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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.25 by pcg, Sat Jan 31 03:27:45 2004 UTC vs.
Revision 1.199 by root, Tue Jan 24 19:40:12 2006 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*--------------------------------*-C-*---------------------------------*
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) 2003-2006 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>
		41	#include <cstring>
37		42
38	#ifdef TTY_GID_SUPPORT	43	#ifdef TTY_GID_SUPPORT
39	# include <grp.h>	44	# include <grp.h>
40	#endif	45	#endif
41		46
42	#ifdef HAVE_TERMIOS_H	47	#ifdef HAVE_TERMIOS_H
43	# include <termios.h>	48	# include <termios.h>
44	#endif	49	#endif
45		50
46	#include <cstring>	51	vector<rxvt_term *> rxvt_term::termlist;
47		52
		53	// used to tell global functions which terminal instance is "active"
		54	rxvt_t rxvt_current_term;
		55
48	static char curlocale[128];	56	static char curlocale[128], savelocale[128];
49		57
50	void	58	bool
51	rxvt_set_locale (const char *locale)	59	rxvt_set_locale (const char *locale) NOTHROW
52	{	60	{
53	if (locale && STRNCMP (locale, curlocale, 128))	61	if (!locale || !strncmp (locale, curlocale, 128))
54	{	62	return false;
		63
55	STRNCPY (curlocale, locale, 128);	64	strncpy (curlocale, locale, 128);
56	setlocale (LC_CTYPE, curlocale);	65	setlocale (LC_CTYPE, curlocale);
57	}	66	return true;
58	}	67	}
59		68
60	void *	69	void
61	rxvt_term::operator new (size_t s)	70	rxvt_push_locale (const char *locale) NOTHROW
62	{	71	{
63	void *p = malloc (s);	72	strcpy (savelocale, curlocale);
		73	rxvt_set_locale (locale);
		74	}
64		75
65	MEMSET (p, 0, s);	76	void
		77	rxvt_pop_locale () NOTHROW
		78	{
		79	rxvt_set_locale (savelocale);
		80	}
		81
		82	#if ENABLE_COMBINING
		83	class rxvt_composite_vec rxvt_composite;
		84
		85	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		86	{
		87	compose_char *cc;
		88
		89	// break compose chains, as stupid readline really likes to duplicate
		90	// composing characters for some reason near the end of a line.
		91	cc = (*this)[c1];
		92	while (cc)
		93	{
		94	if (cc->c2 == c2) return c1;
		95	cc = (*this)[cc->c1];
		96	}
		97
		98	// check to see wether this combination already exists otherwise
		99	for (cc = v.end (); cc-- > v.begin (); )
		100	{
		101	if (cc->c1 == c1 && cc->c2 == c2)
		102	return COMPOSE_LO + (cc - v.begin ());
		103	}
		104
		105	// allocate a new combination
		106	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		107	{
		108	static int seen;
		109
		110	if (!seen++)
		111	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		112
		113	return REPLACEMENT_CHAR;
		114	}
		115
		116	v.push_back (compose_char (c1, c2));
		117
		118	return v.size () - 1 + COMPOSE_LO;
		119	}
		120
		121	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		122	{
		123	compose_char *cc = (*this)[c];
		124
		125	if (!cc)
		126	{
		127	if (r) *r = c;
		128	return 1;
		129	}
		130
		131	int len = expand (cc->c1, r);
		132
		133	if (r) r += len;
		134
		135	if (cc->c2 != NOCHAR)
		136	{
		137	len++;
		138	if (r) *r++ = cc->c2;
		139	}
		140
66	return p;	141	return len;
67	}
68		142
69	void
70	rxvt_term::operator delete (void *p, size_t s)
71	{
72	free (p);
73	}	143	}
		144	#endif
74		145
75	rxvt_term::rxvt_term ()	146	rxvt_term::rxvt_term ()
76	:	147	:
		148	#if TRANSPARENT
		149	rootwin_ev (this, &rxvt_term::rootwin_cb),
		150	#endif
		151	#ifdef HAVE_SCROLLBARS
		152	scrollbar_ev (this, &rxvt_term::x_cb),
		153	#endif
77	#ifdef CURSOR_BLINK	154	#ifdef CURSOR_BLINK
78	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),	155	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
79	#endif	156	#endif
80	#ifdef TEXT_BLINK	157	#ifdef TEXT_BLINK
81	text_blink_ev (this, &rxvt_term::text_blink_cb),	158	text_blink_ev (this, &rxvt_term::text_blink_cb),
		159	#endif
		160	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		161	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
		162	#endif
		163	#ifdef SELECTION_SCROLLING
		164	sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
		165	#endif
		166	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		167	slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
82	#endif	168	#endif
83	#ifdef POINTER_BLANK	169	#ifdef POINTER_BLANK
84	pointer_ev (this, &rxvt_term::pointer_cb),	170	pointer_ev (this, &rxvt_term::pointer_cb),
85	#endif	171	#endif
		172	#ifdef USE_XIM
		173	im_ev (this, &rxvt_term::im_cb),
		174	#endif
		175	#ifndef NO_BELL
		176	bell_ev (this, &rxvt_term::bell_cb),
		177	#endif
		178	termwin_ev (this, &rxvt_term::x_cb),
		179	vt_ev (this, &rxvt_term::x_cb),
		180	child_ev (this, &rxvt_term::child_cb),
86	check_ev (this, &rxvt_term::check_cb),	181	check_ev (this, &rxvt_term::check_cb),
		182	flush_ev (this, &rxvt_term::flush_cb),
87	destroy_ev (this, &rxvt_term::destroy_cb),	183	destroy_ev (this, &rxvt_term::destroy_cb),
88	pty_ev (this, &rxvt_term::pty_cb),	184	pty_ev (this, &rxvt_term::pty_cb),
89	x_ev (this, &rxvt_term::x_cb),
90	incr_ev (this, &rxvt_term::incr_cb)	185	incr_ev (this, &rxvt_term::incr_cb)
91	{	186	{
92	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	187	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		188
		189	termlist.push_back (this);
		190
		191	#ifdef KEYSYM_RESOURCE
		192	keyboard = new keyboard_manager;
		193	#endif
		194	}
		195
		196	// clean up the most important stuff, do *not* call x or free mem etc.
		197	// for use before an emergency exit
		198	void rxvt_term::emergency_cleanup ()
		199	{
		200	if (cmd_pid)
		201	kill (-cmd_pid, SIGHUP);
		202
		203	delete pty; pty = 0;
93	}	204	}
94		205
95	rxvt_term::~rxvt_term ()	206	rxvt_term::~rxvt_term ()
96	{	207	{
		208	termlist.erase (find (termlist.begin (), termlist.end(), this));
		209
		210	emergency_cleanup ();
		211
		212	#if ENABLE_STYLES
		213	for (int i = RS_styleCount; --i; )
		214	if (fontset[i] != fontset[0])
		215	delete fontset[i];
		216	#endif
		217	delete fontset[0];
		218
		219	if (display)
		220	{
		221	dDisp;
		222
		223	selection_clear ();
		224
		225	#ifdef USE_XIM
		226	im_destroy ();
		227	#endif
		228	#ifdef XTERM_SCROLLBAR
		229	if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
		230	if (ShadowGC) XFreeGC (disp, ShadowGC);
		231	#endif
		232	#ifdef PLAIN_SCROLLBAR
		233	if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
		234	#endif
		235	#ifdef NEXT_SCROLLBAR
		236	if (blackGC) XFreeGC (disp, blackGC);
		237	if (whiteGC) XFreeGC (disp, whiteGC);
		238	if (grayGC) XFreeGC (disp, grayGC);
		239	if (darkGC) XFreeGC (disp, darkGC);
		240	if (stippleGC) XFreeGC (disp, stippleGC);
		241	if (dimple) XFreePixmap (disp, dimple);
		242	if (upArrow) XFreePixmap (disp, upArrow);
		243	if (downArrow) XFreePixmap (disp, downArrow);
		244	if (upArrowHi) XFreePixmap (disp, upArrowHi);
		245	if (downArrowHi) XFreePixmap (disp, downArrowHi);
		246	#endif
		247	#ifdef RXVT_SCROLLBAR
		248	if (topShadowGC) XFreeGC (disp, topShadowGC);
		249	if (botShadowGC) XFreeGC (disp, botShadowGC);
		250	if (scrollbarGC) XFreeGC (disp, scrollbarGC);
		251	#endif
		252	if (gc) XFreeGC (disp, gc);
		253
		254	delete drawable;
		255	// destroy all windows
		256	if (parent[0])
		257	XDestroyWindow (disp, parent[0]);
		258	}
		259
		260	// TODO: free pixcolours, colours should become part of rxvt_display
		261	delete pix_colors_focused;
		262	#if OFF_FOCUS_FADING
		263	delete pix_colors_unfocused;
		264	#endif
		265
		266	displays.put (display);
		267
97	scr_release ();	268	scr_release ();
98		269
		270	/* clear all resources */
		271	for (int i = 0; i < allocated.size (); i++)
		272	free (allocated [i]);
		273
		274	free (selection.text);
		275	// TODO: manage env vars in child only(!)
		276	free (env_windowid);
		277	free (env_display);
		278	free (env_term);
		279	free (env_colorfgbg);
99	free (locale);	280	free (locale);
100	free (codeset);	281	free (v_buffer);
		282	free (incr_buf);
101		283
102	#ifndef NO_SETOWNER_TTYDEV	284	delete envv;
103	privileged_ttydev (RESTORE);	285	delete argv;
104	#endif
105	#ifdef UTMP_SUPPORT
106	privileged_utmp (RESTORE);
107	#endif
108	#ifdef USE_XIM
109	if (Input_Context != NULL)
110	{
111	XDestroyIC (Input_Context);
112	Input_Context = NULL;
113	}
114	#endif
115		286
116	if (cmd_fd >= 0)	287	#ifdef KEYSYM_RESOURCE
117	close (cmd_fd);	288	delete keyboard;
		289	#endif
		290	}
118		291
119	if (Xfd >= 0)	292	// child has exited, usually destroys
120	XCloseDisplay (Xdisplay);	293	void
		294	rxvt_term::child_cb (child_watcher &w, int status)
		295	{
		296	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
121		297
122	delete PixColors;	298	cmd_pid = 0;
		299
		300	if (!OPTION (Opt_hold))
		301	destroy ();
123	}	302	}
124		303
125	void	304	void
126	rxvt_term::destroy ()	305	rxvt_term::destroy ()
127	{	306	{
		307	if (destroy_ev.active)
		308	return;
		309
		310	if (HOOK_INVOKE ((this, HOOK_DESTROY, DT_END)))
		311	return;
		312
		313	#if ENABLE_OVERLAY
		314	scr_overlay_off ();
		315	#endif
		316
		317	if (display)
		318	{
		319	#if USE_XIM
		320	im_ev.stop (display);
		321	#endif
		322	#if HAVE_SCROLLBARS
		323	scrollbar_ev.stop (display);
		324	#endif
		325	#if TRANSPARENT
		326	rootwin_ev.stop (display);
		327	#endif
		328	incr_ev.stop ();
		329	termwin_ev.stop (display);
		330	vt_ev.stop (display);
		331	}
		332
128	check_ev.stop ();	333	check_ev.stop ();
129	pty_ev.stop ();	334	pty_ev.stop ();
130	x_ev.stop ();
131	#ifdef CURSOR_BLINK	335	#ifdef CURSOR_BLINK
132	cursor_blink_ev.stop ();	336	cursor_blink_ev.stop ();
133	#endif	337	#endif
134	#ifdef TEXT_BLINK	338	#ifdef TEXT_BLINK
135	text_blink_ev.stop ();	339	text_blink_ev.stop ();
136	#endif	340	#endif
		341	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		342	cont_scroll_ev.stop ();
		343	#endif
		344	#ifdef SELECTION_SCROLLING
		345	sel_scroll_ev.stop ();
		346	#endif
137	#ifdef POINTER_BLANK	347	#ifdef POINTER_BLANK
138	pointer_ev.stop ();	348	pointer_ev.stop ();
139	#endif	349	#endif
140		350
141	destroy_ev.start (0);	351	destroy_ev.start (0);
142	}	352	}
143		353
144	void	354	void
145	rxvt_term::destroy_cb (time_watcher &w)	355	rxvt_term::destroy_cb (time_watcher &w)
146	{	356	{
147	SET_R (this);	357	make_current ();
148		358
149	delete this;	359	delete this;
150	}
151
152	/*----------------------------------------------------------------------*/
153	/* rxvt_init() */
154	/* LIBPROTO */
155	rxvt_t
156	rxvt_init (int argc, const char *const *argv)
157	{
158	SET_R (new rxvt_term);
159
160	if (!GET_R->init_vars () || !GET_R->init (argc, argv))
161	{
162	delete GET_R;
163	SET_R (0);
164	}
165
166	return GET_R;
167	}
168
169	void
170	rxvt_init_signals ()
171	{
172	/* install exit handler for cleanup */
173	#if 0
174	#ifdef HAVE_ATEXIT
175	atexit(rxvt_clean_exit);
176	#else
177	#endif
178	#endif
179
180	struct sigaction sa;
181
182	sigfillset (&sa.sa_mask);
183	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
184	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
185	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
186	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
187	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
188	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
189	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
190
191	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
192	/* signal (SIGURG, SIG_DFL); */
193
194	XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
195	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
196	}
197
198	bool
199	rxvt_term::init (int argc, const char *const *argv)
200	{
201	/*
202	* Save and then give up any super-user privileges
203	* If we need privileges in any area then we must specifically request it.
204	* We should only need to be root in these cases:
205	* 1. write utmp entries on some systems
206	* 2. chown tty on some systems
207	*/
208	privileges (SAVE);
209	privileges (IGNORE);
210
211	init_secondary ();
212
213	const char **cmd_argv = init_resources (argc, argv);
214
215	set_locale ("");
216
217	#if (MENUBAR_MAX)
218	menubar_read (rs[Rs_menu]);
219	#endif
220	#ifdef HAVE_SCROLLBARS
221	if (Options & Opt_scrollBar)
222	scrollBar.setIdle (); /* set existence for size calculations */
223	#endif
224
225	create_windows (argc, argv);
226
227	init_xlocale ();
228
229	scr_reset (); /* initialize screen */
230	#ifdef RXVT_GRAPHICS
231	Gr_reset (); /* reset graphics */
232	#endif
233
234	#if 0
235	#ifdef DEBUG_X
236	XSynchronize(Xdisplay, True);
237	#endif
238	#endif
239
240	#ifdef HAVE_SCROLLBARS
241	if (Options & Opt_scrollBar)
242	resize_scrollbar (); /* create and map scrollbar */
243	#endif
244	#if (MENUBAR_MAX)
245	if (menubar_visible(r))
246	XMapWindow (Xdisplay, menuBar.win);
247	#endif
248	#ifdef TRANSPARENT
249	if (Options & Opt_transparent)
250	{
251	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
252	check_our_parents ();
253	}
254	#endif
255	XMapWindow (Xdisplay, TermWin.vt);
256	XMapWindow (Xdisplay, TermWin.parent[0]);
257
258	init_env ();
259	init_command (cmd_argv);
260
261	x_ev.start (Xfd, EVENT_READ);
262	pty_ev.start (cmd_fd, EVENT_READ);
263
264	check_ev.start ();
265
266	process_x_events ();
267
268	return true;
269	}
270
271	/* ------------------------------------------------------------------------- *
272	* SIGNAL HANDLING & EXIT HANDLER *
273	* ------------------------------------------------------------------------- */
274	/*
275	* Catch a SIGCHLD signal and exit if the direct child has died
276	*/
277	/* ARGSUSED */
278	/* EXTPROTO */
279	RETSIGTYPE
280	rxvt_Child_signal(int sig __attribute__ ((unused)))
281	{
282	int pid, save_errno = errno;
283	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
284	;
285	errno = save_errno;
286
287	#if 0
288	if (pid == cmd_pid)
289	exit (EXIT_SUCCESS);
290	#endif
291	}
292
293	/*
294	* Catch a fatal signal and tidy up before quitting
295	*/
296	/* EXTPROTO */
297	RETSIGTYPE
298	rxvt_Exit_signal(int sig)
299	{
300	signal(sig, SIG_DFL);
301	#ifdef DEBUG_CMD
302	rxvt_print_error("signal %d", sig);
303	#endif
304	rxvt_clean_exit();
305	kill(getpid(), sig);
306	}
307
308	/* ARGSUSED */
309	/* EXTPROTO */
310	int
311	rxvt_xerror_handler(const Display * display
312	__attribute__ ((unused)), const XErrorEvent * event)
313	{
314	if (GET_R->allowedxerror == -1)
315	GET_R->allowedxerror = event->error_code;
316	else
317	{
318	rxvt_print_error("XError: Request: %d . %d, Error: %d",
319	event->request_code, event->minor_code,
320	event->error_code);
321
322	GET_R->destroy ();
323	}
324
325	return 0;
326	}	360	}
327		361
328	/*----------------------------------------------------------------------*/	362	/*----------------------------------------------------------------------*/
329	/*	363	/*
330	* Exit gracefully, clearing the utmp entry and restoring tty attributes	364	* Exit gracefully, clearing the utmp entry and restoring tty attributes
331	* TODO: if debugging, this should free up any known resources if we can	365	* TODO: if debugging, this should free up any known resources if we can
332	*/	366	*/
333	/* EXTPROTO */	367	static XErrorHandler old_xerror_handler;
		368
		369	static void
		370	rxvt_emergency_cleanup ()
		371	{
		372	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		373	(*t)->emergency_cleanup ();
		374	}
		375
		376	#if ENABLE_FRILLS
		377	static void
		378	print_x_error (Display *dpy, XErrorEvent *event)
		379	{
		380	char buffer[BUFSIZ];
		381	char mesg[BUFSIZ];
		382	char number[32];
		383	char *mtype = "XlibMessage";
		384	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		385	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		386	rxvt_warn ("An X Error occured, trying to continue after report.\n");
		387	rxvt_warn ("%s: %s\n", mesg, buffer);
		388	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		389	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		390	sprintf(number, "%d", event->request_code);
		391	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		392	rxvt_warn ("(which is %s)\n", buffer);
		393	if (event->request_code >= 128) {
		394	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		395	mesg, BUFSIZ);
		396	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		397	}
		398	if ((event->error_code == BadWindow) ||
		399	(event->error_code == BadPixmap) ||
		400	(event->error_code == BadCursor) ||
		401	(event->error_code == BadFont) ||
		402	(event->error_code == BadDrawable) ||
		403	(event->error_code == BadColor) ||
		404	(event->error_code == BadGC) ||
		405	(event->error_code == BadIDChoice) ||
		406	(event->error_code == BadValue) ||
		407	(event->error_code == BadAtom)) {
		408	if (event->error_code == BadValue)
		409	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		410	mesg, BUFSIZ);
		411	else if (event->error_code == BadAtom)
		412	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		413	mesg, BUFSIZ);
		414	else
		415	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		416	mesg, BUFSIZ);
		417	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		418	}
		419	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		420	mesg, BUFSIZ);
		421	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		422	}
		423	#endif
		424
		425	int
		426	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		427	{
		428	if (GET_R->allowedxerror == -1)
		429	GET_R->allowedxerror = event->error_code;
		430	else
		431	{
		432	// GET_R is most likely not the terminal which caused the error,
		433	// so just output the error and continue
		434	#if ENABLE_FRILLS
		435	print_x_error (display, event);
		436	#else
		437	old_xerror_handler (display, event);
		438	#endif
		439	}
		440
		441	return 0;
		442	}
		443
		444	int
		445	rxvt_xioerror_handler (Display *display)
		446	{
		447	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		448	DisplayString (display));
		449	rxvt_emergency_cleanup ();
		450	_exit (EXIT_FAILURE);
		451	}
		452
		453	/*----------------------------------------------------------------------*/
		454	bool
		455	rxvt_term::init (int argc, const char *const *argv, stringvec *envv)
		456	{
		457	this->envv = envv;
		458
		459	SET_R (this);
		460	set_locale ("");
		461	set_environ (envv); // few things in X do not call setlocale :(
		462
		463	if (!init_vars ())
		464	return false;
		465
		466	init_secondary ();
		467
		468	const char **cmd_argv = init_resources (argc, argv);
		469
		470	#ifdef KEYSYM_RESOURCE
		471	keyboard->register_done ();
		472	#endif
		473
		474	#ifdef HAVE_SCROLLBARS
		475	if (OPTION (Opt_scrollBar))
		476	scrollBar.setIdle (); /* set existence for size calculations */
		477	#endif
		478
		479	pty = ptytty::create ();
		480
		481	create_windows (argc, argv);
		482
		483	dDisp;
		484
		485	init_xlocale ();
		486
		487	scr_reset (); // initialize screen
		488
		489	#if 0
		490	XSynchronize (disp, True);
		491	#endif
		492
		493	#ifdef HAVE_SCROLLBARS
		494	if (OPTION (Opt_scrollBar))
		495	resize_scrollbar (); /* create and map scrollbar */
		496	#endif
		497	#ifdef TRANSPARENT
		498	if (OPTION (Opt_transparent))
		499	{
		500	XSelectInput (disp, display->root, PropertyChangeMask);
		501	check_our_parents ();
		502	rootwin_ev.start (display, display->root);
		503	}
		504	#endif
		505
		506	set_colorfgbg ();
		507
		508	init_command (cmd_argv);
		509
		510	free (cmd_argv);
		511
		512	if (pty->pty >= 0)
		513	pty_ev.start (pty->pty, EVENT_READ);
		514
		515	check_ev.start ();
		516
		517	HOOK_INVOKE ((this, HOOK_START, DT_END));
		518
		519	XMapWindow (disp, vt);
		520	XMapWindow (disp, parent[0]);
		521
		522	return true;
		523	}
		524
		525	static struct sig_handlers
		526	{
		527	sig_watcher sw_term, sw_int;
		528
		529	/*
		530	* Catch a fatal signal and tidy up before quitting
		531	*/
334	void	532	void
335	rxvt_clean_exit ()	533	sig_term (sig_watcher &w)
		534	{
		535	rxvt_emergency_cleanup ();
		536	signal (w.signum, SIG_DFL);
		537	kill (getpid (), w.signum);
		538	}
		539
		540	sig_handlers ()
		541	: sw_term (this, &sig_handlers::sig_term),
		542	sw_int (this, &sig_handlers::sig_term)
		543	{
		544	}
		545	} sig_handlers;
		546
		547	char **rxvt_environ; // startup environment
		548
		549	void
		550	rxvt_init ()
336	{	551	{
337	GET_R->destroy ();	552	ptytty::init ();
		553
		554	rxvt_environ = environ;
		555
		556	signal (SIGHUP, SIG_IGN);
		557	signal (SIGPIPE, SIG_IGN);
		558
		559	sig_handlers.sw_term.start (SIGTERM);
		560	sig_handlers.sw_int.start (SIGINT);
		561
		562	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		563	/* signal (SIGURG, SIG_DFL); */
		564
		565	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		566	// TODO: handle this with exceptions and tolerate the memory loss
		567	XSetIOErrorHandler (rxvt_xioerror_handler);
		568
		569	XrmInitialize ();
338	}	570	}
339		571
340	/* ------------------------------------------------------------------------- *	572	/* ------------------------------------------------------------------------- *
341	* MEMORY ALLOCATION WRAPPERS *	573	* MEMORY ALLOCATION WRAPPERS *
342	* ------------------------------------------------------------------------- */	574	* ------------------------------------------------------------------------- */
343	/* EXTPROTO */	575	void *
344	void *
345	rxvt_malloc(size_t size)	576	rxvt_malloc (size_t size)
346	{	577	{
347	void *p;
348
349	p = malloc(size);	578	void *p = malloc (size);
		579
350	if (p)	580	if (!p)
		581	rxvt_fatal ("memory allocation failure. aborting.\n");
		582
351	return p;	583	return p;
352
353	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
354	rxvt_clean_exit();
355	exit(EXIT_FAILURE);
356	/* NOTREACHED */
357	}	584	}
358		585
359	/* EXTPROTO */	586	void *
360	void *
361	rxvt_calloc(size_t number, size_t size)	587	rxvt_calloc (size_t number, size_t size)
362	{	588	{
363	void *p;
364
365	p = calloc(number, size);	589	void *p = calloc (number, size);
		590
366	if (p)	591	if (!p)
		592	rxvt_fatal ("memory allocation failure. aborting.\n");
		593
367	return p;	594	return p;
368
369	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
370	rxvt_clean_exit();
371	exit(EXIT_FAILURE);
372	/* NOTREACHED */
373	}	595	}
374		596
375	/* EXTPROTO */	597	void *
376	void *
377	rxvt_realloc(void *ptr, size_t size)	598	rxvt_realloc (void *ptr, size_t size)
378	{	599	{
379	void *p;
380
381	if (ptr)
382	p = realloc(ptr, size);	600	void *p = realloc (ptr, size);
383	else	601
384	p = malloc(size);
385	if (p)	602	if (!p)
		603	rxvt_fatal ("memory allocation failure. aborting.\n");
		604
386	return p;	605	return p;
387
388	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
389	rxvt_clean_exit();
390	exit(EXIT_FAILURE);
391	/* NOTREACHED */
392	}	606	}
393
394	/* ------------------------------------------------------------------------- *
395	* PRIVILEGED OPERATIONS *
396	* ------------------------------------------------------------------------- */
397	/* take care of suid/sgid super-user (root) privileges */
398	void
399	rxvt_term::privileges (int mode)
400	{
401	#if ! defined(__CYGWIN32__)
402	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
403	/* setreuid() is the poor man's setuid(), seteuid() */
404	# define seteuid(a) setreuid(-1, (a))
405	# define setegid(a) setregid(-1, (a))
406	# define HAVE_SETEUID
407	# endif
408	# ifdef HAVE_SETEUID
409	switch (mode) {
410	case IGNORE:
411	/*
412	* change effective uid/gid - not real uid/gid - so we can switch
413	* back to root later, as required
414	*/
415	seteuid(getuid());
416	setegid(getgid());
417	break;
418	case SAVE:
419	euid = geteuid();
420	egid = getegid();
421	break;
422	case RESTORE:
423	seteuid(euid);
424	setegid(egid);
425	break;
426	}
427	# else
428	switch (mode) {
429	case IGNORE:
430	setuid(getuid());
431	setgid(getgid());
432	/* FALLTHROUGH */
433	case SAVE:
434	/* FALLTHROUGH */
435	case RESTORE:
436	break;
437	}
438	# endif
439	#endif
440	}
441
442	#ifdef UTMP_SUPPORT
443	void
444	rxvt_term::privileged_utmp (char action)
445	{
446	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
447	action, next_utmp_action, getpid()));
448	if (next_utmp_action != action || (action != SAVE && action != RESTORE)
449	|| (Options & Opt_utmpInhibit)
450	|| ttydev == NULL || *ttydev == '\0')
451	return;
452
453	privileges (RESTORE);
454	if (action == SAVE) {
455	next_utmp_action = RESTORE;
456	makeutent (ttydev, rs[Rs_display_name]);
457	} else { /* action == RESTORE */
458	next_utmp_action = IGNORE;
459	cleanutent ();
460	}
461	privileges (IGNORE);
462	}
463	#endif
464
465	#ifndef NO_SETOWNER_TTYDEV
466	void
467	rxvt_term::privileged_ttydev (char action)
468	{
469	D_MAIN((stderr,
470	"privileged_ttydev (%c); waiting for: %c (pid: %d)",
471	action, next_tty_action, getpid()));
472	if (next_tty_action != action || (action != SAVE && action != RESTORE)
473	|| ttydev == NULL || *ttydev == '\0')
474	return;
475
476	privileges (RESTORE);
477
478	if (action == SAVE) {
479	next_tty_action = RESTORE;
480	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
481	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
482	if (lstat(ttydev, &ttyfd_stat) < 0) /* you lose out */
483	next_tty_action = IGNORE;
484	else
485	# endif
486	{
487	chown(ttydev, getuid(), ttygid); /* fail silently */
488	chmod(ttydev, ttymode);
489	# ifdef HAVE_REVOKE
490	revoke(ttydev);
491	# endif
492	}
493	} else { /* action == RESTORE */
494	next_tty_action = IGNORE;
495	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
496	chmod(ttydev, ttyfd_stat.st_mode);
497	chown(ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
498	# else
499	chmod(ttydev,
500	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
501	chown(ttydev, 0, 0);
502	# endif
503	}
504
505	privileges (IGNORE);
506
507	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
508	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
509	action == RESTORE ? "Restoring" : (action ==
510	SAVE ? "Saving" :
511	"UNKNOWN ERROR for"), ttydev,
512	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
513	ttyfd_stat.st_gid));
514	# endif
515	}
516	#endif
517		607
518	/*----------------------------------------------------------------------*/	608	/*----------------------------------------------------------------------*/
519	/*	609	/*
520	* window size/position calculcations for XSizeHint and other storage.	610	* window size/position calculcations for XSizeHint and other storage.
521	* if width/height are non-zero then override calculated width/height	611	* if width/height are non-zero then override calculated width/height
522	*/	612	*/
523	void	613	void
524	rxvt_term::window_calc (unsigned int width, unsigned int height)	614	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
525	{	615	{
526	short recalc_x, recalc_y;	616	short recalc_x, recalc_y;
527	int x, y, sb_w, mb_h, flags;	617	int x, y, sb_w, flags;
528	unsigned int w, h;	618	unsigned int w, h;
529	unsigned int max_width, max_height;	619	unsigned int max_width, max_height;
		620	dDisp;
530		621
531	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
532	TermWin.ncol, TermWin.nrow, szHint.width,
533	szHint.height));
534	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	622	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
535	szHint.win_gravity = NorthWestGravity;	623	szHint.win_gravity = NorthWestGravity;
536	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	624	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
537		625
538	recalc_x = recalc_y = 0;	626	recalc_x = recalc_y = 0;
539	flags = 0;	627	flags = 0;
		628
540	if (!parsed_geometry) {	629	if (!parsed_geometry)
		630	{
541	parsed_geometry = 1;	631	parsed_geometry = 1;
		632
542	if (rs[Rs_geometry])	633	if (rs[Rs_geometry])
543	flags = XParseGeometry(rs[Rs_geometry], &x, &y, &w, &h);	634	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		635
544	if (flags & WidthValue) {	636	if (flags & WidthValue)
545	TermWin.ncol = BOUND_POSITIVE_INT16(w);	637	{
		638	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
546	szHint.flags |= USSize;	639	szHint.flags |= USSize;
547	}	640	}
		641
548	if (flags & HeightValue) {	642	if (flags & HeightValue)
549	TermWin.nrow = BOUND_POSITIVE_INT16(h);	643	{
		644	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
550	szHint.flags |= USSize;	645	szHint.flags |= USSize;
551	}	646	}
		647
552	if (flags & XValue) {	648	if (flags & XValue)
		649	{
553	szHint.x = x;	650	szHint.x = x;
554	szHint.flags |= USPosition;	651	szHint.flags |= USPosition;
		652
555	if (flags & XNegative) {	653	if (flags & XNegative)
		654	{
556	recalc_x = 1;	655	recalc_x = 1;
557	szHint.win_gravity = NorthEastGravity;	656	szHint.win_gravity = NorthEastGravity;
558	}	657	}
559	}	658	}
		659
560	if (flags & YValue) {	660	if (flags & YValue)
		661	{
561	szHint.y = y;	662	szHint.y = y;
562	szHint.flags |= USPosition;	663	szHint.flags |= USPosition;
		664
563	if (flags & YNegative) {	665	if (flags & YNegative)
		666	{
564	recalc_y = 1;	667	recalc_y = 1;
		668
565	if (szHint.win_gravity == NorthEastGravity)	669	if (szHint.win_gravity == NorthEastGravity)
566	szHint.win_gravity = SouthEastGravity;	670	szHint.win_gravity = SouthEastGravity;
567	else	671	else
568	szHint.win_gravity = SouthWestGravity;	672	szHint.win_gravity = SouthWestGravity;
569	}	673	}
570	}	674	}
571	}	675	}
		676
572	/* TODO: BOUNDS */	677	/* TODO: BOUNDS */
573	TermWin.width = TermWin.ncol * TermWin.fwidth;	678	width = ncol * fwidth;
574	TermWin.height = TermWin.nrow * TermWin.fheight;	679	height = nrow * fheight;
575	max_width = MAX_COLS * TermWin.fwidth;	680	max_width = MAX_COLS * fwidth;
576	max_height = MAX_ROWS * TermWin.fheight;	681	max_height = MAX_ROWS * fheight;
577		682
578	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	683	szHint.base_width = szHint.base_height = 2 * int_bwidth;
579		684
580	sb_w = mb_h = 0;	685	sb_w = 0;
581	window_vt_x = window_vt_y = 0;	686	window_vt_x = window_vt_y = int_bwidth;
582	if (scrollbar_visible ()) {	687
		688	if (scrollBar.state)
		689	{
583	sb_w = scrollbar_TotalWidth();	690	sb_w = scrollbar_TotalWidth ();
584	szHint.base_width += sb_w;	691	szHint.base_width += sb_w;
585	if (!(Options & Opt_scrollBar_right))	692	if (!OPTION (Opt_scrollBar_right))
586	window_vt_x = sb_w;	693	window_vt_x += sb_w;
587	}	694	}
588	if (menubar_visible ()) {	695
589	mb_h = menuBar_TotalHeight();
590	szHint.base_height += mb_h;
591	window_vt_y = mb_h;
592	}
593	szHint.width_inc = TermWin.fwidth;	696	szHint.width_inc = fwidth;
594	szHint.height_inc = TermWin.fheight;	697	szHint.height_inc = fheight;
595	szHint.min_width = szHint.base_width + szHint.width_inc;	698	szHint.min_width = szHint.base_width + szHint.width_inc;
596	szHint.min_height = szHint.base_height + szHint.height_inc;	699	szHint.min_height = szHint.base_height + szHint.height_inc;
597		700
598	if (width && width - szHint.base_width < max_width) {	701	if (newwidth && newwidth - szHint.base_width < max_width)
		702	{
599	szHint.width = width;	703	szHint.width = newwidth;
600	TermWin.width = width - szHint.base_width;	704	width = newwidth - szHint.base_width;
601	} else {	705	}
602	MIN_IT(TermWin.width, max_width);	706	else
		707	{
		708	min_it (width, max_width);
603	szHint.width = szHint.base_width + TermWin.width;	709	szHint.width = szHint.base_width + width;
604	}	710	}
		711
605	if (height && height - szHint.base_height < max_height) {	712	if (newheight && newheight - szHint.base_height < max_height)
		713	{
606	szHint.height = height;	714	szHint.height = newheight;
607	TermWin.height = height - szHint.base_height;	715	height = newheight - szHint.base_height;
608	} else {	716	}
		717	else
		718	{
609	MIN_IT(TermWin.height, max_height);	719	min_it (height, max_height);
610	szHint.height = szHint.base_height + TermWin.height;	720	szHint.height = szHint.base_height + height;
611	}	721	}
612	if (scrollbar_visible () && (Options & Opt_scrollBar_right))	722
		723	if (scrollBar.state && OPTION (Opt_scrollBar_right))
613	window_sb_x = szHint.width - sb_w;	724	window_sb_x = szHint.width - sb_w;
614		725
615	if (recalc_x)	726	if (recalc_x)
616	szHint.x += (DisplayWidth (Xdisplay, DefaultScreen (Xdisplay))	727	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
617	- szHint.width - 2 * TermWin.ext_bwidth);
618	if (recalc_y)	728	if (recalc_y)
619	szHint.y += (DisplayHeight (Xdisplay, DefaultScreen (Xdisplay))	729	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
620	- szHint.height - 2 * TermWin.ext_bwidth);
621		730
622	TermWin.ncol = TermWin.width / TermWin.fwidth;	731	ncol = width / fwidth;
623	TermWin.nrow = TermWin.height / TermWin.fheight;	732	nrow = height / fheight;
624	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
625	TermWin.ncol, TermWin.nrow, szHint.width,
626	szHint.height));
627	return;
628	}	733	}
629		734
630	/*----------------------------------------------------------------------*/	735	/*----------------------------------------------------------------------*/
631	/*	736	/*
632	* Tell the teletype handler what size the window is.	737	* Tell the teletype handler what size the window is.
633	* Called after a window size change.	738	* Called after a window size change.
634	*/	739	*/
635	void	740	void
636	rxvt_term::tt_winch ()	741	rxvt_term::tt_winch ()
637	{	742	{
		743	if (pty->pty < 0)
		744	return;
		745
638	struct winsize ws;	746	struct winsize ws;
639		747
640	if (cmd_fd < 0)
641	return;
642
643	ws.ws_col = TermWin.ncol;	748	ws.ws_col = ncol;
644	ws.ws_row = TermWin.nrow;	749	ws.ws_row = nrow;
645	ws.ws_xpixel = ws.ws_ypixel = 0;	750	ws.ws_xpixel = width;
646	#ifndef DEBUG_SIZE	751	ws.ws_ypixel = height;
647	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	752	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
648	#else	753
649	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	754	#if 0
650	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	755	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
651	# ifdef SIGWINCH
652	else if (cmd_pid) /* force through to the command */	756	if (cmd_pid) /* force through to the command */
653	kill (cmd_pid, SIGWINCH);	757	kill (-cmd_pid, SIGWINCH);
654	# endif
655	#endif	758	#endif
656	}	759	}
657		760
658	/*----------------------------------------------------------------------*/	761	/*----------------------------------------------------------------------*/
659	/* rxvt_change_font() - Switch to a new font */	762	/* set_fonts () - load and set the various fonts
660	/*	763	*
661	* init = 1 - initialize	764	* init = 1 - initialize
662	*	765	*
663	* fontname == FONT_UP - switch to bigger font	766	* fontname == FONT_UP - switch to bigger font
664	* fontname == FONT_DN - switch to smaller font	767	* fontname == FONT_DN - switch to smaller font
665	*/	768	*/
666	void	769	bool
667	rxvt_term::change_font (int init, const char *fontname)	770	rxvt_term::set_fonts ()
668	{	771	{
669	}	772	rxvt_fontset *fs = new rxvt_fontset (this);
		773	rxvt_fontprop prop;
670		774
671	void	775	if (!fs
672	rxvt_term::font_up_down (int n, int direction)	776	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		777	|| !fs->realize_font (1))
		778	{
		779	delete fs;
		780	return false;
		781	}
		782
		783	#if ENABLE_STYLES
		784	for (int i = RS_styleCount; --i; )
		785	if (fontset[i] != fontset[0])
		786	delete fontset[i];
		787	#endif
		788
		789	delete fontset[0];
		790	fontset[0] = fs;
		791
		792	prop = (*fs)[1]->properties ();
		793	prop.height += lineSpace;
		794	fs->set_prop (prop);
		795
		796	fwidth = prop.width;
		797	fheight = prop.height;
		798	fbase = prop.ascent;
		799
		800	for (int style = 1; style < 4; style++)
		801	{
		802	#if ENABLE_STYLES
		803	const char *res = rs[Rs_font + style];
		804
		805	if (res && !*res)
		806	fontset[style] = fontset[0];
		807	else
		808	{
		809	fontset[style] = fs = new rxvt_fontset (this);
		810	rxvt_fontprop prop2 = prop;
		811
		812	if (res)
		813	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		814	else
		815	{
		816	res = fontset[0]->fontdesc;
		817
		818	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		819	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		820	}
		821
		822	fs->populate (res);
		823	fs->set_prop (prop2);
		824	}
		825	#else
		826	fontset[style] = fontset[0];
		827	#endif
		828	}
		829
		830	if (parent[0])
		831	{
		832	resize_all_windows (0, 0, 0);
		833	scr_remap_chars ();
		834	scr_touch (true);
		835	}
		836
		837	return true;
		838	}
		839
		840	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
673	{	841	{
		842	XChangeProperty (display->display, parent[0],
		843	prop, XA_STRING, 8, PropModeReplace,
		844	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		845	}
		846
		847	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		848	{
		849	wchar_t *ws = rxvt_mbstowcs (str, len);
		850	char *s = rxvt_wcstoutf8 (ws);
		851
		852	XChangeProperty (display->display, parent[0],
		853	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		854	(const unsigned char *)s, strlen (s));
		855
		856	free (s);
		857	free (ws);
674	}	858	}
675		859
676	/*----------------------------------------------------------------------*/	860	/*----------------------------------------------------------------------*/
677	/*----------------------------------------------------------------------*/	861	/*----------------------------------------------------------------------*/
678	/* xterm sequences - title, iconName, color (exptl) */	862	/* xterm sequences - title, iconName, color (exptl) */
679	void	863	void
680	rxvt_term::set_title (const char *str)	864	rxvt_term::set_title (const char *str)
681	{	865	{
682	#ifndef SMART_WINDOW_TITLE	866	set_string_property (XA_WM_NAME, str);
683	XStoreName(Xdisplay, TermWin.parent[0], str);	867	#if ENABLE_EWMH
684	#else	868	set_utf8_property (xa[XA_NET_WM_NAME], str);
685	char *name;
686
687	if (XFetchName(Xdisplay, TermWin.parent[0], &name) == 0)
688	name = NULL;
689	if (name == NULL || STRCMP(name, str))
690	XStoreName(Xdisplay, TermWin.parent[0], str);
691	if (name)
692	XFree(name);
693	#endif	869	#endif
694	}	870	}
695		871
696	void	872	void
697	rxvt_term::set_iconName (const char *str)	873	rxvt_term::set_icon_name (const char *str)
698	{	874	{
699	#ifndef SMART_WINDOW_TITLE	875	set_string_property (XA_WM_ICON_NAME, str);
700	XSetIconName(Xdisplay, TermWin.parent[0], str);	876	#if ENABLE_EWMH
701	#else	877	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
702	char *name;
703
704	if (XGetIconName(Xdisplay, TermWin.parent[0], &name))
705	name = NULL;
706	if (name == NULL || STRCMP(name, str))
707	XSetIconName(Xdisplay, TermWin.parent[0], str);
708	if (name)
709	XFree(name);
710	#endif	878	#endif
711	}	879	}
712		880
713	#ifdef XTERM_COLOR_CHANGE	881	#ifdef XTERM_COLOR_CHANGE
714	void	882	void
715	rxvt_term::set_window_color (int idx, const char *color)	883	rxvt_term::set_window_color (int idx, const char *color)
716	{	884	{
717	rxvt_color xcol;	885	rxvt_color xcol;
718	int i;	886	int i;
719		887
720	if (color == NULL || *color == '\0')	888	if (color == NULL || *color == '\0')
721	return;	889	return;
722		890
723	/* handle color aliases */	891	/* handle color aliases */
724	if (isdigit(*color)) {	892	if (isdigit (*color))
		893	{
725	i = atoi(color);	894	i = atoi (color);
		895
		896	if (i >= 8 && i <= 15)
726	if (i >= 8 && i <= 15) { /* bright colors */	897	{ /* bright colors */
727	i -= 8;	898	i -= 8;
728	# ifndef NO_BRIGHTCOLOR
729	PixColors[idx] = PixColors[minBrightCOLOR + i];	899	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
730	SET_PIXCOLOR(idx);	900	SET_PIXCOLOR (idx);
731	goto Done;	901	goto done;
		902	}
		903
		904	if (i >= 0 && i <= 7)
		905	{ /* normal colors */
		906	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		907	SET_PIXCOLOR (idx);
		908	goto done;
		909	}
		910	}
		911
		912	if (!rXParseAllocColor (&xcol, color))
		913	return;
		914
		915	/* XStoreColor (display->display, display->cmap, XColor*); */
		916
		917	/*
		918	* FIXME: should free colors here, but no idea how to do it so instead,
		919	* so just keep gobbling up the colormap
		920	*/
		921	# if 0
		922	for (i = Color_Black; i <= Color_White; i++)
		923	if (pix_colors[idx] == pix_colors[i])
		924	break;
		925	if (i > Color_White)
		926	{
		927	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
		928	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
		929	DisplayPlanes (display->display, display->screen));
		930	}
732	# endif	931	# endif
733	}
734	if (i >= 0 && i <= 7) { /* normal colors */
735	PixColors[idx] = PixColors[minCOLOR + i];
736	SET_PIXCOLOR(idx);
737	goto Done;
738	}
739	}
740	if (!rXParseAllocColor (& xcol, color))
741	return;
742	/* XStoreColor (Xdisplay, XCMAP, XColor*); */
743		932
744	/*	933	pix_colors_focused[idx] = xcol;
745	* FIXME: should free colors here, but no idea how to do it so instead,
746	* so just keep gobbling up the colormap
747	*/
748	# if 0
749	for (i = Color_Black; i <= Color_White; i++)
750	if (PixColors[idx] == PixColors[i])
751	break;
752	if (i > Color_White) {
753	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
754	XFreeColors(Xdisplay, XCMAP, (PixColors + idx), 1,
755	DisplayPlanes(Xdisplay, Xscreen));
756	}
757	# endif
758
759	PixColors[idx] = xcol;
760	SET_PIXCOLOR(idx);	934	SET_PIXCOLOR (idx);
761		935
762	/* XSetWindowAttributes attr; */	936	/* XSetWindowAttributes attr; */
763	/* Cursor cursor; */	937	/* Cursor cursor; */
764	Done:	938	done:
765	if (idx == Color_bg && !(Options & Opt_transparent))
766	XSetWindowBackground(Xdisplay, TermWin.vt,
767	PixColors[Color_bg]);
768		939
		940	#if OFF_FOCUS_FADING
		941	if (rs[Rs_fade])
		942	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
		943	#endif
		944
769	/* handle Color_BD, scrollbar background, etc. */	945	/*TODO: handle Color_BD, scrollbar background, etc. */
770		946
771	set_colorfgbg ();
772	recolour_cursor ();	947	recolour_cursor ();
773	/* the only reasonable way to enforce a clean update */	948	scr_recolour ();
774	scr_poweron ();
775	}	949	}
776		950
777	#else	951	#else
778	# define set_window_color (idx,color) ((void)0)	952	# define set_window_color (idx,color) ((void)0)
779	#endif /* XTERM_COLOR_CHANGE */	953	#endif /* XTERM_COLOR_CHANGE */
780		954
781	void	955	void
782	rxvt_term::recolour_cursor ()	956	rxvt_term::recolour_cursor ()
783	{	957	{
784	#if TODO
785	rxvt_color xcol[2];	958	XColor xcol[2];
786		959
787	xcol[0] = PixColors[Color_pointer];	960	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
788	xcol[1] = PixColors[Color_bg];	961	? pix_colors_focused[Color_pointer_fg]
789	XQueryColors (Xdisplay, XCMAP, xcol, 2);	962	: pix_colors_focused[Color_fg];
		963	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		964	? pix_colors_focused[Color_pointer_bg]
		965	: pix_colors_focused[Color_bg];
		966
		967	XQueryColors (display->display, display->cmap, xcol, 2);
790	XRecolorCursor (Xdisplay, TermWin_cursor, &(xcol[0]), &(xcol[1]));	968	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
791	#endif
792	}	969	}
793		970
794	/*----------------------------------------------------------------------*/	971	/*----------------------------------------------------------------------*/
795	/*	972	/*
796	* find if fg/bg matches any of the normal (low-intensity) colors	973	* find if fg/bg matches any of the normal (low-intensity) colors
797	*/	974	*/
798	void	975	void
799	rxvt_term::set_colorfgbg ()	976	rxvt_term::set_colorfgbg ()
800	{	977	{
801	unsigned int i;	978	unsigned int i;
802	const char *xpmb = "\0";	979	const char *xpmb = "\0";
803	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	980	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
804		981
805	env_colorfgbg =
806	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	982	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
807	STRCPY(fstr, "default");	983	strcpy (fstr, "default");
808	STRCPY(bstr, "default");	984	strcpy (bstr, "default");
809	for (i = Color_Black; i <= Color_White; i++)	985	for (i = Color_Black; i <= Color_White; i++)
810	if (PixColors[Color_fg] == PixColors[i]) {	986	if (pix_colors[Color_fg] == pix_colors[i])
		987	{
811	sprintf(fstr, "%d", (i - Color_Black));	988	sprintf (fstr, "%d", (i - Color_Black));
812	break;	989	break;
813	}	990	}
		991
814	for (i = Color_Black; i <= Color_White; i++)	992	for (i = Color_Black; i <= Color_White; i++)
815	if (PixColors[Color_bg] == PixColors[i]) {	993	if (pix_colors[Color_bg] == pix_colors[i])
		994	{
816	sprintf(bstr, "%d", (i - Color_Black));	995	sprintf (bstr, "%d", (i - Color_Black));
817	#ifdef XPM_BACKGROUND	996	#ifdef XPM_BACKGROUND
818	xpmb = "default;";	997	xpmb = "default;";
819	#endif	998	#endif
820	break;	999	break;
821	}	1000	}
		1001
822	sprintf(env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1002	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
823	putenv(env_colorfgbg);
824
825	#ifndef NO_BRIGHTCOLOR
826	colorfgbg = DEFAULT_RSTYLE;
827	for (i = minCOLOR; i <= maxCOLOR; i++) {
828	if (PixColors[Color_fg] == PixColors[i])
829	colorfgbg = SET_FGCOLOR(colorfgbg, i);
830	if (PixColors[Color_bg] == PixColors[i])
831	colorfgbg = SET_BGCOLOR(colorfgbg, i);
832	}
833	#endif
834	}	1003	}
835		1004
836	/*----------------------------------------------------------------------*/	1005	/*----------------------------------------------------------------------*/
837	/*
838	* Colour determination for low colour displays, routine from
839	* Hans de Goede <hans@highrise.nl>
840	*/
841		1006
842	int	1007	int
843	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	1008	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
844	{	1009	{
845	if (!screen_in_out->set (this, colour)) {	1010	if (!screen_in_out->set (display, colour))
846	rxvt_print_error("can't allocate colour: %s", colour);	1011	{
		1012	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
847	return false;	1013	return false;
848	}	1014	}
849		1015
850	return true;	1016	return true;
851	}	1017	}
852		1018
853	/* -------------------------------------------------------------------- *	1019	/* -------------------------------------------------------------------- *
854	* - WINDOW RESIZING - *	1020	* - WINDOW RESIZING - *
855	* -------------------------------------------------------------------- */	1021	* -------------------------------------------------------------------- */
856	void	1022	void
857	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	1023	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
858	{	1024	{
859	int fix_screen;	1025	int fix_screen;
		1026	int old_width = szHint.width;
		1027	int old_height = szHint.height;
		1028	dDisp;
860		1029
861	#ifdef SMART_RESIZE
862	int old_width = szHint.width, old_height = szHint.height;
863	#endif
864
865	window_calc (width, height);	1030	window_calc (newwidth, newheight);
866	XSetWMNormalHints (Xdisplay, TermWin.parent[0], &szHint);	1031	XSetWMNormalHints (disp, parent[0], &szHint);
		1032
867	if (!ignoreparent)	1033	if (!ignoreparent)
868	{	1034	{
869	#ifdef SMART_RESIZE	1035	#ifdef SMART_RESIZE
870	/*	1036	/*
871	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1037	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
874	int x, y, x1, y1;	1040	int x, y, x1, y1;
875	int dx, dy;	1041	int dx, dy;
876	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1042	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
877	Window unused_cr;	1043	Window unused_cr;
878		1044
879	XTranslateCoordinates (Xdisplay, TermWin.parent[0], Xroot,	1045	XTranslateCoordinates (disp, parent[0], display->root,
880	0, 0, &x, &y, &unused_cr);	1046	0, 0, &x, &y, &unused_cr);
881	XGetGeometry (Xdisplay, TermWin.parent[0], &unused_cr, &x1, &y1,	1047	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
882	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1048	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
883	/*	1049	/*
884	* if Xroot isn't the parent window, a WM will probably have offset	1050	* if display->root isn't the parent window, a WM will probably have offset
885	* our position for handles and decorations. Counter it	1051	* our position for handles and decorations. Counter it
886	*/	1052	*/
887	if (x1 != x || y1 != y) {	1053	if (x1 != x || y1 != y)
		1054	{
888	x -= x1;	1055	x -= x1;
889	y -= y1;	1056	y -= y1;
890	}	1057	}
891		1058
892	x1 = (DisplayWidth (Xdisplay, Xscreen) - old_width) / 2;	1059	x1 = (DisplayWidth (disp, display->screen) - old_width ) / 2;
893	y1 = (DisplayHeight (Xdisplay, Xscreen) - old_height) / 2;	1060	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
894	dx = old_width - szHint.width;	1061	dx = old_width - szHint.width;
895	dy = old_height - szHint.height;	1062	dy = old_height - szHint.height;
896		1063
897	/* Check position of the center of the window */	1064	/* Check position of the center of the window */
898	if (x < x1) /* left half */	1065	if (x < x1) /* left half */
899	dx = 0;	1066	dx = 0;
900	else if (x == x1) /* exact center */	1067	else if (x == x1) /* exact center */
901	dx /= 2;	1068	dx /= 2;
902	if (y < y1) /* top half */	1069	if (y < y1) /* top half */
903	dy = 0;	1070	dy = 0;
904	else if (y == y1) /* exact center */	1071	else if (y == y1) /* exact center */
905	dy /= 2;	1072	dy /= 2;
906		1073
907	XMoveResizeWindow (Xdisplay, TermWin.parent[0], x + dx, y + dy,	1074	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
908	szHint.width, szHint.height);	1075	szHint.width, szHint.height);
909	#else	1076	#else
910	XResizeWindow (Xdisplay, TermWin.parent[0], szHint.width,	1077	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
911	szHint.height);
912	#endif	1078	#endif
913	}	1079	}
914		1080
915	fix_screen = (TermWin.ncol != prev_ncol	1081	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
916	|| TermWin.nrow != prev_nrow);
917		1082
918	if (fix_screen || width != old_width || height != old_height)	1083	if (fix_screen || newwidth != old_width || newheight != old_height)
919	{	1084	{
920	if (scrollbar_visible ())	1085	if (scrollBar.state)
921	{	1086	{
922	XMoveResizeWindow (Xdisplay, scrollBar.win, window_sb_x,	1087	XMoveResizeWindow (disp, scrollBar.win,
		1088	window_sb_x, 0,
923	0, scrollbar_TotalWidth (), szHint.height);	1089	scrollbar_TotalWidth (), szHint.height);
924	resize_scrollbar ();	1090	resize_scrollbar ();
925	}	1091	}
926		1092
927	if (menubar_visible ())	1093	XMoveResizeWindow (disp, vt,
928	XMoveResizeWindow (Xdisplay, menuBar.win, window_vt_x,	1094	window_vt_x, window_vt_y,
929	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
930
931	XMoveResizeWindow (Xdisplay, TermWin.vt, window_vt_x,
932	window_vt_y, TermWin_TotalWidth (),
933	TermWin_TotalHeight ());	1095	width, height);
934	#ifdef RXVT_GRAPHICS	1096
935	if (old_height)
936	Gr_Resize (old_width - szHint.base_width,
937	old_height - szHint.base_height);
938	#endif
939	scr_clear ();	1097	scr_clear ();
940	#ifdef XPM_BACKGROUND	1098	#ifdef XPM_BACKGROUND
941	resize_pixmap ();	1099	resize_pixmap ();
942	#endif	1100	#endif
943	}	1101	}
944		1102
945	if (fix_screen || old_height == 0)	1103	if (fix_screen || old_height == 0)
946	{
947	int curr_screen = -1;
948	int old_ncol = prev_ncol;
949
950	/* scr_reset only works on the primary screen */
951	if (old_height) /* this is not the first time through */
952	{
953	unsigned int ncol = TermWin.ncol;
954	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
955	curr_screen = scr_change_screen (PRIMARY);
956	TermWin.ncol = ncol;
957	}
958
959	scr_reset();	1104	scr_reset ();
960		1105
961	if (curr_screen >= 0) /* this is not the first time through */	1106	#ifdef XPM_BACKGROUND
962	{	1107	if (pixmap)
963	scr_change_screen (curr_screen);	1108	scr_touch (false);
964	selection_check (old_ncol != TermWin.ncol ? 4 : 0);	1109	#endif
965	}
966	}
967
968	old_width = szHint.width;
969	old_height = szHint.height;
970		1110
971	#ifdef USE_XIM	1111	#ifdef USE_XIM
972	IMSetStatusPosition ();	1112	IMSetStatusPosition ();
973	#endif	1113	#endif
974	}	1114	}
…		…
976	/*	1116	/*
977	* Set the width/height of the vt window in characters. Units are pixels.	1117	* Set the width/height of the vt window in characters. Units are pixels.
978	* good for toggling 80/132 columns	1118	* good for toggling 80/132 columns
979	*/	1119	*/
980	void	1120	void
981	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1121	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
982	{	1122	{
983	XWindowAttributes wattr;	1123	XWindowAttributes wattr;
984		1124
985	if (width == 0 || height == 0) {	1125	if (newwidth == 0 || newheight == 0)
		1126	{
986	XGetWindowAttributes(Xdisplay, Xroot, &wattr);	1127	XGetWindowAttributes (display->display, display->root, &wattr);
		1128
987	if (width == 0)	1129	if (newwidth == 0)
988	width = wattr.width - szHint.base_width;	1130	newwidth = wattr.width - szHint.base_width;
989	if (height == 0)	1131	if (newheight == 0)
990	height = wattr.height - szHint.base_height;	1132	newheight = wattr.height - szHint.base_height;
		1133	}
		1134
		1135	if (newwidth != width || newheight != height)
991	}	1136	{
992	if (width != TermWin.width || height != TermWin.height) {
993	width += szHint.base_width;	1137	newwidth += szHint.base_width;
994	height += szHint.base_height;	1138	newheight += szHint.base_height;
995	resize_all_windows (width, height, 0);	1139	resize_all_windows (newwidth, newheight, 0);
996	}	1140	}
997	}	1141	}
998		1142
999	/* -------------------------------------------------------------------- *	1143	/* -------------------------------------------------------------------- *
1000	* - X INPUT METHOD ROUTINES - *	1144	* - X INPUT METHOD ROUTINES - *
1001	* -------------------------------------------------------------------- */	1145	* -------------------------------------------------------------------- */
1002	#ifdef USE_XIM	1146	#ifdef USE_XIM
1003	void
1004	rxvt_term::set_size (XRectangle *size)
1005	{
1006	size->x = TermWin.int_bwidth;
1007	size->y = TermWin.int_bwidth;
1008	size->width = Width2Pixel(TermWin.ncol);
1009	size->height = Height2Pixel(TermWin.nrow);
1010	}
1011		1147
1012	void	1148	void
1013	rxvt_term::set_color (unsigned long *fg, unsigned long *bg)	1149	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1014	{	1150	{
1015	*fg = PixColors[Color_fg];	1151	fg = pix_colors[Color_fg];
1016	*bg = PixColors[Color_bg];	1152	bg = pix_colors[Color_bg];
		1153	}
		1154
		1155	void
		1156	rxvt_term::im_set_size (XRectangle &size)
		1157	{
		1158	// the int_bwidth terms make no sense to me
		1159	size.x = int_bwidth;
		1160	size.y = int_bwidth;
		1161	size.width = Width2Pixel (ncol) + int_bwidth;
		1162	size.height = Height2Pixel (nrow) + int_bwidth;
		1163	}
		1164
		1165	void
		1166	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1167	XRectangle &status_rect,
		1168	const XRectangle &needed_rect)
		1169	{
		1170	preedit_rect.x = needed_rect.width;
		1171	preedit_rect.y = 0;
		1172	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1173	preedit_rect.height = fheight;
		1174
		1175	status_rect.x = 0;
		1176	status_rect.y = 0;
		1177	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1178	status_rect.height = fheight;
1017	}	1179	}
1018		1180
1019	/* Checking whether input method is running. */	1181	/* Checking whether input method is running. */
1020	bool	1182	bool
1021	rxvt_term::IMisRunning ()	1183	rxvt_term::IMisRunning ()
1022	{	1184	{
1023	char *p;	1185	char *p;
1024	Atom atom;	1186	Atom atom;
1025	Window win;	1187	Window win;
1026	char server[IMBUFSIZ];	1188	char server[IMBUFSIZ];
1027		1189
1028	/* get current locale modifier */	1190	/* get current locale modifier */
1029	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1191	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1192	{
1030	STRCPY(server, "@server=");	1193	strcpy (server, "@server=");
1031	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1194	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1195
1032	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1196	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1033	*p = '\0';	1197	*p = '\0';
1034		1198
1035	atom = XInternAtom(Xdisplay, server, False);	1199	atom = XInternAtom (display->display, server, False);
1036	win = XGetSelectionOwner(Xdisplay, atom);	1200	win = XGetSelectionOwner (display->display, atom);
		1201
1037	if (win != None)	1202	if (win != None)
1038	return True;	1203	return True;
1039	}	1204	}
		1205
1040	return False;	1206	return False;
1041	}	1207	}
1042		1208
1043	void	1209	void
1044	rxvt_term::IMSendSpot ()	1210	rxvt_term::IMSendSpot ()
1045	{	1211	{
1046	XPoint spot;	1212	XPoint nspot;
1047	XVaNestedList preedit_attr;	1213	XVaNestedList preedit_attr;
1048		1214
1049	if (Input_Context == NULL	1215	if (!Input_Context
		1216	|| !focus
1050	|| !TermWin.focus || !(input_style & XIMPreeditPosition)	1217	|| !(input_style & XIMPreeditPosition))
1051	|| !(event_type == KeyPress
1052	|| event_type == Expose
1053	|| event_type == NoExpose
1054	|| event_type == SelectionNotify
1055	|| event_type == ButtonRelease || event_type == FocusIn)
1056	|| !IMisRunning ())
1057	return;	1218	return;
1058		1219
1059	set_position (&spot);	1220	im_set_position (nspot);
1060		1221
		1222	if (nspot.x == spot.x && nspot.y == spot.y)
		1223	return;
		1224
		1225	spot = nspot;
		1226
1061	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1227	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1062	XSetICValues(Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1228	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1063	XFree(preedit_attr);	1229	XFree (preedit_attr);
1064	}	1230	}
1065		1231
1066	void	1232	void
1067	rxvt_term::set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,	1233	rxvt_term::im_destroy ()
1068	XRectangle * needed_rect)
1069	{	1234	{
1070	int mbh, vtx = 0;	1235	if (input_method)
		1236	{
		1237	if (Input_Context && input_method->xim)
		1238	XDestroyIC (Input_Context);
1071		1239
1072	if (scrollbar_visible () && !(Options & Opt_scrollBar_right))	1240	display->put_xim (input_method);
1073	vtx = scrollbar_TotalWidth();	1241	input_method = 0;
		1242	}
1074		1243
1075	mbh = menubar_visible () ? menuBar_TotalHeight() : 0;	1244	Input_Context = 0;
1076	mbh -= TermWin.lineSpace;
1077
1078	preedit_rect->x = needed_rect->width + vtx;
1079	preedit_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1080
1081	preedit_rect->width = Width2Pixel(TermWin.ncol + 1) - needed_rect->width + vtx;
1082	preedit_rect->height = Height2Pixel(1);
1083
1084	status_rect->x = vtx;
1085	status_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1086
1087	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel(TermWin.ncol + 1);
1088	status_rect->height = Height2Pixel(1);
1089	}
1090
1091	/* ARGSUSED */
1092	/* EXTPROTO */
1093	void
1094	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1095	__attribute__ ((unused)), XPointer call_data
1096	__attribute__ ((unused)))
1097	{
1098	GET_R->Input_Context = NULL;
1099	/* To avoid Segmentation Fault in C locale: Solaris only? */
1100	if (STRCMP (GET_R->locale, "C"))
1101	XRegisterIMInstantiateCallback(GET_R->Xdisplay, NULL, NULL, NULL,
1102	rxvt_IMInstantiateCallback, NULL);
1103	}	1245	}
1104		1246
1105	/*	1247	/*
1106	* Try to open a XIM with the current modifiers, then see if we can	1248	* Try to open a XIM with the current modifiers, then see if we can
1107	* open a suitable preedit type	1249	* open a suitable preedit type
1108	*/	1250	*/
1109	bool	1251	bool
1110	rxvt_term::IM_get_IC ()	1252	rxvt_term::IM_get_IC (const char *modifiers)
1111	{	1253	{
1112	int i, j, found;	1254	int i, j, found;
1113	XIM xim;	1255	XIM xim;
1114	XPoint spot;	1256	XPoint spot;
1115	XRectangle rect, status_rect, needed_rect;	1257	XRectangle rect, status_rect, needed_rect;
1116	unsigned long fg, bg;	1258	unsigned long fg, bg;
1117	const char *p;	1259	const char *p;
1118	char **s;	1260	char **s;
1119	XIMStyles *xim_styles;	1261	XIMStyles *xim_styles;
1120	XVaNestedList preedit_attr, status_attr;
1121	XIMCallback ximcallback;
1122		1262
1123	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1263	set_environ (envv);
1124	xim = XOpenIM (Xdisplay, NULL, NULL, NULL);	1264
1125	if (xim == NULL)	1265	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1126	return False;	1266	return false;
1127		1267
		1268	input_method = display->get_xim (locale, modifiers);
		1269	if (input_method == NULL)
		1270	return false;
		1271
		1272	xim = input_method->xim;
		1273	spot.x = spot.y = -1;
		1274
1128	xim_styles = NULL;	1275	xim_styles = NULL;
1129	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1276	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1130	|| !xim_styles || !xim_styles->count_styles) {	1277	|| !xim_styles || !xim_styles->count_styles)
1131	XCloseIM(xim);	1278	{
		1279	im_destroy ();
1132	return False;	1280	return false;
		1281	}
		1282
		1283	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1284
		1285	for (int pi = 0; pi < 2; pi++)
1133	}	1286	{
		1287	p = pet[pi];
1134		1288
1135	p = rs[Rs_preeditType] ? rs[Rs_preeditType]	1289	if (!p)
1136	: "OverTheSpot,OffTheSpot,Root";	1290	continue;
		1291
1137	s = rxvt_splitcommastring(p);	1292	s = rxvt_splitcommastring (p);
		1293
1138	for (i = found = 0; !found && s[i]; i++) {	1294	for (i = found = 0; !found && s[i]; i++)
		1295	{
1139	if (!STRCMP(s[i], "OverTheSpot"))	1296	if (!strcmp (s[i], "OverTheSpot"))
1140	input_style = (XIMPreeditPosition | XIMStatusNothing);	1297	input_style = (XIMPreeditPosition | XIMStatusNothing);
1141	else if (!STRCMP(s[i], "OffTheSpot"))	1298	else if (!strcmp (s[i], "OffTheSpot"))
1142	input_style = (XIMPreeditArea | XIMStatusArea);	1299	input_style = (XIMPreeditArea | XIMStatusArea);
1143	else if (!STRCMP(s[i], "Root"))	1300	else if (!strcmp (s[i], "Root"))
1144	input_style = (XIMPreeditNothing | XIMStatusNothing);	1301	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1302	else if (!strcmp (s[i], "None"))
		1303	input_style = (XIMPreeditNone | XIMStatusNone);
1145		1304
1146	for (j = 0; j < xim_styles->count_styles; j++)	1305	for (j = 0; j < xim_styles->count_styles; j++)
1147	if (input_style == xim_styles->supported_styles[j]) {	1306	if (input_style == xim_styles->supported_styles[j])
		1307	{
		1308	rxvt_freecommastring (s);
		1309
1148	found = 1;	1310	found = 1;
1149	break;	1311	goto foundpet;
1150	}	1312	}
		1313
		1314	}
		1315
		1316	rxvt_freecommastring (s);
1151	}	1317	}
1152	for (i = 0; s[i]; i++)	1318
1153	free(s[i]);	1319	foundpet:
1154	free(s);	1320
1155	XFree(xim_styles);	1321	XFree (xim_styles);
1156		1322
1157	if (!found) {	1323	if (!found)
1158	XCloseIM(xim);	1324	{
		1325	im_destroy ();
1159	return False;	1326	return false;
		1327	}
		1328
		1329	XFontSet fs = 0;
		1330	XVaNestedList preedit_attr = 0, status_attr = 0;
		1331
		1332	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1160	}	1333	{
		1334	// fake us a font-set, please
		1335	char **missing_charset_list;
		1336	int missing_charset_count;
		1337	char *def_string;
		1338	char pat[512];
1161		1339
1162	ximcallback.callback = rxvt_IMDestroyCallback;	1340	sprintf (pat,
		1341	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1342	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1343	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1344	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1345	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1346	"*",
		1347	fheight,
		1348	fheight + 1, fheight - 1,
		1349	fheight - 2, fheight + 2);
1163		1350
1164	/* XXX: not sure why we need this (as well as IC one below) */	1351	fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1165	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1352	&missing_charset_list, &missing_charset_count, &def_string);
1166		1353
1167	preedit_attr = status_attr = NULL;	1354	if (missing_charset_list)
		1355	XFreeStringList (missing_charset_list);
1168		1356
		1357	if (!fs)
		1358	{
		1359	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1360	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1361	}
		1362	}
		1363
1169	if (input_style & XIMPreeditPosition) {	1364	if (input_style & XIMPreeditPosition)
		1365	{
1170	set_size (&rect);	1366	im_set_size (rect);
1171	set_position (&spot);	1367	im_set_position (spot);
1172	set_color (&fg, &bg);	1368	im_set_color (fg, bg);
1173		1369
1174	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1370	preedit_attr = XVaCreateNestedList (0,
		1371	XNForeground, fg,
		1372	XNBackground, bg,
		1373	XNArea, &rect,
1175	XNSpotLocation, &spot,	1374	XNSpotLocation, &spot,
1176	XNForeground, fg, XNBackground, bg,
1177	//XNFontSet, TermWin.fontset,	1375	XNFontSet, fs,
1178	NULL);
1179	} else if (input_style & XIMPreeditArea) {
1180	set_color (&fg, &bg);
1181
1182	/*
1183	* The necessary width of preedit area is unknown
1184	* until create input context.
1185	*/
1186	needed_rect.width = 0;
1187
1188	set_preedit_area(&rect, &status_rect, &needed_rect);
1189
1190	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1191	XNForeground, fg, XNBackground, bg,
1192	//XNFontSet, TermWin.fontset,
1193	NULL);
1194	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1195	XNForeground, fg, XNBackground, bg,
1196	//XNFontSet, TermWin.fontset,
1197	NULL);	1376	NULL);
1198	}	1377	}
1199	Input_Context = XCreateIC(xim, XNInputStyle, input_style,	1378	else if (input_style & XIMPreeditArea)
		1379	{
		1380	im_set_color (fg, bg);
		1381
		1382	/*
		1383	* The necessary width of preedit area is unknown
		1384	* until create input context.
		1385	*/
		1386	needed_rect.width = 0;
		1387	im_set_preedit_area (rect, status_rect, needed_rect);
		1388
		1389	preedit_attr = XVaCreateNestedList (0,
		1390	XNForeground, fg,
		1391	XNBackground, bg,
		1392	XNArea, &rect,
		1393	XNFontSet, fs,
		1394	NULL);
		1395	status_attr = XVaCreateNestedList (0,
		1396	XNForeground, fg,
		1397	XNBackground, bg,
		1398	XNArea, &status_rect,
		1399	XNFontSet, fs,
		1400	NULL);
		1401	}
		1402
		1403	Input_Context = XCreateIC (xim,
		1404	XNInputStyle, input_style,
1200	XNClientWindow, TermWin.parent[0],	1405	XNClientWindow, vt,
1201	XNFocusWindow, TermWin.parent[0],	1406	XNFocusWindow, parent[0],
1202	XNDestroyCallback, &ximcallback,
1203	preedit_attr ? XNPreeditAttributes : NULL,	1407	preedit_attr ? XNPreeditAttributes : NULL,
1204	preedit_attr,	1408	preedit_attr,
1205	status_attr ? XNStatusAttributes : NULL,	1409	status_attr ? XNStatusAttributes : NULL,
1206	status_attr, NULL);	1410	status_attr, NULL);
1207	if (preedit_attr)	1411
1208	XFree(preedit_attr);	1412	if (preedit_attr) XFree (preedit_attr);
1209	if (status_attr)	1413	if (status_attr) XFree (status_attr);
1210	XFree(status_attr);	1414	if (fs) XFreeFontSet (display->display, fs);
		1415
1211	if (Input_Context == NULL) {	1416	if (Input_Context == NULL)
1212	rxvt_print_error("failed to create input context");	1417	{
1213	XCloseIM(xim);	1418	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1419	im_destroy ();
1214	return False;	1420	return false;
1215	}	1421	}
		1422
		1423	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1424	vt_select_input ();
		1425
1216	if (input_style & XIMPreeditArea)	1426	if (input_style & XIMPreeditArea)
1217	IMSetStatusPosition ();	1427	IMSetStatusPosition ();
1218	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));	1428
1219	return True;	1429	return true;
1220	}	1430	}
1221		1431
1222	/*
1223	* X manual pages and include files don't match on some systems:
1224	* some think this is an XIDProc and others an XIMProc so we can't
1225	* use the first argument - need to update this to be nice for
1226	* both types via some sort of configure detection
1227	*/
1228	/* ARGSUSED */
1229	/* EXTPROTO */
1230	void	1432	void
1231	rxvt_IMInstantiateCallback(Display * unused	1433	rxvt_term::im_cb ()
1232	__attribute__ ((unused)), XPointer client_data
1233	__attribute__ ((unused)), XPointer call_data
1234	__attribute__ ((unused)))
1235	{	1434	{
1236	int i, found, had_im;	1435	int i;
1237	const char *p;	1436	const char *p;
1238	char **s;	1437	char **s;
1239	char buf[IMBUFSIZ];	1438	char buf[IMBUFSIZ];
1240		1439
1241	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1440	make_current ();
		1441
		1442	im_destroy ();
		1443
1242	if (GET_R->Input_Context)	1444	if (Input_Context)
1243	return;	1445	return;
1244		1446
1245	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1447	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1246	if (GET_R->rs[Rs_imLocale])	1448	if (rs[Rs_imLocale])
1247	setlocale (LC_CTYPE, GET_R->rs[Rs_imLocale]);	1449	SET_LOCALE (rs[Rs_imLocale]);
1248	#endif	1450	#endif
1249		1451
1250	p = GET_R->rs[Rs_inputMethod];	1452	p = rs[Rs_inputMethod];
1251	if (p && *p)	1453	if (p && *p)
1252	{	1454	{
1253	bool found = false;	1455	bool found = false;
1254		1456
1255	s = rxvt_splitcommastring (p);	1457	s = rxvt_splitcommastring (p);
		1458
1256	for (i = 0; s[i]; i++)	1459	for (i = 0; s[i]; i++)
1257	{	1460	{
1258	if (*s[i])	1461	if (*s[i])
1259	{	1462	{
1260	STRCPY (buf, "@im=");	1463	strcpy (buf, "@im=");
1261	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1464	strncat (buf, s[i], IMBUFSIZ - 5);
1262	if ((p = XSetLocaleModifiers (buf)) && *p && GET_R->IM_get_IC ())	1465	if (IM_get_IC (buf))
1263	{	1466	{
1264	found = true;	1467	found = true;
1265	break;	1468	break;
1266	}	1469	}
1267	}	1470	}
1268	}	1471	}
1269	for (i = 0; s[i]; i++)	1472
1270	free(s[i]);	1473	rxvt_freecommastring (s);
1271	free(s);
1272		1474
1273	if (found)	1475	if (found)
1274	goto done;	1476	goto done;
1275	}	1477	}
1276		1478
1277	/* try with XMODIFIERS env. var. */	1479	/* try with XMODIFIERS env. var. */
1278	if ((p = XSetLocaleModifiers ("")) && *p	1480	if (IM_get_IC (""))
1279	&& GET_R->IM_get_IC ())
1280	goto done;	1481	goto done;
1281		1482
1282	/* try with no modifiers base IF the user didn't specify an IM */	1483	/* try with no modifiers base IF the user didn't specify an IM */
1283	if ((p = XSetLocaleModifiers ("@im=none")) && *p	1484	if (IM_get_IC ("@im=none"))
1284	&& GET_R->IM_get_IC () == True)
1285	goto done;	1485	goto done;
1286		1486
1287	done:	1487	done:
1288	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1488	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1289	if (GET_R->rs[Rs_imLocale])	1489	if (rs[Rs_imLocale])
1290	setlocale (LC_CTYPE, GET_R->locale);	1490	SET_LOCALE (locale);
1291	#endif	1491	#endif
1292	}	1492	}
1293		1493
1294	void	1494	void
1295	rxvt_term::IMSetStatusPosition ()	1495	rxvt_term::IMSetStatusPosition ()
1296	{	1496	{
1297	XRectangle preedit_rect, status_rect, *needed_rect;	1497	XRectangle preedit_rect, status_rect, *needed_rect;
1298	XVaNestedList preedit_attr, status_attr;	1498	XVaNestedList preedit_attr, status_attr;
1299		1499
1300	if (Input_Context == NULL	1500	if (!Input_Context
		1501	|| !focus
1301	|| !TermWin.focus || !(input_style & XIMPreeditArea)	1502	|| !(input_style & XIMPreeditArea)
1302	|| !IMisRunning ())	1503	|| !IMisRunning ())
1303	return;	1504	return;
1304		1505
1305	/* Getting the necessary width of preedit area */	1506	/* Getting the necessary width of preedit area */
1306	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1507	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1307	XGetICValues(Input_Context, XNStatusAttributes, status_attr, NULL);	1508	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1308	XFree(status_attr);	1509	XFree (status_attr);
1309		1510
1310	set_preedit_area(&preedit_rect, &status_rect, needed_rect);	1511	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1512	XFree (needed_rect);
1311		1513
1312	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1514	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1313	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1515	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1314		1516
1315	XSetICValues(Input_Context,	1517	XSetICValues (Input_Context,
1316	XNPreeditAttributes, preedit_attr,	1518	XNPreeditAttributes, preedit_attr,
1317	XNStatusAttributes, status_attr, NULL);	1519	XNStatusAttributes, status_attr, NULL);
1318		1520
1319	XFree(preedit_attr);	1521	XFree (preedit_attr);
1320	XFree(status_attr);	1522	XFree (status_attr);
1321	}	1523	}
1322	#endif /* USE_XIM */	1524	#endif /* USE_XIM */
1323		1525
1324	/*----------------------------------------------------------------------*/
1325	rxvt_t rxvt_current_term;
1326
1327	/*----------------------- end-of-file (C source) -----------------------*/	1526	/*----------------------- end-of-file (C source) -----------------------*/

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