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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.119 by root, Mon Dec 13 01:29:03 2004 UTC vs.
Revision 1.378 by root, Tue Jun 5 11:10:50 2012 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: main.C	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>	6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
…		…
11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
12	* - extensive modifications	12	* - extensive modifications
13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
15	* - extensive modifications	15	* - extensive modifications
16	* Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com>	16	* Copyright (c) 2003-2010 Marc Lehmann <schmorp@schmorp.de>
17	*	17	*
18	* This program is free software; you can redistribute it and/or modify	18	* This program is free software; you can redistribute it and/or modify
19	* it under the terms of the GNU General Public License as published by	19	* it under the terms of the GNU General Public License as published by
20	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
…		…
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
32		32
33	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	35	#include "init.h"
		36	#include "keyboard.h"
		37	#include "rxvtperl.h"
36		38
		39	#include <limits>
		40
		41	#include <assert.h>
37	#include <signal.h>	42	#include <signal.h>
38
39	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>	43	#include <string.h>
41	#endif
42		44
43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	45	#include <termios.h>
45	#endif
46		46
47	#include <cstring>	47	#ifdef HAVE_XSETLOCALE
		48	# define X_LOCALE
		49	# include <X11/Xlocale.h>
		50	#else
		51	# include <locale.h>
		52	#endif
48		53
		54	struct termios rxvt_term::def_tio;
49	vector<rxvt_term *> rxvt_term::termlist;	55	vector<rxvt_term *> rxvt_term::termlist;
50		56
		57	// used to tell global functions which terminal instance is "active"
		58	rxvt_t rxvt_current_term;
		59
51	static char curlocale[128];	60	static char curlocale[128], savelocale[128];
52		61
53	bool	62	bool
54	rxvt_set_locale (const char *locale)	63	rxvt_set_locale (const char *locale) NOTHROW
55	{	64	{
		65	int size = strlen (locale) + 1;
		66
		67	if (size > sizeof (curlocale))
		68	rxvt_fatal ("locale string too long, aborting.\n");
		69
56	if (!locale || !strncmp (locale, curlocale, 128))	70	if (!locale || !memcmp (locale, curlocale, size))
57	return false;	71	return false;
58		72
59	strncpy (curlocale, locale, 128);	73	memcpy (curlocale, locale, size);
60	setlocale (LC_CTYPE, curlocale);	74	setlocale (LC_CTYPE, curlocale);
61	return true;	75	return true;
62	}	76	}
63		77
		78	void
		79	rxvt_push_locale (const char *locale) NOTHROW
		80	{
		81	strcpy (savelocale, curlocale);
		82	rxvt_set_locale (locale);
		83	}
		84
		85	void
		86	rxvt_pop_locale () NOTHROW
		87	{
		88	rxvt_set_locale (savelocale);
		89	}
		90
64	#if ENABLE_COMBINING	91	#if ENABLE_COMBINING
65	class rxvt_composite_vec rxvt_composite;	92	class rxvt_composite_vec rxvt_composite;
66		93
67	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)	94	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
68	{	95	{
69	compose_char *cc;	96	compose_char *cc;
70		97
71	// break compose chains, as stupid readline really likes to duplicate	98	// break compose chains, as stupid readline really likes to duplicate
72	// composing characters for some reason near the end of a line.	99	// composing characters for some reason, near the end of a line.
73	cc = (*this)[c1];	100	cc = (*this)[c1];
74	while (cc)	101	while (cc)
75	{	102	{
76	if (cc->c2 == c2) return c1;	103	if (cc->c2 == c2) return c1;
77	cc = (*this)[cc->c1];	104	cc = (*this)[cc->c1];
78	}	105	}
79		106
80	// check to see wether this combination already exists otherwise	107	// check to see whether this combination already exists otherwise
81	for (cc = v.end (); cc-- > v.begin (); )	108	for (cc = v.begin (); cc < v.end (); cc++)
82	{
83	if (cc->c1 == c1 && cc->c2 == c2)	109	if (cc->c1 == c1 && cc->c2 == c2)
84	return COMPOSE_LO + (cc - v.begin ());	110	return COMPOSE_LO + (cc - v.begin ());
85	}
86		111
87	// allocate a new combination	112	// allocate a new combination
88	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)	113	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
89	{	114	{
90	static int seen;	115	static int seen;
91		116
92	if (!seen++)	117	if (!seen++)
93	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");	118	rxvt_warn ("too many unrepresentable composite characters, try --enable-unicode3\n");
94		119
95	return REPLACEMENT_CHAR;	120	return REPLACEMENT_CHAR;
96	}	121	}
97		122
98	v.push_back (compose_char (c1, c2));	123	v.push_back (compose_char (c1, c2));
…		…
124		149
125	}	150	}
126	#endif	151	#endif
127		152
128	rxvt_term::rxvt_term ()	153	rxvt_term::rxvt_term ()
129	:	154	{
130	#if TRANSPARENT	155	#if HAVE_BG_PIXMAP
131	rootwin_ev (this, &rxvt_term::rootwin_cb),	156	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
132	#endif
133	#ifdef HAVE_SCROLLBARS
134	scrollbar_ev (this, &rxvt_term::x_cb),
135	#endif
136	#ifdef MENUBAR
137	menubar_ev (this, &rxvt_term::x_cb),
138	#endif	157	#endif
139	#ifdef CURSOR_BLINK	158	#ifdef CURSOR_BLINK
140	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),	159	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
141	#endif	160	#endif
142	#ifdef TEXT_BLINK	161	#ifdef TEXT_BLINK
143	text_blink_ev (this, &rxvt_term::text_blink_cb),	162	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
144	#endif	163	#endif
145	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING	164	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
146	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),	165	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
147	#endif	166	#endif
148	#ifdef SELECTION_SCROLLING	167	#ifdef SELECTION_SCROLLING
149	sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),	168	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
150	#endif	169	#endif
151	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)	170	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
152	slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),	171	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		172	#endif
		173	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		174	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		175	#endif
		176	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		177	#if USE_XIM
		178	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
153	#endif	179	#endif
154	#ifdef POINTER_BLANK	180	#ifdef POINTER_BLANK
155	pointer_ev (this, &rxvt_term::pointer_cb),	181	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
156	#endif	182	#endif
157	#ifdef USE_XIM	183	#ifndef NO_BELL
158	im_ev (this, &rxvt_term::im_cb),	184	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
159	#endif	185	#endif
160	sw_term (this, &rxvt_term::sig_term),	186	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
161	sw_chld (this, &rxvt_term::sig_chld),	187	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
162	termwin_ev (this, &rxvt_term::x_cb),	188	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
163	vt_ev (this, &rxvt_term::x_cb),	189	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
164	check_ev (this, &rxvt_term::check_cb),	190	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
165	flush_ev (this, &rxvt_term::flush_cb),	191	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
166	destroy_ev (this, &rxvt_term::destroy_cb),	192
167	pty_ev (this, &rxvt_term::pty_cb),
168	incr_ev (this, &rxvt_term::incr_cb)
169	{
170	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	193	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
171		194
172	termlist.push_back (this);	195	termlist.push_back (this);
173	}
174		196
175	rxvt_term::~rxvt_term ()	197	#ifdef KEYSYM_RESOURCE
176	{	198	keyboard = new keyboard_manager;
177	termlist.erase (find (termlist.begin (), termlist.end(), this));	199	#endif
		200	}
178		201
		202	// clean up the most important stuff, do *not* call x or free mem etc.
		203	// for use before an emergency exit
		204	void
		205	rxvt_term::emergency_cleanup ()
		206	{
179	if (cmd_pid)	207	if (cmd_pid)
180	kill (-cmd_pid, SIGHUP);	208	kill (-cmd_pid, SIGHUP);
181		209
182	pty.put ();	210	pty_ev.stop ();
		211	delete pty; pty = 0;
		212	}
183		213
184	#ifdef UTMP_SUPPORT	214	rxvt_term::~rxvt_term ()
185	privileged_utmp (RESTORE);	215	{
186	#endif	216	termlist.erase (find (termlist.begin (), termlist.end(), this));
		217
		218	emergency_cleanup ();
187		219
188	#if ENABLE_STYLES	220	#if ENABLE_STYLES
189	for (int i = RS_styleCount; --i; )	221	for (int i = RS_styleCount; --i; )
190	if (TermWin.fontset[i] != TermWin.fontset[0])	222	if (fontset[i] != fontset[0])
191	delete TermWin.fontset[i];	223	delete fontset[i];
192	#endif	224	#endif
193	delete TermWin.fontset[0];	225	delete fontset[0];
		226
		227	#ifdef HAVE_BG_PIXMAP
		228	bg_destroy ();
		229	#endif
194		230
195	if (display)	231	if (display)
196	{	232	{
197	selection_clear ();	233	selection_clear ();
		234	selection_clear (true);
198		235
199	#ifdef USE_XIM	236	#if USE_XIM
200	im_destroy ();	237	im_destroy ();
201	#endif	238	#endif
202	#ifdef MENUBAR	239	scrollBar.destroy ();
203	if (menubarGC) XFreeGC (display->display, menubarGC);	240	if (gc) XFreeGC (dpy, gc);
204	#endif
205	#ifdef XTERM_SCROLLBAR
206	if (xscrollbarGC) XFreeGC (display->display, xscrollbarGC);
207	if (ShadowGC) XFreeGC (display->display, ShadowGC);
208	#endif
209	#ifdef PLAIN_SCROLLBAR
210	if (pscrollbarGC) XFreeGC (display->display, pscrollbarGC);
211	#endif
212	#ifdef NEXT_SCROLLBAR
213	if (blackGC) XFreeGC (display->display, blackGC);
214	if (whiteGC) XFreeGC (display->display, whiteGC);
215	if (grayGC) XFreeGC (display->display, grayGC);
216	if (darkGC) XFreeGC (display->display, darkGC);
217	if (stippleGC) XFreeGC (display->display, stippleGC);
218	if (dimple) XFreePixmap (display->display, dimple);
219	if (upArrow) XFreePixmap (display->display, upArrow);
220	if (downArrow) XFreePixmap (display->display, downArrow);
221	if (upArrowHi) XFreePixmap (display->display, upArrowHi);
222	if (downArrowHi) XFreePixmap (display->display, downArrowHi);
223	#endif
224	#if defined(MENUBAR) || defined(RXVT_SCROLLBAR)
225	if (topShadowGC) XFreeGC (display->display, topShadowGC);
226	if (botShadowGC) XFreeGC (display->display, botShadowGC);
227	if (scrollbarGC) XFreeGC (display->display, scrollbarGC);
228	#endif
229	if (TermWin.gc) XFreeGC (display->display, TermWin.gc);
230		241
231	#if defined(MENUBAR) && (MENUBAR_MAX > 1)
232	delete menuBar.drawable;	242	delete drawable;
233	//if (menuBar.win)
234	// XDestroyWindow (display->display, menuBar.win);
235	#endif
236	delete TermWin.drawable;
237	// destroy all windows	243	// destroy all windows
238	if (TermWin.parent[0])	244	if (parent)
239	XDestroyWindow (display->display, TermWin.parent[0]);	245	XDestroyWindow (dpy, parent);
240	}
241		246
242	// TODO: free pixcolours, colours should become part of rxvt_display	247	for (int i = 0; i < TOTAL_COLORS; i++)
243		248	if (ISSET_PIXCOLOR (i))
244	delete pix_colors_focused;	249	{
		250	pix_colors_focused [i].free (this);
245	#ifdef OFF_FOCUS_FADING	251	#if OFF_FOCUS_FADING
246	delete pix_colors_unfocused;	252	pix_colors_unfocused [i].free (this);
247	#endif	253	#endif
		254	}
248		255
		256	clear ();
		257
		258	display->flush (); /* ideally .put should do this */
249	displays.put (display);	259	displays.put (display);
		260	}
250		261
251	scr_release ();	262	scr_release ();
252		263
253	/* clear all resources */	264	/* clear all resources */
254	for (int i = 0; i < allocated.size (); i++)	265	for (int i = 0; i < allocated.size (); i++)
255	free (allocated[i]);	266	free (allocated [i]);
256		267
257	free (selection.text);	268	free (selection.text);
258	// TODO: manage env vars in child only(!)	269	free (selection.clip_text);
259	free (env_windowid);
260	free (env_display);
261	free (env_term);
262	free (env_colorfgbg);
263	free (locale);	270	free (locale);
264	free (incr_buf);	271	free (v_buffer);
		272
		273	delete selection_req;
265		274
266	delete envv;	275	delete envv;
267	delete argv;	276	delete argv;
		277
		278	#ifdef KEYSYM_RESOURCE
		279	delete keyboard;
		280	#endif
		281	#ifndef NO_RESOURCES
		282	XrmDestroyDatabase (option_db);
		283	#endif
		284	}
		285
		286	// child has exited, usually destroys
		287	void
		288	rxvt_term::child_cb (ev::child &w, int status)
		289	{
		290	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		291
		292	cmd_pid = 0;
		293
		294	if (!option (Opt_hold))
		295	destroy ();
268	}	296	}
269		297
270	void	298	void
271	rxvt_term::destroy ()	299	rxvt_term::destroy ()
272	{	300	{
273	if (destroy_ev.active)	301	if (destroy_ev.is_active ())
274	return;	302	return;
		303
		304	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
275		305
276	#if ENABLE_OVERLAY	306	#if ENABLE_OVERLAY
277	scr_overlay_off ();	307	scr_overlay_off ();
278	#endif	308	#endif
279		309
280	if (display)	310	if (display)
281	{	311	{
282	#if USE_XIM	312	#if USE_XIM
283	im_ev.stop (display);	313	im_ev.stop (display);
284	#endif	314	#endif
285	#if HAVE_SCROLLBARS
286	scrollbar_ev.stop (display);	315	scrollbar_ev.stop (display);
287	#endif	316	#if ENABLE_TRANSPARENCY || ENABLE_PERL
288	#if MENUBAR
289	menubar_ev.stop (display);
290	#endif
291	#if TRANSPARENT
292	rootwin_ev.stop (display);	317	rootwin_ev.stop (display);
293	#endif	318	#endif
294	incr_ev.stop ();
295	termwin_ev.stop (display);	319	termwin_ev.stop (display);
296	vt_ev.stop (display);	320	vt_ev.stop (display);
297	}	321	}
298		322
299	check_ev.stop ();	323	flush_ev.stop ();
300	pty_ev.stop ();	324	pty_ev.stop ();
301	#ifdef CURSOR_BLINK	325	#ifdef CURSOR_BLINK
302	cursor_blink_ev.stop ();	326	cursor_blink_ev.stop ();
303	#endif	327	#endif
304	#ifdef TEXT_BLINK	328	#ifdef TEXT_BLINK
…		…
312	#endif	336	#endif
313	#ifdef POINTER_BLANK	337	#ifdef POINTER_BLANK
314	pointer_ev.stop ();	338	pointer_ev.stop ();
315	#endif	339	#endif
316		340
317	destroy_ev.start (0);	341	destroy_ev.start ();
318	}	342	}
319		343
320	void	344	void
321	rxvt_term::destroy_cb (time_watcher &w)	345	rxvt_term::destroy_cb (ev::idle &w, int revents)
322	{	346	{
323	SET_R (this);	347	make_current ();
324		348
325	delete this;	349	delete this;
326	}	350	}
327		351
328	/*----------------------------------------------------------------------*/	352	void
329	/* rxvt_init () */	353	rxvt_term::set_option (uint8_t opt, bool set) NOTHROW
330	bool
331	rxvt_term::init (int argc, const char *const *argv)
332	{	354	{
333	SET_R (this);	355	if (!opt)
334
335	if (!init_vars ())
336	return false;	356	return;
337		357
338	init_secondary ();	358	uint8_t mask = 1 << (opt & 7);
		359	uint8_t &val = options [opt >> 3];
339		360
340	const char **cmd_argv = init_resources (argc, argv);	361	val = val & ~mask | (set ? mask : 0);
341
342	set_locale ("");
343
344	#if MENUBAR_MAX
345	menubar_read (rs[Rs_menu]);
346	#endif
347	#ifdef HAVE_SCROLLBARS
348	if (options & Opt_scrollBar)
349	scrollBar.setIdle (); /* set existence for size calculations */
350	#endif
351
352	create_windows (argc, argv);
353
354	init_xlocale ();
355
356	scr_reset (); /* initialize screen */
357
358	#if 0
359	XSynchronize (display->display, True);
360	#endif
361
362	#ifdef HAVE_SCROLLBARS
363	if (options & Opt_scrollBar)
364	resize_scrollbar (); /* create and map scrollbar */
365	#endif
366	#if (MENUBAR_MAX)
367	if (menubar_visible ())
368	XMapWindow (display->display, menuBar.win);
369	#endif
370	#ifdef TRANSPARENT
371	if (options & Opt_transparent)
372	{
373	XSelectInput (display->display, display->root, PropertyChangeMask);
374	check_our_parents ();
375	rootwin_ev.start (display, display->root);
376	}
377	#endif
378
379	XMapWindow (display->display, TermWin.vt);
380	XMapWindow (display->display, TermWin.parent[0]);
381
382	set_colorfgbg ();
383
384	init_command (cmd_argv);
385
386	pty_ev.start (pty.pty, EVENT_READ);
387
388	check_ev.start ();
389
390	return true;
391	}
392
393	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
394
395	void
396	rxvt_init ()
397	{
398	/*
399	* Save and then give up any super-user privileges
400	* If we need privileges in any area then we must specifically request it.
401	* We should only need to be root in these cases:
402	* 1. write utmp entries on some systems
403	* 2. chown tty on some systems
404	*/
405	rxvt_privileges (SAVE);
406	rxvt_privileges (IGNORE);
407
408	signal (SIGHUP, SIG_IGN);
409	signal (SIGPIPE, SIG_IGN);
410
411	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
412	/* signal (SIGURG, SIG_DFL); */
413
414	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
415	// TODO: handle this with exceptions and tolerate the memory loss
416	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
417	}
418
419	/* ------------------------------------------------------------------------- *
420	* SIGNAL HANDLING & EXIT HANDLER *
421	* ------------------------------------------------------------------------- */
422	/*
423	* Catch a SIGCHLD signal and exit if the direct child has died
424	*/
425
426	void
427	rxvt_term::sig_chld (sig_watcher &w)
428	{
429	// we are being called for every SIGCHLD, not just ours
430	int pid;
431
432	while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
433	for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
434	if (pid == (*t)->cmd_pid)
435	{
436	(*t)->destroy ();
437	break;
438	}
439	}	362	}
440		363
441	/*----------------------------------------------------------------------*/	364	/*----------------------------------------------------------------------*/
442	/*	365	/*
443	* Exit gracefully, clearing the utmp entry and restoring tty attributes	366	* Exit gracefully, clearing the utmp entry and restoring tty attributes
444	* TODO: if debugging, this should free up any known resources if we can	367	* TODO: if debugging, this should free up any known resources if we can
445	*/	368	*/
446	void	369	static XErrorHandler old_xerror_handler;
447	rxvt_destroy_all ()	370
		371	static void
		372	rxvt_emergency_cleanup ()
448	{	373	{
449	// TODO: rxvtd should clean up all ressources
450	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)	374	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
451	(*t)->destroy ();	375	(*t)->emergency_cleanup ();
452	}	376	}
453		377
454	/*	378	#if !ENABLE_MINIMAL
455	* Catch a fatal signal and tidy up before quitting	379	static void ecb_cold
456	*/	380	print_x_error (Display *dpy, XErrorEvent *event)
457	void
458	rxvt_term::sig_term (sig_watcher &w)
459	{	381	{
460	#ifdef DEBUG_CMD	382	char buffer[BUFSIZ];
461	rxvt_warn ("caught signal %d, exiting.\n", w.signum);	383	char mesg[BUFSIZ];
462	#endif	384	char number[32];
463	rxvt_destroy_all ();	385	const char mtype[] = "XlibMessage";
464	signal (w.signum, SIG_DFL);
465	kill (getpid (), w.signum);
466	}
467		386
468	/* INTPROTO */	387	XGetErrorText (dpy, event->error_code, buffer, BUFSIZ);
469	int	388	XGetErrorDatabaseText (dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		389	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
		390	rxvt_warn ("%s: %s\n", mesg, buffer);
		391	XGetErrorDatabaseText (dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		392	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		393	sprintf (number, "%d", event->request_code);
		394	XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
		395	rxvt_warn ("(which is %s)\n", buffer);
		396
		397	if (event->request_code >= 128)
		398	{
		399	XGetErrorDatabaseText (dpy, mtype, "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
		400	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		401	}
		402
		403	if (event->error_code == BadWindow
		404	|| event->error_code == BadPixmap
		405	|| event->error_code == BadCursor
		406	|| event->error_code == BadFont
		407	|| event->error_code == BadDrawable
		408	|| event->error_code == BadColor
		409	|| event->error_code == BadGC
		410	|| event->error_code == BadIDChoice
		411	|| event->error_code == BadValue
		412	|| event->error_code == BadAtom)
		413	{
		414	if (event->error_code == BadValue)
		415	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x", mesg, BUFSIZ);
		416	else if (event->error_code == BadAtom)
		417	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x", mesg, BUFSIZ);
		418	else
		419	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x", mesg, BUFSIZ);
		420
		421	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		422	}
		423
		424	XGetErrorDatabaseText (dpy, mtype, "ErrorSerial", "Error Serial #%d", mesg, BUFSIZ);
		425	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		426	}
		427	#endif
		428
		429	int ecb_cold
470	rxvt_xerror_handler (Display *display, XErrorEvent *event)	430	rxvt_xerror_handler (Display *display, XErrorEvent *event)
471	{	431	{
472	if (GET_R->allowedxerror == -1)	432	if (GET_R->allowedxerror == -1)
473	GET_R->allowedxerror = event->error_code;	433	GET_R->allowedxerror = event->error_code;
474	else	434	else
475	{	435	{
		436	// GET_R is most likely not the terminal which caused the error,
		437	// so just output the error and continue
		438	#if ENABLE_MINIMAL
476	old_xerror_handler (display, event);	439	old_xerror_handler (display, event);
477	GET_R->destroy ();	440	#else
		441	print_x_error (display, event);
		442	#endif
478	}	443	}
479		444
480	return 0;	445	return 0;
481	}	446	}
482		447
483	/* ------------------------------------------------------------------------- *	448	int ecb_cold
484	* MEMORY ALLOCATION WRAPPERS *	449	rxvt_xioerror_handler (Display *display)
485	* ------------------------------------------------------------------------- */	450	{
		451	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		452	DisplayString (display));
		453	rxvt_emergency_cleanup ();
		454	_exit (EXIT_FAILURE);
		455	}
		456
		457	static struct sig_handlers
		458	{
		459	ev::sig sw_term, sw_int;
		460
		461	/*
		462	* Catch a fatal signal and tidy up before quitting
		463	*/
		464	void sig_term (ev::sig &w, int revents);
		465
		466	sig_handlers ()
		467	{
		468	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		469	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
		470	}
		471	} sig_handlers;
		472
486	void *	473	void
487	rxvt_malloc (size_t size)	474	sig_handlers::sig_term (ev::sig &w, int revents)
488	{	475	{
489	void *p = malloc (size);	476	rxvt_emergency_cleanup ();
490		477	w.stop ();
491	if (!p)	478	kill (getpid (), w.signum);
492	rxvt_fatal ("memory allocation failure. aborting.\n");
493
494	return p;
495	}	479	}
496		480
497	/* INTPROTO */	481	static void
498	void *	482	rxvt_get_ttymode (struct termios *tio)
499	rxvt_calloc (size_t number, size_t size)
500	{	483	{
501	void *p = calloc (number, size);	484	if (tcgetattr (STDIN_FILENO, tio) < 0)
		485	memset (tio, 0, sizeof (struct termios));
502		486
503	if (!p)	487	for (int i = 0; i < NCCS; i++)
504	rxvt_fatal ("memory allocation failure. aborting.\n");	488	tio->c_cc[i] = VDISABLE;
505		489
506	return p;	490	tio->c_cc[VINTR] = CINTR;
507	}	491	tio->c_cc[VQUIT] = CQUIT;
508		492	tio->c_cc[VERASE] = CERASE;
509	/* INTPROTO */	493	#ifdef VERASE2
510	void *	494	tio->c_cc[VERASE2] = CERASE2;
511	rxvt_realloc (void *ptr, size_t size)
512	{
513	void *p = realloc (ptr, size);
514
515	if (!p)
516	rxvt_fatal ("memory allocation failure. aborting.\n");
517
518	return p;
519	}
520
521	/* ------------------------------------------------------------------------- *
522	* PRIVILEGED OPERATIONS *
523	* ------------------------------------------------------------------------- */
524	/* take care of suid/sgid super-user (root) privileges */
525	void
526	rxvt_privileges (rxvt_privaction action)
527	{
528	#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
529	static uid_t euid;
530	static gid_t egid;
531	#endif	495	#endif
532		496	tio->c_cc[VKILL] = CKILL;
533	#if ! defined(__CYGWIN32__)	497	tio->c_cc[VEOF] = CEOF;
534	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	498	tio->c_cc[VSTART] = CSTART;
535	/* setreuid () is the poor man's setuid (), seteuid () */	499	tio->c_cc[VSTOP] = CSTOP;
536	# define seteuid(a) setreuid(-1, (a))	500	tio->c_cc[VSUSP] = CSUSP;
537	# define setegid(a) setregid(-1, (a))	501	# ifdef VDSUSP
538	# define HAVE_SETEUID	502	tio->c_cc[VDSUSP] = CDSUSP;
539	# endif	503	# endif
540	# ifdef HAVE_SETEUID	504	# ifdef VREPRINT
541	switch (action)	505	tio->c_cc[VREPRINT] = CRPRNT;
542	{
543	case IGNORE:
544	/*
545	* change effective uid/gid - not real uid/gid - so we can switch
546	* back to root later, as required
547	*/
548	seteuid (getuid ());
549	setegid (getgid ());
550	break;
551	case SAVE:
552	euid = geteuid ();
553	egid = getegid ();
554	break;
555	case RESTORE:
556	seteuid (euid);
557	setegid (egid);
558	break;
559	}
560	# else
561	switch (action)
562	{
563	case IGNORE:
564	setuid (getuid ());
565	setgid (getgid ());
566	/* FALLTHROUGH */
567	case SAVE:
568	/* FALLTHROUGH */
569	case RESTORE:
570	break;
571	}
572	# endif	506	# endif
		507	# ifdef VDISCRD
		508	tio->c_cc[VDISCRD] = CFLUSH;
573	#endif	509	# endif
574	}	510	# ifdef VWERSE
575		511	tio->c_cc[VWERSE] = CWERASE;
576	#ifdef UTMP_SUPPORT
577	void
578	rxvt_term::privileged_utmp (rxvt_privaction action)
579	{
580	if ((options & Opt_utmpInhibit)
581	|| !pty.name || !*pty.name)
582	return;
583
584	rxvt_privileges (RESTORE);
585
586	if (action == SAVE)
587	makeutent (pty.name, rs[Rs_display_name]);
588	else
589	cleanutent ();
590
591	rxvt_privileges (IGNORE);
592	}
593	#endif	512	# endif
		513	# ifdef VLNEXT
		514	tio->c_cc[VLNEXT] = CLNEXT;
		515	# endif
		516	# ifdef VSTATUS
		517	tio->c_cc[VSTATUS] = CSTATUS;
		518	# endif
		519
		520	# if VMIN != VEOF
		521	tio->c_cc[VMIN] = 1;
		522	# endif
		523	# if VTIME != VEOL
		524	tio->c_cc[VTIME] = 0;
		525	# endif
		526
		527	/* input modes */
		528	tio->c_iflag = (BRKINT | IGNPAR | ICRNL
		529	# ifdef IMAXBEL
		530	| IMAXBEL
		531	# endif
		532	| IXON);
		533
		534	/* output modes */
		535	tio->c_oflag = (OPOST | ONLCR);
		536
		537	/* control modes */
		538	tio->c_cflag = (CS8 | CREAD);
		539
		540	/* local modes */
		541	tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
		542	# if defined (ECHOCTL) && defined (ECHOKE)
		543	| ECHOCTL | ECHOKE
		544	# endif
		545	| ECHOE | ECHOK);
		546	}
		547
		548	char **rxvt_environ; // startup environment
		549
		550	void
		551	rxvt_init ()
		552	{
		553	assert (("fontMask must not overlap other RS masks",
		554	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
		555
		556	rxvt_get_ttymode (&rxvt_term::def_tio);
		557
		558	// get rid of stdin/stdout as we don't need them, to free resources
		559	dup2 (STDERR_FILENO, STDIN_FILENO);
		560	dup2 (STDERR_FILENO, STDOUT_FILENO);
		561
		562	if (!ev_default_loop ())
		563	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		564
		565	rxvt_environ = environ;
		566
		567	signal (SIGHUP, SIG_IGN);
		568	signal (SIGPIPE, SIG_IGN);
		569
		570	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		571	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		572
		573	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		574	// TODO: handle this with exceptions and tolerate the memory loss
		575	XSetIOErrorHandler (rxvt_xioerror_handler);
		576
		577	XrmInitialize ();
		578
		579	#if HAVE_PIXBUF
		580	g_type_init ();
		581	#endif
		582	}
594		583
595	/*----------------------------------------------------------------------*/	584	/*----------------------------------------------------------------------*/
596	/*	585	/*
597	* window size/position calculcations for XSizeHint and other storage.	586	* window size/position calculations for XSizeHint and other storage.
598	* if width/height are non-zero then override calculated width/height	587	* if width/height are non-zero then override calculated width/height
599	*/	588	*/
600	void	589	void
601	rxvt_term::window_calc (unsigned int width, unsigned int height)	590	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
602	{	591	{
603	short recalc_x, recalc_y;	592	short recalc_x, recalc_y;
604	int x, y, sb_w, mb_h, flags;	593	int x, y, flags;
605	unsigned int w, h;	594	unsigned int w, h;
606	unsigned int max_width, max_height;	595	unsigned int max_width, max_height;
607		596
608	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
609	TermWin.ncol, TermWin.nrow, szHint.width,
610	szHint.height));
611	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	597	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
612	szHint.win_gravity = NorthWestGravity;	598	szHint.win_gravity = NorthWestGravity;
613	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	599	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
614		600
615	recalc_x = recalc_y = 0;	601	recalc_x = recalc_y = 0;
616	flags = 0;	602	flags = 0;
		603
617	if (!parsed_geometry)	604	if (!parsed_geometry)
618	{	605	{
619	parsed_geometry = 1;	606	parsed_geometry = 1;
		607
620	if (rs[Rs_geometry])	608	if (rs[Rs_geometry])
621	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);	609	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		610
622	if (flags & WidthValue)	611	if (flags & WidthValue)
623	{	612	{
624	TermWin.ncol = BOUND_POSITIVE_INT16 (w);	613	if (!w)
		614	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		615
		616	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
625	szHint.flags |= USSize;	617	szHint.flags |= USSize;
626	}	618	}
		619
627	if (flags & HeightValue)	620	if (flags & HeightValue)
628	{	621	{
629	TermWin.nrow = BOUND_POSITIVE_INT16 (h);	622	if (!h)
		623	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		624
		625	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
630	szHint.flags |= USSize;	626	szHint.flags |= USSize;
631	}	627	}
		628
632	if (flags & XValue)	629	if (flags & XValue)
633	{	630	{
634	szHint.x = x;	631	szHint.x = x;
635	szHint.flags |= USPosition;	632	szHint.flags |= USPosition;
		633
636	if (flags & XNegative)	634	if (flags & XNegative)
637	{	635	{
638	recalc_x = 1;	636	recalc_x = 1;
639	szHint.win_gravity = NorthEastGravity;	637	szHint.win_gravity = NorthEastGravity;
640	}	638	}
641	}	639	}
		640
642	if (flags & YValue)	641	if (flags & YValue)
643	{	642	{
644	szHint.y = y;	643	szHint.y = y;
645	szHint.flags |= USPosition;	644	szHint.flags |= USPosition;
		645
646	if (flags & YNegative)	646	if (flags & YNegative)
647	{	647	{
648	recalc_y = 1;	648	recalc_y = 1;
		649
649	if (szHint.win_gravity == NorthEastGravity)	650	if (szHint.win_gravity == NorthEastGravity)
650	szHint.win_gravity = SouthEastGravity;	651	szHint.win_gravity = SouthEastGravity;
651	else	652	else
652	szHint.win_gravity = SouthWestGravity;	653	szHint.win_gravity = SouthWestGravity;
653	}	654	}
654	}	655	}
655	}	656	}
656		657
657	/* TODO: BOUNDS */	658	/* TODO: BOUNDS */
658	TermWin.width = TermWin.ncol * TermWin.fwidth;	659	width = ncol * fwidth;
659	TermWin.height = TermWin.nrow * TermWin.fheight;	660	height = nrow * fheight;
660	max_width = MAX_COLS * TermWin.fwidth;	661	max_width = MAX_COLS * fwidth;
661	max_height = MAX_ROWS * TermWin.fheight;	662	max_height = MAX_ROWS * fheight;
662		663
663	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	664	szHint.base_width = szHint.base_height = 2 * int_bwidth;
664		665
665	sb_w = mb_h = 0;
666	window_vt_x = window_vt_y = TermWin.int_bwidth;	666	window_vt_x = window_vt_y = int_bwidth;
667		667
668	if (scrollbar_visible ())	668	if (scrollBar.state)
669	{	669	{
670	sb_w = scrollbar_TotalWidth ();	670	int sb_w = scrollBar.total_width ();
671	szHint.base_width += sb_w;	671	szHint.base_width += sb_w;
		672
672	if (!(options & Opt_scrollBar_right))	673	if (!option (Opt_scrollBar_right))
673	window_vt_x += sb_w;	674	window_vt_x += sb_w;
674	}	675	}
675		676
676	if (menubar_visible ())
677	{
678	mb_h = menuBar_TotalHeight ();
679	szHint.base_height += mb_h;
680	window_vt_y += mb_h;
681	}
682
683	szHint.width_inc = TermWin.fwidth;	677	szHint.width_inc = fwidth;
684	szHint.height_inc = TermWin.fheight;	678	szHint.height_inc = fheight;
685	szHint.min_width = szHint.base_width + szHint.width_inc;	679	szHint.min_width = szHint.base_width + szHint.width_inc;
686	szHint.min_height = szHint.base_height + szHint.height_inc;	680	szHint.min_height = szHint.base_height + szHint.height_inc;
687		681
688	if (width && width - szHint.base_width < max_width)	682	if (newwidth && newwidth - szHint.base_width < max_width)
689	{	683	{
690	szHint.width = width;	684	szHint.width = newwidth;
691	TermWin.width = width - szHint.base_width;	685	width = newwidth - szHint.base_width;
692	}	686	}
693	else	687	else
694	{	688	{
695	MIN_IT (TermWin.width, max_width);	689	min_it (width, max_width);
696	szHint.width = szHint.base_width + TermWin.width;	690	szHint.width = szHint.base_width + width;
697	}	691	}
698		692
699	if (height && height - szHint.base_height < max_height)	693	if (newheight && newheight - szHint.base_height < max_height)
700	{	694	{
701	szHint.height = height;	695	szHint.height = newheight;
702	TermWin.height = height - szHint.base_height;	696	height = newheight - szHint.base_height;
703	}	697	}
704	else	698	else
705	{	699	{
706	MIN_IT (TermWin.height, max_height);	700	min_it (height, max_height);
707	szHint.height = szHint.base_height + TermWin.height;	701	szHint.height = szHint.base_height + height;
708	}	702	}
709
710	if (scrollbar_visible () && (options & Opt_scrollBar_right))
711	window_sb_x = szHint.width - sb_w;
712		703
713	if (recalc_x)	704	if (recalc_x)
714	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	705	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
715	- szHint.width - 2 * TermWin.ext_bwidth);	706
716	if (recalc_y)	707	if (recalc_y)
717	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	708	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
718	- szHint.height - 2 * TermWin.ext_bwidth);
719		709
720	TermWin.ncol = TermWin.width / TermWin.fwidth;	710	ncol = width / fwidth;
721	TermWin.nrow = TermWin.height / TermWin.fheight;	711	nrow = height / fheight;
722	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	712
723	TermWin.ncol, TermWin.nrow, szHint.width,	713	// When the size of the vt window is not a multiple of the cell
724	szHint.height));	714	// size, i.e., when the wm does not honour our size hints, there are
725	return;	715	// extra areas not covered by the terminal screen. Such gaps, when a
		716	// bg pixmap is set, would have to be cleared manually to properly
		717	// refresh the background. We take the simpler route and shrink the
		718	// vt window so as to avoid creating gaps.
		719	vt_width = ncol * fwidth;
		720	vt_height = nrow * fheight;
726	}	721	}
727		722
728	/*----------------------------------------------------------------------*/	723	/*----------------------------------------------------------------------*/
729	/*	724	/*
730	* Tell the teletype handler what size the window is.	725	* Tell the teletype handler what size the window is.
731	* Called after a window size change.	726	* Called after a window size change.
732	*/	727	*/
733	void	728	void
734	rxvt_term::tt_winch ()	729	rxvt_term::tt_winch ()
735	{	730	{
736	if (pty.pty < 0)	731	if (pty->pty < 0)
737	return;	732	return;
738		733
739	struct winsize ws;	734	struct winsize ws;
740		735
741	ws.ws_col = TermWin.ncol;	736	ws.ws_col = ncol;
742	ws.ws_row = TermWin.nrow;	737	ws.ws_row = nrow;
743	ws.ws_xpixel = TermWin.width;	738	ws.ws_xpixel = vt_width;
744	ws.ws_ypixel = TermWin.height;	739	ws.ws_ypixel = vt_height;
745	(void)ioctl (pty.pty, TIOCSWINSZ, &ws);	740	ioctl (pty->pty, TIOCSWINSZ, &ws);
746		741
747	#if 0	742	#if 0
748	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly	743	// TIOCSWINSZ is supposed to do this automatically and correctly
749	if (cmd_pid) /* force through to the command */	744	if (cmd_pid) /* force through to the command */
750	kill (cmd_pid, SIGWINCH);	745	kill (-cmd_pid, SIGWINCH);
751	#endif	746	#endif
752	}	747	}
753		748
754	/*----------------------------------------------------------------------*/	749	/*----------------------------------------------------------------------*/
755	/* set_fonts () - load and set the various fonts	750	/* load and set the various fonts */
756	/*
757	* init = 1 - initialize
758	*
759	* fontname == FONT_UP - switch to bigger font
760	* fontname == FONT_DN - switch to smaller font
761	*/
762	bool	751	bool
763	rxvt_term::set_fonts ()	752	rxvt_term::set_fonts ()
764	{	753	{
765	rxvt_fontset *fs = new rxvt_fontset (this);	754	rxvt_fontset *fs = new rxvt_fontset (this);
766	rxvt_fontprop prop;	755	rxvt_fontprop prop;
…		…
773	return false;	762	return false;
774	}	763	}
775		764
776	#if ENABLE_STYLES	765	#if ENABLE_STYLES
777	for (int i = RS_styleCount; --i; )	766	for (int i = RS_styleCount; --i; )
778	if (TermWin.fontset[i] != TermWin.fontset[0])	767	if (fontset[i] != fontset[0])
779	delete TermWin.fontset[i];	768	delete fontset[i];
780	#endif	769	#endif
781		770
782	delete TermWin.fontset[0];	771	delete fontset[0];
783	TermWin.fontset[0] = fs;	772	fontset[0] = fs;
784		773
785	prop = (*fs)[1]->properties ();	774	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		775	prop.width += letterSpace;
		776
786	fs->set_prop (prop);	777	fs->set_prop (prop, false);
787		778
788	TermWin.fwidth = prop.width;	779	fwidth = prop.width;
789	TermWin.fheight = prop.height;	780	fheight = prop.height + lineSpace;
790	TermWin.fweight = prop.weight;	781	fbase = prop.ascent;
791	TermWin.fslant = prop.slant;
792	TermWin.fbase = (*fs)[1]->ascent;
793		782
794	for (int style = 1; style < 4; style++)	783	for (int style = 1; style < 4; style++)
795	{	784	{
796	#if ENABLE_STYLES	785	#if ENABLE_STYLES
797	const char *res = rs[Rs_font + style];	786	const char *res = rs[Rs_font + style];
798		787
799	if (res && !*res)	788	if (res && !*res)
800	TermWin.fontset[style] = TermWin.fontset[0];	789	fontset[style] = fontset[0];
801	else	790	else
802	{	791	{
803	TermWin.fontset[style] = fs = new rxvt_fontset (this);	792	fontset[style] = fs = new rxvt_fontset (this);
804	rxvt_fontprop prop2 = prop;	793	rxvt_fontprop prop2 = prop;
805		794
806	if (res)	795	if (res)
807	prop2.weight = prop2.slant = rxvt_fontprop::unset;	796	{
		797	fs->populate (res);
		798	fs->set_prop (prop2, false);
		799	}
808	else	800	else
809	{	801	{
810	res = TermWin.fontset[0]->fontdesc;	802	fs->populate (fontset[0]->fontdesc);
811		803
812	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;	804	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
813	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;	805	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		806
		807	fs->set_prop (prop2, true);
814	}	808	}
815		809
816	fs->populate (res);
817	fs->set_prop (prop2);
818	}	810	}
819	#else	811	#else
820	TermWin.fontset[style] = TermWin.fontset[0];	812	fontset[style] = fontset[0];
821	#endif	813	#endif
822	}	814	}
823		815
824	if (TermWin.parent[0])	816	if (parent)
825	{	817	{
826	resize_all_windows (0, 0, 0);	818	resize_all_windows (0, 0, 0);
827	scr_remap_chars ();	819	scr_remap_chars ();
828	scr_touch (true);	820	scr_touch (true);
829	}	821	}
830		822
831	return true;	823	return true;
832	}	824	}
833		825
		826	void
834	void rxvt_term::set_string_property (Atom prop, const char *str, int len)	827	rxvt_term::set_string_property (Atom prop, const char *str, int len)
835	{	828	{
836	// TODO: SMART_WINDOW_TITLE	829	XChangeProperty (dpy, parent,
837	XChangeProperty (display->display, TermWin.parent[0],
838	prop, XA_STRING, 8, PropModeReplace,	830	prop, XA_STRING, 8, PropModeReplace,
839	(const unsigned char *)str, len >= 0 ? len : strlen (str));	831	(const unsigned char *)str, len >= 0 ? len : strlen (str));
840	}	832	}
841		833
		834	void
		835	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		836	{
		837	XTextProperty ct;
		838
		839	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		840	{
		841	XSetTextProperty (dpy, parent, &ct, prop);
		842	XFree (ct.value);
		843	}
		844	}
		845
		846	void
842	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)	847	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
843	{	848	{
844	// TODO: SMART_WINDOW_TITLE
845	wchar_t *ws = rxvt_mbstowcs (str, len);	849	wchar_t *ws = rxvt_mbstowcs (str, len);
846	char *s = rxvt_wcstoutf8 (ws);	850	char *s = rxvt_wcstoutf8 (ws);
847		851
848	XChangeProperty (display->display, TermWin.parent[0],	852	XChangeProperty (dpy, parent,
849	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,	853	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
850	(const unsigned char *)s, strlen (s));	854	(const unsigned char *)s, strlen (s));
851		855
852	free (s);	856	free (s);
853	free (ws);	857	free (ws);
…		…
857	/*----------------------------------------------------------------------*/	861	/*----------------------------------------------------------------------*/
858	/* xterm sequences - title, iconName, color (exptl) */	862	/* xterm sequences - title, iconName, color (exptl) */
859	void	863	void
860	rxvt_term::set_title (const char *str)	864	rxvt_term::set_title (const char *str)
861	{	865	{
862	set_string_property (XA_WM_NAME, str);	866	set_mbstring_property (XA_WM_NAME, str);
863	#if ENABLE_FRILLS	867	#if ENABLE_EWMH
864	set_utf8_property (display->atom ("_NET_WM_NAME"), str);	868	set_utf8_property (xa[XA_NET_WM_NAME], str);
865	#endif	869	#endif
866	}	870	}
867		871
868	void	872	void
869	rxvt_term::set_icon_name (const char *str)	873	rxvt_term::set_icon_name (const char *str)
870	{	874	{
871	set_string_property (XA_WM_ICON_NAME, str);	875	set_mbstring_property (XA_WM_ICON_NAME, str);
872	#if ENABLE_FRILLS	876	#if ENABLE_EWMH
873	set_utf8_property (display->atom ("_NET_WM_ICON_NAME"), str);	877	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
874	#endif	878	#endif
875	}	879	}
876		880
		881	void
		882	rxvt_term::set_window_color (int idx, const char *color)
		883	{
877	#ifdef XTERM_COLOR_CHANGE	884	#ifdef XTERM_COLOR_CHANGE
878	void
879	rxvt_term::set_window_color (int idx, const char *color)
880	{
881	rxvt_color xcol;	885	rxvt_color xcol;
882	int i;
883		886
884	if (color == NULL || *color == '\0')	887	if (color == NULL || *color == '\0')
885	return;	888	return;
886		889
		890	color = strdup (color);
		891	allocated.push_back ((void *)color);
		892	rs[Rs_color + idx] = color;
		893
887	/* handle color aliases */	894	/* handle color aliases */
888	if (isdigit (*color))	895	if (isdigit (*color))
889	{	896	{
890	i = atoi (color);	897	int i = atoi (color);
		898
891	if (i >= 8 && i <= 15)	899	if (i >= 8 && i <= 15)
		900	{
892	{ /* bright colors */	901	/* bright colors */
893	i -= 8;
894	# ifndef NO_BRIGHTCOLOR
895	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];	902	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
896	SET_PIXCOLOR (idx);
897	goto Done;	903	goto done;
898	# endif
899
900	}	904	}
		905
901	if (i >= 0 && i <= 7)	906	if (i >= 0 && i <= 7)
		907	{
902	{ /* normal colors */	908	/* normal colors */
903	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];	909	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
904	SET_PIXCOLOR (idx);
905	goto Done;	910	goto done;
906	}	911	}
907	}	912	}
908		913
909	if (!rXParseAllocColor (& xcol, color))	914	set_color (xcol, color);
910	return;
911
912	/* XStoreColor (display->display, display->cmap, XColor*); */
913		915
914	/*	916	/*
915	* FIXME: should free colors here, but no idea how to do it so instead,	917	* FIXME: should free colors here, but no idea how to do it so instead,
916	* so just keep gobbling up the colormap	918	* so just keep gobbling up the colormap
917	*/	919	*/
918	# if 0
919	for (i = Color_Black; i <= Color_White; i++)
920	if (pix_colors[idx] == pix_colors[i])
921	break;
922	if (i > Color_White)
923	{
924	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
925	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
926	DisplayPlanes (display->display, display->screen));
927	}
928	# endif
929		920
930	pix_colors_focused[idx] = xcol;	921	pix_colors_focused[idx] = xcol;
931	SET_PIXCOLOR (idx);
932		922
933	/* XSetWindowAttributes attr; */
934	/* Cursor cursor; */
935	Done:	923	done:
936	#ifdef OFF_FOCUS_FADING
937	if (rs[Rs_fade])
938	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]));
939	#endif
940
941	/*TODO: handle Color_BD, scrollbar background, etc. */	924	/*TODO: handle Color_BD, scrollbar background, etc. */
942		925
		926	update_fade_color (idx);
943	recolour_cursor ();	927	recolour_cursor ();
944	scr_recolour ();	928	scr_recolour ();
		929	#endif /* XTERM_COLOR_CHANGE */
945	}	930	}
946
947	#else
948	# define set_window_color (idx,color) ((void)0)
949	#endif /* XTERM_COLOR_CHANGE */
950		931
951	void	932	void
952	rxvt_term::recolour_cursor ()	933	rxvt_term::recolour_cursor ()
953	{	934	{
954	XColor xcol[2];	935	XColor fg, bg;
955		936
956	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)	937	(ISSET_PIXCOLOR (Color_pointer_fg)
957	? pix_colors_focused[Color_pointer_fg]	938	? pix_colors_focused[Color_pointer_fg]
958	: pix_colors_focused[Color_fg];	939	: pix_colors_focused[Color_fg]).get (fg);
		940
959	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)	941	(ISSET_PIXCOLOR (Color_pointer_bg)
960	? pix_colors_focused[Color_pointer_bg]	942	? pix_colors_focused[Color_pointer_bg]
961	: pix_colors_focused[Color_bg];	943	: pix_colors_focused[Color_bg]).get (bg);
962		944
963	XQueryColors (display->display, display->cmap, xcol, 2);	945	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
964	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
965	}	946	}
966		947
967	/*----------------------------------------------------------------------*/	948	/*----------------------------------------------------------------------*/
968	/*	949	/*
969	* find if fg/bg matches any of the normal (low-intensity) colors	950	* find if fg/bg matches any of the normal (low-intensity) colors
970	*/	951	*/
971	void	952	char *
972	rxvt_term::set_colorfgbg ()	953	rxvt_term::get_colorfgbg ()
973	{	954	{
974	unsigned int i;	955	unsigned int i;
975	const char *xpmb = "\0";	956	const char *xpmb = "";
976	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];	957	char fstr[] = "default";
		958	char bstr[] = "default";
		959	char *env_colorfgbg;
977		960
978	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
979	strcpy (fstr, "default");
980	strcpy (bstr, "default");
981	for (i = Color_Black; i <= Color_White; i++)	961	for (i = Color_Black; i <= Color_White; i++)
982	if (pix_colors[Color_fg] == pix_colors[i])	962	if (pix_colors[Color_fg] == pix_colors[i])
983	{	963	{
984	sprintf (fstr, "%d", (i - Color_Black));	964	sprintf (fstr, "%d", i - Color_Black);
985	break;	965	break;
986	}	966	}
987		967
988	for (i = Color_Black; i <= Color_White; i++)	968	for (i = Color_Black; i <= Color_White; i++)
989	if (pix_colors[Color_bg] == pix_colors[i])	969	if (pix_colors[Color_bg] == pix_colors[i])
990	{	970	{
991	sprintf (bstr, "%d", (i - Color_Black));	971	sprintf (bstr, "%d", i - Color_Black);
992	#ifdef XPM_BACKGROUND	972	#if BG_IMAGE_FROM_FILE
993	xpmb = "default;";	973	xpmb = "default;";
994	#endif	974	#endif
995	break;	975	break;
996	}	976	}
997		977
		978	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg"));
998	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	979	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
		980	return env_colorfgbg;
999	}	981	}
1000		982
1001	/*----------------------------------------------------------------------*/	983	/*----------------------------------------------------------------------*/
1002	/*
1003	* Colour determination for low colour displays, routine from
1004	* Hans de Goede <hans@highrise.nl>
1005	*/
1006		984
1007	int	985	bool
1008	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	986	rxvt_term::set_color (rxvt_color &color, const char *name)
1009	{	987	{
1010	if (!screen_in_out->set (display, colour))	988	if (color.set (this, name))
1011	{
1012	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
1013	return false;
1014	}
1015
1016	return true;	989	return true;
		990
		991	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		992	return false;
		993	}
		994
		995	void
		996	rxvt_term::alias_color (int dst, int src)
		997	{
		998	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
1017	}	999	}
1018		1000
1019	/* -------------------------------------------------------------------- *	1001	/* -------------------------------------------------------------------- *
1020	* - WINDOW RESIZING - *	1002	* - WINDOW RESIZING - *
1021	* -------------------------------------------------------------------- */	1003	* -------------------------------------------------------------------- */
1022	void	1004	void
1023	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	1005	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1024	{	1006	{
1025	int fix_screen;	1007	int fix_screen;
		1008	int old_width = szHint.width;
		1009	int old_height = szHint.height;
1026		1010
1027	#ifdef SMART_RESIZE
1028	int old_width = szHint.width, old_height = szHint.height;
1029	#endif
1030
1031	window_calc (width, height);	1011	window_calc (newwidth, newheight);
		1012
		1013	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1014
		1015	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1016	if (set_hint)
		1017	{
		1018	szHint.flags &= ~(PBaseSize | PResizeInc);
1032	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	1019	XSetWMNormalHints (dpy, parent, &szHint);
		1020	szHint.flags |= PBaseSize | PResizeInc;
		1021	}
1033		1022
1034	if (!ignoreparent)	1023	if (!ignoreparent)
1035	{	1024	{
1036	#ifdef SMART_RESIZE	1025	#ifdef SMART_RESIZE
1037	/*	1026	/*
…		…
1041	int x, y, x1, y1;	1030	int x, y, x1, y1;
1042	int dx, dy;	1031	int dx, dy;
1043	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1032	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1044	Window unused_cr;	1033	Window unused_cr;
1045		1034
1046	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	1035	XTranslateCoordinates (dpy, parent, display->root,
1047	0, 0, &x, &y, &unused_cr);	1036	0, 0, &x, &y, &unused_cr);
1048	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	1037	XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
1049	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1038	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
1050	/*	1039	/*
1051	* if display->root isn't the parent window, a WM will probably have offset	1040	* if display->root isn't the parent window, a WM will probably have offset
1052	* our position for handles and decorations. Counter it	1041	* our position for handles and decorations. Counter it
1053	*/	1042	*/
…		…
1055	{	1044	{
1056	x -= x1;	1045	x -= x1;
1057	y -= y1;	1046	y -= y1;
1058	}	1047	}
1059		1048
1060	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	1049	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
1061	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	1050	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
1062	dx = old_width - szHint.width;	1051	dx = old_width - szHint.width;
1063	dy = old_height - szHint.height;	1052	dy = old_height - szHint.height;
1064		1053
1065	/* Check position of the center of the window */	1054	/* Check position of the center of the window */
1066	if (x < x1) /* left half */	1055	if (x < x1) /* left half */
1067	dx = 0;	1056	dx = 0;
…		…
1070	if (y < y1) /* top half */	1059	if (y < y1) /* top half */
1071	dy = 0;	1060	dy = 0;
1072	else if (y == y1) /* exact center */	1061	else if (y == y1) /* exact center */
1073	dy /= 2;	1062	dy /= 2;
1074		1063
1075	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	1064	XMoveResizeWindow (dpy, parent, x + dx, y + dy,
1076	szHint.width, szHint.height);	1065	szHint.width, szHint.height);
1077	#else	1066	#else
1078	XResizeWindow (display->display, TermWin.parent[0], szHint.width, szHint.height);	1067	XResizeWindow (dpy, parent, szHint.width, szHint.height);
1079	#endif	1068	#endif
1080	}	1069	}
1081		1070
		1071	if (set_hint)
		1072	XSetWMNormalHints (dpy, parent, &szHint);
		1073
1082	fix_screen = TermWin.ncol != prev_ncol || TermWin.nrow != prev_nrow;	1074	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1083		1075
1084	if (fix_screen || width != old_width || height != old_height)	1076	if (fix_screen || newwidth != old_width || newheight != old_height)
1085	{	1077	{
1086	if (scrollbar_visible ())	1078	if (scrollBar.state)
1087	{	1079	scrollBar.resize ();
1088	XMoveResizeWindow (display->display, scrollBar.win,
1089	window_sb_x, 0,
1090	scrollbar_TotalWidth (), szHint.height);
1091	resize_scrollbar ();
1092	}
1093		1080
1094	if (menubar_visible ())
1095	XMoveResizeWindow (display->display, menuBar.win,
1096	window_vt_x, 0,
1097	TermWin_TotalWidth (), menuBar_TotalHeight ());
1098
1099	XMoveResizeWindow (display->display, TermWin.vt,	1081	XMoveResizeWindow (dpy, vt,
1100	window_vt_x, window_vt_y,	1082	window_vt_x, window_vt_y,
1101	TermWin_TotalWidth (), TermWin_TotalHeight ());	1083	vt_width, vt_height);
1102	scr_clear ();	1084
1103	#ifdef XPM_BACKGROUND	1085	HOOK_INVOKE ((this, HOOK_SIZE_CHANGE, DT_INT, newwidth, DT_INT, newheight, DT_END));
1104	resize_pixmap ();	1086
		1087	#ifdef HAVE_BG_PIXMAP
		1088	if (bg_window_size_sensitive ())
		1089	update_background ();
1105	#endif	1090	#endif
1106	}	1091	}
1107		1092
1108	if (fix_screen || old_height == 0)	1093	if (fix_screen || old_height == 0)
1109	{
1110	int curr_screen = -1;
1111	int old_ncol = prev_ncol;
1112
1113	/* scr_reset only works on the primary screen */
1114	if (old_height) /* this is not the first time through */
1115	{
1116	unsigned int ncol = TermWin.ncol;
1117	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1118	curr_screen = scr_change_screen (PRIMARY);
1119	TermWin.ncol = ncol;
1120	}
1121
1122	scr_reset ();	1094	scr_reset ();
1123		1095
1124	if (curr_screen >= 0) /* this is not the first time through */
1125	{
1126	scr_change_screen (curr_screen);
1127	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
1128	}
1129	}
1130
1131	old_width = szHint.width;
1132	old_height = szHint.height;
1133
1134	#ifdef USE_XIM	1096	#if USE_XIM
1135	IMSetStatusPosition ();	1097	im_set_position ();
1136	#endif	1098	#endif
1137	}	1099	}
1138		1100
1139	/*	1101	/*
1140	* Set the width/height of the vt window in characters. Units are pixels.	1102	* Set the width/height of the vt window in characters. Units are pixels.
1141	* good for toggling 80/132 columns	1103	* good for toggling 80/132 columns
1142	*/	1104	*/
1143	void	1105	void
1144	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1106	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1145	{	1107	{
1146	XWindowAttributes wattr;	1108	XWindowAttributes wattr;
1147		1109
1148	if (width == 0 || height == 0)	1110	if (newwidth == 0 || newheight == 0)
1149	{	1111	{
1150	XGetWindowAttributes (display->display, display->root, &wattr);	1112	XGetWindowAttributes (dpy, display->root, &wattr);
		1113
1151	if (width == 0)	1114	if (newwidth == 0)
1152	width = wattr.width - szHint.base_width;	1115	newwidth = wattr.width - szHint.base_width;
1153	if (height == 0)	1116	if (newheight == 0)
1154	height = wattr.height - szHint.base_height;	1117	newheight = wattr.height - szHint.base_height;
1155	}
1156
1157	if (width != TermWin.width || height != TermWin.height)
1158	{	1118	}
		1119
		1120	if (newwidth != vt_width || newheight != vt_height)
		1121	{
1159	width += szHint.base_width;	1122	newwidth += szHint.base_width;
1160	height += szHint.base_height;	1123	newheight += szHint.base_height;
1161	resize_all_windows (width, height, 0);	1124	resize_all_windows (newwidth, newheight, 0);
1162	}	1125	}
1163	}	1126	}
1164		1127
1165	/* -------------------------------------------------------------------- *	1128	/* -------------------------------------------------------------------- *
1166	* - X INPUT METHOD ROUTINES - *	1129	* - X INPUT METHOD ROUTINES - *
1167	* -------------------------------------------------------------------- */	1130	* -------------------------------------------------------------------- */
1168	#ifdef USE_XIM	1131	#if USE_XIM
1169		1132
1170	void	1133	void
1171	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)	1134	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1172	{	1135	{
1173	fg = pix_colors[Color_fg];	1136	fg = pix_colors [Color_fg];
1174	bg = pix_colors[Color_bg];	1137	bg = pix_colors [Color_bg];
1175	}	1138	}
1176		1139
1177	void	1140	void
1178	rxvt_term::im_set_size (XRectangle &size)	1141	rxvt_term::im_set_size (XRectangle &size)
1179	{	1142	{
1180	// the int_bwidth terms make no sense to me	1143	// the int_bwidth terms make no sense to me
1181	size.x = TermWin.int_bwidth;	1144	size.x = int_bwidth;
1182	size.y = TermWin.int_bwidth;	1145	size.y = int_bwidth;
1183	size.width = Width2Pixel (TermWin.ncol) + TermWin.int_bwidth;	1146	size.width = Width2Pixel (ncol) + int_bwidth;
1184	size.height = Height2Pixel (TermWin.nrow) + TermWin.int_bwidth;	1147	size.height = Height2Pixel (nrow) + int_bwidth;
1185	}	1148	}
1186		1149
1187	void	1150	void
1188	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,	1151	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1189	XRectangle &status_rect,	1152	XRectangle &status_rect,
1190	const XRectangle &needed_rect)	1153	const XRectangle &needed_rect)
1191	{	1154	{
1192	preedit_rect.x = needed_rect.width;	1155	preedit_rect.x = needed_rect.width;
1193	preedit_rect.y = 0;	1156	preedit_rect.y = 0;
1194	preedit_rect.width = Width2Pixel (TermWin.ncol) - needed_rect.width + 1;	1157	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1195	preedit_rect.height = TermWin.fheight;	1158	preedit_rect.height = fheight;
1196		1159
1197	status_rect.x = 0;	1160	status_rect.x = 0;
1198	status_rect.y = 0;	1161	status_rect.y = 0;
1199	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (TermWin.ncol) + 1;	1162	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1200	status_rect.height = TermWin.fheight;	1163	status_rect.height = fheight;
1201	}	1164	}
1202		1165
1203	/* Checking whether input method is running. */	1166	/* Checking whether input method is running. */
1204	bool	1167	bool
1205	rxvt_term::IMisRunning ()	1168	rxvt_term::im_is_running ()
1206	{	1169	{
1207	char *p;
1208	Atom atom;	1170	Atom atom;
1209	Window win;	1171	Window win;
1210	char server[IMBUFSIZ];	1172	char server[IMBUFSIZ];
1211		1173
1212	/* get current locale modifier */	1174	/* get current locale modifier */
1213	if ((p = XSetLocaleModifiers (NULL)) != NULL)	1175	if (char *p = XSetLocaleModifiers (0))
1214	{	1176	{
1215	strcpy (server, "@server=");	1177	strcpy (server, "@server=");
1216	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1178	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
1217		1179
1218	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */	1180	if (p = strchr (server + 1, '@')) /* first one only */
1219	*p = '\0';	1181	*p = '\0';
1220		1182
1221	atom = XInternAtom (display->display, server, False);	1183	atom = XInternAtom (dpy, server, False);
1222	win = XGetSelectionOwner (display->display, atom);	1184	win = XGetSelectionOwner (dpy, atom);
1223		1185
1224	if (win != None)	1186	if (win != None)
1225	return True;	1187	return true;
1226	}	1188	}
1227		1189
1228	return False;	1190	return false;
1229	}	1191	}
1230		1192
1231	void	1193	void
1232	rxvt_term::IMSendSpot ()	1194	rxvt_term::im_send_spot ()
1233	{	1195	{
1234	XPoint nspot;	1196	XPoint nspot;
1235	XVaNestedList preedit_attr;	1197	XVaNestedList preedit_attr;
1236		1198
1237	if (!Input_Context	1199	if (!Input_Context
1238	|| !TermWin.focus	1200	|| !focus
1239	|| !(input_style & XIMPreeditPosition))	1201	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1240	return;	1202	return;
1241		1203
1242	im_set_position (nspot);	1204	im_set_position (nspot);
1243		1205
1244	if (nspot.x == spot.x && nspot.y == spot.y)	1206	if (nspot.x == spot.x && nspot.y == spot.y)
…		…
1263	input_method = 0;	1225	input_method = 0;
1264	}	1226	}
1265		1227
1266	Input_Context = 0;	1228	Input_Context = 0;
1267	}	1229	}
		1230
		1231	#ifdef ENABLE_XIM_ONTHESPOT
		1232
		1233	static void
		1234	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1235	{
		1236	((rxvt_term *)client_data)->make_current ();
		1237	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1238	}
		1239
		1240	static void
		1241	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1242	{
		1243	((rxvt_term *)client_data)->make_current ();
		1244	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1245	}
		1246
		1247	static void
		1248	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1249	{
		1250	rxvt_term *term = (rxvt_term *)client_data;
		1251	XIMText *text = call_data->text;
		1252
		1253	term->make_current ();
		1254
		1255	if (text)
		1256	{
		1257	wchar_t *str;
		1258
		1259	if (!text->encoding_is_wchar && text->string.multi_byte)
		1260	{
		1261	// of course, X makes it ugly again
		1262	if (term->rs[Rs_imLocale])
		1263	SET_LOCALE (term->rs[Rs_imLocale]);
		1264
		1265	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1266	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1267
		1268	if (term->rs[Rs_imLocale])
		1269	SET_LOCALE (term->locale);
		1270	}
		1271	else
		1272	str = text->string.wide_char;
		1273
		1274	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1275	DT_INT, call_data->caret,
		1276	DT_INT, call_data->chg_first,
		1277	DT_INT, call_data->chg_length,
		1278	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1279	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1280	DT_END));
		1281	}
		1282	else
		1283	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1284	DT_INT, call_data->caret,
		1285	DT_INT, call_data->chg_first,
		1286	DT_INT, call_data->chg_length,
		1287	DT_END));
		1288	}
		1289
		1290	#if 0
		1291	static void
		1292	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1293	{
		1294	((rxvt_term *)client_data)->make_current ();
		1295	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1296	DT_INT, call_data->position,
		1297	DT_INT, call_data->direction,
		1298	DT_INT, call_data->style,
		1299	DT_END));
		1300	}
		1301	#endif
		1302
		1303	#endif
1268		1304
1269	/*	1305	/*
1270	* Try to open a XIM with the current modifiers, then see if we can	1306	* Try to open a XIM with the current modifiers, then see if we can
1271	* open a suitable preedit type	1307	* open a suitable preedit type
1272	*/	1308	*/
1273	bool	1309	bool
1274	rxvt_term::IM_get_IC (const char *modifiers)	1310	rxvt_term::im_get_ic (const char *modifiers)
1275	{	1311	{
1276	int i, j, found;	1312	int i, j, found;
1277	XIM xim;	1313	XIM xim;
1278	XPoint spot;	1314	XPoint spot;
1279	XRectangle rect, status_rect, needed_rect;	1315	XRectangle rect, status_rect, needed_rect;
1280	unsigned long fg, bg;	1316	unsigned long fg, bg;
1281	const char *p;	1317	const char *p;
1282	char **s;	1318	char **s;
1283	XIMStyles *xim_styles;	1319	XIMStyles *xim_styles;
1284		1320
		1321	set_environ (envv);
		1322
1285	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))	1323	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1286	return false;	1324	return false;
1287		1325
1288	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1289	input_method = display->get_xim (locale, modifiers);	1326	input_method = display->get_xim (locale, modifiers);
1290	if (input_method == NULL)	1327	if (input_method == NULL)
1291	return false;	1328	return false;
1292		1329
1293	xim = input_method->xim;	1330	xim = input_method->xim;
…		…
1308	p = pet[pi];	1345	p = pet[pi];
1309		1346
1310	if (!p)	1347	if (!p)
1311	continue;	1348	continue;
1312		1349
1313	s = rxvt_splitcommastring (p);	1350	s = rxvt_strsplit (',', p);
1314		1351
1315	for (i = found = 0; !found && s[i]; i++)	1352	for (i = found = 0; !found && s[i]; i++)
1316	{	1353	{
1317	if (!strcmp (s[i], "OverTheSpot"))	1354	if (!strcmp (s[i], "OverTheSpot"))
1318	input_style = (XIMPreeditPosition | XIMStatusNothing);	1355	input_style = XIMPreeditPosition | XIMStatusNothing;
1319	else if (!strcmp (s[i], "OffTheSpot"))	1356	else if (!strcmp (s[i], "OffTheSpot"))
1320	input_style = (XIMPreeditArea | XIMStatusArea);	1357	input_style = XIMPreeditArea | XIMStatusArea;
1321	else if (!strcmp (s[i], "Root"))	1358	else if (!strcmp (s[i], "Root"))
1322	input_style = (XIMPreeditNothing | XIMStatusNothing);	1359	input_style = XIMPreeditNothing | XIMStatusNothing;
1323	else if (!strcmp (s[i], "None"))	1360	else if (!strcmp (s[i], "None"))
1324	input_style = (XIMPreeditNone | XIMStatusNone);	1361	input_style = XIMPreeditNone | XIMStatusNone;
		1362	#ifdef ENABLE_XIM_ONTHESPOT
		1363	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1364	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1365	#endif
		1366	else
		1367	input_style = XIMPreeditNothing | XIMStatusNothing;
1325		1368
1326	for (j = 0; j < xim_styles->count_styles; j++)	1369	for (j = 0; j < xim_styles->count_styles; j++)
1327	if (input_style == xim_styles->supported_styles[j])	1370	if (input_style == xim_styles->supported_styles[j])
1328	{	1371	{
1329	rxvt_freecommastring (s);	1372	rxvt_free_strsplit (s);
1330		1373
1331	found = 1;	1374	found = 1;
1332	goto foundpet;	1375	goto foundpet;
1333	}	1376	}
1334		1377
1335	}	1378	}
1336		1379
1337	rxvt_freecommastring (s);	1380	rxvt_free_strsplit (s);
1338	}	1381	}
1339		1382
1340	foundpet:	1383	foundpet:
1341		1384
1342	XFree (xim_styles);	1385	XFree (xim_styles);
…		…
1363	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"	1406	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1364	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"	1407	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1365	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"	1408	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1366	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"	1409	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1367	"*",	1410	"*",
1368	TermWin.fheight,	1411	fheight,
1369	TermWin.fheight + 1, TermWin.fheight - 1,	1412	fheight + 1, fheight - 1,
1370	TermWin.fheight - 2, TermWin.fheight + 2);	1413	fheight - 2, fheight + 2);
1371		1414
1372	fs = XCreateFontSet (display->display, pat,	1415	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1373	&missing_charset_list, &missing_charset_count, &def_string);	1416	&missing_charset_list, &missing_charset_count, &def_string);
1374		1417
1375	if (missing_charset_list)	1418	if (missing_charset_list)
1376	XFreeStringList (missing_charset_list);	1419	XFreeStringList (missing_charset_list);
1377		1420
…		…
1418	XNBackground, bg,	1461	XNBackground, bg,
1419	XNArea, &status_rect,	1462	XNArea, &status_rect,
1420	XNFontSet, fs,	1463	XNFontSet, fs,
1421	NULL);	1464	NULL);
1422	}	1465	}
		1466	#if ENABLE_XIM_ONTHESPOT
		1467	else if (input_style & XIMPreeditCallbacks)
		1468	{
		1469	XIMCallback xcb[4];
		1470
		1471	im_set_position (spot);
		1472
		1473	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1474	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1475	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1476	# if 0
		1477	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1478	# endif
		1479
		1480	preedit_attr = XVaCreateNestedList (0,
		1481	XNSpotLocation, &spot,
		1482	XNPreeditStartCallback, &xcb[0],
		1483	XNPreeditDoneCallback , &xcb[1],
		1484	XNPreeditDrawCallback , &xcb[2],
		1485	# if 0
		1486	XNPreeditCaretCallback, &xcb[3],
		1487	# endif
		1488	NULL);
		1489	}
		1490	#endif
1423		1491
1424	Input_Context = XCreateIC (xim,	1492	Input_Context = XCreateIC (xim,
1425	XNInputStyle, input_style,	1493	XNInputStyle, input_style,
1426	XNClientWindow, TermWin.vt,	1494	XNClientWindow, vt,
1427	XNFocusWindow, TermWin.parent[0],	1495	XNFocusWindow, parent,
1428	preedit_attr ? XNPreeditAttributes : NULL,	1496	preedit_attr ? XNPreeditAttributes : NULL,
1429	preedit_attr,	1497	preedit_attr,
1430	status_attr ? XNStatusAttributes : NULL,	1498	status_attr ? XNStatusAttributes : NULL,
1431	status_attr, NULL);	1499	status_attr, NULL);
1432		1500
1433	if (preedit_attr) XFree (preedit_attr);	1501	if (preedit_attr) XFree (preedit_attr);
1434	if (status_attr) XFree (status_attr);	1502	if (status_attr) XFree (status_attr);
1435	if (fs) XFreeFontSet (display->display, fs);	1503	if (fs) XFreeFontSet (dpy, fs);
1436		1504
1437	if (Input_Context == NULL)	1505	if (Input_Context == NULL)
1438	{	1506	{
1439	rxvt_warn ("failed to create input context, continuing without XIM.\n");	1507	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1440	im_destroy ();	1508	im_destroy ();
1441	return false;	1509	return false;
1442	}	1510	}
1443		1511
1444	if (input_style & XIMPreeditArea)	1512	#if 0
1445	IMSetStatusPosition ();	1513	// unfortunately, only the focus window is used by XIM, hard to fix
		1514	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1515	vt_select_input ();
		1516	#endif
1446		1517
1447	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));	1518	im_set_position ();
		1519
1448	return true;	1520	return true;
1449	}	1521	}
1450		1522
1451	void	1523	void
1452	rxvt_term::im_cb ()	1524	rxvt_term::im_cb ()
1453	{	1525	{
1454	int i, found, had_im;	1526	int i;
1455	const char *p;	1527	const char *p;
1456	char **s;	1528	char **s;
1457	char buf[IMBUFSIZ];	1529	char buf[IMBUFSIZ];
1458		1530
		1531	make_current ();
		1532
1459	im_destroy ();	1533	im_destroy ();
1460		1534
1461	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1462	if (Input_Context)	1535	if (Input_Context)
1463	return;	1536	return;
1464		1537
1465	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1466	if (rs[Rs_imLocale])	1538	if (rs[Rs_imLocale])
1467	SET_LOCALE (rs[Rs_imLocale]);	1539	SET_LOCALE (rs[Rs_imLocale]);
1468	#endif
1469		1540
1470	p = rs[Rs_inputMethod];	1541	p = rs[Rs_inputMethod];
1471	if (p && *p)	1542	if (p && *p)
1472	{	1543	{
1473	bool found = false;	1544	bool found = false;
1474		1545
1475	s = rxvt_splitcommastring (p);	1546	s = rxvt_strsplit (',', p);
1476		1547
1477	for (i = 0; s[i]; i++)	1548	for (i = 0; s[i]; i++)
1478	{	1549	{
1479	if (*s[i])	1550	if (*s[i])
1480	{	1551	{
1481	strcpy (buf, "@im=");	1552	strcpy (buf, "@im=");
1482	strncat (buf, s[i], IMBUFSIZ - 5);	1553	strncat (buf, s[i], IMBUFSIZ - 5);
1483	if (IM_get_IC (buf))	1554	if (im_get_ic (buf))
1484	{	1555	{
1485	found = true;	1556	found = true;
1486	break;	1557	break;
1487	}	1558	}
1488	}	1559	}
1489	}	1560	}
1490		1561
1491	rxvt_freecommastring (s);	1562	rxvt_free_strsplit (s);
1492		1563
1493	if (found)	1564	if (found)
1494	goto done;	1565	goto done;
1495	}	1566	}
1496		1567
1497	/* try with XMODIFIERS env. var. */	1568	/* try with XMODIFIERS env. var. */
1498	if (IM_get_IC (""))	1569	if (im_get_ic (""))
1499	goto done;	1570	goto done;
1500		1571
1501	/* try with no modifiers base IF the user didn't specify an IM */	1572	/* try with no modifiers base IF the user didn't specify an IM */
1502	if (IM_get_IC ("@im=none"))	1573	if (im_get_ic ("@im=none"))
1503	goto done;	1574	goto done;
1504		1575
1505	done:	1576	done:
1506	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1507	if (rs[Rs_imLocale])	1577	if (rs[Rs_imLocale])
1508	SET_LOCALE (locale);	1578	SET_LOCALE (locale);
1509	#endif
1510	}	1579	}
1511		1580
1512	void	1581	void
1513	rxvt_term::IMSetStatusPosition ()	1582	rxvt_term::im_set_position ()
1514	{	1583	{
1515	XRectangle preedit_rect, status_rect, *needed_rect;	1584	XRectangle preedit_rect, status_rect, *needed_rect;
1516	XVaNestedList preedit_attr, status_attr;	1585	XVaNestedList preedit_attr, status_attr;
1517		1586
1518	if (!Input_Context	1587	if (!Input_Context
1519	|| !TermWin.focus	1588	|| !focus
1520	|| !(input_style & XIMPreeditArea)	1589	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1521	|| !IMisRunning ())	1590	|| !im_is_running ())
1522	return;	1591	return;
1523		1592
		1593	if (input_style & XIMPreeditPosition)
		1594	{
		1595	im_set_size (preedit_rect);
		1596	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1597
		1598	XSetICValues (Input_Context,
		1599	XNPreeditAttributes, preedit_attr, NULL);
		1600	}
		1601	else
		1602	{
1524	/* Getting the necessary width of preedit area */	1603	/* Getting the necessary width of preedit area */
1525	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);	1604	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1526	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);	1605	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1527	XFree (status_attr);	1606	XFree (status_attr);
1528		1607
1529	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);	1608	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1530	XFree (needed_rect);	1609	XFree (needed_rect);
1531		1610
1532	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);	1611	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1533	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);	1612	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1534		1613
1535	XSetICValues (Input_Context,	1614	XSetICValues (Input_Context,
1536	XNPreeditAttributes, preedit_attr,	1615	XNPreeditAttributes, preedit_attr,
1537	XNStatusAttributes, status_attr, NULL);	1616	XNStatusAttributes, status_attr,
		1617	NULL);
1538		1618
		1619	XFree (status_attr);
		1620	}
		1621
1539	XFree (preedit_attr);	1622	XFree (preedit_attr);
1540	XFree (status_attr);
1541	}	1623	}
1542	#endif /* USE_XIM */	1624	#endif /* USE_XIM */
1543		1625
1544	/*----------------------------------------------------------------------*/	1626	void
1545	rxvt_t rxvt_current_term;	1627	rxvt_term::get_window_origin (int &x, int &y)
		1628	{
		1629	Window cr;
		1630	XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
		1631	}
		1632
		1633	#ifdef HAVE_BG_PIXMAP
		1634
		1635	void
		1636	rxvt_term::update_background ()
		1637	{
		1638	if (update_background_ev.is_active ())
		1639	return;
		1640
		1641	bg_invalidate ();
		1642
		1643	if (!mapped)
		1644	return;
		1645
		1646	ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
		1647
		1648	if (to_wait <= 0.)
		1649	bg_render ();
		1650	else
		1651	update_background_ev.start (to_wait);
		1652	}
		1653
		1654	void
		1655	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1656	{
		1657	make_current ();
		1658
		1659	update_background_ev.stop ();
		1660	bg_render ();
		1661	refresh_check ();
		1662	}
		1663
		1664	#endif /* HAVE_BG_PIXMAP */
1546		1665
1547	/*----------------------- end-of-file (C source) -----------------------*/	1666	/*----------------------- end-of-file (C source) -----------------------*/

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