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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.7 by pcg, Wed Nov 26 10:42:34 2003 UTC vs.
Revision 1.128 by root, Mon Jan 17 00:59:23 2005 UTC

1	/*--------------------------------*-C-*---------------------------------*	1	/*--------------------------------*-C-*---------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	* $Id: main.C,v 1.7 2003/11/26 10:42:34 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),
		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),
66	#endif	156	#endif
67	#ifdef POINTER_BLANK	157	#ifdef POINTER_BLANK
68	pointer_ev (this, &rxvt_term::pointer_cb),	158	pointer_ev (this, &rxvt_term::pointer_cb),
69	#endif	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_chld (this, &rxvt_term::sig_chld),
		165	termwin_ev (this, &rxvt_term::x_cb),
70	x_ev (this, &rxvt_term::x_cb)	166	vt_ev (this, &rxvt_term::x_cb),
		167	check_ev (this, &rxvt_term::check_cb),
		168	flush_ev (this, &rxvt_term::flush_cb),
		169	destroy_ev (this, &rxvt_term::destroy_cb),
		170	pty_ev (this, &rxvt_term::pty_cb),
		171	incr_ev (this, &rxvt_term::incr_cb)
71	{	172	{
72	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	173	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		174
		175	termlist.push_back (this);
		176
		177	#ifdef KEYSYM_RESOURCE
		178	keyboard = new keyboard_manager;
		179
		180	if (!keyboard)
		181	rxvt_fatal ("out of memory, aborting.\n");
		182	#endif
73	}	183	}
74		184
75	rxvt_term::~rxvt_term ()	185	rxvt_term::~rxvt_term ()
76	{	186	{
77	delete PixColors;	187	termlist.erase (find (termlist.begin (), termlist.end(), this));
		188
		189	if (cmd_pid)
		190	kill (-cmd_pid, SIGHUP);
		191
		192	pty.put ();
		193
		194	#ifdef UTMP_SUPPORT
		195	privileged_utmp (RESTORE);
		196	#endif
		197
		198	#if ENABLE_STYLES
		199	for (int i = RS_styleCount; --i; )
		200	if (TermWin.fontset[i] != TermWin.fontset[0])
		201	delete TermWin.fontset[i];
		202	#endif
		203	delete TermWin.fontset[0];
		204
		205	if (display)
		206	{
		207	selection_clear ();
		208
		209	#ifdef USE_XIM
		210	im_destroy ();
		211	#endif
		212	#ifdef MENUBAR
		213	if (menubarGC) XFreeGC (display->display, menubarGC);
		214	#endif
		215	#ifdef XTERM_SCROLLBAR
		216	if (xscrollbarGC) XFreeGC (display->display, xscrollbarGC);
		217	if (ShadowGC) XFreeGC (display->display, ShadowGC);
		218	#endif
		219	#ifdef PLAIN_SCROLLBAR
		220	if (pscrollbarGC) XFreeGC (display->display, pscrollbarGC);
		221	#endif
		222	#ifdef NEXT_SCROLLBAR
		223	if (blackGC) XFreeGC (display->display, blackGC);
		224	if (whiteGC) XFreeGC (display->display, whiteGC);
		225	if (grayGC) XFreeGC (display->display, grayGC);
		226	if (darkGC) XFreeGC (display->display, darkGC);
		227	if (stippleGC) XFreeGC (display->display, stippleGC);
		228	if (dimple) XFreePixmap (display->display, dimple);
		229	if (upArrow) XFreePixmap (display->display, upArrow);
		230	if (downArrow) XFreePixmap (display->display, downArrow);
		231	if (upArrowHi) XFreePixmap (display->display, upArrowHi);
		232	if (downArrowHi) XFreePixmap (display->display, downArrowHi);
		233	#endif
		234	#if defined(MENUBAR) || defined(RXVT_SCROLLBAR)
		235	if (topShadowGC) XFreeGC (display->display, topShadowGC);
		236	if (botShadowGC) XFreeGC (display->display, botShadowGC);
		237	if (scrollbarGC) XFreeGC (display->display, scrollbarGC);
		238	#endif
		239	if (TermWin.gc) XFreeGC (display->display, TermWin.gc);
		240
		241	#if defined(MENUBAR) && (MENUBAR_MAX > 1)
		242	delete menuBar.drawable;
		243	//if (menuBar.win)
		244	// XDestroyWindow (display->display, menuBar.win);
		245	#endif
		246	delete TermWin.drawable;
		247	// destroy all windows
		248	if (TermWin.parent[0])
		249	XDestroyWindow (display->display, TermWin.parent[0]);
		250	}
		251
		252	// TODO: free pixcolours, colours should become part of rxvt_display
		253
		254	delete pix_colors_focused;
		255	#ifdef OFF_FOCUS_FADING
		256	delete pix_colors_unfocused;
		257	#endif
		258
		259	displays.put (display);
		260
		261	scr_release ();
		262
		263	/* clear all resources */
		264	for (int i = 0; i < allocated.size (); i++)
		265	free (allocated[i]);
		266
		267	free (selection.text);
		268	// TODO: manage env vars in child only(!)
		269	free (env_windowid);
		270	free (env_display);
		271	free (env_term);
		272	free (env_colorfgbg);
		273	free (locale);
		274	free (v_buffer);
		275	free (incr_buf);
		276
		277	delete envv;
		278	delete argv;
		279
		280	#ifdef KEYSYM_RESOURCE
		281	delete keyboard;
		282	#endif
		283	}
		284
		285	void
		286	rxvt_term::destroy ()
		287	{
		288	if (destroy_ev.active)
		289	return;
		290
		291	#if ENABLE_OVERLAY
		292	scr_overlay_off ();
		293	#endif
		294
		295	if (display)
		296	{
		297	#if USE_XIM
		298	im_ev.stop (display);
		299	#endif
		300	#if HAVE_SCROLLBARS
		301	scrollbar_ev.stop (display);
		302	#endif
		303	#if MENUBAR
		304	menubar_ev.stop (display);
		305	#endif
		306	#if TRANSPARENT
		307	rootwin_ev.stop (display);
		308	#endif
		309	incr_ev.stop ();
		310	termwin_ev.stop (display);
		311	vt_ev.stop (display);
		312	}
		313
		314	check_ev.stop ();
		315	pty_ev.stop ();
		316	#ifdef CURSOR_BLINK
		317	cursor_blink_ev.stop ();
		318	#endif
		319	#ifdef TEXT_BLINK
		320	text_blink_ev.stop ();
		321	#endif
		322	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		323	cont_scroll_ev.stop ();
		324	#endif
		325	#ifdef SELECTION_SCROLLING
		326	sel_scroll_ev.stop ();
		327	#endif
		328	#ifdef POINTER_BLANK
		329	pointer_ev.stop ();
		330	#endif
		331
		332	destroy_ev.start (0);
		333	}
		334
		335	void
		336	rxvt_term::destroy_cb (time_watcher &w)
		337	{
		338	SET_R (this);
		339
		340	delete this;
78	}	341	}
79		342
80	/*----------------------------------------------------------------------*/	343	/*----------------------------------------------------------------------*/
81	/* rxvt_init() */	344	/* rxvt_init () */
82	/* LIBPROTO */
83	rxvt_t
84	rxvt_init(int argc, const char *const *argv)
85	{
86	SET_R(new rxvt_term);
87	dR;
88
89	if (!R->init_vars () || !R->init (argc, argv))
90	{
91	delete R;
92	return NULL;
93	}
94
95	return R;
96	}
97
98	bool	345	bool
99	rxvt_term::init (int argc, const char *const *argv)	346	rxvt_term::init (int argc, const char *const *argv)
100	{	347	{
101	dR;//TODO (scrollbar, setidle)	348	SET_R (this);
102		349
		350	set_locale ("");
		351
		352	if (!init_vars ())
		353	return false;
		354
		355	init_secondary ();
		356
		357	const char **cmd_argv = init_resources (argc, argv);
		358
		359	#ifdef KEYSYM_RESOURCE
		360	keyboard->register_done ();
		361	#endif
		362
		363	#if MENUBAR_MAX
		364	menubar_read (rs[Rs_menu]);
		365	#endif
		366	#ifdef HAVE_SCROLLBARS
		367	if (options & Opt_scrollBar)
		368	scrollBar.setIdle (); /* set existence for size calculations */
		369	#endif
		370
		371	create_windows (argc, argv);
		372
		373	init_xlocale ();
		374
		375	scr_reset (); /* initialize screen */
		376
		377	#if 0
		378	XSynchronize (display->display, True);
		379	#endif
		380
		381	#ifdef HAVE_SCROLLBARS
		382	if (options & Opt_scrollBar)
		383	resize_scrollbar (); /* create and map scrollbar */
		384	#endif
		385	#if (MENUBAR_MAX)
		386	if (menubar_visible ())
		387	XMapWindow (display->display, menuBar.win);
		388	#endif
		389	#ifdef TRANSPARENT
		390	if (options & Opt_transparent)
		391	{
		392	XSelectInput (display->display, display->root, PropertyChangeMask);
		393	check_our_parents ();
		394	rootwin_ev.start (display, display->root);
		395	}
		396	#endif
		397
		398	XMapWindow (display->display, TermWin.vt);
		399	XMapWindow (display->display, TermWin.parent[0]);
		400
		401	set_colorfgbg ();
		402
		403	init_command (cmd_argv);
		404
		405	free (cmd_argv);
		406
		407	pty_ev.start (pty.pty, EVENT_READ);
		408
		409	check_ev.start ();
		410
		411	return true;
		412	}
		413
		414	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
		415
		416	void
		417	rxvt_init ()
		418	{
103	/*	419	/*
104	* Save and then give up any super-user privileges	420	* Save and then give up any super-user privileges
105	* If we need privileges in any area then we must specifically request it.	421	* If we need privileges in any area then we must specifically request it.
106	* We should only need to be root in these cases:	422	* We should only need to be root in these cases:
107	* 1. write utmp entries on some systems	423	* 1. write utmp entries on some systems
108	* 2. chown tty on some systems	424	* 2. chown tty on some systems
109	*/	425	*/
110	rxvt_privileges (this, SAVE);	426	rxvt_privileges (SAVE);
111	rxvt_privileges (this, IGNORE);	427	rxvt_privileges (IGNORE);
112		428
113	rxvt_init_secondary (this);	429	signal (SIGHUP, SIG_IGN);
		430	signal (SIGPIPE, SIG_IGN);
114		431
115	const char **cmd_argv = rxvt_init_resources (this, argc, argv);	432	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		433	/* signal (SIGURG, SIG_DFL); */
116		434
117	#if (MENUBAR_MAX)	435	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
118	rxvt_menubar_read (this, rs[Rs_menu]);	436	// TODO: handle this with exceptions and tolerate the memory loss
119	#endif
120	#ifdef HAVE_SCROLLBARS
121	if (Options & Opt_scrollBar)
122	scrollbar_setIdle (); /* set existence for size calculations */
123	#endif
124
125	rxvt_Create_Windows (this, argc, argv);
126
127	rxvt_init_xlocale (this);
128
129	rxvt_scr_reset (this); /* initialize screen */
130	#ifdef RXVT_GRAPHICS
131	rxvt_Gr_reset (this); /* reset graphics */
132	#endif
133
134	#if 0
135	#ifdef DEBUG_X
136	XSynchronize(Xdisplay, True);
137	XSetErrorHandler((XErrorHandler) abort);
138	#else
139	XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);	437	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
140	#endif
141	#endif
142
143	#ifdef HAVE_SCROLLBARS
144	if (Options & Opt_scrollBar)
145	rxvt_Resize_scrollBar (this); /* create and map scrollbar */
146	#endif
147	#if (MENUBAR_MAX)
148	if (menubar_visible(r))
149	XMapWindow (Xdisplay, menuBar.win);
150	#endif
151	#ifdef TRANSPARENT
152	if (Options & Opt_transparent)
153	{
154	XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
155	rxvt_check_our_parents (this);
156	}
157	#endif
158	XMapWindow (Xdisplay, TermWin.vt);
159	XMapWindow (Xdisplay, TermWin.parent[0]);
160
161	rxvt_init_env (this);
162	rxvt_init_command (this, cmd_argv);
163
164	x_ev.start (Xfd, EVENT_READ);
165	pty_ev.start (cmd_fd, EVENT_READ);
166
167	flush ();
168
169	return true;
170	}	438	}
171		439
172	/* ------------------------------------------------------------------------- *	440	/* ------------------------------------------------------------------------- *
173	* SIGNAL HANDLING & EXIT HANDLER *	441	* SIGNAL HANDLING & EXIT HANDLER *
174	* ------------------------------------------------------------------------- */	442	* ------------------------------------------------------------------------- */
175	/*	443	/*
176	* Catch a SIGCHLD signal and exit if the direct child has died	444	* Catch a SIGCHLD signal and exit if the direct child has died
177	*/	445	*/
178	/* ARGSUSED */
179	/* EXTPROTO */
180	RETSIGTYPE
181	rxvt_Child_signal(int sig __attribute__ ((unused)))
182	{
183	dR;
184	int pid, save_errno = errno;
185		446
186	do {	447	void
187	errno = 0;	448	rxvt_term::sig_chld (sig_watcher &w)
188	} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);	449	{
		450	// we are being called for every SIGCHLD, not just ours
		451	int pid;
189		452
		453	while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
		454	for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
190	if (pid == R->cmd_pid)	455	if (pid == (*t)->cmd_pid)
191	exit(EXIT_SUCCESS);	456	{
192		457	(*t)->destroy ();
193	errno = save_errno;	458	break;
194	signal(SIGCHLD, rxvt_Child_signal);	459	}
195	}
196
197	/*
198	* Catch a fatal signal and tidy up before quitting
199	*/
200	/* EXTPROTO */
201	RETSIGTYPE
202	rxvt_Exit_signal(int sig)
203	{
204	signal(sig, SIG_DFL);
205	#ifdef DEBUG_CMD
206	rxvt_print_error("signal %d", sig);
207	#endif
208	rxvt_clean_exit();
209	kill(getpid(), sig);
210	}
211
212	/* ARGSUSED */
213	/* INTPROTO */
214	int
215	rxvt_xerror_handler(const Display * display
216	__attribute__ ((unused)), const XErrorEvent * event)
217	{
218	dR;
219
220	if (R->allowedxerror == -1) {
221	R->allowedxerror = event->error_code;
222	return 0; /* ignored anyway */
223	}
224	rxvt_print_error("XError: Request: %d . %d, Error: %d",
225	event->request_code, event->minor_code,
226	event->error_code);
227	/* XXX: probably should call rxvt_clean_exit() bypassing X routines */
228	exit(EXIT_FAILURE);
229	/* NOTREACHED */
230	}	460	}
231		461
232	/*----------------------------------------------------------------------*/	462	/*----------------------------------------------------------------------*/
233	/*	463	/*
234	* Exit gracefully, clearing the utmp entry and restoring tty attributes	464	* Exit gracefully, clearing the utmp entry and restoring tty attributes
235	* TODO: if debugging, this should free up any known resources if we can	465	* TODO: if debugging, this should free up any known resources if we can
236	*/	466	*/
		467	void
		468	rxvt_destroy_all ()
		469	{
		470	// TODO: rxvtd should clean up all ressources
		471	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		472	(*t)->destroy ();
		473	}
		474
		475	/*
		476	* Catch a fatal signal and tidy up before quitting
		477	*/
		478	void
		479	rxvt_term::sig_term (sig_watcher &w)
		480	{
		481	#ifdef DEBUG_CMD
		482	rxvt_warn ("caught signal %d, exiting.\n", w.signum);
		483	#endif
		484	rxvt_destroy_all ();
		485	signal (w.signum, SIG_DFL);
		486	kill (getpid (), w.signum);
		487	}
		488
237	/* EXTPROTO */	489	/* INTPROTO */
238	void	490	int
239	rxvt_clean_exit(void)	491	rxvt_xerror_handler (Display *display, XErrorEvent *event)
240	{	492	{
241	dR;	493	if (GET_R->allowedxerror == -1)
242		494	GET_R->allowedxerror = event->error_code;
243	#ifdef DEBUG_SCREEN	495	else
244	rxvt_scr_release(aR);
245	#endif
246	#ifndef NO_SETOWNER_TTYDEV
247	rxvt_privileged_ttydev(aR_ RESTORE);
248	#endif
249	#ifdef UTMP_SUPPORT
250	rxvt_privileged_utmp(aR_ RESTORE);
251	#endif
252	#ifdef USE_XIM
253	if (R->Input_Context != NULL) {
254	XDestroyIC(R->Input_Context);
255	R->Input_Context = NULL;
256	}	496	{
257	#endif	497	old_xerror_handler (display, event);
		498	GET_R->destroy ();
		499	}
		500
		501	return 0;
258	}	502	}
259		503
260	/* ------------------------------------------------------------------------- *	504	/* ------------------------------------------------------------------------- *
261	* MEMORY ALLOCATION WRAPPERS *	505	* MEMORY ALLOCATION WRAPPERS *
262	* ------------------------------------------------------------------------- */	506	* ------------------------------------------------------------------------- */
		507	void *
		508	rxvt_malloc (size_t size)
		509	{
		510	void *p = malloc (size);
		511
		512	if (!p)
		513	rxvt_fatal ("memory allocation failure. aborting.\n");
		514
		515	return p;
		516	}
		517
263	/* EXTPROTO */	518	/* INTPROTO */
264	void *	519	void *
265	rxvt_malloc(size_t size)	520	rxvt_calloc (size_t number, size_t size)
266	{	521	{
267	void *p;	522	void *p = calloc (number, size);
268		523
269	p = malloc(size);
270	if (p)	524	if (!p)
		525	rxvt_fatal ("memory allocation failure. aborting.\n");
		526
271	return p;	527	return p;
272
273	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
274	rxvt_clean_exit();
275	exit(EXIT_FAILURE);
276	/* NOTREACHED */
277	}	528	}
278		529
279	/* EXTPROTO */	530	/* INTPROTO */
280	void *	531	void *
281	rxvt_calloc(size_t number, size_t size)
282	{
283	void *p;
284
285	p = calloc(number, size);
286	if (p)
287	return p;
288
289	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
290	rxvt_clean_exit();
291	exit(EXIT_FAILURE);
292	/* NOTREACHED */
293	}
294
295	/* EXTPROTO */
296	void *
297	rxvt_realloc(void *ptr, size_t size)	532	rxvt_realloc (void *ptr, size_t size)
298	{	533	{
299	void *p;
300
301	if (ptr)
302	p = realloc(ptr, size);	534	void *p = realloc (ptr, size);
303	else	535
304	p = malloc(size);
305	if (p)	536	if (!p)
		537	rxvt_fatal ("memory allocation failure. aborting.\n");
		538
306	return p;	539	return p;
307
308	fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
309	rxvt_clean_exit();
310	exit(EXIT_FAILURE);
311	/* NOTREACHED */
312	}	540	}
313		541
314	/* ------------------------------------------------------------------------- *	542	/* ------------------------------------------------------------------------- *
315	* PRIVILEGED OPERATIONS *	543	* PRIVILEGED OPERATIONS *
316	* ------------------------------------------------------------------------- */	544	* ------------------------------------------------------------------------- */
317	/* take care of suid/sgid super-user (root) privileges */	545	/* take care of suid/sgid super-user (root) privileges */
318	/* INTPROTO */
319	void	546	void
320	rxvt_privileges(pR_ int mode)	547	rxvt_privileges (rxvt_privaction action)
321	{	548	{
		549	#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
		550	static uid_t euid;
		551	static gid_t egid;
		552	#endif
		553
322	#if ! defined(__CYGWIN32__)	554	#if ! defined(__CYGWIN32__)
323	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	555	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
324	/* setreuid() is the poor man's setuid(), seteuid() */	556	/* setreuid () is the poor man's setuid (), seteuid () */
325	# define seteuid(a) setreuid(-1, (a))	557	# define seteuid(a) setreuid(-1, (a))
326	# define setegid(a) setregid(-1, (a))	558	# define setegid(a) setregid(-1, (a))
327	# define HAVE_SETEUID	559	# define HAVE_SETEUID
328	# endif	560	# endif
329	# ifdef HAVE_SETEUID	561	# ifdef HAVE_SETEUID
330	switch (mode) {	562	switch (action)
		563	{
331	case IGNORE:	564	case IGNORE:
332	/*	565	/*
333	* change effective uid/gid - not real uid/gid - so we can switch	566	* change effective uid/gid - not real uid/gid - so we can switch
334	* back to root later, as required	567	* back to root later, as required
335	*/	568	*/
336	seteuid(getuid());	569	seteuid (getuid ());
337	setegid(getgid());	570	setegid (getgid ());
338	break;	571	break;
339	case SAVE:	572	case SAVE:
340	R->euid = geteuid();	573	euid = geteuid ();
341	R->egid = getegid();	574	egid = getegid ();
342	break;	575	break;
343	case RESTORE:	576	case RESTORE:
344	seteuid(R->euid);	577	seteuid (euid);
345	setegid(R->egid);	578	setegid (egid);
346	break;	579	break;
347	}	580	}
348	# else	581	# else
349	switch (mode) {	582	switch (action)
		583	{
350	case IGNORE:	584	case IGNORE:
351	setuid(getuid());	585	setuid (getuid ());
352	setgid(getgid());	586	setgid (getgid ());
353	/* FALLTHROUGH */	587	/* FALLTHROUGH */
354	case SAVE:	588	case SAVE:
355	/* FALLTHROUGH */	589	/* FALLTHROUGH */
356	case RESTORE:	590	case RESTORE:
357	break;	591	break;
358	}	592	}
359	# endif	593	# endif
360	#endif	594	#endif
361	}	595	}
362		596
363	#ifdef UTMP_SUPPORT	597	#ifdef UTMP_SUPPORT
364	/* EXTPROTO */
365	void	598	void
366	rxvt_privileged_utmp(pR_ char action)	599	rxvt_term::privileged_utmp (rxvt_privaction action)
367	{	600	{
368	D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
369	action, R->next_utmp_action, getpid()));
370	if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
371	|| (R->Options & Opt_utmpInhibit)	601	if ((options & Opt_utmpInhibit)
372	|| R->ttydev == NULL || *R->ttydev == '\0')	602	|| !pty.name || !*pty.name)
373	return;	603	return;
374		604
375	rxvt_privileges(aR_ RESTORE);	605	rxvt_privileges (RESTORE);
		606
376	if (action == SAVE) {	607	if (action == SAVE)
377	R->next_utmp_action = RESTORE;	608	makeutent (pty.name, rs[Rs_display_name]);
378	rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);	609	else
379	} else { /* action == RESTORE */	610	cleanutent ();
380	R->next_utmp_action = IGNORE;	611
381	rxvt_cleanutent(aR);
382	}
383	rxvt_privileges(aR_ IGNORE);	612	rxvt_privileges (IGNORE);
384	}
385	#endif
386
387	#ifndef NO_SETOWNER_TTYDEV
388	/* EXTPROTO */
389	void
390	rxvt_privileged_ttydev(pR_ char action)
391	{
392	D_MAIN((stderr,
393	"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
394	action, R->next_tty_action, getpid()));
395	if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
396	|| R->ttydev == NULL || *R->ttydev == '\0')
397	return;
398
399	rxvt_privileges(aR_ RESTORE);
400
401	if (action == SAVE) {
402	R->next_tty_action = RESTORE;
403	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
404	/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
405	if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
406	R->next_tty_action = IGNORE;
407	else
408	# endif
409	{
410	chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
411	chmod(R->ttydev, R->ttymode);
412	# ifdef HAVE_REVOKE
413	revoke(R->ttydev);
414	# endif
415	}
416	} else { /* action == RESTORE */
417	R->next_tty_action = IGNORE;
418	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
419	chmod(R->ttydev, R->ttyfd_stat.st_mode);
420	chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
421	# else
422	chmod(R->ttydev,
423	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
424	chown(R->ttydev, 0, 0);
425	# endif
426	}
427
428	rxvt_privileges(aR_ IGNORE);
429
430	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
431	D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
432	action == RESTORE ? "Restoring" : (action ==
433	SAVE ? "Saving" :
434	"UNKNOWN ERROR for"), R->ttydev,
435	R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
436	R->ttyfd_stat.st_gid));
437	# endif
438	}	613	}
439	#endif	614	#endif
440		615
441	/*----------------------------------------------------------------------*/	616	/*----------------------------------------------------------------------*/
442	/*	617	/*
443	* window size/position calculcations for XSizeHint and other storage.	618	* window size/position calculcations for XSizeHint and other storage.
444	* if width/height are non-zero then override calculated width/height	619	* if width/height are non-zero then override calculated width/height
445	*/	620	*/
446	/* EXTPROTO */
447	void	621	void
448	rxvt_window_calc(pR_ unsigned int width, unsigned int height)	622	rxvt_term::window_calc (unsigned int width, unsigned int height)
449	{	623	{
450	short recalc_x, recalc_y;	624	short recalc_x, recalc_y;
451	int x, y, sb_w, mb_h, flags;	625	int x, y, sb_w, mb_h, flags;
452	unsigned int w, h;	626	unsigned int w, h;
453	unsigned int max_width, max_height;	627	unsigned int max_width, max_height;
454		628
455	D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	629	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
456	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	630	TermWin.ncol, TermWin.nrow, szHint.width,
457	R->szHint.height));	631	szHint.height));
458	R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	632	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
459	R->szHint.win_gravity = NorthWestGravity;	633	szHint.win_gravity = NorthWestGravity;
460	/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */	634	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
461		635
462	recalc_x = recalc_y = 0;	636	recalc_x = recalc_y = 0;
463	flags = 0;	637	flags = 0;
464	if (!R->parsed_geometry) {	638	if (!parsed_geometry)
		639	{
465	R->parsed_geometry = 1;	640	parsed_geometry = 1;
466	if (R->rs[Rs_geometry])	641	if (rs[Rs_geometry])
467	flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h);	642	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
468	if (flags & WidthValue) {	643	if (flags & WidthValue)
		644	{
469	R->TermWin.ncol = BOUND_POSITIVE_INT16(w);	645	TermWin.ncol = BOUND_POSITIVE_INT16 (w);
470	R->szHint.flags |= USSize;	646	szHint.flags |= USSize;
471	}	647	}
472	if (flags & HeightValue) {	648	if (flags & HeightValue)
		649	{
473	R->TermWin.nrow = BOUND_POSITIVE_INT16(h);	650	TermWin.nrow = BOUND_POSITIVE_INT16 (h);
474	R->szHint.flags |= USSize;	651	szHint.flags |= USSize;
475	}	652	}
476	if (flags & XValue) {	653	if (flags & XValue)
		654	{
477	R->szHint.x = x;	655	szHint.x = x;
478	R->szHint.flags |= USPosition;	656	szHint.flags |= USPosition;
479	if (flags & XNegative) {	657	if (flags & XNegative)
		658	{
480	recalc_x = 1;	659	recalc_x = 1;
481	R->szHint.win_gravity = NorthEastGravity;	660	szHint.win_gravity = NorthEastGravity;
482	}	661	}
483	}	662	}
484	if (flags & YValue) {	663	if (flags & YValue)
		664	{
485	R->szHint.y = y;	665	szHint.y = y;
486	R->szHint.flags |= USPosition;	666	szHint.flags |= USPosition;
487	if (flags & YNegative) {	667	if (flags & YNegative)
		668	{
488	recalc_y = 1;	669	recalc_y = 1;
489	if (R->szHint.win_gravity == NorthEastGravity)	670	if (szHint.win_gravity == NorthEastGravity)
490	R->szHint.win_gravity = SouthEastGravity;	671	szHint.win_gravity = SouthEastGravity;
491	else	672	else
492	R->szHint.win_gravity = SouthWestGravity;	673	szHint.win_gravity = SouthWestGravity;
493	}	674	}
494	}	675	}
495	}	676	}
		677
496	/* TODO: BOUNDS */	678	/* TODO: BOUNDS */
497	R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth;	679	TermWin.width = TermWin.ncol * TermWin.fwidth;
498	R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight;	680	TermWin.height = TermWin.nrow * TermWin.fheight;
499	max_width = MAX_COLS * R->TermWin.fwidth;	681	max_width = MAX_COLS * TermWin.fwidth;
500	max_height = MAX_ROWS * R->TermWin.fheight;	682	max_height = MAX_ROWS * TermWin.fheight;
501		683
502	R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth;	684	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;
503		685
504	sb_w = mb_h = 0;	686	sb_w = mb_h = 0;
505	R->window_vt_x = R->window_vt_y = 0;	687	window_vt_x = window_vt_y = TermWin.int_bwidth;
		688
506	if (scrollbar_visible(R)) {	689	if (scrollbar_visible ())
		690	{
507	sb_w = scrollbar_TotalWidth();	691	sb_w = scrollbar_TotalWidth ();
508	R->szHint.base_width += sb_w;	692	szHint.base_width += sb_w;
509	if (!(R->Options & Opt_scrollBar_right))	693	if (!(options & Opt_scrollBar_right))
510	R->window_vt_x = sb_w;	694	window_vt_x += sb_w;
511	}	695	}
		696
512	if (menubar_visible(R)) {	697	if (menubar_visible ())
		698	{
513	mb_h = menuBar_TotalHeight();	699	mb_h = menuBar_TotalHeight ();
514	R->szHint.base_height += mb_h;	700	szHint.base_height += mb_h;
515	R->window_vt_y = mb_h;	701	window_vt_y += mb_h;
516	}	702	}
		703
517	R->szHint.width_inc = R->TermWin.fwidth;	704	szHint.width_inc = TermWin.fwidth;
518	R->szHint.height_inc = R->TermWin.fheight;	705	szHint.height_inc = TermWin.fheight;
519	R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc;	706	szHint.min_width = szHint.base_width + szHint.width_inc;
520	R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc;	707	szHint.min_height = szHint.base_height + szHint.height_inc;
521		708
522	if (width && width - R->szHint.base_width < max_width) {	709	if (width && width - szHint.base_width < max_width)
		710	{
523	R->szHint.width = width;	711	szHint.width = width;
524	R->TermWin.width = width - R->szHint.base_width;	712	TermWin.width = width - szHint.base_width;
525	} else {	713	}
		714	else
		715	{
526	MIN_IT(R->TermWin.width, max_width);	716	MIN_IT (TermWin.width, max_width);
527	R->szHint.width = R->szHint.base_width + R->TermWin.width;	717	szHint.width = szHint.base_width + TermWin.width;
528	}	718	}
		719
529	if (height && height - R->szHint.base_height < max_height) {	720	if (height && height - szHint.base_height < max_height)
		721	{
530	R->szHint.height = height;	722	szHint.height = height;
531	R->TermWin.height = height - R->szHint.base_height;	723	TermWin.height = height - szHint.base_height;
532	} else {	724	}
		725	else
		726	{
533	MIN_IT(R->TermWin.height, max_height);	727	MIN_IT (TermWin.height, max_height);
534	R->szHint.height = R->szHint.base_height + R->TermWin.height;	728	szHint.height = szHint.base_height + TermWin.height;
535	}	729	}
		730
536	if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))	731	if (scrollbar_visible () && (options & Opt_scrollBar_right))
537	R->window_sb_x = R->szHint.width - sb_w;	732	window_sb_x = szHint.width - sb_w;
538		733
539	if (recalc_x)	734	if (recalc_x)
540	R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen)	735	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))
541	- R->szHint.width - 2 * R->TermWin.ext_bwidth);	736	- szHint.width - 2 * TermWin.ext_bwidth);
542	if (recalc_y)	737	if (recalc_y)
543	R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen)	738	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))
544	- R->szHint.height - 2 * R->TermWin.ext_bwidth);	739	- szHint.height - 2 * TermWin.ext_bwidth);
545		740
546	R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth;	741	TermWin.ncol = TermWin.width / TermWin.fwidth;
547	R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight;	742	TermWin.nrow = TermWin.height / TermWin.fheight;
548	D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	743	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
549	R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,	744	TermWin.ncol, TermWin.nrow, szHint.width,
550	R->szHint.height));	745	szHint.height));
551	return;	746	return;
552	}	747	}
553		748
554	/*----------------------------------------------------------------------*/	749	/*----------------------------------------------------------------------*/
555	/*	750	/*
556	* Tell the teletype handler what size the window is.	751	* Tell the teletype handler what size the window is.
557	* Called after a window size change.	752	* Called after a window size change.
558	*/	753	*/
559	/* EXTPROTO */
560	void	754	void
561	rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid)	755	rxvt_term::tt_winch ()
562	{	756	{
		757	if (pty.pty < 0)
		758	return;
		759
563	struct winsize ws;	760	struct winsize ws;
564		761
565	if (fd < 0)
566	return;
567	ws.ws_col = col;	762	ws.ws_col = TermWin.ncol;
568	ws.ws_row = row;	763	ws.ws_row = TermWin.nrow;
569	ws.ws_xpixel = ws.ws_ypixel = 0;	764	ws.ws_xpixel = TermWin.width;
570	#ifndef DEBUG_SIZE	765	ws.ws_ypixel = TermWin.height;
571	(void)ioctl(fd, TIOCSWINSZ, &ws);	766	(void)ioctl (pty.pty, TIOCSWINSZ, &ws);
572	#else	767
573	if (ioctl(fd, TIOCSWINSZ, &ws) < 0) {	768	#if 0
574	D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	769	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
575	}
576	# ifdef SIGWINCH
577	else if (pid) /* force through to the command */	770	if (cmd_pid) /* force through to the command */
578	kill(pid, SIGWINCH);	771	kill (cmd_pid, SIGWINCH);
579	# endif
580	#endif	772	#endif
581	}	773	}
582		774
583	/*----------------------------------------------------------------------*/	775	/*----------------------------------------------------------------------*/
584	/* rxvt_change_font() - Switch to a new font */	776	/* set_fonts () - load and set the various fonts
585	/*	777	/*
586	* init = 1 - initialize	778	* init = 1 - initialize
587	*	779	*
588	* fontname == FONT_UP - switch to bigger font	780	* fontname == FONT_UP - switch to bigger font
589	* fontname == FONT_DN - switch to smaller font	781	* fontname == FONT_DN - switch to smaller font
590	*/	782	*/
591	/* EXTPROTO */	783	bool
592	void	784	rxvt_term::set_fonts ()
593	rxvt_change_font(pR_ int init, const char *fontname)
594	{	785	{
595	}	786	rxvt_fontset *fs = new rxvt_fontset (this);
		787	rxvt_fontprop prop;
596		788
597	/* INTPROTO */	789	if (!fs
598	void	790	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
599	rxvt_font_up_down(pR_ int n, int direction)	791	|| !fs->realize_font (1))
		792	{
		793	delete fs;
		794	return false;
		795	}
		796
		797	#if ENABLE_STYLES
		798	for (int i = RS_styleCount; --i; )
		799	if (TermWin.fontset[i] != TermWin.fontset[0])
		800	delete TermWin.fontset[i];
		801	#endif
		802
		803	delete TermWin.fontset[0];
		804	TermWin.fontset[0] = fs;
		805
		806	prop = (*fs)[1]->properties ();
		807	prop.height += TermWin.lineSpace;
		808	fs->set_prop (prop);
		809
		810	TermWin.fwidth = prop.width;
		811	TermWin.fheight = prop.height;
		812	TermWin.fweight = prop.weight;
		813	TermWin.fslant = prop.slant;
		814	TermWin.fbase = (*fs)[1]->ascent;
		815
		816	for (int style = 1; style < 4; style++)
		817	{
		818	#if ENABLE_STYLES
		819	const char *res = rs[Rs_font + style];
		820
		821	if (res && !*res)
		822	TermWin.fontset[style] = TermWin.fontset[0];
		823	else
		824	{
		825	TermWin.fontset[style] = fs = new rxvt_fontset (this);
		826	rxvt_fontprop prop2 = prop;
		827
		828	if (res)
		829	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		830	else
		831	{
		832	res = TermWin.fontset[0]->fontdesc;
		833
		834	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		835	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		836	}
		837
		838	fs->populate (res);
		839	fs->set_prop (prop2);
		840	}
		841	#else
		842	TermWin.fontset[style] = TermWin.fontset[0];
		843	#endif
		844	}
		845
		846	if (TermWin.parent[0])
		847	{
		848	resize_all_windows (0, 0, 0);
		849	scr_remap_chars ();
		850	scr_touch (true);
		851	}
		852
		853	return true;
		854	}
		855
		856	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
600	{	857	{
		858	// TODO: SMART_WINDOW_TITLE
		859	XChangeProperty (display->display, TermWin.parent[0],
		860	prop, XA_STRING, 8, PropModeReplace,
		861	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		862	}
		863
		864	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		865	{
		866	// TODO: SMART_WINDOW_TITLE
		867	wchar_t *ws = rxvt_mbstowcs (str, len);
		868	char *s = rxvt_wcstoutf8 (ws);
		869
		870	XChangeProperty (display->display, TermWin.parent[0],
		871	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		872	(const unsigned char *)s, strlen (s));
		873
		874	free (s);
		875	free (ws);
601	}	876	}
602		877
603	/*----------------------------------------------------------------------*/	878	/*----------------------------------------------------------------------*/
604	/*----------------------------------------------------------------------*/	879	/*----------------------------------------------------------------------*/
605	/* xterm sequences - title, iconName, color (exptl) */	880	/* xterm sequences - title, iconName, color (exptl) */
606	/* EXTPROTO */
607	void	881	void
608	rxvt_set_title(pR_ const char *str)	882	rxvt_term::set_title (const char *str)
609	{	883	{
610	#ifndef SMART_WINDOW_TITLE	884	set_string_property (XA_WM_NAME, str);
611	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);	885	#if ENABLE_FRILLS
		886	set_utf8_property (xa[XA_NET_WM_NAME], str);
		887	#endif
		888	}
		889
		890	void
		891	rxvt_term::set_icon_name (const char *str)
		892	{
		893	set_string_property (XA_WM_ICON_NAME, str);
		894	#if ENABLE_FRILLS
		895	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
		896	#endif
		897	}
		898
		899	#ifdef XTERM_COLOR_CHANGE
		900	void
		901	rxvt_term::set_window_color (int idx, const char *color)
		902	{
		903	rxvt_color xcol;
		904	int i;
		905
		906	if (color == NULL || *color == '\0')
		907	return;
		908
		909	/* handle color aliases */
		910	if (isdigit (*color))
		911	{
		912	i = atoi (color);
		913	if (i >= 8 && i <= 15)
		914	{ /* bright colors */
		915	i -= 8;
		916	# ifndef NO_BRIGHTCOLOR
		917	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
		918	SET_PIXCOLOR (idx);
		919	goto Done;
		920	# endif
		921
		922	}
		923	if (i >= 0 && i <= 7)
		924	{ /* normal colors */
		925	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
		926	SET_PIXCOLOR (idx);
		927	goto Done;
		928	}
		929	}
		930
		931	if (!rXParseAllocColor (& xcol, color))
		932	return;
		933
		934	/* XStoreColor (display->display, display->cmap, XColor*); */
		935
		936	/*
		937	* FIXME: should free colors here, but no idea how to do it so instead,
		938	* so just keep gobbling up the colormap
		939	*/
		940	# if 0
		941	for (i = Color_Black; i <= Color_White; i++)
		942	if (pix_colors[idx] == pix_colors[i])
		943	break;
		944	if (i > Color_White)
		945	{
		946	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
		947	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
		948	DisplayPlanes (display->display, display->screen));
		949	}
		950	# endif
		951
		952	pix_colors_focused[idx] = xcol;
		953	SET_PIXCOLOR (idx);
		954
		955	/* XSetWindowAttributes attr; */
		956	/* Cursor cursor; */
		957	Done:
		958	#ifdef OFF_FOCUS_FADING
		959	if (rs[Rs_fade])
		960	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]));
		961	#endif
		962
		963	/*TODO: handle Color_BD, scrollbar background, etc. */
		964
		965	recolour_cursor ();
		966	scr_recolour ();
		967	}
		968
612	#else	969	#else
613	char *name;
614
615	if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
616	name = NULL;
617	if (name == NULL || STRCMP(name, str))
618	XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
619	if (name)
620	XFree(name);
621	#endif
622	}
623
624	/* EXTPROTO */
625	void
626	rxvt_set_iconName(pR_ const char *str)
627	{
628	#ifndef SMART_WINDOW_TITLE
629	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
630	#else
631	char *name;
632
633	if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
634	name = NULL;
635	if (name == NULL || STRCMP(name, str))
636	XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
637	if (name)
638	XFree(name);
639	#endif
640	}
641
642	#ifdef XTERM_COLOR_CHANGE
643	/* EXTPROTO */
644	void
645	rxvt_set_window_color(pR_ int idx, const char *color)
646	{
647	rxvt_color xcol;
648	int i;
649
650	if (color == NULL || *color == '\0')
651	return;
652
653	/* handle color aliases */
654	if (isdigit(*color)) {
655	i = atoi(color);
656	if (i >= 8 && i <= 15) { /* bright colors */
657	i -= 8;
658	# ifndef NO_BRIGHTCOLOR
659	R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
660	SET_PIXCOLOR(R, idx);
661	goto Done;
662	# endif
663	}
664	if (i >= 0 && i <= 7) { /* normal colors */
665	R->PixColors[idx] = R->PixColors[minCOLOR + i];
666	SET_PIXCOLOR(R, idx);
667	goto Done;
668	}
669	}
670	if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
671	return;
672	/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
673
674	/*
675	* FIXME: should free colors here, but no idea how to do it so instead,
676	* so just keep gobbling up the colormap
677	*/
678	# if 0
679	for (i = Color_Black; i <= Color_White; i++)
680	if (R->PixColors[idx] == R->PixColors[i])
681	break;
682	if (i > Color_White) {
683	/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
684	XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
685	DisplayPlanes(R->Xdisplay, Xscreen));
686	}
687	# endif
688
689	R->PixColors[idx] = xcol;
690	SET_PIXCOLOR(R, idx);
691
692	/* XSetWindowAttributes attr; */
693	/* Cursor cursor; */
694	Done:
695	if (idx == Color_bg && !(R->Options & Opt_transparent))
696	XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
697	R->PixColors[Color_bg]);
698
699	/* handle Color_BD, scrollbar background, etc. */
700
701	rxvt_set_colorfgbg(aR);
702	rxvt_recolour_cursor(aR);
703	/* the only reasonable way to enforce a clean update */
704	rxvt_scr_poweron(aR);
705	}
706
707	#else
708	# define rxvt_set_window_color(aR_ idx,color) ((void)0)	970	# define set_window_color (idx,color) ((void)0)
709	#endif /* XTERM_COLOR_CHANGE */	971	#endif /* XTERM_COLOR_CHANGE */
710		972
711	/* EXTPROTO */
712	void	973	void
713	rxvt_recolour_cursor(pR)	974	rxvt_term::recolour_cursor ()
714	{	975	{
715	rxvt_color xcol[2];	976	XColor xcol[2];
716		977
717	#if TODO	978	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
718	xcol[0] = R->PixColors[Color_pointer];	979	? pix_colors_focused[Color_pointer_fg]
719	xcol[1] = R->PixColors[Color_bg];	980	: pix_colors_focused[Color_fg];
720	XQueryColors(R->Xdisplay, XCMAP, xcol, 2);	981	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		982	? pix_colors_focused[Color_pointer_bg]
		983	: pix_colors_focused[Color_bg];
		984
		985	XQueryColors (display->display, display->cmap, xcol, 2);
721	XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1]));	986	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
722	#endif
723	}	987	}
724		988
725	/*----------------------------------------------------------------------*/	989	/*----------------------------------------------------------------------*/
726	/*	990	/*
727	* find if fg/bg matches any of the normal (low-intensity) colors	991	* find if fg/bg matches any of the normal (low-intensity) colors
728	*/	992	*/
729	/* INTPROTO */
730	void	993	void
731	rxvt_set_colorfgbg(pR)	994	rxvt_term::set_colorfgbg ()
732	{	995	{
733	unsigned int i;	996	unsigned int i;
734	const char *xpmb = "\0";	997	const char *xpmb = "\0";
735	char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1];	998	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
736		999
737	R->env_colorfgbg =
738	(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);	1000	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
739	STRCPY(fstr, "default");	1001	strcpy (fstr, "default");
740	STRCPY(bstr, "default");	1002	strcpy (bstr, "default");
741	for (i = Color_Black; i <= Color_White; i++)	1003	for (i = Color_Black; i <= Color_White; i++)
742	if (R->PixColors[Color_fg] == R->PixColors[i]) {	1004	if (pix_colors[Color_fg] == pix_colors[i])
		1005	{
743	sprintf(fstr, "%d", (i - Color_Black));	1006	sprintf (fstr, "%d", (i - Color_Black));
744	break;	1007	break;
745	}	1008	}
		1009
746	for (i = Color_Black; i <= Color_White; i++)	1010	for (i = Color_Black; i <= Color_White; i++)
747	if (R->PixColors[Color_bg] == R->PixColors[i]) {	1011	if (pix_colors[Color_bg] == pix_colors[i])
		1012	{
748	sprintf(bstr, "%d", (i - Color_Black));	1013	sprintf (bstr, "%d", (i - Color_Black));
749	#ifdef XPM_BACKGROUND	1014	#ifdef XPM_BACKGROUND
750	xpmb = "default;";	1015	xpmb = "default;";
751	#endif	1016	#endif
752	break;	1017	break;
753	}	1018	}
		1019
754	sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1020	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
755	putenv(R->env_colorfgbg);
756
757	#ifndef NO_BRIGHTCOLOR
758	R->colorfgbg = DEFAULT_RSTYLE;
759	for (i = minCOLOR; i <= maxCOLOR; i++) {
760	if (R->PixColors[Color_fg] == R->PixColors[i])
761	R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
762	if (R->PixColors[Color_bg] == R->PixColors[i])
763	R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
764	}
765	#endif
766	}	1021	}
767		1022
768	/*----------------------------------------------------------------------*/	1023	/*----------------------------------------------------------------------*/
769	/*
770	* Colour determination for low colour displays, routine from
771	* Hans de Goede <hans@highrise.nl>
772	*/
773		1024
774	/* EXTPROTO */
775	int	1025	int
776	rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)	1026	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
777	{	1027	{
778	screen_in_out->set(aR_ colour);
779
780	if (!screen_in_out->set(aR_ colour)) {	1028	if (!screen_in_out->set (display, colour))
781	rxvt_print_error("can't allocate colour: %s", colour);	1029	{
		1030	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
782	return false;	1031	return false;
783	}	1032	}
784		1033
785	return true;	1034	return true;
786	}	1035	}
787		1036
788	/* -------------------------------------------------------------------- *	1037	/* -------------------------------------------------------------------- *
789	* - WINDOW RESIZING - *	1038	* - WINDOW RESIZING - *
790	* -------------------------------------------------------------------- */	1039	* -------------------------------------------------------------------- */
791	/* EXTPROTO */
792	void	1040	void
793	rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height,	1041	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)
794	int ignoreparent)
795	{	1042	{
796	int fix_screen;	1043	int fix_screen;
797		1044
798	#ifdef SMART_RESIZE	1045	#ifdef SMART_RESIZE
799	int old_width = R->szHint.width, old_height = R->szHint.height;	1046	int old_width = szHint.width, old_height = szHint.height;
800	#endif	1047	#endif
801		1048
802	rxvt_window_calc(aR_ width, height);	1049	window_calc (width, height);
803	XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);	1050	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);
		1051
804	if (!ignoreparent) {	1052	if (!ignoreparent)
		1053	{
805	#ifdef SMART_RESIZE	1054	#ifdef SMART_RESIZE
806	/*	1055	/*
807	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1056	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
808	* reposition window on resize depending on placement on screen	1057	* reposition window on resize depending on placement on screen
809	*/	1058	*/
810	int x, y, x1, y1;	1059	int x, y, x1, y1;
811	int dx, dy;	1060	int dx, dy;
812	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1061	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
813	Window unused_cr;	1062	Window unused_cr;
814		1063
815	XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot,	1064	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,
816	0, 0, &x, &y, &unused_cr);	1065	0, 0, &x, &y, &unused_cr);
817	XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1,	1066	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,
818	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1067	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
819	/*	1068	/*
820	* if Xroot isn't the parent window, a WM will probably have offset	1069	* if display->root isn't the parent window, a WM will probably have offset
821	* our position for handles and decorations. Counter it	1070	* our position for handles and decorations. Counter it
822	*/	1071	*/
823	if (x1 != x || y1 != y) {	1072	if (x1 != x || y1 != y)
		1073	{
824	x -= x1;	1074	x -= x1;
825	y -= y1;	1075	y -= y1;
826	}	1076	}
827		1077
828	x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2;	1078	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;
829	y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2;	1079	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;
830	dx = old_width - R->szHint.width;	1080	dx = old_width - szHint.width;
831	dy = old_height - R->szHint.height;	1081	dy = old_height - szHint.height;
832		1082
833	/* Check position of the center of the window */	1083	/* Check position of the center of the window */
834	if (x < x1) /* left half */	1084	if (x < x1) /* left half */
835	dx = 0;	1085	dx = 0;
836	else if (x == x1) /* exact center */	1086	else if (x == x1) /* exact center */
837	dx /= 2;	1087	dx /= 2;
838	if (y < y1) /* top half */	1088	if (y < y1) /* top half */
839	dy = 0;	1089	dy = 0;
840	else if (y == y1) /* exact center */	1090	else if (y == y1) /* exact center */
841	dy /= 2;	1091	dy /= 2;
842		1092
843	XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy,	1093	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,
844	R->szHint.width, R->szHint.height);	1094	szHint.width, szHint.height);
845	#else	1095	#else
846	XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width,	1096	XResizeWindow (display->display, TermWin.parent[0], szHint.width, szHint.height);
847	R->szHint.height);
848	#endif	1097	#endif
849	}	1098	}
850		1099
851	fix_screen = (R->TermWin.ncol != R->prev_ncol	1100	fix_screen = TermWin.ncol != prev_ncol || TermWin.nrow != prev_nrow;
852	|| R->TermWin.nrow != R->prev_nrow);	1101
853	if (fix_screen || width != R->old_width || height != R->old_height) {	1102	if (fix_screen || width != old_width || height != old_height)
		1103	{
854	if (scrollbar_visible(R)) {	1104	if (scrollbar_visible ())
		1105	{
855	XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,	1106	XMoveResizeWindow (display->display, scrollBar.win,
		1107	window_sb_x, 0,
856	0, scrollbar_TotalWidth(), R->szHint.height);	1108	scrollbar_TotalWidth (), szHint.height);
857	rxvt_Resize_scrollBar(aR);	1109	resize_scrollbar ();
858	}	1110	}
		1111
859	if (menubar_visible(R))	1112	if (menubar_visible ())
860	XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,	1113	XMoveResizeWindow (display->display, menuBar.win,
		1114	window_vt_x, 0,
861	0, TermWin_TotalWidth(), menuBar_TotalHeight());	1115	TermWin_TotalWidth (), menuBar_TotalHeight ());
862	XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,	1116
863	R->window_vt_y, TermWin_TotalWidth(),	1117	XMoveResizeWindow (display->display, TermWin.vt,
		1118	window_vt_x, window_vt_y,
864	TermWin_TotalHeight());	1119	TermWin_TotalWidth (), TermWin_TotalHeight ());
865	#ifdef RXVT_GRAPHICS
866	if (R->old_height)
867	rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
868	R->old_height - R->szHint.base_height);
869	#endif
870	rxvt_scr_clear(aR);	1120	scr_clear ();
871	#ifdef XPM_BACKGROUND	1121	#ifdef XPM_BACKGROUND
872	rxvt_resize_pixmap(aR);	1122	resize_pixmap ();
873	#endif	1123	#endif
874	}	1124	}
875		1125
876	if (fix_screen || R->old_height == 0) {	1126	if (fix_screen || old_height == 0)
		1127	{
877	int curr_screen = -1;	1128	int curr_screen = -1;
878	uint16_t old_ncol = R->prev_ncol;	1129	int old_ncol = prev_ncol;
879		1130
880	/* scr_reset only works on the primary screen */	1131	/* scr_reset only works on the primary screen */
881	if (R->old_height) /* this is not the first time through */	1132	if (old_height) /* this is not the first time through */
		1133	{
		1134	unsigned int ncol = TermWin.ncol;
		1135	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
882	curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);	1136	curr_screen = scr_change_screen (PRIMARY);
883	rxvt_scr_reset(aR);	1137	TermWin.ncol = ncol;
884	if (curr_screen >= 0) { /* this is not the first time through */
885	rxvt_scr_change_screen(aR_ curr_screen);
886	rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
887	}	1138	}
888	}
889		1139
		1140	scr_reset ();
		1141
		1142	if (curr_screen >= 0) /* this is not the first time through */
		1143	{
		1144	scr_change_screen (curr_screen);
		1145	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
		1146	}
		1147	}
		1148
890	R->old_width = R->szHint.width;	1149	old_width = szHint.width;
891	R->old_height = R->szHint.height;	1150	old_height = szHint.height;
892		1151
893	#ifdef USE_XIM	1152	#ifdef USE_XIM
894	rxvt_IMSetStatusPosition(aR);	1153	IMSetStatusPosition ();
895	#endif	1154	#endif
896	}	1155	}
897		1156
898	/*	1157	/*
899	* Set the width/height of the vt window in characters. Units are pixels.	1158	* Set the width/height of the vt window in characters. Units are pixels.
900	* good for toggling 80/132 columns	1159	* good for toggling 80/132 columns
901	*/	1160	*/
902	/* EXTPROTO */
903	void	1161	void
904	rxvt_set_widthheight(pR_ unsigned int width, unsigned int height)	1162	rxvt_term::set_widthheight (unsigned int width, unsigned int height)
905	{	1163	{
906	XWindowAttributes wattr;	1164	XWindowAttributes wattr;
907		1165
908	if (width == 0 || height == 0) {	1166	if (width == 0 || height == 0)
		1167	{
909	XGetWindowAttributes(R->Xdisplay, Xroot, &wattr);	1168	XGetWindowAttributes (display->display, display->root, &wattr);
910	if (width == 0)	1169	if (width == 0)
911	width = wattr.width - R->szHint.base_width;	1170	width = wattr.width - szHint.base_width;
912	if (height == 0)	1171	if (height == 0)
913	height = wattr.height - R->szHint.base_height;	1172	height = wattr.height - szHint.base_height;
914	}	1173	}
		1174
915	if (width != R->TermWin.width || height != R->TermWin.height) {	1175	if (width != TermWin.width || height != TermWin.height)
		1176	{
916	width += R->szHint.base_width;	1177	width += szHint.base_width;
917	height += R->szHint.base_height;	1178	height += szHint.base_height;
918	rxvt_resize_all_windows(aR_ width, height, 0);	1179	resize_all_windows (width, height, 0);
919	}	1180	}
920	}	1181	}
921		1182
922	/* -------------------------------------------------------------------- *	1183	/* -------------------------------------------------------------------- *
923	* - X INPUT METHOD ROUTINES - *	1184	* - X INPUT METHOD ROUTINES - *
924	* -------------------------------------------------------------------- */	1185	* -------------------------------------------------------------------- */
925	#ifdef USE_XIM	1186	#ifdef USE_XIM
926	/* INTPROTO */
927	void
928	rxvt_setSize(pR_ XRectangle * size)
929	{
930	size->x = R->TermWin.int_bwidth;
931	size->y = R->TermWin.int_bwidth;
932	size->width = Width2Pixel(R->TermWin.ncol);
933	size->height = Height2Pixel(R->TermWin.nrow);
934	}
935		1187
936	/* INTPROTO */
937	void	1188	void
938	rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg)	1189	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
939	{	1190	{
940	*fg = R->PixColors[Color_fg];	1191	fg = pix_colors[Color_fg];
941	*bg = R->PixColors[Color_bg];	1192	bg = pix_colors[Color_bg];
		1193	}
		1194
		1195	void
		1196	rxvt_term::im_set_size (XRectangle &size)
		1197	{
		1198	// the int_bwidth terms make no sense to me
		1199	size.x = TermWin.int_bwidth;
		1200	size.y = TermWin.int_bwidth;
		1201	size.width = Width2Pixel (TermWin.ncol) + TermWin.int_bwidth;
		1202	size.height = Height2Pixel (TermWin.nrow) + TermWin.int_bwidth;
		1203	}
		1204
		1205	void
		1206	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1207	XRectangle &status_rect,
		1208	const XRectangle &needed_rect)
		1209	{
		1210	preedit_rect.x = needed_rect.width;
		1211	preedit_rect.y = 0;
		1212	preedit_rect.width = Width2Pixel (TermWin.ncol) - needed_rect.width + 1;
		1213	preedit_rect.height = TermWin.fheight;
		1214
		1215	status_rect.x = 0;
		1216	status_rect.y = 0;
		1217	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (TermWin.ncol) + 1;
		1218	status_rect.height = TermWin.fheight;
942	}	1219	}
943		1220
944	/* Checking whether input method is running. */	1221	/* Checking whether input method is running. */
945	/* INTPROTO */
946	Bool	1222	bool
947	rxvt_IMisRunning(pR)	1223	rxvt_term::IMisRunning ()
948	{	1224	{
949	char *p;	1225	char *p;
950	Atom atom;	1226	Atom atom;
951	Window win;	1227	Window win;
952	char server[IMBUFSIZ];	1228	char server[IMBUFSIZ];
953		1229
954	/* get current locale modifier */	1230	/* get current locale modifier */
955	if ((p = XSetLocaleModifiers(NULL)) != NULL) {	1231	if ((p = XSetLocaleModifiers (NULL)) != NULL)
		1232	{
956	STRCPY(server, "@server=");	1233	strcpy (server, "@server=");
957	STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1234	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1235
958	if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */	1236	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
959	*p = '\0';	1237	*p = '\0';
960		1238
961	atom = XInternAtom(R->Xdisplay, server, False);	1239	atom = XInternAtom (display->display, server, False);
962	win = XGetSelectionOwner(R->Xdisplay, atom);	1240	win = XGetSelectionOwner (display->display, atom);
		1241
963	if (win != None)	1242	if (win != None)
964	return True;	1243	return True;
965	}	1244	}
		1245
966	return False;	1246	return False;
967	}	1247	}
968		1248
969	/* EXTPROTO */
970	void	1249	void
971	rxvt_IMSendSpot(pR)	1250	rxvt_term::IMSendSpot ()
972	{	1251	{
973	XPoint spot;	1252	XPoint nspot;
974	XVaNestedList preedit_attr;	1253	XVaNestedList preedit_attr;
975		1254
976	if (R->Input_Context == NULL	1255	if (!Input_Context
		1256	|| !TermWin.focus
977	|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition)	1257	|| !(input_style & XIMPreeditPosition))
978	|| !(R->event_type == KeyPress
979	|| R->event_type == Expose
980	|| R->event_type == NoExpose
981	|| R->event_type == SelectionNotify
982	|| R->event_type == ButtonRelease || R->event_type == FocusIn)
983	|| !rxvt_IMisRunning(aR))
984	return;	1258	return;
985		1259
986	rxvt_setPosition(aR_ & spot);	1260	im_set_position (nspot);
987		1261
		1262	if (nspot.x == spot.x && nspot.y == spot.y)
		1263	return;
		1264
		1265	spot = nspot;
		1266
988	preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);	1267	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
989	XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1268	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
990	XFree(preedit_attr);	1269	XFree (preedit_attr);
991	}	1270	}
992		1271
993	/* EXTPROTO */
994	void	1272	void
995	rxvt_setTermFontSet(pR_ int idx)	1273	rxvt_term::im_destroy ()
996	{	1274	{
997	char *string;	1275	if (input_method)
998	long length;
999	int success = 0;
1000
1001	if (idx < 0 || idx >= MAX_NFONTS)
1002	return;
1003	}
1004
1005	/* INTPROTO */
1006	void
1007	rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1008	XRectangle * needed_rect)
1009	{
1010	int mbh, vtx = 0;
1011
1012	if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1013	vtx = scrollbar_TotalWidth();
1014	mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1015	mbh -= R->TermWin.lineSpace;
1016
1017	preedit_rect->x = needed_rect->width + vtx;
1018	preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1019
1020	preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1021	+ vtx;
1022	preedit_rect->height = Height2Pixel(1);
1023
1024	status_rect->x = vtx;
1025	status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1026
1027	status_rect->width = needed_rect->width ? needed_rect->width
1028	: Width2Pixel(R->TermWin.ncol + 1);
1029	status_rect->height = Height2Pixel(1);
1030	}
1031
1032	/* ARGSUSED */
1033	/* INTPROTO */
1034	void
1035	rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1036	__attribute__ ((unused)), XPointer call_data
1037	__attribute__ ((unused)))
1038	{
1039	dR;
1040
1041	R->Input_Context = NULL;
1042	/* To avoid Segmentation Fault in C locale: Solaris only? */
1043	if (STRCMP(R->locale, "C"))
1044	XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1045	rxvt_IMInstantiateCallback, NULL);
1046	}
1047
1048	/*
1049	* X manual pages and include files don't match on some systems:
1050	* some think this is an XIDProc and others an XIMProc so we can't
1051	* use the first argument - need to update this to be nice for
1052	* both types via some sort of configure detection
1053	*/
1054	/* ARGSUSED */
1055	/* EXTPROTO */
1056	void
1057	rxvt_IMInstantiateCallback(Display * unused
1058	__attribute__ ((unused)), XPointer client_data
1059	__attribute__ ((unused)), XPointer call_data
1060	__attribute__ ((unused)))
1061	{
1062	dR;
1063	int i, found, had_im;
1064	const char *p;
1065	char **s;
1066	char buf[IMBUFSIZ];
1067
1068	D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));
1069	if (R->Input_Context)
1070	return;
1071
1072	found = had_im = 0;
1073	p = R->rs[Rs_inputMethod];
1074	if (p && *p) {
1075	had_im = 1;
1076	s = rxvt_splitcommastring(p);
1077	for (i = 0; s[i]; i++) {
1078	if (*s[i]) {
1079	STRCPY(buf, "@im=");
1080	STRNCAT(buf, s[i], IMBUFSIZ - 5);
1081	if ((p = XSetLocaleModifiers(buf)) != NULL && *p
1082	&& (rxvt_IM_get_IC(aR) == True)) {
1083	found = 1;
1084	break;
1085	}
1086	}
1087	}
1088	for (i = 0; s[i]; i++)
1089	free(s[i]);
1090	free(s);
1091	}	1276	{
1092	if (found)	1277	if (Input_Context && input_method->xim)
1093	return;	1278	XDestroyIC (Input_Context);
1094		1279
1095	/* try with XMODIFIERS env. var. */	1280	display->put_xim (input_method);
1096	if ((p = XSetLocaleModifiers("")) != NULL && *p) {	1281	input_method = 0;
1097	rxvt_IM_get_IC(aR);
1098	return;
1099	}	1282	}
1100		1283
1101	/* try with no modifiers base IF the user didn't specify an IM */	1284	Input_Context = 0;
1102	if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p
1103	&& rxvt_IM_get_IC(aR) == True)
1104	return;
1105	}	1285	}
1106		1286
1107	/*	1287	/*
1108	* Try to open a XIM with the current modifiers, then see if we can	1288	* Try to open a XIM with the current modifiers, then see if we can
1109	* open a suitable preedit type	1289	* open a suitable preedit type
1110	*/	1290	*/
1111	/* INTPROTO */
1112	Bool	1291	bool
1113	rxvt_IM_get_IC(pR)	1292	rxvt_term::IM_get_IC (const char *modifiers)
1114	{	1293	{
1115	int i, j, found;	1294	int i, j, found;
1116	XIM xim;	1295	XIM xim;
1117	XPoint spot;	1296	XPoint spot;
1118	XRectangle rect, status_rect, needed_rect;	1297	XRectangle rect, status_rect, needed_rect;
1119	unsigned long fg, bg;	1298	unsigned long fg, bg;
1120	const char *p;	1299	const char *p;
1121	char **s;	1300	char **s;
1122	XIMStyles *xim_styles;	1301	XIMStyles *xim_styles;
1123	XVaNestedList preedit_attr, status_attr;
1124	XIMCallback ximcallback;
1125		1302
		1303	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
		1304	return false;
		1305
1126	D_MAIN((stderr, "rxvt_IM_get_IC()"));	1306	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1127	xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);	1307	input_method = display->get_xim (locale, modifiers);
1128	if (xim == NULL)	1308	if (input_method == NULL)
1129	return False;	1309	return false;
1130		1310
		1311	xim = input_method->xim;
		1312	spot.x = spot.y = -1;
		1313
1131	xim_styles = NULL;	1314	xim_styles = NULL;
1132	if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)	1315	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1133	|| !xim_styles || !xim_styles->count_styles) {	1316	|| !xim_styles || !xim_styles->count_styles)
1134	XCloseIM(xim);	1317	{
		1318	im_destroy ();
1135	return False;	1319	return false;
		1320	}
		1321
		1322	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1323
		1324	for (int pi = 0; pi < 2; pi++)
1136	}	1325	{
		1326	p = pet[pi];
1137		1327
1138	p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]	1328	if (!p)
1139	: "OverTheSpot,OffTheSpot,Root";	1329	continue;
		1330
1140	s = rxvt_splitcommastring(p);	1331	s = rxvt_splitcommastring (p);
		1332
1141	for (i = found = 0; !found && s[i]; i++) {	1333	for (i = found = 0; !found && s[i]; i++)
		1334	{
1142	if (!STRCMP(s[i], "OverTheSpot"))	1335	if (!strcmp (s[i], "OverTheSpot"))
1143	R->input_style = (XIMPreeditPosition | XIMStatusNothing);	1336	input_style = (XIMPreeditPosition | XIMStatusNothing);
1144	else if (!STRCMP(s[i], "OffTheSpot"))	1337	else if (!strcmp (s[i], "OffTheSpot"))
1145	R->input_style = (XIMPreeditArea | XIMStatusArea);	1338	input_style = (XIMPreeditArea | XIMStatusArea);
1146	else if (!STRCMP(s[i], "Root"))	1339	else if (!strcmp (s[i], "Root"))
1147	R->input_style = (XIMPreeditNothing | XIMStatusNothing);	1340	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1341	else if (!strcmp (s[i], "None"))
		1342	input_style = (XIMPreeditNone | XIMStatusNone);
1148		1343
1149	for (j = 0; j < xim_styles->count_styles; j++)	1344	for (j = 0; j < xim_styles->count_styles; j++)
1150	if (R->input_style == xim_styles->supported_styles[j]) {	1345	if (input_style == xim_styles->supported_styles[j])
		1346	{
		1347	rxvt_freecommastring (s);
		1348
1151	found = 1;	1349	found = 1;
		1350	goto foundpet;
		1351	}
		1352
		1353	}
		1354
		1355	rxvt_freecommastring (s);
		1356	}
		1357
		1358	foundpet:
		1359
		1360	XFree (xim_styles);
		1361
		1362	if (!found)
		1363	{
		1364	im_destroy ();
		1365	return false;
		1366	}
		1367
		1368	XFontSet fs = 0;
		1369	XVaNestedList preedit_attr = 0, status_attr = 0;
		1370
		1371	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1372	{
		1373	// fake us a font-set, please
		1374	char **missing_charset_list;
		1375	int missing_charset_count;
		1376	char *def_string;
		1377	char pat[512];
		1378
		1379	sprintf (pat,
		1380	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1381	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1382	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1383	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1384	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1385	"*",
		1386	TermWin.fheight,
		1387	TermWin.fheight + 1, TermWin.fheight - 1,
		1388	TermWin.fheight - 2, TermWin.fheight + 2);
		1389
		1390	fs = XCreateFontSet (display->display, pat,
		1391	&missing_charset_list, &missing_charset_count, &def_string);
		1392
		1393	if (missing_charset_list)
		1394	XFreeStringList (missing_charset_list);
		1395
		1396	if (!fs)
		1397	{
		1398	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1399	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1400	}
		1401	}
		1402
		1403	if (input_style & XIMPreeditPosition)
		1404	{
		1405	im_set_size (rect);
		1406	im_set_position (spot);
		1407	im_set_color (fg, bg);
		1408
		1409	preedit_attr = XVaCreateNestedList (0,
		1410	XNForeground, fg,
		1411	XNBackground, bg,
		1412	XNArea, &rect,
		1413	XNSpotLocation, &spot,
		1414	XNFontSet, fs,
		1415	NULL);
		1416	}
		1417	else if (input_style & XIMPreeditArea)
		1418	{
		1419	im_set_color (fg, bg);
		1420
		1421	/*
		1422	* The necessary width of preedit area is unknown
		1423	* until create input context.
		1424	*/
		1425	needed_rect.width = 0;
		1426	im_set_preedit_area (rect, status_rect, needed_rect);
		1427
		1428	preedit_attr = XVaCreateNestedList (0,
		1429	XNForeground, fg,
		1430	XNBackground, bg,
		1431	XNArea, &rect,
		1432	XNFontSet, fs,
		1433	NULL);
		1434	status_attr = XVaCreateNestedList (0,
		1435	XNForeground, fg,
		1436	XNBackground, bg,
		1437	XNArea, &status_rect,
		1438	XNFontSet, fs,
		1439	NULL);
		1440	}
		1441
		1442	Input_Context = XCreateIC (xim,
		1443	XNInputStyle, input_style,
		1444	XNClientWindow, TermWin.vt,
		1445	XNFocusWindow, TermWin.parent[0],
		1446	preedit_attr ? XNPreeditAttributes : NULL,
		1447	preedit_attr,
		1448	status_attr ? XNStatusAttributes : NULL,
		1449	status_attr, NULL);
		1450
		1451	if (preedit_attr) XFree (preedit_attr);
		1452	if (status_attr) XFree (status_attr);
		1453	if (fs) XFreeFontSet (display->display, fs);
		1454
		1455	if (Input_Context == NULL)
		1456	{
		1457	rxvt_warn ("failed to create input context, continuing without XIM.\n");
		1458	im_destroy ();
		1459	return false;
		1460	}
		1461
		1462	if (input_style & XIMPreeditArea)
		1463	IMSetStatusPosition ();
		1464
		1465	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
		1466	return true;
		1467	}
		1468
		1469	void
		1470	rxvt_term::im_cb ()
		1471	{
		1472	int i, found, had_im;
		1473	const char *p;
		1474	char **s;
		1475	char buf[IMBUFSIZ];
		1476
		1477	im_destroy ();
		1478
		1479	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
		1480	if (Input_Context)
		1481	return;
		1482
		1483	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
		1484	if (rs[Rs_imLocale])
		1485	SET_LOCALE (rs[Rs_imLocale]);
		1486	#endif
		1487
		1488	p = rs[Rs_inputMethod];
		1489	if (p && *p)
		1490	{
		1491	bool found = false;
		1492
		1493	s = rxvt_splitcommastring (p);
		1494
		1495	for (i = 0; s[i]; i++)
		1496	{
		1497	if (*s[i])
		1498	{
		1499	strcpy (buf, "@im=");
		1500	strncat (buf, s[i], IMBUFSIZ - 5);
		1501	if (IM_get_IC (buf))
		1502	{
		1503	found = true;
1152	break;	1504	break;
		1505	}
1153	}	1506	}
1154	}	1507	}
1155	for (i = 0; s[i]; i++)
1156	free(s[i]);
1157	free(s);
1158	XFree(xim_styles);
1159		1508
		1509	rxvt_freecommastring (s);
		1510
1160	if (!found) {	1511	if (found)
1161	XCloseIM(xim);	1512	goto done;
1162	return False;
1163	}	1513	}
1164		1514
1165	ximcallback.callback = rxvt_IMDestroyCallback;	1515	/* try with XMODIFIERS env. var. */
		1516	if (IM_get_IC (""))
		1517	goto done;
1166		1518
1167	/* XXX: not sure why we need this (as well as IC one below) */	1519	/* try with no modifiers base IF the user didn't specify an IM */
1168	XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);	1520	if (IM_get_IC ("@im=none"))
		1521	goto done;
1169		1522
1170	preedit_attr = status_attr = NULL;	1523	done:
1171		1524	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1172	if (R->input_style & XIMPreeditPosition) {	1525	if (rs[Rs_imLocale])
1173	rxvt_setSize(aR_ & rect);	1526	SET_LOCALE (locale);
1174	rxvt_setPosition(aR_ & spot);	1527	#endif
1175	rxvt_setColor(aR_ & fg, &bg);
1176
1177	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1178	XNSpotLocation, &spot,
1179	XNForeground, fg, XNBackground, bg,
1180	//XNFontSet, R->TermWin.fontset,
1181	NULL);
1182	} else if (R->input_style & XIMPreeditArea) {
1183	rxvt_setColor(aR_ & fg, &bg);
1184
1185	/*
1186	* The necessary width of preedit area is unknown
1187	* until create input context.
1188	*/
1189	needed_rect.width = 0;
1190
1191	rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1192
1193	preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1194	XNForeground, fg, XNBackground, bg,
1195	//XNFontSet, R->TermWin.fontset,
1196	NULL);
1197	status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1198	XNForeground, fg, XNBackground, bg,
1199	//XNFontSet, R->TermWin.fontset,
1200	NULL);
1201	}
1202	R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1203	XNClientWindow, R->TermWin.parent[0],
1204	XNFocusWindow, R->TermWin.parent[0],
1205	XNDestroyCallback, &ximcallback,
1206	preedit_attr ? XNPreeditAttributes : NULL,
1207	preedit_attr,
1208	status_attr ? XNStatusAttributes : NULL,
1209	status_attr, NULL);
1210	if (preedit_attr)
1211	XFree(preedit_attr);
1212	if (status_attr)
1213	XFree(status_attr);
1214	if (R->Input_Context == NULL) {
1215	rxvt_print_error("failed to create input context");
1216	XCloseIM(xim);
1217	return False;
1218	}
1219	if (R->input_style & XIMPreeditArea)
1220	rxvt_IMSetStatusPosition(aR);
1221	D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1222	return True;
1223	}	1528	}
1224		1529
1225	/* EXTPROTO */
1226	void	1530	void
1227	rxvt_IMSetStatusPosition(pR)	1531	rxvt_term::IMSetStatusPosition ()
1228	{	1532	{
1229	XRectangle preedit_rect, status_rect, *needed_rect;	1533	XRectangle preedit_rect, status_rect, *needed_rect;
1230	XVaNestedList preedit_attr, status_attr;	1534	XVaNestedList preedit_attr, status_attr;
1231		1535
1232	if (R->Input_Context == NULL	1536	if (!Input_Context
		1537	|| !TermWin.focus
1233	|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea)	1538	|| !(input_style & XIMPreeditArea)
1234	|| !rxvt_IMisRunning(aR))	1539	|| !IMisRunning ())
1235	return;	1540	return;
1236		1541
1237	/* Getting the necessary width of preedit area */	1542	/* Getting the necessary width of preedit area */
1238	status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);	1543	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1239	XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);	1544	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1240	XFree(status_attr);	1545	XFree (status_attr);
1241		1546
1242	rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);	1547	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1548	XFree (needed_rect);
1243		1549
1244	preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);	1550	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1245	status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);	1551	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1246		1552
1247	XSetICValues(R->Input_Context,	1553	XSetICValues (Input_Context,
1248	XNPreeditAttributes, preedit_attr,	1554	XNPreeditAttributes, preedit_attr,
1249	XNStatusAttributes, status_attr, NULL);	1555	XNStatusAttributes, status_attr, NULL);
1250		1556
1251	XFree(preedit_attr);	1557	XFree (preedit_attr);
1252	XFree(status_attr);	1558	XFree (status_attr);
1253	}	1559	}
1254	#endif /* USE_XIM */	1560	#endif /* USE_XIM */
1255		1561
1256	/*----------------------------------------------------------------------*/	1562	/*----------------------------------------------------------------------*/
1257	rxvt_t rxvt_current_term;	1563	rxvt_t rxvt_current_term;

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