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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.13 by pcg, Wed Dec 17 09:00:35 2003 UTC vs.
Revision 1.331 by sf-exg, Mon Jul 26 22:07:38 2010 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: main.c 2 * File: main.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: main.C,v 1.13 2003/12/17 09:00:35 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
40#include <cassert>
37#include <signal.h> 41#include <csignal>
42#include <cstring>
38 43
39#ifdef TTY_GID_SUPPORT
40# include <grp.h>
41#endif
42
43#ifdef HAVE_TERMIOS_H
44# include <termios.h> 44#include <termios.h>
45
46#ifdef HAVE_XSETLOCALE
47# define X_LOCALE
48# include <X11/Xlocale.h>
49#else
50# ifdef HAVE_SETLOCALE
51# include <clocale>
45#endif 52# endif
53#endif
46 54
55vector<rxvt_term *> rxvt_term::termlist;
56
57// used to tell global functions which terminal instance is "active"
58rxvt_t rxvt_current_term;
59
60static char curlocale[128], savelocale[128];
61
62bool
63rxvt_set_locale (const char *locale) NOTHROW
64{
65 int size = strlen (locale) + 1;
66
67 if (size > sizeof (curlocale))
68 rxvt_fatal ("locale string too long, aborting.\n");
69
70 if (!locale || !memcmp (locale, curlocale, size))
71 return false;
72
73 memcpy (curlocale, locale, size);
74 setlocale (LC_CTYPE, curlocale);
75 return true;
76}
77
47void * 78void
48rxvt_term::operator new (size_t s) 79rxvt_push_locale (const char *locale) NOTHROW
49{ 80{
50 void *p = malloc (s); 81 strcpy (savelocale, curlocale);
82 rxvt_set_locale (locale);
83}
51 84
52 MEMSET (p, 0, s); 85void
86rxvt_pop_locale () NOTHROW
87{
88 rxvt_set_locale (savelocale);
89}
90
91#if ENABLE_COMBINING
92class rxvt_composite_vec rxvt_composite;
93
94text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
95{
96 compose_char *cc;
97
98 // break compose chains, as stupid readline really likes to duplicate
99 // composing characters for some reason near the end of a line.
100 cc = (*this)[c1];
101 while (cc)
102 {
103 if (cc->c2 == c2) return c1;
104 cc = (*this)[cc->c1];
105 }
106
107 // check to see whether this combination already exists otherwise
108 for (cc = v.end (); cc-- > v.begin (); )
109 {
110 if (cc->c1 == c1 && cc->c2 == c2)
111 return COMPOSE_LO + (cc - v.begin ());
112 }
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 fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
121
122 return REPLACEMENT_CHAR;
123 }
124
125 v.push_back (compose_char (c1, c2));
126
127 return v.size () - 1 + COMPOSE_LO;
128}
129
130int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
131{
132 compose_char *cc = (*this)[c];
133
134 if (!cc)
135 {
136 if (r) *r = c;
137 return 1;
138 }
139
140 int len = expand (cc->c1, r);
141
142 if (r) r += len;
143
144 if (cc->c2 != NOCHAR)
145 {
146 len++;
147 if (r) *r++ = cc->c2;
148 }
149
53 return p; 150 return len;
54}
55 151
56void
57rxvt_term::operator delete (void *p, size_t s)
58{
59 free (p);
60} 152}
153#endif
61 154
62rxvt_term::rxvt_term () 155rxvt_term::rxvt_term ()
63: pty_ev (this, &rxvt_term::pty_cb), 156{
157#if HAVE_BG_PIXMAP
158 update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
159#endif
64#ifdef CURSOR_BLINK 160#ifdef CURSOR_BLINK
65 blink_ev (this, &rxvt_term::blink_cb), 161 cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
162#endif
163#ifdef TEXT_BLINK
164 text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
165#endif
166#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
167 cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
168#endif
169#ifdef SELECTION_SCROLLING
170 sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
171#endif
172#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
173 slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
174#endif
175#if ENABLE_TRANSPARENCY || ENABLE_PERL
176 rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
177#endif
178 scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
179#ifdef USE_XIM
180 im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
66#endif 181#endif
67#ifdef POINTER_BLANK 182#ifdef POINTER_BLANK
68 pointer_ev (this, &rxvt_term::pointer_cb), 183 pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
69#endif 184#endif
70 x_ev (this, &rxvt_term::x_cb), 185#ifndef NO_BELL
71 destroy_ev (this, &rxvt_term::destroy_cb), 186 bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
72 check_ev (this, &rxvt_term::check_cb), 187#endif
73 incr_ev (this, &rxvt_term::incr_cb) 188 child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
74{ 189 flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
190 destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
191 pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
192 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
75 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;
76} 215}
77 216
78rxvt_term::~rxvt_term () 217rxvt_term::~rxvt_term ()
79{ 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 bgPixmap.destroy ();
232#endif
233#ifdef HAVE_AFTERIMAGE
234 if (asv)
235 destroy_asvisual (asv, 0);
236 if (asimman)
237 destroy_image_manager (asimman, 0);
238#endif
239
240 if (display)
241 {
242 selection_clear ();
243 selection_clear (true);
244
245#ifdef USE_XIM
246 im_destroy ();
247#endif
248 scrollBar.destroy ();
249 if (gc) XFreeGC (dpy, gc);
250
251 delete drawable;
252 // destroy all windows
253 if (parent[0])
254 XDestroyWindow (dpy, parent[0]);
255
256 for (int i = 0; i < TOTAL_COLORS; i++)
257 if (ISSET_PIXCOLOR (i))
258 {
259 pix_colors_focused [i].free (this);
260#if OFF_FOCUS_FADING
261 pix_colors_unfocused [i].free (this);
262#endif
263 }
264
265 clear ();
266
267 display->flush (); /* ideally .put should do this */
268 displays.put (display);
269 }
270
80 scr_release (); 271 scr_release ();
81 272
82#ifndef NO_SETOWNER_TTYDEV 273 /* clear all resources */
83 rxvt_privileged_ttydev (this, RESTORE); 274 for (int i = 0; i < allocated.size (); i++)
84#endif 275 free (allocated [i]);
85#ifdef UTMP_SUPPORT
86 rxvt_privileged_utmp (this, RESTORE);
87#endif
88#ifdef USE_XIM
89 if (Input_Context != NULL)
90 {
91 XDestroyIC (Input_Context);
92 Input_Context = NULL;
93 }
94#endif
95 276
96 if (cmd_fd >= 0) 277 free (selection.text);
97 close (cmd_fd); 278 free (selection.clip_text);
279 // TODO: manage env vars in child only(!)
280 free (env_display);
281 free (env_term);
282 free (locale);
283 free (v_buffer);
284 free (incr_buf);
98 285
99 if (Xfd >= 0) 286 delete envv;
100 XCloseDisplay (Xdisplay); 287 delete argv;
101 288
102 delete PixColors; 289#ifdef KEYSYM_RESOURCE
290 delete keyboard;
291#endif
292#ifndef NO_RESOURCES
293 XrmDestroyDatabase (option_db);
294#endif
295}
296
297// child has exited, usually destroys
298void
299rxvt_term::child_cb (ev::child &w, int status)
300{
301 HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
302
303 cmd_pid = 0;
304
305 if (!option (Opt_hold))
306 destroy ();
103} 307}
104 308
105void 309void
106rxvt_term::destroy () 310rxvt_term::destroy ()
107{ 311{
312 if (destroy_ev.is_active ())
313 return;
314
315 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
316
317#if ENABLE_OVERLAY
318 scr_overlay_off ();
319#endif
320
321 if (display)
322 {
323#if USE_XIM
324 im_ev.stop (display);
325#endif
326 scrollbar_ev.stop (display);
327#if ENABLE_TRANSPARENCY || ENABLE_PERL
328 rootwin_ev.stop (display);
329#endif
330 incr_ev.stop ();
331 termwin_ev.stop (display);
332 vt_ev.stop (display);
333 }
334
108 check_ev.stop (); 335 flush_ev.stop ();
109 pty_ev.stop (); 336 pty_ev.stop ();
110 x_ev.stop ();
111#ifdef CURSOR_BLINK 337#ifdef CURSOR_BLINK
338 cursor_blink_ev.stop ();
339#endif
340#ifdef TEXT_BLINK
112 blink_ev.stop (); 341 text_blink_ev.stop ();
342#endif
343#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
344 cont_scroll_ev.stop ();
345#endif
346#ifdef SELECTION_SCROLLING
347 sel_scroll_ev.stop ();
113#endif 348#endif
114#ifdef POINTER_BLANK 349#ifdef POINTER_BLANK
115 pointer_ev.stop (); 350 pointer_ev.stop ();
116#endif 351#endif
117 352
118 destroy_ev.start (0); 353 destroy_ev.start ();
119} 354}
120 355
121void 356void
122rxvt_term::destroy_cb (time_watcher &w) 357rxvt_term::destroy_cb (ev::idle &w, int revents)
123{ 358{
124 SET_R (this); 359 make_current ();
125 360
126 delete this; 361 delete this;
127}
128
129/*----------------------------------------------------------------------*/
130/* rxvt_init() */
131/* LIBPROTO */
132rxvt_t
133rxvt_init (int argc, const char *const *argv)
134{
135 SET_R (new rxvt_term);
136 dR;
137
138 if (!R->init_vars () || !R->init (argc, argv))
139 {
140 delete R;
141 return NULL;
142 }
143
144 return R;
145}
146
147/* EXTPROTO */
148void
149rxvt_init_signals ()
150{
151/* install exit handler for cleanup */
152#if 0
153#ifdef HAVE_ATEXIT
154 atexit(rxvt_clean_exit);
155#else
156#endif
157#endif
158
159 struct sigaction sa;
160
161 sigfillset (&sa.sa_mask);
162 sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
163 sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
164 sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
165 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
166 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
167 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
168 sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
169
170/* need to trap SIGURG for SVR4 (Unixware) rlogin */
171/* signal (SIGURG, SIG_DFL); */
172
173 XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
174 //XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
175}
176
177bool
178rxvt_term::init (int argc, const char *const *argv)
179{
180 dR;//TODO (scrollbar, setidle)
181
182 /*
183 * Save and then give up any super-user privileges
184 * If we need privileges in any area then we must specifically request it.
185 * We should only need to be root in these cases:
186 * 1. write utmp entries on some systems
187 * 2. chown tty on some systems
188 */
189 rxvt_privileges (this, SAVE);
190 rxvt_privileges (this, IGNORE);
191
192 rxvt_init_secondary (this);
193
194 const char **cmd_argv = rxvt_init_resources (this, argc, argv);
195
196#if (MENUBAR_MAX)
197 rxvt_menubar_read (this, rs[Rs_menu]);
198#endif
199#ifdef HAVE_SCROLLBARS
200 if (Options & Opt_scrollBar)
201 scrollbar_setIdle (); /* set existence for size calculations */
202#endif
203
204 rxvt_Create_Windows (this, argc, argv);
205
206 rxvt_init_xlocale (this);
207
208 scr_reset (); /* initialize screen */
209#ifdef RXVT_GRAPHICS
210 rxvt_Gr_reset (this); /* reset graphics */
211#endif
212
213#if 0
214#ifdef DEBUG_X
215 XSynchronize(Xdisplay, True);
216#endif
217#endif
218
219#ifdef HAVE_SCROLLBARS
220 if (Options & Opt_scrollBar)
221 rxvt_Resize_scrollBar (this); /* create and map scrollbar */
222#endif
223#if (MENUBAR_MAX)
224 if (menubar_visible(r))
225 XMapWindow (Xdisplay, menuBar.win);
226#endif
227#ifdef TRANSPARENT
228 if (Options & Opt_transparent)
229 {
230 XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
231 rxvt_check_our_parents (this);
232 }
233#endif
234 XMapWindow (Xdisplay, TermWin.vt);
235 XMapWindow (Xdisplay, TermWin.parent[0]);
236
237 rxvt_init_env (this);
238 rxvt_init_command (this, cmd_argv);
239
240 x_ev.start (Xfd, EVENT_READ);
241 pty_ev.start (cmd_fd, EVENT_READ);
242
243 check_ev.start ();
244
245 process_x_events ();
246
247 return true;
248}
249
250/* ------------------------------------------------------------------------- *
251 * SIGNAL HANDLING & EXIT HANDLER *
252 * ------------------------------------------------------------------------- */
253/*
254 * Catch a SIGCHLD signal and exit if the direct child has died
255 */
256/* ARGSUSED */
257/* EXTPROTO */
258RETSIGTYPE
259rxvt_Child_signal(int sig __attribute__ ((unused)))
260{
261 int pid, save_errno = errno;
262 while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
263 ;
264 errno = save_errno;
265
266#if 0
267 if (pid == R->cmd_pid)
268 exit (EXIT_SUCCESS);
269#endif
270}
271
272/*
273 * Catch a fatal signal and tidy up before quitting
274 */
275/* EXTPROTO */
276RETSIGTYPE
277rxvt_Exit_signal(int sig)
278{
279 signal(sig, SIG_DFL);
280#ifdef DEBUG_CMD
281 rxvt_print_error("signal %d", sig);
282#endif
283 rxvt_clean_exit();
284 kill(getpid(), sig);
285}
286
287/* ARGSUSED */
288/* INTPROTO */
289int
290rxvt_xerror_handler(const Display * display
291 __attribute__ ((unused)), const XErrorEvent * event)
292{
293 dR;
294
295 if (R->allowedxerror == -1)
296 R->allowedxerror = event->error_code;
297 else
298 {
299 rxvt_print_error("XError: Request: %d . %d, Error: %d",
300 event->request_code, event->minor_code,
301 event->error_code);
302
303 R->destroy ();
304 }
305
306 return 0;
307} 362}
308 363
309/*----------------------------------------------------------------------*/ 364/*----------------------------------------------------------------------*/
310/* 365/*
311 * Exit gracefully, clearing the utmp entry and restoring tty attributes 366 * Exit gracefully, clearing the utmp entry and restoring tty attributes
312 * TODO: if debugging, this should free up any known resources if we can 367 * TODO: if debugging, this should free up any known resources if we can
313 */ 368 */
314/* EXTPROTO */ 369static XErrorHandler old_xerror_handler;
315void
316rxvt_clean_exit ()
317{
318 dR;
319 370
320 R->destroy (); 371static void
321} 372rxvt_emergency_cleanup ()
322
323/* ------------------------------------------------------------------------- *
324 * MEMORY ALLOCATION WRAPPERS *
325 * ------------------------------------------------------------------------- */
326/* EXTPROTO */
327void *
328rxvt_malloc(size_t size)
329{ 373{
330 void *p; 374 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
331 375 (*t)->emergency_cleanup ();
332 p = malloc(size);
333 if (p)
334 return p;
335
336 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
337 rxvt_clean_exit();
338 exit(EXIT_FAILURE);
339/* NOTREACHED */
340} 376}
341 377
342/* EXTPROTO */ 378#if !ENABLE_MINIMAL
343void * 379static void
344rxvt_calloc(size_t number, size_t size) 380print_x_error (Display *dpy, XErrorEvent *event)
345{ 381{
346 void *p; 382 char buffer[BUFSIZ];
347 383 char mesg[BUFSIZ];
348 p = calloc(number, size); 384 char number[32];
349 if (p) 385 char *mtype = "XlibMessage";
350 return p; 386 XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
351 387 XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
352 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting"); 388 rxvt_warn ("An X Error occurred, trying to continue after report.\n");
353 rxvt_clean_exit(); 389 rxvt_warn ("%s: %s\n", mesg, buffer);
354 exit(EXIT_FAILURE); 390 XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
355/* NOTREACHED */ 391 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
356} 392 sprintf(number, "%d", event->request_code);
357 393 XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
358/* EXTPROTO */ 394 rxvt_warn ("(which is %s)\n", buffer);
359void * 395 if (event->request_code >= 128) {
360rxvt_realloc(void *ptr, size_t size) 396 XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
361{ 397 mesg, BUFSIZ);
362 void *p; 398 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
363
364 if (ptr)
365 p = realloc(ptr, size);
366 else
367 p = malloc(size);
368 if (p)
369 return p;
370
371 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
372 rxvt_clean_exit();
373 exit(EXIT_FAILURE);
374/* NOTREACHED */
375}
376
377/* ------------------------------------------------------------------------- *
378 * PRIVILEGED OPERATIONS *
379 * ------------------------------------------------------------------------- */
380/* take care of suid/sgid super-user (root) privileges */
381/* INTPROTO */
382void
383rxvt_privileges(pR_ int mode)
384{
385#if ! defined(__CYGWIN32__)
386# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
387/* setreuid() is the poor man's setuid(), seteuid() */
388# define seteuid(a) setreuid(-1, (a))
389# define setegid(a) setregid(-1, (a))
390# define HAVE_SETEUID
391# endif
392# ifdef HAVE_SETEUID
393 switch (mode) {
394 case IGNORE:
395 /*
396 * change effective uid/gid - not real uid/gid - so we can switch
397 * back to root later, as required
398 */
399 seteuid(getuid());
400 setegid(getgid());
401 break;
402 case SAVE:
403 R->euid = geteuid();
404 R->egid = getegid();
405 break;
406 case RESTORE:
407 seteuid(R->euid);
408 setegid(R->egid);
409 break;
410 } 399 }
411# else 400 if ((event->error_code == BadWindow) ||
412 switch (mode) { 401 (event->error_code == BadPixmap) ||
413 case IGNORE: 402 (event->error_code == BadCursor) ||
414 setuid(getuid()); 403 (event->error_code == BadFont) ||
415 setgid(getgid()); 404 (event->error_code == BadDrawable) ||
416 /* FALLTHROUGH */ 405 (event->error_code == BadColor) ||
417 case SAVE: 406 (event->error_code == BadGC) ||
418 /* FALLTHROUGH */ 407 (event->error_code == BadIDChoice) ||
419 case RESTORE: 408 (event->error_code == BadValue) ||
420 break; 409 (event->error_code == BadAtom)) {
421 } 410 if (event->error_code == BadValue)
422# endif 411 XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
423#endif 412 mesg, BUFSIZ);
424} 413 else if (event->error_code == BadAtom)
425 414 XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
426#ifdef UTMP_SUPPORT 415 mesg, BUFSIZ);
427/* EXTPROTO */
428void
429rxvt_privileged_utmp(pR_ char action)
430{
431 D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
432 action, R->next_utmp_action, getpid()));
433 if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
434 || (R->Options & Opt_utmpInhibit)
435 || R->ttydev == NULL || *R->ttydev == '\0')
436 return;
437
438 rxvt_privileges(aR_ RESTORE);
439 if (action == SAVE) {
440 R->next_utmp_action = RESTORE;
441 rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
442 } else { /* action == RESTORE */
443 R->next_utmp_action = IGNORE;
444 rxvt_cleanutent(aR);
445 }
446 rxvt_privileges(aR_ IGNORE);
447}
448#endif
449
450#ifndef NO_SETOWNER_TTYDEV
451/* EXTPROTO */
452void
453rxvt_privileged_ttydev(pR_ char action)
454{
455 D_MAIN((stderr,
456 "rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
457 action, R->next_tty_action, getpid()));
458 if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
459 || R->ttydev == NULL || *R->ttydev == '\0')
460 return;
461
462 rxvt_privileges(aR_ RESTORE);
463
464 if (action == SAVE) {
465 R->next_tty_action = RESTORE;
466# ifndef RESET_TTY_TO_COMMON_DEFAULTS
467/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
468 if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
469 R->next_tty_action = IGNORE;
470 else 416 else
417 XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
418 mesg, BUFSIZ);
419 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
420 }
421 XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
422 mesg, BUFSIZ);
423 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
424}
471# endif 425#endif
472 { 426
473 chown(R->ttydev, getuid(), R->ttygid); /* fail silently */ 427int
474 chmod(R->ttydev, R->ttymode); 428rxvt_xerror_handler (Display *display, XErrorEvent *event)
475# ifdef HAVE_REVOKE 429{
476 revoke(R->ttydev); 430 if (GET_R->allowedxerror == -1)
431 GET_R->allowedxerror = event->error_code;
432 else
433 {
434 // GET_R is most likely not the terminal which caused the error,
435 // so just output the error and continue
436#if ENABLE_MINIMAL
437 old_xerror_handler (display, event);
438#else
439 print_x_error (display, event);
477# endif 440#endif
478 } 441 }
479 } else { /* action == RESTORE */ 442
480 R->next_tty_action = IGNORE; 443 return 0;
481# ifndef RESET_TTY_TO_COMMON_DEFAULTS 444}
482 chmod(R->ttydev, R->ttyfd_stat.st_mode); 445
483 chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid); 446int
484# else 447rxvt_xioerror_handler (Display *display)
485 chmod(R->ttydev, 448{
486 (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)); 449 rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
487 chown(R->ttydev, 0, 0); 450 DisplayString (display));
488# endif 451 rxvt_emergency_cleanup ();
452 _exit (EXIT_FAILURE);
453}
454
455static struct sig_handlers
456{
457 ev::sig sw_term, sw_int;
458
459 /*
460 * Catch a fatal signal and tidy up before quitting
461 */
462 void sig_term (ev::sig &w, int revents);
463
464 sig_handlers ()
465 {
466 sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
467 sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
489 } 468 }
469} sig_handlers;
490 470
491 rxvt_privileges(aR_ IGNORE); 471void
492 472sig_handlers::sig_term (ev::sig &w, int revents)
493# ifndef RESET_TTY_TO_COMMON_DEFAULTS 473{
494 D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d", 474 rxvt_emergency_cleanup ();
495 action == RESTORE ? "Restoring" : (action == 475 w.stop ();
496 SAVE ? "Saving" : 476 kill (getpid (), w.signum);
497 "UNKNOWN ERROR for"), R->ttydev,
498 R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
499 R->ttyfd_stat.st_gid));
500# endif
501} 477}
502#endif 478
479char **rxvt_environ; // startup environment
480
481void
482rxvt_init ()
483{
484 assert (("fontMask must not overlap other RS masks",
485 0 == (RS_fontMask & (RS_Sel | RS_baseattrMask | RS_customMask | RS_bgMask | RS_fgMask))));
486
487 // get rid of stdin/stdout as we don't need them, to free resources
488 dup2 (STDERR_FILENO, STDIN_FILENO);
489 dup2 (STDERR_FILENO, STDOUT_FILENO);
490
491 ptytty::init ();
492
493 if (!ev_default_loop (0))
494 rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
495
496 rxvt_environ = environ;
497
498 signal (SIGHUP, SIG_IGN);
499 signal (SIGPIPE, SIG_IGN);
500
501 sig_handlers.sw_term.start (SIGTERM); ev_unref ();
502 sig_handlers.sw_int.start (SIGINT); ev_unref ();
503
504 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
505 // TODO: handle this with exceptions and tolerate the memory loss
506 XSetIOErrorHandler (rxvt_xioerror_handler);
507
508 XrmInitialize ();
509}
503 510
504/*----------------------------------------------------------------------*/ 511/*----------------------------------------------------------------------*/
505/* 512/*
506 * window size/position calculcations for XSizeHint and other storage. 513 * window size/position calculations for XSizeHint and other storage.
507 * if width/height are non-zero then override calculated width/height 514 * if width/height are non-zero then override calculated width/height
508 */ 515 */
509/* EXTPROTO */
510void 516void
511rxvt_window_calc(pR_ unsigned int width, unsigned int height) 517rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
512{ 518{
513 short recalc_x, recalc_y; 519 short recalc_x, recalc_y;
514 int x, y, sb_w, mb_h, flags; 520 int x, y, flags;
515 unsigned int w, h; 521 unsigned int w, h;
516 unsigned int max_width, max_height; 522 unsigned int max_width, max_height;
517 523
518 D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
519 R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
520 R->szHint.height));
521 R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; 524 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
522 R->szHint.win_gravity = NorthWestGravity; 525 szHint.win_gravity = NorthWestGravity;
523/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */ 526 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
524 527
525 recalc_x = recalc_y = 0; 528 recalc_x = recalc_y = 0;
526 flags = 0; 529 flags = 0;
530
527 if (!R->parsed_geometry) { 531 if (!parsed_geometry)
532 {
528 R->parsed_geometry = 1; 533 parsed_geometry = 1;
534
529 if (R->rs[Rs_geometry]) 535 if (rs[Rs_geometry])
530 flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h); 536 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
537
531 if (flags & WidthValue) { 538 if (flags & WidthValue)
532 R->TermWin.ncol = BOUND_POSITIVE_INT16(w); 539 {
540 if (!w)
541 rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
542
543 ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
533 R->szHint.flags |= USSize; 544 szHint.flags |= USSize;
534 } 545 }
546
535 if (flags & HeightValue) { 547 if (flags & HeightValue)
536 R->TermWin.nrow = BOUND_POSITIVE_INT16(h); 548 {
549 if (!h)
550 rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
551
552 nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
537 R->szHint.flags |= USSize; 553 szHint.flags |= USSize;
538 } 554 }
555
539 if (flags & XValue) { 556 if (flags & XValue)
557 {
540 R->szHint.x = x; 558 szHint.x = x;
541 R->szHint.flags |= USPosition; 559 szHint.flags |= USPosition;
560
542 if (flags & XNegative) { 561 if (flags & XNegative)
562 {
543 recalc_x = 1; 563 recalc_x = 1;
544 R->szHint.win_gravity = NorthEastGravity; 564 szHint.win_gravity = NorthEastGravity;
545 } 565 }
546 } 566 }
567
547 if (flags & YValue) { 568 if (flags & YValue)
569 {
548 R->szHint.y = y; 570 szHint.y = y;
549 R->szHint.flags |= USPosition; 571 szHint.flags |= USPosition;
572
550 if (flags & YNegative) { 573 if (flags & YNegative)
574 {
551 recalc_y = 1; 575 recalc_y = 1;
576
552 if (R->szHint.win_gravity == NorthEastGravity) 577 if (szHint.win_gravity == NorthEastGravity)
553 R->szHint.win_gravity = SouthEastGravity; 578 szHint.win_gravity = SouthEastGravity;
554 else 579 else
555 R->szHint.win_gravity = SouthWestGravity; 580 szHint.win_gravity = SouthWestGravity;
556 } 581 }
557 } 582 }
558 } 583 }
584
559/* TODO: BOUNDS */ 585 /* TODO: BOUNDS */
560 R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth; 586 width = ncol * fwidth;
561 R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight; 587 height = nrow * fheight;
562 max_width = MAX_COLS * R->TermWin.fwidth; 588 max_width = MAX_COLS * fwidth;
563 max_height = MAX_ROWS * R->TermWin.fheight; 589 max_height = MAX_ROWS * fheight;
564 590
565 R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth; 591 szHint.base_width = szHint.base_height = 2 * int_bwidth;
566 592
567 sb_w = mb_h = 0;
568 R->window_vt_x = R->window_vt_y = 0; 593 window_vt_x = window_vt_y = int_bwidth;
569 if (scrollbar_visible(R)) { 594
595 if (scrollBar.state)
596 {
570 sb_w = scrollbar_TotalWidth(); 597 int sb_w = scrollBar.total_width ();
571 R->szHint.base_width += sb_w; 598 szHint.base_width += sb_w;
599
572 if (!(R->Options & Opt_scrollBar_right)) 600 if (!option (Opt_scrollBar_right))
573 R->window_vt_x = sb_w; 601 window_vt_x += sb_w;
574 } 602 }
575 if (menubar_visible(R)) { 603
576 mb_h = menuBar_TotalHeight();
577 R->szHint.base_height += mb_h;
578 R->window_vt_y = mb_h;
579 }
580 R->szHint.width_inc = R->TermWin.fwidth; 604 szHint.width_inc = fwidth;
581 R->szHint.height_inc = R->TermWin.fheight; 605 szHint.height_inc = fheight;
582 R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc; 606 szHint.min_width = szHint.base_width + szHint.width_inc;
583 R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc; 607 szHint.min_height = szHint.base_height + szHint.height_inc;
584 608
585 if (width && width - R->szHint.base_width < max_width) { 609 if (newwidth && newwidth - szHint.base_width < max_width)
610 {
586 R->szHint.width = width; 611 szHint.width = newwidth;
587 R->TermWin.width = width - R->szHint.base_width; 612 width = newwidth - szHint.base_width;
588 } else { 613 }
589 MIN_IT(R->TermWin.width, max_width); 614 else
615 {
616 min_it (width, max_width);
590 R->szHint.width = R->szHint.base_width + R->TermWin.width; 617 szHint.width = szHint.base_width + width;
591 } 618 }
619
592 if (height && height - R->szHint.base_height < max_height) { 620 if (newheight && newheight - szHint.base_height < max_height)
621 {
593 R->szHint.height = height; 622 szHint.height = newheight;
594 R->TermWin.height = height - R->szHint.base_height; 623 height = newheight - szHint.base_height;
595 } else { 624 }
596 MIN_IT(R->TermWin.height, max_height); 625 else
626 {
627 min_it (height, max_height);
597 R->szHint.height = R->szHint.base_height + R->TermWin.height; 628 szHint.height = szHint.base_height + height;
598 } 629 }
599 if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
600 R->window_sb_x = R->szHint.width - sb_w;
601 630
602 if (recalc_x) 631 if (recalc_x)
603 R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen) 632 szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
604 - R->szHint.width - 2 * R->TermWin.ext_bwidth); 633
605 if (recalc_y) 634 if (recalc_y)
606 R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen) 635 szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
607 - R->szHint.height - 2 * R->TermWin.ext_bwidth);
608 636
609 R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth; 637 ncol = width / fwidth;
610 R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight; 638 nrow = height / fheight;
611 D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
612 R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
613 R->szHint.height));
614 return;
615} 639}
616 640
617/*----------------------------------------------------------------------*/ 641/*----------------------------------------------------------------------*/
618/* 642/*
619 * Tell the teletype handler what size the window is. 643 * Tell the teletype handler what size the window is.
620 * Called after a window size change. 644 * Called after a window size change.
621 */ 645 */
622void 646void
623rxvt_term::tt_winch () 647rxvt_term::tt_winch ()
624{ 648{
625 struct winsize ws; 649 if (pty->pty < 0)
626
627 if (cmd_fd < 0)
628 return; 650 return;
629 651
652 struct winsize ws;
653
630 ws.ws_col = TermWin.ncol; 654 ws.ws_col = ncol;
631 ws.ws_row = TermWin.nrow; 655 ws.ws_row = nrow;
632 ws.ws_xpixel = ws.ws_ypixel = 0; 656 ws.ws_xpixel = width;
633#ifndef DEBUG_SIZE 657 ws.ws_ypixel = height;
634 (void)ioctl (cmd_fd, TIOCSWINSZ, &ws); 658 ioctl (pty->pty, TIOCSWINSZ, &ws);
635#else 659
636 if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0) 660#if 0
637 D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd)); 661 // TIOCSWINSZ is supposed to do this automatically and correctly
638# ifdef SIGWINCH
639 else if (cmd_pid) /* force through to the command */ 662 if (cmd_pid) /* force through to the command */
640 kill (cmd_pid, SIGWINCH); 663 kill (-cmd_pid, SIGWINCH);
641# endif
642#endif 664#endif
643} 665}
644 666
645/*----------------------------------------------------------------------*/ 667/*----------------------------------------------------------------------*/
646/* rxvt_change_font() - Switch to a new font */ 668/* set_fonts () - load and set the various fonts
647/* 669 *
648 * init = 1 - initialize 670 * init = 1 - initialize
649 * 671 *
650 * fontname == FONT_UP - switch to bigger font 672 * fontname == FONT_UP - switch to bigger font
651 * fontname == FONT_DN - switch to smaller font 673 * fontname == FONT_DN - switch to smaller font
652 */ 674 */
653/* EXTPROTO */ 675bool
654void 676rxvt_term::set_fonts ()
655rxvt_change_font(pR_ int init, const char *fontname)
656{ 677{
657} 678 rxvt_fontset *fs = new rxvt_fontset (this);
679 rxvt_fontprop prop;
658 680
659/* INTPROTO */ 681 if (!fs
682 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
683 || !fs->realize_font (1))
684 {
685 delete fs;
686 return false;
687 }
688
689#if ENABLE_STYLES
690 for (int i = RS_styleCount; --i; )
691 if (fontset[i] != fontset[0])
692 delete fontset[i];
693#endif
694
695 delete fontset[0];
696 fontset[0] = fs;
697
698 prop = (*fs)[rxvt_fontset::firstFont]->properties ();
699 prop.height += lineSpace;
700 prop.width += letterSpace;
701
702 fs->set_prop (prop, false);
703
704 fwidth = prop.width;
705 fheight = prop.height;
706 fbase = prop.ascent;
707
708 for (int style = 1; style < 4; style++)
709 {
710#if ENABLE_STYLES
711 const char *res = rs[Rs_font + style];
712
713 if (res && !*res)
714 fontset[style] = fontset[0];
715 else
716 {
717 fontset[style] = fs = new rxvt_fontset (this);
718 rxvt_fontprop prop2 = prop;
719
720 if (res)
721 {
722 fs->populate (res);
723 fs->set_prop (prop2, false);
724 }
725 else
726 {
727 fs->populate (fontset[0]->fontdesc);
728
729 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
730 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
731
732 fs->set_prop (prop2, true);
733 }
734
735 }
736#else
737 fontset[style] = fontset[0];
738#endif
739 }
740
741 if (parent[0])
742 {
743 resize_all_windows (0, 0, 0);
744 scr_remap_chars ();
745 scr_touch (true);
746 }
747
748 return true;
749}
750
660void 751void
661rxvt_font_up_down(pR_ int n, int direction) 752rxvt_term::set_string_property (Atom prop, const char *str, int len)
662{ 753{
754 XChangeProperty (dpy, parent[0],
755 prop, XA_STRING, 8, PropModeReplace,
756 (const unsigned char *)str, len >= 0 ? len : strlen (str));
757}
758
759void
760rxvt_term::set_mbstring_property (Atom prop, const char *str, int len)
761{
762 XTextProperty ct;
763
764 if (XmbTextListToTextProperty (dpy, (char **)&str, 1, XStdICCTextStyle, &ct) >= 0)
765 {
766 XSetTextProperty (dpy, parent[0], &ct, prop);
767 XFree (ct.value);
768 }
769}
770
771void
772rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
773{
774 wchar_t *ws = rxvt_mbstowcs (str, len);
775 char *s = rxvt_wcstoutf8 (ws);
776
777 XChangeProperty (dpy, parent[0],
778 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
779 (const unsigned char *)s, strlen (s));
780
781 free (s);
782 free (ws);
663} 783}
664 784
665/*----------------------------------------------------------------------*/ 785/*----------------------------------------------------------------------*/
666/*----------------------------------------------------------------------*/ 786/*----------------------------------------------------------------------*/
667/* xterm sequences - title, iconName, color (exptl) */ 787/* xterm sequences - title, iconName, color (exptl) */
668/* EXTPROTO */
669void 788void
670rxvt_set_title(pR_ const char *str) 789rxvt_term::set_title (const char *str)
671{ 790{
672#ifndef SMART_WINDOW_TITLE 791 set_mbstring_property (XA_WM_NAME, str);
673 XStoreName(R->Xdisplay, R->TermWin.parent[0], str); 792#if ENABLE_EWMH
674#else 793 set_utf8_property (xa[XA_NET_WM_NAME], str);
675 char *name;
676
677 if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
678 name = NULL;
679 if (name == NULL || STRCMP(name, str))
680 XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
681 if (name)
682 XFree(name);
683#endif 794#endif
684} 795}
685 796
686/* EXTPROTO */
687void 797void
688rxvt_set_iconName(pR_ const char *str) 798rxvt_term::set_icon_name (const char *str)
689{ 799{
690#ifndef SMART_WINDOW_TITLE 800 set_mbstring_property (XA_WM_ICON_NAME, str);
691 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str); 801#if ENABLE_EWMH
692#else 802 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
693 char *name;
694
695 if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
696 name = NULL;
697 if (name == NULL || STRCMP(name, str))
698 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
699 if (name)
700 XFree(name);
701#endif 803#endif
702} 804}
703 805
806void
807rxvt_term::set_window_color (int idx, const char *color)
808{
704#ifdef XTERM_COLOR_CHANGE 809#ifdef XTERM_COLOR_CHANGE
705/* EXTPROTO */
706void
707rxvt_set_window_color(pR_ int idx, const char *color)
708{
709 rxvt_color xcol; 810 rxvt_color xcol;
710 int i;
711 811
712 if (color == NULL || *color == '\0') 812 if (color == NULL || *color == '\0')
713 return; 813 return;
714 814
815 color = strdup (color);
816 allocated.push_back ((void *)color);
817 rs[Rs_color + idx] = color;
818
715/* handle color aliases */ 819 /* handle color aliases */
716 if (isdigit(*color)) { 820 if (isdigit (*color))
821 {
717 i = atoi(color); 822 int i = atoi (color);
718 if (i >= 8 && i <= 15) { /* bright colors */ 823
719 i -= 8; 824 if (i >= 8 && i <= 15)
720# ifndef NO_BRIGHTCOLOR 825 {
721 R->PixColors[idx] = R->PixColors[minBrightCOLOR + i]; 826 /* bright colors */
722 SET_PIXCOLOR(R, idx); 827 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
723 goto Done; 828 goto done;
724# endif
725 } 829 }
726 if (i >= 0 && i <= 7) { /* normal colors */ 830
727 R->PixColors[idx] = R->PixColors[minCOLOR + i]; 831 if (i >= 0 && i <= 7)
728 SET_PIXCOLOR(R, idx); 832 {
833 /* normal colors */
834 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
729 goto Done; 835 goto done;
730 } 836 }
731 } 837 }
732 if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
733 return;
734/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
735 838
736/* 839 set_color (xcol, color);
840
841 /*
737 * FIXME: should free colors here, but no idea how to do it so instead, 842 * FIXME: should free colors here, but no idea how to do it so instead,
738 * so just keep gobbling up the colormap 843 * so just keep gobbling up the colormap
739 */ 844 */
740# if 0
741 for (i = Color_Black; i <= Color_White; i++)
742 if (R->PixColors[idx] == R->PixColors[i])
743 break;
744 if (i > Color_White) {
745 /* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
746 XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
747 DisplayPlanes(R->Xdisplay, Xscreen));
748 }
749# endif
750 845
751 R->PixColors[idx] = xcol; 846 pix_colors_focused[idx] = xcol;
752 SET_PIXCOLOR(R, idx);
753 847
754/* XSetWindowAttributes attr; */ 848done:
755/* Cursor cursor; */
756 Done:
757 if (idx == Color_bg && !(R->Options & Opt_transparent))
758 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
759 R->PixColors[Color_bg]);
760
761/* handle Color_BD, scrollbar background, etc. */ 849 /*TODO: handle Color_BD, scrollbar background, etc. */
762 850
763 rxvt_set_colorfgbg(aR); 851 update_fade_color (idx);
764 rxvt_recolour_cursor(aR); 852 recolour_cursor ();
765/* the only reasonable way to enforce a clean update */ 853 scr_recolour ();
766 rxvt_scr_poweron(aR); 854#endif /* XTERM_COLOR_CHANGE */
767} 855}
768 856
769#else
770# define rxvt_set_window_color(aR_ idx,color) ((void)0)
771#endif /* XTERM_COLOR_CHANGE */
772
773/* EXTPROTO */
774void 857void
775rxvt_recolour_cursor(pR) 858rxvt_term::recolour_cursor ()
776{ 859{
777 rxvt_color xcol[2]; 860 XColor fg, bg;
778 861
779#if TODO 862 (ISSET_PIXCOLOR (Color_pointer_fg)
780 xcol[0] = R->PixColors[Color_pointer]; 863 ? pix_colors_focused[Color_pointer_fg]
781 xcol[1] = R->PixColors[Color_bg]; 864 : pix_colors_focused[Color_fg]).get (fg);
782 XQueryColors(R->Xdisplay, XCMAP, xcol, 2); 865
783 XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1])); 866 (ISSET_PIXCOLOR (Color_pointer_bg)
784#endif 867 ? pix_colors_focused[Color_pointer_bg]
868 : pix_colors_focused[Color_bg]).get (bg);
869
870 XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
785} 871}
786 872
787/*----------------------------------------------------------------------*/ 873/*----------------------------------------------------------------------*/
788/* 874/*
789 * find if fg/bg matches any of the normal (low-intensity) colors 875 * find if fg/bg matches any of the normal (low-intensity) colors
790 */ 876 */
791/* INTPROTO */
792void 877void
793rxvt_set_colorfgbg(pR) 878rxvt_term::set_colorfgbg ()
794{ 879{
795 unsigned int i; 880 unsigned int i;
796 const char *xpmb = "\0"; 881 const char *xpmb = "";
797 char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1]; 882 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
798 883
799 R->env_colorfgbg = 884 strcpy (fstr, "default");
800 (char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1); 885 strcpy (bstr, "default");
801 STRCPY(fstr, "default");
802 STRCPY(bstr, "default");
803 for (i = Color_Black; i <= Color_White; i++) 886 for (i = Color_Black; i <= Color_White; i++)
804 if (R->PixColors[Color_fg] == R->PixColors[i]) { 887 if (pix_colors[Color_fg] == pix_colors[i])
888 {
805 sprintf(fstr, "%d", (i - Color_Black)); 889 sprintf (fstr, "%d", (i - Color_Black));
806 break; 890 break;
807 } 891 }
892
808 for (i = Color_Black; i <= Color_White; i++) 893 for (i = Color_Black; i <= Color_White; i++)
809 if (R->PixColors[Color_bg] == R->PixColors[i]) { 894 if (pix_colors[Color_bg] == pix_colors[i])
895 {
810 sprintf(bstr, "%d", (i - Color_Black)); 896 sprintf (bstr, "%d", (i - Color_Black));
811#ifdef XPM_BACKGROUND 897#ifdef BG_IMAGE_FROM_FILE
812 xpmb = "default;"; 898 xpmb = "default;";
813#endif 899#endif
814 break; 900 break;
815 } 901 }
902
816 sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); 903 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
817 putenv(R->env_colorfgbg);
818
819#ifndef NO_BRIGHTCOLOR
820 R->colorfgbg = DEFAULT_RSTYLE;
821 for (i = minCOLOR; i <= maxCOLOR; i++) {
822 if (R->PixColors[Color_fg] == R->PixColors[i])
823 R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
824 if (R->PixColors[Color_bg] == R->PixColors[i])
825 R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
826 }
827#endif
828} 904}
829 905
830/*----------------------------------------------------------------------*/ 906/*----------------------------------------------------------------------*/
831/*
832 * Colour determination for low colour displays, routine from
833 * Hans de Goede <hans@highrise.nl>
834 */
835 907
836/* EXTPROTO */ 908bool
837int 909rxvt_term::set_color (rxvt_color &color, const char *name)
838rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
839{ 910{
840 screen_in_out->set(aR_ colour); 911 if (color.set (this, name))
841
842 if (!screen_in_out->set(aR_ colour)) {
843 rxvt_print_error("can't allocate colour: %s", colour);
844 return false;
845 }
846
847 return true; 912 return true;
913
914 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
915 return false;
916}
917
918void
919rxvt_term::alias_color (int dst, int src)
920{
921 pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
848} 922}
849 923
850/* -------------------------------------------------------------------- * 924/* -------------------------------------------------------------------- *
851 * - WINDOW RESIZING - * 925 * - WINDOW RESIZING - *
852 * -------------------------------------------------------------------- */ 926 * -------------------------------------------------------------------- */
853/* EXTPROTO */
854void 927void
855rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height, 928rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
856 int ignoreparent)
857{ 929{
858 int fix_screen; 930 int fix_screen;
931 int old_width = szHint.width;
932 int old_height = szHint.height;
859 933
934 window_calc (newwidth, newheight);
935
936 bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
937
938 // to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
939 if (set_hint)
940 {
941 szHint.flags &= ~(PBaseSize | PResizeInc);
942 XSetWMNormalHints (dpy, parent[0], &szHint);
943 szHint.flags |= PBaseSize | PResizeInc;
944 }
945
946 if (!ignoreparent)
947 {
860#ifdef SMART_RESIZE 948#ifdef SMART_RESIZE
861 int old_width = R->szHint.width, old_height = R->szHint.height; 949 /*
862#endif
863
864 rxvt_window_calc(aR_ width, height);
865 XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
866 if (!ignoreparent) {
867#ifdef SMART_RESIZE
868/*
869 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> 950 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
870 * reposition window on resize depending on placement on screen 951 * reposition window on resize depending on placement on screen
871 */ 952 */
872 int x, y, x1, y1; 953 int x, y, x1, y1;
873 int dx, dy; 954 int dx, dy;
874 unsigned int unused_w1, unused_h1, unused_b1, unused_d1; 955 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
875 Window unused_cr; 956 Window unused_cr;
876 957
877 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot, 958 XTranslateCoordinates (dpy, parent[0], display->root,
878 0, 0, &x, &y, &unused_cr); 959 0, 0, &x, &y, &unused_cr);
879 XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1, 960 XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
880 &unused_w1, &unused_h1, &unused_b1, &unused_d1); 961 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
881 /* 962 /*
882 * if Xroot isn't the parent window, a WM will probably have offset 963 * if display->root isn't the parent window, a WM will probably have offset
883 * our position for handles and decorations. Counter it 964 * our position for handles and decorations. Counter it
884 */ 965 */
885 if (x1 != x || y1 != y) { 966 if (x1 != x || y1 != y)
967 {
886 x -= x1; 968 x -= x1;
887 y -= y1; 969 y -= y1;
888 } 970 }
889 971
890 x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2; 972 x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
891 y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2; 973 y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
892 dx = old_width - R->szHint.width; 974 dx = old_width - szHint.width;
893 dy = old_height - R->szHint.height; 975 dy = old_height - szHint.height;
894 976
895 /* Check position of the center of the window */ 977 /* Check position of the center of the window */
896 if (x < x1) /* left half */ 978 if (x < x1) /* left half */
897 dx = 0; 979 dx = 0;
898 else if (x == x1) /* exact center */ 980 else if (x == x1) /* exact center */
899 dx /= 2; 981 dx /= 2;
900 if (y < y1) /* top half */ 982 if (y < y1) /* top half */
901 dy = 0; 983 dy = 0;
902 else if (y == y1) /* exact center */ 984 else if (y == y1) /* exact center */
903 dy /= 2; 985 dy /= 2;
904 986
905 XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy, 987 XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
906 R->szHint.width, R->szHint.height); 988 szHint.width, szHint.height);
907#else 989#else
908 XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width, 990 XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
909 R->szHint.height);
910#endif 991#endif
911 } 992 }
912 993
913 fix_screen = (R->TermWin.ncol != R->prev_ncol 994 if (set_hint)
914 || R->TermWin.nrow != R->prev_nrow); 995 XSetWMNormalHints (dpy, parent[0], &szHint);
996
997 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
998
915 if (fix_screen || width != R->old_width || height != R->old_height) { 999 if (fix_screen || newwidth != old_width || newheight != old_height)
916 if (scrollbar_visible(R)) {
917 XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
918 0, scrollbar_TotalWidth(), R->szHint.height);
919 rxvt_Resize_scrollBar(aR);
920 }
921 if (menubar_visible(R))
922 XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
923 0, TermWin_TotalWidth(), menuBar_TotalHeight());
924 XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
925 R->window_vt_y, TermWin_TotalWidth(),
926 TermWin_TotalHeight());
927#ifdef RXVT_GRAPHICS
928 if (R->old_height)
929 rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
930 R->old_height - R->szHint.base_height);
931#endif
932 rxvt_scr_clear(aR);
933#ifdef XPM_BACKGROUND
934 rxvt_resize_pixmap(aR);
935#endif
936 } 1000 {
1001 if (scrollBar.state)
1002 scrollBar.resize ();
937 1003
1004 XMoveResizeWindow (dpy, vt,
1005 window_vt_x, window_vt_y,
1006 width, height);
1007
1008#ifdef HAVE_BG_PIXMAP
1009 if (bgPixmap.window_size_sensitive ())
1010 update_background ();
1011#endif
1012 }
1013
938 if (fix_screen || R->old_height == 0) { 1014 if (fix_screen || old_height == 0)
939 int curr_screen = -1;
940 uint16_t old_ncol = R->prev_ncol;
941
942 /* scr_reset only works on the primary screen */
943 if (R->old_height) /* this is not the first time through */
944 curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
945
946 R->scr_reset(); 1015 scr_reset ();
947 1016
948 if (curr_screen >= 0) { /* this is not the first time through */ 1017#ifdef HAVE_BG_PIXMAP
949 rxvt_scr_change_screen(aR_ curr_screen); 1018// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
950 rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0)); 1019// if (bgPixmap.pixmap)
951 } 1020// scr_touch (false);
952 } 1021#endif
953
954 R->old_width = R->szHint.width;
955 R->old_height = R->szHint.height;
956 1022
957#ifdef USE_XIM 1023#ifdef USE_XIM
958 rxvt_IMSetStatusPosition(aR); 1024 IMSetPosition ();
959#endif 1025#endif
960} 1026}
961 1027
962/* 1028/*
963 * Set the width/height of the vt window in characters. Units are pixels. 1029 * Set the width/height of the vt window in characters. Units are pixels.
964 * good for toggling 80/132 columns 1030 * good for toggling 80/132 columns
965 */ 1031 */
966/* EXTPROTO */
967void 1032void
968rxvt_set_widthheight(pR_ unsigned int width, unsigned int height) 1033rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
969{ 1034{
970 XWindowAttributes wattr; 1035 XWindowAttributes wattr;
971 1036
972 if (width == 0 || height == 0) { 1037 if (newwidth == 0 || newheight == 0)
1038 {
973 XGetWindowAttributes(R->Xdisplay, Xroot, &wattr); 1039 XGetWindowAttributes (dpy, display->root, &wattr);
1040
974 if (width == 0) 1041 if (newwidth == 0)
975 width = wattr.width - R->szHint.base_width; 1042 newwidth = wattr.width - szHint.base_width;
976 if (height == 0) 1043 if (newheight == 0)
977 height = wattr.height - R->szHint.base_height; 1044 newheight = wattr.height - szHint.base_height;
1045 }
1046
1047 if (newwidth != width || newheight != height)
978 } 1048 {
979 if (width != R->TermWin.width || height != R->TermWin.height) {
980 width += R->szHint.base_width; 1049 newwidth += szHint.base_width;
981 height += R->szHint.base_height; 1050 newheight += szHint.base_height;
982 rxvt_resize_all_windows(aR_ width, height, 0); 1051 resize_all_windows (newwidth, newheight, 0);
983 } 1052 }
984} 1053}
985 1054
986/* -------------------------------------------------------------------- * 1055/* -------------------------------------------------------------------- *
987 * - X INPUT METHOD ROUTINES - * 1056 * - X INPUT METHOD ROUTINES - *
988 * -------------------------------------------------------------------- */ 1057 * -------------------------------------------------------------------- */
989#ifdef USE_XIM 1058#ifdef USE_XIM
990/* INTPROTO */
991void
992rxvt_setSize(pR_ XRectangle * size)
993{
994 size->x = R->TermWin.int_bwidth;
995 size->y = R->TermWin.int_bwidth;
996 size->width = Width2Pixel(R->TermWin.ncol);
997 size->height = Height2Pixel(R->TermWin.nrow);
998}
999 1059
1000/* INTPROTO */
1001void 1060void
1002rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg) 1061rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1003{ 1062{
1004 *fg = R->PixColors[Color_fg]; 1063 fg = pix_colors [Color_fg];
1005 *bg = R->PixColors[Color_bg]; 1064 bg = pix_colors [Color_bg];
1065}
1066
1067void
1068rxvt_term::im_set_size (XRectangle &size)
1069{
1070 // the int_bwidth terms make no sense to me
1071 size.x = int_bwidth;
1072 size.y = int_bwidth;
1073 size.width = Width2Pixel (ncol) + int_bwidth;
1074 size.height = Height2Pixel (nrow) + int_bwidth;
1075}
1076
1077void
1078rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1079 XRectangle &status_rect,
1080 const XRectangle &needed_rect)
1081{
1082 preedit_rect.x = needed_rect.width;
1083 preedit_rect.y = 0;
1084 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1085 preedit_rect.height = fheight;
1086
1087 status_rect.x = 0;
1088 status_rect.y = 0;
1089 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1090 status_rect.height = fheight;
1006} 1091}
1007 1092
1008/* Checking whether input method is running. */ 1093/* Checking whether input method is running. */
1009/* INTPROTO */
1010Bool 1094bool
1011rxvt_IMisRunning(pR) 1095rxvt_term::IMisRunning ()
1012{ 1096{
1013 char *p; 1097 Atom atom;
1014 Atom atom; 1098 Window win;
1015 Window win;
1016 char server[IMBUFSIZ]; 1099 char server[IMBUFSIZ];
1017 1100
1018/* get current locale modifier */ 1101 /* get current locale modifier */
1019 if ((p = XSetLocaleModifiers(NULL)) != NULL) { 1102 if (char *p = XSetLocaleModifiers (0))
1103 {
1020 STRCPY(server, "@server="); 1104 strcpy (server, "@server=");
1021 STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */ 1105 strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
1106
1022 if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */ 1107 if (p = strchr (server + 1, '@')) /* first one only */
1023 *p = '\0'; 1108 *p = '\0';
1024 1109
1025 atom = XInternAtom(R->Xdisplay, server, False); 1110 atom = XInternAtom (dpy, server, False);
1026 win = XGetSelectionOwner(R->Xdisplay, atom); 1111 win = XGetSelectionOwner (dpy, atom);
1112
1027 if (win != None) 1113 if (win != None)
1028 return True; 1114 return True;
1029 } 1115 }
1116
1030 return False; 1117 return False;
1031} 1118}
1032 1119
1033/* EXTPROTO */
1034void 1120void
1035rxvt_IMSendSpot(pR) 1121rxvt_term::IMSendSpot ()
1036{ 1122{
1037 XPoint spot; 1123 XPoint nspot;
1038 XVaNestedList preedit_attr; 1124 XVaNestedList preedit_attr;
1039 1125
1040 if (R->Input_Context == NULL 1126 if (!Input_Context
1041 || !R->TermWin.focus || !(R->input_style & XIMPreeditPosition) 1127 || !focus
1042 || !(R->event_type == KeyPress 1128 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1043 || R->event_type == Expose
1044 || R->event_type == NoExpose
1045 || R->event_type == SelectionNotify
1046 || R->event_type == ButtonRelease || R->event_type == FocusIn)
1047 || !rxvt_IMisRunning(aR))
1048 return; 1129 return;
1049 1130
1050 rxvt_setPosition(aR_ & spot); 1131 im_set_position (nspot);
1051 1132
1133 if (nspot.x == spot.x && nspot.y == spot.y)
1134 return;
1135
1136 spot = nspot;
1137
1052 preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL); 1138 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1053 XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL); 1139 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1054 XFree(preedit_attr); 1140 XFree (preedit_attr);
1055} 1141}
1056 1142
1057/* EXTPROTO */
1058void 1143void
1059rxvt_setTermFontSet(pR_ int idx) 1144rxvt_term::im_destroy ()
1060{ 1145{
1061 char *string; 1146 if (input_method)
1062 long length; 1147 {
1063 int success = 0; 1148 if (Input_Context && input_method->xim)
1149 XDestroyIC (Input_Context);
1064 1150
1065 if (idx < 0 || idx >= MAX_NFONTS) 1151 display->put_xim (input_method);
1066 return; 1152 input_method = 0;
1067} 1153 }
1068 1154
1069/* INTPROTO */
1070void
1071rxvt_setPreeditArea (pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1072 XRectangle * needed_rect)
1073{
1074 int mbh, vtx = 0;
1075
1076 if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1077 vtx = scrollbar_TotalWidth();
1078 mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1079 mbh -= R->TermWin.lineSpace;
1080
1081 preedit_rect->x = needed_rect->width + vtx;
1082 preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1083
1084 preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1085 + vtx;
1086 preedit_rect->height = Height2Pixel(1);
1087
1088 status_rect->x = vtx;
1089 status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1090
1091 status_rect->width = needed_rect->width ? needed_rect->width
1092 : Width2Pixel(R->TermWin.ncol + 1);
1093 status_rect->height = Height2Pixel(1);
1094}
1095
1096/* ARGSUSED */
1097/* INTPROTO */
1098void
1099rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1100 __attribute__ ((unused)), XPointer call_data
1101 __attribute__ ((unused)))
1102{
1103 dR;
1104
1105 R->Input_Context = NULL; 1155 Input_Context = 0;
1106/* To avoid Segmentation Fault in C locale: Solaris only? */
1107 if (STRCMP(R->locale, "C"))
1108 XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1109 rxvt_IMInstantiateCallback, NULL);
1110} 1156}
1157
1158#ifdef ENABLE_XIM_ONTHESPOT
1159
1160static void
1161xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1162{
1163 ((rxvt_term *)client_data)->make_current ();
1164 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1165}
1166
1167static void
1168xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1169{
1170 ((rxvt_term *)client_data)->make_current ();
1171 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1172}
1173
1174static void
1175xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1176{
1177 rxvt_term *term = (rxvt_term *)client_data;
1178 XIMText *text = call_data->text;
1179
1180 term->make_current ();
1181
1182 if (text)
1183 {
1184 wchar_t *str;
1185
1186 if (!text->encoding_is_wchar && text->string.multi_byte)
1187 {
1188 // of course, X makes it ugly again
1189 if (term->rs[Rs_imLocale])
1190 SET_LOCALE (term->rs[Rs_imLocale]);
1191
1192 str = rxvt_temp_buf<wchar_t> (text->length + 1);
1193 mbstowcs (str, text->string.multi_byte, text->length + 1);
1194
1195 if (term->rs[Rs_imLocale])
1196 SET_LOCALE (term->locale);
1197 }
1198 else
1199 str = text->string.wide_char;
1200
1201 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1202 DT_INT, call_data->caret,
1203 DT_INT, call_data->chg_first,
1204 DT_INT, call_data->chg_length,
1205 DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1206 DT_WCS_LEN, str, str ? (int)text->length : 0,
1207 DT_END));
1208 }
1209 else
1210 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1211 DT_INT, call_data->caret,
1212 DT_INT, call_data->chg_first,
1213 DT_INT, call_data->chg_length,
1214 DT_END));
1215}
1216
1217#if 0
1218static void
1219xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1220{
1221 ((rxvt_term *)client_data)->make_current ();
1222 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1223 DT_INT, call_data->position,
1224 DT_INT, call_data->direction,
1225 DT_INT, call_data->style,
1226 DT_END));
1227}
1228#endif
1229
1230#endif
1111 1231
1112/* 1232/*
1113 * X manual pages and include files don't match on some systems: 1233 * Try to open a XIM with the current modifiers, then see if we can
1114 * some think this is an XIDProc and others an XIMProc so we can't 1234 * open a suitable preedit type
1115 * use the first argument - need to update this to be nice for
1116 * both types via some sort of configure detection
1117 */ 1235 */
1118/* ARGSUSED */ 1236bool
1119/* EXTPROTO */ 1237rxvt_term::IM_get_IC (const char *modifiers)
1120void
1121rxvt_IMInstantiateCallback(Display * unused
1122 __attribute__ ((unused)), XPointer client_data
1123 __attribute__ ((unused)), XPointer call_data
1124 __attribute__ ((unused)))
1125{ 1238{
1126 dR; 1239 int i, j, found;
1127 int i, found, had_im; 1240 XIM xim;
1241 XPoint spot;
1242 XRectangle rect, status_rect, needed_rect;
1243 unsigned long fg, bg;
1244 const char *p;
1245 char **s;
1246 XIMStyles *xim_styles;
1247#ifdef ENABLE_XIM_ONTHESPOT
1248 XIMCallback xcb[4];
1249#endif
1250
1251 set_environ (envv);
1252
1253 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1254 return false;
1255
1256 input_method = display->get_xim (locale, modifiers);
1257 if (input_method == NULL)
1258 return false;
1259
1260 xim = input_method->xim;
1261 spot.x = spot.y = -1;
1262
1263 xim_styles = NULL;
1264 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1265 || !xim_styles || !xim_styles->count_styles)
1266 {
1267 im_destroy ();
1268 return false;
1269 }
1270
1271 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1272
1273 for (int pi = 0; pi < 2; pi++)
1274 {
1275 p = pet[pi];
1276
1277 if (!p)
1278 continue;
1279
1280 s = rxvt_splitcommastring (p);
1281
1282 for (i = found = 0; !found && s[i]; i++)
1283 {
1284 if (!strcmp (s[i], "OverTheSpot"))
1285 input_style = XIMPreeditPosition | XIMStatusNothing;
1286 else if (!strcmp (s[i], "OffTheSpot"))
1287 input_style = XIMPreeditArea | XIMStatusArea;
1288 else if (!strcmp (s[i], "Root"))
1289 input_style = XIMPreeditNothing | XIMStatusNothing;
1290 else if (!strcmp (s[i], "None"))
1291 input_style = XIMPreeditNone | XIMStatusNone;
1292#ifdef ENABLE_XIM_ONTHESPOT
1293 else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1294 input_style = XIMPreeditCallbacks | XIMStatusNothing;
1295#endif
1296 else
1297 input_style = XIMPreeditNothing | XIMStatusNothing;
1298
1299 for (j = 0; j < xim_styles->count_styles; j++)
1300 if (input_style == xim_styles->supported_styles[j])
1301 {
1302 rxvt_freecommastring (s);
1303
1304 found = 1;
1305 goto foundpet;
1306 }
1307
1308 }
1309
1310 rxvt_freecommastring (s);
1311 }
1312
1313foundpet:
1314
1315 XFree (xim_styles);
1316
1317 if (!found)
1318 {
1319 im_destroy ();
1320 return false;
1321 }
1322
1323 XFontSet fs = 0;
1324 XVaNestedList preedit_attr = 0, status_attr = 0;
1325
1326 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1327 {
1328 // fake us a font-set, please
1329 char **missing_charset_list;
1330 int missing_charset_count;
1331 char *def_string;
1332 char pat[512];
1333
1334 sprintf (pat,
1335 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1336 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1337 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1338 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1339 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1340 "*",
1341 fheight,
1342 fheight + 1, fheight - 1,
1343 fheight - 2, fheight + 2);
1344
1345 fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1346 &missing_charset_list, &missing_charset_count, &def_string);
1347
1348 if (missing_charset_list)
1349 XFreeStringList (missing_charset_list);
1350
1351 if (!fs)
1352 {
1353 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1354 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1355 }
1356 }
1357
1358 if (input_style & XIMPreeditPosition)
1359 {
1360 im_set_size (rect);
1361 im_set_position (spot);
1362 im_set_color (fg, bg);
1363
1364 preedit_attr = XVaCreateNestedList (0,
1365 XNForeground, fg,
1366 XNBackground, bg,
1367 XNArea, &rect,
1368 XNSpotLocation, &spot,
1369 XNFontSet, fs,
1370 NULL);
1371 }
1372 else if (input_style & XIMPreeditArea)
1373 {
1374 im_set_color (fg, bg);
1375
1376 /*
1377 * The necessary width of preedit area is unknown
1378 * until create input context.
1379 */
1380 needed_rect.width = 0;
1381 im_set_preedit_area (rect, status_rect, needed_rect);
1382
1383 preedit_attr = XVaCreateNestedList (0,
1384 XNForeground, fg,
1385 XNBackground, bg,
1386 XNArea, &rect,
1387 XNFontSet, fs,
1388 NULL);
1389 status_attr = XVaCreateNestedList (0,
1390 XNForeground, fg,
1391 XNBackground, bg,
1392 XNArea, &status_rect,
1393 XNFontSet, fs,
1394 NULL);
1395 }
1396#if ENABLE_XIM_ONTHESPOT
1397 else if (input_style & XIMPreeditCallbacks)
1398 {
1399 im_set_position (spot);
1400
1401 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1402 xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1403 xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1404# if 0
1405 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1406# endif
1407
1408 preedit_attr = XVaCreateNestedList (0,
1409 XNSpotLocation, &spot,
1410 XNPreeditStartCallback, &xcb[0],
1411 XNPreeditDoneCallback , &xcb[1],
1412 XNPreeditDrawCallback , &xcb[2],
1413# if 0
1414 XNPreeditCaretCallback, &xcb[3],
1415# endif
1416 NULL);
1417 }
1418#endif
1419
1420 Input_Context = XCreateIC (xim,
1421 XNInputStyle, input_style,
1422 XNClientWindow, vt,
1423 XNFocusWindow, parent[0],
1424 preedit_attr ? XNPreeditAttributes : NULL,
1425 preedit_attr,
1426 status_attr ? XNStatusAttributes : NULL,
1427 status_attr, NULL);
1428
1429 if (preedit_attr) XFree (preedit_attr);
1430 if (status_attr) XFree (status_attr);
1431 if (fs) XFreeFontSet (dpy, fs);
1432
1433 if (Input_Context == NULL)
1434 {
1435 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1436 im_destroy ();
1437 return false;
1438 }
1439
1440#if 0
1441 // unfortunately, only the focus window is used by XIM, hard to fix
1442 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1443 vt_select_input ();
1444#endif
1445
1446 IMSetPosition ();
1447
1448 return true;
1449}
1450
1451void
1452rxvt_term::im_cb ()
1453{
1454 int i;
1128 const char *p; 1455 const char *p;
1129 char **s; 1456 char **s;
1130 char buf[IMBUFSIZ]; 1457 char buf[IMBUFSIZ];
1131 1458
1132 D_MAIN((stderr, "rxvt_IMInstantiateCallback()")); 1459 make_current ();
1460
1461 im_destroy ();
1462
1133 if (R->Input_Context) 1463 if (Input_Context)
1134 return; 1464 return;
1135 1465
1466#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1467 if (rs[Rs_imLocale])
1468 SET_LOCALE (rs[Rs_imLocale]);
1469#endif
1470
1136 p = R->rs[Rs_inputMethod]; 1471 p = rs[Rs_inputMethod];
1137 if (p && *p) 1472 if (p && *p)
1138 { 1473 {
1139 bool found = false; 1474 bool found = false;
1140 1475
1141 s = rxvt_splitcommastring (p); 1476 s = rxvt_splitcommastring (p);
1477
1142 for (i = 0; s[i]; i++) 1478 for (i = 0; s[i]; i++)
1143 { 1479 {
1144 if (*s[i]) 1480 if (*s[i])
1145 { 1481 {
1146 STRCPY (buf, "@im="); 1482 strcpy (buf, "@im=");
1147 STRNCAT (buf, s[i], IMBUFSIZ - 5); 1483 strncat (buf, s[i], IMBUFSIZ - 5);
1148 if ((p = XSetLocaleModifiers (buf)) && *p 1484 if (IM_get_IC (buf))
1149 && rxvt_IM_get_IC (aR))
1150 { 1485 {
1151 found = true; 1486 found = true;
1152 break; 1487 break;
1153 } 1488 }
1154 } 1489 }
1155 } 1490 }
1156 for (i = 0; s[i]; i++) 1491
1157 free(s[i]); 1492 rxvt_freecommastring (s);
1158 free(s);
1159 1493
1160 if (found) 1494 if (found)
1161 return; 1495 goto done;
1162 } 1496 }
1163 1497
1164/* try with XMODIFIERS env. var. */ 1498 /* try with XMODIFIERS env. var. */
1165 if ((p = XSetLocaleModifiers ("")) && *p 1499 if (IM_get_IC (""))
1166 && rxvt_IM_get_IC (aR)) 1500 goto done;
1501
1502 /* try with no modifiers base IF the user didn't specify an IM */
1503 if (IM_get_IC ("@im=none"))
1504 goto done;
1505
1506done:
1507#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1508 if (rs[Rs_imLocale])
1509 SET_LOCALE (locale);
1510#endif
1511}
1512
1513void
1514rxvt_term::IMSetPosition ()
1515{
1516 XRectangle preedit_rect, status_rect, *needed_rect;
1517 XVaNestedList preedit_attr, status_attr;
1518
1519 if (!Input_Context
1520 || !focus
1521 || !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1522 || !IMisRunning ())
1167 return; 1523 return;
1168 1524
1169/* try with no modifiers base IF the user didn't specify an IM */ 1525 if (input_style & XIMPreeditPosition)
1170 if ((p = XSetLocaleModifiers ("@im=none")) && *p 1526 {
1171 && rxvt_IM_get_IC (aR) == True) 1527 im_set_size (preedit_rect);
1528 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1529
1530 XSetICValues (Input_Context,
1531 XNPreeditAttributes, preedit_attr, NULL);
1532 }
1533 else
1534 {
1535 /* Getting the necessary width of preedit area */
1536 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1537 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1538 XFree (status_attr);
1539
1540 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1541 XFree (needed_rect);
1542
1543 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1544 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1545
1546 XSetICValues (Input_Context,
1547 XNPreeditAttributes, preedit_attr,
1548 XNStatusAttributes, status_attr,
1549 NULL);
1550
1551 XFree (status_attr);
1552 }
1553
1554 XFree (preedit_attr);
1555}
1556#endif /* USE_XIM */
1557
1558void
1559rxvt_term::get_window_origin (int &x, int &y)
1560{
1561 Window cr;
1562 XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
1563/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
1564}
1565
1566Pixmap
1567rxvt_term::get_pixmap_property (int prop_id)
1568{
1569 if (prop_id > 0 && prop_id < NUM_XA)
1570 if (xa[prop_id])
1571 {
1572 int aformat;
1573 unsigned long nitems, bytes_after;
1574 Atom atype;
1575 unsigned char *prop = NULL;
1576 int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
1577 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1578 &nitems, &bytes_after, &prop);
1579 if (result == Success && prop && atype == XA_PIXMAP)
1580 return *(Pixmap *)prop;
1581 }
1582
1583 return None;
1584}
1585
1586#ifdef HAVE_BG_PIXMAP
1587# if TRACE_PIXMAPS
1588# undef update_background
1589void
1590rxvt_term::trace_update_background (const char *file, int line)
1591{
1592 fprintf (stderr, "%s:%d:update_background()\n", file, line);
1593 update_background ();
1594}
1595# endif
1596
1597void
1598rxvt_term::update_background ()
1599{
1600 if (update_background_ev.is_active ())
1172 return; 1601 return;
1173}
1174 1602
1175/* 1603 bgPixmap.invalidate ();
1176 * Try to open a XIM with the current modifiers, then see if we can
1177 * open a suitable preedit type
1178 */
1179/* INTPROTO */
1180Bool
1181rxvt_IM_get_IC(pR)
1182{
1183 int i, j, found;
1184 XIM xim;
1185 XPoint spot;
1186 XRectangle rect, status_rect, needed_rect;
1187 unsigned long fg, bg;
1188 const char *p;
1189 char **s;
1190 XIMStyles *xim_styles;
1191 XVaNestedList preedit_attr, status_attr;
1192 XIMCallback ximcallback;
1193 1604
1194 D_MAIN((stderr, "rxvt_IM_get_IC()")); 1605 ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
1195 xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);
1196 if (xim == NULL)
1197 return False;
1198 1606
1199 xim_styles = NULL; 1607 if (to_wait <= 0.)
1200 if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL) 1608 bgPixmap.render ();
1201 || !xim_styles || !xim_styles->count_styles) { 1609 else
1202 XCloseIM(xim); 1610 update_background_ev.start (to_wait);
1203 return False;
1204 }
1205
1206 p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]
1207 : "OverTheSpot,OffTheSpot,Root";
1208 s = rxvt_splitcommastring(p);
1209 for (i = found = 0; !found && s[i]; i++) {
1210 if (!STRCMP(s[i], "OverTheSpot"))
1211 R->input_style = (XIMPreeditPosition | XIMStatusNothing);
1212 else if (!STRCMP(s[i], "OffTheSpot"))
1213 R->input_style = (XIMPreeditArea | XIMStatusArea);
1214 else if (!STRCMP(s[i], "Root"))
1215 R->input_style = (XIMPreeditNothing | XIMStatusNothing);
1216
1217 for (j = 0; j < xim_styles->count_styles; j++)
1218 if (R->input_style == xim_styles->supported_styles[j]) {
1219 found = 1;
1220 break;
1221 }
1222 }
1223 for (i = 0; s[i]; i++)
1224 free(s[i]);
1225 free(s);
1226 XFree(xim_styles);
1227
1228 if (!found) {
1229 XCloseIM(xim);
1230 return False;
1231 }
1232
1233 ximcallback.callback = rxvt_IMDestroyCallback;
1234
1235/* XXX: not sure why we need this (as well as IC one below) */
1236 XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);
1237
1238 preedit_attr = status_attr = NULL;
1239
1240 if (R->input_style & XIMPreeditPosition) {
1241 rxvt_setSize(aR_ & rect);
1242 rxvt_setPosition(aR_ & spot);
1243 rxvt_setColor(aR_ & fg, &bg);
1244
1245 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1246 XNSpotLocation, &spot,
1247 XNForeground, fg, XNBackground, bg,
1248 //XNFontSet, R->TermWin.fontset,
1249 NULL);
1250 } else if (R->input_style & XIMPreeditArea) {
1251 rxvt_setColor(aR_ & fg, &bg);
1252
1253 /*
1254 * The necessary width of preedit area is unknown
1255 * until create input context.
1256 */
1257 needed_rect.width = 0;
1258
1259 rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1260
1261 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1262 XNForeground, fg, XNBackground, bg,
1263 //XNFontSet, R->TermWin.fontset,
1264 NULL);
1265 status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1266 XNForeground, fg, XNBackground, bg,
1267 //XNFontSet, R->TermWin.fontset,
1268 NULL);
1269 }
1270 R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1271 XNClientWindow, R->TermWin.parent[0],
1272 XNFocusWindow, R->TermWin.parent[0],
1273 XNDestroyCallback, &ximcallback,
1274 preedit_attr ? XNPreeditAttributes : NULL,
1275 preedit_attr,
1276 status_attr ? XNStatusAttributes : NULL,
1277 status_attr, NULL);
1278 if (preedit_attr)
1279 XFree(preedit_attr);
1280 if (status_attr)
1281 XFree(status_attr);
1282 if (R->Input_Context == NULL) {
1283 rxvt_print_error("failed to create input context");
1284 XCloseIM(xim);
1285 return False;
1286 }
1287 if (R->input_style & XIMPreeditArea)
1288 rxvt_IMSetStatusPosition(aR);
1289 D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1290 return True;
1291} 1611}
1292 1612
1293/* EXTPROTO */
1294void 1613void
1295rxvt_IMSetStatusPosition(pR) 1614rxvt_term::update_background_cb (ev::timer &w, int revents)
1296{ 1615{
1297 XRectangle preedit_rect, status_rect, *needed_rect; 1616 make_current ();
1298 XVaNestedList preedit_attr, status_attr;
1299 1617
1300 if (R->Input_Context == NULL 1618 update_background_ev.stop ();
1301 || !R->TermWin.focus || !(R->input_style & XIMPreeditArea) 1619 bgPixmap.render ();
1302 || !rxvt_IMisRunning(aR)) 1620 refresh_check ();
1303 return;
1304
1305/* Getting the necessary width of preedit area */
1306 status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL);
1307 XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL);
1308 XFree(status_attr);
1309
1310 rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect);
1311
1312 preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL);
1313 status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL);
1314
1315 XSetICValues(R->Input_Context,
1316 XNPreeditAttributes, preedit_attr,
1317 XNStatusAttributes, status_attr, NULL);
1318
1319 XFree(preedit_attr);
1320 XFree(status_attr);
1321} 1621}
1322#endif /* USE_XIM */
1323 1622
1324/*----------------------------------------------------------------------*/ 1623#endif /* HAVE_BG_PIXMAP */
1325rxvt_t rxvt_current_term;
1326 1624
1327/*----------------------- end-of-file (C source) -----------------------*/ 1625/*----------------------- end-of-file (C source) -----------------------*/

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