7e standard vt100
801	// 40-5e rxvt extension for extra curses acs chars	846	// 40-5e rxvt extension for extra curses acs chars
802	static uint16_t vt100_0[62] = { // 41 .. 7e	847	static uint16_t vt100_0[62] = { // 41 .. 7e
…		…
854	}	899	}
855		900
856	rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));	901	rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
857		902
858	// if the character doesn't fit into the remaining columns...	903	// if the character doesn't fit into the remaining columns...
859	if (screen.cur.col > last_col - width && last_col >= width)	904	if (screen.cur.col > ncol - width && ncol >= width)
860	{	905	{
861	// ...output spaces	906	// ...output spaces
862	c = ' ';	907	c = ' ';
863	// and try the same character next loop iteration	908	// and try the same character next loop iteration
864	--str;	909	--str;
865	}	910	}
866		911
		912	line->touch ();
		913
867	do	914	do
868	{	915	{
869	line->t[screen.cur.col] = c;	916	line->t[screen.cur.col] = c;
870	line->r[screen.cur.col] = rend;	917	line->r[screen.cur.col] = rend;
871		918
872	if (screen.cur.col < last_col - 1)	919	if (screen.cur.col < ncol - 1)
873	screen.cur.col++;	920	screen.cur.col++;
874	else	921	else
875	{	922	{
876	line->l = last_col;	923	line->l = ncol;
877	if (screen.flags & Screen_Autowrap)	924	if (screen.flags & Screen_Autowrap)
878	screen.flags |= Screen_WrapNext;	925	screen.flags |= Screen_WrapNext;
879	break;	926	break;
880	}	927	}
881		928
…		…
883	}	930	}
884	while (--width > 0);	931	while (--width > 0);
885		932
886	// pad with spaces when overwriting wide character with smaller one	933	// pad with spaces when overwriting wide character with smaller one
887	if (!width)	934	if (!width)
		935	{
		936	line->touch ();
		937
888	for (int c = screen.cur.col; c < last_col && line->t[c] == NOCHAR; c++)	938	for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)
889	{	939	{
890	line->t[c] = ' ';	940	line->t[c] = ' ';
891	line->r[c] = rend;	941	line->r[c] = rend;
892	}	942	}
		943	}
893	}	944	}
894	else // width == 0	945	else // width == 0
895	{	946	{
896	#if ENABLE_COMBINING	947	#if ENABLE_COMBINING
897	// handle combining characters	948	// handle combining characters
898	// we just tag the accent on the previous on-screen character.	949	// we just tag the accent on the previous on-screen character.
899	// this is arguably not correct, but also arguably not wrong.	950	// this is arguably not correct, but also arguably not wrong.
900	// we don't handle double-width characters nicely yet.	951	// we don't handle double-width characters nicely yet.
		952	line_t *linep;
901	text_t *tp;	953	text_t *tp;
902	rend_t *rp;	954	rend_t *rp;
903		955
904	if (screen.cur.col > 0)	956	if (screen.cur.col > 0)
905	{	957	{
		958	linep = line;
906	tp = line->t + screen.cur.col - 1;	959	tp = line->t + screen.cur.col - 1;
907	rp = line->r + screen.cur.col - 1;	960	rp = line->r + screen.cur.col - 1;
908
909	while (*tp == NOCHAR && tp > line->t)
910	tp--, rp--;
911	}	961	}
912	else if (screen.cur.row > 0	962	else if (screen.cur.row > 0
913	&& ROW(screen.cur.row - 1).is_longer ())	963	&& ROW(screen.cur.row - 1).is_longer ())
914	{	964	{
915	line_t *line = &ROW(screen.cur.row - 1);	965	linep = &ROW(screen.cur.row - 1);
916
917	tp = line->t + last_col - 1;	966	tp = line->t + ncol - 1;
918	rp = line->r + last_col - 1;	967	rp = line->r + ncol - 1;
919
920	while (*tp == NOCHAR && tp > line->t)
921	tp--, rp--;
922	}	968	}
923	else	969	else
924	continue;	970	continue;
		971
		972	linep->touch ();
		973
		974	while (*tp == NOCHAR && tp > linep->t)
		975	tp--, rp--;
925		976
926	// first try to find a precomposed character	977	// first try to find a precomposed character
927	unicode_t n = rxvt_compose (*tp, c);	978	unicode_t n = rxvt_compose (*tp, c);
928	if (n == NOCHAR)	979	if (n == NOCHAR)
929	n = rxvt_composite.compose (*tp, c);	980	n = rxvt_composite.compose (*tp, c);
…		…
932	*rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));	983	*rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
933	#endif	984	#endif
934	}	985	}
935	}	986	}
936		987
937	if (!line->is_longer ()) /* XXX: think about this */
938	max_it (line->l, screen.cur.col);	988	max_it (line->l, screen.cur.col);
939		989
940	#ifdef DEBUG_STRICT	990	#ifdef DEBUG_STRICT
941	assert (screen.cur.row >= 0);	991	assert (screen.cur.row >= 0);
942	#endif	992	#endif
943	}	993	}
…		…
993		1043
994	for (; ++i < ncol; )	1044	for (; ++i < ncol; )
995	if (tabs[i])	1045	if (tabs[i])
996	{	1046	{
997	x = i;	1047	x = i;
		1048
998	if (!--count)	1049	if (!--count)
999	break;	1050	break;
1000	}	1051	}
1001	else	1052	else
1002	ht &= l.t[i] == ' '	1053	ht &= l.t[i] == ' '
…		…
1005	if (count)	1056	if (count)
1006	x = ncol - 1;	1057	x = ncol - 1;
1007		1058
1008	// store horizontal tab commands as characters inside the text	1059	// store horizontal tab commands as characters inside the text
1009	// buffer so they can be selected and pasted.	1060	// buffer so they can be selected and pasted.
1010	if (ht && options & Opt_pastableTabs)	1061	if (ht && OPTION (Opt_pastableTabs))
1011	{	1062	{
1012	base_rend = SET_FONT (base_rend, 0);	1063	base_rend = SET_FONT (base_rend, 0);
1013		1064
1014	if (!l.is_longer ()) /* XXX: think about this */	1065	l.touch (x);
1015	max_it (l.l, x);
1016		1066
1017	i = screen.cur.col;	1067	i = screen.cur.col;
1018		1068
1019	l.t[i] = '\t';	1069	l.t[i] = '\t';
1020	l.r[i] = base_rend;	1070	l.r[i] = base_rend;
…		…
1074	{	1124	{
1075	if (screen.cur.col < ncol - 1)	1125	if (screen.cur.col < ncol - 1)
1076	scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);	1126	scr_gotorc (0, 1, R_RELATIVE | C_RELATIVE);
1077	else	1127	else
1078	{	1128	{
1079	if (ROW(screen.cur.row).is_longer ()) //TODO//FIXME//LEN	1129	line_t &l = ROW(screen.cur.row);
1080	ROW(screen.cur.row).l = ncol;	1130
		1131	l.touch ();
		1132	l.is_longer (0);
1081		1133
1082	scr_gotorc (0, 0, R_RELATIVE);	1134	scr_gotorc (0, 0, R_RELATIVE);
1083	scr_insdel_chars (1, DELETE);	1135	scr_insdel_chars (1, DELETE);
1084	scr_gotorc (0, ncol - 1, R_RELATIVE);	1136	scr_gotorc (0, ncol - 1, R_RELATIVE);
1085	}	1137	}
…		…
1176	ZERO_SCROLLBACK ();	1228	ZERO_SCROLLBACK ();
1177		1229
1178	selection_check (1);	1230	selection_check (1);
1179		1231
1180	line_t &line = ROW(screen.cur.row);	1232	line_t &line = ROW(screen.cur.row);
		1233
		1234	line.touch ();
		1235	line.is_longer (0);
1181		1236
1182	switch (mode)	1237	switch (mode)
1183	{	1238	{
1184	case 0: /* erase to end of line */	1239	case 0: /* erase to end of line */
1185	col = screen.cur.col;	1240	col = screen.cur.col;
…		…
1271	CLEAR_ROWS (row, num);	1326	CLEAR_ROWS (row, num);
1272	}	1327	}
1273	else	1328	else
1274	{	1329	{
1275	ren = rstyle & (RS_fgMask | RS_bgMask);	1330	ren = rstyle & (RS_fgMask | RS_bgMask);
1276	gcvalue.foreground = pix_colors[GET_BGCOLOR (rstyle)];	1331	gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1277	XChangeGC (display->display, gc, GCForeground, &gcvalue);	1332	XChangeGC (display->display, gc, GCForeground, &gcvalue);
1278	ERASE_ROWS (row, num);	1333	ERASE_ROWS (row, num);
1279	gcvalue.foreground = pix_colors[Color_fg];	1334	gcvalue.foreground = pix_colors[Color_fg];
1280	XChangeGC (display->display, gc, GCForeground, &gcvalue);	1335	XChangeGC (display->display, gc, GCForeground, &gcvalue);
1281	}	1336	}
1282		1337
1283	for (; num--; row++)	1338	for (; num--; row++)
1284	{	1339	{
1285	scr_blank_screen_mem (ROW (row), rstyle);	1340	scr_blank_screen_mem (ROW(row), rstyle);
1286	ROW (row).l = 0;
1287	scr_blank_line (drawn_buf [row], 0, ncol, ren);	1341	scr_blank_line (drawn_buf [row], 0, ncol, ren);
1288	}	1342	}
1289	}	1343	}
1290		1344
1291	#if ENABLE_FRILLS	1345	#if ENABLE_FRILLS
…		…
1293	rxvt_term::scr_erase_savelines ()	1347	rxvt_term::scr_erase_savelines ()
1294	{	1348	{
1295	want_refresh = 1;	1349	want_refresh = 1;
1296	ZERO_SCROLLBACK ();	1350	ZERO_SCROLLBACK ();
1297		1351
1298	nsaved = 0;	1352	top_row = 0;
1299	}	1353	}
1300	#endif	1354	#endif
1301		1355
1302	/* ------------------------------------------------------------------------- */	1356	/* ------------------------------------------------------------------------- */
1303	/*	1357	/*
…		…
1324	rend_t *r1 = line.r;	1378	rend_t *r1 = line.r;
1325		1379
1326	for (int j = ncol; j--; )	1380	for (int j = ncol; j--; )
1327	*r1++ = fs;	1381	*r1++ = fs;
1328		1382
1329	line.l = ncol; /* make the `E's selectable */	1383	line.is_longer (0);
		1384	line.touch (ncol);
1330	}	1385	}
1331	}	1386	}
1332		1387
1333	/* ------------------------------------------------------------------------- */	1388	/* ------------------------------------------------------------------------- */
1334	/*	1389	/*
…		…
1382	min_it (count, ncol - screen.cur.col);	1437	min_it (count, ncol - screen.cur.col);
1383		1438
1384	row = screen.cur.row;	1439	row = screen.cur.row;
1385		1440
1386	line_t *line = &ROW(row);	1441	line_t *line = &ROW(row);
		1442
		1443	line->touch ();
		1444	line->is_longer (0);
1387		1445
1388	switch (insdel)	1446	switch (insdel)
1389	{	1447	{
1390	case INSERT:	1448	case INSERT:
1391	for (col = ncol - 1; (col - count) >= screen.cur.col; col--)	1449	for (col = ncol - 1; (col - count) >= screen.cur.col; col--)
1392	{	1450	{
1393	line->t[col] = line->t[col - count];	1451	line->t[col] = line->t[col - count];
1394	line->r[col] = line->r[col - count];	1452	line->r[col] = line->r[col - count];
1395	}	1453	}
1396		1454
1397	if (!line->is_longer ())	1455	line->l = min (line->l + count, ncol);
1398	{
1399	line->l += count;
1400	min_it (line->l, ncol);
1401	}
1402		1456
1403	if (selection.op && current_screen == selection.screen	1457	if (selection.op && current_screen == selection.screen
1404	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))	1458	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1405	{	1459	{
1406	if (selection.end.row != screen.cur.row	1460	if (selection.end.row != screen.cur.row
…		…
1419		1473
1420	case ERASE:	1474	case ERASE:
1421	screen.cur.col += count; /* don't worry if > ncol */	1475	screen.cur.col += count; /* don't worry if > ncol */
1422	selection_check (1);	1476	selection_check (1);
1423	screen.cur.col -= count;	1477	screen.cur.col -= count;
		1478
		1479	line->l = max (line->l - count, 0);
1424	scr_blank_line (*line, screen.cur.col, count, rstyle);	1480	scr_blank_line (*line, screen.cur.col, count, rstyle);
1425	break;	1481	break;
1426		1482
1427	case DELETE:	1483	case DELETE:
1428	tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask);	1484	tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask);
…		…
1431	{	1487	{
1432	line->t[col] = line->t[col + count];	1488	line->t[col] = line->t[col + count];
1433	line->r[col] = line->r[col + count];	1489	line->r[col] = line->r[col + count];
1434	}	1490	}
1435		1491
		1492	line->l = max (line->l - count, 0);
1436	scr_blank_line (*line, ncol - count, count, tr);	1493	scr_blank_line (*line, ncol - count, count, tr);
1437
1438	if (line->is_longer ()) /* break line continuation */
1439	line->l = ncol;
1440
1441	line->l = max (line->l - count, 0);
1442		1494
1443	if (selection.op && current_screen == selection.screen	1495	if (selection.op && current_screen == selection.screen
1444	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))	1496	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1445	{	1497	{
1446	if (selection.end.row != screen.cur.row	1498	if (selection.end.row != screen.cur.row
…		…
1558	rxvt_term::scr_set_tab (int mode)	1610	rxvt_term::scr_set_tab (int mode)
1559	{	1611	{
1560	if (mode < 0)	1612	if (mode < 0)
1561	memset (tabs, 0, ncol * sizeof (char));	1613	memset (tabs, 0, ncol * sizeof (char));
1562	else if (screen.cur.col < ncol)	1614	else if (screen.cur.col < ncol)
1563	tabs[screen.cur.col] = (mode ? 1 : 0);	1615	tabs [screen.cur.col] = !!mode;
1564	}	1616	}
1565		1617
1566	/* ------------------------------------------------------------------------- */	1618	/* ------------------------------------------------------------------------- */
1567	/*	1619	/*
1568	* Set reverse/normal video	1620	* Set reverse/normal video
…		…
1580	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);	1632	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1581	#if XPM_BACKGROUND	1633	#if XPM_BACKGROUND
1582	if (bgPixmap.pixmap == None)	1634	if (bgPixmap.pixmap == None)
1583	#endif	1635	#endif
1584	#if TRANSPARENT	1636	#if TRANSPARENT
1585	if (! (options & Opt_transparent) || am_transparent == 0)	1637	if (! OPTION (Opt_transparent) || am_transparent == 0)
1586	#endif	1638	#endif
1587	XSetWindowBackground (display->display, vt,	1639	XSetWindowBackground (display->display, vt,
1588	pix_colors[Color_bg]);	1640	pix_colors[Color_bg]);
1589		1641
1590	gcvalue.foreground = pix_colors[Color_fg];	1642	gcvalue.foreground = pix_colors[Color_fg];
…		…
1615	* Set font style	1667	* Set font style
1616	*/	1668	*/
1617	void	1669	void
1618	rxvt_term::set_font_style ()	1670	rxvt_term::set_font_style ()
1619	{	1671	{
		1672	#if 0
1620	switch (charsets[screen.charset])	1673	switch (charsets [screen.charset])
1621	{	1674	{
1622	case '0': /* DEC Special Character & Line Drawing Set */	1675	case '0': /* DEC Special Character & Line Drawing Set */
1623	break;	1676	break;
1624	case 'A': /* United Kingdom (UK) */	1677	case 'A': /* United Kingdom (UK) */
1625	break;	1678	break;
…		…
1632	case 'C': /* Finnish character set */	1685	case 'C': /* Finnish character set */
1633	break;	1686	break;
1634	case 'K': /* German character set */	1687	case 'K': /* German character set */
1635	break;	1688	break;
1636	}	1689	}
		1690	#endif
1637	}	1691	}
1638		1692
1639	/* ------------------------------------------------------------------------- */	1693	/* ------------------------------------------------------------------------- */
1640	/*	1694	/*
1641	* Choose a font	1695	* Choose a font
…		…
1737	}	1791	}
1738		1792
1739	for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)	1793	for (i = rc[PART_BEG].row; i <= rc[PART_END].row; i++)
1740	fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);	1794	fill_text (&drawn_buf[i].t[rc[PART_BEG].col], 0, rc[PART_END].col - rc[PART_BEG].col + 1);
1741		1795
		1796	num_scr_allow = 0;
		1797
1742	if (refresh)	1798	if (refresh)
1743	scr_refresh (SLOW_REFRESH);	1799	scr_refresh ();
1744	}	1800	}
1745		1801
1746	/* ------------------------------------------------------------------------- */	1802	/* ------------------------------------------------------------------------- */
1747	/*	1803	/*
1748	* Refresh the entire screen	1804	* Refresh the entire screen
…		…
1756	/* ------------------------------------------------------------------------- */	1812	/* ------------------------------------------------------------------------- */
1757	/*	1813	/*
1758	* Move the display so that the line represented by scrollbar value Y is at	1814	* Move the display so that the line represented by scrollbar value Y is at
1759	* the top of the screen	1815	* the top of the screen
1760	*/	1816	*/
1761	int	1817	void
1762	rxvt_term::scr_move_to (int y, int len)	1818	rxvt_term::scr_move_to (int y, int len)
1763	{	1819	{
1764	long p = 0;	1820	scr_changeview ((top_row - nrow) * (len - y) / len + (nrow - 1));
1765	unsigned int oldviewstart;
1766
1767	oldviewstart = view_start;
1768
1769	if (y < len)
1770	{
1771	p = (nrow + nsaved) * (len - y) / len;
1772	p -= (long) (nrow - 1);
1773	p = max (p, 0);
1774	}
1775
1776	view_start = (unsigned int)min (p, nsaved);
1777
1778	return scr_changeview (oldviewstart);
1779	}	1821	}
1780		1822
1781	/* ------------------------------------------------------------------------- */	1823	/* ------------------------------------------------------------------------- */
1782	/*	1824	/*
1783	* Page the screen up/down nlines	1825	* Page the screen up/down nlines
1784	* direction should be UP or DN	1826	* direction should be UP or DN
1785	*/	1827	*/
1786	int	1828	bool
1787	rxvt_term::scr_page (enum page_dirn direction, int nlines)	1829	rxvt_term::scr_page (enum page_dirn direction, int nlines)
1788	{	1830	{
1789	int n;	1831	int new_view_start =
1790	unsigned int oldviewstart;
1791
1792	oldviewstart = view_start;
1793
1794	if (direction == UP)
1795	{
1796	n = view_start + nlines;
1797	view_start = min (n, nsaved);
1798	}
1799	else
1800	{
1801	n = view_start - nlines;	1832	direction == UP ? view_start - nlines
1802	view_start = max (n, 0);	1833	: view_start + nlines;
1803	}
1804		1834
1805	return scr_changeview (oldviewstart);	1835	return scr_changeview (new_view_start);
1806	}	1836	}
1807		1837
1808	int	1838	bool
1809	rxvt_term::scr_changeview (unsigned int oldviewstart)	1839	rxvt_term::scr_changeview (int new_view_start)
1810	{	1840	{
		1841	clamp_it (new_view_start, top_row, 0);
		1842
1811	if (view_start != oldviewstart)	1843	if (new_view_start == view_start)
1812	{	1844	return false;
		1845
		1846	num_scr += new_view_start - view_start;
		1847	view_start = new_view_start;
1813	want_refresh = 1;	1848	want_refresh = 1;
1814	num_scr -= (view_start - oldviewstart);
1815	}
1816		1849
1817	return (int) (view_start - oldviewstart);	1850	HOOK_INVOKE ((this, HOOK_VIEW_CHANGE, DT_INT, view_start, DT_END));
		1851
		1852	return true;
1818	}	1853	}
1819		1854
1820	/* ------------------------------------------------------------------------- */	1855	/* ------------------------------------------------------------------------- */
1821	void	1856	void
1822	rxvt_term::scr_bell ()	1857	rxvt_term::scr_bell ()
1823	{	1858	{
1824	#ifndef NO_BELL	1859	#ifndef NO_BELL
1825		1860
1826	# ifndef NO_MAPALERT	1861	# ifndef NO_MAPALERT
1827	# ifdef MAPALERT_OPTION	1862	# ifdef MAPALERT_OPTION
1828	if (options & Opt_mapAlert)	1863	if (OPTION (Opt_mapAlert))
1829	# endif	1864	# endif
1830	XMapWindow (display->display, parent[0]);	1865	XMapWindow (display->display, parent[0]);
1831	# endif	1866	# endif
1832		1867
1833	if (options & Opt_visualBell)	1868	if (OPTION (Opt_visualBell))
1834	{	1869	{
1835	scr_rvideo_mode (!rvideo); /* refresh also done */	1870	scr_rvideo_mode (!rvideo); /* refresh also done */
		1871	display->flush ();
1836	rxvt_usleep (VISUAL_BELL_DURATION);	1872	rxvt_usleep (VISUAL_BELL_DURATION);
1837	scr_rvideo_mode (!rvideo); /* refresh also done */	1873	scr_rvideo_mode (!rvideo); /* refresh also done */
1838	}	1874	}
1839	else	1875	else
1840	XBell (display->display, 0);	1876	XBell (display->display, 0);
…		…
1854	if ((fd = popen_printer ()) == NULL)	1890	if ((fd = popen_printer ()) == NULL)
1855	return;	1891	return;
1856		1892
1857	if (fullhist)	1893	if (fullhist)
1858	{	1894	{
1859	nrows = nrow + nsaved;	1895	nrows = nrow - top_row;
1860	row_start = -nsaved;	1896	row_start = top_row;
1861	}	1897	}
1862	else	1898	else
1863	{	1899	{
1864	nrows = nrow;	1900	nrows = nrow;
1865	row_start = -view_start;	1901	row_start = view_start;
1866	}	1902	}
1867		1903
1868	wctomb (0, 0);	1904	wctomb (0, 0);
1869		1905
1870	for (int r1 = 0; r1 < nrows; r1++)	1906	for (int r1 = 0; r1 < nrows; r1++)
…		…
1902	* Refresh the screen	1938	* Refresh the screen
1903	* drawn_text/drawn_rend contain the screen information before the update.	1939	* drawn_text/drawn_rend contain the screen information before the update.
1904	* screen.text/screen.rend contain what the screen will change to.	1940	* screen.text/screen.rend contain what the screen will change to.
1905	*/	1941	*/
1906	void	1942	void
1907	rxvt_term::scr_refresh (unsigned char refresh_type)	1943	rxvt_term::scr_refresh ()
1908	{	1944	{
1909	unsigned char must_clear, /* use draw_string not draw_image_string */	1945	unsigned char must_clear, /* use draw_string not draw_image_string */
1910	showcursor; /* show the cursor */	1946	showcursor; /* show the cursor */
1911	int16_t col, row, /* column/row we're processing */	1947	int16_t col, row, /* column/row we're processing */
1912	ocrow; /* old cursor row */	1948	ocrow; /* old cursor row */
…		…
1929		1965
1930	#if XPM_BACKGROUND	1966	#if XPM_BACKGROUND
1931	must_clear |= bgPixmap.pixmap != None;	1967	must_clear |= bgPixmap.pixmap != None;
1932	#endif	1968	#endif
1933	#if TRANSPARENT	1969	#if TRANSPARENT
1934	must_clear |= (options & Opt_transparent) && am_transparent;	1970	must_clear |= OPTION (Opt_transparent) && am_transparent;
1935	#endif	1971	#endif
1936	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */	1972	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
1937		1973
1938	/*	1974	/*
1939	* B: reverse any characters which are selected	1975	* B: reverse any characters which are selected
…		…
1963		1999
1964	crp = &ROW(screen.cur.row).r[col];	2000	crp = &ROW(screen.cur.row).r[col];
1965		2001
1966	if (showcursor && focus)	2002	if (showcursor && focus)
1967	{	2003	{
1968	if (options & Opt_cursorUnderline)	2004	if (OPTION (Opt_cursorUnderline))
1969	*crp ^= RS_Uline;	2005	*crp ^= RS_Uline;
1970	else	2006	else
1971	{	2007	{
1972	*crp ^= RS_RVid;	2008	*crp ^= RS_RVid;
1973		2009
…		…
1975	cc1 = *crp & (RS_fgMask | RS_bgMask);	2011	cc1 = *crp & (RS_fgMask | RS_bgMask);
1976	if (ISSET_PIXCOLOR (Color_cursor))	2012	if (ISSET_PIXCOLOR (Color_cursor))
1977	ccol1 = Color_cursor;	2013	ccol1 = Color_cursor;
1978	else	2014	else
1979	#ifdef CURSOR_COLOR_IS_RENDITION_COLOR	2015	#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1980	ccol1 = GET_FGCOLOR (rstyle);	2016	ccol1 = fgcolor_of (rstyle);
1981	#else	2017	#else
1982	ccol1 = Color_fg;	2018	ccol1 = Color_fg;
1983	#endif	2019	#endif
1984	if (ISSET_PIXCOLOR (Color_cursor2))	2020	if (ISSET_PIXCOLOR (Color_cursor2))
1985	ccol2 = Color_cursor2;	2021	ccol2 = Color_cursor2;
1986	else	2022	else
1987	#ifdef CURSOR_COLOR_IS_RENDITION_COLOR	2023	#ifdef CURSOR_COLOR_IS_RENDITION_COLOR
1988	ccol2 = GET_BGCOLOR (rstyle);	2024	ccol2 = bgcolor_of (rstyle);
1989	#else	2025	#else
1990	ccol2 = Color_bg;	2026	ccol2 = Color_bg;
1991	#endif	2027	#endif
1992	*crp = SET_FGCOLOR (*crp, ccol1);	2028	*crp = SET_FGCOLOR (*crp, ccol1);
1993	*crp = SET_BGCOLOR (*crp, ccol2);	2029	*crp = SET_BGCOLOR (*crp, ccol2);
…		…
1998		2034
1999	/* make sure no outline cursor is left around */	2035	/* make sure no outline cursor is left around */
2000	setoldcursor = 0;	2036	setoldcursor = 0;
2001	if (ocrow != -1)	2037	if (ocrow != -1)
2002	{	2038	{
2003	if (screen.cur.row + view_start != ocrow	2039	if (screen.cur.row - view_start != ocrow
2004	|| screen.cur.col != oldcursor.col)	2040	|| screen.cur.col != oldcursor.col)
2005	{	2041	{
2006	if (ocrow < nrow	2042	if (ocrow < nrow
2007	&& oldcursor.col < ncol)	2043	&& oldcursor.col < ncol)
2008	drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);	2044	drawn_buf[ocrow].r[oldcursor.col] ^= (RS_RVid | RS_Uline);
…		…
2016	else if (!focus)	2052	else if (!focus)
2017	setoldcursor = 1;	2053	setoldcursor = 1;
2018		2054
2019	if (setoldcursor)	2055	if (setoldcursor)
2020	{	2056	{
2021	if (screen.cur.row + view_start >= nrow)	2057	if (screen.cur.row - view_start >= nrow)
2022	oldcursor.row = -1;	2058	oldcursor.row = -1;
2023	else	2059	else
2024	{	2060	{
2025	oldcursor.row = screen.cur.row + view_start;	2061	oldcursor.row = screen.cur.row - view_start;
2026	oldcursor.col = screen.cur.col;	2062	oldcursor.col = screen.cur.col;
2027	}	2063	}
2028	}	2064	}
2029	}	2065	}
2030		2066
		2067	HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2031	#if ENABLE_OVERLAY	2068	#if ENABLE_OVERLAY
2032	scr_swap_overlay ();	2069	scr_swap_overlay ();
2033	#endif	2070	#endif
2034		2071
2035	#ifndef NO_SLOW_LINK_SUPPORT	2072	#ifndef NO_SLOW_LINK_SUPPORT
2036	/*	2073	/*
2037	* D: CopyArea pass - very useful for slower links	2074	* D: CopyArea pass - very useful for slower links
2038	* This has been deliberately kept simple.	2075	* This has been deliberately kept simple.
2039	*/	2076	*/
2040	i = num_scr;
2041	if (!display->is_local	2077	if (!display->is_local
2042	&& refresh_type == FAST_REFRESH && num_scr_allow && num_scr	2078	&& refresh_type == FAST_REFRESH && num_scr_allow && num_scr
2043	&& abs (num_scr) < nrow && !must_clear)	2079	&& abs (num_scr) < nrow && !must_clear)
2044	{	2080	{
2045	int16_t nits;	2081	int16_t nits;
2046	int j;	2082	int j;
2047	int len, wlen;	2083	int len, wlen;
		2084	dLocal (int, num_scr);
2048		2085
2049	j = nrow;	2086	j = nrow;
2050	wlen = len = -1;	2087	wlen = len = -1;
2051	row = i > 0 ? 0 : j - 1;	2088	row = i > 0 ? 0 : j - 1;
2052	for (; j-- >= 0; row += (i > 0 ? 1 : -1))	2089	for (; j-- >= 0; row += (i > 0 ? 1 : -1))
2053	{	2090	{
2054	if (row + i >= 0 && row + i < nrow && row + i != ocrow)	2091	if (row + i >= 0 && row + i < nrow && row + i != ocrow)
2055	{	2092	{
2056	line_t s = ROW(row - view_start);	2093	line_t s = ROW(view_start + row);
2057	line_t d = drawn_buf[row];	2094	line_t d = drawn_buf[row];
2058	line_t d2 = drawn_buf[row + i];	2095	line_t d2 = drawn_buf[row + i];
2059		2096
2060	for (nits = 0, col = ncol; col--; )	2097	for (nits = 0, col = ncol; col--; )
2061	if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])	2098	if (s.t[col] != d2.t[col] || s.r[col] != d2.r[col])
…		…
2085	if (wlen < len)	2122	if (wlen < len)
2086	::swap (wlen, len);	2123	::swap (wlen, len);
2087		2124
2088	XCopyArea (display->display, vt, vt,	2125	XCopyArea (display->display, vt, vt,
2089	gc, 0, Row2Pixel (len + i),	2126	gc, 0, Row2Pixel (len + i),
2090	(unsigned int)TermWin_TotalWidth (),	2127	(unsigned int)this->width,
2091	(unsigned int)Height2Pixel (wlen - len + 1),	2128	(unsigned int)Height2Pixel (wlen - len + 1),
2092	0, Row2Pixel (len));	2129	0, Row2Pixel (len));
2093	len = -1;	2130	len = -1;
2094	}	2131	}
2095	}	2132	}
…		…
2099	/*	2136	/*
2100	* E: main pass across every character	2137	* E: main pass across every character
2101	*/	2138	*/
2102	for (row = 0; row < nrow; row++)	2139	for (row = 0; row < nrow; row++)
2103	{	2140	{
2104	text_t *stp = ROW(row - view_start).t;	2141	text_t *stp = ROW(view_start + row).t;
2105	rend_t *srp = ROW(row - view_start).r;	2142	rend_t *srp = ROW(view_start + row).r;
2106	text_t *dtp = drawn_buf[row].t;	2143	text_t *dtp = drawn_buf[row].t;
2107	rend_t *drp = drawn_buf[row].r;	2144	rend_t *drp = drawn_buf[row].r;
2108		2145
2109	/*	2146	/*
2110	* E2: OK, now the real pass	2147	* E2: OK, now the real pass
…		…
2174	count++, i--;	2211	count++, i--;
2175		2212
2176	/*	2213	/*
2177	* Determine the attributes for the string	2214	* Determine the attributes for the string
2178	*/	2215	*/
2179	int fore = GET_FGCOLOR (rend); // desired foreground	2216	int fore = fgcolor_of (rend); // desired foreground
2180	int back = GET_BGCOLOR (rend); // desired background	2217	int back = bgcolor_of (rend); // desired background
2181		2218
2182	// only do special processing if any attributes are set, which is rare	2219	// only do special processing if any attributes are set, which is unlikely
2183	if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful))	2220	if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful))
2184	{	2221	{
2185	#if ENABLE_STYLES	2222	#if ENABLE_STYLES
2186	// force redraw after "careful" characters to avoid pixel droppings	2223	// force redraw after "careful" characters to avoid pixel droppings
2187	if (srp[col] & RS_Careful && col < ncol - 1 && 0)	2224	if (srp[col] & RS_Careful && col < ncol - 1 && 0)
…		…
2298	} /* for (row....) */	2335	} /* for (row....) */
2299		2336
2300	#if ENABLE_OVERLAY	2337	#if ENABLE_OVERLAY
2301	scr_swap_overlay ();	2338	scr_swap_overlay ();
2302	#endif	2339	#endif
		2340	HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2303		2341
2304	/*	2342	/*
2305	* G: cleanup cursor and display outline cursor if necessary	2343	* G: cleanup cursor and display outline cursor if necessary
2306	*/	2344	*/
2307	if (showcursor)	2345	if (showcursor)
2308	{	2346	{
2309	if (focus)	2347	if (focus)
2310	{	2348	{
2311	if (options & Opt_cursorUnderline)	2349	if (OPTION (Opt_cursorUnderline))
2312	*crp ^= RS_Uline;	2350	*crp ^= RS_Uline;
2313	else	2351	else
2314	{	2352	{
2315	*crp ^= RS_RVid;	2353	*crp ^= RS_RVid;
2316	#ifndef NO_CURSORCOLOR	2354	#ifndef NO_CURSORCOLOR
…		…
2346	/*	2384	/*
2347	* H: cleanup selection	2385	* H: cleanup selection
2348	*/	2386	*/
2349	scr_reverse_selection ();	2387	scr_reverse_selection ();
2350		2388
2351	if (refresh_type & SMOOTH_REFRESH)
2352	XFlush (display->display);
2353
2354	num_scr = 0;	2389	num_scr = 0;
2355	num_scr_allow = 1;	2390	num_scr_allow = 1;
2356	}	2391	}
2357		2392
2358	void	2393	void
2359	rxvt_term::scr_remap_chars (const line_t &l)	2394	rxvt_term::scr_remap_chars (line_t &l)
2360	{	2395	{
2361	if (!l.t)	2396	if (!l.t)
2362	return;	2397	return;
		2398
		2399	l.touch (); // maybe a bit of an overkill, but it's not performance-relevant
2363		2400
2364	for (int i = ncol; i--; )	2401	for (int i = ncol; i--; )
2365	l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));	2402	l.r[i] = SET_FONT (l.r[i], FONTSET (l.r[i])->find_font (l.t[i]));
2366	}	2403	}
2367		2404
…		…
2420		2457
2421	if (really)	2458	if (really)
2422	XClearWindow (display->display, vt);	2459	XClearWindow (display->display, vt);
2423	}	2460	}
2424		2461
		2462	void
		2463	rxvt_term::scr_xor_rect (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle1, rend_t rstyle2)
		2464	{
		2465	int view_end = view_start + nrow;
		2466	int row, col;
		2467
		2468	for (row = max (beg_row, view_start); row <= min (end_row, view_end); row++)
		2469	{
		2470	text_t *stp = ROW(row).t;
		2471	rend_t *srp = ROW(row).r;
		2472
		2473	for (col = beg_col; col < end_col; col++)
		2474	srp[col] ^= rstyle1;
		2475
		2476	while (col-- > beg_col && (stp[col] == NOCHAR || unicode::is_space (stp[col])))
		2477	srp[col] ^= rstyle2;
		2478
		2479	if (++col < end_col)
		2480	srp[col] ^= rstyle2;
		2481	}
		2482	}
		2483
		2484	void
		2485	rxvt_term::scr_xor_span (int beg_row, int beg_col, int end_row, int end_col, rend_t rstyle)
		2486	{
		2487	int view_end = view_start + nrow;
		2488	int row, col;
		2489
		2490	if (beg_row >= view_start)
		2491	{
		2492	col = beg_col;
		2493	row = beg_row;
		2494	}
		2495	else
		2496	{
		2497	col = 0;
		2498	row = view_start;
		2499	}
		2500
		2501	for (; row < min (end_row, view_end); row++, col = 0)
		2502	for (rend_t *srp = ROW(row).r; col < ncol; col++)
		2503	srp[col] ^= rstyle;
		2504
		2505	if (row == end_row)
		2506	for (rend_t *srp = ROW(row).r; col < end_col; col++)
		2507	srp[col] ^= rstyle;
		2508	}
		2509
2425	/* ------------------------------------------------------------------------- */	2510	/* ------------------------------------------------------------------------- */
2426	void	2511	void
2427	rxvt_term::scr_reverse_selection ()	2512	rxvt_term::scr_reverse_selection ()
2428	{	2513	{
2429	if (selection.op	2514	if (selection.op
2430	&& current_screen == selection.screen	2515	&& current_screen == selection.screen
2431	&& selection.end.row >= -view_start)	2516	&& selection.end.row >= view_start)
2432	{	2517	{
2433	int view_end = -view_start + nrow;
2434	int row, col;
2435
2436	#if ENABLE_FRILLS	2518	#if ENABLE_FRILLS
2437	if (selection.rect)	2519	if (selection.rect)
2438	{	2520	scr_xor_rect (selection.beg.row, selection.beg.col,
2439	for (row = max (selection.beg.row, -view_start); row <= min (selection.end.row, view_end); row++)	2521	selection.end.row, selection.end.col,
2440	for (rend_t *srp = ROW(row).r, col = selection.beg.col; col < selection.end.col; col++)	2522	RS_RVid, RS_RVid | RS_Uline);
2441	srp[col] ^= RS_RVid;
2442	}
2443	else	2523	else
2444	#endif	2524	#endif
2445	{	2525	scr_xor_span (selection.beg.row, selection.beg.col,
2446	if (selection.beg.row >= -view_start)	2526	selection.end.row, selection.end.col,
2447	{	2527	RS_RVid);
2448	col = selection.beg.col;
2449	row = selection.beg.row;
2450	}
2451	else
2452	{
2453	col = 0;
2454	row = view_start;
2455	}
2456
2457	for (; row < min (selection.end.row, view_end); row++, col = 0)
2458	for (rend_t *srp = ROW(row).r; col < ncol; col++)
2459	srp[col] ^= RS_RVid;
2460
2461	if (row == selection.end.row)
2462	for (rend_t *srp = ROW(row).r; col < selection.end.col; col++)
2463	srp[col] ^= RS_RVid;
2464	}
2465	}	2528	}
2466	}	2529	}
2467		2530
2468	/* ------------------------------------------------------------------------- */	2531	/* ------------------------------------------------------------------------- */
2469	/*	2532	/*
…		…
2507		2570
2508	if (!selection.op)	2571	if (!selection.op)
2509	return;	2572	return;
2510		2573
2511	pos.row = pos.col = 0;	2574	pos.row = pos.col = 0;
2512	if (!IN_RANGE_EXC (selection.beg.row, -nsaved, nrow)	2575	if (!IN_RANGE_EXC (selection.beg.row, top_row, nrow)
2513	|| !IN_RANGE_EXC (selection.mark.row, -nsaved, nrow)	2576	|| !IN_RANGE_EXC (selection.mark.row, top_row, nrow)
2514	|| !IN_RANGE_EXC (selection.end.row, -nsaved, nrow)	2577	|| !IN_RANGE_EXC (selection.end.row, top_row, nrow)
2515	|| (check_more == 1	2578	|| (check_more == 1
2516	&& current_screen == selection.screen	2579	&& current_screen == selection.screen
2517	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)	2580	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
2518	&& ROWCOL_IS_BEFORE (screen.cur, selection.end))	2581	&& ROWCOL_IS_BEFORE (screen.cur, selection.end))
2519	|| (check_more == 2	2582	|| (check_more == 2
…		…
2530	/* ------------------------------------------------------------------------- */	2593	/* ------------------------------------------------------------------------- */
2531	/*	2594	/*
2532	* Paste a selection direct to the command fd	2595	* Paste a selection direct to the command fd
2533	*/	2596	*/
2534	void	2597	void
2535	rxvt_term::paste (unsigned char *data, unsigned int len)	2598	rxvt_term::paste (char *data, unsigned int len)
2536	{	2599	{
2537	/* convert normal newline chars into common keyboard Return key sequence */	2600	/* convert normal newline chars into common keyboard Return key sequence */
2538	for (unsigned int i = 0; i < len; i++)	2601	for (unsigned int i = 0; i < len; i++)
2539	if (data[i] == C0_LF)	2602	if (data[i] == C0_LF)
2540	data[i] = C0_CR;	2603	data[i] = C0_CR;
…		…
2684	{	2747	{
2685	wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);	2748	wchar_t *w = rxvt_utf8towcs ((const char *)ct.value, ct.nitems);
2686	char *s = rxvt_wcstombs (w);	2749	char *s = rxvt_wcstombs (w);
2687	free (w);	2750	free (w);
2688	// TODO: strlen == only the first element will be converted. well...	2751	// TODO: strlen == only the first element will be converted. well...
2689	paste ((unsigned char *)s, strlen (s));	2752	paste (s, strlen (s));
2690	free (s);	2753	free (s);
2691	}	2754	}
2692	else	2755	else
2693	#endif	2756	#endif
2694	if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0	2757	if (XmbTextPropertyToTextList (display->display, &ct, &cl, &cr) >= 0
2695	&& cl)	2758	&& cl)
2696	{	2759	{
2697	for (int i = 0; i < cr; i++)	2760	for (int i = 0; i < cr; i++)
2698	paste ((unsigned char *)cl[i], strlen (cl[i]));	2761	paste (cl[i], strlen (cl[i]));
2699		2762
2700	XFreeStringList (cl);	2763	XFreeStringList (cl);
2701	}	2764	}
2702	else	2765	else
2703	paste (ct.value, ct.nitems); // paste raw	2766	paste ((char *)ct.value, ct.nitems); // paste raw
2704		2767
2705	bailout:	2768	bailout:
2706	XFree (ct.value);	2769	XFree (ct.value);
2707		2770
2708	if (selection_wait == Sel_normal)	2771	if (selection_wait == Sel_normal)
…		…
2738	* (+) if ownership is claimed but property is empty, rxvt_selection_paste ()	2801	* (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2739	* will auto fallback to CUT_BUFFER0	2802	* will auto fallback to CUT_BUFFER0
2740	* EXT: button 2 release	2803	* EXT: button 2 release
2741	*/	2804	*/
2742	void	2805	void
2743	rxvt_term::selection_request (Time tm, int x, int y)	2806	rxvt_term::selection_request (Time tm)
2744	{	2807	{
2745	if (x < 0 || x >= width || y < 0 || y >= height)
2746	return; /* outside window */
2747
2748	if (selection.text)	2808	if (selection.text)
2749	{ /* internal selection */	2809	{ /* internal selection */
2750	char *str = rxvt_wcstombs (selection.text, selection.len);	2810	char *str = rxvt_wcstombs (selection.text, selection.len);
2751	paste ((unsigned char *)str, strlen (str));	2811	paste (str, strlen (str));
2752	free (str);	2812	free (str);
2753	return;	2813	return;
2754	}	2814	}
2755	else	2815	else
2756	{	2816	{
…		…
2848	selection.op = SELECTION_DONE;	2908	selection.op = SELECTION_DONE;
2849		2909
2850	if (selection.clicks == 4)	2910	if (selection.clicks == 4)
2851	return; /* nothing selected, go away */	2911	return; /* nothing selected, go away */
2852		2912
		2913	if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
		2914	return;
		2915
2853	i = (selection.end.row - selection.beg.row + 1) * (ncol + 1);	2916	i = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2854	new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));	2917	new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));
2855		2918
2856	int ofs = 0;	2919	int ofs = 0;
2857	int extra = 0;	2920	int extra = 0;
…		…
2869	col = selection.beg.col;	2932	col = selection.beg.col;
2870	end_col = ncol + 1;	2933	end_col = ncol + 1;
2871	}	2934	}
2872	else	2935	else
2873	#endif	2936	#endif
2874	end_col = ROW(row).is_longer () ? ncol : ROW(row).l; //TODO//FIXME//LEN	2937	end_col = ROW(row).l;
2875		2938
2876	col = max (col, 0);	2939	col = max (col, 0);
2877		2940
2878	if (row == selection.end.row || selection.rect)	2941	if (row == selection.end.row
		2942	#if ENABLE_FRILLS
		2943	|| selection.rect
		2944	#endif
		2945	)
2879	end_col = min (end_col, selection.end.col);	2946	min_it (end_col, selection.end.col);
2880		2947
2881	t = ROW(row).t + col;	2948	t = ROW(row).t + col;
		2949
2882	for (; col < end_col; col++)	2950	for (; col < end_col; col++)
2883	{	2951	{
2884	if (*t == NOCHAR)	2952	if (*t == NOCHAR)
2885	t++;	2953	t++;
2886	#if ENABLE_COMBINING	2954	#if ENABLE_COMBINING
…		…
2902	#endif	2970	#endif
2903	else	2971	else
2904	new_selection_text[ofs++] = *t++;	2972	new_selection_text[ofs++] = *t++;
2905	}	2973	}
2906		2974
		2975	#if ENABLE_FRILLS
		2976	if (selection.rect)
		2977	{
		2978	while (ofs
		2979	&& new_selection_text[ofs - 1] != C0_LF
		2980	&& unicode::is_space (new_selection_text[ofs - 1]))
		2981	--ofs;
		2982
		2983	new_selection_text[ofs++] = C0_LF;
		2984	}
		2985	else
		2986	#endif
2907	if (!ROW(row).is_longer () && row != selection.end.row)	2987	if (!ROW(row).is_longer () && row != selection.end.row)
2908	new_selection_text[ofs++] = C0_LF;	2988	new_selection_text[ofs++] = C0_LF;
2909	}	2989	}
2910		2990
2911	if (end_col != selection.end.col)	2991	if (end_col != selection.end.col)
2912	new_selection_text[ofs++] = C0_LF;	2992	new_selection_text[ofs++] = C0_LF;
2913		2993
…		…
2923		3003
2924	// we usually allocate much more than necessary, so realloc it smaller again	3004	// we usually allocate much more than necessary, so realloc it smaller again
2925	selection.len = ofs;	3005	selection.len = ofs;
2926	selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));	3006	selection.text = (wchar_t *)rxvt_realloc (new_selection_text, (ofs + 1) * sizeof (wchar_t));
2927		3007
		3008	if (HOOK_INVOKE ((this, HOOK_SEL_GRAB, DT_LONG, (long)tm, DT_END)))
		3009	return;
		3010
		3011	selection_grab (tm);
		3012	}
		3013
		3014	bool
		3015	rxvt_term::selection_grab (Time tm)
		3016	{
		3017	selection_time = tm;
		3018
2928	XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm);	3019	XSetSelectionOwner (display->display, XA_PRIMARY, vt, tm);
2929	if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt)	3020	if (XGetSelectionOwner (display->display, XA_PRIMARY) == vt)
		3021	{
2930	display->set_selection_owner (this);	3022	display->set_selection_owner (this);
		3023	return true;
		3024	}
2931	else	3025	else
2932	rxvt_warn ("can't get primary selection, ignoring.\n");	3026	{
		3027	selection_clear ();
		3028	return false;
		3029	}
2933		3030
2934	#if 0	3031	#if 0
2935	XTextProperty ct;	3032	XTextProperty ct;
2936		3033
2937	if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)	3034	if (XwcTextListToTextProperty (display->display, &selection.text, 1, XStringStyle, &ct) >= 0)
2938	{	3035	{
2939	set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);	3036	set_string_property (XA_CUT_BUFFER0, ct.value, ct.nitems);
2940	XFree (ct.value);	3037	XFree (ct.value);
2941	}	3038	}
2942	#endif	3039	#endif
2943
2944	selection_time = tm;
2945	}	3040	}
2946		3041
2947	/* ------------------------------------------------------------------------- */	3042	/* ------------------------------------------------------------------------- */
2948	/*	3043	/*
2949	* Mark or select text based upon number of clicks: 1, 2, or 3	3044	* Mark or select text based upon number of clicks: 1, 2, or 3
…		…
2953	rxvt_term::selection_click (int clicks, int x, int y)	3048	rxvt_term::selection_click (int clicks, int x, int y)
2954	{	3049	{
2955	clicks = ((clicks - 1) % 3) + 1;	3050	clicks = ((clicks - 1) % 3) + 1;
2956	selection.clicks = clicks; /* save clicks so extend will work */	3051	selection.clicks = clicks; /* save clicks so extend will work */
2957		3052
		3053	if (clicks == 2 && !selection.rect
		3054	&& HOOK_INVOKE ((this, HOOK_SEL_EXTEND, DT_END)))
		3055	{
		3056	MEvent.clicks = 1; // what a mess
		3057	selection.screen = current_screen;
		3058	selection.op = SELECTION_CONT;
		3059	return;
		3060	}
		3061
2958	selection_start_colrow (Pixel2Col (x), Pixel2Row (y));	3062	selection_start_colrow (Pixel2Col (x), Pixel2Row (y));
2959		3063
2960	if (clicks == 2 || clicks == 3)	3064	if (clicks == 2 || clicks == 3)
2961	selection_extend_colrow (selection.mark.col,	3065	selection_extend_colrow (selection.mark.col,
2962	selection.mark.row + view_start,	3066	selection.mark.row - view_start,
2963	0, /* button 3 */	3067	0, /* button 3 */
2964	1, /* button press */	3068	1, /* button press */
2965	0); /* click change */	3069	0); /* click change */
2966	}	3070	}
2967		3071
…		…
2972	void	3076	void
2973	rxvt_term::selection_start_colrow (int col, int row)	3077	rxvt_term::selection_start_colrow (int col, int row)
2974	{	3078	{
2975	want_refresh = 1;	3079	want_refresh = 1;
2976		3080
2977	selection.mark.row = row - view_start;	3081	selection.mark.row = row + view_start;
2978	selection.mark.col = col;	3082	selection.mark.col = col;
2979		3083
2980	selection.mark.row = clamp (selection.mark.row, -nsaved, nrow - 1);	3084	selection.mark.row = clamp (selection.mark.row, top_row, nrow - 1);
2981	selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);	3085	selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
2982		3086
2983	while (selection.mark.col > 0	3087	while (selection.mark.col > 0
2984	&& ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)	3088	&& ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
2985	--selection.mark.col;	3089	--selection.mark.col;
…		…
3013	text_t *stp;	3117	text_t *stp;
3014	rend_t *srp;	3118	rend_t *srp;
3015		3119
3016	if (dirn == UP)	3120	if (dirn == UP)
3017	{	3121	{
3018	bound.row = - nsaved - 1;	3122	bound.row = top_row - 1;
3019	bound.col = 0;	3123	bound.col = 0;
3020	dirnadd = -1;	3124	dirnadd = -1;
3021	}	3125	}
3022	else	3126	else
3023	{	3127	{
…		…
3071	}	3175	}
3072	}	3176	}
3073	break;	3177	break;
3074	}	3178	}
3075		3179
3076	Old_Word_Selection_You_Die:
3077	if (dirn == DN)	3180	if (dirn == DN)
3078	col++; /* put us on one past the end */	3181	col++; /* put us on one past the end */
3079		3182
3080	/* Poke the values back in */	3183	/* Poke the values back in */
3081	ret->row = row;	3184	ret->row = row;
…		…
3102	* select nothing. Otherwise, if we're to the right of the mark, you have to	3205	* select nothing. Otherwise, if we're to the right of the mark, you have to
3103	* be _past_ a character for it to be selected.	3206	* be _past_ a character for it to be selected.
3104	*/	3207	*/
3105	if (((selection.clicks % 3) == 1) && !flag	3208	if (((selection.clicks % 3) == 1) && !flag
3106	&& (col == selection.mark.col	3209	&& (col == selection.mark.col
3107	&& (row == selection.mark.row + view_start)))	3210	&& (row == selection.mark.row - view_start)))
3108	{	3211	{
3109	/* select nothing */	3212	/* select nothing */
3110	selection.beg.row = selection.end.row = 0;	3213	selection.beg.row = selection.end.row = 0;
3111	selection.beg.col = selection.end.col = 0;	3214	selection.beg.col = selection.end.col = 0;
3112	selection.clicks = 4;	3215	selection.clicks = 4;
…		…
3167	selection.beg.col = selection.end.col = selection.mark.col;	3270	selection.beg.col = selection.end.col = selection.mark.col;
3168	selection.beg.row = selection.end.row = selection.mark.row;	3271	selection.beg.row = selection.end.row = selection.mark.row;
3169	}	3272	}
3170		3273
3171	pos.col = col;	3274	pos.col = col;
3172	pos.row = row - view_start;	3275	pos.row = view_start + row;
3173		3276
3174	/*	3277	/*
3175	* This is mainly xterm style selection with a couple of differences, mainly	3278	* This is mainly xterm style selection with a couple of differences, mainly
3176	* in the way button3 drag extension works.	3279	* in the way button3 drag extension works.
3177	* We're either doing: button1 drag; button3 press; or button3 drag	3280	* We're either doing: button1 drag; button3 press; or button3 drag
…		…
3264	selection_delimit_word (DN, &selection.end, &selection.end);	3367	selection_delimit_word (DN, &selection.end, &selection.end);
3265	}	3368	}
3266	else if (selection.clicks == 3)	3369	else if (selection.clicks == 3)
3267	{	3370	{
3268	#if ENABLE_FRILLS	3371	#if ENABLE_FRILLS
3269	if (options & Opt_tripleclickwords)	3372	if (OPTION (Opt_tripleclickwords))
3270	{	3373	{
3271	selection_delimit_word (UP, &selection.beg, &selection.beg);	3374	selection_delimit_word (UP, &selection.beg, &selection.beg);
3272		3375
3273	for (int end_row = selection.mark.row; end_row < nrow; end_row++)	3376	for (int end_row = selection.mark.row; end_row < nrow; end_row++)
3274	{	3377	{
…		…
3335	{	3438	{
3336	stp = ROW(end_row).t;	3439	stp = ROW(end_row).t;
3337		3440
3338	while (--end_col >= 0)	3441	while (--end_col >= 0)
3339	{	3442	{
3340	if (stp[end_col] != ' '	3443	if (stp[end_col] != NOCHAR
3341	&& stp[end_col] != '\t'	3444	&& !unicode::is_space (stp[end_col]))
3342	&& stp[end_col] != NOCHAR)
3343	break;	3445	break;
3344	}	3446	}
3345		3447
3346	if (end_col >= 0	3448	if (end_col >= 0
3347	|| !ROW(end_row - 1).is_longer ())	3449	|| !ROW(end_row - 1).is_longer ())
…		…
3546		3648
3547	#if ENABLE_OVERLAY	3649	#if ENABLE_OVERLAY
3548	void	3650	void
3549	rxvt_term::scr_overlay_new (int x, int y, int w, int h)	3651	rxvt_term::scr_overlay_new (int x, int y, int w, int h)
3550	{	3652	{
3551	if (nrow < 3 || ncol < 3)	3653	if (nrow < 1 || ncol < 1)
3552	return;	3654	return;
3553		3655
3554	want_refresh = 1;	3656	want_refresh = 1;
3555		3657
3556	scr_overlay_off ();	3658	scr_overlay_off ();
…		…
3663	for (int y = ov_h; y--; )	3765	for (int y = ov_h; y--; )
3664	{	3766	{
3665	text_t *t1 = ov_text[y];	3767	text_t *t1 = ov_text[y];
3666	rend_t *r1 = ov_rend[y];	3768	rend_t *r1 = ov_rend[y];
3667		3769
3668	text_t *t2 = ROW(y - view_start).t + ov_x;	3770	text_t *t2 = ROW(y + ov_y + view_start).t + ov_x;
3669	rend_t *r2 = ROW(y - view_start).r + ov_x;	3771	rend_t *r2 = ROW(y + ov_y + view_start).r + ov_x;
3670		3772
3671	for (int x = ov_w; x--; )	3773	for (int x = ov_w; x--; )
3672	{	3774	{
3673	text_t t = *t1; *t1++ = *t2; *t2++ = t;	3775	text_t t = *t1; *t1++ = *t2; *t2++ = t;
3674	rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));	3776	rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));

Diff Legend

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<	Changed lines
>	Changed lines