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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.132 by root, Thu Feb 3 07:18:30 2005 UTC vs.
Revision 1.365 by sf-exg, Mon Jan 9 15:45:45 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 <csignal>	42	#include <csignal>
38	#include <cstring>	43	#include <cstring>
39		44
40	#ifdef TTY_GID_SUPPORT
41	# include <grp.h>
42	#endif
43
44	#ifdef HAVE_TERMIOS_H
45	# include <termios.h>	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>
46	#endif	53	# endif
47
48	#ifdef KEYSYM_RESOURCE
49	# include "keyboard.h"
50	#endif	54	#endif
51		55
		56	struct termios rxvt_term::def_tio;
52	vector<rxvt_term *> rxvt_term::termlist;	57	vector<rxvt_term *> rxvt_term::termlist;
53		58
		59	// used to tell global functions which terminal instance is "active"
		60	rxvt_t rxvt_current_term;
		61
54	static char curlocale[128];	62	static char curlocale[128], savelocale[128];
55		63
56	bool	64	bool
57	rxvt_set_locale (const char *locale)	65	rxvt_set_locale (const char *locale) NOTHROW
58	{	66	{
		67	int size = strlen (locale) + 1;
		68
		69	if (size > sizeof (curlocale))
		70	rxvt_fatal ("locale string too long, aborting.\n");
		71
59	if (!locale || !strncmp (locale, curlocale, 128))	72	if (!locale || !memcmp (locale, curlocale, size))
60	return false;	73	return false;
61		74
62	strncpy (curlocale, locale, 128);	75	memcpy (curlocale, locale, size);
63	setlocale (LC_CTYPE, curlocale);	76	setlocale (LC_CTYPE, curlocale);
64	return true;	77	return true;
65	}	78	}
66		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
67	#if ENABLE_COMBINING	93	#if ENABLE_COMBINING
68	class rxvt_composite_vec rxvt_composite;	94	class rxvt_composite_vec rxvt_composite;
69		95
70	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)
71	{	97	{
72	compose_char *cc;	98	compose_char *cc;
73		99
74	// break compose chains, as stupid readline really likes to duplicate	100	// break compose chains, as stupid readline really likes to duplicate
75	// composing characters for some reason near the end of a line.	101	// composing characters for some reason, near the end of a line.
76	cc = (*this)[c1];	102	cc = (*this)[c1];
77	while (cc)	103	while (cc)
78	{	104	{
79	if (cc->c2 == c2) return c1;	105	if (cc->c2 == c2) return c1;
80	cc = (*this)[cc->c1];	106	cc = (*this)[cc->c1];
81	}	107	}
82		108
83	// check to see wether this combination already exists otherwise	109	// check to see whether this combination already exists otherwise
84	for (cc = v.end (); cc-- > v.begin (); )	110	for (cc = v.begin (); cc < v.end (); cc++)
85	{
86	if (cc->c1 == c1 && cc->c2 == c2)	111	if (cc->c1 == c1 && cc->c2 == c2)
87	return COMPOSE_LO + (cc - v.begin ());	112	return COMPOSE_LO + (cc - v.begin ());
88	}
89		113
90	// allocate a new combination	114	// allocate a new combination
91	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)	115	if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
92	{	116	{
93	static int seen;	117	static int seen;
94		118
95	if (!seen++)	119	if (!seen++)
96	fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");	120	rxvt_warn ("too many unrepresentable composite characters, try --enable-unicode3\n");
97		121
98	return REPLACEMENT_CHAR;	122	return REPLACEMENT_CHAR;
99	}	123	}
100		124
101	v.push_back (compose_char (c1, c2));	125	v.push_back (compose_char (c1, c2));
…		…
127		151
128	}	152	}
129	#endif	153	#endif
130		154
131	rxvt_term::rxvt_term ()	155	rxvt_term::rxvt_term ()
132	:	156	{
133	#if TRANSPARENT	157	#if HAVE_BG_PIXMAP
134	rootwin_ev (this, &rxvt_term::rootwin_cb),	158	update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
135	#endif
136	#ifdef HAVE_SCROLLBARS
137	scrollbar_ev (this, &rxvt_term::x_cb),
138	#endif
139	#ifdef MENUBAR
140	menubar_ev (this, &rxvt_term::x_cb),
141	#endif	159	#endif
142	#ifdef CURSOR_BLINK	160	#ifdef CURSOR_BLINK
143	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);
144	#endif	162	#endif
145	#ifdef TEXT_BLINK	163	#ifdef TEXT_BLINK
146	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);
147	#endif	165	#endif
148	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING	166	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
149	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),	167	cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
150	#endif	168	#endif
151	#ifdef SELECTION_SCROLLING	169	#ifdef SELECTION_SCROLLING
152	sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),	170	sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
153	#endif	171	#endif
154	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)	172	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
155	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),
156	#endif	181	#endif
157	#ifdef POINTER_BLANK	182	#ifdef POINTER_BLANK
158	pointer_ev (this, &rxvt_term::pointer_cb),	183	pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
159	#endif	184	#endif
160	#ifdef USE_XIM	185	#ifndef NO_BELL
161	im_ev (this, &rxvt_term::im_cb),	186	bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
162	#endif	187	#endif
163	sw_term (this, &rxvt_term::sig_term),	188	child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
164	sw_int (this, &rxvt_term::sig_term),	189	flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
165	sw_chld (this, &rxvt_term::sig_chld),	190	destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
166	termwin_ev (this, &rxvt_term::x_cb),	191	pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
167	vt_ev (this, &rxvt_term::x_cb),	192	termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
168	check_ev (this, &rxvt_term::check_cb),	193	vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
169	flush_ev (this, &rxvt_term::flush_cb),	194
170	destroy_ev (this, &rxvt_term::destroy_cb),
171	pty_ev (this, &rxvt_term::pty_cb),
172	incr_ev (this, &rxvt_term::incr_cb)
173	{
174	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	195	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
175		196
176	termlist.push_back (this);	197	termlist.push_back (this);
177		198
178	#ifdef KEYSYM_RESOURCE	199	#ifdef KEYSYM_RESOURCE
179	keyboard = new keyboard_manager;	200	keyboard = new keyboard_manager;
180
181	if (!keyboard)
182	rxvt_fatal ("out of memory, aborting.\n");
183	#endif	201	#endif
184	}	202	}
185		203
186	rxvt_term::~rxvt_term ()	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 ()
187	{	208	{
188	termlist.erase (find (termlist.begin (), termlist.end(), this));
189
190	if (cmd_pid)	209	if (cmd_pid)
191	kill (-cmd_pid, SIGHUP);	210	kill (-cmd_pid, SIGHUP);
192		211
193	#ifdef UTMP_SUPPORT	212	pty_ev.stop ();
194	privileged_utmp (RESTORE);	213	delete pty; pty = 0;
195	#endif	214	}
196		215
197	pty.put ();	216	rxvt_term::~rxvt_term ()
		217	{
		218	termlist.erase (find (termlist.begin (), termlist.end(), this));
		219
		220	emergency_cleanup ();
198		221
199	#if ENABLE_STYLES	222	#if ENABLE_STYLES
200	for (int i = RS_styleCount; --i; )	223	for (int i = RS_styleCount; --i; )
201	if (TermWin.fontset[i] != TermWin.fontset[0])	224	if (fontset[i] != fontset[0])
202	delete TermWin.fontset[i];	225	delete fontset[i];
203	#endif	226	#endif
204	delete TermWin.fontset[0];	227	delete fontset[0];
		228
		229	#ifdef HAVE_BG_PIXMAP
		230	bg_destroy ();
		231	#endif
205		232
206	if (display)	233	if (display)
207	{	234	{
208	selection_clear ();	235	selection_clear ();
		236	selection_clear (true);
209		237
210	#ifdef USE_XIM	238	#ifdef USE_XIM
211	im_destroy ();	239	im_destroy ();
212	#endif	240	#endif
213	#ifdef MENUBAR	241	scrollBar.destroy ();
214	if (menubarGC) XFreeGC (display->display, menubarGC);	242	if (gc) XFreeGC (dpy, gc);
215	#endif
216	#ifdef XTERM_SCROLLBAR
217	if (xscrollbarGC) XFreeGC (display->display, xscrollbarGC);
218	if (ShadowGC) XFreeGC (display->display, ShadowGC);
219	#endif
220	#ifdef PLAIN_SCROLLBAR
221	if (pscrollbarGC) XFreeGC (display->display, pscrollbarGC);
222	#endif
223	#ifdef NEXT_SCROLLBAR
224	if (blackGC) XFreeGC (display->display, blackGC);
225	if (whiteGC) XFreeGC (display->display, whiteGC);
226	if (grayGC) XFreeGC (display->display, grayGC);
227	if (darkGC) XFreeGC (display->display, darkGC);
228	if (stippleGC) XFreeGC (display->display, stippleGC);
229	if (dimple) XFreePixmap (display->display, dimple);
230	if (upArrow) XFreePixmap (display->display, upArrow);
231	if (downArrow) XFreePixmap (display->display, downArrow);
232	if (upArrowHi) XFreePixmap (display->display, upArrowHi);
233	if (downArrowHi) XFreePixmap (display->display, downArrowHi);
234	#endif
235	#if defined(MENUBAR) || defined(RXVT_SCROLLBAR)
236	if (topShadowGC) XFreeGC (display->display, topShadowGC);
237	if (botShadowGC) XFreeGC (display->display, botShadowGC);
238	if (scrollbarGC) XFreeGC (display->display, scrollbarGC);
239	#endif
240	if (TermWin.gc) XFreeGC (display->display, TermWin.gc);
241		243
242	#if defined(MENUBAR) && (MENUBAR_MAX > 1)
243	delete menuBar.drawable;	244	delete drawable;
244	//if (menuBar.win)
245	// XDestroyWindow (display->display, menuBar.win);
246	#endif
247	delete TermWin.drawable;
248	// destroy all windows	245	// destroy all windows
249	if (TermWin.parent[0])	246	if (parent)
250	XDestroyWindow (display->display, TermWin.parent[0]);	247	XDestroyWindow (dpy, parent);
251	}
252		248
253	// TODO: free pixcolours, colours should become part of rxvt_display	249	for (int i = 0; i < TOTAL_COLORS; i++)
254		250	if (ISSET_PIXCOLOR (i))
255	delete pix_colors_focused;	251	{
		252	pix_colors_focused [i].free (this);
256	#ifdef OFF_FOCUS_FADING	253	#if OFF_FOCUS_FADING
257	delete pix_colors_unfocused;	254	pix_colors_unfocused [i].free (this);
258	#endif	255	#endif
		256	}
259		257
		258	clear ();
		259
		260	display->flush (); /* ideally .put should do this */
260	displays.put (display);	261	displays.put (display);
		262	}
261		263
262	scr_release ();	264	scr_release ();
263		265
264	/* clear all resources */	266	/* clear all resources */
265	for (int i = 0; i < allocated.size (); i++)	267	for (int i = 0; i < allocated.size (); i++)
266	free (allocated[i]);	268	free (allocated [i]);
267		269
268	free (selection.text);	270	free (selection.text);
269	// TODO: manage env vars in child only(!)	271	free (selection.clip_text);
270	free (env_windowid);
271	free (env_display);
272	free (env_term);
273	free (env_colorfgbg);
274	free (locale);	272	free (locale);
275	free (v_buffer);	273	free (v_buffer);
276	free (incr_buf);	274
		275	delete selection_req;
277		276
278	delete envv;	277	delete envv;
279	delete argv;	278	delete argv;
280		279
281	#ifdef KEYSYM_RESOURCE	280	#ifdef KEYSYM_RESOURCE
282	delete keyboard;	281	delete keyboard;
283	#endif	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 ();
284	}	298	}
285		299
286	void	300	void
287	rxvt_term::destroy ()	301	rxvt_term::destroy ()
288	{	302	{
289	if (destroy_ev.active)	303	if (destroy_ev.is_active ())
290	return;	304	return;
		305
		306	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
291		307
292	#if ENABLE_OVERLAY	308	#if ENABLE_OVERLAY
293	scr_overlay_off ();	309	scr_overlay_off ();
294	#endif	310	#endif
295		311
296	if (display)	312	if (display)
297	{	313	{
298	#if USE_XIM	314	#if USE_XIM
299	im_ev.stop (display);	315	im_ev.stop (display);
300	#endif	316	#endif
301	#if HAVE_SCROLLBARS
302	scrollbar_ev.stop (display);	317	scrollbar_ev.stop (display);
303	#endif	318	#if ENABLE_TRANSPARENCY || ENABLE_PERL
304	#if MENUBAR
305	menubar_ev.stop (display);
306	#endif
307	#if TRANSPARENT
308	rootwin_ev.stop (display);	319	rootwin_ev.stop (display);
309	#endif	320	#endif
310	incr_ev.stop ();
311	termwin_ev.stop (display);	321	termwin_ev.stop (display);
312	vt_ev.stop (display);	322	vt_ev.stop (display);
313	}	323	}
314		324
315	check_ev.stop ();	325	flush_ev.stop ();
316	pty_ev.stop ();	326	pty_ev.stop ();
317	#ifdef CURSOR_BLINK	327	#ifdef CURSOR_BLINK
318	cursor_blink_ev.stop ();	328	cursor_blink_ev.stop ();
319	#endif	329	#endif
320	#ifdef TEXT_BLINK	330	#ifdef TEXT_BLINK
…		…
328	#endif	338	#endif
329	#ifdef POINTER_BLANK	339	#ifdef POINTER_BLANK
330	pointer_ev.stop ();	340	pointer_ev.stop ();
331	#endif	341	#endif
332		342
333	destroy_ev.start (0);	343	destroy_ev.start ();
334	}	344	}
335		345
336	void	346	void
337	rxvt_term::destroy_cb (time_watcher &w)	347	rxvt_term::destroy_cb (ev::idle &w, int revents)
338	{	348	{
339	SET_R (this);	349	make_current ();
340		350
341	delete this;	351	delete this;
342	}	352	}
343		353
344	/*----------------------------------------------------------------------*/	354	void
345	/* rxvt_init () */	355	rxvt_term::set_option (uint8_t opt, bool set)
346	bool
347	rxvt_term::init (int argc, const char *const *argv)
348	{	356	{
349	SET_R (this);	357	if (!opt)
350
351	set_locale ("");
352
353	if (!init_vars ())
354	return false;	358	return;
355		359
356	init_secondary ();	360	uint8_t mask = 1 << (opt & 7);
		361	uint8_t &val = options [opt >> 3];
357		362
358	const char **cmd_argv = init_resources (argc, argv);	363	val = val & ~mask | (set ? mask : 0);
359
360	#ifdef KEYSYM_RESOURCE
361	keyboard->register_done ();
362	#endif
363
364	#if MENUBAR_MAX
365	menubar_read (rs[Rs_menu]);
366	#endif
367	#ifdef HAVE_SCROLLBARS
368	if (options & Opt_scrollBar)
369	scrollBar.setIdle (); /* set existence for size calculations */
370	#endif
371
372	create_windows (argc, argv);
373
374	init_xlocale ();
375
376	scr_reset (); /* initialize screen */
377
378	#if 0
379	XSynchronize (display->display, True);
380	#endif
381
382	#ifdef HAVE_SCROLLBARS
383	if (options & Opt_scrollBar)
384	resize_scrollbar (); /* create and map scrollbar */
385	#endif
386	#if (MENUBAR_MAX)
387	if (menubar_visible ())
388	XMapWindow (display->display, menuBar.win);
389	#endif
390	#ifdef TRANSPARENT
391	if (options & Opt_transparent)
392	{
393	XSelectInput (display->display, display->root, PropertyChangeMask);
394	check_our_parents ();
395	rootwin_ev.start (display, display->root);
396	}
397	#endif
398
399	XMapWindow (display->display, TermWin.vt);
400	XMapWindow (display->display, TermWin.parent[0]);
401
402	set_colorfgbg ();
403
404	init_command (cmd_argv);
405
406	free (cmd_argv);
407
408	pty_ev.start (pty.pty, EVENT_READ);
409
410	check_ev.start ();
411
412	return true;
413	}
414
415	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
416
417	void
418	rxvt_init ()
419	{
420	/*
421	* Save and then give up any super-user privileges
422	* If we need privileges in any area then we must specifically request it.
423	* We should only need to be root in these cases:
424	* 1. write utmp entries on some systems
425	* 2. chown tty on some systems
426	*/
427	rxvt_privileges (SAVE);
428	rxvt_privileges (IGNORE);
429
430	signal (SIGHUP, SIG_IGN);
431	signal (SIGPIPE, SIG_IGN);
432
433	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
434	/* signal (SIGURG, SIG_DFL); */
435
436	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
437	// TODO: handle this with exceptions and tolerate the memory loss
438	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
439	}
440
441	/* ------------------------------------------------------------------------- *
442	* SIGNAL HANDLING & EXIT HANDLER *
443	* ------------------------------------------------------------------------- */
444	/*
445	* Catch a SIGCHLD signal and exit if the direct child has died
446	*/
447
448	void
449	rxvt_term::sig_chld (sig_watcher &w)
450	{
451	// we are being called for every SIGCHLD, not just ours
452	int pid;
453
454	while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
455	for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
456	if (pid == (*t)->cmd_pid)
457	{
458	(*t)->destroy ();
459	break;
460	}
461	}	364	}
462		365
463	/*----------------------------------------------------------------------*/	366	/*----------------------------------------------------------------------*/
464	/*	367	/*
465	* Exit gracefully, clearing the utmp entry and restoring tty attributes	368	* Exit gracefully, clearing the utmp entry and restoring tty attributes
466	* 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
467	*/	370	*/
468	void	371	static XErrorHandler old_xerror_handler;
469	rxvt_destroy_all ()	372
		373	static void
		374	rxvt_emergency_cleanup ()
470	{	375	{
471	// TODO: rxvtd should clean up all ressources
472	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++)
473	(*t)->destroy ();	377	(*t)->emergency_cleanup ();
474	}	378	}
475		379
476	/*	380	#if !ENABLE_MINIMAL
477	* Catch a fatal signal and tidy up before quitting	381	static void
478	*/	382	print_x_error (Display *dpy, XErrorEvent *event)
479	void
480	rxvt_term::sig_term (sig_watcher &w)
481	{	383	{
482	#ifdef DEBUG_CMD	384	char buffer[BUFSIZ];
483	rxvt_warn ("caught signal %d, exiting.\n", w.signum);	385	char mesg[BUFSIZ];
484	#endif	386	char number[32];
485	rxvt_destroy_all ();	387	const char mtype[] = "XlibMessage";
486	signal (w.signum, SIG_DFL);	388	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
487	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);
488	}	426	}
		427	#endif
489		428
490	/* INTPROTO */
491	int	429	int
492	rxvt_xerror_handler (Display *display, XErrorEvent *event)	430	rxvt_xerror_handler (Display *display, XErrorEvent *event)
493	{	431	{
494	if (GET_R->allowedxerror == -1)	432	if (GET_R->allowedxerror == -1)
495	GET_R->allowedxerror = event->error_code;	433	GET_R->allowedxerror = event->error_code;
496	else	434	else
497	{	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
498	old_xerror_handler (display, event);	439	old_xerror_handler (display, event);
499	GET_R->destroy ();	440	#else
		441	print_x_error (display, event);
		442	#endif
500	}	443	}
501		444
502	return 0;	445	return 0;
503	}	446	}
504		447
505	/* ------------------------------------------------------------------------- *	448	int
506	* MEMORY ALLOCATION WRAPPERS *	449	rxvt_xioerror_handler (Display *display)
507	* ------------------------------------------------------------------------- */	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
508	void *	473	void
509	rxvt_malloc (size_t size)	474	sig_handlers::sig_term (ev::sig &w, int revents)
510	{	475	{
511	void *p = malloc (size);	476	rxvt_emergency_cleanup ();
512		477	w.stop ();
513	if (!p)	478	kill (getpid (), w.signum);
514	rxvt_fatal ("memory allocation failure. aborting.\n");
515
516	return p;
517	}	479	}
518		480
519	/* INTPROTO */	481	static void
520	void *	482	rxvt_get_ttymode (struct termios *tio)
521	rxvt_calloc (size_t number, size_t size)
522	{	483	{
523	void *p = calloc (number, size);	484	if (tcgetattr (STDIN_FILENO, tio) < 0)
		485	memset (tio, 0, sizeof (struct termios));
524		486
525	if (!p)	487	for (int i = 0; i < NCCS; i++)
526	rxvt_fatal ("memory allocation failure. aborting.\n");	488	tio->c_cc[i] = VDISABLE;
527		489
528	return p;	490	tio->c_cc[VINTR] = CINTR;
529	}	491	tio->c_cc[VQUIT] = CQUIT;
530		492	tio->c_cc[VERASE] = CERASE;
531	/* INTPROTO */	493	#ifdef VERASE2
532	void *	494	tio->c_cc[VERASE2] = CERASE2;
533	rxvt_realloc (void *ptr, size_t size)
534	{
535	void *p = realloc (ptr, size);
536
537	if (!p)
538	rxvt_fatal ("memory allocation failure. aborting.\n");
539
540	return p;
541	}
542
543	/* ------------------------------------------------------------------------- *
544	* PRIVILEGED OPERATIONS *
545	* ------------------------------------------------------------------------- */
546	/* take care of suid/sgid super-user (root) privileges */
547	void
548	rxvt_privileges (rxvt_privaction action)
549	{
550	#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
551	static uid_t euid;
552	static gid_t egid;
553	#endif	495	#endif
554		496	tio->c_cc[VKILL] = CKILL;
555	#if ! defined(__CYGWIN32__)	497	tio->c_cc[VEOF] = CEOF;
556	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)	498	tio->c_cc[VSTART] = CSTART;
557	/* setreuid () is the poor man's setuid (), seteuid () */	499	tio->c_cc[VSTOP] = CSTOP;
558	# define seteuid(a) setreuid(-1, (a))	500	tio->c_cc[VSUSP] = CSUSP;
559	# define setegid(a) setregid(-1, (a))	501	# ifdef VDSUSP
560	# define HAVE_SETEUID	502	tio->c_cc[VDSUSP] = CDSUSP;
561	# endif	503	# endif
562	# ifdef HAVE_SETEUID	504	# ifdef VREPRINT
563	switch (action)	505	tio->c_cc[VREPRINT] = CRPRNT;
564	{
565	case IGNORE:
566	/*
567	* change effective uid/gid - not real uid/gid - so we can switch
568	* back to root later, as required
569	*/
570	seteuid (getuid ());
571	setegid (getgid ());
572	break;
573	case SAVE:
574	euid = geteuid ();
575	egid = getegid ();
576	break;
577	case RESTORE:
578	seteuid (euid);
579	setegid (egid);
580	break;
581	}
582	# else
583	switch (action)
584	{
585	case IGNORE:
586	setuid (getuid ());
587	setgid (getgid ());
588	/* FALLTHROUGH */
589	case SAVE:
590	/* FALLTHROUGH */
591	case RESTORE:
592	break;
593	}
594	# endif	506	# endif
		507	# ifdef VDISCRD
		508	tio->c_cc[VDISCRD] = CFLUSH;
595	#endif	509	# endif
596	}	510	# ifdef VWERSE
597		511	tio->c_cc[VWERSE] = CWERASE;
598	#ifdef UTMP_SUPPORT
599	void
600	rxvt_term::privileged_utmp (rxvt_privaction action)
601	{
602	if ((options & Opt_utmpInhibit)
603	|| !pty.name || !*pty.name)
604	return;
605
606	rxvt_privileges (RESTORE);
607
608	if (action == SAVE)
609	makeutent (pty.name, rs[Rs_display_name]);
610	else
611	cleanutent ();
612
613	rxvt_privileges (IGNORE);
614	}
615	#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	}
616		579
617	/*----------------------------------------------------------------------*/	580	/*----------------------------------------------------------------------*/
618	/*	581	/*
619	* window size/position calculcations for XSizeHint and other storage.	582	* window size/position calculations for XSizeHint and other storage.
620	* if width/height are non-zero then override calculated width/height	583	* if width/height are non-zero then override calculated width/height
621	*/	584	*/
622	void	585	void
623	rxvt_term::window_calc (unsigned int width, unsigned int height)	586	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
624	{	587	{
625	short recalc_x, recalc_y;	588	short recalc_x, recalc_y;
626	int x, y, sb_w, mb_h, flags;	589	int x, y, flags;
627	unsigned int w, h;	590	unsigned int w, h;
628	unsigned int max_width, max_height;	591	unsigned int max_width, max_height;
629		592
630	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
631	TermWin.ncol, TermWin.nrow, szHint.width,
632	szHint.height));
633	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	593	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
634	szHint.win_gravity = NorthWestGravity;	594	szHint.win_gravity = NorthWestGravity;
635	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	595	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
636		596
637	recalc_x = recalc_y = 0;	597	recalc_x = recalc_y = 0;
638	flags = 0;	598	flags = 0;
		599
639	if (!parsed_geometry)	600	if (!parsed_geometry)
640	{	601	{
641	parsed_geometry = 1;	602	parsed_geometry = 1;
		603
642	if (rs[Rs_geometry])	604	if (rs[Rs_geometry])
643	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);	605	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		606
644	if (flags & WidthValue)	607	if (flags & WidthValue)
645	{	608	{
646	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 ());
647	szHint.flags |= USSize;	613	szHint.flags |= USSize;
648	}	614	}
		615
649	if (flags & HeightValue)	616	if (flags & HeightValue)
650	{	617	{
651	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 ());
652	szHint.flags |= USSize;	622	szHint.flags |= USSize;
653	}	623	}
		624
654	if (flags & XValue)	625	if (flags & XValue)
655	{	626	{
656	szHint.x = x;	627	szHint.x = x;
657	szHint.flags |= USPosition;	628	szHint.flags |= USPosition;
		629
658	if (flags & XNegative)	630	if (flags & XNegative)
659	{	631	{
660	recalc_x = 1;	632	recalc_x = 1;
661	szHint.win_gravity = NorthEastGravity;	633	szHint.win_gravity = NorthEastGravity;
662	}	634	}
663	}	635	}
		636
664	if (flags & YValue)	637	if (flags & YValue)
665	{	638	{
666	szHint.y = y;	639	szHint.y = y;
667	szHint.flags |= USPosition;	640	szHint.flags |= USPosition;
		641
668	if (flags & YNegative)	642	if (flags & YNegative)
669	{	643	{
670	recalc_y = 1;	644	recalc_y = 1;
		645
671	if (szHint.win_gravity == NorthEastGravity)	646	if (szHint.win_gravity == NorthEastGravity)
672	szHint.win_gravity = SouthEastGravity;	647	szHint.win_gravity = SouthEastGravity;
673	else	648	else
674	szHint.win_gravity = SouthWestGravity;	649	szHint.win_gravity = SouthWestGravity;
675	}	650	}
676	}	651	}
677	}	652	}
678		653
679	/* TODO: BOUNDS */	654	/* TODO: BOUNDS */
680	TermWin.width = TermWin.ncol * TermWin.fwidth;	655	width = ncol * fwidth;
681	TermWin.height = TermWin.nrow * TermWin.fheight;	656	height = nrow * fheight;
682	max_width = MAX_COLS * TermWin.fwidth;	657	max_width = MAX_COLS * fwidth;
683	max_height = MAX_ROWS * TermWin.fheight;	658	max_height = MAX_ROWS * fheight;
684		659
685	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	660	szHint.base_width = szHint.base_height = 2 * int_bwidth;
686		661
687	sb_w = mb_h = 0;
688	window_vt_x = window_vt_y = TermWin.int_bwidth;	662	window_vt_x = window_vt_y = int_bwidth;
689		663
690	if (scrollbar_visible ())	664	if (scrollBar.state)
691	{	665	{
692	sb_w = scrollbar_TotalWidth ();	666	int sb_w = scrollBar.total_width ();
693	szHint.base_width += sb_w;	667	szHint.base_width += sb_w;
		668
694	if (!(options & Opt_scrollBar_right))	669	if (!option (Opt_scrollBar_right))
695	window_vt_x += sb_w;	670	window_vt_x += sb_w;
696	}	671	}
697		672
698	if (menubar_visible ())
699	{
700	mb_h = menuBar_TotalHeight ();
701	szHint.base_height += mb_h;
702	window_vt_y += mb_h;
703	}
704
705	szHint.width_inc = TermWin.fwidth;	673	szHint.width_inc = fwidth;
706	szHint.height_inc = TermWin.fheight;	674	szHint.height_inc = fheight;
707	szHint.min_width = szHint.base_width + szHint.width_inc;	675	szHint.min_width = szHint.base_width + szHint.width_inc;
708	szHint.min_height = szHint.base_height + szHint.height_inc;	676	szHint.min_height = szHint.base_height + szHint.height_inc;
709		677
710	if (width && width - szHint.base_width < max_width)	678	if (newwidth && newwidth - szHint.base_width < max_width)
711	{	679	{
712	szHint.width = width;	680	szHint.width = newwidth;
713	TermWin.width = width - szHint.base_width;	681	width = newwidth - szHint.base_width;
714	}	682	}
715	else	683	else
716	{	684	{
717	MIN_IT (TermWin.width, max_width);	685	min_it (width, max_width);
718	szHint.width = szHint.base_width + TermWin.width;	686	szHint.width = szHint.base_width + width;
719	}	687	}
720		688
721	if (height && height - szHint.base_height < max_height)	689	if (newheight && newheight - szHint.base_height < max_height)
722	{	690	{
723	szHint.height = height;	691	szHint.height = newheight;
724	TermWin.height = height - szHint.base_height;	692	height = newheight - szHint.base_height;
725	}	693	}
726	else	694	else
727	{	695	{
728	MIN_IT (TermWin.height, max_height);	696	min_it (height, max_height);
729	szHint.height = szHint.base_height + TermWin.height;	697	szHint.height = szHint.base_height + height;
730	}	698	}
731
732	if (scrollbar_visible () && (options & Opt_scrollBar_right))
733	window_sb_x = szHint.width - sb_w;
734		699
735	if (recalc_x)	700	if (recalc_x)
736	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	701	szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
737	- szHint.width - 2 * TermWin.ext_bwidth);	702
738	if (recalc_y)	703	if (recalc_y)
739	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	704	szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
740	- szHint.height - 2 * TermWin.ext_bwidth);
741		705
742	TermWin.ncol = TermWin.width / TermWin.fwidth;	706	ncol = width / fwidth;
743	TermWin.nrow = TermWin.height / TermWin.fheight;	707	nrow = height / fheight;
744	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	708
745	TermWin.ncol, TermWin.nrow, szHint.width,	709	// When the size of the vt window is not a multiple of the cell
746	szHint.height));	710	// size, i.e., when the wm does not honour our size hints, there are
747	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;
748	}	717	}
749		718
750	/*----------------------------------------------------------------------*/	719	/*----------------------------------------------------------------------*/
751	/*	720	/*
752	* Tell the teletype handler what size the window is.	721	* Tell the teletype handler what size the window is.
753	* Called after a window size change.	722	* Called after a window size change.
754	*/	723	*/
755	void	724	void
756	rxvt_term::tt_winch ()	725	rxvt_term::tt_winch ()
757	{	726	{
758	if (pty.pty < 0)	727	if (pty->pty < 0)
759	return;	728	return;
760		729
761	struct winsize ws;	730	struct winsize ws;
762		731
763	ws.ws_col = TermWin.ncol;	732	ws.ws_col = ncol;
764	ws.ws_row = TermWin.nrow;	733	ws.ws_row = nrow;
765	ws.ws_xpixel = TermWin.width;	734	ws.ws_xpixel = width;
766	ws.ws_ypixel = TermWin.height;	735	ws.ws_ypixel = height;
767	(void)ioctl (pty.pty, TIOCSWINSZ, &ws);	736	ioctl (pty->pty, TIOCSWINSZ, &ws);
768		737
769	#if 0	738	#if 0
770	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly	739	// TIOCSWINSZ is supposed to do this automatically and correctly
771	if (cmd_pid) /* force through to the command */	740	if (cmd_pid) /* force through to the command */
772	kill (cmd_pid, SIGWINCH);	741	kill (-cmd_pid, SIGWINCH);
773	#endif	742	#endif
774	}	743	}
775		744
776	/*----------------------------------------------------------------------*/	745	/*----------------------------------------------------------------------*/
777	/* set_fonts () - load and set the various fonts	746	/* load and set the various fonts */
778	/*
779	* init = 1 - initialize
780	*
781	* fontname == FONT_UP - switch to bigger font
782	* fontname == FONT_DN - switch to smaller font
783	*/
784	bool	747	bool
785	rxvt_term::set_fonts ()	748	rxvt_term::set_fonts ()
786	{	749	{
787	rxvt_fontset *fs = new rxvt_fontset (this);	750	rxvt_fontset *fs = new rxvt_fontset (this);
788	rxvt_fontprop prop;	751	rxvt_fontprop prop;
…		…
795	return false;	758	return false;
796	}	759	}
797		760
798	#if ENABLE_STYLES	761	#if ENABLE_STYLES
799	for (int i = RS_styleCount; --i; )	762	for (int i = RS_styleCount; --i; )
800	if (TermWin.fontset[i] != TermWin.fontset[0])	763	if (fontset[i] != fontset[0])
801	delete TermWin.fontset[i];	764	delete fontset[i];
802	#endif	765	#endif
803		766
804	delete TermWin.fontset[0];	767	delete fontset[0];
805	TermWin.fontset[0] = fs;	768	fontset[0] = fs;
806		769
807	prop = (*fs)[1]->properties ();	770	prop = (*fs)[rxvt_fontset::firstFont]->properties ();
808	prop.height += TermWin.lineSpace;	771	prop.height += lineSpace;
		772	prop.width += letterSpace;
		773
809	fs->set_prop (prop);	774	fs->set_prop (prop, false);
810		775
811	TermWin.fwidth = prop.width;	776	fwidth = prop.width;
812	TermWin.fheight = prop.height;	777	fheight = prop.height;
813	TermWin.fweight = prop.weight;	778	fbase = prop.ascent;
814	TermWin.fslant = prop.slant;
815	TermWin.fbase = (*fs)[1]->ascent;
816		779
817	for (int style = 1; style < 4; style++)	780	for (int style = 1; style < 4; style++)
818	{	781	{
819	#if ENABLE_STYLES	782	#if ENABLE_STYLES
820	const char *res = rs[Rs_font + style];	783	const char *res = rs[Rs_font + style];
821		784
822	if (res && !*res)	785	if (res && !*res)
823	TermWin.fontset[style] = TermWin.fontset[0];	786	fontset[style] = fontset[0];
824	else	787	else
825	{	788	{
826	TermWin.fontset[style] = fs = new rxvt_fontset (this);	789	fontset[style] = fs = new rxvt_fontset (this);
827	rxvt_fontprop prop2 = prop;	790	rxvt_fontprop prop2 = prop;
828		791
829	if (res)	792	if (res)
830	prop2.weight = prop2.slant = rxvt_fontprop::unset;	793	{
		794	fs->populate (res);
		795	fs->set_prop (prop2, false);
		796	}
831	else	797	else
832	{	798	{
833	res = TermWin.fontset[0]->fontdesc;	799	fs->populate (fontset[0]->fontdesc);
834		800
835	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;
836	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);
837	}	805	}
838		806
839	fs->populate (res);
840	fs->set_prop (prop2);
841	}	807	}
842	#else	808	#else
843	TermWin.fontset[style] = TermWin.fontset[0];	809	fontset[style] = fontset[0];
844	#endif	810	#endif
845	}	811	}
846		812
847	if (TermWin.parent[0])	813	if (parent)
848	{	814	{
849	resize_all_windows (0, 0, 0);	815	resize_all_windows (0, 0, 0);
850	scr_remap_chars ();	816	scr_remap_chars ();
851	scr_touch (true);	817	scr_touch (true);
852	}	818	}
853		819
854	return true;	820	return true;
855	}	821	}
856		822
		823	void
857	void rxvt_term::set_string_property (Atom prop, const char *str, int len)	824	rxvt_term::set_string_property (Atom prop, const char *str, int len)
858	{	825	{
859	// TODO: SMART_WINDOW_TITLE	826	XChangeProperty (dpy, parent,
860	XChangeProperty (display->display, TermWin.parent[0],
861	prop, XA_STRING, 8, PropModeReplace,	827	prop, XA_STRING, 8, PropModeReplace,
862	(const unsigned char *)str, len >= 0 ? len : strlen (str));	828	(const unsigned char *)str, len >= 0 ? len : strlen (str));
863	}	829	}
864		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
865	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)	844	rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
866	{	845	{
867	// TODO: SMART_WINDOW_TITLE
868	wchar_t *ws = rxvt_mbstowcs (str, len);	846	wchar_t *ws = rxvt_mbstowcs (str, len);
869	char *s = rxvt_wcstoutf8 (ws);	847	char *s = rxvt_wcstoutf8 (ws);
870		848
871	XChangeProperty (display->display, TermWin.parent[0],	849	XChangeProperty (dpy, parent,
872	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,	850	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
873	(const unsigned char *)s, strlen (s));	851	(const unsigned char *)s, strlen (s));
874		852
875	free (s);	853	free (s);
876	free (ws);	854	free (ws);
…		…
880	/*----------------------------------------------------------------------*/	858	/*----------------------------------------------------------------------*/
881	/* xterm sequences - title, iconName, color (exptl) */	859	/* xterm sequences - title, iconName, color (exptl) */
882	void	860	void
883	rxvt_term::set_title (const char *str)	861	rxvt_term::set_title (const char *str)
884	{	862	{
885	set_string_property (XA_WM_NAME, str);	863	set_mbstring_property (XA_WM_NAME, str);
886	#if ENABLE_FRILLS	864	#if ENABLE_EWMH
887	set_utf8_property (xa[XA_NET_WM_NAME], str);	865	set_utf8_property (xa[XA_NET_WM_NAME], str);
888	#endif	866	#endif
889	}	867	}
890		868
891	void	869	void
892	rxvt_term::set_icon_name (const char *str)	870	rxvt_term::set_icon_name (const char *str)
893	{	871	{
894	set_string_property (XA_WM_ICON_NAME, str);	872	set_mbstring_property (XA_WM_ICON_NAME, str);
895	#if ENABLE_FRILLS	873	#if ENABLE_EWMH
896	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);	874	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
897	#endif	875	#endif
898	}	876	}
899		877
		878	void
		879	rxvt_term::set_window_color (int idx, const char *color)
		880	{
900	#ifdef XTERM_COLOR_CHANGE	881	#ifdef XTERM_COLOR_CHANGE
901	void
902	rxvt_term::set_window_color (int idx, const char *color)
903	{
904	rxvt_color xcol;	882	rxvt_color xcol;
905	int i;
906		883
907	if (color == NULL || *color == '\0')	884	if (color == NULL || *color == '\0')
908	return;	885	return;
909		886
		887	color = strdup (color);
		888	allocated.push_back ((void *)color);
		889	rs[Rs_color + idx] = color;
		890
910	/* handle color aliases */	891	/* handle color aliases */
911	if (isdigit (*color))	892	if (isdigit (*color))
912	{	893	{
913	i = atoi (color);	894	int i = atoi (color);
		895
914	if (i >= 8 && i <= 15)	896	if (i >= 8 && i <= 15)
		897	{
915	{ /* bright colors */	898	/* bright colors */
916	i -= 8;
917	# ifndef NO_BRIGHTCOLOR
918	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];	899	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
919	SET_PIXCOLOR (idx);
920	goto Done;	900	goto done;
921	# endif
922
923	}	901	}
		902
924	if (i >= 0 && i <= 7)	903	if (i >= 0 && i <= 7)
		904	{
925	{ /* normal colors */	905	/* normal colors */
926	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];	906	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
927	SET_PIXCOLOR (idx);
928	goto Done;	907	goto done;
929	}	908	}
930	}	909	}
931		910
932	if (!rXParseAllocColor (& xcol, color))	911	set_color (xcol, color);
933	return;
934
935	/* XStoreColor (display->display, display->cmap, XColor*); */
936		912
937	/*	913	/*
938	* 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,
939	* so just keep gobbling up the colormap	915	* so just keep gobbling up the colormap
940	*/	916	*/
941	# if 0
942	for (i = Color_Black; i <= Color_White; i++)
943	if (pix_colors[idx] == pix_colors[i])
944	break;
945	if (i > Color_White)
946	{
947	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
948	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
949	DisplayPlanes (display->display, display->screen));
950	}
951	# endif
952		917
953	pix_colors_focused[idx] = xcol;	918	pix_colors_focused[idx] = xcol;
954	SET_PIXCOLOR (idx);
955		919
956	/* XSetWindowAttributes attr; */
957	/* Cursor cursor; */
958	Done:	920	done:
959	#ifdef OFF_FOCUS_FADING
960	if (rs[Rs_fade])
961	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]));
962	#endif
963
964	/*TODO: handle Color_BD, scrollbar background, etc. */	921	/*TODO: handle Color_BD, scrollbar background, etc. */
965		922
		923	update_fade_color (idx);
966	recolour_cursor ();	924	recolour_cursor ();
967	scr_recolour ();	925	scr_recolour ();
		926	#endif /* XTERM_COLOR_CHANGE */
968	}	927	}
969
970	#else
971	# define set_window_color (idx,color) ((void)0)
972	#endif /* XTERM_COLOR_CHANGE */
973		928
974	void	929	void
975	rxvt_term::recolour_cursor ()	930	rxvt_term::recolour_cursor ()
976	{	931	{
977	XColor xcol[2];	932	XColor fg, bg;
978		933
979	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)	934	(ISSET_PIXCOLOR (Color_pointer_fg)
980	? pix_colors_focused[Color_pointer_fg]	935	? pix_colors_focused[Color_pointer_fg]
981	: pix_colors_focused[Color_fg];	936	: pix_colors_focused[Color_fg]).get (fg);
		937
982	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)	938	(ISSET_PIXCOLOR (Color_pointer_bg)
983	? pix_colors_focused[Color_pointer_bg]	939	? pix_colors_focused[Color_pointer_bg]
984	: pix_colors_focused[Color_bg];	940	: pix_colors_focused[Color_bg]).get (bg);
985		941
986	XQueryColors (display->display, display->cmap, xcol, 2);	942	XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
987	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
988	}	943	}
989		944
990	/*----------------------------------------------------------------------*/	945	/*----------------------------------------------------------------------*/
991	/*	946	/*
992	* 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
993	*/	948	*/
994	void	949	char *
995	rxvt_term::set_colorfgbg ()	950	rxvt_term::get_colorfgbg ()
996	{	951	{
997	unsigned int i;	952	unsigned int i;
998	const char *xpmb = "\0";	953	const char *xpmb = "";
999	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];	954	char fstr[] = "default";
		955	char bstr[] = "default";
		956	char *env_colorfgbg;
1000		957
1001	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
1002	strcpy (fstr, "default");
1003	strcpy (bstr, "default");
1004	for (i = Color_Black; i <= Color_White; i++)	958	for (i = Color_Black; i <= Color_White; i++)
1005	if (pix_colors[Color_fg] == pix_colors[i])	959	if (pix_colors[Color_fg] == pix_colors[i])
1006	{	960	{
1007	sprintf (fstr, "%d", (i - Color_Black));	961	sprintf (fstr, "%d", i - Color_Black);
1008	break;	962	break;
1009	}	963	}
1010		964
1011	for (i = Color_Black; i <= Color_White; i++)	965	for (i = Color_Black; i <= Color_White; i++)
1012	if (pix_colors[Color_bg] == pix_colors[i])	966	if (pix_colors[Color_bg] == pix_colors[i])
1013	{	967	{
1014	sprintf (bstr, "%d", (i - Color_Black));	968	sprintf (bstr, "%d", i - Color_Black);
1015	#ifdef XPM_BACKGROUND	969	#ifdef BG_IMAGE_FROM_FILE
1016	xpmb = "default;";	970	xpmb = "default;";
1017	#endif	971	#endif
1018	break;	972	break;
1019	}	973	}
1020		974
		975	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg"));
1021	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	976	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
		977	return env_colorfgbg;
1022	}	978	}
1023		979
1024	/*----------------------------------------------------------------------*/	980	/*----------------------------------------------------------------------*/
1025		981
1026	int	982	bool
1027	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	983	rxvt_term::set_color (rxvt_color &color, const char *name)
1028	{	984	{
1029	if (!screen_in_out->set (display, colour))	985	if (color.set (this, name))
1030	{
1031	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
1032	return false;
1033	}
1034
1035	return true;	986	return true;
		987
		988	rxvt_warn ("can't get colour '%s', continuing without.\n", name);
		989	return false;
		990	}
		991
		992	void
		993	rxvt_term::alias_color (int dst, int src)
		994	{
		995	pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
1036	}	996	}
1037		997
1038	/* -------------------------------------------------------------------- *	998	/* -------------------------------------------------------------------- *
1039	* - WINDOW RESIZING - *	999	* - WINDOW RESIZING - *
1040	* -------------------------------------------------------------------- */	1000	* -------------------------------------------------------------------- */
1041	void	1001	void
1042	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	1002	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1043	{	1003	{
1044	int fix_screen;	1004	int fix_screen;
		1005	int old_width = szHint.width;
		1006	int old_height = szHint.height;
1045		1007
1046	#ifdef SMART_RESIZE
1047	int old_width = szHint.width, old_height = szHint.height;
1048	#endif
1049
1050	window_calc (width, height);	1008	window_calc (newwidth, newheight);
		1009
		1010	bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
		1011
		1012	// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
		1013	if (set_hint)
		1014	{
		1015	szHint.flags &= ~(PBaseSize | PResizeInc);
1051	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	1016	XSetWMNormalHints (dpy, parent, &szHint);
		1017	szHint.flags |= PBaseSize | PResizeInc;
		1018	}
1052		1019
1053	if (!ignoreparent)	1020	if (!ignoreparent)
1054	{	1021	{
1055	#ifdef SMART_RESIZE	1022	#ifdef SMART_RESIZE
1056	/*	1023	/*
…		…
1060	int x, y, x1, y1;	1027	int x, y, x1, y1;
1061	int dx, dy;	1028	int dx, dy;
1062	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1029	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1063	Window unused_cr;	1030	Window unused_cr;
1064		1031
1065	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	1032	XTranslateCoordinates (dpy, parent, display->root,
1066	0, 0, &x, &y, &unused_cr);	1033	0, 0, &x, &y, &unused_cr);
1067	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	1034	XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
1068	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1035	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
1069	/*	1036	/*
1070	* if display->root isn't the parent window, a WM will probably have offset	1037	* if display->root isn't the parent window, a WM will probably have offset
1071	* our position for handles and decorations. Counter it	1038	* our position for handles and decorations. Counter it
1072	*/	1039	*/
…		…
1074	{	1041	{
1075	x -= x1;	1042	x -= x1;
1076	y -= y1;	1043	y -= y1;
1077	}	1044	}
1078		1045
1079	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	1046	x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
1080	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	1047	y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
1081	dx = old_width - szHint.width;	1048	dx = old_width - szHint.width;
1082	dy = old_height - szHint.height;	1049	dy = old_height - szHint.height;
1083		1050
1084	/* Check position of the center of the window */	1051	/* Check position of the center of the window */
1085	if (x < x1) /* left half */	1052	if (x < x1) /* left half */
1086	dx = 0;	1053	dx = 0;
…		…
1089	if (y < y1) /* top half */	1056	if (y < y1) /* top half */
1090	dy = 0;	1057	dy = 0;
1091	else if (y == y1) /* exact center */	1058	else if (y == y1) /* exact center */
1092	dy /= 2;	1059	dy /= 2;
1093		1060
1094	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	1061	XMoveResizeWindow (dpy, parent, x + dx, y + dy,
1095	szHint.width, szHint.height);	1062	szHint.width, szHint.height);
1096	#else	1063	#else
1097	XResizeWindow (display->display, TermWin.parent[0], szHint.width, szHint.height);	1064	XResizeWindow (dpy, parent, szHint.width, szHint.height);
1098	#endif	1065	#endif
1099	}	1066	}
1100		1067
		1068	if (set_hint)
		1069	XSetWMNormalHints (dpy, parent, &szHint);
		1070
1101	fix_screen = TermWin.ncol != prev_ncol || TermWin.nrow != prev_nrow;	1071	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1102		1072
1103	if (fix_screen || width != old_width || height != old_height)	1073	if (fix_screen || newwidth != old_width || newheight != old_height)
1104	{	1074	{
1105	if (scrollbar_visible ())	1075	if (scrollBar.state)
1106	{	1076	scrollBar.resize ();
1107	XMoveResizeWindow (display->display, scrollBar.win,
1108	window_sb_x, 0,
1109	scrollbar_TotalWidth (), szHint.height);
1110	resize_scrollbar ();
1111	}
1112		1077
1113	if (menubar_visible ())
1114	XMoveResizeWindow (display->display, menuBar.win,
1115	window_vt_x, 0,
1116	TermWin_TotalWidth (), menuBar_TotalHeight ());
1117
1118	XMoveResizeWindow (display->display, TermWin.vt,	1078	XMoveResizeWindow (dpy, vt,
1119	window_vt_x, window_vt_y,	1079	window_vt_x, window_vt_y,
1120	TermWin_TotalWidth (), TermWin_TotalHeight ());	1080	width, height);
1121		1081
1122	scr_clear ();	1082	#ifdef HAVE_BG_PIXMAP
1123	#ifdef XPM_BACKGROUND	1083	if (bg_window_size_sensitive ())
1124	resize_pixmap ();	1084	update_background ();
1125	#endif	1085	#endif
1126	}	1086	}
1127		1087
1128	if (fix_screen || old_height == 0)	1088	if (fix_screen || old_height == 0)
1129	{
1130	int curr_screen = -1;
1131	int old_ncol = prev_ncol;
1132
1133	/* scr_reset only works on the primary screen */
1134	if (old_height) /* this is not the first time through */
1135	{
1136	unsigned int ncol = TermWin.ncol;
1137	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1138	curr_screen = scr_change_screen (PRIMARY);
1139	TermWin.ncol = ncol;
1140	}
1141
1142	scr_reset ();	1089	scr_reset ();
1143
1144	if (curr_screen >= 0) /* this is not the first time through */
1145	{
1146	scr_change_screen (curr_screen);
1147	selection_check (old_ncol != TermWin.ncol ? 4 : 0);
1148	}
1149	}
1150
1151	old_width = szHint.width;
1152	old_height = szHint.height;
1153
1154	#ifdef XPM_BACKGROUND
1155	if (TermWin.pixmap)
1156	scr_touch (false);
1157	#endif
1158		1090
1159	#ifdef USE_XIM	1091	#ifdef USE_XIM
1160	IMSetStatusPosition ();	1092	im_set_position ();
1161	#endif	1093	#endif
1162	}	1094	}
1163		1095
1164	/*	1096	/*
1165	* Set the width/height of the vt window in characters. Units are pixels.	1097	* Set the width/height of the vt window in characters. Units are pixels.
1166	* good for toggling 80/132 columns	1098	* good for toggling 80/132 columns
1167	*/	1099	*/
1168	void	1100	void
1169	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1101	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1170	{	1102	{
1171	XWindowAttributes wattr;	1103	XWindowAttributes wattr;
1172		1104
1173	if (width == 0 || height == 0)	1105	if (newwidth == 0 || newheight == 0)
1174	{	1106	{
1175	XGetWindowAttributes (display->display, display->root, &wattr);	1107	XGetWindowAttributes (dpy, display->root, &wattr);
		1108
1176	if (width == 0)	1109	if (newwidth == 0)
1177	width = wattr.width - szHint.base_width;	1110	newwidth = wattr.width - szHint.base_width;
1178	if (height == 0)	1111	if (newheight == 0)
1179	height = wattr.height - szHint.base_height;	1112	newheight = wattr.height - szHint.base_height;
1180	}
1181
1182	if (width != TermWin.width || height != TermWin.height)
1183	{	1113	}
		1114
		1115	if (newwidth != width || newheight != height)
		1116	{
1184	width += szHint.base_width;	1117	newwidth += szHint.base_width;
1185	height += szHint.base_height;	1118	newheight += szHint.base_height;
1186	resize_all_windows (width, height, 0);	1119	resize_all_windows (newwidth, newheight, 0);
1187	}	1120	}
1188	}	1121	}
1189		1122
1190	/* -------------------------------------------------------------------- *	1123	/* -------------------------------------------------------------------- *
1191	* - X INPUT METHOD ROUTINES - *	1124	* - X INPUT METHOD ROUTINES - *
…		…
1193	#ifdef USE_XIM	1126	#ifdef USE_XIM
1194		1127
1195	void	1128	void
1196	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)	1129	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1197	{	1130	{
1198	fg = pix_colors[Color_fg];	1131	fg = pix_colors [Color_fg];
1199	bg = pix_colors[Color_bg];	1132	bg = pix_colors [Color_bg];
1200	}	1133	}
1201		1134
1202	void	1135	void
1203	rxvt_term::im_set_size (XRectangle &size)	1136	rxvt_term::im_set_size (XRectangle &size)
1204	{	1137	{
1205	// the int_bwidth terms make no sense to me	1138	// the int_bwidth terms make no sense to me
1206	size.x = TermWin.int_bwidth;	1139	size.x = int_bwidth;
1207	size.y = TermWin.int_bwidth;	1140	size.y = int_bwidth;
1208	size.width = Width2Pixel (TermWin.ncol) + TermWin.int_bwidth;	1141	size.width = Width2Pixel (ncol) + int_bwidth;
1209	size.height = Height2Pixel (TermWin.nrow) + TermWin.int_bwidth;	1142	size.height = Height2Pixel (nrow) + int_bwidth;
1210	}	1143	}
1211		1144
1212	void	1145	void
1213	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,	1146	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1214	XRectangle &status_rect,	1147	XRectangle &status_rect,
1215	const XRectangle &needed_rect)	1148	const XRectangle &needed_rect)
1216	{	1149	{
1217	preedit_rect.x = needed_rect.width;	1150	preedit_rect.x = needed_rect.width;
1218	preedit_rect.y = 0;	1151	preedit_rect.y = 0;
1219	preedit_rect.width = Width2Pixel (TermWin.ncol) - needed_rect.width + 1;	1152	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1220	preedit_rect.height = TermWin.fheight;	1153	preedit_rect.height = fheight;
1221		1154
1222	status_rect.x = 0;	1155	status_rect.x = 0;
1223	status_rect.y = 0;	1156	status_rect.y = 0;
1224	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (TermWin.ncol) + 1;	1157	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1225	status_rect.height = TermWin.fheight;	1158	status_rect.height = fheight;
1226	}	1159	}
1227		1160
1228	/* Checking whether input method is running. */	1161	/* Checking whether input method is running. */
1229	bool	1162	bool
1230	rxvt_term::IMisRunning ()	1163	rxvt_term::im_is_running ()
1231	{	1164	{
1232	char *p;
1233	Atom atom;	1165	Atom atom;
1234	Window win;	1166	Window win;
1235	char server[IMBUFSIZ];	1167	char server[IMBUFSIZ];
1236		1168
1237	/* get current locale modifier */	1169	/* get current locale modifier */
1238	if ((p = XSetLocaleModifiers (NULL)) != NULL)	1170	if (char *p = XSetLocaleModifiers (0))
1239	{	1171	{
1240	strcpy (server, "@server=");	1172	strcpy (server, "@server=");
1241	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1173	strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
1242		1174
1243	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */	1175	if (p = strchr (server + 1, '@')) /* first one only */
1244	*p = '\0';	1176	*p = '\0';
1245		1177
1246	atom = XInternAtom (display->display, server, False);	1178	atom = XInternAtom (dpy, server, False);
1247	win = XGetSelectionOwner (display->display, atom);	1179	win = XGetSelectionOwner (dpy, atom);
1248		1180
1249	if (win != None)	1181	if (win != None)
1250	return True;	1182	return true;
1251	}	1183	}
1252		1184
1253	return False;	1185	return false;
1254	}	1186	}
1255		1187
1256	void	1188	void
1257	rxvt_term::IMSendSpot ()	1189	rxvt_term::im_send_spot ()
1258	{	1190	{
1259	XPoint nspot;	1191	XPoint nspot;
1260	XVaNestedList preedit_attr;	1192	XVaNestedList preedit_attr;
1261		1193
1262	if (!Input_Context	1194	if (!Input_Context
1263	|| !TermWin.focus	1195	|| !focus
1264	|| !(input_style & XIMPreeditPosition))	1196	|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1265	return;	1197	return;
1266		1198
1267	im_set_position (nspot);	1199	im_set_position (nspot);
1268		1200
1269	if (nspot.x == spot.x && nspot.y == spot.y)	1201	if (nspot.x == spot.x && nspot.y == spot.y)
…		…
1288	input_method = 0;	1220	input_method = 0;
1289	}	1221	}
1290		1222
1291	Input_Context = 0;	1223	Input_Context = 0;
1292	}	1224	}
		1225
		1226	#ifdef ENABLE_XIM_ONTHESPOT
		1227
		1228	static void
		1229	xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
		1230	{
		1231	((rxvt_term *)client_data)->make_current ();
		1232	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
		1233	}
		1234
		1235	static void
		1236	xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
		1237	{
		1238	((rxvt_term *)client_data)->make_current ();
		1239	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
		1240	}
		1241
		1242	static void
		1243	xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
		1244	{
		1245	rxvt_term *term = (rxvt_term *)client_data;
		1246	XIMText *text = call_data->text;
		1247
		1248	term->make_current ();
		1249
		1250	if (text)
		1251	{
		1252	wchar_t *str;
		1253
		1254	if (!text->encoding_is_wchar && text->string.multi_byte)
		1255	{
		1256	// of course, X makes it ugly again
		1257	if (term->rs[Rs_imLocale])
		1258	SET_LOCALE (term->rs[Rs_imLocale]);
		1259
		1260	str = rxvt_temp_buf<wchar_t> (text->length + 1);
		1261	mbstowcs (str, text->string.multi_byte, text->length + 1);
		1262
		1263	if (term->rs[Rs_imLocale])
		1264	SET_LOCALE (term->locale);
		1265	}
		1266	else
		1267	str = text->string.wide_char;
		1268
		1269	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1270	DT_INT, call_data->caret,
		1271	DT_INT, call_data->chg_first,
		1272	DT_INT, call_data->chg_length,
		1273	DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
		1274	DT_WCS_LEN, str, str ? (int)text->length : 0,
		1275	DT_END));
		1276	}
		1277	else
		1278	HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
		1279	DT_INT, call_data->caret,
		1280	DT_INT, call_data->chg_first,
		1281	DT_INT, call_data->chg_length,
		1282	DT_END));
		1283	}
		1284
		1285	#if 0
		1286	static void
		1287	xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
		1288	{
		1289	((rxvt_term *)client_data)->make_current ();
		1290	HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
		1291	DT_INT, call_data->position,
		1292	DT_INT, call_data->direction,
		1293	DT_INT, call_data->style,
		1294	DT_END));
		1295	}
		1296	#endif
		1297
		1298	#endif
1293		1299
1294	/*	1300	/*
1295	* Try to open a XIM with the current modifiers, then see if we can	1301	* Try to open a XIM with the current modifiers, then see if we can
1296	* open a suitable preedit type	1302	* open a suitable preedit type
1297	*/	1303	*/
1298	bool	1304	bool
1299	rxvt_term::IM_get_IC (const char *modifiers)	1305	rxvt_term::im_get_ic (const char *modifiers)
1300	{	1306	{
1301	int i, j, found;	1307	int i, j, found;
1302	XIM xim;	1308	XIM xim;
1303	XPoint spot;	1309	XPoint spot;
1304	XRectangle rect, status_rect, needed_rect;	1310	XRectangle rect, status_rect, needed_rect;
1305	unsigned long fg, bg;	1311	unsigned long fg, bg;
1306	const char *p;	1312	const char *p;
1307	char **s;	1313	char **s;
1308	XIMStyles *xim_styles;	1314	XIMStyles *xim_styles;
1309		1315
		1316	set_environ (envv);
		1317
1310	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))	1318	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1311	return false;	1319	return false;
1312		1320
1313	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1314	input_method = display->get_xim (locale, modifiers);	1321	input_method = display->get_xim (locale, modifiers);
1315	if (input_method == NULL)	1322	if (input_method == NULL)
1316	return false;	1323	return false;
1317		1324
1318	xim = input_method->xim;	1325	xim = input_method->xim;
…		…
1333	p = pet[pi];	1340	p = pet[pi];
1334		1341
1335	if (!p)	1342	if (!p)
1336	continue;	1343	continue;
1337		1344
1338	s = rxvt_splitcommastring (p);	1345	s = rxvt_strsplit (',', p);
1339		1346
1340	for (i = found = 0; !found && s[i]; i++)	1347	for (i = found = 0; !found && s[i]; i++)
1341	{	1348	{
1342	if (!strcmp (s[i], "OverTheSpot"))	1349	if (!strcmp (s[i], "OverTheSpot"))
1343	input_style = (XIMPreeditPosition | XIMStatusNothing);	1350	input_style = XIMPreeditPosition | XIMStatusNothing;
1344	else if (!strcmp (s[i], "OffTheSpot"))	1351	else if (!strcmp (s[i], "OffTheSpot"))
1345	input_style = (XIMPreeditArea | XIMStatusArea);	1352	input_style = XIMPreeditArea | XIMStatusArea;
1346	else if (!strcmp (s[i], "Root"))	1353	else if (!strcmp (s[i], "Root"))
1347	input_style = (XIMPreeditNothing | XIMStatusNothing);	1354	input_style = XIMPreeditNothing | XIMStatusNothing;
1348	else if (!strcmp (s[i], "None"))	1355	else if (!strcmp (s[i], "None"))
1349	input_style = (XIMPreeditNone | XIMStatusNone);	1356	input_style = XIMPreeditNone | XIMStatusNone;
		1357	#ifdef ENABLE_XIM_ONTHESPOT
		1358	else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
		1359	input_style = XIMPreeditCallbacks | XIMStatusNothing;
		1360	#endif
		1361	else
		1362	input_style = XIMPreeditNothing | XIMStatusNothing;
1350		1363
1351	for (j = 0; j < xim_styles->count_styles; j++)	1364	for (j = 0; j < xim_styles->count_styles; j++)
1352	if (input_style == xim_styles->supported_styles[j])	1365	if (input_style == xim_styles->supported_styles[j])
1353	{	1366	{
1354	rxvt_freecommastring (s);	1367	rxvt_free_strsplit (s);
1355		1368
1356	found = 1;	1369	found = 1;
1357	goto foundpet;	1370	goto foundpet;
1358	}	1371	}
1359		1372
1360	}	1373	}
1361		1374
1362	rxvt_freecommastring (s);	1375	rxvt_free_strsplit (s);
1363	}	1376	}
1364		1377
1365	foundpet:	1378	foundpet:
1366		1379
1367	XFree (xim_styles);	1380	XFree (xim_styles);
…		…
1388	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"	1401	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1389	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"	1402	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1390	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"	1403	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1391	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"	1404	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1392	"*",	1405	"*",
1393	TermWin.fheight,	1406	fheight,
1394	TermWin.fheight + 1, TermWin.fheight - 1,	1407	fheight + 1, fheight - 1,
1395	TermWin.fheight - 2, TermWin.fheight + 2);	1408	fheight - 2, fheight + 2);
1396		1409
1397	fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,	1410	fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1398	&missing_charset_list, &missing_charset_count, &def_string);	1411	&missing_charset_list, &missing_charset_count, &def_string);
1399		1412
1400	if (missing_charset_list)	1413	if (missing_charset_list)
1401	XFreeStringList (missing_charset_list);	1414	XFreeStringList (missing_charset_list);
1402		1415
…		…
1443	XNBackground, bg,	1456	XNBackground, bg,
1444	XNArea, &status_rect,	1457	XNArea, &status_rect,
1445	XNFontSet, fs,	1458	XNFontSet, fs,
1446	NULL);	1459	NULL);
1447	}	1460	}
		1461	#if ENABLE_XIM_ONTHESPOT
		1462	else if (input_style & XIMPreeditCallbacks)
		1463	{
		1464	XIMCallback xcb[4];
		1465
		1466	im_set_position (spot);
		1467
		1468	xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
		1469	xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
		1470	xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
		1471	# if 0
		1472	xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
		1473	# endif
		1474
		1475	preedit_attr = XVaCreateNestedList (0,
		1476	XNSpotLocation, &spot,
		1477	XNPreeditStartCallback, &xcb[0],
		1478	XNPreeditDoneCallback , &xcb[1],
		1479	XNPreeditDrawCallback , &xcb[2],
		1480	# if 0
		1481	XNPreeditCaretCallback, &xcb[3],
		1482	# endif
		1483	NULL);
		1484	}
		1485	#endif
1448		1486
1449	Input_Context = XCreateIC (xim,	1487	Input_Context = XCreateIC (xim,
1450	XNInputStyle, input_style,	1488	XNInputStyle, input_style,
1451	XNClientWindow, TermWin.vt,	1489	XNClientWindow, vt,
1452	XNFocusWindow, TermWin.parent[0],	1490	XNFocusWindow, parent,
1453	preedit_attr ? XNPreeditAttributes : NULL,	1491	preedit_attr ? XNPreeditAttributes : NULL,
1454	preedit_attr,	1492	preedit_attr,
1455	status_attr ? XNStatusAttributes : NULL,	1493	status_attr ? XNStatusAttributes : NULL,
1456	status_attr, NULL);	1494	status_attr, NULL);
1457		1495
1458	if (preedit_attr) XFree (preedit_attr);	1496	if (preedit_attr) XFree (preedit_attr);
1459	if (status_attr) XFree (status_attr);	1497	if (status_attr) XFree (status_attr);
1460	if (fs) XFreeFontSet (display->display, fs);	1498	if (fs) XFreeFontSet (dpy, fs);
1461		1499
1462	if (Input_Context == NULL)	1500	if (Input_Context == NULL)
1463	{	1501	{
1464	rxvt_warn ("failed to create input context, continuing without XIM.\n");	1502	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1465	im_destroy ();	1503	im_destroy ();
1466	return false;	1504	return false;
1467	}	1505	}
1468		1506
1469	if (input_style & XIMPreeditArea)	1507	#if 0
1470	IMSetStatusPosition ();	1508	// unfortunately, only the focus window is used by XIM, hard to fix
		1509	if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
		1510	vt_select_input ();
		1511	#endif
1471		1512
1472	D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));	1513	im_set_position ();
		1514
1473	return true;	1515	return true;
1474	}	1516	}
1475		1517
1476	void	1518	void
1477	rxvt_term::im_cb ()	1519	rxvt_term::im_cb ()
1478	{	1520	{
1479	int i, found, had_im;	1521	int i;
1480	const char *p;	1522	const char *p;
1481	char **s;	1523	char **s;
1482	char buf[IMBUFSIZ];	1524	char buf[IMBUFSIZ];
1483		1525
		1526	make_current ();
		1527
1484	im_destroy ();	1528	im_destroy ();
1485		1529
1486	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1487	if (Input_Context)	1530	if (Input_Context)
1488	return;	1531	return;
1489		1532
1490	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1533	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1491	if (rs[Rs_imLocale])	1534	if (rs[Rs_imLocale])
…		…
1495	p = rs[Rs_inputMethod];	1538	p = rs[Rs_inputMethod];
1496	if (p && *p)	1539	if (p && *p)
1497	{	1540	{
1498	bool found = false;	1541	bool found = false;
1499		1542
1500	s = rxvt_splitcommastring (p);	1543	s = rxvt_strsplit (',', p);
1501		1544
1502	for (i = 0; s[i]; i++)	1545	for (i = 0; s[i]; i++)
1503	{	1546	{
1504	if (*s[i])	1547	if (*s[i])
1505	{	1548	{
1506	strcpy (buf, "@im=");	1549	strcpy (buf, "@im=");
1507	strncat (buf, s[i], IMBUFSIZ - 5);	1550	strncat (buf, s[i], IMBUFSIZ - 5);
1508	if (IM_get_IC (buf))	1551	if (im_get_ic (buf))
1509	{	1552	{
1510	found = true;	1553	found = true;
1511	break;	1554	break;
1512	}	1555	}
1513	}	1556	}
1514	}	1557	}
1515		1558
1516	rxvt_freecommastring (s);	1559	rxvt_free_strsplit (s);
1517		1560
1518	if (found)	1561	if (found)
1519	goto done;	1562	goto done;
1520	}	1563	}
1521		1564
1522	/* try with XMODIFIERS env. var. */	1565	/* try with XMODIFIERS env. var. */
1523	if (IM_get_IC (""))	1566	if (im_get_ic (""))
1524	goto done;	1567	goto done;
1525		1568
1526	/* try with no modifiers base IF the user didn't specify an IM */	1569	/* try with no modifiers base IF the user didn't specify an IM */
1527	if (IM_get_IC ("@im=none"))	1570	if (im_get_ic ("@im=none"))
1528	goto done;	1571	goto done;
1529		1572
1530	done:	1573	done:
1531	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)	1574	#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1532	if (rs[Rs_imLocale])	1575	if (rs[Rs_imLocale])
1533	SET_LOCALE (locale);	1576	SET_LOCALE (locale);
1534	#endif	1577	#endif
1535	}	1578	}
1536		1579
1537	void	1580	void
1538	rxvt_term::IMSetStatusPosition ()	1581	rxvt_term::im_set_position ()
1539	{	1582	{
1540	XRectangle preedit_rect, status_rect, *needed_rect;	1583	XRectangle preedit_rect, status_rect, *needed_rect;
1541	XVaNestedList preedit_attr, status_attr;	1584	XVaNestedList preedit_attr, status_attr;
1542		1585
1543	if (!Input_Context	1586	if (!Input_Context
1544	|| !TermWin.focus	1587	|| !focus
1545	|| !(input_style & XIMPreeditArea)	1588	|| !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1546	|| !IMisRunning ())	1589	|| !im_is_running ())
1547	return;	1590	return;
1548		1591
		1592	if (input_style & XIMPreeditPosition)
		1593	{
		1594	im_set_size (preedit_rect);
		1595	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
		1596
		1597	XSetICValues (Input_Context,
		1598	XNPreeditAttributes, preedit_attr, NULL);
		1599	}
		1600	else
		1601	{
1549	/* Getting the necessary width of preedit area */	1602	/* Getting the necessary width of preedit area */
1550	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);	1603	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1551	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);	1604	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1552	XFree (status_attr);	1605	XFree (status_attr);
1553		1606
1554	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);	1607	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1555	XFree (needed_rect);	1608	XFree (needed_rect);
1556		1609
1557	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);	1610	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1558	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);	1611	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1559		1612
1560	XSetICValues (Input_Context,	1613	XSetICValues (Input_Context,
1561	XNPreeditAttributes, preedit_attr,	1614	XNPreeditAttributes, preedit_attr,
1562	XNStatusAttributes, status_attr, NULL);	1615	XNStatusAttributes, status_attr,
		1616	NULL);
1563		1617
		1618	XFree (status_attr);
		1619	}
		1620
1564	XFree (preedit_attr);	1621	XFree (preedit_attr);
1565	XFree (status_attr);
1566	}	1622	}
1567	#endif /* USE_XIM */	1623	#endif /* USE_XIM */
1568		1624
1569	/*----------------------------------------------------------------------*/	1625	void
1570	rxvt_t rxvt_current_term;	1626	rxvt_term::get_window_origin (int &x, int &y)
		1627	{
		1628	Window cr;
		1629	XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
		1630	}
		1631
		1632	Pixmap
		1633	rxvt_term::get_pixmap_property (Atom property)
		1634	{
		1635	Pixmap pixmap = None;
		1636
		1637	int aformat;
		1638	unsigned long nitems, bytes_after;
		1639	Atom atype;
		1640	unsigned char *prop;
		1641	int result = XGetWindowProperty (dpy, display->root, property,
		1642	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		1643	&nitems, &bytes_after, &prop);
		1644	if (result == Success)
		1645	{
		1646	if (atype == XA_PIXMAP)
		1647	pixmap = *(Pixmap *)prop;
		1648	XFree (prop);
		1649	}
		1650
		1651	return pixmap;
		1652	}
		1653
		1654	#ifdef HAVE_BG_PIXMAP
		1655
		1656	void
		1657	rxvt_term::update_background ()
		1658	{
		1659	if (update_background_ev.is_active ())
		1660	return;
		1661
		1662	bg_invalidate ();
		1663
		1664	if (!mapped)
		1665	return;
		1666
		1667	ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
		1668
		1669	if (to_wait <= 0.)
		1670	bg_render ();
		1671	else
		1672	update_background_ev.start (to_wait);
		1673	}
		1674
		1675	void
		1676	rxvt_term::update_background_cb (ev::timer &w, int revents)
		1677	{
		1678	make_current ();
		1679
		1680	update_background_ev.stop ();
		1681	bg_render ();
		1682	refresh_check ();
		1683	}
		1684
		1685	#endif /* HAVE_BG_PIXMAP */
1571		1686
1572	/*----------------------- end-of-file (C source) -----------------------*/	1687	/*----------------------- end-of-file (C source) -----------------------*/

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