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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 1.193 by root, Sat Jan 21 14:25:05 2006 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*--------------------------------*-C-*---------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>	6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
7	* - original version	7	* - original version
…		…
11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
12	* - extensive modifications	12	* - extensive modifications
13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
15	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
16	*	17	*
17	* This program is free software; you can redistribute it and/or modify	18	* This program is free software; you can redistribute it and/or modify
18	* it under the terms of the GNU General Public License as published by	19	* it under the terms of the GNU General Public License as published by
19	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
20	* (at your option) any later version.	21	* (at your option) any later version.
…		…
29	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
31		32
32	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
33	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
34	#include "main.intpro" /* PROTOS for internal routines */	35	#include "keyboard.h"
		36	#include "rxvtperl.h"
35		37
		38	#include <limits>
		39
36	#include <signal.h>	40	#include <csignal>
		41	#include <cstring>
37		42
38	#ifdef TTY_GID_SUPPORT	43	#ifdef TTY_GID_SUPPORT
39	# include <grp.h>	44	# include <grp.h>
40	#endif	45	#endif
41		46
42	#ifdef HAVE_TERMIOS_H	47	#ifdef HAVE_TERMIOS_H
43	# include <termios.h>	48	# include <termios.h>
44	#endif	49	#endif
45		50
46	#include <cstring>	51	vector<rxvt_term *> rxvt_term::termlist;
47		52
		53	// used to tell global functions which terminal instance is "active"
		54	rxvt_t rxvt_current_term;
		55
48	static char curlocale[128];	56	static char curlocale[128], savelocale[128];
49		57
50	void	58	bool
51	rxvt_set_locale (const char *locale)	59	rxvt_set_locale (const char *locale) NOTHROW
52	{	60	{
53	if (locale && STRNCMP (locale, curlocale, 128))	61	if (!locale || !strncmp (locale, curlocale, 128))
54	{	62	return false;
		63
55	STRNCPY (curlocale, locale, 128);	64	strncpy (curlocale, locale, 128);
56	setlocale (LC_CTYPE, curlocale);	65	setlocale (LC_CTYPE, curlocale);
57	}	66	return true;
58	}	67	}
59		68
60	void *	69	void
61	rxvt_term::operator new (size_t s)	70	rxvt_push_locale (const char *locale) NOTHROW
62	{	71	{
63	void *p = malloc (s);	72	strcpy (savelocale, curlocale);
		73	rxvt_set_locale (locale);
		74	}
64		75
65	MEMSET (p, 0, s);	76	void
		77	rxvt_pop_locale () NOTHROW
		78	{
		79	rxvt_set_locale (savelocale);
		80	}
		81
		82	#if ENABLE_COMBINING
		83	class rxvt_composite_vec rxvt_composite;
		84
		85	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		86	{
		87	compose_char *cc;
		88
		89	// break compose chains, as stupid readline really likes to duplicate
		90	// composing characters for some reason near the end of a line.
		91	cc = (*this)[c1];
		92	while (cc)
		93	{
		94	if (cc->c2 == c2) return c1;
		95	cc = (*this)[cc->c1];
		96	}
		97
		98	// check to see wether this combination already exists otherwise
		99	for (cc = v.end (); cc-- > v.begin (); )
		100	{
		101	if (cc->c1 == c1 && cc->c2 == c2)
		102	return COMPOSE_LO + (cc - v.begin ());
		103	}
		104
		105	// allocate a new combination
		106	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		107	{
		108	static int seen;
		109
		110	if (!seen++)
		111	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		112
		113	return REPLACEMENT_CHAR;
		114	}
		115
		116	v.push_back (compose_char (c1, c2));
		117
		118	return v.size () - 1 + COMPOSE_LO;
		119	}
		120
		121	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		122	{
		123	compose_char *cc = (*this)[c];
		124
		125	if (!cc)
		126	{
		127	if (r) *r = c;
		128	return 1;
		129	}
		130
		131	int len = expand (cc->c1, r);
		132
		133	if (r) r += len;
		134
		135	if (cc->c2 != NOCHAR)
		136	{
		137	len++;
		138	if (r) *r++ = cc->c2;
		139	}
		140
66	return p;	141	return len;
67	}
68		142
69	void
70	rxvt_term::operator delete (void *p, size_t s)
71	{
72	free (p);
73	}	143	}
		144	#endif
74		145
75	rxvt_term::rxvt_term ()	146	rxvt_term::rxvt_term ()
76	:	147	:
		148	#if TRANSPARENT
		149	rootwin_ev (this, &rxvt_term::rootwin_cb),
		150	#endif
		151	#ifdef HAVE_SCROLLBARS
		152	scrollbar_ev (this, &rxvt_term::x_cb),
		153	#endif
77	#ifdef CURSOR_BLINK	154	#ifdef CURSOR_BLINK
78	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),	155	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
79	#endif	156	#endif
80	#ifdef TEXT_BLINK	157	#ifdef TEXT_BLINK
81	text_blink_ev (this, &rxvt_term::text_blink_cb),	158	text_blink_ev (this, &rxvt_term::text_blink_cb),
		159	#endif
		160	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		161	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
		162	#endif
		163	#ifdef SELECTION_SCROLLING
		164	sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
		165	#endif
		166	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		167	slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
82	#endif	168	#endif
83	#ifdef POINTER_BLANK	169	#ifdef POINTER_BLANK
84	pointer_ev (this, &rxvt_term::pointer_cb),	170	pointer_ev (this, &rxvt_term::pointer_cb),
85	#endif	171	#endif
		172	#ifdef USE_XIM
		173	im_ev (this, &rxvt_term::im_cb),
		174	#endif
		175	#ifndef NO_BELL
		176	bell_ev (this, &rxvt_term::bell_cb),
		177	#endif
		178	termwin_ev (this, &rxvt_term::x_cb),
		179	vt_ev (this, &rxvt_term::x_cb),
		180	child_ev (this, &rxvt_term::child_cb),
86	check_ev (this, &rxvt_term::check_cb),	181	check_ev (this, &rxvt_term::check_cb),
		182	flush_ev (this, &rxvt_term::flush_cb),
87	destroy_ev (this, &rxvt_term::destroy_cb),	183	destroy_ev (this, &rxvt_term::destroy_cb),
88	pty_ev (this, &rxvt_term::pty_cb),	184	pty_ev (this, &rxvt_term::pty_cb),
89	x_ev (this, &rxvt_term::x_cb),
90	incr_ev (this, &rxvt_term::incr_cb)	185	incr_ev (this, &rxvt_term::incr_cb)
91	{	186	{
92	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	187	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		188
		189	termlist.push_back (this);
		190
		191	#ifdef KEYSYM_RESOURCE
		192	keyboard = new keyboard_manager;
		193	#endif
		194	}
		195
		196	// clean up the most important stuff, do *not* call x or free mem etc.
		197	// for use before an emergency exit
		198	void rxvt_term::emergency_cleanup ()
		199	{
		200	if (cmd_pid)
		201	kill (-cmd_pid, SIGHUP);
		202
		203	delete pty; pty = 0;
93	}	204	}
94		205
95	rxvt_term::~rxvt_term ()	206	rxvt_term::~rxvt_term ()
96	{	207	{
		208	termlist.erase (find (termlist.begin (), termlist.end(), this));
		209
		210	emergency_cleanup ();
		211
		212	#if ENABLE_STYLES
		213	for (int i = RS_styleCount; --i; )
		214	if (fontset[i] != fontset[0])
		215	delete fontset[i];
		216	#endif
		217	delete fontset[0];
		218
		219	if (display)
		220	{
		221	dDisp;
		222
		223	selection_clear ();
		224
		225	#ifdef USE_XIM
		226	im_destroy ();
		227	#endif
		228	#ifdef XTERM_SCROLLBAR
		229	if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
		230	if (ShadowGC) XFreeGC (disp, ShadowGC);
		231	#endif
		232	#ifdef PLAIN_SCROLLBAR
		233	if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
		234	#endif
		235	#ifdef NEXT_SCROLLBAR
		236	if (blackGC) XFreeGC (disp, blackGC);
		237	if (whiteGC) XFreeGC (disp, whiteGC);
		238	if (grayGC) XFreeGC (disp, grayGC);
		239	if (darkGC) XFreeGC (disp, darkGC);
		240	if (stippleGC) XFreeGC (disp, stippleGC);
		241	if (dimple) XFreePixmap (disp, dimple);
		242	if (upArrow) XFreePixmap (disp, upArrow);
		243	if (downArrow) XFreePixmap (disp, downArrow);
		244	if (upArrowHi) XFreePixmap (disp, upArrowHi);
		245	if (downArrowHi) XFreePixmap (disp, downArrowHi);
		246	#endif
		247	#ifdef RXVT_SCROLLBAR
		248	if (topShadowGC) XFreeGC (disp, topShadowGC);
		249	if (botShadowGC) XFreeGC (disp, botShadowGC);
		250	if (scrollbarGC) XFreeGC (disp, scrollbarGC);
		251	#endif
		252	if (gc) XFreeGC (disp, gc);
		253
		254	delete drawable;
		255	// destroy all windows
		256	if (parent[0])
		257	XDestroyWindow (disp, parent[0]);
		258	}
		259
		260	// TODO: free pixcolours, colours should become part of rxvt_display
		261	delete pix_colors_focused;
		262	#if OFF_FOCUS_FADING
		263	delete pix_colors_unfocused;
		264	#endif
		265
		266	displays.put (display);
		267
97	scr_release ();	268	scr_release ();
98		269
		270	/* clear all resources */
		271	for (int i = 0; i < allocated.size (); i++)
		272	free (allocated [i]);
		273
		274	free (selection.text);
		275	// TODO: manage env vars in child only(!)
		276	free (env_windowid);
		277	free (env_display);
		278	free (env_term);
		279	free (env_colorfgbg);
99	free (locale);	280	free (locale);
100	free (codeset);	281	free (v_buffer);
		282	free (incr_buf);
101		283
102	#ifndef NO_SETOWNER_TTYDEV	284	delete envv;
103	privileged_ttydev (RESTORE);	285	delete argv;
104	#endif
105	#ifdef UTMP_SUPPORT
106	privileged_utmp (RESTORE);
107	#endif
108	#ifdef USE_XIM
109	if (Input_Context != NULL)
110	{
111	XDestroyIC (Input_Context);
112	Input_Context = NULL;
113	}
114	#endif
115		286
116	if (cmd_fd >= 0)	287	#ifdef KEYSYM_RESOURCE
117	close (cmd_fd);	288	delete keyboard;
		289	#endif
		290	}
118		291
119	if (Xfd >= 0)	292	// child has exited, usually destroys
120	XCloseDisplay (Xdisplay);	293	void
		294	rxvt_term::child_cb (child_watcher &w, int status)
		295	{
		296	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
121		297
122	delete PixColors;	298	cmd_pid = 0;
		299
		300	if (!OPTION (Opt_hold))
		301	destroy ();
123	}	302	}
124		303
125	void	304	void
126	rxvt_term::destroy ()	305	rxvt_term::destroy ()
127	{	306	{
		307	if (destroy_ev.active)
		308	return;
		309
		310	if (HOOK_INVOKE ((this, HOOK_DESTROY, DT_END)))
		311	return;
		312
		313	#if ENABLE_OVERLAY
		314	scr_overlay_off ();
		315	#endif
		316
		317	if (display)
		318	{
		319	#if USE_XIM
		320	im_ev.stop (display);
		321	#endif
		322	#if HAVE_SCROLLBARS
		323	scrollbar_ev.stop (display);
		324	#endif
		325	#if TRANSPARENT
		326	rootwin_ev.stop (display);
		327	#endif
		328	incr_ev.stop ();
		329	termwin_ev.stop (display);
		330	vt_ev.stop (display);
		331	}
		332
128	check_ev.stop ();	333	check_ev.stop ();
129	pty_ev.stop ();	334	pty_ev.stop ();
130	x_ev.stop ();
131	#ifdef CURSOR_BLINK	335	#ifdef CURSOR_BLINK
132	cursor_blink_ev.stop ();	336	cursor_blink_ev.stop ();
133	#endif	337	#endif
134	#ifdef TEXT_BLINK	338	#ifdef TEXT_BLINK
135	text_blink_ev.stop ();	339	text_blink_ev.stop ();
136	#endif	340	#endif
		341	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		342	cont_scroll_ev.stop ();
		343	#endif
		344	#ifdef SELECTION_SCROLLING
		345	sel_scroll_ev.stop ();
		346	#endif
137	#ifdef POINTER_BLANK	347	#ifdef POINTER_BLANK
138	pointer_ev.stop ();	348	pointer_ev.stop ();
139	#endif	349	#endif
140		350
141	destroy_ev.start (0);	351	destroy_ev.start (0);
142	}	352	}
143		353
144	void	354	void
145	rxvt_term::destroy_cb (time_watcher &w)	355	rxvt_term::destroy_cb (time_watcher &w)
146	{	356	{
147	SET_R (this);	357	make_current ();
148		358
149	delete this;	359	delete this;
150	}
151
152	/*----------------------------------------------------------------------*/
153	/* rxvt_init() */
154	/* LIBPROTO */
155	rxvt_t
156	rxvt_init (int argc, const char *const *argv)
157	{
158	SET_R (new rxvt_term);
159
160	if (!GET_R->init_vars () || !GET_R->init (argc, argv))
161	{
162	delete GET_R;
163	SET_R (0);
164	}
165
166	return GET_R;
167	}
168
169	void
170	rxvt_init_signals ()
171	{
172	/* install exit handler for cleanup */
173	#if 0
174	#ifdef HAVE_ATEXIT
175	atexit(rxvt_clean_exit);
176	#else
177	#endif
178	#endif
179
180	struct sigaction sa;
181
182	sigfillset (&sa.sa_mask);
183	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
184	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
185	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
186	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
187	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
188	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
189	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
190
191	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
192	/* signal (SIGURG, SIG_DFL); */
193
194	XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
195	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
196	}
197
198	bool
199	rxvt_term::init (int argc, const char *const *argv)
200	{
201	/*
202	* Save and then give up any super-user privileges
203	* If we need privileges in any area then we must specifically request it.
204	* We should only need to be root in these cases:
205	* 1. write utmp entries on some systems
206	* 2. chown tty on some systems
207	*/
208	privileges (SAVE);
209	privileges (IGNORE);
210
211	init_secondary ();
212
213	const char **cmd_argv = init_resources (argc, argv);
214
215	set_locale ("");
216
217	#if (MENUBAR_MAX)
218	menubar_read (rs[Rs_menu]);
219	#endif
220	#ifdef HAVE_SCROLLBARS
221	if (Options & Opt_scrollBar)
222	scrollBar.setIdle (); /* set existence for size calculations */
223	#endif
224
225	create_windows (argc, argv);
226
227	init_xlocale ();
228
229	scr_reset (); /* initialize screen */
230	#ifdef RXVT_GRAPHICS
231	Gr_reset (); /* reset graphics */
232	#endif
233
234	#if 0
235	#ifdef DEBUG_X
236	XSynchronize(Xdisplay, True);
237	#endif
238	#endif
239
240	#ifdef HAVE_SCROLLBARS
241	if (Options & Opt_scrollBar)
242	resize_scrollbar (); /* create and map scrollbar */
243	#endif
244	#if (MENUBAR_MAX)
245	if (menubar_visible(r))
246	XMapWindow (Xdisplay, menuBar.win);
247	#endif
248	#ifdef TRANSPARENT
249	if (Options & Opt_transparent)
250	{
251	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
252	check_our_parents ();
253	}
254	#endif
255	XMapWindow (Xdisplay, TermWin.vt);
256	XMapWindow (Xdisplay, TermWin.parent[0]);
257
258	init_env ();
259	init_command (cmd_argv);
260
261	x_ev.start (Xfd, EVENT_READ);
262	pty_ev.start (cmd_fd, EVENT_READ);
263
264	check_ev.start ();
265
266	process_x_events ();
267
268	return true;
269	}
270
271	/* ------------------------------------------------------------------------- *
272	* SIGNAL HANDLING & EXIT HANDLER *
273	* ------------------------------------------------------------------------- */
274	/*
275	* Catch a SIGCHLD signal and exit if the direct child has died
276	*/
277	/* ARGSUSED */
278	/* EXTPROTO */
279	RETSIGTYPE
280	rxvt_Child_signal(int sig __attribute__ ((unused)))
281	{
282	int pid, save_errno = errno;
283	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
284	;
285	errno = save_errno;
286
287	#if 0
288	if (pid == cmd_pid)
289	exit (EXIT_SUCCESS);
290	#endif
291	}
292
293	/*
294	* Catch a fatal signal and tidy up before quitting
295	*/
296	/* EXTPROTO */
297	RETSIGTYPE
298	rxvt_Exit_signal(int sig)
299	{
300	signal(sig, SIG_DFL);
301	#ifdef DEBUG_CMD
302	rxvt_print_error("signal %d", sig);
303	#endif
304	rxvt_clean_exit();
305	kill(getpid(), sig);
306	}
307
308	/* ARGSUSED */
309	/* EXTPROTO */
310	int
311	rxvt_xerror_handler(const Display * display
312	__attribute__ ((unused)), const XErrorEvent * event)
313	{
314	if (GET_R->allowedxerror == -1)
315	GET_R->allowedxerror = event->error_code;
316	else
317	{
318	rxvt_print_error("XError: Request: %d . %d, Error: %d",
319	event->request_code, event->minor_code,
320	event->error_code);
321
322	GET_R->destroy ();
323	}
324
325	return 0;
326	}	360	}
327		361
328	/*----------------------------------------------------------------------*/	362	/*----------------------------------------------------------------------*/
329	/*	363	/*
330	* Exit gracefully, clearing the utmp entry and restoring tty attributes	364	* Exit gracefully, clearing the utmp entry and restoring tty attributes
331	* TODO: if debugging, this should free up any known resources if we can	365	* TODO: if debugging, this should free up any known resources if we can
332	*/	366	*/
333	/* EXTPROTO */	367	static XErrorHandler old_xerror_handler;
		368
		369	static void
		370	rxvt_emergency_cleanup ()
		371	{
		372	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		373	(*t)->emergency_cleanup ();
		374	}
		375
		376	#if ENABLE_FRILLS
		377	static void
		378	print_x_error (Display *dpy, XErrorEvent *event)
		379	{
		380	char buffer[BUFSIZ];
		381	char mesg[BUFSIZ];
		382	char number[32];
		383	char *mtype = "XlibMessage";
		384	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		385	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		386	rxvt_warn ("An X Error occured, trying to continue after report.\n");
		387	rxvt_warn ("%s: %s\n", mesg, buffer);
		388	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		389	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		390	sprintf(number, "%d", event->request_code);
		391	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		392	rxvt_warn ("(which is %s)\n", buffer);
		393	if (event->request_code >= 128) {
		394	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		395	mesg, BUFSIZ);
		396	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		397	}
		398	if ((event->error_code == BadWindow) ||
		399	(event->error_code == BadPixmap) ||
		400	(event->error_code == BadCursor) ||
		401	(event->error_code == BadFont) ||
		402	(event->error_code == BadDrawable) ||
		403	(event->error_code == BadColor) ||
		404	(event->error_code == BadGC) ||
		405	(event->error_code == BadIDChoice) ||
		406	(event->error_code == BadValue) ||
		407	(event->error_code == BadAtom)) {
		408	if (event->error_code == BadValue)
		409	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		410	mesg, BUFSIZ);
		411	else if (event->error_code == BadAtom)
		412	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		413	mesg, BUFSIZ);
		414	else
		415	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		416	mesg, BUFSIZ);
		417	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		418	}
		419	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		420	mesg, BUFSIZ);
		421	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		422	}
		423	#endif
		424
		425	int
		426	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		427	{
		428	if (GET_R->allowedxerror == -1)
		429	GET_R->allowedxerror = event->error_code;
		430	else
		431	{
		432	// GET_R is most likely not the terminal which caused the error,
		433	// so just output the error and continue
		434	#if ENABLE_FRILLS
		435	print_x_error (display, event);
		436	#else
		437	old_xerror_handler (display, event);
		438	#endif
		439	}
		440
		441	return 0;
		442	}
		443
		444	int
		445	rxvt_xioerror_handler (Display *display)
		446	{
		447	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		448	DisplayString (display));
		449	rxvt_emergency_cleanup ();
		450	_exit (EXIT_FAILURE);
		451	}
		452
		453	/*----------------------------------------------------------------------*/
		454	bool
		455	rxvt_term::init (int argc, const char *const *argv)
		456	{
		457	SET_R (this);
		458	set_locale ("");
		459	set_environ (envv); // few things in X do not call setlocale :(
		460
		461	if (!init_vars ())
		462	return false;
		463
		464	init_secondary ();
		465
		466	const char **cmd_argv = init_resources (argc, argv);
		467
		468	#ifdef KEYSYM_RESOURCE
		469	keyboard->register_done ();
		470	#endif
		471
		472	#ifdef HAVE_SCROLLBARS
		473	if (OPTION (Opt_scrollBar))
		474	scrollBar.setIdle (); /* set existence for size calculations */
		475	#endif
		476
		477	pty = rxvt_new_ptytty ();
		478
		479	create_windows (argc, argv);
		480
		481	dDisp;
		482
		483	init_xlocale ();
		484
		485	scr_reset (); // initialize screen
		486
		487	#if 0
		488	XSynchronize (disp, True);
		489	#endif
		490
		491	#ifdef HAVE_SCROLLBARS
		492	if (OPTION (Opt_scrollBar))
		493	resize_scrollbar (); /* create and map scrollbar */
		494	#endif
		495	#ifdef TRANSPARENT
		496	if (OPTION (Opt_transparent))
		497	{
		498	XSelectInput (disp, display->root, PropertyChangeMask);
		499	check_our_parents ();
		500	rootwin_ev.start (display, display->root);
		501	}
		502	#endif
		503
		504	set_colorfgbg ();
		505
		506	init_command (cmd_argv);
		507
		508	free (cmd_argv);
		509
		510	if (pty->pty >= 0)
		511	pty_ev.start (pty->pty, EVENT_READ);
		512
		513	check_ev.start ();
		514
		515	HOOK_INVOKE ((this, HOOK_START, DT_END));
		516
		517	XMapWindow (disp, vt);
		518	XMapWindow (disp, parent[0]);
		519
		520	return true;
		521	}
		522
		523	static struct sig_handlers
		524	{
		525	sig_watcher sw_term, sw_int;
		526
		527	/*
		528	* Catch a fatal signal and tidy up before quitting
		529	*/
334	void	530	void
335	rxvt_clean_exit ()	531	sig_term (sig_watcher &w)
		532	{
		533	#ifdef DEBUG_CMD
		534	rxvt_warn ("caught signal %d, exiting.\n", w.signum);
		535	#endif
		536	rxvt_emergency_cleanup ();
		537	signal (w.signum, SIG_DFL);
		538	kill (getpid (), w.signum);
		539	}
		540
		541	sig_handlers ()
		542	: sw_term (this, &sig_handlers::sig_term),
		543	sw_int (this, &sig_handlers::sig_term)
		544	{
		545	}
		546	} sig_handlers;
		547
		548	char **rxvt_environ; // startup environment
		549
		550	void
		551	rxvt_init ()
336	{	552	{
337	GET_R->destroy ();	553	uid_t uid = getuid ();
		554	gid_t gid = getgid ();
		555
		556	// before doing anything else, check for setuid/setgid operation,
		557	// start the helper process and drop privileges
		558	if (uid != geteuid ()
		559	|| gid != getegid ())
		560	{
		561	#if PTYTTY_HELPER
		562	rxvt_ptytty_server ();
		563	#else
		564	rxvt_warn ("running setuid/setgid without pty helper compiled in, continuing unprivileged.\n");
		565	#endif
		566
		567	// drop privileges
		568	#if HAVE_SETRESUID
		569	setresgid (gid, gid, gid);
		570	setresuid (uid, uid, uid);
		571	#elif HAVE_SETREUID
		572	setregid (gid, gid);
		573	setreuid (uid, uid);
		574	#elif HAVE_SETUID
		575	setgid (gid);
		576	setuid (uid);
		577	#endif
		578
		579	if (uid != geteuid ()
		580	|| gid != getegid ())
		581	rxvt_fatal ("unable to drop privileges, aborting.\n");
		582	}
		583
		584	rxvt_environ = environ;
		585
		586	signal (SIGHUP, SIG_IGN);
		587	signal (SIGPIPE, SIG_IGN);
		588
		589	sig_handlers.sw_term.start (SIGTERM);
		590	sig_handlers.sw_int.start (SIGINT);
		591
		592	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		593	/* signal (SIGURG, SIG_DFL); */
		594
		595	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		596	// TODO: handle this with exceptions and tolerate the memory loss
		597	XSetIOErrorHandler (rxvt_xioerror_handler);
		598
		599	XrmInitialize ();
338	}	600	}
339		601
340	/* ------------------------------------------------------------------------- *	602	/* ------------------------------------------------------------------------- *
341	* MEMORY ALLOCATION WRAPPERS *	603	* MEMORY ALLOCATION WRAPPERS *
342	* ------------------------------------------------------------------------- */	604	* ------------------------------------------------------------------------- */
343	/* EXTPROTO */	605	void *
344	void *
345	rxvt_malloc(size_t size)	606	rxvt_malloc (size_t size)
346	{	607	{
347	void *p;
348
349	p = malloc(size);	608	void *p = malloc (size);
		609
350	if (p)	610	if (!p)
		611	rxvt_fatal ("memory allocation failure. aborting.\n");
		612
351	return p;	613	return p;
352
353	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
354	rxvt_clean_exit();
355	exit(EXIT_FAILURE);
356	/* NOTREACHED */
357	}	614	}
358		615
359	/* EXTPROTO */	616	void *
360	void *
361	rxvt_calloc(size_t number, size_t size)	617	rxvt_calloc (size_t number, size_t size)
362	{	618	{
363	void *p;
364
365	p = calloc(number, size);	619	void *p = calloc (number, size);
		620
366	if (p)	621	if (!p)
		622	rxvt_fatal ("memory allocation failure. aborting.\n");
		623
367	return p;	624	return p;
368
369	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
370	rxvt_clean_exit();
371	exit(EXIT_FAILURE);
372	/* NOTREACHED */
373	}	625	}
374		626
375	/* EXTPROTO */	627	void *
376	void *
377	rxvt_realloc(void *ptr, size_t size)	628	rxvt_realloc (void *ptr, size_t size)
378	{	629	{
379	void *p;
380
381	if (ptr)
382	p = realloc(ptr, size);	630	void *p = realloc (ptr, size);
383	else	631
384	p = malloc(size);
385	if (p)	632	if (!p)
		633	rxvt_fatal ("memory allocation failure. aborting.\n");
		634
386	return p;	635	return p;
387
388	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
389	rxvt_clean_exit();
390	exit(EXIT_FAILURE);
391	/* NOTREACHED */
392	}	636	}
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		637
518	/*----------------------------------------------------------------------*/	638	/*----------------------------------------------------------------------*/
519	/*	639	/*
520	* window size/position calculcations for XSizeHint and other storage.	640	* window size/position calculcations for XSizeHint and other storage.
521	* if width/height are non-zero then override calculated width/height	641	* if width/height are non-zero then override calculated width/height
522	*/	642	*/
523	void	643	void
524	rxvt_term::window_calc (unsigned int width, unsigned int height)	644	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
525	{	645	{
526	short recalc_x, recalc_y;	646	short recalc_x, recalc_y;
527	int x, y, sb_w, mb_h, flags;	647	int x, y, sb_w, flags;
528	unsigned int w, h;	648	unsigned int w, h;
529	unsigned int max_width, max_height;	649	unsigned int max_width, max_height;
		650	dDisp;
530		651
531	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	652	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
532	TermWin.ncol, TermWin.nrow, szHint.width,	653	ncol, nrow, szHint.width, szHint.height));
533	szHint.height));	654
534	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	655	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
535	szHint.win_gravity = NorthWestGravity;	656	szHint.win_gravity = NorthWestGravity;
536	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	657	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
537		658
538	recalc_x = recalc_y = 0;	659	recalc_x = recalc_y = 0;
539	flags = 0;	660	flags = 0;
		661
540	if (!parsed_geometry) {	662	if (!parsed_geometry)
		663	{
541	parsed_geometry = 1;	664	parsed_geometry = 1;
		665
542	if (rs[Rs_geometry])	666	if (rs[Rs_geometry])
543	flags = XParseGeometry(rs[Rs_geometry], &x, &y, &w, &h);	667	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		668
544	if (flags & WidthValue) {	669	if (flags & WidthValue)
545	TermWin.ncol = BOUND_POSITIVE_INT16(w);	670	{
		671	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
546	szHint.flags |= USSize;	672	szHint.flags |= USSize;
547	}	673	}
		674
548	if (flags & HeightValue) {	675	if (flags & HeightValue)
549	TermWin.nrow = BOUND_POSITIVE_INT16(h);	676	{
		677	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
550	szHint.flags |= USSize;	678	szHint.flags |= USSize;
551	}	679	}
		680
552	if (flags & XValue) {	681	if (flags & XValue)
		682	{
553	szHint.x = x;	683	szHint.x = x;
554	szHint.flags |= USPosition;	684	szHint.flags |= USPosition;
		685
555	if (flags & XNegative) {	686	if (flags & XNegative)
		687	{
556	recalc_x = 1;	688	recalc_x = 1;
557	szHint.win_gravity = NorthEastGravity;	689	szHint.win_gravity = NorthEastGravity;
558	}	690	}
559	}	691	}
		692
560	if (flags & YValue) {	693	if (flags & YValue)
		694	{
561	szHint.y = y;	695	szHint.y = y;
562	szHint.flags |= USPosition;	696	szHint.flags |= USPosition;
		697
563	if (flags & YNegative) {	698	if (flags & YNegative)
		699	{
564	recalc_y = 1;	700	recalc_y = 1;
		701
565	if (szHint.win_gravity == NorthEastGravity)	702	if (szHint.win_gravity == NorthEastGravity)
566	szHint.win_gravity = SouthEastGravity;	703	szHint.win_gravity = SouthEastGravity;
567	else	704	else
568	szHint.win_gravity = SouthWestGravity;	705	szHint.win_gravity = SouthWestGravity;
569	}	706	}
570	}	707	}
571	}	708	}
		709
572	/* TODO: BOUNDS */	710	/* TODO: BOUNDS */
573	TermWin.width = TermWin.ncol * TermWin.fwidth;	711	width = ncol * fwidth;
574	TermWin.height = TermWin.nrow * TermWin.fheight;	712	height = nrow * fheight;
575	max_width = MAX_COLS * TermWin.fwidth;	713	max_width = MAX_COLS * fwidth;
576	max_height = MAX_ROWS * TermWin.fheight;	714	max_height = MAX_ROWS * fheight;
577		715
578	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	716	szHint.base_width = szHint.base_height = 2 * int_bwidth;
579		717
580	sb_w = mb_h = 0;	718	sb_w = 0;
581	window_vt_x = window_vt_y = 0;	719	window_vt_x = window_vt_y = int_bwidth;
582	if (scrollbar_visible ()) {	720
		721	if (scrollBar.state)
		722	{
583	sb_w = scrollbar_TotalWidth();	723	sb_w = scrollbar_TotalWidth ();
584	szHint.base_width += sb_w;	724	szHint.base_width += sb_w;
585	if (!(Options & Opt_scrollBar_right))	725	if (!OPTION (Opt_scrollBar_right))
586	window_vt_x = sb_w;	726	window_vt_x += sb_w;
587	}	727	}
588	if (menubar_visible ()) {	728
589	mb_h = menuBar_TotalHeight();
590	szHint.base_height += mb_h;
591	window_vt_y = mb_h;
592	}
593	szHint.width_inc = TermWin.fwidth;	729	szHint.width_inc = fwidth;
594	szHint.height_inc = TermWin.fheight;	730	szHint.height_inc = fheight;
595	szHint.min_width = szHint.base_width + szHint.width_inc;	731	szHint.min_width = szHint.base_width + szHint.width_inc;
596	szHint.min_height = szHint.base_height + szHint.height_inc;	732	szHint.min_height = szHint.base_height + szHint.height_inc;
597		733
598	if (width && width - szHint.base_width < max_width) {	734	if (newwidth && newwidth - szHint.base_width < max_width)
		735	{
599	szHint.width = width;	736	szHint.width = newwidth;
600	TermWin.width = width - szHint.base_width;	737	width = newwidth - szHint.base_width;
601	} else {	738	}
602	MIN_IT(TermWin.width, max_width);	739	else
		740	{
		741	min_it (width, max_width);
603	szHint.width = szHint.base_width + TermWin.width;	742	szHint.width = szHint.base_width + width;
604	}	743	}
		744
605	if (height && height - szHint.base_height < max_height) {	745	if (newheight && newheight - szHint.base_height < max_height)
		746	{
606	szHint.height = height;	747	szHint.height = newheight;
607	TermWin.height = height - szHint.base_height;	748	height = newheight - szHint.base_height;
608	} else {	749	}
		750	else
		751	{
609	MIN_IT(TermWin.height, max_height);	752	min_it (height, max_height);
610	szHint.height = szHint.base_height + TermWin.height;	753	szHint.height = szHint.base_height + height;
611	}	754	}
612	if (scrollbar_visible () && (Options & Opt_scrollBar_right))	755
		756	if (scrollBar.state && OPTION (Opt_scrollBar_right))
613	window_sb_x = szHint.width - sb_w;	757	window_sb_x = szHint.width - sb_w;
614		758
615	if (recalc_x)	759	if (recalc_x)
616	szHint.x += (DisplayWidth (Xdisplay, DefaultScreen (Xdisplay))	760	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
617	- szHint.width - 2 * TermWin.ext_bwidth);
618	if (recalc_y)	761	if (recalc_y)
619	szHint.y += (DisplayHeight (Xdisplay, DefaultScreen (Xdisplay))	762	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
620	- szHint.height - 2 * TermWin.ext_bwidth);
621		763
622	TermWin.ncol = TermWin.width / TermWin.fwidth;	764	ncol = width / fwidth;
623	TermWin.nrow = TermWin.height / TermWin.fheight;	765	nrow = height / fheight;
624	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	766	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
625	TermWin.ncol, TermWin.nrow, szHint.width,	767	ncol, nrow, szHint.width,
626	szHint.height));	768	szHint.height));
627	return;	769	return;
628	}	770	}
629		771
630	/*----------------------------------------------------------------------*/	772	/*----------------------------------------------------------------------*/
631	/*	773	/*
632	* Tell the teletype handler what size the window is.	774	* Tell the teletype handler what size the window is.
633	* Called after a window size change.	775	* Called after a window size change.
634	*/	776	*/
635	void	777	void
636	rxvt_term::tt_winch ()	778	rxvt_term::tt_winch ()
637	{	779	{
		780	if (pty->pty < 0)
		781	return;
		782
638	struct winsize ws;	783	struct winsize ws;
639		784
640	if (cmd_fd < 0)
641	return;
642
643	ws.ws_col = TermWin.ncol;	785	ws.ws_col = ncol;
644	ws.ws_row = TermWin.nrow;	786	ws.ws_row = nrow;
645	ws.ws_xpixel = ws.ws_ypixel = 0;	787	ws.ws_xpixel = width;
646	#ifndef DEBUG_SIZE	788	ws.ws_ypixel = height;
647	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	789	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
648	#else	790
649	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	791	#if 0
650	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	792	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
651	# ifdef SIGWINCH
652	else if (cmd_pid) /* force through to the command */	793	if (cmd_pid) /* force through to the command */
653	kill (cmd_pid, SIGWINCH);	794	kill (-cmd_pid, SIGWINCH);
654	# endif
655	#endif	795	#endif
656	}	796	}
657		797
658	/*----------------------------------------------------------------------*/	798	/*----------------------------------------------------------------------*/
659	/* rxvt_change_font() - Switch to a new font */	799	/* set_fonts () - load and set the various fonts
660	/*	800	*
661	* init = 1 - initialize	801	* init = 1 - initialize
662	*	802	*
663	* fontname == FONT_UP - switch to bigger font	803	* fontname == FONT_UP - switch to bigger font
664	* fontname == FONT_DN - switch to smaller font	804	* fontname == FONT_DN - switch to smaller font
665	*/	805	*/
666	void	806	bool
667	rxvt_term::change_font (int init, const char *fontname)	807	rxvt_term::set_fonts ()
668	{	808	{
669	}	809	rxvt_fontset *fs = new rxvt_fontset (this);
		810	rxvt_fontprop prop;
670		811
671	void	812	if (!fs
672	rxvt_term::font_up_down (int n, int direction)	813	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		814	|| !fs->realize_font (1))
		815	{
		816	delete fs;
		817	return false;
		818	}
		819
		820	#if ENABLE_STYLES
		821	for (int i = RS_styleCount; --i; )
		822	if (fontset[i] != fontset[0])
		823	delete fontset[i];
		824	#endif
		825
		826	delete fontset[0];
		827	fontset[0] = fs;
		828
		829	prop = (*fs)[1]->properties ();
		830	prop.height += lineSpace;
		831	fs->set_prop (prop);
		832
		833	fwidth = prop.width;
		834	fheight = prop.height;
		835	fbase = prop.ascent;
		836
		837	for (int style = 1; style < 4; style++)
		838	{
		839	#if ENABLE_STYLES
		840	const char *res = rs[Rs_font + style];
		841
		842	if (res && !*res)
		843	fontset[style] = fontset[0];
		844	else
		845	{
		846	fontset[style] = fs = new rxvt_fontset (this);
		847	rxvt_fontprop prop2 = prop;
		848
		849	if (res)
		850	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		851	else
		852	{
		853	res = fontset[0]->fontdesc;
		854
		855	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		856	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		857	}
		858
		859	fs->populate (res);
		860	fs->set_prop (prop2);
		861	}
		862	#else
		863	fontset[style] = fontset[0];
		864	#endif
		865	}
		866
		867	if (parent[0])
		868	{
		869	resize_all_windows (0, 0, 0);
		870	scr_remap_chars ();
		871	scr_touch (true);
		872	}
		873
		874	return true;
		875	}
		876
		877	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
673	{	878	{
		879	XChangeProperty (display->display, parent[0],
		880	prop, XA_STRING, 8, PropModeReplace,
		881	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		882	}
		883
		884	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		885	{
		886	wchar_t *ws = rxvt_mbstowcs (str, len);
		887	char *s = rxvt_wcstoutf8 (ws);
		888
		889	XChangeProperty (display->display, parent[0],
		890	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		891	(const unsigned char *)s, strlen (s));
		892
		893	free (s);
		894	free (ws);
674	}	895	}
675		896
676	/*----------------------------------------------------------------------*/	897	/*----------------------------------------------------------------------*/
677	/*----------------------------------------------------------------------*/	898	/*----------------------------------------------------------------------*/
678	/* xterm sequences - title, iconName, color (exptl) */	899	/* xterm sequences - title, iconName, color (exptl) */
679	void	900	void
680	rxvt_term::set_title (const char *str)	901	rxvt_term::set_title (const char *str)
681	{	902	{
682	#ifndef SMART_WINDOW_TITLE	903	set_string_property (XA_WM_NAME, str);
683	XStoreName(Xdisplay, TermWin.parent[0], str);	904	#if ENABLE_EWMH
684	#else	905	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	906	#endif
694	}	907	}
695		908
696	void	909	void
697	rxvt_term::set_iconName (const char *str)	910	rxvt_term::set_icon_name (const char *str)
698	{	911	{
699	#ifndef SMART_WINDOW_TITLE	912	set_string_property (XA_WM_ICON_NAME, str);
700	XSetIconName(Xdisplay, TermWin.parent[0], str);	913	#if ENABLE_EWMH
701	#else	914	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	915	#endif
711	}	916	}
712		917
713	#ifdef XTERM_COLOR_CHANGE	918	#ifdef XTERM_COLOR_CHANGE
714	void	919	void
715	rxvt_term::set_window_color (int idx, const char *color)	920	rxvt_term::set_window_color (int idx, const char *color)
716	{	921	{
717	rxvt_color xcol;	922	rxvt_color xcol;
718	int i;	923	int i;
719		924
720	if (color == NULL || *color == '\0')	925	if (color == NULL || *color == '\0')
721	return;	926	return;
722		927
723	/* handle color aliases */	928	/* handle color aliases */
724	if (isdigit(*color)) {	929	if (isdigit (*color))
		930	{
725	i = atoi(color);	931	i = atoi (color);
		932
		933	if (i >= 8 && i <= 15)
726	if (i >= 8 && i <= 15) { /* bright colors */	934	{ /* bright colors */
727	i -= 8;	935	i -= 8;
728	# ifndef NO_BRIGHTCOLOR
729	PixColors[idx] = PixColors[minBrightCOLOR + i];	936	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
730	SET_PIXCOLOR(idx);	937	SET_PIXCOLOR (idx);
731	goto Done;	938	goto done;
		939	}
		940
		941	if (i >= 0 && i <= 7)
		942	{ /* normal colors */
		943	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		944	SET_PIXCOLOR (idx);
		945	goto done;
		946	}
		947	}
		948
		949	if (!rXParseAllocColor (&xcol, color))
		950	return;
		951
		952	/* XStoreColor (display->display, display->cmap, XColor*); */
		953
		954	/*
		955	* FIXME: should free colors here, but no idea how to do it so instead,
		956	* so just keep gobbling up the colormap
		957	*/
		958	# if 0
		959	for (i = Color_Black; i <= Color_White; i++)
		960	if (pix_colors[idx] == pix_colors[i])
		961	break;
		962	if (i > Color_White)
		963	{
		964	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
		965	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
		966	DisplayPlanes (display->display, display->screen));
		967	}
732	# endif	968	# 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		969
744	/*	970	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);	971	SET_PIXCOLOR (idx);
761		972
762	/* XSetWindowAttributes attr; */	973	/* XSetWindowAttributes attr; */
763	/* Cursor cursor; */	974	/* Cursor cursor; */
764	Done:	975	done:
765	if (idx == Color_bg && !(Options & Opt_transparent))
766	XSetWindowBackground(Xdisplay, TermWin.vt,
767	PixColors[Color_bg]);
768		976
		977	#if OFF_FOCUS_FADING
		978	if (rs[Rs_fade])
		979	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
		980	#endif
		981
769	/* handle Color_BD, scrollbar background, etc. */	982	/*TODO: handle Color_BD, scrollbar background, etc. */
770		983
771	set_colorfgbg ();
772	recolour_cursor ();	984	recolour_cursor ();
773	/* the only reasonable way to enforce a clean update */	985	scr_recolour ();
774	scr_poweron ();
775	}	986	}
776		987
777	#else	988	#else
778	# define set_window_color (idx,color) ((void)0)	989	# define set_window_color (idx,color) ((void)0)
779	#endif /* XTERM_COLOR_CHANGE */	990	#endif /* XTERM_COLOR_CHANGE */
780		991
781	void	992	void
782	rxvt_term::recolour_cursor ()	993	rxvt_term::recolour_cursor ()
783	{	994	{
784	#if TODO
785	rxvt_color xcol[2];	995	XColor xcol[2];
786		996
787	xcol[0] = PixColors[Color_pointer];	997	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
788	xcol[1] = PixColors[Color_bg];	998	? pix_colors_focused[Color_pointer_fg]
789	XQueryColors (Xdisplay, XCMAP, xcol, 2);	999	: pix_colors_focused[Color_fg];
		1000	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		1001	? pix_colors_focused[Color_pointer_bg]
		1002	: pix_colors_focused[Color_bg];
		1003
		1004	XQueryColors (display->display, display->cmap, xcol, 2);
790	XRecolorCursor (Xdisplay, TermWin_cursor, &(xcol[0]), &(xcol[1]));	1005	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
791	#endif
792	}	1006	}
793		1007
794	/*----------------------------------------------------------------------*/	1008	/*----------------------------------------------------------------------*/
795	/*	1009	/*
796	* find if fg/bg matches any of the normal (low-intensity) colors	1010	* find if fg/bg matches any of the normal (low-intensity) colors
797	*/	1011	*/
798	void	1012	void
799	rxvt_term::set_colorfgbg ()	1013	rxvt_term::set_colorfgbg ()
800	{	1014	{
801	unsigned int i;	1015	unsigned int i;
802	const char *xpmb = "\0";	1016	const char *xpmb = "\0";
803	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	1017	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
804		1018
805	env_colorfgbg =
806	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	1019	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
807	STRCPY(fstr, "default");	1020	strcpy (fstr, "default");
808	STRCPY(bstr, "default");	1021	strcpy (bstr, "default");
809	for (i = Color_Black; i <= Color_White; i++)	1022	for (i = Color_Black; i <= Color_White; i++)
810	if (PixColors[Color_fg] == PixColors[i]) {	1023	if (pix_colors[Color_fg] == pix_colors[i])
		1024	{
811	sprintf(fstr, "%d", (i - Color_Black));	1025	sprintf (fstr, "%d", (i - Color_Black));
812	break;	1026	break;
813	}	1027	}
		1028
814	for (i = Color_Black; i <= Color_White; i++)	1029	for (i = Color_Black; i <= Color_White; i++)
815	if (PixColors[Color_bg] == PixColors[i]) {	1030	if (pix_colors[Color_bg] == pix_colors[i])
		1031	{
816	sprintf(bstr, "%d", (i - Color_Black));	1032	sprintf (bstr, "%d", (i - Color_Black));
817	#ifdef XPM_BACKGROUND	1033	#ifdef XPM_BACKGROUND
818	xpmb = "default;";	1034	xpmb = "default;";
819	#endif	1035	#endif
820	break;	1036	break;
821	}	1037	}
		1038
822	sprintf(env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1039	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	}	1040	}
835		1041
836	/*----------------------------------------------------------------------*/	1042	/*----------------------------------------------------------------------*/
837	/*
838	* Colour determination for low colour displays, routine from
839	* Hans de Goede <hans@highrise.nl>
840	*/
841		1043
842	int	1044	int
843	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	1045	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
844	{	1046	{
845	if (!screen_in_out->set (this, colour)) {	1047	if (!screen_in_out->set (display, colour))
846	rxvt_print_error("can't allocate colour: %s", colour);	1048	{
		1049	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
847	return false;	1050	return false;
848	}	1051	}
849		1052
850	return true;	1053	return true;
851	}	1054	}
852		1055
853	/* -------------------------------------------------------------------- *	1056	/* -------------------------------------------------------------------- *
854	* - WINDOW RESIZING - *	1057	* - WINDOW RESIZING - *
855	* -------------------------------------------------------------------- */	1058	* -------------------------------------------------------------------- */
856	void	1059	void
857	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	1060	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
858	{	1061	{
859	int fix_screen;	1062	int fix_screen;
860
861	#ifdef SMART_RESIZE
862	int old_width = szHint.width, old_height = szHint.height;	1063	int old_width = szHint.width, old_height = szHint.height;
863	#endif	1064	dDisp;
864		1065
865	window_calc (width, height);	1066	window_calc (newwidth, newheight);
866	XSetWMNormalHints (Xdisplay, TermWin.parent[0], &szHint);	1067	XSetWMNormalHints (disp, parent[0], &szHint);
		1068
867	if (!ignoreparent)	1069	if (!ignoreparent)
868	{	1070	{
869	#ifdef SMART_RESIZE	1071	#ifdef SMART_RESIZE
870	/*	1072	/*
871	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1073	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
874	int x, y, x1, y1;	1076	int x, y, x1, y1;
875	int dx, dy;	1077	int dx, dy;
876	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1078	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
877	Window unused_cr;	1079	Window unused_cr;
878		1080
879	XTranslateCoordinates (Xdisplay, TermWin.parent[0], Xroot,	1081	XTranslateCoordinates (disp, parent[0], display->root,
880	0, 0, &x, &y, &unused_cr);	1082	0, 0, &x, &y, &unused_cr);
881	XGetGeometry (Xdisplay, TermWin.parent[0], &unused_cr, &x1, &y1,	1083	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
882	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1084	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
883	/*	1085	/*
884	* if Xroot isn't the parent window, a WM will probably have offset	1086	* if display->root isn't the parent window, a WM will probably have offset
885	* our position for handles and decorations. Counter it	1087	* our position for handles and decorations. Counter it
886	*/	1088	*/
887	if (x1 != x || y1 != y) {	1089	if (x1 != x || y1 != y)
		1090	{
888	x -= x1;	1091	x -= x1;
889	y -= y1;	1092	y -= y1;
890	}	1093	}
891		1094
892	x1 = (DisplayWidth (Xdisplay, Xscreen) - old_width) / 2;	1095	x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
893	y1 = (DisplayHeight (Xdisplay, Xscreen) - old_height) / 2;	1096	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
894	dx = old_width - szHint.width;	1097	dx = old_width - szHint.width;
895	dy = old_height - szHint.height;	1098	dy = old_height - szHint.height;
896		1099
897	/* Check position of the center of the window */	1100	/* Check position of the center of the window */
898	if (x < x1) /* left half */	1101	if (x < x1) /* left half */
899	dx = 0;	1102	dx = 0;
900	else if (x == x1) /* exact center */	1103	else if (x == x1) /* exact center */
901	dx /= 2;	1104	dx /= 2;
902	if (y < y1) /* top half */	1105	if (y < y1) /* top half */
903	dy = 0;	1106	dy = 0;
904	else if (y == y1) /* exact center */	1107	else if (y == y1) /* exact center */
905	dy /= 2;	1108	dy /= 2;
906		1109
907	XMoveResizeWindow (Xdisplay, TermWin.parent[0], x + dx, y + dy,	1110	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
908	szHint.width, szHint.height);	1111	szHint.width, szHint.height);
909	#else	1112	#else
910	XResizeWindow (Xdisplay, TermWin.parent[0], szHint.width,	1113	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
911	szHint.height);
912	#endif	1114	#endif
913	}	1115	}
914		1116
915	fix_screen = (TermWin.ncol != prev_ncol	1117	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
916	|| TermWin.nrow != prev_nrow);
917		1118
918	if (fix_screen || width != old_width || height != old_height)	1119	if (fix_screen || newwidth != old_width || newheight != old_height)
919	{	1120	{
920	if (scrollbar_visible ())	1121	if (scrollBar.state)
921	{	1122	{
922	XMoveResizeWindow (Xdisplay, scrollBar.win, window_sb_x,	1123	XMoveResizeWindow (disp, scrollBar.win,
		1124	window_sb_x, 0,
923	0, scrollbar_TotalWidth (), szHint.height);	1125	scrollbar_TotalWidth (), szHint.height);
924	resize_scrollbar ();	1126	resize_scrollbar ();
925	}	1127	}
926		1128
927	if (menubar_visible ())	1129	XMoveResizeWindow (disp, vt,
928	XMoveResizeWindow (Xdisplay, menuBar.win, window_vt_x,	1130	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 ());	1131	width, height);
934	#ifdef RXVT_GRAPHICS	1132
935	if (old_height)
936	Gr_Resize (old_width - szHint.base_width,
937	old_height - szHint.base_height);
938	#endif
939	scr_clear ();	1133	scr_clear ();
940	#ifdef XPM_BACKGROUND	1134	#ifdef XPM_BACKGROUND
941	resize_pixmap ();	1135	resize_pixmap ();
942	#endif	1136	#endif
943	}	1137	}
…		…
948	int old_ncol = prev_ncol;	1142	int old_ncol = prev_ncol;
949		1143
950	/* scr_reset only works on the primary screen */	1144	/* scr_reset only works on the primary screen */
951	if (old_height) /* this is not the first time through */	1145	if (old_height) /* this is not the first time through */
952	{	1146	{
953	unsigned int ncol = TermWin.ncol;	1147	unsigned int ocol = ncol;
954	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this	1148	ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
955	curr_screen = scr_change_screen (PRIMARY);	1149	curr_screen = scr_change_screen (PRIMARY);
956	TermWin.ncol = ncol;	1150	ncol = ocol;
957	}	1151	}
958		1152
959	scr_reset();	1153	scr_reset ();
960		1154
961	if (curr_screen >= 0) /* this is not the first time through */	1155	if (curr_screen >= 0) /* this is not the first time through */
962	{	1156	{
963	scr_change_screen (curr_screen);	1157	scr_change_screen (curr_screen);
964	selection_check (old_ncol != TermWin.ncol ? 4 : 0);	1158	selection_check (old_ncol != ncol ? 4 : 0);
965	}	1159	}
966	}	1160	}
967		1161
968	old_width = szHint.width;	1162	old_width = szHint.width;
969	old_height = szHint.height;	1163	old_height = szHint.height;
		1164
		1165	#ifdef XPM_BACKGROUND
		1166	if (pixmap)
		1167	scr_touch (false);
		1168	#endif
970		1169
971	#ifdef USE_XIM	1170	#ifdef USE_XIM
972	IMSetStatusPosition ();	1171	IMSetStatusPosition ();
973	#endif	1172	#endif
974	}	1173	}
…		…
976	/*	1175	/*
977	* Set the width/height of the vt window in characters. Units are pixels.	1176	* Set the width/height of the vt window in characters. Units are pixels.
978	* good for toggling 80/132 columns	1177	* good for toggling 80/132 columns
979	*/	1178	*/
980	void	1179	void
981	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1180	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
982	{	1181	{
983	XWindowAttributes wattr;	1182	XWindowAttributes wattr;
984		1183
985	if (width == 0 || height == 0) {	1184	if (newwidth == 0 || newheight == 0)
		1185	{
986	XGetWindowAttributes(Xdisplay, Xroot, &wattr);	1186	XGetWindowAttributes (display->display, display->root, &wattr);
		1187
987	if (width == 0)	1188	if (newwidth == 0)
988	width = wattr.width - szHint.base_width;	1189	newwidth = wattr.width - szHint.base_width;
989	if (height == 0)	1190	if (newheight == 0)
990	height = wattr.height - szHint.base_height;	1191	newheight = wattr.height - szHint.base_height;
		1192	}
		1193
		1194	if (newwidth != width || newheight != height)
991	}	1195	{
992	if (width != TermWin.width || height != TermWin.height) {
993	width += szHint.base_width;	1196	newwidth += szHint.base_width;
994	height += szHint.base_height;	1197	newheight += szHint.base_height;
995	resize_all_windows (width, height, 0);	1198	resize_all_windows (newwidth, newheight, 0);
996	}	1199	}
997	}	1200	}
998		1201
999	/* -------------------------------------------------------------------- *	1202	/* -------------------------------------------------------------------- *
1000	* - X INPUT METHOD ROUTINES - *	1203	* - X INPUT METHOD ROUTINES - *
1001	* -------------------------------------------------------------------- */	1204	* -------------------------------------------------------------------- */
1002	#ifdef USE_XIM	1205	#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		1206
1012	void	1207	void
1013	rxvt_term::set_color (unsigned long *fg, unsigned long *bg)	1208	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1014	{	1209	{
1015	*fg = PixColors[Color_fg];	1210	fg = pix_colors[Color_fg];
1016	*bg = PixColors[Color_bg];	1211	bg = pix_colors[Color_bg];
		1212	}
		1213
		1214	void
		1215	rxvt_term::im_set_size (XRectangle &size)
		1216	{
		1217	// the int_bwidth terms make no sense to me
		1218	size.x = int_bwidth;
		1219	size.y = int_bwidth;
		1220	size.width = Width2Pixel (ncol) + int_bwidth;
		1221	size.height = Height2Pixel (nrow) + int_bwidth;
		1222	}
		1223
		1224	void
		1225	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1226	XRectangle &status_rect,
		1227	const XRectangle &needed_rect)
		1228	{
		1229	preedit_rect.x = needed_rect.width;
		1230	preedit_rect.y = 0;
		1231	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1232	preedit_rect.height = fheight;
		1233
		1234	status_rect.x = 0;
		1235	status_rect.y = 0;
		1236	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1237	status_rect.height = fheight;
1017	}	1238	}
1018		1239
1019	/* Checking whether input method is running. */	1240	/* Checking whether input method is running. */
1020	bool	1241	bool
1021	rxvt_term::IMisRunning ()	1242	rxvt_term::IMisRunning ()
1022	{	1243	{
1023	char *p;	1244	char *p;
1024	Atom atom;	1245	Atom atom;
1025	Window win;	1246	Window win;
1026	char server[IMBUFSIZ];	1247	char server[IMBUFSIZ];
1027		1248
1028	/* get current locale modifier */	1249	/* get current locale modifier */
1029	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1250	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1251	{
1030	STRCPY(server, "@server=");	1252	strcpy (server, "@server=");
1031	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1253	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1254
1032	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1255	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1033	*p = '\0';	1256	*p = '\0';
1034		1257
1035	atom = XInternAtom(Xdisplay, server, False);	1258	atom = XInternAtom (display->display, server, False);
1036	win = XGetSelectionOwner(Xdisplay, atom);	1259	win = XGetSelectionOwner (display->display, atom);
		1260
1037	if (win != None)	1261	if (win != None)
1038	return True;	1262	return True;
1039	}	1263	}
		1264
1040	return False;	1265	return False;
1041	}	1266	}
1042		1267
1043	void	1268	void
1044	rxvt_term::IMSendSpot ()	1269	rxvt_term::IMSendSpot ()
1045	{	1270	{
1046	XPoint spot;	1271	XPoint nspot;
1047	XVaNestedList preedit_attr;	1272	XVaNestedList preedit_attr;
1048		1273
1049	if (Input_Context == NULL	1274	if (!Input_Context
		1275	|| !focus
1050	|| !TermWin.focus || !(input_style & XIMPreeditPosition)	1276	|| !(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;	1277	return;
1058		1278
1059	set_position (&spot);	1279	im_set_position (nspot);
1060		1280
		1281	if (nspot.x == spot.x && nspot.y == spot.y)
		1282	return;
		1283
		1284	spot = nspot;
		1285
1061	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1286	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1062	XSetICValues(Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1287	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1063	XFree(preedit_attr);	1288	XFree (preedit_attr);
1064	}	1289	}
1065		1290
1066	void	1291	void
1067	rxvt_term::set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,	1292	rxvt_term::im_destroy ()
1068	XRectangle * needed_rect)
1069	{	1293	{
1070	int mbh, vtx = 0;	1294	if (input_method)
		1295	{
		1296	if (Input_Context && input_method->xim)
		1297	XDestroyIC (Input_Context);
1071		1298
1072	if (scrollbar_visible () && !(Options & Opt_scrollBar_right))	1299	display->put_xim (input_method);
1073	vtx = scrollbar_TotalWidth();	1300	input_method = 0;
		1301	}
1074		1302
1075	mbh = menubar_visible () ? menuBar_TotalHeight() : 0;	1303	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	}	1304	}
1104		1305
1105	/*	1306	/*
1106	* Try to open a XIM with the current modifiers, then see if we can	1307	* Try to open a XIM with the current modifiers, then see if we can
1107	* open a suitable preedit type	1308	* open a suitable preedit type
1108	*/	1309	*/
1109	bool	1310	bool
1110	rxvt_term::IM_get_IC ()	1311	rxvt_term::IM_get_IC (const char *modifiers)
1111	{	1312	{
1112	int i, j, found;	1313	int i, j, found;
1113	XIM xim;	1314	XIM xim;
1114	XPoint spot;	1315	XPoint spot;
1115	XRectangle rect, status_rect, needed_rect;	1316	XRectangle rect, status_rect, needed_rect;
1116	unsigned long fg, bg;	1317	unsigned long fg, bg;
1117	const char *p;	1318	const char *p;
1118	char **s;	1319	char **s;
1119	XIMStyles *xim_styles;	1320	XIMStyles *xim_styles;
1120	XVaNestedList preedit_attr, status_attr;
1121	XIMCallback ximcallback;
1122		1321
		1322	set_environ (envv);
		1323
		1324	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1325	return false;
		1326
1123	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1327	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1124	xim = XOpenIM (Xdisplay, NULL, NULL, NULL);	1328	input_method = display->get_xim (locale, modifiers);
1125	if (xim == NULL)	1329	if (input_method == NULL)
1126	return False;	1330	return false;
1127		1331
		1332	xim = input_method->xim;
		1333	spot.x = spot.y = -1;
		1334
1128	xim_styles = NULL;	1335	xim_styles = NULL;
1129	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1336	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1130	|| !xim_styles || !xim_styles->count_styles) {	1337	|| !xim_styles || !xim_styles->count_styles)
1131	XCloseIM(xim);	1338	{
		1339	im_destroy ();
1132	return False;	1340	return false;
		1341	}
		1342
		1343	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1344
		1345	for (int pi = 0; pi < 2; pi++)
1133	}	1346	{
		1347	p = pet[pi];
1134		1348
1135	p = rs[Rs_preeditType] ? rs[Rs_preeditType]	1349	if (!p)
1136	: "OverTheSpot,OffTheSpot,Root";	1350	continue;
		1351
1137	s = rxvt_splitcommastring(p);	1352	s = rxvt_splitcommastring (p);
		1353
1138	for (i = found = 0; !found && s[i]; i++) {	1354	for (i = found = 0; !found && s[i]; i++)
		1355	{
1139	if (!STRCMP(s[i], "OverTheSpot"))	1356	if (!strcmp (s[i], "OverTheSpot"))
1140	input_style = (XIMPreeditPosition | XIMStatusNothing);	1357	input_style = (XIMPreeditPosition | XIMStatusNothing);
1141	else if (!STRCMP(s[i], "OffTheSpot"))	1358	else if (!strcmp (s[i], "OffTheSpot"))
1142	input_style = (XIMPreeditArea | XIMStatusArea);	1359	input_style = (XIMPreeditArea | XIMStatusArea);
1143	else if (!STRCMP(s[i], "Root"))	1360	else if (!strcmp (s[i], "Root"))
1144	input_style = (XIMPreeditNothing | XIMStatusNothing);	1361	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1362	else if (!strcmp (s[i], "None"))
		1363	input_style = (XIMPreeditNone | XIMStatusNone);
1145		1364
1146	for (j = 0; j < xim_styles->count_styles; j++)	1365	for (j = 0; j < xim_styles->count_styles; j++)
1147	if (input_style == xim_styles->supported_styles[j]) {	1366	if (input_style == xim_styles->supported_styles[j])
		1367	{
		1368	rxvt_freecommastring (s);
		1369
1148	found = 1;	1370	found = 1;
1149	break;	1371	goto foundpet;
1150	}	1372	}
		1373
		1374	}
		1375
		1376	rxvt_freecommastring (s);
1151	}	1377	}
1152	for (i = 0; s[i]; i++)	1378
1153	free(s[i]);	1379	foundpet:
1154	free(s);	1380
1155	XFree(xim_styles);	1381	XFree (xim_styles);
1156		1382
1157	if (!found) {	1383	if (!found)
1158	XCloseIM(xim);	1384	{
		1385	im_destroy ();
1159	return False;	1386	return false;
		1387	}
		1388
		1389	XFontSet fs = 0;
		1390	XVaNestedList preedit_attr = 0, status_attr = 0;
		1391
		1392	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1160	}	1393	{
		1394	// fake us a font-set, please
		1395	char **missing_charset_list;
		1396	int missing_charset_count;
		1397	char *def_string;
		1398	char pat[512];
1161		1399
1162	ximcallback.callback = rxvt_IMDestroyCallback;	1400	sprintf (pat,
		1401	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1402	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1403	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1404	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1405	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1406	"*",
		1407	fheight,
		1408	fheight + 1, fheight - 1,
		1409	fheight - 2, fheight + 2);
1163		1410
1164	/* XXX: not sure why we need this (as well as IC one below) */	1411	fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1165	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1412	&missing_charset_list, &missing_charset_count, &def_string);
1166		1413
1167	preedit_attr = status_attr = NULL;	1414	if (missing_charset_list)
		1415	XFreeStringList (missing_charset_list);
1168		1416
		1417	if (!fs)
		1418	{
		1419	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1420	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1421	}
		1422	}
		1423
1169	if (input_style & XIMPreeditPosition) {	1424	if (input_style & XIMPreeditPosition)
		1425	{
1170	set_size (&rect);	1426	im_set_size (rect);
1171	set_position (&spot);	1427	im_set_position (spot);
1172	set_color (&fg, &bg);	1428	im_set_color (fg, bg);
1173		1429
1174	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,	1430	preedit_attr = XVaCreateNestedList (0,
		1431	XNForeground, fg,
		1432	XNBackground, bg,
		1433	XNArea, &rect,
1175	XNSpotLocation, &spot,	1434	XNSpotLocation, &spot,
1176	XNForeground, fg, XNBackground, bg,
1177	//XNFontSet, TermWin.fontset,	1435	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);	1436	NULL);
1198	}	1437	}
1199	Input_Context = XCreateIC(xim, XNInputStyle, input_style,	1438	else if (input_style & XIMPreeditArea)
		1439	{
		1440	im_set_color (fg, bg);
		1441
		1442	/*
		1443	* The necessary width of preedit area is unknown
		1444	* until create input context.
		1445	*/
		1446	needed_rect.width = 0;
		1447	im_set_preedit_area (rect, status_rect, needed_rect);
		1448
		1449	preedit_attr = XVaCreateNestedList (0,
		1450	XNForeground, fg,
		1451	XNBackground, bg,
		1452	XNArea, &rect,
		1453	XNFontSet, fs,
		1454	NULL);
		1455	status_attr = XVaCreateNestedList (0,
		1456	XNForeground, fg,
		1457	XNBackground, bg,
		1458	XNArea, &status_rect,
		1459	XNFontSet, fs,
		1460	NULL);
		1461	}
		1462
		1463	Input_Context = XCreateIC (xim,
		1464	XNInputStyle, input_style,
1200	XNClientWindow, TermWin.parent[0],	1465	XNClientWindow, vt,
1201	XNFocusWindow, TermWin.parent[0],	1466	XNFocusWindow, parent[0],
1202	XNDestroyCallback, &ximcallback,
1203	preedit_attr ? XNPreeditAttributes : NULL,	1467	preedit_attr ? XNPreeditAttributes : NULL,
1204	preedit_attr,	1468	preedit_attr,
1205	status_attr ? XNStatusAttributes : NULL,	1469	status_attr ? XNStatusAttributes : NULL,
1206	status_attr, NULL);	1470	status_attr, NULL);
1207	if (preedit_attr)	1471
1208	XFree(preedit_attr);	1472	if (preedit_attr) XFree (preedit_attr);
1209	if (status_attr)	1473	if (status_attr) XFree (status_attr);
1210	XFree(status_attr);	1474	if (fs) XFreeFontSet (display->display, fs);
		1475
1211	if (Input_Context == NULL) {	1476	if (Input_Context == NULL)
1212	rxvt_print_error("failed to create input context");	1477	{
1213	XCloseIM(xim);	1478	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1479	im_destroy ();
1214	return False;	1480	return false;
1215	}	1481	}
		1482
1216	if (input_style & XIMPreeditArea)	1483	if (input_style & XIMPreeditArea)
1217	IMSetStatusPosition ();	1484	IMSetStatusPosition ();
		1485
1218	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));	1486	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1219	return True;	1487	return true;
1220	}	1488	}
1221		1489
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	1490	void
1231	rxvt_IMInstantiateCallback(Display * unused	1491	rxvt_term::im_cb ()
1232	__attribute__ ((unused)), XPointer client_data
1233	__attribute__ ((unused)), XPointer call_data
1234	__attribute__ ((unused)))
1235	{	1492	{
1236	int i, found, had_im;	1493	int i;
1237	const char *p;	1494	const char *p;
1238	char **s;	1495	char **s;
1239	char buf[IMBUFSIZ];	1496	char buf[IMBUFSIZ];
1240		1497
		1498	make_current ();
		1499
		1500	im_destroy ();
		1501
1241	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));	1502	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1242	if (GET_R->Input_Context)	1503	if (Input_Context)
1243	return;	1504	return;
1244		1505
1245	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1506	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1246	if (GET_R->rs[Rs_imLocale])	1507	if (rs[Rs_imLocale])
1247	setlocale (LC_CTYPE, GET_R->rs[Rs_imLocale]);	1508	SET_LOCALE (rs[Rs_imLocale]);
1248	#endif	1509	#endif
1249		1510
1250	p = GET_R->rs[Rs_inputMethod];	1511	p = rs[Rs_inputMethod];
1251	if (p && *p)	1512	if (p && *p)
1252	{	1513	{
1253	bool found = false;	1514	bool found = false;
1254		1515
1255	s = rxvt_splitcommastring (p);	1516	s = rxvt_splitcommastring (p);
		1517
1256	for (i = 0; s[i]; i++)	1518	for (i = 0; s[i]; i++)
1257	{	1519	{
1258	if (*s[i])	1520	if (*s[i])
1259	{	1521	{
1260	STRCPY (buf, "@im=");	1522	strcpy (buf, "@im=");
1261	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1523	strncat (buf, s[i], IMBUFSIZ - 5);
1262	if ((p = XSetLocaleModifiers (buf)) && *p && GET_R->IM_get_IC ())	1524	if (IM_get_IC (buf))
1263	{	1525	{
1264	found = true;	1526	found = true;
1265	break;	1527	break;
1266	}	1528	}
1267	}	1529	}
1268	}	1530	}
1269	for (i = 0; s[i]; i++)	1531
1270	free(s[i]);	1532	rxvt_freecommastring (s);
1271	free(s);
1272		1533
1273	if (found)	1534	if (found)
1274	goto done;	1535	goto done;
1275	}	1536	}
1276		1537
1277	/* try with XMODIFIERS env. var. */	1538	/* try with XMODIFIERS env. var. */
1278	if ((p = XSetLocaleModifiers ("")) && *p	1539	if (IM_get_IC (""))
1279	&& GET_R->IM_get_IC ())
1280	goto done;	1540	goto done;
1281		1541
1282	/* try with no modifiers base IF the user didn't specify an IM */	1542	/* try with no modifiers base IF the user didn't specify an IM */
1283	if ((p = XSetLocaleModifiers ("@im=none")) && *p	1543	if (IM_get_IC ("@im=none"))
1284	&& GET_R->IM_get_IC () == True)
1285	goto done;	1544	goto done;
1286		1545
1287	done:	1546	done:
1288	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1547	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1289	if (GET_R->rs[Rs_imLocale])	1548	if (rs[Rs_imLocale])
1290	setlocale (LC_CTYPE, GET_R->locale);	1549	SET_LOCALE (locale);
1291	#endif	1550	#endif
1292	}	1551	}
1293		1552
1294	void	1553	void
1295	rxvt_term::IMSetStatusPosition ()	1554	rxvt_term::IMSetStatusPosition ()
1296	{	1555	{
1297	XRectangle preedit_rect, status_rect, *needed_rect;	1556	XRectangle preedit_rect, status_rect, *needed_rect;
1298	XVaNestedList preedit_attr, status_attr;	1557	XVaNestedList preedit_attr, status_attr;
1299		1558
1300	if (Input_Context == NULL	1559	if (!Input_Context
		1560	|| !focus
1301	|| !TermWin.focus || !(input_style & XIMPreeditArea)	1561	|| !(input_style & XIMPreeditArea)
1302	|| !IMisRunning ())	1562	|| !IMisRunning ())
1303	return;	1563	return;
1304		1564
1305	/* Getting the necessary width of preedit area */	1565	/* Getting the necessary width of preedit area */
1306	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1566	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1307	XGetICValues(Input_Context, XNStatusAttributes, status_attr, NULL);	1567	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1308	XFree(status_attr);	1568	XFree (status_attr);
1309		1569
1310	set_preedit_area(&preedit_rect, &status_rect, needed_rect);	1570	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1571	XFree (needed_rect);
1311		1572
1312	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1573	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1313	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1574	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1314		1575
1315	XSetICValues(Input_Context,	1576	XSetICValues (Input_Context,
1316	XNPreeditAttributes, preedit_attr,	1577	XNPreeditAttributes, preedit_attr,
1317	XNStatusAttributes, status_attr, NULL);	1578	XNStatusAttributes, status_attr, NULL);
1318		1579
1319	XFree(preedit_attr);	1580	XFree (preedit_attr);
1320	XFree(status_attr);	1581	XFree (status_attr);
1321	}	1582	}
1322	#endif /* USE_XIM */	1583	#endif /* USE_XIM */
1323		1584
1324	/*----------------------------------------------------------------------*/
1325	rxvt_t rxvt_current_term;
1326
1327	/*----------------------- end-of-file (C source) -----------------------*/	1585	/*----------------------- end-of-file (C source) -----------------------*/

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