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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.3 by pcg, Tue Nov 25 11:52:42 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 1.3 2003/11/25 11:52:42 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
69void
70rxvt_push_locale (const char *locale) NOTHROW
71{
72 strcpy (savelocale, curlocale);
73 rxvt_set_locale (locale);
74}
75
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
141 return len;
142
143}
144#endif
145
47rxvt_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),
48: pty_ev(this, &rxvt_term::pty_cb), 184 pty_ev (this, &rxvt_term::pty_cb),
49 x_ev (this, &rxvt_term::x_cb) 185 incr_ev (this, &rxvt_term::incr_cb)
50{ 186{
51 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base; 187 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
52}
53 188
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;
204}
205
206rxvt_term::~rxvt_term ()
207{
208 termlist.erase (find (termlist.begin (), termlist.end(), this));
209
210 emergency_cleanup ();
211
212#if ENABLE_STYLES
213 for (int i = RS_styleCount; --i; )
214 if (fontset[i] != fontset[0])
215 delete fontset[i];
216#endif
217 delete fontset[0];
218
219 if (display)
220 {
221 selection_clear ();
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
54void * 291void
55rxvt_term::operator new (size_t s) 292rxvt_term::child_cb (child_watcher &w, int status)
56{ 293{
57 void *p = malloc (s); 294 HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
58 295
59 MEMSET (p, 0, s); 296 cmd_pid = 0;
297
298 if (!OPTION (Opt_hold))
299 destroy ();
300}
301
302void
303rxvt_term::destroy ()
304{
305 if (destroy_ev.active)
60 return p; 306 return;
61}
62 307
63void 308 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
64rxvt_term::operator delete (void *p, size_t s)
65{
66 free (p);
67}
68 309
69/*----------------------------------------------------------------------*/ 310#if ENABLE_OVERLAY
70/* rxvt_init() */ 311 scr_overlay_off ();
71/* LIBPROTO */ 312#endif
72rxvt_t
73rxvt_init(int argc, const char *const *argv)
74{
75 const char **cmd_argv;
76 313
77 SET_R(new rxvt_term); 314 if (display)
78 dR;
79
80 if (rxvt_init_vars(aR) < 0)
81 {
82 free(R);
83 return NULL;
84 } 315 {
85 316#if USE_XIM
86/* 317 im_ev.stop (display);
87 * Save and then give up any super-user privileges
88 * If we need privileges in any area then we must specifically request it.
89 * We should only need to be root in these cases:
90 * 1. write utmp entries on some systems
91 * 2. chown tty on some systems
92 */
93 rxvt_privileges(aR_ SAVE);
94 rxvt_privileges(aR_ IGNORE);
95
96 rxvt_init_secondary(aR);
97
98 cmd_argv = rxvt_init_resources(aR_ argc, argv);
99
100 R->x_ev.start (ConnectionNumber (R->Xdisplay), EVENT_READ);
101
102#if (MENUBAR_MAX)
103 rxvt_menubar_read(aR_ R->rs[Rs_menu]);
104#endif 318#endif
105#ifdef HAVE_SCROLLBARS 319#if HAVE_SCROLLBARS
106 if (R->Options & Opt_scrollBar) 320 scrollbar_ev.stop (display);
107 scrollbar_setIdle(); /* set existence for size calculations */
108#endif 321#endif
109
110 rxvt_Create_Windows(aR_ argc, argv);
111
112 rxvt_init_xlocale(aR);
113
114 rxvt_scr_reset(aR); /* initialize screen */
115#ifdef RXVT_GRAPHICS
116 rxvt_Gr_reset(aR); /* reset graphics */
117#endif
118
119#if 0
120#ifdef DEBUG_X
121 XSynchronize(R->Xdisplay, True);
122 XSetErrorHandler((XErrorHandler) abort);
123#else
124 XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
125#endif
126#endif
127
128#ifdef HAVE_SCROLLBARS
129 if (R->Options & Opt_scrollBar)
130 rxvt_Resize_scrollBar(aR); /* create and map scrollbar */
131#endif
132#if (MENUBAR_MAX)
133 if (menubar_visible(r))
134 XMapWindow(R->Xdisplay, R->menuBar.win);
135#endif
136#ifdef TRANSPARENT 322#if TRANSPARENT
137 if (R->Options & Opt_transparent) 323 rootwin_ev.stop (display);
138 { 324#endif
139 XSelectInput(R->Xdisplay, Xroot, PropertyChangeMask); 325 incr_ev.stop ();
140 rxvt_check_our_parents(aR); 326 termwin_ev.stop (display);
327 vt_ev.stop (display);
141 } 328 }
142#endif
143 XMapWindow(R->Xdisplay, R->TermWin.vt);
144 XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
145 329
146 rxvt_init_env(aR); 330 check_ev.stop ();
147 rxvt_init_command(aR_ cmd_argv); 331 pty_ev.stop ();
148 332#ifdef CURSOR_BLINK
149 R->pty_ev.start (R->cmd_fd, EVENT_READ); 333 cursor_blink_ev.stop ();
150
151 return R;
152}
153
154/* ------------------------------------------------------------------------- *
155 * SIGNAL HANDLING & EXIT HANDLER *
156 * ------------------------------------------------------------------------- */
157/*
158 * Catch a SIGCHLD signal and exit if the direct child has died
159 */
160/* ARGSUSED */
161/* EXTPROTO */
162RETSIGTYPE
163rxvt_Child_signal(int sig __attribute__ ((unused)))
164{
165 dR;
166 int pid, save_errno = errno;
167
168 do {
169 errno = 0;
170 } while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
171
172 if (pid == R->cmd_pid)
173 exit(EXIT_SUCCESS);
174
175 errno = save_errno;
176 signal(SIGCHLD, rxvt_Child_signal);
177}
178
179/*
180 * Catch a fatal signal and tidy up before quitting
181 */
182/* EXTPROTO */
183RETSIGTYPE
184rxvt_Exit_signal(int sig)
185{
186 signal(sig, SIG_DFL);
187#ifdef DEBUG_CMD
188 rxvt_print_error("signal %d", sig);
189#endif 334#endif
190 rxvt_clean_exit(); 335#ifdef TEXT_BLINK
191 kill(getpid(), sig); 336 text_blink_ev.stop ();
192} 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
193 347
194/* ARGSUSED */ 348 destroy_ev.start (0);
195/* INTPROTO */ 349}
196int
197rxvt_xerror_handler(const Display * display
198 __attribute__ ((unused)), const XErrorEvent * event)
199{
200 dR;
201 350
202 if (R->allowedxerror == -1) { 351void
203 R->allowedxerror = event->error_code; 352rxvt_term::destroy_cb (time_watcher &w)
204 return 0; /* ignored anyway */ 353{
205 } 354 make_current ();
206 rxvt_print_error("XError: Request: %d . %d, Error: %d", 355
207 event->request_code, event->minor_code, 356 delete this;
208 event->error_code);
209/* XXX: probably should call rxvt_clean_exit() bypassing X routines */
210 exit(EXIT_FAILURE);
211/* NOTREACHED */
212} 357}
213 358
214/*----------------------------------------------------------------------*/ 359/*----------------------------------------------------------------------*/
215/* 360/*
216 * Exit gracefully, clearing the utmp entry and restoring tty attributes 361 * Exit gracefully, clearing the utmp entry and restoring tty attributes
217 * 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
218 */ 363 */
219/* EXTPROTO */ 364static XErrorHandler old_xerror_handler;
220void
221rxvt_clean_exit(void)
222{
223 dR;
224 365
225#ifdef DEBUG_SCREEN 366static void
226 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}
227#endif 420#endif
228#ifndef NO_SETOWNER_TTYDEV 421
229 rxvt_privileged_ttydev(aR_ RESTORE); 422int
230#endif 423rxvt_xerror_handler (Display *display, XErrorEvent *event)
231#ifdef UTMP_SUPPORT 424{
232 rxvt_privileged_utmp(aR_ RESTORE); 425 if (GET_R->allowedxerror == -1)
233#endif 426 GET_R->allowedxerror = event->error_code;
234#ifdef USE_XIM 427 else
235 if (R->Input_Context != NULL) {
236 XDestroyIC(R->Input_Context);
237 R->Input_Context = NULL;
238 } 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);
239#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 ();
240} 575}
241 576
242/* ------------------------------------------------------------------------- * 577/* ------------------------------------------------------------------------- *
243 * MEMORY ALLOCATION WRAPPERS * 578 * MEMORY ALLOCATION WRAPPERS *
244 * ------------------------------------------------------------------------- */ 579 * ------------------------------------------------------------------------- */
245/* EXTPROTO */ 580void *
246void *
247rxvt_malloc(size_t size) 581rxvt_malloc (size_t size)
248{ 582{
249 void *p;
250
251 p = malloc(size); 583 void *p = malloc (size);
584
252 if (p) 585 if (!p)
586 rxvt_fatal ("memory allocation failure. aborting.\n");
587
253 return p; 588 return p;
254
255 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
256 rxvt_clean_exit();
257 exit(EXIT_FAILURE);
258/* NOTREACHED */
259} 589}
260 590
261/* EXTPROTO */ 591void *
262void *
263rxvt_calloc(size_t number, size_t size) 592rxvt_calloc (size_t number, size_t size)
264{ 593{
265 void *p;
266
267 p = calloc(number, size); 594 void *p = calloc (number, size);
595
268 if (p) 596 if (!p)
597 rxvt_fatal ("memory allocation failure. aborting.\n");
598
269 return p; 599 return p;
270
271 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
272 rxvt_clean_exit();
273 exit(EXIT_FAILURE);
274/* NOTREACHED */
275} 600}
276 601
277/* EXTPROTO */ 602void *
278void *
279rxvt_realloc(void *ptr, size_t size) 603rxvt_realloc (void *ptr, size_t size)
280{ 604{
281 void *p;
282
283 if (ptr)
284 p = realloc(ptr, size); 605 void *p = realloc (ptr, size);
285 else 606
286 p = malloc(size);
287 if (p) 607 if (!p)
608 rxvt_fatal ("memory allocation failure. aborting.\n");
609
288 return p; 610 return p;
289
290 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
291 rxvt_clean_exit();
292 exit(EXIT_FAILURE);
293/* NOTREACHED */
294} 611}
295
296/* ------------------------------------------------------------------------- *
297 * PRIVILEGED OPERATIONS *
298 * ------------------------------------------------------------------------- */
299/* take care of suid/sgid super-user (root) privileges */
300/* INTPROTO */
301void
302rxvt_privileges(pR_ int mode)
303{
304#if ! defined(__CYGWIN32__)
305# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
306/* setreuid() is the poor man's setuid(), seteuid() */
307# define seteuid(a) setreuid(-1, (a))
308# define setegid(a) setregid(-1, (a))
309# define HAVE_SETEUID
310# endif
311# ifdef HAVE_SETEUID
312 switch (mode) {
313 case IGNORE:
314 /*
315 * change effective uid/gid - not real uid/gid - so we can switch
316 * back to root later, as required
317 */
318 seteuid(getuid());
319 setegid(getgid());
320 break;
321 case SAVE:
322 R->euid = geteuid();
323 R->egid = getegid();
324 break;
325 case RESTORE:
326 seteuid(R->euid);
327 setegid(R->egid);
328 break;
329 }
330# else
331 switch (mode) {
332 case IGNORE:
333 setuid(getuid());
334 setgid(getgid());
335 /* FALLTHROUGH */
336 case SAVE:
337 /* FALLTHROUGH */
338 case RESTORE:
339 break;
340 }
341# endif
342#endif
343}
344
345#ifdef UTMP_SUPPORT
346/* EXTPROTO */
347void
348rxvt_privileged_utmp(pR_ char action)
349{
350 D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
351 action, R->next_utmp_action, getpid()));
352 if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
353 || (R->Options & Opt_utmpInhibit)
354 || R->ttydev == NULL || *R->ttydev == '\0')
355 return;
356
357 rxvt_privileges(aR_ RESTORE);
358 if (action == SAVE) {
359 R->next_utmp_action = RESTORE;
360 rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
361 } else { /* action == RESTORE */
362 R->next_utmp_action = IGNORE;
363 rxvt_cleanutent(aR);
364 }
365 rxvt_privileges(aR_ IGNORE);
366}
367#endif
368
369#ifndef NO_SETOWNER_TTYDEV
370/* EXTPROTO */
371void
372rxvt_privileged_ttydev(pR_ char action)
373{
374 D_MAIN((stderr,
375 "rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
376 action, R->next_tty_action, getpid()));
377 if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
378 || R->ttydev == NULL || *R->ttydev == '\0')
379 return;
380
381 rxvt_privileges(aR_ RESTORE);
382
383 if (action == SAVE) {
384 R->next_tty_action = RESTORE;
385# ifndef RESET_TTY_TO_COMMON_DEFAULTS
386/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
387 if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
388 R->next_tty_action = IGNORE;
389 else
390# endif
391 {
392 chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
393 chmod(R->ttydev, R->ttymode);
394# ifdef HAVE_REVOKE
395 revoke(R->ttydev);
396# endif
397 }
398 } else { /* action == RESTORE */
399 R->next_tty_action = IGNORE;
400# ifndef RESET_TTY_TO_COMMON_DEFAULTS
401 chmod(R->ttydev, R->ttyfd_stat.st_mode);
402 chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
403# else
404 chmod(R->ttydev,
405 (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
406 chown(R->ttydev, 0, 0);
407# endif
408 }
409
410 rxvt_privileges(aR_ IGNORE);
411
412# ifndef RESET_TTY_TO_COMMON_DEFAULTS
413 D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
414 action == RESTORE ? "Restoring" : (action ==
415 SAVE ? "Saving" :
416 "UNKNOWN ERROR for"), R->ttydev,
417 R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
418 R->ttyfd_stat.st_gid));
419# endif
420}
421#endif
422 612
423/*----------------------------------------------------------------------*/ 613/*----------------------------------------------------------------------*/
424/* 614/*
425 * window size/position calculcations for XSizeHint and other storage. 615 * window size/position calculcations for XSizeHint and other storage.
426 * if width/height are non-zero then override calculated width/height 616 * if width/height are non-zero then override calculated width/height
427 */ 617 */
428/* EXTPROTO */
429void 618void
430rxvt_window_calc(pR_ unsigned int width, unsigned int height) 619rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
431{ 620{
432 short recalc_x, recalc_y; 621 short recalc_x, recalc_y;
433 int x, y, sb_w, mb_h, flags; 622 int x, y, sb_w, flags;
434 unsigned int w, h; 623 unsigned int w, h;
435 unsigned int max_width, max_height; 624 unsigned int max_width, max_height;
436 625
437 D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
438 R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
439 R->szHint.height));
440 R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; 626 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
441 R->szHint.win_gravity = NorthWestGravity; 627 szHint.win_gravity = NorthWestGravity;
442/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */ 628 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
443 629
444 recalc_x = recalc_y = 0; 630 recalc_x = recalc_y = 0;
445 flags = 0; 631 flags = 0;
632
446 if (!R->parsed_geometry) { 633 if (!parsed_geometry)
634 {
447 R->parsed_geometry = 1; 635 parsed_geometry = 1;
636
448 if (R->rs[Rs_geometry]) 637 if (rs[Rs_geometry])
449 flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h); 638 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
639
450 if (flags & WidthValue) { 640 if (flags & WidthValue)
451 R->TermWin.ncol = BOUND_POSITIVE_INT16(w); 641 {
642 ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
452 R->szHint.flags |= USSize; 643 szHint.flags |= USSize;
453 } 644 }
645
454 if (flags & HeightValue) { 646 if (flags & HeightValue)
455 R->TermWin.nrow = BOUND_POSITIVE_INT16(h); 647 {
648 nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
456 R->szHint.flags |= USSize; 649 szHint.flags |= USSize;
457 } 650 }
651
458 if (flags & XValue) { 652 if (flags & XValue)
653 {
459 R->szHint.x = x; 654 szHint.x = x;
460 R->szHint.flags |= USPosition; 655 szHint.flags |= USPosition;
656
461 if (flags & XNegative) { 657 if (flags & XNegative)
658 {
462 recalc_x = 1; 659 recalc_x = 1;
463 R->szHint.win_gravity = NorthEastGravity; 660 szHint.win_gravity = NorthEastGravity;
464 } 661 }
465 } 662 }
663
466 if (flags & YValue) { 664 if (flags & YValue)
665 {
467 R->szHint.y = y; 666 szHint.y = y;
468 R->szHint.flags |= USPosition; 667 szHint.flags |= USPosition;
668
469 if (flags & YNegative) { 669 if (flags & YNegative)
670 {
470 recalc_y = 1; 671 recalc_y = 1;
672
471 if (R->szHint.win_gravity == NorthEastGravity) 673 if (szHint.win_gravity == NorthEastGravity)
472 R->szHint.win_gravity = SouthEastGravity; 674 szHint.win_gravity = SouthEastGravity;
473 else 675 else
474 R->szHint.win_gravity = SouthWestGravity; 676 szHint.win_gravity = SouthWestGravity;
475 } 677 }
476 } 678 }
477 } 679 }
680
478/* TODO: BOUNDS */ 681 /* TODO: BOUNDS */
479 R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth; 682 width = ncol * fwidth;
480 R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight; 683 height = nrow * fheight;
481 max_width = MAX_COLS * R->TermWin.fwidth; 684 max_width = MAX_COLS * fwidth;
482 max_height = MAX_ROWS * R->TermWin.fheight; 685 max_height = MAX_ROWS * fheight;
483 686
484 R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth; 687 szHint.base_width = szHint.base_height = 2 * int_bwidth;
485 688
486 sb_w = mb_h = 0; 689 sb_w = 0;
487 R->window_vt_x = R->window_vt_y = 0; 690 window_vt_x = window_vt_y = int_bwidth;
488 if (scrollbar_visible(R)) { 691
692 if (scrollBar.state)
693 {
489 sb_w = scrollbar_TotalWidth(); 694 sb_w = scrollbar_TotalWidth ();
490 R->szHint.base_width += sb_w; 695 szHint.base_width += sb_w;
696
491 if (!(R->Options & Opt_scrollBar_right)) 697 if (!OPTION (Opt_scrollBar_right))
492 R->window_vt_x = sb_w; 698 window_vt_x += sb_w;
493 } 699 }
494 if (menubar_visible(R)) { 700
495 mb_h = menuBar_TotalHeight();
496 R->szHint.base_height += mb_h;
497 R->window_vt_y = mb_h;
498 }
499 R->szHint.width_inc = R->TermWin.fwidth; 701 szHint.width_inc = fwidth;
500 R->szHint.height_inc = R->TermWin.fheight; 702 szHint.height_inc = fheight;
501 R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc; 703 szHint.min_width = szHint.base_width + szHint.width_inc;
502 R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc; 704 szHint.min_height = szHint.base_height + szHint.height_inc;
503 705
504 if (width && width - R->szHint.base_width < max_width) { 706 if (newwidth && newwidth - szHint.base_width < max_width)
707 {
505 R->szHint.width = width; 708 szHint.width = newwidth;
506 R->TermWin.width = width - R->szHint.base_width; 709 width = newwidth - szHint.base_width;
507 } else { 710 }
508 MIN_IT(R->TermWin.width, max_width); 711 else
712 {
713 min_it (width, max_width);
509 R->szHint.width = R->szHint.base_width + R->TermWin.width; 714 szHint.width = szHint.base_width + width;
510 } 715 }
716
511 if (height && height - R->szHint.base_height < max_height) { 717 if (newheight && newheight - szHint.base_height < max_height)
718 {
512 R->szHint.height = height; 719 szHint.height = newheight;
513 R->TermWin.height = height - R->szHint.base_height; 720 height = newheight - szHint.base_height;
514 } else { 721 }
515 MIN_IT(R->TermWin.height, max_height); 722 else
723 {
724 min_it (height, max_height);
516 R->szHint.height = R->szHint.base_height + R->TermWin.height; 725 szHint.height = szHint.base_height + height;
517 } 726 }
518 if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right)) 727
728 if (scrollBar.state && OPTION (Opt_scrollBar_right))
519 R->window_sb_x = R->szHint.width - sb_w; 729 window_sb_x = szHint.width - sb_w;
520 730
521 if (recalc_x) 731 if (recalc_x)
522 R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen) 732 szHint.x += DisplayWidth (xdisp, display->screen) - szHint.width - 2 * ext_bwidth;
523 - R->szHint.width - 2 * R->TermWin.ext_bwidth); 733
524 if (recalc_y) 734 if (recalc_y)
525 R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen) 735 szHint.y += DisplayHeight (xdisp, display->screen) - szHint.height - 2 * ext_bwidth;
526 - R->szHint.height - 2 * R->TermWin.ext_bwidth);
527 736
528 R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth; 737 ncol = width / fwidth;
529 R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight; 738 nrow = height / fheight;
530 D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
531 R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
532 R->szHint.height));
533 return;
534} 739}
535 740
536/*----------------------------------------------------------------------*/ 741/*----------------------------------------------------------------------*/
537/* 742/*
538 * Tell the teletype handler what size the window is. 743 * Tell the teletype handler what size the window is.
539 * Called after a window size change. 744 * Called after a window size change.
540 */ 745 */
541/* EXTPROTO */
542void 746void
543rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid) 747rxvt_term::tt_winch ()
544{ 748{
749 if (pty->pty < 0)
750 return;
751
545 struct winsize ws; 752 struct winsize ws;
546 753
547 if (fd < 0)
548 return;
549 ws.ws_col = col; 754 ws.ws_col = ncol;
550 ws.ws_row = row; 755 ws.ws_row = nrow;
551 ws.ws_xpixel = ws.ws_ypixel = 0; 756 ws.ws_xpixel = width;
552#ifndef DEBUG_SIZE 757 ws.ws_ypixel = height;
553 (void)ioctl(fd, TIOCSWINSZ, &ws); 758 (void)ioctl (pty->pty, TIOCSWINSZ, &ws);
554#else 759
555 if (ioctl(fd, TIOCSWINSZ, &ws) < 0) { 760#if 0
556 D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd)); 761 // TIOCSWINSZ⎈ is supposed to do this automatically and correctly
557 }
558# ifdef SIGWINCH
559 else if (pid) /* force through to the command */ 762 if (cmd_pid) /* force through to the command */
560 kill(pid, SIGWINCH); 763 kill (-cmd_pid, SIGWINCH);
561# endif
562#endif 764#endif
563} 765}
564 766
565/*----------------------------------------------------------------------*/ 767/*----------------------------------------------------------------------*/
566/* rxvt_change_font() - Switch to a new font */ 768/* set_fonts () - load and set the various fonts
567/* 769 *
568 * init = 1 - initialize 770 * init = 1 - initialize
569 * 771 *
570 * fontname == FONT_UP - switch to bigger font 772 * fontname == FONT_UP - switch to bigger font
571 * fontname == FONT_DN - switch to smaller font 773 * fontname == FONT_DN - switch to smaller font
572 */ 774 */
573/* EXTPROTO */ 775bool
574void 776rxvt_term::set_fonts ()
575rxvt_change_font(pR_ int init, const char *fontname)
576{ 777{
577} 778 rxvt_fontset *fs = new rxvt_fontset (this);
779 rxvt_fontprop prop;
578 780
579/* INTPROTO */ 781 if (!fs
580void 782 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
581rxvt_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)
582{ 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);
583} 864}
584 865
585/*----------------------------------------------------------------------*/ 866/*----------------------------------------------------------------------*/
586/*----------------------------------------------------------------------*/ 867/*----------------------------------------------------------------------*/
587/* xterm sequences - title, iconName, color (exptl) */ 868/* xterm sequences - title, iconName, color (exptl) */
588/* EXTPROTO */
589void 869void
590rxvt_set_title(pR_ const char *str) 870rxvt_term::set_title (const char *str)
591{ 871{
592#ifndef SMART_WINDOW_TITLE 872 set_string_property (XA_WM_NAME, str);
593 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
594#else 948#else
595 char *name;
596
597 if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
598 name = NULL;
599 if (name == NULL || STRCMP(name, str))
600 XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
601 if (name)
602 XFree(name);
603#endif
604}
605
606/* EXTPROTO */
607void
608rxvt_set_iconName(pR_ const char *str)
609{
610#ifndef SMART_WINDOW_TITLE
611 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
612#else
613 char *name;
614
615 if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
616 name = NULL;
617 if (name == NULL || STRCMP(name, str))
618 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
619 if (name)
620 XFree(name);
621#endif
622}
623
624#ifdef XTERM_COLOR_CHANGE
625/* EXTPROTO */
626void
627rxvt_set_window_color(pR_ int idx, const char *color)
628{
629 rxvt_color xcol;
630 int i;
631
632 if (color == NULL || *color == '\0')
633 return;
634
635/* handle color aliases */
636 if (isdigit(*color)) {
637 i = atoi(color);
638 if (i >= 8 && i <= 15) { /* bright colors */
639 i -= 8;
640# ifndef NO_BRIGHTCOLOR
641 R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
642 SET_PIXCOLOR(R, idx);
643 goto Done;
644# endif
645 }
646 if (i >= 0 && i <= 7) { /* normal colors */
647 R->PixColors[idx] = R->PixColors[minCOLOR + i];
648 SET_PIXCOLOR(R, idx);
649 goto Done;
650 }
651 }
652 if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
653 return;
654/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
655
656/*
657 * FIXME: should free colors here, but no idea how to do it so instead,
658 * so just keep gobbling up the colormap
659 */
660# if 0
661 for (i = Color_Black; i <= Color_White; i++)
662 if (R->PixColors[idx] == R->PixColors[i])
663 break;
664 if (i > Color_White) {
665 /* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
666 XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
667 DisplayPlanes(R->Xdisplay, Xscreen));
668 }
669# endif
670
671 R->PixColors[idx] = xcol;
672 SET_PIXCOLOR(R, idx);
673
674/* XSetWindowAttributes attr; */
675/* Cursor cursor; */
676 Done:
677 if (idx == Color_bg && !(R->Options & Opt_transparent))
678 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
679 R->PixColors[Color_bg]);
680
681/* handle Color_BD, scrollbar background, etc. */
682
683 rxvt_set_colorfgbg(aR);
684 rxvt_recolour_cursor(aR);
685/* the only reasonable way to enforce a clean update */
686 rxvt_scr_poweron(aR);
687}
688
689#else
690# define rxvt_set_window_color(aR_ idx,color) ((void)0) 949# define set_window_color (idx,color) ((void)0)
691#endif /* XTERM_COLOR_CHANGE */ 950#endif /* XTERM_COLOR_CHANGE */
692 951
693/* EXTPROTO */
694void 952void
695rxvt_recolour_cursor(pR) 953rxvt_term::recolour_cursor ()
696{ 954{
697 rxvt_color xcol[2]; 955 XColor xcol[2];
698 956
699#if TODO 957 xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
700 xcol[0] = R->PixColors[Color_pointer]; 958 ? pix_colors_focused[Color_pointer_fg]
701 xcol[1] = R->PixColors[Color_bg]; 959 : pix_colors_focused[Color_fg];
702 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);
703 XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1])); 965 XRecolorCursor (xdisp, TermWin_cursor, xcol + 0, xcol + 1);
704#endif
705} 966}
706 967
707/*----------------------------------------------------------------------*/ 968/*----------------------------------------------------------------------*/
708/* 969/*
709 * 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
710 */ 971 */
711/* INTPROTO */
712void 972void
713rxvt_set_colorfgbg(pR) 973rxvt_term::set_colorfgbg ()
714{ 974{
715 unsigned int i; 975 unsigned int i;
716 const char *xpmb = "\0"; 976 const char *xpmb = "\0";
717 char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1]; 977 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
718 978
719 R->env_colorfgbg = 979 strcpy (fstr, "default");
720 (char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1); 980 strcpy (bstr, "default");
721 STRCPY(fstr, "default");
722 STRCPY(bstr, "default");
723 for (i = Color_Black; i <= Color_White; i++) 981 for (i = Color_Black; i <= Color_White; i++)
724 if (R->PixColors[Color_fg] == R->PixColors[i]) { 982 if (pix_colors[Color_fg] == pix_colors[i])
983 {
725 sprintf(fstr, "%d", (i - Color_Black)); 984 sprintf (fstr, "%d", (i - Color_Black));
726 break; 985 break;
727 } 986 }
987
728 for (i = Color_Black; i <= Color_White; i++) 988 for (i = Color_Black; i <= Color_White; i++)
729 if (R->PixColors[Color_bg] == R->PixColors[i]) { 989 if (pix_colors[Color_bg] == pix_colors[i])
990 {
730 sprintf(bstr, "%d", (i - Color_Black)); 991 sprintf (bstr, "%d", (i - Color_Black));
731#ifdef XPM_BACKGROUND 992#ifdef XPM_BACKGROUND
732 xpmb = "default;"; 993 xpmb = "default;";
733#endif 994#endif
734 break; 995 break;
735 } 996 }
997
736 sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); 998 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
737 putenv(R->env_colorfgbg);
738
739#ifndef NO_BRIGHTCOLOR
740 R->colorfgbg = DEFAULT_RSTYLE;
741 for (i = minCOLOR; i <= maxCOLOR; i++) {
742 if (R->PixColors[Color_fg] == R->PixColors[i])
743 R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
744 if (R->PixColors[Color_bg] == R->PixColors[i])
745 R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
746 }
747#endif
748} 999}
749 1000
750/*----------------------------------------------------------------------*/ 1001/*----------------------------------------------------------------------*/
751/*
752 * Colour determination for low colour displays, routine from
753 * Hans de Goede <hans@highrise.nl>
754 */
755 1002
756/* EXTPROTO */ 1003bool
757int 1004rxvt_term::set_color (rxvt_color &color, const char *name)
758rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
759{ 1005{
760 screen_in_out->set(aR_ colour); 1006 if (color.set (this, name))
761
762 if (!screen_in_out->set(aR_ colour)) {
763 rxvt_print_error("can't allocate colour: %s", colour);
764 return false;
765 }
766
767 return true; 1007 return true;
1008
1009 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
1010 return false;
768} 1011}
769 1012
770/* -------------------------------------------------------------------- * 1013/* -------------------------------------------------------------------- *
771 * - WINDOW RESIZING - * 1014 * - WINDOW RESIZING - *
772 * -------------------------------------------------------------------- */ 1015 * -------------------------------------------------------------------- */
773/* EXTPROTO */
774void 1016void
775rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height, 1017rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
776 int ignoreparent)
777{ 1018{
778 int fix_screen; 1019 int fix_screen;
1020 int old_width = szHint.width;
1021 int old_height = szHint.height;
779 1022
1023 window_calc (newwidth, newheight);
1024 XSetWMNormalHints (xdisp, parent[0], &szHint);
1025
1026 if (!ignoreparent)
1027 {
780#ifdef SMART_RESIZE 1028#ifdef SMART_RESIZE
781 int old_width = R->szHint.width, old_height = R->szHint.height; 1029 /*
782#endif
783
784 rxvt_window_calc(aR_ width, height);
785 XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
786 if (!ignoreparent) {
787#ifdef SMART_RESIZE
788/*
789 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> 1030 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
790 * reposition window on resize depending on placement on screen 1031 * reposition window on resize depending on placement on screen
791 */ 1032 */
792 int x, y, x1, y1; 1033 int x, y, x1, y1;
793 int dx, dy; 1034 int dx, dy;
794 unsigned int unused_w1, unused_h1, unused_b1, unused_d1; 1035 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
795 Window unused_cr; 1036 Window unused_cr;
796 1037
797 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot, 1038 XTranslateCoordinates (xdisp, parent[0], display->root,
798 0, 0, &x, &y, &unused_cr); 1039 0, 0, &x, &y, &unused_cr);
799 XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1, 1040 XGetGeometry (xdisp, parent[0], &unused_cr, &x1, &y1,
800 &unused_w1, &unused_h1, &unused_b1, &unused_d1); 1041 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
801 /* 1042 /*
802 * 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
803 * our position for handles and decorations. Counter it 1044 * our position for handles and decorations. Counter it
804 */ 1045 */
805 if (x1 != x || y1 != y) { 1046 if (x1 != x || y1 != y)
1047 {
806 x -= x1; 1048 x -= x1;
807 y -= y1; 1049 y -= y1;
808 } 1050 }
809 1051
810 x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2; 1052 x1 = (DisplayWidth (xdisp, display->screen) - old_width ) / 2;
811 y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2; 1053 y1 = (DisplayHeight (xdisp, display->screen) - old_height) / 2;
812 dx = old_width - R->szHint.width; 1054 dx = old_width - szHint.width;
813 dy = old_height - R->szHint.height; 1055 dy = old_height - szHint.height;
814 1056
815 /* Check position of the center of the window */ 1057 /* Check position of the center of the window */
816 if (x < x1) /* left half */ 1058 if (x < x1) /* left half */
817 dx = 0; 1059 dx = 0;
818 else if (x == x1) /* exact center */ 1060 else if (x == x1) /* exact center */
819 dx /= 2; 1061 dx /= 2;
820 if (y < y1) /* top half */ 1062 if (y < y1) /* top half */
821 dy = 0; 1063 dy = 0;
822 else if (y == y1) /* exact center */ 1064 else if (y == y1) /* exact center */
823 dy /= 2; 1065 dy /= 2;
824 1066
825 XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy, 1067 XMoveResizeWindow (xdisp, parent[0], x + dx, y + dy,
826 R->szHint.width, R->szHint.height); 1068 szHint.width, szHint.height);
827#else 1069#else
828 XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width, 1070 XResizeWindow (xdisp, parent[0], szHint.width, szHint.height);
829 R->szHint.height);
830#endif 1071#endif
831 } 1072 }
832 1073
833 fix_screen = (R->TermWin.ncol != R->prev_ncol 1074 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
834 || R->TermWin.nrow != R->prev_nrow); 1075
835 if (fix_screen || width != R->old_width || height != R->old_height) { 1076 if (fix_screen || newwidth != old_width || newheight != old_height)
836 if (scrollbar_visible(R)) { 1077 {
1078 if (scrollBar.state)
1079 {
837 XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x, 1080 XMoveResizeWindow (xdisp, scrollBar.win,
1081 window_sb_x, 0,
838 0, scrollbar_TotalWidth(), R->szHint.height); 1082 scrollbar_TotalWidth (), szHint.height);
839 rxvt_Resize_scrollBar(aR); 1083 resize_scrollbar ();
840 } 1084 }
841 if (menubar_visible(R)) 1085
842 XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x, 1086 XMoveResizeWindow (xdisp, vt,
843 0, TermWin_TotalWidth(), menuBar_TotalHeight()); 1087 window_vt_x, window_vt_y,
844 XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
845 R->window_vt_y, TermWin_TotalWidth(),
846 TermWin_TotalHeight()); 1088 width, height);
847#ifdef RXVT_GRAPHICS 1089
848 if (R->old_height)
849 rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
850 R->old_height - R->szHint.base_height);
851#endif
852 rxvt_scr_clear(aR); 1090 scr_clear ();
853#ifdef XPM_BACKGROUND 1091#ifdef XPM_BACKGROUND
854 rxvt_resize_pixmap(aR); 1092 resize_pixmap ();
855#endif 1093#endif
856 } 1094 }
857 1095
858 if (fix_screen || R->old_height == 0) { 1096 if (fix_screen || old_height == 0)
859 int curr_screen = -1; 1097 scr_reset ();
860 uint16_t old_ncol = R->prev_ncol;
861 1098
862 /* scr_reset only works on the primary screen */ 1099#ifdef XPM_BACKGROUND
863 if (R->old_height) /* this is not the first time through */ 1100 if (pixmap)
864 curr_screen = rxvt_scr_change_screen(aR_ PRIMARY); 1101 scr_touch (false);
865 rxvt_scr_reset(aR); 1102#endif
866 if (curr_screen >= 0) { /* this is not the first time through */
867 rxvt_scr_change_screen(aR_ curr_screen);
868 rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
869 }
870 }
871
872 R->old_width = R->szHint.width;
873 R->old_height = R->szHint.height;
874 1103
875#ifdef USE_XIM 1104#ifdef USE_XIM
876 rxvt_IMSetStatusPosition(aR); 1105 IMSetStatusPosition ();
877#endif 1106#endif
878} 1107}
879 1108
880/* 1109/*
881 * 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.
882 * good for toggling 80/132 columns 1111 * good for toggling 80/132 columns
883 */ 1112 */
884/* EXTPROTO */
885void 1113void
886rxvt_set_widthheight(pR_ unsigned int width, unsigned int height) 1114rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
887{ 1115{
888 XWindowAttributes wattr; 1116 XWindowAttributes wattr;
889 1117
890 if (width == 0 || height == 0) { 1118 if (newwidth == 0 || newheight == 0)
1119 {
891 XGetWindowAttributes(R->Xdisplay, Xroot, &wattr); 1120 XGetWindowAttributes (xdisp, display->root, &wattr);
1121
892 if (width == 0) 1122 if (newwidth == 0)
893 width = wattr.width - R->szHint.base_width; 1123 newwidth = wattr.width - szHint.base_width;
894 if (height == 0) 1124 if (newheight == 0)
895 height = wattr.height - R->szHint.base_height; 1125 newheight = wattr.height - szHint.base_height;
1126 }
1127
1128 if (newwidth != width || newheight != height)
896 } 1129 {
897 if (width != R->TermWin.width || height != R->TermWin.height) {
898 width += R->szHint.base_width; 1130 newwidth += szHint.base_width;
899 height += R->szHint.base_height; 1131 newheight += szHint.base_height;
900 rxvt_resize_all_windows(aR_ width, height, 0); 1132 resize_all_windows (newwidth, newheight, 0);
901 } 1133 }
902} 1134}
903 1135
904/* -------------------------------------------------------------------- * 1136/* -------------------------------------------------------------------- *
905 * - X INPUT METHOD ROUTINES - * 1137 * - X INPUT METHOD ROUTINES - *
906 * -------------------------------------------------------------------- */ 1138 * -------------------------------------------------------------------- */
907#ifdef USE_XIM 1139#ifdef USE_XIM
908/* INTPROTO */
909void
910rxvt_setSize(pR_ XRectangle * size)
911{
912 size->x = R->TermWin.int_bwidth;
913 size->y = R->TermWin.int_bwidth;
914 size->width = Width2Pixel(R->TermWin.ncol);
915 size->height = Height2Pixel(R->TermWin.nrow);
916}
917 1140
918/* INTPROTO */
919void 1141void
920rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg) 1142rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
921{ 1143{
922 *fg = R->PixColors[Color_fg]; 1144 fg = pix_colors[Color_fg];
923 *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;
924} 1172}
925 1173
926/* Checking whether input method is running. */ 1174/* Checking whether input method is running. */
927/* INTPROTO */
928Bool 1175bool
929rxvt_IMisRunning(pR) 1176rxvt_term::IMisRunning ()
930{ 1177{
931 char *p; 1178 char *p;
932 Atom atom; 1179 Atom atom;
933 Window win; 1180 Window win;
934 char server[IMBUFSIZ]; 1181 char server[IMBUFSIZ];
935 1182
936/* get current locale modifier */ 1183 /* get current locale modifier */
937 if ((p = XSetLocaleModifiers(NULL)) != NULL) { 1184 if ((p = XSetLocaleModifiers (NULL)) != NULL)
1185 {
938 STRCPY(server, "@server="); 1186 strcpy (server, "@server=");
939 STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */ 1187 strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1188
940 if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */ 1189 if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
941 *p = '\0'; 1190 *p = '\0';
942 1191
943 atom = XInternAtom(R->Xdisplay, server, False); 1192 atom = XInternAtom (xdisp, server, False);
944 win = XGetSelectionOwner(R->Xdisplay, atom); 1193 win = XGetSelectionOwner (xdisp, atom);
1194
945 if (win != None) 1195 if (win != None)
946 return True; 1196 return True;
947 } 1197 }
1198
948 return False; 1199 return False;
949} 1200}
950 1201
951/* EXTPROTO */
952void 1202void
953rxvt_IMSendSpot(pR) 1203rxvt_term::IMSendSpot ()
954{ 1204{
955 XPoint spot; 1205 XPoint nspot;
956 XVaNestedList preedit_attr; 1206 XVaNestedList preedit_attr;
957 1207
958 if (R->Input_Context == NULL 1208 if (!Input_Context
959 || !R->TermWin.focus || !(R->input_style & XIMPreeditPosition) 1209 || !focus
960 || !(R->event_type == KeyPress 1210 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
961 || R->event_type == Expose
962 || R->event_type == NoExpose
963 || R->event_type == SelectionNotify
964 || R->event_type == ButtonRelease || R->event_type == FocusIn)
965 || !rxvt_IMisRunning(aR))
966 return; 1211 return;
967 1212
968 rxvt_setPosition(aR_ & spot); 1213 im_set_position (nspot);
969 1214
1215 if (nspot.x == spot.x && nspot.y == spot.y)
1216 return;
1217
1218 spot = nspot;
1219
970 preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL); 1220 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
971 XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL); 1221 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
972 XFree(preedit_attr); 1222 XFree (preedit_attr);
973} 1223}
974 1224
975/* EXTPROTO */
976void 1225void
977rxvt_setTermFontSet(pR_ int idx) 1226rxvt_term::im_destroy ()
978{ 1227{
979 char *string; 1228 if (input_method)
980 long length; 1229 {
981 int success = 0; 1230 if (Input_Context && input_method->xim)
1231 XDestroyIC (Input_Context);
982 1232
983 if (idx < 0 || idx >= MAX_NFONTS) 1233 display->put_xim (input_method);
984 return; 1234 input_method = 0;
985} 1235 }
986 1236
987/* INTPROTO */
988void
989rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
990 XRectangle * needed_rect)
991{
992 int mbh, vtx = 0;
993
994 if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
995 vtx = scrollbar_TotalWidth();
996 mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
997 mbh -= R->TermWin.lineSpace;
998
999 preedit_rect->x = needed_rect->width + vtx;
1000 preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1001
1002 preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1003 + vtx;
1004 preedit_rect->height = Height2Pixel(1);
1005
1006 status_rect->x = vtx;
1007 status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1008
1009 status_rect->width = needed_rect->width ? needed_rect->width
1010 : Width2Pixel(R->TermWin.ncol + 1);
1011 status_rect->height = Height2Pixel(1);
1012}
1013
1014/* ARGSUSED */
1015/* INTPROTO */
1016void
1017rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1018 __attribute__ ((unused)), XPointer call_data
1019 __attribute__ ((unused)))
1020{
1021 dR;
1022
1023 R->Input_Context = NULL; 1237 Input_Context = 0;
1024/* To avoid Segmentation Fault in C locale: Solaris only? */
1025 if (STRCMP(R->locale, "C"))
1026 XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1027 rxvt_IMInstantiateCallback, NULL);
1028} 1238}
1029 1239
1030/* 1240#ifdef ENABLE_XIM_ONTHESPOT
1031 * X manual pages and include files don't match on some systems:
1032 * some think this is an XIDProc and others an XIMProc so we can't
1033 * use the first argument - need to update this to be nice for
1034 * both types via some sort of configure detection
1035 */
1036/* ARGSUSED */
1037/* EXTPROTO */
1038void
1039rxvt_IMInstantiateCallback(Display * unused
1040 __attribute__ ((unused)), XPointer client_data
1041 __attribute__ ((unused)), XPointer call_data
1042 __attribute__ ((unused)))
1043{
1044 dR;
1045 int i, found, had_im;
1046 const char *p;
1047 char **s;
1048 char buf[IMBUFSIZ];
1049 1241
1050 D_MAIN((stderr, "rxvt_IMInstantiateCallback()")); 1242static void
1051 if (R->Input_Context) 1243xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1052 return; 1244{
1245 ((rxvt_term *)client_data)->make_current ();
1246 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1247}
1053 1248
1054 found = had_im = 0; 1249static void
1055 p = R->rs[Rs_inputMethod]; 1250xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1056 if (p && *p) { 1251{
1057 had_im = 1; 1252 ((rxvt_term *)client_data)->make_current ();
1058 s = rxvt_splitcommastring(p); 1253 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1059 for (i = 0; s[i]; i++) { 1254}
1060 if (*s[i]) { 1255
1061 STRCPY(buf, "@im="); 1256static void
1062 STRNCAT(buf, s[i], IMBUFSIZ - 5); 1257xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1063 if ((p = XSetLocaleModifiers(buf)) != NULL && *p 1258{
1064 && (rxvt_IM_get_IC(aR) == True)) { 1259 rxvt_term *term = (rxvt_term *)client_data;
1065 found = 1; 1260 XIMText *text = call_data->text;
1066 break; 1261
1067 } 1262 term->make_current ();
1068 } 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);
1069 } 1279 }
1070 for (i = 0; s[i]; i++) 1280 else
1071 free(s[i]); 1281 str = (void *)text->string.wide_char;
1072 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));
1073 } 1290 }
1074 if (found) 1291 else
1075 return; 1292 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1076 1293 DT_INT, call_data->caret,
1077/* try with XMODIFIERS env. var. */ 1294 DT_INT, call_data->chg_first,
1078 if ((p = XSetLocaleModifiers("")) != NULL && *p) { 1295 DT_INT, call_data->chg_length,
1079 rxvt_IM_get_IC(aR); 1296 DT_END));
1080 return;
1081 }
1082
1083/* try with no modifiers base IF the user didn't specify an IM */
1084 if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p
1085 && rxvt_IM_get_IC(aR) == True)
1086 return;
1087} 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
1088 1313
1089/* 1314/*
1090 * 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
1091 * open a suitable preedit type 1316 * open a suitable preedit type
1092 */ 1317 */
1093/* INTPROTO */
1094Bool 1318bool
1095rxvt_IM_get_IC(pR) 1319rxvt_term::IM_get_IC (const char *modifiers)
1096{ 1320{
1097 int i, j, found; 1321 int i, j, found;
1098 XIM xim; 1322 XIM xim;
1099 XPoint spot; 1323 XPoint spot;
1100 XRectangle rect, status_rect, needed_rect; 1324 XRectangle rect, status_rect, needed_rect;
1101 unsigned long fg, bg; 1325 unsigned long fg, bg;
1102 const char *p; 1326 const char *p;
1103 char **s; 1327 char **s;
1104 XIMStyles *xim_styles; 1328 XIMStyles *xim_styles;
1105 XVaNestedList preedit_attr, status_attr; 1329#ifdef ENABLE_XIM_ONTHESPOT
1106 XIMCallback ximcallback; 1330 XIMCallback xcb[4];
1331#endif
1107 1332
1108 D_MAIN((stderr, "rxvt_IM_get_IC()")); 1333 set_environ (envv);
1109 xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL); 1334
1110 if (xim == NULL) 1335 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1111 return False; 1336 return false;
1112 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
1113 xim_styles = NULL; 1345 xim_styles = NULL;
1114 if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL) 1346 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1115 || !xim_styles || !xim_styles->count_styles) { 1347 || !xim_styles || !xim_styles->count_styles)
1116 XCloseIM(xim); 1348 {
1349 im_destroy ();
1117 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++)
1118 } 1356 {
1357 p = pet[pi];
1119 1358
1120 p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType] 1359 if (!p)
1121 : "OverTheSpot,OffTheSpot,Root"; 1360 continue;
1361
1122 s = rxvt_splitcommastring(p); 1362 s = rxvt_splitcommastring (p);
1363
1123 for (i = found = 0; !found && s[i]; i++) { 1364 for (i = found = 0; !found && s[i]; i++)
1365 {
1124 if (!STRCMP(s[i], "OverTheSpot")) 1366 if (!strcmp (s[i], "OverTheSpot"))
1125 R->input_style = (XIMPreeditPosition | XIMStatusNothing); 1367 input_style = XIMPreeditPosition | XIMStatusNothing;
1126 else if (!STRCMP(s[i], "OffTheSpot")) 1368 else if (!strcmp (s[i], "OffTheSpot"))
1127 R->input_style = (XIMPreeditArea | XIMStatusArea); 1369 input_style = XIMPreeditArea | XIMStatusArea;
1128 else if (!STRCMP(s[i], "Root")) 1370 else if (!strcmp (s[i], "Root"))
1129 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;
1130 1380
1131 for (j = 0; j < xim_styles->count_styles; j++) 1381 for (j = 0; j < xim_styles->count_styles; j++)
1132 if (R->input_style == xim_styles->supported_styles[j]) { 1382 if (input_style == xim_styles->supported_styles[j])
1383 {
1384 rxvt_freecommastring (s);
1385
1133 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;
1134 break; 1570 break;
1571 }
1135 } 1572 }
1136 } 1573 }
1137 for (i = 0; s[i]; i++)
1138 free(s[i]);
1139 free(s);
1140 XFree(xim_styles);
1141 1574
1575 rxvt_freecommastring (s);
1576
1142 if (!found) { 1577 if (found)
1143 XCloseIM(xim); 1578 goto done;
1144 return False;
1145 } 1579 }
1146 1580
1147 ximcallback.callback = rxvt_IMDestroyCallback; 1581 /* try with XMODIFIERS env. var. */
1582 if (IM_get_IC (""))
1583 goto done;
1148 1584
1149/* 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 */
1150 XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL); 1586 if (IM_get_IC ("@im=none"))
1587 goto done;
1151 1588
1152 preedit_attr = status_attr = NULL; 1589done:
1153 1590#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1154 if (R->input_style & XIMPreeditPosition) { 1591 if (rs[Rs_imLocale])
1155 rxvt_setSize(aR_ & rect); 1592 SET_LOCALE (locale);
1156 rxvt_setPosition(aR_ & spot); 1593#endif
1157 rxvt_setColor(aR_ & fg, &bg);
1158
1159 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1160 XNSpotLocation, &spot,
1161 XNForeground, fg, XNBackground, bg,
1162 //XNFontSet, R->TermWin.fontset,
1163 NULL);
1164 } else if (R->input_style & XIMPreeditArea) {
1165 rxvt_setColor(aR_ & fg, &bg);
1166
1167 /*
1168 * The necessary width of preedit area is unknown
1169 * until create input context.
1170 */
1171 needed_rect.width = 0;
1172
1173 rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1174
1175 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1176 XNForeground, fg, XNBackground, bg,
1177 //XNFontSet, R->TermWin.fontset,
1178 NULL);
1179 status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1180 XNForeground, fg, XNBackground, bg,
1181 //XNFontSet, R->TermWin.fontset,
1182 NULL);
1183 }
1184 R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1185 XNClientWindow, R->TermWin.parent[0],
1186 XNFocusWindow, R->TermWin.parent[0],
1187 XNDestroyCallback, &ximcallback,
1188 preedit_attr ? XNPreeditAttributes : NULL,
1189 preedit_attr,
1190 status_attr ? XNStatusAttributes : NULL,
1191 status_attr, NULL);
1192 if (preedit_attr)
1193 XFree(preedit_attr);
1194 if (status_attr)
1195 XFree(status_attr);
1196 if (R->Input_Context == NULL) {
1197 rxvt_print_error("failed to create input context");
1198 XCloseIM(xim);
1199 return False;
1200 }
1201 if (R->input_style & XIMPreeditArea)
1202 rxvt_IMSetStatusPosition(aR);
1203 D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1204 return True;
1205} 1594}
1206 1595
1207/* EXTPROTO */
1208void 1596void
1209rxvt_IMSetStatusPosition(pR) 1597rxvt_term::IMSetStatusPosition ()
1210{ 1598{
1211 XRectangle preedit_rect, status_rect, *needed_rect; 1599 XRectangle preedit_rect, status_rect, *needed_rect;
1212 XVaNestedList preedit_attr, status_attr; 1600 XVaNestedList preedit_attr, status_attr;
1213 1601
1214 if (R->Input_Context == NULL 1602 if (!Input_Context
1603 || !focus
1215 || !R->TermWin.focus || !(R->input_style & XIMPreeditArea) 1604 || !(input_style & XIMPreeditArea)
1216 || !rxvt_IMisRunning(aR)) 1605 || !IMisRunning ())
1217 return; 1606 return;
1218 1607
1219/* Getting the necessary width of preedit area */ 1608 /* Getting the necessary width of preedit area */
1220 status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL); 1609 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1221 XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL); 1610 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1222 XFree(status_attr); 1611 XFree (status_attr);
1223 1612
1224 rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect); 1613 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1614 XFree (needed_rect);
1225 1615
1226 preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL); 1616 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1227 status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL); 1617 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1228 1618
1229 XSetICValues(R->Input_Context, 1619 XSetICValues (Input_Context,
1230 XNPreeditAttributes, preedit_attr, 1620 XNPreeditAttributes, preedit_attr,
1231 XNStatusAttributes, status_attr, NULL); 1621 XNStatusAttributes, status_attr, NULL);
1232 1622
1233 XFree(preedit_attr); 1623 XFree (preedit_attr);
1234 XFree(status_attr); 1624 XFree (status_attr);
1235} 1625}
1236#endif /* USE_XIM */ 1626#endif /* USE_XIM */
1237 1627
1238/*----------------------------------------------------------------------*/
1239rxvt_t rxvt_current_term;
1240
1241/*----------------------- end-of-file (C source) -----------------------*/ 1628/*----------------------- end-of-file (C source) -----------------------*/

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