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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.10 by pcg, Wed Dec 3 23:19:44 2003 UTC vs.
Revision 1.318 by root, Sat May 30 08:51:23 2009 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: main.c 2 * File: main.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: main.C,v 1.10 2003/12/03 23:19:44 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) 2003-2008 Marc Lehmann <pcg@goof.com>
17 * 17 *
18 * This program is free software; you can redistribute it and/or modify 18 * This program is free software; you can redistribute it and/or modify
19 * it under the terms of the GNU General Public License as published by 19 * it under the terms of the GNU General Public License as published by
20 * the Free Software Foundation; either version 2 of the License, or 20 * the Free Software Foundation; either version 2 of the License, or
21 * (at your option) any later version. 21 * (at your option) any later version.
… …
30 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 30 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31 *---------------------------------------------------------------------*/ 31 *---------------------------------------------------------------------*/
32 32
33#include "../config.h" /* NECESSARY */ 33#include "../config.h" /* NECESSARY */
34#include "rxvt.h" /* NECESSARY */ 34#include "rxvt.h" /* NECESSARY */
35#include "main.intpro" /* PROTOS for internal routines */ 35#include "keyboard.h"
36#include "rxvtperl.h"
36 37
38#include <limits>
39
37#include <signal.h> 40#include <csignal>
41#include <cstring>
38 42
39#ifdef TTY_GID_SUPPORT
40# include <grp.h>
41#endif
42
43#ifdef HAVE_TERMIOS_H
44# include <termios.h> 43#include <termios.h>
44
45#ifdef HAVE_XSETLOCALE
46# define X_LOCALE
47# include <X11/Xlocale.h>
48#else
49# ifdef HAVE_SETLOCALE
50# include <clocale>
45#endif 51# endif
52#endif
46 53
54vector<rxvt_term *> rxvt_term::termlist;
55
56// used to tell global functions which terminal instance is "active"
57rxvt_t rxvt_current_term;
58
59static char curlocale[128], savelocale[128];
60
61bool
62rxvt_set_locale (const char *locale) NOTHROW
63{
64 int size = strlen (locale) + 1;
65
66 if (size > sizeof (curlocale))
67 rxvt_fatal ("locale string too long, aborting.\n");
68
69 if (!locale || !memcmp (locale, curlocale, size))
70 return false;
71
72 memcpy (curlocale, locale, size);
73 setlocale (LC_CTYPE, curlocale);
74 return true;
75}
76
47void * 77void
48rxvt_term::operator new (size_t s) 78rxvt_push_locale (const char *locale) NOTHROW
49{ 79{
50 void *p = malloc (s); 80 strcpy (savelocale, curlocale);
81 rxvt_set_locale (locale);
82}
51 83
52 MEMSET (p, 0, s); 84void
85rxvt_pop_locale () NOTHROW
86{
87 rxvt_set_locale (savelocale);
88}
89
90#if ENABLE_COMBINING
91class rxvt_composite_vec rxvt_composite;
92
93text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
94{
95 compose_char *cc;
96
97 // break compose chains, as stupid readline really likes to duplicate
98 // composing characters for some reason near the end of a line.
99 cc = (*this)[c1];
100 while (cc)
101 {
102 if (cc->c2 == c2) return c1;
103 cc = (*this)[cc->c1];
104 }
105
106 // check to see wether this combination already exists otherwise
107 for (cc = v.end (); cc-- > v.begin (); )
108 {
109 if (cc->c1 == c1 && cc->c2 == c2)
110 return COMPOSE_LO + (cc - v.begin ());
111 }
112
113 // allocate a new combination
114 if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
115 {
116 static int seen;
117
118 if (!seen++)
119 fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
120
121 return REPLACEMENT_CHAR;
122 }
123
124 v.push_back (compose_char (c1, c2));
125
126 return v.size () - 1 + COMPOSE_LO;
127}
128
129int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
130{
131 compose_char *cc = (*this)[c];
132
133 if (!cc)
134 {
135 if (r) *r = c;
136 return 1;
137 }
138
139 int len = expand (cc->c1, r);
140
141 if (r) r += len;
142
143 if (cc->c2 != NOCHAR)
144 {
145 len++;
146 if (r) *r++ = cc->c2;
147 }
148
53 return p; 149 return len;
54}
55 150
56void
57rxvt_term::operator delete (void *p, size_t s)
58{
59 free (p);
60} 151}
152#endif
61 153
62rxvt_term::rxvt_term () 154rxvt_term::rxvt_term ()
63: pty_ev (this, &rxvt_term::pty_cb), 155{
156#if HAVE_BG_PIXMAP
157 update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
158#endif
64#ifdef CURSOR_BLINK 159#ifdef CURSOR_BLINK
65 blink_ev (this, &rxvt_term::blink_cb), 160 cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
161#endif
162#ifdef TEXT_BLINK
163 text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
164#endif
165#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
166 cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
167#endif
168#ifdef SELECTION_SCROLLING
169 sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
170#endif
171#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
172 slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
173#endif
174#if ENABLE_TRANSPARENCY || ENABLE_PERL
175 rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
176#endif
177 scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
178#ifdef USE_XIM
179 im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
66#endif 180#endif
67#ifdef POINTER_BLANK 181#ifdef POINTER_BLANK
68 pointer_ev (this, &rxvt_term::pointer_cb), 182 pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
69#endif 183#endif
70 x_ev (this, &rxvt_term::x_cb), 184#ifndef NO_BELL
71 destroy_ev (this, &rxvt_term::destroy_cb), 185 bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
72 check_ev (this, &rxvt_term::check_cb) 186#endif
73{ 187 child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
188 flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
189 destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
190 pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
191 incr_ev.set <rxvt_term, &rxvt_term::incr_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
74 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;
75} 214}
76 215
77rxvt_term::~rxvt_term () 216rxvt_term::~rxvt_term ()
78{ 217{
79 rxvt_scr_release (this); 218 termlist.erase (find (termlist.begin (), termlist.end(), this));
80 219
81#ifndef NO_SETOWNER_TTYDEV 220 emergency_cleanup ();
82 rxvt_privileged_ttydev (this, RESTORE); 221
222#if ENABLE_STYLES
223 for (int i = RS_styleCount; --i; )
224 if (fontset[i] != fontset[0])
225 delete fontset[i];
83#endif 226#endif
84#ifdef UTMP_SUPPORT 227 delete fontset[0];
85 rxvt_privileged_utmp (this, RESTORE); 228
229#ifdef HAVE_BG_PIXMAP
230 bgPixmap.destroy ();
86#endif 231#endif
232#ifdef HAVE_AFTERIMAGE
233 if (asv)
234 destroy_asvisual (asv, 0);
235 if (asimman)
236 destroy_image_manager (asimman, 0);
237#endif
238
239 if (display)
240 {
241 selection_clear ();
242
87#ifdef USE_XIM 243#ifdef USE_XIM
88 if (Input_Context != NULL) 244 im_destroy ();
245#endif
246 scrollBar.destroy ();
247 if (gc) XFreeGC (dpy, gc);
248
249 delete drawable;
250 // destroy all windows
251 if (parent[0])
252 XDestroyWindow (dpy, parent[0]);
253
254 for (int i = 0; i < TOTAL_COLORS; i++)
255 if (ISSET_PIXCOLOR (i))
256 {
257 pix_colors_focused [i].free (this);
258#if OFF_FOCUS_FADING
259 pix_colors_unfocused [i].free (this);
260#endif
261 }
262
263 clear ();
264
265 display->flush (); /* ideally .put should do this */
266 displays.put (display);
89 { 267 }
90 XDestroyIC (Input_Context);
91 Input_Context = NULL;
92 }
93#endif
94 268
95 if (cmd_fd >= 0) 269 scr_release ();
96 close (cmd_fd);
97 270
98 if (Xfd >= 0) 271 /* clear all resources */
99 XCloseDisplay (Xdisplay); 272 for (int i = 0; i < allocated.size (); i++)
273 free (allocated [i]);
100 274
101 delete PixColors; 275 free (selection.text);
276 // TODO: manage env vars in child only(!)
277 free (env_display);
278 free (env_term);
279 free (locale);
280 free (v_buffer);
281 free (incr_buf);
282
283 delete envv;
284 delete argv;
285
286#ifdef KEYSYM_RESOURCE
287 delete keyboard;
288#endif
289#ifndef NO_RESOURCES
290 XrmDestroyDatabase (option_db);
291#endif
292}
293
294// child has exited, usually destroys
295void
296rxvt_term::child_cb (ev::child &w, int status)
297{
298 HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
299
300 cmd_pid = 0;
301
302 if (!option (Opt_hold))
303 destroy ();
102} 304}
103 305
104void 306void
105rxvt_term::destroy () 307rxvt_term::destroy ()
106{ 308{
309 if (destroy_ev.is_active ())
310 return;
311
312 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
313
314#if ENABLE_OVERLAY
315 scr_overlay_off ();
316#endif
317
318 if (display)
319 {
320#if USE_XIM
321 im_ev.stop (display);
322#endif
323 scrollbar_ev.stop (display);
324#if ENABLE_TRANSPARENCY || ENABLE_PERL
325 rootwin_ev.stop (display);
326#endif
327 incr_ev.stop ();
328 termwin_ev.stop (display);
329 vt_ev.stop (display);
330 }
331
107 check_ev.stop (); 332 flush_ev.stop ();
108 pty_ev.stop (); 333 pty_ev.stop ();
109 x_ev.stop ();
110#ifdef CURSOR_BLINK 334#ifdef CURSOR_BLINK
335 cursor_blink_ev.stop ();
336#endif
337#ifdef TEXT_BLINK
111 blink_ev.stop (); 338 text_blink_ev.stop ();
339#endif
340#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
341 cont_scroll_ev.stop ();
342#endif
343#ifdef SELECTION_SCROLLING
344 sel_scroll_ev.stop ();
112#endif 345#endif
113#ifdef POINTER_BLANK 346#ifdef POINTER_BLANK
114 pointer_ev.stop (); 347 pointer_ev.stop ();
115#endif 348#endif
116 349
117 destroy_ev.start (0); 350 destroy_ev.start ();
118} 351}
119 352
120void 353void
121rxvt_term::destroy_cb (time_watcher &w) 354rxvt_term::destroy_cb (ev::idle &w, int revents)
122{ 355{
123 SET_R (this); 356 make_current ();
124 357
125 delete this; 358 delete this;
126}
127
128/*----------------------------------------------------------------------*/
129/* rxvt_init() */
130/* LIBPROTO */
131rxvt_t
132rxvt_init (int argc, const char *const *argv)
133{
134 SET_R (new rxvt_term);
135 dR;
136
137 if (!R->init_vars () || !R->init (argc, argv))
138 {
139 delete R;
140 return NULL;
141 }
142
143 return R;
144}
145
146/* EXTPROTO */
147void
148rxvt_init_signals ()
149{
150/* install exit handler for cleanup */
151#if 0
152#ifdef HAVE_ATEXIT
153 atexit(rxvt_clean_exit);
154#else
155#endif
156#endif
157
158 struct sigaction sa;
159
160 sigfillset (&sa.sa_mask);
161 sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
162 sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
163 sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
164 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
165 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
166 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
167 sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
168
169/* need to trap SIGURG for SVR4 (Unixware) rlogin */
170/* signal (SIGURG, SIG_DFL); */
171
172 XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
173 //XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
174}
175
176bool
177rxvt_term::init (int argc, const char *const *argv)
178{
179 dR;//TODO (scrollbar, setidle)
180
181 /*
182 * Save and then give up any super-user privileges
183 * If we need privileges in any area then we must specifically request it.
184 * We should only need to be root in these cases:
185 * 1. write utmp entries on some systems
186 * 2. chown tty on some systems
187 */
188 rxvt_privileges (this, SAVE);
189 rxvt_privileges (this, IGNORE);
190
191 rxvt_init_secondary (this);
192
193 const char **cmd_argv = rxvt_init_resources (this, argc, argv);
194
195#if (MENUBAR_MAX)
196 rxvt_menubar_read (this, rs[Rs_menu]);
197#endif
198#ifdef HAVE_SCROLLBARS
199 if (Options & Opt_scrollBar)
200 scrollbar_setIdle (); /* set existence for size calculations */
201#endif
202
203 rxvt_Create_Windows (this, argc, argv);
204
205 rxvt_init_xlocale (this);
206
207 rxvt_scr_reset (this); /* initialize screen */
208#ifdef RXVT_GRAPHICS
209 rxvt_Gr_reset (this); /* reset graphics */
210#endif
211
212#if 0
213#ifdef DEBUG_X
214 XSynchronize(Xdisplay, True);
215#endif
216#endif
217
218#ifdef HAVE_SCROLLBARS
219 if (Options & Opt_scrollBar)
220 rxvt_Resize_scrollBar (this); /* create and map scrollbar */
221#endif
222#if (MENUBAR_MAX)
223 if (menubar_visible(r))
224 XMapWindow (Xdisplay, menuBar.win);
225#endif
226#ifdef TRANSPARENT
227 if (Options & Opt_transparent)
228 {
229 XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
230 rxvt_check_our_parents (this);
231 }
232#endif
233 XMapWindow (Xdisplay, TermWin.vt);
234 XMapWindow (Xdisplay, TermWin.parent[0]);
235
236 rxvt_init_env (this);
237 rxvt_init_command (this, cmd_argv);
238
239 x_ev.start (Xfd, EVENT_READ);
240 pty_ev.start (cmd_fd, EVENT_READ);
241
242 check_ev.start ();
243
244 process_x_events ();
245
246 return true;
247}
248
249/* ------------------------------------------------------------------------- *
250 * SIGNAL HANDLING & EXIT HANDLER *
251 * ------------------------------------------------------------------------- */
252/*
253 * Catch a SIGCHLD signal and exit if the direct child has died
254 */
255/* ARGSUSED */
256/* EXTPROTO */
257RETSIGTYPE
258rxvt_Child_signal(int sig __attribute__ ((unused)))
259{
260 int pid, save_errno = errno;
261 while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
262 ;
263 errno = save_errno;
264
265#if 0
266 if (pid == R->cmd_pid)
267 exit (EXIT_SUCCESS);
268#endif
269}
270
271/*
272 * Catch a fatal signal and tidy up before quitting
273 */
274/* EXTPROTO */
275RETSIGTYPE
276rxvt_Exit_signal(int sig)
277{
278 signal(sig, SIG_DFL);
279#ifdef DEBUG_CMD
280 rxvt_print_error("signal %d", sig);
281#endif
282 rxvt_clean_exit();
283 kill(getpid(), sig);
284}
285
286/* ARGSUSED */
287/* INTPROTO */
288int
289rxvt_xerror_handler(const Display * display
290 __attribute__ ((unused)), const XErrorEvent * event)
291{
292 dR;
293
294 if (R->allowedxerror == -1)
295 R->allowedxerror = event->error_code;
296 else
297 {
298 rxvt_print_error("XError: Request: %d . %d, Error: %d",
299 event->request_code, event->minor_code,
300 event->error_code);
301
302 R->destroy ();
303 }
304
305 return 0;
306} 359}
307 360
308/*----------------------------------------------------------------------*/ 361/*----------------------------------------------------------------------*/
309/* 362/*
310 * Exit gracefully, clearing the utmp entry and restoring tty attributes 363 * Exit gracefully, clearing the utmp entry and restoring tty attributes
311 * TODO: if debugging, this should free up any known resources if we can 364 * TODO: if debugging, this should free up any known resources if we can
312 */ 365 */
313/* EXTPROTO */ 366static XErrorHandler old_xerror_handler;
314void
315rxvt_clean_exit ()
316{
317 dR;
318 367
319 R->destroy (); 368static void
320} 369rxvt_emergency_cleanup ()
321
322/* ------------------------------------------------------------------------- *
323 * MEMORY ALLOCATION WRAPPERS *
324 * ------------------------------------------------------------------------- */
325/* EXTPROTO */
326void *
327rxvt_malloc(size_t size)
328{ 370{
329 void *p; 371 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
330 372 (*t)->emergency_cleanup ();
331 p = malloc(size);
332 if (p)
333 return p;
334
335 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
336 rxvt_clean_exit();
337 exit(EXIT_FAILURE);
338/* NOTREACHED */
339} 373}
340 374
341/* EXTPROTO */ 375#if !ENABLE_MINIMAL
342void * 376static void
343rxvt_calloc(size_t number, size_t size) 377print_x_error (Display *dpy, XErrorEvent *event)
344{ 378{
345 void *p; 379 char buffer[BUFSIZ];
346 380 char mesg[BUFSIZ];
347 p = calloc(number, size); 381 char number[32];
348 if (p) 382 char *mtype = "XlibMessage";
349 return p; 383 XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
350 384 XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
351 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting"); 385 rxvt_warn ("An X Error occured, trying to continue after report.\n");
352 rxvt_clean_exit(); 386 rxvt_warn ("%s: %s\n", mesg, buffer);
353 exit(EXIT_FAILURE); 387 XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
354/* NOTREACHED */ 388 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
389 sprintf(number, "%d", event->request_code);
390 XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
391 rxvt_warn ("(which is %s)\n", buffer);
392 if (event->request_code >= 128) {
393 XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
394 mesg, BUFSIZ);
395 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
396 }
397 if ((event->error_code == BadWindow) ||
398 (event->error_code == BadPixmap) ||
399 (event->error_code == BadCursor) ||
400 (event->error_code == BadFont) ||
401 (event->error_code == BadDrawable) ||
402 (event->error_code == BadColor) ||
403 (event->error_code == BadGC) ||
404 (event->error_code == BadIDChoice) ||
405 (event->error_code == BadValue) ||
406 (event->error_code == BadAtom)) {
407 if (event->error_code == BadValue)
408 XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
409 mesg, BUFSIZ);
410 else if (event->error_code == BadAtom)
411 XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
412 mesg, BUFSIZ);
413 else
414 XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
415 mesg, BUFSIZ);
416 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
417 }
418 XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
419 mesg, BUFSIZ);
420 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
355} 421}
356
357/* EXTPROTO */
358void *
359rxvt_realloc(void *ptr, size_t size)
360{
361 void *p;
362
363 if (ptr)
364 p = realloc(ptr, size);
365 else
366 p = malloc(size);
367 if (p)
368 return p;
369
370 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
371 rxvt_clean_exit();
372 exit(EXIT_FAILURE);
373/* NOTREACHED */
374}
375
376/* ------------------------------------------------------------------------- *
377 * PRIVILEGED OPERATIONS *
378 * ------------------------------------------------------------------------- */
379/* take care of suid/sgid super-user (root) privileges */
380/* INTPROTO */
381void
382rxvt_privileges(pR_ int mode)
383{
384#if ! defined(__CYGWIN32__)
385# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
386/* setreuid() is the poor man's setuid(), seteuid() */
387# define seteuid(a) setreuid(-1, (a))
388# define setegid(a) setregid(-1, (a))
389# define HAVE_SETEUID
390# endif 422#endif
391# ifdef HAVE_SETEUID 423
392 switch (mode) { 424int
393 case IGNORE: 425rxvt_xerror_handler (Display *display, XErrorEvent *event)
394 /* 426{
395 * change effective uid/gid - not real uid/gid - so we can switch 427 if (GET_R->allowedxerror == -1)
396 * back to root later, as required 428 GET_R->allowedxerror = event->error_code;
397 */ 429 else
398 seteuid(getuid());
399 setegid(getgid());
400 break;
401 case SAVE:
402 R->euid = geteuid();
403 R->egid = getegid();
404 break;
405 case RESTORE:
406 seteuid(R->euid);
407 setegid(R->egid);
408 break;
409 } 430 {
431 // GET_R is most likely not the terminal which caused the error,
432 // so just output the error and continue
433#if ENABLE_MINIMAL
434 old_xerror_handler (display, event);
410# else 435#else
411 switch (mode) { 436 print_x_error (display, event);
412 case IGNORE:
413 setuid(getuid());
414 setgid(getgid());
415 /* FALLTHROUGH */
416 case SAVE:
417 /* FALLTHROUGH */
418 case RESTORE:
419 break;
420 }
421# endif 437#endif
422#endif 438 }
423}
424 439
425#ifdef UTMP_SUPPORT 440 return 0;
426/* EXTPROTO */ 441}
427void
428rxvt_privileged_utmp(pR_ char action)
429{
430 D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
431 action, R->next_utmp_action, getpid()));
432 if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
433 || (R->Options & Opt_utmpInhibit)
434 || R->ttydev == NULL || *R->ttydev == '\0')
435 return;
436 442
437 rxvt_privileges(aR_ RESTORE); 443int
438 if (action == SAVE) { 444rxvt_xioerror_handler (Display *display)
439 R->next_utmp_action = RESTORE; 445{
440 rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]); 446 rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
441 } else { /* action == RESTORE */ 447 DisplayString (display));
442 R->next_utmp_action = IGNORE; 448 rxvt_emergency_cleanup ();
443 rxvt_cleanutent(aR); 449 _exit (EXIT_FAILURE);
450}
451
452static struct sig_handlers
453{
454 ev::sig sw_term, sw_int;
455
456 /*
457 * Catch a fatal signal and tidy up before quitting
458 */
459 void sig_term (ev::sig &w, int revents);
460
461 sig_handlers ()
462 {
463 sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
464 sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
444 } 465 }
445 rxvt_privileges(aR_ IGNORE); 466} sig_handlers;
446}
447#endif
448 467
449#ifndef NO_SETOWNER_TTYDEV
450/* EXTPROTO */
451void 468void
452rxvt_privileged_ttydev(pR_ char action) 469sig_handlers::sig_term (ev::sig &w, int revents)
453{ 470{
454 D_MAIN((stderr, 471 rxvt_emergency_cleanup ();
455 "rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)", 472 w.stop ();
456 action, R->next_tty_action, getpid())); 473 kill (getpid (), w.signum);
457 if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
458 || R->ttydev == NULL || *R->ttydev == '\0')
459 return;
460
461 rxvt_privileges(aR_ RESTORE);
462
463 if (action == SAVE) {
464 R->next_tty_action = RESTORE;
465# ifndef RESET_TTY_TO_COMMON_DEFAULTS
466/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
467 if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
468 R->next_tty_action = IGNORE;
469 else
470# endif
471 {
472 chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
473 chmod(R->ttydev, R->ttymode);
474# ifdef HAVE_REVOKE
475 revoke(R->ttydev);
476# endif
477 }
478 } else { /* action == RESTORE */
479 R->next_tty_action = IGNORE;
480# ifndef RESET_TTY_TO_COMMON_DEFAULTS
481 chmod(R->ttydev, R->ttyfd_stat.st_mode);
482 chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
483# else
484 chmod(R->ttydev,
485 (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
486 chown(R->ttydev, 0, 0);
487# endif
488 }
489
490 rxvt_privileges(aR_ IGNORE);
491
492# ifndef RESET_TTY_TO_COMMON_DEFAULTS
493 D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
494 action == RESTORE ? "Restoring" : (action ==
495 SAVE ? "Saving" :
496 "UNKNOWN ERROR for"), R->ttydev,
497 R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
498 R->ttyfd_stat.st_gid));
499# endif
500} 474}
501#endif 475
476char **rxvt_environ; // startup environment
477
478void
479rxvt_init ()
480{
481 ptytty::init ();
482
483 if (!ev_default_loop (0))
484 rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
485
486 rxvt_environ = environ;
487
488 signal (SIGHUP, SIG_IGN);
489 signal (SIGPIPE, SIG_IGN);
490
491 sig_handlers.sw_term.start (SIGTERM); ev_unref ();
492 sig_handlers.sw_int.start (SIGINT); ev_unref ();
493
494 /* need to trap SIGURG for SVR4 (Unixware) rlogin */
495 /* signal (SIGURG, SIG_DFL); */
496
497 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
498 // TODO: handle this with exceptions and tolerate the memory loss
499 XSetIOErrorHandler (rxvt_xioerror_handler);
500
501 XrmInitialize ();
502}
502 503
503/*----------------------------------------------------------------------*/ 504/*----------------------------------------------------------------------*/
504/* 505/*
505 * window size/position calculcations for XSizeHint and other storage. 506 * window size/position calculations for XSizeHint and other storage.
506 * if width/height are non-zero then override calculated width/height 507 * if width/height are non-zero then override calculated width/height
507 */ 508 */
508/* EXTPROTO */
509void 509void
510rxvt_window_calc(pR_ unsigned int width, unsigned int height) 510rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
511{ 511{
512 short recalc_x, recalc_y; 512 short recalc_x, recalc_y;
513 int x, y, sb_w, mb_h, flags; 513 int x, y, flags;
514 unsigned int w, h; 514 unsigned int w, h;
515 unsigned int max_width, max_height; 515 unsigned int max_width, max_height;
516 516
517 D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
518 R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
519 R->szHint.height));
520 R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; 517 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
521 R->szHint.win_gravity = NorthWestGravity; 518 szHint.win_gravity = NorthWestGravity;
522/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */ 519 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
523 520
524 recalc_x = recalc_y = 0; 521 recalc_x = recalc_y = 0;
525 flags = 0; 522 flags = 0;
523
526 if (!R->parsed_geometry) { 524 if (!parsed_geometry)
525 {
527 R->parsed_geometry = 1; 526 parsed_geometry = 1;
527
528 if (R->rs[Rs_geometry]) 528 if (rs[Rs_geometry])
529 flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h); 529 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
530
530 if (flags & WidthValue) { 531 if (flags & WidthValue)
531 R->TermWin.ncol = BOUND_POSITIVE_INT16(w); 532 {
533 if (!w)
534 rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
535
536 ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
532 R->szHint.flags |= USSize; 537 szHint.flags |= USSize;
533 } 538 }
539
534 if (flags & HeightValue) { 540 if (flags & HeightValue)
535 R->TermWin.nrow = BOUND_POSITIVE_INT16(h); 541 {
542 if (!h)
543 rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
544
545 nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
536 R->szHint.flags |= USSize; 546 szHint.flags |= USSize;
537 } 547 }
548
538 if (flags & XValue) { 549 if (flags & XValue)
550 {
539 R->szHint.x = x; 551 szHint.x = x;
540 R->szHint.flags |= USPosition; 552 szHint.flags |= USPosition;
553
541 if (flags & XNegative) { 554 if (flags & XNegative)
555 {
542 recalc_x = 1; 556 recalc_x = 1;
543 R->szHint.win_gravity = NorthEastGravity; 557 szHint.win_gravity = NorthEastGravity;
544 } 558 }
545 } 559 }
560
546 if (flags & YValue) { 561 if (flags & YValue)
562 {
547 R->szHint.y = y; 563 szHint.y = y;
548 R->szHint.flags |= USPosition; 564 szHint.flags |= USPosition;
565
549 if (flags & YNegative) { 566 if (flags & YNegative)
567 {
550 recalc_y = 1; 568 recalc_y = 1;
569
551 if (R->szHint.win_gravity == NorthEastGravity) 570 if (szHint.win_gravity == NorthEastGravity)
552 R->szHint.win_gravity = SouthEastGravity; 571 szHint.win_gravity = SouthEastGravity;
553 else 572 else
554 R->szHint.win_gravity = SouthWestGravity; 573 szHint.win_gravity = SouthWestGravity;
555 } 574 }
556 } 575 }
557 } 576 }
577
558/* TODO: BOUNDS */ 578 /* TODO: BOUNDS */
559 R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth; 579 width = ncol * fwidth;
560 R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight; 580 height = nrow * fheight;
561 max_width = MAX_COLS * R->TermWin.fwidth; 581 max_width = MAX_COLS * fwidth;
562 max_height = MAX_ROWS * R->TermWin.fheight; 582 max_height = MAX_ROWS * fheight;
563 583
564 R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth; 584 szHint.base_width = szHint.base_height = 2 * int_bwidth;
565 585
566 sb_w = mb_h = 0;
567 R->window_vt_x = R->window_vt_y = 0; 586 window_vt_x = window_vt_y = int_bwidth;
568 if (scrollbar_visible(R)) { 587
588 if (scrollBar.state)
589 {
569 sb_w = scrollbar_TotalWidth(); 590 int sb_w = scrollBar.total_width ();
570 R->szHint.base_width += sb_w; 591 szHint.base_width += sb_w;
592
571 if (!(R->Options & Opt_scrollBar_right)) 593 if (!option (Opt_scrollBar_right))
572 R->window_vt_x = sb_w; 594 window_vt_x += sb_w;
573 } 595 }
574 if (menubar_visible(R)) { 596
575 mb_h = menuBar_TotalHeight();
576 R->szHint.base_height += mb_h;
577 R->window_vt_y = mb_h;
578 }
579 R->szHint.width_inc = R->TermWin.fwidth; 597 szHint.width_inc = fwidth;
580 R->szHint.height_inc = R->TermWin.fheight; 598 szHint.height_inc = fheight;
581 R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc; 599 szHint.min_width = szHint.base_width + szHint.width_inc;
582 R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc; 600 szHint.min_height = szHint.base_height + szHint.height_inc;
583 601
584 if (width && width - R->szHint.base_width < max_width) { 602 if (newwidth && newwidth - szHint.base_width < max_width)
603 {
585 R->szHint.width = width; 604 szHint.width = newwidth;
586 R->TermWin.width = width - R->szHint.base_width; 605 width = newwidth - szHint.base_width;
587 } else { 606 }
588 MIN_IT(R->TermWin.width, max_width); 607 else
608 {
609 min_it (width, max_width);
589 R->szHint.width = R->szHint.base_width + R->TermWin.width; 610 szHint.width = szHint.base_width + width;
590 } 611 }
612
591 if (height && height - R->szHint.base_height < max_height) { 613 if (newheight && newheight - szHint.base_height < max_height)
614 {
592 R->szHint.height = height; 615 szHint.height = newheight;
593 R->TermWin.height = height - R->szHint.base_height; 616 height = newheight - szHint.base_height;
594 } else { 617 }
595 MIN_IT(R->TermWin.height, max_height); 618 else
619 {
620 min_it (height, max_height);
596 R->szHint.height = R->szHint.base_height + R->TermWin.height; 621 szHint.height = szHint.base_height + height;
597 } 622 }
598 if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
599 R->window_sb_x = R->szHint.width - sb_w;
600 623
601 if (recalc_x) 624 if (recalc_x)
602 R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen) 625 szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
603 - R->szHint.width - 2 * R->TermWin.ext_bwidth); 626
604 if (recalc_y) 627 if (recalc_y)
605 R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen) 628 szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
606 - R->szHint.height - 2 * R->TermWin.ext_bwidth);
607 629
608 R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth; 630 ncol = width / fwidth;
609 R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight; 631 nrow = height / fheight;
610 D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
611 R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
612 R->szHint.height));
613 return;
614} 632}
615 633
616/*----------------------------------------------------------------------*/ 634/*----------------------------------------------------------------------*/
617/* 635/*
618 * Tell the teletype handler what size the window is. 636 * Tell the teletype handler what size the window is.
619 * Called after a window size change. 637 * Called after a window size change.
620 */ 638 */
621void 639void
622rxvt_term::tt_winch () 640rxvt_term::tt_winch ()
623{ 641{
624 struct winsize ws; 642 if (pty->pty < 0)
625
626 if (cmd_fd < 0)
627 return; 643 return;
628 644
645 struct winsize ws;
646
629 ws.ws_col = TermWin.ncol; 647 ws.ws_col = ncol;
630 ws.ws_row = TermWin.nrow; 648 ws.ws_row = nrow;
631 ws.ws_xpixel = ws.ws_ypixel = 0; 649 ws.ws_xpixel = width;
632#ifndef DEBUG_SIZE 650 ws.ws_ypixel = height;
633 (void)ioctl (cmd_fd, TIOCSWINSZ, &ws); 651 ioctl (pty->pty, TIOCSWINSZ, &ws);
634#else 652
635 if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0) 653#if 0
636 D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd)); 654 // TIOCSWINSZ is supposed to do this automatically and correctly
637# ifdef SIGWINCH
638 else if (cmd_pid) /* force through to the command */ 655 if (cmd_pid) /* force through to the command */
639 kill (cmd_pid, SIGWINCH); 656 kill (-cmd_pid, SIGWINCH);
640# endif
641#endif 657#endif
642} 658}
643 659
644/*----------------------------------------------------------------------*/ 660/*----------------------------------------------------------------------*/
645/* rxvt_change_font() - Switch to a new font */ 661/* set_fonts () - load and set the various fonts
646/* 662 *
647 * init = 1 - initialize 663 * init = 1 - initialize
648 * 664 *
649 * fontname == FONT_UP - switch to bigger font 665 * fontname == FONT_UP - switch to bigger font
650 * fontname == FONT_DN - switch to smaller font 666 * fontname == FONT_DN - switch to smaller font
651 */ 667 */
652/* EXTPROTO */ 668bool
653void 669rxvt_term::set_fonts ()
654rxvt_change_font(pR_ int init, const char *fontname)
655{ 670{
656} 671 rxvt_fontset *fs = new rxvt_fontset (this);
672 rxvt_fontprop prop;
657 673
658/* INTPROTO */ 674 if (!fs
675 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
676 || !fs->realize_font (1))
677 {
678 delete fs;
679 return false;
680 }
681
682#if ENABLE_STYLES
683 for (int i = RS_styleCount; --i; )
684 if (fontset[i] != fontset[0])
685 delete fontset[i];
686#endif
687
688 delete fontset[0];
689 fontset[0] = fs;
690
691 prop = (*fs)[1]->properties ();
692 prop.height += lineSpace;
693 prop.width += letterSpace;
694
695 fs->set_prop (prop, false);
696
697 fwidth = prop.width;
698 fheight = prop.height;
699 fbase = prop.ascent;
700
701 for (int style = 1; style < 4; style++)
702 {
703#if ENABLE_STYLES
704 const char *res = rs[Rs_font + style];
705
706 if (res && !*res)
707 fontset[style] = fontset[0];
708 else
709 {
710 fontset[style] = fs = new rxvt_fontset (this);
711 rxvt_fontprop prop2 = prop;
712
713 if (res)
714 {
715 fs->populate (res);
716 fs->set_prop (prop2, false);
717 }
718 else
719 {
720 fs->populate (fontset[0]->fontdesc);
721
722 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
723 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
724
725 fs->set_prop (prop2, true);
726 }
727
728 }
729#else
730 fontset[style] = fontset[0];
731#endif
732 }
733
734 if (parent[0])
735 {
736 resize_all_windows (0, 0, 0);
737 scr_remap_chars ();
738 scr_touch (true);
739 }
740
741 return true;
742}
743
659void 744void
660rxvt_font_up_down(pR_ int n, int direction) 745rxvt_term::set_string_property (Atom prop, const char *str, int len)
661{ 746{
747 XChangeProperty (dpy, parent[0],
748 prop, XA_STRING, 8, PropModeReplace,
749 (const unsigned char *)str, len >= 0 ? len : strlen (str));
750}
751
752void
753rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
754{
755 wchar_t *ws = rxvt_mbstowcs (str, len);
756 char *s = rxvt_wcstoutf8 (ws);
757
758 XChangeProperty (dpy, parent[0],
759 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
760 (const unsigned char *)s, strlen (s));
761
762 free (s);
763 free (ws);
662} 764}
663 765
664/*----------------------------------------------------------------------*/ 766/*----------------------------------------------------------------------*/
665/*----------------------------------------------------------------------*/ 767/*----------------------------------------------------------------------*/
666/* xterm sequences - title, iconName, color (exptl) */ 768/* xterm sequences - title, iconName, color (exptl) */
667/* EXTPROTO */
668void 769void
669rxvt_set_title(pR_ const char *str) 770rxvt_term::set_title (const char *str)
670{ 771{
671#ifndef SMART_WINDOW_TITLE 772 set_string_property (XA_WM_NAME, str);
672 XStoreName(R->Xdisplay, R->TermWin.parent[0], str); 773#if ENABLE_EWMH
673#else 774 set_utf8_property (xa[XA_NET_WM_NAME], str);
674 char *name;
675
676 if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
677 name = NULL;
678 if (name == NULL || STRCMP(name, str))
679 XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
680 if (name)
681 XFree(name);
682#endif 775#endif
683} 776}
684 777
685/* EXTPROTO */
686void 778void
687rxvt_set_iconName(pR_ const char *str) 779rxvt_term::set_icon_name (const char *str)
688{ 780{
689#ifndef SMART_WINDOW_TITLE 781 set_string_property (XA_WM_ICON_NAME, str);
690 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str); 782#if ENABLE_EWMH
691#else 783 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
692 char *name;
693
694 if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
695 name = NULL;
696 if (name == NULL || STRCMP(name, str))
697 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
698 if (name)
699 XFree(name);
700#endif 784#endif
701} 785}
702 786
787void
788rxvt_term::set_window_color (int idx, const char *color)
789{
703#ifdef XTERM_COLOR_CHANGE 790#ifdef XTERM_COLOR_CHANGE
704/* EXTPROTO */
705void
706rxvt_set_window_color(pR_ int idx, const char *color)
707{
708 rxvt_color xcol; 791 rxvt_color xcol;
709 int i;
710 792
711 if (color == NULL || *color == '\0') 793 if (color == NULL || *color == '\0')
712 return; 794 return;
713 795
796 color = strdup (color);
797 allocated.push_back ((void *)color);
798 rs[Rs_color + idx] = color;
799
714/* handle color aliases */ 800 /* handle color aliases */
715 if (isdigit(*color)) { 801 if (isdigit (*color))
802 {
716 i = atoi(color); 803 int i = atoi (color);
717 if (i >= 8 && i <= 15) { /* bright colors */ 804
718 i -= 8; 805 if (i >= 8 && i <= 15)
719# ifndef NO_BRIGHTCOLOR 806 {
720 R->PixColors[idx] = R->PixColors[minBrightCOLOR + i]; 807 /* bright colors */
721 SET_PIXCOLOR(R, idx); 808 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
722 goto Done; 809 goto done;
723# endif
724 } 810 }
725 if (i >= 0 && i <= 7) { /* normal colors */ 811
726 R->PixColors[idx] = R->PixColors[minCOLOR + i]; 812 if (i >= 0 && i <= 7)
727 SET_PIXCOLOR(R, idx); 813 {
814 /* normal colors */
815 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
728 goto Done; 816 goto done;
729 } 817 }
730 } 818 }
731 if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
732 return;
733/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
734 819
735/* 820 set_color (xcol, color);
821
822 /*
736 * FIXME: should free colors here, but no idea how to do it so instead, 823 * FIXME: should free colors here, but no idea how to do it so instead,
737 * so just keep gobbling up the colormap 824 * so just keep gobbling up the colormap
738 */ 825 */
739# if 0
740 for (i = Color_Black; i <= Color_White; i++)
741 if (R->PixColors[idx] == R->PixColors[i])
742 break;
743 if (i > Color_White) {
744 /* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
745 XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
746 DisplayPlanes(R->Xdisplay, Xscreen));
747 }
748# endif
749 826
750 R->PixColors[idx] = xcol; 827 pix_colors_focused[idx] = xcol;
751 SET_PIXCOLOR(R, idx);
752 828
753/* XSetWindowAttributes attr; */ 829done:
754/* Cursor cursor; */
755 Done:
756 if (idx == Color_bg && !(R->Options & Opt_transparent))
757 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
758 R->PixColors[Color_bg]);
759
760/* handle Color_BD, scrollbar background, etc. */ 830 /*TODO: handle Color_BD, scrollbar background, etc. */
761 831
762 rxvt_set_colorfgbg(aR); 832 update_fade_color (idx);
763 rxvt_recolour_cursor(aR); 833 recolour_cursor ();
764/* the only reasonable way to enforce a clean update */ 834 scr_recolour ();
765 rxvt_scr_poweron(aR); 835#endif /* XTERM_COLOR_CHANGE */
766} 836}
767 837
768#else
769# define rxvt_set_window_color(aR_ idx,color) ((void)0)
770#endif /* XTERM_COLOR_CHANGE */
771
772/* EXTPROTO */
773void 838void
774rxvt_recolour_cursor(pR) 839rxvt_term::recolour_cursor ()
775{ 840{
776 rxvt_color xcol[2]; 841 XColor fg, bg;
777 842
778#if TODO 843 (ISSET_PIXCOLOR (Color_pointer_fg)
779 xcol[0] = R->PixColors[Color_pointer]; 844 ? pix_colors_focused[Color_pointer_fg]
780 xcol[1] = R->PixColors[Color_bg]; 845 : pix_colors_focused[Color_fg]).get (fg);
781 XQueryColors(R->Xdisplay, XCMAP, xcol, 2); 846
782 XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1])); 847 (ISSET_PIXCOLOR (Color_pointer_bg)
783#endif 848 ? pix_colors_focused[Color_pointer_bg]
849 : pix_colors_focused[Color_bg]).get (bg);
850
851 XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
784} 852}
785 853
786/*----------------------------------------------------------------------*/ 854/*----------------------------------------------------------------------*/
787/* 855/*
788 * find if fg/bg matches any of the normal (low-intensity) colors 856 * find if fg/bg matches any of the normal (low-intensity) colors
789 */ 857 */
790/* INTPROTO */
791void 858void
792rxvt_set_colorfgbg(pR) 859rxvt_term::set_colorfgbg ()
793{ 860{
794 unsigned int i; 861 unsigned int i;
795 const char *xpmb = "\0"; 862 const char *xpmb = "";
796 char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1]; 863 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
797 864
798 R->env_colorfgbg = 865 strcpy (fstr, "default");
799 (char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1); 866 strcpy (bstr, "default");
800 STRCPY(fstr, "default");
801 STRCPY(bstr, "default");
802 for (i = Color_Black; i <= Color_White; i++) 867 for (i = Color_Black; i <= Color_White; i++)
803 if (R->PixColors[Color_fg] == R->PixColors[i]) { 868 if (pix_colors[Color_fg] == pix_colors[i])
869 {
804 sprintf(fstr, "%d", (i - Color_Black)); 870 sprintf (fstr, "%d", (i - Color_Black));
805 break; 871 break;
806 } 872 }
873
807 for (i = Color_Black; i <= Color_White; i++) 874 for (i = Color_Black; i <= Color_White; i++)
808 if (R->PixColors[Color_bg] == R->PixColors[i]) { 875 if (pix_colors[Color_bg] == pix_colors[i])
876 {
809 sprintf(bstr, "%d", (i - Color_Black)); 877 sprintf (bstr, "%d", (i - Color_Black));
810#ifdef XPM_BACKGROUND 878#ifdef BG_IMAGE_FROM_FILE
811 xpmb = "default;"; 879 xpmb = "default;";
812#endif 880#endif
813 break; 881 break;
814 } 882 }
883
815 sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); 884 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
816 putenv(R->env_colorfgbg);
817
818#ifndef NO_BRIGHTCOLOR
819 R->colorfgbg = DEFAULT_RSTYLE;
820 for (i = minCOLOR; i <= maxCOLOR; i++) {
821 if (R->PixColors[Color_fg] == R->PixColors[i])
822 R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
823 if (R->PixColors[Color_bg] == R->PixColors[i])
824 R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
825 }
826#endif
827} 885}
828 886
829/*----------------------------------------------------------------------*/ 887/*----------------------------------------------------------------------*/
830/*
831 * Colour determination for low colour displays, routine from
832 * Hans de Goede <hans@highrise.nl>
833 */
834 888
835/* EXTPROTO */ 889bool
836int 890rxvt_term::set_color (rxvt_color &color, const char *name)
837rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
838{ 891{
839 screen_in_out->set(aR_ colour); 892 if (color.set (this, name))
840
841 if (!screen_in_out->set(aR_ colour)) {
842 rxvt_print_error("can't allocate colour: %s", colour);
843 return false;
844 }
845
846 return true; 893 return true;
894
895 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
896 return false;
897}
898
899void
900rxvt_term::alias_color (int dst, int src)
901{
902 pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
847} 903}
848 904
849/* -------------------------------------------------------------------- * 905/* -------------------------------------------------------------------- *
850 * - WINDOW RESIZING - * 906 * - WINDOW RESIZING - *
851 * -------------------------------------------------------------------- */ 907 * -------------------------------------------------------------------- */
852/* EXTPROTO */
853void 908void
854rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height, 909rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
855 int ignoreparent)
856{ 910{
857 int fix_screen; 911 int fix_screen;
912 int old_width = szHint.width;
913 int old_height = szHint.height;
858 914
915 window_calc (newwidth, newheight);
916
917 bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
918
919 // to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
920 if (set_hint)
921 {
922 szHint.flags &= ~(PBaseSize | PResizeInc);
923 XSetWMNormalHints (dpy, parent[0], &szHint);
924 szHint.flags |= PBaseSize | PResizeInc;
925 }
926
927 if (!ignoreparent)
928 {
859#ifdef SMART_RESIZE 929#ifdef SMART_RESIZE
860 int old_width = R->szHint.width, old_height = R->szHint.height; 930 /*
861#endif
862
863 rxvt_window_calc(aR_ width, height);
864 XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
865 if (!ignoreparent) {
866#ifdef SMART_RESIZE
867/*
868 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> 931 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
869 * reposition window on resize depending on placement on screen 932 * reposition window on resize depending on placement on screen
870 */ 933 */
871 int x, y, x1, y1; 934 int x, y, x1, y1;
872 int dx, dy; 935 int dx, dy;
873 unsigned int unused_w1, unused_h1, unused_b1, unused_d1; 936 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
874 Window unused_cr; 937 Window unused_cr;
875 938
876 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot, 939 XTranslateCoordinates (dpy, parent[0], display->root,
877 0, 0, &x, &y, &unused_cr); 940 0, 0, &x, &y, &unused_cr);
878 XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1, 941 XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
879 &unused_w1, &unused_h1, &unused_b1, &unused_d1); 942 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
880 /* 943 /*
881 * if Xroot isn't the parent window, a WM will probably have offset 944 * if display->root isn't the parent window, a WM will probably have offset
882 * our position for handles and decorations. Counter it 945 * our position for handles and decorations. Counter it
883 */ 946 */
884 if (x1 != x || y1 != y) { 947 if (x1 != x || y1 != y)
948 {
885 x -= x1; 949 x -= x1;
886 y -= y1; 950 y -= y1;
887 } 951 }
888 952
889 x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2; 953 x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
890 y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2; 954 y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
891 dx = old_width - R->szHint.width; 955 dx = old_width - szHint.width;
892 dy = old_height - R->szHint.height; 956 dy = old_height - szHint.height;
893 957
894 /* Check position of the center of the window */ 958 /* Check position of the center of the window */
895 if (x < x1) /* left half */ 959 if (x < x1) /* left half */
896 dx = 0; 960 dx = 0;
897 else if (x == x1) /* exact center */ 961 else if (x == x1) /* exact center */
898 dx /= 2; 962 dx /= 2;
899 if (y < y1) /* top half */ 963 if (y < y1) /* top half */
900 dy = 0; 964 dy = 0;
901 else if (y == y1) /* exact center */ 965 else if (y == y1) /* exact center */
902 dy /= 2; 966 dy /= 2;
903 967
904 XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy, 968 XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
905 R->szHint.width, R->szHint.height); 969 szHint.width, szHint.height);
906#else 970#else
907 XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width, 971 XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
908 R->szHint.height);
909#endif 972#endif
910 } 973 }
911 974
912 fix_screen = (R->TermWin.ncol != R->prev_ncol 975 if (set_hint)
913 || R->TermWin.nrow != R->prev_nrow); 976 XSetWMNormalHints (dpy, parent[0], &szHint);
977
978 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
979
914 if (fix_screen || width != R->old_width || height != R->old_height) { 980 if (fix_screen || newwidth != old_width || newheight != old_height)
915 if (scrollbar_visible(R)) {
916 XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
917 0, scrollbar_TotalWidth(), R->szHint.height);
918 rxvt_Resize_scrollBar(aR);
919 }
920 if (menubar_visible(R))
921 XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
922 0, TermWin_TotalWidth(), menuBar_TotalHeight());
923 XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
924 R->window_vt_y, TermWin_TotalWidth(),
925 TermWin_TotalHeight());
926#ifdef RXVT_GRAPHICS
927 if (R->old_height)
928 rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
929 R->old_height - R->szHint.base_height);
930#endif
931 rxvt_scr_clear(aR);
932#ifdef XPM_BACKGROUND
933 rxvt_resize_pixmap(aR);
934#endif
935 } 981 {
982 if (scrollBar.state)
983 scrollBar.resize ();
936 984
985 XMoveResizeWindow (dpy, vt,
986 window_vt_x, window_vt_y,
987 width, height);
988
989#ifdef HAVE_BG_PIXMAP
990 if (bgPixmap.window_size_sensitive ())
991 update_background ();
992#endif
993 }
994
937 if (fix_screen || R->old_height == 0) { 995 if (fix_screen || old_height == 0)
938 int curr_screen = -1; 996 scr_reset ();
939 uint16_t old_ncol = R->prev_ncol;
940 997
941 /* scr_reset only works on the primary screen */ 998 // TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
942 if (R->old_height) /* this is not the first time through */ 999 //scr_touch (false);
943 curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
944 rxvt_scr_reset(aR);
945 if (curr_screen >= 0) { /* this is not the first time through */
946 rxvt_scr_change_screen(aR_ curr_screen);
947 rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
948 }
949 }
950 1000
951 R->old_width = R->szHint.width; 1001#ifdef HAVE_BG_PIXMAP
952 R->old_height = R->szHint.height; 1002// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
1003// if (bgPixmap.pixmap)
1004// scr_touch (false);
1005#endif
953 1006
954#ifdef USE_XIM 1007#ifdef USE_XIM
955 rxvt_IMSetStatusPosition(aR); 1008 IMSetPosition ();
956#endif 1009#endif
957} 1010}
958 1011
959/* 1012/*
960 * Set the width/height of the vt window in characters. Units are pixels. 1013 * Set the width/height of the vt window in characters. Units are pixels.
961 * good for toggling 80/132 columns 1014 * good for toggling 80/132 columns
962 */ 1015 */
963/* EXTPROTO */
964void 1016void
965rxvt_set_widthheight(pR_ unsigned int width, unsigned int height) 1017rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
966{ 1018{
967 XWindowAttributes wattr; 1019 XWindowAttributes wattr;
968 1020
969 if (width == 0 || height == 0) { 1021 if (newwidth == 0 || newheight == 0)
1022 {
970 XGetWindowAttributes(R->Xdisplay, Xroot, &wattr); 1023 XGetWindowAttributes (dpy, display->root, &wattr);
1024
971 if (width == 0) 1025 if (newwidth == 0)
972 width = wattr.width - R->szHint.base_width; 1026 newwidth = wattr.width - szHint.base_width;
973 if (height == 0) 1027 if (newheight == 0)
974 height = wattr.height - R->szHint.base_height; 1028 newheight = wattr.height - szHint.base_height;
1029 }
1030
1031 if (newwidth != width || newheight != height)
975 } 1032 {
976 if (width != R->TermWin.width || height != R->TermWin.height) {
977 width += R->szHint.base_width; 1033 newwidth += szHint.base_width;
978 height += R->szHint.base_height; 1034 newheight += szHint.base_height;
979 rxvt_resize_all_windows(aR_ width, height, 0); 1035 resize_all_windows (newwidth, newheight, 0);
980 } 1036 }
981} 1037}
982 1038
983/* -------------------------------------------------------------------- * 1039/* -------------------------------------------------------------------- *
984 * - X INPUT METHOD ROUTINES - * 1040 * - X INPUT METHOD ROUTINES - *
985 * -------------------------------------------------------------------- */ 1041 * -------------------------------------------------------------------- */
986#ifdef USE_XIM 1042#ifdef USE_XIM
987/* INTPROTO */
988void
989rxvt_setSize(pR_ XRectangle * size)
990{
991 size->x = R->TermWin.int_bwidth;
992 size->y = R->TermWin.int_bwidth;
993 size->width = Width2Pixel(R->TermWin.ncol);
994 size->height = Height2Pixel(R->TermWin.nrow);
995}
996 1043
997/* INTPROTO */
998void 1044void
999rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg) 1045rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1000{ 1046{
1001 *fg = R->PixColors[Color_fg]; 1047 fg = pix_colors [Color_fg];
1002 *bg = R->PixColors[Color_bg]; 1048 bg = pix_colors [Color_bg];
1049}
1050
1051void
1052rxvt_term::im_set_size (XRectangle &size)
1053{
1054 // the int_bwidth terms make no sense to me
1055 size.x = int_bwidth;
1056 size.y = int_bwidth;
1057 size.width = Width2Pixel (ncol) + int_bwidth;
1058 size.height = Height2Pixel (nrow) + int_bwidth;
1059}
1060
1061void
1062rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1063 XRectangle &status_rect,
1064 const XRectangle &needed_rect)
1065{
1066 preedit_rect.x = needed_rect.width;
1067 preedit_rect.y = 0;
1068 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1069 preedit_rect.height = fheight;
1070
1071 status_rect.x = 0;
1072 status_rect.y = 0;
1073 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1074 status_rect.height = fheight;
1003} 1075}
1004 1076
1005/* Checking whether input method is running. */ 1077/* Checking whether input method is running. */
1006/* INTPROTO */
1007Bool 1078bool
1008rxvt_IMisRunning(pR) 1079rxvt_term::IMisRunning ()
1009{ 1080{
1010 char *p; 1081 Atom atom;
1011 Atom atom; 1082 Window win;
1012 Window win;
1013 char server[IMBUFSIZ]; 1083 char server[IMBUFSIZ];
1014 1084
1015/* get current locale modifier */ 1085 /* get current locale modifier */
1016 if ((p = XSetLocaleModifiers(NULL)) != NULL) { 1086 if (char *p = XSetLocaleModifiers (0))
1087 {
1017 STRCPY(server, "@server="); 1088 strcpy (server, "@server=");
1018 STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */ 1089 strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
1090
1019 if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */ 1091 if (p = strchr (server + 1, '@')) /* first one only */
1020 *p = '\0'; 1092 *p = '\0';
1021 1093
1022 atom = XInternAtom(R->Xdisplay, server, False); 1094 atom = XInternAtom (dpy, server, False);
1023 win = XGetSelectionOwner(R->Xdisplay, atom); 1095 win = XGetSelectionOwner (dpy, atom);
1096
1024 if (win != None) 1097 if (win != None)
1025 return True; 1098 return True;
1026 } 1099 }
1100
1027 return False; 1101 return False;
1028} 1102}
1029 1103
1030/* EXTPROTO */
1031void 1104void
1032rxvt_IMSendSpot(pR) 1105rxvt_term::IMSendSpot ()
1033{ 1106{
1034 XPoint spot; 1107 XPoint nspot;
1035 XVaNestedList preedit_attr; 1108 XVaNestedList preedit_attr;
1036 1109
1037 if (R->Input_Context == NULL 1110 if (!Input_Context
1038 || !R->TermWin.focus || !(R->input_style & XIMPreeditPosition) 1111 || !focus
1039 || !(R->event_type == KeyPress 1112 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1040 || R->event_type == Expose
1041 || R->event_type == NoExpose
1042 || R->event_type == SelectionNotify
1043 || R->event_type == ButtonRelease || R->event_type == FocusIn)
1044 || !rxvt_IMisRunning(aR))
1045 return; 1113 return;
1046 1114
1047 rxvt_setPosition(aR_ & spot); 1115 im_set_position (nspot);
1048 1116
1117 if (nspot.x == spot.x && nspot.y == spot.y)
1118 return;
1119
1120 spot = nspot;
1121
1049 preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL); 1122 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1050 XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL); 1123 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1051 XFree(preedit_attr); 1124 XFree (preedit_attr);
1052} 1125}
1053 1126
1054/* EXTPROTO */
1055void 1127void
1056rxvt_setTermFontSet(pR_ int idx) 1128rxvt_term::im_destroy ()
1057{ 1129{
1058 char *string; 1130 if (input_method)
1059 long length; 1131 {
1060 int success = 0; 1132 if (Input_Context && input_method->xim)
1133 XDestroyIC (Input_Context);
1061 1134
1062 if (idx < 0 || idx >= MAX_NFONTS) 1135 display->put_xim (input_method);
1063 return; 1136 input_method = 0;
1064} 1137 }
1065 1138
1066/* INTPROTO */
1067void
1068rxvt_setPreeditArea (pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1069 XRectangle * needed_rect)
1070{
1071 int mbh, vtx = 0;
1072
1073 if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1074 vtx = scrollbar_TotalWidth();
1075 mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1076 mbh -= R->TermWin.lineSpace;
1077
1078 preedit_rect->x = needed_rect->width + vtx;
1079 preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1080
1081 preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1082 + vtx;
1083 preedit_rect->height = Height2Pixel(1);
1084
1085 status_rect->x = vtx;
1086 status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1087
1088 status_rect->width = needed_rect->width ? needed_rect->width
1089 : Width2Pixel(R->TermWin.ncol + 1);
1090 status_rect->height = Height2Pixel(1);
1091}
1092
1093/* ARGSUSED */
1094/* INTPROTO */
1095void
1096rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1097 __attribute__ ((unused)), XPointer call_data
1098 __attribute__ ((unused)))
1099{
1100 dR;
1101
1102 R->Input_Context = NULL; 1139 Input_Context = 0;
1103/* To avoid Segmentation Fault in C locale: Solaris only? */
1104 if (STRCMP(R->locale, "C"))
1105 XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1106 rxvt_IMInstantiateCallback, NULL);
1107} 1140}
1108 1141
1109/* 1142#ifdef ENABLE_XIM_ONTHESPOT
1110 * X manual pages and include files don't match on some systems:
1111 * some think this is an XIDProc and others an XIMProc so we can't
1112 * use the first argument - need to update this to be nice for
1113 * both types via some sort of configure detection
1114 */
1115/* ARGSUSED */
1116/* EXTPROTO */
1117void
1118rxvt_IMInstantiateCallback(Display * unused
1119 __attribute__ ((unused)), XPointer client_data
1120 __attribute__ ((unused)), XPointer call_data
1121 __attribute__ ((unused)))
1122{
1123 dR;
1124 int i, found, had_im;
1125 const char *p;
1126 char **s;
1127 char buf[IMBUFSIZ];
1128 1143
1129 D_MAIN((stderr, "rxvt_IMInstantiateCallback()")); 1144static void
1130 if (R->Input_Context) 1145xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1131 return; 1146{
1147 ((rxvt_term *)client_data)->make_current ();
1148 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1149}
1132 1150
1133 found = had_im = 0; 1151static void
1134 p = R->rs[Rs_inputMethod]; 1152xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1135 if (p && *p) { 1153{
1136 had_im = 1; 1154 ((rxvt_term *)client_data)->make_current ();
1137 s = rxvt_splitcommastring(p); 1155 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1138 for (i = 0; s[i]; i++) { 1156}
1139 if (*s[i]) { 1157
1140 STRCPY(buf, "@im="); 1158static void
1141 STRNCAT(buf, s[i], IMBUFSIZ - 5); 1159xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1142 if ((p = XSetLocaleModifiers(buf)) != NULL && *p 1160{
1143 && (rxvt_IM_get_IC(aR) == True)) { 1161 rxvt_term *term = (rxvt_term *)client_data;
1144 found = 1; 1162 XIMText *text = call_data->text;
1145 break; 1163
1146 } 1164 term->make_current ();
1147 } 1165
1166 if (text)
1167 {
1168 void *str;
1169
1170 if (!text->encoding_is_wchar && text->string.multi_byte)
1171 {
1172 // of course, X makes it ugly again
1173 if (term->rs[Rs_imLocale])
1174 SET_LOCALE (term->rs[Rs_imLocale]);
1175
1176 str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
1177 mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
1178
1179 if (term->rs[Rs_imLocale])
1180 SET_LOCALE (term->locale);
1148 } 1181 }
1149 for (i = 0; s[i]; i++) 1182 else
1150 free(s[i]); 1183 str = (void *)text->string.wide_char;
1151 free(s);
1152 }
1153 if (found)
1154 return;
1155 1184
1156/* try with XMODIFIERS env. var. */ 1185 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1157 if ((p = XSetLocaleModifiers("")) != NULL && *p) { 1186 DT_INT, call_data->caret,
1158 rxvt_IM_get_IC(aR); 1187 DT_INT, call_data->chg_first,
1159 return; 1188 DT_INT, call_data->chg_length,
1189 DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1190 DT_WCS_LEN, str, str ? (int)text->length : 0,
1191 DT_END));
1160 } 1192 }
1161 1193 else
1162/* try with no modifiers base IF the user didn't specify an IM */ 1194 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1163 if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p 1195 DT_INT, call_data->caret,
1164 && rxvt_IM_get_IC(aR) == True) 1196 DT_INT, call_data->chg_first,
1165 return; 1197 DT_INT, call_data->chg_length,
1198 DT_END));
1166} 1199}
1200
1201#if 0
1202static void
1203xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1204{
1205 ((rxvt_term *)client_data)->make_current ();
1206 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1207 DT_INT, call_data->position,
1208 DT_INT, call_data->direction,
1209 DT_INT, call_data->style,
1210 DT_END));
1211}
1212#endif
1213
1214#endif
1167 1215
1168/* 1216/*
1169 * Try to open a XIM with the current modifiers, then see if we can 1217 * Try to open a XIM with the current modifiers, then see if we can
1170 * open a suitable preedit type 1218 * open a suitable preedit type
1171 */ 1219 */
1172/* INTPROTO */
1173Bool 1220bool
1174rxvt_IM_get_IC(pR) 1221rxvt_term::IM_get_IC (const char *modifiers)
1175{ 1222{
1176 int i, j, found; 1223 int i, j, found;
1177 XIM xim; 1224 XIM xim;
1178 XPoint spot; 1225 XPoint spot;
1179 XRectangle rect, status_rect, needed_rect; 1226 XRectangle rect, status_rect, needed_rect;
1180 unsigned long fg, bg; 1227 unsigned long fg, bg;
1181 const char *p; 1228 const char *p;
1182 char **s; 1229 char **s;
1183 XIMStyles *xim_styles; 1230 XIMStyles *xim_styles;
1184 XVaNestedList preedit_attr, status_attr; 1231#ifdef ENABLE_XIM_ONTHESPOT
1185 XIMCallback ximcallback; 1232 XIMCallback xcb[4];
1233#endif
1186 1234
1187 D_MAIN((stderr, "rxvt_IM_get_IC()")); 1235 set_environ (envv);
1188 xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL); 1236
1189 if (xim == NULL) 1237 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1190 return False; 1238 return false;
1191 1239
1240 input_method = display->get_xim (locale, modifiers);
1241 if (input_method == NULL)
1242 return false;
1243
1244 xim = input_method->xim;
1245 spot.x = spot.y = -1;
1246
1192 xim_styles = NULL; 1247 xim_styles = NULL;
1193 if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL) 1248 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1194 || !xim_styles || !xim_styles->count_styles) { 1249 || !xim_styles || !xim_styles->count_styles)
1195 XCloseIM(xim); 1250 {
1251 im_destroy ();
1196 return False; 1252 return false;
1253 }
1254
1255 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1256
1257 for (int pi = 0; pi < 2; pi++)
1197 } 1258 {
1259 p = pet[pi];
1198 1260
1199 p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType] 1261 if (!p)
1200 : "OverTheSpot,OffTheSpot,Root"; 1262 continue;
1263
1201 s = rxvt_splitcommastring(p); 1264 s = rxvt_splitcommastring (p);
1265
1202 for (i = found = 0; !found && s[i]; i++) { 1266 for (i = found = 0; !found && s[i]; i++)
1267 {
1203 if (!STRCMP(s[i], "OverTheSpot")) 1268 if (!strcmp (s[i], "OverTheSpot"))
1204 R->input_style = (XIMPreeditPosition | XIMStatusNothing); 1269 input_style = XIMPreeditPosition | XIMStatusNothing;
1205 else if (!STRCMP(s[i], "OffTheSpot")) 1270 else if (!strcmp (s[i], "OffTheSpot"))
1206 R->input_style = (XIMPreeditArea | XIMStatusArea); 1271 input_style = XIMPreeditArea | XIMStatusArea;
1207 else if (!STRCMP(s[i], "Root")) 1272 else if (!strcmp (s[i], "Root"))
1208 R->input_style = (XIMPreeditNothing | XIMStatusNothing); 1273 input_style = XIMPreeditNothing | XIMStatusNothing;
1274 else if (!strcmp (s[i], "None"))
1275 input_style = XIMPreeditNone | XIMStatusNone;
1276#ifdef ENABLE_XIM_ONTHESPOT
1277 else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1278 input_style = XIMPreeditCallbacks | XIMStatusNothing;
1279#endif
1280 else
1281 input_style = XIMPreeditNothing | XIMStatusNothing;
1209 1282
1210 for (j = 0; j < xim_styles->count_styles; j++) 1283 for (j = 0; j < xim_styles->count_styles; j++)
1211 if (R->input_style == xim_styles->supported_styles[j]) { 1284 if (input_style == xim_styles->supported_styles[j])
1285 {
1286 rxvt_freecommastring (s);
1287
1212 found = 1; 1288 found = 1;
1289 goto foundpet;
1290 }
1291
1292 }
1293
1294 rxvt_freecommastring (s);
1295 }
1296
1297foundpet:
1298
1299 XFree (xim_styles);
1300
1301 if (!found)
1302 {
1303 im_destroy ();
1304 return false;
1305 }
1306
1307 XFontSet fs = 0;
1308 XVaNestedList preedit_attr = 0, status_attr = 0;
1309
1310 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1311 {
1312 // fake us a font-set, please
1313 char **missing_charset_list;
1314 int missing_charset_count;
1315 char *def_string;
1316 char pat[512];
1317
1318 sprintf (pat,
1319 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1320 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1321 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1322 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1323 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1324 "*",
1325 fheight,
1326 fheight + 1, fheight - 1,
1327 fheight - 2, fheight + 2);
1328
1329 fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1330 &missing_charset_list, &missing_charset_count, &def_string);
1331
1332 if (missing_charset_list)
1333 XFreeStringList (missing_charset_list);
1334
1335 if (!fs)
1336 {
1337 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1338 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1339 }
1340 }
1341
1342 if (input_style & XIMPreeditPosition)
1343 {
1344 im_set_size (rect);
1345 im_set_position (spot);
1346 im_set_color (fg, bg);
1347
1348 preedit_attr = XVaCreateNestedList (0,
1349 XNForeground, fg,
1350 XNBackground, bg,
1351 XNArea, &rect,
1352 XNSpotLocation, &spot,
1353 XNFontSet, fs,
1354 NULL);
1355 }
1356 else if (input_style & XIMPreeditArea)
1357 {
1358 im_set_color (fg, bg);
1359
1360 /*
1361 * The necessary width of preedit area is unknown
1362 * until create input context.
1363 */
1364 needed_rect.width = 0;
1365 im_set_preedit_area (rect, status_rect, needed_rect);
1366
1367 preedit_attr = XVaCreateNestedList (0,
1368 XNForeground, fg,
1369 XNBackground, bg,
1370 XNArea, &rect,
1371 XNFontSet, fs,
1372 NULL);
1373 status_attr = XVaCreateNestedList (0,
1374 XNForeground, fg,
1375 XNBackground, bg,
1376 XNArea, &status_rect,
1377 XNFontSet, fs,
1378 NULL);
1379 }
1380#if ENABLE_XIM_ONTHESPOT
1381 else if (input_style & XIMPreeditCallbacks)
1382 {
1383 im_set_position (spot);
1384
1385 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1386 xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1387 xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1388# if 0
1389 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1390# endif
1391
1392 preedit_attr = XVaCreateNestedList (0,
1393 XNSpotLocation, &spot,
1394 XNPreeditStartCallback, &xcb[0],
1395 XNPreeditDoneCallback , &xcb[1],
1396 XNPreeditDrawCallback , &xcb[2],
1397# if 0
1398 XNPreeditCaretCallback, &xcb[3],
1399# endif
1400 NULL);
1401 }
1402#endif
1403
1404 Input_Context = XCreateIC (xim,
1405 XNInputStyle, input_style,
1406 XNClientWindow, vt,
1407 XNFocusWindow, parent[0],
1408 preedit_attr ? XNPreeditAttributes : NULL,
1409 preedit_attr,
1410 status_attr ? XNStatusAttributes : NULL,
1411 status_attr, NULL);
1412
1413 if (preedit_attr) XFree (preedit_attr);
1414 if (status_attr) XFree (status_attr);
1415 if (fs) XFreeFontSet (dpy, fs);
1416
1417 if (Input_Context == NULL)
1418 {
1419 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1420 im_destroy ();
1421 return false;
1422 }
1423
1424#if 0
1425 // unfortunately, only the focus window is used by XIM, hard to fix
1426 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1427 vt_select_input ();
1428#endif
1429
1430 IMSetPosition ();
1431
1432 return true;
1433}
1434
1435void
1436rxvt_term::im_cb ()
1437{
1438 int i;
1439 const char *p;
1440 char **s;
1441 char buf[IMBUFSIZ];
1442
1443 make_current ();
1444
1445 im_destroy ();
1446
1447 if (Input_Context)
1448 return;
1449
1450#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1451 if (rs[Rs_imLocale])
1452 SET_LOCALE (rs[Rs_imLocale]);
1453#endif
1454
1455 p = rs[Rs_inputMethod];
1456 if (p && *p)
1457 {
1458 bool found = false;
1459
1460 s = rxvt_splitcommastring (p);
1461
1462 for (i = 0; s[i]; i++)
1463 {
1464 if (*s[i])
1465 {
1466 strcpy (buf, "@im=");
1467 strncat (buf, s[i], IMBUFSIZ - 5);
1468 if (IM_get_IC (buf))
1469 {
1470 found = true;
1213 break; 1471 break;
1472 }
1214 } 1473 }
1215 } 1474 }
1216 for (i = 0; s[i]; i++)
1217 free(s[i]);
1218 free(s);
1219 XFree(xim_styles);
1220 1475
1476 rxvt_freecommastring (s);
1477
1221 if (!found) { 1478 if (found)
1222 XCloseIM(xim); 1479 goto done;
1223 return False;
1224 } 1480 }
1225 1481
1226 ximcallback.callback = rxvt_IMDestroyCallback; 1482 /* try with XMODIFIERS env. var. */
1483 if (IM_get_IC (""))
1484 goto done;
1227 1485
1228/* XXX: not sure why we need this (as well as IC one below) */ 1486 /* try with no modifiers base IF the user didn't specify an IM */
1229 XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL); 1487 if (IM_get_IC ("@im=none"))
1488 goto done;
1230 1489
1231 preedit_attr = status_attr = NULL; 1490done:
1232 1491#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1233 if (R->input_style & XIMPreeditPosition) { 1492 if (rs[Rs_imLocale])
1234 rxvt_setSize(aR_ & rect); 1493 SET_LOCALE (locale);
1235 rxvt_setPosition(aR_ & spot); 1494#endif
1236 rxvt_setColor(aR_ & fg, &bg);
1237
1238 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1239 XNSpotLocation, &spot,
1240 XNForeground, fg, XNBackground, bg,
1241 //XNFontSet, R->TermWin.fontset,
1242 NULL);
1243 } else if (R->input_style & XIMPreeditArea) {
1244 rxvt_setColor(aR_ & fg, &bg);
1245
1246 /*
1247 * The necessary width of preedit area is unknown
1248 * until create input context.
1249 */
1250 needed_rect.width = 0;
1251
1252 rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1253
1254 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1255 XNForeground, fg, XNBackground, bg,
1256 //XNFontSet, R->TermWin.fontset,
1257 NULL);
1258 status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1259 XNForeground, fg, XNBackground, bg,
1260 //XNFontSet, R->TermWin.fontset,
1261 NULL);
1262 }
1263 R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1264 XNClientWindow, R->TermWin.parent[0],
1265 XNFocusWindow, R->TermWin.parent[0],
1266 XNDestroyCallback, &ximcallback,
1267 preedit_attr ? XNPreeditAttributes : NULL,
1268 preedit_attr,
1269 status_attr ? XNStatusAttributes : NULL,
1270 status_attr, NULL);
1271 if (preedit_attr)
1272 XFree(preedit_attr);
1273 if (status_attr)
1274 XFree(status_attr);
1275 if (R->Input_Context == NULL) {
1276 rxvt_print_error("failed to create input context");
1277 XCloseIM(xim);
1278 return False;
1279 }
1280 if (R->input_style & XIMPreeditArea)
1281 rxvt_IMSetStatusPosition(aR);
1282 D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1283 return True;
1284} 1495}
1285 1496
1286/* EXTPROTO */
1287void 1497void
1288rxvt_IMSetStatusPosition(pR) 1498rxvt_term::IMSetPosition ()
1289{ 1499{
1290 XRectangle preedit_rect, status_rect, *needed_rect; 1500 XRectangle preedit_rect, status_rect, *needed_rect;
1291 XVaNestedList preedit_attr, status_attr; 1501 XVaNestedList preedit_attr, status_attr;
1292 1502
1293 if (R->Input_Context == NULL 1503 if (!Input_Context
1294 || !R->TermWin.focus || !(R->input_style & XIMPreeditArea) 1504 || !focus
1505 || !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1295 || !rxvt_IMisRunning(aR)) 1506 || !IMisRunning ())
1296 return; 1507 return;
1297 1508
1509 if (input_style & XIMPreeditPosition)
1510 {
1511 im_set_size (preedit_rect);
1512 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1513
1514 XSetICValues (Input_Context,
1515 XNPreeditAttributes, preedit_attr, NULL);
1516 }
1517 else
1518 {
1298/* Getting the necessary width of preedit area */ 1519 /* Getting the necessary width of preedit area */
1299 status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL); 1520 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1300 XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL); 1521 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1301 XFree(status_attr); 1522 XFree (status_attr);
1302 1523
1303 rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect); 1524 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1525 XFree (needed_rect);
1304 1526
1305 preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL); 1527 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1306 status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL); 1528 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1307 1529
1308 XSetICValues(R->Input_Context, 1530 XSetICValues (Input_Context,
1309 XNPreeditAttributes, preedit_attr, 1531 XNPreeditAttributes, preedit_attr,
1310 XNStatusAttributes, status_attr, NULL); 1532 XNStatusAttributes, status_attr,
1533 NULL);
1311 1534
1535 XFree (status_attr);
1536 }
1537
1312 XFree(preedit_attr); 1538 XFree (preedit_attr);
1313 XFree(status_attr);
1314} 1539}
1315#endif /* USE_XIM */ 1540#endif /* USE_XIM */
1316 1541
1317/*----------------------------------------------------------------------*/ 1542void
1318rxvt_t rxvt_current_term; 1543rxvt_term::get_window_origin (int &x, int &y)
1544{
1545 Window cr;
1546 XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
1547/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
1548}
1549
1550Pixmap
1551rxvt_term::get_pixmap_property (int prop_id)
1552{
1553 if (prop_id > 0 && prop_id < NUM_XA)
1554 if (xa[prop_id])
1555 {
1556 int aformat;
1557 unsigned long nitems, bytes_after;
1558 Atom atype;
1559 unsigned char *prop = NULL;
1560 int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
1561 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1562 &nitems, &bytes_after, &prop);
1563 if (result == Success && prop && atype == XA_PIXMAP)
1564 return *(Pixmap *)prop;
1565 }
1566
1567 return None;
1568}
1569
1570#ifdef HAVE_BG_PIXMAP
1571# if TRACE_PIXMAPS
1572# undef update_background
1573void
1574rxvt_term::trace_update_background (const char *file, int line)
1575{
1576 fprintf (stderr, "%s:%d:update_background()\n", file, line);
1577 update_background ();
1578}
1579# endif
1580
1581void
1582rxvt_term::update_background ()
1583{
1584 if (update_background_ev.is_active ())
1585 return;
1586
1587 bgPixmap.invalidate ();
1588
1589 ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
1590
1591 if (to_wait <= 0.)
1592 bgPixmap.render ();
1593 else
1594 update_background_ev.start (to_wait);
1595}
1596
1597void
1598rxvt_term::update_background_cb (ev::timer &w, int revents)
1599{
1600 make_current ();
1601
1602 update_background_ev.stop ();
1603 bgPixmap.render ();
1604 refresh_check ();
1605}
1606
1607#endif /* HAVE_BG_PIXMAP */
1319 1608
1320/*----------------------- end-of-file (C source) -----------------------*/ 1609/*----------------------- end-of-file (C source) -----------------------*/

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