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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 1.191 by root, Fri Jan 20 10:27:08 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	termwin_ev (this, &rxvt_term::x_cb),
		176	vt_ev (this, &rxvt_term::x_cb),
		177	child_ev (this, &rxvt_term::child_cb),
86	check_ev (this, &rxvt_term::check_cb),	178	check_ev (this, &rxvt_term::check_cb),
		179	flush_ev (this, &rxvt_term::flush_cb),
87	destroy_ev (this, &rxvt_term::destroy_cb),	180	destroy_ev (this, &rxvt_term::destroy_cb),
88	pty_ev (this, &rxvt_term::pty_cb),	181	pty_ev (this, &rxvt_term::pty_cb),
89	x_ev (this, &rxvt_term::x_cb),
90	incr_ev (this, &rxvt_term::incr_cb)	182	incr_ev (this, &rxvt_term::incr_cb)
91	{	183	{
92	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	184	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		185
		186	termlist.push_back (this);
		187
		188	#ifdef KEYSYM_RESOURCE
		189	keyboard = new keyboard_manager;
		190	#endif
		191	}
		192
		193	// clean up the most important stuff, do *not* call x or free mem etc.
		194	// for use before an emergency exit
		195	void rxvt_term::emergency_cleanup ()
		196	{
		197	if (cmd_pid)
		198	kill (-cmd_pid, SIGHUP);
		199
		200	delete pty; pty = 0;
93	}	201	}
94		202
95	rxvt_term::~rxvt_term ()	203	rxvt_term::~rxvt_term ()
96	{	204	{
		205	termlist.erase (find (termlist.begin (), termlist.end(), this));
		206
		207	emergency_cleanup ();
		208
		209	#if ENABLE_STYLES
		210	for (int i = RS_styleCount; --i; )
		211	if (fontset[i] != fontset[0])
		212	delete fontset[i];
		213	#endif
		214	delete fontset[0];
		215
		216	if (display)
		217	{
		218	dDisp;
		219
		220	selection_clear ();
		221
		222	#ifdef USE_XIM
		223	im_destroy ();
		224	#endif
		225	#ifdef XTERM_SCROLLBAR
		226	if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
		227	if (ShadowGC) XFreeGC (disp, ShadowGC);
		228	#endif
		229	#ifdef PLAIN_SCROLLBAR
		230	if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
		231	#endif
		232	#ifdef NEXT_SCROLLBAR
		233	if (blackGC) XFreeGC (disp, blackGC);
		234	if (whiteGC) XFreeGC (disp, whiteGC);
		235	if (grayGC) XFreeGC (disp, grayGC);
		236	if (darkGC) XFreeGC (disp, darkGC);
		237	if (stippleGC) XFreeGC (disp, stippleGC);
		238	if (dimple) XFreePixmap (disp, dimple);
		239	if (upArrow) XFreePixmap (disp, upArrow);
		240	if (downArrow) XFreePixmap (disp, downArrow);
		241	if (upArrowHi) XFreePixmap (disp, upArrowHi);
		242	if (downArrowHi) XFreePixmap (disp, downArrowHi);
		243	#endif
		244	#ifdef RXVT_SCROLLBAR
		245	if (topShadowGC) XFreeGC (disp, topShadowGC);
		246	if (botShadowGC) XFreeGC (disp, botShadowGC);
		247	if (scrollbarGC) XFreeGC (disp, scrollbarGC);
		248	#endif
		249	if (gc) XFreeGC (disp, gc);
		250
		251	delete drawable;
		252	// destroy all windows
		253	if (parent[0])
		254	XDestroyWindow (disp, parent[0]);
		255	}
		256
		257	// TODO: free pixcolours, colours should become part of rxvt_display
		258	delete pix_colors_focused;
		259	#if OFF_FOCUS_FADING
		260	delete pix_colors_unfocused;
		261	#endif
		262
		263	displays.put (display);
		264
97	scr_release ();	265	scr_release ();
98		266
		267	/* clear all resources */
		268	for (int i = 0; i < allocated.size (); i++)
		269	free (allocated [i]);
		270
		271	free (selection.text);
		272	// TODO: manage env vars in child only(!)
		273	free (env_windowid);
		274	free (env_display);
		275	free (env_term);
		276	free (env_colorfgbg);
99	free (locale);	277	free (locale);
100	free (codeset);	278	free (v_buffer);
		279	free (incr_buf);
101		280
102	#ifndef NO_SETOWNER_TTYDEV	281	delete envv;
103	privileged_ttydev (RESTORE);	282	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		283
116	if (cmd_fd >= 0)	284	#ifdef KEYSYM_RESOURCE
117	close (cmd_fd);	285	delete keyboard;
		286	#endif
		287	}
118		288
119	if (Xfd >= 0)	289	// child has exited, usually destroys
120	XCloseDisplay (Xdisplay);	290	void
		291	rxvt_term::child_cb (child_watcher &w, int status)
		292	{
		293	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
121		294
122	delete PixColors;	295	cmd_pid = 0;
		296
		297	if (!OPTION (Opt_hold))
		298	destroy ();
123	}	299	}
124		300
125	void	301	void
126	rxvt_term::destroy ()	302	rxvt_term::destroy ()
127	{	303	{
		304	if (destroy_ev.active)
		305	return;
		306
		307	if (HOOK_INVOKE ((this, HOOK_DESTROY, DT_END)))
		308	return;
		309
		310	#if ENABLE_OVERLAY
		311	scr_overlay_off ();
		312	#endif
		313
		314	if (display)
		315	{
		316	#if USE_XIM
		317	im_ev.stop (display);
		318	#endif
		319	#if HAVE_SCROLLBARS
		320	scrollbar_ev.stop (display);
		321	#endif
		322	#if TRANSPARENT
		323	rootwin_ev.stop (display);
		324	#endif
		325	incr_ev.stop ();
		326	termwin_ev.stop (display);
		327	vt_ev.stop (display);
		328	}
		329
128	check_ev.stop ();	330	check_ev.stop ();
129	pty_ev.stop ();	331	pty_ev.stop ();
130	x_ev.stop ();
131	#ifdef CURSOR_BLINK	332	#ifdef CURSOR_BLINK
132	cursor_blink_ev.stop ();	333	cursor_blink_ev.stop ();
133	#endif	334	#endif
134	#ifdef TEXT_BLINK	335	#ifdef TEXT_BLINK
135	text_blink_ev.stop ();	336	text_blink_ev.stop ();
136	#endif	337	#endif
		338	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		339	cont_scroll_ev.stop ();
		340	#endif
		341	#ifdef SELECTION_SCROLLING
		342	sel_scroll_ev.stop ();
		343	#endif
137	#ifdef POINTER_BLANK	344	#ifdef POINTER_BLANK
138	pointer_ev.stop ();	345	pointer_ev.stop ();
139	#endif	346	#endif
140		347
141	destroy_ev.start (0);	348	destroy_ev.start (0);
142	}	349	}
143		350
144	void	351	void
145	rxvt_term::destroy_cb (time_watcher &w)	352	rxvt_term::destroy_cb (time_watcher &w)
146	{	353	{
147	SET_R (this);	354	make_current ();
148		355
149	delete this;	356	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	}	357	}
327		358
328	/*----------------------------------------------------------------------*/	359	/*----------------------------------------------------------------------*/
329	/*	360	/*
330	* Exit gracefully, clearing the utmp entry and restoring tty attributes	361	* Exit gracefully, clearing the utmp entry and restoring tty attributes
331	* TODO: if debugging, this should free up any known resources if we can	362	* TODO: if debugging, this should free up any known resources if we can
332	*/	363	*/
333	/* EXTPROTO */	364	static XErrorHandler old_xerror_handler;
		365
		366	static void
		367	rxvt_emergency_cleanup ()
		368	{
		369	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		370	(*t)->emergency_cleanup ();
		371	}
		372
		373	#if ENABLE_FRILLS
		374	static void
		375	print_x_error (Display *dpy, XErrorEvent *event)
		376	{
		377	char buffer[BUFSIZ];
		378	char mesg[BUFSIZ];
		379	char number[32];
		380	char *mtype = "XlibMessage";
		381	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		382	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		383	rxvt_warn ("An X Error occured, trying to continue after report.\n");
		384	rxvt_warn ("%s: %s\n", mesg, buffer);
		385	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		386	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		387	sprintf(number, "%d", event->request_code);
		388	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		389	rxvt_warn ("(which is %s)\n", buffer);
		390	if (event->request_code >= 128) {
		391	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		392	mesg, BUFSIZ);
		393	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		394	}
		395	if ((event->error_code == BadWindow) ||
		396	(event->error_code == BadPixmap) ||
		397	(event->error_code == BadCursor) ||
		398	(event->error_code == BadFont) ||
		399	(event->error_code == BadDrawable) ||
		400	(event->error_code == BadColor) ||
		401	(event->error_code == BadGC) ||
		402	(event->error_code == BadIDChoice) ||
		403	(event->error_code == BadValue) ||
		404	(event->error_code == BadAtom)) {
		405	if (event->error_code == BadValue)
		406	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		407	mesg, BUFSIZ);
		408	else if (event->error_code == BadAtom)
		409	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		410	mesg, BUFSIZ);
		411	else
		412	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		413	mesg, BUFSIZ);
		414	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		415	}
		416	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		417	mesg, BUFSIZ);
		418	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		419	}
		420	#endif
		421
		422	int
		423	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		424	{
		425	if (GET_R->allowedxerror == -1)
		426	GET_R->allowedxerror = event->error_code;
		427	else
		428	{
		429	// GET_R is most likely not the terminal which caused the error,
		430	// so just output the error and continue
		431	#if ENABLE_FRILLS
		432	print_x_error (display, event);
		433	#else
		434	old_xerror_handler (display, event);
		435	#endif
		436	}
		437
		438	return 0;
		439	}
		440
		441	int
		442	rxvt_xioerror_handler (Display *display)
		443	{
		444	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		445	DisplayString (display));
		446	rxvt_emergency_cleanup ();
		447	_exit (EXIT_FAILURE);
		448	}
		449
		450	/*----------------------------------------------------------------------*/
		451	bool
		452	rxvt_term::init (int argc, const char *const *argv)
		453	{
		454	SET_R (this);
		455	set_locale ("");
		456	set_environ (envv); // few things in X do not call setlocale :(
		457
		458	if (!init_vars ())
		459	return false;
		460
		461	init_secondary ();
		462
		463	const char **cmd_argv = init_resources (argc, argv);
		464
		465	#ifdef KEYSYM_RESOURCE
		466	keyboard->register_done ();
		467	#endif
		468
		469	#if ENABLE_PERL
		470	if (!rs[Rs_perl_ext_1])
		471	rs[Rs_perl_ext_1] = "default";
		472
		473	if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
		474	|| (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
		475	|| (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
		476	{
		477	rxvt_perl.init (this);
		478	HOOK_INVOKE ((this, HOOK_INIT, DT_END));
		479	}
		480	#endif
		481
		482	#ifdef HAVE_SCROLLBARS
		483	if (OPTION (Opt_scrollBar))
		484	scrollBar.setIdle (); /* set existence for size calculations */
		485	#endif
		486
		487	pty = rxvt_new_ptytty ();
		488
		489	create_windows (argc, argv);
		490
		491	dDisp;
		492
		493	init_xlocale ();
		494
		495	scr_reset (); // initialize screen
		496
		497	#if 0
		498	XSynchronize (disp, True);
		499	#endif
		500
		501	#ifdef HAVE_SCROLLBARS
		502	if (OPTION (Opt_scrollBar))
		503	resize_scrollbar (); /* create and map scrollbar */
		504	#endif
		505	#ifdef TRANSPARENT
		506	if (OPTION (Opt_transparent))
		507	{
		508	XSelectInput (disp, display->root, PropertyChangeMask);
		509	check_our_parents ();
		510	rootwin_ev.start (display, display->root);
		511	}
		512	#endif
		513
		514	set_colorfgbg ();
		515
		516	init_command (cmd_argv);
		517
		518	free (cmd_argv);
		519
		520	if (pty->pty >= 0)
		521	pty_ev.start (pty->pty, EVENT_READ);
		522
		523	check_ev.start ();
		524
		525	HOOK_INVOKE ((this, HOOK_START, DT_END));
		526
		527	XMapWindow (disp, vt);
		528	XMapWindow (disp, parent[0]);
		529
		530	return true;
		531	}
		532
		533	static struct sig_handlers
		534	{
		535	sig_watcher sw_term, sw_int;
		536
		537	/*
		538	* Catch a fatal signal and tidy up before quitting
		539	*/
334	void	540	void
335	rxvt_clean_exit ()	541	sig_term (sig_watcher &w)
		542	{
		543	#ifdef DEBUG_CMD
		544	rxvt_warn ("caught signal %d, exiting.\n", w.signum);
		545	#endif
		546	rxvt_emergency_cleanup ();
		547	signal (w.signum, SIG_DFL);
		548	kill (getpid (), w.signum);
		549	}
		550
		551	sig_handlers ()
		552	: sw_term (this, &sig_handlers::sig_term),
		553	sw_int (this, &sig_handlers::sig_term)
		554	{
		555	}
		556	} sig_handlers;
		557
		558	char **rxvt_environ; // startup environment
		559
		560	void
		561	rxvt_init ()
336	{	562	{
337	GET_R->destroy ();	563	uid_t uid = getuid ();
		564	gid_t gid = getgid ();
		565
		566	// before doing anything else, check for setuid/setgid operation,
		567	// start the helper process and drop privileges
		568	if (uid != geteuid ()
		569	|| gid != getegid ())
		570	{
		571	#if PTYTTY_HELPER
		572	rxvt_ptytty_server ();
		573	#else
		574	rxvt_warn ("running setuid/setgid without pty helper compiled in, continuing unprivileged.\n");
		575	#endif
		576
		577	// drop privileges
		578	#if HAVE_SETRESUID
		579	setresgid (gid, gid, gid);
		580	setresuid (uid, uid, uid);
		581	#elif HAVE_SETREUID
		582	setregid (gid, gid);
		583	setreuid (uid, uid);
		584	#elif HAVE_SETUID
		585	setgid (gid);
		586	setuid (uid);
		587	#endif
		588
		589	if (uid != geteuid ()
		590	|| gid != getegid ())
		591	rxvt_fatal ("unable to drop privileges, aborting.\n");
		592	}
		593
		594	rxvt_environ = environ;
		595
		596	signal (SIGHUP, SIG_IGN);
		597	signal (SIGPIPE, SIG_IGN);
		598
		599	sig_handlers.sw_term.start (SIGTERM);
		600	sig_handlers.sw_int.start (SIGINT);
		601
		602	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		603	/* signal (SIGURG, SIG_DFL); */
		604
		605	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		606	// TODO: handle this with exceptions and tolerate the memory loss
		607	XSetIOErrorHandler (rxvt_xioerror_handler);
		608
		609	XrmInitialize ();
338	}	610	}
339		611
340	/* ------------------------------------------------------------------------- *	612	/* ------------------------------------------------------------------------- *
341	* MEMORY ALLOCATION WRAPPERS *	613	* MEMORY ALLOCATION WRAPPERS *
342	* ------------------------------------------------------------------------- */	614	* ------------------------------------------------------------------------- */
343	/* EXTPROTO */	615	void *
344	void *
345	rxvt_malloc(size_t size)	616	rxvt_malloc (size_t size)
346	{	617	{
347	void *p;
348
349	p = malloc(size);	618	void *p = malloc (size);
		619
350	if (p)	620	if (!p)
		621	rxvt_fatal ("memory allocation failure. aborting.\n");
		622
351	return p;	623	return p;
352
353	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
354	rxvt_clean_exit();
355	exit(EXIT_FAILURE);
356	/* NOTREACHED */
357	}	624	}
358		625
359	/* EXTPROTO */	626	void *
360	void *
361	rxvt_calloc(size_t number, size_t size)	627	rxvt_calloc (size_t number, size_t size)
362	{	628	{
363	void *p;
364
365	p = calloc(number, size);	629	void *p = calloc (number, size);
		630
366	if (p)	631	if (!p)
		632	rxvt_fatal ("memory allocation failure. aborting.\n");
		633
367	return p;	634	return p;
368
369	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
370	rxvt_clean_exit();
371	exit(EXIT_FAILURE);
372	/* NOTREACHED */
373	}	635	}
374		636
375	/* EXTPROTO */	637	void *
376	void *
377	rxvt_realloc(void *ptr, size_t size)	638	rxvt_realloc (void *ptr, size_t size)
378	{	639	{
379	void *p;
380
381	if (ptr)
382	p = realloc(ptr, size);	640	void *p = realloc (ptr, size);
383	else	641
384	p = malloc(size);
385	if (p)	642	if (!p)
		643	rxvt_fatal ("memory allocation failure. aborting.\n");
		644
386	return p;	645	return p;
387
388	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
389	rxvt_clean_exit();
390	exit(EXIT_FAILURE);
391	/* NOTREACHED */
392	}	646	}
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		647
518	/*----------------------------------------------------------------------*/	648	/*----------------------------------------------------------------------*/
519	/*	649	/*
520	* window size/position calculcations for XSizeHint and other storage.	650	* window size/position calculcations for XSizeHint and other storage.
521	* if width/height are non-zero then override calculated width/height	651	* if width/height are non-zero then override calculated width/height
522	*/	652	*/
523	void	653	void
524	rxvt_term::window_calc (unsigned int width, unsigned int height)	654	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
525	{	655	{
526	short recalc_x, recalc_y;	656	short recalc_x, recalc_y;
527	int x, y, sb_w, mb_h, flags;	657	int x, y, sb_w, flags;
528	unsigned int w, h;	658	unsigned int w, h;
529	unsigned int max_width, max_height;	659	unsigned int max_width, max_height;
		660	dDisp;
530		661
531	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	662	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
532	TermWin.ncol, TermWin.nrow, szHint.width,	663	ncol, nrow, szHint.width, szHint.height));
533	szHint.height));	664
534	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	665	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
535	szHint.win_gravity = NorthWestGravity;	666	szHint.win_gravity = NorthWestGravity;
536	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	667	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
537		668
538	recalc_x = recalc_y = 0;	669	recalc_x = recalc_y = 0;
539	flags = 0;	670	flags = 0;
		671
540	if (!parsed_geometry) {	672	if (!parsed_geometry)
		673	{
541	parsed_geometry = 1;	674	parsed_geometry = 1;
		675
542	if (rs[Rs_geometry])	676	if (rs[Rs_geometry])
543	flags = XParseGeometry(rs[Rs_geometry], &x, &y, &w, &h);	677	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		678
544	if (flags & WidthValue) {	679	if (flags & WidthValue)
545	TermWin.ncol = BOUND_POSITIVE_INT16(w);	680	{
		681	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
546	szHint.flags |= USSize;	682	szHint.flags |= USSize;
547	}	683	}
		684
548	if (flags & HeightValue) {	685	if (flags & HeightValue)
549	TermWin.nrow = BOUND_POSITIVE_INT16(h);	686	{
		687	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
550	szHint.flags |= USSize;	688	szHint.flags |= USSize;
551	}	689	}
		690
552	if (flags & XValue) {	691	if (flags & XValue)
		692	{
553	szHint.x = x;	693	szHint.x = x;
554	szHint.flags |= USPosition;	694	szHint.flags |= USPosition;
		695
555	if (flags & XNegative) {	696	if (flags & XNegative)
		697	{
556	recalc_x = 1;	698	recalc_x = 1;
557	szHint.win_gravity = NorthEastGravity;	699	szHint.win_gravity = NorthEastGravity;
558	}	700	}
559	}	701	}
		702
560	if (flags & YValue) {	703	if (flags & YValue)
		704	{
561	szHint.y = y;	705	szHint.y = y;
562	szHint.flags |= USPosition;	706	szHint.flags |= USPosition;
		707
563	if (flags & YNegative) {	708	if (flags & YNegative)
		709	{
564	recalc_y = 1;	710	recalc_y = 1;
		711
565	if (szHint.win_gravity == NorthEastGravity)	712	if (szHint.win_gravity == NorthEastGravity)
566	szHint.win_gravity = SouthEastGravity;	713	szHint.win_gravity = SouthEastGravity;
567	else	714	else
568	szHint.win_gravity = SouthWestGravity;	715	szHint.win_gravity = SouthWestGravity;
569	}	716	}
570	}	717	}
571	}	718	}
		719
572	/* TODO: BOUNDS */	720	/* TODO: BOUNDS */
573	TermWin.width = TermWin.ncol * TermWin.fwidth;	721	width = ncol * fwidth;
574	TermWin.height = TermWin.nrow * TermWin.fheight;	722	height = nrow * fheight;
575	max_width = MAX_COLS * TermWin.fwidth;	723	max_width = MAX_COLS * fwidth;
576	max_height = MAX_ROWS * TermWin.fheight;	724	max_height = MAX_ROWS * fheight;
577		725
578	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	726	szHint.base_width = szHint.base_height = 2 * int_bwidth;
579		727
580	sb_w = mb_h = 0;	728	sb_w = 0;
581	window_vt_x = window_vt_y = 0;	729	window_vt_x = window_vt_y = int_bwidth;
582	if (scrollbar_visible ()) {	730
		731	if (scrollBar.state)
		732	{
583	sb_w = scrollbar_TotalWidth();	733	sb_w = scrollbar_TotalWidth ();
584	szHint.base_width += sb_w;	734	szHint.base_width += sb_w;
585	if (!(Options & Opt_scrollBar_right))	735	if (!OPTION (Opt_scrollBar_right))
586	window_vt_x = sb_w;	736	window_vt_x += sb_w;
587	}	737	}
588	if (menubar_visible ()) {	738
589	mb_h = menuBar_TotalHeight();
590	szHint.base_height += mb_h;
591	window_vt_y = mb_h;
592	}
593	szHint.width_inc = TermWin.fwidth;	739	szHint.width_inc = fwidth;
594	szHint.height_inc = TermWin.fheight;	740	szHint.height_inc = fheight;
595	szHint.min_width = szHint.base_width + szHint.width_inc;	741	szHint.min_width = szHint.base_width + szHint.width_inc;
596	szHint.min_height = szHint.base_height + szHint.height_inc;	742	szHint.min_height = szHint.base_height + szHint.height_inc;
597		743
598	if (width && width - szHint.base_width < max_width) {	744	if (newwidth && newwidth - szHint.base_width < max_width)
		745	{
599	szHint.width = width;	746	szHint.width = newwidth;
600	TermWin.width = width - szHint.base_width;	747	width = newwidth - szHint.base_width;
601	} else {	748	}
602	MIN_IT(TermWin.width, max_width);	749	else
		750	{
		751	min_it (width, max_width);
603	szHint.width = szHint.base_width + TermWin.width;	752	szHint.width = szHint.base_width + width;
604	}	753	}
		754
605	if (height && height - szHint.base_height < max_height) {	755	if (newheight && newheight - szHint.base_height < max_height)
		756	{
606	szHint.height = height;	757	szHint.height = newheight;
607	TermWin.height = height - szHint.base_height;	758	height = newheight - szHint.base_height;
608	} else {	759	}
		760	else
		761	{
609	MIN_IT(TermWin.height, max_height);	762	min_it (height, max_height);
610	szHint.height = szHint.base_height + TermWin.height;	763	szHint.height = szHint.base_height + height;
611	}	764	}
612	if (scrollbar_visible () && (Options & Opt_scrollBar_right))	765
		766	if (scrollBar.state && OPTION (Opt_scrollBar_right))
613	window_sb_x = szHint.width - sb_w;	767	window_sb_x = szHint.width - sb_w;
614		768
615	if (recalc_x)	769	if (recalc_x)
616	szHint.x += (DisplayWidth (Xdisplay, DefaultScreen (Xdisplay))	770	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
617	- szHint.width - 2 * TermWin.ext_bwidth);
618	if (recalc_y)	771	if (recalc_y)
619	szHint.y += (DisplayHeight (Xdisplay, DefaultScreen (Xdisplay))	772	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
620	- szHint.height - 2 * TermWin.ext_bwidth);
621		773
622	TermWin.ncol = TermWin.width / TermWin.fwidth;	774	ncol = width / fwidth;
623	TermWin.nrow = TermWin.height / TermWin.fheight;	775	nrow = height / fheight;
624	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	776	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
625	TermWin.ncol, TermWin.nrow, szHint.width,	777	ncol, nrow, szHint.width,
626	szHint.height));	778	szHint.height));
627	return;	779	return;
628	}	780	}
629		781
630	/*----------------------------------------------------------------------*/	782	/*----------------------------------------------------------------------*/
631	/*	783	/*
632	* Tell the teletype handler what size the window is.	784	* Tell the teletype handler what size the window is.
633	* Called after a window size change.	785	* Called after a window size change.
634	*/	786	*/
635	void	787	void
636	rxvt_term::tt_winch ()	788	rxvt_term::tt_winch ()
637	{	789	{
		790	if (pty->pty < 0)
		791	return;
		792
638	struct winsize ws;	793	struct winsize ws;
639		794
640	if (cmd_fd < 0)
641	return;
642
643	ws.ws_col = TermWin.ncol;	795	ws.ws_col = ncol;
644	ws.ws_row = TermWin.nrow;	796	ws.ws_row = nrow;
645	ws.ws_xpixel = ws.ws_ypixel = 0;	797	ws.ws_xpixel = width;
646	#ifndef DEBUG_SIZE	798	ws.ws_ypixel = height;
647	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	799	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
648	#else	800
649	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	801	#if 0
650	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	802	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
651	# ifdef SIGWINCH
652	else if (cmd_pid) /* force through to the command */	803	if (cmd_pid) /* force through to the command */
653	kill (cmd_pid, SIGWINCH);	804	kill (-cmd_pid, SIGWINCH);
654	# endif
655	#endif	805	#endif
656	}	806	}
657		807
658	/*----------------------------------------------------------------------*/	808	/*----------------------------------------------------------------------*/
659	/* rxvt_change_font() - Switch to a new font */	809	/* set_fonts () - load and set the various fonts
660	/*	810	*
661	* init = 1 - initialize	811	* init = 1 - initialize
662	*	812	*
663	* fontname == FONT_UP - switch to bigger font	813	* fontname == FONT_UP - switch to bigger font
664	* fontname == FONT_DN - switch to smaller font	814	* fontname == FONT_DN - switch to smaller font
665	*/	815	*/
666	void	816	bool
667	rxvt_term::change_font (int init, const char *fontname)	817	rxvt_term::set_fonts ()
668	{	818	{
669	}	819	rxvt_fontset *fs = new rxvt_fontset (this);
		820	rxvt_fontprop prop;
670		821
671	void	822	if (!fs
672	rxvt_term::font_up_down (int n, int direction)	823	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		824	|| !fs->realize_font (1))
		825	{
		826	delete fs;
		827	return false;
		828	}
		829
		830	#if ENABLE_STYLES
		831	for (int i = RS_styleCount; --i; )
		832	if (fontset[i] != fontset[0])
		833	delete fontset[i];
		834	#endif
		835
		836	delete fontset[0];
		837	fontset[0] = fs;
		838
		839	prop = (*fs)[1]->properties ();
		840	prop.height += lineSpace;
		841	fs->set_prop (prop);
		842
		843	fwidth = prop.width;
		844	fheight = prop.height;
		845	fbase = prop.ascent;
		846
		847	for (int style = 1; style < 4; style++)
		848	{
		849	#if ENABLE_STYLES
		850	const char *res = rs[Rs_font + style];
		851
		852	if (res && !*res)
		853	fontset[style] = fontset[0];
		854	else
		855	{
		856	fontset[style] = fs = new rxvt_fontset (this);
		857	rxvt_fontprop prop2 = prop;
		858
		859	if (res)
		860	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		861	else
		862	{
		863	res = fontset[0]->fontdesc;
		864
		865	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		866	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		867	}
		868
		869	fs->populate (res);
		870	fs->set_prop (prop2);
		871	}
		872	#else
		873	fontset[style] = fontset[0];
		874	#endif
		875	}
		876
		877	if (parent[0])
		878	{
		879	resize_all_windows (0, 0, 0);
		880	scr_remap_chars ();
		881	scr_touch (true);
		882	}
		883
		884	return true;
		885	}
		886
		887	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
673	{	888	{
		889	XChangeProperty (display->display, parent[0],
		890	prop, XA_STRING, 8, PropModeReplace,
		891	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		892	}
		893
		894	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		895	{
		896	wchar_t *ws = rxvt_mbstowcs (str, len);
		897	char *s = rxvt_wcstoutf8 (ws);
		898
		899	XChangeProperty (display->display, parent[0],
		900	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		901	(const unsigned char *)s, strlen (s));
		902
		903	free (s);
		904	free (ws);
674	}	905	}
675		906
676	/*----------------------------------------------------------------------*/	907	/*----------------------------------------------------------------------*/
677	/*----------------------------------------------------------------------*/	908	/*----------------------------------------------------------------------*/
678	/* xterm sequences - title, iconName, color (exptl) */	909	/* xterm sequences - title, iconName, color (exptl) */
679	void	910	void
680	rxvt_term::set_title (const char *str)	911	rxvt_term::set_title (const char *str)
681	{	912	{
682	#ifndef SMART_WINDOW_TITLE	913	set_string_property (XA_WM_NAME, str);
683	XStoreName(Xdisplay, TermWin.parent[0], str);	914	#if ENABLE_EWMH
684	#else	915	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	916	#endif
694	}	917	}
695		918
696	void	919	void
697	rxvt_term::set_iconName (const char *str)	920	rxvt_term::set_icon_name (const char *str)
698	{	921	{
699	#ifndef SMART_WINDOW_TITLE	922	set_string_property (XA_WM_ICON_NAME, str);
700	XSetIconName(Xdisplay, TermWin.parent[0], str);	923	#if ENABLE_EWMH
701	#else	924	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	925	#endif
711	}	926	}
712		927
713	#ifdef XTERM_COLOR_CHANGE	928	#ifdef XTERM_COLOR_CHANGE
714	void	929	void
715	rxvt_term::set_window_color (int idx, const char *color)	930	rxvt_term::set_window_color (int idx, const char *color)
716	{	931	{
717	rxvt_color xcol;	932	rxvt_color xcol;
718	int i;	933	int i;
719		934
720	if (color == NULL || *color == '\0')	935	if (color == NULL || *color == '\0')
721	return;	936	return;
722		937
723	/* handle color aliases */	938	/* handle color aliases */
724	if (isdigit(*color)) {	939	if (isdigit (*color))
		940	{
725	i = atoi(color);	941	i = atoi (color);
		942
		943	if (i >= 8 && i <= 15)
726	if (i >= 8 && i <= 15) { /* bright colors */	944	{ /* bright colors */
727	i -= 8;	945	i -= 8;
728	# ifndef NO_BRIGHTCOLOR
729	PixColors[idx] = PixColors[minBrightCOLOR + i];	946	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
730	SET_PIXCOLOR(idx);	947	SET_PIXCOLOR (idx);
731	goto Done;	948	goto done;
		949	}
		950
		951	if (i >= 0 && i <= 7)
		952	{ /* normal colors */
		953	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		954	SET_PIXCOLOR (idx);
		955	goto done;
		956	}
		957	}
		958
		959	if (!rXParseAllocColor (&xcol, color))
		960	return;
		961
		962	/* XStoreColor (display->display, display->cmap, XColor*); */
		963
		964	/*
		965	* FIXME: should free colors here, but no idea how to do it so instead,
		966	* so just keep gobbling up the colormap
		967	*/
		968	# if 0
		969	for (i = Color_Black; i <= Color_White; i++)
		970	if (pix_colors[idx] == pix_colors[i])
		971	break;
		972	if (i > Color_White)
		973	{
		974	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
		975	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
		976	DisplayPlanes (display->display, display->screen));
		977	}
732	# endif	978	# 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		979
744	/*	980	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);	981	SET_PIXCOLOR (idx);
761		982
762	/* XSetWindowAttributes attr; */	983	/* XSetWindowAttributes attr; */
763	/* Cursor cursor; */	984	/* Cursor cursor; */
764	Done:	985	done:
765	if (idx == Color_bg && !(Options & Opt_transparent))
766	XSetWindowBackground(Xdisplay, TermWin.vt,
767	PixColors[Color_bg]);
768		986
		987	#if OFF_FOCUS_FADING
		988	if (rs[Rs_fade])
		989	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
		990	#endif
		991
769	/* handle Color_BD, scrollbar background, etc. */	992	/*TODO: handle Color_BD, scrollbar background, etc. */
770		993
771	set_colorfgbg ();
772	recolour_cursor ();	994	recolour_cursor ();
773	/* the only reasonable way to enforce a clean update */	995	scr_recolour ();
774	scr_poweron ();
775	}	996	}
776		997
777	#else	998	#else
778	# define set_window_color (idx,color) ((void)0)	999	# define set_window_color (idx,color) ((void)0)
779	#endif /* XTERM_COLOR_CHANGE */	1000	#endif /* XTERM_COLOR_CHANGE */
780		1001
781	void	1002	void
782	rxvt_term::recolour_cursor ()	1003	rxvt_term::recolour_cursor ()
783	{	1004	{
784	#if TODO
785	rxvt_color xcol[2];	1005	XColor xcol[2];
786		1006
787	xcol[0] = PixColors[Color_pointer];	1007	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
788	xcol[1] = PixColors[Color_bg];	1008	? pix_colors_focused[Color_pointer_fg]
789	XQueryColors (Xdisplay, XCMAP, xcol, 2);	1009	: pix_colors_focused[Color_fg];
		1010	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		1011	? pix_colors_focused[Color_pointer_bg]
		1012	: pix_colors_focused[Color_bg];
		1013
		1014	XQueryColors (display->display, display->cmap, xcol, 2);
790	XRecolorCursor (Xdisplay, TermWin_cursor, &(xcol[0]), &(xcol[1]));	1015	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
791	#endif
792	}	1016	}
793		1017
794	/*----------------------------------------------------------------------*/	1018	/*----------------------------------------------------------------------*/
795	/*	1019	/*
796	* find if fg/bg matches any of the normal (low-intensity) colors	1020	* find if fg/bg matches any of the normal (low-intensity) colors
797	*/	1021	*/
798	void	1022	void
799	rxvt_term::set_colorfgbg ()	1023	rxvt_term::set_colorfgbg ()
800	{	1024	{
801	unsigned int i;	1025	unsigned int i;
802	const char *xpmb = "\0";	1026	const char *xpmb = "\0";
803	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1027	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
804		1028
805	env_colorfgbg =
806	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	1029	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
807	STRCPY(fstr, "default");	1030	strcpy (fstr, "default");
808	STRCPY(bstr, "default");	1031	strcpy (bstr, "default");
809	for (i = Color_Black; i <= Color_White; i++)	1032	for (i = Color_Black; i <= Color_White; i++)
810	if (PixColors[Color_fg] == PixColors[i]) {	1033	if (pix_colors[Color_fg] == pix_colors[i])
		1034	{
811	sprintf(fstr, "%d", (i - Color_Black));	1035	sprintf (fstr, "%d", (i - Color_Black));
812	break;	1036	break;
813	}	1037	}
		1038
814	for (i = Color_Black; i <= Color_White; i++)	1039	for (i = Color_Black; i <= Color_White; i++)
815	if (PixColors[Color_bg] == PixColors[i]) {	1040	if (pix_colors[Color_bg] == pix_colors[i])
		1041	{
816	sprintf(bstr, "%d", (i - Color_Black));	1042	sprintf (bstr, "%d", (i - Color_Black));
817	#ifdef XPM_BACKGROUND	1043	#ifdef XPM_BACKGROUND
818	xpmb = "default;";	1044	xpmb = "default;";
819	#endif	1045	#endif
820	break;	1046	break;
821	}	1047	}
		1048
822	sprintf(env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1049	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	}	1050	}
835		1051
836	/*----------------------------------------------------------------------*/	1052	/*----------------------------------------------------------------------*/
837	/*
838	* Colour determination for low colour displays, routine from
839	* Hans de Goede <hans@highrise.nl>
840	*/
841		1053
842	int	1054	int
843	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	1055	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
844	{	1056	{
845	if (!screen_in_out->set (this, colour)) {	1057	if (!screen_in_out->set (display, colour))
846	rxvt_print_error("can't allocate colour: %s", colour);	1058	{
		1059	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
847	return false;	1060	return false;
848	}	1061	}
849		1062
850	return true;	1063	return true;
851	}	1064	}
852		1065
853	/* -------------------------------------------------------------------- *	1066	/* -------------------------------------------------------------------- *
854	* - WINDOW RESIZING - *	1067	* - WINDOW RESIZING - *
855	* -------------------------------------------------------------------- */	1068	* -------------------------------------------------------------------- */
856	void	1069	void
857	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	1070	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
858	{	1071	{
859	int fix_screen;	1072	int fix_screen;
860
861	#ifdef SMART_RESIZE
862	int old_width = szHint.width, old_height = szHint.height;	1073	int old_width = szHint.width, old_height = szHint.height;
863	#endif	1074	dDisp;
864		1075
865	window_calc (width, height);	1076	window_calc (newwidth, newheight);
866	XSetWMNormalHints (Xdisplay, TermWin.parent[0], &szHint);	1077	XSetWMNormalHints (disp, parent[0], &szHint);
		1078
867	if (!ignoreparent)	1079	if (!ignoreparent)
868	{	1080	{
869	#ifdef SMART_RESIZE	1081	#ifdef SMART_RESIZE
870	/*	1082	/*
871	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1083	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
874	int x, y, x1, y1;	1086	int x, y, x1, y1;
875	int dx, dy;	1087	int dx, dy;
876	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1088	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
877	Window unused_cr;	1089	Window unused_cr;
878		1090
879	XTranslateCoordinates (Xdisplay, TermWin.parent[0], Xroot,	1091	XTranslateCoordinates (disp, parent[0], display->root,
880	0, 0, &x, &y, &unused_cr);	1092	0, 0, &x, &y, &unused_cr);
881	XGetGeometry (Xdisplay, TermWin.parent[0], &unused_cr, &x1, &y1,	1093	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
882	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1094	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
883	/*	1095	/*
884	* if Xroot isn't the parent window, a WM will probably have offset	1096	* if display->root isn't the parent window, a WM will probably have offset
885	* our position for handles and decorations. Counter it	1097	* our position for handles and decorations. Counter it
886	*/	1098	*/
887	if (x1 != x || y1 != y) {	1099	if (x1 != x || y1 != y)
		1100	{
888	x -= x1;	1101	x -= x1;
889	y -= y1;	1102	y -= y1;
890	}	1103	}
891		1104
892	x1 = (DisplayWidth (Xdisplay, Xscreen) - old_width) / 2;	1105	x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
893	y1 = (DisplayHeight (Xdisplay, Xscreen) - old_height) / 2;	1106	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
894	dx = old_width - szHint.width;	1107	dx = old_width - szHint.width;
895	dy = old_height - szHint.height;	1108	dy = old_height - szHint.height;
896		1109
897	/* Check position of the center of the window */	1110	/* Check position of the center of the window */
898	if (x < x1) /* left half */	1111	if (x < x1) /* left half */
899	dx = 0;	1112	dx = 0;
900	else if (x == x1) /* exact center */	1113	else if (x == x1) /* exact center */
901	dx /= 2;	1114	dx /= 2;
902	if (y < y1) /* top half */	1115	if (y < y1) /* top half */
903	dy = 0;	1116	dy = 0;
904	else if (y == y1) /* exact center */	1117	else if (y == y1) /* exact center */
905	dy /= 2;	1118	dy /= 2;
906		1119
907	XMoveResizeWindow (Xdisplay, TermWin.parent[0], x + dx, y + dy,	1120	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
908	szHint.width, szHint.height);	1121	szHint.width, szHint.height);
909	#else	1122	#else
910	XResizeWindow (Xdisplay, TermWin.parent[0], szHint.width,	1123	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
911	szHint.height);
912	#endif	1124	#endif
913	}	1125	}
914		1126
915	fix_screen = (TermWin.ncol != prev_ncol	1127	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
916	|| TermWin.nrow != prev_nrow);
917		1128
918	if (fix_screen || width != old_width || height != old_height)	1129	if (fix_screen || newwidth != old_width || newheight != old_height)
919	{	1130	{
920	if (scrollbar_visible ())	1131	if (scrollBar.state)
921	{	1132	{
922	XMoveResizeWindow (Xdisplay, scrollBar.win, window_sb_x,	1133	XMoveResizeWindow (disp, scrollBar.win,
		1134	window_sb_x, 0,
923	0, scrollbar_TotalWidth (), szHint.height);	1135	scrollbar_TotalWidth (), szHint.height);
924	resize_scrollbar ();	1136	resize_scrollbar ();
925	}	1137	}
926		1138
927	if (menubar_visible ())	1139	XMoveResizeWindow (disp, vt,
928	XMoveResizeWindow (Xdisplay, menuBar.win, window_vt_x,	1140	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 ());	1141	width, height);
934	#ifdef RXVT_GRAPHICS	1142
935	if (old_height)
936	Gr_Resize (old_width - szHint.base_width,
937	old_height - szHint.base_height);
938	#endif
939	scr_clear ();	1143	scr_clear ();
940	#ifdef XPM_BACKGROUND	1144	#ifdef XPM_BACKGROUND
941	resize_pixmap ();	1145	resize_pixmap ();
942	#endif	1146	#endif
943	}	1147	}
…		…
948	int old_ncol = prev_ncol;	1152	int old_ncol = prev_ncol;
949		1153
950	/* scr_reset only works on the primary screen */	1154	/* scr_reset only works on the primary screen */
951	if (old_height) /* this is not the first time through */	1155	if (old_height) /* this is not the first time through */
952	{	1156	{
953	unsigned int ncol = TermWin.ncol;	1157	unsigned int ocol = ncol;
954	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this	1158	ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
955	curr_screen = scr_change_screen (PRIMARY);	1159	curr_screen = scr_change_screen (PRIMARY);
956	TermWin.ncol = ncol;	1160	ncol = ocol;
957	}	1161	}
958		1162
959	scr_reset();	1163	scr_reset ();
960		1164
961	if (curr_screen >= 0) /* this is not the first time through */	1165	if (curr_screen >= 0) /* this is not the first time through */
962	{	1166	{
963	scr_change_screen (curr_screen);	1167	scr_change_screen (curr_screen);
964	selection_check (old_ncol != TermWin.ncol ? 4 : 0);	1168	selection_check (old_ncol != ncol ? 4 : 0);
965	}	1169	}
966	}	1170	}
967		1171
968	old_width = szHint.width;	1172	old_width = szHint.width;
969	old_height = szHint.height;	1173	old_height = szHint.height;
		1174
		1175	#ifdef XPM_BACKGROUND
		1176	if (pixmap)
		1177	scr_touch (false);
		1178	#endif
970		1179
971	#ifdef USE_XIM	1180	#ifdef USE_XIM
972	IMSetStatusPosition ();	1181	IMSetStatusPosition ();
973	#endif	1182	#endif
974	}	1183	}
…		…
976	/*	1185	/*
977	* Set the width/height of the vt window in characters. Units are pixels.	1186	* Set the width/height of the vt window in characters. Units are pixels.
978	* good for toggling 80/132 columns	1187	* good for toggling 80/132 columns
979	*/	1188	*/
980	void	1189	void
981	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1190	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
982	{	1191	{
983	XWindowAttributes wattr;	1192	XWindowAttributes wattr;
984		1193
985	if (width == 0 || height == 0) {	1194	if (newwidth == 0 || newheight == 0)
		1195	{
986	XGetWindowAttributes(Xdisplay, Xroot, &wattr);	1196	XGetWindowAttributes (display->display, display->root, &wattr);
		1197
987	if (width == 0)	1198	if (newwidth == 0)
988	width = wattr.width - szHint.base_width;	1199	newwidth = wattr.width - szHint.base_width;
989	if (height == 0)	1200	if (newheight == 0)
990	height = wattr.height - szHint.base_height;	1201	newheight = wattr.height - szHint.base_height;
		1202	}
		1203
		1204	if (newwidth != width || newheight != height)
991	}	1205	{
992	if (width != TermWin.width || height != TermWin.height) {
993	width += szHint.base_width;	1206	newwidth += szHint.base_width;
994	height += szHint.base_height;	1207	newheight += szHint.base_height;
995	resize_all_windows (width, height, 0);	1208	resize_all_windows (newwidth, newheight, 0);
996	}	1209	}
997	}	1210	}
998		1211
999	/* -------------------------------------------------------------------- *	1212	/* -------------------------------------------------------------------- *
1000	* - X INPUT METHOD ROUTINES - *	1213	* - X INPUT METHOD ROUTINES - *
1001	* -------------------------------------------------------------------- */	1214	* -------------------------------------------------------------------- */
1002	#ifdef USE_XIM	1215	#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		1216
1012	void	1217	void
1013	rxvt_term::set_color (unsigned long *fg, unsigned long *bg)	1218	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1014	{	1219	{
1015	*fg = PixColors[Color_fg];	1220	fg = pix_colors[Color_fg];
1016	*bg = PixColors[Color_bg];	1221	bg = pix_colors[Color_bg];
		1222	}
		1223
		1224	void
		1225	rxvt_term::im_set_size (XRectangle &size)
		1226	{
		1227	// the int_bwidth terms make no sense to me
		1228	size.x = int_bwidth;
		1229	size.y = int_bwidth;
		1230	size.width = Width2Pixel (ncol) + int_bwidth;
		1231	size.height = Height2Pixel (nrow) + int_bwidth;
		1232	}
		1233
		1234	void
		1235	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1236	XRectangle &status_rect,
		1237	const XRectangle &needed_rect)
		1238	{
		1239	preedit_rect.x = needed_rect.width;
		1240	preedit_rect.y = 0;
		1241	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1242	preedit_rect.height = fheight;
		1243
		1244	status_rect.x = 0;
		1245	status_rect.y = 0;
		1246	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1247	status_rect.height = fheight;
1017	}	1248	}
1018		1249
1019	/* Checking whether input method is running. */	1250	/* Checking whether input method is running. */
1020	bool	1251	bool
1021	rxvt_term::IMisRunning ()	1252	rxvt_term::IMisRunning ()
1022	{	1253	{
1023	char *p;	1254	char *p;
1024	Atom atom;	1255	Atom atom;
1025	Window win;	1256	Window win;
1026	char server[IMBUFSIZ];	1257	char server[IMBUFSIZ];
1027		1258
1028	/* get current locale modifier */	1259	/* get current locale modifier */
1029	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1260	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1261	{
1030	STRCPY(server, "@server=");	1262	strcpy (server, "@server=");
1031	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1263	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1264
1032	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1265	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1033	*p = '\0';	1266	*p = '\0';
1034		1267
1035	atom = XInternAtom(Xdisplay, server, False);	1268	atom = XInternAtom (display->display, server, False);
1036	win = XGetSelectionOwner(Xdisplay, atom);	1269	win = XGetSelectionOwner (display->display, atom);
		1270
1037	if (win != None)	1271	if (win != None)
1038	return True;	1272	return True;
1039	}	1273	}
		1274
1040	return False;	1275	return False;
1041	}	1276	}
1042		1277
1043	void	1278	void
1044	rxvt_term::IMSendSpot ()	1279	rxvt_term::IMSendSpot ()
1045	{	1280	{
1046	XPoint spot;	1281	XPoint nspot;
1047	XVaNestedList preedit_attr;	1282	XVaNestedList preedit_attr;
1048		1283
1049	if (Input_Context == NULL	1284	if (!Input_Context
		1285	|| !focus
1050	|| !TermWin.focus || !(input_style & XIMPreeditPosition)	1286	|| !(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;	1287	return;
1058		1288
1059	set_position (&spot);	1289	im_set_position (nspot);
1060		1290
		1291	if (nspot.x == spot.x && nspot.y == spot.y)
		1292	return;
		1293
		1294	spot = nspot;
		1295
1061	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1296	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1062	XSetICValues(Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1297	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1063	XFree(preedit_attr);	1298	XFree (preedit_attr);
1064	}	1299	}
1065		1300
1066	void	1301	void
1067	rxvt_term::set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,	1302	rxvt_term::im_destroy ()
1068	XRectangle * needed_rect)
1069	{	1303	{
1070	int mbh, vtx = 0;	1304	if (input_method)
		1305	{
		1306	if (Input_Context && input_method->xim)
		1307	XDestroyIC (Input_Context);
1071		1308
1072	if (scrollbar_visible () && !(Options & Opt_scrollBar_right))	1309	display->put_xim (input_method);
1073	vtx = scrollbar_TotalWidth();	1310	input_method = 0;
		1311	}
1074		1312
1075	mbh = menubar_visible () ? menuBar_TotalHeight() : 0;	1313	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	}	1314	}
1104		1315
1105	/*	1316	/*
1106	* Try to open a XIM with the current modifiers, then see if we can	1317	* Try to open a XIM with the current modifiers, then see if we can
1107	* open a suitable preedit type	1318	* open a suitable preedit type
1108	*/	1319	*/
1109	bool	1320	bool
1110	rxvt_term::IM_get_IC ()	1321	rxvt_term::IM_get_IC (const char *modifiers)
1111	{	1322	{
1112	int i, j, found;	1323	int i, j, found;
1113	XIM xim;	1324	XIM xim;
1114	XPoint spot;	1325	XPoint spot;
1115	XRectangle rect, status_rect, needed_rect;	1326	XRectangle rect, status_rect, needed_rect;
1116	unsigned long fg, bg;	1327	unsigned long fg, bg;
1117	const char *p;	1328	const char *p;
1118	char **s;	1329	char **s;
1119	XIMStyles *xim_styles;	1330	XIMStyles *xim_styles;
1120	XVaNestedList preedit_attr, status_attr;
1121	XIMCallback ximcallback;
1122		1331
		1332	set_environ (envv);
		1333
		1334	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1335	return false;
		1336
1123	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1337	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1124	xim = XOpenIM (Xdisplay, NULL, NULL, NULL);	1338	input_method = display->get_xim (locale, modifiers);
1125	if (xim == NULL)	1339	if (input_method == NULL)
1126	return False;	1340	return false;
1127		1341
		1342	xim = input_method->xim;
		1343	spot.x = spot.y = -1;
		1344
1128	xim_styles = NULL;	1345	xim_styles = NULL;
1129	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1346	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1130	|| !xim_styles || !xim_styles->count_styles) {	1347	|| !xim_styles || !xim_styles->count_styles)
1131	XCloseIM(xim);	1348	{
		1349	im_destroy ();
1132	return False;	1350	return false;
		1351	}
		1352
		1353	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1354
		1355	for (int pi = 0; pi < 2; pi++)
1133	}	1356	{
		1357	p = pet[pi];
1134		1358
1135	p = rs[Rs_preeditType] ? rs[Rs_preeditType]	1359	if (!p)
1136	: "OverTheSpot,OffTheSpot,Root";	1360	continue;
		1361
1137	s = rxvt_splitcommastring(p);	1362	s = rxvt_splitcommastring (p);
		1363
1138	for (i = found = 0; !found && s[i]; i++) {	1364	for (i = found = 0; !found && s[i]; i++)
		1365	{
1139	if (!STRCMP(s[i], "OverTheSpot"))	1366	if (!strcmp (s[i], "OverTheSpot"))
1140	input_style = (XIMPreeditPosition | XIMStatusNothing);	1367	input_style = (XIMPreeditPosition | XIMStatusNothing);
1141	else if (!STRCMP(s[i], "OffTheSpot"))	1368	else if (!strcmp (s[i], "OffTheSpot"))
1142	input_style = (XIMPreeditArea | XIMStatusArea);	1369	input_style = (XIMPreeditArea | XIMStatusArea);
1143	else if (!STRCMP(s[i], "Root"))	1370	else if (!strcmp (s[i], "Root"))
1144	input_style = (XIMPreeditNothing | XIMStatusNothing);	1371	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1372	else if (!strcmp (s[i], "None"))
		1373	input_style = (XIMPreeditNone | XIMStatusNone);
1145		1374
1146	for (j = 0; j < xim_styles->count_styles; j++)	1375	for (j = 0; j < xim_styles->count_styles; j++)
1147	if (input_style == xim_styles->supported_styles[j]) {	1376	if (input_style == xim_styles->supported_styles[j])
		1377	{
		1378	rxvt_freecommastring (s);
		1379
1148	found = 1;	1380	found = 1;
1149	break;	1381	goto foundpet;
1150	}	1382	}
		1383
		1384	}
		1385
		1386	rxvt_freecommastring (s);
1151	}	1387	}
1152	for (i = 0; s[i]; i++)	1388
1153	free(s[i]);	1389	foundpet:
1154	free(s);	1390
1155	XFree(xim_styles);	1391	XFree (xim_styles);
1156		1392
1157	if (!found) {	1393	if (!found)
1158	XCloseIM(xim);	1394	{
		1395	im_destroy ();
1159	return False;	1396	return false;
		1397	}
		1398
		1399	XFontSet fs = 0;
		1400	XVaNestedList preedit_attr = 0, status_attr = 0;
		1401
		1402	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1160	}	1403	{
		1404	// fake us a font-set, please
		1405	char **missing_charset_list;
		1406	int missing_charset_count;
		1407	char *def_string;
		1408	char pat[512];
1161		1409
1162	ximcallback.callback = rxvt_IMDestroyCallback;	1410	sprintf (pat,
		1411	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1412	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1413	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1414	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1415	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1416	"*",
		1417	fheight,
		1418	fheight + 1, fheight - 1,
		1419	fheight - 2, fheight + 2);
1163		1420
1164	/* XXX: not sure why we need this (as well as IC one below) */	1421	fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1165	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1422	&missing_charset_list, &missing_charset_count, &def_string);
1166		1423
1167	preedit_attr = status_attr = NULL;	1424	if (missing_charset_list)
		1425	XFreeStringList (missing_charset_list);
1168		1426
		1427	if (!fs)
		1428	{
		1429	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1430	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1431	}
		1432	}
		1433
1169	if (input_style & XIMPreeditPosition) {	1434	if (input_style & XIMPreeditPosition)
		1435	{
1170	set_size (&rect);	1436	im_set_size (rect);
1171	set_position (&spot);	1437	im_set_position (spot);
1172	set_color (&fg, &bg);	1438	im_set_color (fg, bg);
1173		1439
1174	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1440	preedit_attr = XVaCreateNestedList (0,
		1441	XNForeground, fg,
		1442	XNBackground, bg,
		1443	XNArea, &rect,
1175	XNSpotLocation, &spot,	1444	XNSpotLocation, &spot,
1176	XNForeground, fg, XNBackground, bg,
1177	//XNFontSet, TermWin.fontset,	1445	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);	1446	NULL);
1198	}	1447	}
1199	Input_Context = XCreateIC(xim, XNInputStyle, input_style,	1448	else if (input_style & XIMPreeditArea)
		1449	{
		1450	im_set_color (fg, bg);
		1451
		1452	/*
		1453	* The necessary width of preedit area is unknown
		1454	* until create input context.
		1455	*/
		1456	needed_rect.width = 0;
		1457	im_set_preedit_area (rect, status_rect, needed_rect);
		1458
		1459	preedit_attr = XVaCreateNestedList (0,
		1460	XNForeground, fg,
		1461	XNBackground, bg,
		1462	XNArea, &rect,
		1463	XNFontSet, fs,
		1464	NULL);
		1465	status_attr = XVaCreateNestedList (0,
		1466	XNForeground, fg,
		1467	XNBackground, bg,
		1468	XNArea, &status_rect,
		1469	XNFontSet, fs,
		1470	NULL);
		1471	}
		1472
		1473	Input_Context = XCreateIC (xim,
		1474	XNInputStyle, input_style,
1200	XNClientWindow, TermWin.parent[0],	1475	XNClientWindow, vt,
1201	XNFocusWindow, TermWin.parent[0],	1476	XNFocusWindow, parent[0],
1202	XNDestroyCallback, &ximcallback,
1203	preedit_attr ? XNPreeditAttributes : NULL,	1477	preedit_attr ? XNPreeditAttributes : NULL,
1204	preedit_attr,	1478	preedit_attr,
1205	status_attr ? XNStatusAttributes : NULL,	1479	status_attr ? XNStatusAttributes : NULL,
1206	status_attr, NULL);	1480	status_attr, NULL);
1207	if (preedit_attr)	1481
1208	XFree(preedit_attr);	1482	if (preedit_attr) XFree (preedit_attr);
1209	if (status_attr)	1483	if (status_attr) XFree (status_attr);
1210	XFree(status_attr);	1484	if (fs) XFreeFontSet (display->display, fs);
		1485
1211	if (Input_Context == NULL) {	1486	if (Input_Context == NULL)
1212	rxvt_print_error("failed to create input context");	1487	{
1213	XCloseIM(xim);	1488	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1489	im_destroy ();
1214	return False;	1490	return false;
1215	}	1491	}
		1492
1216	if (input_style & XIMPreeditArea)	1493	if (input_style & XIMPreeditArea)
1217	IMSetStatusPosition ();	1494	IMSetStatusPosition ();
		1495
1218	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));	1496	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1219	return True;	1497	return true;
1220	}	1498	}
1221		1499
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	1500	void
1231	rxvt_IMInstantiateCallback(Display * unused	1501	rxvt_term::im_cb ()
1232	__attribute__ ((unused)), XPointer client_data
1233	__attribute__ ((unused)), XPointer call_data
1234	__attribute__ ((unused)))
1235	{	1502	{
1236	int i, found, had_im;	1503	int i;
1237	const char *p;	1504	const char *p;
1238	char **s;	1505	char **s;
1239	char buf[IMBUFSIZ];	1506	char buf[IMBUFSIZ];
1240		1507
		1508	make_current ();
		1509
		1510	im_destroy ();
		1511
1241	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1512	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1242	if (GET_R->Input_Context)	1513	if (Input_Context)
1243	return;	1514	return;
1244		1515
1245	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1516	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1246	if (GET_R->rs[Rs_imLocale])	1517	if (rs[Rs_imLocale])
1247	setlocale (LC_CTYPE, GET_R->rs[Rs_imLocale]);	1518	SET_LOCALE (rs[Rs_imLocale]);
1248	#endif	1519	#endif
1249		1520
1250	p = GET_R->rs[Rs_inputMethod];	1521	p = rs[Rs_inputMethod];
1251	if (p && *p)	1522	if (p && *p)
1252	{	1523	{
1253	bool found = false;	1524	bool found = false;
1254		1525
1255	s = rxvt_splitcommastring (p);	1526	s = rxvt_splitcommastring (p);
		1527
1256	for (i = 0; s[i]; i++)	1528	for (i = 0; s[i]; i++)
1257	{	1529	{
1258	if (*s[i])	1530	if (*s[i])
1259	{	1531	{
1260	STRCPY (buf, "@im=");	1532	strcpy (buf, "@im=");
1261	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1533	strncat (buf, s[i], IMBUFSIZ - 5);
1262	if ((p = XSetLocaleModifiers (buf)) && *p && GET_R->IM_get_IC ())	1534	if (IM_get_IC (buf))
1263	{	1535	{
1264	found = true;	1536	found = true;
1265	break;	1537	break;
1266	}	1538	}
1267	}	1539	}
1268	}	1540	}
1269	for (i = 0; s[i]; i++)	1541
1270	free(s[i]);	1542	rxvt_freecommastring (s);
1271	free(s);
1272		1543
1273	if (found)	1544	if (found)
1274	goto done;	1545	goto done;
1275	}	1546	}
1276		1547
1277	/* try with XMODIFIERS env. var. */	1548	/* try with XMODIFIERS env. var. */
1278	if ((p = XSetLocaleModifiers ("")) && *p	1549	if (IM_get_IC (""))
1279	&& GET_R->IM_get_IC ())
1280	goto done;	1550	goto done;
1281		1551
1282	/* try with no modifiers base IF the user didn't specify an IM */	1552	/* try with no modifiers base IF the user didn't specify an IM */
1283	if ((p = XSetLocaleModifiers ("@im=none")) && *p	1553	if (IM_get_IC ("@im=none"))
1284	&& GET_R->IM_get_IC () == True)
1285	goto done;	1554	goto done;
1286		1555
1287	done:	1556	done:
1288	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1557	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1289	if (GET_R->rs[Rs_imLocale])	1558	if (rs[Rs_imLocale])
1290	setlocale (LC_CTYPE, GET_R->locale);	1559	SET_LOCALE (locale);
1291	#endif	1560	#endif
1292	}	1561	}
1293		1562
1294	void	1563	void
1295	rxvt_term::IMSetStatusPosition ()	1564	rxvt_term::IMSetStatusPosition ()
1296	{	1565	{
1297	XRectangle preedit_rect, status_rect, *needed_rect;	1566	XRectangle preedit_rect, status_rect, *needed_rect;
1298	XVaNestedList preedit_attr, status_attr;	1567	XVaNestedList preedit_attr, status_attr;
1299		1568
1300	if (Input_Context == NULL	1569	if (!Input_Context
		1570	|| !focus
1301	|| !TermWin.focus || !(input_style & XIMPreeditArea)	1571	|| !(input_style & XIMPreeditArea)
1302	|| !IMisRunning ())	1572	|| !IMisRunning ())
1303	return;	1573	return;
1304		1574
1305	/* Getting the necessary width of preedit area */	1575	/* Getting the necessary width of preedit area */
1306	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1576	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1307	XGetICValues(Input_Context, XNStatusAttributes, status_attr, NULL);	1577	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1308	XFree(status_attr);	1578	XFree (status_attr);
1309		1579
1310	set_preedit_area(&preedit_rect, &status_rect, needed_rect);	1580	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1581	XFree (needed_rect);
1311		1582
1312	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1583	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1313	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1584	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1314		1585
1315	XSetICValues(Input_Context,	1586	XSetICValues (Input_Context,
1316	XNPreeditAttributes, preedit_attr,	1587	XNPreeditAttributes, preedit_attr,
1317	XNStatusAttributes, status_attr, NULL);	1588	XNStatusAttributes, status_attr, NULL);
1318		1589
1319	XFree(preedit_attr);	1590	XFree (preedit_attr);
1320	XFree(status_attr);	1591	XFree (status_attr);
1321	}	1592	}
1322	#endif /* USE_XIM */	1593	#endif /* USE_XIM */
1323		1594
1324	/*----------------------------------------------------------------------*/
1325	rxvt_t rxvt_current_term;
1326
1327	/*----------------------- end-of-file (C source) -----------------------*/	1595	/*----------------------- end-of-file (C source) -----------------------*/

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