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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.1 by pcg, Mon Nov 24 17:28:08 2003 UTC vs.
Revision 1.207 by root, Wed Jan 25 21:09:21 2006 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*--------------------------------*-C-*---------------------------------*
2 * File: main.c 2 * File: main.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: main.C,v 1.1 2003/11/24 17:28:08 pcg Exp $
5 * 4 *
6 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
7 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk> 6 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8 * - original version 7 * - original version
9 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com> 8 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
10 * - extensive modifications 9 * - extensive modifications
11 * Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com> 10 * Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com>
12 * Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA> 11 * Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13 * - extensive modifications 12 * - extensive modifications
14 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> 13 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> 14 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16 * - extensive modifications 15 * - extensive modifications
16 * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
17 * 17 *
18 * This program is free software; you can redistribute it and/or modify 18 * This program is free software; you can redistribute it and/or modify
19 * it under the terms of the GNU General Public License as published by 19 * it under the terms of the GNU General Public License as published by
20 * the Free Software Foundation; either version 2 of the License, or 20 * the Free Software Foundation; either version 2 of the License, or
21 * (at your option) any later version. 21 * (at your option) any later version.
28 * You should have received a copy of the GNU General Public License 28 * You should have received a copy of the GNU General Public License
29 * along with this program; if not, write to the Free Software 29 * along with this program; if not, write to the Free Software
30 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 30 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31 *---------------------------------------------------------------------*/ 31 *---------------------------------------------------------------------*/
32 32
33#include "../config.h" /* NECESSARY */ 33#include "../config.h" /* NECESSARY */
34#include "rxvt.h" /* NECESSARY */ 34#include "rxvt.h" /* NECESSARY */
35#include "main.intpro" /* PROTOS for internal routines */ 35#include "keyboard.h"
36#include "rxvtperl.h"
36 37
38#include <limits>
39
37#include <signal.h> 40#include <csignal>
41#include <cstring>
38 42
39#ifdef TTY_GID_SUPPORT 43#ifdef TTY_GID_SUPPORT
40# include <grp.h> 44# include <grp.h>
41#endif 45#endif
42 46
43#ifdef HAVE_TERMIOS_H 47#ifdef HAVE_TERMIOS_H
44# include <termios.h> 48# include <termios.h>
45#endif 49#endif
46 50
47/*----------------------------------------------------------------------*/ 51vector<rxvt_term *> rxvt_term::termlist;
48/* rxvt_init() */
49/* LIBPROTO */
50rxvt_t *
51rxvt_init(int argc, const char *const *argv)
52{
53 const char **cmd_argv;
54 52
55 SET_R ((rxvt_t *)rxvt_calloc(1, sizeof(rxvt_t))); 53// used to tell global functions which terminal instance is "active"
54rxvt_t rxvt_current_term;
56 55
57 dR; 56static char curlocale[128], savelocale[128];
58 if (rxvt_init_vars(aR) < 0) { 57
59 free(R); 58bool
60 return NULL; 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)
61 } 93 {
94 if (cc->c2 == c2) return c1;
95 cc = (*this)[cc->c1];
96 }
62 97
63/* 98 // check to see wether this combination already exists otherwise
64 * Save and then give up any super-user privileges 99 for (cc = v.end (); cc-- > v.begin (); )
65 * If we need privileges in any area then we must specifically request it. 100 {
66 * We should only need to be root in these cases: 101 if (cc->c1 == c1 && cc->c2 == c2)
67 * 1. write utmp entries on some systems 102 return COMPOSE_LO + (cc - v.begin ());
68 * 2. chown tty on some systems 103 }
69 */
70 rxvt_privileges(aR_ SAVE);
71 rxvt_privileges(aR_ IGNORE);
72 104
73 rxvt_init_secondary(aR); 105 // allocate a new combination
106 if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
107 {
108 static int seen;
74 109
75 cmd_argv = rxvt_init_resources(aR_ argc, argv); 110 if (!seen++)
111 fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
76 112
77#if (MENUBAR_MAX) 113 return REPLACEMENT_CHAR;
78 rxvt_menubar_read(aR_ R->h->rs[Rs_menu]); 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
146rxvt_term::rxvt_term ()
147 :
148#if TRANSPARENT
149 rootwin_ev (this, &rxvt_term::rootwin_cb),
79#endif 150#endif
80#ifdef HAVE_SCROLLBARS 151#ifdef HAVE_SCROLLBARS
81 if (R->Options & Opt_scrollBar) 152 scrollbar_ev (this, &rxvt_term::x_cb),
82 scrollbar_setIdle(); /* set existence for size calculations */
83#endif 153#endif
84 154#ifdef CURSOR_BLINK
85 rxvt_Create_Windows(aR_ argc, argv); 155 cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
86
87 rxvt_init_xlocale(aR);
88
89 rxvt_scr_reset(aR); /* initialize screen */
90#ifdef RXVT_GRAPHICS
91 rxvt_Gr_reset(aR); /* reset graphics */
92#endif 156#endif
93 157#ifdef TEXT_BLINK
94#if 0 158 text_blink_ev (this, &rxvt_term::text_blink_cb),
95#ifdef DEBUG_X
96 XSynchronize(R->Xdisplay, True);
97 XSetErrorHandler((XErrorHandler) abort);
98#else
99 XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
100#endif 159#endif
160#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
161 cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
101#endif 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),
184 pty_ev (this, &rxvt_term::pty_cb),
185 incr_ev (this, &rxvt_term::incr_cb)
186{
187 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
102 188
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
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)
306 return;
307
308 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
309
310#if ENABLE_OVERLAY
311 scr_overlay_off ();
312#endif
313
314 if (display)
315 {
316#if USE_XIM
317 im_ev.stop (display);
318#endif
103#ifdef HAVE_SCROLLBARS 319#if HAVE_SCROLLBARS
104 if (R->Options & Opt_scrollBar) 320 scrollbar_ev.stop (display);
105 rxvt_Resize_scrollBar(aR); /* create and map scrollbar */
106#endif 321#endif
107#if (MENUBAR_MAX)
108 if (menubar_visible(r))
109 XMapWindow(R->Xdisplay, R->menuBar.win);
110#endif
111#ifdef TRANSPARENT 322#if TRANSPARENT
112 if (R->Options & Opt_transparent) { 323 rootwin_ev.stop (display);
113 XSelectInput(R->Xdisplay, Xroot, PropertyChangeMask);
114 rxvt_check_our_parents(aR);
115 }
116#endif 324#endif
117 XMapWindow(R->Xdisplay, R->TermWin.vt); 325 incr_ev.stop ();
118 XMapWindow(R->Xdisplay, R->TermWin.parent[0]); 326 termwin_ev.stop (display);
119 327 vt_ev.stop (display);
120 rxvt_init_env(aR);
121 rxvt_init_command(aR_ cmd_argv);
122
123 return R;
124}
125
126/* ------------------------------------------------------------------------- *
127 * SIGNAL HANDLING & EXIT HANDLER *
128 * ------------------------------------------------------------------------- */
129/*
130 * Catch a SIGCHLD signal and exit if the direct child has died
131 */
132/* ARGSUSED */
133/* EXTPROTO */
134RETSIGTYPE
135rxvt_Child_signal(int sig __attribute__((unused)))
136{
137 dR;
138 int pid, save_errno = errno;
139
140 do {
141 errno = 0;
142 } while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
143
144 if (pid == R->h->cmd_pid)
145 exit(EXIT_SUCCESS);
146
147 errno = save_errno;
148 signal(SIGCHLD, rxvt_Child_signal);
149}
150
151/*
152 * Catch a fatal signal and tidy up before quitting
153 */
154/* EXTPROTO */
155RETSIGTYPE
156rxvt_Exit_signal(int sig)
157{
158 signal(sig, SIG_DFL);
159#ifdef DEBUG_CMD
160 rxvt_print_error("signal %d", sig);
161#endif
162 rxvt_clean_exit();
163 kill(getpid(), sig);
164}
165
166/* ARGSUSED */
167/* INTPROTO */
168int
169rxvt_xerror_handler(const Display *display __attribute__((unused)), const XErrorEvent *event)
170{
171 dR;
172
173 if (R->h->allowedxerror == -1) {
174 R->h->allowedxerror = event->error_code;
175 return 0; /* ignored anyway */
176 } 328 }
177 rxvt_print_error("XError: Request: %d . %d, Error: %d", 329
178 event->request_code, event->minor_code, 330 check_ev.stop ();
179 event->error_code); 331 pty_ev.stop ();
180 /* XXX: probably should call rxvt_clean_exit() bypassing X routines */ 332#ifdef CURSOR_BLINK
181 exit(EXIT_FAILURE); 333 cursor_blink_ev.stop ();
182 /* NOTREACHED */ 334#endif
335#ifdef TEXT_BLINK
336 text_blink_ev.stop ();
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
347
348 destroy_ev.start (0);
349}
350
351void
352rxvt_term::destroy_cb (time_watcher &w)
353{
354 make_current ();
355
356 delete this;
183} 357}
184 358
185/*----------------------------------------------------------------------*/ 359/*----------------------------------------------------------------------*/
186/* 360/*
187 * Exit gracefully, clearing the utmp entry and restoring tty attributes 361 * Exit gracefully, clearing the utmp entry and restoring tty attributes
188 * 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
189 */ 363 */
190/* EXTPROTO */ 364static XErrorHandler old_xerror_handler;
191void
192rxvt_clean_exit(void)
193{
194 dR;
195 365
196#ifdef DEBUG_SCREEN 366static void
197 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_FRILLS
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}
198#endif 420#endif
199#ifndef NO_SETOWNER_TTYDEV 421
200 rxvt_privileged_ttydev(aR_ RESTORE); 422int
201#endif 423rxvt_xerror_handler (Display *display, XErrorEvent *event)
202#ifdef UTMP_SUPPORT 424{
203 rxvt_privileged_utmp(aR_ RESTORE); 425 if (GET_R->allowedxerror == -1)
204#endif 426 GET_R->allowedxerror = event->error_code;
205#ifdef USE_XIM 427 else
206 if (R->h->Input_Context != NULL) {
207 XDestroyIC(R->h->Input_Context);
208 R->h->Input_Context = NULL;
209 } 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_FRILLS
432 print_x_error (display, event);
433#else
434 old_xerror_handler (display, event);
210#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 ();
211} 575}
212 576
213/* ------------------------------------------------------------------------- * 577/* ------------------------------------------------------------------------- *
214 * MEMORY ALLOCATION WRAPPERS * 578 * MEMORY ALLOCATION WRAPPERS *
215 * ------------------------------------------------------------------------- */ 579 * ------------------------------------------------------------------------- */
216/* EXTPROTO */ 580void *
217void *
218rxvt_malloc(size_t size) 581rxvt_malloc (size_t size)
219{ 582{
220 void *p;
221
222 p = malloc(size); 583 void *p = malloc (size);
584
223 if (p) 585 if (!p)
586 rxvt_fatal ("memory allocation failure. aborting.\n");
587
224 return p; 588 return p;
225
226 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
227 rxvt_clean_exit();
228 exit(EXIT_FAILURE);
229 /* NOTREACHED */
230} 589}
231 590
232/* EXTPROTO */ 591void *
233void *
234rxvt_calloc(size_t number, size_t size) 592rxvt_calloc (size_t number, size_t size)
235{ 593{
236 void *p;
237
238 p = calloc(number, size); 594 void *p = calloc (number, size);
595
239 if (p) 596 if (!p)
597 rxvt_fatal ("memory allocation failure. aborting.\n");
598
240 return p; 599 return p;
241
242 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
243 rxvt_clean_exit();
244 exit(EXIT_FAILURE);
245 /* NOTREACHED */
246} 600}
247 601
248/* EXTPROTO */ 602void *
249void *
250rxvt_realloc(void *ptr, size_t size) 603rxvt_realloc (void *ptr, size_t size)
251{ 604{
252 void *p;
253
254 if (ptr)
255 p = realloc(ptr, size); 605 void *p = realloc (ptr, size);
256 else 606
257 p = malloc(size);
258 if (p) 607 if (!p)
608 rxvt_fatal ("memory allocation failure. aborting.\n");
609
259 return p; 610 return p;
260
261 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
262 rxvt_clean_exit();
263 exit(EXIT_FAILURE);
264 /* NOTREACHED */
265} 611}
266/* ------------------------------------------------------------------------- *
267 * PRIVILEGED OPERATIONS *
268 * ------------------------------------------------------------------------- */
269/* take care of suid/sgid super-user (root) privileges */
270/* INTPROTO */
271void
272rxvt_privileges(pR_ int mode)
273{
274#if ! defined(__CYGWIN32__)
275# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
276/* setreuid() is the poor man's setuid(), seteuid() */
277# define seteuid(a) setreuid(-1, (a))
278# define setegid(a) setregid(-1, (a))
279# define HAVE_SETEUID
280# endif
281# ifdef HAVE_SETEUID
282 switch (mode) {
283 case IGNORE:
284 /*
285 * change effective uid/gid - not real uid/gid - so we can switch
286 * back to root later, as required
287 */
288 seteuid(getuid());
289 setegid(getgid());
290 break;
291 case SAVE:
292 R->h->euid = geteuid();
293 R->h->egid = getegid();
294 break;
295 case RESTORE:
296 seteuid(R->h->euid);
297 setegid(R->h->egid);
298 break;
299 }
300# else
301 switch (mode) {
302 case IGNORE:
303 setuid(getuid());
304 setgid(getgid());
305 /* FALLTHROUGH */
306 case SAVE:
307 /* FALLTHROUGH */
308 case RESTORE:
309 break;
310 }
311# endif
312#endif
313}
314
315#ifdef UTMP_SUPPORT
316/* EXTPROTO */
317void
318rxvt_privileged_utmp(pR_ char action)
319{
320 struct rxvt_hidden *h = R->h;
321
322 D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)", action, h->next_utmp_action, getpid()));
323 if (h->next_utmp_action != action
324 || (action != SAVE && action != RESTORE)
325 || (R->Options & Opt_utmpInhibit)
326 || h->ttydev == NULL
327 || *h->ttydev == '\0')
328 return;
329
330 rxvt_privileges(aR_ RESTORE);
331 if (action == SAVE) {
332 h->next_utmp_action = RESTORE;
333 rxvt_makeutent(aR_ h->ttydev, h->rs[Rs_display_name]);
334 } else { /* action == RESTORE */
335 h->next_utmp_action = IGNORE;
336 rxvt_cleanutent(aR);
337 }
338 rxvt_privileges(aR_ IGNORE);
339}
340#endif
341
342#ifndef NO_SETOWNER_TTYDEV
343/* EXTPROTO */
344void
345rxvt_privileged_ttydev(pR_ char action)
346{
347 struct rxvt_hidden *h = R->h;
348
349 D_MAIN((stderr, "rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)", action, h->next_tty_action, getpid()));
350 if (h->next_tty_action != action
351 || (action != SAVE && action != RESTORE)
352 || h->ttydev == NULL
353 || *h->ttydev == '\0')
354 return;
355
356 rxvt_privileges(aR_ RESTORE);
357
358 if (action == SAVE) {
359 h->next_tty_action = RESTORE;
360# ifndef RESET_TTY_TO_COMMON_DEFAULTS
361/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
362 if (lstat(h->ttydev, &h->ttyfd_stat) < 0) /* you lose out */
363 h->next_tty_action = IGNORE;
364 else
365# endif
366 {
367 chown(h->ttydev, getuid(), h->ttygid); /* fail silently */
368 chmod(h->ttydev, h->ttymode);
369# ifdef HAVE_REVOKE
370 revoke(h->ttydev);
371# endif
372 }
373 } else { /* action == RESTORE */
374 h->next_tty_action = IGNORE;
375# ifndef RESET_TTY_TO_COMMON_DEFAULTS
376 chmod(h->ttydev, h->ttyfd_stat.st_mode);
377 chown(h->ttydev, h->ttyfd_stat.st_uid, h->ttyfd_stat.st_gid);
378# else
379 chmod(h->ttydev,
380 (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
381 chown(h->ttydev, 0, 0);
382# endif
383 }
384
385 rxvt_privileges(aR_ IGNORE);
386
387# ifndef RESET_TTY_TO_COMMON_DEFAULTS
388 D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d", action == RESTORE ? "Restoring" : (action == SAVE ? "Saving" : "UNKNOWN ERROR for"), h->ttydev, h->ttyfd_stat.st_mode, h->ttyfd_stat.st_uid, h->ttyfd_stat.st_gid));
389# endif
390}
391#endif
392 612
393/*----------------------------------------------------------------------*/ 613/*----------------------------------------------------------------------*/
394/* 614/*
395 * window size/position calculcations for XSizeHint and other storage. 615 * window size/position calculcations for XSizeHint and other storage.
396 * if width/height are non-zero then override calculated width/height 616 * if width/height are non-zero then override calculated width/height
397 */ 617 */
398/* EXTPROTO */
399void 618void
400rxvt_window_calc(pR_ unsigned int width, unsigned int height) 619rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
401{ 620{
402 short recalc_x, recalc_y; 621 short recalc_x, recalc_y;
403 int x, y, sb_w, mb_h, flags; 622 int x, y, sb_w, flags;
404 unsigned int w, h; 623 unsigned int w, h;
405 unsigned int max_width, max_height; 624 unsigned int max_width, max_height;
406 625
407 D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", R->TermWin.ncol, R->TermWin.nrow, R->szHint.width, R->szHint.height));
408 R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; 626 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
409 R->szHint.win_gravity = NorthWestGravity; 627 szHint.win_gravity = NorthWestGravity;
410 /* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */ 628 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
411 629
412 recalc_x = recalc_y = 0; 630 recalc_x = recalc_y = 0;
413 flags = 0; 631 flags = 0;
632
414 if (!R->h->parsed_geometry) { 633 if (!parsed_geometry)
634 {
415 R->h->parsed_geometry = 1; 635 parsed_geometry = 1;
636
416 if (R->h->rs[Rs_geometry]) 637 if (rs[Rs_geometry])
417 flags = XParseGeometry(R->h->rs[Rs_geometry], &x, &y, &w, &h); 638 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
639
418 if (flags & WidthValue) { 640 if (flags & WidthValue)
419 R->TermWin.ncol = BOUND_POSITIVE_INT16(w); 641 {
420 R->szHint.flags |= USSize; 642 ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
421 } 643 szHint.flags |= USSize;
644 }
645
422 if (flags & HeightValue) { 646 if (flags & HeightValue)
423 R->TermWin.nrow = BOUND_POSITIVE_INT16(h); 647 {
424 R->szHint.flags |= USSize; 648 nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
425 } 649 szHint.flags |= USSize;
650 }
651
426 if (flags & XValue) { 652 if (flags & XValue)
427 R->szHint.x = x; 653 {
654 szHint.x = x;
428 R->szHint.flags |= USPosition; 655 szHint.flags |= USPosition;
656
429 if (flags & XNegative) { 657 if (flags & XNegative)
430 recalc_x = 1; 658 {
659 recalc_x = 1;
431 R->szHint.win_gravity = NorthEastGravity; 660 szHint.win_gravity = NorthEastGravity;
661 }
662 }
663
664 if (flags & YValue)
665 {
666 szHint.y = y;
667 szHint.flags |= USPosition;
668
669 if (flags & YNegative)
670 {
671 recalc_y = 1;
672
673 if (szHint.win_gravity == NorthEastGravity)
674 szHint.win_gravity = SouthEastGravity;
675 else
676 szHint.win_gravity = SouthWestGravity;
677 }
678 }
432 } 679 }
433 } 680
434 if (flags & YValue) {
435 R->szHint.y = y;
436 R->szHint.flags |= USPosition;
437 if (flags & YNegative) {
438 recalc_y = 1;
439 if (R->szHint.win_gravity == NorthEastGravity)
440 R->szHint.win_gravity = SouthEastGravity;
441 else
442 R->szHint.win_gravity = SouthWestGravity;
443 }
444 }
445 }
446/* TODO: BOUNDS */ 681 /* TODO: BOUNDS */
447 R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth; 682 width = ncol * fwidth;
448 R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight; 683 height = nrow * fheight;
449 max_width = MAX_COLS * R->TermWin.fwidth; 684 max_width = MAX_COLS * fwidth;
450 max_height = MAX_ROWS * R->TermWin.fheight; 685 max_height = MAX_ROWS * fheight;
451 686
452 R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth; 687 szHint.base_width = szHint.base_height = 2 * int_bwidth;
453 688
454 sb_w = mb_h = 0; 689 sb_w = 0;
455 R->h->window_vt_x = R->h->window_vt_y = 0; 690 window_vt_x = window_vt_y = int_bwidth;
456 if (scrollbar_visible(R)) { 691
692 if (scrollBar.state)
693 {
457 sb_w = scrollbar_TotalWidth(); 694 sb_w = scrollbar_TotalWidth ();
458 R->szHint.base_width += sb_w; 695 szHint.base_width += sb_w;
459 if (!(R->Options & Opt_scrollBar_right)) 696 if (!OPTION (Opt_scrollBar_right))
460 R->h->window_vt_x = sb_w; 697 window_vt_x += sb_w;
461 } 698 }
462 if (menubar_visible(R)) { 699
463 mb_h = menuBar_TotalHeight();
464 R->szHint.base_height += mb_h;
465 R->h->window_vt_y = mb_h;
466 }
467 R->szHint.width_inc = R->TermWin.fwidth; 700 szHint.width_inc = fwidth;
468 R->szHint.height_inc = R->TermWin.fheight; 701 szHint.height_inc = fheight;
469 R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc; 702 szHint.min_width = szHint.base_width + szHint.width_inc;
470 R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc; 703 szHint.min_height = szHint.base_height + szHint.height_inc;
471 704
472 if (width && width - R->szHint.base_width < max_width) { 705 if (newwidth && newwidth - szHint.base_width < max_width)
473 R->szHint.width = width;
474 R->TermWin.width = width - R->szHint.base_width;
475 } else {
476 MIN_IT(R->TermWin.width, max_width);
477 R->szHint.width = R->szHint.base_width + R->TermWin.width;
478 } 706 {
707 szHint.width = newwidth;
708 width = newwidth - szHint.base_width;
709 }
710 else
711 {
712 min_it (width, max_width);
713 szHint.width = szHint.base_width + width;
714 }
715
479 if (height && height - R->szHint.base_height < max_height) { 716 if (newheight && newheight - szHint.base_height < max_height)
480 R->szHint.height = height;
481 R->TermWin.height = height - R->szHint.base_height;
482 } else {
483 MIN_IT(R->TermWin.height, max_height);
484 R->szHint.height = R->szHint.base_height + R->TermWin.height;
485 } 717 {
486 if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right)) 718 szHint.height = newheight;
719 height = newheight - szHint.base_height;
720 }
721 else
722 {
723 min_it (height, max_height);
724 szHint.height = szHint.base_height + height;
725 }
726
727 if (scrollBar.state && OPTION (Opt_scrollBar_right))
487 R->h->window_sb_x = R->szHint.width - sb_w; 728 window_sb_x = szHint.width - sb_w;
488 729
489 if (recalc_x) 730 if (recalc_x)
490 R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen) 731 szHint.x += DisplayWidth (xdisp, display->screen) - szHint.width - 2 * ext_bwidth;
491 - R->szHint.width - 2 * R->TermWin.ext_bwidth); 732
492 if (recalc_y) 733 if (recalc_y)
493 R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen) 734 szHint.y += DisplayHeight (xdisp, display->screen) - szHint.height - 2 * ext_bwidth;
494 - R->szHint.height - 2 * R->TermWin.ext_bwidth);
495 735
496 R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth; 736 ncol = width / fwidth;
497 R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight; 737 nrow = height / fheight;
498 D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", R->TermWin.ncol, R->TermWin.nrow, R->szHint.width, R->szHint.height));
499 return;
500} 738}
501 739
502/*----------------------------------------------------------------------*/ 740/*----------------------------------------------------------------------*/
503/* 741/*
504 * Tell the teletype handler what size the window is. 742 * Tell the teletype handler what size the window is.
505 * Called after a window size change. 743 * Called after a window size change.
506 */ 744 */
507/* EXTPROTO */
508void 745void
509rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid) 746rxvt_term::tt_winch ()
510{ 747{
748 if (pty->pty < 0)
749 return;
750
511 struct winsize ws; 751 struct winsize ws;
512 752
513 if (fd < 0)
514 return;
515 ws.ws_col = col; 753 ws.ws_col = ncol;
516 ws.ws_row = row; 754 ws.ws_row = nrow;
517 ws.ws_xpixel = ws.ws_ypixel = 0; 755 ws.ws_xpixel = width;
518#ifndef DEBUG_SIZE 756 ws.ws_ypixel = height;
519 (void)ioctl(fd, TIOCSWINSZ, &ws); 757 (void)ioctl (pty->pty, TIOCSWINSZ, &ws);
520#else 758
521 if (ioctl(fd, TIOCSWINSZ, &ws) < 0) { 759#if 0
522 D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd)); 760 // TIOCSWINSZ⎈ is supposed to do this automatically and correctly
523 }
524# ifdef SIGWINCH
525 else if (pid) /* force through to the command */ 761 if (cmd_pid) /* force through to the command */
526 kill(pid, SIGWINCH); 762 kill (-cmd_pid, SIGWINCH);
527# endif
528#endif 763#endif
529} 764}
530 765
531/*----------------------------------------------------------------------*/ 766/*----------------------------------------------------------------------*/
532/* rxvt_change_font() - Switch to a new font */ 767/* set_fonts () - load and set the various fonts
533/* 768 *
534 * init = 1 - initialize 769 * init = 1 - initialize
535 * 770 *
536 * fontname == FONT_UP - switch to bigger font 771 * fontname == FONT_UP - switch to bigger font
537 * fontname == FONT_DN - switch to smaller font 772 * fontname == FONT_DN - switch to smaller font
538 */ 773 */
539/* EXTPROTO */ 774bool
540void 775rxvt_term::set_fonts ()
541rxvt_change_font(pR_ int init, const char *fontname)
542{ 776{
543} 777 rxvt_fontset *fs = new rxvt_fontset (this);
778 rxvt_fontprop prop;
544 779
545/* INTPROTO */ 780 if (!fs
546void 781 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
547rxvt_font_up_down(pR_ int n, int direction) 782 || !fs->realize_font (1))
783 {
784 delete fs;
785 return false;
786 }
787
788#if ENABLE_STYLES
789 for (int i = RS_styleCount; --i; )
790 if (fontset[i] != fontset[0])
791 delete fontset[i];
792#endif
793
794 delete fontset[0];
795 fontset[0] = fs;
796
797 prop = (*fs)[1]->properties ();
798 prop.height += lineSpace;
799 fs->set_prop (prop);
800
801 fwidth = prop.width;
802 fheight = prop.height;
803 fbase = prop.ascent;
804
805 for (int style = 1; style < 4; style++)
806 {
807#if ENABLE_STYLES
808 const char *res = rs[Rs_font + style];
809
810 if (res && !*res)
811 fontset[style] = fontset[0];
812 else
813 {
814 fontset[style] = fs = new rxvt_fontset (this);
815 rxvt_fontprop prop2 = prop;
816
817 if (res)
818 prop2.weight = prop2.slant = rxvt_fontprop::unset;
819 else
820 {
821 res = fontset[0]->fontdesc;
822
823 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
824 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
825 }
826
827 fs->populate (res);
828 fs->set_prop (prop2);
829 }
830#else
831 fontset[style] = fontset[0];
832#endif
833 }
834
835 if (parent[0])
836 {
837 resize_all_windows (0, 0, 0);
838 scr_remap_chars ();
839 scr_touch (true);
840 }
841
842 return true;
843}
844
845void rxvt_term::set_string_property (Atom prop, const char *str, int len)
548{ 846{
847 XChangeProperty (xdisp, parent[0],
848 prop, XA_STRING, 8, PropModeReplace,
849 (const unsigned char *)str, len >= 0 ? len : strlen (str));
850}
851
852void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
853{
854 wchar_t *ws = rxvt_mbstowcs (str, len);
855 char *s = rxvt_wcstoutf8 (ws);
856
857 XChangeProperty (xdisp, parent[0],
858 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
859 (const unsigned char *)s, strlen (s));
860
861 free (s);
862 free (ws);
549} 863}
550 864
551/*----------------------------------------------------------------------*/ 865/*----------------------------------------------------------------------*/
552/*----------------------------------------------------------------------*/ 866/*----------------------------------------------------------------------*/
553/* xterm sequences - title, iconName, color (exptl) */ 867/* xterm sequences - title, iconName, color (exptl) */
554/* EXTPROTO */
555void 868void
556rxvt_set_title(pR_ const char *str) 869rxvt_term::set_title (const char *str)
557{ 870{
558#ifndef SMART_WINDOW_TITLE 871 set_string_property (XA_WM_NAME, str);
559 XStoreName(R->Xdisplay, R->TermWin.parent[0], str); 872#if ENABLE_EWMH
873 set_utf8_property (xa[XA_NET_WM_NAME], str);
874#endif
875}
876
877void
878rxvt_term::set_icon_name (const char *str)
879{
880 set_string_property (XA_WM_ICON_NAME, str);
881#if ENABLE_EWMH
882 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
883#endif
884}
885
886#ifdef XTERM_COLOR_CHANGE
887void
888rxvt_term::set_window_color (int idx, const char *color)
889{
890 rxvt_color xcol;
891 int i;
892
893 if (color == NULL || *color == '\0')
894 return;
895
896 /* handle color aliases */
897 if (isdigit (*color))
898 {
899 i = atoi (color);
900
901 if (i >= 8 && i <= 15)
902 { /* bright colors */
903 i -= 8;
904 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
905 SET_PIXCOLOR (idx);
906 goto done;
907 }
908
909 if (i >= 0 && i <= 7)
910 { /* normal colors */
911 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
912 SET_PIXCOLOR (idx);
913 goto done;
914 }
915 }
916
917 if (!rXParseAllocColor (&xcol, color))
918 return;
919
920 /* XStoreColor (xdisp, display->cmap, XColor*); */
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# if 0
927 for (i = Color_Black; i <= Color_White; i++)
928 if (pix_colors[idx] == pix_colors[i])
929 break;
930 if (i > Color_White)
931 {
932 /* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
933 XFreeColors (xdisp, display->cmap, (pix_colors + idx), 1,
934 DisplayPlanes (xdisp, display->screen));
935 }
936# endif
937
938 pix_colors_focused[idx] = xcol;
939 SET_PIXCOLOR (idx);
940
941 /* XSetWindowAttributes attr; */
942 /* Cursor cursor; */
943done:
944
945#if OFF_FOCUS_FADING
946 if (rs[Rs_fade])
947 pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (this, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
948#endif
949
950 /*TODO: handle Color_BD, scrollbar background, etc. */
951
952 recolour_cursor ();
953 scr_recolour ();
954}
955
560#else 956#else
561 char *name;
562
563 if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
564 name = NULL;
565 if (name == NULL || STRCMP(name, str))
566 XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
567 if (name)
568 XFree(name);
569#endif
570}
571
572/* EXTPROTO */
573void
574rxvt_set_iconName(pR_ const char *str)
575{
576#ifndef SMART_WINDOW_TITLE
577 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
578#else
579 char *name;
580
581 if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
582 name = NULL;
583 if (name == NULL || STRCMP(name, str))
584 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
585 if (name)
586 XFree(name);
587#endif
588}
589
590#ifdef XTERM_COLOR_CHANGE
591/* EXTPROTO */
592void
593rxvt_set_window_color(pR_ int idx, const char *color)
594{
595 rxvt_color xcol;
596 int i;
597
598 if (color == NULL || *color == '\0')
599 return;
600
601/* handle color aliases */
602 if (isdigit(*color)) {
603 i = atoi(color);
604 if (i >= 8 && i <= 15) { /* bright colors */
605 i -= 8;
606# ifndef NO_BRIGHTCOLOR
607 R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
608 SET_PIXCOLOR(R->h, idx);
609 goto Done;
610# endif
611 }
612 if (i >= 0 && i <= 7) { /* normal colors */
613 R->PixColors[idx] = R->PixColors[minCOLOR + i];
614 SET_PIXCOLOR(R->h, idx);
615 goto Done;
616 }
617 }
618 if (!rxvt_rXParseAllocColor(aR_ &xcol, color))
619 return;
620/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
621
622/*
623 * FIXME: should free colors here, but no idea how to do it so instead,
624 * so just keep gobbling up the colormap
625 */
626# if 0
627 for (i = Color_Black; i <= Color_White; i++)
628 if (R->PixColors[idx] == R->PixColors[i])
629 break;
630 if (i > Color_White) {
631 /* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
632 XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
633 DisplayPlanes(R->Xdisplay, Xscreen));
634 }
635# endif
636
637 R->PixColors[idx] = xcol;
638 SET_PIXCOLOR(R->h, idx);
639
640/* XSetWindowAttributes attr; */
641/* Cursor cursor; */
642 Done:
643 if (idx == Color_bg && !(R->Options & Opt_transparent))
644 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
645 R->PixColors[Color_bg]);
646
647/* handle Color_BD, scrollbar background, etc. */
648
649 rxvt_set_colorfgbg(aR);
650 rxvt_recolour_cursor(aR);
651/* the only reasonable way to enforce a clean update */
652 rxvt_scr_poweron(aR);
653}
654
655#else
656# define rxvt_set_window_color(aR_ idx,color) ((void)0) 957# define set_window_color (idx,color) ((void)0)
657#endif /* XTERM_COLOR_CHANGE */ 958#endif /* XTERM_COLOR_CHANGE */
658 959
659/* EXTPROTO */
660void 960void
661rxvt_recolour_cursor(pR) 961rxvt_term::recolour_cursor ()
662{ 962{
663 rxvt_color xcol[2]; 963 XColor xcol[2];
664 964
665#if TODO 965 xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
666 xcol[0] = R->PixColors[Color_pointer]; 966 ? pix_colors_focused[Color_pointer_fg]
667 xcol[1] = R->PixColors[Color_bg]; 967 : pix_colors_focused[Color_fg];
668 XQueryColors(R->Xdisplay, XCMAP, xcol, 2); 968 xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
969 ? pix_colors_focused[Color_pointer_bg]
970 : pix_colors_focused[Color_bg];
971
972 XQueryColors (xdisp, cmap, xcol, 2);
669 XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1])); 973 XRecolorCursor (xdisp, TermWin_cursor, xcol + 0, xcol + 1);
670#endif
671} 974}
672 975
673/*----------------------------------------------------------------------*/ 976/*----------------------------------------------------------------------*/
674/* 977/*
675 * find if fg/bg matches any of the normal (low-intensity) colors 978 * find if fg/bg matches any of the normal (low-intensity) colors
676 */ 979 */
677/* INTPROTO */
678void 980void
679rxvt_set_colorfgbg(pR) 981rxvt_term::set_colorfgbg ()
680{ 982{
681 unsigned int i; 983 unsigned int i;
682 const char *xpmb = "\0"; 984 const char *xpmb = "\0";
683 char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1]; 985 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
684 986
685 R->h->env_colorfgbg = (char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1); 987 strcpy (fstr, "default");
686 STRCPY(fstr, "default"); 988 strcpy (bstr, "default");
687 STRCPY(bstr, "default");
688 for (i = Color_Black; i <= Color_White; i++) 989 for (i = Color_Black; i <= Color_White; i++)
689 if (R->PixColors[Color_fg] == R->PixColors[i]) { 990 if (pix_colors[Color_fg] == pix_colors[i])
991 {
690 sprintf(fstr, "%d", (i - Color_Black)); 992 sprintf (fstr, "%d", (i - Color_Black));
691 break; 993 break;
692 } 994 }
995
693 for (i = Color_Black; i <= Color_White; i++) 996 for (i = Color_Black; i <= Color_White; i++)
694 if (R->PixColors[Color_bg] == R->PixColors[i]) { 997 if (pix_colors[Color_bg] == pix_colors[i])
998 {
695 sprintf(bstr, "%d", (i - Color_Black)); 999 sprintf (bstr, "%d", (i - Color_Black));
696#ifdef XPM_BACKGROUND 1000#ifdef XPM_BACKGROUND
697 xpmb = "default;"; 1001 xpmb = "default;";
698#endif 1002#endif
699 break; 1003 break;
700 } 1004 }
1005
701 sprintf(R->h->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); 1006 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
702 putenv(R->h->env_colorfgbg);
703
704#ifndef NO_BRIGHTCOLOR
705 R->h->colorfgbg = DEFAULT_RSTYLE;
706 for (i = minCOLOR; i <= maxCOLOR; i++) {
707 if (R->PixColors[Color_fg] == R->PixColors[i])
708 R->h->colorfgbg = SET_FGCOLOR(R->h->colorfgbg, i);
709 if (R->PixColors[Color_bg] == R->PixColors[i])
710 R->h->colorfgbg = SET_BGCOLOR(R->h->colorfgbg, i);
711 }
712#endif
713} 1007}
714 1008
715/*----------------------------------------------------------------------*/ 1009/*----------------------------------------------------------------------*/
716/*
717 * Colour determination for low colour displays, routine from
718 * Hans de Goede <hans@highrise.nl>
719 */
720 1010
721/* EXTPROTO */
722int 1011int
723rxvt_rXParseAllocColor(pR_ rxvt_color *screen_in_out, const char *colour) 1012rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
724{ 1013{
725 screen_in_out->set (aR_ colour);
726
727 if (!screen_in_out->set (aR_ colour)) 1014 if (!screen_in_out->set (this, colour))
728 { 1015 {
729 rxvt_print_error("can't allocate colour: %s", colour); 1016 rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
730 return false; 1017 return false;
731 } 1018 }
732 1019
733 return true; 1020 return true;
734} 1021}
735 1022
736/* -------------------------------------------------------------------- * 1023/* -------------------------------------------------------------------- *
737 * - WINDOW RESIZING - * 1024 * - WINDOW RESIZING - *
738 * -------------------------------------------------------------------- */ 1025 * -------------------------------------------------------------------- */
739/* EXTPROTO */
740void 1026void
741rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height, int ignoreparent) 1027rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
742{ 1028{
743 int fix_screen; 1029 int fix_screen;
1030 int old_width = szHint.width;
1031 int old_height = szHint.height;
1032
1033 window_calc (newwidth, newheight);
1034 XSetWMNormalHints (xdisp, parent[0], &szHint);
1035
1036 if (!ignoreparent)
1037 {
744#ifdef SMART_RESIZE 1038#ifdef SMART_RESIZE
745 int old_width = R->szHint.width, 1039 /*
746 old_height = R->szHint.height;
747#endif
748
749 rxvt_window_calc(aR_ width, height);
750 XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
751 if (!ignoreparent) {
752#ifdef SMART_RESIZE
753/*
754 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> 1040 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
755 * reposition window on resize depending on placement on screen 1041 * reposition window on resize depending on placement on screen
756 */ 1042 */
757 int x, y, x1, y1; 1043 int x, y, x1, y1;
758 int dx, dy; 1044 int dx, dy;
759 unsigned int unused_w1, unused_h1, unused_b1, unused_d1; 1045 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
760 Window unused_cr; 1046 Window unused_cr;
761 1047
762 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot, 1048 XTranslateCoordinates (xdisp, parent[0], display->root,
763 0, 0, &x, &y, &unused_cr); 1049 0, 0, &x, &y, &unused_cr);
764 XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1, 1050 XGetGeometry (xdisp, parent[0], &unused_cr, &x1, &y1,
765 &unused_w1, &unused_h1, &unused_b1, &unused_d1); 1051 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
766 /* 1052 /*
767 * if Xroot isn't the parent window, a WM will probably have offset 1053 * if display->root isn't the parent window, a WM will probably have offset
768 * our position for handles and decorations. Counter it 1054 * our position for handles and decorations. Counter it
769 */ 1055 */
770 if (x1 != x || y1 != y) { 1056 if (x1 != x || y1 != y)
1057 {
771 x -= x1; 1058 x -= x1;
772 y -= y1; 1059 y -= y1;
773 } 1060 }
774 1061
775 x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2; 1062 x1 = (DisplayWidth (xdisp, display->screen) - old_width ) / 2;
776 y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2; 1063 y1 = (DisplayHeight (xdisp, display->screen) - old_height) / 2;
777 dx = old_width - R->szHint.width; 1064 dx = old_width - szHint.width;
778 dy = old_height - R->szHint.height; 1065 dy = old_height - szHint.height;
779 1066
780 /* Check position of the center of the window */ 1067 /* Check position of the center of the window */
781 if (x < x1) /* left half */ 1068 if (x < x1) /* left half */
782 dx = 0; 1069 dx = 0;
783 else if (x == x1) /* exact center */ 1070 else if (x == x1) /* exact center */
784 dx /= 2; 1071 dx /= 2;
785 if (y < y1) /* top half */ 1072 if (y < y1) /* top half */
786 dy = 0; 1073 dy = 0;
787 else if (y == y1) /* exact center */ 1074 else if (y == y1) /* exact center */
788 dy /= 2; 1075 dy /= 2;
789 1076
790 XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy, 1077 XMoveResizeWindow (xdisp, parent[0], x + dx, y + dy,
791 R->szHint.width, R->szHint.height); 1078 szHint.width, szHint.height);
792#else 1079#else
793 XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width, 1080 XResizeWindow (xdisp, parent[0], szHint.width, szHint.height);
794 R->szHint.height);
795#endif 1081#endif
796 } 1082 }
797 1083
798 fix_screen = (R->TermWin.ncol != R->h->prev_ncol 1084 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
799 || R->TermWin.nrow != R->h->prev_nrow); 1085
800 if (fix_screen || width != R->h->old_width || height != R->h->old_height) { 1086 if (fix_screen || newwidth != old_width || newheight != old_height)
801 if (scrollbar_visible(R)) { 1087 {
802 XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->h->window_sb_x, 1088 if (scrollBar.state)
803 0, scrollbar_TotalWidth(), R->szHint.height); 1089 {
804 rxvt_Resize_scrollBar(aR); 1090 XMoveResizeWindow (xdisp, scrollBar.win,
805 } 1091 window_sb_x, 0,
806 if (menubar_visible(R)) 1092 scrollbar_TotalWidth (), szHint.height);
807 XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->h->window_vt_x, 1093 resize_scrollbar ();
808 0, TermWin_TotalWidth(), menuBar_TotalHeight()); 1094 }
809 XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->h->window_vt_x, 1095
810 R->h->window_vt_y, TermWin_TotalWidth(), 1096 XMoveResizeWindow (xdisp, vt,
811 TermWin_TotalHeight()); 1097 window_vt_x, window_vt_y,
812#ifdef RXVT_GRAPHICS 1098 width, height);
813 if (R->h->old_height) 1099
814 rxvt_Gr_Resize(aR_ R->h->old_width - R->szHint.base_width, 1100 scr_clear ();
815 R->h->old_height - R->szHint.base_height);
816#endif
817 rxvt_scr_clear(aR);
818#ifdef XPM_BACKGROUND 1101#ifdef XPM_BACKGROUND
819 rxvt_resize_pixmap(aR); 1102 resize_pixmap ();
820#endif 1103#endif
821 } 1104 }
822 1105
823 if (fix_screen || R->h->old_height == 0) { 1106 if (fix_screen || old_height == 0)
824 int curr_screen = -1; 1107 scr_reset ();
825 uint16_t old_ncol = R->h->prev_ncol;
826 1108
827 /* scr_reset only works on the primary screen */ 1109#ifdef XPM_BACKGROUND
828 if (R->h->old_height) /* this is not the first time through */ 1110 if (pixmap)
829 curr_screen = rxvt_scr_change_screen(aR_ PRIMARY); 1111 scr_touch (false);
830 rxvt_scr_reset(aR); 1112#endif
831 if (curr_screen >= 0) { /* this is not the first time through */
832 rxvt_scr_change_screen(aR_ curr_screen);
833 rxvt_selection_check(aR_ (old_ncol != R->TermWin.ncol ? 4 : 0));
834 }
835 }
836
837 R->h->old_width = R->szHint.width;
838 R->h->old_height = R->szHint.height;
839 1113
840#ifdef USE_XIM 1114#ifdef USE_XIM
841 rxvt_IMSetStatusPosition(aR); 1115 IMSetStatusPosition ();
842#endif 1116#endif
843} 1117}
844 1118
845/* 1119/*
846 * Set the width/height of the vt window in characters. Units are pixels. 1120 * Set the width/height of the vt window in characters. Units are pixels.
847 * good for toggling 80/132 columns 1121 * good for toggling 80/132 columns
848 */ 1122 */
849/* EXTPROTO */
850void 1123void
851rxvt_set_widthheight(pR_ unsigned int width, unsigned int height) 1124rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
852{ 1125{
853 XWindowAttributes wattr; 1126 XWindowAttributes wattr;
854 1127
855 if (width == 0 || height == 0) { 1128 if (newwidth == 0 || newheight == 0)
1129 {
856 XGetWindowAttributes(R->Xdisplay, Xroot, &wattr); 1130 XGetWindowAttributes (xdisp, display->root, &wattr);
1131
857 if (width == 0) 1132 if (newwidth == 0)
858 width = wattr.width - R->szHint.base_width; 1133 newwidth = wattr.width - szHint.base_width;
859 if (height == 0) 1134 if (newheight == 0)
860 height = wattr.height - R->szHint.base_height; 1135 newheight = wattr.height - szHint.base_height;
1136 }
1137
1138 if (newwidth != width || newheight != height)
861 } 1139 {
862 if (width != R->TermWin.width || height != R->TermWin.height) {
863 width += R->szHint.base_width; 1140 newwidth += szHint.base_width;
864 height += R->szHint.base_height; 1141 newheight += szHint.base_height;
865 rxvt_resize_all_windows(aR_ width, height, 0); 1142 resize_all_windows (newwidth, newheight, 0);
866 } 1143 }
867} 1144}
868 1145
869/* -------------------------------------------------------------------- * 1146/* -------------------------------------------------------------------- *
870 * - X INPUT METHOD ROUTINES - * 1147 * - X INPUT METHOD ROUTINES - *
871 * -------------------------------------------------------------------- */ 1148 * -------------------------------------------------------------------- */
872#ifdef USE_XIM 1149#ifdef USE_XIM
873/* INTPROTO */
874void
875rxvt_setSize(pR_ XRectangle *size)
876{
877 size->x = R->TermWin.int_bwidth;
878 size->y = R->TermWin.int_bwidth;
879 size->width = Width2Pixel(R->TermWin.ncol);
880 size->height = Height2Pixel(R->TermWin.nrow);
881}
882 1150
883/* INTPROTO */
884void 1151void
885rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg) 1152rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
886{ 1153{
887 *fg = R->PixColors[Color_fg]; 1154 fg = pix_colors[Color_fg];
888 *bg = R->PixColors[Color_bg]; 1155 bg = pix_colors[Color_bg];
1156}
1157
1158void
1159rxvt_term::im_set_size (XRectangle &size)
1160{
1161 // the int_bwidth terms make no sense to me
1162 size.x = int_bwidth;
1163 size.y = int_bwidth;
1164 size.width = Width2Pixel (ncol) + int_bwidth;
1165 size.height = Height2Pixel (nrow) + int_bwidth;
1166}
1167
1168void
1169rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1170 XRectangle &status_rect,
1171 const XRectangle &needed_rect)
1172{
1173 preedit_rect.x = needed_rect.width;
1174 preedit_rect.y = 0;
1175 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1176 preedit_rect.height = fheight;
1177
1178 status_rect.x = 0;
1179 status_rect.y = 0;
1180 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1181 status_rect.height = fheight;
889} 1182}
890 1183
891/* Checking whether input method is running. */ 1184/* Checking whether input method is running. */
892/* INTPROTO */
893Bool 1185bool
894rxvt_IMisRunning(pR) 1186rxvt_term::IMisRunning ()
895{ 1187{
896 char *p; 1188 char *p;
897 Atom atom; 1189 Atom atom;
898 Window win; 1190 Window win;
899 char server[IMBUFSIZ]; 1191 char server[IMBUFSIZ];
900 1192
901 /* get current locale modifier */ 1193 /* get current locale modifier */
902 if ((p = XSetLocaleModifiers(NULL)) != NULL) { 1194 if ((p = XSetLocaleModifiers (NULL)) != NULL)
903 STRCPY(server, "@server="); 1195 {
1196 strcpy (server, "@server=");
904 STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */ 1197 strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1198
905 if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */ 1199 if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
906 *p = '\0'; 1200 *p = '\0';
907 1201
908 atom = XInternAtom(R->Xdisplay, server, False); 1202 atom = XInternAtom (xdisp, server, False);
909 win = XGetSelectionOwner(R->Xdisplay, atom); 1203 win = XGetSelectionOwner (xdisp, atom);
1204
910 if (win != None) 1205 if (win != None)
911 return True; 1206 return True;
912 } 1207 }
1208
913 return False; 1209 return False;
914} 1210}
915 1211
916/* EXTPROTO */
917void 1212void
918rxvt_IMSendSpot(pR) 1213rxvt_term::IMSendSpot ()
919{ 1214{
920 XPoint spot; 1215 XPoint nspot;
921 XVaNestedList preedit_attr; 1216 XVaNestedList preedit_attr;
922 1217
923 if (R->h->Input_Context == NULL 1218 if (!Input_Context
924 || !R->TermWin.focus 1219 || !focus
925 || !(R->h->input_style & XIMPreeditPosition) 1220 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
926 || !(R->h->event_type == KeyPress 1221 return;
927 || R->h->event_type == Expose
928 || R->h->event_type == NoExpose
929 || R->h->event_type == SelectionNotify
930 || R->h->event_type == ButtonRelease
931 || R->h->event_type == FocusIn)
932 || !rxvt_IMisRunning(aR))
933 return;
934 1222
935 rxvt_setPosition(aR_ &spot); 1223 im_set_position (nspot);
936 1224
1225 if (nspot.x == spot.x && nspot.y == spot.y)
1226 return;
1227
1228 spot = nspot;
1229
937 preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL); 1230 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
938 XSetICValues(R->h->Input_Context, XNPreeditAttributes, preedit_attr, NULL); 1231 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
939 XFree(preedit_attr); 1232 XFree (preedit_attr);
940} 1233}
941 1234
942/* EXTPROTO */
943void 1235void
944rxvt_setTermFontSet(pR_ int idx) 1236rxvt_term::im_destroy ()
945{ 1237{
946 char *string; 1238 if (input_method)
947 long length; 1239 {
948 int success = 0; 1240 if (Input_Context && input_method->xim)
1241 XDestroyIC (Input_Context);
949 1242
950 if (idx < 0 || idx >= MAX_NFONTS) 1243 display->put_xim (input_method);
951 return; 1244 input_method = 0;
952}
953
954/* INTPROTO */
955void
956rxvt_setPreeditArea(pR_ XRectangle *preedit_rect, XRectangle *status_rect, XRectangle *needed_rect)
957{
958 int mbh, vtx = 0;
959
960 if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
961 vtx = scrollbar_TotalWidth();
962 mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
963 mbh -= R->TermWin.lineSpace;
964
965 preedit_rect->x = needed_rect->width + vtx;
966 preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
967
968 preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
969 + vtx;
970 preedit_rect->height = Height2Pixel(1);
971
972 status_rect->x = vtx;
973 status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
974
975 status_rect->width = needed_rect->width ? needed_rect->width
976 : Width2Pixel(R->TermWin.ncol + 1);
977 status_rect->height = Height2Pixel(1);
978}
979
980/* ARGSUSED */
981/* INTPROTO */
982void
983rxvt_IMDestroyCallback(XIM xim __attribute__((unused)), XPointer client_data __attribute__((unused)), XPointer call_data __attribute__((unused)))
984{
985 dR;
986
987 R->h->Input_Context = NULL;
988 /* To avoid Segmentation Fault in C locale: Solaris only? */
989 if (STRCMP(R->h->locale, "C"))
990 XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
991 rxvt_IMInstantiateCallback, NULL);
992}
993
994/*
995 * X manual pages and include files don't match on some systems:
996 * some think this is an XIDProc and others an XIMProc so we can't
997 * use the first argument - need to update this to be nice for
998 * both types via some sort of configure detection
999 */
1000/* ARGSUSED */
1001/* EXTPROTO */
1002void
1003rxvt_IMInstantiateCallback(Display *unused __attribute__((unused)), XPointer client_data __attribute__((unused)), XPointer call_data __attribute__((unused)))
1004{
1005 dR;
1006 int i, found, had_im;
1007 const char *p;
1008 char **s;
1009 char buf[IMBUFSIZ];
1010
1011 D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));
1012 if (R->h->Input_Context)
1013 return;
1014
1015 found = had_im = 0;
1016 p = R->h->rs[Rs_inputMethod];
1017 if (p && *p) {
1018 had_im = 1;
1019 s = rxvt_splitcommastring(p);
1020 for (i = 0; s[i]; i++) {
1021 if (*s[i]) {
1022 STRCPY(buf, "@im=");
1023 STRNCAT(buf, s[i], IMBUFSIZ - 5);
1024 if ((p = XSetLocaleModifiers(buf)) != NULL && *p
1025 && (rxvt_IM_get_IC(aR) == True)) {
1026 found = 1;
1027 break;
1028 }
1029 } 1245 }
1030 } 1246
1031 for (i = 0; s[i]; i++) 1247 Input_Context = 0;
1032 free(s[i]); 1248}
1033 free(s); 1249
1250#ifdef ENABLE_XIM_ONTHESPOT
1251
1252static void
1253xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1254{
1255 ((rxvt_term *)client_data)->make_current ();
1256 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1257}
1258
1259static void
1260xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1261{
1262 ((rxvt_term *)client_data)->make_current ();
1263 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1264}
1265
1266static void
1267xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1268{
1269 rxvt_term *term = (rxvt_term *)client_data;
1270 XIMText *text = call_data->text;
1271
1272 term->make_current ();
1273
1274 if (text)
1034 } 1275 {
1035 if (found) 1276 void *str;
1036 return;
1037 1277
1038/* try with XMODIFIERS env. var. */ 1278 if (!text->encoding_is_wchar && text->string.multi_byte)
1039 if ((p = XSetLocaleModifiers("")) != NULL && *p) { 1279 {
1040 rxvt_IM_get_IC(aR); 1280 // of course, X makes it ugly again
1041 return; 1281 if (term->rs[Rs_imLocale])
1042 } 1282 SET_LOCALE (term->rs[Rs_imLocale]);
1043 1283
1044/* try with no modifiers base IF the user didn't specify an IM */ 1284 str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
1045 if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p 1285 mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
1046 && rxvt_IM_get_IC(aR) == True) 1286
1047 return; 1287 if (term->rs[Rs_imLocale])
1288 SET_LOCALE (term->locale);
1289 }
1290 else
1291 str = (void *)text->string.wide_char;
1292
1293 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1294 DT_INT, call_data->caret,
1295 DT_INT, call_data->chg_first,
1296 DT_INT, call_data->chg_length,
1297 DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1298 DT_WCS_LEN, str, str ? (int)text->length : 0,
1299 DT_END));
1300 }
1301 else
1302 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1303 DT_INT, call_data->caret,
1304 DT_INT, call_data->chg_first,
1305 DT_INT, call_data->chg_length,
1306 DT_END));
1048} 1307}
1308
1309#if 0
1310static void
1311xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1312{
1313 ((rxvt_term *)client_data)->make_current ();
1314 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1315 DT_INT, call_data->position,
1316 DT_INT, call_data->direction,
1317 DT_INT, call_data->style,
1318 DT_END));
1319}
1320#endif
1321
1322#endif
1049 1323
1050/* 1324/*
1051 * Try to open a XIM with the current modifiers, then see if we can 1325 * Try to open a XIM with the current modifiers, then see if we can
1052 * open a suitable preedit type 1326 * open a suitable preedit type
1053 */ 1327 */
1054/* INTPROTO */
1055Bool 1328bool
1056rxvt_IM_get_IC(pR) 1329rxvt_term::IM_get_IC (const char *modifiers)
1057{ 1330{
1058 int i, j, found; 1331 int i, j, found;
1059 XIM xim; 1332 XIM xim;
1060 XPoint spot; 1333 XPoint spot;
1061 XRectangle rect, status_rect, needed_rect; 1334 XRectangle rect, status_rect, needed_rect;
1062 unsigned long fg, bg; 1335 unsigned long fg, bg;
1063 const char *p; 1336 const char *p;
1064 char **s; 1337 char **s;
1065 XIMStyles *xim_styles; 1338 XIMStyles *xim_styles;
1066 XVaNestedList preedit_attr, status_attr; 1339#ifdef ENABLE_XIM_ONTHESPOT
1067 XIMCallback ximcallback; 1340 XIMCallback xcb[4];
1068 struct rxvt_hidden *h = R->h; 1341#endif
1069 1342
1070 D_MAIN((stderr, "rxvt_IM_get_IC()")); 1343 set_environ (envv);
1071 xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL); 1344
1072 if (xim == NULL) 1345 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1073 return False; 1346 return false;
1074 1347
1348 input_method = display->get_xim (locale, modifiers);
1349 if (input_method == NULL)
1350 return false;
1351
1352 xim = input_method->xim;
1353 spot.x = spot.y = -1;
1354
1075 xim_styles = NULL; 1355 xim_styles = NULL;
1076 if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL) 1356 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1077 || !xim_styles || !xim_styles->count_styles) { 1357 || !xim_styles || !xim_styles->count_styles)
1078 XCloseIM(xim);
1079 return False;
1080 } 1358 {
1359 im_destroy ();
1360 return false;
1361 }
1081 1362
1082 p = h->rs[Rs_preeditType] ? h->rs[Rs_preeditType] 1363 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1083 : "OverTheSpot,OffTheSpot,Root"; 1364
1365 for (int pi = 0; pi < 2; pi++)
1366 {
1367 p = pet[pi];
1368
1369 if (!p)
1370 continue;
1371
1084 s = rxvt_splitcommastring(p); 1372 s = rxvt_splitcommastring (p);
1373
1085 for (i = found = 0; !found && s[i]; i++) { 1374 for (i = found = 0; !found && s[i]; i++)
1086 if (!STRCMP(s[i], "OverTheSpot")) 1375 {
1376 if (!strcmp (s[i], "OverTheSpot"))
1087 h->input_style = (XIMPreeditPosition | XIMStatusNothing); 1377 input_style = XIMPreeditPosition | XIMStatusNothing;
1088 else if (!STRCMP(s[i], "OffTheSpot")) 1378 else if (!strcmp (s[i], "OffTheSpot"))
1089 h->input_style = (XIMPreeditArea | XIMStatusArea); 1379 input_style = XIMPreeditArea | XIMStatusArea;
1090 else if (!STRCMP(s[i], "Root")) 1380 else if (!strcmp (s[i], "Root"))
1091 h->input_style = (XIMPreeditNothing | XIMStatusNothing); 1381 input_style = XIMPreeditNothing | XIMStatusNothing;
1382 else if (!strcmp (s[i], "None"))
1383 input_style = XIMPreeditNone | XIMStatusNone;
1384#ifdef ENABLE_XIM_ONTHESPOT
1385 else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1386 input_style = XIMPreeditCallbacks | XIMStatusNothing;
1387#endif
1388 else
1389 input_style = XIMPreeditNothing | XIMStatusNothing;
1092 1390
1093 for (j = 0; j < xim_styles->count_styles; j++) 1391 for (j = 0; j < xim_styles->count_styles; j++)
1094 if (h->input_style == xim_styles->supported_styles[j]) { 1392 if (input_style == xim_styles->supported_styles[j])
1095 found = 1; 1393 {
1096 break; 1394 rxvt_freecommastring (s);
1395
1396 found = 1;
1397 goto foundpet;
1398 }
1399
1400 }
1401
1402 rxvt_freecommastring (s);
1097 } 1403 }
1098 } 1404
1099 for (i = 0; s[i]; i++) 1405foundpet:
1100 free(s[i]); 1406
1101 free(s);
1102 XFree(xim_styles); 1407 XFree (xim_styles);
1103 1408
1104 if (!found) { 1409 if (!found)
1105 XCloseIM(xim);
1106 return False;
1107 } 1410 {
1411 im_destroy ();
1412 return false;
1413 }
1108 1414
1109 ximcallback.callback = rxvt_IMDestroyCallback; 1415 XFontSet fs = 0;
1110
1111 /* XXX: not sure why we need this (as well as IC one below) */
1112 XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);
1113
1114 preedit_attr = status_attr = NULL; 1416 XVaNestedList preedit_attr = 0, status_attr = 0;
1115 1417
1418 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1419 {
1420 // fake us a font-set, please
1421 char **missing_charset_list;
1422 int missing_charset_count;
1423 char *def_string;
1424 char pat[512];
1425
1426 sprintf (pat,
1427 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1428 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1429 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1430 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1431 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1432 "*",
1433 fheight,
1434 fheight + 1, fheight - 1,
1435 fheight - 2, fheight + 2);
1436
1437 fs = XCreateFontSet (xdisp, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1438 &missing_charset_list, &missing_charset_count, &def_string);
1439
1440 if (missing_charset_list)
1441 XFreeStringList (missing_charset_list);
1442
1443 if (!fs)
1444 {
1445 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1446 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1447 }
1448 }
1449
1116 if (h->input_style & XIMPreeditPosition) { 1450 if (input_style & XIMPreeditPosition)
1117 rxvt_setSize(aR_ &rect); 1451 {
1118 rxvt_setPosition(aR_ &spot); 1452 im_set_size (rect);
1119 rxvt_setColor(aR_ &fg, &bg); 1453 im_set_position (spot);
1454 im_set_color (fg, bg);
1120 1455
1121 preedit_attr = XVaCreateNestedList(0, XNArea, &rect, 1456 preedit_attr = XVaCreateNestedList (0,
1122 XNSpotLocation, &spot, 1457 XNForeground, fg,
1123 XNForeground, fg, 1458 XNBackground, bg,
1124 XNBackground, bg, 1459 XNArea, &rect,
1125 //XNFontSet, R->TermWin.fontset, 1460 XNSpotLocation, &spot,
1126 NULL); 1461 XNFontSet, fs,
1127 } else if (h->input_style & XIMPreeditArea) {
1128 rxvt_setColor(aR_ &fg, &bg);
1129
1130 /*
1131 * The necessary width of preedit area is unknown
1132 * until create input context.
1133 */
1134 needed_rect.width = 0;
1135
1136 rxvt_setPreeditArea(aR_ &rect, &status_rect, &needed_rect);
1137
1138 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1139 XNForeground, fg,
1140 XNBackground, bg,
1141 //XNFontSet, R->TermWin.fontset,
1142 NULL);
1143 status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1144 XNForeground, fg,
1145 XNBackground, bg,
1146 //XNFontSet, R->TermWin.fontset,
1147 NULL); 1462 NULL);
1148 } 1463 }
1149 h->Input_Context = XCreateIC(xim, XNInputStyle, h->input_style, 1464 else if (input_style & XIMPreeditArea)
1150 XNClientWindow, R->TermWin.parent[0], 1465 {
1151 XNFocusWindow, R->TermWin.parent[0], 1466 im_set_color (fg, bg);
1152 XNDestroyCallback, &ximcallback, 1467
1153 preedit_attr ? XNPreeditAttributes : NULL, 1468 /*
1154 preedit_attr, 1469 * The necessary width of preedit area is unknown
1155 status_attr ? XNStatusAttributes : NULL, 1470 * until create input context.
1156 status_attr, NULL); 1471 */
1157 if (preedit_attr) 1472 needed_rect.width = 0;
1158 XFree(preedit_attr); 1473 im_set_preedit_area (rect, status_rect, needed_rect);
1159 if (status_attr) 1474
1160 XFree(status_attr); 1475 preedit_attr = XVaCreateNestedList (0,
1476 XNForeground, fg,
1477 XNBackground, bg,
1478 XNArea, &rect,
1479 XNFontSet, fs,
1480 NULL);
1481 status_attr = XVaCreateNestedList (0,
1482 XNForeground, fg,
1483 XNBackground, bg,
1484 XNArea, &status_rect,
1485 XNFontSet, fs,
1486 NULL);
1487 }
1488#if ENABLE_XIM_ONTHESPOT
1489 else if (input_style & XIMPreeditCallbacks)
1490 {
1491 im_set_position (spot);
1492
1493 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1494 xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1495 xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1496# if 0
1497 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1498# endif
1499
1500 preedit_attr = XVaCreateNestedList (0,
1501 XNSpotLocation, &spot,
1502 XNPreeditStartCallback, &xcb[0],
1503 XNPreeditDoneCallback , &xcb[1],
1504 XNPreeditDrawCallback , &xcb[2],
1505# if 0
1506 XNPreeditCaretCallback, &xcb[3],
1507# endif
1508 NULL);
1509 }
1510#endif
1511
1512 Input_Context = XCreateIC (xim,
1513 XNInputStyle, input_style,
1514 XNClientWindow, vt,
1515 XNFocusWindow, parent[0],
1516 preedit_attr ? XNPreeditAttributes : NULL,
1517 preedit_attr,
1518 status_attr ? XNStatusAttributes : NULL,
1519 status_attr, NULL);
1520
1521 if (preedit_attr) XFree (preedit_attr);
1522 if (status_attr) XFree (status_attr);
1523 if (fs) XFreeFontSet (xdisp, fs);
1524
1161 if (h->Input_Context == NULL) { 1525 if (Input_Context == NULL)
1162 rxvt_print_error("failed to create input context");
1163 XCloseIM(xim);
1164 return False;
1165 } 1526 {
1527 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1528 im_destroy ();
1529 return false;
1530 }
1531
1532#if 0
1533 // unfortunately, only the focus window is used by XIM, hard to fix
1534 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1535 vt_select_input ();
1536#endif
1537
1166 if (h->input_style & XIMPreeditArea) 1538 if (input_style & XIMPreeditArea)
1167 rxvt_IMSetStatusPosition(aR); 1539 IMSetStatusPosition ();
1168 D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection")); 1540
1169 return True; 1541 return true;
1170} 1542}
1171 1543
1172/* EXTPROTO */
1173void 1544void
1545rxvt_term::im_cb ()
1546{
1547 int i;
1548 const char *p;
1549 char **s;
1550 char buf[IMBUFSIZ];
1551
1552 make_current ();
1553
1554 im_destroy ();
1555
1556 if (Input_Context)
1557 return;
1558
1559#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1560 if (rs[Rs_imLocale])
1561 SET_LOCALE (rs[Rs_imLocale]);
1562#endif
1563
1564 p = rs[Rs_inputMethod];
1565 if (p && *p)
1566 {
1567 bool found = false;
1568
1569 s = rxvt_splitcommastring (p);
1570
1571 for (i = 0; s[i]; i++)
1572 {
1573 if (*s[i])
1574 {
1575 strcpy (buf, "@im=");
1576 strncat (buf, s[i], IMBUFSIZ - 5);
1577 if (IM_get_IC (buf))
1578 {
1579 found = true;
1580 break;
1581 }
1582 }
1583 }
1584
1585 rxvt_freecommastring (s);
1586
1587 if (found)
1588 goto done;
1589 }
1590
1591 /* try with XMODIFIERS env. var. */
1592 if (IM_get_IC (""))
1593 goto done;
1594
1595 /* try with no modifiers base IF the user didn't specify an IM */
1596 if (IM_get_IC ("@im=none"))
1597 goto done;
1598
1599done:
1600#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1601 if (rs[Rs_imLocale])
1602 SET_LOCALE (locale);
1603#endif
1604}
1605
1606void
1174rxvt_IMSetStatusPosition(pR) 1607rxvt_term::IMSetStatusPosition ()
1175{ 1608{
1176 XRectangle preedit_rect, status_rect, *needed_rect; 1609 XRectangle preedit_rect, status_rect, *needed_rect;
1177 XVaNestedList preedit_attr, status_attr; 1610 XVaNestedList preedit_attr, status_attr;
1178 1611
1179 if (R->h->Input_Context == NULL 1612 if (!Input_Context
1180 || !R->TermWin.focus 1613 || !focus
1181 || !(R->h->input_style & XIMPreeditArea) 1614 || !(input_style & XIMPreeditArea)
1182 || !rxvt_IMisRunning(aR)) 1615 || !IMisRunning ())
1183 return; 1616 return;
1184 1617
1185 /* Getting the necessary width of preedit area */ 1618 /* Getting the necessary width of preedit area */
1186 status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL); 1619 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1187 XGetICValues(R->h->Input_Context, XNStatusAttributes, status_attr, NULL); 1620 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1188 XFree(status_attr); 1621 XFree (status_attr);
1189 1622
1190 rxvt_setPreeditArea(aR_ &preedit_rect, &status_rect, needed_rect); 1623 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1624 XFree (needed_rect);
1191 1625
1192 preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL); 1626 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1193 status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL); 1627 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1194 1628
1195 XSetICValues(R->h->Input_Context, 1629 XSetICValues (Input_Context,
1196 XNPreeditAttributes, preedit_attr, 1630 XNPreeditAttributes, preedit_attr,
1197 XNStatusAttributes, status_attr, NULL); 1631 XNStatusAttributes, status_attr, NULL);
1198 1632
1199 XFree(preedit_attr); 1633 XFree (preedit_attr);
1200 XFree(status_attr); 1634 XFree (status_attr);
1201} 1635}
1202#endif /* USE_XIM */ 1636#endif /* USE_XIM */
1203
1204/*----------------------------------------------------------------------*/
1205rxvt_t *rxvt_current_term;
1206 1637
1207/*----------------------- end-of-file (C source) -----------------------*/ 1638/*----------------------- end-of-file (C source) -----------------------*/

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