… | |
… | |
11 | * Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA> |
11 | * Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA> |
12 | * - extensive modifications |
12 | * - extensive modifications |
13 | * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> |
13 | * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> |
14 | * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> |
14 | * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> |
15 | * - extensive modifications |
15 | * - extensive modifications |
16 | * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> |
16 | * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com> |
17 | * |
17 | * |
18 | * This program is free software; you can redistribute it and/or modify |
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 |
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 |
20 | * the Free Software Foundation; either version 2 of the License, or |
21 | * (at your option) any later version. |
21 | * (at your option) any later version. |
… | |
… | |
30 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
30 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
31 | *---------------------------------------------------------------------*/ |
31 | *---------------------------------------------------------------------*/ |
32 | |
32 | |
33 | #include "../config.h" /* NECESSARY */ |
33 | #include "../config.h" /* NECESSARY */ |
34 | #include "rxvt.h" /* NECESSARY */ |
34 | #include "rxvt.h" /* NECESSARY */ |
|
|
35 | #include "keyboard.h" |
|
|
36 | #include "rxvtperl.h" |
|
|
37 | |
|
|
38 | #include <limits> |
35 | |
39 | |
36 | #include <csignal> |
40 | #include <csignal> |
37 | #include <cstring> |
41 | #include <cstring> |
38 | |
42 | |
39 | #ifdef TTY_GID_SUPPORT |
43 | #ifdef TTY_GID_SUPPORT |
… | |
… | |
42 | |
46 | |
43 | #ifdef HAVE_TERMIOS_H |
47 | #ifdef HAVE_TERMIOS_H |
44 | # include <termios.h> |
48 | # include <termios.h> |
45 | #endif |
49 | #endif |
46 | |
50 | |
47 | #ifdef KEYSYM_RESOURCE |
|
|
48 | # include "keyboard.h" |
|
|
49 | #endif |
|
|
50 | |
|
|
51 | vector<rxvt_term *> rxvt_term::termlist; |
51 | vector<rxvt_term *> rxvt_term::termlist; |
52 | |
52 | |
|
|
53 | // used to tell global functions which terminal instance is "active" |
|
|
54 | rxvt_t rxvt_current_term; |
|
|
55 | |
53 | static char curlocale[128]; |
56 | static char curlocale[128], savelocale[128]; |
54 | |
57 | |
55 | bool |
58 | bool |
56 | rxvt_set_locale (const char *locale) |
59 | rxvt_set_locale (const char *locale) NOTHROW |
57 | { |
60 | { |
58 | if (!locale || !strncmp (locale, curlocale, 128)) |
61 | if (!locale || !strncmp (locale, curlocale, 128)) |
59 | return false; |
62 | return false; |
60 | |
63 | |
61 | strncpy (curlocale, locale, 128); |
64 | strncpy (curlocale, locale, 128); |
62 | setlocale (LC_CTYPE, curlocale); |
65 | setlocale (LC_CTYPE, curlocale); |
63 | return true; |
66 | return true; |
|
|
67 | } |
|
|
68 | |
|
|
69 | void |
|
|
70 | rxvt_push_locale (const char *locale) NOTHROW |
|
|
71 | { |
|
|
72 | strcpy (savelocale, curlocale); |
|
|
73 | rxvt_set_locale (locale); |
|
|
74 | } |
|
|
75 | |
|
|
76 | void |
|
|
77 | rxvt_pop_locale () NOTHROW |
|
|
78 | { |
|
|
79 | rxvt_set_locale (savelocale); |
64 | } |
80 | } |
65 | |
81 | |
66 | #if ENABLE_COMBINING |
82 | #if ENABLE_COMBINING |
67 | class rxvt_composite_vec rxvt_composite; |
83 | class rxvt_composite_vec rxvt_composite; |
68 | |
84 | |
… | |
… | |
133 | rootwin_ev (this, &rxvt_term::rootwin_cb), |
149 | rootwin_ev (this, &rxvt_term::rootwin_cb), |
134 | #endif |
150 | #endif |
135 | #ifdef HAVE_SCROLLBARS |
151 | #ifdef HAVE_SCROLLBARS |
136 | scrollbar_ev (this, &rxvt_term::x_cb), |
152 | scrollbar_ev (this, &rxvt_term::x_cb), |
137 | #endif |
153 | #endif |
138 | #ifdef MENUBAR |
|
|
139 | menubar_ev (this, &rxvt_term::x_cb), |
|
|
140 | #endif |
|
|
141 | #ifdef CURSOR_BLINK |
154 | #ifdef CURSOR_BLINK |
142 | cursor_blink_ev (this, &rxvt_term::cursor_blink_cb), |
155 | cursor_blink_ev (this, &rxvt_term::cursor_blink_cb), |
143 | #endif |
156 | #endif |
144 | #ifdef TEXT_BLINK |
157 | #ifdef TEXT_BLINK |
145 | text_blink_ev (this, &rxvt_term::text_blink_cb), |
158 | text_blink_ev (this, &rxvt_term::text_blink_cb), |
… | |
… | |
157 | pointer_ev (this, &rxvt_term::pointer_cb), |
170 | pointer_ev (this, &rxvt_term::pointer_cb), |
158 | #endif |
171 | #endif |
159 | #ifdef USE_XIM |
172 | #ifdef USE_XIM |
160 | im_ev (this, &rxvt_term::im_cb), |
173 | im_ev (this, &rxvt_term::im_cb), |
161 | #endif |
174 | #endif |
|
|
175 | #ifndef NO_BELL |
|
|
176 | bell_ev (this, &rxvt_term::bell_cb), |
|
|
177 | #endif |
162 | termwin_ev (this, &rxvt_term::x_cb), |
178 | termwin_ev (this, &rxvt_term::x_cb), |
163 | vt_ev (this, &rxvt_term::x_cb), |
179 | vt_ev (this, &rxvt_term::x_cb), |
|
|
180 | child_ev (this, &rxvt_term::child_cb), |
164 | check_ev (this, &rxvt_term::check_cb), |
181 | check_ev (this, &rxvt_term::check_cb), |
165 | flush_ev (this, &rxvt_term::flush_cb), |
182 | flush_ev (this, &rxvt_term::flush_cb), |
166 | destroy_ev (this, &rxvt_term::destroy_cb), |
183 | destroy_ev (this, &rxvt_term::destroy_cb), |
167 | pty_ev (this, &rxvt_term::pty_cb), |
184 | pty_ev (this, &rxvt_term::pty_cb), |
168 | incr_ev (this, &rxvt_term::incr_cb) |
185 | incr_ev (this, &rxvt_term::incr_cb) |
… | |
… | |
171 | |
188 | |
172 | termlist.push_back (this); |
189 | termlist.push_back (this); |
173 | |
190 | |
174 | #ifdef KEYSYM_RESOURCE |
191 | #ifdef KEYSYM_RESOURCE |
175 | keyboard = new keyboard_manager; |
192 | keyboard = new keyboard_manager; |
176 | |
|
|
177 | if (!keyboard) |
|
|
178 | rxvt_fatal ("out of memory, aborting.\n"); |
|
|
179 | #endif |
193 | #endif |
180 | } |
194 | } |
181 | |
195 | |
182 | // clean up the most important stuff, do *not* call x or free mem etc. |
196 | // clean up the most important stuff, do *not* call x or free mem etc. |
183 | // for use before an emergency exit |
197 | // for use before an emergency exit |
184 | void rxvt_term::emergency_cleanup () |
198 | void rxvt_term::emergency_cleanup () |
185 | { |
199 | { |
186 | if (cmd_pid) |
200 | if (cmd_pid) |
187 | kill (-cmd_pid, SIGHUP); |
201 | kill (-cmd_pid, SIGHUP); |
188 | |
202 | |
189 | #ifdef UTMP_SUPPORT |
203 | delete pty; pty = 0; |
190 | privileged_utmp (RESTORE); |
|
|
191 | #endif |
|
|
192 | |
|
|
193 | pty.put (); |
|
|
194 | } |
204 | } |
195 | |
205 | |
196 | rxvt_term::~rxvt_term () |
206 | rxvt_term::~rxvt_term () |
197 | { |
207 | { |
198 | termlist.erase (find (termlist.begin (), termlist.end(), this)); |
208 | termlist.erase (find (termlist.begin (), termlist.end(), this)); |
… | |
… | |
212 | |
222 | |
213 | selection_clear (); |
223 | selection_clear (); |
214 | |
224 | |
215 | #ifdef USE_XIM |
225 | #ifdef USE_XIM |
216 | im_destroy (); |
226 | im_destroy (); |
217 | #endif |
|
|
218 | #ifdef MENUBAR |
|
|
219 | if (menubarGC) XFreeGC (disp, menubarGC); |
|
|
220 | #endif |
227 | #endif |
221 | #ifdef XTERM_SCROLLBAR |
228 | #ifdef XTERM_SCROLLBAR |
222 | if (xscrollbarGC) XFreeGC (disp, xscrollbarGC); |
229 | if (xscrollbarGC) XFreeGC (disp, xscrollbarGC); |
223 | if (ShadowGC) XFreeGC (disp, ShadowGC); |
230 | if (ShadowGC) XFreeGC (disp, ShadowGC); |
224 | #endif |
231 | #endif |
… | |
… | |
235 | if (upArrow) XFreePixmap (disp, upArrow); |
242 | if (upArrow) XFreePixmap (disp, upArrow); |
236 | if (downArrow) XFreePixmap (disp, downArrow); |
243 | if (downArrow) XFreePixmap (disp, downArrow); |
237 | if (upArrowHi) XFreePixmap (disp, upArrowHi); |
244 | if (upArrowHi) XFreePixmap (disp, upArrowHi); |
238 | if (downArrowHi) XFreePixmap (disp, downArrowHi); |
245 | if (downArrowHi) XFreePixmap (disp, downArrowHi); |
239 | #endif |
246 | #endif |
240 | #if defined(MENUBAR) || defined(RXVT_SCROLLBAR) |
247 | #ifdef RXVT_SCROLLBAR |
241 | if (topShadowGC) XFreeGC (disp, topShadowGC); |
248 | if (topShadowGC) XFreeGC (disp, topShadowGC); |
242 | if (botShadowGC) XFreeGC (disp, botShadowGC); |
249 | if (botShadowGC) XFreeGC (disp, botShadowGC); |
243 | if (scrollbarGC) XFreeGC (disp, scrollbarGC); |
250 | if (scrollbarGC) XFreeGC (disp, scrollbarGC); |
244 | #endif |
251 | #endif |
245 | if (gc) XFreeGC (disp, gc); |
252 | if (gc) XFreeGC (disp, gc); |
246 | |
253 | |
247 | #if defined(MENUBAR) && (MENUBAR_MAX > 1) |
|
|
248 | delete menuBar.drawable; |
|
|
249 | //if (menuBar.win) |
|
|
250 | // XDestroyWindow (disp, menuBar.win); |
|
|
251 | #endif |
|
|
252 | delete drawable; |
254 | delete drawable; |
253 | // destroy all windows |
255 | // destroy all windows |
254 | if (parent[0]) |
256 | if (parent[0]) |
255 | XDestroyWindow (disp, parent[0]); |
257 | XDestroyWindow (disp, parent[0]); |
256 | } |
258 | } |
257 | |
259 | |
258 | // TODO: free pixcolours, colours should become part of rxvt_display |
260 | // TODO: free pixcolours, colours should become part of rxvt_display |
259 | |
|
|
260 | delete pix_colors_focused; |
261 | delete pix_colors_focused; |
261 | #if OFF_FOCUS_FADING |
262 | #if OFF_FOCUS_FADING |
262 | delete pix_colors_unfocused; |
263 | delete pix_colors_unfocused; |
263 | #endif |
264 | #endif |
264 | |
265 | |
… | |
… | |
286 | #ifdef KEYSYM_RESOURCE |
287 | #ifdef KEYSYM_RESOURCE |
287 | delete keyboard; |
288 | delete keyboard; |
288 | #endif |
289 | #endif |
289 | } |
290 | } |
290 | |
291 | |
|
|
292 | // child has exited, usually destroys |
|
|
293 | void |
|
|
294 | rxvt_term::child_cb (child_watcher &w, int status) |
|
|
295 | { |
|
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296 | HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END)); |
|
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297 | |
|
|
298 | cmd_pid = 0; |
|
|
299 | |
|
|
300 | if (!OPTION (Opt_hold)) |
|
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301 | destroy (); |
|
|
302 | } |
|
|
303 | |
291 | void |
304 | void |
292 | rxvt_term::destroy () |
305 | rxvt_term::destroy () |
293 | { |
306 | { |
294 | if (destroy_ev.active) |
307 | if (destroy_ev.active) |
295 | return; |
308 | return; |
296 | |
309 | |
|
|
310 | if (HOOK_INVOKE ((this, HOOK_DESTROY, DT_END))) |
|
|
311 | return; |
|
|
312 | |
297 | #if ENABLE_OVERLAY |
313 | #if ENABLE_OVERLAY |
298 | scr_overlay_off (); |
314 | scr_overlay_off (); |
299 | #endif |
315 | #endif |
300 | |
316 | |
301 | if (display) |
317 | if (display) |
… | |
… | |
303 | #if USE_XIM |
319 | #if USE_XIM |
304 | im_ev.stop (display); |
320 | im_ev.stop (display); |
305 | #endif |
321 | #endif |
306 | #if HAVE_SCROLLBARS |
322 | #if HAVE_SCROLLBARS |
307 | scrollbar_ev.stop (display); |
323 | scrollbar_ev.stop (display); |
308 | #endif |
|
|
309 | #if MENUBAR |
|
|
310 | menubar_ev.stop (display); |
|
|
311 | #endif |
324 | #endif |
312 | #if TRANSPARENT |
325 | #if TRANSPARENT |
313 | rootwin_ev.stop (display); |
326 | rootwin_ev.stop (display); |
314 | #endif |
327 | #endif |
315 | incr_ev.stop (); |
328 | incr_ev.stop (); |
… | |
… | |
339 | } |
352 | } |
340 | |
353 | |
341 | void |
354 | void |
342 | rxvt_term::destroy_cb (time_watcher &w) |
355 | rxvt_term::destroy_cb (time_watcher &w) |
343 | { |
356 | { |
344 | SET_R (this); |
357 | make_current (); |
345 | |
358 | |
346 | delete this; |
359 | delete this; |
347 | } |
360 | } |
348 | |
361 | |
349 | /*----------------------------------------------------------------------*/ |
362 | /*----------------------------------------------------------------------*/ |
… | |
… | |
440 | /*----------------------------------------------------------------------*/ |
453 | /*----------------------------------------------------------------------*/ |
441 | bool |
454 | bool |
442 | rxvt_term::init (int argc, const char *const *argv) |
455 | rxvt_term::init (int argc, const char *const *argv) |
443 | { |
456 | { |
444 | SET_R (this); |
457 | SET_R (this); |
445 | |
|
|
446 | set_locale (""); |
458 | set_locale (""); |
|
|
459 | set_environ (envv); // few things in X do not call setlocale :( |
447 | |
460 | |
448 | if (!init_vars ()) |
461 | if (!init_vars ()) |
449 | return false; |
462 | return false; |
450 | |
463 | |
451 | init_secondary (); |
464 | init_secondary (); |
… | |
… | |
454 | |
467 | |
455 | #ifdef KEYSYM_RESOURCE |
468 | #ifdef KEYSYM_RESOURCE |
456 | keyboard->register_done (); |
469 | keyboard->register_done (); |
457 | #endif |
470 | #endif |
458 | |
471 | |
459 | #if MENUBAR_MAX |
|
|
460 | menubar_read (rs[Rs_menu]); |
|
|
461 | #endif |
|
|
462 | #ifdef HAVE_SCROLLBARS |
472 | #ifdef HAVE_SCROLLBARS |
463 | if (options & Opt_scrollBar) |
473 | if (OPTION (Opt_scrollBar)) |
464 | scrollBar.setIdle (); /* set existence for size calculations */ |
474 | scrollBar.setIdle (); /* set existence for size calculations */ |
465 | #endif |
475 | #endif |
466 | |
476 | |
|
|
477 | pty = rxvt_new_ptytty (); |
|
|
478 | |
467 | create_windows (argc, argv); |
479 | create_windows (argc, argv); |
468 | |
480 | |
469 | dDisp; |
481 | dDisp; |
470 | |
482 | |
471 | init_xlocale (); |
483 | init_xlocale (); |
472 | |
484 | |
473 | scr_reset (); /* initialize screen */ |
485 | scr_reset (); // initialize screen |
474 | |
486 | |
475 | #if 0 |
487 | #if 0 |
476 | XSynchronize (disp, True); |
488 | XSynchronize (disp, True); |
477 | #endif |
489 | #endif |
478 | |
490 | |
479 | #ifdef HAVE_SCROLLBARS |
491 | #ifdef HAVE_SCROLLBARS |
480 | if (options & Opt_scrollBar) |
492 | if (OPTION (Opt_scrollBar)) |
481 | resize_scrollbar (); /* create and map scrollbar */ |
493 | resize_scrollbar (); /* create and map scrollbar */ |
482 | #endif |
494 | #endif |
483 | #if (MENUBAR_MAX) |
|
|
484 | if (menubar_visible ()) |
|
|
485 | XMapWindow (disp, menuBar.win); |
|
|
486 | #endif |
|
|
487 | #ifdef TRANSPARENT |
495 | #ifdef TRANSPARENT |
488 | if (options & Opt_transparent) |
496 | if (OPTION (Opt_transparent)) |
489 | { |
497 | { |
490 | XSelectInput (disp, display->root, PropertyChangeMask); |
498 | XSelectInput (disp, display->root, PropertyChangeMask); |
491 | check_our_parents (); |
499 | check_our_parents (); |
492 | rootwin_ev.start (display, display->root); |
500 | rootwin_ev.start (display, display->root); |
493 | } |
501 | } |
494 | #endif |
502 | #endif |
495 | |
503 | |
|
|
504 | set_colorfgbg (); |
|
|
505 | |
|
|
506 | init_command (cmd_argv); |
|
|
507 | |
|
|
508 | free (cmd_argv); |
|
|
509 | |
|
|
510 | if (pty->pty >= 0) |
|
|
511 | pty_ev.start (pty->pty, EVENT_READ); |
|
|
512 | |
|
|
513 | check_ev.start (); |
|
|
514 | |
|
|
515 | HOOK_INVOKE ((this, HOOK_START, DT_END)); |
|
|
516 | |
496 | XMapWindow (disp, vt); |
517 | XMapWindow (disp, vt); |
497 | XMapWindow (disp, parent[0]); |
518 | XMapWindow (disp, parent[0]); |
498 | |
519 | |
499 | set_colorfgbg (); |
|
|
500 | |
|
|
501 | init_command (cmd_argv); |
|
|
502 | |
|
|
503 | free (cmd_argv); |
|
|
504 | |
|
|
505 | pty_ev.start (pty.pty, EVENT_READ); |
|
|
506 | |
|
|
507 | check_ev.start (); |
|
|
508 | |
|
|
509 | return true; |
520 | return true; |
510 | } |
521 | } |
511 | |
522 | |
512 | static struct sig_handlers |
523 | static struct sig_handlers |
513 | { |
524 | { |
514 | sig_watcher sw_chld, sw_term, sw_int; |
525 | sig_watcher sw_term, sw_int; |
515 | |
526 | |
516 | void sig_chld (sig_watcher &w) |
|
|
517 | { |
|
|
518 | // we are being called for every SIGCHLD, find the corresponding term |
|
|
519 | int pid; |
|
|
520 | |
|
|
521 | while ((pid = waitpid (-1, NULL, WNOHANG)) > 0) |
|
|
522 | for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++) |
|
|
523 | if (pid == (*t)->cmd_pid) |
|
|
524 | { |
|
|
525 | (*t)->destroy (); |
|
|
526 | break; |
|
|
527 | } |
|
|
528 | } |
|
|
529 | |
|
|
530 | /* |
527 | /* |
531 | * Catch a fatal signal and tidy up before quitting |
528 | * Catch a fatal signal and tidy up before quitting |
532 | */ |
529 | */ |
533 | void |
530 | void |
534 | sig_term (sig_watcher &w) |
531 | sig_term (sig_watcher &w) |
… | |
… | |
540 | signal (w.signum, SIG_DFL); |
537 | signal (w.signum, SIG_DFL); |
541 | kill (getpid (), w.signum); |
538 | kill (getpid (), w.signum); |
542 | } |
539 | } |
543 | |
540 | |
544 | sig_handlers () |
541 | sig_handlers () |
545 | : sw_chld (this, &sig_handlers::sig_chld), |
|
|
546 | sw_term (this, &sig_handlers::sig_term), |
542 | : sw_term (this, &sig_handlers::sig_term), |
547 | sw_int (this, &sig_handlers::sig_term) |
543 | sw_int (this, &sig_handlers::sig_term) |
548 | { |
544 | { |
549 | } |
545 | } |
550 | } sig_handlers; |
546 | } sig_handlers; |
551 | |
547 | |
|
|
548 | char **rxvt_environ; // startup environment |
|
|
549 | |
552 | void |
550 | void |
553 | rxvt_init () |
551 | rxvt_init () |
554 | { |
552 | { |
555 | /* |
553 | uid_t uid = getuid (); |
556 | * Save and then give up any super-user privileges |
554 | gid_t gid = getgid (); |
557 | * If we need privileges in any area then we must specifically request it. |
555 | |
558 | * We should only need to be root in these cases: |
556 | // before doing anything else, check for setuid/setgid operation, |
559 | * 1. write utmp entries on some systems |
557 | // start the helper process and drop privileges |
560 | * 2. chown tty on some systems |
558 | if (uid != geteuid () |
561 | */ |
559 | || gid != getegid ()) |
562 | rxvt_privileges (SAVE); |
560 | { |
563 | rxvt_privileges (IGNORE); |
561 | #if PTYTTY_HELPER |
|
|
562 | rxvt_ptytty_server (); |
|
|
563 | #else |
|
|
564 | rxvt_warn ("running setuid/setgid without pty helper compiled in, continuing unprivileged.\n"); |
|
|
565 | #endif |
|
|
566 | |
|
|
567 | // drop privileges |
|
|
568 | #if HAVE_SETRESUID |
|
|
569 | setresgid (gid, gid, gid); |
|
|
570 | setresuid (uid, uid, uid); |
|
|
571 | #elif HAVE_SETREUID |
|
|
572 | setregid (gid, gid); |
|
|
573 | setreuid (uid, uid); |
|
|
574 | #elif HAVE_SETUID |
|
|
575 | setgid (gid); |
|
|
576 | setuid (uid); |
|
|
577 | #endif |
|
|
578 | |
|
|
579 | if (uid != geteuid () |
|
|
580 | || gid != getegid ()) |
|
|
581 | rxvt_fatal ("unable to drop privileges, aborting.\n"); |
|
|
582 | } |
|
|
583 | |
|
|
584 | rxvt_environ = environ; |
564 | |
585 | |
565 | signal (SIGHUP, SIG_IGN); |
586 | signal (SIGHUP, SIG_IGN); |
566 | signal (SIGPIPE, SIG_IGN); |
587 | signal (SIGPIPE, SIG_IGN); |
567 | |
588 | |
568 | sig_handlers.sw_chld.start (SIGCHLD); |
|
|
569 | sig_handlers.sw_term.start (SIGTERM); |
589 | sig_handlers.sw_term.start (SIGTERM); |
570 | sig_handlers.sw_int.start (SIGINT); |
590 | sig_handlers.sw_int.start (SIGINT); |
571 | |
591 | |
572 | /* need to trap SIGURG for SVR4 (Unixware) rlogin */ |
592 | /* need to trap SIGURG for SVR4 (Unixware) rlogin */ |
573 | /* signal (SIGURG, SIG_DFL); */ |
593 | /* signal (SIGURG, SIG_DFL); */ |
574 | |
594 | |
575 | old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler); |
595 | old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler); |
576 | // TODO: handle this with exceptions and tolerate the memory loss |
596 | // TODO: handle this with exceptions and tolerate the memory loss |
577 | XSetIOErrorHandler (rxvt_xioerror_handler); |
597 | XSetIOErrorHandler (rxvt_xioerror_handler); |
|
|
598 | |
|
|
599 | XrmInitialize (); |
578 | } |
600 | } |
579 | |
601 | |
580 | /* ------------------------------------------------------------------------- * |
602 | /* ------------------------------------------------------------------------- * |
581 | * MEMORY ALLOCATION WRAPPERS * |
603 | * MEMORY ALLOCATION WRAPPERS * |
582 | * ------------------------------------------------------------------------- */ |
604 | * ------------------------------------------------------------------------- */ |
… | |
… | |
600 | rxvt_fatal ("memory allocation failure. aborting.\n"); |
622 | rxvt_fatal ("memory allocation failure. aborting.\n"); |
601 | |
623 | |
602 | return p; |
624 | return p; |
603 | } |
625 | } |
604 | |
626 | |
605 | void * |
627 | void * |
606 | rxvt_realloc (void *ptr, size_t size) |
628 | rxvt_realloc (void *ptr, size_t size) |
607 | { |
629 | { |
608 | void *p = realloc (ptr, size); |
630 | void *p = realloc (ptr, size); |
609 | |
631 | |
610 | if (!p) |
632 | if (!p) |
611 | rxvt_fatal ("memory allocation failure. aborting.\n"); |
633 | rxvt_fatal ("memory allocation failure. aborting.\n"); |
612 | |
634 | |
613 | return p; |
635 | return p; |
614 | } |
636 | } |
615 | |
|
|
616 | /* ------------------------------------------------------------------------- * |
|
|
617 | * PRIVILEGED OPERATIONS * |
|
|
618 | * ------------------------------------------------------------------------- */ |
|
|
619 | /* take care of suid/sgid super-user (root) privileges */ |
|
|
620 | void |
|
|
621 | rxvt_privileges (rxvt_privaction action) |
|
|
622 | { |
|
|
623 | #if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__) |
|
|
624 | static uid_t euid; |
|
|
625 | static gid_t egid; |
|
|
626 | #endif |
|
|
627 | |
|
|
628 | #if ! defined(__CYGWIN32__) |
|
|
629 | # if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) |
|
|
630 | /* setreuid () is the poor man's setuid (), seteuid () */ |
|
|
631 | # define seteuid(a) setreuid(-1, (a)) |
|
|
632 | # define setegid(a) setregid(-1, (a)) |
|
|
633 | # define HAVE_SETEUID |
|
|
634 | # endif |
|
|
635 | # ifdef HAVE_SETEUID |
|
|
636 | switch (action) |
|
|
637 | { |
|
|
638 | case IGNORE: |
|
|
639 | /* |
|
|
640 | * change effective uid/gid - not real uid/gid - so we can switch |
|
|
641 | * back to root later, as required |
|
|
642 | */ |
|
|
643 | seteuid (getuid ()); |
|
|
644 | setegid (getgid ()); |
|
|
645 | break; |
|
|
646 | case SAVE: |
|
|
647 | euid = geteuid (); |
|
|
648 | egid = getegid (); |
|
|
649 | break; |
|
|
650 | case RESTORE: |
|
|
651 | seteuid (euid); |
|
|
652 | setegid (egid); |
|
|
653 | break; |
|
|
654 | } |
|
|
655 | # else |
|
|
656 | switch (action) |
|
|
657 | { |
|
|
658 | case IGNORE: |
|
|
659 | setuid (getuid ()); |
|
|
660 | setgid (getgid ()); |
|
|
661 | /* FALLTHROUGH */ |
|
|
662 | case SAVE: |
|
|
663 | /* FALLTHROUGH */ |
|
|
664 | case RESTORE: |
|
|
665 | break; |
|
|
666 | } |
|
|
667 | # endif |
|
|
668 | #endif |
|
|
669 | } |
|
|
670 | |
|
|
671 | #ifdef UTMP_SUPPORT |
|
|
672 | void |
|
|
673 | rxvt_term::privileged_utmp (rxvt_privaction action) |
|
|
674 | { |
|
|
675 | if ((options & Opt_utmpInhibit) |
|
|
676 | || !pty.name || !*pty.name) |
|
|
677 | return; |
|
|
678 | |
|
|
679 | rxvt_privileges (RESTORE); |
|
|
680 | |
|
|
681 | if (action == SAVE) |
|
|
682 | makeutent (pty.name, rs[Rs_display_name]); |
|
|
683 | else |
|
|
684 | cleanutent (); |
|
|
685 | |
|
|
686 | rxvt_privileges (IGNORE); |
|
|
687 | } |
|
|
688 | #endif |
|
|
689 | |
637 | |
690 | /*----------------------------------------------------------------------*/ |
638 | /*----------------------------------------------------------------------*/ |
691 | /* |
639 | /* |
692 | * window size/position calculcations for XSizeHint and other storage. |
640 | * window size/position calculcations for XSizeHint and other storage. |
693 | * if width/height are non-zero then override calculated width/height |
641 | * if width/height are non-zero then override calculated width/height |
694 | */ |
642 | */ |
695 | void |
643 | void |
696 | rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight) |
644 | rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight) |
697 | { |
645 | { |
698 | short recalc_x, recalc_y; |
646 | short recalc_x, recalc_y; |
699 | int x, y, sb_w, mb_h, flags; |
647 | int x, y, sb_w, flags; |
700 | unsigned int w, h; |
648 | unsigned int w, h; |
701 | unsigned int max_width, max_height; |
649 | unsigned int max_width, max_height; |
702 | dDisp; |
650 | dDisp; |
703 | |
651 | |
704 | D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", |
652 | D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", |
… | |
… | |
718 | if (rs[Rs_geometry]) |
666 | if (rs[Rs_geometry]) |
719 | flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h); |
667 | flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h); |
720 | |
668 | |
721 | if (flags & WidthValue) |
669 | if (flags & WidthValue) |
722 | { |
670 | { |
723 | ncol = BOUND_POSITIVE_INT16 (w); |
671 | ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ()); |
724 | szHint.flags |= USSize; |
672 | szHint.flags |= USSize; |
725 | } |
673 | } |
726 | |
674 | |
727 | if (flags & HeightValue) |
675 | if (flags & HeightValue) |
728 | { |
676 | { |
729 | nrow = BOUND_POSITIVE_INT16 (h); |
677 | nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ()); |
730 | szHint.flags |= USSize; |
678 | szHint.flags |= USSize; |
731 | } |
679 | } |
732 | |
680 | |
733 | if (flags & XValue) |
681 | if (flags & XValue) |
734 | { |
682 | { |
… | |
… | |
765 | max_width = MAX_COLS * fwidth; |
713 | max_width = MAX_COLS * fwidth; |
766 | max_height = MAX_ROWS * fheight; |
714 | max_height = MAX_ROWS * fheight; |
767 | |
715 | |
768 | szHint.base_width = szHint.base_height = 2 * int_bwidth; |
716 | szHint.base_width = szHint.base_height = 2 * int_bwidth; |
769 | |
717 | |
770 | sb_w = mb_h = 0; |
718 | sb_w = 0; |
771 | window_vt_x = window_vt_y = int_bwidth; |
719 | window_vt_x = window_vt_y = int_bwidth; |
772 | |
720 | |
773 | if (scrollbar_visible ()) |
721 | if (scrollBar.state) |
774 | { |
722 | { |
775 | sb_w = scrollbar_TotalWidth (); |
723 | sb_w = scrollbar_TotalWidth (); |
776 | szHint.base_width += sb_w; |
724 | szHint.base_width += sb_w; |
777 | if (!(options & Opt_scrollBar_right)) |
725 | if (!OPTION (Opt_scrollBar_right)) |
778 | window_vt_x += sb_w; |
726 | window_vt_x += sb_w; |
779 | } |
|
|
780 | |
|
|
781 | if (menubar_visible ()) |
|
|
782 | { |
|
|
783 | mb_h = menuBar_TotalHeight (); |
|
|
784 | szHint.base_height += mb_h; |
|
|
785 | window_vt_y += mb_h; |
|
|
786 | } |
727 | } |
787 | |
728 | |
788 | szHint.width_inc = fwidth; |
729 | szHint.width_inc = fwidth; |
789 | szHint.height_inc = fheight; |
730 | szHint.height_inc = fheight; |
790 | szHint.min_width = szHint.base_width + szHint.width_inc; |
731 | szHint.min_width = szHint.base_width + szHint.width_inc; |
… | |
… | |
795 | szHint.width = newwidth; |
736 | szHint.width = newwidth; |
796 | width = newwidth - szHint.base_width; |
737 | width = newwidth - szHint.base_width; |
797 | } |
738 | } |
798 | else |
739 | else |
799 | { |
740 | { |
800 | MIN_IT (width, max_width); |
741 | min_it (width, max_width); |
801 | szHint.width = szHint.base_width + width; |
742 | szHint.width = szHint.base_width + width; |
802 | } |
743 | } |
803 | |
744 | |
804 | if (newheight && newheight - szHint.base_height < max_height) |
745 | if (newheight && newheight - szHint.base_height < max_height) |
805 | { |
746 | { |
806 | szHint.height = newheight; |
747 | szHint.height = newheight; |
807 | height = newheight - szHint.base_height; |
748 | height = newheight - szHint.base_height; |
808 | } |
749 | } |
809 | else |
750 | else |
810 | { |
751 | { |
811 | MIN_IT (height, max_height); |
752 | min_it (height, max_height); |
812 | szHint.height = szHint.base_height + height; |
753 | szHint.height = szHint.base_height + height; |
813 | } |
754 | } |
814 | |
755 | |
815 | if (scrollbar_visible () && (options & Opt_scrollBar_right)) |
756 | if (scrollBar.state && OPTION (Opt_scrollBar_right)) |
816 | window_sb_x = szHint.width - sb_w; |
757 | window_sb_x = szHint.width - sb_w; |
817 | |
758 | |
818 | if (recalc_x) |
759 | if (recalc_x) |
819 | szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth; |
760 | szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth; |
820 | if (recalc_y) |
761 | if (recalc_y) |
… | |
… | |
834 | * Called after a window size change. |
775 | * Called after a window size change. |
835 | */ |
776 | */ |
836 | void |
777 | void |
837 | rxvt_term::tt_winch () |
778 | rxvt_term::tt_winch () |
838 | { |
779 | { |
839 | if (pty.pty < 0) |
780 | if (pty->pty < 0) |
840 | return; |
781 | return; |
841 | |
782 | |
842 | struct winsize ws; |
783 | struct winsize ws; |
843 | |
784 | |
844 | ws.ws_col = ncol; |
785 | ws.ws_col = ncol; |
845 | ws.ws_row = nrow; |
786 | ws.ws_row = nrow; |
846 | ws.ws_xpixel = width; |
787 | ws.ws_xpixel = width; |
847 | ws.ws_ypixel = height; |
788 | ws.ws_ypixel = height; |
848 | (void)ioctl (pty.pty, TIOCSWINSZ, &ws); |
789 | (void)ioctl (pty->pty, TIOCSWINSZ, &ws); |
849 | |
790 | |
850 | #if 0 |
791 | #if 0 |
851 | // TIOCSWINSZ⎈ is supposed to do this automatically and correctly |
792 | // TIOCSWINSZ⎈ is supposed to do this automatically and correctly |
852 | if (cmd_pid) /* force through to the command */ |
793 | if (cmd_pid) /* force through to the command */ |
853 | kill (-cmd_pid, SIGWINCH); |
794 | kill (-cmd_pid, SIGWINCH); |
… | |
… | |
889 | prop.height += lineSpace; |
830 | prop.height += lineSpace; |
890 | fs->set_prop (prop); |
831 | fs->set_prop (prop); |
891 | |
832 | |
892 | fwidth = prop.width; |
833 | fwidth = prop.width; |
893 | fheight = prop.height; |
834 | fheight = prop.height; |
894 | fweight = prop.weight; |
835 | fbase = prop.ascent; |
895 | fslant = prop.slant; |
|
|
896 | fbase = (*fs)[1]->ascent; |
|
|
897 | |
836 | |
898 | for (int style = 1; style < 4; style++) |
837 | for (int style = 1; style < 4; style++) |
899 | { |
838 | { |
900 | #if ENABLE_STYLES |
839 | #if ENABLE_STYLES |
901 | const char *res = rs[Rs_font + style]; |
840 | const char *res = rs[Rs_font + style]; |
… | |
… | |
935 | return true; |
874 | return true; |
936 | } |
875 | } |
937 | |
876 | |
938 | void rxvt_term::set_string_property (Atom prop, const char *str, int len) |
877 | void rxvt_term::set_string_property (Atom prop, const char *str, int len) |
939 | { |
878 | { |
940 | // TODO: SMART_WINDOW_TITLE |
|
|
941 | XChangeProperty (display->display, parent[0], |
879 | XChangeProperty (display->display, parent[0], |
942 | prop, XA_STRING, 8, PropModeReplace, |
880 | prop, XA_STRING, 8, PropModeReplace, |
943 | (const unsigned char *)str, len >= 0 ? len : strlen (str)); |
881 | (const unsigned char *)str, len >= 0 ? len : strlen (str)); |
944 | } |
882 | } |
945 | |
883 | |
946 | void rxvt_term::set_utf8_property (Atom prop, const char *str, int len) |
884 | void rxvt_term::set_utf8_property (Atom prop, const char *str, int len) |
947 | { |
885 | { |
948 | // TODO: SMART_WINDOW_TITLE |
|
|
949 | wchar_t *ws = rxvt_mbstowcs (str, len); |
886 | wchar_t *ws = rxvt_mbstowcs (str, len); |
950 | char *s = rxvt_wcstoutf8 (ws); |
887 | char *s = rxvt_wcstoutf8 (ws); |
951 | |
888 | |
952 | XChangeProperty (display->display, parent[0], |
889 | XChangeProperty (display->display, parent[0], |
953 | prop, xa[XA_UTF8_STRING], 8, PropModeReplace, |
890 | prop, xa[XA_UTF8_STRING], 8, PropModeReplace, |
… | |
… | |
994 | i = atoi (color); |
931 | i = atoi (color); |
995 | |
932 | |
996 | if (i >= 8 && i <= 15) |
933 | if (i >= 8 && i <= 15) |
997 | { /* bright colors */ |
934 | { /* bright colors */ |
998 | i -= 8; |
935 | i -= 8; |
999 | # ifndef NO_BRIGHTCOLOR |
|
|
1000 | pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i]; |
936 | pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i]; |
1001 | SET_PIXCOLOR (idx); |
937 | SET_PIXCOLOR (idx); |
1002 | goto done; |
938 | goto done; |
1003 | # endif |
|
|
1004 | } |
939 | } |
1005 | |
940 | |
1006 | if (i >= 0 && i <= 7) |
941 | if (i >= 0 && i <= 7) |
1007 | { /* normal colors */ |
942 | { /* normal colors */ |
1008 | pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i]; |
943 | pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i]; |
… | |
… | |
1181 | |
1116 | |
1182 | fix_screen = ncol != prev_ncol || nrow != prev_nrow; |
1117 | fix_screen = ncol != prev_ncol || nrow != prev_nrow; |
1183 | |
1118 | |
1184 | if (fix_screen || newwidth != old_width || newheight != old_height) |
1119 | if (fix_screen || newwidth != old_width || newheight != old_height) |
1185 | { |
1120 | { |
1186 | if (scrollbar_visible ()) |
1121 | if (scrollBar.state) |
1187 | { |
1122 | { |
1188 | XMoveResizeWindow (disp, scrollBar.win, |
1123 | XMoveResizeWindow (disp, scrollBar.win, |
1189 | window_sb_x, 0, |
1124 | window_sb_x, 0, |
1190 | scrollbar_TotalWidth (), szHint.height); |
1125 | scrollbar_TotalWidth (), szHint.height); |
1191 | resize_scrollbar (); |
1126 | resize_scrollbar (); |
1192 | } |
1127 | } |
1193 | |
1128 | |
1194 | if (menubar_visible ()) |
|
|
1195 | XMoveResizeWindow (disp, menuBar.win, |
|
|
1196 | window_vt_x, 0, |
|
|
1197 | TermWin_TotalWidth (), menuBar_TotalHeight ()); |
|
|
1198 | |
|
|
1199 | XMoveResizeWindow (disp, vt, |
1129 | XMoveResizeWindow (disp, vt, |
1200 | window_vt_x, window_vt_y, |
1130 | window_vt_x, window_vt_y, |
1201 | TermWin_TotalWidth (), TermWin_TotalHeight ()); |
1131 | width, height); |
1202 | |
1132 | |
1203 | scr_clear (); |
1133 | scr_clear (); |
1204 | #ifdef XPM_BACKGROUND |
1134 | #ifdef XPM_BACKGROUND |
1205 | resize_pixmap (); |
1135 | resize_pixmap (); |
1206 | #endif |
1136 | #endif |
… | |
… | |
1386 | XRectangle rect, status_rect, needed_rect; |
1316 | XRectangle rect, status_rect, needed_rect; |
1387 | unsigned long fg, bg; |
1317 | unsigned long fg, bg; |
1388 | const char *p; |
1318 | const char *p; |
1389 | char **s; |
1319 | char **s; |
1390 | XIMStyles *xim_styles; |
1320 | XIMStyles *xim_styles; |
|
|
1321 | |
|
|
1322 | set_environ (envv); |
1391 | |
1323 | |
1392 | if (! ((p = XSetLocaleModifiers (modifiers)) && *p)) |
1324 | if (! ((p = XSetLocaleModifiers (modifiers)) && *p)) |
1393 | return false; |
1325 | return false; |
1394 | |
1326 | |
1395 | D_MAIN ((stderr, "rxvt_IM_get_IC ()")); |
1327 | D_MAIN ((stderr, "rxvt_IM_get_IC ()")); |
… | |
… | |
1561 | int i; |
1493 | int i; |
1562 | const char *p; |
1494 | const char *p; |
1563 | char **s; |
1495 | char **s; |
1564 | char buf[IMBUFSIZ]; |
1496 | char buf[IMBUFSIZ]; |
1565 | |
1497 | |
1566 | SET_R (this); |
1498 | make_current (); |
1567 | |
1499 | |
1568 | im_destroy (); |
1500 | im_destroy (); |
1569 | |
1501 | |
1570 | D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()")); |
1502 | D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()")); |
1571 | if (Input_Context) |
1503 | if (Input_Context) |
… | |
… | |
1648 | XFree (preedit_attr); |
1580 | XFree (preedit_attr); |
1649 | XFree (status_attr); |
1581 | XFree (status_attr); |
1650 | } |
1582 | } |
1651 | #endif /* USE_XIM */ |
1583 | #endif /* USE_XIM */ |
1652 | |
1584 | |
1653 | /*----------------------------------------------------------------------*/ |
|
|
1654 | rxvt_t rxvt_current_term; |
|
|
1655 | |
|
|
1656 | /*----------------------- end-of-file (C source) -----------------------*/ |
1585 | /*----------------------- end-of-file (C source) -----------------------*/ |