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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.42 by pcg, Sun Feb 22 10:38:11 2004 UTC vs.
Revision 1.191 by root, Fri Jan 20 10:27:08 2006 UTC

1	/*--------------------------------*-C-*---------------------------------*;	1	/*--------------------------------*-C-*---------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>	6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
7	* - original version	7	* - original version
…		…
11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
12	* - extensive modifications	12	* - extensive modifications
13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
15	* - extensive modifications	15	* - extensive modifications
16	* Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com>	16	* Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
17	*	17	*
18	* This program is free software; you can redistribute it and/or modify	18	* This program is free software; you can redistribute it and/or modify
19	* it under the terms of the GNU General Public License as published by	19	* it under the terms of the GNU General Public License as published by
20	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
…		…
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
32		32
33	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	35	#include "keyboard.h"
		36	#include "rxvtperl.h"
36		37
		38	#include <limits>
		39
37	#include <signal.h>	40	#include <csignal>
		41	#include <cstring>
38		42
39	#ifdef TTY_GID_SUPPORT	43	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>	44	# include <grp.h>
41	#endif	45	#endif
42		46
43	#ifdef HAVE_TERMIOS_H	47	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	48	# include <termios.h>
45	#endif	49	#endif
46		50
47	#include <cstring>	51	vector<rxvt_term *> rxvt_term::termlist;
48		52
		53	// used to tell global functions which terminal instance is "active"
		54	rxvt_t rxvt_current_term;
		55
49	static char curlocale[128];	56	static char curlocale[128], savelocale[128];
50		57
51	void	58	bool
52	rxvt_set_locale (const char *locale)	59	rxvt_set_locale (const char *locale) NOTHROW
53	{	60	{
54	if (locale && STRNCMP (locale, curlocale, 128))	61	if (!locale || !strncmp (locale, curlocale, 128))
55	{	62	return false;
		63
56	STRNCPY (curlocale, locale, 128);	64	strncpy (curlocale, locale, 128);
57	setlocale (LC_CTYPE, curlocale);	65	setlocale (LC_CTYPE, curlocale);
58	}	66	return true;
59	}	67	}
60		68
61	void *	69	void
62	rxvt_term::operator new (size_t s)	70	rxvt_push_locale (const char *locale) NOTHROW
63	{	71	{
64	void *p = malloc (s);	72	strcpy (savelocale, curlocale);
		73	rxvt_set_locale (locale);
		74	}
65		75
66	MEMSET (p, 0, s);	76	void
		77	rxvt_pop_locale () NOTHROW
		78	{
		79	rxvt_set_locale (savelocale);
		80	}
		81
		82	#if ENABLE_COMBINING
		83	class rxvt_composite_vec rxvt_composite;
		84
		85	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
		86	{
		87	compose_char *cc;
		88
		89	// break compose chains, as stupid readline really likes to duplicate
		90	// composing characters for some reason near the end of a line.
		91	cc = (*this)[c1];
		92	while (cc)
		93	{
		94	if (cc->c2 == c2) return c1;
		95	cc = (*this)[cc->c1];
		96	}
		97
		98	// check to see wether this combination already exists otherwise
		99	for (cc = v.end (); cc-- > v.begin (); )
		100	{
		101	if (cc->c1 == c1 && cc->c2 == c2)
		102	return COMPOSE_LO + (cc - v.begin ());
		103	}
		104
		105	// allocate a new combination
		106	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
		107	{
		108	static int seen;
		109
		110	if (!seen++)
		111	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
		112
		113	return REPLACEMENT_CHAR;
		114	}
		115
		116	v.push_back (compose_char (c1, c2));
		117
		118	return v.size () - 1 + COMPOSE_LO;
		119	}
		120
		121	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
		122	{
		123	compose_char *cc = (*this)[c];
		124
		125	if (!cc)
		126	{
		127	if (r) *r = c;
		128	return 1;
		129	}
		130
		131	int len = expand (cc->c1, r);
		132
		133	if (r) r += len;
		134
		135	if (cc->c2 != NOCHAR)
		136	{
		137	len++;
		138	if (r) *r++ = cc->c2;
		139	}
		140
67	return p;	141	return len;
68	}
69		142
70	void
71	rxvt_term::operator delete (void *p, size_t s)
72	{
73	free (p);
74	}	143	}
		144	#endif
75		145
76	rxvt_term::rxvt_term ()	146	rxvt_term::rxvt_term ()
77	:	147	:
		148	#if TRANSPARENT
78	rootwin_ev (this, &rxvt_term::rootwin_cb),	149	rootwin_ev (this, &rxvt_term::rootwin_cb),
		150	#endif
		151	#ifdef HAVE_SCROLLBARS
		152	scrollbar_ev (this, &rxvt_term::x_cb),
		153	#endif
		154	#ifdef CURSOR_BLINK
		155	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
		156	#endif
		157	#ifdef TEXT_BLINK
		158	text_blink_ev (this, &rxvt_term::text_blink_cb),
		159	#endif
		160	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		161	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
		162	#endif
		163	#ifdef SELECTION_SCROLLING
		164	sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
		165	#endif
		166	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		167	slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
		168	#endif
		169	#ifdef POINTER_BLANK
		170	pointer_ev (this, &rxvt_term::pointer_cb),
		171	#endif
		172	#ifdef USE_XIM
		173	im_ev (this, &rxvt_term::im_cb),
		174	#endif
79	termwin_ev (this, &rxvt_term::x_cb),	175	termwin_ev (this, &rxvt_term::x_cb),
80	vt_ev (this, &rxvt_term::x_cb),	176	vt_ev (this, &rxvt_term::x_cb),
81	#ifdef HAVE_SCROLLBARS
82	scrollbar_ev (this, &rxvt_term::x_cb),
83	#endif
84	#ifdef MENUBAR
85	menubar_ev (this, &rxvt_term::x_cb), fixme
86	#endif
87	#ifdef CURSOR_BLINK
88	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
89	#endif
90	#ifdef TEXT_BLINK
91	text_blink_ev (this, &rxvt_term::text_blink_cb),
92	#endif
93	#ifdef POINTER_BLANK
94	pointer_ev (this, &rxvt_term::pointer_cb),
95	#endif
96	#ifdef USE_XIM
97	im_ev (this, &rxvt_term::im_cb),	177	child_ev (this, &rxvt_term::child_cb),
98	#endif
99	check_ev (this, &rxvt_term::check_cb),	178	check_ev (this, &rxvt_term::check_cb),
		179	flush_ev (this, &rxvt_term::flush_cb),
100	destroy_ev (this, &rxvt_term::destroy_cb),	180	destroy_ev (this, &rxvt_term::destroy_cb),
101	pty_ev (this, &rxvt_term::pty_cb),	181	pty_ev (this, &rxvt_term::pty_cb),
102	incr_ev (this, &rxvt_term::incr_cb)	182	incr_ev (this, &rxvt_term::incr_cb)
103	{	183	{
104	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	184	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		185
		186	termlist.push_back (this);
		187
		188	#ifdef KEYSYM_RESOURCE
		189	keyboard = new keyboard_manager;
		190	#endif
		191	}
		192
		193	// clean up the most important stuff, do *not* call x or free mem etc.
		194	// for use before an emergency exit
		195	void rxvt_term::emergency_cleanup ()
		196	{
		197	if (cmd_pid)
		198	kill (-cmd_pid, SIGHUP);
		199
		200	delete pty; pty = 0;
105	}	201	}
106		202
107	rxvt_term::~rxvt_term ()	203	rxvt_term::~rxvt_term ()
108	{	204	{
109	if (cmd_fd >= 0)	205	termlist.erase (find (termlist.begin (), termlist.end(), this));
110	close (cmd_fd);
111		206
112	#ifndef NO_SETOWNER_TTYDEV	207	emergency_cleanup ();
113	privileged_ttydev (RESTORE);
114	#endif
115	#ifdef UTMP_SUPPORT
116	privileged_utmp (RESTORE);
117	#endif
118		208
		209	#if ENABLE_STYLES
		210	for (int i = RS_styleCount; --i; )
		211	if (fontset[i] != fontset[0])
		212	delete fontset[i];
		213	#endif
119	delete TermWin.fontset;	214	delete fontset[0];
120		215
121	if (display)	216	if (display)
		217	{
		218	dDisp;
		219
		220	selection_clear ();
		221
		222	#ifdef USE_XIM
		223	im_destroy ();
		224	#endif
		225	#ifdef XTERM_SCROLLBAR
		226	if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
		227	if (ShadowGC) XFreeGC (disp, ShadowGC);
		228	#endif
		229	#ifdef PLAIN_SCROLLBAR
		230	if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
		231	#endif
		232	#ifdef NEXT_SCROLLBAR
		233	if (blackGC) XFreeGC (disp, blackGC);
		234	if (whiteGC) XFreeGC (disp, whiteGC);
		235	if (grayGC) XFreeGC (disp, grayGC);
		236	if (darkGC) XFreeGC (disp, darkGC);
		237	if (stippleGC) XFreeGC (disp, stippleGC);
		238	if (dimple) XFreePixmap (disp, dimple);
		239	if (upArrow) XFreePixmap (disp, upArrow);
		240	if (downArrow) XFreePixmap (disp, downArrow);
		241	if (upArrowHi) XFreePixmap (disp, upArrowHi);
		242	if (downArrowHi) XFreePixmap (disp, downArrowHi);
		243	#endif
		244	#ifdef RXVT_SCROLLBAR
		245	if (topShadowGC) XFreeGC (disp, topShadowGC);
		246	if (botShadowGC) XFreeGC (disp, botShadowGC);
		247	if (scrollbarGC) XFreeGC (disp, scrollbarGC);
		248	#endif
		249	if (gc) XFreeGC (disp, gc);
		250
		251	delete drawable;
		252	// destroy all windows
122	if (TermWin.parent[0])	253	if (parent[0])
123	XDestroyWindow (display->display, TermWin.parent[0]);	254	XDestroyWindow (disp, parent[0]);
		255	}
124		256
125	// TODO: free pixcolours, colours should become part of rxvt_display	257	// TODO: free pixcolours, colours should become part of rxvt_display
126		258	delete pix_colors_focused;
127	delete PixColors;	259	#if OFF_FOCUS_FADING
		260	delete pix_colors_unfocused;
		261	#endif
128		262
129	displays.put (display);	263	displays.put (display);
130		264
131	scr_release ();	265	scr_release ();
132		266
		267	/* clear all resources */
		268	for (int i = 0; i < allocated.size (); i++)
		269	free (allocated [i]);
		270
		271	free (selection.text);
		272	// TODO: manage env vars in child only(!)
133	free (env_windowid);	273	free (env_windowid);
134	free (env_display);	274	free (env_display);
135	free (env_term);	275	free (env_term);
136	free (env_colorfgbg);	276	free (env_colorfgbg);
137	free (locale);	277	free (locale);
138	free (codeset);	278	free (v_buffer);
		279	free (incr_buf);
139		280
140	delete envv;	281	delete envv;
141	delete argv;	282	delete argv;
		283
		284	#ifdef KEYSYM_RESOURCE
		285	delete keyboard;
		286	#endif
		287	}
		288
		289	// child has exited, usually destroys
		290	void
		291	rxvt_term::child_cb (child_watcher &w, int status)
		292	{
		293	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		294
		295	cmd_pid = 0;
		296
		297	if (!OPTION (Opt_hold))
		298	destroy ();
142	}	299	}
143		300
144	void	301	void
145	rxvt_term::destroy ()	302	rxvt_term::destroy ()
146	{	303	{
		304	if (destroy_ev.active)
		305	return;
		306
		307	if (HOOK_INVOKE ((this, HOOK_DESTROY, DT_END)))
		308	return;
		309
		310	#if ENABLE_OVERLAY
		311	scr_overlay_off ();
		312	#endif
		313
147	if (display)	314	if (display)
148	{	315	{
		316	#if USE_XIM
		317	im_ev.stop (display);
		318	#endif
		319	#if HAVE_SCROLLBARS
		320	scrollbar_ev.stop (display);
		321	#endif
		322	#if TRANSPARENT
149	rootwin_ev.stop (display);	323	rootwin_ev.stop (display);
		324	#endif
		325	incr_ev.stop ();
150	termwin_ev.stop (display);	326	termwin_ev.stop (display);
151	vt_ev.stop (display);	327	vt_ev.stop (display);
152	#ifdef USE_XIM
153	im_destroy ();
154	im_ev.stop (display);
155	#endif
156	#ifdef HAVE_SCROLLBARS
157	scrollbar_ev.stop (display);
158	#endif
159	#ifdef MENUBAR
160	menubar_ev.stop (display);
161	#endif
162	}	328	}
163		329
164	check_ev.stop ();	330	check_ev.stop ();
165	pty_ev.stop ();	331	pty_ev.stop ();
166	#ifdef CURSOR_BLINK	332	#ifdef CURSOR_BLINK
167	cursor_blink_ev.stop ();	333	cursor_blink_ev.stop ();
168	#endif	334	#endif
169	#ifdef TEXT_BLINK	335	#ifdef TEXT_BLINK
170	text_blink_ev.stop ();	336	text_blink_ev.stop ();
171	#endif	337	#endif
		338	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		339	cont_scroll_ev.stop ();
		340	#endif
		341	#ifdef SELECTION_SCROLLING
		342	sel_scroll_ev.stop ();
		343	#endif
172	#ifdef POINTER_BLANK	344	#ifdef POINTER_BLANK
173	pointer_ev.stop ();	345	pointer_ev.stop ();
174	#endif	346	#endif
175		347
176	destroy_ev.start (0);	348	destroy_ev.start (0);
177	}	349	}
178		350
179	void	351	void
180	rxvt_term::destroy_cb (time_watcher &w)	352	rxvt_term::destroy_cb (time_watcher &w)
181	{	353	{
182	SET_R (this);	354	make_current ();
183		355
184	delete this;	356	delete this;
185	}
186
187	/*----------------------------------------------------------------------*/
188	/* rxvt_init () */
189	/* LIBPROTO */
190	rxvt_t
191	rxvt_init (int argc, const char *const *argv)
192	{
193	SET_R (new rxvt_term);
194
195	if (!GET_R->init_vars () || !GET_R->init (argc, argv))
196	{
197	delete GET_R;
198	SET_R (0);
199	}
200
201	return GET_R;
202	}
203
204	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
205
206	void
207	rxvt_init_signals ()
208	{
209	/* install exit handler for cleanup */
210	#if 0
211	#ifdef HAVE_ATEXIT
212	atexit (rxvt_clean_exit);
213	#else
214	#endif
215	#endif
216
217	struct sigaction sa;
218
219	sigfillset (&sa.sa_mask);
220	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
221	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
222	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
223	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
224	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
225	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
226	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
227
228	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
229	/* signal (SIGURG, SIG_DFL); */
230
231	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
232	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
233	}
234
235	bool
236	rxvt_term::init (int argc, const char *const *argv)
237	{
238	/*
239	* Save and then give up any super-user privileges
240	* If we need privileges in any area then we must specifically request it.
241	* We should only need to be root in these cases:
242	* 1. write utmp entries on some systems
243	* 2. chown tty on some systems
244	*/
245	privileges (SAVE);
246	privileges (IGNORE);
247
248	init_secondary ();
249
250	const char **cmd_argv = init_resources (argc, argv);
251
252	set_locale ("");
253
254	#if (MENUBAR_MAX)
255	menubar_read (rs[Rs_menu]);
256	#endif
257	#ifdef HAVE_SCROLLBARS
258	if (Options & Opt_scrollBar)
259	scrollBar.setIdle (); /* set existence for size calculations */
260	#endif
261
262	create_windows (argc, argv);
263
264	init_xlocale ();
265
266	scr_reset (); /* initialize screen */
267
268	#if 0
269	XSynchronize (display->display, True);
270	#endif
271
272	#ifdef HAVE_SCROLLBARS
273	if (Options & Opt_scrollBar)
274	resize_scrollbar (); /* create and map scrollbar */
275	#endif
276	#if (MENUBAR_MAX)
277	if (menubar_visible (r))
278	XMapWindow (display->display, menuBar.win);
279	#endif
280	#ifdef TRANSPARENT
281	if (Options & Opt_transparent)
282	{
283	XSelectInput (display->display, display->root, PropertyChangeMask);
284	check_our_parents ();
285	}
286	#endif
287
288	rootwin_ev.start (display, display->root);
289
290	XMapWindow (display->display, TermWin.vt);
291	XMapWindow (display->display, TermWin.parent[0]);
292
293	init_command (cmd_argv);
294
295	pty_ev.start (cmd_fd, EVENT_READ);
296
297	check_ev.start ();
298
299	return true;
300	}
301
302	/* ------------------------------------------------------------------------- *
303	* SIGNAL HANDLING & EXIT HANDLER *
304	* ------------------------------------------------------------------------- */
305	/*
306	* Catch a SIGCHLD signal and exit if the direct child has died
307	*/
308	/* ARGSUSED */
309	/* EXTPROTO */
310	RETSIGTYPE
311	rxvt_Child_signal (int sig __attribute__ ((unused)))
312	{
313	int pid, save_errno = errno;
314	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
315	;
316	errno = save_errno;
317
318	#if 0
319	if (pid == cmd_pid)
320	exit (EXIT_SUCCESS);
321	#endif
322	}
323
324	/*
325	* Catch a fatal signal and tidy up before quitting
326	*/
327	/* EXTPROTO */
328	RETSIGTYPE
329	rxvt_Exit_signal (int sig)
330	{
331	signal (sig, SIG_DFL);
332	#ifdef DEBUG_CMD
333	rxvt_print_error ("signal %d", sig);
334	#endif
335	rxvt_clean_exit ();
336	kill (getpid (), sig);
337	}
338
339	/* INTPROTO */
340	int
341	rxvt_xerror_handler (Display *display, XErrorEvent *event)
342	{
343	if (GET_R->allowedxerror == -1)
344	GET_R->allowedxerror = event->error_code;
345	else
346	{
347	old_xerror_handler (display, event);
348	GET_R->destroy ();
349	}
350
351	return 0;
352	}	357	}
353		358
354	/*----------------------------------------------------------------------*/	359	/*----------------------------------------------------------------------*/
355	/*	360	/*
356	* Exit gracefully, clearing the utmp entry and restoring tty attributes	361	* Exit gracefully, clearing the utmp entry and restoring tty attributes
357	* TODO: if debugging, this should free up any known resources if we can	362	* TODO: if debugging, this should free up any known resources if we can
358	*/	363	*/
359	/* EXTPROTO */	364	static XErrorHandler old_xerror_handler;
		365
		366	static void
		367	rxvt_emergency_cleanup ()
		368	{
		369	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		370	(*t)->emergency_cleanup ();
		371	}
		372
		373	#if ENABLE_FRILLS
		374	static void
		375	print_x_error (Display *dpy, XErrorEvent *event)
		376	{
		377	char buffer[BUFSIZ];
		378	char mesg[BUFSIZ];
		379	char number[32];
		380	char *mtype = "XlibMessage";
		381	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		382	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		383	rxvt_warn ("An X Error occured, trying to continue after report.\n");
		384	rxvt_warn ("%s: %s\n", mesg, buffer);
		385	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		386	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		387	sprintf(number, "%d", event->request_code);
		388	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		389	rxvt_warn ("(which is %s)\n", buffer);
		390	if (event->request_code >= 128) {
		391	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		392	mesg, BUFSIZ);
		393	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		394	}
		395	if ((event->error_code == BadWindow) ||
		396	(event->error_code == BadPixmap) ||
		397	(event->error_code == BadCursor) ||
		398	(event->error_code == BadFont) ||
		399	(event->error_code == BadDrawable) ||
		400	(event->error_code == BadColor) ||
		401	(event->error_code == BadGC) ||
		402	(event->error_code == BadIDChoice) ||
		403	(event->error_code == BadValue) ||
		404	(event->error_code == BadAtom)) {
		405	if (event->error_code == BadValue)
		406	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		407	mesg, BUFSIZ);
		408	else if (event->error_code == BadAtom)
		409	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		410	mesg, BUFSIZ);
		411	else
		412	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		413	mesg, BUFSIZ);
		414	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		415	}
		416	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		417	mesg, BUFSIZ);
		418	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		419	}
		420	#endif
		421
		422	int
		423	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		424	{
		425	if (GET_R->allowedxerror == -1)
		426	GET_R->allowedxerror = event->error_code;
		427	else
		428	{
		429	// GET_R is most likely not the terminal which caused the error,
		430	// so just output the error and continue
		431	#if ENABLE_FRILLS
		432	print_x_error (display, event);
		433	#else
		434	old_xerror_handler (display, event);
		435	#endif
		436	}
		437
		438	return 0;
		439	}
		440
		441	int
		442	rxvt_xioerror_handler (Display *display)
		443	{
		444	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		445	DisplayString (display));
		446	rxvt_emergency_cleanup ();
		447	_exit (EXIT_FAILURE);
		448	}
		449
		450	/*----------------------------------------------------------------------*/
		451	bool
		452	rxvt_term::init (int argc, const char *const *argv)
		453	{
		454	SET_R (this);
		455	set_locale ("");
		456	set_environ (envv); // few things in X do not call setlocale :(
		457
		458	if (!init_vars ())
		459	return false;
		460
		461	init_secondary ();
		462
		463	const char **cmd_argv = init_resources (argc, argv);
		464
		465	#ifdef KEYSYM_RESOURCE
		466	keyboard->register_done ();
		467	#endif
		468
		469	#if ENABLE_PERL
		470	if (!rs[Rs_perl_ext_1])
		471	rs[Rs_perl_ext_1] = "default";
		472
		473	if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
		474	|| (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
		475	|| (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
		476	{
		477	rxvt_perl.init (this);
		478	HOOK_INVOKE ((this, HOOK_INIT, DT_END));
		479	}
		480	#endif
		481
		482	#ifdef HAVE_SCROLLBARS
		483	if (OPTION (Opt_scrollBar))
		484	scrollBar.setIdle (); /* set existence for size calculations */
		485	#endif
		486
		487	pty = rxvt_new_ptytty ();
		488
		489	create_windows (argc, argv);
		490
		491	dDisp;
		492
		493	init_xlocale ();
		494
		495	scr_reset (); // initialize screen
		496
		497	#if 0
		498	XSynchronize (disp, True);
		499	#endif
		500
		501	#ifdef HAVE_SCROLLBARS
		502	if (OPTION (Opt_scrollBar))
		503	resize_scrollbar (); /* create and map scrollbar */
		504	#endif
		505	#ifdef TRANSPARENT
		506	if (OPTION (Opt_transparent))
		507	{
		508	XSelectInput (disp, display->root, PropertyChangeMask);
		509	check_our_parents ();
		510	rootwin_ev.start (display, display->root);
		511	}
		512	#endif
		513
		514	set_colorfgbg ();
		515
		516	init_command (cmd_argv);
		517
		518	free (cmd_argv);
		519
		520	if (pty->pty >= 0)
		521	pty_ev.start (pty->pty, EVENT_READ);
		522
		523	check_ev.start ();
		524
		525	HOOK_INVOKE ((this, HOOK_START, DT_END));
		526
		527	XMapWindow (disp, vt);
		528	XMapWindow (disp, parent[0]);
		529
		530	return true;
		531	}
		532
		533	static struct sig_handlers
		534	{
		535	sig_watcher sw_term, sw_int;
		536
		537	/*
		538	* Catch a fatal signal and tidy up before quitting
		539	*/
360	void	540	void
361	rxvt_clean_exit ()	541	sig_term (sig_watcher &w)
		542	{
		543	#ifdef DEBUG_CMD
		544	rxvt_warn ("caught signal %d, exiting.\n", w.signum);
		545	#endif
		546	rxvt_emergency_cleanup ();
		547	signal (w.signum, SIG_DFL);
		548	kill (getpid (), w.signum);
		549	}
		550
		551	sig_handlers ()
		552	: sw_term (this, &sig_handlers::sig_term),
		553	sw_int (this, &sig_handlers::sig_term)
		554	{
		555	}
		556	} sig_handlers;
		557
		558	char **rxvt_environ; // startup environment
		559
		560	void
		561	rxvt_init ()
362	{	562	{
363	// TODO: rxvtd should clean up all ressources	563	uid_t uid = getuid ();
364	if (GET_R)	564	gid_t gid = getgid ();
365	GET_R->destroy ();	565
		566	// before doing anything else, check for setuid/setgid operation,
		567	// start the helper process and drop privileges
		568	if (uid != geteuid ()
		569	|| gid != getegid ())
		570	{
		571	#if PTYTTY_HELPER
		572	rxvt_ptytty_server ();
		573	#else
		574	rxvt_warn ("running setuid/setgid without pty helper compiled in, continuing unprivileged.\n");
		575	#endif
		576
		577	// drop privileges
		578	#if HAVE_SETRESUID
		579	setresgid (gid, gid, gid);
		580	setresuid (uid, uid, uid);
		581	#elif HAVE_SETREUID
		582	setregid (gid, gid);
		583	setreuid (uid, uid);
		584	#elif HAVE_SETUID
		585	setgid (gid);
		586	setuid (uid);
		587	#endif
		588
		589	if (uid != geteuid ()
		590	|| gid != getegid ())
		591	rxvt_fatal ("unable to drop privileges, aborting.\n");
		592	}
		593
		594	rxvt_environ = environ;
		595
		596	signal (SIGHUP, SIG_IGN);
		597	signal (SIGPIPE, SIG_IGN);
		598
		599	sig_handlers.sw_term.start (SIGTERM);
		600	sig_handlers.sw_int.start (SIGINT);
		601
		602	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		603	/* signal (SIGURG, SIG_DFL); */
		604
		605	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		606	// TODO: handle this with exceptions and tolerate the memory loss
		607	XSetIOErrorHandler (rxvt_xioerror_handler);
		608
		609	XrmInitialize ();
366	}	610	}
367		611
368	/* ------------------------------------------------------------------------- *	612	/* ------------------------------------------------------------------------- *
369	* MEMORY ALLOCATION WRAPPERS *	613	* MEMORY ALLOCATION WRAPPERS *
370	* ------------------------------------------------------------------------- */	614	* ------------------------------------------------------------------------- */
371	/* EXTPROTO */	615	void *
372	void *
373	rxvt_malloc (size_t size)	616	rxvt_malloc (size_t size)
374	{	617	{
375	void *p;
376
377	p = malloc (size);	618	void *p = malloc (size);
		619
378	if (p)	620	if (!p)
		621	rxvt_fatal ("memory allocation failure. aborting.\n");
		622
379	return p;	623	return p;
380
381	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
382	rxvt_clean_exit ();
383	exit (EXIT_FAILURE);
384	/* NOTREACHED */
385	}	624	}
386		625
387	/* EXTPROTO */	626	void *
388	void *
389	rxvt_calloc (size_t number, size_t size)	627	rxvt_calloc (size_t number, size_t size)
390	{	628	{
391	void *p;
392
393	p = calloc (number, size);	629	void *p = calloc (number, size);
		630
394	if (p)	631	if (!p)
		632	rxvt_fatal ("memory allocation failure. aborting.\n");
		633
395	return p;	634	return p;
396
397	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
398	rxvt_clean_exit ();
399	exit (EXIT_FAILURE);
400	/* NOTREACHED */
401	}	635	}
402		636
403	/* EXTPROTO */	637	void *
404	void *
405	rxvt_realloc (void *ptr, size_t size)	638	rxvt_realloc (void *ptr, size_t size)
406	{	639	{
407	void *p;
408
409	if (ptr)
410	p = realloc (ptr, size);	640	void *p = realloc (ptr, size);
411	else	641
412	p = malloc (size);
413	if (p)	642	if (!p)
		643	rxvt_fatal ("memory allocation failure. aborting.\n");
		644
414	return p;	645	return p;
415
416	fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
417	rxvt_clean_exit ();
418	exit (EXIT_FAILURE);
419	/* NOTREACHED */
420	}	646	}
421
422	/* ------------------------------------------------------------------------- *
423	* PRIVILEGED OPERATIONS *
424	* ------------------------------------------------------------------------- */
425	/* take care of suid/sgid super-user (root) privileges */
426	void
427	rxvt_term::privileges (int mode)
428	{
429	#if ! defined(__CYGWIN32__)
430	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
431	/* setreuid () is the poor man's setuid (), seteuid () */
432	# define seteuid(a) setreuid(-1, (a))
433	# define setegid(a) setregid(-1, (a))
434	# define HAVE_SETEUID
435	# endif
436	# ifdef HAVE_SETEUID
437	switch (mode)
438	{
439	case IGNORE:
440	/*
441	* change effective uid/gid - not real uid/gid - so we can switch
442	* back to root later, as required
443	*/
444	seteuid (getuid ());
445	setegid (getgid ());
446	break;
447	case SAVE:
448	euid = geteuid ();
449	egid = getegid ();
450	break;
451	case RESTORE:
452	seteuid (euid);
453	setegid (egid);
454	break;
455	}
456	# else
457	switch (mode)
458	{
459	case IGNORE:
460	setuid (getuid ());
461	setgid (getgid ());
462	/* FALLTHROUGH */
463	case SAVE:
464	/* FALLTHROUGH */
465	case RESTORE:
466	break;
467	}
468	# endif
469	#endif
470	}
471
472	#ifdef UTMP_SUPPORT
473	void
474	rxvt_term::privileged_utmp (char action)
475	{
476	D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)",
477	action, next_utmp_action, getpid ()));
478	if (next_utmp_action != action || (action != SAVE && action != RESTORE)
479	|| (Options & Opt_utmpInhibit)
480	|| ttydev == NULL || *ttydev == '\0')
481	return;
482
483	privileges (RESTORE);
484	if (action == SAVE)
485	{
486	next_utmp_action = RESTORE;
487	makeutent (ttydev, rs[Rs_display_name]);
488	}
489	else
490	{ /* action == RESTORE */
491	next_utmp_action = IGNORE;
492	cleanutent ();
493	}
494	privileges (IGNORE);
495	}
496	#endif
497
498	#ifndef NO_SETOWNER_TTYDEV
499	void
500	rxvt_term::privileged_ttydev (char action)
501	{
502	D_MAIN ((stderr,
503	"privileged_ttydev (%c); waiting for: %c (pid: %d)",
504	action, next_tty_action, getpid ()));
505	if (next_tty_action != action || (action != SAVE && action != RESTORE)
506	|| ttydev == NULL || *ttydev == '\0')
507	return;
508
509	privileges (RESTORE);
510
511	if (action == SAVE)
512	{
513	next_tty_action = RESTORE;
514	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
515	/* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */
516	if (lstat (ttydev, &ttyfd_stat) < 0) /* you lose out */
517	next_tty_action = IGNORE;
518	else
519	# endif
520
521	{
522	chown (ttydev, getuid (), ttygid); /* fail silently */
523	chmod (ttydev, ttymode);
524	# ifdef HAVE_REVOKE
525	revoke (ttydev);
526	# endif
527
528	}
529	}
530	else
531	{ /* action == RESTORE */
532	next_tty_action = IGNORE;
533	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
534	chmod (ttydev, ttyfd_stat.st_mode);
535	chown (ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
536	# else
537	chmod (ttydev,
538	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
539	chown (ttydev, 0, 0);
540	# endif
541
542	}
543
544	privileges (IGNORE);
545
546	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
547	D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
548	action == RESTORE ? "Restoring" : (action ==
549	SAVE ? "Saving" :
550	"UNKNOWN ERROR for"), ttydev,
551	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
552	ttyfd_stat.st_gid));
553	# endif
554	}
555	#endif
556		647
557	/*----------------------------------------------------------------------*/	648	/*----------------------------------------------------------------------*/
558	/*	649	/*
559	* window size/position calculcations for XSizeHint and other storage.	650	* window size/position calculcations for XSizeHint and other storage.
560	* if width/height are non-zero then override calculated width/height	651	* if width/height are non-zero then override calculated width/height
561	*/	652	*/
562	void	653	void
563	rxvt_term::window_calc (unsigned int width, unsigned int height)	654	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
564	{	655	{
565	short recalc_x, recalc_y;	656	short recalc_x, recalc_y;
566	int x, y, sb_w, mb_h, flags;	657	int x, y, sb_w, flags;
567	unsigned int w, h;	658	unsigned int w, h;
568	unsigned int max_width, max_height;	659	unsigned int max_width, max_height;
		660	dDisp;
569		661
570	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	662	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
571	TermWin.ncol, TermWin.nrow, szHint.width,	663	ncol, nrow, szHint.width, szHint.height));
572	szHint.height));	664
573	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	665	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
574	szHint.win_gravity = NorthWestGravity;	666	szHint.win_gravity = NorthWestGravity;
575	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	667	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
576		668
577	recalc_x = recalc_y = 0;	669	recalc_x = recalc_y = 0;
578	flags = 0;	670	flags = 0;
		671
579	if (!parsed_geometry)	672	if (!parsed_geometry)
580	{	673	{
581	parsed_geometry = 1;	674	parsed_geometry = 1;
		675
582	if (rs[Rs_geometry])	676	if (rs[Rs_geometry])
583	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);	677	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		678
584	if (flags & WidthValue)	679	if (flags & WidthValue)
585	{	680	{
586	TermWin.ncol = BOUND_POSITIVE_INT16 (w);	681	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
587	szHint.flags |= USSize;	682	szHint.flags |= USSize;
588	}	683	}
		684
589	if (flags & HeightValue)	685	if (flags & HeightValue)
590	{	686	{
591	TermWin.nrow = BOUND_POSITIVE_INT16 (h);	687	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
592	szHint.flags |= USSize;	688	szHint.flags |= USSize;
593	}	689	}
		690
594	if (flags & XValue)	691	if (flags & XValue)
595	{	692	{
596	szHint.x = x;	693	szHint.x = x;
597	szHint.flags |= USPosition;	694	szHint.flags |= USPosition;
		695
598	if (flags & XNegative)	696	if (flags & XNegative)
599	{	697	{
600	recalc_x = 1;	698	recalc_x = 1;
601	szHint.win_gravity = NorthEastGravity;	699	szHint.win_gravity = NorthEastGravity;
602	}	700	}
603	}	701	}
		702
604	if (flags & YValue)	703	if (flags & YValue)
605	{	704	{
606	szHint.y = y;	705	szHint.y = y;
607	szHint.flags |= USPosition;	706	szHint.flags |= USPosition;
		707
608	if (flags & YNegative)	708	if (flags & YNegative)
609	{	709	{
610	recalc_y = 1;	710	recalc_y = 1;
		711
611	if (szHint.win_gravity == NorthEastGravity)	712	if (szHint.win_gravity == NorthEastGravity)
612	szHint.win_gravity = SouthEastGravity;	713	szHint.win_gravity = SouthEastGravity;
613	else	714	else
614	szHint.win_gravity = SouthWestGravity;	715	szHint.win_gravity = SouthWestGravity;
615	}	716	}
616	}	717	}
617	}	718	}
		719
618	/* TODO: BOUNDS */	720	/* TODO: BOUNDS */
619	TermWin.width = TermWin.ncol * TermWin.fwidth;	721	width = ncol * fwidth;
620	TermWin.height = TermWin.nrow * TermWin.fheight;	722	height = nrow * fheight;
621	max_width = MAX_COLS * TermWin.fwidth;	723	max_width = MAX_COLS * fwidth;
622	max_height = MAX_ROWS * TermWin.fheight;	724	max_height = MAX_ROWS * fheight;
623		725
624	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	726	szHint.base_width = szHint.base_height = 2 * int_bwidth;
625		727
626	sb_w = mb_h = 0;	728	sb_w = 0;
627	window_vt_x = window_vt_y = 0;	729	window_vt_x = window_vt_y = int_bwidth;
628	if (scrollbar_visible ())	730
		731	if (scrollBar.state)
629	{	732	{
630	sb_w = scrollbar_TotalWidth ();	733	sb_w = scrollbar_TotalWidth ();
631	szHint.base_width += sb_w;	734	szHint.base_width += sb_w;
632	if (! (Options & Opt_scrollBar_right))	735	if (!OPTION (Opt_scrollBar_right))
633	window_vt_x = sb_w;	736	window_vt_x += sb_w;
634	}
635	if (menubar_visible ())
636	{	737	}
637	mb_h = menuBar_TotalHeight ();	738
638	szHint.base_height += mb_h;
639	window_vt_y = mb_h;
640	}
641	szHint.width_inc = TermWin.fwidth;	739	szHint.width_inc = fwidth;
642	szHint.height_inc = TermWin.fheight;	740	szHint.height_inc = fheight;
643	szHint.min_width = szHint.base_width + szHint.width_inc;	741	szHint.min_width = szHint.base_width + szHint.width_inc;
644	szHint.min_height = szHint.base_height + szHint.height_inc;	742	szHint.min_height = szHint.base_height + szHint.height_inc;
645		743
646	if (width && width - szHint.base_width < max_width)	744	if (newwidth && newwidth - szHint.base_width < max_width)
647	{	745	{
648	szHint.width = width;	746	szHint.width = newwidth;
649	TermWin.width = width - szHint.base_width;	747	width = newwidth - szHint.base_width;
650	}	748	}
651	else	749	else
652	{	750	{
653	MIN_IT (TermWin.width, max_width);	751	min_it (width, max_width);
654	szHint.width = szHint.base_width + TermWin.width;	752	szHint.width = szHint.base_width + width;
655	}	753	}
		754
656	if (height && height - szHint.base_height < max_height)	755	if (newheight && newheight - szHint.base_height < max_height)
657	{	756	{
658	szHint.height = height;	757	szHint.height = newheight;
659	TermWin.height = height - szHint.base_height;	758	height = newheight - szHint.base_height;
660	}	759	}
661	else	760	else
662	{	761	{
663	MIN_IT (TermWin.height, max_height);	762	min_it (height, max_height);
664	szHint.height = szHint.base_height + TermWin.height;	763	szHint.height = szHint.base_height + height;
665	}	764	}
666	if (scrollbar_visible () && (Options & Opt_scrollBar_right))	765
		766	if (scrollBar.state && OPTION (Opt_scrollBar_right))
667	window_sb_x = szHint.width - sb_w;	767	window_sb_x = szHint.width - sb_w;
668		768
669	if (recalc_x)	769	if (recalc_x)
670	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	770	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
671	- szHint.width - 2 * TermWin.ext_bwidth);
672	if (recalc_y)	771	if (recalc_y)
673	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	772	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
674	- szHint.height - 2 * TermWin.ext_bwidth);
675		773
676	TermWin.ncol = TermWin.width / TermWin.fwidth;	774	ncol = width / fwidth;
677	TermWin.nrow = TermWin.height / TermWin.fheight;	775	nrow = height / fheight;
678	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	776	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
679	TermWin.ncol, TermWin.nrow, szHint.width,	777	ncol, nrow, szHint.width,
680	szHint.height));	778	szHint.height));
681	return;	779	return;
682	}	780	}
683		781
684	/*----------------------------------------------------------------------*/	782	/*----------------------------------------------------------------------*/
…		…
687	* Called after a window size change.	785	* Called after a window size change.
688	*/	786	*/
689	void	787	void
690	rxvt_term::tt_winch ()	788	rxvt_term::tt_winch ()
691	{	789	{
		790	if (pty->pty < 0)
		791	return;
		792
692	struct winsize ws;	793	struct winsize ws;
693		794
694	if (cmd_fd < 0)
695	return;
696
697	ws.ws_col = TermWin.ncol;	795	ws.ws_col = ncol;
698	ws.ws_row = TermWin.nrow;	796	ws.ws_row = nrow;
699	ws.ws_xpixel = ws.ws_ypixel = 0;	797	ws.ws_xpixel = width;
700	#ifndef DEBUG_SIZE	798	ws.ws_ypixel = height;
701	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	799	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
702	#else	800
703	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	801	#if 0
704	D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	802	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
705	# ifdef SIGWINCH
706	else if (cmd_pid) /* force through to the command */	803	if (cmd_pid) /* force through to the command */
707	kill (cmd_pid, SIGWINCH);	804	kill (-cmd_pid, SIGWINCH);
708	# endif
709	#endif	805	#endif
710	}	806	}
711		807
712	/*----------------------------------------------------------------------*/	808	/*----------------------------------------------------------------------*/
713	/* rxvt_change_font () - Switch to a new font */	809	/* set_fonts () - load and set the various fonts
714	/*	810	*
715	* init = 1 - initialize	811	* init = 1 - initialize
716	*	812	*
717	* fontname == FONT_UP - switch to bigger font	813	* fontname == FONT_UP - switch to bigger font
718	* fontname == FONT_DN - switch to smaller font	814	* fontname == FONT_DN - switch to smaller font
719	*/	815	*/
720	bool	816	bool
721	rxvt_term::change_font (const char *fontname)	817	rxvt_term::set_fonts ()
722	{	818	{
723	if (fontname == FONT_UP)
724	{
725	// TODO
726	}
727	else if (fontname == FONT_DN)
728	{
729	// TODO
730	}
731	else
732	{
733	rxvt_fontset *fs = new rxvt_fontset (this);	819	rxvt_fontset *fs = new rxvt_fontset (this);
		820	rxvt_fontprop prop;
734		821
735	if (fs && fs->populate (fontname))	822	if (!fs
		823	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		824	|| !fs->realize_font (1))
		825	{
		826	delete fs;
		827	return false;
		828	}
		829
		830	#if ENABLE_STYLES
		831	for (int i = RS_styleCount; --i; )
		832	if (fontset[i] != fontset[0])
		833	delete fontset[i];
		834	#endif
		835
		836	delete fontset[0];
		837	fontset[0] = fs;
		838
		839	prop = (*fs)[1]->properties ();
		840	prop.height += lineSpace;
		841	fs->set_prop (prop);
		842
		843	fwidth = prop.width;
		844	fheight = prop.height;
		845	fbase = prop.ascent;
		846
		847	for (int style = 1; style < 4; style++)
		848	{
		849	#if ENABLE_STYLES
		850	const char *res = rs[Rs_font + style];
		851
		852	if (res && !*res)
		853	fontset[style] = fontset[0];
		854	else
736	{	855	{
737	delete TermWin.fontset;	856	fontset[style] = fs = new rxvt_fontset (this);
738	TermWin.fontset = fs;	857	rxvt_fontprop prop2 = prop;
739	TermWin.fwidth = fs->base_font ()->width;
740	TermWin.fheight = fs->base_font ()->height;
741	TermWin.fbase = fs->base_font ()->ascent;
742		858
743	// TODO: screen needs to be told about new fonts	859	if (res)
		860	prop2.weight = prop2.slant = rxvt_fontprop::unset;
744		861	else
745	if (TermWin.parent[0])
746	{	862	{
747	resize_all_windows (0, 0, 0);	863	res = fontset[0]->fontdesc;
748	scr_remap_chars ();	864
749	scr_touch (true);	865	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		866	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
750	}	867	}
751		868
752	return true;	869	fs->populate (res);
		870	fs->set_prop (prop2);
753	}	871	}
		872	#else
		873	fontset[style] = fontset[0];
		874	#endif
		875	}
		876
		877	if (parent[0])
754	}	878	{
		879	resize_all_windows (0, 0, 0);
		880	scr_remap_chars ();
		881	scr_touch (true);
		882	}
755		883
756	return false;	884	return true;
757	}	885	}
758		886
759	bool	887	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
760	rxvt_term::font_up_down (int n, int direction)
761	{	888	{
762	return false;	889	XChangeProperty (display->display, parent[0],
		890	prop, XA_STRING, 8, PropModeReplace,
		891	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		892	}
		893
		894	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		895	{
		896	wchar_t *ws = rxvt_mbstowcs (str, len);
		897	char *s = rxvt_wcstoutf8 (ws);
		898
		899	XChangeProperty (display->display, parent[0],
		900	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		901	(const unsigned char *)s, strlen (s));
		902
		903	free (s);
		904	free (ws);
763	}	905	}
764		906
765	/*----------------------------------------------------------------------*/	907	/*----------------------------------------------------------------------*/
766	/*----------------------------------------------------------------------*/	908	/*----------------------------------------------------------------------*/
767	/* xterm sequences - title, iconName, color (exptl) */	909	/* xterm sequences - title, iconName, color (exptl) */
768	void	910	void
769	rxvt_term::set_title (const char *str)	911	rxvt_term::set_title (const char *str)
770	{	912	{
771	#ifndef SMART_WINDOW_TITLE	913	set_string_property (XA_WM_NAME, str);
772	XStoreName (display->display, TermWin.parent[0], str);	914	#if ENABLE_EWMH
773	#else	915	set_utf8_property (xa[XA_NET_WM_NAME], str);
774	char *name;
775
776	if (XFetchName (display->display, TermWin.parent[0], &name) == 0)
777	name = NULL;
778	if (name == NULL || STRCMP (name, str))
779	XStoreName (display->display, TermWin.parent[0], str);
780	if (name)
781	XFree (name);
782	#endif	916	#endif
783	}	917	}
784		918
785	void	919	void
786	rxvt_term::set_iconName (const char *str)	920	rxvt_term::set_icon_name (const char *str)
787	{	921	{
788	#ifndef SMART_WINDOW_TITLE	922	set_string_property (XA_WM_ICON_NAME, str);
789	XSetIconName (display->display, TermWin.parent[0], str);	923	#if ENABLE_EWMH
790	#else	924	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
791	char *name;
792
793	if (XGetIconName (display->display, TermWin.parent[0], &name))
794	name = NULL;
795	if (name == NULL || STRCMP (name, str))
796	XSetIconName (display->display, TermWin.parent[0], str);
797	if (name)
798	XFree (name);
799	#endif	925	#endif
800	}	926	}
801		927
802	#ifdef XTERM_COLOR_CHANGE	928	#ifdef XTERM_COLOR_CHANGE
803	void	929	void
804	rxvt_term::set_window_color (int idx, const char *color)	930	rxvt_term::set_window_color (int idx, const char *color)
805	{	931	{
806	rxvt_color xcol;	932	rxvt_color xcol;
807	int i;	933	int i;
808		934
809	if (color == NULL || *color == '\0')	935	if (color == NULL || *color == '\0')
810	return;	936	return;
811		937
812	/* handle color aliases */	938	/* handle color aliases */
813	if (isdigit (*color))	939	if (isdigit (*color))
814	{	940	{
815	i = atoi (color);	941	i = atoi (color);
		942
816	if (i >= 8 && i <= 15)	943	if (i >= 8 && i <= 15)
817	{ /* bright colors */	944	{ /* bright colors */
818	i -= 8;	945	i -= 8;
819	# ifndef NO_BRIGHTCOLOR
820	PixColors[idx] = PixColors[minBrightCOLOR + i];	946	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
821	SET_PIXCOLOR (idx);	947	SET_PIXCOLOR (idx);
822	goto Done;	948	goto done;
823	# endif
824
825	}	949	}
		950
826	if (i >= 0 && i <= 7)	951	if (i >= 0 && i <= 7)
827	{ /* normal colors */	952	{ /* normal colors */
828	PixColors[idx] = PixColors[minCOLOR + i];	953	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
829	SET_PIXCOLOR (idx);	954	SET_PIXCOLOR (idx);
830	goto Done;	955	goto done;
831	}	956	}
832	}	957	}
		958
833	if (!rXParseAllocColor (& xcol, color))	959	if (!rXParseAllocColor (&xcol, color))
834	return;	960	return;
		961
835	/* XStoreColor (display->display, XCMAP, XColor*); */	962	/* XStoreColor (display->display, display->cmap, XColor*); */
836		963
837	/*	964	/*
838	* FIXME: should free colors here, but no idea how to do it so instead,	965	* FIXME: should free colors here, but no idea how to do it so instead,
839	* so just keep gobbling up the colormap	966	* so just keep gobbling up the colormap
840	*/	967	*/
841	# if 0	968	# if 0
842	for (i = Color_Black; i <= Color_White; i++)	969	for (i = Color_Black; i <= Color_White; i++)
843	if (PixColors[idx] == PixColors[i])	970	if (pix_colors[idx] == pix_colors[i])
844	break;	971	break;
845	if (i > Color_White)	972	if (i > Color_White)
846	{	973	{
847	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */	974	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
848	XFreeColors (display->display, XCMAP, (PixColors + idx), 1,	975	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
849	DisplayPlanes (display->display, display->screen));	976	DisplayPlanes (display->display, display->screen));
850	}	977	}
851	# endif	978	# endif
852		979
853	PixColors[idx] = xcol;	980	pix_colors_focused[idx] = xcol;
854	SET_PIXCOLOR (idx);	981	SET_PIXCOLOR (idx);
855		982
856	/* XSetWindowAttributes attr; */	983	/* XSetWindowAttributes attr; */
857	/* Cursor cursor; */	984	/* Cursor cursor; */
858	Done:	985	done:
859	if (idx == Color_bg && ! (Options & Opt_transparent))
860	XSetWindowBackground (display->display, TermWin.vt,
861	PixColors[Color_bg]);
862		986
		987	#if OFF_FOCUS_FADING
		988	if (rs[Rs_fade])
		989	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
		990	#endif
		991
863	/* handle Color_BD, scrollbar background, etc. */	992	/*TODO: handle Color_BD, scrollbar background, etc. */
864		993
865	set_colorfgbg ();
866	recolour_cursor ();	994	recolour_cursor ();
867	/* the only reasonable way to enforce a clean update */	995	scr_recolour ();
868	scr_poweron ();
869	}	996	}
870		997
871	#else	998	#else
872	# define set_window_color (idx,color) ((void)0)	999	# define set_window_color (idx,color) ((void)0)
873	#endif /* XTERM_COLOR_CHANGE */	1000	#endif /* XTERM_COLOR_CHANGE */
874		1001
875	void	1002	void
876	rxvt_term::recolour_cursor ()	1003	rxvt_term::recolour_cursor ()
877	{	1004	{
878	#if TODO
879	rxvt_color xcol[2];	1005	XColor xcol[2];
880		1006
881	xcol[0] = PixColors[Color_pointer];	1007	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
882	xcol[1] = PixColors[Color_bg];	1008	? pix_colors_focused[Color_pointer_fg]
		1009	: pix_colors_focused[Color_fg];
		1010	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		1011	? pix_colors_focused[Color_pointer_bg]
		1012	: pix_colors_focused[Color_bg];
		1013
883	XQueryColors (display->display, XCMAP, xcol, 2);	1014	XQueryColors (display->display, display->cmap, xcol, 2);
884	XRecolorCursor (display->display, TermWin_cursor, & (xcol[0]), & (xcol[1]));	1015	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
885	#endif
886	}	1016	}
887		1017
888	/*----------------------------------------------------------------------*/	1018	/*----------------------------------------------------------------------*/
889	/*	1019	/*
890	* find if fg/bg matches any of the normal (low-intensity) colors	1020	* find if fg/bg matches any of the normal (low-intensity) colors
891	*/	1021	*/
892	void	1022	void
893	rxvt_term::set_colorfgbg ()	1023	rxvt_term::set_colorfgbg ()
894	{	1024	{
895	unsigned int i;	1025	unsigned int i;
896	const char *xpmb = "\0";	1026	const char *xpmb = "\0";
897	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];	1027	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
898		1028
899	env_colorfgbg =
900	(char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);	1029	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
901	STRCPY (fstr, "default");	1030	strcpy (fstr, "default");
902	STRCPY (bstr, "default");	1031	strcpy (bstr, "default");
903	for (i = Color_Black; i <= Color_White; i++)	1032	for (i = Color_Black; i <= Color_White; i++)
904	if (PixColors[Color_fg] == PixColors[i])	1033	if (pix_colors[Color_fg] == pix_colors[i])
905	{	1034	{
906	sprintf (fstr, "%d", (i - Color_Black));	1035	sprintf (fstr, "%d", (i - Color_Black));
907	break;	1036	break;
908	}	1037	}
		1038
909	for (i = Color_Black; i <= Color_White; i++)	1039	for (i = Color_Black; i <= Color_White; i++)
910	if (PixColors[Color_bg] == PixColors[i])	1040	if (pix_colors[Color_bg] == pix_colors[i])
911	{	1041	{
912	sprintf (bstr, "%d", (i - Color_Black));	1042	sprintf (bstr, "%d", (i - Color_Black));
913	#ifdef XPM_BACKGROUND	1043	#ifdef XPM_BACKGROUND
914	xpmb = "default;";	1044	xpmb = "default;";
915	#endif	1045	#endif
916	break;	1046	break;
917	}	1047	}
918		1048
919	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1049	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
920
921	#ifndef NO_BRIGHTCOLOR
922	colorfgbg = DEFAULT_RSTYLE;
923	for (i = minCOLOR; i <= maxCOLOR; i++)
924	{
925	if (PixColors[Color_fg] == PixColors[i])
926	colorfgbg = SET_FGCOLOR (colorfgbg, i);
927	if (PixColors[Color_bg] == PixColors[i])
928	colorfgbg = SET_BGCOLOR (colorfgbg, i);
929	}
930	#endif
931	}	1050	}
932		1051
933	/*----------------------------------------------------------------------*/	1052	/*----------------------------------------------------------------------*/
934	/*
935	* Colour determination for low colour displays, routine from
936	* Hans de Goede <hans@highrise.nl>
937	*/
938		1053
939	int	1054	int
940	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	1055	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
941	{	1056	{
942	if (!screen_in_out->set (display, colour))	1057	if (!screen_in_out->set (display, colour))
943	{	1058	{
944	rxvt_print_error ("can't allocate colour: %s", colour);	1059	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
945	return false;	1060	return false;
946	}	1061	}
947		1062
948	return true;	1063	return true;
949	}	1064	}
950		1065
951	/* -------------------------------------------------------------------- *	1066	/* -------------------------------------------------------------------- *
952	* - WINDOW RESIZING - *	1067	* - WINDOW RESIZING - *
953	* -------------------------------------------------------------------- */	1068	* -------------------------------------------------------------------- */
954	void	1069	void
955	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	1070	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
956	{	1071	{
957	int fix_screen;	1072	int fix_screen;
958
959	#ifdef SMART_RESIZE
960	int old_width = szHint.width, old_height = szHint.height;	1073	int old_width = szHint.width, old_height = szHint.height;
961	#endif	1074	dDisp;
962		1075
963	window_calc (width, height);	1076	window_calc (newwidth, newheight);
964	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	1077	XSetWMNormalHints (disp, parent[0], &szHint);
		1078
965	if (!ignoreparent)	1079	if (!ignoreparent)
966	{	1080	{
967	#ifdef SMART_RESIZE	1081	#ifdef SMART_RESIZE
968	/*	1082	/*
969	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1083	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
972	int x, y, x1, y1;	1086	int x, y, x1, y1;
973	int dx, dy;	1087	int dx, dy;
974	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1088	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
975	Window unused_cr;	1089	Window unused_cr;
976		1090
977	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	1091	XTranslateCoordinates (disp, parent[0], display->root,
978	0, 0, &x, &y, &unused_cr);	1092	0, 0, &x, &y, &unused_cr);
979	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	1093	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
980	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1094	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
981	/*	1095	/*
982	* if display->root isn't the parent window, a WM will probably have offset	1096	* if display->root isn't the parent window, a WM will probably have offset
983	* our position for handles and decorations. Counter it	1097	* our position for handles and decorations. Counter it
984	*/	1098	*/
…		…
986	{	1100	{
987	x -= x1;	1101	x -= x1;
988	y -= y1;	1102	y -= y1;
989	}	1103	}
990		1104
991	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	1105	x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
992	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	1106	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
993	dx = old_width - szHint.width;	1107	dx = old_width - szHint.width;
994	dy = old_height - szHint.height;	1108	dy = old_height - szHint.height;
995		1109
996	/* Check position of the center of the window */	1110	/* Check position of the center of the window */
997	if (x < x1) /* left half */	1111	if (x < x1) /* left half */
…		…
1001	if (y < y1) /* top half */	1115	if (y < y1) /* top half */
1002	dy = 0;	1116	dy = 0;
1003	else if (y == y1) /* exact center */	1117	else if (y == y1) /* exact center */
1004	dy /= 2;	1118	dy /= 2;
1005		1119
1006	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	1120	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
1007	szHint.width, szHint.height);	1121	szHint.width, szHint.height);
1008	#else	1122	#else
1009	XResizeWindow (display->display, TermWin.parent[0], szHint.width,	1123	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
1010	szHint.height);
1011	#endif	1124	#endif
1012
1013	}	1125	}
1014		1126
1015	fix_screen = (TermWin.ncol != prev_ncol	1127	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1016	|| TermWin.nrow != prev_nrow);
1017		1128
1018	if (fix_screen || width != old_width || height != old_height)	1129	if (fix_screen || newwidth != old_width || newheight != old_height)
1019	{	1130	{
1020	if (scrollbar_visible ())	1131	if (scrollBar.state)
1021	{	1132	{
1022	XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,	1133	XMoveResizeWindow (disp, scrollBar.win,
		1134	window_sb_x, 0,
1023	0, scrollbar_TotalWidth (), szHint.height);	1135	scrollbar_TotalWidth (), szHint.height);
1024	resize_scrollbar ();	1136	resize_scrollbar ();
1025	}	1137	}
1026		1138
1027	if (menubar_visible ())	1139	XMoveResizeWindow (disp, vt,
1028	XMoveResizeWindow (display->display, menuBar.win, window_vt_x,	1140	window_vt_x, window_vt_y,
1029	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
1030
1031	XMoveResizeWindow (display->display, TermWin.vt, window_vt_x,
1032	window_vt_y, TermWin_TotalWidth (),
1033	TermWin_TotalHeight ());	1141	width, height);
		1142
1034	scr_clear ();	1143	scr_clear ();
1035	#ifdef XPM_BACKGROUND	1144	#ifdef XPM_BACKGROUND
1036	resize_pixmap ();	1145	resize_pixmap ();
1037	#endif	1146	#endif
1038
1039	}	1147	}
1040		1148
1041	if (fix_screen || old_height == 0)	1149	if (fix_screen || old_height == 0)
1042	{	1150	{
1043	int curr_screen = -1;	1151	int curr_screen = -1;
1044	int old_ncol = prev_ncol;	1152	int old_ncol = prev_ncol;
1045		1153
1046	/* scr_reset only works on the primary screen */	1154	/* scr_reset only works on the primary screen */
1047	if (old_height) /* this is not the first time through */	1155	if (old_height) /* this is not the first time through */
1048	{	1156	{
1049	unsigned int ncol = TermWin.ncol;	1157	unsigned int ocol = ncol;
1050	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this	1158	ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1051	curr_screen = scr_change_screen (PRIMARY);	1159	curr_screen = scr_change_screen (PRIMARY);
1052	TermWin.ncol = ncol;	1160	ncol = ocol;
1053	}	1161	}
1054		1162
1055	scr_reset ();	1163	scr_reset ();
1056		1164
1057	if (curr_screen >= 0) /* this is not the first time through */	1165	if (curr_screen >= 0) /* this is not the first time through */
1058	{	1166	{
1059	scr_change_screen (curr_screen);	1167	scr_change_screen (curr_screen);
1060	selection_check (old_ncol != TermWin.ncol ? 4 : 0);	1168	selection_check (old_ncol != ncol ? 4 : 0);
1061	}	1169	}
1062	}	1170	}
1063		1171
1064	old_width = szHint.width;	1172	old_width = szHint.width;
1065	old_height = szHint.height;	1173	old_height = szHint.height;
		1174
		1175	#ifdef XPM_BACKGROUND
		1176	if (pixmap)
		1177	scr_touch (false);
		1178	#endif
1066		1179
1067	#ifdef USE_XIM	1180	#ifdef USE_XIM
1068	IMSetStatusPosition ();	1181	IMSetStatusPosition ();
1069	#endif	1182	#endif
1070	}	1183	}
…		…
1072	/*	1185	/*
1073	* Set the width/height of the vt window in characters. Units are pixels.	1186	* Set the width/height of the vt window in characters. Units are pixels.
1074	* good for toggling 80/132 columns	1187	* good for toggling 80/132 columns
1075	*/	1188	*/
1076	void	1189	void
1077	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1190	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1078	{	1191	{
1079	XWindowAttributes wattr;	1192	XWindowAttributes wattr;
1080		1193
1081	if (width == 0 || height == 0)	1194	if (newwidth == 0 || newheight == 0)
1082	{	1195	{
1083	XGetWindowAttributes (display->display, display->root, &wattr);	1196	XGetWindowAttributes (display->display, display->root, &wattr);
		1197
1084	if (width == 0)	1198	if (newwidth == 0)
1085	width = wattr.width - szHint.base_width;	1199	newwidth = wattr.width - szHint.base_width;
1086	if (height == 0)	1200	if (newheight == 0)
1087	height = wattr.height - szHint.base_height;	1201	newheight = wattr.height - szHint.base_height;
1088	}
1089	if (width != TermWin.width || height != TermWin.height)
1090	{	1202	}
		1203
		1204	if (newwidth != width || newheight != height)
		1205	{
1091	width += szHint.base_width;	1206	newwidth += szHint.base_width;
1092	height += szHint.base_height;	1207	newheight += szHint.base_height;
1093	resize_all_windows (width, height, 0);	1208	resize_all_windows (newwidth, newheight, 0);
1094	}	1209	}
1095	}	1210	}
1096		1211
1097	/* -------------------------------------------------------------------- *	1212	/* -------------------------------------------------------------------- *
1098	* - X INPUT METHOD ROUTINES - *	1213	* - X INPUT METHOD ROUTINES - *
1099	* -------------------------------------------------------------------- */	1214	* -------------------------------------------------------------------- */
1100	#ifdef USE_XIM	1215	#ifdef USE_XIM
1101		1216
1102	void	1217	void
		1218	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
		1219	{
		1220	fg = pix_colors[Color_fg];
		1221	bg = pix_colors[Color_bg];
		1222	}
		1223
		1224	void
1103	rxvt_term::im_set_size (XRectangle *size)	1225	rxvt_term::im_set_size (XRectangle &size)
1104	{	1226	{
1105	size->x = TermWin.int_bwidth;	1227	// the int_bwidth terms make no sense to me
1106	size->y = TermWin.int_bwidth;	1228	size.x = int_bwidth;
1107	size->width = Width2Pixel (TermWin.ncol);	1229	size.y = int_bwidth;
1108	size->height = Height2Pixel (TermWin.nrow);	1230	size.width = Width2Pixel (ncol) + int_bwidth;
		1231	size.height = Height2Pixel (nrow) + int_bwidth;
1109	}	1232	}
1110		1233
1111	void	1234	void
1112	rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)	1235	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1236	XRectangle &status_rect,
		1237	const XRectangle &needed_rect)
1113	{	1238	{
1114	*fg = PixColors[Color_fg];	1239	preedit_rect.x = needed_rect.width;
1115	*bg = PixColors[Color_bg];	1240	preedit_rect.y = 0;
		1241	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1242	preedit_rect.height = fheight;
		1243
		1244	status_rect.x = 0;
		1245	status_rect.y = 0;
		1246	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1247	status_rect.height = fheight;
1116	}	1248	}
1117		1249
1118	/* Checking whether input method is running. */	1250	/* Checking whether input method is running. */
1119	bool	1251	bool
1120	rxvt_term::IMisRunning ()	1252	rxvt_term::IMisRunning ()
1121	{	1253	{
1122	char *p;	1254	char *p;
1123	Atom atom;	1255	Atom atom;
1124	Window win;	1256	Window win;
1125	char server[IMBUFSIZ];	1257	char server[IMBUFSIZ];
1126		1258
1127	/* get current locale modifier */	1259	/* get current locale modifier */
1128	if ((p = XSetLocaleModifiers (NULL)) != NULL)	1260	if ((p = XSetLocaleModifiers (NULL)) != NULL)
1129	{	1261	{
1130	STRCPY (server, "@server=");	1262	strcpy (server, "@server=");
1131	STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1263	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1264
1132	if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */	1265	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1133	*p = '\0';	1266	*p = '\0';
1134		1267
1135	atom = XInternAtom (display->display, server, False);	1268	atom = XInternAtom (display->display, server, False);
1136	win = XGetSelectionOwner (display->display, atom);	1269	win = XGetSelectionOwner (display->display, atom);
		1270
1137	if (win != None)	1271	if (win != None)
1138	return True;	1272	return True;
1139	}	1273	}
		1274
1140	return False;	1275	return False;
1141	}	1276	}
1142		1277
1143	void	1278	void
1144	rxvt_term::IMSendSpot ()	1279	rxvt_term::IMSendSpot ()
1145	{	1280	{
1146	XPoint spot;	1281	XPoint nspot;
1147	XVaNestedList preedit_attr;	1282	XVaNestedList preedit_attr;
1148		1283
1149	if (Input_Context == NULL	1284	if (!Input_Context
		1285	|| !focus
1150	|| !TermWin.focus || ! (input_style & XIMPreeditPosition)	1286	|| !(input_style & XIMPreeditPosition))
1151	|| ! (event_type == KeyPress
1152	|| event_type == Expose
1153	|| event_type == NoExpose
1154	|| event_type == SelectionNotify
1155	|| event_type == ButtonRelease || event_type == FocusIn)
1156	|| !IMisRunning ())
1157	return;	1287	return;
1158		1288
1159	im_set_position (&spot);	1289	im_set_position (nspot);
		1290
		1291	if (nspot.x == spot.x && nspot.y == spot.y)
		1292	return;
		1293
		1294	spot = nspot;
1160		1295
1161	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);	1296	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1162	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1297	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1163	XFree (preedit_attr);	1298	XFree (preedit_attr);
1164	}	1299	}
1165		1300
1166	void	1301	void
1167	rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,
1168	XRectangle * needed_rect)
1169	{
1170	int mbh, vtx = 0;
1171
1172	if (scrollbar_visible () && ! (Options & Opt_scrollBar_right))
1173	vtx = scrollbar_TotalWidth ();
1174
1175	mbh = menubar_visible () ? menuBar_TotalHeight () : 0;
1176	mbh -= TermWin.lineSpace;
1177
1178	preedit_rect->x = needed_rect->width + vtx;
1179	preedit_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1180
1181	preedit_rect->width = Width2Pixel (TermWin.ncol + 1) - needed_rect->width + vtx;
1182	preedit_rect->height = Height2Pixel (1);
1183
1184	status_rect->x = vtx;
1185	status_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1186
1187	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel (TermWin.ncol + 1);
1188	status_rect->height = Height2Pixel (1);
1189	}
1190
1191	void
1192	rxvt_term::im_destroy ()	1302	rxvt_term::im_destroy ()
1193	{	1303	{
1194	if (Input_Context)
1195	{
1196	XDestroyIC (Input_Context);
1197	Input_Context = NULL;
1198	}
1199
1200	if (input_method)	1304	if (input_method)
1201	{	1305	{
		1306	if (Input_Context && input_method->xim)
		1307	XDestroyIC (Input_Context);
		1308
1202	display->put_xim (input_method);	1309	display->put_xim (input_method);
1203	input_method = 0;	1310	input_method = 0;
1204	}	1311	}
		1312
		1313	Input_Context = 0;
1205	}	1314	}
1206		1315
1207	/*	1316	/*
1208	* Try to open a XIM with the current modifiers, then see if we can	1317	* Try to open a XIM with the current modifiers, then see if we can
1209	* open a suitable preedit type	1318	* open a suitable preedit type
1210	*/	1319	*/
1211	bool	1320	bool
1212	rxvt_term::IM_get_IC (const char *modifiers)	1321	rxvt_term::IM_get_IC (const char *modifiers)
1213	{	1322	{
1214	int i, j, found;	1323	int i, j, found;
1215	XIM xim;	1324	XIM xim;
1216	XPoint spot;	1325	XPoint spot;
1217	XRectangle rect, status_rect, needed_rect;	1326	XRectangle rect, status_rect, needed_rect;
1218	unsigned long fg, bg;	1327	unsigned long fg, bg;
1219	const char *p;	1328	const char *p;
1220	char **s;	1329	char **s;
1221	XIMStyles *xim_styles;	1330	XIMStyles *xim_styles;
1222	XVaNestedList preedit_attr, status_attr;	1331
		1332	set_environ (envv);
1223		1333
1224	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))	1334	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1225	return false;	1335	return false;
1226		1336
1227	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));	1337	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1228	input_method = display->get_xim (locale, modifiers);	1338	input_method = display->get_xim (locale, modifiers);
1229	if (input_method == NULL)	1339	if (input_method == NULL)
1230	return false;	1340	return false;
1231		1341
1232	xim = input_method->xim;	1342	xim = input_method->xim;
		1343	spot.x = spot.y = -1;
1233		1344
1234	xim_styles = NULL;	1345	xim_styles = NULL;
1235	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1346	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1236	|| !xim_styles || !xim_styles->count_styles)	1347	|| !xim_styles || !xim_styles->count_styles)
1237	{	1348	{
1238	display->put_xim (input_method);	1349	im_destroy ();
1239	return false;	1350	return false;
1240	}	1351	}
1241		1352
1242	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";	1353	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1354
		1355	for (int pi = 0; pi < 2; pi++)
		1356	{
		1357	p = pet[pi];
		1358
		1359	if (!p)
		1360	continue;
		1361
1243	s = rxvt_splitcommastring (p);	1362	s = rxvt_splitcommastring (p);
		1363
1244	for (i = found = 0; !found && s[i]; i++)	1364	for (i = found = 0; !found && s[i]; i++)
1245	{	1365	{
1246	if (!STRCMP (s[i], "OverTheSpot"))	1366	if (!strcmp (s[i], "OverTheSpot"))
1247	input_style = (XIMPreeditPosition | XIMStatusNothing);	1367	input_style = (XIMPreeditPosition | XIMStatusNothing);
1248	else if (!STRCMP (s[i], "OffTheSpot"))	1368	else if (!strcmp (s[i], "OffTheSpot"))
1249	input_style = (XIMPreeditArea | XIMStatusArea);	1369	input_style = (XIMPreeditArea | XIMStatusArea);
1250	else if (!STRCMP (s[i], "Root"))	1370	else if (!strcmp (s[i], "Root"))
1251	input_style = (XIMPreeditNothing | XIMStatusNothing);	1371	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1372	else if (!strcmp (s[i], "None"))
		1373	input_style = (XIMPreeditNone | XIMStatusNone);
1252		1374
1253	for (j = 0; j < xim_styles->count_styles; j++)	1375	for (j = 0; j < xim_styles->count_styles; j++)
1254	if (input_style == xim_styles->supported_styles[j])	1376	if (input_style == xim_styles->supported_styles[j])
1255	{	1377	{
		1378	rxvt_freecommastring (s);
		1379
1256	found = 1;	1380	found = 1;
1257	break;	1381	goto foundpet;
		1382	}
		1383
1258	}	1384	}
1259	}
1260		1385
1261	for (i = 0; s[i]; i++)	1386	rxvt_freecommastring (s);
1262	free (s[i]);	1387	}
1263		1388
1264	free (s);	1389	foundpet:
		1390
1265	XFree (xim_styles);	1391	XFree (xim_styles);
1266		1392
1267	if (!found)	1393	if (!found)
1268	{	1394	{
1269	display->put_xim (input_method);	1395	im_destroy ();
1270	return false;	1396	return false;
1271	}	1397	}
1272		1398
1273	preedit_attr = status_attr = NULL;	1399	XFontSet fs = 0;
		1400	XVaNestedList preedit_attr = 0, status_attr = 0;
		1401
		1402	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1403	{
		1404	// fake us a font-set, please
		1405	char **missing_charset_list;
		1406	int missing_charset_count;
		1407	char *def_string;
		1408	char pat[512];
		1409
		1410	sprintf (pat,
		1411	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1412	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1413	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1414	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1415	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1416	"*",
		1417	fheight,
		1418	fheight + 1, fheight - 1,
		1419	fheight - 2, fheight + 2);
		1420
		1421	fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1422	&missing_charset_list, &missing_charset_count, &def_string);
		1423
		1424	if (missing_charset_list)
		1425	XFreeStringList (missing_charset_list);
		1426
		1427	if (!fs)
		1428	{
		1429	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1430	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1431	}
		1432	}
1274		1433
1275	if (input_style & XIMPreeditPosition)	1434	if (input_style & XIMPreeditPosition)
1276	{	1435	{
1277	im_set_size (&rect);	1436	im_set_size (rect);
1278	im_set_position (&spot);	1437	im_set_position (spot);
1279	im_set_color (&fg, &bg);	1438	im_set_color (fg, bg);
1280		1439
1281	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1440	preedit_attr = XVaCreateNestedList (0,
		1441	XNForeground, fg,
		1442	XNBackground, bg,
		1443	XNArea, &rect,
1282	XNSpotLocation, &spot,	1444	XNSpotLocation, &spot,
1283	XNForeground, fg, XNBackground, bg,
1284	//XNFontSet, TermWin.fontset,	1445	XNFontSet, fs,
1285	NULL);	1446	NULL);
1286	}	1447	}
1287	else if (input_style & XIMPreeditArea)	1448	else if (input_style & XIMPreeditArea)
1288	{	1449	{
1289	im_set_color (&fg, &bg);	1450	im_set_color (fg, bg);
1290		1451
1291	/*	1452	/*
1292	* The necessary width of preedit area is unknown	1453	* The necessary width of preedit area is unknown
1293	* until create input context.	1454	* until create input context.
1294	*/	1455	*/
1295	needed_rect.width = 0;	1456	needed_rect.width = 0;
1296
1297	im_set_preedit_area (&rect, &status_rect, &needed_rect);	1457	im_set_preedit_area (rect, status_rect, needed_rect);
1298		1458
1299	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1459	preedit_attr = XVaCreateNestedList (0,
		1460	XNForeground, fg,
1300	XNForeground, fg, XNBackground, bg,	1461	XNBackground, bg,
		1462	XNArea, &rect,
		1463	XNFontSet, fs,
		1464	NULL);
		1465	status_attr = XVaCreateNestedList (0,
		1466	XNForeground, fg,
		1467	XNBackground, bg,
		1468	XNArea, &status_rect,
1301	//XNFontSet, TermWin.fontset,	1469	XNFontSet, fs,
1302	NULL);	1470	NULL);
1303	status_attr = XVaCreateNestedList (0, XNArea, &status_rect,
1304	XNForeground, fg, XNBackground, bg,
1305	//XNFontSet, TermWin.fontset,
1306	NULL);
1307	}	1471	}
1308		1472
1309	Input_Context = XCreateIC (xim, XNInputStyle, input_style,	1473	Input_Context = XCreateIC (xim,
		1474	XNInputStyle, input_style,
1310	XNClientWindow, TermWin.parent[0],	1475	XNClientWindow, vt,
1311	XNFocusWindow, TermWin.parent[0],	1476	XNFocusWindow, parent[0],
1312	preedit_attr ? XNPreeditAttributes : NULL,	1477	preedit_attr ? XNPreeditAttributes : NULL,
1313	preedit_attr,	1478	preedit_attr,
1314	status_attr ? XNStatusAttributes : NULL,	1479	status_attr ? XNStatusAttributes : NULL,
1315	status_attr, NULL);	1480	status_attr, NULL);
		1481
1316	if (preedit_attr) XFree (preedit_attr);	1482	if (preedit_attr) XFree (preedit_attr);
1317	if (status_attr) XFree (status_attr);	1483	if (status_attr) XFree (status_attr);
		1484	if (fs) XFreeFontSet (display->display, fs);
1318		1485
1319	if (Input_Context == NULL)	1486	if (Input_Context == NULL)
1320	{	1487	{
1321	rxvt_print_error ("failed to create input context");	1488	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1322	display->put_xim (input_method);	1489	im_destroy ();
1323	return false;	1490	return false;
1324	}	1491	}
1325		1492
1326	if (input_style & XIMPreeditArea)	1493	if (input_style & XIMPreeditArea)
1327	IMSetStatusPosition ();	1494	IMSetStatusPosition ();
…		…
1331	}	1498	}
1332		1499
1333	void	1500	void
1334	rxvt_term::im_cb ()	1501	rxvt_term::im_cb ()
1335	{	1502	{
1336	int i, found, had_im;	1503	int i;
1337	const char *p;	1504	const char *p;
1338	char **s;	1505	char **s;
1339	char buf[IMBUFSIZ];	1506	char buf[IMBUFSIZ];
1340		1507
		1508	make_current ();
		1509
1341	im_destroy ();	1510	im_destroy ();
1342		1511
1343	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));	1512	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1344	if (Input_Context)	1513	if (Input_Context)
1345	return;	1514	return;
…		…
1353	if (p && *p)	1522	if (p && *p)
1354	{	1523	{
1355	bool found = false;	1524	bool found = false;
1356		1525
1357	s = rxvt_splitcommastring (p);	1526	s = rxvt_splitcommastring (p);
		1527
1358	for (i = 0; s[i]; i++)	1528	for (i = 0; s[i]; i++)
1359	{	1529	{
1360	if (*s[i])	1530	if (*s[i])
1361	{	1531	{
1362	STRCPY (buf, "@im=");	1532	strcpy (buf, "@im=");
1363	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1533	strncat (buf, s[i], IMBUFSIZ - 5);
1364	if (IM_get_IC (buf))	1534	if (IM_get_IC (buf))
1365	{	1535	{
1366	found = true;	1536	found = true;
1367	break;	1537	break;
1368	}	1538	}
1369	}	1539	}
1370	}	1540	}
1371	for (i = 0; s[i]; i++)	1541
1372	free (s[i]);	1542	rxvt_freecommastring (s);
1373	free (s);
1374		1543
1375	if (found)	1544	if (found)
1376	goto done;	1545	goto done;
1377	}	1546	}
1378		1547
…		…
1392	}	1561	}
1393		1562
1394	void	1563	void
1395	rxvt_term::IMSetStatusPosition ()	1564	rxvt_term::IMSetStatusPosition ()
1396	{	1565	{
1397	XRectangle preedit_rect, status_rect, *needed_rect;	1566	XRectangle preedit_rect, status_rect, *needed_rect;
1398	XVaNestedList preedit_attr, status_attr;	1567	XVaNestedList preedit_attr, status_attr;
1399		1568
1400	if (Input_Context == NULL	1569	if (!Input_Context
		1570	|| !focus
1401	|| !TermWin.focus || ! (input_style & XIMPreeditArea)	1571	|| !(input_style & XIMPreeditArea)
1402	|| !IMisRunning ())	1572	|| !IMisRunning ())
1403	return;	1573	return;
1404		1574
1405	/* Getting the necessary width of preedit area */	1575	/* Getting the necessary width of preedit area */
1406	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);	1576	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1407	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);	1577	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1408	XFree (status_attr);	1578	XFree (status_attr);
1409		1579
1410	im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);	1580	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1581	XFree (needed_rect);
1411		1582
1412	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);	1583	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1413	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);	1584	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1414		1585
1415	XSetICValues (Input_Context,	1586	XSetICValues (Input_Context,
1416	XNPreeditAttributes, preedit_attr,	1587	XNPreeditAttributes, preedit_attr,
1417	XNStatusAttributes, status_attr, NULL);	1588	XNStatusAttributes, status_attr, NULL);
1418		1589
1419	XFree (preedit_attr);	1590	XFree (preedit_attr);
1420	XFree (status_attr);	1591	XFree (status_attr);
1421	}	1592	}
1422	#endif /* USE_XIM */	1593	#endif /* USE_XIM */
1423		1594
1424	/*----------------------------------------------------------------------*/
1425	rxvt_t rxvt_current_term;
1426
1427	/*----------------------- end-of-file (C source) -----------------------*/	1595	/*----------------------- end-of-file (C source) -----------------------*/

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