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Revision: 1.382
Committed: Tue Jun 5 12:04:55 2012 UTC (11 years, 11 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.381: +3 -1 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 root 1.382 #if 0
438     sprintf (number, "RENDER.%d", event->minor_code);
439 root 1.381 XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
440     rxvt_warn ("+ (which is %s)\n", buffer);
441 root 1.382 #endif
442 root 1.381 }
443    
444     XFreeExtensionList (exts);
445     }
446     else
447 root 1.378 {
448 root 1.381 sprintf (number, "%d", event->request_code);
449     XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
450     rxvt_warn ("+ (which is %s)\n", buffer);
451 root 1.378 }
452    
453     if (event->error_code == BadWindow
454     || event->error_code == BadPixmap
455     || event->error_code == BadCursor
456     || event->error_code == BadFont
457     || event->error_code == BadDrawable
458     || event->error_code == BadColor
459     || event->error_code == BadGC
460     || event->error_code == BadIDChoice
461     || event->error_code == BadValue
462     || event->error_code == BadAtom)
463     {
464 sf-exg 1.326 if (event->error_code == BadValue)
465 root 1.380 XGetErrorDatabaseText (dpy, "XlibMessage", "Value", "Value 0x%x", mesg, BUFSIZ);
466 sf-exg 1.326 else if (event->error_code == BadAtom)
467 root 1.380 XGetErrorDatabaseText (dpy, "XlibMessage", "AtomID", "AtomID 0x%x", mesg, BUFSIZ);
468 sf-exg 1.326 else
469 root 1.380 XGetErrorDatabaseText (dpy, "XlibMessage", "ResourceID", "ResourceID 0x%x", mesg, BUFSIZ);
470 root 1.378
471 root 1.380 snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->resourceid);
472 root 1.135 }
473     }
474     #endif
475    
476 root 1.373 int ecb_cold
477 root 1.134 rxvt_xerror_handler (Display *display, XErrorEvent *event)
478     {
479     if (GET_R->allowedxerror == -1)
480     GET_R->allowedxerror = event->error_code;
481     else
482     {
483 root 1.146 // GET_R is most likely not the terminal which caused the error,
484     // so just output the error and continue
485 root 1.209 #if ENABLE_MINIMAL
486     old_xerror_handler (display, event);
487     #else
488 root 1.135 print_x_error (display, event);
489     #endif
490 root 1.134 }
491    
492     return 0;
493     }
494    
495 root 1.373 int ecb_cold
496 root 1.134 rxvt_xioerror_handler (Display *display)
497     {
498     rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
499     DisplayString (display));
500     rxvt_emergency_cleanup ();
501     _exit (EXIT_FAILURE);
502     }
503    
504 root 1.148 static struct sig_handlers
505     {
506 root 1.256 ev::sig sw_term, sw_int;
507 ayin 1.255
508 root 1.148 /*
509     * Catch a fatal signal and tidy up before quitting
510     */
511 root 1.271 void sig_term (ev::sig &w, int revents);
512 root 1.148
513     sig_handlers ()
514     {
515 root 1.270 sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
516     sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
517 root 1.148 }
518     } sig_handlers;
519    
520 root 1.271 void
521     sig_handlers::sig_term (ev::sig &w, int revents)
522     {
523     rxvt_emergency_cleanup ();
524     w.stop ();
525     kill (getpid (), w.signum);
526     }
527    
528 sf-exg 1.332 static void
529     rxvt_get_ttymode (struct termios *tio)
530     {
531     if (tcgetattr (STDIN_FILENO, tio) < 0)
532     memset (tio, 0, sizeof (struct termios));
533    
534     for (int i = 0; i < NCCS; i++)
535     tio->c_cc[i] = VDISABLE;
536    
537     tio->c_cc[VINTR] = CINTR;
538     tio->c_cc[VQUIT] = CQUIT;
539     tio->c_cc[VERASE] = CERASE;
540     #ifdef VERASE2
541     tio->c_cc[VERASE2] = CERASE2;
542     #endif
543     tio->c_cc[VKILL] = CKILL;
544     tio->c_cc[VEOF] = CEOF;
545     tio->c_cc[VSTART] = CSTART;
546     tio->c_cc[VSTOP] = CSTOP;
547     tio->c_cc[VSUSP] = CSUSP;
548     # ifdef VDSUSP
549     tio->c_cc[VDSUSP] = CDSUSP;
550     # endif
551     # ifdef VREPRINT
552     tio->c_cc[VREPRINT] = CRPRNT;
553     # endif
554     # ifdef VDISCRD
555     tio->c_cc[VDISCRD] = CFLUSH;
556     # endif
557     # ifdef VWERSE
558     tio->c_cc[VWERSE] = CWERASE;
559     # endif
560     # ifdef VLNEXT
561     tio->c_cc[VLNEXT] = CLNEXT;
562     # endif
563 sf-exg 1.336 # ifdef VSTATUS
564     tio->c_cc[VSTATUS] = CSTATUS;
565     # endif
566 sf-exg 1.332
567     # if VMIN != VEOF
568     tio->c_cc[VMIN] = 1;
569     # endif
570     # if VTIME != VEOL
571     tio->c_cc[VTIME] = 0;
572     # endif
573    
574     /* input modes */
575     tio->c_iflag = (BRKINT | IGNPAR | ICRNL
576     # ifdef IMAXBEL
577     | IMAXBEL
578     # endif
579     | IXON);
580    
581     /* output modes */
582     tio->c_oflag = (OPOST | ONLCR);
583    
584     /* control modes */
585     tio->c_cflag = (CS8 | CREAD);
586    
587     /* local modes */
588     tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
589     # if defined (ECHOCTL) && defined (ECHOKE)
590     | ECHOCTL | ECHOKE
591     # endif
592     | ECHOE | ECHOK);
593     }
594    
595 root 1.175 char **rxvt_environ; // startup environment
596    
597 pcg 1.60 void
598 root 1.94 rxvt_init ()
599 pcg 1.60 {
600 root 1.327 assert (("fontMask must not overlap other RS masks",
601     0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
602    
603 sf-exg 1.332 rxvt_get_ttymode (&rxvt_term::def_tio);
604    
605 sf-exg 1.331 // get rid of stdin/stdout as we don't need them, to free resources
606     dup2 (STDERR_FILENO, STDIN_FILENO);
607     dup2 (STDERR_FILENO, STDOUT_FILENO);
608    
609 root 1.333 if (!ev_default_loop ())
610 root 1.257 rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
611 root 1.186
612 root 1.175 rxvt_environ = environ;
613    
614 root 1.114 signal (SIGHUP, SIG_IGN);
615     signal (SIGPIPE, SIG_IGN);
616 pcg 1.60
617 root 1.264 sig_handlers.sw_term.start (SIGTERM); ev_unref ();
618     sig_handlers.sw_int.start (SIGINT); ev_unref ();
619 root 1.148
620 pcg 1.60 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
621 root 1.114 // TODO: handle this with exceptions and tolerate the memory loss
622 root 1.134 XSetIOErrorHandler (rxvt_xioerror_handler);
623 root 1.166
624     XrmInitialize ();
625 root 1.374
626 root 1.376 #if HAVE_PIXBUF
627 root 1.374 g_type_init ();
628     #endif
629 pcg 1.60 }
630    
631 pcg 1.1 /*----------------------------------------------------------------------*/
632     /*
633 ayin 1.236 * window size/position calculations for XSizeHint and other storage.
634 pcg 1.1 * if width/height are non-zero then override calculated width/height
635     */
636     void
637 root 1.149 rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
638 pcg 1.1 {
639 root 1.134 short recalc_x, recalc_y;
640 ayin 1.306 int x, y, flags;
641 root 1.134 unsigned int w, h;
642     unsigned int max_width, max_height;
643 pcg 1.26
644     szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
645     szHint.win_gravity = NorthWestGravity;
646     /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
647    
648     recalc_x = recalc_y = 0;
649     flags = 0;
650 root 1.149
651 pcg 1.26 if (!parsed_geometry)
652     {
653     parsed_geometry = 1;
654 root 1.149
655 pcg 1.26 if (rs[Rs_geometry])
656 pcg 1.32 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
657 root 1.136
658 pcg 1.26 if (flags & WidthValue)
659     {
660 root 1.310 if (!w)
661     rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
662    
663     ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
664 pcg 1.26 szHint.flags |= USSize;
665 pcg 1.3 }
666 root 1.136
667 pcg 1.26 if (flags & HeightValue)
668     {
669 root 1.310 if (!h)
670     rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
671    
672     nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
673 pcg 1.26 szHint.flags |= USSize;
674 pcg 1.3 }
675 root 1.136
676 pcg 1.26 if (flags & XValue)
677     {
678     szHint.x = x;
679     szHint.flags |= USPosition;
680 root 1.149
681 pcg 1.26 if (flags & XNegative)
682     {
683     recalc_x = 1;
684     szHint.win_gravity = NorthEastGravity;
685 pcg 1.3 }
686     }
687 root 1.136
688 pcg 1.26 if (flags & YValue)
689     {
690     szHint.y = y;
691     szHint.flags |= USPosition;
692 root 1.149
693 pcg 1.26 if (flags & YNegative)
694     {
695     recalc_y = 1;
696 root 1.149
697 pcg 1.26 if (szHint.win_gravity == NorthEastGravity)
698     szHint.win_gravity = SouthEastGravity;
699     else
700     szHint.win_gravity = SouthWestGravity;
701 pcg 1.3 }
702     }
703 pcg 1.1 }
704 pcg 1.53
705 pcg 1.26 /* TODO: BOUNDS */
706 root 1.149 width = ncol * fwidth;
707     height = nrow * fheight;
708     max_width = MAX_COLS * fwidth;
709     max_height = MAX_ROWS * fheight;
710 pcg 1.26
711 root 1.149 szHint.base_width = szHint.base_height = 2 * int_bwidth;
712 pcg 1.26
713 root 1.149 window_vt_x = window_vt_y = int_bwidth;
714 pcg 1.67
715 root 1.180 if (scrollBar.state)
716 pcg 1.26 {
717 ayin 1.306 int sb_w = scrollBar.total_width ();
718 pcg 1.26 szHint.base_width += sb_w;
719 root 1.213
720 root 1.232 if (!option (Opt_scrollBar_right))
721 root 1.70 window_vt_x += sb_w;
722 pcg 1.26 }
723 pcg 1.67
724 root 1.219 szHint.width_inc = fwidth;
725 root 1.149 szHint.height_inc = fheight;
726 root 1.219 szHint.min_width = szHint.base_width + szHint.width_inc;
727 pcg 1.26 szHint.min_height = szHint.base_height + szHint.height_inc;
728    
729 root 1.149 if (newwidth && newwidth - szHint.base_width < max_width)
730 pcg 1.26 {
731 root 1.149 szHint.width = newwidth;
732     width = newwidth - szHint.base_width;
733 pcg 1.26 }
734     else
735     {
736 root 1.150 min_it (width, max_width);
737 root 1.149 szHint.width = szHint.base_width + width;
738 pcg 1.26 }
739 pcg 1.67
740 root 1.149 if (newheight && newheight - szHint.base_height < max_height)
741 pcg 1.26 {
742 root 1.149 szHint.height = newheight;
743     height = newheight - szHint.base_height;
744 pcg 1.26 }
745     else
746     {
747 root 1.150 min_it (height, max_height);
748 root 1.149 szHint.height = szHint.base_height + height;
749 pcg 1.26 }
750 pcg 1.67
751 pcg 1.26 if (recalc_x)
752 root 1.218 szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
753 root 1.206
754 pcg 1.26 if (recalc_y)
755 root 1.218 szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
756 pcg 1.26
757 root 1.312 ncol = width / fwidth;
758 root 1.149 nrow = height / fheight;
759 sf-exg 1.360
760     // When the size of the vt window is not a multiple of the cell
761     // size, i.e., when the wm does not honour our size hints, there are
762     // extra areas not covered by the terminal screen. Such gaps, when a
763     // bg pixmap is set, would have to be cleared manually to properly
764     // refresh the background. We take the simpler route and shrink the
765     // vt window so as to avoid creating gaps.
766 sf-exg 1.366 vt_width = ncol * fwidth;
767     vt_height = nrow * fheight;
768 pcg 1.1 }
769    
770     /*----------------------------------------------------------------------*/
771     /*
772     * Tell the teletype handler what size the window is.
773     * Called after a window size change.
774     */
775     void
776 pcg 1.9 rxvt_term::tt_winch ()
777 pcg 1.1 {
778 root 1.184 if (pty->pty < 0)
779 root 1.94 return;
780    
781 pcg 1.20 struct winsize ws;
782 pcg 1.9
783 root 1.149 ws.ws_col = ncol;
784     ws.ws_row = nrow;
785 sf-exg 1.366 ws.ws_xpixel = vt_width;
786     ws.ws_ypixel = vt_height;
787 root 1.317 ioctl (pty->pty, TIOCSWINSZ, &ws);
788 root 1.94
789     #if 0
790 ayin 1.274 // TIOCSWINSZ is supposed to do this automatically and correctly
791 root 1.94 if (cmd_pid) /* force through to the command */
792 root 1.140 kill (-cmd_pid, SIGWINCH);
793 pcg 1.1 #endif
794     }
795    
796     /*----------------------------------------------------------------------*/
797 sf-exg 1.356 /* load and set the various fonts */
798 pcg 1.41 bool
799 root 1.108 rxvt_term::set_fonts ()
800 pcg 1.41 {
801 root 1.108 rxvt_fontset *fs = new rxvt_fontset (this);
802     rxvt_fontprop prop;
803    
804     if (!fs
805 root 1.114 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
806 root 1.108 || !fs->realize_font (1))
807 pcg 1.41 {
808 root 1.108 delete fs;
809     return false;
810 pcg 1.41 }
811 root 1.108
812     #if ENABLE_STYLES
813     for (int i = RS_styleCount; --i; )
814 root 1.149 if (fontset[i] != fontset[0])
815     delete fontset[i];
816 root 1.108 #endif
817    
818 root 1.149 delete fontset[0];
819     fontset[0] = fs;
820 root 1.108
821 root 1.325 prop = (*fs)[rxvt_fontset::firstFont]->properties ();
822 root 1.318 prop.width += letterSpace;
823 root 1.230
824     fs->set_prop (prop, false);
825 root 1.108
826 root 1.149 fwidth = prop.width;
827 sf-exg 1.372 fheight = prop.height + lineSpace;
828 root 1.158 fbase = prop.ascent;
829 root 1.108
830     for (int style = 1; style < 4; style++)
831 pcg 1.41 {
832 root 1.108 #if ENABLE_STYLES
833     const char *res = rs[Rs_font + style];
834 pcg 1.41
835 root 1.108 if (res && !*res)
836 root 1.149 fontset[style] = fontset[0];
837 root 1.108 else
838 pcg 1.41 {
839 root 1.149 fontset[style] = fs = new rxvt_fontset (this);
840 root 1.108 rxvt_fontprop prop2 = prop;
841 pcg 1.41
842 root 1.108 if (res)
843 root 1.231 {
844     fs->populate (res);
845     fs->set_prop (prop2, false);
846     }
847 root 1.108 else
848 pcg 1.42 {
849 root 1.231 fs->populate (fontset[0]->fontdesc);
850 pcg 1.42
851 root 1.108 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
852     if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
853 root 1.231
854     fs->set_prop (prop2, true);
855 root 1.108 }
856 root 1.76
857 pcg 1.41 }
858 root 1.108 #else
859 root 1.149 fontset[style] = fontset[0];
860 root 1.108 #endif
861 pcg 1.41 }
862    
863 sf-exg 1.355 if (parent)
864 root 1.108 {
865     resize_all_windows (0, 0, 0);
866     scr_remap_chars ();
867     scr_touch (true);
868 ayin 1.255 }
869 pcg 1.1
870 root 1.108 return true;
871 pcg 1.41 }
872 pcg 1.1
873 ayin 1.253 void
874     rxvt_term::set_string_property (Atom prop, const char *str, int len)
875 root 1.118 {
876 sf-exg 1.355 XChangeProperty (dpy, parent,
877 root 1.118 prop, XA_STRING, 8, PropModeReplace,
878     (const unsigned char *)str, len >= 0 ? len : strlen (str));
879     }
880    
881 ayin 1.253 void
882 sf-exg 1.328 rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
883     {
884     XTextProperty ct;
885    
886     if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
887     {
888 sf-exg 1.355 XSetTextProperty (dpy, parent, &ct, prop);
889 sf-exg 1.328 XFree (ct.value);
890     }
891     }
892    
893     void
894 ayin 1.253 rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
895 root 1.118 {
896     wchar_t *ws = rxvt_mbstowcs (str, len);
897     char *s = rxvt_wcstoutf8 (ws);
898    
899 sf-exg 1.355 XChangeProperty (dpy, parent,
900 root 1.118 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
901     (const unsigned char *)s, strlen (s));
902    
903     free (s);
904     free (ws);
905     }
906    
907 pcg 1.1 /*----------------------------------------------------------------------*/
908     /*----------------------------------------------------------------------*/
909     /* xterm sequences - title, iconName, color (exptl) */
910     void
911 pcg 1.22 rxvt_term::set_title (const char *str)
912 pcg 1.1 {
913 sf-exg 1.328 set_mbstring_property (XA_WM_NAME, str);
914 root 1.144 #if ENABLE_EWMH
915 root 1.121 set_utf8_property (xa[XA_NET_WM_NAME], str);
916 pcg 1.1 #endif
917     }
918    
919     void
920 pcg 1.60 rxvt_term::set_icon_name (const char *str)
921 pcg 1.1 {
922 sf-exg 1.328 set_mbstring_property (XA_WM_ICON_NAME, str);
923 root 1.144 #if ENABLE_EWMH
924 root 1.121 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
925 pcg 1.1 #endif
926     }
927    
928     void
929 pcg 1.22 rxvt_term::set_window_color (int idx, const char *color)
930 pcg 1.1 {
931 ayin 1.252 #ifdef XTERM_COLOR_CHANGE
932 pcg 1.46 rxvt_color xcol;
933 ayin 1.255
934 pcg 1.26 if (color == NULL || *color == '\0')
935     return;
936 pcg 1.1
937 root 1.212 color = strdup (color);
938     allocated.push_back ((void *)color);
939     rs[Rs_color + idx] = color;
940    
941 pcg 1.26 /* handle color aliases */
942 pcg 1.32 if (isdigit (*color))
943 pcg 1.26 {
944 ayin 1.304 int i = atoi (color);
945 root 1.134
946 pcg 1.26 if (i >= 8 && i <= 15)
947 ayin 1.265 {
948     /* bright colors */
949 ayin 1.266 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
950 root 1.145 goto done;
951 root 1.134 }
952 pcg 1.26
953     if (i >= 0 && i <= 7)
954 ayin 1.265 {
955     /* normal colors */
956 root 1.94 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
957 root 1.145 goto done;
958 pcg 1.3 }
959 pcg 1.1 }
960 pcg 1.65
961 root 1.212 set_color (xcol, color);
962 pcg 1.1
963 pcg 1.26 /*
964     * FIXME: should free colors here, but no idea how to do it so instead,
965     * so just keep gobbling up the colormap
966     */
967 pcg 1.1
968 root 1.94 pix_colors_focused[idx] = xcol;
969 pcg 1.1
970 root 1.145 done:
971 root 1.108 /*TODO: handle Color_BD, scrollbar background, etc. */
972 pcg 1.26
973 root 1.225 update_fade_color (idx);
974 pcg 1.26 recolour_cursor ();
975 root 1.108 scr_recolour ();
976 ayin 1.258 #endif /* XTERM_COLOR_CHANGE */
977 pcg 1.1 }
978    
979     void
980 pcg 1.15 rxvt_term::recolour_cursor ()
981 pcg 1.1 {
982 root 1.215 XColor fg, bg;
983 pcg 1.1
984 root 1.215 (ISSET_PIXCOLOR (Color_pointer_fg)
985     ? pix_colors_focused[Color_pointer_fg]
986     : pix_colors_focused[Color_fg]).get (fg);
987 root 1.108
988 root 1.215 (ISSET_PIXCOLOR (Color_pointer_bg)
989     ? pix_colors_focused[Color_pointer_bg]
990     : pix_colors_focused[Color_bg]).get (bg);
991    
992 root 1.218 XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
993 pcg 1.1 }
994    
995     /*----------------------------------------------------------------------*/
996     /*
997     * find if fg/bg matches any of the normal (low-intensity) colors
998     */
999 sf-exg 1.365 char *
1000     rxvt_term::get_colorfgbg ()
1001 pcg 1.1 {
1002 root 1.108 unsigned int i;
1003 root 1.268 const char *xpmb = "";
1004 sf-exg 1.346 char fstr[] = "default";
1005     char bstr[] = "default";
1006 sf-exg 1.365 char *env_colorfgbg;
1007 pcg 1.26
1008     for (i = Color_Black; i <= Color_White; i++)
1009 root 1.94 if (pix_colors[Color_fg] == pix_colors[i])
1010 pcg 1.26 {
1011 root 1.345 sprintf (fstr, "%d", i - Color_Black);
1012 pcg 1.26 break;
1013     }
1014 root 1.108
1015 pcg 1.26 for (i = Color_Black; i <= Color_White; i++)
1016 root 1.94 if (pix_colors[Color_bg] == pix_colors[i])
1017 pcg 1.26 {
1018 root 1.345 sprintf (bstr, "%d", i - Color_Black);
1019 root 1.376 #if BG_IMAGE_FROM_FILE
1020 pcg 1.26 xpmb = "default;";
1021 pcg 1.1 #endif
1022 pcg 1.26 break;
1023     }
1024 pcg 1.33
1025 sf-exg 1.365 env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg"));
1026 pcg 1.32 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
1027 sf-exg 1.365 return env_colorfgbg;
1028 pcg 1.1 }
1029    
1030     /*----------------------------------------------------------------------*/
1031    
1032 root 1.208 bool
1033     rxvt_term::set_color (rxvt_color &color, const char *name)
1034 pcg 1.1 {
1035 root 1.208 if (color.set (this, name))
1036     return true;
1037 pcg 1.1
1038 root 1.208 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
1039     return false;
1040 pcg 1.1 }
1041    
1042 root 1.216 void
1043     rxvt_term::alias_color (int dst, int src)
1044     {
1045     pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
1046     }
1047    
1048 pcg 1.1 /* -------------------------------------------------------------------- *
1049     * - WINDOW RESIZING - *
1050     * -------------------------------------------------------------------- */
1051     void
1052 root 1.149 rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1053 pcg 1.1 {
1054 pcg 1.17 int fix_screen;
1055 root 1.197 int old_width = szHint.width;
1056     int old_height = szHint.height;
1057 pcg 1.1
1058 root 1.149 window_calc (newwidth, newheight);
1059 root 1.219
1060 root 1.312 bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
1061    
1062 root 1.313 // to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
1063 root 1.312 if (set_hint)
1064     {
1065     szHint.flags &= ~(PBaseSize | PResizeInc);
1066 sf-exg 1.355 XSetWMNormalHints (dpy, parent, &szHint);
1067 root 1.312 szHint.flags |= PBaseSize | PResizeInc;
1068     }
1069 pcg 1.67
1070 pcg 1.17 if (!ignoreparent)
1071     {
1072 pcg 1.3 #ifdef SMART_RESIZE
1073 pcg 1.17 /*
1074     * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
1075     * reposition window on resize depending on placement on screen
1076     */
1077     int x, y, x1, y1;
1078     int dx, dy;
1079     unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1080     Window unused_cr;
1081    
1082 sf-exg 1.355 XTranslateCoordinates (dpy, parent, display->root,
1083 pcg 1.17 0, 0, &x, &y, &unused_cr);
1084 sf-exg 1.355 XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
1085 pcg 1.17 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
1086     /*
1087 pcg 1.27 * if display->root isn't the parent window, a WM will probably have offset
1088 pcg 1.17 * our position for handles and decorations. Counter it
1089     */
1090 pcg 1.26 if (x1 != x || y1 != y)
1091     {
1092 pcg 1.17 x -= x1;
1093     y -= y1;
1094 pcg 1.26 }
1095 pcg 1.17
1096 root 1.218 x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
1097     y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
1098 root 1.197 dx = old_width - szHint.width;
1099 pcg 1.17 dy = old_height - szHint.height;
1100    
1101 pcg 1.26 /* Check position of the center of the window */
1102 pcg 1.17 if (x < x1) /* left half */
1103 pcg 1.26 dx = 0;
1104 pcg 1.17 else if (x == x1) /* exact center */
1105 pcg 1.26 dx /= 2;
1106 pcg 1.17 if (y < y1) /* top half */
1107 pcg 1.26 dy = 0;
1108 pcg 1.17 else if (y == y1) /* exact center */
1109 pcg 1.26 dy /= 2;
1110 pcg 1.3
1111 sf-exg 1.355 XMoveResizeWindow (dpy, parent, x + dx, y + dy,
1112 pcg 1.17 szHint.width, szHint.height);
1113 pcg 1.1 #else
1114 sf-exg 1.355 XResizeWindow (dpy, parent, szHint.width, szHint.height);
1115 pcg 1.1 #endif
1116     }
1117    
1118 root 1.314 if (set_hint)
1119 sf-exg 1.355 XSetWMNormalHints (dpy, parent, &szHint);
1120 root 1.314
1121 root 1.149 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1122 pcg 1.17
1123 root 1.149 if (fix_screen || newwidth != old_width || newheight != old_height)
1124 pcg 1.17 {
1125 root 1.180 if (scrollBar.state)
1126 ayin 1.307 scrollBar.resize ();
1127 pcg 1.17
1128 root 1.218 XMoveResizeWindow (dpy, vt,
1129 pcg 1.67 window_vt_x, window_vt_y,
1130 sf-exg 1.366 vt_width, vt_height);
1131 root 1.132
1132 root 1.377 HOOK_INVOKE ((this, HOOK_SIZE_CHANGE, DT_INT, newwidth, DT_INT, newheight, DT_END));
1133    
1134 ayin 1.247 #ifdef HAVE_BG_PIXMAP
1135 sf-exg 1.349 if (bg_window_size_sensitive ())
1136 sasha 1.248 update_background ();
1137 pcg 1.1 #endif
1138     }
1139    
1140 pcg 1.17 if (fix_screen || old_height == 0)
1141 root 1.315 scr_reset ();
1142 pcg 1.1
1143 root 1.376 #if USE_XIM
1144 sf-exg 1.358 im_set_position ();
1145 pcg 1.1 #endif
1146     }
1147    
1148     /*
1149     * Set the width/height of the vt window in characters. Units are pixels.
1150     * good for toggling 80/132 columns
1151     */
1152     void
1153 root 1.149 rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1154 pcg 1.1 {
1155 pcg 1.26 XWindowAttributes wattr;
1156 pcg 1.1
1157 root 1.149 if (newwidth == 0 || newheight == 0)
1158 pcg 1.26 {
1159 root 1.218 XGetWindowAttributes (dpy, display->root, &wattr);
1160 root 1.142
1161 root 1.149 if (newwidth == 0)
1162     newwidth = wattr.width - szHint.base_width;
1163     if (newheight == 0)
1164     newheight = wattr.height - szHint.base_height;
1165 pcg 1.26 }
1166 root 1.80
1167 sf-exg 1.366 if (newwidth != vt_width || newheight != vt_height)
1168 pcg 1.26 {
1169 root 1.149 newwidth += szHint.base_width;
1170     newheight += szHint.base_height;
1171     resize_all_windows (newwidth, newheight, 0);
1172 pcg 1.1 }
1173     }
1174    
1175     /* -------------------------------------------------------------------- *
1176     * - X INPUT METHOD ROUTINES - *
1177     * -------------------------------------------------------------------- */
1178 root 1.376 #if USE_XIM
1179 pcg 1.29
1180 pcg 1.1 void
1181 root 1.94 rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1182 pcg 1.1 {
1183 root 1.216 fg = pix_colors [Color_fg];
1184     bg = pix_colors [Color_bg];
1185 pcg 1.1 }
1186    
1187     void
1188 root 1.94 rxvt_term::im_set_size (XRectangle &size)
1189 pcg 1.1 {
1190 root 1.94 // the int_bwidth terms make no sense to me
1191 root 1.149 size.x = int_bwidth;
1192     size.y = int_bwidth;
1193     size.width = Width2Pixel (ncol) + int_bwidth;
1194     size.height = Height2Pixel (nrow) + int_bwidth;
1195 root 1.94 }
1196    
1197     void
1198     rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1199     XRectangle &status_rect,
1200     const XRectangle &needed_rect)
1201     {
1202     preedit_rect.x = needed_rect.width;
1203     preedit_rect.y = 0;
1204 root 1.149 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1205     preedit_rect.height = fheight;
1206 root 1.94
1207     status_rect.x = 0;
1208     status_rect.y = 0;
1209 root 1.149 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1210     status_rect.height = fheight;
1211 pcg 1.1 }
1212    
1213     /* Checking whether input method is running. */
1214 pcg 1.22 bool
1215 sf-exg 1.358 rxvt_term::im_is_running ()
1216 pcg 1.1 {
1217 root 1.94 Atom atom;
1218     Window win;
1219     char server[IMBUFSIZ];
1220 pcg 1.26
1221     /* get current locale modifier */
1222 root 1.316 if (char *p = XSetLocaleModifiers (0))
1223 pcg 1.26 {
1224 root 1.94 strcpy (server, "@server=");
1225 root 1.316 strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
1226 root 1.94
1227 root 1.316 if (p = strchr (server + 1, '@')) /* first one only */
1228 pcg 1.26 *p = '\0';
1229    
1230 root 1.218 atom = XInternAtom (dpy, server, False);
1231     win = XGetSelectionOwner (dpy, atom);
1232 root 1.94
1233 pcg 1.26 if (win != None)
1234 sf-exg 1.351 return true;
1235 pcg 1.1 }
1236 root 1.94
1237 sf-exg 1.351 return false;
1238 pcg 1.1 }
1239    
1240     void
1241 sf-exg 1.358 rxvt_term::im_send_spot ()
1242 pcg 1.1 {
1243 root 1.114 XPoint nspot;
1244 root 1.94 XVaNestedList preedit_attr;
1245 pcg 1.1
1246 root 1.94 if (!Input_Context
1247 root 1.149 || !focus
1248 root 1.202 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1249 root 1.114 return;
1250    
1251     im_set_position (nspot);
1252    
1253     if (nspot.x == spot.x && nspot.y == spot.y)
1254 pcg 1.26 return;
1255 pcg 1.1
1256 root 1.114 spot = nspot;
1257 pcg 1.1
1258 pcg 1.32 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1259     XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1260     XFree (preedit_attr);
1261 pcg 1.1 }
1262    
1263     void
1264 pcg 1.29 rxvt_term::im_destroy ()
1265     {
1266 root 1.114 if (input_method)
1267 pcg 1.29 {
1268 root 1.114 if (Input_Context && input_method->xim)
1269     XDestroyIC (Input_Context);
1270 pcg 1.29
1271     display->put_xim (input_method);
1272     input_method = 0;
1273     }
1274 root 1.114
1275     Input_Context = 0;
1276 pcg 1.1 }
1277    
1278 root 1.200 #ifdef ENABLE_XIM_ONTHESPOT
1279    
1280     static void
1281     xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1282     {
1283     ((rxvt_term *)client_data)->make_current ();
1284     HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1285     }
1286    
1287     static void
1288     xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1289     {
1290     ((rxvt_term *)client_data)->make_current ();
1291     HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1292     }
1293    
1294     static void
1295     xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1296     {
1297     rxvt_term *term = (rxvt_term *)client_data;
1298     XIMText *text = call_data->text;
1299    
1300     term->make_current ();
1301    
1302     if (text)
1303     {
1304 sf-exg 1.320 wchar_t *str;
1305 root 1.200
1306     if (!text->encoding_is_wchar && text->string.multi_byte)
1307     {
1308     // of course, X makes it ugly again
1309     if (term->rs[Rs_imLocale])
1310     SET_LOCALE (term->rs[Rs_imLocale]);
1311    
1312 sf-exg 1.320 str = rxvt_temp_buf<wchar_t> (text->length + 1);
1313     mbstowcs (str, text->string.multi_byte, text->length + 1);
1314 root 1.200
1315     if (term->rs[Rs_imLocale])
1316     SET_LOCALE (term->locale);
1317     }
1318     else
1319 sf-exg 1.320 str = text->string.wide_char;
1320 ayin 1.255
1321 root 1.200 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1322     DT_INT, call_data->caret,
1323     DT_INT, call_data->chg_first,
1324     DT_INT, call_data->chg_length,
1325     DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1326     DT_WCS_LEN, str, str ? (int)text->length : 0,
1327     DT_END));
1328     }
1329     else
1330     HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1331     DT_INT, call_data->caret,
1332     DT_INT, call_data->chg_first,
1333     DT_INT, call_data->chg_length,
1334     DT_END));
1335     }
1336    
1337 root 1.201 #if 0
1338 root 1.200 static void
1339     xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1340     {
1341     ((rxvt_term *)client_data)->make_current ();
1342     HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1343     DT_INT, call_data->position,
1344     DT_INT, call_data->direction,
1345     DT_INT, call_data->style,
1346     DT_END));
1347     }
1348 root 1.201 #endif
1349 root 1.200
1350     #endif
1351    
1352 pcg 1.1 /*
1353     * Try to open a XIM with the current modifiers, then see if we can
1354     * open a suitable preedit type
1355     */
1356 pcg 1.22 bool
1357 sf-exg 1.358 rxvt_term::im_get_ic (const char *modifiers)
1358 pcg 1.1 {
1359 root 1.94 int i, j, found;
1360     XIM xim;
1361     XPoint spot;
1362     XRectangle rect, status_rect, needed_rect;
1363     unsigned long fg, bg;
1364     const char *p;
1365     char **s;
1366     XIMStyles *xim_styles;
1367 pcg 1.29
1368 root 1.176 set_environ (envv);
1369 root 1.171
1370 pcg 1.32 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1371 pcg 1.29 return false;
1372 pcg 1.26
1373 pcg 1.29 input_method = display->get_xim (locale, modifiers);
1374     if (input_method == NULL)
1375     return false;
1376    
1377     xim = input_method->xim;
1378 root 1.114 spot.x = spot.y = -1;
1379 pcg 1.26
1380     xim_styles = NULL;
1381     if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1382     || !xim_styles || !xim_styles->count_styles)
1383     {
1384 root 1.94 im_destroy ();
1385 pcg 1.29 return false;
1386 pcg 1.26 }
1387    
1388 root 1.116 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1389 root 1.94
1390 root 1.116 for (int pi = 0; pi < 2; pi++)
1391 pcg 1.26 {
1392 root 1.116 p = pet[pi];
1393    
1394     if (!p)
1395     continue;
1396    
1397 sf-exg 1.347 s = rxvt_strsplit (',', p);
1398 root 1.116
1399     for (i = found = 0; !found && s[i]; i++)
1400     {
1401     if (!strcmp (s[i], "OverTheSpot"))
1402 root 1.200 input_style = XIMPreeditPosition | XIMStatusNothing;
1403 root 1.116 else if (!strcmp (s[i], "OffTheSpot"))
1404 root 1.200 input_style = XIMPreeditArea | XIMStatusArea;
1405 root 1.116 else if (!strcmp (s[i], "Root"))
1406 root 1.200 input_style = XIMPreeditNothing | XIMStatusNothing;
1407 root 1.116 else if (!strcmp (s[i], "None"))
1408 root 1.200 input_style = XIMPreeditNone | XIMStatusNone;
1409     #ifdef ENABLE_XIM_ONTHESPOT
1410     else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1411     input_style = XIMPreeditCallbacks | XIMStatusNothing;
1412     #endif
1413     else
1414     input_style = XIMPreeditNothing | XIMStatusNothing;
1415 root 1.116
1416     for (j = 0; j < xim_styles->count_styles; j++)
1417     if (input_style == xim_styles->supported_styles[j])
1418     {
1419 sf-exg 1.347 rxvt_free_strsplit (s);
1420 root 1.116
1421     found = 1;
1422     goto foundpet;
1423     }
1424    
1425     }
1426    
1427 sf-exg 1.347 rxvt_free_strsplit (s);
1428 pcg 1.26 }
1429 pcg 1.29
1430 root 1.116 foundpet:
1431 pcg 1.29
1432     XFree (xim_styles);
1433 pcg 1.26
1434     if (!found)
1435     {
1436 root 1.94 im_destroy ();
1437 pcg 1.29 return false;
1438 pcg 1.26 }
1439    
1440 root 1.94 XFontSet fs = 0;
1441     XVaNestedList preedit_attr = 0, status_attr = 0;
1442    
1443     if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1444     {
1445     // fake us a font-set, please
1446     char **missing_charset_list;
1447     int missing_charset_count;
1448     char *def_string;
1449     char pat[512];
1450    
1451     sprintf (pat,
1452     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1453     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1454     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1455     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1456     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1457     "*",
1458 root 1.149 fheight,
1459     fheight + 1, fheight - 1,
1460     fheight - 2, fheight + 2);
1461 root 1.94
1462 root 1.218 fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1463 root 1.94 &missing_charset_list, &missing_charset_count, &def_string);
1464    
1465     if (missing_charset_list)
1466     XFreeStringList (missing_charset_list);
1467    
1468     if (!fs)
1469     {
1470     input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1471     rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1472     }
1473     }
1474 pcg 1.26
1475     if (input_style & XIMPreeditPosition)
1476     {
1477 root 1.94 im_set_size (rect);
1478     im_set_position (spot);
1479     im_set_color (fg, bg);
1480    
1481     preedit_attr = XVaCreateNestedList (0,
1482     XNForeground, fg,
1483     XNBackground, bg,
1484     XNArea, &rect,
1485     XNSpotLocation, &spot,
1486     XNFontSet, fs,
1487     NULL);
1488 pcg 1.1 }
1489 pcg 1.26 else if (input_style & XIMPreeditArea)
1490     {
1491 root 1.94 im_set_color (fg, bg);
1492 pcg 1.26
1493     /*
1494     * The necessary width of preedit area is unknown
1495     * until create input context.
1496     */
1497     needed_rect.width = 0;
1498 root 1.94 im_set_preedit_area (rect, status_rect, needed_rect);
1499 pcg 1.26
1500 root 1.94 preedit_attr = XVaCreateNestedList (0,
1501     XNForeground, fg,
1502     XNBackground, bg,
1503     XNArea, &rect,
1504     XNFontSet, fs,
1505     NULL);
1506     status_attr = XVaCreateNestedList (0,
1507     XNForeground, fg,
1508     XNBackground, bg,
1509     XNArea, &status_rect,
1510     XNFontSet, fs,
1511 pcg 1.26 NULL);
1512     }
1513 root 1.205 #if ENABLE_XIM_ONTHESPOT
1514 root 1.200 else if (input_style & XIMPreeditCallbacks)
1515     {
1516 sf-exg 1.357 XIMCallback xcb[4];
1517    
1518 root 1.202 im_set_position (spot);
1519    
1520 root 1.200 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1521     xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1522     xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1523 root 1.205 # if 0
1524 root 1.200 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1525 root 1.205 # endif
1526 root 1.200
1527     preedit_attr = XVaCreateNestedList (0,
1528 root 1.202 XNSpotLocation, &spot,
1529 root 1.200 XNPreeditStartCallback, &xcb[0],
1530     XNPreeditDoneCallback , &xcb[1],
1531     XNPreeditDrawCallback , &xcb[2],
1532 root 1.205 # if 0
1533 root 1.200 XNPreeditCaretCallback, &xcb[3],
1534 root 1.205 # endif
1535 root 1.200 NULL);
1536     }
1537 root 1.205 #endif
1538 pcg 1.29
1539 root 1.94 Input_Context = XCreateIC (xim,
1540     XNInputStyle, input_style,
1541 root 1.149 XNClientWindow, vt,
1542 sf-exg 1.355 XNFocusWindow, parent,
1543 root 1.94 preedit_attr ? XNPreeditAttributes : NULL,
1544     preedit_attr,
1545     status_attr ? XNStatusAttributes : NULL,
1546     status_attr, NULL);
1547    
1548 pcg 1.32 if (preedit_attr) XFree (preedit_attr);
1549 root 1.220 if (status_attr) XFree (status_attr);
1550     if (fs) XFreeFontSet (dpy, fs);
1551 pcg 1.29
1552 pcg 1.26 if (Input_Context == NULL)
1553     {
1554 pcg 1.60 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1555 root 1.94 im_destroy ();
1556 pcg 1.29 return false;
1557 pcg 1.26 }
1558 pcg 1.29
1559 root 1.200 #if 0
1560     // unfortunately, only the focus window is used by XIM, hard to fix
1561 root 1.198 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1562     vt_select_input ();
1563 root 1.200 #endif
1564 root 1.198
1565 sf-exg 1.358 im_set_position ();
1566 pcg 1.29
1567     return true;
1568 pcg 1.16 }
1569    
1570     void
1571 pcg 1.29 rxvt_term::im_cb ()
1572 pcg 1.16 {
1573 root 1.147 int i;
1574 pcg 1.16 const char *p;
1575     char **s;
1576     char buf[IMBUFSIZ];
1577    
1578 root 1.177 make_current ();
1579 root 1.135
1580 pcg 1.29 im_destroy ();
1581    
1582     if (Input_Context)
1583 pcg 1.16 return;
1584    
1585 pcg 1.29 if (rs[Rs_imLocale])
1586 pcg 1.38 SET_LOCALE (rs[Rs_imLocale]);
1587 pcg 1.16
1588 pcg 1.29 p = rs[Rs_inputMethod];
1589 pcg 1.16 if (p && *p)
1590     {
1591     bool found = false;
1592    
1593 sf-exg 1.347 s = rxvt_strsplit (',', p);
1594 root 1.116
1595 pcg 1.16 for (i = 0; s[i]; i++)
1596     {
1597     if (*s[i])
1598     {
1599 root 1.94 strcpy (buf, "@im=");
1600     strncat (buf, s[i], IMBUFSIZ - 5);
1601 sf-exg 1.358 if (im_get_ic (buf))
1602 pcg 1.16 {
1603     found = true;
1604     break;
1605     }
1606     }
1607     }
1608 root 1.116
1609 sf-exg 1.347 rxvt_free_strsplit (s);
1610 pcg 1.16
1611     if (found)
1612     goto done;
1613     }
1614    
1615 pcg 1.26 /* try with XMODIFIERS env. var. */
1616 sf-exg 1.358 if (im_get_ic (""))
1617 pcg 1.16 goto done;
1618    
1619 pcg 1.26 /* try with no modifiers base IF the user didn't specify an IM */
1620 sf-exg 1.358 if (im_get_ic ("@im=none"))
1621 pcg 1.16 goto done;
1622    
1623 sf-exg 1.371 done:
1624 pcg 1.29 if (rs[Rs_imLocale])
1625 pcg 1.38 SET_LOCALE (locale);
1626 pcg 1.1 }
1627    
1628     void
1629 sf-exg 1.358 rxvt_term::im_set_position ()
1630 pcg 1.1 {
1631 root 1.94 XRectangle preedit_rect, status_rect, *needed_rect;
1632     XVaNestedList preedit_attr, status_attr;
1633 pcg 1.1
1634 root 1.94 if (!Input_Context
1635 root 1.149 || !focus
1636 root 1.220 || !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1637 sf-exg 1.358 || !im_is_running ())
1638 pcg 1.26 return;
1639 pcg 1.1
1640 root 1.222 if (input_style & XIMPreeditPosition)
1641 root 1.221 {
1642     im_set_size (preedit_rect);
1643     preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1644 ayin 1.255
1645 root 1.221 XSetICValues (Input_Context,
1646     XNPreeditAttributes, preedit_attr, NULL);
1647     }
1648     else
1649     {
1650     /* Getting the necessary width of preedit area */
1651     status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1652     XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1653     XFree (status_attr);
1654 pcg 1.1
1655 root 1.221 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1656     XFree (needed_rect);
1657    
1658     preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1659     status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1660    
1661     XSetICValues (Input_Context,
1662     XNPreeditAttributes, preedit_attr,
1663     XNStatusAttributes, status_attr,
1664     NULL);
1665    
1666     XFree (status_attr);
1667     }
1668    
1669     XFree (preedit_attr);
1670 pcg 1.1 }
1671 ayin 1.258 #endif /* USE_XIM */
1672 pcg 1.1
1673 sasha 1.249 void
1674     rxvt_term::get_window_origin (int &x, int &y)
1675     {
1676     Window cr;
1677 sf-exg 1.355 XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
1678 sasha 1.249 }
1679    
1680     #ifdef HAVE_BG_PIXMAP
1681 root 1.267
1682 root 1.291 void
1683 sasha 1.249 rxvt_term::update_background ()
1684     {
1685 root 1.294 if (update_background_ev.is_active ())
1686     return;
1687    
1688 sf-exg 1.349 bg_invalidate ();
1689 sasha 1.249
1690 sf-exg 1.361 if (!mapped)
1691     return;
1692    
1693 sf-exg 1.349 ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
1694 root 1.294
1695 sasha 1.297 if (to_wait <= 0.)
1696 sf-exg 1.349 bg_render ();
1697 sasha 1.249 else
1698 sasha 1.296 update_background_ev.start (to_wait);
1699 sasha 1.249 }
1700    
1701     void
1702 root 1.256 rxvt_term::update_background_cb (ev::timer &w, int revents)
1703 sasha 1.249 {
1704 root 1.284 make_current ();
1705 root 1.294
1706     update_background_ev.stop ();
1707 sf-exg 1.349 bg_render ();
1708 root 1.284 refresh_check ();
1709 sasha 1.249 }
1710    
1711     #endif /* HAVE_BG_PIXMAP */
1712    
1713 pcg 1.1 /*----------------------- end-of-file (C source) -----------------------*/