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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.6 by pcg, Tue Nov 25 17:11:33 2003 UTC vs.
Revision 1.357 by sf-exg, Sat Jul 9 13:14:47 2011 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: main.c 2 * File: main.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: main.C,v 1.6 2003/11/25 17:11:33 pcg Exp $
5 * 4 *
6 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
7 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk> 6 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8 * - original version 7 * - original version
9 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com> 8 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
… …
12 * Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA> 11 * Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13 * - extensive modifications 12 * - extensive modifications
14 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> 13 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> 14 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16 * - extensive modifications 15 * - extensive modifications
16 * Copyright (c) 2003-2010 Marc Lehmann <schmorp@schmorp.de>
17 * 17 *
18 * This program is free software; you can redistribute it and/or modify 18 * This program is free software; you can redistribute it and/or modify
19 * it under the terms of the GNU General Public License as published by 19 * it under the terms of the GNU General Public License as published by
20 * the Free Software Foundation; either version 2 of the License, or 20 * the Free Software Foundation; either version 2 of the License, or
21 * (at your option) any later version. 21 * (at your option) any later version.
… …
30 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 30 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31 *---------------------------------------------------------------------*/ 31 *---------------------------------------------------------------------*/
32 32
33#include "../config.h" /* NECESSARY */ 33#include "../config.h" /* NECESSARY */
34#include "rxvt.h" /* NECESSARY */ 34#include "rxvt.h" /* NECESSARY */
35#include "main.intpro" /* PROTOS for internal routines */ 35#include "init.h"
36#include "keyboard.h"
37#include "rxvtperl.h"
36 38
39#include <limits>
40
41#include <cassert>
37#include <signal.h> 42#include <csignal>
43#include <cstring>
38 44
39#ifdef TTY_GID_SUPPORT
40# include <grp.h>
41#endif
42
43#ifdef HAVE_TERMIOS_H
44# include <termios.h> 45#include <termios.h>
46
47#ifdef HAVE_XSETLOCALE
48# define X_LOCALE
49# include <X11/Xlocale.h>
50#else
51# ifdef HAVE_SETLOCALE
52# include <clocale>
45#endif 53# endif
54#endif
46 55
56struct termios rxvt_term::def_tio;
57vector<rxvt_term *> rxvt_term::termlist;
58
59// used to tell global functions which terminal instance is "active"
60rxvt_t rxvt_current_term;
61
62static char curlocale[128], savelocale[128];
63
64bool
65rxvt_set_locale (const char *locale) NOTHROW
66{
67 int size = strlen (locale) + 1;
68
69 if (size > sizeof (curlocale))
70 rxvt_fatal ("locale string too long, aborting.\n");
71
72 if (!locale || !memcmp (locale, curlocale, size))
73 return false;
74
75 memcpy (curlocale, locale, size);
76 setlocale (LC_CTYPE, curlocale);
77 return true;
78}
79
47void * 80void
48rxvt_term::operator new (size_t s) 81rxvt_push_locale (const char *locale) NOTHROW
49{ 82{
50 void *p = malloc (s); 83 strcpy (savelocale, curlocale);
84 rxvt_set_locale (locale);
85}
51 86
52 MEMSET (p, 0, s); 87void
88rxvt_pop_locale () NOTHROW
89{
90 rxvt_set_locale (savelocale);
91}
92
93#if ENABLE_COMBINING
94class rxvt_composite_vec rxvt_composite;
95
96text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
97{
98 compose_char *cc;
99
100 // break compose chains, as stupid readline really likes to duplicate
101 // composing characters for some reason, near the end of a line.
102 cc = (*this)[c1];
103 while (cc)
104 {
105 if (cc->c2 == c2) return c1;
106 cc = (*this)[cc->c1];
107 }
108
109 // check to see whether this combination already exists otherwise
110 for (cc = v.end (); cc-- > v.begin (); )
111 if (cc->c1 == c1 && cc->c2 == c2)
112 return COMPOSE_LO + (cc - v.begin ());
113
114 // allocate a new combination
115 if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
116 {
117 static int seen;
118
119 if (!seen++)
120 rxvt_warn ("too many unrepresentable composite characters, try --enable-unicode3\n");
121
122 return REPLACEMENT_CHAR;
123 }
124
125 v.push_back (compose_char (c1, c2));
126
127 return v.size () - 1 + COMPOSE_LO;
128}
129
130int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
131{
132 compose_char *cc = (*this)[c];
133
134 if (!cc)
135 {
136 if (r) *r = c;
137 return 1;
138 }
139
140 int len = expand (cc->c1, r);
141
142 if (r) r += len;
143
144 if (cc->c2 != NOCHAR)
145 {
146 len++;
147 if (r) *r++ = cc->c2;
148 }
149
53 return p; 150 return len;
54}
55 151
56void
57rxvt_term::operator delete (void *p, size_t s)
58{
59 free (p);
60} 152}
153#endif
61 154
62rxvt_term::rxvt_term () 155rxvt_term::rxvt_term ()
63: pty_ev (this, &rxvt_term::pty_cb), 156{
157#if HAVE_BG_PIXMAP
158 update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
159#endif
64#ifdef CURSOR_BLINK 160#ifdef CURSOR_BLINK
65 blink_ev (this, &rxvt_term::blink_cb), 161 cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
162#endif
163#ifdef TEXT_BLINK
164 text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
165#endif
166#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
167 cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
168#endif
169#ifdef SELECTION_SCROLLING
170 sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
171#endif
172#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
173 slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
174#endif
175#if ENABLE_TRANSPARENCY || ENABLE_PERL
176 rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
177#endif
178 scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
179#ifdef USE_XIM
180 im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
66#endif 181#endif
67#ifdef POINTER_BLANK 182#ifdef POINTER_BLANK
68 pointer_ev (this, &rxvt_term::pointer_cb), 183 pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
69#endif 184#endif
70 x_ev (this, &rxvt_term::x_cb) 185#ifndef NO_BELL
71{ 186 bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
187#endif
188 child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
189 flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
190 destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
191 pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
192 termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
193 vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
194
72 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base; 195 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
196
197 termlist.push_back (this);
198
199#ifdef KEYSYM_RESOURCE
200 keyboard = new keyboard_manager;
201#endif
202}
203
204// clean up the most important stuff, do *not* call x or free mem etc.
205// for use before an emergency exit
206void
207rxvt_term::emergency_cleanup ()
208{
209 if (cmd_pid)
210 kill (-cmd_pid, SIGHUP);
211
212 pty_ev.stop ();
213 delete pty; pty = 0;
73} 214}
74 215
75rxvt_term::~rxvt_term () 216rxvt_term::~rxvt_term ()
76{ 217{
77 delete PixColors; 218 termlist.erase (find (termlist.begin (), termlist.end(), this));
78}
79 219
80/*----------------------------------------------------------------------*/ 220 emergency_cleanup ();
81/* rxvt_init() */
82/* LIBPROTO */
83rxvt_t
84rxvt_init(int argc, const char *const *argv)
85{
86 SET_R(new rxvt_term);
87 dR;
88 221
89 if (!R->init_vars () || !R->init (argc, argv)) 222#if ENABLE_STYLES
90 { 223 for (int i = RS_styleCount; --i; )
91 delete R; 224 if (fontset[i] != fontset[0])
92 return NULL; 225 delete fontset[i];
226#endif
227 delete fontset[0];
228
229#ifdef HAVE_BG_PIXMAP
230 bg_destroy ();
231#endif
232
233 if (display)
93 } 234 {
235 selection_clear ();
236 selection_clear (true);
94 237
238#ifdef USE_XIM
239 im_destroy ();
240#endif
241 scrollBar.destroy ();
242 if (gc) XFreeGC (dpy, gc);
243
244 delete drawable;
245 // destroy all windows
246 if (parent)
247 XDestroyWindow (dpy, parent);
248
249 for (int i = 0; i < TOTAL_COLORS; i++)
250 if (ISSET_PIXCOLOR (i))
251 {
252 pix_colors_focused [i].free (this);
253#if OFF_FOCUS_FADING
254 pix_colors_unfocused [i].free (this);
255#endif
256 }
257
258 clear ();
259
260 display->flush (); /* ideally .put should do this */
261 displays.put (display);
262 }
263
264 scr_release ();
265
266 /* clear all resources */
267 for (int i = 0; i < allocated.size (); i++)
268 free (allocated [i]);
269
270 free (selection.text);
271 free (selection.clip_text);
272 // TODO: manage env vars in child only(!)
273 free (env_display);
274 free (env_term);
275 free (locale);
276 free (v_buffer);
277
278 delete selection_req;
279
280 delete envv;
281 delete argv;
282
283#ifdef KEYSYM_RESOURCE
284 delete keyboard;
285#endif
286#ifndef NO_RESOURCES
287 XrmDestroyDatabase (option_db);
288#endif
289}
290
291// child has exited, usually destroys
292void
293rxvt_term::child_cb (ev::child &w, int status)
294{
295 HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
296
297 cmd_pid = 0;
298
299 if (!option (Opt_hold))
300 destroy ();
301}
302
303void
304rxvt_term::destroy ()
305{
306 if (destroy_ev.is_active ())
95 return R; 307 return;
96}
97 308
98bool 309 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
99rxvt_term::init (int argc, const char *const *argv)
100{
101 dR;//TODO (scrollbar, setidle)
102 310
103 /* 311#if ENABLE_OVERLAY
104 * Save and then give up any super-user privileges 312 scr_overlay_off ();
105 * If we need privileges in any area then we must specifically request it.
106 * We should only need to be root in these cases:
107 * 1. write utmp entries on some systems
108 * 2. chown tty on some systems
109 */
110 rxvt_privileges (this, SAVE);
111 rxvt_privileges (this, IGNORE);
112
113 rxvt_init_secondary (this);
114
115 const char **cmd_argv = rxvt_init_resources (this, argc, argv);
116
117#if (MENUBAR_MAX)
118 rxvt_menubar_read (this, rs[Rs_menu]);
119#endif 313#endif
120#ifdef HAVE_SCROLLBARS
121 if (Options & Opt_scrollBar)
122 scrollbar_setIdle (); /* set existence for size calculations */
123#endif
124 314
125 rxvt_Create_Windows (this, argc, argv); 315 if (display)
126
127 rxvt_init_xlocale (this);
128
129 rxvt_scr_reset (this); /* initialize screen */
130#ifdef RXVT_GRAPHICS
131 rxvt_Gr_reset (this); /* reset graphics */
132#endif
133
134#if 0
135#ifdef DEBUG_X
136 XSynchronize(Xdisplay, True);
137 XSetErrorHandler((XErrorHandler) abort);
138#else
139 XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
140#endif
141#endif
142
143#ifdef HAVE_SCROLLBARS
144 if (Options & Opt_scrollBar)
145 rxvt_Resize_scrollBar (this); /* create and map scrollbar */
146#endif
147#if (MENUBAR_MAX)
148 if (menubar_visible(r))
149 XMapWindow (Xdisplay, menuBar.win);
150#endif
151#ifdef TRANSPARENT
152 if (Options & Opt_transparent)
153 {
154 XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
155 rxvt_check_our_parents (this);
156 } 316 {
317#if USE_XIM
318 im_ev.stop (display);
157#endif 319#endif
158 XMapWindow (Xdisplay, TermWin.vt); 320 scrollbar_ev.stop (display);
159 XMapWindow (Xdisplay, TermWin.parent[0]); 321#if ENABLE_TRANSPARENCY || ENABLE_PERL
160 322 rootwin_ev.stop (display);
161 rxvt_init_env (this);
162 rxvt_init_command (this, cmd_argv);
163
164 x_ev.start (Xfd, EVENT_READ);
165 pty_ev.start (cmd_fd, EVENT_READ);
166
167 return true;
168}
169
170/* ------------------------------------------------------------------------- *
171 * SIGNAL HANDLING & EXIT HANDLER *
172 * ------------------------------------------------------------------------- */
173/*
174 * Catch a SIGCHLD signal and exit if the direct child has died
175 */
176/* ARGSUSED */
177/* EXTPROTO */
178RETSIGTYPE
179rxvt_Child_signal(int sig __attribute__ ((unused)))
180{
181 dR;
182 int pid, save_errno = errno;
183
184 do {
185 errno = 0;
186 } while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
187
188 if (pid == R->cmd_pid)
189 exit(EXIT_SUCCESS);
190
191 errno = save_errno;
192 signal(SIGCHLD, rxvt_Child_signal);
193}
194
195/*
196 * Catch a fatal signal and tidy up before quitting
197 */
198/* EXTPROTO */
199RETSIGTYPE
200rxvt_Exit_signal(int sig)
201{
202 signal(sig, SIG_DFL);
203#ifdef DEBUG_CMD
204 rxvt_print_error("signal %d", sig);
205#endif 323#endif
206 rxvt_clean_exit(); 324 termwin_ev.stop (display);
207 kill(getpid(), sig); 325 vt_ev.stop (display);
208}
209
210/* ARGSUSED */
211/* INTPROTO */
212int
213rxvt_xerror_handler(const Display * display
214 __attribute__ ((unused)), const XErrorEvent * event)
215{
216 dR;
217
218 if (R->allowedxerror == -1) {
219 R->allowedxerror = event->error_code;
220 return 0; /* ignored anyway */
221 } 326 }
222 rxvt_print_error("XError: Request: %d . %d, Error: %d", 327
223 event->request_code, event->minor_code, 328 flush_ev.stop ();
224 event->error_code); 329 pty_ev.stop ();
225/* XXX: probably should call rxvt_clean_exit() bypassing X routines */ 330#ifdef CURSOR_BLINK
226 exit(EXIT_FAILURE); 331 cursor_blink_ev.stop ();
227/* NOTREACHED */ 332#endif
333#ifdef TEXT_BLINK
334 text_blink_ev.stop ();
335#endif
336#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
337 cont_scroll_ev.stop ();
338#endif
339#ifdef SELECTION_SCROLLING
340 sel_scroll_ev.stop ();
341#endif
342#ifdef POINTER_BLANK
343 pointer_ev.stop ();
344#endif
345
346 destroy_ev.start ();
347}
348
349void
350rxvt_term::destroy_cb (ev::idle &w, int revents)
351{
352 make_current ();
353
354 delete this;
355}
356
357void
358rxvt_term::set_option (uint8_t opt, bool set)
359{
360 if (!opt)
361 return;
362
363 uint8_t mask = 1 << (opt & 7);
364 uint8_t &val = options [opt >> 3];
365
366 val = val & ~mask | (set ? mask : 0);
228} 367}
229 368
230/*----------------------------------------------------------------------*/ 369/*----------------------------------------------------------------------*/
231/* 370/*
232 * Exit gracefully, clearing the utmp entry and restoring tty attributes 371 * Exit gracefully, clearing the utmp entry and restoring tty attributes
233 * TODO: if debugging, this should free up any known resources if we can 372 * TODO: if debugging, this should free up any known resources if we can
234 */ 373 */
235/* EXTPROTO */ 374static XErrorHandler old_xerror_handler;
236void
237rxvt_clean_exit(void)
238{
239 dR;
240 375
241#ifdef DEBUG_SCREEN 376static void
242 rxvt_scr_release(aR); 377rxvt_emergency_cleanup ()
378{
379 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
380 (*t)->emergency_cleanup ();
381}
382
383#if !ENABLE_MINIMAL
384static void
385print_x_error (Display *dpy, XErrorEvent *event)
386{
387 char buffer[BUFSIZ];
388 char mesg[BUFSIZ];
389 char number[32];
390 const char mtype[] = "XlibMessage";
391 XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
392 XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
393 rxvt_warn ("An X Error occurred, trying to continue after report.\n");
394 rxvt_warn ("%s: %s\n", mesg, buffer);
395 XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
396 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
397 sprintf(number, "%d", event->request_code);
398 XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
399 rxvt_warn ("(which is %s)\n", buffer);
400 if (event->request_code >= 128) {
401 XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
402 mesg, BUFSIZ);
403 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
404 }
405 if ((event->error_code == BadWindow) ||
406 (event->error_code == BadPixmap) ||
407 (event->error_code == BadCursor) ||
408 (event->error_code == BadFont) ||
409 (event->error_code == BadDrawable) ||
410 (event->error_code == BadColor) ||
411 (event->error_code == BadGC) ||
412 (event->error_code == BadIDChoice) ||
413 (event->error_code == BadValue) ||
414 (event->error_code == BadAtom)) {
415 if (event->error_code == BadValue)
416 XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
417 mesg, BUFSIZ);
418 else if (event->error_code == BadAtom)
419 XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
420 mesg, BUFSIZ);
421 else
422 XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
423 mesg, BUFSIZ);
424 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
425 }
426 XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
427 mesg, BUFSIZ);
428 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
429}
243#endif 430#endif
244#ifndef NO_SETOWNER_TTYDEV 431
245 rxvt_privileged_ttydev(aR_ RESTORE); 432int
246#endif 433rxvt_xerror_handler (Display *display, XErrorEvent *event)
247#ifdef UTMP_SUPPORT 434{
248 rxvt_privileged_utmp(aR_ RESTORE); 435 if (GET_R->allowedxerror == -1)
249#endif 436 GET_R->allowedxerror = event->error_code;
250#ifdef USE_XIM 437 else
251 if (R->Input_Context != NULL) {
252 XDestroyIC(R->Input_Context);
253 R->Input_Context = NULL;
254 } 438 {
439 // GET_R is most likely not the terminal which caused the error,
440 // so just output the error and continue
441#if ENABLE_MINIMAL
442 old_xerror_handler (display, event);
443#else
444 print_x_error (display, event);
255#endif 445#endif
256} 446 }
257 447
258/* ------------------------------------------------------------------------- * 448 return 0;
259 * MEMORY ALLOCATION WRAPPERS * 449}
260 * ------------------------------------------------------------------------- */
261/* EXTPROTO */
262void *
263rxvt_malloc(size_t size)
264{
265 void *p;
266 450
267 p = malloc(size); 451int
268 if (p) 452rxvt_xioerror_handler (Display *display)
269 return p; 453{
270 454 rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
271 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting"); 455 DisplayString (display));
272 rxvt_clean_exit(); 456 rxvt_emergency_cleanup ();
273 exit(EXIT_FAILURE); 457 _exit (EXIT_FAILURE);
274/* NOTREACHED */
275} 458}
276 459
277/* EXTPROTO */ 460static struct sig_handlers
278void *
279rxvt_calloc(size_t number, size_t size)
280{ 461{
281 void *p; 462 ev::sig sw_term, sw_int;
282 463
283 p = calloc(number, size); 464 /*
284 if (p) 465 * Catch a fatal signal and tidy up before quitting
285 return p; 466 */
467 void sig_term (ev::sig &w, int revents);
286 468
287 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting"); 469 sig_handlers ()
288 rxvt_clean_exit(); 470 {
289 exit(EXIT_FAILURE); 471 sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
290/* NOTREACHED */ 472 sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
291} 473 }
474} sig_handlers;
292 475
293/* EXTPROTO */
294void *
295rxvt_realloc(void *ptr, size_t size)
296{
297 void *p;
298
299 if (ptr)
300 p = realloc(ptr, size);
301 else
302 p = malloc(size);
303 if (p)
304 return p;
305
306 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
307 rxvt_clean_exit();
308 exit(EXIT_FAILURE);
309/* NOTREACHED */
310}
311
312/* ------------------------------------------------------------------------- *
313 * PRIVILEGED OPERATIONS *
314 * ------------------------------------------------------------------------- */
315/* take care of suid/sgid super-user (root) privileges */
316/* INTPROTO */
317void 476void
318rxvt_privileges(pR_ int mode) 477sig_handlers::sig_term (ev::sig &w, int revents)
319{ 478{
320#if ! defined(__CYGWIN32__) 479 rxvt_emergency_cleanup ();
321# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) 480 w.stop ();
322/* setreuid() is the poor man's setuid(), seteuid() */ 481 kill (getpid (), w.signum);
323# define seteuid(a) setreuid(-1, (a)) 482}
324# define setegid(a) setregid(-1, (a)) 483
325# define HAVE_SETEUID 484static void
485rxvt_get_ttymode (struct termios *tio)
486{
487 if (tcgetattr (STDIN_FILENO, tio) < 0)
488 memset (tio, 0, sizeof (struct termios));
489
490 for (int i = 0; i < NCCS; i++)
491 tio->c_cc[i] = VDISABLE;
492
493 tio->c_cc[VINTR] = CINTR;
494 tio->c_cc[VQUIT] = CQUIT;
495 tio->c_cc[VERASE] = CERASE;
496#ifdef VERASE2
497 tio->c_cc[VERASE2] = CERASE2;
498#endif
499 tio->c_cc[VKILL] = CKILL;
500 tio->c_cc[VEOF] = CEOF;
501 tio->c_cc[VSTART] = CSTART;
502 tio->c_cc[VSTOP] = CSTOP;
503 tio->c_cc[VSUSP] = CSUSP;
504# ifdef VDSUSP
505 tio->c_cc[VDSUSP] = CDSUSP;
326# endif 506# endif
327# ifdef HAVE_SETEUID 507# ifdef VREPRINT
328 switch (mode) { 508 tio->c_cc[VREPRINT] = CRPRNT;
329 case IGNORE:
330 /*
331 * change effective uid/gid - not real uid/gid - so we can switch
332 * back to root later, as required
333 */
334 seteuid(getuid());
335 setegid(getgid());
336 break;
337 case SAVE:
338 R->euid = geteuid();
339 R->egid = getegid();
340 break;
341 case RESTORE:
342 seteuid(R->euid);
343 setegid(R->egid);
344 break;
345 }
346# else
347 switch (mode) {
348 case IGNORE:
349 setuid(getuid());
350 setgid(getgid());
351 /* FALLTHROUGH */
352 case SAVE:
353 /* FALLTHROUGH */
354 case RESTORE:
355 break;
356 }
357# endif 509# endif
358#endif 510# ifdef VDISCRD
359} 511 tio->c_cc[VDISCRD] = CFLUSH;
360
361#ifdef UTMP_SUPPORT
362/* EXTPROTO */
363void
364rxvt_privileged_utmp(pR_ char action)
365{
366 D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
367 action, R->next_utmp_action, getpid()));
368 if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
369 || (R->Options & Opt_utmpInhibit)
370 || R->ttydev == NULL || *R->ttydev == '\0')
371 return;
372
373 rxvt_privileges(aR_ RESTORE);
374 if (action == SAVE) {
375 R->next_utmp_action = RESTORE;
376 rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
377 } else { /* action == RESTORE */
378 R->next_utmp_action = IGNORE;
379 rxvt_cleanutent(aR);
380 }
381 rxvt_privileges(aR_ IGNORE);
382}
383#endif
384
385#ifndef NO_SETOWNER_TTYDEV
386/* EXTPROTO */
387void
388rxvt_privileged_ttydev(pR_ char action)
389{
390 D_MAIN((stderr,
391 "rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
392 action, R->next_tty_action, getpid()));
393 if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
394 || R->ttydev == NULL || *R->ttydev == '\0')
395 return;
396
397 rxvt_privileges(aR_ RESTORE);
398
399 if (action == SAVE) {
400 R->next_tty_action = RESTORE;
401# ifndef RESET_TTY_TO_COMMON_DEFAULTS
402/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
403 if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
404 R->next_tty_action = IGNORE;
405 else
406# endif 512# endif
407 { 513# ifdef VWERSE
408 chown(R->ttydev, getuid(), R->ttygid); /* fail silently */ 514 tio->c_cc[VWERSE] = CWERASE;
409 chmod(R->ttydev, R->ttymode);
410# ifdef HAVE_REVOKE
411 revoke(R->ttydev);
412# endif 515# endif
413 } 516# ifdef VLNEXT
414 } else { /* action == RESTORE */ 517 tio->c_cc[VLNEXT] = CLNEXT;
415 R->next_tty_action = IGNORE;
416# ifndef RESET_TTY_TO_COMMON_DEFAULTS
417 chmod(R->ttydev, R->ttyfd_stat.st_mode);
418 chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
419# else
420 chmod(R->ttydev,
421 (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
422 chown(R->ttydev, 0, 0);
423# endif 518# endif
424 } 519# ifdef VSTATUS
425 520 tio->c_cc[VSTATUS] = CSTATUS;
426 rxvt_privileges(aR_ IGNORE);
427
428# ifndef RESET_TTY_TO_COMMON_DEFAULTS
429 D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
430 action == RESTORE ? "Restoring" : (action ==
431 SAVE ? "Saving" :
432 "UNKNOWN ERROR for"), R->ttydev,
433 R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
434 R->ttyfd_stat.st_gid));
435# endif 521# endif
436} 522
523# if VMIN != VEOF
524 tio->c_cc[VMIN] = 1;
437#endif 525# endif
526# if VTIME != VEOL
527 tio->c_cc[VTIME] = 0;
528# endif
529
530 /* input modes */
531 tio->c_iflag = (BRKINT | IGNPAR | ICRNL
532# ifdef IMAXBEL
533 | IMAXBEL
534# endif
535 | IXON);
536
537 /* output modes */
538 tio->c_oflag = (OPOST | ONLCR);
539
540 /* control modes */
541 tio->c_cflag = (CS8 | CREAD);
542
543 /* local modes */
544 tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
545# if defined (ECHOCTL) && defined (ECHOKE)
546 | ECHOCTL | ECHOKE
547# endif
548 | ECHOE | ECHOK);
549}
550
551char **rxvt_environ; // startup environment
552
553void
554rxvt_init ()
555{
556 assert (("fontMask must not overlap other RS masks",
557 0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
558
559 rxvt_get_ttymode (&rxvt_term::def_tio);
560
561 // get rid of stdin/stdout as we don't need them, to free resources
562 dup2 (STDERR_FILENO, STDIN_FILENO);
563 dup2 (STDERR_FILENO, STDOUT_FILENO);
564
565 if (!ev_default_loop ())
566 rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
567
568 rxvt_environ = environ;
569
570 signal (SIGHUP, SIG_IGN);
571 signal (SIGPIPE, SIG_IGN);
572
573 sig_handlers.sw_term.start (SIGTERM); ev_unref ();
574 sig_handlers.sw_int.start (SIGINT); ev_unref ();
575
576 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
577 // TODO: handle this with exceptions and tolerate the memory loss
578 XSetIOErrorHandler (rxvt_xioerror_handler);
579
580 XrmInitialize ();
581}
438 582
439/*----------------------------------------------------------------------*/ 583/*----------------------------------------------------------------------*/
440/* 584/*
441 * window size/position calculcations for XSizeHint and other storage. 585 * window size/position calculations for XSizeHint and other storage.
442 * if width/height are non-zero then override calculated width/height 586 * if width/height are non-zero then override calculated width/height
443 */ 587 */
444/* EXTPROTO */
445void 588void
446rxvt_window_calc(pR_ unsigned int width, unsigned int height) 589rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
447{ 590{
448 short recalc_x, recalc_y; 591 short recalc_x, recalc_y;
449 int x, y, sb_w, mb_h, flags; 592 int x, y, flags;
450 unsigned int w, h; 593 unsigned int w, h;
451 unsigned int max_width, max_height; 594 unsigned int max_width, max_height;
452 595
453 D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
454 R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
455 R->szHint.height));
456 R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; 596 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
457 R->szHint.win_gravity = NorthWestGravity; 597 szHint.win_gravity = NorthWestGravity;
458/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */ 598 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
459 599
460 recalc_x = recalc_y = 0; 600 recalc_x = recalc_y = 0;
461 flags = 0; 601 flags = 0;
602
462 if (!R->parsed_geometry) { 603 if (!parsed_geometry)
604 {
463 R->parsed_geometry = 1; 605 parsed_geometry = 1;
606
464 if (R->rs[Rs_geometry]) 607 if (rs[Rs_geometry])
465 flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h); 608 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
609
466 if (flags & WidthValue) { 610 if (flags & WidthValue)
467 R->TermWin.ncol = BOUND_POSITIVE_INT16(w); 611 {
612 if (!w)
613 rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
614
615 ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
468 R->szHint.flags |= USSize; 616 szHint.flags |= USSize;
469 } 617 }
618
470 if (flags & HeightValue) { 619 if (flags & HeightValue)
471 R->TermWin.nrow = BOUND_POSITIVE_INT16(h); 620 {
621 if (!h)
622 rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
623
624 nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
472 R->szHint.flags |= USSize; 625 szHint.flags |= USSize;
473 } 626 }
627
474 if (flags & XValue) { 628 if (flags & XValue)
629 {
475 R->szHint.x = x; 630 szHint.x = x;
476 R->szHint.flags |= USPosition; 631 szHint.flags |= USPosition;
632
477 if (flags & XNegative) { 633 if (flags & XNegative)
634 {
478 recalc_x = 1; 635 recalc_x = 1;
479 R->szHint.win_gravity = NorthEastGravity; 636 szHint.win_gravity = NorthEastGravity;
480 } 637 }
481 } 638 }
639
482 if (flags & YValue) { 640 if (flags & YValue)
641 {
483 R->szHint.y = y; 642 szHint.y = y;
484 R->szHint.flags |= USPosition; 643 szHint.flags |= USPosition;
644
485 if (flags & YNegative) { 645 if (flags & YNegative)
646 {
486 recalc_y = 1; 647 recalc_y = 1;
648
487 if (R->szHint.win_gravity == NorthEastGravity) 649 if (szHint.win_gravity == NorthEastGravity)
488 R->szHint.win_gravity = SouthEastGravity; 650 szHint.win_gravity = SouthEastGravity;
489 else 651 else
490 R->szHint.win_gravity = SouthWestGravity; 652 szHint.win_gravity = SouthWestGravity;
491 } 653 }
492 } 654 }
493 } 655 }
656
494/* TODO: BOUNDS */ 657 /* TODO: BOUNDS */
495 R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth; 658 width = ncol * fwidth;
496 R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight; 659 height = nrow * fheight;
497 max_width = MAX_COLS * R->TermWin.fwidth; 660 max_width = MAX_COLS * fwidth;
498 max_height = MAX_ROWS * R->TermWin.fheight; 661 max_height = MAX_ROWS * fheight;
499 662
500 R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth; 663 szHint.base_width = szHint.base_height = 2 * int_bwidth;
501 664
502 sb_w = mb_h = 0;
503 R->window_vt_x = R->window_vt_y = 0; 665 window_vt_x = window_vt_y = int_bwidth;
504 if (scrollbar_visible(R)) { 666
667 if (scrollBar.state)
668 {
505 sb_w = scrollbar_TotalWidth(); 669 int sb_w = scrollBar.total_width ();
506 R->szHint.base_width += sb_w; 670 szHint.base_width += sb_w;
671
507 if (!(R->Options & Opt_scrollBar_right)) 672 if (!option (Opt_scrollBar_right))
508 R->window_vt_x = sb_w; 673 window_vt_x += sb_w;
509 } 674 }
510 if (menubar_visible(R)) { 675
511 mb_h = menuBar_TotalHeight();
512 R->szHint.base_height += mb_h;
513 R->window_vt_y = mb_h;
514 }
515 R->szHint.width_inc = R->TermWin.fwidth; 676 szHint.width_inc = fwidth;
516 R->szHint.height_inc = R->TermWin.fheight; 677 szHint.height_inc = fheight;
517 R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc; 678 szHint.min_width = szHint.base_width + szHint.width_inc;
518 R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc; 679 szHint.min_height = szHint.base_height + szHint.height_inc;
519 680
520 if (width && width - R->szHint.base_width < max_width) { 681 if (newwidth && newwidth - szHint.base_width < max_width)
682 {
521 R->szHint.width = width; 683 szHint.width = newwidth;
522 R->TermWin.width = width - R->szHint.base_width; 684 width = newwidth - szHint.base_width;
523 } else { 685 }
524 MIN_IT(R->TermWin.width, max_width); 686 else
687 {
688 min_it (width, max_width);
525 R->szHint.width = R->szHint.base_width + R->TermWin.width; 689 szHint.width = szHint.base_width + width;
526 } 690 }
691
527 if (height && height - R->szHint.base_height < max_height) { 692 if (newheight && newheight - szHint.base_height < max_height)
693 {
528 R->szHint.height = height; 694 szHint.height = newheight;
529 R->TermWin.height = height - R->szHint.base_height; 695 height = newheight - szHint.base_height;
530 } else { 696 }
531 MIN_IT(R->TermWin.height, max_height); 697 else
698 {
699 min_it (height, max_height);
532 R->szHint.height = R->szHint.base_height + R->TermWin.height; 700 szHint.height = szHint.base_height + height;
533 } 701 }
534 if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
535 R->window_sb_x = R->szHint.width - sb_w;
536 702
537 if (recalc_x) 703 if (recalc_x)
538 R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen) 704 szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
539 - R->szHint.width - 2 * R->TermWin.ext_bwidth); 705
540 if (recalc_y) 706 if (recalc_y)
541 R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen) 707 szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
542 - R->szHint.height - 2 * R->TermWin.ext_bwidth);
543 708
544 R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth; 709 ncol = width / fwidth;
545 R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight; 710 nrow = height / fheight;
546 D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
547 R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
548 R->szHint.height));
549 return;
550} 711}
551 712
552/*----------------------------------------------------------------------*/ 713/*----------------------------------------------------------------------*/
553/* 714/*
554 * Tell the teletype handler what size the window is. 715 * Tell the teletype handler what size the window is.
555 * Called after a window size change. 716 * Called after a window size change.
556 */ 717 */
557/* EXTPROTO */
558void 718void
559rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid) 719rxvt_term::tt_winch ()
560{ 720{
721 if (pty->pty < 0)
722 return;
723
561 struct winsize ws; 724 struct winsize ws;
562 725
563 if (fd < 0)
564 return;
565 ws.ws_col = col; 726 ws.ws_col = ncol;
566 ws.ws_row = row; 727 ws.ws_row = nrow;
567 ws.ws_xpixel = ws.ws_ypixel = 0; 728 ws.ws_xpixel = width;
568#ifndef DEBUG_SIZE 729 ws.ws_ypixel = height;
569 (void)ioctl(fd, TIOCSWINSZ, &ws); 730 ioctl (pty->pty, TIOCSWINSZ, &ws);
731
732#if 0
733 // TIOCSWINSZ is supposed to do this automatically and correctly
734 if (cmd_pid) /* force through to the command */
735 kill (-cmd_pid, SIGWINCH);
736#endif
737}
738
739/*----------------------------------------------------------------------*/
740/* load and set the various fonts */
741bool
742rxvt_term::set_fonts ()
743{
744 rxvt_fontset *fs = new rxvt_fontset (this);
745 rxvt_fontprop prop;
746
747 if (!fs
748 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
749 || !fs->realize_font (1))
750 {
751 delete fs;
752 return false;
753 }
754
755#if ENABLE_STYLES
756 for (int i = RS_styleCount; --i; )
757 if (fontset[i] != fontset[0])
758 delete fontset[i];
759#endif
760
761 delete fontset[0];
762 fontset[0] = fs;
763
764 prop = (*fs)[rxvt_fontset::firstFont]->properties ();
765 prop.height += lineSpace;
766 prop.width += letterSpace;
767
768 fs->set_prop (prop, false);
769
770 fwidth = prop.width;
771 fheight = prop.height;
772 fbase = prop.ascent;
773
774 for (int style = 1; style < 4; style++)
775 {
776#if ENABLE_STYLES
777 const char *res = rs[Rs_font + style];
778
779 if (res && !*res)
780 fontset[style] = fontset[0];
781 else
782 {
783 fontset[style] = fs = new rxvt_fontset (this);
784 rxvt_fontprop prop2 = prop;
785
786 if (res)
787 {
788 fs->populate (res);
789 fs->set_prop (prop2, false);
790 }
791 else
792 {
793 fs->populate (fontset[0]->fontdesc);
794
795 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
796 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
797
798 fs->set_prop (prop2, true);
799 }
800
801 }
570#else 802#else
571 if (ioctl(fd, TIOCSWINSZ, &ws) < 0) { 803 fontset[style] = fontset[0];
572 D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));
573 }
574# ifdef SIGWINCH
575 else if (pid) /* force through to the command */
576 kill(pid, SIGWINCH);
577# endif 804#endif
578#endif 805 }
579}
580 806
581/*----------------------------------------------------------------------*/ 807 if (parent)
582/* rxvt_change_font() - Switch to a new font */ 808 {
583/* 809 resize_all_windows (0, 0, 0);
584 * init = 1 - initialize 810 scr_remap_chars ();
585 * 811 scr_touch (true);
586 * fontname == FONT_UP - switch to bigger font 812 }
587 * fontname == FONT_DN - switch to smaller font
588 */
589/* EXTPROTO */
590void
591rxvt_change_font(pR_ int init, const char *fontname)
592{
593}
594 813
595/* INTPROTO */ 814 return true;
815}
816
596void 817void
597rxvt_font_up_down(pR_ int n, int direction) 818rxvt_term::set_string_property (Atom prop, const char *str, int len)
598{ 819{
820 XChangeProperty (dpy, parent,
821 prop, XA_STRING, 8, PropModeReplace,
822 (const unsigned char *)str, len >= 0 ? len : strlen (str));
823}
824
825void
826rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
827{
828 XTextProperty ct;
829
830 if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
831 {
832 XSetTextProperty (dpy, parent, &ct, prop);
833 XFree (ct.value);
834 }
835}
836
837void
838rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
839{
840 wchar_t *ws = rxvt_mbstowcs (str, len);
841 char *s = rxvt_wcstoutf8 (ws);
842
843 XChangeProperty (dpy, parent,
844 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
845 (const unsigned char *)s, strlen (s));
846
847 free (s);
848 free (ws);
599} 849}
600 850
601/*----------------------------------------------------------------------*/ 851/*----------------------------------------------------------------------*/
602/*----------------------------------------------------------------------*/ 852/*----------------------------------------------------------------------*/
603/* xterm sequences - title, iconName, color (exptl) */ 853/* xterm sequences - title, iconName, color (exptl) */
604/* EXTPROTO */
605void 854void
606rxvt_set_title(pR_ const char *str) 855rxvt_term::set_title (const char *str)
607{ 856{
608#ifndef SMART_WINDOW_TITLE 857 set_mbstring_property (XA_WM_NAME, str);
609 XStoreName(R->Xdisplay, R->TermWin.parent[0], str); 858#if ENABLE_EWMH
610#else 859 set_utf8_property (xa[XA_NET_WM_NAME], str);
611 char *name;
612
613 if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
614 name = NULL;
615 if (name == NULL || STRCMP(name, str))
616 XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
617 if (name)
618 XFree(name);
619#endif 860#endif
620} 861}
621 862
622/* EXTPROTO */
623void 863void
624rxvt_set_iconName(pR_ const char *str) 864rxvt_term::set_icon_name (const char *str)
625{ 865{
626#ifndef SMART_WINDOW_TITLE 866 set_mbstring_property (XA_WM_ICON_NAME, str);
627 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str); 867#if ENABLE_EWMH
628#else 868 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
629 char *name;
630
631 if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
632 name = NULL;
633 if (name == NULL || STRCMP(name, str))
634 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
635 if (name)
636 XFree(name);
637#endif 869#endif
638} 870}
639 871
872void
873rxvt_term::set_window_color (int idx, const char *color)
874{
640#ifdef XTERM_COLOR_CHANGE 875#ifdef XTERM_COLOR_CHANGE
641/* EXTPROTO */
642void
643rxvt_set_window_color(pR_ int idx, const char *color)
644{
645 rxvt_color xcol; 876 rxvt_color xcol;
646 int i;
647 877
648 if (color == NULL || *color == '\0') 878 if (color == NULL || *color == '\0')
649 return; 879 return;
650 880
881 color = strdup (color);
882 allocated.push_back ((void *)color);
883 rs[Rs_color + idx] = color;
884
651/* handle color aliases */ 885 /* handle color aliases */
652 if (isdigit(*color)) { 886 if (isdigit (*color))
887 {
653 i = atoi(color); 888 int i = atoi (color);
654 if (i >= 8 && i <= 15) { /* bright colors */ 889
655 i -= 8; 890 if (i >= 8 && i <= 15)
656# ifndef NO_BRIGHTCOLOR 891 {
657 R->PixColors[idx] = R->PixColors[minBrightCOLOR + i]; 892 /* bright colors */
658 SET_PIXCOLOR(R, idx); 893 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
659 goto Done; 894 goto done;
660# endif
661 } 895 }
662 if (i >= 0 && i <= 7) { /* normal colors */ 896
663 R->PixColors[idx] = R->PixColors[minCOLOR + i]; 897 if (i >= 0 && i <= 7)
664 SET_PIXCOLOR(R, idx); 898 {
899 /* normal colors */
900 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
665 goto Done; 901 goto done;
666 } 902 }
667 } 903 }
668 if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
669 return;
670/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
671 904
672/* 905 set_color (xcol, color);
906
907 /*
673 * FIXME: should free colors here, but no idea how to do it so instead, 908 * FIXME: should free colors here, but no idea how to do it so instead,
674 * so just keep gobbling up the colormap 909 * so just keep gobbling up the colormap
675 */ 910 */
676# if 0
677 for (i = Color_Black; i <= Color_White; i++)
678 if (R->PixColors[idx] == R->PixColors[i])
679 break;
680 if (i > Color_White) {
681 /* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
682 XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
683 DisplayPlanes(R->Xdisplay, Xscreen));
684 }
685# endif
686 911
687 R->PixColors[idx] = xcol; 912 pix_colors_focused[idx] = xcol;
688 SET_PIXCOLOR(R, idx);
689 913
690/* XSetWindowAttributes attr; */ 914done:
691/* Cursor cursor; */
692 Done:
693 if (idx == Color_bg && !(R->Options & Opt_transparent))
694 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
695 R->PixColors[Color_bg]);
696
697/* handle Color_BD, scrollbar background, etc. */ 915 /*TODO: handle Color_BD, scrollbar background, etc. */
698 916
699 rxvt_set_colorfgbg(aR); 917 update_fade_color (idx);
700 rxvt_recolour_cursor(aR); 918 recolour_cursor ();
701/* the only reasonable way to enforce a clean update */ 919 scr_recolour ();
702 rxvt_scr_poweron(aR); 920#endif /* XTERM_COLOR_CHANGE */
703} 921}
704 922
705#else
706# define rxvt_set_window_color(aR_ idx,color) ((void)0)
707#endif /* XTERM_COLOR_CHANGE */
708
709/* EXTPROTO */
710void 923void
711rxvt_recolour_cursor(pR) 924rxvt_term::recolour_cursor ()
712{ 925{
713 rxvt_color xcol[2]; 926 XColor fg, bg;
714 927
715#if TODO 928 (ISSET_PIXCOLOR (Color_pointer_fg)
716 xcol[0] = R->PixColors[Color_pointer]; 929 ? pix_colors_focused[Color_pointer_fg]
717 xcol[1] = R->PixColors[Color_bg]; 930 : pix_colors_focused[Color_fg]).get (fg);
718 XQueryColors(R->Xdisplay, XCMAP, xcol, 2); 931
719 XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1])); 932 (ISSET_PIXCOLOR (Color_pointer_bg)
720#endif 933 ? pix_colors_focused[Color_pointer_bg]
934 : pix_colors_focused[Color_bg]).get (bg);
935
936 XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
721} 937}
722 938
723/*----------------------------------------------------------------------*/ 939/*----------------------------------------------------------------------*/
724/* 940/*
725 * find if fg/bg matches any of the normal (low-intensity) colors 941 * find if fg/bg matches any of the normal (low-intensity) colors
726 */ 942 */
727/* INTPROTO */
728void 943void
729rxvt_set_colorfgbg(pR) 944rxvt_term::set_colorfgbg ()
730{ 945{
731 unsigned int i; 946 unsigned int i;
732 const char *xpmb = "\0"; 947 const char *xpmb = "";
733 char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1]; 948 char fstr[] = "default";
949 char bstr[] = "default";
734 950
735 R->env_colorfgbg =
736 (char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);
737 STRCPY(fstr, "default");
738 STRCPY(bstr, "default");
739 for (i = Color_Black; i <= Color_White; i++) 951 for (i = Color_Black; i <= Color_White; i++)
740 if (R->PixColors[Color_fg] == R->PixColors[i]) { 952 if (pix_colors[Color_fg] == pix_colors[i])
953 {
741 sprintf(fstr, "%d", (i - Color_Black)); 954 sprintf (fstr, "%d", i - Color_Black);
742 break; 955 break;
743 } 956 }
957
744 for (i = Color_Black; i <= Color_White; i++) 958 for (i = Color_Black; i <= Color_White; i++)
745 if (R->PixColors[Color_bg] == R->PixColors[i]) { 959 if (pix_colors[Color_bg] == pix_colors[i])
960 {
746 sprintf(bstr, "%d", (i - Color_Black)); 961 sprintf (bstr, "%d", i - Color_Black);
747#ifdef XPM_BACKGROUND 962#ifdef BG_IMAGE_FROM_FILE
748 xpmb = "default;"; 963 xpmb = "default;";
749#endif 964#endif
750 break; 965 break;
751 } 966 }
967
752 sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); 968 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
753 putenv(R->env_colorfgbg);
754
755#ifndef NO_BRIGHTCOLOR
756 R->colorfgbg = DEFAULT_RSTYLE;
757 for (i = minCOLOR; i <= maxCOLOR; i++) {
758 if (R->PixColors[Color_fg] == R->PixColors[i])
759 R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
760 if (R->PixColors[Color_bg] == R->PixColors[i])
761 R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
762 }
763#endif
764} 969}
765 970
766/*----------------------------------------------------------------------*/ 971/*----------------------------------------------------------------------*/
767/*
768 * Colour determination for low colour displays, routine from
769 * Hans de Goede <hans@highrise.nl>
770 */
771 972
772/* EXTPROTO */ 973bool
773int 974rxvt_term::set_color (rxvt_color &color, const char *name)
774rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
775{ 975{
776 screen_in_out->set(aR_ colour); 976 if (color.set (this, name))
777
778 if (!screen_in_out->set(aR_ colour)) {
779 rxvt_print_error("can't allocate colour: %s", colour);
780 return false;
781 }
782
783 return true; 977 return true;
978
979 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
980 return false;
981}
982
983void
984rxvt_term::alias_color (int dst, int src)
985{
986 pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
784} 987}
785 988
786/* -------------------------------------------------------------------- * 989/* -------------------------------------------------------------------- *
787 * - WINDOW RESIZING - * 990 * - WINDOW RESIZING - *
788 * -------------------------------------------------------------------- */ 991 * -------------------------------------------------------------------- */
789/* EXTPROTO */
790void 992void
791rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height, 993rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
792 int ignoreparent)
793{ 994{
794 int fix_screen; 995 int fix_screen;
996 int old_width = szHint.width;
997 int old_height = szHint.height;
795 998
999 window_calc (newwidth, newheight);
1000
1001 bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
1002
1003 // to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
1004 if (set_hint)
1005 {
1006 szHint.flags &= ~(PBaseSize | PResizeInc);
1007 XSetWMNormalHints (dpy, parent, &szHint);
1008 szHint.flags |= PBaseSize | PResizeInc;
1009 }
1010
1011 if (!ignoreparent)
1012 {
796#ifdef SMART_RESIZE 1013#ifdef SMART_RESIZE
797 int old_width = R->szHint.width, old_height = R->szHint.height; 1014 /*
798#endif
799
800 rxvt_window_calc(aR_ width, height);
801 XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
802 if (!ignoreparent) {
803#ifdef SMART_RESIZE
804/*
805 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> 1015 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
806 * reposition window on resize depending on placement on screen 1016 * reposition window on resize depending on placement on screen
807 */ 1017 */
808 int x, y, x1, y1; 1018 int x, y, x1, y1;
809 int dx, dy; 1019 int dx, dy;
810 unsigned int unused_w1, unused_h1, unused_b1, unused_d1; 1020 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
811 Window unused_cr; 1021 Window unused_cr;
812 1022
813 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot, 1023 XTranslateCoordinates (dpy, parent, display->root,
814 0, 0, &x, &y, &unused_cr); 1024 0, 0, &x, &y, &unused_cr);
815 XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1, 1025 XGetGeometry (dpy, parent, &unused_cr, &x1, &y1,
816 &unused_w1, &unused_h1, &unused_b1, &unused_d1); 1026 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
817 /* 1027 /*
818 * if Xroot isn't the parent window, a WM will probably have offset 1028 * if display->root isn't the parent window, a WM will probably have offset
819 * our position for handles and decorations. Counter it 1029 * our position for handles and decorations. Counter it
820 */ 1030 */
821 if (x1 != x || y1 != y) { 1031 if (x1 != x || y1 != y)
1032 {
822 x -= x1; 1033 x -= x1;
823 y -= y1; 1034 y -= y1;
824 } 1035 }
825 1036
826 x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2; 1037 x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
827 y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2; 1038 y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
828 dx = old_width - R->szHint.width; 1039 dx = old_width - szHint.width;
829 dy = old_height - R->szHint.height; 1040 dy = old_height - szHint.height;
830 1041
831 /* Check position of the center of the window */ 1042 /* Check position of the center of the window */
832 if (x < x1) /* left half */ 1043 if (x < x1) /* left half */
833 dx = 0; 1044 dx = 0;
834 else if (x == x1) /* exact center */ 1045 else if (x == x1) /* exact center */
835 dx /= 2; 1046 dx /= 2;
836 if (y < y1) /* top half */ 1047 if (y < y1) /* top half */
837 dy = 0; 1048 dy = 0;
838 else if (y == y1) /* exact center */ 1049 else if (y == y1) /* exact center */
839 dy /= 2; 1050 dy /= 2;
840 1051
841 XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy, 1052 XMoveResizeWindow (dpy, parent, x + dx, y + dy,
842 R->szHint.width, R->szHint.height); 1053 szHint.width, szHint.height);
843#else 1054#else
844 XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width, 1055 XResizeWindow (dpy, parent, szHint.width, szHint.height);
845 R->szHint.height);
846#endif 1056#endif
847 } 1057 }
848 1058
849 fix_screen = (R->TermWin.ncol != R->prev_ncol 1059 if (set_hint)
850 || R->TermWin.nrow != R->prev_nrow); 1060 XSetWMNormalHints (dpy, parent, &szHint);
1061
1062 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1063
851 if (fix_screen || width != R->old_width || height != R->old_height) { 1064 if (fix_screen || newwidth != old_width || newheight != old_height)
852 if (scrollbar_visible(R)) {
853 XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
854 0, scrollbar_TotalWidth(), R->szHint.height);
855 rxvt_Resize_scrollBar(aR);
856 }
857 if (menubar_visible(R))
858 XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
859 0, TermWin_TotalWidth(), menuBar_TotalHeight());
860 XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
861 R->window_vt_y, TermWin_TotalWidth(),
862 TermWin_TotalHeight());
863#ifdef RXVT_GRAPHICS
864 if (R->old_height)
865 rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
866 R->old_height - R->szHint.base_height);
867#endif
868 rxvt_scr_clear(aR);
869#ifdef XPM_BACKGROUND
870 rxvt_resize_pixmap(aR);
871#endif
872 } 1065 {
1066 if (scrollBar.state)
1067 scrollBar.resize ();
873 1068
1069 XMoveResizeWindow (dpy, vt,
1070 window_vt_x, window_vt_y,
1071 width, height);
1072
1073#ifdef HAVE_BG_PIXMAP
1074 if (bg_window_size_sensitive ())
1075 update_background ();
1076#endif
1077 }
1078
874 if (fix_screen || R->old_height == 0) { 1079 if (fix_screen || old_height == 0)
875 int curr_screen = -1; 1080 scr_reset ();
876 uint16_t old_ncol = R->prev_ncol;
877
878 /* scr_reset only works on the primary screen */
879 if (R->old_height) /* this is not the first time through */
880 curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
881 rxvt_scr_reset(aR);
882 if (curr_screen >= 0) { /* this is not the first time through */
883 rxvt_scr_change_screen(aR_ curr_screen);
884 rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
885 }
886 }
887
888 R->old_width = R->szHint.width;
889 R->old_height = R->szHint.height;
890 1081
891#ifdef USE_XIM 1082#ifdef USE_XIM
892 rxvt_IMSetStatusPosition(aR); 1083 IMSetPosition ();
893#endif 1084#endif
894} 1085}
895 1086
896/* 1087/*
897 * Set the width/height of the vt window in characters. Units are pixels. 1088 * Set the width/height of the vt window in characters. Units are pixels.
898 * good for toggling 80/132 columns 1089 * good for toggling 80/132 columns
899 */ 1090 */
900/* EXTPROTO */
901void 1091void
902rxvt_set_widthheight(pR_ unsigned int width, unsigned int height) 1092rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
903{ 1093{
904 XWindowAttributes wattr; 1094 XWindowAttributes wattr;
905 1095
906 if (width == 0 || height == 0) { 1096 if (newwidth == 0 || newheight == 0)
1097 {
907 XGetWindowAttributes(R->Xdisplay, Xroot, &wattr); 1098 XGetWindowAttributes (dpy, display->root, &wattr);
1099
908 if (width == 0) 1100 if (newwidth == 0)
909 width = wattr.width - R->szHint.base_width; 1101 newwidth = wattr.width - szHint.base_width;
910 if (height == 0) 1102 if (newheight == 0)
911 height = wattr.height - R->szHint.base_height; 1103 newheight = wattr.height - szHint.base_height;
1104 }
1105
1106 if (newwidth != width || newheight != height)
912 } 1107 {
913 if (width != R->TermWin.width || height != R->TermWin.height) {
914 width += R->szHint.base_width; 1108 newwidth += szHint.base_width;
915 height += R->szHint.base_height; 1109 newheight += szHint.base_height;
916 rxvt_resize_all_windows(aR_ width, height, 0); 1110 resize_all_windows (newwidth, newheight, 0);
917 } 1111 }
918} 1112}
919 1113
920/* -------------------------------------------------------------------- * 1114/* -------------------------------------------------------------------- *
921 * - X INPUT METHOD ROUTINES - * 1115 * - X INPUT METHOD ROUTINES - *
922 * -------------------------------------------------------------------- */ 1116 * -------------------------------------------------------------------- */
923#ifdef USE_XIM 1117#ifdef USE_XIM
924/* INTPROTO */
925void
926rxvt_setSize(pR_ XRectangle * size)
927{
928 size->x = R->TermWin.int_bwidth;
929 size->y = R->TermWin.int_bwidth;
930 size->width = Width2Pixel(R->TermWin.ncol);
931 size->height = Height2Pixel(R->TermWin.nrow);
932}
933 1118
934/* INTPROTO */
935void 1119void
936rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg) 1120rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
937{ 1121{
938 *fg = R->PixColors[Color_fg]; 1122 fg = pix_colors [Color_fg];
939 *bg = R->PixColors[Color_bg]; 1123 bg = pix_colors [Color_bg];
1124}
1125
1126void
1127rxvt_term::im_set_size (XRectangle &size)
1128{
1129 // the int_bwidth terms make no sense to me
1130 size.x = int_bwidth;
1131 size.y = int_bwidth;
1132 size.width = Width2Pixel (ncol) + int_bwidth;
1133 size.height = Height2Pixel (nrow) + int_bwidth;
1134}
1135
1136void
1137rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1138 XRectangle &status_rect,
1139 const XRectangle &needed_rect)
1140{
1141 preedit_rect.x = needed_rect.width;
1142 preedit_rect.y = 0;
1143 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1144 preedit_rect.height = fheight;
1145
1146 status_rect.x = 0;
1147 status_rect.y = 0;
1148 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1149 status_rect.height = fheight;
940} 1150}
941 1151
942/* Checking whether input method is running. */ 1152/* Checking whether input method is running. */
943/* INTPROTO */
944Bool 1153bool
945rxvt_IMisRunning(pR) 1154rxvt_term::IMisRunning ()
946{ 1155{
947 char *p; 1156 Atom atom;
948 Atom atom; 1157 Window win;
949 Window win;
950 char server[IMBUFSIZ]; 1158 char server[IMBUFSIZ];
951 1159
952/* get current locale modifier */ 1160 /* get current locale modifier */
953 if ((p = XSetLocaleModifiers(NULL)) != NULL) { 1161 if (char *p = XSetLocaleModifiers (0))
1162 {
954 STRCPY(server, "@server="); 1163 strcpy (server, "@server=");
955 STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */ 1164 strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
1165
956 if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */ 1166 if (p = strchr (server + 1, '@')) /* first one only */
957 *p = '\0'; 1167 *p = '\0';
958 1168
959 atom = XInternAtom(R->Xdisplay, server, False); 1169 atom = XInternAtom (dpy, server, False);
960 win = XGetSelectionOwner(R->Xdisplay, atom); 1170 win = XGetSelectionOwner (dpy, atom);
1171
961 if (win != None) 1172 if (win != None)
962 return True; 1173 return true;
963 } 1174 }
1175
964 return False; 1176 return false;
965} 1177}
966 1178
967/* EXTPROTO */
968void 1179void
969rxvt_IMSendSpot(pR) 1180rxvt_term::IMSendSpot ()
970{ 1181{
971 XPoint spot; 1182 XPoint nspot;
972 XVaNestedList preedit_attr; 1183 XVaNestedList preedit_attr;
973 1184
974 if (R->Input_Context == NULL 1185 if (!Input_Context
975 || !R->TermWin.focus || !(R->input_style & XIMPreeditPosition) 1186 || !focus
976 || !(R->event_type == KeyPress 1187 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
977 || R->event_type == Expose
978 || R->event_type == NoExpose
979 || R->event_type == SelectionNotify
980 || R->event_type == ButtonRelease || R->event_type == FocusIn)
981 || !rxvt_IMisRunning(aR))
982 return; 1188 return;
983 1189
984 rxvt_setPosition(aR_ & spot); 1190 im_set_position (nspot);
985 1191
1192 if (nspot.x == spot.x && nspot.y == spot.y)
1193 return;
1194
1195 spot = nspot;
1196
986 preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL); 1197 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
987 XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL); 1198 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
988 XFree(preedit_attr); 1199 XFree (preedit_attr);
989} 1200}
990 1201
991/* EXTPROTO */
992void 1202void
993rxvt_setTermFontSet(pR_ int idx) 1203rxvt_term::im_destroy ()
994{ 1204{
995 char *string; 1205 if (input_method)
996 long length; 1206 {
997 int success = 0; 1207 if (Input_Context && input_method->xim)
1208 XDestroyIC (Input_Context);
998 1209
999 if (idx < 0 || idx >= MAX_NFONTS) 1210 display->put_xim (input_method);
1000 return; 1211 input_method = 0;
1001} 1212 }
1002 1213
1003/* INTPROTO */
1004void
1005rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1006 XRectangle * needed_rect)
1007{
1008 int mbh, vtx = 0;
1009
1010 if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1011 vtx = scrollbar_TotalWidth();
1012 mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1013 mbh -= R->TermWin.lineSpace;
1014
1015 preedit_rect->x = needed_rect->width + vtx;
1016 preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1017
1018 preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1019 + vtx;
1020 preedit_rect->height = Height2Pixel(1);
1021
1022 status_rect->x = vtx;
1023 status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1024
1025 status_rect->width = needed_rect->width ? needed_rect->width
1026 : Width2Pixel(R->TermWin.ncol + 1);
1027 status_rect->height = Height2Pixel(1);
1028}
1029
1030/* ARGSUSED */
1031/* INTPROTO */
1032void
1033rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1034 __attribute__ ((unused)), XPointer call_data
1035 __attribute__ ((unused)))
1036{
1037 dR;
1038
1039 R->Input_Context = NULL; 1214 Input_Context = 0;
1040/* To avoid Segmentation Fault in C locale: Solaris only? */
1041 if (STRCMP(R->locale, "C"))
1042 XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1043 rxvt_IMInstantiateCallback, NULL);
1044} 1215}
1045 1216
1046/* 1217#ifdef ENABLE_XIM_ONTHESPOT
1047 * X manual pages and include files don't match on some systems:
1048 * some think this is an XIDProc and others an XIMProc so we can't
1049 * use the first argument - need to update this to be nice for
1050 * both types via some sort of configure detection
1051 */
1052/* ARGSUSED */
1053/* EXTPROTO */
1054void
1055rxvt_IMInstantiateCallback(Display * unused
1056 __attribute__ ((unused)), XPointer client_data
1057 __attribute__ ((unused)), XPointer call_data
1058 __attribute__ ((unused)))
1059{
1060 dR;
1061 int i, found, had_im;
1062 const char *p;
1063 char **s;
1064 char buf[IMBUFSIZ];
1065 1218
1066 D_MAIN((stderr, "rxvt_IMInstantiateCallback()")); 1219static void
1067 if (R->Input_Context) 1220xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1068 return; 1221{
1222 ((rxvt_term *)client_data)->make_current ();
1223 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1224}
1069 1225
1070 found = had_im = 0; 1226static void
1071 p = R->rs[Rs_inputMethod]; 1227xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1072 if (p && *p) { 1228{
1073 had_im = 1; 1229 ((rxvt_term *)client_data)->make_current ();
1074 s = rxvt_splitcommastring(p); 1230 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1075 for (i = 0; s[i]; i++) { 1231}
1076 if (*s[i]) { 1232
1077 STRCPY(buf, "@im="); 1233static void
1078 STRNCAT(buf, s[i], IMBUFSIZ - 5); 1234xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1079 if ((p = XSetLocaleModifiers(buf)) != NULL && *p 1235{
1080 && (rxvt_IM_get_IC(aR) == True)) { 1236 rxvt_term *term = (rxvt_term *)client_data;
1081 found = 1; 1237 XIMText *text = call_data->text;
1082 break; 1238
1083 } 1239 term->make_current ();
1084 } 1240
1241 if (text)
1242 {
1243 wchar_t *str;
1244
1245 if (!text->encoding_is_wchar && text->string.multi_byte)
1246 {
1247 // of course, X makes it ugly again
1248 if (term->rs[Rs_imLocale])
1249 SET_LOCALE (term->rs[Rs_imLocale]);
1250
1251 str = rxvt_temp_buf<wchar_t> (text->length + 1);
1252 mbstowcs (str, text->string.multi_byte, text->length + 1);
1253
1254 if (term->rs[Rs_imLocale])
1255 SET_LOCALE (term->locale);
1085 } 1256 }
1086 for (i = 0; s[i]; i++) 1257 else
1087 free(s[i]); 1258 str = text->string.wide_char;
1088 free(s);
1089 }
1090 if (found)
1091 return;
1092 1259
1093/* try with XMODIFIERS env. var. */ 1260 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1094 if ((p = XSetLocaleModifiers("")) != NULL && *p) { 1261 DT_INT, call_data->caret,
1095 rxvt_IM_get_IC(aR); 1262 DT_INT, call_data->chg_first,
1096 return; 1263 DT_INT, call_data->chg_length,
1264 DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1265 DT_WCS_LEN, str, str ? (int)text->length : 0,
1266 DT_END));
1097 } 1267 }
1098 1268 else
1099/* try with no modifiers base IF the user didn't specify an IM */ 1269 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1100 if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p 1270 DT_INT, call_data->caret,
1101 && rxvt_IM_get_IC(aR) == True) 1271 DT_INT, call_data->chg_first,
1102 return; 1272 DT_INT, call_data->chg_length,
1273 DT_END));
1103} 1274}
1275
1276#if 0
1277static void
1278xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1279{
1280 ((rxvt_term *)client_data)->make_current ();
1281 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1282 DT_INT, call_data->position,
1283 DT_INT, call_data->direction,
1284 DT_INT, call_data->style,
1285 DT_END));
1286}
1287#endif
1288
1289#endif
1104 1290
1105/* 1291/*
1106 * Try to open a XIM with the current modifiers, then see if we can 1292 * Try to open a XIM with the current modifiers, then see if we can
1107 * open a suitable preedit type 1293 * open a suitable preedit type
1108 */ 1294 */
1109/* INTPROTO */
1110Bool 1295bool
1111rxvt_IM_get_IC(pR) 1296rxvt_term::IM_get_IC (const char *modifiers)
1112{ 1297{
1113 int i, j, found; 1298 int i, j, found;
1114 XIM xim; 1299 XIM xim;
1115 XPoint spot; 1300 XPoint spot;
1116 XRectangle rect, status_rect, needed_rect; 1301 XRectangle rect, status_rect, needed_rect;
1117 unsigned long fg, bg; 1302 unsigned long fg, bg;
1118 const char *p; 1303 const char *p;
1119 char **s; 1304 char **s;
1120 XIMStyles *xim_styles; 1305 XIMStyles *xim_styles;
1121 XVaNestedList preedit_attr, status_attr;
1122 XIMCallback ximcallback;
1123 1306
1124 D_MAIN((stderr, "rxvt_IM_get_IC()")); 1307 set_environ (envv);
1125 xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL); 1308
1126 if (xim == NULL) 1309 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1127 return False; 1310 return false;
1128 1311
1312 input_method = display->get_xim (locale, modifiers);
1313 if (input_method == NULL)
1314 return false;
1315
1316 xim = input_method->xim;
1317 spot.x = spot.y = -1;
1318
1129 xim_styles = NULL; 1319 xim_styles = NULL;
1130 if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL) 1320 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1131 || !xim_styles || !xim_styles->count_styles) { 1321 || !xim_styles || !xim_styles->count_styles)
1132 XCloseIM(xim); 1322 {
1323 im_destroy ();
1133 return False; 1324 return false;
1325 }
1326
1327 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1328
1329 for (int pi = 0; pi < 2; pi++)
1134 } 1330 {
1331 p = pet[pi];
1135 1332
1136 p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType] 1333 if (!p)
1137 : "OverTheSpot,OffTheSpot,Root"; 1334 continue;
1138 s = rxvt_splitcommastring(p); 1335
1336 s = rxvt_strsplit (',', p);
1337
1139 for (i = found = 0; !found && s[i]; i++) { 1338 for (i = found = 0; !found && s[i]; i++)
1339 {
1140 if (!STRCMP(s[i], "OverTheSpot")) 1340 if (!strcmp (s[i], "OverTheSpot"))
1141 R->input_style = (XIMPreeditPosition | XIMStatusNothing); 1341 input_style = XIMPreeditPosition | XIMStatusNothing;
1142 else if (!STRCMP(s[i], "OffTheSpot")) 1342 else if (!strcmp (s[i], "OffTheSpot"))
1143 R->input_style = (XIMPreeditArea | XIMStatusArea); 1343 input_style = XIMPreeditArea | XIMStatusArea;
1144 else if (!STRCMP(s[i], "Root")) 1344 else if (!strcmp (s[i], "Root"))
1145 R->input_style = (XIMPreeditNothing | XIMStatusNothing); 1345 input_style = XIMPreeditNothing | XIMStatusNothing;
1346 else if (!strcmp (s[i], "None"))
1347 input_style = XIMPreeditNone | XIMStatusNone;
1348#ifdef ENABLE_XIM_ONTHESPOT
1349 else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1350 input_style = XIMPreeditCallbacks | XIMStatusNothing;
1351#endif
1352 else
1353 input_style = XIMPreeditNothing | XIMStatusNothing;
1146 1354
1147 for (j = 0; j < xim_styles->count_styles; j++) 1355 for (j = 0; j < xim_styles->count_styles; j++)
1148 if (R->input_style == xim_styles->supported_styles[j]) { 1356 if (input_style == xim_styles->supported_styles[j])
1357 {
1358 rxvt_free_strsplit (s);
1359
1149 found = 1; 1360 found = 1;
1361 goto foundpet;
1362 }
1363
1364 }
1365
1366 rxvt_free_strsplit (s);
1367 }
1368
1369foundpet:
1370
1371 XFree (xim_styles);
1372
1373 if (!found)
1374 {
1375 im_destroy ();
1376 return false;
1377 }
1378
1379 XFontSet fs = 0;
1380 XVaNestedList preedit_attr = 0, status_attr = 0;
1381
1382 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1383 {
1384 // fake us a font-set, please
1385 char **missing_charset_list;
1386 int missing_charset_count;
1387 char *def_string;
1388 char pat[512];
1389
1390 sprintf (pat,
1391 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1392 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1393 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1394 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1395 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1396 "*",
1397 fheight,
1398 fheight + 1, fheight - 1,
1399 fheight - 2, fheight + 2);
1400
1401 fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1402 &missing_charset_list, &missing_charset_count, &def_string);
1403
1404 if (missing_charset_list)
1405 XFreeStringList (missing_charset_list);
1406
1407 if (!fs)
1408 {
1409 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1410 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1411 }
1412 }
1413
1414 if (input_style & XIMPreeditPosition)
1415 {
1416 im_set_size (rect);
1417 im_set_position (spot);
1418 im_set_color (fg, bg);
1419
1420 preedit_attr = XVaCreateNestedList (0,
1421 XNForeground, fg,
1422 XNBackground, bg,
1423 XNArea, &rect,
1424 XNSpotLocation, &spot,
1425 XNFontSet, fs,
1426 NULL);
1427 }
1428 else if (input_style & XIMPreeditArea)
1429 {
1430 im_set_color (fg, bg);
1431
1432 /*
1433 * The necessary width of preedit area is unknown
1434 * until create input context.
1435 */
1436 needed_rect.width = 0;
1437 im_set_preedit_area (rect, status_rect, needed_rect);
1438
1439 preedit_attr = XVaCreateNestedList (0,
1440 XNForeground, fg,
1441 XNBackground, bg,
1442 XNArea, &rect,
1443 XNFontSet, fs,
1444 NULL);
1445 status_attr = XVaCreateNestedList (0,
1446 XNForeground, fg,
1447 XNBackground, bg,
1448 XNArea, &status_rect,
1449 XNFontSet, fs,
1450 NULL);
1451 }
1452#if ENABLE_XIM_ONTHESPOT
1453 else if (input_style & XIMPreeditCallbacks)
1454 {
1455 XIMCallback xcb[4];
1456
1457 im_set_position (spot);
1458
1459 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1460 xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1461 xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1462# if 0
1463 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1464# endif
1465
1466 preedit_attr = XVaCreateNestedList (0,
1467 XNSpotLocation, &spot,
1468 XNPreeditStartCallback, &xcb[0],
1469 XNPreeditDoneCallback , &xcb[1],
1470 XNPreeditDrawCallback , &xcb[2],
1471# if 0
1472 XNPreeditCaretCallback, &xcb[3],
1473# endif
1474 NULL);
1475 }
1476#endif
1477
1478 Input_Context = XCreateIC (xim,
1479 XNInputStyle, input_style,
1480 XNClientWindow, vt,
1481 XNFocusWindow, parent,
1482 preedit_attr ? XNPreeditAttributes : NULL,
1483 preedit_attr,
1484 status_attr ? XNStatusAttributes : NULL,
1485 status_attr, NULL);
1486
1487 if (preedit_attr) XFree (preedit_attr);
1488 if (status_attr) XFree (status_attr);
1489 if (fs) XFreeFontSet (dpy, fs);
1490
1491 if (Input_Context == NULL)
1492 {
1493 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1494 im_destroy ();
1495 return false;
1496 }
1497
1498#if 0
1499 // unfortunately, only the focus window is used by XIM, hard to fix
1500 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1501 vt_select_input ();
1502#endif
1503
1504 IMSetPosition ();
1505
1506 return true;
1507}
1508
1509void
1510rxvt_term::im_cb ()
1511{
1512 int i;
1513 const char *p;
1514 char **s;
1515 char buf[IMBUFSIZ];
1516
1517 make_current ();
1518
1519 im_destroy ();
1520
1521 if (Input_Context)
1522 return;
1523
1524#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1525 if (rs[Rs_imLocale])
1526 SET_LOCALE (rs[Rs_imLocale]);
1527#endif
1528
1529 p = rs[Rs_inputMethod];
1530 if (p && *p)
1531 {
1532 bool found = false;
1533
1534 s = rxvt_strsplit (',', p);
1535
1536 for (i = 0; s[i]; i++)
1537 {
1538 if (*s[i])
1539 {
1540 strcpy (buf, "@im=");
1541 strncat (buf, s[i], IMBUFSIZ - 5);
1542 if (IM_get_IC (buf))
1543 {
1544 found = true;
1150 break; 1545 break;
1546 }
1151 } 1547 }
1152 } 1548 }
1153 for (i = 0; s[i]; i++)
1154 free(s[i]);
1155 free(s);
1156 XFree(xim_styles);
1157 1549
1550 rxvt_free_strsplit (s);
1551
1158 if (!found) { 1552 if (found)
1159 XCloseIM(xim); 1553 goto done;
1160 return False;
1161 } 1554 }
1162 1555
1163 ximcallback.callback = rxvt_IMDestroyCallback; 1556 /* try with XMODIFIERS env. var. */
1557 if (IM_get_IC (""))
1558 goto done;
1164 1559
1165/* XXX: not sure why we need this (as well as IC one below) */ 1560 /* try with no modifiers base IF the user didn't specify an IM */
1166 XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL); 1561 if (IM_get_IC ("@im=none"))
1562 goto done;
1167 1563
1168 preedit_attr = status_attr = NULL; 1564done:
1169 1565#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1170 if (R->input_style & XIMPreeditPosition) { 1566 if (rs[Rs_imLocale])
1171 rxvt_setSize(aR_ & rect); 1567 SET_LOCALE (locale);
1172 rxvt_setPosition(aR_ & spot); 1568#endif
1173 rxvt_setColor(aR_ & fg, &bg);
1174
1175 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1176 XNSpotLocation, &spot,
1177 XNForeground, fg, XNBackground, bg,
1178 //XNFontSet, R->TermWin.fontset,
1179 NULL);
1180 } else if (R->input_style & XIMPreeditArea) {
1181 rxvt_setColor(aR_ & fg, &bg);
1182
1183 /*
1184 * The necessary width of preedit area is unknown
1185 * until create input context.
1186 */
1187 needed_rect.width = 0;
1188
1189 rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1190
1191 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1192 XNForeground, fg, XNBackground, bg,
1193 //XNFontSet, R->TermWin.fontset,
1194 NULL);
1195 status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1196 XNForeground, fg, XNBackground, bg,
1197 //XNFontSet, R->TermWin.fontset,
1198 NULL);
1199 }
1200 R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1201 XNClientWindow, R->TermWin.parent[0],
1202 XNFocusWindow, R->TermWin.parent[0],
1203 XNDestroyCallback, &ximcallback,
1204 preedit_attr ? XNPreeditAttributes : NULL,
1205 preedit_attr,
1206 status_attr ? XNStatusAttributes : NULL,
1207 status_attr, NULL);
1208 if (preedit_attr)
1209 XFree(preedit_attr);
1210 if (status_attr)
1211 XFree(status_attr);
1212 if (R->Input_Context == NULL) {
1213 rxvt_print_error("failed to create input context");
1214 XCloseIM(xim);
1215 return False;
1216 }
1217 if (R->input_style & XIMPreeditArea)
1218 rxvt_IMSetStatusPosition(aR);
1219 D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1220 return True;
1221} 1569}
1222 1570
1223/* EXTPROTO */
1224void 1571void
1225rxvt_IMSetStatusPosition(pR) 1572rxvt_term::IMSetPosition ()
1226{ 1573{
1227 XRectangle preedit_rect, status_rect, *needed_rect; 1574 XRectangle preedit_rect, status_rect, *needed_rect;
1228 XVaNestedList preedit_attr, status_attr; 1575 XVaNestedList preedit_attr, status_attr;
1229 1576
1230 if (R->Input_Context == NULL 1577 if (!Input_Context
1231 || !R->TermWin.focus || !(R->input_style & XIMPreeditArea) 1578 || !focus
1579 || !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1232 || !rxvt_IMisRunning(aR)) 1580 || !IMisRunning ())
1233 return; 1581 return;
1234 1582
1583 if (input_style & XIMPreeditPosition)
1584 {
1585 im_set_size (preedit_rect);
1586 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1587
1588 XSetICValues (Input_Context,
1589 XNPreeditAttributes, preedit_attr, NULL);
1590 }
1591 else
1592 {
1235/* Getting the necessary width of preedit area */ 1593 /* Getting the necessary width of preedit area */
1236 status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL); 1594 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1237 XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL); 1595 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1238 XFree(status_attr); 1596 XFree (status_attr);
1239 1597
1240 rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect); 1598 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1599 XFree (needed_rect);
1241 1600
1242 preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL); 1601 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1243 status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL); 1602 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1244 1603
1245 XSetICValues(R->Input_Context, 1604 XSetICValues (Input_Context,
1246 XNPreeditAttributes, preedit_attr, 1605 XNPreeditAttributes, preedit_attr,
1247 XNStatusAttributes, status_attr, NULL); 1606 XNStatusAttributes, status_attr,
1607 NULL);
1248 1608
1609 XFree (status_attr);
1610 }
1611
1249 XFree(preedit_attr); 1612 XFree (preedit_attr);
1250 XFree(status_attr);
1251} 1613}
1252#endif /* USE_XIM */ 1614#endif /* USE_XIM */
1253 1615
1254/*----------------------------------------------------------------------*/ 1616void
1255rxvt_t rxvt_current_term; 1617rxvt_term::get_window_origin (int &x, int &y)
1618{
1619 Window cr;
1620 XTranslateCoordinates (dpy, parent, display->root, 0, 0, &x, &y, &cr);
1621}
1622
1623Pixmap
1624rxvt_term::get_pixmap_property (Atom property)
1625{
1626 Pixmap pixmap = None;
1627
1628 int aformat;
1629 unsigned long nitems, bytes_after;
1630 Atom atype;
1631 unsigned char *prop;
1632 int result = XGetWindowProperty (dpy, display->root, property,
1633 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1634 &nitems, &bytes_after, &prop);
1635 if (result == Success)
1636 {
1637 if (atype == XA_PIXMAP)
1638 pixmap = *(Pixmap *)prop;
1639 XFree (prop);
1640 }
1641
1642 return pixmap;
1643}
1644
1645#ifdef HAVE_BG_PIXMAP
1646
1647void
1648rxvt_term::update_background ()
1649{
1650 if (update_background_ev.is_active ())
1651 return;
1652
1653 bg_invalidate ();
1654
1655 ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
1656
1657 if (to_wait <= 0.)
1658 bg_render ();
1659 else
1660 update_background_ev.start (to_wait);
1661}
1662
1663void
1664rxvt_term::update_background_cb (ev::timer &w, int revents)
1665{
1666 make_current ();
1667
1668 update_background_ev.stop ();
1669 bg_render ();
1670 refresh_check ();
1671}
1672
1673#endif /* HAVE_BG_PIXMAP */
1256 1674
1257/*----------------------- end-of-file (C source) -----------------------*/ 1675/*----------------------- end-of-file (C source) -----------------------*/

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