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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.32 by pcg, Fri Feb 13 12:16:21 2004 UTC vs.
Revision 1.187 by root, Tue Jan 17 16:22:41 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
48	static char curlocale[128];	53	static char curlocale[128], savelocale[128];
49		54
50	void	55	bool
51	rxvt_set_locale (const char *locale)	56	rxvt_set_locale (const char *locale)
52	{	57	{
53	if (locale && STRNCMP (locale, curlocale, 128))	58	if (!locale || !strncmp (locale, curlocale, 128))
54	{	59	return false;
		60
55	STRNCPY (curlocale, locale, 128);	61	strncpy (curlocale, locale, 128);
56	setlocale (LC_CTYPE, curlocale);	62	setlocale (LC_CTYPE, curlocale);
57	}	63	return true;
58	}	64	}
59		65
60	void *	66	void
61	rxvt_term::operator new (size_t s)	67	rxvt_push_locale (const char *locale)
62	{	68	{
63	void *p = malloc (s);	69	strcpy (savelocale, curlocale);
		70	rxvt_set_locale (locale);
		71	}
64		72
65	MEMSET (p, 0, s);	73	void
		74	rxvt_pop_locale ()
		75	{
		76	rxvt_set_locale (savelocale);
		77	}
		78
		79	#if ENABLE_COMBINING
		80	class rxvt_composite_vec rxvt_composite;
		81
		82	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		83	{
		84	compose_char *cc;
		85
		86	// break compose chains, as stupid readline really likes to duplicate
		87	// composing characters for some reason near the end of a line.
		88	cc = (*this)[c1];
		89	while (cc)
		90	{
		91	if (cc->c2 == c2) return c1;
		92	cc = (*this)[cc->c1];
		93	}
		94
		95	// check to see wether this combination already exists otherwise
		96	for (cc = v.end (); cc-- > v.begin (); )
		97	{
		98	if (cc->c1 == c1 && cc->c2 == c2)
		99	return COMPOSE_LO + (cc - v.begin ());
		100	}
		101
		102	// allocate a new combination
		103	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		104	{
		105	static int seen;
		106
		107	if (!seen++)
		108	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		109
		110	return REPLACEMENT_CHAR;
		111	}
		112
		113	v.push_back (compose_char (c1, c2));
		114
		115	return v.size () - 1 + COMPOSE_LO;
		116	}
		117
		118	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		119	{
		120	compose_char *cc = (*this)[c];
		121
		122	if (!cc)
		123	{
		124	if (r) *r = c;
		125	return 1;
		126	}
		127
		128	int len = expand (cc->c1, r);
		129
		130	if (r) r += len;
		131
		132	if (cc->c2 != NOCHAR)
		133	{
		134	len++;
		135	if (r) *r++ = cc->c2;
		136	}
		137
66	return p;	138	return len;
67	}
68		139
69	void
70	rxvt_term::operator delete (void *p, size_t s)
71	{
72	free (p);
73	}	140	}
		141	#endif
74		142
75	rxvt_term::rxvt_term ()	143	rxvt_term::rxvt_term ()
76	:	144	:
		145	#if TRANSPARENT
77	rootwin_ev (this, &rxvt_term::rootwin_cb),	146	rootwin_ev (this, &rxvt_term::rootwin_cb),
		147	#endif
		148	#ifdef HAVE_SCROLLBARS
		149	scrollbar_ev (this, &rxvt_term::x_cb),
		150	#endif
		151	#ifdef CURSOR_BLINK
		152	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
		153	#endif
		154	#ifdef TEXT_BLINK
		155	text_blink_ev (this, &rxvt_term::text_blink_cb),
		156	#endif
		157	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		158	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
		159	#endif
		160	#ifdef SELECTION_SCROLLING
		161	sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
		162	#endif
		163	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		164	slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
		165	#endif
		166	#ifdef POINTER_BLANK
		167	pointer_ev (this, &rxvt_term::pointer_cb),
		168	#endif
		169	#ifdef USE_XIM
		170	im_ev (this, &rxvt_term::im_cb),
		171	#endif
78	termwin_ev (this, &rxvt_term::x_cb),	172	termwin_ev (this, &rxvt_term::x_cb),
79	vt_ev (this, &rxvt_term::x_cb),	173	vt_ev (this, &rxvt_term::x_cb),
80	#ifdef HAVE_SCROLLBARS
81	scrollbar_ev (this, &rxvt_term::x_cb),
82	#endif
83	#ifdef MENUBAR
84	menubar_ev (this, &rxvt_term::x_cb), fixme
85	#endif
86	#ifdef CURSOR_BLINK
87	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
88	#endif
89	#ifdef TEXT_BLINK
90	text_blink_ev (this, &rxvt_term::text_blink_cb),
91	#endif
92	#ifdef POINTER_BLANK
93	pointer_ev (this, &rxvt_term::pointer_cb),
94	#endif
95	check_ev (this, &rxvt_term::check_cb),	174	check_ev (this, &rxvt_term::check_cb),
		175	flush_ev (this, &rxvt_term::flush_cb),
96	destroy_ev (this, &rxvt_term::destroy_cb),	176	destroy_ev (this, &rxvt_term::destroy_cb),
97	pty_ev (this, &rxvt_term::pty_cb),	177	pty_ev (this, &rxvt_term::pty_cb),
98	incr_ev (this, &rxvt_term::incr_cb),	178	incr_ev (this, &rxvt_term::incr_cb)
		179	{
		180	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		181
		182	termlist.push_back (this);
		183
		184	#ifdef KEYSYM_RESOURCE
		185	keyboard = new keyboard_manager;
		186
		187	if (!keyboard)
		188	rxvt_fatal ("out of memory, aborting.\n");
		189	#endif
		190	}
		191
		192	// clean up the most important stuff, do *not* call x or free mem etc.
		193	// for use before an emergency exit
		194	void rxvt_term::emergency_cleanup ()
		195	{
		196	if (cmd_pid)
		197	kill (-cmd_pid, SIGHUP);
		198
		199	delete pty; pty = 0;
		200	}
		201
		202	rxvt_term::~rxvt_term ()
		203	{
		204	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		205
		206	termlist.erase (find (termlist.begin (), termlist.end(), this));
		207
		208	emergency_cleanup ();
		209
		210	#if ENABLE_STYLES
		211	for (int i = RS_styleCount; --i; )
		212	if (fontset[i] != fontset[0])
		213	delete fontset[i];
		214	#endif
		215	delete fontset[0];
		216
		217	if (display)
		218	{
		219	dDisp;
		220
		221	selection_clear ();
		222
99	#ifdef USE_XIM	223	#ifdef USE_XIM
100	im_ev (this, &rxvt_term::im_cb)	224	im_destroy ();
101	#endif	225	#endif
102	{	226	#ifdef XTERM_SCROLLBAR
103	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	227	if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
104	}	228	if (ShadowGC) XFreeGC (disp, ShadowGC);
		229	#endif
		230	#ifdef PLAIN_SCROLLBAR
		231	if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
		232	#endif
		233	#ifdef NEXT_SCROLLBAR
		234	if (blackGC) XFreeGC (disp, blackGC);
		235	if (whiteGC) XFreeGC (disp, whiteGC);
		236	if (grayGC) XFreeGC (disp, grayGC);
		237	if (darkGC) XFreeGC (disp, darkGC);
		238	if (stippleGC) XFreeGC (disp, stippleGC);
		239	if (dimple) XFreePixmap (disp, dimple);
		240	if (upArrow) XFreePixmap (disp, upArrow);
		241	if (downArrow) XFreePixmap (disp, downArrow);
		242	if (upArrowHi) XFreePixmap (disp, upArrowHi);
		243	if (downArrowHi) XFreePixmap (disp, downArrowHi);
		244	#endif
		245	#ifdef RXVT_SCROLLBAR
		246	if (topShadowGC) XFreeGC (disp, topShadowGC);
		247	if (botShadowGC) XFreeGC (disp, botShadowGC);
		248	if (scrollbarGC) XFreeGC (disp, scrollbarGC);
		249	#endif
		250	if (gc) XFreeGC (disp, gc);
105		251
106	rxvt_term::~rxvt_term ()	252	delete drawable;
107	{	253	// destroy all windows
108	if (cmd_fd >= 0)	254	if (parent[0])
109	close (cmd_fd);	255	XDestroyWindow (disp, parent[0]);
		256	}
		257
		258	// TODO: free pixcolours, colours should become part of rxvt_display
		259	delete pix_colors_focused;
		260	#if OFF_FOCUS_FADING
		261	delete pix_colors_unfocused;
		262	#endif
		263
		264	displays.put (display);
110		265
111	scr_release ();	266	scr_release ();
112		267
		268	/* clear all resources */
		269	for (int i = 0; i < allocated.size (); i++)
		270	free (allocated [i]);
		271
		272	free (selection.text);
		273	// TODO: manage env vars in child only(!)
		274	free (env_windowid);
		275	free (env_display);
		276	free (env_term);
		277	free (env_colorfgbg);
113	free (locale);	278	free (locale);
114	free (codeset);	279	free (v_buffer);
		280	free (incr_buf);
115		281
116	#ifndef NO_SETOWNER_TTYDEV	282	delete envv;
117	privileged_ttydev (RESTORE);	283	delete argv;
118	#endif
119	#ifdef UTMP_SUPPORT
120	privileged_utmp (RESTORE);
121	#endif
122		284
123	// TODO: free pixcolours, colours should become part of rxvt_display	285	#ifdef KEYSYM_RESOURCE
		286	delete keyboard;
		287	#endif
		288	}
124		289
125	delete PixColors;	290	void
126	delete TermWin.fontset;	291	rxvt_term::child_exit ()
		292	{
		293	cmd_pid = 0;
127		294
128	displays.put (display);	295	if (!OPTION (Opt_hold))
		296	destroy ();
129	}	297	}
130		298
131	void	299	void
132	rxvt_term::destroy ()	300	rxvt_term::destroy ()
133	{	301	{
		302	if (destroy_ev.active)
		303	return;
		304
		305	#if ENABLE_OVERLAY
		306	scr_overlay_off ();
		307	#endif
		308
134	if (display)	309	if (display)
135	{	310	{
136	if (TermWin.parent[0])	311	#if USE_XIM
137	XDestroyWindow (display->display, TermWin.parent[0]);	312	im_ev.stop (display);
138		313	#endif
		314	#if HAVE_SCROLLBARS
		315	scrollbar_ev.stop (display);
		316	#endif
		317	#if TRANSPARENT
139	rootwin_ev.stop (display);	318	rootwin_ev.stop (display);
		319	#endif
		320	incr_ev.stop ();
140	termwin_ev.stop (display);	321	termwin_ev.stop (display);
141	vt_ev.stop (display);	322	vt_ev.stop (display);
142
143	#ifdef USE_XIM
144	im_destroy ();
145	im_ev.stop (display);
146	#endif
147	#ifdef HAVE_SCROLLBARS
148	scrollbar_ev.stop (display);
149	#endif
150	#ifdef MENUBAR
151	menubar_ev.stop (display);
152	#endif
153	}	323	}
154		324
155	check_ev.stop ();	325	check_ev.stop ();
156	pty_ev.stop ();	326	pty_ev.stop ();
157	#ifdef CURSOR_BLINK	327	#ifdef CURSOR_BLINK
158	cursor_blink_ev.stop ();	328	cursor_blink_ev.stop ();
159	#endif	329	#endif
160	#ifdef TEXT_BLINK	330	#ifdef TEXT_BLINK
161	text_blink_ev.stop ();	331	text_blink_ev.stop ();
162	#endif	332	#endif
		333	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		334	cont_scroll_ev.stop ();
		335	#endif
		336	#ifdef SELECTION_SCROLLING
		337	sel_scroll_ev.stop ();
		338	#endif
163	#ifdef POINTER_BLANK	339	#ifdef POINTER_BLANK
164	pointer_ev.stop ();	340	pointer_ev.stop ();
165	#endif	341	#endif
166		342
167	destroy_ev.start (0);	343	destroy_ev.start (0);
168	}	344	}
169		345
170	void	346	void
171	rxvt_term::destroy_cb (time_watcher &w)	347	rxvt_term::destroy_cb (time_watcher &w)
172	{	348	{
173	SET_R (this);	349	make_current ();
174		350
175	delete this;	351	delete this;
176	}
177
178	/*----------------------------------------------------------------------*/
179	/* rxvt_init () */
180	/* LIBPROTO */
181	rxvt_t
182	rxvt_init (int argc, const char *const *argv)
183	{
184	SET_R (new rxvt_term);
185
186	if (!GET_R->init_vars () || !GET_R->init (argc, argv))
187	{
188	delete GET_R;
189	SET_R (0);
190	}
191
192	return GET_R;
193	}
194
195	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
196
197	void
198	rxvt_init_signals ()
199	{
200	/* install exit handler for cleanup */
201	#if 0
202	#ifdef HAVE_ATEXIT
203	atexit (rxvt_clean_exit);
204	#else
205	#endif
206	#endif
207
208	struct sigaction sa;
209
210	sigfillset (&sa.sa_mask);
211	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
212	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
213	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
214	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
215	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
216	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
217	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
218
219	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
220	/* signal (SIGURG, SIG_DFL); */
221
222	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
223	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
224	}
225
226	bool
227	rxvt_term::init (int argc, const char *const *argv)
228	{
229	/*
230	* Save and then give up any super-user privileges
231	* If we need privileges in any area then we must specifically request it.
232	* We should only need to be root in these cases:
233	* 1. write utmp entries on some systems
234	* 2. chown tty on some systems
235	*/
236	privileges (SAVE);
237	privileges (IGNORE);
238
239	init_secondary ();
240
241	const char **cmd_argv = init_resources (argc, argv);
242
243	set_locale ("");
244
245	#if (MENUBAR_MAX)
246	menubar_read (rs[Rs_menu]);
247	#endif
248	#ifdef HAVE_SCROLLBARS
249	if (Options & Opt_scrollBar)
250	scrollBar.setIdle (); /* set existence for size calculations */
251	#endif
252
253	create_windows (argc, argv);
254
255	init_xlocale ();
256
257	scr_reset (); /* initialize screen */
258	#ifdef RXVT_GRAPHICS
259	Gr_reset (); /* reset graphics */
260	#endif
261
262	#if 0
263	#ifdef DEBUG_X
264	XSynchronize (display->display, True);
265	#endif
266	#endif
267
268	#ifdef HAVE_SCROLLBARS
269	if (Options & Opt_scrollBar)
270	resize_scrollbar (); /* create and map scrollbar */
271	#endif
272	#if (MENUBAR_MAX)
273	if (menubar_visible (r))
274	XMapWindow (display->display, menuBar.win);
275	#endif
276	#ifdef TRANSPARENT
277	if (Options & Opt_transparent)
278	{
279	XSelectInput (display->display, display->root, PropertyChangeMask);
280	check_our_parents ();
281	}
282	#endif
283
284	rootwin_ev.start (display, display->root);
285
286	XMapWindow (display->display, TermWin.vt);
287	XMapWindow (display->display, TermWin.parent[0]);
288
289	init_env ();
290	init_command (cmd_argv);
291
292	pty_ev.start (cmd_fd, EVENT_READ);
293
294	check_ev.start ();
295
296	return true;
297	}
298
299	/* ------------------------------------------------------------------------- *
300	* SIGNAL HANDLING & EXIT HANDLER *
301	* ------------------------------------------------------------------------- */
302	/*
303	* Catch a SIGCHLD signal and exit if the direct child has died
304	*/
305	/* ARGSUSED */
306	/* EXTPROTO */
307	RETSIGTYPE
308	rxvt_Child_signal (int sig __attribute__ ((unused)))
309	{
310	int pid, save_errno = errno;
311	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
312	;
313	errno = save_errno;
314
315	#if 0
316	if (pid == cmd_pid)
317	exit (EXIT_SUCCESS);
318	#endif
319	}
320
321	/*
322	* Catch a fatal signal and tidy up before quitting
323	*/
324	/* EXTPROTO */
325	RETSIGTYPE
326	rxvt_Exit_signal (int sig)
327	{
328	signal (sig, SIG_DFL);
329	#ifdef DEBUG_CMD
330	rxvt_print_error ("signal %d", sig);
331	#endif
332	rxvt_clean_exit ();
333	kill (getpid (), sig);
334	}
335
336	/* INTPROTO */
337	int
338	rxvt_xerror_handler (Display *display, XErrorEvent *event)
339	{
340	if (GET_R->allowedxerror == -1)
341	GET_R->allowedxerror = event->error_code;
342	else
343	{
344	old_xerror_handler (display, event);
345	GET_R->destroy ();
346	}
347
348	return 0;
349	}	352	}
350		353
351	/*----------------------------------------------------------------------*/	354	/*----------------------------------------------------------------------*/
352	/*	355	/*
353	* Exit gracefully, clearing the utmp entry and restoring tty attributes	356	* Exit gracefully, clearing the utmp entry and restoring tty attributes
354	* TODO: if debugging, this should free up any known resources if we can	357	* TODO: if debugging, this should free up any known resources if we can
355	*/	358	*/
356	/* EXTPROTO */	359	static XErrorHandler old_xerror_handler;
		360
		361	static void
		362	rxvt_emergency_cleanup ()
		363	{
		364	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		365	(*t)->emergency_cleanup ();
		366	}
		367
		368	#if ENABLE_FRILLS
		369	static void
		370	print_x_error (Display *dpy, XErrorEvent *event)
		371	{
		372	char buffer[BUFSIZ];
		373	char mesg[BUFSIZ];
		374	char number[32];
		375	char *mtype = "XlibMessage";
		376	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		377	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		378	rxvt_warn ("An X Error occured, trying to continue after report.\n");
		379	rxvt_warn ("%s: %s\n", mesg, buffer);
		380	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		381	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		382	sprintf(number, "%d", event->request_code);
		383	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		384	rxvt_warn ("(which is %s)\n", buffer);
		385	if (event->request_code >= 128) {
		386	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		387	mesg, BUFSIZ);
		388	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		389	}
		390	if ((event->error_code == BadWindow) ||
		391	(event->error_code == BadPixmap) ||
		392	(event->error_code == BadCursor) ||
		393	(event->error_code == BadFont) ||
		394	(event->error_code == BadDrawable) ||
		395	(event->error_code == BadColor) ||
		396	(event->error_code == BadGC) ||
		397	(event->error_code == BadIDChoice) ||
		398	(event->error_code == BadValue) ||
		399	(event->error_code == BadAtom)) {
		400	if (event->error_code == BadValue)
		401	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		402	mesg, BUFSIZ);
		403	else if (event->error_code == BadAtom)
		404	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		405	mesg, BUFSIZ);
		406	else
		407	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		408	mesg, BUFSIZ);
		409	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		410	}
		411	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		412	mesg, BUFSIZ);
		413	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		414	}
		415	#endif
		416
		417	int
		418	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		419	{
		420	if (GET_R->allowedxerror == -1)
		421	GET_R->allowedxerror = event->error_code;
		422	else
		423	{
		424	// GET_R is most likely not the terminal which caused the error,
		425	// so just output the error and continue
		426	#if ENABLE_FRILLS
		427	print_x_error (display, event);
		428	#else
		429	old_xerror_handler (display, event);
		430	#endif
		431	}
		432
		433	return 0;
		434	}
		435
		436	int
		437	rxvt_xioerror_handler (Display *display)
		438	{
		439	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		440	DisplayString (display));
		441	rxvt_emergency_cleanup ();
		442	_exit (EXIT_FAILURE);
		443	}
		444
		445	/*----------------------------------------------------------------------*/
		446	bool
		447	rxvt_term::init (int argc, const char *const *argv)
		448	{
		449	SET_R (this);
		450	set_locale ("");
		451	set_environ (envv); // few things in X do not call setlocale :(
		452
		453	if (!init_vars ())
		454	return false;
		455
		456	init_secondary ();
		457
		458	const char **cmd_argv = init_resources (argc, argv);
		459
		460	#ifdef KEYSYM_RESOURCE
		461	keyboard->register_done ();
		462	#endif
		463
		464	#ifdef HAVE_SCROLLBARS
		465	if (OPTION (Opt_scrollBar))
		466	scrollBar.setIdle (); /* set existence for size calculations */
		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	pty = rxvt_new_ptytty ();
		483
		484	create_windows (argc, argv);
		485
		486	dDisp;
		487
		488	init_xlocale ();
		489
		490	scr_reset (); // initialize screen
		491
		492	#if 0
		493	XSynchronize (disp, True);
		494	#endif
		495
		496	#ifdef HAVE_SCROLLBARS
		497	if (OPTION (Opt_scrollBar))
		498	resize_scrollbar (); /* create and map scrollbar */
		499	#endif
		500	#ifdef TRANSPARENT
		501	if (OPTION (Opt_transparent))
		502	{
		503	XSelectInput (disp, display->root, PropertyChangeMask);
		504	check_our_parents ();
		505	rootwin_ev.start (display, display->root);
		506	}
		507	#endif
		508
		509	XMapWindow (disp, vt);
		510	XMapWindow (disp, parent[0]);
		511
		512	set_colorfgbg ();
		513
		514	init_command (cmd_argv);
		515
		516	free (cmd_argv);
		517
		518	if (pty->pty >= 0)
		519	pty_ev.start (pty->pty, EVENT_READ);
		520
		521	check_ev.start ();
		522
		523	HOOK_INVOKE ((this, HOOK_START, DT_END));
		524
		525	return true;
		526	}
		527
		528	static struct sig_handlers
		529	{
		530	sig_watcher sw_chld, sw_term, sw_int;
		531
		532	void sig_chld (sig_watcher &w)
		533	{
		534	// we are being called for every SIGCHLD, find the corresponding term
		535	int pid;
		536
		537	while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
		538	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		539	if (pid == (*t)->cmd_pid)
		540	{
		541	(*t)->child_exit ();
		542	break;
		543	}
		544	}
		545
		546	/*
		547	* Catch a fatal signal and tidy up before quitting
		548	*/
357	void	549	void
358	rxvt_clean_exit ()	550	sig_term (sig_watcher &w)
		551	{
		552	#ifdef DEBUG_CMD
		553	rxvt_warn ("caught signal %d, exiting.\n", w.signum);
		554	#endif
		555	rxvt_emergency_cleanup ();
		556	signal (w.signum, SIG_DFL);
		557	kill (getpid (), w.signum);
		558	}
		559
		560	sig_handlers ()
		561	: sw_chld (this, &sig_handlers::sig_chld),
		562	sw_term (this, &sig_handlers::sig_term),
		563	sw_int (this, &sig_handlers::sig_term)
		564	{
		565	}
		566	} sig_handlers;
		567
		568	char **rxvt_environ; // startup environment
		569
		570	void
		571	rxvt_init ()
359	{	572	{
360	// TODO: rxvtd should clean up all ressources	573	uid_t uid = getuid ();
361	if (GET_R)	574	gid_t gid = getgid ();
362	GET_R->destroy ();	575
		576	// before doing anything else, check for setuid/setgid operation,
		577	// start the helper process and drop privileges
		578	if (uid != geteuid ()
		579	|| 1 //D
		580	|| gid != getegid ())
		581	{
		582	#if PTYTTY_HELPER
		583	rxvt_ptytty_server ();
		584	#else
		585	rxvt_warn ("running setuid/setgid without pty helper compiled in, continuing unprivileged.\n");
		586	#endif
		587
		588	// drop privileges
		589	#if HAVE_SETRESUID
		590	setresgid (gid, gid, gid);
		591	setresuid (uid, uid, uid);
		592	#elif HAVE_SETREUID
		593	setregid (gid, gid);
		594	setreuid (uid, uid);
		595	#elif HAVE_SETUID
		596	setgid (gid);
		597	setuid (uid);
		598	#endif
		599
		600	if (uid != geteuid ()
		601	|| gid != getegid ())
		602	rxvt_fatal ("unable to drop privileges, aborting.\n");
		603	}
		604
		605	rxvt_environ = environ;
		606
		607	signal (SIGHUP, SIG_IGN);
		608	signal (SIGPIPE, SIG_IGN);
		609
		610	sig_handlers.sw_chld.start (SIGCHLD);
		611	sig_handlers.sw_term.start (SIGTERM);
		612	sig_handlers.sw_int.start (SIGINT);
		613
		614	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		615	/* signal (SIGURG, SIG_DFL); */
		616
		617	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		618	// TODO: handle this with exceptions and tolerate the memory loss
		619	XSetIOErrorHandler (rxvt_xioerror_handler);
		620
		621	XrmInitialize ();
363	}	622	}
364		623
365	/* ------------------------------------------------------------------------- *	624	/* ------------------------------------------------------------------------- *
366	* MEMORY ALLOCATION WRAPPERS *	625	* MEMORY ALLOCATION WRAPPERS *
367	* ------------------------------------------------------------------------- */	626	* ------------------------------------------------------------------------- */
368	/* EXTPROTO */	627	void *
369	void *
370	rxvt_malloc (size_t size)	628	rxvt_malloc (size_t size)
371	{	629	{
372	void *p;
373
374	p = malloc (size);	630	void *p = malloc (size);
		631
375	if (p)	632	if (!p)
		633	rxvt_fatal ("memory allocation failure. aborting.\n");
		634
376	return p;	635	return p;
377
378	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
379	rxvt_clean_exit ();
380	exit (EXIT_FAILURE);
381	/* NOTREACHED */
382	}	636	}
383		637
384	/* EXTPROTO */	638	void *
385	void *
386	rxvt_calloc (size_t number, size_t size)	639	rxvt_calloc (size_t number, size_t size)
387	{	640	{
388	void *p;
389
390	p = calloc (number, size);	641	void *p = calloc (number, size);
		642
391	if (p)	643	if (!p)
		644	rxvt_fatal ("memory allocation failure. aborting.\n");
		645
392	return p;	646	return p;
393
394	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
395	rxvt_clean_exit ();
396	exit (EXIT_FAILURE);
397	/* NOTREACHED */
398	}	647	}
399		648
400	/* EXTPROTO */
401	void *	649	void *
402	rxvt_realloc (void *ptr, size_t size)	650	rxvt_realloc (void *ptr, size_t size)
403	{	651	{
404	void *p;
405
406	if (ptr)
407	p = realloc (ptr, size);	652	void *p = realloc (ptr, size);
408	else	653
409	p = malloc (size);
410	if (p)	654	if (!p)
		655	rxvt_fatal ("memory allocation failure. aborting.\n");
		656
411	return p;	657	return p;
412
413	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
414	rxvt_clean_exit ();
415	exit (EXIT_FAILURE);
416	/* NOTREACHED */
417	}	658	}
418
419	/* ------------------------------------------------------------------------- *
420	* PRIVILEGED OPERATIONS *
421	* ------------------------------------------------------------------------- */
422	/* take care of suid/sgid super-user (root) privileges */
423	void
424	rxvt_term::privileges (int mode)
425	{
426	#if ! defined(__CYGWIN32__)
427	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
428	/* setreuid () is the poor man's setuid (), seteuid () */
429	# define seteuid(a) setreuid(-1, (a))
430	# define setegid(a) setregid(-1, (a))
431	# define HAVE_SETEUID
432	# endif
433	# ifdef HAVE_SETEUID
434	switch (mode)
435	{
436	case IGNORE:
437	/*
438	* change effective uid/gid - not real uid/gid - so we can switch
439	* back to root later, as required
440	*/
441	seteuid (getuid ());
442	setegid (getgid ());
443	break;
444	case SAVE:
445	euid = geteuid ();
446	egid = getegid ();
447	break;
448	case RESTORE:
449	seteuid (euid);
450	setegid (egid);
451	break;
452	}
453	# else
454	switch (mode)
455	{
456	case IGNORE:
457	setuid (getuid ());
458	setgid (getgid ());
459	/* FALLTHROUGH */
460	case SAVE:
461	/* FALLTHROUGH */
462	case RESTORE:
463	break;
464	}
465	# endif
466	#endif
467	}
468
469	#ifdef UTMP_SUPPORT
470	void
471	rxvt_term::privileged_utmp (char action)
472	{
473	D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)",
474	action, next_utmp_action, getpid ()));
475	if (next_utmp_action != action || (action != SAVE && action != RESTORE)
476	|| (Options & Opt_utmpInhibit)
477	|| ttydev == NULL || *ttydev == '\0')
478	return;
479
480	privileges (RESTORE);
481	if (action == SAVE)
482	{
483	next_utmp_action = RESTORE;
484	makeutent (ttydev, rs[Rs_display_name]);
485	}
486	else
487	{ /* action == RESTORE */
488	next_utmp_action = IGNORE;
489	cleanutent ();
490	}
491	privileges (IGNORE);
492	}
493	#endif
494
495	#ifndef NO_SETOWNER_TTYDEV
496	void
497	rxvt_term::privileged_ttydev (char action)
498	{
499	D_MAIN ((stderr,
500	"privileged_ttydev (%c); waiting for: %c (pid: %d)",
501	action, next_tty_action, getpid ()));
502	if (next_tty_action != action || (action != SAVE && action != RESTORE)
503	|| ttydev == NULL || *ttydev == '\0')
504	return;
505
506	privileges (RESTORE);
507
508	if (action == SAVE)
509	{
510	next_tty_action = RESTORE;
511	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
512	/* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */
513	if (lstat (ttydev, &ttyfd_stat) < 0) /* you lose out */
514	next_tty_action = IGNORE;
515	else
516	# endif
517
518	{
519	chown (ttydev, getuid (), ttygid); /* fail silently */
520	chmod (ttydev, ttymode);
521	# ifdef HAVE_REVOKE
522	revoke (ttydev);
523	# endif
524
525	}
526	}
527	else
528	{ /* action == RESTORE */
529	next_tty_action = IGNORE;
530	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
531	chmod (ttydev, ttyfd_stat.st_mode);
532	chown (ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
533	# else
534	chmod (ttydev,
535	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
536	chown (ttydev, 0, 0);
537	# endif
538
539	}
540
541	privileges (IGNORE);
542
543	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
544	D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
545	action == RESTORE ? "Restoring" : (action ==
546	SAVE ? "Saving" :
547	"UNKNOWN ERROR for"), ttydev,
548	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
549	ttyfd_stat.st_gid));
550	# endif
551	}
552	#endif
553		659
554	/*----------------------------------------------------------------------*/	660	/*----------------------------------------------------------------------*/
555	/*	661	/*
556	* window size/position calculcations for XSizeHint and other storage.	662	* window size/position calculcations for XSizeHint and other storage.
557	* if width/height are non-zero then override calculated width/height	663	* if width/height are non-zero then override calculated width/height
558	*/	664	*/
559	void	665	void
560	rxvt_term::window_calc (unsigned int width, unsigned int height)	666	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
561	{	667	{
562	short recalc_x, recalc_y;	668	short recalc_x, recalc_y;
563	int x, y, sb_w, mb_h, flags;	669	int x, y, sb_w, flags;
564	unsigned int w, h;	670	unsigned int w, h;
565	unsigned int max_width, max_height;	671	unsigned int max_width, max_height;
		672	dDisp;
566		673
567	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	674	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
568	TermWin.ncol, TermWin.nrow, szHint.width,	675	ncol, nrow, szHint.width, szHint.height));
569	szHint.height));	676
570	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	677	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
571	szHint.win_gravity = NorthWestGravity;	678	szHint.win_gravity = NorthWestGravity;
572	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	679	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
573		680
574	recalc_x = recalc_y = 0;	681	recalc_x = recalc_y = 0;
575	flags = 0;	682	flags = 0;
		683
576	if (!parsed_geometry)	684	if (!parsed_geometry)
577	{	685	{
578	parsed_geometry = 1;	686	parsed_geometry = 1;
		687
579	if (rs[Rs_geometry])	688	if (rs[Rs_geometry])
580	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);	689	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		690
581	if (flags & WidthValue)	691	if (flags & WidthValue)
582	{	692	{
583	TermWin.ncol = BOUND_POSITIVE_INT16 (w);	693	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
584	szHint.flags |= USSize;	694	szHint.flags |= USSize;
585	}	695	}
		696
586	if (flags & HeightValue)	697	if (flags & HeightValue)
587	{	698	{
588	TermWin.nrow = BOUND_POSITIVE_INT16 (h);	699	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
589	szHint.flags |= USSize;	700	szHint.flags |= USSize;
590	}	701	}
		702
591	if (flags & XValue)	703	if (flags & XValue)
592	{	704	{
593	szHint.x = x;	705	szHint.x = x;
594	szHint.flags |= USPosition;	706	szHint.flags |= USPosition;
		707
595	if (flags & XNegative)	708	if (flags & XNegative)
596	{	709	{
597	recalc_x = 1;	710	recalc_x = 1;
598	szHint.win_gravity = NorthEastGravity;	711	szHint.win_gravity = NorthEastGravity;
599	}	712	}
600	}	713	}
		714
601	if (flags & YValue)	715	if (flags & YValue)
602	{	716	{
603	szHint.y = y;	717	szHint.y = y;
604	szHint.flags |= USPosition;	718	szHint.flags |= USPosition;
		719
605	if (flags & YNegative)	720	if (flags & YNegative)
606	{	721	{
607	recalc_y = 1;	722	recalc_y = 1;
		723
608	if (szHint.win_gravity == NorthEastGravity)	724	if (szHint.win_gravity == NorthEastGravity)
609	szHint.win_gravity = SouthEastGravity;	725	szHint.win_gravity = SouthEastGravity;
610	else	726	else
611	szHint.win_gravity = SouthWestGravity;	727	szHint.win_gravity = SouthWestGravity;
612	}	728	}
613	}	729	}
614	}	730	}
		731
615	/* TODO: BOUNDS */	732	/* TODO: BOUNDS */
616	TermWin.width = TermWin.ncol * TermWin.fwidth;	733	width = ncol * fwidth;
617	TermWin.height = TermWin.nrow * TermWin.fheight;	734	height = nrow * fheight;
618	max_width = MAX_COLS * TermWin.fwidth;	735	max_width = MAX_COLS * fwidth;
619	max_height = MAX_ROWS * TermWin.fheight;	736	max_height = MAX_ROWS * fheight;
620		737
621	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	738	szHint.base_width = szHint.base_height = 2 * int_bwidth;
622		739
623	sb_w = mb_h = 0;	740	sb_w = 0;
624	window_vt_x = window_vt_y = 0;	741	window_vt_x = window_vt_y = int_bwidth;
625	if (scrollbar_visible ())	742
		743	if (scrollBar.state)
626	{	744	{
627	sb_w = scrollbar_TotalWidth ();	745	sb_w = scrollbar_TotalWidth ();
628	szHint.base_width += sb_w;	746	szHint.base_width += sb_w;
629	if (! (Options & Opt_scrollBar_right))	747	if (!OPTION (Opt_scrollBar_right))
630	window_vt_x = sb_w;	748	window_vt_x += sb_w;
631	}
632	if (menubar_visible ())
633	{	749	}
634	mb_h = menuBar_TotalHeight ();	750
635	szHint.base_height += mb_h;
636	window_vt_y = mb_h;
637	}
638	szHint.width_inc = TermWin.fwidth;	751	szHint.width_inc = fwidth;
639	szHint.height_inc = TermWin.fheight;	752	szHint.height_inc = fheight;
640	szHint.min_width = szHint.base_width + szHint.width_inc;	753	szHint.min_width = szHint.base_width + szHint.width_inc;
641	szHint.min_height = szHint.base_height + szHint.height_inc;	754	szHint.min_height = szHint.base_height + szHint.height_inc;
642		755
643	if (width && width - szHint.base_width < max_width)	756	if (newwidth && newwidth - szHint.base_width < max_width)
644	{	757	{
645	szHint.width = width;	758	szHint.width = newwidth;
646	TermWin.width = width - szHint.base_width;	759	width = newwidth - szHint.base_width;
647	}	760	}
648	else	761	else
649	{	762	{
650	MIN_IT (TermWin.width, max_width);	763	min_it (width, max_width);
651	szHint.width = szHint.base_width + TermWin.width;	764	szHint.width = szHint.base_width + width;
652	}	765	}
		766
653	if (height && height - szHint.base_height < max_height)	767	if (newheight && newheight - szHint.base_height < max_height)
654	{	768	{
655	szHint.height = height;	769	szHint.height = newheight;
656	TermWin.height = height - szHint.base_height;	770	height = newheight - szHint.base_height;
657	}	771	}
658	else	772	else
659	{	773	{
660	MIN_IT (TermWin.height, max_height);	774	min_it (height, max_height);
661	szHint.height = szHint.base_height + TermWin.height;	775	szHint.height = szHint.base_height + height;
662	}	776	}
663	if (scrollbar_visible () && (Options & Opt_scrollBar_right))	777
		778	if (scrollBar.state && OPTION (Opt_scrollBar_right))
664	window_sb_x = szHint.width - sb_w;	779	window_sb_x = szHint.width - sb_w;
665		780
666	if (recalc_x)	781	if (recalc_x)
667	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	782	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
668	- szHint.width - 2 * TermWin.ext_bwidth);
669	if (recalc_y)	783	if (recalc_y)
670	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	784	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
671	- szHint.height - 2 * TermWin.ext_bwidth);
672		785
673	TermWin.ncol = TermWin.width / TermWin.fwidth;	786	ncol = width / fwidth;
674	TermWin.nrow = TermWin.height / TermWin.fheight;	787	nrow = height / fheight;
675	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	788	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
676	TermWin.ncol, TermWin.nrow, szHint.width,	789	ncol, nrow, szHint.width,
677	szHint.height));	790	szHint.height));
678	return;	791	return;
679	}	792	}
680		793
681	/*----------------------------------------------------------------------*/	794	/*----------------------------------------------------------------------*/
…		…
684	* Called after a window size change.	797	* Called after a window size change.
685	*/	798	*/
686	void	799	void
687	rxvt_term::tt_winch ()	800	rxvt_term::tt_winch ()
688	{	801	{
		802	if (pty->pty < 0)
		803	return;
		804
689	struct winsize ws;	805	struct winsize ws;
690		806
691	if (cmd_fd < 0)
692	return;
693
694	ws.ws_col = TermWin.ncol;	807	ws.ws_col = ncol;
695	ws.ws_row = TermWin.nrow;	808	ws.ws_row = nrow;
696	ws.ws_xpixel = ws.ws_ypixel = 0;	809	ws.ws_xpixel = width;
697	#ifndef DEBUG_SIZE	810	ws.ws_ypixel = height;
698	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	811	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
699	#else	812
700	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	813	#if 0
701	D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	814	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
702	# ifdef SIGWINCH
703	else if (cmd_pid) /* force through to the command */	815	if (cmd_pid) /* force through to the command */
704	kill (cmd_pid, SIGWINCH);	816	kill (-cmd_pid, SIGWINCH);
705	# endif
706	#endif	817	#endif
707	}	818	}
708		819
709	/*----------------------------------------------------------------------*/	820	/*----------------------------------------------------------------------*/
710	/* rxvt_change_font () - Switch to a new font */	821	/* set_fonts () - load and set the various fonts
711	/*	822	*
712	* init = 1 - initialize	823	* init = 1 - initialize
713	*	824	*
714	* fontname == FONT_UP - switch to bigger font	825	* fontname == FONT_UP - switch to bigger font
715	* fontname == FONT_DN - switch to smaller font	826	* fontname == FONT_DN - switch to smaller font
716	*/	827	*/
717	void	828	bool
718	rxvt_term::change_font (int init, const char *fontname)	829	rxvt_term::set_fonts ()
719	{}	830	{
		831	rxvt_fontset *fs = new rxvt_fontset (this);
		832	rxvt_fontprop prop;
720		833
721	void	834	if (!fs
722	rxvt_term::font_up_down (int n, int direction)	835	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
723	{}	836	|| !fs->realize_font (1))
		837	{
		838	delete fs;
		839	return false;
		840	}
		841
		842	#if ENABLE_STYLES
		843	for (int i = RS_styleCount; --i; )
		844	if (fontset[i] != fontset[0])
		845	delete fontset[i];
		846	#endif
		847
		848	delete fontset[0];
		849	fontset[0] = fs;
		850
		851	prop = (*fs)[1]->properties ();
		852	prop.height += lineSpace;
		853	fs->set_prop (prop);
		854
		855	fwidth = prop.width;
		856	fheight = prop.height;
		857	fbase = prop.ascent;
		858
		859	for (int style = 1; style < 4; style++)
		860	{
		861	#if ENABLE_STYLES
		862	const char *res = rs[Rs_font + style];
		863
		864	if (res && !*res)
		865	fontset[style] = fontset[0];
		866	else
		867	{
		868	fontset[style] = fs = new rxvt_fontset (this);
		869	rxvt_fontprop prop2 = prop;
		870
		871	if (res)
		872	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		873	else
		874	{
		875	res = fontset[0]->fontdesc;
		876
		877	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		878	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		879	}
		880
		881	fs->populate (res);
		882	fs->set_prop (prop2);
		883	}
		884	#else
		885	fontset[style] = fontset[0];
		886	#endif
		887	}
		888
		889	if (parent[0])
		890	{
		891	resize_all_windows (0, 0, 0);
		892	scr_remap_chars ();
		893	scr_touch (true);
		894	}
		895
		896	return true;
		897	}
		898
		899	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
		900	{
		901	XChangeProperty (display->display, parent[0],
		902	prop, XA_STRING, 8, PropModeReplace,
		903	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		904	}
		905
		906	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		907	{
		908	wchar_t *ws = rxvt_mbstowcs (str, len);
		909	char *s = rxvt_wcstoutf8 (ws);
		910
		911	XChangeProperty (display->display, parent[0],
		912	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		913	(const unsigned char *)s, strlen (s));
		914
		915	free (s);
		916	free (ws);
		917	}
724		918
725	/*----------------------------------------------------------------------*/	919	/*----------------------------------------------------------------------*/
726	/*----------------------------------------------------------------------*/	920	/*----------------------------------------------------------------------*/
727	/* xterm sequences - title, iconName, color (exptl) */	921	/* xterm sequences - title, iconName, color (exptl) */
728	void	922	void
729	rxvt_term::set_title (const char *str)	923	rxvt_term::set_title (const char *str)
730	{	924	{
731	#ifndef SMART_WINDOW_TITLE	925	set_string_property (XA_WM_NAME, str);
732	XStoreName (display->display, TermWin.parent[0], str);	926	#if ENABLE_EWMH
733	#else	927	set_utf8_property (xa[XA_NET_WM_NAME], str);
734	char *name;
735
736	if (XFetchName (display->display, TermWin.parent[0], &name) == 0)
737	name = NULL;
738	if (name == NULL || STRCMP (name, str))
739	XStoreName (display->display, TermWin.parent[0], str);
740	if (name)
741	XFree (name);
742	#endif	928	#endif
743	}	929	}
744		930
745	void	931	void
746	rxvt_term::set_iconName (const char *str)	932	rxvt_term::set_icon_name (const char *str)
747	{	933	{
748	#ifndef SMART_WINDOW_TITLE	934	set_string_property (XA_WM_ICON_NAME, str);
749	XSetIconName (display->display, TermWin.parent[0], str);	935	#if ENABLE_EWMH
750	#else	936	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
751	char *name;
752
753	if (XGetIconName (display->display, TermWin.parent[0], &name))
754	name = NULL;
755	if (name == NULL || STRCMP (name, str))
756	XSetIconName (display->display, TermWin.parent[0], str);
757	if (name)
758	XFree (name);
759	#endif	937	#endif
760	}	938	}
761		939
762	#ifdef XTERM_COLOR_CHANGE	940	#ifdef XTERM_COLOR_CHANGE
763	void	941	void
764	rxvt_term::set_window_color (int idx, const char *color)	942	rxvt_term::set_window_color (int idx, const char *color)
765	{	943	{
766	rxvt_color xcol;	944	rxvt_color xcol;
767	int i;	945	int i;
768		946
769	if (color == NULL || *color == '\0')	947	if (color == NULL || *color == '\0')
770	return;	948	return;
771		949
772	/* handle color aliases */	950	/* handle color aliases */
773	if (isdigit (*color))	951	if (isdigit (*color))
774	{	952	{
775	i = atoi (color);	953	i = atoi (color);
		954
776	if (i >= 8 && i <= 15)	955	if (i >= 8 && i <= 15)
777	{ /* bright colors */	956	{ /* bright colors */
778	i -= 8;	957	i -= 8;
779	# ifndef NO_BRIGHTCOLOR
780	PixColors[idx] = PixColors[minBrightCOLOR + i];	958	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
781	SET_PIXCOLOR (idx);	959	SET_PIXCOLOR (idx);
782	goto Done;	960	goto done;
783	# endif
784
785	}	961	}
		962
786	if (i >= 0 && i <= 7)	963	if (i >= 0 && i <= 7)
787	{ /* normal colors */	964	{ /* normal colors */
788	PixColors[idx] = PixColors[minCOLOR + i];	965	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
789	SET_PIXCOLOR (idx);	966	SET_PIXCOLOR (idx);
790	goto Done;	967	goto done;
791	}	968	}
792	}	969	}
		970
793	if (!rXParseAllocColor (& xcol, color))	971	if (!rXParseAllocColor (&xcol, color))
794	return;	972	return;
		973
795	/* XStoreColor (display->display, XCMAP, XColor*); */	974	/* XStoreColor (display->display, display->cmap, XColor*); */
796		975
797	/*	976	/*
798	* FIXME: should free colors here, but no idea how to do it so instead,	977	* FIXME: should free colors here, but no idea how to do it so instead,
799	* so just keep gobbling up the colormap	978	* so just keep gobbling up the colormap
800	*/	979	*/
801	# if 0	980	# if 0
802	for (i = Color_Black; i <= Color_White; i++)	981	for (i = Color_Black; i <= Color_White; i++)
803	if (PixColors[idx] == PixColors[i])	982	if (pix_colors[idx] == pix_colors[i])
804	break;	983	break;
805	if (i > Color_White)	984	if (i > Color_White)
806	{	985	{
807	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */	986	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
808	XFreeColors (display->display, XCMAP, (PixColors + idx), 1,	987	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
809	DisplayPlanes (display->display, display->screen));	988	DisplayPlanes (display->display, display->screen));
810	}	989	}
811	# endif	990	# endif
812		991
813	PixColors[idx] = xcol;	992	pix_colors_focused[idx] = xcol;
814	SET_PIXCOLOR (idx);	993	SET_PIXCOLOR (idx);
815		994
816	/* XSetWindowAttributes attr; */	995	/* XSetWindowAttributes attr; */
817	/* Cursor cursor; */	996	/* Cursor cursor; */
818	Done:	997	done:
819	if (idx == Color_bg && ! (Options & Opt_transparent))
820	XSetWindowBackground (display->display, TermWin.vt,
821	PixColors[Color_bg]);
822		998
		999	#if OFF_FOCUS_FADING
		1000	if (rs[Rs_fade])
		1001	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
		1002	#endif
		1003
823	/* handle Color_BD, scrollbar background, etc. */	1004	/*TODO: handle Color_BD, scrollbar background, etc. */
824		1005
825	set_colorfgbg ();
826	recolour_cursor ();	1006	recolour_cursor ();
827	/* the only reasonable way to enforce a clean update */	1007	scr_recolour ();
828	scr_poweron ();
829	}	1008	}
830		1009
831	#else	1010	#else
832	# define set_window_color (idx,color) ((void)0)	1011	# define set_window_color (idx,color) ((void)0)
833	#endif /* XTERM_COLOR_CHANGE */	1012	#endif /* XTERM_COLOR_CHANGE */
834		1013
835	void	1014	void
836	rxvt_term::recolour_cursor ()	1015	rxvt_term::recolour_cursor ()
837	{	1016	{
838	#if TODO
839	rxvt_color xcol[2];	1017	XColor xcol[2];
840		1018
841	xcol[0] = PixColors[Color_pointer];	1019	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
842	xcol[1] = PixColors[Color_bg];	1020	? pix_colors_focused[Color_pointer_fg]
		1021	: pix_colors_focused[Color_fg];
		1022	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		1023	? pix_colors_focused[Color_pointer_bg]
		1024	: pix_colors_focused[Color_bg];
		1025
843	XQueryColors (display->display, XCMAP, xcol, 2);	1026	XQueryColors (display->display, display->cmap, xcol, 2);
844	XRecolorCursor (display->display, TermWin_cursor, & (xcol[0]), & (xcol[1]));	1027	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
845	#endif
846	}	1028	}
847		1029
848	/*----------------------------------------------------------------------*/	1030	/*----------------------------------------------------------------------*/
849	/*	1031	/*
850	* find if fg/bg matches any of the normal (low-intensity) colors	1032	* find if fg/bg matches any of the normal (low-intensity) colors
851	*/	1033	*/
852	void	1034	void
853	rxvt_term::set_colorfgbg ()	1035	rxvt_term::set_colorfgbg ()
854	{	1036	{
855	unsigned int i;	1037	unsigned int i;
856	const char *xpmb = "\0";	1038	const char *xpmb = "\0";
857	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];	1039	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
858		1040
859	env_colorfgbg =
860	(char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);	1041	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
861	STRCPY (fstr, "default");	1042	strcpy (fstr, "default");
862	STRCPY (bstr, "default");	1043	strcpy (bstr, "default");
863	for (i = Color_Black; i <= Color_White; i++)	1044	for (i = Color_Black; i <= Color_White; i++)
864	if (PixColors[Color_fg] == PixColors[i])	1045	if (pix_colors[Color_fg] == pix_colors[i])
865	{	1046	{
866	sprintf (fstr, "%d", (i - Color_Black));	1047	sprintf (fstr, "%d", (i - Color_Black));
867	break;	1048	break;
868	}	1049	}
		1050
869	for (i = Color_Black; i <= Color_White; i++)	1051	for (i = Color_Black; i <= Color_White; i++)
870	if (PixColors[Color_bg] == PixColors[i])	1052	if (pix_colors[Color_bg] == pix_colors[i])
871	{	1053	{
872	sprintf (bstr, "%d", (i - Color_Black));	1054	sprintf (bstr, "%d", (i - Color_Black));
873	#ifdef XPM_BACKGROUND	1055	#ifdef XPM_BACKGROUND
874	xpmb = "default;";	1056	xpmb = "default;";
875	#endif	1057	#endif
876	break;	1058	break;
877	}	1059	}
		1060
878	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1061	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
879	putenv (env_colorfgbg);
880
881	#ifndef NO_BRIGHTCOLOR
882	colorfgbg = DEFAULT_RSTYLE;
883	for (i = minCOLOR; i <= maxCOLOR; i++)
884	{
885	if (PixColors[Color_fg] == PixColors[i])
886	colorfgbg = SET_FGCOLOR (colorfgbg, i);
887	if (PixColors[Color_bg] == PixColors[i])
888	colorfgbg = SET_BGCOLOR (colorfgbg, i);
889	}
890	#endif
891	}	1062	}
892		1063
893	/*----------------------------------------------------------------------*/	1064	/*----------------------------------------------------------------------*/
894	/*
895	* Colour determination for low colour displays, routine from
896	* Hans de Goede <hans@highrise.nl>
897	*/
898		1065
899	int	1066	int
900	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	1067	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
901	{	1068	{
902	if (!screen_in_out->set (display, colour))	1069	if (!screen_in_out->set (display, colour))
903	{	1070	{
904	rxvt_print_error ("can't allocate colour: %s", colour);	1071	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
905	return false;	1072	return false;
906	}	1073	}
907		1074
908	return true;	1075	return true;
909	}	1076	}
910		1077
911	/* -------------------------------------------------------------------- *	1078	/* -------------------------------------------------------------------- *
912	* - WINDOW RESIZING - *	1079	* - WINDOW RESIZING - *
913	* -------------------------------------------------------------------- */	1080	* -------------------------------------------------------------------- */
914	void	1081	void
915	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	1082	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
916	{	1083	{
917	int fix_screen;	1084	int fix_screen;
918
919	#ifdef SMART_RESIZE
920	int old_width = szHint.width, old_height = szHint.height;	1085	int old_width = szHint.width, old_height = szHint.height;
921	#endif	1086	dDisp;
922		1087
923	window_calc (width, height);	1088	window_calc (newwidth, newheight);
924	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	1089	XSetWMNormalHints (disp, parent[0], &szHint);
		1090
925	if (!ignoreparent)	1091	if (!ignoreparent)
926	{	1092	{
927	#ifdef SMART_RESIZE	1093	#ifdef SMART_RESIZE
928	/*	1094	/*
929	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1095	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
932	int x, y, x1, y1;	1098	int x, y, x1, y1;
933	int dx, dy;	1099	int dx, dy;
934	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1100	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
935	Window unused_cr;	1101	Window unused_cr;
936		1102
937	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	1103	XTranslateCoordinates (disp, parent[0], display->root,
938	0, 0, &x, &y, &unused_cr);	1104	0, 0, &x, &y, &unused_cr);
939	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	1105	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
940	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1106	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
941	/*	1107	/*
942	* if display->root isn't the parent window, a WM will probably have offset	1108	* if display->root isn't the parent window, a WM will probably have offset
943	* our position for handles and decorations. Counter it	1109	* our position for handles and decorations. Counter it
944	*/	1110	*/
…		…
946	{	1112	{
947	x -= x1;	1113	x -= x1;
948	y -= y1;	1114	y -= y1;
949	}	1115	}
950		1116
951	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	1117	x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
952	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	1118	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
953	dx = old_width - szHint.width;	1119	dx = old_width - szHint.width;
954	dy = old_height - szHint.height;	1120	dy = old_height - szHint.height;
955		1121
956	/* Check position of the center of the window */	1122	/* Check position of the center of the window */
957	if (x < x1) /* left half */	1123	if (x < x1) /* left half */
…		…
961	if (y < y1) /* top half */	1127	if (y < y1) /* top half */
962	dy = 0;	1128	dy = 0;
963	else if (y == y1) /* exact center */	1129	else if (y == y1) /* exact center */
964	dy /= 2;	1130	dy /= 2;
965		1131
966	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	1132	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
967	szHint.width, szHint.height);	1133	szHint.width, szHint.height);
968	#else	1134	#else
969	XResizeWindow (display->display, TermWin.parent[0], szHint.width,	1135	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
970	szHint.height);
971	#endif	1136	#endif
972
973	}	1137	}
974		1138
975	fix_screen = (TermWin.ncol != prev_ncol	1139	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
976	|| TermWin.nrow != prev_nrow);
977		1140
978	if (fix_screen || width != old_width || height != old_height)	1141	if (fix_screen || newwidth != old_width || newheight != old_height)
979	{	1142	{
980	if (scrollbar_visible ())	1143	if (scrollBar.state)
981	{	1144	{
982	XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,	1145	XMoveResizeWindow (disp, scrollBar.win,
		1146	window_sb_x, 0,
983	0, scrollbar_TotalWidth (), szHint.height);	1147	scrollbar_TotalWidth (), szHint.height);
984	resize_scrollbar ();	1148	resize_scrollbar ();
985	}	1149	}
986		1150
987	if (menubar_visible ())	1151	XMoveResizeWindow (disp, vt,
988	XMoveResizeWindow (display->display, menuBar.win, window_vt_x,	1152	window_vt_x, window_vt_y,
989	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
990
991	XMoveResizeWindow (display->display, TermWin.vt, window_vt_x,
992	window_vt_y, TermWin_TotalWidth (),
993	TermWin_TotalHeight ());	1153	width, height);
994	#ifdef RXVT_GRAPHICS	1154
995	if (old_height)
996	Gr_Resize (old_width - szHint.base_width,
997	old_height - szHint.base_height);
998	#endif
999	scr_clear ();	1155	scr_clear ();
1000	#ifdef XPM_BACKGROUND	1156	#ifdef XPM_BACKGROUND
1001	resize_pixmap ();	1157	resize_pixmap ();
1002	#endif	1158	#endif
1003
1004	}	1159	}
1005		1160
1006	if (fix_screen || old_height == 0)	1161	if (fix_screen || old_height == 0)
1007	{	1162	{
1008	int curr_screen = -1;	1163	int curr_screen = -1;
1009	int old_ncol = prev_ncol;	1164	int old_ncol = prev_ncol;
1010		1165
1011	/* scr_reset only works on the primary screen */	1166	/* scr_reset only works on the primary screen */
1012	if (old_height) /* this is not the first time through */	1167	if (old_height) /* this is not the first time through */
1013	{	1168	{
1014	unsigned int ncol = TermWin.ncol;	1169	unsigned int ocol = ncol;
1015	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this	1170	ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1016	curr_screen = scr_change_screen (PRIMARY);	1171	curr_screen = scr_change_screen (PRIMARY);
1017	TermWin.ncol = ncol;	1172	ncol = ocol;
1018	}	1173	}
1019		1174
1020	scr_reset ();	1175	scr_reset ();
1021		1176
1022	if (curr_screen >= 0) /* this is not the first time through */	1177	if (curr_screen >= 0) /* this is not the first time through */
1023	{	1178	{
1024	scr_change_screen (curr_screen);	1179	scr_change_screen (curr_screen);
1025	selection_check (old_ncol != TermWin.ncol ? 4 : 0);	1180	selection_check (old_ncol != ncol ? 4 : 0);
1026	}	1181	}
1027	}	1182	}
1028		1183
1029	old_width = szHint.width;	1184	old_width = szHint.width;
1030	old_height = szHint.height;	1185	old_height = szHint.height;
		1186
		1187	#ifdef XPM_BACKGROUND
		1188	if (pixmap)
		1189	scr_touch (false);
		1190	#endif
1031		1191
1032	#ifdef USE_XIM	1192	#ifdef USE_XIM
1033	IMSetStatusPosition ();	1193	IMSetStatusPosition ();
1034	#endif	1194	#endif
1035	}	1195	}
…		…
1037	/*	1197	/*
1038	* Set the width/height of the vt window in characters. Units are pixels.	1198	* Set the width/height of the vt window in characters. Units are pixels.
1039	* good for toggling 80/132 columns	1199	* good for toggling 80/132 columns
1040	*/	1200	*/
1041	void	1201	void
1042	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1202	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1043	{	1203	{
1044	XWindowAttributes wattr;	1204	XWindowAttributes wattr;
1045		1205
1046	if (width == 0 || height == 0)	1206	if (newwidth == 0 || newheight == 0)
1047	{	1207	{
1048	XGetWindowAttributes (display->display, display->root, &wattr);	1208	XGetWindowAttributes (display->display, display->root, &wattr);
		1209
1049	if (width == 0)	1210	if (newwidth == 0)
1050	width = wattr.width - szHint.base_width;	1211	newwidth = wattr.width - szHint.base_width;
1051	if (height == 0)	1212	if (newheight == 0)
1052	height = wattr.height - szHint.base_height;	1213	newheight = wattr.height - szHint.base_height;
1053	}
1054	if (width != TermWin.width || height != TermWin.height)
1055	{	1214	}
		1215
		1216	if (newwidth != width || newheight != height)
		1217	{
1056	width += szHint.base_width;	1218	newwidth += szHint.base_width;
1057	height += szHint.base_height;	1219	newheight += szHint.base_height;
1058	resize_all_windows (width, height, 0);	1220	resize_all_windows (newwidth, newheight, 0);
1059	}	1221	}
1060	}	1222	}
1061		1223
1062	/* -------------------------------------------------------------------- *	1224	/* -------------------------------------------------------------------- *
1063	* - X INPUT METHOD ROUTINES - *	1225	* - X INPUT METHOD ROUTINES - *
1064	* -------------------------------------------------------------------- */	1226	* -------------------------------------------------------------------- */
1065	#ifdef USE_XIM	1227	#ifdef USE_XIM
1066		1228
1067	void	1229	void
		1230	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
		1231	{
		1232	fg = pix_colors[Color_fg];
		1233	bg = pix_colors[Color_bg];
		1234	}
		1235
		1236	void
1068	rxvt_term::im_set_size (XRectangle *size)	1237	rxvt_term::im_set_size (XRectangle &size)
1069	{	1238	{
1070	size->x = TermWin.int_bwidth;	1239	// the int_bwidth terms make no sense to me
1071	size->y = TermWin.int_bwidth;	1240	size.x = int_bwidth;
1072	size->width = Width2Pixel (TermWin.ncol);	1241	size.y = int_bwidth;
1073	size->height = Height2Pixel (TermWin.nrow);	1242	size.width = Width2Pixel (ncol) + int_bwidth;
		1243	size.height = Height2Pixel (nrow) + int_bwidth;
1074	}	1244	}
1075		1245
1076	void	1246	void
1077	rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)	1247	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1248	XRectangle &status_rect,
		1249	const XRectangle &needed_rect)
1078	{	1250	{
1079	*fg = PixColors[Color_fg];	1251	preedit_rect.x = needed_rect.width;
1080	*bg = PixColors[Color_bg];	1252	preedit_rect.y = 0;
		1253	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1254	preedit_rect.height = fheight;
		1255
		1256	status_rect.x = 0;
		1257	status_rect.y = 0;
		1258	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1259	status_rect.height = fheight;
1081	}	1260	}
1082		1261
1083	/* Checking whether input method is running. */	1262	/* Checking whether input method is running. */
1084	bool	1263	bool
1085	rxvt_term::IMisRunning ()	1264	rxvt_term::IMisRunning ()
1086	{	1265	{
1087	char *p;	1266	char *p;
1088	Atom atom;	1267	Atom atom;
1089	Window win;	1268	Window win;
1090	char server[IMBUFSIZ];	1269	char server[IMBUFSIZ];
1091		1270
1092	/* get current locale modifier */	1271	/* get current locale modifier */
1093	if ((p = XSetLocaleModifiers (NULL)) != NULL)	1272	if ((p = XSetLocaleModifiers (NULL)) != NULL)
1094	{	1273	{
1095	STRCPY (server, "@server=");	1274	strcpy (server, "@server=");
1096	STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1275	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1276
1097	if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */	1277	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1098	*p = '\0';	1278	*p = '\0';
1099		1279
1100	atom = XInternAtom (display->display, server, False);	1280	atom = XInternAtom (display->display, server, False);
1101	win = XGetSelectionOwner (display->display, atom);	1281	win = XGetSelectionOwner (display->display, atom);
		1282
1102	if (win != None)	1283	if (win != None)
1103	return True;	1284	return True;
1104	}	1285	}
		1286
1105	return False;	1287	return False;
1106	}	1288	}
1107		1289
1108	void	1290	void
1109	rxvt_term::IMSendSpot ()	1291	rxvt_term::IMSendSpot ()
1110	{	1292	{
1111	XPoint spot;	1293	XPoint nspot;
1112	XVaNestedList preedit_attr;	1294	XVaNestedList preedit_attr;
1113		1295
1114	if (Input_Context == NULL	1296	if (!Input_Context
		1297	|| !focus
1115	|| !TermWin.focus || ! (input_style & XIMPreeditPosition)	1298	|| !(input_style & XIMPreeditPosition))
1116	|| ! (event_type == KeyPress
1117	|| event_type == Expose
1118	|| event_type == NoExpose
1119	|| event_type == SelectionNotify
1120	|| event_type == ButtonRelease || event_type == FocusIn)
1121	|| !IMisRunning ())
1122	return;	1299	return;
1123		1300
1124	im_set_position (&spot);	1301	im_set_position (nspot);
		1302
		1303	if (nspot.x == spot.x && nspot.y == spot.y)
		1304	return;
		1305
		1306	spot = nspot;
1125		1307
1126	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);	1308	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1127	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1309	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1128	XFree (preedit_attr);	1310	XFree (preedit_attr);
1129	}	1311	}
1130		1312
1131	void	1313	void
1132	rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,
1133	XRectangle * needed_rect)
1134	{
1135	int mbh, vtx = 0;
1136
1137	if (scrollbar_visible () && ! (Options & Opt_scrollBar_right))
1138	vtx = scrollbar_TotalWidth ();
1139
1140	mbh = menubar_visible () ? menuBar_TotalHeight () : 0;
1141	mbh -= TermWin.lineSpace;
1142
1143	preedit_rect->x = needed_rect->width + vtx;
1144	preedit_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1145
1146	preedit_rect->width = Width2Pixel (TermWin.ncol + 1) - needed_rect->width + vtx;
1147	preedit_rect->height = Height2Pixel (1);
1148
1149	status_rect->x = vtx;
1150	status_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1151
1152	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel (TermWin.ncol + 1);
1153	status_rect->height = Height2Pixel (1);
1154	}
1155
1156	void
1157	rxvt_term::im_destroy ()	1314	rxvt_term::im_destroy ()
1158	{	1315	{
1159	if (Input_Context)
1160	{
1161	XDestroyIC (Input_Context);
1162	Input_Context = NULL;
1163	}
1164
1165	if (input_method)	1316	if (input_method)
1166	{	1317	{
		1318	if (Input_Context && input_method->xim)
		1319	XDestroyIC (Input_Context);
		1320
1167	display->put_xim (input_method);	1321	display->put_xim (input_method);
1168	input_method = 0;	1322	input_method = 0;
1169	}	1323	}
		1324
		1325	Input_Context = 0;
1170	}	1326	}
1171		1327
1172	/*	1328	/*
1173	* Try to open a XIM with the current modifiers, then see if we can	1329	* Try to open a XIM with the current modifiers, then see if we can
1174	* open a suitable preedit type	1330	* open a suitable preedit type
1175	*/	1331	*/
1176	bool	1332	bool
1177	rxvt_term::IM_get_IC (const char *modifiers)	1333	rxvt_term::IM_get_IC (const char *modifiers)
1178	{	1334	{
1179	int i, j, found;	1335	int i, j, found;
1180	XIM xim;	1336	XIM xim;
1181	XPoint spot;	1337	XPoint spot;
1182	XRectangle rect, status_rect, needed_rect;	1338	XRectangle rect, status_rect, needed_rect;
1183	unsigned long fg, bg;	1339	unsigned long fg, bg;
1184	const char *p;	1340	const char *p;
1185	char **s;	1341	char **s;
1186	XIMStyles *xim_styles;	1342	XIMStyles *xim_styles;
1187	XVaNestedList preedit_attr, status_attr;	1343
		1344	set_environ (envv);
1188		1345
1189	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))	1346	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1190	return false;	1347	return false;
1191		1348
1192	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));	1349	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1193	input_method = display->get_xim (locale, modifiers);	1350	input_method = display->get_xim (locale, modifiers);
1194	if (input_method == NULL)	1351	if (input_method == NULL)
1195	return false;	1352	return false;
1196		1353
1197	xim = input_method->xim;	1354	xim = input_method->xim;
		1355	spot.x = spot.y = -1;
1198		1356
1199	xim_styles = NULL;	1357	xim_styles = NULL;
1200	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1358	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1201	|| !xim_styles || !xim_styles->count_styles)	1359	|| !xim_styles || !xim_styles->count_styles)
1202	{	1360	{
1203	display->put_xim (input_method);	1361	im_destroy ();
1204	return false;	1362	return false;
1205	}	1363	}
1206		1364
1207	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";	1365	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1366
		1367	for (int pi = 0; pi < 2; pi++)
		1368	{
		1369	p = pet[pi];
		1370
		1371	if (!p)
		1372	continue;
		1373
1208	s = rxvt_splitcommastring (p);	1374	s = rxvt_splitcommastring (p);
		1375
1209	for (i = found = 0; !found && s[i]; i++)	1376	for (i = found = 0; !found && s[i]; i++)
1210	{	1377	{
1211	if (!STRCMP (s[i], "OverTheSpot"))	1378	if (!strcmp (s[i], "OverTheSpot"))
1212	input_style = (XIMPreeditPosition | XIMStatusNothing);	1379	input_style = (XIMPreeditPosition | XIMStatusNothing);
1213	else if (!STRCMP (s[i], "OffTheSpot"))	1380	else if (!strcmp (s[i], "OffTheSpot"))
1214	input_style = (XIMPreeditArea | XIMStatusArea);	1381	input_style = (XIMPreeditArea | XIMStatusArea);
1215	else if (!STRCMP (s[i], "Root"))	1382	else if (!strcmp (s[i], "Root"))
1216	input_style = (XIMPreeditNothing | XIMStatusNothing);	1383	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1384	else if (!strcmp (s[i], "None"))
		1385	input_style = (XIMPreeditNone | XIMStatusNone);
1217		1386
1218	for (j = 0; j < xim_styles->count_styles; j++)	1387	for (j = 0; j < xim_styles->count_styles; j++)
1219	if (input_style == xim_styles->supported_styles[j])	1388	if (input_style == xim_styles->supported_styles[j])
1220	{	1389	{
		1390	rxvt_freecommastring (s);
		1391
1221	found = 1;	1392	found = 1;
1222	break;	1393	goto foundpet;
		1394	}
		1395
1223	}	1396	}
1224	}
1225		1397
1226	for (i = 0; s[i]; i++)	1398	rxvt_freecommastring (s);
1227	free (s[i]);	1399	}
1228		1400
1229	free (s);	1401	foundpet:
		1402
1230	XFree (xim_styles);	1403	XFree (xim_styles);
1231		1404
1232	if (!found)	1405	if (!found)
1233	{	1406	{
1234	display->put_xim (input_method);	1407	im_destroy ();
1235	return false;	1408	return false;
1236	}	1409	}
1237		1410
1238	preedit_attr = status_attr = NULL;	1411	XFontSet fs = 0;
		1412	XVaNestedList preedit_attr = 0, status_attr = 0;
		1413
		1414	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1415	{
		1416	// fake us a font-set, please
		1417	char **missing_charset_list;
		1418	int missing_charset_count;
		1419	char *def_string;
		1420	char pat[512];
		1421
		1422	sprintf (pat,
		1423	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1424	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1425	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1426	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1427	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1428	"*",
		1429	fheight,
		1430	fheight + 1, fheight - 1,
		1431	fheight - 2, fheight + 2);
		1432
		1433	fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1434	&missing_charset_list, &missing_charset_count, &def_string);
		1435
		1436	if (missing_charset_list)
		1437	XFreeStringList (missing_charset_list);
		1438
		1439	if (!fs)
		1440	{
		1441	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1442	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1443	}
		1444	}
1239		1445
1240	if (input_style & XIMPreeditPosition)	1446	if (input_style & XIMPreeditPosition)
1241	{	1447	{
1242	im_set_size (&rect);	1448	im_set_size (rect);
1243	im_set_position (&spot);	1449	im_set_position (spot);
1244	im_set_color (&fg, &bg);	1450	im_set_color (fg, bg);
1245		1451
1246	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1452	preedit_attr = XVaCreateNestedList (0,
		1453	XNForeground, fg,
		1454	XNBackground, bg,
		1455	XNArea, &rect,
1247	XNSpotLocation, &spot,	1456	XNSpotLocation, &spot,
1248	XNForeground, fg, XNBackground, bg,
1249	//XNFontSet, TermWin.fontset,	1457	XNFontSet, fs,
1250	NULL);	1458	NULL);
1251	}	1459	}
1252	else if (input_style & XIMPreeditArea)	1460	else if (input_style & XIMPreeditArea)
1253	{	1461	{
1254	im_set_color (&fg, &bg);	1462	im_set_color (fg, bg);
1255		1463
1256	/*	1464	/*
1257	* The necessary width of preedit area is unknown	1465	* The necessary width of preedit area is unknown
1258	* until create input context.	1466	* until create input context.
1259	*/	1467	*/
1260	needed_rect.width = 0;	1468	needed_rect.width = 0;
1261
1262	im_set_preedit_area (&rect, &status_rect, &needed_rect);	1469	im_set_preedit_area (rect, status_rect, needed_rect);
1263		1470
1264	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1471	preedit_attr = XVaCreateNestedList (0,
		1472	XNForeground, fg,
1265	XNForeground, fg, XNBackground, bg,	1473	XNBackground, bg,
		1474	XNArea, &rect,
		1475	XNFontSet, fs,
		1476	NULL);
		1477	status_attr = XVaCreateNestedList (0,
		1478	XNForeground, fg,
		1479	XNBackground, bg,
		1480	XNArea, &status_rect,
1266	//XNFontSet, TermWin.fontset,	1481	XNFontSet, fs,
1267	NULL);	1482	NULL);
1268	status_attr = XVaCreateNestedList (0, XNArea, &status_rect,
1269	XNForeground, fg, XNBackground, bg,
1270	//XNFontSet, TermWin.fontset,
1271	NULL);
1272	}	1483	}
1273		1484
1274	Input_Context = XCreateIC (xim, XNInputStyle, input_style,	1485	Input_Context = XCreateIC (xim,
		1486	XNInputStyle, input_style,
1275	XNClientWindow, TermWin.parent[0],	1487	XNClientWindow, vt,
1276	XNFocusWindow, TermWin.parent[0],	1488	XNFocusWindow, parent[0],
1277	preedit_attr ? XNPreeditAttributes : NULL,	1489	preedit_attr ? XNPreeditAttributes : NULL,
1278	preedit_attr,	1490	preedit_attr,
1279	status_attr ? XNStatusAttributes : NULL,	1491	status_attr ? XNStatusAttributes : NULL,
1280	status_attr, NULL);	1492	status_attr, NULL);
		1493
1281	if (preedit_attr) XFree (preedit_attr);	1494	if (preedit_attr) XFree (preedit_attr);
1282	if (status_attr) XFree (status_attr);	1495	if (status_attr) XFree (status_attr);
		1496	if (fs) XFreeFontSet (display->display, fs);
1283		1497
1284	if (Input_Context == NULL)	1498	if (Input_Context == NULL)
1285	{	1499	{
1286	rxvt_print_error ("failed to create input context");	1500	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1287	display->put_xim (input_method);	1501	im_destroy ();
1288	return false;	1502	return false;
1289	}	1503	}
1290		1504
1291	if (input_style & XIMPreeditArea)	1505	if (input_style & XIMPreeditArea)
1292	IMSetStatusPosition ();	1506	IMSetStatusPosition ();
…		…
1296	}	1510	}
1297		1511
1298	void	1512	void
1299	rxvt_term::im_cb ()	1513	rxvt_term::im_cb ()
1300	{	1514	{
1301	int i, found, had_im;	1515	int i;
1302	const char *p;	1516	const char *p;
1303	char **s;	1517	char **s;
1304	char buf[IMBUFSIZ];	1518	char buf[IMBUFSIZ];
1305		1519
		1520	make_current ();
		1521
1306	im_destroy ();	1522	im_destroy ();
1307		1523
1308	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));	1524	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1309	if (Input_Context)	1525	if (Input_Context)
1310	return;	1526	return;
1311		1527
1312	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1528	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1313	if (rs[Rs_imLocale])	1529	if (rs[Rs_imLocale])
1314	setlocale (LC_CTYPE, rs[Rs_imLocale]);	1530	SET_LOCALE (rs[Rs_imLocale]);
1315	#endif	1531	#endif
1316		1532
1317	p = rs[Rs_inputMethod];	1533	p = rs[Rs_inputMethod];
1318	if (p && *p)	1534	if (p && *p)
1319	{	1535	{
1320	bool found = false;	1536	bool found = false;
1321		1537
1322	s = rxvt_splitcommastring (p);	1538	s = rxvt_splitcommastring (p);
		1539
1323	for (i = 0; s[i]; i++)	1540	for (i = 0; s[i]; i++)
1324	{	1541	{
1325	if (*s[i])	1542	if (*s[i])
1326	{	1543	{
1327	STRCPY (buf, "@im=");	1544	strcpy (buf, "@im=");
1328	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1545	strncat (buf, s[i], IMBUFSIZ - 5);
1329	if (IM_get_IC (buf))	1546	if (IM_get_IC (buf))
1330	{	1547	{
1331	found = true;	1548	found = true;
1332	break;	1549	break;
1333	}	1550	}
1334	}	1551	}
1335	}	1552	}
1336	for (i = 0; s[i]; i++)	1553
1337	free (s[i]);	1554	rxvt_freecommastring (s);
1338	free (s);
1339		1555
1340	if (found)	1556	if (found)
1341	goto done;	1557	goto done;
1342	}	1558	}
1343		1559
…		…
1350	goto done;	1566	goto done;
1351		1567
1352	done:	1568	done:
1353	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1569	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1354	if (rs[Rs_imLocale])	1570	if (rs[Rs_imLocale])
1355	setlocale (LC_CTYPE, locale);	1571	SET_LOCALE (locale);
1356	#endif	1572	#endif
1357	}	1573	}
1358		1574
1359	void	1575	void
1360	rxvt_term::IMSetStatusPosition ()	1576	rxvt_term::IMSetStatusPosition ()
1361	{	1577	{
1362	XRectangle preedit_rect, status_rect, *needed_rect;	1578	XRectangle preedit_rect, status_rect, *needed_rect;
1363	XVaNestedList preedit_attr, status_attr;	1579	XVaNestedList preedit_attr, status_attr;
1364		1580
1365	if (Input_Context == NULL	1581	if (!Input_Context
		1582	|| !focus
1366	|| !TermWin.focus || ! (input_style & XIMPreeditArea)	1583	|| !(input_style & XIMPreeditArea)
1367	|| !IMisRunning ())	1584	|| !IMisRunning ())
1368	return;	1585	return;
1369		1586
1370	/* Getting the necessary width of preedit area */	1587	/* Getting the necessary width of preedit area */
1371	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);	1588	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1372	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);	1589	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1373	XFree (status_attr);	1590	XFree (status_attr);
1374		1591
1375	im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);	1592	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1593	XFree (needed_rect);
1376		1594
1377	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);	1595	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1378	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);	1596	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1379		1597
1380	XSetICValues (Input_Context,	1598	XSetICValues (Input_Context,
1381	XNPreeditAttributes, preedit_attr,	1599	XNPreeditAttributes, preedit_attr,
1382	XNStatusAttributes, status_attr, NULL);	1600	XNStatusAttributes, status_attr, NULL);
1383		1601
1384	XFree (preedit_attr);	1602	XFree (preedit_attr);
1385	XFree (status_attr);	1603	XFree (status_attr);
1386	}	1604	}
1387	#endif /* USE_XIM */	1605	#endif /* USE_XIM */

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