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Revision: 1.391
Committed: Mon Oct 6 11:11:19 2014 UTC (9 years, 7 months ago) by sf-exg
Content type: text/plain
Branch: MAIN
Changes since 1.390: +6 -1 lines
Log Message:
Shield against libraries calling setenv.

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 root 1.390 * the Free Software Foundation; either version 3 of the License, or
21 pcg 1.1 * (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 sf-exg 1.384 #if BG_IMAGE_FROM_ROOT || 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 sf-exg 1.385 #if HAVE_IMG
232     delete bg_img;
233     #endif
234    
235 pcg 1.34 if (display)
236 pcg 1.44 {
237 pcg 1.60 selection_clear ();
238 sf-exg 1.319 selection_clear (true);
239 pcg 1.60
240 root 1.376 #if USE_XIM
241 root 1.77 im_destroy ();
242     #endif
243 ayin 1.308 scrollBar.destroy ();
244 root 1.388
245     if (gc)
246     XFreeGC (dpy, gc);
247 pcg 1.60
248 root 1.149 delete drawable;
249 root 1.388
250 pcg 1.45 // destroy all windows
251 sf-exg 1.355 if (parent)
252     XDestroyWindow (dpy, parent);
253 root 1.206
254 root 1.216 for (int i = 0; i < TOTAL_COLORS; i++)
255     if (ISSET_PIXCOLOR (i))
256     {
257     pix_colors_focused [i].free (this);
258     #if OFF_FOCUS_FADING
259     pix_colors_unfocused [i].free (this);
260     #endif
261     }
262    
263 root 1.206 clear ();
264 root 1.300
265     display->flush (); /* ideally .put should do this */
266     displays.put (display);
267 pcg 1.44 }
268 pcg 1.34
269     scr_release ();
270    
271 pcg 1.60 /* clear all resources */
272     for (int i = 0; i < allocated.size (); i++)
273 root 1.134 free (allocated [i]);
274 pcg 1.60
275     free (selection.text);
276 sf-exg 1.319 free (selection.clip_text);
277 pcg 1.34 free (locale);
278 root 1.120 free (v_buffer);
279 pcg 1.34
280 sf-exg 1.353 delete selection_req;
281    
282 sf-exg 1.391 if (memcmp (env, envv->begin (), envv->size () * sizeof (char *)))
283     rxvt_warn ("env has been modified, probably as a result of a lib calling setenv.\n");
284    
285     delete env;
286    
287 pcg 1.33 delete envv;
288     delete argv;
289 root 1.128
290     #ifdef KEYSYM_RESOURCE
291 root 1.134 delete keyboard;
292 root 1.128 #endif
293 ayin 1.263 #ifndef NO_RESOURCES
294     XrmDestroyDatabase (option_db);
295     #endif
296 pcg 1.4 }
297    
298 root 1.189 // child has exited, usually destroys
299 pcg 1.8 void
300 root 1.256 rxvt_term::child_cb (ev::child &w, int status)
301 root 1.152 {
302 root 1.189 HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
303    
304 root 1.152 cmd_pid = 0;
305    
306 root 1.232 if (!option (Opt_hold))
307 root 1.152 destroy ();
308     }
309    
310     void
311 pcg 1.8 rxvt_term::destroy ()
312     {
313 root 1.281 if (destroy_ev.is_active ())
314 root 1.77 return;
315    
316 root 1.200 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
317 root 1.191
318 root 1.94 #if ENABLE_OVERLAY
319     scr_overlay_off ();
320     #endif
321    
322 pcg 1.27 if (display)
323     {
324 root 1.80 #if USE_XIM
325 pcg 1.29 im_ev.stop (display);
326     #endif
327 pcg 1.27 scrollbar_ev.stop (display);
328 sf-exg 1.384 #if BG_IMAGE_FROM_ROOT || ENABLE_PERL
329 root 1.77 rootwin_ev.stop (display);
330 root 1.80 #endif
331 root 1.77 termwin_ev.stop (display);
332     vt_ev.stop (display);
333 pcg 1.27 }
334    
335 root 1.283 flush_ev.stop ();
336 pcg 1.8 pty_ev.stop ();
337     #ifdef CURSOR_BLINK
338 pcg 1.21 cursor_blink_ev.stop ();
339     #endif
340     #ifdef TEXT_BLINK
341     text_blink_ev.stop ();
342 pcg 1.8 #endif
343 root 1.70 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
344     cont_scroll_ev.stop ();
345     #endif
346     #ifdef SELECTION_SCROLLING
347     sel_scroll_ev.stop ();
348     #endif
349 pcg 1.8 #ifdef POINTER_BLANK
350     pointer_ev.stop ();
351     #endif
352    
353 root 1.256 destroy_ev.start ();
354 pcg 1.8 }
355    
356     void
357 root 1.260 rxvt_term::destroy_cb (ev::idle &w, int revents)
358 pcg 1.8 {
359 root 1.177 make_current ();
360 pcg 1.8
361     delete this;
362     }
363    
364 root 1.337 void
365 root 1.368 rxvt_term::set_option (uint8_t opt, bool set) NOTHROW
366 root 1.337 {
367     if (!opt)
368     return;
369    
370     uint8_t mask = 1 << (opt & 7);
371     uint8_t &val = options [opt >> 3];
372    
373 root 1.338 val = val & ~mask | (set ? mask : 0);
374 root 1.337 }
375    
376 pcg 1.1 /*----------------------------------------------------------------------*/
377 root 1.134 /*
378     * Exit gracefully, clearing the utmp entry and restoring tty attributes
379     */
380     static XErrorHandler old_xerror_handler;
381    
382     static void
383     rxvt_emergency_cleanup ()
384     {
385     for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
386     (*t)->emergency_cleanup ();
387     }
388    
389 root 1.209 #if !ENABLE_MINIMAL
390 root 1.373 static void ecb_cold
391 root 1.135 print_x_error (Display *dpy, XErrorEvent *event)
392     {
393     char buffer[BUFSIZ];
394     char mesg[BUFSIZ];
395     char number[32];
396 root 1.380
397     rxvt_warn ("An X Error occurred, trying to continue after report.\n");
398    
399     XGetErrorDatabaseText (dpy, "XlibMessage", "ErrorSerial", "Error Serial #%d", mesg, BUFSIZ);
400     snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->serial);
401 root 1.378
402     XGetErrorText (dpy, event->error_code, buffer, BUFSIZ);
403 root 1.380 XGetErrorDatabaseText (dpy, "XlibMessage", "XError", "X Error", mesg, BUFSIZ);
404     rxvt_warn ("+ %s: %s\n", mesg, buffer);
405    
406     XGetErrorDatabaseText (dpy, "XlibMessage", "MajorCode", "Request Major code %d", mesg, BUFSIZ);
407     snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->request_code);
408    
409 root 1.381 if (event->request_code >= 128)
410     {
411     #if 0
412     /* XListExtensions and probably query extensions hangs when there are multiple queues errors */
413     int nexts;
414     char **exts = XListExtensions (dpy, &nexts);
415    
416     while (nexts)
417     {
418     char *extname = exts [nexts - 1];
419     int major, first_event, first_error;
420    
421     if (XQueryExtension (dpy, extname, &major, &first_event, &first_error) && major == event->request_code)
422     {
423     XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
424     rxvt_warn ("+ (which is extension %s minor code %d)\n", extname, event->minor_code);
425    
426     snprintf (buffer, BUFSIZ, "%s.%d", extname, event->minor_code);
427     XGetErrorDatabaseText (dpy, "XRequest", buffer, "an unregistered minor code", buffer, BUFSIZ);
428     rxvt_warn ("+ (which is %s)\n", buffer);
429    
430     break;
431     }
432    
433     printf ("nextss %d %s\n", nexts, extname);//D
434     --nexts;
435     ++exts;
436     }
437     #else
438     int nexts = 0;
439     char **exts = 0;
440     #endif
441 root 1.378
442 root 1.381 if (!nexts)
443     {
444     rxvt_warn ("+ (which is an unknown extension)\n", buffer);
445    
446     XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
447     snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->minor_code);
448    
449 root 1.382 #if 0
450     sprintf (number, "RENDER.%d", event->minor_code);
451 root 1.381 XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
452     rxvt_warn ("+ (which is %s)\n", buffer);
453 root 1.382 #endif
454 root 1.381 }
455    
456     XFreeExtensionList (exts);
457     }
458     else
459 root 1.378 {
460 root 1.381 sprintf (number, "%d", event->request_code);
461     XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
462     rxvt_warn ("+ (which is %s)\n", buffer);
463 root 1.378 }
464    
465     if (event->error_code == BadWindow
466     || event->error_code == BadPixmap
467     || event->error_code == BadCursor
468     || event->error_code == BadFont
469     || event->error_code == BadDrawable
470     || event->error_code == BadColor
471     || event->error_code == BadGC
472     || event->error_code == BadIDChoice
473     || event->error_code == BadValue
474     || event->error_code == BadAtom)
475     {
476 sf-exg 1.326 if (event->error_code == BadValue)
477 root 1.380 XGetErrorDatabaseText (dpy, "XlibMessage", "Value", "Value 0x%x", mesg, BUFSIZ);
478 sf-exg 1.326 else if (event->error_code == BadAtom)
479 root 1.380 XGetErrorDatabaseText (dpy, "XlibMessage", "AtomID", "AtomID 0x%x", mesg, BUFSIZ);
480 sf-exg 1.326 else
481 root 1.380 XGetErrorDatabaseText (dpy, "XlibMessage", "ResourceID", "ResourceID 0x%x", mesg, BUFSIZ);
482 root 1.378
483 root 1.380 snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->resourceid);
484 root 1.135 }
485     }
486     #endif
487    
488 root 1.373 int ecb_cold
489 root 1.134 rxvt_xerror_handler (Display *display, XErrorEvent *event)
490     {
491     if (GET_R->allowedxerror == -1)
492     GET_R->allowedxerror = event->error_code;
493     else
494     {
495 root 1.146 // GET_R is most likely not the terminal which caused the error,
496     // so just output the error and continue
497 root 1.209 #if ENABLE_MINIMAL
498     old_xerror_handler (display, event);
499     #else
500 root 1.135 print_x_error (display, event);
501     #endif
502 root 1.134 }
503    
504     return 0;
505     }
506    
507 root 1.373 int ecb_cold
508 root 1.134 rxvt_xioerror_handler (Display *display)
509     {
510     rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
511     DisplayString (display));
512     rxvt_emergency_cleanup ();
513     _exit (EXIT_FAILURE);
514     }
515    
516 root 1.148 static struct sig_handlers
517     {
518 root 1.256 ev::sig sw_term, sw_int;
519 ayin 1.255
520 root 1.148 /*
521     * Catch a fatal signal and tidy up before quitting
522     */
523 root 1.271 void sig_term (ev::sig &w, int revents);
524 root 1.148
525     sig_handlers ()
526     {
527 root 1.270 sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
528     sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
529 root 1.148 }
530     } sig_handlers;
531    
532 root 1.271 void
533     sig_handlers::sig_term (ev::sig &w, int revents)
534     {
535     rxvt_emergency_cleanup ();
536     w.stop ();
537     kill (getpid (), w.signum);
538     }
539    
540 sf-exg 1.332 static void
541     rxvt_get_ttymode (struct termios *tio)
542     {
543     if (tcgetattr (STDIN_FILENO, tio) < 0)
544     memset (tio, 0, sizeof (struct termios));
545    
546     for (int i = 0; i < NCCS; i++)
547     tio->c_cc[i] = VDISABLE;
548    
549     tio->c_cc[VINTR] = CINTR;
550     tio->c_cc[VQUIT] = CQUIT;
551     tio->c_cc[VERASE] = CERASE;
552     #ifdef VERASE2
553     tio->c_cc[VERASE2] = CERASE2;
554     #endif
555     tio->c_cc[VKILL] = CKILL;
556     tio->c_cc[VEOF] = CEOF;
557     tio->c_cc[VSTART] = CSTART;
558     tio->c_cc[VSTOP] = CSTOP;
559     tio->c_cc[VSUSP] = CSUSP;
560     # ifdef VDSUSP
561     tio->c_cc[VDSUSP] = CDSUSP;
562     # endif
563     # ifdef VREPRINT
564     tio->c_cc[VREPRINT] = CRPRNT;
565     # endif
566     # ifdef VDISCRD
567     tio->c_cc[VDISCRD] = CFLUSH;
568     # endif
569     # ifdef VWERSE
570     tio->c_cc[VWERSE] = CWERASE;
571     # endif
572     # ifdef VLNEXT
573     tio->c_cc[VLNEXT] = CLNEXT;
574     # endif
575 sf-exg 1.336 # ifdef VSTATUS
576     tio->c_cc[VSTATUS] = CSTATUS;
577     # endif
578 sf-exg 1.332
579     # if VMIN != VEOF
580     tio->c_cc[VMIN] = 1;
581     # endif
582     # if VTIME != VEOL
583     tio->c_cc[VTIME] = 0;
584     # endif
585    
586     /* input modes */
587     tio->c_iflag = (BRKINT | IGNPAR | ICRNL
588     # ifdef IMAXBEL
589     | IMAXBEL
590     # endif
591     | IXON);
592    
593     /* output modes */
594     tio->c_oflag = (OPOST | ONLCR);
595    
596     /* control modes */
597     tio->c_cflag = (CS8 | CREAD);
598    
599     /* local modes */
600     tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
601     # if defined (ECHOCTL) && defined (ECHOKE)
602     | ECHOCTL | ECHOKE
603     # endif
604     | ECHOE | ECHOK);
605     }
606    
607 root 1.175 char **rxvt_environ; // startup environment
608    
609 pcg 1.60 void
610 root 1.94 rxvt_init ()
611 pcg 1.60 {
612 root 1.327 assert (("fontMask must not overlap other RS masks",
613     0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
614    
615 sf-exg 1.332 rxvt_get_ttymode (&rxvt_term::def_tio);
616    
617 sf-exg 1.331 // get rid of stdin/stdout as we don't need them, to free resources
618     dup2 (STDERR_FILENO, STDIN_FILENO);
619     dup2 (STDERR_FILENO, STDOUT_FILENO);
620    
621 root 1.333 if (!ev_default_loop ())
622 root 1.257 rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
623 root 1.186
624 root 1.175 rxvt_environ = environ;
625    
626 root 1.114 signal (SIGHUP, SIG_IGN);
627     signal (SIGPIPE, SIG_IGN);
628 pcg 1.60
629 root 1.264 sig_handlers.sw_term.start (SIGTERM); ev_unref ();
630     sig_handlers.sw_int.start (SIGINT); ev_unref ();
631 root 1.148
632 pcg 1.60 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
633 root 1.114 // TODO: handle this with exceptions and tolerate the memory loss
634 root 1.134 XSetIOErrorHandler (rxvt_xioerror_handler);
635 root 1.166
636     XrmInitialize ();
637 root 1.374
638 root 1.376 #if HAVE_PIXBUF
639 root 1.374 g_type_init ();
640     #endif
641 pcg 1.60 }
642    
643 pcg 1.1 /*----------------------------------------------------------------------*/
644     /*
645 ayin 1.236 * window size/position calculations for XSizeHint and other storage.
646 pcg 1.1 * if width/height are non-zero then override calculated width/height
647     */
648     void
649 root 1.149 rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
650 pcg 1.1 {
651 root 1.134 short recalc_x, recalc_y;
652 ayin 1.306 int x, y, flags;
653 root 1.134 unsigned int w, h;
654     unsigned int max_width, max_height;
655 pcg 1.26
656     szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
657     szHint.win_gravity = NorthWestGravity;
658     /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
659    
660     recalc_x = recalc_y = 0;
661     flags = 0;
662 root 1.149
663 pcg 1.26 if (!parsed_geometry)
664     {
665     parsed_geometry = 1;
666 root 1.149
667 pcg 1.26 if (rs[Rs_geometry])
668 pcg 1.32 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
669 root 1.136
670 pcg 1.26 if (flags & WidthValue)
671     {
672 root 1.310 if (!w)
673     rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
674    
675     ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
676 pcg 1.26 szHint.flags |= USSize;
677 pcg 1.3 }
678 root 1.136
679 pcg 1.26 if (flags & HeightValue)
680     {
681 root 1.310 if (!h)
682     rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
683    
684     nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
685 pcg 1.26 szHint.flags |= USSize;
686 pcg 1.3 }
687 root 1.136
688 pcg 1.26 if (flags & XValue)
689     {
690     szHint.x = x;
691     szHint.flags |= USPosition;
692 root 1.149
693 pcg 1.26 if (flags & XNegative)
694     {
695     recalc_x = 1;
696     szHint.win_gravity = NorthEastGravity;
697 pcg 1.3 }
698     }
699 root 1.136
700 pcg 1.26 if (flags & YValue)
701     {
702     szHint.y = y;
703     szHint.flags |= USPosition;
704 root 1.149
705 pcg 1.26 if (flags & YNegative)
706     {
707     recalc_y = 1;
708 root 1.149
709 pcg 1.26 if (szHint.win_gravity == NorthEastGravity)
710     szHint.win_gravity = SouthEastGravity;
711     else
712     szHint.win_gravity = SouthWestGravity;
713 pcg 1.3 }
714     }
715 pcg 1.1 }
716 pcg 1.53
717 pcg 1.26 /* TODO: BOUNDS */
718 root 1.149 width = ncol * fwidth;
719     height = nrow * fheight;
720     max_width = MAX_COLS * fwidth;
721     max_height = MAX_ROWS * fheight;
722 pcg 1.26
723 root 1.149 szHint.base_width = szHint.base_height = 2 * int_bwidth;
724 pcg 1.26
725 root 1.149 window_vt_x = window_vt_y = int_bwidth;
726 pcg 1.67
727 root 1.180 if (scrollBar.state)
728 pcg 1.26 {
729 ayin 1.306 int sb_w = scrollBar.total_width ();
730 pcg 1.26 szHint.base_width += sb_w;
731 root 1.213
732 root 1.232 if (!option (Opt_scrollBar_right))
733 root 1.70 window_vt_x += sb_w;
734 pcg 1.26 }
735 pcg 1.67
736 root 1.219 szHint.width_inc = fwidth;
737 root 1.149 szHint.height_inc = fheight;
738 root 1.219 szHint.min_width = szHint.base_width + szHint.width_inc;
739 pcg 1.26 szHint.min_height = szHint.base_height + szHint.height_inc;
740    
741 root 1.149 if (newwidth && newwidth - szHint.base_width < max_width)
742 pcg 1.26 {
743 root 1.149 szHint.width = newwidth;
744     width = newwidth - szHint.base_width;
745 pcg 1.26 }
746     else
747     {
748 root 1.150 min_it (width, max_width);
749 root 1.149 szHint.width = szHint.base_width + width;
750 pcg 1.26 }
751 pcg 1.67
752 root 1.149 if (newheight && newheight - szHint.base_height < max_height)
753 pcg 1.26 {
754 root 1.149 szHint.height = newheight;
755     height = newheight - szHint.base_height;
756 pcg 1.26 }
757     else
758     {
759 root 1.150 min_it (height, max_height);
760 root 1.149 szHint.height = szHint.base_height + height;
761 pcg 1.26 }
762 pcg 1.67
763 pcg 1.26 if (recalc_x)
764 root 1.218 szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
765 root 1.206
766 pcg 1.26 if (recalc_y)
767 root 1.218 szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
768 pcg 1.26
769 root 1.312 ncol = width / fwidth;
770 root 1.149 nrow = height / fheight;
771 sf-exg 1.360
772     // When the size of the vt window is not a multiple of the cell
773     // size, i.e., when the wm does not honour our size hints, there are
774     // extra areas not covered by the terminal screen. Such gaps, when a
775     // bg pixmap is set, would have to be cleared manually to properly
776     // refresh the background. We take the simpler route and shrink the
777     // vt window so as to avoid creating gaps.
778 sf-exg 1.366 vt_width = ncol * fwidth;
779     vt_height = nrow * fheight;
780 pcg 1.1 }
781    
782     /*----------------------------------------------------------------------*/
783     /*
784     * Tell the teletype handler what size the window is.
785     * Called after a window size change.
786     */
787     void
788 pcg 1.9 rxvt_term::tt_winch ()
789 pcg 1.1 {
790 root 1.184 if (pty->pty < 0)
791 root 1.94 return;
792    
793 pcg 1.20 struct winsize ws;
794 pcg 1.9
795 root 1.149 ws.ws_col = ncol;
796     ws.ws_row = nrow;
797 sf-exg 1.366 ws.ws_xpixel = vt_width;
798     ws.ws_ypixel = vt_height;
799 root 1.317 ioctl (pty->pty, TIOCSWINSZ, &ws);
800 root 1.94
801     #if 0
802 ayin 1.274 // TIOCSWINSZ is supposed to do this automatically and correctly
803 root 1.94 if (cmd_pid) /* force through to the command */
804 root 1.140 kill (-cmd_pid, SIGWINCH);
805 pcg 1.1 #endif
806     }
807    
808     /*----------------------------------------------------------------------*/
809 sf-exg 1.356 /* load and set the various fonts */
810 pcg 1.41 bool
811 root 1.108 rxvt_term::set_fonts ()
812 pcg 1.41 {
813 root 1.108 rxvt_fontset *fs = new rxvt_fontset (this);
814     rxvt_fontprop prop;
815    
816     if (!fs
817 root 1.114 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
818 root 1.108 || !fs->realize_font (1))
819 pcg 1.41 {
820 root 1.108 delete fs;
821     return false;
822 pcg 1.41 }
823 root 1.108
824     #if ENABLE_STYLES
825     for (int i = RS_styleCount; --i; )
826 root 1.149 if (fontset[i] != fontset[0])
827     delete fontset[i];
828 root 1.108 #endif
829    
830 root 1.149 delete fontset[0];
831     fontset[0] = fs;
832 root 1.108
833 root 1.325 prop = (*fs)[rxvt_fontset::firstFont]->properties ();
834 sf-exg 1.383 prop.width = max (prop.width + letterSpace, 1);
835 root 1.230
836     fs->set_prop (prop, false);
837 root 1.108
838 root 1.149 fwidth = prop.width;
839 sf-exg 1.372 fheight = prop.height + lineSpace;
840 root 1.158 fbase = prop.ascent;
841 root 1.108
842     for (int style = 1; style < 4; style++)
843 pcg 1.41 {
844 root 1.108 #if ENABLE_STYLES
845     const char *res = rs[Rs_font + style];
846 pcg 1.41
847 root 1.108 if (res && !*res)
848 root 1.149 fontset[style] = fontset[0];
849 root 1.108 else
850 pcg 1.41 {
851 root 1.149 fontset[style] = fs = new rxvt_fontset (this);
852 root 1.108 rxvt_fontprop prop2 = prop;
853 pcg 1.41
854 root 1.108 if (res)
855 root 1.231 {
856     fs->populate (res);
857     fs->set_prop (prop2, false);
858     }
859 root 1.108 else
860 pcg 1.42 {
861 root 1.231 fs->populate (fontset[0]->fontdesc);
862 pcg 1.42
863 root 1.108 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
864     if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
865 root 1.231
866     fs->set_prop (prop2, true);
867 root 1.108 }
868 root 1.76
869 pcg 1.41 }
870 root 1.108 #else
871 root 1.149 fontset[style] = fontset[0];
872 root 1.108 #endif
873 pcg 1.41 }
874    
875 sf-exg 1.355 if (parent)
876 root 1.108 {
877     resize_all_windows (0, 0, 0);
878     scr_remap_chars ();
879     scr_touch (true);
880 ayin 1.255 }
881 pcg 1.1
882 root 1.108 return true;
883 pcg 1.41 }
884 pcg 1.1
885 ayin 1.253 void
886     rxvt_term::set_string_property (Atom prop, const char *str, int len)
887 root 1.118 {
888 sf-exg 1.355 XChangeProperty (dpy, parent,
889 root 1.118 prop, XA_STRING, 8, PropModeReplace,
890     (const unsigned char *)str, len >= 0 ? len : strlen (str));
891     }
892    
893 ayin 1.253 void
894 sf-exg 1.328 rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
895     {
896     XTextProperty ct;
897    
898     if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
899     {
900 sf-exg 1.355 XSetTextProperty (dpy, parent, &ct, prop);
901 sf-exg 1.328 XFree (ct.value);
902     }
903     }
904    
905     void
906 ayin 1.253 rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
907 root 1.118 {
908     wchar_t *ws = rxvt_mbstowcs (str, len);
909     char *s = rxvt_wcstoutf8 (ws);
910    
911 sf-exg 1.355 XChangeProperty (dpy, parent,
912 root 1.118 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
913     (const unsigned char *)s, strlen (s));
914    
915     free (s);
916     free (ws);
917     }
918    
919 pcg 1.1 /*----------------------------------------------------------------------*/
920     /*----------------------------------------------------------------------*/
921     /* xterm sequences - title, iconName, color (exptl) */
922     void
923 pcg 1.22 rxvt_term::set_title (const char *str)
924 pcg 1.1 {
925 sf-exg 1.328 set_mbstring_property (XA_WM_NAME, str);
926 root 1.144 #if ENABLE_EWMH
927 root 1.121 set_utf8_property (xa[XA_NET_WM_NAME], str);
928 pcg 1.1 #endif
929     }
930    
931     void
932 pcg 1.60 rxvt_term::set_icon_name (const char *str)
933 pcg 1.1 {
934 sf-exg 1.328 set_mbstring_property (XA_WM_ICON_NAME, str);
935 root 1.144 #if ENABLE_EWMH
936 root 1.121 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
937 pcg 1.1 #endif
938     }
939    
940     void
941 pcg 1.22 rxvt_term::set_window_color (int idx, const char *color)
942 pcg 1.1 {
943 ayin 1.252 #ifdef XTERM_COLOR_CHANGE
944 pcg 1.46 rxvt_color xcol;
945 ayin 1.255
946 pcg 1.26 if (color == NULL || *color == '\0')
947     return;
948 pcg 1.1
949 root 1.212 color = strdup (color);
950     allocated.push_back ((void *)color);
951     rs[Rs_color + idx] = color;
952    
953 pcg 1.26 /* handle color aliases */
954 pcg 1.32 if (isdigit (*color))
955 pcg 1.26 {
956 ayin 1.304 int i = atoi (color);
957 root 1.134
958 pcg 1.26 if (i >= 8 && i <= 15)
959 ayin 1.265 {
960     /* bright colors */
961 ayin 1.266 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
962 root 1.145 goto done;
963 root 1.134 }
964 pcg 1.26
965     if (i >= 0 && i <= 7)
966 ayin 1.265 {
967     /* normal colors */
968 root 1.94 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
969 root 1.145 goto done;
970 pcg 1.3 }
971 pcg 1.1 }
972 pcg 1.65
973 root 1.212 set_color (xcol, color);
974 pcg 1.1
975 pcg 1.26 /*
976     * FIXME: should free colors here, but no idea how to do it so instead,
977     * so just keep gobbling up the colormap
978     */
979 pcg 1.1
980 root 1.94 pix_colors_focused[idx] = xcol;
981 pcg 1.1
982 root 1.145 done:
983 root 1.108 /*TODO: handle Color_BD, scrollbar background, etc. */
984 pcg 1.26
985 root 1.225 update_fade_color (idx);
986 pcg 1.26 recolour_cursor ();
987 root 1.108 scr_recolour ();
988 ayin 1.258 #endif /* XTERM_COLOR_CHANGE */
989 pcg 1.1 }
990    
991     void
992 pcg 1.15 rxvt_term::recolour_cursor ()
993 pcg 1.1 {
994 root 1.215 XColor fg, bg;
995 pcg 1.1
996 root 1.215 (ISSET_PIXCOLOR (Color_pointer_fg)
997     ? pix_colors_focused[Color_pointer_fg]
998     : pix_colors_focused[Color_fg]).get (fg);
999 root 1.108
1000 root 1.215 (ISSET_PIXCOLOR (Color_pointer_bg)
1001     ? pix_colors_focused[Color_pointer_bg]
1002     : pix_colors_focused[Color_bg]).get (bg);
1003    
1004 root 1.218 XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
1005 pcg 1.1 }
1006    
1007     /*----------------------------------------------------------------------*/
1008     /*
1009     * find if fg/bg matches any of the normal (low-intensity) colors
1010     */
1011 sf-exg 1.365 char *
1012     rxvt_term::get_colorfgbg ()
1013 pcg 1.1 {
1014 root 1.108 unsigned int i;
1015 root 1.268 const char *xpmb = "";
1016 sf-exg 1.346 char fstr[] = "default";
1017     char bstr[] = "default";
1018 sf-exg 1.365 char *env_colorfgbg;
1019 pcg 1.26
1020     for (i = Color_Black; i <= Color_White; i++)
1021 root 1.94 if (pix_colors[Color_fg] == pix_colors[i])
1022 pcg 1.26 {
1023 root 1.345 sprintf (fstr, "%d", i - Color_Black);
1024 pcg 1.26 break;
1025     }
1026 root 1.108
1027 pcg 1.26 for (i = Color_Black; i <= Color_White; i++)
1028 root 1.94 if (pix_colors[Color_bg] == pix_colors[i])
1029 pcg 1.26 {
1030 root 1.345 sprintf (bstr, "%d", i - Color_Black);
1031 root 1.376 #if BG_IMAGE_FROM_FILE
1032 pcg 1.26 xpmb = "default;";
1033 pcg 1.1 #endif
1034 pcg 1.26 break;
1035     }
1036 pcg 1.33
1037 sf-exg 1.365 env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg"));
1038 pcg 1.32 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
1039 sf-exg 1.365 return env_colorfgbg;
1040 pcg 1.1 }
1041    
1042     /*----------------------------------------------------------------------*/
1043    
1044 root 1.208 bool
1045     rxvt_term::set_color (rxvt_color &color, const char *name)
1046 pcg 1.1 {
1047 root 1.208 if (color.set (this, name))
1048     return true;
1049 pcg 1.1
1050 root 1.208 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
1051     return false;
1052 pcg 1.1 }
1053    
1054 root 1.216 void
1055     rxvt_term::alias_color (int dst, int src)
1056     {
1057     pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
1058     }
1059    
1060 pcg 1.1 /* -------------------------------------------------------------------- *
1061     * - WINDOW RESIZING - *
1062     * -------------------------------------------------------------------- */
1063     void
1064 root 1.149 rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1065 pcg 1.1 {
1066 pcg 1.17 int fix_screen;
1067 root 1.197 int old_width = szHint.width;
1068     int old_height = szHint.height;
1069 pcg 1.1
1070 root 1.149 window_calc (newwidth, newheight);
1071 root 1.219
1072 root 1.312 bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
1073    
1074 root 1.313 // to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
1075 root 1.312 if (set_hint)
1076     {
1077     szHint.flags &= ~(PBaseSize | PResizeInc);
1078 sf-exg 1.355 XSetWMNormalHints (dpy, parent, &szHint);
1079 root 1.312 szHint.flags |= PBaseSize | PResizeInc;
1080     }
1081 pcg 1.67
1082 pcg 1.17 if (!ignoreparent)
1083     {
1084 pcg 1.3 #ifdef SMART_RESIZE
1085 pcg 1.17 /*
1086     * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
1087     * reposition window on resize depending on placement on screen
1088     */
1089     int x, y, x1, y1;
1090     int dx, dy;
1091     unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1092     Window unused_cr;
1093    
1094 sf-exg 1.355 XTranslateCoordinates (dpy, parent, display->root,
1095 pcg 1.17 0, 0, &x, &y, &unused_cr);
1096 sf-exg 1.355 XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
1097 pcg 1.17 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
1098     /*
1099 pcg 1.27 * if display->root isn't the parent window, a WM will probably have offset
1100 pcg 1.17 * our position for handles and decorations. Counter it
1101     */
1102 pcg 1.26 if (x1 != x || y1 != y)
1103     {
1104 pcg 1.17 x -= x1;
1105     y -= y1;
1106 pcg 1.26 }
1107 pcg 1.17
1108 root 1.218 x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
1109     y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
1110 root 1.197 dx = old_width - szHint.width;
1111 pcg 1.17 dy = old_height - szHint.height;
1112    
1113 pcg 1.26 /* Check position of the center of the window */
1114 pcg 1.17 if (x < x1) /* left half */
1115 pcg 1.26 dx = 0;
1116 pcg 1.17 else if (x == x1) /* exact center */
1117 pcg 1.26 dx /= 2;
1118 pcg 1.17 if (y < y1) /* top half */
1119 pcg 1.26 dy = 0;
1120 pcg 1.17 else if (y == y1) /* exact center */
1121 pcg 1.26 dy /= 2;
1122 pcg 1.3
1123 sf-exg 1.355 XMoveResizeWindow (dpy, parent, x + dx, y + dy,
1124 pcg 1.17 szHint.width, szHint.height);
1125 pcg 1.1 #else
1126 sf-exg 1.355 XResizeWindow (dpy, parent, szHint.width, szHint.height);
1127 pcg 1.1 #endif
1128     }
1129    
1130 root 1.314 if (set_hint)
1131 sf-exg 1.355 XSetWMNormalHints (dpy, parent, &szHint);
1132 root 1.314
1133 root 1.149 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1134 pcg 1.17
1135 root 1.149 if (fix_screen || newwidth != old_width || newheight != old_height)
1136 pcg 1.17 {
1137 root 1.180 if (scrollBar.state)
1138 ayin 1.307 scrollBar.resize ();
1139 pcg 1.17
1140 root 1.218 XMoveResizeWindow (dpy, vt,
1141 pcg 1.67 window_vt_x, window_vt_y,
1142 sf-exg 1.366 vt_width, vt_height);
1143 root 1.132
1144 root 1.377 HOOK_INVOKE ((this, HOOK_SIZE_CHANGE, DT_INT, newwidth, DT_INT, newheight, DT_END));
1145    
1146 ayin 1.247 #ifdef HAVE_BG_PIXMAP
1147 sf-exg 1.349 if (bg_window_size_sensitive ())
1148 sasha 1.248 update_background ();
1149 pcg 1.1 #endif
1150     }
1151    
1152 pcg 1.17 if (fix_screen || old_height == 0)
1153 root 1.315 scr_reset ();
1154 pcg 1.1
1155 root 1.376 #if USE_XIM
1156 sf-exg 1.358 im_set_position ();
1157 pcg 1.1 #endif
1158     }
1159    
1160     /*
1161     * Set the width/height of the vt window in characters. Units are pixels.
1162     * good for toggling 80/132 columns
1163     */
1164     void
1165 root 1.149 rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1166 pcg 1.1 {
1167 pcg 1.26 XWindowAttributes wattr;
1168 pcg 1.1
1169 root 1.149 if (newwidth == 0 || newheight == 0)
1170 pcg 1.26 {
1171 root 1.218 XGetWindowAttributes (dpy, display->root, &wattr);
1172 root 1.142
1173 root 1.149 if (newwidth == 0)
1174     newwidth = wattr.width - szHint.base_width;
1175     if (newheight == 0)
1176     newheight = wattr.height - szHint.base_height;
1177 pcg 1.26 }
1178 root 1.80
1179 sf-exg 1.366 if (newwidth != vt_width || newheight != vt_height)
1180 pcg 1.26 {
1181 root 1.149 newwidth += szHint.base_width;
1182     newheight += szHint.base_height;
1183     resize_all_windows (newwidth, newheight, 0);
1184 pcg 1.1 }
1185     }
1186    
1187     /* -------------------------------------------------------------------- *
1188     * - X INPUT METHOD ROUTINES - *
1189     * -------------------------------------------------------------------- */
1190 root 1.376 #if USE_XIM
1191 pcg 1.29
1192 pcg 1.1 void
1193 root 1.94 rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1194 pcg 1.1 {
1195 root 1.216 fg = pix_colors [Color_fg];
1196     bg = pix_colors [Color_bg];
1197 pcg 1.1 }
1198    
1199     void
1200 root 1.94 rxvt_term::im_set_size (XRectangle &size)
1201 pcg 1.1 {
1202 root 1.94 // the int_bwidth terms make no sense to me
1203 root 1.149 size.x = int_bwidth;
1204     size.y = int_bwidth;
1205     size.width = Width2Pixel (ncol) + int_bwidth;
1206     size.height = Height2Pixel (nrow) + int_bwidth;
1207 root 1.94 }
1208    
1209     void
1210     rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1211     XRectangle &status_rect,
1212     const XRectangle &needed_rect)
1213     {
1214     preedit_rect.x = needed_rect.width;
1215     preedit_rect.y = 0;
1216 root 1.149 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1217     preedit_rect.height = fheight;
1218 root 1.94
1219     status_rect.x = 0;
1220     status_rect.y = 0;
1221 root 1.149 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1222     status_rect.height = fheight;
1223 pcg 1.1 }
1224    
1225     /* Checking whether input method is running. */
1226 pcg 1.22 bool
1227 sf-exg 1.358 rxvt_term::im_is_running ()
1228 pcg 1.1 {
1229 root 1.94 Atom atom;
1230     Window win;
1231     char server[IMBUFSIZ];
1232 pcg 1.26
1233     /* get current locale modifier */
1234 root 1.316 if (char *p = XSetLocaleModifiers (0))
1235 pcg 1.26 {
1236 root 1.94 strcpy (server, "@server=");
1237 root 1.316 strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
1238 root 1.94
1239 root 1.316 if (p = strchr (server + 1, '@')) /* first one only */
1240 pcg 1.26 *p = '\0';
1241    
1242 root 1.218 atom = XInternAtom (dpy, server, False);
1243     win = XGetSelectionOwner (dpy, atom);
1244 root 1.94
1245 pcg 1.26 if (win != None)
1246 sf-exg 1.351 return true;
1247 pcg 1.1 }
1248 root 1.94
1249 sf-exg 1.351 return false;
1250 pcg 1.1 }
1251    
1252     void
1253 sf-exg 1.358 rxvt_term::im_send_spot ()
1254 pcg 1.1 {
1255 root 1.114 XPoint nspot;
1256 root 1.94 XVaNestedList preedit_attr;
1257 pcg 1.1
1258 root 1.94 if (!Input_Context
1259 root 1.149 || !focus
1260 root 1.202 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1261 root 1.114 return;
1262    
1263     im_set_position (nspot);
1264    
1265     if (nspot.x == spot.x && nspot.y == spot.y)
1266 pcg 1.26 return;
1267 pcg 1.1
1268 root 1.114 spot = nspot;
1269 pcg 1.1
1270 pcg 1.32 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1271     XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1272     XFree (preedit_attr);
1273 pcg 1.1 }
1274    
1275     void
1276 pcg 1.29 rxvt_term::im_destroy ()
1277     {
1278 root 1.114 if (input_method)
1279 pcg 1.29 {
1280 root 1.114 if (Input_Context && input_method->xim)
1281     XDestroyIC (Input_Context);
1282 pcg 1.29
1283     display->put_xim (input_method);
1284     input_method = 0;
1285     }
1286 root 1.114
1287     Input_Context = 0;
1288 pcg 1.1 }
1289    
1290 root 1.200 #ifdef ENABLE_XIM_ONTHESPOT
1291    
1292     static void
1293     xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1294     {
1295     ((rxvt_term *)client_data)->make_current ();
1296     HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1297     }
1298    
1299     static void
1300     xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1301     {
1302     ((rxvt_term *)client_data)->make_current ();
1303     HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1304     }
1305    
1306     static void
1307     xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1308     {
1309     rxvt_term *term = (rxvt_term *)client_data;
1310     XIMText *text = call_data->text;
1311    
1312     term->make_current ();
1313    
1314     if (text)
1315     {
1316 sf-exg 1.320 wchar_t *str;
1317 root 1.200
1318     if (!text->encoding_is_wchar && text->string.multi_byte)
1319     {
1320     // of course, X makes it ugly again
1321     if (term->rs[Rs_imLocale])
1322     SET_LOCALE (term->rs[Rs_imLocale]);
1323    
1324 sf-exg 1.320 str = rxvt_temp_buf<wchar_t> (text->length + 1);
1325     mbstowcs (str, text->string.multi_byte, text->length + 1);
1326 root 1.200
1327     if (term->rs[Rs_imLocale])
1328     SET_LOCALE (term->locale);
1329     }
1330     else
1331 sf-exg 1.320 str = text->string.wide_char;
1332 ayin 1.255
1333 root 1.200 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1334     DT_INT, call_data->caret,
1335     DT_INT, call_data->chg_first,
1336     DT_INT, call_data->chg_length,
1337     DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1338     DT_WCS_LEN, str, str ? (int)text->length : 0,
1339     DT_END));
1340     }
1341     else
1342     HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1343     DT_INT, call_data->caret,
1344     DT_INT, call_data->chg_first,
1345     DT_INT, call_data->chg_length,
1346     DT_END));
1347     }
1348    
1349 root 1.201 #if 0
1350 root 1.200 static void
1351     xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1352     {
1353     ((rxvt_term *)client_data)->make_current ();
1354     HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1355     DT_INT, call_data->position,
1356     DT_INT, call_data->direction,
1357     DT_INT, call_data->style,
1358     DT_END));
1359     }
1360 root 1.201 #endif
1361 root 1.200
1362     #endif
1363    
1364 pcg 1.1 /*
1365     * Try to open a XIM with the current modifiers, then see if we can
1366     * open a suitable preedit type
1367     */
1368 pcg 1.22 bool
1369 sf-exg 1.358 rxvt_term::im_get_ic (const char *modifiers)
1370 pcg 1.1 {
1371 root 1.94 int i, j, found;
1372     XIM xim;
1373     XPoint spot;
1374     XRectangle rect, status_rect, needed_rect;
1375     unsigned long fg, bg;
1376     const char *p;
1377     char **s;
1378     XIMStyles *xim_styles;
1379 pcg 1.29
1380 sf-exg 1.391 set_environ (env);
1381 root 1.171
1382 root 1.389 if (!((p = XSetLocaleModifiers (modifiers)) && *p))
1383 pcg 1.29 return false;
1384 pcg 1.26
1385 pcg 1.29 input_method = display->get_xim (locale, modifiers);
1386     if (input_method == NULL)
1387     return false;
1388    
1389     xim = input_method->xim;
1390 root 1.114 spot.x = spot.y = -1;
1391 pcg 1.26
1392     xim_styles = NULL;
1393     if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1394     || !xim_styles || !xim_styles->count_styles)
1395     {
1396 root 1.94 im_destroy ();
1397 pcg 1.29 return false;
1398 pcg 1.26 }
1399    
1400 root 1.116 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1401 root 1.94
1402 root 1.116 for (int pi = 0; pi < 2; pi++)
1403 pcg 1.26 {
1404 root 1.116 p = pet[pi];
1405    
1406     if (!p)
1407     continue;
1408    
1409 sf-exg 1.347 s = rxvt_strsplit (',', p);
1410 root 1.116
1411     for (i = found = 0; !found && s[i]; i++)
1412     {
1413     if (!strcmp (s[i], "OverTheSpot"))
1414 root 1.200 input_style = XIMPreeditPosition | XIMStatusNothing;
1415 root 1.116 else if (!strcmp (s[i], "OffTheSpot"))
1416 root 1.200 input_style = XIMPreeditArea | XIMStatusArea;
1417 root 1.116 else if (!strcmp (s[i], "Root"))
1418 root 1.200 input_style = XIMPreeditNothing | XIMStatusNothing;
1419 root 1.116 else if (!strcmp (s[i], "None"))
1420 root 1.200 input_style = XIMPreeditNone | XIMStatusNone;
1421     #ifdef ENABLE_XIM_ONTHESPOT
1422     else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1423     input_style = XIMPreeditCallbacks | XIMStatusNothing;
1424     #endif
1425     else
1426     input_style = XIMPreeditNothing | XIMStatusNothing;
1427 root 1.116
1428     for (j = 0; j < xim_styles->count_styles; j++)
1429     if (input_style == xim_styles->supported_styles[j])
1430     {
1431 sf-exg 1.347 rxvt_free_strsplit (s);
1432 root 1.116
1433     found = 1;
1434     goto foundpet;
1435     }
1436    
1437     }
1438    
1439 sf-exg 1.347 rxvt_free_strsplit (s);
1440 pcg 1.26 }
1441 pcg 1.29
1442 root 1.116 foundpet:
1443 pcg 1.29
1444     XFree (xim_styles);
1445 pcg 1.26
1446     if (!found)
1447     {
1448 root 1.94 im_destroy ();
1449 pcg 1.29 return false;
1450 pcg 1.26 }
1451    
1452 root 1.94 XFontSet fs = 0;
1453     XVaNestedList preedit_attr = 0, status_attr = 0;
1454    
1455     if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1456     {
1457     // fake us a font-set, please
1458     char **missing_charset_list;
1459     int missing_charset_count;
1460     char *def_string;
1461     char pat[512];
1462    
1463     sprintf (pat,
1464     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1465     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1466     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1467     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1468     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1469     "*",
1470 root 1.149 fheight,
1471     fheight + 1, fheight - 1,
1472     fheight - 2, fheight + 2);
1473 root 1.94
1474 root 1.218 fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1475 root 1.94 &missing_charset_list, &missing_charset_count, &def_string);
1476    
1477     if (missing_charset_list)
1478     XFreeStringList (missing_charset_list);
1479    
1480     if (!fs)
1481     {
1482     input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1483     rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1484     }
1485     }
1486 pcg 1.26
1487     if (input_style & XIMPreeditPosition)
1488     {
1489 root 1.94 im_set_size (rect);
1490     im_set_position (spot);
1491     im_set_color (fg, bg);
1492    
1493     preedit_attr = XVaCreateNestedList (0,
1494     XNForeground, fg,
1495     XNBackground, bg,
1496     XNArea, &rect,
1497     XNSpotLocation, &spot,
1498     XNFontSet, fs,
1499     NULL);
1500 pcg 1.1 }
1501 pcg 1.26 else if (input_style & XIMPreeditArea)
1502     {
1503 root 1.94 im_set_color (fg, bg);
1504 pcg 1.26
1505     /*
1506     * The necessary width of preedit area is unknown
1507     * until create input context.
1508     */
1509     needed_rect.width = 0;
1510 root 1.94 im_set_preedit_area (rect, status_rect, needed_rect);
1511 pcg 1.26
1512 root 1.94 preedit_attr = XVaCreateNestedList (0,
1513     XNForeground, fg,
1514     XNBackground, bg,
1515     XNArea, &rect,
1516     XNFontSet, fs,
1517     NULL);
1518     status_attr = XVaCreateNestedList (0,
1519     XNForeground, fg,
1520     XNBackground, bg,
1521     XNArea, &status_rect,
1522     XNFontSet, fs,
1523 pcg 1.26 NULL);
1524     }
1525 root 1.205 #if ENABLE_XIM_ONTHESPOT
1526 root 1.200 else if (input_style & XIMPreeditCallbacks)
1527     {
1528 sf-exg 1.357 XIMCallback xcb[4];
1529    
1530 root 1.202 im_set_position (spot);
1531    
1532 root 1.200 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1533     xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1534     xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1535 root 1.205 # if 0
1536 root 1.200 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1537 root 1.205 # endif
1538 root 1.200
1539     preedit_attr = XVaCreateNestedList (0,
1540 root 1.202 XNSpotLocation, &spot,
1541 root 1.200 XNPreeditStartCallback, &xcb[0],
1542     XNPreeditDoneCallback , &xcb[1],
1543     XNPreeditDrawCallback , &xcb[2],
1544 root 1.205 # if 0
1545 root 1.200 XNPreeditCaretCallback, &xcb[3],
1546 root 1.205 # endif
1547 root 1.200 NULL);
1548     }
1549 root 1.205 #endif
1550 pcg 1.29
1551 root 1.94 Input_Context = XCreateIC (xim,
1552     XNInputStyle, input_style,
1553 root 1.149 XNClientWindow, vt,
1554 sf-exg 1.355 XNFocusWindow, parent,
1555 root 1.94 preedit_attr ? XNPreeditAttributes : NULL,
1556     preedit_attr,
1557     status_attr ? XNStatusAttributes : NULL,
1558     status_attr, NULL);
1559    
1560 pcg 1.32 if (preedit_attr) XFree (preedit_attr);
1561 root 1.220 if (status_attr) XFree (status_attr);
1562     if (fs) XFreeFontSet (dpy, fs);
1563 pcg 1.29
1564 pcg 1.26 if (Input_Context == NULL)
1565     {
1566 pcg 1.60 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1567 root 1.94 im_destroy ();
1568 pcg 1.29 return false;
1569 pcg 1.26 }
1570 pcg 1.29
1571 root 1.200 #if 0
1572     // unfortunately, only the focus window is used by XIM, hard to fix
1573 root 1.198 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1574     vt_select_input ();
1575 root 1.200 #endif
1576 root 1.198
1577 sf-exg 1.358 im_set_position ();
1578 pcg 1.29
1579     return true;
1580 pcg 1.16 }
1581    
1582     void
1583 pcg 1.29 rxvt_term::im_cb ()
1584 pcg 1.16 {
1585 root 1.147 int i;
1586 pcg 1.16 const char *p;
1587     char **s;
1588     char buf[IMBUFSIZ];
1589    
1590 root 1.177 make_current ();
1591 root 1.135
1592 pcg 1.29 im_destroy ();
1593    
1594     if (Input_Context)
1595 pcg 1.16 return;
1596    
1597 pcg 1.29 if (rs[Rs_imLocale])
1598 pcg 1.38 SET_LOCALE (rs[Rs_imLocale]);
1599 pcg 1.16
1600 pcg 1.29 p = rs[Rs_inputMethod];
1601 pcg 1.16 if (p && *p)
1602     {
1603     bool found = false;
1604    
1605 sf-exg 1.347 s = rxvt_strsplit (',', p);
1606 root 1.116
1607 pcg 1.16 for (i = 0; s[i]; i++)
1608     {
1609     if (*s[i])
1610     {
1611 root 1.94 strcpy (buf, "@im=");
1612     strncat (buf, s[i], IMBUFSIZ - 5);
1613 sf-exg 1.358 if (im_get_ic (buf))
1614 pcg 1.16 {
1615     found = true;
1616     break;
1617     }
1618     }
1619     }
1620 root 1.116
1621 sf-exg 1.347 rxvt_free_strsplit (s);
1622 pcg 1.16
1623     if (found)
1624     goto done;
1625     }
1626    
1627 pcg 1.26 /* try with XMODIFIERS env. var. */
1628 sf-exg 1.358 if (im_get_ic (""))
1629 pcg 1.16 goto done;
1630    
1631 pcg 1.26 /* try with no modifiers base IF the user didn't specify an IM */
1632 sf-exg 1.358 if (im_get_ic ("@im=none"))
1633 pcg 1.16 goto done;
1634    
1635 sf-exg 1.371 done:
1636 pcg 1.29 if (rs[Rs_imLocale])
1637 pcg 1.38 SET_LOCALE (locale);
1638 pcg 1.1 }
1639    
1640     void
1641 sf-exg 1.358 rxvt_term::im_set_position ()
1642 pcg 1.1 {
1643 root 1.94 XRectangle preedit_rect, status_rect, *needed_rect;
1644     XVaNestedList preedit_attr, status_attr;
1645 pcg 1.1
1646 root 1.94 if (!Input_Context
1647 root 1.149 || !focus
1648 root 1.220 || !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1649 sf-exg 1.358 || !im_is_running ())
1650 pcg 1.26 return;
1651 pcg 1.1
1652 root 1.222 if (input_style & XIMPreeditPosition)
1653 root 1.221 {
1654     im_set_size (preedit_rect);
1655     preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1656 ayin 1.255
1657 root 1.221 XSetICValues (Input_Context,
1658     XNPreeditAttributes, preedit_attr, NULL);
1659     }
1660     else
1661     {
1662     /* Getting the necessary width of preedit area */
1663     status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1664     XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1665     XFree (status_attr);
1666 pcg 1.1
1667 root 1.221 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1668     XFree (needed_rect);
1669    
1670     preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1671     status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1672    
1673     XSetICValues (Input_Context,
1674     XNPreeditAttributes, preedit_attr,
1675     XNStatusAttributes, status_attr,
1676     NULL);
1677    
1678     XFree (status_attr);
1679     }
1680    
1681     XFree (preedit_attr);
1682 pcg 1.1 }
1683 ayin 1.258 #endif /* USE_XIM */
1684 pcg 1.1
1685 sasha 1.249 void
1686     rxvt_term::get_window_origin (int &x, int &y)
1687     {
1688     Window cr;
1689 sf-exg 1.355 XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
1690 sasha 1.249 }
1691    
1692     #ifdef HAVE_BG_PIXMAP
1693 root 1.267
1694 root 1.291 void
1695 sasha 1.249 rxvt_term::update_background ()
1696     {
1697 root 1.294 if (update_background_ev.is_active ())
1698     return;
1699    
1700 sf-exg 1.349 ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
1701 root 1.294
1702 sasha 1.297 if (to_wait <= 0.)
1703 sf-exg 1.349 bg_render ();
1704 sasha 1.249 else
1705 sasha 1.296 update_background_ev.start (to_wait);
1706 sasha 1.249 }
1707    
1708     void
1709 root 1.256 rxvt_term::update_background_cb (ev::timer &w, int revents)
1710 sasha 1.249 {
1711 root 1.284 make_current ();
1712 root 1.294
1713     update_background_ev.stop ();
1714 sf-exg 1.349 bg_render ();
1715 root 1.284 refresh_check ();
1716 sasha 1.249 }
1717    
1718     #endif /* HAVE_BG_PIXMAP */
1719    
1720 pcg 1.1 /*----------------------- end-of-file (C source) -----------------------*/