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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.25 by pcg, Sat Jan 31 03:27:45 2004 UTC vs.
Revision 1.213 by root, Tue Jan 31 19:11:43 2006 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*--------------------------------*-C-*---------------------------------*
2 * File: main.c 2 * File: main.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * 4 *
5 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
6 * 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>
7 * - original version 7 * - original version
11 * Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA> 11 * Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
12 * - extensive modifications 12 * - extensive modifications
13 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> 13 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
14 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> 14 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
15 * - extensive modifications 15 * - extensive modifications
16 * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
16 * 17 *
17 * 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
18 * 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
19 * the Free Software Foundation; either version 2 of the License, or 20 * the Free Software Foundation; either version 2 of the License, or
20 * (at your option) any later version. 21 * (at your option) any later version.
29 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 30 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30 *---------------------------------------------------------------------*/ 31 *---------------------------------------------------------------------*/
31 32
32#include "../config.h" /* NECESSARY */ 33#include "../config.h" /* NECESSARY */
33#include "rxvt.h" /* NECESSARY */ 34#include "rxvt.h" /* NECESSARY */
34#include "main.intpro" /* PROTOS for internal routines */ 35#include "keyboard.h"
36#include "rxvtperl.h"
35 37
38#include <limits>
39
36#include <signal.h> 40#include <csignal>
41#include <cstring>
37 42
38#ifdef TTY_GID_SUPPORT 43#ifdef TTY_GID_SUPPORT
39# include <grp.h> 44# include <grp.h>
40#endif 45#endif
41 46
42#ifdef HAVE_TERMIOS_H 47#ifdef HAVE_TERMIOS_H
43# include <termios.h> 48# include <termios.h>
44#endif 49#endif
45 50
46#include <cstring> 51vector<rxvt_term *> rxvt_term::termlist;
47 52
53// used to tell global functions which terminal instance is "active"
54rxvt_t rxvt_current_term;
55
48static char curlocale[128]; 56static char curlocale[128], savelocale[128];
49 57
50void 58bool
51rxvt_set_locale (const char *locale) 59rxvt_set_locale (const char *locale) NOTHROW
52{ 60{
53 if (locale && STRNCMP (locale, curlocale, 128)) 61 if (!locale || !strncmp (locale, curlocale, 128))
54 { 62 return false;
63
55 STRNCPY (curlocale, locale, 128); 64 strncpy (curlocale, locale, 128);
56 setlocale (LC_CTYPE, curlocale); 65 setlocale (LC_CTYPE, curlocale);
57 } 66 return true;
58} 67}
59 68
60void * 69void
61rxvt_term::operator new (size_t s) 70rxvt_push_locale (const char *locale) NOTHROW
62{ 71{
63 void *p = malloc (s); 72 strcpy (savelocale, curlocale);
73 rxvt_set_locale (locale);
74}
64 75
65 MEMSET (p, 0, s); 76void
77rxvt_pop_locale () NOTHROW
78{
79 rxvt_set_locale (savelocale);
80}
81
82#if ENABLE_COMBINING
83class rxvt_composite_vec rxvt_composite;
84
85text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
86{
87 compose_char *cc;
88
89 // break compose chains, as stupid readline really likes to duplicate
90 // composing characters for some reason near the end of a line.
91 cc = (*this)[c1];
92 while (cc)
93 {
94 if (cc->c2 == c2) return c1;
95 cc = (*this)[cc->c1];
96 }
97
98 // check to see wether this combination already exists otherwise
99 for (cc = v.end (); cc-- > v.begin (); )
100 {
101 if (cc->c1 == c1 && cc->c2 == c2)
102 return COMPOSE_LO + (cc - v.begin ());
103 }
104
105 // allocate a new combination
106 if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
107 {
108 static int seen;
109
110 if (!seen++)
111 fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
112
113 return REPLACEMENT_CHAR;
114 }
115
116 v.push_back (compose_char (c1, c2));
117
118 return v.size () - 1 + COMPOSE_LO;
119}
120
121int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
122{
123 compose_char *cc = (*this)[c];
124
125 if (!cc)
126 {
127 if (r) *r = c;
128 return 1;
129 }
130
131 int len = expand (cc->c1, r);
132
133 if (r) r += len;
134
135 if (cc->c2 != NOCHAR)
136 {
137 len++;
138 if (r) *r++ = cc->c2;
139 }
140
66 return p; 141 return len;
67}
68 142
69void
70rxvt_term::operator delete (void *p, size_t s)
71{
72 free (p);
73} 143}
144#endif
74 145
75rxvt_term::rxvt_term () 146rxvt_term::rxvt_term ()
76: 147 :
148#if TRANSPARENT
149 rootwin_ev (this, &rxvt_term::rootwin_cb),
150#endif
151#ifdef HAVE_SCROLLBARS
152 scrollbar_ev (this, &rxvt_term::x_cb),
153#endif
77#ifdef CURSOR_BLINK 154#ifdef CURSOR_BLINK
78 cursor_blink_ev (this, &rxvt_term::cursor_blink_cb), 155 cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
79#endif 156#endif
80#ifdef TEXT_BLINK 157#ifdef TEXT_BLINK
81 text_blink_ev (this, &rxvt_term::text_blink_cb), 158 text_blink_ev (this, &rxvt_term::text_blink_cb),
159#endif
160#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
161 cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
162#endif
163#ifdef SELECTION_SCROLLING
164 sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
165#endif
166#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
167 slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
82#endif 168#endif
83#ifdef POINTER_BLANK 169#ifdef POINTER_BLANK
84 pointer_ev (this, &rxvt_term::pointer_cb), 170 pointer_ev (this, &rxvt_term::pointer_cb),
85#endif 171#endif
172#ifdef USE_XIM
173 im_ev (this, &rxvt_term::im_cb),
174#endif
175#ifndef NO_BELL
176 bell_ev (this, &rxvt_term::bell_cb),
177#endif
178 termwin_ev (this, &rxvt_term::x_cb),
179 vt_ev (this, &rxvt_term::x_cb),
180 child_ev (this, &rxvt_term::child_cb),
86 check_ev (this, &rxvt_term::check_cb), 181 check_ev (this, &rxvt_term::check_cb),
182 flush_ev (this, &rxvt_term::flush_cb),
87 destroy_ev (this, &rxvt_term::destroy_cb), 183 destroy_ev (this, &rxvt_term::destroy_cb),
88 pty_ev (this, &rxvt_term::pty_cb), 184 pty_ev (this, &rxvt_term::pty_cb),
89 x_ev (this, &rxvt_term::x_cb),
90 incr_ev (this, &rxvt_term::incr_cb) 185 incr_ev (this, &rxvt_term::incr_cb)
91{ 186{
92 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base; 187 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
188
189 termlist.push_back (this);
190
191#ifdef KEYSYM_RESOURCE
192 keyboard = new keyboard_manager;
193#endif
194}
195
196// clean up the most important stuff, do *not* call x or free mem etc.
197// for use before an emergency exit
198void rxvt_term::emergency_cleanup ()
199{
200 if (cmd_pid)
201 kill (-cmd_pid, SIGHUP);
202
203 delete pty; pty = 0;
93} 204}
94 205
95rxvt_term::~rxvt_term () 206rxvt_term::~rxvt_term ()
96{ 207{
208 termlist.erase (find (termlist.begin (), termlist.end(), this));
209
210 emergency_cleanup ();
211
212#if ENABLE_STYLES
213 for (int i = RS_styleCount; --i; )
214 if (fontset[i] != fontset[0])
215 delete fontset[i];
216#endif
217 delete fontset[0];
218
219 if (display)
220 {
221 selection_clear ();
222
223#ifdef USE_XIM
224 im_destroy ();
225#endif
226#ifdef XTERM_SCROLLBAR
227 if (xscrollbarGC) XFreeGC (xdisp, xscrollbarGC);
228 if (ShadowGC) XFreeGC (xdisp, ShadowGC);
229#endif
230#ifdef PLAIN_SCROLLBAR
231 if (pscrollbarGC) XFreeGC (xdisp, pscrollbarGC);
232#endif
233#ifdef NEXT_SCROLLBAR
234 if (blackGC) XFreeGC (xdisp, blackGC);
235 if (whiteGC) XFreeGC (xdisp, whiteGC);
236 if (grayGC) XFreeGC (xdisp, grayGC);
237 if (darkGC) XFreeGC (xdisp, darkGC);
238 if (stippleGC) XFreeGC (xdisp, stippleGC);
239 if (dimple) XFreePixmap (xdisp, dimple);
240 if (upArrow) XFreePixmap (xdisp, upArrow);
241 if (downArrow) XFreePixmap (xdisp, downArrow);
242 if (upArrowHi) XFreePixmap (xdisp, upArrowHi);
243 if (downArrowHi) XFreePixmap (xdisp, downArrowHi);
244#endif
245#ifdef RXVT_SCROLLBAR
246 if (topShadowGC) XFreeGC (xdisp, topShadowGC);
247 if (botShadowGC) XFreeGC (xdisp, botShadowGC);
248 if (scrollbarGC) XFreeGC (xdisp, scrollbarGC);
249#endif
250 if (gc) XFreeGC (xdisp, gc);
251
252 delete drawable;
253 // destroy all windows
254 if (parent[0])
255 XDestroyWindow (xdisp, parent[0]);
256
257 clear ();
258 }
259
260 // TODO: free pixcolours, colours should become part of rxvt_display
261 delete pix_colors_focused;
262#if OFF_FOCUS_FADING
263 delete pix_colors_unfocused;
264#endif
265
266 displays.put (display);
267
97 scr_release (); 268 scr_release ();
98 269
270 /* clear all resources */
271 for (int i = 0; i < allocated.size (); i++)
272 free (allocated [i]);
273
274 free (selection.text);
275 // TODO: manage env vars in child only(!)
276 free (env_display);
277 free (env_term);
99 free (locale); 278 free (locale);
100 free (codeset); 279 free (v_buffer);
280 free (incr_buf);
101 281
102#ifndef NO_SETOWNER_TTYDEV 282 delete envv;
103 privileged_ttydev (RESTORE); 283 delete argv;
104#endif
105#ifdef UTMP_SUPPORT
106 privileged_utmp (RESTORE);
107#endif
108#ifdef USE_XIM
109 if (Input_Context != NULL)
110 {
111 XDestroyIC (Input_Context);
112 Input_Context = NULL;
113 }
114#endif
115 284
116 if (cmd_fd >= 0) 285#ifdef KEYSYM_RESOURCE
117 close (cmd_fd); 286 delete keyboard;
287#endif
288}
118 289
119 if (Xfd >= 0) 290// child has exited, usually destroys
120 XCloseDisplay (Xdisplay); 291void
292rxvt_term::child_cb (child_watcher &w, int status)
293{
294 HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
121 295
122 delete PixColors; 296 cmd_pid = 0;
297
298 if (!OPTION (Opt_hold))
299 destroy ();
123} 300}
124 301
125void 302void
126rxvt_term::destroy () 303rxvt_term::destroy ()
127{ 304{
305 if (destroy_ev.active)
306 return;
307
308 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
309
310#if ENABLE_OVERLAY
311 scr_overlay_off ();
312#endif
313
314 if (display)
315 {
316#if USE_XIM
317 im_ev.stop (display);
318#endif
319#if HAVE_SCROLLBARS
320 scrollbar_ev.stop (display);
321#endif
322#if TRANSPARENT
323 rootwin_ev.stop (display);
324#endif
325 incr_ev.stop ();
326 termwin_ev.stop (display);
327 vt_ev.stop (display);
328 }
329
128 check_ev.stop (); 330 check_ev.stop ();
129 pty_ev.stop (); 331 pty_ev.stop ();
130 x_ev.stop ();
131#ifdef CURSOR_BLINK 332#ifdef CURSOR_BLINK
132 cursor_blink_ev.stop (); 333 cursor_blink_ev.stop ();
133#endif 334#endif
134#ifdef TEXT_BLINK 335#ifdef TEXT_BLINK
135 text_blink_ev.stop (); 336 text_blink_ev.stop ();
136#endif 337#endif
338#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
339 cont_scroll_ev.stop ();
340#endif
341#ifdef SELECTION_SCROLLING
342 sel_scroll_ev.stop ();
343#endif
137#ifdef POINTER_BLANK 344#ifdef POINTER_BLANK
138 pointer_ev.stop (); 345 pointer_ev.stop ();
139#endif 346#endif
140 347
141 destroy_ev.start (0); 348 destroy_ev.start (0);
142} 349}
143 350
144void 351void
145rxvt_term::destroy_cb (time_watcher &w) 352rxvt_term::destroy_cb (time_watcher &w)
146{ 353{
147 SET_R (this); 354 make_current ();
148 355
149 delete this; 356 delete this;
150}
151
152/*----------------------------------------------------------------------*/
153/* rxvt_init() */
154/* LIBPROTO */
155rxvt_t
156rxvt_init (int argc, const char *const *argv)
157{
158 SET_R (new rxvt_term);
159
160 if (!GET_R->init_vars () || !GET_R->init (argc, argv))
161 {
162 delete GET_R;
163 SET_R (0);
164 }
165
166 return GET_R;
167}
168
169void
170rxvt_init_signals ()
171{
172/* install exit handler for cleanup */
173#if 0
174#ifdef HAVE_ATEXIT
175 atexit(rxvt_clean_exit);
176#else
177#endif
178#endif
179
180 struct sigaction sa;
181
182 sigfillset (&sa.sa_mask);
183 sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
184 sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
185 sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
186 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
187 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
188 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
189 sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
190
191/* need to trap SIGURG for SVR4 (Unixware) rlogin */
192/* signal (SIGURG, SIG_DFL); */
193
194 XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
195 //XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
196}
197
198bool
199rxvt_term::init (int argc, const char *const *argv)
200{
201 /*
202 * Save and then give up any super-user privileges
203 * If we need privileges in any area then we must specifically request it.
204 * We should only need to be root in these cases:
205 * 1. write utmp entries on some systems
206 * 2. chown tty on some systems
207 */
208 privileges (SAVE);
209 privileges (IGNORE);
210
211 init_secondary ();
212
213 const char **cmd_argv = init_resources (argc, argv);
214
215 set_locale ("");
216
217#if (MENUBAR_MAX)
218 menubar_read (rs[Rs_menu]);
219#endif
220#ifdef HAVE_SCROLLBARS
221 if (Options & Opt_scrollBar)
222 scrollBar.setIdle (); /* set existence for size calculations */
223#endif
224
225 create_windows (argc, argv);
226
227 init_xlocale ();
228
229 scr_reset (); /* initialize screen */
230#ifdef RXVT_GRAPHICS
231 Gr_reset (); /* reset graphics */
232#endif
233
234#if 0
235#ifdef DEBUG_X
236 XSynchronize(Xdisplay, True);
237#endif
238#endif
239
240#ifdef HAVE_SCROLLBARS
241 if (Options & Opt_scrollBar)
242 resize_scrollbar (); /* create and map scrollbar */
243#endif
244#if (MENUBAR_MAX)
245 if (menubar_visible(r))
246 XMapWindow (Xdisplay, menuBar.win);
247#endif
248#ifdef TRANSPARENT
249 if (Options & Opt_transparent)
250 {
251 XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
252 check_our_parents ();
253 }
254#endif
255 XMapWindow (Xdisplay, TermWin.vt);
256 XMapWindow (Xdisplay, TermWin.parent[0]);
257
258 init_env ();
259 init_command (cmd_argv);
260
261 x_ev.start (Xfd, EVENT_READ);
262 pty_ev.start (cmd_fd, EVENT_READ);
263
264 check_ev.start ();
265
266 process_x_events ();
267
268 return true;
269}
270
271/* ------------------------------------------------------------------------- *
272 * SIGNAL HANDLING & EXIT HANDLER *
273 * ------------------------------------------------------------------------- */
274/*
275 * Catch a SIGCHLD signal and exit if the direct child has died
276 */
277/* ARGSUSED */
278/* EXTPROTO */
279RETSIGTYPE
280rxvt_Child_signal(int sig __attribute__ ((unused)))
281{
282 int pid, save_errno = errno;
283 while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
284 ;
285 errno = save_errno;
286
287#if 0
288 if (pid == cmd_pid)
289 exit (EXIT_SUCCESS);
290#endif
291}
292
293/*
294 * Catch a fatal signal and tidy up before quitting
295 */
296/* EXTPROTO */
297RETSIGTYPE
298rxvt_Exit_signal(int sig)
299{
300 signal(sig, SIG_DFL);
301#ifdef DEBUG_CMD
302 rxvt_print_error("signal %d", sig);
303#endif
304 rxvt_clean_exit();
305 kill(getpid(), sig);
306}
307
308/* ARGSUSED */
309/* EXTPROTO */
310int
311rxvt_xerror_handler(const Display * display
312 __attribute__ ((unused)), const XErrorEvent * event)
313{
314 if (GET_R->allowedxerror == -1)
315 GET_R->allowedxerror = event->error_code;
316 else
317 {
318 rxvt_print_error("XError: Request: %d . %d, Error: %d",
319 event->request_code, event->minor_code,
320 event->error_code);
321
322 GET_R->destroy ();
323 }
324
325 return 0;
326} 357}
327 358
328/*----------------------------------------------------------------------*/ 359/*----------------------------------------------------------------------*/
329/* 360/*
330 * Exit gracefully, clearing the utmp entry and restoring tty attributes 361 * Exit gracefully, clearing the utmp entry and restoring tty attributes
331 * TODO: if debugging, this should free up any known resources if we can 362 * TODO: if debugging, this should free up any known resources if we can
332 */ 363 */
333/* EXTPROTO */ 364static XErrorHandler old_xerror_handler;
365
366static void
367rxvt_emergency_cleanup ()
368{
369 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
370 (*t)->emergency_cleanup ();
371}
372
373#if !ENABLE_MINIMAL
374static void
375print_x_error (Display *dpy, XErrorEvent *event)
376{
377 char buffer[BUFSIZ];
378 char mesg[BUFSIZ];
379 char number[32];
380 char *mtype = "XlibMessage";
381 XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
382 XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
383 rxvt_warn ("An X Error occured, trying to continue after report.\n");
384 rxvt_warn ("%s: %s\n", mesg, buffer);
385 XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
386 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
387 sprintf(number, "%d", event->request_code);
388 XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
389 rxvt_warn ("(which is %s)\n", buffer);
390 if (event->request_code >= 128) {
391 XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
392 mesg, BUFSIZ);
393 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
394 }
395 if ((event->error_code == BadWindow) ||
396 (event->error_code == BadPixmap) ||
397 (event->error_code == BadCursor) ||
398 (event->error_code == BadFont) ||
399 (event->error_code == BadDrawable) ||
400 (event->error_code == BadColor) ||
401 (event->error_code == BadGC) ||
402 (event->error_code == BadIDChoice) ||
403 (event->error_code == BadValue) ||
404 (event->error_code == BadAtom)) {
405 if (event->error_code == BadValue)
406 XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
407 mesg, BUFSIZ);
408 else if (event->error_code == BadAtom)
409 XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
410 mesg, BUFSIZ);
411 else
412 XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
413 mesg, BUFSIZ);
414 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
415 }
416 XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
417 mesg, BUFSIZ);
418 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
419}
420#endif
421
422int
423rxvt_xerror_handler (Display *display, XErrorEvent *event)
424{
425 if (GET_R->allowedxerror == -1)
426 GET_R->allowedxerror = event->error_code;
427 else
428 {
429 // GET_R is most likely not the terminal which caused the error,
430 // so just output the error and continue
431#if ENABLE_MINIMAL
432 old_xerror_handler (display, event);
433#else
434 print_x_error (display, event);
435#endif
436 }
437
438 return 0;
439}
440
441int
442rxvt_xioerror_handler (Display *display)
443{
444 rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
445 DisplayString (display));
446 rxvt_emergency_cleanup ();
447 _exit (EXIT_FAILURE);
448}
449
450/*----------------------------------------------------------------------*/
451bool
452rxvt_term::init (int argc, const char *const *argv, stringvec *envv)
453{
454 this->envv = envv;
455
456 SET_R (this);
457 set_locale ("");
458 set_environ (envv); // few things in X do not call setlocale :(
459
460 if (!init_vars ())
461 return false;
462
463 init_secondary ();
464
465 const char **cmd_argv = init_resources (argc, argv);
466
467#ifdef KEYSYM_RESOURCE
468 keyboard->register_done ();
469#endif
470
471#ifdef HAVE_SCROLLBARS
472 if (OPTION (Opt_scrollBar))
473 scrollBar.setIdle (); /* set existence for size calculations */
474#endif
475
476 pty = ptytty::create ();
477
478 create_windows (argc, argv);
479
480 init_xlocale ();
481
482 scr_reset (); // initialize screen
483
484#if 0
485 XSynchronize (xdisp, True);
486#endif
487
488#ifdef HAVE_SCROLLBARS
489 if (OPTION (Opt_scrollBar))
490 resize_scrollbar (); /* create and map scrollbar */
491#endif
492#ifdef TRANSPARENT
493 if (OPTION (Opt_transparent))
494 {
495 XSelectInput (xdisp, display->root, PropertyChangeMask);
496 check_our_parents ();
497 rootwin_ev.start (display, display->root);
498 }
499#endif
500
501 set_colorfgbg ();
502
503 init_command (cmd_argv);
504
505 free (cmd_argv);
506
507 if (pty->pty >= 0)
508 pty_ev.start (pty->pty, EVENT_READ);
509
510 check_ev.start ();
511
512 HOOK_INVOKE ((this, HOOK_START, DT_END));
513
514#if ENABLE_XEMBED
515 if (rs[Rs_embed])
516 {
517 long info[2] = { 0, XEMBED_MAPPED };
518
519 XChangeProperty (xdisp, parent[0], xa[XA_XEMBED_INFO], xa[XA_XEMBED_INFO],
520 32, PropModeReplace, (unsigned char *)&info, 2);
521 }
522#endif
523
524 XMapWindow (xdisp, vt);
525 XMapWindow (xdisp, parent[0]);
526
527 return true;
528}
529
530static struct sig_handlers
531{
532 sig_watcher sw_term, sw_int;
533
534 /*
535 * Catch a fatal signal and tidy up before quitting
536 */
334void 537 void
335rxvt_clean_exit () 538 sig_term (sig_watcher &w)
539 {
540 rxvt_emergency_cleanup ();
541 signal (w.signum, SIG_DFL);
542 kill (getpid (), w.signum);
543 }
544
545 sig_handlers ()
546 : sw_term (this, &sig_handlers::sig_term),
547 sw_int (this, &sig_handlers::sig_term)
548 {
549 }
550} sig_handlers;
551
552char **rxvt_environ; // startup environment
553
554void
555rxvt_init ()
336{ 556{
337 GET_R->destroy (); 557 ptytty::init ();
558
559 rxvt_environ = environ;
560
561 signal (SIGHUP, SIG_IGN);
562 signal (SIGPIPE, SIG_IGN);
563
564 sig_handlers.sw_term.start (SIGTERM);
565 sig_handlers.sw_int.start (SIGINT);
566
567 /* need to trap SIGURG for SVR4 (Unixware) rlogin */
568 /* signal (SIGURG, SIG_DFL); */
569
570 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
571 // TODO: handle this with exceptions and tolerate the memory loss
572 XSetIOErrorHandler (rxvt_xioerror_handler);
573
574 XrmInitialize ();
338} 575}
339 576
340/* ------------------------------------------------------------------------- * 577/* ------------------------------------------------------------------------- *
341 * MEMORY ALLOCATION WRAPPERS * 578 * MEMORY ALLOCATION WRAPPERS *
342 * ------------------------------------------------------------------------- */ 579 * ------------------------------------------------------------------------- */
343/* EXTPROTO */ 580void *
344void *
345rxvt_malloc(size_t size) 581rxvt_malloc (size_t size)
346{ 582{
347 void *p;
348
349 p = malloc(size); 583 void *p = malloc (size);
584
350 if (p) 585 if (!p)
586 rxvt_fatal ("memory allocation failure. aborting.\n");
587
351 return p; 588 return p;
352
353 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
354 rxvt_clean_exit();
355 exit(EXIT_FAILURE);
356/* NOTREACHED */
357} 589}
358 590
359/* EXTPROTO */ 591void *
360void *
361rxvt_calloc(size_t number, size_t size) 592rxvt_calloc (size_t number, size_t size)
362{ 593{
363 void *p;
364
365 p = calloc(number, size); 594 void *p = calloc (number, size);
595
366 if (p) 596 if (!p)
597 rxvt_fatal ("memory allocation failure. aborting.\n");
598
367 return p; 599 return p;
368
369 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
370 rxvt_clean_exit();
371 exit(EXIT_FAILURE);
372/* NOTREACHED */
373} 600}
374 601
375/* EXTPROTO */ 602void *
376void *
377rxvt_realloc(void *ptr, size_t size) 603rxvt_realloc (void *ptr, size_t size)
378{ 604{
379 void *p;
380
381 if (ptr)
382 p = realloc(ptr, size); 605 void *p = realloc (ptr, size);
383 else 606
384 p = malloc(size);
385 if (p) 607 if (!p)
608 rxvt_fatal ("memory allocation failure. aborting.\n");
609
386 return p; 610 return p;
387
388 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
389 rxvt_clean_exit();
390 exit(EXIT_FAILURE);
391/* NOTREACHED */
392} 611}
393
394/* ------------------------------------------------------------------------- *
395 * PRIVILEGED OPERATIONS *
396 * ------------------------------------------------------------------------- */
397/* take care of suid/sgid super-user (root) privileges */
398void
399rxvt_term::privileges (int mode)
400{
401#if ! defined(__CYGWIN32__)
402# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
403/* setreuid() is the poor man's setuid(), seteuid() */
404# define seteuid(a) setreuid(-1, (a))
405# define setegid(a) setregid(-1, (a))
406# define HAVE_SETEUID
407# endif
408# ifdef HAVE_SETEUID
409 switch (mode) {
410 case IGNORE:
411 /*
412 * change effective uid/gid - not real uid/gid - so we can switch
413 * back to root later, as required
414 */
415 seteuid(getuid());
416 setegid(getgid());
417 break;
418 case SAVE:
419 euid = geteuid();
420 egid = getegid();
421 break;
422 case RESTORE:
423 seteuid(euid);
424 setegid(egid);
425 break;
426 }
427# else
428 switch (mode) {
429 case IGNORE:
430 setuid(getuid());
431 setgid(getgid());
432 /* FALLTHROUGH */
433 case SAVE:
434 /* FALLTHROUGH */
435 case RESTORE:
436 break;
437 }
438# endif
439#endif
440}
441
442#ifdef UTMP_SUPPORT
443void
444rxvt_term::privileged_utmp (char action)
445{
446 D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
447 action, next_utmp_action, getpid()));
448 if (next_utmp_action != action || (action != SAVE && action != RESTORE)
449 || (Options & Opt_utmpInhibit)
450 || ttydev == NULL || *ttydev == '\0')
451 return;
452
453 privileges (RESTORE);
454 if (action == SAVE) {
455 next_utmp_action = RESTORE;
456 makeutent (ttydev, rs[Rs_display_name]);
457 } else { /* action == RESTORE */
458 next_utmp_action = IGNORE;
459 cleanutent ();
460 }
461 privileges (IGNORE);
462}
463#endif
464
465#ifndef NO_SETOWNER_TTYDEV
466void
467rxvt_term::privileged_ttydev (char action)
468{
469 D_MAIN((stderr,
470 "privileged_ttydev (%c); waiting for: %c (pid: %d)",
471 action, next_tty_action, getpid()));
472 if (next_tty_action != action || (action != SAVE && action != RESTORE)
473 || ttydev == NULL || *ttydev == '\0')
474 return;
475
476 privileges (RESTORE);
477
478 if (action == SAVE) {
479 next_tty_action = RESTORE;
480# ifndef RESET_TTY_TO_COMMON_DEFAULTS
481/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
482 if (lstat(ttydev, &ttyfd_stat) < 0) /* you lose out */
483 next_tty_action = IGNORE;
484 else
485# endif
486 {
487 chown(ttydev, getuid(), ttygid); /* fail silently */
488 chmod(ttydev, ttymode);
489# ifdef HAVE_REVOKE
490 revoke(ttydev);
491# endif
492 }
493 } else { /* action == RESTORE */
494 next_tty_action = IGNORE;
495# ifndef RESET_TTY_TO_COMMON_DEFAULTS
496 chmod(ttydev, ttyfd_stat.st_mode);
497 chown(ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
498# else
499 chmod(ttydev,
500 (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
501 chown(ttydev, 0, 0);
502# endif
503 }
504
505 privileges (IGNORE);
506
507# ifndef RESET_TTY_TO_COMMON_DEFAULTS
508 D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
509 action == RESTORE ? "Restoring" : (action ==
510 SAVE ? "Saving" :
511 "UNKNOWN ERROR for"), ttydev,
512 ttyfd_stat.st_mode, ttyfd_stat.st_uid,
513 ttyfd_stat.st_gid));
514# endif
515}
516#endif
517 612
518/*----------------------------------------------------------------------*/ 613/*----------------------------------------------------------------------*/
519/* 614/*
520 * window size/position calculcations for XSizeHint and other storage. 615 * window size/position calculcations for XSizeHint and other storage.
521 * if width/height are non-zero then override calculated width/height 616 * if width/height are non-zero then override calculated width/height
522 */ 617 */
523void 618void
524rxvt_term::window_calc (unsigned int width, unsigned int height) 619rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
525{ 620{
526 short recalc_x, recalc_y; 621 short recalc_x, recalc_y;
527 int x, y, sb_w, mb_h, flags; 622 int x, y, sb_w, flags;
528 unsigned int w, h; 623 unsigned int w, h;
529 unsigned int max_width, max_height; 624 unsigned int max_width, max_height;
530 625
531 D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
532 TermWin.ncol, TermWin.nrow, szHint.width,
533 szHint.height));
534 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; 626 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
535 szHint.win_gravity = NorthWestGravity; 627 szHint.win_gravity = NorthWestGravity;
536/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */ 628 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
537 629
538 recalc_x = recalc_y = 0; 630 recalc_x = recalc_y = 0;
539 flags = 0; 631 flags = 0;
632
540 if (!parsed_geometry) { 633 if (!parsed_geometry)
634 {
541 parsed_geometry = 1; 635 parsed_geometry = 1;
636
542 if (rs[Rs_geometry]) 637 if (rs[Rs_geometry])
543 flags = XParseGeometry(rs[Rs_geometry], &x, &y, &w, &h); 638 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
639
544 if (flags & WidthValue) { 640 if (flags & WidthValue)
545 TermWin.ncol = BOUND_POSITIVE_INT16(w); 641 {
642 ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
546 szHint.flags |= USSize; 643 szHint.flags |= USSize;
547 } 644 }
645
548 if (flags & HeightValue) { 646 if (flags & HeightValue)
549 TermWin.nrow = BOUND_POSITIVE_INT16(h); 647 {
648 nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
550 szHint.flags |= USSize; 649 szHint.flags |= USSize;
551 } 650 }
651
552 if (flags & XValue) { 652 if (flags & XValue)
653 {
553 szHint.x = x; 654 szHint.x = x;
554 szHint.flags |= USPosition; 655 szHint.flags |= USPosition;
656
555 if (flags & XNegative) { 657 if (flags & XNegative)
658 {
556 recalc_x = 1; 659 recalc_x = 1;
557 szHint.win_gravity = NorthEastGravity; 660 szHint.win_gravity = NorthEastGravity;
558 } 661 }
559 } 662 }
663
560 if (flags & YValue) { 664 if (flags & YValue)
665 {
561 szHint.y = y; 666 szHint.y = y;
562 szHint.flags |= USPosition; 667 szHint.flags |= USPosition;
668
563 if (flags & YNegative) { 669 if (flags & YNegative)
670 {
564 recalc_y = 1; 671 recalc_y = 1;
672
565 if (szHint.win_gravity == NorthEastGravity) 673 if (szHint.win_gravity == NorthEastGravity)
566 szHint.win_gravity = SouthEastGravity; 674 szHint.win_gravity = SouthEastGravity;
567 else 675 else
568 szHint.win_gravity = SouthWestGravity; 676 szHint.win_gravity = SouthWestGravity;
569 } 677 }
570 } 678 }
571 } 679 }
680
572/* TODO: BOUNDS */ 681 /* TODO: BOUNDS */
573 TermWin.width = TermWin.ncol * TermWin.fwidth; 682 width = ncol * fwidth;
574 TermWin.height = TermWin.nrow * TermWin.fheight; 683 height = nrow * fheight;
575 max_width = MAX_COLS * TermWin.fwidth; 684 max_width = MAX_COLS * fwidth;
576 max_height = MAX_ROWS * TermWin.fheight; 685 max_height = MAX_ROWS * fheight;
577 686
578 szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth; 687 szHint.base_width = szHint.base_height = 2 * int_bwidth;
579 688
580 sb_w = mb_h = 0; 689 sb_w = 0;
581 window_vt_x = window_vt_y = 0; 690 window_vt_x = window_vt_y = int_bwidth;
582 if (scrollbar_visible ()) { 691
692 if (scrollBar.state)
693 {
583 sb_w = scrollbar_TotalWidth(); 694 sb_w = scrollbar_TotalWidth ();
584 szHint.base_width += sb_w; 695 szHint.base_width += sb_w;
696
585 if (!(Options & Opt_scrollBar_right)) 697 if (!OPTION (Opt_scrollBar_right))
586 window_vt_x = sb_w; 698 window_vt_x += sb_w;
587 } 699 }
588 if (menubar_visible ()) { 700
589 mb_h = menuBar_TotalHeight();
590 szHint.base_height += mb_h;
591 window_vt_y = mb_h;
592 }
593 szHint.width_inc = TermWin.fwidth; 701 szHint.width_inc = fwidth;
594 szHint.height_inc = TermWin.fheight; 702 szHint.height_inc = fheight;
595 szHint.min_width = szHint.base_width + szHint.width_inc; 703 szHint.min_width = szHint.base_width + szHint.width_inc;
596 szHint.min_height = szHint.base_height + szHint.height_inc; 704 szHint.min_height = szHint.base_height + szHint.height_inc;
597 705
598 if (width && width - szHint.base_width < max_width) { 706 if (newwidth && newwidth - szHint.base_width < max_width)
707 {
599 szHint.width = width; 708 szHint.width = newwidth;
600 TermWin.width = width - szHint.base_width; 709 width = newwidth - szHint.base_width;
601 } else { 710 }
602 MIN_IT(TermWin.width, max_width); 711 else
712 {
713 min_it (width, max_width);
603 szHint.width = szHint.base_width + TermWin.width; 714 szHint.width = szHint.base_width + width;
604 } 715 }
716
605 if (height && height - szHint.base_height < max_height) { 717 if (newheight && newheight - szHint.base_height < max_height)
718 {
606 szHint.height = height; 719 szHint.height = newheight;
607 TermWin.height = height - szHint.base_height; 720 height = newheight - szHint.base_height;
608 } else { 721 }
722 else
723 {
609 MIN_IT(TermWin.height, max_height); 724 min_it (height, max_height);
610 szHint.height = szHint.base_height + TermWin.height; 725 szHint.height = szHint.base_height + height;
611 } 726 }
612 if (scrollbar_visible () && (Options & Opt_scrollBar_right)) 727
728 if (scrollBar.state && OPTION (Opt_scrollBar_right))
613 window_sb_x = szHint.width - sb_w; 729 window_sb_x = szHint.width - sb_w;
614 730
615 if (recalc_x) 731 if (recalc_x)
616 szHint.x += (DisplayWidth (Xdisplay, DefaultScreen (Xdisplay)) 732 szHint.x += DisplayWidth (xdisp, display->screen) - szHint.width - 2 * ext_bwidth;
617 - szHint.width - 2 * TermWin.ext_bwidth); 733
618 if (recalc_y) 734 if (recalc_y)
619 szHint.y += (DisplayHeight (Xdisplay, DefaultScreen (Xdisplay)) 735 szHint.y += DisplayHeight (xdisp, display->screen) - szHint.height - 2 * ext_bwidth;
620 - szHint.height - 2 * TermWin.ext_bwidth);
621 736
622 TermWin.ncol = TermWin.width / TermWin.fwidth; 737 ncol = width / fwidth;
623 TermWin.nrow = TermWin.height / TermWin.fheight; 738 nrow = height / fheight;
624 D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
625 TermWin.ncol, TermWin.nrow, szHint.width,
626 szHint.height));
627 return;
628} 739}
629 740
630/*----------------------------------------------------------------------*/ 741/*----------------------------------------------------------------------*/
631/* 742/*
632 * Tell the teletype handler what size the window is. 743 * Tell the teletype handler what size the window is.
633 * Called after a window size change. 744 * Called after a window size change.
634 */ 745 */
635void 746void
636rxvt_term::tt_winch () 747rxvt_term::tt_winch ()
637{ 748{
749 if (pty->pty < 0)
750 return;
751
638 struct winsize ws; 752 struct winsize ws;
639 753
640 if (cmd_fd < 0)
641 return;
642
643 ws.ws_col = TermWin.ncol; 754 ws.ws_col = ncol;
644 ws.ws_row = TermWin.nrow; 755 ws.ws_row = nrow;
645 ws.ws_xpixel = ws.ws_ypixel = 0; 756 ws.ws_xpixel = width;
646#ifndef DEBUG_SIZE 757 ws.ws_ypixel = height;
647 (void)ioctl (cmd_fd, TIOCSWINSZ, &ws); 758 (void)ioctl (pty->pty, TIOCSWINSZ, &ws);
648#else 759
649 if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0) 760#if 0
650 D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd)); 761 // TIOCSWINSZ⎈ is supposed to do this automatically and correctly
651# ifdef SIGWINCH
652 else if (cmd_pid) /* force through to the command */ 762 if (cmd_pid) /* force through to the command */
653 kill (cmd_pid, SIGWINCH); 763 kill (-cmd_pid, SIGWINCH);
654# endif
655#endif 764#endif
656} 765}
657 766
658/*----------------------------------------------------------------------*/ 767/*----------------------------------------------------------------------*/
659/* rxvt_change_font() - Switch to a new font */ 768/* set_fonts () - load and set the various fonts
660/* 769 *
661 * init = 1 - initialize 770 * init = 1 - initialize
662 * 771 *
663 * fontname == FONT_UP - switch to bigger font 772 * fontname == FONT_UP - switch to bigger font
664 * fontname == FONT_DN - switch to smaller font 773 * fontname == FONT_DN - switch to smaller font
665 */ 774 */
666void 775bool
667rxvt_term::change_font (int init, const char *fontname) 776rxvt_term::set_fonts ()
668{ 777{
669} 778 rxvt_fontset *fs = new rxvt_fontset (this);
779 rxvt_fontprop prop;
670 780
671void 781 if (!fs
672rxvt_term::font_up_down (int n, int direction) 782 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
783 || !fs->realize_font (1))
784 {
785 delete fs;
786 return false;
787 }
788
789#if ENABLE_STYLES
790 for (int i = RS_styleCount; --i; )
791 if (fontset[i] != fontset[0])
792 delete fontset[i];
793#endif
794
795 delete fontset[0];
796 fontset[0] = fs;
797
798 prop = (*fs)[1]->properties ();
799 prop.height += lineSpace;
800 fs->set_prop (prop);
801
802 fwidth = prop.width;
803 fheight = prop.height;
804 fbase = prop.ascent;
805
806 for (int style = 1; style < 4; style++)
807 {
808#if ENABLE_STYLES
809 const char *res = rs[Rs_font + style];
810
811 if (res && !*res)
812 fontset[style] = fontset[0];
813 else
814 {
815 fontset[style] = fs = new rxvt_fontset (this);
816 rxvt_fontprop prop2 = prop;
817
818 if (res)
819 prop2.weight = prop2.slant = rxvt_fontprop::unset;
820 else
821 {
822 res = fontset[0]->fontdesc;
823
824 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
825 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
826 }
827
828 fs->populate (res);
829 fs->set_prop (prop2);
830 }
831#else
832 fontset[style] = fontset[0];
833#endif
834 }
835
836 if (parent[0])
837 {
838 resize_all_windows (0, 0, 0);
839 scr_remap_chars ();
840 scr_touch (true);
841 }
842
843 return true;
844}
845
846void rxvt_term::set_string_property (Atom prop, const char *str, int len)
673{ 847{
848 XChangeProperty (xdisp, parent[0],
849 prop, XA_STRING, 8, PropModeReplace,
850 (const unsigned char *)str, len >= 0 ? len : strlen (str));
851}
852
853void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
854{
855 wchar_t *ws = rxvt_mbstowcs (str, len);
856 char *s = rxvt_wcstoutf8 (ws);
857
858 XChangeProperty (xdisp, parent[0],
859 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
860 (const unsigned char *)s, strlen (s));
861
862 free (s);
863 free (ws);
674} 864}
675 865
676/*----------------------------------------------------------------------*/ 866/*----------------------------------------------------------------------*/
677/*----------------------------------------------------------------------*/ 867/*----------------------------------------------------------------------*/
678/* xterm sequences - title, iconName, color (exptl) */ 868/* xterm sequences - title, iconName, color (exptl) */
679void 869void
680rxvt_term::set_title (const char *str) 870rxvt_term::set_title (const char *str)
681{ 871{
682#ifndef SMART_WINDOW_TITLE 872 set_string_property (XA_WM_NAME, str);
683 XStoreName(Xdisplay, TermWin.parent[0], str); 873#if ENABLE_EWMH
684#else 874 set_utf8_property (xa[XA_NET_WM_NAME], str);
685 char *name;
686
687 if (XFetchName(Xdisplay, TermWin.parent[0], &name) == 0)
688 name = NULL;
689 if (name == NULL || STRCMP(name, str))
690 XStoreName(Xdisplay, TermWin.parent[0], str);
691 if (name)
692 XFree(name);
693#endif 875#endif
694} 876}
695 877
696void 878void
697rxvt_term::set_iconName (const char *str) 879rxvt_term::set_icon_name (const char *str)
698{ 880{
699#ifndef SMART_WINDOW_TITLE 881 set_string_property (XA_WM_ICON_NAME, str);
700 XSetIconName(Xdisplay, TermWin.parent[0], str); 882#if ENABLE_EWMH
701#else 883 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
702 char *name;
703
704 if (XGetIconName(Xdisplay, TermWin.parent[0], &name))
705 name = NULL;
706 if (name == NULL || STRCMP(name, str))
707 XSetIconName(Xdisplay, TermWin.parent[0], str);
708 if (name)
709 XFree(name);
710#endif 884#endif
711} 885}
712 886
713#ifdef XTERM_COLOR_CHANGE 887#ifdef XTERM_COLOR_CHANGE
714void 888void
715rxvt_term::set_window_color (int idx, const char *color) 889rxvt_term::set_window_color (int idx, const char *color)
716{ 890{
717 rxvt_color xcol; 891 rxvt_color xcol;
718 int i; 892 int i;
719 893
720 if (color == NULL || *color == '\0') 894 if (color == NULL || *color == '\0')
721 return; 895 return;
722 896
897 color = strdup (color);
898 allocated.push_back ((void *)color);
899 rs[Rs_color + idx] = color;
900
723/* handle color aliases */ 901 /* handle color aliases */
724 if (isdigit(*color)) { 902 if (isdigit (*color))
903 {
725 i = atoi(color); 904 i = atoi (color);
905
906 if (i >= 8 && i <= 15)
726 if (i >= 8 && i <= 15) { /* bright colors */ 907 { /* bright colors */
727 i -= 8; 908 i -= 8;
728# ifndef NO_BRIGHTCOLOR
729 PixColors[idx] = PixColors[minBrightCOLOR + i]; 909 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
730 SET_PIXCOLOR(idx);
731 goto Done; 910 goto done;
732# endif
733 } 911 }
734 if (i >= 0 && i <= 7) { /* normal colors */ 912
913 if (i >= 0 && i <= 7)
914 { /* normal colors */
735 PixColors[idx] = PixColors[minCOLOR + i]; 915 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
736 SET_PIXCOLOR(idx);
737 goto Done; 916 goto done;
738 } 917 }
739 } 918 }
740 if (!rXParseAllocColor (& xcol, color))
741 return;
742/* XStoreColor (Xdisplay, XCMAP, XColor*); */
743 919
744/* 920 set_color (xcol, color);
921
922 /*
745 * FIXME: should free colors here, but no idea how to do it so instead, 923 * FIXME: should free colors here, but no idea how to do it so instead,
746 * so just keep gobbling up the colormap 924 * so just keep gobbling up the colormap
747 */ 925 */
748# if 0
749 for (i = Color_Black; i <= Color_White; i++)
750 if (PixColors[idx] == PixColors[i])
751 break;
752 if (i > Color_White) {
753 /* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
754 XFreeColors(Xdisplay, XCMAP, (PixColors + idx), 1,
755 DisplayPlanes(Xdisplay, Xscreen));
756 }
757# endif
758 926
759 PixColors[idx] = xcol; 927 pix_colors_focused[idx] = xcol;
760 SET_PIXCOLOR(idx);
761 928
762/* XSetWindowAttributes attr; */ 929 /* XSetWindowAttributes attr; */
763/* Cursor cursor; */ 930 /* Cursor cursor; */
764 Done: 931done:
765 if (idx == Color_bg && !(Options & Opt_transparent))
766 XSetWindowBackground(Xdisplay, TermWin.vt,
767 PixColors[Color_bg]);
768 932
933#if OFF_FOCUS_FADING
934 if (rs[Rs_fade])
935 {
936 rgba c;
937 pix_colors [Color_fade].get (this, c);
938 pix_colors_focused [idx].fade (this, atoi (rs[Rs_fade]), pix_colors_unfocused [idx], c);
939 }
940#endif
941
769/* handle Color_BD, scrollbar background, etc. */ 942 /*TODO: handle Color_BD, scrollbar background, etc. */
770 943
771 set_colorfgbg ();
772 recolour_cursor (); 944 recolour_cursor ();
773/* the only reasonable way to enforce a clean update */ 945 scr_recolour ();
774 scr_poweron ();
775} 946}
776 947
777#else 948#else
778# define set_window_color (idx,color) ((void)0) 949# define set_window_color (idx,color) ((void)0)
779#endif /* XTERM_COLOR_CHANGE */ 950#endif /* XTERM_COLOR_CHANGE */
780 951
781void 952void
782rxvt_term::recolour_cursor () 953rxvt_term::recolour_cursor ()
783{ 954{
784#if TODO
785 rxvt_color xcol[2]; 955 XColor xcol[2];
786 956
787 xcol[0] = PixColors[Color_pointer]; 957 xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
788 xcol[1] = PixColors[Color_bg]; 958 ? pix_colors_focused[Color_pointer_fg]
959 : pix_colors_focused[Color_fg];
960 xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
961 ? pix_colors_focused[Color_pointer_bg]
962 : pix_colors_focused[Color_bg];
963
789 XQueryColors (Xdisplay, XCMAP, xcol, 2); 964 XQueryColors (xdisp, cmap, xcol, 2);
790 XRecolorCursor (Xdisplay, TermWin_cursor, &(xcol[0]), &(xcol[1])); 965 XRecolorCursor (xdisp, TermWin_cursor, xcol + 0, xcol + 1);
791#endif
792} 966}
793 967
794/*----------------------------------------------------------------------*/ 968/*----------------------------------------------------------------------*/
795/* 969/*
796 * find if fg/bg matches any of the normal (low-intensity) colors 970 * find if fg/bg matches any of the normal (low-intensity) colors
797 */ 971 */
798void 972void
799rxvt_term::set_colorfgbg () 973rxvt_term::set_colorfgbg ()
800{ 974{
801 unsigned int i; 975 unsigned int i;
802 const char *xpmb = "\0"; 976 const char *xpmb = "\0";
803 char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1]; 977 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
804 978
805 env_colorfgbg = 979 strcpy (fstr, "default");
806 (char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1); 980 strcpy (bstr, "default");
807 STRCPY(fstr, "default");
808 STRCPY(bstr, "default");
809 for (i = Color_Black; i <= Color_White; i++) 981 for (i = Color_Black; i <= Color_White; i++)
810 if (PixColors[Color_fg] == PixColors[i]) { 982 if (pix_colors[Color_fg] == pix_colors[i])
983 {
811 sprintf(fstr, "%d", (i - Color_Black)); 984 sprintf (fstr, "%d", (i - Color_Black));
812 break; 985 break;
813 } 986 }
987
814 for (i = Color_Black; i <= Color_White; i++) 988 for (i = Color_Black; i <= Color_White; i++)
815 if (PixColors[Color_bg] == PixColors[i]) { 989 if (pix_colors[Color_bg] == pix_colors[i])
990 {
816 sprintf(bstr, "%d", (i - Color_Black)); 991 sprintf (bstr, "%d", (i - Color_Black));
817#ifdef XPM_BACKGROUND 992#ifdef XPM_BACKGROUND
818 xpmb = "default;"; 993 xpmb = "default;";
819#endif 994#endif
820 break; 995 break;
821 } 996 }
997
822 sprintf(env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); 998 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
823 putenv(env_colorfgbg);
824
825#ifndef NO_BRIGHTCOLOR
826 colorfgbg = DEFAULT_RSTYLE;
827 for (i = minCOLOR; i <= maxCOLOR; i++) {
828 if (PixColors[Color_fg] == PixColors[i])
829 colorfgbg = SET_FGCOLOR(colorfgbg, i);
830 if (PixColors[Color_bg] == PixColors[i])
831 colorfgbg = SET_BGCOLOR(colorfgbg, i);
832 }
833#endif
834} 999}
835 1000
836/*----------------------------------------------------------------------*/ 1001/*----------------------------------------------------------------------*/
837/*
838 * Colour determination for low colour displays, routine from
839 * Hans de Goede <hans@highrise.nl>
840 */
841 1002
842int 1003bool
843rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour) 1004rxvt_term::set_color (rxvt_color &color, const char *name)
844{ 1005{
845 if (!screen_in_out->set (this, colour)) { 1006 if (color.set (this, name))
846 rxvt_print_error("can't allocate colour: %s", colour);
847 return false;
848 }
849
850 return true; 1007 return true;
1008
1009 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
1010 return false;
851} 1011}
852 1012
853/* -------------------------------------------------------------------- * 1013/* -------------------------------------------------------------------- *
854 * - WINDOW RESIZING - * 1014 * - WINDOW RESIZING - *
855 * -------------------------------------------------------------------- */ 1015 * -------------------------------------------------------------------- */
856void 1016void
857rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent) 1017rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
858{ 1018{
859 int fix_screen; 1019 int fix_screen;
1020 int old_width = szHint.width;
1021 int old_height = szHint.height;
860 1022
861#ifdef SMART_RESIZE
862 int old_width = szHint.width, old_height = szHint.height;
863#endif
864
865 window_calc (width, height); 1023 window_calc (newwidth, newheight);
866 XSetWMNormalHints (Xdisplay, TermWin.parent[0], &szHint); 1024 XSetWMNormalHints (xdisp, parent[0], &szHint);
1025
867 if (!ignoreparent) 1026 if (!ignoreparent)
868 { 1027 {
869#ifdef SMART_RESIZE 1028#ifdef SMART_RESIZE
870 /* 1029 /*
871 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> 1030 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
874 int x, y, x1, y1; 1033 int x, y, x1, y1;
875 int dx, dy; 1034 int dx, dy;
876 unsigned int unused_w1, unused_h1, unused_b1, unused_d1; 1035 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
877 Window unused_cr; 1036 Window unused_cr;
878 1037
879 XTranslateCoordinates (Xdisplay, TermWin.parent[0], Xroot, 1038 XTranslateCoordinates (xdisp, parent[0], display->root,
880 0, 0, &x, &y, &unused_cr); 1039 0, 0, &x, &y, &unused_cr);
881 XGetGeometry (Xdisplay, TermWin.parent[0], &unused_cr, &x1, &y1, 1040 XGetGeometry (xdisp, parent[0], &unused_cr, &x1, &y1,
882 &unused_w1, &unused_h1, &unused_b1, &unused_d1); 1041 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
883 /* 1042 /*
884 * if Xroot isn't the parent window, a WM will probably have offset 1043 * if display->root isn't the parent window, a WM will probably have offset
885 * our position for handles and decorations. Counter it 1044 * our position for handles and decorations. Counter it
886 */ 1045 */
887 if (x1 != x || y1 != y) { 1046 if (x1 != x || y1 != y)
1047 {
888 x -= x1; 1048 x -= x1;
889 y -= y1; 1049 y -= y1;
890 } 1050 }
891 1051
892 x1 = (DisplayWidth (Xdisplay, Xscreen) - old_width) / 2; 1052 x1 = (DisplayWidth (xdisp, display->screen) - old_width ) / 2;
893 y1 = (DisplayHeight (Xdisplay, Xscreen) - old_height) / 2; 1053 y1 = (DisplayHeight (xdisp, display->screen) - old_height) / 2;
894 dx = old_width - szHint.width; 1054 dx = old_width - szHint.width;
895 dy = old_height - szHint.height; 1055 dy = old_height - szHint.height;
896 1056
897 /* Check position of the center of the window */ 1057 /* Check position of the center of the window */
898 if (x < x1) /* left half */ 1058 if (x < x1) /* left half */
899 dx = 0; 1059 dx = 0;
900 else if (x == x1) /* exact center */ 1060 else if (x == x1) /* exact center */
901 dx /= 2; 1061 dx /= 2;
902 if (y < y1) /* top half */ 1062 if (y < y1) /* top half */
903 dy = 0; 1063 dy = 0;
904 else if (y == y1) /* exact center */ 1064 else if (y == y1) /* exact center */
905 dy /= 2; 1065 dy /= 2;
906 1066
907 XMoveResizeWindow (Xdisplay, TermWin.parent[0], x + dx, y + dy, 1067 XMoveResizeWindow (xdisp, parent[0], x + dx, y + dy,
908 szHint.width, szHint.height); 1068 szHint.width, szHint.height);
909#else 1069#else
910 XResizeWindow (Xdisplay, TermWin.parent[0], szHint.width, 1070 XResizeWindow (xdisp, parent[0], szHint.width, szHint.height);
911 szHint.height);
912#endif 1071#endif
913 } 1072 }
914 1073
915 fix_screen = (TermWin.ncol != prev_ncol 1074 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
916 || TermWin.nrow != prev_nrow);
917 1075
918 if (fix_screen || width != old_width || height != old_height) 1076 if (fix_screen || newwidth != old_width || newheight != old_height)
919 { 1077 {
920 if (scrollbar_visible ()) 1078 if (scrollBar.state)
921 { 1079 {
922 XMoveResizeWindow (Xdisplay, scrollBar.win, window_sb_x, 1080 XMoveResizeWindow (xdisp, scrollBar.win,
1081 window_sb_x, 0,
923 0, scrollbar_TotalWidth (), szHint.height); 1082 scrollbar_TotalWidth (), szHint.height);
924 resize_scrollbar (); 1083 resize_scrollbar ();
925 } 1084 }
926 1085
927 if (menubar_visible ()) 1086 XMoveResizeWindow (xdisp, vt,
928 XMoveResizeWindow (Xdisplay, menuBar.win, window_vt_x, 1087 window_vt_x, window_vt_y,
929 0, TermWin_TotalWidth (), menuBar_TotalHeight ());
930
931 XMoveResizeWindow (Xdisplay, TermWin.vt, window_vt_x,
932 window_vt_y, TermWin_TotalWidth (),
933 TermWin_TotalHeight ()); 1088 width, height);
934#ifdef RXVT_GRAPHICS 1089
935 if (old_height)
936 Gr_Resize (old_width - szHint.base_width,
937 old_height - szHint.base_height);
938#endif
939 scr_clear (); 1090 scr_clear ();
940#ifdef XPM_BACKGROUND 1091#ifdef XPM_BACKGROUND
941 resize_pixmap (); 1092 resize_pixmap ();
942#endif 1093#endif
943 } 1094 }
944 1095
945 if (fix_screen || old_height == 0) 1096 if (fix_screen || old_height == 0)
946 {
947 int curr_screen = -1;
948 int old_ncol = prev_ncol;
949
950 /* scr_reset only works on the primary screen */
951 if (old_height) /* this is not the first time through */
952 {
953 unsigned int ncol = TermWin.ncol;
954 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
955 curr_screen = scr_change_screen (PRIMARY);
956 TermWin.ncol = ncol;
957 }
958
959 scr_reset(); 1097 scr_reset ();
960 1098
961 if (curr_screen >= 0) /* this is not the first time through */ 1099#ifdef XPM_BACKGROUND
962 { 1100 if (pixmap)
963 scr_change_screen (curr_screen); 1101 scr_touch (false);
964 selection_check (old_ncol != TermWin.ncol ? 4 : 0); 1102#endif
965 }
966 }
967
968 old_width = szHint.width;
969 old_height = szHint.height;
970 1103
971#ifdef USE_XIM 1104#ifdef USE_XIM
972 IMSetStatusPosition (); 1105 IMSetStatusPosition ();
973#endif 1106#endif
974} 1107}
976/* 1109/*
977 * Set the width/height of the vt window in characters. Units are pixels. 1110 * Set the width/height of the vt window in characters. Units are pixels.
978 * good for toggling 80/132 columns 1111 * good for toggling 80/132 columns
979 */ 1112 */
980void 1113void
981rxvt_term::set_widthheight (unsigned int width, unsigned int height) 1114rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
982{ 1115{
983 XWindowAttributes wattr; 1116 XWindowAttributes wattr;
984 1117
985 if (width == 0 || height == 0) { 1118 if (newwidth == 0 || newheight == 0)
1119 {
986 XGetWindowAttributes(Xdisplay, Xroot, &wattr); 1120 XGetWindowAttributes (xdisp, display->root, &wattr);
1121
987 if (width == 0) 1122 if (newwidth == 0)
988 width = wattr.width - szHint.base_width; 1123 newwidth = wattr.width - szHint.base_width;
989 if (height == 0) 1124 if (newheight == 0)
990 height = wattr.height - szHint.base_height; 1125 newheight = wattr.height - szHint.base_height;
1126 }
1127
1128 if (newwidth != width || newheight != height)
991 } 1129 {
992 if (width != TermWin.width || height != TermWin.height) {
993 width += szHint.base_width; 1130 newwidth += szHint.base_width;
994 height += szHint.base_height; 1131 newheight += szHint.base_height;
995 resize_all_windows (width, height, 0); 1132 resize_all_windows (newwidth, newheight, 0);
996 } 1133 }
997} 1134}
998 1135
999/* -------------------------------------------------------------------- * 1136/* -------------------------------------------------------------------- *
1000 * - X INPUT METHOD ROUTINES - * 1137 * - X INPUT METHOD ROUTINES - *
1001 * -------------------------------------------------------------------- */ 1138 * -------------------------------------------------------------------- */
1002#ifdef USE_XIM 1139#ifdef USE_XIM
1003void
1004rxvt_term::set_size (XRectangle *size)
1005{
1006 size->x = TermWin.int_bwidth;
1007 size->y = TermWin.int_bwidth;
1008 size->width = Width2Pixel(TermWin.ncol);
1009 size->height = Height2Pixel(TermWin.nrow);
1010}
1011 1140
1012void 1141void
1013rxvt_term::set_color (unsigned long *fg, unsigned long *bg) 1142rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1014{ 1143{
1015 *fg = PixColors[Color_fg]; 1144 fg = pix_colors[Color_fg];
1016 *bg = PixColors[Color_bg]; 1145 bg = pix_colors[Color_bg];
1146}
1147
1148void
1149rxvt_term::im_set_size (XRectangle &size)
1150{
1151 // the int_bwidth terms make no sense to me
1152 size.x = int_bwidth;
1153 size.y = int_bwidth;
1154 size.width = Width2Pixel (ncol) + int_bwidth;
1155 size.height = Height2Pixel (nrow) + int_bwidth;
1156}
1157
1158void
1159rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1160 XRectangle &status_rect,
1161 const XRectangle &needed_rect)
1162{
1163 preedit_rect.x = needed_rect.width;
1164 preedit_rect.y = 0;
1165 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1166 preedit_rect.height = fheight;
1167
1168 status_rect.x = 0;
1169 status_rect.y = 0;
1170 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1171 status_rect.height = fheight;
1017} 1172}
1018 1173
1019/* Checking whether input method is running. */ 1174/* Checking whether input method is running. */
1020bool 1175bool
1021rxvt_term::IMisRunning () 1176rxvt_term::IMisRunning ()
1022{ 1177{
1023 char *p; 1178 char *p;
1024 Atom atom; 1179 Atom atom;
1025 Window win; 1180 Window win;
1026 char server[IMBUFSIZ]; 1181 char server[IMBUFSIZ];
1027 1182
1028/* get current locale modifier */ 1183 /* get current locale modifier */
1029 if ((p = XSetLocaleModifiers(NULL)) != NULL) { 1184 if ((p = XSetLocaleModifiers (NULL)) != NULL)
1185 {
1030 STRCPY(server, "@server="); 1186 strcpy (server, "@server=");
1031 STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */ 1187 strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1188
1032 if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */ 1189 if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1033 *p = '\0'; 1190 *p = '\0';
1034 1191
1035 atom = XInternAtom(Xdisplay, server, False); 1192 atom = XInternAtom (xdisp, server, False);
1036 win = XGetSelectionOwner(Xdisplay, atom); 1193 win = XGetSelectionOwner (xdisp, atom);
1194
1037 if (win != None) 1195 if (win != None)
1038 return True; 1196 return True;
1039 } 1197 }
1198
1040 return False; 1199 return False;
1041} 1200}
1042 1201
1043void 1202void
1044rxvt_term::IMSendSpot () 1203rxvt_term::IMSendSpot ()
1045{ 1204{
1046 XPoint spot; 1205 XPoint nspot;
1047 XVaNestedList preedit_attr; 1206 XVaNestedList preedit_attr;
1048 1207
1049 if (Input_Context == NULL 1208 if (!Input_Context
1050 || !TermWin.focus || !(input_style & XIMPreeditPosition) 1209 || !focus
1051 || !(event_type == KeyPress 1210 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1052 || event_type == Expose
1053 || event_type == NoExpose
1054 || event_type == SelectionNotify
1055 || event_type == ButtonRelease || event_type == FocusIn)
1056 || !IMisRunning ())
1057 return; 1211 return;
1058 1212
1059 set_position (&spot); 1213 im_set_position (nspot);
1060 1214
1215 if (nspot.x == spot.x && nspot.y == spot.y)
1216 return;
1217
1218 spot = nspot;
1219
1061 preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL); 1220 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1062 XSetICValues(Input_Context, XNPreeditAttributes, preedit_attr, NULL); 1221 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1063 XFree(preedit_attr); 1222 XFree (preedit_attr);
1064} 1223}
1065 1224
1066void 1225void
1067rxvt_term::set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect, 1226rxvt_term::im_destroy ()
1068 XRectangle * needed_rect)
1069{ 1227{
1070 int mbh, vtx = 0; 1228 if (input_method)
1229 {
1230 if (Input_Context && input_method->xim)
1231 XDestroyIC (Input_Context);
1071 1232
1072 if (scrollbar_visible () && !(Options & Opt_scrollBar_right)) 1233 display->put_xim (input_method);
1073 vtx = scrollbar_TotalWidth(); 1234 input_method = 0;
1235 }
1074 1236
1075 mbh = menubar_visible () ? menuBar_TotalHeight() : 0; 1237 Input_Context = 0;
1076 mbh -= TermWin.lineSpace;
1077
1078 preedit_rect->x = needed_rect->width + vtx;
1079 preedit_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1080
1081 preedit_rect->width = Width2Pixel(TermWin.ncol + 1) - needed_rect->width + vtx;
1082 preedit_rect->height = Height2Pixel(1);
1083
1084 status_rect->x = vtx;
1085 status_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh;
1086
1087 status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel(TermWin.ncol + 1);
1088 status_rect->height = Height2Pixel(1);
1089} 1238}
1090 1239
1091/* ARGSUSED */ 1240#ifdef ENABLE_XIM_ONTHESPOT
1092/* EXTPROTO */ 1241
1093void 1242static void
1094rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data 1243xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1095 __attribute__ ((unused)), XPointer call_data
1096 __attribute__ ((unused)))
1097{ 1244{
1098 GET_R->Input_Context = NULL; 1245 ((rxvt_term *)client_data)->make_current ();
1099/* To avoid Segmentation Fault in C locale: Solaris only? */ 1246 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1100 if (STRCMP (GET_R->locale, "C"))
1101 XRegisterIMInstantiateCallback(GET_R->Xdisplay, NULL, NULL, NULL,
1102 rxvt_IMInstantiateCallback, NULL);
1103} 1247}
1248
1249static void
1250xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1251{
1252 ((rxvt_term *)client_data)->make_current ();
1253 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1254}
1255
1256static void
1257xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1258{
1259 rxvt_term *term = (rxvt_term *)client_data;
1260 XIMText *text = call_data->text;
1261
1262 term->make_current ();
1263
1264 if (text)
1265 {
1266 void *str;
1267
1268 if (!text->encoding_is_wchar && text->string.multi_byte)
1269 {
1270 // of course, X makes it ugly again
1271 if (term->rs[Rs_imLocale])
1272 SET_LOCALE (term->rs[Rs_imLocale]);
1273
1274 str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
1275 mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
1276
1277 if (term->rs[Rs_imLocale])
1278 SET_LOCALE (term->locale);
1279 }
1280 else
1281 str = (void *)text->string.wide_char;
1282
1283 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1284 DT_INT, call_data->caret,
1285 DT_INT, call_data->chg_first,
1286 DT_INT, call_data->chg_length,
1287 DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1288 DT_WCS_LEN, str, str ? (int)text->length : 0,
1289 DT_END));
1290 }
1291 else
1292 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1293 DT_INT, call_data->caret,
1294 DT_INT, call_data->chg_first,
1295 DT_INT, call_data->chg_length,
1296 DT_END));
1297}
1298
1299#if 0
1300static void
1301xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1302{
1303 ((rxvt_term *)client_data)->make_current ();
1304 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1305 DT_INT, call_data->position,
1306 DT_INT, call_data->direction,
1307 DT_INT, call_data->style,
1308 DT_END));
1309}
1310#endif
1311
1312#endif
1104 1313
1105/* 1314/*
1106 * Try to open a XIM with the current modifiers, then see if we can 1315 * Try to open a XIM with the current modifiers, then see if we can
1107 * open a suitable preedit type 1316 * open a suitable preedit type
1108 */ 1317 */
1109bool 1318bool
1110rxvt_term::IM_get_IC () 1319rxvt_term::IM_get_IC (const char *modifiers)
1111{ 1320{
1112 int i, j, found; 1321 int i, j, found;
1113 XIM xim; 1322 XIM xim;
1114 XPoint spot; 1323 XPoint spot;
1115 XRectangle rect, status_rect, needed_rect; 1324 XRectangle rect, status_rect, needed_rect;
1116 unsigned long fg, bg; 1325 unsigned long fg, bg;
1117 const char *p; 1326 const char *p;
1118 char **s; 1327 char **s;
1119 XIMStyles *xim_styles; 1328 XIMStyles *xim_styles;
1120 XVaNestedList preedit_attr, status_attr; 1329#ifdef ENABLE_XIM_ONTHESPOT
1121 XIMCallback ximcallback; 1330 XIMCallback xcb[4];
1331#endif
1122 1332
1123 D_MAIN((stderr, "rxvt_IM_get_IC()")); 1333 set_environ (envv);
1124 xim = XOpenIM (Xdisplay, NULL, NULL, NULL); 1334
1125 if (xim == NULL) 1335 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1126 return False; 1336 return false;
1127 1337
1338 input_method = display->get_xim (locale, modifiers);
1339 if (input_method == NULL)
1340 return false;
1341
1342 xim = input_method->xim;
1343 spot.x = spot.y = -1;
1344
1128 xim_styles = NULL; 1345 xim_styles = NULL;
1129 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL) 1346 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1130 || !xim_styles || !xim_styles->count_styles) { 1347 || !xim_styles || !xim_styles->count_styles)
1131 XCloseIM(xim); 1348 {
1349 im_destroy ();
1132 return False; 1350 return false;
1351 }
1352
1353 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1354
1355 for (int pi = 0; pi < 2; pi++)
1133 } 1356 {
1357 p = pet[pi];
1134 1358
1135 p = rs[Rs_preeditType] ? rs[Rs_preeditType] 1359 if (!p)
1136 : "OverTheSpot,OffTheSpot,Root"; 1360 continue;
1361
1137 s = rxvt_splitcommastring(p); 1362 s = rxvt_splitcommastring (p);
1363
1138 for (i = found = 0; !found && s[i]; i++) { 1364 for (i = found = 0; !found && s[i]; i++)
1365 {
1139 if (!STRCMP(s[i], "OverTheSpot")) 1366 if (!strcmp (s[i], "OverTheSpot"))
1140 input_style = (XIMPreeditPosition | XIMStatusNothing); 1367 input_style = XIMPreeditPosition | XIMStatusNothing;
1141 else if (!STRCMP(s[i], "OffTheSpot")) 1368 else if (!strcmp (s[i], "OffTheSpot"))
1142 input_style = (XIMPreeditArea | XIMStatusArea); 1369 input_style = XIMPreeditArea | XIMStatusArea;
1143 else if (!STRCMP(s[i], "Root")) 1370 else if (!strcmp (s[i], "Root"))
1144 input_style = (XIMPreeditNothing | XIMStatusNothing); 1371 input_style = XIMPreeditNothing | XIMStatusNothing;
1372 else if (!strcmp (s[i], "None"))
1373 input_style = XIMPreeditNone | XIMStatusNone;
1374#ifdef ENABLE_XIM_ONTHESPOT
1375 else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1376 input_style = XIMPreeditCallbacks | XIMStatusNothing;
1377#endif
1378 else
1379 input_style = XIMPreeditNothing | XIMStatusNothing;
1145 1380
1146 for (j = 0; j < xim_styles->count_styles; j++) 1381 for (j = 0; j < xim_styles->count_styles; j++)
1147 if (input_style == xim_styles->supported_styles[j]) { 1382 if (input_style == xim_styles->supported_styles[j])
1383 {
1384 rxvt_freecommastring (s);
1385
1148 found = 1; 1386 found = 1;
1149 break; 1387 goto foundpet;
1150 } 1388 }
1389
1390 }
1391
1392 rxvt_freecommastring (s);
1151 } 1393 }
1152 for (i = 0; s[i]; i++) 1394
1153 free(s[i]); 1395foundpet:
1154 free(s); 1396
1155 XFree(xim_styles); 1397 XFree (xim_styles);
1156 1398
1157 if (!found) { 1399 if (!found)
1158 XCloseIM(xim); 1400 {
1401 im_destroy ();
1159 return False; 1402 return false;
1403 }
1404
1405 XFontSet fs = 0;
1406 XVaNestedList preedit_attr = 0, status_attr = 0;
1407
1408 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1160 } 1409 {
1410 // fake us a font-set, please
1411 char **missing_charset_list;
1412 int missing_charset_count;
1413 char *def_string;
1414 char pat[512];
1161 1415
1162 ximcallback.callback = rxvt_IMDestroyCallback; 1416 sprintf (pat,
1417 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1418 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1419 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1420 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1421 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1422 "*",
1423 fheight,
1424 fheight + 1, fheight - 1,
1425 fheight - 2, fheight + 2);
1163 1426
1164 /* XXX: not sure why we need this (as well as IC one below) */ 1427 fs = XCreateFontSet (xdisp, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1165 XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL); 1428 &missing_charset_list, &missing_charset_count, &def_string);
1166 1429
1167 preedit_attr = status_attr = NULL; 1430 if (missing_charset_list)
1431 XFreeStringList (missing_charset_list);
1168 1432
1433 if (!fs)
1434 {
1435 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1436 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1437 }
1438 }
1439
1169 if (input_style & XIMPreeditPosition) { 1440 if (input_style & XIMPreeditPosition)
1441 {
1170 set_size (&rect); 1442 im_set_size (rect);
1171 set_position (&spot); 1443 im_set_position (spot);
1172 set_color (&fg, &bg); 1444 im_set_color (fg, bg);
1173 1445
1174 preedit_attr = XVaCreateNestedList(0, XNArea, &rect, 1446 preedit_attr = XVaCreateNestedList (0,
1447 XNForeground, fg,
1448 XNBackground, bg,
1449 XNArea, &rect,
1175 XNSpotLocation, &spot, 1450 XNSpotLocation, &spot,
1176 XNForeground, fg, XNBackground, bg,
1177 //XNFontSet, TermWin.fontset, 1451 XNFontSet, fs,
1178 NULL);
1179 } else if (input_style & XIMPreeditArea) {
1180 set_color (&fg, &bg);
1181
1182 /*
1183 * The necessary width of preedit area is unknown
1184 * until create input context.
1185 */
1186 needed_rect.width = 0;
1187
1188 set_preedit_area(&rect, &status_rect, &needed_rect);
1189
1190 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1191 XNForeground, fg, XNBackground, bg,
1192 //XNFontSet, TermWin.fontset,
1193 NULL);
1194 status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1195 XNForeground, fg, XNBackground, bg,
1196 //XNFontSet, TermWin.fontset,
1197 NULL); 1452 NULL);
1198 } 1453 }
1199 Input_Context = XCreateIC(xim, XNInputStyle, input_style, 1454 else if (input_style & XIMPreeditArea)
1455 {
1456 im_set_color (fg, bg);
1457
1458 /*
1459 * The necessary width of preedit area is unknown
1460 * until create input context.
1461 */
1462 needed_rect.width = 0;
1463 im_set_preedit_area (rect, status_rect, needed_rect);
1464
1465 preedit_attr = XVaCreateNestedList (0,
1466 XNForeground, fg,
1467 XNBackground, bg,
1468 XNArea, &rect,
1469 XNFontSet, fs,
1470 NULL);
1471 status_attr = XVaCreateNestedList (0,
1472 XNForeground, fg,
1473 XNBackground, bg,
1474 XNArea, &status_rect,
1475 XNFontSet, fs,
1476 NULL);
1477 }
1478#if ENABLE_XIM_ONTHESPOT
1479 else if (input_style & XIMPreeditCallbacks)
1480 {
1481 im_set_position (spot);
1482
1483 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1484 xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1485 xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1486# if 0
1487 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1488# endif
1489
1490 preedit_attr = XVaCreateNestedList (0,
1491 XNSpotLocation, &spot,
1492 XNPreeditStartCallback, &xcb[0],
1493 XNPreeditDoneCallback , &xcb[1],
1494 XNPreeditDrawCallback , &xcb[2],
1495# if 0
1496 XNPreeditCaretCallback, &xcb[3],
1497# endif
1498 NULL);
1499 }
1500#endif
1501
1502 Input_Context = XCreateIC (xim,
1503 XNInputStyle, input_style,
1200 XNClientWindow, TermWin.parent[0], 1504 XNClientWindow, vt,
1201 XNFocusWindow, TermWin.parent[0], 1505 XNFocusWindow, parent[0],
1202 XNDestroyCallback, &ximcallback,
1203 preedit_attr ? XNPreeditAttributes : NULL, 1506 preedit_attr ? XNPreeditAttributes : NULL,
1204 preedit_attr, 1507 preedit_attr,
1205 status_attr ? XNStatusAttributes : NULL, 1508 status_attr ? XNStatusAttributes : NULL,
1206 status_attr, NULL); 1509 status_attr, NULL);
1207 if (preedit_attr) 1510
1208 XFree(preedit_attr); 1511 if (preedit_attr) XFree (preedit_attr);
1209 if (status_attr) 1512 if (status_attr) XFree (status_attr);
1210 XFree(status_attr); 1513 if (fs) XFreeFontSet (xdisp, fs);
1514
1211 if (Input_Context == NULL) { 1515 if (Input_Context == NULL)
1212 rxvt_print_error("failed to create input context"); 1516 {
1213 XCloseIM(xim); 1517 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1518 im_destroy ();
1214 return False; 1519 return false;
1215 } 1520 }
1521
1522#if 0
1523 // unfortunately, only the focus window is used by XIM, hard to fix
1524 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1525 vt_select_input ();
1526#endif
1527
1216 if (input_style & XIMPreeditArea) 1528 if (input_style & XIMPreeditArea)
1217 IMSetStatusPosition (); 1529 IMSetStatusPosition ();
1218 D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection")); 1530
1219 return True; 1531 return true;
1220} 1532}
1221 1533
1222/*
1223 * X manual pages and include files don't match on some systems:
1224 * some think this is an XIDProc and others an XIMProc so we can't
1225 * use the first argument - need to update this to be nice for
1226 * both types via some sort of configure detection
1227 */
1228/* ARGSUSED */
1229/* EXTPROTO */
1230void 1534void
1231rxvt_IMInstantiateCallback(Display * unused 1535rxvt_term::im_cb ()
1232 __attribute__ ((unused)), XPointer client_data
1233 __attribute__ ((unused)), XPointer call_data
1234 __attribute__ ((unused)))
1235{ 1536{
1236 int i, found, had_im; 1537 int i;
1237 const char *p; 1538 const char *p;
1238 char **s; 1539 char **s;
1239 char buf[IMBUFSIZ]; 1540 char buf[IMBUFSIZ];
1240 1541
1241 D_MAIN((stderr, "rxvt_IMInstantiateCallback()")); 1542 make_current ();
1543
1544 im_destroy ();
1545
1242 if (GET_R->Input_Context) 1546 if (Input_Context)
1243 return; 1547 return;
1244 1548
1245#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE) 1549#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1246 if (GET_R->rs[Rs_imLocale]) 1550 if (rs[Rs_imLocale])
1247 setlocale (LC_CTYPE, GET_R->rs[Rs_imLocale]); 1551 SET_LOCALE (rs[Rs_imLocale]);
1248#endif 1552#endif
1249 1553
1250 p = GET_R->rs[Rs_inputMethod]; 1554 p = rs[Rs_inputMethod];
1251 if (p && *p) 1555 if (p && *p)
1252 { 1556 {
1253 bool found = false; 1557 bool found = false;
1254 1558
1255 s = rxvt_splitcommastring (p); 1559 s = rxvt_splitcommastring (p);
1560
1256 for (i = 0; s[i]; i++) 1561 for (i = 0; s[i]; i++)
1257 { 1562 {
1258 if (*s[i]) 1563 if (*s[i])
1259 { 1564 {
1260 STRCPY (buf, "@im="); 1565 strcpy (buf, "@im=");
1261 STRNCAT (buf, s[i], IMBUFSIZ - 5); 1566 strncat (buf, s[i], IMBUFSIZ - 5);
1262 if ((p = XSetLocaleModifiers (buf)) && *p && GET_R->IM_get_IC ()) 1567 if (IM_get_IC (buf))
1263 { 1568 {
1264 found = true; 1569 found = true;
1265 break; 1570 break;
1266 } 1571 }
1267 } 1572 }
1268 } 1573 }
1269 for (i = 0; s[i]; i++) 1574
1270 free(s[i]); 1575 rxvt_freecommastring (s);
1271 free(s);
1272 1576
1273 if (found) 1577 if (found)
1274 goto done; 1578 goto done;
1275 } 1579 }
1276 1580
1277/* try with XMODIFIERS env. var. */ 1581 /* try with XMODIFIERS env. var. */
1278 if ((p = XSetLocaleModifiers ("")) && *p 1582 if (IM_get_IC (""))
1279 && GET_R->IM_get_IC ())
1280 goto done; 1583 goto done;
1281 1584
1282/* try with no modifiers base IF the user didn't specify an IM */ 1585 /* try with no modifiers base IF the user didn't specify an IM */
1283 if ((p = XSetLocaleModifiers ("@im=none")) && *p 1586 if (IM_get_IC ("@im=none"))
1284 && GET_R->IM_get_IC () == True)
1285 goto done; 1587 goto done;
1286 1588
1287done: 1589done:
1288#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE) 1590#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1289 if (GET_R->rs[Rs_imLocale]) 1591 if (rs[Rs_imLocale])
1290 setlocale (LC_CTYPE, GET_R->locale); 1592 SET_LOCALE (locale);
1291#endif 1593#endif
1292} 1594}
1293 1595
1294void 1596void
1295rxvt_term::IMSetStatusPosition () 1597rxvt_term::IMSetStatusPosition ()
1296{ 1598{
1297 XRectangle preedit_rect, status_rect, *needed_rect; 1599 XRectangle preedit_rect, status_rect, *needed_rect;
1298 XVaNestedList preedit_attr, status_attr; 1600 XVaNestedList preedit_attr, status_attr;
1299 1601
1300 if (Input_Context == NULL 1602 if (!Input_Context
1603 || !focus
1301 || !TermWin.focus || !(input_style & XIMPreeditArea) 1604 || !(input_style & XIMPreeditArea)
1302 || !IMisRunning ()) 1605 || !IMisRunning ())
1303 return; 1606 return;
1304 1607
1305/* Getting the necessary width of preedit area */ 1608 /* Getting the necessary width of preedit area */
1306 status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL); 1609 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1307 XGetICValues(Input_Context, XNStatusAttributes, status_attr, NULL); 1610 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1308 XFree(status_attr); 1611 XFree (status_attr);
1309 1612
1310 set_preedit_area(&preedit_rect, &status_rect, needed_rect); 1613 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1614 XFree (needed_rect);
1311 1615
1312 preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL); 1616 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1313 status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL); 1617 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1314 1618
1315 XSetICValues(Input_Context, 1619 XSetICValues (Input_Context,
1316 XNPreeditAttributes, preedit_attr, 1620 XNPreeditAttributes, preedit_attr,
1317 XNStatusAttributes, status_attr, NULL); 1621 XNStatusAttributes, status_attr, NULL);
1318 1622
1319 XFree(preedit_attr); 1623 XFree (preedit_attr);
1320 XFree(status_attr); 1624 XFree (status_attr);
1321} 1625}
1322#endif /* USE_XIM */ 1626#endif /* USE_XIM */
1323 1627
1324/*----------------------------------------------------------------------*/
1325rxvt_t rxvt_current_term;
1326
1327/*----------------------- end-of-file (C source) -----------------------*/ 1628/*----------------------- end-of-file (C source) -----------------------*/

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