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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.114 by root, Tue Sep 7 06:19:45 2004 UTC vs.
Revision 1.364 by sf-exg, Mon Jan 9 15:30:17 2012 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>
…		…
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) 2003-2010 Marc Lehmann <schmorp@schmorp.de>
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 "init.h"
		36	#include "keyboard.h"
		37	#include "rxvtperl.h"
36		38
		39	#include <limits>
		40
		41	#include <cassert>
37	#include <signal.h>	42	#include <csignal>
38
39	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>
41	#endif
42
43	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>
45	#endif
46
47	#include <cstring>	43	#include <cstring>
48		44
		45	#include <termios.h>
		46
		47	#ifdef HAVE_XSETLOCALE
		48	# define X_LOCALE
		49	# include <X11/Xlocale.h>
		50	#else
		51	# ifdef HAVE_SETLOCALE
		52	# include <clocale>
		53	# endif
		54	#endif
		55
		56	struct termios rxvt_term::def_tio;
49	vector<rxvt_term *> rxvt_term::termlist;	57	vector<rxvt_term *> rxvt_term::termlist;
50		58
		59	// used to tell global functions which terminal instance is "active"
		60	rxvt_t rxvt_current_term;
		61
51	static char curlocale[128];	62	static char curlocale[128], savelocale[128];
52		63
53	bool	64	bool
54	rxvt_set_locale (const char *locale)	65	rxvt_set_locale (const char *locale) NOTHROW
55	{	66	{
		67	int size = strlen (locale) + 1;
		68
		69	if (size > sizeof (curlocale))
		70	rxvt_fatal ("locale string too long, aborting.\n");
		71
56	if (!locale || !strncmp (locale, curlocale, 128))	72	if (!locale || !memcmp (locale, curlocale, size))
57	return false;	73	return false;
58		74
59	strncpy (curlocale, locale, 128);	75	memcpy (curlocale, locale, size);
60	setlocale (LC_CTYPE, curlocale);	76	setlocale (LC_CTYPE, curlocale);
61	return true;	77	return true;
62	}	78	}
63		79
		80	void
		81	rxvt_push_locale (const char *locale) NOTHROW
		82	{
		83	strcpy (savelocale, curlocale);
		84	rxvt_set_locale (locale);
		85	}
		86
		87	void
		88	rxvt_pop_locale () NOTHROW
		89	{
		90	rxvt_set_locale (savelocale);
		91	}
		92
64	#if ENABLE_COMBINING	93	#if ENABLE_COMBINING
65	class rxvt_composite_vec rxvt_composite;	94	class rxvt_composite_vec rxvt_composite;
66		95
67	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)	96	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
68	{	97	{
69	compose_char *cc;	98	compose_char *cc;
70		99
71	// break compose chains, as stupid readline really likes to duplicate	100	// break compose chains, as stupid readline really likes to duplicate
72	// composing characters for some reason near the end of a line.	101	// composing characters for some reason, near the end of a line.
73	cc = (*this)[c1];	102	cc = (*this)[c1];
74	while (cc)	103	while (cc)
75	{	104	{
76	if (cc->c2 == c2) return c1;	105	if (cc->c2 == c2) return c1;
77	cc = (*this)[cc->c1];	106	cc = (*this)[cc->c1];
78	}	107	}
79		108
80	// check to see wether this combination already exists otherwise	109	// check to see whether this combination already exists otherwise
81	for (cc = v.end (); cc-- > v.begin (); )	110	for (cc = v.begin (); cc < v.end (); cc++)
82	{
83	if (cc->c1 == c1 && cc->c2 == c2)	111	if (cc->c1 == c1 && cc->c2 == c2)
84	return COMPOSE_LO + (cc - v.begin ());	112	return COMPOSE_LO + (cc - v.begin ());
85	}
86		113
87	// allocate a new combination	114	// allocate a new combination
88	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)	115	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
89	{	116	{
90	static int seen;	117	static int seen;
91		118
92	if (!seen++)	119	if (!seen++)
93	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");	120	rxvt_warn ("too many unrepresentable composite characters, try --enable-unicode3\n");
94		121
95	return REPLACEMENT_CHAR;	122	return REPLACEMENT_CHAR;
96	}	123	}
97		124
98	v.push_back (compose_char (c1, c2));	125	v.push_back (compose_char (c1, c2));
…		…
124		151
125	}	152	}
126	#endif	153	#endif
127		154
128	rxvt_term::rxvt_term ()	155	rxvt_term::rxvt_term ()
129	:	156	{
130	#if TRANSPARENT	157	#if HAVE_BG_PIXMAP
131	rootwin_ev (this, &rxvt_term::rootwin_cb),	158	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
132	#endif
133	#ifdef HAVE_SCROLLBARS
134	scrollbar_ev (this, &rxvt_term::x_cb),
135	#endif
136	#ifdef MENUBAR
137	menubar_ev (this, &rxvt_term::x_cb),
138	#endif	159	#endif
139	#ifdef CURSOR_BLINK	160	#ifdef CURSOR_BLINK
140	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),	161	cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
141	#endif	162	#endif
142	#ifdef TEXT_BLINK	163	#ifdef TEXT_BLINK
143	text_blink_ev (this, &rxvt_term::text_blink_cb),	164	text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
144	#endif	165	#endif
145	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING	166	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
146	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),	167	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
147	#endif	168	#endif
148	#ifdef SELECTION_SCROLLING	169	#ifdef SELECTION_SCROLLING
149	sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),	170	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
150	#endif	171	#endif
151	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)	172	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
152	slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),	173	slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
		174	#endif
		175	#if ENABLE_TRANSPARENCY || ENABLE_PERL
		176	rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
		177	#endif
		178	scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
		179	#ifdef USE_XIM
		180	im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
153	#endif	181	#endif
154	#ifdef POINTER_BLANK	182	#ifdef POINTER_BLANK
155	pointer_ev (this, &rxvt_term::pointer_cb),	183	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
156	#endif	184	#endif
157	#ifdef USE_XIM	185	#ifndef NO_BELL
158	im_ev (this, &rxvt_term::im_cb),	186	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
159	#endif	187	#endif
160	sw_term (this, &rxvt_term::sig_term),	188	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
161	sw_chld (this, &rxvt_term::sig_chld),	189	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
162	termwin_ev (this, &rxvt_term::x_cb),	190	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
163	vt_ev (this, &rxvt_term::x_cb),	191	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
164	check_ev (this, &rxvt_term::check_cb),	192	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
165	flush_ev (this, &rxvt_term::flush_cb),	193	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
166	destroy_ev (this, &rxvt_term::destroy_cb),	194
167	pty_ev (this, &rxvt_term::pty_cb),
168	incr_ev (this, &rxvt_term::incr_cb)
169	{
170	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	195	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
171		196
172	termlist.push_back (this);	197	termlist.push_back (this);
173	}
174		198
175	rxvt_term::~rxvt_term ()	199	#ifdef KEYSYM_RESOURCE
176	{	200	keyboard = new keyboard_manager;
177	termlist.erase (find (termlist.begin (), termlist.end(), this));	201	#endif
		202	}
178		203
		204	// clean up the most important stuff, do *not* call x or free mem etc.
		205	// for use before an emergency exit
		206	void
		207	rxvt_term::emergency_cleanup ()
		208	{
179	if (cmd_pid)	209	if (cmd_pid)
180	kill (-cmd_pid, SIGHUP);	210	kill (-cmd_pid, SIGHUP);
181		211
182	pty.put ();	212	pty_ev.stop ();
		213	delete pty; pty = 0;
		214	}
183		215
184	#ifdef UTMP_SUPPORT	216	rxvt_term::~rxvt_term ()
185	privileged_utmp (RESTORE);	217	{
186	#endif	218	termlist.erase (find (termlist.begin (), termlist.end(), this));
		219
		220	emergency_cleanup ();
187		221
188	#if ENABLE_STYLES	222	#if ENABLE_STYLES
189	for (int i = RS_styleCount; --i; )	223	for (int i = RS_styleCount; --i; )
190	if (TermWin.fontset[i] != TermWin.fontset[0])	224	if (fontset[i] != fontset[0])
191	delete TermWin.fontset[i];	225	delete fontset[i];
192	#endif	226	#endif
193	delete TermWin.fontset[0];	227	delete fontset[0];
		228
		229	#ifdef HAVE_BG_PIXMAP
		230	bg_destroy ();
		231	#endif
194		232
195	if (display)	233	if (display)
196	{	234	{
197	selection_clear ();	235	selection_clear ();
		236	selection_clear (true);
198		237
199	#ifdef USE_XIM	238	#ifdef USE_XIM
200	im_destroy ();	239	im_destroy ();
201	#endif	240	#endif
202	#ifdef MENUBAR	241	scrollBar.destroy ();
203	if (menubarGC) XFreeGC (display->display, menubarGC);	242	if (gc) XFreeGC (dpy, gc);
204	#endif
205	#ifdef XTERM_SCROLLBAR
206	if (xscrollbarGC) XFreeGC (display->display, xscrollbarGC);
207	if (ShadowGC) XFreeGC (display->display, ShadowGC);
208	#endif
209	#ifdef PLAIN_SCROLLBAR
210	if (pscrollbarGC) XFreeGC (display->display, pscrollbarGC);
211	#endif
212	#ifdef NEXT_SCROLLBAR
213	if (blackGC) XFreeGC (display->display, blackGC);
214	if (whiteGC) XFreeGC (display->display, whiteGC);
215	if (grayGC) XFreeGC (display->display, grayGC);
216	if (darkGC) XFreeGC (display->display, darkGC);
217	if (stippleGC) XFreeGC (display->display, stippleGC);
218	if (dimple) XFreePixmap (display->display, dimple);
219	if (upArrow) XFreePixmap (display->display, upArrow);
220	if (downArrow) XFreePixmap (display->display, downArrow);
221	if (upArrowHi) XFreePixmap (display->display, upArrowHi);
222	if (downArrowHi) XFreePixmap (display->display, downArrowHi);
223	#endif
224	#if defined(MENUBAR) || defined(RXVT_SCROLLBAR)
225	if (topShadowGC) XFreeGC (display->display, topShadowGC);
226	if (botShadowGC) XFreeGC (display->display, botShadowGC);
227	if (scrollbarGC) XFreeGC (display->display, scrollbarGC);
228	#endif
229	if (TermWin.gc) XFreeGC (display->display, TermWin.gc);
230		243
231	#if defined(MENUBAR) && (MENUBAR_MAX > 1)
232	delete menuBar.drawable;	244	delete drawable;
233	//if (menuBar.win)
234	// XDestroyWindow (display->display, menuBar.win);
235	#endif
236	delete TermWin.drawable;
237	// destroy all windows	245	// destroy all windows
238	if (TermWin.parent[0])	246	if (parent)
239	XDestroyWindow (display->display, TermWin.parent[0]);	247	XDestroyWindow (dpy, parent);
240	}
241		248
242	// TODO: free pixcolours, colours should become part of rxvt_display	249	for (int i = 0; i < TOTAL_COLORS; i++)
243		250	if (ISSET_PIXCOLOR (i))
244	delete pix_colors_focused;	251	{
		252	pix_colors_focused [i].free (this);
245	#ifdef OFF_FOCUS_FADING	253	#if OFF_FOCUS_FADING
246	delete pix_colors_unfocused;	254	pix_colors_unfocused [i].free (this);
247	#endif	255	#endif
		256	}
248		257
		258	clear ();
		259
		260	display->flush (); /* ideally .put should do this */
249	displays.put (display);	261	displays.put (display);
		262	}
250		263
251	scr_release ();	264	scr_release ();
252		265
253	/* clear all resources */	266	/* clear all resources */
254	for (int i = 0; i < allocated.size (); i++)	267	for (int i = 0; i < allocated.size (); i++)
255	free (allocated[i]);	268	free (allocated [i]);
256		269
257	free (selection.text);	270	free (selection.text);
258	// TODO: manage env vars in child only(!)	271	free (selection.clip_text);
259	free (env_windowid);
260	free (env_display);
261	free (env_term);
262	free (env_colorfgbg);
263	free (locale);	272	free (locale);
264	#if 0	273	free (v_buffer);
265	free (codeset);	274
266	#endif	275	delete selection_req;
267		276
268	delete envv;	277	delete envv;
269	delete argv;	278	delete argv;
		279
		280	#ifdef KEYSYM_RESOURCE
		281	delete keyboard;
		282	#endif
		283	#ifndef NO_RESOURCES
		284	XrmDestroyDatabase (option_db);
		285	#endif
		286	}
		287
		288	// child has exited, usually destroys
		289	void
		290	rxvt_term::child_cb (ev::child &w, int status)
		291	{
		292	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		293
		294	cmd_pid = 0;
		295
		296	if (!option (Opt_hold))
		297	destroy ();
270	}	298	}
271		299
272	void	300	void
273	rxvt_term::destroy ()	301	rxvt_term::destroy ()
274	{	302	{
275	if (destroy_ev.active)	303	if (destroy_ev.is_active ())
276	return;	304	return;
		305
		306	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
277		307
278	#if ENABLE_OVERLAY	308	#if ENABLE_OVERLAY
279	scr_overlay_off ();	309	scr_overlay_off ();
280	#endif	310	#endif
281		311
282	if (display)	312	if (display)
283	{	313	{
284	#if USE_XIM	314	#if USE_XIM
285	im_ev.stop (display);	315	im_ev.stop (display);
286	#endif	316	#endif
287	#if HAVE_SCROLLBARS
288	scrollbar_ev.stop (display);	317	scrollbar_ev.stop (display);
289	#endif	318	#if ENABLE_TRANSPARENCY || ENABLE_PERL
290	#if MENUBAR
291	menubar_ev.stop (display);
292	#endif
293	#if TRANSPARENT
294	rootwin_ev.stop (display);	319	rootwin_ev.stop (display);
295	#endif	320	#endif
296	incr_ev.stop ();
297	termwin_ev.stop (display);	321	termwin_ev.stop (display);
298	vt_ev.stop (display);	322	vt_ev.stop (display);
299	}	323	}
300		324
301	check_ev.stop ();	325	flush_ev.stop ();
302	pty_ev.stop ();	326	pty_ev.stop ();
303	#ifdef CURSOR_BLINK	327	#ifdef CURSOR_BLINK
304	cursor_blink_ev.stop ();	328	cursor_blink_ev.stop ();
305	#endif	329	#endif
306	#ifdef TEXT_BLINK	330	#ifdef TEXT_BLINK
…		…
314	#endif	338	#endif
315	#ifdef POINTER_BLANK	339	#ifdef POINTER_BLANK
316	pointer_ev.stop ();	340	pointer_ev.stop ();
317	#endif	341	#endif
318		342
319	destroy_ev.start (0);	343	destroy_ev.start ();
320	}	344	}
321		345
322	void	346	void
323	rxvt_term::destroy_cb (time_watcher &w)	347	rxvt_term::destroy_cb (ev::idle &w, int revents)
324	{	348	{
325	SET_R (this);	349	make_current ();
326		350
327	delete this;	351	delete this;
328	}	352	}
329		353
330	/*----------------------------------------------------------------------*/	354	void
331	/* rxvt_init () */	355	rxvt_term::set_option (uint8_t opt, bool set)
332	bool
333	rxvt_term::init (int argc, const char *const *argv)
334	{	356	{
335	SET_R (this);	357	if (!opt)
336
337	if (!init_vars ())
338	return false;	358	return;
339		359
340	init_secondary ();	360	uint8_t mask = 1 << (opt & 7);
		361	uint8_t &val = options [opt >> 3];
341		362
342	const char **cmd_argv = init_resources (argc, argv);	363	val = val & ~mask | (set ? mask : 0);
343
344	set_locale ("");
345
346	#if MENUBAR_MAX
347	menubar_read (rs[Rs_menu]);
348	#endif
349	#ifdef HAVE_SCROLLBARS
350	if (options & Opt_scrollBar)
351	scrollBar.setIdle (); /* set existence for size calculations */
352	#endif
353
354	create_windows (argc, argv);
355
356	init_xlocale ();
357
358	scr_reset (); /* initialize screen */
359
360	#if 0
361	XSynchronize (display->display, True);
362	#endif
363
364	#ifdef HAVE_SCROLLBARS
365	if (options & Opt_scrollBar)
366	resize_scrollbar (); /* create and map scrollbar */
367	#endif
368	#if (MENUBAR_MAX)
369	if (menubar_visible ())
370	XMapWindow (display->display, menuBar.win);
371	#endif
372	#ifdef TRANSPARENT
373	if (options & Opt_transparent)
374	{
375	XSelectInput (display->display, display->root, PropertyChangeMask);
376	check_our_parents ();
377	rootwin_ev.start (display, display->root);
378	}
379	#endif
380
381	XMapWindow (display->display, TermWin.vt);
382	XMapWindow (display->display, TermWin.parent[0]);
383
384	set_colorfgbg ();
385
386	init_command (cmd_argv);
387
388	pty_ev.start (pty.pty, EVENT_READ);
389
390	check_ev.start ();
391
392	return true;
393	}
394
395	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
396
397	void
398	rxvt_init ()
399	{
400	/*
401	* Save and then give up any super-user privileges
402	* If we need privileges in any area then we must specifically request it.
403	* We should only need to be root in these cases:
404	* 1. write utmp entries on some systems
405	* 2. chown tty on some systems
406	*/
407	rxvt_privileges (SAVE);
408	rxvt_privileges (IGNORE);
409
410	signal (SIGHUP, SIG_IGN);
411	signal (SIGPIPE, SIG_IGN);
412
413	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
414	/* signal (SIGURG, SIG_DFL); */
415
416	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
417	// TODO: handle this with exceptions and tolerate the memory loss
418	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
419	}
420
421	/* ------------------------------------------------------------------------- *
422	* SIGNAL HANDLING & EXIT HANDLER *
423	* ------------------------------------------------------------------------- */
424	/*
425	* Catch a SIGCHLD signal and exit if the direct child has died
426	*/
427
428	void
429	rxvt_term::sig_chld (sig_watcher &w)
430	{
431	// we are being called for every SIGCHLD, not just ours
432	int pid;
433
434	while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
435	for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
436	if (pid == (*t)->cmd_pid)
437	{
438	(*t)->destroy ();
439	break;
440	}
441	}	364	}
442		365
443	/*----------------------------------------------------------------------*/	366	/*----------------------------------------------------------------------*/
444	/*	367	/*
445	* Exit gracefully, clearing the utmp entry and restoring tty attributes	368	* Exit gracefully, clearing the utmp entry and restoring tty attributes
446	* TODO: if debugging, this should free up any known resources if we can	369	* TODO: if debugging, this should free up any known resources if we can
447	*/	370	*/
448	void	371	static XErrorHandler old_xerror_handler;
449	rxvt_destroy_all ()	372
		373	static void
		374	rxvt_emergency_cleanup ()
450	{	375	{
451	// TODO: rxvtd should clean up all ressources
452	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)	376	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
453	(*t)->destroy ();	377	(*t)->emergency_cleanup ();
454	}	378	}
455		379
456	/*	380	#if !ENABLE_MINIMAL
457	* Catch a fatal signal and tidy up before quitting	381	static void
458	*/	382	print_x_error (Display *dpy, XErrorEvent *event)
459	void
460	rxvt_term::sig_term (sig_watcher &w)
461	{	383	{
462	#ifdef DEBUG_CMD	384	char buffer[BUFSIZ];
463	rxvt_warn ("caught signal %d, exiting.\n", w.signum);	385	char mesg[BUFSIZ];
464	#endif	386	char number[32];
465	rxvt_destroy_all ();	387	const char mtype[] = "XlibMessage";
466	signal (w.signum, SIG_DFL);	388	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
467	kill (getpid (), w.signum);	389	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		390	rxvt_warn ("An X Error occurred, trying to continue after report.\n");
		391	rxvt_warn ("%s: %s\n", mesg, buffer);
		392	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		393	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		394	sprintf(number, "%d", event->request_code);
		395	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		396	rxvt_warn ("(which is %s)\n", buffer);
		397	if (event->request_code >= 128) {
		398	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		399	mesg, BUFSIZ);
		400	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		401	}
		402	if ((event->error_code == BadWindow) ||
		403	(event->error_code == BadPixmap) ||
		404	(event->error_code == BadCursor) ||
		405	(event->error_code == BadFont) ||
		406	(event->error_code == BadDrawable) ||
		407	(event->error_code == BadColor) ||
		408	(event->error_code == BadGC) ||
		409	(event->error_code == BadIDChoice) ||
		410	(event->error_code == BadValue) ||
		411	(event->error_code == BadAtom)) {
		412	if (event->error_code == BadValue)
		413	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		414	mesg, BUFSIZ);
		415	else if (event->error_code == BadAtom)
		416	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		417	mesg, BUFSIZ);
		418	else
		419	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		420	mesg, BUFSIZ);
		421	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		422	}
		423	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		424	mesg, BUFSIZ);
		425	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
468	}	426	}
		427	#endif
469		428
470	/* INTPROTO */
471	int	429	int
472	rxvt_xerror_handler (Display *display, XErrorEvent *event)	430	rxvt_xerror_handler (Display *display, XErrorEvent *event)
473	{	431	{
474	if (GET_R->allowedxerror == -1)	432	if (GET_R->allowedxerror == -1)
475	GET_R->allowedxerror = event->error_code;	433	GET_R->allowedxerror = event->error_code;
476	else	434	else
477	{	435	{
		436	// GET_R is most likely not the terminal which caused the error,
		437	// so just output the error and continue
		438	#if ENABLE_MINIMAL
478	old_xerror_handler (display, event);	439	old_xerror_handler (display, event);
479	GET_R->destroy ();	440	#else
		441	print_x_error (display, event);
		442	#endif
480	}	443	}
481		444
482	return 0;	445	return 0;
483	}	446	}
484		447
485	/* ------------------------------------------------------------------------- *	448	int
486	* MEMORY ALLOCATION WRAPPERS *	449	rxvt_xioerror_handler (Display *display)
487	* ------------------------------------------------------------------------- */	450	{
		451	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		452	DisplayString (display));
		453	rxvt_emergency_cleanup ();
		454	_exit (EXIT_FAILURE);
		455	}
		456
		457	static struct sig_handlers
		458	{
		459	ev::sig sw_term, sw_int;
		460
		461	/*
		462	* Catch a fatal signal and tidy up before quitting
		463	*/
		464	void sig_term (ev::sig &w, int revents);
		465
		466	sig_handlers ()
		467	{
		468	sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
		469	sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
		470	}
		471	} sig_handlers;
		472
488	void *	473	void
489	rxvt_malloc (size_t size)	474	sig_handlers::sig_term (ev::sig &w, int revents)
490	{	475	{
491	void *p = malloc (size);	476	rxvt_emergency_cleanup ();
492		477	w.stop ();
493	if (!p)	478	kill (getpid (), w.signum);
494	rxvt_fatal ("memory allocation failure. aborting.\n");
495
496	return p;
497	}	479	}
498		480
499	/* INTPROTO */	481	static void
500	void *	482	rxvt_get_ttymode (struct termios *tio)
501	rxvt_calloc (size_t number, size_t size)
502	{	483	{
503	void *p = calloc (number, size);	484	if (tcgetattr (STDIN_FILENO, tio) < 0)
		485	memset (tio, 0, sizeof (struct termios));
504		486
505	if (!p)	487	for (int i = 0; i < NCCS; i++)
506	rxvt_fatal ("memory allocation failure. aborting.\n");	488	tio->c_cc[i] = VDISABLE;
507		489
508	return p;	490	tio->c_cc[VINTR] = CINTR;
509	}	491	tio->c_cc[VQUIT] = CQUIT;
510		492	tio->c_cc[VERASE] = CERASE;
511	/* INTPROTO */	493	#ifdef VERASE2
512	void *	494	tio->c_cc[VERASE2] = CERASE2;
513	rxvt_realloc (void *ptr, size_t size)
514	{
515	void *p = realloc (ptr, size);
516
517	if (!p)
518	rxvt_fatal ("memory allocation failure. aborting.\n");
519
520	return p;
521	}
522
523	/* ------------------------------------------------------------------------- *
524	* PRIVILEGED OPERATIONS *
525	* ------------------------------------------------------------------------- */
526	/* take care of suid/sgid super-user (root) privileges */
527	void
528	rxvt_privileges (rxvt_privaction action)
529	{
530	#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
531	static uid_t euid;
532	static gid_t egid;
533	#endif	495	#endif
534		496	tio->c_cc[VKILL] = CKILL;
535	#if ! defined(__CYGWIN32__)	497	tio->c_cc[VEOF] = CEOF;
536	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	498	tio->c_cc[VSTART] = CSTART;
537	/* setreuid () is the poor man's setuid (), seteuid () */	499	tio->c_cc[VSTOP] = CSTOP;
538	# define seteuid(a) setreuid(-1, (a))	500	tio->c_cc[VSUSP] = CSUSP;
539	# define setegid(a) setregid(-1, (a))	501	# ifdef VDSUSP
540	# define HAVE_SETEUID	502	tio->c_cc[VDSUSP] = CDSUSP;
541	# endif	503	# endif
542	# ifdef HAVE_SETEUID	504	# ifdef VREPRINT
543	switch (action)	505	tio->c_cc[VREPRINT] = CRPRNT;
544	{
545	case IGNORE:
546	/*
547	* change effective uid/gid - not real uid/gid - so we can switch
548	* back to root later, as required
549	*/
550	seteuid (getuid ());
551	setegid (getgid ());
552	break;
553	case SAVE:
554	euid = geteuid ();
555	egid = getegid ();
556	break;
557	case RESTORE:
558	seteuid (euid);
559	setegid (egid);
560	break;
561	}
562	# else
563	switch (action)
564	{
565	case IGNORE:
566	setuid (getuid ());
567	setgid (getgid ());
568	/* FALLTHROUGH */
569	case SAVE:
570	/* FALLTHROUGH */
571	case RESTORE:
572	break;
573	}
574	# endif	506	# endif
		507	# ifdef VDISCRD
		508	tio->c_cc[VDISCRD] = CFLUSH;
575	#endif	509	# endif
576	}	510	# ifdef VWERSE
577		511	tio->c_cc[VWERSE] = CWERASE;
578	#ifdef UTMP_SUPPORT
579	void
580	rxvt_term::privileged_utmp (rxvt_privaction action)
581	{
582	if ((options & Opt_utmpInhibit)
583	|| !pty.name || !*pty.name)
584	return;
585
586	rxvt_privileges (RESTORE);
587
588	if (action == SAVE)
589	makeutent (pty.name, rs[Rs_display_name]);
590	else
591	cleanutent ();
592
593	rxvt_privileges (IGNORE);
594	}
595	#endif	512	# endif
		513	# ifdef VLNEXT
		514	tio->c_cc[VLNEXT] = CLNEXT;
		515	# endif
		516	# ifdef VSTATUS
		517	tio->c_cc[VSTATUS] = CSTATUS;
		518	# endif
		519
		520	# if VMIN != VEOF
		521	tio->c_cc[VMIN] = 1;
		522	# endif
		523	# if VTIME != VEOL
		524	tio->c_cc[VTIME] = 0;
		525	# endif
		526
		527	/* input modes */
		528	tio->c_iflag = (BRKINT | IGNPAR | ICRNL
		529	# ifdef IMAXBEL
		530	| IMAXBEL
		531	# endif
		532	| IXON);
		533
		534	/* output modes */
		535	tio->c_oflag = (OPOST | ONLCR);
		536
		537	/* control modes */
		538	tio->c_cflag = (CS8 | CREAD);
		539
		540	/* local modes */
		541	tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
		542	# if defined (ECHOCTL) && defined (ECHOKE)
		543	| ECHOCTL | ECHOKE
		544	# endif
		545	| ECHOE | ECHOK);
		546	}
		547
		548	char **rxvt_environ; // startup environment
		549
		550	void
		551	rxvt_init ()
		552	{
		553	assert (("fontMask must not overlap other RS masks",
		554	0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
		555
		556	rxvt_get_ttymode (&rxvt_term::def_tio);
		557
		558	// get rid of stdin/stdout as we don't need them, to free resources
		559	dup2 (STDERR_FILENO, STDIN_FILENO);
		560	dup2 (STDERR_FILENO, STDOUT_FILENO);
		561
		562	if (!ev_default_loop ())
		563	rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
		564
		565	rxvt_environ = environ;
		566
		567	signal (SIGHUP, SIG_IGN);
		568	signal (SIGPIPE, SIG_IGN);
		569
		570	sig_handlers.sw_term.start (SIGTERM); ev_unref ();
		571	sig_handlers.sw_int.start (SIGINT); ev_unref ();
		572
		573	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		574	// TODO: handle this with exceptions and tolerate the memory loss
		575	XSetIOErrorHandler (rxvt_xioerror_handler);
		576
		577	XrmInitialize ();
		578	}
596		579
597	/*----------------------------------------------------------------------*/	580	/*----------------------------------------------------------------------*/
598	/*	581	/*
599	* window size/position calculcations for XSizeHint and other storage.	582	* window size/position calculations for XSizeHint and other storage.
600	* if width/height are non-zero then override calculated width/height	583	* if width/height are non-zero then override calculated width/height
601	*/	584	*/
602	void	585	void
603	rxvt_term::window_calc (unsigned int width, unsigned int height)	586	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
604	{	587	{
605	short recalc_x, recalc_y;	588	short recalc_x, recalc_y;
606	int x, y, sb_w, mb_h, flags;	589	int x, y, flags;
607	unsigned int w, h;	590	unsigned int w, h;
608	unsigned int max_width, max_height;	591	unsigned int max_width, max_height;
609		592
610	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
611	TermWin.ncol, TermWin.nrow, szHint.width,
612	szHint.height));
613	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	593	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
614	szHint.win_gravity = NorthWestGravity;	594	szHint.win_gravity = NorthWestGravity;
615	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	595	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
616		596
617	recalc_x = recalc_y = 0;	597	recalc_x = recalc_y = 0;
618	flags = 0;	598	flags = 0;
		599
619	if (!parsed_geometry)	600	if (!parsed_geometry)
620	{	601	{
621	parsed_geometry = 1;	602	parsed_geometry = 1;
		603
622	if (rs[Rs_geometry])	604	if (rs[Rs_geometry])
623	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);	605	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		606
624	if (flags & WidthValue)	607	if (flags & WidthValue)
625	{	608	{
626	TermWin.ncol = BOUND_POSITIVE_INT16 (w);	609	if (!w)
		610	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		611
		612	ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
627	szHint.flags |= USSize;	613	szHint.flags |= USSize;
628	}	614	}
		615
629	if (flags & HeightValue)	616	if (flags & HeightValue)
630	{	617	{
631	TermWin.nrow = BOUND_POSITIVE_INT16 (h);	618	if (!h)
		619	rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
		620
		621	nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
632	szHint.flags |= USSize;	622	szHint.flags |= USSize;
633	}	623	}
		624
634	if (flags & XValue)	625	if (flags & XValue)
635	{	626	{
636	szHint.x = x;	627	szHint.x = x;
637	szHint.flags |= USPosition;	628	szHint.flags |= USPosition;
		629
638	if (flags & XNegative)	630	if (flags & XNegative)
639	{	631	{
640	recalc_x = 1;	632	recalc_x = 1;
641	szHint.win_gravity = NorthEastGravity;	633	szHint.win_gravity = NorthEastGravity;
642	}	634	}
643	}	635	}
		636
644	if (flags & YValue)	637	if (flags & YValue)
645	{	638	{
646	szHint.y = y;	639	szHint.y = y;
647	szHint.flags |= USPosition;	640	szHint.flags |= USPosition;
		641
648	if (flags & YNegative)	642	if (flags & YNegative)
649	{	643	{
650	recalc_y = 1;	644	recalc_y = 1;
		645
651	if (szHint.win_gravity == NorthEastGravity)	646	if (szHint.win_gravity == NorthEastGravity)
652	szHint.win_gravity = SouthEastGravity;	647	szHint.win_gravity = SouthEastGravity;
653	else	648	else
654	szHint.win_gravity = SouthWestGravity;	649	szHint.win_gravity = SouthWestGravity;
655	}	650	}
656	}	651	}
657	}	652	}
658		653
659	/* TODO: BOUNDS */	654	/* TODO: BOUNDS */
660	TermWin.width = TermWin.ncol * TermWin.fwidth;	655	width = ncol * fwidth;
661	TermWin.height = TermWin.nrow * TermWin.fheight;	656	height = nrow * fheight;
662	max_width = MAX_COLS * TermWin.fwidth;	657	max_width = MAX_COLS * fwidth;
663	max_height = MAX_ROWS * TermWin.fheight;	658	max_height = MAX_ROWS * fheight;
664		659
665	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	660	szHint.base_width = szHint.base_height = 2 * int_bwidth;
666		661
667	sb_w = mb_h = 0;
668	window_vt_x = window_vt_y = TermWin.int_bwidth;	662	window_vt_x = window_vt_y = int_bwidth;
669		663
670	if (scrollbar_visible ())	664	if (scrollBar.state)
671	{	665	{
672	sb_w = scrollbar_TotalWidth ();	666	int sb_w = scrollBar.total_width ();
673	szHint.base_width += sb_w;	667	szHint.base_width += sb_w;
		668
674	if (!(options & Opt_scrollBar_right))	669	if (!option (Opt_scrollBar_right))
675	window_vt_x += sb_w;	670	window_vt_x += sb_w;
676	}	671	}
677		672
678	if (menubar_visible ())
679	{
680	mb_h = menuBar_TotalHeight ();
681	szHint.base_height += mb_h;
682	window_vt_y += mb_h;
683	}
684
685	szHint.width_inc = TermWin.fwidth;	673	szHint.width_inc = fwidth;
686	szHint.height_inc = TermWin.fheight;	674	szHint.height_inc = fheight;
687	szHint.min_width = szHint.base_width + szHint.width_inc;	675	szHint.min_width = szHint.base_width + szHint.width_inc;
688	szHint.min_height = szHint.base_height + szHint.height_inc;	676	szHint.min_height = szHint.base_height + szHint.height_inc;
689		677
690	if (width && width - szHint.base_width < max_width)	678	if (newwidth && newwidth - szHint.base_width < max_width)
691	{	679	{
692	szHint.width = width;	680	szHint.width = newwidth;
693	TermWin.width = width - szHint.base_width;	681	width = newwidth - szHint.base_width;
694	}	682	}
695	else	683	else
696	{	684	{
697	MIN_IT (TermWin.width, max_width);	685	min_it (width, max_width);
698	szHint.width = szHint.base_width + TermWin.width;	686	szHint.width = szHint.base_width + width;
699	}	687	}
700		688
701	if (height && height - szHint.base_height < max_height)	689	if (newheight && newheight - szHint.base_height < max_height)
702	{	690	{
703	szHint.height = height;	691	szHint.height = newheight;
704	TermWin.height = height - szHint.base_height;	692	height = newheight - szHint.base_height;
705	}	693	}
706	else	694	else
707	{	695	{
708	MIN_IT (TermWin.height, max_height);	696	min_it (height, max_height);
709	szHint.height = szHint.base_height + TermWin.height;	697	szHint.height = szHint.base_height + height;
710	}	698	}
711
712	if (scrollbar_visible () && (options & Opt_scrollBar_right))
713	window_sb_x = szHint.width - sb_w;
714		699
715	if (recalc_x)	700	if (recalc_x)
716	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	701	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
717	- szHint.width - 2 * TermWin.ext_bwidth);	702
718	if (recalc_y)	703	if (recalc_y)
719	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	704	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
720	- szHint.height - 2 * TermWin.ext_bwidth);
721		705
722	TermWin.ncol = TermWin.width / TermWin.fwidth;	706	ncol = width / fwidth;
723	TermWin.nrow = TermWin.height / TermWin.fheight;	707	nrow = height / fheight;
724	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	708
725	TermWin.ncol, TermWin.nrow, szHint.width,	709	// When the size of the vt window is not a multiple of the cell
726	szHint.height));	710	// size, i.e., when the wm does not honour our size hints, there are
727	return;	711	// extra areas not covered by the terminal screen. Such gaps, when a
		712	// bg pixmap is set, would have to be cleared manually to properly
		713	// refresh the background. We take the simpler route and shrink the
		714	// vt window so as to avoid creating gaps.
		715	width = ncol * fwidth;
		716	height = nrow * fheight;
728	}	717	}
729		718
730	/*----------------------------------------------------------------------*/	719	/*----------------------------------------------------------------------*/
731	/*	720	/*
732	* Tell the teletype handler what size the window is.	721	* Tell the teletype handler what size the window is.
733	* Called after a window size change.	722	* Called after a window size change.
734	*/	723	*/
735	void	724	void
736	rxvt_term::tt_winch ()	725	rxvt_term::tt_winch ()
737	{	726	{
738	if (pty.pty < 0)	727	if (pty->pty < 0)
739	return;	728	return;
740		729
741	struct winsize ws;	730	struct winsize ws;
742		731
743	ws.ws_col = TermWin.ncol;	732	ws.ws_col = ncol;
744	ws.ws_row = TermWin.nrow;	733	ws.ws_row = nrow;
745	ws.ws_xpixel = TermWin.width;	734	ws.ws_xpixel = width;
746	ws.ws_ypixel = TermWin.height;	735	ws.ws_ypixel = height;
747	(void)ioctl (pty.pty, TIOCSWINSZ, &ws);	736	ioctl (pty->pty, TIOCSWINSZ, &ws);
748		737
749	#if 0	738	#if 0
750	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly	739	// TIOCSWINSZ is supposed to do this automatically and correctly
751	if (cmd_pid) /* force through to the command */	740	if (cmd_pid) /* force through to the command */
752	kill (cmd_pid, SIGWINCH);	741	kill (-cmd_pid, SIGWINCH);
753	#endif	742	#endif
754	}	743	}
755		744
756	/*----------------------------------------------------------------------*/	745	/*----------------------------------------------------------------------*/
757	/* set_fonts () - load and set the various fonts	746	/* load and set the various fonts */
758	/*
759	* init = 1 - initialize
760	*
761	* fontname == FONT_UP - switch to bigger font
762	* fontname == FONT_DN - switch to smaller font
763	*/
764	bool	747	bool
765	rxvt_term::set_fonts ()	748	rxvt_term::set_fonts ()
766	{	749	{
767	rxvt_fontset *fs = new rxvt_fontset (this);	750	rxvt_fontset *fs = new rxvt_fontset (this);
768	rxvt_fontprop prop;	751	rxvt_fontprop prop;
…		…
775	return false;	758	return false;
776	}	759	}
777		760
778	#if ENABLE_STYLES	761	#if ENABLE_STYLES
779	for (int i = RS_styleCount; --i; )	762	for (int i = RS_styleCount; --i; )
780	if (TermWin.fontset[i] != TermWin.fontset[0])	763	if (fontset[i] != fontset[0])
781	delete TermWin.fontset[i];	764	delete fontset[i];
782	#endif	765	#endif
783		766
784	delete TermWin.fontset[0];	767	delete fontset[0];
785	TermWin.fontset[0] = fs;	768	fontset[0] = fs;
786		769
787	prop = (*fs)[1]->properties ();	770	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
		771	prop.height += lineSpace;
		772	prop.width += letterSpace;
		773
788	fs->set_prop (prop);	774	fs->set_prop (prop, false);
789		775
790	TermWin.fwidth = prop.width;	776	fwidth = prop.width;
791	TermWin.fheight = prop.height;	777	fheight = prop.height;
792	TermWin.fweight = prop.weight;	778	fbase = prop.ascent;
793	TermWin.fslant = prop.slant;
794	TermWin.fbase = (*fs)[1]->ascent;
795		779
796	for (int style = 1; style < 4; style++)	780	for (int style = 1; style < 4; style++)
797	{	781	{
798	#if ENABLE_STYLES	782	#if ENABLE_STYLES
799	const char *res = rs[Rs_font + style];	783	const char *res = rs[Rs_font + style];
800		784
801	if (res && !*res)	785	if (res && !*res)
802	TermWin.fontset[style] = TermWin.fontset[0];	786	fontset[style] = fontset[0];
803	else	787	else
804	{	788	{
805	TermWin.fontset[style] = fs = new rxvt_fontset (this);	789	fontset[style] = fs = new rxvt_fontset (this);
806	rxvt_fontprop prop2 = prop;	790	rxvt_fontprop prop2 = prop;
807		791
808	if (res)	792	if (res)
809	prop2.weight = prop2.slant = rxvt_fontprop::unset;	793	{
		794	fs->populate (res);
		795	fs->set_prop (prop2, false);
		796	}
810	else	797	else
811	{	798	{
812	res = TermWin.fontset[0]->fontdesc;	799	fs->populate (fontset[0]->fontdesc);
813		800
814	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;	801	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
815	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;	802	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
		803
		804	fs->set_prop (prop2, true);
816	}	805	}
817		806
818	fs->populate (res);
819	fs->set_prop (prop2);
820	}	807	}
821	#else	808	#else
822	TermWin.fontset[style] = TermWin.fontset[0];	809	fontset[style] = fontset[0];
823	#endif	810	#endif
824	}	811	}
825		812
826	if (TermWin.parent[0])	813	if (parent)
827	{	814	{
828	resize_all_windows (0, 0, 0);	815	resize_all_windows (0, 0, 0);
829	scr_remap_chars ();	816	scr_remap_chars ();
830	scr_touch (true);	817	scr_touch (true);
831	}	818	}
832		819
833	return true;	820	return true;
		821	}
		822
		823	void
		824	rxvt_term::set_string_property (Atom prop, const char *str, int len)
		825	{
		826	XChangeProperty (dpy, parent,
		827	prop, XA_STRING, 8, PropModeReplace,
		828	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		829	}
		830
		831	void
		832	rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
		833	{
		834	XTextProperty ct;
		835
		836	if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
		837	{
		838	XSetTextProperty (dpy, parent, &ct, prop);
		839	XFree (ct.value);
		840	}
		841	}
		842
		843	void
		844	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		845	{
		846	wchar_t *ws = rxvt_mbstowcs (str, len);
		847	char *s = rxvt_wcstoutf8 (ws);
		848
		849	XChangeProperty (dpy, parent,
		850	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		851	(const unsigned char *)s, strlen (s));
		852
		853	free (s);
		854	free (ws);
834	}	855	}
835		856
836	/*----------------------------------------------------------------------*/	857	/*----------------------------------------------------------------------*/
837	/*----------------------------------------------------------------------*/	858	/*----------------------------------------------------------------------*/
838	/* xterm sequences - title, iconName, color (exptl) */	859	/* xterm sequences - title, iconName, color (exptl) */
839	void	860	void
840	rxvt_term::set_title (const char *str)	861	rxvt_term::set_title (const char *str)
841	{	862	{
842	#ifdef SMART_WINDOW_TITLE	863	set_mbstring_property (XA_WM_NAME, str);
843	char *name;	864	#if ENABLE_EWMH
844		865	set_utf8_property (xa[XA_NET_WM_NAME], str);
845	if (!XFetchName (display->display, TermWin.parent[0], &name))
846	name = NULL;
847
848	if (name == NULL || strcmp (name, str))
849	#endif
850	XStoreName (display->display, TermWin.parent[0], str);
851
852	#ifdef SMART_WINDOW_TITLE
853	if (name)
854	XFree (name);
855	#endif	866	#endif
856	}	867	}
857		868
858	void	869	void
859	rxvt_term::set_icon_name (const char *str)	870	rxvt_term::set_icon_name (const char *str)
860	{	871	{
861	#ifdef SMART_WINDOW_TITLE	872	set_mbstring_property (XA_WM_ICON_NAME, str);
862	char *name;	873	#if ENABLE_EWMH
863		874	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
864	if (!XGetIconName (display->display, TermWin.parent[0], &name))
865	name = NULL;
866
867	if (name == NULL || strcmp (name, str))
868	#endif	875	#endif
869	XSetIconName (display->display, TermWin.parent[0], str);
870
871	#ifdef SMART_WINDOW_TITLE
872	if (name)
873	XFree (name);
874	#endif
875	}	876	}
876		877
		878	void
		879	rxvt_term::set_window_color (int idx, const char *color)
		880	{
877	#ifdef XTERM_COLOR_CHANGE	881	#ifdef XTERM_COLOR_CHANGE
878	void
879	rxvt_term::set_window_color (int idx, const char *color)
880	{
881	rxvt_color xcol;	882	rxvt_color xcol;
882	int i;
883		883
884	if (color == NULL || *color == '\0')	884	if (color == NULL || *color == '\0')
885	return;	885	return;
886		886
		887	color = strdup (color);
		888	allocated.push_back ((void *)color);
		889	rs[Rs_color + idx] = color;
		890
887	/* handle color aliases */	891	/* handle color aliases */
888	if (isdigit (*color))	892	if (isdigit (*color))
889	{	893	{
890	i = atoi (color);	894	int i = atoi (color);
		895
891	if (i >= 8 && i <= 15)	896	if (i >= 8 && i <= 15)
		897	{
892	{ /* bright colors */	898	/* bright colors */
893	i -= 8;
894	# ifndef NO_BRIGHTCOLOR
895	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];	899	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
896	SET_PIXCOLOR (idx);
897	goto Done;	900	goto done;
898	# endif
899
900	}	901	}
		902
901	if (i >= 0 && i <= 7)	903	if (i >= 0 && i <= 7)
		904	{
902	{ /* normal colors */	905	/* normal colors */
903	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];	906	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
904	SET_PIXCOLOR (idx);
905	goto Done;	907	goto done;
906	}	908	}
907	}	909	}
908		910
909	if (!rXParseAllocColor (& xcol, color))	911	set_color (xcol, color);
910	return;
911
912	/* XStoreColor (display->display, display->cmap, XColor*); */
913		912
914	/*	913	/*
915	* FIXME: should free colors here, but no idea how to do it so instead,	914	* FIXME: should free colors here, but no idea how to do it so instead,
916	* so just keep gobbling up the colormap	915	* so just keep gobbling up the colormap
917	*/	916	*/
918	# if 0
919	for (i = Color_Black; i <= Color_White; i++)
920	if (pix_colors[idx] == pix_colors[i])
921	break;
922	if (i > Color_White)
923	{
924	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
925	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
926	DisplayPlanes (display->display, display->screen));
927	}
928	# endif
929		917
930	pix_colors_focused[idx] = xcol;	918	pix_colors_focused[idx] = xcol;
931	SET_PIXCOLOR (idx);
932		919
933	/* XSetWindowAttributes attr; */
934	/* Cursor cursor; */
935	Done:	920	done:
936	#ifdef OFF_FOCUS_FADING
937	if (rs[Rs_fade])
938	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]));
939	#endif
940
941	/*TODO: handle Color_BD, scrollbar background, etc. */	921	/*TODO: handle Color_BD, scrollbar background, etc. */
942		922
		923	update_fade_color (idx);
943	recolour_cursor ();	924	recolour_cursor ();
944	scr_recolour ();	925	scr_recolour ();
		926	#endif /* XTERM_COLOR_CHANGE */
945	}	927	}
946
947	#else
948	# define set_window_color (idx,color) ((void)0)
949	#endif /* XTERM_COLOR_CHANGE */
950		928
951	void	929	void
952	rxvt_term::recolour_cursor ()	930	rxvt_term::recolour_cursor ()
953	{	931	{
954	XColor xcol[2];	932	XColor fg, bg;
955		933
956	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)	934	(ISSET_PIXCOLOR (Color_pointer_fg)
957	? pix_colors_focused[Color_pointer_fg]	935	? pix_colors_focused[Color_pointer_fg]
958	: pix_colors_focused[Color_fg];	936	: pix_colors_focused[Color_fg]).get (fg);
		937
959	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)	938	(ISSET_PIXCOLOR (Color_pointer_bg)
960	? pix_colors_focused[Color_pointer_bg]	939	? pix_colors_focused[Color_pointer_bg]
961	: pix_colors_focused[Color_bg];	940	: pix_colors_focused[Color_bg]).get (bg);
962		941
963	XQueryColors (display->display, display->cmap, xcol, 2);	942	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
964	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
965	}	943	}
966		944
967	/*----------------------------------------------------------------------*/	945	/*----------------------------------------------------------------------*/
968	/*	946	/*
969	* find if fg/bg matches any of the normal (low-intensity) colors	947	* find if fg/bg matches any of the normal (low-intensity) colors
970	*/	948	*/
971	void	949	void
972	rxvt_term::set_colorfgbg ()	950	rxvt_term::set_colorfgbg ()
973	{	951	{
974	unsigned int i;	952	unsigned int i;
975	const char *xpmb = "\0";	953	const char *xpmb = "";
976	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];	954	char fstr[] = "default";
		955	char bstr[] = "default";
977		956
978	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
979	strcpy (fstr, "default");
980	strcpy (bstr, "default");
981	for (i = Color_Black; i <= Color_White; i++)	957	for (i = Color_Black; i <= Color_White; i++)
982	if (pix_colors[Color_fg] == pix_colors[i])	958	if (pix_colors[Color_fg] == pix_colors[i])
983	{	959	{
984	sprintf (fstr, "%d", (i - Color_Black));	960	sprintf (fstr, "%d", i - Color_Black);
985	break;	961	break;
986	}	962	}
987		963
988	for (i = Color_Black; i <= Color_White; i++)	964	for (i = Color_Black; i <= Color_White; i++)
989	if (pix_colors[Color_bg] == pix_colors[i])	965	if (pix_colors[Color_bg] == pix_colors[i])
990	{	966	{
991	sprintf (bstr, "%d", (i - Color_Black));	967	sprintf (bstr, "%d", i - Color_Black);
992	#ifdef XPM_BACKGROUND	968	#ifdef BG_IMAGE_FROM_FILE
993	xpmb = "default;";	969	xpmb = "default;";
994	#endif	970	#endif
995	break;	971	break;
996	}	972	}
997		973
998	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	974	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
999	}	975	}
1000		976
1001	/*----------------------------------------------------------------------*/	977	/*----------------------------------------------------------------------*/
1002	/*
1003	* Colour determination for low colour displays, routine from
1004	* Hans de Goede <hans@highrise.nl>
1005	*/
1006		978
1007	int	979	bool
1008	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	980	rxvt_term::set_color (rxvt_color &color, const char *name)
1009	{	981	{
1010	if (!screen_in_out->set (display, colour))	982	if (color.set (this, name))
1011	{
1012	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
1013	return false;
1014	}
1015
1016	return true;	983	return true;
		984
		985	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		986	return false;
		987	}
		988
		989	void
		990	rxvt_term::alias_color (int dst, int src)
		991	{
		992	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
1017	}	993	}
1018		994
1019	/* -------------------------------------------------------------------- *	995	/* -------------------------------------------------------------------- *
1020	* - WINDOW RESIZING - *	996	* - WINDOW RESIZING - *
1021	* -------------------------------------------------------------------- */	997	* -------------------------------------------------------------------- */
1022	void	998	void
1023	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	999	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1024	{	1000	{
1025	int fix_screen;	1001	int fix_screen;
		1002	int old_width = szHint.width;
		1003	int old_height = szHint.height;
1026		1004
1027	#ifdef SMART_RESIZE
1028	int old_width = szHint.width, old_height = szHint.height;
1029	#endif
1030
1031	window_calc (width, height);	1005	window_calc (newwidth, newheight);
		1006
		1007	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1008
		1009	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1010	if (set_hint)
		1011	{
		1012	szHint.flags &= ~(PBaseSize | PResizeInc);
1032	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	1013	XSetWMNormalHints (dpy, parent, &szHint);
		1014	szHint.flags |= PBaseSize | PResizeInc;
		1015	}
1033		1016
1034	if (!ignoreparent)	1017	if (!ignoreparent)
1035	{	1018	{
1036	#ifdef SMART_RESIZE	1019	#ifdef SMART_RESIZE
1037	/*	1020	/*
…		…
1041	int x, y, x1, y1;	1024	int x, y, x1, y1;
1042	int dx, dy;	1025	int dx, dy;
1043	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1026	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1044	Window unused_cr;	1027	Window unused_cr;
1045		1028
1046	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	1029	XTranslateCoordinates (dpy, parent, display->root,
1047	0, 0, &x, &y, &unused_cr);	1030	0, 0, &x, &y, &unused_cr);
1048	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	1031	XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
1049	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1032	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
1050	/*	1033	/*
1051	* if display->root isn't the parent window, a WM will probably have offset	1034	* if display->root isn't the parent window, a WM will probably have offset
1052	* our position for handles and decorations. Counter it	1035	* our position for handles and decorations. Counter it
1053	*/	1036	*/
…		…
1055	{	1038	{
1056	x -= x1;	1039	x -= x1;
1057	y -= y1;	1040	y -= y1;
1058	}	1041	}
1059		1042
1060	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	1043	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
1061	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	1044	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
1062	dx = old_width - szHint.width;	1045	dx = old_width - szHint.width;
1063	dy = old_height - szHint.height;	1046	dy = old_height - szHint.height;
1064		1047
1065	/* Check position of the center of the window */	1048	/* Check position of the center of the window */
1066	if (x < x1) /* left half */	1049	if (x < x1) /* left half */
1067	dx = 0;	1050	dx = 0;
…		…
1070	if (y < y1) /* top half */	1053	if (y < y1) /* top half */
1071	dy = 0;	1054	dy = 0;
1072	else if (y == y1) /* exact center */	1055	else if (y == y1) /* exact center */
1073	dy /= 2;	1056	dy /= 2;
1074		1057
1075	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	1058	XMoveResizeWindow (dpy, parent, x + dx, y + dy,
1076	szHint.width, szHint.height);	1059	szHint.width, szHint.height);
1077	#else	1060	#else
1078	XResizeWindow (display->display, TermWin.parent[0], szHint.width, szHint.height);	1061	XResizeWindow (dpy, parent, szHint.width, szHint.height);
1079	#endif	1062	#endif
1080	}	1063	}
1081		1064
		1065	if (set_hint)
		1066	XSetWMNormalHints (dpy, parent, &szHint);
		1067
1082	fix_screen = TermWin.ncol != prev_ncol || TermWin.nrow != prev_nrow;	1068	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1083		1069
1084	if (fix_screen || width != old_width || height != old_height)	1070	if (fix_screen || newwidth != old_width || newheight != old_height)
1085	{	1071	{
1086	if (scrollbar_visible ())	1072	if (scrollBar.state)
1087	{	1073	scrollBar.resize ();
1088	XMoveResizeWindow (display->display, scrollBar.win,
1089	window_sb_x, 0,
1090	scrollbar_TotalWidth (), szHint.height);
1091	resize_scrollbar ();
1092	}
1093		1074
1094	if (menubar_visible ())
1095	XMoveResizeWindow (display->display, menuBar.win,
1096	window_vt_x, 0,
1097	TermWin_TotalWidth (), menuBar_TotalHeight ());
1098
1099	XMoveResizeWindow (display->display, TermWin.vt,	1075	XMoveResizeWindow (dpy, vt,
1100	window_vt_x, window_vt_y,	1076	window_vt_x, window_vt_y,
1101	TermWin_TotalWidth (), TermWin_TotalHeight ());	1077	width, height);
1102	scr_clear ();	1078
1103	#ifdef XPM_BACKGROUND	1079	#ifdef HAVE_BG_PIXMAP
1104	resize_pixmap ();	1080	if (bg_window_size_sensitive ())
		1081	update_background ();
1105	#endif	1082	#endif
1106	}	1083	}
1107		1084
1108	if (fix_screen || old_height == 0)	1085	if (fix_screen || old_height == 0)
1109	{
1110	int curr_screen = -1;
1111	int old_ncol = prev_ncol;
1112
1113	/* scr_reset only works on the primary screen */
1114	if (old_height) /* this is not the first time through */
1115	{
1116	unsigned int ncol = TermWin.ncol;
1117	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1118	curr_screen = scr_change_screen (PRIMARY);
1119	TermWin.ncol = ncol;
1120	}
1121
1122	scr_reset ();	1086	scr_reset ();
1123
1124	if (curr_screen >= 0) /* this is not the first time through */
1125	{
1126	scr_change_screen (curr_screen);
1127	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
1128	}
1129	}
1130
1131	old_width = szHint.width;
1132	old_height = szHint.height;
1133		1087
1134	#ifdef USE_XIM	1088	#ifdef USE_XIM
1135	IMSetStatusPosition ();	1089	im_set_position ();
1136	#endif	1090	#endif
1137	}	1091	}
1138		1092
1139	/*	1093	/*
1140	* Set the width/height of the vt window in characters. Units are pixels.	1094	* Set the width/height of the vt window in characters. Units are pixels.
1141	* good for toggling 80/132 columns	1095	* good for toggling 80/132 columns
1142	*/	1096	*/
1143	void	1097	void
1144	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1098	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1145	{	1099	{
1146	XWindowAttributes wattr;	1100	XWindowAttributes wattr;
1147		1101
1148	if (width == 0 || height == 0)	1102	if (newwidth == 0 || newheight == 0)
1149	{	1103	{
1150	XGetWindowAttributes (display->display, display->root, &wattr);	1104	XGetWindowAttributes (dpy, display->root, &wattr);
		1105
1151	if (width == 0)	1106	if (newwidth == 0)
1152	width = wattr.width - szHint.base_width;	1107	newwidth = wattr.width - szHint.base_width;
1153	if (height == 0)	1108	if (newheight == 0)
1154	height = wattr.height - szHint.base_height;	1109	newheight = wattr.height - szHint.base_height;
1155	}
1156
1157	if (width != TermWin.width || height != TermWin.height)
1158	{	1110	}
		1111
		1112	if (newwidth != width || newheight != height)
		1113	{
1159	width += szHint.base_width;	1114	newwidth += szHint.base_width;
1160	height += szHint.base_height;	1115	newheight += szHint.base_height;
1161	resize_all_windows (width, height, 0);	1116	resize_all_windows (newwidth, newheight, 0);
1162	}	1117	}
1163	}	1118	}
1164		1119
1165	/* -------------------------------------------------------------------- *	1120	/* -------------------------------------------------------------------- *
1166	* - X INPUT METHOD ROUTINES - *	1121	* - X INPUT METHOD ROUTINES - *
…		…
1168	#ifdef USE_XIM	1123	#ifdef USE_XIM
1169		1124
1170	void	1125	void
1171	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)	1126	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1172	{	1127	{
1173	fg = pix_colors[Color_fg];	1128	fg = pix_colors [Color_fg];
1174	bg = pix_colors[Color_bg];	1129	bg = pix_colors [Color_bg];
1175	}	1130	}
1176		1131
1177	void	1132	void
1178	rxvt_term::im_set_size (XRectangle &size)	1133	rxvt_term::im_set_size (XRectangle &size)
1179	{	1134	{
1180	// the int_bwidth terms make no sense to me	1135	// the int_bwidth terms make no sense to me
1181	size.x = TermWin.int_bwidth;	1136	size.x = int_bwidth;
1182	size.y = TermWin.int_bwidth;	1137	size.y = int_bwidth;
1183	size.width = Width2Pixel (TermWin.ncol) + TermWin.int_bwidth;	1138	size.width = Width2Pixel (ncol) + int_bwidth;
1184	size.height = Height2Pixel (TermWin.nrow) + TermWin.int_bwidth;	1139	size.height = Height2Pixel (nrow) + int_bwidth;
1185	}	1140	}
1186		1141
1187	void	1142	void
1188	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,	1143	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1189	XRectangle &status_rect,	1144	XRectangle &status_rect,
1190	const XRectangle &needed_rect)	1145	const XRectangle &needed_rect)
1191	{	1146	{
1192	preedit_rect.x = needed_rect.width;	1147	preedit_rect.x = needed_rect.width;
1193	preedit_rect.y = 0;	1148	preedit_rect.y = 0;
1194	preedit_rect.width = Width2Pixel (TermWin.ncol) - needed_rect.width + 1;	1149	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1195	preedit_rect.height = TermWin.fheight;	1150	preedit_rect.height = fheight;
1196		1151
1197	status_rect.x = 0;	1152	status_rect.x = 0;
1198	status_rect.y = 0;	1153	status_rect.y = 0;
1199	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (TermWin.ncol) + 1;	1154	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1200	status_rect.height = TermWin.fheight;	1155	status_rect.height = fheight;
1201	}	1156	}
1202		1157
1203	/* Checking whether input method is running. */	1158	/* Checking whether input method is running. */
1204	bool	1159	bool
1205	rxvt_term::IMisRunning ()	1160	rxvt_term::im_is_running ()
1206	{	1161	{
1207	char *p;
1208	Atom atom;	1162	Atom atom;
1209	Window win;	1163	Window win;
1210	char server[IMBUFSIZ];	1164	char server[IMBUFSIZ];
1211		1165
1212	/* get current locale modifier */	1166	/* get current locale modifier */
1213	if ((p = XSetLocaleModifiers (NULL)) != NULL)	1167	if (char *p = XSetLocaleModifiers (0))
1214	{	1168	{
1215	strcpy (server, "@server=");	1169	strcpy (server, "@server=");
1216	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1170	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
1217		1171
1218	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */	1172	if (p = strchr (server + 1, '@')) /* first one only */
1219	*p = '\0';	1173	*p = '\0';
1220		1174
1221	atom = XInternAtom (display->display, server, False);	1175	atom = XInternAtom (dpy, server, False);
1222	win = XGetSelectionOwner (display->display, atom);	1176	win = XGetSelectionOwner (dpy, atom);
1223		1177
1224	if (win != None)	1178	if (win != None)
1225	return True;	1179	return true;
1226	}	1180	}
1227		1181
1228	return False;	1182	return false;
1229	}	1183	}
1230		1184
1231	void	1185	void
1232	rxvt_term::IMSendSpot ()	1186	rxvt_term::im_send_spot ()
1233	{	1187	{
1234	XPoint nspot;	1188	XPoint nspot;
1235	XVaNestedList preedit_attr;	1189	XVaNestedList preedit_attr;
1236		1190
1237	if (!Input_Context	1191	if (!Input_Context
1238	|| !TermWin.focus	1192	|| !focus
1239	|| !(input_style & XIMPreeditPosition))	1193	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1240	return;	1194	return;
1241		1195
1242	im_set_position (nspot);	1196	im_set_position (nspot);
1243		1197
1244	if (nspot.x == spot.x && nspot.y == spot.y)	1198	if (nspot.x == spot.x && nspot.y == spot.y)
…		…
1263	input_method = 0;	1217	input_method = 0;
1264	}	1218	}
1265		1219
1266	Input_Context = 0;	1220	Input_Context = 0;
1267	}	1221	}
		1222
		1223	#ifdef ENABLE_XIM_ONTHESPOT
		1224
		1225	static void
		1226	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1227	{
		1228	((rxvt_term *)client_data)->make_current ();
		1229	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1230	}
		1231
		1232	static void
		1233	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1234	{
		1235	((rxvt_term *)client_data)->make_current ();
		1236	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1237	}
		1238
		1239	static void
		1240	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1241	{
		1242	rxvt_term *term = (rxvt_term *)client_data;
		1243	XIMText *text = call_data->text;
		1244
		1245	term->make_current ();
		1246
		1247	if (text)
		1248	{
		1249	wchar_t *str;
		1250
		1251	if (!text->encoding_is_wchar && text->string.multi_byte)
		1252	{
		1253	// of course, X makes it ugly again
		1254	if (term->rs[Rs_imLocale])
		1255	SET_LOCALE (term->rs[Rs_imLocale]);
		1256
		1257	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1258	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1259
		1260	if (term->rs[Rs_imLocale])
		1261	SET_LOCALE (term->locale);
		1262	}
		1263	else
		1264	str = text->string.wide_char;
		1265
		1266	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1267	DT_INT, call_data->caret,
		1268	DT_INT, call_data->chg_first,
		1269	DT_INT, call_data->chg_length,
		1270	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1271	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1272	DT_END));
		1273	}
		1274	else
		1275	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1276	DT_INT, call_data->caret,
		1277	DT_INT, call_data->chg_first,
		1278	DT_INT, call_data->chg_length,
		1279	DT_END));
		1280	}
		1281
		1282	#if 0
		1283	static void
		1284	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1285	{
		1286	((rxvt_term *)client_data)->make_current ();
		1287	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1288	DT_INT, call_data->position,
		1289	DT_INT, call_data->direction,
		1290	DT_INT, call_data->style,
		1291	DT_END));
		1292	}
		1293	#endif
		1294
		1295	#endif
1268		1296
1269	/*	1297	/*
1270	* Try to open a XIM with the current modifiers, then see if we can	1298	* Try to open a XIM with the current modifiers, then see if we can
1271	* open a suitable preedit type	1299	* open a suitable preedit type
1272	*/	1300	*/
1273	bool	1301	bool
1274	rxvt_term::IM_get_IC (const char *modifiers)	1302	rxvt_term::im_get_ic (const char *modifiers)
1275	{	1303	{
1276	int i, j, found;	1304	int i, j, found;
1277	XIM xim;	1305	XIM xim;
1278	XPoint spot;	1306	XPoint spot;
1279	XRectangle rect, status_rect, needed_rect;	1307	XRectangle rect, status_rect, needed_rect;
1280	unsigned long fg, bg;	1308	unsigned long fg, bg;
1281	const char *p;	1309	const char *p;
1282	char **s;	1310	char **s;
1283	XIMStyles *xim_styles;	1311	XIMStyles *xim_styles;
1284		1312
		1313	set_environ (envv);
		1314
1285	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))	1315	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1286	return false;	1316	return false;
1287		1317
1288	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1289	input_method = display->get_xim (locale, modifiers);	1318	input_method = display->get_xim (locale, modifiers);
1290	if (input_method == NULL)	1319	if (input_method == NULL)
1291	return false;	1320	return false;
1292		1321
1293	xim = input_method->xim;	1322	xim = input_method->xim;
…		…
1299	{	1328	{
1300	im_destroy ();	1329	im_destroy ();
1301	return false;	1330	return false;
1302	}	1331	}
1303		1332
1304	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root,None";	1333	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1305	s = rxvt_splitcommastring (p);
1306		1334
		1335	for (int pi = 0; pi < 2; pi++)
		1336	{
		1337	p = pet[pi];
		1338
		1339	if (!p)
		1340	continue;
		1341
		1342	s = rxvt_strsplit (',', p);
		1343
1307	for (i = found = 0; !found && s[i]; i++)	1344	for (i = found = 0; !found && s[i]; i++)
1308	{	1345	{
1309	if (!strcmp (s[i], "OverTheSpot"))	1346	if (!strcmp (s[i], "OverTheSpot"))
1310	input_style = (XIMPreeditPosition | XIMStatusNothing);	1347	input_style = XIMPreeditPosition | XIMStatusNothing;
1311	else if (!strcmp (s[i], "OffTheSpot"))	1348	else if (!strcmp (s[i], "OffTheSpot"))
1312	input_style = (XIMPreeditArea | XIMStatusArea);	1349	input_style = XIMPreeditArea | XIMStatusArea;
1313	else if (!strcmp (s[i], "Root"))	1350	else if (!strcmp (s[i], "Root"))
1314	input_style = (XIMPreeditNothing | XIMStatusNothing);	1351	input_style = XIMPreeditNothing | XIMStatusNothing;
1315	else if (!strcmp (s[i], "None"))	1352	else if (!strcmp (s[i], "None"))
1316	input_style = (XIMPreeditNone | XIMStatusNone);	1353	input_style = XIMPreeditNone | XIMStatusNone;
		1354	#ifdef ENABLE_XIM_ONTHESPOT
		1355	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1356	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1357	#endif
		1358	else
		1359	input_style = XIMPreeditNothing | XIMStatusNothing;
1317		1360
1318	for (j = 0; j < xim_styles->count_styles; j++)	1361	for (j = 0; j < xim_styles->count_styles; j++)
1319	if (input_style == xim_styles->supported_styles[j])	1362	if (input_style == xim_styles->supported_styles[j])
1320	{	1363	{
		1364	rxvt_free_strsplit (s);
		1365
1321	found = 1;	1366	found = 1;
1322	break;	1367	goto foundpet;
		1368	}
		1369
1323	}	1370	}
1324	}
1325		1371
1326	for (i = 0; s[i]; i++)	1372	rxvt_free_strsplit (s);
1327	free (s[i]);	1373	}
1328		1374
1329	free (s);	1375	foundpet:
		1376
1330	XFree (xim_styles);	1377	XFree (xim_styles);
1331		1378
1332	if (!found)	1379	if (!found)
1333	{	1380	{
1334	im_destroy ();	1381	im_destroy ();
…		…
1351	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"	1398	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1352	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"	1399	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1353	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"	1400	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1354	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"	1401	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1355	"*",	1402	"*",
1356	TermWin.fheight,	1403	fheight,
1357	TermWin.fheight + 1, TermWin.fheight - 1,	1404	fheight + 1, fheight - 1,
1358	TermWin.fheight - 2, TermWin.fheight + 2);	1405	fheight - 2, fheight + 2);
1359		1406
1360	fs = XCreateFontSet (display->display, pat,	1407	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1361	&missing_charset_list, &missing_charset_count, &def_string);	1408	&missing_charset_list, &missing_charset_count, &def_string);
1362		1409
1363	if (missing_charset_list)	1410	if (missing_charset_list)
1364	XFreeStringList (missing_charset_list);	1411	XFreeStringList (missing_charset_list);
1365		1412
…		…
1406	XNBackground, bg,	1453	XNBackground, bg,
1407	XNArea, &status_rect,	1454	XNArea, &status_rect,
1408	XNFontSet, fs,	1455	XNFontSet, fs,
1409	NULL);	1456	NULL);
1410	}	1457	}
		1458	#if ENABLE_XIM_ONTHESPOT
		1459	else if (input_style & XIMPreeditCallbacks)
		1460	{
		1461	XIMCallback xcb[4];
		1462
		1463	im_set_position (spot);
		1464
		1465	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1466	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1467	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1468	# if 0
		1469	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1470	# endif
		1471
		1472	preedit_attr = XVaCreateNestedList (0,
		1473	XNSpotLocation, &spot,
		1474	XNPreeditStartCallback, &xcb[0],
		1475	XNPreeditDoneCallback , &xcb[1],
		1476	XNPreeditDrawCallback , &xcb[2],
		1477	# if 0
		1478	XNPreeditCaretCallback, &xcb[3],
		1479	# endif
		1480	NULL);
		1481	}
		1482	#endif
1411		1483
1412	Input_Context = XCreateIC (xim,	1484	Input_Context = XCreateIC (xim,
1413	XNInputStyle, input_style,	1485	XNInputStyle, input_style,
1414	XNClientWindow, TermWin.vt,	1486	XNClientWindow, vt,
1415	XNFocusWindow, TermWin.parent[0],	1487	XNFocusWindow, parent,
1416	preedit_attr ? XNPreeditAttributes : NULL,	1488	preedit_attr ? XNPreeditAttributes : NULL,
1417	preedit_attr,	1489	preedit_attr,
1418	status_attr ? XNStatusAttributes : NULL,	1490	status_attr ? XNStatusAttributes : NULL,
1419	status_attr, NULL);	1491	status_attr, NULL);
1420		1492
1421	if (preedit_attr) XFree (preedit_attr);	1493	if (preedit_attr) XFree (preedit_attr);
1422	if (status_attr) XFree (status_attr);	1494	if (status_attr) XFree (status_attr);
1423	if (fs) XFreeFontSet (display->display, fs);	1495	if (fs) XFreeFontSet (dpy, fs);
1424		1496
1425	if (Input_Context == NULL)	1497	if (Input_Context == NULL)
1426	{	1498	{
1427	rxvt_warn ("failed to create input context, continuing without XIM.\n");	1499	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1428	im_destroy ();	1500	im_destroy ();
1429	return false;	1501	return false;
1430	}	1502	}
1431		1503
1432	if (input_style & XIMPreeditArea)	1504	#if 0
1433	IMSetStatusPosition ();	1505	// unfortunately, only the focus window is used by XIM, hard to fix
		1506	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1507	vt_select_input ();
		1508	#endif
1434		1509
1435	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));	1510	im_set_position ();
		1511
1436	return true;	1512	return true;
1437	}	1513	}
1438		1514
1439	void	1515	void
1440	rxvt_term::im_cb ()	1516	rxvt_term::im_cb ()
1441	{	1517	{
1442	int i, found, had_im;	1518	int i;
1443	const char *p;	1519	const char *p;
1444	char **s;	1520	char **s;
1445	char buf[IMBUFSIZ];	1521	char buf[IMBUFSIZ];
1446		1522
		1523	make_current ();
		1524
1447	im_destroy ();	1525	im_destroy ();
1448		1526
1449	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1450	if (Input_Context)	1527	if (Input_Context)
1451	return;	1528	return;
1452		1529
1453	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1530	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1454	if (rs[Rs_imLocale])	1531	if (rs[Rs_imLocale])
…		…
1458	p = rs[Rs_inputMethod];	1535	p = rs[Rs_inputMethod];
1459	if (p && *p)	1536	if (p && *p)
1460	{	1537	{
1461	bool found = false;	1538	bool found = false;
1462		1539
1463	s = rxvt_splitcommastring (p);	1540	s = rxvt_strsplit (',', p);
		1541
1464	for (i = 0; s[i]; i++)	1542	for (i = 0; s[i]; i++)
1465	{	1543	{
1466	if (*s[i])	1544	if (*s[i])
1467	{	1545	{
1468	strcpy (buf, "@im=");	1546	strcpy (buf, "@im=");
1469	strncat (buf, s[i], IMBUFSIZ - 5);	1547	strncat (buf, s[i], IMBUFSIZ - 5);
1470	if (IM_get_IC (buf))	1548	if (im_get_ic (buf))
1471	{	1549	{
1472	found = true;	1550	found = true;
1473	break;	1551	break;
1474	}	1552	}
1475	}	1553	}
1476	}	1554	}
1477	for (i = 0; s[i]; i++)	1555
1478	free (s[i]);	1556	rxvt_free_strsplit (s);
1479	free (s);
1480		1557
1481	if (found)	1558	if (found)
1482	goto done;	1559	goto done;
1483	}	1560	}
1484		1561
1485	/* try with XMODIFIERS env. var. */	1562	/* try with XMODIFIERS env. var. */
1486	if (IM_get_IC (""))	1563	if (im_get_ic (""))
1487	goto done;	1564	goto done;
1488		1565
1489	/* try with no modifiers base IF the user didn't specify an IM */	1566	/* try with no modifiers base IF the user didn't specify an IM */
1490	if (IM_get_IC ("@im=none"))	1567	if (im_get_ic ("@im=none"))
1491	goto done;	1568	goto done;
1492		1569
1493	done:	1570	done:
1494	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1571	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1495	if (rs[Rs_imLocale])	1572	if (rs[Rs_imLocale])
1496	SET_LOCALE (locale);	1573	SET_LOCALE (locale);
1497	#endif	1574	#endif
1498	}	1575	}
1499		1576
1500	void	1577	void
1501	rxvt_term::IMSetStatusPosition ()	1578	rxvt_term::im_set_position ()
1502	{	1579	{
1503	XRectangle preedit_rect, status_rect, *needed_rect;	1580	XRectangle preedit_rect, status_rect, *needed_rect;
1504	XVaNestedList preedit_attr, status_attr;	1581	XVaNestedList preedit_attr, status_attr;
1505		1582
1506	if (!Input_Context	1583	if (!Input_Context
1507	|| !TermWin.focus	1584	|| !focus
1508	|| !(input_style & XIMPreeditArea)	1585	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1509	|| !IMisRunning ())	1586	|| !im_is_running ())
1510	return;	1587	return;
1511		1588
		1589	if (input_style & XIMPreeditPosition)
		1590	{
		1591	im_set_size (preedit_rect);
		1592	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1593
		1594	XSetICValues (Input_Context,
		1595	XNPreeditAttributes, preedit_attr, NULL);
		1596	}
		1597	else
		1598	{
1512	/* Getting the necessary width of preedit area */	1599	/* Getting the necessary width of preedit area */
1513	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);	1600	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1514	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);	1601	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1515	XFree (status_attr);	1602	XFree (status_attr);
1516		1603
1517	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);	1604	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1518	XFree (needed_rect);	1605	XFree (needed_rect);
1519		1606
1520	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);	1607	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1521	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);	1608	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1522		1609
1523	XSetICValues (Input_Context,	1610	XSetICValues (Input_Context,
1524	XNPreeditAttributes, preedit_attr,	1611	XNPreeditAttributes, preedit_attr,
1525	XNStatusAttributes, status_attr, NULL);	1612	XNStatusAttributes, status_attr,
		1613	NULL);
1526		1614
		1615	XFree (status_attr);
		1616	}
		1617
1527	XFree (preedit_attr);	1618	XFree (preedit_attr);
1528	XFree (status_attr);
1529	}	1619	}
1530	#endif /* USE_XIM */	1620	#endif /* USE_XIM */
1531		1621
1532	/*----------------------------------------------------------------------*/	1622	void
1533	rxvt_t rxvt_current_term;	1623	rxvt_term::get_window_origin (int &x, int &y)
		1624	{
		1625	Window cr;
		1626	XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
		1627	}
		1628
		1629	Pixmap
		1630	rxvt_term::get_pixmap_property (Atom property)
		1631	{
		1632	Pixmap pixmap = None;
		1633
		1634	int aformat;
		1635	unsigned long nitems, bytes_after;
		1636	Atom atype;
		1637	unsigned char *prop;
		1638	int result = XGetWindowProperty (dpy, display->root, property,
		1639	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1640	&nitems, &bytes_after, &prop);
		1641	if (result == Success)
		1642	{
		1643	if (atype == XA_PIXMAP)
		1644	pixmap = *(Pixmap *)prop;
		1645	XFree (prop);
		1646	}
		1647
		1648	return pixmap;
		1649	}
		1650
		1651	#ifdef HAVE_BG_PIXMAP
		1652
		1653	void
		1654	rxvt_term::update_background ()
		1655	{
		1656	if (update_background_ev.is_active ())
		1657	return;
		1658
		1659	bg_invalidate ();
		1660
		1661	if (!mapped)
		1662	return;
		1663
		1664	ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
		1665
		1666	if (to_wait <= 0.)
		1667	bg_render ();
		1668	else
		1669	update_background_ev.start (to_wait);
		1670	}
		1671
		1672	void
		1673	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1674	{
		1675	make_current ();
		1676
		1677	update_background_ev.stop ();
		1678	bg_render ();
		1679	refresh_check ();
		1680	}
		1681
		1682	#endif /* HAVE_BG_PIXMAP */
1534		1683
1535	/*----------------------- end-of-file (C source) -----------------------*/	1684	/*----------------------- end-of-file (C source) -----------------------*/

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