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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 1.152 by root, Thu Dec 22 16:44:10 2005 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) 2003-2004 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 */
36 35
36#include <limits>
37
37#include <signal.h> 38#include <csignal>
39#include <cstring>
38 40
39#ifdef TTY_GID_SUPPORT 41#ifdef TTY_GID_SUPPORT
40# include <grp.h> 42# include <grp.h>
41#endif 43#endif
42 44
43#ifdef HAVE_TERMIOS_H 45#ifdef HAVE_TERMIOS_H
44# include <termios.h> 46# include <termios.h>
45#endif 47#endif
46 48
47/*----------------------------------------------------------------------*/ 49#ifdef KEYSYM_RESOURCE
48/* rxvt_init() */ 50# include "keyboard.h"
49/* LIBPROTO */ 51#endif
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))); 53vector<rxvt_term *> rxvt_term::termlist;
56 54
57 dR; 55static char curlocale[128];
58 if (rxvt_init_vars(aR) < 0) { 56
59 free(R); 57bool
60 return NULL; 58rxvt_set_locale (const char *locale)
59{
60 if (!locale || !strncmp (locale, curlocale, 128))
61 return false;
62
63 strncpy (curlocale, locale, 128);
64 setlocale (LC_CTYPE, curlocale);
65 return true;
66}
67
68#if ENABLE_COMBINING
69class rxvt_composite_vec rxvt_composite;
70
71text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
72{
73 compose_char *cc;
74
75 // break compose chains, as stupid readline really likes to duplicate
76 // composing characters for some reason near the end of a line.
77 cc = (*this)[c1];
78 while (cc)
61 } 79 {
80 if (cc->c2 == c2) return c1;
81 cc = (*this)[cc->c1];
82 }
62 83
63/* 84 // check to see wether this combination already exists otherwise
64 * Save and then give up any super-user privileges 85 for (cc = v.end (); cc-- > v.begin (); )
65 * If we need privileges in any area then we must specifically request it. 86 {
66 * We should only need to be root in these cases: 87 if (cc->c1 == c1 && cc->c2 == c2)
67 * 1. write utmp entries on some systems 88 return COMPOSE_LO + (cc - v.begin ());
68 * 2. chown tty on some systems 89 }
69 */
70 rxvt_privileges(aR_ SAVE);
71 rxvt_privileges(aR_ IGNORE);
72 90
73 rxvt_init_secondary(aR); 91 // allocate a new combination
92 if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
93 {
94 static int seen;
74 95
75 cmd_argv = rxvt_init_resources(aR_ argc, argv); 96 if (!seen++)
97 fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
76 98
77#if (MENUBAR_MAX) 99 return REPLACEMENT_CHAR;
78 rxvt_menubar_read(aR_ R->h->rs[Rs_menu]); 100 }
101
102 v.push_back (compose_char (c1, c2));
103
104 return v.size () - 1 + COMPOSE_LO;
105}
106
107int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
108{
109 compose_char *cc = (*this)[c];
110
111 if (!cc)
112 {
113 if (r) *r = c;
114 return 1;
115 }
116
117 int len = expand (cc->c1, r);
118
119 if (r) r += len;
120
121 if (cc->c2 != NOCHAR)
122 {
123 len++;
124 if (r) *r++ = cc->c2;
125 }
126
127 return len;
128
129}
130#endif
131
132rxvt_term::rxvt_term ()
133 :
134#if TRANSPARENT
135 rootwin_ev (this, &rxvt_term::rootwin_cb),
79#endif 136#endif
80#ifdef HAVE_SCROLLBARS 137#ifdef HAVE_SCROLLBARS
81 if (R->Options & Opt_scrollBar) 138 scrollbar_ev (this, &rxvt_term::x_cb),
82 scrollbar_setIdle(); /* set existence for size calculations */
83#endif 139#endif
84 140#ifdef MENUBAR
85 rxvt_Create_Windows(aR_ argc, argv); 141 menubar_ev (this, &rxvt_term::x_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 142#endif
93 143#ifdef CURSOR_BLINK
94#if 0 144 cursor_blink_ev (this, &rxvt_term::cursor_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 145#endif
146#ifdef TEXT_BLINK
147 text_blink_ev (this, &rxvt_term::text_blink_cb),
101#endif 148#endif
149#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
150 cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
151#endif
152#ifdef SELECTION_SCROLLING
153 sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
154#endif
155#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
156 slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
157#endif
158#ifdef POINTER_BLANK
159 pointer_ev (this, &rxvt_term::pointer_cb),
160#endif
161#ifdef USE_XIM
162 im_ev (this, &rxvt_term::im_cb),
163#endif
164 termwin_ev (this, &rxvt_term::x_cb),
165 vt_ev (this, &rxvt_term::x_cb),
166 check_ev (this, &rxvt_term::check_cb),
167 flush_ev (this, &rxvt_term::flush_cb),
168 destroy_ev (this, &rxvt_term::destroy_cb),
169 pty_ev (this, &rxvt_term::pty_cb),
170 incr_ev (this, &rxvt_term::incr_cb)
171{
172 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
102 173
174 termlist.push_back (this);
175
176#ifdef KEYSYM_RESOURCE
177 keyboard = new keyboard_manager;
178
179 if (!keyboard)
180 rxvt_fatal ("out of memory, aborting.\n");
181#endif
182}
183
184// clean up the most important stuff, do *not* call x or free mem etc.
185// for use before an emergency exit
186void rxvt_term::emergency_cleanup ()
187{
188 if (cmd_pid)
189 kill (-cmd_pid, SIGHUP);
190
191#ifdef UTMP_SUPPORT
192 privileged_utmp (RESTORE);
193#endif
194
195 pty.put ();
196}
197
198rxvt_term::~rxvt_term ()
199{
200 termlist.erase (find (termlist.begin (), termlist.end(), this));
201
202 emergency_cleanup ();
203
204#if ENABLE_STYLES
205 for (int i = RS_styleCount; --i; )
206 if (fontset[i] != fontset[0])
207 delete fontset[i];
208#endif
209 delete fontset[0];
210
211 if (display)
212 {
213 dDisp;
214
215 selection_clear ();
216
217#ifdef USE_XIM
218 im_destroy ();
219#endif
220#ifdef MENUBAR
221 if (menubarGC) XFreeGC (disp, menubarGC);
222#endif
223#ifdef XTERM_SCROLLBAR
224 if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
225 if (ShadowGC) XFreeGC (disp, ShadowGC);
226#endif
227#ifdef PLAIN_SCROLLBAR
228 if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
229#endif
230#ifdef NEXT_SCROLLBAR
231 if (blackGC) XFreeGC (disp, blackGC);
232 if (whiteGC) XFreeGC (disp, whiteGC);
233 if (grayGC) XFreeGC (disp, grayGC);
234 if (darkGC) XFreeGC (disp, darkGC);
235 if (stippleGC) XFreeGC (disp, stippleGC);
236 if (dimple) XFreePixmap (disp, dimple);
237 if (upArrow) XFreePixmap (disp, upArrow);
238 if (downArrow) XFreePixmap (disp, downArrow);
239 if (upArrowHi) XFreePixmap (disp, upArrowHi);
240 if (downArrowHi) XFreePixmap (disp, downArrowHi);
241#endif
242#if defined(MENUBAR) || defined(RXVT_SCROLLBAR)
243 if (topShadowGC) XFreeGC (disp, topShadowGC);
244 if (botShadowGC) XFreeGC (disp, botShadowGC);
245 if (scrollbarGC) XFreeGC (disp, scrollbarGC);
246#endif
247 if (gc) XFreeGC (disp, gc);
248
249#if defined(MENUBAR) && (MENUBAR_MAX > 1)
250 delete menuBar.drawable;
251 //if (menuBar.win)
252 // XDestroyWindow (disp, menuBar.win);
253#endif
254 delete drawable;
255 // destroy all windows
256 if (parent[0])
257 XDestroyWindow (disp, parent[0]);
258 }
259
260 // TODO: free pixcolours, colours should become part of rxvt_display
261
262 delete pix_colors_focused;
263#if OFF_FOCUS_FADING
264 delete pix_colors_unfocused;
265#endif
266
267 displays.put (display);
268
269 scr_release ();
270
271 /* clear all resources */
272 for (int i = 0; i < allocated.size (); i++)
273 free (allocated [i]);
274
275 free (selection.text);
276 // TODO: manage env vars in child only(!)
277 free (env_windowid);
278 free (env_display);
279 free (env_term);
280 free (env_colorfgbg);
281 free (locale);
282 free (v_buffer);
283 free (incr_buf);
284
285 delete envv;
286 delete argv;
287
288#ifdef KEYSYM_RESOURCE
289 delete keyboard;
290#endif
291}
292
293void
294rxvt_term::child_exit ()
295{
296 cmd_pid = 0;
297
298 if (!(options & Opt_hold))
299 destroy ();
300}
301
302void
303rxvt_term::destroy ()
304{
305 if (destroy_ev.active)
306 return;
307
308#if ENABLE_OVERLAY
309 scr_overlay_off ();
310#endif
311
312 if (display)
313 {
314#if USE_XIM
315 im_ev.stop (display);
316#endif
103#ifdef HAVE_SCROLLBARS 317#if HAVE_SCROLLBARS
104 if (R->Options & Opt_scrollBar) 318 scrollbar_ev.stop (display);
105 rxvt_Resize_scrollBar(aR); /* create and map scrollbar */
106#endif 319#endif
107#if (MENUBAR_MAX) 320#if MENUBAR
108 if (menubar_visible(r)) 321 menubar_ev.stop (display);
109 XMapWindow(R->Xdisplay, R->menuBar.win);
110#endif 322#endif
111#ifdef TRANSPARENT 323#if TRANSPARENT
112 if (R->Options & Opt_transparent) { 324 rootwin_ev.stop (display);
113 XSelectInput(R->Xdisplay, Xroot, PropertyChangeMask);
114 rxvt_check_our_parents(aR);
115 }
116#endif 325#endif
117 XMapWindow(R->Xdisplay, R->TermWin.vt); 326 incr_ev.stop ();
118 XMapWindow(R->Xdisplay, R->TermWin.parent[0]); 327 termwin_ev.stop (display);
119 328 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 } 329 }
177 rxvt_print_error("XError: Request: %d . %d, Error: %d", 330
178 event->request_code, event->minor_code, 331 check_ev.stop ();
179 event->error_code); 332 pty_ev.stop ();
180 /* XXX: probably should call rxvt_clean_exit() bypassing X routines */ 333#ifdef CURSOR_BLINK
181 exit(EXIT_FAILURE); 334 cursor_blink_ev.stop ();
182 /* NOTREACHED */ 335#endif
336#ifdef TEXT_BLINK
337 text_blink_ev.stop ();
338#endif
339#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
340 cont_scroll_ev.stop ();
341#endif
342#ifdef SELECTION_SCROLLING
343 sel_scroll_ev.stop ();
344#endif
345#ifdef POINTER_BLANK
346 pointer_ev.stop ();
347#endif
348
349 destroy_ev.start (0);
350}
351
352void
353rxvt_term::destroy_cb (time_watcher &w)
354{
355 SET_R (this);
356
357 delete this;
183} 358}
184 359
185/*----------------------------------------------------------------------*/ 360/*----------------------------------------------------------------------*/
186/* 361/*
187 * Exit gracefully, clearing the utmp entry and restoring tty attributes 362 * Exit gracefully, clearing the utmp entry and restoring tty attributes
188 * TODO: if debugging, this should free up any known resources if we can 363 * TODO: if debugging, this should free up any known resources if we can
189 */ 364 */
190/* EXTPROTO */ 365static XErrorHandler old_xerror_handler;
191void
192rxvt_clean_exit(void)
193{
194 dR;
195 366
196#ifdef DEBUG_SCREEN 367static void
197 rxvt_scr_release(aR); 368rxvt_emergency_cleanup ()
369{
370 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
371 (*t)->emergency_cleanup ();
372}
373
374#if ENABLE_FRILLS
375static void
376print_x_error (Display *dpy, XErrorEvent *event)
377{
378 char buffer[BUFSIZ];
379 char mesg[BUFSIZ];
380 char number[32];
381 char *mtype = "XlibMessage";
382 XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
383 XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
384 rxvt_warn ("An X Error occured, trying to continue after report.\n");
385 rxvt_warn ("%s: %s\n", mesg, buffer);
386 XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
387 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
388 sprintf(number, "%d", event->request_code);
389 XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
390 rxvt_warn ("(which is %s)\n", buffer);
391 if (event->request_code >= 128) {
392 XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
393 mesg, BUFSIZ);
394 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
395 }
396 if ((event->error_code == BadWindow) ||
397 (event->error_code == BadPixmap) ||
398 (event->error_code == BadCursor) ||
399 (event->error_code == BadFont) ||
400 (event->error_code == BadDrawable) ||
401 (event->error_code == BadColor) ||
402 (event->error_code == BadGC) ||
403 (event->error_code == BadIDChoice) ||
404 (event->error_code == BadValue) ||
405 (event->error_code == BadAtom)) {
406 if (event->error_code == BadValue)
407 XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
408 mesg, BUFSIZ);
409 else if (event->error_code == BadAtom)
410 XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
411 mesg, BUFSIZ);
412 else
413 XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
414 mesg, BUFSIZ);
415 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
416 }
417 XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
418 mesg, BUFSIZ);
419 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
420}
198#endif 421#endif
199#ifndef NO_SETOWNER_TTYDEV 422
200 rxvt_privileged_ttydev(aR_ RESTORE); 423int
201#endif 424rxvt_xerror_handler (Display *display, XErrorEvent *event)
202#ifdef UTMP_SUPPORT 425{
203 rxvt_privileged_utmp(aR_ RESTORE); 426 if (GET_R->allowedxerror == -1)
204#endif 427 GET_R->allowedxerror = event->error_code;
205#ifdef USE_XIM 428 else
206 if (R->h->Input_Context != NULL) {
207 XDestroyIC(R->h->Input_Context);
208 R->h->Input_Context = NULL;
209 } 429 {
430 // GET_R is most likely not the terminal which caused the error,
431 // so just output the error and continue
432#if ENABLE_FRILLS
433 print_x_error (display, event);
434#else
435 old_xerror_handler (display, event);
210#endif 436#endif
437 }
438
439 return 0;
440}
441
442int
443rxvt_xioerror_handler (Display *display)
444{
445 rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
446 DisplayString (display));
447 rxvt_emergency_cleanup ();
448 _exit (EXIT_FAILURE);
449}
450
451/*----------------------------------------------------------------------*/
452bool
453rxvt_term::init (int argc, const char *const *argv)
454{
455 SET_R (this);
456
457 set_locale ("");
458
459 if (!init_vars ())
460 return false;
461
462 init_secondary ();
463
464 const char **cmd_argv = init_resources (argc, argv);
465
466#ifdef KEYSYM_RESOURCE
467 keyboard->register_done ();
468#endif
469
470#if MENUBAR_MAX
471 menubar_read (rs[Rs_menu]);
472#endif
473#ifdef HAVE_SCROLLBARS
474 if (options & Opt_scrollBar)
475 scrollBar.setIdle (); /* set existence for size calculations */
476#endif
477
478 create_windows (argc, argv);
479
480 dDisp;
481
482 init_xlocale ();
483
484 scr_reset (); /* initialize screen */
485
486#if 0
487 XSynchronize (disp, True);
488#endif
489
490#ifdef HAVE_SCROLLBARS
491 if (options & Opt_scrollBar)
492 resize_scrollbar (); /* create and map scrollbar */
493#endif
494#if (MENUBAR_MAX)
495 if (menubar_visible ())
496 XMapWindow (disp, menuBar.win);
497#endif
498#ifdef TRANSPARENT
499 if (options & Opt_transparent)
500 {
501 XSelectInput (disp, display->root, PropertyChangeMask);
502 check_our_parents ();
503 rootwin_ev.start (display, display->root);
504 }
505#endif
506
507 XMapWindow (disp, vt);
508 XMapWindow (disp, parent[0]);
509
510 set_colorfgbg ();
511
512 init_command (cmd_argv);
513
514 free (cmd_argv);
515
516 pty_ev.start (pty.pty, EVENT_READ);
517
518 check_ev.start ();
519
520 return true;
521}
522
523static struct sig_handlers
524{
525 sig_watcher sw_chld, sw_term, sw_int;
526
527 void sig_chld (sig_watcher &w)
528 {
529 // we are being called for every SIGCHLD, find the corresponding term
530 int pid;
531
532 while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
533 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
534 if (pid == (*t)->cmd_pid)
535 {
536 (*t)->child_exit ();
537 break;
538 }
539 }
540
541 /*
542 * Catch a fatal signal and tidy up before quitting
543 */
544 void
545 sig_term (sig_watcher &w)
546 {
547#ifdef DEBUG_CMD
548 rxvt_warn ("caught signal %d, exiting.\n", w.signum);
549#endif
550 rxvt_emergency_cleanup ();
551 signal (w.signum, SIG_DFL);
552 kill (getpid (), w.signum);
553 }
554
555 sig_handlers ()
556 : sw_chld (this, &sig_handlers::sig_chld),
557 sw_term (this, &sig_handlers::sig_term),
558 sw_int (this, &sig_handlers::sig_term)
559 {
560 }
561} sig_handlers;
562
563void
564rxvt_init ()
565{
566 /*
567 * Save and then give up any super-user privileges
568 * If we need privileges in any area then we must specifically request it.
569 * We should only need to be root in these cases:
570 * 1. write utmp entries on some systems
571 * 2. chown tty on some systems
572 */
573 rxvt_privileges (SAVE);
574 rxvt_privileges (IGNORE);
575
576 signal (SIGHUP, SIG_IGN);
577 signal (SIGPIPE, SIG_IGN);
578
579 sig_handlers.sw_chld.start (SIGCHLD);
580 sig_handlers.sw_term.start (SIGTERM);
581 sig_handlers.sw_int.start (SIGINT);
582
583 /* need to trap SIGURG for SVR4 (Unixware) rlogin */
584 /* signal (SIGURG, SIG_DFL); */
585
586 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
587 // TODO: handle this with exceptions and tolerate the memory loss
588 XSetIOErrorHandler (rxvt_xioerror_handler);
211} 589}
212 590
213/* ------------------------------------------------------------------------- * 591/* ------------------------------------------------------------------------- *
214 * MEMORY ALLOCATION WRAPPERS * 592 * MEMORY ALLOCATION WRAPPERS *
215 * ------------------------------------------------------------------------- */ 593 * ------------------------------------------------------------------------- */
216/* EXTPROTO */ 594void *
595rxvt_malloc (size_t size)
596{
597 void *p = malloc (size);
598
599 if (!p)
600 rxvt_fatal ("memory allocation failure. aborting.\n");
601
602 return p;
603}
604
605void *
606rxvt_calloc (size_t number, size_t size)
607{
608 void *p = calloc (number, size);
609
610 if (!p)
611 rxvt_fatal ("memory allocation failure. aborting.\n");
612
613 return p;
614}
615
217void * 616void *
218rxvt_malloc(size_t size)
219{
220 void *p;
221
222 p = malloc(size);
223 if (p)
224 return p;
225
226 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
227 rxvt_clean_exit();
228 exit(EXIT_FAILURE);
229 /* NOTREACHED */
230}
231
232/* EXTPROTO */
233void *
234rxvt_calloc(size_t number, size_t size)
235{
236 void *p;
237
238 p = calloc(number, size);
239 if (p)
240 return p;
241
242 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
243 rxvt_clean_exit();
244 exit(EXIT_FAILURE);
245 /* NOTREACHED */
246}
247
248/* EXTPROTO */
249void *
250rxvt_realloc(void *ptr, size_t size) 617rxvt_realloc (void *ptr, size_t size)
251{ 618{
252 void *p;
253
254 if (ptr)
255 p = realloc(ptr, size); 619 void *p = realloc (ptr, size);
256 else 620
257 p = malloc(size);
258 if (p) 621 if (!p)
622 rxvt_fatal ("memory allocation failure. aborting.\n");
623
259 return p; 624 return p;
260
261 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
262 rxvt_clean_exit();
263 exit(EXIT_FAILURE);
264 /* NOTREACHED */
265} 625}
626
266/* ------------------------------------------------------------------------- * 627/* ------------------------------------------------------------------------- *
267 * PRIVILEGED OPERATIONS * 628 * PRIVILEGED OPERATIONS *
268 * ------------------------------------------------------------------------- */ 629 * ------------------------------------------------------------------------- */
269/* take care of suid/sgid super-user (root) privileges */ 630/* take care of suid/sgid super-user (root) privileges */
270/* INTPROTO */
271void 631void
272rxvt_privileges(pR_ int mode) 632rxvt_privileges (rxvt_privaction action)
273{ 633{
634#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
635 static uid_t euid;
636 static gid_t egid;
637#endif
638
274#if ! defined(__CYGWIN32__) 639#if ! defined(__CYGWIN32__)
275# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) 640# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
276/* setreuid() is the poor man's setuid(), seteuid() */ 641 /* setreuid () is the poor man's setuid (), seteuid () */
277# define seteuid(a) setreuid(-1, (a)) 642# define seteuid(a) setreuid(-1, (a))
278# define setegid(a) setregid(-1, (a)) 643# define setegid(a) setregid(-1, (a))
279# define HAVE_SETEUID 644# define HAVE_SETEUID
280# endif 645# endif
281# ifdef HAVE_SETEUID 646# ifdef HAVE_SETEUID
282 switch (mode) { 647 switch (action)
648 {
283 case IGNORE: 649 case IGNORE:
284 /* 650 /*
285 * change effective uid/gid - not real uid/gid - so we can switch 651 * change effective uid/gid - not real uid/gid - so we can switch
286 * back to root later, as required 652 * back to root later, as required
287 */ 653 */
288 seteuid(getuid()); 654 seteuid (getuid ());
289 setegid(getgid()); 655 setegid (getgid ());
290 break; 656 break;
291 case SAVE: 657 case SAVE:
292 R->h->euid = geteuid(); 658 euid = geteuid ();
293 R->h->egid = getegid(); 659 egid = getegid ();
294 break; 660 break;
295 case RESTORE: 661 case RESTORE:
296 seteuid(R->h->euid); 662 seteuid (euid);
297 setegid(R->h->egid); 663 setegid (egid);
298 break; 664 break;
299 } 665 }
300# else 666# else
301 switch (mode) { 667 switch (action)
668 {
302 case IGNORE: 669 case IGNORE:
303 setuid(getuid()); 670 setuid (getuid ());
304 setgid(getgid()); 671 setgid (getgid ());
305 /* FALLTHROUGH */ 672 /* FALLTHROUGH */
306 case SAVE: 673 case SAVE:
307 /* FALLTHROUGH */ 674 /* FALLTHROUGH */
308 case RESTORE: 675 case RESTORE:
309 break; 676 break;
310 } 677 }
311# endif 678# endif
312#endif 679#endif
313} 680}
314 681
315#ifdef UTMP_SUPPORT 682#ifdef UTMP_SUPPORT
316/* EXTPROTO */
317void 683void
318rxvt_privileged_utmp(pR_ char action) 684rxvt_term::privileged_utmp (rxvt_privaction action)
319{ 685{
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) 686 if ((options & Opt_utmpInhibit)
326 || h->ttydev == NULL 687 || !pty.name || !*pty.name)
327 || *h->ttydev == '\0') 688 return;
328 return;
329 689
330 rxvt_privileges(aR_ RESTORE); 690 rxvt_privileges (RESTORE);
691
331 if (action == SAVE) { 692 if (action == SAVE)
332 h->next_utmp_action = RESTORE; 693 makeutent (pty.name, rs[Rs_display_name]);
333 rxvt_makeutent(aR_ h->ttydev, h->rs[Rs_display_name]); 694 else
334 } else { /* action == RESTORE */ 695 cleanutent ();
335 h->next_utmp_action = IGNORE; 696
336 rxvt_cleanutent(aR);
337 }
338 rxvt_privileges(aR_ IGNORE); 697 rxvt_privileges (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} 698}
391#endif 699#endif
392 700
393/*----------------------------------------------------------------------*/ 701/*----------------------------------------------------------------------*/
394/* 702/*
395 * window size/position calculcations for XSizeHint and other storage. 703 * window size/position calculcations for XSizeHint and other storage.
396 * if width/height are non-zero then override calculated width/height 704 * if width/height are non-zero then override calculated width/height
397 */ 705 */
398/* EXTPROTO */
399void 706void
400rxvt_window_calc(pR_ unsigned int width, unsigned int height) 707rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
401{ 708{
402 short recalc_x, recalc_y; 709 short recalc_x, recalc_y;
403 int x, y, sb_w, mb_h, flags; 710 int x, y, sb_w, mb_h, flags;
404 unsigned int w, h; 711 unsigned int w, h;
405 unsigned int max_width, max_height; 712 unsigned int max_width, max_height;
713 dDisp;
406 714
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)); 715 D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
716 ncol, nrow, szHint.width, szHint.height));
717
408 R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; 718 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
409 R->szHint.win_gravity = NorthWestGravity; 719 szHint.win_gravity = NorthWestGravity;
410 /* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */ 720 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
411 721
412 recalc_x = recalc_y = 0; 722 recalc_x = recalc_y = 0;
413 flags = 0; 723 flags = 0;
724
414 if (!R->h->parsed_geometry) { 725 if (!parsed_geometry)
726 {
415 R->h->parsed_geometry = 1; 727 parsed_geometry = 1;
728
416 if (R->h->rs[Rs_geometry]) 729 if (rs[Rs_geometry])
417 flags = XParseGeometry(R->h->rs[Rs_geometry], &x, &y, &w, &h); 730 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
731
418 if (flags & WidthValue) { 732 if (flags & WidthValue)
419 R->TermWin.ncol = BOUND_POSITIVE_INT16(w); 733 {
420 R->szHint.flags |= USSize; 734 ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
421 } 735 szHint.flags |= USSize;
736 }
737
422 if (flags & HeightValue) { 738 if (flags & HeightValue)
423 R->TermWin.nrow = BOUND_POSITIVE_INT16(h); 739 {
424 R->szHint.flags |= USSize; 740 nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
425 } 741 szHint.flags |= USSize;
742 }
743
426 if (flags & XValue) { 744 if (flags & XValue)
427 R->szHint.x = x; 745 {
746 szHint.x = x;
428 R->szHint.flags |= USPosition; 747 szHint.flags |= USPosition;
748
429 if (flags & XNegative) { 749 if (flags & XNegative)
430 recalc_x = 1; 750 {
751 recalc_x = 1;
431 R->szHint.win_gravity = NorthEastGravity; 752 szHint.win_gravity = NorthEastGravity;
753 }
754 }
755
756 if (flags & YValue)
757 {
758 szHint.y = y;
759 szHint.flags |= USPosition;
760
761 if (flags & YNegative)
762 {
763 recalc_y = 1;
764
765 if (szHint.win_gravity == NorthEastGravity)
766 szHint.win_gravity = SouthEastGravity;
767 else
768 szHint.win_gravity = SouthWestGravity;
769 }
770 }
432 } 771 }
433 } 772
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 */ 773 /* TODO: BOUNDS */
447 R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth; 774 width = ncol * fwidth;
448 R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight; 775 height = nrow * fheight;
449 max_width = MAX_COLS * R->TermWin.fwidth; 776 max_width = MAX_COLS * fwidth;
450 max_height = MAX_ROWS * R->TermWin.fheight; 777 max_height = MAX_ROWS * fheight;
451 778
452 R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth; 779 szHint.base_width = szHint.base_height = 2 * int_bwidth;
453 780
454 sb_w = mb_h = 0; 781 sb_w = mb_h = 0;
455 R->h->window_vt_x = R->h->window_vt_y = 0; 782 window_vt_x = window_vt_y = int_bwidth;
783
456 if (scrollbar_visible(R)) { 784 if (scrollbar_visible ())
785 {
457 sb_w = scrollbar_TotalWidth(); 786 sb_w = scrollbar_TotalWidth ();
458 R->szHint.base_width += sb_w; 787 szHint.base_width += sb_w;
459 if (!(R->Options & Opt_scrollBar_right)) 788 if (!(options & Opt_scrollBar_right))
460 R->h->window_vt_x = sb_w; 789 window_vt_x += sb_w;
461 } 790 }
791
462 if (menubar_visible(R)) { 792 if (menubar_visible ())
793 {
463 mb_h = menuBar_TotalHeight(); 794 mb_h = menuBar_TotalHeight ();
464 R->szHint.base_height += mb_h; 795 szHint.base_height += mb_h;
465 R->h->window_vt_y = mb_h; 796 window_vt_y += mb_h;
466 } 797 }
798
467 R->szHint.width_inc = R->TermWin.fwidth; 799 szHint.width_inc = fwidth;
468 R->szHint.height_inc = R->TermWin.fheight; 800 szHint.height_inc = fheight;
469 R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc; 801 szHint.min_width = szHint.base_width + szHint.width_inc;
470 R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc; 802 szHint.min_height = szHint.base_height + szHint.height_inc;
471 803
472 if (width && width - R->szHint.base_width < max_width) { 804 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 } 805 {
806 szHint.width = newwidth;
807 width = newwidth - szHint.base_width;
808 }
809 else
810 {
811 min_it (width, max_width);
812 szHint.width = szHint.base_width + width;
813 }
814
479 if (height && height - R->szHint.base_height < max_height) { 815 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 } 816 {
817 szHint.height = newheight;
818 height = newheight - szHint.base_height;
819 }
820 else
821 {
822 min_it (height, max_height);
823 szHint.height = szHint.base_height + height;
824 }
825
486 if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right)) 826 if (scrollbar_visible () && (options & Opt_scrollBar_right))
487 R->h->window_sb_x = R->szHint.width - sb_w; 827 window_sb_x = szHint.width - sb_w;
488 828
489 if (recalc_x) 829 if (recalc_x)
490 R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen) 830 szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
491 - R->szHint.width - 2 * R->TermWin.ext_bwidth);
492 if (recalc_y) 831 if (recalc_y)
493 R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen) 832 szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
494 - R->szHint.height - 2 * R->TermWin.ext_bwidth);
495 833
496 R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth; 834 ncol = width / fwidth;
497 R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight; 835 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)); 836 D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
837 ncol, nrow, szHint.width,
838 szHint.height));
499 return; 839 return;
500} 840}
501 841
502/*----------------------------------------------------------------------*/ 842/*----------------------------------------------------------------------*/
503/* 843/*
504 * Tell the teletype handler what size the window is. 844 * Tell the teletype handler what size the window is.
505 * Called after a window size change. 845 * Called after a window size change.
506 */ 846 */
507/* EXTPROTO */
508void 847void
509rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid) 848rxvt_term::tt_winch ()
510{ 849{
850 if (pty.pty < 0)
851 return;
852
511 struct winsize ws; 853 struct winsize ws;
512 854
513 if (fd < 0)
514 return;
515 ws.ws_col = col; 855 ws.ws_col = ncol;
516 ws.ws_row = row; 856 ws.ws_row = nrow;
517 ws.ws_xpixel = ws.ws_ypixel = 0; 857 ws.ws_xpixel = width;
518#ifndef DEBUG_SIZE 858 ws.ws_ypixel = height;
519 (void)ioctl(fd, TIOCSWINSZ, &ws); 859 (void)ioctl (pty.pty, TIOCSWINSZ, &ws);
520#else 860
521 if (ioctl(fd, TIOCSWINSZ, &ws) < 0) { 861#if 0
522 D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd)); 862 // TIOCSWINSZ⎈ is supposed to do this automatically and correctly
523 }
524# ifdef SIGWINCH
525 else if (pid) /* force through to the command */ 863 if (cmd_pid) /* force through to the command */
526 kill(pid, SIGWINCH); 864 kill (-cmd_pid, SIGWINCH);
527# endif
528#endif 865#endif
529} 866}
530 867
531/*----------------------------------------------------------------------*/ 868/*----------------------------------------------------------------------*/
532/* rxvt_change_font() - Switch to a new font */ 869/* set_fonts () - load and set the various fonts
533/* 870 *
534 * init = 1 - initialize 871 * init = 1 - initialize
535 * 872 *
536 * fontname == FONT_UP - switch to bigger font 873 * fontname == FONT_UP - switch to bigger font
537 * fontname == FONT_DN - switch to smaller font 874 * fontname == FONT_DN - switch to smaller font
538 */ 875 */
539/* EXTPROTO */ 876bool
540void 877rxvt_term::set_fonts ()
541rxvt_change_font(pR_ int init, const char *fontname)
542{ 878{
543} 879 rxvt_fontset *fs = new rxvt_fontset (this);
880 rxvt_fontprop prop;
544 881
545/* INTPROTO */ 882 if (!fs
546void 883 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
547rxvt_font_up_down(pR_ int n, int direction) 884 || !fs->realize_font (1))
885 {
886 delete fs;
887 return false;
888 }
889
890#if ENABLE_STYLES
891 for (int i = RS_styleCount; --i; )
892 if (fontset[i] != fontset[0])
893 delete fontset[i];
894#endif
895
896 delete fontset[0];
897 fontset[0] = fs;
898
899 prop = (*fs)[1]->properties ();
900 prop.height += lineSpace;
901 fs->set_prop (prop);
902
903 fwidth = prop.width;
904 fheight = prop.height;
905 fbase = (*fs)[1]->ascent;
906
907 for (int style = 1; style < 4; style++)
908 {
909#if ENABLE_STYLES
910 const char *res = rs[Rs_font + style];
911
912 if (res && !*res)
913 fontset[style] = fontset[0];
914 else
915 {
916 fontset[style] = fs = new rxvt_fontset (this);
917 rxvt_fontprop prop2 = prop;
918
919 if (res)
920 prop2.weight = prop2.slant = rxvt_fontprop::unset;
921 else
922 {
923 res = fontset[0]->fontdesc;
924
925 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
926 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
927 }
928
929 fs->populate (res);
930 fs->set_prop (prop2);
931 }
932#else
933 fontset[style] = fontset[0];
934#endif
935 }
936
937 if (parent[0])
938 {
939 resize_all_windows (0, 0, 0);
940 scr_remap_chars ();
941 scr_touch (true);
942 }
943
944 return true;
945}
946
947void rxvt_term::set_string_property (Atom prop, const char *str, int len)
548{ 948{
949 // TODO: SMART_WINDOW_TITLE
950 XChangeProperty (display->display, parent[0],
951 prop, XA_STRING, 8, PropModeReplace,
952 (const unsigned char *)str, len >= 0 ? len : strlen (str));
953}
954
955void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
956{
957 // TODO: SMART_WINDOW_TITLE
958 wchar_t *ws = rxvt_mbstowcs (str, len);
959 char *s = rxvt_wcstoutf8 (ws);
960
961 XChangeProperty (display->display, parent[0],
962 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
963 (const unsigned char *)s, strlen (s));
964
965 free (s);
966 free (ws);
549} 967}
550 968
551/*----------------------------------------------------------------------*/ 969/*----------------------------------------------------------------------*/
552/*----------------------------------------------------------------------*/ 970/*----------------------------------------------------------------------*/
553/* xterm sequences - title, iconName, color (exptl) */ 971/* xterm sequences - title, iconName, color (exptl) */
554/* EXTPROTO */
555void 972void
556rxvt_set_title(pR_ const char *str) 973rxvt_term::set_title (const char *str)
557{ 974{
558#ifndef SMART_WINDOW_TITLE 975 set_string_property (XA_WM_NAME, str);
559 XStoreName(R->Xdisplay, R->TermWin.parent[0], str); 976#if ENABLE_EWMH
977 set_utf8_property (xa[XA_NET_WM_NAME], str);
978#endif
979}
980
981void
982rxvt_term::set_icon_name (const char *str)
983{
984 set_string_property (XA_WM_ICON_NAME, str);
985#if ENABLE_EWMH
986 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
987#endif
988}
989
990#ifdef XTERM_COLOR_CHANGE
991void
992rxvt_term::set_window_color (int idx, const char *color)
993{
994 rxvt_color xcol;
995 int i;
996
997 if (color == NULL || *color == '\0')
998 return;
999
1000 /* handle color aliases */
1001 if (isdigit (*color))
1002 {
1003 i = atoi (color);
1004
1005 if (i >= 8 && i <= 15)
1006 { /* bright colors */
1007 i -= 8;
1008# ifndef NO_BRIGHTCOLOR
1009 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
1010 SET_PIXCOLOR (idx);
1011 goto done;
1012# endif
1013 }
1014
1015 if (i >= 0 && i <= 7)
1016 { /* normal colors */
1017 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
1018 SET_PIXCOLOR (idx);
1019 goto done;
1020 }
1021 }
1022
1023 if (!rXParseAllocColor (&xcol, color))
1024 return;
1025
1026 /* XStoreColor (display->display, display->cmap, XColor*); */
1027
1028 /*
1029 * FIXME: should free colors here, but no idea how to do it so instead,
1030 * so just keep gobbling up the colormap
1031 */
1032# if 0
1033 for (i = Color_Black; i <= Color_White; i++)
1034 if (pix_colors[idx] == pix_colors[i])
1035 break;
1036 if (i > Color_White)
1037 {
1038 /* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
1039 XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
1040 DisplayPlanes (display->display, display->screen));
1041 }
1042# endif
1043
1044 pix_colors_focused[idx] = xcol;
1045 SET_PIXCOLOR (idx);
1046
1047 /* XSetWindowAttributes attr; */
1048 /* Cursor cursor; */
1049done:
1050
1051#if OFF_FOCUS_FADING
1052 if (rs[Rs_fade])
1053 pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
1054#endif
1055
1056 /*TODO: handle Color_BD, scrollbar background, etc. */
1057
1058 recolour_cursor ();
1059 scr_recolour ();
1060}
1061
560#else 1062#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) 1063# define set_window_color (idx,color) ((void)0)
657#endif /* XTERM_COLOR_CHANGE */ 1064#endif /* XTERM_COLOR_CHANGE */
658 1065
659/* EXTPROTO */
660void 1066void
661rxvt_recolour_cursor(pR) 1067rxvt_term::recolour_cursor ()
662{ 1068{
663 rxvt_color xcol[2]; 1069 XColor xcol[2];
664 1070
665#if TODO 1071 xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
666 xcol[0] = R->PixColors[Color_pointer]; 1072 ? pix_colors_focused[Color_pointer_fg]
667 xcol[1] = R->PixColors[Color_bg]; 1073 : pix_colors_focused[Color_fg];
668 XQueryColors(R->Xdisplay, XCMAP, xcol, 2); 1074 xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
1075 ? pix_colors_focused[Color_pointer_bg]
1076 : pix_colors_focused[Color_bg];
1077
1078 XQueryColors (display->display, display->cmap, xcol, 2);
669 XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1])); 1079 XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
670#endif
671} 1080}
672 1081
673/*----------------------------------------------------------------------*/ 1082/*----------------------------------------------------------------------*/
674/* 1083/*
675 * find if fg/bg matches any of the normal (low-intensity) colors 1084 * find if fg/bg matches any of the normal (low-intensity) colors
676 */ 1085 */
677/* INTPROTO */
678void 1086void
679rxvt_set_colorfgbg(pR) 1087rxvt_term::set_colorfgbg ()
680{ 1088{
681 unsigned int i; 1089 unsigned int i;
682 const char *xpmb = "\0"; 1090 const char *xpmb = "\0";
683 char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1]; 1091 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
684 1092
685 R->h->env_colorfgbg = (char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1); 1093 env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
686 STRCPY(fstr, "default"); 1094 strcpy (fstr, "default");
687 STRCPY(bstr, "default"); 1095 strcpy (bstr, "default");
688 for (i = Color_Black; i <= Color_White; i++) 1096 for (i = Color_Black; i <= Color_White; i++)
689 if (R->PixColors[Color_fg] == R->PixColors[i]) { 1097 if (pix_colors[Color_fg] == pix_colors[i])
1098 {
690 sprintf(fstr, "%d", (i - Color_Black)); 1099 sprintf (fstr, "%d", (i - Color_Black));
691 break; 1100 break;
692 } 1101 }
1102
693 for (i = Color_Black; i <= Color_White; i++) 1103 for (i = Color_Black; i <= Color_White; i++)
694 if (R->PixColors[Color_bg] == R->PixColors[i]) { 1104 if (pix_colors[Color_bg] == pix_colors[i])
1105 {
695 sprintf(bstr, "%d", (i - Color_Black)); 1106 sprintf (bstr, "%d", (i - Color_Black));
696#ifdef XPM_BACKGROUND 1107#ifdef XPM_BACKGROUND
697 xpmb = "default;"; 1108 xpmb = "default;";
698#endif 1109#endif
699 break; 1110 break;
700 } 1111 }
1112
701 sprintf(R->h->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); 1113 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} 1114}
714 1115
715/*----------------------------------------------------------------------*/ 1116/*----------------------------------------------------------------------*/
716/*
717 * Colour determination for low colour displays, routine from
718 * Hans de Goede <hans@highrise.nl>
719 */
720 1117
721/* EXTPROTO */
722int 1118int
723rxvt_rXParseAllocColor(pR_ rxvt_color *screen_in_out, const char *colour) 1119rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
724{ 1120{
725 screen_in_out->set (aR_ colour);
726
727 if (!screen_in_out->set (aR_ colour)) 1121 if (!screen_in_out->set (display, colour))
728 { 1122 {
729 rxvt_print_error("can't allocate colour: %s", colour); 1123 rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
730 return false; 1124 return false;
731 } 1125 }
732 1126
733 return true; 1127 return true;
734} 1128}
735 1129
736/* -------------------------------------------------------------------- * 1130/* -------------------------------------------------------------------- *
737 * - WINDOW RESIZING - * 1131 * - WINDOW RESIZING - *
738 * -------------------------------------------------------------------- */ 1132 * -------------------------------------------------------------------- */
739/* EXTPROTO */
740void 1133void
741rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height, int ignoreparent) 1134rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
742{ 1135{
743 int fix_screen; 1136 int fix_screen;
1137 int old_width = szHint.width, old_height = szHint.height;
1138 dDisp;
1139
1140 window_calc (newwidth, newheight);
1141 XSetWMNormalHints (disp, parent[0], &szHint);
1142
1143 if (!ignoreparent)
1144 {
744#ifdef SMART_RESIZE 1145#ifdef SMART_RESIZE
745 int old_width = R->szHint.width, 1146 /*
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> 1147 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
755 * reposition window on resize depending on placement on screen 1148 * reposition window on resize depending on placement on screen
756 */ 1149 */
757 int x, y, x1, y1; 1150 int x, y, x1, y1;
758 int dx, dy; 1151 int dx, dy;
759 unsigned int unused_w1, unused_h1, unused_b1, unused_d1; 1152 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
760 Window unused_cr; 1153 Window unused_cr;
761 1154
762 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot, 1155 XTranslateCoordinates (disp, parent[0], display->root,
763 0, 0, &x, &y, &unused_cr); 1156 0, 0, &x, &y, &unused_cr);
764 XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1, 1157 XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
765 &unused_w1, &unused_h1, &unused_b1, &unused_d1); 1158 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
766 /* 1159 /*
767 * if Xroot isn't the parent window, a WM will probably have offset 1160 * if display->root isn't the parent window, a WM will probably have offset
768 * our position for handles and decorations. Counter it 1161 * our position for handles and decorations. Counter it
769 */ 1162 */
770 if (x1 != x || y1 != y) { 1163 if (x1 != x || y1 != y)
1164 {
771 x -= x1; 1165 x -= x1;
772 y -= y1; 1166 y -= y1;
773 } 1167 }
774 1168
775 x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2; 1169 x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
776 y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2; 1170 y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
777 dx = old_width - R->szHint.width; 1171 dx = old_width - szHint.width;
778 dy = old_height - R->szHint.height; 1172 dy = old_height - szHint.height;
779 1173
780 /* Check position of the center of the window */ 1174 /* Check position of the center of the window */
781 if (x < x1) /* left half */ 1175 if (x < x1) /* left half */
782 dx = 0; 1176 dx = 0;
783 else if (x == x1) /* exact center */ 1177 else if (x == x1) /* exact center */
784 dx /= 2; 1178 dx /= 2;
785 if (y < y1) /* top half */ 1179 if (y < y1) /* top half */
786 dy = 0; 1180 dy = 0;
787 else if (y == y1) /* exact center */ 1181 else if (y == y1) /* exact center */
788 dy /= 2; 1182 dy /= 2;
789 1183
790 XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy, 1184 XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
791 R->szHint.width, R->szHint.height); 1185 szHint.width, szHint.height);
792#else 1186#else
793 XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width, 1187 XResizeWindow (disp, parent[0], szHint.width, szHint.height);
794 R->szHint.height);
795#endif 1188#endif
796 } 1189 }
797 1190
798 fix_screen = (R->TermWin.ncol != R->h->prev_ncol 1191 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
799 || R->TermWin.nrow != R->h->prev_nrow); 1192
800 if (fix_screen || width != R->h->old_width || height != R->h->old_height) { 1193 if (fix_screen || newwidth != old_width || newheight != old_height)
1194 {
801 if (scrollbar_visible(R)) { 1195 if (scrollbar_visible ())
802 XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->h->window_sb_x, 1196 {
803 0, scrollbar_TotalWidth(), R->szHint.height); 1197 XMoveResizeWindow (disp, scrollBar.win,
804 rxvt_Resize_scrollBar(aR); 1198 window_sb_x, 0,
805 } 1199 scrollbar_TotalWidth (), szHint.height);
1200 resize_scrollbar ();
1201 }
1202
806 if (menubar_visible(R)) 1203 if (menubar_visible ())
807 XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->h->window_vt_x, 1204 XMoveResizeWindow (disp, menuBar.win,
808 0, TermWin_TotalWidth(), menuBar_TotalHeight()); 1205 window_vt_x, 0,
809 XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->h->window_vt_x, 1206 TermWin_TotalWidth (), menuBar_TotalHeight ());
810 R->h->window_vt_y, TermWin_TotalWidth(), 1207
811 TermWin_TotalHeight()); 1208 XMoveResizeWindow (disp, vt,
812#ifdef RXVT_GRAPHICS 1209 window_vt_x, window_vt_y,
813 if (R->h->old_height) 1210 TermWin_TotalWidth (), TermWin_TotalHeight ());
814 rxvt_Gr_Resize(aR_ R->h->old_width - R->szHint.base_width, 1211
815 R->h->old_height - R->szHint.base_height); 1212 scr_clear ();
816#endif
817 rxvt_scr_clear(aR);
818#ifdef XPM_BACKGROUND 1213#ifdef XPM_BACKGROUND
819 rxvt_resize_pixmap(aR); 1214 resize_pixmap ();
820#endif 1215#endif
821 } 1216 }
822 1217
823 if (fix_screen || R->h->old_height == 0) { 1218 if (fix_screen || old_height == 0)
824 int curr_screen = -1; 1219 {
825 uint16_t old_ncol = R->h->prev_ncol; 1220 int curr_screen = -1;
1221 int old_ncol = prev_ncol;
826 1222
827 /* scr_reset only works on the primary screen */ 1223 /* scr_reset only works on the primary screen */
828 if (R->h->old_height) /* this is not the first time through */ 1224 if (old_height) /* this is not the first time through */
1225 {
1226 unsigned int ocol = ncol;
1227 ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
829 curr_screen = rxvt_scr_change_screen(aR_ PRIMARY); 1228 curr_screen = scr_change_screen (PRIMARY);
830 rxvt_scr_reset(aR); 1229 ncol = ocol;
1230 }
1231
1232 scr_reset ();
1233
831 if (curr_screen >= 0) { /* this is not the first time through */ 1234 if (curr_screen >= 0) /* this is not the first time through */
832 rxvt_scr_change_screen(aR_ curr_screen); 1235 {
833 rxvt_selection_check(aR_ (old_ncol != R->TermWin.ncol ? 4 : 0)); 1236 scr_change_screen (curr_screen);
834 } 1237 selection_check (old_ncol != ncol ? 4 : 0);
1238 }
835 } 1239 }
836 1240
837 R->h->old_width = R->szHint.width; 1241 old_width = szHint.width;
838 R->h->old_height = R->szHint.height; 1242 old_height = szHint.height;
1243
1244#ifdef XPM_BACKGROUND
1245 if (pixmap)
1246 scr_touch (false);
1247#endif
839 1248
840#ifdef USE_XIM 1249#ifdef USE_XIM
841 rxvt_IMSetStatusPosition(aR); 1250 IMSetStatusPosition ();
842#endif 1251#endif
843} 1252}
844 1253
845/* 1254/*
846 * Set the width/height of the vt window in characters. Units are pixels. 1255 * Set the width/height of the vt window in characters. Units are pixels.
847 * good for toggling 80/132 columns 1256 * good for toggling 80/132 columns
848 */ 1257 */
849/* EXTPROTO */
850void 1258void
851rxvt_set_widthheight(pR_ unsigned int width, unsigned int height) 1259rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
852{ 1260{
853 XWindowAttributes wattr; 1261 XWindowAttributes wattr;
854 1262
855 if (width == 0 || height == 0) { 1263 if (newwidth == 0 || newheight == 0)
1264 {
856 XGetWindowAttributes(R->Xdisplay, Xroot, &wattr); 1265 XGetWindowAttributes (display->display, display->root, &wattr);
1266
857 if (width == 0) 1267 if (newwidth == 0)
858 width = wattr.width - R->szHint.base_width; 1268 newwidth = wattr.width - szHint.base_width;
859 if (height == 0) 1269 if (newheight == 0)
860 height = wattr.height - R->szHint.base_height; 1270 newheight = wattr.height - szHint.base_height;
1271 }
1272
1273 if (newwidth != width || newheight != height)
861 } 1274 {
862 if (width != R->TermWin.width || height != R->TermWin.height) {
863 width += R->szHint.base_width; 1275 newwidth += szHint.base_width;
864 height += R->szHint.base_height; 1276 newheight += szHint.base_height;
865 rxvt_resize_all_windows(aR_ width, height, 0); 1277 resize_all_windows (newwidth, newheight, 0);
866 } 1278 }
867} 1279}
868 1280
869/* -------------------------------------------------------------------- * 1281/* -------------------------------------------------------------------- *
870 * - X INPUT METHOD ROUTINES - * 1282 * - X INPUT METHOD ROUTINES - *
871 * -------------------------------------------------------------------- */ 1283 * -------------------------------------------------------------------- */
872#ifdef USE_XIM 1284#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 1285
883/* INTPROTO */
884void 1286void
885rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg) 1287rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
886{ 1288{
887 *fg = R->PixColors[Color_fg]; 1289 fg = pix_colors[Color_fg];
888 *bg = R->PixColors[Color_bg]; 1290 bg = pix_colors[Color_bg];
1291}
1292
1293void
1294rxvt_term::im_set_size (XRectangle &size)
1295{
1296 // the int_bwidth terms make no sense to me
1297 size.x = int_bwidth;
1298 size.y = int_bwidth;
1299 size.width = Width2Pixel (ncol) + int_bwidth;
1300 size.height = Height2Pixel (nrow) + int_bwidth;
1301}
1302
1303void
1304rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1305 XRectangle &status_rect,
1306 const XRectangle &needed_rect)
1307{
1308 preedit_rect.x = needed_rect.width;
1309 preedit_rect.y = 0;
1310 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1311 preedit_rect.height = fheight;
1312
1313 status_rect.x = 0;
1314 status_rect.y = 0;
1315 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1316 status_rect.height = fheight;
889} 1317}
890 1318
891/* Checking whether input method is running. */ 1319/* Checking whether input method is running. */
892/* INTPROTO */
893Bool 1320bool
894rxvt_IMisRunning(pR) 1321rxvt_term::IMisRunning ()
895{ 1322{
896 char *p; 1323 char *p;
897 Atom atom; 1324 Atom atom;
898 Window win; 1325 Window win;
899 char server[IMBUFSIZ]; 1326 char server[IMBUFSIZ];
900 1327
901 /* get current locale modifier */ 1328 /* get current locale modifier */
902 if ((p = XSetLocaleModifiers(NULL)) != NULL) { 1329 if ((p = XSetLocaleModifiers (NULL)) != NULL)
903 STRCPY(server, "@server="); 1330 {
1331 strcpy (server, "@server=");
904 STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */ 1332 strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1333
905 if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */ 1334 if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
906 *p = '\0'; 1335 *p = '\0';
907 1336
908 atom = XInternAtom(R->Xdisplay, server, False); 1337 atom = XInternAtom (display->display, server, False);
909 win = XGetSelectionOwner(R->Xdisplay, atom); 1338 win = XGetSelectionOwner (display->display, atom);
1339
910 if (win != None) 1340 if (win != None)
911 return True; 1341 return True;
912 } 1342 }
1343
913 return False; 1344 return False;
914} 1345}
915 1346
916/* EXTPROTO */
917void 1347void
918rxvt_IMSendSpot(pR) 1348rxvt_term::IMSendSpot ()
919{ 1349{
920 XPoint spot; 1350 XPoint nspot;
921 XVaNestedList preedit_attr; 1351 XVaNestedList preedit_attr;
922 1352
923 if (R->h->Input_Context == NULL 1353 if (!Input_Context
924 || !R->TermWin.focus 1354 || !focus
925 || !(R->h->input_style & XIMPreeditPosition) 1355 || !(input_style & XIMPreeditPosition))
926 || !(R->h->event_type == KeyPress 1356 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 1357
935 rxvt_setPosition(aR_ &spot); 1358 im_set_position (nspot);
936 1359
1360 if (nspot.x == spot.x && nspot.y == spot.y)
1361 return;
1362
1363 spot = nspot;
1364
937 preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL); 1365 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
938 XSetICValues(R->h->Input_Context, XNPreeditAttributes, preedit_attr, NULL); 1366 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
939 XFree(preedit_attr); 1367 XFree (preedit_attr);
940} 1368}
941 1369
942/* EXTPROTO */
943void 1370void
944rxvt_setTermFontSet(pR_ int idx) 1371rxvt_term::im_destroy ()
945{ 1372{
946 char *string; 1373 if (input_method)
947 long length; 1374 {
948 int success = 0; 1375 if (Input_Context && input_method->xim)
1376 XDestroyIC (Input_Context);
949 1377
950 if (idx < 0 || idx >= MAX_NFONTS) 1378 display->put_xim (input_method);
951 return; 1379 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 } 1380 }
1030 }
1031 for (i = 0; s[i]; i++)
1032 free(s[i]);
1033 free(s);
1034 }
1035 if (found)
1036 return;
1037 1381
1038/* try with XMODIFIERS env. var. */ 1382 Input_Context = 0;
1039 if ((p = XSetLocaleModifiers("")) != NULL && *p) {
1040 rxvt_IM_get_IC(aR);
1041 return;
1042 }
1043
1044/* try with no modifiers base IF the user didn't specify an IM */
1045 if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p
1046 && rxvt_IM_get_IC(aR) == True)
1047 return;
1048} 1383}
1049 1384
1050/* 1385/*
1051 * Try to open a XIM with the current modifiers, then see if we can 1386 * Try to open a XIM with the current modifiers, then see if we can
1052 * open a suitable preedit type 1387 * open a suitable preedit type
1053 */ 1388 */
1054/* INTPROTO */
1055Bool 1389bool
1056rxvt_IM_get_IC(pR) 1390rxvt_term::IM_get_IC (const char *modifiers)
1057{ 1391{
1058 int i, j, found; 1392 int i, j, found;
1059 XIM xim; 1393 XIM xim;
1060 XPoint spot; 1394 XPoint spot;
1061 XRectangle rect, status_rect, needed_rect; 1395 XRectangle rect, status_rect, needed_rect;
1062 unsigned long fg, bg; 1396 unsigned long fg, bg;
1063 const char *p; 1397 const char *p;
1064 char **s; 1398 char **s;
1065 XIMStyles *xim_styles; 1399 XIMStyles *xim_styles;
1066 XVaNestedList preedit_attr, status_attr;
1067 XIMCallback ximcallback;
1068 struct rxvt_hidden *h = R->h;
1069 1400
1401 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1402 return false;
1403
1070 D_MAIN((stderr, "rxvt_IM_get_IC()")); 1404 D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1071 xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL); 1405 input_method = display->get_xim (locale, modifiers);
1072 if (xim == NULL) 1406 if (input_method == NULL)
1073 return False; 1407 return false;
1074 1408
1409 xim = input_method->xim;
1410 spot.x = spot.y = -1;
1411
1075 xim_styles = NULL; 1412 xim_styles = NULL;
1076 if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL) 1413 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1077 || !xim_styles || !xim_styles->count_styles) { 1414 || !xim_styles || !xim_styles->count_styles)
1078 XCloseIM(xim);
1079 return False;
1080 } 1415 {
1416 im_destroy ();
1417 return false;
1418 }
1081 1419
1082 p = h->rs[Rs_preeditType] ? h->rs[Rs_preeditType] 1420 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1083 : "OverTheSpot,OffTheSpot,Root"; 1421
1422 for (int pi = 0; pi < 2; pi++)
1423 {
1424 p = pet[pi];
1425
1426 if (!p)
1427 continue;
1428
1084 s = rxvt_splitcommastring(p); 1429 s = rxvt_splitcommastring (p);
1430
1085 for (i = found = 0; !found && s[i]; i++) { 1431 for (i = found = 0; !found && s[i]; i++)
1086 if (!STRCMP(s[i], "OverTheSpot")) 1432 {
1433 if (!strcmp (s[i], "OverTheSpot"))
1087 h->input_style = (XIMPreeditPosition | XIMStatusNothing); 1434 input_style = (XIMPreeditPosition | XIMStatusNothing);
1088 else if (!STRCMP(s[i], "OffTheSpot")) 1435 else if (!strcmp (s[i], "OffTheSpot"))
1089 h->input_style = (XIMPreeditArea | XIMStatusArea); 1436 input_style = (XIMPreeditArea | XIMStatusArea);
1090 else if (!STRCMP(s[i], "Root")) 1437 else if (!strcmp (s[i], "Root"))
1091 h->input_style = (XIMPreeditNothing | XIMStatusNothing); 1438 input_style = (XIMPreeditNothing | XIMStatusNothing);
1439 else if (!strcmp (s[i], "None"))
1440 input_style = (XIMPreeditNone | XIMStatusNone);
1092 1441
1093 for (j = 0; j < xim_styles->count_styles; j++) 1442 for (j = 0; j < xim_styles->count_styles; j++)
1094 if (h->input_style == xim_styles->supported_styles[j]) { 1443 if (input_style == xim_styles->supported_styles[j])
1095 found = 1; 1444 {
1096 break; 1445 rxvt_freecommastring (s);
1446
1447 found = 1;
1448 goto foundpet;
1449 }
1450
1451 }
1452
1453 rxvt_freecommastring (s);
1097 } 1454 }
1098 } 1455
1099 for (i = 0; s[i]; i++) 1456foundpet:
1100 free(s[i]); 1457
1101 free(s);
1102 XFree(xim_styles); 1458 XFree (xim_styles);
1103 1459
1104 if (!found) { 1460 if (!found)
1105 XCloseIM(xim);
1106 return False;
1107 } 1461 {
1462 im_destroy ();
1463 return false;
1464 }
1108 1465
1109 ximcallback.callback = rxvt_IMDestroyCallback; 1466 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; 1467 XVaNestedList preedit_attr = 0, status_attr = 0;
1115 1468
1469 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1470 {
1471 // fake us a font-set, please
1472 char **missing_charset_list;
1473 int missing_charset_count;
1474 char *def_string;
1475 char pat[512];
1476
1477 sprintf (pat,
1478 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1479 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1480 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1481 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1482 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1483 "*",
1484 fheight,
1485 fheight + 1, fheight - 1,
1486 fheight - 2, fheight + 2);
1487
1488 fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1489 &missing_charset_list, &missing_charset_count, &def_string);
1490
1491 if (missing_charset_list)
1492 XFreeStringList (missing_charset_list);
1493
1494 if (!fs)
1495 {
1496 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1497 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1498 }
1499 }
1500
1116 if (h->input_style & XIMPreeditPosition) { 1501 if (input_style & XIMPreeditPosition)
1117 rxvt_setSize(aR_ &rect); 1502 {
1118 rxvt_setPosition(aR_ &spot); 1503 im_set_size (rect);
1119 rxvt_setColor(aR_ &fg, &bg); 1504 im_set_position (spot);
1505 im_set_color (fg, bg);
1120 1506
1121 preedit_attr = XVaCreateNestedList(0, XNArea, &rect, 1507 preedit_attr = XVaCreateNestedList (0,
1122 XNSpotLocation, &spot, 1508 XNForeground, fg,
1123 XNForeground, fg, 1509 XNBackground, bg,
1124 XNBackground, bg, 1510 XNArea, &rect,
1125 //XNFontSet, R->TermWin.fontset, 1511 XNSpotLocation, &spot,
1126 NULL); 1512 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); 1513 NULL);
1148 } 1514 }
1149 h->Input_Context = XCreateIC(xim, XNInputStyle, h->input_style, 1515 else if (input_style & XIMPreeditArea)
1150 XNClientWindow, R->TermWin.parent[0], 1516 {
1151 XNFocusWindow, R->TermWin.parent[0], 1517 im_set_color (fg, bg);
1152 XNDestroyCallback, &ximcallback, 1518
1153 preedit_attr ? XNPreeditAttributes : NULL, 1519 /*
1154 preedit_attr, 1520 * The necessary width of preedit area is unknown
1155 status_attr ? XNStatusAttributes : NULL, 1521 * until create input context.
1156 status_attr, NULL); 1522 */
1157 if (preedit_attr) 1523 needed_rect.width = 0;
1158 XFree(preedit_attr); 1524 im_set_preedit_area (rect, status_rect, needed_rect);
1159 if (status_attr) 1525
1160 XFree(status_attr); 1526 preedit_attr = XVaCreateNestedList (0,
1527 XNForeground, fg,
1528 XNBackground, bg,
1529 XNArea, &rect,
1530 XNFontSet, fs,
1531 NULL);
1532 status_attr = XVaCreateNestedList (0,
1533 XNForeground, fg,
1534 XNBackground, bg,
1535 XNArea, &status_rect,
1536 XNFontSet, fs,
1537 NULL);
1538 }
1539
1540 Input_Context = XCreateIC (xim,
1541 XNInputStyle, input_style,
1542 XNClientWindow, vt,
1543 XNFocusWindow, parent[0],
1544 preedit_attr ? XNPreeditAttributes : NULL,
1545 preedit_attr,
1546 status_attr ? XNStatusAttributes : NULL,
1547 status_attr, NULL);
1548
1549 if (preedit_attr) XFree (preedit_attr);
1550 if (status_attr) XFree (status_attr);
1551 if (fs) XFreeFontSet (display->display, fs);
1552
1161 if (h->Input_Context == NULL) { 1553 if (Input_Context == NULL)
1162 rxvt_print_error("failed to create input context");
1163 XCloseIM(xim);
1164 return False;
1165 } 1554 {
1555 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1556 im_destroy ();
1557 return false;
1558 }
1559
1166 if (h->input_style & XIMPreeditArea) 1560 if (input_style & XIMPreeditArea)
1167 rxvt_IMSetStatusPosition(aR); 1561 IMSetStatusPosition ();
1562
1168 D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection")); 1563 D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1169 return True; 1564 return true;
1170} 1565}
1171 1566
1172/* EXTPROTO */
1173void 1567void
1568rxvt_term::im_cb ()
1569{
1570 int i;
1571 const char *p;
1572 char **s;
1573 char buf[IMBUFSIZ];
1574
1575 SET_R (this);
1576
1577 im_destroy ();
1578
1579 D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1580 if (Input_Context)
1581 return;
1582
1583#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1584 if (rs[Rs_imLocale])
1585 SET_LOCALE (rs[Rs_imLocale]);
1586#endif
1587
1588 p = rs[Rs_inputMethod];
1589 if (p && *p)
1590 {
1591 bool found = false;
1592
1593 s = rxvt_splitcommastring (p);
1594
1595 for (i = 0; s[i]; i++)
1596 {
1597 if (*s[i])
1598 {
1599 strcpy (buf, "@im=");
1600 strncat (buf, s[i], IMBUFSIZ - 5);
1601 if (IM_get_IC (buf))
1602 {
1603 found = true;
1604 break;
1605 }
1606 }
1607 }
1608
1609 rxvt_freecommastring (s);
1610
1611 if (found)
1612 goto done;
1613 }
1614
1615 /* try with XMODIFIERS env. var. */
1616 if (IM_get_IC (""))
1617 goto done;
1618
1619 /* try with no modifiers base IF the user didn't specify an IM */
1620 if (IM_get_IC ("@im=none"))
1621 goto done;
1622
1623done:
1624#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1625 if (rs[Rs_imLocale])
1626 SET_LOCALE (locale);
1627#endif
1628}
1629
1630void
1174rxvt_IMSetStatusPosition(pR) 1631rxvt_term::IMSetStatusPosition ()
1175{ 1632{
1176 XRectangle preedit_rect, status_rect, *needed_rect; 1633 XRectangle preedit_rect, status_rect, *needed_rect;
1177 XVaNestedList preedit_attr, status_attr; 1634 XVaNestedList preedit_attr, status_attr;
1178 1635
1179 if (R->h->Input_Context == NULL 1636 if (!Input_Context
1180 || !R->TermWin.focus 1637 || !focus
1181 || !(R->h->input_style & XIMPreeditArea) 1638 || !(input_style & XIMPreeditArea)
1182 || !rxvt_IMisRunning(aR)) 1639 || !IMisRunning ())
1183 return; 1640 return;
1184 1641
1185 /* Getting the necessary width of preedit area */ 1642 /* Getting the necessary width of preedit area */
1186 status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL); 1643 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1187 XGetICValues(R->h->Input_Context, XNStatusAttributes, status_attr, NULL); 1644 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1188 XFree(status_attr); 1645 XFree (status_attr);
1189 1646
1190 rxvt_setPreeditArea(aR_ &preedit_rect, &status_rect, needed_rect); 1647 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1648 XFree (needed_rect);
1191 1649
1192 preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL); 1650 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1193 status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL); 1651 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1194 1652
1195 XSetICValues(R->h->Input_Context, 1653 XSetICValues (Input_Context,
1196 XNPreeditAttributes, preedit_attr, 1654 XNPreeditAttributes, preedit_attr,
1197 XNStatusAttributes, status_attr, NULL); 1655 XNStatusAttributes, status_attr, NULL);
1198 1656
1199 XFree(preedit_attr); 1657 XFree (preedit_attr);
1200 XFree(status_attr); 1658 XFree (status_attr);
1201} 1659}
1202#endif /* USE_XIM */ 1660#endif /* USE_XIM */
1203 1661
1204/*----------------------------------------------------------------------*/ 1662/*----------------------------------------------------------------------*/
1205rxvt_t *rxvt_current_term; 1663rxvt_t rxvt_current_term;
1206 1664
1207/*----------------------- end-of-file (C source) -----------------------*/ 1665/*----------------------- end-of-file (C source) -----------------------*/

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