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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.9 by pcg, Tue Dec 2 21:49:46 2003 UTC vs.
Revision 1.311 by root, Tue Nov 4 13:28:40 2008 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: main.c 2 * File: main.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: main.C,v 1.9 2003/12/02 21:49:46 pcg Exp $
5 * 4 *
6 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
7 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk> 6 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8 * - original version 7 * - original version
9 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com> 8 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
… …
12 * Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA> 11 * Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13 * - extensive modifications 12 * - extensive modifications
14 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> 13 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> 14 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16 * - extensive modifications 15 * - extensive modifications
16 * Copyright (c) 2003-2008 Marc Lehmann <pcg@goof.com>
17 * 17 *
18 * This program is free software; you can redistribute it and/or modify 18 * This program is free software; you can redistribute it and/or modify
19 * it under the terms of the GNU General Public License as published by 19 * it under the terms of the GNU General Public License as published by
20 * the Free Software Foundation; either version 2 of the License, or 20 * the Free Software Foundation; either version 2 of the License, or
21 * (at your option) any later version. 21 * (at your option) any later version.
… …
30 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 30 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31 *---------------------------------------------------------------------*/ 31 *---------------------------------------------------------------------*/
32 32
33#include "../config.h" /* NECESSARY */ 33#include "../config.h" /* NECESSARY */
34#include "rxvt.h" /* NECESSARY */ 34#include "rxvt.h" /* NECESSARY */
35#include "main.intpro" /* PROTOS for internal routines */ 35#include "keyboard.h"
36#include "rxvtperl.h"
36 37
38#include <limits>
39
37#include <signal.h> 40#include <csignal>
41#include <cstring>
38 42
39#ifdef TTY_GID_SUPPORT
40# include <grp.h>
41#endif
42
43#ifdef HAVE_TERMIOS_H
44# include <termios.h> 43#include <termios.h>
44
45#ifdef HAVE_XSETLOCALE
46# define X_LOCALE
47# include <X11/Xlocale.h>
48#else
49# ifdef HAVE_SETLOCALE
50# include <clocale>
45#endif 51# endif
52#endif
46 53
54vector<rxvt_term *> rxvt_term::termlist;
55
56// used to tell global functions which terminal instance is "active"
57rxvt_t rxvt_current_term;
58
59static char curlocale[128], savelocale[128];
60
61bool
62rxvt_set_locale (const char *locale) NOTHROW
63{
64 int size = strlen (locale) + 1;
65
66 if (size > sizeof (curlocale))
67 rxvt_fatal ("locale string too long, aborting.\n");
68
69 if (!locale || !memcmp (locale, curlocale, size))
70 return false;
71
72 memcpy (curlocale, locale, size);
73 setlocale (LC_CTYPE, curlocale);
74 return true;
75}
76
47void * 77void
48rxvt_term::operator new (size_t s) 78rxvt_push_locale (const char *locale) NOTHROW
49{ 79{
50 void *p = malloc (s); 80 strcpy (savelocale, curlocale);
81 rxvt_set_locale (locale);
82}
51 83
52 MEMSET (p, 0, s); 84void
85rxvt_pop_locale () NOTHROW
86{
87 rxvt_set_locale (savelocale);
88}
89
90#if ENABLE_COMBINING
91class rxvt_composite_vec rxvt_composite;
92
93text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
94{
95 compose_char *cc;
96
97 // break compose chains, as stupid readline really likes to duplicate
98 // composing characters for some reason near the end of a line.
99 cc = (*this)[c1];
100 while (cc)
101 {
102 if (cc->c2 == c2) return c1;
103 cc = (*this)[cc->c1];
104 }
105
106 // check to see wether this combination already exists otherwise
107 for (cc = v.end (); cc-- > v.begin (); )
108 {
109 if (cc->c1 == c1 && cc->c2 == c2)
110 return COMPOSE_LO + (cc - v.begin ());
111 }
112
113 // allocate a new combination
114 if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
115 {
116 static int seen;
117
118 if (!seen++)
119 fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
120
121 return REPLACEMENT_CHAR;
122 }
123
124 v.push_back (compose_char (c1, c2));
125
126 return v.size () - 1 + COMPOSE_LO;
127}
128
129int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
130{
131 compose_char *cc = (*this)[c];
132
133 if (!cc)
134 {
135 if (r) *r = c;
136 return 1;
137 }
138
139 int len = expand (cc->c1, r);
140
141 if (r) r += len;
142
143 if (cc->c2 != NOCHAR)
144 {
145 len++;
146 if (r) *r++ = cc->c2;
147 }
148
53 return p; 149 return len;
54}
55 150
56void
57rxvt_term::operator delete (void *p, size_t s)
58{
59 free (p);
60} 151}
152#endif
61 153
62rxvt_term::rxvt_term () 154rxvt_term::rxvt_term ()
63: pty_ev (this, &rxvt_term::pty_cb), 155{
156#if HAVE_BG_PIXMAP
157 update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
158#endif
64#ifdef CURSOR_BLINK 159#ifdef CURSOR_BLINK
65 blink_ev (this, &rxvt_term::blink_cb), 160 cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
161#endif
162#ifdef TEXT_BLINK
163 text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
164#endif
165#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
166 cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
167#endif
168#ifdef SELECTION_SCROLLING
169 sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
170#endif
171#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
172 slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
173#endif
174#if ENABLE_TRANSPARENCY || ENABLE_PERL
175 rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
176#endif
177 scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
178#ifdef USE_XIM
179 im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
66#endif 180#endif
67#ifdef POINTER_BLANK 181#ifdef POINTER_BLANK
68 pointer_ev (this, &rxvt_term::pointer_cb), 182 pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
69#endif 183#endif
70 x_ev (this, &rxvt_term::x_cb), 184#ifndef NO_BELL
71 destroy_ev (this, &rxvt_term::destroy_cb), 185 bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
72 check_ev (this, &rxvt_term::check_cb) 186#endif
73{ 187 child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
188 flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
189 destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
190 pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
191 incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
192 termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
193 vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
194
74 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base; 195 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
196
197 termlist.push_back (this);
198
199#ifdef KEYSYM_RESOURCE
200 keyboard = new keyboard_manager;
201#endif
202}
203
204// clean up the most important stuff, do *not* call x or free mem etc.
205// for use before an emergency exit
206void
207rxvt_term::emergency_cleanup ()
208{
209 if (cmd_pid)
210 kill (-cmd_pid, SIGHUP);
211
212 pty_ev.stop ();
213 delete pty; pty = 0;
75} 214}
76 215
77rxvt_term::~rxvt_term () 216rxvt_term::~rxvt_term ()
78{ 217{
79 rxvt_scr_release (this); 218 termlist.erase (find (termlist.begin (), termlist.end(), this));
80 219
81#ifndef NO_SETOWNER_TTYDEV 220 emergency_cleanup ();
82 rxvt_privileged_ttydev (this, RESTORE); 221
222#if ENABLE_STYLES
223 for (int i = RS_styleCount; --i; )
224 if (fontset[i] != fontset[0])
225 delete fontset[i];
83#endif 226#endif
84#ifdef UTMP_SUPPORT 227 delete fontset[0];
85 rxvt_privileged_utmp (this, RESTORE); 228
229#ifdef HAVE_BG_PIXMAP
230 bgPixmap.destroy ();
86#endif 231#endif
232#ifdef HAVE_AFTERIMAGE
233 if (asv)
234 destroy_asvisual (asv, 0);
235 if (asimman)
236 destroy_image_manager (asimman, 0);
237#endif
238
239 if (display)
240 {
241 selection_clear ();
242
87#ifdef USE_XIM 243#ifdef USE_XIM
88 if (Input_Context != NULL) 244 im_destroy ();
245#endif
246 scrollBar.destroy ();
247 if (gc) XFreeGC (dpy, gc);
248
249 delete drawable;
250 // destroy all windows
251 if (parent[0])
252 XDestroyWindow (dpy, parent[0]);
253
254 for (int i = 0; i < TOTAL_COLORS; i++)
255 if (ISSET_PIXCOLOR (i))
256 {
257 pix_colors_focused [i].free (this);
258#if OFF_FOCUS_FADING
259 pix_colors_unfocused [i].free (this);
260#endif
261 }
262
263 clear ();
264
265 display->flush (); /* ideally .put should do this */
266 displays.put (display);
89 { 267 }
90 XDestroyIC (Input_Context);
91 Input_Context = NULL;
92 }
93#endif
94 268
95 if (cmd_fd >= 0) 269 scr_release ();
96 close (cmd_fd);
97 270
98 if (Xfd >= 0) 271 /* clear all resources */
99 XCloseDisplay (Xdisplay); 272 for (int i = 0; i < allocated.size (); i++)
273 free (allocated [i]);
100 274
101 delete PixColors; 275 free (selection.text);
276 // TODO: manage env vars in child only(!)
277 free (env_display);
278 free (env_term);
279 free (locale);
280 free (v_buffer);
281 free (incr_buf);
282
283 delete envv;
284 delete argv;
285
286#ifdef KEYSYM_RESOURCE
287 delete keyboard;
288#endif
289#ifndef NO_RESOURCES
290 XrmDestroyDatabase (option_db);
291#endif
292}
293
294// child has exited, usually destroys
295void
296rxvt_term::child_cb (ev::child &w, int status)
297{
298 HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
299
300 cmd_pid = 0;
301
302 if (!option (Opt_hold))
303 destroy ();
102} 304}
103 305
104void 306void
105rxvt_term::destroy () 307rxvt_term::destroy ()
106{ 308{
309 if (destroy_ev.is_active ())
310 return;
311
312 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
313
314#if ENABLE_OVERLAY
315 scr_overlay_off ();
316#endif
317
318 if (display)
319 {
320#if USE_XIM
321 im_ev.stop (display);
322#endif
323 scrollbar_ev.stop (display);
324#if ENABLE_TRANSPARENCY || ENABLE_PERL
325 rootwin_ev.stop (display);
326#endif
327 incr_ev.stop ();
328 termwin_ev.stop (display);
329 vt_ev.stop (display);
330 }
331
107 check_ev.stop (); 332 flush_ev.stop ();
108 pty_ev.stop (); 333 pty_ev.stop ();
109 x_ev.stop ();
110#ifdef CURSOR_BLINK 334#ifdef CURSOR_BLINK
335 cursor_blink_ev.stop ();
336#endif
337#ifdef TEXT_BLINK
111 blink_ev.stop (); 338 text_blink_ev.stop ();
339#endif
340#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
341 cont_scroll_ev.stop ();
342#endif
343#ifdef SELECTION_SCROLLING
344 sel_scroll_ev.stop ();
112#endif 345#endif
113#ifdef POINTER_BLANK 346#ifdef POINTER_BLANK
114 pointer_ev.stop (); 347 pointer_ev.stop ();
115#endif 348#endif
116 349
117 destroy_ev.start (0); 350 destroy_ev.start ();
118} 351}
119 352
120void 353void
121rxvt_term::destroy_cb (time_watcher &w) 354rxvt_term::destroy_cb (ev::idle &w, int revents)
122{ 355{
123 SET_R (this); 356 make_current ();
124 357
125 delete this; 358 delete this;
126}
127
128/*----------------------------------------------------------------------*/
129/* rxvt_init() */
130/* LIBPROTO */
131rxvt_t
132rxvt_init (int argc, const char *const *argv)
133{
134 SET_R (new rxvt_term);
135 dR;
136
137 if (!R->init_vars () || !R->init (argc, argv))
138 {
139 delete R;
140 return NULL;
141 }
142
143 return R;
144}
145
146/* EXTPROTO */
147void
148rxvt_init_signals ()
149{
150/* install exit handler for cleanup */
151#if 0
152#ifdef HAVE_ATEXIT
153 atexit(rxvt_clean_exit);
154#else
155#endif
156#endif
157
158 struct sigaction sa;
159
160 sigfillset (&sa.sa_mask);
161 sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
162 sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
163 sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
164 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
165 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
166 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
167 sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
168
169/* need to trap SIGURG for SVR4 (Unixware) rlogin */
170/* signal (SIGURG, SIG_DFL); */
171
172 XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
173 //XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
174}
175
176bool
177rxvt_term::init (int argc, const char *const *argv)
178{
179 dR;//TODO (scrollbar, setidle)
180
181 /*
182 * Save and then give up any super-user privileges
183 * If we need privileges in any area then we must specifically request it.
184 * We should only need to be root in these cases:
185 * 1. write utmp entries on some systems
186 * 2. chown tty on some systems
187 */
188 rxvt_privileges (this, SAVE);
189 rxvt_privileges (this, IGNORE);
190
191 rxvt_init_secondary (this);
192
193 const char **cmd_argv = rxvt_init_resources (this, argc, argv);
194
195#if (MENUBAR_MAX)
196 rxvt_menubar_read (this, rs[Rs_menu]);
197#endif
198#ifdef HAVE_SCROLLBARS
199 if (Options & Opt_scrollBar)
200 scrollbar_setIdle (); /* set existence for size calculations */
201#endif
202
203 rxvt_Create_Windows (this, argc, argv);
204
205 rxvt_init_xlocale (this);
206
207 rxvt_scr_reset (this); /* initialize screen */
208#ifdef RXVT_GRAPHICS
209 rxvt_Gr_reset (this); /* reset graphics */
210#endif
211
212#if 0
213#ifdef DEBUG_X
214 XSynchronize(Xdisplay, True);
215#endif
216#endif
217
218#ifdef HAVE_SCROLLBARS
219 if (Options & Opt_scrollBar)
220 rxvt_Resize_scrollBar (this); /* create and map scrollbar */
221#endif
222#if (MENUBAR_MAX)
223 if (menubar_visible(r))
224 XMapWindow (Xdisplay, menuBar.win);
225#endif
226#ifdef TRANSPARENT
227 if (Options & Opt_transparent)
228 {
229 XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
230 rxvt_check_our_parents (this);
231 }
232#endif
233 XMapWindow (Xdisplay, TermWin.vt);
234 XMapWindow (Xdisplay, TermWin.parent[0]);
235
236 rxvt_init_env (this);
237 rxvt_init_command (this, cmd_argv);
238
239 x_ev.start (Xfd, EVENT_READ);
240 pty_ev.start (cmd_fd, EVENT_READ);
241
242 check_ev.start ();
243
244 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} 359}
305 360
306/*----------------------------------------------------------------------*/ 361/*----------------------------------------------------------------------*/
307/* 362/*
308 * Exit gracefully, clearing the utmp entry and restoring tty attributes 363 * Exit gracefully, clearing the utmp entry and restoring tty attributes
309 * 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
310 */ 365 */
311/* EXTPROTO */ 366static XErrorHandler old_xerror_handler;
312void
313rxvt_clean_exit ()
314{
315 dR;
316 367
317 R->destroy (); 368static void
318} 369rxvt_emergency_cleanup ()
319
320/* ------------------------------------------------------------------------- *
321 * MEMORY ALLOCATION WRAPPERS *
322 * ------------------------------------------------------------------------- */
323/* EXTPROTO */
324void *
325rxvt_malloc(size_t size)
326{ 370{
327 void *p; 371 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
328 372 (*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} 373}
338 374
339/* EXTPROTO */ 375#if !ENABLE_MINIMAL
340void * 376static void
341rxvt_calloc(size_t number, size_t size) 377print_x_error (Display *dpy, XErrorEvent *event)
342{ 378{
343 void *p; 379 char buffer[BUFSIZ];
344 380 char mesg[BUFSIZ];
345 p = calloc(number, size); 381 char number[32];
346 if (p) 382 char *mtype = "XlibMessage";
347 return p; 383 XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
348 384 XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
349 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting"); 385 rxvt_warn ("An X Error occured, trying to continue after report.\n");
350 rxvt_clean_exit(); 386 rxvt_warn ("%s: %s\n", mesg, buffer);
351 exit(EXIT_FAILURE); 387 XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
352/* 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);
353} 421}
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 422#endif
389# ifdef HAVE_SETEUID 423
390 switch (mode) { 424int
391 case IGNORE: 425rxvt_xerror_handler (Display *display, XErrorEvent *event)
392 /* 426{
393 * change effective uid/gid - not real uid/gid - so we can switch 427 if (GET_R->allowedxerror == -1)
394 * back to root later, as required 428 GET_R->allowedxerror = event->error_code;
395 */ 429 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 } 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);
408# else 435#else
409 switch (mode) { 436 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 437#endif
420#endif 438 }
421}
422 439
423#ifdef UTMP_SUPPORT 440 return 0;
424/* EXTPROTO */ 441}
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;
434 442
435 rxvt_privileges(aR_ RESTORE); 443int
436 if (action == SAVE) { 444rxvt_xioerror_handler (Display *display)
437 R->next_utmp_action = RESTORE; 445{
438 rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]); 446 rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
439 } else { /* action == RESTORE */ 447 DisplayString (display));
440 R->next_utmp_action = IGNORE; 448 rxvt_emergency_cleanup ();
441 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);
442 } 465 }
443 rxvt_privileges(aR_ IGNORE); 466} sig_handlers;
444}
445#endif
446 467
447#ifndef NO_SETOWNER_TTYDEV
448/* EXTPROTO */
449void 468void
450rxvt_privileged_ttydev(pR_ char action) 469sig_handlers::sig_term (ev::sig &w, int revents)
451{ 470{
452 D_MAIN((stderr, 471 rxvt_emergency_cleanup ();
453 "rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)", 472 w.stop ();
454 action, R->next_tty_action, getpid())); 473 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} 474}
499#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}
500 503
501/*----------------------------------------------------------------------*/ 504/*----------------------------------------------------------------------*/
502/* 505/*
503 * window size/position calculcations for XSizeHint and other storage. 506 * window size/position calculations for XSizeHint and other storage.
504 * if width/height are non-zero then override calculated width/height 507 * if width/height are non-zero then override calculated width/height
505 */ 508 */
506/* EXTPROTO */
507void 509void
508rxvt_window_calc(pR_ unsigned int width, unsigned int height) 510rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
509{ 511{
510 short recalc_x, recalc_y; 512 short recalc_x, recalc_y;
511 int x, y, sb_w, mb_h, flags; 513 int x, y, flags;
512 unsigned int w, h; 514 unsigned int w, h;
513 unsigned int max_width, max_height; 515 unsigned int max_width, max_height;
514 516
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; 517 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
519 R->szHint.win_gravity = NorthWestGravity; 518 szHint.win_gravity = NorthWestGravity;
520/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */ 519 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
521 520
522 recalc_x = recalc_y = 0; 521 recalc_x = recalc_y = 0;
523 flags = 0; 522 flags = 0;
523
524 if (!R->parsed_geometry) { 524 if (!parsed_geometry)
525 {
525 R->parsed_geometry = 1; 526 parsed_geometry = 1;
527
526 if (R->rs[Rs_geometry]) 528 if (rs[Rs_geometry])
527 flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h); 529 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
530
528 if (flags & WidthValue) { 531 if (flags & WidthValue)
529 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 ());
530 R->szHint.flags |= USSize; 537 szHint.flags |= USSize;
531 } 538 }
539
532 if (flags & HeightValue) { 540 if (flags & HeightValue)
533 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 ());
534 R->szHint.flags |= USSize; 546 szHint.flags |= USSize;
535 } 547 }
548
536 if (flags & XValue) { 549 if (flags & XValue)
550 {
537 R->szHint.x = x; 551 szHint.x = x;
538 R->szHint.flags |= USPosition; 552 szHint.flags |= USPosition;
553
539 if (flags & XNegative) { 554 if (flags & XNegative)
555 {
540 recalc_x = 1; 556 recalc_x = 1;
541 R->szHint.win_gravity = NorthEastGravity; 557 szHint.win_gravity = NorthEastGravity;
542 } 558 }
543 } 559 }
560
544 if (flags & YValue) { 561 if (flags & YValue)
562 {
545 R->szHint.y = y; 563 szHint.y = y;
546 R->szHint.flags |= USPosition; 564 szHint.flags |= USPosition;
565
547 if (flags & YNegative) { 566 if (flags & YNegative)
567 {
548 recalc_y = 1; 568 recalc_y = 1;
569
549 if (R->szHint.win_gravity == NorthEastGravity) 570 if (szHint.win_gravity == NorthEastGravity)
550 R->szHint.win_gravity = SouthEastGravity; 571 szHint.win_gravity = SouthEastGravity;
551 else 572 else
552 R->szHint.win_gravity = SouthWestGravity; 573 szHint.win_gravity = SouthWestGravity;
553 } 574 }
554 } 575 }
555 } 576 }
577
556/* TODO: BOUNDS */ 578 /* TODO: BOUNDS */
557 R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth; 579 width = ncol * fwidth;
558 R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight; 580 height = nrow * fheight;
559 max_width = MAX_COLS * R->TermWin.fwidth; 581 max_width = MAX_COLS * fwidth;
560 max_height = MAX_ROWS * R->TermWin.fheight; 582 max_height = MAX_ROWS * fheight;
561 583
562 R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth; 584 szHint.base_width = szHint.base_height = 2 * int_bwidth;
563 585
564 sb_w = mb_h = 0;
565 R->window_vt_x = R->window_vt_y = 0; 586 window_vt_x = window_vt_y = int_bwidth;
566 if (scrollbar_visible(R)) { 587
588 if (scrollBar.state)
589 {
567 sb_w = scrollbar_TotalWidth(); 590 int sb_w = scrollBar.total_width ();
568 R->szHint.base_width += sb_w; 591 szHint.base_width += sb_w;
592
569 if (!(R->Options & Opt_scrollBar_right)) 593 if (!option (Opt_scrollBar_right))
570 R->window_vt_x = sb_w; 594 window_vt_x += sb_w;
571 } 595 }
572 if (menubar_visible(R)) { 596
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; 597 szHint.width_inc = fwidth;
578 R->szHint.height_inc = R->TermWin.fheight; 598 szHint.height_inc = fheight;
579 R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc; 599 szHint.min_width = szHint.base_width + szHint.width_inc;
580 R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc; 600 szHint.min_height = szHint.base_height + szHint.height_inc;
581 601
582 if (width && width - R->szHint.base_width < max_width) { 602 if (newwidth && newwidth - szHint.base_width < max_width)
603 {
583 R->szHint.width = width; 604 szHint.width = newwidth;
584 R->TermWin.width = width - R->szHint.base_width; 605 width = newwidth - szHint.base_width;
585 } else { 606 }
586 MIN_IT(R->TermWin.width, max_width); 607 else
608 {
609 min_it (width, max_width);
587 R->szHint.width = R->szHint.base_width + R->TermWin.width; 610 szHint.width = szHint.base_width + width;
588 } 611 }
612
589 if (height && height - R->szHint.base_height < max_height) { 613 if (newheight && newheight - szHint.base_height < max_height)
614 {
590 R->szHint.height = height; 615 szHint.height = newheight;
591 R->TermWin.height = height - R->szHint.base_height; 616 height = newheight - szHint.base_height;
592 } else { 617 }
593 MIN_IT(R->TermWin.height, max_height); 618 else
619 {
620 min_it (height, max_height);
594 R->szHint.height = R->szHint.base_height + R->TermWin.height; 621 szHint.height = szHint.base_height + height;
595 } 622 }
596 if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right))
597 R->window_sb_x = R->szHint.width - sb_w;
598 623
599 if (recalc_x) 624 if (recalc_x)
600 R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen) 625 szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
601 - R->szHint.width - 2 * R->TermWin.ext_bwidth); 626
602 if (recalc_y) 627 if (recalc_y)
603 R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen) 628 szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
604 - R->szHint.height - 2 * R->TermWin.ext_bwidth);
605 629
606 R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth; 630 ncol = width / fwidth;
607 R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight; 631 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} 632}
613 633
614/*----------------------------------------------------------------------*/ 634/*----------------------------------------------------------------------*/
615/* 635/*
616 * Tell the teletype handler what size the window is. 636 * Tell the teletype handler what size the window is.
617 * Called after a window size change. 637 * Called after a window size change.
618 */ 638 */
619void 639void
620rxvt_term::tt_winch () 640rxvt_term::tt_winch ()
621{ 641{
622 struct winsize ws; 642 if (pty->pty < 0)
623
624 if (cmd_fd < 0)
625 return; 643 return;
626 644
645 struct winsize ws;
646
627 ws.ws_col = TermWin.ncol; 647 ws.ws_col = ncol;
628 ws.ws_row = TermWin.nrow; 648 ws.ws_row = nrow;
629 ws.ws_xpixel = ws.ws_ypixel = 0; 649 ws.ws_xpixel = width;
630#ifndef DEBUG_SIZE 650 ws.ws_ypixel = height;
631 (void)ioctl (cmd_fd, TIOCSWINSZ, &ws); 651 (void)ioctl (pty->pty, TIOCSWINSZ, &ws);
632#else 652
633 if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0) 653#if 0
634 D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd)); 654 // TIOCSWINSZ is supposed to do this automatically and correctly
635# ifdef SIGWINCH
636 else if (cmd_pid) /* force through to the command */ 655 if (cmd_pid) /* force through to the command */
637 kill (cmd_pid, SIGWINCH); 656 kill (-cmd_pid, SIGWINCH);
638# endif
639#endif 657#endif
640} 658}
641 659
642/*----------------------------------------------------------------------*/ 660/*----------------------------------------------------------------------*/
643/* rxvt_change_font() - Switch to a new font */ 661/* set_fonts () - load and set the various fonts
644/* 662 *
645 * init = 1 - initialize 663 * init = 1 - initialize
646 * 664 *
647 * fontname == FONT_UP - switch to bigger font 665 * fontname == FONT_UP - switch to bigger font
648 * fontname == FONT_DN - switch to smaller font 666 * fontname == FONT_DN - switch to smaller font
649 */ 667 */
650/* EXTPROTO */ 668bool
651void 669rxvt_term::set_fonts ()
652rxvt_change_font(pR_ int init, const char *fontname)
653{ 670{
654} 671 rxvt_fontset *fs = new rxvt_fontset (this);
672 rxvt_fontprop prop;
655 673
656/* 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
657void 743void
658rxvt_font_up_down(pR_ int n, int direction) 744rxvt_term::set_string_property (Atom prop, const char *str, int len)
659{ 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);
660} 763}
661 764
662/*----------------------------------------------------------------------*/ 765/*----------------------------------------------------------------------*/
663/*----------------------------------------------------------------------*/ 766/*----------------------------------------------------------------------*/
664/* xterm sequences - title, iconName, color (exptl) */ 767/* xterm sequences - title, iconName, color (exptl) */
665/* EXTPROTO */
666void 768void
667rxvt_set_title(pR_ const char *str) 769rxvt_term::set_title (const char *str)
668{ 770{
669#ifndef SMART_WINDOW_TITLE 771 set_string_property (XA_WM_NAME, str);
670 XStoreName(R->Xdisplay, R->TermWin.parent[0], str); 772#if ENABLE_EWMH
671#else 773 set_utf8_property (xa[XA_NET_WM_NAME], str);
672 char *name;
673
674 if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
675 name = NULL;
676 if (name == NULL || STRCMP(name, str))
677 XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
678 if (name)
679 XFree(name);
680#endif 774#endif
681} 775}
682 776
683/* EXTPROTO */
684void 777void
685rxvt_set_iconName(pR_ const char *str) 778rxvt_term::set_icon_name (const char *str)
686{ 779{
687#ifndef SMART_WINDOW_TITLE 780 set_string_property (XA_WM_ICON_NAME, str);
688 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str); 781#if ENABLE_EWMH
689#else 782 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
690 char *name;
691
692 if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
693 name = NULL;
694 if (name == NULL || STRCMP(name, str))
695 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
696 if (name)
697 XFree(name);
698#endif 783#endif
699} 784}
700 785
786void
787rxvt_term::set_window_color (int idx, const char *color)
788{
701#ifdef XTERM_COLOR_CHANGE 789#ifdef XTERM_COLOR_CHANGE
702/* EXTPROTO */
703void
704rxvt_set_window_color(pR_ int idx, const char *color)
705{
706 rxvt_color xcol; 790 rxvt_color xcol;
707 int i;
708 791
709 if (color == NULL || *color == '\0') 792 if (color == NULL || *color == '\0')
710 return; 793 return;
711 794
795 color = strdup (color);
796 allocated.push_back ((void *)color);
797 rs[Rs_color + idx] = color;
798
712/* handle color aliases */ 799 /* handle color aliases */
713 if (isdigit(*color)) { 800 if (isdigit (*color))
801 {
714 i = atoi(color); 802 int i = atoi (color);
715 if (i >= 8 && i <= 15) { /* bright colors */ 803
716 i -= 8; 804 if (i >= 8 && i <= 15)
717# ifndef NO_BRIGHTCOLOR 805 {
718 R->PixColors[idx] = R->PixColors[minBrightCOLOR + i]; 806 /* bright colors */
719 SET_PIXCOLOR(R, idx); 807 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
720 goto Done; 808 goto done;
721# endif
722 } 809 }
723 if (i >= 0 && i <= 7) { /* normal colors */ 810
724 R->PixColors[idx] = R->PixColors[minCOLOR + i]; 811 if (i >= 0 && i <= 7)
725 SET_PIXCOLOR(R, idx); 812 {
813 /* normal colors */
814 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
726 goto Done; 815 goto done;
727 } 816 }
728 } 817 }
729 if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
730 return;
731/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
732 818
733/* 819 set_color (xcol, color);
820
821 /*
734 * 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,
735 * so just keep gobbling up the colormap 823 * so just keep gobbling up the colormap
736 */ 824 */
737# if 0
738 for (i = Color_Black; i <= Color_White; i++)
739 if (R->PixColors[idx] == R->PixColors[i])
740 break;
741 if (i > Color_White) {
742 /* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
743 XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
744 DisplayPlanes(R->Xdisplay, Xscreen));
745 }
746# endif
747 825
748 R->PixColors[idx] = xcol; 826 pix_colors_focused[idx] = xcol;
749 SET_PIXCOLOR(R, idx);
750 827
751/* XSetWindowAttributes attr; */ 828done:
752/* Cursor cursor; */
753 Done:
754 if (idx == Color_bg && !(R->Options & Opt_transparent))
755 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
756 R->PixColors[Color_bg]);
757
758/* handle Color_BD, scrollbar background, etc. */ 829 /*TODO: handle Color_BD, scrollbar background, etc. */
759 830
760 rxvt_set_colorfgbg(aR); 831 update_fade_color (idx);
761 rxvt_recolour_cursor(aR); 832 recolour_cursor ();
762/* the only reasonable way to enforce a clean update */ 833 scr_recolour ();
763 rxvt_scr_poweron(aR); 834#endif /* XTERM_COLOR_CHANGE */
764} 835}
765 836
766#else
767# define rxvt_set_window_color(aR_ idx,color) ((void)0)
768#endif /* XTERM_COLOR_CHANGE */
769
770/* EXTPROTO */
771void 837void
772rxvt_recolour_cursor(pR) 838rxvt_term::recolour_cursor ()
773{ 839{
774 rxvt_color xcol[2]; 840 XColor fg, bg;
775 841
776#if TODO 842 (ISSET_PIXCOLOR (Color_pointer_fg)
777 xcol[0] = R->PixColors[Color_pointer]; 843 ? pix_colors_focused[Color_pointer_fg]
778 xcol[1] = R->PixColors[Color_bg]; 844 : pix_colors_focused[Color_fg]).get (fg);
779 XQueryColors(R->Xdisplay, XCMAP, xcol, 2); 845
780 XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1])); 846 (ISSET_PIXCOLOR (Color_pointer_bg)
781#endif 847 ? pix_colors_focused[Color_pointer_bg]
848 : pix_colors_focused[Color_bg]).get (bg);
849
850 XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
782} 851}
783 852
784/*----------------------------------------------------------------------*/ 853/*----------------------------------------------------------------------*/
785/* 854/*
786 * 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
787 */ 856 */
788/* INTPROTO */
789void 857void
790rxvt_set_colorfgbg(pR) 858rxvt_term::set_colorfgbg ()
791{ 859{
792 unsigned int i; 860 unsigned int i;
793 const char *xpmb = "\0"; 861 const char *xpmb = "";
794 char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1]; 862 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
795 863
796 R->env_colorfgbg = 864 strcpy (fstr, "default");
797 (char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1); 865 strcpy (bstr, "default");
798 STRCPY(fstr, "default");
799 STRCPY(bstr, "default");
800 for (i = Color_Black; i <= Color_White; i++) 866 for (i = Color_Black; i <= Color_White; i++)
801 if (R->PixColors[Color_fg] == R->PixColors[i]) { 867 if (pix_colors[Color_fg] == pix_colors[i])
868 {
802 sprintf(fstr, "%d", (i - Color_Black)); 869 sprintf (fstr, "%d", (i - Color_Black));
803 break; 870 break;
804 } 871 }
872
805 for (i = Color_Black; i <= Color_White; i++) 873 for (i = Color_Black; i <= Color_White; i++)
806 if (R->PixColors[Color_bg] == R->PixColors[i]) { 874 if (pix_colors[Color_bg] == pix_colors[i])
875 {
807 sprintf(bstr, "%d", (i - Color_Black)); 876 sprintf (bstr, "%d", (i - Color_Black));
808#ifdef XPM_BACKGROUND 877#ifdef BG_IMAGE_FROM_FILE
809 xpmb = "default;"; 878 xpmb = "default;";
810#endif 879#endif
811 break; 880 break;
812 } 881 }
882
813 sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); 883 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
814 putenv(R->env_colorfgbg);
815
816#ifndef NO_BRIGHTCOLOR
817 R->colorfgbg = DEFAULT_RSTYLE;
818 for (i = minCOLOR; i <= maxCOLOR; i++) {
819 if (R->PixColors[Color_fg] == R->PixColors[i])
820 R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
821 if (R->PixColors[Color_bg] == R->PixColors[i])
822 R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
823 }
824#endif
825} 884}
826 885
827/*----------------------------------------------------------------------*/ 886/*----------------------------------------------------------------------*/
828/*
829 * Colour determination for low colour displays, routine from
830 * Hans de Goede <hans@highrise.nl>
831 */
832 887
833/* EXTPROTO */ 888bool
834int 889rxvt_term::set_color (rxvt_color &color, const char *name)
835rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
836{ 890{
837 screen_in_out->set(aR_ colour); 891 if (color.set (this, name))
838
839 if (!screen_in_out->set(aR_ colour)) {
840 rxvt_print_error("can't allocate colour: %s", colour);
841 return false;
842 }
843
844 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]);
845} 902}
846 903
847/* -------------------------------------------------------------------- * 904/* -------------------------------------------------------------------- *
848 * - WINDOW RESIZING - * 905 * - WINDOW RESIZING - *
849 * -------------------------------------------------------------------- */ 906 * -------------------------------------------------------------------- */
850/* EXTPROTO */
851void 907void
852rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height, 908rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
853 int ignoreparent)
854{ 909{
855 int fix_screen; 910 int fix_screen;
911 int old_width = szHint.width;
912 int old_height = szHint.height;
856 913
914 window_calc (newwidth, newheight);
915
916 if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
917 XSetWMNormalHints (dpy, parent[0], &szHint);
918
919 if (!ignoreparent)
920 {
857#ifdef SMART_RESIZE 921#ifdef SMART_RESIZE
858 int old_width = R->szHint.width, old_height = R->szHint.height; 922 /*
859#endif
860
861 rxvt_window_calc(aR_ width, height);
862 XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
863 if (!ignoreparent) {
864#ifdef SMART_RESIZE
865/*
866 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> 923 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
867 * reposition window on resize depending on placement on screen 924 * reposition window on resize depending on placement on screen
868 */ 925 */
869 int x, y, x1, y1; 926 int x, y, x1, y1;
870 int dx, dy; 927 int dx, dy;
871 unsigned int unused_w1, unused_h1, unused_b1, unused_d1; 928 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
872 Window unused_cr; 929 Window unused_cr;
873 930
874 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot, 931 XTranslateCoordinates (dpy, parent[0], display->root,
875 0, 0, &x, &y, &unused_cr); 932 0, 0, &x, &y, &unused_cr);
876 XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1, 933 XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
877 &unused_w1, &unused_h1, &unused_b1, &unused_d1); 934 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
878 /* 935 /*
879 * if Xroot isn't the parent window, a WM will probably have offset 936 * if display->root isn't the parent window, a WM will probably have offset
880 * our position for handles and decorations. Counter it 937 * our position for handles and decorations. Counter it
881 */ 938 */
882 if (x1 != x || y1 != y) { 939 if (x1 != x || y1 != y)
940 {
883 x -= x1; 941 x -= x1;
884 y -= y1; 942 y -= y1;
885 } 943 }
886 944
887 x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2; 945 x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
888 y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2; 946 y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
889 dx = old_width - R->szHint.width; 947 dx = old_width - szHint.width;
890 dy = old_height - R->szHint.height; 948 dy = old_height - szHint.height;
891 949
892 /* Check position of the center of the window */ 950 /* Check position of the center of the window */
893 if (x < x1) /* left half */ 951 if (x < x1) /* left half */
894 dx = 0; 952 dx = 0;
895 else if (x == x1) /* exact center */ 953 else if (x == x1) /* exact center */
896 dx /= 2; 954 dx /= 2;
897 if (y < y1) /* top half */ 955 if (y < y1) /* top half */
898 dy = 0; 956 dy = 0;
899 else if (y == y1) /* exact center */ 957 else if (y == y1) /* exact center */
900 dy /= 2; 958 dy /= 2;
901 959
902 XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy, 960 XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
903 R->szHint.width, R->szHint.height); 961 szHint.width, szHint.height);
904#else 962#else
905 XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width, 963 XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
906 R->szHint.height);
907#endif 964#endif
908 } 965 }
909 966
910 fix_screen = (R->TermWin.ncol != R->prev_ncol 967 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
911 || R->TermWin.nrow != R->prev_nrow); 968
912 if (fix_screen || width != R->old_width || height != R->old_height) { 969 if (fix_screen || newwidth != old_width || newheight != old_height)
913 if (scrollbar_visible(R)) {
914 XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x,
915 0, scrollbar_TotalWidth(), R->szHint.height);
916 rxvt_Resize_scrollBar(aR);
917 }
918 if (menubar_visible(R))
919 XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x,
920 0, TermWin_TotalWidth(), menuBar_TotalHeight());
921 XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
922 R->window_vt_y, TermWin_TotalWidth(),
923 TermWin_TotalHeight());
924#ifdef RXVT_GRAPHICS
925 if (R->old_height)
926 rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
927 R->old_height - R->szHint.base_height);
928#endif
929 rxvt_scr_clear(aR);
930#ifdef XPM_BACKGROUND
931 rxvt_resize_pixmap(aR);
932#endif
933 } 970 {
971 if (scrollBar.state)
972 scrollBar.resize ();
934 973
974 XMoveResizeWindow (dpy, vt,
975 window_vt_x, window_vt_y,
976 width, height);
977
978#ifdef HAVE_BG_PIXMAP
979 if (bgPixmap.window_size_sensitive ())
980 update_background ();
981#endif
982
983 scr_clear ();
984 }
985
935 if (fix_screen || R->old_height == 0) { 986 if (fix_screen || old_height == 0)
936 int curr_screen = -1; 987 scr_reset ();
937 uint16_t old_ncol = R->prev_ncol;
938 988
939 /* scr_reset only works on the primary screen */ 989 // TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
940 if (R->old_height) /* this is not the first time through */ 990 //scr_touch (false);
941 curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
942 rxvt_scr_reset(aR);
943 if (curr_screen >= 0) { /* this is not the first time through */
944 rxvt_scr_change_screen(aR_ curr_screen);
945 rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
946 }
947 }
948 991
949 R->old_width = R->szHint.width; 992#ifdef HAVE_BG_PIXMAP
950 R->old_height = R->szHint.height; 993// TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
994// if (bgPixmap.pixmap)
995// scr_touch (false);
996#endif
951 997
952#ifdef USE_XIM 998#ifdef USE_XIM
953 rxvt_IMSetStatusPosition(aR); 999 IMSetPosition ();
954#endif 1000#endif
955} 1001}
956 1002
957/* 1003/*
958 * Set the width/height of the vt window in characters. Units are pixels. 1004 * Set the width/height of the vt window in characters. Units are pixels.
959 * good for toggling 80/132 columns 1005 * good for toggling 80/132 columns
960 */ 1006 */
961/* EXTPROTO */
962void 1007void
963rxvt_set_widthheight(pR_ unsigned int width, unsigned int height) 1008rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
964{ 1009{
965 XWindowAttributes wattr; 1010 XWindowAttributes wattr;
966 1011
967 if (width == 0 || height == 0) { 1012 if (newwidth == 0 || newheight == 0)
1013 {
968 XGetWindowAttributes(R->Xdisplay, Xroot, &wattr); 1014 XGetWindowAttributes (dpy, display->root, &wattr);
1015
969 if (width == 0) 1016 if (newwidth == 0)
970 width = wattr.width - R->szHint.base_width; 1017 newwidth = wattr.width - szHint.base_width;
971 if (height == 0) 1018 if (newheight == 0)
972 height = wattr.height - R->szHint.base_height; 1019 newheight = wattr.height - szHint.base_height;
1020 }
1021
1022 if (newwidth != width || newheight != height)
973 } 1023 {
974 if (width != R->TermWin.width || height != R->TermWin.height) {
975 width += R->szHint.base_width; 1024 newwidth += szHint.base_width;
976 height += R->szHint.base_height; 1025 newheight += szHint.base_height;
977 rxvt_resize_all_windows(aR_ width, height, 0); 1026 resize_all_windows (newwidth, newheight, 0);
978 } 1027 }
979} 1028}
980 1029
981/* -------------------------------------------------------------------- * 1030/* -------------------------------------------------------------------- *
982 * - X INPUT METHOD ROUTINES - * 1031 * - X INPUT METHOD ROUTINES - *
983 * -------------------------------------------------------------------- */ 1032 * -------------------------------------------------------------------- */
984#ifdef USE_XIM 1033#ifdef USE_XIM
985/* INTPROTO */
986void
987rxvt_setSize(pR_ XRectangle * size)
988{
989 size->x = R->TermWin.int_bwidth;
990 size->y = R->TermWin.int_bwidth;
991 size->width = Width2Pixel(R->TermWin.ncol);
992 size->height = Height2Pixel(R->TermWin.nrow);
993}
994 1034
995/* INTPROTO */
996void 1035void
997rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg) 1036rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
998{ 1037{
999 *fg = R->PixColors[Color_fg]; 1038 fg = pix_colors [Color_fg];
1000 *bg = R->PixColors[Color_bg]; 1039 bg = pix_colors [Color_bg];
1040}
1041
1042void
1043rxvt_term::im_set_size (XRectangle &size)
1044{
1045 // the int_bwidth terms make no sense to me
1046 size.x = int_bwidth;
1047 size.y = int_bwidth;
1048 size.width = Width2Pixel (ncol) + int_bwidth;
1049 size.height = Height2Pixel (nrow) + int_bwidth;
1050}
1051
1052void
1053rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1054 XRectangle &status_rect,
1055 const XRectangle &needed_rect)
1056{
1057 preedit_rect.x = needed_rect.width;
1058 preedit_rect.y = 0;
1059 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1060 preedit_rect.height = fheight;
1061
1062 status_rect.x = 0;
1063 status_rect.y = 0;
1064 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1065 status_rect.height = fheight;
1001} 1066}
1002 1067
1003/* Checking whether input method is running. */ 1068/* Checking whether input method is running. */
1004/* INTPROTO */
1005Bool 1069bool
1006rxvt_IMisRunning(pR) 1070rxvt_term::IMisRunning ()
1007{ 1071{
1008 char *p; 1072 char *p;
1009 Atom atom; 1073 Atom atom;
1010 Window win; 1074 Window win;
1011 char server[IMBUFSIZ]; 1075 char server[IMBUFSIZ];
1012 1076
1013/* get current locale modifier */ 1077 /* get current locale modifier */
1014 if ((p = XSetLocaleModifiers(NULL)) != NULL) { 1078 if ((p = XSetLocaleModifiers (NULL)) != NULL)
1079 {
1015 STRCPY(server, "@server="); 1080 strcpy (server, "@server=");
1016 STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */ 1081 strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1082
1017 if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */ 1083 if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1018 *p = '\0'; 1084 *p = '\0';
1019 1085
1020 atom = XInternAtom(R->Xdisplay, server, False); 1086 atom = XInternAtom (dpy, server, False);
1021 win = XGetSelectionOwner(R->Xdisplay, atom); 1087 win = XGetSelectionOwner (dpy, atom);
1088
1022 if (win != None) 1089 if (win != None)
1023 return True; 1090 return True;
1024 } 1091 }
1092
1025 return False; 1093 return False;
1026} 1094}
1027 1095
1028/* EXTPROTO */
1029void 1096void
1030rxvt_IMSendSpot(pR) 1097rxvt_term::IMSendSpot ()
1031{ 1098{
1032 XPoint spot; 1099 XPoint nspot;
1033 XVaNestedList preedit_attr; 1100 XVaNestedList preedit_attr;
1034 1101
1035 if (R->Input_Context == NULL 1102 if (!Input_Context
1036 || !R->TermWin.focus || !(R->input_style & XIMPreeditPosition) 1103 || !focus
1037 || !(R->event_type == KeyPress 1104 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1038 || R->event_type == Expose
1039 || R->event_type == NoExpose
1040 || R->event_type == SelectionNotify
1041 || R->event_type == ButtonRelease || R->event_type == FocusIn)
1042 || !rxvt_IMisRunning(aR))
1043 return; 1105 return;
1044 1106
1045 rxvt_setPosition(aR_ & spot); 1107 im_set_position (nspot);
1046 1108
1109 if (nspot.x == spot.x && nspot.y == spot.y)
1110 return;
1111
1112 spot = nspot;
1113
1047 preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL); 1114 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1048 XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL); 1115 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1049 XFree(preedit_attr); 1116 XFree (preedit_attr);
1050} 1117}
1051 1118
1052/* EXTPROTO */
1053void 1119void
1054rxvt_setTermFontSet(pR_ int idx) 1120rxvt_term::im_destroy ()
1055{ 1121{
1056 char *string; 1122 if (input_method)
1057 long length; 1123 {
1058 int success = 0; 1124 if (Input_Context && input_method->xim)
1125 XDestroyIC (Input_Context);
1059 1126
1060 if (idx < 0 || idx >= MAX_NFONTS) 1127 display->put_xim (input_method);
1061 return; 1128 input_method = 0;
1062} 1129 }
1063 1130
1064/* INTPROTO */
1065void
1066rxvt_setPreeditArea (pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1067 XRectangle * needed_rect)
1068{
1069 int mbh, vtx = 0;
1070
1071 if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1072 vtx = scrollbar_TotalWidth();
1073 mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1074 mbh -= R->TermWin.lineSpace;
1075
1076 preedit_rect->x = needed_rect->width + vtx;
1077 preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1078
1079 preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1080 + vtx;
1081 preedit_rect->height = Height2Pixel(1);
1082
1083 status_rect->x = vtx;
1084 status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1085
1086 status_rect->width = needed_rect->width ? needed_rect->width
1087 : Width2Pixel(R->TermWin.ncol + 1);
1088 status_rect->height = Height2Pixel(1);
1089}
1090
1091/* ARGSUSED */
1092/* INTPROTO */
1093void
1094rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1095 __attribute__ ((unused)), XPointer call_data
1096 __attribute__ ((unused)))
1097{
1098 dR;
1099
1100 R->Input_Context = NULL; 1131 Input_Context = 0;
1101/* To avoid Segmentation Fault in C locale: Solaris only? */
1102 if (STRCMP(R->locale, "C"))
1103 XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1104 rxvt_IMInstantiateCallback, NULL);
1105} 1132}
1106 1133
1107/* 1134#ifdef ENABLE_XIM_ONTHESPOT
1108 * X manual pages and include files don't match on some systems:
1109 * some think this is an XIDProc and others an XIMProc so we can't
1110 * use the first argument - need to update this to be nice for
1111 * both types via some sort of configure detection
1112 */
1113/* ARGSUSED */
1114/* EXTPROTO */
1115void
1116rxvt_IMInstantiateCallback(Display * unused
1117 __attribute__ ((unused)), XPointer client_data
1118 __attribute__ ((unused)), XPointer call_data
1119 __attribute__ ((unused)))
1120{
1121 dR;
1122 int i, found, had_im;
1123 const char *p;
1124 char **s;
1125 char buf[IMBUFSIZ];
1126 1135
1127 D_MAIN((stderr, "rxvt_IMInstantiateCallback()")); 1136static void
1128 if (R->Input_Context) 1137xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1129 return; 1138{
1139 ((rxvt_term *)client_data)->make_current ();
1140 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1141}
1130 1142
1131 found = had_im = 0; 1143static void
1132 p = R->rs[Rs_inputMethod]; 1144xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1133 if (p && *p) { 1145{
1134 had_im = 1; 1146 ((rxvt_term *)client_data)->make_current ();
1135 s = rxvt_splitcommastring(p); 1147 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1136 for (i = 0; s[i]; i++) { 1148}
1137 if (*s[i]) { 1149
1138 STRCPY(buf, "@im="); 1150static void
1139 STRNCAT(buf, s[i], IMBUFSIZ - 5); 1151xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1140 if ((p = XSetLocaleModifiers(buf)) != NULL && *p 1152{
1141 && (rxvt_IM_get_IC(aR) == True)) { 1153 rxvt_term *term = (rxvt_term *)client_data;
1142 found = 1; 1154 XIMText *text = call_data->text;
1143 break; 1155
1144 } 1156 term->make_current ();
1145 } 1157
1158 if (text)
1159 {
1160 void *str;
1161
1162 if (!text->encoding_is_wchar && text->string.multi_byte)
1163 {
1164 // of course, X makes it ugly again
1165 if (term->rs[Rs_imLocale])
1166 SET_LOCALE (term->rs[Rs_imLocale]);
1167
1168 str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
1169 mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
1170
1171 if (term->rs[Rs_imLocale])
1172 SET_LOCALE (term->locale);
1146 } 1173 }
1147 for (i = 0; s[i]; i++) 1174 else
1148 free(s[i]); 1175 str = (void *)text->string.wide_char;
1149 free(s);
1150 }
1151 if (found)
1152 return;
1153 1176
1154/* try with XMODIFIERS env. var. */ 1177 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1155 if ((p = XSetLocaleModifiers("")) != NULL && *p) { 1178 DT_INT, call_data->caret,
1156 rxvt_IM_get_IC(aR); 1179 DT_INT, call_data->chg_first,
1157 return; 1180 DT_INT, call_data->chg_length,
1181 DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1182 DT_WCS_LEN, str, str ? (int)text->length : 0,
1183 DT_END));
1158 } 1184 }
1159 1185 else
1160/* try with no modifiers base IF the user didn't specify an IM */ 1186 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1161 if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p 1187 DT_INT, call_data->caret,
1162 && rxvt_IM_get_IC(aR) == True) 1188 DT_INT, call_data->chg_first,
1163 return; 1189 DT_INT, call_data->chg_length,
1190 DT_END));
1164} 1191}
1192
1193#if 0
1194static void
1195xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1196{
1197 ((rxvt_term *)client_data)->make_current ();
1198 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1199 DT_INT, call_data->position,
1200 DT_INT, call_data->direction,
1201 DT_INT, call_data->style,
1202 DT_END));
1203}
1204#endif
1205
1206#endif
1165 1207
1166/* 1208/*
1167 * Try to open a XIM with the current modifiers, then see if we can 1209 * Try to open a XIM with the current modifiers, then see if we can
1168 * open a suitable preedit type 1210 * open a suitable preedit type
1169 */ 1211 */
1170/* INTPROTO */
1171Bool 1212bool
1172rxvt_IM_get_IC(pR) 1213rxvt_term::IM_get_IC (const char *modifiers)
1173{ 1214{
1174 int i, j, found; 1215 int i, j, found;
1175 XIM xim; 1216 XIM xim;
1176 XPoint spot; 1217 XPoint spot;
1177 XRectangle rect, status_rect, needed_rect; 1218 XRectangle rect, status_rect, needed_rect;
1178 unsigned long fg, bg; 1219 unsigned long fg, bg;
1179 const char *p; 1220 const char *p;
1180 char **s; 1221 char **s;
1181 XIMStyles *xim_styles; 1222 XIMStyles *xim_styles;
1182 XVaNestedList preedit_attr, status_attr; 1223#ifdef ENABLE_XIM_ONTHESPOT
1183 XIMCallback ximcallback; 1224 XIMCallback xcb[4];
1225#endif
1184 1226
1185 D_MAIN((stderr, "rxvt_IM_get_IC()")); 1227 set_environ (envv);
1186 xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL); 1228
1187 if (xim == NULL) 1229 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1188 return False; 1230 return false;
1189 1231
1232 input_method = display->get_xim (locale, modifiers);
1233 if (input_method == NULL)
1234 return false;
1235
1236 xim = input_method->xim;
1237 spot.x = spot.y = -1;
1238
1190 xim_styles = NULL; 1239 xim_styles = NULL;
1191 if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL) 1240 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1192 || !xim_styles || !xim_styles->count_styles) { 1241 || !xim_styles || !xim_styles->count_styles)
1193 XCloseIM(xim); 1242 {
1243 im_destroy ();
1194 return False; 1244 return false;
1245 }
1246
1247 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1248
1249 for (int pi = 0; pi < 2; pi++)
1195 } 1250 {
1251 p = pet[pi];
1196 1252
1197 p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType] 1253 if (!p)
1198 : "OverTheSpot,OffTheSpot,Root"; 1254 continue;
1255
1199 s = rxvt_splitcommastring(p); 1256 s = rxvt_splitcommastring (p);
1257
1200 for (i = found = 0; !found && s[i]; i++) { 1258 for (i = found = 0; !found && s[i]; i++)
1259 {
1201 if (!STRCMP(s[i], "OverTheSpot")) 1260 if (!strcmp (s[i], "OverTheSpot"))
1202 R->input_style = (XIMPreeditPosition | XIMStatusNothing); 1261 input_style = XIMPreeditPosition | XIMStatusNothing;
1203 else if (!STRCMP(s[i], "OffTheSpot")) 1262 else if (!strcmp (s[i], "OffTheSpot"))
1204 R->input_style = (XIMPreeditArea | XIMStatusArea); 1263 input_style = XIMPreeditArea | XIMStatusArea;
1205 else if (!STRCMP(s[i], "Root")) 1264 else if (!strcmp (s[i], "Root"))
1206 R->input_style = (XIMPreeditNothing | XIMStatusNothing); 1265 input_style = XIMPreeditNothing | XIMStatusNothing;
1266 else if (!strcmp (s[i], "None"))
1267 input_style = XIMPreeditNone | XIMStatusNone;
1268#ifdef ENABLE_XIM_ONTHESPOT
1269 else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1270 input_style = XIMPreeditCallbacks | XIMStatusNothing;
1271#endif
1272 else
1273 input_style = XIMPreeditNothing | XIMStatusNothing;
1207 1274
1208 for (j = 0; j < xim_styles->count_styles; j++) 1275 for (j = 0; j < xim_styles->count_styles; j++)
1209 if (R->input_style == xim_styles->supported_styles[j]) { 1276 if (input_style == xim_styles->supported_styles[j])
1277 {
1278 rxvt_freecommastring (s);
1279
1210 found = 1; 1280 found = 1;
1281 goto foundpet;
1282 }
1283
1284 }
1285
1286 rxvt_freecommastring (s);
1287 }
1288
1289foundpet:
1290
1291 XFree (xim_styles);
1292
1293 if (!found)
1294 {
1295 im_destroy ();
1296 return false;
1297 }
1298
1299 XFontSet fs = 0;
1300 XVaNestedList preedit_attr = 0, status_attr = 0;
1301
1302 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1303 {
1304 // fake us a font-set, please
1305 char **missing_charset_list;
1306 int missing_charset_count;
1307 char *def_string;
1308 char pat[512];
1309
1310 sprintf (pat,
1311 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1312 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1313 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1314 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1315 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1316 "*",
1317 fheight,
1318 fheight + 1, fheight - 1,
1319 fheight - 2, fheight + 2);
1320
1321 fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1322 &missing_charset_list, &missing_charset_count, &def_string);
1323
1324 if (missing_charset_list)
1325 XFreeStringList (missing_charset_list);
1326
1327 if (!fs)
1328 {
1329 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1330 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1331 }
1332 }
1333
1334 if (input_style & XIMPreeditPosition)
1335 {
1336 im_set_size (rect);
1337 im_set_position (spot);
1338 im_set_color (fg, bg);
1339
1340 preedit_attr = XVaCreateNestedList (0,
1341 XNForeground, fg,
1342 XNBackground, bg,
1343 XNArea, &rect,
1344 XNSpotLocation, &spot,
1345 XNFontSet, fs,
1346 NULL);
1347 }
1348 else if (input_style & XIMPreeditArea)
1349 {
1350 im_set_color (fg, bg);
1351
1352 /*
1353 * The necessary width of preedit area is unknown
1354 * until create input context.
1355 */
1356 needed_rect.width = 0;
1357 im_set_preedit_area (rect, status_rect, needed_rect);
1358
1359 preedit_attr = XVaCreateNestedList (0,
1360 XNForeground, fg,
1361 XNBackground, bg,
1362 XNArea, &rect,
1363 XNFontSet, fs,
1364 NULL);
1365 status_attr = XVaCreateNestedList (0,
1366 XNForeground, fg,
1367 XNBackground, bg,
1368 XNArea, &status_rect,
1369 XNFontSet, fs,
1370 NULL);
1371 }
1372#if ENABLE_XIM_ONTHESPOT
1373 else if (input_style & XIMPreeditCallbacks)
1374 {
1375 im_set_position (spot);
1376
1377 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1378 xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1379 xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1380# if 0
1381 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1382# endif
1383
1384 preedit_attr = XVaCreateNestedList (0,
1385 XNSpotLocation, &spot,
1386 XNPreeditStartCallback, &xcb[0],
1387 XNPreeditDoneCallback , &xcb[1],
1388 XNPreeditDrawCallback , &xcb[2],
1389# if 0
1390 XNPreeditCaretCallback, &xcb[3],
1391# endif
1392 NULL);
1393 }
1394#endif
1395
1396 Input_Context = XCreateIC (xim,
1397 XNInputStyle, input_style,
1398 XNClientWindow, vt,
1399 XNFocusWindow, parent[0],
1400 preedit_attr ? XNPreeditAttributes : NULL,
1401 preedit_attr,
1402 status_attr ? XNStatusAttributes : NULL,
1403 status_attr, NULL);
1404
1405 if (preedit_attr) XFree (preedit_attr);
1406 if (status_attr) XFree (status_attr);
1407 if (fs) XFreeFontSet (dpy, fs);
1408
1409 if (Input_Context == NULL)
1410 {
1411 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1412 im_destroy ();
1413 return false;
1414 }
1415
1416#if 0
1417 // unfortunately, only the focus window is used by XIM, hard to fix
1418 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1419 vt_select_input ();
1420#endif
1421
1422 IMSetPosition ();
1423
1424 return true;
1425}
1426
1427void
1428rxvt_term::im_cb ()
1429{
1430 int i;
1431 const char *p;
1432 char **s;
1433 char buf[IMBUFSIZ];
1434
1435 make_current ();
1436
1437 im_destroy ();
1438
1439 if (Input_Context)
1440 return;
1441
1442#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1443 if (rs[Rs_imLocale])
1444 SET_LOCALE (rs[Rs_imLocale]);
1445#endif
1446
1447 p = rs[Rs_inputMethod];
1448 if (p && *p)
1449 {
1450 bool found = false;
1451
1452 s = rxvt_splitcommastring (p);
1453
1454 for (i = 0; s[i]; i++)
1455 {
1456 if (*s[i])
1457 {
1458 strcpy (buf, "@im=");
1459 strncat (buf, s[i], IMBUFSIZ - 5);
1460 if (IM_get_IC (buf))
1461 {
1462 found = true;
1211 break; 1463 break;
1464 }
1212 } 1465 }
1213 } 1466 }
1214 for (i = 0; s[i]; i++)
1215 free(s[i]);
1216 free(s);
1217 XFree(xim_styles);
1218 1467
1468 rxvt_freecommastring (s);
1469
1219 if (!found) { 1470 if (found)
1220 XCloseIM(xim); 1471 goto done;
1221 return False;
1222 } 1472 }
1223 1473
1224 ximcallback.callback = rxvt_IMDestroyCallback; 1474 /* try with XMODIFIERS env. var. */
1475 if (IM_get_IC (""))
1476 goto done;
1225 1477
1226/* XXX: not sure why we need this (as well as IC one below) */ 1478 /* try with no modifiers base IF the user didn't specify an IM */
1227 XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL); 1479 if (IM_get_IC ("@im=none"))
1480 goto done;
1228 1481
1229 preedit_attr = status_attr = NULL; 1482done:
1230 1483#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1231 if (R->input_style & XIMPreeditPosition) { 1484 if (rs[Rs_imLocale])
1232 rxvt_setSize(aR_ & rect); 1485 SET_LOCALE (locale);
1233 rxvt_setPosition(aR_ & spot); 1486#endif
1234 rxvt_setColor(aR_ & fg, &bg);
1235
1236 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1237 XNSpotLocation, &spot,
1238 XNForeground, fg, XNBackground, bg,
1239 //XNFontSet, R->TermWin.fontset,
1240 NULL);
1241 } else if (R->input_style & XIMPreeditArea) {
1242 rxvt_setColor(aR_ & fg, &bg);
1243
1244 /*
1245 * The necessary width of preedit area is unknown
1246 * until create input context.
1247 */
1248 needed_rect.width = 0;
1249
1250 rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1251
1252 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1253 XNForeground, fg, XNBackground, bg,
1254 //XNFontSet, R->TermWin.fontset,
1255 NULL);
1256 status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1257 XNForeground, fg, XNBackground, bg,
1258 //XNFontSet, R->TermWin.fontset,
1259 NULL);
1260 }
1261 R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1262 XNClientWindow, R->TermWin.parent[0],
1263 XNFocusWindow, R->TermWin.parent[0],
1264 XNDestroyCallback, &ximcallback,
1265 preedit_attr ? XNPreeditAttributes : NULL,
1266 preedit_attr,
1267 status_attr ? XNStatusAttributes : NULL,
1268 status_attr, NULL);
1269 if (preedit_attr)
1270 XFree(preedit_attr);
1271 if (status_attr)
1272 XFree(status_attr);
1273 if (R->Input_Context == NULL) {
1274 rxvt_print_error("failed to create input context");
1275 XCloseIM(xim);
1276 return False;
1277 }
1278 if (R->input_style & XIMPreeditArea)
1279 rxvt_IMSetStatusPosition(aR);
1280 D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1281 return True;
1282} 1487}
1283 1488
1284/* EXTPROTO */
1285void 1489void
1286rxvt_IMSetStatusPosition(pR) 1490rxvt_term::IMSetPosition ()
1287{ 1491{
1288 XRectangle preedit_rect, status_rect, *needed_rect; 1492 XRectangle preedit_rect, status_rect, *needed_rect;
1289 XVaNestedList preedit_attr, status_attr; 1493 XVaNestedList preedit_attr, status_attr;
1290 1494
1291 if (R->Input_Context == NULL 1495 if (!Input_Context
1292 || !R->TermWin.focus || !(R->input_style & XIMPreeditArea) 1496 || !focus
1497 || !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1293 || !rxvt_IMisRunning(aR)) 1498 || !IMisRunning ())
1294 return; 1499 return;
1295 1500
1501 if (input_style & XIMPreeditPosition)
1502 {
1503 im_set_size (preedit_rect);
1504 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1505
1506 XSetICValues (Input_Context,
1507 XNPreeditAttributes, preedit_attr, NULL);
1508 }
1509 else
1510 {
1296/* Getting the necessary width of preedit area */ 1511 /* Getting the necessary width of preedit area */
1297 status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL); 1512 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1298 XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL); 1513 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1299 XFree(status_attr); 1514 XFree (status_attr);
1300 1515
1301 rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect); 1516 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1517 XFree (needed_rect);
1302 1518
1303 preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL); 1519 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1304 status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL); 1520 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1305 1521
1306 XSetICValues(R->Input_Context, 1522 XSetICValues (Input_Context,
1307 XNPreeditAttributes, preedit_attr, 1523 XNPreeditAttributes, preedit_attr,
1308 XNStatusAttributes, status_attr, NULL); 1524 XNStatusAttributes, status_attr,
1525 NULL);
1309 1526
1527 XFree (status_attr);
1528 }
1529
1310 XFree(preedit_attr); 1530 XFree (preedit_attr);
1311 XFree(status_attr);
1312} 1531}
1313#endif /* USE_XIM */ 1532#endif /* USE_XIM */
1314 1533
1315/*----------------------------------------------------------------------*/ 1534void
1316rxvt_t rxvt_current_term; 1535rxvt_term::get_window_origin (int &x, int &y)
1536{
1537 Window cr;
1538 XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
1539/* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
1540}
1541
1542Pixmap
1543rxvt_term::get_pixmap_property (int prop_id)
1544{
1545 if (prop_id > 0 && prop_id < NUM_XA)
1546 if (xa[prop_id])
1547 {
1548 int aformat;
1549 unsigned long nitems, bytes_after;
1550 Atom atype;
1551 unsigned char *prop = NULL;
1552 int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
1553 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1554 &nitems, &bytes_after, &prop);
1555 if (result == Success && prop && atype == XA_PIXMAP)
1556 return *(Pixmap *)prop;
1557 }
1558
1559 return None;
1560}
1561
1562#ifdef HAVE_BG_PIXMAP
1563# if TRACE_PIXMAPS
1564# undef update_background
1565void
1566rxvt_term::trace_update_background (const char *file, int line)
1567{
1568 fprintf (stderr, "%s:%d:update_background()\n", file, line);
1569 update_background ();
1570}
1571# endif
1572
1573void
1574rxvt_term::update_background ()
1575{
1576 if (update_background_ev.is_active ())
1577 return;
1578
1579 bgPixmap.invalidate ();
1580
1581 ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
1582
1583 if (to_wait <= 0.)
1584 bgPixmap.render ();
1585 else
1586 update_background_ev.start (to_wait);
1587}
1588
1589void
1590rxvt_term::update_background_cb (ev::timer &w, int revents)
1591{
1592 make_current ();
1593
1594 update_background_ev.stop ();
1595 bgPixmap.render ();
1596 refresh_check ();
1597}
1598
1599#endif /* HAVE_BG_PIXMAP */
1317 1600
1318/*----------------------- end-of-file (C source) -----------------------*/ 1601/*----------------------- end-of-file (C source) -----------------------*/

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