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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.25 by pcg, Sat Jan 31 03:27:45 2004 UTC vs.
Revision 1.350 by sf-exg, Fri Jan 28 00:21:10 2011 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: main.c 2 * File: main.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * 4 *
5 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
6 * 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>
7 * - original version 7 * - original version
… …
11 * Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA> 11 * Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
12 * - extensive modifications 12 * - extensive modifications
13 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> 13 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
14 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> 14 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
15 * - extensive modifications 15 * - extensive modifications
16 * Copyright (c) 2003-2010 Marc Lehmann <pcg@goof.com>
16 * 17 *
17 * 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
18 * 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
19 * the Free Software Foundation; either version 2 of the License, or 20 * the Free Software Foundation; either version 2 of the License, or
20 * (at your option) any later version. 21 * (at your option) any later version.
… …
29 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 30 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30 *---------------------------------------------------------------------*/ 31 *---------------------------------------------------------------------*/
31 32
32#include "../config.h" /* NECESSARY */ 33#include "../config.h" /* NECESSARY */
33#include "rxvt.h" /* NECESSARY */ 34#include "rxvt.h" /* NECESSARY */
34#include "main.intpro" /* PROTOS for internal routines */ 35#include "init.h"
36#include "keyboard.h"
37#include "rxvtperl.h"
35 38
39#include <limits>
40
41#include <cassert>
36#include <signal.h> 42#include <csignal>
37
38#ifdef TTY_GID_SUPPORT
39# include <grp.h>
40#endif
41
42#ifdef HAVE_TERMIOS_H
43# include <termios.h>
44#endif
45
46#include <cstring> 43#include <cstring>
47 44
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>
53# endif
54#endif
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
48static char curlocale[128]; 62static char curlocale[128], savelocale[128];
49 63
50void 64bool
51rxvt_set_locale (const char *locale) 65rxvt_set_locale (const char *locale) NOTHROW
52{ 66{
53 if (locale && STRNCMP (locale, curlocale, 128)) 67 int size = strlen (locale) + 1;
54 { 68
55 STRNCPY (curlocale, locale, 128); 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);
56 setlocale (LC_CTYPE, curlocale); 76 setlocale (LC_CTYPE, curlocale);
57 } 77 return true;
58} 78}
59 79
60void * 80void
61rxvt_term::operator new (size_t s) 81rxvt_push_locale (const char *locale) NOTHROW
62{ 82{
63 void *p = malloc (s); 83 strcpy (savelocale, curlocale);
84 rxvt_set_locale (locale);
85}
64 86
65 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
66 return p; 150 return len;
67}
68 151
69void
70rxvt_term::operator delete (void *p, size_t s)
71{
72 free (p);
73} 152}
153#endif
74 154
75rxvt_term::rxvt_term () 155rxvt_term::rxvt_term ()
76: 156{
157#if HAVE_BG_PIXMAP
158 update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
159#endif
77#ifdef CURSOR_BLINK 160#ifdef CURSOR_BLINK
78 cursor_blink_ev (this, &rxvt_term::cursor_blink_cb), 161 cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
79#endif 162#endif
80#ifdef TEXT_BLINK 163#ifdef TEXT_BLINK
81 text_blink_ev (this, &rxvt_term::text_blink_cb), 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),
82#endif 181#endif
83#ifdef POINTER_BLANK 182#ifdef POINTER_BLANK
84 pointer_ev (this, &rxvt_term::pointer_cb), 183 pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
85#endif 184#endif
86 check_ev (this, &rxvt_term::check_cb), 185#ifndef NO_BELL
87 destroy_ev (this, &rxvt_term::destroy_cb), 186 bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
88 pty_ev (this, &rxvt_term::pty_cb), 187#endif
89 x_ev (this, &rxvt_term::x_cb), 188 child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
90 incr_ev (this, &rxvt_term::incr_cb) 189 flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
91{ 190 destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
191 pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
192 incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
193 termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
194 vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
195
92 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base; 196 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
197
198 termlist.push_back (this);
199
200#ifdef KEYSYM_RESOURCE
201 keyboard = new keyboard_manager;
202#endif
203}
204
205// clean up the most important stuff, do *not* call x or free mem etc.
206// for use before an emergency exit
207void
208rxvt_term::emergency_cleanup ()
209{
210 if (cmd_pid)
211 kill (-cmd_pid, SIGHUP);
212
213 pty_ev.stop ();
214 delete pty; pty = 0;
93} 215}
94 216
95rxvt_term::~rxvt_term () 217rxvt_term::~rxvt_term ()
96{ 218{
219 termlist.erase (find (termlist.begin (), termlist.end(), this));
220
221 emergency_cleanup ();
222
223#if ENABLE_STYLES
224 for (int i = RS_styleCount; --i; )
225 if (fontset[i] != fontset[0])
226 delete fontset[i];
227#endif
228 delete fontset[0];
229
230#ifdef HAVE_BG_PIXMAP
231 bg_destroy ();
232#endif
233
234 if (display)
235 {
236 selection_clear ();
237 selection_clear (true);
238
239#ifdef USE_XIM
240 im_destroy ();
241#endif
242 scrollBar.destroy ();
243 if (gc) XFreeGC (dpy, gc);
244
245 delete drawable;
246 // destroy all windows
247 if (parent[0])
248 XDestroyWindow (dpy, parent[0]);
249
250 for (int i = 0; i < TOTAL_COLORS; i++)
251 if (ISSET_PIXCOLOR (i))
252 {
253 pix_colors_focused [i].free (this);
254#if OFF_FOCUS_FADING
255 pix_colors_unfocused [i].free (this);
256#endif
257 }
258
259 clear ();
260
261 display->flush (); /* ideally .put should do this */
262 displays.put (display);
263 }
264
97 scr_release (); 265 scr_release ();
98 266
267 /* clear all resources */
268 for (int i = 0; i < allocated.size (); i++)
269 free (allocated [i]);
270
271 free (selection.text);
272 free (selection.clip_text);
273 // TODO: manage env vars in child only(!)
274 free (env_display);
275 free (env_term);
99 free (locale); 276 free (locale);
100 free (codeset); 277 free (v_buffer);
278 free (incr_buf);
101 279
102#ifndef NO_SETOWNER_TTYDEV 280 delete envv;
103 privileged_ttydev (RESTORE); 281 delete argv;
104#endif
105#ifdef UTMP_SUPPORT
106 privileged_utmp (RESTORE);
107#endif
108#ifdef USE_XIM
109 if (Input_Context != NULL)
110 {
111 XDestroyIC (Input_Context);
112 Input_Context = NULL;
113 }
114#endif
115 282
116 if (cmd_fd >= 0) 283#ifdef KEYSYM_RESOURCE
117 close (cmd_fd); 284 delete keyboard;
285#endif
286#ifndef NO_RESOURCES
287 XrmDestroyDatabase (option_db);
288#endif
289}
118 290
119 if (Xfd >= 0) 291// child has exited, usually destroys
120 XCloseDisplay (Xdisplay); 292void
293rxvt_term::child_cb (ev::child &w, int status)
294{
295 HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
121 296
122 delete PixColors; 297 cmd_pid = 0;
298
299 if (!option (Opt_hold))
300 destroy ();
123} 301}
124 302
125void 303void
126rxvt_term::destroy () 304rxvt_term::destroy ()
127{ 305{
306 if (destroy_ev.is_active ())
307 return;
308
309 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
310
311#if ENABLE_OVERLAY
312 scr_overlay_off ();
313#endif
314
315 if (display)
316 {
317#if USE_XIM
318 im_ev.stop (display);
319#endif
320 scrollbar_ev.stop (display);
321#if ENABLE_TRANSPARENCY || ENABLE_PERL
322 rootwin_ev.stop (display);
323#endif
324 incr_ev.stop ();
325 termwin_ev.stop (display);
326 vt_ev.stop (display);
327 }
328
128 check_ev.stop (); 329 flush_ev.stop ();
129 pty_ev.stop (); 330 pty_ev.stop ();
130 x_ev.stop ();
131#ifdef CURSOR_BLINK 331#ifdef CURSOR_BLINK
132 cursor_blink_ev.stop (); 332 cursor_blink_ev.stop ();
133#endif 333#endif
134#ifdef TEXT_BLINK 334#ifdef TEXT_BLINK
135 text_blink_ev.stop (); 335 text_blink_ev.stop ();
136#endif 336#endif
337#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
338 cont_scroll_ev.stop ();
339#endif
340#ifdef SELECTION_SCROLLING
341 sel_scroll_ev.stop ();
342#endif
137#ifdef POINTER_BLANK 343#ifdef POINTER_BLANK
138 pointer_ev.stop (); 344 pointer_ev.stop ();
139#endif 345#endif
140 346
141 destroy_ev.start (0); 347 destroy_ev.start ();
142} 348}
143 349
144void 350void
145rxvt_term::destroy_cb (time_watcher &w) 351rxvt_term::destroy_cb (ev::idle &w, int revents)
146{ 352{
147 SET_R (this); 353 make_current ();
148 354
149 delete this; 355 delete this;
150} 356}
151 357
152/*----------------------------------------------------------------------*/
153/* rxvt_init() */
154/* LIBPROTO */
155rxvt_t
156rxvt_init (int argc, const char *const *argv)
157{
158 SET_R (new rxvt_term);
159
160 if (!GET_R->init_vars () || !GET_R->init (argc, argv))
161 {
162 delete GET_R;
163 SET_R (0);
164 }
165
166 return GET_R;
167}
168
169void 358void
170rxvt_init_signals () 359rxvt_term::set_option (uint8_t opt, bool set)
171{ 360{
172/* install exit handler for cleanup */ 361 if (!opt)
173#if 0
174#ifdef HAVE_ATEXIT
175 atexit(rxvt_clean_exit);
176#else
177#endif
178#endif
179
180 struct sigaction sa;
181
182 sigfillset (&sa.sa_mask);
183 sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
184 sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
185 sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
186 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
187 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
188 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
189 sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
190
191/* need to trap SIGURG for SVR4 (Unixware) rlogin */
192/* signal (SIGURG, SIG_DFL); */
193
194 XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
195 //XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
196}
197
198bool
199rxvt_term::init (int argc, const char *const *argv)
200{
201 /*
202 * Save and then give up any super-user privileges
203 * If we need privileges in any area then we must specifically request it.
204 * We should only need to be root in these cases:
205 * 1. write utmp entries on some systems
206 * 2. chown tty on some systems
207 */
208 privileges (SAVE);
209 privileges (IGNORE);
210
211 init_secondary ();
212
213 const char **cmd_argv = init_resources (argc, argv);
214
215 set_locale ("");
216
217#if (MENUBAR_MAX)
218 menubar_read (rs[Rs_menu]);
219#endif
220#ifdef HAVE_SCROLLBARS
221 if (Options & Opt_scrollBar)
222 scrollBar.setIdle (); /* set existence for size calculations */
223#endif
224
225 create_windows (argc, argv);
226
227 init_xlocale ();
228
229 scr_reset (); /* initialize screen */
230#ifdef RXVT_GRAPHICS
231 Gr_reset (); /* reset graphics */
232#endif
233
234#if 0
235#ifdef DEBUG_X
236 XSynchronize(Xdisplay, True);
237#endif
238#endif
239
240#ifdef HAVE_SCROLLBARS
241 if (Options & Opt_scrollBar)
242 resize_scrollbar (); /* create and map scrollbar */
243#endif
244#if (MENUBAR_MAX)
245 if (menubar_visible(r))
246 XMapWindow (Xdisplay, menuBar.win);
247#endif
248#ifdef TRANSPARENT
249 if (Options & Opt_transparent)
250 {
251 XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
252 check_our_parents ();
253 }
254#endif
255 XMapWindow (Xdisplay, TermWin.vt);
256 XMapWindow (Xdisplay, TermWin.parent[0]);
257
258 init_env ();
259 init_command (cmd_argv);
260
261 x_ev.start (Xfd, EVENT_READ);
262 pty_ev.start (cmd_fd, EVENT_READ);
263
264 check_ev.start ();
265
266 process_x_events ();
267
268 return true;
269}
270
271/* ------------------------------------------------------------------------- *
272 * SIGNAL HANDLING & EXIT HANDLER *
273 * ------------------------------------------------------------------------- */
274/*
275 * Catch a SIGCHLD signal and exit if the direct child has died
276 */
277/* ARGSUSED */
278/* EXTPROTO */
279RETSIGTYPE
280rxvt_Child_signal(int sig __attribute__ ((unused)))
281{
282 int pid, save_errno = errno;
283 while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
284 ;
285 errno = save_errno;
286
287#if 0
288 if (pid == cmd_pid)
289 exit (EXIT_SUCCESS);
290#endif
291}
292
293/*
294 * Catch a fatal signal and tidy up before quitting
295 */
296/* EXTPROTO */
297RETSIGTYPE
298rxvt_Exit_signal(int sig)
299{
300 signal(sig, SIG_DFL);
301#ifdef DEBUG_CMD
302 rxvt_print_error("signal %d", sig);
303#endif
304 rxvt_clean_exit();
305 kill(getpid(), sig);
306}
307
308/* ARGSUSED */
309/* EXTPROTO */
310int
311rxvt_xerror_handler(const Display * display
312 __attribute__ ((unused)), const XErrorEvent * event)
313{
314 if (GET_R->allowedxerror == -1)
315 GET_R->allowedxerror = event->error_code;
316 else
317 {
318 rxvt_print_error("XError: Request: %d . %d, Error: %d",
319 event->request_code, event->minor_code,
320 event->error_code);
321
322 GET_R->destroy ();
323 }
324
325 return 0; 362 return;
363
364 uint8_t mask = 1 << (opt & 7);
365 uint8_t &val = options [opt >> 3];
366
367 val = val & ~mask | (set ? mask : 0);
326} 368}
327 369
328/*----------------------------------------------------------------------*/ 370/*----------------------------------------------------------------------*/
329/* 371/*
330 * Exit gracefully, clearing the utmp entry and restoring tty attributes 372 * Exit gracefully, clearing the utmp entry and restoring tty attributes
331 * TODO: if debugging, this should free up any known resources if we can 373 * TODO: if debugging, this should free up any known resources if we can
332 */ 374 */
333/* EXTPROTO */ 375static XErrorHandler old_xerror_handler;
334void
335rxvt_clean_exit ()
336{
337 GET_R->destroy ();
338}
339 376
340/* ------------------------------------------------------------------------- * 377static void
341 * MEMORY ALLOCATION WRAPPERS * 378rxvt_emergency_cleanup ()
342 * ------------------------------------------------------------------------- */
343/* EXTPROTO */
344void *
345rxvt_malloc(size_t size)
346{ 379{
347 void *p; 380 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
381 (*t)->emergency_cleanup ();
382}
348 383
349 p = malloc(size); 384#if !ENABLE_MINIMAL
350 if (p) 385static void
351 return p; 386print_x_error (Display *dpy, XErrorEvent *event)
387{
388 char buffer[BUFSIZ];
389 char mesg[BUFSIZ];
390 char number[32];
391 const char mtype[] = "XlibMessage";
392 XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
393 XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
394 rxvt_warn ("An X Error occurred, trying to continue after report.\n");
395 rxvt_warn ("%s: %s\n", mesg, buffer);
396 XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
397 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
398 sprintf(number, "%d", event->request_code);
399 XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
400 rxvt_warn ("(which is %s)\n", buffer);
401 if (event->request_code >= 128) {
402 XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
403 mesg, BUFSIZ);
404 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
405 }
406 if ((event->error_code == BadWindow) ||
407 (event->error_code == BadPixmap) ||
408 (event->error_code == BadCursor) ||
409 (event->error_code == BadFont) ||
410 (event->error_code == BadDrawable) ||
411 (event->error_code == BadColor) ||
412 (event->error_code == BadGC) ||
413 (event->error_code == BadIDChoice) ||
414 (event->error_code == BadValue) ||
415 (event->error_code == BadAtom)) {
416 if (event->error_code == BadValue)
417 XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
418 mesg, BUFSIZ);
419 else if (event->error_code == BadAtom)
420 XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
421 mesg, BUFSIZ);
422 else
423 XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
424 mesg, BUFSIZ);
425 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
426 }
427 XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
428 mesg, BUFSIZ);
429 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
430}
431#endif
352 432
353 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting"); 433int
354 rxvt_clean_exit(); 434rxvt_xerror_handler (Display *display, XErrorEvent *event)
435{
436 if (GET_R->allowedxerror == -1)
437 GET_R->allowedxerror = event->error_code;
438 else
439 {
440 // GET_R is most likely not the terminal which caused the error,
441 // so just output the error and continue
442#if ENABLE_MINIMAL
443 old_xerror_handler (display, event);
444#else
445 print_x_error (display, event);
446#endif
447 }
448
449 return 0;
450}
451
452int
453rxvt_xioerror_handler (Display *display)
454{
455 rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
456 DisplayString (display));
457 rxvt_emergency_cleanup ();
355 exit(EXIT_FAILURE); 458 _exit (EXIT_FAILURE);
356/* NOTREACHED */
357} 459}
358 460
359/* EXTPROTO */ 461static struct sig_handlers
360void *
361rxvt_calloc(size_t number, size_t size)
362{ 462{
363 void *p; 463 ev::sig sw_term, sw_int;
364 464
365 p = calloc(number, size); 465 /*
366 if (p) 466 * Catch a fatal signal and tidy up before quitting
367 return p; 467 */
468 void sig_term (ev::sig &w, int revents);
368 469
369 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting"); 470 sig_handlers ()
370 rxvt_clean_exit(); 471 {
371 exit(EXIT_FAILURE); 472 sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
372/* NOTREACHED */ 473 sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
373} 474 }
475} sig_handlers;
374 476
375/* EXTPROTO */
376void *
377rxvt_realloc(void *ptr, size_t size)
378{
379 void *p;
380
381 if (ptr)
382 p = realloc(ptr, size);
383 else
384 p = malloc(size);
385 if (p)
386 return p;
387
388 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
389 rxvt_clean_exit();
390 exit(EXIT_FAILURE);
391/* NOTREACHED */
392}
393
394/* ------------------------------------------------------------------------- *
395 * PRIVILEGED OPERATIONS *
396 * ------------------------------------------------------------------------- */
397/* take care of suid/sgid super-user (root) privileges */
398void 477void
399rxvt_term::privileges (int mode) 478sig_handlers::sig_term (ev::sig &w, int revents)
400{ 479{
401#if ! defined(__CYGWIN32__) 480 rxvt_emergency_cleanup ();
402# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) 481 w.stop ();
403/* setreuid() is the poor man's setuid(), seteuid() */ 482 kill (getpid (), w.signum);
404# define seteuid(a) setreuid(-1, (a)) 483}
405# define setegid(a) setregid(-1, (a)) 484
406# define HAVE_SETEUID 485static void
486rxvt_get_ttymode (struct termios *tio)
487{
488 if (tcgetattr (STDIN_FILENO, tio) < 0)
489 memset (tio, 0, sizeof (struct termios));
490
491 for (int i = 0; i < NCCS; i++)
492 tio->c_cc[i] = VDISABLE;
493
494 tio->c_cc[VINTR] = CINTR;
495 tio->c_cc[VQUIT] = CQUIT;
496 tio->c_cc[VERASE] = CERASE;
497#ifdef VERASE2
498 tio->c_cc[VERASE2] = CERASE2;
499#endif
500 tio->c_cc[VKILL] = CKILL;
501 tio->c_cc[VEOF] = CEOF;
502 tio->c_cc[VSTART] = CSTART;
503 tio->c_cc[VSTOP] = CSTOP;
504 tio->c_cc[VSUSP] = CSUSP;
505# ifdef VDSUSP
506 tio->c_cc[VDSUSP] = CDSUSP;
407# endif 507# endif
408# ifdef HAVE_SETEUID 508# ifdef VREPRINT
409 switch (mode) { 509 tio->c_cc[VREPRINT] = CRPRNT;
410 case IGNORE:
411 /*
412 * change effective uid/gid - not real uid/gid - so we can switch
413 * back to root later, as required
414 */
415 seteuid(getuid());
416 setegid(getgid());
417 break;
418 case SAVE:
419 euid = geteuid();
420 egid = getegid();
421 break;
422 case RESTORE:
423 seteuid(euid);
424 setegid(egid);
425 break;
426 }
427# else
428 switch (mode) {
429 case IGNORE:
430 setuid(getuid());
431 setgid(getgid());
432 /* FALLTHROUGH */
433 case SAVE:
434 /* FALLTHROUGH */
435 case RESTORE:
436 break;
437 }
438# endif 510# endif
439#endif 511# ifdef VDISCRD
440} 512 tio->c_cc[VDISCRD] = CFLUSH;
441
442#ifdef UTMP_SUPPORT
443void
444rxvt_term::privileged_utmp (char action)
445{
446 D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
447 action, next_utmp_action, getpid()));
448 if (next_utmp_action != action || (action != SAVE && action != RESTORE)
449 || (Options & Opt_utmpInhibit)
450 || ttydev == NULL || *ttydev == '\0')
451 return;
452
453 privileges (RESTORE);
454 if (action == SAVE) {
455 next_utmp_action = RESTORE;
456 makeutent (ttydev, rs[Rs_display_name]);
457 } else { /* action == RESTORE */
458 next_utmp_action = IGNORE;
459 cleanutent ();
460 }
461 privileges (IGNORE);
462}
463#endif
464
465#ifndef NO_SETOWNER_TTYDEV
466void
467rxvt_term::privileged_ttydev (char action)
468{
469 D_MAIN((stderr,
470 "privileged_ttydev (%c); waiting for: %c (pid: %d)",
471 action, next_tty_action, getpid()));
472 if (next_tty_action != action || (action != SAVE && action != RESTORE)
473 || ttydev == NULL || *ttydev == '\0')
474 return;
475
476 privileges (RESTORE);
477
478 if (action == SAVE) {
479 next_tty_action = RESTORE;
480# ifndef RESET_TTY_TO_COMMON_DEFAULTS
481/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
482 if (lstat(ttydev, &ttyfd_stat) < 0) /* you lose out */
483 next_tty_action = IGNORE;
484 else
485# endif 513# endif
486 { 514# ifdef VWERSE
487 chown(ttydev, getuid(), ttygid); /* fail silently */ 515 tio->c_cc[VWERSE] = CWERASE;
488 chmod(ttydev, ttymode);
489# ifdef HAVE_REVOKE
490 revoke(ttydev);
491# endif 516# endif
492 } 517# ifdef VLNEXT
493 } else { /* action == RESTORE */ 518 tio->c_cc[VLNEXT] = CLNEXT;
494 next_tty_action = IGNORE;
495# ifndef RESET_TTY_TO_COMMON_DEFAULTS
496 chmod(ttydev, ttyfd_stat.st_mode);
497 chown(ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
498# else
499 chmod(ttydev,
500 (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
501 chown(ttydev, 0, 0);
502# endif 519# endif
503 } 520# ifdef VSTATUS
504 521 tio->c_cc[VSTATUS] = CSTATUS;
505 privileges (IGNORE);
506
507# ifndef RESET_TTY_TO_COMMON_DEFAULTS
508 D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
509 action == RESTORE ? "Restoring" : (action ==
510 SAVE ? "Saving" :
511 "UNKNOWN ERROR for"), ttydev,
512 ttyfd_stat.st_mode, ttyfd_stat.st_uid,
513 ttyfd_stat.st_gid));
514# endif 522# endif
515} 523
524# if VMIN != VEOF
525 tio->c_cc[VMIN] = 1;
516#endif 526# endif
527# if VTIME != VEOL
528 tio->c_cc[VTIME] = 0;
529# endif
530
531 /* input modes */
532 tio->c_iflag = (BRKINT | IGNPAR | ICRNL
533# ifdef IMAXBEL
534 | IMAXBEL
535# endif
536 | IXON);
537
538 /* output modes */
539 tio->c_oflag = (OPOST | ONLCR);
540
541 /* control modes */
542 tio->c_cflag = (CS8 | CREAD);
543
544 /* local modes */
545 tio->c_lflag = (ISIG | ICANON | IEXTEN | ECHO
546# if defined (ECHOCTL) && defined (ECHOKE)
547 | ECHOCTL | ECHOKE
548# endif
549 | ECHOE | ECHOK);
550}
551
552char **rxvt_environ; // startup environment
553
554void
555rxvt_init ()
556{
557 assert (("fontMask must not overlap other RS masks",
558 0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
559
560 rxvt_get_ttymode (&rxvt_term::def_tio);
561
562 // get rid of stdin/stdout as we don't need them, to free resources
563 dup2 (STDERR_FILENO, STDIN_FILENO);
564 dup2 (STDERR_FILENO, STDOUT_FILENO);
565
566 if (!ev_default_loop ())
567 rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
568
569 rxvt_environ = environ;
570
571 signal (SIGHUP, SIG_IGN);
572 signal (SIGPIPE, SIG_IGN);
573
574 sig_handlers.sw_term.start (SIGTERM); ev_unref ();
575 sig_handlers.sw_int.start (SIGINT); ev_unref ();
576
577 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
578 // TODO: handle this with exceptions and tolerate the memory loss
579 XSetIOErrorHandler (rxvt_xioerror_handler);
580
581 XrmInitialize ();
582}
517 583
518/*----------------------------------------------------------------------*/ 584/*----------------------------------------------------------------------*/
519/* 585/*
520 * window size/position calculcations for XSizeHint and other storage. 586 * window size/position calculations for XSizeHint and other storage.
521 * if width/height are non-zero then override calculated width/height 587 * if width/height are non-zero then override calculated width/height
522 */ 588 */
523void 589void
524rxvt_term::window_calc (unsigned int width, unsigned int height) 590rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
525{ 591{
526 short recalc_x, recalc_y; 592 short recalc_x, recalc_y;
527 int x, y, sb_w, mb_h, flags; 593 int x, y, flags;
528 unsigned int w, h; 594 unsigned int w, h;
529 unsigned int max_width, max_height; 595 unsigned int max_width, max_height;
530 596
531 D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
532 TermWin.ncol, TermWin.nrow, szHint.width,
533 szHint.height));
534 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; 597 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
535 szHint.win_gravity = NorthWestGravity; 598 szHint.win_gravity = NorthWestGravity;
536/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */ 599 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
537 600
538 recalc_x = recalc_y = 0; 601 recalc_x = recalc_y = 0;
539 flags = 0; 602 flags = 0;
603
540 if (!parsed_geometry) { 604 if (!parsed_geometry)
605 {
541 parsed_geometry = 1; 606 parsed_geometry = 1;
607
542 if (rs[Rs_geometry]) 608 if (rs[Rs_geometry])
543 flags = XParseGeometry(rs[Rs_geometry], &x, &y, &w, &h); 609 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
610
544 if (flags & WidthValue) { 611 if (flags & WidthValue)
545 TermWin.ncol = BOUND_POSITIVE_INT16(w); 612 {
613 if (!w)
614 rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
615
616 ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
546 szHint.flags |= USSize; 617 szHint.flags |= USSize;
547 } 618 }
619
548 if (flags & HeightValue) { 620 if (flags & HeightValue)
549 TermWin.nrow = BOUND_POSITIVE_INT16(h); 621 {
622 if (!h)
623 rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
624
625 nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
550 szHint.flags |= USSize; 626 szHint.flags |= USSize;
551 } 627 }
628
552 if (flags & XValue) { 629 if (flags & XValue)
630 {
553 szHint.x = x; 631 szHint.x = x;
554 szHint.flags |= USPosition; 632 szHint.flags |= USPosition;
633
555 if (flags & XNegative) { 634 if (flags & XNegative)
635 {
556 recalc_x = 1; 636 recalc_x = 1;
557 szHint.win_gravity = NorthEastGravity; 637 szHint.win_gravity = NorthEastGravity;
558 } 638 }
559 } 639 }
640
560 if (flags & YValue) { 641 if (flags & YValue)
642 {
561 szHint.y = y; 643 szHint.y = y;
562 szHint.flags |= USPosition; 644 szHint.flags |= USPosition;
645
563 if (flags & YNegative) { 646 if (flags & YNegative)
647 {
564 recalc_y = 1; 648 recalc_y = 1;
649
565 if (szHint.win_gravity == NorthEastGravity) 650 if (szHint.win_gravity == NorthEastGravity)
566 szHint.win_gravity = SouthEastGravity; 651 szHint.win_gravity = SouthEastGravity;
567 else 652 else
568 szHint.win_gravity = SouthWestGravity; 653 szHint.win_gravity = SouthWestGravity;
569 } 654 }
570 } 655 }
571 } 656 }
657
572/* TODO: BOUNDS */ 658 /* TODO: BOUNDS */
573 TermWin.width = TermWin.ncol * TermWin.fwidth; 659 width = ncol * fwidth;
574 TermWin.height = TermWin.nrow * TermWin.fheight; 660 height = nrow * fheight;
575 max_width = MAX_COLS * TermWin.fwidth; 661 max_width = MAX_COLS * fwidth;
576 max_height = MAX_ROWS * TermWin.fheight; 662 max_height = MAX_ROWS * fheight;
577 663
578 szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth; 664 szHint.base_width = szHint.base_height = 2 * int_bwidth;
579 665
580 sb_w = mb_h = 0;
581 window_vt_x = window_vt_y = 0; 666 window_vt_x = window_vt_y = int_bwidth;
582 if (scrollbar_visible ()) { 667
668 if (scrollBar.state)
669 {
583 sb_w = scrollbar_TotalWidth(); 670 int sb_w = scrollBar.total_width ();
584 szHint.base_width += sb_w; 671 szHint.base_width += sb_w;
672
585 if (!(Options & Opt_scrollBar_right)) 673 if (!option (Opt_scrollBar_right))
586 window_vt_x = sb_w; 674 window_vt_x += sb_w;
587 } 675 }
588 if (menubar_visible ()) { 676
589 mb_h = menuBar_TotalHeight();
590 szHint.base_height += mb_h;
591 window_vt_y = mb_h;
592 }
593 szHint.width_inc = TermWin.fwidth; 677 szHint.width_inc = fwidth;
594 szHint.height_inc = TermWin.fheight; 678 szHint.height_inc = fheight;
595 szHint.min_width = szHint.base_width + szHint.width_inc; 679 szHint.min_width = szHint.base_width + szHint.width_inc;
596 szHint.min_height = szHint.base_height + szHint.height_inc; 680 szHint.min_height = szHint.base_height + szHint.height_inc;
597 681
598 if (width && width - szHint.base_width < max_width) { 682 if (newwidth && newwidth - szHint.base_width < max_width)
683 {
599 szHint.width = width; 684 szHint.width = newwidth;
600 TermWin.width = width - szHint.base_width; 685 width = newwidth - szHint.base_width;
601 } else { 686 }
602 MIN_IT(TermWin.width, max_width); 687 else
688 {
689 min_it (width, max_width);
603 szHint.width = szHint.base_width + TermWin.width; 690 szHint.width = szHint.base_width + width;
604 } 691 }
692
605 if (height && height - szHint.base_height < max_height) { 693 if (newheight && newheight - szHint.base_height < max_height)
694 {
606 szHint.height = height; 695 szHint.height = newheight;
607 TermWin.height = height - szHint.base_height; 696 height = newheight - szHint.base_height;
608 } else { 697 }
698 else
699 {
609 MIN_IT(TermWin.height, max_height); 700 min_it (height, max_height);
610 szHint.height = szHint.base_height + TermWin.height; 701 szHint.height = szHint.base_height + height;
611 } 702 }
612 if (scrollbar_visible () && (Options & Opt_scrollBar_right))
613 window_sb_x = szHint.width - sb_w;
614 703
615 if (recalc_x) 704 if (recalc_x)
616 szHint.x += (DisplayWidth (Xdisplay, DefaultScreen (Xdisplay)) 705 szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
617 - szHint.width - 2 * TermWin.ext_bwidth); 706
618 if (recalc_y) 707 if (recalc_y)
619 szHint.y += (DisplayHeight (Xdisplay, DefaultScreen (Xdisplay)) 708 szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
620 - szHint.height - 2 * TermWin.ext_bwidth);
621 709
622 TermWin.ncol = TermWin.width / TermWin.fwidth; 710 ncol = width / fwidth;
623 TermWin.nrow = TermWin.height / TermWin.fheight; 711 nrow = height / fheight;
624 D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
625 TermWin.ncol, TermWin.nrow, szHint.width,
626 szHint.height));
627 return;
628} 712}
629 713
630/*----------------------------------------------------------------------*/ 714/*----------------------------------------------------------------------*/
631/* 715/*
632 * Tell the teletype handler what size the window is. 716 * Tell the teletype handler what size the window is.
633 * Called after a window size change. 717 * Called after a window size change.
634 */ 718 */
635void 719void
636rxvt_term::tt_winch () 720rxvt_term::tt_winch ()
637{ 721{
722 if (pty->pty < 0)
723 return;
724
638 struct winsize ws; 725 struct winsize ws;
639 726
640 if (cmd_fd < 0)
641 return;
642
643 ws.ws_col = TermWin.ncol; 727 ws.ws_col = ncol;
644 ws.ws_row = TermWin.nrow; 728 ws.ws_row = nrow;
645 ws.ws_xpixel = ws.ws_ypixel = 0; 729 ws.ws_xpixel = width;
646#ifndef DEBUG_SIZE 730 ws.ws_ypixel = height;
647 (void)ioctl (cmd_fd, TIOCSWINSZ, &ws); 731 ioctl (pty->pty, TIOCSWINSZ, &ws);
648#else 732
649 if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0) 733#if 0
650 D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd)); 734 // TIOCSWINSZ is supposed to do this automatically and correctly
651# ifdef SIGWINCH
652 else if (cmd_pid) /* force through to the command */ 735 if (cmd_pid) /* force through to the command */
653 kill (cmd_pid, SIGWINCH); 736 kill (-cmd_pid, SIGWINCH);
654# endif
655#endif 737#endif
656} 738}
657 739
658/*----------------------------------------------------------------------*/ 740/*----------------------------------------------------------------------*/
659/* rxvt_change_font() - Switch to a new font */ 741/* set_fonts () - load and set the various fonts
660/* 742 *
661 * init = 1 - initialize 743 * init = 1 - initialize
662 * 744 *
663 * fontname == FONT_UP - switch to bigger font 745 * fontname == FONT_UP - switch to bigger font
664 * fontname == FONT_DN - switch to smaller font 746 * fontname == FONT_DN - switch to smaller font
665 */ 747 */
666void 748bool
667rxvt_term::change_font (int init, const char *fontname) 749rxvt_term::set_fonts ()
668{ 750{
669} 751 rxvt_fontset *fs = new rxvt_fontset (this);
752 rxvt_fontprop prop;
670 753
754 if (!fs
755 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
756 || !fs->realize_font (1))
757 {
758 delete fs;
759 return false;
760 }
761
762#if ENABLE_STYLES
763 for (int i = RS_styleCount; --i; )
764 if (fontset[i] != fontset[0])
765 delete fontset[i];
766#endif
767
768 delete fontset[0];
769 fontset[0] = fs;
770
771 prop = (*fs)[rxvt_fontset::firstFont]->properties ();
772 prop.height += lineSpace;
773 prop.width += letterSpace;
774
775 fs->set_prop (prop, false);
776
777 fwidth = prop.width;
778 fheight = prop.height;
779 fbase = prop.ascent;
780
781 for (int style = 1; style < 4; style++)
782 {
783#if ENABLE_STYLES
784 const char *res = rs[Rs_font + style];
785
786 if (res && !*res)
787 fontset[style] = fontset[0];
788 else
789 {
790 fontset[style] = fs = new rxvt_fontset (this);
791 rxvt_fontprop prop2 = prop;
792
793 if (res)
794 {
795 fs->populate (res);
796 fs->set_prop (prop2, false);
797 }
798 else
799 {
800 fs->populate (fontset[0]->fontdesc);
801
802 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
803 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
804
805 fs->set_prop (prop2, true);
806 }
807
808 }
809#else
810 fontset[style] = fontset[0];
811#endif
812 }
813
814 if (parent[0])
815 {
816 resize_all_windows (0, 0, 0);
817 scr_remap_chars ();
818 scr_touch (true);
819 }
820
821 return true;
822}
823
671void 824void
672rxvt_term::font_up_down (int n, int direction) 825rxvt_term::set_string_property (Atom prop, const char *str, int len)
673{ 826{
827 XChangeProperty (dpy, parent[0],
828 prop, XA_STRING, 8, PropModeReplace,
829 (const unsigned char *)str, len >= 0 ? len : strlen (str));
830}
831
832void
833rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
834{
835 XTextProperty ct;
836
837 if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
838 {
839 XSetTextProperty (dpy, parent[0], &ct, prop);
840 XFree (ct.value);
841 }
842}
843
844void
845rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
846{
847 wchar_t *ws = rxvt_mbstowcs (str, len);
848 char *s = rxvt_wcstoutf8 (ws);
849
850 XChangeProperty (dpy, parent[0],
851 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
852 (const unsigned char *)s, strlen (s));
853
854 free (s);
855 free (ws);
674} 856}
675 857
676/*----------------------------------------------------------------------*/ 858/*----------------------------------------------------------------------*/
677/*----------------------------------------------------------------------*/ 859/*----------------------------------------------------------------------*/
678/* xterm sequences - title, iconName, color (exptl) */ 860/* xterm sequences - title, iconName, color (exptl) */
679void 861void
680rxvt_term::set_title (const char *str) 862rxvt_term::set_title (const char *str)
681{ 863{
682#ifndef SMART_WINDOW_TITLE 864 set_mbstring_property (XA_WM_NAME, str);
683 XStoreName(Xdisplay, TermWin.parent[0], str); 865#if ENABLE_EWMH
684#else 866 set_utf8_property (xa[XA_NET_WM_NAME], str);
685 char *name;
686
687 if (XFetchName(Xdisplay, TermWin.parent[0], &name) == 0)
688 name = NULL;
689 if (name == NULL || STRCMP(name, str))
690 XStoreName(Xdisplay, TermWin.parent[0], str);
691 if (name)
692 XFree(name);
693#endif 867#endif
694} 868}
695 869
696void 870void
697rxvt_term::set_iconName (const char *str) 871rxvt_term::set_icon_name (const char *str)
698{ 872{
699#ifndef SMART_WINDOW_TITLE 873 set_mbstring_property (XA_WM_ICON_NAME, str);
700 XSetIconName(Xdisplay, TermWin.parent[0], str); 874#if ENABLE_EWMH
701#else 875 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
702 char *name;
703
704 if (XGetIconName(Xdisplay, TermWin.parent[0], &name))
705 name = NULL;
706 if (name == NULL || STRCMP(name, str))
707 XSetIconName(Xdisplay, TermWin.parent[0], str);
708 if (name)
709 XFree(name);
710#endif 876#endif
711} 877}
712 878
879void
880rxvt_term::set_window_color (int idx, const char *color)
881{
713#ifdef XTERM_COLOR_CHANGE 882#ifdef XTERM_COLOR_CHANGE
714void
715rxvt_term::set_window_color (int idx, const char *color)
716{
717 rxvt_color xcol; 883 rxvt_color xcol;
718 int i;
719 884
720 if (color == NULL || *color == '\0') 885 if (color == NULL || *color == '\0')
721 return; 886 return;
722 887
888 color = strdup (color);
889 allocated.push_back ((void *)color);
890 rs[Rs_color + idx] = color;
891
723/* handle color aliases */ 892 /* handle color aliases */
724 if (isdigit(*color)) { 893 if (isdigit (*color))
894 {
725 i = atoi(color); 895 int i = atoi (color);
726 if (i >= 8 && i <= 15) { /* bright colors */ 896
727 i -= 8; 897 if (i >= 8 && i <= 15)
728# ifndef NO_BRIGHTCOLOR 898 {
899 /* bright colors */
729 PixColors[idx] = PixColors[minBrightCOLOR + i]; 900 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
730 SET_PIXCOLOR(idx);
731 goto Done; 901 goto done;
732# endif
733 } 902 }
734 if (i >= 0 && i <= 7) { /* normal colors */ 903
904 if (i >= 0 && i <= 7)
905 {
906 /* normal colors */
735 PixColors[idx] = PixColors[minCOLOR + i]; 907 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
736 SET_PIXCOLOR(idx);
737 goto Done; 908 goto done;
738 } 909 }
739 } 910 }
740 if (!rXParseAllocColor (& xcol, color))
741 return;
742/* XStoreColor (Xdisplay, XCMAP, XColor*); */
743 911
744/* 912 set_color (xcol, color);
913
914 /*
745 * FIXME: should free colors here, but no idea how to do it so instead, 915 * FIXME: should free colors here, but no idea how to do it so instead,
746 * so just keep gobbling up the colormap 916 * so just keep gobbling up the colormap
747 */ 917 */
748# if 0
749 for (i = Color_Black; i <= Color_White; i++)
750 if (PixColors[idx] == PixColors[i])
751 break;
752 if (i > Color_White) {
753 /* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
754 XFreeColors(Xdisplay, XCMAP, (PixColors + idx), 1,
755 DisplayPlanes(Xdisplay, Xscreen));
756 }
757# endif
758 918
759 PixColors[idx] = xcol; 919 pix_colors_focused[idx] = xcol;
760 SET_PIXCOLOR(idx);
761 920
762/* XSetWindowAttributes attr; */ 921done:
763/* Cursor cursor; */
764 Done:
765 if (idx == Color_bg && !(Options & Opt_transparent))
766 XSetWindowBackground(Xdisplay, TermWin.vt,
767 PixColors[Color_bg]);
768
769/* handle Color_BD, scrollbar background, etc. */ 922 /*TODO: handle Color_BD, scrollbar background, etc. */
770 923
771 set_colorfgbg (); 924 update_fade_color (idx);
772 recolour_cursor (); 925 recolour_cursor ();
773/* the only reasonable way to enforce a clean update */ 926 scr_recolour ();
774 scr_poweron (); 927#endif /* XTERM_COLOR_CHANGE */
775} 928}
776
777#else
778# define set_window_color (idx,color) ((void)0)
779#endif /* XTERM_COLOR_CHANGE */
780 929
781void 930void
782rxvt_term::recolour_cursor () 931rxvt_term::recolour_cursor ()
783{ 932{
784#if TODO 933 XColor fg, bg;
785 rxvt_color xcol[2];
786 934
787 xcol[0] = PixColors[Color_pointer]; 935 (ISSET_PIXCOLOR (Color_pointer_fg)
788 xcol[1] = PixColors[Color_bg]; 936 ? pix_colors_focused[Color_pointer_fg]
789 XQueryColors (Xdisplay, XCMAP, xcol, 2); 937 : pix_colors_focused[Color_fg]).get (fg);
938
939 (ISSET_PIXCOLOR (Color_pointer_bg)
940 ? pix_colors_focused[Color_pointer_bg]
941 : pix_colors_focused[Color_bg]).get (bg);
942
790 XRecolorCursor (Xdisplay, TermWin_cursor, &(xcol[0]), &(xcol[1])); 943 XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
791#endif
792} 944}
793 945
794/*----------------------------------------------------------------------*/ 946/*----------------------------------------------------------------------*/
795/* 947/*
796 * find if fg/bg matches any of the normal (low-intensity) colors 948 * find if fg/bg matches any of the normal (low-intensity) colors
797 */ 949 */
798void 950void
799rxvt_term::set_colorfgbg () 951rxvt_term::set_colorfgbg ()
800{ 952{
801 unsigned int i; 953 unsigned int i;
802 const char *xpmb = "\0"; 954 const char *xpmb = "";
803 char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1]; 955 char fstr[] = "default";
956 char bstr[] = "default";
804 957
805 env_colorfgbg =
806 (char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1);
807 STRCPY(fstr, "default");
808 STRCPY(bstr, "default");
809 for (i = Color_Black; i <= Color_White; i++) 958 for (i = Color_Black; i <= Color_White; i++)
810 if (PixColors[Color_fg] == PixColors[i]) { 959 if (pix_colors[Color_fg] == pix_colors[i])
960 {
811 sprintf(fstr, "%d", (i - Color_Black)); 961 sprintf (fstr, "%d", i - Color_Black);
812 break; 962 break;
813 } 963 }
964
814 for (i = Color_Black; i <= Color_White; i++) 965 for (i = Color_Black; i <= Color_White; i++)
815 if (PixColors[Color_bg] == PixColors[i]) { 966 if (pix_colors[Color_bg] == pix_colors[i])
967 {
816 sprintf(bstr, "%d", (i - Color_Black)); 968 sprintf (bstr, "%d", i - Color_Black);
817#ifdef XPM_BACKGROUND 969#ifdef BG_IMAGE_FROM_FILE
818 xpmb = "default;"; 970 xpmb = "default;";
819#endif 971#endif
820 break; 972 break;
821 } 973 }
974
822 sprintf(env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); 975 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
823 putenv(env_colorfgbg);
824
825#ifndef NO_BRIGHTCOLOR
826 colorfgbg = DEFAULT_RSTYLE;
827 for (i = minCOLOR; i <= maxCOLOR; i++) {
828 if (PixColors[Color_fg] == PixColors[i])
829 colorfgbg = SET_FGCOLOR(colorfgbg, i);
830 if (PixColors[Color_bg] == PixColors[i])
831 colorfgbg = SET_BGCOLOR(colorfgbg, i);
832 }
833#endif
834} 976}
835 977
836/*----------------------------------------------------------------------*/ 978/*----------------------------------------------------------------------*/
837/*
838 * Colour determination for low colour displays, routine from
839 * Hans de Goede <hans@highrise.nl>
840 */
841 979
842int 980bool
843rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour) 981rxvt_term::set_color (rxvt_color &color, const char *name)
844{ 982{
845 if (!screen_in_out->set (this, colour)) { 983 if (color.set (this, name))
846 rxvt_print_error("can't allocate colour: %s", colour);
847 return false;
848 }
849
850 return true; 984 return true;
985
986 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
987 return false;
988}
989
990void
991rxvt_term::alias_color (int dst, int src)
992{
993 pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
851} 994}
852 995
853/* -------------------------------------------------------------------- * 996/* -------------------------------------------------------------------- *
854 * - WINDOW RESIZING - * 997 * - WINDOW RESIZING - *
855 * -------------------------------------------------------------------- */ 998 * -------------------------------------------------------------------- */
856void 999void
857rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent) 1000rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
858{ 1001{
859 int fix_screen; 1002 int fix_screen;
1003 int old_width = szHint.width;
1004 int old_height = szHint.height;
860 1005
861#ifdef SMART_RESIZE
862 int old_width = szHint.width, old_height = szHint.height;
863#endif
864
865 window_calc (width, height); 1006 window_calc (newwidth, newheight);
1007
1008 bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
1009
1010 // to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
1011 if (set_hint)
1012 {
1013 szHint.flags &= ~(PBaseSize | PResizeInc);
866 XSetWMNormalHints (Xdisplay, TermWin.parent[0], &szHint); 1014 XSetWMNormalHints (dpy, parent[0], &szHint);
1015 szHint.flags |= PBaseSize | PResizeInc;
1016 }
1017
867 if (!ignoreparent) 1018 if (!ignoreparent)
868 { 1019 {
869#ifdef SMART_RESIZE 1020#ifdef SMART_RESIZE
870 /* 1021 /*
871 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> 1022 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
… …
874 int x, y, x1, y1; 1025 int x, y, x1, y1;
875 int dx, dy; 1026 int dx, dy;
876 unsigned int unused_w1, unused_h1, unused_b1, unused_d1; 1027 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
877 Window unused_cr; 1028 Window unused_cr;
878 1029
879 XTranslateCoordinates (Xdisplay, TermWin.parent[0], Xroot, 1030 XTranslateCoordinates (dpy, parent[0], display->root,
880 0, 0, &x, &y, &unused_cr); 1031 0, 0, &x, &y, &unused_cr);
881 XGetGeometry (Xdisplay, TermWin.parent[0], &unused_cr, &x1, &y1, 1032 XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
882 &unused_w1, &unused_h1, &unused_b1, &unused_d1); 1033 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
883 /* 1034 /*
884 * if Xroot isn't the parent window, a WM will probably have offset 1035 * if display->root isn't the parent window, a WM will probably have offset
885 * our position for handles and decorations. Counter it 1036 * our position for handles and decorations. Counter it
886 */ 1037 */
887 if (x1 != x || y1 != y) { 1038 if (x1 != x || y1 != y)
1039 {
888 x -= x1; 1040 x -= x1;
889 y -= y1; 1041 y -= y1;
890 } 1042 }
891 1043
892 x1 = (DisplayWidth (Xdisplay, Xscreen) - old_width) / 2; 1044 x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
893 y1 = (DisplayHeight (Xdisplay, Xscreen) - old_height) / 2; 1045 y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
894 dx = old_width - szHint.width; 1046 dx = old_width - szHint.width;
895 dy = old_height - szHint.height; 1047 dy = old_height - szHint.height;
896 1048
897 /* Check position of the center of the window */ 1049 /* Check position of the center of the window */
898 if (x < x1) /* left half */ 1050 if (x < x1) /* left half */
899 dx = 0; 1051 dx = 0;
900 else if (x == x1) /* exact center */ 1052 else if (x == x1) /* exact center */
901 dx /= 2; 1053 dx /= 2;
902 if (y < y1) /* top half */ 1054 if (y < y1) /* top half */
903 dy = 0; 1055 dy = 0;
904 else if (y == y1) /* exact center */ 1056 else if (y == y1) /* exact center */
905 dy /= 2; 1057 dy /= 2;
906 1058
907 XMoveResizeWindow (Xdisplay, TermWin.parent[0], x + dx, y + dy, 1059 XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
908 szHint.width, szHint.height); 1060 szHint.width, szHint.height);
909#else 1061#else
910 XResizeWindow (Xdisplay, TermWin.parent[0], szHint.width, 1062 XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
911 szHint.height);
912#endif 1063#endif
913 } 1064 }
914 1065
915 fix_screen = (TermWin.ncol != prev_ncol 1066 if (set_hint)
916 || TermWin.nrow != prev_nrow); 1067 XSetWMNormalHints (dpy, parent[0], &szHint);
917 1068
1069 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1070
918 if (fix_screen || width != old_width || height != old_height) 1071 if (fix_screen || newwidth != old_width || newheight != old_height)
919 { 1072 {
920 if (scrollbar_visible ()) 1073 if (scrollBar.state)
921 { 1074 scrollBar.resize ();
922 XMoveResizeWindow (Xdisplay, scrollBar.win, window_sb_x,
923 0, scrollbar_TotalWidth (), szHint.height);
924 resize_scrollbar ();
925 }
926 1075
927 if (menubar_visible ()) 1076 XMoveResizeWindow (dpy, vt,
928 XMoveResizeWindow (Xdisplay, menuBar.win, window_vt_x, 1077 window_vt_x, window_vt_y,
929 0, TermWin_TotalWidth (), menuBar_TotalHeight ());
930
931 XMoveResizeWindow (Xdisplay, TermWin.vt, window_vt_x,
932 window_vt_y, TermWin_TotalWidth (),
933 TermWin_TotalHeight ()); 1078 width, height);
934#ifdef RXVT_GRAPHICS 1079
935 if (old_height) 1080#ifdef HAVE_BG_PIXMAP
936 Gr_Resize (old_width - szHint.base_width, 1081 if (bg_window_size_sensitive ())
937 old_height - szHint.base_height); 1082 update_background ();
938#endif
939 scr_clear ();
940#ifdef XPM_BACKGROUND
941 resize_pixmap ();
942#endif 1083#endif
943 } 1084 }
944 1085
945 if (fix_screen || old_height == 0) 1086 if (fix_screen || old_height == 0)
946 {
947 int curr_screen = -1;
948 int old_ncol = prev_ncol;
949
950 /* scr_reset only works on the primary screen */
951 if (old_height) /* this is not the first time through */
952 {
953 unsigned int ncol = TermWin.ncol;
954 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
955 curr_screen = scr_change_screen (PRIMARY);
956 TermWin.ncol = ncol;
957 }
958
959 scr_reset(); 1087 scr_reset ();
960
961 if (curr_screen >= 0) /* this is not the first time through */
962 {
963 scr_change_screen (curr_screen);
964 selection_check (old_ncol != TermWin.ncol ? 4 : 0);
965 }
966 }
967
968 old_width = szHint.width;
969 old_height = szHint.height;
970 1088
971#ifdef USE_XIM 1089#ifdef USE_XIM
972 IMSetStatusPosition (); 1090 IMSetPosition ();
973#endif 1091#endif
974} 1092}
975 1093
976/* 1094/*
977 * Set the width/height of the vt window in characters. Units are pixels. 1095 * Set the width/height of the vt window in characters. Units are pixels.
978 * good for toggling 80/132 columns 1096 * good for toggling 80/132 columns
979 */ 1097 */
980void 1098void
981rxvt_term::set_widthheight (unsigned int width, unsigned int height) 1099rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
982{ 1100{
983 XWindowAttributes wattr; 1101 XWindowAttributes wattr;
984 1102
985 if (width == 0 || height == 0) { 1103 if (newwidth == 0 || newheight == 0)
1104 {
986 XGetWindowAttributes(Xdisplay, Xroot, &wattr); 1105 XGetWindowAttributes (dpy, display->root, &wattr);
1106
987 if (width == 0) 1107 if (newwidth == 0)
988 width = wattr.width - szHint.base_width; 1108 newwidth = wattr.width - szHint.base_width;
989 if (height == 0) 1109 if (newheight == 0)
990 height = wattr.height - szHint.base_height; 1110 newheight = wattr.height - szHint.base_height;
1111 }
1112
1113 if (newwidth != width || newheight != height)
991 } 1114 {
992 if (width != TermWin.width || height != TermWin.height) {
993 width += szHint.base_width; 1115 newwidth += szHint.base_width;
994 height += szHint.base_height; 1116 newheight += szHint.base_height;
995 resize_all_windows (width, height, 0); 1117 resize_all_windows (newwidth, newheight, 0);
996 } 1118 }
997} 1119}
998 1120
999/* -------------------------------------------------------------------- * 1121/* -------------------------------------------------------------------- *
1000 * - X INPUT METHOD ROUTINES - * 1122 * - X INPUT METHOD ROUTINES - *
1001 * -------------------------------------------------------------------- */ 1123 * -------------------------------------------------------------------- */
1002#ifdef USE_XIM 1124#ifdef USE_XIM
1003void
1004rxvt_term::set_size (XRectangle *size)
1005{
1006 size->x = TermWin.int_bwidth;
1007 size->y = TermWin.int_bwidth;
1008 size->width = Width2Pixel(TermWin.ncol);
1009 size->height = Height2Pixel(TermWin.nrow);
1010}
1011 1125
1012void 1126void
1013rxvt_term::set_color (unsigned long *fg, unsigned long *bg) 1127rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1014{ 1128{
1015 *fg = PixColors[Color_fg]; 1129 fg = pix_colors [Color_fg];
1016 *bg = PixColors[Color_bg]; 1130 bg = pix_colors [Color_bg];
1131}
1132
1133void
1134rxvt_term::im_set_size (XRectangle &size)
1135{
1136 // the int_bwidth terms make no sense to me
1137 size.x = int_bwidth;
1138 size.y = int_bwidth;
1139 size.width = Width2Pixel (ncol) + int_bwidth;
1140 size.height = Height2Pixel (nrow) + int_bwidth;
1141}
1142
1143void
1144rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1145 XRectangle &status_rect,
1146 const XRectangle &needed_rect)
1147{
1148 preedit_rect.x = needed_rect.width;
1149 preedit_rect.y = 0;
1150 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1151 preedit_rect.height = fheight;
1152
1153 status_rect.x = 0;
1154 status_rect.y = 0;
1155 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1156 status_rect.height = fheight;
1017} 1157}
1018 1158
1019/* Checking whether input method is running. */ 1159/* Checking whether input method is running. */
1020bool 1160bool
1021rxvt_term::IMisRunning () 1161rxvt_term::IMisRunning ()
1022{ 1162{
1023 char *p; 1163 Atom atom;
1024 Atom atom; 1164 Window win;
1025 Window win;
1026 char server[IMBUFSIZ]; 1165 char server[IMBUFSIZ];
1027 1166
1028/* get current locale modifier */ 1167 /* get current locale modifier */
1029 if ((p = XSetLocaleModifiers(NULL)) != NULL) { 1168 if (char *p = XSetLocaleModifiers (0))
1169 {
1030 STRCPY(server, "@server="); 1170 strcpy (server, "@server=");
1031 STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */ 1171 strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
1172
1032 if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */ 1173 if (p = strchr (server + 1, '@')) /* first one only */
1033 *p = '\0'; 1174 *p = '\0';
1034 1175
1035 atom = XInternAtom(Xdisplay, server, False); 1176 atom = XInternAtom (dpy, server, False);
1036 win = XGetSelectionOwner(Xdisplay, atom); 1177 win = XGetSelectionOwner (dpy, atom);
1178
1037 if (win != None) 1179 if (win != None)
1038 return True; 1180 return True;
1039 } 1181 }
1182
1040 return False; 1183 return False;
1041} 1184}
1042 1185
1043void 1186void
1044rxvt_term::IMSendSpot () 1187rxvt_term::IMSendSpot ()
1045{ 1188{
1046 XPoint spot; 1189 XPoint nspot;
1047 XVaNestedList preedit_attr; 1190 XVaNestedList preedit_attr;
1048 1191
1049 if (Input_Context == NULL 1192 if (!Input_Context
1050 || !TermWin.focus || !(input_style & XIMPreeditPosition) 1193 || !focus
1051 || !(event_type == KeyPress 1194 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1052 || event_type == Expose
1053 || event_type == NoExpose
1054 || event_type == SelectionNotify
1055 || event_type == ButtonRelease || event_type == FocusIn)
1056 || !IMisRunning ())
1057 return; 1195 return;
1058 1196
1059 set_position (&spot); 1197 im_set_position (nspot);
1060 1198
1199 if (nspot.x == spot.x && nspot.y == spot.y)
1200 return;
1201
1202 spot = nspot;
1203
1061 preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL); 1204 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1062 XSetICValues(Input_Context, XNPreeditAttributes, preedit_attr, NULL); 1205 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1063 XFree(preedit_attr); 1206 XFree (preedit_attr);
1064} 1207}
1065 1208
1066void 1209void
1067rxvt_term::set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect, 1210rxvt_term::im_destroy ()
1068 XRectangle * needed_rect)
1069{ 1211{
1070 int mbh, vtx = 0; 1212 if (input_method)
1213 {
1214 if (Input_Context && input_method->xim)
1215 XDestroyIC (Input_Context);
1071 1216
1072 if (scrollbar_visible () && !(Options & Opt_scrollBar_right)) 1217 display->put_xim (input_method);
1073 vtx = scrollbar_TotalWidth(); 1218 input_method = 0;
1219 }
1074 1220
1075 mbh = menubar_visible () ? menuBar_TotalHeight() : 0; 1221 Input_Context = 0;
1076 mbh -= TermWin.lineSpace;
1077
1078 preedit_rect->x = needed_rect->width + vtx;
1079 preedit_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1080
1081 preedit_rect->width = Width2Pixel(TermWin.ncol + 1) - needed_rect->width + vtx;
1082 preedit_rect->height = Height2Pixel(1);
1083
1084 status_rect->x = vtx;
1085 status_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1086
1087 status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel(TermWin.ncol + 1);
1088 status_rect->height = Height2Pixel(1);
1089} 1222}
1090 1223
1091/* ARGSUSED */ 1224#ifdef ENABLE_XIM_ONTHESPOT
1092/* EXTPROTO */ 1225
1093void 1226static void
1094rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data 1227xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1095 __attribute__ ((unused)), XPointer call_data
1096 __attribute__ ((unused)))
1097{ 1228{
1098 GET_R->Input_Context = NULL; 1229 ((rxvt_term *)client_data)->make_current ();
1099/* To avoid Segmentation Fault in C locale: Solaris only? */ 1230 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1100 if (STRCMP (GET_R->locale, "C"))
1101 XRegisterIMInstantiateCallback(GET_R->Xdisplay, NULL, NULL, NULL,
1102 rxvt_IMInstantiateCallback, NULL);
1103} 1231}
1232
1233static void
1234xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1235{
1236 ((rxvt_term *)client_data)->make_current ();
1237 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1238}
1239
1240static void
1241xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1242{
1243 rxvt_term *term = (rxvt_term *)client_data;
1244 XIMText *text = call_data->text;
1245
1246 term->make_current ();
1247
1248 if (text)
1249 {
1250 wchar_t *str;
1251
1252 if (!text->encoding_is_wchar && text->string.multi_byte)
1253 {
1254 // of course, X makes it ugly again
1255 if (term->rs[Rs_imLocale])
1256 SET_LOCALE (term->rs[Rs_imLocale]);
1257
1258 str = rxvt_temp_buf<wchar_t> (text->length + 1);
1259 mbstowcs (str, text->string.multi_byte, text->length + 1);
1260
1261 if (term->rs[Rs_imLocale])
1262 SET_LOCALE (term->locale);
1263 }
1264 else
1265 str = text->string.wide_char;
1266
1267 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1268 DT_INT, call_data->caret,
1269 DT_INT, call_data->chg_first,
1270 DT_INT, call_data->chg_length,
1271 DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1272 DT_WCS_LEN, str, str ? (int)text->length : 0,
1273 DT_END));
1274 }
1275 else
1276 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1277 DT_INT, call_data->caret,
1278 DT_INT, call_data->chg_first,
1279 DT_INT, call_data->chg_length,
1280 DT_END));
1281}
1282
1283#if 0
1284static void
1285xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1286{
1287 ((rxvt_term *)client_data)->make_current ();
1288 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1289 DT_INT, call_data->position,
1290 DT_INT, call_data->direction,
1291 DT_INT, call_data->style,
1292 DT_END));
1293}
1294#endif
1295
1296#endif
1104 1297
1105/* 1298/*
1106 * Try to open a XIM with the current modifiers, then see if we can 1299 * Try to open a XIM with the current modifiers, then see if we can
1107 * open a suitable preedit type 1300 * open a suitable preedit type
1108 */ 1301 */
1109bool 1302bool
1110rxvt_term::IM_get_IC () 1303rxvt_term::IM_get_IC (const char *modifiers)
1111{ 1304{
1112 int i, j, found; 1305 int i, j, found;
1113 XIM xim; 1306 XIM xim;
1114 XPoint spot; 1307 XPoint spot;
1115 XRectangle rect, status_rect, needed_rect; 1308 XRectangle rect, status_rect, needed_rect;
1116 unsigned long fg, bg; 1309 unsigned long fg, bg;
1117 const char *p; 1310 const char *p;
1118 char **s; 1311 char **s;
1119 XIMStyles *xim_styles; 1312 XIMStyles *xim_styles;
1120 XVaNestedList preedit_attr, status_attr; 1313#ifdef ENABLE_XIM_ONTHESPOT
1121 XIMCallback ximcallback; 1314 XIMCallback xcb[4];
1315#endif
1122 1316
1123 D_MAIN((stderr, "rxvt_IM_get_IC()")); 1317 set_environ (envv);
1124 xim = XOpenIM (Xdisplay, NULL, NULL, NULL); 1318
1125 if (xim == NULL) 1319 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1126 return False; 1320 return false;
1127 1321
1322 input_method = display->get_xim (locale, modifiers);
1323 if (input_method == NULL)
1324 return false;
1325
1326 xim = input_method->xim;
1327 spot.x = spot.y = -1;
1328
1128 xim_styles = NULL; 1329 xim_styles = NULL;
1129 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL) 1330 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1130 || !xim_styles || !xim_styles->count_styles) { 1331 || !xim_styles || !xim_styles->count_styles)
1131 XCloseIM(xim); 1332 {
1333 im_destroy ();
1132 return False; 1334 return false;
1335 }
1336
1337 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1338
1339 for (int pi = 0; pi < 2; pi++)
1133 } 1340 {
1341 p = pet[pi];
1134 1342
1135 p = rs[Rs_preeditType] ? rs[Rs_preeditType] 1343 if (!p)
1136 : "OverTheSpot,OffTheSpot,Root"; 1344 continue;
1137 s = rxvt_splitcommastring(p); 1345
1346 s = rxvt_strsplit (',', p);
1347
1138 for (i = found = 0; !found && s[i]; i++) { 1348 for (i = found = 0; !found && s[i]; i++)
1349 {
1139 if (!STRCMP(s[i], "OverTheSpot")) 1350 if (!strcmp (s[i], "OverTheSpot"))
1140 input_style = (XIMPreeditPosition | XIMStatusNothing); 1351 input_style = XIMPreeditPosition | XIMStatusNothing;
1141 else if (!STRCMP(s[i], "OffTheSpot")) 1352 else if (!strcmp (s[i], "OffTheSpot"))
1142 input_style = (XIMPreeditArea | XIMStatusArea); 1353 input_style = XIMPreeditArea | XIMStatusArea;
1143 else if (!STRCMP(s[i], "Root")) 1354 else if (!strcmp (s[i], "Root"))
1144 input_style = (XIMPreeditNothing | XIMStatusNothing); 1355 input_style = XIMPreeditNothing | XIMStatusNothing;
1356 else if (!strcmp (s[i], "None"))
1357 input_style = XIMPreeditNone | XIMStatusNone;
1358#ifdef ENABLE_XIM_ONTHESPOT
1359 else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1360 input_style = XIMPreeditCallbacks | XIMStatusNothing;
1361#endif
1362 else
1363 input_style = XIMPreeditNothing | XIMStatusNothing;
1145 1364
1146 for (j = 0; j < xim_styles->count_styles; j++) 1365 for (j = 0; j < xim_styles->count_styles; j++)
1147 if (input_style == xim_styles->supported_styles[j]) { 1366 if (input_style == xim_styles->supported_styles[j])
1367 {
1368 rxvt_free_strsplit (s);
1369
1148 found = 1; 1370 found = 1;
1149 break; 1371 goto foundpet;
1150 } 1372 }
1373
1374 }
1375
1376 rxvt_free_strsplit (s);
1151 } 1377 }
1152 for (i = 0; s[i]; i++) 1378
1153 free(s[i]); 1379foundpet:
1154 free(s); 1380
1155 XFree(xim_styles); 1381 XFree (xim_styles);
1156 1382
1157 if (!found) { 1383 if (!found)
1158 XCloseIM(xim); 1384 {
1385 im_destroy ();
1159 return False; 1386 return false;
1387 }
1388
1389 XFontSet fs = 0;
1390 XVaNestedList preedit_attr = 0, status_attr = 0;
1391
1392 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1160 } 1393 {
1394 // fake us a font-set, please
1395 char **missing_charset_list;
1396 int missing_charset_count;
1397 char *def_string;
1398 char pat[512];
1161 1399
1162 ximcallback.callback = rxvt_IMDestroyCallback; 1400 sprintf (pat,
1401 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1402 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1403 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1404 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1405 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1406 "*",
1407 fheight,
1408 fheight + 1, fheight - 1,
1409 fheight - 2, fheight + 2);
1163 1410
1164 /* XXX: not sure why we need this (as well as IC one below) */ 1411 fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1165 XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL); 1412 &missing_charset_list, &missing_charset_count, &def_string);
1166 1413
1167 preedit_attr = status_attr = NULL; 1414 if (missing_charset_list)
1415 XFreeStringList (missing_charset_list);
1168 1416
1417 if (!fs)
1418 {
1419 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1420 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1421 }
1422 }
1423
1169 if (input_style & XIMPreeditPosition) { 1424 if (input_style & XIMPreeditPosition)
1425 {
1170 set_size (&rect); 1426 im_set_size (rect);
1171 set_position (&spot); 1427 im_set_position (spot);
1172 set_color (&fg, &bg); 1428 im_set_color (fg, bg);
1173 1429
1174 preedit_attr = XVaCreateNestedList(0, XNArea, &rect, 1430 preedit_attr = XVaCreateNestedList (0,
1431 XNForeground, fg,
1432 XNBackground, bg,
1433 XNArea, &rect,
1175 XNSpotLocation, &spot, 1434 XNSpotLocation, &spot,
1176 XNForeground, fg, XNBackground, bg,
1177 //XNFontSet, TermWin.fontset, 1435 XNFontSet, fs,
1178 NULL);
1179 } else if (input_style & XIMPreeditArea) {
1180 set_color (&fg, &bg);
1181
1182 /*
1183 * The necessary width of preedit area is unknown
1184 * until create input context.
1185 */
1186 needed_rect.width = 0;
1187
1188 set_preedit_area(&rect, &status_rect, &needed_rect);
1189
1190 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1191 XNForeground, fg, XNBackground, bg,
1192 //XNFontSet, TermWin.fontset,
1193 NULL);
1194 status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1195 XNForeground, fg, XNBackground, bg,
1196 //XNFontSet, TermWin.fontset,
1197 NULL); 1436 NULL);
1198 } 1437 }
1199 Input_Context = XCreateIC(xim, XNInputStyle, input_style, 1438 else if (input_style & XIMPreeditArea)
1439 {
1440 im_set_color (fg, bg);
1441
1442 /*
1443 * The necessary width of preedit area is unknown
1444 * until create input context.
1445 */
1446 needed_rect.width = 0;
1447 im_set_preedit_area (rect, status_rect, needed_rect);
1448
1449 preedit_attr = XVaCreateNestedList (0,
1450 XNForeground, fg,
1451 XNBackground, bg,
1452 XNArea, &rect,
1453 XNFontSet, fs,
1454 NULL);
1455 status_attr = XVaCreateNestedList (0,
1456 XNForeground, fg,
1457 XNBackground, bg,
1458 XNArea, &status_rect,
1459 XNFontSet, fs,
1460 NULL);
1461 }
1462#if ENABLE_XIM_ONTHESPOT
1463 else if (input_style & XIMPreeditCallbacks)
1464 {
1465 im_set_position (spot);
1466
1467 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1468 xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1469 xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1470# if 0
1471 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1472# endif
1473
1474 preedit_attr = XVaCreateNestedList (0,
1475 XNSpotLocation, &spot,
1476 XNPreeditStartCallback, &xcb[0],
1477 XNPreeditDoneCallback , &xcb[1],
1478 XNPreeditDrawCallback , &xcb[2],
1479# if 0
1480 XNPreeditCaretCallback, &xcb[3],
1481# endif
1482 NULL);
1483 }
1484#endif
1485
1486 Input_Context = XCreateIC (xim,
1487 XNInputStyle, input_style,
1200 XNClientWindow, TermWin.parent[0], 1488 XNClientWindow, vt,
1201 XNFocusWindow, TermWin.parent[0], 1489 XNFocusWindow, parent[0],
1202 XNDestroyCallback, &ximcallback,
1203 preedit_attr ? XNPreeditAttributes : NULL, 1490 preedit_attr ? XNPreeditAttributes : NULL,
1204 preedit_attr, 1491 preedit_attr,
1205 status_attr ? XNStatusAttributes : NULL, 1492 status_attr ? XNStatusAttributes : NULL,
1206 status_attr, NULL); 1493 status_attr, NULL);
1207 if (preedit_attr) 1494
1208 XFree(preedit_attr); 1495 if (preedit_attr) XFree (preedit_attr);
1209 if (status_attr) 1496 if (status_attr) XFree (status_attr);
1210 XFree(status_attr); 1497 if (fs) XFreeFontSet (dpy, fs);
1498
1211 if (Input_Context == NULL) { 1499 if (Input_Context == NULL)
1212 rxvt_print_error("failed to create input context"); 1500 {
1213 XCloseIM(xim); 1501 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1502 im_destroy ();
1214 return False; 1503 return false;
1215 } 1504 }
1216 if (input_style & XIMPreeditArea) 1505
1506#if 0
1507 // unfortunately, only the focus window is used by XIM, hard to fix
1508 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1509 vt_select_input ();
1510#endif
1511
1217 IMSetStatusPosition (); 1512 IMSetPosition ();
1218 D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection")); 1513
1219 return True; 1514 return true;
1220} 1515}
1221 1516
1222/*
1223 * X manual pages and include files don't match on some systems:
1224 * some think this is an XIDProc and others an XIMProc so we can't
1225 * use the first argument - need to update this to be nice for
1226 * both types via some sort of configure detection
1227 */
1228/* ARGSUSED */
1229/* EXTPROTO */
1230void 1517void
1231rxvt_IMInstantiateCallback(Display * unused 1518rxvt_term::im_cb ()
1232 __attribute__ ((unused)), XPointer client_data
1233 __attribute__ ((unused)), XPointer call_data
1234 __attribute__ ((unused)))
1235{ 1519{
1236 int i, found, had_im; 1520 int i;
1237 const char *p; 1521 const char *p;
1238 char **s; 1522 char **s;
1239 char buf[IMBUFSIZ]; 1523 char buf[IMBUFSIZ];
1240 1524
1241 D_MAIN((stderr, "rxvt_IMInstantiateCallback()")); 1525 make_current ();
1526
1527 im_destroy ();
1528
1242 if (GET_R->Input_Context) 1529 if (Input_Context)
1243 return; 1530 return;
1244 1531
1245#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE) 1532#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1246 if (GET_R->rs[Rs_imLocale]) 1533 if (rs[Rs_imLocale])
1247 setlocale (LC_CTYPE, GET_R->rs[Rs_imLocale]); 1534 SET_LOCALE (rs[Rs_imLocale]);
1248#endif 1535#endif
1249 1536
1250 p = GET_R->rs[Rs_inputMethod]; 1537 p = rs[Rs_inputMethod];
1251 if (p && *p) 1538 if (p && *p)
1252 { 1539 {
1253 bool found = false; 1540 bool found = false;
1254 1541
1255 s = rxvt_splitcommastring (p); 1542 s = rxvt_strsplit (',', p);
1543
1256 for (i = 0; s[i]; i++) 1544 for (i = 0; s[i]; i++)
1257 { 1545 {
1258 if (*s[i]) 1546 if (*s[i])
1259 { 1547 {
1260 STRCPY (buf, "@im="); 1548 strcpy (buf, "@im=");
1261 STRNCAT (buf, s[i], IMBUFSIZ - 5); 1549 strncat (buf, s[i], IMBUFSIZ - 5);
1262 if ((p = XSetLocaleModifiers (buf)) && *p && GET_R->IM_get_IC ()) 1550 if (IM_get_IC (buf))
1263 { 1551 {
1264 found = true; 1552 found = true;
1265 break; 1553 break;
1266 } 1554 }
1267 } 1555 }
1268 } 1556 }
1269 for (i = 0; s[i]; i++) 1557
1270 free(s[i]); 1558 rxvt_free_strsplit (s);
1271 free(s);
1272 1559
1273 if (found) 1560 if (found)
1274 goto done; 1561 goto done;
1275 } 1562 }
1276 1563
1277/* try with XMODIFIERS env. var. */ 1564 /* try with XMODIFIERS env. var. */
1278 if ((p = XSetLocaleModifiers ("")) && *p 1565 if (IM_get_IC (""))
1279 && GET_R->IM_get_IC ())
1280 goto done; 1566 goto done;
1281 1567
1282/* try with no modifiers base IF the user didn't specify an IM */ 1568 /* try with no modifiers base IF the user didn't specify an IM */
1283 if ((p = XSetLocaleModifiers ("@im=none")) && *p 1569 if (IM_get_IC ("@im=none"))
1284 && GET_R->IM_get_IC () == True)
1285 goto done; 1570 goto done;
1286 1571
1287done: 1572done:
1288#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE) 1573#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1289 if (GET_R->rs[Rs_imLocale]) 1574 if (rs[Rs_imLocale])
1290 setlocale (LC_CTYPE, GET_R->locale); 1575 SET_LOCALE (locale);
1291#endif 1576#endif
1292} 1577}
1293 1578
1294void 1579void
1295rxvt_term::IMSetStatusPosition () 1580rxvt_term::IMSetPosition ()
1296{ 1581{
1297 XRectangle preedit_rect, status_rect, *needed_rect; 1582 XRectangle preedit_rect, status_rect, *needed_rect;
1298 XVaNestedList preedit_attr, status_attr; 1583 XVaNestedList preedit_attr, status_attr;
1299 1584
1300 if (Input_Context == NULL 1585 if (!Input_Context
1301 || !TermWin.focus || !(input_style & XIMPreeditArea) 1586 || !focus
1587 || !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1302 || !IMisRunning ()) 1588 || !IMisRunning ())
1303 return; 1589 return;
1304 1590
1591 if (input_style & XIMPreeditPosition)
1592 {
1593 im_set_size (preedit_rect);
1594 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1595
1596 XSetICValues (Input_Context,
1597 XNPreeditAttributes, preedit_attr, NULL);
1598 }
1599 else
1600 {
1305/* Getting the necessary width of preedit area */ 1601 /* Getting the necessary width of preedit area */
1306 status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL); 1602 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1307 XGetICValues(Input_Context, XNStatusAttributes, status_attr, NULL); 1603 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1308 XFree(status_attr); 1604 XFree (status_attr);
1309 1605
1310 set_preedit_area(&preedit_rect, &status_rect, needed_rect); 1606 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1607 XFree (needed_rect);
1311 1608
1312 preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL); 1609 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1313 status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL); 1610 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1314 1611
1315 XSetICValues(Input_Context, 1612 XSetICValues (Input_Context,
1316 XNPreeditAttributes, preedit_attr, 1613 XNPreeditAttributes, preedit_attr,
1317 XNStatusAttributes, status_attr, NULL); 1614 XNStatusAttributes, status_attr,
1615 NULL);
1318 1616
1617 XFree (status_attr);
1618 }
1619
1319 XFree(preedit_attr); 1620 XFree (preedit_attr);
1320 XFree(status_attr);
1321} 1621}
1322#endif /* USE_XIM */ 1622#endif /* USE_XIM */
1323 1623
1324/*----------------------------------------------------------------------*/ 1624void
1325rxvt_t rxvt_current_term; 1625rxvt_term::get_window_origin (int &x, int &y)
1626{
1627 Window cr;
1628 XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
1629}
1630
1631Pixmap
1632rxvt_term::get_pixmap_property (Atom property)
1633{
1634 Pixmap pixmap = None;
1635
1636 int aformat;
1637 unsigned long nitems, bytes_after;
1638 Atom atype;
1639 unsigned char *prop;
1640 int result = XGetWindowProperty (dpy, display->root, property,
1641 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1642 &nitems, &bytes_after, &prop);
1643 if (result == Success)
1644 {
1645 if (atype == XA_PIXMAP)
1646 pixmap = *(Pixmap *)prop;
1647 XFree (prop);
1648 }
1649
1650 return pixmap;
1651}
1652
1653#ifdef HAVE_BG_PIXMAP
1654
1655void
1656rxvt_term::update_background ()
1657{
1658 if (update_background_ev.is_active ())
1659 return;
1660
1661 bg_invalidate ();
1662
1663 ev_tstamp to_wait = 0.5 - (ev::now () - bg_valid_since);
1664
1665 if (to_wait <= 0.)
1666 bg_render ();
1667 else
1668 update_background_ev.start (to_wait);
1669}
1670
1671void
1672rxvt_term::update_background_cb (ev::timer &w, int revents)
1673{
1674 make_current ();
1675
1676 update_background_ev.stop ();
1677 bg_render ();
1678 refresh_check ();
1679}
1680
1681#endif /* HAVE_BG_PIXMAP */
1326 1682
1327/*----------------------- end-of-file (C source) -----------------------*/ 1683/*----------------------- end-of-file (C source) -----------------------*/

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