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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.2 by pcg, Mon Nov 24 17:31:27 2003 UTC vs.
Revision 1.186 by root, Tue Jan 17 15:41:33 2006 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*--------------------------------*-C-*---------------------------------*
2 * File: main.c 2 * File: main.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: main.C,v 1.2 2003/11/24 17:31:27 pcg Exp $
5 * 4 *
6 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
7 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk> 6 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8 * - original version 7 * - original version
9 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com> 8 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
10 * - extensive modifications 9 * - extensive modifications
11 * Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com> 10 * Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com>
12 * Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA> 11 * Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13 * - extensive modifications 12 * - extensive modifications
14 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> 13 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> 14 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16 * - extensive modifications 15 * - extensive modifications
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.
… …
28 * You should have received a copy of the GNU General Public License 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 29 * along with this program; if not, write to the Free Software
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 "main.intpro" /* PROTOS for internal routines */ 35#include "keyboard.h"
36#include "rxvtperl.h"
36 37
38#include <limits>
39
37#include <signal.h> 40#include <csignal>
41#include <cstring>
38 42
39#ifdef TTY_GID_SUPPORT 43#ifdef TTY_GID_SUPPORT
40# include <grp.h> 44# include <grp.h>
41#endif 45#endif
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/*----------------------------------------------------------------------*/ 51#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
48/* rxvt_init() */ 52static uid_t saved_euid;
49/* LIBPROTO */ 53static gid_t saved_egid;
50rxvt_t * 54#endif
51rxvt_init(int argc, const char *const *argv)
52{
53 const char **cmd_argv;
54 55
55 SET_R ((rxvt_t *)rxvt_calloc(1, sizeof(rxvt_t))); 56bool
57rxvt_tainted ()
58{
59#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
60 return getuid () != saved_euid || getgid () != saved_egid;
61#else
62 return false;
63#endif
64}
56 65
57 dR; 66vector<rxvt_term *> rxvt_term::termlist;
58 if (rxvt_init_vars(aR) < 0) { 67
59 free(R); 68static char curlocale[128], savelocale[128];
60 return NULL; 69
70bool
71rxvt_set_locale (const char *locale)
72{
73 if (!locale || !strncmp (locale, curlocale, 128))
74 return false;
75
76 strncpy (curlocale, locale, 128);
77 setlocale (LC_CTYPE, curlocale);
78 return true;
79}
80
81void
82rxvt_push_locale (const char *locale)
83{
84 strcpy (savelocale, curlocale);
85 rxvt_set_locale (locale);
86}
87
88void
89rxvt_pop_locale ()
90{
91 rxvt_set_locale (savelocale);
92}
93
94#if ENABLE_COMBINING
95class rxvt_composite_vec rxvt_composite;
96
97text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
98{
99 compose_char *cc;
100
101 // break compose chains, as stupid readline really likes to duplicate
102 // composing characters for some reason near the end of a line.
103 cc = (*this)[c1];
104 while (cc)
61 } 105 {
106 if (cc->c2 == c2) return c1;
107 cc = (*this)[cc->c1];
108 }
62 109
63/* 110 // check to see wether this combination already exists otherwise
64 * Save and then give up any super-user privileges 111 for (cc = v.end (); cc-- > v.begin (); )
65 * If we need privileges in any area then we must specifically request it. 112 {
66 * We should only need to be root in these cases: 113 if (cc->c1 == c1 && cc->c2 == c2)
67 * 1. write utmp entries on some systems 114 return COMPOSE_LO + (cc - v.begin ());
68 * 2. chown tty on some systems 115 }
69 */
70 rxvt_privileges(aR_ SAVE);
71 rxvt_privileges(aR_ IGNORE);
72 116
73 rxvt_init_secondary(aR); 117 // allocate a new combination
118 if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
119 {
120 static int seen;
74 121
75 cmd_argv = rxvt_init_resources(aR_ argc, argv); 122 if (!seen++)
123 fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
76 124
77#if (MENUBAR_MAX) 125 return REPLACEMENT_CHAR;
78 rxvt_menubar_read(aR_ R->h->rs[Rs_menu]); 126 }
127
128 v.push_back (compose_char (c1, c2));
129
130 return v.size () - 1 + COMPOSE_LO;
131}
132
133int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
134{
135 compose_char *cc = (*this)[c];
136
137 if (!cc)
138 {
139 if (r) *r = c;
140 return 1;
141 }
142
143 int len = expand (cc->c1, r);
144
145 if (r) r += len;
146
147 if (cc->c2 != NOCHAR)
148 {
149 len++;
150 if (r) *r++ = cc->c2;
151 }
152
153 return len;
154
155}
156#endif
157
158rxvt_term::rxvt_term ()
159 :
160#if TRANSPARENT
161 rootwin_ev (this, &rxvt_term::rootwin_cb),
79#endif 162#endif
80#ifdef HAVE_SCROLLBARS 163#ifdef HAVE_SCROLLBARS
81 if (R->Options & Opt_scrollBar) 164 scrollbar_ev (this, &rxvt_term::x_cb),
82 scrollbar_setIdle(); /* set existence for size calculations */
83#endif 165#endif
84 166#ifdef CURSOR_BLINK
85 rxvt_Create_Windows(aR_ argc, argv); 167 cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
86
87 rxvt_init_xlocale(aR);
88
89 rxvt_scr_reset(aR); /* initialize screen */
90#ifdef RXVT_GRAPHICS
91 rxvt_Gr_reset(aR); /* reset graphics */
92#endif 168#endif
93 169#ifdef TEXT_BLINK
94#if 0 170 text_blink_ev (this, &rxvt_term::text_blink_cb),
95#ifdef DEBUG_X
96 XSynchronize(R->Xdisplay, True);
97 XSetErrorHandler((XErrorHandler) abort);
98#else
99 XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
100#endif 171#endif
172#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
173 cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
101#endif 174#endif
175#ifdef SELECTION_SCROLLING
176 sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
177#endif
178#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
179 slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
180#endif
181#ifdef POINTER_BLANK
182 pointer_ev (this, &rxvt_term::pointer_cb),
183#endif
184#ifdef USE_XIM
185 im_ev (this, &rxvt_term::im_cb),
186#endif
187 termwin_ev (this, &rxvt_term::x_cb),
188 vt_ev (this, &rxvt_term::x_cb),
189 check_ev (this, &rxvt_term::check_cb),
190 flush_ev (this, &rxvt_term::flush_cb),
191 destroy_ev (this, &rxvt_term::destroy_cb),
192 pty_ev (this, &rxvt_term::pty_cb),
193 incr_ev (this, &rxvt_term::incr_cb)
194{
195 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
102 196
197 termlist.push_back (this);
198
199#ifdef KEYSYM_RESOURCE
200 keyboard = new keyboard_manager;
201
202 if (!keyboard)
203 rxvt_fatal ("out of memory, aborting.\n");
204#endif
205}
206
207// clean up the most important stuff, do *not* call x or free mem etc.
208// for use before an emergency exit
209void rxvt_term::emergency_cleanup ()
210{
211 if (cmd_pid)
212 kill (-cmd_pid, SIGHUP);
213
214 delete pty; pty = 0;
215}
216
217rxvt_term::~rxvt_term ()
218{
219 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
220
221 termlist.erase (find (termlist.begin (), termlist.end(), this));
222
223 emergency_cleanup ();
224
225#if ENABLE_STYLES
226 for (int i = RS_styleCount; --i; )
227 if (fontset[i] != fontset[0])
228 delete fontset[i];
229#endif
230 delete fontset[0];
231
232 if (display)
233 {
234 dDisp;
235
236 selection_clear ();
237
238#ifdef USE_XIM
239 im_destroy ();
240#endif
241#ifdef XTERM_SCROLLBAR
242 if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
243 if (ShadowGC) XFreeGC (disp, ShadowGC);
244#endif
245#ifdef PLAIN_SCROLLBAR
246 if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
247#endif
248#ifdef NEXT_SCROLLBAR
249 if (blackGC) XFreeGC (disp, blackGC);
250 if (whiteGC) XFreeGC (disp, whiteGC);
251 if (grayGC) XFreeGC (disp, grayGC);
252 if (darkGC) XFreeGC (disp, darkGC);
253 if (stippleGC) XFreeGC (disp, stippleGC);
254 if (dimple) XFreePixmap (disp, dimple);
255 if (upArrow) XFreePixmap (disp, upArrow);
256 if (downArrow) XFreePixmap (disp, downArrow);
257 if (upArrowHi) XFreePixmap (disp, upArrowHi);
258 if (downArrowHi) XFreePixmap (disp, downArrowHi);
259#endif
260#ifdef RXVT_SCROLLBAR
261 if (topShadowGC) XFreeGC (disp, topShadowGC);
262 if (botShadowGC) XFreeGC (disp, botShadowGC);
263 if (scrollbarGC) XFreeGC (disp, scrollbarGC);
264#endif
265 if (gc) XFreeGC (disp, gc);
266
267 delete drawable;
268 // destroy all windows
269 if (parent[0])
270 XDestroyWindow (disp, parent[0]);
271 }
272
273 // TODO: free pixcolours, colours should become part of rxvt_display
274 delete pix_colors_focused;
275#if OFF_FOCUS_FADING
276 delete pix_colors_unfocused;
277#endif
278
279 displays.put (display);
280
281 scr_release ();
282
283 /* clear all resources */
284 for (int i = 0; i < allocated.size (); i++)
285 free (allocated [i]);
286
287 free (selection.text);
288 // TODO: manage env vars in child only(!)
289 free (env_windowid);
290 free (env_display);
291 free (env_term);
292 free (env_colorfgbg);
293 free (locale);
294 free (v_buffer);
295 free (incr_buf);
296
297 delete envv;
298 delete argv;
299
300#ifdef KEYSYM_RESOURCE
301 delete keyboard;
302#endif
303}
304
305void
306rxvt_term::child_exit ()
307{
308 cmd_pid = 0;
309
310 if (!OPTION (Opt_hold))
311 destroy ();
312}
313
314void
315rxvt_term::destroy ()
316{
317 if (destroy_ev.active)
318 return;
319
320#if ENABLE_OVERLAY
321 scr_overlay_off ();
322#endif
323
324 if (display)
325 {
326#if USE_XIM
327 im_ev.stop (display);
328#endif
103#ifdef HAVE_SCROLLBARS 329#if HAVE_SCROLLBARS
104 if (R->Options & Opt_scrollBar) 330 scrollbar_ev.stop (display);
105 rxvt_Resize_scrollBar(aR); /* create and map scrollbar */
106#endif 331#endif
107#if (MENUBAR_MAX)
108 if (menubar_visible(r))
109 XMapWindow(R->Xdisplay, R->menuBar.win);
110#endif
111#ifdef TRANSPARENT 332#if TRANSPARENT
112 if (R->Options & Opt_transparent) { 333 rootwin_ev.stop (display);
113 XSelectInput(R->Xdisplay, Xroot, PropertyChangeMask);
114 rxvt_check_our_parents(aR);
115 }
116#endif 334#endif
117 XMapWindow(R->Xdisplay, R->TermWin.vt); 335 incr_ev.stop ();
118 XMapWindow(R->Xdisplay, R->TermWin.parent[0]); 336 termwin_ev.stop (display);
119 337 vt_ev.stop (display);
120 rxvt_init_env(aR);
121 rxvt_init_command(aR_ cmd_argv);
122
123 return R;
124}
125
126/* ------------------------------------------------------------------------- *
127 * SIGNAL HANDLING & EXIT HANDLER *
128 * ------------------------------------------------------------------------- */
129/*
130 * Catch a SIGCHLD signal and exit if the direct child has died
131 */
132/* ARGSUSED */
133/* EXTPROTO */
134RETSIGTYPE
135rxvt_Child_signal(int sig __attribute__((unused)))
136{
137 dR;
138 int pid, save_errno = errno;
139
140 do {
141 errno = 0;
142 } while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
143
144 if (pid == R->h->cmd_pid)
145 exit(EXIT_SUCCESS);
146
147 errno = save_errno;
148 signal(SIGCHLD, rxvt_Child_signal);
149}
150
151/*
152 * Catch a fatal signal and tidy up before quitting
153 */
154/* EXTPROTO */
155RETSIGTYPE
156rxvt_Exit_signal(int sig)
157{
158 signal(sig, SIG_DFL);
159#ifdef DEBUG_CMD
160 rxvt_print_error("signal %d", sig);
161#endif
162 rxvt_clean_exit();
163 kill(getpid(), sig);
164}
165
166/* ARGSUSED */
167/* INTPROTO */
168int
169rxvt_xerror_handler(const Display *display __attribute__((unused)), const XErrorEvent *event)
170{
171 dR;
172
173 if (R->h->allowedxerror == -1) {
174 R->h->allowedxerror = event->error_code;
175 return 0; /* ignored anyway */
176 } 338 }
177 rxvt_print_error("XError: Request: %d . %d, Error: %d", 339
178 event->request_code, event->minor_code, 340 check_ev.stop ();
179 event->error_code); 341 pty_ev.stop ();
180 /* XXX: probably should call rxvt_clean_exit() bypassing X routines */ 342#ifdef CURSOR_BLINK
181 exit(EXIT_FAILURE); 343 cursor_blink_ev.stop ();
182 /* NOTREACHED */ 344#endif
345#ifdef TEXT_BLINK
346 text_blink_ev.stop ();
347#endif
348#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
349 cont_scroll_ev.stop ();
350#endif
351#ifdef SELECTION_SCROLLING
352 sel_scroll_ev.stop ();
353#endif
354#ifdef POINTER_BLANK
355 pointer_ev.stop ();
356#endif
357
358 destroy_ev.start (0);
359}
360
361void
362rxvt_term::destroy_cb (time_watcher &w)
363{
364 make_current ();
365
366 delete this;
183} 367}
184 368
185/*----------------------------------------------------------------------*/ 369/*----------------------------------------------------------------------*/
186/* 370/*
187 * Exit gracefully, clearing the utmp entry and restoring tty attributes 371 * Exit gracefully, clearing the utmp entry and restoring tty attributes
188 * TODO: if debugging, this should free up any known resources if we can 372 * TODO: if debugging, this should free up any known resources if we can
189 */ 373 */
190/* EXTPROTO */ 374static XErrorHandler old_xerror_handler;
191void
192rxvt_clean_exit(void)
193{
194 dR;
195 375
196#ifdef DEBUG_SCREEN 376static void
197 rxvt_scr_release(aR); 377rxvt_emergency_cleanup ()
378{
379 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
380 (*t)->emergency_cleanup ();
381}
382
383#if ENABLE_FRILLS
384static void
385print_x_error (Display *dpy, XErrorEvent *event)
386{
387 char buffer[BUFSIZ];
388 char mesg[BUFSIZ];
389 char number[32];
390 char *mtype = "XlibMessage";
391 XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
392 XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
393 rxvt_warn ("An X Error occured, trying to continue after report.\n");
394 rxvt_warn ("%s: %s\n", mesg, buffer);
395 XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
396 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
397 sprintf(number, "%d", event->request_code);
398 XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
399 rxvt_warn ("(which is %s)\n", buffer);
400 if (event->request_code >= 128) {
401 XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
402 mesg, BUFSIZ);
403 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
404 }
405 if ((event->error_code == BadWindow) ||
406 (event->error_code == BadPixmap) ||
407 (event->error_code == BadCursor) ||
408 (event->error_code == BadFont) ||
409 (event->error_code == BadDrawable) ||
410 (event->error_code == BadColor) ||
411 (event->error_code == BadGC) ||
412 (event->error_code == BadIDChoice) ||
413 (event->error_code == BadValue) ||
414 (event->error_code == BadAtom)) {
415 if (event->error_code == BadValue)
416 XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
417 mesg, BUFSIZ);
418 else if (event->error_code == BadAtom)
419 XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
420 mesg, BUFSIZ);
421 else
422 XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
423 mesg, BUFSIZ);
424 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
425 }
426 XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
427 mesg, BUFSIZ);
428 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
429}
198#endif 430#endif
199#ifndef NO_SETOWNER_TTYDEV 431
200 rxvt_privileged_ttydev(aR_ RESTORE); 432int
201#endif 433rxvt_xerror_handler (Display *display, XErrorEvent *event)
202#ifdef UTMP_SUPPORT 434{
203 rxvt_privileged_utmp(aR_ RESTORE); 435 if (GET_R->allowedxerror == -1)
204#endif 436 GET_R->allowedxerror = event->error_code;
205#ifdef USE_XIM 437 else
206 if (R->h->Input_Context != NULL) {
207 XDestroyIC(R->h->Input_Context);
208 R->h->Input_Context = NULL;
209 } 438 {
439 // GET_R is most likely not the terminal which caused the error,
440 // so just output the error and continue
441#if ENABLE_FRILLS
442 print_x_error (display, event);
443#else
444 old_xerror_handler (display, event);
210#endif 445#endif
446 }
447
448 return 0;
449}
450
451int
452rxvt_xioerror_handler (Display *display)
453{
454 rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
455 DisplayString (display));
456 rxvt_emergency_cleanup ();
457 _exit (EXIT_FAILURE);
458}
459
460/*----------------------------------------------------------------------*/
461bool
462rxvt_term::init (int argc, const char *const *argv)
463{
464 SET_R (this);
465 set_locale ("");
466 set_environ (envv); // few things in X do not call setlocale :(
467
468 if (!init_vars ())
469 return false;
470
471 init_secondary ();
472
473 const char **cmd_argv = init_resources (argc, argv);
474
475#ifdef KEYSYM_RESOURCE
476 keyboard->register_done ();
477#endif
478
479#ifdef HAVE_SCROLLBARS
480 if (OPTION (Opt_scrollBar))
481 scrollBar.setIdle (); /* set existence for size calculations */
482#endif
483
484#if ENABLE_PERL
485 if (!rs[Rs_perl_ext_1])
486 rs[Rs_perl_ext_1] = "default";
487
488 if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
489 || (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
490 || (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
491 {
492#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
493 // ignore some perl-related arguments if some bozo installed us set[ug]id
494 if (rxvt_tainted ())
495 {
496 if ((rs[Rs_perl_lib] && *rs[Rs_perl_lib])
497 || (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
498 {
499 rxvt_warn ("running with elevated privileges: ignoring perl-lib and perl-eval.\n");
500 rs[Rs_perl_lib] = 0;
501 rs[Rs_perl_eval] = 0;
502 }
503 }
504#endif
505 rxvt_perl.init (this);
506 HOOK_INVOKE ((this, HOOK_INIT, DT_END));
507 }
508#endif
509
510 pty = rxvt_new_ptytty ();
511
512 create_windows (argc, argv);
513
514 dDisp;
515
516 init_xlocale ();
517
518 scr_reset (); // initialize screen
519
520#if 0
521 XSynchronize (disp, True);
522#endif
523
524#ifdef HAVE_SCROLLBARS
525 if (OPTION (Opt_scrollBar))
526 resize_scrollbar (); /* create and map scrollbar */
527#endif
528#ifdef TRANSPARENT
529 if (OPTION (Opt_transparent))
530 {
531 XSelectInput (disp, display->root, PropertyChangeMask);
532 check_our_parents ();
533 rootwin_ev.start (display, display->root);
534 }
535#endif
536
537 XMapWindow (disp, vt);
538 XMapWindow (disp, parent[0]);
539
540 set_colorfgbg ();
541
542 init_command (cmd_argv);
543
544 free (cmd_argv);
545
546 if (pty->pty >= 0)
547 pty_ev.start (pty->pty, EVENT_READ);
548
549 check_ev.start ();
550
551 HOOK_INVOKE ((this, HOOK_START, DT_END));
552
553 return true;
554}
555
556static struct sig_handlers
557{
558 sig_watcher sw_chld, sw_term, sw_int;
559
560 void sig_chld (sig_watcher &w)
561 {
562 // we are being called for every SIGCHLD, find the corresponding term
563 int pid;
564
565 while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
566 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
567 if (pid == (*t)->cmd_pid)
568 {
569 (*t)->child_exit ();
570 break;
571 }
572 }
573
574 /*
575 * Catch a fatal signal and tidy up before quitting
576 */
577 void
578 sig_term (sig_watcher &w)
579 {
580#ifdef DEBUG_CMD
581 rxvt_warn ("caught signal %d, exiting.\n", w.signum);
582#endif
583 rxvt_emergency_cleanup ();
584 signal (w.signum, SIG_DFL);
585 kill (getpid (), w.signum);
586 }
587
588 sig_handlers ()
589 : sw_chld (this, &sig_handlers::sig_chld),
590 sw_term (this, &sig_handlers::sig_term),
591 sw_int (this, &sig_handlers::sig_term)
592 {
593 }
594} sig_handlers;
595
596char **rxvt_environ; // startup environment
597
598void
599rxvt_init ()
600{
601 uid_t uid = getuid ();
602 gid_t gid = getgid ();
603
604 // before doing anything else, check for setuid/setgid operation,
605 // start the helper process and drop privileges
606 if (uid != geteuid ()
607 || 1 //D
608 || gid != getegid ())
609 {
610#if PTYTTY_HELPER
611 rxvt_ptytty_server ();
612#else
613 rxvt_warn ("running setuid/setgid without pty helper compiled in, continuing unprivileged.\n");
614#endif
615
616 // drop privileges
617#if HAVE_SETRESUID
618 setresgid (gid, gid, gid);
619 setresuid (uid, uid, uid);
620#elif HAVE_SETREUID
621 setregid (gid, gid);
622 setreuid (uid, uid);
623#elif HAVE_SETUID
624 setgid (gid);
625 setuid (uid);
626#endif
627
628 if (uid != geteuid ()
629 || gid != getegid ())
630 rxvt_fatal ("unable to drop privileges, aborting.\n");
631 }
632
633 rxvt_environ = environ;
634
635 /*
636 * Save and then give up any super-user privileges
637 * If we need privileges in any area then we must specifically request it.
638 * We should only need to be root in these cases:
639 * 1. write utmp entries on some systems
640 * 2. chown tty on some systems
641 */
642 rxvt_privileges (SAVE);
643 rxvt_privileges (IGNORE);
644
645 signal (SIGHUP, SIG_IGN);
646 signal (SIGPIPE, SIG_IGN);
647
648 sig_handlers.sw_chld.start (SIGCHLD);
649 sig_handlers.sw_term.start (SIGTERM);
650 sig_handlers.sw_int.start (SIGINT);
651
652 /* need to trap SIGURG for SVR4 (Unixware) rlogin */
653 /* signal (SIGURG, SIG_DFL); */
654
655 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
656 // TODO: handle this with exceptions and tolerate the memory loss
657 XSetIOErrorHandler (rxvt_xioerror_handler);
658
659 XrmInitialize ();
211} 660}
212 661
213/* ------------------------------------------------------------------------- * 662/* ------------------------------------------------------------------------- *
214 * MEMORY ALLOCATION WRAPPERS * 663 * MEMORY ALLOCATION WRAPPERS *
215 * ------------------------------------------------------------------------- */ 664 * ------------------------------------------------------------------------- */
216/* EXTPROTO */ 665void *
666rxvt_malloc (size_t size)
667{
668 void *p = malloc (size);
669
670 if (!p)
671 rxvt_fatal ("memory allocation failure. aborting.\n");
672
673 return p;
674}
675
676void *
677rxvt_calloc (size_t number, size_t size)
678{
679 void *p = calloc (number, size);
680
681 if (!p)
682 rxvt_fatal ("memory allocation failure. aborting.\n");
683
684 return p;
685}
686
217void * 687void *
218rxvt_malloc(size_t size)
219{
220 void *p;
221
222 p = malloc(size);
223 if (p)
224 return p;
225
226 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
227 rxvt_clean_exit();
228 exit(EXIT_FAILURE);
229 /* NOTREACHED */
230}
231
232/* EXTPROTO */
233void *
234rxvt_calloc(size_t number, size_t size)
235{
236 void *p;
237
238 p = calloc(number, size);
239 if (p)
240 return p;
241
242 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
243 rxvt_clean_exit();
244 exit(EXIT_FAILURE);
245 /* NOTREACHED */
246}
247
248/* EXTPROTO */
249void *
250rxvt_realloc(void *ptr, size_t size) 688rxvt_realloc (void *ptr, size_t size)
251{ 689{
252 void *p;
253
254 if (ptr)
255 p = realloc(ptr, size); 690 void *p = realloc (ptr, size);
256 else 691
257 p = malloc(size);
258 if (p) 692 if (!p)
693 rxvt_fatal ("memory allocation failure. aborting.\n");
694
259 return p; 695 return p;
260
261 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
262 rxvt_clean_exit();
263 exit(EXIT_FAILURE);
264 /* NOTREACHED */
265} 696}
697
266/* ------------------------------------------------------------------------- * 698/* ------------------------------------------------------------------------- *
267 * PRIVILEGED OPERATIONS * 699 * PRIVILEGED OPERATIONS *
268 * ------------------------------------------------------------------------- */ 700 * ------------------------------------------------------------------------- */
269/* take care of suid/sgid super-user (root) privileges */ 701/* take care of suid/sgid super-user (root) privileges */
270/* INTPROTO */
271void 702void
272rxvt_privileges(pR_ int mode) 703rxvt_privileges (rxvt_privaction action)
273{ 704{
274#if ! defined(__CYGWIN32__) 705#if ! defined(__CYGWIN32__)
275# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) 706# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
276/* setreuid() is the poor man's setuid(), seteuid() */ 707 /* setreuid () is the poor man's setuid (), seteuid () */
277# define seteuid(a) setreuid(-1, (a)) 708# define seteuid(a) setreuid(-1, (a))
278# define setegid(a) setregid(-1, (a)) 709# define setegid(a) setregid(-1, (a))
279# define HAVE_SETEUID 710# define HAVE_SETEUID
280# endif 711# endif
281# ifdef HAVE_SETEUID 712# ifdef HAVE_SETEUID
282 switch (mode) { 713 switch (action)
714 {
283 case IGNORE: 715 case IGNORE:
284 /* 716 /*
285 * change effective uid/gid - not real uid/gid - so we can switch 717 * change effective uid/gid - not real uid/gid - so we can switch
286 * back to root later, as required 718 * back to root later, as required
287 */ 719 */
288 seteuid(getuid());
289 setegid(getgid()); 720 setegid (getgid ());
290 break; 721 seteuid (getuid ());
722 break;
291 case SAVE: 723 case SAVE:
292 R->h->euid = geteuid(); 724 saved_egid = getegid ();
293 R->h->egid = getegid(); 725 saved_euid = geteuid ();
294 break; 726 break;
295 case RESTORE: 727 case RESTORE:
296 seteuid(R->h->euid); 728 setegid (saved_egid);
297 setegid(R->h->egid); 729 seteuid (saved_euid);
298 break; 730 break;
299 } 731 }
300# else 732# else
301 switch (mode) { 733 switch (action)
734 {
302 case IGNORE: 735 case IGNORE:
303 setuid(getuid());
304 setgid(getgid()); 736 setgid (getgid ());
737 setuid (getuid ());
305 /* FALLTHROUGH */ 738 /* FALLTHROUGH */
306 case SAVE: 739 case SAVE:
307 /* FALLTHROUGH */ 740 /* FALLTHROUGH */
308 case RESTORE: 741 case RESTORE:
309 break; 742 break;
310 } 743 }
311# endif 744# endif
312#endif 745#endif
313} 746}
314
315#ifdef UTMP_SUPPORT
316/* EXTPROTO */
317void
318rxvt_privileged_utmp(pR_ char action)
319{
320 struct rxvt_hidden *h = R->h;
321
322 D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)", action, h->next_utmp_action, getpid()));
323 if (h->next_utmp_action != action
324 || (action != SAVE && action != RESTORE)
325 || (R->Options & Opt_utmpInhibit)
326 || h->ttydev == NULL
327 || *h->ttydev == '\0')
328 return;
329
330 rxvt_privileges(aR_ RESTORE);
331 if (action == SAVE) {
332 h->next_utmp_action = RESTORE;
333 rxvt_makeutent(aR_ h->ttydev, h->rs[Rs_display_name]);
334 } else { /* action == RESTORE */
335 h->next_utmp_action = IGNORE;
336 rxvt_cleanutent(aR);
337 }
338 rxvt_privileges(aR_ IGNORE);
339}
340#endif
341
342#ifndef NO_SETOWNER_TTYDEV
343/* EXTPROTO */
344void
345rxvt_privileged_ttydev(pR_ char action)
346{
347 struct rxvt_hidden *h = R->h;
348
349 D_MAIN((stderr, "rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)", action, h->next_tty_action, getpid()));
350 if (h->next_tty_action != action
351 || (action != SAVE && action != RESTORE)
352 || h->ttydev == NULL
353 || *h->ttydev == '\0')
354 return;
355
356 rxvt_privileges(aR_ RESTORE);
357
358 if (action == SAVE) {
359 h->next_tty_action = RESTORE;
360# ifndef RESET_TTY_TO_COMMON_DEFAULTS
361/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
362 if (lstat(h->ttydev, &h->ttyfd_stat) < 0) /* you lose out */
363 h->next_tty_action = IGNORE;
364 else
365# endif
366 {
367 chown(h->ttydev, getuid(), h->ttygid); /* fail silently */
368 chmod(h->ttydev, h->ttymode);
369# ifdef HAVE_REVOKE
370 revoke(h->ttydev);
371# endif
372 }
373 } else { /* action == RESTORE */
374 h->next_tty_action = IGNORE;
375# ifndef RESET_TTY_TO_COMMON_DEFAULTS
376 chmod(h->ttydev, h->ttyfd_stat.st_mode);
377 chown(h->ttydev, h->ttyfd_stat.st_uid, h->ttyfd_stat.st_gid);
378# else
379 chmod(h->ttydev,
380 (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
381 chown(h->ttydev, 0, 0);
382# endif
383 }
384
385 rxvt_privileges(aR_ IGNORE);
386
387# ifndef RESET_TTY_TO_COMMON_DEFAULTS
388 D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d", action == RESTORE ? "Restoring" : (action == SAVE ? "Saving" : "UNKNOWN ERROR for"), h->ttydev, h->ttyfd_stat.st_mode, h->ttyfd_stat.st_uid, h->ttyfd_stat.st_gid));
389# endif
390}
391#endif
392 747
393/*----------------------------------------------------------------------*/ 748/*----------------------------------------------------------------------*/
394/* 749/*
395 * window size/position calculcations for XSizeHint and other storage. 750 * window size/position calculcations for XSizeHint and other storage.
396 * if width/height are non-zero then override calculated width/height 751 * if width/height are non-zero then override calculated width/height
397 */ 752 */
398/* EXTPROTO */
399void 753void
400rxvt_window_calc(pR_ unsigned int width, unsigned int height) 754rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
401{ 755{
402 short recalc_x, recalc_y; 756 short recalc_x, recalc_y;
403 int x, y, sb_w, mb_h, flags; 757 int x, y, sb_w, flags;
404 unsigned int w, h; 758 unsigned int w, h;
405 unsigned int max_width, max_height; 759 unsigned int max_width, max_height;
760 dDisp;
406 761
407 D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", R->TermWin.ncol, R->TermWin.nrow, R->szHint.width, R->szHint.height)); 762 D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
763 ncol, nrow, szHint.width, szHint.height));
764
408 R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; 765 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
409 R->szHint.win_gravity = NorthWestGravity; 766 szHint.win_gravity = NorthWestGravity;
410 /* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */ 767 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
411 768
412 recalc_x = recalc_y = 0; 769 recalc_x = recalc_y = 0;
413 flags = 0; 770 flags = 0;
771
414 if (!R->h->parsed_geometry) { 772 if (!parsed_geometry)
773 {
415 R->h->parsed_geometry = 1; 774 parsed_geometry = 1;
775
416 if (R->h->rs[Rs_geometry]) 776 if (rs[Rs_geometry])
417 flags = XParseGeometry(R->h->rs[Rs_geometry], &x, &y, &w, &h); 777 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
778
418 if (flags & WidthValue) { 779 if (flags & WidthValue)
419 R->TermWin.ncol = BOUND_POSITIVE_INT16(w); 780 {
420 R->szHint.flags |= USSize; 781 ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
421 } 782 szHint.flags |= USSize;
783 }
784
422 if (flags & HeightValue) { 785 if (flags & HeightValue)
423 R->TermWin.nrow = BOUND_POSITIVE_INT16(h); 786 {
424 R->szHint.flags |= USSize; 787 nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
425 } 788 szHint.flags |= USSize;
789 }
790
426 if (flags & XValue) { 791 if (flags & XValue)
427 R->szHint.x = x; 792 {
793 szHint.x = x;
428 R->szHint.flags |= USPosition; 794 szHint.flags |= USPosition;
795
429 if (flags & XNegative) { 796 if (flags & XNegative)
430 recalc_x = 1; 797 {
798 recalc_x = 1;
431 R->szHint.win_gravity = NorthEastGravity; 799 szHint.win_gravity = NorthEastGravity;
800 }
801 }
802
803 if (flags & YValue)
804 {
805 szHint.y = y;
806 szHint.flags |= USPosition;
807
808 if (flags & YNegative)
809 {
810 recalc_y = 1;
811
812 if (szHint.win_gravity == NorthEastGravity)
813 szHint.win_gravity = SouthEastGravity;
814 else
815 szHint.win_gravity = SouthWestGravity;
816 }
817 }
432 } 818 }
433 } 819
434 if (flags & YValue) {
435 R->szHint.y = y;
436 R->szHint.flags |= USPosition;
437 if (flags & YNegative) {
438 recalc_y = 1;
439 if (R->szHint.win_gravity == NorthEastGravity)
440 R->szHint.win_gravity = SouthEastGravity;
441 else
442 R->szHint.win_gravity = SouthWestGravity;
443 }
444 }
445 }
446/* TODO: BOUNDS */ 820 /* TODO: BOUNDS */
447 R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth; 821 width = ncol * fwidth;
448 R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight; 822 height = nrow * fheight;
449 max_width = MAX_COLS * R->TermWin.fwidth; 823 max_width = MAX_COLS * fwidth;
450 max_height = MAX_ROWS * R->TermWin.fheight; 824 max_height = MAX_ROWS * fheight;
451 825
452 R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth; 826 szHint.base_width = szHint.base_height = 2 * int_bwidth;
453 827
454 sb_w = mb_h = 0; 828 sb_w = 0;
455 R->h->window_vt_x = R->h->window_vt_y = 0; 829 window_vt_x = window_vt_y = int_bwidth;
456 if (scrollbar_visible(R)) { 830
831 if (scrollBar.state)
832 {
457 sb_w = scrollbar_TotalWidth(); 833 sb_w = scrollbar_TotalWidth ();
458 R->szHint.base_width += sb_w; 834 szHint.base_width += sb_w;
459 if (!(R->Options & Opt_scrollBar_right)) 835 if (!OPTION (Opt_scrollBar_right))
460 R->h->window_vt_x = sb_w; 836 window_vt_x += sb_w;
461 } 837 }
462 if (menubar_visible(R)) { 838
463 mb_h = menuBar_TotalHeight();
464 R->szHint.base_height += mb_h;
465 R->h->window_vt_y = mb_h;
466 }
467 R->szHint.width_inc = R->TermWin.fwidth; 839 szHint.width_inc = fwidth;
468 R->szHint.height_inc = R->TermWin.fheight; 840 szHint.height_inc = fheight;
469 R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc; 841 szHint.min_width = szHint.base_width + szHint.width_inc;
470 R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc; 842 szHint.min_height = szHint.base_height + szHint.height_inc;
471 843
472 if (width && width - R->szHint.base_width < max_width) { 844 if (newwidth && newwidth - szHint.base_width < max_width)
473 R->szHint.width = width;
474 R->TermWin.width = width - R->szHint.base_width;
475 } else {
476 MIN_IT(R->TermWin.width, max_width);
477 R->szHint.width = R->szHint.base_width + R->TermWin.width;
478 } 845 {
846 szHint.width = newwidth;
847 width = newwidth - szHint.base_width;
848 }
849 else
850 {
851 min_it (width, max_width);
852 szHint.width = szHint.base_width + width;
853 }
854
479 if (height && height - R->szHint.base_height < max_height) { 855 if (newheight && newheight - szHint.base_height < max_height)
480 R->szHint.height = height;
481 R->TermWin.height = height - R->szHint.base_height;
482 } else {
483 MIN_IT(R->TermWin.height, max_height);
484 R->szHint.height = R->szHint.base_height + R->TermWin.height;
485 } 856 {
486 if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right)) 857 szHint.height = newheight;
858 height = newheight - szHint.base_height;
859 }
860 else
861 {
862 min_it (height, max_height);
863 szHint.height = szHint.base_height + height;
864 }
865
866 if (scrollBar.state && OPTION (Opt_scrollBar_right))
487 R->h->window_sb_x = R->szHint.width - sb_w; 867 window_sb_x = szHint.width - sb_w;
488 868
489 if (recalc_x) 869 if (recalc_x)
490 R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen) 870 szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
491 - R->szHint.width - 2 * R->TermWin.ext_bwidth);
492 if (recalc_y) 871 if (recalc_y)
493 R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen) 872 szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
494 - R->szHint.height - 2 * R->TermWin.ext_bwidth);
495 873
496 R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth; 874 ncol = width / fwidth;
497 R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight; 875 nrow = height / fheight;
498 D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", R->TermWin.ncol, R->TermWin.nrow, R->szHint.width, R->szHint.height)); 876 D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
877 ncol, nrow, szHint.width,
878 szHint.height));
499 return; 879 return;
500} 880}
501 881
502/*----------------------------------------------------------------------*/ 882/*----------------------------------------------------------------------*/
503/* 883/*
504 * Tell the teletype handler what size the window is. 884 * Tell the teletype handler what size the window is.
505 * Called after a window size change. 885 * Called after a window size change.
506 */ 886 */
507/* EXTPROTO */
508void 887void
509rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid) 888rxvt_term::tt_winch ()
510{ 889{
890 if (pty->pty < 0)
891 return;
892
511 struct winsize ws; 893 struct winsize ws;
512 894
513 if (fd < 0)
514 return;
515 ws.ws_col = col; 895 ws.ws_col = ncol;
516 ws.ws_row = row; 896 ws.ws_row = nrow;
517 ws.ws_xpixel = ws.ws_ypixel = 0; 897 ws.ws_xpixel = width;
518#ifndef DEBUG_SIZE 898 ws.ws_ypixel = height;
519 (void)ioctl(fd, TIOCSWINSZ, &ws); 899 (void)ioctl (pty->pty, TIOCSWINSZ, &ws);
520#else 900
521 if (ioctl(fd, TIOCSWINSZ, &ws) < 0) { 901#if 0
522 D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd)); 902 // TIOCSWINSZ⎈ is supposed to do this automatically and correctly
523 }
524# ifdef SIGWINCH
525 else if (pid) /* force through to the command */ 903 if (cmd_pid) /* force through to the command */
526 kill(pid, SIGWINCH); 904 kill (-cmd_pid, SIGWINCH);
527# endif
528#endif 905#endif
529} 906}
530 907
531/*----------------------------------------------------------------------*/ 908/*----------------------------------------------------------------------*/
532/* rxvt_change_font() - Switch to a new font */ 909/* set_fonts () - load and set the various fonts
533/* 910 *
534 * init = 1 - initialize 911 * init = 1 - initialize
535 * 912 *
536 * fontname == FONT_UP - switch to bigger font 913 * fontname == FONT_UP - switch to bigger font
537 * fontname == FONT_DN - switch to smaller font 914 * fontname == FONT_DN - switch to smaller font
538 */ 915 */
539/* EXTPROTO */ 916bool
540void 917rxvt_term::set_fonts ()
541rxvt_change_font(pR_ int init, const char *fontname)
542{ 918{
543} 919 rxvt_fontset *fs = new rxvt_fontset (this);
920 rxvt_fontprop prop;
544 921
545/* INTPROTO */ 922 if (!fs
546void 923 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
547rxvt_font_up_down(pR_ int n, int direction) 924 || !fs->realize_font (1))
925 {
926 delete fs;
927 return false;
928 }
929
930#if ENABLE_STYLES
931 for (int i = RS_styleCount; --i; )
932 if (fontset[i] != fontset[0])
933 delete fontset[i];
934#endif
935
936 delete fontset[0];
937 fontset[0] = fs;
938
939 prop = (*fs)[1]->properties ();
940 prop.height += lineSpace;
941 fs->set_prop (prop);
942
943 fwidth = prop.width;
944 fheight = prop.height;
945 fbase = prop.ascent;
946
947 for (int style = 1; style < 4; style++)
948 {
949#if ENABLE_STYLES
950 const char *res = rs[Rs_font + style];
951
952 if (res && !*res)
953 fontset[style] = fontset[0];
954 else
955 {
956 fontset[style] = fs = new rxvt_fontset (this);
957 rxvt_fontprop prop2 = prop;
958
959 if (res)
960 prop2.weight = prop2.slant = rxvt_fontprop::unset;
961 else
962 {
963 res = fontset[0]->fontdesc;
964
965 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
966 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
967 }
968
969 fs->populate (res);
970 fs->set_prop (prop2);
971 }
972#else
973 fontset[style] = fontset[0];
974#endif
975 }
976
977 if (parent[0])
978 {
979 resize_all_windows (0, 0, 0);
980 scr_remap_chars ();
981 scr_touch (true);
982 }
983
984 return true;
985}
986
987void rxvt_term::set_string_property (Atom prop, const char *str, int len)
548{ 988{
989 XChangeProperty (display->display, parent[0],
990 prop, XA_STRING, 8, PropModeReplace,
991 (const unsigned char *)str, len >= 0 ? len : strlen (str));
992}
993
994void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
995{
996 wchar_t *ws = rxvt_mbstowcs (str, len);
997 char *s = rxvt_wcstoutf8 (ws);
998
999 XChangeProperty (display->display, parent[0],
1000 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
1001 (const unsigned char *)s, strlen (s));
1002
1003 free (s);
1004 free (ws);
549} 1005}
550 1006
551/*----------------------------------------------------------------------*/ 1007/*----------------------------------------------------------------------*/
552/*----------------------------------------------------------------------*/ 1008/*----------------------------------------------------------------------*/
553/* xterm sequences - title, iconName, color (exptl) */ 1009/* xterm sequences - title, iconName, color (exptl) */
554/* EXTPROTO */
555void 1010void
556rxvt_set_title(pR_ const char *str) 1011rxvt_term::set_title (const char *str)
557{ 1012{
558#ifndef SMART_WINDOW_TITLE 1013 set_string_property (XA_WM_NAME, str);
559 XStoreName(R->Xdisplay, R->TermWin.parent[0], str); 1014#if ENABLE_EWMH
1015 set_utf8_property (xa[XA_NET_WM_NAME], str);
1016#endif
1017}
1018
1019void
1020rxvt_term::set_icon_name (const char *str)
1021{
1022 set_string_property (XA_WM_ICON_NAME, str);
1023#if ENABLE_EWMH
1024 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
1025#endif
1026}
1027
1028#ifdef XTERM_COLOR_CHANGE
1029void
1030rxvt_term::set_window_color (int idx, const char *color)
1031{
1032 rxvt_color xcol;
1033 int i;
1034
1035 if (color == NULL || *color == '\0')
1036 return;
1037
1038 /* handle color aliases */
1039 if (isdigit (*color))
1040 {
1041 i = atoi (color);
1042
1043 if (i >= 8 && i <= 15)
1044 { /* bright colors */
1045 i -= 8;
1046 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
1047 SET_PIXCOLOR (idx);
1048 goto done;
1049 }
1050
1051 if (i >= 0 && i <= 7)
1052 { /* normal colors */
1053 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
1054 SET_PIXCOLOR (idx);
1055 goto done;
1056 }
1057 }
1058
1059 if (!rXParseAllocColor (&xcol, color))
1060 return;
1061
1062 /* XStoreColor (display->display, display->cmap, XColor*); */
1063
1064 /*
1065 * FIXME: should free colors here, but no idea how to do it so instead,
1066 * so just keep gobbling up the colormap
1067 */
1068# if 0
1069 for (i = Color_Black; i <= Color_White; i++)
1070 if (pix_colors[idx] == pix_colors[i])
1071 break;
1072 if (i > Color_White)
1073 {
1074 /* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
1075 XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
1076 DisplayPlanes (display->display, display->screen));
1077 }
1078# endif
1079
1080 pix_colors_focused[idx] = xcol;
1081 SET_PIXCOLOR (idx);
1082
1083 /* XSetWindowAttributes attr; */
1084 /* Cursor cursor; */
1085done:
1086
1087#if OFF_FOCUS_FADING
1088 if (rs[Rs_fade])
1089 pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
1090#endif
1091
1092 /*TODO: handle Color_BD, scrollbar background, etc. */
1093
1094 recolour_cursor ();
1095 scr_recolour ();
1096}
1097
560#else 1098#else
561 char *name;
562
563 if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
564 name = NULL;
565 if (name == NULL || STRCMP(name, str))
566 XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
567 if (name)
568 XFree(name);
569#endif
570}
571
572/* EXTPROTO */
573void
574rxvt_set_iconName(pR_ const char *str)
575{
576#ifndef SMART_WINDOW_TITLE
577 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
578#else
579 char *name;
580
581 if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
582 name = NULL;
583 if (name == NULL || STRCMP(name, str))
584 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
585 if (name)
586 XFree(name);
587#endif
588}
589
590#ifdef XTERM_COLOR_CHANGE
591/* EXTPROTO */
592void
593rxvt_set_window_color(pR_ int idx, const char *color)
594{
595 rxvt_color xcol;
596 int i;
597
598 if (color == NULL || *color == '\0')
599 return;
600
601/* handle color aliases */
602 if (isdigit(*color)) {
603 i = atoi(color);
604 if (i >= 8 && i <= 15) { /* bright colors */
605 i -= 8;
606# ifndef NO_BRIGHTCOLOR
607 R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
608 SET_PIXCOLOR(R->h, idx);
609 goto Done;
610# endif
611 }
612 if (i >= 0 && i <= 7) { /* normal colors */
613 R->PixColors[idx] = R->PixColors[minCOLOR + i];
614 SET_PIXCOLOR(R->h, idx);
615 goto Done;
616 }
617 }
618 if (!rxvt_rXParseAllocColor(aR_ &xcol, color))
619 return;
620/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
621
622/*
623 * FIXME: should free colors here, but no idea how to do it so instead,
624 * so just keep gobbling up the colormap
625 */
626# if 0
627 for (i = Color_Black; i <= Color_White; i++)
628 if (R->PixColors[idx] == R->PixColors[i])
629 break;
630 if (i > Color_White) {
631 /* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
632 XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
633 DisplayPlanes(R->Xdisplay, Xscreen));
634 }
635# endif
636
637 R->PixColors[idx] = xcol;
638 SET_PIXCOLOR(R->h, idx);
639
640/* XSetWindowAttributes attr; */
641/* Cursor cursor; */
642 Done:
643 if (idx == Color_bg && !(R->Options & Opt_transparent))
644 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
645 R->PixColors[Color_bg]);
646
647/* handle Color_BD, scrollbar background, etc. */
648
649 rxvt_set_colorfgbg(aR);
650 rxvt_recolour_cursor(aR);
651/* the only reasonable way to enforce a clean update */
652 rxvt_scr_poweron(aR);
653}
654
655#else
656# define rxvt_set_window_color(aR_ idx,color) ((void)0) 1099# define set_window_color (idx,color) ((void)0)
657#endif /* XTERM_COLOR_CHANGE */ 1100#endif /* XTERM_COLOR_CHANGE */
658 1101
659/* EXTPROTO */
660void 1102void
661rxvt_recolour_cursor(pR) 1103rxvt_term::recolour_cursor ()
662{ 1104{
663 rxvt_color xcol[2]; 1105 XColor xcol[2];
664 1106
665#if TODO 1107 xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
666 xcol[0] = R->PixColors[Color_pointer]; 1108 ? pix_colors_focused[Color_pointer_fg]
667 xcol[1] = R->PixColors[Color_bg]; 1109 : pix_colors_focused[Color_fg];
668 XQueryColors(R->Xdisplay, XCMAP, xcol, 2); 1110 xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
1111 ? pix_colors_focused[Color_pointer_bg]
1112 : pix_colors_focused[Color_bg];
1113
1114 XQueryColors (display->display, display->cmap, xcol, 2);
669 XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1])); 1115 XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
670#endif
671} 1116}
672 1117
673/*----------------------------------------------------------------------*/ 1118/*----------------------------------------------------------------------*/
674/* 1119/*
675 * find if fg/bg matches any of the normal (low-intensity) colors 1120 * find if fg/bg matches any of the normal (low-intensity) colors
676 */ 1121 */
677/* INTPROTO */
678void 1122void
679rxvt_set_colorfgbg(pR) 1123rxvt_term::set_colorfgbg ()
680{ 1124{
681 unsigned int i; 1125 unsigned int i;
682 const char *xpmb = "\0"; 1126 const char *xpmb = "\0";
683 char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1]; 1127 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
684 1128
685 R->h->env_colorfgbg = (char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1); 1129 env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
686 STRCPY(fstr, "default"); 1130 strcpy (fstr, "default");
687 STRCPY(bstr, "default"); 1131 strcpy (bstr, "default");
688 for (i = Color_Black; i <= Color_White; i++) 1132 for (i = Color_Black; i <= Color_White; i++)
689 if (R->PixColors[Color_fg] == R->PixColors[i]) { 1133 if (pix_colors[Color_fg] == pix_colors[i])
1134 {
690 sprintf(fstr, "%d", (i - Color_Black)); 1135 sprintf (fstr, "%d", (i - Color_Black));
691 break; 1136 break;
692 } 1137 }
1138
693 for (i = Color_Black; i <= Color_White; i++) 1139 for (i = Color_Black; i <= Color_White; i++)
694 if (R->PixColors[Color_bg] == R->PixColors[i]) { 1140 if (pix_colors[Color_bg] == pix_colors[i])
1141 {
695 sprintf(bstr, "%d", (i - Color_Black)); 1142 sprintf (bstr, "%d", (i - Color_Black));
696#ifdef XPM_BACKGROUND 1143#ifdef XPM_BACKGROUND
697 xpmb = "default;"; 1144 xpmb = "default;";
698#endif 1145#endif
699 break; 1146 break;
700 } 1147 }
1148
701 sprintf(R->h->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); 1149 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
702 putenv(R->h->env_colorfgbg);
703
704#ifndef NO_BRIGHTCOLOR
705 R->h->colorfgbg = DEFAULT_RSTYLE;
706 for (i = minCOLOR; i <= maxCOLOR; i++) {
707 if (R->PixColors[Color_fg] == R->PixColors[i])
708 R->h->colorfgbg = SET_FGCOLOR(R->h->colorfgbg, i);
709 if (R->PixColors[Color_bg] == R->PixColors[i])
710 R->h->colorfgbg = SET_BGCOLOR(R->h->colorfgbg, i);
711 }
712#endif
713} 1150}
714 1151
715/*----------------------------------------------------------------------*/ 1152/*----------------------------------------------------------------------*/
716/*
717 * Colour determination for low colour displays, routine from
718 * Hans de Goede <hans@highrise.nl>
719 */
720 1153
721/* EXTPROTO */
722int 1154int
723rxvt_rXParseAllocColor(pR_ rxvt_color *screen_in_out, const char *colour) 1155rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
724{ 1156{
725 screen_in_out->set (aR_ colour);
726
727 if (!screen_in_out->set (aR_ colour)) 1157 if (!screen_in_out->set (display, colour))
728 { 1158 {
729 rxvt_print_error("can't allocate colour: %s", colour); 1159 rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
730 return false; 1160 return false;
731 } 1161 }
732 1162
733 return true; 1163 return true;
734} 1164}
735 1165
736/* -------------------------------------------------------------------- * 1166/* -------------------------------------------------------------------- *
737 * - WINDOW RESIZING - * 1167 * - WINDOW RESIZING - *
738 * -------------------------------------------------------------------- */ 1168 * -------------------------------------------------------------------- */
739/* EXTPROTO */
740void 1169void
741rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height, int ignoreparent) 1170rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
742{ 1171{
743 int fix_screen; 1172 int fix_screen;
1173 int old_width = szHint.width, old_height = szHint.height;
1174 dDisp;
1175
1176 window_calc (newwidth, newheight);
1177 XSetWMNormalHints (disp, parent[0], &szHint);
1178
1179 if (!ignoreparent)
1180 {
744#ifdef SMART_RESIZE 1181#ifdef SMART_RESIZE
745 int old_width = R->szHint.width, 1182 /*
746 old_height = R->szHint.height;
747#endif
748
749 rxvt_window_calc(aR_ width, height);
750 XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
751 if (!ignoreparent) {
752#ifdef SMART_RESIZE
753/*
754 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> 1183 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
755 * reposition window on resize depending on placement on screen 1184 * reposition window on resize depending on placement on screen
756 */ 1185 */
757 int x, y, x1, y1; 1186 int x, y, x1, y1;
758 int dx, dy; 1187 int dx, dy;
759 unsigned int unused_w1, unused_h1, unused_b1, unused_d1; 1188 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
760 Window unused_cr; 1189 Window unused_cr;
761 1190
762 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot, 1191 XTranslateCoordinates (disp, parent[0], display->root,
763 0, 0, &x, &y, &unused_cr); 1192 0, 0, &x, &y, &unused_cr);
764 XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1, 1193 XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
765 &unused_w1, &unused_h1, &unused_b1, &unused_d1); 1194 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
766 /* 1195 /*
767 * if Xroot isn't the parent window, a WM will probably have offset 1196 * if display->root isn't the parent window, a WM will probably have offset
768 * our position for handles and decorations. Counter it 1197 * our position for handles and decorations. Counter it
769 */ 1198 */
770 if (x1 != x || y1 != y) { 1199 if (x1 != x || y1 != y)
1200 {
771 x -= x1; 1201 x -= x1;
772 y -= y1; 1202 y -= y1;
773 } 1203 }
774 1204
775 x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2; 1205 x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
776 y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2; 1206 y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
777 dx = old_width - R->szHint.width; 1207 dx = old_width - szHint.width;
778 dy = old_height - R->szHint.height; 1208 dy = old_height - szHint.height;
779 1209
780 /* Check position of the center of the window */ 1210 /* Check position of the center of the window */
781 if (x < x1) /* left half */ 1211 if (x < x1) /* left half */
782 dx = 0; 1212 dx = 0;
783 else if (x == x1) /* exact center */ 1213 else if (x == x1) /* exact center */
784 dx /= 2; 1214 dx /= 2;
785 if (y < y1) /* top half */ 1215 if (y < y1) /* top half */
786 dy = 0; 1216 dy = 0;
787 else if (y == y1) /* exact center */ 1217 else if (y == y1) /* exact center */
788 dy /= 2; 1218 dy /= 2;
789 1219
790 XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy, 1220 XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
791 R->szHint.width, R->szHint.height); 1221 szHint.width, szHint.height);
792#else 1222#else
793 XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width, 1223 XResizeWindow (disp, parent[0], szHint.width, szHint.height);
794 R->szHint.height);
795#endif 1224#endif
796 } 1225 }
797 1226
798 fix_screen = (R->TermWin.ncol != R->h->prev_ncol 1227 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
799 || R->TermWin.nrow != R->h->prev_nrow); 1228
800 if (fix_screen || width != R->h->old_width || height != R->h->old_height) { 1229 if (fix_screen || newwidth != old_width || newheight != old_height)
801 if (scrollbar_visible(R)) { 1230 {
802 XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->h->window_sb_x, 1231 if (scrollBar.state)
803 0, scrollbar_TotalWidth(), R->szHint.height); 1232 {
804 rxvt_Resize_scrollBar(aR); 1233 XMoveResizeWindow (disp, scrollBar.win,
805 } 1234 window_sb_x, 0,
806 if (menubar_visible(R)) 1235 scrollbar_TotalWidth (), szHint.height);
807 XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->h->window_vt_x, 1236 resize_scrollbar ();
808 0, TermWin_TotalWidth(), menuBar_TotalHeight()); 1237 }
809 XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->h->window_vt_x, 1238
810 R->h->window_vt_y, TermWin_TotalWidth(), 1239 XMoveResizeWindow (disp, vt,
811 TermWin_TotalHeight()); 1240 window_vt_x, window_vt_y,
812#ifdef RXVT_GRAPHICS 1241 width, height);
813 if (R->h->old_height) 1242
814 rxvt_Gr_Resize(aR_ R->h->old_width - R->szHint.base_width, 1243 scr_clear ();
815 R->h->old_height - R->szHint.base_height);
816#endif
817 rxvt_scr_clear(aR);
818#ifdef XPM_BACKGROUND 1244#ifdef XPM_BACKGROUND
819 rxvt_resize_pixmap(aR); 1245 resize_pixmap ();
820#endif 1246#endif
821 } 1247 }
822 1248
823 if (fix_screen || R->h->old_height == 0) { 1249 if (fix_screen || old_height == 0)
824 int curr_screen = -1; 1250 {
825 uint16_t old_ncol = R->h->prev_ncol; 1251 int curr_screen = -1;
1252 int old_ncol = prev_ncol;
826 1253
827 /* scr_reset only works on the primary screen */ 1254 /* scr_reset only works on the primary screen */
828 if (R->h->old_height) /* this is not the first time through */ 1255 if (old_height) /* this is not the first time through */
1256 {
1257 unsigned int ocol = ncol;
1258 ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
829 curr_screen = rxvt_scr_change_screen(aR_ PRIMARY); 1259 curr_screen = scr_change_screen (PRIMARY);
830 rxvt_scr_reset(aR); 1260 ncol = ocol;
1261 }
1262
1263 scr_reset ();
1264
831 if (curr_screen >= 0) { /* this is not the first time through */ 1265 if (curr_screen >= 0) /* this is not the first time through */
832 rxvt_scr_change_screen(aR_ curr_screen); 1266 {
833 rxvt_selection_check(aR_ (old_ncol != R->TermWin.ncol ? 4 : 0)); 1267 scr_change_screen (curr_screen);
834 } 1268 selection_check (old_ncol != ncol ? 4 : 0);
1269 }
835 } 1270 }
836 1271
837 R->h->old_width = R->szHint.width; 1272 old_width = szHint.width;
838 R->h->old_height = R->szHint.height; 1273 old_height = szHint.height;
1274
1275#ifdef XPM_BACKGROUND
1276 if (pixmap)
1277 scr_touch (false);
1278#endif
839 1279
840#ifdef USE_XIM 1280#ifdef USE_XIM
841 rxvt_IMSetStatusPosition(aR); 1281 IMSetStatusPosition ();
842#endif 1282#endif
843} 1283}
844 1284
845/* 1285/*
846 * Set the width/height of the vt window in characters. Units are pixels. 1286 * Set the width/height of the vt window in characters. Units are pixels.
847 * good for toggling 80/132 columns 1287 * good for toggling 80/132 columns
848 */ 1288 */
849/* EXTPROTO */
850void 1289void
851rxvt_set_widthheight(pR_ unsigned int width, unsigned int height) 1290rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
852{ 1291{
853 XWindowAttributes wattr; 1292 XWindowAttributes wattr;
854 1293
855 if (width == 0 || height == 0) { 1294 if (newwidth == 0 || newheight == 0)
1295 {
856 XGetWindowAttributes(R->Xdisplay, Xroot, &wattr); 1296 XGetWindowAttributes (display->display, display->root, &wattr);
1297
857 if (width == 0) 1298 if (newwidth == 0)
858 width = wattr.width - R->szHint.base_width; 1299 newwidth = wattr.width - szHint.base_width;
859 if (height == 0) 1300 if (newheight == 0)
860 height = wattr.height - R->szHint.base_height; 1301 newheight = wattr.height - szHint.base_height;
1302 }
1303
1304 if (newwidth != width || newheight != height)
861 } 1305 {
862 if (width != R->TermWin.width || height != R->TermWin.height) {
863 width += R->szHint.base_width; 1306 newwidth += szHint.base_width;
864 height += R->szHint.base_height; 1307 newheight += szHint.base_height;
865 rxvt_resize_all_windows(aR_ width, height, 0); 1308 resize_all_windows (newwidth, newheight, 0);
866 } 1309 }
867} 1310}
868 1311
869/* -------------------------------------------------------------------- * 1312/* -------------------------------------------------------------------- *
870 * - X INPUT METHOD ROUTINES - * 1313 * - X INPUT METHOD ROUTINES - *
871 * -------------------------------------------------------------------- */ 1314 * -------------------------------------------------------------------- */
872#ifdef USE_XIM 1315#ifdef USE_XIM
873/* INTPROTO */
874void
875rxvt_setSize(pR_ XRectangle *size)
876{
877 size->x = R->TermWin.int_bwidth;
878 size->y = R->TermWin.int_bwidth;
879 size->width = Width2Pixel(R->TermWin.ncol);
880 size->height = Height2Pixel(R->TermWin.nrow);
881}
882 1316
883/* INTPROTO */
884void 1317void
885rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg) 1318rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
886{ 1319{
887 *fg = R->PixColors[Color_fg]; 1320 fg = pix_colors[Color_fg];
888 *bg = R->PixColors[Color_bg]; 1321 bg = pix_colors[Color_bg];
1322}
1323
1324void
1325rxvt_term::im_set_size (XRectangle &size)
1326{
1327 // the int_bwidth terms make no sense to me
1328 size.x = int_bwidth;
1329 size.y = int_bwidth;
1330 size.width = Width2Pixel (ncol) + int_bwidth;
1331 size.height = Height2Pixel (nrow) + int_bwidth;
1332}
1333
1334void
1335rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1336 XRectangle &status_rect,
1337 const XRectangle &needed_rect)
1338{
1339 preedit_rect.x = needed_rect.width;
1340 preedit_rect.y = 0;
1341 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1342 preedit_rect.height = fheight;
1343
1344 status_rect.x = 0;
1345 status_rect.y = 0;
1346 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1347 status_rect.height = fheight;
889} 1348}
890 1349
891/* Checking whether input method is running. */ 1350/* Checking whether input method is running. */
892/* INTPROTO */
893Bool 1351bool
894rxvt_IMisRunning(pR) 1352rxvt_term::IMisRunning ()
895{ 1353{
896 char *p; 1354 char *p;
897 Atom atom; 1355 Atom atom;
898 Window win; 1356 Window win;
899 char server[IMBUFSIZ]; 1357 char server[IMBUFSIZ];
900 1358
901 /* get current locale modifier */ 1359 /* get current locale modifier */
902 if ((p = XSetLocaleModifiers(NULL)) != NULL) { 1360 if ((p = XSetLocaleModifiers (NULL)) != NULL)
903 STRCPY(server, "@server="); 1361 {
1362 strcpy (server, "@server=");
904 STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */ 1363 strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1364
905 if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */ 1365 if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
906 *p = '\0'; 1366 *p = '\0';
907 1367
908 atom = XInternAtom(R->Xdisplay, server, False); 1368 atom = XInternAtom (display->display, server, False);
909 win = XGetSelectionOwner(R->Xdisplay, atom); 1369 win = XGetSelectionOwner (display->display, atom);
1370
910 if (win != None) 1371 if (win != None)
911 return True; 1372 return True;
912 } 1373 }
1374
913 return False; 1375 return False;
914} 1376}
915 1377
916/* EXTPROTO */
917void 1378void
918rxvt_IMSendSpot(pR) 1379rxvt_term::IMSendSpot ()
919{ 1380{
920 XPoint spot; 1381 XPoint nspot;
921 XVaNestedList preedit_attr; 1382 XVaNestedList preedit_attr;
922 1383
923 if (R->h->Input_Context == NULL 1384 if (!Input_Context
924 || !R->TermWin.focus 1385 || !focus
925 || !(R->h->input_style & XIMPreeditPosition) 1386 || !(input_style & XIMPreeditPosition))
926 || !(R->h->event_type == KeyPress 1387 return;
927 || R->h->event_type == Expose
928 || R->h->event_type == NoExpose
929 || R->h->event_type == SelectionNotify
930 || R->h->event_type == ButtonRelease
931 || R->h->event_type == FocusIn)
932 || !rxvt_IMisRunning(aR))
933 return;
934 1388
935 rxvt_setPosition(aR_ &spot); 1389 im_set_position (nspot);
936 1390
1391 if (nspot.x == spot.x && nspot.y == spot.y)
1392 return;
1393
1394 spot = nspot;
1395
937 preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL); 1396 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
938 XSetICValues(R->h->Input_Context, XNPreeditAttributes, preedit_attr, NULL); 1397 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
939 XFree(preedit_attr); 1398 XFree (preedit_attr);
940} 1399}
941 1400
942/* EXTPROTO */
943void 1401void
944rxvt_setTermFontSet(pR_ int idx) 1402rxvt_term::im_destroy ()
945{ 1403{
946 char *string; 1404 if (input_method)
947 long length; 1405 {
948 int success = 0; 1406 if (Input_Context && input_method->xim)
1407 XDestroyIC (Input_Context);
949 1408
950 if (idx < 0 || idx >= MAX_NFONTS) 1409 display->put_xim (input_method);
951 return; 1410 input_method = 0;
952}
953
954/* INTPROTO */
955void
956rxvt_setPreeditArea(pR_ XRectangle *preedit_rect, XRectangle *status_rect, XRectangle *needed_rect)
957{
958 int mbh, vtx = 0;
959
960 if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
961 vtx = scrollbar_TotalWidth();
962 mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
963 mbh -= R->TermWin.lineSpace;
964
965 preedit_rect->x = needed_rect->width + vtx;
966 preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
967
968 preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
969 + vtx;
970 preedit_rect->height = Height2Pixel(1);
971
972 status_rect->x = vtx;
973 status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
974
975 status_rect->width = needed_rect->width ? needed_rect->width
976 : Width2Pixel(R->TermWin.ncol + 1);
977 status_rect->height = Height2Pixel(1);
978}
979
980/* ARGSUSED */
981/* INTPROTO */
982void
983rxvt_IMDestroyCallback(XIM xim __attribute__((unused)), XPointer client_data __attribute__((unused)), XPointer call_data __attribute__((unused)))
984{
985 dR;
986
987 R->h->Input_Context = NULL;
988 /* To avoid Segmentation Fault in C locale: Solaris only? */
989 if (STRCMP(R->h->locale, "C"))
990 XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
991 rxvt_IMInstantiateCallback, NULL);
992}
993
994/*
995 * X manual pages and include files don't match on some systems:
996 * some think this is an XIDProc and others an XIMProc so we can't
997 * use the first argument - need to update this to be nice for
998 * both types via some sort of configure detection
999 */
1000/* ARGSUSED */
1001/* EXTPROTO */
1002void
1003rxvt_IMInstantiateCallback(Display *unused __attribute__((unused)), XPointer client_data __attribute__((unused)), XPointer call_data __attribute__((unused)))
1004{
1005 dR;
1006 int i, found, had_im;
1007 const char *p;
1008 char **s;
1009 char buf[IMBUFSIZ];
1010
1011 D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));
1012 if (R->h->Input_Context)
1013 return;
1014
1015 found = had_im = 0;
1016 p = R->h->rs[Rs_inputMethod];
1017 if (p && *p) {
1018 had_im = 1;
1019 s = rxvt_splitcommastring(p);
1020 for (i = 0; s[i]; i++) {
1021 if (*s[i]) {
1022 STRCPY(buf, "@im=");
1023 STRNCAT(buf, s[i], IMBUFSIZ - 5);
1024 if ((p = XSetLocaleModifiers(buf)) != NULL && *p
1025 && (rxvt_IM_get_IC(aR) == True)) {
1026 found = 1;
1027 break;
1028 }
1029 } 1411 }
1030 }
1031 for (i = 0; s[i]; i++)
1032 free(s[i]);
1033 free(s);
1034 }
1035 if (found)
1036 return;
1037 1412
1038/* try with XMODIFIERS env. var. */ 1413 Input_Context = 0;
1039 if ((p = XSetLocaleModifiers("")) != NULL && *p) {
1040 rxvt_IM_get_IC(aR);
1041 return;
1042 }
1043
1044/* try with no modifiers base IF the user didn't specify an IM */
1045 if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p
1046 && rxvt_IM_get_IC(aR) == True)
1047 return;
1048} 1414}
1049 1415
1050/* 1416/*
1051 * Try to open a XIM with the current modifiers, then see if we can 1417 * Try to open a XIM with the current modifiers, then see if we can
1052 * open a suitable preedit type 1418 * open a suitable preedit type
1053 */ 1419 */
1054/* INTPROTO */
1055Bool 1420bool
1056rxvt_IM_get_IC(pR) 1421rxvt_term::IM_get_IC (const char *modifiers)
1057{ 1422{
1058 int i, j, found; 1423 int i, j, found;
1059 XIM xim; 1424 XIM xim;
1060 XPoint spot; 1425 XPoint spot;
1061 XRectangle rect, status_rect, needed_rect; 1426 XRectangle rect, status_rect, needed_rect;
1062 unsigned long fg, bg; 1427 unsigned long fg, bg;
1063 const char *p; 1428 const char *p;
1064 char **s; 1429 char **s;
1065 XIMStyles *xim_styles; 1430 XIMStyles *xim_styles;
1066 XVaNestedList preedit_attr, status_attr;
1067 XIMCallback ximcallback;
1068 struct rxvt_hidden *h = R->h;
1069 1431
1432 set_environ (envv);
1433
1434 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1435 return false;
1436
1070 D_MAIN((stderr, "rxvt_IM_get_IC()")); 1437 D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1071 xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL); 1438 input_method = display->get_xim (locale, modifiers);
1072 if (xim == NULL) 1439 if (input_method == NULL)
1073 return False; 1440 return false;
1074 1441
1442 xim = input_method->xim;
1443 spot.x = spot.y = -1;
1444
1075 xim_styles = NULL; 1445 xim_styles = NULL;
1076 if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL) 1446 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1077 || !xim_styles || !xim_styles->count_styles) { 1447 || !xim_styles || !xim_styles->count_styles)
1078 XCloseIM(xim);
1079 return False;
1080 } 1448 {
1449 im_destroy ();
1450 return false;
1451 }
1081 1452
1082 p = h->rs[Rs_preeditType] ? h->rs[Rs_preeditType] 1453 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1083 : "OverTheSpot,OffTheSpot,Root"; 1454
1455 for (int pi = 0; pi < 2; pi++)
1456 {
1457 p = pet[pi];
1458
1459 if (!p)
1460 continue;
1461
1084 s = rxvt_splitcommastring(p); 1462 s = rxvt_splitcommastring (p);
1463
1085 for (i = found = 0; !found && s[i]; i++) { 1464 for (i = found = 0; !found && s[i]; i++)
1086 if (!STRCMP(s[i], "OverTheSpot")) 1465 {
1466 if (!strcmp (s[i], "OverTheSpot"))
1087 h->input_style = (XIMPreeditPosition | XIMStatusNothing); 1467 input_style = (XIMPreeditPosition | XIMStatusNothing);
1088 else if (!STRCMP(s[i], "OffTheSpot")) 1468 else if (!strcmp (s[i], "OffTheSpot"))
1089 h->input_style = (XIMPreeditArea | XIMStatusArea); 1469 input_style = (XIMPreeditArea | XIMStatusArea);
1090 else if (!STRCMP(s[i], "Root")) 1470 else if (!strcmp (s[i], "Root"))
1091 h->input_style = (XIMPreeditNothing | XIMStatusNothing); 1471 input_style = (XIMPreeditNothing | XIMStatusNothing);
1472 else if (!strcmp (s[i], "None"))
1473 input_style = (XIMPreeditNone | XIMStatusNone);
1092 1474
1093 for (j = 0; j < xim_styles->count_styles; j++) 1475 for (j = 0; j < xim_styles->count_styles; j++)
1094 if (h->input_style == xim_styles->supported_styles[j]) { 1476 if (input_style == xim_styles->supported_styles[j])
1095 found = 1; 1477 {
1096 break; 1478 rxvt_freecommastring (s);
1479
1480 found = 1;
1481 goto foundpet;
1482 }
1483
1484 }
1485
1486 rxvt_freecommastring (s);
1097 } 1487 }
1098 } 1488
1099 for (i = 0; s[i]; i++) 1489foundpet:
1100 free(s[i]); 1490
1101 free(s);
1102 XFree(xim_styles); 1491 XFree (xim_styles);
1103 1492
1104 if (!found) { 1493 if (!found)
1105 XCloseIM(xim);
1106 return False;
1107 } 1494 {
1495 im_destroy ();
1496 return false;
1497 }
1108 1498
1109 ximcallback.callback = rxvt_IMDestroyCallback; 1499 XFontSet fs = 0;
1110
1111 /* XXX: not sure why we need this (as well as IC one below) */
1112 XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);
1113
1114 preedit_attr = status_attr = NULL; 1500 XVaNestedList preedit_attr = 0, status_attr = 0;
1115 1501
1502 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1503 {
1504 // fake us a font-set, please
1505 char **missing_charset_list;
1506 int missing_charset_count;
1507 char *def_string;
1508 char pat[512];
1509
1510 sprintf (pat,
1511 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1512 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1513 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1514 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1515 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1516 "*",
1517 fheight,
1518 fheight + 1, fheight - 1,
1519 fheight - 2, fheight + 2);
1520
1521 fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1522 &missing_charset_list, &missing_charset_count, &def_string);
1523
1524 if (missing_charset_list)
1525 XFreeStringList (missing_charset_list);
1526
1527 if (!fs)
1528 {
1529 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1530 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1531 }
1532 }
1533
1116 if (h->input_style & XIMPreeditPosition) { 1534 if (input_style & XIMPreeditPosition)
1117 rxvt_setSize(aR_ &rect); 1535 {
1118 rxvt_setPosition(aR_ &spot); 1536 im_set_size (rect);
1119 rxvt_setColor(aR_ &fg, &bg); 1537 im_set_position (spot);
1538 im_set_color (fg, bg);
1120 1539
1121 preedit_attr = XVaCreateNestedList(0, XNArea, &rect, 1540 preedit_attr = XVaCreateNestedList (0,
1122 XNSpotLocation, &spot, 1541 XNForeground, fg,
1123 XNForeground, fg, 1542 XNBackground, bg,
1124 XNBackground, bg, 1543 XNArea, &rect,
1125 //XNFontSet, R->TermWin.fontset, 1544 XNSpotLocation, &spot,
1126 NULL); 1545 XNFontSet, fs,
1127 } else if (h->input_style & XIMPreeditArea) {
1128 rxvt_setColor(aR_ &fg, &bg);
1129
1130 /*
1131 * The necessary width of preedit area is unknown
1132 * until create input context.
1133 */
1134 needed_rect.width = 0;
1135
1136 rxvt_setPreeditArea(aR_ &rect, &status_rect, &needed_rect);
1137
1138 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1139 XNForeground, fg,
1140 XNBackground, bg,
1141 //XNFontSet, R->TermWin.fontset,
1142 NULL);
1143 status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1144 XNForeground, fg,
1145 XNBackground, bg,
1146 //XNFontSet, R->TermWin.fontset,
1147 NULL); 1546 NULL);
1148 } 1547 }
1149 h->Input_Context = XCreateIC(xim, XNInputStyle, h->input_style, 1548 else if (input_style & XIMPreeditArea)
1150 XNClientWindow, R->TermWin.parent[0], 1549 {
1151 XNFocusWindow, R->TermWin.parent[0], 1550 im_set_color (fg, bg);
1152 XNDestroyCallback, &ximcallback, 1551
1153 preedit_attr ? XNPreeditAttributes : NULL, 1552 /*
1154 preedit_attr, 1553 * The necessary width of preedit area is unknown
1155 status_attr ? XNStatusAttributes : NULL, 1554 * until create input context.
1156 status_attr, NULL); 1555 */
1157 if (preedit_attr) 1556 needed_rect.width = 0;
1158 XFree(preedit_attr); 1557 im_set_preedit_area (rect, status_rect, needed_rect);
1159 if (status_attr) 1558
1160 XFree(status_attr); 1559 preedit_attr = XVaCreateNestedList (0,
1560 XNForeground, fg,
1561 XNBackground, bg,
1562 XNArea, &rect,
1563 XNFontSet, fs,
1564 NULL);
1565 status_attr = XVaCreateNestedList (0,
1566 XNForeground, fg,
1567 XNBackground, bg,
1568 XNArea, &status_rect,
1569 XNFontSet, fs,
1570 NULL);
1571 }
1572
1573 Input_Context = XCreateIC (xim,
1574 XNInputStyle, input_style,
1575 XNClientWindow, vt,
1576 XNFocusWindow, parent[0],
1577 preedit_attr ? XNPreeditAttributes : NULL,
1578 preedit_attr,
1579 status_attr ? XNStatusAttributes : NULL,
1580 status_attr, NULL);
1581
1582 if (preedit_attr) XFree (preedit_attr);
1583 if (status_attr) XFree (status_attr);
1584 if (fs) XFreeFontSet (display->display, fs);
1585
1161 if (h->Input_Context == NULL) { 1586 if (Input_Context == NULL)
1162 rxvt_print_error("failed to create input context");
1163 XCloseIM(xim);
1164 return False;
1165 } 1587 {
1588 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1589 im_destroy ();
1590 return false;
1591 }
1592
1166 if (h->input_style & XIMPreeditArea) 1593 if (input_style & XIMPreeditArea)
1167 rxvt_IMSetStatusPosition(aR); 1594 IMSetStatusPosition ();
1595
1168 D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection")); 1596 D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1169 return True; 1597 return true;
1170} 1598}
1171 1599
1172/* EXTPROTO */
1173void 1600void
1601rxvt_term::im_cb ()
1602{
1603 int i;
1604 const char *p;
1605 char **s;
1606 char buf[IMBUFSIZ];
1607
1608 make_current ();
1609
1610 im_destroy ();
1611
1612 D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1613 if (Input_Context)
1614 return;
1615
1616#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1617 if (rs[Rs_imLocale])
1618 SET_LOCALE (rs[Rs_imLocale]);
1619#endif
1620
1621 p = rs[Rs_inputMethod];
1622 if (p && *p)
1623 {
1624 bool found = false;
1625
1626 s = rxvt_splitcommastring (p);
1627
1628 for (i = 0; s[i]; i++)
1629 {
1630 if (*s[i])
1631 {
1632 strcpy (buf, "@im=");
1633 strncat (buf, s[i], IMBUFSIZ - 5);
1634 if (IM_get_IC (buf))
1635 {
1636 found = true;
1637 break;
1638 }
1639 }
1640 }
1641
1642 rxvt_freecommastring (s);
1643
1644 if (found)
1645 goto done;
1646 }
1647
1648 /* try with XMODIFIERS env. var. */
1649 if (IM_get_IC (""))
1650 goto done;
1651
1652 /* try with no modifiers base IF the user didn't specify an IM */
1653 if (IM_get_IC ("@im=none"))
1654 goto done;
1655
1656done:
1657#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1658 if (rs[Rs_imLocale])
1659 SET_LOCALE (locale);
1660#endif
1661}
1662
1663void
1174rxvt_IMSetStatusPosition(pR) 1664rxvt_term::IMSetStatusPosition ()
1175{ 1665{
1176 XRectangle preedit_rect, status_rect, *needed_rect; 1666 XRectangle preedit_rect, status_rect, *needed_rect;
1177 XVaNestedList preedit_attr, status_attr; 1667 XVaNestedList preedit_attr, status_attr;
1178 1668
1179 if (R->h->Input_Context == NULL 1669 if (!Input_Context
1180 || !R->TermWin.focus 1670 || !focus
1181 || !(R->h->input_style & XIMPreeditArea) 1671 || !(input_style & XIMPreeditArea)
1182 || !rxvt_IMisRunning(aR)) 1672 || !IMisRunning ())
1183 return; 1673 return;
1184 1674
1185 /* Getting the necessary width of preedit area */ 1675 /* Getting the necessary width of preedit area */
1186 status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL); 1676 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1187 XGetICValues(R->h->Input_Context, XNStatusAttributes, status_attr, NULL); 1677 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1188 XFree(status_attr); 1678 XFree (status_attr);
1189 1679
1190 rxvt_setPreeditArea(aR_ &preedit_rect, &status_rect, needed_rect); 1680 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1681 XFree (needed_rect);
1191 1682
1192 preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL); 1683 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1193 status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL); 1684 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1194 1685
1195 XSetICValues(R->h->Input_Context, 1686 XSetICValues (Input_Context,
1196 XNPreeditAttributes, preedit_attr, 1687 XNPreeditAttributes, preedit_attr,
1197 XNStatusAttributes, status_attr, NULL); 1688 XNStatusAttributes, status_attr, NULL);
1198 1689
1199 XFree(preedit_attr); 1690 XFree (preedit_attr);
1200 XFree(status_attr); 1691 XFree (status_attr);
1201} 1692}
1202#endif /* USE_XIM */ 1693#endif /* USE_XIM */
1203 1694
1204/*----------------------------------------------------------------------*/ 1695/*----------------------------------------------------------------------*/
1205rxvt_t *rxvt_current_term; 1696rxvt_t rxvt_current_term;
1206 1697
1207/*----------------------- end-of-file (C source) -----------------------*/ 1698/*----------------------- end-of-file (C source) -----------------------*/

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