1 |
/*----------------------------------------------------------------------* |
2 |
* File: main.C |
3 |
*----------------------------------------------------------------------* |
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 |
* - original version |
8 |
* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com> |
9 |
* - extensive modifications |
10 |
* Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com> |
11 |
* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA> |
12 |
* - extensive modifications |
13 |
* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> |
14 |
* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> |
15 |
* - extensive modifications |
16 |
* Copyright (c) 2003-2008 Marc Lehmann <pcg@goof.com> |
17 |
* |
18 |
* This program is free software; you can redistribute it and/or modify |
19 |
* it under the terms of the GNU General Public License as published by |
20 |
* the Free Software Foundation; either version 2 of the License, or |
21 |
* (at your option) any later version. |
22 |
* |
23 |
* This program is distributed in the hope that it will be useful, |
24 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
25 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
26 |
* GNU General Public License for more details. |
27 |
* |
28 |
* You should have received a copy of the GNU General Public License |
29 |
* along with this program; if not, write to the Free Software |
30 |
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
31 |
*---------------------------------------------------------------------*/ |
32 |
|
33 |
#include "../config.h" /* NECESSARY */ |
34 |
#include "rxvt.h" /* NECESSARY */ |
35 |
#include "keyboard.h" |
36 |
#include "rxvtperl.h" |
37 |
|
38 |
#include <limits> |
39 |
|
40 |
#include <cassert> |
41 |
#include <csignal> |
42 |
#include <cstring> |
43 |
|
44 |
#include <termios.h> |
45 |
|
46 |
#ifdef HAVE_XSETLOCALE |
47 |
# define X_LOCALE |
48 |
# include <X11/Xlocale.h> |
49 |
#else |
50 |
# ifdef HAVE_SETLOCALE |
51 |
# include <clocale> |
52 |
# endif |
53 |
#endif |
54 |
|
55 |
vector<rxvt_term *> rxvt_term::termlist; |
56 |
|
57 |
// used to tell global functions which terminal instance is "active" |
58 |
rxvt_t rxvt_current_term; |
59 |
|
60 |
static char curlocale[128], savelocale[128]; |
61 |
|
62 |
bool |
63 |
rxvt_set_locale (const char *locale) NOTHROW |
64 |
{ |
65 |
int size = strlen (locale) + 1; |
66 |
|
67 |
if (size > sizeof (curlocale)) |
68 |
rxvt_fatal ("locale string too long, aborting.\n"); |
69 |
|
70 |
if (!locale || !memcmp (locale, curlocale, size)) |
71 |
return false; |
72 |
|
73 |
memcpy (curlocale, locale, size); |
74 |
setlocale (LC_CTYPE, curlocale); |
75 |
return true; |
76 |
} |
77 |
|
78 |
void |
79 |
rxvt_push_locale (const char *locale) NOTHROW |
80 |
{ |
81 |
strcpy (savelocale, curlocale); |
82 |
rxvt_set_locale (locale); |
83 |
} |
84 |
|
85 |
void |
86 |
rxvt_pop_locale () NOTHROW |
87 |
{ |
88 |
rxvt_set_locale (savelocale); |
89 |
} |
90 |
|
91 |
#if ENABLE_COMBINING |
92 |
class rxvt_composite_vec rxvt_composite; |
93 |
|
94 |
text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2) |
95 |
{ |
96 |
compose_char *cc; |
97 |
|
98 |
// break compose chains, as stupid readline really likes to duplicate |
99 |
// composing characters for some reason near the end of a line. |
100 |
cc = (*this)[c1]; |
101 |
while (cc) |
102 |
{ |
103 |
if (cc->c2 == c2) return c1; |
104 |
cc = (*this)[cc->c1]; |
105 |
} |
106 |
|
107 |
// check to see whether this combination already exists otherwise |
108 |
for (cc = v.end (); cc-- > v.begin (); ) |
109 |
{ |
110 |
if (cc->c1 == c1 && cc->c2 == c2) |
111 |
return COMPOSE_LO + (cc - v.begin ()); |
112 |
} |
113 |
|
114 |
// allocate a new combination |
115 |
if (v.size () == COMPOSE_HI - COMPOSE_LO + 1) |
116 |
{ |
117 |
static int seen; |
118 |
|
119 |
if (!seen++) |
120 |
fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n"); |
121 |
|
122 |
return REPLACEMENT_CHAR; |
123 |
} |
124 |
|
125 |
v.push_back (compose_char (c1, c2)); |
126 |
|
127 |
return v.size () - 1 + COMPOSE_LO; |
128 |
} |
129 |
|
130 |
int rxvt_composite_vec::expand (unicode_t c, wchar_t *r) |
131 |
{ |
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 |
|
152 |
} |
153 |
#endif |
154 |
|
155 |
rxvt_term::rxvt_term () |
156 |
{ |
157 |
#if HAVE_BG_PIXMAP |
158 |
update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this); |
159 |
#endif |
160 |
#ifdef CURSOR_BLINK |
161 |
cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL); |
162 |
#endif |
163 |
#ifdef TEXT_BLINK |
164 |
text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL); |
165 |
#endif |
166 |
#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING |
167 |
cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this); |
168 |
#endif |
169 |
#ifdef SELECTION_SCROLLING |
170 |
sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this); |
171 |
#endif |
172 |
#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING) |
173 |
slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this); |
174 |
#endif |
175 |
#if ENABLE_TRANSPARENCY || ENABLE_PERL |
176 |
rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this), |
177 |
#endif |
178 |
scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this), |
179 |
#ifdef USE_XIM |
180 |
im_ev.set <rxvt_term, &rxvt_term::im_cb> (this), |
181 |
#endif |
182 |
#ifdef POINTER_BLANK |
183 |
pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this); |
184 |
#endif |
185 |
#ifndef NO_BELL |
186 |
bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this); |
187 |
#endif |
188 |
child_ev.set <rxvt_term, &rxvt_term::child_cb> (this); |
189 |
flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this); |
190 |
destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this); |
191 |
pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this); |
192 |
incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this); |
193 |
termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this); |
194 |
vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this); |
195 |
|
196 |
cmdbuf_ptr = cmdbuf_endp = cmdbuf_base; |
197 |
|
198 |
termlist.push_back (this); |
199 |
|
200 |
#ifdef KEYSYM_RESOURCE |
201 |
keyboard = new keyboard_manager; |
202 |
#endif |
203 |
} |
204 |
|
205 |
// clean up the most important stuff, do *not* call x or free mem etc. |
206 |
// for use before an emergency exit |
207 |
void |
208 |
rxvt_term::emergency_cleanup () |
209 |
{ |
210 |
if (cmd_pid) |
211 |
kill (-cmd_pid, SIGHUP); |
212 |
|
213 |
pty_ev.stop (); |
214 |
delete pty; pty = 0; |
215 |
} |
216 |
|
217 |
rxvt_term::~rxvt_term () |
218 |
{ |
219 |
termlist.erase (find (termlist.begin (), termlist.end(), this)); |
220 |
|
221 |
emergency_cleanup (); |
222 |
|
223 |
#if ENABLE_STYLES |
224 |
for (int i = RS_styleCount; --i; ) |
225 |
if (fontset[i] != fontset[0]) |
226 |
delete fontset[i]; |
227 |
#endif |
228 |
delete fontset[0]; |
229 |
|
230 |
#ifdef HAVE_BG_PIXMAP |
231 |
bgPixmap.destroy (); |
232 |
#endif |
233 |
#ifdef HAVE_AFTERIMAGE |
234 |
if (asv) |
235 |
destroy_asvisual (asv, 0); |
236 |
if (asimman) |
237 |
destroy_image_manager (asimman, 0); |
238 |
#endif |
239 |
|
240 |
if (display) |
241 |
{ |
242 |
selection_clear (); |
243 |
selection_clear (true); |
244 |
|
245 |
#ifdef USE_XIM |
246 |
im_destroy (); |
247 |
#endif |
248 |
scrollBar.destroy (); |
249 |
if (gc) XFreeGC (dpy, gc); |
250 |
|
251 |
delete drawable; |
252 |
// destroy all windows |
253 |
if (parent[0]) |
254 |
XDestroyWindow (dpy, parent[0]); |
255 |
|
256 |
for (int i = 0; i < TOTAL_COLORS; i++) |
257 |
if (ISSET_PIXCOLOR (i)) |
258 |
{ |
259 |
pix_colors_focused [i].free (this); |
260 |
#if OFF_FOCUS_FADING |
261 |
pix_colors_unfocused [i].free (this); |
262 |
#endif |
263 |
} |
264 |
|
265 |
clear (); |
266 |
|
267 |
display->flush (); /* ideally .put should do this */ |
268 |
displays.put (display); |
269 |
} |
270 |
|
271 |
scr_release (); |
272 |
|
273 |
/* clear all resources */ |
274 |
for (int i = 0; i < allocated.size (); i++) |
275 |
free (allocated [i]); |
276 |
|
277 |
free (selection.text); |
278 |
free (selection.clip_text); |
279 |
// TODO: manage env vars in child only(!) |
280 |
free (env_display); |
281 |
free (env_term); |
282 |
free (locale); |
283 |
free (v_buffer); |
284 |
free (incr_buf); |
285 |
|
286 |
delete envv; |
287 |
delete argv; |
288 |
|
289 |
#ifdef KEYSYM_RESOURCE |
290 |
delete keyboard; |
291 |
#endif |
292 |
#ifndef NO_RESOURCES |
293 |
XrmDestroyDatabase (option_db); |
294 |
#endif |
295 |
} |
296 |
|
297 |
// child has exited, usually destroys |
298 |
void |
299 |
rxvt_term::child_cb (ev::child &w, int status) |
300 |
{ |
301 |
HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END)); |
302 |
|
303 |
cmd_pid = 0; |
304 |
|
305 |
if (!option (Opt_hold)) |
306 |
destroy (); |
307 |
} |
308 |
|
309 |
void |
310 |
rxvt_term::destroy () |
311 |
{ |
312 |
if (destroy_ev.is_active ()) |
313 |
return; |
314 |
|
315 |
HOOK_INVOKE ((this, HOOK_DESTROY, DT_END)); |
316 |
|
317 |
#if ENABLE_OVERLAY |
318 |
scr_overlay_off (); |
319 |
#endif |
320 |
|
321 |
if (display) |
322 |
{ |
323 |
#if USE_XIM |
324 |
im_ev.stop (display); |
325 |
#endif |
326 |
scrollbar_ev.stop (display); |
327 |
#if ENABLE_TRANSPARENCY || ENABLE_PERL |
328 |
rootwin_ev.stop (display); |
329 |
#endif |
330 |
incr_ev.stop (); |
331 |
termwin_ev.stop (display); |
332 |
vt_ev.stop (display); |
333 |
} |
334 |
|
335 |
flush_ev.stop (); |
336 |
pty_ev.stop (); |
337 |
#ifdef CURSOR_BLINK |
338 |
cursor_blink_ev.stop (); |
339 |
#endif |
340 |
#ifdef TEXT_BLINK |
341 |
text_blink_ev.stop (); |
342 |
#endif |
343 |
#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 |
#ifdef POINTER_BLANK |
350 |
pointer_ev.stop (); |
351 |
#endif |
352 |
|
353 |
destroy_ev.start (); |
354 |
} |
355 |
|
356 |
void |
357 |
rxvt_term::destroy_cb (ev::idle &w, int revents) |
358 |
{ |
359 |
make_current (); |
360 |
|
361 |
delete this; |
362 |
} |
363 |
|
364 |
/*----------------------------------------------------------------------*/ |
365 |
/* |
366 |
* Exit gracefully, clearing the utmp entry and restoring tty attributes |
367 |
* TODO: if debugging, this should free up any known resources if we can |
368 |
*/ |
369 |
static XErrorHandler old_xerror_handler; |
370 |
|
371 |
static void |
372 |
rxvt_emergency_cleanup () |
373 |
{ |
374 |
for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++) |
375 |
(*t)->emergency_cleanup (); |
376 |
} |
377 |
|
378 |
#if !ENABLE_MINIMAL |
379 |
static void |
380 |
print_x_error (Display *dpy, XErrorEvent *event) |
381 |
{ |
382 |
char buffer[BUFSIZ]; |
383 |
char mesg[BUFSIZ]; |
384 |
char number[32]; |
385 |
char *mtype = "XlibMessage"; |
386 |
XGetErrorText(dpy, event->error_code, buffer, BUFSIZ); |
387 |
XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ); |
388 |
rxvt_warn ("An X Error occured, trying to continue after report.\n"); |
389 |
rxvt_warn ("%s: %s\n", mesg, buffer); |
390 |
XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ); |
391 |
rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code); |
392 |
sprintf(number, "%d", event->request_code); |
393 |
XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ); |
394 |
rxvt_warn ("(which is %s)\n", buffer); |
395 |
if (event->request_code >= 128) { |
396 |
XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d", |
397 |
mesg, BUFSIZ); |
398 |
rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code); |
399 |
} |
400 |
if ((event->error_code == BadWindow) || |
401 |
(event->error_code == BadPixmap) || |
402 |
(event->error_code == BadCursor) || |
403 |
(event->error_code == BadFont) || |
404 |
(event->error_code == BadDrawable) || |
405 |
(event->error_code == BadColor) || |
406 |
(event->error_code == BadGC) || |
407 |
(event->error_code == BadIDChoice) || |
408 |
(event->error_code == BadValue) || |
409 |
(event->error_code == BadAtom)) { |
410 |
if (event->error_code == BadValue) |
411 |
XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x", |
412 |
mesg, BUFSIZ); |
413 |
else if (event->error_code == BadAtom) |
414 |
XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x", |
415 |
mesg, BUFSIZ); |
416 |
else |
417 |
XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x", |
418 |
mesg, BUFSIZ); |
419 |
rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid); |
420 |
} |
421 |
XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d", |
422 |
mesg, BUFSIZ); |
423 |
rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial); |
424 |
} |
425 |
#endif |
426 |
|
427 |
int |
428 |
rxvt_xerror_handler (Display *display, XErrorEvent *event) |
429 |
{ |
430 |
if (GET_R->allowedxerror == -1) |
431 |
GET_R->allowedxerror = event->error_code; |
432 |
else |
433 |
{ |
434 |
// GET_R is most likely not the terminal which caused the error, |
435 |
// so just output the error and continue |
436 |
#if ENABLE_MINIMAL |
437 |
old_xerror_handler (display, event); |
438 |
#else |
439 |
print_x_error (display, event); |
440 |
#endif |
441 |
} |
442 |
|
443 |
return 0; |
444 |
} |
445 |
|
446 |
int |
447 |
rxvt_xioerror_handler (Display *display) |
448 |
{ |
449 |
rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n", |
450 |
DisplayString (display)); |
451 |
rxvt_emergency_cleanup (); |
452 |
_exit (EXIT_FAILURE); |
453 |
} |
454 |
|
455 |
static struct sig_handlers |
456 |
{ |
457 |
ev::sig sw_term, sw_int; |
458 |
|
459 |
/* |
460 |
* Catch a fatal signal and tidy up before quitting |
461 |
*/ |
462 |
void sig_term (ev::sig &w, int revents); |
463 |
|
464 |
sig_handlers () |
465 |
{ |
466 |
sw_term.set<sig_handlers, &sig_handlers::sig_term> (this); |
467 |
sw_int .set<sig_handlers, &sig_handlers::sig_term> (this); |
468 |
} |
469 |
} sig_handlers; |
470 |
|
471 |
void |
472 |
sig_handlers::sig_term (ev::sig &w, int revents) |
473 |
{ |
474 |
rxvt_emergency_cleanup (); |
475 |
w.stop (); |
476 |
kill (getpid (), w.signum); |
477 |
} |
478 |
|
479 |
char **rxvt_environ; // startup environment |
480 |
|
481 |
void |
482 |
rxvt_init () |
483 |
{ |
484 |
assert (("fontMask must not overlap other RS masks", |
485 |
0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask)))); |
486 |
|
487 |
ptytty::init (); |
488 |
|
489 |
if (!ev_default_loop (0)) |
490 |
rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n"); |
491 |
|
492 |
rxvt_environ = environ; |
493 |
|
494 |
signal (SIGHUP, SIG_IGN); |
495 |
signal (SIGPIPE, SIG_IGN); |
496 |
|
497 |
sig_handlers.sw_term.start (SIGTERM); ev_unref (); |
498 |
sig_handlers.sw_int.start (SIGINT); ev_unref (); |
499 |
|
500 |
old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler); |
501 |
// TODO: handle this with exceptions and tolerate the memory loss |
502 |
XSetIOErrorHandler (rxvt_xioerror_handler); |
503 |
|
504 |
XrmInitialize (); |
505 |
} |
506 |
|
507 |
/*----------------------------------------------------------------------*/ |
508 |
/* |
509 |
* window size/position calculations for XSizeHint and other storage. |
510 |
* if width/height are non-zero then override calculated width/height |
511 |
*/ |
512 |
void |
513 |
rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight) |
514 |
{ |
515 |
short recalc_x, recalc_y; |
516 |
int x, y, flags; |
517 |
unsigned int w, h; |
518 |
unsigned int max_width, max_height; |
519 |
|
520 |
szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; |
521 |
szHint.win_gravity = NorthWestGravity; |
522 |
/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */ |
523 |
|
524 |
recalc_x = recalc_y = 0; |
525 |
flags = 0; |
526 |
|
527 |
if (!parsed_geometry) |
528 |
{ |
529 |
parsed_geometry = 1; |
530 |
|
531 |
if (rs[Rs_geometry]) |
532 |
flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h); |
533 |
|
534 |
if (flags & WidthValue) |
535 |
{ |
536 |
if (!w) |
537 |
rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n"); |
538 |
|
539 |
ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ()); |
540 |
szHint.flags |= USSize; |
541 |
} |
542 |
|
543 |
if (flags & HeightValue) |
544 |
{ |
545 |
if (!h) |
546 |
rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n"); |
547 |
|
548 |
nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ()); |
549 |
szHint.flags |= USSize; |
550 |
} |
551 |
|
552 |
if (flags & XValue) |
553 |
{ |
554 |
szHint.x = x; |
555 |
szHint.flags |= USPosition; |
556 |
|
557 |
if (flags & XNegative) |
558 |
{ |
559 |
recalc_x = 1; |
560 |
szHint.win_gravity = NorthEastGravity; |
561 |
} |
562 |
} |
563 |
|
564 |
if (flags & YValue) |
565 |
{ |
566 |
szHint.y = y; |
567 |
szHint.flags |= USPosition; |
568 |
|
569 |
if (flags & YNegative) |
570 |
{ |
571 |
recalc_y = 1; |
572 |
|
573 |
if (szHint.win_gravity == NorthEastGravity) |
574 |
szHint.win_gravity = SouthEastGravity; |
575 |
else |
576 |
szHint.win_gravity = SouthWestGravity; |
577 |
} |
578 |
} |
579 |
} |
580 |
|
581 |
/* TODO: BOUNDS */ |
582 |
width = ncol * fwidth; |
583 |
height = nrow * fheight; |
584 |
max_width = MAX_COLS * fwidth; |
585 |
max_height = MAX_ROWS * fheight; |
586 |
|
587 |
szHint.base_width = szHint.base_height = 2 * int_bwidth; |
588 |
|
589 |
window_vt_x = window_vt_y = int_bwidth; |
590 |
|
591 |
if (scrollBar.state) |
592 |
{ |
593 |
int sb_w = scrollBar.total_width (); |
594 |
szHint.base_width += sb_w; |
595 |
|
596 |
if (!option (Opt_scrollBar_right)) |
597 |
window_vt_x += sb_w; |
598 |
} |
599 |
|
600 |
szHint.width_inc = fwidth; |
601 |
szHint.height_inc = fheight; |
602 |
szHint.min_width = szHint.base_width + szHint.width_inc; |
603 |
szHint.min_height = szHint.base_height + szHint.height_inc; |
604 |
|
605 |
if (newwidth && newwidth - szHint.base_width < max_width) |
606 |
{ |
607 |
szHint.width = newwidth; |
608 |
width = newwidth - szHint.base_width; |
609 |
} |
610 |
else |
611 |
{ |
612 |
min_it (width, max_width); |
613 |
szHint.width = szHint.base_width + width; |
614 |
} |
615 |
|
616 |
if (newheight && newheight - szHint.base_height < max_height) |
617 |
{ |
618 |
szHint.height = newheight; |
619 |
height = newheight - szHint.base_height; |
620 |
} |
621 |
else |
622 |
{ |
623 |
min_it (height, max_height); |
624 |
szHint.height = szHint.base_height + height; |
625 |
} |
626 |
|
627 |
if (recalc_x) |
628 |
szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth; |
629 |
|
630 |
if (recalc_y) |
631 |
szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth; |
632 |
|
633 |
ncol = width / fwidth; |
634 |
nrow = height / fheight; |
635 |
} |
636 |
|
637 |
/*----------------------------------------------------------------------*/ |
638 |
/* |
639 |
* Tell the teletype handler what size the window is. |
640 |
* Called after a window size change. |
641 |
*/ |
642 |
void |
643 |
rxvt_term::tt_winch () |
644 |
{ |
645 |
if (pty->pty < 0) |
646 |
return; |
647 |
|
648 |
struct winsize ws; |
649 |
|
650 |
ws.ws_col = ncol; |
651 |
ws.ws_row = nrow; |
652 |
ws.ws_xpixel = width; |
653 |
ws.ws_ypixel = height; |
654 |
ioctl (pty->pty, TIOCSWINSZ, &ws); |
655 |
|
656 |
#if 0 |
657 |
// TIOCSWINSZ is supposed to do this automatically and correctly |
658 |
if (cmd_pid) /* force through to the command */ |
659 |
kill (-cmd_pid, SIGWINCH); |
660 |
#endif |
661 |
} |
662 |
|
663 |
/*----------------------------------------------------------------------*/ |
664 |
/* set_fonts () - load and set the various fonts |
665 |
* |
666 |
* init = 1 - initialize |
667 |
* |
668 |
* fontname == FONT_UP - switch to bigger font |
669 |
* fontname == FONT_DN - switch to smaller font |
670 |
*/ |
671 |
bool |
672 |
rxvt_term::set_fonts () |
673 |
{ |
674 |
rxvt_fontset *fs = new rxvt_fontset (this); |
675 |
rxvt_fontprop prop; |
676 |
|
677 |
if (!fs |
678 |
|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed") |
679 |
|| !fs->realize_font (1)) |
680 |
{ |
681 |
delete fs; |
682 |
return false; |
683 |
} |
684 |
|
685 |
#if ENABLE_STYLES |
686 |
for (int i = RS_styleCount; --i; ) |
687 |
if (fontset[i] != fontset[0]) |
688 |
delete fontset[i]; |
689 |
#endif |
690 |
|
691 |
delete fontset[0]; |
692 |
fontset[0] = fs; |
693 |
|
694 |
prop = (*fs)[rxvt_fontset::firstFont]->properties (); |
695 |
prop.height += lineSpace; |
696 |
prop.width += letterSpace; |
697 |
|
698 |
fs->set_prop (prop, false); |
699 |
|
700 |
fwidth = prop.width; |
701 |
fheight = prop.height; |
702 |
fbase = prop.ascent; |
703 |
|
704 |
for (int style = 1; style < 4; style++) |
705 |
{ |
706 |
#if ENABLE_STYLES |
707 |
const char *res = rs[Rs_font + style]; |
708 |
|
709 |
if (res && !*res) |
710 |
fontset[style] = fontset[0]; |
711 |
else |
712 |
{ |
713 |
fontset[style] = fs = new rxvt_fontset (this); |
714 |
rxvt_fontprop prop2 = prop; |
715 |
|
716 |
if (res) |
717 |
{ |
718 |
fs->populate (res); |
719 |
fs->set_prop (prop2, false); |
720 |
} |
721 |
else |
722 |
{ |
723 |
fs->populate (fontset[0]->fontdesc); |
724 |
|
725 |
if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold; |
726 |
if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic; |
727 |
|
728 |
fs->set_prop (prop2, true); |
729 |
} |
730 |
|
731 |
} |
732 |
#else |
733 |
fontset[style] = fontset[0]; |
734 |
#endif |
735 |
} |
736 |
|
737 |
if (parent[0]) |
738 |
{ |
739 |
resize_all_windows (0, 0, 0); |
740 |
scr_remap_chars (); |
741 |
scr_touch (true); |
742 |
} |
743 |
|
744 |
return true; |
745 |
} |
746 |
|
747 |
void |
748 |
rxvt_term::set_string_property (Atom prop, const char *str, int len) |
749 |
{ |
750 |
XChangeProperty (dpy, parent[0], |
751 |
prop, XA_STRING, 8, PropModeReplace, |
752 |
(const unsigned char *)str, len >= 0 ? len : strlen (str)); |
753 |
} |
754 |
|
755 |
void |
756 |
rxvt_term::set_mbstring_property (Atom prop, const char *str, int len) |
757 |
{ |
758 |
XTextProperty ct; |
759 |
|
760 |
if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0) |
761 |
{ |
762 |
XSetTextProperty (dpy, parent[0], &ct, prop); |
763 |
XFree (ct.value); |
764 |
} |
765 |
} |
766 |
|
767 |
void |
768 |
rxvt_term::set_utf8_property (Atom prop, const char *str, int len) |
769 |
{ |
770 |
wchar_t *ws = rxvt_mbstowcs (str, len); |
771 |
char *s = rxvt_wcstoutf8 (ws); |
772 |
|
773 |
XChangeProperty (dpy, parent[0], |
774 |
prop, xa[XA_UTF8_STRING], 8, PropModeReplace, |
775 |
(const unsigned char *)s, strlen (s)); |
776 |
|
777 |
free (s); |
778 |
free (ws); |
779 |
} |
780 |
|
781 |
/*----------------------------------------------------------------------*/ |
782 |
/*----------------------------------------------------------------------*/ |
783 |
/* xterm sequences - title, iconName, color (exptl) */ |
784 |
void |
785 |
rxvt_term::set_title (const char *str) |
786 |
{ |
787 |
set_mbstring_property (XA_WM_NAME, str); |
788 |
#if ENABLE_EWMH |
789 |
set_utf8_property (xa[XA_NET_WM_NAME], str); |
790 |
#endif |
791 |
} |
792 |
|
793 |
void |
794 |
rxvt_term::set_icon_name (const char *str) |
795 |
{ |
796 |
set_mbstring_property (XA_WM_ICON_NAME, str); |
797 |
#if ENABLE_EWMH |
798 |
set_utf8_property (xa[XA_NET_WM_ICON_NAME], str); |
799 |
#endif |
800 |
} |
801 |
|
802 |
void |
803 |
rxvt_term::set_window_color (int idx, const char *color) |
804 |
{ |
805 |
#ifdef XTERM_COLOR_CHANGE |
806 |
rxvt_color xcol; |
807 |
|
808 |
if (color == NULL || *color == '\0') |
809 |
return; |
810 |
|
811 |
color = strdup (color); |
812 |
allocated.push_back ((void *)color); |
813 |
rs[Rs_color + idx] = color; |
814 |
|
815 |
/* handle color aliases */ |
816 |
if (isdigit (*color)) |
817 |
{ |
818 |
int i = atoi (color); |
819 |
|
820 |
if (i >= 8 && i <= 15) |
821 |
{ |
822 |
/* bright colors */ |
823 |
pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8]; |
824 |
goto done; |
825 |
} |
826 |
|
827 |
if (i >= 0 && i <= 7) |
828 |
{ |
829 |
/* normal colors */ |
830 |
pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i]; |
831 |
goto done; |
832 |
} |
833 |
} |
834 |
|
835 |
set_color (xcol, color); |
836 |
|
837 |
/* |
838 |
* FIXME: should free colors here, but no idea how to do it so instead, |
839 |
* so just keep gobbling up the colormap |
840 |
*/ |
841 |
|
842 |
pix_colors_focused[idx] = xcol; |
843 |
|
844 |
done: |
845 |
/*TODO: handle Color_BD, scrollbar background, etc. */ |
846 |
|
847 |
update_fade_color (idx); |
848 |
recolour_cursor (); |
849 |
scr_recolour (); |
850 |
#endif /* XTERM_COLOR_CHANGE */ |
851 |
} |
852 |
|
853 |
void |
854 |
rxvt_term::recolour_cursor () |
855 |
{ |
856 |
XColor fg, bg; |
857 |
|
858 |
(ISSET_PIXCOLOR (Color_pointer_fg) |
859 |
? pix_colors_focused[Color_pointer_fg] |
860 |
: pix_colors_focused[Color_fg]).get (fg); |
861 |
|
862 |
(ISSET_PIXCOLOR (Color_pointer_bg) |
863 |
? pix_colors_focused[Color_pointer_bg] |
864 |
: pix_colors_focused[Color_bg]).get (bg); |
865 |
|
866 |
XRecolorCursor (dpy, TermWin_cursor, &fg, &bg); |
867 |
} |
868 |
|
869 |
/*----------------------------------------------------------------------*/ |
870 |
/* |
871 |
* find if fg/bg matches any of the normal (low-intensity) colors |
872 |
*/ |
873 |
void |
874 |
rxvt_term::set_colorfgbg () |
875 |
{ |
876 |
unsigned int i; |
877 |
const char *xpmb = ""; |
878 |
char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1]; |
879 |
|
880 |
strcpy (fstr, "default"); |
881 |
strcpy (bstr, "default"); |
882 |
for (i = Color_Black; i <= Color_White; i++) |
883 |
if (pix_colors[Color_fg] == pix_colors[i]) |
884 |
{ |
885 |
sprintf (fstr, "%d", (i - Color_Black)); |
886 |
break; |
887 |
} |
888 |
|
889 |
for (i = Color_Black; i <= Color_White; i++) |
890 |
if (pix_colors[Color_bg] == pix_colors[i]) |
891 |
{ |
892 |
sprintf (bstr, "%d", (i - Color_Black)); |
893 |
#ifdef BG_IMAGE_FROM_FILE |
894 |
xpmb = "default;"; |
895 |
#endif |
896 |
break; |
897 |
} |
898 |
|
899 |
sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); |
900 |
} |
901 |
|
902 |
/*----------------------------------------------------------------------*/ |
903 |
|
904 |
bool |
905 |
rxvt_term::set_color (rxvt_color &color, const char *name) |
906 |
{ |
907 |
if (color.set (this, name)) |
908 |
return true; |
909 |
|
910 |
rxvt_warn ("can't get colour '%s', continuing without.\n", name); |
911 |
return false; |
912 |
} |
913 |
|
914 |
void |
915 |
rxvt_term::alias_color (int dst, int src) |
916 |
{ |
917 |
pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]); |
918 |
} |
919 |
|
920 |
/* -------------------------------------------------------------------- * |
921 |
* - WINDOW RESIZING - * |
922 |
* -------------------------------------------------------------------- */ |
923 |
void |
924 |
rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent) |
925 |
{ |
926 |
int fix_screen; |
927 |
int old_width = szHint.width; |
928 |
int old_height = szHint.height; |
929 |
|
930 |
window_calc (newwidth, newheight); |
931 |
|
932 |
bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)); |
933 |
|
934 |
// to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow |
935 |
if (set_hint) |
936 |
{ |
937 |
szHint.flags &= ~(PBaseSize | PResizeInc); |
938 |
XSetWMNormalHints (dpy, parent[0], &szHint); |
939 |
szHint.flags |= PBaseSize | PResizeInc; |
940 |
} |
941 |
|
942 |
if (!ignoreparent) |
943 |
{ |
944 |
#ifdef SMART_RESIZE |
945 |
/* |
946 |
* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> |
947 |
* reposition window on resize depending on placement on screen |
948 |
*/ |
949 |
int x, y, x1, y1; |
950 |
int dx, dy; |
951 |
unsigned int unused_w1, unused_h1, unused_b1, unused_d1; |
952 |
Window unused_cr; |
953 |
|
954 |
XTranslateCoordinates (dpy, parent[0], display->root, |
955 |
0, 0, &x, &y, &unused_cr); |
956 |
XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1, |
957 |
&unused_w1, &unused_h1, &unused_b1, &unused_d1); |
958 |
/* |
959 |
* if display->root isn't the parent window, a WM will probably have offset |
960 |
* our position for handles and decorations. Counter it |
961 |
*/ |
962 |
if (x1 != x || y1 != y) |
963 |
{ |
964 |
x -= x1; |
965 |
y -= y1; |
966 |
} |
967 |
|
968 |
x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2; |
969 |
y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2; |
970 |
dx = old_width - szHint.width; |
971 |
dy = old_height - szHint.height; |
972 |
|
973 |
/* Check position of the center of the window */ |
974 |
if (x < x1) /* left half */ |
975 |
dx = 0; |
976 |
else if (x == x1) /* exact center */ |
977 |
dx /= 2; |
978 |
if (y < y1) /* top half */ |
979 |
dy = 0; |
980 |
else if (y == y1) /* exact center */ |
981 |
dy /= 2; |
982 |
|
983 |
XMoveResizeWindow (dpy, parent[0], x + dx, y + dy, |
984 |
szHint.width, szHint.height); |
985 |
#else |
986 |
XResizeWindow (dpy, parent[0], szHint.width, szHint.height); |
987 |
#endif |
988 |
} |
989 |
|
990 |
if (set_hint) |
991 |
XSetWMNormalHints (dpy, parent[0], &szHint); |
992 |
|
993 |
fix_screen = ncol != prev_ncol || nrow != prev_nrow; |
994 |
|
995 |
if (fix_screen || newwidth != old_width || newheight != old_height) |
996 |
{ |
997 |
if (scrollBar.state) |
998 |
scrollBar.resize (); |
999 |
|
1000 |
XMoveResizeWindow (dpy, vt, |
1001 |
window_vt_x, window_vt_y, |
1002 |
width, height); |
1003 |
|
1004 |
#ifdef HAVE_BG_PIXMAP |
1005 |
if (bgPixmap.window_size_sensitive ()) |
1006 |
update_background (); |
1007 |
#endif |
1008 |
} |
1009 |
|
1010 |
if (fix_screen || old_height == 0) |
1011 |
scr_reset (); |
1012 |
|
1013 |
#ifdef HAVE_BG_PIXMAP |
1014 |
// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ? |
1015 |
// if (bgPixmap.pixmap) |
1016 |
// scr_touch (false); |
1017 |
#endif |
1018 |
|
1019 |
#ifdef USE_XIM |
1020 |
IMSetPosition (); |
1021 |
#endif |
1022 |
} |
1023 |
|
1024 |
/* |
1025 |
* Set the width/height of the vt window in characters. Units are pixels. |
1026 |
* good for toggling 80/132 columns |
1027 |
*/ |
1028 |
void |
1029 |
rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight) |
1030 |
{ |
1031 |
XWindowAttributes wattr; |
1032 |
|
1033 |
if (newwidth == 0 || newheight == 0) |
1034 |
{ |
1035 |
XGetWindowAttributes (dpy, display->root, &wattr); |
1036 |
|
1037 |
if (newwidth == 0) |
1038 |
newwidth = wattr.width - szHint.base_width; |
1039 |
if (newheight == 0) |
1040 |
newheight = wattr.height - szHint.base_height; |
1041 |
} |
1042 |
|
1043 |
if (newwidth != width || newheight != height) |
1044 |
{ |
1045 |
newwidth += szHint.base_width; |
1046 |
newheight += szHint.base_height; |
1047 |
resize_all_windows (newwidth, newheight, 0); |
1048 |
} |
1049 |
} |
1050 |
|
1051 |
/* -------------------------------------------------------------------- * |
1052 |
* - X INPUT METHOD ROUTINES - * |
1053 |
* -------------------------------------------------------------------- */ |
1054 |
#ifdef USE_XIM |
1055 |
|
1056 |
void |
1057 |
rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg) |
1058 |
{ |
1059 |
fg = pix_colors [Color_fg]; |
1060 |
bg = pix_colors [Color_bg]; |
1061 |
} |
1062 |
|
1063 |
void |
1064 |
rxvt_term::im_set_size (XRectangle &size) |
1065 |
{ |
1066 |
// the int_bwidth terms make no sense to me |
1067 |
size.x = int_bwidth; |
1068 |
size.y = int_bwidth; |
1069 |
size.width = Width2Pixel (ncol) + int_bwidth; |
1070 |
size.height = Height2Pixel (nrow) + int_bwidth; |
1071 |
} |
1072 |
|
1073 |
void |
1074 |
rxvt_term::im_set_preedit_area (XRectangle &preedit_rect, |
1075 |
XRectangle &status_rect, |
1076 |
const XRectangle &needed_rect) |
1077 |
{ |
1078 |
preedit_rect.x = needed_rect.width; |
1079 |
preedit_rect.y = 0; |
1080 |
preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1; |
1081 |
preedit_rect.height = fheight; |
1082 |
|
1083 |
status_rect.x = 0; |
1084 |
status_rect.y = 0; |
1085 |
status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1; |
1086 |
status_rect.height = fheight; |
1087 |
} |
1088 |
|
1089 |
/* Checking whether input method is running. */ |
1090 |
bool |
1091 |
rxvt_term::IMisRunning () |
1092 |
{ |
1093 |
Atom atom; |
1094 |
Window win; |
1095 |
char server[IMBUFSIZ]; |
1096 |
|
1097 |
/* get current locale modifier */ |
1098 |
if (char *p = XSetLocaleModifiers (0)) |
1099 |
{ |
1100 |
strcpy (server, "@server="); |
1101 |
strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */ |
1102 |
|
1103 |
if (p = strchr (server + 1, '@')) /* first one only */ |
1104 |
*p = '\0'; |
1105 |
|
1106 |
atom = XInternAtom (dpy, server, False); |
1107 |
win = XGetSelectionOwner (dpy, atom); |
1108 |
|
1109 |
if (win != None) |
1110 |
return True; |
1111 |
} |
1112 |
|
1113 |
return False; |
1114 |
} |
1115 |
|
1116 |
void |
1117 |
rxvt_term::IMSendSpot () |
1118 |
{ |
1119 |
XPoint nspot; |
1120 |
XVaNestedList preedit_attr; |
1121 |
|
1122 |
if (!Input_Context |
1123 |
|| !focus |
1124 |
|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks))) |
1125 |
return; |
1126 |
|
1127 |
im_set_position (nspot); |
1128 |
|
1129 |
if (nspot.x == spot.x && nspot.y == spot.y) |
1130 |
return; |
1131 |
|
1132 |
spot = nspot; |
1133 |
|
1134 |
preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL); |
1135 |
XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL); |
1136 |
XFree (preedit_attr); |
1137 |
} |
1138 |
|
1139 |
void |
1140 |
rxvt_term::im_destroy () |
1141 |
{ |
1142 |
if (input_method) |
1143 |
{ |
1144 |
if (Input_Context && input_method->xim) |
1145 |
XDestroyIC (Input_Context); |
1146 |
|
1147 |
display->put_xim (input_method); |
1148 |
input_method = 0; |
1149 |
} |
1150 |
|
1151 |
Input_Context = 0; |
1152 |
} |
1153 |
|
1154 |
#ifdef ENABLE_XIM_ONTHESPOT |
1155 |
|
1156 |
static void |
1157 |
xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data) |
1158 |
{ |
1159 |
((rxvt_term *)client_data)->make_current (); |
1160 |
HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END)); |
1161 |
} |
1162 |
|
1163 |
static void |
1164 |
xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data) |
1165 |
{ |
1166 |
((rxvt_term *)client_data)->make_current (); |
1167 |
HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END)); |
1168 |
} |
1169 |
|
1170 |
static void |
1171 |
xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data) |
1172 |
{ |
1173 |
rxvt_term *term = (rxvt_term *)client_data; |
1174 |
XIMText *text = call_data->text; |
1175 |
|
1176 |
term->make_current (); |
1177 |
|
1178 |
if (text) |
1179 |
{ |
1180 |
wchar_t *str; |
1181 |
|
1182 |
if (!text->encoding_is_wchar && text->string.multi_byte) |
1183 |
{ |
1184 |
// of course, X makes it ugly again |
1185 |
if (term->rs[Rs_imLocale]) |
1186 |
SET_LOCALE (term->rs[Rs_imLocale]); |
1187 |
|
1188 |
str = rxvt_temp_buf<wchar_t> (text->length + 1); |
1189 |
mbstowcs (str, text->string.multi_byte, text->length + 1); |
1190 |
|
1191 |
if (term->rs[Rs_imLocale]) |
1192 |
SET_LOCALE (term->locale); |
1193 |
} |
1194 |
else |
1195 |
str = text->string.wide_char; |
1196 |
|
1197 |
HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW, |
1198 |
DT_INT, call_data->caret, |
1199 |
DT_INT, call_data->chg_first, |
1200 |
DT_INT, call_data->chg_length, |
1201 |
DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0, |
1202 |
DT_WCS_LEN, str, str ? (int)text->length : 0, |
1203 |
DT_END)); |
1204 |
} |
1205 |
else |
1206 |
HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW, |
1207 |
DT_INT, call_data->caret, |
1208 |
DT_INT, call_data->chg_first, |
1209 |
DT_INT, call_data->chg_length, |
1210 |
DT_END)); |
1211 |
} |
1212 |
|
1213 |
#if 0 |
1214 |
static void |
1215 |
xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data) |
1216 |
{ |
1217 |
((rxvt_term *)client_data)->make_current (); |
1218 |
HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET, |
1219 |
DT_INT, call_data->position, |
1220 |
DT_INT, call_data->direction, |
1221 |
DT_INT, call_data->style, |
1222 |
DT_END)); |
1223 |
} |
1224 |
#endif |
1225 |
|
1226 |
#endif |
1227 |
|
1228 |
/* |
1229 |
* Try to open a XIM with the current modifiers, then see if we can |
1230 |
* open a suitable preedit type |
1231 |
*/ |
1232 |
bool |
1233 |
rxvt_term::IM_get_IC (const char *modifiers) |
1234 |
{ |
1235 |
int i, j, found; |
1236 |
XIM xim; |
1237 |
XPoint spot; |
1238 |
XRectangle rect, status_rect, needed_rect; |
1239 |
unsigned long fg, bg; |
1240 |
const char *p; |
1241 |
char **s; |
1242 |
XIMStyles *xim_styles; |
1243 |
#ifdef ENABLE_XIM_ONTHESPOT |
1244 |
XIMCallback xcb[4]; |
1245 |
#endif |
1246 |
|
1247 |
set_environ (envv); |
1248 |
|
1249 |
if (! ((p = XSetLocaleModifiers (modifiers)) && *p)) |
1250 |
return false; |
1251 |
|
1252 |
input_method = display->get_xim (locale, modifiers); |
1253 |
if (input_method == NULL) |
1254 |
return false; |
1255 |
|
1256 |
xim = input_method->xim; |
1257 |
spot.x = spot.y = -1; |
1258 |
|
1259 |
xim_styles = NULL; |
1260 |
if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL) |
1261 |
|| !xim_styles || !xim_styles->count_styles) |
1262 |
{ |
1263 |
im_destroy (); |
1264 |
return false; |
1265 |
} |
1266 |
|
1267 |
const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" }; |
1268 |
|
1269 |
for (int pi = 0; pi < 2; pi++) |
1270 |
{ |
1271 |
p = pet[pi]; |
1272 |
|
1273 |
if (!p) |
1274 |
continue; |
1275 |
|
1276 |
s = rxvt_splitcommastring (p); |
1277 |
|
1278 |
for (i = found = 0; !found && s[i]; i++) |
1279 |
{ |
1280 |
if (!strcmp (s[i], "OverTheSpot")) |
1281 |
input_style = XIMPreeditPosition | XIMStatusNothing; |
1282 |
else if (!strcmp (s[i], "OffTheSpot")) |
1283 |
input_style = XIMPreeditArea | XIMStatusArea; |
1284 |
else if (!strcmp (s[i], "Root")) |
1285 |
input_style = XIMPreeditNothing | XIMStatusNothing; |
1286 |
else if (!strcmp (s[i], "None")) |
1287 |
input_style = XIMPreeditNone | XIMStatusNone; |
1288 |
#ifdef ENABLE_XIM_ONTHESPOT |
1289 |
else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot")) |
1290 |
input_style = XIMPreeditCallbacks | XIMStatusNothing; |
1291 |
#endif |
1292 |
else |
1293 |
input_style = XIMPreeditNothing | XIMStatusNothing; |
1294 |
|
1295 |
for (j = 0; j < xim_styles->count_styles; j++) |
1296 |
if (input_style == xim_styles->supported_styles[j]) |
1297 |
{ |
1298 |
rxvt_freecommastring (s); |
1299 |
|
1300 |
found = 1; |
1301 |
goto foundpet; |
1302 |
} |
1303 |
|
1304 |
} |
1305 |
|
1306 |
rxvt_freecommastring (s); |
1307 |
} |
1308 |
|
1309 |
foundpet: |
1310 |
|
1311 |
XFree (xim_styles); |
1312 |
|
1313 |
if (!found) |
1314 |
{ |
1315 |
im_destroy (); |
1316 |
return false; |
1317 |
} |
1318 |
|
1319 |
XFontSet fs = 0; |
1320 |
XVaNestedList preedit_attr = 0, status_attr = 0; |
1321 |
|
1322 |
if (input_style & (XIMPreeditPosition | XIMPreeditArea)) |
1323 |
{ |
1324 |
// fake us a font-set, please |
1325 |
char **missing_charset_list; |
1326 |
int missing_charset_count; |
1327 |
char *def_string; |
1328 |
char pat[512]; |
1329 |
|
1330 |
sprintf (pat, |
1331 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1332 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1333 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1334 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1335 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1336 |
"*", |
1337 |
fheight, |
1338 |
fheight + 1, fheight - 1, |
1339 |
fheight - 2, fheight + 2); |
1340 |
|
1341 |
fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat, |
1342 |
&missing_charset_list, &missing_charset_count, &def_string); |
1343 |
|
1344 |
if (missing_charset_list) |
1345 |
XFreeStringList (missing_charset_list); |
1346 |
|
1347 |
if (!fs) |
1348 |
{ |
1349 |
input_style &= ~(XIMPreeditPosition | XIMPreeditArea); |
1350 |
rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n"); |
1351 |
} |
1352 |
} |
1353 |
|
1354 |
if (input_style & XIMPreeditPosition) |
1355 |
{ |
1356 |
im_set_size (rect); |
1357 |
im_set_position (spot); |
1358 |
im_set_color (fg, bg); |
1359 |
|
1360 |
preedit_attr = XVaCreateNestedList (0, |
1361 |
XNForeground, fg, |
1362 |
XNBackground, bg, |
1363 |
XNArea, &rect, |
1364 |
XNSpotLocation, &spot, |
1365 |
XNFontSet, fs, |
1366 |
NULL); |
1367 |
} |
1368 |
else if (input_style & XIMPreeditArea) |
1369 |
{ |
1370 |
im_set_color (fg, bg); |
1371 |
|
1372 |
/* |
1373 |
* The necessary width of preedit area is unknown |
1374 |
* until create input context. |
1375 |
*/ |
1376 |
needed_rect.width = 0; |
1377 |
im_set_preedit_area (rect, status_rect, needed_rect); |
1378 |
|
1379 |
preedit_attr = XVaCreateNestedList (0, |
1380 |
XNForeground, fg, |
1381 |
XNBackground, bg, |
1382 |
XNArea, &rect, |
1383 |
XNFontSet, fs, |
1384 |
NULL); |
1385 |
status_attr = XVaCreateNestedList (0, |
1386 |
XNForeground, fg, |
1387 |
XNBackground, bg, |
1388 |
XNArea, &status_rect, |
1389 |
XNFontSet, fs, |
1390 |
NULL); |
1391 |
} |
1392 |
#if ENABLE_XIM_ONTHESPOT |
1393 |
else if (input_style & XIMPreeditCallbacks) |
1394 |
{ |
1395 |
im_set_position (spot); |
1396 |
|
1397 |
xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start; |
1398 |
xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done; |
1399 |
xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw; |
1400 |
# if 0 |
1401 |
xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret; |
1402 |
# endif |
1403 |
|
1404 |
preedit_attr = XVaCreateNestedList (0, |
1405 |
XNSpotLocation, &spot, |
1406 |
XNPreeditStartCallback, &xcb[0], |
1407 |
XNPreeditDoneCallback , &xcb[1], |
1408 |
XNPreeditDrawCallback , &xcb[2], |
1409 |
# if 0 |
1410 |
XNPreeditCaretCallback, &xcb[3], |
1411 |
# endif |
1412 |
NULL); |
1413 |
} |
1414 |
#endif |
1415 |
|
1416 |
Input_Context = XCreateIC (xim, |
1417 |
XNInputStyle, input_style, |
1418 |
XNClientWindow, vt, |
1419 |
XNFocusWindow, parent[0], |
1420 |
preedit_attr ? XNPreeditAttributes : NULL, |
1421 |
preedit_attr, |
1422 |
status_attr ? XNStatusAttributes : NULL, |
1423 |
status_attr, NULL); |
1424 |
|
1425 |
if (preedit_attr) XFree (preedit_attr); |
1426 |
if (status_attr) XFree (status_attr); |
1427 |
if (fs) XFreeFontSet (dpy, fs); |
1428 |
|
1429 |
if (Input_Context == NULL) |
1430 |
{ |
1431 |
rxvt_warn ("failed to create input context, continuing without XIM.\n"); |
1432 |
im_destroy (); |
1433 |
return false; |
1434 |
} |
1435 |
|
1436 |
#if 0 |
1437 |
// unfortunately, only the focus window is used by XIM, hard to fix |
1438 |
if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL)) |
1439 |
vt_select_input (); |
1440 |
#endif |
1441 |
|
1442 |
IMSetPosition (); |
1443 |
|
1444 |
return true; |
1445 |
} |
1446 |
|
1447 |
void |
1448 |
rxvt_term::im_cb () |
1449 |
{ |
1450 |
int i; |
1451 |
const char *p; |
1452 |
char **s; |
1453 |
char buf[IMBUFSIZ]; |
1454 |
|
1455 |
make_current (); |
1456 |
|
1457 |
im_destroy (); |
1458 |
|
1459 |
if (Input_Context) |
1460 |
return; |
1461 |
|
1462 |
#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE) |
1463 |
if (rs[Rs_imLocale]) |
1464 |
SET_LOCALE (rs[Rs_imLocale]); |
1465 |
#endif |
1466 |
|
1467 |
p = rs[Rs_inputMethod]; |
1468 |
if (p && *p) |
1469 |
{ |
1470 |
bool found = false; |
1471 |
|
1472 |
s = rxvt_splitcommastring (p); |
1473 |
|
1474 |
for (i = 0; s[i]; i++) |
1475 |
{ |
1476 |
if (*s[i]) |
1477 |
{ |
1478 |
strcpy (buf, "@im="); |
1479 |
strncat (buf, s[i], IMBUFSIZ - 5); |
1480 |
if (IM_get_IC (buf)) |
1481 |
{ |
1482 |
found = true; |
1483 |
break; |
1484 |
} |
1485 |
} |
1486 |
} |
1487 |
|
1488 |
rxvt_freecommastring (s); |
1489 |
|
1490 |
if (found) |
1491 |
goto done; |
1492 |
} |
1493 |
|
1494 |
/* try with XMODIFIERS env. var. */ |
1495 |
if (IM_get_IC ("")) |
1496 |
goto done; |
1497 |
|
1498 |
/* try with no modifiers base IF the user didn't specify an IM */ |
1499 |
if (IM_get_IC ("@im=none")) |
1500 |
goto done; |
1501 |
|
1502 |
done: |
1503 |
#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE) |
1504 |
if (rs[Rs_imLocale]) |
1505 |
SET_LOCALE (locale); |
1506 |
#endif |
1507 |
} |
1508 |
|
1509 |
void |
1510 |
rxvt_term::IMSetPosition () |
1511 |
{ |
1512 |
XRectangle preedit_rect, status_rect, *needed_rect; |
1513 |
XVaNestedList preedit_attr, status_attr; |
1514 |
|
1515 |
if (!Input_Context |
1516 |
|| !focus |
1517 |
|| !(input_style & (XIMPreeditArea | XIMPreeditPosition)) |
1518 |
|| !IMisRunning ()) |
1519 |
return; |
1520 |
|
1521 |
if (input_style & XIMPreeditPosition) |
1522 |
{ |
1523 |
im_set_size (preedit_rect); |
1524 |
preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL); |
1525 |
|
1526 |
XSetICValues (Input_Context, |
1527 |
XNPreeditAttributes, preedit_attr, NULL); |
1528 |
} |
1529 |
else |
1530 |
{ |
1531 |
/* Getting the necessary width of preedit area */ |
1532 |
status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL); |
1533 |
XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL); |
1534 |
XFree (status_attr); |
1535 |
|
1536 |
im_set_preedit_area (preedit_rect, status_rect, *needed_rect); |
1537 |
XFree (needed_rect); |
1538 |
|
1539 |
preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL); |
1540 |
status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL); |
1541 |
|
1542 |
XSetICValues (Input_Context, |
1543 |
XNPreeditAttributes, preedit_attr, |
1544 |
XNStatusAttributes, status_attr, |
1545 |
NULL); |
1546 |
|
1547 |
XFree (status_attr); |
1548 |
} |
1549 |
|
1550 |
XFree (preedit_attr); |
1551 |
} |
1552 |
#endif /* USE_XIM */ |
1553 |
|
1554 |
void |
1555 |
rxvt_term::get_window_origin (int &x, int &y) |
1556 |
{ |
1557 |
Window cr; |
1558 |
XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr); |
1559 |
/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/ |
1560 |
} |
1561 |
|
1562 |
Pixmap |
1563 |
rxvt_term::get_pixmap_property (int prop_id) |
1564 |
{ |
1565 |
if (prop_id > 0 && prop_id < NUM_XA) |
1566 |
if (xa[prop_id]) |
1567 |
{ |
1568 |
int aformat; |
1569 |
unsigned long nitems, bytes_after; |
1570 |
Atom atype; |
1571 |
unsigned char *prop = NULL; |
1572 |
int result = XGetWindowProperty (dpy, display->root, xa[prop_id], |
1573 |
0L, 1L, False, XA_PIXMAP, &atype, &aformat, |
1574 |
&nitems, &bytes_after, &prop); |
1575 |
if (result == Success && prop && atype == XA_PIXMAP) |
1576 |
return *(Pixmap *)prop; |
1577 |
} |
1578 |
|
1579 |
return None; |
1580 |
} |
1581 |
|
1582 |
#ifdef HAVE_BG_PIXMAP |
1583 |
# if TRACE_PIXMAPS |
1584 |
# undef update_background |
1585 |
void |
1586 |
rxvt_term::trace_update_background (const char *file, int line) |
1587 |
{ |
1588 |
fprintf (stderr, "%s:%d:update_background()\n", file, line); |
1589 |
update_background (); |
1590 |
} |
1591 |
# endif |
1592 |
|
1593 |
void |
1594 |
rxvt_term::update_background () |
1595 |
{ |
1596 |
if (update_background_ev.is_active ()) |
1597 |
return; |
1598 |
|
1599 |
bgPixmap.invalidate (); |
1600 |
|
1601 |
ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since); |
1602 |
|
1603 |
if (to_wait <= 0.) |
1604 |
bgPixmap.render (); |
1605 |
else |
1606 |
update_background_ev.start (to_wait); |
1607 |
} |
1608 |
|
1609 |
void |
1610 |
rxvt_term::update_background_cb (ev::timer &w, int revents) |
1611 |
{ |
1612 |
make_current (); |
1613 |
|
1614 |
update_background_ev.stop (); |
1615 |
bgPixmap.render (); |
1616 |
refresh_check (); |
1617 |
} |
1618 |
|
1619 |
#endif /* HAVE_BG_PIXMAP */ |
1620 |
|
1621 |
/*----------------------- end-of-file (C source) -----------------------*/ |