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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.53 by pcg, Sun Mar 14 17:33:07 2004 UTC vs.
Revision 1.187 by root, Tue Jan 17 16:22:41 2006 UTC

1	/*--------------------------------*-C-*---------------------------------*;	1	/*--------------------------------*-C-*---------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>	6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
7	* - original version	7	* - original version
…		…
11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
12	* - extensive modifications	12	* - extensive modifications
13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
15	* - extensive modifications	15	* - extensive modifications
16	* Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com>	16	* Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
17	*	17	*
18	* This program is free software; you can redistribute it and/or modify	18	* This program is free software; you can redistribute it and/or modify
19	* it under the terms of the GNU General Public License as published by	19	* it under the terms of the GNU General Public License as published by
20	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
…		…
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
32		32
33	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	35	#include "keyboard.h"
		36	#include "rxvtperl.h"
36		37
		38	#include <limits>
		39
37	#include <signal.h>	40	#include <csignal>
		41	#include <cstring>
38		42
39	#ifdef TTY_GID_SUPPORT	43	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>	44	# include <grp.h>
41	#endif	45	#endif
42		46
43	#ifdef HAVE_TERMIOS_H	47	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	48	# include <termios.h>
45	#endif	49	#endif
46		50
47	#include <cstring>	51	vector<rxvt_term *> rxvt_term::termlist;
48		52
49	static char curlocale[128];	53	static char curlocale[128], savelocale[128];
50		54
51	void	55	bool
52	rxvt_set_locale (const char *locale)	56	rxvt_set_locale (const char *locale)
53	{	57	{
54	if (locale && STRNCMP (locale, curlocale, 128))	58	if (!locale || !strncmp (locale, curlocale, 128))
55	{	59	return false;
		60
56	STRNCPY (curlocale, locale, 128);	61	strncpy (curlocale, locale, 128);
57	setlocale (LC_CTYPE, curlocale);	62	setlocale (LC_CTYPE, curlocale);
58	}	63	return true;
		64	}
		65
		66	void
		67	rxvt_push_locale (const char *locale)
		68	{
		69	strcpy (savelocale, curlocale);
		70	rxvt_set_locale (locale);
		71	}
		72
		73	void
		74	rxvt_pop_locale ()
		75	{
		76	rxvt_set_locale (savelocale);
59	}	77	}
60		78
61	#if ENABLE_COMBINING	79	#if ENABLE_COMBINING
62	class rxvt_composite_vec rxvt_composite;	80	class rxvt_composite_vec rxvt_composite;
63		81
64	text_t rxvt_composite_vec::compose (uint32_t c1, uint32_t c2)	82	text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
65	{	83	{
66	compose_char *cc;	84	compose_char *cc;
67		85
68	// break compose chains, as stupid readline really likes to duplicate	86	// break compose chains, as stupid readline really likes to duplicate
69	// composing characters for some reason near the end of a line.	87	// composing characters for some reason near the end of a line.
…		…
95	v.push_back (compose_char (c1, c2));	113	v.push_back (compose_char (c1, c2));
96		114
97	return v.size () - 1 + COMPOSE_LO;	115	return v.size () - 1 + COMPOSE_LO;
98	}	116	}
99		117
100	int rxvt_composite_vec::expand (uint32_t c, wchar_t *r)	118	int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
101	{	119	{
102	compose_char *cc = (*this)[c];	120	compose_char *cc = (*this)[c];
103		121
104	if (!cc)	122	if (!cc)
105	{	123	{
…		…
120	return len;	138	return len;
121		139
122	}	140	}
123	#endif	141	#endif
124		142
125	void *
126	rxvt_term::operator new (size_t s)
127	{
128	void *p = malloc (s);
129
130	MEMSET (p, 0, s);
131	return p;
132	}
133
134	void
135	rxvt_term::operator delete (void *p, size_t s)
136	{
137	free (p);
138	}
139
140	rxvt_term::rxvt_term ()	143	rxvt_term::rxvt_term ()
141	:	144	:
		145	#if TRANSPARENT
142	rootwin_ev (this, &rxvt_term::rootwin_cb),	146	rootwin_ev (this, &rxvt_term::rootwin_cb),
		147	#endif
		148	#ifdef HAVE_SCROLLBARS
		149	scrollbar_ev (this, &rxvt_term::x_cb),
		150	#endif
		151	#ifdef CURSOR_BLINK
		152	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
		153	#endif
		154	#ifdef TEXT_BLINK
		155	text_blink_ev (this, &rxvt_term::text_blink_cb),
		156	#endif
		157	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		158	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
		159	#endif
		160	#ifdef SELECTION_SCROLLING
		161	sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
		162	#endif
		163	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		164	slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
		165	#endif
		166	#ifdef POINTER_BLANK
		167	pointer_ev (this, &rxvt_term::pointer_cb),
		168	#endif
		169	#ifdef USE_XIM
		170	im_ev (this, &rxvt_term::im_cb),
		171	#endif
143	termwin_ev (this, &rxvt_term::x_cb),	172	termwin_ev (this, &rxvt_term::x_cb),
144	vt_ev (this, &rxvt_term::x_cb),	173	vt_ev (this, &rxvt_term::x_cb),
145	#ifdef HAVE_SCROLLBARS
146	scrollbar_ev (this, &rxvt_term::x_cb),
147	#endif
148	#ifdef MENUBAR
149	menubar_ev (this, &rxvt_term::x_cb),
150	#endif
151	#ifdef CURSOR_BLINK
152	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
153	#endif
154	#ifdef TEXT_BLINK
155	text_blink_ev (this, &rxvt_term::text_blink_cb),
156	#endif
157	#ifdef POINTER_BLANK
158	pointer_ev (this, &rxvt_term::pointer_cb),
159	#endif
160	#ifdef USE_XIM
161	im_ev (this, &rxvt_term::im_cb),
162	#endif
163	check_ev (this, &rxvt_term::check_cb),	174	check_ev (this, &rxvt_term::check_cb),
		175	flush_ev (this, &rxvt_term::flush_cb),
164	destroy_ev (this, &rxvt_term::destroy_cb),	176	destroy_ev (this, &rxvt_term::destroy_cb),
165	pty_ev (this, &rxvt_term::pty_cb),	177	pty_ev (this, &rxvt_term::pty_cb),
166	incr_ev (this, &rxvt_term::incr_cb)	178	incr_ev (this, &rxvt_term::incr_cb)
167	{	179	{
168	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	180	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		181
		182	termlist.push_back (this);
		183
		184	#ifdef KEYSYM_RESOURCE
		185	keyboard = new keyboard_manager;
		186
		187	if (!keyboard)
		188	rxvt_fatal ("out of memory, aborting.\n");
		189	#endif
		190	}
		191
		192	// clean up the most important stuff, do *not* call x or free mem etc.
		193	// for use before an emergency exit
		194	void rxvt_term::emergency_cleanup ()
		195	{
		196	if (cmd_pid)
		197	kill (-cmd_pid, SIGHUP);
		198
		199	delete pty; pty = 0;
169	}	200	}
170		201
171	rxvt_term::~rxvt_term ()	202	rxvt_term::~rxvt_term ()
172	{	203	{
173	if (cmd_fd >= 0)	204	HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
174	close (cmd_fd);
175		205
176	#ifndef NO_SETOWNER_TTYDEV	206	termlist.erase (find (termlist.begin (), termlist.end(), this));
177	privileged_ttydev (RESTORE);
178	#endif
179	#ifdef UTMP_SUPPORT
180	privileged_utmp (RESTORE);
181	#endif
182		207
		208	emergency_cleanup ();
		209
		210	#if ENABLE_STYLES
		211	for (int i = RS_styleCount; --i; )
		212	if (fontset[i] != fontset[0])
		213	delete fontset[i];
		214	#endif
183	delete TermWin.fontset;	215	delete fontset[0];
184		216
185	if (display)	217	if (display)
186	{	218	{
187	#if defined(MENUBAR) && (MENUBAR_MAX > 1)	219	dDisp;
		220
		221	selection_clear ();
		222
		223	#ifdef USE_XIM
		224	im_destroy ();
		225	#endif
		226	#ifdef XTERM_SCROLLBAR
		227	if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
		228	if (ShadowGC) XFreeGC (disp, ShadowGC);
		229	#endif
		230	#ifdef PLAIN_SCROLLBAR
		231	if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
		232	#endif
		233	#ifdef NEXT_SCROLLBAR
		234	if (blackGC) XFreeGC (disp, blackGC);
		235	if (whiteGC) XFreeGC (disp, whiteGC);
		236	if (grayGC) XFreeGC (disp, grayGC);
		237	if (darkGC) XFreeGC (disp, darkGC);
		238	if (stippleGC) XFreeGC (disp, stippleGC);
		239	if (dimple) XFreePixmap (disp, dimple);
		240	if (upArrow) XFreePixmap (disp, upArrow);
		241	if (downArrow) XFreePixmap (disp, downArrow);
		242	if (upArrowHi) XFreePixmap (disp, upArrowHi);
		243	if (downArrowHi) XFreePixmap (disp, downArrowHi);
		244	#endif
		245	#ifdef RXVT_SCROLLBAR
		246	if (topShadowGC) XFreeGC (disp, topShadowGC);
		247	if (botShadowGC) XFreeGC (disp, botShadowGC);
		248	if (scrollbarGC) XFreeGC (disp, scrollbarGC);
		249	#endif
		250	if (gc) XFreeGC (disp, gc);
		251
188	delete menuBar.drawable;	252	delete drawable;
189	//if (menuBar.win)
190	// XDestroyWindow (display->display, menuBar.win);
191	#endif
192	delete TermWin.drawable;
193	// destroy all windows	253	// destroy all windows
194	if (TermWin.parent[0])	254	if (parent[0])
195	XDestroyWindow (display->display, TermWin.parent[0]);	255	XDestroyWindow (disp, parent[0]);
196	}	256	}
197		257
198	// TODO: free pixcolours, colours should become part of rxvt_display	258	// TODO: free pixcolours, colours should become part of rxvt_display
199		259	delete pix_colors_focused;
200	delete PixColors;	260	#if OFF_FOCUS_FADING
		261	delete pix_colors_unfocused;
		262	#endif
201		263
202	displays.put (display);	264	displays.put (display);
203		265
204	scr_release ();	266	scr_release ();
205		267
		268	/* clear all resources */
		269	for (int i = 0; i < allocated.size (); i++)
		270	free (allocated [i]);
		271
		272	free (selection.text);
		273	// TODO: manage env vars in child only(!)
206	free (env_windowid);	274	free (env_windowid);
207	free (env_display);	275	free (env_display);
208	free (env_term);	276	free (env_term);
209	free (env_colorfgbg);	277	free (env_colorfgbg);
210	free (locale);	278	free (locale);
211	free (codeset);	279	free (v_buffer);
		280	free (incr_buf);
212		281
213	delete envv;	282	delete envv;
214	delete argv;	283	delete argv;
		284
		285	#ifdef KEYSYM_RESOURCE
		286	delete keyboard;
		287	#endif
		288	}
		289
		290	void
		291	rxvt_term::child_exit ()
		292	{
		293	cmd_pid = 0;
		294
		295	if (!OPTION (Opt_hold))
		296	destroy ();
215	}	297	}
216		298
217	void	299	void
218	rxvt_term::destroy ()	300	rxvt_term::destroy ()
219	{	301	{
		302	if (destroy_ev.active)
		303	return;
		304
		305	#if ENABLE_OVERLAY
		306	scr_overlay_off ();
		307	#endif
		308
220	if (display)	309	if (display)
221	{	310	{
		311	#if USE_XIM
		312	im_ev.stop (display);
		313	#endif
		314	#if HAVE_SCROLLBARS
		315	scrollbar_ev.stop (display);
		316	#endif
		317	#if TRANSPARENT
222	rootwin_ev.stop (display);	318	rootwin_ev.stop (display);
		319	#endif
		320	incr_ev.stop ();
223	termwin_ev.stop (display);	321	termwin_ev.stop (display);
224	vt_ev.stop (display);	322	vt_ev.stop (display);
225	#ifdef USE_XIM
226	im_destroy ();
227	im_ev.stop (display);
228	#endif
229	#ifdef HAVE_SCROLLBARS
230	scrollbar_ev.stop (display);
231	#endif
232	#ifdef MENUBAR
233	menubar_ev.stop (display);
234	#endif
235	}	323	}
236		324
237	check_ev.stop ();	325	check_ev.stop ();
238	pty_ev.stop ();	326	pty_ev.stop ();
239	#ifdef CURSOR_BLINK	327	#ifdef CURSOR_BLINK
240	cursor_blink_ev.stop ();	328	cursor_blink_ev.stop ();
241	#endif	329	#endif
242	#ifdef TEXT_BLINK	330	#ifdef TEXT_BLINK
243	text_blink_ev.stop ();	331	text_blink_ev.stop ();
244	#endif	332	#endif
		333	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		334	cont_scroll_ev.stop ();
		335	#endif
		336	#ifdef SELECTION_SCROLLING
		337	sel_scroll_ev.stop ();
		338	#endif
245	#ifdef POINTER_BLANK	339	#ifdef POINTER_BLANK
246	pointer_ev.stop ();	340	pointer_ev.stop ();
247	#endif	341	#endif
248		342
249	destroy_ev.start (0);	343	destroy_ev.start (0);
250	}	344	}
251		345
252	void	346	void
253	rxvt_term::destroy_cb (time_watcher &w)	347	rxvt_term::destroy_cb (time_watcher &w)
254	{	348	{
255	SET_R (this);	349	make_current ();
256		350
257	delete this;	351	delete this;
258	}
259
260	/*----------------------------------------------------------------------*/
261	/* rxvt_init () */
262	/* LIBPROTO */
263	rxvt_t
264	rxvt_init (int argc, const char *const *argv)
265	{
266	SET_R (new rxvt_term);
267
268	if (!GET_R->init_vars () || !GET_R->init (argc, argv))
269	{
270	delete GET_R;
271	SET_R (0);
272	}
273
274	return GET_R;
275	}
276
277	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
278
279	void
280	rxvt_init_signals ()
281	{
282	/* install exit handler for cleanup */
283	#if 0
284	#ifdef HAVE_ATEXIT
285	atexit (rxvt_clean_exit);
286	#else
287	#endif
288	#endif
289
290	struct sigaction sa;
291
292	sigfillset (&sa.sa_mask);
293	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
294	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
295	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
296	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
297	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
298	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
299	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
300
301	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
302	/* signal (SIGURG, SIG_DFL); */
303
304	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
305	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
306	}
307
308	bool
309	rxvt_term::init (int argc, const char *const *argv)
310	{
311	/*
312	* Save and then give up any super-user privileges
313	* If we need privileges in any area then we must specifically request it.
314	* We should only need to be root in these cases:
315	* 1. write utmp entries on some systems
316	* 2. chown tty on some systems
317	*/
318	privileges (SAVE);
319	privileges (IGNORE);
320
321	init_secondary ();
322
323	const char **cmd_argv = init_resources (argc, argv);
324
325	set_locale ("");
326
327	#if MENUBAR_MAX
328	menubar_read (rs[Rs_menu]);
329	#endif
330	#ifdef HAVE_SCROLLBARS
331	if (Options & Opt_scrollBar)
332	scrollBar.setIdle (); /* set existence for size calculations */
333	#endif
334
335	create_windows (argc, argv);
336
337	init_xlocale ();
338
339	scr_reset (); /* initialize screen */
340
341	#if 0
342	XSynchronize (display->display, True);
343	#endif
344
345	#ifdef HAVE_SCROLLBARS
346	if (Options & Opt_scrollBar)
347	resize_scrollbar (); /* create and map scrollbar */
348	#endif
349	#if (MENUBAR_MAX)
350	if (menubar_visible ())
351	XMapWindow (display->display, menuBar.win);
352	#endif
353	#ifdef TRANSPARENT
354	if (Options & Opt_transparent)
355	{
356	XSelectInput (display->display, display->root, PropertyChangeMask);
357	check_our_parents ();
358	}
359	#endif
360
361	rootwin_ev.start (display, display->root);
362
363	XMapWindow (display->display, TermWin.vt);
364	XMapWindow (display->display, TermWin.parent[0]);
365
366	init_command (cmd_argv);
367
368	pty_ev.start (cmd_fd, EVENT_READ);
369
370	check_ev.start ();
371
372	return true;
373	}
374
375	/* ------------------------------------------------------------------------- *
376	* SIGNAL HANDLING & EXIT HANDLER *
377	* ------------------------------------------------------------------------- */
378	/*
379	* Catch a SIGCHLD signal and exit if the direct child has died
380	*/
381	/* ARGSUSED */
382	/* EXTPROTO */
383	RETSIGTYPE
384	rxvt_Child_signal (int sig __attribute__ ((unused)))
385	{
386	int pid, save_errno = errno;
387	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
388	;
389	errno = save_errno;
390
391	#if 0
392	if (pid == cmd_pid)
393	exit (EXIT_SUCCESS);
394	#endif
395	}
396
397	/*
398	* Catch a fatal signal and tidy up before quitting
399	*/
400	/* EXTPROTO */
401	RETSIGTYPE
402	rxvt_Exit_signal (int sig)
403	{
404	signal (sig, SIG_DFL);
405	#ifdef DEBUG_CMD
406	rxvt_print_error ("signal %d", sig);
407	#endif
408	rxvt_clean_exit ();
409	kill (getpid (), sig);
410	}
411
412	/* INTPROTO */
413	int
414	rxvt_xerror_handler (Display *display, XErrorEvent *event)
415	{
416	if (GET_R->allowedxerror == -1)
417	GET_R->allowedxerror = event->error_code;
418	else
419	{
420	old_xerror_handler (display, event);
421	GET_R->destroy ();
422	}
423
424	return 0;
425	}	352	}
426		353
427	/*----------------------------------------------------------------------*/	354	/*----------------------------------------------------------------------*/
428	/*	355	/*
429	* Exit gracefully, clearing the utmp entry and restoring tty attributes	356	* Exit gracefully, clearing the utmp entry and restoring tty attributes
430	* TODO: if debugging, this should free up any known resources if we can	357	* TODO: if debugging, this should free up any known resources if we can
431	*/	358	*/
432	/* EXTPROTO */	359	static XErrorHandler old_xerror_handler;
		360
		361	static void
		362	rxvt_emergency_cleanup ()
		363	{
		364	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		365	(*t)->emergency_cleanup ();
		366	}
		367
		368	#if ENABLE_FRILLS
		369	static void
		370	print_x_error (Display *dpy, XErrorEvent *event)
		371	{
		372	char buffer[BUFSIZ];
		373	char mesg[BUFSIZ];
		374	char number[32];
		375	char *mtype = "XlibMessage";
		376	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		377	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		378	rxvt_warn ("An X Error occured, trying to continue after report.\n");
		379	rxvt_warn ("%s: %s\n", mesg, buffer);
		380	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		381	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		382	sprintf(number, "%d", event->request_code);
		383	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		384	rxvt_warn ("(which is %s)\n", buffer);
		385	if (event->request_code >= 128) {
		386	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		387	mesg, BUFSIZ);
		388	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		389	}
		390	if ((event->error_code == BadWindow) ||
		391	(event->error_code == BadPixmap) ||
		392	(event->error_code == BadCursor) ||
		393	(event->error_code == BadFont) ||
		394	(event->error_code == BadDrawable) ||
		395	(event->error_code == BadColor) ||
		396	(event->error_code == BadGC) ||
		397	(event->error_code == BadIDChoice) ||
		398	(event->error_code == BadValue) ||
		399	(event->error_code == BadAtom)) {
		400	if (event->error_code == BadValue)
		401	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		402	mesg, BUFSIZ);
		403	else if (event->error_code == BadAtom)
		404	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		405	mesg, BUFSIZ);
		406	else
		407	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		408	mesg, BUFSIZ);
		409	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		410	}
		411	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		412	mesg, BUFSIZ);
		413	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		414	}
		415	#endif
		416
		417	int
		418	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		419	{
		420	if (GET_R->allowedxerror == -1)
		421	GET_R->allowedxerror = event->error_code;
		422	else
		423	{
		424	// GET_R is most likely not the terminal which caused the error,
		425	// so just output the error and continue
		426	#if ENABLE_FRILLS
		427	print_x_error (display, event);
		428	#else
		429	old_xerror_handler (display, event);
		430	#endif
		431	}
		432
		433	return 0;
		434	}
		435
		436	int
		437	rxvt_xioerror_handler (Display *display)
		438	{
		439	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		440	DisplayString (display));
		441	rxvt_emergency_cleanup ();
		442	_exit (EXIT_FAILURE);
		443	}
		444
		445	/*----------------------------------------------------------------------*/
		446	bool
		447	rxvt_term::init (int argc, const char *const *argv)
		448	{
		449	SET_R (this);
		450	set_locale ("");
		451	set_environ (envv); // few things in X do not call setlocale :(
		452
		453	if (!init_vars ())
		454	return false;
		455
		456	init_secondary ();
		457
		458	const char **cmd_argv = init_resources (argc, argv);
		459
		460	#ifdef KEYSYM_RESOURCE
		461	keyboard->register_done ();
		462	#endif
		463
		464	#ifdef HAVE_SCROLLBARS
		465	if (OPTION (Opt_scrollBar))
		466	scrollBar.setIdle (); /* set existence for size calculations */
		467	#endif
		468
		469	#if ENABLE_PERL
		470	if (!rs[Rs_perl_ext_1])
		471	rs[Rs_perl_ext_1] = "default";
		472
		473	if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
		474	|| (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
		475	|| (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
		476	{
		477	rxvt_perl.init (this);
		478	HOOK_INVOKE ((this, HOOK_INIT, DT_END));
		479	}
		480	#endif
		481
		482	pty = rxvt_new_ptytty ();
		483
		484	create_windows (argc, argv);
		485
		486	dDisp;
		487
		488	init_xlocale ();
		489
		490	scr_reset (); // initialize screen
		491
		492	#if 0
		493	XSynchronize (disp, True);
		494	#endif
		495
		496	#ifdef HAVE_SCROLLBARS
		497	if (OPTION (Opt_scrollBar))
		498	resize_scrollbar (); /* create and map scrollbar */
		499	#endif
		500	#ifdef TRANSPARENT
		501	if (OPTION (Opt_transparent))
		502	{
		503	XSelectInput (disp, display->root, PropertyChangeMask);
		504	check_our_parents ();
		505	rootwin_ev.start (display, display->root);
		506	}
		507	#endif
		508
		509	XMapWindow (disp, vt);
		510	XMapWindow (disp, parent[0]);
		511
		512	set_colorfgbg ();
		513
		514	init_command (cmd_argv);
		515
		516	free (cmd_argv);
		517
		518	if (pty->pty >= 0)
		519	pty_ev.start (pty->pty, EVENT_READ);
		520
		521	check_ev.start ();
		522
		523	HOOK_INVOKE ((this, HOOK_START, DT_END));
		524
		525	return true;
		526	}
		527
		528	static struct sig_handlers
		529	{
		530	sig_watcher sw_chld, sw_term, sw_int;
		531
		532	void sig_chld (sig_watcher &w)
		533	{
		534	// we are being called for every SIGCHLD, find the corresponding term
		535	int pid;
		536
		537	while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
		538	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		539	if (pid == (*t)->cmd_pid)
		540	{
		541	(*t)->child_exit ();
		542	break;
		543	}
		544	}
		545
		546	/*
		547	* Catch a fatal signal and tidy up before quitting
		548	*/
433	void	549	void
434	rxvt_clean_exit ()	550	sig_term (sig_watcher &w)
		551	{
		552	#ifdef DEBUG_CMD
		553	rxvt_warn ("caught signal %d, exiting.\n", w.signum);
		554	#endif
		555	rxvt_emergency_cleanup ();
		556	signal (w.signum, SIG_DFL);
		557	kill (getpid (), w.signum);
		558	}
		559
		560	sig_handlers ()
		561	: sw_chld (this, &sig_handlers::sig_chld),
		562	sw_term (this, &sig_handlers::sig_term),
		563	sw_int (this, &sig_handlers::sig_term)
		564	{
		565	}
		566	} sig_handlers;
		567
		568	char **rxvt_environ; // startup environment
		569
		570	void
		571	rxvt_init ()
435	{	572	{
436	// TODO: rxvtd should clean up all ressources	573	uid_t uid = getuid ();
437	if (GET_R)	574	gid_t gid = getgid ();
438	GET_R->destroy ();	575
		576	// before doing anything else, check for setuid/setgid operation,
		577	// start the helper process and drop privileges
		578	if (uid != geteuid ()
		579	|| 1 //D
		580	|| gid != getegid ())
		581	{
		582	#if PTYTTY_HELPER
		583	rxvt_ptytty_server ();
		584	#else
		585	rxvt_warn ("running setuid/setgid without pty helper compiled in, continuing unprivileged.\n");
		586	#endif
		587
		588	// drop privileges
		589	#if HAVE_SETRESUID
		590	setresgid (gid, gid, gid);
		591	setresuid (uid, uid, uid);
		592	#elif HAVE_SETREUID
		593	setregid (gid, gid);
		594	setreuid (uid, uid);
		595	#elif HAVE_SETUID
		596	setgid (gid);
		597	setuid (uid);
		598	#endif
		599
		600	if (uid != geteuid ()
		601	|| gid != getegid ())
		602	rxvt_fatal ("unable to drop privileges, aborting.\n");
		603	}
		604
		605	rxvt_environ = environ;
		606
		607	signal (SIGHUP, SIG_IGN);
		608	signal (SIGPIPE, SIG_IGN);
		609
		610	sig_handlers.sw_chld.start (SIGCHLD);
		611	sig_handlers.sw_term.start (SIGTERM);
		612	sig_handlers.sw_int.start (SIGINT);
		613
		614	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		615	/* signal (SIGURG, SIG_DFL); */
		616
		617	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		618	// TODO: handle this with exceptions and tolerate the memory loss
		619	XSetIOErrorHandler (rxvt_xioerror_handler);
		620
		621	XrmInitialize ();
439	}	622	}
440		623
441	/* ------------------------------------------------------------------------- *	624	/* ------------------------------------------------------------------------- *
442	* MEMORY ALLOCATION WRAPPERS *	625	* MEMORY ALLOCATION WRAPPERS *
443	* ------------------------------------------------------------------------- */	626	* ------------------------------------------------------------------------- */
444	/* EXTPROTO */	627	void *
445	void *
446	rxvt_malloc (size_t size)	628	rxvt_malloc (size_t size)
447	{	629	{
448	void *p;
449
450	p = malloc (size);	630	void *p = malloc (size);
		631
451	if (p)	632	if (!p)
		633	rxvt_fatal ("memory allocation failure. aborting.\n");
		634
452	return p;	635	return p;
453
454	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");
455	rxvt_clean_exit ();
456	exit (EXIT_FAILURE);
457	/* NOTREACHED */
458	}	636	}
459		637
460	/* EXTPROTO */	638	void *
461	void *
462	rxvt_calloc (size_t number, size_t size)	639	rxvt_calloc (size_t number, size_t size)
463	{	640	{
464	void *p;
465
466	p = calloc (number, size);	641	void *p = calloc (number, size);
		642
467	if (p)	643	if (!p)
		644	rxvt_fatal ("memory allocation failure. aborting.\n");
		645
468	return p;	646	return p;
469
470	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");
471	rxvt_clean_exit ();
472	exit (EXIT_FAILURE);
473	/* NOTREACHED */
474	}	647	}
475		648
476	/* EXTPROTO */
477	void *	649	void *
478	rxvt_realloc (void *ptr, size_t size)	650	rxvt_realloc (void *ptr, size_t size)
479	{	651	{
480	void *p;
481
482	if (ptr)
483	p = realloc (ptr, size);	652	void *p = realloc (ptr, size);
484	else	653
485	p = malloc (size);
486	if (p)	654	if (!p)
		655	rxvt_fatal ("memory allocation failure. aborting.\n");
		656
487	return p;	657	return p;
488
489	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");
490	rxvt_clean_exit ();
491	exit (EXIT_FAILURE);
492	/* NOTREACHED */
493	}	658	}
494
495	/* ------------------------------------------------------------------------- *
496	* PRIVILEGED OPERATIONS *
497	* ------------------------------------------------------------------------- */
498	/* take care of suid/sgid super-user (root) privileges */
499	void
500	rxvt_term::privileges (int mode)
501	{
502	#if ! defined(__CYGWIN32__)
503	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
504	/* setreuid () is the poor man's setuid (), seteuid () */
505	# define seteuid(a) setreuid(-1, (a))
506	# define setegid(a) setregid(-1, (a))
507	# define HAVE_SETEUID
508	# endif
509	# ifdef HAVE_SETEUID
510	switch (mode)
511	{
512	case IGNORE:
513	/*
514	* change effective uid/gid - not real uid/gid - so we can switch
515	* back to root later, as required
516	*/
517	seteuid (getuid ());
518	setegid (getgid ());
519	break;
520	case SAVE:
521	euid = geteuid ();
522	egid = getegid ();
523	break;
524	case RESTORE:
525	seteuid (euid);
526	setegid (egid);
527	break;
528	}
529	# else
530	switch (mode)
531	{
532	case IGNORE:
533	setuid (getuid ());
534	setgid (getgid ());
535	/* FALLTHROUGH */
536	case SAVE:
537	/* FALLTHROUGH */
538	case RESTORE:
539	break;
540	}
541	# endif
542	#endif
543	}
544
545	#ifdef UTMP_SUPPORT
546	void
547	rxvt_term::privileged_utmp (char action)
548	{
549	D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)",
550	action, next_utmp_action, getpid ()));
551	if (next_utmp_action != action || (action != SAVE && action != RESTORE)
552	|| (Options & Opt_utmpInhibit)
553	|| ttydev == NULL || *ttydev == '\0')
554	return;
555
556	privileges (RESTORE);
557	if (action == SAVE)
558	{
559	next_utmp_action = RESTORE;
560	makeutent (ttydev, rs[Rs_display_name]);
561	}
562	else
563	{ /* action == RESTORE */
564	next_utmp_action = IGNORE;
565	cleanutent ();
566	}
567	privileges (IGNORE);
568	}
569	#endif
570
571	#ifndef NO_SETOWNER_TTYDEV
572	void
573	rxvt_term::privileged_ttydev (char action)
574	{
575	D_MAIN ((stderr,
576	"privileged_ttydev (%c); waiting for: %c (pid: %d)",
577	action, next_tty_action, getpid ()));
578	if (next_tty_action != action || (action != SAVE && action != RESTORE)
579	|| ttydev == NULL || *ttydev == '\0')
580	return;
581
582	privileges (RESTORE);
583
584	if (action == SAVE)
585	{
586	next_tty_action = RESTORE;
587	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
588	/* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */
589	if (lstat (ttydev, &ttyfd_stat) < 0) /* you lose out */
590	next_tty_action = IGNORE;
591	else
592	# endif
593
594	{
595	chown (ttydev, getuid (), ttygid); /* fail silently */
596	chmod (ttydev, ttymode);
597	# ifdef HAVE_REVOKE
598	revoke (ttydev);
599	# endif
600
601	}
602	}
603	else
604	{ /* action == RESTORE */
605	next_tty_action = IGNORE;
606	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
607	chmod (ttydev, ttyfd_stat.st_mode);
608	chown (ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
609	# else
610	chmod (ttydev,
611	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
612	chown (ttydev, 0, 0);
613	# endif
614
615	}
616
617	privileges (IGNORE);
618
619	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
620	D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
621	action == RESTORE ? "Restoring" : (action ==
622	SAVE ? "Saving" :
623	"UNKNOWN ERROR for"), ttydev,
624	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
625	ttyfd_stat.st_gid));
626	# endif
627	}
628	#endif
629		659
630	/*----------------------------------------------------------------------*/	660	/*----------------------------------------------------------------------*/
631	/*	661	/*
632	* window size/position calculcations for XSizeHint and other storage.	662	* window size/position calculcations for XSizeHint and other storage.
633	* if width/height are non-zero then override calculated width/height	663	* if width/height are non-zero then override calculated width/height
634	*/	664	*/
635	void	665	void
636	rxvt_term::window_calc (unsigned int width, unsigned int height)	666	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
637	{	667	{
638	short recalc_x, recalc_y;	668	short recalc_x, recalc_y;
639	int x, y, sb_w, mb_h, flags;	669	int x, y, sb_w, flags;
640	unsigned int w, h;	670	unsigned int w, h;
641	unsigned int max_width, max_height;	671	unsigned int max_width, max_height;
		672	dDisp;
642		673
643	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	674	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
644	TermWin.ncol, TermWin.nrow, szHint.width,	675	ncol, nrow, szHint.width, szHint.height));
645	szHint.height));	676
646	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	677	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
647	szHint.win_gravity = NorthWestGravity;	678	szHint.win_gravity = NorthWestGravity;
648	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	679	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
649		680
650	recalc_x = recalc_y = 0;	681	recalc_x = recalc_y = 0;
651	flags = 0;	682	flags = 0;
		683
652	if (!parsed_geometry)	684	if (!parsed_geometry)
653	{	685	{
654	parsed_geometry = 1;	686	parsed_geometry = 1;
		687
655	if (rs[Rs_geometry])	688	if (rs[Rs_geometry])
656	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);	689	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		690
657	if (flags & WidthValue)	691	if (flags & WidthValue)
658	{	692	{
659	TermWin.ncol = BOUND_POSITIVE_INT16 (w);	693	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
660	szHint.flags |= USSize;	694	szHint.flags |= USSize;
661	}	695	}
		696
662	if (flags & HeightValue)	697	if (flags & HeightValue)
663	{	698	{
664	TermWin.nrow = BOUND_POSITIVE_INT16 (h);	699	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
665	szHint.flags |= USSize;	700	szHint.flags |= USSize;
666	}	701	}
		702
667	if (flags & XValue)	703	if (flags & XValue)
668	{	704	{
669	szHint.x = x;	705	szHint.x = x;
670	szHint.flags |= USPosition;	706	szHint.flags |= USPosition;
		707
671	if (flags & XNegative)	708	if (flags & XNegative)
672	{	709	{
673	recalc_x = 1;	710	recalc_x = 1;
674	szHint.win_gravity = NorthEastGravity;	711	szHint.win_gravity = NorthEastGravity;
675	}	712	}
676	}	713	}
		714
677	if (flags & YValue)	715	if (flags & YValue)
678	{	716	{
679	szHint.y = y;	717	szHint.y = y;
680	szHint.flags |= USPosition;	718	szHint.flags |= USPosition;
		719
681	if (flags & YNegative)	720	if (flags & YNegative)
682	{	721	{
683	recalc_y = 1;	722	recalc_y = 1;
		723
684	if (szHint.win_gravity == NorthEastGravity)	724	if (szHint.win_gravity == NorthEastGravity)
685	szHint.win_gravity = SouthEastGravity;	725	szHint.win_gravity = SouthEastGravity;
686	else	726	else
687	szHint.win_gravity = SouthWestGravity;	727	szHint.win_gravity = SouthWestGravity;
688	}	728	}
689	}	729	}
690	}	730	}
691		731
692	/* TODO: BOUNDS */	732	/* TODO: BOUNDS */
693	TermWin.width = TermWin.ncol * TermWin.fwidth;	733	width = ncol * fwidth;
694	TermWin.height = TermWin.nrow * TermWin.fheight;	734	height = nrow * fheight;
695	max_width = MAX_COLS * TermWin.fwidth;	735	max_width = MAX_COLS * fwidth;
696	max_height = MAX_ROWS * TermWin.fheight;	736	max_height = MAX_ROWS * fheight;
697		737
698	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	738	szHint.base_width = szHint.base_height = 2 * int_bwidth;
699		739
700	sb_w = mb_h = 0;	740	sb_w = 0;
701	window_vt_x = window_vt_y = 0;	741	window_vt_x = window_vt_y = int_bwidth;
702	if (scrollbar_visible ())	742
		743	if (scrollBar.state)
703	{	744	{
704	sb_w = scrollbar_TotalWidth ();	745	sb_w = scrollbar_TotalWidth ();
705	szHint.base_width += sb_w;	746	szHint.base_width += sb_w;
706	if (! (Options & Opt_scrollBar_right))	747	if (!OPTION (Opt_scrollBar_right))
707	window_vt_x = sb_w;	748	window_vt_x += sb_w;
708	}
709	if (menubar_visible ())
710	{	749	}
711	mb_h = menuBar_TotalHeight ();	750
712	szHint.base_height += mb_h;
713	window_vt_y = mb_h;
714	}
715	szHint.width_inc = TermWin.fwidth;	751	szHint.width_inc = fwidth;
716	szHint.height_inc = TermWin.fheight;	752	szHint.height_inc = fheight;
717	szHint.min_width = szHint.base_width + szHint.width_inc;	753	szHint.min_width = szHint.base_width + szHint.width_inc;
718	szHint.min_height = szHint.base_height + szHint.height_inc;	754	szHint.min_height = szHint.base_height + szHint.height_inc;
719		755
720	if (width && width - szHint.base_width < max_width)	756	if (newwidth && newwidth - szHint.base_width < max_width)
721	{	757	{
722	szHint.width = width;	758	szHint.width = newwidth;
723	TermWin.width = width - szHint.base_width;	759	width = newwidth - szHint.base_width;
724	}	760	}
725	else	761	else
726	{	762	{
727	MIN_IT (TermWin.width, max_width);	763	min_it (width, max_width);
728	szHint.width = szHint.base_width + TermWin.width;	764	szHint.width = szHint.base_width + width;
729	}	765	}
		766
730	if (height && height - szHint.base_height < max_height)	767	if (newheight && newheight - szHint.base_height < max_height)
731	{	768	{
732	szHint.height = height;	769	szHint.height = newheight;
733	TermWin.height = height - szHint.base_height;	770	height = newheight - szHint.base_height;
734	}	771	}
735	else	772	else
736	{	773	{
737	MIN_IT (TermWin.height, max_height);	774	min_it (height, max_height);
738	szHint.height = szHint.base_height + TermWin.height;	775	szHint.height = szHint.base_height + height;
739	}	776	}
740	if (scrollbar_visible () && (Options & Opt_scrollBar_right))	777
		778	if (scrollBar.state && OPTION (Opt_scrollBar_right))
741	window_sb_x = szHint.width - sb_w;	779	window_sb_x = szHint.width - sb_w;
742		780
743	if (recalc_x)	781	if (recalc_x)
744	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	782	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
745	- szHint.width - 2 * TermWin.ext_bwidth);
746	if (recalc_y)	783	if (recalc_y)
747	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	784	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
748	- szHint.height - 2 * TermWin.ext_bwidth);
749		785
750	TermWin.ncol = TermWin.width / TermWin.fwidth;	786	ncol = width / fwidth;
751	TermWin.nrow = TermWin.height / TermWin.fheight;	787	nrow = height / fheight;
752	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	788	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
753	TermWin.ncol, TermWin.nrow, szHint.width,	789	ncol, nrow, szHint.width,
754	szHint.height));	790	szHint.height));
755	return;	791	return;
756	}	792	}
757		793
758	/*----------------------------------------------------------------------*/	794	/*----------------------------------------------------------------------*/
…		…
761	* Called after a window size change.	797	* Called after a window size change.
762	*/	798	*/
763	void	799	void
764	rxvt_term::tt_winch ()	800	rxvt_term::tt_winch ()
765	{	801	{
		802	if (pty->pty < 0)
		803	return;
		804
766	struct winsize ws;	805	struct winsize ws;
767		806
768	if (cmd_fd < 0)
769	return;
770
771	ws.ws_col = TermWin.ncol;	807	ws.ws_col = ncol;
772	ws.ws_row = TermWin.nrow;	808	ws.ws_row = nrow;
773	ws.ws_xpixel = ws.ws_ypixel = 0;	809	ws.ws_xpixel = width;
774	#ifndef DEBUG_SIZE	810	ws.ws_ypixel = height;
775	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	811	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
776	#else	812
777	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	813	#if 0
778	D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	814	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
779	# ifdef SIGWINCH
780	else if (cmd_pid) /* force through to the command */	815	if (cmd_pid) /* force through to the command */
781	kill (cmd_pid, SIGWINCH);	816	kill (-cmd_pid, SIGWINCH);
782	# endif
783	#endif	817	#endif
784	}	818	}
785		819
786	/*----------------------------------------------------------------------*/	820	/*----------------------------------------------------------------------*/
787	/* rxvt_change_font () - Switch to a new font */	821	/* set_fonts () - load and set the various fonts
788	/*	822	*
789	* init = 1 - initialize	823	* init = 1 - initialize
790	*	824	*
791	* fontname == FONT_UP - switch to bigger font	825	* fontname == FONT_UP - switch to bigger font
792	* fontname == FONT_DN - switch to smaller font	826	* fontname == FONT_DN - switch to smaller font
793	*/	827	*/
794	bool	828	bool
795	rxvt_term::change_font (const char *fontname)	829	rxvt_term::set_fonts ()
796	{	830	{
797	if (fontname == FONT_UP)
798	{
799	// TODO
800	}
801	else if (fontname == FONT_DN)
802	{
803	// TODO
804	}
805	else
806	{
807	rxvt_fontset *fs = new rxvt_fontset (this);	831	rxvt_fontset *fs = new rxvt_fontset (this);
		832	rxvt_fontprop prop;
808		833
809	if (fs && fs->populate (fontname ? fontname : "fixed"))	834	if (!fs
		835	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		836	|| !fs->realize_font (1))
		837	{
		838	delete fs;
		839	return false;
		840	}
		841
		842	#if ENABLE_STYLES
		843	for (int i = RS_styleCount; --i; )
		844	if (fontset[i] != fontset[0])
		845	delete fontset[i];
		846	#endif
		847
		848	delete fontset[0];
		849	fontset[0] = fs;
		850
		851	prop = (*fs)[1]->properties ();
		852	prop.height += lineSpace;
		853	fs->set_prop (prop);
		854
		855	fwidth = prop.width;
		856	fheight = prop.height;
		857	fbase = prop.ascent;
		858
		859	for (int style = 1; style < 4; style++)
		860	{
		861	#if ENABLE_STYLES
		862	const char *res = rs[Rs_font + style];
		863
		864	if (res && !*res)
		865	fontset[style] = fontset[0];
		866	else
810	{	867	{
811	delete TermWin.fontset;	868	fontset[style] = fs = new rxvt_fontset (this);
812	TermWin.fontset = fs;	869	rxvt_fontprop prop2 = prop;
813	TermWin.fwidth = fs->base_font ()->width;
814	TermWin.fheight = fs->base_font ()->height;
815	TermWin.fbase = fs->base_font ()->ascent;
816		870
817	if (TermWin.parent[0])	871	if (res)
		872	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		873	else
818	{	874	{
819	resize_all_windows (0, 0, 0);	875	res = fontset[0]->fontdesc;
820	scr_remap_chars ();	876
821	scr_touch (true);	877	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		878	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
822	}	879	}
823		880
824	return true;	881	fs->populate (res);
		882	fs->set_prop (prop2);
825	}	883	}
		884	#else
		885	fontset[style] = fontset[0];
		886	#endif
		887	}
		888
		889	if (parent[0])
826	}	890	{
		891	resize_all_windows (0, 0, 0);
		892	scr_remap_chars ();
		893	scr_touch (true);
		894	}
827		895
828	return false;	896	return true;
829	}	897	}
830		898
831	bool	899	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
832	rxvt_term::font_up_down (int n, int direction)
833	{	900	{
834	return false;	901	XChangeProperty (display->display, parent[0],
		902	prop, XA_STRING, 8, PropModeReplace,
		903	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		904	}
		905
		906	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		907	{
		908	wchar_t *ws = rxvt_mbstowcs (str, len);
		909	char *s = rxvt_wcstoutf8 (ws);
		910
		911	XChangeProperty (display->display, parent[0],
		912	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		913	(const unsigned char *)s, strlen (s));
		914
		915	free (s);
		916	free (ws);
835	}	917	}
836		918
837	/*----------------------------------------------------------------------*/	919	/*----------------------------------------------------------------------*/
838	/*----------------------------------------------------------------------*/	920	/*----------------------------------------------------------------------*/
839	/* xterm sequences - title, iconName, color (exptl) */	921	/* xterm sequences - title, iconName, color (exptl) */
840	void	922	void
841	rxvt_term::set_title (const char *str)	923	rxvt_term::set_title (const char *str)
842	{	924	{
843	#ifndef SMART_WINDOW_TITLE	925	set_string_property (XA_WM_NAME, str);
844	XStoreName (display->display, TermWin.parent[0], str);	926	#if ENABLE_EWMH
845	#else	927	set_utf8_property (xa[XA_NET_WM_NAME], str);
846	char *name;
847
848	if (XFetchName (display->display, TermWin.parent[0], &name) == 0)
849	name = NULL;
850	if (name == NULL || STRCMP (name, str))
851	XStoreName (display->display, TermWin.parent[0], str);
852	if (name)
853	XFree (name);
854	#endif	928	#endif
855	}	929	}
856		930
857	void	931	void
858	rxvt_term::set_iconName (const char *str)	932	rxvt_term::set_icon_name (const char *str)
859	{	933	{
860	#ifndef SMART_WINDOW_TITLE	934	set_string_property (XA_WM_ICON_NAME, str);
861	XSetIconName (display->display, TermWin.parent[0], str);	935	#if ENABLE_EWMH
862	#else	936	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
863	char *name;
864
865	if (XGetIconName (display->display, TermWin.parent[0], &name))
866	name = NULL;
867	if (name == NULL || STRCMP (name, str))
868	XSetIconName (display->display, TermWin.parent[0], str);
869	if (name)
870	XFree (name);
871	#endif	937	#endif
872	}	938	}
873		939
874	#ifdef XTERM_COLOR_CHANGE	940	#ifdef XTERM_COLOR_CHANGE
875	void	941	void
…		…
883		949
884	/* handle color aliases */	950	/* handle color aliases */
885	if (isdigit (*color))	951	if (isdigit (*color))
886	{	952	{
887	i = atoi (color);	953	i = atoi (color);
		954
888	if (i >= 8 && i <= 15)	955	if (i >= 8 && i <= 15)
889	{ /* bright colors */	956	{ /* bright colors */
890	i -= 8;	957	i -= 8;
891	# ifndef NO_BRIGHTCOLOR
892	PixColors[idx] = PixColors[minBrightCOLOR + i];	958	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
893	SET_PIXCOLOR (idx);	959	SET_PIXCOLOR (idx);
894	goto Done;	960	goto done;
895	# endif
896
897	}	961	}
		962
898	if (i >= 0 && i <= 7)	963	if (i >= 0 && i <= 7)
899	{ /* normal colors */	964	{ /* normal colors */
900	PixColors[idx] = PixColors[minCOLOR + i];	965	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
901	SET_PIXCOLOR (idx);	966	SET_PIXCOLOR (idx);
902	goto Done;	967	goto done;
903	}	968	}
904	}	969	}
		970
905	if (!rXParseAllocColor (& xcol, color))	971	if (!rXParseAllocColor (&xcol, color))
906	return;	972	return;
		973
907	/* XStoreColor (display->display, XCMAP, XColor*); */	974	/* XStoreColor (display->display, display->cmap, XColor*); */
908		975
909	/*	976	/*
910	* FIXME: should free colors here, but no idea how to do it so instead,	977	* FIXME: should free colors here, but no idea how to do it so instead,
911	* so just keep gobbling up the colormap	978	* so just keep gobbling up the colormap
912	*/	979	*/
913	# if 0	980	# if 0
914	for (i = Color_Black; i <= Color_White; i++)	981	for (i = Color_Black; i <= Color_White; i++)
915	if (PixColors[idx] == PixColors[i])	982	if (pix_colors[idx] == pix_colors[i])
916	break;	983	break;
917	if (i > Color_White)	984	if (i > Color_White)
918	{	985	{
919	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */	986	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
920	XFreeColors (display->display, XCMAP, (PixColors + idx), 1,	987	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
921	DisplayPlanes (display->display, display->screen));	988	DisplayPlanes (display->display, display->screen));
922	}	989	}
923	# endif	990	# endif
924		991
925	PixColors[idx] = xcol;	992	pix_colors_focused[idx] = xcol;
926	SET_PIXCOLOR (idx);	993	SET_PIXCOLOR (idx);
927		994
928	/* XSetWindowAttributes attr; */	995	/* XSetWindowAttributes attr; */
929	/* Cursor cursor; */	996	/* Cursor cursor; */
930	Done:	997	done:
931	if (idx == Color_bg && ! (Options & Opt_transparent))
932	XSetWindowBackground (display->display, TermWin.vt,
933	PixColors[Color_bg]);
934		998
		999	#if OFF_FOCUS_FADING
		1000	if (rs[Rs_fade])
		1001	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
		1002	#endif
		1003
935	/* handle Color_BD, scrollbar background, etc. */	1004	/*TODO: handle Color_BD, scrollbar background, etc. */
936		1005
937	set_colorfgbg ();
938	recolour_cursor ();	1006	recolour_cursor ();
939	/* the only reasonable way to enforce a clean update */	1007	scr_recolour ();
940	scr_poweron ();
941	}	1008	}
942		1009
943	#else	1010	#else
944	# define set_window_color (idx,color) ((void)0)	1011	# define set_window_color (idx,color) ((void)0)
945	#endif /* XTERM_COLOR_CHANGE */	1012	#endif /* XTERM_COLOR_CHANGE */
946		1013
947	void	1014	void
948	rxvt_term::recolour_cursor ()	1015	rxvt_term::recolour_cursor ()
949	{	1016	{
950	#if TODO
951	rxvt_color xcol[2];	1017	XColor xcol[2];
952		1018
953	xcol[0] = PixColors[Color_pointer];	1019	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
954	xcol[1] = PixColors[Color_bg];	1020	? pix_colors_focused[Color_pointer_fg]
		1021	: pix_colors_focused[Color_fg];
		1022	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		1023	? pix_colors_focused[Color_pointer_bg]
		1024	: pix_colors_focused[Color_bg];
		1025
955	XQueryColors (display->display, XCMAP, xcol, 2);	1026	XQueryColors (display->display, display->cmap, xcol, 2);
956	XRecolorCursor (display->display, TermWin_cursor, & (xcol[0]), & (xcol[1]));	1027	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
957	#endif
958	}	1028	}
959		1029
960	/*----------------------------------------------------------------------*/	1030	/*----------------------------------------------------------------------*/
961	/*	1031	/*
962	* find if fg/bg matches any of the normal (low-intensity) colors	1032	* find if fg/bg matches any of the normal (low-intensity) colors
963	*/	1033	*/
964	void	1034	void
965	rxvt_term::set_colorfgbg ()	1035	rxvt_term::set_colorfgbg ()
966	{	1036	{
967	unsigned int i;	1037	unsigned int i;
968	const char *xpmb = "\0";	1038	const char *xpmb = "\0";
969	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];	1039	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
970		1040
971	env_colorfgbg =
972	(char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);	1041	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
973	STRCPY (fstr, "default");	1042	strcpy (fstr, "default");
974	STRCPY (bstr, "default");	1043	strcpy (bstr, "default");
975	for (i = Color_Black; i <= Color_White; i++)	1044	for (i = Color_Black; i <= Color_White; i++)
976	if (PixColors[Color_fg] == PixColors[i])	1045	if (pix_colors[Color_fg] == pix_colors[i])
977	{	1046	{
978	sprintf (fstr, "%d", (i - Color_Black));	1047	sprintf (fstr, "%d", (i - Color_Black));
979	break;	1048	break;
980	}	1049	}
		1050
981	for (i = Color_Black; i <= Color_White; i++)	1051	for (i = Color_Black; i <= Color_White; i++)
982	if (PixColors[Color_bg] == PixColors[i])	1052	if (pix_colors[Color_bg] == pix_colors[i])
983	{	1053	{
984	sprintf (bstr, "%d", (i - Color_Black));	1054	sprintf (bstr, "%d", (i - Color_Black));
985	#ifdef XPM_BACKGROUND	1055	#ifdef XPM_BACKGROUND
986	xpmb = "default;";	1056	xpmb = "default;";
987	#endif	1057	#endif
988	break;	1058	break;
989	}	1059	}
990		1060
991	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1061	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
992
993	#ifndef NO_BRIGHTCOLOR
994	colorfgbg = DEFAULT_RSTYLE;
995	for (i = minCOLOR; i <= maxCOLOR; i++)
996	{
997	if (PixColors[Color_fg] == PixColors[i])
998	colorfgbg = SET_FGCOLOR (colorfgbg, i);
999	if (PixColors[Color_bg] == PixColors[i])
1000	colorfgbg = SET_BGCOLOR (colorfgbg, i);
1001	}
1002	#endif
1003	}	1062	}
1004		1063
1005	/*----------------------------------------------------------------------*/	1064	/*----------------------------------------------------------------------*/
1006	/*
1007	* Colour determination for low colour displays, routine from
1008	* Hans de Goede <hans@highrise.nl>
1009	*/
1010		1065
1011	int	1066	int
1012	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	1067	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
1013	{	1068	{
1014	if (!screen_in_out->set (display, colour))	1069	if (!screen_in_out->set (display, colour))
1015	{	1070	{
1016	rxvt_print_error ("can't allocate colour: %s", colour);	1071	rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
1017	return false;	1072	return false;
1018	}	1073	}
1019		1074
1020	return true;	1075	return true;
1021	}	1076	}
1022		1077
1023	/* -------------------------------------------------------------------- *	1078	/* -------------------------------------------------------------------- *
1024	* - WINDOW RESIZING - *	1079	* - WINDOW RESIZING - *
1025	* -------------------------------------------------------------------- */	1080	* -------------------------------------------------------------------- */
1026	void	1081	void
1027	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	1082	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1028	{	1083	{
1029	int fix_screen;	1084	int fix_screen;
1030
1031	#ifdef SMART_RESIZE
1032	int old_width = szHint.width, old_height = szHint.height;	1085	int old_width = szHint.width, old_height = szHint.height;
1033	#endif	1086	dDisp;
1034		1087
1035	window_calc (width, height);	1088	window_calc (newwidth, newheight);
1036	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	1089	XSetWMNormalHints (disp, parent[0], &szHint);
		1090
1037	if (!ignoreparent)	1091	if (!ignoreparent)
1038	{	1092	{
1039	#ifdef SMART_RESIZE	1093	#ifdef SMART_RESIZE
1040	/*	1094	/*
1041	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1095	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
1044	int x, y, x1, y1;	1098	int x, y, x1, y1;
1045	int dx, dy;	1099	int dx, dy;
1046	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1100	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1047	Window unused_cr;	1101	Window unused_cr;
1048		1102
1049	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	1103	XTranslateCoordinates (disp, parent[0], display->root,
1050	0, 0, &x, &y, &unused_cr);	1104	0, 0, &x, &y, &unused_cr);
1051	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	1105	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
1052	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1106	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
1053	/*	1107	/*
1054	* if display->root isn't the parent window, a WM will probably have offset	1108	* if display->root isn't the parent window, a WM will probably have offset
1055	* our position for handles and decorations. Counter it	1109	* our position for handles and decorations. Counter it
1056	*/	1110	*/
…		…
1058	{	1112	{
1059	x -= x1;	1113	x -= x1;
1060	y -= y1;	1114	y -= y1;
1061	}	1115	}
1062		1116
1063	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	1117	x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
1064	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	1118	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
1065	dx = old_width - szHint.width;	1119	dx = old_width - szHint.width;
1066	dy = old_height - szHint.height;	1120	dy = old_height - szHint.height;
1067		1121
1068	/* Check position of the center of the window */	1122	/* Check position of the center of the window */
1069	if (x < x1) /* left half */	1123	if (x < x1) /* left half */
…		…
1073	if (y < y1) /* top half */	1127	if (y < y1) /* top half */
1074	dy = 0;	1128	dy = 0;
1075	else if (y == y1) /* exact center */	1129	else if (y == y1) /* exact center */
1076	dy /= 2;	1130	dy /= 2;
1077		1131
1078	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	1132	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
1079	szHint.width, szHint.height);	1133	szHint.width, szHint.height);
1080	#else	1134	#else
1081	XResizeWindow (display->display, TermWin.parent[0], szHint.width,	1135	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
1082	szHint.height);
1083	#endif	1136	#endif
1084
1085	}	1137	}
1086		1138
1087	fix_screen = (TermWin.ncol != prev_ncol	1139	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1088	|| TermWin.nrow != prev_nrow);
1089		1140
1090	if (fix_screen || width != old_width || height != old_height)	1141	if (fix_screen || newwidth != old_width || newheight != old_height)
1091	{	1142	{
1092	if (scrollbar_visible ())	1143	if (scrollBar.state)
1093	{	1144	{
1094	XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,	1145	XMoveResizeWindow (disp, scrollBar.win,
		1146	window_sb_x, 0,
1095	0, scrollbar_TotalWidth (), szHint.height);	1147	scrollbar_TotalWidth (), szHint.height);
1096	resize_scrollbar ();	1148	resize_scrollbar ();
1097	}	1149	}
1098		1150
1099	if (menubar_visible ())	1151	XMoveResizeWindow (disp, vt,
1100	XMoveResizeWindow (display->display, menuBar.win, window_vt_x,	1152	window_vt_x, window_vt_y,
1101	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
1102
1103	XMoveResizeWindow (display->display, TermWin.vt, window_vt_x,
1104	window_vt_y, TermWin_TotalWidth (),
1105	TermWin_TotalHeight ());	1153	width, height);
1106	scr_clear (height != old_height);	1154
		1155	scr_clear ();
1107	#ifdef XPM_BACKGROUND	1156	#ifdef XPM_BACKGROUND
1108	resize_pixmap ();	1157	resize_pixmap ();
1109	#endif	1158	#endif
1110
1111	}	1159	}
1112		1160
1113	if (fix_screen || old_height == 0)	1161	if (fix_screen || old_height == 0)
1114	{	1162	{
1115	int curr_screen = -1;	1163	int curr_screen = -1;
1116	int old_ncol = prev_ncol;	1164	int old_ncol = prev_ncol;
1117		1165
1118	/* scr_reset only works on the primary screen */	1166	/* scr_reset only works on the primary screen */
1119	if (old_height) /* this is not the first time through */	1167	if (old_height) /* this is not the first time through */
1120	{	1168	{
1121	unsigned int ncol = TermWin.ncol;	1169	unsigned int ocol = ncol;
1122	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this	1170	ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1123	curr_screen = scr_change_screen (PRIMARY);	1171	curr_screen = scr_change_screen (PRIMARY);
1124	TermWin.ncol = ncol;	1172	ncol = ocol;
1125	}	1173	}
1126		1174
1127	scr_reset ();	1175	scr_reset ();
1128		1176
1129	if (curr_screen >= 0) /* this is not the first time through */	1177	if (curr_screen >= 0) /* this is not the first time through */
1130	{	1178	{
1131	scr_change_screen (curr_screen);	1179	scr_change_screen (curr_screen);
1132	selection_check (old_ncol != TermWin.ncol ? 4 : 0);	1180	selection_check (old_ncol != ncol ? 4 : 0);
1133	}	1181	}
1134	}	1182	}
1135		1183
1136	old_width = szHint.width;	1184	old_width = szHint.width;
1137	old_height = szHint.height;	1185	old_height = szHint.height;
		1186
		1187	#ifdef XPM_BACKGROUND
		1188	if (pixmap)
		1189	scr_touch (false);
		1190	#endif
1138		1191
1139	#ifdef USE_XIM	1192	#ifdef USE_XIM
1140	IMSetStatusPosition ();	1193	IMSetStatusPosition ();
1141	#endif	1194	#endif
1142	}	1195	}
…		…
1144	/*	1197	/*
1145	* Set the width/height of the vt window in characters. Units are pixels.	1198	* Set the width/height of the vt window in characters. Units are pixels.
1146	* good for toggling 80/132 columns	1199	* good for toggling 80/132 columns
1147	*/	1200	*/
1148	void	1201	void
1149	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1202	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1150	{	1203	{
1151	XWindowAttributes wattr;	1204	XWindowAttributes wattr;
1152		1205
1153	if (width == 0 || height == 0)	1206	if (newwidth == 0 || newheight == 0)
1154	{	1207	{
1155	XGetWindowAttributes (display->display, display->root, &wattr);	1208	XGetWindowAttributes (display->display, display->root, &wattr);
		1209
1156	if (width == 0)	1210	if (newwidth == 0)
1157	width = wattr.width - szHint.base_width;	1211	newwidth = wattr.width - szHint.base_width;
1158	if (height == 0)	1212	if (newheight == 0)
1159	height = wattr.height - szHint.base_height;	1213	newheight = wattr.height - szHint.base_height;
1160	}
1161	if (width != TermWin.width || height != TermWin.height)
1162	{	1214	}
		1215
		1216	if (newwidth != width || newheight != height)
		1217	{
1163	width += szHint.base_width;	1218	newwidth += szHint.base_width;
1164	height += szHint.base_height;	1219	newheight += szHint.base_height;
1165	resize_all_windows (width, height, 0);	1220	resize_all_windows (newwidth, newheight, 0);
1166	}	1221	}
1167	}	1222	}
1168		1223
1169	/* -------------------------------------------------------------------- *	1224	/* -------------------------------------------------------------------- *
1170	* - X INPUT METHOD ROUTINES - *	1225	* - X INPUT METHOD ROUTINES - *
1171	* -------------------------------------------------------------------- */	1226	* -------------------------------------------------------------------- */
1172	#ifdef USE_XIM	1227	#ifdef USE_XIM
1173		1228
1174	void	1229	void
		1230	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
		1231	{
		1232	fg = pix_colors[Color_fg];
		1233	bg = pix_colors[Color_bg];
		1234	}
		1235
		1236	void
1175	rxvt_term::im_set_size (XRectangle *size)	1237	rxvt_term::im_set_size (XRectangle &size)
1176	{	1238	{
1177	size->x = TermWin.int_bwidth;	1239	// the int_bwidth terms make no sense to me
1178	size->y = TermWin.int_bwidth;	1240	size.x = int_bwidth;
1179	size->width = Width2Pixel (TermWin.ncol);	1241	size.y = int_bwidth;
1180	size->height = Height2Pixel (TermWin.nrow);	1242	size.width = Width2Pixel (ncol) + int_bwidth;
		1243	size.height = Height2Pixel (nrow) + int_bwidth;
1181	}	1244	}
1182		1245
1183	void	1246	void
1184	rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)	1247	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1248	XRectangle &status_rect,
		1249	const XRectangle &needed_rect)
1185	{	1250	{
1186	*fg = PixColors[Color_fg];	1251	preedit_rect.x = needed_rect.width;
1187	*bg = PixColors[Color_bg];	1252	preedit_rect.y = 0;
		1253	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1254	preedit_rect.height = fheight;
		1255
		1256	status_rect.x = 0;
		1257	status_rect.y = 0;
		1258	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1259	status_rect.height = fheight;
1188	}	1260	}
1189		1261
1190	/* Checking whether input method is running. */	1262	/* Checking whether input method is running. */
1191	bool	1263	bool
1192	rxvt_term::IMisRunning ()	1264	rxvt_term::IMisRunning ()
1193	{	1265	{
1194	char *p;	1266	char *p;
1195	Atom atom;	1267	Atom atom;
1196	Window win;	1268	Window win;
1197	char server[IMBUFSIZ];	1269	char server[IMBUFSIZ];
1198		1270
1199	/* get current locale modifier */	1271	/* get current locale modifier */
1200	if ((p = XSetLocaleModifiers (NULL)) != NULL)	1272	if ((p = XSetLocaleModifiers (NULL)) != NULL)
1201	{	1273	{
1202	STRCPY (server, "@server=");	1274	strcpy (server, "@server=");
1203	STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1275	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1276
1204	if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */	1277	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1205	*p = '\0';	1278	*p = '\0';
1206		1279
1207	atom = XInternAtom (display->display, server, False);	1280	atom = XInternAtom (display->display, server, False);
1208	win = XGetSelectionOwner (display->display, atom);	1281	win = XGetSelectionOwner (display->display, atom);
		1282
1209	if (win != None)	1283	if (win != None)
1210	return True;	1284	return True;
1211	}	1285	}
		1286
1212	return False;	1287	return False;
1213	}	1288	}
1214		1289
1215	void	1290	void
1216	rxvt_term::IMSendSpot ()	1291	rxvt_term::IMSendSpot ()
1217	{	1292	{
1218	XPoint spot;	1293	XPoint nspot;
1219	XVaNestedList preedit_attr;	1294	XVaNestedList preedit_attr;
1220		1295
1221	if (Input_Context == NULL	1296	if (!Input_Context
		1297	|| !focus
1222	|| !TermWin.focus || ! (input_style & XIMPreeditPosition)	1298	|| !(input_style & XIMPreeditPosition))
1223	|| ! (event_type == KeyPress
1224	|| event_type == Expose
1225	|| event_type == NoExpose
1226	|| event_type == SelectionNotify
1227	|| event_type == ButtonRelease || event_type == FocusIn)
1228	|| !IMisRunning ())
1229	return;	1299	return;
1230		1300
1231	im_set_position (&spot);	1301	im_set_position (nspot);
		1302
		1303	if (nspot.x == spot.x && nspot.y == spot.y)
		1304	return;
		1305
		1306	spot = nspot;
1232		1307
1233	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);	1308	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1234	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1309	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1235	XFree (preedit_attr);	1310	XFree (preedit_attr);
1236	}	1311	}
1237		1312
1238	void	1313	void
1239	rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,
1240	XRectangle * needed_rect)
1241	{
1242	int mbh, vtx = 0;
1243
1244	if (scrollbar_visible () && ! (Options & Opt_scrollBar_right))
1245	vtx = scrollbar_TotalWidth ();
1246
1247	mbh = menubar_visible () ? menuBar_TotalHeight () : 0;
1248	mbh -= TermWin.lineSpace;
1249
1250	preedit_rect->x = needed_rect->width + vtx;
1251	preedit_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1252
1253	preedit_rect->width = Width2Pixel (TermWin.ncol + 1) - needed_rect->width + vtx;
1254	preedit_rect->height = Height2Pixel (1);
1255
1256	status_rect->x = vtx;
1257	status_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1258
1259	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel (TermWin.ncol + 1);
1260	status_rect->height = Height2Pixel (1);
1261	}
1262
1263	void
1264	rxvt_term::im_destroy ()	1314	rxvt_term::im_destroy ()
1265	{	1315	{
1266	if (Input_Context)
1267	{
1268	XDestroyIC (Input_Context);
1269	Input_Context = NULL;
1270	}
1271
1272	if (input_method)	1316	if (input_method)
1273	{	1317	{
		1318	if (Input_Context && input_method->xim)
		1319	XDestroyIC (Input_Context);
		1320
1274	display->put_xim (input_method);	1321	display->put_xim (input_method);
1275	input_method = 0;	1322	input_method = 0;
1276	}	1323	}
		1324
		1325	Input_Context = 0;
1277	}	1326	}
1278		1327
1279	/*	1328	/*
1280	* Try to open a XIM with the current modifiers, then see if we can	1329	* Try to open a XIM with the current modifiers, then see if we can
1281	* open a suitable preedit type	1330	* open a suitable preedit type
1282	*/	1331	*/
1283	bool	1332	bool
1284	rxvt_term::IM_get_IC (const char *modifiers)	1333	rxvt_term::IM_get_IC (const char *modifiers)
1285	{	1334	{
1286	int i, j, found;	1335	int i, j, found;
1287	XIM xim;	1336	XIM xim;
1288	XPoint spot;	1337	XPoint spot;
1289	XRectangle rect, status_rect, needed_rect;	1338	XRectangle rect, status_rect, needed_rect;
1290	unsigned long fg, bg;	1339	unsigned long fg, bg;
1291	const char *p;	1340	const char *p;
1292	char **s;	1341	char **s;
1293	XIMStyles *xim_styles;	1342	XIMStyles *xim_styles;
1294	XVaNestedList preedit_attr, status_attr;	1343
		1344	set_environ (envv);
1295		1345
1296	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))	1346	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1297	return false;	1347	return false;
1298		1348
1299	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));	1349	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1300	input_method = display->get_xim (locale, modifiers);	1350	input_method = display->get_xim (locale, modifiers);
1301	if (input_method == NULL)	1351	if (input_method == NULL)
1302	return false;	1352	return false;
1303		1353
1304	xim = input_method->xim;	1354	xim = input_method->xim;
		1355	spot.x = spot.y = -1;
1305		1356
1306	xim_styles = NULL;	1357	xim_styles = NULL;
1307	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1358	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1308	|| !xim_styles || !xim_styles->count_styles)	1359	|| !xim_styles || !xim_styles->count_styles)
1309	{	1360	{
1310	display->put_xim (input_method);	1361	im_destroy ();
1311	return false;	1362	return false;
1312	}	1363	}
1313		1364
1314	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";	1365	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1366
		1367	for (int pi = 0; pi < 2; pi++)
		1368	{
		1369	p = pet[pi];
		1370
		1371	if (!p)
		1372	continue;
		1373
1315	s = rxvt_splitcommastring (p);	1374	s = rxvt_splitcommastring (p);
		1375
1316	for (i = found = 0; !found && s[i]; i++)	1376	for (i = found = 0; !found && s[i]; i++)
1317	{	1377	{
1318	if (!STRCMP (s[i], "OverTheSpot"))	1378	if (!strcmp (s[i], "OverTheSpot"))
1319	input_style = (XIMPreeditPosition | XIMStatusNothing);	1379	input_style = (XIMPreeditPosition | XIMStatusNothing);
1320	else if (!STRCMP (s[i], "OffTheSpot"))	1380	else if (!strcmp (s[i], "OffTheSpot"))
1321	input_style = (XIMPreeditArea | XIMStatusArea);	1381	input_style = (XIMPreeditArea | XIMStatusArea);
1322	else if (!STRCMP (s[i], "Root"))	1382	else if (!strcmp (s[i], "Root"))
1323	input_style = (XIMPreeditNothing | XIMStatusNothing);	1383	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1384	else if (!strcmp (s[i], "None"))
		1385	input_style = (XIMPreeditNone | XIMStatusNone);
1324		1386
1325	for (j = 0; j < xim_styles->count_styles; j++)	1387	for (j = 0; j < xim_styles->count_styles; j++)
1326	if (input_style == xim_styles->supported_styles[j])	1388	if (input_style == xim_styles->supported_styles[j])
1327	{	1389	{
		1390	rxvt_freecommastring (s);
		1391
1328	found = 1;	1392	found = 1;
1329	break;	1393	goto foundpet;
		1394	}
		1395
1330	}	1396	}
1331	}
1332		1397
1333	for (i = 0; s[i]; i++)	1398	rxvt_freecommastring (s);
1334	free (s[i]);	1399	}
1335		1400
1336	free (s);	1401	foundpet:
		1402
1337	XFree (xim_styles);	1403	XFree (xim_styles);
1338		1404
1339	if (!found)	1405	if (!found)
1340	{	1406	{
1341	display->put_xim (input_method);	1407	im_destroy ();
1342	return false;	1408	return false;
1343	}	1409	}
1344		1410
1345	preedit_attr = status_attr = NULL;	1411	XFontSet fs = 0;
		1412	XVaNestedList preedit_attr = 0, status_attr = 0;
		1413
		1414	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1415	{
		1416	// fake us a font-set, please
		1417	char **missing_charset_list;
		1418	int missing_charset_count;
		1419	char *def_string;
		1420	char pat[512];
		1421
		1422	sprintf (pat,
		1423	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1424	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1425	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1426	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1427	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1428	"*",
		1429	fheight,
		1430	fheight + 1, fheight - 1,
		1431	fheight - 2, fheight + 2);
		1432
		1433	fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1434	&missing_charset_list, &missing_charset_count, &def_string);
		1435
		1436	if (missing_charset_list)
		1437	XFreeStringList (missing_charset_list);
		1438
		1439	if (!fs)
		1440	{
		1441	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1442	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1443	}
		1444	}
1346		1445
1347	if (input_style & XIMPreeditPosition)	1446	if (input_style & XIMPreeditPosition)
1348	{	1447	{
1349	im_set_size (&rect);	1448	im_set_size (rect);
1350	im_set_position (&spot);	1449	im_set_position (spot);
1351	im_set_color (&fg, &bg);	1450	im_set_color (fg, bg);
1352		1451
1353	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1452	preedit_attr = XVaCreateNestedList (0,
		1453	XNForeground, fg,
		1454	XNBackground, bg,
		1455	XNArea, &rect,
1354	XNSpotLocation, &spot,	1456	XNSpotLocation, &spot,
1355	XNForeground, fg, XNBackground, bg,
1356	//XNFontSet, TermWin.fontset,	1457	XNFontSet, fs,
1357	NULL);	1458	NULL);
1358	}	1459	}
1359	else if (input_style & XIMPreeditArea)	1460	else if (input_style & XIMPreeditArea)
1360	{	1461	{
1361	im_set_color (&fg, &bg);	1462	im_set_color (fg, bg);
1362		1463
1363	/*	1464	/*
1364	* The necessary width of preedit area is unknown	1465	* The necessary width of preedit area is unknown
1365	* until create input context.	1466	* until create input context.
1366	*/	1467	*/
1367	needed_rect.width = 0;	1468	needed_rect.width = 0;
1368
1369	im_set_preedit_area (&rect, &status_rect, &needed_rect);	1469	im_set_preedit_area (rect, status_rect, needed_rect);
1370		1470
1371	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1471	preedit_attr = XVaCreateNestedList (0,
		1472	XNForeground, fg,
1372	XNForeground, fg, XNBackground, bg,	1473	XNBackground, bg,
		1474	XNArea, &rect,
		1475	XNFontSet, fs,
		1476	NULL);
		1477	status_attr = XVaCreateNestedList (0,
		1478	XNForeground, fg,
		1479	XNBackground, bg,
		1480	XNArea, &status_rect,
1373	//XNFontSet, TermWin.fontset,	1481	XNFontSet, fs,
1374	NULL);	1482	NULL);
1375	status_attr = XVaCreateNestedList (0, XNArea, &status_rect,
1376	XNForeground, fg, XNBackground, bg,
1377	//XNFontSet, TermWin.fontset,
1378	NULL);
1379	}	1483	}
1380		1484
1381	Input_Context = XCreateIC (xim, XNInputStyle, input_style,	1485	Input_Context = XCreateIC (xim,
		1486	XNInputStyle, input_style,
1382	XNClientWindow, TermWin.parent[0],	1487	XNClientWindow, vt,
1383	XNFocusWindow, TermWin.parent[0],	1488	XNFocusWindow, parent[0],
1384	preedit_attr ? XNPreeditAttributes : NULL,	1489	preedit_attr ? XNPreeditAttributes : NULL,
1385	preedit_attr,	1490	preedit_attr,
1386	status_attr ? XNStatusAttributes : NULL,	1491	status_attr ? XNStatusAttributes : NULL,
1387	status_attr, NULL);	1492	status_attr, NULL);
		1493
1388	if (preedit_attr) XFree (preedit_attr);	1494	if (preedit_attr) XFree (preedit_attr);
1389	if (status_attr) XFree (status_attr);	1495	if (status_attr) XFree (status_attr);
		1496	if (fs) XFreeFontSet (display->display, fs);
1390		1497
1391	if (Input_Context == NULL)	1498	if (Input_Context == NULL)
1392	{	1499	{
1393	rxvt_print_error ("failed to create input context");	1500	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1394	display->put_xim (input_method);	1501	im_destroy ();
1395	return false;	1502	return false;
1396	}	1503	}
1397		1504
1398	if (input_style & XIMPreeditArea)	1505	if (input_style & XIMPreeditArea)
1399	IMSetStatusPosition ();	1506	IMSetStatusPosition ();
…		…
1403	}	1510	}
1404		1511
1405	void	1512	void
1406	rxvt_term::im_cb ()	1513	rxvt_term::im_cb ()
1407	{	1514	{
1408	int i, found, had_im;	1515	int i;
1409	const char *p;	1516	const char *p;
1410	char **s;	1517	char **s;
1411	char buf[IMBUFSIZ];	1518	char buf[IMBUFSIZ];
1412		1519
		1520	make_current ();
		1521
1413	im_destroy ();	1522	im_destroy ();
1414		1523
1415	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));	1524	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1416	if (Input_Context)	1525	if (Input_Context)
1417	return;	1526	return;
…		…
1425	if (p && *p)	1534	if (p && *p)
1426	{	1535	{
1427	bool found = false;	1536	bool found = false;
1428		1537
1429	s = rxvt_splitcommastring (p);	1538	s = rxvt_splitcommastring (p);
		1539
1430	for (i = 0; s[i]; i++)	1540	for (i = 0; s[i]; i++)
1431	{	1541	{
1432	if (*s[i])	1542	if (*s[i])
1433	{	1543	{
1434	STRCPY (buf, "@im=");	1544	strcpy (buf, "@im=");
1435	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1545	strncat (buf, s[i], IMBUFSIZ - 5);
1436	if (IM_get_IC (buf))	1546	if (IM_get_IC (buf))
1437	{	1547	{
1438	found = true;	1548	found = true;
1439	break;	1549	break;
1440	}	1550	}
1441	}	1551	}
1442	}	1552	}
1443	for (i = 0; s[i]; i++)	1553
1444	free (s[i]);	1554	rxvt_freecommastring (s);
1445	free (s);
1446		1555
1447	if (found)	1556	if (found)
1448	goto done;	1557	goto done;
1449	}	1558	}
1450		1559
…		…
1464	}	1573	}
1465		1574
1466	void	1575	void
1467	rxvt_term::IMSetStatusPosition ()	1576	rxvt_term::IMSetStatusPosition ()
1468	{	1577	{
1469	XRectangle preedit_rect, status_rect, *needed_rect;	1578	XRectangle preedit_rect, status_rect, *needed_rect;
1470	XVaNestedList preedit_attr, status_attr;	1579	XVaNestedList preedit_attr, status_attr;
1471		1580
1472	if (Input_Context == NULL	1581	if (!Input_Context
		1582	|| !focus
1473	|| !TermWin.focus || ! (input_style & XIMPreeditArea)	1583	|| !(input_style & XIMPreeditArea)
1474	|| !IMisRunning ())	1584	|| !IMisRunning ())
1475	return;	1585	return;
1476		1586
1477	/* Getting the necessary width of preedit area */	1587	/* Getting the necessary width of preedit area */
1478	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);	1588	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1479	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);	1589	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1480	XFree (status_attr);	1590	XFree (status_attr);
1481		1591
1482	im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);	1592	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1593	XFree (needed_rect);
1483		1594
1484	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);	1595	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1485	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);	1596	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1486		1597
1487	XSetICValues (Input_Context,	1598	XSetICValues (Input_Context,
1488	XNPreeditAttributes, preedit_attr,	1599	XNPreeditAttributes, preedit_attr,
1489	XNStatusAttributes, status_attr, NULL);	1600	XNStatusAttributes, status_attr, NULL);
1490		1601
1491	XFree (preedit_attr);	1602	XFree (preedit_attr);
1492	XFree (status_attr);	1603	XFree (status_attr);
1493	}	1604	}
1494	#endif /* USE_XIM */	1605	#endif /* USE_XIM */

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