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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.21 by pcg, Thu Jan 29 23:26:01 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	* $Id: main.C,v 1.21 2004/01/29 23:26:01 pcg Exp $
5	*	4	*
6	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
7	* 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>
8	* - original version	7	* - original version
9	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>	8	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
…		…
12	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13	* - extensive modifications	12	* - extensive modifications
14	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
17	*	17	*
18	* This program is free software; you can redistribute it and/or modify	18	* This program is free software; you can redistribute it and/or modify
19	* it under the terms of the GNU General Public License as published by	19	* it under the terms of the GNU General Public License as published by
20	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
…		…
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
32		32
33	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	35	#include "keyboard.h"
		36	#include "rxvtperl.h"
36		37
		38	#include <limits>
		39
37	#include <signal.h>	40	#include <csignal>
		41	#include <cstring>
38		42
39	#ifdef TTY_GID_SUPPORT	43	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>	44	# include <grp.h>
41	#endif	45	#endif
42		46
43	#ifdef HAVE_TERMIOS_H	47	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	48	# include <termios.h>
45	#endif	49	#endif
46		50
47	#include <cstring>	51	vector<rxvt_term *> rxvt_term::termlist;
48		52
		53	// used to tell global functions which terminal instance is "active"
		54	rxvt_t rxvt_current_term;
		55
49	static char curlocale[128];	56	static char curlocale[128], savelocale[128];
50		57
51	void	58	bool
52	rxvt_set_locale (const char *locale)	59	rxvt_set_locale (const char *locale) NOTHROW
53	{	60	{
54	if (locale && STRNCMP (locale, curlocale, 128))	61	if (!locale || !strncmp (locale, curlocale, 128))
55	{	62	return false;
		63
56	STRNCPY (curlocale, locale, 128);	64	strncpy (curlocale, locale, 128);
57	setlocale (LC_CTYPE, curlocale);	65	setlocale (LC_CTYPE, curlocale);
58	}	66	return true;
59	}	67	}
60		68
61	void *	69	void
62	rxvt_term::operator new (size_t s)	70	rxvt_push_locale (const char *locale) NOTHROW
63	{	71	{
64	void *p = malloc (s);	72	strcpy (savelocale, curlocale);
		73	rxvt_set_locale (locale);
		74	}
65		75
66	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
67	return p;	141	return len;
68	}
69		142
70	void
71	rxvt_term::operator delete (void *p, size_t s)
72	{
73	free (p);
74	}	143	}
		144	#endif
75		145
76	rxvt_term::rxvt_term ()	146	rxvt_term::rxvt_term ()
77	: destroy_ev (this, &rxvt_term::destroy_cb),	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
78	#ifdef CURSOR_BLINK	154	#ifdef CURSOR_BLINK
79	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),	155	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
80	#endif	156	#endif
81	#ifdef TEXT_BLINK	157	#ifdef TEXT_BLINK
82	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),
83	#endif	168	#endif
84	#ifdef POINTER_BLANK	169	#ifdef POINTER_BLANK
85	pointer_ev (this, &rxvt_term::pointer_cb),	170	pointer_ev (this, &rxvt_term::pointer_cb),
86	#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),
87	x_ev (this, &rxvt_term::x_cb),	179	vt_ev (this, &rxvt_term::x_cb),
		180	child_ev (this, &rxvt_term::child_cb),
88	check_ev (this, &rxvt_term::check_cb),	181	check_ev (this, &rxvt_term::check_cb),
		182	flush_ev (this, &rxvt_term::flush_cb),
		183	destroy_ev (this, &rxvt_term::destroy_cb),
		184	pty_ev (this, &rxvt_term::pty_cb),
89	incr_ev (this, &rxvt_term::incr_cb),	185	incr_ev (this, &rxvt_term::incr_cb)
90	pty_ev (this, &rxvt_term::pty_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	rxvt_privileged_ttydev (this, RESTORE);	285	delete argv;
104	#endif
105	#ifdef UTMP_SUPPORT
106	rxvt_privileged_utmp (this, 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	dR;
160
161	if (!R->init_vars () || !R->init (argc, argv))
162	{
163	delete R;
164	return NULL;
165	}
166
167	return R;
168	}
169
170	/* EXTPROTO */
171	void
172	rxvt_init_signals ()
173	{
174	/* install exit handler for cleanup */
175	#if 0
176	#ifdef HAVE_ATEXIT
177	atexit(rxvt_clean_exit);
178	#else
179	#endif
180	#endif
181
182	struct sigaction sa;
183
184	sigfillset (&sa.sa_mask);
185	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
186	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
187	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
188	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
189	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
190	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
191	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
192
193	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
194	/* signal (SIGURG, SIG_DFL); */
195
196	XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
197	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
198	}
199
200	bool
201	rxvt_term::init (int argc, const char *const *argv)
202	{
203	/*
204	* Save and then give up any super-user privileges
205	* If we need privileges in any area then we must specifically request it.
206	* We should only need to be root in these cases:
207	* 1. write utmp entries on some systems
208	* 2. chown tty on some systems
209	*/
210	rxvt_privileges (this, SAVE);
211	rxvt_privileges (this, IGNORE);
212
213	init_secondary ();
214
215	const char **cmd_argv = init_resources (argc, argv);
216
217	set_locale ("");
218
219	#if (MENUBAR_MAX)
220	rxvt_menubar_read (this, rs[Rs_menu]);
221	#endif
222	#ifdef HAVE_SCROLLBARS
223	if (Options & Opt_scrollBar)
224	scrollBar.setIdle (); /* set existence for size calculations */
225	#endif
226
227	create_windows (argc, argv);
228
229	init_xlocale ();
230
231	scr_reset (); /* initialize screen */
232	#ifdef RXVT_GRAPHICS
233	rxvt_Gr_reset (this); /* reset graphics */
234	#endif
235
236	#if 0
237	#ifdef DEBUG_X
238	XSynchronize(Xdisplay, True);
239	#endif
240	#endif
241
242	#ifdef HAVE_SCROLLBARS
243	if (Options & Opt_scrollBar)
244	resize_scrollbar (); /* create and map scrollbar */
245	#endif
246	#if (MENUBAR_MAX)
247	if (menubar_visible(r))
248	XMapWindow (Xdisplay, menuBar.win);
249	#endif
250	#ifdef TRANSPARENT
251	if (Options & Opt_transparent)
252	{
253	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
254	rxvt_check_our_parents (this);
255	}
256	#endif
257	XMapWindow (Xdisplay, TermWin.vt);
258	XMapWindow (Xdisplay, TermWin.parent[0]);
259
260	init_env ();
261	init_command (cmd_argv);
262
263	x_ev.start (Xfd, EVENT_READ);
264	pty_ev.start (cmd_fd, EVENT_READ);
265
266	check_ev.start ();
267
268	process_x_events ();
269
270	return true;
271	}
272
273	/* ------------------------------------------------------------------------- *
274	* SIGNAL HANDLING & EXIT HANDLER *
275	* ------------------------------------------------------------------------- */
276	/*
277	* Catch a SIGCHLD signal and exit if the direct child has died
278	*/
279	/* ARGSUSED */
280	/* EXTPROTO */
281	RETSIGTYPE
282	rxvt_Child_signal(int sig __attribute__ ((unused)))
283	{
284	int pid, save_errno = errno;
285	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
286	;
287	errno = save_errno;
288
289	#if 0
290	if (pid == R->cmd_pid)
291	exit (EXIT_SUCCESS);
292	#endif
293	}
294
295	/*
296	* Catch a fatal signal and tidy up before quitting
297	*/
298	/* EXTPROTO */
299	RETSIGTYPE
300	rxvt_Exit_signal(int sig)
301	{
302	signal(sig, SIG_DFL);
303	#ifdef DEBUG_CMD
304	rxvt_print_error("signal %d", sig);
305	#endif
306	rxvt_clean_exit();
307	kill(getpid(), sig);
308	}
309
310	/* ARGSUSED */
311	/* INTPROTO */
312	int
313	rxvt_xerror_handler(const Display * display
314	__attribute__ ((unused)), const XErrorEvent * event)
315	{
316	dR;
317
318	if (R->allowedxerror == -1)
319	R->allowedxerror = event->error_code;
320	else
321	{
322	rxvt_print_error("XError: Request: %d . %d, Error: %d",
323	event->request_code, event->minor_code,
324	event->error_code);
325
326	R->destroy ();
327	}
328
329	return 0;
330	}	360	}
331		361
332	/*----------------------------------------------------------------------*/	362	/*----------------------------------------------------------------------*/
333	/*	363	/*
334	* Exit gracefully, clearing the utmp entry and restoring tty attributes	364	* Exit gracefully, clearing the utmp entry and restoring tty attributes
335	* 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
336	*/	366	*/
337	/* 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	*/
338	void	532	void
339	rxvt_clean_exit ()	533	sig_term (sig_watcher &w)
340	{	534	{
341	dR;	535	rxvt_emergency_cleanup ();
		536	signal (w.signum, SIG_DFL);
		537	kill (getpid (), w.signum);
		538	}
342		539
343	R->destroy ();	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 ()
		551	{
		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 ();
344	}	570	}
345		571
346	/* ------------------------------------------------------------------------- *	572	/* ------------------------------------------------------------------------- *
347	* MEMORY ALLOCATION WRAPPERS *	573	* MEMORY ALLOCATION WRAPPERS *
348	* ------------------------------------------------------------------------- */	574	* ------------------------------------------------------------------------- */
349	/* EXTPROTO */	575	void *
350	void *
351	rxvt_malloc(size_t size)	576	rxvt_malloc (size_t size)
352	{	577	{
353	void *p;
354
355	p = malloc(size);	578	void *p = malloc (size);
		579
356	if (p)	580	if (!p)
		581	rxvt_fatal ("memory allocation failure. aborting.\n");
		582
357	return p;	583	return p;
358
359	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
360	rxvt_clean_exit();
361	exit(EXIT_FAILURE);
362	/* NOTREACHED */
363	}	584	}
364		585
365	/* EXTPROTO */	586	void *
366	void *
367	rxvt_calloc(size_t number, size_t size)	587	rxvt_calloc (size_t number, size_t size)
368	{	588	{
369	void *p;
370
371	p = calloc(number, size);	589	void *p = calloc (number, size);
		590
372	if (p)	591	if (!p)
		592	rxvt_fatal ("memory allocation failure. aborting.\n");
		593
373	return p;	594	return p;
374
375	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
376	rxvt_clean_exit();
377	exit(EXIT_FAILURE);
378	/* NOTREACHED */
379	}	595	}
380		596
381	/* EXTPROTO */	597	void *
382	void *
383	rxvt_realloc(void *ptr, size_t size)	598	rxvt_realloc (void *ptr, size_t size)
384	{	599	{
385	void *p;
386
387	if (ptr)
388	p = realloc(ptr, size);	600	void *p = realloc (ptr, size);
389	else	601
390	p = malloc(size);
391	if (p)	602	if (!p)
		603	rxvt_fatal ("memory allocation failure. aborting.\n");
		604
392	return p;	605	return p;
393
394	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
395	rxvt_clean_exit();
396	exit(EXIT_FAILURE);
397	/* NOTREACHED */
398	}	606	}
399
400	/* ------------------------------------------------------------------------- *
401	* PRIVILEGED OPERATIONS *
402	* ------------------------------------------------------------------------- */
403	/* take care of suid/sgid super-user (root) privileges */
404	/* INTPROTO */
405	void
406	rxvt_privileges(pR_ int mode)
407	{
408	#if ! defined(__CYGWIN32__)
409	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
410	/* setreuid() is the poor man's setuid(), seteuid() */
411	# define seteuid(a) setreuid(-1, (a))
412	# define setegid(a) setregid(-1, (a))
413	# define HAVE_SETEUID
414	# endif
415	# ifdef HAVE_SETEUID
416	switch (mode) {
417	case IGNORE:
418	/*
419	* change effective uid/gid - not real uid/gid - so we can switch
420	* back to root later, as required
421	*/
422	seteuid(getuid());
423	setegid(getgid());
424	break;
425	case SAVE:
426	R->euid = geteuid();
427	R->egid = getegid();
428	break;
429	case RESTORE:
430	seteuid(R->euid);
431	setegid(R->egid);
432	break;
433	}
434	# else
435	switch (mode) {
436	case IGNORE:
437	setuid(getuid());
438	setgid(getgid());
439	/* FALLTHROUGH */
440	case SAVE:
441	/* FALLTHROUGH */
442	case RESTORE:
443	break;
444	}
445	# endif
446	#endif
447	}
448
449	#ifdef UTMP_SUPPORT
450	/* EXTPROTO */
451	void
452	rxvt_privileged_utmp(pR_ char action)
453	{
454	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
455	action, R->next_utmp_action, getpid()));
456	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
457	|| (R->Options & Opt_utmpInhibit)
458	|| R->ttydev == NULL || *R->ttydev == '\0')
459	return;
460
461	rxvt_privileges(aR_ RESTORE);
462	if (action == SAVE) {
463	R->next_utmp_action = RESTORE;
464	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
465	} else { /* action == RESTORE */
466	R->next_utmp_action = IGNORE;
467	rxvt_cleanutent(aR);
468	}
469	rxvt_privileges(aR_ IGNORE);
470	}
471	#endif
472
473	#ifndef NO_SETOWNER_TTYDEV
474	/* EXTPROTO */
475	void
476	rxvt_privileged_ttydev(pR_ char action)
477	{
478	D_MAIN((stderr,
479	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
480	action, R->next_tty_action, getpid()));
481	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
482	|| R->ttydev == NULL || *R->ttydev == '\0')
483	return;
484
485	rxvt_privileges(aR_ RESTORE);
486
487	if (action == SAVE) {
488	R->next_tty_action = RESTORE;
489	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
490	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
491	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
492	R->next_tty_action = IGNORE;
493	else
494	# endif
495	{
496	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
497	chmod(R->ttydev, R->ttymode);
498	# ifdef HAVE_REVOKE
499	revoke(R->ttydev);
500	# endif
501	}
502	} else { /* action == RESTORE */
503	R->next_tty_action = IGNORE;
504	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
505	chmod(R->ttydev, R->ttyfd_stat.st_mode);
506	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
507	# else
508	chmod(R->ttydev,
509	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
510	chown(R->ttydev, 0, 0);
511	# endif
512	}
513
514	rxvt_privileges(aR_ IGNORE);
515
516	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
517	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
518	action == RESTORE ? "Restoring" : (action ==
519	SAVE ? "Saving" :
520	"UNKNOWN ERROR for"), R->ttydev,
521	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
522	R->ttyfd_stat.st_gid));
523	# endif
524	}
525	#endif
526		607
527	/*----------------------------------------------------------------------*/	608	/*----------------------------------------------------------------------*/
528	/*	609	/*
529	* window size/position calculcations for XSizeHint and other storage.	610	* window size/position calculcations for XSizeHint and other storage.
530	* if width/height are non-zero then override calculated width/height	611	* if width/height are non-zero then override calculated width/height
531	*/	612	*/
532	void	613	void
533	rxvt_term::window_calc (unsigned int width, unsigned int height)	614	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
534	{	615	{
535	short recalc_x, recalc_y;	616	short recalc_x, recalc_y;
536	int x, y, sb_w, mb_h, flags;	617	int x, y, sb_w, flags;
537	unsigned int w, h;	618	unsigned int w, h;
538	unsigned int max_width, max_height;	619	unsigned int max_width, max_height;
		620	dDisp;
539		621
540	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
541	TermWin.ncol, TermWin.nrow, szHint.width,
542	szHint.height));
543	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	622	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
544	szHint.win_gravity = NorthWestGravity;	623	szHint.win_gravity = NorthWestGravity;
545	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	624	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
546		625
547	recalc_x = recalc_y = 0;	626	recalc_x = recalc_y = 0;
548	flags = 0;	627	flags = 0;
		628
549	if (!parsed_geometry) {	629	if (!parsed_geometry)
		630	{
550	parsed_geometry = 1;	631	parsed_geometry = 1;
		632
551	if (rs[Rs_geometry])	633	if (rs[Rs_geometry])
552	flags = XParseGeometry(rs[Rs_geometry], &x, &y, &w, &h);	634	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		635
553	if (flags & WidthValue) {	636	if (flags & WidthValue)
554	TermWin.ncol = BOUND_POSITIVE_INT16(w);	637	{
		638	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
555	szHint.flags |= USSize;	639	szHint.flags |= USSize;
556	}	640	}
		641
557	if (flags & HeightValue) {	642	if (flags & HeightValue)
558	TermWin.nrow = BOUND_POSITIVE_INT16(h);	643	{
		644	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
559	szHint.flags |= USSize;	645	szHint.flags |= USSize;
560	}	646	}
		647
561	if (flags & XValue) {	648	if (flags & XValue)
		649	{
562	szHint.x = x;	650	szHint.x = x;
563	szHint.flags |= USPosition;	651	szHint.flags |= USPosition;
		652
564	if (flags & XNegative) {	653	if (flags & XNegative)
		654	{
565	recalc_x = 1;	655	recalc_x = 1;
566	szHint.win_gravity = NorthEastGravity;	656	szHint.win_gravity = NorthEastGravity;
567	}	657	}
568	}	658	}
		659
569	if (flags & YValue) {	660	if (flags & YValue)
		661	{
570	szHint.y = y;	662	szHint.y = y;
571	szHint.flags |= USPosition;	663	szHint.flags |= USPosition;
		664
572	if (flags & YNegative) {	665	if (flags & YNegative)
		666	{
573	recalc_y = 1;	667	recalc_y = 1;
		668
574	if (szHint.win_gravity == NorthEastGravity)	669	if (szHint.win_gravity == NorthEastGravity)
575	szHint.win_gravity = SouthEastGravity;	670	szHint.win_gravity = SouthEastGravity;
576	else	671	else
577	szHint.win_gravity = SouthWestGravity;	672	szHint.win_gravity = SouthWestGravity;
578	}	673	}
579	}	674	}
580	}	675	}
		676
581	/* TODO: BOUNDS */	677	/* TODO: BOUNDS */
582	TermWin.width = TermWin.ncol * TermWin.fwidth;	678	width = ncol * fwidth;
583	TermWin.height = TermWin.nrow * TermWin.fheight;	679	height = nrow * fheight;
584	max_width = MAX_COLS * TermWin.fwidth;	680	max_width = MAX_COLS * fwidth;
585	max_height = MAX_ROWS * TermWin.fheight;	681	max_height = MAX_ROWS * fheight;
586		682
587	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	683	szHint.base_width = szHint.base_height = 2 * int_bwidth;
588		684
589	sb_w = mb_h = 0;	685	sb_w = 0;
590	window_vt_x = window_vt_y = 0;	686	window_vt_x = window_vt_y = int_bwidth;
591	if (scrollbar_visible (this)) {	687
		688	if (scrollBar.state)
		689	{
592	sb_w = scrollbar_TotalWidth();	690	sb_w = scrollbar_TotalWidth ();
593	szHint.base_width += sb_w;	691	szHint.base_width += sb_w;
594	if (!(Options & Opt_scrollBar_right))	692	if (!OPTION (Opt_scrollBar_right))
595	window_vt_x = sb_w;	693	window_vt_x += sb_w;
596	}	694	}
597	if (menubar_visible (this)) {	695
598	mb_h = menuBar_TotalHeight();
599	szHint.base_height += mb_h;
600	window_vt_y = mb_h;
601	}
602	szHint.width_inc = TermWin.fwidth;	696	szHint.width_inc = fwidth;
603	szHint.height_inc = TermWin.fheight;	697	szHint.height_inc = fheight;
604	szHint.min_width = szHint.base_width + szHint.width_inc;	698	szHint.min_width = szHint.base_width + szHint.width_inc;
605	szHint.min_height = szHint.base_height + szHint.height_inc;	699	szHint.min_height = szHint.base_height + szHint.height_inc;
606		700
607	if (width && width - szHint.base_width < max_width) {	701	if (newwidth && newwidth - szHint.base_width < max_width)
		702	{
608	szHint.width = width;	703	szHint.width = newwidth;
609	TermWin.width = width - szHint.base_width;	704	width = newwidth - szHint.base_width;
610	} else {	705	}
611	MIN_IT(TermWin.width, max_width);	706	else
		707	{
		708	min_it (width, max_width);
612	szHint.width = szHint.base_width + TermWin.width;	709	szHint.width = szHint.base_width + width;
613	}	710	}
		711
614	if (height && height - szHint.base_height < max_height) {	712	if (newheight && newheight - szHint.base_height < max_height)
		713	{
615	szHint.height = height;	714	szHint.height = newheight;
616	TermWin.height = height - szHint.base_height;	715	height = newheight - szHint.base_height;
617	} else {	716	}
		717	else
		718	{
618	MIN_IT(TermWin.height, max_height);	719	min_it (height, max_height);
619	szHint.height = szHint.base_height + TermWin.height;	720	szHint.height = szHint.base_height + height;
620	}	721	}
621	if (scrollbar_visible (this) && (Options & Opt_scrollBar_right))	722
		723	if (scrollBar.state && OPTION (Opt_scrollBar_right))
622	window_sb_x = szHint.width - sb_w;	724	window_sb_x = szHint.width - sb_w;
623		725
624	if (recalc_x)	726	if (recalc_x)
625	szHint.x += (DisplayWidth (Xdisplay, DefaultScreen (Xdisplay))	727	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
626	- szHint.width - 2 * TermWin.ext_bwidth);
627	if (recalc_y)	728	if (recalc_y)
628	szHint.y += (DisplayHeight (Xdisplay, DefaultScreen (Xdisplay))	729	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
629	- szHint.height - 2 * TermWin.ext_bwidth);
630		730
631	TermWin.ncol = TermWin.width / TermWin.fwidth;	731	ncol = width / fwidth;
632	TermWin.nrow = TermWin.height / TermWin.fheight;	732	nrow = height / fheight;
633	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
634	TermWin.ncol, TermWin.nrow, szHint.width,
635	szHint.height));
636	return;
637	}	733	}
638		734
639	/*----------------------------------------------------------------------*/	735	/*----------------------------------------------------------------------*/
640	/*	736	/*
641	* Tell the teletype handler what size the window is.	737	* Tell the teletype handler what size the window is.
642	* Called after a window size change.	738	* Called after a window size change.
643	*/	739	*/
644	void	740	void
645	rxvt_term::tt_winch ()	741	rxvt_term::tt_winch ()
646	{	742	{
		743	if (pty->pty < 0)
		744	return;
		745
647	struct winsize ws;	746	struct winsize ws;
648		747
649	if (cmd_fd < 0)
650	return;
651
652	ws.ws_col = TermWin.ncol;	748	ws.ws_col = ncol;
653	ws.ws_row = TermWin.nrow;	749	ws.ws_row = nrow;
654	ws.ws_xpixel = ws.ws_ypixel = 0;	750	ws.ws_xpixel = width;
655	#ifndef DEBUG_SIZE	751	ws.ws_ypixel = height;
656	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	752	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
657	#else	753
658	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	754	#if 0
659	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	755	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
660	# ifdef SIGWINCH
661	else if (cmd_pid) /* force through to the command */	756	if (cmd_pid) /* force through to the command */
662	kill (cmd_pid, SIGWINCH);	757	kill (-cmd_pid, SIGWINCH);
663	# endif
664	#endif	758	#endif
665	}	759	}
666		760
667	/*----------------------------------------------------------------------*/	761	/*----------------------------------------------------------------------*/
668	/* rxvt_change_font() - Switch to a new font */	762	/* set_fonts () - load and set the various fonts
669	/*	763	*
670	* init = 1 - initialize	764	* init = 1 - initialize
671	*	765	*
672	* fontname == FONT_UP - switch to bigger font	766	* fontname == FONT_UP - switch to bigger font
673	* fontname == FONT_DN - switch to smaller font	767	* fontname == FONT_DN - switch to smaller font
674	*/	768	*/
675	/* EXTPROTO */	769	bool
676	void	770	rxvt_term::set_fonts ()
677	rxvt_change_font(pR_ int init, const char *fontname)
678	{	771	{
679	}	772	rxvt_fontset *fs = new rxvt_fontset (this);
		773	rxvt_fontprop prop;
680		774
681	/* INTPROTO */	775	if (!fs
682	void	776	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
683	rxvt_font_up_down(pR_ int n, int direction)	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)
684	{	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);
685	}	858	}
686		859
687	/*----------------------------------------------------------------------*/	860	/*----------------------------------------------------------------------*/
688	/*----------------------------------------------------------------------*/	861	/*----------------------------------------------------------------------*/
689	/* xterm sequences - title, iconName, color (exptl) */	862	/* xterm sequences - title, iconName, color (exptl) */
690	/* EXTPROTO */
691	void	863	void
692	rxvt_set_title(pR_ const char *str)	864	rxvt_term::set_title (const char *str)
693	{	865	{
694	#ifndef SMART_WINDOW_TITLE	866	set_string_property (XA_WM_NAME, str);
695	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	867	#if ENABLE_EWMH
		868	set_utf8_property (xa[XA_NET_WM_NAME], str);
		869	#endif
		870	}
		871
		872	void
		873	rxvt_term::set_icon_name (const char *str)
		874	{
		875	set_string_property (XA_WM_ICON_NAME, str);
		876	#if ENABLE_EWMH
		877	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
		878	#endif
		879	}
		880
		881	#ifdef XTERM_COLOR_CHANGE
		882	void
		883	rxvt_term::set_window_color (int idx, const char *color)
		884	{
		885	rxvt_color xcol;
		886	int i;
		887
		888	if (color == NULL || *color == '\0')
		889	return;
		890
		891	/* handle color aliases */
		892	if (isdigit (*color))
		893	{
		894	i = atoi (color);
		895
		896	if (i >= 8 && i <= 15)
		897	{ /* bright colors */
		898	i -= 8;
		899	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
		900	SET_PIXCOLOR (idx);
		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	}
		931	# endif
		932
		933	pix_colors_focused[idx] = xcol;
		934	SET_PIXCOLOR (idx);
		935
		936	/* XSetWindowAttributes attr; */
		937	/* Cursor cursor; */
		938	done:
		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
		945	/*TODO: handle Color_BD, scrollbar background, etc. */
		946
		947	recolour_cursor ();
		948	scr_recolour ();
		949	}
		950
696	#else	951	#else
697	char *name;
698
699	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
700	name = NULL;
701	if (name == NULL || STRCMP(name, str))
702	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
703	if (name)
704	XFree(name);
705	#endif
706	}
707
708	/* EXTPROTO */
709	void
710	rxvt_set_iconName(pR_ const char *str)
711	{
712	#ifndef SMART_WINDOW_TITLE
713	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
714	#else
715	char *name;
716
717	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
718	name = NULL;
719	if (name == NULL || STRCMP(name, str))
720	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
721	if (name)
722	XFree(name);
723	#endif
724	}
725
726	#ifdef XTERM_COLOR_CHANGE
727	/* EXTPROTO */
728	void
729	rxvt_set_window_color(pR_ int idx, const char *color)
730	{
731	rxvt_color xcol;
732	int i;
733
734	if (color == NULL || *color == '\0')
735	return;
736
737	/* handle color aliases */
738	if (isdigit(*color)) {
739	i = atoi(color);
740	if (i >= 8 && i <= 15) { /* bright colors */
741	i -= 8;
742	# ifndef NO_BRIGHTCOLOR
743	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
744	SET_PIXCOLOR(R, idx);
745	goto Done;
746	# endif
747	}
748	if (i >= 0 && i <= 7) { /* normal colors */
749	R->PixColors[idx] = R->PixColors[minCOLOR + i];
750	SET_PIXCOLOR(R, idx);
751	goto Done;
752	}
753	}
754	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
755	return;
756	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
757
758	/*
759	* FIXME: should free colors here, but no idea how to do it so instead,
760	* so just keep gobbling up the colormap
761	*/
762	# if 0
763	for (i = Color_Black; i <= Color_White; i++)
764	if (R->PixColors[idx] == R->PixColors[i])
765	break;
766	if (i > Color_White) {
767	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
768	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
769	DisplayPlanes(R->Xdisplay, Xscreen));
770	}
771	# endif
772
773	R->PixColors[idx] = xcol;
774	SET_PIXCOLOR(R, idx);
775
776	/* XSetWindowAttributes attr; */
777	/* Cursor cursor; */
778	Done:
779	if (idx == Color_bg && !(R->Options & Opt_transparent))
780	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
781	R->PixColors[Color_bg]);
782
783	/* handle Color_BD, scrollbar background, etc. */
784
785	rxvt_set_colorfgbg (aR);
786	R->recolour_cursor ();
787	/* the only reasonable way to enforce a clean update */
788	rxvt_scr_poweron (aR);
789	}
790
791	#else
792	# define rxvt_set_window_color(aR_ idx,color) ((void)0)	952	# define set_window_color (idx,color) ((void)0)
793	#endif /* XTERM_COLOR_CHANGE */	953	#endif /* XTERM_COLOR_CHANGE */
794		954
795	void	955	void
796	rxvt_term::recolour_cursor ()	956	rxvt_term::recolour_cursor ()
797	{	957	{
798	#if TODO
799	rxvt_color xcol[2];	958	XColor xcol[2];
800		959
801	xcol[0] = PixColors[Color_pointer];	960	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
802	xcol[1] = PixColors[Color_bg];	961	? pix_colors_focused[Color_pointer_fg]
803	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);
804	XRecolorCursor (Xdisplay, TermWin_cursor, &(xcol[0]), &(xcol[1]));	968	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
805	#endif
806	}	969	}
807		970
808	/*----------------------------------------------------------------------*/	971	/*----------------------------------------------------------------------*/
809	/*	972	/*
810	* 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
811	*/	974	*/
812	/* INTPROTO */
813	void	975	void
814	rxvt_set_colorfgbg(pR)	976	rxvt_term::set_colorfgbg ()
815	{	977	{
816	unsigned int i;	978	unsigned int i;
817	const char *xpmb = "\0";	979	const char *xpmb = "\0";
818	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	980	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
819		981
820	R->env_colorfgbg =
821	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	982	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
822	STRCPY(fstr, "default");	983	strcpy (fstr, "default");
823	STRCPY(bstr, "default");	984	strcpy (bstr, "default");
824	for (i = Color_Black; i <= Color_White; i++)	985	for (i = Color_Black; i <= Color_White; i++)
825	if (R->PixColors[Color_fg] == R->PixColors[i]) {	986	if (pix_colors[Color_fg] == pix_colors[i])
		987	{
826	sprintf(fstr, "%d", (i - Color_Black));	988	sprintf (fstr, "%d", (i - Color_Black));
827	break;	989	break;
828	}	990	}
		991
829	for (i = Color_Black; i <= Color_White; i++)	992	for (i = Color_Black; i <= Color_White; i++)
830	if (R->PixColors[Color_bg] == R->PixColors[i]) {	993	if (pix_colors[Color_bg] == pix_colors[i])
		994	{
831	sprintf(bstr, "%d", (i - Color_Black));	995	sprintf (bstr, "%d", (i - Color_Black));
832	#ifdef XPM_BACKGROUND	996	#ifdef XPM_BACKGROUND
833	xpmb = "default;";	997	xpmb = "default;";
834	#endif	998	#endif
835	break;	999	break;
836	}	1000	}
		1001
837	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1002	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
838	putenv(R->env_colorfgbg);
839
840	#ifndef NO_BRIGHTCOLOR
841	R->colorfgbg = DEFAULT_RSTYLE;
842	for (i = minCOLOR; i <= maxCOLOR; i++) {
843	if (R->PixColors[Color_fg] == R->PixColors[i])
844	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
845	if (R->PixColors[Color_bg] == R->PixColors[i])
846	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
847	}
848	#endif
849	}	1003	}
850		1004
851	/*----------------------------------------------------------------------*/	1005	/*----------------------------------------------------------------------*/
852	/*
853	* Colour determination for low colour displays, routine from
854	* Hans de Goede <hans@highrise.nl>
855	*/
856		1006
857	/* EXTPROTO */
858	int	1007	int
859	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)	1008	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
860	{	1009	{
861	screen_in_out->set(aR_ colour);
862
863	if (!screen_in_out->set(aR_ colour)) {	1010	if (!screen_in_out->set (display, colour))
864	rxvt_print_error("can't allocate colour: %s", colour);	1011	{
		1012	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
865	return false;	1013	return false;
866	}	1014	}
867		1015
868	return true;	1016	return true;
869	}	1017	}
870		1018
871	/* -------------------------------------------------------------------- *	1019	/* -------------------------------------------------------------------- *
872	* - WINDOW RESIZING - *	1020	* - WINDOW RESIZING - *
873	* -------------------------------------------------------------------- */	1021	* -------------------------------------------------------------------- */
874	void	1022	void
875	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)
876	{	1024	{
877	int fix_screen;	1025	int fix_screen;
		1026	int old_width = szHint.width;
		1027	int old_height = szHint.height;
		1028	dDisp;
878		1029
879	#ifdef SMART_RESIZE
880	int old_width = szHint.width, old_height = szHint.height;
881	#endif
882
883	window_calc (width, height);	1030	window_calc (newwidth, newheight);
884	XSetWMNormalHints (Xdisplay, TermWin.parent[0], &szHint);	1031	XSetWMNormalHints (disp, parent[0], &szHint);
		1032
885	if (!ignoreparent)	1033	if (!ignoreparent)
886	{	1034	{
887	#ifdef SMART_RESIZE	1035	#ifdef SMART_RESIZE
888	/*	1036	/*
889	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1037	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
892	int x, y, x1, y1;	1040	int x, y, x1, y1;
893	int dx, dy;	1041	int dx, dy;
894	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1042	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
895	Window unused_cr;	1043	Window unused_cr;
896		1044
897	XTranslateCoordinates (Xdisplay, TermWin.parent[0], Xroot,	1045	XTranslateCoordinates (disp, parent[0], display->root,
898	0, 0, &x, &y, &unused_cr);	1046	0, 0, &x, &y, &unused_cr);
899	XGetGeometry (Xdisplay, TermWin.parent[0], &unused_cr, &x1, &y1,	1047	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
900	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1048	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
901	/*	1049	/*
902	* 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
903	* our position for handles and decorations. Counter it	1051	* our position for handles and decorations. Counter it
904	*/	1052	*/
905	if (x1 != x || y1 != y) {	1053	if (x1 != x || y1 != y)
		1054	{
906	x -= x1;	1055	x -= x1;
907	y -= y1;	1056	y -= y1;
908	}	1057	}
909		1058
910	x1 = (DisplayWidth (Xdisplay, Xscreen) - old_width) / 2;	1059	x1 = (DisplayWidth (disp, display->screen) - old_width ) / 2;
911	y1 = (DisplayHeight (Xdisplay, Xscreen) - old_height) / 2;	1060	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
912	dx = old_width - szHint.width;	1061	dx = old_width - szHint.width;
913	dy = old_height - szHint.height;	1062	dy = old_height - szHint.height;
914		1063
915	/* Check position of the center of the window */	1064	/* Check position of the center of the window */
916	if (x < x1) /* left half */	1065	if (x < x1) /* left half */
917	dx = 0;	1066	dx = 0;
918	else if (x == x1) /* exact center */	1067	else if (x == x1) /* exact center */
919	dx /= 2;	1068	dx /= 2;
920	if (y < y1) /* top half */	1069	if (y < y1) /* top half */
921	dy = 0;	1070	dy = 0;
922	else if (y == y1) /* exact center */	1071	else if (y == y1) /* exact center */
923	dy /= 2;	1072	dy /= 2;
924		1073
925	XMoveResizeWindow (Xdisplay, TermWin.parent[0], x + dx, y + dy,	1074	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
926	szHint.width, szHint.height);	1075	szHint.width, szHint.height);
927	#else	1076	#else
928	XResizeWindow (Xdisplay, TermWin.parent[0], szHint.width,	1077	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
929	szHint.height);
930	#endif	1078	#endif
931	}	1079	}
932		1080
933	fix_screen = (TermWin.ncol != prev_ncol	1081	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
934	|| TermWin.nrow != prev_nrow);
935		1082
936	if (fix_screen || width != old_width || height != old_height)	1083	if (fix_screen || newwidth != old_width || newheight != old_height)
937	{	1084	{
938	if (scrollbar_visible (this))	1085	if (scrollBar.state)
939	{	1086	{
940	XMoveResizeWindow (Xdisplay, scrollBar.win, window_sb_x,	1087	XMoveResizeWindow (disp, scrollBar.win,
		1088	window_sb_x, 0,
941	0, scrollbar_TotalWidth (), szHint.height);	1089	scrollbar_TotalWidth (), szHint.height);
942	resize_scrollbar ();	1090	resize_scrollbar ();
943	}	1091	}
944		1092
945	if (menubar_visible (this))	1093	XMoveResizeWindow (disp, vt,
946	XMoveResizeWindow (Xdisplay, menuBar.win, window_vt_x,	1094	window_vt_x, window_vt_y,
947	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
948
949	XMoveResizeWindow (Xdisplay, TermWin.vt, window_vt_x,
950	window_vt_y, TermWin_TotalWidth (),
951	TermWin_TotalHeight ());	1095	width, height);
952	#ifdef RXVT_GRAPHICS	1096
953	if (old_height)
954	rxvt_Gr_Resize (this, old_width - szHint.base_width,
955	old_height - szHint.base_height);
956	#endif
957	scr_clear ();	1097	scr_clear ();
958	#ifdef XPM_BACKGROUND	1098	#ifdef XPM_BACKGROUND
959	rxvt_resize_pixmap (this);	1099	resize_pixmap ();
960	#endif	1100	#endif
961	}	1101	}
962		1102
963	if (fix_screen || old_height == 0)	1103	if (fix_screen || old_height == 0)
964	{
965	int curr_screen = -1;
966	int old_ncol = prev_ncol;
967
968	/* scr_reset only works on the primary screen */
969	if (old_height) /* this is not the first time through */
970	{
971	unsigned int ncol = TermWin.ncol;
972	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
973	curr_screen = rxvt_scr_change_screen (this, PRIMARY);
974	TermWin.ncol = ncol;
975	}
976
977	scr_reset();	1104	scr_reset ();
978		1105
979	if (curr_screen >= 0) /* this is not the first time through */	1106	#ifdef XPM_BACKGROUND
980	{	1107	if (pixmap)
981	rxvt_scr_change_screen (this, curr_screen);	1108	scr_touch (false);
982	rxvt_selection_check (this, old_ncol != TermWin.ncol ? 4 : 0);	1109	#endif
983	}
984	}
985
986	old_width = szHint.width;
987	old_height = szHint.height;
988		1110
989	#ifdef USE_XIM	1111	#ifdef USE_XIM
990	rxvt_IMSetStatusPosition (this);	1112	IMSetStatusPosition ();
991	#endif	1113	#endif
992	}	1114	}
993		1115
994	/*	1116	/*
995	* 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.
996	* good for toggling 80/132 columns	1118	* good for toggling 80/132 columns
997	*/	1119	*/
998	/* EXTPROTO */
999	void	1120	void
1000	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1121	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1001	{	1122	{
1002	XWindowAttributes wattr;	1123	XWindowAttributes wattr;
1003		1124
1004	if (width == 0 || height == 0) {	1125	if (newwidth == 0 || newheight == 0)
		1126	{
1005	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1127	XGetWindowAttributes (display->display, display->root, &wattr);
		1128
1006	if (width == 0)	1129	if (newwidth == 0)
1007	width = wattr.width - R->szHint.base_width;	1130	newwidth = wattr.width - szHint.base_width;
1008	if (height == 0)	1131	if (newheight == 0)
1009	height = wattr.height - R->szHint.base_height;	1132	newheight = wattr.height - szHint.base_height;
		1133	}
		1134
		1135	if (newwidth != width || newheight != height)
1010	}	1136	{
1011	if (width != R->TermWin.width || height != R->TermWin.height) {
1012	width += R->szHint.base_width;	1137	newwidth += szHint.base_width;
1013	height += R->szHint.base_height;	1138	newheight += szHint.base_height;
1014	R->resize_all_windows (width, height, 0);	1139	resize_all_windows (newwidth, newheight, 0);
1015	}	1140	}
1016	}	1141	}
1017		1142
1018	/* -------------------------------------------------------------------- *	1143	/* -------------------------------------------------------------------- *
1019	* - X INPUT METHOD ROUTINES - *	1144	* - X INPUT METHOD ROUTINES - *
1020	* -------------------------------------------------------------------- */	1145	* -------------------------------------------------------------------- */
1021	#ifdef USE_XIM	1146	#ifdef USE_XIM
1022	void
1023	rxvt_term::set_size (XRectangle *size)
1024	{
1025	size->x = TermWin.int_bwidth;
1026	size->y = TermWin.int_bwidth;
1027	size->width = Width2Pixel(TermWin.ncol);
1028	size->height = Height2Pixel(TermWin.nrow);
1029	}
1030		1147
1031	void	1148	void
1032	rxvt_term::set_color (unsigned long *fg, unsigned long *bg)	1149	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1033	{	1150	{
1034	*fg = PixColors[Color_fg];	1151	fg = pix_colors[Color_fg];
1035	*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;
1036	}	1179	}
1037		1180
1038	/* Checking whether input method is running. */	1181	/* Checking whether input method is running. */
1039	/* INTPROTO */
1040	Bool	1182	bool
1041	rxvt_IMisRunning(pR)	1183	rxvt_term::IMisRunning ()
1042	{	1184	{
1043	char *p;	1185	char *p;
1044	Atom atom;	1186	Atom atom;
1045	Window win;	1187	Window win;
1046	char server[IMBUFSIZ];	1188	char server[IMBUFSIZ];
1047		1189
1048	/* get current locale modifier */	1190	/* get current locale modifier */
1049	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1191	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1192	{
1050	STRCPY(server, "@server=");	1193	strcpy (server, "@server=");
1051	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1194	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1195
1052	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1196	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1053	*p = '\0';	1197	*p = '\0';
1054		1198
1055	atom = XInternAtom(R->Xdisplay, server, False);	1199	atom = XInternAtom (display->display, server, False);
1056	win = XGetSelectionOwner(R->Xdisplay, atom);	1200	win = XGetSelectionOwner (display->display, atom);
		1201
1057	if (win != None)	1202	if (win != None)
1058	return True;	1203	return True;
1059	}	1204	}
		1205
1060	return False;	1206	return False;
1061	}	1207	}
1062		1208
1063	/* EXTPROTO */
1064	void	1209	void
1065	rxvt_IMSendSpot(pR)	1210	rxvt_term::IMSendSpot ()
1066	{	1211	{
1067	XPoint spot;	1212	XPoint nspot;
1068	XVaNestedList preedit_attr;	1213	XVaNestedList preedit_attr;
1069		1214
1070	if (R->Input_Context == NULL	1215	if (!Input_Context
		1216	|| !focus
1071	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1217	|| !(input_style & XIMPreeditPosition))
1072	|| !(R->event_type == KeyPress
1073	|| R->event_type == Expose
1074	|| R->event_type == NoExpose
1075	|| R->event_type == SelectionNotify
1076	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
1077	|| !rxvt_IMisRunning(aR))
1078	return;	1218	return;
1079		1219
1080	R->set_position (&spot);	1220	im_set_position (nspot);
1081		1221
		1222	if (nspot.x == spot.x && nspot.y == spot.y)
		1223	return;
		1224
		1225	spot = nspot;
		1226
1082	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1227	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1083	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1228	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1084	XFree(preedit_attr);	1229	XFree (preedit_attr);
1085	}	1230	}
1086		1231
1087	void	1232	void
1088	rxvt_term::set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,	1233	rxvt_term::im_destroy ()
1089	XRectangle * needed_rect)
1090	{	1234	{
1091	int mbh, vtx = 0;	1235	if (input_method)
		1236	{
		1237	if (Input_Context && input_method->xim)
		1238	XDestroyIC (Input_Context);
1092		1239
1093	if (scrollbar_visible (this) && !(Options & Opt_scrollBar_right))	1240	display->put_xim (input_method);
1094	vtx = scrollbar_TotalWidth();	1241	input_method = 0;
		1242	}
1095		1243
1096	mbh = menubar_visible (this) ? menuBar_TotalHeight() : 0;
1097	mbh -= TermWin.lineSpace;
1098
1099	preedit_rect->x = needed_rect->width + vtx;
1100	preedit_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1101
1102	preedit_rect->width = Width2Pixel(TermWin.ncol + 1) - needed_rect->width + vtx;
1103	preedit_rect->height = Height2Pixel(1);
1104
1105	status_rect->x = vtx;
1106	status_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1107
1108	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel(TermWin.ncol + 1);
1109	status_rect->height = Height2Pixel(1);
1110	}
1111
1112	/* ARGSUSED */
1113	/* INTPROTO */
1114	void
1115	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1116	__attribute__ ((unused)), XPointer call_data
1117	__attribute__ ((unused)))
1118	{
1119	dR;
1120
1121	R->Input_Context = NULL;	1244	Input_Context = 0;
1122	/* To avoid Segmentation Fault in C locale: Solaris only? */
1123	if (STRCMP(R->locale, "C"))
1124	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1125	rxvt_IMInstantiateCallback, NULL);
1126	}	1245	}
1127		1246
1128	/*	1247	/*
1129	* 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
1130	* open a suitable preedit type	1249	* open a suitable preedit type
1131	*/	1250	*/
1132	static Bool	1251	bool
1133	rxvt_IM_get_IC (pR)	1252	rxvt_term::IM_get_IC (const char *modifiers)
1134	{	1253	{
1135	int i, j, found;	1254	int i, j, found;
1136	XIM xim;	1255	XIM xim;
1137	XPoint spot;	1256	XPoint spot;
1138	XRectangle rect, status_rect, needed_rect;	1257	XRectangle rect, status_rect, needed_rect;
1139	unsigned long fg, bg;	1258	unsigned long fg, bg;
1140	const char *p;	1259	const char *p;
1141	char **s;	1260	char **s;
1142	XIMStyles *xim_styles;	1261	XIMStyles *xim_styles;
1143	XVaNestedList preedit_attr, status_attr;
1144	XIMCallback ximcallback;
1145		1262
1146	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1263	set_environ (envv);
1147	xim = XOpenIM (R->Xdisplay, NULL, NULL, NULL);	1264
1148	if (xim == NULL)	1265	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1149	return False;	1266	return false;
1150		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
1151	xim_styles = NULL;	1275	xim_styles = NULL;
1152	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1276	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1153	|| !xim_styles || !xim_styles->count_styles) {	1277	|| !xim_styles || !xim_styles->count_styles)
1154	XCloseIM(xim);	1278	{
		1279	im_destroy ();
1155	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++)
1156	}	1286	{
		1287	p = pet[pi];
1157		1288
1158	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1289	if (!p)
1159	: "OverTheSpot,OffTheSpot,Root";	1290	continue;
		1291
1160	s = rxvt_splitcommastring(p);	1292	s = rxvt_splitcommastring (p);
		1293
1161	for (i = found = 0; !found && s[i]; i++) {	1294	for (i = found = 0; !found && s[i]; i++)
		1295	{
1162	if (!STRCMP(s[i], "OverTheSpot"))	1296	if (!strcmp (s[i], "OverTheSpot"))
1163	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1297	input_style = (XIMPreeditPosition | XIMStatusNothing);
1164	else if (!STRCMP(s[i], "OffTheSpot"))	1298	else if (!strcmp (s[i], "OffTheSpot"))
1165	R->input_style = (XIMPreeditArea | XIMStatusArea);	1299	input_style = (XIMPreeditArea | XIMStatusArea);
1166	else if (!STRCMP(s[i], "Root"))	1300	else if (!strcmp (s[i], "Root"))
1167	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1301	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1302	else if (!strcmp (s[i], "None"))
		1303	input_style = (XIMPreeditNone | XIMStatusNone);
1168		1304
1169	for (j = 0; j < xim_styles->count_styles; j++)	1305	for (j = 0; j < xim_styles->count_styles; j++)
1170	if (R->input_style == xim_styles->supported_styles[j]) {	1306	if (input_style == xim_styles->supported_styles[j])
		1307	{
		1308	rxvt_freecommastring (s);
		1309
1171	found = 1;	1310	found = 1;
1172	break;	1311	goto foundpet;
1173	}	1312	}
		1313
		1314	}
		1315
		1316	rxvt_freecommastring (s);
1174	}	1317	}
1175	for (i = 0; s[i]; i++)	1318
1176	free(s[i]);	1319	foundpet:
1177	free(s);	1320
1178	XFree(xim_styles);	1321	XFree (xim_styles);
1179		1322
1180	if (!found) {	1323	if (!found)
1181	XCloseIM(xim);	1324	{
		1325	im_destroy ();
1182	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))
1183	}	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];
1184		1339
1185	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);
1186		1350
1187	/* 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,
1188	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1352	&missing_charset_list, &missing_charset_count, &def_string);
1189		1353
1190	preedit_attr = status_attr = NULL;	1354	if (missing_charset_list)
		1355	XFreeStringList (missing_charset_list);
1191		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
1192	if (R->input_style & XIMPreeditPosition) {	1364	if (input_style & XIMPreeditPosition)
		1365	{
1193	R->set_size (&rect);	1366	im_set_size (rect);
1194	R->set_position (&spot);	1367	im_set_position (spot);
1195	R->set_color (&fg, &bg);	1368	im_set_color (fg, bg);
1196		1369
1197	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1370	preedit_attr = XVaCreateNestedList (0,
		1371	XNForeground, fg,
		1372	XNBackground, bg,
		1373	XNArea, &rect,
1198	XNSpotLocation, &spot,	1374	XNSpotLocation, &spot,
1199	XNForeground, fg, XNBackground, bg,
1200	//XNFontSet, R->TermWin.fontset,	1375	XNFontSet, fs,
1201	NULL);
1202	} else if (R->input_style & XIMPreeditArea) {
1203	R->set_color (&fg, &bg);
1204
1205	/*
1206	* The necessary width of preedit area is unknown
1207	* until create input context.
1208	*/
1209	needed_rect.width = 0;
1210
1211	R->set_preedit_area(&rect, &status_rect, &needed_rect);
1212
1213	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1214	XNForeground, fg, XNBackground, bg,
1215	//XNFontSet, R->TermWin.fontset,
1216	NULL);
1217	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1218	XNForeground, fg, XNBackground, bg,
1219	//XNFontSet, R->TermWin.fontset,
1220	NULL);	1376	NULL);
1221	}	1377	}
1222	R->Input_Context = XCreateIC(xim, XNInputStyle, R->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,
1223	XNClientWindow, R->TermWin.parent[0],	1405	XNClientWindow, vt,
1224	XNFocusWindow, R->TermWin.parent[0],	1406	XNFocusWindow, parent[0],
1225	XNDestroyCallback, &ximcallback,
1226	preedit_attr ? XNPreeditAttributes : NULL,	1407	preedit_attr ? XNPreeditAttributes : NULL,
1227	preedit_attr,	1408	preedit_attr,
1228	status_attr ? XNStatusAttributes : NULL,	1409	status_attr ? XNStatusAttributes : NULL,
1229	status_attr, NULL);	1410	status_attr, NULL);
1230	if (preedit_attr)	1411
1231	XFree(preedit_attr);	1412	if (preedit_attr) XFree (preedit_attr);
1232	if (status_attr)	1413	if (status_attr) XFree (status_attr);
1233	XFree(status_attr);	1414	if (fs) XFreeFontSet (display->display, fs);
		1415
1234	if (R->Input_Context == NULL) {	1416	if (Input_Context == NULL)
1235	rxvt_print_error("failed to create input context");	1417	{
1236	XCloseIM(xim);	1418	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1419	im_destroy ();
1237	return False;	1420	return false;
1238	}	1421	}
		1422
		1423	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1424	vt_select_input ();
		1425
1239	if (R->input_style & XIMPreeditArea)	1426	if (input_style & XIMPreeditArea)
1240	rxvt_IMSetStatusPosition(aR);	1427	IMSetStatusPosition ();
1241	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));	1428
1242	return True;	1429	return true;
1243	}	1430	}
1244		1431
1245	/*
1246	* X manual pages and include files don't match on some systems:
1247	* some think this is an XIDProc and others an XIMProc so we can't
1248	* use the first argument - need to update this to be nice for
1249	* both types via some sort of configure detection
1250	*/
1251	/* ARGSUSED */
1252	/* EXTPROTO */
1253	void	1432	void
1254	rxvt_IMInstantiateCallback(Display * unused	1433	rxvt_term::im_cb ()
1255	__attribute__ ((unused)), XPointer client_data
1256	__attribute__ ((unused)), XPointer call_data
1257	__attribute__ ((unused)))
1258	{	1434	{
1259	dR;	1435	int i;
1260	int i, found, had_im;
1261	const char *p;	1436	const char *p;
1262	char **s;	1437	char **s;
1263	char buf[IMBUFSIZ];	1438	char buf[IMBUFSIZ];
1264		1439
1265	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1440	make_current ();
		1441
		1442	im_destroy ();
		1443
1266	if (R->Input_Context)	1444	if (Input_Context)
1267	return;	1445	return;
1268		1446
1269	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1447	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1270	if (R->rs[Rs_imLocale])	1448	if (rs[Rs_imLocale])
1271	setlocale (LC_CTYPE, R->rs[Rs_imLocale]);	1449	SET_LOCALE (rs[Rs_imLocale]);
1272	#endif	1450	#endif
1273		1451
1274	p = R->rs[Rs_inputMethod];	1452	p = rs[Rs_inputMethod];
1275	if (p && *p)	1453	if (p && *p)
1276	{	1454	{
1277	bool found = false;	1455	bool found = false;
1278		1456
1279	s = rxvt_splitcommastring (p);	1457	s = rxvt_splitcommastring (p);
		1458
1280	for (i = 0; s[i]; i++)	1459	for (i = 0; s[i]; i++)
1281	{	1460	{
1282	if (*s[i])	1461	if (*s[i])
1283	{	1462	{
1284	STRCPY (buf, "@im=");	1463	strcpy (buf, "@im=");
1285	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1464	strncat (buf, s[i], IMBUFSIZ - 5);
1286	if ((p = XSetLocaleModifiers (buf)) && *p	1465	if (IM_get_IC (buf))
1287	&& rxvt_IM_get_IC (aR))
1288	{	1466	{
1289	found = true;	1467	found = true;
1290	break;	1468	break;
1291	}	1469	}
1292	}	1470	}
1293	}	1471	}
1294	for (i = 0; s[i]; i++)	1472
1295	free(s[i]);	1473	rxvt_freecommastring (s);
1296	free(s);
1297		1474
1298	if (found)	1475	if (found)
1299	goto done;	1476	goto done;
1300	}	1477	}
1301		1478
1302	/* try with XMODIFIERS env. var. */	1479	/* try with XMODIFIERS env. var. */
1303	if ((p = XSetLocaleModifiers ("")) && *p	1480	if (IM_get_IC (""))
1304	&& rxvt_IM_get_IC (aR))
1305	goto done;	1481	goto done;
1306		1482
1307	/* 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 */
1308	if ((p = XSetLocaleModifiers ("@im=none")) && *p	1484	if (IM_get_IC ("@im=none"))
1309	&& rxvt_IM_get_IC (aR) == True)
1310	goto done;	1485	goto done;
1311		1486
1312	done:	1487	done:
1313	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1488	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1314	if (R->rs[Rs_imLocale])	1489	if (rs[Rs_imLocale])
1315	setlocale (LC_CTYPE, R->locale);	1490	SET_LOCALE (locale);
1316	#endif	1491	#endif
1317	}	1492	}
1318		1493
1319	/* EXTPROTO */
1320	void	1494	void
1321	rxvt_IMSetStatusPosition(pR)	1495	rxvt_term::IMSetStatusPosition ()
1322	{	1496	{
1323	XRectangle preedit_rect, status_rect, *needed_rect;	1497	XRectangle preedit_rect, status_rect, *needed_rect;
1324	XVaNestedList preedit_attr, status_attr;	1498	XVaNestedList preedit_attr, status_attr;
1325		1499
1326	if (R->Input_Context == NULL	1500	if (!Input_Context
		1501	|| !focus
1327	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1502	|| !(input_style & XIMPreeditArea)
1328	|| !rxvt_IMisRunning(aR))	1503	|| !IMisRunning ())
1329	return;	1504	return;
1330		1505
1331	/* Getting the necessary width of preedit area */	1506	/* Getting the necessary width of preedit area */
1332	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1507	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1333	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1508	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1334	XFree(status_attr);	1509	XFree (status_attr);
1335		1510
1336	R->set_preedit_area(&preedit_rect, &status_rect, needed_rect);	1511	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1512	XFree (needed_rect);
1337		1513
1338	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1514	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1339	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1515	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1340		1516
1341	XSetICValues(R->Input_Context,	1517	XSetICValues (Input_Context,
1342	XNPreeditAttributes, preedit_attr,	1518	XNPreeditAttributes, preedit_attr,
1343	XNStatusAttributes, status_attr, NULL);	1519	XNStatusAttributes, status_attr, NULL);
1344		1520
1345	XFree(preedit_attr);	1521	XFree (preedit_attr);
1346	XFree(status_attr);	1522	XFree (status_attr);
1347	}	1523	}
1348	#endif /* USE_XIM */	1524	#endif /* USE_XIM */
1349		1525
1350	/*----------------------------------------------------------------------*/
1351	rxvt_t rxvt_current_term;
1352
1353	/*----------------------- end-of-file (C source) -----------------------*/	1526	/*----------------------- end-of-file (C source) -----------------------*/

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