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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.4 by pcg, Tue Nov 25 15:25:17 2003 UTC vs.
Revision 1.214 by root, Tue Jan 31 19:53:30 2006 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*--------------------------------*-C-*---------------------------------*
2 * File: main.c 2 * File: main.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: main.C,v 1.4 2003/11/25 15:25:17 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>
… …
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.
… …
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
51vector<rxvt_term *> rxvt_term::termlist;
52
53// used to tell global functions which terminal instance is "active"
54rxvt_t rxvt_current_term;
55
56static char curlocale[128], savelocale[128];
57
58bool
59rxvt_set_locale (const char *locale) NOTHROW
60{
61 if (!locale || !strncmp (locale, curlocale, 128))
62 return false;
63
64 strncpy (curlocale, locale, 128);
65 setlocale (LC_CTYPE, curlocale);
66 return true;
67}
68
47void * 69void
48rxvt_term::operator new (size_t s) 70rxvt_push_locale (const char *locale) NOTHROW
49{ 71{
50 void *p = malloc (s); 72 strcpy (savelocale, curlocale);
73 rxvt_set_locale (locale);
74}
51 75
52 MEMSET (p, 0, s); 76void
77rxvt_pop_locale () NOTHROW
78{
79 rxvt_set_locale (savelocale);
80}
81
82#if ENABLE_COMBINING
83class rxvt_composite_vec rxvt_composite;
84
85text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
86{
87 compose_char *cc;
88
89 // break compose chains, as stupid readline really likes to duplicate
90 // composing characters for some reason near the end of a line.
91 cc = (*this)[c1];
92 while (cc)
93 {
94 if (cc->c2 == c2) return c1;
95 cc = (*this)[cc->c1];
96 }
97
98 // check to see wether this combination already exists otherwise
99 for (cc = v.end (); cc-- > v.begin (); )
100 {
101 if (cc->c1 == c1 && cc->c2 == c2)
102 return COMPOSE_LO + (cc - v.begin ());
103 }
104
105 // allocate a new combination
106 if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
107 {
108 static int seen;
109
110 if (!seen++)
111 fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
112
113 return REPLACEMENT_CHAR;
114 }
115
116 v.push_back (compose_char (c1, c2));
117
118 return v.size () - 1 + COMPOSE_LO;
119}
120
121int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
122{
123 compose_char *cc = (*this)[c];
124
125 if (!cc)
126 {
127 if (r) *r = c;
128 return 1;
129 }
130
131 int len = expand (cc->c1, r);
132
133 if (r) r += len;
134
135 if (cc->c2 != NOCHAR)
136 {
137 len++;
138 if (r) *r++ = cc->c2;
139 }
140
53 return p; 141 return len;
54}
55 142
56void
57rxvt_term::operator delete (void *p, size_t s)
58{
59 free (p);
60} 143}
144#endif
61 145
62rxvt_term::rxvt_term () 146rxvt_term::rxvt_term ()
147 :
148#if TRANSPARENT
149 rootwin_ev (this, &rxvt_term::rootwin_cb),
150#endif
151#ifdef HAVE_SCROLLBARS
152 scrollbar_ev (this, &rxvt_term::x_cb),
153#endif
154#ifdef CURSOR_BLINK
155 cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
156#endif
157#ifdef TEXT_BLINK
158 text_blink_ev (this, &rxvt_term::text_blink_cb),
159#endif
160#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
161 cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
162#endif
163#ifdef SELECTION_SCROLLING
164 sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
165#endif
166#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
167 slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
168#endif
169#ifdef POINTER_BLANK
170 pointer_ev (this, &rxvt_term::pointer_cb),
171#endif
172#ifdef USE_XIM
173 im_ev (this, &rxvt_term::im_cb),
174#endif
175#ifndef NO_BELL
176 bell_ev (this, &rxvt_term::bell_cb),
177#endif
178 termwin_ev (this, &rxvt_term::x_cb),
179 vt_ev (this, &rxvt_term::x_cb),
180 child_ev (this, &rxvt_term::child_cb),
181 check_ev (this, &rxvt_term::check_cb),
182 flush_ev (this, &rxvt_term::flush_cb),
183 destroy_ev (this, &rxvt_term::destroy_cb),
63: pty_ev(this, &rxvt_term::pty_cb), 184 pty_ev (this, &rxvt_term::pty_cb),
64 x_ev (this, &rxvt_term::x_cb) 185 incr_ev (this, &rxvt_term::incr_cb)
65{ 186{
66 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base; 187 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
188
189 termlist.push_back (this);
190
191#ifdef KEYSYM_RESOURCE
192 keyboard = new keyboard_manager;
193#endif
194}
195
196// clean up the most important stuff, do *not* call x or free mem etc.
197// for use before an emergency exit
198void rxvt_term::emergency_cleanup ()
199{
200 if (cmd_pid)
201 kill (-cmd_pid, SIGHUP);
202
203 delete pty; pty = 0;
67} 204}
68 205
69rxvt_term::~rxvt_term () 206rxvt_term::~rxvt_term ()
70{ 207{
71 delete PixColors; 208 termlist.erase (find (termlist.begin (), termlist.end(), this));
72}
73 209
74/*----------------------------------------------------------------------*/ 210 emergency_cleanup ();
75/* rxvt_init() */
76/* LIBPROTO */
77rxvt_t
78rxvt_init(int argc, const char *const *argv)
79{
80 SET_R(new rxvt_term);
81 dR;
82 211
83 if (!R->init_vars () || !R->init (argc, argv)) 212#if ENABLE_STYLES
84 { 213 for (int i = RS_styleCount; --i; )
85 delete R; 214 if (fontset[i] != fontset[0])
86 return NULL; 215 delete fontset[i];
216#endif
217 delete fontset[0];
218
219 if (display)
87 } 220 {
221 selection_clear ();
88 222
223#ifdef USE_XIM
224 im_destroy ();
225#endif
226#ifdef XTERM_SCROLLBAR
227 if (xscrollbarGC) XFreeGC (xdisp, xscrollbarGC);
228 if (ShadowGC) XFreeGC (xdisp, ShadowGC);
229#endif
230#ifdef PLAIN_SCROLLBAR
231 if (pscrollbarGC) XFreeGC (xdisp, pscrollbarGC);
232#endif
233#ifdef NEXT_SCROLLBAR
234 if (blackGC) XFreeGC (xdisp, blackGC);
235 if (whiteGC) XFreeGC (xdisp, whiteGC);
236 if (grayGC) XFreeGC (xdisp, grayGC);
237 if (darkGC) XFreeGC (xdisp, darkGC);
238 if (stippleGC) XFreeGC (xdisp, stippleGC);
239 if (dimple) XFreePixmap (xdisp, dimple);
240 if (upArrow) XFreePixmap (xdisp, upArrow);
241 if (downArrow) XFreePixmap (xdisp, downArrow);
242 if (upArrowHi) XFreePixmap (xdisp, upArrowHi);
243 if (downArrowHi) XFreePixmap (xdisp, downArrowHi);
244#endif
245#ifdef RXVT_SCROLLBAR
246 if (topShadowGC) XFreeGC (xdisp, topShadowGC);
247 if (botShadowGC) XFreeGC (xdisp, botShadowGC);
248 if (scrollbarGC) XFreeGC (xdisp, scrollbarGC);
249#endif
250 if (gc) XFreeGC (xdisp, gc);
251
252 delete drawable;
253 // destroy all windows
254 if (parent[0])
255 XDestroyWindow (xdisp, parent[0]);
256
257 clear ();
258 }
259
260 // TODO: free pixcolours, colours should become part of rxvt_display
261 delete pix_colors_focused;
262#if OFF_FOCUS_FADING
263 delete pix_colors_unfocused;
264#endif
265
266 displays.put (display);
267
268 scr_release ();
269
270 /* clear all resources */
271 for (int i = 0; i < allocated.size (); i++)
272 free (allocated [i]);
273
274 free (selection.text);
275 // TODO: manage env vars in child only(!)
276 free (env_display);
277 free (env_term);
278 free (locale);
279 free (v_buffer);
280 free (incr_buf);
281
282 delete envv;
283 delete argv;
284
285#ifdef KEYSYM_RESOURCE
286 delete keyboard;
287#endif
288}
289
290// child has exited, usually destroys
291void
292rxvt_term::child_cb (child_watcher &w, int status)
293{
294 HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
295
296 cmd_pid = 0;
297
298 if (!OPTION (Opt_hold))
299 destroy ();
300}
301
302void
303rxvt_term::destroy ()
304{
305 if (destroy_ev.active)
89 return R; 306 return;
90}
91 307
92bool 308 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
93rxvt_term::init (int argc, const char *const *argv)
94{
95 dR;//TODO (scrollbar, setidle)
96 309
97 /* 310#if ENABLE_OVERLAY
98 * Save and then give up any super-user privileges 311 scr_overlay_off ();
99 * If we need privileges in any area then we must specifically request it.
100 * We should only need to be root in these cases:
101 * 1. write utmp entries on some systems
102 * 2. chown tty on some systems
103 */
104 rxvt_privileges (this, SAVE);
105 rxvt_privileges (this, IGNORE);
106
107 rxvt_init_secondary (this);
108
109 const char **cmd_argv = rxvt_init_resources (this, argc, argv);
110
111#if (MENUBAR_MAX)
112 rxvt_menubar_read (this, rs[Rs_menu]);
113#endif 312#endif
313
314 if (display)
315 {
316#if USE_XIM
317 im_ev.stop (display);
318#endif
114#ifdef HAVE_SCROLLBARS 319#if HAVE_SCROLLBARS
115 if (Options & Opt_scrollBar) 320 scrollbar_ev.stop (display);
116 scrollbar_setIdle (); /* set existence for size calculations */
117#endif 321#endif
118
119 rxvt_Create_Windows (this, argc, argv);
120
121 rxvt_init_xlocale (this);
122
123 rxvt_scr_reset (this); /* initialize screen */
124#ifdef RXVT_GRAPHICS
125 rxvt_Gr_reset (this); /* reset graphics */
126#endif
127
128#if 0
129#ifdef DEBUG_X
130 XSynchronize(Xdisplay, True);
131 XSetErrorHandler((XErrorHandler) abort);
132#else
133 XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
134#endif
135#endif
136
137#ifdef HAVE_SCROLLBARS
138 if (Options & Opt_scrollBar)
139 rxvt_Resize_scrollBar (this); /* create and map scrollbar */
140#endif
141#if (MENUBAR_MAX)
142 if (menubar_visible(r))
143 XMapWindow (Xdisplay, menuBar.win);
144#endif
145#ifdef TRANSPARENT 322#if TRANSPARENT
146 if (Options & Opt_transparent) 323 rootwin_ev.stop (display);
324#endif
325 incr_ev.stop ();
326 termwin_ev.stop (display);
327 vt_ev.stop (display);
147 { 328 }
148 XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
149 rxvt_check_our_parents (this);
150 }
151#endif
152 XMapWindow (Xdisplay, TermWin.vt);
153 XMapWindow (Xdisplay, TermWin.parent[0]);
154 329
155 rxvt_init_env (this); 330 check_ev.stop ();
156 rxvt_init_command (this, cmd_argv); 331 pty_ev.stop ();
157 332#ifdef CURSOR_BLINK
158 x_ev.start (Xfd, EVENT_READ); 333 cursor_blink_ev.stop ();
159 pty_ev.start (cmd_fd, EVENT_READ);
160
161 return true;
162}
163
164/* ------------------------------------------------------------------------- *
165 * SIGNAL HANDLING & EXIT HANDLER *
166 * ------------------------------------------------------------------------- */
167/*
168 * Catch a SIGCHLD signal and exit if the direct child has died
169 */
170/* ARGSUSED */
171/* EXTPROTO */
172RETSIGTYPE
173rxvt_Child_signal(int sig __attribute__ ((unused)))
174{
175 dR;
176 int pid, save_errno = errno;
177
178 do {
179 errno = 0;
180 } while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
181
182 if (pid == R->cmd_pid)
183 exit(EXIT_SUCCESS);
184
185 errno = save_errno;
186 signal(SIGCHLD, rxvt_Child_signal);
187}
188
189/*
190 * Catch a fatal signal and tidy up before quitting
191 */
192/* EXTPROTO */
193RETSIGTYPE
194rxvt_Exit_signal(int sig)
195{
196 signal(sig, SIG_DFL);
197#ifdef DEBUG_CMD
198 rxvt_print_error("signal %d", sig);
199#endif 334#endif
200 rxvt_clean_exit(); 335#ifdef TEXT_BLINK
201 kill(getpid(), sig); 336 text_blink_ev.stop ();
202} 337#endif
338#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
339 cont_scroll_ev.stop ();
340#endif
341#ifdef SELECTION_SCROLLING
342 sel_scroll_ev.stop ();
343#endif
344#ifdef POINTER_BLANK
345 pointer_ev.stop ();
346#endif
203 347
204/* ARGSUSED */ 348 destroy_ev.start (0);
205/* INTPROTO */ 349}
206int
207rxvt_xerror_handler(const Display * display
208 __attribute__ ((unused)), const XErrorEvent * event)
209{
210 dR;
211 350
212 if (R->allowedxerror == -1) { 351void
213 R->allowedxerror = event->error_code; 352rxvt_term::destroy_cb (time_watcher &w)
214 return 0; /* ignored anyway */ 353{
215 } 354 make_current ();
216 rxvt_print_error("XError: Request: %d . %d, Error: %d", 355
217 event->request_code, event->minor_code, 356 delete this;
218 event->error_code);
219/* XXX: probably should call rxvt_clean_exit() bypassing X routines */
220 exit(EXIT_FAILURE);
221/* NOTREACHED */
222} 357}
223 358
224/*----------------------------------------------------------------------*/ 359/*----------------------------------------------------------------------*/
225/* 360/*
226 * Exit gracefully, clearing the utmp entry and restoring tty attributes 361 * Exit gracefully, clearing the utmp entry and restoring tty attributes
227 * TODO: if debugging, this should free up any known resources if we can 362 * TODO: if debugging, this should free up any known resources if we can
228 */ 363 */
229/* EXTPROTO */ 364static XErrorHandler old_xerror_handler;
230void
231rxvt_clean_exit(void)
232{
233 dR;
234 365
235#ifdef DEBUG_SCREEN 366static void
236 rxvt_scr_release(aR); 367rxvt_emergency_cleanup ()
368{
369 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
370 (*t)->emergency_cleanup ();
371}
372
373#if !ENABLE_MINIMAL
374static void
375print_x_error (Display *dpy, XErrorEvent *event)
376{
377 char buffer[BUFSIZ];
378 char mesg[BUFSIZ];
379 char number[32];
380 char *mtype = "XlibMessage";
381 XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
382 XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
383 rxvt_warn ("An X Error occured, trying to continue after report.\n");
384 rxvt_warn ("%s: %s\n", mesg, buffer);
385 XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
386 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
387 sprintf(number, "%d", event->request_code);
388 XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
389 rxvt_warn ("(which is %s)\n", buffer);
390 if (event->request_code >= 128) {
391 XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
392 mesg, BUFSIZ);
393 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
394 }
395 if ((event->error_code == BadWindow) ||
396 (event->error_code == BadPixmap) ||
397 (event->error_code == BadCursor) ||
398 (event->error_code == BadFont) ||
399 (event->error_code == BadDrawable) ||
400 (event->error_code == BadColor) ||
401 (event->error_code == BadGC) ||
402 (event->error_code == BadIDChoice) ||
403 (event->error_code == BadValue) ||
404 (event->error_code == BadAtom)) {
405 if (event->error_code == BadValue)
406 XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
407 mesg, BUFSIZ);
408 else if (event->error_code == BadAtom)
409 XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
410 mesg, BUFSIZ);
411 else
412 XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
413 mesg, BUFSIZ);
414 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
415 }
416 XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
417 mesg, BUFSIZ);
418 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
419}
237#endif 420#endif
238#ifndef NO_SETOWNER_TTYDEV 421
239 rxvt_privileged_ttydev(aR_ RESTORE); 422int
240#endif 423rxvt_xerror_handler (Display *display, XErrorEvent *event)
241#ifdef UTMP_SUPPORT 424{
242 rxvt_privileged_utmp(aR_ RESTORE); 425 if (GET_R->allowedxerror == -1)
243#endif 426 GET_R->allowedxerror = event->error_code;
244#ifdef USE_XIM 427 else
245 if (R->Input_Context != NULL) {
246 XDestroyIC(R->Input_Context);
247 R->Input_Context = NULL;
248 } 428 {
429 // GET_R is most likely not the terminal which caused the error,
430 // so just output the error and continue
431#if ENABLE_MINIMAL
432 old_xerror_handler (display, event);
433#else
434 print_x_error (display, event);
249#endif 435#endif
436 }
437
438 return 0;
439}
440
441int
442rxvt_xioerror_handler (Display *display)
443{
444 rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
445 DisplayString (display));
446 rxvt_emergency_cleanup ();
447 _exit (EXIT_FAILURE);
448}
449
450/*----------------------------------------------------------------------*/
451bool
452rxvt_term::init (int argc, const char *const *argv, stringvec *envv)
453{
454 this->envv = envv;
455
456 SET_R (this);
457 set_locale ("");
458 set_environ (envv); // few things in X do not call setlocale :(
459
460 if (!init_vars ())
461 return false;
462
463 init_secondary ();
464
465 const char **cmd_argv = init_resources (argc, argv);
466
467#ifdef KEYSYM_RESOURCE
468 keyboard->register_done ();
469#endif
470
471#ifdef HAVE_SCROLLBARS
472 if (OPTION (Opt_scrollBar))
473 scrollBar.setIdle (); /* set existence for size calculations */
474#endif
475
476 pty = ptytty::create ();
477
478 create_windows (argc, argv);
479
480 init_xlocale ();
481
482 scr_reset (); // initialize screen
483
484#if 0
485 XSynchronize (xdisp, True);
486#endif
487
488#ifdef HAVE_SCROLLBARS
489 if (OPTION (Opt_scrollBar))
490 resize_scrollbar (); /* create and map scrollbar */
491#endif
492#ifdef TRANSPARENT
493 if (OPTION (Opt_transparent))
494 {
495 XSelectInput (xdisp, display->root, PropertyChangeMask);
496 check_our_parents ();
497 rootwin_ev.start (display, display->root);
498 }
499#endif
500
501 set_colorfgbg ();
502
503 init_command (cmd_argv);
504
505 free (cmd_argv);
506
507 if (pty->pty >= 0)
508 pty_ev.start (pty->pty, EVENT_READ);
509
510 check_ev.start ();
511
512 HOOK_INVOKE ((this, HOOK_START, DT_END));
513
514#if ENABLE_XEMBED
515 if (rs[Rs_embed])
516 {
517 long info[2] = { 0, XEMBED_MAPPED };
518
519 XChangeProperty (xdisp, parent[0], xa[XA_XEMBED_INFO], xa[XA_XEMBED_INFO],
520 32, PropModeReplace, (unsigned char *)&info, 2);
521 }
522#endif
523
524 XMapWindow (xdisp, vt);
525 XMapWindow (xdisp, parent[0]);
526
527 return true;
528}
529
530static struct sig_handlers
531{
532 sig_watcher sw_term, sw_int;
533
534 /*
535 * Catch a fatal signal and tidy up before quitting
536 */
537 void
538 sig_term (sig_watcher &w)
539 {
540 rxvt_emergency_cleanup ();
541 signal (w.signum, SIG_DFL);
542 kill (getpid (), w.signum);
543 }
544
545 sig_handlers ()
546 : sw_term (this, &sig_handlers::sig_term),
547 sw_int (this, &sig_handlers::sig_term)
548 {
549 }
550} sig_handlers;
551
552char **rxvt_environ; // startup environment
553
554void
555rxvt_init ()
556{
557 ptytty::init ();
558
559 rxvt_environ = environ;
560
561 signal (SIGHUP, SIG_IGN);
562 signal (SIGPIPE, SIG_IGN);
563
564 sig_handlers.sw_term.start (SIGTERM);
565 sig_handlers.sw_int.start (SIGINT);
566
567 /* need to trap SIGURG for SVR4 (Unixware) rlogin */
568 /* signal (SIGURG, SIG_DFL); */
569
570 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
571 // TODO: handle this with exceptions and tolerate the memory loss
572 XSetIOErrorHandler (rxvt_xioerror_handler);
573
574 XrmInitialize ();
250} 575}
251 576
252/* ------------------------------------------------------------------------- * 577/* ------------------------------------------------------------------------- *
253 * MEMORY ALLOCATION WRAPPERS * 578 * MEMORY ALLOCATION WRAPPERS *
254 * ------------------------------------------------------------------------- */ 579 * ------------------------------------------------------------------------- */
255/* EXTPROTO */ 580void *
256void *
257rxvt_malloc(size_t size) 581rxvt_malloc (size_t size)
258{ 582{
259 void *p;
260
261 p = malloc(size); 583 void *p = malloc (size);
584
262 if (p) 585 if (!p)
586 rxvt_fatal ("memory allocation failure. aborting.\n");
587
263 return p; 588 return p;
264
265 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
266 rxvt_clean_exit();
267 exit(EXIT_FAILURE);
268/* NOTREACHED */
269} 589}
270 590
271/* EXTPROTO */ 591void *
272void *
273rxvt_calloc(size_t number, size_t size) 592rxvt_calloc (size_t number, size_t size)
274{ 593{
275 void *p;
276
277 p = calloc(number, size); 594 void *p = calloc (number, size);
595
278 if (p) 596 if (!p)
597 rxvt_fatal ("memory allocation failure. aborting.\n");
598
279 return p; 599 return p;
280
281 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
282 rxvt_clean_exit();
283 exit(EXIT_FAILURE);
284/* NOTREACHED */
285} 600}
286 601
287/* EXTPROTO */ 602void *
288void *
289rxvt_realloc(void *ptr, size_t size) 603rxvt_realloc (void *ptr, size_t size)
290{ 604{
291 void *p;
292
293 if (ptr)
294 p = realloc(ptr, size); 605 void *p = realloc (ptr, size);
295 else 606
296 p = malloc(size);
297 if (p) 607 if (!p)
608 rxvt_fatal ("memory allocation failure. aborting.\n");
609
298 return p; 610 return p;
299
300 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
301 rxvt_clean_exit();
302 exit(EXIT_FAILURE);
303/* NOTREACHED */
304} 611}
305
306/* ------------------------------------------------------------------------- *
307 * PRIVILEGED OPERATIONS *
308 * ------------------------------------------------------------------------- */
309/* take care of suid/sgid super-user (root) privileges */
310/* INTPROTO */
311void
312rxvt_privileges(pR_ int mode)
313{
314#if ! defined(__CYGWIN32__)
315# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
316/* setreuid() is the poor man's setuid(), seteuid() */
317# define seteuid(a) setreuid(-1, (a))
318# define setegid(a) setregid(-1, (a))
319# define HAVE_SETEUID
320# endif
321# ifdef HAVE_SETEUID
322 switch (mode) {
323 case IGNORE:
324 /*
325 * change effective uid/gid - not real uid/gid - so we can switch
326 * back to root later, as required
327 */
328 seteuid(getuid());
329 setegid(getgid());
330 break;
331 case SAVE:
332 R->euid = geteuid();
333 R->egid = getegid();
334 break;
335 case RESTORE:
336 seteuid(R->euid);
337 setegid(R->egid);
338 break;
339 }
340# else
341 switch (mode) {
342 case IGNORE:
343 setuid(getuid());
344 setgid(getgid());
345 /* FALLTHROUGH */
346 case SAVE:
347 /* FALLTHROUGH */
348 case RESTORE:
349 break;
350 }
351# endif
352#endif
353}
354
355#ifdef UTMP_SUPPORT
356/* EXTPROTO */
357void
358rxvt_privileged_utmp(pR_ char action)
359{
360 D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
361 action, R->next_utmp_action, getpid()));
362 if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
363 || (R->Options & Opt_utmpInhibit)
364 || R->ttydev == NULL || *R->ttydev == '\0')
365 return;
366
367 rxvt_privileges(aR_ RESTORE);
368 if (action == SAVE) {
369 R->next_utmp_action = RESTORE;
370 rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
371 } else { /* action == RESTORE */
372 R->next_utmp_action = IGNORE;
373 rxvt_cleanutent(aR);
374 }
375 rxvt_privileges(aR_ IGNORE);
376}
377#endif
378
379#ifndef NO_SETOWNER_TTYDEV
380/* EXTPROTO */
381void
382rxvt_privileged_ttydev(pR_ char action)
383{
384 D_MAIN((stderr,
385 "rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
386 action, R->next_tty_action, getpid()));
387 if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
388 || R->ttydev == NULL || *R->ttydev == '\0')
389 return;
390
391 rxvt_privileges(aR_ RESTORE);
392
393 if (action == SAVE) {
394 R->next_tty_action = RESTORE;
395# ifndef RESET_TTY_TO_COMMON_DEFAULTS
396/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
397 if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
398 R->next_tty_action = IGNORE;
399 else
400# endif
401 {
402 chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
403 chmod(R->ttydev, R->ttymode);
404# ifdef HAVE_REVOKE
405 revoke(R->ttydev);
406# endif
407 }
408 } else { /* action == RESTORE */
409 R->next_tty_action = IGNORE;
410# ifndef RESET_TTY_TO_COMMON_DEFAULTS
411 chmod(R->ttydev, R->ttyfd_stat.st_mode);
412 chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
413# else
414 chmod(R->ttydev,
415 (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
416 chown(R->ttydev, 0, 0);
417# endif
418 }
419
420 rxvt_privileges(aR_ IGNORE);
421
422# ifndef RESET_TTY_TO_COMMON_DEFAULTS
423 D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
424 action == RESTORE ? "Restoring" : (action ==
425 SAVE ? "Saving" :
426 "UNKNOWN ERROR for"), R->ttydev,
427 R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
428 R->ttyfd_stat.st_gid));
429# endif
430}
431#endif
432 612
433/*----------------------------------------------------------------------*/ 613/*----------------------------------------------------------------------*/
434/* 614/*
435 * window size/position calculcations for XSizeHint and other storage. 615 * window size/position calculcations for XSizeHint and other storage.
436 * if width/height are non-zero then override calculated width/height 616 * if width/height are non-zero then override calculated width/height
437 */ 617 */
438/* EXTPROTO */
439void 618void
440rxvt_window_calc(pR_ unsigned int width, unsigned int height) 619rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
441{ 620{
442 short recalc_x, recalc_y; 621 short recalc_x, recalc_y;
443 int x, y, sb_w, mb_h, flags; 622 int x, y, sb_w, flags;
444 unsigned int w, h; 623 unsigned int w, h;
445 unsigned int max_width, max_height; 624 unsigned int max_width, max_height;
446 625
447 D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
448 R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
449 R->szHint.height));
450 R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; 626 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
451 R->szHint.win_gravity = NorthWestGravity; 627 szHint.win_gravity = NorthWestGravity;
452/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */ 628 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
453 629
454 recalc_x = recalc_y = 0; 630 recalc_x = recalc_y = 0;
455 flags = 0; 631 flags = 0;
632
456 if (!R->parsed_geometry) { 633 if (!parsed_geometry)
634 {
457 R->parsed_geometry = 1; 635 parsed_geometry = 1;
636
458 if (R->rs[Rs_geometry]) 637 if (rs[Rs_geometry])
459 flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h); 638 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
639
460 if (flags & WidthValue) { 640 if (flags & WidthValue)
461 R->TermWin.ncol = BOUND_POSITIVE_INT16(w); 641 {
642 ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
462 R->szHint.flags |= USSize; 643 szHint.flags |= USSize;
463 } 644 }
645
464 if (flags & HeightValue) { 646 if (flags & HeightValue)
465 R->TermWin.nrow = BOUND_POSITIVE_INT16(h); 647 {
648 nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
466 R->szHint.flags |= USSize; 649 szHint.flags |= USSize;
467 } 650 }
651
468 if (flags & XValue) { 652 if (flags & XValue)
653 {
469 R->szHint.x = x; 654 szHint.x = x;
470 R->szHint.flags |= USPosition; 655 szHint.flags |= USPosition;
656
471 if (flags & XNegative) { 657 if (flags & XNegative)
658 {
472 recalc_x = 1; 659 recalc_x = 1;
473 R->szHint.win_gravity = NorthEastGravity; 660 szHint.win_gravity = NorthEastGravity;
474 } 661 }
475 } 662 }
663
476 if (flags & YValue) { 664 if (flags & YValue)
665 {
477 R->szHint.y = y; 666 szHint.y = y;
478 R->szHint.flags |= USPosition; 667 szHint.flags |= USPosition;
668
479 if (flags & YNegative) { 669 if (flags & YNegative)
670 {
480 recalc_y = 1; 671 recalc_y = 1;
672
481 if (R->szHint.win_gravity == NorthEastGravity) 673 if (szHint.win_gravity == NorthEastGravity)
482 R->szHint.win_gravity = SouthEastGravity; 674 szHint.win_gravity = SouthEastGravity;
483 else 675 else
484 R->szHint.win_gravity = SouthWestGravity; 676 szHint.win_gravity = SouthWestGravity;
485 } 677 }
486 } 678 }
487 } 679 }
680
488/* TODO: BOUNDS */ 681 /* TODO: BOUNDS */
489 R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth; 682 width = ncol * fwidth;
490 R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight; 683 height = nrow * fheight;
491 max_width = MAX_COLS * R->TermWin.fwidth; 684 max_width = MAX_COLS * fwidth;
492 max_height = MAX_ROWS * R->TermWin.fheight; 685 max_height = MAX_ROWS * fheight;
493 686
494 R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth; 687 szHint.base_width = szHint.base_height = 2 * int_bwidth;
495 688
496 sb_w = mb_h = 0; 689 sb_w = 0;
497 R->window_vt_x = R->window_vt_y = 0; 690 window_vt_x = window_vt_y = int_bwidth;
498 if (scrollbar_visible(R)) { 691
692 if (scrollBar.state)
693 {
499 sb_w = scrollbar_TotalWidth(); 694 sb_w = scrollbar_TotalWidth ();
500 R->szHint.base_width += sb_w; 695 szHint.base_width += sb_w;
696
501 if (!(R->Options & Opt_scrollBar_right)) 697 if (!OPTION (Opt_scrollBar_right))
502 R->window_vt_x = sb_w; 698 window_vt_x += sb_w;
503 } 699 }
504 if (menubar_visible(R)) { 700
505 mb_h = menuBar_TotalHeight();
506 R->szHint.base_height += mb_h;
507 R->window_vt_y = mb_h;
508 }
509 R->szHint.width_inc = R->TermWin.fwidth; 701 szHint.width_inc = fwidth;
510 R->szHint.height_inc = R->TermWin.fheight; 702 szHint.height_inc = fheight;
511 R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc; 703 szHint.min_width = szHint.base_width + szHint.width_inc;
512 R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc; 704 szHint.min_height = szHint.base_height + szHint.height_inc;
513 705
514 if (width && width - R->szHint.base_width < max_width) { 706 if (newwidth && newwidth - szHint.base_width < max_width)
707 {
515 R->szHint.width = width; 708 szHint.width = newwidth;
516 R->TermWin.width = width - R->szHint.base_width; 709 width = newwidth - szHint.base_width;
517 } else { 710 }
518 MIN_IT(R->TermWin.width, max_width); 711 else
712 {
713 min_it (width, max_width);
519 R->szHint.width = R->szHint.base_width + R->TermWin.width; 714 szHint.width = szHint.base_width + width;
520 } 715 }
716
521 if (height && height - R->szHint.base_height < max_height) { 717 if (newheight && newheight - szHint.base_height < max_height)
718 {
522 R->szHint.height = height; 719 szHint.height = newheight;
523 R->TermWin.height = height - R->szHint.base_height; 720 height = newheight - szHint.base_height;
524 } else { 721 }
525 MIN_IT(R->TermWin.height, max_height); 722 else
723 {
724 min_it (height, max_height);
526 R->szHint.height = R->szHint.base_height + R->TermWin.height; 725 szHint.height = szHint.base_height + height;
527 } 726 }
528 if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right)) 727
728 if (scrollBar.state && OPTION (Opt_scrollBar_right))
529 R->window_sb_x = R->szHint.width - sb_w; 729 window_sb_x = szHint.width - sb_w;
530 730
531 if (recalc_x) 731 if (recalc_x)
532 R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen) 732 szHint.x += DisplayWidth (xdisp, display->screen) - szHint.width - 2 * ext_bwidth;
533 - R->szHint.width - 2 * R->TermWin.ext_bwidth); 733
534 if (recalc_y) 734 if (recalc_y)
535 R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen) 735 szHint.y += DisplayHeight (xdisp, display->screen) - szHint.height - 2 * ext_bwidth;
536 - R->szHint.height - 2 * R->TermWin.ext_bwidth);
537 736
538 R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth; 737 ncol = width / fwidth;
539 R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight; 738 nrow = height / fheight;
540 D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
541 R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
542 R->szHint.height));
543 return;
544} 739}
545 740
546/*----------------------------------------------------------------------*/ 741/*----------------------------------------------------------------------*/
547/* 742/*
548 * Tell the teletype handler what size the window is. 743 * Tell the teletype handler what size the window is.
549 * Called after a window size change. 744 * Called after a window size change.
550 */ 745 */
551/* EXTPROTO */
552void 746void
553rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid) 747rxvt_term::tt_winch ()
554{ 748{
749 if (pty->pty < 0)
750 return;
751
555 struct winsize ws; 752 struct winsize ws;
556 753
557 if (fd < 0)
558 return;
559 ws.ws_col = col; 754 ws.ws_col = ncol;
560 ws.ws_row = row; 755 ws.ws_row = nrow;
561 ws.ws_xpixel = ws.ws_ypixel = 0; 756 ws.ws_xpixel = width;
562#ifndef DEBUG_SIZE 757 ws.ws_ypixel = height;
563 (void)ioctl(fd, TIOCSWINSZ, &ws); 758 (void)ioctl (pty->pty, TIOCSWINSZ, &ws);
564#else 759
565 if (ioctl(fd, TIOCSWINSZ, &ws) < 0) { 760#if 0
566 D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd)); 761 // TIOCSWINSZ⎈ is supposed to do this automatically and correctly
567 }
568# ifdef SIGWINCH
569 else if (pid) /* force through to the command */ 762 if (cmd_pid) /* force through to the command */
570 kill(pid, SIGWINCH); 763 kill (-cmd_pid, SIGWINCH);
571# endif
572#endif 764#endif
573} 765}
574 766
575/*----------------------------------------------------------------------*/ 767/*----------------------------------------------------------------------*/
576/* rxvt_change_font() - Switch to a new font */ 768/* set_fonts () - load and set the various fonts
577/* 769 *
578 * init = 1 - initialize 770 * init = 1 - initialize
579 * 771 *
580 * fontname == FONT_UP - switch to bigger font 772 * fontname == FONT_UP - switch to bigger font
581 * fontname == FONT_DN - switch to smaller font 773 * fontname == FONT_DN - switch to smaller font
582 */ 774 */
583/* EXTPROTO */ 775bool
584void 776rxvt_term::set_fonts ()
585rxvt_change_font(pR_ int init, const char *fontname)
586{ 777{
587} 778 rxvt_fontset *fs = new rxvt_fontset (this);
779 rxvt_fontprop prop;
588 780
589/* INTPROTO */ 781 if (!fs
590void 782 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
591rxvt_font_up_down(pR_ int n, int direction) 783 || !fs->realize_font (1))
784 {
785 delete fs;
786 return false;
787 }
788
789#if ENABLE_STYLES
790 for (int i = RS_styleCount; --i; )
791 if (fontset[i] != fontset[0])
792 delete fontset[i];
793#endif
794
795 delete fontset[0];
796 fontset[0] = fs;
797
798 prop = (*fs)[1]->properties ();
799 prop.height += lineSpace;
800 fs->set_prop (prop);
801
802 fwidth = prop.width;
803 fheight = prop.height;
804 fbase = prop.ascent;
805
806 for (int style = 1; style < 4; style++)
807 {
808#if ENABLE_STYLES
809 const char *res = rs[Rs_font + style];
810
811 if (res && !*res)
812 fontset[style] = fontset[0];
813 else
814 {
815 fontset[style] = fs = new rxvt_fontset (this);
816 rxvt_fontprop prop2 = prop;
817
818 if (res)
819 prop2.weight = prop2.slant = rxvt_fontprop::unset;
820 else
821 {
822 res = fontset[0]->fontdesc;
823
824 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
825 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
826 }
827
828 fs->populate (res);
829 fs->set_prop (prop2);
830 }
831#else
832 fontset[style] = fontset[0];
833#endif
834 }
835
836 if (parent[0])
837 {
838 resize_all_windows (0, 0, 0);
839 scr_remap_chars ();
840 scr_touch (true);
841 }
842
843 return true;
844}
845
846void rxvt_term::set_string_property (Atom prop, const char *str, int len)
592{ 847{
848 XChangeProperty (xdisp, parent[0],
849 prop, XA_STRING, 8, PropModeReplace,
850 (const unsigned char *)str, len >= 0 ? len : strlen (str));
851}
852
853void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
854{
855 wchar_t *ws = rxvt_mbstowcs (str, len);
856 char *s = rxvt_wcstoutf8 (ws);
857
858 XChangeProperty (xdisp, parent[0],
859 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
860 (const unsigned char *)s, strlen (s));
861
862 free (s);
863 free (ws);
593} 864}
594 865
595/*----------------------------------------------------------------------*/ 866/*----------------------------------------------------------------------*/
596/*----------------------------------------------------------------------*/ 867/*----------------------------------------------------------------------*/
597/* xterm sequences - title, iconName, color (exptl) */ 868/* xterm sequences - title, iconName, color (exptl) */
598/* EXTPROTO */
599void 869void
600rxvt_set_title(pR_ const char *str) 870rxvt_term::set_title (const char *str)
601{ 871{
602#ifndef SMART_WINDOW_TITLE 872 set_string_property (XA_WM_NAME, str);
603 XStoreName(R->Xdisplay, R->TermWin.parent[0], str); 873#if ENABLE_EWMH
874 set_utf8_property (xa[XA_NET_WM_NAME], str);
875#endif
876}
877
878void
879rxvt_term::set_icon_name (const char *str)
880{
881 set_string_property (XA_WM_ICON_NAME, str);
882#if ENABLE_EWMH
883 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
884#endif
885}
886
887#ifdef XTERM_COLOR_CHANGE
888void
889rxvt_term::set_window_color (int idx, const char *color)
890{
891 rxvt_color xcol;
892 int i;
893
894 if (color == NULL || *color == '\0')
895 return;
896
897 color = strdup (color);
898 allocated.push_back ((void *)color);
899 rs[Rs_color + idx] = color;
900
901 /* handle color aliases */
902 if (isdigit (*color))
903 {
904 i = atoi (color);
905
906 if (i >= 8 && i <= 15)
907 { /* bright colors */
908 i -= 8;
909 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
910 goto done;
911 }
912
913 if (i >= 0 && i <= 7)
914 { /* normal colors */
915 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
916 goto done;
917 }
918 }
919
920 set_color (xcol, color);
921
922 /*
923 * FIXME: should free colors here, but no idea how to do it so instead,
924 * so just keep gobbling up the colormap
925 */
926
927 pix_colors_focused[idx] = xcol;
928
929 /* XSetWindowAttributes attr; */
930 /* Cursor cursor; */
931done:
932
933#if OFF_FOCUS_FADING
934 if (rs[Rs_fade])
935 {
936 rgba c;
937 pix_colors [Color_fade].get (c);
938 pix_colors_focused [idx].fade (this, atoi (rs[Rs_fade]), pix_colors_unfocused [idx], c);
939 }
940#endif
941
942 /*TODO: handle Color_BD, scrollbar background, etc. */
943
944 recolour_cursor ();
945 scr_recolour ();
946}
947
604#else 948#else
605 char *name;
606
607 if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
608 name = NULL;
609 if (name == NULL || STRCMP(name, str))
610 XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
611 if (name)
612 XFree(name);
613#endif
614}
615
616/* EXTPROTO */
617void
618rxvt_set_iconName(pR_ const char *str)
619{
620#ifndef SMART_WINDOW_TITLE
621 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
622#else
623 char *name;
624
625 if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
626 name = NULL;
627 if (name == NULL || STRCMP(name, str))
628 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
629 if (name)
630 XFree(name);
631#endif
632}
633
634#ifdef XTERM_COLOR_CHANGE
635/* EXTPROTO */
636void
637rxvt_set_window_color(pR_ int idx, const char *color)
638{
639 rxvt_color xcol;
640 int i;
641
642 if (color == NULL || *color == '\0')
643 return;
644
645/* handle color aliases */
646 if (isdigit(*color)) {
647 i = atoi(color);
648 if (i >= 8 && i <= 15) { /* bright colors */
649 i -= 8;
650# ifndef NO_BRIGHTCOLOR
651 R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
652 SET_PIXCOLOR(R, idx);
653 goto Done;
654# endif
655 }
656 if (i >= 0 && i <= 7) { /* normal colors */
657 R->PixColors[idx] = R->PixColors[minCOLOR + i];
658 SET_PIXCOLOR(R, idx);
659 goto Done;
660 }
661 }
662 if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
663 return;
664/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
665
666/*
667 * FIXME: should free colors here, but no idea how to do it so instead,
668 * so just keep gobbling up the colormap
669 */
670# if 0
671 for (i = Color_Black; i <= Color_White; i++)
672 if (R->PixColors[idx] == R->PixColors[i])
673 break;
674 if (i > Color_White) {
675 /* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
676 XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
677 DisplayPlanes(R->Xdisplay, Xscreen));
678 }
679# endif
680
681 R->PixColors[idx] = xcol;
682 SET_PIXCOLOR(R, idx);
683
684/* XSetWindowAttributes attr; */
685/* Cursor cursor; */
686 Done:
687 if (idx == Color_bg && !(R->Options & Opt_transparent))
688 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
689 R->PixColors[Color_bg]);
690
691/* handle Color_BD, scrollbar background, etc. */
692
693 rxvt_set_colorfgbg(aR);
694 rxvt_recolour_cursor(aR);
695/* the only reasonable way to enforce a clean update */
696 rxvt_scr_poweron(aR);
697}
698
699#else
700# define rxvt_set_window_color(aR_ idx,color) ((void)0) 949# define set_window_color (idx,color) ((void)0)
701#endif /* XTERM_COLOR_CHANGE */ 950#endif /* XTERM_COLOR_CHANGE */
702 951
703/* EXTPROTO */
704void 952void
705rxvt_recolour_cursor(pR) 953rxvt_term::recolour_cursor ()
706{ 954{
707 rxvt_color xcol[2]; 955 XColor xcol[2];
708 956
709#if TODO 957 xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
710 xcol[0] = R->PixColors[Color_pointer]; 958 ? pix_colors_focused[Color_pointer_fg]
711 xcol[1] = R->PixColors[Color_bg]; 959 : pix_colors_focused[Color_fg];
712 XQueryColors(R->Xdisplay, XCMAP, xcol, 2); 960 xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
961 ? pix_colors_focused[Color_pointer_bg]
962 : pix_colors_focused[Color_bg];
963
964 XQueryColors (xdisp, cmap, xcol, 2);
713 XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1])); 965 XRecolorCursor (xdisp, TermWin_cursor, xcol + 0, xcol + 1);
714#endif
715} 966}
716 967
717/*----------------------------------------------------------------------*/ 968/*----------------------------------------------------------------------*/
718/* 969/*
719 * find if fg/bg matches any of the normal (low-intensity) colors 970 * find if fg/bg matches any of the normal (low-intensity) colors
720 */ 971 */
721/* INTPROTO */
722void 972void
723rxvt_set_colorfgbg(pR) 973rxvt_term::set_colorfgbg ()
724{ 974{
725 unsigned int i; 975 unsigned int i;
726 const char *xpmb = "\0"; 976 const char *xpmb = "\0";
727 char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1]; 977 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
728 978
729 R->env_colorfgbg = 979 strcpy (fstr, "default");
730 (char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1); 980 strcpy (bstr, "default");
731 STRCPY(fstr, "default");
732 STRCPY(bstr, "default");
733 for (i = Color_Black; i <= Color_White; i++) 981 for (i = Color_Black; i <= Color_White; i++)
734 if (R->PixColors[Color_fg] == R->PixColors[i]) { 982 if (pix_colors[Color_fg] == pix_colors[i])
983 {
735 sprintf(fstr, "%d", (i - Color_Black)); 984 sprintf (fstr, "%d", (i - Color_Black));
736 break; 985 break;
737 } 986 }
987
738 for (i = Color_Black; i <= Color_White; i++) 988 for (i = Color_Black; i <= Color_White; i++)
739 if (R->PixColors[Color_bg] == R->PixColors[i]) { 989 if (pix_colors[Color_bg] == pix_colors[i])
990 {
740 sprintf(bstr, "%d", (i - Color_Black)); 991 sprintf (bstr, "%d", (i - Color_Black));
741#ifdef XPM_BACKGROUND 992#ifdef XPM_BACKGROUND
742 xpmb = "default;"; 993 xpmb = "default;";
743#endif 994#endif
744 break; 995 break;
745 } 996 }
997
746 sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); 998 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
747 putenv(R->env_colorfgbg);
748
749#ifndef NO_BRIGHTCOLOR
750 R->colorfgbg = DEFAULT_RSTYLE;
751 for (i = minCOLOR; i <= maxCOLOR; i++) {
752 if (R->PixColors[Color_fg] == R->PixColors[i])
753 R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
754 if (R->PixColors[Color_bg] == R->PixColors[i])
755 R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
756 }
757#endif
758} 999}
759 1000
760/*----------------------------------------------------------------------*/ 1001/*----------------------------------------------------------------------*/
761/*
762 * Colour determination for low colour displays, routine from
763 * Hans de Goede <hans@highrise.nl>
764 */
765 1002
766/* EXTPROTO */ 1003bool
767int 1004rxvt_term::set_color (rxvt_color &color, const char *name)
768rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
769{ 1005{
770 screen_in_out->set(aR_ colour); 1006 if (color.set (this, name))
771
772 if (!screen_in_out->set(aR_ colour)) {
773 rxvt_print_error("can't allocate colour: %s", colour);
774 return false;
775 }
776
777 return true; 1007 return true;
1008
1009 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
1010 return false;
778} 1011}
779 1012
780/* -------------------------------------------------------------------- * 1013/* -------------------------------------------------------------------- *
781 * - WINDOW RESIZING - * 1014 * - WINDOW RESIZING - *
782 * -------------------------------------------------------------------- */ 1015 * -------------------------------------------------------------------- */
783/* EXTPROTO */
784void 1016void
785rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height, 1017rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
786 int ignoreparent)
787{ 1018{
788 int fix_screen; 1019 int fix_screen;
1020 int old_width = szHint.width;
1021 int old_height = szHint.height;
789 1022
1023 window_calc (newwidth, newheight);
1024 XSetWMNormalHints (xdisp, parent[0], &szHint);
1025
1026 if (!ignoreparent)
1027 {
790#ifdef SMART_RESIZE 1028#ifdef SMART_RESIZE
791 int old_width = R->szHint.width, old_height = R->szHint.height; 1029 /*
792#endif
793
794 rxvt_window_calc(aR_ width, height);
795 XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
796 if (!ignoreparent) {
797#ifdef SMART_RESIZE
798/*
799 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> 1030 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
800 * reposition window on resize depending on placement on screen 1031 * reposition window on resize depending on placement on screen
801 */ 1032 */
802 int x, y, x1, y1; 1033 int x, y, x1, y1;
803 int dx, dy; 1034 int dx, dy;
804 unsigned int unused_w1, unused_h1, unused_b1, unused_d1; 1035 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
805 Window unused_cr; 1036 Window unused_cr;
806 1037
807 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot, 1038 XTranslateCoordinates (xdisp, parent[0], display->root,
808 0, 0, &x, &y, &unused_cr); 1039 0, 0, &x, &y, &unused_cr);
809 XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1, 1040 XGetGeometry (xdisp, parent[0], &unused_cr, &x1, &y1,
810 &unused_w1, &unused_h1, &unused_b1, &unused_d1); 1041 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
811 /* 1042 /*
812 * if Xroot isn't the parent window, a WM will probably have offset 1043 * if display->root isn't the parent window, a WM will probably have offset
813 * our position for handles and decorations. Counter it 1044 * our position for handles and decorations. Counter it
814 */ 1045 */
815 if (x1 != x || y1 != y) { 1046 if (x1 != x || y1 != y)
1047 {
816 x -= x1; 1048 x -= x1;
817 y -= y1; 1049 y -= y1;
818 } 1050 }
819 1051
820 x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2; 1052 x1 = (DisplayWidth (xdisp, display->screen) - old_width ) / 2;
821 y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2; 1053 y1 = (DisplayHeight (xdisp, display->screen) - old_height) / 2;
822 dx = old_width - R->szHint.width; 1054 dx = old_width - szHint.width;
823 dy = old_height - R->szHint.height; 1055 dy = old_height - szHint.height;
824 1056
825 /* Check position of the center of the window */ 1057 /* Check position of the center of the window */
826 if (x < x1) /* left half */ 1058 if (x < x1) /* left half */
827 dx = 0; 1059 dx = 0;
828 else if (x == x1) /* exact center */ 1060 else if (x == x1) /* exact center */
829 dx /= 2; 1061 dx /= 2;
830 if (y < y1) /* top half */ 1062 if (y < y1) /* top half */
831 dy = 0; 1063 dy = 0;
832 else if (y == y1) /* exact center */ 1064 else if (y == y1) /* exact center */
833 dy /= 2; 1065 dy /= 2;
834 1066
835 XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy, 1067 XMoveResizeWindow (xdisp, parent[0], x + dx, y + dy,
836 R->szHint.width, R->szHint.height); 1068 szHint.width, szHint.height);
837#else 1069#else
838 XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width, 1070 XResizeWindow (xdisp, parent[0], szHint.width, szHint.height);
839 R->szHint.height);
840#endif 1071#endif
841 } 1072 }
842 1073
843 fix_screen = (R->TermWin.ncol != R->prev_ncol 1074 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
844 || R->TermWin.nrow != R->prev_nrow); 1075
845 if (fix_screen || width != R->old_width || height != R->old_height) { 1076 if (fix_screen || newwidth != old_width || newheight != old_height)
846 if (scrollbar_visible(R)) { 1077 {
1078 if (scrollBar.state)
1079 {
847 XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x, 1080 XMoveResizeWindow (xdisp, scrollBar.win,
1081 window_sb_x, 0,
848 0, scrollbar_TotalWidth(), R->szHint.height); 1082 scrollbar_TotalWidth (), szHint.height);
849 rxvt_Resize_scrollBar(aR); 1083 resize_scrollbar ();
850 } 1084 }
851 if (menubar_visible(R)) 1085
852 XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x, 1086 XMoveResizeWindow (xdisp, vt,
853 0, TermWin_TotalWidth(), menuBar_TotalHeight()); 1087 window_vt_x, window_vt_y,
854 XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
855 R->window_vt_y, TermWin_TotalWidth(),
856 TermWin_TotalHeight()); 1088 width, height);
857#ifdef RXVT_GRAPHICS 1089
858 if (R->old_height)
859 rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
860 R->old_height - R->szHint.base_height);
861#endif
862 rxvt_scr_clear(aR); 1090 scr_clear ();
863#ifdef XPM_BACKGROUND 1091#ifdef XPM_BACKGROUND
864 rxvt_resize_pixmap(aR); 1092 resize_pixmap ();
865#endif 1093#endif
866 } 1094 }
867 1095
868 if (fix_screen || R->old_height == 0) { 1096 if (fix_screen || old_height == 0)
869 int curr_screen = -1; 1097 scr_reset ();
870 uint16_t old_ncol = R->prev_ncol;
871 1098
872 /* scr_reset only works on the primary screen */ 1099#ifdef XPM_BACKGROUND
873 if (R->old_height) /* this is not the first time through */ 1100 if (pixmap)
874 curr_screen = rxvt_scr_change_screen(aR_ PRIMARY); 1101 scr_touch (false);
875 rxvt_scr_reset(aR); 1102#endif
876 if (curr_screen >= 0) { /* this is not the first time through */
877 rxvt_scr_change_screen(aR_ curr_screen);
878 rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
879 }
880 }
881
882 R->old_width = R->szHint.width;
883 R->old_height = R->szHint.height;
884 1103
885#ifdef USE_XIM 1104#ifdef USE_XIM
886 rxvt_IMSetStatusPosition(aR); 1105 IMSetStatusPosition ();
887#endif 1106#endif
888} 1107}
889 1108
890/* 1109/*
891 * Set the width/height of the vt window in characters. Units are pixels. 1110 * Set the width/height of the vt window in characters. Units are pixels.
892 * good for toggling 80/132 columns 1111 * good for toggling 80/132 columns
893 */ 1112 */
894/* EXTPROTO */
895void 1113void
896rxvt_set_widthheight(pR_ unsigned int width, unsigned int height) 1114rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
897{ 1115{
898 XWindowAttributes wattr; 1116 XWindowAttributes wattr;
899 1117
900 if (width == 0 || height == 0) { 1118 if (newwidth == 0 || newheight == 0)
1119 {
901 XGetWindowAttributes(R->Xdisplay, Xroot, &wattr); 1120 XGetWindowAttributes (xdisp, display->root, &wattr);
1121
902 if (width == 0) 1122 if (newwidth == 0)
903 width = wattr.width - R->szHint.base_width; 1123 newwidth = wattr.width - szHint.base_width;
904 if (height == 0) 1124 if (newheight == 0)
905 height = wattr.height - R->szHint.base_height; 1125 newheight = wattr.height - szHint.base_height;
1126 }
1127
1128 if (newwidth != width || newheight != height)
906 } 1129 {
907 if (width != R->TermWin.width || height != R->TermWin.height) {
908 width += R->szHint.base_width; 1130 newwidth += szHint.base_width;
909 height += R->szHint.base_height; 1131 newheight += szHint.base_height;
910 rxvt_resize_all_windows(aR_ width, height, 0); 1132 resize_all_windows (newwidth, newheight, 0);
911 } 1133 }
912} 1134}
913 1135
914/* -------------------------------------------------------------------- * 1136/* -------------------------------------------------------------------- *
915 * - X INPUT METHOD ROUTINES - * 1137 * - X INPUT METHOD ROUTINES - *
916 * -------------------------------------------------------------------- */ 1138 * -------------------------------------------------------------------- */
917#ifdef USE_XIM 1139#ifdef USE_XIM
918/* INTPROTO */
919void
920rxvt_setSize(pR_ XRectangle * size)
921{
922 size->x = R->TermWin.int_bwidth;
923 size->y = R->TermWin.int_bwidth;
924 size->width = Width2Pixel(R->TermWin.ncol);
925 size->height = Height2Pixel(R->TermWin.nrow);
926}
927 1140
928/* INTPROTO */
929void 1141void
930rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg) 1142rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
931{ 1143{
932 *fg = R->PixColors[Color_fg]; 1144 fg = pix_colors[Color_fg];
933 *bg = R->PixColors[Color_bg]; 1145 bg = pix_colors[Color_bg];
1146}
1147
1148void
1149rxvt_term::im_set_size (XRectangle &size)
1150{
1151 // the int_bwidth terms make no sense to me
1152 size.x = int_bwidth;
1153 size.y = int_bwidth;
1154 size.width = Width2Pixel (ncol) + int_bwidth;
1155 size.height = Height2Pixel (nrow) + int_bwidth;
1156}
1157
1158void
1159rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1160 XRectangle &status_rect,
1161 const XRectangle &needed_rect)
1162{
1163 preedit_rect.x = needed_rect.width;
1164 preedit_rect.y = 0;
1165 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1166 preedit_rect.height = fheight;
1167
1168 status_rect.x = 0;
1169 status_rect.y = 0;
1170 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1171 status_rect.height = fheight;
934} 1172}
935 1173
936/* Checking whether input method is running. */ 1174/* Checking whether input method is running. */
937/* INTPROTO */
938Bool 1175bool
939rxvt_IMisRunning(pR) 1176rxvt_term::IMisRunning ()
940{ 1177{
941 char *p; 1178 char *p;
942 Atom atom; 1179 Atom atom;
943 Window win; 1180 Window win;
944 char server[IMBUFSIZ]; 1181 char server[IMBUFSIZ];
945 1182
946/* get current locale modifier */ 1183 /* get current locale modifier */
947 if ((p = XSetLocaleModifiers(NULL)) != NULL) { 1184 if ((p = XSetLocaleModifiers (NULL)) != NULL)
1185 {
948 STRCPY(server, "@server="); 1186 strcpy (server, "@server=");
949 STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */ 1187 strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1188
950 if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */ 1189 if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
951 *p = '\0'; 1190 *p = '\0';
952 1191
953 atom = XInternAtom(R->Xdisplay, server, False); 1192 atom = XInternAtom (xdisp, server, False);
954 win = XGetSelectionOwner(R->Xdisplay, atom); 1193 win = XGetSelectionOwner (xdisp, atom);
1194
955 if (win != None) 1195 if (win != None)
956 return True; 1196 return True;
957 } 1197 }
1198
958 return False; 1199 return False;
959} 1200}
960 1201
961/* EXTPROTO */
962void 1202void
963rxvt_IMSendSpot(pR) 1203rxvt_term::IMSendSpot ()
964{ 1204{
965 XPoint spot; 1205 XPoint nspot;
966 XVaNestedList preedit_attr; 1206 XVaNestedList preedit_attr;
967 1207
968 if (R->Input_Context == NULL 1208 if (!Input_Context
969 || !R->TermWin.focus || !(R->input_style & XIMPreeditPosition) 1209 || !focus
970 || !(R->event_type == KeyPress 1210 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
971 || R->event_type == Expose
972 || R->event_type == NoExpose
973 || R->event_type == SelectionNotify
974 || R->event_type == ButtonRelease || R->event_type == FocusIn)
975 || !rxvt_IMisRunning(aR))
976 return; 1211 return;
977 1212
978 rxvt_setPosition(aR_ & spot); 1213 im_set_position (nspot);
979 1214
1215 if (nspot.x == spot.x && nspot.y == spot.y)
1216 return;
1217
1218 spot = nspot;
1219
980 preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL); 1220 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
981 XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL); 1221 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
982 XFree(preedit_attr); 1222 XFree (preedit_attr);
983} 1223}
984 1224
985/* EXTPROTO */
986void 1225void
987rxvt_setTermFontSet(pR_ int idx) 1226rxvt_term::im_destroy ()
988{ 1227{
989 char *string; 1228 if (input_method)
990 long length; 1229 {
991 int success = 0; 1230 if (Input_Context && input_method->xim)
1231 XDestroyIC (Input_Context);
992 1232
993 if (idx < 0 || idx >= MAX_NFONTS) 1233 display->put_xim (input_method);
994 return; 1234 input_method = 0;
995} 1235 }
996 1236
997/* INTPROTO */
998void
999rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1000 XRectangle * needed_rect)
1001{
1002 int mbh, vtx = 0;
1003
1004 if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1005 vtx = scrollbar_TotalWidth();
1006 mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1007 mbh -= R->TermWin.lineSpace;
1008
1009 preedit_rect->x = needed_rect->width + vtx;
1010 preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1011
1012 preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1013 + vtx;
1014 preedit_rect->height = Height2Pixel(1);
1015
1016 status_rect->x = vtx;
1017 status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1018
1019 status_rect->width = needed_rect->width ? needed_rect->width
1020 : Width2Pixel(R->TermWin.ncol + 1);
1021 status_rect->height = Height2Pixel(1);
1022}
1023
1024/* ARGSUSED */
1025/* INTPROTO */
1026void
1027rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1028 __attribute__ ((unused)), XPointer call_data
1029 __attribute__ ((unused)))
1030{
1031 dR;
1032
1033 R->Input_Context = NULL; 1237 Input_Context = 0;
1034/* To avoid Segmentation Fault in C locale: Solaris only? */
1035 if (STRCMP(R->locale, "C"))
1036 XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1037 rxvt_IMInstantiateCallback, NULL);
1038} 1238}
1039 1239
1040/* 1240#ifdef ENABLE_XIM_ONTHESPOT
1041 * X manual pages and include files don't match on some systems:
1042 * some think this is an XIDProc and others an XIMProc so we can't
1043 * use the first argument - need to update this to be nice for
1044 * both types via some sort of configure detection
1045 */
1046/* ARGSUSED */
1047/* EXTPROTO */
1048void
1049rxvt_IMInstantiateCallback(Display * unused
1050 __attribute__ ((unused)), XPointer client_data
1051 __attribute__ ((unused)), XPointer call_data
1052 __attribute__ ((unused)))
1053{
1054 dR;
1055 int i, found, had_im;
1056 const char *p;
1057 char **s;
1058 char buf[IMBUFSIZ];
1059 1241
1060 D_MAIN((stderr, "rxvt_IMInstantiateCallback()")); 1242static void
1061 if (R->Input_Context) 1243xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1062 return; 1244{
1245 ((rxvt_term *)client_data)->make_current ();
1246 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1247}
1063 1248
1064 found = had_im = 0; 1249static void
1065 p = R->rs[Rs_inputMethod]; 1250xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1066 if (p && *p) { 1251{
1067 had_im = 1; 1252 ((rxvt_term *)client_data)->make_current ();
1068 s = rxvt_splitcommastring(p); 1253 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1069 for (i = 0; s[i]; i++) { 1254}
1070 if (*s[i]) { 1255
1071 STRCPY(buf, "@im="); 1256static void
1072 STRNCAT(buf, s[i], IMBUFSIZ - 5); 1257xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1073 if ((p = XSetLocaleModifiers(buf)) != NULL && *p 1258{
1074 && (rxvt_IM_get_IC(aR) == True)) { 1259 rxvt_term *term = (rxvt_term *)client_data;
1075 found = 1; 1260 XIMText *text = call_data->text;
1076 break; 1261
1077 } 1262 term->make_current ();
1078 } 1263
1264 if (text)
1265 {
1266 void *str;
1267
1268 if (!text->encoding_is_wchar && text->string.multi_byte)
1269 {
1270 // of course, X makes it ugly again
1271 if (term->rs[Rs_imLocale])
1272 SET_LOCALE (term->rs[Rs_imLocale]);
1273
1274 str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
1275 mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
1276
1277 if (term->rs[Rs_imLocale])
1278 SET_LOCALE (term->locale);
1079 } 1279 }
1080 for (i = 0; s[i]; i++) 1280 else
1081 free(s[i]); 1281 str = (void *)text->string.wide_char;
1082 free(s); 1282
1283 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1284 DT_INT, call_data->caret,
1285 DT_INT, call_data->chg_first,
1286 DT_INT, call_data->chg_length,
1287 DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1288 DT_WCS_LEN, str, str ? (int)text->length : 0,
1289 DT_END));
1083 } 1290 }
1084 if (found) 1291 else
1085 return; 1292 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1086 1293 DT_INT, call_data->caret,
1087/* try with XMODIFIERS env. var. */ 1294 DT_INT, call_data->chg_first,
1088 if ((p = XSetLocaleModifiers("")) != NULL && *p) { 1295 DT_INT, call_data->chg_length,
1089 rxvt_IM_get_IC(aR); 1296 DT_END));
1090 return;
1091 }
1092
1093/* try with no modifiers base IF the user didn't specify an IM */
1094 if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p
1095 && rxvt_IM_get_IC(aR) == True)
1096 return;
1097} 1297}
1298
1299#if 0
1300static void
1301xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1302{
1303 ((rxvt_term *)client_data)->make_current ();
1304 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1305 DT_INT, call_data->position,
1306 DT_INT, call_data->direction,
1307 DT_INT, call_data->style,
1308 DT_END));
1309}
1310#endif
1311
1312#endif
1098 1313
1099/* 1314/*
1100 * Try to open a XIM with the current modifiers, then see if we can 1315 * Try to open a XIM with the current modifiers, then see if we can
1101 * open a suitable preedit type 1316 * open a suitable preedit type
1102 */ 1317 */
1103/* INTPROTO */
1104Bool 1318bool
1105rxvt_IM_get_IC(pR) 1319rxvt_term::IM_get_IC (const char *modifiers)
1106{ 1320{
1107 int i, j, found; 1321 int i, j, found;
1108 XIM xim; 1322 XIM xim;
1109 XPoint spot; 1323 XPoint spot;
1110 XRectangle rect, status_rect, needed_rect; 1324 XRectangle rect, status_rect, needed_rect;
1111 unsigned long fg, bg; 1325 unsigned long fg, bg;
1112 const char *p; 1326 const char *p;
1113 char **s; 1327 char **s;
1114 XIMStyles *xim_styles; 1328 XIMStyles *xim_styles;
1115 XVaNestedList preedit_attr, status_attr; 1329#ifdef ENABLE_XIM_ONTHESPOT
1116 XIMCallback ximcallback; 1330 XIMCallback xcb[4];
1331#endif
1117 1332
1118 D_MAIN((stderr, "rxvt_IM_get_IC()")); 1333 set_environ (envv);
1119 xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL); 1334
1120 if (xim == NULL) 1335 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1121 return False; 1336 return false;
1122 1337
1338 input_method = display->get_xim (locale, modifiers);
1339 if (input_method == NULL)
1340 return false;
1341
1342 xim = input_method->xim;
1343 spot.x = spot.y = -1;
1344
1123 xim_styles = NULL; 1345 xim_styles = NULL;
1124 if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL) 1346 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1125 || !xim_styles || !xim_styles->count_styles) { 1347 || !xim_styles || !xim_styles->count_styles)
1126 XCloseIM(xim); 1348 {
1349 im_destroy ();
1127 return False; 1350 return false;
1351 }
1352
1353 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1354
1355 for (int pi = 0; pi < 2; pi++)
1128 } 1356 {
1357 p = pet[pi];
1129 1358
1130 p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType] 1359 if (!p)
1131 : "OverTheSpot,OffTheSpot,Root"; 1360 continue;
1361
1132 s = rxvt_splitcommastring(p); 1362 s = rxvt_splitcommastring (p);
1363
1133 for (i = found = 0; !found && s[i]; i++) { 1364 for (i = found = 0; !found && s[i]; i++)
1365 {
1134 if (!STRCMP(s[i], "OverTheSpot")) 1366 if (!strcmp (s[i], "OverTheSpot"))
1135 R->input_style = (XIMPreeditPosition | XIMStatusNothing); 1367 input_style = XIMPreeditPosition | XIMStatusNothing;
1136 else if (!STRCMP(s[i], "OffTheSpot")) 1368 else if (!strcmp (s[i], "OffTheSpot"))
1137 R->input_style = (XIMPreeditArea | XIMStatusArea); 1369 input_style = XIMPreeditArea | XIMStatusArea;
1138 else if (!STRCMP(s[i], "Root")) 1370 else if (!strcmp (s[i], "Root"))
1139 R->input_style = (XIMPreeditNothing | XIMStatusNothing); 1371 input_style = XIMPreeditNothing | XIMStatusNothing;
1372 else if (!strcmp (s[i], "None"))
1373 input_style = XIMPreeditNone | XIMStatusNone;
1374#ifdef ENABLE_XIM_ONTHESPOT
1375 else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1376 input_style = XIMPreeditCallbacks | XIMStatusNothing;
1377#endif
1378 else
1379 input_style = XIMPreeditNothing | XIMStatusNothing;
1140 1380
1141 for (j = 0; j < xim_styles->count_styles; j++) 1381 for (j = 0; j < xim_styles->count_styles; j++)
1142 if (R->input_style == xim_styles->supported_styles[j]) { 1382 if (input_style == xim_styles->supported_styles[j])
1383 {
1384 rxvt_freecommastring (s);
1385
1143 found = 1; 1386 found = 1;
1387 goto foundpet;
1388 }
1389
1390 }
1391
1392 rxvt_freecommastring (s);
1393 }
1394
1395foundpet:
1396
1397 XFree (xim_styles);
1398
1399 if (!found)
1400 {
1401 im_destroy ();
1402 return false;
1403 }
1404
1405 XFontSet fs = 0;
1406 XVaNestedList preedit_attr = 0, status_attr = 0;
1407
1408 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1409 {
1410 // fake us a font-set, please
1411 char **missing_charset_list;
1412 int missing_charset_count;
1413 char *def_string;
1414 char pat[512];
1415
1416 sprintf (pat,
1417 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1418 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1419 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1420 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1421 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1422 "*",
1423 fheight,
1424 fheight + 1, fheight - 1,
1425 fheight - 2, fheight + 2);
1426
1427 fs = XCreateFontSet (xdisp, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1428 &missing_charset_list, &missing_charset_count, &def_string);
1429
1430 if (missing_charset_list)
1431 XFreeStringList (missing_charset_list);
1432
1433 if (!fs)
1434 {
1435 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1436 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1437 }
1438 }
1439
1440 if (input_style & XIMPreeditPosition)
1441 {
1442 im_set_size (rect);
1443 im_set_position (spot);
1444 im_set_color (fg, bg);
1445
1446 preedit_attr = XVaCreateNestedList (0,
1447 XNForeground, fg,
1448 XNBackground, bg,
1449 XNArea, &rect,
1450 XNSpotLocation, &spot,
1451 XNFontSet, fs,
1452 NULL);
1453 }
1454 else if (input_style & XIMPreeditArea)
1455 {
1456 im_set_color (fg, bg);
1457
1458 /*
1459 * The necessary width of preedit area is unknown
1460 * until create input context.
1461 */
1462 needed_rect.width = 0;
1463 im_set_preedit_area (rect, status_rect, needed_rect);
1464
1465 preedit_attr = XVaCreateNestedList (0,
1466 XNForeground, fg,
1467 XNBackground, bg,
1468 XNArea, &rect,
1469 XNFontSet, fs,
1470 NULL);
1471 status_attr = XVaCreateNestedList (0,
1472 XNForeground, fg,
1473 XNBackground, bg,
1474 XNArea, &status_rect,
1475 XNFontSet, fs,
1476 NULL);
1477 }
1478#if ENABLE_XIM_ONTHESPOT
1479 else if (input_style & XIMPreeditCallbacks)
1480 {
1481 im_set_position (spot);
1482
1483 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1484 xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1485 xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1486# if 0
1487 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1488# endif
1489
1490 preedit_attr = XVaCreateNestedList (0,
1491 XNSpotLocation, &spot,
1492 XNPreeditStartCallback, &xcb[0],
1493 XNPreeditDoneCallback , &xcb[1],
1494 XNPreeditDrawCallback , &xcb[2],
1495# if 0
1496 XNPreeditCaretCallback, &xcb[3],
1497# endif
1498 NULL);
1499 }
1500#endif
1501
1502 Input_Context = XCreateIC (xim,
1503 XNInputStyle, input_style,
1504 XNClientWindow, vt,
1505 XNFocusWindow, parent[0],
1506 preedit_attr ? XNPreeditAttributes : NULL,
1507 preedit_attr,
1508 status_attr ? XNStatusAttributes : NULL,
1509 status_attr, NULL);
1510
1511 if (preedit_attr) XFree (preedit_attr);
1512 if (status_attr) XFree (status_attr);
1513 if (fs) XFreeFontSet (xdisp, fs);
1514
1515 if (Input_Context == NULL)
1516 {
1517 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1518 im_destroy ();
1519 return false;
1520 }
1521
1522#if 0
1523 // unfortunately, only the focus window is used by XIM, hard to fix
1524 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1525 vt_select_input ();
1526#endif
1527
1528 if (input_style & XIMPreeditArea)
1529 IMSetStatusPosition ();
1530
1531 return true;
1532}
1533
1534void
1535rxvt_term::im_cb ()
1536{
1537 int i;
1538 const char *p;
1539 char **s;
1540 char buf[IMBUFSIZ];
1541
1542 make_current ();
1543
1544 im_destroy ();
1545
1546 if (Input_Context)
1547 return;
1548
1549#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1550 if (rs[Rs_imLocale])
1551 SET_LOCALE (rs[Rs_imLocale]);
1552#endif
1553
1554 p = rs[Rs_inputMethod];
1555 if (p && *p)
1556 {
1557 bool found = false;
1558
1559 s = rxvt_splitcommastring (p);
1560
1561 for (i = 0; s[i]; i++)
1562 {
1563 if (*s[i])
1564 {
1565 strcpy (buf, "@im=");
1566 strncat (buf, s[i], IMBUFSIZ - 5);
1567 if (IM_get_IC (buf))
1568 {
1569 found = true;
1144 break; 1570 break;
1571 }
1145 } 1572 }
1146 } 1573 }
1147 for (i = 0; s[i]; i++)
1148 free(s[i]);
1149 free(s);
1150 XFree(xim_styles);
1151 1574
1575 rxvt_freecommastring (s);
1576
1152 if (!found) { 1577 if (found)
1153 XCloseIM(xim); 1578 goto done;
1154 return False;
1155 } 1579 }
1156 1580
1157 ximcallback.callback = rxvt_IMDestroyCallback; 1581 /* try with XMODIFIERS env. var. */
1582 if (IM_get_IC (""))
1583 goto done;
1158 1584
1159/* XXX: not sure why we need this (as well as IC one below) */ 1585 /* try with no modifiers base IF the user didn't specify an IM */
1160 XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL); 1586 if (IM_get_IC ("@im=none"))
1587 goto done;
1161 1588
1162 preedit_attr = status_attr = NULL; 1589done:
1163 1590#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1164 if (R->input_style & XIMPreeditPosition) { 1591 if (rs[Rs_imLocale])
1165 rxvt_setSize(aR_ & rect); 1592 SET_LOCALE (locale);
1166 rxvt_setPosition(aR_ & spot); 1593#endif
1167 rxvt_setColor(aR_ & fg, &bg);
1168
1169 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1170 XNSpotLocation, &spot,
1171 XNForeground, fg, XNBackground, bg,
1172 //XNFontSet, R->TermWin.fontset,
1173 NULL);
1174 } else if (R->input_style & XIMPreeditArea) {
1175 rxvt_setColor(aR_ & fg, &bg);
1176
1177 /*
1178 * The necessary width of preedit area is unknown
1179 * until create input context.
1180 */
1181 needed_rect.width = 0;
1182
1183 rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1184
1185 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1186 XNForeground, fg, XNBackground, bg,
1187 //XNFontSet, R->TermWin.fontset,
1188 NULL);
1189 status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1190 XNForeground, fg, XNBackground, bg,
1191 //XNFontSet, R->TermWin.fontset,
1192 NULL);
1193 }
1194 R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1195 XNClientWindow, R->TermWin.parent[0],
1196 XNFocusWindow, R->TermWin.parent[0],
1197 XNDestroyCallback, &ximcallback,
1198 preedit_attr ? XNPreeditAttributes : NULL,
1199 preedit_attr,
1200 status_attr ? XNStatusAttributes : NULL,
1201 status_attr, NULL);
1202 if (preedit_attr)
1203 XFree(preedit_attr);
1204 if (status_attr)
1205 XFree(status_attr);
1206 if (R->Input_Context == NULL) {
1207 rxvt_print_error("failed to create input context");
1208 XCloseIM(xim);
1209 return False;
1210 }
1211 if (R->input_style & XIMPreeditArea)
1212 rxvt_IMSetStatusPosition(aR);
1213 D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1214 return True;
1215} 1594}
1216 1595
1217/* EXTPROTO */
1218void 1596void
1219rxvt_IMSetStatusPosition(pR) 1597rxvt_term::IMSetStatusPosition ()
1220{ 1598{
1221 XRectangle preedit_rect, status_rect, *needed_rect; 1599 XRectangle preedit_rect, status_rect, *needed_rect;
1222 XVaNestedList preedit_attr, status_attr; 1600 XVaNestedList preedit_attr, status_attr;
1223 1601
1224 if (R->Input_Context == NULL 1602 if (!Input_Context
1603 || !focus
1225 || !R->TermWin.focus || !(R->input_style & XIMPreeditArea) 1604 || !(input_style & XIMPreeditArea)
1226 || !rxvt_IMisRunning(aR)) 1605 || !IMisRunning ())
1227 return; 1606 return;
1228 1607
1229/* Getting the necessary width of preedit area */ 1608 /* Getting the necessary width of preedit area */
1230 status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL); 1609 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1231 XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL); 1610 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1232 XFree(status_attr); 1611 XFree (status_attr);
1233 1612
1234 rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect); 1613 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1614 XFree (needed_rect);
1235 1615
1236 preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL); 1616 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1237 status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL); 1617 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1238 1618
1239 XSetICValues(R->Input_Context, 1619 XSetICValues (Input_Context,
1240 XNPreeditAttributes, preedit_attr, 1620 XNPreeditAttributes, preedit_attr,
1241 XNStatusAttributes, status_attr, NULL); 1621 XNStatusAttributes, status_attr, NULL);
1242 1622
1243 XFree(preedit_attr); 1623 XFree (preedit_attr);
1244 XFree(status_attr); 1624 XFree (status_attr);
1245} 1625}
1246#endif /* USE_XIM */ 1626#endif /* USE_XIM */
1247 1627
1248/*----------------------------------------------------------------------*/
1249rxvt_t rxvt_current_term;
1250
1251/*----------------------- end-of-file (C source) -----------------------*/ 1628/*----------------------- end-of-file (C source) -----------------------*/

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