ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/main.C
(Generate patch)

Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.13 by pcg, Wed Dec 17 09:00:35 2003 UTC vs.
Revision 1.317 by root, Tue May 12 08:21:56 2009 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
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 incr_ev (this, &rxvt_term::incr_cb) 187 child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
74{ 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
75 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;
76} 214}
77 215
78rxvt_term::~rxvt_term () 216rxvt_term::~rxvt_term ()
79{ 217{
218 termlist.erase (find (termlist.begin (), termlist.end(), this));
219
220 emergency_cleanup ();
221
222#if ENABLE_STYLES
223 for (int i = RS_styleCount; --i; )
224 if (fontset[i] != fontset[0])
225 delete fontset[i];
226#endif
227 delete fontset[0];
228
229#ifdef HAVE_BG_PIXMAP
230 bgPixmap.destroy ();
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
243#ifdef USE_XIM
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);
267 }
268
80 scr_release (); 269 scr_release ();
81 270
82#ifndef NO_SETOWNER_TTYDEV 271 /* clear all resources */
83 rxvt_privileged_ttydev (this, RESTORE); 272 for (int i = 0; i < allocated.size (); i++)
84#endif 273 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
95 274
96 if (cmd_fd >= 0) 275 free (selection.text);
97 close (cmd_fd); 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);
98 282
99 if (Xfd >= 0) 283 delete envv;
100 XCloseDisplay (Xdisplay); 284 delete argv;
101 285
102 delete PixColors; 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 ();
103} 304}
104 305
105void 306void
106rxvt_term::destroy () 307rxvt_term::destroy ()
107{ 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
108 check_ev.stop (); 332 flush_ev.stop ();
109 pty_ev.stop (); 333 pty_ev.stop ();
110 x_ev.stop ();
111#ifdef CURSOR_BLINK 334#ifdef CURSOR_BLINK
335 cursor_blink_ev.stop ();
336#endif
337#ifdef TEXT_BLINK
112 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 ();
113#endif 345#endif
114#ifdef POINTER_BLANK 346#ifdef POINTER_BLANK
115 pointer_ev.stop (); 347 pointer_ev.stop ();
116#endif 348#endif
117 349
118 destroy_ev.start (0); 350 destroy_ev.start ();
119} 351}
120 352
121void 353void
122rxvt_term::destroy_cb (time_watcher &w) 354rxvt_term::destroy_cb (ev::idle &w, int revents)
123{ 355{
124 SET_R (this); 356 make_current ();
125 357
126 delete this; 358 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} 359}
308 360
309/*----------------------------------------------------------------------*/ 361/*----------------------------------------------------------------------*/
310/* 362/*
311 * Exit gracefully, clearing the utmp entry and restoring tty attributes 363 * Exit gracefully, clearing the utmp entry and restoring tty attributes
312 * 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
313 */ 365 */
314/* EXTPROTO */ 366static XErrorHandler old_xerror_handler;
315void
316rxvt_clean_exit ()
317{
318 dR;
319 367
320 R->destroy (); 368static void
321} 369rxvt_emergency_cleanup ()
322
323/* ------------------------------------------------------------------------- *
324 * MEMORY ALLOCATION WRAPPERS *
325 * ------------------------------------------------------------------------- */
326/* EXTPROTO */
327void *
328rxvt_malloc(size_t size)
329{ 370{
330 void *p; 371 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
331 372 (*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} 373}
341 374
342/* EXTPROTO */ 375#if !ENABLE_MINIMAL
343void * 376static void
344rxvt_calloc(size_t number, size_t size) 377print_x_error (Display *dpy, XErrorEvent *event)
345{ 378{
346 void *p; 379 char buffer[BUFSIZ];
347 380 char mesg[BUFSIZ];
348 p = calloc(number, size); 381 char number[32];
349 if (p) 382 char *mtype = "XlibMessage";
350 return p; 383 XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
351 384 XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
352 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting"); 385 rxvt_warn ("An X Error occured, trying to continue after report.\n");
353 rxvt_clean_exit(); 386 rxvt_warn ("%s: %s\n", mesg, buffer);
354 exit(EXIT_FAILURE); 387 XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
355/* 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);
356} 421}
357
358/* EXTPROTO */
359void *
360rxvt_realloc(void *ptr, size_t size)
361{
362 void *p;
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 422#endif
392# ifdef HAVE_SETEUID 423
393 switch (mode) { 424int
394 case IGNORE: 425rxvt_xerror_handler (Display *display, XErrorEvent *event)
395 /* 426{
396 * change effective uid/gid - not real uid/gid - so we can switch 427 if (GET_R->allowedxerror == -1)
397 * back to root later, as required 428 GET_R->allowedxerror = event->error_code;
398 */ 429 else
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 } 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);
411# else 435#else
412 switch (mode) { 436 print_x_error (display, event);
413 case IGNORE:
414 setuid(getuid());
415 setgid(getgid());
416 /* FALLTHROUGH */
417 case SAVE:
418 /* FALLTHROUGH */
419 case RESTORE:
420 break;
421 }
422# endif 437#endif
423#endif 438 }
424}
425 439
426#ifdef UTMP_SUPPORT 440 return 0;
427/* EXTPROTO */ 441}
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;
437 442
438 rxvt_privileges(aR_ RESTORE); 443int
439 if (action == SAVE) { 444rxvt_xioerror_handler (Display *display)
440 R->next_utmp_action = RESTORE; 445{
441 rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]); 446 rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
442 } else { /* action == RESTORE */ 447 DisplayString (display));
443 R->next_utmp_action = IGNORE; 448 rxvt_emergency_cleanup ();
444 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);
445 } 465 }
446 rxvt_privileges(aR_ IGNORE); 466} sig_handlers;
447}
448#endif
449 467
450#ifndef NO_SETOWNER_TTYDEV
451/* EXTPROTO */
452void 468void
453rxvt_privileged_ttydev(pR_ char action) 469sig_handlers::sig_term (ev::sig &w, int revents)
454{ 470{
455 D_MAIN((stderr, 471 rxvt_emergency_cleanup ();
456 "rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)", 472 w.stop ();
457 action, R->next_tty_action, getpid())); 473 kill (getpid (), w.signum);
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
471# endif
472 {
473 chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
474 chmod(R->ttydev, R->ttymode);
475# ifdef HAVE_REVOKE
476 revoke(R->ttydev);
477# endif
478 }
479 } else { /* action == RESTORE */
480 R->next_tty_action = IGNORE;
481# ifndef RESET_TTY_TO_COMMON_DEFAULTS
482 chmod(R->ttydev, R->ttyfd_stat.st_mode);
483 chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
484# else
485 chmod(R->ttydev,
486 (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
487 chown(R->ttydev, 0, 0);
488# endif
489 }
490
491 rxvt_privileges(aR_ IGNORE);
492
493# ifndef RESET_TTY_TO_COMMON_DEFAULTS
494 D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
495 action == RESTORE ? "Restoring" : (action ==
496 SAVE ? "Saving" :
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} 474}
502#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}
503 503
504/*----------------------------------------------------------------------*/ 504/*----------------------------------------------------------------------*/
505/* 505/*
506 * window size/position calculcations for XSizeHint and other storage. 506 * window size/position calculations for XSizeHint and other storage.
507 * if width/height are non-zero then override calculated width/height 507 * if width/height are non-zero then override calculated width/height
508 */ 508 */
509/* EXTPROTO */
510void 509void
511rxvt_window_calc(pR_ unsigned int width, unsigned int height) 510rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
512{ 511{
513 short recalc_x, recalc_y; 512 short recalc_x, recalc_y;
514 int x, y, sb_w, mb_h, flags; 513 int x, y, flags;
515 unsigned int w, h; 514 unsigned int w, h;
516 unsigned int max_width, max_height; 515 unsigned int max_width, max_height;
517 516
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; 517 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
522 R->szHint.win_gravity = NorthWestGravity; 518 szHint.win_gravity = NorthWestGravity;
523/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */ 519 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
524 520
525 recalc_x = recalc_y = 0; 521 recalc_x = recalc_y = 0;
526 flags = 0; 522 flags = 0;
523
527 if (!R->parsed_geometry) { 524 if (!parsed_geometry)
525 {
528 R->parsed_geometry = 1; 526 parsed_geometry = 1;
527
529 if (R->rs[Rs_geometry]) 528 if (rs[Rs_geometry])
530 flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h); 529 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
530
531 if (flags & WidthValue) { 531 if (flags & WidthValue)
532 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 ());
533 R->szHint.flags |= USSize; 537 szHint.flags |= USSize;
534 } 538 }
539
535 if (flags & HeightValue) { 540 if (flags & HeightValue)
536 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 ());
537 R->szHint.flags |= USSize; 546 szHint.flags |= USSize;
538 } 547 }
548
539 if (flags & XValue) { 549 if (flags & XValue)
550 {
540 R->szHint.x = x; 551 szHint.x = x;
541 R->szHint.flags |= USPosition; 552 szHint.flags |= USPosition;
553
542 if (flags & XNegative) { 554 if (flags & XNegative)
555 {
543 recalc_x = 1; 556 recalc_x = 1;
544 R->szHint.win_gravity = NorthEastGravity; 557 szHint.win_gravity = NorthEastGravity;
545 } 558 }
546 } 559 }
560
547 if (flags & YValue) { 561 if (flags & YValue)
562 {
548 R->szHint.y = y; 563 szHint.y = y;
549 R->szHint.flags |= USPosition; 564 szHint.flags |= USPosition;
565
550 if (flags & YNegative) { 566 if (flags & YNegative)
567 {
551 recalc_y = 1; 568 recalc_y = 1;
569
552 if (R->szHint.win_gravity == NorthEastGravity) 570 if (szHint.win_gravity == NorthEastGravity)
553 R->szHint.win_gravity = SouthEastGravity; 571 szHint.win_gravity = SouthEastGravity;
554 else 572 else
555 R->szHint.win_gravity = SouthWestGravity; 573 szHint.win_gravity = SouthWestGravity;
556 } 574 }
557 } 575 }
558 } 576 }
577
559/* TODO: BOUNDS */ 578 /* TODO: BOUNDS */
560 R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth; 579 width = ncol * fwidth;
561 R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight; 580 height = nrow * fheight;
562 max_width = MAX_COLS * R->TermWin.fwidth; 581 max_width = MAX_COLS * fwidth;
563 max_height = MAX_ROWS * R->TermWin.fheight; 582 max_height = MAX_ROWS * fheight;
564 583
565 R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth; 584 szHint.base_width = szHint.base_height = 2 * int_bwidth;
566 585
567 sb_w = mb_h = 0;
568 R->window_vt_x = R->window_vt_y = 0; 586 window_vt_x = window_vt_y = int_bwidth;
569 if (scrollbar_visible(R)) { 587
588 if (scrollBar.state)
589 {
570 sb_w = scrollbar_TotalWidth(); 590 int sb_w = scrollBar.total_width ();
571 R->szHint.base_width += sb_w; 591 szHint.base_width += sb_w;
592
572 if (!(R->Options & Opt_scrollBar_right)) 593 if (!option (Opt_scrollBar_right))
573 R->window_vt_x = sb_w; 594 window_vt_x += sb_w;
574 } 595 }
575 if (menubar_visible(R)) { 596
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; 597 szHint.width_inc = fwidth;
581 R->szHint.height_inc = R->TermWin.fheight; 598 szHint.height_inc = fheight;
582 R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc; 599 szHint.min_width = szHint.base_width + szHint.width_inc;
583 R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc; 600 szHint.min_height = szHint.base_height + szHint.height_inc;
584 601
585 if (width && width - R->szHint.base_width < max_width) { 602 if (newwidth && newwidth - szHint.base_width < max_width)
603 {
586 R->szHint.width = width; 604 szHint.width = newwidth;
587 R->TermWin.width = width - R->szHint.base_width; 605 width = newwidth - szHint.base_width;
588 } else { 606 }
589 MIN_IT(R->TermWin.width, max_width); 607 else
608 {
609 min_it (width, max_width);
590 R->szHint.width = R->szHint.base_width + R->TermWin.width; 610 szHint.width = szHint.base_width + width;
591 } 611 }
612
592 if (height && height - R->szHint.base_height < max_height) { 613 if (newheight && newheight - szHint.base_height < max_height)
614 {
593 R->szHint.height = height; 615 szHint.height = newheight;
594 R->TermWin.height = height - R->szHint.base_height; 616 height = newheight - szHint.base_height;
595 } else { 617 }
596 MIN_IT(R->TermWin.height, max_height); 618 else
619 {
620 min_it (height, max_height);
597 R->szHint.height = R->szHint.base_height + R->TermWin.height; 621 szHint.height = szHint.base_height + height;
598 } 622 }
599 if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
600 R->window_sb_x = R->szHint.width - sb_w;
601 623
602 if (recalc_x) 624 if (recalc_x)
603 R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen) 625 szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
604 - R->szHint.width - 2 * R->TermWin.ext_bwidth); 626
605 if (recalc_y) 627 if (recalc_y)
606 R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen) 628 szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
607 - R->szHint.height - 2 * R->TermWin.ext_bwidth);
608 629
609 R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth; 630 ncol = width / fwidth;
610 R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight; 631 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} 632}
616 633
617/*----------------------------------------------------------------------*/ 634/*----------------------------------------------------------------------*/
618/* 635/*
619 * Tell the teletype handler what size the window is. 636 * Tell the teletype handler what size the window is.
620 * Called after a window size change. 637 * Called after a window size change.
621 */ 638 */
622void 639void
623rxvt_term::tt_winch () 640rxvt_term::tt_winch ()
624{ 641{
625 struct winsize ws; 642 if (pty->pty < 0)
626
627 if (cmd_fd < 0)
628 return; 643 return;
629 644
645 struct winsize ws;
646
630 ws.ws_col = TermWin.ncol; 647 ws.ws_col = ncol;
631 ws.ws_row = TermWin.nrow; 648 ws.ws_row = nrow;
632 ws.ws_xpixel = ws.ws_ypixel = 0; 649 ws.ws_xpixel = width;
633#ifndef DEBUG_SIZE 650 ws.ws_ypixel = height;
634 (void)ioctl (cmd_fd, TIOCSWINSZ, &ws); 651 ioctl (pty->pty, TIOCSWINSZ, &ws);
635#else 652
636 if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0) 653#if 0
637 D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd)); 654 // TIOCSWINSZ is supposed to do this automatically and correctly
638# ifdef SIGWINCH
639 else if (cmd_pid) /* force through to the command */ 655 if (cmd_pid) /* force through to the command */
640 kill (cmd_pid, SIGWINCH); 656 kill (-cmd_pid, SIGWINCH);
641# endif
642#endif 657#endif
643} 658}
644 659
645/*----------------------------------------------------------------------*/ 660/*----------------------------------------------------------------------*/
646/* rxvt_change_font() - Switch to a new font */ 661/* set_fonts () - load and set the various fonts
647/* 662 *
648 * init = 1 - initialize 663 * init = 1 - initialize
649 * 664 *
650 * fontname == FONT_UP - switch to bigger font 665 * fontname == FONT_UP - switch to bigger font
651 * fontname == FONT_DN - switch to smaller font 666 * fontname == FONT_DN - switch to smaller font
652 */ 667 */
653/* EXTPROTO */ 668bool
654void 669rxvt_term::set_fonts ()
655rxvt_change_font(pR_ int init, const char *fontname)
656{ 670{
657} 671 rxvt_fontset *fs = new rxvt_fontset (this);
672 rxvt_fontprop prop;
658 673
659/* 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
694 fs->set_prop (prop, false);
695
696 fwidth = prop.width;
697 fheight = prop.height;
698 fbase = prop.ascent;
699
700 for (int style = 1; style < 4; style++)
701 {
702#if ENABLE_STYLES
703 const char *res = rs[Rs_font + style];
704
705 if (res && !*res)
706 fontset[style] = fontset[0];
707 else
708 {
709 fontset[style] = fs = new rxvt_fontset (this);
710 rxvt_fontprop prop2 = prop;
711
712 if (res)
713 {
714 fs->populate (res);
715 fs->set_prop (prop2, false);
716 }
717 else
718 {
719 fs->populate (fontset[0]->fontdesc);
720
721 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
722 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
723
724 fs->set_prop (prop2, true);
725 }
726
727 }
728#else
729 fontset[style] = fontset[0];
730#endif
731 }
732
733 if (parent[0])
734 {
735 resize_all_windows (0, 0, 0);
736 scr_remap_chars ();
737 scr_touch (true);
738 }
739
740 return true;
741}
742
660void 743void
661rxvt_font_up_down(pR_ int n, int direction) 744rxvt_term::set_string_property (Atom prop, const char *str, int len)
662{ 745{
746 XChangeProperty (dpy, parent[0],
747 prop, XA_STRING, 8, PropModeReplace,
748 (const unsigned char *)str, len >= 0 ? len : strlen (str));
749}
750
751void
752rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
753{
754 wchar_t *ws = rxvt_mbstowcs (str, len);
755 char *s = rxvt_wcstoutf8 (ws);
756
757 XChangeProperty (dpy, parent[0],
758 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
759 (const unsigned char *)s, strlen (s));
760
761 free (s);
762 free (ws);
663} 763}
664 764
665/*----------------------------------------------------------------------*/ 765/*----------------------------------------------------------------------*/
666/*----------------------------------------------------------------------*/ 766/*----------------------------------------------------------------------*/
667/* xterm sequences - title, iconName, color (exptl) */ 767/* xterm sequences - title, iconName, color (exptl) */
668/* EXTPROTO */
669void 768void
670rxvt_set_title(pR_ const char *str) 769rxvt_term::set_title (const char *str)
671{ 770{
672#ifndef SMART_WINDOW_TITLE 771 set_string_property (XA_WM_NAME, str);
673 XStoreName(R->Xdisplay, R->TermWin.parent[0], str); 772#if ENABLE_EWMH
674#else 773 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 774#endif
684} 775}
685 776
686/* EXTPROTO */
687void 777void
688rxvt_set_iconName(pR_ const char *str) 778rxvt_term::set_icon_name (const char *str)
689{ 779{
690#ifndef SMART_WINDOW_TITLE 780 set_string_property (XA_WM_ICON_NAME, str);
691 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str); 781#if ENABLE_EWMH
692#else 782 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 783#endif
702} 784}
703 785
786void
787rxvt_term::set_window_color (int idx, const char *color)
788{
704#ifdef XTERM_COLOR_CHANGE 789#ifdef XTERM_COLOR_CHANGE
705/* EXTPROTO */
706void
707rxvt_set_window_color(pR_ int idx, const char *color)
708{
709 rxvt_color xcol; 790 rxvt_color xcol;
710 int i;
711 791
712 if (color == NULL || *color == '\0') 792 if (color == NULL || *color == '\0')
713 return; 793 return;
714 794
795 color = strdup (color);
796 allocated.push_back ((void *)color);
797 rs[Rs_color + idx] = color;
798
715/* handle color aliases */ 799 /* handle color aliases */
716 if (isdigit(*color)) { 800 if (isdigit (*color))
801 {
717 i = atoi(color); 802 int i = atoi (color);
718 if (i >= 8 && i <= 15) { /* bright colors */ 803
719 i -= 8; 804 if (i >= 8 && i <= 15)
720# ifndef NO_BRIGHTCOLOR 805 {
721 R->PixColors[idx] = R->PixColors[minBrightCOLOR + i]; 806 /* bright colors */
722 SET_PIXCOLOR(R, idx); 807 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
723 goto Done; 808 goto done;
724# endif
725 } 809 }
726 if (i >= 0 && i <= 7) { /* normal colors */ 810
727 R->PixColors[idx] = R->PixColors[minCOLOR + i]; 811 if (i >= 0 && i <= 7)
728 SET_PIXCOLOR(R, idx); 812 {
813 /* normal colors */
814 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
729 goto Done; 815 goto done;
730 } 816 }
731 } 817 }
732 if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
733 return;
734/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
735 818
736/* 819 set_color (xcol, color);
820
821 /*
737 * FIXME: should free colors here, but no idea how to do it so instead, 822 * FIXME: should free colors here, but no idea how to do it so instead,
738 * so just keep gobbling up the colormap 823 * so just keep gobbling up the colormap
739 */ 824 */
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
750 825
751 R->PixColors[idx] = xcol; 826 pix_colors_focused[idx] = xcol;
752 SET_PIXCOLOR(R, idx);
753 827
754/* XSetWindowAttributes attr; */ 828done:
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. */ 829 /*TODO: handle Color_BD, scrollbar background, etc. */
762 830
763 rxvt_set_colorfgbg(aR); 831 update_fade_color (idx);
764 rxvt_recolour_cursor(aR); 832 recolour_cursor ();
765/* the only reasonable way to enforce a clean update */ 833 scr_recolour ();
766 rxvt_scr_poweron(aR); 834#endif /* XTERM_COLOR_CHANGE */
767} 835}
768 836
769#else
770# define rxvt_set_window_color(aR_ idx,color) ((void)0)
771#endif /* XTERM_COLOR_CHANGE */
772
773/* EXTPROTO */
774void 837void
775rxvt_recolour_cursor(pR) 838rxvt_term::recolour_cursor ()
776{ 839{
777 rxvt_color xcol[2]; 840 XColor fg, bg;
778 841
779#if TODO 842 (ISSET_PIXCOLOR (Color_pointer_fg)
780 xcol[0] = R->PixColors[Color_pointer]; 843 ? pix_colors_focused[Color_pointer_fg]
781 xcol[1] = R->PixColors[Color_bg]; 844 : pix_colors_focused[Color_fg]).get (fg);
782 XQueryColors(R->Xdisplay, XCMAP, xcol, 2); 845
783 XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1])); 846 (ISSET_PIXCOLOR (Color_pointer_bg)
784#endif 847 ? pix_colors_focused[Color_pointer_bg]
848 : pix_colors_focused[Color_bg]).get (bg);
849
850 XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
785} 851}
786 852
787/*----------------------------------------------------------------------*/ 853/*----------------------------------------------------------------------*/
788/* 854/*
789 * find if fg/bg matches any of the normal (low-intensity) colors 855 * find if fg/bg matches any of the normal (low-intensity) colors
790 */ 856 */
791/* INTPROTO */
792void 857void
793rxvt_set_colorfgbg(pR) 858rxvt_term::set_colorfgbg ()
794{ 859{
795 unsigned int i; 860 unsigned int i;
796 const char *xpmb = "\0"; 861 const char *xpmb = "";
797 char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1]; 862 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
798 863
799 R->env_colorfgbg = 864 strcpy (fstr, "default");
800 (char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1); 865 strcpy (bstr, "default");
801 STRCPY(fstr, "default");
802 STRCPY(bstr, "default");
803 for (i = Color_Black; i <= Color_White; i++) 866 for (i = Color_Black; i <= Color_White; i++)
804 if (R->PixColors[Color_fg] == R->PixColors[i]) { 867 if (pix_colors[Color_fg] == pix_colors[i])
868 {
805 sprintf(fstr, "%d", (i - Color_Black)); 869 sprintf (fstr, "%d", (i - Color_Black));
806 break; 870 break;
807 } 871 }
872
808 for (i = Color_Black; i <= Color_White; i++) 873 for (i = Color_Black; i <= Color_White; i++)
809 if (R->PixColors[Color_bg] == R->PixColors[i]) { 874 if (pix_colors[Color_bg] == pix_colors[i])
875 {
810 sprintf(bstr, "%d", (i - Color_Black)); 876 sprintf (bstr, "%d", (i - Color_Black));
811#ifdef XPM_BACKGROUND 877#ifdef BG_IMAGE_FROM_FILE
812 xpmb = "default;"; 878 xpmb = "default;";
813#endif 879#endif
814 break; 880 break;
815 } 881 }
882
816 sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); 883 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} 884}
829 885
830/*----------------------------------------------------------------------*/ 886/*----------------------------------------------------------------------*/
831/*
832 * Colour determination for low colour displays, routine from
833 * Hans de Goede <hans@highrise.nl>
834 */
835 887
836/* EXTPROTO */ 888bool
837int 889rxvt_term::set_color (rxvt_color &color, const char *name)
838rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
839{ 890{
840 screen_in_out->set(aR_ colour); 891 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; 892 return true;
893
894 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
895 return false;
896}
897
898void
899rxvt_term::alias_color (int dst, int src)
900{
901 pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
848} 902}
849 903
850/* -------------------------------------------------------------------- * 904/* -------------------------------------------------------------------- *
851 * - WINDOW RESIZING - * 905 * - WINDOW RESIZING - *
852 * -------------------------------------------------------------------- */ 906 * -------------------------------------------------------------------- */
853/* EXTPROTO */
854void 907void
855rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height, 908rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
856 int ignoreparent)
857{ 909{
858 int fix_screen; 910 int fix_screen;
911 int old_width = szHint.width;
912 int old_height = szHint.height;
859 913
914 window_calc (newwidth, newheight);
915
916 bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
917
918 // to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
919 if (set_hint)
920 {
921 szHint.flags &= ~(PBaseSize | PResizeInc);
922 XSetWMNormalHints (dpy, parent[0], &szHint);
923 szHint.flags |= PBaseSize | PResizeInc;
924 }
925
926 if (!ignoreparent)
927 {
860#ifdef SMART_RESIZE 928#ifdef SMART_RESIZE
861 int old_width = R->szHint.width, old_height = R->szHint.height; 929 /*
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> 930 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
870 * reposition window on resize depending on placement on screen 931 * reposition window on resize depending on placement on screen
871 */ 932 */
872 int x, y, x1, y1; 933 int x, y, x1, y1;
873 int dx, dy; 934 int dx, dy;
874 unsigned int unused_w1, unused_h1, unused_b1, unused_d1; 935 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
875 Window unused_cr; 936 Window unused_cr;
876 937
877 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot, 938 XTranslateCoordinates (dpy, parent[0], display->root,
878 0, 0, &x, &y, &unused_cr); 939 0, 0, &x, &y, &unused_cr);
879 XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1, 940 XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
880 &unused_w1, &unused_h1, &unused_b1, &unused_d1); 941 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
881 /* 942 /*
882 * if Xroot isn't the parent window, a WM will probably have offset 943 * if display->root isn't the parent window, a WM will probably have offset
883 * our position for handles and decorations. Counter it 944 * our position for handles and decorations. Counter it
884 */ 945 */
885 if (x1 != x || y1 != y) { 946 if (x1 != x || y1 != y)
947 {
886 x -= x1; 948 x -= x1;
887 y -= y1; 949 y -= y1;
888 } 950 }
889 951
890 x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2; 952 x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
891 y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2; 953 y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
892 dx = old_width - R->szHint.width; 954 dx = old_width - szHint.width;
893 dy = old_height - R->szHint.height; 955 dy = old_height - szHint.height;
894 956
895 /* Check position of the center of the window */ 957 /* Check position of the center of the window */
896 if (x < x1) /* left half */ 958 if (x < x1) /* left half */
897 dx = 0; 959 dx = 0;
898 else if (x == x1) /* exact center */ 960 else if (x == x1) /* exact center */
899 dx /= 2; 961 dx /= 2;
900 if (y < y1) /* top half */ 962 if (y < y1) /* top half */
901 dy = 0; 963 dy = 0;
902 else if (y == y1) /* exact center */ 964 else if (y == y1) /* exact center */
903 dy /= 2; 965 dy /= 2;
904 966
905 XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy, 967 XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
906 R->szHint.width, R->szHint.height); 968 szHint.width, szHint.height);
907#else 969#else
908 XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width, 970 XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
909 R->szHint.height);
910#endif 971#endif
911 } 972 }
912 973
913 fix_screen = (R->TermWin.ncol != R->prev_ncol 974 if (set_hint)
914 || R->TermWin.nrow != R->prev_nrow); 975 XSetWMNormalHints (dpy, parent[0], &szHint);
976
977 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
978
915 if (fix_screen || width != R->old_width || height != R->old_height) { 979 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 } 980 {
981 if (scrollBar.state)
982 scrollBar.resize ();
937 983
984 XMoveResizeWindow (dpy, vt,
985 window_vt_x, window_vt_y,
986 width, height);
987
988#ifdef HAVE_BG_PIXMAP
989 if (bgPixmap.window_size_sensitive ())
990 update_background ();
991#endif
992 }
993
938 if (fix_screen || R->old_height == 0) { 994 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(); 995 scr_reset ();
947 996
948 if (curr_screen >= 0) { /* this is not the first time through */ 997 // TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
949 rxvt_scr_change_screen(aR_ curr_screen); 998 //scr_touch (false);
950 rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
951 }
952 }
953 999
954 R->old_width = R->szHint.width; 1000#ifdef HAVE_BG_PIXMAP
955 R->old_height = R->szHint.height; 1001// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
1002// if (bgPixmap.pixmap)
1003// scr_touch (false);
1004#endif
956 1005
957#ifdef USE_XIM 1006#ifdef USE_XIM
958 rxvt_IMSetStatusPosition(aR); 1007 IMSetPosition ();
959#endif 1008#endif
960} 1009}
961 1010
962/* 1011/*
963 * Set the width/height of the vt window in characters. Units are pixels. 1012 * Set the width/height of the vt window in characters. Units are pixels.
964 * good for toggling 80/132 columns 1013 * good for toggling 80/132 columns
965 */ 1014 */
966/* EXTPROTO */
967void 1015void
968rxvt_set_widthheight(pR_ unsigned int width, unsigned int height) 1016rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
969{ 1017{
970 XWindowAttributes wattr; 1018 XWindowAttributes wattr;
971 1019
972 if (width == 0 || height == 0) { 1020 if (newwidth == 0 || newheight == 0)
1021 {
973 XGetWindowAttributes(R->Xdisplay, Xroot, &wattr); 1022 XGetWindowAttributes (dpy, display->root, &wattr);
1023
974 if (width == 0) 1024 if (newwidth == 0)
975 width = wattr.width - R->szHint.base_width; 1025 newwidth = wattr.width - szHint.base_width;
976 if (height == 0) 1026 if (newheight == 0)
977 height = wattr.height - R->szHint.base_height; 1027 newheight = wattr.height - szHint.base_height;
1028 }
1029
1030 if (newwidth != width || newheight != height)
978 } 1031 {
979 if (width != R->TermWin.width || height != R->TermWin.height) {
980 width += R->szHint.base_width; 1032 newwidth += szHint.base_width;
981 height += R->szHint.base_height; 1033 newheight += szHint.base_height;
982 rxvt_resize_all_windows(aR_ width, height, 0); 1034 resize_all_windows (newwidth, newheight, 0);
983 } 1035 }
984} 1036}
985 1037
986/* -------------------------------------------------------------------- * 1038/* -------------------------------------------------------------------- *
987 * - X INPUT METHOD ROUTINES - * 1039 * - X INPUT METHOD ROUTINES - *
988 * -------------------------------------------------------------------- */ 1040 * -------------------------------------------------------------------- */
989#ifdef USE_XIM 1041#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 1042
1000/* INTPROTO */
1001void 1043void
1002rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg) 1044rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1003{ 1045{
1004 *fg = R->PixColors[Color_fg]; 1046 fg = pix_colors [Color_fg];
1005 *bg = R->PixColors[Color_bg]; 1047 bg = pix_colors [Color_bg];
1048}
1049
1050void
1051rxvt_term::im_set_size (XRectangle &size)
1052{
1053 // the int_bwidth terms make no sense to me
1054 size.x = int_bwidth;
1055 size.y = int_bwidth;
1056 size.width = Width2Pixel (ncol) + int_bwidth;
1057 size.height = Height2Pixel (nrow) + int_bwidth;
1058}
1059
1060void
1061rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1062 XRectangle &status_rect,
1063 const XRectangle &needed_rect)
1064{
1065 preedit_rect.x = needed_rect.width;
1066 preedit_rect.y = 0;
1067 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1068 preedit_rect.height = fheight;
1069
1070 status_rect.x = 0;
1071 status_rect.y = 0;
1072 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1073 status_rect.height = fheight;
1006} 1074}
1007 1075
1008/* Checking whether input method is running. */ 1076/* Checking whether input method is running. */
1009/* INTPROTO */
1010Bool 1077bool
1011rxvt_IMisRunning(pR) 1078rxvt_term::IMisRunning ()
1012{ 1079{
1013 char *p; 1080 Atom atom;
1014 Atom atom; 1081 Window win;
1015 Window win;
1016 char server[IMBUFSIZ]; 1082 char server[IMBUFSIZ];
1017 1083
1018/* get current locale modifier */ 1084 /* get current locale modifier */
1019 if ((p = XSetLocaleModifiers(NULL)) != NULL) { 1085 if (char *p = XSetLocaleModifiers (0))
1086 {
1020 STRCPY(server, "@server="); 1087 strcpy (server, "@server=");
1021 STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */ 1088 strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
1089
1022 if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */ 1090 if (p = strchr (server + 1, '@')) /* first one only */
1023 *p = '\0'; 1091 *p = '\0';
1024 1092
1025 atom = XInternAtom(R->Xdisplay, server, False); 1093 atom = XInternAtom (dpy, server, False);
1026 win = XGetSelectionOwner(R->Xdisplay, atom); 1094 win = XGetSelectionOwner (dpy, atom);
1095
1027 if (win != None) 1096 if (win != None)
1028 return True; 1097 return True;
1029 } 1098 }
1099
1030 return False; 1100 return False;
1031} 1101}
1032 1102
1033/* EXTPROTO */
1034void 1103void
1035rxvt_IMSendSpot(pR) 1104rxvt_term::IMSendSpot ()
1036{ 1105{
1037 XPoint spot; 1106 XPoint nspot;
1038 XVaNestedList preedit_attr; 1107 XVaNestedList preedit_attr;
1039 1108
1040 if (R->Input_Context == NULL 1109 if (!Input_Context
1041 || !R->TermWin.focus || !(R->input_style & XIMPreeditPosition) 1110 || !focus
1042 || !(R->event_type == KeyPress 1111 || !(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; 1112 return;
1049 1113
1050 rxvt_setPosition(aR_ & spot); 1114 im_set_position (nspot);
1051 1115
1116 if (nspot.x == spot.x && nspot.y == spot.y)
1117 return;
1118
1119 spot = nspot;
1120
1052 preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL); 1121 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1053 XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL); 1122 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1054 XFree(preedit_attr); 1123 XFree (preedit_attr);
1055} 1124}
1056 1125
1057/* EXTPROTO */
1058void 1126void
1059rxvt_setTermFontSet(pR_ int idx) 1127rxvt_term::im_destroy ()
1060{ 1128{
1061 char *string; 1129 if (input_method)
1062 long length; 1130 {
1063 int success = 0; 1131 if (Input_Context && input_method->xim)
1132 XDestroyIC (Input_Context);
1064 1133
1065 if (idx < 0 || idx >= MAX_NFONTS) 1134 display->put_xim (input_method);
1066 return; 1135 input_method = 0;
1067} 1136 }
1068 1137
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; 1138 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} 1139}
1140
1141#ifdef ENABLE_XIM_ONTHESPOT
1142
1143static void
1144xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1145{
1146 ((rxvt_term *)client_data)->make_current ();
1147 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1148}
1149
1150static void
1151xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1152{
1153 ((rxvt_term *)client_data)->make_current ();
1154 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1155}
1156
1157static void
1158xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1159{
1160 rxvt_term *term = (rxvt_term *)client_data;
1161 XIMText *text = call_data->text;
1162
1163 term->make_current ();
1164
1165 if (text)
1166 {
1167 void *str;
1168
1169 if (!text->encoding_is_wchar && text->string.multi_byte)
1170 {
1171 // of course, X makes it ugly again
1172 if (term->rs[Rs_imLocale])
1173 SET_LOCALE (term->rs[Rs_imLocale]);
1174
1175 str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
1176 mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
1177
1178 if (term->rs[Rs_imLocale])
1179 SET_LOCALE (term->locale);
1180 }
1181 else
1182 str = (void *)text->string.wide_char;
1183
1184 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1185 DT_INT, call_data->caret,
1186 DT_INT, call_data->chg_first,
1187 DT_INT, call_data->chg_length,
1188 DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1189 DT_WCS_LEN, str, str ? (int)text->length : 0,
1190 DT_END));
1191 }
1192 else
1193 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1194 DT_INT, call_data->caret,
1195 DT_INT, call_data->chg_first,
1196 DT_INT, call_data->chg_length,
1197 DT_END));
1198}
1199
1200#if 0
1201static void
1202xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1203{
1204 ((rxvt_term *)client_data)->make_current ();
1205 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1206 DT_INT, call_data->position,
1207 DT_INT, call_data->direction,
1208 DT_INT, call_data->style,
1209 DT_END));
1210}
1211#endif
1212
1213#endif
1111 1214
1112/* 1215/*
1113 * X manual pages and include files don't match on some systems: 1216 * 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 1217 * 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 */ 1218 */
1118/* ARGSUSED */ 1219bool
1119/* EXTPROTO */ 1220rxvt_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{ 1221{
1126 dR; 1222 int i, j, found;
1127 int i, found, had_im; 1223 XIM xim;
1224 XPoint spot;
1225 XRectangle rect, status_rect, needed_rect;
1226 unsigned long fg, bg;
1227 const char *p;
1228 char **s;
1229 XIMStyles *xim_styles;
1230#ifdef ENABLE_XIM_ONTHESPOT
1231 XIMCallback xcb[4];
1232#endif
1233
1234 set_environ (envv);
1235
1236 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1237 return false;
1238
1239 input_method = display->get_xim (locale, modifiers);
1240 if (input_method == NULL)
1241 return false;
1242
1243 xim = input_method->xim;
1244 spot.x = spot.y = -1;
1245
1246 xim_styles = NULL;
1247 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1248 || !xim_styles || !xim_styles->count_styles)
1249 {
1250 im_destroy ();
1251 return false;
1252 }
1253
1254 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1255
1256 for (int pi = 0; pi < 2; pi++)
1257 {
1258 p = pet[pi];
1259
1260 if (!p)
1261 continue;
1262
1263 s = rxvt_splitcommastring (p);
1264
1265 for (i = found = 0; !found && s[i]; i++)
1266 {
1267 if (!strcmp (s[i], "OverTheSpot"))
1268 input_style = XIMPreeditPosition | XIMStatusNothing;
1269 else if (!strcmp (s[i], "OffTheSpot"))
1270 input_style = XIMPreeditArea | XIMStatusArea;
1271 else if (!strcmp (s[i], "Root"))
1272 input_style = XIMPreeditNothing | XIMStatusNothing;
1273 else if (!strcmp (s[i], "None"))
1274 input_style = XIMPreeditNone | XIMStatusNone;
1275#ifdef ENABLE_XIM_ONTHESPOT
1276 else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1277 input_style = XIMPreeditCallbacks | XIMStatusNothing;
1278#endif
1279 else
1280 input_style = XIMPreeditNothing | XIMStatusNothing;
1281
1282 for (j = 0; j < xim_styles->count_styles; j++)
1283 if (input_style == xim_styles->supported_styles[j])
1284 {
1285 rxvt_freecommastring (s);
1286
1287 found = 1;
1288 goto foundpet;
1289 }
1290
1291 }
1292
1293 rxvt_freecommastring (s);
1294 }
1295
1296foundpet:
1297
1298 XFree (xim_styles);
1299
1300 if (!found)
1301 {
1302 im_destroy ();
1303 return false;
1304 }
1305
1306 XFontSet fs = 0;
1307 XVaNestedList preedit_attr = 0, status_attr = 0;
1308
1309 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1310 {
1311 // fake us a font-set, please
1312 char **missing_charset_list;
1313 int missing_charset_count;
1314 char *def_string;
1315 char pat[512];
1316
1317 sprintf (pat,
1318 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1319 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1320 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1321 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1322 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1323 "*",
1324 fheight,
1325 fheight + 1, fheight - 1,
1326 fheight - 2, fheight + 2);
1327
1328 fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1329 &missing_charset_list, &missing_charset_count, &def_string);
1330
1331 if (missing_charset_list)
1332 XFreeStringList (missing_charset_list);
1333
1334 if (!fs)
1335 {
1336 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1337 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1338 }
1339 }
1340
1341 if (input_style & XIMPreeditPosition)
1342 {
1343 im_set_size (rect);
1344 im_set_position (spot);
1345 im_set_color (fg, bg);
1346
1347 preedit_attr = XVaCreateNestedList (0,
1348 XNForeground, fg,
1349 XNBackground, bg,
1350 XNArea, &rect,
1351 XNSpotLocation, &spot,
1352 XNFontSet, fs,
1353 NULL);
1354 }
1355 else if (input_style & XIMPreeditArea)
1356 {
1357 im_set_color (fg, bg);
1358
1359 /*
1360 * The necessary width of preedit area is unknown
1361 * until create input context.
1362 */
1363 needed_rect.width = 0;
1364 im_set_preedit_area (rect, status_rect, needed_rect);
1365
1366 preedit_attr = XVaCreateNestedList (0,
1367 XNForeground, fg,
1368 XNBackground, bg,
1369 XNArea, &rect,
1370 XNFontSet, fs,
1371 NULL);
1372 status_attr = XVaCreateNestedList (0,
1373 XNForeground, fg,
1374 XNBackground, bg,
1375 XNArea, &status_rect,
1376 XNFontSet, fs,
1377 NULL);
1378 }
1379#if ENABLE_XIM_ONTHESPOT
1380 else if (input_style & XIMPreeditCallbacks)
1381 {
1382 im_set_position (spot);
1383
1384 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1385 xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1386 xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1387# if 0
1388 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1389# endif
1390
1391 preedit_attr = XVaCreateNestedList (0,
1392 XNSpotLocation, &spot,
1393 XNPreeditStartCallback, &xcb[0],
1394 XNPreeditDoneCallback , &xcb[1],
1395 XNPreeditDrawCallback , &xcb[2],
1396# if 0
1397 XNPreeditCaretCallback, &xcb[3],
1398# endif
1399 NULL);
1400 }
1401#endif
1402
1403 Input_Context = XCreateIC (xim,
1404 XNInputStyle, input_style,
1405 XNClientWindow, vt,
1406 XNFocusWindow, parent[0],
1407 preedit_attr ? XNPreeditAttributes : NULL,
1408 preedit_attr,
1409 status_attr ? XNStatusAttributes : NULL,
1410 status_attr, NULL);
1411
1412 if (preedit_attr) XFree (preedit_attr);
1413 if (status_attr) XFree (status_attr);
1414 if (fs) XFreeFontSet (dpy, fs);
1415
1416 if (Input_Context == NULL)
1417 {
1418 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1419 im_destroy ();
1420 return false;
1421 }
1422
1423#if 0
1424 // unfortunately, only the focus window is used by XIM, hard to fix
1425 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1426 vt_select_input ();
1427#endif
1428
1429 IMSetPosition ();
1430
1431 return true;
1432}
1433
1434void
1435rxvt_term::im_cb ()
1436{
1437 int i;
1128 const char *p; 1438 const char *p;
1129 char **s; 1439 char **s;
1130 char buf[IMBUFSIZ]; 1440 char buf[IMBUFSIZ];
1131 1441
1132 D_MAIN((stderr, "rxvt_IMInstantiateCallback()")); 1442 make_current ();
1443
1444 im_destroy ();
1445
1133 if (R->Input_Context) 1446 if (Input_Context)
1134 return; 1447 return;
1135 1448
1449#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1450 if (rs[Rs_imLocale])
1451 SET_LOCALE (rs[Rs_imLocale]);
1452#endif
1453
1136 p = R->rs[Rs_inputMethod]; 1454 p = rs[Rs_inputMethod];
1137 if (p && *p) 1455 if (p && *p)
1138 { 1456 {
1139 bool found = false; 1457 bool found = false;
1140 1458
1141 s = rxvt_splitcommastring (p); 1459 s = rxvt_splitcommastring (p);
1460
1142 for (i = 0; s[i]; i++) 1461 for (i = 0; s[i]; i++)
1143 { 1462 {
1144 if (*s[i]) 1463 if (*s[i])
1145 { 1464 {
1146 STRCPY (buf, "@im="); 1465 strcpy (buf, "@im=");
1147 STRNCAT (buf, s[i], IMBUFSIZ - 5); 1466 strncat (buf, s[i], IMBUFSIZ - 5);
1148 if ((p = XSetLocaleModifiers (buf)) && *p 1467 if (IM_get_IC (buf))
1149 && rxvt_IM_get_IC (aR))
1150 { 1468 {
1151 found = true; 1469 found = true;
1152 break; 1470 break;
1153 } 1471 }
1154 } 1472 }
1155 } 1473 }
1156 for (i = 0; s[i]; i++) 1474
1157 free(s[i]); 1475 rxvt_freecommastring (s);
1158 free(s);
1159 1476
1160 if (found) 1477 if (found)
1161 return; 1478 goto done;
1162 } 1479 }
1163 1480
1164/* try with XMODIFIERS env. var. */ 1481 /* try with XMODIFIERS env. var. */
1165 if ((p = XSetLocaleModifiers ("")) && *p 1482 if (IM_get_IC (""))
1166 && rxvt_IM_get_IC (aR)) 1483 goto done;
1484
1485 /* try with no modifiers base IF the user didn't specify an IM */
1486 if (IM_get_IC ("@im=none"))
1487 goto done;
1488
1489done:
1490#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1491 if (rs[Rs_imLocale])
1492 SET_LOCALE (locale);
1493#endif
1494}
1495
1496void
1497rxvt_term::IMSetPosition ()
1498{
1499 XRectangle preedit_rect, status_rect, *needed_rect;
1500 XVaNestedList preedit_attr, status_attr;
1501
1502 if (!Input_Context
1503 || !focus
1504 || !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1505 || !IMisRunning ())
1167 return; 1506 return;
1168 1507
1169/* try with no modifiers base IF the user didn't specify an IM */ 1508 if (input_style & XIMPreeditPosition)
1170 if ((p = XSetLocaleModifiers ("@im=none")) && *p 1509 {
1171 && rxvt_IM_get_IC (aR) == True) 1510 im_set_size (preedit_rect);
1511 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1512
1513 XSetICValues (Input_Context,
1514 XNPreeditAttributes, preedit_attr, NULL);
1515 }
1516 else
1517 {
1518 /* Getting the necessary width of preedit area */
1519 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1520 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1521 XFree (status_attr);
1522
1523 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1524 XFree (needed_rect);
1525
1526 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1527 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1528
1529 XSetICValues (Input_Context,
1530 XNPreeditAttributes, preedit_attr,
1531 XNStatusAttributes, status_attr,
1532 NULL);
1533
1534 XFree (status_attr);
1535 }
1536
1537 XFree (preedit_attr);
1538}
1539#endif /* USE_XIM */
1540
1541void
1542rxvt_term::get_window_origin (int &x, int &y)
1543{
1544 Window cr;
1545 XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
1546/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
1547}
1548
1549Pixmap
1550rxvt_term::get_pixmap_property (int prop_id)
1551{
1552 if (prop_id > 0 && prop_id < NUM_XA)
1553 if (xa[prop_id])
1554 {
1555 int aformat;
1556 unsigned long nitems, bytes_after;
1557 Atom atype;
1558 unsigned char *prop = NULL;
1559 int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
1560 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1561 &nitems, &bytes_after, &prop);
1562 if (result == Success && prop && atype == XA_PIXMAP)
1563 return *(Pixmap *)prop;
1564 }
1565
1566 return None;
1567}
1568
1569#ifdef HAVE_BG_PIXMAP
1570# if TRACE_PIXMAPS
1571# undef update_background
1572void
1573rxvt_term::trace_update_background (const char *file, int line)
1574{
1575 fprintf (stderr, "%s:%d:update_background()\n", file, line);
1576 update_background ();
1577}
1578# endif
1579
1580void
1581rxvt_term::update_background ()
1582{
1583 if (update_background_ev.is_active ())
1172 return; 1584 return;
1173}
1174 1585
1175/* 1586 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 1587
1194 D_MAIN((stderr, "rxvt_IM_get_IC()")); 1588 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 1589
1199 xim_styles = NULL; 1590 if (to_wait <= 0.)
1200 if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL) 1591 bgPixmap.render ();
1201 || !xim_styles || !xim_styles->count_styles) { 1592 else
1202 XCloseIM(xim); 1593 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} 1594}
1292 1595
1293/* EXTPROTO */
1294void 1596void
1295rxvt_IMSetStatusPosition(pR) 1597rxvt_term::update_background_cb (ev::timer &w, int revents)
1296{ 1598{
1297 XRectangle preedit_rect, status_rect, *needed_rect; 1599 make_current ();
1298 XVaNestedList preedit_attr, status_attr;
1299 1600
1300 if (R->Input_Context == NULL 1601 update_background_ev.stop ();
1301 || !R->TermWin.focus || !(R->input_style & XIMPreeditArea) 1602 bgPixmap.render ();
1302 || !rxvt_IMisRunning(aR)) 1603 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} 1604}
1322#endif /* USE_XIM */
1323 1605
1324/*----------------------------------------------------------------------*/ 1606#endif /* HAVE_BG_PIXMAP */
1325rxvt_t rxvt_current_term;
1326 1607
1327/*----------------------- end-of-file (C source) -----------------------*/ 1608/*----------------------- end-of-file (C source) -----------------------*/

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines