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/cvs/rxvt-unicode/src/main.C
Revision: 1.404
Committed: Thu Jun 17 14:31:39 2021 UTC (2 years, 11 months ago) by root
Content type: text/plain
Branch: MAIN
CVS Tags: rxvt-unicode-rel-9_29, rxvt-unicode-rel-9_30, HEAD
Changes since 1.403: +2 -0 lines
Log Message:
annoying

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 sf-exg 1.402 rxvt_set_locale (const char *locale) noexcept
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 sf-exg 1.402 rxvt_push_locale (const char *locale) noexcept
81 root 1.156 {
82     strcpy (savelocale, curlocale);
83     rxvt_set_locale (locale);
84     }
85    
86     void
87 sf-exg 1.402 rxvt_pop_locale () noexcept
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 root 1.403 template<typename T>
130     int rxvt_composite_vec::expand (unicode_t c, T *r)
131 pcg 1.51 {
132     compose_char *cc = (*this)[c];
133    
134     if (!cc)
135     {
136     if (r) *r = c;
137     return 1;
138     }
139    
140     int len = expand (cc->c1, r);
141    
142     if (r) r += len;
143    
144     if (cc->c2 != NOCHAR)
145     {
146     len++;
147     if (r) *r++ = cc->c2;
148     }
149    
150     return len;
151 root 1.403 }
152 pcg 1.51
153 root 1.403 template int rxvt_composite_vec::expand<text_t> (unicode_t c, text_t *);
154     template int rxvt_composite_vec::expand<wchar_t> (unicode_t c, wchar_t *);
155 pcg 1.53 #endif
156 pcg 1.51
157 pcg 1.4 rxvt_term::rxvt_term ()
158 root 1.270 {
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 1.401 #if 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 sf-exg 1.385 #if HAVE_IMG
229     delete bg_img;
230     #endif
231    
232 pcg 1.34 if (display)
233 pcg 1.44 {
234 pcg 1.60 selection_clear ();
235 sf-exg 1.319 selection_clear (true);
236 pcg 1.60
237 root 1.376 #if USE_XIM
238 root 1.77 im_destroy ();
239     #endif
240 ayin 1.308 scrollBar.destroy ();
241 root 1.388
242     if (gc)
243     XFreeGC (dpy, gc);
244 pcg 1.60
245 root 1.149 delete drawable;
246 root 1.388
247 pcg 1.45 // destroy all windows
248 sf-exg 1.355 if (parent)
249     XDestroyWindow (dpy, parent);
250 root 1.206
251 root 1.216 for (int i = 0; i < TOTAL_COLORS; i++)
252     if (ISSET_PIXCOLOR (i))
253     {
254     pix_colors_focused [i].free (this);
255     #if OFF_FOCUS_FADING
256 root 1.395 if (rs[Rs_fade])
257     pix_colors_unfocused [i].free (this);
258 root 1.216 #endif
259     }
260    
261 root 1.206 clear ();
262 root 1.300
263     display->flush (); /* ideally .put should do this */
264     displays.put (display);
265 pcg 1.44 }
266 pcg 1.34
267     scr_release ();
268    
269 pcg 1.60 /* clear all resources */
270     for (int i = 0; i < allocated.size (); i++)
271 root 1.134 free (allocated [i]);
272 pcg 1.60
273     free (selection.text);
274 sf-exg 1.319 free (selection.clip_text);
275 pcg 1.34 free (locale);
276 root 1.120 free (v_buffer);
277 pcg 1.34
278 sf-exg 1.353 delete selection_req;
279    
280 sf-exg 1.392 if (env && memcmp (env, envv->begin (), envv->size () * sizeof (char *)))
281 sf-exg 1.391 rxvt_warn ("env has been modified, probably as a result of a lib calling setenv.\n");
282    
283 sf-exg 1.398 delete [] env;
284 sf-exg 1.391
285 pcg 1.33 delete envv;
286     delete argv;
287 root 1.128
288     #ifdef KEYSYM_RESOURCE
289 root 1.134 delete keyboard;
290 root 1.128 #endif
291 ayin 1.263 #ifndef NO_RESOURCES
292     XrmDestroyDatabase (option_db);
293     #endif
294 root 1.393
295     SET_R ((rxvt_term *)0);
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 1.401 #if 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 sf-exg 1.402 rxvt_term::set_option (uint8_t opt, bool set) noexcept
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 root 1.393 char buffer[BUFSIZ];
394     char mesg[BUFSIZ];
395     char number[32];
396 root 1.380
397 root 1.393 rxvt_warn ("An X Error occurred, trying to continue after report.\n");
398 root 1.380
399 root 1.393 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 root 1.393 XGetErrorText (dpy, event->error_code, buffer, BUFSIZ);
403     XGetErrorDatabaseText (dpy, "XlibMessage", "XError", "X Error", mesg, BUFSIZ);
404     rxvt_warn ("+ %s: %s\n", mesg, buffer);
405 root 1.380
406 root 1.393 XGetErrorDatabaseText (dpy, "XlibMessage", "MajorCode", "Request Major code %d", mesg, BUFSIZ);
407     snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->request_code);
408 root 1.380
409 root 1.393 if (event->request_code >= 128)
410     {
411 root 1.381 #if 0
412 root 1.393 /* XListExtensions and probably query extensions hangs when there are multiple queues errors */
413     int nexts;
414     char **exts = XListExtensions (dpy, &nexts);
415 root 1.381
416 root 1.393 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 root 1.381
426 root 1.393 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 root 1.381
430 root 1.393 break;
431     }
432 root 1.381
433 root 1.393 printf ("nextss %d %s\n", nexts, extname);//D
434     --nexts;
435     ++exts;
436     }
437 root 1.381 #else
438 root 1.393 int nexts = 0;
439     char **exts = 0;
440 root 1.381 #endif
441 root 1.378
442 root 1.393 if (!nexts)
443     {
444     rxvt_warn ("+ (which is an unknown extension)\n", buffer);
445 root 1.381
446 root 1.393 XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
447     snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->minor_code);
448 root 1.381
449 root 1.382 #if 0
450 root 1.393 sprintf (number, "RENDER.%d", event->minor_code);
451     XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
452     rxvt_warn ("+ (which is %s)\n", buffer);
453 root 1.382 #endif
454 root 1.393 }
455 root 1.381
456 root 1.393 XFreeExtensionList (exts);
457     }
458     else
459     {
460     sprintf (number, "%d", event->request_code);
461     XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
462     rxvt_warn ("+ (which is %s)\n", buffer);
463     }
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     if (event->error_code == BadValue)
477     XGetErrorDatabaseText (dpy, "XlibMessage", "Value", "Value 0x%x", mesg, BUFSIZ);
478     else if (event->error_code == BadAtom)
479     XGetErrorDatabaseText (dpy, "XlibMessage", "AtomID", "AtomID 0x%x", mesg, BUFSIZ);
480     else
481     XGetErrorDatabaseText (dpy, "XlibMessage", "ResourceID", "ResourceID 0x%x", mesg, BUFSIZ);
482 root 1.378
483 root 1.393 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 root 1.393 if (GET_R && GET_R->allowedxerror == -1)
492 root 1.134 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 1.404 #if !GLIB_CHECK_VERSION(2,36,0)
640 root 1.374 g_type_init ();
641 root 1.404 #endif
642 root 1.374 #endif
643 pcg 1.60 }
644    
645 pcg 1.1 /*----------------------------------------------------------------------*/
646     /*
647 ayin 1.236 * window size/position calculations for XSizeHint and other storage.
648 pcg 1.1 * if width/height are non-zero then override calculated width/height
649     */
650     void
651 root 1.149 rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
652 pcg 1.1 {
653 root 1.134 short recalc_x, recalc_y;
654 ayin 1.306 int x, y, flags;
655 root 1.134 unsigned int w, h;
656     unsigned int max_width, max_height;
657 pcg 1.26
658     szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
659     szHint.win_gravity = NorthWestGravity;
660     /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
661    
662     recalc_x = recalc_y = 0;
663     flags = 0;
664 root 1.149
665 pcg 1.26 if (!parsed_geometry)
666     {
667     parsed_geometry = 1;
668 root 1.149
669 pcg 1.26 if (rs[Rs_geometry])
670 pcg 1.32 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
671 root 1.136
672 pcg 1.26 if (flags & WidthValue)
673     {
674 root 1.310 if (!w)
675     rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
676    
677     ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
678 pcg 1.26 szHint.flags |= USSize;
679 pcg 1.3 }
680 root 1.136
681 pcg 1.26 if (flags & HeightValue)
682     {
683 root 1.310 if (!h)
684     rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
685    
686     nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
687 pcg 1.26 szHint.flags |= USSize;
688 pcg 1.3 }
689 root 1.136
690 pcg 1.26 if (flags & XValue)
691     {
692     szHint.x = x;
693     szHint.flags |= USPosition;
694 root 1.149
695 pcg 1.26 if (flags & XNegative)
696     {
697     recalc_x = 1;
698     szHint.win_gravity = NorthEastGravity;
699 pcg 1.3 }
700     }
701 root 1.136
702 pcg 1.26 if (flags & YValue)
703     {
704     szHint.y = y;
705     szHint.flags |= USPosition;
706 root 1.149
707 pcg 1.26 if (flags & YNegative)
708     {
709     recalc_y = 1;
710 root 1.149
711 pcg 1.26 if (szHint.win_gravity == NorthEastGravity)
712     szHint.win_gravity = SouthEastGravity;
713     else
714     szHint.win_gravity = SouthWestGravity;
715 pcg 1.3 }
716     }
717 pcg 1.1 }
718 pcg 1.53
719 pcg 1.26 /* TODO: BOUNDS */
720 root 1.149 width = ncol * fwidth;
721     height = nrow * fheight;
722     max_width = MAX_COLS * fwidth;
723     max_height = MAX_ROWS * fheight;
724 pcg 1.26
725 root 1.149 szHint.base_width = szHint.base_height = 2 * int_bwidth;
726 pcg 1.26
727 root 1.149 window_vt_x = window_vt_y = int_bwidth;
728 pcg 1.67
729 root 1.180 if (scrollBar.state)
730 pcg 1.26 {
731 ayin 1.306 int sb_w = scrollBar.total_width ();
732 pcg 1.26 szHint.base_width += sb_w;
733 root 1.213
734 root 1.232 if (!option (Opt_scrollBar_right))
735 root 1.70 window_vt_x += sb_w;
736 pcg 1.26 }
737 pcg 1.67
738 root 1.219 szHint.width_inc = fwidth;
739 root 1.149 szHint.height_inc = fheight;
740 root 1.219 szHint.min_width = szHint.base_width + szHint.width_inc;
741 pcg 1.26 szHint.min_height = szHint.base_height + szHint.height_inc;
742    
743 root 1.149 if (newwidth && newwidth - szHint.base_width < max_width)
744 pcg 1.26 {
745 root 1.149 szHint.width = newwidth;
746     width = newwidth - szHint.base_width;
747 pcg 1.26 }
748     else
749     {
750 root 1.150 min_it (width, max_width);
751 root 1.149 szHint.width = szHint.base_width + width;
752 pcg 1.26 }
753 pcg 1.67
754 root 1.149 if (newheight && newheight - szHint.base_height < max_height)
755 pcg 1.26 {
756 root 1.149 szHint.height = newheight;
757     height = newheight - szHint.base_height;
758 pcg 1.26 }
759     else
760     {
761 root 1.150 min_it (height, max_height);
762 root 1.149 szHint.height = szHint.base_height + height;
763 pcg 1.26 }
764 pcg 1.67
765 pcg 1.26 if (recalc_x)
766 root 1.218 szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
767 root 1.206
768 pcg 1.26 if (recalc_y)
769 root 1.218 szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
770 pcg 1.26
771 root 1.312 ncol = width / fwidth;
772 root 1.149 nrow = height / fheight;
773 sf-exg 1.360
774     // When the size of the vt window is not a multiple of the cell
775     // size, i.e., when the wm does not honour our size hints, there are
776     // extra areas not covered by the terminal screen. Such gaps, when a
777     // bg pixmap is set, would have to be cleared manually to properly
778     // refresh the background. We take the simpler route and shrink the
779     // vt window so as to avoid creating gaps.
780 sf-exg 1.366 vt_width = ncol * fwidth;
781     vt_height = nrow * fheight;
782 pcg 1.1 }
783    
784     /*----------------------------------------------------------------------*/
785     /*
786     * Tell the teletype handler what size the window is.
787     * Called after a window size change.
788     */
789     void
790 pcg 1.9 rxvt_term::tt_winch ()
791 pcg 1.1 {
792 root 1.184 if (pty->pty < 0)
793 root 1.94 return;
794    
795 pcg 1.20 struct winsize ws;
796 pcg 1.9
797 root 1.149 ws.ws_col = ncol;
798     ws.ws_row = nrow;
799 sf-exg 1.366 ws.ws_xpixel = vt_width;
800     ws.ws_ypixel = vt_height;
801 root 1.317 ioctl (pty->pty, TIOCSWINSZ, &ws);
802 root 1.94
803     #if 0
804 ayin 1.274 // TIOCSWINSZ is supposed to do this automatically and correctly
805 root 1.94 if (cmd_pid) /* force through to the command */
806 root 1.140 kill (-cmd_pid, SIGWINCH);
807 pcg 1.1 #endif
808     }
809    
810     /*----------------------------------------------------------------------*/
811 sf-exg 1.356 /* load and set the various fonts */
812 pcg 1.41 bool
813 root 1.108 rxvt_term::set_fonts ()
814 pcg 1.41 {
815 root 1.108 rxvt_fontset *fs = new rxvt_fontset (this);
816     rxvt_fontprop prop;
817    
818     if (!fs
819 root 1.114 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
820 root 1.108 || !fs->realize_font (1))
821 pcg 1.41 {
822 root 1.108 delete fs;
823     return false;
824 pcg 1.41 }
825 root 1.108
826     #if ENABLE_STYLES
827     for (int i = RS_styleCount; --i; )
828 root 1.149 if (fontset[i] != fontset[0])
829     delete fontset[i];
830 root 1.108 #endif
831    
832 root 1.149 delete fontset[0];
833     fontset[0] = fs;
834 root 1.108
835 root 1.325 prop = (*fs)[rxvt_fontset::firstFont]->properties ();
836 sf-exg 1.383 prop.width = max (prop.width + letterSpace, 1);
837 root 1.230
838     fs->set_prop (prop, false);
839 root 1.108
840 root 1.149 fwidth = prop.width;
841 sf-exg 1.372 fheight = prop.height + lineSpace;
842 root 1.158 fbase = prop.ascent;
843 root 1.108
844     for (int style = 1; style < 4; style++)
845 pcg 1.41 {
846 root 1.108 #if ENABLE_STYLES
847     const char *res = rs[Rs_font + style];
848 pcg 1.41
849 root 1.108 if (res && !*res)
850 root 1.149 fontset[style] = fontset[0];
851 root 1.108 else
852 pcg 1.41 {
853 root 1.149 fontset[style] = fs = new rxvt_fontset (this);
854 root 1.108 rxvt_fontprop prop2 = prop;
855 pcg 1.41
856 root 1.108 if (res)
857 root 1.231 {
858     fs->populate (res);
859     fs->set_prop (prop2, false);
860     }
861 root 1.108 else
862 pcg 1.42 {
863 root 1.231 fs->populate (fontset[0]->fontdesc);
864 pcg 1.42
865 root 1.108 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
866     if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
867 root 1.231
868     fs->set_prop (prop2, true);
869 root 1.108 }
870 root 1.76
871 pcg 1.41 }
872 root 1.108 #else
873 root 1.149 fontset[style] = fontset[0];
874 root 1.108 #endif
875 pcg 1.41 }
876    
877 sf-exg 1.355 if (parent)
878 root 1.108 {
879     resize_all_windows (0, 0, 0);
880     scr_remap_chars ();
881     scr_touch (true);
882 ayin 1.255 }
883 pcg 1.1
884 root 1.108 return true;
885 pcg 1.41 }
886 pcg 1.1
887 ayin 1.253 void
888     rxvt_term::set_string_property (Atom prop, const char *str, int len)
889 root 1.118 {
890 sf-exg 1.355 XChangeProperty (dpy, parent,
891 root 1.118 prop, XA_STRING, 8, PropModeReplace,
892     (const unsigned char *)str, len >= 0 ? len : strlen (str));
893     }
894    
895 ayin 1.253 void
896 sf-exg 1.328 rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
897     {
898     XTextProperty ct;
899    
900     if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
901     {
902 sf-exg 1.355 XSetTextProperty (dpy, parent, &ct, prop);
903 sf-exg 1.328 XFree (ct.value);
904     }
905     }
906    
907     void
908 ayin 1.253 rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
909 root 1.118 {
910     wchar_t *ws = rxvt_mbstowcs (str, len);
911     char *s = rxvt_wcstoutf8 (ws);
912    
913 sf-exg 1.355 XChangeProperty (dpy, parent,
914 root 1.118 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
915     (const unsigned char *)s, strlen (s));
916    
917     free (s);
918     free (ws);
919     }
920    
921 pcg 1.1 /*----------------------------------------------------------------------*/
922     /*----------------------------------------------------------------------*/
923     /* xterm sequences - title, iconName, color (exptl) */
924     void
925 pcg 1.22 rxvt_term::set_title (const char *str)
926 pcg 1.1 {
927 sf-exg 1.328 set_mbstring_property (XA_WM_NAME, str);
928 root 1.144 #if ENABLE_EWMH
929 root 1.121 set_utf8_property (xa[XA_NET_WM_NAME], str);
930 pcg 1.1 #endif
931     }
932    
933     void
934 pcg 1.60 rxvt_term::set_icon_name (const char *str)
935 pcg 1.1 {
936 sf-exg 1.328 set_mbstring_property (XA_WM_ICON_NAME, str);
937 root 1.144 #if ENABLE_EWMH
938 root 1.121 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
939 pcg 1.1 #endif
940     }
941    
942     void
943 pcg 1.22 rxvt_term::set_window_color (int idx, const char *color)
944 pcg 1.1 {
945 ayin 1.252 #ifdef XTERM_COLOR_CHANGE
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 root 1.397 alias_color (idx, 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 1.397 alias_color (idx, minCOLOR + i);
969 root 1.145 goto done;
970 pcg 1.3 }
971 pcg 1.1 }
972 pcg 1.65
973 root 1.397 pix_colors_focused[idx].free (this);
974     set_color (pix_colors_focused[idx], color);
975 pcg 1.1
976 root 1.145 done:
977 root 1.108 /*TODO: handle Color_BD, scrollbar background, etc. */
978 pcg 1.26
979 root 1.225 update_fade_color (idx);
980 root 1.397 recolor_cursor ();
981     scr_recolor ();
982 ayin 1.258 #endif /* XTERM_COLOR_CHANGE */
983 pcg 1.1 }
984    
985     void
986 root 1.397 rxvt_term::recolor_cursor ()
987 pcg 1.1 {
988 root 1.215 XColor fg, bg;
989 pcg 1.1
990 root 1.215 (ISSET_PIXCOLOR (Color_pointer_fg)
991     ? pix_colors_focused[Color_pointer_fg]
992     : pix_colors_focused[Color_fg]).get (fg);
993 root 1.108
994 root 1.215 (ISSET_PIXCOLOR (Color_pointer_bg)
995     ? pix_colors_focused[Color_pointer_bg]
996     : pix_colors_focused[Color_bg]).get (bg);
997    
998 root 1.218 XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
999 pcg 1.1 }
1000    
1001     /*----------------------------------------------------------------------*/
1002     /*
1003     * find if fg/bg matches any of the normal (low-intensity) colors
1004     */
1005 sf-exg 1.365 char *
1006     rxvt_term::get_colorfgbg ()
1007 pcg 1.1 {
1008 root 1.108 unsigned int i;
1009 root 1.268 const char *xpmb = "";
1010 sf-exg 1.346 char fstr[] = "default";
1011     char bstr[] = "default";
1012 sf-exg 1.365 char *env_colorfgbg;
1013 pcg 1.26
1014     for (i = Color_Black; i <= Color_White; i++)
1015 root 1.94 if (pix_colors[Color_fg] == pix_colors[i])
1016 pcg 1.26 {
1017 root 1.345 sprintf (fstr, "%d", i - Color_Black);
1018 pcg 1.26 break;
1019     }
1020 root 1.108
1021 pcg 1.26 for (i = Color_Black; i <= Color_White; i++)
1022 root 1.94 if (pix_colors[Color_bg] == pix_colors[i])
1023 pcg 1.26 {
1024 root 1.345 sprintf (bstr, "%d", i - Color_Black);
1025 sf-exg 1.401 #if HAVE_IMG
1026 pcg 1.26 xpmb = "default;";
1027 pcg 1.1 #endif
1028 pcg 1.26 break;
1029     }
1030 pcg 1.33
1031 sf-exg 1.365 env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg"));
1032 pcg 1.32 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
1033 sf-exg 1.365 return env_colorfgbg;
1034 pcg 1.1 }
1035    
1036     /*----------------------------------------------------------------------*/
1037    
1038 root 1.208 bool
1039     rxvt_term::set_color (rxvt_color &color, const char *name)
1040 pcg 1.1 {
1041 root 1.208 if (color.set (this, name))
1042     return true;
1043 pcg 1.1
1044 root 1.208 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
1045     return false;
1046 pcg 1.1 }
1047    
1048 root 1.216 void
1049     rxvt_term::alias_color (int dst, int src)
1050     {
1051 root 1.396 pix_colors[dst].free (this);
1052 root 1.216 pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
1053     }
1054    
1055 sf-exg 1.400 #ifdef SMART_RESIZE
1056     static unsigned int
1057     get_parent_bw (Display *dpy, Window w)
1058     {
1059     int idummy;
1060     unsigned int udummy;
1061     Window wdummy, parent;
1062     Window *children;
1063     unsigned int nchildren, border_width;
1064    
1065     XQueryTree (dpy, w, &wdummy, &parent, &children, &nchildren);
1066     XFree (children);
1067     XGetGeometry (dpy, parent, &wdummy, &idummy, &idummy,
1068     &udummy, &udummy, &border_width, &udummy);
1069    
1070     return border_width;
1071     }
1072     #endif
1073    
1074 pcg 1.1 /* -------------------------------------------------------------------- *
1075     * - WINDOW RESIZING - *
1076     * -------------------------------------------------------------------- */
1077     void
1078 root 1.149 rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1079 pcg 1.1 {
1080 pcg 1.17 int fix_screen;
1081 root 1.197 int old_width = szHint.width;
1082     int old_height = szHint.height;
1083 pcg 1.1
1084 root 1.149 window_calc (newwidth, newheight);
1085 root 1.219
1086 root 1.312 bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
1087    
1088 root 1.313 // to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
1089 root 1.312 if (set_hint)
1090     {
1091     szHint.flags &= ~(PBaseSize | PResizeInc);
1092 sf-exg 1.355 XSetWMNormalHints (dpy, parent, &szHint);
1093 root 1.312 szHint.flags |= PBaseSize | PResizeInc;
1094     }
1095 pcg 1.67
1096 pcg 1.17 if (!ignoreparent)
1097     {
1098 pcg 1.3 #ifdef SMART_RESIZE
1099 pcg 1.17 /*
1100     * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
1101     * reposition window on resize depending on placement on screen
1102     */
1103     int x, y, x1, y1;
1104     int dx, dy;
1105     unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1106     Window unused_cr;
1107    
1108 sf-exg 1.355 XTranslateCoordinates (dpy, parent, display->root,
1109 pcg 1.17 0, 0, &x, &y, &unused_cr);
1110 sf-exg 1.355 XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
1111 pcg 1.17 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
1112     /*
1113 pcg 1.27 * if display->root isn't the parent window, a WM will probably have offset
1114 pcg 1.17 * our position for handles and decorations. Counter it
1115     */
1116 pcg 1.26 if (x1 != x || y1 != y)
1117     {
1118 sf-exg 1.400 unsigned int border_width = get_parent_bw (dpy, parent);
1119    
1120     x -= x1 + border_width;
1121     y -= y1 + border_width;
1122 pcg 1.26 }
1123 pcg 1.17
1124 root 1.218 x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
1125     y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
1126 root 1.197 dx = old_width - szHint.width;
1127 pcg 1.17 dy = old_height - szHint.height;
1128    
1129 pcg 1.26 /* Check position of the center of the window */
1130 pcg 1.17 if (x < x1) /* left half */
1131 pcg 1.26 dx = 0;
1132 pcg 1.17 else if (x == x1) /* exact center */
1133 pcg 1.26 dx /= 2;
1134 pcg 1.17 if (y < y1) /* top half */
1135 pcg 1.26 dy = 0;
1136 pcg 1.17 else if (y == y1) /* exact center */
1137 pcg 1.26 dy /= 2;
1138 pcg 1.3
1139 sf-exg 1.355 XMoveResizeWindow (dpy, parent, x + dx, y + dy,
1140 pcg 1.17 szHint.width, szHint.height);
1141 pcg 1.1 #else
1142 sf-exg 1.355 XResizeWindow (dpy, parent, szHint.width, szHint.height);
1143 pcg 1.1 #endif
1144     }
1145    
1146 root 1.314 if (set_hint)
1147 sf-exg 1.355 XSetWMNormalHints (dpy, parent, &szHint);
1148 root 1.314
1149 root 1.149 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1150 pcg 1.17
1151 root 1.149 if (fix_screen || newwidth != old_width || newheight != old_height)
1152 pcg 1.17 {
1153 root 1.180 if (scrollBar.state)
1154 ayin 1.307 scrollBar.resize ();
1155 pcg 1.17
1156 root 1.218 XMoveResizeWindow (dpy, vt,
1157 pcg 1.67 window_vt_x, window_vt_y,
1158 sf-exg 1.366 vt_width, vt_height);
1159 root 1.132
1160 root 1.377 HOOK_INVOKE ((this, HOOK_SIZE_CHANGE, DT_INT, newwidth, DT_INT, newheight, DT_END));
1161 pcg 1.1 }
1162    
1163 pcg 1.17 if (fix_screen || old_height == 0)
1164 root 1.315 scr_reset ();
1165 pcg 1.1
1166 root 1.376 #if USE_XIM
1167 sf-exg 1.358 im_set_position ();
1168 pcg 1.1 #endif
1169     }
1170    
1171     /*
1172     * Set the width/height of the vt window in characters. Units are pixels.
1173     * good for toggling 80/132 columns
1174     */
1175     void
1176 root 1.149 rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1177 pcg 1.1 {
1178 pcg 1.26 XWindowAttributes wattr;
1179 pcg 1.1
1180 root 1.149 if (newwidth == 0 || newheight == 0)
1181 pcg 1.26 {
1182 root 1.218 XGetWindowAttributes (dpy, display->root, &wattr);
1183 root 1.142
1184 root 1.149 if (newwidth == 0)
1185     newwidth = wattr.width - szHint.base_width;
1186     if (newheight == 0)
1187     newheight = wattr.height - szHint.base_height;
1188 pcg 1.26 }
1189 root 1.80
1190 sf-exg 1.366 if (newwidth != vt_width || newheight != vt_height)
1191 pcg 1.26 {
1192 root 1.149 newwidth += szHint.base_width;
1193     newheight += szHint.base_height;
1194     resize_all_windows (newwidth, newheight, 0);
1195 pcg 1.1 }
1196     }
1197    
1198     /* -------------------------------------------------------------------- *
1199     * - X INPUT METHOD ROUTINES - *
1200     * -------------------------------------------------------------------- */
1201 root 1.376 #if USE_XIM
1202 pcg 1.29
1203 pcg 1.1 void
1204 root 1.94 rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1205 pcg 1.1 {
1206 root 1.216 fg = pix_colors [Color_fg];
1207     bg = pix_colors [Color_bg];
1208 pcg 1.1 }
1209    
1210     void
1211 root 1.94 rxvt_term::im_set_size (XRectangle &size)
1212 pcg 1.1 {
1213 root 1.94 // the int_bwidth terms make no sense to me
1214 root 1.149 size.x = int_bwidth;
1215     size.y = int_bwidth;
1216     size.width = Width2Pixel (ncol) + int_bwidth;
1217     size.height = Height2Pixel (nrow) + int_bwidth;
1218 root 1.94 }
1219    
1220     void
1221     rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1222     XRectangle &status_rect,
1223     const XRectangle &needed_rect)
1224     {
1225     preedit_rect.x = needed_rect.width;
1226     preedit_rect.y = 0;
1227 root 1.149 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1228     preedit_rect.height = fheight;
1229 root 1.94
1230     status_rect.x = 0;
1231     status_rect.y = 0;
1232 root 1.149 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1233     status_rect.height = fheight;
1234 pcg 1.1 }
1235    
1236     /* Checking whether input method is running. */
1237 pcg 1.22 bool
1238 sf-exg 1.358 rxvt_term::im_is_running ()
1239 pcg 1.1 {
1240 root 1.94 Atom atom;
1241     Window win;
1242     char server[IMBUFSIZ];
1243 pcg 1.26
1244     /* get current locale modifier */
1245 root 1.316 if (char *p = XSetLocaleModifiers (0))
1246 pcg 1.26 {
1247 root 1.94 strcpy (server, "@server=");
1248 root 1.316 strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
1249 root 1.94
1250 root 1.316 if (p = strchr (server + 1, '@')) /* first one only */
1251 pcg 1.26 *p = '\0';
1252    
1253 root 1.218 atom = XInternAtom (dpy, server, False);
1254     win = XGetSelectionOwner (dpy, atom);
1255 root 1.94
1256 pcg 1.26 if (win != None)
1257 sf-exg 1.351 return true;
1258 pcg 1.1 }
1259 root 1.94
1260 sf-exg 1.351 return false;
1261 pcg 1.1 }
1262    
1263     void
1264 sf-exg 1.358 rxvt_term::im_send_spot ()
1265 pcg 1.1 {
1266 root 1.114 XPoint nspot;
1267 root 1.94 XVaNestedList preedit_attr;
1268 pcg 1.1
1269 root 1.94 if (!Input_Context
1270 root 1.149 || !focus
1271 root 1.202 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1272 root 1.114 return;
1273    
1274     im_set_position (nspot);
1275    
1276     if (nspot.x == spot.x && nspot.y == spot.y)
1277 pcg 1.26 return;
1278 pcg 1.1
1279 root 1.114 spot = nspot;
1280 pcg 1.1
1281 pcg 1.32 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1282     XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1283     XFree (preedit_attr);
1284 pcg 1.1 }
1285    
1286     void
1287 pcg 1.29 rxvt_term::im_destroy ()
1288     {
1289 root 1.114 if (input_method)
1290 pcg 1.29 {
1291 root 1.114 if (Input_Context && input_method->xim)
1292     XDestroyIC (Input_Context);
1293 pcg 1.29
1294     display->put_xim (input_method);
1295     input_method = 0;
1296     }
1297 root 1.114
1298     Input_Context = 0;
1299 pcg 1.1 }
1300    
1301 root 1.200 #ifdef ENABLE_XIM_ONTHESPOT
1302    
1303     static void
1304     xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1305     {
1306     ((rxvt_term *)client_data)->make_current ();
1307     HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1308     }
1309    
1310     static void
1311     xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1312     {
1313     ((rxvt_term *)client_data)->make_current ();
1314     HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1315     }
1316    
1317     static void
1318     xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1319     {
1320     rxvt_term *term = (rxvt_term *)client_data;
1321     XIMText *text = call_data->text;
1322    
1323     term->make_current ();
1324    
1325     if (text)
1326     {
1327 sf-exg 1.320 wchar_t *str;
1328 root 1.200
1329     if (!text->encoding_is_wchar && text->string.multi_byte)
1330     {
1331     // of course, X makes it ugly again
1332     if (term->rs[Rs_imLocale])
1333     SET_LOCALE (term->rs[Rs_imLocale]);
1334    
1335 sf-exg 1.320 str = rxvt_temp_buf<wchar_t> (text->length + 1);
1336     mbstowcs (str, text->string.multi_byte, text->length + 1);
1337 root 1.200
1338     if (term->rs[Rs_imLocale])
1339     SET_LOCALE (term->locale);
1340     }
1341     else
1342 sf-exg 1.320 str = text->string.wide_char;
1343 ayin 1.255
1344 root 1.200 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1345     DT_INT, call_data->caret,
1346     DT_INT, call_data->chg_first,
1347     DT_INT, call_data->chg_length,
1348     DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1349     DT_WCS_LEN, str, str ? (int)text->length : 0,
1350     DT_END));
1351     }
1352     else
1353     HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1354     DT_INT, call_data->caret,
1355     DT_INT, call_data->chg_first,
1356     DT_INT, call_data->chg_length,
1357     DT_END));
1358     }
1359    
1360 root 1.201 #if 0
1361 root 1.200 static void
1362     xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1363     {
1364     ((rxvt_term *)client_data)->make_current ();
1365     HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1366     DT_INT, call_data->position,
1367     DT_INT, call_data->direction,
1368     DT_INT, call_data->style,
1369     DT_END));
1370     }
1371 root 1.201 #endif
1372 root 1.200
1373     #endif
1374    
1375 pcg 1.1 /*
1376     * Try to open a XIM with the current modifiers, then see if we can
1377     * open a suitable preedit type
1378     */
1379 pcg 1.22 bool
1380 sf-exg 1.358 rxvt_term::im_get_ic (const char *modifiers)
1381 pcg 1.1 {
1382 root 1.94 int i, j, found;
1383     XIM xim;
1384     XPoint spot;
1385     XRectangle rect, status_rect, needed_rect;
1386     unsigned long fg, bg;
1387     const char *p;
1388     char **s;
1389     XIMStyles *xim_styles;
1390 pcg 1.29
1391 sf-exg 1.391 set_environ (env);
1392 root 1.171
1393 root 1.389 if (!((p = XSetLocaleModifiers (modifiers)) && *p))
1394 pcg 1.29 return false;
1395 pcg 1.26
1396 pcg 1.29 input_method = display->get_xim (locale, modifiers);
1397     if (input_method == NULL)
1398     return false;
1399    
1400     xim = input_method->xim;
1401 root 1.114 spot.x = spot.y = -1;
1402 pcg 1.26
1403     xim_styles = NULL;
1404     if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1405     || !xim_styles || !xim_styles->count_styles)
1406     {
1407 root 1.94 im_destroy ();
1408 pcg 1.29 return false;
1409 pcg 1.26 }
1410    
1411 root 1.116 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1412 root 1.94
1413 root 1.116 for (int pi = 0; pi < 2; pi++)
1414 pcg 1.26 {
1415 root 1.116 p = pet[pi];
1416    
1417     if (!p)
1418     continue;
1419    
1420 sf-exg 1.347 s = rxvt_strsplit (',', p);
1421 root 1.116
1422     for (i = found = 0; !found && s[i]; i++)
1423     {
1424     if (!strcmp (s[i], "OverTheSpot"))
1425 root 1.200 input_style = XIMPreeditPosition | XIMStatusNothing;
1426 root 1.116 else if (!strcmp (s[i], "OffTheSpot"))
1427 root 1.200 input_style = XIMPreeditArea | XIMStatusArea;
1428 root 1.116 else if (!strcmp (s[i], "Root"))
1429 root 1.200 input_style = XIMPreeditNothing | XIMStatusNothing;
1430 root 1.116 else if (!strcmp (s[i], "None"))
1431 root 1.200 input_style = XIMPreeditNone | XIMStatusNone;
1432     #ifdef ENABLE_XIM_ONTHESPOT
1433     else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1434     input_style = XIMPreeditCallbacks | XIMStatusNothing;
1435     #endif
1436     else
1437     input_style = XIMPreeditNothing | XIMStatusNothing;
1438 root 1.116
1439     for (j = 0; j < xim_styles->count_styles; j++)
1440     if (input_style == xim_styles->supported_styles[j])
1441     {
1442 sf-exg 1.347 rxvt_free_strsplit (s);
1443 root 1.116
1444     found = 1;
1445     goto foundpet;
1446     }
1447    
1448     }
1449    
1450 sf-exg 1.347 rxvt_free_strsplit (s);
1451 pcg 1.26 }
1452 pcg 1.29
1453 root 1.116 foundpet:
1454 pcg 1.29
1455     XFree (xim_styles);
1456 pcg 1.26
1457     if (!found)
1458     {
1459 root 1.94 im_destroy ();
1460 pcg 1.29 return false;
1461 pcg 1.26 }
1462    
1463 root 1.94 XFontSet fs = 0;
1464     XVaNestedList preedit_attr = 0, status_attr = 0;
1465    
1466     if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1467     {
1468     // fake us a font-set, please
1469     char **missing_charset_list;
1470     int missing_charset_count;
1471     char *def_string;
1472     char pat[512];
1473    
1474     sprintf (pat,
1475     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1476     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1477     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1478     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1479     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1480     "*",
1481 root 1.149 fheight,
1482     fheight + 1, fheight - 1,
1483     fheight - 2, fheight + 2);
1484 root 1.94
1485 root 1.218 fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1486 root 1.94 &missing_charset_list, &missing_charset_count, &def_string);
1487    
1488     if (missing_charset_list)
1489     XFreeStringList (missing_charset_list);
1490    
1491     if (!fs)
1492     {
1493     input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1494     rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1495     }
1496     }
1497 pcg 1.26
1498     if (input_style & XIMPreeditPosition)
1499     {
1500 root 1.94 im_set_size (rect);
1501     im_set_position (spot);
1502     im_set_color (fg, bg);
1503    
1504     preedit_attr = XVaCreateNestedList (0,
1505     XNForeground, fg,
1506     XNBackground, bg,
1507     XNArea, &rect,
1508     XNSpotLocation, &spot,
1509     XNFontSet, fs,
1510     NULL);
1511 pcg 1.1 }
1512 pcg 1.26 else if (input_style & XIMPreeditArea)
1513     {
1514 root 1.94 im_set_color (fg, bg);
1515 pcg 1.26
1516     /*
1517     * The necessary width of preedit area is unknown
1518     * until create input context.
1519     */
1520     needed_rect.width = 0;
1521 root 1.94 im_set_preedit_area (rect, status_rect, needed_rect);
1522 pcg 1.26
1523 root 1.94 preedit_attr = XVaCreateNestedList (0,
1524     XNForeground, fg,
1525     XNBackground, bg,
1526     XNArea, &rect,
1527     XNFontSet, fs,
1528     NULL);
1529     status_attr = XVaCreateNestedList (0,
1530     XNForeground, fg,
1531     XNBackground, bg,
1532     XNArea, &status_rect,
1533     XNFontSet, fs,
1534 pcg 1.26 NULL);
1535     }
1536 root 1.205 #if ENABLE_XIM_ONTHESPOT
1537 root 1.200 else if (input_style & XIMPreeditCallbacks)
1538     {
1539 sf-exg 1.357 XIMCallback xcb[4];
1540    
1541 root 1.202 im_set_position (spot);
1542    
1543 root 1.200 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1544     xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1545     xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1546 root 1.205 # if 0
1547 root 1.200 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1548 root 1.205 # endif
1549 root 1.200
1550     preedit_attr = XVaCreateNestedList (0,
1551 root 1.202 XNSpotLocation, &spot,
1552 root 1.200 XNPreeditStartCallback, &xcb[0],
1553     XNPreeditDoneCallback , &xcb[1],
1554     XNPreeditDrawCallback , &xcb[2],
1555 root 1.205 # if 0
1556 root 1.200 XNPreeditCaretCallback, &xcb[3],
1557 root 1.205 # endif
1558 root 1.200 NULL);
1559     }
1560 root 1.205 #endif
1561 pcg 1.29
1562 root 1.94 Input_Context = XCreateIC (xim,
1563     XNInputStyle, input_style,
1564 root 1.149 XNClientWindow, vt,
1565 sf-exg 1.355 XNFocusWindow, parent,
1566 root 1.94 preedit_attr ? XNPreeditAttributes : NULL,
1567     preedit_attr,
1568     status_attr ? XNStatusAttributes : NULL,
1569     status_attr, NULL);
1570    
1571 pcg 1.32 if (preedit_attr) XFree (preedit_attr);
1572 root 1.220 if (status_attr) XFree (status_attr);
1573     if (fs) XFreeFontSet (dpy, fs);
1574 pcg 1.29
1575 pcg 1.26 if (Input_Context == NULL)
1576     {
1577 pcg 1.60 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1578 root 1.94 im_destroy ();
1579 pcg 1.29 return false;
1580 pcg 1.26 }
1581 pcg 1.29
1582 root 1.200 #if 0
1583     // unfortunately, only the focus window is used by XIM, hard to fix
1584 root 1.198 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1585     vt_select_input ();
1586 root 1.200 #endif
1587 root 1.198
1588 sf-exg 1.358 im_set_position ();
1589 pcg 1.29
1590     return true;
1591 pcg 1.16 }
1592    
1593     void
1594 pcg 1.29 rxvt_term::im_cb ()
1595 pcg 1.16 {
1596 root 1.147 int i;
1597 pcg 1.16 const char *p;
1598     char **s;
1599     char buf[IMBUFSIZ];
1600    
1601 root 1.177 make_current ();
1602 root 1.135
1603 pcg 1.29 im_destroy ();
1604    
1605     if (Input_Context)
1606 pcg 1.16 return;
1607    
1608 pcg 1.29 if (rs[Rs_imLocale])
1609 pcg 1.38 SET_LOCALE (rs[Rs_imLocale]);
1610 pcg 1.16
1611 pcg 1.29 p = rs[Rs_inputMethod];
1612 pcg 1.16 if (p && *p)
1613     {
1614     bool found = false;
1615    
1616 sf-exg 1.347 s = rxvt_strsplit (',', p);
1617 root 1.116
1618 pcg 1.16 for (i = 0; s[i]; i++)
1619     {
1620     if (*s[i])
1621     {
1622 root 1.94 strcpy (buf, "@im=");
1623     strncat (buf, s[i], IMBUFSIZ - 5);
1624 sf-exg 1.358 if (im_get_ic (buf))
1625 pcg 1.16 {
1626     found = true;
1627     break;
1628     }
1629     }
1630     }
1631 root 1.116
1632 sf-exg 1.347 rxvt_free_strsplit (s);
1633 pcg 1.16
1634     if (found)
1635     goto done;
1636     }
1637    
1638 pcg 1.26 /* try with XMODIFIERS env. var. */
1639 sf-exg 1.358 if (im_get_ic (""))
1640 pcg 1.16 goto done;
1641    
1642 pcg 1.26 /* try with no modifiers base IF the user didn't specify an IM */
1643 sf-exg 1.358 if (im_get_ic ("@im=none"))
1644 pcg 1.16 goto done;
1645    
1646 sf-exg 1.371 done:
1647 pcg 1.29 if (rs[Rs_imLocale])
1648 pcg 1.38 SET_LOCALE (locale);
1649 pcg 1.1 }
1650    
1651     void
1652 sf-exg 1.358 rxvt_term::im_set_position ()
1653 pcg 1.1 {
1654 root 1.94 XRectangle preedit_rect, status_rect, *needed_rect;
1655     XVaNestedList preedit_attr, status_attr;
1656 pcg 1.1
1657 root 1.94 if (!Input_Context
1658 root 1.149 || !focus
1659 root 1.220 || !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1660 sf-exg 1.358 || !im_is_running ())
1661 pcg 1.26 return;
1662 pcg 1.1
1663 root 1.222 if (input_style & XIMPreeditPosition)
1664 root 1.221 {
1665     im_set_size (preedit_rect);
1666     preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1667 ayin 1.255
1668 root 1.221 XSetICValues (Input_Context,
1669     XNPreeditAttributes, preedit_attr, NULL);
1670     }
1671     else
1672     {
1673     /* Getting the necessary width of preedit area */
1674     status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1675     XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1676     XFree (status_attr);
1677 pcg 1.1
1678 root 1.221 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1679     XFree (needed_rect);
1680    
1681     preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1682     status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1683    
1684     XSetICValues (Input_Context,
1685     XNPreeditAttributes, preedit_attr,
1686     XNStatusAttributes, status_attr,
1687     NULL);
1688    
1689     XFree (status_attr);
1690     }
1691    
1692     XFree (preedit_attr);
1693 pcg 1.1 }
1694 ayin 1.258 #endif /* USE_XIM */
1695 pcg 1.1
1696 sasha 1.249 void
1697     rxvt_term::get_window_origin (int &x, int &y)
1698     {
1699     Window cr;
1700 sf-exg 1.355 XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
1701 sasha 1.249 }
1702    
1703 pcg 1.1 /*----------------------- end-of-file (C source) -----------------------*/