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Revision: 1.381
Committed: Tue Jun 5 12:04:33 2012 UTC (11 years, 11 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.380: +50 -6 lines
Log Message:
*hate*

File Contents

# User Rev Content
1 root 1.224 /*----------------------------------------------------------------------*
2 pcg 1.66 * File: main.C
3 pcg 1.1 *----------------------------------------------------------------------*
4     *
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>
7 pcg 1.3 * - original version
8 pcg 1.1 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
9 pcg 1.3 * - extensive modifications
10 pcg 1.1 * Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com>
11     * Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
12 pcg 1.3 * - extensive modifications
13 pcg 1.1 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
14     * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
15 pcg 1.3 * - extensive modifications
16 root 1.354 * Copyright (c) 2003-2010 Marc Lehmann <schmorp@schmorp.de>
17 pcg 1.1 *
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
20     * the Free Software Foundation; either version 2 of the License, or
21     * (at your option) any later version.
22     *
23     * This program is distributed in the hope that it will be useful,
24     * but WITHOUT ANY WARRANTY; without even the implied warranty of
25     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26     * GNU General Public License for more details.
27     *
28     * You should have received a copy of the GNU General Public License
29     * along with this program; if not, write to the Free Software
30     * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31     *---------------------------------------------------------------------*/
32    
33 pcg 1.3 #include "../config.h" /* NECESSARY */
34     #include "rxvt.h" /* NECESSARY */
35 sf-exg 1.332 #include "init.h"
36 root 1.155 #include "keyboard.h"
37     #include "rxvtperl.h"
38 pcg 1.1
39 root 1.151 #include <limits>
40    
41 sf-exg 1.369 #include <assert.h>
42     #include <signal.h>
43     #include <string.h>
44 pcg 1.1
45 ayin 1.278 #include <termios.h>
46 pcg 1.1
47 ayin 1.254 #ifdef HAVE_XSETLOCALE
48     # define X_LOCALE
49     # include <X11/Xlocale.h>
50     #else
51 sf-exg 1.370 # include <locale.h>
52 pcg 1.1 #endif
53    
54 sf-exg 1.332 struct termios rxvt_term::def_tio;
55 pcg 1.65 vector<rxvt_term *> rxvt_term::termlist;
56    
57 root 1.191 // used to tell global functions which terminal instance is "active"
58     rxvt_t rxvt_current_term;
59    
60 root 1.156 static char curlocale[128], savelocale[128];
61 pcg 1.15
62 pcg 1.65 bool
63 root 1.191 rxvt_set_locale (const char *locale) NOTHROW
64 pcg 1.15 {
65 root 1.228 int size = strlen (locale) + 1;
66 root 1.227
67 root 1.228 if (size > sizeof (curlocale))
68 root 1.227 rxvt_fatal ("locale string too long, aborting.\n");
69    
70 root 1.228 if (!locale || !memcmp (locale, curlocale, size))
71 pcg 1.65 return false;
72    
73 root 1.228 memcpy (curlocale, locale, size);
74 pcg 1.65 setlocale (LC_CTYPE, curlocale);
75     return true;
76 pcg 1.15 }
77    
78 root 1.169 void
79 root 1.191 rxvt_push_locale (const char *locale) NOTHROW
80 root 1.156 {
81     strcpy (savelocale, curlocale);
82     rxvt_set_locale (locale);
83     }
84    
85     void
86 root 1.191 rxvt_pop_locale () NOTHROW
87 root 1.156 {
88     rxvt_set_locale (savelocale);
89     }
90    
91 pcg 1.53 #if ENABLE_COMBINING
92 pcg 1.51 class rxvt_composite_vec rxvt_composite;
93    
94 pcg 1.54 text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
95 pcg 1.51 {
96     compose_char *cc;
97 ayin 1.255
98 pcg 1.51 // break compose chains, as stupid readline really likes to duplicate
99 root 1.344 // composing characters for some reason, near the end of a line.
100 pcg 1.51 cc = (*this)[c1];
101     while (cc)
102     {
103     if (cc->c2 == c2) return c1;
104     cc = (*this)[cc->c1];
105     }
106    
107 sf-exg 1.324 // check to see whether this combination already exists otherwise
108 sf-exg 1.359 for (cc = v.begin (); cc < v.end (); cc++)
109 root 1.344 if (cc->c1 == c1 && cc->c2 == c2)
110     return COMPOSE_LO + (cc - v.begin ());
111 pcg 1.51
112     // allocate a new combination
113     if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
114     {
115     static int seen;
116    
117     if (!seen++)
118 root 1.344 rxvt_warn ("too many unrepresentable composite characters, try --enable-unicode3\n");
119 pcg 1.51
120     return REPLACEMENT_CHAR;
121     }
122    
123     v.push_back (compose_char (c1, c2));
124    
125     return v.size () - 1 + COMPOSE_LO;
126     }
127    
128 pcg 1.54 int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
129 pcg 1.51 {
130     compose_char *cc = (*this)[c];
131    
132     if (!cc)
133     {
134     if (r) *r = c;
135     return 1;
136     }
137    
138     int len = expand (cc->c1, r);
139    
140     if (r) r += len;
141    
142     if (cc->c2 != NOCHAR)
143     {
144     len++;
145     if (r) *r++ = cc->c2;
146     }
147    
148     return len;
149    
150     }
151 pcg 1.53 #endif
152 pcg 1.51
153 pcg 1.4 rxvt_term::rxvt_term ()
154 root 1.270 {
155 sasha 1.243 #if HAVE_BG_PIXMAP
156 root 1.270 update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
157 root 1.80 #endif
158 pcg 1.5 #ifdef CURSOR_BLINK
159 root 1.277 cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
160 pcg 1.21 #endif
161     #ifdef TEXT_BLINK
162 root 1.275 text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
163 pcg 1.5 #endif
164 root 1.70 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
165 root 1.270 cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
166 root 1.70 #endif
167     #ifdef SELECTION_SCROLLING
168 root 1.270 sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
169 root 1.70 #endif
170     #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
171 root 1.270 slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
172 root 1.193 #endif
173 root 1.269 #if ENABLE_TRANSPARENCY || ENABLE_PERL
174 root 1.291 rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
175 root 1.269 #endif
176 root 1.270 scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
177 root 1.376 #if USE_XIM
178 root 1.270 im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
179     #endif
180     #ifdef POINTER_BLANK
181     pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
182     #endif
183     #ifndef NO_BELL
184     bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
185 root 1.269 #endif
186 root 1.270 child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
187 root 1.276 flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
188 root 1.270 destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
189     pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
190     termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
191     vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
192 root 1.269
193 pcg 1.4 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
194 pcg 1.65
195     termlist.push_back (this);
196 root 1.128
197     #ifdef KEYSYM_RESOURCE
198     keyboard = new keyboard_manager;
199     #endif
200 pcg 1.4 }
201    
202 root 1.134 // clean up the most important stuff, do *not* call x or free mem etc.
203     // for use before an emergency exit
204 ayin 1.253 void
205     rxvt_term::emergency_cleanup ()
206 pcg 1.4 {
207 root 1.94 if (cmd_pid)
208     kill (-cmd_pid, SIGHUP);
209    
210 root 1.223 pty_ev.stop ();
211 root 1.184 delete pty; pty = 0;
212 root 1.134 }
213    
214     rxvt_term::~rxvt_term ()
215     {
216     termlist.erase (find (termlist.begin (), termlist.end(), this));
217    
218     emergency_cleanup ();
219 root 1.132
220 root 1.108 #if ENABLE_STYLES
221     for (int i = RS_styleCount; --i; )
222 root 1.149 if (fontset[i] != fontset[0])
223     delete fontset[i];
224 root 1.108 #endif
225 root 1.149 delete fontset[0];
226 pcg 1.34
227 root 1.300 #ifdef HAVE_BG_PIXMAP
228 sf-exg 1.349 bg_destroy ();
229 root 1.300 #endif
230    
231 pcg 1.34 if (display)
232 pcg 1.44 {
233 pcg 1.60 selection_clear ();
234 sf-exg 1.319 selection_clear (true);
235 pcg 1.60
236 root 1.376 #if USE_XIM
237 root 1.77 im_destroy ();
238     #endif
239 ayin 1.308 scrollBar.destroy ();
240 root 1.218 if (gc) XFreeGC (dpy, gc);
241 pcg 1.60
242 root 1.149 delete drawable;
243 pcg 1.45 // destroy all windows
244 sf-exg 1.355 if (parent)
245     XDestroyWindow (dpy, parent);
246 root 1.206
247 root 1.216 for (int i = 0; i < TOTAL_COLORS; i++)
248     if (ISSET_PIXCOLOR (i))
249     {
250     pix_colors_focused [i].free (this);
251     #if OFF_FOCUS_FADING
252     pix_colors_unfocused [i].free (this);
253     #endif
254     }
255    
256 root 1.206 clear ();
257 root 1.300
258     display->flush (); /* ideally .put should do this */
259     displays.put (display);
260 pcg 1.44 }
261 pcg 1.34
262     scr_release ();
263    
264 pcg 1.60 /* clear all resources */
265     for (int i = 0; i < allocated.size (); i++)
266 root 1.134 free (allocated [i]);
267 pcg 1.60
268     free (selection.text);
269 sf-exg 1.319 free (selection.clip_text);
270 pcg 1.34 free (locale);
271 root 1.120 free (v_buffer);
272 pcg 1.34
273 sf-exg 1.353 delete selection_req;
274    
275 pcg 1.33 delete envv;
276     delete argv;
277 root 1.128
278     #ifdef KEYSYM_RESOURCE
279 root 1.134 delete keyboard;
280 root 1.128 #endif
281 ayin 1.263 #ifndef NO_RESOURCES
282     XrmDestroyDatabase (option_db);
283     #endif
284 pcg 1.4 }
285    
286 root 1.189 // child has exited, usually destroys
287 pcg 1.8 void
288 root 1.256 rxvt_term::child_cb (ev::child &w, int status)
289 root 1.152 {
290 root 1.189 HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
291    
292 root 1.152 cmd_pid = 0;
293    
294 root 1.232 if (!option (Opt_hold))
295 root 1.152 destroy ();
296     }
297    
298     void
299 pcg 1.8 rxvt_term::destroy ()
300     {
301 root 1.281 if (destroy_ev.is_active ())
302 root 1.77 return;
303    
304 root 1.200 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
305 root 1.191
306 root 1.94 #if ENABLE_OVERLAY
307     scr_overlay_off ();
308     #endif
309    
310 pcg 1.27 if (display)
311     {
312 root 1.80 #if USE_XIM
313 pcg 1.29 im_ev.stop (display);
314     #endif
315 pcg 1.27 scrollbar_ev.stop (display);
316 root 1.237 #if ENABLE_TRANSPARENCY || ENABLE_PERL
317 root 1.77 rootwin_ev.stop (display);
318 root 1.80 #endif
319 root 1.77 termwin_ev.stop (display);
320     vt_ev.stop (display);
321 pcg 1.27 }
322    
323 root 1.283 flush_ev.stop ();
324 pcg 1.8 pty_ev.stop ();
325     #ifdef CURSOR_BLINK
326 pcg 1.21 cursor_blink_ev.stop ();
327     #endif
328     #ifdef TEXT_BLINK
329     text_blink_ev.stop ();
330 pcg 1.8 #endif
331 root 1.70 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
332     cont_scroll_ev.stop ();
333     #endif
334     #ifdef SELECTION_SCROLLING
335     sel_scroll_ev.stop ();
336     #endif
337 pcg 1.8 #ifdef POINTER_BLANK
338     pointer_ev.stop ();
339     #endif
340    
341 root 1.256 destroy_ev.start ();
342 pcg 1.8 }
343    
344     void
345 root 1.260 rxvt_term::destroy_cb (ev::idle &w, int revents)
346 pcg 1.8 {
347 root 1.177 make_current ();
348 pcg 1.8
349     delete this;
350     }
351    
352 root 1.337 void
353 root 1.368 rxvt_term::set_option (uint8_t opt, bool set) NOTHROW
354 root 1.337 {
355     if (!opt)
356     return;
357    
358     uint8_t mask = 1 << (opt & 7);
359     uint8_t &val = options [opt >> 3];
360    
361 root 1.338 val = val & ~mask | (set ? mask : 0);
362 root 1.337 }
363    
364 pcg 1.1 /*----------------------------------------------------------------------*/
365 root 1.134 /*
366     * Exit gracefully, clearing the utmp entry and restoring tty attributes
367     */
368     static XErrorHandler old_xerror_handler;
369    
370     static void
371     rxvt_emergency_cleanup ()
372     {
373     for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
374     (*t)->emergency_cleanup ();
375     }
376    
377 root 1.209 #if !ENABLE_MINIMAL
378 root 1.373 static void ecb_cold
379 root 1.135 print_x_error (Display *dpy, XErrorEvent *event)
380     {
381     char buffer[BUFSIZ];
382     char mesg[BUFSIZ];
383     char number[32];
384 root 1.380
385     rxvt_warn ("An X Error occurred, trying to continue after report.\n");
386    
387     XGetErrorDatabaseText (dpy, "XlibMessage", "ErrorSerial", "Error Serial #%d", mesg, BUFSIZ);
388     snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->serial);
389 root 1.378
390     XGetErrorText (dpy, event->error_code, buffer, BUFSIZ);
391 root 1.380 XGetErrorDatabaseText (dpy, "XlibMessage", "XError", "X Error", mesg, BUFSIZ);
392     rxvt_warn ("+ %s: %s\n", mesg, buffer);
393    
394     XGetErrorDatabaseText (dpy, "XlibMessage", "MajorCode", "Request Major code %d", mesg, BUFSIZ);
395     snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->request_code);
396    
397 root 1.381 if (event->request_code >= 128)
398     {
399     #if 0
400     /* XListExtensions and probably query extensions hangs when there are multiple queues errors */
401     int nexts;
402     char **exts = XListExtensions (dpy, &nexts);
403    
404     while (nexts)
405     {
406     char *extname = exts [nexts - 1];
407     int major, first_event, first_error;
408    
409     if (XQueryExtension (dpy, extname, &major, &first_event, &first_error) && major == event->request_code)
410     {
411     XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
412     rxvt_warn ("+ (which is extension %s minor code %d)\n", extname, event->minor_code);
413    
414     snprintf (buffer, BUFSIZ, "%s.%d", extname, event->minor_code);
415     XGetErrorDatabaseText (dpy, "XRequest", buffer, "an unregistered minor code", buffer, BUFSIZ);
416     rxvt_warn ("+ (which is %s)\n", buffer);
417    
418     break;
419     }
420    
421     printf ("nextss %d %s\n", nexts, extname);//D
422     --nexts;
423     ++exts;
424     }
425     #else
426     int nexts = 0;
427     char **exts = 0;
428     #endif
429 root 1.378
430 root 1.381 if (!nexts)
431     {
432     rxvt_warn ("+ (which is an unknown extension)\n", buffer);
433    
434     XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
435     snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->minor_code);
436    
437     sprintf (number, "%d", event->minor_code);
438     XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
439     rxvt_warn ("+ (which is %s)\n", buffer);
440     }
441    
442     XFreeExtensionList (exts);
443     }
444     else
445 root 1.378 {
446 root 1.381 sprintf (number, "%d", event->request_code);
447     XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
448     rxvt_warn ("+ (which is %s)\n", buffer);
449 root 1.378 }
450    
451     if (event->error_code == BadWindow
452     || event->error_code == BadPixmap
453     || event->error_code == BadCursor
454     || event->error_code == BadFont
455     || event->error_code == BadDrawable
456     || event->error_code == BadColor
457     || event->error_code == BadGC
458     || event->error_code == BadIDChoice
459     || event->error_code == BadValue
460     || event->error_code == BadAtom)
461     {
462 sf-exg 1.326 if (event->error_code == BadValue)
463 root 1.380 XGetErrorDatabaseText (dpy, "XlibMessage", "Value", "Value 0x%x", mesg, BUFSIZ);
464 sf-exg 1.326 else if (event->error_code == BadAtom)
465 root 1.380 XGetErrorDatabaseText (dpy, "XlibMessage", "AtomID", "AtomID 0x%x", mesg, BUFSIZ);
466 sf-exg 1.326 else
467 root 1.380 XGetErrorDatabaseText (dpy, "XlibMessage", "ResourceID", "ResourceID 0x%x", mesg, BUFSIZ);
468 root 1.378
469 root 1.380 snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->resourceid);
470 root 1.135 }
471     }
472     #endif
473    
474 root 1.373 int ecb_cold
475 root 1.134 rxvt_xerror_handler (Display *display, XErrorEvent *event)
476     {
477     if (GET_R->allowedxerror == -1)
478     GET_R->allowedxerror = event->error_code;
479     else
480     {
481 root 1.146 // GET_R is most likely not the terminal which caused the error,
482     // so just output the error and continue
483 root 1.209 #if ENABLE_MINIMAL
484     old_xerror_handler (display, event);
485     #else
486 root 1.135 print_x_error (display, event);
487     #endif
488 root 1.134 }
489    
490     return 0;
491     }
492    
493 root 1.373 int ecb_cold
494 root 1.134 rxvt_xioerror_handler (Display *display)
495     {
496     rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
497     DisplayString (display));
498     rxvt_emergency_cleanup ();
499     _exit (EXIT_FAILURE);
500     }
501    
502 root 1.148 static struct sig_handlers
503     {
504 root 1.256 ev::sig sw_term, sw_int;
505 ayin 1.255
506 root 1.148 /*
507     * Catch a fatal signal and tidy up before quitting
508     */
509 root 1.271 void sig_term (ev::sig &w, int revents);
510 root 1.148
511     sig_handlers ()
512     {
513 root 1.270 sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
514     sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
515 root 1.148 }
516     } sig_handlers;
517    
518 root 1.271 void
519     sig_handlers::sig_term (ev::sig &w, int revents)
520     {
521     rxvt_emergency_cleanup ();
522     w.stop ();
523     kill (getpid (), w.signum);
524     }
525    
526 sf-exg 1.332 static void
527     rxvt_get_ttymode (struct termios *tio)
528     {
529     if (tcgetattr (STDIN_FILENO, tio) < 0)
530     memset (tio, 0, sizeof (struct termios));
531    
532     for (int i = 0; i < NCCS; i++)
533     tio->c_cc[i] = VDISABLE;
534    
535     tio->c_cc[VINTR] = CINTR;
536     tio->c_cc[VQUIT] = CQUIT;
537     tio->c_cc[VERASE] = CERASE;
538     #ifdef VERASE2
539     tio->c_cc[VERASE2] = CERASE2;
540     #endif
541     tio->c_cc[VKILL] = CKILL;
542     tio->c_cc[VEOF] = CEOF;
543     tio->c_cc[VSTART] = CSTART;
544     tio->c_cc[VSTOP] = CSTOP;
545     tio->c_cc[VSUSP] = CSUSP;
546     # ifdef VDSUSP
547     tio->c_cc[VDSUSP] = CDSUSP;
548     # endif
549     # ifdef VREPRINT
550     tio->c_cc[VREPRINT] = CRPRNT;
551     # endif
552     # ifdef VDISCRD
553     tio->c_cc[VDISCRD] = CFLUSH;
554     # endif
555     # ifdef VWERSE
556     tio->c_cc[VWERSE] = CWERASE;
557     # endif
558     # ifdef VLNEXT
559     tio->c_cc[VLNEXT] = CLNEXT;
560     # endif
561 sf-exg 1.336 # ifdef VSTATUS
562     tio->c_cc[VSTATUS] = CSTATUS;
563     # endif
564 sf-exg 1.332
565     # if VMIN != VEOF
566     tio->c_cc[VMIN] = 1;
567     # endif
568     # if VTIME != VEOL
569     tio->c_cc[VTIME] = 0;
570     # endif
571    
572     /* input modes */
573     tio->c_iflag = (BRKINT | IGNPAR | ICRNL
574     # ifdef IMAXBEL
575     | IMAXBEL
576     # endif
577     | IXON);
578    
579     /* output modes */
580     tio->c_oflag = (OPOST | ONLCR);
581    
582     /* control modes */
583     tio->c_cflag = (CS8 | CREAD);
584    
585     /* local modes */
586     tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
587     # if defined (ECHOCTL) && defined (ECHOKE)
588     | ECHOCTL | ECHOKE
589     # endif
590     | ECHOE | ECHOK);
591     }
592    
593 root 1.175 char **rxvt_environ; // startup environment
594    
595 pcg 1.60 void
596 root 1.94 rxvt_init ()
597 pcg 1.60 {
598 root 1.327 assert (("fontMask must not overlap other RS masks",
599     0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
600    
601 sf-exg 1.332 rxvt_get_ttymode (&rxvt_term::def_tio);
602    
603 sf-exg 1.331 // get rid of stdin/stdout as we don't need them, to free resources
604     dup2 (STDERR_FILENO, STDIN_FILENO);
605     dup2 (STDERR_FILENO, STDOUT_FILENO);
606    
607 root 1.333 if (!ev_default_loop ())
608 root 1.257 rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
609 root 1.186
610 root 1.175 rxvt_environ = environ;
611    
612 root 1.114 signal (SIGHUP, SIG_IGN);
613     signal (SIGPIPE, SIG_IGN);
614 pcg 1.60
615 root 1.264 sig_handlers.sw_term.start (SIGTERM); ev_unref ();
616     sig_handlers.sw_int.start (SIGINT); ev_unref ();
617 root 1.148
618 pcg 1.60 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
619 root 1.114 // TODO: handle this with exceptions and tolerate the memory loss
620 root 1.134 XSetIOErrorHandler (rxvt_xioerror_handler);
621 root 1.166
622     XrmInitialize ();
623 root 1.374
624 root 1.376 #if HAVE_PIXBUF
625 root 1.374 g_type_init ();
626     #endif
627 pcg 1.60 }
628    
629 pcg 1.1 /*----------------------------------------------------------------------*/
630     /*
631 ayin 1.236 * window size/position calculations for XSizeHint and other storage.
632 pcg 1.1 * if width/height are non-zero then override calculated width/height
633     */
634     void
635 root 1.149 rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
636 pcg 1.1 {
637 root 1.134 short recalc_x, recalc_y;
638 ayin 1.306 int x, y, flags;
639 root 1.134 unsigned int w, h;
640     unsigned int max_width, max_height;
641 pcg 1.26
642     szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
643     szHint.win_gravity = NorthWestGravity;
644     /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
645    
646     recalc_x = recalc_y = 0;
647     flags = 0;
648 root 1.149
649 pcg 1.26 if (!parsed_geometry)
650     {
651     parsed_geometry = 1;
652 root 1.149
653 pcg 1.26 if (rs[Rs_geometry])
654 pcg 1.32 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
655 root 1.136
656 pcg 1.26 if (flags & WidthValue)
657     {
658 root 1.310 if (!w)
659     rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
660    
661     ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
662 pcg 1.26 szHint.flags |= USSize;
663 pcg 1.3 }
664 root 1.136
665 pcg 1.26 if (flags & HeightValue)
666     {
667 root 1.310 if (!h)
668     rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
669    
670     nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
671 pcg 1.26 szHint.flags |= USSize;
672 pcg 1.3 }
673 root 1.136
674 pcg 1.26 if (flags & XValue)
675     {
676     szHint.x = x;
677     szHint.flags |= USPosition;
678 root 1.149
679 pcg 1.26 if (flags & XNegative)
680     {
681     recalc_x = 1;
682     szHint.win_gravity = NorthEastGravity;
683 pcg 1.3 }
684     }
685 root 1.136
686 pcg 1.26 if (flags & YValue)
687     {
688     szHint.y = y;
689     szHint.flags |= USPosition;
690 root 1.149
691 pcg 1.26 if (flags & YNegative)
692     {
693     recalc_y = 1;
694 root 1.149
695 pcg 1.26 if (szHint.win_gravity == NorthEastGravity)
696     szHint.win_gravity = SouthEastGravity;
697     else
698     szHint.win_gravity = SouthWestGravity;
699 pcg 1.3 }
700     }
701 pcg 1.1 }
702 pcg 1.53
703 pcg 1.26 /* TODO: BOUNDS */
704 root 1.149 width = ncol * fwidth;
705     height = nrow * fheight;
706     max_width = MAX_COLS * fwidth;
707     max_height = MAX_ROWS * fheight;
708 pcg 1.26
709 root 1.149 szHint.base_width = szHint.base_height = 2 * int_bwidth;
710 pcg 1.26
711 root 1.149 window_vt_x = window_vt_y = int_bwidth;
712 pcg 1.67
713 root 1.180 if (scrollBar.state)
714 pcg 1.26 {
715 ayin 1.306 int sb_w = scrollBar.total_width ();
716 pcg 1.26 szHint.base_width += sb_w;
717 root 1.213
718 root 1.232 if (!option (Opt_scrollBar_right))
719 root 1.70 window_vt_x += sb_w;
720 pcg 1.26 }
721 pcg 1.67
722 root 1.219 szHint.width_inc = fwidth;
723 root 1.149 szHint.height_inc = fheight;
724 root 1.219 szHint.min_width = szHint.base_width + szHint.width_inc;
725 pcg 1.26 szHint.min_height = szHint.base_height + szHint.height_inc;
726    
727 root 1.149 if (newwidth && newwidth - szHint.base_width < max_width)
728 pcg 1.26 {
729 root 1.149 szHint.width = newwidth;
730     width = newwidth - szHint.base_width;
731 pcg 1.26 }
732     else
733     {
734 root 1.150 min_it (width, max_width);
735 root 1.149 szHint.width = szHint.base_width + width;
736 pcg 1.26 }
737 pcg 1.67
738 root 1.149 if (newheight && newheight - szHint.base_height < max_height)
739 pcg 1.26 {
740 root 1.149 szHint.height = newheight;
741     height = newheight - szHint.base_height;
742 pcg 1.26 }
743     else
744     {
745 root 1.150 min_it (height, max_height);
746 root 1.149 szHint.height = szHint.base_height + height;
747 pcg 1.26 }
748 pcg 1.67
749 pcg 1.26 if (recalc_x)
750 root 1.218 szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
751 root 1.206
752 pcg 1.26 if (recalc_y)
753 root 1.218 szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
754 pcg 1.26
755 root 1.312 ncol = width / fwidth;
756 root 1.149 nrow = height / fheight;
757 sf-exg 1.360
758     // When the size of the vt window is not a multiple of the cell
759     // size, i.e., when the wm does not honour our size hints, there are
760     // extra areas not covered by the terminal screen. Such gaps, when a
761     // bg pixmap is set, would have to be cleared manually to properly
762     // refresh the background. We take the simpler route and shrink the
763     // vt window so as to avoid creating gaps.
764 sf-exg 1.366 vt_width = ncol * fwidth;
765     vt_height = nrow * fheight;
766 pcg 1.1 }
767    
768     /*----------------------------------------------------------------------*/
769     /*
770     * Tell the teletype handler what size the window is.
771     * Called after a window size change.
772     */
773     void
774 pcg 1.9 rxvt_term::tt_winch ()
775 pcg 1.1 {
776 root 1.184 if (pty->pty < 0)
777 root 1.94 return;
778    
779 pcg 1.20 struct winsize ws;
780 pcg 1.9
781 root 1.149 ws.ws_col = ncol;
782     ws.ws_row = nrow;
783 sf-exg 1.366 ws.ws_xpixel = vt_width;
784     ws.ws_ypixel = vt_height;
785 root 1.317 ioctl (pty->pty, TIOCSWINSZ, &ws);
786 root 1.94
787     #if 0
788 ayin 1.274 // TIOCSWINSZ is supposed to do this automatically and correctly
789 root 1.94 if (cmd_pid) /* force through to the command */
790 root 1.140 kill (-cmd_pid, SIGWINCH);
791 pcg 1.1 #endif
792     }
793    
794     /*----------------------------------------------------------------------*/
795 sf-exg 1.356 /* load and set the various fonts */
796 pcg 1.41 bool
797 root 1.108 rxvt_term::set_fonts ()
798 pcg 1.41 {
799 root 1.108 rxvt_fontset *fs = new rxvt_fontset (this);
800     rxvt_fontprop prop;
801    
802     if (!fs
803 root 1.114 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
804 root 1.108 || !fs->realize_font (1))
805 pcg 1.41 {
806 root 1.108 delete fs;
807     return false;
808 pcg 1.41 }
809 root 1.108
810     #if ENABLE_STYLES
811     for (int i = RS_styleCount; --i; )
812 root 1.149 if (fontset[i] != fontset[0])
813     delete fontset[i];
814 root 1.108 #endif
815    
816 root 1.149 delete fontset[0];
817     fontset[0] = fs;
818 root 1.108
819 root 1.325 prop = (*fs)[rxvt_fontset::firstFont]->properties ();
820 root 1.318 prop.width += letterSpace;
821 root 1.230
822     fs->set_prop (prop, false);
823 root 1.108
824 root 1.149 fwidth = prop.width;
825 sf-exg 1.372 fheight = prop.height + lineSpace;
826 root 1.158 fbase = prop.ascent;
827 root 1.108
828     for (int style = 1; style < 4; style++)
829 pcg 1.41 {
830 root 1.108 #if ENABLE_STYLES
831     const char *res = rs[Rs_font + style];
832 pcg 1.41
833 root 1.108 if (res && !*res)
834 root 1.149 fontset[style] = fontset[0];
835 root 1.108 else
836 pcg 1.41 {
837 root 1.149 fontset[style] = fs = new rxvt_fontset (this);
838 root 1.108 rxvt_fontprop prop2 = prop;
839 pcg 1.41
840 root 1.108 if (res)
841 root 1.231 {
842     fs->populate (res);
843     fs->set_prop (prop2, false);
844     }
845 root 1.108 else
846 pcg 1.42 {
847 root 1.231 fs->populate (fontset[0]->fontdesc);
848 pcg 1.42
849 root 1.108 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
850     if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
851 root 1.231
852     fs->set_prop (prop2, true);
853 root 1.108 }
854 root 1.76
855 pcg 1.41 }
856 root 1.108 #else
857 root 1.149 fontset[style] = fontset[0];
858 root 1.108 #endif
859 pcg 1.41 }
860    
861 sf-exg 1.355 if (parent)
862 root 1.108 {
863     resize_all_windows (0, 0, 0);
864     scr_remap_chars ();
865     scr_touch (true);
866 ayin 1.255 }
867 pcg 1.1
868 root 1.108 return true;
869 pcg 1.41 }
870 pcg 1.1
871 ayin 1.253 void
872     rxvt_term::set_string_property (Atom prop, const char *str, int len)
873 root 1.118 {
874 sf-exg 1.355 XChangeProperty (dpy, parent,
875 root 1.118 prop, XA_STRING, 8, PropModeReplace,
876     (const unsigned char *)str, len >= 0 ? len : strlen (str));
877     }
878    
879 ayin 1.253 void
880 sf-exg 1.328 rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
881     {
882     XTextProperty ct;
883    
884     if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
885     {
886 sf-exg 1.355 XSetTextProperty (dpy, parent, &ct, prop);
887 sf-exg 1.328 XFree (ct.value);
888     }
889     }
890    
891     void
892 ayin 1.253 rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
893 root 1.118 {
894     wchar_t *ws = rxvt_mbstowcs (str, len);
895     char *s = rxvt_wcstoutf8 (ws);
896    
897 sf-exg 1.355 XChangeProperty (dpy, parent,
898 root 1.118 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
899     (const unsigned char *)s, strlen (s));
900    
901     free (s);
902     free (ws);
903     }
904    
905 pcg 1.1 /*----------------------------------------------------------------------*/
906     /*----------------------------------------------------------------------*/
907     /* xterm sequences - title, iconName, color (exptl) */
908     void
909 pcg 1.22 rxvt_term::set_title (const char *str)
910 pcg 1.1 {
911 sf-exg 1.328 set_mbstring_property (XA_WM_NAME, str);
912 root 1.144 #if ENABLE_EWMH
913 root 1.121 set_utf8_property (xa[XA_NET_WM_NAME], str);
914 pcg 1.1 #endif
915     }
916    
917     void
918 pcg 1.60 rxvt_term::set_icon_name (const char *str)
919 pcg 1.1 {
920 sf-exg 1.328 set_mbstring_property (XA_WM_ICON_NAME, str);
921 root 1.144 #if ENABLE_EWMH
922 root 1.121 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
923 pcg 1.1 #endif
924     }
925    
926     void
927 pcg 1.22 rxvt_term::set_window_color (int idx, const char *color)
928 pcg 1.1 {
929 ayin 1.252 #ifdef XTERM_COLOR_CHANGE
930 pcg 1.46 rxvt_color xcol;
931 ayin 1.255
932 pcg 1.26 if (color == NULL || *color == '\0')
933     return;
934 pcg 1.1
935 root 1.212 color = strdup (color);
936     allocated.push_back ((void *)color);
937     rs[Rs_color + idx] = color;
938    
939 pcg 1.26 /* handle color aliases */
940 pcg 1.32 if (isdigit (*color))
941 pcg 1.26 {
942 ayin 1.304 int i = atoi (color);
943 root 1.134
944 pcg 1.26 if (i >= 8 && i <= 15)
945 ayin 1.265 {
946     /* bright colors */
947 ayin 1.266 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
948 root 1.145 goto done;
949 root 1.134 }
950 pcg 1.26
951     if (i >= 0 && i <= 7)
952 ayin 1.265 {
953     /* normal colors */
954 root 1.94 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
955 root 1.145 goto done;
956 pcg 1.3 }
957 pcg 1.1 }
958 pcg 1.65
959 root 1.212 set_color (xcol, color);
960 pcg 1.1
961 pcg 1.26 /*
962     * FIXME: should free colors here, but no idea how to do it so instead,
963     * so just keep gobbling up the colormap
964     */
965 pcg 1.1
966 root 1.94 pix_colors_focused[idx] = xcol;
967 pcg 1.1
968 root 1.145 done:
969 root 1.108 /*TODO: handle Color_BD, scrollbar background, etc. */
970 pcg 1.26
971 root 1.225 update_fade_color (idx);
972 pcg 1.26 recolour_cursor ();
973 root 1.108 scr_recolour ();
974 ayin 1.258 #endif /* XTERM_COLOR_CHANGE */
975 pcg 1.1 }
976    
977     void
978 pcg 1.15 rxvt_term::recolour_cursor ()
979 pcg 1.1 {
980 root 1.215 XColor fg, bg;
981 pcg 1.1
982 root 1.215 (ISSET_PIXCOLOR (Color_pointer_fg)
983     ? pix_colors_focused[Color_pointer_fg]
984     : pix_colors_focused[Color_fg]).get (fg);
985 root 1.108
986 root 1.215 (ISSET_PIXCOLOR (Color_pointer_bg)
987     ? pix_colors_focused[Color_pointer_bg]
988     : pix_colors_focused[Color_bg]).get (bg);
989    
990 root 1.218 XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
991 pcg 1.1 }
992    
993     /*----------------------------------------------------------------------*/
994     /*
995     * find if fg/bg matches any of the normal (low-intensity) colors
996     */
997 sf-exg 1.365 char *
998     rxvt_term::get_colorfgbg ()
999 pcg 1.1 {
1000 root 1.108 unsigned int i;
1001 root 1.268 const char *xpmb = "";
1002 sf-exg 1.346 char fstr[] = "default";
1003     char bstr[] = "default";
1004 sf-exg 1.365 char *env_colorfgbg;
1005 pcg 1.26
1006     for (i = Color_Black; i <= Color_White; i++)
1007 root 1.94 if (pix_colors[Color_fg] == pix_colors[i])
1008 pcg 1.26 {
1009 root 1.345 sprintf (fstr, "%d", i - Color_Black);
1010 pcg 1.26 break;
1011     }
1012 root 1.108
1013 pcg 1.26 for (i = Color_Black; i <= Color_White; i++)
1014 root 1.94 if (pix_colors[Color_bg] == pix_colors[i])
1015 pcg 1.26 {
1016 root 1.345 sprintf (bstr, "%d", i - Color_Black);
1017 root 1.376 #if BG_IMAGE_FROM_FILE
1018 pcg 1.26 xpmb = "default;";
1019 pcg 1.1 #endif
1020 pcg 1.26 break;
1021     }
1022 pcg 1.33
1023 sf-exg 1.365 env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg"));
1024 pcg 1.32 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
1025 sf-exg 1.365 return env_colorfgbg;
1026 pcg 1.1 }
1027    
1028     /*----------------------------------------------------------------------*/
1029    
1030 root 1.208 bool
1031     rxvt_term::set_color (rxvt_color &color, const char *name)
1032 pcg 1.1 {
1033 root 1.208 if (color.set (this, name))
1034     return true;
1035 pcg 1.1
1036 root 1.208 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
1037     return false;
1038 pcg 1.1 }
1039    
1040 root 1.216 void
1041     rxvt_term::alias_color (int dst, int src)
1042     {
1043     pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
1044     }
1045    
1046 pcg 1.1 /* -------------------------------------------------------------------- *
1047     * - WINDOW RESIZING - *
1048     * -------------------------------------------------------------------- */
1049     void
1050 root 1.149 rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1051 pcg 1.1 {
1052 pcg 1.17 int fix_screen;
1053 root 1.197 int old_width = szHint.width;
1054     int old_height = szHint.height;
1055 pcg 1.1
1056 root 1.149 window_calc (newwidth, newheight);
1057 root 1.219
1058 root 1.312 bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
1059    
1060 root 1.313 // to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
1061 root 1.312 if (set_hint)
1062     {
1063     szHint.flags &= ~(PBaseSize | PResizeInc);
1064 sf-exg 1.355 XSetWMNormalHints (dpy, parent, &szHint);
1065 root 1.312 szHint.flags |= PBaseSize | PResizeInc;
1066     }
1067 pcg 1.67
1068 pcg 1.17 if (!ignoreparent)
1069     {
1070 pcg 1.3 #ifdef SMART_RESIZE
1071 pcg 1.17 /*
1072     * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
1073     * reposition window on resize depending on placement on screen
1074     */
1075     int x, y, x1, y1;
1076     int dx, dy;
1077     unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1078     Window unused_cr;
1079    
1080 sf-exg 1.355 XTranslateCoordinates (dpy, parent, display->root,
1081 pcg 1.17 0, 0, &x, &y, &unused_cr);
1082 sf-exg 1.355 XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
1083 pcg 1.17 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
1084     /*
1085 pcg 1.27 * if display->root isn't the parent window, a WM will probably have offset
1086 pcg 1.17 * our position for handles and decorations. Counter it
1087     */
1088 pcg 1.26 if (x1 != x || y1 != y)
1089     {
1090 pcg 1.17 x -= x1;
1091     y -= y1;
1092 pcg 1.26 }
1093 pcg 1.17
1094 root 1.218 x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
1095     y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
1096 root 1.197 dx = old_width - szHint.width;
1097 pcg 1.17 dy = old_height - szHint.height;
1098    
1099 pcg 1.26 /* Check position of the center of the window */
1100 pcg 1.17 if (x < x1) /* left half */
1101 pcg 1.26 dx = 0;
1102 pcg 1.17 else if (x == x1) /* exact center */
1103 pcg 1.26 dx /= 2;
1104 pcg 1.17 if (y < y1) /* top half */
1105 pcg 1.26 dy = 0;
1106 pcg 1.17 else if (y == y1) /* exact center */
1107 pcg 1.26 dy /= 2;
1108 pcg 1.3
1109 sf-exg 1.355 XMoveResizeWindow (dpy, parent, x + dx, y + dy,
1110 pcg 1.17 szHint.width, szHint.height);
1111 pcg 1.1 #else
1112 sf-exg 1.355 XResizeWindow (dpy, parent, szHint.width, szHint.height);
1113 pcg 1.1 #endif
1114     }
1115    
1116 root 1.314 if (set_hint)
1117 sf-exg 1.355 XSetWMNormalHints (dpy, parent, &szHint);
1118 root 1.314
1119 root 1.149 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1120 pcg 1.17
1121 root 1.149 if (fix_screen || newwidth != old_width || newheight != old_height)
1122 pcg 1.17 {
1123 root 1.180 if (scrollBar.state)
1124 ayin 1.307 scrollBar.resize ();
1125 pcg 1.17
1126 root 1.218 XMoveResizeWindow (dpy, vt,
1127 pcg 1.67 window_vt_x, window_vt_y,
1128 sf-exg 1.366 vt_width, vt_height);
1129 root 1.132
1130 root 1.377 HOOK_INVOKE ((this, HOOK_SIZE_CHANGE, DT_INT, newwidth, DT_INT, newheight, DT_END));
1131    
1132 ayin 1.247 #ifdef HAVE_BG_PIXMAP
1133 sf-exg 1.349 if (bg_window_size_sensitive ())
1134 sasha 1.248 update_background ();
1135 pcg 1.1 #endif
1136     }
1137    
1138 pcg 1.17 if (fix_screen || old_height == 0)
1139 root 1.315 scr_reset ();
1140 pcg 1.1
1141 root 1.376 #if USE_XIM
1142 sf-exg 1.358 im_set_position ();
1143 pcg 1.1 #endif
1144     }
1145    
1146     /*
1147     * Set the width/height of the vt window in characters. Units are pixels.
1148     * good for toggling 80/132 columns
1149     */
1150     void
1151 root 1.149 rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1152 pcg 1.1 {
1153 pcg 1.26 XWindowAttributes wattr;
1154 pcg 1.1
1155 root 1.149 if (newwidth == 0 || newheight == 0)
1156 pcg 1.26 {
1157 root 1.218 XGetWindowAttributes (dpy, display->root, &wattr);
1158 root 1.142
1159 root 1.149 if (newwidth == 0)
1160     newwidth = wattr.width - szHint.base_width;
1161     if (newheight == 0)
1162     newheight = wattr.height - szHint.base_height;
1163 pcg 1.26 }
1164 root 1.80
1165 sf-exg 1.366 if (newwidth != vt_width || newheight != vt_height)
1166 pcg 1.26 {
1167 root 1.149 newwidth += szHint.base_width;
1168     newheight += szHint.base_height;
1169     resize_all_windows (newwidth, newheight, 0);
1170 pcg 1.1 }
1171     }
1172    
1173     /* -------------------------------------------------------------------- *
1174     * - X INPUT METHOD ROUTINES - *
1175     * -------------------------------------------------------------------- */
1176 root 1.376 #if USE_XIM
1177 pcg 1.29
1178 pcg 1.1 void
1179 root 1.94 rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1180 pcg 1.1 {
1181 root 1.216 fg = pix_colors [Color_fg];
1182     bg = pix_colors [Color_bg];
1183 pcg 1.1 }
1184    
1185     void
1186 root 1.94 rxvt_term::im_set_size (XRectangle &size)
1187 pcg 1.1 {
1188 root 1.94 // the int_bwidth terms make no sense to me
1189 root 1.149 size.x = int_bwidth;
1190     size.y = int_bwidth;
1191     size.width = Width2Pixel (ncol) + int_bwidth;
1192     size.height = Height2Pixel (nrow) + int_bwidth;
1193 root 1.94 }
1194    
1195     void
1196     rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1197     XRectangle &status_rect,
1198     const XRectangle &needed_rect)
1199     {
1200     preedit_rect.x = needed_rect.width;
1201     preedit_rect.y = 0;
1202 root 1.149 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1203     preedit_rect.height = fheight;
1204 root 1.94
1205     status_rect.x = 0;
1206     status_rect.y = 0;
1207 root 1.149 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1208     status_rect.height = fheight;
1209 pcg 1.1 }
1210    
1211     /* Checking whether input method is running. */
1212 pcg 1.22 bool
1213 sf-exg 1.358 rxvt_term::im_is_running ()
1214 pcg 1.1 {
1215 root 1.94 Atom atom;
1216     Window win;
1217     char server[IMBUFSIZ];
1218 pcg 1.26
1219     /* get current locale modifier */
1220 root 1.316 if (char *p = XSetLocaleModifiers (0))
1221 pcg 1.26 {
1222 root 1.94 strcpy (server, "@server=");
1223 root 1.316 strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
1224 root 1.94
1225 root 1.316 if (p = strchr (server + 1, '@')) /* first one only */
1226 pcg 1.26 *p = '\0';
1227    
1228 root 1.218 atom = XInternAtom (dpy, server, False);
1229     win = XGetSelectionOwner (dpy, atom);
1230 root 1.94
1231 pcg 1.26 if (win != None)
1232 sf-exg 1.351 return true;
1233 pcg 1.1 }
1234 root 1.94
1235 sf-exg 1.351 return false;
1236 pcg 1.1 }
1237    
1238     void
1239 sf-exg 1.358 rxvt_term::im_send_spot ()
1240 pcg 1.1 {
1241 root 1.114 XPoint nspot;
1242 root 1.94 XVaNestedList preedit_attr;
1243 pcg 1.1
1244 root 1.94 if (!Input_Context
1245 root 1.149 || !focus
1246 root 1.202 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1247 root 1.114 return;
1248    
1249     im_set_position (nspot);
1250    
1251     if (nspot.x == spot.x && nspot.y == spot.y)
1252 pcg 1.26 return;
1253 pcg 1.1
1254 root 1.114 spot = nspot;
1255 pcg 1.1
1256 pcg 1.32 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1257     XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1258     XFree (preedit_attr);
1259 pcg 1.1 }
1260    
1261     void
1262 pcg 1.29 rxvt_term::im_destroy ()
1263     {
1264 root 1.114 if (input_method)
1265 pcg 1.29 {
1266 root 1.114 if (Input_Context && input_method->xim)
1267     XDestroyIC (Input_Context);
1268 pcg 1.29
1269     display->put_xim (input_method);
1270     input_method = 0;
1271     }
1272 root 1.114
1273     Input_Context = 0;
1274 pcg 1.1 }
1275    
1276 root 1.200 #ifdef ENABLE_XIM_ONTHESPOT
1277    
1278     static void
1279     xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1280     {
1281     ((rxvt_term *)client_data)->make_current ();
1282     HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1283     }
1284    
1285     static void
1286     xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1287     {
1288     ((rxvt_term *)client_data)->make_current ();
1289     HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1290     }
1291    
1292     static void
1293     xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1294     {
1295     rxvt_term *term = (rxvt_term *)client_data;
1296     XIMText *text = call_data->text;
1297    
1298     term->make_current ();
1299    
1300     if (text)
1301     {
1302 sf-exg 1.320 wchar_t *str;
1303 root 1.200
1304     if (!text->encoding_is_wchar && text->string.multi_byte)
1305     {
1306     // of course, X makes it ugly again
1307     if (term->rs[Rs_imLocale])
1308     SET_LOCALE (term->rs[Rs_imLocale]);
1309    
1310 sf-exg 1.320 str = rxvt_temp_buf<wchar_t> (text->length + 1);
1311     mbstowcs (str, text->string.multi_byte, text->length + 1);
1312 root 1.200
1313     if (term->rs[Rs_imLocale])
1314     SET_LOCALE (term->locale);
1315     }
1316     else
1317 sf-exg 1.320 str = text->string.wide_char;
1318 ayin 1.255
1319 root 1.200 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1320     DT_INT, call_data->caret,
1321     DT_INT, call_data->chg_first,
1322     DT_INT, call_data->chg_length,
1323     DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1324     DT_WCS_LEN, str, str ? (int)text->length : 0,
1325     DT_END));
1326     }
1327     else
1328     HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1329     DT_INT, call_data->caret,
1330     DT_INT, call_data->chg_first,
1331     DT_INT, call_data->chg_length,
1332     DT_END));
1333     }
1334    
1335 root 1.201 #if 0
1336 root 1.200 static void
1337     xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1338     {
1339     ((rxvt_term *)client_data)->make_current ();
1340     HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1341     DT_INT, call_data->position,
1342     DT_INT, call_data->direction,
1343     DT_INT, call_data->style,
1344     DT_END));
1345     }
1346 root 1.201 #endif
1347 root 1.200
1348     #endif
1349    
1350 pcg 1.1 /*
1351     * Try to open a XIM with the current modifiers, then see if we can
1352     * open a suitable preedit type
1353     */
1354 pcg 1.22 bool
1355 sf-exg 1.358 rxvt_term::im_get_ic (const char *modifiers)
1356 pcg 1.1 {
1357 root 1.94 int i, j, found;
1358     XIM xim;
1359     XPoint spot;
1360     XRectangle rect, status_rect, needed_rect;
1361     unsigned long fg, bg;
1362     const char *p;
1363     char **s;
1364     XIMStyles *xim_styles;
1365 pcg 1.29
1366 root 1.176 set_environ (envv);
1367 root 1.171
1368 pcg 1.32 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1369 pcg 1.29 return false;
1370 pcg 1.26
1371 pcg 1.29 input_method = display->get_xim (locale, modifiers);
1372     if (input_method == NULL)
1373     return false;
1374    
1375     xim = input_method->xim;
1376 root 1.114 spot.x = spot.y = -1;
1377 pcg 1.26
1378     xim_styles = NULL;
1379     if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1380     || !xim_styles || !xim_styles->count_styles)
1381     {
1382 root 1.94 im_destroy ();
1383 pcg 1.29 return false;
1384 pcg 1.26 }
1385    
1386 root 1.116 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1387 root 1.94
1388 root 1.116 for (int pi = 0; pi < 2; pi++)
1389 pcg 1.26 {
1390 root 1.116 p = pet[pi];
1391    
1392     if (!p)
1393     continue;
1394    
1395 sf-exg 1.347 s = rxvt_strsplit (',', p);
1396 root 1.116
1397     for (i = found = 0; !found && s[i]; i++)
1398     {
1399     if (!strcmp (s[i], "OverTheSpot"))
1400 root 1.200 input_style = XIMPreeditPosition | XIMStatusNothing;
1401 root 1.116 else if (!strcmp (s[i], "OffTheSpot"))
1402 root 1.200 input_style = XIMPreeditArea | XIMStatusArea;
1403 root 1.116 else if (!strcmp (s[i], "Root"))
1404 root 1.200 input_style = XIMPreeditNothing | XIMStatusNothing;
1405 root 1.116 else if (!strcmp (s[i], "None"))
1406 root 1.200 input_style = XIMPreeditNone | XIMStatusNone;
1407     #ifdef ENABLE_XIM_ONTHESPOT
1408     else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1409     input_style = XIMPreeditCallbacks | XIMStatusNothing;
1410     #endif
1411     else
1412     input_style = XIMPreeditNothing | XIMStatusNothing;
1413 root 1.116
1414     for (j = 0; j < xim_styles->count_styles; j++)
1415     if (input_style == xim_styles->supported_styles[j])
1416     {
1417 sf-exg 1.347 rxvt_free_strsplit (s);
1418 root 1.116
1419     found = 1;
1420     goto foundpet;
1421     }
1422    
1423     }
1424    
1425 sf-exg 1.347 rxvt_free_strsplit (s);
1426 pcg 1.26 }
1427 pcg 1.29
1428 root 1.116 foundpet:
1429 pcg 1.29
1430     XFree (xim_styles);
1431 pcg 1.26
1432     if (!found)
1433     {
1434 root 1.94 im_destroy ();
1435 pcg 1.29 return false;
1436 pcg 1.26 }
1437    
1438 root 1.94 XFontSet fs = 0;
1439     XVaNestedList preedit_attr = 0, status_attr = 0;
1440    
1441     if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1442     {
1443     // fake us a font-set, please
1444     char **missing_charset_list;
1445     int missing_charset_count;
1446     char *def_string;
1447     char pat[512];
1448    
1449     sprintf (pat,
1450     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1451     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1452     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1453     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1454     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1455     "*",
1456 root 1.149 fheight,
1457     fheight + 1, fheight - 1,
1458     fheight - 2, fheight + 2);
1459 root 1.94
1460 root 1.218 fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1461 root 1.94 &missing_charset_list, &missing_charset_count, &def_string);
1462    
1463     if (missing_charset_list)
1464     XFreeStringList (missing_charset_list);
1465    
1466     if (!fs)
1467     {
1468     input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1469     rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1470     }
1471     }
1472 pcg 1.26
1473     if (input_style & XIMPreeditPosition)
1474     {
1475 root 1.94 im_set_size (rect);
1476     im_set_position (spot);
1477     im_set_color (fg, bg);
1478    
1479     preedit_attr = XVaCreateNestedList (0,
1480     XNForeground, fg,
1481     XNBackground, bg,
1482     XNArea, &rect,
1483     XNSpotLocation, &spot,
1484     XNFontSet, fs,
1485     NULL);
1486 pcg 1.1 }
1487 pcg 1.26 else if (input_style & XIMPreeditArea)
1488     {
1489 root 1.94 im_set_color (fg, bg);
1490 pcg 1.26
1491     /*
1492     * The necessary width of preedit area is unknown
1493     * until create input context.
1494     */
1495     needed_rect.width = 0;
1496 root 1.94 im_set_preedit_area (rect, status_rect, needed_rect);
1497 pcg 1.26
1498 root 1.94 preedit_attr = XVaCreateNestedList (0,
1499     XNForeground, fg,
1500     XNBackground, bg,
1501     XNArea, &rect,
1502     XNFontSet, fs,
1503     NULL);
1504     status_attr = XVaCreateNestedList (0,
1505     XNForeground, fg,
1506     XNBackground, bg,
1507     XNArea, &status_rect,
1508     XNFontSet, fs,
1509 pcg 1.26 NULL);
1510     }
1511 root 1.205 #if ENABLE_XIM_ONTHESPOT
1512 root 1.200 else if (input_style & XIMPreeditCallbacks)
1513     {
1514 sf-exg 1.357 XIMCallback xcb[4];
1515    
1516 root 1.202 im_set_position (spot);
1517    
1518 root 1.200 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1519     xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1520     xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1521 root 1.205 # if 0
1522 root 1.200 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1523 root 1.205 # endif
1524 root 1.200
1525     preedit_attr = XVaCreateNestedList (0,
1526 root 1.202 XNSpotLocation, &spot,
1527 root 1.200 XNPreeditStartCallback, &xcb[0],
1528     XNPreeditDoneCallback , &xcb[1],
1529     XNPreeditDrawCallback , &xcb[2],
1530 root 1.205 # if 0
1531 root 1.200 XNPreeditCaretCallback, &xcb[3],
1532 root 1.205 # endif
1533 root 1.200 NULL);
1534     }
1535 root 1.205 #endif
1536 pcg 1.29
1537 root 1.94 Input_Context = XCreateIC (xim,
1538     XNInputStyle, input_style,
1539 root 1.149 XNClientWindow, vt,
1540 sf-exg 1.355 XNFocusWindow, parent,
1541 root 1.94 preedit_attr ? XNPreeditAttributes : NULL,
1542     preedit_attr,
1543     status_attr ? XNStatusAttributes : NULL,
1544     status_attr, NULL);
1545    
1546 pcg 1.32 if (preedit_attr) XFree (preedit_attr);
1547 root 1.220 if (status_attr) XFree (status_attr);
1548     if (fs) XFreeFontSet (dpy, fs);
1549 pcg 1.29
1550 pcg 1.26 if (Input_Context == NULL)
1551     {
1552 pcg 1.60 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1553 root 1.94 im_destroy ();
1554 pcg 1.29 return false;
1555 pcg 1.26 }
1556 pcg 1.29
1557 root 1.200 #if 0
1558     // unfortunately, only the focus window is used by XIM, hard to fix
1559 root 1.198 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1560     vt_select_input ();
1561 root 1.200 #endif
1562 root 1.198
1563 sf-exg 1.358 im_set_position ();
1564 pcg 1.29
1565     return true;
1566 pcg 1.16 }
1567    
1568     void
1569 pcg 1.29 rxvt_term::im_cb ()
1570 pcg 1.16 {
1571 root 1.147 int i;
1572 pcg 1.16 const char *p;
1573     char **s;
1574     char buf[IMBUFSIZ];
1575    
1576 root 1.177 make_current ();
1577 root 1.135
1578 pcg 1.29 im_destroy ();
1579    
1580     if (Input_Context)
1581 pcg 1.16 return;
1582    
1583 pcg 1.29 if (rs[Rs_imLocale])
1584 pcg 1.38 SET_LOCALE (rs[Rs_imLocale]);
1585 pcg 1.16
1586 pcg 1.29 p = rs[Rs_inputMethod];
1587 pcg 1.16 if (p && *p)
1588     {
1589     bool found = false;
1590    
1591 sf-exg 1.347 s = rxvt_strsplit (',', p);
1592 root 1.116
1593 pcg 1.16 for (i = 0; s[i]; i++)
1594     {
1595     if (*s[i])
1596     {
1597 root 1.94 strcpy (buf, "@im=");
1598     strncat (buf, s[i], IMBUFSIZ - 5);
1599 sf-exg 1.358 if (im_get_ic (buf))
1600 pcg 1.16 {
1601     found = true;
1602     break;
1603     }
1604     }
1605     }
1606 root 1.116
1607 sf-exg 1.347 rxvt_free_strsplit (s);
1608 pcg 1.16
1609     if (found)
1610     goto done;
1611     }
1612    
1613 pcg 1.26 /* try with XMODIFIERS env. var. */
1614 sf-exg 1.358 if (im_get_ic (""))
1615 pcg 1.16 goto done;
1616    
1617 pcg 1.26 /* try with no modifiers base IF the user didn't specify an IM */
1618 sf-exg 1.358 if (im_get_ic ("@im=none"))
1619 pcg 1.16 goto done;
1620    
1621 sf-exg 1.371 done:
1622 pcg 1.29 if (rs[Rs_imLocale])
1623 pcg 1.38 SET_LOCALE (locale);
1624 pcg 1.1 }
1625    
1626     void
1627 sf-exg 1.358 rxvt_term::im_set_position ()
1628 pcg 1.1 {
1629 root 1.94 XRectangle preedit_rect, status_rect, *needed_rect;
1630     XVaNestedList preedit_attr, status_attr;
1631 pcg 1.1
1632 root 1.94 if (!Input_Context
1633 root 1.149 || !focus
1634 root 1.220 || !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1635 sf-exg 1.358 || !im_is_running ())
1636 pcg 1.26 return;
1637 pcg 1.1
1638 root 1.222 if (input_style & XIMPreeditPosition)
1639 root 1.221 {
1640     im_set_size (preedit_rect);
1641     preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1642 ayin 1.255
1643 root 1.221 XSetICValues (Input_Context,
1644     XNPreeditAttributes, preedit_attr, NULL);
1645     }
1646     else
1647     {
1648     /* Getting the necessary width of preedit area */
1649     status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1650     XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1651     XFree (status_attr);
1652 pcg 1.1
1653 root 1.221 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1654     XFree (needed_rect);
1655    
1656     preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1657     status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1658    
1659     XSetICValues (Input_Context,
1660     XNPreeditAttributes, preedit_attr,
1661     XNStatusAttributes, status_attr,
1662     NULL);
1663    
1664     XFree (status_attr);
1665     }
1666    
1667     XFree (preedit_attr);
1668 pcg 1.1 }
1669 ayin 1.258 #endif /* USE_XIM */
1670 pcg 1.1
1671 sasha 1.249 void
1672     rxvt_term::get_window_origin (int &x, int &y)
1673     {
1674     Window cr;
1675 sf-exg 1.355 XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
1676 sasha 1.249 }
1677    
1678     #ifdef HAVE_BG_PIXMAP
1679 root 1.267
1680 root 1.291 void
1681 sasha 1.249 rxvt_term::update_background ()
1682     {
1683 root 1.294 if (update_background_ev.is_active ())
1684     return;
1685    
1686 sf-exg 1.349 bg_invalidate ();
1687 sasha 1.249
1688 sf-exg 1.361 if (!mapped)
1689     return;
1690    
1691 sf-exg 1.349 ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
1692 root 1.294
1693 sasha 1.297 if (to_wait <= 0.)
1694 sf-exg 1.349 bg_render ();
1695 sasha 1.249 else
1696 sasha 1.296 update_background_ev.start (to_wait);
1697 sasha 1.249 }
1698    
1699     void
1700 root 1.256 rxvt_term::update_background_cb (ev::timer &w, int revents)
1701 sasha 1.249 {
1702 root 1.284 make_current ();
1703 root 1.294
1704     update_background_ev.stop ();
1705 sf-exg 1.349 bg_render ();
1706 root 1.284 refresh_check ();
1707 sasha 1.249 }
1708    
1709     #endif /* HAVE_BG_PIXMAP */
1710    
1711 pcg 1.1 /*----------------------- end-of-file (C source) -----------------------*/