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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.39 by pcg, Sat Feb 21 22:14:00 2004 UTC vs.
Revision 1.191 by root, Fri Jan 20 10:27:08 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) 2003-2004 Marc Lehmann <pcg@goof.com>	16	* Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
17	*	17	*
18	* 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
19	* 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
20	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
…		…
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
32		32
33	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	35	#include "keyboard.h"
		36	#include "rxvtperl.h"
36		37
		38	#include <limits>
		39
37	#include <signal.h>	40	#include <csignal>
		41	#include <cstring>
38		42
39	#ifdef TTY_GID_SUPPORT	43	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>	44	# include <grp.h>
41	#endif	45	#endif
42		46
43	#ifdef HAVE_TERMIOS_H	47	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	48	# include <termios.h>
45	#endif	49	#endif
46		50
47	#include <cstring>	51	vector<rxvt_term *> rxvt_term::termlist;
48		52
		53	// used to tell global functions which terminal instance is "active"
		54	rxvt_t rxvt_current_term;
		55
49	static char curlocale[128];	56	static char curlocale[128], savelocale[128];
50		57
51	void	58	bool
52	rxvt_set_locale (const char *locale)	59	rxvt_set_locale (const char *locale) NOTHROW
53	{	60	{
54	if (locale && STRNCMP (locale, curlocale, 128))	61	if (!locale || !strncmp (locale, curlocale, 128))
55	{	62	return false;
		63
56	STRNCPY (curlocale, locale, 128);	64	strncpy (curlocale, locale, 128);
57	setlocale (LC_CTYPE, curlocale);	65	setlocale (LC_CTYPE, curlocale);
58	}	66	return true;
59	}	67	}
60		68
61	void *	69	void
62	rxvt_term::operator new (size_t s)	70	rxvt_push_locale (const char *locale) NOTHROW
63	{	71	{
64	void *p = malloc (s);	72	strcpy (savelocale, curlocale);
		73	rxvt_set_locale (locale);
		74	}
65		75
66	MEMSET (p, 0, s);	76	void
		77	rxvt_pop_locale () NOTHROW
		78	{
		79	rxvt_set_locale (savelocale);
		80	}
		81
		82	#if ENABLE_COMBINING
		83	class rxvt_composite_vec rxvt_composite;
		84
		85	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		86	{
		87	compose_char *cc;
		88
		89	// break compose chains, as stupid readline really likes to duplicate
		90	// composing characters for some reason near the end of a line.
		91	cc = (*this)[c1];
		92	while (cc)
		93	{
		94	if (cc->c2 == c2) return c1;
		95	cc = (*this)[cc->c1];
		96	}
		97
		98	// check to see wether this combination already exists otherwise
		99	for (cc = v.end (); cc-- > v.begin (); )
		100	{
		101	if (cc->c1 == c1 && cc->c2 == c2)
		102	return COMPOSE_LO + (cc - v.begin ());
		103	}
		104
		105	// allocate a new combination
		106	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		107	{
		108	static int seen;
		109
		110	if (!seen++)
		111	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		112
		113	return REPLACEMENT_CHAR;
		114	}
		115
		116	v.push_back (compose_char (c1, c2));
		117
		118	return v.size () - 1 + COMPOSE_LO;
		119	}
		120
		121	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		122	{
		123	compose_char *cc = (*this)[c];
		124
		125	if (!cc)
		126	{
		127	if (r) *r = c;
		128	return 1;
		129	}
		130
		131	int len = expand (cc->c1, r);
		132
		133	if (r) r += len;
		134
		135	if (cc->c2 != NOCHAR)
		136	{
		137	len++;
		138	if (r) *r++ = cc->c2;
		139	}
		140
67	return p;	141	return len;
68	}
69		142
70	void
71	rxvt_term::operator delete (void *p, size_t s)
72	{
73	free (p);
74	}	143	}
		144	#endif
75		145
76	rxvt_term::rxvt_term ()	146	rxvt_term::rxvt_term ()
77	:	147	:
		148	#if TRANSPARENT
78	rootwin_ev (this, &rxvt_term::rootwin_cb),	149	rootwin_ev (this, &rxvt_term::rootwin_cb),
		150	#endif
		151	#ifdef HAVE_SCROLLBARS
		152	scrollbar_ev (this, &rxvt_term::x_cb),
		153	#endif
		154	#ifdef CURSOR_BLINK
		155	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
		156	#endif
		157	#ifdef TEXT_BLINK
		158	text_blink_ev (this, &rxvt_term::text_blink_cb),
		159	#endif
		160	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		161	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
		162	#endif
		163	#ifdef SELECTION_SCROLLING
		164	sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
		165	#endif
		166	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		167	slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
		168	#endif
		169	#ifdef POINTER_BLANK
		170	pointer_ev (this, &rxvt_term::pointer_cb),
		171	#endif
		172	#ifdef USE_XIM
		173	im_ev (this, &rxvt_term::im_cb),
		174	#endif
79	termwin_ev (this, &rxvt_term::x_cb),	175	termwin_ev (this, &rxvt_term::x_cb),
80	vt_ev (this, &rxvt_term::x_cb),	176	vt_ev (this, &rxvt_term::x_cb),
81	#ifdef HAVE_SCROLLBARS
82	scrollbar_ev (this, &rxvt_term::x_cb),
83	#endif
84	#ifdef MENUBAR
85	menubar_ev (this, &rxvt_term::x_cb), fixme
86	#endif
87	#ifdef CURSOR_BLINK
88	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
89	#endif
90	#ifdef TEXT_BLINK
91	text_blink_ev (this, &rxvt_term::text_blink_cb),
92	#endif
93	#ifdef POINTER_BLANK
94	pointer_ev (this, &rxvt_term::pointer_cb),
95	#endif
96	#ifdef USE_XIM
97	im_ev (this, &rxvt_term::im_cb),	177	child_ev (this, &rxvt_term::child_cb),
98	#endif
99	check_ev (this, &rxvt_term::check_cb),	178	check_ev (this, &rxvt_term::check_cb),
		179	flush_ev (this, &rxvt_term::flush_cb),
100	destroy_ev (this, &rxvt_term::destroy_cb),	180	destroy_ev (this, &rxvt_term::destroy_cb),
101	pty_ev (this, &rxvt_term::pty_cb),	181	pty_ev (this, &rxvt_term::pty_cb),
102	incr_ev (this, &rxvt_term::incr_cb)	182	incr_ev (this, &rxvt_term::incr_cb)
103	{	183	{
104	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	184	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		185
		186	termlist.push_back (this);
		187
		188	#ifdef KEYSYM_RESOURCE
		189	keyboard = new keyboard_manager;
		190	#endif
		191	}
		192
		193	// clean up the most important stuff, do *not* call x or free mem etc.
		194	// for use before an emergency exit
		195	void rxvt_term::emergency_cleanup ()
		196	{
		197	if (cmd_pid)
		198	kill (-cmd_pid, SIGHUP);
		199
		200	delete pty; pty = 0;
105	}	201	}
106		202
107	rxvt_term::~rxvt_term ()	203	rxvt_term::~rxvt_term ()
108	{	204	{
109	if (cmd_fd >= 0)	205	termlist.erase (find (termlist.begin (), termlist.end(), this));
110	close (cmd_fd);
111		206
112	#ifndef NO_SETOWNER_TTYDEV	207	emergency_cleanup ();
113	privileged_ttydev (RESTORE);
114	#endif
115	#ifdef UTMP_SUPPORT
116	privileged_utmp (RESTORE);
117	#endif
118		208
		209	#if ENABLE_STYLES
		210	for (int i = RS_styleCount; --i; )
		211	if (fontset[i] != fontset[0])
		212	delete fontset[i];
		213	#endif
119	delete TermWin.fontset;	214	delete fontset[0];
120		215
121	if (display)	216	if (display)
		217	{
		218	dDisp;
		219
		220	selection_clear ();
		221
		222	#ifdef USE_XIM
		223	im_destroy ();
		224	#endif
		225	#ifdef XTERM_SCROLLBAR
		226	if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
		227	if (ShadowGC) XFreeGC (disp, ShadowGC);
		228	#endif
		229	#ifdef PLAIN_SCROLLBAR
		230	if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
		231	#endif
		232	#ifdef NEXT_SCROLLBAR
		233	if (blackGC) XFreeGC (disp, blackGC);
		234	if (whiteGC) XFreeGC (disp, whiteGC);
		235	if (grayGC) XFreeGC (disp, grayGC);
		236	if (darkGC) XFreeGC (disp, darkGC);
		237	if (stippleGC) XFreeGC (disp, stippleGC);
		238	if (dimple) XFreePixmap (disp, dimple);
		239	if (upArrow) XFreePixmap (disp, upArrow);
		240	if (downArrow) XFreePixmap (disp, downArrow);
		241	if (upArrowHi) XFreePixmap (disp, upArrowHi);
		242	if (downArrowHi) XFreePixmap (disp, downArrowHi);
		243	#endif
		244	#ifdef RXVT_SCROLLBAR
		245	if (topShadowGC) XFreeGC (disp, topShadowGC);
		246	if (botShadowGC) XFreeGC (disp, botShadowGC);
		247	if (scrollbarGC) XFreeGC (disp, scrollbarGC);
		248	#endif
		249	if (gc) XFreeGC (disp, gc);
		250
		251	delete drawable;
		252	// destroy all windows
122	if (TermWin.parent[0])	253	if (parent[0])
123	XDestroyWindow (display->display, TermWin.parent[0]);	254	XDestroyWindow (disp, parent[0]);
		255	}
124		256
125	// TODO: free pixcolours, colours should become part of rxvt_display	257	// TODO: free pixcolours, colours should become part of rxvt_display
126		258	delete pix_colors_focused;
127	delete PixColors;	259	#if OFF_FOCUS_FADING
		260	delete pix_colors_unfocused;
		261	#endif
128		262
129	displays.put (display);	263	displays.put (display);
130		264
131	scr_release ();	265	scr_release ();
132		266
		267	/* clear all resources */
		268	for (int i = 0; i < allocated.size (); i++)
		269	free (allocated [i]);
		270
		271	free (selection.text);
		272	// TODO: manage env vars in child only(!)
133	free (env_windowid);	273	free (env_windowid);
134	free (env_display);	274	free (env_display);
135	free (env_term);	275	free (env_term);
136	free (env_colorfgbg);	276	free (env_colorfgbg);
137	free (locale);	277	free (locale);
138	free (codeset);	278	free (v_buffer);
		279	free (incr_buf);
139		280
140	delete envv;	281	delete envv;
141	delete argv;	282	delete argv;
		283
		284	#ifdef KEYSYM_RESOURCE
		285	delete keyboard;
		286	#endif
		287	}
		288
		289	// child has exited, usually destroys
		290	void
		291	rxvt_term::child_cb (child_watcher &w, int status)
		292	{
		293	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		294
		295	cmd_pid = 0;
		296
		297	if (!OPTION (Opt_hold))
		298	destroy ();
142	}	299	}
143		300
144	void	301	void
145	rxvt_term::destroy ()	302	rxvt_term::destroy ()
146	{	303	{
		304	if (destroy_ev.active)
		305	return;
		306
		307	if (HOOK_INVOKE ((this, HOOK_DESTROY, DT_END)))
		308	return;
		309
		310	#if ENABLE_OVERLAY
		311	scr_overlay_off ();
		312	#endif
		313
147	if (display)	314	if (display)
148	{	315	{
		316	#if USE_XIM
		317	im_ev.stop (display);
		318	#endif
		319	#if HAVE_SCROLLBARS
		320	scrollbar_ev.stop (display);
		321	#endif
		322	#if TRANSPARENT
149	rootwin_ev.stop (display);	323	rootwin_ev.stop (display);
		324	#endif
		325	incr_ev.stop ();
150	termwin_ev.stop (display);	326	termwin_ev.stop (display);
151	vt_ev.stop (display);	327	vt_ev.stop (display);
152	#ifdef USE_XIM
153	im_destroy ();
154	im_ev.stop (display);
155	#endif
156	#ifdef HAVE_SCROLLBARS
157	scrollbar_ev.stop (display);
158	#endif
159	#ifdef MENUBAR
160	menubar_ev.stop (display);
161	#endif
162	}	328	}
163		329
164	check_ev.stop ();	330	check_ev.stop ();
165	pty_ev.stop ();	331	pty_ev.stop ();
166	#ifdef CURSOR_BLINK	332	#ifdef CURSOR_BLINK
167	cursor_blink_ev.stop ();	333	cursor_blink_ev.stop ();
168	#endif	334	#endif
169	#ifdef TEXT_BLINK	335	#ifdef TEXT_BLINK
170	text_blink_ev.stop ();	336	text_blink_ev.stop ();
171	#endif	337	#endif
		338	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		339	cont_scroll_ev.stop ();
		340	#endif
		341	#ifdef SELECTION_SCROLLING
		342	sel_scroll_ev.stop ();
		343	#endif
172	#ifdef POINTER_BLANK	344	#ifdef POINTER_BLANK
173	pointer_ev.stop ();	345	pointer_ev.stop ();
174	#endif	346	#endif
175		347
176	destroy_ev.start (0);	348	destroy_ev.start (0);
177	}	349	}
178		350
179	void	351	void
180	rxvt_term::destroy_cb (time_watcher &w)	352	rxvt_term::destroy_cb (time_watcher &w)
181	{	353	{
182	SET_R (this);	354	make_current ();
183		355
184	delete this;	356	delete this;
185	}
186
187	/*----------------------------------------------------------------------*/
188	/* rxvt_init () */
189	/* LIBPROTO */
190	rxvt_t
191	rxvt_init (int argc, const char *const *argv)
192	{
193	SET_R (new rxvt_term);
194
195	if (!GET_R->init_vars () || !GET_R->init (argc, argv))
196	{
197	delete GET_R;
198	SET_R (0);
199	}
200
201	return GET_R;
202	}
203
204	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
205
206	void
207	rxvt_init_signals ()
208	{
209	/* install exit handler for cleanup */
210	#if 0
211	#ifdef HAVE_ATEXIT
212	atexit (rxvt_clean_exit);
213	#else
214	#endif
215	#endif
216
217	struct sigaction sa;
218
219	sigfillset (&sa.sa_mask);
220	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
221	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
222	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
223	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
224	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
225	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
226	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
227
228	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
229	/* signal (SIGURG, SIG_DFL); */
230
231	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
232	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
233	}
234
235	bool
236	rxvt_term::init (int argc, const char *const *argv)
237	{
238	/*
239	* Save and then give up any super-user privileges
240	* If we need privileges in any area then we must specifically request it.
241	* We should only need to be root in these cases:
242	* 1. write utmp entries on some systems
243	* 2. chown tty on some systems
244	*/
245	privileges (SAVE);
246	privileges (IGNORE);
247
248	init_secondary ();
249
250	const char **cmd_argv = init_resources (argc, argv);
251
252	set_locale ("");
253
254	#if (MENUBAR_MAX)
255	menubar_read (rs[Rs_menu]);
256	#endif
257	#ifdef HAVE_SCROLLBARS
258	if (Options & Opt_scrollBar)
259	scrollBar.setIdle (); /* set existence for size calculations */
260	#endif
261
262	create_windows (argc, argv);
263
264	init_xlocale ();
265
266	scr_reset (); /* initialize screen */
267	#ifdef RXVT_GRAPHICS
268	Gr_reset (); /* reset graphics */
269	#endif
270
271	#if 0
272	XSynchronize (display->display, True);
273	#endif
274
275	#ifdef HAVE_SCROLLBARS
276	if (Options & Opt_scrollBar)
277	resize_scrollbar (); /* create and map scrollbar */
278	#endif
279	#if (MENUBAR_MAX)
280	if (menubar_visible (r))
281	XMapWindow (display->display, menuBar.win);
282	#endif
283	#ifdef TRANSPARENT
284	if (Options & Opt_transparent)
285	{
286	XSelectInput (display->display, display->root, PropertyChangeMask);
287	check_our_parents ();
288	}
289	#endif
290
291	rootwin_ev.start (display, display->root);
292
293	XMapWindow (display->display, TermWin.vt);
294	XMapWindow (display->display, TermWin.parent[0]);
295
296	init_command (cmd_argv);
297
298	pty_ev.start (cmd_fd, EVENT_READ);
299
300	check_ev.start ();
301
302	return true;
303	}
304
305	/* ------------------------------------------------------------------------- *
306	* SIGNAL HANDLING & EXIT HANDLER *
307	* ------------------------------------------------------------------------- */
308	/*
309	* Catch a SIGCHLD signal and exit if the direct child has died
310	*/
311	/* ARGSUSED */
312	/* EXTPROTO */
313	RETSIGTYPE
314	rxvt_Child_signal (int sig __attribute__ ((unused)))
315	{
316	int pid, save_errno = errno;
317	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
318	;
319	errno = save_errno;
320
321	#if 0
322	if (pid == cmd_pid)
323	exit (EXIT_SUCCESS);
324	#endif
325	}
326
327	/*
328	* Catch a fatal signal and tidy up before quitting
329	*/
330	/* EXTPROTO */
331	RETSIGTYPE
332	rxvt_Exit_signal (int sig)
333	{
334	signal (sig, SIG_DFL);
335	#ifdef DEBUG_CMD
336	rxvt_print_error ("signal %d", sig);
337	#endif
338	rxvt_clean_exit ();
339	kill (getpid (), sig);
340	}
341
342	/* INTPROTO */
343	int
344	rxvt_xerror_handler (Display *display, XErrorEvent *event)
345	{
346	if (GET_R->allowedxerror == -1)
347	GET_R->allowedxerror = event->error_code;
348	else
349	{
350	old_xerror_handler (display, event);
351	GET_R->destroy ();
352	}
353
354	return 0;
355	}	357	}
356		358
357	/*----------------------------------------------------------------------*/	359	/*----------------------------------------------------------------------*/
358	/*	360	/*
359	* Exit gracefully, clearing the utmp entry and restoring tty attributes	361	* Exit gracefully, clearing the utmp entry and restoring tty attributes
360	* TODO: if debugging, this should free up any known resources if we can	362	* TODO: if debugging, this should free up any known resources if we can
361	*/	363	*/
362	/* EXTPROTO */	364	static XErrorHandler old_xerror_handler;
		365
		366	static void
		367	rxvt_emergency_cleanup ()
		368	{
		369	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		370	(*t)->emergency_cleanup ();
		371	}
		372
		373	#if ENABLE_FRILLS
		374	static void
		375	print_x_error (Display *dpy, XErrorEvent *event)
		376	{
		377	char buffer[BUFSIZ];
		378	char mesg[BUFSIZ];
		379	char number[32];
		380	char *mtype = "XlibMessage";
		381	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		382	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		383	rxvt_warn ("An X Error occured, trying to continue after report.\n");
		384	rxvt_warn ("%s: %s\n", mesg, buffer);
		385	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		386	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		387	sprintf(number, "%d", event->request_code);
		388	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		389	rxvt_warn ("(which is %s)\n", buffer);
		390	if (event->request_code >= 128) {
		391	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		392	mesg, BUFSIZ);
		393	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		394	}
		395	if ((event->error_code == BadWindow) ||
		396	(event->error_code == BadPixmap) ||
		397	(event->error_code == BadCursor) ||
		398	(event->error_code == BadFont) ||
		399	(event->error_code == BadDrawable) ||
		400	(event->error_code == BadColor) ||
		401	(event->error_code == BadGC) ||
		402	(event->error_code == BadIDChoice) ||
		403	(event->error_code == BadValue) ||
		404	(event->error_code == BadAtom)) {
		405	if (event->error_code == BadValue)
		406	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		407	mesg, BUFSIZ);
		408	else if (event->error_code == BadAtom)
		409	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		410	mesg, BUFSIZ);
		411	else
		412	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		413	mesg, BUFSIZ);
		414	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		415	}
		416	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		417	mesg, BUFSIZ);
		418	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		419	}
		420	#endif
		421
		422	int
		423	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		424	{
		425	if (GET_R->allowedxerror == -1)
		426	GET_R->allowedxerror = event->error_code;
		427	else
		428	{
		429	// GET_R is most likely not the terminal which caused the error,
		430	// so just output the error and continue
		431	#if ENABLE_FRILLS
		432	print_x_error (display, event);
		433	#else
		434	old_xerror_handler (display, event);
		435	#endif
		436	}
		437
		438	return 0;
		439	}
		440
		441	int
		442	rxvt_xioerror_handler (Display *display)
		443	{
		444	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		445	DisplayString (display));
		446	rxvt_emergency_cleanup ();
		447	_exit (EXIT_FAILURE);
		448	}
		449
		450	/*----------------------------------------------------------------------*/
		451	bool
		452	rxvt_term::init (int argc, const char *const *argv)
		453	{
		454	SET_R (this);
		455	set_locale ("");
		456	set_environ (envv); // few things in X do not call setlocale :(
		457
		458	if (!init_vars ())
		459	return false;
		460
		461	init_secondary ();
		462
		463	const char **cmd_argv = init_resources (argc, argv);
		464
		465	#ifdef KEYSYM_RESOURCE
		466	keyboard->register_done ();
		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	#ifdef HAVE_SCROLLBARS
		483	if (OPTION (Opt_scrollBar))
		484	scrollBar.setIdle (); /* set existence for size calculations */
		485	#endif
		486
		487	pty = rxvt_new_ptytty ();
		488
		489	create_windows (argc, argv);
		490
		491	dDisp;
		492
		493	init_xlocale ();
		494
		495	scr_reset (); // initialize screen
		496
		497	#if 0
		498	XSynchronize (disp, True);
		499	#endif
		500
		501	#ifdef HAVE_SCROLLBARS
		502	if (OPTION (Opt_scrollBar))
		503	resize_scrollbar (); /* create and map scrollbar */
		504	#endif
		505	#ifdef TRANSPARENT
		506	if (OPTION (Opt_transparent))
		507	{
		508	XSelectInput (disp, display->root, PropertyChangeMask);
		509	check_our_parents ();
		510	rootwin_ev.start (display, display->root);
		511	}
		512	#endif
		513
		514	set_colorfgbg ();
		515
		516	init_command (cmd_argv);
		517
		518	free (cmd_argv);
		519
		520	if (pty->pty >= 0)
		521	pty_ev.start (pty->pty, EVENT_READ);
		522
		523	check_ev.start ();
		524
		525	HOOK_INVOKE ((this, HOOK_START, DT_END));
		526
		527	XMapWindow (disp, vt);
		528	XMapWindow (disp, parent[0]);
		529
		530	return true;
		531	}
		532
		533	static struct sig_handlers
		534	{
		535	sig_watcher sw_term, sw_int;
		536
		537	/*
		538	* Catch a fatal signal and tidy up before quitting
		539	*/
363	void	540	void
364	rxvt_clean_exit ()	541	sig_term (sig_watcher &w)
		542	{
		543	#ifdef DEBUG_CMD
		544	rxvt_warn ("caught signal %d, exiting.\n", w.signum);
		545	#endif
		546	rxvt_emergency_cleanup ();
		547	signal (w.signum, SIG_DFL);
		548	kill (getpid (), w.signum);
		549	}
		550
		551	sig_handlers ()
		552	: sw_term (this, &sig_handlers::sig_term),
		553	sw_int (this, &sig_handlers::sig_term)
		554	{
		555	}
		556	} sig_handlers;
		557
		558	char **rxvt_environ; // startup environment
		559
		560	void
		561	rxvt_init ()
365	{	562	{
366	// TODO: rxvtd should clean up all ressources	563	uid_t uid = getuid ();
367	if (GET_R)	564	gid_t gid = getgid ();
368	GET_R->destroy ();	565
		566	// before doing anything else, check for setuid/setgid operation,
		567	// start the helper process and drop privileges
		568	if (uid != geteuid ()
		569	|| gid != getegid ())
		570	{
		571	#if PTYTTY_HELPER
		572	rxvt_ptytty_server ();
		573	#else
		574	rxvt_warn ("running setuid/setgid without pty helper compiled in, continuing unprivileged.\n");
		575	#endif
		576
		577	// drop privileges
		578	#if HAVE_SETRESUID
		579	setresgid (gid, gid, gid);
		580	setresuid (uid, uid, uid);
		581	#elif HAVE_SETREUID
		582	setregid (gid, gid);
		583	setreuid (uid, uid);
		584	#elif HAVE_SETUID
		585	setgid (gid);
		586	setuid (uid);
		587	#endif
		588
		589	if (uid != geteuid ()
		590	|| gid != getegid ())
		591	rxvt_fatal ("unable to drop privileges, aborting.\n");
		592	}
		593
		594	rxvt_environ = environ;
		595
		596	signal (SIGHUP, SIG_IGN);
		597	signal (SIGPIPE, SIG_IGN);
		598
		599	sig_handlers.sw_term.start (SIGTERM);
		600	sig_handlers.sw_int.start (SIGINT);
		601
		602	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		603	/* signal (SIGURG, SIG_DFL); */
		604
		605	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		606	// TODO: handle this with exceptions and tolerate the memory loss
		607	XSetIOErrorHandler (rxvt_xioerror_handler);
		608
		609	XrmInitialize ();
369	}	610	}
370		611
371	/* ------------------------------------------------------------------------- *	612	/* ------------------------------------------------------------------------- *
372	* MEMORY ALLOCATION WRAPPERS *	613	* MEMORY ALLOCATION WRAPPERS *
373	* ------------------------------------------------------------------------- */	614	* ------------------------------------------------------------------------- */
374	/* EXTPROTO */	615	void *
375	void *
376	rxvt_malloc (size_t size)	616	rxvt_malloc (size_t size)
377	{	617	{
378	void *p;
379
380	p = malloc (size);	618	void *p = malloc (size);
		619
381	if (p)	620	if (!p)
		621	rxvt_fatal ("memory allocation failure. aborting.\n");
		622
382	return p;	623	return p;
383
384	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
385	rxvt_clean_exit ();
386	exit (EXIT_FAILURE);
387	/* NOTREACHED */
388	}	624	}
389		625
390	/* EXTPROTO */	626	void *
391	void *
392	rxvt_calloc (size_t number, size_t size)	627	rxvt_calloc (size_t number, size_t size)
393	{	628	{
394	void *p;
395
396	p = calloc (number, size);	629	void *p = calloc (number, size);
		630
397	if (p)	631	if (!p)
		632	rxvt_fatal ("memory allocation failure. aborting.\n");
		633
398	return p;	634	return p;
399
400	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
401	rxvt_clean_exit ();
402	exit (EXIT_FAILURE);
403	/* NOTREACHED */
404	}	635	}
405		636
406	/* EXTPROTO */	637	void *
407	void *
408	rxvt_realloc (void *ptr, size_t size)	638	rxvt_realloc (void *ptr, size_t size)
409	{	639	{
410	void *p;
411
412	if (ptr)
413	p = realloc (ptr, size);	640	void *p = realloc (ptr, size);
414	else	641
415	p = malloc (size);
416	if (p)	642	if (!p)
		643	rxvt_fatal ("memory allocation failure. aborting.\n");
		644
417	return p;	645	return p;
418
419	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
420	rxvt_clean_exit ();
421	exit (EXIT_FAILURE);
422	/* NOTREACHED */
423	}	646	}
424
425	/* ------------------------------------------------------------------------- *
426	* PRIVILEGED OPERATIONS *
427	* ------------------------------------------------------------------------- */
428	/* take care of suid/sgid super-user (root) privileges */
429	void
430	rxvt_term::privileges (int mode)
431	{
432	#if ! defined(__CYGWIN32__)
433	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
434	/* setreuid () is the poor man's setuid (), seteuid () */
435	# define seteuid(a) setreuid(-1, (a))
436	# define setegid(a) setregid(-1, (a))
437	# define HAVE_SETEUID
438	# endif
439	# ifdef HAVE_SETEUID
440	switch (mode)
441	{
442	case IGNORE:
443	/*
444	* change effective uid/gid - not real uid/gid - so we can switch
445	* back to root later, as required
446	*/
447	seteuid (getuid ());
448	setegid (getgid ());
449	break;
450	case SAVE:
451	euid = geteuid ();
452	egid = getegid ();
453	break;
454	case RESTORE:
455	seteuid (euid);
456	setegid (egid);
457	break;
458	}
459	# else
460	switch (mode)
461	{
462	case IGNORE:
463	setuid (getuid ());
464	setgid (getgid ());
465	/* FALLTHROUGH */
466	case SAVE:
467	/* FALLTHROUGH */
468	case RESTORE:
469	break;
470	}
471	# endif
472	#endif
473	}
474
475	#ifdef UTMP_SUPPORT
476	void
477	rxvt_term::privileged_utmp (char action)
478	{
479	D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)",
480	action, next_utmp_action, getpid ()));
481	if (next_utmp_action != action || (action != SAVE && action != RESTORE)
482	|| (Options & Opt_utmpInhibit)
483	|| ttydev == NULL || *ttydev == '\0')
484	return;
485
486	privileges (RESTORE);
487	if (action == SAVE)
488	{
489	next_utmp_action = RESTORE;
490	makeutent (ttydev, rs[Rs_display_name]);
491	}
492	else
493	{ /* action == RESTORE */
494	next_utmp_action = IGNORE;
495	cleanutent ();
496	}
497	privileges (IGNORE);
498	}
499	#endif
500
501	#ifndef NO_SETOWNER_TTYDEV
502	void
503	rxvt_term::privileged_ttydev (char action)
504	{
505	D_MAIN ((stderr,
506	"privileged_ttydev (%c); waiting for: %c (pid: %d)",
507	action, next_tty_action, getpid ()));
508	if (next_tty_action != action || (action != SAVE && action != RESTORE)
509	|| ttydev == NULL || *ttydev == '\0')
510	return;
511
512	privileges (RESTORE);
513
514	if (action == SAVE)
515	{
516	next_tty_action = RESTORE;
517	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
518	/* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */
519	if (lstat (ttydev, &ttyfd_stat) < 0) /* you lose out */
520	next_tty_action = IGNORE;
521	else
522	# endif
523
524	{
525	chown (ttydev, getuid (), ttygid); /* fail silently */
526	chmod (ttydev, ttymode);
527	# ifdef HAVE_REVOKE
528	revoke (ttydev);
529	# endif
530
531	}
532	}
533	else
534	{ /* action == RESTORE */
535	next_tty_action = IGNORE;
536	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
537	chmod (ttydev, ttyfd_stat.st_mode);
538	chown (ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
539	# else
540	chmod (ttydev,
541	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
542	chown (ttydev, 0, 0);
543	# endif
544
545	}
546
547	privileges (IGNORE);
548
549	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
550	D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
551	action == RESTORE ? "Restoring" : (action ==
552	SAVE ? "Saving" :
553	"UNKNOWN ERROR for"), ttydev,
554	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
555	ttyfd_stat.st_gid));
556	# endif
557	}
558	#endif
559		647
560	/*----------------------------------------------------------------------*/	648	/*----------------------------------------------------------------------*/
561	/*	649	/*
562	* window size/position calculcations for XSizeHint and other storage.	650	* window size/position calculcations for XSizeHint and other storage.
563	* if width/height are non-zero then override calculated width/height	651	* if width/height are non-zero then override calculated width/height
564	*/	652	*/
565	void	653	void
566	rxvt_term::window_calc (unsigned int width, unsigned int height)	654	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
567	{	655	{
568	short recalc_x, recalc_y;	656	short recalc_x, recalc_y;
569	int x, y, sb_w, mb_h, flags;	657	int x, y, sb_w, flags;
570	unsigned int w, h;	658	unsigned int w, h;
571	unsigned int max_width, max_height;	659	unsigned int max_width, max_height;
		660	dDisp;
572		661
573	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	662	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
574	TermWin.ncol, TermWin.nrow, szHint.width,	663	ncol, nrow, szHint.width, szHint.height));
575	szHint.height));	664
576	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	665	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
577	szHint.win_gravity = NorthWestGravity;	666	szHint.win_gravity = NorthWestGravity;
578	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	667	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
579		668
580	recalc_x = recalc_y = 0;	669	recalc_x = recalc_y = 0;
581	flags = 0;	670	flags = 0;
		671
582	if (!parsed_geometry)	672	if (!parsed_geometry)
583	{	673	{
584	parsed_geometry = 1;	674	parsed_geometry = 1;
		675
585	if (rs[Rs_geometry])	676	if (rs[Rs_geometry])
586	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);	677	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		678
587	if (flags & WidthValue)	679	if (flags & WidthValue)
588	{	680	{
589	TermWin.ncol = BOUND_POSITIVE_INT16 (w);	681	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
590	szHint.flags |= USSize;	682	szHint.flags |= USSize;
591	}	683	}
		684
592	if (flags & HeightValue)	685	if (flags & HeightValue)
593	{	686	{
594	TermWin.nrow = BOUND_POSITIVE_INT16 (h);	687	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
595	szHint.flags |= USSize;	688	szHint.flags |= USSize;
596	}	689	}
		690
597	if (flags & XValue)	691	if (flags & XValue)
598	{	692	{
599	szHint.x = x;	693	szHint.x = x;
600	szHint.flags |= USPosition;	694	szHint.flags |= USPosition;
		695
601	if (flags & XNegative)	696	if (flags & XNegative)
602	{	697	{
603	recalc_x = 1;	698	recalc_x = 1;
604	szHint.win_gravity = NorthEastGravity;	699	szHint.win_gravity = NorthEastGravity;
605	}	700	}
606	}	701	}
		702
607	if (flags & YValue)	703	if (flags & YValue)
608	{	704	{
609	szHint.y = y;	705	szHint.y = y;
610	szHint.flags |= USPosition;	706	szHint.flags |= USPosition;
		707
611	if (flags & YNegative)	708	if (flags & YNegative)
612	{	709	{
613	recalc_y = 1;	710	recalc_y = 1;
		711
614	if (szHint.win_gravity == NorthEastGravity)	712	if (szHint.win_gravity == NorthEastGravity)
615	szHint.win_gravity = SouthEastGravity;	713	szHint.win_gravity = SouthEastGravity;
616	else	714	else
617	szHint.win_gravity = SouthWestGravity;	715	szHint.win_gravity = SouthWestGravity;
618	}	716	}
619	}	717	}
620	}	718	}
		719
621	/* TODO: BOUNDS */	720	/* TODO: BOUNDS */
622	TermWin.width = TermWin.ncol * TermWin.fwidth;	721	width = ncol * fwidth;
623	TermWin.height = TermWin.nrow * TermWin.fheight;	722	height = nrow * fheight;
624	max_width = MAX_COLS * TermWin.fwidth;	723	max_width = MAX_COLS * fwidth;
625	max_height = MAX_ROWS * TermWin.fheight;	724	max_height = MAX_ROWS * fheight;
626		725
627	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	726	szHint.base_width = szHint.base_height = 2 * int_bwidth;
628		727
629	sb_w = mb_h = 0;	728	sb_w = 0;
630	window_vt_x = window_vt_y = 0;	729	window_vt_x = window_vt_y = int_bwidth;
631	if (scrollbar_visible ())	730
		731	if (scrollBar.state)
632	{	732	{
633	sb_w = scrollbar_TotalWidth ();	733	sb_w = scrollbar_TotalWidth ();
634	szHint.base_width += sb_w;	734	szHint.base_width += sb_w;
635	if (! (Options & Opt_scrollBar_right))	735	if (!OPTION (Opt_scrollBar_right))
636	window_vt_x = sb_w;	736	window_vt_x += sb_w;
637	}
638	if (menubar_visible ())
639	{	737	}
640	mb_h = menuBar_TotalHeight ();	738
641	szHint.base_height += mb_h;
642	window_vt_y = mb_h;
643	}
644	szHint.width_inc = TermWin.fwidth;	739	szHint.width_inc = fwidth;
645	szHint.height_inc = TermWin.fheight;	740	szHint.height_inc = fheight;
646	szHint.min_width = szHint.base_width + szHint.width_inc;	741	szHint.min_width = szHint.base_width + szHint.width_inc;
647	szHint.min_height = szHint.base_height + szHint.height_inc;	742	szHint.min_height = szHint.base_height + szHint.height_inc;
648		743
649	if (width && width - szHint.base_width < max_width)	744	if (newwidth && newwidth - szHint.base_width < max_width)
650	{	745	{
651	szHint.width = width;	746	szHint.width = newwidth;
652	TermWin.width = width - szHint.base_width;	747	width = newwidth - szHint.base_width;
653	}	748	}
654	else	749	else
655	{	750	{
656	MIN_IT (TermWin.width, max_width);	751	min_it (width, max_width);
657	szHint.width = szHint.base_width + TermWin.width;	752	szHint.width = szHint.base_width + width;
658	}	753	}
		754
659	if (height && height - szHint.base_height < max_height)	755	if (newheight && newheight - szHint.base_height < max_height)
660	{	756	{
661	szHint.height = height;	757	szHint.height = newheight;
662	TermWin.height = height - szHint.base_height;	758	height = newheight - szHint.base_height;
663	}	759	}
664	else	760	else
665	{	761	{
666	MIN_IT (TermWin.height, max_height);	762	min_it (height, max_height);
667	szHint.height = szHint.base_height + TermWin.height;	763	szHint.height = szHint.base_height + height;
668	}	764	}
669	if (scrollbar_visible () && (Options & Opt_scrollBar_right))	765
		766	if (scrollBar.state && OPTION (Opt_scrollBar_right))
670	window_sb_x = szHint.width - sb_w;	767	window_sb_x = szHint.width - sb_w;
671		768
672	if (recalc_x)	769	if (recalc_x)
673	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	770	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
674	- szHint.width - 2 * TermWin.ext_bwidth);
675	if (recalc_y)	771	if (recalc_y)
676	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	772	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
677	- szHint.height - 2 * TermWin.ext_bwidth);
678		773
679	TermWin.ncol = TermWin.width / TermWin.fwidth;	774	ncol = width / fwidth;
680	TermWin.nrow = TermWin.height / TermWin.fheight;	775	nrow = height / fheight;
681	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	776	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
682	TermWin.ncol, TermWin.nrow, szHint.width,	777	ncol, nrow, szHint.width,
683	szHint.height));	778	szHint.height));
684	return;	779	return;
685	}	780	}
686		781
687	/*----------------------------------------------------------------------*/	782	/*----------------------------------------------------------------------*/
…		…
690	* Called after a window size change.	785	* Called after a window size change.
691	*/	786	*/
692	void	787	void
693	rxvt_term::tt_winch ()	788	rxvt_term::tt_winch ()
694	{	789	{
		790	if (pty->pty < 0)
		791	return;
		792
695	struct winsize ws;	793	struct winsize ws;
696		794
697	if (cmd_fd < 0)
698	return;
699
700	ws.ws_col = TermWin.ncol;	795	ws.ws_col = ncol;
701	ws.ws_row = TermWin.nrow;	796	ws.ws_row = nrow;
702	ws.ws_xpixel = ws.ws_ypixel = 0;	797	ws.ws_xpixel = width;
703	#ifndef DEBUG_SIZE	798	ws.ws_ypixel = height;
704	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	799	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
705	#else	800
706	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	801	#if 0
707	D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	802	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
708	# ifdef SIGWINCH
709	else if (cmd_pid) /* force through to the command */	803	if (cmd_pid) /* force through to the command */
710	kill (cmd_pid, SIGWINCH);	804	kill (-cmd_pid, SIGWINCH);
711	# endif
712	#endif	805	#endif
713	}	806	}
714		807
715	/*----------------------------------------------------------------------*/	808	/*----------------------------------------------------------------------*/
716	/* rxvt_change_font () - Switch to a new font */	809	/* set_fonts () - load and set the various fonts
717	/*	810	*
718	* init = 1 - initialize	811	* init = 1 - initialize
719	*	812	*
720	* fontname == FONT_UP - switch to bigger font	813	* fontname == FONT_UP - switch to bigger font
721	* fontname == FONT_DN - switch to smaller font	814	* fontname == FONT_DN - switch to smaller font
722	*/	815	*/
723	void	816	bool
724	rxvt_term::change_font (int init, const char *fontname)	817	rxvt_term::set_fonts ()
725	{}	818	{
		819	rxvt_fontset *fs = new rxvt_fontset (this);
		820	rxvt_fontprop prop;
726		821
727	void	822	if (!fs
728	rxvt_term::font_up_down (int n, int direction)	823	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
729	{}	824	|| !fs->realize_font (1))
		825	{
		826	delete fs;
		827	return false;
		828	}
		829
		830	#if ENABLE_STYLES
		831	for (int i = RS_styleCount; --i; )
		832	if (fontset[i] != fontset[0])
		833	delete fontset[i];
		834	#endif
		835
		836	delete fontset[0];
		837	fontset[0] = fs;
		838
		839	prop = (*fs)[1]->properties ();
		840	prop.height += lineSpace;
		841	fs->set_prop (prop);
		842
		843	fwidth = prop.width;
		844	fheight = prop.height;
		845	fbase = prop.ascent;
		846
		847	for (int style = 1; style < 4; style++)
		848	{
		849	#if ENABLE_STYLES
		850	const char *res = rs[Rs_font + style];
		851
		852	if (res && !*res)
		853	fontset[style] = fontset[0];
		854	else
		855	{
		856	fontset[style] = fs = new rxvt_fontset (this);
		857	rxvt_fontprop prop2 = prop;
		858
		859	if (res)
		860	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		861	else
		862	{
		863	res = fontset[0]->fontdesc;
		864
		865	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		866	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		867	}
		868
		869	fs->populate (res);
		870	fs->set_prop (prop2);
		871	}
		872	#else
		873	fontset[style] = fontset[0];
		874	#endif
		875	}
		876
		877	if (parent[0])
		878	{
		879	resize_all_windows (0, 0, 0);
		880	scr_remap_chars ();
		881	scr_touch (true);
		882	}
		883
		884	return true;
		885	}
		886
		887	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
		888	{
		889	XChangeProperty (display->display, parent[0],
		890	prop, XA_STRING, 8, PropModeReplace,
		891	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		892	}
		893
		894	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		895	{
		896	wchar_t *ws = rxvt_mbstowcs (str, len);
		897	char *s = rxvt_wcstoutf8 (ws);
		898
		899	XChangeProperty (display->display, parent[0],
		900	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		901	(const unsigned char *)s, strlen (s));
		902
		903	free (s);
		904	free (ws);
		905	}
730		906
731	/*----------------------------------------------------------------------*/	907	/*----------------------------------------------------------------------*/
732	/*----------------------------------------------------------------------*/	908	/*----------------------------------------------------------------------*/
733	/* xterm sequences - title, iconName, color (exptl) */	909	/* xterm sequences - title, iconName, color (exptl) */
734	void	910	void
735	rxvt_term::set_title (const char *str)	911	rxvt_term::set_title (const char *str)
736	{	912	{
737	#ifndef SMART_WINDOW_TITLE	913	set_string_property (XA_WM_NAME, str);
738	XStoreName (display->display, TermWin.parent[0], str);	914	#if ENABLE_EWMH
739	#else	915	set_utf8_property (xa[XA_NET_WM_NAME], str);
740	char *name;
741
742	if (XFetchName (display->display, TermWin.parent[0], &name) == 0)
743	name = NULL;
744	if (name == NULL || STRCMP (name, str))
745	XStoreName (display->display, TermWin.parent[0], str);
746	if (name)
747	XFree (name);
748	#endif	916	#endif
749	}	917	}
750		918
751	void	919	void
752	rxvt_term::set_iconName (const char *str)	920	rxvt_term::set_icon_name (const char *str)
753	{	921	{
754	#ifndef SMART_WINDOW_TITLE	922	set_string_property (XA_WM_ICON_NAME, str);
755	XSetIconName (display->display, TermWin.parent[0], str);	923	#if ENABLE_EWMH
756	#else	924	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
757	char *name;
758
759	if (XGetIconName (display->display, TermWin.parent[0], &name))
760	name = NULL;
761	if (name == NULL || STRCMP (name, str))
762	XSetIconName (display->display, TermWin.parent[0], str);
763	if (name)
764	XFree (name);
765	#endif	925	#endif
766	}	926	}
767		927
768	#ifdef XTERM_COLOR_CHANGE	928	#ifdef XTERM_COLOR_CHANGE
769	void	929	void
770	rxvt_term::set_window_color (int idx, const char *color)	930	rxvt_term::set_window_color (int idx, const char *color)
771	{	931	{
772	rxvt_color xcol;	932	rxvt_color xcol;
773	int i;	933	int i;
774		934
775	if (color == NULL || *color == '\0')	935	if (color == NULL || *color == '\0')
776	return;	936	return;
777		937
778	/* handle color aliases */	938	/* handle color aliases */
779	if (isdigit (*color))	939	if (isdigit (*color))
780	{	940	{
781	i = atoi (color);	941	i = atoi (color);
		942
782	if (i >= 8 && i <= 15)	943	if (i >= 8 && i <= 15)
783	{ /* bright colors */	944	{ /* bright colors */
784	i -= 8;	945	i -= 8;
785	# ifndef NO_BRIGHTCOLOR
786	PixColors[idx] = PixColors[minBrightCOLOR + i];	946	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
787	SET_PIXCOLOR (idx);	947	SET_PIXCOLOR (idx);
788	goto Done;	948	goto done;
789	# endif
790
791	}	949	}
		950
792	if (i >= 0 && i <= 7)	951	if (i >= 0 && i <= 7)
793	{ /* normal colors */	952	{ /* normal colors */
794	PixColors[idx] = PixColors[minCOLOR + i];	953	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
795	SET_PIXCOLOR (idx);	954	SET_PIXCOLOR (idx);
796	goto Done;	955	goto done;
797	}	956	}
798	}	957	}
		958
799	if (!rXParseAllocColor (& xcol, color))	959	if (!rXParseAllocColor (&xcol, color))
800	return;	960	return;
		961
801	/* XStoreColor (display->display, XCMAP, XColor*); */	962	/* XStoreColor (display->display, display->cmap, XColor*); */
802		963
803	/*	964	/*
804	* FIXME: should free colors here, but no idea how to do it so instead,	965	* FIXME: should free colors here, but no idea how to do it so instead,
805	* so just keep gobbling up the colormap	966	* so just keep gobbling up the colormap
806	*/	967	*/
807	# if 0	968	# if 0
808	for (i = Color_Black; i <= Color_White; i++)	969	for (i = Color_Black; i <= Color_White; i++)
809	if (PixColors[idx] == PixColors[i])	970	if (pix_colors[idx] == pix_colors[i])
810	break;	971	break;
811	if (i > Color_White)	972	if (i > Color_White)
812	{	973	{
813	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */	974	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
814	XFreeColors (display->display, XCMAP, (PixColors + idx), 1,	975	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
815	DisplayPlanes (display->display, display->screen));	976	DisplayPlanes (display->display, display->screen));
816	}	977	}
817	# endif	978	# endif
818		979
819	PixColors[idx] = xcol;	980	pix_colors_focused[idx] = xcol;
820	SET_PIXCOLOR (idx);	981	SET_PIXCOLOR (idx);
821		982
822	/* XSetWindowAttributes attr; */	983	/* XSetWindowAttributes attr; */
823	/* Cursor cursor; */	984	/* Cursor cursor; */
824	Done:	985	done:
825	if (idx == Color_bg && ! (Options & Opt_transparent))
826	XSetWindowBackground (display->display, TermWin.vt,
827	PixColors[Color_bg]);
828		986
		987	#if OFF_FOCUS_FADING
		988	if (rs[Rs_fade])
		989	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
		990	#endif
		991
829	/* handle Color_BD, scrollbar background, etc. */	992	/*TODO: handle Color_BD, scrollbar background, etc. */
830		993
831	set_colorfgbg ();
832	recolour_cursor ();	994	recolour_cursor ();
833	/* the only reasonable way to enforce a clean update */	995	scr_recolour ();
834	scr_poweron ();
835	}	996	}
836		997
837	#else	998	#else
838	# define set_window_color (idx,color) ((void)0)	999	# define set_window_color (idx,color) ((void)0)
839	#endif /* XTERM_COLOR_CHANGE */	1000	#endif /* XTERM_COLOR_CHANGE */
840		1001
841	void	1002	void
842	rxvt_term::recolour_cursor ()	1003	rxvt_term::recolour_cursor ()
843	{	1004	{
844	#if TODO
845	rxvt_color xcol[2];	1005	XColor xcol[2];
846		1006
847	xcol[0] = PixColors[Color_pointer];	1007	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
848	xcol[1] = PixColors[Color_bg];	1008	? pix_colors_focused[Color_pointer_fg]
		1009	: pix_colors_focused[Color_fg];
		1010	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		1011	? pix_colors_focused[Color_pointer_bg]
		1012	: pix_colors_focused[Color_bg];
		1013
849	XQueryColors (display->display, XCMAP, xcol, 2);	1014	XQueryColors (display->display, display->cmap, xcol, 2);
850	XRecolorCursor (display->display, TermWin_cursor, & (xcol[0]), & (xcol[1]));	1015	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
851	#endif
852	}	1016	}
853		1017
854	/*----------------------------------------------------------------------*/	1018	/*----------------------------------------------------------------------*/
855	/*	1019	/*
856	* find if fg/bg matches any of the normal (low-intensity) colors	1020	* find if fg/bg matches any of the normal (low-intensity) colors
857	*/	1021	*/
858	void	1022	void
859	rxvt_term::set_colorfgbg ()	1023	rxvt_term::set_colorfgbg ()
860	{	1024	{
861	unsigned int i;	1025	unsigned int i;
862	const char *xpmb = "\0";	1026	const char *xpmb = "\0";
863	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];	1027	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
864		1028
865	env_colorfgbg =
866	(char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);	1029	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
867	STRCPY (fstr, "default");	1030	strcpy (fstr, "default");
868	STRCPY (bstr, "default");	1031	strcpy (bstr, "default");
869	for (i = Color_Black; i <= Color_White; i++)	1032	for (i = Color_Black; i <= Color_White; i++)
870	if (PixColors[Color_fg] == PixColors[i])	1033	if (pix_colors[Color_fg] == pix_colors[i])
871	{	1034	{
872	sprintf (fstr, "%d", (i - Color_Black));	1035	sprintf (fstr, "%d", (i - Color_Black));
873	break;	1036	break;
874	}	1037	}
		1038
875	for (i = Color_Black; i <= Color_White; i++)	1039	for (i = Color_Black; i <= Color_White; i++)
876	if (PixColors[Color_bg] == PixColors[i])	1040	if (pix_colors[Color_bg] == pix_colors[i])
877	{	1041	{
878	sprintf (bstr, "%d", (i - Color_Black));	1042	sprintf (bstr, "%d", (i - Color_Black));
879	#ifdef XPM_BACKGROUND	1043	#ifdef XPM_BACKGROUND
880	xpmb = "default;";	1044	xpmb = "default;";
881	#endif	1045	#endif
882	break;	1046	break;
883	}	1047	}
884		1048
885	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1049	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
886
887	#ifndef NO_BRIGHTCOLOR
888	colorfgbg = DEFAULT_RSTYLE;
889	for (i = minCOLOR; i <= maxCOLOR; i++)
890	{
891	if (PixColors[Color_fg] == PixColors[i])
892	colorfgbg = SET_FGCOLOR (colorfgbg, i);
893	if (PixColors[Color_bg] == PixColors[i])
894	colorfgbg = SET_BGCOLOR (colorfgbg, i);
895	}
896	#endif
897	}	1050	}
898		1051
899	/*----------------------------------------------------------------------*/	1052	/*----------------------------------------------------------------------*/
900	/*
901	* Colour determination for low colour displays, routine from
902	* Hans de Goede <hans@highrise.nl>
903	*/
904		1053
905	int	1054	int
906	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	1055	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
907	{	1056	{
908	if (!screen_in_out->set (display, colour))	1057	if (!screen_in_out->set (display, colour))
909	{	1058	{
910	rxvt_print_error ("can't allocate colour: %s", colour);	1059	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
911	return false;	1060	return false;
912	}	1061	}
913		1062
914	return true;	1063	return true;
915	}	1064	}
916		1065
917	/* -------------------------------------------------------------------- *	1066	/* -------------------------------------------------------------------- *
918	* - WINDOW RESIZING - *	1067	* - WINDOW RESIZING - *
919	* -------------------------------------------------------------------- */	1068	* -------------------------------------------------------------------- */
920	void	1069	void
921	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	1070	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
922	{	1071	{
923	int fix_screen;	1072	int fix_screen;
924
925	#ifdef SMART_RESIZE
926	int old_width = szHint.width, old_height = szHint.height;	1073	int old_width = szHint.width, old_height = szHint.height;
927	#endif	1074	dDisp;
928		1075
929	window_calc (width, height);	1076	window_calc (newwidth, newheight);
930	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	1077	XSetWMNormalHints (disp, parent[0], &szHint);
		1078
931	if (!ignoreparent)	1079	if (!ignoreparent)
932	{	1080	{
933	#ifdef SMART_RESIZE	1081	#ifdef SMART_RESIZE
934	/*	1082	/*
935	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1083	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
938	int x, y, x1, y1;	1086	int x, y, x1, y1;
939	int dx, dy;	1087	int dx, dy;
940	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1088	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
941	Window unused_cr;	1089	Window unused_cr;
942		1090
943	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	1091	XTranslateCoordinates (disp, parent[0], display->root,
944	0, 0, &x, &y, &unused_cr);	1092	0, 0, &x, &y, &unused_cr);
945	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	1093	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
946	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1094	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
947	/*	1095	/*
948	* if display->root isn't the parent window, a WM will probably have offset	1096	* if display->root isn't the parent window, a WM will probably have offset
949	* our position for handles and decorations. Counter it	1097	* our position for handles and decorations. Counter it
950	*/	1098	*/
…		…
952	{	1100	{
953	x -= x1;	1101	x -= x1;
954	y -= y1;	1102	y -= y1;
955	}	1103	}
956		1104
957	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	1105	x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
958	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	1106	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
959	dx = old_width - szHint.width;	1107	dx = old_width - szHint.width;
960	dy = old_height - szHint.height;	1108	dy = old_height - szHint.height;
961		1109
962	/* Check position of the center of the window */	1110	/* Check position of the center of the window */
963	if (x < x1) /* left half */	1111	if (x < x1) /* left half */
…		…
967	if (y < y1) /* top half */	1115	if (y < y1) /* top half */
968	dy = 0;	1116	dy = 0;
969	else if (y == y1) /* exact center */	1117	else if (y == y1) /* exact center */
970	dy /= 2;	1118	dy /= 2;
971		1119
972	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	1120	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
973	szHint.width, szHint.height);	1121	szHint.width, szHint.height);
974	#else	1122	#else
975	XResizeWindow (display->display, TermWin.parent[0], szHint.width,	1123	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
976	szHint.height);
977	#endif	1124	#endif
978
979	}	1125	}
980		1126
981	fix_screen = (TermWin.ncol != prev_ncol	1127	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
982	|| TermWin.nrow != prev_nrow);
983		1128
984	if (fix_screen || width != old_width || height != old_height)	1129	if (fix_screen || newwidth != old_width || newheight != old_height)
985	{	1130	{
986	if (scrollbar_visible ())	1131	if (scrollBar.state)
987	{	1132	{
988	XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,	1133	XMoveResizeWindow (disp, scrollBar.win,
		1134	window_sb_x, 0,
989	0, scrollbar_TotalWidth (), szHint.height);	1135	scrollbar_TotalWidth (), szHint.height);
990	resize_scrollbar ();	1136	resize_scrollbar ();
991	}	1137	}
992		1138
993	if (menubar_visible ())	1139	XMoveResizeWindow (disp, vt,
994	XMoveResizeWindow (display->display, menuBar.win, window_vt_x,	1140	window_vt_x, window_vt_y,
995	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
996
997	XMoveResizeWindow (display->display, TermWin.vt, window_vt_x,
998	window_vt_y, TermWin_TotalWidth (),
999	TermWin_TotalHeight ());	1141	width, height);
1000	#ifdef RXVT_GRAPHICS	1142
1001	if (old_height)
1002	Gr_Resize (old_width - szHint.base_width,
1003	old_height - szHint.base_height);
1004	#endif
1005	scr_clear ();	1143	scr_clear ();
1006	#ifdef XPM_BACKGROUND	1144	#ifdef XPM_BACKGROUND
1007	resize_pixmap ();	1145	resize_pixmap ();
1008	#endif	1146	#endif
1009
1010	}	1147	}
1011		1148
1012	if (fix_screen || old_height == 0)	1149	if (fix_screen || old_height == 0)
1013	{	1150	{
1014	int curr_screen = -1;	1151	int curr_screen = -1;
1015	int old_ncol = prev_ncol;	1152	int old_ncol = prev_ncol;
1016		1153
1017	/* scr_reset only works on the primary screen */	1154	/* scr_reset only works on the primary screen */
1018	if (old_height) /* this is not the first time through */	1155	if (old_height) /* this is not the first time through */
1019	{	1156	{
1020	unsigned int ncol = TermWin.ncol;	1157	unsigned int ocol = ncol;
1021	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this	1158	ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1022	curr_screen = scr_change_screen (PRIMARY);	1159	curr_screen = scr_change_screen (PRIMARY);
1023	TermWin.ncol = ncol;	1160	ncol = ocol;
1024	}	1161	}
1025		1162
1026	scr_reset ();	1163	scr_reset ();
1027		1164
1028	if (curr_screen >= 0) /* this is not the first time through */	1165	if (curr_screen >= 0) /* this is not the first time through */
1029	{	1166	{
1030	scr_change_screen (curr_screen);	1167	scr_change_screen (curr_screen);
1031	selection_check (old_ncol != TermWin.ncol ? 4 : 0);	1168	selection_check (old_ncol != ncol ? 4 : 0);
1032	}	1169	}
1033	}	1170	}
1034		1171
1035	old_width = szHint.width;	1172	old_width = szHint.width;
1036	old_height = szHint.height;	1173	old_height = szHint.height;
		1174
		1175	#ifdef XPM_BACKGROUND
		1176	if (pixmap)
		1177	scr_touch (false);
		1178	#endif
1037		1179
1038	#ifdef USE_XIM	1180	#ifdef USE_XIM
1039	IMSetStatusPosition ();	1181	IMSetStatusPosition ();
1040	#endif	1182	#endif
1041	}	1183	}
…		…
1043	/*	1185	/*
1044	* Set the width/height of the vt window in characters. Units are pixels.	1186	* Set the width/height of the vt window in characters. Units are pixels.
1045	* good for toggling 80/132 columns	1187	* good for toggling 80/132 columns
1046	*/	1188	*/
1047	void	1189	void
1048	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1190	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1049	{	1191	{
1050	XWindowAttributes wattr;	1192	XWindowAttributes wattr;
1051		1193
1052	if (width == 0 || height == 0)	1194	if (newwidth == 0 || newheight == 0)
1053	{	1195	{
1054	XGetWindowAttributes (display->display, display->root, &wattr);	1196	XGetWindowAttributes (display->display, display->root, &wattr);
		1197
1055	if (width == 0)	1198	if (newwidth == 0)
1056	width = wattr.width - szHint.base_width;	1199	newwidth = wattr.width - szHint.base_width;
1057	if (height == 0)	1200	if (newheight == 0)
1058	height = wattr.height - szHint.base_height;	1201	newheight = wattr.height - szHint.base_height;
1059	}
1060	if (width != TermWin.width || height != TermWin.height)
1061	{	1202	}
		1203
		1204	if (newwidth != width || newheight != height)
		1205	{
1062	width += szHint.base_width;	1206	newwidth += szHint.base_width;
1063	height += szHint.base_height;	1207	newheight += szHint.base_height;
1064	resize_all_windows (width, height, 0);	1208	resize_all_windows (newwidth, newheight, 0);
1065	}	1209	}
1066	}	1210	}
1067		1211
1068	/* -------------------------------------------------------------------- *	1212	/* -------------------------------------------------------------------- *
1069	* - X INPUT METHOD ROUTINES - *	1213	* - X INPUT METHOD ROUTINES - *
1070	* -------------------------------------------------------------------- */	1214	* -------------------------------------------------------------------- */
1071	#ifdef USE_XIM	1215	#ifdef USE_XIM
1072		1216
1073	void	1217	void
		1218	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
		1219	{
		1220	fg = pix_colors[Color_fg];
		1221	bg = pix_colors[Color_bg];
		1222	}
		1223
		1224	void
1074	rxvt_term::im_set_size (XRectangle *size)	1225	rxvt_term::im_set_size (XRectangle &size)
1075	{	1226	{
1076	size->x = TermWin.int_bwidth;	1227	// the int_bwidth terms make no sense to me
1077	size->y = TermWin.int_bwidth;	1228	size.x = int_bwidth;
1078	size->width = Width2Pixel (TermWin.ncol);	1229	size.y = int_bwidth;
1079	size->height = Height2Pixel (TermWin.nrow);	1230	size.width = Width2Pixel (ncol) + int_bwidth;
		1231	size.height = Height2Pixel (nrow) + int_bwidth;
1080	}	1232	}
1081		1233
1082	void	1234	void
1083	rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)	1235	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1236	XRectangle &status_rect,
		1237	const XRectangle &needed_rect)
1084	{	1238	{
1085	*fg = PixColors[Color_fg];	1239	preedit_rect.x = needed_rect.width;
1086	*bg = PixColors[Color_bg];	1240	preedit_rect.y = 0;
		1241	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1242	preedit_rect.height = fheight;
		1243
		1244	status_rect.x = 0;
		1245	status_rect.y = 0;
		1246	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1247	status_rect.height = fheight;
1087	}	1248	}
1088		1249
1089	/* Checking whether input method is running. */	1250	/* Checking whether input method is running. */
1090	bool	1251	bool
1091	rxvt_term::IMisRunning ()	1252	rxvt_term::IMisRunning ()
1092	{	1253	{
1093	char *p;	1254	char *p;
1094	Atom atom;	1255	Atom atom;
1095	Window win;	1256	Window win;
1096	char server[IMBUFSIZ];	1257	char server[IMBUFSIZ];
1097		1258
1098	/* get current locale modifier */	1259	/* get current locale modifier */
1099	if ((p = XSetLocaleModifiers (NULL)) != NULL)	1260	if ((p = XSetLocaleModifiers (NULL)) != NULL)
1100	{	1261	{
1101	STRCPY (server, "@server=");	1262	strcpy (server, "@server=");
1102	STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1263	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1264
1103	if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */	1265	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1104	*p = '\0';	1266	*p = '\0';
1105		1267
1106	atom = XInternAtom (display->display, server, False);	1268	atom = XInternAtom (display->display, server, False);
1107	win = XGetSelectionOwner (display->display, atom);	1269	win = XGetSelectionOwner (display->display, atom);
		1270
1108	if (win != None)	1271	if (win != None)
1109	return True;	1272	return True;
1110	}	1273	}
		1274
1111	return False;	1275	return False;
1112	}	1276	}
1113		1277
1114	void	1278	void
1115	rxvt_term::IMSendSpot ()	1279	rxvt_term::IMSendSpot ()
1116	{	1280	{
1117	XPoint spot;	1281	XPoint nspot;
1118	XVaNestedList preedit_attr;	1282	XVaNestedList preedit_attr;
1119		1283
1120	if (Input_Context == NULL	1284	if (!Input_Context
		1285	|| !focus
1121	|| !TermWin.focus || ! (input_style & XIMPreeditPosition)	1286	|| !(input_style & XIMPreeditPosition))
1122	|| ! (event_type == KeyPress
1123	|| event_type == Expose
1124	|| event_type == NoExpose
1125	|| event_type == SelectionNotify
1126	|| event_type == ButtonRelease || event_type == FocusIn)
1127	|| !IMisRunning ())
1128	return;	1287	return;
1129		1288
1130	im_set_position (&spot);	1289	im_set_position (nspot);
		1290
		1291	if (nspot.x == spot.x && nspot.y == spot.y)
		1292	return;
		1293
		1294	spot = nspot;
1131		1295
1132	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);	1296	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1133	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1297	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1134	XFree (preedit_attr);	1298	XFree (preedit_attr);
1135	}	1299	}
1136		1300
1137	void	1301	void
1138	rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,
1139	XRectangle * needed_rect)
1140	{
1141	int mbh, vtx = 0;
1142
1143	if (scrollbar_visible () && ! (Options & Opt_scrollBar_right))
1144	vtx = scrollbar_TotalWidth ();
1145
1146	mbh = menubar_visible () ? menuBar_TotalHeight () : 0;
1147	mbh -= TermWin.lineSpace;
1148
1149	preedit_rect->x = needed_rect->width + vtx;
1150	preedit_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1151
1152	preedit_rect->width = Width2Pixel (TermWin.ncol + 1) - needed_rect->width + vtx;
1153	preedit_rect->height = Height2Pixel (1);
1154
1155	status_rect->x = vtx;
1156	status_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1157
1158	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel (TermWin.ncol + 1);
1159	status_rect->height = Height2Pixel (1);
1160	}
1161
1162	void
1163	rxvt_term::im_destroy ()	1302	rxvt_term::im_destroy ()
1164	{	1303	{
1165	if (Input_Context)
1166	{
1167	XDestroyIC (Input_Context);
1168	Input_Context = NULL;
1169	}
1170
1171	if (input_method)	1304	if (input_method)
1172	{	1305	{
		1306	if (Input_Context && input_method->xim)
		1307	XDestroyIC (Input_Context);
		1308
1173	display->put_xim (input_method);	1309	display->put_xim (input_method);
1174	input_method = 0;	1310	input_method = 0;
1175	}	1311	}
		1312
		1313	Input_Context = 0;
1176	}	1314	}
1177		1315
1178	/*	1316	/*
1179	* Try to open a XIM with the current modifiers, then see if we can	1317	* Try to open a XIM with the current modifiers, then see if we can
1180	* open a suitable preedit type	1318	* open a suitable preedit type
1181	*/	1319	*/
1182	bool	1320	bool
1183	rxvt_term::IM_get_IC (const char *modifiers)	1321	rxvt_term::IM_get_IC (const char *modifiers)
1184	{	1322	{
1185	int i, j, found;	1323	int i, j, found;
1186	XIM xim;	1324	XIM xim;
1187	XPoint spot;	1325	XPoint spot;
1188	XRectangle rect, status_rect, needed_rect;	1326	XRectangle rect, status_rect, needed_rect;
1189	unsigned long fg, bg;	1327	unsigned long fg, bg;
1190	const char *p;	1328	const char *p;
1191	char **s;	1329	char **s;
1192	XIMStyles *xim_styles;	1330	XIMStyles *xim_styles;
1193	XVaNestedList preedit_attr, status_attr;	1331
		1332	set_environ (envv);
1194		1333
1195	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))	1334	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1196	return false;	1335	return false;
1197		1336
1198	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));	1337	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1199	input_method = display->get_xim (locale, modifiers);	1338	input_method = display->get_xim (locale, modifiers);
1200	if (input_method == NULL)	1339	if (input_method == NULL)
1201	return false;	1340	return false;
1202		1341
1203	xim = input_method->xim;	1342	xim = input_method->xim;
		1343	spot.x = spot.y = -1;
1204		1344
1205	xim_styles = NULL;	1345	xim_styles = NULL;
1206	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1346	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1207	|| !xim_styles || !xim_styles->count_styles)	1347	|| !xim_styles || !xim_styles->count_styles)
1208	{	1348	{
1209	display->put_xim (input_method);	1349	im_destroy ();
1210	return false;	1350	return false;
1211	}	1351	}
1212		1352
1213	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";	1353	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1354
		1355	for (int pi = 0; pi < 2; pi++)
		1356	{
		1357	p = pet[pi];
		1358
		1359	if (!p)
		1360	continue;
		1361
1214	s = rxvt_splitcommastring (p);	1362	s = rxvt_splitcommastring (p);
		1363
1215	for (i = found = 0; !found && s[i]; i++)	1364	for (i = found = 0; !found && s[i]; i++)
1216	{	1365	{
1217	if (!STRCMP (s[i], "OverTheSpot"))	1366	if (!strcmp (s[i], "OverTheSpot"))
1218	input_style = (XIMPreeditPosition | XIMStatusNothing);	1367	input_style = (XIMPreeditPosition | XIMStatusNothing);
1219	else if (!STRCMP (s[i], "OffTheSpot"))	1368	else if (!strcmp (s[i], "OffTheSpot"))
1220	input_style = (XIMPreeditArea | XIMStatusArea);	1369	input_style = (XIMPreeditArea | XIMStatusArea);
1221	else if (!STRCMP (s[i], "Root"))	1370	else if (!strcmp (s[i], "Root"))
1222	input_style = (XIMPreeditNothing | XIMStatusNothing);	1371	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1372	else if (!strcmp (s[i], "None"))
		1373	input_style = (XIMPreeditNone | XIMStatusNone);
1223		1374
1224	for (j = 0; j < xim_styles->count_styles; j++)	1375	for (j = 0; j < xim_styles->count_styles; j++)
1225	if (input_style == xim_styles->supported_styles[j])	1376	if (input_style == xim_styles->supported_styles[j])
1226	{	1377	{
		1378	rxvt_freecommastring (s);
		1379
1227	found = 1;	1380	found = 1;
1228	break;	1381	goto foundpet;
		1382	}
		1383
1229	}	1384	}
1230	}
1231		1385
1232	for (i = 0; s[i]; i++)	1386	rxvt_freecommastring (s);
1233	free (s[i]);	1387	}
1234		1388
1235	free (s);	1389	foundpet:
		1390
1236	XFree (xim_styles);	1391	XFree (xim_styles);
1237		1392
1238	if (!found)	1393	if (!found)
1239	{	1394	{
1240	display->put_xim (input_method);	1395	im_destroy ();
1241	return false;	1396	return false;
1242	}	1397	}
1243		1398
1244	preedit_attr = status_attr = NULL;	1399	XFontSet fs = 0;
		1400	XVaNestedList preedit_attr = 0, status_attr = 0;
		1401
		1402	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1403	{
		1404	// fake us a font-set, please
		1405	char **missing_charset_list;
		1406	int missing_charset_count;
		1407	char *def_string;
		1408	char pat[512];
		1409
		1410	sprintf (pat,
		1411	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1412	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1413	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1414	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1415	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1416	"*",
		1417	fheight,
		1418	fheight + 1, fheight - 1,
		1419	fheight - 2, fheight + 2);
		1420
		1421	fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1422	&missing_charset_list, &missing_charset_count, &def_string);
		1423
		1424	if (missing_charset_list)
		1425	XFreeStringList (missing_charset_list);
		1426
		1427	if (!fs)
		1428	{
		1429	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1430	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1431	}
		1432	}
1245		1433
1246	if (input_style & XIMPreeditPosition)	1434	if (input_style & XIMPreeditPosition)
1247	{	1435	{
1248	im_set_size (&rect);	1436	im_set_size (rect);
1249	im_set_position (&spot);	1437	im_set_position (spot);
1250	im_set_color (&fg, &bg);	1438	im_set_color (fg, bg);
1251		1439
1252	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1440	preedit_attr = XVaCreateNestedList (0,
		1441	XNForeground, fg,
		1442	XNBackground, bg,
		1443	XNArea, &rect,
1253	XNSpotLocation, &spot,	1444	XNSpotLocation, &spot,
1254	XNForeground, fg, XNBackground, bg,
1255	//XNFontSet, TermWin.fontset,	1445	XNFontSet, fs,
1256	NULL);	1446	NULL);
1257	}	1447	}
1258	else if (input_style & XIMPreeditArea)	1448	else if (input_style & XIMPreeditArea)
1259	{	1449	{
1260	im_set_color (&fg, &bg);	1450	im_set_color (fg, bg);
1261		1451
1262	/*	1452	/*
1263	* The necessary width of preedit area is unknown	1453	* The necessary width of preedit area is unknown
1264	* until create input context.	1454	* until create input context.
1265	*/	1455	*/
1266	needed_rect.width = 0;	1456	needed_rect.width = 0;
1267
1268	im_set_preedit_area (&rect, &status_rect, &needed_rect);	1457	im_set_preedit_area (rect, status_rect, needed_rect);
1269		1458
1270	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1459	preedit_attr = XVaCreateNestedList (0,
		1460	XNForeground, fg,
1271	XNForeground, fg, XNBackground, bg,	1461	XNBackground, bg,
		1462	XNArea, &rect,
		1463	XNFontSet, fs,
		1464	NULL);
		1465	status_attr = XVaCreateNestedList (0,
		1466	XNForeground, fg,
		1467	XNBackground, bg,
		1468	XNArea, &status_rect,
1272	//XNFontSet, TermWin.fontset,	1469	XNFontSet, fs,
1273	NULL);	1470	NULL);
1274	status_attr = XVaCreateNestedList (0, XNArea, &status_rect,
1275	XNForeground, fg, XNBackground, bg,
1276	//XNFontSet, TermWin.fontset,
1277	NULL);
1278	}	1471	}
1279		1472
1280	Input_Context = XCreateIC (xim, XNInputStyle, input_style,	1473	Input_Context = XCreateIC (xim,
		1474	XNInputStyle, input_style,
1281	XNClientWindow, TermWin.parent[0],	1475	XNClientWindow, vt,
1282	XNFocusWindow, TermWin.parent[0],	1476	XNFocusWindow, parent[0],
1283	preedit_attr ? XNPreeditAttributes : NULL,	1477	preedit_attr ? XNPreeditAttributes : NULL,
1284	preedit_attr,	1478	preedit_attr,
1285	status_attr ? XNStatusAttributes : NULL,	1479	status_attr ? XNStatusAttributes : NULL,
1286	status_attr, NULL);	1480	status_attr, NULL);
		1481
1287	if (preedit_attr) XFree (preedit_attr);	1482	if (preedit_attr) XFree (preedit_attr);
1288	if (status_attr) XFree (status_attr);	1483	if (status_attr) XFree (status_attr);
		1484	if (fs) XFreeFontSet (display->display, fs);
1289		1485
1290	if (Input_Context == NULL)	1486	if (Input_Context == NULL)
1291	{	1487	{
1292	rxvt_print_error ("failed to create input context");	1488	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1293	display->put_xim (input_method);	1489	im_destroy ();
1294	return false;	1490	return false;
1295	}	1491	}
1296		1492
1297	if (input_style & XIMPreeditArea)	1493	if (input_style & XIMPreeditArea)
1298	IMSetStatusPosition ();	1494	IMSetStatusPosition ();
…		…
1302	}	1498	}
1303		1499
1304	void	1500	void
1305	rxvt_term::im_cb ()	1501	rxvt_term::im_cb ()
1306	{	1502	{
1307	int i, found, had_im;	1503	int i;
1308	const char *p;	1504	const char *p;
1309	char **s;	1505	char **s;
1310	char buf[IMBUFSIZ];	1506	char buf[IMBUFSIZ];
1311		1507
		1508	make_current ();
		1509
1312	im_destroy ();	1510	im_destroy ();
1313		1511
1314	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));	1512	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1315	if (Input_Context)	1513	if (Input_Context)
1316	return;	1514	return;
…		…
1324	if (p && *p)	1522	if (p && *p)
1325	{	1523	{
1326	bool found = false;	1524	bool found = false;
1327		1525
1328	s = rxvt_splitcommastring (p);	1526	s = rxvt_splitcommastring (p);
		1527
1329	for (i = 0; s[i]; i++)	1528	for (i = 0; s[i]; i++)
1330	{	1529	{
1331	if (*s[i])	1530	if (*s[i])
1332	{	1531	{
1333	STRCPY (buf, "@im=");	1532	strcpy (buf, "@im=");
1334	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1533	strncat (buf, s[i], IMBUFSIZ - 5);
1335	if (IM_get_IC (buf))	1534	if (IM_get_IC (buf))
1336	{	1535	{
1337	found = true;	1536	found = true;
1338	break;	1537	break;
1339	}	1538	}
1340	}	1539	}
1341	}	1540	}
1342	for (i = 0; s[i]; i++)	1541
1343	free (s[i]);	1542	rxvt_freecommastring (s);
1344	free (s);
1345		1543
1346	if (found)	1544	if (found)
1347	goto done;	1545	goto done;
1348	}	1546	}
1349		1547
…		…
1363	}	1561	}
1364		1562
1365	void	1563	void
1366	rxvt_term::IMSetStatusPosition ()	1564	rxvt_term::IMSetStatusPosition ()
1367	{	1565	{
1368	XRectangle preedit_rect, status_rect, *needed_rect;	1566	XRectangle preedit_rect, status_rect, *needed_rect;
1369	XVaNestedList preedit_attr, status_attr;	1567	XVaNestedList preedit_attr, status_attr;
1370		1568
1371	if (Input_Context == NULL	1569	if (!Input_Context
		1570	|| !focus
1372	|| !TermWin.focus || ! (input_style & XIMPreeditArea)	1571	|| !(input_style & XIMPreeditArea)
1373	|| !IMisRunning ())	1572	|| !IMisRunning ())
1374	return;	1573	return;
1375		1574
1376	/* Getting the necessary width of preedit area */	1575	/* Getting the necessary width of preedit area */
1377	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);	1576	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1378	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);	1577	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1379	XFree (status_attr);	1578	XFree (status_attr);
1380		1579
1381	im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);	1580	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1581	XFree (needed_rect);
1382		1582
1383	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);	1583	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1384	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);	1584	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1385		1585
1386	XSetICValues (Input_Context,	1586	XSetICValues (Input_Context,
1387	XNPreeditAttributes, preedit_attr,	1587	XNPreeditAttributes, preedit_attr,
1388	XNStatusAttributes, status_attr, NULL);	1588	XNStatusAttributes, status_attr, NULL);
1389		1589
1390	XFree (preedit_attr);	1590	XFree (preedit_attr);
1391	XFree (status_attr);	1591	XFree (status_attr);
1392	}	1592	}
1393	#endif /* USE_XIM */	1593	#endif /* USE_XIM */
1394		1594
1395	/*----------------------------------------------------------------------*/
1396	rxvt_t rxvt_current_term;
1397
1398	/*----------------------- end-of-file (C source) -----------------------*/	1595	/*----------------------- end-of-file (C source) -----------------------*/

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