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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.60 by pcg, Sun Mar 28 02:07:08 2004 UTC vs.
Revision 1.191 by root, Fri Jan 20 10:27:08 2006 UTC

1	/*--------------------------------*-C-*---------------------------------*;	1	/*--------------------------------*-C-*---------------------------------*
2	* File: main.c	2	* File: main.C
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>	6	* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
7	* - original version	7	* - original version
…		…
11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>	11	* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
12	* - extensive modifications	12	* - extensive modifications
13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>	13	* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>	14	* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
15	* - extensive modifications	15	* - extensive modifications
16	* Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com>	16	* Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
17	*	17	*
18	* This program is free software; you can redistribute it and/or modify	18	* This program is free software; you can redistribute it and/or modify
19	* it under the terms of the GNU General Public License as published by	19	* it under the terms of the GNU General Public License as published by
20	* the Free Software Foundation; either version 2 of the License, or	20	* the Free Software Foundation; either version 2 of the License, or
21	* (at your option) any later version.	21	* (at your option) any later version.
…		…
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31	*---------------------------------------------------------------------*/	31	*---------------------------------------------------------------------*/
32		32
33	#include "../config.h" /* NECESSARY */	33	#include "../config.h" /* NECESSARY */
34	#include "rxvt.h" /* NECESSARY */	34	#include "rxvt.h" /* NECESSARY */
35	#include "main.intpro" /* PROTOS for internal routines */	35	#include "keyboard.h"
		36	#include "rxvtperl.h"
36		37
		38	#include <limits>
		39
37	#include <signal.h>	40	#include <csignal>
		41	#include <cstring>
38		42
39	#ifdef TTY_GID_SUPPORT	43	#ifdef TTY_GID_SUPPORT
40	# include <grp.h>	44	# include <grp.h>
41	#endif	45	#endif
42		46
43	#ifdef HAVE_TERMIOS_H	47	#ifdef HAVE_TERMIOS_H
44	# include <termios.h>	48	# include <termios.h>
45	#endif	49	#endif
46		50
47	#include <cstring>	51	vector<rxvt_term *> rxvt_term::termlist;
48		52
		53	// used to tell global functions which terminal instance is "active"
		54	rxvt_t rxvt_current_term;
		55
49	static char curlocale[128];	56	static char curlocale[128], savelocale[128];
50		57
51	void	58	bool
52	rxvt_set_locale (const char *locale)	59	rxvt_set_locale (const char *locale) NOTHROW
53	{	60	{
54	if (locale && STRNCMP (locale, curlocale, 128))	61	if (!locale || !strncmp (locale, curlocale, 128))
55	{	62	return false;
		63
56	STRNCPY (curlocale, locale, 128);	64	strncpy (curlocale, locale, 128);
57	setlocale (LC_CTYPE, curlocale);	65	setlocale (LC_CTYPE, curlocale);
58	}	66	return true;
		67	}
		68
		69	void
		70	rxvt_push_locale (const char *locale) NOTHROW
		71	{
		72	strcpy (savelocale, curlocale);
		73	rxvt_set_locale (locale);
		74	}
		75
		76	void
		77	rxvt_pop_locale () NOTHROW
		78	{
		79	rxvt_set_locale (savelocale);
59	}	80	}
60		81
61	#if ENABLE_COMBINING	82	#if ENABLE_COMBINING
62	class rxvt_composite_vec rxvt_composite;	83	class rxvt_composite_vec rxvt_composite;
63		84
…		…
120	return len;	141	return len;
121		142
122	}	143	}
123	#endif	144	#endif
124		145
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 ()	146	rxvt_term::rxvt_term ()
141	:	147	:
		148	#if TRANSPARENT
142	rootwin_ev (this, &rxvt_term::rootwin_cb),	149	rootwin_ev (this, &rxvt_term::rootwin_cb),
		150	#endif
		151	#ifdef HAVE_SCROLLBARS
		152	scrollbar_ev (this, &rxvt_term::x_cb),
		153	#endif
		154	#ifdef CURSOR_BLINK
		155	cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
		156	#endif
		157	#ifdef TEXT_BLINK
		158	text_blink_ev (this, &rxvt_term::text_blink_cb),
		159	#endif
		160	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		161	cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
		162	#endif
		163	#ifdef SELECTION_SCROLLING
		164	sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
		165	#endif
		166	#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
		167	slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
		168	#endif
		169	#ifdef POINTER_BLANK
		170	pointer_ev (this, &rxvt_term::pointer_cb),
		171	#endif
		172	#ifdef USE_XIM
		173	im_ev (this, &rxvt_term::im_cb),
		174	#endif
143	termwin_ev (this, &rxvt_term::x_cb),	175	termwin_ev (this, &rxvt_term::x_cb),
144	vt_ev (this, &rxvt_term::x_cb),	176	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),	177	child_ev (this, &rxvt_term::child_cb),
162	#endif
163	check_ev (this, &rxvt_term::check_cb),	178	check_ev (this, &rxvt_term::check_cb),
		179	flush_ev (this, &rxvt_term::flush_cb),
164	destroy_ev (this, &rxvt_term::destroy_cb),	180	destroy_ev (this, &rxvt_term::destroy_cb),
165	pty_ev (this, &rxvt_term::pty_cb),	181	pty_ev (this, &rxvt_term::pty_cb),
166	incr_ev (this, &rxvt_term::incr_cb)	182	incr_ev (this, &rxvt_term::incr_cb)
167	{	183	{
168	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	184	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
		185
		186	termlist.push_back (this);
		187
		188	#ifdef KEYSYM_RESOURCE
		189	keyboard = new keyboard_manager;
		190	#endif
		191	}
		192
		193	// clean up the most important stuff, do *not* call x or free mem etc.
		194	// for use before an emergency exit
		195	void rxvt_term::emergency_cleanup ()
		196	{
		197	if (cmd_pid)
		198	kill (-cmd_pid, SIGHUP);
		199
		200	delete pty; pty = 0;
169	}	201	}
170		202
171	rxvt_term::~rxvt_term ()	203	rxvt_term::~rxvt_term ()
172	{	204	{
173	if (cmd_fd >= 0)	205	termlist.erase (find (termlist.begin (), termlist.end(), this));
174	close (cmd_fd);
175		206
176	#ifndef NO_SETOWNER_TTYDEV	207	emergency_cleanup ();
177	privileged_ttydev (RESTORE);
178	#endif
179	#ifdef UTMP_SUPPORT
180	privileged_utmp (RESTORE);
181	#endif
182		208
		209	#if ENABLE_STYLES
		210	for (int i = RS_styleCount; --i; )
		211	if (fontset[i] != fontset[0])
		212	delete fontset[i];
		213	#endif
183	delete TermWin.fontset;	214	delete fontset[0];
184		215
185	if (display)	216	if (display)
186	{	217	{
		218	dDisp;
		219
187	selection_clear ();	220	selection_clear ();
188		221
189	#ifdef MENUBAR	222	#ifdef USE_XIM
190	if (menubarGC) XFreeGC (display->display, menubarGC);	223	im_destroy ();
191	#endif	224	#endif
192	#ifdef XTERM_SCROLLBAR	225	#ifdef XTERM_SCROLLBAR
193	if (xscrollbarGC) XFreeGC (display->display, xscrollbarGC);	226	if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
194	if (ShadowGC) XFreeGC (display->display, ShadowGC);	227	if (ShadowGC) XFreeGC (disp, ShadowGC);
195	#endif	228	#endif
196	#ifdef PLAIN_SCROLLBAR	229	#ifdef PLAIN_SCROLLBAR
197	if (pscrollbarGC) XFreeGC (display->display, pscrollbarGC);	230	if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
198	#endif	231	#endif
199	#ifdef NEXT_SCROLLBAR	232	#ifdef NEXT_SCROLLBAR
200	if (blackGC) XFreeGC (display->display, blackGC);	233	if (blackGC) XFreeGC (disp, blackGC);
201	if (whiteGC) XFreeGC (display->display, whiteGC);	234	if (whiteGC) XFreeGC (disp, whiteGC);
202	if (grayGC) XFreeGC (display->display, grayGC);	235	if (grayGC) XFreeGC (disp, grayGC);
203	if (darkGC) XFreeGC (display->display, darkGC);	236	if (darkGC) XFreeGC (disp, darkGC);
204	if (stippleGC) XFreeGC (display->display, stippleGC);	237	if (stippleGC) XFreeGC (disp, stippleGC);
205	if (dimple) XFreePixmap (display->display, dimple);	238	if (dimple) XFreePixmap (disp, dimple);
206	if (upArrow) XFreePixmap (display->display, upArrow);	239	if (upArrow) XFreePixmap (disp, upArrow);
207	if (downArrow) XFreePixmap (display->display, downArrow);	240	if (downArrow) XFreePixmap (disp, downArrow);
208	if (upArrowHi) XFreePixmap (display->display, upArrowHi);	241	if (upArrowHi) XFreePixmap (disp, upArrowHi);
209	if (downArrowHi) XFreePixmap (display->display, downArrowHi);	242	if (downArrowHi) XFreePixmap (disp, downArrowHi);
210	#endif	243	#endif
211	#if defined(MENUBAR) || defined(RXVT_SCROLLBAR)	244	#ifdef RXVT_SCROLLBAR
212	if (topShadowGC) XFreeGC (display->display, topShadowGC);	245	if (topShadowGC) XFreeGC (disp, topShadowGC);
213	if (botShadowGC) XFreeGC (display->display, botShadowGC);	246	if (botShadowGC) XFreeGC (disp, botShadowGC);
214	if (scrollbarGC) XFreeGC (display->display, scrollbarGC);	247	if (scrollbarGC) XFreeGC (disp, scrollbarGC);
215	#endif	248	#endif
216	if (TermWin.gc) XFreeGC (display->display, TermWin.gc);	249	if (gc) XFreeGC (disp, gc);
217		250
218	#if defined(MENUBAR) && (MENUBAR_MAX > 1)
219	delete menuBar.drawable;	251	delete drawable;
220	//if (menuBar.win)
221	// XDestroyWindow (display->display, menuBar.win);
222	#endif
223	delete TermWin.drawable;
224	// destroy all windows	252	// destroy all windows
225	if (TermWin.parent[0])	253	if (parent[0])
226	XDestroyWindow (display->display, TermWin.parent[0]);	254	XDestroyWindow (disp, parent[0]);
227	}	255	}
228		256
229	// TODO: free pixcolours, colours should become part of rxvt_display	257	// TODO: free pixcolours, colours should become part of rxvt_display
230		258	delete pix_colors_focused;
231	delete PixColors;	259	#if OFF_FOCUS_FADING
		260	delete pix_colors_unfocused;
		261	#endif
232		262
233	displays.put (display);	263	displays.put (display);
234		264
235	scr_release ();	265	scr_release ();
236		266
237	/* clear all resources */	267	/* clear all resources */
238	for (int i = 0; i < allocated.size (); i++)	268	for (int i = 0; i < allocated.size (); i++)
239	free (allocated[i]);	269	free (allocated [i]);
240		270
241	free (selection.text);	271	free (selection.text);
242	// TODO: manage env vars in child only(!)	272	// TODO: manage env vars in child only(!)
243	free (env_windowid);	273	free (env_windowid);
244	free (env_display);	274	free (env_display);
245	free (env_term);	275	free (env_term);
246	free (env_colorfgbg);	276	free (env_colorfgbg);
247	free (locale);	277	free (locale);
248	#if 0	278	free (v_buffer);
249	free (codeset);	279	free (incr_buf);
250	#endif
251		280
252	delete envv;	281	delete envv;
253	delete argv;	282	delete argv;
		283
		284	#ifdef KEYSYM_RESOURCE
		285	delete keyboard;
		286	#endif
		287	}
		288
		289	// child has exited, usually destroys
		290	void
		291	rxvt_term::child_cb (child_watcher &w, int status)
		292	{
		293	HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
		294
		295	cmd_pid = 0;
		296
		297	if (!OPTION (Opt_hold))
		298	destroy ();
254	}	299	}
255		300
256	void	301	void
257	rxvt_term::destroy ()	302	rxvt_term::destroy ()
258	{	303	{
		304	if (destroy_ev.active)
		305	return;
		306
		307	if (HOOK_INVOKE ((this, HOOK_DESTROY, DT_END)))
		308	return;
		309
		310	#if ENABLE_OVERLAY
		311	scr_overlay_off ();
		312	#endif
		313
259	if (display)	314	if (display)
260	{	315	{
		316	#if USE_XIM
		317	im_ev.stop (display);
		318	#endif
		319	#if HAVE_SCROLLBARS
		320	scrollbar_ev.stop (display);
		321	#endif
		322	#if TRANSPARENT
261	rootwin_ev.stop (display);	323	rootwin_ev.stop (display);
		324	#endif
		325	incr_ev.stop ();
262	termwin_ev.stop (display);	326	termwin_ev.stop (display);
263	vt_ev.stop (display);	327	vt_ev.stop (display);
264	#ifdef USE_XIM
265	im_destroy ();
266	im_ev.stop (display);
267	#endif
268	#ifdef HAVE_SCROLLBARS
269	scrollbar_ev.stop (display);
270	#endif
271	#ifdef MENUBAR
272	menubar_ev.stop (display);
273	#endif
274	}	328	}
275		329
276	check_ev.stop ();	330	check_ev.stop ();
277	pty_ev.stop ();	331	pty_ev.stop ();
278	#ifdef CURSOR_BLINK	332	#ifdef CURSOR_BLINK
279	cursor_blink_ev.stop ();	333	cursor_blink_ev.stop ();
280	#endif	334	#endif
281	#ifdef TEXT_BLINK	335	#ifdef TEXT_BLINK
282	text_blink_ev.stop ();	336	text_blink_ev.stop ();
283	#endif	337	#endif
		338	#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
		339	cont_scroll_ev.stop ();
		340	#endif
		341	#ifdef SELECTION_SCROLLING
		342	sel_scroll_ev.stop ();
		343	#endif
284	#ifdef POINTER_BLANK	344	#ifdef POINTER_BLANK
285	pointer_ev.stop ();	345	pointer_ev.stop ();
286	#endif	346	#endif
287		347
288	destroy_ev.start (0);	348	destroy_ev.start (0);
289	}	349	}
290		350
291	void	351	void
292	rxvt_term::destroy_cb (time_watcher &w)	352	rxvt_term::destroy_cb (time_watcher &w)
293	{	353	{
294	SET_R (this);	354	make_current ();
295		355
296	delete this;	356	delete this;
297	}
298
299	/*----------------------------------------------------------------------*/
300	/* rxvt_init () */
301	bool
302	rxvt_term::init (int argc, const char *const *argv)
303	{
304	SET_R (this);
305
306	if (!init_vars ())
307	return false;
308
309	/*
310	* Save and then give up any super-user privileges
311	* If we need privileges in any area then we must specifically request it.
312	* We should only need to be root in these cases:
313	* 1. write utmp entries on some systems
314	* 2. chown tty on some systems
315	*/
316	privileges (SAVE);
317	privileges (IGNORE);
318
319	init_secondary ();
320
321	const char **cmd_argv = init_resources (argc, argv);
322
323	set_locale ("");
324
325	#if MENUBAR_MAX
326	menubar_read (rs[Rs_menu]);
327	#endif
328	#ifdef HAVE_SCROLLBARS
329	if (Options & Opt_scrollBar)
330	scrollBar.setIdle (); /* set existence for size calculations */
331	#endif
332
333	create_windows (argc, argv);
334
335	init_xlocale ();
336
337	scr_reset (); /* initialize screen */
338
339	#if 0
340	XSynchronize (display->display, True);
341	#endif
342
343	#ifdef HAVE_SCROLLBARS
344	if (Options & Opt_scrollBar)
345	resize_scrollbar (); /* create and map scrollbar */
346	#endif
347	#if (MENUBAR_MAX)
348	if (menubar_visible ())
349	XMapWindow (display->display, menuBar.win);
350	#endif
351	#ifdef TRANSPARENT
352	if (Options & Opt_transparent)
353	{
354	XSelectInput (display->display, display->root, PropertyChangeMask);
355	check_our_parents ();
356	}
357	#endif
358
359	rootwin_ev.start (display, display->root);
360
361	XMapWindow (display->display, TermWin.vt);
362	XMapWindow (display->display, TermWin.parent[0]);
363
364	init_command (cmd_argv);
365
366	pty_ev.start (cmd_fd, EVENT_READ);
367
368	check_ev.start ();
369
370	return true;
371	}
372
373	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
374
375	void
376	rxvt_init_signals ()
377	{
378	/* install exit handler for cleanup */
379	#if 0
380	#ifdef HAVE_ATEXIT
381	atexit (rxvt_clean_exit);
382	#else
383	#endif
384	#endif
385
386	struct sigaction sa;
387
388	sigfillset (&sa.sa_mask);
389	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
390	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
391	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
392	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
393	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
394	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
395	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
396
397	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
398	/* signal (SIGURG, SIG_DFL); */
399
400	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
401	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
402	}
403
404	/* ------------------------------------------------------------------------- *
405	* SIGNAL HANDLING & EXIT HANDLER *
406	* ------------------------------------------------------------------------- */
407	/*
408	* Catch a SIGCHLD signal and exit if the direct child has died
409	*/
410	/* ARGSUSED */
411	/* EXTPROTO */
412	RETSIGTYPE
413	rxvt_Child_signal (int sig __attribute__ ((unused)))
414	{
415	int pid, save_errno = errno;
416	while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
417	;
418	errno = save_errno;
419
420	#if 0
421	if (pid == cmd_pid)
422	exit (EXIT_SUCCESS);
423	#endif
424	}
425
426	/*
427	* Catch a fatal signal and tidy up before quitting
428	*/
429	/* EXTPROTO */
430	RETSIGTYPE
431	rxvt_Exit_signal (int sig)
432	{
433	signal (sig, SIG_DFL);
434	#ifdef DEBUG_CMD
435	rxvt_warn ("caught signal %d, exiting.\n", sig);
436	#endif
437	rxvt_clean_exit ();
438	kill (getpid (), sig);
439	}
440
441	/* INTPROTO */
442	int
443	rxvt_xerror_handler (Display *display, XErrorEvent *event)
444	{
445	if (GET_R->allowedxerror == -1)
446	GET_R->allowedxerror = event->error_code;
447	else
448	{
449	old_xerror_handler (display, event);
450	GET_R->destroy ();
451	}
452
453	return 0;
454	}	357	}
455		358
456	/*----------------------------------------------------------------------*/	359	/*----------------------------------------------------------------------*/
457	/*	360	/*
458	* Exit gracefully, clearing the utmp entry and restoring tty attributes	361	* Exit gracefully, clearing the utmp entry and restoring tty attributes
459	* TODO: if debugging, this should free up any known resources if we can	362	* TODO: if debugging, this should free up any known resources if we can
460	*/	363	*/
461	/* EXTPROTO */	364	static XErrorHandler old_xerror_handler;
		365
		366	static void
		367	rxvt_emergency_cleanup ()
		368	{
		369	for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
		370	(*t)->emergency_cleanup ();
		371	}
		372
		373	#if ENABLE_FRILLS
		374	static void
		375	print_x_error (Display *dpy, XErrorEvent *event)
		376	{
		377	char buffer[BUFSIZ];
		378	char mesg[BUFSIZ];
		379	char number[32];
		380	char *mtype = "XlibMessage";
		381	XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
		382	XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
		383	rxvt_warn ("An X Error occured, trying to continue after report.\n");
		384	rxvt_warn ("%s: %s\n", mesg, buffer);
		385	XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
		386	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
		387	sprintf(number, "%d", event->request_code);
		388	XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
		389	rxvt_warn ("(which is %s)\n", buffer);
		390	if (event->request_code >= 128) {
		391	XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
		392	mesg, BUFSIZ);
		393	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
		394	}
		395	if ((event->error_code == BadWindow) ||
		396	(event->error_code == BadPixmap) ||
		397	(event->error_code == BadCursor) ||
		398	(event->error_code == BadFont) ||
		399	(event->error_code == BadDrawable) ||
		400	(event->error_code == BadColor) ||
		401	(event->error_code == BadGC) ||
		402	(event->error_code == BadIDChoice) ||
		403	(event->error_code == BadValue) ||
		404	(event->error_code == BadAtom)) {
		405	if (event->error_code == BadValue)
		406	XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
		407	mesg, BUFSIZ);
		408	else if (event->error_code == BadAtom)
		409	XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
		410	mesg, BUFSIZ);
		411	else
		412	XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
		413	mesg, BUFSIZ);
		414	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
		415	}
		416	XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
		417	mesg, BUFSIZ);
		418	rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
		419	}
		420	#endif
		421
		422	int
		423	rxvt_xerror_handler (Display *display, XErrorEvent *event)
		424	{
		425	if (GET_R->allowedxerror == -1)
		426	GET_R->allowedxerror = event->error_code;
		427	else
		428	{
		429	// GET_R is most likely not the terminal which caused the error,
		430	// so just output the error and continue
		431	#if ENABLE_FRILLS
		432	print_x_error (display, event);
		433	#else
		434	old_xerror_handler (display, event);
		435	#endif
		436	}
		437
		438	return 0;
		439	}
		440
		441	int
		442	rxvt_xioerror_handler (Display *display)
		443	{
		444	rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
		445	DisplayString (display));
		446	rxvt_emergency_cleanup ();
		447	_exit (EXIT_FAILURE);
		448	}
		449
		450	/*----------------------------------------------------------------------*/
		451	bool
		452	rxvt_term::init (int argc, const char *const *argv)
		453	{
		454	SET_R (this);
		455	set_locale ("");
		456	set_environ (envv); // few things in X do not call setlocale :(
		457
		458	if (!init_vars ())
		459	return false;
		460
		461	init_secondary ();
		462
		463	const char **cmd_argv = init_resources (argc, argv);
		464
		465	#ifdef KEYSYM_RESOURCE
		466	keyboard->register_done ();
		467	#endif
		468
		469	#if ENABLE_PERL
		470	if (!rs[Rs_perl_ext_1])
		471	rs[Rs_perl_ext_1] = "default";
		472
		473	if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
		474	|| (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
		475	|| (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
		476	{
		477	rxvt_perl.init (this);
		478	HOOK_INVOKE ((this, HOOK_INIT, DT_END));
		479	}
		480	#endif
		481
		482	#ifdef HAVE_SCROLLBARS
		483	if (OPTION (Opt_scrollBar))
		484	scrollBar.setIdle (); /* set existence for size calculations */
		485	#endif
		486
		487	pty = rxvt_new_ptytty ();
		488
		489	create_windows (argc, argv);
		490
		491	dDisp;
		492
		493	init_xlocale ();
		494
		495	scr_reset (); // initialize screen
		496
		497	#if 0
		498	XSynchronize (disp, True);
		499	#endif
		500
		501	#ifdef HAVE_SCROLLBARS
		502	if (OPTION (Opt_scrollBar))
		503	resize_scrollbar (); /* create and map scrollbar */
		504	#endif
		505	#ifdef TRANSPARENT
		506	if (OPTION (Opt_transparent))
		507	{
		508	XSelectInput (disp, display->root, PropertyChangeMask);
		509	check_our_parents ();
		510	rootwin_ev.start (display, display->root);
		511	}
		512	#endif
		513
		514	set_colorfgbg ();
		515
		516	init_command (cmd_argv);
		517
		518	free (cmd_argv);
		519
		520	if (pty->pty >= 0)
		521	pty_ev.start (pty->pty, EVENT_READ);
		522
		523	check_ev.start ();
		524
		525	HOOK_INVOKE ((this, HOOK_START, DT_END));
		526
		527	XMapWindow (disp, vt);
		528	XMapWindow (disp, parent[0]);
		529
		530	return true;
		531	}
		532
		533	static struct sig_handlers
		534	{
		535	sig_watcher sw_term, sw_int;
		536
		537	/*
		538	* Catch a fatal signal and tidy up before quitting
		539	*/
462	void	540	void
463	rxvt_clean_exit ()	541	sig_term (sig_watcher &w)
		542	{
		543	#ifdef DEBUG_CMD
		544	rxvt_warn ("caught signal %d, exiting.\n", w.signum);
		545	#endif
		546	rxvt_emergency_cleanup ();
		547	signal (w.signum, SIG_DFL);
		548	kill (getpid (), w.signum);
		549	}
		550
		551	sig_handlers ()
		552	: sw_term (this, &sig_handlers::sig_term),
		553	sw_int (this, &sig_handlers::sig_term)
		554	{
		555	}
		556	} sig_handlers;
		557
		558	char **rxvt_environ; // startup environment
		559
		560	void
		561	rxvt_init ()
464	{	562	{
465	// TODO: rxvtd should clean up all ressources	563	uid_t uid = getuid ();
466	if (GET_R)	564	gid_t gid = getgid ();
467	GET_R->destroy ();	565
		566	// before doing anything else, check for setuid/setgid operation,
		567	// start the helper process and drop privileges
		568	if (uid != geteuid ()
		569	|| gid != getegid ())
		570	{
		571	#if PTYTTY_HELPER
		572	rxvt_ptytty_server ();
		573	#else
		574	rxvt_warn ("running setuid/setgid without pty helper compiled in, continuing unprivileged.\n");
		575	#endif
		576
		577	// drop privileges
		578	#if HAVE_SETRESUID
		579	setresgid (gid, gid, gid);
		580	setresuid (uid, uid, uid);
		581	#elif HAVE_SETREUID
		582	setregid (gid, gid);
		583	setreuid (uid, uid);
		584	#elif HAVE_SETUID
		585	setgid (gid);
		586	setuid (uid);
		587	#endif
		588
		589	if (uid != geteuid ()
		590	|| gid != getegid ())
		591	rxvt_fatal ("unable to drop privileges, aborting.\n");
		592	}
		593
		594	rxvt_environ = environ;
		595
		596	signal (SIGHUP, SIG_IGN);
		597	signal (SIGPIPE, SIG_IGN);
		598
		599	sig_handlers.sw_term.start (SIGTERM);
		600	sig_handlers.sw_int.start (SIGINT);
		601
		602	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		603	/* signal (SIGURG, SIG_DFL); */
		604
		605	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		606	// TODO: handle this with exceptions and tolerate the memory loss
		607	XSetIOErrorHandler (rxvt_xioerror_handler);
		608
		609	XrmInitialize ();
468	}	610	}
469		611
470	/* ------------------------------------------------------------------------- *	612	/* ------------------------------------------------------------------------- *
471	* MEMORY ALLOCATION WRAPPERS *	613	* MEMORY ALLOCATION WRAPPERS *
472	* ------------------------------------------------------------------------- */	614	* ------------------------------------------------------------------------- */
473	/* EXTPROTO */	615	void *
474	void *
475	rxvt_malloc (size_t size)	616	rxvt_malloc (size_t size)
476	{	617	{
477	void *p;
478
479	p = malloc (size);	618	void *p = malloc (size);
		619
480	if (p)	620	if (!p)
		621	rxvt_fatal ("memory allocation failure. aborting.\n");
		622
481	return p;	623	return p;
482
483	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");
484	rxvt_clean_exit ();
485	exit (EXIT_FAILURE);
486	/* NOTREACHED */
487	}	624	}
488		625
489	/* EXTPROTO */	626	void *
490	void *
491	rxvt_calloc (size_t number, size_t size)	627	rxvt_calloc (size_t number, size_t size)
492	{	628	{
493	void *p;
494
495	p = calloc (number, size);	629	void *p = calloc (number, size);
		630
496	if (p)	631	if (!p)
		632	rxvt_fatal ("memory allocation failure. aborting.\n");
		633
497	return p;	634	return p;
498
499	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");
500	rxvt_clean_exit ();
501	exit (EXIT_FAILURE);
502	/* NOTREACHED */
503	}	635	}
504		636
505	/* EXTPROTO */	637	void *
506	void *
507	rxvt_realloc (void *ptr, size_t size)	638	rxvt_realloc (void *ptr, size_t size)
508	{	639	{
509	void *p;
510
511	if (ptr)
512	p = realloc (ptr, size);	640	void *p = realloc (ptr, size);
513	else	641
514	p = malloc (size);
515	if (p)	642	if (!p)
		643	rxvt_fatal ("memory allocation failure. aborting.\n");
		644
516	return p;	645	return p;
517
518	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");
519	rxvt_clean_exit ();
520	exit (EXIT_FAILURE);
521	/* NOTREACHED */
522	}	646	}
523
524	/* ------------------------------------------------------------------------- *
525	* PRIVILEGED OPERATIONS *
526	* ------------------------------------------------------------------------- */
527	/* take care of suid/sgid super-user (root) privileges */
528	void
529	rxvt_term::privileges (int mode)
530	{
531	#if ! defined(__CYGWIN32__)
532	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
533	/* setreuid () is the poor man's setuid (), seteuid () */
534	# define seteuid(a) setreuid(-1, (a))
535	# define setegid(a) setregid(-1, (a))
536	# define HAVE_SETEUID
537	# endif
538	# ifdef HAVE_SETEUID
539	switch (mode)
540	{
541	case IGNORE:
542	/*
543	* change effective uid/gid - not real uid/gid - so we can switch
544	* back to root later, as required
545	*/
546	seteuid (getuid ());
547	setegid (getgid ());
548	break;
549	case SAVE:
550	euid = geteuid ();
551	egid = getegid ();
552	break;
553	case RESTORE:
554	seteuid (euid);
555	setegid (egid);
556	break;
557	}
558	# else
559	switch (mode)
560	{
561	case IGNORE:
562	setuid (getuid ());
563	setgid (getgid ());
564	/* FALLTHROUGH */
565	case SAVE:
566	/* FALLTHROUGH */
567	case RESTORE:
568	break;
569	}
570	# endif
571	#endif
572	}
573
574	#ifdef UTMP_SUPPORT
575	void
576	rxvt_term::privileged_utmp (char action)
577	{
578	D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)",
579	action, next_utmp_action, getpid ()));
580	if (next_utmp_action != action || (action != SAVE && action != RESTORE)
581	|| (Options & Opt_utmpInhibit)
582	|| ttydev == NULL || *ttydev == '\0')
583	return;
584
585	privileges (RESTORE);
586	if (action == SAVE)
587	{
588	next_utmp_action = RESTORE;
589	makeutent (ttydev, rs[Rs_display_name]);
590	}
591	else
592	{ /* action == RESTORE */
593	next_utmp_action = IGNORE;
594	cleanutent ();
595	}
596	privileges (IGNORE);
597	}
598	#endif
599
600	#ifndef NO_SETOWNER_TTYDEV
601	void
602	rxvt_term::privileged_ttydev (char action)
603	{
604	D_MAIN ((stderr,
605	"privileged_ttydev (%c); waiting for: %c (pid: %d)",
606	action, next_tty_action, getpid ()));
607	if (next_tty_action != action || (action != SAVE && action != RESTORE)
608	|| ttydev == NULL || *ttydev == '\0')
609	return;
610
611	privileges (RESTORE);
612
613	if (action == SAVE)
614	{
615	next_tty_action = RESTORE;
616	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
617	/* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */
618	if (lstat (ttydev, &ttyfd_stat) < 0) /* you lose out */
619	next_tty_action = IGNORE;
620	else
621	# endif
622
623	{
624	chown (ttydev, getuid (), ttygid); /* fail silently */
625	chmod (ttydev, ttymode);
626	# ifdef HAVE_REVOKE
627	revoke (ttydev);
628	# endif
629
630	}
631	}
632	else
633	{ /* action == RESTORE */
634	next_tty_action = IGNORE;
635	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
636	chmod (ttydev, ttyfd_stat.st_mode);
637	chown (ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
638	# else
639	chmod (ttydev,
640	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
641	chown (ttydev, 0, 0);
642	# endif
643
644	}
645
646	privileges (IGNORE);
647
648	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
649	D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
650	action == RESTORE ? "Restoring" : (action ==
651	SAVE ? "Saving" :
652	"UNKNOWN ERROR for"), ttydev,
653	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
654	ttyfd_stat.st_gid));
655	# endif
656	}
657	#endif
658		647
659	/*----------------------------------------------------------------------*/	648	/*----------------------------------------------------------------------*/
660	/*	649	/*
661	* window size/position calculcations for XSizeHint and other storage.	650	* window size/position calculcations for XSizeHint and other storage.
662	* if width/height are non-zero then override calculated width/height	651	* if width/height are non-zero then override calculated width/height
663	*/	652	*/
664	void	653	void
665	rxvt_term::window_calc (unsigned int width, unsigned int height)	654	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
666	{	655	{
667	short recalc_x, recalc_y;	656	short recalc_x, recalc_y;
668	int x, y, sb_w, mb_h, flags;	657	int x, y, sb_w, flags;
669	unsigned int w, h;	658	unsigned int w, h;
670	unsigned int max_width, max_height;	659	unsigned int max_width, max_height;
		660	dDisp;
671		661
672	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	662	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
673	TermWin.ncol, TermWin.nrow, szHint.width,	663	ncol, nrow, szHint.width, szHint.height));
674	szHint.height));	664
675	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	665	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
676	szHint.win_gravity = NorthWestGravity;	666	szHint.win_gravity = NorthWestGravity;
677	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	667	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
678		668
679	recalc_x = recalc_y = 0;	669	recalc_x = recalc_y = 0;
680	flags = 0;	670	flags = 0;
		671
681	if (!parsed_geometry)	672	if (!parsed_geometry)
682	{	673	{
683	parsed_geometry = 1;	674	parsed_geometry = 1;
		675
684	if (rs[Rs_geometry])	676	if (rs[Rs_geometry])
685	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);	677	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		678
686	if (flags & WidthValue)	679	if (flags & WidthValue)
687	{	680	{
688	TermWin.ncol = BOUND_POSITIVE_INT16 (w);	681	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
689	szHint.flags |= USSize;	682	szHint.flags |= USSize;
690	}	683	}
		684
691	if (flags & HeightValue)	685	if (flags & HeightValue)
692	{	686	{
693	TermWin.nrow = BOUND_POSITIVE_INT16 (h);	687	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
694	szHint.flags |= USSize;	688	szHint.flags |= USSize;
695	}	689	}
		690
696	if (flags & XValue)	691	if (flags & XValue)
697	{	692	{
698	szHint.x = x;	693	szHint.x = x;
699	szHint.flags |= USPosition;	694	szHint.flags |= USPosition;
		695
700	if (flags & XNegative)	696	if (flags & XNegative)
701	{	697	{
702	recalc_x = 1;	698	recalc_x = 1;
703	szHint.win_gravity = NorthEastGravity;	699	szHint.win_gravity = NorthEastGravity;
704	}	700	}
705	}	701	}
		702
706	if (flags & YValue)	703	if (flags & YValue)
707	{	704	{
708	szHint.y = y;	705	szHint.y = y;
709	szHint.flags |= USPosition;	706	szHint.flags |= USPosition;
		707
710	if (flags & YNegative)	708	if (flags & YNegative)
711	{	709	{
712	recalc_y = 1;	710	recalc_y = 1;
		711
713	if (szHint.win_gravity == NorthEastGravity)	712	if (szHint.win_gravity == NorthEastGravity)
714	szHint.win_gravity = SouthEastGravity;	713	szHint.win_gravity = SouthEastGravity;
715	else	714	else
716	szHint.win_gravity = SouthWestGravity;	715	szHint.win_gravity = SouthWestGravity;
717	}	716	}
718	}	717	}
719	}	718	}
720		719
721	/* TODO: BOUNDS */	720	/* TODO: BOUNDS */
722	TermWin.width = TermWin.ncol * TermWin.fwidth;	721	width = ncol * fwidth;
723	TermWin.height = TermWin.nrow * TermWin.fheight;	722	height = nrow * fheight;
724	max_width = MAX_COLS * TermWin.fwidth;	723	max_width = MAX_COLS * fwidth;
725	max_height = MAX_ROWS * TermWin.fheight;	724	max_height = MAX_ROWS * fheight;
726		725
727	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	726	szHint.base_width = szHint.base_height = 2 * int_bwidth;
728		727
729	sb_w = mb_h = 0;	728	sb_w = 0;
730	window_vt_x = window_vt_y = 0;	729	window_vt_x = window_vt_y = int_bwidth;
731	if (scrollbar_visible ())	730
		731	if (scrollBar.state)
732	{	732	{
733	sb_w = scrollbar_TotalWidth ();	733	sb_w = scrollbar_TotalWidth ();
734	szHint.base_width += sb_w;	734	szHint.base_width += sb_w;
735	if (! (Options & Opt_scrollBar_right))	735	if (!OPTION (Opt_scrollBar_right))
736	window_vt_x = sb_w;	736	window_vt_x += sb_w;
737	}
738	if (menubar_visible ())
739	{	737	}
740	mb_h = menuBar_TotalHeight ();	738
741	szHint.base_height += mb_h;
742	window_vt_y = mb_h;
743	}
744	szHint.width_inc = TermWin.fwidth;	739	szHint.width_inc = fwidth;
745	szHint.height_inc = TermWin.fheight;	740	szHint.height_inc = fheight;
746	szHint.min_width = szHint.base_width + szHint.width_inc;	741	szHint.min_width = szHint.base_width + szHint.width_inc;
747	szHint.min_height = szHint.base_height + szHint.height_inc;	742	szHint.min_height = szHint.base_height + szHint.height_inc;
748		743
749	if (width && width - szHint.base_width < max_width)	744	if (newwidth && newwidth - szHint.base_width < max_width)
750	{	745	{
751	szHint.width = width;	746	szHint.width = newwidth;
752	TermWin.width = width - szHint.base_width;	747	width = newwidth - szHint.base_width;
753	}	748	}
754	else	749	else
755	{	750	{
756	MIN_IT (TermWin.width, max_width);	751	min_it (width, max_width);
757	szHint.width = szHint.base_width + TermWin.width;	752	szHint.width = szHint.base_width + width;
758	}	753	}
		754
759	if (height && height - szHint.base_height < max_height)	755	if (newheight && newheight - szHint.base_height < max_height)
760	{	756	{
761	szHint.height = height;	757	szHint.height = newheight;
762	TermWin.height = height - szHint.base_height;	758	height = newheight - szHint.base_height;
763	}	759	}
764	else	760	else
765	{	761	{
766	MIN_IT (TermWin.height, max_height);	762	min_it (height, max_height);
767	szHint.height = szHint.base_height + TermWin.height;	763	szHint.height = szHint.base_height + height;
768	}	764	}
769	if (scrollbar_visible () && (Options & Opt_scrollBar_right))	765
		766	if (scrollBar.state && OPTION (Opt_scrollBar_right))
770	window_sb_x = szHint.width - sb_w;	767	window_sb_x = szHint.width - sb_w;
771		768
772	if (recalc_x)	769	if (recalc_x)
773	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	770	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
774	- szHint.width - 2 * TermWin.ext_bwidth);
775	if (recalc_y)	771	if (recalc_y)
776	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	772	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
777	- szHint.height - 2 * TermWin.ext_bwidth);
778		773
779	TermWin.ncol = TermWin.width / TermWin.fwidth;	774	ncol = width / fwidth;
780	TermWin.nrow = TermWin.height / TermWin.fheight;	775	nrow = height / fheight;
781	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	776	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
782	TermWin.ncol, TermWin.nrow, szHint.width,	777	ncol, nrow, szHint.width,
783	szHint.height));	778	szHint.height));
784	return;	779	return;
785	}	780	}
786		781
787	/*----------------------------------------------------------------------*/	782	/*----------------------------------------------------------------------*/
…		…
790	* Called after a window size change.	785	* Called after a window size change.
791	*/	786	*/
792	void	787	void
793	rxvt_term::tt_winch ()	788	rxvt_term::tt_winch ()
794	{	789	{
		790	if (pty->pty < 0)
		791	return;
		792
795	struct winsize ws;	793	struct winsize ws;
796		794
797	if (cmd_fd < 0)
798	return;
799
800	ws.ws_col = TermWin.ncol;	795	ws.ws_col = ncol;
801	ws.ws_row = TermWin.nrow;	796	ws.ws_row = nrow;
802	ws.ws_xpixel = ws.ws_ypixel = 0;	797	ws.ws_xpixel = width;
803	#ifndef DEBUG_SIZE	798	ws.ws_ypixel = height;
804	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	799	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
805	#else	800
806	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	801	#if 0
807	D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	802	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
808	# ifdef SIGWINCH
809	else if (cmd_pid) /* force through to the command */	803	if (cmd_pid) /* force through to the command */
810	kill (cmd_pid, SIGWINCH);	804	kill (-cmd_pid, SIGWINCH);
811	# endif
812	#endif	805	#endif
813	}	806	}
814		807
815	/*----------------------------------------------------------------------*/	808	/*----------------------------------------------------------------------*/
816	/* rxvt_change_font () - Switch to a new font */	809	/* set_fonts () - load and set the various fonts
817	/*	810	*
818	* init = 1 - initialize	811	* init = 1 - initialize
819	*	812	*
820	* fontname == FONT_UP - switch to bigger font	813	* fontname == FONT_UP - switch to bigger font
821	* fontname == FONT_DN - switch to smaller font	814	* fontname == FONT_DN - switch to smaller font
822	*/	815	*/
823	bool	816	bool
824	rxvt_term::change_font (const char *fontname)	817	rxvt_term::set_fonts ()
825	{	818	{
826	if (fontname == FONT_UP)
827	{
828	// TODO
829	}
830	else if (fontname == FONT_DN)
831	{
832	// TODO
833	}
834	else
835	{
836	rxvt_fontset *fs = new rxvt_fontset (this);	819	rxvt_fontset *fs = new rxvt_fontset (this);
		820	rxvt_fontprop prop;
837		821
838	if (fs && fs->populate (fontname ? fontname : "fixed"))	822	if (!fs
		823	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		824	|| !fs->realize_font (1))
		825	{
		826	delete fs;
		827	return false;
		828	}
		829
		830	#if ENABLE_STYLES
		831	for (int i = RS_styleCount; --i; )
		832	if (fontset[i] != fontset[0])
		833	delete fontset[i];
		834	#endif
		835
		836	delete fontset[0];
		837	fontset[0] = fs;
		838
		839	prop = (*fs)[1]->properties ();
		840	prop.height += lineSpace;
		841	fs->set_prop (prop);
		842
		843	fwidth = prop.width;
		844	fheight = prop.height;
		845	fbase = prop.ascent;
		846
		847	for (int style = 1; style < 4; style++)
		848	{
		849	#if ENABLE_STYLES
		850	const char *res = rs[Rs_font + style];
		851
		852	if (res && !*res)
		853	fontset[style] = fontset[0];
		854	else
839	{	855	{
840	delete TermWin.fontset;	856	fontset[style] = fs = new rxvt_fontset (this);
841	TermWin.fontset = fs;	857	rxvt_fontprop prop2 = prop;
842	TermWin.fwidth = fs->base_font ()->width;
843	TermWin.fheight = fs->base_font ()->height;
844	TermWin.fbase = fs->base_font ()->ascent;
845		858
846	if (TermWin.parent[0])	859	if (res)
		860	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		861	else
847	{	862	{
848	resize_all_windows (0, 0, 0);	863	res = fontset[0]->fontdesc;
849	scr_remap_chars ();	864
850	scr_touch (true);	865	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		866	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
851	}	867	}
852		868
853	return true;	869	fs->populate (res);
		870	fs->set_prop (prop2);
854	}	871	}
		872	#else
		873	fontset[style] = fontset[0];
		874	#endif
		875	}
		876
		877	if (parent[0])
855	}	878	{
		879	resize_all_windows (0, 0, 0);
		880	scr_remap_chars ();
		881	scr_touch (true);
		882	}
856		883
857	return false;	884	return true;
858	}	885	}
859		886
860	bool	887	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
861	rxvt_term::font_up_down (int n, int direction)
862	{	888	{
863	return false;	889	XChangeProperty (display->display, parent[0],
		890	prop, XA_STRING, 8, PropModeReplace,
		891	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		892	}
		893
		894	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		895	{
		896	wchar_t *ws = rxvt_mbstowcs (str, len);
		897	char *s = rxvt_wcstoutf8 (ws);
		898
		899	XChangeProperty (display->display, parent[0],
		900	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		901	(const unsigned char *)s, strlen (s));
		902
		903	free (s);
		904	free (ws);
864	}	905	}
865		906
866	/*----------------------------------------------------------------------*/	907	/*----------------------------------------------------------------------*/
867	/*----------------------------------------------------------------------*/	908	/*----------------------------------------------------------------------*/
868	/* xterm sequences - title, iconName, color (exptl) */	909	/* xterm sequences - title, iconName, color (exptl) */
869	void	910	void
870	rxvt_term::set_title (const char *str)	911	rxvt_term::set_title (const char *str)
871	{	912	{
872	#ifndef SMART_WINDOW_TITLE	913	set_string_property (XA_WM_NAME, str);
873	XStoreName (display->display, TermWin.parent[0], str);	914	#if ENABLE_EWMH
874	#else	915	set_utf8_property (xa[XA_NET_WM_NAME], str);
875	char *name;
876
877	if (!XFetchName (display->display, TermWin.parent[0], &name))
878	name = NULL;
879
880	if (name == NULL || STRCMP (name, str))
881	XStoreName (display->display, TermWin.parent[0], str);
882
883	if (name)
884	XFree (name);
885	#endif	916	#endif
886	}	917	}
887		918
888	void	919	void
889	rxvt_term::set_icon_name (const char *str)	920	rxvt_term::set_icon_name (const char *str)
890	{	921	{
891	#ifndef SMART_WINDOW_TITLE	922	set_string_property (XA_WM_ICON_NAME, str);
892	XSetIconName (display->display, TermWin.parent[0], str);	923	#if ENABLE_EWMH
893	#else	924	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
894	char *name;
895
896	if (!XGetIconName (display->display, TermWin.parent[0], &name))
897	name = NULL;
898
899	if (name == NULL || STRCMP (name, str))
900	XSetIconName (display->display, TermWin.parent[0], str);
901
902	if (name)
903	XFree (name);
904	#endif	925	#endif
905	}	926	}
906		927
907	#ifdef XTERM_COLOR_CHANGE	928	#ifdef XTERM_COLOR_CHANGE
908	void	929	void
…		…
916		937
917	/* handle color aliases */	938	/* handle color aliases */
918	if (isdigit (*color))	939	if (isdigit (*color))
919	{	940	{
920	i = atoi (color);	941	i = atoi (color);
		942
921	if (i >= 8 && i <= 15)	943	if (i >= 8 && i <= 15)
922	{ /* bright colors */	944	{ /* bright colors */
923	i -= 8;	945	i -= 8;
924	# ifndef NO_BRIGHTCOLOR
925	PixColors[idx] = PixColors[minBrightCOLOR + i];	946	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
926	SET_PIXCOLOR (idx);	947	SET_PIXCOLOR (idx);
927	goto Done;	948	goto done;
928	# endif
929
930	}	949	}
		950
931	if (i >= 0 && i <= 7)	951	if (i >= 0 && i <= 7)
932	{ /* normal colors */	952	{ /* normal colors */
933	PixColors[idx] = PixColors[minCOLOR + i];	953	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
934	SET_PIXCOLOR (idx);	954	SET_PIXCOLOR (idx);
935	goto Done;	955	goto done;
936	}	956	}
937	}	957	}
		958
938	if (!rXParseAllocColor (& xcol, color))	959	if (!rXParseAllocColor (&xcol, color))
939	return;	960	return;
		961
940	/* XStoreColor (display->display, XCMAP, XColor*); */	962	/* XStoreColor (display->display, display->cmap, XColor*); */
941		963
942	/*	964	/*
943	* FIXME: should free colors here, but no idea how to do it so instead,	965	* FIXME: should free colors here, but no idea how to do it so instead,
944	* so just keep gobbling up the colormap	966	* so just keep gobbling up the colormap
945	*/	967	*/
946	# if 0	968	# if 0
947	for (i = Color_Black; i <= Color_White; i++)	969	for (i = Color_Black; i <= Color_White; i++)
948	if (PixColors[idx] == PixColors[i])	970	if (pix_colors[idx] == pix_colors[i])
949	break;	971	break;
950	if (i > Color_White)	972	if (i > Color_White)
951	{	973	{
952	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */	974	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
953	XFreeColors (display->display, XCMAP, (PixColors + idx), 1,	975	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
954	DisplayPlanes (display->display, display->screen));	976	DisplayPlanes (display->display, display->screen));
955	}	977	}
956	# endif	978	# endif
957		979
958	PixColors[idx] = xcol;	980	pix_colors_focused[idx] = xcol;
959	SET_PIXCOLOR (idx);	981	SET_PIXCOLOR (idx);
960		982
961	/* XSetWindowAttributes attr; */	983	/* XSetWindowAttributes attr; */
962	/* Cursor cursor; */	984	/* Cursor cursor; */
963	Done:	985	done:
964	if (idx == Color_bg && ! (Options & Opt_transparent))
965	XSetWindowBackground (display->display, TermWin.vt,
966	PixColors[Color_bg]);
967		986
		987	#if OFF_FOCUS_FADING
		988	if (rs[Rs_fade])
		989	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
		990	#endif
		991
968	/* handle Color_BD, scrollbar background, etc. */	992	/*TODO: handle Color_BD, scrollbar background, etc. */
969		993
970	set_colorfgbg ();
971	recolour_cursor ();	994	recolour_cursor ();
972	/* the only reasonable way to enforce a clean update */	995	scr_recolour ();
973	scr_poweron ();
974	}	996	}
975		997
976	#else	998	#else
977	# define set_window_color (idx,color) ((void)0)	999	# define set_window_color (idx,color) ((void)0)
978	#endif /* XTERM_COLOR_CHANGE */	1000	#endif /* XTERM_COLOR_CHANGE */
979		1001
980	void	1002	void
981	rxvt_term::recolour_cursor ()	1003	rxvt_term::recolour_cursor ()
982	{	1004	{
983	#if TODO
984	rxvt_color xcol[2];	1005	XColor xcol[2];
985		1006
986	xcol[0] = PixColors[Color_pointer];	1007	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
987	xcol[1] = PixColors[Color_bg];	1008	? pix_colors_focused[Color_pointer_fg]
		1009	: pix_colors_focused[Color_fg];
		1010	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		1011	? pix_colors_focused[Color_pointer_bg]
		1012	: pix_colors_focused[Color_bg];
		1013
988	XQueryColors (display->display, XCMAP, xcol, 2);	1014	XQueryColors (display->display, display->cmap, xcol, 2);
989	XRecolorCursor (display->display, TermWin_cursor, & (xcol[0]), & (xcol[1]));	1015	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
990	#endif
991	}	1016	}
992		1017
993	/*----------------------------------------------------------------------*/	1018	/*----------------------------------------------------------------------*/
994	/*	1019	/*
995	* find if fg/bg matches any of the normal (low-intensity) colors	1020	* find if fg/bg matches any of the normal (low-intensity) colors
996	*/	1021	*/
997	void	1022	void
998	rxvt_term::set_colorfgbg ()	1023	rxvt_term::set_colorfgbg ()
999	{	1024	{
1000	unsigned int i;	1025	unsigned int i;
1001	const char *xpmb = "\0";	1026	const char *xpmb = "\0";
1002	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];	1027	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
1003		1028
1004	env_colorfgbg =
1005	(char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);	1029	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
1006	STRCPY (fstr, "default");	1030	strcpy (fstr, "default");
1007	STRCPY (bstr, "default");	1031	strcpy (bstr, "default");
1008	for (i = Color_Black; i <= Color_White; i++)	1032	for (i = Color_Black; i <= Color_White; i++)
1009	if (PixColors[Color_fg] == PixColors[i])	1033	if (pix_colors[Color_fg] == pix_colors[i])
1010	{	1034	{
1011	sprintf (fstr, "%d", (i - Color_Black));	1035	sprintf (fstr, "%d", (i - Color_Black));
1012	break;	1036	break;
1013	}	1037	}
		1038
1014	for (i = Color_Black; i <= Color_White; i++)	1039	for (i = Color_Black; i <= Color_White; i++)
1015	if (PixColors[Color_bg] == PixColors[i])	1040	if (pix_colors[Color_bg] == pix_colors[i])
1016	{	1041	{
1017	sprintf (bstr, "%d", (i - Color_Black));	1042	sprintf (bstr, "%d", (i - Color_Black));
1018	#ifdef XPM_BACKGROUND	1043	#ifdef XPM_BACKGROUND
1019	xpmb = "default;";	1044	xpmb = "default;";
1020	#endif	1045	#endif
1021	break;	1046	break;
1022	}	1047	}
1023		1048
1024	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1049	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
1025
1026	#ifndef NO_BRIGHTCOLOR
1027	colorfgbg = DEFAULT_RSTYLE;
1028	for (i = minCOLOR; i <= maxCOLOR; i++)
1029	{
1030	if (PixColors[Color_fg] == PixColors[i])
1031	colorfgbg = SET_FGCOLOR (colorfgbg, i);
1032	if (PixColors[Color_bg] == PixColors[i])
1033	colorfgbg = SET_BGCOLOR (colorfgbg, i);
1034	}
1035	#endif
1036	}	1050	}
1037		1051
1038	/*----------------------------------------------------------------------*/	1052	/*----------------------------------------------------------------------*/
1039	/*
1040	* Colour determination for low colour displays, routine from
1041	* Hans de Goede <hans@highrise.nl>
1042	*/
1043		1053
1044	int	1054	int
1045	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	1055	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
1046	{	1056	{
1047	if (!screen_in_out->set (display, colour))	1057	if (!screen_in_out->set (display, colour))
…		…
1055		1065
1056	/* -------------------------------------------------------------------- *	1066	/* -------------------------------------------------------------------- *
1057	* - WINDOW RESIZING - *	1067	* - WINDOW RESIZING - *
1058	* -------------------------------------------------------------------- */	1068	* -------------------------------------------------------------------- */
1059	void	1069	void
1060	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	1070	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1061	{	1071	{
1062	int fix_screen;	1072	int fix_screen;
1063
1064	#ifdef SMART_RESIZE
1065	int old_width = szHint.width, old_height = szHint.height;	1073	int old_width = szHint.width, old_height = szHint.height;
1066	#endif	1074	dDisp;
1067		1075
1068	window_calc (width, height);	1076	window_calc (newwidth, newheight);
1069	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	1077	XSetWMNormalHints (disp, parent[0], &szHint);
		1078
1070	if (!ignoreparent)	1079	if (!ignoreparent)
1071	{	1080	{
1072	#ifdef SMART_RESIZE	1081	#ifdef SMART_RESIZE
1073	/*	1082	/*
1074	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1083	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
1077	int x, y, x1, y1;	1086	int x, y, x1, y1;
1078	int dx, dy;	1087	int dx, dy;
1079	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1088	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1080	Window unused_cr;	1089	Window unused_cr;
1081		1090
1082	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	1091	XTranslateCoordinates (disp, parent[0], display->root,
1083	0, 0, &x, &y, &unused_cr);	1092	0, 0, &x, &y, &unused_cr);
1084	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	1093	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
1085	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1094	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
1086	/*	1095	/*
1087	* if display->root isn't the parent window, a WM will probably have offset	1096	* if display->root isn't the parent window, a WM will probably have offset
1088	* our position for handles and decorations. Counter it	1097	* our position for handles and decorations. Counter it
1089	*/	1098	*/
…		…
1091	{	1100	{
1092	x -= x1;	1101	x -= x1;
1093	y -= y1;	1102	y -= y1;
1094	}	1103	}
1095		1104
1096	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	1105	x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
1097	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	1106	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
1098	dx = old_width - szHint.width;	1107	dx = old_width - szHint.width;
1099	dy = old_height - szHint.height;	1108	dy = old_height - szHint.height;
1100		1109
1101	/* Check position of the center of the window */	1110	/* Check position of the center of the window */
1102	if (x < x1) /* left half */	1111	if (x < x1) /* left half */
…		…
1106	if (y < y1) /* top half */	1115	if (y < y1) /* top half */
1107	dy = 0;	1116	dy = 0;
1108	else if (y == y1) /* exact center */	1117	else if (y == y1) /* exact center */
1109	dy /= 2;	1118	dy /= 2;
1110		1119
1111	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	1120	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
1112	szHint.width, szHint.height);	1121	szHint.width, szHint.height);
1113	#else	1122	#else
1114	XResizeWindow (display->display, TermWin.parent[0], szHint.width,	1123	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
1115	szHint.height);
1116	#endif	1124	#endif
1117
1118	}	1125	}
1119		1126
1120	fix_screen = (TermWin.ncol != prev_ncol	1127	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1121	|| TermWin.nrow != prev_nrow);
1122		1128
1123	if (fix_screen || width != old_width || height != old_height)	1129	if (fix_screen || newwidth != old_width || newheight != old_height)
1124	{	1130	{
1125	if (scrollbar_visible ())	1131	if (scrollBar.state)
1126	{	1132	{
1127	XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,	1133	XMoveResizeWindow (disp, scrollBar.win,
		1134	window_sb_x, 0,
1128	0, scrollbar_TotalWidth (), szHint.height);	1135	scrollbar_TotalWidth (), szHint.height);
1129	resize_scrollbar ();	1136	resize_scrollbar ();
1130	}	1137	}
1131		1138
1132	if (menubar_visible ())	1139	XMoveResizeWindow (disp, vt,
1133	XMoveResizeWindow (display->display, menuBar.win, window_vt_x,	1140	window_vt_x, window_vt_y,
1134	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
1135
1136	XMoveResizeWindow (display->display, TermWin.vt, window_vt_x,
1137	window_vt_y, TermWin_TotalWidth (),
1138	TermWin_TotalHeight ());	1141	width, height);
1139	scr_clear (height != old_height);	1142
		1143	scr_clear ();
1140	#ifdef XPM_BACKGROUND	1144	#ifdef XPM_BACKGROUND
1141	resize_pixmap ();	1145	resize_pixmap ();
1142	#endif	1146	#endif
1143
1144	}	1147	}
1145		1148
1146	if (fix_screen || old_height == 0)	1149	if (fix_screen || old_height == 0)
1147	{	1150	{
1148	int curr_screen = -1;	1151	int curr_screen = -1;
1149	int old_ncol = prev_ncol;	1152	int old_ncol = prev_ncol;
1150		1153
1151	/* scr_reset only works on the primary screen */	1154	/* scr_reset only works on the primary screen */
1152	if (old_height) /* this is not the first time through */	1155	if (old_height) /* this is not the first time through */
1153	{	1156	{
1154	unsigned int ncol = TermWin.ncol;	1157	unsigned int ocol = ncol;
1155	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this	1158	ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1156	curr_screen = scr_change_screen (PRIMARY);	1159	curr_screen = scr_change_screen (PRIMARY);
1157	TermWin.ncol = ncol;	1160	ncol = ocol;
1158	}	1161	}
1159		1162
1160	scr_reset ();	1163	scr_reset ();
1161		1164
1162	if (curr_screen >= 0) /* this is not the first time through */	1165	if (curr_screen >= 0) /* this is not the first time through */
1163	{	1166	{
1164	scr_change_screen (curr_screen);	1167	scr_change_screen (curr_screen);
1165	selection_check (old_ncol != TermWin.ncol ? 4 : 0);	1168	selection_check (old_ncol != ncol ? 4 : 0);
1166	}	1169	}
1167	}	1170	}
1168		1171
1169	old_width = szHint.width;	1172	old_width = szHint.width;
1170	old_height = szHint.height;	1173	old_height = szHint.height;
		1174
		1175	#ifdef XPM_BACKGROUND
		1176	if (pixmap)
		1177	scr_touch (false);
		1178	#endif
1171		1179
1172	#ifdef USE_XIM	1180	#ifdef USE_XIM
1173	IMSetStatusPosition ();	1181	IMSetStatusPosition ();
1174	#endif	1182	#endif
1175	}	1183	}
…		…
1177	/*	1185	/*
1178	* Set the width/height of the vt window in characters. Units are pixels.	1186	* Set the width/height of the vt window in characters. Units are pixels.
1179	* good for toggling 80/132 columns	1187	* good for toggling 80/132 columns
1180	*/	1188	*/
1181	void	1189	void
1182	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1190	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1183	{	1191	{
1184	XWindowAttributes wattr;	1192	XWindowAttributes wattr;
1185		1193
1186	if (width == 0 || height == 0)	1194	if (newwidth == 0 || newheight == 0)
1187	{	1195	{
1188	XGetWindowAttributes (display->display, display->root, &wattr);	1196	XGetWindowAttributes (display->display, display->root, &wattr);
		1197
1189	if (width == 0)	1198	if (newwidth == 0)
1190	width = wattr.width - szHint.base_width;	1199	newwidth = wattr.width - szHint.base_width;
1191	if (height == 0)	1200	if (newheight == 0)
1192	height = wattr.height - szHint.base_height;	1201	newheight = wattr.height - szHint.base_height;
1193	}
1194	if (width != TermWin.width || height != TermWin.height)
1195	{	1202	}
		1203
		1204	if (newwidth != width || newheight != height)
		1205	{
1196	width += szHint.base_width;	1206	newwidth += szHint.base_width;
1197	height += szHint.base_height;	1207	newheight += szHint.base_height;
1198	resize_all_windows (width, height, 0);	1208	resize_all_windows (newwidth, newheight, 0);
1199	}	1209	}
1200	}	1210	}
1201		1211
1202	/* -------------------------------------------------------------------- *	1212	/* -------------------------------------------------------------------- *
1203	* - X INPUT METHOD ROUTINES - *	1213	* - X INPUT METHOD ROUTINES - *
1204	* -------------------------------------------------------------------- */	1214	* -------------------------------------------------------------------- */
1205	#ifdef USE_XIM	1215	#ifdef USE_XIM
1206		1216
1207	void	1217	void
		1218	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
		1219	{
		1220	fg = pix_colors[Color_fg];
		1221	bg = pix_colors[Color_bg];
		1222	}
		1223
		1224	void
1208	rxvt_term::im_set_size (XRectangle *size)	1225	rxvt_term::im_set_size (XRectangle &size)
1209	{	1226	{
1210	size->x = TermWin.int_bwidth;	1227	// the int_bwidth terms make no sense to me
1211	size->y = TermWin.int_bwidth;	1228	size.x = int_bwidth;
1212	size->width = Width2Pixel (TermWin.ncol);	1229	size.y = int_bwidth;
1213	size->height = Height2Pixel (TermWin.nrow);	1230	size.width = Width2Pixel (ncol) + int_bwidth;
		1231	size.height = Height2Pixel (nrow) + int_bwidth;
1214	}	1232	}
1215		1233
1216	void	1234	void
1217	rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)	1235	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1236	XRectangle &status_rect,
		1237	const XRectangle &needed_rect)
1218	{	1238	{
1219	*fg = PixColors[Color_fg];	1239	preedit_rect.x = needed_rect.width;
1220	*bg = PixColors[Color_bg];	1240	preedit_rect.y = 0;
		1241	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1242	preedit_rect.height = fheight;
		1243
		1244	status_rect.x = 0;
		1245	status_rect.y = 0;
		1246	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1247	status_rect.height = fheight;
1221	}	1248	}
1222		1249
1223	/* Checking whether input method is running. */	1250	/* Checking whether input method is running. */
1224	bool	1251	bool
1225	rxvt_term::IMisRunning ()	1252	rxvt_term::IMisRunning ()
1226	{	1253	{
1227	char *p;	1254	char *p;
1228	Atom atom;	1255	Atom atom;
1229	Window win;	1256	Window win;
1230	char server[IMBUFSIZ];	1257	char server[IMBUFSIZ];
1231		1258
1232	/* get current locale modifier */	1259	/* get current locale modifier */
1233	if ((p = XSetLocaleModifiers (NULL)) != NULL)	1260	if ((p = XSetLocaleModifiers (NULL)) != NULL)
1234	{	1261	{
1235	STRCPY (server, "@server=");	1262	strcpy (server, "@server=");
1236	STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1263	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1264
1237	if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */	1265	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1238	*p = '\0';	1266	*p = '\0';
1239		1267
1240	atom = XInternAtom (display->display, server, False);	1268	atom = XInternAtom (display->display, server, False);
1241	win = XGetSelectionOwner (display->display, atom);	1269	win = XGetSelectionOwner (display->display, atom);
		1270
1242	if (win != None)	1271	if (win != None)
1243	return True;	1272	return True;
1244	}	1273	}
		1274
1245	return False;	1275	return False;
1246	}	1276	}
1247		1277
1248	void	1278	void
1249	rxvt_term::IMSendSpot ()	1279	rxvt_term::IMSendSpot ()
1250	{	1280	{
1251	XPoint spot;	1281	XPoint nspot;
1252	XVaNestedList preedit_attr;	1282	XVaNestedList preedit_attr;
1253		1283
1254	if (Input_Context == NULL	1284	if (!Input_Context
		1285	|| !focus
1255	|| !TermWin.focus || ! (input_style & XIMPreeditPosition)	1286	|| !(input_style & XIMPreeditPosition))
1256	|| ! (event_type == KeyPress
1257	|| event_type == Expose
1258	|| event_type == NoExpose
1259	|| event_type == SelectionNotify
1260	|| event_type == ButtonRelease || event_type == FocusIn)
1261	|| !IMisRunning ())
1262	return;	1287	return;
1263		1288
1264	im_set_position (&spot);	1289	im_set_position (nspot);
		1290
		1291	if (nspot.x == spot.x && nspot.y == spot.y)
		1292	return;
		1293
		1294	spot = nspot;
1265		1295
1266	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);	1296	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1267	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1297	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1268	XFree (preedit_attr);	1298	XFree (preedit_attr);
1269	}	1299	}
1270		1300
1271	void	1301	void
1272	rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,
1273	XRectangle * needed_rect)
1274	{
1275	int mbh, vtx = 0;
1276
1277	if (scrollbar_visible () && ! (Options & Opt_scrollBar_right))
1278	vtx = scrollbar_TotalWidth ();
1279
1280	mbh = menubar_visible () ? menuBar_TotalHeight () : 0;
1281	mbh -= TermWin.lineSpace;
1282
1283	preedit_rect->x = needed_rect->width + vtx;
1284	preedit_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1285
1286	preedit_rect->width = Width2Pixel (TermWin.ncol + 1) - needed_rect->width + vtx;
1287	preedit_rect->height = Height2Pixel (1);
1288
1289	status_rect->x = vtx;
1290	status_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1291
1292	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel (TermWin.ncol + 1);
1293	status_rect->height = Height2Pixel (1);
1294	}
1295
1296	void
1297	rxvt_term::im_destroy ()	1302	rxvt_term::im_destroy ()
1298	{	1303	{
1299	if (Input_Context)
1300	{
1301	XDestroyIC (Input_Context);
1302	Input_Context = NULL;
1303	}
1304
1305	if (input_method)	1304	if (input_method)
1306	{	1305	{
		1306	if (Input_Context && input_method->xim)
		1307	XDestroyIC (Input_Context);
		1308
1307	display->put_xim (input_method);	1309	display->put_xim (input_method);
1308	input_method = 0;	1310	input_method = 0;
1309	}	1311	}
		1312
		1313	Input_Context = 0;
1310	}	1314	}
1311		1315
1312	/*	1316	/*
1313	* Try to open a XIM with the current modifiers, then see if we can	1317	* Try to open a XIM with the current modifiers, then see if we can
1314	* open a suitable preedit type	1318	* open a suitable preedit type
1315	*/	1319	*/
1316	bool	1320	bool
1317	rxvt_term::IM_get_IC (const char *modifiers)	1321	rxvt_term::IM_get_IC (const char *modifiers)
1318	{	1322	{
1319	int i, j, found;	1323	int i, j, found;
1320	XIM xim;	1324	XIM xim;
1321	XPoint spot;	1325	XPoint spot;
1322	XRectangle rect, status_rect, needed_rect;	1326	XRectangle rect, status_rect, needed_rect;
1323	unsigned long fg, bg;	1327	unsigned long fg, bg;
1324	const char *p;	1328	const char *p;
1325	char **s;	1329	char **s;
1326	XIMStyles *xim_styles;	1330	XIMStyles *xim_styles;
1327	XVaNestedList preedit_attr, status_attr;	1331
		1332	set_environ (envv);
1328		1333
1329	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))	1334	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1330	return false;	1335	return false;
1331		1336
1332	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));	1337	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1333	input_method = display->get_xim (locale, modifiers);	1338	input_method = display->get_xim (locale, modifiers);
1334	if (input_method == NULL)	1339	if (input_method == NULL)
1335	return false;	1340	return false;
1336		1341
1337	xim = input_method->xim;	1342	xim = input_method->xim;
		1343	spot.x = spot.y = -1;
1338		1344
1339	xim_styles = NULL;	1345	xim_styles = NULL;
1340	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1346	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1341	|| !xim_styles || !xim_styles->count_styles)	1347	|| !xim_styles || !xim_styles->count_styles)
1342	{	1348	{
1343	display->put_xim (input_method);	1349	im_destroy ();
1344	return false;	1350	return false;
1345	}	1351	}
1346		1352
1347	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";	1353	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1354
		1355	for (int pi = 0; pi < 2; pi++)
		1356	{
		1357	p = pet[pi];
		1358
		1359	if (!p)
		1360	continue;
		1361
1348	s = rxvt_splitcommastring (p);	1362	s = rxvt_splitcommastring (p);
		1363
1349	for (i = found = 0; !found && s[i]; i++)	1364	for (i = found = 0; !found && s[i]; i++)
1350	{	1365	{
1351	if (!STRCMP (s[i], "OverTheSpot"))	1366	if (!strcmp (s[i], "OverTheSpot"))
1352	input_style = (XIMPreeditPosition | XIMStatusNothing);	1367	input_style = (XIMPreeditPosition | XIMStatusNothing);
1353	else if (!STRCMP (s[i], "OffTheSpot"))	1368	else if (!strcmp (s[i], "OffTheSpot"))
1354	input_style = (XIMPreeditArea | XIMStatusArea);	1369	input_style = (XIMPreeditArea | XIMStatusArea);
1355	else if (!STRCMP (s[i], "Root"))	1370	else if (!strcmp (s[i], "Root"))
1356	input_style = (XIMPreeditNothing | XIMStatusNothing);	1371	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1372	else if (!strcmp (s[i], "None"))
		1373	input_style = (XIMPreeditNone | XIMStatusNone);
1357		1374
1358	for (j = 0; j < xim_styles->count_styles; j++)	1375	for (j = 0; j < xim_styles->count_styles; j++)
1359	if (input_style == xim_styles->supported_styles[j])	1376	if (input_style == xim_styles->supported_styles[j])
1360	{	1377	{
		1378	rxvt_freecommastring (s);
		1379
1361	found = 1;	1380	found = 1;
1362	break;	1381	goto foundpet;
		1382	}
		1383
1363	}	1384	}
1364	}
1365		1385
1366	for (i = 0; s[i]; i++)	1386	rxvt_freecommastring (s);
1367	free (s[i]);	1387	}
1368		1388
1369	free (s);	1389	foundpet:
		1390
1370	XFree (xim_styles);	1391	XFree (xim_styles);
1371		1392
1372	if (!found)	1393	if (!found)
1373	{	1394	{
1374	display->put_xim (input_method);	1395	im_destroy ();
1375	return false;	1396	return false;
1376	}	1397	}
1377		1398
1378	preedit_attr = status_attr = NULL;	1399	XFontSet fs = 0;
		1400	XVaNestedList preedit_attr = 0, status_attr = 0;
		1401
		1402	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1403	{
		1404	// fake us a font-set, please
		1405	char **missing_charset_list;
		1406	int missing_charset_count;
		1407	char *def_string;
		1408	char pat[512];
		1409
		1410	sprintf (pat,
		1411	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1412	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1413	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1414	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1415	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1416	"*",
		1417	fheight,
		1418	fheight + 1, fheight - 1,
		1419	fheight - 2, fheight + 2);
		1420
		1421	fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1422	&missing_charset_list, &missing_charset_count, &def_string);
		1423
		1424	if (missing_charset_list)
		1425	XFreeStringList (missing_charset_list);
		1426
		1427	if (!fs)
		1428	{
		1429	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1430	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1431	}
		1432	}
1379		1433
1380	if (input_style & XIMPreeditPosition)	1434	if (input_style & XIMPreeditPosition)
1381	{	1435	{
1382	im_set_size (&rect);	1436	im_set_size (rect);
1383	im_set_position (&spot);	1437	im_set_position (spot);
1384	im_set_color (&fg, &bg);	1438	im_set_color (fg, bg);
1385		1439
1386	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1440	preedit_attr = XVaCreateNestedList (0,
		1441	XNForeground, fg,
		1442	XNBackground, bg,
		1443	XNArea, &rect,
1387	XNSpotLocation, &spot,	1444	XNSpotLocation, &spot,
1388	XNForeground, fg, XNBackground, bg,
1389	//XNFontSet, TermWin.fontset,	1445	XNFontSet, fs,
1390	NULL);	1446	NULL);
1391	}	1447	}
1392	else if (input_style & XIMPreeditArea)	1448	else if (input_style & XIMPreeditArea)
1393	{	1449	{
1394	im_set_color (&fg, &bg);	1450	im_set_color (fg, bg);
1395		1451
1396	/*	1452	/*
1397	* The necessary width of preedit area is unknown	1453	* The necessary width of preedit area is unknown
1398	* until create input context.	1454	* until create input context.
1399	*/	1455	*/
1400	needed_rect.width = 0;	1456	needed_rect.width = 0;
1401
1402	im_set_preedit_area (&rect, &status_rect, &needed_rect);	1457	im_set_preedit_area (rect, status_rect, needed_rect);
1403		1458
1404	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1459	preedit_attr = XVaCreateNestedList (0,
		1460	XNForeground, fg,
1405	XNForeground, fg, XNBackground, bg,	1461	XNBackground, bg,
		1462	XNArea, &rect,
		1463	XNFontSet, fs,
		1464	NULL);
		1465	status_attr = XVaCreateNestedList (0,
		1466	XNForeground, fg,
		1467	XNBackground, bg,
		1468	XNArea, &status_rect,
1406	//XNFontSet, TermWin.fontset,	1469	XNFontSet, fs,
1407	NULL);	1470	NULL);
1408	status_attr = XVaCreateNestedList (0, XNArea, &status_rect,
1409	XNForeground, fg, XNBackground, bg,
1410	//XNFontSet, TermWin.fontset,
1411	NULL);
1412	}	1471	}
1413		1472
1414	Input_Context = XCreateIC (xim, XNInputStyle, input_style,	1473	Input_Context = XCreateIC (xim,
		1474	XNInputStyle, input_style,
1415	XNClientWindow, TermWin.parent[0],	1475	XNClientWindow, vt,
1416	XNFocusWindow, TermWin.parent[0],	1476	XNFocusWindow, parent[0],
1417	preedit_attr ? XNPreeditAttributes : NULL,	1477	preedit_attr ? XNPreeditAttributes : NULL,
1418	preedit_attr,	1478	preedit_attr,
1419	status_attr ? XNStatusAttributes : NULL,	1479	status_attr ? XNStatusAttributes : NULL,
1420	status_attr, NULL);	1480	status_attr, NULL);
		1481
1421	if (preedit_attr) XFree (preedit_attr);	1482	if (preedit_attr) XFree (preedit_attr);
1422	if (status_attr) XFree (status_attr);	1483	if (status_attr) XFree (status_attr);
		1484	if (fs) XFreeFontSet (display->display, fs);
1423		1485
1424	if (Input_Context == NULL)	1486	if (Input_Context == NULL)
1425	{	1487	{
1426	rxvt_warn ("failed to create input context, continuing without XIM.\n");	1488	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1427	display->put_xim (input_method);	1489	im_destroy ();
1428	return false;	1490	return false;
1429	}	1491	}
1430		1492
1431	if (input_style & XIMPreeditArea)	1493	if (input_style & XIMPreeditArea)
1432	IMSetStatusPosition ();	1494	IMSetStatusPosition ();
…		…
1436	}	1498	}
1437		1499
1438	void	1500	void
1439	rxvt_term::im_cb ()	1501	rxvt_term::im_cb ()
1440	{	1502	{
1441	int i, found, had_im;	1503	int i;
1442	const char *p;	1504	const char *p;
1443	char **s;	1505	char **s;
1444	char buf[IMBUFSIZ];	1506	char buf[IMBUFSIZ];
1445		1507
		1508	make_current ();
		1509
1446	im_destroy ();	1510	im_destroy ();
1447		1511
1448	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));	1512	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1449	if (Input_Context)	1513	if (Input_Context)
1450	return;	1514	return;
…		…
1458	if (p && *p)	1522	if (p && *p)
1459	{	1523	{
1460	bool found = false;	1524	bool found = false;
1461		1525
1462	s = rxvt_splitcommastring (p);	1526	s = rxvt_splitcommastring (p);
		1527
1463	for (i = 0; s[i]; i++)	1528	for (i = 0; s[i]; i++)
1464	{	1529	{
1465	if (*s[i])	1530	if (*s[i])
1466	{	1531	{
1467	STRCPY (buf, "@im=");	1532	strcpy (buf, "@im=");
1468	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1533	strncat (buf, s[i], IMBUFSIZ - 5);
1469	if (IM_get_IC (buf))	1534	if (IM_get_IC (buf))
1470	{	1535	{
1471	found = true;	1536	found = true;
1472	break;	1537	break;
1473	}	1538	}
1474	}	1539	}
1475	}	1540	}
1476	for (i = 0; s[i]; i++)	1541
1477	free (s[i]);	1542	rxvt_freecommastring (s);
1478	free (s);
1479		1543
1480	if (found)	1544	if (found)
1481	goto done;	1545	goto done;
1482	}	1546	}
1483		1547
…		…
1497	}	1561	}
1498		1562
1499	void	1563	void
1500	rxvt_term::IMSetStatusPosition ()	1564	rxvt_term::IMSetStatusPosition ()
1501	{	1565	{
1502	XRectangle preedit_rect, status_rect, *needed_rect;	1566	XRectangle preedit_rect, status_rect, *needed_rect;
1503	XVaNestedList preedit_attr, status_attr;	1567	XVaNestedList preedit_attr, status_attr;
1504		1568
1505	if (Input_Context == NULL	1569	if (!Input_Context
		1570	|| !focus
1506	|| !TermWin.focus || ! (input_style & XIMPreeditArea)	1571	|| !(input_style & XIMPreeditArea)
1507	|| !IMisRunning ())	1572	|| !IMisRunning ())
1508	return;	1573	return;
1509		1574
1510	/* Getting the necessary width of preedit area */	1575	/* Getting the necessary width of preedit area */
1511	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);	1576	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1512	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);	1577	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1513	XFree (status_attr);	1578	XFree (status_attr);
1514		1579
1515	im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);	1580	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1581	XFree (needed_rect);
1516		1582
1517	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);	1583	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1518	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);	1584	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1519		1585
1520	XSetICValues (Input_Context,	1586	XSetICValues (Input_Context,
1521	XNPreeditAttributes, preedit_attr,	1587	XNPreeditAttributes, preedit_attr,
1522	XNStatusAttributes, status_attr, NULL);	1588	XNStatusAttributes, status_attr, NULL);
1523		1589
1524	XFree (preedit_attr);	1590	XFree (preedit_attr);
1525	XFree (status_attr);	1591	XFree (status_attr);
1526	}	1592	}
1527	#endif /* USE_XIM */	1593	#endif /* USE_XIM */
1528		1594
1529	/*----------------------------------------------------------------------*/
1530	rxvt_t rxvt_current_term;
1531
1532	/*----------------------- end-of-file (C source) -----------------------*/	1595	/*----------------------- end-of-file (C source) -----------------------*/

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