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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.3 by pcg, Tue Nov 25 11:52:42 2003 UTC vs.
Revision 1.223 by root, Sat Feb 18 14:14:43 2006 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*--------------------------------*-C-*---------------------------------*
2 * File: main.c 2 * File: main.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: main.C,v 1.3 2003/11/25 11:52:42 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) 2003-2006 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 43#ifdef TTY_GID_SUPPORT
40# include <grp.h> 44# include <grp.h>
41#endif 45#endif
42 46
43#ifdef HAVE_TERMIOS_H 47#ifdef HAVE_TERMIOS_H
44# include <termios.h> 48# include <termios.h>
45#endif 49#endif
46 50
51vector<rxvt_term *> rxvt_term::termlist;
52
53// used to tell global functions which terminal instance is "active"
54rxvt_t rxvt_current_term;
55
56static char curlocale[128], savelocale[128];
57
58bool
59rxvt_set_locale (const char *locale) NOTHROW
60{
61 if (!locale || !strncmp (locale, curlocale, 128))
62 return false;
63
64 strncpy (curlocale, locale, 128);
65 setlocale (LC_CTYPE, curlocale);
66 return true;
67}
68
69void
70rxvt_push_locale (const char *locale) NOTHROW
71{
72 strcpy (savelocale, curlocale);
73 rxvt_set_locale (locale);
74}
75
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
141 return len;
142
143}
144#endif
145
47rxvt_term::rxvt_term() 146rxvt_term::rxvt_term ()
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
154#ifdef CURSOR_BLINK
155 cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
156#endif
157#ifdef TEXT_BLINK
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),
168#endif
169#ifdef POINTER_BLANK
170 pointer_ev (this, &rxvt_term::pointer_cb),
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),
181 check_ev (this, &rxvt_term::check_cb),
182 flush_ev (this, &rxvt_term::flush_cb),
183 destroy_ev (this, &rxvt_term::destroy_cb),
48: pty_ev(this, &rxvt_term::pty_cb), 184 pty_ev (this, &rxvt_term::pty_cb),
49 x_ev (this, &rxvt_term::x_cb) 185 incr_ev (this, &rxvt_term::incr_cb)
50{ 186{
51 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base; 187 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
52}
53 188
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 pty_ev.stop ();
204 delete pty; pty = 0;
205}
206
207rxvt_term::~rxvt_term ()
208{
209 termlist.erase (find (termlist.begin (), termlist.end(), this));
210
211 emergency_cleanup ();
212
213#if ENABLE_STYLES
214 for (int i = RS_styleCount; --i; )
215 if (fontset[i] != fontset[0])
216 delete fontset[i];
217#endif
218 delete fontset[0];
219
220 if (display)
221 {
222 selection_clear ();
223
224#ifdef USE_XIM
225 im_destroy ();
226#endif
227#ifdef XTERM_SCROLLBAR
228 if (xscrollbarGC) XFreeGC (dpy, xscrollbarGC);
229 if (ShadowGC) XFreeGC (dpy, ShadowGC);
230#endif
231#ifdef PLAIN_SCROLLBAR
232 if (pscrollbarGC) XFreeGC (dpy, pscrollbarGC);
233#endif
234#ifdef NEXT_SCROLLBAR
235 if (blackGC) XFreeGC (dpy, blackGC);
236 if (whiteGC) XFreeGC (dpy, whiteGC);
237 if (grayGC) XFreeGC (dpy, grayGC);
238 if (darkGC) XFreeGC (dpy, darkGC);
239 if (stippleGC) XFreeGC (dpy, stippleGC);
240 if (dimple) XFreePixmap (dpy, dimple);
241 if (upArrow) XFreePixmap (dpy, upArrow);
242 if (downArrow) XFreePixmap (dpy, downArrow);
243 if (upArrowHi) XFreePixmap (dpy, upArrowHi);
244 if (downArrowHi) XFreePixmap (dpy, downArrowHi);
245#endif
246#ifdef RXVT_SCROLLBAR
247 if (topShadowGC) XFreeGC (dpy, topShadowGC);
248 if (botShadowGC) XFreeGC (dpy, botShadowGC);
249 if (scrollbarGC) XFreeGC (dpy, scrollbarGC);
250#endif
251 if (gc) XFreeGC (dpy, gc);
252
253 delete drawable;
254 // destroy all windows
255 if (parent[0])
256 XDestroyWindow (dpy, parent[0]);
257
258 for (int i = 0; i < TOTAL_COLORS; i++)
259 if (ISSET_PIXCOLOR (i))
260 {
261 pix_colors_focused [i].free (this);
262#if OFF_FOCUS_FADING
263 pix_colors_unfocused [i].free (this);
264#endif
265 }
266
267 clear ();
268 }
269
270 delete pix_colors_focused;
271#if OFF_FOCUS_FADING
272 delete pix_colors_unfocused;
273#endif
274
275 displays.put (display);
276
277 scr_release ();
278
279 /* clear all resources */
280 for (int i = 0; i < allocated.size (); i++)
281 free (allocated [i]);
282
283 free (selection.text);
284 // TODO: manage env vars in child only(!)
285 free (env_display);
286 free (env_term);
287 free (locale);
288 free (v_buffer);
289 free (incr_buf);
290
291 delete envv;
292 delete argv;
293
294#ifdef KEYSYM_RESOURCE
295 delete keyboard;
296#endif
297}
298
299// child has exited, usually destroys
54void * 300void
55rxvt_term::operator new (size_t s) 301rxvt_term::child_cb (child_watcher &w, int status)
56{ 302{
57 void *p = malloc (s); 303 HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
58 304
59 MEMSET (p, 0, s); 305 cmd_pid = 0;
306
307 if (!OPTION (Opt_hold))
308 destroy ();
309}
310
311void
312rxvt_term::destroy ()
313{
314 if (destroy_ev.active)
60 return p; 315 return;
61}
62 316
63void 317 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
64rxvt_term::operator delete (void *p, size_t s)
65{
66 free (p);
67}
68 318
69/*----------------------------------------------------------------------*/ 319#if ENABLE_OVERLAY
70/* rxvt_init() */ 320 scr_overlay_off ();
71/* LIBPROTO */ 321#endif
72rxvt_t
73rxvt_init(int argc, const char *const *argv)
74{
75 const char **cmd_argv;
76 322
77 SET_R(new rxvt_term); 323 if (display)
78 dR;
79
80 if (rxvt_init_vars(aR) < 0)
81 {
82 free(R);
83 return NULL;
84 } 324 {
85 325#if USE_XIM
86/* 326 im_ev.stop (display);
87 * Save and then give up any super-user privileges
88 * If we need privileges in any area then we must specifically request it.
89 * We should only need to be root in these cases:
90 * 1. write utmp entries on some systems
91 * 2. chown tty on some systems
92 */
93 rxvt_privileges(aR_ SAVE);
94 rxvt_privileges(aR_ IGNORE);
95
96 rxvt_init_secondary(aR);
97
98 cmd_argv = rxvt_init_resources(aR_ argc, argv);
99
100 R->x_ev.start (ConnectionNumber (R->Xdisplay), EVENT_READ);
101
102#if (MENUBAR_MAX)
103 rxvt_menubar_read(aR_ R->rs[Rs_menu]);
104#endif 327#endif
105#ifdef HAVE_SCROLLBARS 328#if HAVE_SCROLLBARS
106 if (R->Options & Opt_scrollBar) 329 scrollbar_ev.stop (display);
107 scrollbar_setIdle(); /* set existence for size calculations */
108#endif 330#endif
109
110 rxvt_Create_Windows(aR_ argc, argv);
111
112 rxvt_init_xlocale(aR);
113
114 rxvt_scr_reset(aR); /* initialize screen */
115#ifdef RXVT_GRAPHICS
116 rxvt_Gr_reset(aR); /* reset graphics */
117#endif
118
119#if 0
120#ifdef DEBUG_X
121 XSynchronize(R->Xdisplay, True);
122 XSetErrorHandler((XErrorHandler) abort);
123#else
124 XSetErrorHandler((XErrorHandler) rxvt_xerror_handler);
125#endif
126#endif
127
128#ifdef HAVE_SCROLLBARS
129 if (R->Options & Opt_scrollBar)
130 rxvt_Resize_scrollBar(aR); /* create and map scrollbar */
131#endif
132#if (MENUBAR_MAX)
133 if (menubar_visible(r))
134 XMapWindow(R->Xdisplay, R->menuBar.win);
135#endif
136#ifdef TRANSPARENT 331#if TRANSPARENT
137 if (R->Options & Opt_transparent) 332 rootwin_ev.stop (display);
138 { 333#endif
139 XSelectInput(R->Xdisplay, Xroot, PropertyChangeMask); 334 incr_ev.stop ();
140 rxvt_check_our_parents(aR); 335 termwin_ev.stop (display);
336 vt_ev.stop (display);
141 } 337 }
142#endif
143 XMapWindow(R->Xdisplay, R->TermWin.vt);
144 XMapWindow(R->Xdisplay, R->TermWin.parent[0]);
145 338
146 rxvt_init_env(aR); 339 check_ev.stop ();
147 rxvt_init_command(aR_ cmd_argv); 340 pty_ev.stop ();
148 341#ifdef CURSOR_BLINK
149 R->pty_ev.start (R->cmd_fd, EVENT_READ); 342 cursor_blink_ev.stop ();
150
151 return R;
152}
153
154/* ------------------------------------------------------------------------- *
155 * SIGNAL HANDLING & EXIT HANDLER *
156 * ------------------------------------------------------------------------- */
157/*
158 * Catch a SIGCHLD signal and exit if the direct child has died
159 */
160/* ARGSUSED */
161/* EXTPROTO */
162RETSIGTYPE
163rxvt_Child_signal(int sig __attribute__ ((unused)))
164{
165 dR;
166 int pid, save_errno = errno;
167
168 do {
169 errno = 0;
170 } while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR);
171
172 if (pid == R->cmd_pid)
173 exit(EXIT_SUCCESS);
174
175 errno = save_errno;
176 signal(SIGCHLD, rxvt_Child_signal);
177}
178
179/*
180 * Catch a fatal signal and tidy up before quitting
181 */
182/* EXTPROTO */
183RETSIGTYPE
184rxvt_Exit_signal(int sig)
185{
186 signal(sig, SIG_DFL);
187#ifdef DEBUG_CMD
188 rxvt_print_error("signal %d", sig);
189#endif 343#endif
190 rxvt_clean_exit(); 344#ifdef TEXT_BLINK
191 kill(getpid(), sig); 345 text_blink_ev.stop ();
192} 346#endif
347#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
348 cont_scroll_ev.stop ();
349#endif
350#ifdef SELECTION_SCROLLING
351 sel_scroll_ev.stop ();
352#endif
353#ifdef POINTER_BLANK
354 pointer_ev.stop ();
355#endif
193 356
194/* ARGSUSED */ 357 destroy_ev.start (0);
195/* INTPROTO */ 358}
196int
197rxvt_xerror_handler(const Display * display
198 __attribute__ ((unused)), const XErrorEvent * event)
199{
200 dR;
201 359
202 if (R->allowedxerror == -1) { 360void
203 R->allowedxerror = event->error_code; 361rxvt_term::destroy_cb (time_watcher &w)
204 return 0; /* ignored anyway */ 362{
205 } 363 make_current ();
206 rxvt_print_error("XError: Request: %d . %d, Error: %d", 364
207 event->request_code, event->minor_code, 365 delete this;
208 event->error_code);
209/* XXX: probably should call rxvt_clean_exit() bypassing X routines */
210 exit(EXIT_FAILURE);
211/* NOTREACHED */
212} 366}
213 367
214/*----------------------------------------------------------------------*/ 368/*----------------------------------------------------------------------*/
215/* 369/*
216 * Exit gracefully, clearing the utmp entry and restoring tty attributes 370 * Exit gracefully, clearing the utmp entry and restoring tty attributes
217 * TODO: if debugging, this should free up any known resources if we can 371 * TODO: if debugging, this should free up any known resources if we can
218 */ 372 */
219/* EXTPROTO */ 373static XErrorHandler old_xerror_handler;
220void
221rxvt_clean_exit(void)
222{
223 dR;
224 374
225#ifdef DEBUG_SCREEN 375static void
226 rxvt_scr_release(aR); 376rxvt_emergency_cleanup ()
377{
378 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
379 (*t)->emergency_cleanup ();
380}
381
382#if !ENABLE_MINIMAL
383static void
384print_x_error (Display *dpy, XErrorEvent *event)
385{
386 char buffer[BUFSIZ];
387 char mesg[BUFSIZ];
388 char number[32];
389 char *mtype = "XlibMessage";
390 XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
391 XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
392 rxvt_warn ("An X Error occured, trying to continue after report.\n");
393 rxvt_warn ("%s: %s\n", mesg, buffer);
394 XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
395 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
396 sprintf(number, "%d", event->request_code);
397 XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
398 rxvt_warn ("(which is %s)\n", buffer);
399 if (event->request_code >= 128) {
400 XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
401 mesg, BUFSIZ);
402 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
403 }
404 if ((event->error_code == BadWindow) ||
405 (event->error_code == BadPixmap) ||
406 (event->error_code == BadCursor) ||
407 (event->error_code == BadFont) ||
408 (event->error_code == BadDrawable) ||
409 (event->error_code == BadColor) ||
410 (event->error_code == BadGC) ||
411 (event->error_code == BadIDChoice) ||
412 (event->error_code == BadValue) ||
413 (event->error_code == BadAtom)) {
414 if (event->error_code == BadValue)
415 XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
416 mesg, BUFSIZ);
417 else if (event->error_code == BadAtom)
418 XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
419 mesg, BUFSIZ);
420 else
421 XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
422 mesg, BUFSIZ);
423 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
424 }
425 XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
426 mesg, BUFSIZ);
427 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
428}
227#endif 429#endif
228#ifndef NO_SETOWNER_TTYDEV 430
229 rxvt_privileged_ttydev(aR_ RESTORE); 431int
230#endif 432rxvt_xerror_handler (Display *display, XErrorEvent *event)
231#ifdef UTMP_SUPPORT 433{
232 rxvt_privileged_utmp(aR_ RESTORE); 434 if (GET_R->allowedxerror == -1)
233#endif 435 GET_R->allowedxerror = event->error_code;
234#ifdef USE_XIM 436 else
235 if (R->Input_Context != NULL) {
236 XDestroyIC(R->Input_Context);
237 R->Input_Context = NULL;
238 } 437 {
438 // GET_R is most likely not the terminal which caused the error,
439 // so just output the error and continue
440#if ENABLE_MINIMAL
441 old_xerror_handler (display, event);
442#else
443 print_x_error (display, event);
239#endif 444#endif
445 }
446
447 return 0;
448}
449
450int
451rxvt_xioerror_handler (Display *display)
452{
453 rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
454 DisplayString (display));
455 rxvt_emergency_cleanup ();
456 _exit (EXIT_FAILURE);
457}
458
459/*----------------------------------------------------------------------*/
460bool
461rxvt_term::init (int argc, const char *const *argv, stringvec *envv)
462{
463 this->envv = envv;
464
465 SET_R (this);
466 set_locale ("");
467 set_environ (envv); // few things in X do not call setlocale :(
468
469 if (!init_vars ())
470 return false;
471
472 init_secondary ();
473
474 const char **cmd_argv = init_resources (argc, argv);
475
476#ifdef KEYSYM_RESOURCE
477 keyboard->register_done ();
478#endif
479
480#ifdef HAVE_SCROLLBARS
481 if (OPTION (Opt_scrollBar))
482 scrollBar.setIdle (); /* set existence for size calculations */
483#endif
484
485 pty = ptytty::create ();
486
487 create_windows (argc, argv);
488
489 init_xlocale ();
490
491 scr_reset (); // initialize screen
492
493#if 0
494 XSynchronize (dpy, True);
495#endif
496
497#ifdef HAVE_SCROLLBARS
498 if (OPTION (Opt_scrollBar))
499 resize_scrollbar (); /* create and map scrollbar */
500#endif
501#ifdef TRANSPARENT
502 if (OPTION (Opt_transparent))
503 {
504 XSelectInput (dpy, display->root, PropertyChangeMask);
505 check_our_parents ();
506 rootwin_ev.start (display, display->root);
507 }
508#endif
509
510 set_colorfgbg ();
511
512 init_command (cmd_argv);
513
514 free (cmd_argv);
515
516 if (pty->pty >= 0)
517 pty_ev.start (pty->pty, EVENT_READ);
518
519 check_ev.start ();
520
521 HOOK_INVOKE ((this, HOOK_START, DT_END));
522
523#if ENABLE_XEMBED
524 if (rs[Rs_embed])
525 {
526 long info[2] = { 0, XEMBED_MAPPED };
527
528 XChangeProperty (dpy, parent[0], xa[XA_XEMBED_INFO], xa[XA_XEMBED_INFO],
529 32, PropModeReplace, (unsigned char *)&info, 2);
530 }
531#endif
532
533 XMapWindow (dpy, vt);
534 XMapWindow (dpy, parent[0]);
535
536 return true;
537}
538
539static struct sig_handlers
540{
541 sig_watcher sw_term, sw_int;
542
543 /*
544 * Catch a fatal signal and tidy up before quitting
545 */
546 void
547 sig_term (sig_watcher &w)
548 {
549 rxvt_emergency_cleanup ();
550 signal (w.signum, SIG_DFL);
551 kill (getpid (), w.signum);
552 }
553
554 sig_handlers ()
555 : sw_term (this, &sig_handlers::sig_term),
556 sw_int (this, &sig_handlers::sig_term)
557 {
558 }
559} sig_handlers;
560
561char **rxvt_environ; // startup environment
562
563void
564rxvt_init ()
565{
566 ptytty::init ();
567
568 rxvt_environ = environ;
569
570 signal (SIGHUP, SIG_IGN);
571 signal (SIGPIPE, SIG_IGN);
572
573 sig_handlers.sw_term.start (SIGTERM);
574 sig_handlers.sw_int.start (SIGINT);
575
576 /* need to trap SIGURG for SVR4 (Unixware) rlogin */
577 /* signal (SIGURG, SIG_DFL); */
578
579 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
580 // TODO: handle this with exceptions and tolerate the memory loss
581 XSetIOErrorHandler (rxvt_xioerror_handler);
582
583 XrmInitialize ();
240} 584}
241 585
242/* ------------------------------------------------------------------------- * 586/* ------------------------------------------------------------------------- *
243 * MEMORY ALLOCATION WRAPPERS * 587 * MEMORY ALLOCATION WRAPPERS *
244 * ------------------------------------------------------------------------- */ 588 * ------------------------------------------------------------------------- */
245/* EXTPROTO */ 589void *
246void *
247rxvt_malloc(size_t size) 590rxvt_malloc (size_t size)
248{ 591{
249 void *p;
250
251 p = malloc(size); 592 void *p = malloc (size);
593
252 if (p) 594 if (!p)
595 rxvt_fatal ("memory allocation failure. aborting.\n");
596
253 return p; 597 return p;
254
255 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
256 rxvt_clean_exit();
257 exit(EXIT_FAILURE);
258/* NOTREACHED */
259} 598}
260 599
261/* EXTPROTO */ 600void *
262void *
263rxvt_calloc(size_t number, size_t size) 601rxvt_calloc (size_t number, size_t size)
264{ 602{
265 void *p;
266
267 p = calloc(number, size); 603 void *p = calloc (number, size);
604
268 if (p) 605 if (!p)
606 rxvt_fatal ("memory allocation failure. aborting.\n");
607
269 return p; 608 return p;
270
271 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
272 rxvt_clean_exit();
273 exit(EXIT_FAILURE);
274/* NOTREACHED */
275} 609}
276 610
277/* EXTPROTO */ 611void *
278void *
279rxvt_realloc(void *ptr, size_t size) 612rxvt_realloc (void *ptr, size_t size)
280{ 613{
281 void *p;
282
283 if (ptr)
284 p = realloc(ptr, size); 614 void *p = realloc (ptr, size);
285 else 615
286 p = malloc(size);
287 if (p) 616 if (!p)
617 rxvt_fatal ("memory allocation failure. aborting.\n");
618
288 return p; 619 return p;
289
290 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
291 rxvt_clean_exit();
292 exit(EXIT_FAILURE);
293/* NOTREACHED */
294} 620}
295
296/* ------------------------------------------------------------------------- *
297 * PRIVILEGED OPERATIONS *
298 * ------------------------------------------------------------------------- */
299/* take care of suid/sgid super-user (root) privileges */
300/* INTPROTO */
301void
302rxvt_privileges(pR_ int mode)
303{
304#if ! defined(__CYGWIN32__)
305# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
306/* setreuid() is the poor man's setuid(), seteuid() */
307# define seteuid(a) setreuid(-1, (a))
308# define setegid(a) setregid(-1, (a))
309# define HAVE_SETEUID
310# endif
311# ifdef HAVE_SETEUID
312 switch (mode) {
313 case IGNORE:
314 /*
315 * change effective uid/gid - not real uid/gid - so we can switch
316 * back to root later, as required
317 */
318 seteuid(getuid());
319 setegid(getgid());
320 break;
321 case SAVE:
322 R->euid = geteuid();
323 R->egid = getegid();
324 break;
325 case RESTORE:
326 seteuid(R->euid);
327 setegid(R->egid);
328 break;
329 }
330# else
331 switch (mode) {
332 case IGNORE:
333 setuid(getuid());
334 setgid(getgid());
335 /* FALLTHROUGH */
336 case SAVE:
337 /* FALLTHROUGH */
338 case RESTORE:
339 break;
340 }
341# endif
342#endif
343}
344
345#ifdef UTMP_SUPPORT
346/* EXTPROTO */
347void
348rxvt_privileged_utmp(pR_ char action)
349{
350 D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
351 action, R->next_utmp_action, getpid()));
352 if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
353 || (R->Options & Opt_utmpInhibit)
354 || R->ttydev == NULL || *R->ttydev == '\0')
355 return;
356
357 rxvt_privileges(aR_ RESTORE);
358 if (action == SAVE) {
359 R->next_utmp_action = RESTORE;
360 rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
361 } else { /* action == RESTORE */
362 R->next_utmp_action = IGNORE;
363 rxvt_cleanutent(aR);
364 }
365 rxvt_privileges(aR_ IGNORE);
366}
367#endif
368
369#ifndef NO_SETOWNER_TTYDEV
370/* EXTPROTO */
371void
372rxvt_privileged_ttydev(pR_ char action)
373{
374 D_MAIN((stderr,
375 "rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
376 action, R->next_tty_action, getpid()));
377 if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
378 || R->ttydev == NULL || *R->ttydev == '\0')
379 return;
380
381 rxvt_privileges(aR_ RESTORE);
382
383 if (action == SAVE) {
384 R->next_tty_action = RESTORE;
385# ifndef RESET_TTY_TO_COMMON_DEFAULTS
386/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
387 if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
388 R->next_tty_action = IGNORE;
389 else
390# endif
391 {
392 chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
393 chmod(R->ttydev, R->ttymode);
394# ifdef HAVE_REVOKE
395 revoke(R->ttydev);
396# endif
397 }
398 } else { /* action == RESTORE */
399 R->next_tty_action = IGNORE;
400# ifndef RESET_TTY_TO_COMMON_DEFAULTS
401 chmod(R->ttydev, R->ttyfd_stat.st_mode);
402 chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
403# else
404 chmod(R->ttydev,
405 (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
406 chown(R->ttydev, 0, 0);
407# endif
408 }
409
410 rxvt_privileges(aR_ IGNORE);
411
412# ifndef RESET_TTY_TO_COMMON_DEFAULTS
413 D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
414 action == RESTORE ? "Restoring" : (action ==
415 SAVE ? "Saving" :
416 "UNKNOWN ERROR for"), R->ttydev,
417 R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
418 R->ttyfd_stat.st_gid));
419# endif
420}
421#endif
422 621
423/*----------------------------------------------------------------------*/ 622/*----------------------------------------------------------------------*/
424/* 623/*
425 * window size/position calculcations for XSizeHint and other storage. 624 * window size/position calculcations for XSizeHint and other storage.
426 * if width/height are non-zero then override calculated width/height 625 * if width/height are non-zero then override calculated width/height
427 */ 626 */
428/* EXTPROTO */
429void 627void
430rxvt_window_calc(pR_ unsigned int width, unsigned int height) 628rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
431{ 629{
432 short recalc_x, recalc_y; 630 short recalc_x, recalc_y;
433 int x, y, sb_w, mb_h, flags; 631 int x, y, sb_w, flags;
434 unsigned int w, h; 632 unsigned int w, h;
435 unsigned int max_width, max_height; 633 unsigned int max_width, max_height;
436 634
437 D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
438 R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
439 R->szHint.height));
440 R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; 635 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
441 R->szHint.win_gravity = NorthWestGravity; 636 szHint.win_gravity = NorthWestGravity;
442/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */ 637 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
443 638
444 recalc_x = recalc_y = 0; 639 recalc_x = recalc_y = 0;
445 flags = 0; 640 flags = 0;
641
446 if (!R->parsed_geometry) { 642 if (!parsed_geometry)
643 {
447 R->parsed_geometry = 1; 644 parsed_geometry = 1;
645
448 if (R->rs[Rs_geometry]) 646 if (rs[Rs_geometry])
449 flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h); 647 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
648
450 if (flags & WidthValue) { 649 if (flags & WidthValue)
451 R->TermWin.ncol = BOUND_POSITIVE_INT16(w); 650 {
651 ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
452 R->szHint.flags |= USSize; 652 szHint.flags |= USSize;
453 } 653 }
654
454 if (flags & HeightValue) { 655 if (flags & HeightValue)
455 R->TermWin.nrow = BOUND_POSITIVE_INT16(h); 656 {
657 nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
456 R->szHint.flags |= USSize; 658 szHint.flags |= USSize;
457 } 659 }
660
458 if (flags & XValue) { 661 if (flags & XValue)
662 {
459 R->szHint.x = x; 663 szHint.x = x;
460 R->szHint.flags |= USPosition; 664 szHint.flags |= USPosition;
665
461 if (flags & XNegative) { 666 if (flags & XNegative)
667 {
462 recalc_x = 1; 668 recalc_x = 1;
463 R->szHint.win_gravity = NorthEastGravity; 669 szHint.win_gravity = NorthEastGravity;
464 } 670 }
465 } 671 }
672
466 if (flags & YValue) { 673 if (flags & YValue)
674 {
467 R->szHint.y = y; 675 szHint.y = y;
468 R->szHint.flags |= USPosition; 676 szHint.flags |= USPosition;
677
469 if (flags & YNegative) { 678 if (flags & YNegative)
679 {
470 recalc_y = 1; 680 recalc_y = 1;
681
471 if (R->szHint.win_gravity == NorthEastGravity) 682 if (szHint.win_gravity == NorthEastGravity)
472 R->szHint.win_gravity = SouthEastGravity; 683 szHint.win_gravity = SouthEastGravity;
473 else 684 else
474 R->szHint.win_gravity = SouthWestGravity; 685 szHint.win_gravity = SouthWestGravity;
475 } 686 }
476 } 687 }
477 } 688 }
689
478/* TODO: BOUNDS */ 690 /* TODO: BOUNDS */
479 R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth; 691 width = ncol * fwidth;
480 R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight; 692 height = nrow * fheight;
481 max_width = MAX_COLS * R->TermWin.fwidth; 693 max_width = MAX_COLS * fwidth;
482 max_height = MAX_ROWS * R->TermWin.fheight; 694 max_height = MAX_ROWS * fheight;
483 695
484 R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth; 696 szHint.base_width = szHint.base_height = 2 * int_bwidth;
485 697
486 sb_w = mb_h = 0; 698 sb_w = 0;
487 R->window_vt_x = R->window_vt_y = 0; 699 window_vt_x = window_vt_y = int_bwidth;
488 if (scrollbar_visible(R)) { 700
701 if (scrollBar.state)
702 {
489 sb_w = scrollbar_TotalWidth(); 703 sb_w = scrollbar_TotalWidth ();
490 R->szHint.base_width += sb_w; 704 szHint.base_width += sb_w;
705
491 if (!(R->Options & Opt_scrollBar_right)) 706 if (!OPTION (Opt_scrollBar_right))
492 R->window_vt_x = sb_w; 707 window_vt_x += sb_w;
493 } 708 }
494 if (menubar_visible(R)) { 709
495 mb_h = menuBar_TotalHeight();
496 R->szHint.base_height += mb_h;
497 R->window_vt_y = mb_h;
498 }
499 R->szHint.width_inc = R->TermWin.fwidth; 710 szHint.width_inc = fwidth;
500 R->szHint.height_inc = R->TermWin.fheight; 711 szHint.height_inc = fheight;
501 R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc; 712 szHint.min_width = szHint.base_width + szHint.width_inc;
502 R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc; 713 szHint.min_height = szHint.base_height + szHint.height_inc;
503 714
504 if (width && width - R->szHint.base_width < max_width) { 715 if (newwidth && newwidth - szHint.base_width < max_width)
716 {
505 R->szHint.width = width; 717 szHint.width = newwidth;
506 R->TermWin.width = width - R->szHint.base_width; 718 width = newwidth - szHint.base_width;
507 } else { 719 }
508 MIN_IT(R->TermWin.width, max_width); 720 else
721 {
722 min_it (width, max_width);
509 R->szHint.width = R->szHint.base_width + R->TermWin.width; 723 szHint.width = szHint.base_width + width;
510 } 724 }
725
511 if (height && height - R->szHint.base_height < max_height) { 726 if (newheight && newheight - szHint.base_height < max_height)
727 {
512 R->szHint.height = height; 728 szHint.height = newheight;
513 R->TermWin.height = height - R->szHint.base_height; 729 height = newheight - szHint.base_height;
514 } else { 730 }
515 MIN_IT(R->TermWin.height, max_height); 731 else
732 {
733 min_it (height, max_height);
516 R->szHint.height = R->szHint.base_height + R->TermWin.height; 734 szHint.height = szHint.base_height + height;
517 } 735 }
518 if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right)) 736
737 if (scrollBar.state && OPTION (Opt_scrollBar_right))
519 R->window_sb_x = R->szHint.width - sb_w; 738 window_sb_x = szHint.width - sb_w;
520 739
521 if (recalc_x) 740 if (recalc_x)
522 R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen) 741 szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
523 - R->szHint.width - 2 * R->TermWin.ext_bwidth); 742
524 if (recalc_y) 743 if (recalc_y)
525 R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen) 744 szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
526 - R->szHint.height - 2 * R->TermWin.ext_bwidth);
527 745
528 R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth; 746 ncol = width / fwidth;
529 R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight; 747 nrow = height / fheight;
530 D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
531 R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
532 R->szHint.height));
533 return;
534} 748}
535 749
536/*----------------------------------------------------------------------*/ 750/*----------------------------------------------------------------------*/
537/* 751/*
538 * Tell the teletype handler what size the window is. 752 * Tell the teletype handler what size the window is.
539 * Called after a window size change. 753 * Called after a window size change.
540 */ 754 */
541/* EXTPROTO */
542void 755void
543rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid) 756rxvt_term::tt_winch ()
544{ 757{
758 if (pty->pty < 0)
759 return;
760
545 struct winsize ws; 761 struct winsize ws;
546 762
547 if (fd < 0)
548 return;
549 ws.ws_col = col; 763 ws.ws_col = ncol;
550 ws.ws_row = row; 764 ws.ws_row = nrow;
551 ws.ws_xpixel = ws.ws_ypixel = 0; 765 ws.ws_xpixel = width;
552#ifndef DEBUG_SIZE 766 ws.ws_ypixel = height;
553 (void)ioctl(fd, TIOCSWINSZ, &ws); 767 (void)ioctl (pty->pty, TIOCSWINSZ, &ws);
554#else 768
555 if (ioctl(fd, TIOCSWINSZ, &ws) < 0) { 769#if 0
556 D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd)); 770 // TIOCSWINSZ⎈ is supposed to do this automatically and correctly
557 }
558# ifdef SIGWINCH
559 else if (pid) /* force through to the command */ 771 if (cmd_pid) /* force through to the command */
560 kill(pid, SIGWINCH); 772 kill (-cmd_pid, SIGWINCH);
561# endif
562#endif 773#endif
563} 774}
564 775
565/*----------------------------------------------------------------------*/ 776/*----------------------------------------------------------------------*/
566/* rxvt_change_font() - Switch to a new font */ 777/* set_fonts () - load and set the various fonts
567/* 778 *
568 * init = 1 - initialize 779 * init = 1 - initialize
569 * 780 *
570 * fontname == FONT_UP - switch to bigger font 781 * fontname == FONT_UP - switch to bigger font
571 * fontname == FONT_DN - switch to smaller font 782 * fontname == FONT_DN - switch to smaller font
572 */ 783 */
573/* EXTPROTO */ 784bool
574void 785rxvt_term::set_fonts ()
575rxvt_change_font(pR_ int init, const char *fontname)
576{ 786{
577} 787 rxvt_fontset *fs = new rxvt_fontset (this);
788 rxvt_fontprop prop;
578 789
579/* INTPROTO */ 790 if (!fs
580void 791 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
581rxvt_font_up_down(pR_ int n, int direction) 792 || !fs->realize_font (1))
793 {
794 delete fs;
795 return false;
796 }
797
798#if ENABLE_STYLES
799 for (int i = RS_styleCount; --i; )
800 if (fontset[i] != fontset[0])
801 delete fontset[i];
802#endif
803
804 delete fontset[0];
805 fontset[0] = fs;
806
807 prop = (*fs)[1]->properties ();
808 prop.height += lineSpace;
809 fs->set_prop (prop);
810
811 fwidth = prop.width;
812 fheight = prop.height;
813 fbase = prop.ascent;
814
815 for (int style = 1; style < 4; style++)
816 {
817#if ENABLE_STYLES
818 const char *res = rs[Rs_font + style];
819
820 if (res && !*res)
821 fontset[style] = fontset[0];
822 else
823 {
824 fontset[style] = fs = new rxvt_fontset (this);
825 rxvt_fontprop prop2 = prop;
826
827 if (res)
828 prop2.weight = prop2.slant = rxvt_fontprop::unset;
829 else
830 {
831 res = fontset[0]->fontdesc;
832
833 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
834 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
835 }
836
837 fs->populate (res);
838 fs->set_prop (prop2);
839 }
840#else
841 fontset[style] = fontset[0];
842#endif
843 }
844
845 if (parent[0])
846 {
847 resize_all_windows (0, 0, 0);
848 scr_remap_chars ();
849 scr_touch (true);
850 }
851
852 return true;
853}
854
855void rxvt_term::set_string_property (Atom prop, const char *str, int len)
582{ 856{
857 XChangeProperty (dpy, parent[0],
858 prop, XA_STRING, 8, PropModeReplace,
859 (const unsigned char *)str, len >= 0 ? len : strlen (str));
860}
861
862void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
863{
864 wchar_t *ws = rxvt_mbstowcs (str, len);
865 char *s = rxvt_wcstoutf8 (ws);
866
867 XChangeProperty (dpy, parent[0],
868 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
869 (const unsigned char *)s, strlen (s));
870
871 free (s);
872 free (ws);
583} 873}
584 874
585/*----------------------------------------------------------------------*/ 875/*----------------------------------------------------------------------*/
586/*----------------------------------------------------------------------*/ 876/*----------------------------------------------------------------------*/
587/* xterm sequences - title, iconName, color (exptl) */ 877/* xterm sequences - title, iconName, color (exptl) */
588/* EXTPROTO */
589void 878void
590rxvt_set_title(pR_ const char *str) 879rxvt_term::set_title (const char *str)
591{ 880{
592#ifndef SMART_WINDOW_TITLE 881 set_string_property (XA_WM_NAME, str);
593 XStoreName(R->Xdisplay, R->TermWin.parent[0], str); 882#if ENABLE_EWMH
883 set_utf8_property (xa[XA_NET_WM_NAME], str);
884#endif
885}
886
887void
888rxvt_term::set_icon_name (const char *str)
889{
890 set_string_property (XA_WM_ICON_NAME, str);
891#if ENABLE_EWMH
892 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
893#endif
894}
895
896#ifdef XTERM_COLOR_CHANGE
897void
898rxvt_term::set_window_color (int idx, const char *color)
899{
900 rxvt_color xcol;
901 int i;
902
903 if (color == NULL || *color == '\0')
904 return;
905
906 color = strdup (color);
907 allocated.push_back ((void *)color);
908 rs[Rs_color + idx] = color;
909
910 /* handle color aliases */
911 if (isdigit (*color))
912 {
913 i = atoi (color);
914
915 if (i >= 8 && i <= 15)
916 { /* bright colors */
917 i -= 8;
918 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
919 goto done;
920 }
921
922 if (i >= 0 && i <= 7)
923 { /* normal colors */
924 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
925 goto done;
926 }
927 }
928
929 set_color (xcol, color);
930
931 /*
932 * FIXME: should free colors here, but no idea how to do it so instead,
933 * so just keep gobbling up the colormap
934 */
935
936 pix_colors_focused[idx] = xcol;
937
938 /* XSetWindowAttributes attr; */
939 /* Cursor cursor; */
940done:
941
942#if OFF_FOCUS_FADING
943 if (rs[Rs_fade])
944 {
945 rgba c;
946 pix_colors [Color_fade].get (c);
947 pix_colors_focused [idx].fade (this, atoi (rs[Rs_fade]), pix_colors_unfocused [idx], c);
948 }
949#endif
950
951 /*TODO: handle Color_BD, scrollbar background, etc. */
952
953 recolour_cursor ();
954 scr_recolour ();
955}
956
594#else 957#else
595 char *name;
596
597 if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
598 name = NULL;
599 if (name == NULL || STRCMP(name, str))
600 XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
601 if (name)
602 XFree(name);
603#endif
604}
605
606/* EXTPROTO */
607void
608rxvt_set_iconName(pR_ const char *str)
609{
610#ifndef SMART_WINDOW_TITLE
611 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
612#else
613 char *name;
614
615 if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
616 name = NULL;
617 if (name == NULL || STRCMP(name, str))
618 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
619 if (name)
620 XFree(name);
621#endif
622}
623
624#ifdef XTERM_COLOR_CHANGE
625/* EXTPROTO */
626void
627rxvt_set_window_color(pR_ int idx, const char *color)
628{
629 rxvt_color xcol;
630 int i;
631
632 if (color == NULL || *color == '\0')
633 return;
634
635/* handle color aliases */
636 if (isdigit(*color)) {
637 i = atoi(color);
638 if (i >= 8 && i <= 15) { /* bright colors */
639 i -= 8;
640# ifndef NO_BRIGHTCOLOR
641 R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
642 SET_PIXCOLOR(R, idx);
643 goto Done;
644# endif
645 }
646 if (i >= 0 && i <= 7) { /* normal colors */
647 R->PixColors[idx] = R->PixColors[minCOLOR + i];
648 SET_PIXCOLOR(R, idx);
649 goto Done;
650 }
651 }
652 if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
653 return;
654/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
655
656/*
657 * FIXME: should free colors here, but no idea how to do it so instead,
658 * so just keep gobbling up the colormap
659 */
660# if 0
661 for (i = Color_Black; i <= Color_White; i++)
662 if (R->PixColors[idx] == R->PixColors[i])
663 break;
664 if (i > Color_White) {
665 /* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
666 XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
667 DisplayPlanes(R->Xdisplay, Xscreen));
668 }
669# endif
670
671 R->PixColors[idx] = xcol;
672 SET_PIXCOLOR(R, idx);
673
674/* XSetWindowAttributes attr; */
675/* Cursor cursor; */
676 Done:
677 if (idx == Color_bg && !(R->Options & Opt_transparent))
678 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
679 R->PixColors[Color_bg]);
680
681/* handle Color_BD, scrollbar background, etc. */
682
683 rxvt_set_colorfgbg(aR);
684 rxvt_recolour_cursor(aR);
685/* the only reasonable way to enforce a clean update */
686 rxvt_scr_poweron(aR);
687}
688
689#else
690# define rxvt_set_window_color(aR_ idx,color) ((void)0) 958# define set_window_color (idx,color) ((void)0)
691#endif /* XTERM_COLOR_CHANGE */ 959#endif /* XTERM_COLOR_CHANGE */
692 960
693/* EXTPROTO */
694void 961void
695rxvt_recolour_cursor(pR) 962rxvt_term::recolour_cursor ()
696{ 963{
697 rxvt_color xcol[2]; 964 XColor fg, bg;
698 965
699#if TODO 966 (ISSET_PIXCOLOR (Color_pointer_fg)
700 xcol[0] = R->PixColors[Color_pointer]; 967 ? pix_colors_focused[Color_pointer_fg]
701 xcol[1] = R->PixColors[Color_bg]; 968 : pix_colors_focused[Color_fg]).get (fg);
702 XQueryColors(R->Xdisplay, XCMAP, xcol, 2); 969
703 XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1])); 970 (ISSET_PIXCOLOR (Color_pointer_bg)
704#endif 971 ? pix_colors_focused[Color_pointer_bg]
972 : pix_colors_focused[Color_bg]).get (bg);
973
974 XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
705} 975}
706 976
707/*----------------------------------------------------------------------*/ 977/*----------------------------------------------------------------------*/
708/* 978/*
709 * find if fg/bg matches any of the normal (low-intensity) colors 979 * find if fg/bg matches any of the normal (low-intensity) colors
710 */ 980 */
711/* INTPROTO */
712void 981void
713rxvt_set_colorfgbg(pR) 982rxvt_term::set_colorfgbg ()
714{ 983{
715 unsigned int i; 984 unsigned int i;
716 const char *xpmb = "\0"; 985 const char *xpmb = "\0";
717 char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1]; 986 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
718 987
719 R->env_colorfgbg = 988 strcpy (fstr, "default");
720 (char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1); 989 strcpy (bstr, "default");
721 STRCPY(fstr, "default");
722 STRCPY(bstr, "default");
723 for (i = Color_Black; i <= Color_White; i++) 990 for (i = Color_Black; i <= Color_White; i++)
724 if (R->PixColors[Color_fg] == R->PixColors[i]) { 991 if (pix_colors[Color_fg] == pix_colors[i])
992 {
725 sprintf(fstr, "%d", (i - Color_Black)); 993 sprintf (fstr, "%d", (i - Color_Black));
726 break; 994 break;
727 } 995 }
996
728 for (i = Color_Black; i <= Color_White; i++) 997 for (i = Color_Black; i <= Color_White; i++)
729 if (R->PixColors[Color_bg] == R->PixColors[i]) { 998 if (pix_colors[Color_bg] == pix_colors[i])
999 {
730 sprintf(bstr, "%d", (i - Color_Black)); 1000 sprintf (bstr, "%d", (i - Color_Black));
731#ifdef XPM_BACKGROUND 1001#ifdef XPM_BACKGROUND
732 xpmb = "default;"; 1002 xpmb = "default;";
733#endif 1003#endif
734 break; 1004 break;
735 } 1005 }
1006
736 sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); 1007 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
737 putenv(R->env_colorfgbg);
738
739#ifndef NO_BRIGHTCOLOR
740 R->colorfgbg = DEFAULT_RSTYLE;
741 for (i = minCOLOR; i <= maxCOLOR; i++) {
742 if (R->PixColors[Color_fg] == R->PixColors[i])
743 R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
744 if (R->PixColors[Color_bg] == R->PixColors[i])
745 R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
746 }
747#endif
748} 1008}
749 1009
750/*----------------------------------------------------------------------*/ 1010/*----------------------------------------------------------------------*/
751/*
752 * Colour determination for low colour displays, routine from
753 * Hans de Goede <hans@highrise.nl>
754 */
755 1011
756/* EXTPROTO */ 1012bool
757int 1013rxvt_term::set_color (rxvt_color &color, const char *name)
758rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
759{ 1014{
760 screen_in_out->set(aR_ colour); 1015 if (color.set (this, name))
761
762 if (!screen_in_out->set(aR_ colour)) {
763 rxvt_print_error("can't allocate colour: %s", colour);
764 return false;
765 }
766
767 return true; 1016 return true;
1017
1018 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
1019 return false;
1020}
1021
1022void
1023rxvt_term::alias_color (int dst, int src)
1024{
1025 pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
768} 1026}
769 1027
770/* -------------------------------------------------------------------- * 1028/* -------------------------------------------------------------------- *
771 * - WINDOW RESIZING - * 1029 * - WINDOW RESIZING - *
772 * -------------------------------------------------------------------- */ 1030 * -------------------------------------------------------------------- */
773/* EXTPROTO */
774void 1031void
775rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height, 1032rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
776 int ignoreparent)
777{ 1033{
778 int fix_screen; 1034 int fix_screen;
1035 int old_width = szHint.width;
1036 int old_height = szHint.height;
779 1037
1038 window_calc (newwidth, newheight);
1039
1040 if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
1041 XSetWMNormalHints (dpy, parent[0], &szHint);
1042
1043 if (!ignoreparent)
1044 {
780#ifdef SMART_RESIZE 1045#ifdef SMART_RESIZE
781 int old_width = R->szHint.width, old_height = R->szHint.height; 1046 /*
782#endif
783
784 rxvt_window_calc(aR_ width, height);
785 XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
786 if (!ignoreparent) {
787#ifdef SMART_RESIZE
788/*
789 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> 1047 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
790 * reposition window on resize depending on placement on screen 1048 * reposition window on resize depending on placement on screen
791 */ 1049 */
792 int x, y, x1, y1; 1050 int x, y, x1, y1;
793 int dx, dy; 1051 int dx, dy;
794 unsigned int unused_w1, unused_h1, unused_b1, unused_d1; 1052 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
795 Window unused_cr; 1053 Window unused_cr;
796 1054
797 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot, 1055 XTranslateCoordinates (dpy, parent[0], display->root,
798 0, 0, &x, &y, &unused_cr); 1056 0, 0, &x, &y, &unused_cr);
799 XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1, 1057 XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
800 &unused_w1, &unused_h1, &unused_b1, &unused_d1); 1058 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
801 /* 1059 /*
802 * if Xroot isn't the parent window, a WM will probably have offset 1060 * if display->root isn't the parent window, a WM will probably have offset
803 * our position for handles and decorations. Counter it 1061 * our position for handles and decorations. Counter it
804 */ 1062 */
805 if (x1 != x || y1 != y) { 1063 if (x1 != x || y1 != y)
1064 {
806 x -= x1; 1065 x -= x1;
807 y -= y1; 1066 y -= y1;
808 } 1067 }
809 1068
810 x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2; 1069 x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
811 y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2; 1070 y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
812 dx = old_width - R->szHint.width; 1071 dx = old_width - szHint.width;
813 dy = old_height - R->szHint.height; 1072 dy = old_height - szHint.height;
814 1073
815 /* Check position of the center of the window */ 1074 /* Check position of the center of the window */
816 if (x < x1) /* left half */ 1075 if (x < x1) /* left half */
817 dx = 0; 1076 dx = 0;
818 else if (x == x1) /* exact center */ 1077 else if (x == x1) /* exact center */
819 dx /= 2; 1078 dx /= 2;
820 if (y < y1) /* top half */ 1079 if (y < y1) /* top half */
821 dy = 0; 1080 dy = 0;
822 else if (y == y1) /* exact center */ 1081 else if (y == y1) /* exact center */
823 dy /= 2; 1082 dy /= 2;
824 1083
825 XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy, 1084 XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
826 R->szHint.width, R->szHint.height); 1085 szHint.width, szHint.height);
827#else 1086#else
828 XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width, 1087 XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
829 R->szHint.height);
830#endif 1088#endif
831 } 1089 }
832 1090
833 fix_screen = (R->TermWin.ncol != R->prev_ncol 1091 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
834 || R->TermWin.nrow != R->prev_nrow); 1092
835 if (fix_screen || width != R->old_width || height != R->old_height) { 1093 if (fix_screen || newwidth != old_width || newheight != old_height)
836 if (scrollbar_visible(R)) { 1094 {
1095 if (scrollBar.state)
1096 {
837 XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x, 1097 XMoveResizeWindow (dpy, scrollBar.win,
1098 window_sb_x, 0,
838 0, scrollbar_TotalWidth(), R->szHint.height); 1099 scrollbar_TotalWidth (), szHint.height);
839 rxvt_Resize_scrollBar(aR); 1100 resize_scrollbar ();
840 } 1101 }
841 if (menubar_visible(R)) 1102
842 XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x, 1103 XMoveResizeWindow (dpy, vt,
843 0, TermWin_TotalWidth(), menuBar_TotalHeight()); 1104 window_vt_x, window_vt_y,
844 XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
845 R->window_vt_y, TermWin_TotalWidth(),
846 TermWin_TotalHeight()); 1105 width, height);
847#ifdef RXVT_GRAPHICS 1106
848 if (R->old_height)
849 rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
850 R->old_height - R->szHint.base_height);
851#endif
852 rxvt_scr_clear(aR); 1107 scr_clear ();
853#ifdef XPM_BACKGROUND 1108#ifdef XPM_BACKGROUND
854 rxvt_resize_pixmap(aR); 1109 resize_pixmap ();
855#endif 1110#endif
856 } 1111 }
857 1112
858 if (fix_screen || R->old_height == 0) { 1113 if (fix_screen || old_height == 0)
859 int curr_screen = -1; 1114 scr_reset ();
860 uint16_t old_ncol = R->prev_ncol;
861 1115
862 /* scr_reset only works on the primary screen */ 1116 // TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
863 if (R->old_height) /* this is not the first time through */ 1117 //scr_touch (false);
864 curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
865 rxvt_scr_reset(aR);
866 if (curr_screen >= 0) { /* this is not the first time through */
867 rxvt_scr_change_screen(aR_ curr_screen);
868 rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
869 }
870 }
871 1118
872 R->old_width = R->szHint.width; 1119#ifdef XPM_BACKGROUND
873 R->old_height = R->szHint.height; 1120 if (pixmap)
1121 scr_touch (false);
1122#endif
874 1123
875#ifdef USE_XIM 1124#ifdef USE_XIM
876 rxvt_IMSetStatusPosition(aR); 1125 IMSetPosition ();
877#endif 1126#endif
878} 1127}
879 1128
880/* 1129/*
881 * Set the width/height of the vt window in characters. Units are pixels. 1130 * Set the width/height of the vt window in characters. Units are pixels.
882 * good for toggling 80/132 columns 1131 * good for toggling 80/132 columns
883 */ 1132 */
884/* EXTPROTO */
885void 1133void
886rxvt_set_widthheight(pR_ unsigned int width, unsigned int height) 1134rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
887{ 1135{
888 XWindowAttributes wattr; 1136 XWindowAttributes wattr;
889 1137
890 if (width == 0 || height == 0) { 1138 if (newwidth == 0 || newheight == 0)
1139 {
891 XGetWindowAttributes(R->Xdisplay, Xroot, &wattr); 1140 XGetWindowAttributes (dpy, display->root, &wattr);
1141
892 if (width == 0) 1142 if (newwidth == 0)
893 width = wattr.width - R->szHint.base_width; 1143 newwidth = wattr.width - szHint.base_width;
894 if (height == 0) 1144 if (newheight == 0)
895 height = wattr.height - R->szHint.base_height; 1145 newheight = wattr.height - szHint.base_height;
1146 }
1147
1148 if (newwidth != width || newheight != height)
896 } 1149 {
897 if (width != R->TermWin.width || height != R->TermWin.height) {
898 width += R->szHint.base_width; 1150 newwidth += szHint.base_width;
899 height += R->szHint.base_height; 1151 newheight += szHint.base_height;
900 rxvt_resize_all_windows(aR_ width, height, 0); 1152 resize_all_windows (newwidth, newheight, 0);
901 } 1153 }
902} 1154}
903 1155
904/* -------------------------------------------------------------------- * 1156/* -------------------------------------------------------------------- *
905 * - X INPUT METHOD ROUTINES - * 1157 * - X INPUT METHOD ROUTINES - *
906 * -------------------------------------------------------------------- */ 1158 * -------------------------------------------------------------------- */
907#ifdef USE_XIM 1159#ifdef USE_XIM
908/* INTPROTO */
909void
910rxvt_setSize(pR_ XRectangle * size)
911{
912 size->x = R->TermWin.int_bwidth;
913 size->y = R->TermWin.int_bwidth;
914 size->width = Width2Pixel(R->TermWin.ncol);
915 size->height = Height2Pixel(R->TermWin.nrow);
916}
917 1160
918/* INTPROTO */
919void 1161void
920rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg) 1162rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
921{ 1163{
922 *fg = R->PixColors[Color_fg]; 1164 fg = pix_colors [Color_fg];
923 *bg = R->PixColors[Color_bg]; 1165 bg = pix_colors [Color_bg];
1166}
1167
1168void
1169rxvt_term::im_set_size (XRectangle &size)
1170{
1171 // the int_bwidth terms make no sense to me
1172 size.x = int_bwidth;
1173 size.y = int_bwidth;
1174 size.width = Width2Pixel (ncol) + int_bwidth;
1175 size.height = Height2Pixel (nrow) + int_bwidth;
1176}
1177
1178void
1179rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1180 XRectangle &status_rect,
1181 const XRectangle &needed_rect)
1182{
1183 preedit_rect.x = needed_rect.width;
1184 preedit_rect.y = 0;
1185 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1186 preedit_rect.height = fheight;
1187
1188 status_rect.x = 0;
1189 status_rect.y = 0;
1190 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1191 status_rect.height = fheight;
924} 1192}
925 1193
926/* Checking whether input method is running. */ 1194/* Checking whether input method is running. */
927/* INTPROTO */
928Bool 1195bool
929rxvt_IMisRunning(pR) 1196rxvt_term::IMisRunning ()
930{ 1197{
931 char *p; 1198 char *p;
932 Atom atom; 1199 Atom atom;
933 Window win; 1200 Window win;
934 char server[IMBUFSIZ]; 1201 char server[IMBUFSIZ];
935 1202
936/* get current locale modifier */ 1203 /* get current locale modifier */
937 if ((p = XSetLocaleModifiers(NULL)) != NULL) { 1204 if ((p = XSetLocaleModifiers (NULL)) != NULL)
1205 {
938 STRCPY(server, "@server="); 1206 strcpy (server, "@server=");
939 STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */ 1207 strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1208
940 if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */ 1209 if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
941 *p = '\0'; 1210 *p = '\0';
942 1211
943 atom = XInternAtom(R->Xdisplay, server, False); 1212 atom = XInternAtom (dpy, server, False);
944 win = XGetSelectionOwner(R->Xdisplay, atom); 1213 win = XGetSelectionOwner (dpy, atom);
1214
945 if (win != None) 1215 if (win != None)
946 return True; 1216 return True;
947 } 1217 }
1218
948 return False; 1219 return False;
949} 1220}
950 1221
951/* EXTPROTO */
952void 1222void
953rxvt_IMSendSpot(pR) 1223rxvt_term::IMSendSpot ()
954{ 1224{
955 XPoint spot; 1225 XPoint nspot;
956 XVaNestedList preedit_attr; 1226 XVaNestedList preedit_attr;
957 1227
958 if (R->Input_Context == NULL 1228 if (!Input_Context
959 || !R->TermWin.focus || !(R->input_style & XIMPreeditPosition) 1229 || !focus
960 || !(R->event_type == KeyPress 1230 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
961 || R->event_type == Expose
962 || R->event_type == NoExpose
963 || R->event_type == SelectionNotify
964 || R->event_type == ButtonRelease || R->event_type == FocusIn)
965 || !rxvt_IMisRunning(aR))
966 return; 1231 return;
967 1232
968 rxvt_setPosition(aR_ & spot); 1233 im_set_position (nspot);
969 1234
1235 if (nspot.x == spot.x && nspot.y == spot.y)
1236 return;
1237
1238 spot = nspot;
1239
970 preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL); 1240 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
971 XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL); 1241 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
972 XFree(preedit_attr); 1242 XFree (preedit_attr);
973} 1243}
974 1244
975/* EXTPROTO */
976void 1245void
977rxvt_setTermFontSet(pR_ int idx) 1246rxvt_term::im_destroy ()
978{ 1247{
979 char *string; 1248 if (input_method)
980 long length; 1249 {
981 int success = 0; 1250 if (Input_Context && input_method->xim)
1251 XDestroyIC (Input_Context);
982 1252
983 if (idx < 0 || idx >= MAX_NFONTS) 1253 display->put_xim (input_method);
984 return; 1254 input_method = 0;
985} 1255 }
986 1256
987/* INTPROTO */
988void
989rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
990 XRectangle * needed_rect)
991{
992 int mbh, vtx = 0;
993
994 if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
995 vtx = scrollbar_TotalWidth();
996 mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
997 mbh -= R->TermWin.lineSpace;
998
999 preedit_rect->x = needed_rect->width + vtx;
1000 preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1001
1002 preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1003 + vtx;
1004 preedit_rect->height = Height2Pixel(1);
1005
1006 status_rect->x = vtx;
1007 status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1008
1009 status_rect->width = needed_rect->width ? needed_rect->width
1010 : Width2Pixel(R->TermWin.ncol + 1);
1011 status_rect->height = Height2Pixel(1);
1012}
1013
1014/* ARGSUSED */
1015/* INTPROTO */
1016void
1017rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1018 __attribute__ ((unused)), XPointer call_data
1019 __attribute__ ((unused)))
1020{
1021 dR;
1022
1023 R->Input_Context = NULL; 1257 Input_Context = 0;
1024/* To avoid Segmentation Fault in C locale: Solaris only? */
1025 if (STRCMP(R->locale, "C"))
1026 XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1027 rxvt_IMInstantiateCallback, NULL);
1028} 1258}
1029 1259
1030/* 1260#ifdef ENABLE_XIM_ONTHESPOT
1031 * X manual pages and include files don't match on some systems:
1032 * some think this is an XIDProc and others an XIMProc so we can't
1033 * use the first argument - need to update this to be nice for
1034 * both types via some sort of configure detection
1035 */
1036/* ARGSUSED */
1037/* EXTPROTO */
1038void
1039rxvt_IMInstantiateCallback(Display * unused
1040 __attribute__ ((unused)), XPointer client_data
1041 __attribute__ ((unused)), XPointer call_data
1042 __attribute__ ((unused)))
1043{
1044 dR;
1045 int i, found, had_im;
1046 const char *p;
1047 char **s;
1048 char buf[IMBUFSIZ];
1049 1261
1050 D_MAIN((stderr, "rxvt_IMInstantiateCallback()")); 1262static void
1051 if (R->Input_Context) 1263xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1052 return; 1264{
1265 ((rxvt_term *)client_data)->make_current ();
1266 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1267}
1053 1268
1054 found = had_im = 0; 1269static void
1055 p = R->rs[Rs_inputMethod]; 1270xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1056 if (p && *p) { 1271{
1057 had_im = 1; 1272 ((rxvt_term *)client_data)->make_current ();
1058 s = rxvt_splitcommastring(p); 1273 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1059 for (i = 0; s[i]; i++) { 1274}
1060 if (*s[i]) { 1275
1061 STRCPY(buf, "@im="); 1276static void
1062 STRNCAT(buf, s[i], IMBUFSIZ - 5); 1277xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1063 if ((p = XSetLocaleModifiers(buf)) != NULL && *p 1278{
1064 && (rxvt_IM_get_IC(aR) == True)) { 1279 rxvt_term *term = (rxvt_term *)client_data;
1065 found = 1; 1280 XIMText *text = call_data->text;
1066 break; 1281
1067 } 1282 term->make_current ();
1068 } 1283
1284 if (text)
1285 {
1286 void *str;
1287
1288 if (!text->encoding_is_wchar && text->string.multi_byte)
1289 {
1290 // of course, X makes it ugly again
1291 if (term->rs[Rs_imLocale])
1292 SET_LOCALE (term->rs[Rs_imLocale]);
1293
1294 str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
1295 mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
1296
1297 if (term->rs[Rs_imLocale])
1298 SET_LOCALE (term->locale);
1069 } 1299 }
1070 for (i = 0; s[i]; i++) 1300 else
1071 free(s[i]); 1301 str = (void *)text->string.wide_char;
1072 free(s); 1302
1303 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1304 DT_INT, call_data->caret,
1305 DT_INT, call_data->chg_first,
1306 DT_INT, call_data->chg_length,
1307 DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1308 DT_WCS_LEN, str, str ? (int)text->length : 0,
1309 DT_END));
1073 } 1310 }
1074 if (found) 1311 else
1075 return; 1312 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1076 1313 DT_INT, call_data->caret,
1077/* try with XMODIFIERS env. var. */ 1314 DT_INT, call_data->chg_first,
1078 if ((p = XSetLocaleModifiers("")) != NULL && *p) { 1315 DT_INT, call_data->chg_length,
1079 rxvt_IM_get_IC(aR); 1316 DT_END));
1080 return;
1081 }
1082
1083/* try with no modifiers base IF the user didn't specify an IM */
1084 if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p
1085 && rxvt_IM_get_IC(aR) == True)
1086 return;
1087} 1317}
1318
1319#if 0
1320static void
1321xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1322{
1323 ((rxvt_term *)client_data)->make_current ();
1324 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1325 DT_INT, call_data->position,
1326 DT_INT, call_data->direction,
1327 DT_INT, call_data->style,
1328 DT_END));
1329}
1330#endif
1331
1332#endif
1088 1333
1089/* 1334/*
1090 * Try to open a XIM with the current modifiers, then see if we can 1335 * Try to open a XIM with the current modifiers, then see if we can
1091 * open a suitable preedit type 1336 * open a suitable preedit type
1092 */ 1337 */
1093/* INTPROTO */
1094Bool 1338bool
1095rxvt_IM_get_IC(pR) 1339rxvt_term::IM_get_IC (const char *modifiers)
1096{ 1340{
1097 int i, j, found; 1341 int i, j, found;
1098 XIM xim; 1342 XIM xim;
1099 XPoint spot; 1343 XPoint spot;
1100 XRectangle rect, status_rect, needed_rect; 1344 XRectangle rect, status_rect, needed_rect;
1101 unsigned long fg, bg; 1345 unsigned long fg, bg;
1102 const char *p; 1346 const char *p;
1103 char **s; 1347 char **s;
1104 XIMStyles *xim_styles; 1348 XIMStyles *xim_styles;
1105 XVaNestedList preedit_attr, status_attr; 1349#ifdef ENABLE_XIM_ONTHESPOT
1106 XIMCallback ximcallback; 1350 XIMCallback xcb[4];
1351#endif
1107 1352
1108 D_MAIN((stderr, "rxvt_IM_get_IC()")); 1353 set_environ (envv);
1109 xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL); 1354
1110 if (xim == NULL) 1355 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1111 return False; 1356 return false;
1112 1357
1358 input_method = display->get_xim (locale, modifiers);
1359 if (input_method == NULL)
1360 return false;
1361
1362 xim = input_method->xim;
1363 spot.x = spot.y = -1;
1364
1113 xim_styles = NULL; 1365 xim_styles = NULL;
1114 if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL) 1366 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1115 || !xim_styles || !xim_styles->count_styles) { 1367 || !xim_styles || !xim_styles->count_styles)
1116 XCloseIM(xim); 1368 {
1369 im_destroy ();
1117 return False; 1370 return false;
1371 }
1372
1373 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1374
1375 for (int pi = 0; pi < 2; pi++)
1118 } 1376 {
1377 p = pet[pi];
1119 1378
1120 p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType] 1379 if (!p)
1121 : "OverTheSpot,OffTheSpot,Root"; 1380 continue;
1381
1122 s = rxvt_splitcommastring(p); 1382 s = rxvt_splitcommastring (p);
1383
1123 for (i = found = 0; !found && s[i]; i++) { 1384 for (i = found = 0; !found && s[i]; i++)
1385 {
1124 if (!STRCMP(s[i], "OverTheSpot")) 1386 if (!strcmp (s[i], "OverTheSpot"))
1125 R->input_style = (XIMPreeditPosition | XIMStatusNothing); 1387 input_style = XIMPreeditPosition | XIMStatusNothing;
1126 else if (!STRCMP(s[i], "OffTheSpot")) 1388 else if (!strcmp (s[i], "OffTheSpot"))
1127 R->input_style = (XIMPreeditArea | XIMStatusArea); 1389 input_style = XIMPreeditArea | XIMStatusArea;
1128 else if (!STRCMP(s[i], "Root")) 1390 else if (!strcmp (s[i], "Root"))
1129 R->input_style = (XIMPreeditNothing | XIMStatusNothing); 1391 input_style = XIMPreeditNothing | XIMStatusNothing;
1392 else if (!strcmp (s[i], "None"))
1393 input_style = XIMPreeditNone | XIMStatusNone;
1394#ifdef ENABLE_XIM_ONTHESPOT
1395 else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1396 input_style = XIMPreeditCallbacks | XIMStatusNothing;
1397#endif
1398 else
1399 input_style = XIMPreeditNothing | XIMStatusNothing;
1130 1400
1131 for (j = 0; j < xim_styles->count_styles; j++) 1401 for (j = 0; j < xim_styles->count_styles; j++)
1132 if (R->input_style == xim_styles->supported_styles[j]) { 1402 if (input_style == xim_styles->supported_styles[j])
1403 {
1404 rxvt_freecommastring (s);
1405
1133 found = 1; 1406 found = 1;
1407 goto foundpet;
1408 }
1409
1410 }
1411
1412 rxvt_freecommastring (s);
1413 }
1414
1415foundpet:
1416
1417 XFree (xim_styles);
1418
1419 if (!found)
1420 {
1421 im_destroy ();
1422 return false;
1423 }
1424
1425 XFontSet fs = 0;
1426 XVaNestedList preedit_attr = 0, status_attr = 0;
1427
1428 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1429 {
1430 // fake us a font-set, please
1431 char **missing_charset_list;
1432 int missing_charset_count;
1433 char *def_string;
1434 char pat[512];
1435
1436 sprintf (pat,
1437 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1438 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1439 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1440 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1441 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1442 "*",
1443 fheight,
1444 fheight + 1, fheight - 1,
1445 fheight - 2, fheight + 2);
1446
1447 fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1448 &missing_charset_list, &missing_charset_count, &def_string);
1449
1450 if (missing_charset_list)
1451 XFreeStringList (missing_charset_list);
1452
1453 if (!fs)
1454 {
1455 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1456 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1457 }
1458 }
1459
1460 if (input_style & XIMPreeditPosition)
1461 {
1462 im_set_size (rect);
1463 im_set_position (spot);
1464 im_set_color (fg, bg);
1465
1466 preedit_attr = XVaCreateNestedList (0,
1467 XNForeground, fg,
1468 XNBackground, bg,
1469 XNArea, &rect,
1470 XNSpotLocation, &spot,
1471 XNFontSet, fs,
1472 NULL);
1473 }
1474 else if (input_style & XIMPreeditArea)
1475 {
1476 im_set_color (fg, bg);
1477
1478 /*
1479 * The necessary width of preedit area is unknown
1480 * until create input context.
1481 */
1482 needed_rect.width = 0;
1483 im_set_preedit_area (rect, status_rect, needed_rect);
1484
1485 preedit_attr = XVaCreateNestedList (0,
1486 XNForeground, fg,
1487 XNBackground, bg,
1488 XNArea, &rect,
1489 XNFontSet, fs,
1490 NULL);
1491 status_attr = XVaCreateNestedList (0,
1492 XNForeground, fg,
1493 XNBackground, bg,
1494 XNArea, &status_rect,
1495 XNFontSet, fs,
1496 NULL);
1497 }
1498#if ENABLE_XIM_ONTHESPOT
1499 else if (input_style & XIMPreeditCallbacks)
1500 {
1501 im_set_position (spot);
1502
1503 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1504 xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1505 xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1506# if 0
1507 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1508# endif
1509
1510 preedit_attr = XVaCreateNestedList (0,
1511 XNSpotLocation, &spot,
1512 XNPreeditStartCallback, &xcb[0],
1513 XNPreeditDoneCallback , &xcb[1],
1514 XNPreeditDrawCallback , &xcb[2],
1515# if 0
1516 XNPreeditCaretCallback, &xcb[3],
1517# endif
1518 NULL);
1519 }
1520#endif
1521
1522 Input_Context = XCreateIC (xim,
1523 XNInputStyle, input_style,
1524 XNClientWindow, vt,
1525 XNFocusWindow, parent[0],
1526 preedit_attr ? XNPreeditAttributes : NULL,
1527 preedit_attr,
1528 status_attr ? XNStatusAttributes : NULL,
1529 status_attr, NULL);
1530
1531 if (preedit_attr) XFree (preedit_attr);
1532 if (status_attr) XFree (status_attr);
1533 if (fs) XFreeFontSet (dpy, fs);
1534
1535 if (Input_Context == NULL)
1536 {
1537 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1538 im_destroy ();
1539 return false;
1540 }
1541
1542#if 0
1543 // unfortunately, only the focus window is used by XIM, hard to fix
1544 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1545 vt_select_input ();
1546#endif
1547
1548 IMSetPosition ();
1549
1550 return true;
1551}
1552
1553void
1554rxvt_term::im_cb ()
1555{
1556 int i;
1557 const char *p;
1558 char **s;
1559 char buf[IMBUFSIZ];
1560
1561 make_current ();
1562
1563 im_destroy ();
1564
1565 if (Input_Context)
1566 return;
1567
1568#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1569 if (rs[Rs_imLocale])
1570 SET_LOCALE (rs[Rs_imLocale]);
1571#endif
1572
1573 p = rs[Rs_inputMethod];
1574 if (p && *p)
1575 {
1576 bool found = false;
1577
1578 s = rxvt_splitcommastring (p);
1579
1580 for (i = 0; s[i]; i++)
1581 {
1582 if (*s[i])
1583 {
1584 strcpy (buf, "@im=");
1585 strncat (buf, s[i], IMBUFSIZ - 5);
1586 if (IM_get_IC (buf))
1587 {
1588 found = true;
1134 break; 1589 break;
1590 }
1135 } 1591 }
1136 } 1592 }
1137 for (i = 0; s[i]; i++)
1138 free(s[i]);
1139 free(s);
1140 XFree(xim_styles);
1141 1593
1594 rxvt_freecommastring (s);
1595
1142 if (!found) { 1596 if (found)
1143 XCloseIM(xim); 1597 goto done;
1144 return False;
1145 } 1598 }
1146 1599
1147 ximcallback.callback = rxvt_IMDestroyCallback; 1600 /* try with XMODIFIERS env. var. */
1601 if (IM_get_IC (""))
1602 goto done;
1148 1603
1149/* XXX: not sure why we need this (as well as IC one below) */ 1604 /* try with no modifiers base IF the user didn't specify an IM */
1150 XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL); 1605 if (IM_get_IC ("@im=none"))
1606 goto done;
1151 1607
1152 preedit_attr = status_attr = NULL; 1608done:
1153 1609#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1154 if (R->input_style & XIMPreeditPosition) { 1610 if (rs[Rs_imLocale])
1155 rxvt_setSize(aR_ & rect); 1611 SET_LOCALE (locale);
1156 rxvt_setPosition(aR_ & spot); 1612#endif
1157 rxvt_setColor(aR_ & fg, &bg);
1158
1159 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1160 XNSpotLocation, &spot,
1161 XNForeground, fg, XNBackground, bg,
1162 //XNFontSet, R->TermWin.fontset,
1163 NULL);
1164 } else if (R->input_style & XIMPreeditArea) {
1165 rxvt_setColor(aR_ & fg, &bg);
1166
1167 /*
1168 * The necessary width of preedit area is unknown
1169 * until create input context.
1170 */
1171 needed_rect.width = 0;
1172
1173 rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1174
1175 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1176 XNForeground, fg, XNBackground, bg,
1177 //XNFontSet, R->TermWin.fontset,
1178 NULL);
1179 status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1180 XNForeground, fg, XNBackground, bg,
1181 //XNFontSet, R->TermWin.fontset,
1182 NULL);
1183 }
1184 R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1185 XNClientWindow, R->TermWin.parent[0],
1186 XNFocusWindow, R->TermWin.parent[0],
1187 XNDestroyCallback, &ximcallback,
1188 preedit_attr ? XNPreeditAttributes : NULL,
1189 preedit_attr,
1190 status_attr ? XNStatusAttributes : NULL,
1191 status_attr, NULL);
1192 if (preedit_attr)
1193 XFree(preedit_attr);
1194 if (status_attr)
1195 XFree(status_attr);
1196 if (R->Input_Context == NULL) {
1197 rxvt_print_error("failed to create input context");
1198 XCloseIM(xim);
1199 return False;
1200 }
1201 if (R->input_style & XIMPreeditArea)
1202 rxvt_IMSetStatusPosition(aR);
1203 D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1204 return True;
1205} 1613}
1206 1614
1207/* EXTPROTO */
1208void 1615void
1209rxvt_IMSetStatusPosition(pR) 1616rxvt_term::IMSetPosition ()
1210{ 1617{
1211 XRectangle preedit_rect, status_rect, *needed_rect; 1618 XRectangle preedit_rect, status_rect, *needed_rect;
1212 XVaNestedList preedit_attr, status_attr; 1619 XVaNestedList preedit_attr, status_attr;
1213 1620
1214 if (R->Input_Context == NULL 1621 if (!Input_Context
1215 || !R->TermWin.focus || !(R->input_style & XIMPreeditArea) 1622 || !focus
1623 || !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1216 || !rxvt_IMisRunning(aR)) 1624 || !IMisRunning ())
1217 return; 1625 return;
1218 1626
1627 if (input_style & XIMPreeditPosition)
1628 {
1629 im_set_size (preedit_rect);
1630 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1631
1632 XSetICValues (Input_Context,
1633 XNPreeditAttributes, preedit_attr, NULL);
1634 }
1635 else
1636 {
1219/* Getting the necessary width of preedit area */ 1637 /* Getting the necessary width of preedit area */
1220 status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL); 1638 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1221 XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL); 1639 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1222 XFree(status_attr); 1640 XFree (status_attr);
1223 1641
1224 rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect); 1642 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1643 XFree (needed_rect);
1225 1644
1226 preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL); 1645 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1227 status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL); 1646 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1228 1647
1229 XSetICValues(R->Input_Context, 1648 XSetICValues (Input_Context,
1230 XNPreeditAttributes, preedit_attr, 1649 XNPreeditAttributes, preedit_attr,
1231 XNStatusAttributes, status_attr, NULL); 1650 XNStatusAttributes, status_attr,
1651 NULL);
1232 1652
1653 XFree (status_attr);
1654 }
1655
1233 XFree(preedit_attr); 1656 XFree (preedit_attr);
1234 XFree(status_attr);
1235} 1657}
1236#endif /* USE_XIM */ 1658#endif /* USE_XIM */
1237 1659
1238/*----------------------------------------------------------------------*/
1239rxvt_t rxvt_current_term;
1240
1241/*----------------------- end-of-file (C source) -----------------------*/ 1660/*----------------------- end-of-file (C source) -----------------------*/

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