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Revision: 1.394
Committed: Sat Dec 13 10:07:30 2014 UTC (9 years, 5 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.393: +1 -1 lines
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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 pcg 1.1 *
18     * This program is free software; you can redistribute it and/or modify
19     * it under the terms of the GNU General Public License as published by
20 root 1.390 * the Free Software Foundation; either version 3 of the License, or
21 pcg 1.1 * (at your option) any later version.
22     *
23     * This program is distributed in the hope that it will be useful,
24     * but WITHOUT ANY WARRANTY; without even the implied warranty of
25     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26     * GNU General Public License for more details.
27     *
28     * You should have received a copy of the GNU General Public License
29     * along with this program; if not, write to the Free Software
30     * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31     *---------------------------------------------------------------------*/
32    
33 pcg 1.3 #include "../config.h" /* NECESSARY */
34     #include "rxvt.h" /* NECESSARY */
35 sf-exg 1.332 #include "init.h"
36 root 1.155 #include "keyboard.h"
37     #include "rxvtperl.h"
38 pcg 1.1
39 root 1.151 #include <limits>
40    
41 sf-exg 1.369 #include <assert.h>
42     #include <signal.h>
43     #include <string.h>
44 pcg 1.1
45 ayin 1.278 #include <termios.h>
46 pcg 1.1
47 ayin 1.254 #ifdef HAVE_XSETLOCALE
48     # define X_LOCALE
49     # include <X11/Xlocale.h>
50     #else
51 sf-exg 1.370 # include <locale.h>
52 pcg 1.1 #endif
53    
54 sf-exg 1.332 struct termios rxvt_term::def_tio;
55 pcg 1.65 vector<rxvt_term *> rxvt_term::termlist;
56    
57 root 1.191 // used to tell global functions which terminal instance is "active"
58     rxvt_t rxvt_current_term;
59    
60 root 1.156 static char curlocale[128], savelocale[128];
61 pcg 1.15
62 pcg 1.65 bool
63 root 1.191 rxvt_set_locale (const char *locale) NOTHROW
64 pcg 1.15 {
65 root 1.228 int size = strlen (locale) + 1;
66 root 1.227
67 root 1.228 if (size > sizeof (curlocale))
68 root 1.227 rxvt_fatal ("locale string too long, aborting.\n");
69    
70 root 1.228 if (!locale || !memcmp (locale, curlocale, size))
71 pcg 1.65 return false;
72    
73 root 1.228 memcpy (curlocale, locale, size);
74 pcg 1.65 setlocale (LC_CTYPE, curlocale);
75     return true;
76 pcg 1.15 }
77    
78 root 1.169 void
79 root 1.191 rxvt_push_locale (const char *locale) NOTHROW
80 root 1.156 {
81     strcpy (savelocale, curlocale);
82     rxvt_set_locale (locale);
83     }
84    
85     void
86 root 1.191 rxvt_pop_locale () NOTHROW
87 root 1.156 {
88     rxvt_set_locale (savelocale);
89     }
90    
91 pcg 1.53 #if ENABLE_COMBINING
92 pcg 1.51 class rxvt_composite_vec rxvt_composite;
93    
94 pcg 1.54 text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
95 pcg 1.51 {
96     compose_char *cc;
97 ayin 1.255
98 pcg 1.51 // break compose chains, as stupid readline really likes to duplicate
99 root 1.344 // composing characters for some reason, near the end of a line.
100 pcg 1.51 cc = (*this)[c1];
101     while (cc)
102     {
103     if (cc->c2 == c2) return c1;
104     cc = (*this)[cc->c1];
105     }
106    
107 sf-exg 1.324 // check to see whether this combination already exists otherwise
108 sf-exg 1.359 for (cc = v.begin (); cc < v.end (); cc++)
109 root 1.344 if (cc->c1 == c1 && cc->c2 == c2)
110     return COMPOSE_LO + (cc - v.begin ());
111 pcg 1.51
112     // allocate a new combination
113     if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
114     {
115     static int seen;
116    
117     if (!seen++)
118 root 1.344 rxvt_warn ("too many unrepresentable composite characters, try --enable-unicode3\n");
119 pcg 1.51
120     return REPLACEMENT_CHAR;
121     }
122    
123     v.push_back (compose_char (c1, c2));
124    
125     return v.size () - 1 + COMPOSE_LO;
126     }
127    
128 pcg 1.54 int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
129 pcg 1.51 {
130     compose_char *cc = (*this)[c];
131    
132     if (!cc)
133     {
134     if (r) *r = c;
135     return 1;
136     }
137    
138     int len = expand (cc->c1, r);
139    
140     if (r) r += len;
141    
142     if (cc->c2 != NOCHAR)
143     {
144     len++;
145     if (r) *r++ = cc->c2;
146     }
147    
148     return len;
149    
150     }
151 pcg 1.53 #endif
152 pcg 1.51
153 pcg 1.4 rxvt_term::rxvt_term ()
154 root 1.270 {
155 sasha 1.243 #if HAVE_BG_PIXMAP
156 root 1.270 update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
157 root 1.80 #endif
158 pcg 1.5 #ifdef CURSOR_BLINK
159 root 1.277 cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
160 pcg 1.21 #endif
161     #ifdef TEXT_BLINK
162 root 1.275 text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
163 pcg 1.5 #endif
164 root 1.70 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
165 root 1.270 cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
166 root 1.70 #endif
167     #ifdef SELECTION_SCROLLING
168 root 1.270 sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
169 root 1.70 #endif
170     #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
171 root 1.270 slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
172 root 1.193 #endif
173 sf-exg 1.384 #if BG_IMAGE_FROM_ROOT || ENABLE_PERL
174 root 1.291 rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
175 root 1.269 #endif
176 root 1.270 scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
177 root 1.376 #if USE_XIM
178 root 1.270 im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
179     #endif
180     #ifdef POINTER_BLANK
181     pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
182     #endif
183     #ifndef NO_BELL
184     bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
185 root 1.269 #endif
186 root 1.270 child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
187 root 1.276 flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
188 root 1.270 destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
189     pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
190     termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
191     vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
192 root 1.269
193 pcg 1.4 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
194 pcg 1.65
195     termlist.push_back (this);
196 root 1.128
197     #ifdef KEYSYM_RESOURCE
198     keyboard = new keyboard_manager;
199     #endif
200 pcg 1.4 }
201    
202 root 1.134 // clean up the most important stuff, do *not* call x or free mem etc.
203     // for use before an emergency exit
204 ayin 1.253 void
205     rxvt_term::emergency_cleanup ()
206 pcg 1.4 {
207 root 1.94 if (cmd_pid)
208     kill (-cmd_pid, SIGHUP);
209    
210 root 1.223 pty_ev.stop ();
211 root 1.184 delete pty; pty = 0;
212 root 1.134 }
213    
214     rxvt_term::~rxvt_term ()
215     {
216     termlist.erase (find (termlist.begin (), termlist.end(), this));
217    
218     emergency_cleanup ();
219 root 1.132
220 root 1.108 #if ENABLE_STYLES
221     for (int i = RS_styleCount; --i; )
222 root 1.149 if (fontset[i] != fontset[0])
223     delete fontset[i];
224 root 1.108 #endif
225 root 1.149 delete fontset[0];
226 pcg 1.34
227 root 1.300 #ifdef HAVE_BG_PIXMAP
228 sf-exg 1.349 bg_destroy ();
229 root 1.300 #endif
230    
231 sf-exg 1.385 #if HAVE_IMG
232     delete bg_img;
233     #endif
234    
235 pcg 1.34 if (display)
236 pcg 1.44 {
237 pcg 1.60 selection_clear ();
238 sf-exg 1.319 selection_clear (true);
239 pcg 1.60
240 root 1.376 #if USE_XIM
241 root 1.77 im_destroy ();
242     #endif
243 ayin 1.308 scrollBar.destroy ();
244 root 1.388
245     if (gc)
246     XFreeGC (dpy, gc);
247 pcg 1.60
248 root 1.149 delete drawable;
249 root 1.388
250 pcg 1.45 // destroy all windows
251 sf-exg 1.355 if (parent)
252     XDestroyWindow (dpy, parent);
253 root 1.206
254 root 1.216 for (int i = 0; i < TOTAL_COLORS; i++)
255     if (ISSET_PIXCOLOR (i))
256     {
257     pix_colors_focused [i].free (this);
258     #if OFF_FOCUS_FADING
259     pix_colors_unfocused [i].free (this);
260     #endif
261     }
262    
263 root 1.206 clear ();
264 root 1.300
265     display->flush (); /* ideally .put should do this */
266     displays.put (display);
267 pcg 1.44 }
268 pcg 1.34
269     scr_release ();
270    
271 pcg 1.60 /* clear all resources */
272     for (int i = 0; i < allocated.size (); i++)
273 root 1.134 free (allocated [i]);
274 pcg 1.60
275     free (selection.text);
276 sf-exg 1.319 free (selection.clip_text);
277 pcg 1.34 free (locale);
278 root 1.120 free (v_buffer);
279 pcg 1.34
280 sf-exg 1.353 delete selection_req;
281    
282 sf-exg 1.392 if (env && memcmp (env, envv->begin (), envv->size () * sizeof (char *)))
283 sf-exg 1.391 rxvt_warn ("env has been modified, probably as a result of a lib calling setenv.\n");
284    
285     delete env;
286    
287 pcg 1.33 delete envv;
288     delete argv;
289 root 1.128
290     #ifdef KEYSYM_RESOURCE
291 root 1.134 delete keyboard;
292 root 1.128 #endif
293 ayin 1.263 #ifndef NO_RESOURCES
294     XrmDestroyDatabase (option_db);
295     #endif
296 root 1.393
297     SET_R ((rxvt_term *)0);
298 pcg 1.4 }
299    
300 root 1.189 // child has exited, usually destroys
301 pcg 1.8 void
302 root 1.256 rxvt_term::child_cb (ev::child &w, int status)
303 root 1.152 {
304 root 1.189 HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
305    
306 root 1.152 cmd_pid = 0;
307    
308 root 1.232 if (!option (Opt_hold))
309 root 1.152 destroy ();
310     }
311    
312     void
313 pcg 1.8 rxvt_term::destroy ()
314     {
315 root 1.281 if (destroy_ev.is_active ())
316 root 1.77 return;
317    
318 root 1.200 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
319 root 1.191
320 root 1.94 #if ENABLE_OVERLAY
321     scr_overlay_off ();
322     #endif
323    
324 pcg 1.27 if (display)
325     {
326 root 1.80 #if USE_XIM
327 pcg 1.29 im_ev.stop (display);
328     #endif
329 pcg 1.27 scrollbar_ev.stop (display);
330 sf-exg 1.384 #if BG_IMAGE_FROM_ROOT || ENABLE_PERL
331 root 1.77 rootwin_ev.stop (display);
332 root 1.80 #endif
333 root 1.77 termwin_ev.stop (display);
334     vt_ev.stop (display);
335 pcg 1.27 }
336    
337 root 1.283 flush_ev.stop ();
338 pcg 1.8 pty_ev.stop ();
339     #ifdef CURSOR_BLINK
340 pcg 1.21 cursor_blink_ev.stop ();
341     #endif
342     #ifdef TEXT_BLINK
343     text_blink_ev.stop ();
344 pcg 1.8 #endif
345 root 1.70 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
346     cont_scroll_ev.stop ();
347     #endif
348     #ifdef SELECTION_SCROLLING
349     sel_scroll_ev.stop ();
350     #endif
351 pcg 1.8 #ifdef POINTER_BLANK
352     pointer_ev.stop ();
353     #endif
354    
355 root 1.256 destroy_ev.start ();
356 pcg 1.8 }
357    
358     void
359 root 1.260 rxvt_term::destroy_cb (ev::idle &w, int revents)
360 pcg 1.8 {
361 root 1.177 make_current ();
362 pcg 1.8
363     delete this;
364     }
365    
366 root 1.337 void
367 root 1.368 rxvt_term::set_option (uint8_t opt, bool set) NOTHROW
368 root 1.337 {
369     if (!opt)
370     return;
371    
372     uint8_t mask = 1 << (opt & 7);
373     uint8_t &val = options [opt >> 3];
374    
375 root 1.338 val = val & ~mask | (set ? mask : 0);
376 root 1.337 }
377    
378 pcg 1.1 /*----------------------------------------------------------------------*/
379 root 1.134 /*
380     * Exit gracefully, clearing the utmp entry and restoring tty attributes
381     */
382     static XErrorHandler old_xerror_handler;
383    
384     static void
385     rxvt_emergency_cleanup ()
386     {
387     for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
388     (*t)->emergency_cleanup ();
389     }
390    
391 root 1.209 #if !ENABLE_MINIMAL
392 root 1.373 static void ecb_cold
393 root 1.135 print_x_error (Display *dpy, XErrorEvent *event)
394     {
395 root 1.393 char buffer[BUFSIZ];
396     char mesg[BUFSIZ];
397     char number[32];
398 root 1.380
399 root 1.393 rxvt_warn ("An X Error occurred, trying to continue after report.\n");
400 root 1.380
401 root 1.393 XGetErrorDatabaseText (dpy, "XlibMessage", "ErrorSerial", "Error Serial #%d", mesg, BUFSIZ);
402     snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->serial);
403 root 1.378
404 root 1.393 XGetErrorText (dpy, event->error_code, buffer, BUFSIZ);
405     XGetErrorDatabaseText (dpy, "XlibMessage", "XError", "X Error", mesg, BUFSIZ);
406     rxvt_warn ("+ %s: %s\n", mesg, buffer);
407 root 1.380
408 root 1.393 XGetErrorDatabaseText (dpy, "XlibMessage", "MajorCode", "Request Major code %d", mesg, BUFSIZ);
409     snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->request_code);
410 root 1.380
411 root 1.393 if (event->request_code >= 128)
412     {
413 root 1.381 #if 0
414 root 1.393 /* XListExtensions and probably query extensions hangs when there are multiple queues errors */
415     int nexts;
416     char **exts = XListExtensions (dpy, &nexts);
417 root 1.381
418 root 1.393 while (nexts)
419     {
420     char *extname = exts [nexts - 1];
421     int major, first_event, first_error;
422    
423     if (XQueryExtension (dpy, extname, &major, &first_event, &first_error) && major == event->request_code)
424     {
425     XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
426     rxvt_warn ("+ (which is extension %s minor code %d)\n", extname, event->minor_code);
427 root 1.381
428 root 1.393 snprintf (buffer, BUFSIZ, "%s.%d", extname, event->minor_code);
429     XGetErrorDatabaseText (dpy, "XRequest", buffer, "an unregistered minor code", buffer, BUFSIZ);
430     rxvt_warn ("+ (which is %s)\n", buffer);
431 root 1.381
432 root 1.393 break;
433     }
434 root 1.381
435 root 1.393 printf ("nextss %d %s\n", nexts, extname);//D
436     --nexts;
437     ++exts;
438     }
439 root 1.381 #else
440 root 1.393 int nexts = 0;
441     char **exts = 0;
442 root 1.381 #endif
443 root 1.378
444 root 1.393 if (!nexts)
445     {
446     rxvt_warn ("+ (which is an unknown extension)\n", buffer);
447 root 1.381
448 root 1.393 XGetErrorDatabaseText (dpy, "XlibMessage", "MinorCode", "Request Minor code %d", mesg, BUFSIZ);
449     snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->minor_code);
450 root 1.381
451 root 1.382 #if 0
452 root 1.393 sprintf (number, "RENDER.%d", event->minor_code);
453     XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
454     rxvt_warn ("+ (which is %s)\n", buffer);
455 root 1.382 #endif
456 root 1.393 }
457 root 1.381
458 root 1.393 XFreeExtensionList (exts);
459     }
460     else
461     {
462     sprintf (number, "%d", event->request_code);
463     XGetErrorDatabaseText (dpy, "XRequest", number, "", buffer, BUFSIZ);
464     rxvt_warn ("+ (which is %s)\n", buffer);
465     }
466    
467     if (event->error_code == BadWindow
468     || event->error_code == BadPixmap
469     || event->error_code == BadCursor
470     || event->error_code == BadFont
471     || event->error_code == BadDrawable
472     || event->error_code == BadColor
473     || event->error_code == BadGC
474     || event->error_code == BadIDChoice
475     || event->error_code == BadValue
476     || event->error_code == BadAtom)
477     {
478     if (event->error_code == BadValue)
479     XGetErrorDatabaseText (dpy, "XlibMessage", "Value", "Value 0x%x", mesg, BUFSIZ);
480     else if (event->error_code == BadAtom)
481     XGetErrorDatabaseText (dpy, "XlibMessage", "AtomID", "AtomID 0x%x", mesg, BUFSIZ);
482     else
483     XGetErrorDatabaseText (dpy, "XlibMessage", "ResourceID", "ResourceID 0x%x", mesg, BUFSIZ);
484 root 1.378
485 root 1.393 snprintf (buffer, BUFSIZ, "+ %s\n", mesg); rxvt_warn (buffer, event->resourceid);
486 root 1.135 }
487     }
488     #endif
489    
490 root 1.373 int ecb_cold
491 root 1.134 rxvt_xerror_handler (Display *display, XErrorEvent *event)
492     {
493 root 1.393 if (GET_R && GET_R->allowedxerror == -1)
494 root 1.134 GET_R->allowedxerror = event->error_code;
495     else
496     {
497 root 1.146 // GET_R is most likely not the terminal which caused the error,
498     // so just output the error and continue
499 root 1.209 #if ENABLE_MINIMAL
500     old_xerror_handler (display, event);
501     #else
502 root 1.135 print_x_error (display, event);
503     #endif
504 root 1.134 }
505    
506     return 0;
507     }
508    
509 root 1.373 int ecb_cold
510 root 1.134 rxvt_xioerror_handler (Display *display)
511     {
512     rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
513     DisplayString (display));
514     rxvt_emergency_cleanup ();
515     _exit (EXIT_FAILURE);
516     }
517    
518 root 1.148 static struct sig_handlers
519     {
520 root 1.256 ev::sig sw_term, sw_int;
521 ayin 1.255
522 root 1.148 /*
523     * Catch a fatal signal and tidy up before quitting
524     */
525 root 1.271 void sig_term (ev::sig &w, int revents);
526 root 1.148
527     sig_handlers ()
528     {
529 root 1.270 sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
530     sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
531 root 1.148 }
532     } sig_handlers;
533    
534 root 1.271 void
535     sig_handlers::sig_term (ev::sig &w, int revents)
536     {
537     rxvt_emergency_cleanup ();
538     w.stop ();
539     kill (getpid (), w.signum);
540     }
541    
542 sf-exg 1.332 static void
543     rxvt_get_ttymode (struct termios *tio)
544     {
545     if (tcgetattr (STDIN_FILENO, tio) < 0)
546     memset (tio, 0, sizeof (struct termios));
547    
548     for (int i = 0; i < NCCS; i++)
549     tio->c_cc[i] = VDISABLE;
550    
551     tio->c_cc[VINTR] = CINTR;
552     tio->c_cc[VQUIT] = CQUIT;
553     tio->c_cc[VERASE] = CERASE;
554     #ifdef VERASE2
555     tio->c_cc[VERASE2] = CERASE2;
556     #endif
557     tio->c_cc[VKILL] = CKILL;
558     tio->c_cc[VEOF] = CEOF;
559     tio->c_cc[VSTART] = CSTART;
560     tio->c_cc[VSTOP] = CSTOP;
561     tio->c_cc[VSUSP] = CSUSP;
562     # ifdef VDSUSP
563     tio->c_cc[VDSUSP] = CDSUSP;
564     # endif
565     # ifdef VREPRINT
566     tio->c_cc[VREPRINT] = CRPRNT;
567     # endif
568     # ifdef VDISCRD
569     tio->c_cc[VDISCRD] = CFLUSH;
570     # endif
571     # ifdef VWERSE
572     tio->c_cc[VWERSE] = CWERASE;
573     # endif
574     # ifdef VLNEXT
575     tio->c_cc[VLNEXT] = CLNEXT;
576     # endif
577 sf-exg 1.336 # ifdef VSTATUS
578     tio->c_cc[VSTATUS] = CSTATUS;
579     # endif
580 sf-exg 1.332
581     # if VMIN != VEOF
582     tio->c_cc[VMIN] = 1;
583     # endif
584     # if VTIME != VEOL
585     tio->c_cc[VTIME] = 0;
586     # endif
587    
588     /* input modes */
589     tio->c_iflag = (BRKINT | IGNPAR | ICRNL
590     # ifdef IMAXBEL
591     | IMAXBEL
592     # endif
593     | IXON);
594    
595     /* output modes */
596     tio->c_oflag = (OPOST | ONLCR);
597    
598     /* control modes */
599     tio->c_cflag = (CS8 | CREAD);
600    
601     /* local modes */
602     tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
603     # if defined (ECHOCTL) && defined (ECHOKE)
604     | ECHOCTL | ECHOKE
605     # endif
606     | ECHOE | ECHOK);
607     }
608    
609 root 1.175 char **rxvt_environ; // startup environment
610    
611 pcg 1.60 void
612 root 1.94 rxvt_init ()
613 pcg 1.60 {
614 root 1.327 assert (("fontMask must not overlap other RS masks",
615     0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
616    
617 sf-exg 1.332 rxvt_get_ttymode (&rxvt_term::def_tio);
618    
619 sf-exg 1.331 // get rid of stdin/stdout as we don't need them, to free resources
620     dup2 (STDERR_FILENO, STDIN_FILENO);
621     dup2 (STDERR_FILENO, STDOUT_FILENO);
622    
623 root 1.333 if (!ev_default_loop ())
624 root 1.257 rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
625 root 1.186
626 root 1.175 rxvt_environ = environ;
627    
628 root 1.114 signal (SIGHUP, SIG_IGN);
629     signal (SIGPIPE, SIG_IGN);
630 pcg 1.60
631 root 1.264 sig_handlers.sw_term.start (SIGTERM); ev_unref ();
632     sig_handlers.sw_int.start (SIGINT); ev_unref ();
633 root 1.148
634 pcg 1.60 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
635 root 1.114 // TODO: handle this with exceptions and tolerate the memory loss
636 root 1.134 XSetIOErrorHandler (rxvt_xioerror_handler);
637 root 1.166
638     XrmInitialize ();
639 root 1.374
640 root 1.376 #if HAVE_PIXBUF
641 root 1.374 g_type_init ();
642     #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 1.46 rxvt_color xcol;
947 ayin 1.255
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 ayin 1.266 pix_colors_focused[idx] = pix_colors_focused[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 1.94 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
971 root 1.145 goto done;
972 pcg 1.3 }
973 pcg 1.1 }
974 pcg 1.65
975 root 1.212 set_color (xcol, color);
976 pcg 1.1
977 pcg 1.26 /*
978     * FIXME: should free colors here, but no idea how to do it so instead,
979     * so just keep gobbling up the colormap
980     */
981 pcg 1.1
982 root 1.94 pix_colors_focused[idx] = xcol;
983 pcg 1.1
984 root 1.145 done:
985 root 1.108 /*TODO: handle Color_BD, scrollbar background, etc. */
986 pcg 1.26
987 root 1.225 update_fade_color (idx);
988 pcg 1.26 recolour_cursor ();
989 root 1.108 scr_recolour ();
990 ayin 1.258 #endif /* XTERM_COLOR_CHANGE */
991 pcg 1.1 }
992    
993     void
994 pcg 1.15 rxvt_term::recolour_cursor ()
995 pcg 1.1 {
996 root 1.215 XColor fg, bg;
997 pcg 1.1
998 root 1.215 (ISSET_PIXCOLOR (Color_pointer_fg)
999     ? pix_colors_focused[Color_pointer_fg]
1000     : pix_colors_focused[Color_fg]).get (fg);
1001 root 1.108
1002 root 1.215 (ISSET_PIXCOLOR (Color_pointer_bg)
1003     ? pix_colors_focused[Color_pointer_bg]
1004     : pix_colors_focused[Color_bg]).get (bg);
1005    
1006 root 1.218 XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
1007 pcg 1.1 }
1008    
1009     /*----------------------------------------------------------------------*/
1010     /*
1011     * find if fg/bg matches any of the normal (low-intensity) colors
1012     */
1013 sf-exg 1.365 char *
1014     rxvt_term::get_colorfgbg ()
1015 pcg 1.1 {
1016 root 1.108 unsigned int i;
1017 root 1.268 const char *xpmb = "";
1018 sf-exg 1.346 char fstr[] = "default";
1019     char bstr[] = "default";
1020 sf-exg 1.365 char *env_colorfgbg;
1021 pcg 1.26
1022     for (i = Color_Black; i <= Color_White; i++)
1023 root 1.94 if (pix_colors[Color_fg] == pix_colors[i])
1024 pcg 1.26 {
1025 root 1.345 sprintf (fstr, "%d", i - Color_Black);
1026 pcg 1.26 break;
1027     }
1028 root 1.108
1029 pcg 1.26 for (i = Color_Black; i <= Color_White; i++)
1030 root 1.94 if (pix_colors[Color_bg] == pix_colors[i])
1031 pcg 1.26 {
1032 root 1.345 sprintf (bstr, "%d", i - Color_Black);
1033 root 1.376 #if BG_IMAGE_FROM_FILE
1034 pcg 1.26 xpmb = "default;";
1035 pcg 1.1 #endif
1036 pcg 1.26 break;
1037     }
1038 pcg 1.33
1039 sf-exg 1.365 env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg"));
1040 pcg 1.32 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
1041 sf-exg 1.365 return env_colorfgbg;
1042 pcg 1.1 }
1043    
1044     /*----------------------------------------------------------------------*/
1045    
1046 root 1.208 bool
1047     rxvt_term::set_color (rxvt_color &color, const char *name)
1048 pcg 1.1 {
1049 root 1.208 if (color.set (this, name))
1050     return true;
1051 pcg 1.1
1052 root 1.208 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
1053     return false;
1054 pcg 1.1 }
1055    
1056 root 1.216 void
1057     rxvt_term::alias_color (int dst, int src)
1058     {
1059     pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
1060     }
1061    
1062 pcg 1.1 /* -------------------------------------------------------------------- *
1063     * - WINDOW RESIZING - *
1064     * -------------------------------------------------------------------- */
1065     void
1066 root 1.149 rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1067 pcg 1.1 {
1068 pcg 1.17 int fix_screen;
1069 root 1.197 int old_width = szHint.width;
1070     int old_height = szHint.height;
1071 pcg 1.1
1072 root 1.149 window_calc (newwidth, newheight);
1073 root 1.219
1074 root 1.312 bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
1075    
1076 root 1.313 // to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
1077 root 1.312 if (set_hint)
1078     {
1079     szHint.flags &= ~(PBaseSize | PResizeInc);
1080 sf-exg 1.355 XSetWMNormalHints (dpy, parent, &szHint);
1081 root 1.312 szHint.flags |= PBaseSize | PResizeInc;
1082     }
1083 pcg 1.67
1084 pcg 1.17 if (!ignoreparent)
1085     {
1086 pcg 1.3 #ifdef SMART_RESIZE
1087 pcg 1.17 /*
1088     * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
1089     * reposition window on resize depending on placement on screen
1090     */
1091     int x, y, x1, y1;
1092     int dx, dy;
1093     unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1094     Window unused_cr;
1095    
1096 sf-exg 1.355 XTranslateCoordinates (dpy, parent, display->root,
1097 pcg 1.17 0, 0, &x, &y, &unused_cr);
1098 sf-exg 1.355 XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
1099 pcg 1.17 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
1100     /*
1101 pcg 1.27 * if display->root isn't the parent window, a WM will probably have offset
1102 pcg 1.17 * our position for handles and decorations. Counter it
1103     */
1104 pcg 1.26 if (x1 != x || y1 != y)
1105     {
1106 pcg 1.17 x -= x1;
1107     y -= y1;
1108 pcg 1.26 }
1109 pcg 1.17
1110 root 1.218 x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
1111     y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
1112 root 1.197 dx = old_width - szHint.width;
1113 pcg 1.17 dy = old_height - szHint.height;
1114    
1115 pcg 1.26 /* Check position of the center of the window */
1116 pcg 1.17 if (x < x1) /* left half */
1117 pcg 1.26 dx = 0;
1118 pcg 1.17 else if (x == x1) /* exact center */
1119 pcg 1.26 dx /= 2;
1120 pcg 1.17 if (y < y1) /* top half */
1121 pcg 1.26 dy = 0;
1122 pcg 1.17 else if (y == y1) /* exact center */
1123 pcg 1.26 dy /= 2;
1124 pcg 1.3
1125 sf-exg 1.355 XMoveResizeWindow (dpy, parent, x + dx, y + dy,
1126 pcg 1.17 szHint.width, szHint.height);
1127 pcg 1.1 #else
1128 sf-exg 1.355 XResizeWindow (dpy, parent, szHint.width, szHint.height);
1129 pcg 1.1 #endif
1130     }
1131    
1132 root 1.314 if (set_hint)
1133 sf-exg 1.355 XSetWMNormalHints (dpy, parent, &szHint);
1134 root 1.314
1135 root 1.149 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1136 pcg 1.17
1137 root 1.149 if (fix_screen || newwidth != old_width || newheight != old_height)
1138 pcg 1.17 {
1139 root 1.180 if (scrollBar.state)
1140 ayin 1.307 scrollBar.resize ();
1141 pcg 1.17
1142 root 1.218 XMoveResizeWindow (dpy, vt,
1143 pcg 1.67 window_vt_x, window_vt_y,
1144 sf-exg 1.366 vt_width, vt_height);
1145 root 1.132
1146 root 1.377 HOOK_INVOKE ((this, HOOK_SIZE_CHANGE, DT_INT, newwidth, DT_INT, newheight, DT_END));
1147    
1148 ayin 1.247 #ifdef HAVE_BG_PIXMAP
1149 sf-exg 1.349 if (bg_window_size_sensitive ())
1150 sasha 1.248 update_background ();
1151 pcg 1.1 #endif
1152     }
1153    
1154 pcg 1.17 if (fix_screen || old_height == 0)
1155 root 1.315 scr_reset ();
1156 pcg 1.1
1157 root 1.376 #if USE_XIM
1158 sf-exg 1.358 im_set_position ();
1159 pcg 1.1 #endif
1160     }
1161    
1162     /*
1163     * Set the width/height of the vt window in characters. Units are pixels.
1164     * good for toggling 80/132 columns
1165     */
1166     void
1167 root 1.149 rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1168 pcg 1.1 {
1169 pcg 1.26 XWindowAttributes wattr;
1170 pcg 1.1
1171 root 1.149 if (newwidth == 0 || newheight == 0)
1172 pcg 1.26 {
1173 root 1.218 XGetWindowAttributes (dpy, display->root, &wattr);
1174 root 1.142
1175 root 1.149 if (newwidth == 0)
1176     newwidth = wattr.width - szHint.base_width;
1177     if (newheight == 0)
1178     newheight = wattr.height - szHint.base_height;
1179 pcg 1.26 }
1180 root 1.80
1181 sf-exg 1.366 if (newwidth != vt_width || newheight != vt_height)
1182 pcg 1.26 {
1183 root 1.149 newwidth += szHint.base_width;
1184     newheight += szHint.base_height;
1185     resize_all_windows (newwidth, newheight, 0);
1186 pcg 1.1 }
1187     }
1188    
1189     /* -------------------------------------------------------------------- *
1190     * - X INPUT METHOD ROUTINES - *
1191     * -------------------------------------------------------------------- */
1192 root 1.376 #if USE_XIM
1193 pcg 1.29
1194 pcg 1.1 void
1195 root 1.94 rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1196 pcg 1.1 {
1197 root 1.216 fg = pix_colors [Color_fg];
1198     bg = pix_colors [Color_bg];
1199 pcg 1.1 }
1200    
1201     void
1202 root 1.94 rxvt_term::im_set_size (XRectangle &size)
1203 pcg 1.1 {
1204 root 1.94 // the int_bwidth terms make no sense to me
1205 root 1.149 size.x = int_bwidth;
1206     size.y = int_bwidth;
1207     size.width = Width2Pixel (ncol) + int_bwidth;
1208     size.height = Height2Pixel (nrow) + int_bwidth;
1209 root 1.94 }
1210    
1211     void
1212     rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1213     XRectangle &status_rect,
1214     const XRectangle &needed_rect)
1215     {
1216     preedit_rect.x = needed_rect.width;
1217     preedit_rect.y = 0;
1218 root 1.149 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1219     preedit_rect.height = fheight;
1220 root 1.94
1221     status_rect.x = 0;
1222     status_rect.y = 0;
1223 root 1.149 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1224     status_rect.height = fheight;
1225 pcg 1.1 }
1226    
1227     /* Checking whether input method is running. */
1228 pcg 1.22 bool
1229 sf-exg 1.358 rxvt_term::im_is_running ()
1230 pcg 1.1 {
1231 root 1.94 Atom atom;
1232     Window win;
1233     char server[IMBUFSIZ];
1234 pcg 1.26
1235     /* get current locale modifier */
1236 root 1.316 if (char *p = XSetLocaleModifiers (0))
1237 pcg 1.26 {
1238 root 1.94 strcpy (server, "@server=");
1239 root 1.316 strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
1240 root 1.94
1241 root 1.316 if (p = strchr (server + 1, '@')) /* first one only */
1242 pcg 1.26 *p = '\0';
1243    
1244 root 1.218 atom = XInternAtom (dpy, server, False);
1245     win = XGetSelectionOwner (dpy, atom);
1246 root 1.94
1247 pcg 1.26 if (win != None)
1248 sf-exg 1.351 return true;
1249 pcg 1.1 }
1250 root 1.94
1251 sf-exg 1.351 return false;
1252 pcg 1.1 }
1253    
1254     void
1255 sf-exg 1.358 rxvt_term::im_send_spot ()
1256 pcg 1.1 {
1257 root 1.114 XPoint nspot;
1258 root 1.94 XVaNestedList preedit_attr;
1259 pcg 1.1
1260 root 1.94 if (!Input_Context
1261 root 1.149 || !focus
1262 root 1.202 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1263 root 1.114 return;
1264    
1265     im_set_position (nspot);
1266    
1267     if (nspot.x == spot.x && nspot.y == spot.y)
1268 pcg 1.26 return;
1269 pcg 1.1
1270 root 1.114 spot = nspot;
1271 pcg 1.1
1272 pcg 1.32 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1273     XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1274     XFree (preedit_attr);
1275 pcg 1.1 }
1276    
1277     void
1278 pcg 1.29 rxvt_term::im_destroy ()
1279     {
1280 root 1.114 if (input_method)
1281 pcg 1.29 {
1282 root 1.114 if (Input_Context && input_method->xim)
1283     XDestroyIC (Input_Context);
1284 pcg 1.29
1285     display->put_xim (input_method);
1286     input_method = 0;
1287     }
1288 root 1.114
1289     Input_Context = 0;
1290 pcg 1.1 }
1291    
1292 root 1.200 #ifdef ENABLE_XIM_ONTHESPOT
1293    
1294     static void
1295     xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1296     {
1297     ((rxvt_term *)client_data)->make_current ();
1298     HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1299     }
1300    
1301     static void
1302     xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1303     {
1304     ((rxvt_term *)client_data)->make_current ();
1305     HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1306     }
1307    
1308     static void
1309     xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1310     {
1311     rxvt_term *term = (rxvt_term *)client_data;
1312     XIMText *text = call_data->text;
1313    
1314     term->make_current ();
1315    
1316     if (text)
1317     {
1318 sf-exg 1.320 wchar_t *str;
1319 root 1.200
1320     if (!text->encoding_is_wchar && text->string.multi_byte)
1321     {
1322     // of course, X makes it ugly again
1323     if (term->rs[Rs_imLocale])
1324     SET_LOCALE (term->rs[Rs_imLocale]);
1325    
1326 sf-exg 1.320 str = rxvt_temp_buf<wchar_t> (text->length + 1);
1327     mbstowcs (str, text->string.multi_byte, text->length + 1);
1328 root 1.200
1329     if (term->rs[Rs_imLocale])
1330     SET_LOCALE (term->locale);
1331     }
1332     else
1333 sf-exg 1.320 str = text->string.wide_char;
1334 ayin 1.255
1335 root 1.200 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1336     DT_INT, call_data->caret,
1337     DT_INT, call_data->chg_first,
1338     DT_INT, call_data->chg_length,
1339     DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1340     DT_WCS_LEN, str, str ? (int)text->length : 0,
1341     DT_END));
1342     }
1343     else
1344     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_END));
1349     }
1350    
1351 root 1.201 #if 0
1352 root 1.200 static void
1353     xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1354     {
1355     ((rxvt_term *)client_data)->make_current ();
1356     HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1357     DT_INT, call_data->position,
1358     DT_INT, call_data->direction,
1359     DT_INT, call_data->style,
1360     DT_END));
1361     }
1362 root 1.201 #endif
1363 root 1.200
1364     #endif
1365    
1366 pcg 1.1 /*
1367     * Try to open a XIM with the current modifiers, then see if we can
1368     * open a suitable preedit type
1369     */
1370 pcg 1.22 bool
1371 sf-exg 1.358 rxvt_term::im_get_ic (const char *modifiers)
1372 pcg 1.1 {
1373 root 1.94 int i, j, found;
1374     XIM xim;
1375     XPoint spot;
1376     XRectangle rect, status_rect, needed_rect;
1377     unsigned long fg, bg;
1378     const char *p;
1379     char **s;
1380     XIMStyles *xim_styles;
1381 pcg 1.29
1382 sf-exg 1.391 set_environ (env);
1383 root 1.171
1384 root 1.389 if (!((p = XSetLocaleModifiers (modifiers)) && *p))
1385 pcg 1.29 return false;
1386 pcg 1.26
1387 pcg 1.29 input_method = display->get_xim (locale, modifiers);
1388     if (input_method == NULL)
1389     return false;
1390    
1391     xim = input_method->xim;
1392 root 1.114 spot.x = spot.y = -1;
1393 pcg 1.26
1394     xim_styles = NULL;
1395     if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1396     || !xim_styles || !xim_styles->count_styles)
1397     {
1398 root 1.94 im_destroy ();
1399 pcg 1.29 return false;
1400 pcg 1.26 }
1401    
1402 root 1.116 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1403 root 1.94
1404 root 1.116 for (int pi = 0; pi < 2; pi++)
1405 pcg 1.26 {
1406 root 1.116 p = pet[pi];
1407    
1408     if (!p)
1409     continue;
1410    
1411 sf-exg 1.347 s = rxvt_strsplit (',', p);
1412 root 1.116
1413     for (i = found = 0; !found && s[i]; i++)
1414     {
1415     if (!strcmp (s[i], "OverTheSpot"))
1416 root 1.200 input_style = XIMPreeditPosition | XIMStatusNothing;
1417 root 1.116 else if (!strcmp (s[i], "OffTheSpot"))
1418 root 1.200 input_style = XIMPreeditArea | XIMStatusArea;
1419 root 1.116 else if (!strcmp (s[i], "Root"))
1420 root 1.200 input_style = XIMPreeditNothing | XIMStatusNothing;
1421 root 1.116 else if (!strcmp (s[i], "None"))
1422 root 1.200 input_style = XIMPreeditNone | XIMStatusNone;
1423     #ifdef ENABLE_XIM_ONTHESPOT
1424     else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1425     input_style = XIMPreeditCallbacks | XIMStatusNothing;
1426     #endif
1427     else
1428     input_style = XIMPreeditNothing | XIMStatusNothing;
1429 root 1.116
1430     for (j = 0; j < xim_styles->count_styles; j++)
1431     if (input_style == xim_styles->supported_styles[j])
1432     {
1433 sf-exg 1.347 rxvt_free_strsplit (s);
1434 root 1.116
1435     found = 1;
1436     goto foundpet;
1437     }
1438    
1439     }
1440    
1441 sf-exg 1.347 rxvt_free_strsplit (s);
1442 pcg 1.26 }
1443 pcg 1.29
1444 root 1.116 foundpet:
1445 pcg 1.29
1446     XFree (xim_styles);
1447 pcg 1.26
1448     if (!found)
1449     {
1450 root 1.94 im_destroy ();
1451 pcg 1.29 return false;
1452 pcg 1.26 }
1453    
1454 root 1.94 XFontSet fs = 0;
1455     XVaNestedList preedit_attr = 0, status_attr = 0;
1456    
1457     if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1458     {
1459     // fake us a font-set, please
1460     char **missing_charset_list;
1461     int missing_charset_count;
1462     char *def_string;
1463     char pat[512];
1464    
1465     sprintf (pat,
1466     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1467     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1468     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1469     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1470     "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1471     "*",
1472 root 1.149 fheight,
1473     fheight + 1, fheight - 1,
1474     fheight - 2, fheight + 2);
1475 root 1.94
1476 root 1.218 fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1477 root 1.94 &missing_charset_list, &missing_charset_count, &def_string);
1478    
1479     if (missing_charset_list)
1480     XFreeStringList (missing_charset_list);
1481    
1482     if (!fs)
1483     {
1484     input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1485     rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1486     }
1487     }
1488 pcg 1.26
1489     if (input_style & XIMPreeditPosition)
1490     {
1491 root 1.94 im_set_size (rect);
1492     im_set_position (spot);
1493     im_set_color (fg, bg);
1494    
1495     preedit_attr = XVaCreateNestedList (0,
1496     XNForeground, fg,
1497     XNBackground, bg,
1498     XNArea, &rect,
1499     XNSpotLocation, &spot,
1500     XNFontSet, fs,
1501     NULL);
1502 pcg 1.1 }
1503 pcg 1.26 else if (input_style & XIMPreeditArea)
1504     {
1505 root 1.94 im_set_color (fg, bg);
1506 pcg 1.26
1507     /*
1508     * The necessary width of preedit area is unknown
1509     * until create input context.
1510     */
1511     needed_rect.width = 0;
1512 root 1.94 im_set_preedit_area (rect, status_rect, needed_rect);
1513 pcg 1.26
1514 root 1.94 preedit_attr = XVaCreateNestedList (0,
1515     XNForeground, fg,
1516     XNBackground, bg,
1517     XNArea, &rect,
1518     XNFontSet, fs,
1519     NULL);
1520     status_attr = XVaCreateNestedList (0,
1521     XNForeground, fg,
1522     XNBackground, bg,
1523     XNArea, &status_rect,
1524     XNFontSet, fs,
1525 pcg 1.26 NULL);
1526     }
1527 root 1.205 #if ENABLE_XIM_ONTHESPOT
1528 root 1.200 else if (input_style & XIMPreeditCallbacks)
1529     {
1530 sf-exg 1.357 XIMCallback xcb[4];
1531    
1532 root 1.202 im_set_position (spot);
1533    
1534 root 1.200 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1535     xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1536     xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1537 root 1.205 # if 0
1538 root 1.200 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1539 root 1.205 # endif
1540 root 1.200
1541     preedit_attr = XVaCreateNestedList (0,
1542 root 1.202 XNSpotLocation, &spot,
1543 root 1.200 XNPreeditStartCallback, &xcb[0],
1544     XNPreeditDoneCallback , &xcb[1],
1545     XNPreeditDrawCallback , &xcb[2],
1546 root 1.205 # if 0
1547 root 1.200 XNPreeditCaretCallback, &xcb[3],
1548 root 1.205 # endif
1549 root 1.200 NULL);
1550     }
1551 root 1.205 #endif
1552 pcg 1.29
1553 root 1.94 Input_Context = XCreateIC (xim,
1554     XNInputStyle, input_style,
1555 root 1.149 XNClientWindow, vt,
1556 sf-exg 1.355 XNFocusWindow, parent,
1557 root 1.94 preedit_attr ? XNPreeditAttributes : NULL,
1558     preedit_attr,
1559     status_attr ? XNStatusAttributes : NULL,
1560     status_attr, NULL);
1561    
1562 pcg 1.32 if (preedit_attr) XFree (preedit_attr);
1563 root 1.220 if (status_attr) XFree (status_attr);
1564     if (fs) XFreeFontSet (dpy, fs);
1565 pcg 1.29
1566 pcg 1.26 if (Input_Context == NULL)
1567     {
1568 pcg 1.60 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1569 root 1.94 im_destroy ();
1570 pcg 1.29 return false;
1571 pcg 1.26 }
1572 pcg 1.29
1573 root 1.200 #if 0
1574     // unfortunately, only the focus window is used by XIM, hard to fix
1575 root 1.198 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1576     vt_select_input ();
1577 root 1.200 #endif
1578 root 1.198
1579 sf-exg 1.358 im_set_position ();
1580 pcg 1.29
1581     return true;
1582 pcg 1.16 }
1583    
1584     void
1585 pcg 1.29 rxvt_term::im_cb ()
1586 pcg 1.16 {
1587 root 1.147 int i;
1588 pcg 1.16 const char *p;
1589     char **s;
1590     char buf[IMBUFSIZ];
1591    
1592 root 1.177 make_current ();
1593 root 1.135
1594 pcg 1.29 im_destroy ();
1595    
1596     if (Input_Context)
1597 pcg 1.16 return;
1598    
1599 pcg 1.29 if (rs[Rs_imLocale])
1600 pcg 1.38 SET_LOCALE (rs[Rs_imLocale]);
1601 pcg 1.16
1602 pcg 1.29 p = rs[Rs_inputMethod];
1603 pcg 1.16 if (p && *p)
1604     {
1605     bool found = false;
1606    
1607 sf-exg 1.347 s = rxvt_strsplit (',', p);
1608 root 1.116
1609 pcg 1.16 for (i = 0; s[i]; i++)
1610     {
1611     if (*s[i])
1612     {
1613 root 1.94 strcpy (buf, "@im=");
1614     strncat (buf, s[i], IMBUFSIZ - 5);
1615 sf-exg 1.358 if (im_get_ic (buf))
1616 pcg 1.16 {
1617     found = true;
1618     break;
1619     }
1620     }
1621     }
1622 root 1.116
1623 sf-exg 1.347 rxvt_free_strsplit (s);
1624 pcg 1.16
1625     if (found)
1626     goto done;
1627     }
1628    
1629 pcg 1.26 /* try with XMODIFIERS env. var. */
1630 sf-exg 1.358 if (im_get_ic (""))
1631 pcg 1.16 goto done;
1632    
1633 pcg 1.26 /* try with no modifiers base IF the user didn't specify an IM */
1634 sf-exg 1.358 if (im_get_ic ("@im=none"))
1635 pcg 1.16 goto done;
1636    
1637 sf-exg 1.371 done:
1638 pcg 1.29 if (rs[Rs_imLocale])
1639 pcg 1.38 SET_LOCALE (locale);
1640 pcg 1.1 }
1641    
1642     void
1643 sf-exg 1.358 rxvt_term::im_set_position ()
1644 pcg 1.1 {
1645 root 1.94 XRectangle preedit_rect, status_rect, *needed_rect;
1646     XVaNestedList preedit_attr, status_attr;
1647 pcg 1.1
1648 root 1.94 if (!Input_Context
1649 root 1.149 || !focus
1650 root 1.220 || !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1651 sf-exg 1.358 || !im_is_running ())
1652 pcg 1.26 return;
1653 pcg 1.1
1654 root 1.222 if (input_style & XIMPreeditPosition)
1655 root 1.221 {
1656     im_set_size (preedit_rect);
1657     preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1658 ayin 1.255
1659 root 1.221 XSetICValues (Input_Context,
1660     XNPreeditAttributes, preedit_attr, NULL);
1661     }
1662     else
1663     {
1664     /* Getting the necessary width of preedit area */
1665     status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1666     XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1667     XFree (status_attr);
1668 pcg 1.1
1669 root 1.221 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1670     XFree (needed_rect);
1671    
1672     preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1673     status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1674    
1675     XSetICValues (Input_Context,
1676     XNPreeditAttributes, preedit_attr,
1677     XNStatusAttributes, status_attr,
1678     NULL);
1679    
1680     XFree (status_attr);
1681     }
1682    
1683     XFree (preedit_attr);
1684 pcg 1.1 }
1685 ayin 1.258 #endif /* USE_XIM */
1686 pcg 1.1
1687 sasha 1.249 void
1688     rxvt_term::get_window_origin (int &x, int &y)
1689     {
1690     Window cr;
1691 sf-exg 1.355 XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
1692 sasha 1.249 }
1693    
1694     #ifdef HAVE_BG_PIXMAP
1695 root 1.267
1696 root 1.291 void
1697 sasha 1.249 rxvt_term::update_background ()
1698     {
1699 root 1.294 if (update_background_ev.is_active ())
1700     return;
1701    
1702 sf-exg 1.349 ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
1703 root 1.294
1704 sasha 1.297 if (to_wait <= 0.)
1705 sf-exg 1.349 bg_render ();
1706 sasha 1.249 else
1707 sasha 1.296 update_background_ev.start (to_wait);
1708 sasha 1.249 }
1709    
1710     void
1711 root 1.256 rxvt_term::update_background_cb (ev::timer &w, int revents)
1712 sasha 1.249 {
1713 root 1.284 make_current ();
1714 root 1.294
1715     update_background_ev.stop ();
1716 sf-exg 1.349 bg_render ();
1717 root 1.284 refresh_check ();
1718 sasha 1.249 }
1719    
1720     #endif /* HAVE_BG_PIXMAP */
1721    
1722 pcg 1.1 /*----------------------- end-of-file (C source) -----------------------*/