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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.53 by pcg, Sun Mar 14 17:33:07 2004 UTC vs.
Revision 1.403 by root, Thu Jun 17 00:49:20 2021 UTC

1	/*--------------------------------*-C-*---------------------------------*;	1	/*----------------------------------------------------------------------*
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) 2003-2014 Marc Lehmann <schmorp@schmorp.de>
		17	* Copyright (c) 2015 Emanuele Giaquinta <e.giaquinta@glauco.it>
17	*	18	*
18	* This program is free software; you can redistribute it and/or modify	19	* 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	20	* 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	21	* the Free Software Foundation; either version 3 of the License, or
21	* (at your option) any later version.	22	* (at your option) any later version.
22	*	23	*
23	* This program is distributed in the hope that it will be useful,	24	* This program is distributed in the hope that it will be useful,
24	* but WITHOUT ANY WARRANTY; without even the implied warranty of	25	* but WITHOUT ANY WARRANTY; without even the implied warranty of
25	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	26	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
…		…
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	31	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	32	*---------------------------------------------------------------------*/
32		33
33	#include "../config.h" /* NECESSARY */	34	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	35	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	36	#include "init.h"
		37	#include "keyboard.h"
		38	#include "rxvtperl.h"
36		39
		40	#include <limits>
		41
		42	#include <assert.h>
37	#include <signal.h>	43	#include <signal.h>
38
39	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>	44	#include <string.h>
41	#endif
42		45
43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	46	#include <termios.h>
45	#endif
46		47
47	#include <cstring>	48	#ifdef HAVE_XSETLOCALE
		49	# define X_LOCALE
		50	# include <X11/Xlocale.h>
		51	#else
		52	# include <locale.h>
		53	#endif
48		54
		55	struct termios rxvt_term::def_tio;
		56	vector<rxvt_term *> rxvt_term::termlist;
		57
		58	// used to tell global functions which terminal instance is "active"
		59	rxvt_t rxvt_current_term;
		60
49	static char curlocale[128];	61	static char curlocale[128], savelocale[128];
50		62
51	void	63	bool
52	rxvt_set_locale (const char *locale)	64	rxvt_set_locale (const char *locale) noexcept
53	{	65	{
54	if (locale && STRNCMP (locale, curlocale, 128))	66	int size = strlen (locale) + 1;
55	{	67
56	STRNCPY (curlocale, locale, 128);	68	if (size > sizeof (curlocale))
		69	rxvt_fatal ("locale string too long, aborting.\n");
		70
		71	if (!locale || !memcmp (locale, curlocale, size))
		72	return false;
		73
		74	memcpy (curlocale, locale, size);
57	setlocale (LC_CTYPE, curlocale);	75	setlocale (LC_CTYPE, curlocale);
58	}	76	return true;
		77	}
		78
		79	void
		80	rxvt_push_locale (const char *locale) noexcept
		81	{
		82	strcpy (savelocale, curlocale);
		83	rxvt_set_locale (locale);
		84	}
		85
		86	void
		87	rxvt_pop_locale () noexcept
		88	{
		89	rxvt_set_locale (savelocale);
59	}	90	}
60		91
61	#if ENABLE_COMBINING	92	#if ENABLE_COMBINING
62	class rxvt_composite_vec rxvt_composite;	93	class rxvt_composite_vec rxvt_composite;
63		94
64	text_t rxvt_composite_vec::compose (uint32_t c1, uint32_t c2)	95	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
65	{	96	{
66	compose_char *cc;	97	compose_char *cc;
67		98
68	// break compose chains, as stupid readline really likes to duplicate	99	// break compose chains, as stupid readline really likes to duplicate
69	// composing characters for some reason near the end of a line.	100	// composing characters for some reason, near the end of a line.
70	cc = (*this)[c1];	101	cc = (*this)[c1];
71	while (cc)	102	while (cc)
72	{	103	{
73	if (cc->c2 == c2) return c1;	104	if (cc->c2 == c2) return c1;
74	cc = (*this)[cc->c1];	105	cc = (*this)[cc->c1];
75	}	106	}
76		107
77	// check to see wether this combination already exists otherwise	108	// check to see whether this combination already exists otherwise
78	for (cc = v.end (); cc-- > v.begin (); )	109	for (cc = v.begin (); cc < v.end (); cc++)
79	{
80	if (cc->c1 == c1 && cc->c2 == c2)	110	if (cc->c1 == c1 && cc->c2 == c2)
81	return COMPOSE_LO + (cc - v.begin ());	111	return COMPOSE_LO + (cc - v.begin ());
82	}
83		112
84	// allocate a new combination	113	// allocate a new combination
85	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)	114	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
86	{	115	{
87	static int seen;	116	static int seen;
88		117
89	if (!seen++)	118	if (!seen++)
90	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");	119	rxvt_warn ("too many unrepresentable composite characters, try --enable-unicode3\n");
91		120
92	return REPLACEMENT_CHAR;	121	return REPLACEMENT_CHAR;
93	}	122	}
94		123
95	v.push_back (compose_char (c1, c2));	124	v.push_back (compose_char (c1, c2));
96		125
97	return v.size () - 1 + COMPOSE_LO;	126	return v.size () - 1 + COMPOSE_LO;
98	}	127	}
99		128
		129	template<typename T>
100	int rxvt_composite_vec::expand (uint32_t c, wchar_t *r)	130	int rxvt_composite_vec::expand (unicode_t c, T *r)
101	{	131	{
102	compose_char *cc = (*this)[c];	132	compose_char *cc = (*this)[c];
103		133
104	if (!cc)	134	if (!cc)
105	{	135	{
…		…
116	len++;	146	len++;
117	if (r) *r++ = cc->c2;	147	if (r) *r++ = cc->c2;
118	}	148	}
119		149
120	return len;	150	return len;
121
122	}	151	}
123	#endif
124		152
125	void *	153	template int rxvt_composite_vec::expand<text_t> (unicode_t c, text_t *);
126	rxvt_term::operator new (size_t s)	154	template int rxvt_composite_vec::expand<wchar_t> (unicode_t c, wchar_t *);
127	{	155	#endif
128	void *p = malloc (s);
129
130	MEMSET (p, 0, s);
131	return p;
132	}
133
134	void
135	rxvt_term::operator delete (void *p, size_t s)
136	{
137	free (p);
138	}
139		156
140	rxvt_term::rxvt_term ()	157	rxvt_term::rxvt_term ()
141	:	158	{
142	rootwin_ev (this, &rxvt_term::rootwin_cb),
143	termwin_ev (this, &rxvt_term::x_cb),
144	vt_ev (this, &rxvt_term::x_cb),
145	#ifdef HAVE_SCROLLBARS
146	scrollbar_ev (this, &rxvt_term::x_cb),
147	#endif
148	#ifdef MENUBAR
149	menubar_ev (this, &rxvt_term::x_cb),
150	#endif
151	#ifdef CURSOR_BLINK	159	#ifdef CURSOR_BLINK
152	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),	160	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
153	#endif	161	#endif
154	#ifdef TEXT_BLINK	162	#ifdef TEXT_BLINK
155	text_blink_ev (this, &rxvt_term::text_blink_cb),	163	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
		164	#endif
		165	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		166	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
		167	#endif
		168	#ifdef SELECTION_SCROLLING
		169	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
		170	#endif
		171	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		172	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		173	#endif
		174	#if ENABLE_PERL
		175	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		176	#endif
		177	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		178	#if USE_XIM
		179	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
156	#endif	180	#endif
157	#ifdef POINTER_BLANK	181	#ifdef POINTER_BLANK
158	pointer_ev (this, &rxvt_term::pointer_cb),	182	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
159	#endif	183	#endif
160	#ifdef USE_XIM	184	#ifndef NO_BELL
161	im_ev (this, &rxvt_term::im_cb),	185	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
162	#endif	186	#endif
163	check_ev (this, &rxvt_term::check_cb),	187	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
164	destroy_ev (this, &rxvt_term::destroy_cb),	188	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
165	pty_ev (this, &rxvt_term::pty_cb),	189	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
166	incr_ev (this, &rxvt_term::incr_cb)	190	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
167	{	191	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		192	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
		193
168	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	194	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		195
		196	termlist.push_back (this);
		197
		198	#ifdef KEYSYM_RESOURCE
		199	keyboard = new keyboard_manager;
		200	#endif
		201	}
		202
		203	// clean up the most important stuff, do *not* call x or free mem etc.
		204	// for use before an emergency exit
		205	void
		206	rxvt_term::emergency_cleanup ()
		207	{
		208	if (cmd_pid)
		209	kill (-cmd_pid, SIGHUP);
		210
		211	pty_ev.stop ();
		212	delete pty; pty = 0;
169	}	213	}
170		214
171	rxvt_term::~rxvt_term ()	215	rxvt_term::~rxvt_term ()
172	{	216	{
173	if (cmd_fd >= 0)	217	termlist.erase (find (termlist.begin (), termlist.end(), this));
174	close (cmd_fd);
175		218
176	#ifndef NO_SETOWNER_TTYDEV	219	emergency_cleanup ();
177	privileged_ttydev (RESTORE);
178	#endif
179	#ifdef UTMP_SUPPORT
180	privileged_utmp (RESTORE);
181	#endif
182		220
		221	#if ENABLE_STYLES
		222	for (int i = RS_styleCount; --i; )
		223	if (fontset[i] != fontset[0])
		224	delete fontset[i];
		225	#endif
183	delete TermWin.fontset;	226	delete fontset[0];
		227
		228	#if HAVE_IMG
		229	delete bg_img;
		230	#endif
184		231
185	if (display)	232	if (display)
186	{	233	{
187	#if defined(MENUBAR) && (MENUBAR_MAX > 1)	234	selection_clear ();
		235	selection_clear (true);
		236
		237	#if USE_XIM
		238	im_destroy ();
		239	#endif
		240	scrollBar.destroy ();
		241
		242	if (gc)
		243	XFreeGC (dpy, gc);
		244
188	delete menuBar.drawable;	245	delete drawable;
189	//if (menuBar.win)	246
190	// XDestroyWindow (display->display, menuBar.win);
191	#endif
192	delete TermWin.drawable;
193	// destroy all windows	247	// destroy all windows
194	if (TermWin.parent[0])	248	if (parent)
195	XDestroyWindow (display->display, TermWin.parent[0]);	249	XDestroyWindow (dpy, parent);
196	}
197		250
198	// TODO: free pixcolours, colours should become part of rxvt_display	251	for (int i = 0; i < TOTAL_COLORS; i++)
		252	if (ISSET_PIXCOLOR (i))
		253	{
		254	pix_colors_focused [i].free (this);
		255	#if OFF_FOCUS_FADING
		256	if (rs[Rs_fade])
		257	pix_colors_unfocused [i].free (this);
		258	#endif
		259	}
199		260
200	delete PixColors;	261	clear ();
201		262
		263	display->flush (); /* ideally .put should do this */
202	displays.put (display);	264	displays.put (display);
		265	}
203		266
204	scr_release ();	267	scr_release ();
205		268
206	free (env_windowid);	269	/* clear all resources */
207	free (env_display);	270	for (int i = 0; i < allocated.size (); i++)
208	free (env_term);	271	free (allocated [i]);
209	free (env_colorfgbg);	272
		273	free (selection.text);
		274	free (selection.clip_text);
210	free (locale);	275	free (locale);
211	free (codeset);	276	free (v_buffer);
		277
		278	delete selection_req;
		279
		280	if (env && memcmp (env, envv->begin (), envv->size () * sizeof (char *)))
		281	rxvt_warn ("env has been modified, probably as a result of a lib calling setenv.\n");
		282
		283	delete [] env;
212		284
213	delete envv;	285	delete envv;
214	delete argv;	286	delete argv;
		287
		288	#ifdef KEYSYM_RESOURCE
		289	delete keyboard;
		290	#endif
		291	#ifndef NO_RESOURCES
		292	XrmDestroyDatabase (option_db);
		293	#endif
		294
		295	SET_R ((rxvt_term *)0);
		296	}
		297
		298	// child has exited, usually destroys
		299	void
		300	rxvt_term::child_cb (ev::child &w, int status)
		301	{
		302	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		303
		304	cmd_pid = 0;
		305
		306	if (!option (Opt_hold))
		307	destroy ();
215	}	308	}
216		309
217	void	310	void
218	rxvt_term::destroy ()	311	rxvt_term::destroy ()
219	{	312	{
		313	if (destroy_ev.is_active ())
		314	return;
		315
		316	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
		317
		318	#if ENABLE_OVERLAY
		319	scr_overlay_off ();
		320	#endif
		321
220	if (display)	322	if (display)
221	{	323	{
		324	#if USE_XIM
		325	im_ev.stop (display);
		326	#endif
		327	scrollbar_ev.stop (display);
		328	#if ENABLE_PERL
222	rootwin_ev.stop (display);	329	rootwin_ev.stop (display);
		330	#endif
223	termwin_ev.stop (display);	331	termwin_ev.stop (display);
224	vt_ev.stop (display);	332	vt_ev.stop (display);
225	#ifdef USE_XIM
226	im_destroy ();
227	im_ev.stop (display);
228	#endif
229	#ifdef HAVE_SCROLLBARS
230	scrollbar_ev.stop (display);
231	#endif
232	#ifdef MENUBAR
233	menubar_ev.stop (display);
234	#endif
235	}	333	}
236		334
237	check_ev.stop ();	335	flush_ev.stop ();
238	pty_ev.stop ();	336	pty_ev.stop ();
239	#ifdef CURSOR_BLINK	337	#ifdef CURSOR_BLINK
240	cursor_blink_ev.stop ();	338	cursor_blink_ev.stop ();
241	#endif	339	#endif
242	#ifdef TEXT_BLINK	340	#ifdef TEXT_BLINK
243	text_blink_ev.stop ();	341	text_blink_ev.stop ();
244	#endif	342	#endif
		343	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		344	cont_scroll_ev.stop ();
		345	#endif
		346	#ifdef SELECTION_SCROLLING
		347	sel_scroll_ev.stop ();
		348	#endif
245	#ifdef POINTER_BLANK	349	#ifdef POINTER_BLANK
246	pointer_ev.stop ();	350	pointer_ev.stop ();
247	#endif	351	#endif
248		352
249	destroy_ev.start (0);	353	destroy_ev.start ();
250	}	354	}
251		355
252	void	356	void
253	rxvt_term::destroy_cb (time_watcher &w)	357	rxvt_term::destroy_cb (ev::idle &w, int revents)
254	{	358	{
255	SET_R (this);	359	make_current ();
256		360
257	delete this;	361	delete this;
258	}	362	}
259		363
260	/*----------------------------------------------------------------------*/
261	/* rxvt_init () */
262	/* LIBPROTO */
263	rxvt_t
264	rxvt_init (int argc, const char *const *argv)
265	{
266	SET_R (new rxvt_term);
267
268	if (!GET_R->init_vars () || !GET_R->init (argc, argv))
269	{
270	delete GET_R;
271	SET_R (0);
272	}
273
274	return GET_R;
275	}
276
277	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
278
279	void	364	void
280	rxvt_init_signals ()	365	rxvt_term::set_option (uint8_t opt, bool set) noexcept
281	{	366	{
282	/* install exit handler for cleanup */	367	if (!opt)
283	#if 0
284	#ifdef HAVE_ATEXIT
285	atexit (rxvt_clean_exit);
286	#else
287	#endif
288	#endif
289
290	struct sigaction sa;
291
292	sigfillset (&sa.sa_mask);
293	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
294	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
295	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
296	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
297	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
298	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
299	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
300
301	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
302	/* signal (SIGURG, SIG_DFL); */
303
304	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
305	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
306	}
307
308	bool
309	rxvt_term::init (int argc, const char *const *argv)
310	{
311	/*
312	* Save and then give up any super-user privileges
313	* If we need privileges in any area then we must specifically request it.
314	* We should only need to be root in these cases:
315	* 1. write utmp entries on some systems
316	* 2. chown tty on some systems
317	*/
318	privileges (SAVE);
319	privileges (IGNORE);
320
321	init_secondary ();
322
323	const char **cmd_argv = init_resources (argc, argv);
324
325	set_locale ("");
326
327	#if MENUBAR_MAX
328	menubar_read (rs[Rs_menu]);
329	#endif
330	#ifdef HAVE_SCROLLBARS
331	if (Options & Opt_scrollBar)
332	scrollBar.setIdle (); /* set existence for size calculations */
333	#endif
334
335	create_windows (argc, argv);
336
337	init_xlocale ();
338
339	scr_reset (); /* initialize screen */
340
341	#if 0
342	XSynchronize (display->display, True);
343	#endif
344
345	#ifdef HAVE_SCROLLBARS
346	if (Options & Opt_scrollBar)
347	resize_scrollbar (); /* create and map scrollbar */
348	#endif
349	#if (MENUBAR_MAX)
350	if (menubar_visible ())
351	XMapWindow (display->display, menuBar.win);
352	#endif
353	#ifdef TRANSPARENT
354	if (Options & Opt_transparent)
355	{
356	XSelectInput (display->display, display->root, PropertyChangeMask);
357	check_our_parents ();
358	}
359	#endif
360
361	rootwin_ev.start (display, display->root);
362
363	XMapWindow (display->display, TermWin.vt);
364	XMapWindow (display->display, TermWin.parent[0]);
365
366	init_command (cmd_argv);
367
368	pty_ev.start (cmd_fd, EVENT_READ);
369
370	check_ev.start ();
371
372	return true;
373	}
374
375	/* ------------------------------------------------------------------------- *
376	* SIGNAL HANDLING & EXIT HANDLER *
377	* ------------------------------------------------------------------------- */
378	/*
379	* Catch a SIGCHLD signal and exit if the direct child has died
380	*/
381	/* ARGSUSED */
382	/* EXTPROTO */
383	RETSIGTYPE
384	rxvt_Child_signal (int sig __attribute__ ((unused)))
385	{
386	int pid, save_errno = errno;
387	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
388	;
389	errno = save_errno;
390
391	#if 0
392	if (pid == cmd_pid)
393	exit (EXIT_SUCCESS);
394	#endif
395	}
396
397	/*
398	* Catch a fatal signal and tidy up before quitting
399	*/
400	/* EXTPROTO */
401	RETSIGTYPE
402	rxvt_Exit_signal (int sig)
403	{
404	signal (sig, SIG_DFL);
405	#ifdef DEBUG_CMD
406	rxvt_print_error ("signal %d", sig);
407	#endif
408	rxvt_clean_exit ();
409	kill (getpid (), sig);
410	}
411
412	/* INTPROTO */
413	int
414	rxvt_xerror_handler (Display *display, XErrorEvent *event)
415	{
416	if (GET_R->allowedxerror == -1)
417	GET_R->allowedxerror = event->error_code;
418	else
419	{
420	old_xerror_handler (display, event);
421	GET_R->destroy ();
422	}
423
424	return 0;	368	return;
		369
		370	uint8_t mask = 1 << (opt & 7);
		371	uint8_t &val = options [opt >> 3];
		372
		373	val = val & ~mask | (set ? mask : 0);
425	}	374	}
426		375
427	/*----------------------------------------------------------------------*/	376	/*----------------------------------------------------------------------*/
428	/*	377	/*
429	* Exit gracefully, clearing the utmp entry and restoring tty attributes	378	* Exit gracefully, clearing the utmp entry and restoring tty attributes
430	* TODO: if debugging, this should free up any known resources if we can
431	*/	379	*/
432	/* EXTPROTO */	380	static XErrorHandler old_xerror_handler;
433	void
434	rxvt_clean_exit ()
435	{
436	// TODO: rxvtd should clean up all ressources
437	if (GET_R)
438	GET_R->destroy ();
439	}
440		381
441	/* ------------------------------------------------------------------------- *	382	static void
442	* MEMORY ALLOCATION WRAPPERS *	383	rxvt_emergency_cleanup ()
443	* ------------------------------------------------------------------------- */
444	/* EXTPROTO */
445	void *
446	rxvt_malloc (size_t size)
447	{	384	{
448	void *p;	385	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
449		386	(*t)->emergency_cleanup ();
450	p = malloc (size);
451	if (p)
452	return p;
453
454	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");
455	rxvt_clean_exit ();
456	exit (EXIT_FAILURE);
457	/* NOTREACHED */
458	}	387	}
459		388
460	/* EXTPROTO */	389	#if !ENABLE_MINIMAL
461	void *	390	static void ecb_cold
462	rxvt_calloc (size_t number, size_t size)	391	print_x_error (Display *dpy, XErrorEvent *event)
463	{	392	{
464	void *p;	393	char buffer[BUFSIZ];
		394	char mesg[BUFSIZ];
		395	char number[32];
465		396
466	p = calloc (number, size);	397	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
467	if (p)
468	return p;
469		398
470	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");	399	XGetErrorDatabaseText (dpy, "XlibMessage", "ErrorSerial", "Error Serial #%d", mesg, BUFSIZ);
471	rxvt_clean_exit ();	400	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->serial);
472	exit (EXIT_FAILURE);
473	/* NOTREACHED */
474	}
475		401
476	/* EXTPROTO */	402	XGetErrorText (dpy, event->error_code, buffer, BUFSIZ);
477	void *	403	XGetErrorDatabaseText (dpy, "XlibMessage", "XError", "X Error", mesg, BUFSIZ);
478	rxvt_realloc (void *ptr, size_t size)	404	rxvt_warn ("+ %s: %s\n", mesg, buffer);
479	{
480	void *p;
481		405
482	if (ptr)	406	XGetErrorDatabaseText (dpy, "XlibMessage", "MajorCode", "Request Major code %d", mesg, BUFSIZ);
483	p = realloc (ptr, size);	407	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->request_code);
		408
		409	if (event->request_code >= 128)
		410	{
		411	#if 0
		412	/* XListExtensions and probably query extensions hangs when there are multiple queues errors */
		413	int nexts;
		414	char **exts = XListExtensions (dpy, &nexts);
		415
		416	while (nexts)
		417	{
		418	char *extname = exts [nexts - 1];
		419	int major, first_event, first_error;
		420
		421	if (XQueryExtension (dpy, extname, &major, &first_event, &first_error) && major == event->request_code)
		422	{
		423	XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
		424	rxvt_warn ("+ (which is extension %s minor code %d)\n", extname, event->minor_code);
		425
		426	snprintf (buffer, BUFSIZ, "%s.%d", extname, event->minor_code);
		427	XGetErrorDatabaseText (dpy, "XRequest", buffer, "an unregistered minor code", buffer, BUFSIZ);
		428	rxvt_warn ("+ (which is %s)\n", buffer);
		429
		430	break;
		431	}
		432
		433	printf ("nextss %d %s\n", nexts, extname);//D
		434	--nexts;
		435	++exts;
		436	}
		437	#else
		438	int nexts = 0;
		439	char **exts = 0;
		440	#endif
		441
		442	if (!nexts)
		443	{
		444	rxvt_warn ("+ (which is an unknown extension)\n", buffer);
		445
		446	XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
		447	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->minor_code);
		448
		449	#if 0
		450	sprintf (number, "RENDER.%d", event->minor_code);
		451	XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
		452	rxvt_warn ("+ (which is %s)\n", buffer);
		453	#endif
		454	}
		455
		456	XFreeExtensionList (exts);
		457	}
484	else	458	else
485	p = malloc (size);	459	{
486	if (p)	460	sprintf (number, "%d", event->request_code);
		461	XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
		462	rxvt_warn ("+ (which is %s)\n", buffer);
		463	}
		464
		465	if (event->error_code == BadWindow
		466	|| event->error_code == BadPixmap
		467	|| event->error_code == BadCursor
		468	|| event->error_code == BadFont
		469	|| event->error_code == BadDrawable
		470	|| event->error_code == BadColor
		471	|| event->error_code == BadGC
		472	|| event->error_code == BadIDChoice
		473	|| event->error_code == BadValue
		474	|| event->error_code == BadAtom)
		475	{
		476	if (event->error_code == BadValue)
		477	XGetErrorDatabaseText (dpy, "XlibMessage", "Value", "Value 0x%x", mesg, BUFSIZ);
		478	else if (event->error_code == BadAtom)
		479	XGetErrorDatabaseText (dpy, "XlibMessage", "AtomID", "AtomID 0x%x", mesg, BUFSIZ);
		480	else
		481	XGetErrorDatabaseText (dpy, "XlibMessage", "ResourceID", "ResourceID 0x%x", mesg, BUFSIZ);
		482
		483	snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->resourceid);
		484	}
		485	}
		486	#endif
		487
		488	int ecb_cold
		489	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		490	{
		491	if (GET_R && GET_R->allowedxerror == -1)
		492	GET_R->allowedxerror = event->error_code;
		493	else
		494	{
		495	// GET_R is most likely not the terminal which caused the error,
		496	// so just output the error and continue
		497	#if ENABLE_MINIMAL
		498	old_xerror_handler (display, event);
		499	#else
		500	print_x_error (display, event);
		501	#endif
		502	}
		503
487	return p;	504	return 0;
		505	}
488		506
489	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");	507	int ecb_cold
490	rxvt_clean_exit ();	508	rxvt_xioerror_handler (Display *display)
		509	{
		510	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		511	DisplayString (display));
		512	rxvt_emergency_cleanup ();
491	exit (EXIT_FAILURE);	513	_exit (EXIT_FAILURE);
492	/* NOTREACHED */
493	}	514	}
494		515
495	/* ------------------------------------------------------------------------- *	516	static struct sig_handlers
496	* PRIVILEGED OPERATIONS *
497	* ------------------------------------------------------------------------- */
498	/* take care of suid/sgid super-user (root) privileges */
499	void
500	rxvt_term::privileges (int mode)
501	{	517	{
502	#if ! defined(__CYGWIN32__)	518	ev::sig sw_term, sw_int;
503	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	519
504	/* setreuid () is the poor man's setuid (), seteuid () */	520	/*
505	# define seteuid(a) setreuid(-1, (a))	521	* Catch a fatal signal and tidy up before quitting
506	# define setegid(a) setregid(-1, (a))	522	*/
507	# define HAVE_SETEUID	523	void sig_term (ev::sig &w, int revents);
		524
		525	sig_handlers ()
		526	{
		527	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		528	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
		529	}
		530	} sig_handlers;
		531
		532	void
		533	sig_handlers::sig_term (ev::sig &w, int revents)
		534	{
		535	rxvt_emergency_cleanup ();
		536	w.stop ();
		537	kill (getpid (), w.signum);
		538	}
		539
		540	static void
		541	rxvt_get_ttymode (struct termios *tio)
		542	{
		543	if (tcgetattr (STDIN_FILENO, tio) < 0)
		544	memset (tio, 0, sizeof (struct termios));
		545
		546	for (int i = 0; i < NCCS; i++)
		547	tio->c_cc[i] = VDISABLE;
		548
		549	tio->c_cc[VINTR] = CINTR;
		550	tio->c_cc[VQUIT] = CQUIT;
		551	tio->c_cc[VERASE] = CERASE;
		552	#ifdef VERASE2
		553	tio->c_cc[VERASE2] = CERASE2;
		554	#endif
		555	tio->c_cc[VKILL] = CKILL;
		556	tio->c_cc[VEOF] = CEOF;
		557	tio->c_cc[VSTART] = CSTART;
		558	tio->c_cc[VSTOP] = CSTOP;
		559	tio->c_cc[VSUSP] = CSUSP;
		560	# ifdef VDSUSP
		561	tio->c_cc[VDSUSP] = CDSUSP;
508	# endif	562	# endif
509	# ifdef HAVE_SETEUID	563	# ifdef VREPRINT
510	switch (mode)	564	tio->c_cc[VREPRINT] = CRPRNT;
511	{
512	case IGNORE:
513	/*
514	* change effective uid/gid - not real uid/gid - so we can switch
515	* back to root later, as required
516	*/
517	seteuid (getuid ());
518	setegid (getgid ());
519	break;
520	case SAVE:
521	euid = geteuid ();
522	egid = getegid ();
523	break;
524	case RESTORE:
525	seteuid (euid);
526	setegid (egid);
527	break;
528	}
529	# else
530	switch (mode)
531	{
532	case IGNORE:
533	setuid (getuid ());
534	setgid (getgid ());
535	/* FALLTHROUGH */
536	case SAVE:
537	/* FALLTHROUGH */
538	case RESTORE:
539	break;
540	}
541	# endif	565	# endif
542	#endif	566	# ifdef VDISCRD
543	}	567	tio->c_cc[VDISCRD] = CFLUSH;
544
545	#ifdef UTMP_SUPPORT
546	void
547	rxvt_term::privileged_utmp (char action)
548	{
549	D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)",
550	action, next_utmp_action, getpid ()));
551	if (next_utmp_action != action || (action != SAVE && action != RESTORE)
552	|| (Options & Opt_utmpInhibit)
553	|| ttydev == NULL || *ttydev == '\0')
554	return;
555
556	privileges (RESTORE);
557	if (action == SAVE)
558	{
559	next_utmp_action = RESTORE;
560	makeutent (ttydev, rs[Rs_display_name]);
561	}
562	else
563	{ /* action == RESTORE */
564	next_utmp_action = IGNORE;
565	cleanutent ();
566	}
567	privileges (IGNORE);
568	}
569	#endif
570
571	#ifndef NO_SETOWNER_TTYDEV
572	void
573	rxvt_term::privileged_ttydev (char action)
574	{
575	D_MAIN ((stderr,
576	"privileged_ttydev (%c); waiting for: %c (pid: %d)",
577	action, next_tty_action, getpid ()));
578	if (next_tty_action != action || (action != SAVE && action != RESTORE)
579	|| ttydev == NULL || *ttydev == '\0')
580	return;
581
582	privileges (RESTORE);
583
584	if (action == SAVE)
585	{
586	next_tty_action = RESTORE;
587	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
588	/* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */
589	if (lstat (ttydev, &ttyfd_stat) < 0) /* you lose out */
590	next_tty_action = IGNORE;
591	else
592	# endif	568	# endif
593		569	# ifdef VWERSE
594	{	570	tio->c_cc[VWERSE] = CWERASE;
595	chown (ttydev, getuid (), ttygid); /* fail silently */
596	chmod (ttydev, ttymode);
597	# ifdef HAVE_REVOKE
598	revoke (ttydev);
599	# endif	571	# endif
600		572	# ifdef VLNEXT
601	}	573	tio->c_cc[VLNEXT] = CLNEXT;
602	}
603	else
604	{ /* action == RESTORE */
605	next_tty_action = IGNORE;
606	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
607	chmod (ttydev, ttyfd_stat.st_mode);
608	chown (ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
609	# else
610	chmod (ttydev,
611	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
612	chown (ttydev, 0, 0);
613	# endif	574	# endif
614		575	# ifdef VSTATUS
615	}	576	tio->c_cc[VSTATUS] = CSTATUS;
616
617	privileges (IGNORE);
618
619	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
620	D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
621	action == RESTORE ? "Restoring" : (action ==
622	SAVE ? "Saving" :
623	"UNKNOWN ERROR for"), ttydev,
624	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
625	ttyfd_stat.st_gid));
626	# endif	577	# endif
627	}	578
		579	# if VMIN != VEOF
		580	tio->c_cc[VMIN] = 1;
628	#endif	581	# endif
		582	# if VTIME != VEOL
		583	tio->c_cc[VTIME] = 0;
		584	# endif
		585
		586	/* input modes */
		587	tio->c_iflag = (BRKINT | IGNPAR | ICRNL
		588	# ifdef IMAXBEL
		589	| IMAXBEL
		590	# endif
		591	| IXON);
		592
		593	/* output modes */
		594	tio->c_oflag = (OPOST | ONLCR);
		595
		596	/* control modes */
		597	tio->c_cflag = (CS8 | CREAD);
		598
		599	/* local modes */
		600	tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
		601	# if defined (ECHOCTL) && defined (ECHOKE)
		602	| ECHOCTL | ECHOKE
		603	# endif
		604	| ECHOE | ECHOK);
		605	}
		606
		607	char **rxvt_environ; // startup environment
		608
		609	void
		610	rxvt_init ()
		611	{
		612	assert (("fontMask must not overlap other RS masks",
		613	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
		614
		615	rxvt_get_ttymode (&rxvt_term::def_tio);
		616
		617	// get rid of stdin/stdout as we don't need them, to free resources
		618	dup2 (STDERR_FILENO, STDIN_FILENO);
		619	dup2 (STDERR_FILENO, STDOUT_FILENO);
		620
		621	if (!ev_default_loop ())
		622	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		623
		624	rxvt_environ = environ;
		625
		626	signal (SIGHUP, SIG_IGN);
		627	signal (SIGPIPE, SIG_IGN);
		628
		629	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		630	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		631
		632	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		633	// TODO: handle this with exceptions and tolerate the memory loss
		634	XSetIOErrorHandler (rxvt_xioerror_handler);
		635
		636	XrmInitialize ();
		637
		638	#if HAVE_PIXBUF
		639	g_type_init ();
		640	#endif
		641	}
629		642
630	/*----------------------------------------------------------------------*/	643	/*----------------------------------------------------------------------*/
631	/*	644	/*
632	* window size/position calculcations for XSizeHint and other storage.	645	* window size/position calculations for XSizeHint and other storage.
633	* if width/height are non-zero then override calculated width/height	646	* if width/height are non-zero then override calculated width/height
634	*/	647	*/
635	void	648	void
636	rxvt_term::window_calc (unsigned int width, unsigned int height)	649	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
637	{	650	{
638	short recalc_x, recalc_y;	651	short recalc_x, recalc_y;
639	int x, y, sb_w, mb_h, flags;	652	int x, y, flags;
640	unsigned int w, h;	653	unsigned int w, h;
641	unsigned int max_width, max_height;	654	unsigned int max_width, max_height;
642		655
643	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
644	TermWin.ncol, TermWin.nrow, szHint.width,
645	szHint.height));
646	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	656	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
647	szHint.win_gravity = NorthWestGravity;	657	szHint.win_gravity = NorthWestGravity;
648	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	658	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
649		659
650	recalc_x = recalc_y = 0;	660	recalc_x = recalc_y = 0;
651	flags = 0;	661	flags = 0;
		662
652	if (!parsed_geometry)	663	if (!parsed_geometry)
653	{	664	{
654	parsed_geometry = 1;	665	parsed_geometry = 1;
		666
655	if (rs[Rs_geometry])	667	if (rs[Rs_geometry])
656	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);	668	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		669
657	if (flags & WidthValue)	670	if (flags & WidthValue)
658	{	671	{
659	TermWin.ncol = BOUND_POSITIVE_INT16 (w);	672	if (!w)
		673	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		674
		675	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
660	szHint.flags |= USSize;	676	szHint.flags |= USSize;
661	}	677	}
		678
662	if (flags & HeightValue)	679	if (flags & HeightValue)
663	{	680	{
664	TermWin.nrow = BOUND_POSITIVE_INT16 (h);	681	if (!h)
		682	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		683
		684	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
665	szHint.flags |= USSize;	685	szHint.flags |= USSize;
666	}	686	}
		687
667	if (flags & XValue)	688	if (flags & XValue)
668	{	689	{
669	szHint.x = x;	690	szHint.x = x;
670	szHint.flags |= USPosition;	691	szHint.flags |= USPosition;
		692
671	if (flags & XNegative)	693	if (flags & XNegative)
672	{	694	{
673	recalc_x = 1;	695	recalc_x = 1;
674	szHint.win_gravity = NorthEastGravity;	696	szHint.win_gravity = NorthEastGravity;
675	}	697	}
676	}	698	}
		699
677	if (flags & YValue)	700	if (flags & YValue)
678	{	701	{
679	szHint.y = y;	702	szHint.y = y;
680	szHint.flags |= USPosition;	703	szHint.flags |= USPosition;
		704
681	if (flags & YNegative)	705	if (flags & YNegative)
682	{	706	{
683	recalc_y = 1;	707	recalc_y = 1;
		708
684	if (szHint.win_gravity == NorthEastGravity)	709	if (szHint.win_gravity == NorthEastGravity)
685	szHint.win_gravity = SouthEastGravity;	710	szHint.win_gravity = SouthEastGravity;
686	else	711	else
687	szHint.win_gravity = SouthWestGravity;	712	szHint.win_gravity = SouthWestGravity;
688	}	713	}
689	}	714	}
690	}	715	}
691		716
692	/* TODO: BOUNDS */	717	/* TODO: BOUNDS */
693	TermWin.width = TermWin.ncol * TermWin.fwidth;	718	width = ncol * fwidth;
694	TermWin.height = TermWin.nrow * TermWin.fheight;	719	height = nrow * fheight;
695	max_width = MAX_COLS * TermWin.fwidth;	720	max_width = MAX_COLS * fwidth;
696	max_height = MAX_ROWS * TermWin.fheight;	721	max_height = MAX_ROWS * fheight;
697		722
698	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	723	szHint.base_width = szHint.base_height = 2 * int_bwidth;
699		724
700	sb_w = mb_h = 0;
701	window_vt_x = window_vt_y = 0;	725	window_vt_x = window_vt_y = int_bwidth;
702	if (scrollbar_visible ())	726
		727	if (scrollBar.state)
703	{	728	{
704	sb_w = scrollbar_TotalWidth ();	729	int sb_w = scrollBar.total_width ();
705	szHint.base_width += sb_w;	730	szHint.base_width += sb_w;
		731
706	if (! (Options & Opt_scrollBar_right))	732	if (!option (Opt_scrollBar_right))
707	window_vt_x = sb_w;	733	window_vt_x += sb_w;
708	}
709	if (menubar_visible ())
710	{	734	}
711	mb_h = menuBar_TotalHeight ();	735
712	szHint.base_height += mb_h;
713	window_vt_y = mb_h;
714	}
715	szHint.width_inc = TermWin.fwidth;	736	szHint.width_inc = fwidth;
716	szHint.height_inc = TermWin.fheight;	737	szHint.height_inc = fheight;
717	szHint.min_width = szHint.base_width + szHint.width_inc;	738	szHint.min_width = szHint.base_width + szHint.width_inc;
718	szHint.min_height = szHint.base_height + szHint.height_inc;	739	szHint.min_height = szHint.base_height + szHint.height_inc;
719		740
720	if (width && width - szHint.base_width < max_width)	741	if (newwidth && newwidth - szHint.base_width < max_width)
721	{	742	{
722	szHint.width = width;	743	szHint.width = newwidth;
723	TermWin.width = width - szHint.base_width;	744	width = newwidth - szHint.base_width;
724	}	745	}
725	else	746	else
726	{	747	{
727	MIN_IT (TermWin.width, max_width);	748	min_it (width, max_width);
728	szHint.width = szHint.base_width + TermWin.width;	749	szHint.width = szHint.base_width + width;
729	}	750	}
		751
730	if (height && height - szHint.base_height < max_height)	752	if (newheight && newheight - szHint.base_height < max_height)
731	{	753	{
732	szHint.height = height;	754	szHint.height = newheight;
733	TermWin.height = height - szHint.base_height;	755	height = newheight - szHint.base_height;
734	}	756	}
735	else	757	else
736	{	758	{
737	MIN_IT (TermWin.height, max_height);	759	min_it (height, max_height);
738	szHint.height = szHint.base_height + TermWin.height;	760	szHint.height = szHint.base_height + height;
739	}	761	}
740	if (scrollbar_visible () && (Options & Opt_scrollBar_right))
741	window_sb_x = szHint.width - sb_w;
742		762
743	if (recalc_x)	763	if (recalc_x)
744	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	764	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
745	- szHint.width - 2 * TermWin.ext_bwidth);	765
746	if (recalc_y)	766	if (recalc_y)
747	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	767	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
748	- szHint.height - 2 * TermWin.ext_bwidth);
749		768
750	TermWin.ncol = TermWin.width / TermWin.fwidth;	769	ncol = width / fwidth;
751	TermWin.nrow = TermWin.height / TermWin.fheight;	770	nrow = height / fheight;
752	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	771
753	TermWin.ncol, TermWin.nrow, szHint.width,	772	// When the size of the vt window is not a multiple of the cell
754	szHint.height));	773	// size, i.e., when the wm does not honour our size hints, there are
755	return;	774	// extra areas not covered by the terminal screen. Such gaps, when a
		775	// bg pixmap is set, would have to be cleared manually to properly
		776	// refresh the background. We take the simpler route and shrink the
		777	// vt window so as to avoid creating gaps.
		778	vt_width = ncol * fwidth;
		779	vt_height = nrow * fheight;
756	}	780	}
757		781
758	/*----------------------------------------------------------------------*/	782	/*----------------------------------------------------------------------*/
759	/*	783	/*
760	* Tell the teletype handler what size the window is.	784	* Tell the teletype handler what size the window is.
761	* Called after a window size change.	785	* Called after a window size change.
762	*/	786	*/
763	void	787	void
764	rxvt_term::tt_winch ()	788	rxvt_term::tt_winch ()
765	{	789	{
		790	if (pty->pty < 0)
		791	return;
		792
766	struct winsize ws;	793	struct winsize ws;
767		794
768	if (cmd_fd < 0)
769	return;
770
771	ws.ws_col = TermWin.ncol;	795	ws.ws_col = ncol;
772	ws.ws_row = TermWin.nrow;	796	ws.ws_row = nrow;
773	ws.ws_xpixel = ws.ws_ypixel = 0;	797	ws.ws_xpixel = vt_width;
774	#ifndef DEBUG_SIZE	798	ws.ws_ypixel = vt_height;
775	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	799	ioctl (pty->pty, TIOCSWINSZ, &ws);
		800
		801	#if 0
		802	// TIOCSWINSZ is supposed to do this automatically and correctly
		803	if (cmd_pid) /* force through to the command */
		804	kill (-cmd_pid, SIGWINCH);
		805	#endif
		806	}
		807
		808	/*----------------------------------------------------------------------*/
		809	/* load and set the various fonts */
		810	bool
		811	rxvt_term::set_fonts ()
		812	{
		813	rxvt_fontset *fs = new rxvt_fontset (this);
		814	rxvt_fontprop prop;
		815
		816	if (!fs
		817	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		818	|| !fs->realize_font (1))
		819	{
		820	delete fs;
		821	return false;
		822	}
		823
		824	#if ENABLE_STYLES
		825	for (int i = RS_styleCount; --i; )
		826	if (fontset[i] != fontset[0])
		827	delete fontset[i];
		828	#endif
		829
		830	delete fontset[0];
		831	fontset[0] = fs;
		832
		833	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		834	prop.width = max (prop.width + letterSpace, 1);
		835
		836	fs->set_prop (prop, false);
		837
		838	fwidth = prop.width;
		839	fheight = prop.height + lineSpace;
		840	fbase = prop.ascent;
		841
		842	for (int style = 1; style < 4; style++)
		843	{
		844	#if ENABLE_STYLES
		845	const char *res = rs[Rs_font + style];
		846
		847	if (res && !*res)
		848	fontset[style] = fontset[0];
		849	else
		850	{
		851	fontset[style] = fs = new rxvt_fontset (this);
		852	rxvt_fontprop prop2 = prop;
		853
		854	if (res)
		855	{
		856	fs->populate (res);
		857	fs->set_prop (prop2, false);
		858	}
		859	else
		860	{
		861	fs->populate (fontset[0]->fontdesc);
		862
		863	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		864	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		865
		866	fs->set_prop (prop2, true);
		867	}
		868
		869	}
776	#else	870	#else
777	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	871	fontset[style] = fontset[0];
778	D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));
779	# ifdef SIGWINCH
780	else if (cmd_pid) /* force through to the command */
781	kill (cmd_pid, SIGWINCH);
782	# endif	872	#endif
783	#endif
784	}
785
786	/*----------------------------------------------------------------------*/
787	/* rxvt_change_font () - Switch to a new font */
788	/*
789	* init = 1 - initialize
790	*
791	* fontname == FONT_UP - switch to bigger font
792	* fontname == FONT_DN - switch to smaller font
793	*/
794	bool
795	rxvt_term::change_font (const char *fontname)
796	{
797	if (fontname == FONT_UP)
798	{	873	}
799	// TODO	874
		875	if (parent)
800	}	876	{
801	else if (fontname == FONT_DN)
802	{
803	// TODO
804	}
805	else
806	{
807	rxvt_fontset *fs = new rxvt_fontset (this);
808
809	if (fs && fs->populate (fontname ? fontname : "fixed"))
810	{
811	delete TermWin.fontset;
812	TermWin.fontset = fs;
813	TermWin.fwidth = fs->base_font ()->width;
814	TermWin.fheight = fs->base_font ()->height;
815	TermWin.fbase = fs->base_font ()->ascent;
816
817	if (TermWin.parent[0])
818	{
819	resize_all_windows (0, 0, 0);	877	resize_all_windows (0, 0, 0);
820	scr_remap_chars ();	878	scr_remap_chars ();
821	scr_touch (true);	879	scr_touch (true);
822	}	880	}
823		881
824	return true;	882	return true;
825	}	883	}
		884
		885	void
		886	rxvt_term::set_string_property (Atom prop, const char *str, int len)
		887	{
		888	XChangeProperty (dpy, parent,
		889	prop, XA_STRING, 8, PropModeReplace,
		890	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		891	}
		892
		893	void
		894	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		895	{
		896	XTextProperty ct;
		897
		898	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
826	}	899	{
827		900	XSetTextProperty (dpy, parent, &ct, prop);
828	return false;	901	XFree (ct.value);
		902	}
829	}	903	}
830		904
831	bool	905	void
832	rxvt_term::font_up_down (int n, int direction)	906	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
833	{	907	{
834	return false;	908	wchar_t *ws = rxvt_mbstowcs (str, len);
		909	char *s = rxvt_wcstoutf8 (ws);
		910
		911	XChangeProperty (dpy, parent,
		912	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		913	(const unsigned char *)s, strlen (s));
		914
		915	free (s);
		916	free (ws);
835	}	917	}
836		918
837	/*----------------------------------------------------------------------*/	919	/*----------------------------------------------------------------------*/
838	/*----------------------------------------------------------------------*/	920	/*----------------------------------------------------------------------*/
839	/* xterm sequences - title, iconName, color (exptl) */	921	/* xterm sequences - title, iconName, color (exptl) */
840	void	922	void
841	rxvt_term::set_title (const char *str)	923	rxvt_term::set_title (const char *str)
842	{	924	{
843	#ifndef SMART_WINDOW_TITLE	925	set_mbstring_property (XA_WM_NAME, str);
844	XStoreName (display->display, TermWin.parent[0], str);	926	#if ENABLE_EWMH
845	#else	927	set_utf8_property (xa[XA_NET_WM_NAME], str);
846	char *name;
847
848	if (XFetchName (display->display, TermWin.parent[0], &name) == 0)
849	name = NULL;
850	if (name == NULL || STRCMP (name, str))
851	XStoreName (display->display, TermWin.parent[0], str);
852	if (name)
853	XFree (name);
854	#endif	928	#endif
855	}	929	}
856		930
857	void	931	void
858	rxvt_term::set_iconName (const char *str)	932	rxvt_term::set_icon_name (const char *str)
859	{	933	{
860	#ifndef SMART_WINDOW_TITLE	934	set_mbstring_property (XA_WM_ICON_NAME, str);
861	XSetIconName (display->display, TermWin.parent[0], str);	935	#if ENABLE_EWMH
862	#else	936	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
863	char *name;
864
865	if (XGetIconName (display->display, TermWin.parent[0], &name))
866	name = NULL;
867	if (name == NULL || STRCMP (name, str))
868	XSetIconName (display->display, TermWin.parent[0], str);
869	if (name)
870	XFree (name);
871	#endif	937	#endif
872	}	938	}
873		939
		940	void
		941	rxvt_term::set_window_color (int idx, const char *color)
		942	{
874	#ifdef XTERM_COLOR_CHANGE	943	#ifdef XTERM_COLOR_CHANGE
875	void
876	rxvt_term::set_window_color (int idx, const char *color)
877	{
878	rxvt_color xcol;
879	int i;
880
881	if (color == NULL || *color == '\0')	944	if (color == NULL || *color == '\0')
882	return;	945	return;
883		946
		947	color = strdup (color);
		948	allocated.push_back ((void *)color);
		949	rs[Rs_color + idx] = color;
		950
884	/* handle color aliases */	951	/* handle color aliases */
885	if (isdigit (*color))	952	if (isdigit (*color))
886	{	953	{
887	i = atoi (color);	954	int i = atoi (color);
		955
888	if (i >= 8 && i <= 15)	956	if (i >= 8 && i <= 15)
		957	{
889	{ /* bright colors */	958	/* bright colors */
890	i -= 8;	959	alias_color (idx, minBrightCOLOR + i - 8);
891	# ifndef NO_BRIGHTCOLOR
892	PixColors[idx] = PixColors[minBrightCOLOR + i];
893	SET_PIXCOLOR (idx);
894	goto Done;	960	goto done;
895	# endif
896
897	}	961	}
		962
898	if (i >= 0 && i <= 7)	963	if (i >= 0 && i <= 7)
		964	{
899	{ /* normal colors */	965	/* normal colors */
900	PixColors[idx] = PixColors[minCOLOR + i];	966	alias_color (idx, minCOLOR + i);
901	SET_PIXCOLOR (idx);
902	goto Done;	967	goto done;
903	}	968	}
904	}	969	}
905	if (!rXParseAllocColor (& xcol, color))
906	return;
907	/* XStoreColor (display->display, XCMAP, XColor*); */
908		970
909	/*	971	pix_colors_focused[idx].free (this);
910	* FIXME: should free colors here, but no idea how to do it so instead,	972	set_color (pix_colors_focused[idx], color);
911	* so just keep gobbling up the colormap
912	*/
913	# if 0
914	for (i = Color_Black; i <= Color_White; i++)
915	if (PixColors[idx] == PixColors[i])
916	break;
917	if (i > Color_White)
918	{
919	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
920	XFreeColors (display->display, XCMAP, (PixColors + idx), 1,
921	DisplayPlanes (display->display, display->screen));
922	}
923	# endif
924		973
925	PixColors[idx] = xcol;
926	SET_PIXCOLOR (idx);
927
928	/* XSetWindowAttributes attr; */
929	/* Cursor cursor; */
930	Done:	974	done:
931	if (idx == Color_bg && ! (Options & Opt_transparent))
932	XSetWindowBackground (display->display, TermWin.vt,
933	PixColors[Color_bg]);
934
935	/* handle Color_BD, scrollbar background, etc. */	975	/*TODO: handle Color_BD, scrollbar background, etc. */
936		976
937	set_colorfgbg ();	977	update_fade_color (idx);
938	recolour_cursor ();	978	recolor_cursor ();
939	/* the only reasonable way to enforce a clean update */	979	scr_recolor ();
940	scr_poweron ();	980	#endif /* XTERM_COLOR_CHANGE */
941	}	981	}
942		982
943	#else
944	# define set_window_color (idx,color) ((void)0)
945	#endif /* XTERM_COLOR_CHANGE */
946
947	void	983	void
948	rxvt_term::recolour_cursor ()	984	rxvt_term::recolor_cursor ()
949	{	985	{
950	#if TODO	986	XColor fg, bg;
951	rxvt_color xcol[2];
952		987
953	xcol[0] = PixColors[Color_pointer];	988	(ISSET_PIXCOLOR (Color_pointer_fg)
954	xcol[1] = PixColors[Color_bg];	989	? pix_colors_focused[Color_pointer_fg]
955	XQueryColors (display->display, XCMAP, xcol, 2);	990	: pix_colors_focused[Color_fg]).get (fg);
956	XRecolorCursor (display->display, TermWin_cursor, & (xcol[0]), & (xcol[1]));	991
957	#endif	992	(ISSET_PIXCOLOR (Color_pointer_bg)
		993	? pix_colors_focused[Color_pointer_bg]
		994	: pix_colors_focused[Color_bg]).get (bg);
		995
		996	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
958	}	997	}
959		998
960	/*----------------------------------------------------------------------*/	999	/*----------------------------------------------------------------------*/
961	/*	1000	/*
962	* find if fg/bg matches any of the normal (low-intensity) colors	1001	* find if fg/bg matches any of the normal (low-intensity) colors
963	*/	1002	*/
964	void	1003	char *
965	rxvt_term::set_colorfgbg ()	1004	rxvt_term::get_colorfgbg ()
966	{	1005	{
967	unsigned int i;	1006	unsigned int i;
968	const char *xpmb = "\0";	1007	const char *xpmb = "";
969	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];	1008	char fstr[] = "default";
970		1009	char bstr[] = "default";
971	env_colorfgbg =	1010	char *env_colorfgbg;
972	(char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);	1011
973	STRCPY (fstr, "default");
974	STRCPY (bstr, "default");
975	for (i = Color_Black; i <= Color_White; i++)	1012	for (i = Color_Black; i <= Color_White; i++)
976	if (PixColors[Color_fg] == PixColors[i])	1013	if (pix_colors[Color_fg] == pix_colors[i])
977	{	1014	{
978	sprintf (fstr, "%d", (i - Color_Black));	1015	sprintf (fstr, "%d", i - Color_Black);
979	break;	1016	break;
980	}	1017	}
		1018
981	for (i = Color_Black; i <= Color_White; i++)	1019	for (i = Color_Black; i <= Color_White; i++)
982	if (PixColors[Color_bg] == PixColors[i])	1020	if (pix_colors[Color_bg] == pix_colors[i])
983	{	1021	{
984	sprintf (bstr, "%d", (i - Color_Black));	1022	sprintf (bstr, "%d", i - Color_Black);
985	#ifdef XPM_BACKGROUND	1023	#if HAVE_IMG
986	xpmb = "default;";	1024	xpmb = "default;";
987	#endif	1025	#endif
988	break;	1026	break;
989	}	1027	}
990		1028
		1029	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg"));
991	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1030	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
992		1031	return env_colorfgbg;
993	#ifndef NO_BRIGHTCOLOR
994	colorfgbg = DEFAULT_RSTYLE;
995	for (i = minCOLOR; i <= maxCOLOR; i++)
996	{
997	if (PixColors[Color_fg] == PixColors[i])
998	colorfgbg = SET_FGCOLOR (colorfgbg, i);
999	if (PixColors[Color_bg] == PixColors[i])
1000	colorfgbg = SET_BGCOLOR (colorfgbg, i);
1001	}
1002	#endif
1003	}	1032	}
1004		1033
1005	/*----------------------------------------------------------------------*/	1034	/*----------------------------------------------------------------------*/
1006	/*
1007	* Colour determination for low colour displays, routine from
1008	* Hans de Goede <hans@highrise.nl>
1009	*/
1010		1035
1011	int	1036	bool
1012	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	1037	rxvt_term::set_color (rxvt_color &color, const char *name)
1013	{	1038	{
1014	if (!screen_in_out->set (display, colour))	1039	if (color.set (this, name))
1015	{
1016	rxvt_print_error ("can't allocate colour: %s", colour);
1017	return false;
1018	}
1019
1020	return true;	1040	return true;
		1041
		1042	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		1043	return false;
1021	}	1044	}
		1045
		1046	void
		1047	rxvt_term::alias_color (int dst, int src)
		1048	{
		1049	pix_colors[dst].free (this);
		1050	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
		1051	}
		1052
		1053	#ifdef SMART_RESIZE
		1054	static unsigned int
		1055	get_parent_bw (Display *dpy, Window w)
		1056	{
		1057	int idummy;
		1058	unsigned int udummy;
		1059	Window wdummy, parent;
		1060	Window *children;
		1061	unsigned int nchildren, border_width;
		1062
		1063	XQueryTree (dpy, w, &wdummy, &parent, &children, &nchildren);
		1064	XFree (children);
		1065	XGetGeometry (dpy, parent, &wdummy, &idummy, &idummy,
		1066	&udummy, &udummy, &border_width, &udummy);
		1067
		1068	return border_width;
		1069	}
		1070	#endif
1022		1071
1023	/* -------------------------------------------------------------------- *	1072	/* -------------------------------------------------------------------- *
1024	* - WINDOW RESIZING - *	1073	* - WINDOW RESIZING - *
1025	* -------------------------------------------------------------------- */	1074	* -------------------------------------------------------------------- */
1026	void	1075	void
1027	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	1076	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1028	{	1077	{
1029	int fix_screen;	1078	int fix_screen;
		1079	int old_width = szHint.width;
		1080	int old_height = szHint.height;
1030		1081
1031	#ifdef SMART_RESIZE
1032	int old_width = szHint.width, old_height = szHint.height;
1033	#endif
1034
1035	window_calc (width, height);	1082	window_calc (newwidth, newheight);
		1083
		1084	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1085
		1086	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1087	if (set_hint)
		1088	{
		1089	szHint.flags &= ~(PBaseSize | PResizeInc);
1036	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	1090	XSetWMNormalHints (dpy, parent, &szHint);
		1091	szHint.flags |= PBaseSize | PResizeInc;
		1092	}
		1093
1037	if (!ignoreparent)	1094	if (!ignoreparent)
1038	{	1095	{
1039	#ifdef SMART_RESIZE	1096	#ifdef SMART_RESIZE
1040	/*	1097	/*
1041	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1098	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
1044	int x, y, x1, y1;	1101	int x, y, x1, y1;
1045	int dx, dy;	1102	int dx, dy;
1046	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1103	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1047	Window unused_cr;	1104	Window unused_cr;
1048		1105
1049	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	1106	XTranslateCoordinates (dpy, parent, display->root,
1050	0, 0, &x, &y, &unused_cr);	1107	0, 0, &x, &y, &unused_cr);
1051	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	1108	XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
1052	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1109	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
1053	/*	1110	/*
1054	* if display->root isn't the parent window, a WM will probably have offset	1111	* if display->root isn't the parent window, a WM will probably have offset
1055	* our position for handles and decorations. Counter it	1112	* our position for handles and decorations. Counter it
1056	*/	1113	*/
1057	if (x1 != x || y1 != y)	1114	if (x1 != x || y1 != y)
1058	{	1115	{
1059	x -= x1;	1116	unsigned int border_width = get_parent_bw (dpy, parent);
1060	y -= y1;	1117
		1118	x -= x1 + border_width;
		1119	y -= y1 + border_width;
1061	}	1120	}
1062		1121
1063	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	1122	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
1064	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	1123	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
1065	dx = old_width - szHint.width;	1124	dx = old_width - szHint.width;
1066	dy = old_height - szHint.height;	1125	dy = old_height - szHint.height;
1067		1126
1068	/* Check position of the center of the window */	1127	/* Check position of the center of the window */
1069	if (x < x1) /* left half */	1128	if (x < x1) /* left half */
1070	dx = 0;	1129	dx = 0;
…		…
1073	if (y < y1) /* top half */	1132	if (y < y1) /* top half */
1074	dy = 0;	1133	dy = 0;
1075	else if (y == y1) /* exact center */	1134	else if (y == y1) /* exact center */
1076	dy /= 2;	1135	dy /= 2;
1077		1136
1078	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	1137	XMoveResizeWindow (dpy, parent, x + dx, y + dy,
1079	szHint.width, szHint.height);	1138	szHint.width, szHint.height);
1080	#else	1139	#else
1081	XResizeWindow (display->display, TermWin.parent[0], szHint.width,	1140	XResizeWindow (dpy, parent, szHint.width, szHint.height);
1082	szHint.height);
1083	#endif	1141	#endif
1084
1085	}	1142	}
1086		1143
1087	fix_screen = (TermWin.ncol != prev_ncol	1144	if (set_hint)
1088	|| TermWin.nrow != prev_nrow);	1145	XSetWMNormalHints (dpy, parent, &szHint);
1089		1146
		1147	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
		1148
1090	if (fix_screen || width != old_width || height != old_height)	1149	if (fix_screen || newwidth != old_width || newheight != old_height)
1091	{	1150	{
1092	if (scrollbar_visible ())	1151	if (scrollBar.state)
1093	{	1152	scrollBar.resize ();
1094	XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,
1095	0, scrollbar_TotalWidth (), szHint.height);
1096	resize_scrollbar ();
1097	}
1098		1153
1099	if (menubar_visible ())	1154	XMoveResizeWindow (dpy, vt,
1100	XMoveResizeWindow (display->display, menuBar.win, window_vt_x,	1155	window_vt_x, window_vt_y,
1101	0, TermWin_TotalWidth (), menuBar_TotalHeight ());	1156	vt_width, vt_height);
1102		1157
1103	XMoveResizeWindow (display->display, TermWin.vt, window_vt_x,	1158	HOOK_INVOKE ((this, HOOK_SIZE_CHANGE, DT_INT, newwidth, DT_INT, newheight, DT_END));
1104	window_vt_y, TermWin_TotalWidth (),
1105	TermWin_TotalHeight ());
1106	scr_clear (height != old_height);
1107	#ifdef XPM_BACKGROUND
1108	resize_pixmap ();
1109	#endif
1110
1111	}	1159	}
1112		1160
1113	if (fix_screen || old_height == 0)	1161	if (fix_screen || old_height == 0)
1114	{
1115	int curr_screen = -1;
1116	int old_ncol = prev_ncol;
1117
1118	/* scr_reset only works on the primary screen */
1119	if (old_height) /* this is not the first time through */
1120	{
1121	unsigned int ncol = TermWin.ncol;
1122	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1123	curr_screen = scr_change_screen (PRIMARY);
1124	TermWin.ncol = ncol;
1125	}
1126
1127	scr_reset ();	1162	scr_reset ();
1128		1163
1129	if (curr_screen >= 0) /* this is not the first time through */
1130	{
1131	scr_change_screen (curr_screen);
1132	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
1133	}
1134	}
1135
1136	old_width = szHint.width;
1137	old_height = szHint.height;
1138
1139	#ifdef USE_XIM	1164	#if USE_XIM
1140	IMSetStatusPosition ();	1165	im_set_position ();
1141	#endif	1166	#endif
1142	}	1167	}
1143		1168
1144	/*	1169	/*
1145	* Set the width/height of the vt window in characters. Units are pixels.	1170	* Set the width/height of the vt window in characters. Units are pixels.
1146	* good for toggling 80/132 columns	1171	* good for toggling 80/132 columns
1147	*/	1172	*/
1148	void	1173	void
1149	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1174	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1150	{	1175	{
1151	XWindowAttributes wattr;	1176	XWindowAttributes wattr;
1152		1177
1153	if (width == 0 || height == 0)	1178	if (newwidth == 0 || newheight == 0)
1154	{	1179	{
1155	XGetWindowAttributes (display->display, display->root, &wattr);	1180	XGetWindowAttributes (dpy, display->root, &wattr);
		1181
1156	if (width == 0)	1182	if (newwidth == 0)
1157	width = wattr.width - szHint.base_width;	1183	newwidth = wattr.width - szHint.base_width;
1158	if (height == 0)	1184	if (newheight == 0)
1159	height = wattr.height - szHint.base_height;	1185	newheight = wattr.height - szHint.base_height;
1160	}
1161	if (width != TermWin.width || height != TermWin.height)
1162	{	1186	}
		1187
		1188	if (newwidth != vt_width || newheight != vt_height)
		1189	{
1163	width += szHint.base_width;	1190	newwidth += szHint.base_width;
1164	height += szHint.base_height;	1191	newheight += szHint.base_height;
1165	resize_all_windows (width, height, 0);	1192	resize_all_windows (newwidth, newheight, 0);
1166	}	1193	}
1167	}	1194	}
1168		1195
1169	/* -------------------------------------------------------------------- *	1196	/* -------------------------------------------------------------------- *
1170	* - X INPUT METHOD ROUTINES - *	1197	* - X INPUT METHOD ROUTINES - *
1171	* -------------------------------------------------------------------- */	1198	* -------------------------------------------------------------------- */
1172	#ifdef USE_XIM	1199	#if USE_XIM
1173		1200
1174	void	1201	void
		1202	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
		1203	{
		1204	fg = pix_colors [Color_fg];
		1205	bg = pix_colors [Color_bg];
		1206	}
		1207
		1208	void
1175	rxvt_term::im_set_size (XRectangle *size)	1209	rxvt_term::im_set_size (XRectangle &size)
1176	{	1210	{
1177	size->x = TermWin.int_bwidth;	1211	// the int_bwidth terms make no sense to me
1178	size->y = TermWin.int_bwidth;	1212	size.x = int_bwidth;
1179	size->width = Width2Pixel (TermWin.ncol);	1213	size.y = int_bwidth;
1180	size->height = Height2Pixel (TermWin.nrow);	1214	size.width = Width2Pixel (ncol) + int_bwidth;
		1215	size.height = Height2Pixel (nrow) + int_bwidth;
1181	}	1216	}
1182		1217
1183	void	1218	void
1184	rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)	1219	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1220	XRectangle &status_rect,
		1221	const XRectangle &needed_rect)
1185	{	1222	{
1186	*fg = PixColors[Color_fg];	1223	preedit_rect.x = needed_rect.width;
1187	*bg = PixColors[Color_bg];	1224	preedit_rect.y = 0;
		1225	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1226	preedit_rect.height = fheight;
		1227
		1228	status_rect.x = 0;
		1229	status_rect.y = 0;
		1230	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1231	status_rect.height = fheight;
1188	}	1232	}
1189		1233
1190	/* Checking whether input method is running. */	1234	/* Checking whether input method is running. */
1191	bool	1235	bool
1192	rxvt_term::IMisRunning ()	1236	rxvt_term::im_is_running ()
1193	{	1237	{
1194	char *p;	1238	Atom atom;
1195	Atom atom;	1239	Window win;
1196	Window win;
1197	char server[IMBUFSIZ];	1240	char server[IMBUFSIZ];
1198		1241
1199	/* get current locale modifier */	1242	/* get current locale modifier */
1200	if ((p = XSetLocaleModifiers (NULL)) != NULL)	1243	if (char *p = XSetLocaleModifiers (0))
1201	{	1244	{
1202	STRCPY (server, "@server=");	1245	strcpy (server, "@server=");
1203	STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1246	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
		1247
1204	if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */	1248	if (p = strchr (server + 1, '@')) /* first one only */
1205	*p = '\0';	1249	*p = '\0';
1206		1250
1207	atom = XInternAtom (display->display, server, False);	1251	atom = XInternAtom (dpy, server, False);
1208	win = XGetSelectionOwner (display->display, atom);	1252	win = XGetSelectionOwner (dpy, atom);
		1253
1209	if (win != None)	1254	if (win != None)
1210	return True;	1255	return true;
1211	}	1256	}
		1257
1212	return False;	1258	return false;
1213	}	1259	}
1214		1260
1215	void	1261	void
1216	rxvt_term::IMSendSpot ()	1262	rxvt_term::im_send_spot ()
1217	{	1263	{
1218	XPoint spot;	1264	XPoint nspot;
1219	XVaNestedList preedit_attr;	1265	XVaNestedList preedit_attr;
1220		1266
1221	if (Input_Context == NULL	1267	if (!Input_Context
1222	|| !TermWin.focus || ! (input_style & XIMPreeditPosition)	1268	|| !focus
1223	|| ! (event_type == KeyPress	1269	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1224	|| event_type == Expose
1225	|| event_type == NoExpose
1226	|| event_type == SelectionNotify
1227	|| event_type == ButtonRelease || event_type == FocusIn)
1228	|| !IMisRunning ())
1229	return;	1270	return;
1230		1271
1231	im_set_position (&spot);	1272	im_set_position (nspot);
		1273
		1274	if (nspot.x == spot.x && nspot.y == spot.y)
		1275	return;
		1276
		1277	spot = nspot;
1232		1278
1233	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);	1279	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1234	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1280	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1235	XFree (preedit_attr);	1281	XFree (preedit_attr);
1236	}	1282	}
1237		1283
1238	void	1284	void
1239	rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,
1240	XRectangle * needed_rect)
1241	{
1242	int mbh, vtx = 0;
1243
1244	if (scrollbar_visible () && ! (Options & Opt_scrollBar_right))
1245	vtx = scrollbar_TotalWidth ();
1246
1247	mbh = menubar_visible () ? menuBar_TotalHeight () : 0;
1248	mbh -= TermWin.lineSpace;
1249
1250	preedit_rect->x = needed_rect->width + vtx;
1251	preedit_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1252
1253	preedit_rect->width = Width2Pixel (TermWin.ncol + 1) - needed_rect->width + vtx;
1254	preedit_rect->height = Height2Pixel (1);
1255
1256	status_rect->x = vtx;
1257	status_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1258
1259	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel (TermWin.ncol + 1);
1260	status_rect->height = Height2Pixel (1);
1261	}
1262
1263	void
1264	rxvt_term::im_destroy ()	1285	rxvt_term::im_destroy ()
1265	{	1286	{
1266	if (Input_Context)
1267	{
1268	XDestroyIC (Input_Context);
1269	Input_Context = NULL;
1270	}
1271
1272	if (input_method)	1287	if (input_method)
1273	{	1288	{
		1289	if (Input_Context && input_method->xim)
		1290	XDestroyIC (Input_Context);
		1291
1274	display->put_xim (input_method);	1292	display->put_xim (input_method);
1275	input_method = 0;	1293	input_method = 0;
1276	}	1294	}
		1295
		1296	Input_Context = 0;
1277	}	1297	}
		1298
		1299	#ifdef ENABLE_XIM_ONTHESPOT
		1300
		1301	static void
		1302	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1303	{
		1304	((rxvt_term *)client_data)->make_current ();
		1305	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1306	}
		1307
		1308	static void
		1309	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1310	{
		1311	((rxvt_term *)client_data)->make_current ();
		1312	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1313	}
		1314
		1315	static void
		1316	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1317	{
		1318	rxvt_term *term = (rxvt_term *)client_data;
		1319	XIMText *text = call_data->text;
		1320
		1321	term->make_current ();
		1322
		1323	if (text)
		1324	{
		1325	wchar_t *str;
		1326
		1327	if (!text->encoding_is_wchar && text->string.multi_byte)
		1328	{
		1329	// of course, X makes it ugly again
		1330	if (term->rs[Rs_imLocale])
		1331	SET_LOCALE (term->rs[Rs_imLocale]);
		1332
		1333	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1334	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1335
		1336	if (term->rs[Rs_imLocale])
		1337	SET_LOCALE (term->locale);
		1338	}
		1339	else
		1340	str = text->string.wide_char;
		1341
		1342	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1343	DT_INT, call_data->caret,
		1344	DT_INT, call_data->chg_first,
		1345	DT_INT, call_data->chg_length,
		1346	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1347	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1348	DT_END));
		1349	}
		1350	else
		1351	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1352	DT_INT, call_data->caret,
		1353	DT_INT, call_data->chg_first,
		1354	DT_INT, call_data->chg_length,
		1355	DT_END));
		1356	}
		1357
		1358	#if 0
		1359	static void
		1360	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1361	{
		1362	((rxvt_term *)client_data)->make_current ();
		1363	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1364	DT_INT, call_data->position,
		1365	DT_INT, call_data->direction,
		1366	DT_INT, call_data->style,
		1367	DT_END));
		1368	}
		1369	#endif
		1370
		1371	#endif
1278		1372
1279	/*	1373	/*
1280	* Try to open a XIM with the current modifiers, then see if we can	1374	* Try to open a XIM with the current modifiers, then see if we can
1281	* open a suitable preedit type	1375	* open a suitable preedit type
1282	*/	1376	*/
1283	bool	1377	bool
1284	rxvt_term::IM_get_IC (const char *modifiers)	1378	rxvt_term::im_get_ic (const char *modifiers)
1285	{	1379	{
1286	int i, j, found;	1380	int i, j, found;
1287	XIM xim;	1381	XIM xim;
1288	XPoint spot;	1382	XPoint spot;
1289	XRectangle rect, status_rect, needed_rect;	1383	XRectangle rect, status_rect, needed_rect;
1290	unsigned long fg, bg;	1384	unsigned long fg, bg;
1291	const char *p;	1385	const char *p;
1292	char **s;	1386	char **s;
1293	XIMStyles *xim_styles;	1387	XIMStyles *xim_styles;
1294	XVaNestedList preedit_attr, status_attr;
1295		1388
		1389	set_environ (env);
		1390
1296	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))	1391	if (!((p = XSetLocaleModifiers (modifiers)) && *p))
1297	return false;	1392	return false;
1298		1393
1299	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1300	input_method = display->get_xim (locale, modifiers);	1394	input_method = display->get_xim (locale, modifiers);
1301	if (input_method == NULL)	1395	if (input_method == NULL)
1302	return false;	1396	return false;
1303		1397
1304	xim = input_method->xim;	1398	xim = input_method->xim;
		1399	spot.x = spot.y = -1;
1305		1400
1306	xim_styles = NULL;	1401	xim_styles = NULL;
1307	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1402	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1308	|| !xim_styles || !xim_styles->count_styles)	1403	|| !xim_styles || !xim_styles->count_styles)
1309	{	1404	{
1310	display->put_xim (input_method);	1405	im_destroy ();
1311	return false;	1406	return false;
1312	}	1407	}
1313		1408
1314	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";	1409	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1315	s = rxvt_splitcommastring (p);	1410
		1411	for (int pi = 0; pi < 2; pi++)
		1412	{
		1413	p = pet[pi];
		1414
		1415	if (!p)
		1416	continue;
		1417
		1418	s = rxvt_strsplit (',', p);
		1419
1316	for (i = found = 0; !found && s[i]; i++)	1420	for (i = found = 0; !found && s[i]; i++)
1317	{	1421	{
1318	if (!STRCMP (s[i], "OverTheSpot"))	1422	if (!strcmp (s[i], "OverTheSpot"))
1319	input_style = (XIMPreeditPosition | XIMStatusNothing);	1423	input_style = XIMPreeditPosition | XIMStatusNothing;
1320	else if (!STRCMP (s[i], "OffTheSpot"))	1424	else if (!strcmp (s[i], "OffTheSpot"))
1321	input_style = (XIMPreeditArea | XIMStatusArea);	1425	input_style = XIMPreeditArea | XIMStatusArea;
1322	else if (!STRCMP (s[i], "Root"))	1426	else if (!strcmp (s[i], "Root"))
1323	input_style = (XIMPreeditNothing | XIMStatusNothing);	1427	input_style = XIMPreeditNothing | XIMStatusNothing;
		1428	else if (!strcmp (s[i], "None"))
		1429	input_style = XIMPreeditNone | XIMStatusNone;
		1430	#ifdef ENABLE_XIM_ONTHESPOT
		1431	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1432	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1433	#endif
		1434	else
		1435	input_style = XIMPreeditNothing | XIMStatusNothing;
1324		1436
1325	for (j = 0; j < xim_styles->count_styles; j++)	1437	for (j = 0; j < xim_styles->count_styles; j++)
1326	if (input_style == xim_styles->supported_styles[j])	1438	if (input_style == xim_styles->supported_styles[j])
1327	{	1439	{
		1440	rxvt_free_strsplit (s);
		1441
1328	found = 1;	1442	found = 1;
1329	break;	1443	goto foundpet;
		1444	}
		1445
1330	}	1446	}
1331	}
1332		1447
1333	for (i = 0; s[i]; i++)	1448	rxvt_free_strsplit (s);
1334	free (s[i]);	1449	}
1335		1450
1336	free (s);	1451	foundpet:
		1452
1337	XFree (xim_styles);	1453	XFree (xim_styles);
1338		1454
1339	if (!found)	1455	if (!found)
1340	{	1456	{
1341	display->put_xim (input_method);	1457	im_destroy ();
1342	return false;	1458	return false;
1343	}	1459	}
1344		1460
1345	preedit_attr = status_attr = NULL;	1461	XFontSet fs = 0;
		1462	XVaNestedList preedit_attr = 0, status_attr = 0;
		1463
		1464	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1465	{
		1466	// fake us a font-set, please
		1467	char **missing_charset_list;
		1468	int missing_charset_count;
		1469	char *def_string;
		1470	char pat[512];
		1471
		1472	sprintf (pat,
		1473	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1474	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1475	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1476	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1477	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1478	"*",
		1479	fheight,
		1480	fheight + 1, fheight - 1,
		1481	fheight - 2, fheight + 2);
		1482
		1483	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1484	&missing_charset_list, &missing_charset_count, &def_string);
		1485
		1486	if (missing_charset_list)
		1487	XFreeStringList (missing_charset_list);
		1488
		1489	if (!fs)
		1490	{
		1491	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1492	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1493	}
		1494	}
1346		1495
1347	if (input_style & XIMPreeditPosition)	1496	if (input_style & XIMPreeditPosition)
1348	{	1497	{
1349	im_set_size (&rect);	1498	im_set_size (rect);
1350	im_set_position (&spot);	1499	im_set_position (spot);
1351	im_set_color (&fg, &bg);	1500	im_set_color (fg, bg);
1352		1501
1353	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1502	preedit_attr = XVaCreateNestedList (0,
		1503	XNForeground, fg,
		1504	XNBackground, bg,
		1505	XNArea, &rect,
1354	XNSpotLocation, &spot,	1506	XNSpotLocation, &spot,
1355	XNForeground, fg, XNBackground, bg,
1356	//XNFontSet, TermWin.fontset,	1507	XNFontSet, fs,
1357	NULL);	1508	NULL);
1358	}	1509	}
1359	else if (input_style & XIMPreeditArea)	1510	else if (input_style & XIMPreeditArea)
1360	{	1511	{
1361	im_set_color (&fg, &bg);	1512	im_set_color (fg, bg);
1362		1513
1363	/*	1514	/*
1364	* The necessary width of preedit area is unknown	1515	* The necessary width of preedit area is unknown
1365	* until create input context.	1516	* until create input context.
1366	*/	1517	*/
1367	needed_rect.width = 0;	1518	needed_rect.width = 0;
1368
1369	im_set_preedit_area (&rect, &status_rect, &needed_rect);	1519	im_set_preedit_area (rect, status_rect, needed_rect);
1370		1520
1371	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1521	preedit_attr = XVaCreateNestedList (0,
		1522	XNForeground, fg,
1372	XNForeground, fg, XNBackground, bg,	1523	XNBackground, bg,
		1524	XNArea, &rect,
		1525	XNFontSet, fs,
		1526	NULL);
		1527	status_attr = XVaCreateNestedList (0,
		1528	XNForeground, fg,
		1529	XNBackground, bg,
		1530	XNArea, &status_rect,
1373	//XNFontSet, TermWin.fontset,	1531	XNFontSet, fs,
1374	NULL);	1532	NULL);
1375	status_attr = XVaCreateNestedList (0, XNArea, &status_rect,	1533	}
1376	XNForeground, fg, XNBackground, bg,	1534	#if ENABLE_XIM_ONTHESPOT
1377	//XNFontSet, TermWin.fontset,	1535	else if (input_style & XIMPreeditCallbacks)
		1536	{
		1537	XIMCallback xcb[4];
		1538
		1539	im_set_position (spot);
		1540
		1541	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1542	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1543	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1544	# if 0
		1545	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1546	# endif
		1547
		1548	preedit_attr = XVaCreateNestedList (0,
		1549	XNSpotLocation, &spot,
		1550	XNPreeditStartCallback, &xcb[0],
		1551	XNPreeditDoneCallback , &xcb[1],
		1552	XNPreeditDrawCallback , &xcb[2],
		1553	# if 0
		1554	XNPreeditCaretCallback, &xcb[3],
		1555	# endif
1378	NULL);	1556	NULL);
1379	}	1557	}
		1558	#endif
1380		1559
1381	Input_Context = XCreateIC (xim, XNInputStyle, input_style,	1560	Input_Context = XCreateIC (xim,
		1561	XNInputStyle, input_style,
1382	XNClientWindow, TermWin.parent[0],	1562	XNClientWindow, vt,
1383	XNFocusWindow, TermWin.parent[0],	1563	XNFocusWindow, parent,
1384	preedit_attr ? XNPreeditAttributes : NULL,	1564	preedit_attr ? XNPreeditAttributes : NULL,
1385	preedit_attr,	1565	preedit_attr,
1386	status_attr ? XNStatusAttributes : NULL,	1566	status_attr ? XNStatusAttributes : NULL,
1387	status_attr, NULL);	1567	status_attr, NULL);
		1568
1388	if (preedit_attr) XFree (preedit_attr);	1569	if (preedit_attr) XFree (preedit_attr);
1389	if (status_attr) XFree (status_attr);	1570	if (status_attr) XFree (status_attr);
		1571	if (fs) XFreeFontSet (dpy, fs);
1390		1572
1391	if (Input_Context == NULL)	1573	if (Input_Context == NULL)
1392	{	1574	{
1393	rxvt_print_error ("failed to create input context");	1575	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1394	display->put_xim (input_method);	1576	im_destroy ();
1395	return false;	1577	return false;
1396	}	1578	}
1397		1579
1398	if (input_style & XIMPreeditArea)	1580	#if 0
1399	IMSetStatusPosition ();	1581	// unfortunately, only the focus window is used by XIM, hard to fix
		1582	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1583	vt_select_input ();
		1584	#endif
1400		1585
1401	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));	1586	im_set_position ();
		1587
1402	return true;	1588	return true;
1403	}	1589	}
1404		1590
1405	void	1591	void
1406	rxvt_term::im_cb ()	1592	rxvt_term::im_cb ()
1407	{	1593	{
1408	int i, found, had_im;	1594	int i;
1409	const char *p;	1595	const char *p;
1410	char **s;	1596	char **s;
1411	char buf[IMBUFSIZ];	1597	char buf[IMBUFSIZ];
1412		1598
		1599	make_current ();
		1600
1413	im_destroy ();	1601	im_destroy ();
1414		1602
1415	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1416	if (Input_Context)	1603	if (Input_Context)
1417	return;	1604	return;
1418		1605
1419	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1420	if (rs[Rs_imLocale])	1606	if (rs[Rs_imLocale])
1421	SET_LOCALE (rs[Rs_imLocale]);	1607	SET_LOCALE (rs[Rs_imLocale]);
1422	#endif
1423		1608
1424	p = rs[Rs_inputMethod];	1609	p = rs[Rs_inputMethod];
1425	if (p && *p)	1610	if (p && *p)
1426	{	1611	{
1427	bool found = false;	1612	bool found = false;
1428		1613
1429	s = rxvt_splitcommastring (p);	1614	s = rxvt_strsplit (',', p);
		1615
1430	for (i = 0; s[i]; i++)	1616	for (i = 0; s[i]; i++)
1431	{	1617	{
1432	if (*s[i])	1618	if (*s[i])
1433	{	1619	{
1434	STRCPY (buf, "@im=");	1620	strcpy (buf, "@im=");
1435	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1621	strncat (buf, s[i], IMBUFSIZ - 5);
1436	if (IM_get_IC (buf))	1622	if (im_get_ic (buf))
1437	{	1623	{
1438	found = true;	1624	found = true;
1439	break;	1625	break;
1440	}	1626	}
1441	}	1627	}
1442	}	1628	}
1443	for (i = 0; s[i]; i++)	1629
1444	free (s[i]);	1630	rxvt_free_strsplit (s);
1445	free (s);
1446		1631
1447	if (found)	1632	if (found)
1448	goto done;	1633	goto done;
1449	}	1634	}
1450		1635
1451	/* try with XMODIFIERS env. var. */	1636	/* try with XMODIFIERS env. var. */
1452	if (IM_get_IC (""))	1637	if (im_get_ic (""))
1453	goto done;	1638	goto done;
1454		1639
1455	/* try with no modifiers base IF the user didn't specify an IM */	1640	/* try with no modifiers base IF the user didn't specify an IM */
1456	if (IM_get_IC ("@im=none"))	1641	if (im_get_ic ("@im=none"))
1457	goto done;	1642	goto done;
1458		1643
1459	done:	1644	done:
1460	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1461	if (rs[Rs_imLocale])	1645	if (rs[Rs_imLocale])
1462	SET_LOCALE (locale);	1646	SET_LOCALE (locale);
1463	#endif
1464	}	1647	}
1465		1648
1466	void	1649	void
1467	rxvt_term::IMSetStatusPosition ()	1650	rxvt_term::im_set_position ()
1468	{	1651	{
1469	XRectangle preedit_rect, status_rect, *needed_rect;	1652	XRectangle preedit_rect, status_rect, *needed_rect;
1470	XVaNestedList preedit_attr, status_attr;	1653	XVaNestedList preedit_attr, status_attr;
1471		1654
1472	if (Input_Context == NULL	1655	if (!Input_Context
1473	|| !TermWin.focus || ! (input_style & XIMPreeditArea)	1656	|| !focus
		1657	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1474	|| !IMisRunning ())	1658	|| !im_is_running ())
1475	return;	1659	return;
1476		1660
		1661	if (input_style & XIMPreeditPosition)
		1662	{
		1663	im_set_size (preedit_rect);
		1664	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1665
		1666	XSetICValues (Input_Context,
		1667	XNPreeditAttributes, preedit_attr, NULL);
		1668	}
		1669	else
		1670	{
1477	/* Getting the necessary width of preedit area */	1671	/* Getting the necessary width of preedit area */
1478	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);	1672	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1479	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);	1673	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1480	XFree (status_attr);	1674	XFree (status_attr);
1481		1675
1482	im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);	1676	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1677	XFree (needed_rect);
1483		1678
1484	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);	1679	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1485	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);	1680	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1486		1681
1487	XSetICValues (Input_Context,	1682	XSetICValues (Input_Context,
1488	XNPreeditAttributes, preedit_attr,	1683	XNPreeditAttributes, preedit_attr,
1489	XNStatusAttributes, status_attr, NULL);	1684	XNStatusAttributes, status_attr,
		1685	NULL);
1490		1686
		1687	XFree (status_attr);
		1688	}
		1689
1491	XFree (preedit_attr);	1690	XFree (preedit_attr);
1492	XFree (status_attr);
1493	}	1691	}
1494	#endif /* USE_XIM */	1692	#endif /* USE_XIM */
1495		1693
1496	/*----------------------------------------------------------------------*/	1694	void
1497	rxvt_t rxvt_current_term;	1695	rxvt_term::get_window_origin (int &x, int &y)
		1696	{
		1697	Window cr;
		1698	XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
		1699	}
1498		1700
1499	/*----------------------- end-of-file (C source) -----------------------*/	1701	/*----------------------- end-of-file (C source) -----------------------*/

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