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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.30 by pcg, Thu Feb 12 01:53:25 2004 UTC vs.
Revision 1.308 by ayin, Tue Feb 19 13:01:32 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
		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));
126		293
127	displays.put (display);	294	cmd_pid = 0;
		295
		296	if (!option (Opt_hold))
		297	destroy ();
128	}	298	}
129		299
130	void	300	void
131	rxvt_term::destroy ()	301	rxvt_term::destroy ()
132	{	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
133	if (display)	312	if (display)
134	{	313	{
135	if (TermWin.parent[0])	314	#if USE_XIM
136	XDestroyWindow (display->display, TermWin.parent[0]);	315	im_ev.stop (display);
137		316	#endif
		317	scrollbar_ev.stop (display);
		318	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		319	rootwin_ev.stop (display);
		320	#endif
		321	incr_ev.stop ();
138	termwin_ev.stop (display);	322	termwin_ev.stop (display);
139	vt_ev.stop (display);	323	vt_ev.stop (display);
140
141	#ifdef USE_XIM
142	im_destroy ();
143	im_ev.stop (display);
144	#endif
145	#ifdef HAVE_SCROLLBARS
146	scrollbar_ev.stop (display);
147	#endif
148	#ifdef MENUBAR
149	menubar_ev.stop (display);
150	#endif
151	}	324	}
152		325
153	check_ev.stop ();	326	flush_ev.stop ();
154	pty_ev.stop ();	327	pty_ev.stop ();
155	#ifdef CURSOR_BLINK	328	#ifdef CURSOR_BLINK
156	cursor_blink_ev.stop ();	329	cursor_blink_ev.stop ();
157	#endif	330	#endif
158	#ifdef TEXT_BLINK	331	#ifdef TEXT_BLINK
159	text_blink_ev.stop ();	332	text_blink_ev.stop ();
160	#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
161	#ifdef POINTER_BLANK	340	#ifdef POINTER_BLANK
162	pointer_ev.stop ();	341	pointer_ev.stop ();
163	#endif	342	#endif
164		343
165	destroy_ev.start (0);	344	destroy_ev.start ();
166	}	345	}
167		346
168	void	347	void
169	rxvt_term::destroy_cb (time_watcher &w)	348	rxvt_term::destroy_cb (ev::idle &w, int revents)
170	{	349	{
171	SET_R (this);	350	make_current ();
172		351
173	delete this;	352	delete this;
174	}
175
176	/*----------------------------------------------------------------------*/
177	/* rxvt_init() */
178	/* LIBPROTO */
179	rxvt_t
180	rxvt_init (int argc, const char *const *argv)
181	{
182	SET_R (new rxvt_term);
183
184	if (!GET_R->init_vars () || !GET_R->init (argc, argv))
185	{
186	delete GET_R;
187	SET_R (0);
188	}
189
190	return GET_R;
191	}
192
193	static int (*old_xerror_handler)(Display *dpy, XErrorEvent *event);
194
195	void
196	rxvt_init_signals ()
197	{
198	/* install exit handler for cleanup */
199	#if 0
200	#ifdef HAVE_ATEXIT
201	atexit(rxvt_clean_exit);
202	#else
203	#endif
204	#endif
205
206	struct sigaction sa;
207
208	sigfillset (&sa.sa_mask);
209	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
210	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
211	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
212	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
213	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
214	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
215	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
216
217	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
218	/* signal (SIGURG, SIG_DFL); */
219
220	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
221	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
222	}
223
224	bool
225	rxvt_term::init (int argc, const char *const *argv)
226	{
227	/*
228	* Save and then give up any super-user privileges
229	* If we need privileges in any area then we must specifically request it.
230	* We should only need to be root in these cases:
231	* 1. write utmp entries on some systems
232	* 2. chown tty on some systems
233	*/
234	privileges (SAVE);
235	privileges (IGNORE);
236
237	init_secondary ();
238
239	const char **cmd_argv = init_resources (argc, argv);
240
241	set_locale ("");
242
243	#if (MENUBAR_MAX)
244	menubar_read (rs[Rs_menu]);
245	#endif
246	#ifdef HAVE_SCROLLBARS
247	if (Options & Opt_scrollBar)
248	scrollBar.setIdle (); /* set existence for size calculations */
249	#endif
250
251	create_windows (argc, argv);
252
253	init_xlocale ();
254
255	scr_reset (); /* initialize screen */
256	#ifdef RXVT_GRAPHICS
257	Gr_reset (); /* reset graphics */
258	#endif
259
260	#if 0
261	#ifdef DEBUG_X
262	XSynchronize(display->display, True);
263	#endif
264	#endif
265
266	#ifdef HAVE_SCROLLBARS
267	if (Options & Opt_scrollBar)
268	resize_scrollbar (); /* create and map scrollbar */
269	#endif
270	#if (MENUBAR_MAX)
271	if (menubar_visible(r))
272	XMapWindow (display->display, menuBar.win);
273	#endif
274	#ifdef TRANSPARENT
275	if (Options & Opt_transparent)
276	{
277	XSelectInput (display->display, display->root, PropertyChangeMask);
278	check_our_parents ();
279	}
280	#endif
281
282	rootwin_ev.start (display, display->root);
283
284	XMapWindow (display->display, TermWin.vt);
285	XMapWindow (display->display, TermWin.parent[0]);
286
287	init_env ();
288	init_command (cmd_argv);
289
290	pty_ev.start (cmd_fd, EVENT_READ);
291
292	check_ev.start ();
293
294	return true;
295	}
296
297	/* ------------------------------------------------------------------------- *
298	* SIGNAL HANDLING & EXIT HANDLER *
299	* ------------------------------------------------------------------------- */
300	/*
301	* Catch a SIGCHLD signal and exit if the direct child has died
302	*/
303	/* ARGSUSED */
304	/* EXTPROTO */
305	RETSIGTYPE
306	rxvt_Child_signal(int sig __attribute__ ((unused)))
307	{
308	int pid, save_errno = errno;
309	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
310	;
311	errno = save_errno;
312
313	#if 0
314	if (pid == cmd_pid)
315	exit (EXIT_SUCCESS);
316	#endif
317	}
318
319	/*
320	* Catch a fatal signal and tidy up before quitting
321	*/
322	/* EXTPROTO */
323	RETSIGTYPE
324	rxvt_Exit_signal(int sig)
325	{
326	signal (sig, SIG_DFL);
327	#ifdef DEBUG_CMD
328	rxvt_print_error ("signal %d", sig);
329	#endif
330	rxvt_clean_exit();
331	kill (getpid (), sig);
332	}
333
334	/* INTPROTO */
335	int
336	rxvt_xerror_handler (Display *display, XErrorEvent *event)
337	{
338	if (GET_R->allowedxerror == -1)
339	GET_R->allowedxerror = event->error_code;
340	else
341	{
342	old_xerror_handler (display, event);
343	GET_R->destroy ();
344	}
345
346	return 0;
347	}	353	}
348		354
349	/*----------------------------------------------------------------------*/	355	/*----------------------------------------------------------------------*/
350	/*	356	/*
351	* Exit gracefully, clearing the utmp entry and restoring tty attributes	357	* Exit gracefully, clearing the utmp entry and restoring tty attributes
352	* 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
353	*/	359	*/
354	/* EXTPROTO */	360	static XErrorHandler old_xerror_handler;
355	void
356	rxvt_clean_exit ()
357	{
358	// TODO: rxvtd should clean up all ressources
359	if (GET_R)
360	GET_R->destroy ();
361	}
362		361
363	/* ------------------------------------------------------------------------- *	362	static void
364	* MEMORY ALLOCATION WRAPPERS *	363	rxvt_emergency_cleanup ()
365	* ------------------------------------------------------------------------- */
366	/* EXTPROTO */
367	void *
368	rxvt_malloc(size_t size)
369	{	364	{
370	void *p;	365	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
371		366	(*t)->emergency_cleanup ();
372	p = malloc(size);
373	if (p)
374	return p;
375
376	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
377	rxvt_clean_exit();
378	exit(EXIT_FAILURE);
379	/* NOTREACHED */
380	}	367	}
381		368
382	/* EXTPROTO */	369	#if !ENABLE_MINIMAL
383	void *	370	static void
384	rxvt_calloc(size_t number, size_t size)	371	print_x_error (Display *dpy, XErrorEvent *event)
385	{	372	{
386	void *p;	373	char buffer[BUFSIZ];
387		374	char mesg[BUFSIZ];
388	p = calloc(number, size);	375	char number[32];
389	if (p)	376	char *mtype = "XlibMessage";
390	return p;	377	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
391		378	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
392	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	379	rxvt_warn ("An X Error occured, trying to continue after report.\n");
393	rxvt_clean_exit();	380	rxvt_warn ("%s: %s\n", mesg, buffer);
394	exit(EXIT_FAILURE);	381	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
395	/* 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);
396	}	415	}
		416	#endif
397		417
398	/* EXTPROTO */	418	int
399	void *	419	rxvt_xerror_handler (Display *display, XErrorEvent *event)
400	rxvt_realloc(void *ptr, size_t size)
401	{	420	{
402	void *p;	421	if (GET_R->allowedxerror == -1)
403		422	GET_R->allowedxerror = event->error_code;
404	if (ptr)
405	p = realloc(ptr, size);
406	else	423	else
407	p = malloc(size);	424	{
408	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
409	return p;	434	return 0;
		435	}
410		436
411	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");	437	int
412	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 ();
413	exit(EXIT_FAILURE);	443	_exit (EXIT_FAILURE);
414	/* NOTREACHED */
415	}	444	}
416		445
417	/* ------------------------------------------------------------------------- *	446	static struct sig_handlers
418	* PRIVILEGED OPERATIONS *
419	* ------------------------------------------------------------------------- */
420	/* take care of suid/sgid super-user (root) privileges */
421	void
422	rxvt_term::privileges (int mode)
423	{	447	{
424	#if ! defined(__CYGWIN32__)	448	ev::sig sw_term, sw_int;
425	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	449
426	/* setreuid() is the poor man's setuid(), seteuid() */	450	/*
427	# define seteuid(a) setreuid(-1, (a))	451	* Catch a fatal signal and tidy up before quitting
428	# define setegid(a) setregid(-1, (a))	452	*/
429	# define HAVE_SETEUID	453	void sig_term (ev::sig &w, int revents);
430	# endif	454
431	# ifdef HAVE_SETEUID	455	sig_handlers ()
432	switch (mode)
433	{	456	{
434	case IGNORE:	457	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
435	/*	458	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
436	* change effective uid/gid - not real uid/gid - so we can switch
437	* back to root later, as required
438	*/
439	seteuid(getuid());
440	setegid(getgid());
441	break;
442	case SAVE:
443	euid = geteuid();
444	egid = getegid();
445	break;
446	case RESTORE:
447	seteuid(euid);
448	setegid(egid);
449	break;
450	}	459	}
451	# else	460	} sig_handlers;
452	switch (mode)
453	{
454	case IGNORE:
455	setuid(getuid());
456	setgid(getgid());
457	/* FALLTHROUGH */
458	case SAVE:
459	/* FALLTHROUGH */
460	case RESTORE:
461	break;
462	}
463	# endif
464	#endif
465	}
466		461
467	#ifdef UTMP_SUPPORT
468	void	462	void
469	rxvt_term::privileged_utmp (char action)	463	sig_handlers::sig_term (ev::sig &w, int revents)
470	{	464	{
471	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",	465	rxvt_emergency_cleanup ();
472	action, next_utmp_action, getpid()));	466	w.stop ();
473	if (next_utmp_action != action || (action != SAVE && action != RESTORE)	467	kill (getpid (), w.signum);
474	|| (Options & Opt_utmpInhibit)
475	|| ttydev == NULL || *ttydev == '\0')
476	return;
477
478	privileges (RESTORE);
479	if (action == SAVE)
480	{
481	next_utmp_action = RESTORE;
482	makeutent (ttydev, rs[Rs_display_name]);
483	}
484	else
485	{ /* action == RESTORE */
486	next_utmp_action = IGNORE;
487	cleanutent ();
488	}
489	privileges (IGNORE);
490	}	468	}
491	#endif
492		469
493	#ifndef NO_SETOWNER_TTYDEV	470	char **rxvt_environ; // startup environment
494	void
495	rxvt_term::privileged_ttydev (char action)
496	{
497	D_MAIN((stderr,
498	"privileged_ttydev (%c); waiting for: %c (pid: %d)",
499	action, next_tty_action, getpid()));
500	if (next_tty_action != action || (action != SAVE && action != RESTORE)
501	|| ttydev == NULL || *ttydev == '\0')
502	return;
503		471
504	privileges (RESTORE);	472	void
		473	rxvt_init ()
		474	{
		475	ptytty::init ();
505		476
506	if (action == SAVE)	477	if (!ev_default_loop (0))
507	{	478	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
508	next_tty_action = RESTORE;
509	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
510	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
511	if (lstat(ttydev, &ttyfd_stat) < 0) /* you lose out */
512	next_tty_action = IGNORE;
513	else
514	# endif
515		479
516	{	480	rxvt_environ = environ;
517	chown(ttydev, getuid(), ttygid); /* fail silently */
518	chmod(ttydev, ttymode);
519	# ifdef HAVE_REVOKE
520	revoke(ttydev);
521	# endif
522		481
523	}	482	signal (SIGHUP, SIG_IGN);
524	}	483	signal (SIGPIPE, SIG_IGN);
525	else
526	{ /* action == RESTORE */
527	next_tty_action = IGNORE;
528	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
529	chmod(ttydev, ttyfd_stat.st_mode);
530	chown(ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
531	# else
532	chmod(ttydev,
533	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
534	chown(ttydev, 0, 0);
535	# endif
536		484
537	}	485	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		486	sig_handlers.sw_int.start (SIGINT); ev_unref ();
538		487
539	privileges (IGNORE);	488	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		489	/* signal (SIGURG, SIG_DFL); */
540		490
541	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	491	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
542	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",	492	// TODO: handle this with exceptions and tolerate the memory loss
543	action == RESTORE ? "Restoring" : (action ==	493	XSetIOErrorHandler (rxvt_xioerror_handler);
544	SAVE ? "Saving" :	494
545	"UNKNOWN ERROR for"), ttydev,	495	XrmInitialize ();
546	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
547	ttyfd_stat.st_gid));
548	# endif
549	}	496	}
550	#endif
551		497
552	/*----------------------------------------------------------------------*/	498	/*----------------------------------------------------------------------*/
553	/*	499	/*
554	* window size/position calculcations for XSizeHint and other storage.	500	* window size/position calculations for XSizeHint and other storage.
555	* if width/height are non-zero then override calculated width/height	501	* if width/height are non-zero then override calculated width/height
556	*/	502	*/
557	void	503	void
558	rxvt_term::window_calc (unsigned int width, unsigned int height)	504	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
559	{	505	{
560	short recalc_x, recalc_y;	506	short recalc_x, recalc_y;
561	int x, y, sb_w, mb_h, flags;	507	int x, y, flags;
562	unsigned int w, h;	508	unsigned int w, h;
563	unsigned int max_width, max_height;	509	unsigned int max_width, max_height;
564		510
565	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
566	TermWin.ncol, TermWin.nrow, szHint.width,
567	szHint.height));
568	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	511	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
569	szHint.win_gravity = NorthWestGravity;	512	szHint.win_gravity = NorthWestGravity;
570	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	513	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
571		514
572	recalc_x = recalc_y = 0;	515	recalc_x = recalc_y = 0;
573	flags = 0;	516	flags = 0;
		517
574	if (!parsed_geometry)	518	if (!parsed_geometry)
575	{	519	{
576	parsed_geometry = 1;	520	parsed_geometry = 1;
		521
577	if (rs[Rs_geometry])	522	if (rs[Rs_geometry])
578	flags = XParseGeometry(rs[Rs_geometry], &x, &y, &w, &h);	523	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		524
579	if (flags & WidthValue)	525	if (flags & WidthValue)
580	{	526	{
581	TermWin.ncol = BOUND_POSITIVE_INT16(w);	527	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
582	szHint.flags |= USSize;	528	szHint.flags |= USSize;
583	}	529	}
		530
584	if (flags & HeightValue)	531	if (flags & HeightValue)
585	{	532	{
586	TermWin.nrow = BOUND_POSITIVE_INT16(h);	533	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
587	szHint.flags |= USSize;	534	szHint.flags |= USSize;
588	}	535	}
		536
589	if (flags & XValue)	537	if (flags & XValue)
590	{	538	{
591	szHint.x = x;	539	szHint.x = x;
592	szHint.flags |= USPosition;	540	szHint.flags |= USPosition;
		541
593	if (flags & XNegative)	542	if (flags & XNegative)
594	{	543	{
595	recalc_x = 1;	544	recalc_x = 1;
596	szHint.win_gravity = NorthEastGravity;	545	szHint.win_gravity = NorthEastGravity;
597	}	546	}
598	}	547	}
		548
599	if (flags & YValue)	549	if (flags & YValue)
600	{	550	{
601	szHint.y = y;	551	szHint.y = y;
602	szHint.flags |= USPosition;	552	szHint.flags |= USPosition;
		553
603	if (flags & YNegative)	554	if (flags & YNegative)
604	{	555	{
605	recalc_y = 1;	556	recalc_y = 1;
		557
606	if (szHint.win_gravity == NorthEastGravity)	558	if (szHint.win_gravity == NorthEastGravity)
607	szHint.win_gravity = SouthEastGravity;	559	szHint.win_gravity = SouthEastGravity;
608	else	560	else
609	szHint.win_gravity = SouthWestGravity;	561	szHint.win_gravity = SouthWestGravity;
610	}	562	}
611	}	563	}
612	}	564	}
		565
613	/* TODO: BOUNDS */	566	/* TODO: BOUNDS */
614	TermWin.width = TermWin.ncol * TermWin.fwidth;	567	width = ncol * fwidth;
615	TermWin.height = TermWin.nrow * TermWin.fheight;	568	height = nrow * fheight;
616	max_width = MAX_COLS * TermWin.fwidth;	569	max_width = MAX_COLS * fwidth;
617	max_height = MAX_ROWS * TermWin.fheight;	570	max_height = MAX_ROWS * fheight;
618		571
619	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	572	szHint.base_width = szHint.base_height = 2 * int_bwidth;
620		573
621	sb_w = mb_h = 0;
622	window_vt_x = window_vt_y = 0;	574	window_vt_x = window_vt_y = int_bwidth;
623	if (scrollbar_visible ())	575
		576	if (scrollBar.state)
624	{	577	{
625	sb_w = scrollbar_TotalWidth();	578	int sb_w = scrollBar.total_width ();
626	szHint.base_width += sb_w;	579	szHint.base_width += sb_w;
		580
627	if (!(Options & Opt_scrollBar_right))	581	if (!option (Opt_scrollBar_right))
628	window_vt_x = sb_w;	582	window_vt_x += sb_w;
629	}
630	if (menubar_visible ())
631	{	583	}
632	mb_h = menuBar_TotalHeight();	584
633	szHint.base_height += mb_h;
634	window_vt_y = mb_h;
635	}
636	szHint.width_inc = TermWin.fwidth;	585	szHint.width_inc = fwidth;
637	szHint.height_inc = TermWin.fheight;	586	szHint.height_inc = fheight;
638	szHint.min_width = szHint.base_width + szHint.width_inc;	587	szHint.min_width = szHint.base_width + szHint.width_inc;
639	szHint.min_height = szHint.base_height + szHint.height_inc;	588	szHint.min_height = szHint.base_height + szHint.height_inc;
640		589
641	if (width && width - szHint.base_width < max_width)	590	if (newwidth && newwidth - szHint.base_width < max_width)
642	{	591	{
643	szHint.width = width;	592	szHint.width = newwidth;
644	TermWin.width = width - szHint.base_width;	593	width = newwidth - szHint.base_width;
645	}	594	}
646	else	595	else
647	{	596	{
648	MIN_IT(TermWin.width, max_width);	597	min_it (width, max_width);
649	szHint.width = szHint.base_width + TermWin.width;	598	szHint.width = szHint.base_width + width;
650	}	599	}
		600
651	if (height && height - szHint.base_height < max_height)	601	if (newheight && newheight - szHint.base_height < max_height)
652	{	602	{
653	szHint.height = height;	603	szHint.height = newheight;
654	TermWin.height = height - szHint.base_height;	604	height = newheight - szHint.base_height;
655	}	605	}
656	else	606	else
657	{	607	{
658	MIN_IT(TermWin.height, max_height);	608	min_it (height, max_height);
659	szHint.height = szHint.base_height + TermWin.height;	609	szHint.height = szHint.base_height + height;
660	}	610	}
661	if (scrollbar_visible () && (Options & Opt_scrollBar_right))
662	window_sb_x = szHint.width - sb_w;
663		611
664	if (recalc_x)	612	if (recalc_x)
665	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	613	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
666	- szHint.width - 2 * TermWin.ext_bwidth);	614
667	if (recalc_y)	615	if (recalc_y)
668	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	616	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
669	- szHint.height - 2 * TermWin.ext_bwidth);
670		617
671	TermWin.ncol = TermWin.width / TermWin.fwidth;	618	ncol = width / fwidth;
672	TermWin.nrow = TermWin.height / TermWin.fheight;	619	nrow = height / fheight;
673	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
674	TermWin.ncol, TermWin.nrow, szHint.width,
675	szHint.height));
676	return;
677	}	620	}
678		621
679	/*----------------------------------------------------------------------*/	622	/*----------------------------------------------------------------------*/
680	/*	623	/*
681	* Tell the teletype handler what size the window is.	624	* Tell the teletype handler what size the window is.
682	* Called after a window size change.	625	* Called after a window size change.
683	*/	626	*/
684	void	627	void
685	rxvt_term::tt_winch ()	628	rxvt_term::tt_winch ()
686	{	629	{
		630	if (pty->pty < 0)
		631	return;
		632
687	struct winsize ws;	633	struct winsize ws;
688		634
689	if (cmd_fd < 0)
690	return;
691
692	ws.ws_col = TermWin.ncol;	635	ws.ws_col = ncol;
693	ws.ws_row = TermWin.nrow;	636	ws.ws_row = nrow;
694	ws.ws_xpixel = ws.ws_ypixel = 0;	637	ws.ws_xpixel = width;
695	#ifndef DEBUG_SIZE	638	ws.ws_ypixel = height;
696	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	639	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
697	#else	640
698	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	641	#if 0
699	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	642	// TIOCSWINSZ is supposed to do this automatically and correctly
700	# ifdef SIGWINCH
701	else if (cmd_pid) /* force through to the command */	643	if (cmd_pid) /* force through to the command */
702	kill (cmd_pid, SIGWINCH);	644	kill (-cmd_pid, SIGWINCH);
703	# endif
704	#endif	645	#endif
705	}	646	}
706		647
707	/*----------------------------------------------------------------------*/	648	/*----------------------------------------------------------------------*/
708	/* rxvt_change_font() - Switch to a new font */	649	/* set_fonts () - load and set the various fonts
709	/*	650	*
710	* init = 1 - initialize	651	* init = 1 - initialize
711	*	652	*
712	* fontname == FONT_UP - switch to bigger font	653	* fontname == FONT_UP - switch to bigger font
713	* fontname == FONT_DN - switch to smaller font	654	* fontname == FONT_DN - switch to smaller font
714	*/	655	*/
715	void	656	bool
716	rxvt_term::change_font (int init, const char *fontname)	657	rxvt_term::set_fonts ()
717	{}	658	{
		659	rxvt_fontset *fs = new rxvt_fontset (this);
		660	rxvt_fontprop prop;
718		661
		662	if (!fs
		663	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		664	|| !fs->realize_font (1))
		665	{
		666	delete fs;
		667	return false;
		668	}
		669
		670	#if ENABLE_STYLES
		671	for (int i = RS_styleCount; --i; )
		672	if (fontset[i] != fontset[0])
		673	delete fontset[i];
		674	#endif
		675
		676	delete fontset[0];
		677	fontset[0] = fs;
		678
		679	prop = (*fs)[1]->properties ();
		680	prop.height += lineSpace;
		681
		682	fs->set_prop (prop, false);
		683
		684	fwidth = prop.width;
		685	fheight = prop.height;
		686	fbase = prop.ascent;
		687
		688	for (int style = 1; style < 4; style++)
		689	{
		690	#if ENABLE_STYLES
		691	const char *res = rs[Rs_font + style];
		692
		693	if (res && !*res)
		694	fontset[style] = fontset[0];
		695	else
		696	{
		697	fontset[style] = fs = new rxvt_fontset (this);
		698	rxvt_fontprop prop2 = prop;
		699
		700	if (res)
		701	{
		702	fs->populate (res);
		703	fs->set_prop (prop2, false);
		704	}
		705	else
		706	{
		707	fs->populate (fontset[0]->fontdesc);
		708
		709	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		710	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		711
		712	fs->set_prop (prop2, true);
		713	}
		714
		715	}
		716	#else
		717	fontset[style] = fontset[0];
		718	#endif
		719	}
		720
		721	if (parent[0])
		722	{
		723	resize_all_windows (0, 0, 0);
		724	scr_remap_chars ();
		725	scr_touch (true);
		726	}
		727
		728	return true;
		729	}
		730
719	void	731	void
720	rxvt_term::font_up_down (int n, int direction)	732	rxvt_term::set_string_property (Atom prop, const char *str, int len)
721	{}	733	{
		734	XChangeProperty (dpy, parent[0],
		735	prop, XA_STRING, 8, PropModeReplace,
		736	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		737	}
		738
		739	void
		740	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		741	{
		742	wchar_t *ws = rxvt_mbstowcs (str, len);
		743	char *s = rxvt_wcstoutf8 (ws);
		744
		745	XChangeProperty (dpy, parent[0],
		746	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		747	(const unsigned char *)s, strlen (s));
		748
		749	free (s);
		750	free (ws);
		751	}
722		752
723	/*----------------------------------------------------------------------*/	753	/*----------------------------------------------------------------------*/
724	/*----------------------------------------------------------------------*/	754	/*----------------------------------------------------------------------*/
725	/* xterm sequences - title, iconName, color (exptl) */	755	/* xterm sequences - title, iconName, color (exptl) */
726	void	756	void
727	rxvt_term::set_title (const char *str)	757	rxvt_term::set_title (const char *str)
728	{	758	{
729	#ifndef SMART_WINDOW_TITLE	759	set_string_property (XA_WM_NAME, str);
730	XStoreName(display->display, TermWin.parent[0], str);	760	#if ENABLE_EWMH
731	#else	761	set_utf8_property (xa[XA_NET_WM_NAME], str);
732	char *name;
733
734	if (XFetchName(display->display, TermWin.parent[0], &name) == 0)
735	name = NULL;
736	if (name == NULL || STRCMP(name, str))
737	XStoreName(display->display, TermWin.parent[0], str);
738	if (name)
739	XFree(name);
740	#endif	762	#endif
741	}	763	}
742		764
743	void	765	void
744	rxvt_term::set_iconName (const char *str)	766	rxvt_term::set_icon_name (const char *str)
745	{	767	{
746	#ifndef SMART_WINDOW_TITLE	768	set_string_property (XA_WM_ICON_NAME, str);
747	XSetIconName(display->display, TermWin.parent[0], str);	769	#if ENABLE_EWMH
748	#else	770	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
749	char *name;
750
751	if (XGetIconName(display->display, TermWin.parent[0], &name))
752	name = NULL;
753	if (name == NULL || STRCMP(name, str))
754	XSetIconName(display->display, TermWin.parent[0], str);
755	if (name)
756	XFree(name);
757	#endif	771	#endif
758	}	772	}
759		773
		774	void
		775	rxvt_term::set_window_color (int idx, const char *color)
		776	{
760	#ifdef XTERM_COLOR_CHANGE	777	#ifdef XTERM_COLOR_CHANGE
761	void
762	rxvt_term::set_window_color (int idx, const char *color)
763	{
764	rxvt_color xcol;	778	rxvt_color xcol;
765	int i;
766		779
767	if (color == NULL || *color == '\0')	780	if (color == NULL || *color == '\0')
768	return;	781	return;
769		782
		783	color = strdup (color);
		784	allocated.push_back ((void *)color);
		785	rs[Rs_color + idx] = color;
		786
770	/* handle color aliases */	787	/* handle color aliases */
771	if (isdigit(*color))	788	if (isdigit (*color))
772	{	789	{
773	i = atoi(color);	790	int i = atoi (color);
		791
774	if (i >= 8 && i <= 15)	792	if (i >= 8 && i <= 15)
		793	{
775	{ /* bright colors */	794	/* bright colors */
776	i -= 8;
777	# ifndef NO_BRIGHTCOLOR
778	PixColors[idx] = PixColors[minBrightCOLOR + i];	795	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
779	SET_PIXCOLOR(idx);
780	goto Done;	796	goto done;
781	# endif
782
783	}	797	}
		798
784	if (i >= 0 && i <= 7)	799	if (i >= 0 && i <= 7)
		800	{
785	{ /* normal colors */	801	/* normal colors */
786	PixColors[idx] = PixColors[minCOLOR + i];	802	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
787	SET_PIXCOLOR(idx);
788	goto Done;	803	goto done;
789	}	804	}
790	}	805	}
791	if (!rXParseAllocColor (& xcol, color))	806
792	return;	807	set_color (xcol, color);
793	/* XStoreColor (display->display, XCMAP, XColor*); */
794		808
795	/*	809	/*
796	* FIXME: should free colors here, but no idea how to do it so instead,	810	* FIXME: should free colors here, but no idea how to do it so instead,
797	* so just keep gobbling up the colormap	811	* so just keep gobbling up the colormap
798	*/	812	*/
799	# if 0
800	for (i = Color_Black; i <= Color_White; i++)
801	if (PixColors[idx] == PixColors[i])
802	break;
803	if (i > Color_White)
804	{
805	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
806	XFreeColors(display->display, XCMAP, (PixColors + idx), 1,
807	DisplayPlanes(display->display, display->screen));
808	}
809	# endif
810		813
811	PixColors[idx] = xcol;	814	pix_colors_focused[idx] = xcol;
812	SET_PIXCOLOR(idx);
813		815
814	/* XSetWindowAttributes attr; */
815	/* Cursor cursor; */
816	Done:	816	done:
817	if (idx == Color_bg && !(Options & Opt_transparent))
818	XSetWindowBackground(display->display, TermWin.vt,
819	PixColors[Color_bg]);
820
821	/* handle Color_BD, scrollbar background, etc. */	817	/*TODO: handle Color_BD, scrollbar background, etc. */
822		818
823	set_colorfgbg ();	819	update_fade_color (idx);
824	recolour_cursor ();	820	recolour_cursor ();
825	/* the only reasonable way to enforce a clean update */	821	scr_recolour ();
826	scr_poweron ();	822	#endif /* XTERM_COLOR_CHANGE */
827	}	823	}
828
829	#else
830	# define set_window_color (idx,color) ((void)0)
831	#endif /* XTERM_COLOR_CHANGE */
832		824
833	void	825	void
834	rxvt_term::recolour_cursor ()	826	rxvt_term::recolour_cursor ()
835	{	827	{
836	#if TODO	828	XColor fg, bg;
837	rxvt_color xcol[2];
838		829
839	xcol[0] = PixColors[Color_pointer];	830	(ISSET_PIXCOLOR (Color_pointer_fg)
840	xcol[1] = PixColors[Color_bg];	831	? pix_colors_focused[Color_pointer_fg]
841	XQueryColors (display->display, XCMAP, xcol, 2);	832	: pix_colors_focused[Color_fg]).get (fg);
842	XRecolorCursor (display->display, TermWin_cursor, &(xcol[0]), &(xcol[1]));	833
843	#endif	834	(ISSET_PIXCOLOR (Color_pointer_bg)
		835	? pix_colors_focused[Color_pointer_bg]
		836	: pix_colors_focused[Color_bg]).get (bg);
		837
		838	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
844	}	839	}
845		840
846	/*----------------------------------------------------------------------*/	841	/*----------------------------------------------------------------------*/
847	/*	842	/*
848	* find if fg/bg matches any of the normal (low-intensity) colors	843	* find if fg/bg matches any of the normal (low-intensity) colors
849	*/	844	*/
850	void	845	void
851	rxvt_term::set_colorfgbg ()	846	rxvt_term::set_colorfgbg ()
852	{	847	{
853	unsigned int i;	848	unsigned int i;
854	const char *xpmb = "\0";	849	const char *xpmb = "";
855	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	850	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
856		851
857	env_colorfgbg =
858	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);
859	STRCPY(fstr, "default");	852	strcpy (fstr, "default");
860	STRCPY(bstr, "default");	853	strcpy (bstr, "default");
861	for (i = Color_Black; i <= Color_White; i++)	854	for (i = Color_Black; i <= Color_White; i++)
862	if (PixColors[Color_fg] == PixColors[i])	855	if (pix_colors[Color_fg] == pix_colors[i])
863	{	856	{
864	sprintf(fstr, "%d", (i - Color_Black));	857	sprintf (fstr, "%d", (i - Color_Black));
865	break;	858	break;
866	}	859	}
		860
867	for (i = Color_Black; i <= Color_White; i++)	861	for (i = Color_Black; i <= Color_White; i++)
868	if (PixColors[Color_bg] == PixColors[i])	862	if (pix_colors[Color_bg] == pix_colors[i])
869	{	863	{
870	sprintf(bstr, "%d", (i - Color_Black));	864	sprintf (bstr, "%d", (i - Color_Black));
871	#ifdef XPM_BACKGROUND	865	#ifdef BG_IMAGE_FROM_FILE
872	xpmb = "default;";	866	xpmb = "default;";
873	#endif	867	#endif
874	break;	868	break;
875	}	869	}
		870
876	sprintf(env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	871	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
877	putenv(env_colorfgbg);
878
879	#ifndef NO_BRIGHTCOLOR
880	colorfgbg = DEFAULT_RSTYLE;
881	for (i = minCOLOR; i <= maxCOLOR; i++)
882	{
883	if (PixColors[Color_fg] == PixColors[i])
884	colorfgbg = SET_FGCOLOR(colorfgbg, i);
885	if (PixColors[Color_bg] == PixColors[i])
886	colorfgbg = SET_BGCOLOR(colorfgbg, i);
887	}
888	#endif
889	}	872	}
890		873
891	/*----------------------------------------------------------------------*/	874	/*----------------------------------------------------------------------*/
892	/*
893	* Colour determination for low colour displays, routine from
894	* Hans de Goede <hans@highrise.nl>
895	*/
896		875
897	int	876	bool
898	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	877	rxvt_term::set_color (rxvt_color &color, const char *name)
899	{	878	{
900	if (!screen_in_out->set (display, colour))	879	if (color.set (this, name))
901	{
902	rxvt_print_error("can't allocate colour: %s", colour);
903	return false;
904	}
905
906	return true;	880	return true;
		881
		882	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		883	return false;
		884	}
		885
		886	void
		887	rxvt_term::alias_color (int dst, int src)
		888	{
		889	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
907	}	890	}
908		891
909	/* -------------------------------------------------------------------- *	892	/* -------------------------------------------------------------------- *
910	* - WINDOW RESIZING - *	893	* - WINDOW RESIZING - *
911	* -------------------------------------------------------------------- */	894	* -------------------------------------------------------------------- */
912	void	895	void
913	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	896	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
914	{	897	{
915	int fix_screen;	898	int fix_screen;
		899	int old_width = szHint.width;
		900	int old_height = szHint.height;
916		901
917	#ifdef SMART_RESIZE
918	int old_width = szHint.width, old_height = szHint.height;
919	#endif
920
921	window_calc (width, height);	902	window_calc (newwidth, newheight);
		903
		904	if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
922	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	905	XSetWMNormalHints (dpy, parent[0], &szHint);
		906
923	if (!ignoreparent)	907	if (!ignoreparent)
924	{	908	{
925	#ifdef SMART_RESIZE	909	#ifdef SMART_RESIZE
926	/*	910	/*
927	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	911	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
930	int x, y, x1, y1;	914	int x, y, x1, y1;
931	int dx, dy;	915	int dx, dy;
932	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	916	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
933	Window unused_cr;	917	Window unused_cr;
934		918
935	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	919	XTranslateCoordinates (dpy, parent[0], display->root,
936	0, 0, &x, &y, &unused_cr);	920	0, 0, &x, &y, &unused_cr);
937	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	921	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
938	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	922	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
939	/*	923	/*
940	* if display->root isn't the parent window, a WM will probably have offset	924	* if display->root isn't the parent window, a WM will probably have offset
941	* our position for handles and decorations. Counter it	925	* our position for handles and decorations. Counter it
942	*/	926	*/
…		…
944	{	928	{
945	x -= x1;	929	x -= x1;
946	y -= y1;	930	y -= y1;
947	}	931	}
948		932
949	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	933	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
950	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	934	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
951	dx = old_width - szHint.width;	935	dx = old_width - szHint.width;
952	dy = old_height - szHint.height;	936	dy = old_height - szHint.height;
953		937
954	/* Check position of the center of the window */	938	/* Check position of the center of the window */
955	if (x < x1) /* left half */	939	if (x < x1) /* left half */
956	dx = 0;	940	dx = 0;
…		…
959	if (y < y1) /* top half */	943	if (y < y1) /* top half */
960	dy = 0;	944	dy = 0;
961	else if (y == y1) /* exact center */	945	else if (y == y1) /* exact center */
962	dy /= 2;	946	dy /= 2;
963		947
964	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	948	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
965	szHint.width, szHint.height);	949	szHint.width, szHint.height);
966	#else	950	#else
967	XResizeWindow (display->display, TermWin.parent[0], szHint.width,	951	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
968	szHint.height);
969	#endif	952	#endif
970
971	}	953	}
972		954
973	fix_screen = (TermWin.ncol != prev_ncol	955	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
974	|| TermWin.nrow != prev_nrow);
975		956
976	if (fix_screen || width != old_width || height != old_height)	957	if (fix_screen || newwidth != old_width || newheight != old_height)
977	{	958	{
978	if (scrollbar_visible ())	959	if (scrollBar.state)
979	{	960	scrollBar.resize ();
980	XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,
981	0, scrollbar_TotalWidth (), szHint.height);
982	resize_scrollbar ();
983	}
984		961
985	if (menubar_visible ())	962	XMoveResizeWindow (dpy, vt,
986	XMoveResizeWindow (display->display, menuBar.win, window_vt_x,	963	window_vt_x, window_vt_y,
987	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
988
989	XMoveResizeWindow (display->display, TermWin.vt, window_vt_x,
990	window_vt_y, TermWin_TotalWidth (),
991	TermWin_TotalHeight ());	964	width, height);
992	#ifdef RXVT_GRAPHICS	965
993	if (old_height)	966	#ifdef HAVE_BG_PIXMAP
994	Gr_Resize (old_width - szHint.base_width,	967	if (bgPixmap.window_size_sensitive ())
995	old_height - szHint.base_height);	968	update_background ();
996	#endif	969	#endif
		970
997	scr_clear ();	971	scr_clear ();
998	#ifdef XPM_BACKGROUND
999	resize_pixmap ();
1000	#endif
1001
1002	}	972	}
1003		973
1004	if (fix_screen || old_height == 0)	974	if (fix_screen || old_height == 0)
1005	{
1006	int curr_screen = -1;
1007	int old_ncol = prev_ncol;
1008
1009	/* scr_reset only works on the primary screen */
1010	if (old_height) /* this is not the first time through */
1011	{
1012	unsigned int ncol = TermWin.ncol;
1013	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1014	curr_screen = scr_change_screen (PRIMARY);
1015	TermWin.ncol = ncol;
1016	}
1017
1018	scr_reset();	975	scr_reset ();
1019		976
1020	if (curr_screen >= 0) /* this is not the first time through */	977	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
1021	{	978	//scr_touch (false);
1022	scr_change_screen (curr_screen);
1023	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
1024	}
1025	}
1026		979
1027	old_width = szHint.width;	980	#ifdef HAVE_BG_PIXMAP
1028	old_height = szHint.height;	981	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
		982	// if (bgPixmap.pixmap)
		983	// scr_touch (false);
		984	#endif
1029		985
1030	#ifdef USE_XIM	986	#ifdef USE_XIM
1031	IMSetStatusPosition ();	987	IMSetPosition ();
1032	#endif	988	#endif
1033	}	989	}
1034		990
1035	/*	991	/*
1036	* Set the width/height of the vt window in characters. Units are pixels.	992	* Set the width/height of the vt window in characters. Units are pixels.
1037	* good for toggling 80/132 columns	993	* good for toggling 80/132 columns
1038	*/	994	*/
1039	void	995	void
1040	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	996	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1041	{	997	{
1042	XWindowAttributes wattr;	998	XWindowAttributes wattr;
1043		999
1044	if (width == 0 || height == 0)	1000	if (newwidth == 0 || newheight == 0)
1045	{	1001	{
1046	XGetWindowAttributes(display->display, display->root, &wattr);	1002	XGetWindowAttributes (dpy, display->root, &wattr);
		1003
1047	if (width == 0)	1004	if (newwidth == 0)
1048	width = wattr.width - szHint.base_width;	1005	newwidth = wattr.width - szHint.base_width;
1049	if (height == 0)	1006	if (newheight == 0)
1050	height = wattr.height - szHint.base_height;	1007	newheight = wattr.height - szHint.base_height;
1051	}
1052	if (width != TermWin.width || height != TermWin.height)
1053	{	1008	}
		1009
		1010	if (newwidth != width || newheight != height)
		1011	{
1054	width += szHint.base_width;	1012	newwidth += szHint.base_width;
1055	height += szHint.base_height;	1013	newheight += szHint.base_height;
1056	resize_all_windows (width, height, 0);	1014	resize_all_windows (newwidth, newheight, 0);
1057	}	1015	}
1058	}	1016	}
1059		1017
1060	/* -------------------------------------------------------------------- *	1018	/* -------------------------------------------------------------------- *
1061	* - X INPUT METHOD ROUTINES - *	1019	* - X INPUT METHOD ROUTINES - *
1062	* -------------------------------------------------------------------- */	1020	* -------------------------------------------------------------------- */
1063	#ifdef USE_XIM	1021	#ifdef USE_XIM
1064		1022
1065	void	1023	void
		1024	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
		1025	{
		1026	fg = pix_colors [Color_fg];
		1027	bg = pix_colors [Color_bg];
		1028	}
		1029
		1030	void
1066	rxvt_term::im_set_size (XRectangle *size)	1031	rxvt_term::im_set_size (XRectangle &size)
1067	{	1032	{
1068	size->x = TermWin.int_bwidth;	1033	// the int_bwidth terms make no sense to me
1069	size->y = TermWin.int_bwidth;	1034	size.x = int_bwidth;
1070	size->width = Width2Pixel(TermWin.ncol);	1035	size.y = int_bwidth;
1071	size->height = Height2Pixel(TermWin.nrow);	1036	size.width = Width2Pixel (ncol) + int_bwidth;
		1037	size.height = Height2Pixel (nrow) + int_bwidth;
1072	}	1038	}
1073		1039
1074	void	1040	void
1075	rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)	1041	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1042	XRectangle &status_rect,
		1043	const XRectangle &needed_rect)
1076	{	1044	{
1077	*fg = PixColors[Color_fg];	1045	preedit_rect.x = needed_rect.width;
1078	*bg = PixColors[Color_bg];	1046	preedit_rect.y = 0;
		1047	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1048	preedit_rect.height = fheight;
		1049
		1050	status_rect.x = 0;
		1051	status_rect.y = 0;
		1052	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1053	status_rect.height = fheight;
1079	}	1054	}
1080		1055
1081	/* Checking whether input method is running. */	1056	/* Checking whether input method is running. */
1082	bool	1057	bool
1083	rxvt_term::IMisRunning ()	1058	rxvt_term::IMisRunning ()
1084	{	1059	{
1085	char *p;	1060	char *p;
1086	Atom atom;	1061	Atom atom;
1087	Window win;	1062	Window win;
1088	char server[IMBUFSIZ];	1063	char server[IMBUFSIZ];
1089		1064
1090	/* get current locale modifier */	1065	/* get current locale modifier */
1091	if ((p = XSetLocaleModifiers(NULL)) != NULL)	1066	if ((p = XSetLocaleModifiers (NULL)) != NULL)
1092	{	1067	{
1093	STRCPY(server, "@server=");	1068	strcpy (server, "@server=");
1094	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1069	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1070
1095	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1071	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1096	*p = '\0';	1072	*p = '\0';
1097		1073
1098	atom = XInternAtom(display->display, server, False);	1074	atom = XInternAtom (dpy, server, False);
1099	win = XGetSelectionOwner(display->display, atom);	1075	win = XGetSelectionOwner (dpy, atom);
		1076
1100	if (win != None)	1077	if (win != None)
1101	return True;	1078	return True;
1102	}	1079	}
		1080
1103	return False;	1081	return False;
1104	}	1082	}
1105		1083
1106	void	1084	void
1107	rxvt_term::IMSendSpot ()	1085	rxvt_term::IMSendSpot ()
1108	{	1086	{
1109	XPoint spot;	1087	XPoint nspot;
1110	XVaNestedList preedit_attr;	1088	XVaNestedList preedit_attr;
1111		1089
1112	if (Input_Context == NULL	1090	if (!Input_Context
1113	|| !TermWin.focus || !(input_style & XIMPreeditPosition)	1091	|| !focus
1114	|| !(event_type == KeyPress	1092	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1115	|| event_type == Expose
1116	|| event_type == NoExpose
1117	|| event_type == SelectionNotify
1118	|| event_type == ButtonRelease || event_type == FocusIn)
1119	|| !IMisRunning ())
1120	return;	1093	return;
1121		1094
1122	im_set_position (&spot);	1095	im_set_position (nspot);
1123		1096
		1097	if (nspot.x == spot.x && nspot.y == spot.y)
		1098	return;
		1099
		1100	spot = nspot;
		1101
1124	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1102	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1125	XSetICValues(Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1103	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1126	XFree(preedit_attr);	1104	XFree (preedit_attr);
1127	}
1128
1129	void
1130	rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,
1131	XRectangle * needed_rect)
1132	{
1133	int mbh, vtx = 0;
1134
1135	if (scrollbar_visible () && !(Options & Opt_scrollBar_right))
1136	vtx = scrollbar_TotalWidth();
1137
1138	mbh = menubar_visible () ? menuBar_TotalHeight() : 0;
1139	mbh -= TermWin.lineSpace;
1140
1141	preedit_rect->x = needed_rect->width + vtx;
1142	preedit_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1143
1144	preedit_rect->width = Width2Pixel(TermWin.ncol + 1) - needed_rect->width + vtx;
1145	preedit_rect->height = Height2Pixel(1);
1146
1147	status_rect->x = vtx;
1148	status_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1149
1150	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel(TermWin.ncol + 1);
1151	status_rect->height = Height2Pixel(1);
1152	}	1105	}
1153		1106
1154	void	1107	void
1155	rxvt_term::im_destroy ()	1108	rxvt_term::im_destroy ()
1156	{	1109	{
1157	if (Input_Context)
1158	{
1159	XDestroyIC (Input_Context);
1160	Input_Context = NULL;
1161	}
1162
1163	if (input_method)	1110	if (input_method)
1164	{	1111	{
		1112	if (Input_Context && input_method->xim)
		1113	XDestroyIC (Input_Context);
		1114
1165	display->put_xim (input_method);	1115	display->put_xim (input_method);
1166	input_method = 0;	1116	input_method = 0;
1167	}	1117	}
		1118
		1119	Input_Context = 0;
1168	}	1120	}
		1121
		1122	#ifdef ENABLE_XIM_ONTHESPOT
		1123
		1124	static void
		1125	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1126	{
		1127	((rxvt_term *)client_data)->make_current ();
		1128	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1129	}
		1130
		1131	static void
		1132	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1133	{
		1134	((rxvt_term *)client_data)->make_current ();
		1135	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1136	}
		1137
		1138	static void
		1139	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1140	{
		1141	rxvt_term *term = (rxvt_term *)client_data;
		1142	XIMText *text = call_data->text;
		1143
		1144	term->make_current ();
		1145
		1146	if (text)
		1147	{
		1148	void *str;
		1149
		1150	if (!text->encoding_is_wchar && text->string.multi_byte)
		1151	{
		1152	// of course, X makes it ugly again
		1153	if (term->rs[Rs_imLocale])
		1154	SET_LOCALE (term->rs[Rs_imLocale]);
		1155
		1156	str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
		1157	mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
		1158
		1159	if (term->rs[Rs_imLocale])
		1160	SET_LOCALE (term->locale);
		1161	}
		1162	else
		1163	str = (void *)text->string.wide_char;
		1164
		1165	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1166	DT_INT, call_data->caret,
		1167	DT_INT, call_data->chg_first,
		1168	DT_INT, call_data->chg_length,
		1169	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1170	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1171	DT_END));
		1172	}
		1173	else
		1174	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1175	DT_INT, call_data->caret,
		1176	DT_INT, call_data->chg_first,
		1177	DT_INT, call_data->chg_length,
		1178	DT_END));
		1179	}
		1180
		1181	#if 0
		1182	static void
		1183	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1184	{
		1185	((rxvt_term *)client_data)->make_current ();
		1186	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1187	DT_INT, call_data->position,
		1188	DT_INT, call_data->direction,
		1189	DT_INT, call_data->style,
		1190	DT_END));
		1191	}
		1192	#endif
		1193
		1194	#endif
1169		1195
1170	/*	1196	/*
1171	* Try to open a XIM with the current modifiers, then see if we can	1197	* Try to open a XIM with the current modifiers, then see if we can
1172	* open a suitable preedit type	1198	* open a suitable preedit type
1173	*/	1199	*/
1174	bool	1200	bool
1175	rxvt_term::IM_get_IC (const char *modifiers)	1201	rxvt_term::IM_get_IC (const char *modifiers)
1176	{	1202	{
1177	int i, j, found;	1203	int i, j, found;
1178	XIM xim;	1204	XIM xim;
1179	XPoint spot;	1205	XPoint spot;
1180	XRectangle rect, status_rect, needed_rect;	1206	XRectangle rect, status_rect, needed_rect;
1181	unsigned long fg, bg;	1207	unsigned long fg, bg;
1182	const char *p;	1208	const char *p;
1183	char **s;	1209	char **s;
1184	XIMStyles *xim_styles;	1210	XIMStyles *xim_styles;
1185	XVaNestedList preedit_attr, status_attr;	1211	#ifdef ENABLE_XIM_ONTHESPOT
		1212	XIMCallback xcb[4];
		1213	#endif
1186		1214
		1215	set_environ (envv);
		1216
1187	if (!((p = XSetLocaleModifiers (modifiers)) && *p))	1217	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1188	return false;	1218	return false;
1189		1219
1190	D_MAIN((stderr, "rxvt_IM_get_IC()"));
1191	input_method = display->get_xim (locale, modifiers);	1220	input_method = display->get_xim (locale, modifiers);
1192	if (input_method == NULL)	1221	if (input_method == NULL)
1193	return false;	1222	return false;
1194		1223
1195	xim = input_method->xim;	1224	xim = input_method->xim;
		1225	spot.x = spot.y = -1;
1196		1226
1197	xim_styles = NULL;	1227	xim_styles = NULL;
1198	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1228	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1199	|| !xim_styles || !xim_styles->count_styles)	1229	|| !xim_styles || !xim_styles->count_styles)
1200	{	1230	{
1201	display->put_xim (input_method);	1231	im_destroy ();
1202	return false;	1232	return false;
1203	}	1233	}
1204		1234
1205	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";	1235	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1236
		1237	for (int pi = 0; pi < 2; pi++)
		1238	{
		1239	p = pet[pi];
		1240
		1241	if (!p)
		1242	continue;
		1243
1206	s = rxvt_splitcommastring(p);	1244	s = rxvt_splitcommastring (p);
		1245
1207	for (i = found = 0; !found && s[i]; i++)	1246	for (i = found = 0; !found && s[i]; i++)
1208	{	1247	{
1209	if (!STRCMP(s[i], "OverTheSpot"))	1248	if (!strcmp (s[i], "OverTheSpot"))
1210	input_style = (XIMPreeditPosition | XIMStatusNothing);	1249	input_style = XIMPreeditPosition | XIMStatusNothing;
1211	else if (!STRCMP(s[i], "OffTheSpot"))	1250	else if (!strcmp (s[i], "OffTheSpot"))
1212	input_style = (XIMPreeditArea | XIMStatusArea);	1251	input_style = XIMPreeditArea | XIMStatusArea;
1213	else if (!STRCMP(s[i], "Root"))	1252	else if (!strcmp (s[i], "Root"))
1214	input_style = (XIMPreeditNothing | XIMStatusNothing);	1253	input_style = XIMPreeditNothing | XIMStatusNothing;
		1254	else if (!strcmp (s[i], "None"))
		1255	input_style = XIMPreeditNone | XIMStatusNone;
		1256	#ifdef ENABLE_XIM_ONTHESPOT
		1257	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1258	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1259	#endif
		1260	else
		1261	input_style = XIMPreeditNothing | XIMStatusNothing;
1215		1262
1216	for (j = 0; j < xim_styles->count_styles; j++)	1263	for (j = 0; j < xim_styles->count_styles; j++)
1217	if (input_style == xim_styles->supported_styles[j])	1264	if (input_style == xim_styles->supported_styles[j])
1218	{	1265	{
		1266	rxvt_freecommastring (s);
		1267
1219	found = 1;	1268	found = 1;
1220	break;	1269	goto foundpet;
		1270	}
		1271
1221	}	1272	}
1222	}
1223		1273
1224	for (i = 0; s[i]; i++)	1274	rxvt_freecommastring (s);
1225	free (s[i]);	1275	}
1226		1276
1227	free (s);	1277	foundpet:
		1278
1228	XFree (xim_styles);	1279	XFree (xim_styles);
1229		1280
1230	if (!found)	1281	if (!found)
1231	{	1282	{
1232	display->put_xim (input_method);	1283	im_destroy ();
1233	return false;	1284	return false;
1234	}	1285	}
1235		1286
1236	preedit_attr = status_attr = NULL;	1287	XFontSet fs = 0;
		1288	XVaNestedList preedit_attr = 0, status_attr = 0;
		1289
		1290	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1291	{
		1292	// fake us a font-set, please
		1293	char **missing_charset_list;
		1294	int missing_charset_count;
		1295	char *def_string;
		1296	char pat[512];
		1297
		1298	sprintf (pat,
		1299	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1300	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1301	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1302	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1303	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1304	"*",
		1305	fheight,
		1306	fheight + 1, fheight - 1,
		1307	fheight - 2, fheight + 2);
		1308
		1309	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1310	&missing_charset_list, &missing_charset_count, &def_string);
		1311
		1312	if (missing_charset_list)
		1313	XFreeStringList (missing_charset_list);
		1314
		1315	if (!fs)
		1316	{
		1317	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1318	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1319	}
		1320	}
1237		1321
1238	if (input_style & XIMPreeditPosition)	1322	if (input_style & XIMPreeditPosition)
1239	{	1323	{
1240	im_set_size (&rect);	1324	im_set_size (rect);
1241	im_set_position (&spot);	1325	im_set_position (spot);
1242	im_set_color (&fg, &bg);	1326	im_set_color (fg, bg);
1243		1327
1244	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1328	preedit_attr = XVaCreateNestedList (0,
		1329	XNForeground, fg,
		1330	XNBackground, bg,
		1331	XNArea, &rect,
1245	XNSpotLocation, &spot,	1332	XNSpotLocation, &spot,
1246	XNForeground, fg, XNBackground, bg,
1247	//XNFontSet, TermWin.fontset,	1333	XNFontSet, fs,
1248	NULL);	1334	NULL);
1249	}	1335	}
1250	else if (input_style & XIMPreeditArea)	1336	else if (input_style & XIMPreeditArea)
1251	{	1337	{
1252	im_set_color (&fg, &bg);	1338	im_set_color (fg, bg);
1253		1339
1254	/*	1340	/*
1255	* The necessary width of preedit area is unknown	1341	* The necessary width of preedit area is unknown
1256	* until create input context.	1342	* until create input context.
1257	*/	1343	*/
1258	needed_rect.width = 0;	1344	needed_rect.width = 0;
1259
1260	im_set_preedit_area (&rect, &status_rect, &needed_rect);	1345	im_set_preedit_area (rect, status_rect, needed_rect);
1261		1346
1262	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1347	preedit_attr = XVaCreateNestedList (0,
		1348	XNForeground, fg,
1263	XNForeground, fg, XNBackground, bg,	1349	XNBackground, bg,
		1350	XNArea, &rect,
		1351	XNFontSet, fs,
		1352	NULL);
		1353	status_attr = XVaCreateNestedList (0,
		1354	XNForeground, fg,
		1355	XNBackground, bg,
		1356	XNArea, &status_rect,
1264	//XNFontSet, TermWin.fontset,	1357	XNFontSet, fs,
1265	NULL);	1358	NULL);
1266	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,	1359	}
1267	XNForeground, fg, XNBackground, bg,	1360	#if ENABLE_XIM_ONTHESPOT
1268	//XNFontSet, TermWin.fontset,	1361	else if (input_style & XIMPreeditCallbacks)
		1362	{
		1363	im_set_position (spot);
		1364
		1365	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1366	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1367	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1368	# if 0
		1369	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1370	# endif
		1371
		1372	preedit_attr = XVaCreateNestedList (0,
		1373	XNSpotLocation, &spot,
		1374	XNPreeditStartCallback, &xcb[0],
		1375	XNPreeditDoneCallback , &xcb[1],
		1376	XNPreeditDrawCallback , &xcb[2],
		1377	# if 0
		1378	XNPreeditCaretCallback, &xcb[3],
		1379	# endif
1269	NULL);	1380	NULL);
1270	}	1381	}
		1382	#endif
1271		1383
1272	Input_Context = XCreateIC(xim, XNInputStyle, input_style,	1384	Input_Context = XCreateIC (xim,
		1385	XNInputStyle, input_style,
1273	XNClientWindow, TermWin.parent[0],	1386	XNClientWindow, vt,
1274	XNFocusWindow, TermWin.parent[0],	1387	XNFocusWindow, parent[0],
1275	preedit_attr ? XNPreeditAttributes : NULL,	1388	preedit_attr ? XNPreeditAttributes : NULL,
1276	preedit_attr,	1389	preedit_attr,
1277	status_attr ? XNStatusAttributes : NULL,	1390	status_attr ? XNStatusAttributes : NULL,
1278	status_attr, NULL);	1391	status_attr, NULL);
		1392
1279	if (preedit_attr) XFree(preedit_attr);	1393	if (preedit_attr) XFree (preedit_attr);
1280	if (status_attr) XFree(status_attr);	1394	if (status_attr) XFree (status_attr);
		1395	if (fs) XFreeFontSet (dpy, fs);
1281		1396
1282	if (Input_Context == NULL)	1397	if (Input_Context == NULL)
1283	{	1398	{
1284	rxvt_print_error("failed to create input context");	1399	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1285	display->put_xim (input_method);	1400	im_destroy ();
1286	return false;	1401	return false;
1287	}	1402	}
1288		1403
1289	if (input_style & XIMPreeditArea)	1404	#if 0
		1405	// unfortunately, only the focus window is used by XIM, hard to fix
		1406	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1407	vt_select_input ();
		1408	#endif
		1409
1290	IMSetStatusPosition ();	1410	IMSetPosition ();
1291		1411
1292	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1293	return true;	1412	return true;
1294	}	1413	}
1295		1414
1296	void	1415	void
1297	rxvt_term::im_cb ()	1416	rxvt_term::im_cb ()
1298	{	1417	{
1299	int i, found, had_im;	1418	int i;
1300	const char *p;	1419	const char *p;
1301	char **s;	1420	char **s;
1302	char buf[IMBUFSIZ];	1421	char buf[IMBUFSIZ];
1303		1422
		1423	make_current ();
		1424
1304	im_destroy ();	1425	im_destroy ();
1305		1426
1306	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));
1307	if (Input_Context)	1427	if (Input_Context)
1308	return;	1428	return;
1309		1429
1310	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1430	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1311	if (rs[Rs_imLocale])	1431	if (rs[Rs_imLocale])
1312	setlocale (LC_CTYPE, rs[Rs_imLocale]);	1432	SET_LOCALE (rs[Rs_imLocale]);
1313	#endif	1433	#endif
1314		1434
1315	p = rs[Rs_inputMethod];	1435	p = rs[Rs_inputMethod];
1316	if (p && *p)	1436	if (p && *p)
1317	{	1437	{
1318	bool found = false;	1438	bool found = false;
1319		1439
1320	s = rxvt_splitcommastring (p);	1440	s = rxvt_splitcommastring (p);
		1441
1321	for (i = 0; s[i]; i++)	1442	for (i = 0; s[i]; i++)
1322	{	1443	{
1323	if (*s[i])	1444	if (*s[i])
1324	{	1445	{
1325	STRCPY (buf, "@im=");	1446	strcpy (buf, "@im=");
1326	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1447	strncat (buf, s[i], IMBUFSIZ - 5);
1327	if (IM_get_IC (buf))	1448	if (IM_get_IC (buf))
1328	{	1449	{
1329	found = true;	1450	found = true;
1330	break;	1451	break;
1331	}	1452	}
1332	}	1453	}
1333	}	1454	}
1334	for (i = 0; s[i]; i++)	1455
1335	free(s[i]);	1456	rxvt_freecommastring (s);
1336	free(s);
1337		1457
1338	if (found)	1458	if (found)
1339	goto done;	1459	goto done;
1340	}	1460	}
1341		1461
…		…
1348	goto done;	1468	goto done;
1349		1469
1350	done:	1470	done:
1351	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1471	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1352	if (rs[Rs_imLocale])	1472	if (rs[Rs_imLocale])
1353	setlocale (LC_CTYPE, locale);	1473	SET_LOCALE (locale);
1354	#endif	1474	#endif
1355	}	1475	}
1356		1476
1357	void	1477	void
1358	rxvt_term::IMSetStatusPosition ()	1478	rxvt_term::IMSetPosition ()
1359	{	1479	{
1360	XRectangle preedit_rect, status_rect, *needed_rect;	1480	XRectangle preedit_rect, status_rect, *needed_rect;
1361	XVaNestedList preedit_attr, status_attr;	1481	XVaNestedList preedit_attr, status_attr;
1362		1482
1363	if (Input_Context == NULL	1483	if (!Input_Context
1364	|| !TermWin.focus || !(input_style & XIMPreeditArea)	1484	|| !focus
		1485	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1365	|| !IMisRunning ())	1486	|| !IMisRunning ())
1366	return;	1487	return;
1367		1488
		1489	if (input_style & XIMPreeditPosition)
		1490	{
		1491	im_set_size (preedit_rect);
		1492	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1493
		1494	XSetICValues (Input_Context,
		1495	XNPreeditAttributes, preedit_attr, NULL);
		1496	}
		1497	else
		1498	{
1368	/* Getting the necessary width of preedit area */	1499	/* Getting the necessary width of preedit area */
1369	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1500	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1370	XGetICValues(Input_Context, XNStatusAttributes, status_attr, NULL);	1501	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1371	XFree(status_attr);	1502	XFree (status_attr);
1372		1503
1373	im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);	1504	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1505	XFree (needed_rect);
1374		1506
1375	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1507	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1376	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1508	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1377		1509
1378	XSetICValues(Input_Context,	1510	XSetICValues (Input_Context,
1379	XNPreeditAttributes, preedit_attr,	1511	XNPreeditAttributes, preedit_attr,
1380	XNStatusAttributes, status_attr, NULL);	1512	XNStatusAttributes, status_attr,
		1513	NULL);
1381		1514
		1515	XFree (status_attr);
		1516	}
		1517
1382	XFree(preedit_attr);	1518	XFree (preedit_attr);
1383	XFree(status_attr);
1384	}	1519	}
1385	#endif /* USE_XIM */	1520	#endif /* USE_XIM */
1386		1521
1387	/*----------------------------------------------------------------------*/	1522	void
1388	rxvt_t rxvt_current_term;	1523	rxvt_term::get_window_origin (int &x, int &y)
		1524	{
		1525	Window cr;
		1526	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1527	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1528	}
		1529
		1530	Pixmap
		1531	rxvt_term::get_pixmap_property (int prop_id)
		1532	{
		1533	if (prop_id > 0 && prop_id < NUM_XA)
		1534	if (xa[prop_id])
		1535	{
		1536	int aformat;
		1537	unsigned long nitems, bytes_after;
		1538	Atom atype;
		1539	unsigned char *prop = NULL;
		1540	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1541	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1542	&nitems, &bytes_after, &prop);
		1543	if (result == Success && prop && atype == XA_PIXMAP)
		1544	return *(Pixmap *)prop;
		1545	}
		1546
		1547	return None;
		1548	}
		1549
		1550	#ifdef HAVE_BG_PIXMAP
		1551	# if TRACE_PIXMAPS
		1552	# undef update_background
		1553	void
		1554	rxvt_term::trace_update_background (const char *file, int line)
		1555	{
		1556	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1557	update_background ();
		1558	}
		1559	# endif
		1560
		1561	void
		1562	rxvt_term::update_background ()
		1563	{
		1564	if (update_background_ev.is_active ())
		1565	return;
		1566
		1567	bgPixmap.invalidate ();
		1568
		1569	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1570
		1571	if (to_wait <= 0.)
		1572	bgPixmap.render ();
		1573	else
		1574	update_background_ev.start (to_wait);
		1575	}
		1576
		1577	void
		1578	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1579	{
		1580	make_current ();
		1581
		1582	update_background_ev.stop ();
		1583	bgPixmap.render ();
		1584	refresh_check ();
		1585	}
		1586
		1587	#endif /* HAVE_BG_PIXMAP */
1389		1588
1390	/*----------------------- end-of-file (C source) -----------------------*/	1589	/*----------------------- end-of-file (C source) -----------------------*/

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