ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/main.C
Revision: 1.399
Committed: Tue Oct 13 08:10:43 2015 UTC (8 years, 7 months ago) by sf-exg
Content type: text/plain
Branch: MAIN
CVS Tags: rxvt-unicode-rel-9_22
Changes since 1.398: +1 -0 lines
Log Message:
Update copyright years.

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 1.394 * Copyright (c) 2003-2014 Marc Lehmann <schmorp@schmorp.de>
17 sf-exg 1.399 * Copyright (c) 2015 Emanuele Giaquinta <e.giaquinta@glauco.it>
18 pcg 1.1 *
19     * This program is free software; you can redistribute it and/or modify
20     * it under the terms of the GNU General Public License as published by
21 root 1.390 * the Free Software Foundation; either version 3 of the License, or
22 pcg 1.1 * (at your option) any later version.
23     *
24     * This program is distributed in the hope that it will be useful,
25     * but WITHOUT ANY WARRANTY; without even the implied warranty of
26     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
27     * GNU General Public License for more details.
28     *
29     * You should have received a copy of the GNU General Public License
30     * along with this program; if not, write to the Free Software
31     * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
32     *---------------------------------------------------------------------*/
33    
34 pcg 1.3 #include "../config.h" /* NECESSARY */
35     #include "rxvt.h" /* NECESSARY */
36 sf-exg 1.332 #include "init.h"
37 root 1.155 #include "keyboard.h"
38     #include "rxvtperl.h"
39 pcg 1.1
40 root 1.151 #include <limits>
41    
42 sf-exg 1.369 #include <assert.h>
43     #include <signal.h>
44     #include <string.h>
45 pcg 1.1
46 ayin 1.278 #include <termios.h>
47 pcg 1.1
48 ayin 1.254 #ifdef HAVE_XSETLOCALE
49     # define X_LOCALE
50     # include <X11/Xlocale.h>
51     #else
52 sf-exg 1.370 # include <locale.h>
53 pcg 1.1 #endif
54    
55 sf-exg 1.332 struct termios rxvt_term::def_tio;
56 pcg 1.65 vector<rxvt_term *> rxvt_term::termlist;
57    
58 root 1.191 // used to tell global functions which terminal instance is "active"
59     rxvt_t rxvt_current_term;
60    
61 root 1.156 static char curlocale[128], savelocale[128];
62 pcg 1.15
63 pcg 1.65 bool
64 root 1.191 rxvt_set_locale (const char *locale) NOTHROW
65 pcg 1.15 {
66 root 1.228 int size = strlen (locale) + 1;
67 root 1.227
68 root 1.228 if (size > sizeof (curlocale))
69 root 1.227 rxvt_fatal ("locale string too long, aborting.\n");
70    
71 root 1.228 if (!locale || !memcmp (locale, curlocale, size))
72 pcg 1.65 return false;
73    
74 root 1.228 memcpy (curlocale, locale, size);
75 pcg 1.65 setlocale (LC_CTYPE, curlocale);
76     return true;
77 pcg 1.15 }
78    
79 root 1.169 void
80 root 1.191 rxvt_push_locale (const char *locale) NOTHROW
81 root 1.156 {
82     strcpy (savelocale, curlocale);
83     rxvt_set_locale (locale);
84     }
85    
86     void
87 root 1.191 rxvt_pop_locale () NOTHROW
88 root 1.156 {
89     rxvt_set_locale (savelocale);
90     }
91    
92 pcg 1.53 #if ENABLE_COMBINING
93 pcg 1.51 class rxvt_composite_vec rxvt_composite;
94    
95 pcg 1.54 text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
96 pcg 1.51 {
97     compose_char *cc;
98 ayin 1.255
99 pcg 1.51 // break compose chains, as stupid readline really likes to duplicate
100 root 1.344 // composing characters for some reason, near the end of a line.
101 pcg 1.51 cc = (*this)[c1];
102     while (cc)
103     {
104     if (cc->c2 == c2) return c1;
105     cc = (*this)[cc->c1];
106     }
107    
108 sf-exg 1.324 // check to see whether this combination already exists otherwise
109 sf-exg 1.359 for (cc = v.begin (); cc < v.end (); cc++)
110 root 1.344 if (cc->c1 == c1 && cc->c2 == c2)
111     return COMPOSE_LO + (cc - v.begin ());
112 pcg 1.51
113     // allocate a new combination
114     if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
115     {
116     static int seen;
117    
118     if (!seen++)
119 root 1.344 rxvt_warn ("too many unrepresentable composite characters, try --enable-unicode3\n");
120 pcg 1.51
121     return REPLACEMENT_CHAR;
122     }
123    
124     v.push_back (compose_char (c1, c2));
125    
126     return v.size () - 1 + COMPOSE_LO;
127     }
128    
129 pcg 1.54 int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
130 pcg 1.51 {
131     compose_char *cc = (*this)[c];
132    
133     if (!cc)
134     {
135     if (r) *r = c;
136     return 1;
137     }
138    
139     int len = expand (cc->c1, r);
140    
141     if (r) r += len;
142    
143     if (cc->c2 != NOCHAR)
144     {
145     len++;
146     if (r) *r++ = cc->c2;
147     }
148    
149     return len;
150    
151     }
152 pcg 1.53 #endif
153 pcg 1.51
154 pcg 1.4 rxvt_term::rxvt_term ()
155 root 1.270 {
156 sasha 1.243 #if HAVE_BG_PIXMAP
157 root 1.270 update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
158 root 1.80 #endif
159 pcg 1.5 #ifdef CURSOR_BLINK
160 root 1.277 cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
161 pcg 1.21 #endif
162     #ifdef TEXT_BLINK
163 root 1.275 text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
164 pcg 1.5 #endif
165 root 1.70 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
166 root 1.270 cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
167 root 1.70 #endif
168     #ifdef SELECTION_SCROLLING
169 root 1.270 sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
170 root 1.70 #endif
171     #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
172 root 1.270 slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
173 root 1.193 #endif
174 sf-exg 1.384 #if BG_IMAGE_FROM_ROOT || ENABLE_PERL
175 root 1.291 rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
176 root 1.269 #endif
177 root 1.270 scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
178 root 1.376 #if USE_XIM
179 root 1.270 im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
180     #endif
181     #ifdef POINTER_BLANK
182     pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
183     #endif
184     #ifndef NO_BELL
185     bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
186 root 1.269 #endif
187 root 1.270 child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
188 root 1.276 flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
189 root 1.270 destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
190     pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
191     termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
192     vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
193 root 1.269
194 pcg 1.4 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
195 pcg 1.65
196     termlist.push_back (this);
197 root 1.128
198     #ifdef KEYSYM_RESOURCE
199     keyboard = new keyboard_manager;
200     #endif
201 pcg 1.4 }
202    
203 root 1.134 // clean up the most important stuff, do *not* call x or free mem etc.
204     // for use before an emergency exit
205 ayin 1.253 void
206     rxvt_term::emergency_cleanup ()
207 pcg 1.4 {
208 root 1.94 if (cmd_pid)
209     kill (-cmd_pid, SIGHUP);
210    
211 root 1.223 pty_ev.stop ();
212 root 1.184 delete pty; pty = 0;
213 root 1.134 }
214    
215     rxvt_term::~rxvt_term ()
216     {
217     termlist.erase (find (termlist.begin (), termlist.end(), this));
218    
219     emergency_cleanup ();
220 root 1.132
221 root 1.108 #if ENABLE_STYLES
222     for (int i = RS_styleCount; --i; )
223 root 1.149 if (fontset[i] != fontset[0])
224     delete fontset[i];
225 root 1.108 #endif
226 root 1.149 delete fontset[0];
227 pcg 1.34
228 root 1.300 #ifdef HAVE_BG_PIXMAP
229 sf-exg 1.349 bg_destroy ();
230 root 1.300 #endif
231    
232 sf-exg 1.385 #if HAVE_IMG
233     delete bg_img;
234     #endif
235    
236 pcg 1.34 if (display)
237 pcg 1.44 {
238 pcg 1.60 selection_clear ();
239 sf-exg 1.319 selection_clear (true);
240 pcg 1.60
241 root 1.376 #if USE_XIM
242 root 1.77 im_destroy ();
243     #endif
244 ayin 1.308 scrollBar.destroy ();
245 root 1.388
246     if (gc)
247     XFreeGC (dpy, gc);
248 pcg 1.60
249 root 1.149 delete drawable;
250 root 1.388
251 pcg 1.45 // destroy all windows
252 sf-exg 1.355 if (parent)
253     XDestroyWindow (dpy, parent);
254 root 1.206
255 root 1.216 for (int i = 0; i < TOTAL_COLORS; i++)
256     if (ISSET_PIXCOLOR (i))
257     {
258     pix_colors_focused [i].free (this);
259     #if OFF_FOCUS_FADING
260 root 1.395 if (rs[Rs_fade])
261     pix_colors_unfocused [i].free (this);
262 root 1.216 #endif
263     }
264    
265 root 1.206 clear ();
266 root 1.300
267     display->flush (); /* ideally .put should do this */
268     displays.put (display);
269 pcg 1.44 }
270 pcg 1.34
271     scr_release ();
272    
273 pcg 1.60 /* clear all resources */
274     for (int i = 0; i < allocated.size (); i++)
275 root 1.134 free (allocated [i]);
276 pcg 1.60
277     free (selection.text);
278 sf-exg 1.319 free (selection.clip_text);
279 pcg 1.34 free (locale);
280 root 1.120 free (v_buffer);
281 pcg 1.34
282 sf-exg 1.353 delete selection_req;
283    
284 sf-exg 1.392 if (env && memcmp (env, envv->begin (), envv->size () * sizeof (char *)))
285 sf-exg 1.391 rxvt_warn ("env has been modified, probably as a result of a lib calling setenv.\n");
286    
287 sf-exg 1.398 delete [] env;
288 sf-exg 1.391
289 pcg 1.33 delete envv;
290     delete argv;
291 root 1.128
292     #ifdef KEYSYM_RESOURCE
293 root 1.134 delete keyboard;
294 root 1.128 #endif
295 ayin 1.263 #ifndef NO_RESOURCES
296     XrmDestroyDatabase (option_db);
297     #endif
298 root 1.393
299     SET_R ((rxvt_term *)0);
300 pcg 1.4 }
301    
302 root 1.189 // child has exited, usually destroys
303 pcg 1.8 void
304 root 1.256 rxvt_term::child_cb (ev::child &w, int status)
305 root 1.152 {
306 root 1.189 HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
307    
308 root 1.152 cmd_pid = 0;
309    
310 root 1.232 if (!option (Opt_hold))
311 root 1.152 destroy ();
312     }
313    
314     void
315 pcg 1.8 rxvt_term::destroy ()
316     {
317 root 1.281 if (destroy_ev.is_active ())
318 root 1.77 return;
319    
320 root 1.200 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
321 root 1.191
322 root 1.94 #if ENABLE_OVERLAY
323     scr_overlay_off ();
324     #endif
325    
326 pcg 1.27 if (display)
327     {
328 root 1.80 #if USE_XIM
329 pcg 1.29 im_ev.stop (display);
330     #endif
331 pcg 1.27 scrollbar_ev.stop (display);
332 sf-exg 1.384 #if BG_IMAGE_FROM_ROOT || ENABLE_PERL
333 root 1.77 rootwin_ev.stop (display);
334 root 1.80 #endif
335 root 1.77 termwin_ev.stop (display);
336     vt_ev.stop (display);
337 pcg 1.27 }
338    
339 root 1.283 flush_ev.stop ();
340 pcg 1.8 pty_ev.stop ();
341     #ifdef CURSOR_BLINK
342 pcg 1.21 cursor_blink_ev.stop ();
343     #endif
344     #ifdef TEXT_BLINK
345     text_blink_ev.stop ();
346 pcg 1.8 #endif
347 root 1.70 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
348     cont_scroll_ev.stop ();
349     #endif
350     #ifdef SELECTION_SCROLLING
351     sel_scroll_ev.stop ();
352     #endif
353 pcg 1.8 #ifdef POINTER_BLANK
354     pointer_ev.stop ();
355     #endif
356    
357 root 1.256 destroy_ev.start ();
358 pcg 1.8 }
359    
360     void
361 root 1.260 rxvt_term::destroy_cb (ev::idle &w, int revents)
362 pcg 1.8 {
363 root 1.177 make_current ();
364 pcg 1.8
365     delete this;
366     }
367    
368 root 1.337 void
369 root 1.368 rxvt_term::set_option (uint8_t opt, bool set) NOTHROW
370 root 1.337 {
371     if (!opt)
372     return;
373    
374     uint8_t mask = 1 << (opt & 7);
375     uint8_t &val = options [opt >> 3];
376    
377 root 1.338 val = val & ~mask | (set ? mask : 0);
378 root 1.337 }
379    
380 pcg 1.1 /*----------------------------------------------------------------------*/
381 root 1.134 /*
382     * Exit gracefully, clearing the utmp entry and restoring tty attributes
383     */
384     static XErrorHandler old_xerror_handler;
385    
386     static void
387     rxvt_emergency_cleanup ()
388     {
389     for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
390     (*t)->emergency_cleanup ();
391     }
392    
393 root 1.209 #if !ENABLE_MINIMAL
394 root 1.373 static void ecb_cold
395 root 1.135 print_x_error (Display *dpy, XErrorEvent *event)
396     {
397 root 1.393 char buffer[BUFSIZ];
398     char mesg[BUFSIZ];
399     char number[32];
400 root 1.380
401 root 1.393 rxvt_warn ("An X Error occurred, trying to continue after report.\n");
402 root 1.380
403 root 1.393 XGetErrorDatabaseText (dpy, "XlibMessage", "ErrorSerial", "Error Serial #%d", mesg, BUFSIZ);
404     snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->serial);
405 root 1.378
406 root 1.393 XGetErrorText (dpy, event->error_code, buffer, BUFSIZ);
407     XGetErrorDatabaseText (dpy, "XlibMessage", "XError", "X Error", mesg, BUFSIZ);
408     rxvt_warn ("+ %s: %s\n", mesg, buffer);
409 root 1.380
410 root 1.393 XGetErrorDatabaseText (dpy, "XlibMessage", "MajorCode", "Request Major code %d", mesg, BUFSIZ);
411     snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->request_code);
412 root 1.380
413 root 1.393 if (event->request_code >= 128)
414     {
415 root 1.381 #if 0
416 root 1.393 /* XListExtensions and probably query extensions hangs when there are multiple queues errors */
417     int nexts;
418     char **exts = XListExtensions (dpy, &nexts);
419 root 1.381
420 root 1.393 while (nexts)
421     {
422     char *extname = exts [nexts - 1];
423     int major, first_event, first_error;
424    
425     if (XQueryExtension (dpy, extname, &major, &first_event, &first_error) && major == event->request_code)
426     {
427     XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
428     rxvt_warn ("+ (which is extension %s minor code %d)\n", extname, event->minor_code);
429 root 1.381
430 root 1.393 snprintf (buffer, BUFSIZ, "%s.%d", extname, event->minor_code);
431     XGetErrorDatabaseText (dpy, "XRequest", buffer, "an unregistered minor code", buffer, BUFSIZ);
432     rxvt_warn ("+ (which is %s)\n", buffer);
433 root 1.381
434 root 1.393 break;
435     }
436 root 1.381
437 root 1.393 printf ("nextss %d %s\n", nexts, extname);//D
438     --nexts;
439     ++exts;
440     }
441 root 1.381 #else
442 root 1.393 int nexts = 0;
443     char **exts = 0;
444 root 1.381 #endif
445 root 1.378
446 root 1.393 if (!nexts)
447     {
448     rxvt_warn ("+ (which is an unknown extension)\n", buffer);
449 root 1.381
450 root 1.393 XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
451     snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->minor_code);
452 root 1.381
453 root 1.382 #if 0
454 root 1.393 sprintf (number, "RENDER.%d", event->minor_code);
455     XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
456     rxvt_warn ("+ (which is %s)\n", buffer);
457 root 1.382 #endif
458 root 1.393 }
459 root 1.381
460 root 1.393 XFreeExtensionList (exts);
461     }
462     else
463     {
464     sprintf (number, "%d", event->request_code);
465     XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
466     rxvt_warn ("+ (which is %s)\n", buffer);
467     }
468    
469     if (event->error_code == BadWindow
470     || event->error_code == BadPixmap
471     || event->error_code == BadCursor
472     || event->error_code == BadFont
473     || event->error_code == BadDrawable
474     || event->error_code == BadColor
475     || event->error_code == BadGC
476     || event->error_code == BadIDChoice
477     || event->error_code == BadValue
478     || event->error_code == BadAtom)
479     {
480     if (event->error_code == BadValue)
481     XGetErrorDatabaseText (dpy, "XlibMessage", "Value", "Value 0x%x", mesg, BUFSIZ);
482     else if (event->error_code == BadAtom)
483     XGetErrorDatabaseText (dpy, "XlibMessage", "AtomID", "AtomID 0x%x", mesg, BUFSIZ);
484     else
485     XGetErrorDatabaseText (dpy, "XlibMessage", "ResourceID", "ResourceID 0x%x", mesg, BUFSIZ);
486 root 1.378
487 root 1.393 snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->resourceid);
488 root 1.135 }
489     }
490     #endif
491    
492 root 1.373 int ecb_cold
493 root 1.134 rxvt_xerror_handler (Display *display, XErrorEvent *event)
494     {
495 root 1.393 if (GET_R && GET_R->allowedxerror == -1)
496 root 1.134 GET_R->allowedxerror = event->error_code;
497     else
498     {
499 root 1.146 // GET_R is most likely not the terminal which caused the error,
500     // so just output the error and continue
501 root 1.209 #if ENABLE_MINIMAL
502     old_xerror_handler (display, event);
503     #else
504 root 1.135 print_x_error (display, event);
505     #endif
506 root 1.134 }
507    
508     return 0;
509     }
510    
511 root 1.373 int ecb_cold
512 root 1.134 rxvt_xioerror_handler (Display *display)
513     {
514     rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
515     DisplayString (display));
516     rxvt_emergency_cleanup ();
517     _exit (EXIT_FAILURE);
518     }
519    
520 root 1.148 static struct sig_handlers
521     {
522 root 1.256 ev::sig sw_term, sw_int;
523 ayin 1.255
524 root 1.148 /*
525     * Catch a fatal signal and tidy up before quitting
526     */
527 root 1.271 void sig_term (ev::sig &w, int revents);
528 root 1.148
529     sig_handlers ()
530     {
531 root 1.270 sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
532     sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
533 root 1.148 }
534     } sig_handlers;
535    
536 root 1.271 void
537     sig_handlers::sig_term (ev::sig &w, int revents)
538     {
539     rxvt_emergency_cleanup ();
540     w.stop ();
541     kill (getpid (), w.signum);
542     }
543    
544 sf-exg 1.332 static void
545     rxvt_get_ttymode (struct termios *tio)
546     {
547     if (tcgetattr (STDIN_FILENO, tio) < 0)
548     memset (tio, 0, sizeof (struct termios));
549    
550     for (int i = 0; i < NCCS; i++)
551     tio->c_cc[i] = VDISABLE;
552    
553     tio->c_cc[VINTR] = CINTR;
554     tio->c_cc[VQUIT] = CQUIT;
555     tio->c_cc[VERASE] = CERASE;
556     #ifdef VERASE2
557     tio->c_cc[VERASE2] = CERASE2;
558     #endif
559     tio->c_cc[VKILL] = CKILL;
560     tio->c_cc[VEOF] = CEOF;
561     tio->c_cc[VSTART] = CSTART;
562     tio->c_cc[VSTOP] = CSTOP;
563     tio->c_cc[VSUSP] = CSUSP;
564     # ifdef VDSUSP
565     tio->c_cc[VDSUSP] = CDSUSP;
566     # endif
567     # ifdef VREPRINT
568     tio->c_cc[VREPRINT] = CRPRNT;
569     # endif
570     # ifdef VDISCRD
571     tio->c_cc[VDISCRD] = CFLUSH;
572     # endif
573     # ifdef VWERSE
574     tio->c_cc[VWERSE] = CWERASE;
575     # endif
576     # ifdef VLNEXT
577     tio->c_cc[VLNEXT] = CLNEXT;
578     # endif
579 sf-exg 1.336 # ifdef VSTATUS
580     tio->c_cc[VSTATUS] = CSTATUS;
581     # endif
582 sf-exg 1.332
583     # if VMIN != VEOF
584     tio->c_cc[VMIN] = 1;
585     # endif
586     # if VTIME != VEOL
587     tio->c_cc[VTIME] = 0;
588     # endif
589    
590     /* input modes */
591     tio->c_iflag = (BRKINT | IGNPAR | ICRNL
592     # ifdef IMAXBEL
593     | IMAXBEL
594     # endif
595     | IXON);
596    
597     /* output modes */
598     tio->c_oflag = (OPOST | ONLCR);
599    
600     /* control modes */
601     tio->c_cflag = (CS8 | CREAD);
602    
603     /* local modes */
604     tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
605     # if defined (ECHOCTL) && defined (ECHOKE)
606     | ECHOCTL | ECHOKE
607     # endif
608     | ECHOE | ECHOK);
609     }
610    
611 root 1.175 char **rxvt_environ; // startup environment
612    
613 pcg 1.60 void
614 root 1.94 rxvt_init ()
615 pcg 1.60 {
616 root 1.327 assert (("fontMask must not overlap other RS masks",
617     0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
618    
619 sf-exg 1.332 rxvt_get_ttymode (&rxvt_term::def_tio);
620    
621 sf-exg 1.331 // get rid of stdin/stdout as we don't need them, to free resources
622     dup2 (STDERR_FILENO, STDIN_FILENO);
623     dup2 (STDERR_FILENO, STDOUT_FILENO);
624    
625 root 1.333 if (!ev_default_loop ())
626 root 1.257 rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
627 root 1.186
628 root 1.175 rxvt_environ = environ;
629    
630 root 1.114 signal (SIGHUP, SIG_IGN);
631     signal (SIGPIPE, SIG_IGN);
632 pcg 1.60
633 root 1.264 sig_handlers.sw_term.start (SIGTERM); ev_unref ();
634     sig_handlers.sw_int.start (SIGINT); ev_unref ();
635 root 1.148
636 pcg 1.60 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
637 root 1.114 // TODO: handle this with exceptions and tolerate the memory loss
638 root 1.134 XSetIOErrorHandler (rxvt_xioerror_handler);
639 root 1.166
640     XrmInitialize ();
641 root 1.374
642 root 1.376 #if HAVE_PIXBUF
643 root 1.374 g_type_init ();
644     #endif
645 pcg 1.60 }
646    
647 pcg 1.1 /*----------------------------------------------------------------------*/
648     /*
649 ayin 1.236 * window size/position calculations for XSizeHint and other storage.
650 pcg 1.1 * if width/height are non-zero then override calculated width/height
651     */
652     void
653 root 1.149 rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
654 pcg 1.1 {
655 root 1.134 short recalc_x, recalc_y;
656 ayin 1.306 int x, y, flags;
657 root 1.134 unsigned int w, h;
658     unsigned int max_width, max_height;
659 pcg 1.26
660     szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
661     szHint.win_gravity = NorthWestGravity;
662     /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
663    
664     recalc_x = recalc_y = 0;
665     flags = 0;
666 root 1.149
667 pcg 1.26 if (!parsed_geometry)
668     {
669     parsed_geometry = 1;
670 root 1.149
671 pcg 1.26 if (rs[Rs_geometry])
672 pcg 1.32 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
673 root 1.136
674 pcg 1.26 if (flags & WidthValue)
675     {
676 root 1.310 if (!w)
677     rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
678    
679     ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
680 pcg 1.26 szHint.flags |= USSize;
681 pcg 1.3 }
682 root 1.136
683 pcg 1.26 if (flags & HeightValue)
684     {
685 root 1.310 if (!h)
686     rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
687    
688     nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
689 pcg 1.26 szHint.flags |= USSize;
690 pcg 1.3 }
691 root 1.136
692 pcg 1.26 if (flags & XValue)
693     {
694     szHint.x = x;
695     szHint.flags |= USPosition;
696 root 1.149
697 pcg 1.26 if (flags & XNegative)
698     {
699     recalc_x = 1;
700     szHint.win_gravity = NorthEastGravity;
701 pcg 1.3 }
702     }
703 root 1.136
704 pcg 1.26 if (flags & YValue)
705     {
706     szHint.y = y;
707     szHint.flags |= USPosition;
708 root 1.149
709 pcg 1.26 if (flags & YNegative)
710     {
711     recalc_y = 1;
712 root 1.149
713 pcg 1.26 if (szHint.win_gravity == NorthEastGravity)
714     szHint.win_gravity = SouthEastGravity;
715     else
716     szHint.win_gravity = SouthWestGravity;
717 pcg 1.3 }
718     }
719 pcg 1.1 }
720 pcg 1.53
721 pcg 1.26 /* TODO: BOUNDS */
722 root 1.149 width = ncol * fwidth;
723     height = nrow * fheight;
724     max_width = MAX_COLS * fwidth;
725     max_height = MAX_ROWS * fheight;
726 pcg 1.26
727 root 1.149 szHint.base_width = szHint.base_height = 2 * int_bwidth;
728 pcg 1.26
729 root 1.149 window_vt_x = window_vt_y = int_bwidth;
730 pcg 1.67
731 root 1.180 if (scrollBar.state)
732 pcg 1.26 {
733 ayin 1.306 int sb_w = scrollBar.total_width ();
734 pcg 1.26 szHint.base_width += sb_w;
735 root 1.213
736 root 1.232 if (!option (Opt_scrollBar_right))
737 root 1.70 window_vt_x += sb_w;
738 pcg 1.26 }
739 pcg 1.67
740 root 1.219 szHint.width_inc = fwidth;
741 root 1.149 szHint.height_inc = fheight;
742 root 1.219 szHint.min_width = szHint.base_width + szHint.width_inc;
743 pcg 1.26 szHint.min_height = szHint.base_height + szHint.height_inc;
744    
745 root 1.149 if (newwidth && newwidth - szHint.base_width < max_width)
746 pcg 1.26 {
747 root 1.149 szHint.width = newwidth;
748     width = newwidth - szHint.base_width;
749 pcg 1.26 }
750     else
751     {
752 root 1.150 min_it (width, max_width);
753 root 1.149 szHint.width = szHint.base_width + width;
754 pcg 1.26 }
755 pcg 1.67
756 root 1.149 if (newheight && newheight - szHint.base_height < max_height)
757 pcg 1.26 {
758 root 1.149 szHint.height = newheight;
759     height = newheight - szHint.base_height;
760 pcg 1.26 }
761     else
762     {
763 root 1.150 min_it (height, max_height);
764 root 1.149 szHint.height = szHint.base_height + height;
765 pcg 1.26 }
766 pcg 1.67
767 pcg 1.26 if (recalc_x)
768 root 1.218 szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
769 root 1.206
770 pcg 1.26 if (recalc_y)
771 root 1.218 szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
772 pcg 1.26
773 root 1.312 ncol = width / fwidth;
774 root 1.149 nrow = height / fheight;
775 sf-exg 1.360
776     // When the size of the vt window is not a multiple of the cell
777     // size, i.e., when the wm does not honour our size hints, there are
778     // extra areas not covered by the terminal screen. Such gaps, when a
779     // bg pixmap is set, would have to be cleared manually to properly
780     // refresh the background. We take the simpler route and shrink the
781     // vt window so as to avoid creating gaps.
782 sf-exg 1.366 vt_width = ncol * fwidth;
783     vt_height = nrow * fheight;
784 pcg 1.1 }
785    
786     /*----------------------------------------------------------------------*/
787     /*
788     * Tell the teletype handler what size the window is.
789     * Called after a window size change.
790     */
791     void
792 pcg 1.9 rxvt_term::tt_winch ()
793 pcg 1.1 {
794 root 1.184 if (pty->pty < 0)
795 root 1.94 return;
796    
797 pcg 1.20 struct winsize ws;
798 pcg 1.9
799 root 1.149 ws.ws_col = ncol;
800     ws.ws_row = nrow;
801 sf-exg 1.366 ws.ws_xpixel = vt_width;
802     ws.ws_ypixel = vt_height;
803 root 1.317 ioctl (pty->pty, TIOCSWINSZ, &ws);
804 root 1.94
805     #if 0
806 ayin 1.274 // TIOCSWINSZ is supposed to do this automatically and correctly
807 root 1.94 if (cmd_pid) /* force through to the command */
808 root 1.140 kill (-cmd_pid, SIGWINCH);
809 pcg 1.1 #endif
810     }
811    
812     /*----------------------------------------------------------------------*/
813 sf-exg 1.356 /* load and set the various fonts */
814 pcg 1.41 bool
815 root 1.108 rxvt_term::set_fonts ()
816 pcg 1.41 {
817 root 1.108 rxvt_fontset *fs = new rxvt_fontset (this);
818     rxvt_fontprop prop;
819    
820     if (!fs
821 root 1.114 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
822 root 1.108 || !fs->realize_font (1))
823 pcg 1.41 {
824 root 1.108 delete fs;
825     return false;
826 pcg 1.41 }
827 root 1.108
828     #if ENABLE_STYLES
829     for (int i = RS_styleCount; --i; )
830 root 1.149 if (fontset[i] != fontset[0])
831     delete fontset[i];
832 root 1.108 #endif
833    
834 root 1.149 delete fontset[0];
835     fontset[0] = fs;
836 root 1.108
837 root 1.325 prop = (*fs)[rxvt_fontset::firstFont]->properties ();
838 sf-exg 1.383 prop.width = max (prop.width + letterSpace, 1);
839 root 1.230
840     fs->set_prop (prop, false);
841 root 1.108
842 root 1.149 fwidth = prop.width;
843 sf-exg 1.372 fheight = prop.height + lineSpace;
844 root 1.158 fbase = prop.ascent;
845 root 1.108
846     for (int style = 1; style < 4; style++)
847 pcg 1.41 {
848 root 1.108 #if ENABLE_STYLES
849     const char *res = rs[Rs_font + style];
850 pcg 1.41
851 root 1.108 if (res && !*res)
852 root 1.149 fontset[style] = fontset[0];
853 root 1.108 else
854 pcg 1.41 {
855 root 1.149 fontset[style] = fs = new rxvt_fontset (this);
856 root 1.108 rxvt_fontprop prop2 = prop;
857 pcg 1.41
858 root 1.108 if (res)
859 root 1.231 {
860     fs->populate (res);
861     fs->set_prop (prop2, false);
862     }
863 root 1.108 else
864 pcg 1.42 {
865 root 1.231 fs->populate (fontset[0]->fontdesc);
866 pcg 1.42
867 root 1.108 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
868     if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
869 root 1.231
870     fs->set_prop (prop2, true);
871 root 1.108 }
872 root 1.76
873 pcg 1.41 }
874 root 1.108 #else
875 root 1.149 fontset[style] = fontset[0];
876 root 1.108 #endif
877 pcg 1.41 }
878    
879 sf-exg 1.355 if (parent)
880 root 1.108 {
881     resize_all_windows (0, 0, 0);
882     scr_remap_chars ();
883     scr_touch (true);
884 ayin 1.255 }
885 pcg 1.1
886 root 1.108 return true;
887 pcg 1.41 }
888 pcg 1.1
889 ayin 1.253 void
890     rxvt_term::set_string_property (Atom prop, const char *str, int len)
891 root 1.118 {
892 sf-exg 1.355 XChangeProperty (dpy, parent,
893 root 1.118 prop, XA_STRING, 8, PropModeReplace,
894     (const unsigned char *)str, len >= 0 ? len : strlen (str));
895     }
896    
897 ayin 1.253 void
898 sf-exg 1.328 rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
899     {
900     XTextProperty ct;
901    
902     if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
903     {
904 sf-exg 1.355 XSetTextProperty (dpy, parent, &ct, prop);
905 sf-exg 1.328 XFree (ct.value);
906     }
907     }
908    
909     void
910 ayin 1.253 rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
911 root 1.118 {
912     wchar_t *ws = rxvt_mbstowcs (str, len);
913     char *s = rxvt_wcstoutf8 (ws);
914    
915 sf-exg 1.355 XChangeProperty (dpy, parent,
916 root 1.118 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
917     (const unsigned char *)s, strlen (s));
918    
919     free (s);
920     free (ws);
921     }
922    
923 pcg 1.1 /*----------------------------------------------------------------------*/
924     /*----------------------------------------------------------------------*/
925     /* xterm sequences - title, iconName, color (exptl) */
926     void
927 pcg 1.22 rxvt_term::set_title (const char *str)
928 pcg 1.1 {
929 sf-exg 1.328 set_mbstring_property (XA_WM_NAME, str);
930 root 1.144 #if ENABLE_EWMH
931 root 1.121 set_utf8_property (xa[XA_NET_WM_NAME], str);
932 pcg 1.1 #endif
933     }
934    
935     void
936 pcg 1.60 rxvt_term::set_icon_name (const char *str)
937 pcg 1.1 {
938 sf-exg 1.328 set_mbstring_property (XA_WM_ICON_NAME, str);
939 root 1.144 #if ENABLE_EWMH
940 root 1.121 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
941 pcg 1.1 #endif
942     }
943    
944     void
945 pcg 1.22 rxvt_term::set_window_color (int idx, const char *color)
946 pcg 1.1 {
947 ayin 1.252 #ifdef XTERM_COLOR_CHANGE
948 pcg 1.26 if (color == NULL || *color == '\0')
949     return;
950 pcg 1.1
951 root 1.212 color = strdup (color);
952     allocated.push_back ((void *)color);
953     rs[Rs_color + idx] = color;
954    
955 pcg 1.26 /* handle color aliases */
956 pcg 1.32 if (isdigit (*color))
957 pcg 1.26 {
958 ayin 1.304 int i = atoi (color);
959 root 1.134
960 pcg 1.26 if (i >= 8 && i <= 15)
961 ayin 1.265 {
962     /* bright colors */
963 root 1.397 alias_color (idx, minBrightCOLOR + i - 8);
964 root 1.145 goto done;
965 root 1.134 }
966 pcg 1.26
967     if (i >= 0 && i <= 7)
968 ayin 1.265 {
969     /* normal colors */
970 root 1.397 alias_color (idx, minCOLOR + i);
971 root 1.145 goto done;
972 pcg 1.3 }
973 pcg 1.1 }
974 pcg 1.65
975 root 1.397 pix_colors_focused[idx].free (this);
976     set_color (pix_colors_focused[idx], color);
977 pcg 1.1
978 root 1.145 done:
979 root 1.108 /*TODO: handle Color_BD, scrollbar background, etc. */
980 pcg 1.26
981 root 1.225 update_fade_color (idx);
982 root 1.397 recolor_cursor ();
983     scr_recolor ();
984 ayin 1.258 #endif /* XTERM_COLOR_CHANGE */
985 pcg 1.1 }
986    
987     void
988 root 1.397 rxvt_term::recolor_cursor ()
989 pcg 1.1 {
990 root 1.215 XColor fg, bg;
991 pcg 1.1
992 root 1.215 (ISSET_PIXCOLOR (Color_pointer_fg)
993     ? pix_colors_focused[Color_pointer_fg]
994     : pix_colors_focused[Color_fg]).get (fg);
995 root 1.108
996 root 1.215 (ISSET_PIXCOLOR (Color_pointer_bg)
997     ? pix_colors_focused[Color_pointer_bg]
998     : pix_colors_focused[Color_bg]).get (bg);
999    
1000 root 1.218 XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
1001 pcg 1.1 }
1002    
1003     /*----------------------------------------------------------------------*/
1004     /*
1005     * find if fg/bg matches any of the normal (low-intensity) colors
1006     */
1007 sf-exg 1.365 char *
1008     rxvt_term::get_colorfgbg ()
1009 pcg 1.1 {
1010 root 1.108 unsigned int i;
1011 root 1.268 const char *xpmb = "";
1012 sf-exg 1.346 char fstr[] = "default";
1013     char bstr[] = "default";
1014 sf-exg 1.365 char *env_colorfgbg;
1015 pcg 1.26
1016     for (i = Color_Black; i <= Color_White; i++)
1017 root 1.94 if (pix_colors[Color_fg] == pix_colors[i])
1018 pcg 1.26 {
1019 root 1.345 sprintf (fstr, "%d", i - Color_Black);
1020 pcg 1.26 break;
1021     }
1022 root 1.108
1023 pcg 1.26 for (i = Color_Black; i <= Color_White; i++)
1024 root 1.94 if (pix_colors[Color_bg] == pix_colors[i])
1025 pcg 1.26 {
1026 root 1.345 sprintf (bstr, "%d", i - Color_Black);
1027 root 1.376 #if BG_IMAGE_FROM_FILE
1028 pcg 1.26 xpmb = "default;";
1029 pcg 1.1 #endif
1030 pcg 1.26 break;
1031     }
1032 pcg 1.33
1033 sf-exg 1.365 env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg"));
1034 pcg 1.32 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
1035 sf-exg 1.365 return env_colorfgbg;
1036 pcg 1.1 }
1037    
1038     /*----------------------------------------------------------------------*/
1039    
1040 root 1.208 bool
1041     rxvt_term::set_color (rxvt_color &color, const char *name)
1042 pcg 1.1 {
1043 root 1.208 if (color.set (this, name))
1044     return true;
1045 pcg 1.1
1046 root 1.208 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
1047     return false;
1048 pcg 1.1 }
1049    
1050 root 1.216 void
1051     rxvt_term::alias_color (int dst, int src)
1052     {
1053 root 1.396 pix_colors[dst].free (this);
1054 root 1.216 pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
1055     }
1056    
1057 pcg 1.1 /* -------------------------------------------------------------------- *
1058     * - WINDOW RESIZING - *
1059     * -------------------------------------------------------------------- */
1060     void
1061 root 1.149 rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1062 pcg 1.1 {
1063 pcg 1.17 int fix_screen;
1064 root 1.197 int old_width = szHint.width;
1065     int old_height = szHint.height;
1066 pcg 1.1
1067 root 1.149 window_calc (newwidth, newheight);
1068 root 1.219
1069 root 1.312 bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
1070    
1071 root 1.313 // to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
1072 root 1.312 if (set_hint)
1073     {
1074     szHint.flags &= ~(PBaseSize | PResizeInc);
1075 sf-exg 1.355 XSetWMNormalHints (dpy, parent, &szHint);
1076 root 1.312 szHint.flags |= PBaseSize | PResizeInc;
1077     }
1078 pcg 1.67
1079 pcg 1.17 if (!ignoreparent)
1080     {
1081 pcg 1.3 #ifdef SMART_RESIZE
1082 pcg 1.17 /*
1083     * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
1084     * reposition window on resize depending on placement on screen
1085     */
1086     int x, y, x1, y1;
1087     int dx, dy;
1088     unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1089     Window unused_cr;
1090    
1091 sf-exg 1.355 XTranslateCoordinates (dpy, parent, display->root,
1092 pcg 1.17 0, 0, &x, &y, &unused_cr);
1093 sf-exg 1.355 XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
1094 pcg 1.17 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
1095     /*
1096 pcg 1.27 * if display->root isn't the parent window, a WM will probably have offset
1097 pcg 1.17 * our position for handles and decorations. Counter it
1098     */
1099 pcg 1.26 if (x1 != x || y1 != y)
1100     {
1101 pcg 1.17 x -= x1;
1102     y -= y1;
1103 pcg 1.26 }
1104 pcg 1.17
1105 root 1.218 x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
1106     y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
1107 root 1.197 dx = old_width - szHint.width;
1108 pcg 1.17 dy = old_height - szHint.height;
1109    
1110 pcg 1.26 /* Check position of the center of the window */
1111 pcg 1.17 if (x < x1) /* left half */
1112 pcg 1.26 dx = 0;
1113 pcg 1.17 else if (x == x1) /* exact center */
1114 pcg 1.26 dx /= 2;
1115 pcg 1.17 if (y < y1) /* top half */
1116 pcg 1.26 dy = 0;
1117 pcg 1.17 else if (y == y1) /* exact center */
1118 pcg 1.26 dy /= 2;
1119 pcg 1.3
1120 sf-exg 1.355 XMoveResizeWindow (dpy, parent, x + dx, y + dy,
1121 pcg 1.17 szHint.width, szHint.height);
1122 pcg 1.1 #else
1123 sf-exg 1.355 XResizeWindow (dpy, parent, szHint.width, szHint.height);
1124 pcg 1.1 #endif
1125     }
1126    
1127 root 1.314 if (set_hint)
1128 sf-exg 1.355 XSetWMNormalHints (dpy, parent, &szHint);
1129 root 1.314
1130 root 1.149 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1131 pcg 1.17
1132 root 1.149 if (fix_screen || newwidth != old_width || newheight != old_height)
1133 pcg 1.17 {
1134 root 1.180 if (scrollBar.state)
1135 ayin 1.307 scrollBar.resize ();
1136 pcg 1.17
1137 root 1.218 XMoveResizeWindow (dpy, vt,
1138 pcg 1.67 window_vt_x, window_vt_y,
1139 sf-exg 1.366 vt_width, vt_height);
1140 root 1.132
1141 root 1.377 HOOK_INVOKE ((this, HOOK_SIZE_CHANGE, DT_INT, newwidth, DT_INT, newheight, DT_END));
1142    
1143 ayin 1.247 #ifdef HAVE_BG_PIXMAP
1144 sf-exg 1.349 if (bg_window_size_sensitive ())
1145 sasha 1.248 update_background ();
1146 pcg 1.1 #endif
1147     }
1148    
1149 pcg 1.17 if (fix_screen || old_height == 0)
1150 root 1.315 scr_reset ();
1151 pcg 1.1
1152 root 1.376 #if USE_XIM
1153 sf-exg 1.358 im_set_position ();
1154 pcg 1.1 #endif
1155     }
1156    
1157     /*
1158     * Set the width/height of the vt window in characters. Units are pixels.
1159     * good for toggling 80/132 columns
1160     */
1161     void
1162 root 1.149 rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1163 pcg 1.1 {
1164 pcg 1.26 XWindowAttributes wattr;
1165 pcg 1.1
1166 root 1.149 if (newwidth == 0 || newheight == 0)
1167 pcg 1.26 {
1168 root 1.218 XGetWindowAttributes (dpy, display->root, &wattr);
1169 root 1.142
1170 root 1.149 if (newwidth == 0)
1171     newwidth = wattr.width - szHint.base_width;
1172     if (newheight == 0)
1173     newheight = wattr.height - szHint.base_height;
1174 pcg 1.26 }
1175 root 1.80
1176 sf-exg 1.366 if (newwidth != vt_width || newheight != vt_height)
1177 pcg 1.26 {
1178 root 1.149 newwidth += szHint.base_width;
1179     newheight += szHint.base_height;
1180     resize_all_windows (newwidth, newheight, 0);
1181 pcg 1.1 }
1182     }
1183    
1184     /* -------------------------------------------------------------------- *
1185     * - X INPUT METHOD ROUTINES - *
1186     * -------------------------------------------------------------------- */
1187 root 1.376 #if USE_XIM
1188 pcg 1.29
1189 pcg 1.1 void
1190 root 1.94 rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1191 pcg 1.1 {
1192 root 1.216 fg = pix_colors [Color_fg];
1193     bg = pix_colors [Color_bg];
1194 pcg 1.1 }
1195    
1196     void
1197 root 1.94 rxvt_term::im_set_size (XRectangle &size)
1198 pcg 1.1 {
1199 root 1.94 // the int_bwidth terms make no sense to me
1200 root 1.149 size.x = int_bwidth;
1201     size.y = int_bwidth;
1202     size.width = Width2Pixel (ncol) + int_bwidth;
1203     size.height = Height2Pixel (nrow) + int_bwidth;
1204 root 1.94 }
1205    
1206     void
1207     rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1208     XRectangle &status_rect,
1209     const XRectangle &needed_rect)
1210     {
1211     preedit_rect.x = needed_rect.width;
1212     preedit_rect.y = 0;
1213 root 1.149 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1214     preedit_rect.height = fheight;
1215 root 1.94
1216     status_rect.x = 0;
1217     status_rect.y = 0;
1218 root 1.149 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1219     status_rect.height = fheight;
1220 pcg 1.1 }
1221    
1222     /* Checking whether input method is running. */
1223 pcg 1.22 bool
1224 sf-exg 1.358 rxvt_term::im_is_running ()
1225 pcg 1.1 {
1226 root 1.94 Atom atom;
1227     Window win;
1228     char server[IMBUFSIZ];
1229 pcg 1.26
1230     /* get current locale modifier */
1231 root 1.316 if (char *p = XSetLocaleModifiers (0))
1232 pcg 1.26 {
1233 root 1.94 strcpy (server, "@server=");
1234 root 1.316 strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
1235 root 1.94
1236 root 1.316 if (p = strchr (server + 1, '@')) /* first one only */
1237 pcg 1.26 *p = '\0';
1238    
1239 root 1.218 atom = XInternAtom (dpy, server, False);
1240     win = XGetSelectionOwner (dpy, atom);
1241 root 1.94
1242 pcg 1.26 if (win != None)
1243 sf-exg 1.351 return true;
1244 pcg 1.1 }
1245 root 1.94
1246 sf-exg 1.351 return false;
1247 pcg 1.1 }
1248    
1249     void
1250 sf-exg 1.358 rxvt_term::im_send_spot ()
1251 pcg 1.1 {
1252 root 1.114 XPoint nspot;
1253 root 1.94 XVaNestedList preedit_attr;
1254 pcg 1.1
1255 root 1.94 if (!Input_Context
1256 root 1.149 || !focus
1257 root 1.202 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1258 root 1.114 return;
1259    
1260     im_set_position (nspot);
1261    
1262     if (nspot.x == spot.x && nspot.y == spot.y)
1263 pcg 1.26 return;
1264 pcg 1.1
1265 root 1.114 spot = nspot;
1266 pcg 1.1
1267 pcg 1.32 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1268     XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1269     XFree (preedit_attr);
1270 pcg 1.1 }
1271    
1272     void
1273 pcg 1.29 rxvt_term::im_destroy ()
1274     {
1275 root 1.114 if (input_method)
1276 pcg 1.29 {
1277 root 1.114 if (Input_Context && input_method->xim)
1278     XDestroyIC (Input_Context);
1279 pcg 1.29
1280     display->put_xim (input_method);
1281     input_method = 0;
1282     }
1283 root 1.114
1284     Input_Context = 0;
1285 pcg 1.1 }
1286    
1287 root 1.200 #ifdef ENABLE_XIM_ONTHESPOT
1288    
1289     static void
1290     xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1291     {
1292     ((rxvt_term *)client_data)->make_current ();
1293     HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1294     }
1295    
1296     static void
1297     xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1298     {
1299     ((rxvt_term *)client_data)->make_current ();
1300     HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1301     }
1302    
1303     static void
1304     xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1305     {
1306     rxvt_term *term = (rxvt_term *)client_data;
1307     XIMText *text = call_data->text;
1308    
1309     term->make_current ();
1310    
1311     if (text)
1312     {
1313 sf-exg 1.320 wchar_t *str;
1314 root 1.200
1315     if (!text->encoding_is_wchar && text->string.multi_byte)
1316     {
1317     // of course, X makes it ugly again
1318     if (term->rs[Rs_imLocale])
1319     SET_LOCALE (term->rs[Rs_imLocale]);
1320    
1321 sf-exg 1.320 str = rxvt_temp_buf<wchar_t> (text->length + 1);
1322     mbstowcs (str, text->string.multi_byte, text->length + 1);
1323 root 1.200
1324     if (term->rs[Rs_imLocale])
1325     SET_LOCALE (term->locale);
1326     }
1327     else
1328 sf-exg 1.320 str = text->string.wide_char;
1329 ayin 1.255
1330 root 1.200 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_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1335     DT_WCS_LEN, str, str ? (int)text->length : 0,
1336     DT_END));
1337     }
1338     else
1339     HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1340     DT_INT, call_data->caret,
1341     DT_INT, call_data->chg_first,
1342     DT_INT, call_data->chg_length,
1343     DT_END));
1344     }
1345    
1346 root 1.201 #if 0
1347 root 1.200 static void
1348     xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1349     {
1350     ((rxvt_term *)client_data)->make_current ();
1351     HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1352     DT_INT, call_data->position,
1353     DT_INT, call_data->direction,
1354     DT_INT, call_data->style,
1355     DT_END));
1356     }
1357 root 1.201 #endif
1358 root 1.200
1359     #endif
1360    
1361 pcg 1.1 /*
1362     * Try to open a XIM with the current modifiers, then see if we can
1363     * open a suitable preedit type
1364     */
1365 pcg 1.22 bool
1366 sf-exg 1.358 rxvt_term::im_get_ic (const char *modifiers)
1367 pcg 1.1 {
1368 root 1.94 int i, j, found;
1369     XIM xim;
1370     XPoint spot;
1371     XRectangle rect, status_rect, needed_rect;
1372     unsigned long fg, bg;
1373     const char *p;
1374     char **s;
1375     XIMStyles *xim_styles;
1376 pcg 1.29
1377 sf-exg 1.391 set_environ (env);
1378 root 1.171
1379 root 1.389 if (!((p = XSetLocaleModifiers (modifiers)) && *p))
1380 pcg 1.29 return false;
1381 pcg 1.26
1382 pcg 1.29 input_method = display->get_xim (locale, modifiers);
1383     if (input_method == NULL)
1384     return false;
1385    
1386     xim = input_method->xim;
1387 root 1.114 spot.x = spot.y = -1;
1388 pcg 1.26
1389     xim_styles = NULL;
1390     if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1391     || !xim_styles || !xim_styles->count_styles)
1392     {
1393 root 1.94 im_destroy ();
1394 pcg 1.29 return false;
1395 pcg 1.26 }
1396    
1397 root 1.116 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1398 root 1.94
1399 root 1.116 for (int pi = 0; pi < 2; pi++)
1400 pcg 1.26 {
1401 root 1.116 p = pet[pi];
1402    
1403     if (!p)
1404     continue;
1405    
1406 sf-exg 1.347 s = rxvt_strsplit (',', p);
1407 root 1.116
1408     for (i = found = 0; !found && s[i]; i++)
1409     {
1410     if (!strcmp (s[i], "OverTheSpot"))
1411 root 1.200 input_style = XIMPreeditPosition | XIMStatusNothing;
1412 root 1.116 else if (!strcmp (s[i], "OffTheSpot"))
1413 root 1.200 input_style = XIMPreeditArea | XIMStatusArea;
1414 root 1.116 else if (!strcmp (s[i], "Root"))
1415 root 1.200 input_style = XIMPreeditNothing | XIMStatusNothing;
1416 root 1.116 else if (!strcmp (s[i], "None"))
1417 root 1.200 input_style = XIMPreeditNone | XIMStatusNone;
1418     #ifdef ENABLE_XIM_ONTHESPOT
1419     else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1420     input_style = XIMPreeditCallbacks | XIMStatusNothing;
1421     #endif
1422     else
1423     input_style = XIMPreeditNothing | XIMStatusNothing;
1424 root 1.116
1425     for (j = 0; j < xim_styles->count_styles; j++)
1426     if (input_style == xim_styles->supported_styles[j])
1427     {
1428 sf-exg 1.347 rxvt_free_strsplit (s);
1429 root 1.116
1430     found = 1;
1431     goto foundpet;
1432     }
1433    
1434     }
1435    
1436 sf-exg 1.347 rxvt_free_strsplit (s);
1437 pcg 1.26 }
1438 pcg 1.29
1439 root 1.116 foundpet:
1440 pcg 1.29
1441     XFree (xim_styles);
1442 pcg 1.26
1443     if (!found)
1444     {
1445 root 1.94 im_destroy ();
1446 pcg 1.29 return false;
1447 pcg 1.26 }
1448    
1449 root 1.94 XFontSet fs = 0;
1450     XVaNestedList preedit_attr = 0, status_attr = 0;
1451    
1452     if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1453     {
1454     // fake us a font-set, please
1455     char **missing_charset_list;
1456     int missing_charset_count;
1457     char *def_string;
1458     char pat[512];
1459    
1460     sprintf (pat,
1461     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1462     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1463     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1464     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1465     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1466     "*",
1467 root 1.149 fheight,
1468     fheight + 1, fheight - 1,
1469     fheight - 2, fheight + 2);
1470 root 1.94
1471 root 1.218 fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1472 root 1.94 &missing_charset_list, &missing_charset_count, &def_string);
1473    
1474     if (missing_charset_list)
1475     XFreeStringList (missing_charset_list);
1476    
1477     if (!fs)
1478     {
1479     input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1480     rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1481     }
1482     }
1483 pcg 1.26
1484     if (input_style & XIMPreeditPosition)
1485     {
1486 root 1.94 im_set_size (rect);
1487     im_set_position (spot);
1488     im_set_color (fg, bg);
1489    
1490     preedit_attr = XVaCreateNestedList (0,
1491     XNForeground, fg,
1492     XNBackground, bg,
1493     XNArea, &rect,
1494     XNSpotLocation, &spot,
1495     XNFontSet, fs,
1496     NULL);
1497 pcg 1.1 }
1498 pcg 1.26 else if (input_style & XIMPreeditArea)
1499     {
1500 root 1.94 im_set_color (fg, bg);
1501 pcg 1.26
1502     /*
1503     * The necessary width of preedit area is unknown
1504     * until create input context.
1505     */
1506     needed_rect.width = 0;
1507 root 1.94 im_set_preedit_area (rect, status_rect, needed_rect);
1508 pcg 1.26
1509 root 1.94 preedit_attr = XVaCreateNestedList (0,
1510     XNForeground, fg,
1511     XNBackground, bg,
1512     XNArea, &rect,
1513     XNFontSet, fs,
1514     NULL);
1515     status_attr = XVaCreateNestedList (0,
1516     XNForeground, fg,
1517     XNBackground, bg,
1518     XNArea, &status_rect,
1519     XNFontSet, fs,
1520 pcg 1.26 NULL);
1521     }
1522 root 1.205 #if ENABLE_XIM_ONTHESPOT
1523 root 1.200 else if (input_style & XIMPreeditCallbacks)
1524     {
1525 sf-exg 1.357 XIMCallback xcb[4];
1526    
1527 root 1.202 im_set_position (spot);
1528    
1529 root 1.200 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1530     xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1531     xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1532 root 1.205 # if 0
1533 root 1.200 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1534 root 1.205 # endif
1535 root 1.200
1536     preedit_attr = XVaCreateNestedList (0,
1537 root 1.202 XNSpotLocation, &spot,
1538 root 1.200 XNPreeditStartCallback, &xcb[0],
1539     XNPreeditDoneCallback , &xcb[1],
1540     XNPreeditDrawCallback , &xcb[2],
1541 root 1.205 # if 0
1542 root 1.200 XNPreeditCaretCallback, &xcb[3],
1543 root 1.205 # endif
1544 root 1.200 NULL);
1545     }
1546 root 1.205 #endif
1547 pcg 1.29
1548 root 1.94 Input_Context = XCreateIC (xim,
1549     XNInputStyle, input_style,
1550 root 1.149 XNClientWindow, vt,
1551 sf-exg 1.355 XNFocusWindow, parent,
1552 root 1.94 preedit_attr ? XNPreeditAttributes : NULL,
1553     preedit_attr,
1554     status_attr ? XNStatusAttributes : NULL,
1555     status_attr, NULL);
1556    
1557 pcg 1.32 if (preedit_attr) XFree (preedit_attr);
1558 root 1.220 if (status_attr) XFree (status_attr);
1559     if (fs) XFreeFontSet (dpy, fs);
1560 pcg 1.29
1561 pcg 1.26 if (Input_Context == NULL)
1562     {
1563 pcg 1.60 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1564 root 1.94 im_destroy ();
1565 pcg 1.29 return false;
1566 pcg 1.26 }
1567 pcg 1.29
1568 root 1.200 #if 0
1569     // unfortunately, only the focus window is used by XIM, hard to fix
1570 root 1.198 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1571     vt_select_input ();
1572 root 1.200 #endif
1573 root 1.198
1574 sf-exg 1.358 im_set_position ();
1575 pcg 1.29
1576     return true;
1577 pcg 1.16 }
1578    
1579     void
1580 pcg 1.29 rxvt_term::im_cb ()
1581 pcg 1.16 {
1582 root 1.147 int i;
1583 pcg 1.16 const char *p;
1584     char **s;
1585     char buf[IMBUFSIZ];
1586    
1587 root 1.177 make_current ();
1588 root 1.135
1589 pcg 1.29 im_destroy ();
1590    
1591     if (Input_Context)
1592 pcg 1.16 return;
1593    
1594 pcg 1.29 if (rs[Rs_imLocale])
1595 pcg 1.38 SET_LOCALE (rs[Rs_imLocale]);
1596 pcg 1.16
1597 pcg 1.29 p = rs[Rs_inputMethod];
1598 pcg 1.16 if (p && *p)
1599     {
1600     bool found = false;
1601    
1602 sf-exg 1.347 s = rxvt_strsplit (',', p);
1603 root 1.116
1604 pcg 1.16 for (i = 0; s[i]; i++)
1605     {
1606     if (*s[i])
1607     {
1608 root 1.94 strcpy (buf, "@im=");
1609     strncat (buf, s[i], IMBUFSIZ - 5);
1610 sf-exg 1.358 if (im_get_ic (buf))
1611 pcg 1.16 {
1612     found = true;
1613     break;
1614     }
1615     }
1616     }
1617 root 1.116
1618 sf-exg 1.347 rxvt_free_strsplit (s);
1619 pcg 1.16
1620     if (found)
1621     goto done;
1622     }
1623    
1624 pcg 1.26 /* try with XMODIFIERS env. var. */
1625 sf-exg 1.358 if (im_get_ic (""))
1626 pcg 1.16 goto done;
1627    
1628 pcg 1.26 /* try with no modifiers base IF the user didn't specify an IM */
1629 sf-exg 1.358 if (im_get_ic ("@im=none"))
1630 pcg 1.16 goto done;
1631    
1632 sf-exg 1.371 done:
1633 pcg 1.29 if (rs[Rs_imLocale])
1634 pcg 1.38 SET_LOCALE (locale);
1635 pcg 1.1 }
1636    
1637     void
1638 sf-exg 1.358 rxvt_term::im_set_position ()
1639 pcg 1.1 {
1640 root 1.94 XRectangle preedit_rect, status_rect, *needed_rect;
1641     XVaNestedList preedit_attr, status_attr;
1642 pcg 1.1
1643 root 1.94 if (!Input_Context
1644 root 1.149 || !focus
1645 root 1.220 || !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1646 sf-exg 1.358 || !im_is_running ())
1647 pcg 1.26 return;
1648 pcg 1.1
1649 root 1.222 if (input_style & XIMPreeditPosition)
1650 root 1.221 {
1651     im_set_size (preedit_rect);
1652     preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1653 ayin 1.255
1654 root 1.221 XSetICValues (Input_Context,
1655     XNPreeditAttributes, preedit_attr, NULL);
1656     }
1657     else
1658     {
1659     /* Getting the necessary width of preedit area */
1660     status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1661     XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1662     XFree (status_attr);
1663 pcg 1.1
1664 root 1.221 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1665     XFree (needed_rect);
1666    
1667     preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1668     status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1669    
1670     XSetICValues (Input_Context,
1671     XNPreeditAttributes, preedit_attr,
1672     XNStatusAttributes, status_attr,
1673     NULL);
1674    
1675     XFree (status_attr);
1676     }
1677    
1678     XFree (preedit_attr);
1679 pcg 1.1 }
1680 ayin 1.258 #endif /* USE_XIM */
1681 pcg 1.1
1682 sasha 1.249 void
1683     rxvt_term::get_window_origin (int &x, int &y)
1684     {
1685     Window cr;
1686 sf-exg 1.355 XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
1687 sasha 1.249 }
1688    
1689     #ifdef HAVE_BG_PIXMAP
1690 root 1.267
1691 root 1.291 void
1692 sasha 1.249 rxvt_term::update_background ()
1693     {
1694 root 1.294 if (update_background_ev.is_active ())
1695     return;
1696    
1697 sf-exg 1.349 ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
1698 root 1.294
1699 sasha 1.297 if (to_wait <= 0.)
1700 sf-exg 1.349 bg_render ();
1701 sasha 1.249 else
1702 sasha 1.296 update_background_ev.start (to_wait);
1703 sasha 1.249 }
1704    
1705     void
1706 root 1.256 rxvt_term::update_background_cb (ev::timer &w, int revents)
1707 sasha 1.249 {
1708 root 1.284 make_current ();
1709 root 1.294
1710     update_background_ev.stop ();
1711 sf-exg 1.349 bg_render ();
1712 root 1.284 refresh_check ();
1713 sasha 1.249 }
1714    
1715     #endif /* HAVE_BG_PIXMAP */
1716    
1717 pcg 1.1 /*----------------------- end-of-file (C source) -----------------------*/