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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.38 by pcg, Sat Feb 21 21:43:37 2004 UTC vs.
Revision 1.188 by root, Wed Jan 18 08:33:34 2006 UTC

1	/*--------------------------------*-C-*---------------------------------*;	1	/*--------------------------------*-C-*---------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>	6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
7	* - original version	7	* - original version
…		…
11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
12	* - extensive modifications	12	* - extensive modifications
13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
15	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
16	*	17	*
17	* This program is free software; you can redistribute it and/or modify	18	* This program is free software; you can redistribute it and/or modify
18	* it under the terms of the GNU General Public License as published by	19	* it under the terms of the GNU General Public License as published by
19	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
20	* (at your option) any later version.	21	* (at your option) any later version.
…		…
29	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
31		32
32	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
33	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
34	#include "main.intpro" /* PROTOS for internal routines */	35	#include "keyboard.h"
		36	#include "rxvtperl.h"
35		37
		38	#include <limits>
		39
36	#include <signal.h>	40	#include <csignal>
		41	#include <cstring>
37		42
38	#ifdef TTY_GID_SUPPORT	43	#ifdef TTY_GID_SUPPORT
39	# include <grp.h>	44	# include <grp.h>
40	#endif	45	#endif
41		46
42	#ifdef HAVE_TERMIOS_H	47	#ifdef HAVE_TERMIOS_H
43	# include <termios.h>	48	# include <termios.h>
44	#endif	49	#endif
45		50
46	#include <cstring>	51	vector<rxvt_term *> rxvt_term::termlist;
47		52
48	static char curlocale[128];	53	static char curlocale[128], savelocale[128];
49		54
50	void	55	bool
51	rxvt_set_locale (const char *locale)	56	rxvt_set_locale (const char *locale)
52	{	57	{
53	if (locale && STRNCMP (locale, curlocale, 128))	58	if (!locale || !strncmp (locale, curlocale, 128))
54	{	59	return false;
		60
55	STRNCPY (curlocale, locale, 128);	61	strncpy (curlocale, locale, 128);
56	setlocale (LC_CTYPE, curlocale);	62	setlocale (LC_CTYPE, curlocale);
57	}	63	return true;
58	}	64	}
59		65
60	void *	66	void
61	rxvt_term::operator new (size_t s)	67	rxvt_push_locale (const char *locale)
62	{	68	{
63	void *p = malloc (s);	69	strcpy (savelocale, curlocale);
		70	rxvt_set_locale (locale);
		71	}
64		72
65	MEMSET (p, 0, s);	73	void
		74	rxvt_pop_locale ()
		75	{
		76	rxvt_set_locale (savelocale);
		77	}
		78
		79	#if ENABLE_COMBINING
		80	class rxvt_composite_vec rxvt_composite;
		81
		82	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		83	{
		84	compose_char *cc;
		85
		86	// break compose chains, as stupid readline really likes to duplicate
		87	// composing characters for some reason near the end of a line.
		88	cc = (*this)[c1];
		89	while (cc)
		90	{
		91	if (cc->c2 == c2) return c1;
		92	cc = (*this)[cc->c1];
		93	}
		94
		95	// check to see wether this combination already exists otherwise
		96	for (cc = v.end (); cc-- > v.begin (); )
		97	{
		98	if (cc->c1 == c1 && cc->c2 == c2)
		99	return COMPOSE_LO + (cc - v.begin ());
		100	}
		101
		102	// allocate a new combination
		103	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		104	{
		105	static int seen;
		106
		107	if (!seen++)
		108	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		109
		110	return REPLACEMENT_CHAR;
		111	}
		112
		113	v.push_back (compose_char (c1, c2));
		114
		115	return v.size () - 1 + COMPOSE_LO;
		116	}
		117
		118	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		119	{
		120	compose_char *cc = (*this)[c];
		121
		122	if (!cc)
		123	{
		124	if (r) *r = c;
		125	return 1;
		126	}
		127
		128	int len = expand (cc->c1, r);
		129
		130	if (r) r += len;
		131
		132	if (cc->c2 != NOCHAR)
		133	{
		134	len++;
		135	if (r) *r++ = cc->c2;
		136	}
		137
66	return p;	138	return len;
67	}
68		139
69	void
70	rxvt_term::operator delete (void *p, size_t s)
71	{
72	free (p);
73	}	140	}
		141	#endif
74		142
75	rxvt_term::rxvt_term ()	143	rxvt_term::rxvt_term ()
76	:	144	:
		145	#if TRANSPARENT
77	rootwin_ev (this, &rxvt_term::rootwin_cb),	146	rootwin_ev (this, &rxvt_term::rootwin_cb),
		147	#endif
		148	#ifdef HAVE_SCROLLBARS
		149	scrollbar_ev (this, &rxvt_term::x_cb),
		150	#endif
		151	#ifdef CURSOR_BLINK
		152	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
		153	#endif
		154	#ifdef TEXT_BLINK
		155	text_blink_ev (this, &rxvt_term::text_blink_cb),
		156	#endif
		157	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		158	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
		159	#endif
		160	#ifdef SELECTION_SCROLLING
		161	sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
		162	#endif
		163	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		164	slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
		165	#endif
		166	#ifdef POINTER_BLANK
		167	pointer_ev (this, &rxvt_term::pointer_cb),
		168	#endif
		169	#ifdef USE_XIM
		170	im_ev (this, &rxvt_term::im_cb),
		171	#endif
78	termwin_ev (this, &rxvt_term::x_cb),	172	termwin_ev (this, &rxvt_term::x_cb),
79	vt_ev (this, &rxvt_term::x_cb),	173	vt_ev (this, &rxvt_term::x_cb),
80	#ifdef HAVE_SCROLLBARS
81	scrollbar_ev (this, &rxvt_term::x_cb),
82	#endif
83	#ifdef MENUBAR
84	menubar_ev (this, &rxvt_term::x_cb), fixme
85	#endif
86	#ifdef CURSOR_BLINK
87	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
88	#endif
89	#ifdef TEXT_BLINK
90	text_blink_ev (this, &rxvt_term::text_blink_cb),
91	#endif
92	#ifdef POINTER_BLANK
93	pointer_ev (this, &rxvt_term::pointer_cb),
94	#endif
95	#ifdef USE_XIM
96	im_ev (this, &rxvt_term::im_cb),
97	#endif
98	check_ev (this, &rxvt_term::check_cb),	174	check_ev (this, &rxvt_term::check_cb),
		175	flush_ev (this, &rxvt_term::flush_cb),
99	destroy_ev (this, &rxvt_term::destroy_cb),	176	destroy_ev (this, &rxvt_term::destroy_cb),
100	pty_ev (this, &rxvt_term::pty_cb),	177	pty_ev (this, &rxvt_term::pty_cb),
101	incr_ev (this, &rxvt_term::incr_cb)	178	incr_ev (this, &rxvt_term::incr_cb)
102	{	179	{
103	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	180	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		181
		182	termlist.push_back (this);
		183
		184	#ifdef KEYSYM_RESOURCE
		185	keyboard = new keyboard_manager;
		186
		187	if (!keyboard)
		188	rxvt_fatal ("out of memory, aborting.\n");
		189	#endif
		190	}
		191
		192	// clean up the most important stuff, do *not* call x or free mem etc.
		193	// for use before an emergency exit
		194	void rxvt_term::emergency_cleanup ()
		195	{
		196	if (cmd_pid)
		197	kill (-cmd_pid, SIGHUP);
		198
		199	delete pty; pty = 0;
104	}	200	}
105		201
106	rxvt_term::~rxvt_term ()	202	rxvt_term::~rxvt_term ()
107	{	203	{
108	if (cmd_fd >= 0)	204	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
109	close (cmd_fd);
110		205
111	#ifndef NO_SETOWNER_TTYDEV	206	termlist.erase (find (termlist.begin (), termlist.end(), this));
112	privileged_ttydev (RESTORE);
113	#endif
114	#ifdef UTMP_SUPPORT
115	privileged_utmp (RESTORE);
116	#endif
117		207
		208	emergency_cleanup ();
		209
		210	#if ENABLE_STYLES
		211	for (int i = RS_styleCount; --i; )
		212	if (fontset[i] != fontset[0])
		213	delete fontset[i];
		214	#endif
118	delete TermWin.fontset;	215	delete fontset[0];
119		216
120	if (display)	217	if (display)
		218	{
		219	dDisp;
		220
		221	selection_clear ();
		222
		223	#ifdef USE_XIM
		224	im_destroy ();
		225	#endif
		226	#ifdef XTERM_SCROLLBAR
		227	if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
		228	if (ShadowGC) XFreeGC (disp, ShadowGC);
		229	#endif
		230	#ifdef PLAIN_SCROLLBAR
		231	if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
		232	#endif
		233	#ifdef NEXT_SCROLLBAR
		234	if (blackGC) XFreeGC (disp, blackGC);
		235	if (whiteGC) XFreeGC (disp, whiteGC);
		236	if (grayGC) XFreeGC (disp, grayGC);
		237	if (darkGC) XFreeGC (disp, darkGC);
		238	if (stippleGC) XFreeGC (disp, stippleGC);
		239	if (dimple) XFreePixmap (disp, dimple);
		240	if (upArrow) XFreePixmap (disp, upArrow);
		241	if (downArrow) XFreePixmap (disp, downArrow);
		242	if (upArrowHi) XFreePixmap (disp, upArrowHi);
		243	if (downArrowHi) XFreePixmap (disp, downArrowHi);
		244	#endif
		245	#ifdef RXVT_SCROLLBAR
		246	if (topShadowGC) XFreeGC (disp, topShadowGC);
		247	if (botShadowGC) XFreeGC (disp, botShadowGC);
		248	if (scrollbarGC) XFreeGC (disp, scrollbarGC);
		249	#endif
		250	if (gc) XFreeGC (disp, gc);
		251
		252	delete drawable;
		253	// destroy all windows
121	if (TermWin.parent[0])	254	if (parent[0])
122	XDestroyWindow (display->display, TermWin.parent[0]);	255	XDestroyWindow (disp, parent[0]);
		256	}
123		257
124	// TODO: free pixcolours, colours should become part of rxvt_display	258	// TODO: free pixcolours, colours should become part of rxvt_display
125		259	delete pix_colors_focused;
126	delete PixColors;	260	#if OFF_FOCUS_FADING
		261	delete pix_colors_unfocused;
		262	#endif
127		263
128	displays.put (display);	264	displays.put (display);
129		265
130	scr_release ();	266	scr_release ();
131		267
		268	/* clear all resources */
		269	for (int i = 0; i < allocated.size (); i++)
		270	free (allocated [i]);
		271
		272	free (selection.text);
		273	// TODO: manage env vars in child only(!)
132	free (env_windowid);	274	free (env_windowid);
133	free (env_display);	275	free (env_display);
134	free (env_term);	276	free (env_term);
135	free (env_colorfgbg);	277	free (env_colorfgbg);
136	free (locale);	278	free (locale);
137	free (codeset);	279	free (v_buffer);
		280	free (incr_buf);
138		281
139	delete envv;	282	delete envv;
140	delete argv;	283	delete argv;
		284
		285	#ifdef KEYSYM_RESOURCE
		286	delete keyboard;
		287	#endif
		288	}
		289
		290	void
		291	rxvt_term::child_exit ()
		292	{
		293	cmd_pid = 0;
		294
		295	if (!OPTION (Opt_hold))
		296	destroy ();
141	}	297	}
142		298
143	void	299	void
144	rxvt_term::destroy ()	300	rxvt_term::destroy ()
145	{	301	{
		302	if (destroy_ev.active)
		303	return;
		304
		305	#if ENABLE_OVERLAY
		306	scr_overlay_off ();
		307	#endif
		308
146	if (display)	309	if (display)
147	{	310	{
		311	#if USE_XIM
		312	im_ev.stop (display);
		313	#endif
		314	#if HAVE_SCROLLBARS
		315	scrollbar_ev.stop (display);
		316	#endif
		317	#if TRANSPARENT
148	rootwin_ev.stop (display);	318	rootwin_ev.stop (display);
		319	#endif
		320	incr_ev.stop ();
149	termwin_ev.stop (display);	321	termwin_ev.stop (display);
150	vt_ev.stop (display);	322	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	}	323	}
162		324
163	check_ev.stop ();	325	check_ev.stop ();
164	pty_ev.stop ();	326	pty_ev.stop ();
165	#ifdef CURSOR_BLINK	327	#ifdef CURSOR_BLINK
166	cursor_blink_ev.stop ();	328	cursor_blink_ev.stop ();
167	#endif	329	#endif
168	#ifdef TEXT_BLINK	330	#ifdef TEXT_BLINK
169	text_blink_ev.stop ();	331	text_blink_ev.stop ();
170	#endif	332	#endif
		333	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		334	cont_scroll_ev.stop ();
		335	#endif
		336	#ifdef SELECTION_SCROLLING
		337	sel_scroll_ev.stop ();
		338	#endif
171	#ifdef POINTER_BLANK	339	#ifdef POINTER_BLANK
172	pointer_ev.stop ();	340	pointer_ev.stop ();
173	#endif	341	#endif
174		342
175	destroy_ev.start (0);	343	destroy_ev.start (0);
176	}	344	}
177		345
178	void	346	void
179	rxvt_term::destroy_cb (time_watcher &w)	347	rxvt_term::destroy_cb (time_watcher &w)
180	{	348	{
181	SET_R (this);	349	make_current ();
182		350
183	delete this;	351	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 0
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	}	352	}
355		353
356	/*----------------------------------------------------------------------*/	354	/*----------------------------------------------------------------------*/
357	/*	355	/*
358	* Exit gracefully, clearing the utmp entry and restoring tty attributes	356	* Exit gracefully, clearing the utmp entry and restoring tty attributes
359	* TODO: if debugging, this should free up any known resources if we can	357	* TODO: if debugging, this should free up any known resources if we can
360	*/	358	*/
361	/* EXTPROTO */	359	static XErrorHandler old_xerror_handler;
		360
		361	static void
		362	rxvt_emergency_cleanup ()
		363	{
		364	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		365	(*t)->emergency_cleanup ();
		366	}
		367
		368	#if ENABLE_FRILLS
		369	static void
		370	print_x_error (Display *dpy, XErrorEvent *event)
		371	{
		372	char buffer[BUFSIZ];
		373	char mesg[BUFSIZ];
		374	char number[32];
		375	char *mtype = "XlibMessage";
		376	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		377	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		378	rxvt_warn ("An X Error occured, trying to continue after report.\n");
		379	rxvt_warn ("%s: %s\n", mesg, buffer);
		380	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		381	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		382	sprintf(number, "%d", event->request_code);
		383	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		384	rxvt_warn ("(which is %s)\n", buffer);
		385	if (event->request_code >= 128) {
		386	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		387	mesg, BUFSIZ);
		388	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		389	}
		390	if ((event->error_code == BadWindow) ||
		391	(event->error_code == BadPixmap) ||
		392	(event->error_code == BadCursor) ||
		393	(event->error_code == BadFont) ||
		394	(event->error_code == BadDrawable) ||
		395	(event->error_code == BadColor) ||
		396	(event->error_code == BadGC) ||
		397	(event->error_code == BadIDChoice) ||
		398	(event->error_code == BadValue) ||
		399	(event->error_code == BadAtom)) {
		400	if (event->error_code == BadValue)
		401	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		402	mesg, BUFSIZ);
		403	else if (event->error_code == BadAtom)
		404	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		405	mesg, BUFSIZ);
		406	else
		407	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		408	mesg, BUFSIZ);
		409	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		410	}
		411	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		412	mesg, BUFSIZ);
		413	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		414	}
		415	#endif
		416
		417	int
		418	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		419	{
		420	if (GET_R->allowedxerror == -1)
		421	GET_R->allowedxerror = event->error_code;
		422	else
		423	{
		424	// GET_R is most likely not the terminal which caused the error,
		425	// so just output the error and continue
		426	#if ENABLE_FRILLS
		427	print_x_error (display, event);
		428	#else
		429	old_xerror_handler (display, event);
		430	#endif
		431	}
		432
		433	return 0;
		434	}
		435
		436	int
		437	rxvt_xioerror_handler (Display *display)
		438	{
		439	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		440	DisplayString (display));
		441	rxvt_emergency_cleanup ();
		442	_exit (EXIT_FAILURE);
		443	}
		444
		445	/*----------------------------------------------------------------------*/
		446	bool
		447	rxvt_term::init (int argc, const char *const *argv)
		448	{
		449	SET_R (this);
		450	set_locale ("");
		451	set_environ (envv); // few things in X do not call setlocale :(
		452
		453	if (!init_vars ())
		454	return false;
		455
		456	init_secondary ();
		457
		458	const char **cmd_argv = init_resources (argc, argv);
		459
		460	#ifdef KEYSYM_RESOURCE
		461	keyboard->register_done ();
		462	#endif
		463
		464	#ifdef HAVE_SCROLLBARS
		465	if (OPTION (Opt_scrollBar))
		466	scrollBar.setIdle (); /* set existence for size calculations */
		467	#endif
		468
		469	#if ENABLE_PERL
		470	if (!rs[Rs_perl_ext_1])
		471	rs[Rs_perl_ext_1] = "default";
		472
		473	if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
		474	|| (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
		475	|| (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
		476	{
		477	rxvt_perl.init (this);
		478	HOOK_INVOKE ((this, HOOK_INIT, DT_END));
		479	}
		480	#endif
		481
		482	pty = rxvt_new_ptytty ();
		483
		484	create_windows (argc, argv);
		485
		486	dDisp;
		487
		488	init_xlocale ();
		489
		490	scr_reset (); // initialize screen
		491
		492	#if 0
		493	XSynchronize (disp, True);
		494	#endif
		495
		496	#ifdef HAVE_SCROLLBARS
		497	if (OPTION (Opt_scrollBar))
		498	resize_scrollbar (); /* create and map scrollbar */
		499	#endif
		500	#ifdef TRANSPARENT
		501	if (OPTION (Opt_transparent))
		502	{
		503	XSelectInput (disp, display->root, PropertyChangeMask);
		504	check_our_parents ();
		505	rootwin_ev.start (display, display->root);
		506	}
		507	#endif
		508
		509	XMapWindow (disp, vt);
		510	XMapWindow (disp, parent[0]);
		511
		512	set_colorfgbg ();
		513
		514	init_command (cmd_argv);
		515
		516	free (cmd_argv);
		517
		518	if (pty->pty >= 0)
		519	pty_ev.start (pty->pty, EVENT_READ);
		520
		521	check_ev.start ();
		522
		523	HOOK_INVOKE ((this, HOOK_START, DT_END));
		524
		525	return true;
		526	}
		527
		528	static struct sig_handlers
		529	{
		530	sig_watcher sw_chld, sw_term, sw_int;
		531
		532	void sig_chld (sig_watcher &w)
		533	{
		534	// we are being called for every SIGCHLD, find the corresponding term
		535	int pid;
		536
		537	while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
		538	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		539	if (pid == (*t)->cmd_pid)
		540	{
		541	(*t)->child_exit ();
		542	break;
		543	}
		544	}
		545
		546	/*
		547	* Catch a fatal signal and tidy up before quitting
		548	*/
362	void	549	void
363	rxvt_clean_exit ()	550	sig_term (sig_watcher &w)
		551	{
		552	#ifdef DEBUG_CMD
		553	rxvt_warn ("caught signal %d, exiting.\n", w.signum);
		554	#endif
		555	rxvt_emergency_cleanup ();
		556	signal (w.signum, SIG_DFL);
		557	kill (getpid (), w.signum);
		558	}
		559
		560	sig_handlers ()
		561	: sw_chld (this, &sig_handlers::sig_chld),
		562	sw_term (this, &sig_handlers::sig_term),
		563	sw_int (this, &sig_handlers::sig_term)
		564	{
		565	}
		566	} sig_handlers;
		567
		568	char **rxvt_environ; // startup environment
		569
		570	void
		571	rxvt_init ()
364	{	572	{
365	// TODO: rxvtd should clean up all ressources	573	uid_t uid = getuid ();
366	if (GET_R)	574	gid_t gid = getgid ();
367	GET_R->destroy ();	575
		576	// before doing anything else, check for setuid/setgid operation,
		577	// start the helper process and drop privileges
		578	if (uid != geteuid ()
		579	|| gid != getegid ())
		580	{
		581	#if PTYTTY_HELPER
		582	rxvt_ptytty_server ();
		583	#else
		584	rxvt_warn ("running setuid/setgid without pty helper compiled in, continuing unprivileged.\n");
		585	#endif
		586
		587	// drop privileges
		588	#if HAVE_SETRESUID
		589	setresgid (gid, gid, gid);
		590	setresuid (uid, uid, uid);
		591	#elif HAVE_SETREUID
		592	setregid (gid, gid);
		593	setreuid (uid, uid);
		594	#elif HAVE_SETUID
		595	setgid (gid);
		596	setuid (uid);
		597	#endif
		598
		599	if (uid != geteuid ()
		600	|| gid != getegid ())
		601	rxvt_fatal ("unable to drop privileges, aborting.\n");
		602	}
		603
		604	rxvt_environ = environ;
		605
		606	signal (SIGHUP, SIG_IGN);
		607	signal (SIGPIPE, SIG_IGN);
		608
		609	sig_handlers.sw_chld.start (SIGCHLD);
		610	sig_handlers.sw_term.start (SIGTERM);
		611	sig_handlers.sw_int.start (SIGINT);
		612
		613	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		614	/* signal (SIGURG, SIG_DFL); */
		615
		616	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		617	// TODO: handle this with exceptions and tolerate the memory loss
		618	XSetIOErrorHandler (rxvt_xioerror_handler);
		619
		620	XrmInitialize ();
368	}	621	}
369		622
370	/* ------------------------------------------------------------------------- *	623	/* ------------------------------------------------------------------------- *
371	* MEMORY ALLOCATION WRAPPERS *	624	* MEMORY ALLOCATION WRAPPERS *
372	* ------------------------------------------------------------------------- */	625	* ------------------------------------------------------------------------- */
373	/* EXTPROTO */	626	void *
374	void *
375	rxvt_malloc (size_t size)	627	rxvt_malloc (size_t size)
376	{	628	{
377	void *p;
378
379	p = malloc (size);	629	void *p = malloc (size);
		630
380	if (p)	631	if (!p)
		632	rxvt_fatal ("memory allocation failure. aborting.\n");
		633
381	return p;	634	return p;
382
383	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
384	rxvt_clean_exit ();
385	exit (EXIT_FAILURE);
386	/* NOTREACHED */
387	}	635	}
388		636
389	/* EXTPROTO */	637	void *
390	void *
391	rxvt_calloc (size_t number, size_t size)	638	rxvt_calloc (size_t number, size_t size)
392	{	639	{
393	void *p;
394
395	p = calloc (number, size);	640	void *p = calloc (number, size);
		641
396	if (p)	642	if (!p)
		643	rxvt_fatal ("memory allocation failure. aborting.\n");
		644
397	return p;	645	return p;
398
399	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
400	rxvt_clean_exit ();
401	exit (EXIT_FAILURE);
402	/* NOTREACHED */
403	}	646	}
404		647
405	/* EXTPROTO */
406	void *	648	void *
407	rxvt_realloc (void *ptr, size_t size)	649	rxvt_realloc (void *ptr, size_t size)
408	{	650	{
409	void *p;
410
411	if (ptr)
412	p = realloc (ptr, size);	651	void *p = realloc (ptr, size);
413	else	652
414	p = malloc (size);
415	if (p)	653	if (!p)
		654	rxvt_fatal ("memory allocation failure. aborting.\n");
		655
416	return p;	656	return p;
417
418	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
419	rxvt_clean_exit ();
420	exit (EXIT_FAILURE);
421	/* NOTREACHED */
422	}	657	}
423
424	/* ------------------------------------------------------------------------- *
425	* PRIVILEGED OPERATIONS *
426	* ------------------------------------------------------------------------- */
427	/* take care of suid/sgid super-user (root) privileges */
428	void
429	rxvt_term::privileges (int mode)
430	{
431	#if ! defined(__CYGWIN32__)
432	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
433	/* setreuid () is the poor man's setuid (), seteuid () */
434	# define seteuid(a) setreuid(-1, (a))
435	# define setegid(a) setregid(-1, (a))
436	# define HAVE_SETEUID
437	# endif
438	# ifdef HAVE_SETEUID
439	switch (mode)
440	{
441	case IGNORE:
442	/*
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	}
458	# else
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
474	#ifdef UTMP_SUPPORT
475	void
476	rxvt_term::privileged_utmp (char action)
477	{
478	D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)",
479	action, next_utmp_action, getpid ()));
480	if (next_utmp_action != action || (action != SAVE && action != RESTORE)
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	}
498	#endif
499
500	#ifndef NO_SETOWNER_TTYDEV
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
511	privileges (RESTORE);
512
513	if (action == SAVE)
514	{
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
523	{
524	chown (ttydev, getuid (), ttygid); /* fail silently */
525	chmod (ttydev, ttymode);
526	# ifdef HAVE_REVOKE
527	revoke (ttydev);
528	# endif
529
530	}
531	}
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
544	}
545
546	privileges (IGNORE);
547
548	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
549	D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
550	action == RESTORE ? "Restoring" : (action ==
551	SAVE ? "Saving" :
552	"UNKNOWN ERROR for"), ttydev,
553	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
554	ttyfd_stat.st_gid));
555	# endif
556	}
557	#endif
558		658
559	/*----------------------------------------------------------------------*/	659	/*----------------------------------------------------------------------*/
560	/*	660	/*
561	* window size/position calculcations for XSizeHint and other storage.	661	* window size/position calculcations for XSizeHint and other storage.
562	* if width/height are non-zero then override calculated width/height	662	* if width/height are non-zero then override calculated width/height
563	*/	663	*/
564	void	664	void
565	rxvt_term::window_calc (unsigned int width, unsigned int height)	665	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
566	{	666	{
567	short recalc_x, recalc_y;	667	short recalc_x, recalc_y;
568	int x, y, sb_w, mb_h, flags;	668	int x, y, sb_w, flags;
569	unsigned int w, h;	669	unsigned int w, h;
570	unsigned int max_width, max_height;	670	unsigned int max_width, max_height;
		671	dDisp;
571		672
572	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	673	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
573	TermWin.ncol, TermWin.nrow, szHint.width,	674	ncol, nrow, szHint.width, szHint.height));
574	szHint.height));	675
575	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	676	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
576	szHint.win_gravity = NorthWestGravity;	677	szHint.win_gravity = NorthWestGravity;
577	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	678	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
578		679
579	recalc_x = recalc_y = 0;	680	recalc_x = recalc_y = 0;
580	flags = 0;	681	flags = 0;
		682
581	if (!parsed_geometry)	683	if (!parsed_geometry)
582	{	684	{
583	parsed_geometry = 1;	685	parsed_geometry = 1;
		686
584	if (rs[Rs_geometry])	687	if (rs[Rs_geometry])
585	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);	688	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		689
586	if (flags & WidthValue)	690	if (flags & WidthValue)
587	{	691	{
588	TermWin.ncol = BOUND_POSITIVE_INT16 (w);	692	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
589	szHint.flags |= USSize;	693	szHint.flags |= USSize;
590	}	694	}
		695
591	if (flags & HeightValue)	696	if (flags & HeightValue)
592	{	697	{
593	TermWin.nrow = BOUND_POSITIVE_INT16 (h);	698	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
594	szHint.flags |= USSize;	699	szHint.flags |= USSize;
595	}	700	}
		701
596	if (flags & XValue)	702	if (flags & XValue)
597	{	703	{
598	szHint.x = x;	704	szHint.x = x;
599	szHint.flags |= USPosition;	705	szHint.flags |= USPosition;
		706
600	if (flags & XNegative)	707	if (flags & XNegative)
601	{	708	{
602	recalc_x = 1;	709	recalc_x = 1;
603	szHint.win_gravity = NorthEastGravity;	710	szHint.win_gravity = NorthEastGravity;
604	}	711	}
605	}	712	}
		713
606	if (flags & YValue)	714	if (flags & YValue)
607	{	715	{
608	szHint.y = y;	716	szHint.y = y;
609	szHint.flags |= USPosition;	717	szHint.flags |= USPosition;
		718
610	if (flags & YNegative)	719	if (flags & YNegative)
611	{	720	{
612	recalc_y = 1;	721	recalc_y = 1;
		722
613	if (szHint.win_gravity == NorthEastGravity)	723	if (szHint.win_gravity == NorthEastGravity)
614	szHint.win_gravity = SouthEastGravity;	724	szHint.win_gravity = SouthEastGravity;
615	else	725	else
616	szHint.win_gravity = SouthWestGravity;	726	szHint.win_gravity = SouthWestGravity;
617	}	727	}
618	}	728	}
619	}	729	}
		730
620	/* TODO: BOUNDS */	731	/* TODO: BOUNDS */
621	TermWin.width = TermWin.ncol * TermWin.fwidth;	732	width = ncol * fwidth;
622	TermWin.height = TermWin.nrow * TermWin.fheight;	733	height = nrow * fheight;
623	max_width = MAX_COLS * TermWin.fwidth;	734	max_width = MAX_COLS * fwidth;
624	max_height = MAX_ROWS * TermWin.fheight;	735	max_height = MAX_ROWS * fheight;
625		736
626	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	737	szHint.base_width = szHint.base_height = 2 * int_bwidth;
627		738
628	sb_w = mb_h = 0;	739	sb_w = 0;
629	window_vt_x = window_vt_y = 0;	740	window_vt_x = window_vt_y = int_bwidth;
630	if (scrollbar_visible ())	741
		742	if (scrollBar.state)
631	{	743	{
632	sb_w = scrollbar_TotalWidth ();	744	sb_w = scrollbar_TotalWidth ();
633	szHint.base_width += sb_w;	745	szHint.base_width += sb_w;
634	if (! (Options & Opt_scrollBar_right))	746	if (!OPTION (Opt_scrollBar_right))
635	window_vt_x = sb_w;	747	window_vt_x += sb_w;
636	}
637	if (menubar_visible ())
638	{	748	}
639	mb_h = menuBar_TotalHeight ();	749
640	szHint.base_height += mb_h;
641	window_vt_y = mb_h;
642	}
643	szHint.width_inc = TermWin.fwidth;	750	szHint.width_inc = fwidth;
644	szHint.height_inc = TermWin.fheight;	751	szHint.height_inc = fheight;
645	szHint.min_width = szHint.base_width + szHint.width_inc;	752	szHint.min_width = szHint.base_width + szHint.width_inc;
646	szHint.min_height = szHint.base_height + szHint.height_inc;	753	szHint.min_height = szHint.base_height + szHint.height_inc;
647		754
648	if (width && width - szHint.base_width < max_width)	755	if (newwidth && newwidth - szHint.base_width < max_width)
649	{	756	{
650	szHint.width = width;	757	szHint.width = newwidth;
651	TermWin.width = width - szHint.base_width;	758	width = newwidth - szHint.base_width;
652	}	759	}
653	else	760	else
654	{	761	{
655	MIN_IT (TermWin.width, max_width);	762	min_it (width, max_width);
656	szHint.width = szHint.base_width + TermWin.width;	763	szHint.width = szHint.base_width + width;
657	}	764	}
		765
658	if (height && height - szHint.base_height < max_height)	766	if (newheight && newheight - szHint.base_height < max_height)
659	{	767	{
660	szHint.height = height;	768	szHint.height = newheight;
661	TermWin.height = height - szHint.base_height;	769	height = newheight - szHint.base_height;
662	}	770	}
663	else	771	else
664	{	772	{
665	MIN_IT (TermWin.height, max_height);	773	min_it (height, max_height);
666	szHint.height = szHint.base_height + TermWin.height;	774	szHint.height = szHint.base_height + height;
667	}	775	}
668	if (scrollbar_visible () && (Options & Opt_scrollBar_right))	776
		777	if (scrollBar.state && OPTION (Opt_scrollBar_right))
669	window_sb_x = szHint.width - sb_w;	778	window_sb_x = szHint.width - sb_w;
670		779
671	if (recalc_x)	780	if (recalc_x)
672	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	781	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
673	- szHint.width - 2 * TermWin.ext_bwidth);
674	if (recalc_y)	782	if (recalc_y)
675	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	783	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
676	- szHint.height - 2 * TermWin.ext_bwidth);
677		784
678	TermWin.ncol = TermWin.width / TermWin.fwidth;	785	ncol = width / fwidth;
679	TermWin.nrow = TermWin.height / TermWin.fheight;	786	nrow = height / fheight;
680	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	787	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
681	TermWin.ncol, TermWin.nrow, szHint.width,	788	ncol, nrow, szHint.width,
682	szHint.height));	789	szHint.height));
683	return;	790	return;
684	}	791	}
685		792
686	/*----------------------------------------------------------------------*/	793	/*----------------------------------------------------------------------*/
…		…
689	* Called after a window size change.	796	* Called after a window size change.
690	*/	797	*/
691	void	798	void
692	rxvt_term::tt_winch ()	799	rxvt_term::tt_winch ()
693	{	800	{
		801	if (pty->pty < 0)
		802	return;
		803
694	struct winsize ws;	804	struct winsize ws;
695		805
696	if (cmd_fd < 0)
697	return;
698
699	ws.ws_col = TermWin.ncol;	806	ws.ws_col = ncol;
700	ws.ws_row = TermWin.nrow;	807	ws.ws_row = nrow;
701	ws.ws_xpixel = ws.ws_ypixel = 0;	808	ws.ws_xpixel = width;
702	#ifndef DEBUG_SIZE	809	ws.ws_ypixel = height;
703	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	810	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
704	#else	811
705	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	812	#if 0
706	D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	813	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
707	# ifdef SIGWINCH
708	else if (cmd_pid) /* force through to the command */	814	if (cmd_pid) /* force through to the command */
709	kill (cmd_pid, SIGWINCH);	815	kill (-cmd_pid, SIGWINCH);
710	# endif
711	#endif	816	#endif
712	}	817	}
713		818
714	/*----------------------------------------------------------------------*/	819	/*----------------------------------------------------------------------*/
715	/* rxvt_change_font () - Switch to a new font */	820	/* set_fonts () - load and set the various fonts
716	/*	821	*
717	* init = 1 - initialize	822	* init = 1 - initialize
718	*	823	*
719	* fontname == FONT_UP - switch to bigger font	824	* fontname == FONT_UP - switch to bigger font
720	* fontname == FONT_DN - switch to smaller font	825	* fontname == FONT_DN - switch to smaller font
721	*/	826	*/
722	void	827	bool
723	rxvt_term::change_font (int init, const char *fontname)	828	rxvt_term::set_fonts ()
724	{}	829	{
		830	rxvt_fontset *fs = new rxvt_fontset (this);
		831	rxvt_fontprop prop;
725		832
726	void	833	if (!fs
727	rxvt_term::font_up_down (int n, int direction)	834	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
728	{}	835	|| !fs->realize_font (1))
		836	{
		837	delete fs;
		838	return false;
		839	}
		840
		841	#if ENABLE_STYLES
		842	for (int i = RS_styleCount; --i; )
		843	if (fontset[i] != fontset[0])
		844	delete fontset[i];
		845	#endif
		846
		847	delete fontset[0];
		848	fontset[0] = fs;
		849
		850	prop = (*fs)[1]->properties ();
		851	prop.height += lineSpace;
		852	fs->set_prop (prop);
		853
		854	fwidth = prop.width;
		855	fheight = prop.height;
		856	fbase = prop.ascent;
		857
		858	for (int style = 1; style < 4; style++)
		859	{
		860	#if ENABLE_STYLES
		861	const char *res = rs[Rs_font + style];
		862
		863	if (res && !*res)
		864	fontset[style] = fontset[0];
		865	else
		866	{
		867	fontset[style] = fs = new rxvt_fontset (this);
		868	rxvt_fontprop prop2 = prop;
		869
		870	if (res)
		871	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		872	else
		873	{
		874	res = fontset[0]->fontdesc;
		875
		876	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		877	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		878	}
		879
		880	fs->populate (res);
		881	fs->set_prop (prop2);
		882	}
		883	#else
		884	fontset[style] = fontset[0];
		885	#endif
		886	}
		887
		888	if (parent[0])
		889	{
		890	resize_all_windows (0, 0, 0);
		891	scr_remap_chars ();
		892	scr_touch (true);
		893	}
		894
		895	return true;
		896	}
		897
		898	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
		899	{
		900	XChangeProperty (display->display, parent[0],
		901	prop, XA_STRING, 8, PropModeReplace,
		902	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		903	}
		904
		905	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		906	{
		907	wchar_t *ws = rxvt_mbstowcs (str, len);
		908	char *s = rxvt_wcstoutf8 (ws);
		909
		910	XChangeProperty (display->display, parent[0],
		911	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		912	(const unsigned char *)s, strlen (s));
		913
		914	free (s);
		915	free (ws);
		916	}
729		917
730	/*----------------------------------------------------------------------*/	918	/*----------------------------------------------------------------------*/
731	/*----------------------------------------------------------------------*/	919	/*----------------------------------------------------------------------*/
732	/* xterm sequences - title, iconName, color (exptl) */	920	/* xterm sequences - title, iconName, color (exptl) */
733	void	921	void
734	rxvt_term::set_title (const char *str)	922	rxvt_term::set_title (const char *str)
735	{	923	{
736	#ifndef SMART_WINDOW_TITLE	924	set_string_property (XA_WM_NAME, str);
737	XStoreName (display->display, TermWin.parent[0], str);	925	#if ENABLE_EWMH
738	#else	926	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	927	#endif
748	}	928	}
749		929
750	void	930	void
751	rxvt_term::set_iconName (const char *str)	931	rxvt_term::set_icon_name (const char *str)
752	{	932	{
753	#ifndef SMART_WINDOW_TITLE	933	set_string_property (XA_WM_ICON_NAME, str);
754	XSetIconName (display->display, TermWin.parent[0], str);	934	#if ENABLE_EWMH
755	#else	935	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	936	#endif
765	}	937	}
766		938
767	#ifdef XTERM_COLOR_CHANGE	939	#ifdef XTERM_COLOR_CHANGE
768	void	940	void
769	rxvt_term::set_window_color (int idx, const char *color)	941	rxvt_term::set_window_color (int idx, const char *color)
770	{	942	{
771	rxvt_color xcol;	943	rxvt_color xcol;
772	int i;	944	int i;
773		945
774	if (color == NULL || *color == '\0')	946	if (color == NULL || *color == '\0')
775	return;	947	return;
776		948
777	/* handle color aliases */	949	/* handle color aliases */
778	if (isdigit (*color))	950	if (isdigit (*color))
779	{	951	{
780	i = atoi (color);	952	i = atoi (color);
		953
781	if (i >= 8 && i <= 15)	954	if (i >= 8 && i <= 15)
782	{ /* bright colors */	955	{ /* bright colors */
783	i -= 8;	956	i -= 8;
784	# ifndef NO_BRIGHTCOLOR
785	PixColors[idx] = PixColors[minBrightCOLOR + i];	957	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
786	SET_PIXCOLOR (idx);	958	SET_PIXCOLOR (idx);
787	goto Done;	959	goto done;
788	# endif
789
790	}	960	}
		961
791	if (i >= 0 && i <= 7)	962	if (i >= 0 && i <= 7)
792	{ /* normal colors */	963	{ /* normal colors */
793	PixColors[idx] = PixColors[minCOLOR + i];	964	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
794	SET_PIXCOLOR (idx);	965	SET_PIXCOLOR (idx);
795	goto Done;	966	goto done;
796	}	967	}
797	}	968	}
		969
798	if (!rXParseAllocColor (& xcol, color))	970	if (!rXParseAllocColor (&xcol, color))
799	return;	971	return;
		972
800	/* XStoreColor (display->display, XCMAP, XColor*); */	973	/* XStoreColor (display->display, display->cmap, XColor*); */
801		974
802	/*	975	/*
803	* FIXME: should free colors here, but no idea how to do it so instead,	976	* FIXME: should free colors here, but no idea how to do it so instead,
804	* so just keep gobbling up the colormap	977	* so just keep gobbling up the colormap
805	*/	978	*/
806	# if 0	979	# if 0
807	for (i = Color_Black; i <= Color_White; i++)	980	for (i = Color_Black; i <= Color_White; i++)
808	if (PixColors[idx] == PixColors[i])	981	if (pix_colors[idx] == pix_colors[i])
809	break;	982	break;
810	if (i > Color_White)	983	if (i > Color_White)
811	{	984	{
812	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */	985	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
813	XFreeColors (display->display, XCMAP, (PixColors + idx), 1,	986	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
814	DisplayPlanes (display->display, display->screen));	987	DisplayPlanes (display->display, display->screen));
815	}	988	}
816	# endif	989	# endif
817		990
818	PixColors[idx] = xcol;	991	pix_colors_focused[idx] = xcol;
819	SET_PIXCOLOR (idx);	992	SET_PIXCOLOR (idx);
820		993
821	/* XSetWindowAttributes attr; */	994	/* XSetWindowAttributes attr; */
822	/* Cursor cursor; */	995	/* Cursor cursor; */
823	Done:	996	done:
824	if (idx == Color_bg && ! (Options & Opt_transparent))
825	XSetWindowBackground (display->display, TermWin.vt,
826	PixColors[Color_bg]);
827		997
		998	#if OFF_FOCUS_FADING
		999	if (rs[Rs_fade])
		1000	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
		1001	#endif
		1002
828	/* handle Color_BD, scrollbar background, etc. */	1003	/*TODO: handle Color_BD, scrollbar background, etc. */
829		1004
830	set_colorfgbg ();
831	recolour_cursor ();	1005	recolour_cursor ();
832	/* the only reasonable way to enforce a clean update */	1006	scr_recolour ();
833	scr_poweron ();
834	}	1007	}
835		1008
836	#else	1009	#else
837	# define set_window_color (idx,color) ((void)0)	1010	# define set_window_color (idx,color) ((void)0)
838	#endif /* XTERM_COLOR_CHANGE */	1011	#endif /* XTERM_COLOR_CHANGE */
839		1012
840	void	1013	void
841	rxvt_term::recolour_cursor ()	1014	rxvt_term::recolour_cursor ()
842	{	1015	{
843	#if TODO
844	rxvt_color xcol[2];	1016	XColor xcol[2];
845		1017
846	xcol[0] = PixColors[Color_pointer];	1018	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
847	xcol[1] = PixColors[Color_bg];	1019	? pix_colors_focused[Color_pointer_fg]
		1020	: pix_colors_focused[Color_fg];
		1021	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		1022	? pix_colors_focused[Color_pointer_bg]
		1023	: pix_colors_focused[Color_bg];
		1024
848	XQueryColors (display->display, XCMAP, xcol, 2);	1025	XQueryColors (display->display, display->cmap, xcol, 2);
849	XRecolorCursor (display->display, TermWin_cursor, & (xcol[0]), & (xcol[1]));	1026	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
850	#endif
851	}	1027	}
852		1028
853	/*----------------------------------------------------------------------*/	1029	/*----------------------------------------------------------------------*/
854	/*	1030	/*
855	* find if fg/bg matches any of the normal (low-intensity) colors	1031	* find if fg/bg matches any of the normal (low-intensity) colors
856	*/	1032	*/
857	void	1033	void
858	rxvt_term::set_colorfgbg ()	1034	rxvt_term::set_colorfgbg ()
859	{	1035	{
860	unsigned int i;	1036	unsigned int i;
861	const char *xpmb = "\0";	1037	const char *xpmb = "\0";
862	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];	1038	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
863		1039
864	env_colorfgbg =
865	(char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);	1040	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
866	STRCPY (fstr, "default");	1041	strcpy (fstr, "default");
867	STRCPY (bstr, "default");	1042	strcpy (bstr, "default");
868	for (i = Color_Black; i <= Color_White; i++)	1043	for (i = Color_Black; i <= Color_White; i++)
869	if (PixColors[Color_fg] == PixColors[i])	1044	if (pix_colors[Color_fg] == pix_colors[i])
870	{	1045	{
871	sprintf (fstr, "%d", (i - Color_Black));	1046	sprintf (fstr, "%d", (i - Color_Black));
872	break;	1047	break;
873	}	1048	}
		1049
874	for (i = Color_Black; i <= Color_White; i++)	1050	for (i = Color_Black; i <= Color_White; i++)
875	if (PixColors[Color_bg] == PixColors[i])	1051	if (pix_colors[Color_bg] == pix_colors[i])
876	{	1052	{
877	sprintf (bstr, "%d", (i - Color_Black));	1053	sprintf (bstr, "%d", (i - Color_Black));
878	#ifdef XPM_BACKGROUND	1054	#ifdef XPM_BACKGROUND
879	xpmb = "default;";	1055	xpmb = "default;";
880	#endif	1056	#endif
881	break;	1057	break;
882	}	1058	}
883		1059
884	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1060	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	}	1061	}
897		1062
898	/*----------------------------------------------------------------------*/	1063	/*----------------------------------------------------------------------*/
899	/*
900	* Colour determination for low colour displays, routine from
901	* Hans de Goede <hans@highrise.nl>
902	*/
903		1064
904	int	1065	int
905	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	1066	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
906	{	1067	{
907	if (!screen_in_out->set (display, colour))	1068	if (!screen_in_out->set (display, colour))
908	{	1069	{
909	rxvt_print_error ("can't allocate colour: %s", colour);	1070	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
910	return false;	1071	return false;
911	}	1072	}
912		1073
913	return true;	1074	return true;
914	}	1075	}
915		1076
916	/* -------------------------------------------------------------------- *	1077	/* -------------------------------------------------------------------- *
917	* - WINDOW RESIZING - *	1078	* - WINDOW RESIZING - *
918	* -------------------------------------------------------------------- */	1079	* -------------------------------------------------------------------- */
919	void	1080	void
920	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	1081	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
921	{	1082	{
922	int fix_screen;	1083	int fix_screen;
923
924	#ifdef SMART_RESIZE
925	int old_width = szHint.width, old_height = szHint.height;	1084	int old_width = szHint.width, old_height = szHint.height;
926	#endif	1085	dDisp;
927		1086
928	window_calc (width, height);	1087	window_calc (newwidth, newheight);
929	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	1088	XSetWMNormalHints (disp, parent[0], &szHint);
		1089
930	if (!ignoreparent)	1090	if (!ignoreparent)
931	{	1091	{
932	#ifdef SMART_RESIZE	1092	#ifdef SMART_RESIZE
933	/*	1093	/*
934	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1094	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
937	int x, y, x1, y1;	1097	int x, y, x1, y1;
938	int dx, dy;	1098	int dx, dy;
939	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1099	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
940	Window unused_cr;	1100	Window unused_cr;
941		1101
942	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	1102	XTranslateCoordinates (disp, parent[0], display->root,
943	0, 0, &x, &y, &unused_cr);	1103	0, 0, &x, &y, &unused_cr);
944	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	1104	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
945	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1105	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
946	/*	1106	/*
947	* if display->root isn't the parent window, a WM will probably have offset	1107	* if display->root isn't the parent window, a WM will probably have offset
948	* our position for handles and decorations. Counter it	1108	* our position for handles and decorations. Counter it
949	*/	1109	*/
…		…
951	{	1111	{
952	x -= x1;	1112	x -= x1;
953	y -= y1;	1113	y -= y1;
954	}	1114	}
955		1115
956	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	1116	x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
957	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	1117	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
958	dx = old_width - szHint.width;	1118	dx = old_width - szHint.width;
959	dy = old_height - szHint.height;	1119	dy = old_height - szHint.height;
960		1120
961	/* Check position of the center of the window */	1121	/* Check position of the center of the window */
962	if (x < x1) /* left half */	1122	if (x < x1) /* left half */
…		…
966	if (y < y1) /* top half */	1126	if (y < y1) /* top half */
967	dy = 0;	1127	dy = 0;
968	else if (y == y1) /* exact center */	1128	else if (y == y1) /* exact center */
969	dy /= 2;	1129	dy /= 2;
970		1130
971	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	1131	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
972	szHint.width, szHint.height);	1132	szHint.width, szHint.height);
973	#else	1133	#else
974	XResizeWindow (display->display, TermWin.parent[0], szHint.width,	1134	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
975	szHint.height);
976	#endif	1135	#endif
977
978	}	1136	}
979		1137
980	fix_screen = (TermWin.ncol != prev_ncol	1138	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
981	|| TermWin.nrow != prev_nrow);
982		1139
983	if (fix_screen || width != old_width || height != old_height)	1140	if (fix_screen || newwidth != old_width || newheight != old_height)
984	{	1141	{
985	if (scrollbar_visible ())	1142	if (scrollBar.state)
986	{	1143	{
987	XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,	1144	XMoveResizeWindow (disp, scrollBar.win,
		1145	window_sb_x, 0,
988	0, scrollbar_TotalWidth (), szHint.height);	1146	scrollbar_TotalWidth (), szHint.height);
989	resize_scrollbar ();	1147	resize_scrollbar ();
990	}	1148	}
991		1149
992	if (menubar_visible ())	1150	XMoveResizeWindow (disp, vt,
993	XMoveResizeWindow (display->display, menuBar.win, window_vt_x,	1151	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 ());	1152	width, height);
999	#ifdef RXVT_GRAPHICS	1153
1000	if (old_height)
1001	Gr_Resize (old_width - szHint.base_width,
1002	old_height - szHint.base_height);
1003	#endif
1004	scr_clear ();	1154	scr_clear ();
1005	#ifdef XPM_BACKGROUND	1155	#ifdef XPM_BACKGROUND
1006	resize_pixmap ();	1156	resize_pixmap ();
1007	#endif	1157	#endif
1008
1009	}	1158	}
1010		1159
1011	if (fix_screen || old_height == 0)	1160	if (fix_screen || old_height == 0)
1012	{	1161	{
1013	int curr_screen = -1;	1162	int curr_screen = -1;
1014	int old_ncol = prev_ncol;	1163	int old_ncol = prev_ncol;
1015		1164
1016	/* scr_reset only works on the primary screen */	1165	/* scr_reset only works on the primary screen */
1017	if (old_height) /* this is not the first time through */	1166	if (old_height) /* this is not the first time through */
1018	{	1167	{
1019	unsigned int ncol = TermWin.ncol;	1168	unsigned int ocol = ncol;
1020	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this	1169	ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1021	curr_screen = scr_change_screen (PRIMARY);	1170	curr_screen = scr_change_screen (PRIMARY);
1022	TermWin.ncol = ncol;	1171	ncol = ocol;
1023	}	1172	}
1024		1173
1025	scr_reset ();	1174	scr_reset ();
1026		1175
1027	if (curr_screen >= 0) /* this is not the first time through */	1176	if (curr_screen >= 0) /* this is not the first time through */
1028	{	1177	{
1029	scr_change_screen (curr_screen);	1178	scr_change_screen (curr_screen);
1030	selection_check (old_ncol != TermWin.ncol ? 4 : 0);	1179	selection_check (old_ncol != ncol ? 4 : 0);
1031	}	1180	}
1032	}	1181	}
1033		1182
1034	old_width = szHint.width;	1183	old_width = szHint.width;
1035	old_height = szHint.height;	1184	old_height = szHint.height;
		1185
		1186	#ifdef XPM_BACKGROUND
		1187	if (pixmap)
		1188	scr_touch (false);
		1189	#endif
1036		1190
1037	#ifdef USE_XIM	1191	#ifdef USE_XIM
1038	IMSetStatusPosition ();	1192	IMSetStatusPosition ();
1039	#endif	1193	#endif
1040	}	1194	}
…		…
1042	/*	1196	/*
1043	* Set the width/height of the vt window in characters. Units are pixels.	1197	* Set the width/height of the vt window in characters. Units are pixels.
1044	* good for toggling 80/132 columns	1198	* good for toggling 80/132 columns
1045	*/	1199	*/
1046	void	1200	void
1047	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1201	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1048	{	1202	{
1049	XWindowAttributes wattr;	1203	XWindowAttributes wattr;
1050		1204
1051	if (width == 0 || height == 0)	1205	if (newwidth == 0 || newheight == 0)
1052	{	1206	{
1053	XGetWindowAttributes (display->display, display->root, &wattr);	1207	XGetWindowAttributes (display->display, display->root, &wattr);
		1208
1054	if (width == 0)	1209	if (newwidth == 0)
1055	width = wattr.width - szHint.base_width;	1210	newwidth = wattr.width - szHint.base_width;
1056	if (height == 0)	1211	if (newheight == 0)
1057	height = wattr.height - szHint.base_height;	1212	newheight = wattr.height - szHint.base_height;
1058	}
1059	if (width != TermWin.width || height != TermWin.height)
1060	{	1213	}
		1214
		1215	if (newwidth != width || newheight != height)
		1216	{
1061	width += szHint.base_width;	1217	newwidth += szHint.base_width;
1062	height += szHint.base_height;	1218	newheight += szHint.base_height;
1063	resize_all_windows (width, height, 0);	1219	resize_all_windows (newwidth, newheight, 0);
1064	}	1220	}
1065	}	1221	}
1066		1222
1067	/* -------------------------------------------------------------------- *	1223	/* -------------------------------------------------------------------- *
1068	* - X INPUT METHOD ROUTINES - *	1224	* - X INPUT METHOD ROUTINES - *
1069	* -------------------------------------------------------------------- */	1225	* -------------------------------------------------------------------- */
1070	#ifdef USE_XIM	1226	#ifdef USE_XIM
1071		1227
1072	void	1228	void
		1229	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
		1230	{
		1231	fg = pix_colors[Color_fg];
		1232	bg = pix_colors[Color_bg];
		1233	}
		1234
		1235	void
1073	rxvt_term::im_set_size (XRectangle *size)	1236	rxvt_term::im_set_size (XRectangle &size)
1074	{	1237	{
1075	size->x = TermWin.int_bwidth;	1238	// the int_bwidth terms make no sense to me
1076	size->y = TermWin.int_bwidth;	1239	size.x = int_bwidth;
1077	size->width = Width2Pixel (TermWin.ncol);	1240	size.y = int_bwidth;
1078	size->height = Height2Pixel (TermWin.nrow);	1241	size.width = Width2Pixel (ncol) + int_bwidth;
		1242	size.height = Height2Pixel (nrow) + int_bwidth;
1079	}	1243	}
1080		1244
1081	void	1245	void
1082	rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)	1246	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1247	XRectangle &status_rect,
		1248	const XRectangle &needed_rect)
1083	{	1249	{
1084	*fg = PixColors[Color_fg];	1250	preedit_rect.x = needed_rect.width;
1085	*bg = PixColors[Color_bg];	1251	preedit_rect.y = 0;
		1252	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1253	preedit_rect.height = fheight;
		1254
		1255	status_rect.x = 0;
		1256	status_rect.y = 0;
		1257	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1258	status_rect.height = fheight;
1086	}	1259	}
1087		1260
1088	/* Checking whether input method is running. */	1261	/* Checking whether input method is running. */
1089	bool	1262	bool
1090	rxvt_term::IMisRunning ()	1263	rxvt_term::IMisRunning ()
1091	{	1264	{
1092	char *p;	1265	char *p;
1093	Atom atom;	1266	Atom atom;
1094	Window win;	1267	Window win;
1095	char server[IMBUFSIZ];	1268	char server[IMBUFSIZ];
1096		1269
1097	/* get current locale modifier */	1270	/* get current locale modifier */
1098	if ((p = XSetLocaleModifiers (NULL)) != NULL)	1271	if ((p = XSetLocaleModifiers (NULL)) != NULL)
1099	{	1272	{
1100	STRCPY (server, "@server=");	1273	strcpy (server, "@server=");
1101	STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1274	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1275
1102	if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */	1276	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1103	*p = '\0';	1277	*p = '\0';
1104		1278
1105	atom = XInternAtom (display->display, server, False);	1279	atom = XInternAtom (display->display, server, False);
1106	win = XGetSelectionOwner (display->display, atom);	1280	win = XGetSelectionOwner (display->display, atom);
		1281
1107	if (win != None)	1282	if (win != None)
1108	return True;	1283	return True;
1109	}	1284	}
		1285
1110	return False;	1286	return False;
1111	}	1287	}
1112		1288
1113	void	1289	void
1114	rxvt_term::IMSendSpot ()	1290	rxvt_term::IMSendSpot ()
1115	{	1291	{
1116	XPoint spot;	1292	XPoint nspot;
1117	XVaNestedList preedit_attr;	1293	XVaNestedList preedit_attr;
1118		1294
1119	if (Input_Context == NULL	1295	if (!Input_Context
		1296	|| !focus
1120	|| !TermWin.focus || ! (input_style & XIMPreeditPosition)	1297	|| !(input_style & XIMPreeditPosition))
1121	|| ! (event_type == KeyPress
1122	|| event_type == Expose
1123	|| event_type == NoExpose
1124	|| event_type == SelectionNotify
1125	|| event_type == ButtonRelease || event_type == FocusIn)
1126	|| !IMisRunning ())
1127	return;	1298	return;
1128		1299
1129	im_set_position (&spot);	1300	im_set_position (nspot);
		1301
		1302	if (nspot.x == spot.x && nspot.y == spot.y)
		1303	return;
		1304
		1305	spot = nspot;
1130		1306
1131	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);	1307	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1132	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1308	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1133	XFree (preedit_attr);	1309	XFree (preedit_attr);
1134	}	1310	}
1135		1311
1136	void	1312	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 ()	1313	rxvt_term::im_destroy ()
1163	{	1314	{
1164	if (Input_Context)
1165	{
1166	XDestroyIC (Input_Context);
1167	Input_Context = NULL;
1168	}
1169
1170	if (input_method)	1315	if (input_method)
1171	{	1316	{
		1317	if (Input_Context && input_method->xim)
		1318	XDestroyIC (Input_Context);
		1319
1172	display->put_xim (input_method);	1320	display->put_xim (input_method);
1173	input_method = 0;	1321	input_method = 0;
1174	}	1322	}
		1323
		1324	Input_Context = 0;
1175	}	1325	}
1176		1326
1177	/*	1327	/*
1178	* Try to open a XIM with the current modifiers, then see if we can	1328	* Try to open a XIM with the current modifiers, then see if we can
1179	* open a suitable preedit type	1329	* open a suitable preedit type
1180	*/	1330	*/
1181	bool	1331	bool
1182	rxvt_term::IM_get_IC (const char *modifiers)	1332	rxvt_term::IM_get_IC (const char *modifiers)
1183	{	1333	{
1184	int i, j, found;	1334	int i, j, found;
1185	XIM xim;	1335	XIM xim;
1186	XPoint spot;	1336	XPoint spot;
1187	XRectangle rect, status_rect, needed_rect;	1337	XRectangle rect, status_rect, needed_rect;
1188	unsigned long fg, bg;	1338	unsigned long fg, bg;
1189	const char *p;	1339	const char *p;
1190	char **s;	1340	char **s;
1191	XIMStyles *xim_styles;	1341	XIMStyles *xim_styles;
1192	XVaNestedList preedit_attr, status_attr;	1342
		1343	set_environ (envv);
1193		1344
1194	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))	1345	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1195	return false;	1346	return false;
1196		1347
1197	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));	1348	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1198	input_method = display->get_xim (locale, modifiers);	1349	input_method = display->get_xim (locale, modifiers);
1199	if (input_method == NULL)	1350	if (input_method == NULL)
1200	return false;	1351	return false;
1201		1352
1202	xim = input_method->xim;	1353	xim = input_method->xim;
		1354	spot.x = spot.y = -1;
1203		1355
1204	xim_styles = NULL;	1356	xim_styles = NULL;
1205	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1357	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1206	|| !xim_styles || !xim_styles->count_styles)	1358	|| !xim_styles || !xim_styles->count_styles)
1207	{	1359	{
1208	display->put_xim (input_method);	1360	im_destroy ();
1209	return false;	1361	return false;
1210	}	1362	}
1211		1363
1212	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";	1364	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1365
		1366	for (int pi = 0; pi < 2; pi++)
		1367	{
		1368	p = pet[pi];
		1369
		1370	if (!p)
		1371	continue;
		1372
1213	s = rxvt_splitcommastring (p);	1373	s = rxvt_splitcommastring (p);
		1374
1214	for (i = found = 0; !found && s[i]; i++)	1375	for (i = found = 0; !found && s[i]; i++)
1215	{	1376	{
1216	if (!STRCMP (s[i], "OverTheSpot"))	1377	if (!strcmp (s[i], "OverTheSpot"))
1217	input_style = (XIMPreeditPosition | XIMStatusNothing);	1378	input_style = (XIMPreeditPosition | XIMStatusNothing);
1218	else if (!STRCMP (s[i], "OffTheSpot"))	1379	else if (!strcmp (s[i], "OffTheSpot"))
1219	input_style = (XIMPreeditArea | XIMStatusArea);	1380	input_style = (XIMPreeditArea | XIMStatusArea);
1220	else if (!STRCMP (s[i], "Root"))	1381	else if (!strcmp (s[i], "Root"))
1221	input_style = (XIMPreeditNothing | XIMStatusNothing);	1382	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1383	else if (!strcmp (s[i], "None"))
		1384	input_style = (XIMPreeditNone | XIMStatusNone);
1222		1385
1223	for (j = 0; j < xim_styles->count_styles; j++)	1386	for (j = 0; j < xim_styles->count_styles; j++)
1224	if (input_style == xim_styles->supported_styles[j])	1387	if (input_style == xim_styles->supported_styles[j])
1225	{	1388	{
		1389	rxvt_freecommastring (s);
		1390
1226	found = 1;	1391	found = 1;
1227	break;	1392	goto foundpet;
		1393	}
		1394
1228	}	1395	}
1229	}
1230		1396
1231	for (i = 0; s[i]; i++)	1397	rxvt_freecommastring (s);
1232	free (s[i]);	1398	}
1233		1399
1234	free (s);	1400	foundpet:
		1401
1235	XFree (xim_styles);	1402	XFree (xim_styles);
1236		1403
1237	if (!found)	1404	if (!found)
1238	{	1405	{
1239	display->put_xim (input_method);	1406	im_destroy ();
1240	return false;	1407	return false;
1241	}	1408	}
1242		1409
1243	preedit_attr = status_attr = NULL;	1410	XFontSet fs = 0;
		1411	XVaNestedList preedit_attr = 0, status_attr = 0;
		1412
		1413	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1414	{
		1415	// fake us a font-set, please
		1416	char **missing_charset_list;
		1417	int missing_charset_count;
		1418	char *def_string;
		1419	char pat[512];
		1420
		1421	sprintf (pat,
		1422	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1423	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1424	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1425	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1426	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1427	"*",
		1428	fheight,
		1429	fheight + 1, fheight - 1,
		1430	fheight - 2, fheight + 2);
		1431
		1432	fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1433	&missing_charset_list, &missing_charset_count, &def_string);
		1434
		1435	if (missing_charset_list)
		1436	XFreeStringList (missing_charset_list);
		1437
		1438	if (!fs)
		1439	{
		1440	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1441	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1442	}
		1443	}
1244		1444
1245	if (input_style & XIMPreeditPosition)	1445	if (input_style & XIMPreeditPosition)
1246	{	1446	{
1247	im_set_size (&rect);	1447	im_set_size (rect);
1248	im_set_position (&spot);	1448	im_set_position (spot);
1249	im_set_color (&fg, &bg);	1449	im_set_color (fg, bg);
1250		1450
1251	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1451	preedit_attr = XVaCreateNestedList (0,
		1452	XNForeground, fg,
		1453	XNBackground, bg,
		1454	XNArea, &rect,
1252	XNSpotLocation, &spot,	1455	XNSpotLocation, &spot,
1253	XNForeground, fg, XNBackground, bg,
1254	//XNFontSet, TermWin.fontset,	1456	XNFontSet, fs,
1255	NULL);	1457	NULL);
1256	}	1458	}
1257	else if (input_style & XIMPreeditArea)	1459	else if (input_style & XIMPreeditArea)
1258	{	1460	{
1259	im_set_color (&fg, &bg);	1461	im_set_color (fg, bg);
1260		1462
1261	/*	1463	/*
1262	* The necessary width of preedit area is unknown	1464	* The necessary width of preedit area is unknown
1263	* until create input context.	1465	* until create input context.
1264	*/	1466	*/
1265	needed_rect.width = 0;	1467	needed_rect.width = 0;
1266
1267	im_set_preedit_area (&rect, &status_rect, &needed_rect);	1468	im_set_preedit_area (rect, status_rect, needed_rect);
1268		1469
1269	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1470	preedit_attr = XVaCreateNestedList (0,
		1471	XNForeground, fg,
1270	XNForeground, fg, XNBackground, bg,	1472	XNBackground, bg,
		1473	XNArea, &rect,
		1474	XNFontSet, fs,
		1475	NULL);
		1476	status_attr = XVaCreateNestedList (0,
		1477	XNForeground, fg,
		1478	XNBackground, bg,
		1479	XNArea, &status_rect,
1271	//XNFontSet, TermWin.fontset,	1480	XNFontSet, fs,
1272	NULL);	1481	NULL);
1273	status_attr = XVaCreateNestedList (0, XNArea, &status_rect,
1274	XNForeground, fg, XNBackground, bg,
1275	//XNFontSet, TermWin.fontset,
1276	NULL);
1277	}	1482	}
1278		1483
1279	Input_Context = XCreateIC (xim, XNInputStyle, input_style,	1484	Input_Context = XCreateIC (xim,
		1485	XNInputStyle, input_style,
1280	XNClientWindow, TermWin.parent[0],	1486	XNClientWindow, vt,
1281	XNFocusWindow, TermWin.parent[0],	1487	XNFocusWindow, parent[0],
1282	preedit_attr ? XNPreeditAttributes : NULL,	1488	preedit_attr ? XNPreeditAttributes : NULL,
1283	preedit_attr,	1489	preedit_attr,
1284	status_attr ? XNStatusAttributes : NULL,	1490	status_attr ? XNStatusAttributes : NULL,
1285	status_attr, NULL);	1491	status_attr, NULL);
		1492
1286	if (preedit_attr) XFree (preedit_attr);	1493	if (preedit_attr) XFree (preedit_attr);
1287	if (status_attr) XFree (status_attr);	1494	if (status_attr) XFree (status_attr);
		1495	if (fs) XFreeFontSet (display->display, fs);
1288		1496
1289	if (Input_Context == NULL)	1497	if (Input_Context == NULL)
1290	{	1498	{
1291	rxvt_print_error ("failed to create input context");	1499	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1292	display->put_xim (input_method);	1500	im_destroy ();
1293	return false;	1501	return false;
1294	}	1502	}
1295		1503
1296	if (input_style & XIMPreeditArea)	1504	if (input_style & XIMPreeditArea)
1297	IMSetStatusPosition ();	1505	IMSetStatusPosition ();
…		…
1301	}	1509	}
1302		1510
1303	void	1511	void
1304	rxvt_term::im_cb ()	1512	rxvt_term::im_cb ()
1305	{	1513	{
1306	int i, found, had_im;	1514	int i;
1307	const char *p;	1515	const char *p;
1308	char **s;	1516	char **s;
1309	char buf[IMBUFSIZ];	1517	char buf[IMBUFSIZ];
1310		1518
		1519	make_current ();
		1520
1311	im_destroy ();	1521	im_destroy ();
1312		1522
1313	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));	1523	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1314	if (Input_Context)	1524	if (Input_Context)
1315	return;	1525	return;
…		…
1323	if (p && *p)	1533	if (p && *p)
1324	{	1534	{
1325	bool found = false;	1535	bool found = false;
1326		1536
1327	s = rxvt_splitcommastring (p);	1537	s = rxvt_splitcommastring (p);
		1538
1328	for (i = 0; s[i]; i++)	1539	for (i = 0; s[i]; i++)
1329	{	1540	{
1330	if (*s[i])	1541	if (*s[i])
1331	{	1542	{
1332	STRCPY (buf, "@im=");	1543	strcpy (buf, "@im=");
1333	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1544	strncat (buf, s[i], IMBUFSIZ - 5);
1334	if (IM_get_IC (buf))	1545	if (IM_get_IC (buf))
1335	{	1546	{
1336	found = true;	1547	found = true;
1337	break;	1548	break;
1338	}	1549	}
1339	}	1550	}
1340	}	1551	}
1341	for (i = 0; s[i]; i++)	1552
1342	free (s[i]);	1553	rxvt_freecommastring (s);
1343	free (s);
1344		1554
1345	if (found)	1555	if (found)
1346	goto done;	1556	goto done;
1347	}	1557	}
1348		1558
…		…
1362	}	1572	}
1363		1573
1364	void	1574	void
1365	rxvt_term::IMSetStatusPosition ()	1575	rxvt_term::IMSetStatusPosition ()
1366	{	1576	{
1367	XRectangle preedit_rect, status_rect, *needed_rect;	1577	XRectangle preedit_rect, status_rect, *needed_rect;
1368	XVaNestedList preedit_attr, status_attr;	1578	XVaNestedList preedit_attr, status_attr;
1369		1579
1370	if (Input_Context == NULL	1580	if (!Input_Context
		1581	|| !focus
1371	|| !TermWin.focus || ! (input_style & XIMPreeditArea)	1582	|| !(input_style & XIMPreeditArea)
1372	|| !IMisRunning ())	1583	|| !IMisRunning ())
1373	return;	1584	return;
1374		1585
1375	/* Getting the necessary width of preedit area */	1586	/* Getting the necessary width of preedit area */
1376	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);	1587	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1377	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);	1588	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1378	XFree (status_attr);	1589	XFree (status_attr);
1379		1590
1380	im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);	1591	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1592	XFree (needed_rect);
1381		1593
1382	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);	1594	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1383	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);	1595	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1384		1596
1385	XSetICValues (Input_Context,	1597	XSetICValues (Input_Context,
1386	XNPreeditAttributes, preedit_attr,	1598	XNPreeditAttributes, preedit_attr,
1387	XNStatusAttributes, status_attr, NULL);	1599	XNStatusAttributes, status_attr, NULL);
1388		1600
1389	XFree (preedit_attr);	1601	XFree (preedit_attr);
1390	XFree (status_attr);	1602	XFree (status_attr);
1391	}	1603	}
1392	#endif /* USE_XIM */	1604	#endif /* USE_XIM */

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