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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.5 by pcg, Tue Nov 25 15:44:38 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 1.5 2003/11/25 15:44:38 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
47	void *	48	#ifdef KEYSYM_RESOURCE
48	rxvt_term::operator new (size_t s)	49	# include "keyboard.h"
49	{	50	#endif
50	void *p = malloc (s);
51		51
52	MEMSET (p, 0, s);	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
53	return p;	126	return len;
54	}
55		127
56	void
57	rxvt_term::operator delete (void *p, size_t s)
58	{
59	free (p);
60	}	128	}
		129	#endif
61		130
62	rxvt_term::rxvt_term ()	131	rxvt_term::rxvt_term ()
63	: pty_ev (this, &rxvt_term::pty_cb),	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
64	#ifdef CURSOR_BLINK	142	#ifdef CURSOR_BLINK
		143	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
		144	#endif
		145	#ifdef TEXT_BLINK
65	blink_ev (this, &rxvt_term::blink_cb),	146	text_blink_ev (this, &rxvt_term::text_blink_cb),
66	#endif	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),
67	x_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),
		171	pty_ev (this, &rxvt_term::pty_cb),
		172	incr_ev (this, &rxvt_term::incr_cb)
68	{	173	{
69	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	174	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		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
70	}	184	}
71		185
72	rxvt_term::~rxvt_term ()	186	rxvt_term::~rxvt_term ()
73	{	187	{
74	delete PixColors;	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
		286	void
		287	rxvt_term::destroy ()
		288	{
		289	if (destroy_ev.active)
		290	return;
		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
		336	void
		337	rxvt_term::destroy_cb (time_watcher &w)
		338	{
		339	SET_R (this);
		340
		341	delete this;
75	}	342	}
76		343
77	/*----------------------------------------------------------------------*/	344	/*----------------------------------------------------------------------*/
78	/* rxvt_init() */	345	/* rxvt_init () */
79	/* LIBPROTO */
80	rxvt_t
81	rxvt_init(int argc, const char *const *argv)
82	{
83	SET_R(new rxvt_term);
84	dR;
85
86	if (!R->init_vars () || !R->init (argc, argv))
87	{
88	delete R;
89	return NULL;
90	}
91
92	return R;
93	}
94
95	bool	346	bool
96	rxvt_term::init (int argc, const char *const *argv)	347	rxvt_term::init (int argc, const char *const *argv)
97	{	348	{
98	dR;//TODO (scrollbar, setidle)	349	SET_R (this);
99		350
		351	set_locale ("");
		352
		353	if (!init_vars ())
		354	return false;
		355
		356	init_secondary ();
		357
		358	const char **cmd_argv = init_resources (argc, argv);
		359
		360	#ifdef KEYSYM_RESOURCE
		361	keyboard->register_done ();
		362	#endif
		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
		386	#if (MENUBAR_MAX)
		387	if (menubar_visible ())
		388	XMapWindow (display->display, menuBar.win);
		389	#endif
		390	#ifdef TRANSPARENT
		391	if (options & Opt_transparent)
		392	{
		393	XSelectInput (display->display, display->root, PropertyChangeMask);
		394	check_our_parents ();
		395	rootwin_ev.start (display, display->root);
		396	}
		397	#endif
		398
		399	XMapWindow (display->display, TermWin.vt);
		400	XMapWindow (display->display, TermWin.parent[0]);
		401
		402	set_colorfgbg ();
		403
		404	init_command (cmd_argv);
		405
		406	free (cmd_argv);
		407
		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	{
100	/*	420	/*
101	* Save and then give up any super-user privileges	421	* Save and then give up any super-user privileges
102	* If we need privileges in any area then we must specifically request it.	422	* If we need privileges in any area then we must specifically request it.
103	* We should only need to be root in these cases:	423	* We should only need to be root in these cases:
104	* 1. write utmp entries on some systems	424	* 1. write utmp entries on some systems
105	* 2. chown tty on some systems	425	* 2. chown tty on some systems
106	*/	426	*/
107	rxvt_privileges (this, SAVE);	427	rxvt_privileges (SAVE);
108	rxvt_privileges (this, IGNORE);	428	rxvt_privileges (IGNORE);
109		429
110	rxvt_init_secondary (this);	430	signal (SIGHUP, SIG_IGN);
		431	signal (SIGPIPE, SIG_IGN);
111		432
112	const char **cmd_argv = rxvt_init_resources (this, argc, argv);	433	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		434	/* signal (SIGURG, SIG_DFL); */
113		435
114	#if (MENUBAR_MAX)	436	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
115	rxvt_menubar_read (this, rs[Rs_menu]);	437	// TODO: handle this with exceptions and tolerate the memory loss
116	#endif
117	#ifdef HAVE_SCROLLBARS
118	if (Options & Opt_scrollBar)
119	scrollbar_setIdle (); /* set existence for size calculations */
120	#endif
121
122	rxvt_Create_Windows (this, argc, argv);
123
124	rxvt_init_xlocale (this);
125
126	rxvt_scr_reset (this); /* initialize screen */
127	#ifdef RXVT_GRAPHICS
128	rxvt_Gr_reset (this); /* reset graphics */
129	#endif
130
131	#if 0
132	#ifdef DEBUG_X
133	XSynchronize(Xdisplay, True);
134	XSetErrorHandler((XErrorHandler) abort);
135	#else
136	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);	438	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
137	#endif
138	#endif
139
140	#ifdef HAVE_SCROLLBARS
141	if (Options & Opt_scrollBar)
142	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
143	#endif
144	#if (MENUBAR_MAX)
145	if (menubar_visible(r))
146	XMapWindow (Xdisplay, menuBar.win);
147	#endif
148	#ifdef TRANSPARENT
149	if (Options & Opt_transparent)
150	{
151	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
152	rxvt_check_our_parents (this);
153	}
154	#endif
155	XMapWindow (Xdisplay, TermWin.vt);
156	XMapWindow (Xdisplay, TermWin.parent[0]);
157
158	rxvt_init_env (this);
159	rxvt_init_command (this, cmd_argv);
160
161	x_ev.start (Xfd, EVENT_READ);
162	pty_ev.start (cmd_fd, EVENT_READ);
163
164	return true;
165	}	439	}
166		440
167	/* ------------------------------------------------------------------------- *	441	/* ------------------------------------------------------------------------- *
168	* SIGNAL HANDLING & EXIT HANDLER *	442	* SIGNAL HANDLING & EXIT HANDLER *
169	* ------------------------------------------------------------------------- */	443	* ------------------------------------------------------------------------- */
170	/*	444	/*
171	* 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
172	*/	446	*/
173	/* ARGSUSED */
174	/* EXTPROTO */
175	RETSIGTYPE
176	rxvt_Child_signal(int sig __attribute__ ((unused)))
177	{
178	dR;
179	int pid, save_errno = errno;
180		447
181	do {	448	void
182	errno = 0;	449	rxvt_term::sig_chld (sig_watcher &w)
183	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);	450	{
		451	// we are being called for every SIGCHLD, not just ours
		452	int pid;
184		453
		454	while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
		455	for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
185	if (pid == R->cmd_pid)	456	if (pid == (*t)->cmd_pid)
186	exit(EXIT_SUCCESS);	457	{
187		458	(*t)->destroy ();
188	errno = save_errno;	459	break;
189	signal(SIGCHLD, rxvt_Child_signal);	460	}
190	}
191
192	/*
193	* Catch a fatal signal and tidy up before quitting
194	*/
195	/* EXTPROTO */
196	RETSIGTYPE
197	rxvt_Exit_signal(int sig)
198	{
199	signal(sig, SIG_DFL);
200	#ifdef DEBUG_CMD
201	rxvt_print_error("signal %d", sig);
202	#endif
203	rxvt_clean_exit();
204	kill(getpid(), sig);
205	}
206
207	/* ARGSUSED */
208	/* INTPROTO */
209	int
210	rxvt_xerror_handler(const Display * display
211	__attribute__ ((unused)), const XErrorEvent * event)
212	{
213	dR;
214
215	if (R->allowedxerror == -1) {
216	R->allowedxerror = event->error_code;
217	return 0; /* ignored anyway */
218	}
219	rxvt_print_error("XError: Request: %d . %d, Error: %d",
220	event->request_code, event->minor_code,
221	event->error_code);
222	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */
223	exit(EXIT_FAILURE);
224	/* NOTREACHED */
225	}	461	}
226		462
227	/*----------------------------------------------------------------------*/	463	/*----------------------------------------------------------------------*/
228	/*	464	/*
229	* Exit gracefully, clearing the utmp entry and restoring tty attributes	465	* Exit gracefully, clearing the utmp entry and restoring tty attributes
230	* 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
231	*/	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
232	/* EXTPROTO */	490	/* INTPROTO */
233	void	491	int
234	rxvt_clean_exit(void)	492	rxvt_xerror_handler (Display *display, XErrorEvent *event)
235	{	493	{
236	dR;	494	if (GET_R->allowedxerror == -1)
237		495	GET_R->allowedxerror = event->error_code;
238	#ifdef DEBUG_SCREEN	496	else
239	rxvt_scr_release(aR);
240	#endif
241	#ifndef NO_SETOWNER_TTYDEV
242	rxvt_privileged_ttydev(aR_ RESTORE);
243	#endif
244	#ifdef UTMP_SUPPORT
245	rxvt_privileged_utmp(aR_ RESTORE);
246	#endif
247	#ifdef USE_XIM
248	if (R->Input_Context != NULL) {
249	XDestroyIC(R->Input_Context);
250	R->Input_Context = NULL;
251	}	497	{
252	#endif	498	old_xerror_handler (display, event);
		499	GET_R->destroy ();
		500	}
		501
		502	return 0;
253	}	503	}
254		504
255	/* ------------------------------------------------------------------------- *	505	/* ------------------------------------------------------------------------- *
256	* MEMORY ALLOCATION WRAPPERS *	506	* MEMORY ALLOCATION WRAPPERS *
257	* ------------------------------------------------------------------------- */	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
258	/* EXTPROTO */	519	/* INTPROTO */
259	void *	520	void *
260	rxvt_malloc(size_t size)	521	rxvt_calloc (size_t number, size_t size)
261	{	522	{
262	void *p;	523	void *p = calloc (number, size);
263		524
264	p = malloc(size);
265	if (p)	525	if (!p)
		526	rxvt_fatal ("memory allocation failure. aborting.\n");
		527
266	return p;	528	return p;
267
268	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
269	rxvt_clean_exit();
270	exit(EXIT_FAILURE);
271	/* NOTREACHED */
272	}	529	}
273		530
274	/* EXTPROTO */	531	/* INTPROTO */
275	void *	532	void *
276	rxvt_calloc(size_t number, size_t size)
277	{
278	void *p;
279
280	p = calloc(number, size);
281	if (p)
282	return p;
283
284	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
285	rxvt_clean_exit();
286	exit(EXIT_FAILURE);
287	/* NOTREACHED */
288	}
289
290	/* EXTPROTO */
291	void *
292	rxvt_realloc(void *ptr, size_t size)	533	rxvt_realloc (void *ptr, size_t size)
293	{	534	{
294	void *p;
295
296	if (ptr)
297	p = realloc(ptr, size);	535	void *p = realloc (ptr, size);
298	else	536
299	p = malloc(size);
300	if (p)	537	if (!p)
		538	rxvt_fatal ("memory allocation failure. aborting.\n");
		539
301	return p;	540	return p;
302
303	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
304	rxvt_clean_exit();
305	exit(EXIT_FAILURE);
306	/* NOTREACHED */
307	}	541	}
308		542
309	/* ------------------------------------------------------------------------- *	543	/* ------------------------------------------------------------------------- *
310	* PRIVILEGED OPERATIONS *	544	* PRIVILEGED OPERATIONS *
311	* ------------------------------------------------------------------------- */	545	* ------------------------------------------------------------------------- */
312	/* take care of suid/sgid super-user (root) privileges */	546	/* take care of suid/sgid super-user (root) privileges */
313	/* INTPROTO */
314	void	547	void
315	rxvt_privileges(pR_ int mode)	548	rxvt_privileges (rxvt_privaction action)
316	{	549	{
		550	#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
		551	static uid_t euid;
		552	static gid_t egid;
		553	#endif
		554
317	#if ! defined(__CYGWIN32__)	555	#if ! defined(__CYGWIN32__)
318	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	556	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
319	/* setreuid() is the poor man's setuid(), seteuid() */	557	/* setreuid () is the poor man's setuid (), seteuid () */
320	# define seteuid(a) setreuid(-1, (a))	558	# define seteuid(a) setreuid(-1, (a))
321	# define setegid(a) setregid(-1, (a))	559	# define setegid(a) setregid(-1, (a))
322	# define HAVE_SETEUID	560	# define HAVE_SETEUID
323	# endif	561	# endif
324	# ifdef HAVE_SETEUID	562	# ifdef HAVE_SETEUID
325	switch (mode) {	563	switch (action)
		564	{
326	case IGNORE:	565	case IGNORE:
327	/*	566	/*
328	* 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
329	* back to root later, as required	568	* back to root later, as required
330	*/	569	*/
331	seteuid(getuid());	570	seteuid (getuid ());
332	setegid(getgid());	571	setegid (getgid ());
333	break;	572	break;
334	case SAVE:	573	case SAVE:
335	R->euid = geteuid();	574	euid = geteuid ();
336	R->egid = getegid();	575	egid = getegid ();
337	break;	576	break;
338	case RESTORE:	577	case RESTORE:
339	seteuid(R->euid);	578	seteuid (euid);
340	setegid(R->egid);	579	setegid (egid);
341	break;	580	break;
342	}	581	}
343	# else	582	# else
344	switch (mode) {	583	switch (action)
		584	{
345	case IGNORE:	585	case IGNORE:
346	setuid(getuid());	586	setuid (getuid ());
347	setgid(getgid());	587	setgid (getgid ());
348	/* FALLTHROUGH */	588	/* FALLTHROUGH */
349	case SAVE:	589	case SAVE:
350	/* FALLTHROUGH */	590	/* FALLTHROUGH */
351	case RESTORE:	591	case RESTORE:
352	break;	592	break;
353	}	593	}
354	# endif	594	# endif
355	#endif	595	#endif
356	}	596	}
357		597
358	#ifdef UTMP_SUPPORT	598	#ifdef UTMP_SUPPORT
359	/* EXTPROTO */
360	void	599	void
361	rxvt_privileged_utmp(pR_ char action)	600	rxvt_term::privileged_utmp (rxvt_privaction action)
362	{	601	{
363	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
364	action, R->next_utmp_action, getpid()));
365	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
366	|| (R->Options & Opt_utmpInhibit)	602	if ((options & Opt_utmpInhibit)
367	|| R->ttydev == NULL || *R->ttydev == '\0')	603	|| !pty.name || !*pty.name)
368	return;	604	return;
369		605
370	rxvt_privileges(aR_ RESTORE);	606	rxvt_privileges (RESTORE);
		607
371	if (action == SAVE) {	608	if (action == SAVE)
372	R->next_utmp_action = RESTORE;	609	makeutent (pty.name, rs[Rs_display_name]);
373	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);	610	else
374	} else { /* action == RESTORE */	611	cleanutent ();
375	R->next_utmp_action = IGNORE;	612
376	rxvt_cleanutent(aR);
377	}
378	rxvt_privileges(aR_ IGNORE);	613	rxvt_privileges (IGNORE);
379	}
380	#endif
381
382	#ifndef NO_SETOWNER_TTYDEV
383	/* EXTPROTO */
384	void
385	rxvt_privileged_ttydev(pR_ char action)
386	{
387	D_MAIN((stderr,
388	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
389	action, R->next_tty_action, getpid()));
390	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
391	|| R->ttydev == NULL || *R->ttydev == '\0')
392	return;
393
394	rxvt_privileges(aR_ RESTORE);
395
396	if (action == SAVE) {
397	R->next_tty_action = RESTORE;
398	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
399	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
400	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
401	R->next_tty_action = IGNORE;
402	else
403	# endif
404	{
405	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
406	chmod(R->ttydev, R->ttymode);
407	# ifdef HAVE_REVOKE
408	revoke(R->ttydev);
409	# endif
410	}
411	} else { /* action == RESTORE */
412	R->next_tty_action = IGNORE;
413	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
414	chmod(R->ttydev, R->ttyfd_stat.st_mode);
415	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
416	# else
417	chmod(R->ttydev,
418	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
419	chown(R->ttydev, 0, 0);
420	# endif
421	}
422
423	rxvt_privileges(aR_ IGNORE);
424
425	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
426	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
427	action == RESTORE ? "Restoring" : (action ==
428	SAVE ? "Saving" :
429	"UNKNOWN ERROR for"), R->ttydev,
430	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
431	R->ttyfd_stat.st_gid));
432	# endif
433	}	614	}
434	#endif	615	#endif
435		616
436	/*----------------------------------------------------------------------*/	617	/*----------------------------------------------------------------------*/
437	/*	618	/*
438	* window size/position calculcations for XSizeHint and other storage.	619	* window size/position calculcations for XSizeHint and other storage.
439	* if width/height are non-zero then override calculated width/height	620	* if width/height are non-zero then override calculated width/height
440	*/	621	*/
441	/* EXTPROTO */
442	void	622	void
443	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	623	rxvt_term::window_calc (unsigned int width, unsigned int height)
444	{	624	{
445	short recalc_x, recalc_y;	625	short recalc_x, recalc_y;
446	int x, y, sb_w, mb_h, flags;	626	int x, y, sb_w, mb_h, flags;
447	unsigned int w, h;	627	unsigned int w, h;
448	unsigned int max_width, max_height;	628	unsigned int max_width, max_height;
449		629
450	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",
451	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	631	TermWin.ncol, TermWin.nrow, szHint.width,
452	R->szHint.height));	632	szHint.height));
453	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	633	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
454	R->szHint.win_gravity = NorthWestGravity;	634	szHint.win_gravity = NorthWestGravity;
455	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	635	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
456		636
457	recalc_x = recalc_y = 0;	637	recalc_x = recalc_y = 0;
458	flags = 0;	638	flags = 0;
459	if (!R->parsed_geometry) {	639	if (!parsed_geometry)
		640	{
460	R->parsed_geometry = 1;	641	parsed_geometry = 1;
461	if (R->rs[Rs_geometry])	642	if (rs[Rs_geometry])
462	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	643	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
463	if (flags & WidthValue) {	644	if (flags & WidthValue)
		645	{
464	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	646	TermWin.ncol = BOUND_POSITIVE_INT16 (w);
465	R->szHint.flags |= USSize;	647	szHint.flags |= USSize;
466	}	648	}
467	if (flags & HeightValue) {	649	if (flags & HeightValue)
		650	{
468	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	651	TermWin.nrow = BOUND_POSITIVE_INT16 (h);
469	R->szHint.flags |= USSize;	652	szHint.flags |= USSize;
470	}	653	}
471	if (flags & XValue) {	654	if (flags & XValue)
		655	{
472	R->szHint.x = x;	656	szHint.x = x;
473	R->szHint.flags |= USPosition;	657	szHint.flags |= USPosition;
474	if (flags & XNegative) {	658	if (flags & XNegative)
		659	{
475	recalc_x = 1;	660	recalc_x = 1;
476	R->szHint.win_gravity = NorthEastGravity;	661	szHint.win_gravity = NorthEastGravity;
477	}	662	}
478	}	663	}
479	if (flags & YValue) {	664	if (flags & YValue)
		665	{
480	R->szHint.y = y;	666	szHint.y = y;
481	R->szHint.flags |= USPosition;	667	szHint.flags |= USPosition;
482	if (flags & YNegative) {	668	if (flags & YNegative)
		669	{
483	recalc_y = 1;	670	recalc_y = 1;
484	if (R->szHint.win_gravity == NorthEastGravity)	671	if (szHint.win_gravity == NorthEastGravity)
485	R->szHint.win_gravity = SouthEastGravity;	672	szHint.win_gravity = SouthEastGravity;
486	else	673	else
487	R->szHint.win_gravity = SouthWestGravity;	674	szHint.win_gravity = SouthWestGravity;
488	}	675	}
489	}	676	}
490	}	677	}
		678
491	/* TODO: BOUNDS */	679	/* TODO: BOUNDS */
492	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	680	TermWin.width = TermWin.ncol * TermWin.fwidth;
493	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	681	TermWin.height = TermWin.nrow * TermWin.fheight;
494	max_width = MAX_COLS * R->TermWin.fwidth;	682	max_width = MAX_COLS * TermWin.fwidth;
495	max_height = MAX_ROWS * R->TermWin.fheight;	683	max_height = MAX_ROWS * TermWin.fheight;
496		684
497	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	685	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;
498		686
499	sb_w = mb_h = 0;	687	sb_w = mb_h = 0;
500	R->window_vt_x = R->window_vt_y = 0;	688	window_vt_x = window_vt_y = TermWin.int_bwidth;
		689
501	if (scrollbar_visible(R)) {	690	if (scrollbar_visible ())
		691	{
502	sb_w = scrollbar_TotalWidth();	692	sb_w = scrollbar_TotalWidth ();
503	R->szHint.base_width += sb_w;	693	szHint.base_width += sb_w;
504	if (!(R->Options & Opt_scrollBar_right))	694	if (!(options & Opt_scrollBar_right))
505	R->window_vt_x = sb_w;	695	window_vt_x += sb_w;
506	}	696	}
		697
507	if (menubar_visible(R)) {	698	if (menubar_visible ())
		699	{
508	mb_h = menuBar_TotalHeight();	700	mb_h = menuBar_TotalHeight ();
509	R->szHint.base_height += mb_h;	701	szHint.base_height += mb_h;
510	R->window_vt_y = mb_h;	702	window_vt_y += mb_h;
511	}	703	}
		704
512	R->szHint.width_inc = R->TermWin.fwidth;	705	szHint.width_inc = TermWin.fwidth;
513	R->szHint.height_inc = R->TermWin.fheight;	706	szHint.height_inc = TermWin.fheight;
514	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	707	szHint.min_width = szHint.base_width + szHint.width_inc;
515	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	708	szHint.min_height = szHint.base_height + szHint.height_inc;
516		709
517	if (width && width - R->szHint.base_width < max_width) {	710	if (width && width - szHint.base_width < max_width)
		711	{
518	R->szHint.width = width;	712	szHint.width = width;
519	R->TermWin.width = width - R->szHint.base_width;	713	TermWin.width = width - szHint.base_width;
520	} else {	714	}
		715	else
		716	{
521	MIN_IT(R->TermWin.width, max_width);	717	MIN_IT (TermWin.width, max_width);
522	R->szHint.width = R->szHint.base_width + R->TermWin.width;	718	szHint.width = szHint.base_width + TermWin.width;
523	}	719	}
		720
524	if (height && height - R->szHint.base_height < max_height) {	721	if (height && height - szHint.base_height < max_height)
		722	{
525	R->szHint.height = height;	723	szHint.height = height;
526	R->TermWin.height = height - R->szHint.base_height;	724	TermWin.height = height - szHint.base_height;
527	} else {	725	}
		726	else
		727	{
528	MIN_IT(R->TermWin.height, max_height);	728	MIN_IT (TermWin.height, max_height);
529	R->szHint.height = R->szHint.base_height + R->TermWin.height;	729	szHint.height = szHint.base_height + TermWin.height;
530	}	730	}
		731
531	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	732	if (scrollbar_visible () && (options & Opt_scrollBar_right))
532	R->window_sb_x = R->szHint.width - sb_w;	733	window_sb_x = szHint.width - sb_w;
533		734
534	if (recalc_x)	735	if (recalc_x)
535	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	736	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))
536	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	737	- szHint.width - 2 * TermWin.ext_bwidth);
537	if (recalc_y)	738	if (recalc_y)
538	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	739	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))
539	- R->szHint.height - 2 * R->TermWin.ext_bwidth);	740	- szHint.height - 2 * TermWin.ext_bwidth);
540		741
541	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	742	TermWin.ncol = TermWin.width / TermWin.fwidth;
542	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	743	TermWin.nrow = TermWin.height / TermWin.fheight;
543	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",
544	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	745	TermWin.ncol, TermWin.nrow, szHint.width,
545	R->szHint.height));	746	szHint.height));
546	return;	747	return;
547	}	748	}
548		749
549	/*----------------------------------------------------------------------*/	750	/*----------------------------------------------------------------------*/
550	/*	751	/*
551	* Tell the teletype handler what size the window is.	752	* Tell the teletype handler what size the window is.
552	* Called after a window size change.	753	* Called after a window size change.
553	*/	754	*/
554	/* EXTPROTO */
555	void	755	void
556	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	756	rxvt_term::tt_winch ()
557	{	757	{
		758	if (pty.pty < 0)
		759	return;
		760
558	struct winsize ws;	761	struct winsize ws;
559		762
560	if (fd < 0)
561	return;
562	ws.ws_col = col;	763	ws.ws_col = TermWin.ncol;
563	ws.ws_row = row;	764	ws.ws_row = TermWin.nrow;
564	ws.ws_xpixel = ws.ws_ypixel = 0;	765	ws.ws_xpixel = TermWin.width;
565	#ifndef DEBUG_SIZE	766	ws.ws_ypixel = TermWin.height;
566	(void)ioctl(fd, TIOCSWINSZ, &ws);	767	(void)ioctl (pty.pty, TIOCSWINSZ, &ws);
567	#else	768
568	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	769	#if 0
569	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	770	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
570	}
571	# ifdef SIGWINCH
572	else if (pid) /* force through to the command */	771	if (cmd_pid) /* force through to the command */
573	kill(pid, SIGWINCH);	772	kill (cmd_pid, SIGWINCH);
574	# endif
575	#endif	773	#endif
576	}	774	}
577		775
578	/*----------------------------------------------------------------------*/	776	/*----------------------------------------------------------------------*/
579	/* rxvt_change_font() - Switch to a new font */	777	/* set_fonts () - load and set the various fonts
580	/*	778	/*
581	* init = 1 - initialize	779	* init = 1 - initialize
582	*	780	*
583	* fontname == FONT_UP - switch to bigger font	781	* fontname == FONT_UP - switch to bigger font
584	* fontname == FONT_DN - switch to smaller font	782	* fontname == FONT_DN - switch to smaller font
585	*/	783	*/
586	/* EXTPROTO */	784	bool
587	void	785	rxvt_term::set_fonts ()
588	rxvt_change_font(pR_ int init, const char *fontname)
589	{	786	{
590	}	787	rxvt_fontset *fs = new rxvt_fontset (this);
		788	rxvt_fontprop prop;
591		789
592	/* INTPROTO */	790	if (!fs
593	void	791	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
594	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)
595	{	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);
596	}	877	}
597		878
598	/*----------------------------------------------------------------------*/	879	/*----------------------------------------------------------------------*/
599	/*----------------------------------------------------------------------*/	880	/*----------------------------------------------------------------------*/
600	/* xterm sequences - title, iconName, color (exptl) */	881	/* xterm sequences - title, iconName, color (exptl) */
601	/* EXTPROTO */
602	void	882	void
603	rxvt_set_title(pR_ const char *str)	883	rxvt_term::set_title (const char *str)
604	{	884	{
605	#ifndef SMART_WINDOW_TITLE	885	set_string_property (XA_WM_NAME, str);
606	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
607	#else	970	#else
608	char *name;
609
610	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
611	name = NULL;
612	if (name == NULL || STRCMP(name, str))
613	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
614	if (name)
615	XFree(name);
616	#endif
617	}
618
619	/* EXTPROTO */
620	void
621	rxvt_set_iconName(pR_ const char *str)
622	{
623	#ifndef SMART_WINDOW_TITLE
624	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
625	#else
626	char *name;
627
628	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
629	name = NULL;
630	if (name == NULL || STRCMP(name, str))
631	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
632	if (name)
633	XFree(name);
634	#endif
635	}
636
637	#ifdef XTERM_COLOR_CHANGE
638	/* EXTPROTO */
639	void
640	rxvt_set_window_color(pR_ int idx, const char *color)
641	{
642	rxvt_color xcol;
643	int i;
644
645	if (color == NULL || *color == '\0')
646	return;
647
648	/* handle color aliases */
649	if (isdigit(*color)) {
650	i = atoi(color);
651	if (i >= 8 && i <= 15) { /* bright colors */
652	i -= 8;
653	# ifndef NO_BRIGHTCOLOR
654	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
655	SET_PIXCOLOR(R, idx);
656	goto Done;
657	# endif
658	}
659	if (i >= 0 && i <= 7) { /* normal colors */
660	R->PixColors[idx] = R->PixColors[minCOLOR + i];
661	SET_PIXCOLOR(R, idx);
662	goto Done;
663	}
664	}
665	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
666	return;
667	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
668
669	/*
670	* FIXME: should free colors here, but no idea how to do it so instead,
671	* so just keep gobbling up the colormap
672	*/
673	# if 0
674	for (i = Color_Black; i <= Color_White; i++)
675	if (R->PixColors[idx] == R->PixColors[i])
676	break;
677	if (i > Color_White) {
678	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
679	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
680	DisplayPlanes(R->Xdisplay, Xscreen));
681	}
682	# endif
683
684	R->PixColors[idx] = xcol;
685	SET_PIXCOLOR(R, idx);
686
687	/* XSetWindowAttributes attr; */
688	/* Cursor cursor; */
689	Done:
690	if (idx == Color_bg && !(R->Options & Opt_transparent))
691	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
692	R->PixColors[Color_bg]);
693
694	/* handle Color_BD, scrollbar background, etc. */
695
696	rxvt_set_colorfgbg(aR);
697	rxvt_recolour_cursor(aR);
698	/* the only reasonable way to enforce a clean update */
699	rxvt_scr_poweron(aR);
700	}
701
702	#else
703	# define rxvt_set_window_color(aR_ idx,color) ((void)0)	971	# define set_window_color (idx,color) ((void)0)
704	#endif /* XTERM_COLOR_CHANGE */	972	#endif /* XTERM_COLOR_CHANGE */
705		973
706	/* EXTPROTO */
707	void	974	void
708	rxvt_recolour_cursor(pR)	975	rxvt_term::recolour_cursor ()
709	{	976	{
710	rxvt_color xcol[2];	977	XColor xcol[2];
711		978
712	#if TODO	979	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
713	xcol[0] = R->PixColors[Color_pointer];	980	? pix_colors_focused[Color_pointer_fg]
714	xcol[1] = R->PixColors[Color_bg];	981	: pix_colors_focused[Color_fg];
715	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);
716	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	987	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
717	#endif
718	}	988	}
719		989
720	/*----------------------------------------------------------------------*/	990	/*----------------------------------------------------------------------*/
721	/*	991	/*
722	* 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
723	*/	993	*/
724	/* INTPROTO */
725	void	994	void
726	rxvt_set_colorfgbg(pR)	995	rxvt_term::set_colorfgbg ()
727	{	996	{
728	unsigned int i;	997	unsigned int i;
729	const char *xpmb = "\0";	998	const char *xpmb = "\0";
730	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	999	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
731		1000
732	R->env_colorfgbg =
733	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	1001	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
734	STRCPY(fstr, "default");	1002	strcpy (fstr, "default");
735	STRCPY(bstr, "default");	1003	strcpy (bstr, "default");
736	for (i = Color_Black; i <= Color_White; i++)	1004	for (i = Color_Black; i <= Color_White; i++)
737	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1005	if (pix_colors[Color_fg] == pix_colors[i])
		1006	{
738	sprintf(fstr, "%d", (i - Color_Black));	1007	sprintf (fstr, "%d", (i - Color_Black));
739	break;	1008	break;
740	}	1009	}
		1010
741	for (i = Color_Black; i <= Color_White; i++)	1011	for (i = Color_Black; i <= Color_White; i++)
742	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1012	if (pix_colors[Color_bg] == pix_colors[i])
		1013	{
743	sprintf(bstr, "%d", (i - Color_Black));	1014	sprintf (bstr, "%d", (i - Color_Black));
744	#ifdef XPM_BACKGROUND	1015	#ifdef XPM_BACKGROUND
745	xpmb = "default;";	1016	xpmb = "default;";
746	#endif	1017	#endif
747	break;	1018	break;
748	}	1019	}
		1020
749	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1021	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
750	putenv(R->env_colorfgbg);
751
752	#ifndef NO_BRIGHTCOLOR
753	R->colorfgbg = DEFAULT_RSTYLE;
754	for (i = minCOLOR; i <= maxCOLOR; i++) {
755	if (R->PixColors[Color_fg] == R->PixColors[i])
756	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
757	if (R->PixColors[Color_bg] == R->PixColors[i])
758	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
759	}
760	#endif
761	}	1022	}
762		1023
763	/*----------------------------------------------------------------------*/	1024	/*----------------------------------------------------------------------*/
764	/*
765	* Colour determination for low colour displays, routine from
766	* Hans de Goede <hans@highrise.nl>
767	*/
768		1025
769	/* EXTPROTO */
770	int	1026	int
771	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)	1027	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
772	{	1028	{
773	screen_in_out->set(aR_ colour);
774
775	if (!screen_in_out->set(aR_ colour)) {	1029	if (!screen_in_out->set (display, colour))
776	rxvt_print_error("can't allocate colour: %s", colour);	1030	{
		1031	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
777	return false;	1032	return false;
778	}	1033	}
779		1034
780	return true;	1035	return true;
781	}	1036	}
782		1037
783	/* -------------------------------------------------------------------- *	1038	/* -------------------------------------------------------------------- *
784	* - WINDOW RESIZING - *	1039	* - WINDOW RESIZING - *
785	* -------------------------------------------------------------------- */	1040	* -------------------------------------------------------------------- */
786	/* EXTPROTO */
787	void	1041	void
788	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)
789	int ignoreparent)
790	{	1043	{
791	int fix_screen;	1044	int fix_screen;
792		1045
793	#ifdef SMART_RESIZE	1046	#ifdef SMART_RESIZE
794	int old_width = R->szHint.width, old_height = R->szHint.height;	1047	int old_width = szHint.width, old_height = szHint.height;
795	#endif	1048	#endif
796		1049
797	rxvt_window_calc(aR_ width, height);	1050	window_calc (width, height);
798	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);	1051	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);
		1052
799	if (!ignoreparent) {	1053	if (!ignoreparent)
		1054	{
800	#ifdef SMART_RESIZE	1055	#ifdef SMART_RESIZE
801	/*	1056	/*
802	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1057	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
803	* reposition window on resize depending on placement on screen	1058	* reposition window on resize depending on placement on screen
804	*/	1059	*/
805	int x, y, x1, y1;	1060	int x, y, x1, y1;
806	int dx, dy;	1061	int dx, dy;
807	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1062	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
808	Window unused_cr;	1063	Window unused_cr;
809		1064
810	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1065	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,
811	0, 0, &x, &y, &unused_cr);	1066	0, 0, &x, &y, &unused_cr);
812	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1067	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,
813	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1068	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
814	/*	1069	/*
815	* 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
816	* our position for handles and decorations. Counter it	1071	* our position for handles and decorations. Counter it
817	*/	1072	*/
818	if (x1 != x || y1 != y) {	1073	if (x1 != x || y1 != y)
		1074	{
819	x -= x1;	1075	x -= x1;
820	y -= y1;	1076	y -= y1;
821	}	1077	}
822		1078
823	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1079	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;
824	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1080	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;
825	dx = old_width - R->szHint.width;	1081	dx = old_width - szHint.width;
826	dy = old_height - R->szHint.height;	1082	dy = old_height - szHint.height;
827		1083
828	/* Check position of the center of the window */	1084	/* Check position of the center of the window */
829	if (x < x1) /* left half */	1085	if (x < x1) /* left half */
830	dx = 0;	1086	dx = 0;
831	else if (x == x1) /* exact center */	1087	else if (x == x1) /* exact center */
832	dx /= 2;	1088	dx /= 2;
833	if (y < y1) /* top half */	1089	if (y < y1) /* top half */
834	dy = 0;	1090	dy = 0;
835	else if (y == y1) /* exact center */	1091	else if (y == y1) /* exact center */
836	dy /= 2;	1092	dy /= 2;
837		1093
838	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1094	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,
839	R->szHint.width, R->szHint.height);	1095	szHint.width, szHint.height);
840	#else	1096	#else
841	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1097	XResizeWindow (display->display, TermWin.parent[0], szHint.width, szHint.height);
842	R->szHint.height);
843	#endif	1098	#endif
844	}	1099	}
845		1100
846	fix_screen = (R->TermWin.ncol != R->prev_ncol	1101	fix_screen = TermWin.ncol != prev_ncol || TermWin.nrow != prev_nrow;
847	|| R->TermWin.nrow != R->prev_nrow);	1102
848	if (fix_screen || width != R->old_width || height != R->old_height) {	1103	if (fix_screen || width != old_width || height != old_height)
		1104	{
849	if (scrollbar_visible(R)) {	1105	if (scrollbar_visible ())
		1106	{
850	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,	1107	XMoveResizeWindow (display->display, scrollBar.win,
		1108	window_sb_x, 0,
851	0, scrollbar_TotalWidth(), R->szHint.height);	1109	scrollbar_TotalWidth (), szHint.height);
852	rxvt_Resize_scrollBar(aR);	1110	resize_scrollbar ();
853	}	1111	}
		1112
854	if (menubar_visible(R))	1113	if (menubar_visible ())
855	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,	1114	XMoveResizeWindow (display->display, menuBar.win,
		1115	window_vt_x, 0,
856	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1116	TermWin_TotalWidth (), menuBar_TotalHeight ());
857	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,	1117
858	R->window_vt_y, TermWin_TotalWidth(),	1118	XMoveResizeWindow (display->display, TermWin.vt,
		1119	window_vt_x, window_vt_y,
859	TermWin_TotalHeight());	1120	TermWin_TotalWidth (), TermWin_TotalHeight ());
860	#ifdef RXVT_GRAPHICS	1121
861	if (R->old_height)
862	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
863	R->old_height - R->szHint.base_height);
864	#endif
865	rxvt_scr_clear(aR);	1122	scr_clear ();
866	#ifdef XPM_BACKGROUND	1123	#ifdef XPM_BACKGROUND
867	rxvt_resize_pixmap(aR);	1124	resize_pixmap ();
868	#endif	1125	#endif
869	}	1126	}
870		1127
871	if (fix_screen || R->old_height == 0) {	1128	if (fix_screen || old_height == 0)
		1129	{
872	int curr_screen = -1;	1130	int curr_screen = -1;
873	uint16_t old_ncol = R->prev_ncol;	1131	int old_ncol = prev_ncol;
874		1132
875	/* scr_reset only works on the primary screen */	1133	/* scr_reset only works on the primary screen */
876	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
877	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1138	curr_screen = scr_change_screen (PRIMARY);
878	rxvt_scr_reset(aR);	1139	TermWin.ncol = ncol;
879	if (curr_screen >= 0) { /* this is not the first time through */
880	rxvt_scr_change_screen(aR_ curr_screen);
881	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
882	}	1140	}
883	}
884		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
885	R->old_width = R->szHint.width;	1151	old_width = szHint.width;
886	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
887		1158
888	#ifdef USE_XIM	1159	#ifdef USE_XIM
889	rxvt_IMSetStatusPosition(aR);	1160	IMSetStatusPosition ();
890	#endif	1161	#endif
891	}	1162	}
892		1163
893	/*	1164	/*
894	* 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.
895	* good for toggling 80/132 columns	1166	* good for toggling 80/132 columns
896	*/	1167	*/
897	/* EXTPROTO */
898	void	1168	void
899	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1169	rxvt_term::set_widthheight (unsigned int width, unsigned int height)
900	{	1170	{
901	XWindowAttributes wattr;	1171	XWindowAttributes wattr;
902		1172
903	if (width == 0 || height == 0) {	1173	if (width == 0 || height == 0)
		1174	{
904	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1175	XGetWindowAttributes (display->display, display->root, &wattr);
905	if (width == 0)	1176	if (width == 0)
906	width = wattr.width - R->szHint.base_width;	1177	width = wattr.width - szHint.base_width;
907	if (height == 0)	1178	if (height == 0)
908	height = wattr.height - R->szHint.base_height;	1179	height = wattr.height - szHint.base_height;
909	}	1180	}
		1181
910	if (width != R->TermWin.width || height != R->TermWin.height) {	1182	if (width != TermWin.width || height != TermWin.height)
		1183	{
911	width += R->szHint.base_width;	1184	width += szHint.base_width;
912	height += R->szHint.base_height;	1185	height += szHint.base_height;
913	rxvt_resize_all_windows(aR_ width, height, 0);	1186	resize_all_windows (width, height, 0);
914	}	1187	}
915	}	1188	}
916		1189
917	/* -------------------------------------------------------------------- *	1190	/* -------------------------------------------------------------------- *
918	* - X INPUT METHOD ROUTINES - *	1191	* - X INPUT METHOD ROUTINES - *
919	* -------------------------------------------------------------------- */	1192	* -------------------------------------------------------------------- */
920	#ifdef USE_XIM	1193	#ifdef USE_XIM
921	/* INTPROTO */
922	void
923	rxvt_setSize(pR_ XRectangle * size)
924	{
925	size->x = R->TermWin.int_bwidth;
926	size->y = R->TermWin.int_bwidth;
927	size->width = Width2Pixel(R->TermWin.ncol);
928	size->height = Height2Pixel(R->TermWin.nrow);
929	}
930		1194
931	/* INTPROTO */
932	void	1195	void
933	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1196	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
934	{	1197	{
935	*fg = R->PixColors[Color_fg];	1198	fg = pix_colors[Color_fg];
936	*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;
937	}	1226	}
938		1227
939	/* Checking whether input method is running. */	1228	/* Checking whether input method is running. */
940	/* INTPROTO */
941	Bool	1229	bool
942	rxvt_IMisRunning(pR)	1230	rxvt_term::IMisRunning ()
943	{	1231	{
944	char *p;	1232	char *p;
945	Atom atom;	1233	Atom atom;
946	Window win;	1234	Window win;
947	char server[IMBUFSIZ];	1235	char server[IMBUFSIZ];
948		1236
949	/* get current locale modifier */	1237	/* get current locale modifier */
950	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1238	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1239	{
951	STRCPY(server, "@server=");	1240	strcpy (server, "@server=");
952	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1241	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1242
953	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1243	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
954	*p = '\0';	1244	*p = '\0';
955		1245
956	atom = XInternAtom(R->Xdisplay, server, False);	1246	atom = XInternAtom (display->display, server, False);
957	win = XGetSelectionOwner(R->Xdisplay, atom);	1247	win = XGetSelectionOwner (display->display, atom);
		1248
958	if (win != None)	1249	if (win != None)
959	return True;	1250	return True;
960	}	1251	}
		1252
961	return False;	1253	return False;
962	}	1254	}
963		1255
964	/* EXTPROTO */
965	void	1256	void
966	rxvt_IMSendSpot(pR)	1257	rxvt_term::IMSendSpot ()
967	{	1258	{
968	XPoint spot;	1259	XPoint nspot;
969	XVaNestedList preedit_attr;	1260	XVaNestedList preedit_attr;
970		1261
971	if (R->Input_Context == NULL	1262	if (!Input_Context
		1263	|| !TermWin.focus
972	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1264	|| !(input_style & XIMPreeditPosition))
973	|| !(R->event_type == KeyPress
974	|| R->event_type == Expose
975	|| R->event_type == NoExpose
976	|| R->event_type == SelectionNotify
977	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
978	|| !rxvt_IMisRunning(aR))
979	return;	1265	return;
980		1266
981	rxvt_setPosition(aR_ & spot);	1267	im_set_position (nspot);
982		1268
		1269	if (nspot.x == spot.x && nspot.y == spot.y)
		1270	return;
		1271
		1272	spot = nspot;
		1273
983	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1274	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
984	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1275	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
985	XFree(preedit_attr);	1276	XFree (preedit_attr);
986	}	1277	}
987		1278
988	/* EXTPROTO */
989	void	1279	void
990	rxvt_setTermFontSet(pR_ int idx)	1280	rxvt_term::im_destroy ()
991	{	1281	{
992	char *string;	1282	if (input_method)
993	long length;
994	int success = 0;
995
996	if (idx < 0 || idx >= MAX_NFONTS)
997	return;
998	}
999
1000	/* INTPROTO */
1001	void
1002	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1003	XRectangle * needed_rect)
1004	{
1005	int mbh, vtx = 0;
1006
1007	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1008	vtx = scrollbar_TotalWidth();
1009	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1010	mbh -= R->TermWin.lineSpace;
1011
1012	preedit_rect->x = needed_rect->width + vtx;
1013	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1014
1015	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1016	+ vtx;
1017	preedit_rect->height = Height2Pixel(1);
1018
1019	status_rect->x = vtx;
1020	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1021
1022	status_rect->width = needed_rect->width ? needed_rect->width
1023	: Width2Pixel(R->TermWin.ncol + 1);
1024	status_rect->height = Height2Pixel(1);
1025	}
1026
1027	/* ARGSUSED */
1028	/* INTPROTO */
1029	void
1030	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1031	__attribute__ ((unused)), XPointer call_data
1032	__attribute__ ((unused)))
1033	{
1034	dR;
1035
1036	R->Input_Context = NULL;
1037	/* To avoid Segmentation Fault in C locale: Solaris only? */
1038	if (STRCMP(R->locale, "C"))
1039	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1040	rxvt_IMInstantiateCallback, NULL);
1041	}
1042
1043	/*
1044	* X manual pages and include files don't match on some systems:
1045	* some think this is an XIDProc and others an XIMProc so we can't
1046	* use the first argument - need to update this to be nice for
1047	* both types via some sort of configure detection
1048	*/
1049	/* ARGSUSED */
1050	/* EXTPROTO */
1051	void
1052	rxvt_IMInstantiateCallback(Display * unused
1053	__attribute__ ((unused)), XPointer client_data
1054	__attribute__ ((unused)), XPointer call_data
1055	__attribute__ ((unused)))
1056	{
1057	dR;
1058	int i, found, had_im;
1059	const char *p;
1060	char **s;
1061	char buf[IMBUFSIZ];
1062
1063	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));
1064	if (R->Input_Context)
1065	return;
1066
1067	found = had_im = 0;
1068	p = R->rs[Rs_inputMethod];
1069	if (p && *p) {
1070	had_im = 1;
1071	s = rxvt_splitcommastring(p);
1072	for (i = 0; s[i]; i++) {
1073	if (*s[i]) {
1074	STRCPY(buf, "@im=");
1075	STRNCAT(buf, s[i], IMBUFSIZ - 5);
1076	if ((p = XSetLocaleModifiers(buf)) != NULL && *p
1077	&& (rxvt_IM_get_IC(aR) == True)) {
1078	found = 1;
1079	break;
1080	}
1081	}
1082	}
1083	for (i = 0; s[i]; i++)
1084	free(s[i]);
1085	free(s);
1086	}	1283	{
1087	if (found)	1284	if (Input_Context && input_method->xim)
1088	return;	1285	XDestroyIC (Input_Context);
1089		1286
1090	/* try with XMODIFIERS env. var. */	1287	display->put_xim (input_method);
1091	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1288	input_method = 0;
1092	rxvt_IM_get_IC(aR);
1093	return;
1094	}	1289	}
1095		1290
1096	/* try with no modifiers base IF the user didn't specify an IM */	1291	Input_Context = 0;
1097	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p
1098	&& rxvt_IM_get_IC(aR) == True)
1099	return;
1100	}	1292	}
1101		1293
1102	/*	1294	/*
1103	* 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
1104	* open a suitable preedit type	1296	* open a suitable preedit type
1105	*/	1297	*/
1106	/* INTPROTO */
1107	Bool	1298	bool
1108	rxvt_IM_get_IC(pR)	1299	rxvt_term::IM_get_IC (const char *modifiers)
1109	{	1300	{
1110	int i, j, found;	1301	int i, j, found;
1111	XIM xim;	1302	XIM xim;
1112	XPoint spot;	1303	XPoint spot;
1113	XRectangle rect, status_rect, needed_rect;	1304	XRectangle rect, status_rect, needed_rect;
1114	unsigned long fg, bg;	1305	unsigned long fg, bg;
1115	const char *p;	1306	const char *p;
1116	char **s;	1307	char **s;
1117	XIMStyles *xim_styles;	1308	XIMStyles *xim_styles;
1118	XVaNestedList preedit_attr, status_attr;
1119	XIMCallback ximcallback;
1120		1309
		1310	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1311	return false;
		1312
1121	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1313	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1122	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1314	input_method = display->get_xim (locale, modifiers);
1123	if (xim == NULL)	1315	if (input_method == NULL)
1124	return False;	1316	return false;
1125		1317
		1318	xim = input_method->xim;
		1319	spot.x = spot.y = -1;
		1320
1126	xim_styles = NULL;	1321	xim_styles = NULL;
1127	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1322	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1128	|| !xim_styles || !xim_styles->count_styles) {	1323	|| !xim_styles || !xim_styles->count_styles)
1129	XCloseIM(xim);	1324	{
		1325	im_destroy ();
1130	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++)
1131	}	1332	{
		1333	p = pet[pi];
1132		1334
1133	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1335	if (!p)
1134	: "OverTheSpot,OffTheSpot,Root";	1336	continue;
		1337
1135	s = rxvt_splitcommastring(p);	1338	s = rxvt_splitcommastring (p);
		1339
1136	for (i = found = 0; !found && s[i]; i++) {	1340	for (i = found = 0; !found && s[i]; i++)
		1341	{
1137	if (!STRCMP(s[i], "OverTheSpot"))	1342	if (!strcmp (s[i], "OverTheSpot"))
1138	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1343	input_style = (XIMPreeditPosition | XIMStatusNothing);
1139	else if (!STRCMP(s[i], "OffTheSpot"))	1344	else if (!strcmp (s[i], "OffTheSpot"))
1140	R->input_style = (XIMPreeditArea | XIMStatusArea);	1345	input_style = (XIMPreeditArea | XIMStatusArea);
1141	else if (!STRCMP(s[i], "Root"))	1346	else if (!strcmp (s[i], "Root"))
1142	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1347	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1348	else if (!strcmp (s[i], "None"))
		1349	input_style = (XIMPreeditNone | XIMStatusNone);
1143		1350
1144	for (j = 0; j < xim_styles->count_styles; j++)	1351	for (j = 0; j < xim_styles->count_styles; j++)
1145	if (R->input_style == xim_styles->supported_styles[j]) {	1352	if (input_style == xim_styles->supported_styles[j])
		1353	{
		1354	rxvt_freecommastring (s);
		1355
1146	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;
1147	break;	1511	break;
		1512	}
1148	}	1513	}
1149	}	1514	}
1150	for (i = 0; s[i]; i++)
1151	free(s[i]);
1152	free(s);
1153	XFree(xim_styles);
1154		1515
		1516	rxvt_freecommastring (s);
		1517
1155	if (!found) {	1518	if (found)
1156	XCloseIM(xim);	1519	goto done;
1157	return False;
1158	}	1520	}
1159		1521
1160	ximcallback.callback = rxvt_IMDestroyCallback;	1522	/* try with XMODIFIERS env. var. */
		1523	if (IM_get_IC (""))
		1524	goto done;
1161		1525
1162	/* 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 */
1163	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1527	if (IM_get_IC ("@im=none"))
		1528	goto done;
1164		1529
1165	preedit_attr = status_attr = NULL;	1530	done:
1166		1531	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1167	if (R->input_style & XIMPreeditPosition) {	1532	if (rs[Rs_imLocale])
1168	rxvt_setSize(aR_ & rect);	1533	SET_LOCALE (locale);
1169	rxvt_setPosition(aR_ & spot);	1534	#endif
1170	rxvt_setColor(aR_ & fg, &bg);
1171
1172	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1173	XNSpotLocation, &spot,
1174	XNForeground, fg, XNBackground, bg,
1175	//XNFontSet, R->TermWin.fontset,
1176	NULL);
1177	} else if (R->input_style & XIMPreeditArea) {
1178	rxvt_setColor(aR_ & fg, &bg);
1179
1180	/*
1181	* The necessary width of preedit area is unknown
1182	* until create input context.
1183	*/
1184	needed_rect.width = 0;
1185
1186	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1187
1188	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1189	XNForeground, fg, XNBackground, bg,
1190	//XNFontSet, R->TermWin.fontset,
1191	NULL);
1192	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1193	XNForeground, fg, XNBackground, bg,
1194	//XNFontSet, R->TermWin.fontset,
1195	NULL);
1196	}
1197	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1198	XNClientWindow, R->TermWin.parent[0],
1199	XNFocusWindow, R->TermWin.parent[0],
1200	XNDestroyCallback, &ximcallback,
1201	preedit_attr ? XNPreeditAttributes : NULL,
1202	preedit_attr,
1203	status_attr ? XNStatusAttributes : NULL,
1204	status_attr, NULL);
1205	if (preedit_attr)
1206	XFree(preedit_attr);
1207	if (status_attr)
1208	XFree(status_attr);
1209	if (R->Input_Context == NULL) {
1210	rxvt_print_error("failed to create input context");
1211	XCloseIM(xim);
1212	return False;
1213	}
1214	if (R->input_style & XIMPreeditArea)
1215	rxvt_IMSetStatusPosition(aR);
1216	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1217	return True;
1218	}	1535	}
1219		1536
1220	/* EXTPROTO */
1221	void	1537	void
1222	rxvt_IMSetStatusPosition(pR)	1538	rxvt_term::IMSetStatusPosition ()
1223	{	1539	{
1224	XRectangle preedit_rect, status_rect, *needed_rect;	1540	XRectangle preedit_rect, status_rect, *needed_rect;
1225	XVaNestedList preedit_attr, status_attr;	1541	XVaNestedList preedit_attr, status_attr;
1226		1542
1227	if (R->Input_Context == NULL	1543	if (!Input_Context
		1544	|| !TermWin.focus
1228	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1545	|| !(input_style & XIMPreeditArea)
1229	|| !rxvt_IMisRunning(aR))	1546	|| !IMisRunning ())
1230	return;	1547	return;
1231		1548
1232	/* Getting the necessary width of preedit area */	1549	/* Getting the necessary width of preedit area */
1233	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1550	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1234	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1551	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1235	XFree(status_attr);	1552	XFree (status_attr);
1236		1553
1237	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1554	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1555	XFree (needed_rect);
1238		1556
1239	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1557	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1240	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1558	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1241		1559
1242	XSetICValues(R->Input_Context,	1560	XSetICValues (Input_Context,
1243	XNPreeditAttributes, preedit_attr,	1561	XNPreeditAttributes, preedit_attr,
1244	XNStatusAttributes, status_attr, NULL);	1562	XNStatusAttributes, status_attr, NULL);
1245		1563
1246	XFree(preedit_attr);	1564	XFree (preedit_attr);
1247	XFree(status_attr);	1565	XFree (status_attr);
1248	}	1566	}
1249	#endif /* USE_XIM */	1567	#endif /* USE_XIM */
1250		1568
1251	/*----------------------------------------------------------------------*/	1569	/*----------------------------------------------------------------------*/
1252	rxvt_t rxvt_current_term;	1570	rxvt_t rxvt_current_term;

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