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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.8 by pcg, Thu Nov 27 10:12:10 2003 UTC vs.
Revision 1.320 by sf-exg, Sat Jan 30 20:43:56 2010 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: main.c 2 * File: main.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: main.C,v 1.8 2003/11/27 10:12:10 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{ 186#endif
187 child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
188 flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
189 destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
190 pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
191 incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
192 termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
193 vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
194
73 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;
74} 214}
75 215
76rxvt_term::~rxvt_term () 216rxvt_term::~rxvt_term ()
77{ 217{
78 rxvt_scr_release (this); 218 termlist.erase (find (termlist.begin (), termlist.end(), this));
79 219
80#ifndef NO_SETOWNER_TTYDEV 220 emergency_cleanup ();
81 rxvt_privileged_ttydev (this, RESTORE); 221
222#if ENABLE_STYLES
223 for (int i = RS_styleCount; --i; )
224 if (fontset[i] != fontset[0])
225 delete fontset[i];
82#endif 226#endif
83#ifdef UTMP_SUPPORT 227 delete fontset[0];
84 rxvt_privileged_utmp (this, RESTORE); 228
229#ifdef HAVE_BG_PIXMAP
230 bgPixmap.destroy ();
85#endif 231#endif
232#ifdef HAVE_AFTERIMAGE
233 if (asv)
234 destroy_asvisual (asv, 0);
235 if (asimman)
236 destroy_image_manager (asimman, 0);
237#endif
238
239 if (display)
240 {
241 selection_clear ();
242 selection_clear (true);
243
86#ifdef USE_XIM 244#ifdef USE_XIM
87 if (Input_Context != NULL) 245 im_destroy ();
246#endif
247 scrollBar.destroy ();
248 if (gc) XFreeGC (dpy, gc);
249
250 delete drawable;
251 // destroy all windows
252 if (parent[0])
253 XDestroyWindow (dpy, parent[0]);
254
255 for (int i = 0; i < TOTAL_COLORS; i++)
256 if (ISSET_PIXCOLOR (i))
257 {
258 pix_colors_focused [i].free (this);
259#if OFF_FOCUS_FADING
260 pix_colors_unfocused [i].free (this);
261#endif
262 }
263
264 clear ();
265
266 display->flush (); /* ideally .put should do this */
267 displays.put (display);
88 { 268 }
89 XDestroyIC (Input_Context);
90 Input_Context = NULL;
91 }
92#endif
93 269
94 if (cmd_fd >= 0) 270 scr_release ();
95 close (cmd_fd);
96 271
97 if (Xfd >= 0) 272 /* clear all resources */
98 XCloseDisplay (Xdisplay); 273 for (int i = 0; i < allocated.size (); i++)
274 free (allocated [i]);
99 275
100 delete PixColors; 276 free (selection.text);
277 free (selection.clip_text);
278 // TODO: manage env vars in child only(!)
279 free (env_display);
280 free (env_term);
281 free (locale);
282 free (v_buffer);
283 free (incr_buf);
284
285 delete envv;
286 delete argv;
287
288#ifdef KEYSYM_RESOURCE
289 delete keyboard;
290#endif
291#ifndef NO_RESOURCES
292 XrmDestroyDatabase (option_db);
293#endif
294}
295
296// child has exited, usually destroys
297void
298rxvt_term::child_cb (ev::child &w, int status)
299{
300 HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
301
302 cmd_pid = 0;
303
304 if (!option (Opt_hold))
305 destroy ();
101} 306}
102 307
103void 308void
104rxvt_term::destroy () 309rxvt_term::destroy ()
105{ 310{
311 if (destroy_ev.is_active ())
312 return;
313
314 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
315
316#if ENABLE_OVERLAY
317 scr_overlay_off ();
318#endif
319
320 if (display)
321 {
322#if USE_XIM
323 im_ev.stop (display);
324#endif
325 scrollbar_ev.stop (display);
326#if ENABLE_TRANSPARENCY || ENABLE_PERL
327 rootwin_ev.stop (display);
328#endif
329 incr_ev.stop ();
330 termwin_ev.stop (display);
331 vt_ev.stop (display);
332 }
333
334 flush_ev.stop ();
106 pty_ev.stop (); 335 pty_ev.stop ();
107 x_ev.stop ();
108#ifdef CURSOR_BLINK 336#ifdef CURSOR_BLINK
337 cursor_blink_ev.stop ();
338#endif
339#ifdef TEXT_BLINK
109 blink_ev.stop (); 340 text_blink_ev.stop ();
341#endif
342#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
343 cont_scroll_ev.stop ();
344#endif
345#ifdef SELECTION_SCROLLING
346 sel_scroll_ev.stop ();
110#endif 347#endif
111#ifdef POINTER_BLANK 348#ifdef POINTER_BLANK
112 pointer_ev.stop (); 349 pointer_ev.stop ();
113#endif 350#endif
114 351
115 destroy_ev.start (0); 352 destroy_ev.start ();
116} 353}
117 354
118void 355void
119rxvt_term::destroy_cb (time_watcher &w) 356rxvt_term::destroy_cb (ev::idle &w, int revents)
120{ 357{
121 SET_R (this); 358 make_current ();
122 359
123 delete this; 360 delete this;
124}
125
126/*----------------------------------------------------------------------*/
127/* rxvt_init() */
128/* LIBPROTO */
129rxvt_t
130rxvt_init(int argc, const char *const *argv)
131{
132 SET_R(new rxvt_term);
133 dR;
134
135 if (!R->init_vars () || !R->init (argc, argv))
136 {
137 delete R;
138 return NULL;
139 }
140
141 return R;
142}
143
144/* EXTPROTO */
145void
146rxvt_init_signals ()
147{
148/* install exit handler for cleanup */
149#if 0
150#ifdef HAVE_ATEXIT
151 atexit(rxvt_clean_exit);
152#else
153# ifdef HAVE_ON_EXIT
154 on_exit(rxvt_clean_exit, NULL); /* non-ANSI exit handler */
155# endif
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 = rxvt_Exit_signal; sigaction (SIGHUP , &sa, 0); //TODO, also: SIGPIPE
164 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
165 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
166 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
167 sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
168
169/* need to trap SIGURG for SVR4 (Unixware) rlogin */
170/* signal (SIGURG, SIG_DFL); */
171
172 XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
173 //XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
174}
175
176bool
177rxvt_term::init (int argc, const char *const *argv)
178{
179 dR;//TODO (scrollbar, setidle)
180
181 /*
182 * Save and then give up any super-user privileges
183 * If we need privileges in any area then we must specifically request it.
184 * We should only need to be root in these cases:
185 * 1. write utmp entries on some systems
186 * 2. chown tty on some systems
187 */
188 rxvt_privileges (this, SAVE);
189 rxvt_privileges (this, IGNORE);
190
191 rxvt_init_secondary (this);
192
193 const char **cmd_argv = rxvt_init_resources (this, argc, argv);
194
195#if (MENUBAR_MAX)
196 rxvt_menubar_read (this, rs[Rs_menu]);
197#endif
198#ifdef HAVE_SCROLLBARS
199 if (Options & Opt_scrollBar)
200 scrollbar_setIdle (); /* set existence for size calculations */
201#endif
202
203 rxvt_Create_Windows (this, argc, argv);
204
205 rxvt_init_xlocale (this);
206
207 rxvt_scr_reset (this); /* initialize screen */
208#ifdef RXVT_GRAPHICS
209 rxvt_Gr_reset (this); /* reset graphics */
210#endif
211
212#if 0
213#ifdef DEBUG_X
214 XSynchronize(Xdisplay, True);
215#endif
216#endif
217
218#ifdef HAVE_SCROLLBARS
219 if (Options & Opt_scrollBar)
220 rxvt_Resize_scrollBar (this); /* create and map scrollbar */
221#endif
222#if (MENUBAR_MAX)
223 if (menubar_visible(r))
224 XMapWindow (Xdisplay, menuBar.win);
225#endif
226#ifdef TRANSPARENT
227 if (Options & Opt_transparent)
228 {
229 XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
230 rxvt_check_our_parents (this);
231 }
232#endif
233 XMapWindow (Xdisplay, TermWin.vt);
234 XMapWindow (Xdisplay, TermWin.parent[0]);
235
236 rxvt_init_env (this);
237 rxvt_init_command (this, cmd_argv);
238
239 x_ev.start (Xfd, EVENT_READ);
240 pty_ev.start (cmd_fd, EVENT_READ);
241
242 flush ();
243
244 return true;
245}
246
247/* ------------------------------------------------------------------------- *
248 * SIGNAL HANDLING & EXIT HANDLER *
249 * ------------------------------------------------------------------------- */
250/*
251 * Catch a SIGCHLD signal and exit if the direct child has died
252 */
253/* ARGSUSED */
254/* EXTPROTO */
255RETSIGTYPE
256rxvt_Child_signal(int sig __attribute__ ((unused)))
257{
258 int pid, save_errno = errno;
259 while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
260 ;
261 errno = save_errno;
262
263#if 0
264 if (pid == R->cmd_pid)
265 exit (EXIT_SUCCESS);
266#endif
267}
268
269/*
270 * Catch a fatal signal and tidy up before quitting
271 */
272/* EXTPROTO */
273RETSIGTYPE
274rxvt_Exit_signal(int sig)
275{
276 signal(sig, SIG_DFL);
277#ifdef DEBUG_CMD
278 rxvt_print_error("signal %d", sig);
279#endif
280 rxvt_clean_exit();
281 kill(getpid(), sig);
282}
283
284/* ARGSUSED */
285/* INTPROTO */
286int
287rxvt_xerror_handler(const Display * display
288 __attribute__ ((unused)), const XErrorEvent * event)
289{
290 dR;
291
292 if (R->allowedxerror == -1)
293 R->allowedxerror = event->error_code;
294 else
295 {
296 rxvt_print_error("XError: Request: %d . %d, Error: %d",
297 event->request_code, event->minor_code,
298 event->error_code);
299
300 R->destroy ();
301 }
302
303 return 0;
304} 361}
305 362
306/*----------------------------------------------------------------------*/ 363/*----------------------------------------------------------------------*/
307/* 364/*
308 * Exit gracefully, clearing the utmp entry and restoring tty attributes 365 * Exit gracefully, clearing the utmp entry and restoring tty attributes
309 * TODO: if debugging, this should free up any known resources if we can 366 * TODO: if debugging, this should free up any known resources if we can
310 */ 367 */
311/* EXTPROTO */ 368static XErrorHandler old_xerror_handler;
312void
313rxvt_clean_exit ()
314{
315 dR;
316 369
317 R->destroy (); 370static void
318} 371rxvt_emergency_cleanup ()
319
320/* ------------------------------------------------------------------------- *
321 * MEMORY ALLOCATION WRAPPERS *
322 * ------------------------------------------------------------------------- */
323/* EXTPROTO */
324void *
325rxvt_malloc(size_t size)
326{ 372{
327 void *p; 373 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
328 374 (*t)->emergency_cleanup ();
329 p = malloc(size);
330 if (p)
331 return p;
332
333 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
334 rxvt_clean_exit();
335 exit(EXIT_FAILURE);
336/* NOTREACHED */
337} 375}
338 376
339/* EXTPROTO */ 377#if !ENABLE_MINIMAL
340void * 378static void
341rxvt_calloc(size_t number, size_t size) 379print_x_error (Display *dpy, XErrorEvent *event)
342{ 380{
343 void *p; 381 char buffer[BUFSIZ];
344 382 char mesg[BUFSIZ];
345 p = calloc(number, size); 383 char number[32];
346 if (p) 384 char *mtype = "XlibMessage";
347 return p; 385 XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
348 386 XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
349 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting"); 387 rxvt_warn ("An X Error occured, trying to continue after report.\n");
350 rxvt_clean_exit(); 388 rxvt_warn ("%s: %s\n", mesg, buffer);
351 exit(EXIT_FAILURE); 389 XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
352/* NOTREACHED */ 390 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
391 sprintf(number, "%d", event->request_code);
392 XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
393 rxvt_warn ("(which is %s)\n", buffer);
394 if (event->request_code >= 128) {
395 XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
396 mesg, BUFSIZ);
397 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
398 }
399 if ((event->error_code == BadWindow) ||
400 (event->error_code == BadPixmap) ||
401 (event->error_code == BadCursor) ||
402 (event->error_code == BadFont) ||
403 (event->error_code == BadDrawable) ||
404 (event->error_code == BadColor) ||
405 (event->error_code == BadGC) ||
406 (event->error_code == BadIDChoice) ||
407 (event->error_code == BadValue) ||
408 (event->error_code == BadAtom)) {
409 if (event->error_code == BadValue)
410 XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
411 mesg, BUFSIZ);
412 else if (event->error_code == BadAtom)
413 XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
414 mesg, BUFSIZ);
415 else
416 XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
417 mesg, BUFSIZ);
418 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
419 }
420 XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
421 mesg, BUFSIZ);
422 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
353} 423}
354
355/* EXTPROTO */
356void *
357rxvt_realloc(void *ptr, size_t size)
358{
359 void *p;
360
361 if (ptr)
362 p = realloc(ptr, size);
363 else
364 p = malloc(size);
365 if (p)
366 return p;
367
368 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
369 rxvt_clean_exit();
370 exit(EXIT_FAILURE);
371/* NOTREACHED */
372}
373
374/* ------------------------------------------------------------------------- *
375 * PRIVILEGED OPERATIONS *
376 * ------------------------------------------------------------------------- */
377/* take care of suid/sgid super-user (root) privileges */
378/* INTPROTO */
379void
380rxvt_privileges(pR_ int mode)
381{
382#if ! defined(__CYGWIN32__)
383# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
384/* setreuid() is the poor man's setuid(), seteuid() */
385# define seteuid(a) setreuid(-1, (a))
386# define setegid(a) setregid(-1, (a))
387# define HAVE_SETEUID
388# endif 424#endif
389# ifdef HAVE_SETEUID 425
390 switch (mode) { 426int
391 case IGNORE: 427rxvt_xerror_handler (Display *display, XErrorEvent *event)
392 /* 428{
393 * change effective uid/gid - not real uid/gid - so we can switch 429 if (GET_R->allowedxerror == -1)
394 * back to root later, as required 430 GET_R->allowedxerror = event->error_code;
395 */ 431 else
396 seteuid(getuid());
397 setegid(getgid());
398 break;
399 case SAVE:
400 R->euid = geteuid();
401 R->egid = getegid();
402 break;
403 case RESTORE:
404 seteuid(R->euid);
405 setegid(R->egid);
406 break;
407 } 432 {
433 // GET_R is most likely not the terminal which caused the error,
434 // so just output the error and continue
435#if ENABLE_MINIMAL
436 old_xerror_handler (display, event);
408# else 437#else
409 switch (mode) { 438 print_x_error (display, event);
410 case IGNORE:
411 setuid(getuid());
412 setgid(getgid());
413 /* FALLTHROUGH */
414 case SAVE:
415 /* FALLTHROUGH */
416 case RESTORE:
417 break;
418 }
419# endif 439#endif
420#endif 440 }
421}
422 441
423#ifdef UTMP_SUPPORT 442 return 0;
424/* EXTPROTO */ 443}
425void
426rxvt_privileged_utmp(pR_ char action)
427{
428 D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
429 action, R->next_utmp_action, getpid()));
430 if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
431 || (R->Options & Opt_utmpInhibit)
432 || R->ttydev == NULL || *R->ttydev == '\0')
433 return;
434 444
435 rxvt_privileges(aR_ RESTORE); 445int
436 if (action == SAVE) { 446rxvt_xioerror_handler (Display *display)
437 R->next_utmp_action = RESTORE; 447{
438 rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]); 448 rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
439 } else { /* action == RESTORE */ 449 DisplayString (display));
440 R->next_utmp_action = IGNORE; 450 rxvt_emergency_cleanup ();
441 rxvt_cleanutent(aR); 451 _exit (EXIT_FAILURE);
452}
453
454static struct sig_handlers
455{
456 ev::sig sw_term, sw_int;
457
458 /*
459 * Catch a fatal signal and tidy up before quitting
460 */
461 void sig_term (ev::sig &w, int revents);
462
463 sig_handlers ()
464 {
465 sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
466 sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
442 } 467 }
443 rxvt_privileges(aR_ IGNORE); 468} sig_handlers;
444}
445#endif
446 469
447#ifndef NO_SETOWNER_TTYDEV
448/* EXTPROTO */
449void 470void
450rxvt_privileged_ttydev(pR_ char action) 471sig_handlers::sig_term (ev::sig &w, int revents)
451{ 472{
452 D_MAIN((stderr, 473 rxvt_emergency_cleanup ();
453 "rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)", 474 w.stop ();
454 action, R->next_tty_action, getpid())); 475 kill (getpid (), w.signum);
455 if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
456 || R->ttydev == NULL || *R->ttydev == '\0')
457 return;
458
459 rxvt_privileges(aR_ RESTORE);
460
461 if (action == SAVE) {
462 R->next_tty_action = RESTORE;
463# ifndef RESET_TTY_TO_COMMON_DEFAULTS
464/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
465 if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
466 R->next_tty_action = IGNORE;
467 else
468# endif
469 {
470 chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
471 chmod(R->ttydev, R->ttymode);
472# ifdef HAVE_REVOKE
473 revoke(R->ttydev);
474# endif
475 }
476 } else { /* action == RESTORE */
477 R->next_tty_action = IGNORE;
478# ifndef RESET_TTY_TO_COMMON_DEFAULTS
479 chmod(R->ttydev, R->ttyfd_stat.st_mode);
480 chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
481# else
482 chmod(R->ttydev,
483 (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
484 chown(R->ttydev, 0, 0);
485# endif
486 }
487
488 rxvt_privileges(aR_ IGNORE);
489
490# ifndef RESET_TTY_TO_COMMON_DEFAULTS
491 D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
492 action == RESTORE ? "Restoring" : (action ==
493 SAVE ? "Saving" :
494 "UNKNOWN ERROR for"), R->ttydev,
495 R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
496 R->ttyfd_stat.st_gid));
497# endif
498} 476}
499#endif 477
478char **rxvt_environ; // startup environment
479
480void
481rxvt_init ()
482{
483 ptytty::init ();
484
485 if (!ev_default_loop (0))
486 rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
487
488 rxvt_environ = environ;
489
490 signal (SIGHUP, SIG_IGN);
491 signal (SIGPIPE, SIG_IGN);
492
493 sig_handlers.sw_term.start (SIGTERM); ev_unref ();
494 sig_handlers.sw_int.start (SIGINT); ev_unref ();
495
496 /* need to trap SIGURG for SVR4 (Unixware) rlogin */
497 /* signal (SIGURG, SIG_DFL); */
498
499 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
500 // TODO: handle this with exceptions and tolerate the memory loss
501 XSetIOErrorHandler (rxvt_xioerror_handler);
502
503 XrmInitialize ();
504}
500 505
501/*----------------------------------------------------------------------*/ 506/*----------------------------------------------------------------------*/
502/* 507/*
503 * window size/position calculcations for XSizeHint and other storage. 508 * window size/position calculations for XSizeHint and other storage.
504 * if width/height are non-zero then override calculated width/height 509 * if width/height are non-zero then override calculated width/height
505 */ 510 */
506/* EXTPROTO */
507void 511void
508rxvt_window_calc(pR_ unsigned int width, unsigned int height) 512rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
509{ 513{
510 short recalc_x, recalc_y; 514 short recalc_x, recalc_y;
511 int x, y, sb_w, mb_h, flags; 515 int x, y, flags;
512 unsigned int w, h; 516 unsigned int w, h;
513 unsigned int max_width, max_height; 517 unsigned int max_width, max_height;
514 518
515 D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
516 R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
517 R->szHint.height));
518 R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; 519 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
519 R->szHint.win_gravity = NorthWestGravity; 520 szHint.win_gravity = NorthWestGravity;
520/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */ 521 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
521 522
522 recalc_x = recalc_y = 0; 523 recalc_x = recalc_y = 0;
523 flags = 0; 524 flags = 0;
525
524 if (!R->parsed_geometry) { 526 if (!parsed_geometry)
527 {
525 R->parsed_geometry = 1; 528 parsed_geometry = 1;
529
526 if (R->rs[Rs_geometry]) 530 if (rs[Rs_geometry])
527 flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h); 531 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
532
528 if (flags & WidthValue) { 533 if (flags & WidthValue)
529 R->TermWin.ncol = BOUND_POSITIVE_INT16(w); 534 {
535 if (!w)
536 rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
537
538 ncol = clamp (w, 1, std::numeric_limits<int16_t>::max ());
530 R->szHint.flags |= USSize; 539 szHint.flags |= USSize;
531 } 540 }
541
532 if (flags & HeightValue) { 542 if (flags & HeightValue)
533 R->TermWin.nrow = BOUND_POSITIVE_INT16(h); 543 {
544 if (!h)
545 rxvt_fatal ("illegal window geometry (width and height must be non-zero), aborting.\n");
546
547 nrow = clamp (h, 1, std::numeric_limits<int16_t>::max ());
534 R->szHint.flags |= USSize; 548 szHint.flags |= USSize;
535 } 549 }
550
536 if (flags & XValue) { 551 if (flags & XValue)
552 {
537 R->szHint.x = x; 553 szHint.x = x;
538 R->szHint.flags |= USPosition; 554 szHint.flags |= USPosition;
555
539 if (flags & XNegative) { 556 if (flags & XNegative)
557 {
540 recalc_x = 1; 558 recalc_x = 1;
541 R->szHint.win_gravity = NorthEastGravity; 559 szHint.win_gravity = NorthEastGravity;
542 } 560 }
543 } 561 }
562
544 if (flags & YValue) { 563 if (flags & YValue)
564 {
545 R->szHint.y = y; 565 szHint.y = y;
546 R->szHint.flags |= USPosition; 566 szHint.flags |= USPosition;
567
547 if (flags & YNegative) { 568 if (flags & YNegative)
569 {
548 recalc_y = 1; 570 recalc_y = 1;
571
549 if (R->szHint.win_gravity == NorthEastGravity) 572 if (szHint.win_gravity == NorthEastGravity)
550 R->szHint.win_gravity = SouthEastGravity; 573 szHint.win_gravity = SouthEastGravity;
551 else 574 else
552 R->szHint.win_gravity = SouthWestGravity; 575 szHint.win_gravity = SouthWestGravity;
553 } 576 }
554 } 577 }
555 } 578 }
579
556/* TODO: BOUNDS */ 580 /* TODO: BOUNDS */
557 R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth; 581 width = ncol * fwidth;
558 R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight; 582 height = nrow * fheight;
559 max_width = MAX_COLS * R->TermWin.fwidth; 583 max_width = MAX_COLS * fwidth;
560 max_height = MAX_ROWS * R->TermWin.fheight; 584 max_height = MAX_ROWS * fheight;
561 585
562 R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth; 586 szHint.base_width = szHint.base_height = 2 * int_bwidth;
563 587
564 sb_w = mb_h = 0;
565 R->window_vt_x = R->window_vt_y = 0; 588 window_vt_x = window_vt_y = int_bwidth;
566 if (scrollbar_visible(R)) { 589
590 if (scrollBar.state)
591 {
567 sb_w = scrollbar_TotalWidth(); 592 int sb_w = scrollBar.total_width ();
568 R->szHint.base_width += sb_w; 593 szHint.base_width += sb_w;
594
569 if (!(R->Options & Opt_scrollBar_right)) 595 if (!option (Opt_scrollBar_right))
570 R->window_vt_x = sb_w; 596 window_vt_x += sb_w;
571 } 597 }
572 if (menubar_visible(R)) { 598
573 mb_h = menuBar_TotalHeight();
574 R->szHint.base_height += mb_h;
575 R->window_vt_y = mb_h;
576 }
577 R->szHint.width_inc = R->TermWin.fwidth; 599 szHint.width_inc = fwidth;
578 R->szHint.height_inc = R->TermWin.fheight; 600 szHint.height_inc = fheight;
579 R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc; 601 szHint.min_width = szHint.base_width + szHint.width_inc;
580 R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc; 602 szHint.min_height = szHint.base_height + szHint.height_inc;
581 603
582 if (width && width - R->szHint.base_width < max_width) { 604 if (newwidth && newwidth - szHint.base_width < max_width)
605 {
583 R->szHint.width = width; 606 szHint.width = newwidth;
584 R->TermWin.width = width - R->szHint.base_width; 607 width = newwidth - szHint.base_width;
585 } else { 608 }
586 MIN_IT(R->TermWin.width, max_width); 609 else
610 {
611 min_it (width, max_width);
587 R->szHint.width = R->szHint.base_width + R->TermWin.width; 612 szHint.width = szHint.base_width + width;
588 } 613 }
614
589 if (height && height - R->szHint.base_height < max_height) { 615 if (newheight && newheight - szHint.base_height < max_height)
616 {
590 R->szHint.height = height; 617 szHint.height = newheight;
591 R->TermWin.height = height - R->szHint.base_height; 618 height = newheight - szHint.base_height;
592 } else { 619 }
593 MIN_IT(R->TermWin.height, max_height); 620 else
621 {
622 min_it (height, max_height);
594 R->szHint.height = R->szHint.base_height + R->TermWin.height; 623 szHint.height = szHint.base_height + height;
595 } 624 }
596 if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
597 R->window_sb_x = R->szHint.width - sb_w;
598 625
599 if (recalc_x) 626 if (recalc_x)
600 R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen) 627 szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
601 - R->szHint.width - 2 * R->TermWin.ext_bwidth); 628
602 if (recalc_y) 629 if (recalc_y)
603 R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen) 630 szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
604 - R->szHint.height - 2 * R->TermWin.ext_bwidth);
605 631
606 R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth; 632 ncol = width / fwidth;
607 R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight; 633 nrow = height / fheight;
608 D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
609 R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
610 R->szHint.height));
611 return;
612} 634}
613 635
614/*----------------------------------------------------------------------*/ 636/*----------------------------------------------------------------------*/
615/* 637/*
616 * Tell the teletype handler what size the window is. 638 * Tell the teletype handler what size the window is.
617 * Called after a window size change. 639 * Called after a window size change.
618 */ 640 */
619/* EXTPROTO */
620void 641void
621rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid) 642rxvt_term::tt_winch ()
622{ 643{
644 if (pty->pty < 0)
645 return;
646
623 struct winsize ws; 647 struct winsize ws;
624 648
625 if (fd < 0)
626 return;
627 ws.ws_col = col; 649 ws.ws_col = ncol;
628 ws.ws_row = row; 650 ws.ws_row = nrow;
629 ws.ws_xpixel = ws.ws_ypixel = 0; 651 ws.ws_xpixel = width;
630#ifndef DEBUG_SIZE 652 ws.ws_ypixel = height;
631 (void)ioctl(fd, TIOCSWINSZ, &ws); 653 ioctl (pty->pty, TIOCSWINSZ, &ws);
632#else 654
633 if (ioctl(fd, TIOCSWINSZ, &ws) < 0) { 655#if 0
634 D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd)); 656 // TIOCSWINSZ is supposed to do this automatically and correctly
635 }
636# ifdef SIGWINCH
637 else if (pid) /* force through to the command */ 657 if (cmd_pid) /* force through to the command */
638 kill(pid, SIGWINCH); 658 kill (-cmd_pid, SIGWINCH);
639# endif
640#endif 659#endif
641} 660}
642 661
643/*----------------------------------------------------------------------*/ 662/*----------------------------------------------------------------------*/
644/* rxvt_change_font() - Switch to a new font */ 663/* set_fonts () - load and set the various fonts
645/* 664 *
646 * init = 1 - initialize 665 * init = 1 - initialize
647 * 666 *
648 * fontname == FONT_UP - switch to bigger font 667 * fontname == FONT_UP - switch to bigger font
649 * fontname == FONT_DN - switch to smaller font 668 * fontname == FONT_DN - switch to smaller font
650 */ 669 */
651/* EXTPROTO */ 670bool
652void 671rxvt_term::set_fonts ()
653rxvt_change_font(pR_ int init, const char *fontname)
654{ 672{
655} 673 rxvt_fontset *fs = new rxvt_fontset (this);
674 rxvt_fontprop prop;
656 675
657/* INTPROTO */ 676 if (!fs
677 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
678 || !fs->realize_font (1))
679 {
680 delete fs;
681 return false;
682 }
683
684#if ENABLE_STYLES
685 for (int i = RS_styleCount; --i; )
686 if (fontset[i] != fontset[0])
687 delete fontset[i];
688#endif
689
690 delete fontset[0];
691 fontset[0] = fs;
692
693 prop = (*fs)[1]->properties ();
694 prop.height += lineSpace;
695 prop.width += letterSpace;
696
697 fs->set_prop (prop, false);
698
699 fwidth = prop.width;
700 fheight = prop.height;
701 fbase = prop.ascent;
702
703 for (int style = 1; style < 4; style++)
704 {
705#if ENABLE_STYLES
706 const char *res = rs[Rs_font + style];
707
708 if (res && !*res)
709 fontset[style] = fontset[0];
710 else
711 {
712 fontset[style] = fs = new rxvt_fontset (this);
713 rxvt_fontprop prop2 = prop;
714
715 if (res)
716 {
717 fs->populate (res);
718 fs->set_prop (prop2, false);
719 }
720 else
721 {
722 fs->populate (fontset[0]->fontdesc);
723
724 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
725 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
726
727 fs->set_prop (prop2, true);
728 }
729
730 }
731#else
732 fontset[style] = fontset[0];
733#endif
734 }
735
736 if (parent[0])
737 {
738 resize_all_windows (0, 0, 0);
739 scr_remap_chars ();
740 scr_touch (true);
741 }
742
743 return true;
744}
745
658void 746void
659rxvt_font_up_down(pR_ int n, int direction) 747rxvt_term::set_string_property (Atom prop, const char *str, int len)
660{ 748{
749 XChangeProperty (dpy, parent[0],
750 prop, XA_STRING, 8, PropModeReplace,
751 (const unsigned char *)str, len >= 0 ? len : strlen (str));
752}
753
754void
755rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
756{
757 wchar_t *ws = rxvt_mbstowcs (str, len);
758 char *s = rxvt_wcstoutf8 (ws);
759
760 XChangeProperty (dpy, parent[0],
761 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
762 (const unsigned char *)s, strlen (s));
763
764 free (s);
765 free (ws);
661} 766}
662 767
663/*----------------------------------------------------------------------*/ 768/*----------------------------------------------------------------------*/
664/*----------------------------------------------------------------------*/ 769/*----------------------------------------------------------------------*/
665/* xterm sequences - title, iconName, color (exptl) */ 770/* xterm sequences - title, iconName, color (exptl) */
666/* EXTPROTO */
667void 771void
668rxvt_set_title(pR_ const char *str) 772rxvt_term::set_title (const char *str)
669{ 773{
670#ifndef SMART_WINDOW_TITLE 774 set_string_property (XA_WM_NAME, str);
671 XStoreName(R->Xdisplay, R->TermWin.parent[0], str); 775#if ENABLE_EWMH
672#else 776 set_utf8_property (xa[XA_NET_WM_NAME], str);
673 char *name;
674
675 if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
676 name = NULL;
677 if (name == NULL || STRCMP(name, str))
678 XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
679 if (name)
680 XFree(name);
681#endif 777#endif
682} 778}
683 779
684/* EXTPROTO */
685void 780void
686rxvt_set_iconName(pR_ const char *str) 781rxvt_term::set_icon_name (const char *str)
687{ 782{
688#ifndef SMART_WINDOW_TITLE 783 set_string_property (XA_WM_ICON_NAME, str);
689 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str); 784#if ENABLE_EWMH
690#else 785 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
691 char *name;
692
693 if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
694 name = NULL;
695 if (name == NULL || STRCMP(name, str))
696 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
697 if (name)
698 XFree(name);
699#endif 786#endif
700} 787}
701 788
789void
790rxvt_term::set_window_color (int idx, const char *color)
791{
702#ifdef XTERM_COLOR_CHANGE 792#ifdef XTERM_COLOR_CHANGE
703/* EXTPROTO */
704void
705rxvt_set_window_color(pR_ int idx, const char *color)
706{
707 rxvt_color xcol; 793 rxvt_color xcol;
708 int i;
709 794
710 if (color == NULL || *color == '\0') 795 if (color == NULL || *color == '\0')
711 return; 796 return;
712 797
798 color = strdup (color);
799 allocated.push_back ((void *)color);
800 rs[Rs_color + idx] = color;
801
713/* handle color aliases */ 802 /* handle color aliases */
714 if (isdigit(*color)) { 803 if (isdigit (*color))
804 {
715 i = atoi(color); 805 int i = atoi (color);
716 if (i >= 8 && i <= 15) { /* bright colors */ 806
717 i -= 8; 807 if (i >= 8 && i <= 15)
718# ifndef NO_BRIGHTCOLOR 808 {
719 R->PixColors[idx] = R->PixColors[minBrightCOLOR + i]; 809 /* bright colors */
720 SET_PIXCOLOR(R, idx); 810 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
721 goto Done; 811 goto done;
722# endif
723 } 812 }
724 if (i >= 0 && i <= 7) { /* normal colors */ 813
725 R->PixColors[idx] = R->PixColors[minCOLOR + i]; 814 if (i >= 0 && i <= 7)
726 SET_PIXCOLOR(R, idx); 815 {
816 /* normal colors */
817 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
727 goto Done; 818 goto done;
728 } 819 }
729 } 820 }
730 if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
731 return;
732/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
733 821
734/* 822 set_color (xcol, color);
823
824 /*
735 * FIXME: should free colors here, but no idea how to do it so instead, 825 * FIXME: should free colors here, but no idea how to do it so instead,
736 * so just keep gobbling up the colormap 826 * so just keep gobbling up the colormap
737 */ 827 */
738# if 0
739 for (i = Color_Black; i <= Color_White; i++)
740 if (R->PixColors[idx] == R->PixColors[i])
741 break;
742 if (i > Color_White) {
743 /* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
744 XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
745 DisplayPlanes(R->Xdisplay, Xscreen));
746 }
747# endif
748 828
749 R->PixColors[idx] = xcol; 829 pix_colors_focused[idx] = xcol;
750 SET_PIXCOLOR(R, idx);
751 830
752/* XSetWindowAttributes attr; */ 831done:
753/* Cursor cursor; */
754 Done:
755 if (idx == Color_bg && !(R->Options & Opt_transparent))
756 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
757 R->PixColors[Color_bg]);
758
759/* handle Color_BD, scrollbar background, etc. */ 832 /*TODO: handle Color_BD, scrollbar background, etc. */
760 833
761 rxvt_set_colorfgbg(aR); 834 update_fade_color (idx);
762 rxvt_recolour_cursor(aR); 835 recolour_cursor ();
763/* the only reasonable way to enforce a clean update */ 836 scr_recolour ();
764 rxvt_scr_poweron(aR); 837#endif /* XTERM_COLOR_CHANGE */
765} 838}
766 839
767#else
768# define rxvt_set_window_color(aR_ idx,color) ((void)0)
769#endif /* XTERM_COLOR_CHANGE */
770
771/* EXTPROTO */
772void 840void
773rxvt_recolour_cursor(pR) 841rxvt_term::recolour_cursor ()
774{ 842{
775 rxvt_color xcol[2]; 843 XColor fg, bg;
776 844
777#if TODO 845 (ISSET_PIXCOLOR (Color_pointer_fg)
778 xcol[0] = R->PixColors[Color_pointer]; 846 ? pix_colors_focused[Color_pointer_fg]
779 xcol[1] = R->PixColors[Color_bg]; 847 : pix_colors_focused[Color_fg]).get (fg);
780 XQueryColors(R->Xdisplay, XCMAP, xcol, 2); 848
781 XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1])); 849 (ISSET_PIXCOLOR (Color_pointer_bg)
782#endif 850 ? pix_colors_focused[Color_pointer_bg]
851 : pix_colors_focused[Color_bg]).get (bg);
852
853 XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
783} 854}
784 855
785/*----------------------------------------------------------------------*/ 856/*----------------------------------------------------------------------*/
786/* 857/*
787 * find if fg/bg matches any of the normal (low-intensity) colors 858 * find if fg/bg matches any of the normal (low-intensity) colors
788 */ 859 */
789/* INTPROTO */
790void 860void
791rxvt_set_colorfgbg(pR) 861rxvt_term::set_colorfgbg ()
792{ 862{
793 unsigned int i; 863 unsigned int i;
794 const char *xpmb = "\0"; 864 const char *xpmb = "";
795 char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1]; 865 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
796 866
797 R->env_colorfgbg = 867 strcpy (fstr, "default");
798 (char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1); 868 strcpy (bstr, "default");
799 STRCPY(fstr, "default");
800 STRCPY(bstr, "default");
801 for (i = Color_Black; i <= Color_White; i++) 869 for (i = Color_Black; i <= Color_White; i++)
802 if (R->PixColors[Color_fg] == R->PixColors[i]) { 870 if (pix_colors[Color_fg] == pix_colors[i])
871 {
803 sprintf(fstr, "%d", (i - Color_Black)); 872 sprintf (fstr, "%d", (i - Color_Black));
804 break; 873 break;
805 } 874 }
875
806 for (i = Color_Black; i <= Color_White; i++) 876 for (i = Color_Black; i <= Color_White; i++)
807 if (R->PixColors[Color_bg] == R->PixColors[i]) { 877 if (pix_colors[Color_bg] == pix_colors[i])
878 {
808 sprintf(bstr, "%d", (i - Color_Black)); 879 sprintf (bstr, "%d", (i - Color_Black));
809#ifdef XPM_BACKGROUND 880#ifdef BG_IMAGE_FROM_FILE
810 xpmb = "default;"; 881 xpmb = "default;";
811#endif 882#endif
812 break; 883 break;
813 } 884 }
885
814 sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); 886 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
815 putenv(R->env_colorfgbg);
816
817#ifndef NO_BRIGHTCOLOR
818 R->colorfgbg = DEFAULT_RSTYLE;
819 for (i = minCOLOR; i <= maxCOLOR; i++) {
820 if (R->PixColors[Color_fg] == R->PixColors[i])
821 R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
822 if (R->PixColors[Color_bg] == R->PixColors[i])
823 R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
824 }
825#endif
826} 887}
827 888
828/*----------------------------------------------------------------------*/ 889/*----------------------------------------------------------------------*/
829/*
830 * Colour determination for low colour displays, routine from
831 * Hans de Goede <hans@highrise.nl>
832 */
833 890
834/* EXTPROTO */ 891bool
835int 892rxvt_term::set_color (rxvt_color &color, const char *name)
836rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
837{ 893{
838 screen_in_out->set(aR_ colour); 894 if (color.set (this, name))
839
840 if (!screen_in_out->set(aR_ colour)) {
841 rxvt_print_error("can't allocate colour: %s", colour);
842 return false;
843 }
844
845 return true; 895 return true;
896
897 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
898 return false;
899}
900
901void
902rxvt_term::alias_color (int dst, int src)
903{
904 pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
846} 905}
847 906
848/* -------------------------------------------------------------------- * 907/* -------------------------------------------------------------------- *
849 * - WINDOW RESIZING - * 908 * - WINDOW RESIZING - *
850 * -------------------------------------------------------------------- */ 909 * -------------------------------------------------------------------- */
851/* EXTPROTO */
852void 910void
853rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height, 911rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
854 int ignoreparent)
855{ 912{
856 int fix_screen; 913 int fix_screen;
914 int old_width = szHint.width;
915 int old_height = szHint.height;
857 916
917 window_calc (newwidth, newheight);
918
919 bool set_hint = !HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END));
920
921 // to avoid races between us and the wm, we clear the incremental size hints around the xresizewindow
922 if (set_hint)
923 {
924 szHint.flags &= ~(PBaseSize | PResizeInc);
925 XSetWMNormalHints (dpy, parent[0], &szHint);
926 szHint.flags |= PBaseSize | PResizeInc;
927 }
928
929 if (!ignoreparent)
930 {
858#ifdef SMART_RESIZE 931#ifdef SMART_RESIZE
859 int old_width = R->szHint.width, old_height = R->szHint.height; 932 /*
860#endif
861
862 rxvt_window_calc(aR_ width, height);
863 XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
864 if (!ignoreparent) {
865#ifdef SMART_RESIZE
866/*
867 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> 933 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
868 * reposition window on resize depending on placement on screen 934 * reposition window on resize depending on placement on screen
869 */ 935 */
870 int x, y, x1, y1; 936 int x, y, x1, y1;
871 int dx, dy; 937 int dx, dy;
872 unsigned int unused_w1, unused_h1, unused_b1, unused_d1; 938 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
873 Window unused_cr; 939 Window unused_cr;
874 940
875 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot, 941 XTranslateCoordinates (dpy, parent[0], display->root,
876 0, 0, &x, &y, &unused_cr); 942 0, 0, &x, &y, &unused_cr);
877 XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1, 943 XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
878 &unused_w1, &unused_h1, &unused_b1, &unused_d1); 944 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
879 /* 945 /*
880 * if Xroot isn't the parent window, a WM will probably have offset 946 * if display->root isn't the parent window, a WM will probably have offset
881 * our position for handles and decorations. Counter it 947 * our position for handles and decorations. Counter it
882 */ 948 */
883 if (x1 != x || y1 != y) { 949 if (x1 != x || y1 != y)
950 {
884 x -= x1; 951 x -= x1;
885 y -= y1; 952 y -= y1;
886 } 953 }
887 954
888 x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2; 955 x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
889 y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2; 956 y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
890 dx = old_width - R->szHint.width; 957 dx = old_width - szHint.width;
891 dy = old_height - R->szHint.height; 958 dy = old_height - szHint.height;
892 959
893 /* Check position of the center of the window */ 960 /* Check position of the center of the window */
894 if (x < x1) /* left half */ 961 if (x < x1) /* left half */
895 dx = 0; 962 dx = 0;
896 else if (x == x1) /* exact center */ 963 else if (x == x1) /* exact center */
897 dx /= 2; 964 dx /= 2;
898 if (y < y1) /* top half */ 965 if (y < y1) /* top half */
899 dy = 0; 966 dy = 0;
900 else if (y == y1) /* exact center */ 967 else if (y == y1) /* exact center */
901 dy /= 2; 968 dy /= 2;
902 969
903 XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy, 970 XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
904 R->szHint.width, R->szHint.height); 971 szHint.width, szHint.height);
905#else 972#else
906 XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width, 973 XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
907 R->szHint.height);
908#endif 974#endif
909 } 975 }
910 976
911 fix_screen = (R->TermWin.ncol != R->prev_ncol 977 if (set_hint)
912 || R->TermWin.nrow != R->prev_nrow); 978 XSetWMNormalHints (dpy, parent[0], &szHint);
979
980 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
981
913 if (fix_screen || width != R->old_width || height != R->old_height) { 982 if (fix_screen || newwidth != old_width || newheight != old_height)
914 if (scrollbar_visible(R)) {
915 XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
916 0, scrollbar_TotalWidth(), R->szHint.height);
917 rxvt_Resize_scrollBar(aR);
918 }
919 if (menubar_visible(R))
920 XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
921 0, TermWin_TotalWidth(), menuBar_TotalHeight());
922 XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
923 R->window_vt_y, TermWin_TotalWidth(),
924 TermWin_TotalHeight());
925#ifdef RXVT_GRAPHICS
926 if (R->old_height)
927 rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
928 R->old_height - R->szHint.base_height);
929#endif
930 rxvt_scr_clear(aR);
931#ifdef XPM_BACKGROUND
932 rxvt_resize_pixmap(aR);
933#endif
934 } 983 {
984 if (scrollBar.state)
985 scrollBar.resize ();
935 986
987 XMoveResizeWindow (dpy, vt,
988 window_vt_x, window_vt_y,
989 width, height);
990
991#ifdef HAVE_BG_PIXMAP
992 if (bgPixmap.window_size_sensitive ())
993 update_background ();
994#endif
995 }
996
936 if (fix_screen || R->old_height == 0) { 997 if (fix_screen || old_height == 0)
937 int curr_screen = -1; 998 scr_reset ();
938 uint16_t old_ncol = R->prev_ncol;
939 999
940 /* scr_reset only works on the primary screen */ 1000 // TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
941 if (R->old_height) /* this is not the first time through */ 1001 //scr_touch (false);
942 curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
943 rxvt_scr_reset(aR);
944 if (curr_screen >= 0) { /* this is not the first time through */
945 rxvt_scr_change_screen(aR_ curr_screen);
946 rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
947 }
948 }
949 1002
950 R->old_width = R->szHint.width; 1003#ifdef HAVE_BG_PIXMAP
951 R->old_height = R->szHint.height; 1004// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
1005// if (bgPixmap.pixmap)
1006// scr_touch (false);
1007#endif
952 1008
953#ifdef USE_XIM 1009#ifdef USE_XIM
954 rxvt_IMSetStatusPosition(aR); 1010 IMSetPosition ();
955#endif 1011#endif
956} 1012}
957 1013
958/* 1014/*
959 * Set the width/height of the vt window in characters. Units are pixels. 1015 * Set the width/height of the vt window in characters. Units are pixels.
960 * good for toggling 80/132 columns 1016 * good for toggling 80/132 columns
961 */ 1017 */
962/* EXTPROTO */
963void 1018void
964rxvt_set_widthheight(pR_ unsigned int width, unsigned int height) 1019rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
965{ 1020{
966 XWindowAttributes wattr; 1021 XWindowAttributes wattr;
967 1022
968 if (width == 0 || height == 0) { 1023 if (newwidth == 0 || newheight == 0)
1024 {
969 XGetWindowAttributes(R->Xdisplay, Xroot, &wattr); 1025 XGetWindowAttributes (dpy, display->root, &wattr);
1026
970 if (width == 0) 1027 if (newwidth == 0)
971 width = wattr.width - R->szHint.base_width; 1028 newwidth = wattr.width - szHint.base_width;
972 if (height == 0) 1029 if (newheight == 0)
973 height = wattr.height - R->szHint.base_height; 1030 newheight = wattr.height - szHint.base_height;
1031 }
1032
1033 if (newwidth != width || newheight != height)
974 } 1034 {
975 if (width != R->TermWin.width || height != R->TermWin.height) {
976 width += R->szHint.base_width; 1035 newwidth += szHint.base_width;
977 height += R->szHint.base_height; 1036 newheight += szHint.base_height;
978 rxvt_resize_all_windows(aR_ width, height, 0); 1037 resize_all_windows (newwidth, newheight, 0);
979 } 1038 }
980} 1039}
981 1040
982/* -------------------------------------------------------------------- * 1041/* -------------------------------------------------------------------- *
983 * - X INPUT METHOD ROUTINES - * 1042 * - X INPUT METHOD ROUTINES - *
984 * -------------------------------------------------------------------- */ 1043 * -------------------------------------------------------------------- */
985#ifdef USE_XIM 1044#ifdef USE_XIM
986/* INTPROTO */
987void
988rxvt_setSize(pR_ XRectangle * size)
989{
990 size->x = R->TermWin.int_bwidth;
991 size->y = R->TermWin.int_bwidth;
992 size->width = Width2Pixel(R->TermWin.ncol);
993 size->height = Height2Pixel(R->TermWin.nrow);
994}
995 1045
996/* INTPROTO */
997void 1046void
998rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg) 1047rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
999{ 1048{
1000 *fg = R->PixColors[Color_fg]; 1049 fg = pix_colors [Color_fg];
1001 *bg = R->PixColors[Color_bg]; 1050 bg = pix_colors [Color_bg];
1051}
1052
1053void
1054rxvt_term::im_set_size (XRectangle &size)
1055{
1056 // the int_bwidth terms make no sense to me
1057 size.x = int_bwidth;
1058 size.y = int_bwidth;
1059 size.width = Width2Pixel (ncol) + int_bwidth;
1060 size.height = Height2Pixel (nrow) + int_bwidth;
1061}
1062
1063void
1064rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1065 XRectangle &status_rect,
1066 const XRectangle &needed_rect)
1067{
1068 preedit_rect.x = needed_rect.width;
1069 preedit_rect.y = 0;
1070 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1071 preedit_rect.height = fheight;
1072
1073 status_rect.x = 0;
1074 status_rect.y = 0;
1075 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1076 status_rect.height = fheight;
1002} 1077}
1003 1078
1004/* Checking whether input method is running. */ 1079/* Checking whether input method is running. */
1005/* INTPROTO */
1006Bool 1080bool
1007rxvt_IMisRunning(pR) 1081rxvt_term::IMisRunning ()
1008{ 1082{
1009 char *p; 1083 Atom atom;
1010 Atom atom; 1084 Window win;
1011 Window win;
1012 char server[IMBUFSIZ]; 1085 char server[IMBUFSIZ];
1013 1086
1014/* get current locale modifier */ 1087 /* get current locale modifier */
1015 if ((p = XSetLocaleModifiers(NULL)) != NULL) { 1088 if (char *p = XSetLocaleModifiers (0))
1089 {
1016 STRCPY(server, "@server="); 1090 strcpy (server, "@server=");
1017 STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */ 1091 strncat (server, p + 4, IMBUFSIZ - 9); /* skip "@im=" */
1092
1018 if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */ 1093 if (p = strchr (server + 1, '@')) /* first one only */
1019 *p = '\0'; 1094 *p = '\0';
1020 1095
1021 atom = XInternAtom(R->Xdisplay, server, False); 1096 atom = XInternAtom (dpy, server, False);
1022 win = XGetSelectionOwner(R->Xdisplay, atom); 1097 win = XGetSelectionOwner (dpy, atom);
1098
1023 if (win != None) 1099 if (win != None)
1024 return True; 1100 return True;
1025 } 1101 }
1102
1026 return False; 1103 return False;
1027} 1104}
1028 1105
1029/* EXTPROTO */
1030void 1106void
1031rxvt_IMSendSpot(pR) 1107rxvt_term::IMSendSpot ()
1032{ 1108{
1033 XPoint spot; 1109 XPoint nspot;
1034 XVaNestedList preedit_attr; 1110 XVaNestedList preedit_attr;
1035 1111
1036 if (R->Input_Context == NULL 1112 if (!Input_Context
1037 || !R->TermWin.focus || !(R->input_style & XIMPreeditPosition) 1113 || !focus
1038 || !(R->event_type == KeyPress 1114 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1039 || R->event_type == Expose
1040 || R->event_type == NoExpose
1041 || R->event_type == SelectionNotify
1042 || R->event_type == ButtonRelease || R->event_type == FocusIn)
1043 || !rxvt_IMisRunning(aR))
1044 return; 1115 return;
1045 1116
1046 rxvt_setPosition(aR_ & spot); 1117 im_set_position (nspot);
1047 1118
1119 if (nspot.x == spot.x && nspot.y == spot.y)
1120 return;
1121
1122 spot = nspot;
1123
1048 preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL); 1124 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1049 XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL); 1125 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1050 XFree(preedit_attr); 1126 XFree (preedit_attr);
1051} 1127}
1052 1128
1053/* EXTPROTO */
1054void 1129void
1055rxvt_setTermFontSet(pR_ int idx) 1130rxvt_term::im_destroy ()
1056{ 1131{
1057 char *string; 1132 if (input_method)
1058 long length; 1133 {
1059 int success = 0; 1134 if (Input_Context && input_method->xim)
1135 XDestroyIC (Input_Context);
1060 1136
1061 if (idx < 0 || idx >= MAX_NFONTS) 1137 display->put_xim (input_method);
1062 return; 1138 input_method = 0;
1063} 1139 }
1064 1140
1065/* INTPROTO */
1066void
1067rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1068 XRectangle * needed_rect)
1069{
1070 int mbh, vtx = 0;
1071
1072 if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1073 vtx = scrollbar_TotalWidth();
1074 mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1075 mbh -= R->TermWin.lineSpace;
1076
1077 preedit_rect->x = needed_rect->width + vtx;
1078 preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1079
1080 preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1081 + vtx;
1082 preedit_rect->height = Height2Pixel(1);
1083
1084 status_rect->x = vtx;
1085 status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1086
1087 status_rect->width = needed_rect->width ? needed_rect->width
1088 : Width2Pixel(R->TermWin.ncol + 1);
1089 status_rect->height = Height2Pixel(1);
1090}
1091
1092/* ARGSUSED */
1093/* INTPROTO */
1094void
1095rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1096 __attribute__ ((unused)), XPointer call_data
1097 __attribute__ ((unused)))
1098{
1099 dR;
1100
1101 R->Input_Context = NULL; 1141 Input_Context = 0;
1102/* To avoid Segmentation Fault in C locale: Solaris only? */
1103 if (STRCMP(R->locale, "C"))
1104 XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1105 rxvt_IMInstantiateCallback, NULL);
1106} 1142}
1107 1143
1108/* 1144#ifdef ENABLE_XIM_ONTHESPOT
1109 * X manual pages and include files don't match on some systems:
1110 * some think this is an XIDProc and others an XIMProc so we can't
1111 * use the first argument - need to update this to be nice for
1112 * both types via some sort of configure detection
1113 */
1114/* ARGSUSED */
1115/* EXTPROTO */
1116void
1117rxvt_IMInstantiateCallback(Display * unused
1118 __attribute__ ((unused)), XPointer client_data
1119 __attribute__ ((unused)), XPointer call_data
1120 __attribute__ ((unused)))
1121{
1122 dR;
1123 int i, found, had_im;
1124 const char *p;
1125 char **s;
1126 char buf[IMBUFSIZ];
1127 1145
1128 D_MAIN((stderr, "rxvt_IMInstantiateCallback()")); 1146static void
1129 if (R->Input_Context) 1147xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1130 return; 1148{
1149 ((rxvt_term *)client_data)->make_current ();
1150 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1151}
1131 1152
1132 found = had_im = 0; 1153static void
1133 p = R->rs[Rs_inputMethod]; 1154xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1134 if (p && *p) { 1155{
1135 had_im = 1; 1156 ((rxvt_term *)client_data)->make_current ();
1136 s = rxvt_splitcommastring(p); 1157 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1137 for (i = 0; s[i]; i++) { 1158}
1138 if (*s[i]) { 1159
1139 STRCPY(buf, "@im="); 1160static void
1140 STRNCAT(buf, s[i], IMBUFSIZ - 5); 1161xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1141 if ((p = XSetLocaleModifiers(buf)) != NULL && *p 1162{
1142 && (rxvt_IM_get_IC(aR) == True)) { 1163 rxvt_term *term = (rxvt_term *)client_data;
1143 found = 1; 1164 XIMText *text = call_data->text;
1144 break; 1165
1145 } 1166 term->make_current ();
1146 } 1167
1168 if (text)
1169 {
1170 wchar_t *str;
1171
1172 if (!text->encoding_is_wchar && text->string.multi_byte)
1173 {
1174 // of course, X makes it ugly again
1175 if (term->rs[Rs_imLocale])
1176 SET_LOCALE (term->rs[Rs_imLocale]);
1177
1178 str = rxvt_temp_buf<wchar_t> (text->length + 1);
1179 mbstowcs (str, text->string.multi_byte, text->length + 1);
1180
1181 if (term->rs[Rs_imLocale])
1182 SET_LOCALE (term->locale);
1147 } 1183 }
1148 for (i = 0; s[i]; i++) 1184 else
1149 free(s[i]); 1185 str = text->string.wide_char;
1150 free(s);
1151 }
1152 if (found)
1153 return;
1154 1186
1155/* try with XMODIFIERS env. var. */ 1187 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1156 if ((p = XSetLocaleModifiers("")) != NULL && *p) { 1188 DT_INT, call_data->caret,
1157 rxvt_IM_get_IC(aR); 1189 DT_INT, call_data->chg_first,
1158 return; 1190 DT_INT, call_data->chg_length,
1191 DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1192 DT_WCS_LEN, str, str ? (int)text->length : 0,
1193 DT_END));
1159 } 1194 }
1160 1195 else
1161/* try with no modifiers base IF the user didn't specify an IM */ 1196 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1162 if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p 1197 DT_INT, call_data->caret,
1163 && rxvt_IM_get_IC(aR) == True) 1198 DT_INT, call_data->chg_first,
1164 return; 1199 DT_INT, call_data->chg_length,
1200 DT_END));
1165} 1201}
1202
1203#if 0
1204static void
1205xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1206{
1207 ((rxvt_term *)client_data)->make_current ();
1208 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1209 DT_INT, call_data->position,
1210 DT_INT, call_data->direction,
1211 DT_INT, call_data->style,
1212 DT_END));
1213}
1214#endif
1215
1216#endif
1166 1217
1167/* 1218/*
1168 * Try to open a XIM with the current modifiers, then see if we can 1219 * Try to open a XIM with the current modifiers, then see if we can
1169 * open a suitable preedit type 1220 * open a suitable preedit type
1170 */ 1221 */
1171/* INTPROTO */
1172Bool 1222bool
1173rxvt_IM_get_IC(pR) 1223rxvt_term::IM_get_IC (const char *modifiers)
1174{ 1224{
1175 int i, j, found; 1225 int i, j, found;
1176 XIM xim; 1226 XIM xim;
1177 XPoint spot; 1227 XPoint spot;
1178 XRectangle rect, status_rect, needed_rect; 1228 XRectangle rect, status_rect, needed_rect;
1179 unsigned long fg, bg; 1229 unsigned long fg, bg;
1180 const char *p; 1230 const char *p;
1181 char **s; 1231 char **s;
1182 XIMStyles *xim_styles; 1232 XIMStyles *xim_styles;
1183 XVaNestedList preedit_attr, status_attr; 1233#ifdef ENABLE_XIM_ONTHESPOT
1184 XIMCallback ximcallback; 1234 XIMCallback xcb[4];
1235#endif
1185 1236
1186 D_MAIN((stderr, "rxvt_IM_get_IC()")); 1237 set_environ (envv);
1187 xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL); 1238
1188 if (xim == NULL) 1239 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1189 return False; 1240 return false;
1190 1241
1242 input_method = display->get_xim (locale, modifiers);
1243 if (input_method == NULL)
1244 return false;
1245
1246 xim = input_method->xim;
1247 spot.x = spot.y = -1;
1248
1191 xim_styles = NULL; 1249 xim_styles = NULL;
1192 if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL) 1250 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1193 || !xim_styles || !xim_styles->count_styles) { 1251 || !xim_styles || !xim_styles->count_styles)
1194 XCloseIM(xim); 1252 {
1253 im_destroy ();
1195 return False; 1254 return false;
1255 }
1256
1257 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1258
1259 for (int pi = 0; pi < 2; pi++)
1196 } 1260 {
1261 p = pet[pi];
1197 1262
1198 p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType] 1263 if (!p)
1199 : "OverTheSpot,OffTheSpot,Root"; 1264 continue;
1265
1200 s = rxvt_splitcommastring(p); 1266 s = rxvt_splitcommastring (p);
1267
1201 for (i = found = 0; !found && s[i]; i++) { 1268 for (i = found = 0; !found && s[i]; i++)
1269 {
1202 if (!STRCMP(s[i], "OverTheSpot")) 1270 if (!strcmp (s[i], "OverTheSpot"))
1203 R->input_style = (XIMPreeditPosition | XIMStatusNothing); 1271 input_style = XIMPreeditPosition | XIMStatusNothing;
1204 else if (!STRCMP(s[i], "OffTheSpot")) 1272 else if (!strcmp (s[i], "OffTheSpot"))
1205 R->input_style = (XIMPreeditArea | XIMStatusArea); 1273 input_style = XIMPreeditArea | XIMStatusArea;
1206 else if (!STRCMP(s[i], "Root")) 1274 else if (!strcmp (s[i], "Root"))
1207 R->input_style = (XIMPreeditNothing | XIMStatusNothing); 1275 input_style = XIMPreeditNothing | XIMStatusNothing;
1276 else if (!strcmp (s[i], "None"))
1277 input_style = XIMPreeditNone | XIMStatusNone;
1278#ifdef ENABLE_XIM_ONTHESPOT
1279 else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1280 input_style = XIMPreeditCallbacks | XIMStatusNothing;
1281#endif
1282 else
1283 input_style = XIMPreeditNothing | XIMStatusNothing;
1208 1284
1209 for (j = 0; j < xim_styles->count_styles; j++) 1285 for (j = 0; j < xim_styles->count_styles; j++)
1210 if (R->input_style == xim_styles->supported_styles[j]) { 1286 if (input_style == xim_styles->supported_styles[j])
1287 {
1288 rxvt_freecommastring (s);
1289
1211 found = 1; 1290 found = 1;
1291 goto foundpet;
1292 }
1293
1294 }
1295
1296 rxvt_freecommastring (s);
1297 }
1298
1299foundpet:
1300
1301 XFree (xim_styles);
1302
1303 if (!found)
1304 {
1305 im_destroy ();
1306 return false;
1307 }
1308
1309 XFontSet fs = 0;
1310 XVaNestedList preedit_attr = 0, status_attr = 0;
1311
1312 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1313 {
1314 // fake us a font-set, please
1315 char **missing_charset_list;
1316 int missing_charset_count;
1317 char *def_string;
1318 char pat[512];
1319
1320 sprintf (pat,
1321 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1322 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1323 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1324 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1325 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1326 "*",
1327 fheight,
1328 fheight + 1, fheight - 1,
1329 fheight - 2, fheight + 2);
1330
1331 fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1332 &missing_charset_list, &missing_charset_count, &def_string);
1333
1334 if (missing_charset_list)
1335 XFreeStringList (missing_charset_list);
1336
1337 if (!fs)
1338 {
1339 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1340 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1341 }
1342 }
1343
1344 if (input_style & XIMPreeditPosition)
1345 {
1346 im_set_size (rect);
1347 im_set_position (spot);
1348 im_set_color (fg, bg);
1349
1350 preedit_attr = XVaCreateNestedList (0,
1351 XNForeground, fg,
1352 XNBackground, bg,
1353 XNArea, &rect,
1354 XNSpotLocation, &spot,
1355 XNFontSet, fs,
1356 NULL);
1357 }
1358 else if (input_style & XIMPreeditArea)
1359 {
1360 im_set_color (fg, bg);
1361
1362 /*
1363 * The necessary width of preedit area is unknown
1364 * until create input context.
1365 */
1366 needed_rect.width = 0;
1367 im_set_preedit_area (rect, status_rect, needed_rect);
1368
1369 preedit_attr = XVaCreateNestedList (0,
1370 XNForeground, fg,
1371 XNBackground, bg,
1372 XNArea, &rect,
1373 XNFontSet, fs,
1374 NULL);
1375 status_attr = XVaCreateNestedList (0,
1376 XNForeground, fg,
1377 XNBackground, bg,
1378 XNArea, &status_rect,
1379 XNFontSet, fs,
1380 NULL);
1381 }
1382#if ENABLE_XIM_ONTHESPOT
1383 else if (input_style & XIMPreeditCallbacks)
1384 {
1385 im_set_position (spot);
1386
1387 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1388 xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1389 xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1390# if 0
1391 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1392# endif
1393
1394 preedit_attr = XVaCreateNestedList (0,
1395 XNSpotLocation, &spot,
1396 XNPreeditStartCallback, &xcb[0],
1397 XNPreeditDoneCallback , &xcb[1],
1398 XNPreeditDrawCallback , &xcb[2],
1399# if 0
1400 XNPreeditCaretCallback, &xcb[3],
1401# endif
1402 NULL);
1403 }
1404#endif
1405
1406 Input_Context = XCreateIC (xim,
1407 XNInputStyle, input_style,
1408 XNClientWindow, vt,
1409 XNFocusWindow, parent[0],
1410 preedit_attr ? XNPreeditAttributes : NULL,
1411 preedit_attr,
1412 status_attr ? XNStatusAttributes : NULL,
1413 status_attr, NULL);
1414
1415 if (preedit_attr) XFree (preedit_attr);
1416 if (status_attr) XFree (status_attr);
1417 if (fs) XFreeFontSet (dpy, fs);
1418
1419 if (Input_Context == NULL)
1420 {
1421 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1422 im_destroy ();
1423 return false;
1424 }
1425
1426#if 0
1427 // unfortunately, only the focus window is used by XIM, hard to fix
1428 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1429 vt_select_input ();
1430#endif
1431
1432 IMSetPosition ();
1433
1434 return true;
1435}
1436
1437void
1438rxvt_term::im_cb ()
1439{
1440 int i;
1441 const char *p;
1442 char **s;
1443 char buf[IMBUFSIZ];
1444
1445 make_current ();
1446
1447 im_destroy ();
1448
1449 if (Input_Context)
1450 return;
1451
1452#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1453 if (rs[Rs_imLocale])
1454 SET_LOCALE (rs[Rs_imLocale]);
1455#endif
1456
1457 p = rs[Rs_inputMethod];
1458 if (p && *p)
1459 {
1460 bool found = false;
1461
1462 s = rxvt_splitcommastring (p);
1463
1464 for (i = 0; s[i]; i++)
1465 {
1466 if (*s[i])
1467 {
1468 strcpy (buf, "@im=");
1469 strncat (buf, s[i], IMBUFSIZ - 5);
1470 if (IM_get_IC (buf))
1471 {
1472 found = true;
1212 break; 1473 break;
1474 }
1213 } 1475 }
1214 } 1476 }
1215 for (i = 0; s[i]; i++)
1216 free(s[i]);
1217 free(s);
1218 XFree(xim_styles);
1219 1477
1478 rxvt_freecommastring (s);
1479
1220 if (!found) { 1480 if (found)
1221 XCloseIM(xim); 1481 goto done;
1222 return False;
1223 } 1482 }
1224 1483
1225 ximcallback.callback = rxvt_IMDestroyCallback; 1484 /* try with XMODIFIERS env. var. */
1485 if (IM_get_IC (""))
1486 goto done;
1226 1487
1227/* XXX: not sure why we need this (as well as IC one below) */ 1488 /* try with no modifiers base IF the user didn't specify an IM */
1228 XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL); 1489 if (IM_get_IC ("@im=none"))
1490 goto done;
1229 1491
1230 preedit_attr = status_attr = NULL; 1492done:
1231 1493#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1232 if (R->input_style & XIMPreeditPosition) { 1494 if (rs[Rs_imLocale])
1233 rxvt_setSize(aR_ & rect); 1495 SET_LOCALE (locale);
1234 rxvt_setPosition(aR_ & spot); 1496#endif
1235 rxvt_setColor(aR_ & fg, &bg);
1236
1237 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1238 XNSpotLocation, &spot,
1239 XNForeground, fg, XNBackground, bg,
1240 //XNFontSet, R->TermWin.fontset,
1241 NULL);
1242 } else if (R->input_style & XIMPreeditArea) {
1243 rxvt_setColor(aR_ & fg, &bg);
1244
1245 /*
1246 * The necessary width of preedit area is unknown
1247 * until create input context.
1248 */
1249 needed_rect.width = 0;
1250
1251 rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1252
1253 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1254 XNForeground, fg, XNBackground, bg,
1255 //XNFontSet, R->TermWin.fontset,
1256 NULL);
1257 status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1258 XNForeground, fg, XNBackground, bg,
1259 //XNFontSet, R->TermWin.fontset,
1260 NULL);
1261 }
1262 R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1263 XNClientWindow, R->TermWin.parent[0],
1264 XNFocusWindow, R->TermWin.parent[0],
1265 XNDestroyCallback, &ximcallback,
1266 preedit_attr ? XNPreeditAttributes : NULL,
1267 preedit_attr,
1268 status_attr ? XNStatusAttributes : NULL,
1269 status_attr, NULL);
1270 if (preedit_attr)
1271 XFree(preedit_attr);
1272 if (status_attr)
1273 XFree(status_attr);
1274 if (R->Input_Context == NULL) {
1275 rxvt_print_error("failed to create input context");
1276 XCloseIM(xim);
1277 return False;
1278 }
1279 if (R->input_style & XIMPreeditArea)
1280 rxvt_IMSetStatusPosition(aR);
1281 D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1282 return True;
1283} 1497}
1284 1498
1285/* EXTPROTO */
1286void 1499void
1287rxvt_IMSetStatusPosition(pR) 1500rxvt_term::IMSetPosition ()
1288{ 1501{
1289 XRectangle preedit_rect, status_rect, *needed_rect; 1502 XRectangle preedit_rect, status_rect, *needed_rect;
1290 XVaNestedList preedit_attr, status_attr; 1503 XVaNestedList preedit_attr, status_attr;
1291 1504
1292 if (R->Input_Context == NULL 1505 if (!Input_Context
1293 || !R->TermWin.focus || !(R->input_style & XIMPreeditArea) 1506 || !focus
1507 || !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1294 || !rxvt_IMisRunning(aR)) 1508 || !IMisRunning ())
1295 return; 1509 return;
1296 1510
1511 if (input_style & XIMPreeditPosition)
1512 {
1513 im_set_size (preedit_rect);
1514 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1515
1516 XSetICValues (Input_Context,
1517 XNPreeditAttributes, preedit_attr, NULL);
1518 }
1519 else
1520 {
1297/* Getting the necessary width of preedit area */ 1521 /* Getting the necessary width of preedit area */
1298 status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL); 1522 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1299 XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL); 1523 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1300 XFree(status_attr); 1524 XFree (status_attr);
1301 1525
1302 rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect); 1526 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1527 XFree (needed_rect);
1303 1528
1304 preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL); 1529 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1305 status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL); 1530 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1306 1531
1307 XSetICValues(R->Input_Context, 1532 XSetICValues (Input_Context,
1308 XNPreeditAttributes, preedit_attr, 1533 XNPreeditAttributes, preedit_attr,
1309 XNStatusAttributes, status_attr, NULL); 1534 XNStatusAttributes, status_attr,
1535 NULL);
1310 1536
1537 XFree (status_attr);
1538 }
1539
1311 XFree(preedit_attr); 1540 XFree (preedit_attr);
1312 XFree(status_attr);
1313} 1541}
1314#endif /* USE_XIM */ 1542#endif /* USE_XIM */
1315 1543
1316/*----------------------------------------------------------------------*/ 1544void
1317rxvt_t rxvt_current_term; 1545rxvt_term::get_window_origin (int &x, int &y)
1546{
1547 Window cr;
1548 XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
1549/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
1550}
1551
1552Pixmap
1553rxvt_term::get_pixmap_property (int prop_id)
1554{
1555 if (prop_id > 0 && prop_id < NUM_XA)
1556 if (xa[prop_id])
1557 {
1558 int aformat;
1559 unsigned long nitems, bytes_after;
1560 Atom atype;
1561 unsigned char *prop = NULL;
1562 int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
1563 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1564 &nitems, &bytes_after, &prop);
1565 if (result == Success && prop && atype == XA_PIXMAP)
1566 return *(Pixmap *)prop;
1567 }
1568
1569 return None;
1570}
1571
1572#ifdef HAVE_BG_PIXMAP
1573# if TRACE_PIXMAPS
1574# undef update_background
1575void
1576rxvt_term::trace_update_background (const char *file, int line)
1577{
1578 fprintf (stderr, "%s:%d:update_background()\n", file, line);
1579 update_background ();
1580}
1581# endif
1582
1583void
1584rxvt_term::update_background ()
1585{
1586 if (update_background_ev.is_active ())
1587 return;
1588
1589 bgPixmap.invalidate ();
1590
1591 ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
1592
1593 if (to_wait <= 0.)
1594 bgPixmap.render ();
1595 else
1596 update_background_ev.start (to_wait);
1597}
1598
1599void
1600rxvt_term::update_background_cb (ev::timer &w, int revents)
1601{
1602 make_current ();
1603
1604 update_background_ev.stop ();
1605 bgPixmap.render ();
1606 refresh_check ();
1607}
1608
1609#endif /* HAVE_BG_PIXMAP */
1318 1610
1319/*----------------------- end-of-file (C source) -----------------------*/ 1611/*----------------------- end-of-file (C source) -----------------------*/

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