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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.31 by pcg, Fri Feb 13 12:11:05 2004 UTC vs.
Revision 1.309 by root, Wed Feb 27 01:02:33 2008 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>
7	* - original version	7	* - original version
…		…
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) 2003-2008 Marc Lehmann <pcg@goof.com>
16	*	17	*
17	* 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
18	* 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
19	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
20	* (at your option) any later version.	21	* (at your option) any later version.
…		…
29	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
31		32
32	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
33	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
34	#include "main.intpro" /* PROTOS for internal routines */	35	#include "keyboard.h"
		36	#include "rxvtperl.h"
35		37
		38	#include <limits>
		39
36	#include <signal.h>	40	#include <csignal>
37
38	#ifdef TTY_GID_SUPPORT
39	# include <grp.h>
40	#endif
41
42	#ifdef HAVE_TERMIOS_H
43	# include <termios.h>
44	#endif
45
46	#include <cstring>	41	#include <cstring>
47		42
		43	#include <termios.h>
		44
		45	#ifdef HAVE_XSETLOCALE
		46	# define X_LOCALE
		47	# include <X11/Xlocale.h>
		48	#else
		49	# ifdef HAVE_SETLOCALE
		50	# include <clocale>
		51	# endif
		52	#endif
		53
		54	vector<rxvt_term *> rxvt_term::termlist;
		55
		56	// used to tell global functions which terminal instance is "active"
		57	rxvt_t rxvt_current_term;
		58
48	static char curlocale[128];	59	static char curlocale[128], savelocale[128];
49		60
50	void	61	bool
51	rxvt_set_locale (const char *locale)	62	rxvt_set_locale (const char *locale) NOTHROW
52	{	63	{
53	if (locale && STRNCMP (locale, curlocale, 128))	64	int size = strlen (locale) + 1;
54	{	65
55	STRNCPY (curlocale, locale, 128);	66	if (size > sizeof (curlocale))
		67	rxvt_fatal ("locale string too long, aborting.\n");
		68
		69	if (!locale || !memcmp (locale, curlocale, size))
		70	return false;
		71
		72	memcpy (curlocale, locale, size);
56	setlocale (LC_CTYPE, curlocale);	73	setlocale (LC_CTYPE, curlocale);
57	}	74	return true;
58	}	75	}
59		76
60	void *	77	void
61	rxvt_term::operator new (size_t s)	78	rxvt_push_locale (const char *locale) NOTHROW
62	{	79	{
63	void *p = malloc (s);	80	strcpy (savelocale, curlocale);
		81	rxvt_set_locale (locale);
		82	}
64		83
65	MEMSET (p, 0, s);	84	void
		85	rxvt_pop_locale () NOTHROW
		86	{
		87	rxvt_set_locale (savelocale);
		88	}
		89
		90	#if ENABLE_COMBINING
		91	class rxvt_composite_vec rxvt_composite;
		92
		93	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		94	{
		95	compose_char *cc;
		96
		97	// break compose chains, as stupid readline really likes to duplicate
		98	// composing characters for some reason near the end of a line.
		99	cc = (*this)[c1];
		100	while (cc)
		101	{
		102	if (cc->c2 == c2) return c1;
		103	cc = (*this)[cc->c1];
		104	}
		105
		106	// check to see wether this combination already exists otherwise
		107	for (cc = v.end (); cc-- > v.begin (); )
		108	{
		109	if (cc->c1 == c1 && cc->c2 == c2)
		110	return COMPOSE_LO + (cc - v.begin ());
		111	}
		112
		113	// allocate a new combination
		114	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		115	{
		116	static int seen;
		117
		118	if (!seen++)
		119	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		120
		121	return REPLACEMENT_CHAR;
		122	}
		123
		124	v.push_back (compose_char (c1, c2));
		125
		126	return v.size () - 1 + COMPOSE_LO;
		127	}
		128
		129	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		130	{
		131	compose_char *cc = (*this)[c];
		132
		133	if (!cc)
		134	{
		135	if (r) *r = c;
		136	return 1;
		137	}
		138
		139	int len = expand (cc->c1, r);
		140
		141	if (r) r += len;
		142
		143	if (cc->c2 != NOCHAR)
		144	{
		145	len++;
		146	if (r) *r++ = cc->c2;
		147	}
		148
66	return p;	149	return len;
67	}
68		150
69	void
70	rxvt_term::operator delete (void *p, size_t s)
71	{
72	free (p);
73	}	151	}
		152	#endif
74		153
75	rxvt_term::rxvt_term ()	154	rxvt_term::rxvt_term ()
76	:	155	{
77	rootwin_ev (this, &rxvt_term::rootwin_cb),	156	#if HAVE_BG_PIXMAP
78	termwin_ev (this, &rxvt_term::x_cb),	157	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
79	vt_ev (this, &rxvt_term::x_cb),
80	#ifdef HAVE_SCROLLBARS
81	scrollbar_ev (this, &rxvt_term::x_cb),
82	#endif
83	#ifdef MENUBAR
84	menubar_ev (this, &rxvt_term::x_cb), fixme
85	#endif	158	#endif
86	#ifdef CURSOR_BLINK	159	#ifdef CURSOR_BLINK
87	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),	160	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
88	#endif	161	#endif
89	#ifdef TEXT_BLINK	162	#ifdef TEXT_BLINK
90	text_blink_ev (this, &rxvt_term::text_blink_cb),	163	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		164	#endif
		165	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		166	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		167	#endif
		168	#ifdef SELECTION_SCROLLING
		169	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		170	#endif
		171	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		172	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		173	#endif
		174	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		175	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		176	#endif
		177	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		178	#ifdef USE_XIM
		179	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
91	#endif	180	#endif
92	#ifdef POINTER_BLANK	181	#ifdef POINTER_BLANK
93	pointer_ev (this, &rxvt_term::pointer_cb),	182	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
94	#endif	183	#endif
95	check_ev (this, &rxvt_term::check_cb),	184	#ifndef NO_BELL
96	destroy_ev (this, &rxvt_term::destroy_cb),	185	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
97	pty_ev (this, &rxvt_term::pty_cb),	186	#endif
98	incr_ev (this, &rxvt_term::incr_cb),	187	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		188	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		189	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		190	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		191	incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
		192	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		193	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		194
		195	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		196
		197	termlist.push_back (this);
		198
		199	#ifdef KEYSYM_RESOURCE
		200	keyboard = new keyboard_manager;
		201	#endif
		202	}
		203
		204	// clean up the most important stuff, do *not* call x or free mem etc.
		205	// for use before an emergency exit
		206	void
		207	rxvt_term::emergency_cleanup ()
		208	{
		209	if (cmd_pid)
		210	kill (-cmd_pid, SIGHUP);
		211
		212	pty_ev.stop ();
		213	delete pty; pty = 0;
		214	}
		215
		216	rxvt_term::~rxvt_term ()
		217	{
		218	termlist.erase (find (termlist.begin (), termlist.end(), this));
		219
		220	emergency_cleanup ();
		221
		222	#if ENABLE_STYLES
		223	for (int i = RS_styleCount; --i; )
		224	if (fontset[i] != fontset[0])
		225	delete fontset[i];
		226	#endif
		227	delete fontset[0];
		228
		229	#ifdef HAVE_BG_PIXMAP
		230	bgPixmap.destroy ();
		231	#endif
		232
		233	if (display)
		234	{
		235	selection_clear ();
		236
99	#ifdef USE_XIM	237	#ifdef USE_XIM
100	im_ev (this, &rxvt_term::im_cb)	238	im_destroy ();
101	#endif	239	#endif
102	{	240	scrollBar.destroy ();
103	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	241	if (gc) XFreeGC (dpy, gc);
104	}
105		242
106	rxvt_term::~rxvt_term ()	243	delete drawable;
107	{	244	// destroy all windows
108	if (cmd_fd >= 0)	245	if (parent[0])
109	close (cmd_fd);	246	XDestroyWindow (dpy, parent[0]);
		247
		248	for (int i = 0; i < TOTAL_COLORS; i++)
		249	if (ISSET_PIXCOLOR (i))
		250	{
		251	pix_colors_focused [i].free (this);
		252	#if OFF_FOCUS_FADING
		253	pix_colors_unfocused [i].free (this);
		254	#endif
		255	}
		256
		257	clear ();
		258
		259	display->flush (); /* ideally .put should do this */
		260	displays.put (display);
		261	}
110		262
111	scr_release ();	263	scr_release ();
112		264
		265	/* clear all resources */
		266	for (int i = 0; i < allocated.size (); i++)
		267	free (allocated [i]);
		268
		269	free (selection.text);
		270	// TODO: manage env vars in child only(!)
		271	free (env_display);
		272	free (env_term);
113	free (locale);	273	free (locale);
114	free (codeset);	274	free (v_buffer);
		275	free (incr_buf);
115		276
116	#ifndef NO_SETOWNER_TTYDEV	277	delete envv;
117	privileged_ttydev (RESTORE);	278	delete argv;
118	#endif
119	#ifdef UTMP_SUPPORT
120	privileged_utmp (RESTORE);
121	#endif
122		279
123	// TODO: free pixcolours, colours should become part of rxvt_display	280	#ifdef KEYSYM_RESOURCE
		281	delete keyboard;
		282	#endif
		283	#ifndef NO_RESOURCES
		284	XrmDestroyDatabase (option_db);
		285	#endif
		286	}
124		287
125	delete PixColors;	288	// child has exited, usually destroys
126	delete TermWin.fontset;	289	void
		290	rxvt_term::child_cb (ev::child &w, int status)
		291	{
		292	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
127		293
128	displays.put (display);	294	cmd_pid = 0;
		295
		296	if (!option (Opt_hold))
		297	destroy ();
129	}	298	}
130		299
131	void	300	void
132	rxvt_term::destroy ()	301	rxvt_term::destroy ()
133	{	302	{
		303	if (destroy_ev.is_active ())
		304	return;
		305
		306	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		307
		308	#if ENABLE_OVERLAY
		309	scr_overlay_off ();
		310	#endif
		311
134	if (display)	312	if (display)
135	{	313	{
136	if (TermWin.parent[0])	314	#if USE_XIM
137	XDestroyWindow (display->display, TermWin.parent[0]);	315	im_ev.stop (display);
138		316	#endif
		317	scrollbar_ev.stop (display);
		318	#if ENABLE_TRANSPARENCY || ENABLE_PERL
139	rootwin_ev.stop (display);	319	rootwin_ev.stop (display);
		320	#endif
		321	incr_ev.stop ();
140	termwin_ev.stop (display);	322	termwin_ev.stop (display);
141	vt_ev.stop (display);	323	vt_ev.stop (display);
142
143	#ifdef USE_XIM
144	im_destroy ();
145	im_ev.stop (display);
146	#endif
147	#ifdef HAVE_SCROLLBARS
148	scrollbar_ev.stop (display);
149	#endif
150	#ifdef MENUBAR
151	menubar_ev.stop (display);
152	#endif
153	}	324	}
154		325
155	check_ev.stop ();	326	flush_ev.stop ();
156	pty_ev.stop ();	327	pty_ev.stop ();
157	#ifdef CURSOR_BLINK	328	#ifdef CURSOR_BLINK
158	cursor_blink_ev.stop ();	329	cursor_blink_ev.stop ();
159	#endif	330	#endif
160	#ifdef TEXT_BLINK	331	#ifdef TEXT_BLINK
161	text_blink_ev.stop ();	332	text_blink_ev.stop ();
162	#endif	333	#endif
		334	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		335	cont_scroll_ev.stop ();
		336	#endif
		337	#ifdef SELECTION_SCROLLING
		338	sel_scroll_ev.stop ();
		339	#endif
163	#ifdef POINTER_BLANK	340	#ifdef POINTER_BLANK
164	pointer_ev.stop ();	341	pointer_ev.stop ();
165	#endif	342	#endif
166		343
167	destroy_ev.start (0);	344	destroy_ev.start ();
168	}	345	}
169		346
170	void	347	void
171	rxvt_term::destroy_cb (time_watcher &w)	348	rxvt_term::destroy_cb (ev::idle &w, int revents)
172	{	349	{
173	SET_R (this);	350	make_current ();
174		351
175	delete this;	352	delete this;
176	}
177
178	/*----------------------------------------------------------------------*/
179	/* rxvt_init() */
180	/* LIBPROTO */
181	rxvt_t
182	rxvt_init (int argc, const char *const *argv)
183	{
184	SET_R (new rxvt_term);
185
186	if (!GET_R->init_vars () || !GET_R->init (argc, argv))
187	{
188	delete GET_R;
189	SET_R (0);
190	}
191
192	return GET_R;
193	}
194
195	static int (*old_xerror_handler)(Display *dpy, XErrorEvent *event);
196
197	void
198	rxvt_init_signals ()
199	{
200	/* install exit handler for cleanup */
201	#if 0
202	#ifdef HAVE_ATEXIT
203	atexit(rxvt_clean_exit);
204	#else
205	#endif
206	#endif
207
208	struct sigaction sa;
209
210	sigfillset (&sa.sa_mask);
211	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
212	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
213	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
214	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
215	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
216	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
217	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
218
219	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
220	/* signal (SIGURG, SIG_DFL); */
221
222	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
223	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
224	}
225
226	bool
227	rxvt_term::init (int argc, const char *const *argv)
228	{
229	/*
230	* Save and then give up any super-user privileges
231	* If we need privileges in any area then we must specifically request it.
232	* We should only need to be root in these cases:
233	* 1. write utmp entries on some systems
234	* 2. chown tty on some systems
235	*/
236	privileges (SAVE);
237	privileges (IGNORE);
238
239	init_secondary ();
240
241	const char **cmd_argv = init_resources (argc, argv);
242
243	set_locale ("");
244
245	#if (MENUBAR_MAX)
246	menubar_read (rs[Rs_menu]);
247	#endif
248	#ifdef HAVE_SCROLLBARS
249	if (Options & Opt_scrollBar)
250	scrollBar.setIdle (); /* set existence for size calculations */
251	#endif
252
253	create_windows (argc, argv);
254
255	init_xlocale ();
256
257	scr_reset (); /* initialize screen */
258	#ifdef RXVT_GRAPHICS
259	Gr_reset (); /* reset graphics */
260	#endif
261
262	#if 0
263	#ifdef DEBUG_X
264	XSynchronize(display->display, True);
265	#endif
266	#endif
267
268	#ifdef HAVE_SCROLLBARS
269	if (Options & Opt_scrollBar)
270	resize_scrollbar (); /* create and map scrollbar */
271	#endif
272	#if (MENUBAR_MAX)
273	if (menubar_visible(r))
274	XMapWindow (display->display, menuBar.win);
275	#endif
276	#ifdef TRANSPARENT
277	if (Options & Opt_transparent)
278	{
279	XSelectInput (display->display, display->root, PropertyChangeMask);
280	check_our_parents ();
281	}
282	#endif
283
284	rootwin_ev.start (display, display->root);
285
286	XMapWindow (display->display, TermWin.vt);
287	XMapWindow (display->display, TermWin.parent[0]);
288
289	init_env ();
290	init_command (cmd_argv);
291
292	pty_ev.start (cmd_fd, EVENT_READ);
293
294	check_ev.start ();
295
296	return true;
297	}
298
299	/* ------------------------------------------------------------------------- *
300	* SIGNAL HANDLING & EXIT HANDLER *
301	* ------------------------------------------------------------------------- */
302	/*
303	* Catch a SIGCHLD signal and exit if the direct child has died
304	*/
305	/* ARGSUSED */
306	/* EXTPROTO */
307	RETSIGTYPE
308	rxvt_Child_signal(int sig __attribute__ ((unused)))
309	{
310	int pid, save_errno = errno;
311	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
312	;
313	errno = save_errno;
314
315	#if 0
316	if (pid == cmd_pid)
317	exit (EXIT_SUCCESS);
318	#endif
319	}
320
321	/*
322	* Catch a fatal signal and tidy up before quitting
323	*/
324	/* EXTPROTO */
325	RETSIGTYPE
326	rxvt_Exit_signal(int sig)
327	{
328	signal (sig, SIG_DFL);
329	#ifdef DEBUG_CMD
330	rxvt_print_error ("signal %d", sig);
331	#endif
332	rxvt_clean_exit();
333	kill (getpid (), sig);
334	}
335
336	/* INTPROTO */
337	int
338	rxvt_xerror_handler (Display *display, XErrorEvent *event)
339	{
340	if (GET_R->allowedxerror == -1)
341	GET_R->allowedxerror = event->error_code;
342	else
343	{
344	old_xerror_handler (display, event);
345	GET_R->destroy ();
346	}
347
348	return 0;
349	}	353	}
350		354
351	/*----------------------------------------------------------------------*/	355	/*----------------------------------------------------------------------*/
352	/*	356	/*
353	* Exit gracefully, clearing the utmp entry and restoring tty attributes	357	* Exit gracefully, clearing the utmp entry and restoring tty attributes
354	* TODO: if debugging, this should free up any known resources if we can	358	* TODO: if debugging, this should free up any known resources if we can
355	*/	359	*/
356	/* EXTPROTO */	360	static XErrorHandler old_xerror_handler;
357	void
358	rxvt_clean_exit ()
359	{
360	// TODO: rxvtd should clean up all ressources
361	if (GET_R)
362	GET_R->destroy ();
363	}
364		361
365	/* ------------------------------------------------------------------------- *	362	static void
366	* MEMORY ALLOCATION WRAPPERS *	363	rxvt_emergency_cleanup ()
367	* ------------------------------------------------------------------------- */
368	/* EXTPROTO */
369	void *
370	rxvt_malloc(size_t size)
371	{	364	{
372	void *p;	365	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
373		366	(*t)->emergency_cleanup ();
374	p = malloc(size);
375	if (p)
376	return p;
377
378	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
379	rxvt_clean_exit();
380	exit(EXIT_FAILURE);
381	/* NOTREACHED */
382	}	367	}
383		368
384	/* EXTPROTO */	369	#if !ENABLE_MINIMAL
385	void *	370	static void
386	rxvt_calloc(size_t number, size_t size)	371	print_x_error (Display *dpy, XErrorEvent *event)
387	{	372	{
388	void *p;	373	char buffer[BUFSIZ];
389		374	char mesg[BUFSIZ];
390	p = calloc(number, size);	375	char number[32];
391	if (p)	376	char *mtype = "XlibMessage";
392	return p;	377	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
393		378	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
394	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	379	rxvt_warn ("An X Error occured, trying to continue after report.\n");
395	rxvt_clean_exit();	380	rxvt_warn ("%s: %s\n", mesg, buffer);
396	exit(EXIT_FAILURE);	381	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
397	/* NOTREACHED */	382	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		383	sprintf(number, "%d", event->request_code);
		384	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		385	rxvt_warn ("(which is %s)\n", buffer);
		386	if (event->request_code >= 128) {
		387	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		388	mesg, BUFSIZ);
		389	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		390	}
		391	if ((event->error_code == BadWindow) ||
		392	(event->error_code == BadPixmap) ||
		393	(event->error_code == BadCursor) ||
		394	(event->error_code == BadFont) ||
		395	(event->error_code == BadDrawable) ||
		396	(event->error_code == BadColor) ||
		397	(event->error_code == BadGC) ||
		398	(event->error_code == BadIDChoice) ||
		399	(event->error_code == BadValue) ||
		400	(event->error_code == BadAtom)) {
		401	if (event->error_code == BadValue)
		402	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		403	mesg, BUFSIZ);
		404	else if (event->error_code == BadAtom)
		405	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		406	mesg, BUFSIZ);
		407	else
		408	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		409	mesg, BUFSIZ);
		410	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		411	}
		412	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		413	mesg, BUFSIZ);
		414	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
398	}	415	}
		416	#endif
399		417
400	/* EXTPROTO */	418	int
401	void *	419	rxvt_xerror_handler (Display *display, XErrorEvent *event)
402	rxvt_realloc(void *ptr, size_t size)
403	{	420	{
404	void *p;	421	if (GET_R->allowedxerror == -1)
405		422	GET_R->allowedxerror = event->error_code;
406	if (ptr)
407	p = realloc(ptr, size);
408	else	423	else
409	p = malloc(size);	424	{
410	if (p)	425	// GET_R is most likely not the terminal which caused the error,
		426	// so just output the error and continue
		427	#if ENABLE_MINIMAL
		428	old_xerror_handler (display, event);
		429	#else
		430	print_x_error (display, event);
		431	#endif
		432	}
		433
411	return p;	434	return 0;
		435	}
412		436
413	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	437	int
414	rxvt_clean_exit();	438	rxvt_xioerror_handler (Display *display)
		439	{
		440	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		441	DisplayString (display));
		442	rxvt_emergency_cleanup ();
415	exit(EXIT_FAILURE);	443	_exit (EXIT_FAILURE);
416	/* NOTREACHED */
417	}	444	}
418		445
419	/* ------------------------------------------------------------------------- *	446	static struct sig_handlers
420	* PRIVILEGED OPERATIONS *
421	* ------------------------------------------------------------------------- */
422	/* take care of suid/sgid super-user (root) privileges */
423	void
424	rxvt_term::privileges (int mode)
425	{	447	{
426	#if ! defined(__CYGWIN32__)	448	ev::sig sw_term, sw_int;
427	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	449
428	/* setreuid() is the poor man's setuid(), seteuid() */	450	/*
429	# define seteuid(a) setreuid(-1, (a))	451	* Catch a fatal signal and tidy up before quitting
430	# define setegid(a) setregid(-1, (a))	452	*/
431	# define HAVE_SETEUID	453	void sig_term (ev::sig &w, int revents);
432	# endif	454
433	# ifdef HAVE_SETEUID	455	sig_handlers ()
434	switch (mode)
435	{	456	{
436	case IGNORE:	457	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
437	/*	458	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
438	* change effective uid/gid - not real uid/gid - so we can switch
439	* back to root later, as required
440	*/
441	seteuid(getuid());
442	setegid(getgid());
443	break;
444	case SAVE:
445	euid = geteuid();
446	egid = getegid();
447	break;
448	case RESTORE:
449	seteuid(euid);
450	setegid(egid);
451	break;
452	}	459	}
453	# else	460	} sig_handlers;
454	switch (mode)
455	{
456	case IGNORE:
457	setuid(getuid());
458	setgid(getgid());
459	/* FALLTHROUGH */
460	case SAVE:
461	/* FALLTHROUGH */
462	case RESTORE:
463	break;
464	}
465	# endif
466	#endif
467	}
468		461
469	#ifdef UTMP_SUPPORT
470	void	462	void
471	rxvt_term::privileged_utmp (char action)	463	sig_handlers::sig_term (ev::sig &w, int revents)
472	{	464	{
473	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",	465	rxvt_emergency_cleanup ();
474	action, next_utmp_action, getpid()));	466	w.stop ();
475	if (next_utmp_action != action || (action != SAVE && action != RESTORE)	467	kill (getpid (), w.signum);
476	|| (Options & Opt_utmpInhibit)
477	|| ttydev == NULL || *ttydev == '\0')
478	return;
479
480	privileges (RESTORE);
481	if (action == SAVE)
482	{
483	next_utmp_action = RESTORE;
484	makeutent (ttydev, rs[Rs_display_name]);
485	}
486	else
487	{ /* action == RESTORE */
488	next_utmp_action = IGNORE;
489	cleanutent ();
490	}
491	privileges (IGNORE);
492	}	468	}
493	#endif
494		469
495	#ifndef NO_SETOWNER_TTYDEV	470	char **rxvt_environ; // startup environment
496	void
497	rxvt_term::privileged_ttydev (char action)
498	{
499	D_MAIN((stderr,
500	"privileged_ttydev (%c); waiting for: %c (pid: %d)",
501	action, next_tty_action, getpid()));
502	if (next_tty_action != action || (action != SAVE && action != RESTORE)
503	|| ttydev == NULL || *ttydev == '\0')
504	return;
505		471
506	privileges (RESTORE);	472	void
		473	rxvt_init ()
		474	{
		475	ptytty::init ();
507		476
508	if (action == SAVE)	477	if (!ev_default_loop (0))
509	{	478	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
510	next_tty_action = RESTORE;
511	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
512	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
513	if (lstat(ttydev, &ttyfd_stat) < 0) /* you lose out */
514	next_tty_action = IGNORE;
515	else
516	# endif
517		479
518	{	480	rxvt_environ = environ;
519	chown(ttydev, getuid(), ttygid); /* fail silently */
520	chmod(ttydev, ttymode);
521	# ifdef HAVE_REVOKE
522	revoke(ttydev);
523	# endif
524		481
525	}	482	signal (SIGHUP, SIG_IGN);
526	}	483	signal (SIGPIPE, SIG_IGN);
527	else
528	{ /* action == RESTORE */
529	next_tty_action = IGNORE;
530	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
531	chmod(ttydev, ttyfd_stat.st_mode);
532	chown(ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
533	# else
534	chmod(ttydev,
535	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
536	chown(ttydev, 0, 0);
537	# endif
538		484
539	}	485	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		486	sig_handlers.sw_int.start (SIGINT); ev_unref ();
540		487
541	privileges (IGNORE);	488	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		489	/* signal (SIGURG, SIG_DFL); */
542		490
543	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	491	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
544	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",	492	// TODO: handle this with exceptions and tolerate the memory loss
545	action == RESTORE ? "Restoring" : (action ==	493	XSetIOErrorHandler (rxvt_xioerror_handler);
546	SAVE ? "Saving" :	494
547	"UNKNOWN ERROR for"), ttydev,	495	XrmInitialize ();
548	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
549	ttyfd_stat.st_gid));
550	# endif
551	}	496	}
552	#endif
553		497
554	/*----------------------------------------------------------------------*/	498	/*----------------------------------------------------------------------*/
555	/*	499	/*
556	* window size/position calculcations for XSizeHint and other storage.	500	* window size/position calculations for XSizeHint and other storage.
557	* if width/height are non-zero then override calculated width/height	501	* if width/height are non-zero then override calculated width/height
558	*/	502	*/
559	void	503	void
560	rxvt_term::window_calc (unsigned int width, unsigned int height)	504	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
561	{	505	{
562	short recalc_x, recalc_y;	506	short recalc_x, recalc_y;
563	int x, y, sb_w, mb_h, flags;	507	int x, y, flags;
564	unsigned int w, h;	508	unsigned int w, h;
565	unsigned int max_width, max_height;	509	unsigned int max_width, max_height;
566		510
567	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
568	TermWin.ncol, TermWin.nrow, szHint.width,
569	szHint.height));
570	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	511	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
571	szHint.win_gravity = NorthWestGravity;	512	szHint.win_gravity = NorthWestGravity;
572	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	513	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
573		514
574	recalc_x = recalc_y = 0;	515	recalc_x = recalc_y = 0;
575	flags = 0;	516	flags = 0;
		517
576	if (!parsed_geometry)	518	if (!parsed_geometry)
577	{	519	{
578	parsed_geometry = 1;	520	parsed_geometry = 1;
		521
579	if (rs[Rs_geometry])	522	if (rs[Rs_geometry])
580	flags = XParseGeometry(rs[Rs_geometry], &x, &y, &w, &h);	523	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		524
581	if (flags & WidthValue)	525	if (flags & WidthValue)
582	{	526	{
583	TermWin.ncol = BOUND_POSITIVE_INT16(w);	527	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
584	szHint.flags |= USSize;	528	szHint.flags |= USSize;
585	}	529	}
		530
586	if (flags & HeightValue)	531	if (flags & HeightValue)
587	{	532	{
588	TermWin.nrow = BOUND_POSITIVE_INT16(h);	533	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
589	szHint.flags |= USSize;	534	szHint.flags |= USSize;
590	}	535	}
		536
591	if (flags & XValue)	537	if (flags & XValue)
592	{	538	{
593	szHint.x = x;	539	szHint.x = x;
594	szHint.flags |= USPosition;	540	szHint.flags |= USPosition;
		541
595	if (flags & XNegative)	542	if (flags & XNegative)
596	{	543	{
597	recalc_x = 1;	544	recalc_x = 1;
598	szHint.win_gravity = NorthEastGravity;	545	szHint.win_gravity = NorthEastGravity;
599	}	546	}
600	}	547	}
		548
601	if (flags & YValue)	549	if (flags & YValue)
602	{	550	{
603	szHint.y = y;	551	szHint.y = y;
604	szHint.flags |= USPosition;	552	szHint.flags |= USPosition;
		553
605	if (flags & YNegative)	554	if (flags & YNegative)
606	{	555	{
607	recalc_y = 1;	556	recalc_y = 1;
		557
608	if (szHint.win_gravity == NorthEastGravity)	558	if (szHint.win_gravity == NorthEastGravity)
609	szHint.win_gravity = SouthEastGravity;	559	szHint.win_gravity = SouthEastGravity;
610	else	560	else
611	szHint.win_gravity = SouthWestGravity;	561	szHint.win_gravity = SouthWestGravity;
612	}	562	}
613	}	563	}
		564
		565	if (!szHint.width || !szHint.height)
		566	rxvt_fatal ("window width or height must not be zero, aborting.\n");
614	}	567	}
		568
615	/* TODO: BOUNDS */	569	/* TODO: BOUNDS */
616	TermWin.width = TermWin.ncol * TermWin.fwidth;	570	width = ncol * fwidth;
617	TermWin.height = TermWin.nrow * TermWin.fheight;	571	height = nrow * fheight;
618	max_width = MAX_COLS * TermWin.fwidth;	572	max_width = MAX_COLS * fwidth;
619	max_height = MAX_ROWS * TermWin.fheight;	573	max_height = MAX_ROWS * fheight;
620		574
621	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	575	szHint.base_width = szHint.base_height = 2 * int_bwidth;
622		576
623	sb_w = mb_h = 0;
624	window_vt_x = window_vt_y = 0;	577	window_vt_x = window_vt_y = int_bwidth;
625	if (scrollbar_visible ())	578
		579	if (scrollBar.state)
626	{	580	{
627	sb_w = scrollbar_TotalWidth();	581	int sb_w = scrollBar.total_width ();
628	szHint.base_width += sb_w;	582	szHint.base_width += sb_w;
		583
629	if (!(Options & Opt_scrollBar_right))	584	if (!option (Opt_scrollBar_right))
630	window_vt_x = sb_w;	585	window_vt_x += sb_w;
631	}
632	if (menubar_visible ())
633	{	586	}
634	mb_h = menuBar_TotalHeight();	587
635	szHint.base_height += mb_h;
636	window_vt_y = mb_h;
637	}
638	szHint.width_inc = TermWin.fwidth;	588	szHint.width_inc = fwidth;
639	szHint.height_inc = TermWin.fheight;	589	szHint.height_inc = fheight;
640	szHint.min_width = szHint.base_width + szHint.width_inc;	590	szHint.min_width = szHint.base_width + szHint.width_inc;
641	szHint.min_height = szHint.base_height + szHint.height_inc;	591	szHint.min_height = szHint.base_height + szHint.height_inc;
642		592
643	if (width && width - szHint.base_width < max_width)	593	if (newwidth && newwidth - szHint.base_width < max_width)
644	{	594	{
645	szHint.width = width;	595	szHint.width = newwidth;
646	TermWin.width = width - szHint.base_width;	596	width = newwidth - szHint.base_width;
647	}	597	}
648	else	598	else
649	{	599	{
650	MIN_IT(TermWin.width, max_width);	600	min_it (width, max_width);
651	szHint.width = szHint.base_width + TermWin.width;	601	szHint.width = szHint.base_width + width;
652	}	602	}
		603
653	if (height && height - szHint.base_height < max_height)	604	if (newheight && newheight - szHint.base_height < max_height)
654	{	605	{
655	szHint.height = height;	606	szHint.height = newheight;
656	TermWin.height = height - szHint.base_height;	607	height = newheight - szHint.base_height;
657	}	608	}
658	else	609	else
659	{	610	{
660	MIN_IT(TermWin.height, max_height);	611	min_it (height, max_height);
661	szHint.height = szHint.base_height + TermWin.height;	612	szHint.height = szHint.base_height + height;
662	}	613	}
663	if (scrollbar_visible () && (Options & Opt_scrollBar_right))
664	window_sb_x = szHint.width - sb_w;
665		614
666	if (recalc_x)	615	if (recalc_x)
667	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	616	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
668	- szHint.width - 2 * TermWin.ext_bwidth);	617
669	if (recalc_y)	618	if (recalc_y)
670	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	619	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
671	- szHint.height - 2 * TermWin.ext_bwidth);
672		620
673	TermWin.ncol = TermWin.width / TermWin.fwidth;	621	ncol = width / fwidth;
674	TermWin.nrow = TermWin.height / TermWin.fheight;	622	nrow = height / fheight;
675	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
676	TermWin.ncol, TermWin.nrow, szHint.width,
677	szHint.height));
678	return;
679	}	623	}
680		624
681	/*----------------------------------------------------------------------*/	625	/*----------------------------------------------------------------------*/
682	/*	626	/*
683	* Tell the teletype handler what size the window is.	627	* Tell the teletype handler what size the window is.
684	* Called after a window size change.	628	* Called after a window size change.
685	*/	629	*/
686	void	630	void
687	rxvt_term::tt_winch ()	631	rxvt_term::tt_winch ()
688	{	632	{
		633	if (pty->pty < 0)
		634	return;
		635
689	struct winsize ws;	636	struct winsize ws;
690		637
691	if (cmd_fd < 0)
692	return;
693
694	ws.ws_col = TermWin.ncol;	638	ws.ws_col = ncol;
695	ws.ws_row = TermWin.nrow;	639	ws.ws_row = nrow;
696	ws.ws_xpixel = ws.ws_ypixel = 0;	640	ws.ws_xpixel = width;
697	#ifndef DEBUG_SIZE	641	ws.ws_ypixel = height;
698	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	642	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
699	#else	643
700	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	644	#if 0
701	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	645	// TIOCSWINSZ is supposed to do this automatically and correctly
702	# ifdef SIGWINCH
703	else if (cmd_pid) /* force through to the command */	646	if (cmd_pid) /* force through to the command */
704	kill (cmd_pid, SIGWINCH);	647	kill (-cmd_pid, SIGWINCH);
705	# endif
706	#endif	648	#endif
707	}	649	}
708		650
709	/*----------------------------------------------------------------------*/	651	/*----------------------------------------------------------------------*/
710	/* rxvt_change_font() - Switch to a new font */	652	/* set_fonts () - load and set the various fonts
711	/*	653	*
712	* init = 1 - initialize	654	* init = 1 - initialize
713	*	655	*
714	* fontname == FONT_UP - switch to bigger font	656	* fontname == FONT_UP - switch to bigger font
715	* fontname == FONT_DN - switch to smaller font	657	* fontname == FONT_DN - switch to smaller font
716	*/	658	*/
717	void	659	bool
718	rxvt_term::change_font (int init, const char *fontname)	660	rxvt_term::set_fonts ()
719	{}	661	{
		662	rxvt_fontset *fs = new rxvt_fontset (this);
		663	rxvt_fontprop prop;
720		664
		665	if (!fs
		666	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		667	|| !fs->realize_font (1))
		668	{
		669	delete fs;
		670	return false;
		671	}
		672
		673	#if ENABLE_STYLES
		674	for (int i = RS_styleCount; --i; )
		675	if (fontset[i] != fontset[0])
		676	delete fontset[i];
		677	#endif
		678
		679	delete fontset[0];
		680	fontset[0] = fs;
		681
		682	prop = (*fs)[1]->properties ();
		683	prop.height += lineSpace;
		684
		685	fs->set_prop (prop, false);
		686
		687	fwidth = prop.width;
		688	fheight = prop.height;
		689	fbase = prop.ascent;
		690
		691	for (int style = 1; style < 4; style++)
		692	{
		693	#if ENABLE_STYLES
		694	const char *res = rs[Rs_font + style];
		695
		696	if (res && !*res)
		697	fontset[style] = fontset[0];
		698	else
		699	{
		700	fontset[style] = fs = new rxvt_fontset (this);
		701	rxvt_fontprop prop2 = prop;
		702
		703	if (res)
		704	{
		705	fs->populate (res);
		706	fs->set_prop (prop2, false);
		707	}
		708	else
		709	{
		710	fs->populate (fontset[0]->fontdesc);
		711
		712	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		713	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		714
		715	fs->set_prop (prop2, true);
		716	}
		717
		718	}
		719	#else
		720	fontset[style] = fontset[0];
		721	#endif
		722	}
		723
		724	if (parent[0])
		725	{
		726	resize_all_windows (0, 0, 0);
		727	scr_remap_chars ();
		728	scr_touch (true);
		729	}
		730
		731	return true;
		732	}
		733
721	void	734	void
722	rxvt_term::font_up_down (int n, int direction)	735	rxvt_term::set_string_property (Atom prop, const char *str, int len)
723	{}	736	{
		737	XChangeProperty (dpy, parent[0],
		738	prop, XA_STRING, 8, PropModeReplace,
		739	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		740	}
		741
		742	void
		743	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		744	{
		745	wchar_t *ws = rxvt_mbstowcs (str, len);
		746	char *s = rxvt_wcstoutf8 (ws);
		747
		748	XChangeProperty (dpy, parent[0],
		749	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		750	(const unsigned char *)s, strlen (s));
		751
		752	free (s);
		753	free (ws);
		754	}
724		755
725	/*----------------------------------------------------------------------*/	756	/*----------------------------------------------------------------------*/
726	/*----------------------------------------------------------------------*/	757	/*----------------------------------------------------------------------*/
727	/* xterm sequences - title, iconName, color (exptl) */	758	/* xterm sequences - title, iconName, color (exptl) */
728	void	759	void
729	rxvt_term::set_title (const char *str)	760	rxvt_term::set_title (const char *str)
730	{	761	{
731	#ifndef SMART_WINDOW_TITLE	762	set_string_property (XA_WM_NAME, str);
732	XStoreName(display->display, TermWin.parent[0], str);	763	#if ENABLE_EWMH
733	#else	764	set_utf8_property (xa[XA_NET_WM_NAME], str);
734	char *name;
735
736	if (XFetchName(display->display, TermWin.parent[0], &name) == 0)
737	name = NULL;
738	if (name == NULL || STRCMP(name, str))
739	XStoreName(display->display, TermWin.parent[0], str);
740	if (name)
741	XFree(name);
742	#endif	765	#endif
743	}	766	}
744		767
745	void	768	void
746	rxvt_term::set_iconName (const char *str)	769	rxvt_term::set_icon_name (const char *str)
747	{	770	{
748	#ifndef SMART_WINDOW_TITLE	771	set_string_property (XA_WM_ICON_NAME, str);
749	XSetIconName(display->display, TermWin.parent[0], str);	772	#if ENABLE_EWMH
750	#else	773	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
751	char *name;
752
753	if (XGetIconName(display->display, TermWin.parent[0], &name))
754	name = NULL;
755	if (name == NULL || STRCMP(name, str))
756	XSetIconName(display->display, TermWin.parent[0], str);
757	if (name)
758	XFree(name);
759	#endif	774	#endif
760	}	775	}
761		776
		777	void
		778	rxvt_term::set_window_color (int idx, const char *color)
		779	{
762	#ifdef XTERM_COLOR_CHANGE	780	#ifdef XTERM_COLOR_CHANGE
763	void
764	rxvt_term::set_window_color (int idx, const char *color)
765	{
766	rxvt_color xcol;	781	rxvt_color xcol;
767	int i;
768		782
769	if (color == NULL || *color == '\0')	783	if (color == NULL || *color == '\0')
770	return;	784	return;
771		785
		786	color = strdup (color);
		787	allocated.push_back ((void *)color);
		788	rs[Rs_color + idx] = color;
		789
772	/* handle color aliases */	790	/* handle color aliases */
773	if (isdigit(*color))	791	if (isdigit (*color))
774	{	792	{
775	i = atoi(color);	793	int i = atoi (color);
		794
776	if (i >= 8 && i <= 15)	795	if (i >= 8 && i <= 15)
		796	{
777	{ /* bright colors */	797	/* bright colors */
778	i -= 8;
779	# ifndef NO_BRIGHTCOLOR
780	PixColors[idx] = PixColors[minBrightCOLOR + i];	798	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
781	SET_PIXCOLOR(idx);
782	goto Done;	799	goto done;
783	# endif
784
785	}	800	}
		801
786	if (i >= 0 && i <= 7)	802	if (i >= 0 && i <= 7)
		803	{
787	{ /* normal colors */	804	/* normal colors */
788	PixColors[idx] = PixColors[minCOLOR + i];	805	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
789	SET_PIXCOLOR(idx);
790	goto Done;	806	goto done;
791	}	807	}
792	}	808	}
793	if (!rXParseAllocColor (& xcol, color))	809
794	return;	810	set_color (xcol, color);
795	/* XStoreColor (display->display, XCMAP, XColor*); */
796		811
797	/*	812	/*
798	* FIXME: should free colors here, but no idea how to do it so instead,	813	* FIXME: should free colors here, but no idea how to do it so instead,
799	* so just keep gobbling up the colormap	814	* so just keep gobbling up the colormap
800	*/	815	*/
801	# if 0
802	for (i = Color_Black; i <= Color_White; i++)
803	if (PixColors[idx] == PixColors[i])
804	break;
805	if (i > Color_White)
806	{
807	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
808	XFreeColors(display->display, XCMAP, (PixColors + idx), 1,
809	DisplayPlanes(display->display, display->screen));
810	}
811	# endif
812		816
813	PixColors[idx] = xcol;	817	pix_colors_focused[idx] = xcol;
814	SET_PIXCOLOR(idx);
815		818
816	/* XSetWindowAttributes attr; */
817	/* Cursor cursor; */
818	Done:	819	done:
819	if (idx == Color_bg && !(Options & Opt_transparent))
820	XSetWindowBackground(display->display, TermWin.vt,
821	PixColors[Color_bg]);
822
823	/* handle Color_BD, scrollbar background, etc. */	820	/*TODO: handle Color_BD, scrollbar background, etc. */
824		821
825	set_colorfgbg ();	822	update_fade_color (idx);
826	recolour_cursor ();	823	recolour_cursor ();
827	/* the only reasonable way to enforce a clean update */	824	scr_recolour ();
828	scr_poweron ();	825	#endif /* XTERM_COLOR_CHANGE */
829	}	826	}
830
831	#else
832	# define set_window_color (idx,color) ((void)0)
833	#endif /* XTERM_COLOR_CHANGE */
834		827
835	void	828	void
836	rxvt_term::recolour_cursor ()	829	rxvt_term::recolour_cursor ()
837	{	830	{
838	#if TODO	831	XColor fg, bg;
839	rxvt_color xcol[2];
840		832
841	xcol[0] = PixColors[Color_pointer];	833	(ISSET_PIXCOLOR (Color_pointer_fg)
842	xcol[1] = PixColors[Color_bg];	834	? pix_colors_focused[Color_pointer_fg]
843	XQueryColors (display->display, XCMAP, xcol, 2);	835	: pix_colors_focused[Color_fg]).get (fg);
844	XRecolorCursor (display->display, TermWin_cursor, &(xcol[0]), &(xcol[1]));	836
845	#endif	837	(ISSET_PIXCOLOR (Color_pointer_bg)
		838	? pix_colors_focused[Color_pointer_bg]
		839	: pix_colors_focused[Color_bg]).get (bg);
		840
		841	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
846	}	842	}
847		843
848	/*----------------------------------------------------------------------*/	844	/*----------------------------------------------------------------------*/
849	/*	845	/*
850	* find if fg/bg matches any of the normal (low-intensity) colors	846	* find if fg/bg matches any of the normal (low-intensity) colors
851	*/	847	*/
852	void	848	void
853	rxvt_term::set_colorfgbg ()	849	rxvt_term::set_colorfgbg ()
854	{	850	{
855	unsigned int i;	851	unsigned int i;
856	const char *xpmb = "\0";	852	const char *xpmb = "";
857	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	853	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
858		854
859	env_colorfgbg =
860	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);
861	STRCPY(fstr, "default");	855	strcpy (fstr, "default");
862	STRCPY(bstr, "default");	856	strcpy (bstr, "default");
863	for (i = Color_Black; i <= Color_White; i++)	857	for (i = Color_Black; i <= Color_White; i++)
864	if (PixColors[Color_fg] == PixColors[i])	858	if (pix_colors[Color_fg] == pix_colors[i])
865	{	859	{
866	sprintf(fstr, "%d", (i - Color_Black));	860	sprintf (fstr, "%d", (i - Color_Black));
867	break;	861	break;
868	}	862	}
		863
869	for (i = Color_Black; i <= Color_White; i++)	864	for (i = Color_Black; i <= Color_White; i++)
870	if (PixColors[Color_bg] == PixColors[i])	865	if (pix_colors[Color_bg] == pix_colors[i])
871	{	866	{
872	sprintf(bstr, "%d", (i - Color_Black));	867	sprintf (bstr, "%d", (i - Color_Black));
873	#ifdef XPM_BACKGROUND	868	#ifdef BG_IMAGE_FROM_FILE
874	xpmb = "default;";	869	xpmb = "default;";
875	#endif	870	#endif
876	break;	871	break;
877	}	872	}
		873
878	sprintf(env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	874	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
879	putenv(env_colorfgbg);
880
881	#ifndef NO_BRIGHTCOLOR
882	colorfgbg = DEFAULT_RSTYLE;
883	for (i = minCOLOR; i <= maxCOLOR; i++)
884	{
885	if (PixColors[Color_fg] == PixColors[i])
886	colorfgbg = SET_FGCOLOR(colorfgbg, i);
887	if (PixColors[Color_bg] == PixColors[i])
888	colorfgbg = SET_BGCOLOR(colorfgbg, i);
889	}
890	#endif
891	}	875	}
892		876
893	/*----------------------------------------------------------------------*/	877	/*----------------------------------------------------------------------*/
894	/*
895	* Colour determination for low colour displays, routine from
896	* Hans de Goede <hans@highrise.nl>
897	*/
898		878
899	int	879	bool
900	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	880	rxvt_term::set_color (rxvt_color &color, const char *name)
901	{	881	{
902	if (!screen_in_out->set (display, colour))	882	if (color.set (this, name))
903	{
904	rxvt_print_error("can't allocate colour: %s", colour);
905	return false;
906	}
907
908	return true;	883	return true;
		884
		885	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		886	return false;
		887	}
		888
		889	void
		890	rxvt_term::alias_color (int dst, int src)
		891	{
		892	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
909	}	893	}
910		894
911	/* -------------------------------------------------------------------- *	895	/* -------------------------------------------------------------------- *
912	* - WINDOW RESIZING - *	896	* - WINDOW RESIZING - *
913	* -------------------------------------------------------------------- */	897	* -------------------------------------------------------------------- */
914	void	898	void
915	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	899	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
916	{	900	{
917	int fix_screen;	901	int fix_screen;
		902	int old_width = szHint.width;
		903	int old_height = szHint.height;
918		904
919	#ifdef SMART_RESIZE
920	int old_width = szHint.width, old_height = szHint.height;
921	#endif
922
923	window_calc (width, height);	905	window_calc (newwidth, newheight);
		906
		907	if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
924	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	908	XSetWMNormalHints (dpy, parent[0], &szHint);
		909
925	if (!ignoreparent)	910	if (!ignoreparent)
926	{	911	{
927	#ifdef SMART_RESIZE	912	#ifdef SMART_RESIZE
928	/*	913	/*
929	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	914	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
932	int x, y, x1, y1;	917	int x, y, x1, y1;
933	int dx, dy;	918	int dx, dy;
934	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	919	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
935	Window unused_cr;	920	Window unused_cr;
936		921
937	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	922	XTranslateCoordinates (dpy, parent[0], display->root,
938	0, 0, &x, &y, &unused_cr);	923	0, 0, &x, &y, &unused_cr);
939	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	924	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
940	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	925	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
941	/*	926	/*
942	* if display->root isn't the parent window, a WM will probably have offset	927	* if display->root isn't the parent window, a WM will probably have offset
943	* our position for handles and decorations. Counter it	928	* our position for handles and decorations. Counter it
944	*/	929	*/
…		…
946	{	931	{
947	x -= x1;	932	x -= x1;
948	y -= y1;	933	y -= y1;
949	}	934	}
950		935
951	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	936	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
952	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	937	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
953	dx = old_width - szHint.width;	938	dx = old_width - szHint.width;
954	dy = old_height - szHint.height;	939	dy = old_height - szHint.height;
955		940
956	/* Check position of the center of the window */	941	/* Check position of the center of the window */
957	if (x < x1) /* left half */	942	if (x < x1) /* left half */
958	dx = 0;	943	dx = 0;
…		…
961	if (y < y1) /* top half */	946	if (y < y1) /* top half */
962	dy = 0;	947	dy = 0;
963	else if (y == y1) /* exact center */	948	else if (y == y1) /* exact center */
964	dy /= 2;	949	dy /= 2;
965		950
966	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	951	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
967	szHint.width, szHint.height);	952	szHint.width, szHint.height);
968	#else	953	#else
969	XResizeWindow (display->display, TermWin.parent[0], szHint.width,	954	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
970	szHint.height);
971	#endif	955	#endif
972
973	}	956	}
974		957
975	fix_screen = (TermWin.ncol != prev_ncol	958	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
976	|| TermWin.nrow != prev_nrow);
977		959
978	if (fix_screen || width != old_width || height != old_height)	960	if (fix_screen || newwidth != old_width || newheight != old_height)
979	{	961	{
980	if (scrollbar_visible ())	962	if (scrollBar.state)
981	{	963	scrollBar.resize ();
982	XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,
983	0, scrollbar_TotalWidth (), szHint.height);
984	resize_scrollbar ();
985	}
986		964
987	if (menubar_visible ())	965	XMoveResizeWindow (dpy, vt,
988	XMoveResizeWindow (display->display, menuBar.win, window_vt_x,	966	window_vt_x, window_vt_y,
989	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
990
991	XMoveResizeWindow (display->display, TermWin.vt, window_vt_x,
992	window_vt_y, TermWin_TotalWidth (),
993	TermWin_TotalHeight ());	967	width, height);
994	#ifdef RXVT_GRAPHICS	968
995	if (old_height)	969	#ifdef HAVE_BG_PIXMAP
996	Gr_Resize (old_width - szHint.base_width,	970	if (bgPixmap.window_size_sensitive ())
997	old_height - szHint.base_height);	971	update_background ();
998	#endif	972	#endif
		973
999	scr_clear ();	974	scr_clear ();
1000	#ifdef XPM_BACKGROUND
1001	resize_pixmap ();
1002	#endif
1003
1004	}	975	}
1005		976
1006	if (fix_screen || old_height == 0)	977	if (fix_screen || old_height == 0)
1007	{
1008	int curr_screen = -1;
1009	int old_ncol = prev_ncol;
1010
1011	/* scr_reset only works on the primary screen */
1012	if (old_height) /* this is not the first time through */
1013	{
1014	unsigned int ncol = TermWin.ncol;
1015	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1016	curr_screen = scr_change_screen (PRIMARY);
1017	TermWin.ncol = ncol;
1018	}
1019
1020	scr_reset();	978	scr_reset ();
1021		979
1022	if (curr_screen >= 0) /* this is not the first time through */	980	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
1023	{	981	//scr_touch (false);
1024	scr_change_screen (curr_screen);
1025	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
1026	}
1027	}
1028		982
1029	old_width = szHint.width;	983	#ifdef HAVE_BG_PIXMAP
1030	old_height = szHint.height;	984	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
		985	// if (bgPixmap.pixmap)
		986	// scr_touch (false);
		987	#endif
1031		988
1032	#ifdef USE_XIM	989	#ifdef USE_XIM
1033	IMSetStatusPosition ();	990	IMSetPosition ();
1034	#endif	991	#endif
1035	}	992	}
1036		993
1037	/*	994	/*
1038	* Set the width/height of the vt window in characters. Units are pixels.	995	* Set the width/height of the vt window in characters. Units are pixels.
1039	* good for toggling 80/132 columns	996	* good for toggling 80/132 columns
1040	*/	997	*/
1041	void	998	void
1042	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	999	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1043	{	1000	{
1044	XWindowAttributes wattr;	1001	XWindowAttributes wattr;
1045		1002
1046	if (width == 0 || height == 0)	1003	if (newwidth == 0 || newheight == 0)
1047	{	1004	{
1048	XGetWindowAttributes(display->display, display->root, &wattr);	1005	XGetWindowAttributes (dpy, display->root, &wattr);
		1006
1049	if (width == 0)	1007	if (newwidth == 0)
1050	width = wattr.width - szHint.base_width;	1008	newwidth = wattr.width - szHint.base_width;
1051	if (height == 0)	1009	if (newheight == 0)
1052	height = wattr.height - szHint.base_height;	1010	newheight = wattr.height - szHint.base_height;
1053	}
1054	if (width != TermWin.width || height != TermWin.height)
1055	{	1011	}
		1012
		1013	if (newwidth != width || newheight != height)
		1014	{
1056	width += szHint.base_width;	1015	newwidth += szHint.base_width;
1057	height += szHint.base_height;	1016	newheight += szHint.base_height;
1058	resize_all_windows (width, height, 0);	1017	resize_all_windows (newwidth, newheight, 0);
1059	}	1018	}
1060	}	1019	}
1061		1020
1062	/* -------------------------------------------------------------------- *	1021	/* -------------------------------------------------------------------- *
1063	* - X INPUT METHOD ROUTINES - *	1022	* - X INPUT METHOD ROUTINES - *
1064	* -------------------------------------------------------------------- */	1023	* -------------------------------------------------------------------- */
1065	#ifdef USE_XIM	1024	#ifdef USE_XIM
1066		1025
1067	void	1026	void
		1027	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
		1028	{
		1029	fg = pix_colors [Color_fg];
		1030	bg = pix_colors [Color_bg];
		1031	}
		1032
		1033	void
1068	rxvt_term::im_set_size (XRectangle *size)	1034	rxvt_term::im_set_size (XRectangle &size)
1069	{	1035	{
1070	size->x = TermWin.int_bwidth;	1036	// the int_bwidth terms make no sense to me
1071	size->y = TermWin.int_bwidth;	1037	size.x = int_bwidth;
1072	size->width = Width2Pixel(TermWin.ncol);	1038	size.y = int_bwidth;
1073	size->height = Height2Pixel(TermWin.nrow);	1039	size.width = Width2Pixel (ncol) + int_bwidth;
		1040	size.height = Height2Pixel (nrow) + int_bwidth;
1074	}	1041	}
1075		1042
1076	void	1043	void
1077	rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)	1044	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1045	XRectangle &status_rect,
		1046	const XRectangle &needed_rect)
1078	{	1047	{
1079	*fg = PixColors[Color_fg];	1048	preedit_rect.x = needed_rect.width;
1080	*bg = PixColors[Color_bg];	1049	preedit_rect.y = 0;
		1050	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1051	preedit_rect.height = fheight;
		1052
		1053	status_rect.x = 0;
		1054	status_rect.y = 0;
		1055	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1056	status_rect.height = fheight;
1081	}	1057	}
1082		1058
1083	/* Checking whether input method is running. */	1059	/* Checking whether input method is running. */
1084	bool	1060	bool
1085	rxvt_term::IMisRunning ()	1061	rxvt_term::IMisRunning ()
1086	{	1062	{
1087	char *p;	1063	char *p;
1088	Atom atom;	1064	Atom atom;
1089	Window win;	1065	Window win;
1090	char server[IMBUFSIZ];	1066	char server[IMBUFSIZ];
1091		1067
1092	/* get current locale modifier */	1068	/* get current locale modifier */
1093	if ((p = XSetLocaleModifiers(NULL)) != NULL)	1069	if ((p = XSetLocaleModifiers (NULL)) != NULL)
1094	{	1070	{
1095	STRCPY(server, "@server=");	1071	strcpy (server, "@server=");
1096	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1072	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1073
1097	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1074	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1098	*p = '\0';	1075	*p = '\0';
1099		1076
1100	atom = XInternAtom(display->display, server, False);	1077	atom = XInternAtom (dpy, server, False);
1101	win = XGetSelectionOwner(display->display, atom);	1078	win = XGetSelectionOwner (dpy, atom);
		1079
1102	if (win != None)	1080	if (win != None)
1103	return True;	1081	return True;
1104	}	1082	}
		1083
1105	return False;	1084	return False;
1106	}	1085	}
1107		1086
1108	void	1087	void
1109	rxvt_term::IMSendSpot ()	1088	rxvt_term::IMSendSpot ()
1110	{	1089	{
1111	XPoint spot;	1090	XPoint nspot;
1112	XVaNestedList preedit_attr;	1091	XVaNestedList preedit_attr;
1113		1092
1114	if (Input_Context == NULL	1093	if (!Input_Context
1115	|| !TermWin.focus || !(input_style & XIMPreeditPosition)	1094	|| !focus
1116	|| !(event_type == KeyPress	1095	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1117	|| event_type == Expose
1118	|| event_type == NoExpose
1119	|| event_type == SelectionNotify
1120	|| event_type == ButtonRelease || event_type == FocusIn)
1121	|| !IMisRunning ())
1122	return;	1096	return;
1123		1097
1124	im_set_position (&spot);	1098	im_set_position (nspot);
1125		1099
		1100	if (nspot.x == spot.x && nspot.y == spot.y)
		1101	return;
		1102
		1103	spot = nspot;
		1104
1126	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1105	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1127	XSetICValues(Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1106	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1128	XFree(preedit_attr);	1107	XFree (preedit_attr);
1129	}
1130
1131	void
1132	rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,
1133	XRectangle * needed_rect)
1134	{
1135	int mbh, vtx = 0;
1136
1137	if (scrollbar_visible () && !(Options & Opt_scrollBar_right))
1138	vtx = scrollbar_TotalWidth();
1139
1140	mbh = menubar_visible () ? menuBar_TotalHeight() : 0;
1141	mbh -= TermWin.lineSpace;
1142
1143	preedit_rect->x = needed_rect->width + vtx;
1144	preedit_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1145
1146	preedit_rect->width = Width2Pixel(TermWin.ncol + 1) - needed_rect->width + vtx;
1147	preedit_rect->height = Height2Pixel(1);
1148
1149	status_rect->x = vtx;
1150	status_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1151
1152	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel(TermWin.ncol + 1);
1153	status_rect->height = Height2Pixel(1);
1154	}	1108	}
1155		1109
1156	void	1110	void
1157	rxvt_term::im_destroy ()	1111	rxvt_term::im_destroy ()
1158	{	1112	{
1159	if (Input_Context)
1160	{
1161	XDestroyIC (Input_Context);
1162	Input_Context = NULL;
1163	}
1164
1165	if (input_method)	1113	if (input_method)
1166	{	1114	{
		1115	if (Input_Context && input_method->xim)
		1116	XDestroyIC (Input_Context);
		1117
1167	display->put_xim (input_method);	1118	display->put_xim (input_method);
1168	input_method = 0;	1119	input_method = 0;
1169	}	1120	}
		1121
		1122	Input_Context = 0;
1170	}	1123	}
		1124
		1125	#ifdef ENABLE_XIM_ONTHESPOT
		1126
		1127	static void
		1128	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1129	{
		1130	((rxvt_term *)client_data)->make_current ();
		1131	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1132	}
		1133
		1134	static void
		1135	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1136	{
		1137	((rxvt_term *)client_data)->make_current ();
		1138	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1139	}
		1140
		1141	static void
		1142	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1143	{
		1144	rxvt_term *term = (rxvt_term *)client_data;
		1145	XIMText *text = call_data->text;
		1146
		1147	term->make_current ();
		1148
		1149	if (text)
		1150	{
		1151	void *str;
		1152
		1153	if (!text->encoding_is_wchar && text->string.multi_byte)
		1154	{
		1155	// of course, X makes it ugly again
		1156	if (term->rs[Rs_imLocale])
		1157	SET_LOCALE (term->rs[Rs_imLocale]);
		1158
		1159	str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
		1160	mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
		1161
		1162	if (term->rs[Rs_imLocale])
		1163	SET_LOCALE (term->locale);
		1164	}
		1165	else
		1166	str = (void *)text->string.wide_char;
		1167
		1168	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1169	DT_INT, call_data->caret,
		1170	DT_INT, call_data->chg_first,
		1171	DT_INT, call_data->chg_length,
		1172	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1173	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1174	DT_END));
		1175	}
		1176	else
		1177	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1178	DT_INT, call_data->caret,
		1179	DT_INT, call_data->chg_first,
		1180	DT_INT, call_data->chg_length,
		1181	DT_END));
		1182	}
		1183
		1184	#if 0
		1185	static void
		1186	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1187	{
		1188	((rxvt_term *)client_data)->make_current ();
		1189	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1190	DT_INT, call_data->position,
		1191	DT_INT, call_data->direction,
		1192	DT_INT, call_data->style,
		1193	DT_END));
		1194	}
		1195	#endif
		1196
		1197	#endif
1171		1198
1172	/*	1199	/*
1173	* Try to open a XIM with the current modifiers, then see if we can	1200	* Try to open a XIM with the current modifiers, then see if we can
1174	* open a suitable preedit type	1201	* open a suitable preedit type
1175	*/	1202	*/
1176	bool	1203	bool
1177	rxvt_term::IM_get_IC (const char *modifiers)	1204	rxvt_term::IM_get_IC (const char *modifiers)
1178	{	1205	{
1179	int i, j, found;	1206	int i, j, found;
1180	XIM xim;	1207	XIM xim;
1181	XPoint spot;	1208	XPoint spot;
1182	XRectangle rect, status_rect, needed_rect;	1209	XRectangle rect, status_rect, needed_rect;
1183	unsigned long fg, bg;	1210	unsigned long fg, bg;
1184	const char *p;	1211	const char *p;
1185	char **s;	1212	char **s;
1186	XIMStyles *xim_styles;	1213	XIMStyles *xim_styles;
1187	XVaNestedList preedit_attr, status_attr;	1214	#ifdef ENABLE_XIM_ONTHESPOT
		1215	XIMCallback xcb[4];
		1216	#endif
1188		1217
		1218	set_environ (envv);
		1219
1189	if (!((p = XSetLocaleModifiers (modifiers)) && *p))	1220	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1190	return false;	1221	return false;
1191		1222
1192	D_MAIN((stderr, "rxvt_IM_get_IC()"));
1193	input_method = display->get_xim (locale, modifiers);	1223	input_method = display->get_xim (locale, modifiers);
1194	if (input_method == NULL)	1224	if (input_method == NULL)
1195	return false;	1225	return false;
1196		1226
1197	xim = input_method->xim;	1227	xim = input_method->xim;
		1228	spot.x = spot.y = -1;
1198		1229
1199	xim_styles = NULL;	1230	xim_styles = NULL;
1200	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1231	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1201	|| !xim_styles || !xim_styles->count_styles)	1232	|| !xim_styles || !xim_styles->count_styles)
1202	{	1233	{
1203	display->put_xim (input_method);	1234	im_destroy ();
1204	return false;	1235	return false;
1205	}	1236	}
1206		1237
1207	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";	1238	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1239
		1240	for (int pi = 0; pi < 2; pi++)
		1241	{
		1242	p = pet[pi];
		1243
		1244	if (!p)
		1245	continue;
		1246
1208	s = rxvt_splitcommastring(p);	1247	s = rxvt_splitcommastring (p);
		1248
1209	for (i = found = 0; !found && s[i]; i++)	1249	for (i = found = 0; !found && s[i]; i++)
1210	{	1250	{
1211	if (!STRCMP(s[i], "OverTheSpot"))	1251	if (!strcmp (s[i], "OverTheSpot"))
1212	input_style = (XIMPreeditPosition | XIMStatusNothing);	1252	input_style = XIMPreeditPosition | XIMStatusNothing;
1213	else if (!STRCMP(s[i], "OffTheSpot"))	1253	else if (!strcmp (s[i], "OffTheSpot"))
1214	input_style = (XIMPreeditArea | XIMStatusArea);	1254	input_style = XIMPreeditArea | XIMStatusArea;
1215	else if (!STRCMP(s[i], "Root"))	1255	else if (!strcmp (s[i], "Root"))
1216	input_style = (XIMPreeditNothing | XIMStatusNothing);	1256	input_style = XIMPreeditNothing | XIMStatusNothing;
		1257	else if (!strcmp (s[i], "None"))
		1258	input_style = XIMPreeditNone | XIMStatusNone;
		1259	#ifdef ENABLE_XIM_ONTHESPOT
		1260	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1261	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1262	#endif
		1263	else
		1264	input_style = XIMPreeditNothing | XIMStatusNothing;
1217		1265
1218	for (j = 0; j < xim_styles->count_styles; j++)	1266	for (j = 0; j < xim_styles->count_styles; j++)
1219	if (input_style == xim_styles->supported_styles[j])	1267	if (input_style == xim_styles->supported_styles[j])
1220	{	1268	{
		1269	rxvt_freecommastring (s);
		1270
1221	found = 1;	1271	found = 1;
1222	break;	1272	goto foundpet;
		1273	}
		1274
1223	}	1275	}
1224	}
1225		1276
1226	for (i = 0; s[i]; i++)	1277	rxvt_freecommastring (s);
1227	free (s[i]);	1278	}
1228		1279
1229	free (s);	1280	foundpet:
		1281
1230	XFree (xim_styles);	1282	XFree (xim_styles);
1231		1283
1232	if (!found)	1284	if (!found)
1233	{	1285	{
1234	display->put_xim (input_method);	1286	im_destroy ();
1235	return false;	1287	return false;
1236	}	1288	}
1237		1289
1238	preedit_attr = status_attr = NULL;	1290	XFontSet fs = 0;
		1291	XVaNestedList preedit_attr = 0, status_attr = 0;
		1292
		1293	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1294	{
		1295	// fake us a font-set, please
		1296	char **missing_charset_list;
		1297	int missing_charset_count;
		1298	char *def_string;
		1299	char pat[512];
		1300
		1301	sprintf (pat,
		1302	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1303	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1304	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1305	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1306	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1307	"*",
		1308	fheight,
		1309	fheight + 1, fheight - 1,
		1310	fheight - 2, fheight + 2);
		1311
		1312	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1313	&missing_charset_list, &missing_charset_count, &def_string);
		1314
		1315	if (missing_charset_list)
		1316	XFreeStringList (missing_charset_list);
		1317
		1318	if (!fs)
		1319	{
		1320	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1321	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1322	}
		1323	}
1239		1324
1240	if (input_style & XIMPreeditPosition)	1325	if (input_style & XIMPreeditPosition)
1241	{	1326	{
1242	im_set_size (&rect);	1327	im_set_size (rect);
1243	im_set_position (&spot);	1328	im_set_position (spot);
1244	im_set_color (&fg, &bg);	1329	im_set_color (fg, bg);
1245		1330
1246	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1331	preedit_attr = XVaCreateNestedList (0,
		1332	XNForeground, fg,
		1333	XNBackground, bg,
		1334	XNArea, &rect,
1247	XNSpotLocation, &spot,	1335	XNSpotLocation, &spot,
1248	XNForeground, fg, XNBackground, bg,
1249	//XNFontSet, TermWin.fontset,	1336	XNFontSet, fs,
1250	NULL);	1337	NULL);
1251	}	1338	}
1252	else if (input_style & XIMPreeditArea)	1339	else if (input_style & XIMPreeditArea)
1253	{	1340	{
1254	im_set_color (&fg, &bg);	1341	im_set_color (fg, bg);
1255		1342
1256	/*	1343	/*
1257	* The necessary width of preedit area is unknown	1344	* The necessary width of preedit area is unknown
1258	* until create input context.	1345	* until create input context.
1259	*/	1346	*/
1260	needed_rect.width = 0;	1347	needed_rect.width = 0;
1261
1262	im_set_preedit_area (&rect, &status_rect, &needed_rect);	1348	im_set_preedit_area (rect, status_rect, needed_rect);
1263		1349
1264	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1350	preedit_attr = XVaCreateNestedList (0,
		1351	XNForeground, fg,
1265	XNForeground, fg, XNBackground, bg,	1352	XNBackground, bg,
		1353	XNArea, &rect,
		1354	XNFontSet, fs,
		1355	NULL);
		1356	status_attr = XVaCreateNestedList (0,
		1357	XNForeground, fg,
		1358	XNBackground, bg,
		1359	XNArea, &status_rect,
1266	//XNFontSet, TermWin.fontset,	1360	XNFontSet, fs,
1267	NULL);	1361	NULL);
1268	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,	1362	}
1269	XNForeground, fg, XNBackground, bg,	1363	#if ENABLE_XIM_ONTHESPOT
1270	//XNFontSet, TermWin.fontset,	1364	else if (input_style & XIMPreeditCallbacks)
		1365	{
		1366	im_set_position (spot);
		1367
		1368	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1369	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1370	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1371	# if 0
		1372	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1373	# endif
		1374
		1375	preedit_attr = XVaCreateNestedList (0,
		1376	XNSpotLocation, &spot,
		1377	XNPreeditStartCallback, &xcb[0],
		1378	XNPreeditDoneCallback , &xcb[1],
		1379	XNPreeditDrawCallback , &xcb[2],
		1380	# if 0
		1381	XNPreeditCaretCallback, &xcb[3],
		1382	# endif
1271	NULL);	1383	NULL);
1272	}	1384	}
		1385	#endif
1273		1386
1274	Input_Context = XCreateIC(xim, XNInputStyle, input_style,	1387	Input_Context = XCreateIC (xim,
		1388	XNInputStyle, input_style,
1275	XNClientWindow, TermWin.parent[0],	1389	XNClientWindow, vt,
1276	XNFocusWindow, TermWin.parent[0],	1390	XNFocusWindow, parent[0],
1277	preedit_attr ? XNPreeditAttributes : NULL,	1391	preedit_attr ? XNPreeditAttributes : NULL,
1278	preedit_attr,	1392	preedit_attr,
1279	status_attr ? XNStatusAttributes : NULL,	1393	status_attr ? XNStatusAttributes : NULL,
1280	status_attr, NULL);	1394	status_attr, NULL);
		1395
1281	if (preedit_attr) XFree(preedit_attr);	1396	if (preedit_attr) XFree (preedit_attr);
1282	if (status_attr) XFree(status_attr);	1397	if (status_attr) XFree (status_attr);
		1398	if (fs) XFreeFontSet (dpy, fs);
1283		1399
1284	if (Input_Context == NULL)	1400	if (Input_Context == NULL)
1285	{	1401	{
1286	rxvt_print_error("failed to create input context");	1402	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1287	display->put_xim (input_method);	1403	im_destroy ();
1288	return false;	1404	return false;
1289	}	1405	}
1290		1406
1291	if (input_style & XIMPreeditArea)	1407	#if 0
		1408	// unfortunately, only the focus window is used by XIM, hard to fix
		1409	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1410	vt_select_input ();
		1411	#endif
		1412
1292	IMSetStatusPosition ();	1413	IMSetPosition ();
1293		1414
1294	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1295	return true;	1415	return true;
1296	}	1416	}
1297		1417
1298	void	1418	void
1299	rxvt_term::im_cb ()	1419	rxvt_term::im_cb ()
1300	{	1420	{
1301	int i, found, had_im;	1421	int i;
1302	const char *p;	1422	const char *p;
1303	char **s;	1423	char **s;
1304	char buf[IMBUFSIZ];	1424	char buf[IMBUFSIZ];
1305		1425
		1426	make_current ();
		1427
1306	im_destroy ();	1428	im_destroy ();
1307		1429
1308	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));
1309	if (Input_Context)	1430	if (Input_Context)
1310	return;	1431	return;
1311		1432
1312	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1433	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1313	if (rs[Rs_imLocale])	1434	if (rs[Rs_imLocale])
1314	setlocale (LC_CTYPE, rs[Rs_imLocale]);	1435	SET_LOCALE (rs[Rs_imLocale]);
1315	#endif	1436	#endif
1316		1437
1317	p = rs[Rs_inputMethod];	1438	p = rs[Rs_inputMethod];
1318	if (p && *p)	1439	if (p && *p)
1319	{	1440	{
1320	bool found = false;	1441	bool found = false;
1321		1442
1322	s = rxvt_splitcommastring (p);	1443	s = rxvt_splitcommastring (p);
		1444
1323	for (i = 0; s[i]; i++)	1445	for (i = 0; s[i]; i++)
1324	{	1446	{
1325	if (*s[i])	1447	if (*s[i])
1326	{	1448	{
1327	STRCPY (buf, "@im=");	1449	strcpy (buf, "@im=");
1328	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1450	strncat (buf, s[i], IMBUFSIZ - 5);
1329	if (IM_get_IC (buf))	1451	if (IM_get_IC (buf))
1330	{	1452	{
1331	found = true;	1453	found = true;
1332	break;	1454	break;
1333	}	1455	}
1334	}	1456	}
1335	}	1457	}
1336	for (i = 0; s[i]; i++)	1458
1337	free(s[i]);	1459	rxvt_freecommastring (s);
1338	free(s);
1339		1460
1340	if (found)	1461	if (found)
1341	goto done;	1462	goto done;
1342	}	1463	}
1343		1464
…		…
1350	goto done;	1471	goto done;
1351		1472
1352	done:	1473	done:
1353	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1474	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1354	if (rs[Rs_imLocale])	1475	if (rs[Rs_imLocale])
1355	setlocale (LC_CTYPE, locale);	1476	SET_LOCALE (locale);
1356	#endif	1477	#endif
1357	}	1478	}
1358		1479
1359	void	1480	void
1360	rxvt_term::IMSetStatusPosition ()	1481	rxvt_term::IMSetPosition ()
1361	{	1482	{
1362	XRectangle preedit_rect, status_rect, *needed_rect;	1483	XRectangle preedit_rect, status_rect, *needed_rect;
1363	XVaNestedList preedit_attr, status_attr;	1484	XVaNestedList preedit_attr, status_attr;
1364		1485
1365	if (Input_Context == NULL	1486	if (!Input_Context
1366	|| !TermWin.focus || !(input_style & XIMPreeditArea)	1487	|| !focus
		1488	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1367	|| !IMisRunning ())	1489	|| !IMisRunning ())
1368	return;	1490	return;
1369		1491
		1492	if (input_style & XIMPreeditPosition)
		1493	{
		1494	im_set_size (preedit_rect);
		1495	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1496
		1497	XSetICValues (Input_Context,
		1498	XNPreeditAttributes, preedit_attr, NULL);
		1499	}
		1500	else
		1501	{
1370	/* Getting the necessary width of preedit area */	1502	/* Getting the necessary width of preedit area */
1371	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1503	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1372	XGetICValues(Input_Context, XNStatusAttributes, status_attr, NULL);	1504	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1373	XFree(status_attr);	1505	XFree (status_attr);
1374		1506
1375	im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);	1507	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1508	XFree (needed_rect);
1376		1509
1377	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1510	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1378	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1511	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1379		1512
1380	XSetICValues(Input_Context,	1513	XSetICValues (Input_Context,
1381	XNPreeditAttributes, preedit_attr,	1514	XNPreeditAttributes, preedit_attr,
1382	XNStatusAttributes, status_attr, NULL);	1515	XNStatusAttributes, status_attr,
		1516	NULL);
1383		1517
		1518	XFree (status_attr);
		1519	}
		1520
1384	XFree(preedit_attr);	1521	XFree (preedit_attr);
1385	XFree(status_attr);
1386	}	1522	}
1387	#endif /* USE_XIM */	1523	#endif /* USE_XIM */
1388		1524
1389	/*----------------------------------------------------------------------*/	1525	void
1390	rxvt_t rxvt_current_term;	1526	rxvt_term::get_window_origin (int &x, int &y)
		1527	{
		1528	Window cr;
		1529	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1530	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1531	}
		1532
		1533	Pixmap
		1534	rxvt_term::get_pixmap_property (int prop_id)
		1535	{
		1536	if (prop_id > 0 && prop_id < NUM_XA)
		1537	if (xa[prop_id])
		1538	{
		1539	int aformat;
		1540	unsigned long nitems, bytes_after;
		1541	Atom atype;
		1542	unsigned char *prop = NULL;
		1543	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1544	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1545	&nitems, &bytes_after, &prop);
		1546	if (result == Success && prop && atype == XA_PIXMAP)
		1547	return *(Pixmap *)prop;
		1548	}
		1549
		1550	return None;
		1551	}
		1552
		1553	#ifdef HAVE_BG_PIXMAP
		1554	# if TRACE_PIXMAPS
		1555	# undef update_background
		1556	void
		1557	rxvt_term::trace_update_background (const char *file, int line)
		1558	{
		1559	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1560	update_background ();
		1561	}
		1562	# endif
		1563
		1564	void
		1565	rxvt_term::update_background ()
		1566	{
		1567	if (update_background_ev.is_active ())
		1568	return;
		1569
		1570	bgPixmap.invalidate ();
		1571
		1572	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1573
		1574	if (to_wait <= 0.)
		1575	bgPixmap.render ();
		1576	else
		1577	update_background_ev.start (to_wait);
		1578	}
		1579
		1580	void
		1581	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1582	{
		1583	make_current ();
		1584
		1585	update_background_ev.stop ();
		1586	bgPixmap.render ();
		1587	refresh_check ();
		1588	}
		1589
		1590	#endif /* HAVE_BG_PIXMAP */
1391		1591
1392	/*----------------------- end-of-file (C source) -----------------------*/	1592	/*----------------------- end-of-file (C source) -----------------------*/

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