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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.35 by pcg, Fri Feb 20 23:01:45 2004 UTC vs.
Revision 1.309 by root, Wed Feb 27 01:02:33 2008 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
		184	#ifndef NO_BELL
		185	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
		186	#endif
		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
		233	if (display)
		234	{
		235	selection_clear ();
		236
95	#ifdef USE_XIM	237	#ifdef USE_XIM
96	im_ev (this, &rxvt_term::im_cb),	238	im_destroy ();
97	#endif	239	#endif
98	check_ev (this, &rxvt_term::check_cb),	240	scrollBar.destroy ();
99	destroy_ev (this, &rxvt_term::destroy_cb),	241	if (gc) XFreeGC (dpy, gc);
100	pty_ev (this, &rxvt_term::pty_cb),
101	incr_ev (this, &rxvt_term::incr_cb)
102	{
103	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
104	}
105		242
106	rxvt_term::~rxvt_term ()	243	delete drawable;
107	{	244	// destroy all windows
108	if (cmd_fd >= 0)
109	close (cmd_fd);
110
111	#ifndef NO_SETOWNER_TTYDEV
112	privileged_ttydev (RESTORE);
113	#endif
114	#ifdef UTMP_SUPPORT
115	privileged_utmp (RESTORE);
116	#endif
117
118	delete TermWin.fontset;
119
120	if (display)
121	if (TermWin.parent[0])	245	if (parent[0])
122	XDestroyWindow (display->display, TermWin.parent[0]);	246	XDestroyWindow (dpy, parent[0]);
123		247
124	// TODO: free pixcolours, colours should become part of rxvt_display	248	for (int i = 0; i < TOTAL_COLORS; i++)
		249	if (ISSET_PIXCOLOR (i))
		250	{
		251	pix_colors_focused [i].free (this);
		252	#if OFF_FOCUS_FADING
		253	pix_colors_unfocused [i].free (this);
		254	#endif
		255	}
125		256
126	delete PixColors;	257	clear ();
127		258
		259	display->flush (); /* ideally .put should do this */
128	displays.put (display);	260	displays.put (display);
		261	}
129		262
130	scr_release ();	263	scr_release ();
131		264
132	free (env_windowid);	265	/* clear all resources */
		266	for (int i = 0; i < allocated.size (); i++)
		267	free (allocated [i]);
		268
		269	free (selection.text);
		270	// TODO: manage env vars in child only(!)
133	free (env_display);	271	free (env_display);
134	free (env_term);	272	free (env_term);
135	free (env_colorfgbg);
136	free (locale);	273	free (locale);
137	free (codeset);	274	free (v_buffer);
		275	free (incr_buf);
138		276
139	delete envv;	277	delete envv;
140	delete argv;	278	delete argv;
		279
		280	#ifdef KEYSYM_RESOURCE
		281	delete keyboard;
		282	#endif
		283	#ifndef NO_RESOURCES
		284	XrmDestroyDatabase (option_db);
		285	#endif
		286	}
		287
		288	// child has exited, usually destroys
		289	void
		290	rxvt_term::child_cb (ev::child &w, int status)
		291	{
		292	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		293
		294	cmd_pid = 0;
		295
		296	if (!option (Opt_hold))
		297	destroy ();
141	}	298	}
142		299
143	void	300	void
144	rxvt_term::destroy ()	301	rxvt_term::destroy ()
145	{	302	{
		303	if (destroy_ev.is_active ())
		304	return;
		305
		306	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		307
		308	#if ENABLE_OVERLAY
		309	scr_overlay_off ();
		310	#endif
		311
146	if (display)	312	if (display)
147	{	313	{
		314	#if USE_XIM
		315	im_ev.stop (display);
		316	#endif
		317	scrollbar_ev.stop (display);
		318	#if ENABLE_TRANSPARENCY || ENABLE_PERL
148	rootwin_ev.stop (display);	319	rootwin_ev.stop (display);
		320	#endif
		321	incr_ev.stop ();
149	termwin_ev.stop (display);	322	termwin_ev.stop (display);
150	vt_ev.stop (display);	323	vt_ev.stop (display);
151	#ifdef USE_XIM
152	im_destroy ();
153	im_ev.stop (display);
154	#endif
155	#ifdef HAVE_SCROLLBARS
156	scrollbar_ev.stop (display);
157	#endif
158	#ifdef MENUBAR
159	menubar_ev.stop (display);
160	#endif
161	}	324	}
162		325
163	check_ev.stop ();	326	flush_ev.stop ();
164	pty_ev.stop ();	327	pty_ev.stop ();
165	#ifdef CURSOR_BLINK	328	#ifdef CURSOR_BLINK
166	cursor_blink_ev.stop ();	329	cursor_blink_ev.stop ();
167	#endif	330	#endif
168	#ifdef TEXT_BLINK	331	#ifdef TEXT_BLINK
169	text_blink_ev.stop ();	332	text_blink_ev.stop ();
170	#endif	333	#endif
		334	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		335	cont_scroll_ev.stop ();
		336	#endif
		337	#ifdef SELECTION_SCROLLING
		338	sel_scroll_ev.stop ();
		339	#endif
171	#ifdef POINTER_BLANK	340	#ifdef POINTER_BLANK
172	pointer_ev.stop ();	341	pointer_ev.stop ();
173	#endif	342	#endif
174		343
175	destroy_ev.start (0);	344	destroy_ev.start ();
176	}	345	}
177		346
178	void	347	void
179	rxvt_term::destroy_cb (time_watcher &w)	348	rxvt_term::destroy_cb (ev::idle &w, int revents)
180	{	349	{
181	SET_R (this);	350	make_current ();
182		351
183	delete this;	352	delete this;
184	}
185
186	/*----------------------------------------------------------------------*/
187	/* rxvt_init () */
188	/* LIBPROTO */
189	rxvt_t
190	rxvt_init (int argc, const char *const *argv)
191	{
192	SET_R (new rxvt_term);
193
194	if (!GET_R->init_vars () || !GET_R->init (argc, argv))
195	{
196	delete GET_R;
197	SET_R (0);
198	}
199
200	return GET_R;
201	}
202
203	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
204
205	void
206	rxvt_init_signals ()
207	{
208	/* install exit handler for cleanup */
209	#if 0
210	#ifdef HAVE_ATEXIT
211	atexit (rxvt_clean_exit);
212	#else
213	#endif
214	#endif
215
216	struct sigaction sa;
217
218	sigfillset (&sa.sa_mask);
219	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
220	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
221	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
222	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
223	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
224	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
225	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
226
227	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
228	/* signal (SIGURG, SIG_DFL); */
229
230	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
231	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
232	}
233
234	bool
235	rxvt_term::init (int argc, const char *const *argv)
236	{
237	/*
238	* Save and then give up any super-user privileges
239	* If we need privileges in any area then we must specifically request it.
240	* We should only need to be root in these cases:
241	* 1. write utmp entries on some systems
242	* 2. chown tty on some systems
243	*/
244	privileges (SAVE);
245	privileges (IGNORE);
246
247	init_secondary ();
248
249	const char **cmd_argv = init_resources (argc, argv);
250
251	set_locale ("");
252
253	#if (MENUBAR_MAX)
254	menubar_read (rs[Rs_menu]);
255	#endif
256	#ifdef HAVE_SCROLLBARS
257	if (Options & Opt_scrollBar)
258	scrollBar.setIdle (); /* set existence for size calculations */
259	#endif
260
261	create_windows (argc, argv);
262
263	init_xlocale ();
264
265	scr_reset (); /* initialize screen */
266	#ifdef RXVT_GRAPHICS
267	Gr_reset (); /* reset graphics */
268	#endif
269
270	#if 1
271	XSynchronize (display->display, True);
272	#endif
273
274	#ifdef HAVE_SCROLLBARS
275	if (Options & Opt_scrollBar)
276	resize_scrollbar (); /* create and map scrollbar */
277	#endif
278	#if (MENUBAR_MAX)
279	if (menubar_visible (r))
280	XMapWindow (display->display, menuBar.win);
281	#endif
282	#ifdef TRANSPARENT
283	if (Options & Opt_transparent)
284	{
285	XSelectInput (display->display, display->root, PropertyChangeMask);
286	check_our_parents ();
287	}
288	#endif
289
290	rootwin_ev.start (display, display->root);
291
292	XMapWindow (display->display, TermWin.vt);
293	XMapWindow (display->display, TermWin.parent[0]);
294
295	init_command (cmd_argv);
296
297	pty_ev.start (cmd_fd, EVENT_READ);
298
299	check_ev.start ();
300
301	return true;
302	}
303
304	/* ------------------------------------------------------------------------- *
305	* SIGNAL HANDLING & EXIT HANDLER *
306	* ------------------------------------------------------------------------- */
307	/*
308	* Catch a SIGCHLD signal and exit if the direct child has died
309	*/
310	/* ARGSUSED */
311	/* EXTPROTO */
312	RETSIGTYPE
313	rxvt_Child_signal (int sig __attribute__ ((unused)))
314	{
315	int pid, save_errno = errno;
316	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
317	;
318	errno = save_errno;
319
320	#if 0
321	if (pid == cmd_pid)
322	exit (EXIT_SUCCESS);
323	#endif
324	}
325
326	/*
327	* Catch a fatal signal and tidy up before quitting
328	*/
329	/* EXTPROTO */
330	RETSIGTYPE
331	rxvt_Exit_signal (int sig)
332	{
333	signal (sig, SIG_DFL);
334	#ifdef DEBUG_CMD
335	rxvt_print_error ("signal %d", sig);
336	#endif
337	rxvt_clean_exit ();
338	kill (getpid (), sig);
339	}
340
341	/* INTPROTO */
342	int
343	rxvt_xerror_handler (Display *display, XErrorEvent *event)
344	{
345	if (GET_R->allowedxerror == -1)
346	GET_R->allowedxerror = event->error_code;
347	else
348	{
349	old_xerror_handler (display, event);
350	GET_R->destroy ();
351	}
352
353	return 0;
354	}	353	}
355		354
356	/*----------------------------------------------------------------------*/	355	/*----------------------------------------------------------------------*/
357	/*	356	/*
358	* Exit gracefully, clearing the utmp entry and restoring tty attributes	357	* Exit gracefully, clearing the utmp entry and restoring tty attributes
359	* TODO: if debugging, this should free up any known resources if we can	358	* TODO: if debugging, this should free up any known resources if we can
360	*/	359	*/
361	/* EXTPROTO */	360	static XErrorHandler old_xerror_handler;
362	void
363	rxvt_clean_exit ()
364	{
365	// TODO: rxvtd should clean up all ressources
366	if (GET_R)
367	GET_R->destroy ();
368	}
369		361
370	/* ------------------------------------------------------------------------- *	362	static void
371	* MEMORY ALLOCATION WRAPPERS *	363	rxvt_emergency_cleanup ()
372	* ------------------------------------------------------------------------- */
373	/* EXTPROTO */
374	void *
375	rxvt_malloc (size_t size)
376	{	364	{
377	void *p;	365	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
378		366	(*t)->emergency_cleanup ();
379	p = malloc (size);
380	if (p)
381	return p;
382
383	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
384	rxvt_clean_exit ();
385	exit (EXIT_FAILURE);
386	/* NOTREACHED */
387	}	367	}
388		368
389	/* EXTPROTO */	369	#if !ENABLE_MINIMAL
390	void *	370	static void
391	rxvt_calloc (size_t number, size_t size)	371	print_x_error (Display *dpy, XErrorEvent *event)
392	{	372	{
393	void *p;	373	char buffer[BUFSIZ];
394		374	char mesg[BUFSIZ];
395	p = calloc (number, size);	375	char number[32];
396	if (p)	376	char *mtype = "XlibMessage";
397	return p;	377	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
398		378	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
399	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");	379	rxvt_warn ("An X Error occured, trying to continue after report.\n");
400	rxvt_clean_exit ();	380	rxvt_warn ("%s: %s\n", mesg, buffer);
401	exit (EXIT_FAILURE);	381	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
402	/* NOTREACHED */	382	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		383	sprintf(number, "%d", event->request_code);
		384	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		385	rxvt_warn ("(which is %s)\n", buffer);
		386	if (event->request_code >= 128) {
		387	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		388	mesg, BUFSIZ);
		389	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		390	}
		391	if ((event->error_code == BadWindow) ||
		392	(event->error_code == BadPixmap) ||
		393	(event->error_code == BadCursor) ||
		394	(event->error_code == BadFont) ||
		395	(event->error_code == BadDrawable) ||
		396	(event->error_code == BadColor) ||
		397	(event->error_code == BadGC) ||
		398	(event->error_code == BadIDChoice) ||
		399	(event->error_code == BadValue) ||
		400	(event->error_code == BadAtom)) {
		401	if (event->error_code == BadValue)
		402	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		403	mesg, BUFSIZ);
		404	else if (event->error_code == BadAtom)
		405	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		406	mesg, BUFSIZ);
		407	else
		408	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		409	mesg, BUFSIZ);
		410	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		411	}
		412	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		413	mesg, BUFSIZ);
		414	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
403	}	415	}
		416	#endif
404		417
405	/* EXTPROTO */	418	int
406	void *	419	rxvt_xerror_handler (Display *display, XErrorEvent *event)
407	rxvt_realloc (void *ptr, size_t size)
408	{	420	{
409	void *p;	421	if (GET_R->allowedxerror == -1)
410		422	GET_R->allowedxerror = event->error_code;
411	if (ptr)
412	p = realloc (ptr, size);
413	else	423	else
414	p = malloc (size);	424	{
415	if (p)	425	// GET_R is most likely not the terminal which caused the error,
		426	// so just output the error and continue
		427	#if ENABLE_MINIMAL
		428	old_xerror_handler (display, event);
		429	#else
		430	print_x_error (display, event);
		431	#endif
		432	}
		433
416	return p;	434	return 0;
		435	}
417		436
418	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");	437	int
419	rxvt_clean_exit ();	438	rxvt_xioerror_handler (Display *display)
		439	{
		440	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		441	DisplayString (display));
		442	rxvt_emergency_cleanup ();
420	exit (EXIT_FAILURE);	443	_exit (EXIT_FAILURE);
421	/* NOTREACHED */
422	}	444	}
423		445
424	/* ------------------------------------------------------------------------- *	446	static struct sig_handlers
425	* PRIVILEGED OPERATIONS *
426	* ------------------------------------------------------------------------- */
427	/* take care of suid/sgid super-user (root) privileges */
428	void
429	rxvt_term::privileges (int mode)
430	{	447	{
431	#if ! defined(__CYGWIN32__)	448	ev::sig sw_term, sw_int;
432	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	449
433	/* setreuid () is the poor man's setuid (), seteuid () */	450	/*
434	# define seteuid(a) setreuid(-1, (a))	451	* Catch a fatal signal and tidy up before quitting
435	# define setegid(a) setregid(-1, (a))	452	*/
436	# define HAVE_SETEUID	453	void sig_term (ev::sig &w, int revents);
437	# endif	454
438	# ifdef HAVE_SETEUID	455	sig_handlers ()
439	switch (mode)
440	{	456	{
441	case IGNORE:	457	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
442	/*	458	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
443	* change effective uid/gid - not real uid/gid - so we can switch
444	* back to root later, as required
445	*/
446	seteuid (getuid ());
447	setegid (getgid ());
448	break;
449	case SAVE:
450	euid = geteuid ();
451	egid = getegid ();
452	break;
453	case RESTORE:
454	seteuid (euid);
455	setegid (egid);
456	break;
457	}	459	}
458	# else	460	} sig_handlers;
459	switch (mode)
460	{
461	case IGNORE:
462	setuid (getuid ());
463	setgid (getgid ());
464	/* FALLTHROUGH */
465	case SAVE:
466	/* FALLTHROUGH */
467	case RESTORE:
468	break;
469	}
470	# endif
471	#endif
472	}
473		461
474	#ifdef UTMP_SUPPORT
475	void	462	void
476	rxvt_term::privileged_utmp (char action)	463	sig_handlers::sig_term (ev::sig &w, int revents)
477	{	464	{
478	D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)",	465	rxvt_emergency_cleanup ();
479	action, next_utmp_action, getpid ()));	466	w.stop ();
480	if (next_utmp_action != action || (action != SAVE && action != RESTORE)	467	kill (getpid (), w.signum);
481	|| (Options & Opt_utmpInhibit)
482	|| ttydev == NULL || *ttydev == '\0')
483	return;
484
485	privileges (RESTORE);
486	if (action == SAVE)
487	{
488	next_utmp_action = RESTORE;
489	makeutent (ttydev, rs[Rs_display_name]);
490	}
491	else
492	{ /* action == RESTORE */
493	next_utmp_action = IGNORE;
494	cleanutent ();
495	}
496	privileges (IGNORE);
497	}	468	}
498	#endif
499		469
500	#ifndef NO_SETOWNER_TTYDEV	470	char **rxvt_environ; // startup environment
501	void
502	rxvt_term::privileged_ttydev (char action)
503	{
504	D_MAIN ((stderr,
505	"privileged_ttydev (%c); waiting for: %c (pid: %d)",
506	action, next_tty_action, getpid ()));
507	if (next_tty_action != action || (action != SAVE && action != RESTORE)
508	|| ttydev == NULL || *ttydev == '\0')
509	return;
510		471
511	privileges (RESTORE);	472	void
		473	rxvt_init ()
		474	{
		475	ptytty::init ();
512		476
513	if (action == SAVE)	477	if (!ev_default_loop (0))
514	{	478	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
515	next_tty_action = RESTORE;
516	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
517	/* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */
518	if (lstat (ttydev, &ttyfd_stat) < 0) /* you lose out */
519	next_tty_action = IGNORE;
520	else
521	# endif
522		479
523	{	480	rxvt_environ = environ;
524	chown (ttydev, getuid (), ttygid); /* fail silently */
525	chmod (ttydev, ttymode);
526	# ifdef HAVE_REVOKE
527	revoke (ttydev);
528	# endif
529		481
530	}	482	signal (SIGHUP, SIG_IGN);
531	}	483	signal (SIGPIPE, SIG_IGN);
532	else
533	{ /* action == RESTORE */
534	next_tty_action = IGNORE;
535	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
536	chmod (ttydev, ttyfd_stat.st_mode);
537	chown (ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
538	# else
539	chmod (ttydev,
540	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
541	chown (ttydev, 0, 0);
542	# endif
543		484
544	}	485	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		486	sig_handlers.sw_int.start (SIGINT); ev_unref ();
545		487
546	privileges (IGNORE);	488	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		489	/* signal (SIGURG, SIG_DFL); */
547		490
548	# ifndef RESET_TTY_TO_COMMON_DEFAULTS	491	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
549	D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",	492	// TODO: handle this with exceptions and tolerate the memory loss
550	action == RESTORE ? "Restoring" : (action ==	493	XSetIOErrorHandler (rxvt_xioerror_handler);
551	SAVE ? "Saving" :	494
552	"UNKNOWN ERROR for"), ttydev,	495	XrmInitialize ();
553	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
554	ttyfd_stat.st_gid));
555	# endif
556	}	496	}
557	#endif
558		497
559	/*----------------------------------------------------------------------*/	498	/*----------------------------------------------------------------------*/
560	/*	499	/*
561	* window size/position calculcations for XSizeHint and other storage.	500	* window size/position calculations for XSizeHint and other storage.
562	* if width/height are non-zero then override calculated width/height	501	* if width/height are non-zero then override calculated width/height
563	*/	502	*/
564	void	503	void
565	rxvt_term::window_calc (unsigned int width, unsigned int height)	504	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
566	{	505	{
567	short recalc_x, recalc_y;	506	short recalc_x, recalc_y;
568	int x, y, sb_w, mb_h, flags;	507	int x, y, flags;
569	unsigned int w, h;	508	unsigned int w, h;
570	unsigned int max_width, max_height;	509	unsigned int max_width, max_height;
571		510
572	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
573	TermWin.ncol, TermWin.nrow, szHint.width,
574	szHint.height));
575	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	511	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
576	szHint.win_gravity = NorthWestGravity;	512	szHint.win_gravity = NorthWestGravity;
577	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	513	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
578		514
579	recalc_x = recalc_y = 0;	515	recalc_x = recalc_y = 0;
580	flags = 0;	516	flags = 0;
		517
581	if (!parsed_geometry)	518	if (!parsed_geometry)
582	{	519	{
583	parsed_geometry = 1;	520	parsed_geometry = 1;
		521
584	if (rs[Rs_geometry])	522	if (rs[Rs_geometry])
585	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);	523	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		524
586	if (flags & WidthValue)	525	if (flags & WidthValue)
587	{	526	{
588	TermWin.ncol = BOUND_POSITIVE_INT16 (w);	527	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
589	szHint.flags |= USSize;	528	szHint.flags |= USSize;
590	}	529	}
		530
591	if (flags & HeightValue)	531	if (flags & HeightValue)
592	{	532	{
593	TermWin.nrow = BOUND_POSITIVE_INT16 (h);	533	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
594	szHint.flags |= USSize;	534	szHint.flags |= USSize;
595	}	535	}
		536
596	if (flags & XValue)	537	if (flags & XValue)
597	{	538	{
598	szHint.x = x;	539	szHint.x = x;
599	szHint.flags |= USPosition;	540	szHint.flags |= USPosition;
		541
600	if (flags & XNegative)	542	if (flags & XNegative)
601	{	543	{
602	recalc_x = 1;	544	recalc_x = 1;
603	szHint.win_gravity = NorthEastGravity;	545	szHint.win_gravity = NorthEastGravity;
604	}	546	}
605	}	547	}
		548
606	if (flags & YValue)	549	if (flags & YValue)
607	{	550	{
608	szHint.y = y;	551	szHint.y = y;
609	szHint.flags |= USPosition;	552	szHint.flags |= USPosition;
		553
610	if (flags & YNegative)	554	if (flags & YNegative)
611	{	555	{
612	recalc_y = 1;	556	recalc_y = 1;
		557
613	if (szHint.win_gravity == NorthEastGravity)	558	if (szHint.win_gravity == NorthEastGravity)
614	szHint.win_gravity = SouthEastGravity;	559	szHint.win_gravity = SouthEastGravity;
615	else	560	else
616	szHint.win_gravity = SouthWestGravity;	561	szHint.win_gravity = SouthWestGravity;
617	}	562	}
618	}	563	}
		564
		565	if (!szHint.width || !szHint.height)
		566	rxvt_fatal ("window width or height must not be zero, aborting.\n");
619	}	567	}
		568
620	/* TODO: BOUNDS */	569	/* TODO: BOUNDS */
621	TermWin.width = TermWin.ncol * TermWin.fwidth;	570	width = ncol * fwidth;
622	TermWin.height = TermWin.nrow * TermWin.fheight;	571	height = nrow * fheight;
623	max_width = MAX_COLS * TermWin.fwidth;	572	max_width = MAX_COLS * fwidth;
624	max_height = MAX_ROWS * TermWin.fheight;	573	max_height = MAX_ROWS * fheight;
625		574
626	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	575	szHint.base_width = szHint.base_height = 2 * int_bwidth;
627		576
628	sb_w = mb_h = 0;
629	window_vt_x = window_vt_y = 0;	577	window_vt_x = window_vt_y = int_bwidth;
630	if (scrollbar_visible ())	578
		579	if (scrollBar.state)
631	{	580	{
632	sb_w = scrollbar_TotalWidth ();	581	int sb_w = scrollBar.total_width ();
633	szHint.base_width += sb_w;	582	szHint.base_width += sb_w;
		583
634	if (! (Options & Opt_scrollBar_right))	584	if (!option (Opt_scrollBar_right))
635	window_vt_x = sb_w;	585	window_vt_x += sb_w;
636	}
637	if (menubar_visible ())
638	{	586	}
639	mb_h = menuBar_TotalHeight ();	587
640	szHint.base_height += mb_h;
641	window_vt_y = mb_h;
642	}
643	szHint.width_inc = TermWin.fwidth;	588	szHint.width_inc = fwidth;
644	szHint.height_inc = TermWin.fheight;	589	szHint.height_inc = fheight;
645	szHint.min_width = szHint.base_width + szHint.width_inc;	590	szHint.min_width = szHint.base_width + szHint.width_inc;
646	szHint.min_height = szHint.base_height + szHint.height_inc;	591	szHint.min_height = szHint.base_height + szHint.height_inc;
647		592
648	if (width && width - szHint.base_width < max_width)	593	if (newwidth && newwidth - szHint.base_width < max_width)
649	{	594	{
650	szHint.width = width;	595	szHint.width = newwidth;
651	TermWin.width = width - szHint.base_width;	596	width = newwidth - szHint.base_width;
652	}	597	}
653	else	598	else
654	{	599	{
655	MIN_IT (TermWin.width, max_width);	600	min_it (width, max_width);
656	szHint.width = szHint.base_width + TermWin.width;	601	szHint.width = szHint.base_width + width;
657	}	602	}
		603
658	if (height && height - szHint.base_height < max_height)	604	if (newheight && newheight - szHint.base_height < max_height)
659	{	605	{
660	szHint.height = height;	606	szHint.height = newheight;
661	TermWin.height = height - szHint.base_height;	607	height = newheight - szHint.base_height;
662	}	608	}
663	else	609	else
664	{	610	{
665	MIN_IT (TermWin.height, max_height);	611	min_it (height, max_height);
666	szHint.height = szHint.base_height + TermWin.height;	612	szHint.height = szHint.base_height + height;
667	}	613	}
668	if (scrollbar_visible () && (Options & Opt_scrollBar_right))
669	window_sb_x = szHint.width - sb_w;
670		614
671	if (recalc_x)	615	if (recalc_x)
672	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	616	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
673	- szHint.width - 2 * TermWin.ext_bwidth);	617
674	if (recalc_y)	618	if (recalc_y)
675	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	619	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
676	- szHint.height - 2 * TermWin.ext_bwidth);
677		620
678	TermWin.ncol = TermWin.width / TermWin.fwidth;	621	ncol = width / fwidth;
679	TermWin.nrow = TermWin.height / TermWin.fheight;	622	nrow = height / fheight;
680	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
681	TermWin.ncol, TermWin.nrow, szHint.width,
682	szHint.height));
683	return;
684	}	623	}
685		624
686	/*----------------------------------------------------------------------*/	625	/*----------------------------------------------------------------------*/
687	/*	626	/*
688	* Tell the teletype handler what size the window is.	627	* Tell the teletype handler what size the window is.
689	* Called after a window size change.	628	* Called after a window size change.
690	*/	629	*/
691	void	630	void
692	rxvt_term::tt_winch ()	631	rxvt_term::tt_winch ()
693	{	632	{
		633	if (pty->pty < 0)
		634	return;
		635
694	struct winsize ws;	636	struct winsize ws;
695		637
696	if (cmd_fd < 0)
697	return;
698
699	ws.ws_col = TermWin.ncol;	638	ws.ws_col = ncol;
700	ws.ws_row = TermWin.nrow;	639	ws.ws_row = nrow;
701	ws.ws_xpixel = ws.ws_ypixel = 0;	640	ws.ws_xpixel = width;
702	#ifndef DEBUG_SIZE	641	ws.ws_ypixel = height;
703	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	642	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
704	#else	643
705	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	644	#if 0
706	D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	645	// TIOCSWINSZ is supposed to do this automatically and correctly
707	# ifdef SIGWINCH
708	else if (cmd_pid) /* force through to the command */	646	if (cmd_pid) /* force through to the command */
709	kill (cmd_pid, SIGWINCH);	647	kill (-cmd_pid, SIGWINCH);
710	# endif
711	#endif	648	#endif
712	}	649	}
713		650
714	/*----------------------------------------------------------------------*/	651	/*----------------------------------------------------------------------*/
715	/* rxvt_change_font () - Switch to a new font */	652	/* set_fonts () - load and set the various fonts
716	/*	653	*
717	* init = 1 - initialize	654	* init = 1 - initialize
718	*	655	*
719	* fontname == FONT_UP - switch to bigger font	656	* fontname == FONT_UP - switch to bigger font
720	* fontname == FONT_DN - switch to smaller font	657	* fontname == FONT_DN - switch to smaller font
721	*/	658	*/
722	void	659	bool
723	rxvt_term::change_font (int init, const char *fontname)	660	rxvt_term::set_fonts ()
724	{}	661	{
		662	rxvt_fontset *fs = new rxvt_fontset (this);
		663	rxvt_fontprop prop;
725		664
		665	if (!fs
		666	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		667	|| !fs->realize_font (1))
		668	{
		669	delete fs;
		670	return false;
		671	}
		672
		673	#if ENABLE_STYLES
		674	for (int i = RS_styleCount; --i; )
		675	if (fontset[i] != fontset[0])
		676	delete fontset[i];
		677	#endif
		678
		679	delete fontset[0];
		680	fontset[0] = fs;
		681
		682	prop = (*fs)[1]->properties ();
		683	prop.height += lineSpace;
		684
		685	fs->set_prop (prop, false);
		686
		687	fwidth = prop.width;
		688	fheight = prop.height;
		689	fbase = prop.ascent;
		690
		691	for (int style = 1; style < 4; style++)
		692	{
		693	#if ENABLE_STYLES
		694	const char *res = rs[Rs_font + style];
		695
		696	if (res && !*res)
		697	fontset[style] = fontset[0];
		698	else
		699	{
		700	fontset[style] = fs = new rxvt_fontset (this);
		701	rxvt_fontprop prop2 = prop;
		702
		703	if (res)
		704	{
		705	fs->populate (res);
		706	fs->set_prop (prop2, false);
		707	}
		708	else
		709	{
		710	fs->populate (fontset[0]->fontdesc);
		711
		712	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		713	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		714
		715	fs->set_prop (prop2, true);
		716	}
		717
		718	}
		719	#else
		720	fontset[style] = fontset[0];
		721	#endif
		722	}
		723
		724	if (parent[0])
		725	{
		726	resize_all_windows (0, 0, 0);
		727	scr_remap_chars ();
		728	scr_touch (true);
		729	}
		730
		731	return true;
		732	}
		733
726	void	734	void
727	rxvt_term::font_up_down (int n, int direction)	735	rxvt_term::set_string_property (Atom prop, const char *str, int len)
728	{}	736	{
		737	XChangeProperty (dpy, parent[0],
		738	prop, XA_STRING, 8, PropModeReplace,
		739	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		740	}
		741
		742	void
		743	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		744	{
		745	wchar_t *ws = rxvt_mbstowcs (str, len);
		746	char *s = rxvt_wcstoutf8 (ws);
		747
		748	XChangeProperty (dpy, parent[0],
		749	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		750	(const unsigned char *)s, strlen (s));
		751
		752	free (s);
		753	free (ws);
		754	}
729		755
730	/*----------------------------------------------------------------------*/	756	/*----------------------------------------------------------------------*/
731	/*----------------------------------------------------------------------*/	757	/*----------------------------------------------------------------------*/
732	/* xterm sequences - title, iconName, color (exptl) */	758	/* xterm sequences - title, iconName, color (exptl) */
733	void	759	void
734	rxvt_term::set_title (const char *str)	760	rxvt_term::set_title (const char *str)
735	{	761	{
736	#ifndef SMART_WINDOW_TITLE	762	set_string_property (XA_WM_NAME, str);
737	XStoreName (display->display, TermWin.parent[0], str);	763	#if ENABLE_EWMH
738	#else	764	set_utf8_property (xa[XA_NET_WM_NAME], str);
739	char *name;
740
741	if (XFetchName (display->display, TermWin.parent[0], &name) == 0)
742	name = NULL;
743	if (name == NULL || STRCMP (name, str))
744	XStoreName (display->display, TermWin.parent[0], str);
745	if (name)
746	XFree (name);
747	#endif	765	#endif
748	}	766	}
749		767
750	void	768	void
751	rxvt_term::set_iconName (const char *str)	769	rxvt_term::set_icon_name (const char *str)
752	{	770	{
753	#ifndef SMART_WINDOW_TITLE	771	set_string_property (XA_WM_ICON_NAME, str);
754	XSetIconName (display->display, TermWin.parent[0], str);	772	#if ENABLE_EWMH
755	#else	773	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
756	char *name;
757
758	if (XGetIconName (display->display, TermWin.parent[0], &name))
759	name = NULL;
760	if (name == NULL || STRCMP (name, str))
761	XSetIconName (display->display, TermWin.parent[0], str);
762	if (name)
763	XFree (name);
764	#endif	774	#endif
765	}	775	}
766		776
		777	void
		778	rxvt_term::set_window_color (int idx, const char *color)
		779	{
767	#ifdef XTERM_COLOR_CHANGE	780	#ifdef XTERM_COLOR_CHANGE
768	void
769	rxvt_term::set_window_color (int idx, const char *color)
770	{
771	rxvt_color xcol;	781	rxvt_color xcol;
772	int i;
773		782
774	if (color == NULL || *color == '\0')	783	if (color == NULL || *color == '\0')
775	return;	784	return;
776		785
		786	color = strdup (color);
		787	allocated.push_back ((void *)color);
		788	rs[Rs_color + idx] = color;
		789
777	/* handle color aliases */	790	/* handle color aliases */
778	if (isdigit (*color))	791	if (isdigit (*color))
779	{	792	{
780	i = atoi (color);	793	int i = atoi (color);
		794
781	if (i >= 8 && i <= 15)	795	if (i >= 8 && i <= 15)
		796	{
782	{ /* bright colors */	797	/* bright colors */
783	i -= 8;
784	# ifndef NO_BRIGHTCOLOR
785	PixColors[idx] = PixColors[minBrightCOLOR + i];	798	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
786	SET_PIXCOLOR (idx);
787	goto Done;	799	goto done;
788	# endif
789
790	}	800	}
		801
791	if (i >= 0 && i <= 7)	802	if (i >= 0 && i <= 7)
		803	{
792	{ /* normal colors */	804	/* normal colors */
793	PixColors[idx] = PixColors[minCOLOR + i];	805	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
794	SET_PIXCOLOR (idx);
795	goto Done;	806	goto done;
796	}	807	}
797	}	808	}
798	if (!rXParseAllocColor (& xcol, color))	809
799	return;	810	set_color (xcol, color);
800	/* XStoreColor (display->display, XCMAP, XColor*); */
801		811
802	/*	812	/*
803	* FIXME: should free colors here, but no idea how to do it so instead,	813	* FIXME: should free colors here, but no idea how to do it so instead,
804	* so just keep gobbling up the colormap	814	* so just keep gobbling up the colormap
805	*/	815	*/
806	# if 0
807	for (i = Color_Black; i <= Color_White; i++)
808	if (PixColors[idx] == PixColors[i])
809	break;
810	if (i > Color_White)
811	{
812	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
813	XFreeColors (display->display, XCMAP, (PixColors + idx), 1,
814	DisplayPlanes (display->display, display->screen));
815	}
816	# endif
817		816
818	PixColors[idx] = xcol;	817	pix_colors_focused[idx] = xcol;
819	SET_PIXCOLOR (idx);
820		818
821	/* XSetWindowAttributes attr; */
822	/* Cursor cursor; */
823	Done:	819	done:
824	if (idx == Color_bg && ! (Options & Opt_transparent))
825	XSetWindowBackground (display->display, TermWin.vt,
826	PixColors[Color_bg]);
827
828	/* handle Color_BD, scrollbar background, etc. */	820	/*TODO: handle Color_BD, scrollbar background, etc. */
829		821
830	set_colorfgbg ();	822	update_fade_color (idx);
831	recolour_cursor ();	823	recolour_cursor ();
832	/* the only reasonable way to enforce a clean update */	824	scr_recolour ();
833	scr_poweron ();	825	#endif /* XTERM_COLOR_CHANGE */
834	}	826	}
835
836	#else
837	# define set_window_color (idx,color) ((void)0)
838	#endif /* XTERM_COLOR_CHANGE */
839		827
840	void	828	void
841	rxvt_term::recolour_cursor ()	829	rxvt_term::recolour_cursor ()
842	{	830	{
843	#if TODO	831	XColor fg, bg;
844	rxvt_color xcol[2];
845		832
846	xcol[0] = PixColors[Color_pointer];	833	(ISSET_PIXCOLOR (Color_pointer_fg)
847	xcol[1] = PixColors[Color_bg];	834	? pix_colors_focused[Color_pointer_fg]
848	XQueryColors (display->display, XCMAP, xcol, 2);	835	: pix_colors_focused[Color_fg]).get (fg);
849	XRecolorCursor (display->display, TermWin_cursor, & (xcol[0]), & (xcol[1]));	836
850	#endif	837	(ISSET_PIXCOLOR (Color_pointer_bg)
		838	? pix_colors_focused[Color_pointer_bg]
		839	: pix_colors_focused[Color_bg]).get (bg);
		840
		841	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
851	}	842	}
852		843
853	/*----------------------------------------------------------------------*/	844	/*----------------------------------------------------------------------*/
854	/*	845	/*
855	* find if fg/bg matches any of the normal (low-intensity) colors	846	* find if fg/bg matches any of the normal (low-intensity) colors
856	*/	847	*/
857	void	848	void
858	rxvt_term::set_colorfgbg ()	849	rxvt_term::set_colorfgbg ()
859	{	850	{
860	unsigned int i;	851	unsigned int i;
861	const char *xpmb = "\0";	852	const char *xpmb = "";
862	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];	853	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
863		854
864	env_colorfgbg =
865	(char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
866	STRCPY (fstr, "default");	855	strcpy (fstr, "default");
867	STRCPY (bstr, "default");	856	strcpy (bstr, "default");
868	for (i = Color_Black; i <= Color_White; i++)	857	for (i = Color_Black; i <= Color_White; i++)
869	if (PixColors[Color_fg] == PixColors[i])	858	if (pix_colors[Color_fg] == pix_colors[i])
870	{	859	{
871	sprintf (fstr, "%d", (i - Color_Black));	860	sprintf (fstr, "%d", (i - Color_Black));
872	break;	861	break;
873	}	862	}
		863
874	for (i = Color_Black; i <= Color_White; i++)	864	for (i = Color_Black; i <= Color_White; i++)
875	if (PixColors[Color_bg] == PixColors[i])	865	if (pix_colors[Color_bg] == pix_colors[i])
876	{	866	{
877	sprintf (bstr, "%d", (i - Color_Black));	867	sprintf (bstr, "%d", (i - Color_Black));
878	#ifdef XPM_BACKGROUND	868	#ifdef BG_IMAGE_FROM_FILE
879	xpmb = "default;";	869	xpmb = "default;";
880	#endif	870	#endif
881	break;	871	break;
882	}	872	}
883		873
884	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	874	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
885
886	#ifndef NO_BRIGHTCOLOR
887	colorfgbg = DEFAULT_RSTYLE;
888	for (i = minCOLOR; i <= maxCOLOR; i++)
889	{
890	if (PixColors[Color_fg] == PixColors[i])
891	colorfgbg = SET_FGCOLOR (colorfgbg, i);
892	if (PixColors[Color_bg] == PixColors[i])
893	colorfgbg = SET_BGCOLOR (colorfgbg, i);
894	}
895	#endif
896	}	875	}
897		876
898	/*----------------------------------------------------------------------*/	877	/*----------------------------------------------------------------------*/
899	/*
900	* Colour determination for low colour displays, routine from
901	* Hans de Goede <hans@highrise.nl>
902	*/
903		878
904	int	879	bool
905	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	880	rxvt_term::set_color (rxvt_color &color, const char *name)
906	{	881	{
907	if (!screen_in_out->set (display, colour))	882	if (color.set (this, name))
908	{
909	rxvt_print_error ("can't allocate colour: %s", colour);
910	return false;
911	}
912
913	return true;	883	return true;
		884
		885	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		886	return false;
		887	}
		888
		889	void
		890	rxvt_term::alias_color (int dst, int src)
		891	{
		892	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
914	}	893	}
915		894
916	/* -------------------------------------------------------------------- *	895	/* -------------------------------------------------------------------- *
917	* - WINDOW RESIZING - *	896	* - WINDOW RESIZING - *
918	* -------------------------------------------------------------------- */	897	* -------------------------------------------------------------------- */
919	void	898	void
920	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	899	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
921	{	900	{
922	int fix_screen;	901	int fix_screen;
		902	int old_width = szHint.width;
		903	int old_height = szHint.height;
923		904
924	#ifdef SMART_RESIZE
925	int old_width = szHint.width, old_height = szHint.height;
926	#endif
927
928	window_calc (width, height);	905	window_calc (newwidth, newheight);
		906
		907	if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
929	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	908	XSetWMNormalHints (dpy, parent[0], &szHint);
		909
930	if (!ignoreparent)	910	if (!ignoreparent)
931	{	911	{
932	#ifdef SMART_RESIZE	912	#ifdef SMART_RESIZE
933	/*	913	/*
934	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	914	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
937	int x, y, x1, y1;	917	int x, y, x1, y1;
938	int dx, dy;	918	int dx, dy;
939	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	919	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
940	Window unused_cr;	920	Window unused_cr;
941		921
942	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	922	XTranslateCoordinates (dpy, parent[0], display->root,
943	0, 0, &x, &y, &unused_cr);	923	0, 0, &x, &y, &unused_cr);
944	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	924	XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
945	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	925	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
946	/*	926	/*
947	* if display->root isn't the parent window, a WM will probably have offset	927	* if display->root isn't the parent window, a WM will probably have offset
948	* our position for handles and decorations. Counter it	928	* our position for handles and decorations. Counter it
949	*/	929	*/
…		…
951	{	931	{
952	x -= x1;	932	x -= x1;
953	y -= y1;	933	y -= y1;
954	}	934	}
955		935
956	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	936	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
957	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	937	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
958	dx = old_width - szHint.width;	938	dx = old_width - szHint.width;
959	dy = old_height - szHint.height;	939	dy = old_height - szHint.height;
960		940
961	/* Check position of the center of the window */	941	/* Check position of the center of the window */
962	if (x < x1) /* left half */	942	if (x < x1) /* left half */
963	dx = 0;	943	dx = 0;
…		…
966	if (y < y1) /* top half */	946	if (y < y1) /* top half */
967	dy = 0;	947	dy = 0;
968	else if (y == y1) /* exact center */	948	else if (y == y1) /* exact center */
969	dy /= 2;	949	dy /= 2;
970		950
971	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	951	XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
972	szHint.width, szHint.height);	952	szHint.width, szHint.height);
973	#else	953	#else
974	XResizeWindow (display->display, TermWin.parent[0], szHint.width,	954	XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
975	szHint.height);
976	#endif	955	#endif
977
978	}	956	}
979		957
980	fix_screen = (TermWin.ncol != prev_ncol	958	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
981	|| TermWin.nrow != prev_nrow);
982		959
983	if (fix_screen || width != old_width || height != old_height)	960	if (fix_screen || newwidth != old_width || newheight != old_height)
984	{	961	{
985	if (scrollbar_visible ())	962	if (scrollBar.state)
986	{	963	scrollBar.resize ();
987	XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,
988	0, scrollbar_TotalWidth (), szHint.height);
989	resize_scrollbar ();
990	}
991		964
992	if (menubar_visible ())	965	XMoveResizeWindow (dpy, vt,
993	XMoveResizeWindow (display->display, menuBar.win, window_vt_x,	966	window_vt_x, window_vt_y,
994	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
995
996	XMoveResizeWindow (display->display, TermWin.vt, window_vt_x,
997	window_vt_y, TermWin_TotalWidth (),
998	TermWin_TotalHeight ());	967	width, height);
999	#ifdef RXVT_GRAPHICS	968
1000	if (old_height)	969	#ifdef HAVE_BG_PIXMAP
1001	Gr_Resize (old_width - szHint.base_width,	970	if (bgPixmap.window_size_sensitive ())
1002	old_height - szHint.base_height);	971	update_background ();
1003	#endif	972	#endif
		973
1004	scr_clear ();	974	scr_clear ();
1005	#ifdef XPM_BACKGROUND
1006	resize_pixmap ();
1007	#endif
1008
1009	}	975	}
1010		976
1011	if (fix_screen || old_height == 0)	977	if (fix_screen || old_height == 0)
1012	{
1013	int curr_screen = -1;
1014	int old_ncol = prev_ncol;
1015
1016	/* scr_reset only works on the primary screen */
1017	if (old_height) /* this is not the first time through */
1018	{
1019	unsigned int ncol = TermWin.ncol;
1020	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1021	curr_screen = scr_change_screen (PRIMARY);
1022	TermWin.ncol = ncol;
1023	}
1024
1025	scr_reset ();	978	scr_reset ();
1026		979
1027	if (curr_screen >= 0) /* this is not the first time through */	980	// TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
1028	{	981	//scr_touch (false);
1029	scr_change_screen (curr_screen);
1030	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
1031	}
1032	}
1033		982
1034	old_width = szHint.width;	983	#ifdef HAVE_BG_PIXMAP
1035	old_height = szHint.height;	984	// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
		985	// if (bgPixmap.pixmap)
		986	// scr_touch (false);
		987	#endif
1036		988
1037	#ifdef USE_XIM	989	#ifdef USE_XIM
1038	IMSetStatusPosition ();	990	IMSetPosition ();
1039	#endif	991	#endif
1040	}	992	}
1041		993
1042	/*	994	/*
1043	* Set the width/height of the vt window in characters. Units are pixels.	995	* Set the width/height of the vt window in characters. Units are pixels.
1044	* good for toggling 80/132 columns	996	* good for toggling 80/132 columns
1045	*/	997	*/
1046	void	998	void
1047	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	999	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1048	{	1000	{
1049	XWindowAttributes wattr;	1001	XWindowAttributes wattr;
1050		1002
1051	if (width == 0 || height == 0)	1003	if (newwidth == 0 || newheight == 0)
1052	{	1004	{
1053	XGetWindowAttributes (display->display, display->root, &wattr);	1005	XGetWindowAttributes (dpy, display->root, &wattr);
		1006
1054	if (width == 0)	1007	if (newwidth == 0)
1055	width = wattr.width - szHint.base_width;	1008	newwidth = wattr.width - szHint.base_width;
1056	if (height == 0)	1009	if (newheight == 0)
1057	height = wattr.height - szHint.base_height;	1010	newheight = wattr.height - szHint.base_height;
1058	}
1059	if (width != TermWin.width || height != TermWin.height)
1060	{	1011	}
		1012
		1013	if (newwidth != width || newheight != height)
		1014	{
1061	width += szHint.base_width;	1015	newwidth += szHint.base_width;
1062	height += szHint.base_height;	1016	newheight += szHint.base_height;
1063	resize_all_windows (width, height, 0);	1017	resize_all_windows (newwidth, newheight, 0);
1064	}	1018	}
1065	}	1019	}
1066		1020
1067	/* -------------------------------------------------------------------- *	1021	/* -------------------------------------------------------------------- *
1068	* - X INPUT METHOD ROUTINES - *	1022	* - X INPUT METHOD ROUTINES - *
1069	* -------------------------------------------------------------------- */	1023	* -------------------------------------------------------------------- */
1070	#ifdef USE_XIM	1024	#ifdef USE_XIM
1071		1025
1072	void	1026	void
		1027	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
		1028	{
		1029	fg = pix_colors [Color_fg];
		1030	bg = pix_colors [Color_bg];
		1031	}
		1032
		1033	void
1073	rxvt_term::im_set_size (XRectangle *size)	1034	rxvt_term::im_set_size (XRectangle &size)
1074	{	1035	{
1075	size->x = TermWin.int_bwidth;	1036	// the int_bwidth terms make no sense to me
1076	size->y = TermWin.int_bwidth;	1037	size.x = int_bwidth;
1077	size->width = Width2Pixel (TermWin.ncol);	1038	size.y = int_bwidth;
1078	size->height = Height2Pixel (TermWin.nrow);	1039	size.width = Width2Pixel (ncol) + int_bwidth;
		1040	size.height = Height2Pixel (nrow) + int_bwidth;
1079	}	1041	}
1080		1042
1081	void	1043	void
1082	rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)	1044	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1045	XRectangle &status_rect,
		1046	const XRectangle &needed_rect)
1083	{	1047	{
1084	*fg = PixColors[Color_fg];	1048	preedit_rect.x = needed_rect.width;
1085	*bg = PixColors[Color_bg];	1049	preedit_rect.y = 0;
		1050	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1051	preedit_rect.height = fheight;
		1052
		1053	status_rect.x = 0;
		1054	status_rect.y = 0;
		1055	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1056	status_rect.height = fheight;
1086	}	1057	}
1087		1058
1088	/* Checking whether input method is running. */	1059	/* Checking whether input method is running. */
1089	bool	1060	bool
1090	rxvt_term::IMisRunning ()	1061	rxvt_term::IMisRunning ()
1091	{	1062	{
1092	char *p;	1063	char *p;
1093	Atom atom;	1064	Atom atom;
1094	Window win;	1065	Window win;
1095	char server[IMBUFSIZ];	1066	char server[IMBUFSIZ];
1096		1067
1097	/* get current locale modifier */	1068	/* get current locale modifier */
1098	if ((p = XSetLocaleModifiers (NULL)) != NULL)	1069	if ((p = XSetLocaleModifiers (NULL)) != NULL)
1099	{	1070	{
1100	STRCPY (server, "@server=");	1071	strcpy (server, "@server=");
1101	STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1072	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1073
1102	if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */	1074	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1103	*p = '\0';	1075	*p = '\0';
1104		1076
1105	atom = XInternAtom (display->display, server, False);	1077	atom = XInternAtom (dpy, server, False);
1106	win = XGetSelectionOwner (display->display, atom);	1078	win = XGetSelectionOwner (dpy, atom);
		1079
1107	if (win != None)	1080	if (win != None)
1108	return True;	1081	return True;
1109	}	1082	}
		1083
1110	return False;	1084	return False;
1111	}	1085	}
1112		1086
1113	void	1087	void
1114	rxvt_term::IMSendSpot ()	1088	rxvt_term::IMSendSpot ()
1115	{	1089	{
1116	XPoint spot;	1090	XPoint nspot;
1117	XVaNestedList preedit_attr;	1091	XVaNestedList preedit_attr;
1118		1092
1119	if (Input_Context == NULL	1093	if (!Input_Context
1120	|| !TermWin.focus || ! (input_style & XIMPreeditPosition)	1094	|| !focus
1121	|| ! (event_type == KeyPress	1095	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1122	|| event_type == Expose
1123	|| event_type == NoExpose
1124	|| event_type == SelectionNotify
1125	|| event_type == ButtonRelease || event_type == FocusIn)
1126	|| !IMisRunning ())
1127	return;	1096	return;
1128		1097
1129	im_set_position (&spot);	1098	im_set_position (nspot);
		1099
		1100	if (nspot.x == spot.x && nspot.y == spot.y)
		1101	return;
		1102
		1103	spot = nspot;
1130		1104
1131	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);	1105	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1132	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1106	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1133	XFree (preedit_attr);	1107	XFree (preedit_attr);
1134	}	1108	}
1135		1109
1136	void	1110	void
1137	rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,
1138	XRectangle * needed_rect)
1139	{
1140	int mbh, vtx = 0;
1141
1142	if (scrollbar_visible () && ! (Options & Opt_scrollBar_right))
1143	vtx = scrollbar_TotalWidth ();
1144
1145	mbh = menubar_visible () ? menuBar_TotalHeight () : 0;
1146	mbh -= TermWin.lineSpace;
1147
1148	preedit_rect->x = needed_rect->width + vtx;
1149	preedit_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1150
1151	preedit_rect->width = Width2Pixel (TermWin.ncol + 1) - needed_rect->width + vtx;
1152	preedit_rect->height = Height2Pixel (1);
1153
1154	status_rect->x = vtx;
1155	status_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1156
1157	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel (TermWin.ncol + 1);
1158	status_rect->height = Height2Pixel (1);
1159	}
1160
1161	void
1162	rxvt_term::im_destroy ()	1111	rxvt_term::im_destroy ()
1163	{	1112	{
1164	if (Input_Context)
1165	{
1166	XDestroyIC (Input_Context);
1167	Input_Context = NULL;
1168	}
1169
1170	if (input_method)	1113	if (input_method)
1171	{	1114	{
		1115	if (Input_Context && input_method->xim)
		1116	XDestroyIC (Input_Context);
		1117
1172	display->put_xim (input_method);	1118	display->put_xim (input_method);
1173	input_method = 0;	1119	input_method = 0;
1174	}	1120	}
		1121
		1122	Input_Context = 0;
1175	}	1123	}
		1124
		1125	#ifdef ENABLE_XIM_ONTHESPOT
		1126
		1127	static void
		1128	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1129	{
		1130	((rxvt_term *)client_data)->make_current ();
		1131	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1132	}
		1133
		1134	static void
		1135	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1136	{
		1137	((rxvt_term *)client_data)->make_current ();
		1138	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1139	}
		1140
		1141	static void
		1142	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1143	{
		1144	rxvt_term *term = (rxvt_term *)client_data;
		1145	XIMText *text = call_data->text;
		1146
		1147	term->make_current ();
		1148
		1149	if (text)
		1150	{
		1151	void *str;
		1152
		1153	if (!text->encoding_is_wchar && text->string.multi_byte)
		1154	{
		1155	// of course, X makes it ugly again
		1156	if (term->rs[Rs_imLocale])
		1157	SET_LOCALE (term->rs[Rs_imLocale]);
		1158
		1159	str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
		1160	mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
		1161
		1162	if (term->rs[Rs_imLocale])
		1163	SET_LOCALE (term->locale);
		1164	}
		1165	else
		1166	str = (void *)text->string.wide_char;
		1167
		1168	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1169	DT_INT, call_data->caret,
		1170	DT_INT, call_data->chg_first,
		1171	DT_INT, call_data->chg_length,
		1172	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1173	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1174	DT_END));
		1175	}
		1176	else
		1177	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1178	DT_INT, call_data->caret,
		1179	DT_INT, call_data->chg_first,
		1180	DT_INT, call_data->chg_length,
		1181	DT_END));
		1182	}
		1183
		1184	#if 0
		1185	static void
		1186	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1187	{
		1188	((rxvt_term *)client_data)->make_current ();
		1189	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1190	DT_INT, call_data->position,
		1191	DT_INT, call_data->direction,
		1192	DT_INT, call_data->style,
		1193	DT_END));
		1194	}
		1195	#endif
		1196
		1197	#endif
1176		1198
1177	/*	1199	/*
1178	* Try to open a XIM with the current modifiers, then see if we can	1200	* Try to open a XIM with the current modifiers, then see if we can
1179	* open a suitable preedit type	1201	* open a suitable preedit type
1180	*/	1202	*/
1181	bool	1203	bool
1182	rxvt_term::IM_get_IC (const char *modifiers)	1204	rxvt_term::IM_get_IC (const char *modifiers)
1183	{	1205	{
1184	int i, j, found;	1206	int i, j, found;
1185	XIM xim;	1207	XIM xim;
1186	XPoint spot;	1208	XPoint spot;
1187	XRectangle rect, status_rect, needed_rect;	1209	XRectangle rect, status_rect, needed_rect;
1188	unsigned long fg, bg;	1210	unsigned long fg, bg;
1189	const char *p;	1211	const char *p;
1190	char **s;	1212	char **s;
1191	XIMStyles *xim_styles;	1213	XIMStyles *xim_styles;
1192	XVaNestedList preedit_attr, status_attr;	1214	#ifdef ENABLE_XIM_ONTHESPOT
		1215	XIMCallback xcb[4];
		1216	#endif
		1217
		1218	set_environ (envv);
1193		1219
1194	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))	1220	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1195	return false;	1221	return false;
1196		1222
1197	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1198	input_method = display->get_xim (locale, modifiers);	1223	input_method = display->get_xim (locale, modifiers);
1199	if (input_method == NULL)	1224	if (input_method == NULL)
1200	return false;	1225	return false;
1201		1226
1202	xim = input_method->xim;	1227	xim = input_method->xim;
		1228	spot.x = spot.y = -1;
1203		1229
1204	xim_styles = NULL;	1230	xim_styles = NULL;
1205	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1231	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1206	|| !xim_styles || !xim_styles->count_styles)	1232	|| !xim_styles || !xim_styles->count_styles)
1207	{	1233	{
1208	display->put_xim (input_method);	1234	im_destroy ();
1209	return false;	1235	return false;
1210	}	1236	}
1211		1237
1212	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";	1238	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1239
		1240	for (int pi = 0; pi < 2; pi++)
		1241	{
		1242	p = pet[pi];
		1243
		1244	if (!p)
		1245	continue;
		1246
1213	s = rxvt_splitcommastring (p);	1247	s = rxvt_splitcommastring (p);
		1248
1214	for (i = found = 0; !found && s[i]; i++)	1249	for (i = found = 0; !found && s[i]; i++)
1215	{	1250	{
1216	if (!STRCMP (s[i], "OverTheSpot"))	1251	if (!strcmp (s[i], "OverTheSpot"))
1217	input_style = (XIMPreeditPosition | XIMStatusNothing);	1252	input_style = XIMPreeditPosition | XIMStatusNothing;
1218	else if (!STRCMP (s[i], "OffTheSpot"))	1253	else if (!strcmp (s[i], "OffTheSpot"))
1219	input_style = (XIMPreeditArea | XIMStatusArea);	1254	input_style = XIMPreeditArea | XIMStatusArea;
1220	else if (!STRCMP (s[i], "Root"))	1255	else if (!strcmp (s[i], "Root"))
1221	input_style = (XIMPreeditNothing | XIMStatusNothing);	1256	input_style = XIMPreeditNothing | XIMStatusNothing;
		1257	else if (!strcmp (s[i], "None"))
		1258	input_style = XIMPreeditNone | XIMStatusNone;
		1259	#ifdef ENABLE_XIM_ONTHESPOT
		1260	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1261	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1262	#endif
		1263	else
		1264	input_style = XIMPreeditNothing | XIMStatusNothing;
1222		1265
1223	for (j = 0; j < xim_styles->count_styles; j++)	1266	for (j = 0; j < xim_styles->count_styles; j++)
1224	if (input_style == xim_styles->supported_styles[j])	1267	if (input_style == xim_styles->supported_styles[j])
1225	{	1268	{
		1269	rxvt_freecommastring (s);
		1270
1226	found = 1;	1271	found = 1;
1227	break;	1272	goto foundpet;
		1273	}
		1274
1228	}	1275	}
1229	}
1230		1276
1231	for (i = 0; s[i]; i++)	1277	rxvt_freecommastring (s);
1232	free (s[i]);	1278	}
1233		1279
1234	free (s);	1280	foundpet:
		1281
1235	XFree (xim_styles);	1282	XFree (xim_styles);
1236		1283
1237	if (!found)	1284	if (!found)
1238	{	1285	{
1239	display->put_xim (input_method);	1286	im_destroy ();
1240	return false;	1287	return false;
1241	}	1288	}
1242		1289
1243	preedit_attr = status_attr = NULL;	1290	XFontSet fs = 0;
		1291	XVaNestedList preedit_attr = 0, status_attr = 0;
		1292
		1293	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1294	{
		1295	// fake us a font-set, please
		1296	char **missing_charset_list;
		1297	int missing_charset_count;
		1298	char *def_string;
		1299	char pat[512];
		1300
		1301	sprintf (pat,
		1302	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1303	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1304	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1305	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1306	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1307	"*",
		1308	fheight,
		1309	fheight + 1, fheight - 1,
		1310	fheight - 2, fheight + 2);
		1311
		1312	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1313	&missing_charset_list, &missing_charset_count, &def_string);
		1314
		1315	if (missing_charset_list)
		1316	XFreeStringList (missing_charset_list);
		1317
		1318	if (!fs)
		1319	{
		1320	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1321	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1322	}
		1323	}
1244		1324
1245	if (input_style & XIMPreeditPosition)	1325	if (input_style & XIMPreeditPosition)
1246	{	1326	{
1247	im_set_size (&rect);	1327	im_set_size (rect);
1248	im_set_position (&spot);	1328	im_set_position (spot);
1249	im_set_color (&fg, &bg);	1329	im_set_color (fg, bg);
1250		1330
1251	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1331	preedit_attr = XVaCreateNestedList (0,
		1332	XNForeground, fg,
		1333	XNBackground, bg,
		1334	XNArea, &rect,
1252	XNSpotLocation, &spot,	1335	XNSpotLocation, &spot,
1253	XNForeground, fg, XNBackground, bg,
1254	//XNFontSet, TermWin.fontset,	1336	XNFontSet, fs,
1255	NULL);	1337	NULL);
1256	}	1338	}
1257	else if (input_style & XIMPreeditArea)	1339	else if (input_style & XIMPreeditArea)
1258	{	1340	{
1259	im_set_color (&fg, &bg);	1341	im_set_color (fg, bg);
1260		1342
1261	/*	1343	/*
1262	* The necessary width of preedit area is unknown	1344	* The necessary width of preedit area is unknown
1263	* until create input context.	1345	* until create input context.
1264	*/	1346	*/
1265	needed_rect.width = 0;	1347	needed_rect.width = 0;
1266
1267	im_set_preedit_area (&rect, &status_rect, &needed_rect);	1348	im_set_preedit_area (rect, status_rect, needed_rect);
1268		1349
1269	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1350	preedit_attr = XVaCreateNestedList (0,
		1351	XNForeground, fg,
1270	XNForeground, fg, XNBackground, bg,	1352	XNBackground, bg,
		1353	XNArea, &rect,
		1354	XNFontSet, fs,
		1355	NULL);
		1356	status_attr = XVaCreateNestedList (0,
		1357	XNForeground, fg,
		1358	XNBackground, bg,
		1359	XNArea, &status_rect,
1271	//XNFontSet, TermWin.fontset,	1360	XNFontSet, fs,
1272	NULL);	1361	NULL);
1273	status_attr = XVaCreateNestedList (0, XNArea, &status_rect,	1362	}
1274	XNForeground, fg, XNBackground, bg,	1363	#if ENABLE_XIM_ONTHESPOT
1275	//XNFontSet, TermWin.fontset,	1364	else if (input_style & XIMPreeditCallbacks)
		1365	{
		1366	im_set_position (spot);
		1367
		1368	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1369	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1370	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1371	# if 0
		1372	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1373	# endif
		1374
		1375	preedit_attr = XVaCreateNestedList (0,
		1376	XNSpotLocation, &spot,
		1377	XNPreeditStartCallback, &xcb[0],
		1378	XNPreeditDoneCallback , &xcb[1],
		1379	XNPreeditDrawCallback , &xcb[2],
		1380	# if 0
		1381	XNPreeditCaretCallback, &xcb[3],
		1382	# endif
1276	NULL);	1383	NULL);
1277	}	1384	}
		1385	#endif
1278		1386
1279	Input_Context = XCreateIC (xim, XNInputStyle, input_style,	1387	Input_Context = XCreateIC (xim,
		1388	XNInputStyle, input_style,
1280	XNClientWindow, TermWin.parent[0],	1389	XNClientWindow, vt,
1281	XNFocusWindow, TermWin.parent[0],	1390	XNFocusWindow, parent[0],
1282	preedit_attr ? XNPreeditAttributes : NULL,	1391	preedit_attr ? XNPreeditAttributes : NULL,
1283	preedit_attr,	1392	preedit_attr,
1284	status_attr ? XNStatusAttributes : NULL,	1393	status_attr ? XNStatusAttributes : NULL,
1285	status_attr, NULL);	1394	status_attr, NULL);
		1395
1286	if (preedit_attr) XFree (preedit_attr);	1396	if (preedit_attr) XFree (preedit_attr);
1287	if (status_attr) XFree (status_attr);	1397	if (status_attr) XFree (status_attr);
		1398	if (fs) XFreeFontSet (dpy, fs);
1288		1399
1289	if (Input_Context == NULL)	1400	if (Input_Context == NULL)
1290	{	1401	{
1291	rxvt_print_error ("failed to create input context");	1402	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1292	display->put_xim (input_method);	1403	im_destroy ();
1293	return false;	1404	return false;
1294	}	1405	}
1295		1406
1296	if (input_style & XIMPreeditArea)	1407	#if 0
		1408	// unfortunately, only the focus window is used by XIM, hard to fix
		1409	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1410	vt_select_input ();
		1411	#endif
		1412
1297	IMSetStatusPosition ();	1413	IMSetPosition ();
1298		1414
1299	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1300	return true;	1415	return true;
1301	}	1416	}
1302		1417
1303	void	1418	void
1304	rxvt_term::im_cb ()	1419	rxvt_term::im_cb ()
1305	{	1420	{
1306	int i, found, had_im;	1421	int i;
1307	const char *p;	1422	const char *p;
1308	char **s;	1423	char **s;
1309	char buf[IMBUFSIZ];	1424	char buf[IMBUFSIZ];
1310		1425
		1426	make_current ();
		1427
1311	im_destroy ();	1428	im_destroy ();
1312		1429
1313	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1314	if (Input_Context)	1430	if (Input_Context)
1315	return;	1431	return;
1316		1432
1317	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1433	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1318	if (rs[Rs_imLocale])	1434	if (rs[Rs_imLocale])
1319	setlocale (LC_CTYPE, rs[Rs_imLocale]);	1435	SET_LOCALE (rs[Rs_imLocale]);
1320	#endif	1436	#endif
1321		1437
1322	p = rs[Rs_inputMethod];	1438	p = rs[Rs_inputMethod];
1323	if (p && *p)	1439	if (p && *p)
1324	{	1440	{
1325	bool found = false;	1441	bool found = false;
1326		1442
1327	s = rxvt_splitcommastring (p);	1443	s = rxvt_splitcommastring (p);
		1444
1328	for (i = 0; s[i]; i++)	1445	for (i = 0; s[i]; i++)
1329	{	1446	{
1330	if (*s[i])	1447	if (*s[i])
1331	{	1448	{
1332	STRCPY (buf, "@im=");	1449	strcpy (buf, "@im=");
1333	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1450	strncat (buf, s[i], IMBUFSIZ - 5);
1334	if (IM_get_IC (buf))	1451	if (IM_get_IC (buf))
1335	{	1452	{
1336	found = true;	1453	found = true;
1337	break;	1454	break;
1338	}	1455	}
1339	}	1456	}
1340	}	1457	}
1341	for (i = 0; s[i]; i++)	1458
1342	free (s[i]);	1459	rxvt_freecommastring (s);
1343	free (s);
1344		1460
1345	if (found)	1461	if (found)
1346	goto done;	1462	goto done;
1347	}	1463	}
1348		1464
…		…
1355	goto done;	1471	goto done;
1356		1472
1357	done:	1473	done:
1358	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1474	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1359	if (rs[Rs_imLocale])	1475	if (rs[Rs_imLocale])
1360	setlocale (LC_CTYPE, locale);	1476	SET_LOCALE (locale);
1361	#endif	1477	#endif
1362	}	1478	}
1363		1479
1364	void	1480	void
1365	rxvt_term::IMSetStatusPosition ()	1481	rxvt_term::IMSetPosition ()
1366	{	1482	{
1367	XRectangle preedit_rect, status_rect, *needed_rect;	1483	XRectangle preedit_rect, status_rect, *needed_rect;
1368	XVaNestedList preedit_attr, status_attr;	1484	XVaNestedList preedit_attr, status_attr;
1369		1485
1370	if (Input_Context == NULL	1486	if (!Input_Context
1371	|| !TermWin.focus || ! (input_style & XIMPreeditArea)	1487	|| !focus
		1488	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1372	|| !IMisRunning ())	1489	|| !IMisRunning ())
1373	return;	1490	return;
1374		1491
		1492	if (input_style & XIMPreeditPosition)
		1493	{
		1494	im_set_size (preedit_rect);
		1495	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1496
		1497	XSetICValues (Input_Context,
		1498	XNPreeditAttributes, preedit_attr, NULL);
		1499	}
		1500	else
		1501	{
1375	/* Getting the necessary width of preedit area */	1502	/* Getting the necessary width of preedit area */
1376	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);	1503	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1377	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);	1504	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1378	XFree (status_attr);	1505	XFree (status_attr);
1379		1506
1380	im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);	1507	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1508	XFree (needed_rect);
1381		1509
1382	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);	1510	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1383	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);	1511	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1384		1512
1385	XSetICValues (Input_Context,	1513	XSetICValues (Input_Context,
1386	XNPreeditAttributes, preedit_attr,	1514	XNPreeditAttributes, preedit_attr,
1387	XNStatusAttributes, status_attr, NULL);	1515	XNStatusAttributes, status_attr,
		1516	NULL);
1388		1517
		1518	XFree (status_attr);
		1519	}
		1520
1389	XFree (preedit_attr);	1521	XFree (preedit_attr);
1390	XFree (status_attr);
1391	}	1522	}
1392	#endif /* USE_XIM */	1523	#endif /* USE_XIM */
1393		1524
1394	/*----------------------------------------------------------------------*/	1525	void
1395	rxvt_t rxvt_current_term;	1526	rxvt_term::get_window_origin (int &x, int &y)
		1527	{
		1528	Window cr;
		1529	XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
		1530	/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
		1531	}
		1532
		1533	Pixmap
		1534	rxvt_term::get_pixmap_property (int prop_id)
		1535	{
		1536	if (prop_id > 0 && prop_id < NUM_XA)
		1537	if (xa[prop_id])
		1538	{
		1539	int aformat;
		1540	unsigned long nitems, bytes_after;
		1541	Atom atype;
		1542	unsigned char *prop = NULL;
		1543	int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
		1544	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1545	&nitems, &bytes_after, &prop);
		1546	if (result == Success && prop && atype == XA_PIXMAP)
		1547	return *(Pixmap *)prop;
		1548	}
		1549
		1550	return None;
		1551	}
		1552
		1553	#ifdef HAVE_BG_PIXMAP
		1554	# if TRACE_PIXMAPS
		1555	# undef update_background
		1556	void
		1557	rxvt_term::trace_update_background (const char *file, int line)
		1558	{
		1559	fprintf (stderr, "%s:%d:update_background()\n", file, line);
		1560	update_background ();
		1561	}
		1562	# endif
		1563
		1564	void
		1565	rxvt_term::update_background ()
		1566	{
		1567	if (update_background_ev.is_active ())
		1568	return;
		1569
		1570	bgPixmap.invalidate ();
		1571
		1572	ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
		1573
		1574	if (to_wait <= 0.)
		1575	bgPixmap.render ();
		1576	else
		1577	update_background_ev.start (to_wait);
		1578	}
		1579
		1580	void
		1581	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1582	{
		1583	make_current ();
		1584
		1585	update_background_ev.stop ();
		1586	bgPixmap.render ();
		1587	refresh_check ();
		1588	}
		1589
		1590	#endif /* HAVE_BG_PIXMAP */
1396		1591
1397	/*----------------------- end-of-file (C source) -----------------------*/	1592	/*----------------------- end-of-file (C source) -----------------------*/

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