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Comparing rxvt-unicode/src/screen.C (file contents):
Revision 1.271 by sasha, Fri Aug 3 22:40:10 2007 UTC vs.
Revision 1.363 by sf-exg, Thu Jan 20 14:02:35 2011 UTC

1	/*---------------------------------------------------------------------------*	1	/*---------------------------------------------------------------------------*
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) 2003-2006 Marc Lehmann <pcg@goof.com>	6	* Copyright (c) 2003-2007 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.
…		…
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	#include "rxvtperl.h" /* NECESSARY */
30		30
31	#include <X11/Xmd.h> /* get the typedef for CARD32 */
32
33	#include <inttypes.h>	31	#include <inttypes.h>
34		32
35	#include "salloc.C" // HACK, should be a seperate compile!	33	#include "salloc.C" // HACK, should be a separate compile!
36		34
		35	static inline void
37	inline void fill_text (text_t *start, text_t value, int len)	36	fill_text (text_t *start, text_t value, int len)
38	{	37	{
39	while (len--)	38	while (len--)
40	*start++ = value;	39	*start++ = value;
41	}	40	}
42		41
…		…
85	ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col)	84	ROW_AND_COL_IN_ROW_AT_OR_AFTER ((X).row, (X).col, (Y).row, (Y).col)
86	#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \	85	#define ROWCOL_IN_ROW_AT_OR_BEFORE(X, Y) \
87	ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col)	86	ROW_AND_COL_IN_ROW_AT_OR_BEFORE ((X).row, (X).col, (Y).row, (Y).col)
88		87
89	/*	88	/*
90	* CLEAR_ROWS : clear <num> rows starting from row <row>
91	* CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>	89	* CLEAR_CHARS: clear <num> chars starting from pixel position <x,y>
92	* ERASE_ROWS : set <num> rows starting from row <row> to the foreground colour
93	*/	90	*/
94	#define drawBuffer vt
95
96	#define CLEAR_ROWS(row, num) \
97	if (mapped) \
98	XClearArea (dpy, drawBuffer, 0, \
99	Row2Pixel (row), (unsigned int)width, \
100	(unsigned int)Height2Pixel (num), False)
101
102	#define CLEAR_CHARS(x, y, num) \	91	#define CLEAR_CHARS(x, y, num) \
103	if (mapped) \	92	if (mapped) \
104	XClearArea (dpy, drawBuffer, x, y, \	93	XClearArea (dpy, vt, x, y, \
105	(unsigned int)Width2Pixel (num), \	94	(unsigned int)Width2Pixel (num), \
106	(unsigned int)Height2Pixel (1), False)	95	(unsigned int)Height2Pixel (1), False)
107
108	#define ERASE_ROWS(row, num) \
109	XFillRectangle (dpy, drawBuffer, gc, \
110	0, Row2Pixel (row), \
111	(unsigned int)width, \
112	(unsigned int)Height2Pixel (num))
113		96
114	/* ------------------------------------------------------------------------- *	97	/* ------------------------------------------------------------------------- *
115	* SCREEN `COMMON' ROUTINES *	98	* SCREEN `COMMON' ROUTINES *
116	* ------------------------------------------------------------------------- */	99	* ------------------------------------------------------------------------- */
117		100
…		…
150		133
151	l.l = 0;	134	l.l = 0;
152	l.f = 0;	135	l.f = 0;
153	}	136	}
154		137
		138	// nuke a single wide character at the given column
		139	void
		140	rxvt_term::scr_kill_char (line_t &l, int col) const NOTHROW
		141	{
		142	// find begin
		143	while (col > 0 && l.t[col] == NOCHAR)
		144	col--;
		145
		146	rend_t rend = l.r[col] & ~RS_baseattrMask;
		147	rend = SET_FONT (rend, FONTSET (rend)->find_font (' '));
		148
		149	l.touch ();
		150
		151	// found start, nuke
		152	do {
		153	l.t[col] = ' ';
		154	l.r[col] = rend;
		155	col++;
		156	} while (col < ncol && l.t[col] == NOCHAR);
		157	}
		158
155	/* ------------------------------------------------------------------------- *	159	/* ------------------------------------------------------------------------- *
156	* SCREEN INITIALISATION *	160	* SCREEN INITIALISATION *
157	* ------------------------------------------------------------------------- */	161	* ------------------------------------------------------------------------- */
158		162
159	void	163	void
160	rxvt_term::scr_reset ()	164	rxvt_term::scr_reset ()
161	{	165	{
162	#if ENABLE_OVERLAY
163	scr_overlay_off ();
164	#endif
165
166	view_start = 0;	166	view_start = 0;
167	num_scr = 0;	167	num_scr = 0;
168		168
169	if (ncol == 0)	169	if (ncol == 0)
170	ncol = 80;	170	ncol = 80;
…		…
172	if (nrow == 0)	172	if (nrow == 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
178	if (current_screen != PRIMARY)
179	scr_swap_screen ();
180		177
181	// we need at least two lines for wrapping to work correctly	178	// we need at least two lines for wrapping to work correctly
182	while (nrow + saveLines < 2)	179	while (nrow + saveLines < 2)
183	{	180	{
184	//TODO//FIXME	181	//TODO//FIXME
…		…
237	selection.text = NULL;	234	selection.text = NULL;
238	selection.len = 0;	235	selection.len = 0;
239	selection.op = SELECTION_CLEAR;	236	selection.op = SELECTION_CLEAR;
240	selection.screen = PRIMARY;	237	selection.screen = PRIMARY;
241	selection.clicks = 0;	238	selection.clicks = 0;
242	rvideo_state = rvideo_mode = false;	239	selection.clip_text = NULL;
		240	selection.clip_len = 0;
243	}	241	}
244	else	242	else
245	{	243	{
246	/*	244	/*
247	* add or delete rows as appropriate	245	* add or delete rows as appropriate
…		…
276	drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);	274	drawn_buf[row].clear (); scr_blank_screen_mem (drawn_buf[row], DEFAULT_RSTYLE);
277	}	275	}
278		276
279	line_t *old_buf = row_buf;	277	line_t *old_buf = row_buf;
280	row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));	278	row_buf = (line_t *)rxvt_calloc (total_rows + nrow, sizeof (line_t));
281		279
282	int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row	280	int p = MOD (term_start + prev_nrow, prev_total_rows); // previous row
283	int pend = MOD (term_start + top_row , prev_total_rows);	281	int pend = MOD (term_start + top_row , prev_total_rows);
284	int q = total_rows; // rewrapped row	282	int q = total_rows; // rewrapped row
285		283
286	if (top_row)	284	if (top_row)
287	{	285	{
288	// Re-wrap lines. This is rather ugly, possibly because I am too dumb	286	// Re-wrap lines. This is rather ugly, possibly because I am too dumb
289	// to come up with a lean and mean algorithm.	287	// to come up with a lean and mean algorithm.
		288	// TODO: maybe optimise when width didn't change
290		289
291	row_col_t ocur = screen.cur;	290	row_col_t ocur = screen.cur;
292	ocur.row = MOD (term_start + ocur.row, prev_total_rows);	291	ocur.row = MOD (term_start + ocur.row, prev_total_rows);
293		292
294	do	293	do
295	{	294	{
296	p = MOD (p - 1, prev_total_rows);	295	p = MOD (p - 1, prev_total_rows);
297	#ifdef DEBUG_STRICT
298	assert (old_buf [MOD (p, prev_total_rows)].t);	296	assert (old_buf [MOD (p, prev_total_rows)].t);
299	#endif
300	int plines = 1;	297	int plines = 1;
301	int llen = old_buf [MOD (p, prev_total_rows)].l;	298	int llen = old_buf [MOD (p, prev_total_rows)].l;
302		299
303	while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())	300	while (p != pend && old_buf [MOD (p - 1, prev_total_rows)].is_longer ())
304	{	301	{
…		…
330	int qcol = 0;	327	int qcol = 0;
331		328
332	// see below for cursor adjustment rationale	329	// see below for cursor adjustment rationale
333	if (p == ocur.row)	330	if (p == ocur.row)
334	screen.cur.row = q - (total_rows - nrow);	331	screen.cur.row = q - (total_rows - nrow);
335		332
336	// fill a single destination line	333	// fill a single destination line
337	while (lofs < llen && qcol < ncol)	334	while (lofs < llen && qcol < ncol)
338	{	335	{
339	int prow = lofs / prev_ncol;	336	int prow = lofs / prev_ncol;
340	int pcol = lofs % prev_ncol;	337	int pcol = lofs % prev_ncol;
…		…
366	}	363	}
367	while (p != pend && q > 0);	364	while (p != pend && q > 0);
368		365
369	term_start = total_rows - nrow;	366	term_start = total_rows - nrow;
370	top_row = q - term_start;	367	top_row = q - term_start;
371		368
372	// make sure all terminal lines exist	369	// make sure all terminal lines exist
373	while (top_row > 0)	370	while (top_row > 0)
374	scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);	371	scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
375	}	372	}
376	else	373	else
377	{	374	{
378	// if no scrollback exists (yet), wing, instead of wrap	375	// if no scrollback exists (yet), wing, instead of wrap
379		376
380	for (int row = min (nrow, prev_nrow); row--; )	377	for (int row = min (nrow, prev_nrow); row--; )
381	{	378	{
382	line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)];	379	line_t &pline = old_buf [MOD (term_start + row, prev_total_rows)];
383	line_t &qline = row_buf [row];	380	line_t &qline = row_buf [row];
384		381
…		…
398	delete old_ta;	395	delete old_ta;
399	delete old_ra;	396	delete old_ra;
400		397
401	clamp_it (screen.cur.row, 0, nrow - 1);	398	clamp_it (screen.cur.row, 0, nrow - 1);
402	clamp_it (screen.cur.col, 0, ncol - 1);	399	clamp_it (screen.cur.col, 0, ncol - 1);
		400	}
403		401
404	free (tabs);	402	free (tabs);
405	}	403	tabs = (char *)rxvt_malloc (ncol);
		404
		405	for (int col = ncol; col--; )
		406	tabs [col] = col % TABSIZE == 0;
406		407
407	CLEAR_ALL_SELECTION ();	408	CLEAR_ALL_SELECTION ();
408		409
409	prev_nrow = nrow;	410	prev_nrow = nrow;
410	prev_ncol = ncol;	411	prev_ncol = ncol;
411
412	tabs = (char *)rxvt_malloc (ncol * sizeof (char));
413
414	for (int col = ncol; --col; )
415	tabs [col] = col % TABSIZE == 0;
416
417	if (current_screen != PRIMARY)
418	scr_swap_screen ();
419		412
420	tt_winch ();	413	tt_winch ();
421		414
422	HOOK_INVOKE ((this, HOOK_RESET, DT_END));	415	HOOK_INVOKE ((this, HOOK_RESET, DT_END));
423	}	416	}
…		…
435	delete ralloc; ralloc = 0;	428	delete ralloc; ralloc = 0;
436		429
437	free (row_buf);	430	free (row_buf);
438	free (swap_buf);	431	free (swap_buf);
439	free (drawn_buf);	432	free (drawn_buf);
		433	row_buf = 0; // signal that we freed all the arrays above
		434
440	free (tabs);	435	free (tabs);
441		436	tabs = 0;
442	row_buf = 0; // signal that we freed all the arrays
443	}	437	}
444	}	438	}
445		439
446	/* ------------------------------------------------------------------------- */	440	/* ------------------------------------------------------------------------- */
447	/*	441	/*
448	* Hard reset	442	* Hard/Soft reset
449	*/	443	*/
450	void	444	void
451	rxvt_term::scr_poweron ()	445	rxvt_term::scr_poweron ()
452	{	446	{
453	scr_release ();	447	scr_release ();
454	prev_nrow = prev_ncol = 0;	448	prev_nrow = prev_ncol = 0;
		449	rvideo_mode = false;
		450	scr_soft_reset ();
455	scr_reset ();	451	scr_reset ();
456		452
457	scr_clear (true);	453	scr_clear (true);
458	scr_refresh ();	454	scr_refresh ();
		455	}
		456
		457	void
		458	rxvt_term::scr_soft_reset ()
		459	{
		460	/* only affects modes, nothing drastic such as clearing the screen */
		461	#if ENABLE_OVERLAY
		462	scr_overlay_off ();
		463	#endif
		464
		465	if (current_screen != PRIMARY)
		466	scr_swap_screen ();
		467
		468	scr_scroll_region (0, MAX_ROWS - 1);
		469	scr_rendition (0, ~RS_None);
		470	scr_insert_mode (0);
459	}	471	}
460		472
461	/* ------------------------------------------------------------------------- *	473	/* ------------------------------------------------------------------------- *
462	* PROCESS SCREEN COMMANDS *	474	* PROCESS SCREEN COMMANDS *
463	* ------------------------------------------------------------------------- */	475	* ------------------------------------------------------------------------- */
…		…
501	}	513	}
502		514
503	/* boundary check in case screen size changed between SAVE and RESTORE */	515	/* boundary check in case screen size changed between SAVE and RESTORE */
504	min_it (s->cur.row, nrow - 1);	516	min_it (s->cur.row, nrow - 1);
505	min_it (s->cur.col, ncol - 1);	517	min_it (s->cur.col, ncol - 1);
506	#ifdef DEBUG_STRICT
507	assert (s->cur.row >= 0);	518	assert (s->cur.row >= 0);
508	assert (s->cur.col >= 0);	519	assert (s->cur.col >= 0);
509	#endif
510	}	520	}
511		521
512	void	522	void
513	rxvt_term::scr_swap_screen ()	523	rxvt_term::scr_swap_screen ()
514	{	524	{
…		…
539	want_refresh = 1;	549	want_refresh = 1;
540	view_start = 0;	550	view_start = 0;
541		551
542	selection_check (2); /* check for boundary cross */	552	selection_check (2); /* check for boundary cross */
543		553
544	int i = current_screen; current_screen = scrn; scrn = i;	554	current_screen = scrn;
545		555
546	#if NSCREENS	556	#if NSCREENS
547	if (option (Opt_secondaryScreen))	557	if (option (Opt_secondaryScreen))
548	{	558	{
549	num_scr = 0;	559	num_scr = 0;
…		…
598	/*	608	/*
599	* Change the rendition style for following text	609	* Change the rendition style for following text
600	*/	610	*/
601	void	611	void
602	rxvt_term::scr_rendition (int set, int style) NOTHROW	612	rxvt_term::scr_rendition (int set, int style) NOTHROW
603	{	613	{
604	if (set)	614	if (set)
605	rstyle |= style;	615	rstyle |= style;
606	else if (style == ~RS_None)	616	else if (style == ~RS_None)
607	rstyle = DEFAULT_RSTYLE;	617	rstyle = DEFAULT_RSTYLE;
608	else	618	else
609	rstyle &= ~style;	619	rstyle &= ~style;
610	}	620	}
611		621
612	/* ------------------------------------------------------------------------- */	622	/* ------------------------------------------------------------------------- */
613	/*	623	/*
614	* Scroll text between <row1> and <row2> inclusive, by <count> lines	624	* Scroll text between <row1> and <row2> inclusive, by <count> lines
615	* count positive ==> scroll up	625	* count positive ==> scroll up
…		…
666	line_t &l2 = ROW(i);	676	line_t &l2 = ROW(i);
667		677
668	::swap (l1, l2);	678	::swap (l1, l2);
669	l2.touch ();	679	l2.touch ();
670	}	680	}
671		681
672	// move and/or clear selection, if any	682	// move and/or clear selection, if any
673	if (selection.op && current_screen == selection.screen)	683	if (selection.op && current_screen == selection.screen)
674	{	684	{
675	selection.beg.row -= count;	685	selection.beg.row -= count;
676	selection.end.row -= count;	686	selection.end.row -= count;
…		…
712	{	722	{
713	/* move selected region too */	723	/* move selected region too */
714	selection.beg.row -= count;	724	selection.beg.row -= count;
715	selection.end.row -= count;	725	selection.end.row -= count;
716	selection.mark.row -= count;	726	selection.mark.row -= count;
717		727
718	selection_check (0);	728	selection_check (0);
719	}	729	}
720	}	730	}
721		731
722	// use a simple and robust scrolling algorithm, this	732	// use a simple and robust scrolling algorithm, this
…		…
774	scr_scroll_text (screen.tscroll, screen.bscroll, minlines);	784	scr_scroll_text (screen.tscroll, screen.bscroll, minlines);
775	screen.cur.row -= minlines;	785	screen.cur.row -= minlines;
776	}	786	}
777	}	787	}
778		788
779	#ifdef DEBUG_STRICT
780	assert (screen.cur.col < ncol);	789	assert (screen.cur.col < ncol);
781	assert (screen.cur.row < nrow	790	assert (screen.cur.row < nrow
782	&& screen.cur.row >= top_row);	791	&& screen.cur.row >= top_row);
783	#endif
784	int row = screen.cur.row;	792	int row = screen.cur.row;
785		793
786	checksel = selection.op && current_screen == selection.screen ? 1 : 0;	794	checksel = selection.op && current_screen == selection.screen ? 1 : 0;
787		795
788	line_t *line = &ROW(row);	796	line_t *line = &ROW(row);
789		797
790	while (str < strend)	798	while (str < strend)
791	{	799	{
792	c = (unicode_t)*str++; // convert to rxvt-unicodes representation	800	c = (unicode_t)*str++; // convert to rxvt-unicodes representation
793		801
794	if (c < 0x20)	802	if (expect_false (c < 0x20))
795	if (c == C0_LF)	803	if (c == C0_LF)
796	{	804	{
797	max_it (line->l, screen.cur.col);	805	max_it (line->l, screen.cur.col);
798		806
799	screen.flags &= ~Screen_WrapNext;	807	screen.flags &= ~Screen_WrapNext;
…		…
818	{	826	{
819	scr_tab (1, true);	827	scr_tab (1, true);
820	continue;	828	continue;
821	}	829	}
822		830
		831	if (expect_false (
823	if (checksel /* see if we're writing within selection */	832	checksel /* see if we're writing within selection */
824	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)	833	&& !ROWCOL_IS_BEFORE (screen.cur, selection.beg)
825	&& ROWCOL_IS_BEFORE (screen.cur, selection.end))	834	&& ROWCOL_IS_BEFORE (screen.cur, selection.end)
		835	))
826	{	836	{
827	checksel = 0;	837	checksel = 0;
828	/*	838	/*
829	* If we wrote anywhere in the selected area, kill the selection	839	* If we wrote anywhere in the selected area, kill the selection
830	* XXX: should we kill the mark too? Possibly, but maybe that	840	* XXX: should we kill the mark too? Possibly, but maybe that
831	* should be a similar check.	841	* should be a similar check.
832	*/	842	*/
833	CLEAR_SELECTION ();	843	CLEAR_SELECTION ();
834	}	844	}
835		845
836	if (screen.flags & Screen_WrapNext)	846	if (expect_false (screen.flags & Screen_WrapNext))
837	{	847	{
838	scr_do_wrap ();	848	scr_do_wrap ();
839		849
840	line->l = ncol;	850	line->l = ncol;
841	line->is_longer (1);	851	line->is_longer (1);
842		852
843	row = screen.cur.row;	853	row = screen.cur.row;
844	line = &ROW(row); /* _must_ refresh */	854	line = &ROW(row); /* _must_ refresh */
845	}	855	}
846		856
847	// some utf-8 decoders "decode" surrogate characters: let's fix this.	857	// some utf-8 decoders "decode" surrogate characters: let's fix this.
848	if (IN_RANGE_INC (c, 0xd800, 0xdfff))	858	if (expect_false (IN_RANGE_INC (c, 0xd800, 0xdfff)))
849	c = 0xfffd;	859	c = 0xfffd;
850		860
851	// rely on wcwidth to tell us the character width, do wcwidth before	861	// rely on wcwidth to tell us the character width, do wcwidth before
852	// further replacements, as wcwidth might return -1 for the line	862	// further replacements, as wcwidth might return -1 for the line
853	// drawing characters below as they might be invalid in the current	863	// drawing characters below as they might be invalid in the current
854	// locale.	864	// locale.
855	int width = WCWIDTH (c);	865	int width = WCWIDTH (c);
856		866
857	if (charsets [screen.charset] == '0') // DEC SPECIAL	867	if (expect_false (charsets [screen.charset] == '0')) // DEC SPECIAL
858	{	868	{
859	// vt100 special graphics and line drawing	869	// vt100 special graphics and line drawing
860	// 5f-7e standard vt100	870	// 5f-7e standard vt100
861	// 40-5e rxvt extension for extra curses acs chars	871	// 40-5e rxvt extension for extra curses acs chars
862	static uint16_t vt100_0[62] = { // 41 .. 7e	872	static uint16_t vt100_0[62] = { // 41 .. 7e
…		…
875	c = vt100_0[c - 0x41];	885	c = vt100_0[c - 0x41];
876	width = 1; // vt100 line drawing characters are always single-width	886	width = 1; // vt100 line drawing characters are always single-width
877	}	887	}
878	}	888	}
879		889
880	if (screen.flags & Screen_Insert)	890	if (expect_false (screen.flags & Screen_Insert))
881	scr_insdel_chars (width, INSERT);	891	scr_insdel_chars (width, INSERT);
882		892
883	if (width != 0)	893	if (width != 0)
884	{	894	{
885	#if !UNICODE_3	895	#if !UNICODE_3
…		…
890	# else	900	# else
891	c = 0xfffd;	901	c = 0xfffd;
892	# endif	902	# endif
893	#endif	903	#endif
894		904
		905	rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
		906
		907	// if the character doesn't fit into the remaining columns...
		908	if (expect_false (screen.cur.col > ncol - width && ncol >= width))
		909	{
		910	if (screen.flags & Screen_Autowrap)
		911	{
		912	// ... artificially enlargen the previous one
		913	c = NOCHAR;
		914	// and try the same character next loop iteration
		915	--str;
		916	}
		917	else
		918	screen.cur.col = ncol - width;
		919	}
		920
895	// nuke the character at this position, if required	921	// nuke the character at this position, if required
		922	// due to wonderful coincidences everywhere else in this loop
		923	// we never have to check for overwriting a wide char itself,
		924	// only its tail.
896	if (line->t[screen.cur.col] == NOCHAR	925	if (expect_false (line->t[screen.cur.col] == NOCHAR))
897	|| (screen.cur.col < ncol - 1	926	scr_kill_char (*line, screen.cur.col);
898	&& line->t[screen.cur.col + 1] == NOCHAR))
899	{
900	int col = screen.cur.col;
901
902	// find begin
903	while (col > 0 && line->t[col] == NOCHAR)
904	col--;
905
906	rend_t rend = SET_FONT (line->r[col], FONTSET (line->r[col])->find_font (' '));
907
908	// found begin, nuke
909	do {
910	line->t[col] = ' ';
911	line->r[col] = rend;
912	col++;
913	} while (col < ncol && line->t[col] == NOCHAR);
914	}
915
916	rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
917
918	// if the character doesn't fit into the remaining columns...
919	if (screen.cur.col > ncol - width && ncol >= width)
920	{
921	// ...output spaces
922	c = ' ';
923	// and try the same character next loop iteration
924	--str;
925	}
926		927
927	line->touch ();	928	line->touch ();
928		929
929	do	930	do
930	{	931	{
931	line->t[screen.cur.col] = c;	932	line->t[screen.cur.col] = c;
932	line->r[screen.cur.col] = rend;	933	line->r[screen.cur.col] = rend;
933		934
934	if (screen.cur.col < ncol - 1)	935	if (expect_true (screen.cur.col < ncol - 1))
935	screen.cur.col++;	936	screen.cur.col++;
936	else	937	else
937	{	938	{
938	line->l = ncol;	939	line->l = ncol;
939	if (screen.flags & Screen_Autowrap)	940	if (screen.flags & Screen_Autowrap)
940	screen.flags |= Screen_WrapNext;	941	screen.flags |= Screen_WrapNext;
941	break;	942
		943	goto end_of_line;
942	}	944	}
943		945
944	c = NOCHAR;	946	c = NOCHAR;
945	}	947	}
946	while (--width > 0);	948	while (expect_false (--width > 0));
947		949
948	// pad with spaces when overwriting wide character with smaller one	950	// pad with spaces when overwriting wide character with smaller one
949	if (!width)	951	for (int c = screen.cur.col; expect_false (c < ncol && line->t[c] == NOCHAR); c++)
950	{	952	{
951	line->touch ();	953	line->t[c] = ' ';
		954	line->r[c] = rend;
		955	}
952		956
953	for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)	957	end_of_line:
		958	;
		959	}
		960	#if ENABLE_COMBINING
		961	else // width == 0
		962	{
		963	if (c != 0xfeff) // ignore BOM
		964	{
		965	// handle combining characters
		966	// we just tag the accent on the previous on-screen character.
		967	// this is arguably not correct, but also arguably not wrong.
		968	// we don't handle double-width characters nicely yet.
		969	line_t *linep;
		970	text_t *tp;
		971	rend_t *rp;
		972
		973	if (screen.cur.col > 0)
954	{	974	{
955	line->t[c] = ' ';
956	line->r[c] = rend;	975	linep = line;
		976	tp = line->t + screen.cur.col - 1;
		977	rp = line->r + screen.cur.col - 1;
957	}	978	}
		979	else if (screen.cur.row > 0
		980	&& ROW(screen.cur.row - 1).is_longer ())
		981	{
		982	linep = &ROW(screen.cur.row - 1);
		983	tp = line->t + ncol - 1;
		984	rp = line->r + ncol - 1;
		985	}
		986	else
		987	continue;
		988
		989	linep->touch ();
		990
		991	while (*tp == NOCHAR && tp > linep->t)
		992	tp--, rp--;
		993
		994	// first try to find a precomposed character
		995	unicode_t n = rxvt_compose (*tp, c);
		996	if (n == NOCHAR)
		997	n = rxvt_composite.compose (*tp, c);
		998
		999	*tp = n;
		1000	*rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
958	}	1001	}
959	}	1002	}
960	else // width == 0
961	{
962	#if ENABLE_COMBINING
963	// handle combining characters
964	// we just tag the accent on the previous on-screen character.
965	// this is arguably not correct, but also arguably not wrong.
966	// we don't handle double-width characters nicely yet.
967	line_t *linep;
968	text_t *tp;
969	rend_t *rp;
970
971	if (screen.cur.col > 0)
972	{
973	linep = line;
974	tp = line->t + screen.cur.col - 1;
975	rp = line->r + screen.cur.col - 1;
976	}
977	else if (screen.cur.row > 0
978	&& ROW(screen.cur.row - 1).is_longer ())
979	{
980	linep = &ROW(screen.cur.row - 1);
981	tp = line->t + ncol - 1;
982	rp = line->r + ncol - 1;
983	}
984	else
985	continue;
986
987	linep->touch ();
988
989	while (*tp == NOCHAR && tp > linep->t)
990	tp--, rp--;
991
992	// first try to find a precomposed character
993	unicode_t n = rxvt_compose (*tp, c);
994	if (n == NOCHAR)
995	n = rxvt_composite.compose (*tp, c);
996
997	*tp = n;
998	*rp = SET_FONT (*rp, FONTSET (*rp)->find_font (*tp));
999	#endif	1003	#endif
1000	}
1001	}	1004	}
1002		1005
1003	max_it (line->l, screen.cur.col);	1006	max_it (line->l, screen.cur.col);
1004		1007
1005	#ifdef DEBUG_STRICT
1006	assert (screen.cur.row >= 0);	1008	assert (screen.cur.row >= 0);
1007	#endif
1008	}	1009	}
1009		1010
1010	/* ------------------------------------------------------------------------- */	1011	/* ------------------------------------------------------------------------- */
1011	/*	1012	/*
1012	* Process Backspace. Move back the cursor back a position, wrap if have to	1013	* Process Backspace. Move back the cursor back a position, wrap if have to
1013	* XTERM_SEQ: CTRL-H	1014	* XTERM_SEQ: CTRL-H
1014	*/	1015	*/
1015	void	1016	void
1016	rxvt_term::scr_backspace () NOTHROW	1017	rxvt_term::scr_backspace () NOTHROW
1017	{	1018	{
1018	want_refresh = 1;
1019
1020	if (screen.cur.col == 0)	1019	if (screen.cur.col == 0)
1021	{	1020	{
1022	if (screen.cur.row > 0)	1021	if (screen.cur.row > 0)
1023	{	1022	{
1024	#ifdef TERMCAP_HAS_BW	1023	#ifdef TERMCAP_HAS_BW
1025	screen.cur.col = ncol - 1;	1024	screen.cur.col = ncol - 1;
1026	screen.cur.row--;	1025	--screen.cur.row;
1027	return;	1026
		1027	want_refresh = 1;
1028	#endif	1028	#endif
1029	}	1029	}
1030	}	1030	}
1031	else if (!(screen.flags & Screen_WrapNext))	1031	else if (screen.flags & Screen_WrapNext)
		1032	screen.flags &= ~Screen_WrapNext;
		1033	else
1032	scr_gotorc (0, -1, RELATIVE);	1034	scr_gotorc (0, -1, RELATIVE);
1033
1034	screen.flags &= ~Screen_WrapNext;
1035	}	1035	}
1036		1036
1037	/* ------------------------------------------------------------------------- */	1037	/* ------------------------------------------------------------------------- */
1038	/*	1038	/*
1039	* Process Horizontal Tab	1039	* Process Horizontal Tab
…		…
1062	x = i;	1062	x = i;
1063		1063
1064	if (!--count)	1064	if (!--count)
1065	break;	1065	break;
1066	}	1066	}
1067	else	1067	else
1068	ht &= l.t[i] == ' '	1068	ht &= l.t[i] == ' '
1069	&& RS_SAME (l.r[i], base_rend);	1069	&& RS_SAME (l.r[i], base_rend);
1070		1070
1071	if (count)	1071	if (count)
1072	x = ncol - 1;	1072	x = ncol - 1;
…		…
1188	}	1188	}
1189	}	1189	}
1190	else	1190	else
1191	{	1191	{
1192	if (screen.flags & Screen_Relative)	1192	if (screen.flags & Screen_Relative)
		1193	{
1193	{ /* relative origin mode */	1194	/* relative origin mode */
1194	screen.cur.row = row + screen.tscroll;	1195	screen.cur.row = row + screen.tscroll;
1195	min_it (screen.cur.row, screen.bscroll);	1196	min_it (screen.cur.row, screen.bscroll);
1196	}	1197	}
1197	else	1198	else
1198	screen.cur.row = row;	1199	screen.cur.row = row;
…		…
1231	/*	1232	/*
1232	* Erase part or whole of a line	1233	* Erase part or whole of a line
1233	* XTERM_SEQ: Clear line to right: ESC [ 0 K	1234	* XTERM_SEQ: Clear line to right: ESC [ 0 K
1234	* XTERM_SEQ: Clear line to left : ESC [ 1 K	1235	* XTERM_SEQ: Clear line to left : ESC [ 1 K
1235	* XTERM_SEQ: Clear whole line : ESC [ 2 K	1236	* XTERM_SEQ: Clear whole line : ESC [ 2 K
		1237	* extension: clear to right unless wrapped: ESC [ 3 K
1236	*/	1238	*/
1237	void	1239	void
1238	rxvt_term::scr_erase_line (int mode) NOTHROW	1240	rxvt_term::scr_erase_line (int mode) NOTHROW
1239	{	1241	{
1240	unsigned int col, num;	1242	unsigned int col, num;
…		…
1249	line.touch ();	1251	line.touch ();
1250	line.is_longer (0);	1252	line.is_longer (0);
1251		1253
1252	switch (mode)	1254	switch (mode)
1253	{	1255	{
		1256	case 3:
		1257	if (screen.flags & Screen_WrapNext)
		1258	return;
		1259
		1260	/* fall through */
		1261
1254	case 0: /* erase to end of line */	1262	case 0: /* erase to end of line */
1255	col = screen.cur.col;	1263	col = screen.cur.col;
1256	num = ncol - col;	1264	num = ncol - col;
1257	min_it (line.l, col);	1265	min_it (line.l, col);
		1266
1258	if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)	1267	if (ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur)
1259	|| ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))	1268	|| ROWCOL_IN_ROW_AT_OR_AFTER (selection.end, screen.cur))
1260	CLEAR_SELECTION ();	1269	CLEAR_SELECTION ();
1261	break;	1270	break;
		1271
1262	case 1: /* erase to beginning of line */	1272	case 1: /* erase to beginning of line */
1263	col = 0;	1273	col = 0;
1264	num = screen.cur.col + 1;	1274	num = screen.cur.col + 1;
		1275
1265	if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)	1276	if (ROWCOL_IN_ROW_AT_OR_BEFORE (selection.beg, screen.cur)
1266	|| ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))	1277	|| ROWCOL_IN_ROW_AT_OR_BEFORE (selection.end, screen.cur))
1267	CLEAR_SELECTION ();	1278	CLEAR_SELECTION ();
1268	break;	1279	break;
		1280
1269	case 2: /* erase whole line */	1281	case 2: /* erase whole line */
1270	col = 0;	1282	col = 0;
1271	num = ncol;	1283	num = ncol;
1272	line.l = 0;	1284	line.l = 0;
1273	if (selection.beg.row <= screen.cur.row	1285	if (selection.beg.row <= screen.cur.row
…		…
1331	if (row >= nrow) /* Out Of Bounds */	1343	if (row >= nrow) /* Out Of Bounds */
1332	return;	1344	return;
1333		1345
1334	min_it (num, nrow - row);	1346	min_it (num, nrow - row);
1335		1347
1336	if (rstyle & (RS_RVid | RS_Uline))	1348	if (rstyle & (RS_Blink | RS_RVid | RS_Uline))
1337	ren = (rend_t) ~RS_None;	1349	ren = (rend_t) ~RS_None;
1338	else if (GET_BASEBG (rstyle) == Color_bg)	1350	else if (GET_BASEBG (rstyle) == Color_bg)
1339	{	1351	{
1340	ren = DEFAULT_RSTYLE;	1352	ren = DEFAULT_RSTYLE;
1341	CLEAR_ROWS (row, num);	1353
		1354	if (mapped)
		1355	XClearArea (dpy, vt, 0,
		1356	Row2Pixel (row - view_start), (unsigned int)width,
		1357	(unsigned int)Height2Pixel (num), False);
1342	}	1358	}
1343	else	1359	else
1344	{	1360	{
1345	ren = rstyle & (RS_fgMask | RS_bgMask);	1361	ren = rstyle & (RS_fgMask | RS_bgMask);
		1362
		1363	if (mapped)
		1364	{
1346	gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];	1365	gcvalue.foreground = pix_colors[bgcolor_of (rstyle)];
1347	XChangeGC (dpy, gc, GCForeground, &gcvalue);	1366	XChangeGC (dpy, gc, GCForeground, &gcvalue);
1348	ERASE_ROWS (row, num);	1367	XFillRectangle (dpy, vt, gc,
		1368	0, Row2Pixel (row - view_start),
		1369	(unsigned int)width,
		1370	(unsigned int)Height2Pixel (num));
1349	gcvalue.foreground = pix_colors[Color_fg];	1371	gcvalue.foreground = pix_colors[Color_fg];
1350	XChangeGC (dpy, gc, GCForeground, &gcvalue);	1372	XChangeGC (dpy, gc, GCForeground, &gcvalue);
		1373	}
1351	}	1374	}
1352		1375
1353	for (; num--; row++)	1376	for (; num--; row++)
1354	{	1377	{
1355	scr_blank_screen_mem (ROW(row), rstyle);	1378	scr_blank_screen_mem (ROW(row), rstyle);
		1379
		1380	if (row - view_start < nrow)
1356	scr_blank_line (drawn_buf [row], 0, ncol, ren);	1381	scr_blank_line (drawn_buf [row - view_start], 0, ncol, ren);
1357	}	1382	}
1358	}	1383	}
1359		1384
1360	#if !ENABLE_MINIMAL	1385	#if !ENABLE_MINIMAL
1361	void	1386	void
…		…
1435	* Insert/Delete <count> characters from the current position	1460	* Insert/Delete <count> characters from the current position
1436	*/	1461	*/
1437	void	1462	void
1438	rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW	1463	rxvt_term::scr_insdel_chars (int count, int insdel) NOTHROW
1439	{	1464	{
1440	int col, row;
1441	rend_t tr;
1442
1443	want_refresh = 1;	1465	want_refresh = 1;
1444	ZERO_SCROLLBACK ();	1466	ZERO_SCROLLBACK ();
1445		1467
1446	if (count <= 0)	1468	if (count <= 0)
1447	return;	1469	return;
…		…
1449	scr_do_wrap ();	1471	scr_do_wrap ();
1450		1472
1451	selection_check (1);	1473	selection_check (1);
1452	min_it (count, ncol - screen.cur.col);	1474	min_it (count, ncol - screen.cur.col);
1453		1475
1454	row = screen.cur.row;	1476	int row = screen.cur.row;
1455		1477
1456	line_t *line = &ROW(row);	1478	line_t *line = &ROW(row);
1457		1479
1458	line->touch ();	1480	line->touch ();
1459	line->is_longer (0);	1481	line->is_longer (0);
1460		1482
		1483	// nuke wide spanning the start
		1484	if (line->t[screen.cur.col] == NOCHAR)
		1485	scr_kill_char (*line, screen.cur.col);
		1486
1461	switch (insdel)	1487	switch (insdel)
1462	{	1488	{
1463	case INSERT:	1489	case INSERT:
1464	for (col = ncol - 1; (col - count) >= screen.cur.col; col--)	1490	line->l = min (line->l + count, ncol);
		1491
		1492	if (line->t[screen.cur.col] == NOCHAR)
		1493	scr_kill_char (*line, screen.cur.col);
		1494
		1495	for (int col = ncol - 1; (col - count) >= screen.cur.col; col--)
1465	{	1496	{
1466	line->t[col] = line->t[col - count];	1497	line->t[col] = line->t[col - count];
1467	line->r[col] = line->r[col - count];	1498	line->r[col] = line->r[col - count];
1468	}	1499	}
1469
1470	line->l = min (line->l + count, ncol);
1471		1500
1472	if (selection.op && current_screen == selection.screen	1501	if (selection.op && current_screen == selection.screen
1473	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))	1502	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1474	{	1503	{
1475	if (selection.end.row != screen.cur.row	1504	if (selection.end.row != screen.cur.row
1476	|| (selection.end.col + count >= ncol))	1505	|| (selection.end.col + count >= ncol))
1477	CLEAR_SELECTION ();	1506	CLEAR_SELECTION ();
1478	else	1507	else
		1508	{
1479	{ /* shift selection */	1509	/* shift selection */
1480	selection.beg.col += count;	1510	selection.beg.col += count;
1481	selection.mark.col += count; /* XXX: yes? */	1511	selection.mark.col += count; /* XXX: yes? */
1482	selection.end.col += count;	1512	selection.end.col += count;
1483	}	1513	}
1484	}	1514	}
…		…
1489	case ERASE:	1519	case ERASE:
1490	screen.cur.col += count; /* don't worry if > ncol */	1520	screen.cur.col += count; /* don't worry if > ncol */
1491	selection_check (1);	1521	selection_check (1);
1492	screen.cur.col -= count;	1522	screen.cur.col -= count;
1493		1523
1494	line->l = max (line->l - count, 0);	1524	// nuke wide char after the end
		1525	if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
		1526	scr_kill_char (*line, screen.cur.col + count);
		1527
1495	scr_blank_line (*line, screen.cur.col, count, rstyle);	1528	scr_blank_line (*line, screen.cur.col, count, rstyle);
1496	break;	1529	break;
1497		1530
1498	case DELETE:	1531	case DELETE:
1499	tr = line->r[ncol - 1] & (RS_fgMask | RS_bgMask | RS_baseattrMask);	1532	line->l = max (line->l - count, 0);
1500		1533
		1534	// nuke wide char spanning the end
		1535	if (screen.cur.col + count < ncol && line->t[screen.cur.col + count] == NOCHAR)
		1536	scr_kill_char (*line, screen.cur.col + count);
		1537
1501	for (col = screen.cur.col; (col + count) < ncol; col++)	1538	for (int col = screen.cur.col; (col + count) < ncol; col++)
1502	{	1539	{
1503	line->t[col] = line->t[col + count];	1540	line->t[col] = line->t[col + count];
1504	line->r[col] = line->r[col + count];	1541	line->r[col] = line->r[col + count];
1505	}	1542	}
1506		1543
1507	line->l = max (line->l - count, 0);
1508	scr_blank_line (*line, ncol - count, count, tr);	1544	scr_blank_line (*line, ncol - count, count, rstyle);
1509		1545
1510	if (selection.op && current_screen == selection.screen	1546	if (selection.op && current_screen == selection.screen
1511	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))	1547	&& ROWCOL_IN_ROW_AT_OR_AFTER (selection.beg, screen.cur))
1512	{	1548	{
1513	if (selection.end.row != screen.cur.row	1549	if (selection.end.row != screen.cur.row
…		…
1623	*/	1659	*/
1624	void	1660	void
1625	rxvt_term::scr_set_tab (int mode) NOTHROW	1661	rxvt_term::scr_set_tab (int mode) NOTHROW
1626	{	1662	{
1627	if (mode < 0)	1663	if (mode < 0)
1628	memset (tabs, 0, ncol * sizeof (char));	1664	memset (tabs, 0, ncol);
1629	else if (screen.cur.col < ncol)	1665	else if (screen.cur.col < ncol)
1630	tabs [screen.cur.col] = !!mode;	1666	tabs [screen.cur.col] = !!mode;
1631	}	1667	}
1632		1668
1633	/* ------------------------------------------------------------------------- */	1669	/* ------------------------------------------------------------------------- */
…		…
1650	rvideo_state = on;	1686	rvideo_state = on;
1651		1687
1652	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);	1688	::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
1653	#ifdef HAVE_BG_PIXMAP	1689	#ifdef HAVE_BG_PIXMAP
1654	if (bgPixmap.pixmap == None)	1690	if (bgPixmap.pixmap == None)
1655	#endif
1656	#if ENABLE_TRANSPARENCY
1657	if (!option (Opt_transparent) || am_transparent == 0)
1658	#endif	1691	#endif
1659	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);	1692	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
1660		1693
1661	XGCValues gcvalue;	1694	XGCValues gcvalue;
1662	gcvalue.foreground = pix_colors[Color_fg];	1695	gcvalue.foreground = pix_colors[Color_fg];
…		…
1871	return true;	1904	return true;
1872	}	1905	}
1873		1906
1874	#ifndef NO_BELL	1907	#ifndef NO_BELL
1875	void	1908	void
1876	rxvt_term::bell_cb (time_watcher &w)	1909	rxvt_term::bell_cb (ev::timer &w, int revents)
1877	{	1910	{
1878	rvideo_bell = false;	1911	rvideo_bell = false;
1879	scr_rvideo_mode (rvideo_mode);	1912	scr_rvideo_mode (rvideo_mode);
		1913	refresh_check ();
1880	}	1914	}
1881	#endif	1915	#endif
1882		1916
1883	/* ------------------------------------------------------------------------- */	1917	/* ------------------------------------------------------------------------- */
1884	void	1918	void
…		…
1890	# ifdef MAPALERT_OPTION	1924	# ifdef MAPALERT_OPTION
1891	if (option (Opt_mapAlert))	1925	if (option (Opt_mapAlert))
1892	# endif	1926	# endif
1893	XMapWindow (dpy, parent[0]);	1927	XMapWindow (dpy, parent[0]);
1894	# endif	1928	# endif
		1929
1895	# if ENABLE_FRILLS	1930	# if ENABLE_FRILLS
1896	if (option (Opt_urgentOnBell))	1931	if (option (Opt_urgentOnBell))
1897	{	1932	set_urgency (1);
1898	XWMHints *h;
1899
1900	h = XGetWMHints(dpy, parent[0]);
1901	if (h != NULL)
1902	{
1903	h->flags |= XUrgencyHint;
1904	XSetWMHints(dpy, parent[0], h);
1905	}
1906	}
1907	# endif	1933	# endif
1908		1934
1909	if (option (Opt_visualBell))	1935	if (option (Opt_visualBell))
1910	{	1936	{
1911	rvideo_bell = true;	1937	rvideo_bell = true;
1912	scr_rvideo_mode (rvideo_mode);	1938	scr_rvideo_mode (rvideo_mode);
1913	display->flush ();	1939	flush ();
1914		1940
1915	bell_ev.start (NOW + VISUAL_BELL_DURATION);	1941	bell_ev.start (VISUAL_BELL_DURATION);
1916	}	1942	}
1917	else	1943	else
1918	XBell (dpy, 0);	1944	XBell (dpy, 0);
1919		1945	HOOK_INVOKE ((this, HOOK_BELL, DT_END));
1920	#endif	1946	#endif
1921	}	1947	}
1922		1948
1923	/* ------------------------------------------------------------------------- */	1949	/* ------------------------------------------------------------------------- */
1924	/* ARGSUSED */	1950	/* ARGSUSED */
1925	void	1951	void
1926	rxvt_term::scr_printscreen (int fullhist) NOTHROW	1952	rxvt_term::scr_printscreen (int fullhist) NOTHROW
1927	{	1953	{
1928	#ifdef PRINTPIPE	1954	#ifdef PRINTPIPE
1929	int nrows, row_start;	1955	int nrows, row_start;
1930	FILE *fd;	1956	FILE *fd = popen_printer ();
1931		1957
1932	if ((fd = popen_printer ()) == NULL)	1958	if (!fd)
1933	return;	1959	return;
1934		1960
1935	if (fullhist)	1961	if (fullhist)
1936	{	1962	{
1937	nrows = nrow - top_row;	1963	nrows = nrow - top_row;
…		…
1943	row_start = view_start;	1969	row_start = view_start;
1944	}	1970	}
1945		1971
1946	wctomb (0, 0);	1972	wctomb (0, 0);
1947		1973
1948	for (int r1 = 0; r1 < nrows; r1++)	1974	for (int r1 = row_start; r1 < row_start + nrows; r1++)
1949	{	1975	{
1950	text_t *tp = ROW(r1).t;	1976	text_t *tp = ROW(r1).t;
1951	int len = ROW(r1).l;	1977	int len = ROW(r1).l;
1952		1978
1953	for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN	1979	for (int i = len >= 0 ? len : ncol - 1; i--; ) //TODO//FIXME//LEN
…		…
1982	* screen.text/screen.rend contain what the screen will change to.	2008	* screen.text/screen.rend contain what the screen will change to.
1983	*/	2009	*/
1984	void	2010	void
1985	rxvt_term::scr_refresh () NOTHROW	2011	rxvt_term::scr_refresh () NOTHROW
1986	{	2012	{
1987	unsigned char have_bg,
1988	showcursor; /* show the cursor */
1989	int16_t col, row, /* column/row we're processing */	2013	int16_t col, row, /* column/row we're processing */
1990	ocrow; /* old cursor row */	2014	ocrow; /* old cursor row */
1991	int i; /* tmp */	2015	int i; /* tmp */
1992	#ifndef NO_CURSORCOLOR	2016	#ifndef NO_CURSORCOLOR
1993	rend_t cc1; /* store colours at cursor position (s) */	2017	rend_t cc1; /* store colours at cursor position (s) */
…		…
2002	return;	2026	return;
2003		2027
2004	/*	2028	/*
2005	* A: set up vars	2029	* A: set up vars
2006	*/	2030	*/
2007	have_bg = 0;
2008	refresh_count = 0;	2031	refresh_count = 0;
2009		2032
		2033	unsigned int old_screen_flags = screen.flags;
		2034	char have_bg = 0;
2010	#ifdef HAVE_BG_PIXMAP	2035	#ifdef HAVE_BG_PIXMAP
2011	have_bg |= bgPixmap.pixmap != None;	2036	have_bg = bgPixmap.pixmap != None;
2012	#endif
2013	#if ENABLE_TRANSPARENCY
2014	have_bg |= option (Opt_transparent) && am_transparent;
2015	#endif	2037	#endif
2016	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */	2038	ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
2017		2039
2018	/*	2040	/*
2019	* B: reverse any characters which are selected	2041	* B: reverse any characters which are selected
2020	*/	2042	*/
2021	scr_reverse_selection ();	2043	scr_reverse_selection ();
		2044
		2045	HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
		2046	#if ENABLE_OVERLAY
		2047	scr_swap_overlay ();
		2048	#endif
		2049
		2050	char showcursor = screen.flags & Screen_VisibleCursor;
2022		2051
2023	/*	2052	/*
2024	* C: set the cursor character (s)	2053	* C: set the cursor character (s)
2025	*/	2054	*/
2026	{	2055	{
2027	unsigned char setoldcursor;	2056	unsigned char setoldcursor;
2028		2057
2029	showcursor = (screen.flags & Screen_VisibleCursor);
2030	#ifdef CURSOR_BLINK	2058	#ifdef CURSOR_BLINK
2031	if (hidden_cursor)	2059	if (hidden_cursor)
2032	showcursor = 0;	2060	showcursor = 0;
2033	#endif	2061	#endif
2034		2062
…		…
2062	ccol2 = bgcolor_of (rstyle);	2090	ccol2 = bgcolor_of (rstyle);
2063	#else	2091	#else
2064	ccol2 = Color_bg;	2092	ccol2 = Color_bg;
2065	#endif	2093	#endif
2066		2094
2067	if (showcursor && focus)	2095	if (focus)
2068	{	2096	{
2069	if (option (Opt_cursorUnderline))	2097	if (option (Opt_cursorUnderline))
2070	*crp ^= RS_Uline;	2098	*crp ^= RS_Uline;
2071	else	2099	else
2072	{	2100	{
…		…
2107	oldcursor.col = screen.cur.col;	2135	oldcursor.col = screen.cur.col;
2108	}	2136	}
2109	}	2137	}
2110	}	2138	}
2111		2139
2112	HOOK_INVOKE ((this, HOOK_REFRESH_BEGIN, DT_END));
2113	#if ENABLE_OVERLAY
2114	scr_swap_overlay ();
2115	#endif
2116
2117	#ifndef NO_SLOW_LINK_SUPPORT	2140	#ifndef NO_SLOW_LINK_SUPPORT
2118	/*	2141	/*
2119	* D: CopyArea pass - very useful for slower links	2142	* D: CopyArea pass - very useful for slower links
2120	* This has been deliberately kept simple.	2143	* This has been deliberately kept simple.
2121	*/	2144	*/
…		…
2210	continue;	2233	continue;
2211		2234
2212	// redraw one or more characters	2235	// redraw one or more characters
2213		2236
2214	// seek to the beginning of wide characters	2237	// seek to the beginning of wide characters
2215	while (stp[col] == NOCHAR && col > 0)	2238	while (expect_false (stp[col] == NOCHAR && col > 0))
2216	--col;	2239	--col;
2217		2240
2218	rend_t rend = srp[col]; /* screen rendition (target rendtion) */	2241	rend_t rend = srp[col]; /* screen rendition (target rendition) */
2219	text_t *text = stp + col;	2242	text_t *text = stp + col;
2220	int count = 1;	2243	int count = 1;
2221		2244
2222	dtp[col] = stp[col];	2245	dtp[col] = stp[col];
2223	drp[col] = rend;	2246	drp[col] = rend;
…		…
2227	for (i = 0; ++col < ncol; )	2250	for (i = 0; ++col < ncol; )
2228	{	2251	{
2229	if (stp[col] == NOCHAR)	2252	if (stp[col] == NOCHAR)
2230	{	2253	{
2231	dtp[col] = stp[col];	2254	dtp[col] = stp[col];
2232	drp[col] = rend;	2255	drp[col] = srp[col];
		2256
2233	count++;	2257	count++;
2234	i++;	2258	i++;
2235		2259
2236	continue;	2260	continue;
2237	}	2261	}
…		…
2257		2281
2258	col--; /* went one too far. move back */	2282	col--; /* went one too far. move back */
2259	count -= i; /* dump any matching trailing chars */	2283	count -= i; /* dump any matching trailing chars */
2260		2284
2261	// sometimes we optimize away the trailing NOCHAR's, add them back	2285	// sometimes we optimize away the trailing NOCHAR's, add them back
2262	while (i && text[count] == NOCHAR)	2286	while (expect_false (i && text[count] == NOCHAR))
2263	count++, i--;	2287	count++, i--;
2264		2288
2265	/*	2289	/*
2266	* Determine the attributes for the string	2290	* Determine the attributes for the string
2267	*/	2291	*/
2268	int fore = fgcolor_of (rend); // desired foreground	2292	int fore = fgcolor_of (rend); // desired foreground
2269	int back = bgcolor_of (rend); // desired background	2293	int back = bgcolor_of (rend); // desired background
2270		2294
2271	// only do special processing if any attributes are set, which is unlikely	2295	// only do special processing if any attributes are set, which is unlikely
2272	if (rend & (RS_Bold | RS_Italic | RS_Uline | RS_RVid | RS_Blink | RS_Careful))	2296	if (expect_false (rend & (RS_baseattrMask | RS_Careful | RS_Sel)))
2273	{	2297	{
2274	bool invert = rend & RS_RVid;	2298	bool invert = rend & RS_RVid;
2275		2299
2276	#ifndef NO_BOLD_UNDERLINE_REVERSE	2300	#ifndef NO_BOLD_UNDERLINE_REVERSE
2277	if (rend & RS_Bold
2278	&& fore == Color_fg)	2301	if (rend & RS_Bold && fore == Color_fg)
2279	{	2302	{
2280	if (ISSET_PIXCOLOR (Color_BD))	2303	if (ISSET_PIXCOLOR (Color_BD))
2281	fore = Color_BD;	2304	fore = Color_BD;
2282	# if !ENABLE_STYLES	2305	# if !ENABLE_STYLES
2283	else	2306	else
2284	invert = !invert;	2307	invert = !invert;
2285	# endif	2308	# endif
2286	}	2309	}
2287		2310
2288	if (rend & RS_Italic	2311	if (rend & RS_Italic && fore == Color_fg)
2289	&& fore == Color_fg)
2290	{	2312	{
2291	if (ISSET_PIXCOLOR (Color_IT))	2313	if (ISSET_PIXCOLOR (Color_IT))
2292	fore = Color_IT;	2314	fore = Color_IT;
2293	# if !ENABLE_STYLES	2315	# if !ENABLE_STYLES
2294	else	2316	else
…		…
2298		2320
2299	if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))	2321	if (rend & RS_Uline && fore == Color_fg && ISSET_PIXCOLOR (Color_UL))
2300	fore = Color_UL;	2322	fore = Color_UL;
2301	#endif	2323	#endif
2302		2324
		2325	#ifdef OPTION_HC
		2326	if (rend & RS_Sel)
		2327	{
		2328	/* invert the column if no highlightColor is set or it is the
		2329	* current cursor column */
		2330	if (!(showcursor && row == screen.cur.row && text - stp == screen.cur.col)
		2331	&& ISSET_PIXCOLOR (Color_HC))
		2332	{
		2333	if (ISSET_PIXCOLOR (Color_HTC))
		2334	fore = Color_HTC;
		2335	// if invert is 0 reverse video is set so we use bg color as fg color
		2336	else if (!invert)
		2337	fore = back;
		2338
		2339	back = Color_HC;
		2340	invert = 0;
		2341	}
		2342	}
		2343	#endif
		2344
2303	if (invert)	2345	if (invert)
2304	{	2346	{
2305	#ifdef OPTION_HC
2306	if ((showcursor && row == screen.cur.row && text - stp == screen.cur.col)
2307	|| !ISSET_PIXCOLOR (Color_HC))
2308	#endif
2309	/* invert the column if no highlightColor is set or it is the
2310	* current cursor column */
2311	::swap (fore, back);	2347	::swap (fore, back);
2312	#ifdef OPTION_HC
2313	else if (ISSET_PIXCOLOR (Color_HC))
2314	back = Color_HC;
2315	#endif
2316		2348
2317	#ifndef NO_BOLD_UNDERLINE_REVERSE	2349	#ifndef NO_BOLD_UNDERLINE_REVERSE
2318	# ifndef OPTION_HC
2319	if (ISSET_PIXCOLOR (Color_RV))
2320	back = Color_RV;
2321	# endif
2322	if (fore == back)	2350	if (fore == back)
2323	{	2351	{
2324	fore = Color_bg;	2352	fore = Color_bg;
2325	back = Color_fg;	2353	back = Color_fg;
2326	}	2354	}
…		…
2328	}	2356	}
2329		2357
2330	#ifdef TEXT_BLINK	2358	#ifdef TEXT_BLINK
2331	if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))	2359	if (rend & RS_Blink && (back == Color_bg || fore == Color_bg))
2332	{	2360	{
2333	if (!text_blink_ev.active)	2361	if (!text_blink_ev.is_active ())
2334	{	2362	{
2335	text_blink_ev.start (NOW + TEXT_BLINK_INTERVAL);	2363	text_blink_ev.again ();
2336	hidden_text = 0;	2364	hidden_text = 0;
2337	}	2365	}
2338	else if (hidden_text)	2366	else if (hidden_text)
2339	fore = back;	2367	fore = back;
2340	}	2368	}
…		…
2362	/*	2390	/*
2363	* Actually do the drawing of the string here	2391	* Actually do the drawing of the string here
2364	*/	2392	*/
2365	rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];	2393	rxvt_font *font = (*fontset[GET_STYLE (rend)])[GET_FONT (rend)];
2366		2394
2367	if (have_bg && back == Color_bg)	2395	if (expect_true (have_bg && back == Color_bg))
2368	{	2396	{
2369	// this is very ugly, maybe push it into ->draw?	2397	// this is very ugly, maybe push it into ->draw?
2370		2398
2371	for (i = 0; i < count; i++) /* don't draw empty strings */	2399	for (i = 0; i < count; i++) /* don't draw empty strings */
2372	if (text[i] != ' ')	2400	if (text[i] != ' ')
…		…
2379	did_clear: ;	2407	did_clear: ;
2380	}	2408	}
2381	else	2409	else
2382	font->draw (*drawable, xpixel, ypixel, text, count, fore, back);	2410	font->draw (*drawable, xpixel, ypixel, text, count, fore, back);
2383		2411
2384	if (rend & RS_Uline && font->descent > 1 && fore != back)	2412	if (expect_false (rend & RS_Uline && font->descent > 1 && fore != back))
2385	{	2413	{
2386	#if ENABLE_FRILLS	2414	#if ENABLE_FRILLS
2387	if (ISSET_PIXCOLOR (Color_underline))	2415	if (ISSET_PIXCOLOR (Color_underline))
2388	XSetForeground (dpy, gc, pix_colors[Color_underline]);	2416	XSetForeground (dpy, gc, pix_colors[Color_underline]);
2389	else	2417	else
2390	#endif	2418	#endif
2391	XSetForeground (dpy, gc, pix_colors[fore]);	2419	XSetForeground (dpy, gc, pix_colors[fore]);
2392		2420
2393	XDrawLine (dpy, drawBuffer, gc,	2421	XDrawLine (dpy, vt, gc,
2394	xpixel, ypixel + font->ascent + 1,	2422	xpixel, ypixel + font->ascent + 1,
2395	xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);	2423	xpixel + Width2Pixel (count) - 1, ypixel + font->ascent + 1);
2396	}	2424	}
2397	} /* for (col....) */	2425	} /* for (col....) */
2398	} /* for (row....) */	2426	} /* for (row....) */
2399
2400	#if ENABLE_OVERLAY
2401	scr_swap_overlay ();
2402	#endif
2403	HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
2404		2427
2405	/*	2428	/*
2406	* G: cleanup cursor and display outline cursor if necessary	2429	* G: cleanup cursor and display outline cursor if necessary
2407	*/	2430	*/
2408	if (showcursor)	2431	if (showcursor)
…		…
2436	XSetForeground (dpy, gc, pix_colors[Color_cursor]);	2459	XSetForeground (dpy, gc, pix_colors[Color_cursor]);
2437	else	2460	else
2438	#endif	2461	#endif
2439	XSetForeground (dpy, gc, pix_colors[ccol1]);	2462	XSetForeground (dpy, gc, pix_colors[ccol1]);
2440		2463
2441	XDrawRectangle (dpy, drawBuffer, gc,	2464	XDrawRectangle (dpy, vt, gc,
2442	Col2Pixel (col),	2465	Col2Pixel (col),
2443	Row2Pixel (oldcursor.row),	2466	Row2Pixel (oldcursor.row),
2444	(unsigned int) (Width2Pixel (cursorwidth) - 1),	2467	(unsigned int) (Width2Pixel (cursorwidth) - 1),
2445	(unsigned int) (Height2Pixel (1) - lineSpace - 1));	2468	(unsigned int) (Height2Pixel (1) - lineSpace - 1));
2446	}	2469	}
2447	}	2470	}
2448		2471
2449	/*	2472	/*
2450	* H: cleanup selection	2473	* H: cleanup selection
2451	*/	2474	*/
		2475	#if ENABLE_OVERLAY
		2476	scr_swap_overlay ();
		2477	#endif
		2478	HOOK_INVOKE ((this, HOOK_REFRESH_END, DT_END));
		2479
2452	scr_reverse_selection ();	2480	scr_reverse_selection ();
2453		2481
		2482	screen.flags = old_screen_flags;
2454	num_scr = 0;	2483	num_scr = 0;
2455	num_scr_allow = 1;	2484	num_scr_allow = 1;
2456	}	2485	}
2457		2486
2458	void	2487	void
…		…
2481	}	2510	}
2482		2511
2483	void	2512	void
2484	rxvt_term::scr_recolour () NOTHROW	2513	rxvt_term::scr_recolour () NOTHROW
2485	{	2514	{
2486	if (1
2487	#if ENABLE_TRANSPARENCY
2488	&& !am_transparent
2489	#endif
2490	#ifdef HAVE_BG_PIXMAP	2515	#ifdef HAVE_BG_PIXMAP
2491	&& !bgPixmap.pixmap	2516	bgPixmap.apply ();
2492	#endif	2517	#else
2493	)	2518
2494	{
2495	XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]);	2519	XSetWindowBackground (dpy, parent[0], pix_colors[Color_border]);
2496	XClearWindow (dpy, parent[0]);	2520	XClearWindow (dpy, parent[0]);
2497	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);	2521	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
2498	#if HAVE_SCROLLBARS	2522
2499	if (scrollBar.win)	2523	if (scrollBar.win)
2500	{	2524	{
2501	XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);	2525	XSetWindowBackground (dpy, scrollBar.win, pix_colors[Color_border]);
2502	scrollBar.setIdle ();	2526	scrollBar.state = STATE_IDLE;
2503	scrollbar_show (0);	2527	scrollBar.show (0);
2504	}
2505	#endif
2506	}	2528	}
2507		2529
		2530	#endif
		2531
		2532	/* bgPixmap.apply () does not do the following : */
2508	scr_clear ();	2533	scr_clear ();
2509	scr_touch (true);	2534	scr_touch (true);
2510	want_refresh = 1;	2535	want_refresh = 1;
2511	}	2536	}
2512		2537
…		…
2582	{	2607	{
2583	#if !ENABLE_MINIMAL	2608	#if !ENABLE_MINIMAL
2584	if (selection.rect)	2609	if (selection.rect)
2585	scr_xor_rect (selection.beg.row, selection.beg.col,	2610	scr_xor_rect (selection.beg.row, selection.beg.col,
2586	selection.end.row, selection.end.col,	2611	selection.end.row, selection.end.col,
2587	RS_RVid, RS_RVid | RS_Uline);	2612	RS_Sel | RS_RVid, RS_Sel | RS_RVid | RS_Uline);
2588	else	2613	else
2589	#endif	2614	#endif
2590	scr_xor_span (selection.beg.row, selection.beg.col,	2615	scr_xor_span (selection.beg.row, selection.beg.col,
2591	selection.end.row, selection.end.col,	2616	selection.end.row, selection.end.col,
2592	RS_RVid);	2617	RS_Sel | RS_RVid);
2593	}	2618	}
2594	}	2619	}
2595		2620
2596	/* ------------------------------------------------------------------------- */	2621	/* ------------------------------------------------------------------------- */
2597	/*	2622	/*
…		…
2602	void	2627	void
2603	rxvt_term::scr_dump (int fd) NOTHROW	2628	rxvt_term::scr_dump (int fd) NOTHROW
2604	{	2629	{
2605	int row, wrote;	2630	int row, wrote;
2606	unsigned int width, towrite;	2631	unsigned int width, towrite;
2607	char r1[] = "\n";	2632	const char r1[] = "\n";
2608		2633
2609	for (row = saveLines - nsaved;	2634	for (row = saveLines + top_row;
2610	row < saveLines + nrow - 1; row++)	2635	row < saveLines + nrow - 1; row++)
2611	{	2636	{
2612	width = row_buf[row].l >= 0 ? row_buf[row].l	2637	width = row_buf[row].l >= 0 ? row_buf[row].l
2613	: ncol;	2638	: ncol;
2614	for (towrite = width; towrite; towrite -= wrote)	2639	for (towrite = width; towrite; towrite -= wrote)
…		…
2658	/* ------------------------------------------------------------------------- */	2683	/* ------------------------------------------------------------------------- */
2659	/*	2684	/*
2660	* Paste a selection direct to the command fd	2685	* Paste a selection direct to the command fd
2661	*/	2686	*/
2662	void	2687	void
2663	rxvt_term::paste (char *data, unsigned int len) NOTHROW	2688	rxvt_term::tt_paste (char *data, unsigned int len) NOTHROW
2664	{	2689	{
2665	/* convert normal newline chars into common keyboard Return key sequence */	2690	/* convert normal newline chars into common keyboard Return key sequence */
2666	for (unsigned int i = 0; i < len; i++)	2691	for (unsigned int i = 0; i < len; i++)
2667	if (data[i] == C0_LF)	2692	if (data[i] == C0_LF)
2668	data[i] = C0_CR;	2693	data[i] = C0_CR;
2669		2694
		2695	if (priv_modes & PrivMode_BracketPaste)
		2696	tt_printf ("\e[200~");
		2697
2670	tt_write (data, len);	2698	tt_write (data, len);
		2699
		2700	if (priv_modes & PrivMode_BracketPaste)
		2701	tt_printf ("\e[201~");
		2702	}
		2703
		2704	void
		2705	rxvt_term::paste (char *data, unsigned int len) NOTHROW
		2706	{
		2707	if (HOOK_INVOKE ((this, HOOK_TT_PASTE, DT_STR_LEN, data, len, DT_END)))
		2708	return;
		2709
		2710	tt_paste (data, len);
2671	}	2711	}
2672		2712
2673	/* ------------------------------------------------------------------------- */	2713	/* ------------------------------------------------------------------------- */
2674	/*	2714	/*
2675	* Respond to a notification that a primary selection has been sent	2715	* Respond to a notification that a primary selection has been sent
…		…
2732	&ct2.nitems, &bytes_after,	2772	&ct2.nitems, &bytes_after,
2733	&ct2.value) != Success)	2773	&ct2.value) != Success)
2734	goto bailout;	2774	goto bailout;
2735		2775
2736	// realloc should be compatible to XFree, here, and elsewhere, too	2776	// realloc should be compatible to XFree, here, and elsewhere, too
2737	ct.value = (unsigned char *)realloc (ct.value, ct.nitems + ct2.nitems + 1);	2777	ct.value = (unsigned char *)rxvt_realloc (ct.value, ct.nitems + ct2.nitems + 1);
2738	memcpy (ct.value + ct.nitems, ct2.value, ct2.nitems + 1);	2778	memcpy (ct.value + ct.nitems, ct2.value, ct2.nitems + 1);
2739	ct.nitems += ct2.nitems;	2779	ct.nitems += ct2.nitems;
2740		2780
2741	XFree (ct2.value);	2781	XFree (ct2.value);
2742	}	2782	}
…		…
2750	if (!delete_prop)	2790	if (!delete_prop)
2751	XDeleteProperty (dpy, win, prop);	2791	XDeleteProperty (dpy, win, prop);
2752		2792
2753	selection_wait = Sel_incr;	2793	selection_wait = Sel_incr;
2754	incr_buf_fill = 0;	2794	incr_buf_fill = 0;
2755	incr_ev.start (NOW + 10);	2795	incr_ev.start (10);
2756		2796
2757	goto bailout;	2797	goto bailout;
2758	}	2798	}
2759		2799
2760	if (ct.nitems == 0)	2800	if (ct.nitems == 0)
…		…
2769	ct.nitems = incr_buf_fill;	2809	ct.nitems = incr_buf_fill;
2770	incr_buf = 0;	2810	incr_buf = 0;
2771	incr_buf_size = 0;	2811	incr_buf_size = 0;
2772	incr_ev.stop ();	2812	incr_ev.stop ();
2773	}	2813	}
2774	else	2814	else
2775	{	2815	{
2776	if (selection_wait == Sel_normal	2816	if (selection_wait == Sel_normal
2777	&& (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion	2817	&& (win != display->root || prop != XA_CUT_BUFFER0)) // avoid recursion
2778	{	2818	{
2779	/*	2819	/*
…		…
2786	goto bailout;	2826	goto bailout;
2787	}	2827	}
2788	}	2828	}
2789	else if (selection_wait == Sel_incr)	2829	else if (selection_wait == Sel_incr)
2790	{	2830	{
2791	incr_ev.start (NOW + 10);	2831	incr_ev.start (10);
2792		2832
2793	while (incr_buf_fill + ct.nitems > incr_buf_size)	2833	while (incr_buf_fill + ct.nitems > incr_buf_size)
2794	{	2834	{
2795	incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;	2835	incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
2796	incr_buf = (char *)realloc (incr_buf, incr_buf_size);	2836	incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
2797	}	2837	}
2798		2838
2799	memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);	2839	memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
2800	incr_buf_fill += ct.nitems;	2840	incr_buf_fill += ct.nitems;
2801		2841
…		…
2836	if (selection_wait == Sel_normal)	2876	if (selection_wait == Sel_normal)
2837	selection_wait = Sel_none;	2877	selection_wait = Sel_none;
2838	}	2878	}
2839		2879
2840	void	2880	void
2841	rxvt_term::incr_cb (time_watcher &w) NOTHROW	2881	rxvt_term::incr_cb (ev::timer &w, int revents) NOTHROW
2842	{	2882	{
2843	selection_wait = Sel_none;	2883	selection_wait = Sel_none;
2844		2884
2845	incr_buf_size = 0;	2885	incr_buf_size = 0;
2846	free (incr_buf);	2886	free (incr_buf);
…		…
2857	selection_paste (win, prop, true);	2897	selection_paste (win, prop, true);
2858	}	2898	}
2859		2899
2860	/* ------------------------------------------------------------------------- */	2900	/* ------------------------------------------------------------------------- */
2861	/*	2901	/*
2862	* Request the current selection:	2902	* Request the current selection:
2863	* Order: > internal selection if available	2903	* Order: > internal selection if available
2864	* > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+)	2904	* > PRIMARY, SECONDARY, CLIPBOARD if ownership is claimed (+)
2865	* > CUT_BUFFER0	2905	* > CUT_BUFFER0
2866	* (+) if ownership is claimed but property is empty, rxvt_selection_paste ()	2906	* (+) if ownership is claimed but property is empty, rxvt_selection_paste ()
2867	* will auto fallback to CUT_BUFFER0	2907	* will auto fallback to CUT_BUFFER0
…		…
2869	*/	2909	*/
2870	void	2910	void
2871	rxvt_term::selection_request (Time tm, int selnum) NOTHROW	2911	rxvt_term::selection_request (Time tm, int selnum) NOTHROW
2872	{	2912	{
2873	if (selection.text && selnum == Sel_Primary)	2913	if (selection.text && selnum == Sel_Primary)
		2914	{
2874	{ /* internal selection */	2915	/* internal selection */
2875	char *str = rxvt_wcstombs (selection.text, selection.len);	2916	char *str = rxvt_wcstombs (selection.text, selection.len);
2876	paste (str, strlen (str));	2917	paste (str, strlen (str));
2877	free (str);	2918	free (str);
2878	return;	2919	return;
2879	}	2920	}
…		…
2883	selection_wait = Sel_normal;	2924	selection_wait = Sel_normal;
2884		2925
2885	#if X_HAVE_UTF8_STRING	2926	#if X_HAVE_UTF8_STRING
2886	selection_type = Sel_UTF8String;	2927	selection_type = Sel_UTF8String;
2887	if (selection_request_other (xa[XA_UTF8_STRING], selnum))	2928	if (selection_request_other (xa[XA_UTF8_STRING], selnum))
2888	return;	2929	return;
2889	#else	2930	#else
2890	selection_type = Sel_CompoundText;	2931	selection_type = Sel_CompoundText;
2891	if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))	2932	if (selection_request_other (xa[XA_COMPOUND_TEXT], selnum))
2892	return;	2933	return;
2893	#endif	2934	#endif
2894	}	2935	}
2895		2936
2896	selection_wait = Sel_none; /* don't loop in selection_paste () */	2937	selection_wait = Sel_none; /* don't loop in selection_paste () */
2897	selection_paste (display->root, XA_CUT_BUFFER0, false);	2938	selection_paste (display->root, XA_CUT_BUFFER0, false);
…		…
2925	/*	2966	/*
2926	* Clear all selected text	2967	* Clear all selected text
2927	* EXT: SelectionClear	2968	* EXT: SelectionClear
2928	*/	2969	*/
2929	void	2970	void
2930	rxvt_term::selection_clear () NOTHROW	2971	rxvt_term::selection_clear (bool clipboard) NOTHROW
2931	{	2972	{
		2973	if (!clipboard)
		2974	{
2932	want_refresh = 1;	2975	want_refresh = 1;
2933	free (selection.text);	2976	free (selection.text);
2934	selection.text = NULL;	2977	selection.text = NULL;
2935	selection.len = 0;	2978	selection.len = 0;
2936	CLEAR_SELECTION ();	2979	CLEAR_SELECTION ();
2937		2980
2938	if (display->selection_owner == this)	2981	if (display->selection_owner == this)
2939	display->selection_owner = 0;	2982	display->selection_owner = 0;
		2983	}
		2984	else
		2985	{
		2986	free (selection.clip_text);
		2987	selection.clip_text = NULL;
		2988	selection.clip_len = 0;
		2989
		2990	if (display->clipboard_owner == this)
		2991	display->clipboard_owner = 0;
		2992	}
2940	}	2993	}
2941		2994
2942	/* ------------------------------------------------------------------------- */	2995	/* ------------------------------------------------------------------------- */
2943	/*	2996	/*
2944	* Copy a selection into the cut buffer	2997	* Copy a selection into the cut buffer
2945	* EXT: button 1 or 3 release	2998	* EXT: button 1 or 3 release
2946	*/	2999	*/
2947	void	3000	void
2948	rxvt_term::selection_make (Time tm)	3001	rxvt_term::selection_make (Time tm)
2949	{	3002	{
2950	int i;	3003	int size;
2951	wchar_t *new_selection_text;	3004	wchar_t *new_selection_text;
2952	text_t *t;	3005	text_t *t;
2953		3006
2954	switch (selection.op)	3007	switch (selection.op)
2955	{	3008	{
…		…
2971	return; /* nothing selected, go away */	3024	return; /* nothing selected, go away */
2972		3025
2973	if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))	3026	if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
2974	return;	3027	return;
2975		3028
2976	i = (selection.end.row - selection.beg.row + 1) * (ncol + 1);	3029	size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
2977	new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));	3030	new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
2978		3031
2979	int ofs = 0;	3032	int ofs = 0;
2980	int extra = 0;	3033	int extra = 0;
2981		3034
2982	int col = selection.beg.col;	3035	int col = selection.beg.col;
…		…
2988	{	3041	{
2989	#if !ENABLE_MINIMAL	3042	#if !ENABLE_MINIMAL
2990	if (selection.rect)	3043	if (selection.rect)
2991	{	3044	{
2992	col = selection.beg.col;	3045	col = selection.beg.col;
2993	end_col = ncol + 1;	3046	end_col = selection.end.col;
2994	}	3047	}
2995	else	3048	else
2996	#endif	3049	#endif
2997	end_col = ROW(row).l;	3050	end_col = ROW(row).l;
2998		3051
2999	col = max (col, 0);	3052	col = max (col, 0);
3000		3053
3001	if (row == selection.end.row	3054	if (row == selection.end.row)
3002	#if !ENABLE_MINIMAL
3003	|| selection.rect
3004	#endif
3005	)
3006	min_it (end_col, selection.end.col);	3055	min_it (end_col, selection.end.col);
3007		3056
3008	t = ROW(row).t + col;	3057	t = ROW(row).t + col;
3009		3058
3010	for (; col < end_col; col++)	3059	for (; col < end_col; col++)
…		…
3018		3067
3019	extra -= (len - 1);	3068	extra -= (len - 1);
3020		3069
3021	if (extra < 0)	3070	if (extra < 0)
3022	{	3071	{
3023	extra += i;	3072	extra += size;
3024	i += i;	3073	size += size;
3025	new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t));	3074	new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
3026	}	3075	}
3027		3076
3028	ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);	3077	ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
3029	}	3078	}
3030	#endif	3079	#endif
…		…
3042		3091
3043	new_selection_text[ofs++] = C0_LF;	3092	new_selection_text[ofs++] = C0_LF;
3044	}	3093	}
3045	else	3094	else
3046	#endif	3095	#endif
3047	if (!ROW(row).is_longer () && row != selection.end.row)	3096	if (!ROW(row).is_longer ()
		3097	&& (row != selection.end.row || end_col != selection.end.col)
		3098	&& (row != selection.beg.row || selection.beg.col < ncol))
3048	new_selection_text[ofs++] = C0_LF;	3099	new_selection_text[ofs++] = C0_LF;
3049	}	3100	}
3050
3051	if (end_col != selection.end.col)
3052	new_selection_text[ofs++] = C0_LF;
3053		3101
3054	new_selection_text[ofs] = 0;	3102	new_selection_text[ofs] = 0;
3055		3103
3056	if (ofs == 0)	3104	if (ofs == 0)
3057	{	3105	{
…		…
3070		3118
3071	selection_grab (tm);	3119	selection_grab (tm);
3072	}	3120	}
3073		3121
3074	bool	3122	bool
3075	rxvt_term::selection_grab (Time tm) NOTHROW	3123	rxvt_term::selection_grab (Time tm, bool clipboard) NOTHROW
3076	{	3124	{
		3125	Atom sel;
		3126
		3127	if (!clipboard)
		3128	{
3077	selection_time = tm;	3129	selection_time = tm;
		3130	sel = XA_PRIMARY;
		3131	}
		3132	else
		3133	{
		3134	clipboard_time = tm;
		3135	sel = xa[XA_CLIPBOARD];
		3136	}
3078		3137
3079	XSetSelectionOwner (dpy, XA_PRIMARY, vt, tm);	3138	XSetSelectionOwner (dpy, sel, vt, tm);
3080	if (XGetSelectionOwner (dpy, XA_PRIMARY) == vt)	3139	if (XGetSelectionOwner (dpy, sel) == vt)
3081	{	3140	{
3082	display->set_selection_owner (this);	3141	display->set_selection_owner (this, clipboard);
3083	return true;	3142	return true;
3084	}	3143	}
3085	else	3144	else
3086	{	3145	{
3087	selection_clear ();	3146	selection_clear (clipboard);
3088	return false;	3147	return false;
3089	}	3148	}
3090		3149
3091	#if 0	3150	#if 0
3092	XTextProperty ct;	3151	XTextProperty ct;
…		…
3145	selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);	3204	selection.mark.col = clamp (selection.mark.col, 0, ncol - 1);
3146		3205
3147	while (selection.mark.col > 0	3206	while (selection.mark.col > 0
3148	&& ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)	3207	&& ROW(selection.mark.row).t[selection.mark.col] == NOCHAR)
3149	--selection.mark.col;	3208	--selection.mark.col;
3150		3209
3151	if (selection.op)	3210	if (selection.op)
		3211	{
3152	{ /* clear the old selection */	3212	/* clear the old selection */
3153	selection.beg.row = selection.end.row = selection.mark.row;	3213	selection.beg.row = selection.end.row = selection.mark.row;
3154	selection.beg.col = selection.end.col = selection.mark.col;	3214	selection.beg.col = selection.end.col = selection.mark.col;
3155	}	3215	}
3156		3216
3157	selection.op = SELECTION_INIT;	3217	selection.op = SELECTION_INIT;
…		…
3346	* a point/word/line which is either the start or end of the selection	3406	* a point/word/line which is either the start or end of the selection
3347	* and it was decided by whichever point/word/line was `fixed' at the	3407	* and it was decided by whichever point/word/line was `fixed' at the
3348	* time of the most recent button3 press	3408	* time of the most recent button3 press
3349	*/	3409	*/
3350	if (button3 && buttonpress)	3410	if (button3 && buttonpress)
		3411	{
3351	{ /* button3 press */	3412	/* button3 press */
3352	/*	3413	/*
3353	* first determine which edge of the selection we are closest to	3414	* first determine which edge of the selection we are closest to
3354	*/	3415	*/
3355	if (ROWCOL_IS_BEFORE (pos, selection.beg)	3416	if (ROWCOL_IS_BEFORE (pos, selection.beg)
3356	|| (!ROWCOL_IS_AFTER (pos, selection.end)	3417	|| (!ROWCOL_IS_AFTER (pos, selection.end)
…		…
3374	selection.mark.row = selection.beg.row;	3435	selection.mark.row = selection.beg.row;
3375	selection.mark.col = selection.beg.col;	3436	selection.mark.col = selection.beg.col;
3376	}	3437	}
3377	}	3438	}
3378	else	3439	else
		3440	{
3379	{ /* button1 drag or button3 drag */	3441	/* button1 drag or button3 drag */
3380	if (ROWCOL_IS_AFTER (selection.mark, pos))	3442	if (ROWCOL_IS_AFTER (selection.mark, pos))
3381	{	3443	{
3382	if (selection.mark.row == selection.end.row	3444	if (selection.mark.row == selection.end.row
3383	&& selection.mark.col == selection.end.col	3445	&& selection.mark.col == selection.end.col
3384	&& clickchange	3446	&& clickchange
…		…
3465	selection.end.row++;	3527	selection.end.row++;
3466	}	3528	}
3467	}	3529	}
3468		3530
3469	if (button3 && buttonpress)	3531	if (button3 && buttonpress)
		3532	{
3470	{ /* mark may need to be changed */	3533	/* mark may need to be changed */
3471	if (closeto == LEFT)	3534	if (closeto == LEFT)
3472	{	3535	{
3473	selection.mark.row = selection.end.row;	3536	selection.mark.row = selection.end.row;
3474	selection.mark.col = selection.end.col - (selection.clicks == 2);	3537	selection.mark.col = selection.end.col - (selection.clicks == 2);
3475	}	3538	}
…		…
3583	else if (rq.target == xa[XA_MULTIPLE])	3646	else if (rq.target == xa[XA_MULTIPLE])
3584	{	3647	{
3585	/* TODO: Handle MULTIPLE */	3648	/* TODO: Handle MULTIPLE */
3586	}	3649	}
3587	#endif	3650	#endif
3588	else if (rq.target == xa[XA_TIMESTAMP] && selection.text)	3651	else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == XA_PRIMARY && selection.text)
3589	{	3652	{
3590	XChangeProperty (dpy, rq.requestor, rq.property, rq.target,	3653	XChangeProperty (dpy, rq.requestor, rq.property, rq.target,
3591	32, PropModeReplace, (unsigned char *)&selection_time, 1);	3654	32, PropModeReplace, (unsigned char *)&selection_time, 1);
		3655	ev.property = rq.property;
		3656	}
		3657	else if (rq.target == xa[XA_TIMESTAMP] && rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
		3658	{
		3659	XChangeProperty (dpy, rq.requestor, rq.property, rq.target,
		3660	32, PropModeReplace, (unsigned char *)&clipboard_time, 1);
3592	ev.property = rq.property;	3661	ev.property = rq.property;
3593	}	3662	}
3594	else if (rq.target == XA_STRING	3663	else if (rq.target == XA_STRING
3595	|| rq.target == xa[XA_TEXT]	3664	|| rq.target == xa[XA_TEXT]
3596	|| rq.target == xa[XA_COMPOUND_TEXT]	3665	|| rq.target == xa[XA_COMPOUND_TEXT]
…		…
3629	{	3698	{
3630	target = xa[XA_COMPOUND_TEXT];	3699	target = xa[XA_COMPOUND_TEXT];
3631	style = enc_compound_text;	3700	style = enc_compound_text;
3632	}	3701	}
3633		3702
3634	if (selection.text)	3703	if (rq.selection == XA_PRIMARY && selection.text)
3635	{	3704	{
3636	cl = selection.text;	3705	cl = selection.text;
3637	selectlen = selection.len;	3706	selectlen = selection.len;
		3707	}
		3708	else if (rq.selection == xa[XA_CLIPBOARD] && selection.clip_text)
		3709	{
		3710	cl = selection.clip_text;
		3711	selectlen = selection.clip_len;
3638	}	3712	}
3639	else	3713	else
3640	{	3714	{
3641	cl = L"";	3715	cl = L"";
3642	selectlen = 0;	3716	selectlen = 0;
…		…
3674	XFree (ct.value);	3748	XFree (ct.value);
3675	}	3749	}
3676		3750
3677	XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);	3751	XSendEvent (dpy, rq.requestor, False, 0L, (XEvent *)&ev);
3678	}	3752	}
3679
3680	/* ------------------------------------------------------------------------- *
3681	* MOUSE ROUTINES *
3682	* ------------------------------------------------------------------------- */
3683
3684	/*
3685	* return col/row values corresponding to x/y pixel values
3686	*/
3687	void
3688	rxvt_term::pixel_position (int *x, int *y) NOTHROW
3689	{
3690	*x = Pixel2Col (*x);
3691	/* max_it (*x, 0); min_it (*x, (int)ncol - 1); */
3692	*y = Pixel2Row (*y);
3693	/* max_it (*y, 0); min_it (*y, (int)nrow - 1); */
3694	}
3695		3753
3696	/* ------------------------------------------------------------------------- */	3754	/* ------------------------------------------------------------------------- */
3697	#ifdef USE_XIM	3755	#ifdef USE_XIM
3698	void	3756	void
3699	rxvt_term::im_set_position (XPoint &pos) NOTHROW	3757	rxvt_term::im_set_position (XPoint &pos) NOTHROW
…		…
3726	h += 2; min_it (h, nrow);	3784	h += 2; min_it (h, nrow);
3727		3785
3728	x -= 1; clamp_it (x, 0, ncol - w);	3786	x -= 1; clamp_it (x, 0, ncol - w);
3729	y -= 1; clamp_it (y, 0, nrow - h);	3787	y -= 1; clamp_it (y, 0, nrow - h);
3730		3788
3731	ov_x = x; ov_y = y;	3789	ov.x = x; ov.y = y;
3732	ov_w = w; ov_h = h;	3790	ov.w = w; ov.h = h;
3733		3791
3734	ov_text = new text_t *[h];	3792	ov.text = new text_t *[h];
3735	ov_rend = new rend_t *[h];	3793	ov.rend = new rend_t *[h];
3736		3794
3737	for (y = 0; y < h; y++)	3795	for (y = 0; y < h; y++)
3738	{	3796	{
3739	text_t *tp = ov_text[y] = new text_t[w];	3797	text_t *tp = ov.text[y] = new text_t[w];
3740	rend_t *rp = ov_rend[y] = new rend_t[w];	3798	rend_t *rp = ov.rend[y] = new rend_t[w];
3741		3799
3742	text_t t0, t1, t2;	3800	text_t t0, t1, t2;
3743	rend_t r = OVERLAY_RSTYLE;	3801	rend_t r = OVERLAY_RSTYLE;
3744		3802
3745	if (y == 0)	3803	if (y == 0)
…		…
3764	}	3822	}
3765		3823
3766	void	3824	void
3767	rxvt_term::scr_overlay_off () NOTHROW	3825	rxvt_term::scr_overlay_off () NOTHROW
3768	{	3826	{
3769	if (!ov_text)	3827	if (!ov.text)
3770	return;	3828	return;
3771		3829
3772	want_refresh = 1;	3830	want_refresh = 1;
3773		3831
3774	for (int y = 0; y < ov_h; y++)	3832	for (int y = 0; y < ov.h; y++)
3775	{	3833	{
3776	delete [] ov_text[y];	3834	delete [] ov.text[y];
3777	delete [] ov_rend[y];	3835	delete [] ov.rend[y];
3778	}	3836	}
3779		3837
3780	delete [] ov_text; ov_text = 0;	3838	delete [] ov.text; ov.text = 0;
3781	delete [] ov_rend; ov_rend = 0;	3839	delete [] ov.rend; ov.rend = 0;
3782	}	3840	}
3783		3841
3784	void	3842	void
3785	rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW	3843	rxvt_term::scr_overlay_set (int x, int y, text_t text, rend_t rend) NOTHROW
3786	{	3844	{
3787	if (!ov_text || x >= ov_w - 2 || y >= ov_h - 2)	3845	if (!ov.text || x >= ov.w - 2 || y >= ov.h - 2)
3788	return;	3846	return;
3789		3847
3790	x++, y++;	3848	x++, y++;
3791		3849
3792	ov_text[y][x] = text;	3850	ov.text[y][x] = text;
3793	ov_rend[y][x] = rend;	3851	ov.rend[y][x] = rend;
3794	}	3852	}
3795		3853
3796	void	3854	void
3797	rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW	3855	rxvt_term::scr_overlay_set (int x, int y, const char *s) NOTHROW
3798	{	3856	{
…		…
3817	}	3875	}
3818		3876
3819	void	3877	void
3820	rxvt_term::scr_swap_overlay () NOTHROW	3878	rxvt_term::scr_swap_overlay () NOTHROW
3821	{	3879	{
3822	if (!ov_text)	3880	if (!ov.text)
3823	return;	3881	return;
3824		3882
		3883	// hide cursor if it is within the overlay area
		3884	if (IN_RANGE_EXC (screen.cur.col - ov.x, 0, ov.w)
		3885	&& IN_RANGE_EXC (screen.cur.row - ov.y, 0, ov.h))
		3886	screen.flags &= ~Screen_VisibleCursor;
		3887
3825	// swap screen mem with overlay	3888	// swap screen mem with overlay
3826	for (int y = ov_h; y--; )	3889	for (int y = ov.h; y--; )
3827	{	3890	{
3828	text_t *t1 = ov_text[y];	3891	text_t *t1 = ov.text[y];
3829	rend_t *r1 = ov_rend[y];	3892	rend_t *r1 = ov.rend[y];
3830		3893
3831	text_t *t2 = ROW(y + ov_y + view_start).t + ov_x;	3894	text_t *t2 = ROW(y + ov.y + view_start).t + ov.x;
3832	rend_t *r2 = ROW(y + ov_y + view_start).r + ov_x;	3895	rend_t *r2 = ROW(y + ov.y + view_start).r + ov.x;
3833		3896
3834	for (int x = ov_w; x--; )	3897	for (int x = ov.w; x--; )
3835	{	3898	{
3836	text_t t = *t1; *t1++ = *t2; *t2++ = t;	3899	text_t t = *t1; *t1++ = *t2; *t2++ = t;
3837	rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));	3900	rend_t r = *r1; *r1++ = *r2; *r2++ = SET_FONT (r, FONTSET (r)->find_font (t));
3838	}	3901	}
3839	}	3902	}

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