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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.65 by pcg, Fri Apr 2 15:15:26 2004 UTC vs.
Revision 1.192 by root, Fri Jan 20 12:16:28 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>
48
49	vector<rxvt_term *> rxvt_term::termlist;	51	vector<rxvt_term *> rxvt_term::termlist;
50		52
		53	// used to tell global functions which terminal instance is "active"
		54	rxvt_t rxvt_current_term;
		55
51	static char curlocale[128];	56	static char curlocale[128], savelocale[128];
52		57
53	bool	58	bool
54	rxvt_set_locale (const char *locale)	59	rxvt_set_locale (const char *locale) NOTHROW
55	{	60	{
56	if (!locale || !STRNCMP (locale, curlocale, 128))	61	if (!locale || !strncmp (locale, curlocale, 128))
57	return false;	62	return false;
58		63
59	STRNCPY (curlocale, locale, 128);	64	strncpy (curlocale, locale, 128);
60	setlocale (LC_CTYPE, curlocale);	65	setlocale (LC_CTYPE, curlocale);
61	return true;	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);
62	}	80	}
63		81
64	#if ENABLE_COMBINING	82	#if ENABLE_COMBINING
65	class rxvt_composite_vec rxvt_composite;	83	class rxvt_composite_vec rxvt_composite;
66		84
…		…
123	return len;	141	return len;
124		142
125	}	143	}
126	#endif	144	#endif
127		145
128	void *
129	rxvt_term::operator new (size_t s)
130	{
131	void *p = malloc (s);
132
133	MEMSET (p, 0, s);
134	return p;
135	}
136
137	void
138	rxvt_term::operator delete (void *p, size_t s)
139	{
140	free (p);
141	}
142
143	rxvt_term::rxvt_term ()	146	rxvt_term::rxvt_term ()
144	:	147	:
		148	#if TRANSPARENT
145	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
146	termwin_ev (this, &rxvt_term::x_cb),	175	termwin_ev (this, &rxvt_term::x_cb),
147	vt_ev (this, &rxvt_term::x_cb),	176	vt_ev (this, &rxvt_term::x_cb),
148	#ifdef HAVE_SCROLLBARS
149	scrollbar_ev (this, &rxvt_term::x_cb),
150	#endif
151	#ifdef MENUBAR
152	menubar_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	#ifdef POINTER_BLANK
161	pointer_ev (this, &rxvt_term::pointer_cb),
162	#endif
163	#ifdef USE_XIM
164	im_ev (this, &rxvt_term::im_cb),	177	child_ev (this, &rxvt_term::child_cb),
165	#endif
166	check_ev (this, &rxvt_term::check_cb),	178	check_ev (this, &rxvt_term::check_cb),
		179	flush_ev (this, &rxvt_term::flush_cb),
167	destroy_ev (this, &rxvt_term::destroy_cb),	180	destroy_ev (this, &rxvt_term::destroy_cb),
168	pty_ev (this, &rxvt_term::pty_cb),	181	pty_ev (this, &rxvt_term::pty_cb),
169	incr_ev (this, &rxvt_term::incr_cb)	182	incr_ev (this, &rxvt_term::incr_cb)
170	{	183	{
171	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;	184	cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
172		185
173	termlist.push_back (this);	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;
174	}	201	}
175		202
176	rxvt_term::~rxvt_term ()	203	rxvt_term::~rxvt_term ()
177	{	204	{
178	termlist.erase (find (termlist.begin (), termlist.end(), this));	205	termlist.erase (find (termlist.begin (), termlist.end(), this));
179		206
180	if (cmd_fd >= 0)	207	emergency_cleanup ();
181	close (cmd_fd);
182		208
183	#ifndef NO_SETOWNER_TTYDEV	209	#if ENABLE_STYLES
184	privileged_ttydev (RESTORE);	210	for (int i = RS_styleCount; --i; )
		211	if (fontset[i] != fontset[0])
		212	delete fontset[i];
185	#endif	213	#endif
186	#ifdef UTMP_SUPPORT
187	privileged_utmp (RESTORE);
188	#endif
189
190	delete TermWin.fontset;	214	delete fontset[0];
191		215
192	if (display)	216	if (display)
193	{	217	{
		218	dDisp;
		219
194	selection_clear ();	220	selection_clear ();
195		221
196	#ifdef MENUBAR	222	#ifdef USE_XIM
197	if (menubarGC) XFreeGC (display->display, menubarGC);	223	im_destroy ();
198	#endif	224	#endif
199	#ifdef XTERM_SCROLLBAR	225	#ifdef XTERM_SCROLLBAR
200	if (xscrollbarGC) XFreeGC (display->display, xscrollbarGC);	226	if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
201	if (ShadowGC) XFreeGC (display->display, ShadowGC);	227	if (ShadowGC) XFreeGC (disp, ShadowGC);
202	#endif	228	#endif
203	#ifdef PLAIN_SCROLLBAR	229	#ifdef PLAIN_SCROLLBAR
204	if (pscrollbarGC) XFreeGC (display->display, pscrollbarGC);	230	if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
205	#endif	231	#endif
206	#ifdef NEXT_SCROLLBAR	232	#ifdef NEXT_SCROLLBAR
207	if (blackGC) XFreeGC (display->display, blackGC);	233	if (blackGC) XFreeGC (disp, blackGC);
208	if (whiteGC) XFreeGC (display->display, whiteGC);	234	if (whiteGC) XFreeGC (disp, whiteGC);
209	if (grayGC) XFreeGC (display->display, grayGC);	235	if (grayGC) XFreeGC (disp, grayGC);
210	if (darkGC) XFreeGC (display->display, darkGC);	236	if (darkGC) XFreeGC (disp, darkGC);
211	if (stippleGC) XFreeGC (display->display, stippleGC);	237	if (stippleGC) XFreeGC (disp, stippleGC);
212	if (dimple) XFreePixmap (display->display, dimple);	238	if (dimple) XFreePixmap (disp, dimple);
213	if (upArrow) XFreePixmap (display->display, upArrow);	239	if (upArrow) XFreePixmap (disp, upArrow);
214	if (downArrow) XFreePixmap (display->display, downArrow);	240	if (downArrow) XFreePixmap (disp, downArrow);
215	if (upArrowHi) XFreePixmap (display->display, upArrowHi);	241	if (upArrowHi) XFreePixmap (disp, upArrowHi);
216	if (downArrowHi) XFreePixmap (display->display, downArrowHi);	242	if (downArrowHi) XFreePixmap (disp, downArrowHi);
217	#endif	243	#endif
218	#if defined(MENUBAR) || defined(RXVT_SCROLLBAR)	244	#ifdef RXVT_SCROLLBAR
219	if (topShadowGC) XFreeGC (display->display, topShadowGC);	245	if (topShadowGC) XFreeGC (disp, topShadowGC);
220	if (botShadowGC) XFreeGC (display->display, botShadowGC);	246	if (botShadowGC) XFreeGC (disp, botShadowGC);
221	if (scrollbarGC) XFreeGC (display->display, scrollbarGC);	247	if (scrollbarGC) XFreeGC (disp, scrollbarGC);
222	#endif	248	#endif
223	if (TermWin.gc) XFreeGC (display->display, TermWin.gc);	249	if (gc) XFreeGC (disp, gc);
224		250
225	#if defined(MENUBAR) && (MENUBAR_MAX > 1)
226	delete menuBar.drawable;	251	delete drawable;
227	//if (menuBar.win)
228	// XDestroyWindow (display->display, menuBar.win);
229	#endif
230	delete TermWin.drawable;
231	// destroy all windows	252	// destroy all windows
232	if (TermWin.parent[0])	253	if (parent[0])
233	XDestroyWindow (display->display, TermWin.parent[0]);	254	XDestroyWindow (disp, parent[0]);
234	}	255	}
235		256
236	// TODO: free pixcolours, colours should become part of rxvt_display	257	// TODO: free pixcolours, colours should become part of rxvt_display
237		258	delete pix_colors_focused;
238	delete PixColors;	259	#if OFF_FOCUS_FADING
		260	delete pix_colors_unfocused;
		261	#endif
239		262
240	displays.put (display);	263	displays.put (display);
241		264
242	scr_release ();	265	scr_release ();
243		266
244	/* clear all resources */	267	/* clear all resources */
245	for (int i = 0; i < allocated.size (); i++)	268	for (int i = 0; i < allocated.size (); i++)
246	free (allocated[i]);	269	free (allocated [i]);
247		270
248	free (selection.text);	271	free (selection.text);
249	// TODO: manage env vars in child only(!)	272	// TODO: manage env vars in child only(!)
250	free (env_windowid);	273	free (env_windowid);
251	free (env_display);	274	free (env_display);
252	free (env_term);	275	free (env_term);
253	free (env_colorfgbg);	276	free (env_colorfgbg);
254	free (locale);	277	free (locale);
255	#if 0	278	free (v_buffer);
256	free (codeset);	279	free (incr_buf);
257	#endif
258		280
259	delete envv;	281	delete envv;
260	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 ();
261	}	299	}
262		300
263	void	301	void
264	rxvt_term::destroy ()	302	rxvt_term::destroy ()
265	{	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
266	if (display)	314	if (display)
267	{	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
268	rootwin_ev.stop (display);	323	rootwin_ev.stop (display);
		324	#endif
		325	incr_ev.stop ();
269	termwin_ev.stop (display);	326	termwin_ev.stop (display);
270	vt_ev.stop (display);	327	vt_ev.stop (display);
271	#ifdef USE_XIM
272	im_destroy ();
273	im_ev.stop (display);
274	#endif
275	#ifdef HAVE_SCROLLBARS
276	scrollbar_ev.stop (display);
277	#endif
278	#ifdef MENUBAR
279	menubar_ev.stop (display);
280	#endif
281	}	328	}
282		329
283	check_ev.stop ();	330	check_ev.stop ();
284	pty_ev.stop ();	331	pty_ev.stop ();
285	#ifdef CURSOR_BLINK	332	#ifdef CURSOR_BLINK
286	cursor_blink_ev.stop ();	333	cursor_blink_ev.stop ();
287	#endif	334	#endif
288	#ifdef TEXT_BLINK	335	#ifdef TEXT_BLINK
289	text_blink_ev.stop ();	336	text_blink_ev.stop ();
290	#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
291	#ifdef POINTER_BLANK	344	#ifdef POINTER_BLANK
292	pointer_ev.stop ();	345	pointer_ev.stop ();
293	#endif	346	#endif
294		347
295	destroy_ev.start (0);	348	destroy_ev.start (0);
296	}	349	}
297		350
298	void	351	void
299	rxvt_term::destroy_cb (time_watcher &w)	352	rxvt_term::destroy_cb (time_watcher &w)
300	{	353	{
301	SET_R (this);	354	make_current ();
302		355
303	delete this;	356	delete this;
304	}
305
306	/*----------------------------------------------------------------------*/
307	/* rxvt_init () */
308	bool
309	rxvt_term::init (int argc, const char *const *argv)
310	{
311	SET_R (this);
312
313	if (!init_vars ())
314	return false;
315
316	/*
317	* Save and then give up any super-user privileges
318	* If we need privileges in any area then we must specifically request it.
319	* We should only need to be root in these cases:
320	* 1. write utmp entries on some systems
321	* 2. chown tty on some systems
322	*/
323	privileges (SAVE);
324	privileges (IGNORE);
325
326	init_secondary ();
327
328	const char **cmd_argv = init_resources (argc, argv);
329
330	set_locale ("");
331
332	#if MENUBAR_MAX
333	menubar_read (rs[Rs_menu]);
334	#endif
335	#ifdef HAVE_SCROLLBARS
336	if (Options & Opt_scrollBar)
337	scrollBar.setIdle (); /* set existence for size calculations */
338	#endif
339
340	create_windows (argc, argv);
341
342	init_xlocale ();
343
344	scr_reset (); /* initialize screen */
345
346	#if 0
347	XSynchronize (display->display, True);
348	#endif
349
350	#ifdef HAVE_SCROLLBARS
351	if (Options & Opt_scrollBar)
352	resize_scrollbar (); /* create and map scrollbar */
353	#endif
354	#if (MENUBAR_MAX)
355	if (menubar_visible ())
356	XMapWindow (display->display, menuBar.win);
357	#endif
358	#ifdef TRANSPARENT
359	if (Options & Opt_transparent)
360	{
361	XSelectInput (display->display, display->root, PropertyChangeMask);
362	check_our_parents ();
363	}
364	#endif
365
366	rootwin_ev.start (display, display->root);
367
368	XMapWindow (display->display, TermWin.vt);
369	XMapWindow (display->display, TermWin.parent[0]);
370
371	init_command (cmd_argv);
372
373	pty_ev.start (cmd_fd, EVENT_READ);
374
375	check_ev.start ();
376
377	return true;
378	}
379
380	static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
381
382	void
383	rxvt_init_signals ()
384	{
385	/* install exit handler for cleanup */
386	#if 0
387	#ifdef HAVE_ATEXIT
388	atexit (rxvt_clean_exit);
389	#else
390	#endif
391	#endif
392
393	struct sigaction sa;
394
395	sigfillset (&sa.sa_mask);
396	sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
397	sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
398	sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
399	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
400	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
401	sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
402	sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
403
404	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
405	/* signal (SIGURG, SIG_DFL); */
406
407	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
408	//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
409	}
410
411	/* ------------------------------------------------------------------------- *
412	* SIGNAL HANDLING & EXIT HANDLER *
413	* ------------------------------------------------------------------------- */
414	/*
415	* Catch a SIGCHLD signal and exit if the direct child has died
416	*/
417
418	void rxvt_term::child_exited (int pid)
419	{
420	for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
421	if (pid == (*t)->cmd_pid)
422	{
423	(*t)->destroy ();
424	break;
425	}
426	}
427
428	/* ARGSUSED */
429	/* EXTPROTO */
430	RETSIGTYPE
431	rxvt_Child_signal (int sig __attribute__ ((unused)))
432	{
433	int pid, save_errno = errno;
434
435	while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
436	rxvt_term::child_exited (pid);
437
438	errno = save_errno;
439	}
440
441	/*
442	* Catch a fatal signal and tidy up before quitting
443	*/
444	/* EXTPROTO */
445	RETSIGTYPE
446	rxvt_Exit_signal (int sig)
447	{
448	signal (sig, SIG_DFL);
449	#ifdef DEBUG_CMD
450	rxvt_warn ("caught signal %d, exiting.\n", sig);
451	#endif
452	rxvt_clean_exit ();
453	kill (getpid (), sig);
454	}
455
456	/* INTPROTO */
457	int
458	rxvt_xerror_handler (Display *display, XErrorEvent *event)
459	{
460	if (GET_R->allowedxerror == -1)
461	GET_R->allowedxerror = event->error_code;
462	else
463	{
464	old_xerror_handler (display, event);
465	GET_R->destroy ();
466	}
467
468	return 0;
469	}	357	}
470		358
471	/*----------------------------------------------------------------------*/	359	/*----------------------------------------------------------------------*/
472	/*	360	/*
473	* Exit gracefully, clearing the utmp entry and restoring tty attributes	361	* Exit gracefully, clearing the utmp entry and restoring tty attributes
474	* 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
475	*/	363	*/
476	/* 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	#ifdef HAVE_SCROLLBARS
		470	if (OPTION (Opt_scrollBar))
		471	scrollBar.setIdle (); /* set existence for size calculations */
		472	#endif
		473
		474	pty = rxvt_new_ptytty ();
		475
		476	create_windows (argc, argv);
		477
		478	dDisp;
		479
		480	init_xlocale ();
		481
		482	scr_reset (); // initialize screen
		483
		484	#if 0
		485	XSynchronize (disp, True);
		486	#endif
		487
		488	#ifdef HAVE_SCROLLBARS
		489	if (OPTION (Opt_scrollBar))
		490	resize_scrollbar (); /* create and map scrollbar */
		491	#endif
		492	#ifdef TRANSPARENT
		493	if (OPTION (Opt_transparent))
		494	{
		495	XSelectInput (disp, display->root, PropertyChangeMask);
		496	check_our_parents ();
		497	rootwin_ev.start (display, display->root);
		498	}
		499	#endif
		500
		501	set_colorfgbg ();
		502
		503	init_command (cmd_argv);
		504
		505	free (cmd_argv);
		506
		507	if (pty->pty >= 0)
		508	pty_ev.start (pty->pty, EVENT_READ);
		509
		510	check_ev.start ();
		511
		512	HOOK_INVOKE ((this, HOOK_START, DT_END));
		513
		514	XMapWindow (disp, vt);
		515	XMapWindow (disp, parent[0]);
		516
		517	return true;
		518	}
		519
		520	static struct sig_handlers
		521	{
		522	sig_watcher sw_term, sw_int;
		523
		524	/*
		525	* Catch a fatal signal and tidy up before quitting
		526	*/
477	void	527	void
478	rxvt_clean_exit ()	528	sig_term (sig_watcher &w)
		529	{
		530	#ifdef DEBUG_CMD
		531	rxvt_warn ("caught signal %d, exiting.\n", w.signum);
		532	#endif
		533	rxvt_emergency_cleanup ();
		534	signal (w.signum, SIG_DFL);
		535	kill (getpid (), w.signum);
		536	}
		537
		538	sig_handlers ()
		539	: sw_term (this, &sig_handlers::sig_term),
		540	sw_int (this, &sig_handlers::sig_term)
		541	{
		542	}
		543	} sig_handlers;
		544
		545	char **rxvt_environ; // startup environment
		546
		547	void
		548	rxvt_init ()
479	{	549	{
480	// TODO: rxvtd should clean up all ressources	550	uid_t uid = getuid ();
481	if (GET_R)	551	gid_t gid = getgid ();
482	GET_R->destroy ();	552
		553	// before doing anything else, check for setuid/setgid operation,
		554	// start the helper process and drop privileges
		555	if (uid != geteuid ()
		556	|| gid != getegid ())
		557	{
		558	#if PTYTTY_HELPER
		559	rxvt_ptytty_server ();
		560	#else
		561	rxvt_warn ("running setuid/setgid without pty helper compiled in, continuing unprivileged.\n");
		562	#endif
		563
		564	// drop privileges
		565	#if HAVE_SETRESUID
		566	setresgid (gid, gid, gid);
		567	setresuid (uid, uid, uid);
		568	#elif HAVE_SETREUID
		569	setregid (gid, gid);
		570	setreuid (uid, uid);
		571	#elif HAVE_SETUID
		572	setgid (gid);
		573	setuid (uid);
		574	#endif
		575
		576	if (uid != geteuid ()
		577	|| gid != getegid ())
		578	rxvt_fatal ("unable to drop privileges, aborting.\n");
		579	}
		580
		581	rxvt_environ = environ;
		582
		583	signal (SIGHUP, SIG_IGN);
		584	signal (SIGPIPE, SIG_IGN);
		585
		586	sig_handlers.sw_term.start (SIGTERM);
		587	sig_handlers.sw_int.start (SIGINT);
		588
		589	/* need to trap SIGURG for SVR4 (Unixware) rlogin */
		590	/* signal (SIGURG, SIG_DFL); */
		591
		592	old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
		593	// TODO: handle this with exceptions and tolerate the memory loss
		594	XSetIOErrorHandler (rxvt_xioerror_handler);
		595
		596	XrmInitialize ();
483	}	597	}
484		598
485	/* ------------------------------------------------------------------------- *	599	/* ------------------------------------------------------------------------- *
486	* MEMORY ALLOCATION WRAPPERS *	600	* MEMORY ALLOCATION WRAPPERS *
487	* ------------------------------------------------------------------------- */	601	* ------------------------------------------------------------------------- */
488	/* EXTPROTO */	602	void *
489	void *
490	rxvt_malloc (size_t size)	603	rxvt_malloc (size_t size)
491	{	604	{
492	void *p;
493
494	p = malloc (size);	605	void *p = malloc (size);
		606
495	if (p)	607	if (!p)
		608	rxvt_fatal ("memory allocation failure. aborting.\n");
		609
496	return p;	610	return p;
497
498	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");
499	rxvt_clean_exit ();
500	exit (EXIT_FAILURE);
501	/* NOTREACHED */
502	}	611	}
503		612
504	/* EXTPROTO */	613	void *
505	void *
506	rxvt_calloc (size_t number, size_t size)	614	rxvt_calloc (size_t number, size_t size)
507	{	615	{
508	void *p;
509
510	p = calloc (number, size);	616	void *p = calloc (number, size);
		617
511	if (p)	618	if (!p)
		619	rxvt_fatal ("memory allocation failure. aborting.\n");
		620
512	return p;	621	return p;
513
514	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");
515	rxvt_clean_exit ();
516	exit (EXIT_FAILURE);
517	/* NOTREACHED */
518	}	622	}
519		623
520	/* EXTPROTO */	624	void *
521	void *
522	rxvt_realloc (void *ptr, size_t size)	625	rxvt_realloc (void *ptr, size_t size)
523	{	626	{
524	void *p;
525
526	if (ptr)
527	p = realloc (ptr, size);	627	void *p = realloc (ptr, size);
528	else	628
529	p = malloc (size);
530	if (p)	629	if (!p)
		630	rxvt_fatal ("memory allocation failure. aborting.\n");
		631
531	return p;	632	return p;
532
533	fprintf (stderr, RESNAME ": memory allocation failure. Aborting");
534	rxvt_clean_exit ();
535	exit (EXIT_FAILURE);
536	/* NOTREACHED */
537	}	633	}
538
539	/* ------------------------------------------------------------------------- *
540	* PRIVILEGED OPERATIONS *
541	* ------------------------------------------------------------------------- */
542	/* take care of suid/sgid super-user (root) privileges */
543	void
544	rxvt_term::privileges (int mode)
545	{
546	#if ! defined(__CYGWIN32__)
547	# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
548	/* setreuid () is the poor man's setuid (), seteuid () */
549	# define seteuid(a) setreuid(-1, (a))
550	# define setegid(a) setregid(-1, (a))
551	# define HAVE_SETEUID
552	# endif
553	# ifdef HAVE_SETEUID
554	switch (mode)
555	{
556	case IGNORE:
557	/*
558	* change effective uid/gid - not real uid/gid - so we can switch
559	* back to root later, as required
560	*/
561	seteuid (getuid ());
562	setegid (getgid ());
563	break;
564	case SAVE:
565	euid = geteuid ();
566	egid = getegid ();
567	break;
568	case RESTORE:
569	seteuid (euid);
570	setegid (egid);
571	break;
572	}
573	# else
574	switch (mode)
575	{
576	case IGNORE:
577	setuid (getuid ());
578	setgid (getgid ());
579	/* FALLTHROUGH */
580	case SAVE:
581	/* FALLTHROUGH */
582	case RESTORE:
583	break;
584	}
585	# endif
586	#endif
587	}
588
589	#ifdef UTMP_SUPPORT
590	void
591	rxvt_term::privileged_utmp (char action)
592	{
593	D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)",
594	action, next_utmp_action, getpid ()));
595	if (next_utmp_action != action || (action != SAVE && action != RESTORE)
596	|| (Options & Opt_utmpInhibit)
597	|| ttydev == NULL || *ttydev == '\0')
598	return;
599
600	privileges (RESTORE);
601	if (action == SAVE)
602	{
603	next_utmp_action = RESTORE;
604	makeutent (ttydev, rs[Rs_display_name]);
605	}
606	else
607	{ /* action == RESTORE */
608	next_utmp_action = IGNORE;
609	cleanutent ();
610	}
611	privileges (IGNORE);
612	}
613	#endif
614
615	#ifndef NO_SETOWNER_TTYDEV
616	void
617	rxvt_term::privileged_ttydev (char action)
618	{
619	D_MAIN ((stderr,
620	"privileged_ttydev (%c); waiting for: %c (pid: %d)",
621	action, next_tty_action, getpid ()));
622	if (next_tty_action != action || (action != SAVE && action != RESTORE)
623	|| ttydev == NULL || *ttydev == '\0')
624	return;
625
626	privileges (RESTORE);
627
628	if (action == SAVE)
629	{
630	next_tty_action = RESTORE;
631	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
632	/* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */
633	if (lstat (ttydev, &ttyfd_stat) < 0) /* you lose out */
634	next_tty_action = IGNORE;
635	else
636	# endif
637
638	{
639	chown (ttydev, getuid (), ttygid); /* fail silently */
640	chmod (ttydev, ttymode);
641	# ifdef HAVE_REVOKE
642	revoke (ttydev);
643	# endif
644
645	}
646	}
647	else
648	{ /* action == RESTORE */
649	next_tty_action = IGNORE;
650	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
651	chmod (ttydev, ttyfd_stat.st_mode);
652	chown (ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
653	# else
654	chmod (ttydev,
655	(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
656	chown (ttydev, 0, 0);
657	# endif
658
659	}
660
661	privileges (IGNORE);
662
663	# ifndef RESET_TTY_TO_COMMON_DEFAULTS
664	D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
665	action == RESTORE ? "Restoring" : (action ==
666	SAVE ? "Saving" :
667	"UNKNOWN ERROR for"), ttydev,
668	ttyfd_stat.st_mode, ttyfd_stat.st_uid,
669	ttyfd_stat.st_gid));
670	# endif
671	}
672	#endif
673		634
674	/*----------------------------------------------------------------------*/	635	/*----------------------------------------------------------------------*/
675	/*	636	/*
676	* window size/position calculcations for XSizeHint and other storage.	637	* window size/position calculcations for XSizeHint and other storage.
677	* if width/height are non-zero then override calculated width/height	638	* if width/height are non-zero then override calculated width/height
678	*/	639	*/
679	void	640	void
680	rxvt_term::window_calc (unsigned int width, unsigned int height)	641	rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
681	{	642	{
682	short recalc_x, recalc_y;	643	short recalc_x, recalc_y;
683	int x, y, sb_w, mb_h, flags;	644	int x, y, sb_w, flags;
684	unsigned int w, h;	645	unsigned int w, h;
685	unsigned int max_width, max_height;	646	unsigned int max_width, max_height;
		647	dDisp;
686		648
687	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	649	D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
688	TermWin.ncol, TermWin.nrow, szHint.width,	650	ncol, nrow, szHint.width, szHint.height));
689	szHint.height));	651
690	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;	652	szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
691	szHint.win_gravity = NorthWestGravity;	653	szHint.win_gravity = NorthWestGravity;
692	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */	654	/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
693		655
694	recalc_x = recalc_y = 0;	656	recalc_x = recalc_y = 0;
695	flags = 0;	657	flags = 0;
		658
696	if (!parsed_geometry)	659	if (!parsed_geometry)
697	{	660	{
698	parsed_geometry = 1;	661	parsed_geometry = 1;
		662
699	if (rs[Rs_geometry])	663	if (rs[Rs_geometry])
700	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);	664	flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
		665
701	if (flags & WidthValue)	666	if (flags & WidthValue)
702	{	667	{
703	TermWin.ncol = BOUND_POSITIVE_INT16 (w);	668	ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
704	szHint.flags |= USSize;	669	szHint.flags |= USSize;
705	}	670	}
		671
706	if (flags & HeightValue)	672	if (flags & HeightValue)
707	{	673	{
708	TermWin.nrow = BOUND_POSITIVE_INT16 (h);	674	nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
709	szHint.flags |= USSize;	675	szHint.flags |= USSize;
710	}	676	}
		677
711	if (flags & XValue)	678	if (flags & XValue)
712	{	679	{
713	szHint.x = x;	680	szHint.x = x;
714	szHint.flags |= USPosition;	681	szHint.flags |= USPosition;
		682
715	if (flags & XNegative)	683	if (flags & XNegative)
716	{	684	{
717	recalc_x = 1;	685	recalc_x = 1;
718	szHint.win_gravity = NorthEastGravity;	686	szHint.win_gravity = NorthEastGravity;
719	}	687	}
720	}	688	}
		689
721	if (flags & YValue)	690	if (flags & YValue)
722	{	691	{
723	szHint.y = y;	692	szHint.y = y;
724	szHint.flags |= USPosition;	693	szHint.flags |= USPosition;
		694
725	if (flags & YNegative)	695	if (flags & YNegative)
726	{	696	{
727	recalc_y = 1;	697	recalc_y = 1;
		698
728	if (szHint.win_gravity == NorthEastGravity)	699	if (szHint.win_gravity == NorthEastGravity)
729	szHint.win_gravity = SouthEastGravity;	700	szHint.win_gravity = SouthEastGravity;
730	else	701	else
731	szHint.win_gravity = SouthWestGravity;	702	szHint.win_gravity = SouthWestGravity;
732	}	703	}
733	}	704	}
734	}	705	}
735		706
736	/* TODO: BOUNDS */	707	/* TODO: BOUNDS */
737	TermWin.width = TermWin.ncol * TermWin.fwidth;	708	width = ncol * fwidth;
738	TermWin.height = TermWin.nrow * TermWin.fheight;	709	height = nrow * fheight;
739	max_width = MAX_COLS * TermWin.fwidth;	710	max_width = MAX_COLS * fwidth;
740	max_height = MAX_ROWS * TermWin.fheight;	711	max_height = MAX_ROWS * fheight;
741		712
742	szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;	713	szHint.base_width = szHint.base_height = 2 * int_bwidth;
743		714
744	sb_w = mb_h = 0;	715	sb_w = 0;
745	window_vt_x = window_vt_y = 0;	716	window_vt_x = window_vt_y = int_bwidth;
746	if (scrollbar_visible ())	717
		718	if (scrollBar.state)
747	{	719	{
748	sb_w = scrollbar_TotalWidth ();	720	sb_w = scrollbar_TotalWidth ();
749	szHint.base_width += sb_w;	721	szHint.base_width += sb_w;
750	if (! (Options & Opt_scrollBar_right))	722	if (!OPTION (Opt_scrollBar_right))
751	window_vt_x = sb_w;	723	window_vt_x += sb_w;
752	}
753	if (menubar_visible ())
754	{	724	}
755	mb_h = menuBar_TotalHeight ();	725
756	szHint.base_height += mb_h;
757	window_vt_y = mb_h;
758	}
759	szHint.width_inc = TermWin.fwidth;	726	szHint.width_inc = fwidth;
760	szHint.height_inc = TermWin.fheight;	727	szHint.height_inc = fheight;
761	szHint.min_width = szHint.base_width + szHint.width_inc;	728	szHint.min_width = szHint.base_width + szHint.width_inc;
762	szHint.min_height = szHint.base_height + szHint.height_inc;	729	szHint.min_height = szHint.base_height + szHint.height_inc;
763		730
764	if (width && width - szHint.base_width < max_width)	731	if (newwidth && newwidth - szHint.base_width < max_width)
765	{	732	{
766	szHint.width = width;	733	szHint.width = newwidth;
767	TermWin.width = width - szHint.base_width;	734	width = newwidth - szHint.base_width;
768	}	735	}
769	else	736	else
770	{	737	{
771	MIN_IT (TermWin.width, max_width);	738	min_it (width, max_width);
772	szHint.width = szHint.base_width + TermWin.width;	739	szHint.width = szHint.base_width + width;
773	}	740	}
		741
774	if (height && height - szHint.base_height < max_height)	742	if (newheight && newheight - szHint.base_height < max_height)
775	{	743	{
776	szHint.height = height;	744	szHint.height = newheight;
777	TermWin.height = height - szHint.base_height;	745	height = newheight - szHint.base_height;
778	}	746	}
779	else	747	else
780	{	748	{
781	MIN_IT (TermWin.height, max_height);	749	min_it (height, max_height);
782	szHint.height = szHint.base_height + TermWin.height;	750	szHint.height = szHint.base_height + height;
783	}	751	}
784	if (scrollbar_visible () && (Options & Opt_scrollBar_right))	752
		753	if (scrollBar.state && OPTION (Opt_scrollBar_right))
785	window_sb_x = szHint.width - sb_w;	754	window_sb_x = szHint.width - sb_w;
786		755
787	if (recalc_x)	756	if (recalc_x)
788	szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))	757	szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
789	- szHint.width - 2 * TermWin.ext_bwidth);
790	if (recalc_y)	758	if (recalc_y)
791	szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))	759	szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
792	- szHint.height - 2 * TermWin.ext_bwidth);
793		760
794	TermWin.ncol = TermWin.width / TermWin.fwidth;	761	ncol = width / fwidth;
795	TermWin.nrow = TermWin.height / TermWin.fheight;	762	nrow = height / fheight;
796	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",	763	D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
797	TermWin.ncol, TermWin.nrow, szHint.width,	764	ncol, nrow, szHint.width,
798	szHint.height));	765	szHint.height));
799	return;	766	return;
800	}	767	}
801		768
802	/*----------------------------------------------------------------------*/	769	/*----------------------------------------------------------------------*/
…		…
805	* Called after a window size change.	772	* Called after a window size change.
806	*/	773	*/
807	void	774	void
808	rxvt_term::tt_winch ()	775	rxvt_term::tt_winch ()
809	{	776	{
		777	if (pty->pty < 0)
		778	return;
		779
810	struct winsize ws;	780	struct winsize ws;
811		781
812	if (cmd_fd < 0)
813	return;
814
815	ws.ws_col = TermWin.ncol;	782	ws.ws_col = ncol;
816	ws.ws_row = TermWin.nrow;	783	ws.ws_row = nrow;
817	ws.ws_xpixel = ws.ws_ypixel = 0;	784	ws.ws_xpixel = width;
818	#ifndef DEBUG_SIZE	785	ws.ws_ypixel = height;
819	(void)ioctl (cmd_fd, TIOCSWINSZ, &ws);	786	(void)ioctl (pty->pty, TIOCSWINSZ, &ws);
820	#else	787
821	if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)	788	#if 0
822	D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));	789	// TIOCSWINSZ⎈ is supposed to do this automatically and correctly
823	# ifdef SIGWINCH
824	else if (cmd_pid) /* force through to the command */	790	if (cmd_pid) /* force through to the command */
825	kill (cmd_pid, SIGWINCH);	791	kill (-cmd_pid, SIGWINCH);
826	# endif
827	#endif	792	#endif
828	}	793	}
829		794
830	/*----------------------------------------------------------------------*/	795	/*----------------------------------------------------------------------*/
831	/* rxvt_change_font () - Switch to a new font */	796	/* set_fonts () - load and set the various fonts
832	/*	797	*
833	* init = 1 - initialize	798	* init = 1 - initialize
834	*	799	*
835	* fontname == FONT_UP - switch to bigger font	800	* fontname == FONT_UP - switch to bigger font
836	* fontname == FONT_DN - switch to smaller font	801	* fontname == FONT_DN - switch to smaller font
837	*/	802	*/
838	bool	803	bool
839	rxvt_term::change_font (const char *fontname)	804	rxvt_term::set_fonts ()
840	{	805	{
841	if (fontname == FONT_UP)
842	{
843	// TODO
844	}
845	else if (fontname == FONT_DN)
846	{
847	// TODO
848	}
849	else
850	{
851	rxvt_fontset *fs = new rxvt_fontset (this);	806	rxvt_fontset *fs = new rxvt_fontset (this);
		807	rxvt_fontprop prop;
852		808
853	if (fs && fs->populate (fontname ? fontname : "fixed"))	809	if (!fs
		810	|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
		811	|| !fs->realize_font (1))
		812	{
		813	delete fs;
		814	return false;
		815	}
		816
		817	#if ENABLE_STYLES
		818	for (int i = RS_styleCount; --i; )
		819	if (fontset[i] != fontset[0])
		820	delete fontset[i];
		821	#endif
		822
		823	delete fontset[0];
		824	fontset[0] = fs;
		825
		826	prop = (*fs)[1]->properties ();
		827	prop.height += lineSpace;
		828	fs->set_prop (prop);
		829
		830	fwidth = prop.width;
		831	fheight = prop.height;
		832	fbase = prop.ascent;
		833
		834	for (int style = 1; style < 4; style++)
		835	{
		836	#if ENABLE_STYLES
		837	const char *res = rs[Rs_font + style];
		838
		839	if (res && !*res)
		840	fontset[style] = fontset[0];
		841	else
854	{	842	{
855	delete TermWin.fontset;	843	fontset[style] = fs = new rxvt_fontset (this);
856	TermWin.fontset = fs;	844	rxvt_fontprop prop2 = prop;
857	TermWin.fwidth = fs->base_font ()->width;
858	TermWin.fheight = fs->base_font ()->height;
859	TermWin.fbase = fs->base_font ()->ascent;
860		845
861	if (TermWin.parent[0])	846	if (res)
		847	prop2.weight = prop2.slant = rxvt_fontprop::unset;
		848	else
862	{	849	{
863	resize_all_windows (0, 0, 0);	850	res = fontset[0]->fontdesc;
864	scr_remap_chars ();	851
865	scr_touch (true);	852	if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
		853	if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
866	}	854	}
867		855
868	return true;	856	fs->populate (res);
		857	fs->set_prop (prop2);
869	}	858	}
		859	#else
		860	fontset[style] = fontset[0];
		861	#endif
		862	}
		863
		864	if (parent[0])
870	}	865	{
		866	resize_all_windows (0, 0, 0);
		867	scr_remap_chars ();
		868	scr_touch (true);
		869	}
871		870
872	return false;	871	return true;
873	}	872	}
874		873
875	bool	874	void rxvt_term::set_string_property (Atom prop, const char *str, int len)
876	rxvt_term::font_up_down (int n, int direction)
877	{	875	{
878	return false;	876	XChangeProperty (display->display, parent[0],
		877	prop, XA_STRING, 8, PropModeReplace,
		878	(const unsigned char *)str, len >= 0 ? len : strlen (str));
		879	}
		880
		881	void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
		882	{
		883	wchar_t *ws = rxvt_mbstowcs (str, len);
		884	char *s = rxvt_wcstoutf8 (ws);
		885
		886	XChangeProperty (display->display, parent[0],
		887	prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
		888	(const unsigned char *)s, strlen (s));
		889
		890	free (s);
		891	free (ws);
879	}	892	}
880		893
881	/*----------------------------------------------------------------------*/	894	/*----------------------------------------------------------------------*/
882	/*----------------------------------------------------------------------*/	895	/*----------------------------------------------------------------------*/
883	/* xterm sequences - title, iconName, color (exptl) */	896	/* xterm sequences - title, iconName, color (exptl) */
884	void	897	void
885	rxvt_term::set_title (const char *str)	898	rxvt_term::set_title (const char *str)
886	{	899	{
887	#ifdef SMART_WINDOW_TITLE	900	set_string_property (XA_WM_NAME, str);
888	char *name;	901	#if ENABLE_EWMH
889		902	set_utf8_property (xa[XA_NET_WM_NAME], str);
890	if (!XFetchName (display->display, TermWin.parent[0], &name))
891	name = NULL;
892
893	if (name == NULL || STRCMP (name, str))
894	#endif
895	XStoreName (display->display, TermWin.parent[0], str);
896
897	#ifdef SMART_WINDOW_TITLE
898	if (name)
899	XFree (name);
900	#endif	903	#endif
901	}	904	}
902		905
903	void	906	void
904	rxvt_term::set_icon_name (const char *str)	907	rxvt_term::set_icon_name (const char *str)
905	{	908	{
906	#ifdef SMART_WINDOW_TITLE	909	set_string_property (XA_WM_ICON_NAME, str);
907	char *name;	910	#if ENABLE_EWMH
908		911	set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
909	if (!XGetIconName (display->display, TermWin.parent[0], &name))
910	name = NULL;
911
912	if (name == NULL || STRCMP (name, str))
913	#endif
914	XSetIconName (display->display, TermWin.parent[0], str);
915
916	#ifdef SMART_WINDOW_TITLE
917	if (name)
918	XFree (name);
919	#endif	912	#endif
920	}	913	}
921		914
922	#ifdef XTERM_COLOR_CHANGE	915	#ifdef XTERM_COLOR_CHANGE
923	void	916	void
…		…
931		924
932	/* handle color aliases */	925	/* handle color aliases */
933	if (isdigit (*color))	926	if (isdigit (*color))
934	{	927	{
935	i = atoi (color);	928	i = atoi (color);
		929
936	if (i >= 8 && i <= 15)	930	if (i >= 8 && i <= 15)
937	{ /* bright colors */	931	{ /* bright colors */
938	i -= 8;	932	i -= 8;
939	# ifndef NO_BRIGHTCOLOR
940	PixColors[idx] = PixColors[minBrightCOLOR + i];	933	pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
941	SET_PIXCOLOR (idx);	934	SET_PIXCOLOR (idx);
942	goto Done;	935	goto done;
943	# endif
944
945	}	936	}
		937
946	if (i >= 0 && i <= 7)	938	if (i >= 0 && i <= 7)
947	{ /* normal colors */	939	{ /* normal colors */
948	PixColors[idx] = PixColors[minCOLOR + i];	940	pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
949	SET_PIXCOLOR (idx);	941	SET_PIXCOLOR (idx);
950	goto Done;	942	goto done;
951	}	943	}
952	}	944	}
953		945
954	if (!rXParseAllocColor (& xcol, color))	946	if (!rXParseAllocColor (&xcol, color))
955	return;	947	return;
956		948
957	/* XStoreColor (display->display, XCMAP, XColor*); */	949	/* XStoreColor (display->display, display->cmap, XColor*); */
958		950
959	/*	951	/*
960	* FIXME: should free colors here, but no idea how to do it so instead,	952	* FIXME: should free colors here, but no idea how to do it so instead,
961	* so just keep gobbling up the colormap	953	* so just keep gobbling up the colormap
962	*/	954	*/
963	# if 0	955	# if 0
964	for (i = Color_Black; i <= Color_White; i++)	956	for (i = Color_Black; i <= Color_White; i++)
965	if (PixColors[idx] == PixColors[i])	957	if (pix_colors[idx] == pix_colors[i])
966	break;	958	break;
967	if (i > Color_White)	959	if (i > Color_White)
968	{	960	{
969	/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */	961	/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
970	XFreeColors (display->display, XCMAP, (PixColors + idx), 1,	962	XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
971	DisplayPlanes (display->display, display->screen));	963	DisplayPlanes (display->display, display->screen));
972	}	964	}
973	# endif	965	# endif
974		966
975	PixColors[idx] = xcol;	967	pix_colors_focused[idx] = xcol;
976	SET_PIXCOLOR (idx);	968	SET_PIXCOLOR (idx);
977		969
978	/* XSetWindowAttributes attr; */	970	/* XSetWindowAttributes attr; */
979	/* Cursor cursor; */	971	/* Cursor cursor; */
980	Done:	972	done:
981	if (idx == Color_bg && ! (Options & Opt_transparent))
982	XSetWindowBackground (display->display, TermWin.vt,
983	PixColors[Color_bg]);
984		973
		974	#if OFF_FOCUS_FADING
		975	if (rs[Rs_fade])
		976	pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
		977	#endif
		978
985	/* handle Color_BD, scrollbar background, etc. */	979	/*TODO: handle Color_BD, scrollbar background, etc. */
986		980
987	set_colorfgbg ();
988	recolour_cursor ();	981	recolour_cursor ();
989	scr_touch (true);	982	scr_recolour ();
990	}	983	}
991		984
992	#else	985	#else
993	# define set_window_color (idx,color) ((void)0)	986	# define set_window_color (idx,color) ((void)0)
994	#endif /* XTERM_COLOR_CHANGE */	987	#endif /* XTERM_COLOR_CHANGE */
…		…
996	void	989	void
997	rxvt_term::recolour_cursor ()	990	rxvt_term::recolour_cursor ()
998	{	991	{
999	XColor xcol[2];	992	XColor xcol[2];
1000		993
1001	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg) ? PixColors[Color_pointer_fg] : PixColors[Color_fg];	994	xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
1002	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg) ? PixColors[Color_pointer_bg] : PixColors[Color_bg];	995	? pix_colors_focused[Color_pointer_fg]
		996	: pix_colors_focused[Color_fg];
		997	xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
		998	? pix_colors_focused[Color_pointer_bg]
		999	: pix_colors_focused[Color_bg];
		1000
1003	XQueryColors (display->display, XCMAP, xcol, 2);	1001	XQueryColors (display->display, display->cmap, xcol, 2);
1004	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);	1002	XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
1005	}	1003	}
1006		1004
1007	/*----------------------------------------------------------------------*/	1005	/*----------------------------------------------------------------------*/
1008	/*	1006	/*
1009	* find if fg/bg matches any of the normal (low-intensity) colors	1007	* find if fg/bg matches any of the normal (low-intensity) colors
1010	*/	1008	*/
1011	void	1009	void
1012	rxvt_term::set_colorfgbg ()	1010	rxvt_term::set_colorfgbg ()
1013	{	1011	{
1014	unsigned int i;	1012	unsigned int i;
1015	const char *xpmb = "\0";	1013	const char *xpmb = "\0";
1016	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];	1014	char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
1017		1015
1018	env_colorfgbg =
1019	(char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);	1016	env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
1020	STRCPY (fstr, "default");	1017	strcpy (fstr, "default");
1021	STRCPY (bstr, "default");	1018	strcpy (bstr, "default");
1022	for (i = Color_Black; i <= Color_White; i++)	1019	for (i = Color_Black; i <= Color_White; i++)
1023	if (PixColors[Color_fg] == PixColors[i])	1020	if (pix_colors[Color_fg] == pix_colors[i])
1024	{	1021	{
1025	sprintf (fstr, "%d", (i - Color_Black));	1022	sprintf (fstr, "%d", (i - Color_Black));
1026	break;	1023	break;
1027	}	1024	}
		1025
1028	for (i = Color_Black; i <= Color_White; i++)	1026	for (i = Color_Black; i <= Color_White; i++)
1029	if (PixColors[Color_bg] == PixColors[i])	1027	if (pix_colors[Color_bg] == pix_colors[i])
1030	{	1028	{
1031	sprintf (bstr, "%d", (i - Color_Black));	1029	sprintf (bstr, "%d", (i - Color_Black));
1032	#ifdef XPM_BACKGROUND	1030	#ifdef XPM_BACKGROUND
1033	xpmb = "default;";	1031	xpmb = "default;";
1034	#endif	1032	#endif
1035	break;	1033	break;
1036	}	1034	}
1037		1035
1038	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);	1036	sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
1039
1040	#ifndef NO_BRIGHTCOLOR
1041	colorfgbg = DEFAULT_RSTYLE;
1042	for (i = minCOLOR; i <= maxCOLOR; i++)
1043	{
1044	if (PixColors[Color_fg] == PixColors[i])
1045	colorfgbg = SET_FGCOLOR (colorfgbg, i);
1046	if (PixColors[Color_bg] == PixColors[i])
1047	colorfgbg = SET_BGCOLOR (colorfgbg, i);
1048	}
1049	#endif
1050	}	1037	}
1051		1038
1052	/*----------------------------------------------------------------------*/	1039	/*----------------------------------------------------------------------*/
1053	/*
1054	* Colour determination for low colour displays, routine from
1055	* Hans de Goede <hans@highrise.nl>
1056	*/
1057		1040
1058	int	1041	int
1059	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)	1042	rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
1060	{	1043	{
1061	if (!screen_in_out->set (display, colour))	1044	if (!screen_in_out->set (display, colour))
…		…
1069		1052
1070	/* -------------------------------------------------------------------- *	1053	/* -------------------------------------------------------------------- *
1071	* - WINDOW RESIZING - *	1054	* - WINDOW RESIZING - *
1072	* -------------------------------------------------------------------- */	1055	* -------------------------------------------------------------------- */
1073	void	1056	void
1074	rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)	1057	rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1075	{	1058	{
1076	int fix_screen;	1059	int fix_screen;
1077
1078	#ifdef SMART_RESIZE
1079	int old_width = szHint.width, old_height = szHint.height;	1060	int old_width = szHint.width, old_height = szHint.height;
1080	#endif	1061	dDisp;
1081		1062
1082	window_calc (width, height);	1063	window_calc (newwidth, newheight);
1083	XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);	1064	XSetWMNormalHints (disp, parent[0], &szHint);
		1065
1084	if (!ignoreparent)	1066	if (!ignoreparent)
1085	{	1067	{
1086	#ifdef SMART_RESIZE	1068	#ifdef SMART_RESIZE
1087	/*	1069	/*
1088	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>	1070	* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
…		…
1091	int x, y, x1, y1;	1073	int x, y, x1, y1;
1092	int dx, dy;	1074	int dx, dy;
1093	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;	1075	unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1094	Window unused_cr;	1076	Window unused_cr;
1095		1077
1096	XTranslateCoordinates (display->display, TermWin.parent[0], display->root,	1078	XTranslateCoordinates (disp, parent[0], display->root,
1097	0, 0, &x, &y, &unused_cr);	1079	0, 0, &x, &y, &unused_cr);
1098	XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,	1080	XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
1099	&unused_w1, &unused_h1, &unused_b1, &unused_d1);	1081	&unused_w1, &unused_h1, &unused_b1, &unused_d1);
1100	/*	1082	/*
1101	* if display->root isn't the parent window, a WM will probably have offset	1083	* if display->root isn't the parent window, a WM will probably have offset
1102	* our position for handles and decorations. Counter it	1084	* our position for handles and decorations. Counter it
1103	*/	1085	*/
…		…
1105	{	1087	{
1106	x -= x1;	1088	x -= x1;
1107	y -= y1;	1089	y -= y1;
1108	}	1090	}
1109		1091
1110	x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;	1092	x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
1111	y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;	1093	y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
1112	dx = old_width - szHint.width;	1094	dx = old_width - szHint.width;
1113	dy = old_height - szHint.height;	1095	dy = old_height - szHint.height;
1114		1096
1115	/* Check position of the center of the window */	1097	/* Check position of the center of the window */
1116	if (x < x1) /* left half */	1098	if (x < x1) /* left half */
…		…
1120	if (y < y1) /* top half */	1102	if (y < y1) /* top half */
1121	dy = 0;	1103	dy = 0;
1122	else if (y == y1) /* exact center */	1104	else if (y == y1) /* exact center */
1123	dy /= 2;	1105	dy /= 2;
1124		1106
1125	XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,	1107	XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
1126	szHint.width, szHint.height);	1108	szHint.width, szHint.height);
1127	#else	1109	#else
1128	XResizeWindow (display->display, TermWin.parent[0], szHint.width,	1110	XResizeWindow (disp, parent[0], szHint.width, szHint.height);
1129	szHint.height);
1130	#endif	1111	#endif
1131
1132	}	1112	}
1133		1113
1134	fix_screen = (TermWin.ncol != prev_ncol	1114	fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1135	|| TermWin.nrow != prev_nrow);
1136		1115
1137	if (fix_screen || width != old_width || height != old_height)	1116	if (fix_screen || newwidth != old_width || newheight != old_height)
1138	{	1117	{
1139	if (scrollbar_visible ())	1118	if (scrollBar.state)
1140	{	1119	{
1141	XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,	1120	XMoveResizeWindow (disp, scrollBar.win,
		1121	window_sb_x, 0,
1142	0, scrollbar_TotalWidth (), szHint.height);	1122	scrollbar_TotalWidth (), szHint.height);
1143	resize_scrollbar ();	1123	resize_scrollbar ();
1144	}	1124	}
1145		1125
1146	if (menubar_visible ())	1126	XMoveResizeWindow (disp, vt,
1147	XMoveResizeWindow (display->display, menuBar.win, window_vt_x,	1127	window_vt_x, window_vt_y,
1148	0, TermWin_TotalWidth (), menuBar_TotalHeight ());
1149
1150	XMoveResizeWindow (display->display, TermWin.vt, window_vt_x,
1151	window_vt_y, TermWin_TotalWidth (),
1152	TermWin_TotalHeight ());	1128	width, height);
1153	scr_clear (height != old_height);	1129
		1130	scr_clear ();
1154	#ifdef XPM_BACKGROUND	1131	#ifdef XPM_BACKGROUND
1155	resize_pixmap ();	1132	resize_pixmap ();
1156	#endif	1133	#endif
1157
1158	}	1134	}
1159		1135
1160	if (fix_screen || old_height == 0)	1136	if (fix_screen || old_height == 0)
1161	{	1137	{
1162	int curr_screen = -1;	1138	int curr_screen = -1;
1163	int old_ncol = prev_ncol;	1139	int old_ncol = prev_ncol;
1164		1140
1165	/* scr_reset only works on the primary screen */	1141	/* scr_reset only works on the primary screen */
1166	if (old_height) /* this is not the first time through */	1142	if (old_height) /* this is not the first time through */
1167	{	1143	{
1168	unsigned int ncol = TermWin.ncol;	1144	unsigned int ocol = ncol;
1169	TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this	1145	ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1170	curr_screen = scr_change_screen (PRIMARY);	1146	curr_screen = scr_change_screen (PRIMARY);
1171	TermWin.ncol = ncol;	1147	ncol = ocol;
1172	}	1148	}
1173		1149
1174	scr_reset ();	1150	scr_reset ();
1175		1151
1176	if (curr_screen >= 0) /* this is not the first time through */	1152	if (curr_screen >= 0) /* this is not the first time through */
1177	{	1153	{
1178	scr_change_screen (curr_screen);	1154	scr_change_screen (curr_screen);
1179	selection_check (old_ncol != TermWin.ncol ? 4 : 0);	1155	selection_check (old_ncol != ncol ? 4 : 0);
1180	}	1156	}
1181	}	1157	}
1182		1158
1183	old_width = szHint.width;	1159	old_width = szHint.width;
1184	old_height = szHint.height;	1160	old_height = szHint.height;
		1161
		1162	#ifdef XPM_BACKGROUND
		1163	if (pixmap)
		1164	scr_touch (false);
		1165	#endif
1185		1166
1186	#ifdef USE_XIM	1167	#ifdef USE_XIM
1187	IMSetStatusPosition ();	1168	IMSetStatusPosition ();
1188	#endif	1169	#endif
1189	}	1170	}
…		…
1191	/*	1172	/*
1192	* Set the width/height of the vt window in characters. Units are pixels.	1173	* Set the width/height of the vt window in characters. Units are pixels.
1193	* good for toggling 80/132 columns	1174	* good for toggling 80/132 columns
1194	*/	1175	*/
1195	void	1176	void
1196	rxvt_term::set_widthheight (unsigned int width, unsigned int height)	1177	rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1197	{	1178	{
1198	XWindowAttributes wattr;	1179	XWindowAttributes wattr;
1199		1180
1200	if (width == 0 || height == 0)	1181	if (newwidth == 0 || newheight == 0)
1201	{	1182	{
1202	XGetWindowAttributes (display->display, display->root, &wattr);	1183	XGetWindowAttributes (display->display, display->root, &wattr);
		1184
1203	if (width == 0)	1185	if (newwidth == 0)
1204	width = wattr.width - szHint.base_width;	1186	newwidth = wattr.width - szHint.base_width;
1205	if (height == 0)	1187	if (newheight == 0)
1206	height = wattr.height - szHint.base_height;	1188	newheight = wattr.height - szHint.base_height;
1207	}
1208	if (width != TermWin.width || height != TermWin.height)
1209	{	1189	}
		1190
		1191	if (newwidth != width || newheight != height)
		1192	{
1210	width += szHint.base_width;	1193	newwidth += szHint.base_width;
1211	height += szHint.base_height;	1194	newheight += szHint.base_height;
1212	resize_all_windows (width, height, 0);	1195	resize_all_windows (newwidth, newheight, 0);
1213	}	1196	}
1214	}	1197	}
1215		1198
1216	/* -------------------------------------------------------------------- *	1199	/* -------------------------------------------------------------------- *
1217	* - X INPUT METHOD ROUTINES - *	1200	* - X INPUT METHOD ROUTINES - *
1218	* -------------------------------------------------------------------- */	1201	* -------------------------------------------------------------------- */
1219	#ifdef USE_XIM	1202	#ifdef USE_XIM
1220		1203
1221	void	1204	void
		1205	rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
		1206	{
		1207	fg = pix_colors[Color_fg];
		1208	bg = pix_colors[Color_bg];
		1209	}
		1210
		1211	void
1222	rxvt_term::im_set_size (XRectangle *size)	1212	rxvt_term::im_set_size (XRectangle &size)
1223	{	1213	{
1224	size->x = TermWin.int_bwidth;	1214	// the int_bwidth terms make no sense to me
1225	size->y = TermWin.int_bwidth;	1215	size.x = int_bwidth;
1226	size->width = Width2Pixel (TermWin.ncol);	1216	size.y = int_bwidth;
1227	size->height = Height2Pixel (TermWin.nrow);	1217	size.width = Width2Pixel (ncol) + int_bwidth;
		1218	size.height = Height2Pixel (nrow) + int_bwidth;
1228	}	1219	}
1229		1220
1230	void	1221	void
1231	rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)	1222	rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
		1223	XRectangle &status_rect,
		1224	const XRectangle &needed_rect)
1232	{	1225	{
1233	*fg = PixColors[Color_fg];	1226	preedit_rect.x = needed_rect.width;
1234	*bg = PixColors[Color_bg];	1227	preedit_rect.y = 0;
		1228	preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
		1229	preedit_rect.height = fheight;
		1230
		1231	status_rect.x = 0;
		1232	status_rect.y = 0;
		1233	status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
		1234	status_rect.height = fheight;
1235	}	1235	}
1236		1236
1237	/* Checking whether input method is running. */	1237	/* Checking whether input method is running. */
1238	bool	1238	bool
1239	rxvt_term::IMisRunning ()	1239	rxvt_term::IMisRunning ()
1240	{	1240	{
1241	char *p;	1241	char *p;
1242	Atom atom;	1242	Atom atom;
1243	Window win;	1243	Window win;
1244	char server[IMBUFSIZ];	1244	char server[IMBUFSIZ];
1245		1245
1246	/* get current locale modifier */	1246	/* get current locale modifier */
1247	if ((p = XSetLocaleModifiers (NULL)) != NULL)	1247	if ((p = XSetLocaleModifiers (NULL)) != NULL)
1248	{	1248	{
1249	STRCPY (server, "@server=");	1249	strcpy (server, "@server=");
1250	STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */	1250	strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
		1251
1251	if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */	1252	if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1252	*p = '\0';	1253	*p = '\0';
1253		1254
1254	atom = XInternAtom (display->display, server, False);	1255	atom = XInternAtom (display->display, server, False);
1255	win = XGetSelectionOwner (display->display, atom);	1256	win = XGetSelectionOwner (display->display, atom);
		1257
1256	if (win != None)	1258	if (win != None)
1257	return True;	1259	return True;
1258	}	1260	}
		1261
1259	return False;	1262	return False;
1260	}	1263	}
1261		1264
1262	void	1265	void
1263	rxvt_term::IMSendSpot ()	1266	rxvt_term::IMSendSpot ()
1264	{	1267	{
1265	XPoint spot;	1268	XPoint nspot;
1266	XVaNestedList preedit_attr;	1269	XVaNestedList preedit_attr;
1267		1270
1268	if (Input_Context == NULL	1271	if (!Input_Context
		1272	|| !focus
1269	|| !TermWin.focus || ! (input_style & XIMPreeditPosition)	1273	|| !(input_style & XIMPreeditPosition))
1270	|| ! (event_type == KeyPress
1271	|| event_type == Expose
1272	|| event_type == NoExpose
1273	|| event_type == SelectionNotify
1274	|| event_type == ButtonRelease || event_type == FocusIn)
1275	|| !IMisRunning ())
1276	return;	1274	return;
1277		1275
1278	im_set_position (&spot);	1276	im_set_position (nspot);
		1277
		1278	if (nspot.x == spot.x && nspot.y == spot.y)
		1279	return;
		1280
		1281	spot = nspot;
1279		1282
1280	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);	1283	preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1281	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);	1284	XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1282	XFree (preedit_attr);	1285	XFree (preedit_attr);
1283	}	1286	}
1284		1287
1285	void	1288	void
1286	rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,
1287	XRectangle * needed_rect)
1288	{
1289	int mbh, vtx = 0;
1290
1291	if (scrollbar_visible () && ! (Options & Opt_scrollBar_right))
1292	vtx = scrollbar_TotalWidth ();
1293
1294	mbh = menubar_visible () ? menuBar_TotalHeight () : 0;
1295	mbh -= TermWin.lineSpace;
1296
1297	preedit_rect->x = needed_rect->width + vtx;
1298	preedit_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1299
1300	preedit_rect->width = Width2Pixel (TermWin.ncol + 1) - needed_rect->width + vtx;
1301	preedit_rect->height = Height2Pixel (1);
1302
1303	status_rect->x = vtx;
1304	status_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1305
1306	status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel (TermWin.ncol + 1);
1307	status_rect->height = Height2Pixel (1);
1308	}
1309
1310	void
1311	rxvt_term::im_destroy ()	1289	rxvt_term::im_destroy ()
1312	{	1290	{
1313	if (Input_Context)
1314	{
1315	XDestroyIC (Input_Context);
1316	Input_Context = NULL;
1317	}
1318
1319	if (input_method)	1291	if (input_method)
1320	{	1292	{
		1293	if (Input_Context && input_method->xim)
		1294	XDestroyIC (Input_Context);
		1295
1321	display->put_xim (input_method);	1296	display->put_xim (input_method);
1322	input_method = 0;	1297	input_method = 0;
1323	}	1298	}
		1299
		1300	Input_Context = 0;
1324	}	1301	}
1325		1302
1326	/*	1303	/*
1327	* Try to open a XIM with the current modifiers, then see if we can	1304	* Try to open a XIM with the current modifiers, then see if we can
1328	* open a suitable preedit type	1305	* open a suitable preedit type
1329	*/	1306	*/
1330	bool	1307	bool
1331	rxvt_term::IM_get_IC (const char *modifiers)	1308	rxvt_term::IM_get_IC (const char *modifiers)
1332	{	1309	{
1333	int i, j, found;	1310	int i, j, found;
1334	XIM xim;	1311	XIM xim;
1335	XPoint spot;	1312	XPoint spot;
1336	XRectangle rect, status_rect, needed_rect;	1313	XRectangle rect, status_rect, needed_rect;
1337	unsigned long fg, bg;	1314	unsigned long fg, bg;
1338	const char *p;	1315	const char *p;
1339	char **s;	1316	char **s;
1340	XIMStyles *xim_styles;	1317	XIMStyles *xim_styles;
1341	XVaNestedList preedit_attr, status_attr;	1318
		1319	set_environ (envv);
1342		1320
1343	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))	1321	if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1344	return false;	1322	return false;
1345		1323
1346	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));	1324	D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1347	input_method = display->get_xim (locale, modifiers);	1325	input_method = display->get_xim (locale, modifiers);
1348	if (input_method == NULL)	1326	if (input_method == NULL)
1349	return false;	1327	return false;
1350		1328
1351	xim = input_method->xim;	1329	xim = input_method->xim;
		1330	spot.x = spot.y = -1;
1352		1331
1353	xim_styles = NULL;	1332	xim_styles = NULL;
1354	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)	1333	if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1355	|| !xim_styles || !xim_styles->count_styles)	1334	|| !xim_styles || !xim_styles->count_styles)
1356	{	1335	{
1357	display->put_xim (input_method);	1336	im_destroy ();
1358	return false;	1337	return false;
1359	}	1338	}
1360		1339
1361	p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";	1340	const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
		1341
		1342	for (int pi = 0; pi < 2; pi++)
		1343	{
		1344	p = pet[pi];
		1345
		1346	if (!p)
		1347	continue;
		1348
1362	s = rxvt_splitcommastring (p);	1349	s = rxvt_splitcommastring (p);
		1350
1363	for (i = found = 0; !found && s[i]; i++)	1351	for (i = found = 0; !found && s[i]; i++)
1364	{	1352	{
1365	if (!STRCMP (s[i], "OverTheSpot"))	1353	if (!strcmp (s[i], "OverTheSpot"))
1366	input_style = (XIMPreeditPosition | XIMStatusNothing);	1354	input_style = (XIMPreeditPosition | XIMStatusNothing);
1367	else if (!STRCMP (s[i], "OffTheSpot"))	1355	else if (!strcmp (s[i], "OffTheSpot"))
1368	input_style = (XIMPreeditArea | XIMStatusArea);	1356	input_style = (XIMPreeditArea | XIMStatusArea);
1369	else if (!STRCMP (s[i], "Root"))	1357	else if (!strcmp (s[i], "Root"))
1370	input_style = (XIMPreeditNothing | XIMStatusNothing);	1358	input_style = (XIMPreeditNothing | XIMStatusNothing);
		1359	else if (!strcmp (s[i], "None"))
		1360	input_style = (XIMPreeditNone | XIMStatusNone);
1371		1361
1372	for (j = 0; j < xim_styles->count_styles; j++)	1362	for (j = 0; j < xim_styles->count_styles; j++)
1373	if (input_style == xim_styles->supported_styles[j])	1363	if (input_style == xim_styles->supported_styles[j])
1374	{	1364	{
		1365	rxvt_freecommastring (s);
		1366
1375	found = 1;	1367	found = 1;
1376	break;	1368	goto foundpet;
		1369	}
		1370
1377	}	1371	}
1378	}
1379		1372
1380	for (i = 0; s[i]; i++)	1373	rxvt_freecommastring (s);
1381	free (s[i]);	1374	}
1382		1375
1383	free (s);	1376	foundpet:
		1377
1384	XFree (xim_styles);	1378	XFree (xim_styles);
1385		1379
1386	if (!found)	1380	if (!found)
1387	{	1381	{
1388	display->put_xim (input_method);	1382	im_destroy ();
1389	return false;	1383	return false;
1390	}	1384	}
1391		1385
1392	preedit_attr = status_attr = NULL;	1386	XFontSet fs = 0;
		1387	XVaNestedList preedit_attr = 0, status_attr = 0;
		1388
		1389	if (input_style & (XIMPreeditPosition | XIMPreeditArea))
		1390	{
		1391	// fake us a font-set, please
		1392	char **missing_charset_list;
		1393	int missing_charset_count;
		1394	char *def_string;
		1395	char pat[512];
		1396
		1397	sprintf (pat,
		1398	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1399	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1400	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1401	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1402	"-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
		1403	"*",
		1404	fheight,
		1405	fheight + 1, fheight - 1,
		1406	fheight - 2, fheight + 2);
		1407
		1408	fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
		1409	&missing_charset_list, &missing_charset_count, &def_string);
		1410
		1411	if (missing_charset_list)
		1412	XFreeStringList (missing_charset_list);
		1413
		1414	if (!fs)
		1415	{
		1416	input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
		1417	rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
		1418	}
		1419	}
1393		1420
1394	if (input_style & XIMPreeditPosition)	1421	if (input_style & XIMPreeditPosition)
1395	{	1422	{
1396	im_set_size (&rect);	1423	im_set_size (rect);
1397	im_set_position (&spot);	1424	im_set_position (spot);
1398	im_set_color (&fg, &bg);	1425	im_set_color (fg, bg);
1399		1426
1400	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1427	preedit_attr = XVaCreateNestedList (0,
		1428	XNForeground, fg,
		1429	XNBackground, bg,
		1430	XNArea, &rect,
1401	XNSpotLocation, &spot,	1431	XNSpotLocation, &spot,
1402	XNForeground, fg, XNBackground, bg,
1403	//XNFontSet, TermWin.fontset,	1432	XNFontSet, fs,
1404	NULL);	1433	NULL);
1405	}	1434	}
1406	else if (input_style & XIMPreeditArea)	1435	else if (input_style & XIMPreeditArea)
1407	{	1436	{
1408	im_set_color (&fg, &bg);	1437	im_set_color (fg, bg);
1409		1438
1410	/*	1439	/*
1411	* The necessary width of preedit area is unknown	1440	* The necessary width of preedit area is unknown
1412	* until create input context.	1441	* until create input context.
1413	*/	1442	*/
1414	needed_rect.width = 0;	1443	needed_rect.width = 0;
1415
1416	im_set_preedit_area (&rect, &status_rect, &needed_rect);	1444	im_set_preedit_area (rect, status_rect, needed_rect);
1417		1445
1418	preedit_attr = XVaCreateNestedList (0, XNArea, &rect,	1446	preedit_attr = XVaCreateNestedList (0,
		1447	XNForeground, fg,
1419	XNForeground, fg, XNBackground, bg,	1448	XNBackground, bg,
		1449	XNArea, &rect,
		1450	XNFontSet, fs,
		1451	NULL);
		1452	status_attr = XVaCreateNestedList (0,
		1453	XNForeground, fg,
		1454	XNBackground, bg,
		1455	XNArea, &status_rect,
1420	//XNFontSet, TermWin.fontset,	1456	XNFontSet, fs,
1421	NULL);	1457	NULL);
1422	status_attr = XVaCreateNestedList (0, XNArea, &status_rect,
1423	XNForeground, fg, XNBackground, bg,
1424	//XNFontSet, TermWin.fontset,
1425	NULL);
1426	}	1458	}
1427		1459
1428	Input_Context = XCreateIC (xim, XNInputStyle, input_style,	1460	Input_Context = XCreateIC (xim,
		1461	XNInputStyle, input_style,
1429	XNClientWindow, TermWin.parent[0],	1462	XNClientWindow, vt,
1430	XNFocusWindow, TermWin.parent[0],	1463	XNFocusWindow, parent[0],
1431	preedit_attr ? XNPreeditAttributes : NULL,	1464	preedit_attr ? XNPreeditAttributes : NULL,
1432	preedit_attr,	1465	preedit_attr,
1433	status_attr ? XNStatusAttributes : NULL,	1466	status_attr ? XNStatusAttributes : NULL,
1434	status_attr, NULL);	1467	status_attr, NULL);
		1468
1435	if (preedit_attr) XFree (preedit_attr);	1469	if (preedit_attr) XFree (preedit_attr);
1436	if (status_attr) XFree (status_attr);	1470	if (status_attr) XFree (status_attr);
		1471	if (fs) XFreeFontSet (display->display, fs);
1437		1472
1438	if (Input_Context == NULL)	1473	if (Input_Context == NULL)
1439	{	1474	{
1440	rxvt_warn ("failed to create input context, continuing without XIM.\n");	1475	rxvt_warn ("failed to create input context, continuing without XIM.\n");
1441	display->put_xim (input_method);	1476	im_destroy ();
1442	return false;	1477	return false;
1443	}	1478	}
1444		1479
1445	if (input_style & XIMPreeditArea)	1480	if (input_style & XIMPreeditArea)
1446	IMSetStatusPosition ();	1481	IMSetStatusPosition ();
…		…
1450	}	1485	}
1451		1486
1452	void	1487	void
1453	rxvt_term::im_cb ()	1488	rxvt_term::im_cb ()
1454	{	1489	{
1455	int i, found, had_im;	1490	int i;
1456	const char *p;	1491	const char *p;
1457	char **s;	1492	char **s;
1458	char buf[IMBUFSIZ];	1493	char buf[IMBUFSIZ];
1459		1494
		1495	make_current ();
		1496
1460	im_destroy ();	1497	im_destroy ();
1461		1498
1462	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));	1499	D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1463	if (Input_Context)	1500	if (Input_Context)
1464	return;	1501	return;
…		…
1472	if (p && *p)	1509	if (p && *p)
1473	{	1510	{
1474	bool found = false;	1511	bool found = false;
1475		1512
1476	s = rxvt_splitcommastring (p);	1513	s = rxvt_splitcommastring (p);
		1514
1477	for (i = 0; s[i]; i++)	1515	for (i = 0; s[i]; i++)
1478	{	1516	{
1479	if (*s[i])	1517	if (*s[i])
1480	{	1518	{
1481	STRCPY (buf, "@im=");	1519	strcpy (buf, "@im=");
1482	STRNCAT (buf, s[i], IMBUFSIZ - 5);	1520	strncat (buf, s[i], IMBUFSIZ - 5);
1483	if (IM_get_IC (buf))	1521	if (IM_get_IC (buf))
1484	{	1522	{
1485	found = true;	1523	found = true;
1486	break;	1524	break;
1487	}	1525	}
1488	}	1526	}
1489	}	1527	}
1490	for (i = 0; s[i]; i++)	1528
1491	free (s[i]);	1529	rxvt_freecommastring (s);
1492	free (s);
1493		1530
1494	if (found)	1531	if (found)
1495	goto done;	1532	goto done;
1496	}	1533	}
1497		1534
…		…
1511	}	1548	}
1512		1549
1513	void	1550	void
1514	rxvt_term::IMSetStatusPosition ()	1551	rxvt_term::IMSetStatusPosition ()
1515	{	1552	{
1516	XRectangle preedit_rect, status_rect, *needed_rect;	1553	XRectangle preedit_rect, status_rect, *needed_rect;
1517	XVaNestedList preedit_attr, status_attr;	1554	XVaNestedList preedit_attr, status_attr;
1518		1555
1519	if (Input_Context == NULL	1556	if (!Input_Context
		1557	|| !focus
1520	|| !TermWin.focus || ! (input_style & XIMPreeditArea)	1558	|| !(input_style & XIMPreeditArea)
1521	|| !IMisRunning ())	1559	|| !IMisRunning ())
1522	return;	1560	return;
1523		1561
1524	/* Getting the necessary width of preedit area */	1562	/* Getting the necessary width of preedit area */
1525	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);	1563	status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1526	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);	1564	XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1527	XFree (status_attr);	1565	XFree (status_attr);
1528		1566
1529	im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);	1567	im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
		1568	XFree (needed_rect);
1530		1569
1531	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);	1570	preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1532	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);	1571	status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1533		1572
1534	XSetICValues (Input_Context,	1573	XSetICValues (Input_Context,
1535	XNPreeditAttributes, preedit_attr,	1574	XNPreeditAttributes, preedit_attr,
1536	XNStatusAttributes, status_attr, NULL);	1575	XNStatusAttributes, status_attr, NULL);
1537		1576
1538	XFree (preedit_attr);	1577	XFree (preedit_attr);
1539	XFree (status_attr);	1578	XFree (status_attr);
1540	}	1579	}
1541	#endif /* USE_XIM */	1580	#endif /* USE_XIM */
1542		1581
1543	/*----------------------------------------------------------------------*/
1544	rxvt_t rxvt_current_term;
1545
1546	/*----------------------- end-of-file (C source) -----------------------*/	1582	/*----------------------- end-of-file (C source) -----------------------*/

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