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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.3 by pcg, Tue Nov 25 11:52:42 2003 UTC vs.
Revision 1.132 by root, Thu Feb 3 07:18:30 2005 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*--------------------------------*-C-*---------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.3 2003/11/25 11:52:42 pcg Exp $
5	*	4	*
6	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
7	* 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>
8	* - original version	7	* - original version
9	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>	8	* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
…		…
12	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13	* - extensive modifications	12	* - extensive modifications
14	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16	* - extensive modifications	15	* - extensive modifications
		16	* Copyright (c) 2003-2004 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.
…		…
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 "main.intpro" /* PROTOS for internal routines */
36		36
37	#include <signal.h>	37	#include <csignal>
		38	#include <cstring>
38		39
39	#ifdef TTY_GID_SUPPORT	40	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>	41	# include <grp.h>
41	#endif	42	#endif
42		43
43	#ifdef HAVE_TERMIOS_H	44	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	45	# include <termios.h>
45	#endif	46	#endif
46		47
		48	#ifdef KEYSYM_RESOURCE
		49	# include "keyboard.h"
		50	#endif
		51
		52	vector<rxvt_term *> rxvt_term::termlist;
		53
		54	static char curlocale[128];
		55
		56	bool
		57	rxvt_set_locale (const char *locale)
		58	{
		59	if (!locale || !strncmp (locale, curlocale, 128))
		60	return false;
		61
		62	strncpy (curlocale, locale, 128);
		63	setlocale (LC_CTYPE, curlocale);
		64	return true;
		65	}
		66
		67	#if ENABLE_COMBINING
		68	class rxvt_composite_vec rxvt_composite;
		69
		70	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		71	{
		72	compose_char *cc;
		73
		74	// break compose chains, as stupid readline really likes to duplicate
		75	// composing characters for some reason near the end of a line.
		76	cc = (*this)[c1];
		77	while (cc)
		78	{
		79	if (cc->c2 == c2) return c1;
		80	cc = (*this)[cc->c1];
		81	}
		82
		83	// check to see wether this combination already exists otherwise
		84	for (cc = v.end (); cc-- > v.begin (); )
		85	{
		86	if (cc->c1 == c1 && cc->c2 == c2)
		87	return COMPOSE_LO + (cc - v.begin ());
		88	}
		89
		90	// allocate a new combination
		91	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		92	{
		93	static int seen;
		94
		95	if (!seen++)
		96	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		97
		98	return REPLACEMENT_CHAR;
		99	}
		100
		101	v.push_back (compose_char (c1, c2));
		102
		103	return v.size () - 1 + COMPOSE_LO;
		104	}
		105
		106	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		107	{
		108	compose_char *cc = (*this)[c];
		109
		110	if (!cc)
		111	{
		112	if (r) *r = c;
		113	return 1;
		114	}
		115
		116	int len = expand (cc->c1, r);
		117
		118	if (r) r += len;
		119
		120	if (cc->c2 != NOCHAR)
		121	{
		122	len++;
		123	if (r) *r++ = cc->c2;
		124	}
		125
		126	return len;
		127
		128	}
		129	#endif
		130
47	rxvt_term::rxvt_term()	131	rxvt_term::rxvt_term ()
		132	:
		133	#if TRANSPARENT
		134	rootwin_ev (this, &rxvt_term::rootwin_cb),
		135	#endif
		136	#ifdef HAVE_SCROLLBARS
		137	scrollbar_ev (this, &rxvt_term::x_cb),
		138	#endif
		139	#ifdef MENUBAR
		140	menubar_ev (this, &rxvt_term::x_cb),
		141	#endif
		142	#ifdef CURSOR_BLINK
		143	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
		144	#endif
		145	#ifdef TEXT_BLINK
		146	text_blink_ev (this, &rxvt_term::text_blink_cb),
		147	#endif
		148	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		149	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
		150	#endif
		151	#ifdef SELECTION_SCROLLING
		152	sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
		153	#endif
		154	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		155	slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
		156	#endif
		157	#ifdef POINTER_BLANK
		158	pointer_ev (this, &rxvt_term::pointer_cb),
		159	#endif
		160	#ifdef USE_XIM
		161	im_ev (this, &rxvt_term::im_cb),
		162	#endif
		163	sw_term (this, &rxvt_term::sig_term),
		164	sw_int (this, &rxvt_term::sig_term),
		165	sw_chld (this, &rxvt_term::sig_chld),
		166	termwin_ev (this, &rxvt_term::x_cb),
		167	vt_ev (this, &rxvt_term::x_cb),
		168	check_ev (this, &rxvt_term::check_cb),
		169	flush_ev (this, &rxvt_term::flush_cb),
		170	destroy_ev (this, &rxvt_term::destroy_cb),
48	: pty_ev(this, &rxvt_term::pty_cb),	171	pty_ev (this, &rxvt_term::pty_cb),
49	x_ev (this, &rxvt_term::x_cb)	172	incr_ev (this, &rxvt_term::incr_cb)
50	{	173	{
51	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	174	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
52	}
53		175
		176	termlist.push_back (this);
		177
		178	#ifdef KEYSYM_RESOURCE
		179	keyboard = new keyboard_manager;
		180
		181	if (!keyboard)
		182	rxvt_fatal ("out of memory, aborting.\n");
		183	#endif
		184	}
		185
		186	rxvt_term::~rxvt_term ()
		187	{
		188	termlist.erase (find (termlist.begin (), termlist.end(), this));
		189
		190	if (cmd_pid)
		191	kill (-cmd_pid, SIGHUP);
		192
		193	#ifdef UTMP_SUPPORT
		194	privileged_utmp (RESTORE);
		195	#endif
		196
		197	pty.put ();
		198
		199	#if ENABLE_STYLES
		200	for (int i = RS_styleCount; --i; )
		201	if (TermWin.fontset[i] != TermWin.fontset[0])
		202	delete TermWin.fontset[i];
		203	#endif
		204	delete TermWin.fontset[0];
		205
		206	if (display)
		207	{
		208	selection_clear ();
		209
		210	#ifdef USE_XIM
		211	im_destroy ();
		212	#endif
		213	#ifdef MENUBAR
		214	if (menubarGC) XFreeGC (display->display, menubarGC);
		215	#endif
		216	#ifdef XTERM_SCROLLBAR
		217	if (xscrollbarGC) XFreeGC (display->display, xscrollbarGC);
		218	if (ShadowGC) XFreeGC (display->display, ShadowGC);
		219	#endif
		220	#ifdef PLAIN_SCROLLBAR
		221	if (pscrollbarGC) XFreeGC (display->display, pscrollbarGC);
		222	#endif
		223	#ifdef NEXT_SCROLLBAR
		224	if (blackGC) XFreeGC (display->display, blackGC);
		225	if (whiteGC) XFreeGC (display->display, whiteGC);
		226	if (grayGC) XFreeGC (display->display, grayGC);
		227	if (darkGC) XFreeGC (display->display, darkGC);
		228	if (stippleGC) XFreeGC (display->display, stippleGC);
		229	if (dimple) XFreePixmap (display->display, dimple);
		230	if (upArrow) XFreePixmap (display->display, upArrow);
		231	if (downArrow) XFreePixmap (display->display, downArrow);
		232	if (upArrowHi) XFreePixmap (display->display, upArrowHi);
		233	if (downArrowHi) XFreePixmap (display->display, downArrowHi);
		234	#endif
		235	#if defined(MENUBAR) || defined(RXVT_SCROLLBAR)
		236	if (topShadowGC) XFreeGC (display->display, topShadowGC);
		237	if (botShadowGC) XFreeGC (display->display, botShadowGC);
		238	if (scrollbarGC) XFreeGC (display->display, scrollbarGC);
		239	#endif
		240	if (TermWin.gc) XFreeGC (display->display, TermWin.gc);
		241
		242	#if defined(MENUBAR) && (MENUBAR_MAX > 1)
		243	delete menuBar.drawable;
		244	//if (menuBar.win)
		245	// XDestroyWindow (display->display, menuBar.win);
		246	#endif
		247	delete TermWin.drawable;
		248	// destroy all windows
		249	if (TermWin.parent[0])
		250	XDestroyWindow (display->display, TermWin.parent[0]);
		251	}
		252
		253	// TODO: free pixcolours, colours should become part of rxvt_display
		254
		255	delete pix_colors_focused;
		256	#ifdef OFF_FOCUS_FADING
		257	delete pix_colors_unfocused;
		258	#endif
		259
		260	displays.put (display);
		261
		262	scr_release ();
		263
		264	/* clear all resources */
		265	for (int i = 0; i < allocated.size (); i++)
		266	free (allocated[i]);
		267
		268	free (selection.text);
		269	// TODO: manage env vars in child only(!)
		270	free (env_windowid);
		271	free (env_display);
		272	free (env_term);
		273	free (env_colorfgbg);
		274	free (locale);
		275	free (v_buffer);
		276	free (incr_buf);
		277
		278	delete envv;
		279	delete argv;
		280
		281	#ifdef KEYSYM_RESOURCE
		282	delete keyboard;
		283	#endif
		284	}
		285
54	void *	286	void
55	rxvt_term::operator new (size_t s)	287	rxvt_term::destroy ()
56	{	288	{
57	void *p = malloc (s);	289	if (destroy_ev.active)
58
59	MEMSET (p, 0, s);
60	return p;	290	return;
61	}
62		291
		292	#if ENABLE_OVERLAY
		293	scr_overlay_off ();
		294	#endif
		295
		296	if (display)
		297	{
		298	#if USE_XIM
		299	im_ev.stop (display);
		300	#endif
		301	#if HAVE_SCROLLBARS
		302	scrollbar_ev.stop (display);
		303	#endif
		304	#if MENUBAR
		305	menubar_ev.stop (display);
		306	#endif
		307	#if TRANSPARENT
		308	rootwin_ev.stop (display);
		309	#endif
		310	incr_ev.stop ();
		311	termwin_ev.stop (display);
		312	vt_ev.stop (display);
		313	}
		314
		315	check_ev.stop ();
		316	pty_ev.stop ();
		317	#ifdef CURSOR_BLINK
		318	cursor_blink_ev.stop ();
		319	#endif
		320	#ifdef TEXT_BLINK
		321	text_blink_ev.stop ();
		322	#endif
		323	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		324	cont_scroll_ev.stop ();
		325	#endif
		326	#ifdef SELECTION_SCROLLING
		327	sel_scroll_ev.stop ();
		328	#endif
		329	#ifdef POINTER_BLANK
		330	pointer_ev.stop ();
		331	#endif
		332
		333	destroy_ev.start (0);
		334	}
		335
63	void	336	void
64	rxvt_term::operator delete (void *p, size_t s)	337	rxvt_term::destroy_cb (time_watcher &w)
65	{	338	{
66	free (p);	339	SET_R (this);
		340
		341	delete this;
67	}	342	}
68		343
69	/*----------------------------------------------------------------------*/	344	/*----------------------------------------------------------------------*/
70	/* rxvt_init() */	345	/* rxvt_init () */
71	/* LIBPROTO */	346	bool
72	rxvt_t
73	rxvt_init(int argc, const char *const *argv)	347	rxvt_term::init (int argc, const char *const *argv)
74	{	348	{
75	const char **cmd_argv;	349	SET_R (this);
76		350
77	SET_R(new rxvt_term);	351	set_locale ("");
78	dR;
79		352
80	if (rxvt_init_vars(aR) < 0)	353	if (!init_vars ())
81	{	354	return false;
82	free(R);
83	return NULL;
84	}
85		355
86	/*
87	* Save and then give up any super-user privileges
88	* If we need privileges in any area then we must specifically request it.
89	* We should only need to be root in these cases:
90	* 1. write utmp entries on some systems
91	* 2. chown tty on some systems
92	*/
93	rxvt_privileges(aR_ SAVE);
94	rxvt_privileges(aR_ IGNORE);
95
96	rxvt_init_secondary(aR);	356	init_secondary ();
97		357
98	cmd_argv = rxvt_init_resources(aR_ argc, argv);	358	const char **cmd_argv = init_resources (argc, argv);
99		359
100	R->x_ev.start (ConnectionNumber (R->Xdisplay), EVENT_READ);	360	#ifdef KEYSYM_RESOURCE
		361	keyboard->register_done ();
		362	#endif
101		363
		364	#if MENUBAR_MAX
		365	menubar_read (rs[Rs_menu]);
		366	#endif
		367	#ifdef HAVE_SCROLLBARS
		368	if (options & Opt_scrollBar)
		369	scrollBar.setIdle (); /* set existence for size calculations */
		370	#endif
		371
		372	create_windows (argc, argv);
		373
		374	init_xlocale ();
		375
		376	scr_reset (); /* initialize screen */
		377
		378	#if 0
		379	XSynchronize (display->display, True);
		380	#endif
		381
		382	#ifdef HAVE_SCROLLBARS
		383	if (options & Opt_scrollBar)
		384	resize_scrollbar (); /* create and map scrollbar */
		385	#endif
102	#if (MENUBAR_MAX)	386	#if (MENUBAR_MAX)
103	rxvt_menubar_read(aR_ R->rs[Rs_menu]);
104	#endif
105	#ifdef HAVE_SCROLLBARS
106	if (R->Options & Opt_scrollBar)
107	scrollbar_setIdle(); /* set existence for size calculations */
108	#endif
109
110	rxvt_Create_Windows(aR_ argc, argv);
111
112	rxvt_init_xlocale(aR);
113
114	rxvt_scr_reset(aR); /* initialize screen */
115	#ifdef RXVT_GRAPHICS
116	rxvt_Gr_reset(aR); /* reset graphics */
117	#endif
118
119	#if 0
120	#ifdef DEBUG_X
121	XSynchronize(R->Xdisplay, True);
122	XSetErrorHandler((XErrorHandler) abort);
123	#else
124	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
125	#endif
126	#endif
127
128	#ifdef HAVE_SCROLLBARS
129	if (R->Options & Opt_scrollBar)
130	rxvt_Resize_scrollBar(aR); /* create and map scrollbar */
131	#endif
132	#if (MENUBAR_MAX)
133	if (menubar_visible(r))	387	if (menubar_visible ())
134	XMapWindow(R->Xdisplay, R->menuBar.win);	388	XMapWindow (display->display, menuBar.win);
135	#endif	389	#endif
136	#ifdef TRANSPARENT	390	#ifdef TRANSPARENT
137	if (R->Options & Opt_transparent)	391	if (options & Opt_transparent)
138	{	392	{
139	XSelectInput(R->Xdisplay, Xroot, PropertyChangeMask);	393	XSelectInput (display->display, display->root, PropertyChangeMask);
140	rxvt_check_our_parents(aR);	394	check_our_parents ();
		395	rootwin_ev.start (display, display->root);
141	}	396	}
142	#endif	397	#endif
		398
143	XMapWindow(R->Xdisplay, R->TermWin.vt);	399	XMapWindow (display->display, TermWin.vt);
144	XMapWindow(R->Xdisplay, R->TermWin.parent[0]);	400	XMapWindow (display->display, TermWin.parent[0]);
145		401
146	rxvt_init_env(aR);	402	set_colorfgbg ();
		403
147	rxvt_init_command(aR_ cmd_argv);	404	init_command (cmd_argv);
148		405
149	R->pty_ev.start (R->cmd_fd, EVENT_READ);	406	free (cmd_argv);
150		407
151	return R;	408	pty_ev.start (pty.pty, EVENT_READ);
		409
		410	check_ev.start ();
		411
		412	return true;
		413	}
		414
		415	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
		416
		417	void
		418	rxvt_init ()
		419	{
		420	/*
		421	* Save and then give up any super-user privileges
		422	* If we need privileges in any area then we must specifically request it.
		423	* We should only need to be root in these cases:
		424	* 1. write utmp entries on some systems
		425	* 2. chown tty on some systems
		426	*/
		427	rxvt_privileges (SAVE);
		428	rxvt_privileges (IGNORE);
		429
		430	signal (SIGHUP, SIG_IGN);
		431	signal (SIGPIPE, SIG_IGN);
		432
		433	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		434	/* signal (SIGURG, SIG_DFL); */
		435
		436	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		437	// TODO: handle this with exceptions and tolerate the memory loss
		438	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
152	}	439	}
153		440
154	/* ------------------------------------------------------------------------- *	441	/* ------------------------------------------------------------------------- *
155	* SIGNAL HANDLING & EXIT HANDLER *	442	* SIGNAL HANDLING & EXIT HANDLER *
156	* ------------------------------------------------------------------------- */	443	* ------------------------------------------------------------------------- */
157	/*	444	/*
158	* Catch a SIGCHLD signal and exit if the direct child has died	445	* Catch a SIGCHLD signal and exit if the direct child has died
159	*/	446	*/
160	/* ARGSUSED */
161	/* EXTPROTO */
162	RETSIGTYPE
163	rxvt_Child_signal(int sig __attribute__ ((unused)))
164	{
165	dR;
166	int pid, save_errno = errno;
167		447
168	do {	448	void
169	errno = 0;	449	rxvt_term::sig_chld (sig_watcher &w)
170	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);	450	{
		451	// we are being called for every SIGCHLD, not just ours
		452	int pid;
171		453
		454	while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
		455	for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
172	if (pid == R->cmd_pid)	456	if (pid == (*t)->cmd_pid)
173	exit(EXIT_SUCCESS);	457	{
174		458	(*t)->destroy ();
175	errno = save_errno;	459	break;
176	signal(SIGCHLD, rxvt_Child_signal);	460	}
177	}
178
179	/*
180	* Catch a fatal signal and tidy up before quitting
181	*/
182	/* EXTPROTO */
183	RETSIGTYPE
184	rxvt_Exit_signal(int sig)
185	{
186	signal(sig, SIG_DFL);
187	#ifdef DEBUG_CMD
188	rxvt_print_error("signal %d", sig);
189	#endif
190	rxvt_clean_exit();
191	kill(getpid(), sig);
192	}
193
194	/* ARGSUSED */
195	/* INTPROTO */
196	int
197	rxvt_xerror_handler(const Display * display
198	__attribute__ ((unused)), const XErrorEvent * event)
199	{
200	dR;
201
202	if (R->allowedxerror == -1) {
203	R->allowedxerror = event->error_code;
204	return 0; /* ignored anyway */
205	}
206	rxvt_print_error("XError: Request: %d . %d, Error: %d",
207	event->request_code, event->minor_code,
208	event->error_code);
209	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */
210	exit(EXIT_FAILURE);
211	/* NOTREACHED */
212	}	461	}
213		462
214	/*----------------------------------------------------------------------*/	463	/*----------------------------------------------------------------------*/
215	/*	464	/*
216	* Exit gracefully, clearing the utmp entry and restoring tty attributes	465	* Exit gracefully, clearing the utmp entry and restoring tty attributes
217	* TODO: if debugging, this should free up any known resources if we can	466	* TODO: if debugging, this should free up any known resources if we can
218	*/	467	*/
		468	void
		469	rxvt_destroy_all ()
		470	{
		471	// TODO: rxvtd should clean up all ressources
		472	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		473	(*t)->destroy ();
		474	}
		475
		476	/*
		477	* Catch a fatal signal and tidy up before quitting
		478	*/
		479	void
		480	rxvt_term::sig_term (sig_watcher &w)
		481	{
		482	#ifdef DEBUG_CMD
		483	rxvt_warn ("caught signal %d, exiting.\n", w.signum);
		484	#endif
		485	rxvt_destroy_all ();
		486	signal (w.signum, SIG_DFL);
		487	kill (getpid (), w.signum);
		488	}
		489
219	/* EXTPROTO */	490	/* INTPROTO */
220	void	491	int
221	rxvt_clean_exit(void)	492	rxvt_xerror_handler (Display *display, XErrorEvent *event)
222	{	493	{
223	dR;	494	if (GET_R->allowedxerror == -1)
224		495	GET_R->allowedxerror = event->error_code;
225	#ifdef DEBUG_SCREEN	496	else
226	rxvt_scr_release(aR);
227	#endif
228	#ifndef NO_SETOWNER_TTYDEV
229	rxvt_privileged_ttydev(aR_ RESTORE);
230	#endif
231	#ifdef UTMP_SUPPORT
232	rxvt_privileged_utmp(aR_ RESTORE);
233	#endif
234	#ifdef USE_XIM
235	if (R->Input_Context != NULL) {
236	XDestroyIC(R->Input_Context);
237	R->Input_Context = NULL;
238	}	497	{
239	#endif	498	old_xerror_handler (display, event);
		499	GET_R->destroy ();
		500	}
		501
		502	return 0;
240	}	503	}
241		504
242	/* ------------------------------------------------------------------------- *	505	/* ------------------------------------------------------------------------- *
243	* MEMORY ALLOCATION WRAPPERS *	506	* MEMORY ALLOCATION WRAPPERS *
244	* ------------------------------------------------------------------------- */	507	* ------------------------------------------------------------------------- */
		508	void *
		509	rxvt_malloc (size_t size)
		510	{
		511	void *p = malloc (size);
		512
		513	if (!p)
		514	rxvt_fatal ("memory allocation failure. aborting.\n");
		515
		516	return p;
		517	}
		518
245	/* EXTPROTO */	519	/* INTPROTO */
246	void *	520	void *
247	rxvt_malloc(size_t size)	521	rxvt_calloc (size_t number, size_t size)
248	{	522	{
249	void *p;	523	void *p = calloc (number, size);
250		524
251	p = malloc(size);
252	if (p)	525	if (!p)
		526	rxvt_fatal ("memory allocation failure. aborting.\n");
		527
253	return p;	528	return p;
254
255	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
256	rxvt_clean_exit();
257	exit(EXIT_FAILURE);
258	/* NOTREACHED */
259	}	529	}
260		530
261	/* EXTPROTO */	531	/* INTPROTO */
262	void *	532	void *
263	rxvt_calloc(size_t number, size_t size)
264	{
265	void *p;
266
267	p = calloc(number, size);
268	if (p)
269	return p;
270
271	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
272	rxvt_clean_exit();
273	exit(EXIT_FAILURE);
274	/* NOTREACHED */
275	}
276
277	/* EXTPROTO */
278	void *
279	rxvt_realloc(void *ptr, size_t size)	533	rxvt_realloc (void *ptr, size_t size)
280	{	534	{
281	void *p;
282
283	if (ptr)
284	p = realloc(ptr, size);	535	void *p = realloc (ptr, size);
285	else	536
286	p = malloc(size);
287	if (p)	537	if (!p)
		538	rxvt_fatal ("memory allocation failure. aborting.\n");
		539
288	return p;	540	return p;
289
290	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
291	rxvt_clean_exit();
292	exit(EXIT_FAILURE);
293	/* NOTREACHED */
294	}	541	}
295		542
296	/* ------------------------------------------------------------------------- *	543	/* ------------------------------------------------------------------------- *
297	* PRIVILEGED OPERATIONS *	544	* PRIVILEGED OPERATIONS *
298	* ------------------------------------------------------------------------- */	545	* ------------------------------------------------------------------------- */
299	/* take care of suid/sgid super-user (root) privileges */	546	/* take care of suid/sgid super-user (root) privileges */
300	/* INTPROTO */
301	void	547	void
302	rxvt_privileges(pR_ int mode)	548	rxvt_privileges (rxvt_privaction action)
303	{	549	{
		550	#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
		551	static uid_t euid;
		552	static gid_t egid;
		553	#endif
		554
304	#if ! defined(__CYGWIN32__)	555	#if ! defined(__CYGWIN32__)
305	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	556	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
306	/* setreuid() is the poor man's setuid(), seteuid() */	557	/* setreuid () is the poor man's setuid (), seteuid () */
307	# define seteuid(a) setreuid(-1, (a))	558	# define seteuid(a) setreuid(-1, (a))
308	# define setegid(a) setregid(-1, (a))	559	# define setegid(a) setregid(-1, (a))
309	# define HAVE_SETEUID	560	# define HAVE_SETEUID
310	# endif	561	# endif
311	# ifdef HAVE_SETEUID	562	# ifdef HAVE_SETEUID
312	switch (mode) {	563	switch (action)
		564	{
313	case IGNORE:	565	case IGNORE:
314	/*	566	/*
315	* change effective uid/gid - not real uid/gid - so we can switch	567	* change effective uid/gid - not real uid/gid - so we can switch
316	* back to root later, as required	568	* back to root later, as required
317	*/	569	*/
318	seteuid(getuid());	570	seteuid (getuid ());
319	setegid(getgid());	571	setegid (getgid ());
320	break;	572	break;
321	case SAVE:	573	case SAVE:
322	R->euid = geteuid();	574	euid = geteuid ();
323	R->egid = getegid();	575	egid = getegid ();
324	break;	576	break;
325	case RESTORE:	577	case RESTORE:
326	seteuid(R->euid);	578	seteuid (euid);
327	setegid(R->egid);	579	setegid (egid);
328	break;	580	break;
329	}	581	}
330	# else	582	# else
331	switch (mode) {	583	switch (action)
		584	{
332	case IGNORE:	585	case IGNORE:
333	setuid(getuid());	586	setuid (getuid ());
334	setgid(getgid());	587	setgid (getgid ());
335	/* FALLTHROUGH */	588	/* FALLTHROUGH */
336	case SAVE:	589	case SAVE:
337	/* FALLTHROUGH */	590	/* FALLTHROUGH */
338	case RESTORE:	591	case RESTORE:
339	break;	592	break;
340	}	593	}
341	# endif	594	# endif
342	#endif	595	#endif
343	}	596	}
344		597
345	#ifdef UTMP_SUPPORT	598	#ifdef UTMP_SUPPORT
346	/* EXTPROTO */
347	void	599	void
348	rxvt_privileged_utmp(pR_ char action)	600	rxvt_term::privileged_utmp (rxvt_privaction action)
349	{	601	{
350	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
351	action, R->next_utmp_action, getpid()));
352	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
353	|| (R->Options & Opt_utmpInhibit)	602	if ((options & Opt_utmpInhibit)
354	|| R->ttydev == NULL || *R->ttydev == '\0')	603	|| !pty.name || !*pty.name)
355	return;	604	return;
356		605
357	rxvt_privileges(aR_ RESTORE);	606	rxvt_privileges (RESTORE);
		607
358	if (action == SAVE) {	608	if (action == SAVE)
359	R->next_utmp_action = RESTORE;	609	makeutent (pty.name, rs[Rs_display_name]);
360	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);	610	else
361	} else { /* action == RESTORE */	611	cleanutent ();
362	R->next_utmp_action = IGNORE;	612
363	rxvt_cleanutent(aR);
364	}
365	rxvt_privileges(aR_ IGNORE);	613	rxvt_privileges (IGNORE);
366	}
367	#endif
368
369	#ifndef NO_SETOWNER_TTYDEV
370	/* EXTPROTO */
371	void
372	rxvt_privileged_ttydev(pR_ char action)
373	{
374	D_MAIN((stderr,
375	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
376	action, R->next_tty_action, getpid()));
377	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
378	|| R->ttydev == NULL || *R->ttydev == '\0')
379	return;
380
381	rxvt_privileges(aR_ RESTORE);
382
383	if (action == SAVE) {
384	R->next_tty_action = RESTORE;
385	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
386	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
387	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
388	R->next_tty_action = IGNORE;
389	else
390	# endif
391	{
392	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
393	chmod(R->ttydev, R->ttymode);
394	# ifdef HAVE_REVOKE
395	revoke(R->ttydev);
396	# endif
397	}
398	} else { /* action == RESTORE */
399	R->next_tty_action = IGNORE;
400	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
401	chmod(R->ttydev, R->ttyfd_stat.st_mode);
402	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
403	# else
404	chmod(R->ttydev,
405	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
406	chown(R->ttydev, 0, 0);
407	# endif
408	}
409
410	rxvt_privileges(aR_ IGNORE);
411
412	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
413	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
414	action == RESTORE ? "Restoring" : (action ==
415	SAVE ? "Saving" :
416	"UNKNOWN ERROR for"), R->ttydev,
417	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
418	R->ttyfd_stat.st_gid));
419	# endif
420	}	614	}
421	#endif	615	#endif
422		616
423	/*----------------------------------------------------------------------*/	617	/*----------------------------------------------------------------------*/
424	/*	618	/*
425	* window size/position calculcations for XSizeHint and other storage.	619	* window size/position calculcations for XSizeHint and other storage.
426	* if width/height are non-zero then override calculated width/height	620	* if width/height are non-zero then override calculated width/height
427	*/	621	*/
428	/* EXTPROTO */
429	void	622	void
430	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	623	rxvt_term::window_calc (unsigned int width, unsigned int height)
431	{	624	{
432	short recalc_x, recalc_y;	625	short recalc_x, recalc_y;
433	int x, y, sb_w, mb_h, flags;	626	int x, y, sb_w, mb_h, flags;
434	unsigned int w, h;	627	unsigned int w, h;
435	unsigned int max_width, max_height;	628	unsigned int max_width, max_height;
436		629
437	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	630	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
438	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	631	TermWin.ncol, TermWin.nrow, szHint.width,
439	R->szHint.height));	632	szHint.height));
440	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	633	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
441	R->szHint.win_gravity = NorthWestGravity;	634	szHint.win_gravity = NorthWestGravity;
442	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	635	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
443		636
444	recalc_x = recalc_y = 0;	637	recalc_x = recalc_y = 0;
445	flags = 0;	638	flags = 0;
446	if (!R->parsed_geometry) {	639	if (!parsed_geometry)
		640	{
447	R->parsed_geometry = 1;	641	parsed_geometry = 1;
448	if (R->rs[Rs_geometry])	642	if (rs[Rs_geometry])
449	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	643	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
450	if (flags & WidthValue) {	644	if (flags & WidthValue)
		645	{
451	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	646	TermWin.ncol = BOUND_POSITIVE_INT16 (w);
452	R->szHint.flags |= USSize;	647	szHint.flags |= USSize;
453	}	648	}
454	if (flags & HeightValue) {	649	if (flags & HeightValue)
		650	{
455	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	651	TermWin.nrow = BOUND_POSITIVE_INT16 (h);
456	R->szHint.flags |= USSize;	652	szHint.flags |= USSize;
457	}	653	}
458	if (flags & XValue) {	654	if (flags & XValue)
		655	{
459	R->szHint.x = x;	656	szHint.x = x;
460	R->szHint.flags |= USPosition;	657	szHint.flags |= USPosition;
461	if (flags & XNegative) {	658	if (flags & XNegative)
		659	{
462	recalc_x = 1;	660	recalc_x = 1;
463	R->szHint.win_gravity = NorthEastGravity;	661	szHint.win_gravity = NorthEastGravity;
464	}	662	}
465	}	663	}
466	if (flags & YValue) {	664	if (flags & YValue)
		665	{
467	R->szHint.y = y;	666	szHint.y = y;
468	R->szHint.flags |= USPosition;	667	szHint.flags |= USPosition;
469	if (flags & YNegative) {	668	if (flags & YNegative)
		669	{
470	recalc_y = 1;	670	recalc_y = 1;
471	if (R->szHint.win_gravity == NorthEastGravity)	671	if (szHint.win_gravity == NorthEastGravity)
472	R->szHint.win_gravity = SouthEastGravity;	672	szHint.win_gravity = SouthEastGravity;
473	else	673	else
474	R->szHint.win_gravity = SouthWestGravity;	674	szHint.win_gravity = SouthWestGravity;
475	}	675	}
476	}	676	}
477	}	677	}
		678
478	/* TODO: BOUNDS */	679	/* TODO: BOUNDS */
479	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	680	TermWin.width = TermWin.ncol * TermWin.fwidth;
480	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	681	TermWin.height = TermWin.nrow * TermWin.fheight;
481	max_width = MAX_COLS * R->TermWin.fwidth;	682	max_width = MAX_COLS * TermWin.fwidth;
482	max_height = MAX_ROWS * R->TermWin.fheight;	683	max_height = MAX_ROWS * TermWin.fheight;
483		684
484	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	685	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;
485		686
486	sb_w = mb_h = 0;	687	sb_w = mb_h = 0;
487	R->window_vt_x = R->window_vt_y = 0;	688	window_vt_x = window_vt_y = TermWin.int_bwidth;
		689
488	if (scrollbar_visible(R)) {	690	if (scrollbar_visible ())
		691	{
489	sb_w = scrollbar_TotalWidth();	692	sb_w = scrollbar_TotalWidth ();
490	R->szHint.base_width += sb_w;	693	szHint.base_width += sb_w;
491	if (!(R->Options & Opt_scrollBar_right))	694	if (!(options & Opt_scrollBar_right))
492	R->window_vt_x = sb_w;	695	window_vt_x += sb_w;
493	}	696	}
		697
494	if (menubar_visible(R)) {	698	if (menubar_visible ())
		699	{
495	mb_h = menuBar_TotalHeight();	700	mb_h = menuBar_TotalHeight ();
496	R->szHint.base_height += mb_h;	701	szHint.base_height += mb_h;
497	R->window_vt_y = mb_h;	702	window_vt_y += mb_h;
498	}	703	}
		704
499	R->szHint.width_inc = R->TermWin.fwidth;	705	szHint.width_inc = TermWin.fwidth;
500	R->szHint.height_inc = R->TermWin.fheight;	706	szHint.height_inc = TermWin.fheight;
501	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	707	szHint.min_width = szHint.base_width + szHint.width_inc;
502	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	708	szHint.min_height = szHint.base_height + szHint.height_inc;
503		709
504	if (width && width - R->szHint.base_width < max_width) {	710	if (width && width - szHint.base_width < max_width)
		711	{
505	R->szHint.width = width;	712	szHint.width = width;
506	R->TermWin.width = width - R->szHint.base_width;	713	TermWin.width = width - szHint.base_width;
507	} else {	714	}
		715	else
		716	{
508	MIN_IT(R->TermWin.width, max_width);	717	MIN_IT (TermWin.width, max_width);
509	R->szHint.width = R->szHint.base_width + R->TermWin.width;	718	szHint.width = szHint.base_width + TermWin.width;
510	}	719	}
		720
511	if (height && height - R->szHint.base_height < max_height) {	721	if (height && height - szHint.base_height < max_height)
		722	{
512	R->szHint.height = height;	723	szHint.height = height;
513	R->TermWin.height = height - R->szHint.base_height;	724	TermWin.height = height - szHint.base_height;
514	} else {	725	}
		726	else
		727	{
515	MIN_IT(R->TermWin.height, max_height);	728	MIN_IT (TermWin.height, max_height);
516	R->szHint.height = R->szHint.base_height + R->TermWin.height;	729	szHint.height = szHint.base_height + TermWin.height;
517	}	730	}
		731
518	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	732	if (scrollbar_visible () && (options & Opt_scrollBar_right))
519	R->window_sb_x = R->szHint.width - sb_w;	733	window_sb_x = szHint.width - sb_w;
520		734
521	if (recalc_x)	735	if (recalc_x)
522	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	736	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))
523	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	737	- szHint.width - 2 * TermWin.ext_bwidth);
524	if (recalc_y)	738	if (recalc_y)
525	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	739	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))
526	- R->szHint.height - 2 * R->TermWin.ext_bwidth);	740	- szHint.height - 2 * TermWin.ext_bwidth);
527		741
528	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	742	TermWin.ncol = TermWin.width / TermWin.fwidth;
529	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	743	TermWin.nrow = TermWin.height / TermWin.fheight;
530	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	744	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
531	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	745	TermWin.ncol, TermWin.nrow, szHint.width,
532	R->szHint.height));	746	szHint.height));
533	return;	747	return;
534	}	748	}
535		749
536	/*----------------------------------------------------------------------*/	750	/*----------------------------------------------------------------------*/
537	/*	751	/*
538	* Tell the teletype handler what size the window is.	752	* Tell the teletype handler what size the window is.
539	* Called after a window size change.	753	* Called after a window size change.
540	*/	754	*/
541	/* EXTPROTO */
542	void	755	void
543	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	756	rxvt_term::tt_winch ()
544	{	757	{
		758	if (pty.pty < 0)
		759	return;
		760
545	struct winsize ws;	761	struct winsize ws;
546		762
547	if (fd < 0)
548	return;
549	ws.ws_col = col;	763	ws.ws_col = TermWin.ncol;
550	ws.ws_row = row;	764	ws.ws_row = TermWin.nrow;
551	ws.ws_xpixel = ws.ws_ypixel = 0;	765	ws.ws_xpixel = TermWin.width;
552	#ifndef DEBUG_SIZE	766	ws.ws_ypixel = TermWin.height;
553	(void)ioctl(fd, TIOCSWINSZ, &ws);	767	(void)ioctl (pty.pty, TIOCSWINSZ, &ws);
554	#else	768
555	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	769	#if 0
556	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	770	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
557	}
558	# ifdef SIGWINCH
559	else if (pid) /* force through to the command */	771	if (cmd_pid) /* force through to the command */
560	kill(pid, SIGWINCH);	772	kill (cmd_pid, SIGWINCH);
561	# endif
562	#endif	773	#endif
563	}	774	}
564		775
565	/*----------------------------------------------------------------------*/	776	/*----------------------------------------------------------------------*/
566	/* rxvt_change_font() - Switch to a new font */	777	/* set_fonts () - load and set the various fonts
567	/*	778	/*
568	* init = 1 - initialize	779	* init = 1 - initialize
569	*	780	*
570	* fontname == FONT_UP - switch to bigger font	781	* fontname == FONT_UP - switch to bigger font
571	* fontname == FONT_DN - switch to smaller font	782	* fontname == FONT_DN - switch to smaller font
572	*/	783	*/
573	/* EXTPROTO */	784	bool
574	void	785	rxvt_term::set_fonts ()
575	rxvt_change_font(pR_ int init, const char *fontname)
576	{	786	{
577	}	787	rxvt_fontset *fs = new rxvt_fontset (this);
		788	rxvt_fontprop prop;
578		789
579	/* INTPROTO */	790	if (!fs
580	void	791	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
581	rxvt_font_up_down(pR_ int n, int direction)	792	|| !fs->realize_font (1))
		793	{
		794	delete fs;
		795	return false;
		796	}
		797
		798	#if ENABLE_STYLES
		799	for (int i = RS_styleCount; --i; )
		800	if (TermWin.fontset[i] != TermWin.fontset[0])
		801	delete TermWin.fontset[i];
		802	#endif
		803
		804	delete TermWin.fontset[0];
		805	TermWin.fontset[0] = fs;
		806
		807	prop = (*fs)[1]->properties ();
		808	prop.height += TermWin.lineSpace;
		809	fs->set_prop (prop);
		810
		811	TermWin.fwidth = prop.width;
		812	TermWin.fheight = prop.height;
		813	TermWin.fweight = prop.weight;
		814	TermWin.fslant = prop.slant;
		815	TermWin.fbase = (*fs)[1]->ascent;
		816
		817	for (int style = 1; style < 4; style++)
		818	{
		819	#if ENABLE_STYLES
		820	const char *res = rs[Rs_font + style];
		821
		822	if (res && !*res)
		823	TermWin.fontset[style] = TermWin.fontset[0];
		824	else
		825	{
		826	TermWin.fontset[style] = fs = new rxvt_fontset (this);
		827	rxvt_fontprop prop2 = prop;
		828
		829	if (res)
		830	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		831	else
		832	{
		833	res = TermWin.fontset[0]->fontdesc;
		834
		835	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		836	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		837	}
		838
		839	fs->populate (res);
		840	fs->set_prop (prop2);
		841	}
		842	#else
		843	TermWin.fontset[style] = TermWin.fontset[0];
		844	#endif
		845	}
		846
		847	if (TermWin.parent[0])
		848	{
		849	resize_all_windows (0, 0, 0);
		850	scr_remap_chars ();
		851	scr_touch (true);
		852	}
		853
		854	return true;
		855	}
		856
		857	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
582	{	858	{
		859	// TODO: SMART_WINDOW_TITLE
		860	XChangeProperty (display->display, TermWin.parent[0],
		861	prop, XA_STRING, 8, PropModeReplace,
		862	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		863	}
		864
		865	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		866	{
		867	// TODO: SMART_WINDOW_TITLE
		868	wchar_t *ws = rxvt_mbstowcs (str, len);
		869	char *s = rxvt_wcstoutf8 (ws);
		870
		871	XChangeProperty (display->display, TermWin.parent[0],
		872	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		873	(const unsigned char *)s, strlen (s));
		874
		875	free (s);
		876	free (ws);
583	}	877	}
584		878
585	/*----------------------------------------------------------------------*/	879	/*----------------------------------------------------------------------*/
586	/*----------------------------------------------------------------------*/	880	/*----------------------------------------------------------------------*/
587	/* xterm sequences - title, iconName, color (exptl) */	881	/* xterm sequences - title, iconName, color (exptl) */
588	/* EXTPROTO */
589	void	882	void
590	rxvt_set_title(pR_ const char *str)	883	rxvt_term::set_title (const char *str)
591	{	884	{
592	#ifndef SMART_WINDOW_TITLE	885	set_string_property (XA_WM_NAME, str);
593	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	886	#if ENABLE_FRILLS
		887	set_utf8_property (xa[XA_NET_WM_NAME], str);
		888	#endif
		889	}
		890
		891	void
		892	rxvt_term::set_icon_name (const char *str)
		893	{
		894	set_string_property (XA_WM_ICON_NAME, str);
		895	#if ENABLE_FRILLS
		896	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
		897	#endif
		898	}
		899
		900	#ifdef XTERM_COLOR_CHANGE
		901	void
		902	rxvt_term::set_window_color (int idx, const char *color)
		903	{
		904	rxvt_color xcol;
		905	int i;
		906
		907	if (color == NULL || *color == '\0')
		908	return;
		909
		910	/* handle color aliases */
		911	if (isdigit (*color))
		912	{
		913	i = atoi (color);
		914	if (i >= 8 && i <= 15)
		915	{ /* bright colors */
		916	i -= 8;
		917	# ifndef NO_BRIGHTCOLOR
		918	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
		919	SET_PIXCOLOR (idx);
		920	goto Done;
		921	# endif
		922
		923	}
		924	if (i >= 0 && i <= 7)
		925	{ /* normal colors */
		926	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		927	SET_PIXCOLOR (idx);
		928	goto Done;
		929	}
		930	}
		931
		932	if (!rXParseAllocColor (& xcol, color))
		933	return;
		934
		935	/* XStoreColor (display->display, display->cmap, XColor*); */
		936
		937	/*
		938	* FIXME: should free colors here, but no idea how to do it so instead,
		939	* so just keep gobbling up the colormap
		940	*/
		941	# if 0
		942	for (i = Color_Black; i <= Color_White; i++)
		943	if (pix_colors[idx] == pix_colors[i])
		944	break;
		945	if (i > Color_White)
		946	{
		947	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
		948	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
		949	DisplayPlanes (display->display, display->screen));
		950	}
		951	# endif
		952
		953	pix_colors_focused[idx] = xcol;
		954	SET_PIXCOLOR (idx);
		955
		956	/* XSetWindowAttributes attr; */
		957	/* Cursor cursor; */
		958	Done:
		959	#ifdef OFF_FOCUS_FADING
		960	if (rs[Rs_fade])
		961	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]));
		962	#endif
		963
		964	/*TODO: handle Color_BD, scrollbar background, etc. */
		965
		966	recolour_cursor ();
		967	scr_recolour ();
		968	}
		969
594	#else	970	#else
595	char *name;
596
597	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
598	name = NULL;
599	if (name == NULL || STRCMP(name, str))
600	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
601	if (name)
602	XFree(name);
603	#endif
604	}
605
606	/* EXTPROTO */
607	void
608	rxvt_set_iconName(pR_ const char *str)
609	{
610	#ifndef SMART_WINDOW_TITLE
611	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
612	#else
613	char *name;
614
615	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
616	name = NULL;
617	if (name == NULL || STRCMP(name, str))
618	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
619	if (name)
620	XFree(name);
621	#endif
622	}
623
624	#ifdef XTERM_COLOR_CHANGE
625	/* EXTPROTO */
626	void
627	rxvt_set_window_color(pR_ int idx, const char *color)
628	{
629	rxvt_color xcol;
630	int i;
631
632	if (color == NULL || *color == '\0')
633	return;
634
635	/* handle color aliases */
636	if (isdigit(*color)) {
637	i = atoi(color);
638	if (i >= 8 && i <= 15) { /* bright colors */
639	i -= 8;
640	# ifndef NO_BRIGHTCOLOR
641	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
642	SET_PIXCOLOR(R, idx);
643	goto Done;
644	# endif
645	}
646	if (i >= 0 && i <= 7) { /* normal colors */
647	R->PixColors[idx] = R->PixColors[minCOLOR + i];
648	SET_PIXCOLOR(R, idx);
649	goto Done;
650	}
651	}
652	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
653	return;
654	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
655
656	/*
657	* FIXME: should free colors here, but no idea how to do it so instead,
658	* so just keep gobbling up the colormap
659	*/
660	# if 0
661	for (i = Color_Black; i <= Color_White; i++)
662	if (R->PixColors[idx] == R->PixColors[i])
663	break;
664	if (i > Color_White) {
665	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
666	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
667	DisplayPlanes(R->Xdisplay, Xscreen));
668	}
669	# endif
670
671	R->PixColors[idx] = xcol;
672	SET_PIXCOLOR(R, idx);
673
674	/* XSetWindowAttributes attr; */
675	/* Cursor cursor; */
676	Done:
677	if (idx == Color_bg && !(R->Options & Opt_transparent))
678	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
679	R->PixColors[Color_bg]);
680
681	/* handle Color_BD, scrollbar background, etc. */
682
683	rxvt_set_colorfgbg(aR);
684	rxvt_recolour_cursor(aR);
685	/* the only reasonable way to enforce a clean update */
686	rxvt_scr_poweron(aR);
687	}
688
689	#else
690	# define rxvt_set_window_color(aR_ idx,color) ((void)0)	971	# define set_window_color (idx,color) ((void)0)
691	#endif /* XTERM_COLOR_CHANGE */	972	#endif /* XTERM_COLOR_CHANGE */
692		973
693	/* EXTPROTO */
694	void	974	void
695	rxvt_recolour_cursor(pR)	975	rxvt_term::recolour_cursor ()
696	{	976	{
697	rxvt_color xcol[2];	977	XColor xcol[2];
698		978
699	#if TODO	979	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
700	xcol[0] = R->PixColors[Color_pointer];	980	? pix_colors_focused[Color_pointer_fg]
701	xcol[1] = R->PixColors[Color_bg];	981	: pix_colors_focused[Color_fg];
702	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	982	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		983	? pix_colors_focused[Color_pointer_bg]
		984	: pix_colors_focused[Color_bg];
		985
		986	XQueryColors (display->display, display->cmap, xcol, 2);
703	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	987	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
704	#endif
705	}	988	}
706		989
707	/*----------------------------------------------------------------------*/	990	/*----------------------------------------------------------------------*/
708	/*	991	/*
709	* find if fg/bg matches any of the normal (low-intensity) colors	992	* find if fg/bg matches any of the normal (low-intensity) colors
710	*/	993	*/
711	/* INTPROTO */
712	void	994	void
713	rxvt_set_colorfgbg(pR)	995	rxvt_term::set_colorfgbg ()
714	{	996	{
715	unsigned int i;	997	unsigned int i;
716	const char *xpmb = "\0";	998	const char *xpmb = "\0";
717	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	999	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
718		1000
719	R->env_colorfgbg =
720	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	1001	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
721	STRCPY(fstr, "default");	1002	strcpy (fstr, "default");
722	STRCPY(bstr, "default");	1003	strcpy (bstr, "default");
723	for (i = Color_Black; i <= Color_White; i++)	1004	for (i = Color_Black; i <= Color_White; i++)
724	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1005	if (pix_colors[Color_fg] == pix_colors[i])
		1006	{
725	sprintf(fstr, "%d", (i - Color_Black));	1007	sprintf (fstr, "%d", (i - Color_Black));
726	break;	1008	break;
727	}	1009	}
		1010
728	for (i = Color_Black; i <= Color_White; i++)	1011	for (i = Color_Black; i <= Color_White; i++)
729	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1012	if (pix_colors[Color_bg] == pix_colors[i])
		1013	{
730	sprintf(bstr, "%d", (i - Color_Black));	1014	sprintf (bstr, "%d", (i - Color_Black));
731	#ifdef XPM_BACKGROUND	1015	#ifdef XPM_BACKGROUND
732	xpmb = "default;";	1016	xpmb = "default;";
733	#endif	1017	#endif
734	break;	1018	break;
735	}	1019	}
		1020
736	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1021	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
737	putenv(R->env_colorfgbg);
738
739	#ifndef NO_BRIGHTCOLOR
740	R->colorfgbg = DEFAULT_RSTYLE;
741	for (i = minCOLOR; i <= maxCOLOR; i++) {
742	if (R->PixColors[Color_fg] == R->PixColors[i])
743	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
744	if (R->PixColors[Color_bg] == R->PixColors[i])
745	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
746	}
747	#endif
748	}	1022	}
749		1023
750	/*----------------------------------------------------------------------*/	1024	/*----------------------------------------------------------------------*/
751	/*
752	* Colour determination for low colour displays, routine from
753	* Hans de Goede <hans@highrise.nl>
754	*/
755		1025
756	/* EXTPROTO */
757	int	1026	int
758	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)	1027	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
759	{	1028	{
760	screen_in_out->set(aR_ colour);
761
762	if (!screen_in_out->set(aR_ colour)) {	1029	if (!screen_in_out->set (display, colour))
763	rxvt_print_error("can't allocate colour: %s", colour);	1030	{
		1031	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
764	return false;	1032	return false;
765	}	1033	}
766		1034
767	return true;	1035	return true;
768	}	1036	}
769		1037
770	/* -------------------------------------------------------------------- *	1038	/* -------------------------------------------------------------------- *
771	* - WINDOW RESIZING - *	1039	* - WINDOW RESIZING - *
772	* -------------------------------------------------------------------- */	1040	* -------------------------------------------------------------------- */
773	/* EXTPROTO */
774	void	1041	void
775	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1042	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)
776	int ignoreparent)
777	{	1043	{
778	int fix_screen;	1044	int fix_screen;
779		1045
780	#ifdef SMART_RESIZE	1046	#ifdef SMART_RESIZE
781	int old_width = R->szHint.width, old_height = R->szHint.height;	1047	int old_width = szHint.width, old_height = szHint.height;
782	#endif	1048	#endif
783		1049
784	rxvt_window_calc(aR_ width, height);	1050	window_calc (width, height);
785	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);	1051	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);
		1052
786	if (!ignoreparent) {	1053	if (!ignoreparent)
		1054	{
787	#ifdef SMART_RESIZE	1055	#ifdef SMART_RESIZE
788	/*	1056	/*
789	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1057	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
790	* reposition window on resize depending on placement on screen	1058	* reposition window on resize depending on placement on screen
791	*/	1059	*/
792	int x, y, x1, y1;	1060	int x, y, x1, y1;
793	int dx, dy;	1061	int dx, dy;
794	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1062	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
795	Window unused_cr;	1063	Window unused_cr;
796		1064
797	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1065	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,
798	0, 0, &x, &y, &unused_cr);	1066	0, 0, &x, &y, &unused_cr);
799	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1067	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,
800	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1068	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
801	/*	1069	/*
802	* if Xroot isn't the parent window, a WM will probably have offset	1070	* if display->root isn't the parent window, a WM will probably have offset
803	* our position for handles and decorations. Counter it	1071	* our position for handles and decorations. Counter it
804	*/	1072	*/
805	if (x1 != x || y1 != y) {	1073	if (x1 != x || y1 != y)
		1074	{
806	x -= x1;	1075	x -= x1;
807	y -= y1;	1076	y -= y1;
808	}	1077	}
809		1078
810	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1079	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;
811	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1080	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;
812	dx = old_width - R->szHint.width;	1081	dx = old_width - szHint.width;
813	dy = old_height - R->szHint.height;	1082	dy = old_height - szHint.height;
814		1083
815	/* Check position of the center of the window */	1084	/* Check position of the center of the window */
816	if (x < x1) /* left half */	1085	if (x < x1) /* left half */
817	dx = 0;	1086	dx = 0;
818	else if (x == x1) /* exact center */	1087	else if (x == x1) /* exact center */
819	dx /= 2;	1088	dx /= 2;
820	if (y < y1) /* top half */	1089	if (y < y1) /* top half */
821	dy = 0;	1090	dy = 0;
822	else if (y == y1) /* exact center */	1091	else if (y == y1) /* exact center */
823	dy /= 2;	1092	dy /= 2;
824		1093
825	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1094	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,
826	R->szHint.width, R->szHint.height);	1095	szHint.width, szHint.height);
827	#else	1096	#else
828	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1097	XResizeWindow (display->display, TermWin.parent[0], szHint.width, szHint.height);
829	R->szHint.height);
830	#endif	1098	#endif
831	}	1099	}
832		1100
833	fix_screen = (R->TermWin.ncol != R->prev_ncol	1101	fix_screen = TermWin.ncol != prev_ncol || TermWin.nrow != prev_nrow;
834	|| R->TermWin.nrow != R->prev_nrow);	1102
835	if (fix_screen || width != R->old_width || height != R->old_height) {	1103	if (fix_screen || width != old_width || height != old_height)
		1104	{
836	if (scrollbar_visible(R)) {	1105	if (scrollbar_visible ())
		1106	{
837	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,	1107	XMoveResizeWindow (display->display, scrollBar.win,
		1108	window_sb_x, 0,
838	0, scrollbar_TotalWidth(), R->szHint.height);	1109	scrollbar_TotalWidth (), szHint.height);
839	rxvt_Resize_scrollBar(aR);	1110	resize_scrollbar ();
840	}	1111	}
		1112
841	if (menubar_visible(R))	1113	if (menubar_visible ())
842	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,	1114	XMoveResizeWindow (display->display, menuBar.win,
		1115	window_vt_x, 0,
843	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1116	TermWin_TotalWidth (), menuBar_TotalHeight ());
844	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,	1117
845	R->window_vt_y, TermWin_TotalWidth(),	1118	XMoveResizeWindow (display->display, TermWin.vt,
		1119	window_vt_x, window_vt_y,
846	TermWin_TotalHeight());	1120	TermWin_TotalWidth (), TermWin_TotalHeight ());
847	#ifdef RXVT_GRAPHICS	1121
848	if (R->old_height)
849	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
850	R->old_height - R->szHint.base_height);
851	#endif
852	rxvt_scr_clear(aR);	1122	scr_clear ();
853	#ifdef XPM_BACKGROUND	1123	#ifdef XPM_BACKGROUND
854	rxvt_resize_pixmap(aR);	1124	resize_pixmap ();
855	#endif	1125	#endif
856	}	1126	}
857		1127
858	if (fix_screen || R->old_height == 0) {	1128	if (fix_screen || old_height == 0)
		1129	{
859	int curr_screen = -1;	1130	int curr_screen = -1;
860	uint16_t old_ncol = R->prev_ncol;	1131	int old_ncol = prev_ncol;
861		1132
862	/* scr_reset only works on the primary screen */	1133	/* scr_reset only works on the primary screen */
863	if (R->old_height) /* this is not the first time through */	1134	if (old_height) /* this is not the first time through */
		1135	{
		1136	unsigned int ncol = TermWin.ncol;
		1137	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
864	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1138	curr_screen = scr_change_screen (PRIMARY);
865	rxvt_scr_reset(aR);	1139	TermWin.ncol = ncol;
866	if (curr_screen >= 0) { /* this is not the first time through */
867	rxvt_scr_change_screen(aR_ curr_screen);
868	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
869	}	1140	}
870	}
871		1141
		1142	scr_reset ();
		1143
		1144	if (curr_screen >= 0) /* this is not the first time through */
		1145	{
		1146	scr_change_screen (curr_screen);
		1147	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
		1148	}
		1149	}
		1150
872	R->old_width = R->szHint.width;	1151	old_width = szHint.width;
873	R->old_height = R->szHint.height;	1152	old_height = szHint.height;
		1153
		1154	#ifdef XPM_BACKGROUND
		1155	if (TermWin.pixmap)
		1156	scr_touch (false);
		1157	#endif
874		1158
875	#ifdef USE_XIM	1159	#ifdef USE_XIM
876	rxvt_IMSetStatusPosition(aR);	1160	IMSetStatusPosition ();
877	#endif	1161	#endif
878	}	1162	}
879		1163
880	/*	1164	/*
881	* Set the width/height of the vt window in characters. Units are pixels.	1165	* Set the width/height of the vt window in characters. Units are pixels.
882	* good for toggling 80/132 columns	1166	* good for toggling 80/132 columns
883	*/	1167	*/
884	/* EXTPROTO */
885	void	1168	void
886	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1169	rxvt_term::set_widthheight (unsigned int width, unsigned int height)
887	{	1170	{
888	XWindowAttributes wattr;	1171	XWindowAttributes wattr;
889		1172
890	if (width == 0 || height == 0) {	1173	if (width == 0 || height == 0)
		1174	{
891	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1175	XGetWindowAttributes (display->display, display->root, &wattr);
892	if (width == 0)	1176	if (width == 0)
893	width = wattr.width - R->szHint.base_width;	1177	width = wattr.width - szHint.base_width;
894	if (height == 0)	1178	if (height == 0)
895	height = wattr.height - R->szHint.base_height;	1179	height = wattr.height - szHint.base_height;
896	}	1180	}
		1181
897	if (width != R->TermWin.width || height != R->TermWin.height) {	1182	if (width != TermWin.width || height != TermWin.height)
		1183	{
898	width += R->szHint.base_width;	1184	width += szHint.base_width;
899	height += R->szHint.base_height;	1185	height += szHint.base_height;
900	rxvt_resize_all_windows(aR_ width, height, 0);	1186	resize_all_windows (width, height, 0);
901	}	1187	}
902	}	1188	}
903		1189
904	/* -------------------------------------------------------------------- *	1190	/* -------------------------------------------------------------------- *
905	* - X INPUT METHOD ROUTINES - *	1191	* - X INPUT METHOD ROUTINES - *
906	* -------------------------------------------------------------------- */	1192	* -------------------------------------------------------------------- */
907	#ifdef USE_XIM	1193	#ifdef USE_XIM
908	/* INTPROTO */
909	void
910	rxvt_setSize(pR_ XRectangle * size)
911	{
912	size->x = R->TermWin.int_bwidth;
913	size->y = R->TermWin.int_bwidth;
914	size->width = Width2Pixel(R->TermWin.ncol);
915	size->height = Height2Pixel(R->TermWin.nrow);
916	}
917		1194
918	/* INTPROTO */
919	void	1195	void
920	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1196	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
921	{	1197	{
922	*fg = R->PixColors[Color_fg];	1198	fg = pix_colors[Color_fg];
923	*bg = R->PixColors[Color_bg];	1199	bg = pix_colors[Color_bg];
		1200	}
		1201
		1202	void
		1203	rxvt_term::im_set_size (XRectangle &size)
		1204	{
		1205	// the int_bwidth terms make no sense to me
		1206	size.x = TermWin.int_bwidth;
		1207	size.y = TermWin.int_bwidth;
		1208	size.width = Width2Pixel (TermWin.ncol) + TermWin.int_bwidth;
		1209	size.height = Height2Pixel (TermWin.nrow) + TermWin.int_bwidth;
		1210	}
		1211
		1212	void
		1213	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1214	XRectangle &status_rect,
		1215	const XRectangle &needed_rect)
		1216	{
		1217	preedit_rect.x = needed_rect.width;
		1218	preedit_rect.y = 0;
		1219	preedit_rect.width = Width2Pixel (TermWin.ncol) - needed_rect.width + 1;
		1220	preedit_rect.height = TermWin.fheight;
		1221
		1222	status_rect.x = 0;
		1223	status_rect.y = 0;
		1224	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (TermWin.ncol) + 1;
		1225	status_rect.height = TermWin.fheight;
924	}	1226	}
925		1227
926	/* Checking whether input method is running. */	1228	/* Checking whether input method is running. */
927	/* INTPROTO */
928	Bool	1229	bool
929	rxvt_IMisRunning(pR)	1230	rxvt_term::IMisRunning ()
930	{	1231	{
931	char *p;	1232	char *p;
932	Atom atom;	1233	Atom atom;
933	Window win;	1234	Window win;
934	char server[IMBUFSIZ];	1235	char server[IMBUFSIZ];
935		1236
936	/* get current locale modifier */	1237	/* get current locale modifier */
937	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1238	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1239	{
938	STRCPY(server, "@server=");	1240	strcpy (server, "@server=");
939	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1241	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1242
940	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1243	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
941	*p = '\0';	1244	*p = '\0';
942		1245
943	atom = XInternAtom(R->Xdisplay, server, False);	1246	atom = XInternAtom (display->display, server, False);
944	win = XGetSelectionOwner(R->Xdisplay, atom);	1247	win = XGetSelectionOwner (display->display, atom);
		1248
945	if (win != None)	1249	if (win != None)
946	return True;	1250	return True;
947	}	1251	}
		1252
948	return False;	1253	return False;
949	}	1254	}
950		1255
951	/* EXTPROTO */
952	void	1256	void
953	rxvt_IMSendSpot(pR)	1257	rxvt_term::IMSendSpot ()
954	{	1258	{
955	XPoint spot;	1259	XPoint nspot;
956	XVaNestedList preedit_attr;	1260	XVaNestedList preedit_attr;
957		1261
958	if (R->Input_Context == NULL	1262	if (!Input_Context
		1263	|| !TermWin.focus
959	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1264	|| !(input_style & XIMPreeditPosition))
960	|| !(R->event_type == KeyPress
961	|| R->event_type == Expose
962	|| R->event_type == NoExpose
963	|| R->event_type == SelectionNotify
964	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
965	|| !rxvt_IMisRunning(aR))
966	return;	1265	return;
967		1266
968	rxvt_setPosition(aR_ & spot);	1267	im_set_position (nspot);
969		1268
		1269	if (nspot.x == spot.x && nspot.y == spot.y)
		1270	return;
		1271
		1272	spot = nspot;
		1273
970	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1274	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
971	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1275	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
972	XFree(preedit_attr);	1276	XFree (preedit_attr);
973	}	1277	}
974		1278
975	/* EXTPROTO */
976	void	1279	void
977	rxvt_setTermFontSet(pR_ int idx)	1280	rxvt_term::im_destroy ()
978	{	1281	{
979	char *string;	1282	if (input_method)
980	long length;
981	int success = 0;
982
983	if (idx < 0 || idx >= MAX_NFONTS)
984	return;
985	}
986
987	/* INTPROTO */
988	void
989	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
990	XRectangle * needed_rect)
991	{
992	int mbh, vtx = 0;
993
994	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
995	vtx = scrollbar_TotalWidth();
996	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
997	mbh -= R->TermWin.lineSpace;
998
999	preedit_rect->x = needed_rect->width + vtx;
1000	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1001
1002	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1003	+ vtx;
1004	preedit_rect->height = Height2Pixel(1);
1005
1006	status_rect->x = vtx;
1007	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1008
1009	status_rect->width = needed_rect->width ? needed_rect->width
1010	: Width2Pixel(R->TermWin.ncol + 1);
1011	status_rect->height = Height2Pixel(1);
1012	}
1013
1014	/* ARGSUSED */
1015	/* INTPROTO */
1016	void
1017	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1018	__attribute__ ((unused)), XPointer call_data
1019	__attribute__ ((unused)))
1020	{
1021	dR;
1022
1023	R->Input_Context = NULL;
1024	/* To avoid Segmentation Fault in C locale: Solaris only? */
1025	if (STRCMP(R->locale, "C"))
1026	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1027	rxvt_IMInstantiateCallback, NULL);
1028	}
1029
1030	/*
1031	* X manual pages and include files don't match on some systems:
1032	* some think this is an XIDProc and others an XIMProc so we can't
1033	* use the first argument - need to update this to be nice for
1034	* both types via some sort of configure detection
1035	*/
1036	/* ARGSUSED */
1037	/* EXTPROTO */
1038	void
1039	rxvt_IMInstantiateCallback(Display * unused
1040	__attribute__ ((unused)), XPointer client_data
1041	__attribute__ ((unused)), XPointer call_data
1042	__attribute__ ((unused)))
1043	{
1044	dR;
1045	int i, found, had_im;
1046	const char *p;
1047	char **s;
1048	char buf[IMBUFSIZ];
1049
1050	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));
1051	if (R->Input_Context)
1052	return;
1053
1054	found = had_im = 0;
1055	p = R->rs[Rs_inputMethod];
1056	if (p && *p) {
1057	had_im = 1;
1058	s = rxvt_splitcommastring(p);
1059	for (i = 0; s[i]; i++) {
1060	if (*s[i]) {
1061	STRCPY(buf, "@im=");
1062	STRNCAT(buf, s[i], IMBUFSIZ - 5);
1063	if ((p = XSetLocaleModifiers(buf)) != NULL && *p
1064	&& (rxvt_IM_get_IC(aR) == True)) {
1065	found = 1;
1066	break;
1067	}
1068	}
1069	}
1070	for (i = 0; s[i]; i++)
1071	free(s[i]);
1072	free(s);
1073	}	1283	{
1074	if (found)	1284	if (Input_Context && input_method->xim)
1075	return;	1285	XDestroyIC (Input_Context);
1076		1286
1077	/* try with XMODIFIERS env. var. */	1287	display->put_xim (input_method);
1078	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1288	input_method = 0;
1079	rxvt_IM_get_IC(aR);
1080	return;
1081	}	1289	}
1082		1290
1083	/* try with no modifiers base IF the user didn't specify an IM */	1291	Input_Context = 0;
1084	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p
1085	&& rxvt_IM_get_IC(aR) == True)
1086	return;
1087	}	1292	}
1088		1293
1089	/*	1294	/*
1090	* Try to open a XIM with the current modifiers, then see if we can	1295	* Try to open a XIM with the current modifiers, then see if we can
1091	* open a suitable preedit type	1296	* open a suitable preedit type
1092	*/	1297	*/
1093	/* INTPROTO */
1094	Bool	1298	bool
1095	rxvt_IM_get_IC(pR)	1299	rxvt_term::IM_get_IC (const char *modifiers)
1096	{	1300	{
1097	int i, j, found;	1301	int i, j, found;
1098	XIM xim;	1302	XIM xim;
1099	XPoint spot;	1303	XPoint spot;
1100	XRectangle rect, status_rect, needed_rect;	1304	XRectangle rect, status_rect, needed_rect;
1101	unsigned long fg, bg;	1305	unsigned long fg, bg;
1102	const char *p;	1306	const char *p;
1103	char **s;	1307	char **s;
1104	XIMStyles *xim_styles;	1308	XIMStyles *xim_styles;
1105	XVaNestedList preedit_attr, status_attr;
1106	XIMCallback ximcallback;
1107		1309
		1310	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1311	return false;
		1312
1108	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1313	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1109	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1314	input_method = display->get_xim (locale, modifiers);
1110	if (xim == NULL)	1315	if (input_method == NULL)
1111	return False;	1316	return false;
1112		1317
		1318	xim = input_method->xim;
		1319	spot.x = spot.y = -1;
		1320
1113	xim_styles = NULL;	1321	xim_styles = NULL;
1114	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1322	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1115	|| !xim_styles || !xim_styles->count_styles) {	1323	|| !xim_styles || !xim_styles->count_styles)
1116	XCloseIM(xim);	1324	{
		1325	im_destroy ();
1117	return False;	1326	return false;
		1327	}
		1328
		1329	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1330
		1331	for (int pi = 0; pi < 2; pi++)
1118	}	1332	{
		1333	p = pet[pi];
1119		1334
1120	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1335	if (!p)
1121	: "OverTheSpot,OffTheSpot,Root";	1336	continue;
		1337
1122	s = rxvt_splitcommastring(p);	1338	s = rxvt_splitcommastring (p);
		1339
1123	for (i = found = 0; !found && s[i]; i++) {	1340	for (i = found = 0; !found && s[i]; i++)
		1341	{
1124	if (!STRCMP(s[i], "OverTheSpot"))	1342	if (!strcmp (s[i], "OverTheSpot"))
1125	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1343	input_style = (XIMPreeditPosition | XIMStatusNothing);
1126	else if (!STRCMP(s[i], "OffTheSpot"))	1344	else if (!strcmp (s[i], "OffTheSpot"))
1127	R->input_style = (XIMPreeditArea | XIMStatusArea);	1345	input_style = (XIMPreeditArea | XIMStatusArea);
1128	else if (!STRCMP(s[i], "Root"))	1346	else if (!strcmp (s[i], "Root"))
1129	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1347	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1348	else if (!strcmp (s[i], "None"))
		1349	input_style = (XIMPreeditNone | XIMStatusNone);
1130		1350
1131	for (j = 0; j < xim_styles->count_styles; j++)	1351	for (j = 0; j < xim_styles->count_styles; j++)
1132	if (R->input_style == xim_styles->supported_styles[j]) {	1352	if (input_style == xim_styles->supported_styles[j])
		1353	{
		1354	rxvt_freecommastring (s);
		1355
1133	found = 1;	1356	found = 1;
		1357	goto foundpet;
		1358	}
		1359
		1360	}
		1361
		1362	rxvt_freecommastring (s);
		1363	}
		1364
		1365	foundpet:
		1366
		1367	XFree (xim_styles);
		1368
		1369	if (!found)
		1370	{
		1371	im_destroy ();
		1372	return false;
		1373	}
		1374
		1375	XFontSet fs = 0;
		1376	XVaNestedList preedit_attr = 0, status_attr = 0;
		1377
		1378	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1379	{
		1380	// fake us a font-set, please
		1381	char **missing_charset_list;
		1382	int missing_charset_count;
		1383	char *def_string;
		1384	char pat[512];
		1385
		1386	sprintf (pat,
		1387	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1388	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1389	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1390	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1391	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1392	"*",
		1393	TermWin.fheight,
		1394	TermWin.fheight + 1, TermWin.fheight - 1,
		1395	TermWin.fheight - 2, TermWin.fheight + 2);
		1396
		1397	fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1398	&missing_charset_list, &missing_charset_count, &def_string);
		1399
		1400	if (missing_charset_list)
		1401	XFreeStringList (missing_charset_list);
		1402
		1403	if (!fs)
		1404	{
		1405	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1406	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1407	}
		1408	}
		1409
		1410	if (input_style & XIMPreeditPosition)
		1411	{
		1412	im_set_size (rect);
		1413	im_set_position (spot);
		1414	im_set_color (fg, bg);
		1415
		1416	preedit_attr = XVaCreateNestedList (0,
		1417	XNForeground, fg,
		1418	XNBackground, bg,
		1419	XNArea, &rect,
		1420	XNSpotLocation, &spot,
		1421	XNFontSet, fs,
		1422	NULL);
		1423	}
		1424	else if (input_style & XIMPreeditArea)
		1425	{
		1426	im_set_color (fg, bg);
		1427
		1428	/*
		1429	* The necessary width of preedit area is unknown
		1430	* until create input context.
		1431	*/
		1432	needed_rect.width = 0;
		1433	im_set_preedit_area (rect, status_rect, needed_rect);
		1434
		1435	preedit_attr = XVaCreateNestedList (0,
		1436	XNForeground, fg,
		1437	XNBackground, bg,
		1438	XNArea, &rect,
		1439	XNFontSet, fs,
		1440	NULL);
		1441	status_attr = XVaCreateNestedList (0,
		1442	XNForeground, fg,
		1443	XNBackground, bg,
		1444	XNArea, &status_rect,
		1445	XNFontSet, fs,
		1446	NULL);
		1447	}
		1448
		1449	Input_Context = XCreateIC (xim,
		1450	XNInputStyle, input_style,
		1451	XNClientWindow, TermWin.vt,
		1452	XNFocusWindow, TermWin.parent[0],
		1453	preedit_attr ? XNPreeditAttributes : NULL,
		1454	preedit_attr,
		1455	status_attr ? XNStatusAttributes : NULL,
		1456	status_attr, NULL);
		1457
		1458	if (preedit_attr) XFree (preedit_attr);
		1459	if (status_attr) XFree (status_attr);
		1460	if (fs) XFreeFontSet (display->display, fs);
		1461
		1462	if (Input_Context == NULL)
		1463	{
		1464	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1465	im_destroy ();
		1466	return false;
		1467	}
		1468
		1469	if (input_style & XIMPreeditArea)
		1470	IMSetStatusPosition ();
		1471
		1472	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
		1473	return true;
		1474	}
		1475
		1476	void
		1477	rxvt_term::im_cb ()
		1478	{
		1479	int i, found, had_im;
		1480	const char *p;
		1481	char **s;
		1482	char buf[IMBUFSIZ];
		1483
		1484	im_destroy ();
		1485
		1486	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
		1487	if (Input_Context)
		1488	return;
		1489
		1490	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1491	if (rs[Rs_imLocale])
		1492	SET_LOCALE (rs[Rs_imLocale]);
		1493	#endif
		1494
		1495	p = rs[Rs_inputMethod];
		1496	if (p && *p)
		1497	{
		1498	bool found = false;
		1499
		1500	s = rxvt_splitcommastring (p);
		1501
		1502	for (i = 0; s[i]; i++)
		1503	{
		1504	if (*s[i])
		1505	{
		1506	strcpy (buf, "@im=");
		1507	strncat (buf, s[i], IMBUFSIZ - 5);
		1508	if (IM_get_IC (buf))
		1509	{
		1510	found = true;
1134	break;	1511	break;
		1512	}
1135	}	1513	}
1136	}	1514	}
1137	for (i = 0; s[i]; i++)
1138	free(s[i]);
1139	free(s);
1140	XFree(xim_styles);
1141		1515
		1516	rxvt_freecommastring (s);
		1517
1142	if (!found) {	1518	if (found)
1143	XCloseIM(xim);	1519	goto done;
1144	return False;
1145	}	1520	}
1146		1521
1147	ximcallback.callback = rxvt_IMDestroyCallback;	1522	/* try with XMODIFIERS env. var. */
		1523	if (IM_get_IC (""))
		1524	goto done;
1148		1525
1149	/* XXX: not sure why we need this (as well as IC one below) */	1526	/* try with no modifiers base IF the user didn't specify an IM */
1150	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1527	if (IM_get_IC ("@im=none"))
		1528	goto done;
1151		1529
1152	preedit_attr = status_attr = NULL;	1530	done:
1153		1531	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1154	if (R->input_style & XIMPreeditPosition) {	1532	if (rs[Rs_imLocale])
1155	rxvt_setSize(aR_ & rect);	1533	SET_LOCALE (locale);
1156	rxvt_setPosition(aR_ & spot);	1534	#endif
1157	rxvt_setColor(aR_ & fg, &bg);
1158
1159	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1160	XNSpotLocation, &spot,
1161	XNForeground, fg, XNBackground, bg,
1162	//XNFontSet, R->TermWin.fontset,
1163	NULL);
1164	} else if (R->input_style & XIMPreeditArea) {
1165	rxvt_setColor(aR_ & fg, &bg);
1166
1167	/*
1168	* The necessary width of preedit area is unknown
1169	* until create input context.
1170	*/
1171	needed_rect.width = 0;
1172
1173	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1174
1175	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1176	XNForeground, fg, XNBackground, bg,
1177	//XNFontSet, R->TermWin.fontset,
1178	NULL);
1179	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1180	XNForeground, fg, XNBackground, bg,
1181	//XNFontSet, R->TermWin.fontset,
1182	NULL);
1183	}
1184	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1185	XNClientWindow, R->TermWin.parent[0],
1186	XNFocusWindow, R->TermWin.parent[0],
1187	XNDestroyCallback, &ximcallback,
1188	preedit_attr ? XNPreeditAttributes : NULL,
1189	preedit_attr,
1190	status_attr ? XNStatusAttributes : NULL,
1191	status_attr, NULL);
1192	if (preedit_attr)
1193	XFree(preedit_attr);
1194	if (status_attr)
1195	XFree(status_attr);
1196	if (R->Input_Context == NULL) {
1197	rxvt_print_error("failed to create input context");
1198	XCloseIM(xim);
1199	return False;
1200	}
1201	if (R->input_style & XIMPreeditArea)
1202	rxvt_IMSetStatusPosition(aR);
1203	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1204	return True;
1205	}	1535	}
1206		1536
1207	/* EXTPROTO */
1208	void	1537	void
1209	rxvt_IMSetStatusPosition(pR)	1538	rxvt_term::IMSetStatusPosition ()
1210	{	1539	{
1211	XRectangle preedit_rect, status_rect, *needed_rect;	1540	XRectangle preedit_rect, status_rect, *needed_rect;
1212	XVaNestedList preedit_attr, status_attr;	1541	XVaNestedList preedit_attr, status_attr;
1213		1542
1214	if (R->Input_Context == NULL	1543	if (!Input_Context
		1544	|| !TermWin.focus
1215	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1545	|| !(input_style & XIMPreeditArea)
1216	|| !rxvt_IMisRunning(aR))	1546	|| !IMisRunning ())
1217	return;	1547	return;
1218		1548
1219	/* Getting the necessary width of preedit area */	1549	/* Getting the necessary width of preedit area */
1220	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1550	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1221	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1551	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1222	XFree(status_attr);	1552	XFree (status_attr);
1223		1553
1224	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1554	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1555	XFree (needed_rect);
1225		1556
1226	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1557	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1227	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1558	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1228		1559
1229	XSetICValues(R->Input_Context,	1560	XSetICValues (Input_Context,
1230	XNPreeditAttributes, preedit_attr,	1561	XNPreeditAttributes, preedit_attr,
1231	XNStatusAttributes, status_attr, NULL);	1562	XNStatusAttributes, status_attr, NULL);
1232		1563
1233	XFree(preedit_attr);	1564	XFree (preedit_attr);
1234	XFree(status_attr);	1565	XFree (status_attr);
1235	}	1566	}
1236	#endif /* USE_XIM */	1567	#endif /* USE_XIM */
1237		1568
1238	/*----------------------------------------------------------------------*/	1569	/*----------------------------------------------------------------------*/
1239	rxvt_t rxvt_current_term;	1570	rxvt_t rxvt_current_term;

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