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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.33 by pcg, Fri Feb 13 13:28:17 2004 UTC vs.
Revision 1.320 by sf-exg, Sat Jan 30 20:43:56 2010 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*----------------------------------------------------------------------*
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) 2003-2008 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>
37
38	#ifdef TTY_GID_SUPPORT
39	# include <grp.h>
40	#endif
41
42	#ifdef HAVE_TERMIOS_H
43	# include <termios.h>
44	#endif
45
46	#include <cstring>	41	#include <cstring>
47		42
		43	#include <termios.h>
		44
		45	#ifdef HAVE_XSETLOCALE
		46	# define X_LOCALE
		47	# include <X11/Xlocale.h>
		48	#else
		49	# ifdef HAVE_SETLOCALE
		50	# include <clocale>
		51	# endif
		52	#endif
		53
		54	vector<rxvt_term *> rxvt_term::termlist;
		55
		56	// used to tell global functions which terminal instance is "active"
		57	rxvt_t rxvt_current_term;
		58
48	static char curlocale[128];	59	static char curlocale[128], savelocale[128];
49		60
50	void	61	bool
51	rxvt_set_locale (const char *locale)	62	rxvt_set_locale (const char *locale) NOTHROW
52	{	63	{
53	if (locale && STRNCMP (locale, curlocale, 128))	64	int size = strlen (locale) + 1;
54	{	65
55	STRNCPY (curlocale, locale, 128);	66	if (size > sizeof (curlocale))
		67	rxvt_fatal ("locale string too long, aborting.\n");
		68
		69	if (!locale || !memcmp (locale, curlocale, size))
		70	return false;
		71
		72	memcpy (curlocale, locale, size);
56	setlocale (LC_CTYPE, curlocale);	73	setlocale (LC_CTYPE, curlocale);
57	}	74	return true;
58	}	75	}
59		76
60	void *	77	void
61	rxvt_term::operator new (size_t s)	78	rxvt_push_locale (const char *locale) NOTHROW
62	{	79	{
63	void *p = malloc (s);	80	strcpy (savelocale, curlocale);
		81	rxvt_set_locale (locale);
		82	}
64		83
65	MEMSET (p, 0, s);	84	void
		85	rxvt_pop_locale () NOTHROW
		86	{
		87	rxvt_set_locale (savelocale);
		88	}
		89
		90	#if ENABLE_COMBINING
		91	class rxvt_composite_vec rxvt_composite;
		92
		93	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		94	{
		95	compose_char *cc;
		96
		97	// break compose chains, as stupid readline really likes to duplicate
		98	// composing characters for some reason near the end of a line.
		99	cc = (*this)[c1];
		100	while (cc)
		101	{
		102	if (cc->c2 == c2) return c1;
		103	cc = (*this)[cc->c1];
		104	}
		105
		106	// check to see wether this combination already exists otherwise
		107	for (cc = v.end (); cc-- > v.begin (); )
		108	{
		109	if (cc->c1 == c1 && cc->c2 == c2)
		110	return COMPOSE_LO + (cc - v.begin ());
		111	}
		112
		113	// allocate a new combination
		114	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		115	{
		116	static int seen;
		117
		118	if (!seen++)
		119	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		120
		121	return REPLACEMENT_CHAR;
		122	}
		123
		124	v.push_back (compose_char (c1, c2));
		125
		126	return v.size () - 1 + COMPOSE_LO;
		127	}
		128
		129	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		130	{
		131	compose_char *cc = (*this)[c];
		132
		133	if (!cc)
		134	{
		135	if (r) *r = c;
		136	return 1;
		137	}
		138
		139	int len = expand (cc->c1, r);
		140
		141	if (r) r += len;
		142
		143	if (cc->c2 != NOCHAR)
		144	{
		145	len++;
		146	if (r) *r++ = cc->c2;
		147	}
		148
66	return p;	149	return len;
67	}
68		150
69	void
70	rxvt_term::operator delete (void *p, size_t s)
71	{
72	free (p);
73	}	151	}
		152	#endif
74		153
75	rxvt_term::rxvt_term ()	154	rxvt_term::rxvt_term ()
76	:	155	{
77	rootwin_ev (this, &rxvt_term::rootwin_cb),	156	#if HAVE_BG_PIXMAP
78	termwin_ev (this, &rxvt_term::x_cb),	157	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
79	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	158	#endif
86	#ifdef CURSOR_BLINK	159	#ifdef CURSOR_BLINK
87	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),	160	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
88	#endif	161	#endif
89	#ifdef TEXT_BLINK	162	#ifdef TEXT_BLINK
90	text_blink_ev (this, &rxvt_term::text_blink_cb),	163	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		164	#endif
		165	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		166	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		167	#endif
		168	#ifdef SELECTION_SCROLLING
		169	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		170	#endif
		171	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		172	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		173	#endif
		174	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		175	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		176	#endif
		177	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		178	#ifdef USE_XIM
		179	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
91	#endif	180	#endif
92	#ifdef POINTER_BLANK	181	#ifdef POINTER_BLANK
93	pointer_ev (this, &rxvt_term::pointer_cb),	182	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
94	#endif	183	#endif
95	check_ev (this, &rxvt_term::check_cb),	184	#ifndef NO_BELL
96	destroy_ev (this, &rxvt_term::destroy_cb),	185	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
97	pty_ev (this, &rxvt_term::pty_cb),	186	#endif
98	incr_ev (this, &rxvt_term::incr_cb),	187	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
		188	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
		189	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
		190	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
		191	incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
		192	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		193	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		194
		195	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		196
		197	termlist.push_back (this);
		198
		199	#ifdef KEYSYM_RESOURCE
		200	keyboard = new keyboard_manager;
		201	#endif
		202	}
		203
		204	// clean up the most important stuff, do *not* call x or free mem etc.
		205	// for use before an emergency exit
		206	void
		207	rxvt_term::emergency_cleanup ()
		208	{
		209	if (cmd_pid)
		210	kill (-cmd_pid, SIGHUP);
		211
		212	pty_ev.stop ();
		213	delete pty; pty = 0;
		214	}
		215
		216	rxvt_term::~rxvt_term ()
		217	{
		218	termlist.erase (find (termlist.begin (), termlist.end(), this));
		219
		220	emergency_cleanup ();
		221
		222	#if ENABLE_STYLES
		223	for (int i = RS_styleCount; --i; )
		224	if (fontset[i] != fontset[0])
		225	delete fontset[i];
		226	#endif
		227	delete fontset[0];
		228
		229	#ifdef HAVE_BG_PIXMAP
		230	bgPixmap.destroy ();
		231	#endif
		232	#ifdef HAVE_AFTERIMAGE
		233	if (asv)
		234	destroy_asvisual (asv, 0);
		235	if (asimman)
		236	destroy_image_manager (asimman, 0);
		237	#endif
		238
		239	if (display)
		240	{
		241	selection_clear ();
		242	selection_clear (true);
		243
99	#ifdef USE_XIM	244	#ifdef USE_XIM
100	im_ev (this, &rxvt_term::im_cb)	245	im_destroy ();
101	#endif	246	#endif
102	{	247	scrollBar.destroy ();
103	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	248	if (gc) XFreeGC (dpy, gc);
104	}
105		249
106	rxvt_term::~rxvt_term ()	250	delete drawable;
107	{	251	// destroy all windows
108	if (cmd_fd >= 0)	252	if (parent[0])
109	close (cmd_fd);	253	XDestroyWindow (dpy, parent[0]);
		254
		255	for (int i = 0; i < TOTAL_COLORS; i++)
		256	if (ISSET_PIXCOLOR (i))
		257	{
		258	pix_colors_focused [i].free (this);
		259	#if OFF_FOCUS_FADING
		260	pix_colors_unfocused [i].free (this);
		261	#endif
		262	}
		263
		264	clear ();
		265
		266	display->flush (); /* ideally .put should do this */
		267	displays.put (display);
		268	}
110		269
111	scr_release ();	270	scr_release ();
112		271
113	free (env_windowid);	272	/* clear all resources */
		273	for (int i = 0; i < allocated.size (); i++)
		274	free (allocated [i]);
		275
		276	free (selection.text);
		277	free (selection.clip_text);
		278	// TODO: manage env vars in child only(!)
114	free (env_display);	279	free (env_display);
115	free (env_term);	280	free (env_term);
116	free (env_colorfgbg);
117	free (locale);	281	free (locale);
118	free (codeset);	282	free (v_buffer);
119		283	free (incr_buf);
120	#ifndef NO_SETOWNER_TTYDEV
121	privileged_ttydev (RESTORE);
122	#endif
123	#ifdef UTMP_SUPPORT
124	privileged_utmp (RESTORE);
125	#endif
126
127	// TODO: free pixcolours, colours should become part of rxvt_display
128
129	delete PixColors;
130	delete TermWin.fontset;
131
132	displays.put (display);
133		284
134	delete envv;	285	delete envv;
135	delete argv;	286	delete argv;
		287
		288	#ifdef KEYSYM_RESOURCE
		289	delete keyboard;
		290	#endif
		291	#ifndef NO_RESOURCES
		292	XrmDestroyDatabase (option_db);
		293	#endif
		294	}
		295
		296	// child has exited, usually destroys
		297	void
		298	rxvt_term::child_cb (ev::child &w, int status)
		299	{
		300	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		301
		302	cmd_pid = 0;
		303
		304	if (!option (Opt_hold))
		305	destroy ();
136	}	306	}
137		307
138	void	308	void
139	rxvt_term::destroy ()	309	rxvt_term::destroy ()
140	{	310	{
		311	if (destroy_ev.is_active ())
		312	return;
		313
		314	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		315
		316	#if ENABLE_OVERLAY
		317	scr_overlay_off ();
		318	#endif
		319
141	if (display)	320	if (display)
142	{	321	{
143	if (TermWin.parent[0])	322	#if USE_XIM
144	XDestroyWindow (display->display, TermWin.parent[0]);	323	im_ev.stop (display);
145		324	#endif
		325	scrollbar_ev.stop (display);
		326	#if ENABLE_TRANSPARENCY || ENABLE_PERL
146	rootwin_ev.stop (display);	327	rootwin_ev.stop (display);
		328	#endif
		329	incr_ev.stop ();
147	termwin_ev.stop (display);	330	termwin_ev.stop (display);
148	vt_ev.stop (display);	331	vt_ev.stop (display);
149
150	#ifdef USE_XIM
151	im_destroy ();
152	im_ev.stop (display);
153	#endif
154	#ifdef HAVE_SCROLLBARS
155	scrollbar_ev.stop (display);
156	#endif
157	#ifdef MENUBAR
158	menubar_ev.stop (display);
159	#endif
160	}	332	}
161		333
162	check_ev.stop ();	334	flush_ev.stop ();
163	pty_ev.stop ();	335	pty_ev.stop ();
164	#ifdef CURSOR_BLINK	336	#ifdef CURSOR_BLINK
165	cursor_blink_ev.stop ();	337	cursor_blink_ev.stop ();
166	#endif	338	#endif
167	#ifdef TEXT_BLINK	339	#ifdef TEXT_BLINK
168	text_blink_ev.stop ();	340	text_blink_ev.stop ();
169	#endif	341	#endif
		342	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		343	cont_scroll_ev.stop ();
		344	#endif
		345	#ifdef SELECTION_SCROLLING
		346	sel_scroll_ev.stop ();
		347	#endif
170	#ifdef POINTER_BLANK	348	#ifdef POINTER_BLANK
171	pointer_ev.stop ();	349	pointer_ev.stop ();
172	#endif	350	#endif
173		351
174	destroy_ev.start (0);	352	destroy_ev.start ();
175	}	353	}
176		354
177	void	355	void
178	rxvt_term::destroy_cb (time_watcher &w)	356	rxvt_term::destroy_cb (ev::idle &w, int revents)
179	{	357	{
180	SET_R (this);	358	make_current ();
181		359
182	delete this;	360	delete this;
183	}
184
185	/*----------------------------------------------------------------------*/
186	/* rxvt_init () */
187	/* LIBPROTO */
188	rxvt_t
189	rxvt_init (int argc, const char *const *argv)
190	{
191	SET_R (new rxvt_term);
192
193	if (!GET_R->init_vars () || !GET_R->init (argc, argv))
194	{
195	delete GET_R;
196	SET_R (0);
197	}
198
199	return GET_R;
200	}
201
202	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
203
204	void
205	rxvt_init_signals ()
206	{
207	/* install exit handler for cleanup */
208	#if 0
209	#ifdef HAVE_ATEXIT
210	atexit (rxvt_clean_exit);
211	#else
212	#endif
213	#endif
214
215	struct sigaction sa;
216
217	sigfillset (&sa.sa_mask);
218	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
219	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
220	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
221	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
222	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
223	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
224	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
225
226	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
227	/* signal (SIGURG, SIG_DFL); */
228
229	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
230	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
231	}
232
233	bool
234	rxvt_term::init (int argc, const char *const *argv)
235	{
236	/*
237	* Save and then give up any super-user privileges
238	* If we need privileges in any area then we must specifically request it.
239	* We should only need to be root in these cases:
240	* 1. write utmp entries on some systems
241	* 2. chown tty on some systems
242	*/
243	privileges (SAVE);
244	privileges (IGNORE);
245
246	init_secondary ();
247
248	const char **cmd_argv = init_resources (argc, argv);
249
250	set_locale ("");
251
252	#if (MENUBAR_MAX)
253	menubar_read (rs[Rs_menu]);
254	#endif
255	#ifdef HAVE_SCROLLBARS
256	if (Options & Opt_scrollBar)
257	scrollBar.setIdle (); /* set existence for size calculations */
258	#endif
259
260	create_windows (argc, argv);
261
262	init_xlocale ();
263
264	scr_reset (); /* initialize screen */
265	#ifdef RXVT_GRAPHICS
266	Gr_reset (); /* reset graphics */
267	#endif
268
269	#if 0
270	#ifdef DEBUG_X
271	XSynchronize (display->display, True);
272	#endif
273	#endif
274
275	#ifdef HAVE_SCROLLBARS
276	if (Options & Opt_scrollBar)
277	resize_scrollbar (); /* create and map scrollbar */
278	#endif
279	#if (MENUBAR_MAX)
280	if (menubar_visible (r))
281	XMapWindow (display->display, menuBar.win);
282	#endif
283	#ifdef TRANSPARENT
284	if (Options & Opt_transparent)
285	{
286	XSelectInput (display->display, display->root, PropertyChangeMask);
287	check_our_parents ();
288	}
289	#endif
290
291	rootwin_ev.start (display, display->root);
292
293	XMapWindow (display->display, TermWin.vt);
294	XMapWindow (display->display, TermWin.parent[0]);
295
296	init_command (cmd_argv);
297
298	pty_ev.start (cmd_fd, EVENT_READ);
299
300	check_ev.start ();
301
302	return true;
303	}
304
305	/* ------------------------------------------------------------------------- *
306	* SIGNAL HANDLING & EXIT HANDLER *
307	* ------------------------------------------------------------------------- */
308	/*
309	* Catch a SIGCHLD signal and exit if the direct child has died
310	*/
311	/* ARGSUSED */
312	/* EXTPROTO */
313	RETSIGTYPE
314	rxvt_Child_signal (int sig __attribute__ ((unused)))
315	{
316	int pid, save_errno = errno;
317	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
318	;
319	errno = save_errno;
320
321	#if 0
322	if (pid == cmd_pid)
323	exit (EXIT_SUCCESS);
324	#endif
325	}
326
327	/*
328	* Catch a fatal signal and tidy up before quitting
329	*/
330	/* EXTPROTO */
331	RETSIGTYPE
332	rxvt_Exit_signal (int sig)
333	{
334	signal (sig, SIG_DFL);
335	#ifdef DEBUG_CMD
336	rxvt_print_error ("signal %d", sig);
337	#endif
338	rxvt_clean_exit ();
339	kill (getpid (), sig);
340	}
341
342	/* INTPROTO */
343	int
344	rxvt_xerror_handler (Display *display, XErrorEvent *event)
345	{
346	if (GET_R->allowedxerror == -1)
347	GET_R->allowedxerror = event->error_code;
348	else
349	{
350	old_xerror_handler (display, event);
351	GET_R->destroy ();
352	}
353
354	return 0;
355	}	361	}
356		362
357	/*----------------------------------------------------------------------*/	363	/*----------------------------------------------------------------------*/
358	/*	364	/*
359	* Exit gracefully, clearing the utmp entry and restoring tty attributes	365	* Exit gracefully, clearing the utmp entry and restoring tty attributes
360	* TODO: if debugging, this should free up any known resources if we can	366	* TODO: if debugging, this should free up any known resources if we can
361	*/	367	*/
362	/* EXTPROTO */	368	static XErrorHandler old_xerror_handler;
363	void
364	rxvt_clean_exit ()
365	{
366	// TODO: rxvtd should clean up all ressources
367	if (GET_R)
368	GET_R->destroy ();
369	}
370		369
371	/* ------------------------------------------------------------------------- *	370	static void
372	* MEMORY ALLOCATION WRAPPERS *	371	rxvt_emergency_cleanup ()
373	* ------------------------------------------------------------------------- */
374	/* EXTPROTO */
375	void *
376	rxvt_malloc (size_t size)
377	{	372	{
378	void *p;	373	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
379		374	(*t)->emergency_cleanup ();
380	p = malloc (size);
381	if (p)
382	return p;
383
384	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
385	rxvt_clean_exit ();
386	exit (EXIT_FAILURE);
387	/* NOTREACHED */
388	}	375	}
389		376
390	/* EXTPROTO */	377	#if !ENABLE_MINIMAL
391	void *	378	static void
392	rxvt_calloc (size_t number, size_t size)	379	print_x_error (Display *dpy, XErrorEvent *event)
393	{	380	{
394	void *p;	381	char buffer[BUFSIZ];
395		382	char mesg[BUFSIZ];
396	p = calloc (number, size);	383	char number[32];
397	if (p)	384	char *mtype = "XlibMessage";
398	return p;	385	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
399		386	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
400	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");	387	rxvt_warn ("An X Error occured, trying to continue after report.\n");
401	rxvt_clean_exit ();	388	rxvt_warn ("%s: %s\n", mesg, buffer);
402	exit (EXIT_FAILURE);	389	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
403	/* NOTREACHED */	390	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		391	sprintf(number, "%d", event->request_code);
		392	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		393	rxvt_warn ("(which is %s)\n", buffer);
		394	if (event->request_code >= 128) {
		395	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		396	mesg, BUFSIZ);
		397	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		398	}
		399	if ((event->error_code == BadWindow) ||
		400	(event->error_code == BadPixmap) ||
		401	(event->error_code == BadCursor) ||
		402	(event->error_code == BadFont) ||
		403	(event->error_code == BadDrawable) ||
		404	(event->error_code == BadColor) ||
		405	(event->error_code == BadGC) ||
		406	(event->error_code == BadIDChoice) ||
		407	(event->error_code == BadValue) ||
		408	(event->error_code == BadAtom)) {
		409	if (event->error_code == BadValue)
		410	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		411	mesg, BUFSIZ);
		412	else if (event->error_code == BadAtom)
		413	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		414	mesg, BUFSIZ);
		415	else
		416	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		417	mesg, BUFSIZ);
		418	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		419	}
		420	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		421	mesg, BUFSIZ);
		422	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
404	}	423	}
		424	#endif
405		425
406	/* EXTPROTO */	426	int
407	void *	427	rxvt_xerror_handler (Display *display, XErrorEvent *event)
408	rxvt_realloc (void *ptr, size_t size)
409	{	428	{
410	void *p;	429	if (GET_R->allowedxerror == -1)
411		430	GET_R->allowedxerror = event->error_code;
412	if (ptr)
413	p = realloc (ptr, size);
414	else	431	else
415	p = malloc (size);	432	{
416	if (p)	433	// GET_R is most likely not the terminal which caused the error,
		434	// so just output the error and continue
		435	#if ENABLE_MINIMAL
		436	old_xerror_handler (display, event);
		437	#else
		438	print_x_error (display, event);
		439	#endif
		440	}
		441
417	return p;	442	return 0;
		443	}
418		444
419	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");	445	int
420	rxvt_clean_exit ();	446	rxvt_xioerror_handler (Display *display)
		447	{
		448	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		449	DisplayString (display));
		450	rxvt_emergency_cleanup ();
421	exit (EXIT_FAILURE);	451	_exit (EXIT_FAILURE);
422	/* NOTREACHED */
423	}	452	}
424		453
425	/* ------------------------------------------------------------------------- *	454	static struct sig_handlers
426	* PRIVILEGED OPERATIONS *
427	* ------------------------------------------------------------------------- */
428	/* take care of suid/sgid super-user (root) privileges */
429	void
430	rxvt_term::privileges (int mode)
431	{	455	{
432	#if ! defined(__CYGWIN32__)	456	ev::sig sw_term, sw_int;
433	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	457
434	/* setreuid () is the poor man's setuid (), seteuid () */	458	/*
435	# define seteuid(a) setreuid(-1, (a))	459	* Catch a fatal signal and tidy up before quitting
436	# define setegid(a) setregid(-1, (a))	460	*/
437	# define HAVE_SETEUID	461	void sig_term (ev::sig &w, int revents);
438	# endif	462
439	# ifdef HAVE_SETEUID	463	sig_handlers ()
440	switch (mode)
441	{	464	{
442	case IGNORE:	465	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
443	/*	466	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
444	* change effective uid/gid - not real uid/gid - so we can switch
445	* back to root later, as required
446	*/
447	seteuid (getuid ());
448	setegid (getgid ());
449	break;
450	case SAVE:
451	euid = geteuid ();
452	egid = getegid ();
453	break;
454	case RESTORE:
455	seteuid (euid);
456	setegid (egid);
457	break;
458	}	467	}
459	# else	468	} sig_handlers;
460	switch (mode)
461	{
462	case IGNORE:
463	setuid (getuid ());
464	setgid (getgid ());
465	/* FALLTHROUGH */
466	case SAVE:
467	/* FALLTHROUGH */
468	case RESTORE:
469	break;
470	}
471	# endif
472	#endif
473	}
474		469
475	#ifdef UTMP_SUPPORT
476	void	470	void
477	rxvt_term::privileged_utmp (char action)	471	sig_handlers::sig_term (ev::sig &w, int revents)
478	{	472	{
479	D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)",	473	rxvt_emergency_cleanup ();
480	action, next_utmp_action, getpid ()));	474	w.stop ();
481	if (next_utmp_action != action || (action != SAVE && action != RESTORE)	475	kill (getpid (), w.signum);
482	|| (Options & Opt_utmpInhibit)
483	|| ttydev == NULL || *ttydev == '\0')
484	return;
485
486	privileges (RESTORE);
487	if (action == SAVE)
488	{
489	next_utmp_action = RESTORE;
490	makeutent (ttydev, rs[Rs_display_name]);
491	}
492	else
493	{ /* action == RESTORE */
494	next_utmp_action = IGNORE;
495	cleanutent ();
496	}
497	privileges (IGNORE);
498	}	476	}
499	#endif
500		477
501	#ifndef NO_SETOWNER_TTYDEV	478	char **rxvt_environ; // startup environment
502	void
503	rxvt_term::privileged_ttydev (char action)
504	{
505	D_MAIN ((stderr,
506	"privileged_ttydev (%c); waiting for: %c (pid: %d)",
507	action, next_tty_action, getpid ()));
508	if (next_tty_action != action || (action != SAVE && action != RESTORE)
509	|| ttydev == NULL || *ttydev == '\0')
510	return;
511		479
512	privileges (RESTORE);	480	void
		481	rxvt_init ()
		482	{
		483	ptytty::init ();
513		484
514	if (action == SAVE)	485	if (!ev_default_loop (0))
515	{	486	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
516	next_tty_action = RESTORE;
517	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
518	/* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */
519	if (lstat (ttydev, &ttyfd_stat) < 0) /* you lose out */
520	next_tty_action = IGNORE;
521	else
522	# endif
523		487
524	{	488	rxvt_environ = environ;
525	chown (ttydev, getuid (), ttygid); /* fail silently */
526	chmod (ttydev, ttymode);
527	# ifdef HAVE_REVOKE
528	revoke (ttydev);
529	# endif
530		489
531	}	490	signal (SIGHUP, SIG_IGN);
532	}	491	signal (SIGPIPE, SIG_IGN);
533	else
534	{ /* action == RESTORE */
535	next_tty_action = IGNORE;
536	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
537	chmod (ttydev, ttyfd_stat.st_mode);
538	chown (ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
539	# else
540	chmod (ttydev,
541	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
542	chown (ttydev, 0, 0);
543	# endif
544		492
545	}	493	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		494	sig_handlers.sw_int.start (SIGINT); ev_unref ();
546		495
547	privileges (IGNORE);	496	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		497	/* signal (SIGURG, SIG_DFL); */
548		498
549	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	499	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
550	D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",	500	// TODO: handle this with exceptions and tolerate the memory loss
551	action == RESTORE ? "Restoring" : (action ==	501	XSetIOErrorHandler (rxvt_xioerror_handler);
552	SAVE ? "Saving" :	502
553	"UNKNOWN ERROR for"), ttydev,	503	XrmInitialize ();
554	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
555	ttyfd_stat.st_gid));
556	# endif
557	}	504	}
558	#endif
559		505
560	/*----------------------------------------------------------------------*/	506	/*----------------------------------------------------------------------*/
561	/*	507	/*
562	* window size/position calculcations for XSizeHint and other storage.	508	* window size/position calculations for XSizeHint and other storage.
563	* if width/height are non-zero then override calculated width/height	509	* if width/height are non-zero then override calculated width/height
564	*/	510	*/
565	void	511	void
566	rxvt_term::window_calc (unsigned int width, unsigned int height)	512	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
567	{	513	{
568	short recalc_x, recalc_y;	514	short recalc_x, recalc_y;
569	int x, y, sb_w, mb_h, flags;	515	int x, y, flags;
570	unsigned int w, h;	516	unsigned int w, h;
571	unsigned int max_width, max_height;	517	unsigned int max_width, max_height;
572		518
573	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
574	TermWin.ncol, TermWin.nrow, szHint.width,
575	szHint.height));
576	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	519	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
577	szHint.win_gravity = NorthWestGravity;	520	szHint.win_gravity = NorthWestGravity;
578	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	521	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
579		522
580	recalc_x = recalc_y = 0;	523	recalc_x = recalc_y = 0;
581	flags = 0;	524	flags = 0;
		525
582	if (!parsed_geometry)	526	if (!parsed_geometry)
583	{	527	{
584	parsed_geometry = 1;	528	parsed_geometry = 1;
		529
585	if (rs[Rs_geometry])	530	if (rs[Rs_geometry])
586	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);	531	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		532
587	if (flags & WidthValue)	533	if (flags & WidthValue)
588	{	534	{
589	TermWin.ncol = BOUND_POSITIVE_INT16 (w);	535	if (!w)
		536	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		537
		538	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
590	szHint.flags |= USSize;	539	szHint.flags |= USSize;
591	}	540	}
		541
592	if (flags & HeightValue)	542	if (flags & HeightValue)
593	{	543	{
594	TermWin.nrow = BOUND_POSITIVE_INT16 (h);	544	if (!h)
		545	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		546
		547	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
595	szHint.flags |= USSize;	548	szHint.flags |= USSize;
596	}	549	}
		550
597	if (flags & XValue)	551	if (flags & XValue)
598	{	552	{
599	szHint.x = x;	553	szHint.x = x;
600	szHint.flags |= USPosition;	554	szHint.flags |= USPosition;
		555
601	if (flags & XNegative)	556	if (flags & XNegative)
602	{	557	{
603	recalc_x = 1;	558	recalc_x = 1;
604	szHint.win_gravity = NorthEastGravity;	559	szHint.win_gravity = NorthEastGravity;
605	}	560	}
606	}	561	}
		562
607	if (flags & YValue)	563	if (flags & YValue)
608	{	564	{
609	szHint.y = y;	565	szHint.y = y;
610	szHint.flags |= USPosition;	566	szHint.flags |= USPosition;
		567
611	if (flags & YNegative)	568	if (flags & YNegative)
612	{	569	{
613	recalc_y = 1;	570	recalc_y = 1;
		571
614	if (szHint.win_gravity == NorthEastGravity)	572	if (szHint.win_gravity == NorthEastGravity)
615	szHint.win_gravity = SouthEastGravity;	573	szHint.win_gravity = SouthEastGravity;
616	else	574	else
617	szHint.win_gravity = SouthWestGravity;	575	szHint.win_gravity = SouthWestGravity;
618	}	576	}
619	}	577	}
620	}	578	}
		579
621	/* TODO: BOUNDS */	580	/* TODO: BOUNDS */
622	TermWin.width = TermWin.ncol * TermWin.fwidth;	581	width = ncol * fwidth;
623	TermWin.height = TermWin.nrow * TermWin.fheight;	582	height = nrow * fheight;
624	max_width = MAX_COLS * TermWin.fwidth;	583	max_width = MAX_COLS * fwidth;
625	max_height = MAX_ROWS * TermWin.fheight;	584	max_height = MAX_ROWS * fheight;
626		585
627	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	586	szHint.base_width = szHint.base_height = 2 * int_bwidth;
628		587
629	sb_w = mb_h = 0;
630	window_vt_x = window_vt_y = 0;	588	window_vt_x = window_vt_y = int_bwidth;
631	if (scrollbar_visible ())	589
		590	if (scrollBar.state)
632	{	591	{
633	sb_w = scrollbar_TotalWidth ();	592	int sb_w = scrollBar.total_width ();
634	szHint.base_width += sb_w;	593	szHint.base_width += sb_w;
		594
635	if (! (Options & Opt_scrollBar_right))	595	if (!option (Opt_scrollBar_right))
636	window_vt_x = sb_w;	596	window_vt_x += sb_w;
637	}
638	if (menubar_visible ())
639	{	597	}
640	mb_h = menuBar_TotalHeight ();	598
641	szHint.base_height += mb_h;
642	window_vt_y = mb_h;
643	}
644	szHint.width_inc = TermWin.fwidth;	599	szHint.width_inc = fwidth;
645	szHint.height_inc = TermWin.fheight;	600	szHint.height_inc = fheight;
646	szHint.min_width = szHint.base_width + szHint.width_inc;	601	szHint.min_width = szHint.base_width + szHint.width_inc;
647	szHint.min_height = szHint.base_height + szHint.height_inc;	602	szHint.min_height = szHint.base_height + szHint.height_inc;
648		603
649	if (width && width - szHint.base_width < max_width)	604	if (newwidth && newwidth - szHint.base_width < max_width)
650	{	605	{
651	szHint.width = width;	606	szHint.width = newwidth;
652	TermWin.width = width - szHint.base_width;	607	width = newwidth - szHint.base_width;
653	}	608	}
654	else	609	else
655	{	610	{
656	MIN_IT (TermWin.width, max_width);	611	min_it (width, max_width);
657	szHint.width = szHint.base_width + TermWin.width;	612	szHint.width = szHint.base_width + width;
658	}	613	}
		614
659	if (height && height - szHint.base_height < max_height)	615	if (newheight && newheight - szHint.base_height < max_height)
660	{	616	{
661	szHint.height = height;	617	szHint.height = newheight;
662	TermWin.height = height - szHint.base_height;	618	height = newheight - szHint.base_height;
663	}	619	}
664	else	620	else
665	{	621	{
666	MIN_IT (TermWin.height, max_height);	622	min_it (height, max_height);
667	szHint.height = szHint.base_height + TermWin.height;	623	szHint.height = szHint.base_height + height;
668	}	624	}
669	if (scrollbar_visible () && (Options & Opt_scrollBar_right))
670	window_sb_x = szHint.width - sb_w;
671		625
672	if (recalc_x)	626	if (recalc_x)
673	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	627	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
674	- szHint.width - 2 * TermWin.ext_bwidth);	628
675	if (recalc_y)	629	if (recalc_y)
676	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	630	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
677	- szHint.height - 2 * TermWin.ext_bwidth);
678		631
679	TermWin.ncol = TermWin.width / TermWin.fwidth;	632	ncol = width / fwidth;
680	TermWin.nrow = TermWin.height / TermWin.fheight;	633	nrow = height / fheight;
681	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
682	TermWin.ncol, TermWin.nrow, szHint.width,
683	szHint.height));
684	return;
685	}	634	}
686		635
687	/*----------------------------------------------------------------------*/	636	/*----------------------------------------------------------------------*/
688	/*	637	/*
689	* Tell the teletype handler what size the window is.	638	* Tell the teletype handler what size the window is.
690	* Called after a window size change.	639	* Called after a window size change.
691	*/	640	*/
692	void	641	void
693	rxvt_term::tt_winch ()	642	rxvt_term::tt_winch ()
694	{	643	{
		644	if (pty->pty < 0)
		645	return;
		646
695	struct winsize ws;	647	struct winsize ws;
696		648
697	if (cmd_fd < 0)
698	return;
699
700	ws.ws_col = TermWin.ncol;	649	ws.ws_col = ncol;
701	ws.ws_row = TermWin.nrow;	650	ws.ws_row = nrow;
702	ws.ws_xpixel = ws.ws_ypixel = 0;	651	ws.ws_xpixel = width;
703	#ifndef DEBUG_SIZE	652	ws.ws_ypixel = height;
704	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	653	ioctl (pty->pty, TIOCSWINSZ, &ws);
705	#else	654
706	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	655	#if 0
707	D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	656	// TIOCSWINSZ is supposed to do this automatically and correctly
708	# ifdef SIGWINCH
709	else if (cmd_pid) /* force through to the command */	657	if (cmd_pid) /* force through to the command */
710	kill (cmd_pid, SIGWINCH);	658	kill (-cmd_pid, SIGWINCH);
711	# endif
712	#endif	659	#endif
713	}	660	}
714		661
715	/*----------------------------------------------------------------------*/	662	/*----------------------------------------------------------------------*/
716	/* rxvt_change_font () - Switch to a new font */	663	/* set_fonts () - load and set the various fonts
717	/*	664	*
718	* init = 1 - initialize	665	* init = 1 - initialize
719	*	666	*
720	* fontname == FONT_UP - switch to bigger font	667	* fontname == FONT_UP - switch to bigger font
721	* fontname == FONT_DN - switch to smaller font	668	* fontname == FONT_DN - switch to smaller font
722	*/	669	*/
723	void	670	bool
724	rxvt_term::change_font (int init, const char *fontname)	671	rxvt_term::set_fonts ()
725	{}	672	{
		673	rxvt_fontset *fs = new rxvt_fontset (this);
		674	rxvt_fontprop prop;
726		675
		676	if (!fs
		677	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		678	|| !fs->realize_font (1))
		679	{
		680	delete fs;
		681	return false;
		682	}
		683
		684	#if ENABLE_STYLES
		685	for (int i = RS_styleCount; --i; )
		686	if (fontset[i] != fontset[0])
		687	delete fontset[i];
		688	#endif
		689
		690	delete fontset[0];
		691	fontset[0] = fs;
		692
		693	prop = (*fs)[1]->properties ();
		694	prop.height += lineSpace;
		695	prop.width += letterSpace;
		696
		697	fs->set_prop (prop, false);
		698
		699	fwidth = prop.width;
		700	fheight = prop.height;
		701	fbase = prop.ascent;
		702
		703	for (int style = 1; style < 4; style++)
		704	{
		705	#if ENABLE_STYLES
		706	const char *res = rs[Rs_font + style];
		707
		708	if (res && !*res)
		709	fontset[style] = fontset[0];
		710	else
		711	{
		712	fontset[style] = fs = new rxvt_fontset (this);
		713	rxvt_fontprop prop2 = prop;
		714
		715	if (res)
		716	{
		717	fs->populate (res);
		718	fs->set_prop (prop2, false);
		719	}
		720	else
		721	{
		722	fs->populate (fontset[0]->fontdesc);
		723
		724	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		725	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		726
		727	fs->set_prop (prop2, true);
		728	}
		729
		730	}
		731	#else
		732	fontset[style] = fontset[0];
		733	#endif
		734	}
		735
		736	if (parent[0])
		737	{
		738	resize_all_windows (0, 0, 0);
		739	scr_remap_chars ();
		740	scr_touch (true);
		741	}
		742
		743	return true;
		744	}
		745
727	void	746	void
728	rxvt_term::font_up_down (int n, int direction)	747	rxvt_term::set_string_property (Atom prop, const char *str, int len)
729	{}	748	{
		749	XChangeProperty (dpy, parent[0],
		750	prop, XA_STRING, 8, PropModeReplace,
		751	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		752	}
		753
		754	void
		755	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		756	{
		757	wchar_t *ws = rxvt_mbstowcs (str, len);
		758	char *s = rxvt_wcstoutf8 (ws);
		759
		760	XChangeProperty (dpy, parent[0],
		761	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		762	(const unsigned char *)s, strlen (s));
		763
		764	free (s);
		765	free (ws);
		766	}
730		767
731	/*----------------------------------------------------------------------*/	768	/*----------------------------------------------------------------------*/
732	/*----------------------------------------------------------------------*/	769	/*----------------------------------------------------------------------*/
733	/* xterm sequences - title, iconName, color (exptl) */	770	/* xterm sequences - title, iconName, color (exptl) */
734	void	771	void
735	rxvt_term::set_title (const char *str)	772	rxvt_term::set_title (const char *str)
736	{	773	{
737	#ifndef SMART_WINDOW_TITLE	774	set_string_property (XA_WM_NAME, str);
738	XStoreName (display->display, TermWin.parent[0], str);	775	#if ENABLE_EWMH
739	#else	776	set_utf8_property (xa[XA_NET_WM_NAME], str);
740	char *name;
741
742	if (XFetchName (display->display, TermWin.parent[0], &name) == 0)
743	name = NULL;
744	if (name == NULL || STRCMP (name, str))
745	XStoreName (display->display, TermWin.parent[0], str);
746	if (name)
747	XFree (name);
748	#endif	777	#endif
749	}	778	}
750		779
751	void	780	void
752	rxvt_term::set_iconName (const char *str)	781	rxvt_term::set_icon_name (const char *str)
753	{	782	{
754	#ifndef SMART_WINDOW_TITLE	783	set_string_property (XA_WM_ICON_NAME, str);
755	XSetIconName (display->display, TermWin.parent[0], str);	784	#if ENABLE_EWMH
756	#else	785	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
757	char *name;
758
759	if (XGetIconName (display->display, TermWin.parent[0], &name))
760	name = NULL;
761	if (name == NULL || STRCMP (name, str))
762	XSetIconName (display->display, TermWin.parent[0], str);
763	if (name)
764	XFree (name);
765	#endif	786	#endif
766	}	787	}
767		788
		789	void
		790	rxvt_term::set_window_color (int idx, const char *color)
		791	{
768	#ifdef XTERM_COLOR_CHANGE	792	#ifdef XTERM_COLOR_CHANGE
769	void
770	rxvt_term::set_window_color (int idx, const char *color)
771	{
772	rxvt_color xcol;	793	rxvt_color xcol;
773	int i;
774		794
775	if (color == NULL || *color == '\0')	795	if (color == NULL || *color == '\0')
776	return;	796	return;
777		797
		798	color = strdup (color);
		799	allocated.push_back ((void *)color);
		800	rs[Rs_color + idx] = color;
		801
778	/* handle color aliases */	802	/* handle color aliases */
779	if (isdigit (*color))	803	if (isdigit (*color))
780	{	804	{
781	i = atoi (color);	805	int i = atoi (color);
		806
782	if (i >= 8 && i <= 15)	807	if (i >= 8 && i <= 15)
		808	{
783	{ /* bright colors */	809	/* bright colors */
784	i -= 8;
785	# ifndef NO_BRIGHTCOLOR
786	PixColors[idx] = PixColors[minBrightCOLOR + i];	810	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
787	SET_PIXCOLOR (idx);
788	goto Done;	811	goto done;
789	# endif
790
791	}	812	}
		813
792	if (i >= 0 && i <= 7)	814	if (i >= 0 && i <= 7)
		815	{
793	{ /* normal colors */	816	/* normal colors */
794	PixColors[idx] = PixColors[minCOLOR + i];	817	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
795	SET_PIXCOLOR (idx);
796	goto Done;	818	goto done;
797	}	819	}
798	}	820	}
799	if (!rXParseAllocColor (& xcol, color))	821
800	return;	822	set_color (xcol, color);
801	/* XStoreColor (display->display, XCMAP, XColor*); */
802		823
803	/*	824	/*
804	* FIXME: should free colors here, but no idea how to do it so instead,	825	* FIXME: should free colors here, but no idea how to do it so instead,
805	* so just keep gobbling up the colormap	826	* so just keep gobbling up the colormap
806	*/	827	*/
807	# if 0
808	for (i = Color_Black; i <= Color_White; i++)
809	if (PixColors[idx] == PixColors[i])
810	break;
811	if (i > Color_White)
812	{
813	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
814	XFreeColors (display->display, XCMAP, (PixColors + idx), 1,
815	DisplayPlanes (display->display, display->screen));
816	}
817	# endif
818		828
819	PixColors[idx] = xcol;	829	pix_colors_focused[idx] = xcol;
820	SET_PIXCOLOR (idx);
821		830
822	/* XSetWindowAttributes attr; */
823	/* Cursor cursor; */
824	Done:	831	done:
825	if (idx == Color_bg && ! (Options & Opt_transparent))
826	XSetWindowBackground (display->display, TermWin.vt,
827	PixColors[Color_bg]);
828
829	/* handle Color_BD, scrollbar background, etc. */	832	/*TODO: handle Color_BD, scrollbar background, etc. */
830		833
831	set_colorfgbg ();	834	update_fade_color (idx);
832	recolour_cursor ();	835	recolour_cursor ();
833	/* the only reasonable way to enforce a clean update */	836	scr_recolour ();
834	scr_poweron ();	837	#endif /* XTERM_COLOR_CHANGE */
835	}	838	}
836
837	#else
838	# define set_window_color (idx,color) ((void)0)
839	#endif /* XTERM_COLOR_CHANGE */
840		839
841	void	840	void
842	rxvt_term::recolour_cursor ()	841	rxvt_term::recolour_cursor ()
843	{	842	{
844	#if TODO	843	XColor fg, bg;
845	rxvt_color xcol[2];
846		844
847	xcol[0] = PixColors[Color_pointer];	845	(ISSET_PIXCOLOR (Color_pointer_fg)
848	xcol[1] = PixColors[Color_bg];	846	? pix_colors_focused[Color_pointer_fg]
849	XQueryColors (display->display, XCMAP, xcol, 2);	847	: pix_colors_focused[Color_fg]).get (fg);
850	XRecolorCursor (display->display, TermWin_cursor, & (xcol[0]), & (xcol[1]));	848
851	#endif	849	(ISSET_PIXCOLOR (Color_pointer_bg)
		850	? pix_colors_focused[Color_pointer_bg]
		851	: pix_colors_focused[Color_bg]).get (bg);
		852
		853	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
852	}	854	}
853		855
854	/*----------------------------------------------------------------------*/	856	/*----------------------------------------------------------------------*/
855	/*	857	/*
856	* find if fg/bg matches any of the normal (low-intensity) colors	858	* find if fg/bg matches any of the normal (low-intensity) colors
857	*/	859	*/
858	void	860	void
859	rxvt_term::set_colorfgbg ()	861	rxvt_term::set_colorfgbg ()
860	{	862	{
861	unsigned int i;	863	unsigned int i;
862	const char *xpmb = "\0";	864	const char *xpmb = "";
863	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];	865	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
864		866
865	env_colorfgbg =
866	(char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
867	STRCPY (fstr, "default");	867	strcpy (fstr, "default");
868	STRCPY (bstr, "default");	868	strcpy (bstr, "default");
869	for (i = Color_Black; i <= Color_White; i++)	869	for (i = Color_Black; i <= Color_White; i++)
870	if (PixColors[Color_fg] == PixColors[i])	870	if (pix_colors[Color_fg] == pix_colors[i])
871	{	871	{
872	sprintf (fstr, "%d", (i - Color_Black));	872	sprintf (fstr, "%d", (i - Color_Black));
873	break;	873	break;
874	}	874	}
		875
875	for (i = Color_Black; i <= Color_White; i++)	876	for (i = Color_Black; i <= Color_White; i++)
876	if (PixColors[Color_bg] == PixColors[i])	877	if (pix_colors[Color_bg] == pix_colors[i])
877	{	878	{
878	sprintf (bstr, "%d", (i - Color_Black));	879	sprintf (bstr, "%d", (i - Color_Black));
879	#ifdef XPM_BACKGROUND	880	#ifdef BG_IMAGE_FROM_FILE
880	xpmb = "default;";	881	xpmb = "default;";
881	#endif	882	#endif
882	break;	883	break;
883	}	884	}
884		885
885	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	886	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
886
887	#ifndef NO_BRIGHTCOLOR
888	colorfgbg = DEFAULT_RSTYLE;
889	for (i = minCOLOR; i <= maxCOLOR; i++)
890	{
891	if (PixColors[Color_fg] == PixColors[i])
892	colorfgbg = SET_FGCOLOR (colorfgbg, i);
893	if (PixColors[Color_bg] == PixColors[i])
894	colorfgbg = SET_BGCOLOR (colorfgbg, i);
895	}
896	#endif
897	}	887	}
898		888
899	/*----------------------------------------------------------------------*/	889	/*----------------------------------------------------------------------*/
900	/*
901	* Colour determination for low colour displays, routine from
902	* Hans de Goede <hans@highrise.nl>
903	*/
904		890
905	int	891	bool
906	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	892	rxvt_term::set_color (rxvt_color &color, const char *name)
907	{	893	{
908	if (!screen_in_out->set (display, colour))	894	if (color.set (this, name))
909	{
910	rxvt_print_error ("can't allocate colour: %s", colour);
911	return false;
912	}
913
914	return true;	895	return true;
		896
		897	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		898	return false;
		899	}
		900
		901	void
		902	rxvt_term::alias_color (int dst, int src)
		903	{
		904	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
915	}	905	}
916		906
917	/* -------------------------------------------------------------------- *	907	/* -------------------------------------------------------------------- *
918	* - WINDOW RESIZING - *	908	* - WINDOW RESIZING - *
919	* -------------------------------------------------------------------- */	909	* -------------------------------------------------------------------- */
920	void	910	void
921	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	911	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
922	{	912	{
923	int fix_screen;	913	int fix_screen;
		914	int old_width = szHint.width;
		915	int old_height = szHint.height;
924		916
925	#ifdef SMART_RESIZE
926	int old_width = szHint.width, old_height = szHint.height;
927	#endif
928
929	window_calc (width, height);	917	window_calc (newwidth, newheight);
		918
		919	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		920
		921	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		922	if (set_hint)
		923	{
		924	szHint.flags &= ~(PBaseSize | PResizeInc);
930	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	925	XSetWMNormalHints (dpy, parent[0], &szHint);
		926	szHint.flags |= PBaseSize | PResizeInc;
		927	}
		928
931	if (!ignoreparent)	929	if (!ignoreparent)
932	{	930	{
933	#ifdef SMART_RESIZE	931	#ifdef SMART_RESIZE
934	/*	932	/*
935	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	933	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
938	int x, y, x1, y1;	936	int x, y, x1, y1;
939	int dx, dy;	937	int dx, dy;
940	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	938	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
941	Window unused_cr;	939	Window unused_cr;
942		940
943	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	941	XTranslateCoordinates (dpy, parent[0], display->root,
944	0, 0, &x, &y, &unused_cr);	942	0, 0, &x, &y, &unused_cr);
945	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	943	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
946	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	944	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
947	/*	945	/*
948	* if display->root isn't the parent window, a WM will probably have offset	946	* if display->root isn't the parent window, a WM will probably have offset
949	* our position for handles and decorations. Counter it	947	* our position for handles and decorations. Counter it
950	*/	948	*/
…		…
952	{	950	{
953	x -= x1;	951	x -= x1;
954	y -= y1;	952	y -= y1;
955	}	953	}
956		954
957	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	955	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
958	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	956	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
959	dx = old_width - szHint.width;	957	dx = old_width - szHint.width;
960	dy = old_height - szHint.height;	958	dy = old_height - szHint.height;
961		959
962	/* Check position of the center of the window */	960	/* Check position of the center of the window */
963	if (x < x1) /* left half */	961	if (x < x1) /* left half */
964	dx = 0;	962	dx = 0;
…		…
967	if (y < y1) /* top half */	965	if (y < y1) /* top half */
968	dy = 0;	966	dy = 0;
969	else if (y == y1) /* exact center */	967	else if (y == y1) /* exact center */
970	dy /= 2;	968	dy /= 2;
971		969
972	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	970	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
973	szHint.width, szHint.height);	971	szHint.width, szHint.height);
974	#else	972	#else
975	XResizeWindow (display->display, TermWin.parent[0], szHint.width,	973	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
976	szHint.height);
977	#endif	974	#endif
978
979	}	975	}
980		976
981	fix_screen = (TermWin.ncol != prev_ncol	977	if (set_hint)
982	|| TermWin.nrow != prev_nrow);	978	XSetWMNormalHints (dpy, parent[0], &szHint);
983		979
		980	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		981
984	if (fix_screen || width != old_width || height != old_height)	982	if (fix_screen || newwidth != old_width || newheight != old_height)
985	{	983	{
986	if (scrollbar_visible ())	984	if (scrollBar.state)
987	{	985	scrollBar.resize ();
988	XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,
989	0, scrollbar_TotalWidth (), szHint.height);
990	resize_scrollbar ();
991	}
992		986
993	if (menubar_visible ())	987	XMoveResizeWindow (dpy, vt,
994	XMoveResizeWindow (display->display, menuBar.win, window_vt_x,	988	window_vt_x, window_vt_y,
995	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
996
997	XMoveResizeWindow (display->display, TermWin.vt, window_vt_x,
998	window_vt_y, TermWin_TotalWidth (),
999	TermWin_TotalHeight ());	989	width, height);
1000	#ifdef RXVT_GRAPHICS
1001	if (old_height)
1002	Gr_Resize (old_width - szHint.base_width,
1003	old_height - szHint.base_height);
1004	#endif
1005	scr_clear ();
1006	#ifdef XPM_BACKGROUND
1007	resize_pixmap ();
1008	#endif
1009		990
		991	#ifdef HAVE_BG_PIXMAP
		992	if (bgPixmap.window_size_sensitive ())
		993	update_background ();
		994	#endif
1010	}	995	}
1011		996
1012	if (fix_screen || old_height == 0)	997	if (fix_screen || old_height == 0)
1013	{
1014	int curr_screen = -1;
1015	int old_ncol = prev_ncol;
1016
1017	/* scr_reset only works on the primary screen */
1018	if (old_height) /* this is not the first time through */
1019	{
1020	unsigned int ncol = TermWin.ncol;
1021	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1022	curr_screen = scr_change_screen (PRIMARY);
1023	TermWin.ncol = ncol;
1024	}
1025
1026	scr_reset ();	998	scr_reset ();
1027		999
1028	if (curr_screen >= 0) /* this is not the first time through */	1000	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
1029	{	1001	//scr_touch (false);
1030	scr_change_screen (curr_screen);
1031	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
1032	}
1033	}
1034		1002
1035	old_width = szHint.width;	1003	#ifdef HAVE_BG_PIXMAP
1036	old_height = szHint.height;	1004	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
		1005	// if (bgPixmap.pixmap)
		1006	// scr_touch (false);
		1007	#endif
1037		1008
1038	#ifdef USE_XIM	1009	#ifdef USE_XIM
1039	IMSetStatusPosition ();	1010	IMSetPosition ();
1040	#endif	1011	#endif
1041	}	1012	}
1042		1013
1043	/*	1014	/*
1044	* Set the width/height of the vt window in characters. Units are pixels.	1015	* Set the width/height of the vt window in characters. Units are pixels.
1045	* good for toggling 80/132 columns	1016	* good for toggling 80/132 columns
1046	*/	1017	*/
1047	void	1018	void
1048	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1019	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1049	{	1020	{
1050	XWindowAttributes wattr;	1021	XWindowAttributes wattr;
1051		1022
1052	if (width == 0 || height == 0)	1023	if (newwidth == 0 || newheight == 0)
1053	{	1024	{
1054	XGetWindowAttributes (display->display, display->root, &wattr);	1025	XGetWindowAttributes (dpy, display->root, &wattr);
		1026
1055	if (width == 0)	1027	if (newwidth == 0)
1056	width = wattr.width - szHint.base_width;	1028	newwidth = wattr.width - szHint.base_width;
1057	if (height == 0)	1029	if (newheight == 0)
1058	height = wattr.height - szHint.base_height;	1030	newheight = wattr.height - szHint.base_height;
1059	}
1060	if (width != TermWin.width || height != TermWin.height)
1061	{	1031	}
		1032
		1033	if (newwidth != width || newheight != height)
		1034	{
1062	width += szHint.base_width;	1035	newwidth += szHint.base_width;
1063	height += szHint.base_height;	1036	newheight += szHint.base_height;
1064	resize_all_windows (width, height, 0);	1037	resize_all_windows (newwidth, newheight, 0);
1065	}	1038	}
1066	}	1039	}
1067		1040
1068	/* -------------------------------------------------------------------- *	1041	/* -------------------------------------------------------------------- *
1069	* - X INPUT METHOD ROUTINES - *	1042	* - X INPUT METHOD ROUTINES - *
1070	* -------------------------------------------------------------------- */	1043	* -------------------------------------------------------------------- */
1071	#ifdef USE_XIM	1044	#ifdef USE_XIM
1072		1045
1073	void	1046	void
		1047	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
		1048	{
		1049	fg = pix_colors [Color_fg];
		1050	bg = pix_colors [Color_bg];
		1051	}
		1052
		1053	void
1074	rxvt_term::im_set_size (XRectangle *size)	1054	rxvt_term::im_set_size (XRectangle &size)
1075	{	1055	{
1076	size->x = TermWin.int_bwidth;	1056	// the int_bwidth terms make no sense to me
1077	size->y = TermWin.int_bwidth;	1057	size.x = int_bwidth;
1078	size->width = Width2Pixel (TermWin.ncol);	1058	size.y = int_bwidth;
1079	size->height = Height2Pixel (TermWin.nrow);	1059	size.width = Width2Pixel (ncol) + int_bwidth;
		1060	size.height = Height2Pixel (nrow) + int_bwidth;
1080	}	1061	}
1081		1062
1082	void	1063	void
1083	rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)	1064	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1065	XRectangle &status_rect,
		1066	const XRectangle &needed_rect)
1084	{	1067	{
1085	*fg = PixColors[Color_fg];	1068	preedit_rect.x = needed_rect.width;
1086	*bg = PixColors[Color_bg];	1069	preedit_rect.y = 0;
		1070	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1071	preedit_rect.height = fheight;
		1072
		1073	status_rect.x = 0;
		1074	status_rect.y = 0;
		1075	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1076	status_rect.height = fheight;
1087	}	1077	}
1088		1078
1089	/* Checking whether input method is running. */	1079	/* Checking whether input method is running. */
1090	bool	1080	bool
1091	rxvt_term::IMisRunning ()	1081	rxvt_term::IMisRunning ()
1092	{	1082	{
1093	char *p;	1083	Atom atom;
1094	Atom atom;	1084	Window win;
1095	Window win;
1096	char server[IMBUFSIZ];	1085	char server[IMBUFSIZ];
1097		1086
1098	/* get current locale modifier */	1087	/* get current locale modifier */
1099	if ((p = XSetLocaleModifiers (NULL)) != NULL)	1088	if (char *p = XSetLocaleModifiers (0))
1100	{	1089	{
1101	STRCPY (server, "@server=");	1090	strcpy (server, "@server=");
1102	STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1091	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1092
1103	if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */	1093	if (p = strchr (server + 1, '@')) /* first one only */
1104	*p = '\0';	1094	*p = '\0';
1105		1095
1106	atom = XInternAtom (display->display, server, False);	1096	atom = XInternAtom (dpy, server, False);
1107	win = XGetSelectionOwner (display->display, atom);	1097	win = XGetSelectionOwner (dpy, atom);
		1098
1108	if (win != None)	1099	if (win != None)
1109	return True;	1100	return True;
1110	}	1101	}
		1102
1111	return False;	1103	return False;
1112	}	1104	}
1113		1105
1114	void	1106	void
1115	rxvt_term::IMSendSpot ()	1107	rxvt_term::IMSendSpot ()
1116	{	1108	{
1117	XPoint spot;	1109	XPoint nspot;
1118	XVaNestedList preedit_attr;	1110	XVaNestedList preedit_attr;
1119		1111
1120	if (Input_Context == NULL	1112	if (!Input_Context
1121	|| !TermWin.focus || ! (input_style & XIMPreeditPosition)	1113	|| !focus
1122	|| ! (event_type == KeyPress	1114	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1123	|| event_type == Expose
1124	|| event_type == NoExpose
1125	|| event_type == SelectionNotify
1126	|| event_type == ButtonRelease || event_type == FocusIn)
1127	|| !IMisRunning ())
1128	return;	1115	return;
1129		1116
1130	im_set_position (&spot);	1117	im_set_position (nspot);
		1118
		1119	if (nspot.x == spot.x && nspot.y == spot.y)
		1120	return;
		1121
		1122	spot = nspot;
1131		1123
1132	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);	1124	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1133	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1125	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1134	XFree (preedit_attr);	1126	XFree (preedit_attr);
1135	}	1127	}
1136		1128
1137	void	1129	void
1138	rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,
1139	XRectangle * needed_rect)
1140	{
1141	int mbh, vtx = 0;
1142
1143	if (scrollbar_visible () && ! (Options & Opt_scrollBar_right))
1144	vtx = scrollbar_TotalWidth ();
1145
1146	mbh = menubar_visible () ? menuBar_TotalHeight () : 0;
1147	mbh -= TermWin.lineSpace;
1148
1149	preedit_rect->x = needed_rect->width + vtx;
1150	preedit_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1151
1152	preedit_rect->width = Width2Pixel (TermWin.ncol + 1) - needed_rect->width + vtx;
1153	preedit_rect->height = Height2Pixel (1);
1154
1155	status_rect->x = vtx;
1156	status_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1157
1158	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel (TermWin.ncol + 1);
1159	status_rect->height = Height2Pixel (1);
1160	}
1161
1162	void
1163	rxvt_term::im_destroy ()	1130	rxvt_term::im_destroy ()
1164	{	1131	{
1165	if (Input_Context)
1166	{
1167	XDestroyIC (Input_Context);
1168	Input_Context = NULL;
1169	}
1170
1171	if (input_method)	1132	if (input_method)
1172	{	1133	{
		1134	if (Input_Context && input_method->xim)
		1135	XDestroyIC (Input_Context);
		1136
1173	display->put_xim (input_method);	1137	display->put_xim (input_method);
1174	input_method = 0;	1138	input_method = 0;
1175	}	1139	}
		1140
		1141	Input_Context = 0;
1176	}	1142	}
		1143
		1144	#ifdef ENABLE_XIM_ONTHESPOT
		1145
		1146	static void
		1147	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1148	{
		1149	((rxvt_term *)client_data)->make_current ();
		1150	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1151	}
		1152
		1153	static void
		1154	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1155	{
		1156	((rxvt_term *)client_data)->make_current ();
		1157	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1158	}
		1159
		1160	static void
		1161	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1162	{
		1163	rxvt_term *term = (rxvt_term *)client_data;
		1164	XIMText *text = call_data->text;
		1165
		1166	term->make_current ();
		1167
		1168	if (text)
		1169	{
		1170	wchar_t *str;
		1171
		1172	if (!text->encoding_is_wchar && text->string.multi_byte)
		1173	{
		1174	// of course, X makes it ugly again
		1175	if (term->rs[Rs_imLocale])
		1176	SET_LOCALE (term->rs[Rs_imLocale]);
		1177
		1178	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1179	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1180
		1181	if (term->rs[Rs_imLocale])
		1182	SET_LOCALE (term->locale);
		1183	}
		1184	else
		1185	str = text->string.wide_char;
		1186
		1187	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1188	DT_INT, call_data->caret,
		1189	DT_INT, call_data->chg_first,
		1190	DT_INT, call_data->chg_length,
		1191	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1192	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1193	DT_END));
		1194	}
		1195	else
		1196	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1197	DT_INT, call_data->caret,
		1198	DT_INT, call_data->chg_first,
		1199	DT_INT, call_data->chg_length,
		1200	DT_END));
		1201	}
		1202
		1203	#if 0
		1204	static void
		1205	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1206	{
		1207	((rxvt_term *)client_data)->make_current ();
		1208	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1209	DT_INT, call_data->position,
		1210	DT_INT, call_data->direction,
		1211	DT_INT, call_data->style,
		1212	DT_END));
		1213	}
		1214	#endif
		1215
		1216	#endif
1177		1217
1178	/*	1218	/*
1179	* Try to open a XIM with the current modifiers, then see if we can	1219	* Try to open a XIM with the current modifiers, then see if we can
1180	* open a suitable preedit type	1220	* open a suitable preedit type
1181	*/	1221	*/
1182	bool	1222	bool
1183	rxvt_term::IM_get_IC (const char *modifiers)	1223	rxvt_term::IM_get_IC (const char *modifiers)
1184	{	1224	{
1185	int i, j, found;	1225	int i, j, found;
1186	XIM xim;	1226	XIM xim;
1187	XPoint spot;	1227	XPoint spot;
1188	XRectangle rect, status_rect, needed_rect;	1228	XRectangle rect, status_rect, needed_rect;
1189	unsigned long fg, bg;	1229	unsigned long fg, bg;
1190	const char *p;	1230	const char *p;
1191	char **s;	1231	char **s;
1192	XIMStyles *xim_styles;	1232	XIMStyles *xim_styles;
1193	XVaNestedList preedit_attr, status_attr;	1233	#ifdef ENABLE_XIM_ONTHESPOT
		1234	XIMCallback xcb[4];
		1235	#endif
		1236
		1237	set_environ (envv);
1194		1238
1195	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))	1239	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1196	return false;	1240	return false;
1197		1241
1198	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1199	input_method = display->get_xim (locale, modifiers);	1242	input_method = display->get_xim (locale, modifiers);
1200	if (input_method == NULL)	1243	if (input_method == NULL)
1201	return false;	1244	return false;
1202		1245
1203	xim = input_method->xim;	1246	xim = input_method->xim;
		1247	spot.x = spot.y = -1;
1204		1248
1205	xim_styles = NULL;	1249	xim_styles = NULL;
1206	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1250	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1207	|| !xim_styles || !xim_styles->count_styles)	1251	|| !xim_styles || !xim_styles->count_styles)
1208	{	1252	{
1209	display->put_xim (input_method);	1253	im_destroy ();
1210	return false;	1254	return false;
1211	}	1255	}
1212		1256
1213	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";	1257	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1258
		1259	for (int pi = 0; pi < 2; pi++)
		1260	{
		1261	p = pet[pi];
		1262
		1263	if (!p)
		1264	continue;
		1265
1214	s = rxvt_splitcommastring (p);	1266	s = rxvt_splitcommastring (p);
		1267
1215	for (i = found = 0; !found && s[i]; i++)	1268	for (i = found = 0; !found && s[i]; i++)
1216	{	1269	{
1217	if (!STRCMP (s[i], "OverTheSpot"))	1270	if (!strcmp (s[i], "OverTheSpot"))
1218	input_style = (XIMPreeditPosition | XIMStatusNothing);	1271	input_style = XIMPreeditPosition | XIMStatusNothing;
1219	else if (!STRCMP (s[i], "OffTheSpot"))	1272	else if (!strcmp (s[i], "OffTheSpot"))
1220	input_style = (XIMPreeditArea | XIMStatusArea);	1273	input_style = XIMPreeditArea | XIMStatusArea;
1221	else if (!STRCMP (s[i], "Root"))	1274	else if (!strcmp (s[i], "Root"))
1222	input_style = (XIMPreeditNothing | XIMStatusNothing);	1275	input_style = XIMPreeditNothing | XIMStatusNothing;
		1276	else if (!strcmp (s[i], "None"))
		1277	input_style = XIMPreeditNone | XIMStatusNone;
		1278	#ifdef ENABLE_XIM_ONTHESPOT
		1279	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1280	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1281	#endif
		1282	else
		1283	input_style = XIMPreeditNothing | XIMStatusNothing;
1223		1284
1224	for (j = 0; j < xim_styles->count_styles; j++)	1285	for (j = 0; j < xim_styles->count_styles; j++)
1225	if (input_style == xim_styles->supported_styles[j])	1286	if (input_style == xim_styles->supported_styles[j])
1226	{	1287	{
		1288	rxvt_freecommastring (s);
		1289
1227	found = 1;	1290	found = 1;
1228	break;	1291	goto foundpet;
		1292	}
		1293
1229	}	1294	}
1230	}
1231		1295
1232	for (i = 0; s[i]; i++)	1296	rxvt_freecommastring (s);
1233	free (s[i]);	1297	}
1234		1298
1235	free (s);	1299	foundpet:
		1300
1236	XFree (xim_styles);	1301	XFree (xim_styles);
1237		1302
1238	if (!found)	1303	if (!found)
1239	{	1304	{
1240	display->put_xim (input_method);	1305	im_destroy ();
1241	return false;	1306	return false;
1242	}	1307	}
1243		1308
1244	preedit_attr = status_attr = NULL;	1309	XFontSet fs = 0;
		1310	XVaNestedList preedit_attr = 0, status_attr = 0;
		1311
		1312	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1313	{
		1314	// fake us a font-set, please
		1315	char **missing_charset_list;
		1316	int missing_charset_count;
		1317	char *def_string;
		1318	char pat[512];
		1319
		1320	sprintf (pat,
		1321	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1322	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1323	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1324	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1325	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1326	"*",
		1327	fheight,
		1328	fheight + 1, fheight - 1,
		1329	fheight - 2, fheight + 2);
		1330
		1331	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1332	&missing_charset_list, &missing_charset_count, &def_string);
		1333
		1334	if (missing_charset_list)
		1335	XFreeStringList (missing_charset_list);
		1336
		1337	if (!fs)
		1338	{
		1339	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1340	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1341	}
		1342	}
1245		1343
1246	if (input_style & XIMPreeditPosition)	1344	if (input_style & XIMPreeditPosition)
1247	{	1345	{
1248	im_set_size (&rect);	1346	im_set_size (rect);
1249	im_set_position (&spot);	1347	im_set_position (spot);
1250	im_set_color (&fg, &bg);	1348	im_set_color (fg, bg);
1251		1349
1252	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1350	preedit_attr = XVaCreateNestedList (0,
		1351	XNForeground, fg,
		1352	XNBackground, bg,
		1353	XNArea, &rect,
1253	XNSpotLocation, &spot,	1354	XNSpotLocation, &spot,
1254	XNForeground, fg, XNBackground, bg,
1255	//XNFontSet, TermWin.fontset,	1355	XNFontSet, fs,
1256	NULL);	1356	NULL);
1257	}	1357	}
1258	else if (input_style & XIMPreeditArea)	1358	else if (input_style & XIMPreeditArea)
1259	{	1359	{
1260	im_set_color (&fg, &bg);	1360	im_set_color (fg, bg);
1261		1361
1262	/*	1362	/*
1263	* The necessary width of preedit area is unknown	1363	* The necessary width of preedit area is unknown
1264	* until create input context.	1364	* until create input context.
1265	*/	1365	*/
1266	needed_rect.width = 0;	1366	needed_rect.width = 0;
1267
1268	im_set_preedit_area (&rect, &status_rect, &needed_rect);	1367	im_set_preedit_area (rect, status_rect, needed_rect);
1269		1368
1270	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1369	preedit_attr = XVaCreateNestedList (0,
		1370	XNForeground, fg,
1271	XNForeground, fg, XNBackground, bg,	1371	XNBackground, bg,
		1372	XNArea, &rect,
		1373	XNFontSet, fs,
		1374	NULL);
		1375	status_attr = XVaCreateNestedList (0,
		1376	XNForeground, fg,
		1377	XNBackground, bg,
		1378	XNArea, &status_rect,
1272	//XNFontSet, TermWin.fontset,	1379	XNFontSet, fs,
1273	NULL);	1380	NULL);
1274	status_attr = XVaCreateNestedList (0, XNArea, &status_rect,	1381	}
1275	XNForeground, fg, XNBackground, bg,	1382	#if ENABLE_XIM_ONTHESPOT
1276	//XNFontSet, TermWin.fontset,	1383	else if (input_style & XIMPreeditCallbacks)
		1384	{
		1385	im_set_position (spot);
		1386
		1387	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1388	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1389	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1390	# if 0
		1391	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1392	# endif
		1393
		1394	preedit_attr = XVaCreateNestedList (0,
		1395	XNSpotLocation, &spot,
		1396	XNPreeditStartCallback, &xcb[0],
		1397	XNPreeditDoneCallback , &xcb[1],
		1398	XNPreeditDrawCallback , &xcb[2],
		1399	# if 0
		1400	XNPreeditCaretCallback, &xcb[3],
		1401	# endif
1277	NULL);	1402	NULL);
1278	}	1403	}
		1404	#endif
1279		1405
1280	Input_Context = XCreateIC (xim, XNInputStyle, input_style,	1406	Input_Context = XCreateIC (xim,
		1407	XNInputStyle, input_style,
1281	XNClientWindow, TermWin.parent[0],	1408	XNClientWindow, vt,
1282	XNFocusWindow, TermWin.parent[0],	1409	XNFocusWindow, parent[0],
1283	preedit_attr ? XNPreeditAttributes : NULL,	1410	preedit_attr ? XNPreeditAttributes : NULL,
1284	preedit_attr,	1411	preedit_attr,
1285	status_attr ? XNStatusAttributes : NULL,	1412	status_attr ? XNStatusAttributes : NULL,
1286	status_attr, NULL);	1413	status_attr, NULL);
		1414
1287	if (preedit_attr) XFree (preedit_attr);	1415	if (preedit_attr) XFree (preedit_attr);
1288	if (status_attr) XFree (status_attr);	1416	if (status_attr) XFree (status_attr);
		1417	if (fs) XFreeFontSet (dpy, fs);
1289		1418
1290	if (Input_Context == NULL)	1419	if (Input_Context == NULL)
1291	{	1420	{
1292	rxvt_print_error ("failed to create input context");	1421	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1293	display->put_xim (input_method);	1422	im_destroy ();
1294	return false;	1423	return false;
1295	}	1424	}
1296		1425
1297	if (input_style & XIMPreeditArea)	1426	#if 0
		1427	// unfortunately, only the focus window is used by XIM, hard to fix
		1428	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1429	vt_select_input ();
		1430	#endif
		1431
1298	IMSetStatusPosition ();	1432	IMSetPosition ();
1299		1433
1300	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1301	return true;	1434	return true;
1302	}	1435	}
1303		1436
1304	void	1437	void
1305	rxvt_term::im_cb ()	1438	rxvt_term::im_cb ()
1306	{	1439	{
1307	int i, found, had_im;	1440	int i;
1308	const char *p;	1441	const char *p;
1309	char **s;	1442	char **s;
1310	char buf[IMBUFSIZ];	1443	char buf[IMBUFSIZ];
1311		1444
		1445	make_current ();
		1446
1312	im_destroy ();	1447	im_destroy ();
1313		1448
1314	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1315	if (Input_Context)	1449	if (Input_Context)
1316	return;	1450	return;
1317		1451
1318	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1452	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1319	if (rs[Rs_imLocale])	1453	if (rs[Rs_imLocale])
1320	setlocale (LC_CTYPE, rs[Rs_imLocale]);	1454	SET_LOCALE (rs[Rs_imLocale]);
1321	#endif	1455	#endif
1322		1456
1323	p = rs[Rs_inputMethod];	1457	p = rs[Rs_inputMethod];
1324	if (p && *p)	1458	if (p && *p)
1325	{	1459	{
1326	bool found = false;	1460	bool found = false;
1327		1461
1328	s = rxvt_splitcommastring (p);	1462	s = rxvt_splitcommastring (p);
		1463
1329	for (i = 0; s[i]; i++)	1464	for (i = 0; s[i]; i++)
1330	{	1465	{
1331	if (*s[i])	1466	if (*s[i])
1332	{	1467	{
1333	STRCPY (buf, "@im=");	1468	strcpy (buf, "@im=");
1334	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1469	strncat (buf, s[i], IMBUFSIZ - 5);
1335	if (IM_get_IC (buf))	1470	if (IM_get_IC (buf))
1336	{	1471	{
1337	found = true;	1472	found = true;
1338	break;	1473	break;
1339	}	1474	}
1340	}	1475	}
1341	}	1476	}
1342	for (i = 0; s[i]; i++)	1477
1343	free (s[i]);	1478	rxvt_freecommastring (s);
1344	free (s);
1345		1479
1346	if (found)	1480	if (found)
1347	goto done;	1481	goto done;
1348	}	1482	}
1349		1483
…		…
1356	goto done;	1490	goto done;
1357		1491
1358	done:	1492	done:
1359	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1493	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1360	if (rs[Rs_imLocale])	1494	if (rs[Rs_imLocale])
1361	setlocale (LC_CTYPE, locale);	1495	SET_LOCALE (locale);
1362	#endif	1496	#endif
1363	}	1497	}
1364		1498
1365	void	1499	void
1366	rxvt_term::IMSetStatusPosition ()	1500	rxvt_term::IMSetPosition ()
1367	{	1501	{
1368	XRectangle preedit_rect, status_rect, *needed_rect;	1502	XRectangle preedit_rect, status_rect, *needed_rect;
1369	XVaNestedList preedit_attr, status_attr;	1503	XVaNestedList preedit_attr, status_attr;
1370		1504
1371	if (Input_Context == NULL	1505	if (!Input_Context
1372	|| !TermWin.focus || ! (input_style & XIMPreeditArea)	1506	|| !focus
		1507	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1373	|| !IMisRunning ())	1508	|| !IMisRunning ())
1374	return;	1509	return;
1375		1510
		1511	if (input_style & XIMPreeditPosition)
		1512	{
		1513	im_set_size (preedit_rect);
		1514	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1515
		1516	XSetICValues (Input_Context,
		1517	XNPreeditAttributes, preedit_attr, NULL);
		1518	}
		1519	else
		1520	{
1376	/* Getting the necessary width of preedit area */	1521	/* Getting the necessary width of preedit area */
1377	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);	1522	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1378	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);	1523	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1379	XFree (status_attr);	1524	XFree (status_attr);
1380		1525
1381	im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);	1526	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1527	XFree (needed_rect);
1382		1528
1383	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);	1529	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1384	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);	1530	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1385		1531
1386	XSetICValues (Input_Context,	1532	XSetICValues (Input_Context,
1387	XNPreeditAttributes, preedit_attr,	1533	XNPreeditAttributes, preedit_attr,
1388	XNStatusAttributes, status_attr, NULL);	1534	XNStatusAttributes, status_attr,
		1535	NULL);
1389		1536
		1537	XFree (status_attr);
		1538	}
		1539
1390	XFree (preedit_attr);	1540	XFree (preedit_attr);
1391	XFree (status_attr);
1392	}	1541	}
1393	#endif /* USE_XIM */	1542	#endif /* USE_XIM */
1394		1543
1395	/*----------------------------------------------------------------------*/	1544	void
1396	rxvt_t rxvt_current_term;	1545	rxvt_term::get_window_origin (int &x, int &y)
		1546	{
		1547	Window cr;
		1548	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1549	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1550	}
		1551
		1552	Pixmap
		1553	rxvt_term::get_pixmap_property (int prop_id)
		1554	{
		1555	if (prop_id > 0 && prop_id < NUM_XA)
		1556	if (xa[prop_id])
		1557	{
		1558	int aformat;
		1559	unsigned long nitems, bytes_after;
		1560	Atom atype;
		1561	unsigned char *prop = NULL;
		1562	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1563	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1564	&nitems, &bytes_after, &prop);
		1565	if (result == Success && prop && atype == XA_PIXMAP)
		1566	return *(Pixmap *)prop;
		1567	}
		1568
		1569	return None;
		1570	}
		1571
		1572	#ifdef HAVE_BG_PIXMAP
		1573	# if TRACE_PIXMAPS
		1574	# undef update_background
		1575	void
		1576	rxvt_term::trace_update_background (const char *file, int line)
		1577	{
		1578	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1579	update_background ();
		1580	}
		1581	# endif
		1582
		1583	void
		1584	rxvt_term::update_background ()
		1585	{
		1586	if (update_background_ev.is_active ())
		1587	return;
		1588
		1589	bgPixmap.invalidate ();
		1590
		1591	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1592
		1593	if (to_wait <= 0.)
		1594	bgPixmap.render ();
		1595	else
		1596	update_background_ev.start (to_wait);
		1597	}
		1598
		1599	void
		1600	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1601	{
		1602	make_current ();
		1603
		1604	update_background_ev.stop ();
		1605	bgPixmap.render ();
		1606	refresh_check ();
		1607	}
		1608
		1609	#endif /* HAVE_BG_PIXMAP */
1397		1610
1398	/*----------------------- end-of-file (C source) -----------------------*/	1611	/*----------------------- end-of-file (C source) -----------------------*/

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