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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.13 by pcg, Wed Dec 17 09:00:35 2003 UTC vs.
Revision 1.208 by root, Mon Jan 30 19:46:13 2006 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*--------------------------------*-C-*---------------------------------*
2 * File: main.c 2 * File: main.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: main.C,v 1.13 2003/12/17 09:00:35 pcg Exp $
5 * 4 *
6 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
7 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk> 6 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8 * - original version 7 * - original version
9 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com> 8 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
… …
12 * Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA> 11 * Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13 * - extensive modifications 12 * - extensive modifications
14 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> 13 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> 14 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16 * - extensive modifications 15 * - extensive modifications
16 * Copyright (c) 2003-2006 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
47void * 69void
48rxvt_term::operator new (size_t s) 70rxvt_push_locale (const char *locale) NOTHROW
49{ 71{
50 void *p = malloc (s); 72 strcpy (savelocale, curlocale);
73 rxvt_set_locale (locale);
74}
51 75
52 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
53 return p; 141 return len;
54}
55 142
56void
57rxvt_term::operator delete (void *p, size_t s)
58{
59 free (p);
60} 143}
144#endif
61 145
62rxvt_term::rxvt_term () 146rxvt_term::rxvt_term ()
63: pty_ev (this, &rxvt_term::pty_cb), 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
64#ifdef CURSOR_BLINK 154#ifdef CURSOR_BLINK
155 cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
156#endif
157#ifdef TEXT_BLINK
65 blink_ev (this, &rxvt_term::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),
66#endif 168#endif
67#ifdef POINTER_BLANK 169#ifdef POINTER_BLANK
68 pointer_ev (this, &rxvt_term::pointer_cb), 170 pointer_ev (this, &rxvt_term::pointer_cb),
69#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),
70 x_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),
71 destroy_ev (this, &rxvt_term::destroy_cb), 183 destroy_ev (this, &rxvt_term::destroy_cb),
72 check_ev (this, &rxvt_term::check_cb), 184 pty_ev (this, &rxvt_term::pty_cb),
73 incr_ev (this, &rxvt_term::incr_cb) 185 incr_ev (this, &rxvt_term::incr_cb)
74{ 186{
75 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;
76} 204}
77 205
78rxvt_term::~rxvt_term () 206rxvt_term::~rxvt_term ()
79{ 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
80 scr_release (); 268 scr_release ();
81 269
82#ifndef NO_SETOWNER_TTYDEV 270 /* clear all resources */
83 rxvt_privileged_ttydev (this, RESTORE); 271 for (int i = 0; i < allocated.size (); i++)
84#endif 272 free (allocated [i]);
85#ifdef UTMP_SUPPORT
86 rxvt_privileged_utmp (this, RESTORE);
87#endif
88#ifdef USE_XIM
89 if (Input_Context != NULL)
90 {
91 XDestroyIC (Input_Context);
92 Input_Context = NULL;
93 }
94#endif
95 273
96 if (cmd_fd >= 0) 274 free (selection.text);
97 close (cmd_fd); 275 // TODO: manage env vars in child only(!)
276 free (env_display);
277 free (env_term);
278 free (locale);
279 free (v_buffer);
280 free (incr_buf);
98 281
99 if (Xfd >= 0) 282 delete envv;
100 XCloseDisplay (Xdisplay); 283 delete argv;
101 284
102 delete PixColors; 285#ifdef KEYSYM_RESOURCE
286 delete keyboard;
287#endif
288}
289
290// child has exited, usually destroys
291void
292rxvt_term::child_cb (child_watcher &w, int status)
293{
294 HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
295
296 cmd_pid = 0;
297
298 if (!OPTION (Opt_hold))
299 destroy ();
103} 300}
104 301
105void 302void
106rxvt_term::destroy () 303rxvt_term::destroy ()
107{ 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
108 check_ev.stop (); 330 check_ev.stop ();
109 pty_ev.stop (); 331 pty_ev.stop ();
110 x_ev.stop ();
111#ifdef CURSOR_BLINK 332#ifdef CURSOR_BLINK
333 cursor_blink_ev.stop ();
334#endif
335#ifdef TEXT_BLINK
112 blink_ev.stop (); 336 text_blink_ev.stop ();
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 ();
113#endif 343#endif
114#ifdef POINTER_BLANK 344#ifdef POINTER_BLANK
115 pointer_ev.stop (); 345 pointer_ev.stop ();
116#endif 346#endif
117 347
… …
119} 349}
120 350
121void 351void
122rxvt_term::destroy_cb (time_watcher &w) 352rxvt_term::destroy_cb (time_watcher &w)
123{ 353{
124 SET_R (this); 354 make_current ();
125 355
126 delete this; 356 delete this;
127}
128
129/*----------------------------------------------------------------------*/
130/* rxvt_init() */
131/* LIBPROTO */
132rxvt_t
133rxvt_init (int argc, const char *const *argv)
134{
135 SET_R (new rxvt_term);
136 dR;
137
138 if (!R->init_vars () || !R->init (argc, argv))
139 {
140 delete R;
141 return NULL;
142 }
143
144 return R;
145}
146
147/* EXTPROTO */
148void
149rxvt_init_signals ()
150{
151/* install exit handler for cleanup */
152#if 0
153#ifdef HAVE_ATEXIT
154 atexit(rxvt_clean_exit);
155#else
156#endif
157#endif
158
159 struct sigaction sa;
160
161 sigfillset (&sa.sa_mask);
162 sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
163 sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
164 sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
165 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
166 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
167 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
168 sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
169
170/* need to trap SIGURG for SVR4 (Unixware) rlogin */
171/* signal (SIGURG, SIG_DFL); */
172
173 XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
174 //XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
175}
176
177bool
178rxvt_term::init (int argc, const char *const *argv)
179{
180 dR;//TODO (scrollbar, setidle)
181
182 /*
183 * Save and then give up any super-user privileges
184 * If we need privileges in any area then we must specifically request it.
185 * We should only need to be root in these cases:
186 * 1. write utmp entries on some systems
187 * 2. chown tty on some systems
188 */
189 rxvt_privileges (this, SAVE);
190 rxvt_privileges (this, IGNORE);
191
192 rxvt_init_secondary (this);
193
194 const char **cmd_argv = rxvt_init_resources (this, argc, argv);
195
196#if (MENUBAR_MAX)
197 rxvt_menubar_read (this, rs[Rs_menu]);
198#endif
199#ifdef HAVE_SCROLLBARS
200 if (Options & Opt_scrollBar)
201 scrollbar_setIdle (); /* set existence for size calculations */
202#endif
203
204 rxvt_Create_Windows (this, argc, argv);
205
206 rxvt_init_xlocale (this);
207
208 scr_reset (); /* initialize screen */
209#ifdef RXVT_GRAPHICS
210 rxvt_Gr_reset (this); /* reset graphics */
211#endif
212
213#if 0
214#ifdef DEBUG_X
215 XSynchronize(Xdisplay, True);
216#endif
217#endif
218
219#ifdef HAVE_SCROLLBARS
220 if (Options & Opt_scrollBar)
221 rxvt_Resize_scrollBar (this); /* create and map scrollbar */
222#endif
223#if (MENUBAR_MAX)
224 if (menubar_visible(r))
225 XMapWindow (Xdisplay, menuBar.win);
226#endif
227#ifdef TRANSPARENT
228 if (Options & Opt_transparent)
229 {
230 XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
231 rxvt_check_our_parents (this);
232 }
233#endif
234 XMapWindow (Xdisplay, TermWin.vt);
235 XMapWindow (Xdisplay, TermWin.parent[0]);
236
237 rxvt_init_env (this);
238 rxvt_init_command (this, cmd_argv);
239
240 x_ev.start (Xfd, EVENT_READ);
241 pty_ev.start (cmd_fd, EVENT_READ);
242
243 check_ev.start ();
244
245 process_x_events ();
246
247 return true;
248}
249
250/* ------------------------------------------------------------------------- *
251 * SIGNAL HANDLING & EXIT HANDLER *
252 * ------------------------------------------------------------------------- */
253/*
254 * Catch a SIGCHLD signal and exit if the direct child has died
255 */
256/* ARGSUSED */
257/* EXTPROTO */
258RETSIGTYPE
259rxvt_Child_signal(int sig __attribute__ ((unused)))
260{
261 int pid, save_errno = errno;
262 while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
263 ;
264 errno = save_errno;
265
266#if 0
267 if (pid == R->cmd_pid)
268 exit (EXIT_SUCCESS);
269#endif
270}
271
272/*
273 * Catch a fatal signal and tidy up before quitting
274 */
275/* EXTPROTO */
276RETSIGTYPE
277rxvt_Exit_signal(int sig)
278{
279 signal(sig, SIG_DFL);
280#ifdef DEBUG_CMD
281 rxvt_print_error("signal %d", sig);
282#endif
283 rxvt_clean_exit();
284 kill(getpid(), sig);
285}
286
287/* ARGSUSED */
288/* INTPROTO */
289int
290rxvt_xerror_handler(const Display * display
291 __attribute__ ((unused)), const XErrorEvent * event)
292{
293 dR;
294
295 if (R->allowedxerror == -1)
296 R->allowedxerror = event->error_code;
297 else
298 {
299 rxvt_print_error("XError: Request: %d . %d, Error: %d",
300 event->request_code, event->minor_code,
301 event->error_code);
302
303 R->destroy ();
304 }
305
306 return 0;
307} 357}
308 358
309/*----------------------------------------------------------------------*/ 359/*----------------------------------------------------------------------*/
310/* 360/*
311 * Exit gracefully, clearing the utmp entry and restoring tty attributes 361 * Exit gracefully, clearing the utmp entry and restoring tty attributes
312 * 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
313 */ 363 */
314/* 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_FRILLS
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_FRILLS
432 print_x_error (display, event);
433#else
434 old_xerror_handler (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 */
315void 537 void
316rxvt_clean_exit () 538 sig_term (sig_watcher &w)
317{ 539 {
318 dR; 540 rxvt_emergency_cleanup ();
541 signal (w.signum, SIG_DFL);
542 kill (getpid (), w.signum);
543 }
319 544
320 R->destroy (); 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 ()
556{
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 ();
321} 575}
322 576
323/* ------------------------------------------------------------------------- * 577/* ------------------------------------------------------------------------- *
324 * MEMORY ALLOCATION WRAPPERS * 578 * MEMORY ALLOCATION WRAPPERS *
325 * ------------------------------------------------------------------------- */ 579 * ------------------------------------------------------------------------- */
326/* EXTPROTO */ 580void *
327void *
328rxvt_malloc(size_t size) 581rxvt_malloc (size_t size)
329{ 582{
330 void *p;
331
332 p = malloc(size); 583 void *p = malloc (size);
584
333 if (p) 585 if (!p)
586 rxvt_fatal ("memory allocation failure. aborting.\n");
587
334 return p; 588 return p;
335
336 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
337 rxvt_clean_exit();
338 exit(EXIT_FAILURE);
339/* NOTREACHED */
340} 589}
341 590
342/* EXTPROTO */ 591void *
343void *
344rxvt_calloc(size_t number, size_t size) 592rxvt_calloc (size_t number, size_t size)
345{ 593{
346 void *p;
347
348 p = calloc(number, size); 594 void *p = calloc (number, size);
595
349 if (p) 596 if (!p)
597 rxvt_fatal ("memory allocation failure. aborting.\n");
598
350 return p; 599 return p;
351
352 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
353 rxvt_clean_exit();
354 exit(EXIT_FAILURE);
355/* NOTREACHED */
356} 600}
357 601
358/* EXTPROTO */ 602void *
359void *
360rxvt_realloc(void *ptr, size_t size) 603rxvt_realloc (void *ptr, size_t size)
361{ 604{
362 void *p;
363
364 if (ptr)
365 p = realloc(ptr, size); 605 void *p = realloc (ptr, size);
366 else 606
367 p = malloc(size);
368 if (p) 607 if (!p)
608 rxvt_fatal ("memory allocation failure. aborting.\n");
609
369 return p; 610 return p;
370
371 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
372 rxvt_clean_exit();
373 exit(EXIT_FAILURE);
374/* NOTREACHED */
375} 611}
376
377/* ------------------------------------------------------------------------- *
378 * PRIVILEGED OPERATIONS *
379 * ------------------------------------------------------------------------- */
380/* take care of suid/sgid super-user (root) privileges */
381/* INTPROTO */
382void
383rxvt_privileges(pR_ int mode)
384{
385#if ! defined(__CYGWIN32__)
386# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
387/* setreuid() is the poor man's setuid(), seteuid() */
388# define seteuid(a) setreuid(-1, (a))
389# define setegid(a) setregid(-1, (a))
390# define HAVE_SETEUID
391# endif
392# ifdef HAVE_SETEUID
393 switch (mode) {
394 case IGNORE:
395 /*
396 * change effective uid/gid - not real uid/gid - so we can switch
397 * back to root later, as required
398 */
399 seteuid(getuid());
400 setegid(getgid());
401 break;
402 case SAVE:
403 R->euid = geteuid();
404 R->egid = getegid();
405 break;
406 case RESTORE:
407 seteuid(R->euid);
408 setegid(R->egid);
409 break;
410 }
411# else
412 switch (mode) {
413 case IGNORE:
414 setuid(getuid());
415 setgid(getgid());
416 /* FALLTHROUGH */
417 case SAVE:
418 /* FALLTHROUGH */
419 case RESTORE:
420 break;
421 }
422# endif
423#endif
424}
425
426#ifdef UTMP_SUPPORT
427/* EXTPROTO */
428void
429rxvt_privileged_utmp(pR_ char action)
430{
431 D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
432 action, R->next_utmp_action, getpid()));
433 if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
434 || (R->Options & Opt_utmpInhibit)
435 || R->ttydev == NULL || *R->ttydev == '\0')
436 return;
437
438 rxvt_privileges(aR_ RESTORE);
439 if (action == SAVE) {
440 R->next_utmp_action = RESTORE;
441 rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
442 } else { /* action == RESTORE */
443 R->next_utmp_action = IGNORE;
444 rxvt_cleanutent(aR);
445 }
446 rxvt_privileges(aR_ IGNORE);
447}
448#endif
449
450#ifndef NO_SETOWNER_TTYDEV
451/* EXTPROTO */
452void
453rxvt_privileged_ttydev(pR_ char action)
454{
455 D_MAIN((stderr,
456 "rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
457 action, R->next_tty_action, getpid()));
458 if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
459 || R->ttydev == NULL || *R->ttydev == '\0')
460 return;
461
462 rxvt_privileges(aR_ RESTORE);
463
464 if (action == SAVE) {
465 R->next_tty_action = RESTORE;
466# ifndef RESET_TTY_TO_COMMON_DEFAULTS
467/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
468 if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
469 R->next_tty_action = IGNORE;
470 else
471# endif
472 {
473 chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
474 chmod(R->ttydev, R->ttymode);
475# ifdef HAVE_REVOKE
476 revoke(R->ttydev);
477# endif
478 }
479 } else { /* action == RESTORE */
480 R->next_tty_action = IGNORE;
481# ifndef RESET_TTY_TO_COMMON_DEFAULTS
482 chmod(R->ttydev, R->ttyfd_stat.st_mode);
483 chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
484# else
485 chmod(R->ttydev,
486 (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
487 chown(R->ttydev, 0, 0);
488# endif
489 }
490
491 rxvt_privileges(aR_ IGNORE);
492
493# ifndef RESET_TTY_TO_COMMON_DEFAULTS
494 D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
495 action == RESTORE ? "Restoring" : (action ==
496 SAVE ? "Saving" :
497 "UNKNOWN ERROR for"), R->ttydev,
498 R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
499 R->ttyfd_stat.st_gid));
500# endif
501}
502#endif
503 612
504/*----------------------------------------------------------------------*/ 613/*----------------------------------------------------------------------*/
505/* 614/*
506 * window size/position calculcations for XSizeHint and other storage. 615 * window size/position calculcations for XSizeHint and other storage.
507 * if width/height are non-zero then override calculated width/height 616 * if width/height are non-zero then override calculated width/height
508 */ 617 */
509/* EXTPROTO */
510void 618void
511rxvt_window_calc(pR_ unsigned int width, unsigned int height) 619rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
512{ 620{
513 short recalc_x, recalc_y; 621 short recalc_x, recalc_y;
514 int x, y, sb_w, mb_h, flags; 622 int x, y, sb_w, flags;
515 unsigned int w, h; 623 unsigned int w, h;
516 unsigned int max_width, max_height; 624 unsigned int max_width, max_height;
517 625
518 D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
519 R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
520 R->szHint.height));
521 R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; 626 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
522 R->szHint.win_gravity = NorthWestGravity; 627 szHint.win_gravity = NorthWestGravity;
523/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */ 628 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
524 629
525 recalc_x = recalc_y = 0; 630 recalc_x = recalc_y = 0;
526 flags = 0; 631 flags = 0;
632
527 if (!R->parsed_geometry) { 633 if (!parsed_geometry)
634 {
528 R->parsed_geometry = 1; 635 parsed_geometry = 1;
636
529 if (R->rs[Rs_geometry]) 637 if (rs[Rs_geometry])
530 flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h); 638 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
639
531 if (flags & WidthValue) { 640 if (flags & WidthValue)
532 R->TermWin.ncol = BOUND_POSITIVE_INT16(w); 641 {
642 ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
533 R->szHint.flags |= USSize; 643 szHint.flags |= USSize;
534 } 644 }
645
535 if (flags & HeightValue) { 646 if (flags & HeightValue)
536 R->TermWin.nrow = BOUND_POSITIVE_INT16(h); 647 {
648 nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
537 R->szHint.flags |= USSize; 649 szHint.flags |= USSize;
538 } 650 }
651
539 if (flags & XValue) { 652 if (flags & XValue)
653 {
540 R->szHint.x = x; 654 szHint.x = x;
541 R->szHint.flags |= USPosition; 655 szHint.flags |= USPosition;
656
542 if (flags & XNegative) { 657 if (flags & XNegative)
658 {
543 recalc_x = 1; 659 recalc_x = 1;
544 R->szHint.win_gravity = NorthEastGravity; 660 szHint.win_gravity = NorthEastGravity;
545 } 661 }
546 } 662 }
663
547 if (flags & YValue) { 664 if (flags & YValue)
665 {
548 R->szHint.y = y; 666 szHint.y = y;
549 R->szHint.flags |= USPosition; 667 szHint.flags |= USPosition;
668
550 if (flags & YNegative) { 669 if (flags & YNegative)
670 {
551 recalc_y = 1; 671 recalc_y = 1;
672
552 if (R->szHint.win_gravity == NorthEastGravity) 673 if (szHint.win_gravity == NorthEastGravity)
553 R->szHint.win_gravity = SouthEastGravity; 674 szHint.win_gravity = SouthEastGravity;
554 else 675 else
555 R->szHint.win_gravity = SouthWestGravity; 676 szHint.win_gravity = SouthWestGravity;
556 } 677 }
557 } 678 }
558 } 679 }
680
559/* TODO: BOUNDS */ 681 /* TODO: BOUNDS */
560 R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth; 682 width = ncol * fwidth;
561 R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight; 683 height = nrow * fheight;
562 max_width = MAX_COLS * R->TermWin.fwidth; 684 max_width = MAX_COLS * fwidth;
563 max_height = MAX_ROWS * R->TermWin.fheight; 685 max_height = MAX_ROWS * fheight;
564 686
565 R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth; 687 szHint.base_width = szHint.base_height = 2 * int_bwidth;
566 688
567 sb_w = mb_h = 0; 689 sb_w = 0;
568 R->window_vt_x = R->window_vt_y = 0; 690 window_vt_x = window_vt_y = int_bwidth;
569 if (scrollbar_visible(R)) { 691
692 if (scrollBar.state)
693 {
570 sb_w = scrollbar_TotalWidth(); 694 sb_w = scrollbar_TotalWidth ();
571 R->szHint.base_width += sb_w; 695 szHint.base_width += sb_w;
572 if (!(R->Options & Opt_scrollBar_right)) 696 if (!OPTION (Opt_scrollBar_right))
573 R->window_vt_x = sb_w; 697 window_vt_x += sb_w;
574 } 698 }
575 if (menubar_visible(R)) { 699
576 mb_h = menuBar_TotalHeight();
577 R->szHint.base_height += mb_h;
578 R->window_vt_y = mb_h;
579 }
580 R->szHint.width_inc = R->TermWin.fwidth; 700 szHint.width_inc = fwidth;
581 R->szHint.height_inc = R->TermWin.fheight; 701 szHint.height_inc = fheight;
582 R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc; 702 szHint.min_width = szHint.base_width + szHint.width_inc;
583 R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc; 703 szHint.min_height = szHint.base_height + szHint.height_inc;
584 704
585 if (width && width - R->szHint.base_width < max_width) { 705 if (newwidth && newwidth - szHint.base_width < max_width)
706 {
586 R->szHint.width = width; 707 szHint.width = newwidth;
587 R->TermWin.width = width - R->szHint.base_width; 708 width = newwidth - szHint.base_width;
588 } else { 709 }
589 MIN_IT(R->TermWin.width, max_width); 710 else
711 {
712 min_it (width, max_width);
590 R->szHint.width = R->szHint.base_width + R->TermWin.width; 713 szHint.width = szHint.base_width + width;
591 } 714 }
715
592 if (height && height - R->szHint.base_height < max_height) { 716 if (newheight && newheight - szHint.base_height < max_height)
717 {
593 R->szHint.height = height; 718 szHint.height = newheight;
594 R->TermWin.height = height - R->szHint.base_height; 719 height = newheight - szHint.base_height;
595 } else { 720 }
596 MIN_IT(R->TermWin.height, max_height); 721 else
722 {
723 min_it (height, max_height);
597 R->szHint.height = R->szHint.base_height + R->TermWin.height; 724 szHint.height = szHint.base_height + height;
598 } 725 }
599 if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right)) 726
727 if (scrollBar.state && OPTION (Opt_scrollBar_right))
600 R->window_sb_x = R->szHint.width - sb_w; 728 window_sb_x = szHint.width - sb_w;
601 729
602 if (recalc_x) 730 if (recalc_x)
603 R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen) 731 szHint.x += DisplayWidth (xdisp, display->screen) - szHint.width - 2 * ext_bwidth;
604 - R->szHint.width - 2 * R->TermWin.ext_bwidth); 732
605 if (recalc_y) 733 if (recalc_y)
606 R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen) 734 szHint.y += DisplayHeight (xdisp, display->screen) - szHint.height - 2 * ext_bwidth;
607 - R->szHint.height - 2 * R->TermWin.ext_bwidth);
608 735
609 R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth; 736 ncol = width / fwidth;
610 R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight; 737 nrow = height / fheight;
611 D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
612 R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
613 R->szHint.height));
614 return;
615} 738}
616 739
617/*----------------------------------------------------------------------*/ 740/*----------------------------------------------------------------------*/
618/* 741/*
619 * Tell the teletype handler what size the window is. 742 * Tell the teletype handler what size the window is.
620 * Called after a window size change. 743 * Called after a window size change.
621 */ 744 */
622void 745void
623rxvt_term::tt_winch () 746rxvt_term::tt_winch ()
624{ 747{
625 struct winsize ws; 748 if (pty->pty < 0)
626
627 if (cmd_fd < 0)
628 return; 749 return;
629 750
751 struct winsize ws;
752
630 ws.ws_col = TermWin.ncol; 753 ws.ws_col = ncol;
631 ws.ws_row = TermWin.nrow; 754 ws.ws_row = nrow;
632 ws.ws_xpixel = ws.ws_ypixel = 0; 755 ws.ws_xpixel = width;
633#ifndef DEBUG_SIZE 756 ws.ws_ypixel = height;
634 (void)ioctl (cmd_fd, TIOCSWINSZ, &ws); 757 (void)ioctl (pty->pty, TIOCSWINSZ, &ws);
635#else 758
636 if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0) 759#if 0
637 D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd)); 760 // TIOCSWINSZ⎈ is supposed to do this automatically and correctly
638# ifdef SIGWINCH
639 else if (cmd_pid) /* force through to the command */ 761 if (cmd_pid) /* force through to the command */
640 kill (cmd_pid, SIGWINCH); 762 kill (-cmd_pid, SIGWINCH);
641# endif
642#endif 763#endif
643} 764}
644 765
645/*----------------------------------------------------------------------*/ 766/*----------------------------------------------------------------------*/
646/* rxvt_change_font() - Switch to a new font */ 767/* set_fonts () - load and set the various fonts
647/* 768 *
648 * init = 1 - initialize 769 * init = 1 - initialize
649 * 770 *
650 * fontname == FONT_UP - switch to bigger font 771 * fontname == FONT_UP - switch to bigger font
651 * fontname == FONT_DN - switch to smaller font 772 * fontname == FONT_DN - switch to smaller font
652 */ 773 */
653/* EXTPROTO */ 774bool
654void 775rxvt_term::set_fonts ()
655rxvt_change_font(pR_ int init, const char *fontname)
656{ 776{
657} 777 rxvt_fontset *fs = new rxvt_fontset (this);
778 rxvt_fontprop prop;
658 779
659/* INTPROTO */ 780 if (!fs
660void 781 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
661rxvt_font_up_down(pR_ int n, int direction) 782 || !fs->realize_font (1))
783 {
784 delete fs;
785 return false;
786 }
787
788#if ENABLE_STYLES
789 for (int i = RS_styleCount; --i; )
790 if (fontset[i] != fontset[0])
791 delete fontset[i];
792#endif
793
794 delete fontset[0];
795 fontset[0] = fs;
796
797 prop = (*fs)[1]->properties ();
798 prop.height += lineSpace;
799 fs->set_prop (prop);
800
801 fwidth = prop.width;
802 fheight = prop.height;
803 fbase = prop.ascent;
804
805 for (int style = 1; style < 4; style++)
806 {
807#if ENABLE_STYLES
808 const char *res = rs[Rs_font + style];
809
810 if (res && !*res)
811 fontset[style] = fontset[0];
812 else
813 {
814 fontset[style] = fs = new rxvt_fontset (this);
815 rxvt_fontprop prop2 = prop;
816
817 if (res)
818 prop2.weight = prop2.slant = rxvt_fontprop::unset;
819 else
820 {
821 res = fontset[0]->fontdesc;
822
823 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
824 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
825 }
826
827 fs->populate (res);
828 fs->set_prop (prop2);
829 }
830#else
831 fontset[style] = fontset[0];
832#endif
833 }
834
835 if (parent[0])
836 {
837 resize_all_windows (0, 0, 0);
838 scr_remap_chars ();
839 scr_touch (true);
840 }
841
842 return true;
843}
844
845void rxvt_term::set_string_property (Atom prop, const char *str, int len)
662{ 846{
847 XChangeProperty (xdisp, parent[0],
848 prop, XA_STRING, 8, PropModeReplace,
849 (const unsigned char *)str, len >= 0 ? len : strlen (str));
850}
851
852void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
853{
854 wchar_t *ws = rxvt_mbstowcs (str, len);
855 char *s = rxvt_wcstoutf8 (ws);
856
857 XChangeProperty (xdisp, parent[0],
858 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
859 (const unsigned char *)s, strlen (s));
860
861 free (s);
862 free (ws);
663} 863}
664 864
665/*----------------------------------------------------------------------*/ 865/*----------------------------------------------------------------------*/
666/*----------------------------------------------------------------------*/ 866/*----------------------------------------------------------------------*/
667/* xterm sequences - title, iconName, color (exptl) */ 867/* xterm sequences - title, iconName, color (exptl) */
668/* EXTPROTO */
669void 868void
670rxvt_set_title(pR_ const char *str) 869rxvt_term::set_title (const char *str)
671{ 870{
672#ifndef SMART_WINDOW_TITLE 871 set_string_property (XA_WM_NAME, str);
673 XStoreName(R->Xdisplay, R->TermWin.parent[0], str); 872#if ENABLE_EWMH
873 set_utf8_property (xa[XA_NET_WM_NAME], str);
874#endif
875}
876
877void
878rxvt_term::set_icon_name (const char *str)
879{
880 set_string_property (XA_WM_ICON_NAME, str);
881#if ENABLE_EWMH
882 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
883#endif
884}
885
886#ifdef XTERM_COLOR_CHANGE
887void
888rxvt_term::set_window_color (int idx, const char *color)
889{
890 rxvt_color xcol;
891 int i;
892
893 if (color == NULL || *color == '\0')
894 return;
895
896 /* handle color aliases */
897 if (isdigit (*color))
898 {
899 i = atoi (color);
900
901 if (i >= 8 && i <= 15)
902 { /* bright colors */
903 i -= 8;
904 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
905 SET_PIXCOLOR (idx);
906 goto done;
907 }
908
909 if (i >= 0 && i <= 7)
910 { /* normal colors */
911 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
912 SET_PIXCOLOR (idx);
913 goto done;
914 }
915 }
916
917 if (!set_color (xcol, color))
918 return;
919
920 /* XStoreColor (xdisp, display->cmap, XColor*); */
921
922 /*
923 * FIXME: should free colors here, but no idea how to do it so instead,
924 * so just keep gobbling up the colormap
925 */
926# if 0
927 for (i = Color_Black; i <= Color_White; i++)
928 if (pix_colors[idx] == pix_colors[i])
929 break;
930 if (i > Color_White)
931 {
932 /* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
933 XFreeColors (xdisp, display->cmap, (pix_colors + idx), 1,
934 DisplayPlanes (xdisp, display->screen));
935 }
936# endif
937
938 pix_colors_focused[idx] = xcol;
939 SET_PIXCOLOR (idx);
940
941 /* XSetWindowAttributes attr; */
942 /* Cursor cursor; */
943done:
944
945#if OFF_FOCUS_FADING
946 if (rs[Rs_fade])
947 pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (this, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
948#endif
949
950 /*TODO: handle Color_BD, scrollbar background, etc. */
951
952 recolour_cursor ();
953 scr_recolour ();
954}
955
674#else 956#else
675 char *name;
676
677 if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
678 name = NULL;
679 if (name == NULL || STRCMP(name, str))
680 XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
681 if (name)
682 XFree(name);
683#endif
684}
685
686/* EXTPROTO */
687void
688rxvt_set_iconName(pR_ const char *str)
689{
690#ifndef SMART_WINDOW_TITLE
691 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
692#else
693 char *name;
694
695 if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
696 name = NULL;
697 if (name == NULL || STRCMP(name, str))
698 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
699 if (name)
700 XFree(name);
701#endif
702}
703
704#ifdef XTERM_COLOR_CHANGE
705/* EXTPROTO */
706void
707rxvt_set_window_color(pR_ int idx, const char *color)
708{
709 rxvt_color xcol;
710 int i;
711
712 if (color == NULL || *color == '\0')
713 return;
714
715/* handle color aliases */
716 if (isdigit(*color)) {
717 i = atoi(color);
718 if (i >= 8 && i <= 15) { /* bright colors */
719 i -= 8;
720# ifndef NO_BRIGHTCOLOR
721 R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
722 SET_PIXCOLOR(R, idx);
723 goto Done;
724# endif
725 }
726 if (i >= 0 && i <= 7) { /* normal colors */
727 R->PixColors[idx] = R->PixColors[minCOLOR + i];
728 SET_PIXCOLOR(R, idx);
729 goto Done;
730 }
731 }
732 if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
733 return;
734/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
735
736/*
737 * FIXME: should free colors here, but no idea how to do it so instead,
738 * so just keep gobbling up the colormap
739 */
740# if 0
741 for (i = Color_Black; i <= Color_White; i++)
742 if (R->PixColors[idx] == R->PixColors[i])
743 break;
744 if (i > Color_White) {
745 /* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
746 XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
747 DisplayPlanes(R->Xdisplay, Xscreen));
748 }
749# endif
750
751 R->PixColors[idx] = xcol;
752 SET_PIXCOLOR(R, idx);
753
754/* XSetWindowAttributes attr; */
755/* Cursor cursor; */
756 Done:
757 if (idx == Color_bg && !(R->Options & Opt_transparent))
758 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
759 R->PixColors[Color_bg]);
760
761/* handle Color_BD, scrollbar background, etc. */
762
763 rxvt_set_colorfgbg(aR);
764 rxvt_recolour_cursor(aR);
765/* the only reasonable way to enforce a clean update */
766 rxvt_scr_poweron(aR);
767}
768
769#else
770# define rxvt_set_window_color(aR_ idx,color) ((void)0) 957# define set_window_color (idx,color) ((void)0)
771#endif /* XTERM_COLOR_CHANGE */ 958#endif /* XTERM_COLOR_CHANGE */
772 959
773/* EXTPROTO */
774void 960void
775rxvt_recolour_cursor(pR) 961rxvt_term::recolour_cursor ()
776{ 962{
777 rxvt_color xcol[2]; 963 XColor xcol[2];
778 964
779#if TODO 965 xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
780 xcol[0] = R->PixColors[Color_pointer]; 966 ? pix_colors_focused[Color_pointer_fg]
781 xcol[1] = R->PixColors[Color_bg]; 967 : pix_colors_focused[Color_fg];
782 XQueryColors(R->Xdisplay, XCMAP, xcol, 2); 968 xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
969 ? pix_colors_focused[Color_pointer_bg]
970 : pix_colors_focused[Color_bg];
971
972 XQueryColors (xdisp, cmap, xcol, 2);
783 XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1])); 973 XRecolorCursor (xdisp, TermWin_cursor, xcol + 0, xcol + 1);
784#endif
785} 974}
786 975
787/*----------------------------------------------------------------------*/ 976/*----------------------------------------------------------------------*/
788/* 977/*
789 * find if fg/bg matches any of the normal (low-intensity) colors 978 * find if fg/bg matches any of the normal (low-intensity) colors
790 */ 979 */
791/* INTPROTO */
792void 980void
793rxvt_set_colorfgbg(pR) 981rxvt_term::set_colorfgbg ()
794{ 982{
795 unsigned int i; 983 unsigned int i;
796 const char *xpmb = "\0"; 984 const char *xpmb = "\0";
797 char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1]; 985 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
798 986
799 R->env_colorfgbg = 987 strcpy (fstr, "default");
800 (char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1); 988 strcpy (bstr, "default");
801 STRCPY(fstr, "default");
802 STRCPY(bstr, "default");
803 for (i = Color_Black; i <= Color_White; i++) 989 for (i = Color_Black; i <= Color_White; i++)
804 if (R->PixColors[Color_fg] == R->PixColors[i]) { 990 if (pix_colors[Color_fg] == pix_colors[i])
991 {
805 sprintf(fstr, "%d", (i - Color_Black)); 992 sprintf (fstr, "%d", (i - Color_Black));
806 break; 993 break;
807 } 994 }
995
808 for (i = Color_Black; i <= Color_White; i++) 996 for (i = Color_Black; i <= Color_White; i++)
809 if (R->PixColors[Color_bg] == R->PixColors[i]) { 997 if (pix_colors[Color_bg] == pix_colors[i])
998 {
810 sprintf(bstr, "%d", (i - Color_Black)); 999 sprintf (bstr, "%d", (i - Color_Black));
811#ifdef XPM_BACKGROUND 1000#ifdef XPM_BACKGROUND
812 xpmb = "default;"; 1001 xpmb = "default;";
813#endif 1002#endif
814 break; 1003 break;
815 } 1004 }
1005
816 sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); 1006 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
817 putenv(R->env_colorfgbg);
818
819#ifndef NO_BRIGHTCOLOR
820 R->colorfgbg = DEFAULT_RSTYLE;
821 for (i = minCOLOR; i <= maxCOLOR; i++) {
822 if (R->PixColors[Color_fg] == R->PixColors[i])
823 R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
824 if (R->PixColors[Color_bg] == R->PixColors[i])
825 R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
826 }
827#endif
828} 1007}
829 1008
830/*----------------------------------------------------------------------*/ 1009/*----------------------------------------------------------------------*/
831/*
832 * Colour determination for low colour displays, routine from
833 * Hans de Goede <hans@highrise.nl>
834 */
835 1010
836/* EXTPROTO */ 1011bool
837int 1012rxvt_term::set_color (rxvt_color &color, const char *name)
838rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
839{ 1013{
840 screen_in_out->set(aR_ colour); 1014 if (color.set (this, name))
841
842 if (!screen_in_out->set(aR_ colour)) {
843 rxvt_print_error("can't allocate colour: %s", colour);
844 return false;
845 }
846
847 return true; 1015 return true;
1016
1017 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
1018 return false;
848} 1019}
849 1020
850/* -------------------------------------------------------------------- * 1021/* -------------------------------------------------------------------- *
851 * - WINDOW RESIZING - * 1022 * - WINDOW RESIZING - *
852 * -------------------------------------------------------------------- */ 1023 * -------------------------------------------------------------------- */
853/* EXTPROTO */
854void 1024void
855rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height, 1025rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
856 int ignoreparent)
857{ 1026{
858 int fix_screen; 1027 int fix_screen;
1028 int old_width = szHint.width;
1029 int old_height = szHint.height;
859 1030
1031 window_calc (newwidth, newheight);
1032 XSetWMNormalHints (xdisp, parent[0], &szHint);
1033
1034 if (!ignoreparent)
1035 {
860#ifdef SMART_RESIZE 1036#ifdef SMART_RESIZE
861 int old_width = R->szHint.width, old_height = R->szHint.height; 1037 /*
862#endif
863
864 rxvt_window_calc(aR_ width, height);
865 XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
866 if (!ignoreparent) {
867#ifdef SMART_RESIZE
868/*
869 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> 1038 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
870 * reposition window on resize depending on placement on screen 1039 * reposition window on resize depending on placement on screen
871 */ 1040 */
872 int x, y, x1, y1; 1041 int x, y, x1, y1;
873 int dx, dy; 1042 int dx, dy;
874 unsigned int unused_w1, unused_h1, unused_b1, unused_d1; 1043 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
875 Window unused_cr; 1044 Window unused_cr;
876 1045
877 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot, 1046 XTranslateCoordinates (xdisp, parent[0], display->root,
878 0, 0, &x, &y, &unused_cr); 1047 0, 0, &x, &y, &unused_cr);
879 XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1, 1048 XGetGeometry (xdisp, parent[0], &unused_cr, &x1, &y1,
880 &unused_w1, &unused_h1, &unused_b1, &unused_d1); 1049 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
881 /* 1050 /*
882 * if Xroot isn't the parent window, a WM will probably have offset 1051 * if display->root isn't the parent window, a WM will probably have offset
883 * our position for handles and decorations. Counter it 1052 * our position for handles and decorations. Counter it
884 */ 1053 */
885 if (x1 != x || y1 != y) { 1054 if (x1 != x || y1 != y)
1055 {
886 x -= x1; 1056 x -= x1;
887 y -= y1; 1057 y -= y1;
888 } 1058 }
889 1059
890 x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2; 1060 x1 = (DisplayWidth (xdisp, display->screen) - old_width ) / 2;
891 y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2; 1061 y1 = (DisplayHeight (xdisp, display->screen) - old_height) / 2;
892 dx = old_width - R->szHint.width; 1062 dx = old_width - szHint.width;
893 dy = old_height - R->szHint.height; 1063 dy = old_height - szHint.height;
894 1064
895 /* Check position of the center of the window */ 1065 /* Check position of the center of the window */
896 if (x < x1) /* left half */ 1066 if (x < x1) /* left half */
897 dx = 0; 1067 dx = 0;
898 else if (x == x1) /* exact center */ 1068 else if (x == x1) /* exact center */
899 dx /= 2; 1069 dx /= 2;
900 if (y < y1) /* top half */ 1070 if (y < y1) /* top half */
901 dy = 0; 1071 dy = 0;
902 else if (y == y1) /* exact center */ 1072 else if (y == y1) /* exact center */
903 dy /= 2; 1073 dy /= 2;
904 1074
905 XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy, 1075 XMoveResizeWindow (xdisp, parent[0], x + dx, y + dy,
906 R->szHint.width, R->szHint.height); 1076 szHint.width, szHint.height);
907#else 1077#else
908 XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width, 1078 XResizeWindow (xdisp, parent[0], szHint.width, szHint.height);
909 R->szHint.height);
910#endif 1079#endif
911 } 1080 }
912 1081
913 fix_screen = (R->TermWin.ncol != R->prev_ncol 1082 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
914 || R->TermWin.nrow != R->prev_nrow); 1083
915 if (fix_screen || width != R->old_width || height != R->old_height) { 1084 if (fix_screen || newwidth != old_width || newheight != old_height)
916 if (scrollbar_visible(R)) { 1085 {
1086 if (scrollBar.state)
1087 {
917 XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x, 1088 XMoveResizeWindow (xdisp, scrollBar.win,
1089 window_sb_x, 0,
918 0, scrollbar_TotalWidth(), R->szHint.height); 1090 scrollbar_TotalWidth (), szHint.height);
919 rxvt_Resize_scrollBar(aR); 1091 resize_scrollbar ();
920 } 1092 }
921 if (menubar_visible(R)) 1093
922 XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x, 1094 XMoveResizeWindow (xdisp, vt,
923 0, TermWin_TotalWidth(), menuBar_TotalHeight()); 1095 window_vt_x, window_vt_y,
924 XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
925 R->window_vt_y, TermWin_TotalWidth(),
926 TermWin_TotalHeight()); 1096 width, height);
927#ifdef RXVT_GRAPHICS 1097
928 if (R->old_height)
929 rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
930 R->old_height - R->szHint.base_height);
931#endif
932 rxvt_scr_clear(aR); 1098 scr_clear ();
933#ifdef XPM_BACKGROUND 1099#ifdef XPM_BACKGROUND
934 rxvt_resize_pixmap(aR); 1100 resize_pixmap ();
935#endif 1101#endif
936 } 1102 }
937 1103
938 if (fix_screen || R->old_height == 0) { 1104 if (fix_screen || old_height == 0)
939 int curr_screen = -1;
940 uint16_t old_ncol = R->prev_ncol;
941
942 /* scr_reset only works on the primary screen */
943 if (R->old_height) /* this is not the first time through */
944 curr_screen = rxvt_scr_change_screen(aR_ PRIMARY);
945
946 R->scr_reset(); 1105 scr_reset ();
947 1106
948 if (curr_screen >= 0) { /* this is not the first time through */ 1107#ifdef XPM_BACKGROUND
949 rxvt_scr_change_screen(aR_ curr_screen); 1108 if (pixmap)
950 rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0)); 1109 scr_touch (false);
951 } 1110#endif
952 }
953
954 R->old_width = R->szHint.width;
955 R->old_height = R->szHint.height;
956 1111
957#ifdef USE_XIM 1112#ifdef USE_XIM
958 rxvt_IMSetStatusPosition(aR); 1113 IMSetStatusPosition ();
959#endif 1114#endif
960} 1115}
961 1116
962/* 1117/*
963 * Set the width/height of the vt window in characters. Units are pixels. 1118 * Set the width/height of the vt window in characters. Units are pixels.
964 * good for toggling 80/132 columns 1119 * good for toggling 80/132 columns
965 */ 1120 */
966/* EXTPROTO */
967void 1121void
968rxvt_set_widthheight(pR_ unsigned int width, unsigned int height) 1122rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
969{ 1123{
970 XWindowAttributes wattr; 1124 XWindowAttributes wattr;
971 1125
972 if (width == 0 || height == 0) { 1126 if (newwidth == 0 || newheight == 0)
1127 {
973 XGetWindowAttributes(R->Xdisplay, Xroot, &wattr); 1128 XGetWindowAttributes (xdisp, display->root, &wattr);
1129
974 if (width == 0) 1130 if (newwidth == 0)
975 width = wattr.width - R->szHint.base_width; 1131 newwidth = wattr.width - szHint.base_width;
976 if (height == 0) 1132 if (newheight == 0)
977 height = wattr.height - R->szHint.base_height; 1133 newheight = wattr.height - szHint.base_height;
1134 }
1135
1136 if (newwidth != width || newheight != height)
978 } 1137 {
979 if (width != R->TermWin.width || height != R->TermWin.height) {
980 width += R->szHint.base_width; 1138 newwidth += szHint.base_width;
981 height += R->szHint.base_height; 1139 newheight += szHint.base_height;
982 rxvt_resize_all_windows(aR_ width, height, 0); 1140 resize_all_windows (newwidth, newheight, 0);
983 } 1141 }
984} 1142}
985 1143
986/* -------------------------------------------------------------------- * 1144/* -------------------------------------------------------------------- *
987 * - X INPUT METHOD ROUTINES - * 1145 * - X INPUT METHOD ROUTINES - *
988 * -------------------------------------------------------------------- */ 1146 * -------------------------------------------------------------------- */
989#ifdef USE_XIM 1147#ifdef USE_XIM
990/* INTPROTO */
991void
992rxvt_setSize(pR_ XRectangle * size)
993{
994 size->x = R->TermWin.int_bwidth;
995 size->y = R->TermWin.int_bwidth;
996 size->width = Width2Pixel(R->TermWin.ncol);
997 size->height = Height2Pixel(R->TermWin.nrow);
998}
999 1148
1000/* INTPROTO */
1001void 1149void
1002rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg) 1150rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1003{ 1151{
1004 *fg = R->PixColors[Color_fg]; 1152 fg = pix_colors[Color_fg];
1005 *bg = R->PixColors[Color_bg]; 1153 bg = pix_colors[Color_bg];
1154}
1155
1156void
1157rxvt_term::im_set_size (XRectangle &size)
1158{
1159 // the int_bwidth terms make no sense to me
1160 size.x = int_bwidth;
1161 size.y = int_bwidth;
1162 size.width = Width2Pixel (ncol) + int_bwidth;
1163 size.height = Height2Pixel (nrow) + int_bwidth;
1164}
1165
1166void
1167rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1168 XRectangle &status_rect,
1169 const XRectangle &needed_rect)
1170{
1171 preedit_rect.x = needed_rect.width;
1172 preedit_rect.y = 0;
1173 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1174 preedit_rect.height = fheight;
1175
1176 status_rect.x = 0;
1177 status_rect.y = 0;
1178 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1179 status_rect.height = fheight;
1006} 1180}
1007 1181
1008/* Checking whether input method is running. */ 1182/* Checking whether input method is running. */
1009/* INTPROTO */
1010Bool 1183bool
1011rxvt_IMisRunning(pR) 1184rxvt_term::IMisRunning ()
1012{ 1185{
1013 char *p; 1186 char *p;
1014 Atom atom; 1187 Atom atom;
1015 Window win; 1188 Window win;
1016 char server[IMBUFSIZ]; 1189 char server[IMBUFSIZ];
1017 1190
1018/* get current locale modifier */ 1191 /* get current locale modifier */
1019 if ((p = XSetLocaleModifiers(NULL)) != NULL) { 1192 if ((p = XSetLocaleModifiers (NULL)) != NULL)
1193 {
1020 STRCPY(server, "@server="); 1194 strcpy (server, "@server=");
1021 STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */ 1195 strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1196
1022 if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */ 1197 if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1023 *p = '\0'; 1198 *p = '\0';
1024 1199
1025 atom = XInternAtom(R->Xdisplay, server, False); 1200 atom = XInternAtom (xdisp, server, False);
1026 win = XGetSelectionOwner(R->Xdisplay, atom); 1201 win = XGetSelectionOwner (xdisp, atom);
1202
1027 if (win != None) 1203 if (win != None)
1028 return True; 1204 return True;
1029 } 1205 }
1206
1030 return False; 1207 return False;
1031} 1208}
1032 1209
1033/* EXTPROTO */
1034void 1210void
1035rxvt_IMSendSpot(pR) 1211rxvt_term::IMSendSpot ()
1036{ 1212{
1037 XPoint spot; 1213 XPoint nspot;
1038 XVaNestedList preedit_attr; 1214 XVaNestedList preedit_attr;
1039 1215
1040 if (R->Input_Context == NULL 1216 if (!Input_Context
1041 || !R->TermWin.focus || !(R->input_style & XIMPreeditPosition) 1217 || !focus
1042 || !(R->event_type == KeyPress 1218 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1043 || R->event_type == Expose
1044 || R->event_type == NoExpose
1045 || R->event_type == SelectionNotify
1046 || R->event_type == ButtonRelease || R->event_type == FocusIn)
1047 || !rxvt_IMisRunning(aR))
1048 return; 1219 return;
1049 1220
1050 rxvt_setPosition(aR_ & spot); 1221 im_set_position (nspot);
1051 1222
1223 if (nspot.x == spot.x && nspot.y == spot.y)
1224 return;
1225
1226 spot = nspot;
1227
1052 preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL); 1228 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1053 XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL); 1229 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1054 XFree(preedit_attr); 1230 XFree (preedit_attr);
1055} 1231}
1056 1232
1057/* EXTPROTO */
1058void 1233void
1059rxvt_setTermFontSet(pR_ int idx) 1234rxvt_term::im_destroy ()
1060{ 1235{
1061 char *string; 1236 if (input_method)
1062 long length; 1237 {
1063 int success = 0; 1238 if (Input_Context && input_method->xim)
1239 XDestroyIC (Input_Context);
1064 1240
1065 if (idx < 0 || idx >= MAX_NFONTS) 1241 display->put_xim (input_method);
1066 return; 1242 input_method = 0;
1067} 1243 }
1068 1244
1069/* INTPROTO */
1070void
1071rxvt_setPreeditArea (pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1072 XRectangle * needed_rect)
1073{
1074 int mbh, vtx = 0;
1075
1076 if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1077 vtx = scrollbar_TotalWidth();
1078 mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1079 mbh -= R->TermWin.lineSpace;
1080
1081 preedit_rect->x = needed_rect->width + vtx;
1082 preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1083
1084 preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1085 + vtx;
1086 preedit_rect->height = Height2Pixel(1);
1087
1088 status_rect->x = vtx;
1089 status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1090
1091 status_rect->width = needed_rect->width ? needed_rect->width
1092 : Width2Pixel(R->TermWin.ncol + 1);
1093 status_rect->height = Height2Pixel(1);
1094}
1095
1096/* ARGSUSED */
1097/* INTPROTO */
1098void
1099rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1100 __attribute__ ((unused)), XPointer call_data
1101 __attribute__ ((unused)))
1102{
1103 dR;
1104
1105 R->Input_Context = NULL; 1245 Input_Context = 0;
1106/* To avoid Segmentation Fault in C locale: Solaris only? */
1107 if (STRCMP(R->locale, "C"))
1108 XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1109 rxvt_IMInstantiateCallback, NULL);
1110} 1246}
1247
1248#ifdef ENABLE_XIM_ONTHESPOT
1249
1250static void
1251xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1252{
1253 ((rxvt_term *)client_data)->make_current ();
1254 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1255}
1256
1257static void
1258xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1259{
1260 ((rxvt_term *)client_data)->make_current ();
1261 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1262}
1263
1264static void
1265xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1266{
1267 rxvt_term *term = (rxvt_term *)client_data;
1268 XIMText *text = call_data->text;
1269
1270 term->make_current ();
1271
1272 if (text)
1273 {
1274 void *str;
1275
1276 if (!text->encoding_is_wchar && text->string.multi_byte)
1277 {
1278 // of course, X makes it ugly again
1279 if (term->rs[Rs_imLocale])
1280 SET_LOCALE (term->rs[Rs_imLocale]);
1281
1282 str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
1283 mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
1284
1285 if (term->rs[Rs_imLocale])
1286 SET_LOCALE (term->locale);
1287 }
1288 else
1289 str = (void *)text->string.wide_char;
1290
1291 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1292 DT_INT, call_data->caret,
1293 DT_INT, call_data->chg_first,
1294 DT_INT, call_data->chg_length,
1295 DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1296 DT_WCS_LEN, str, str ? (int)text->length : 0,
1297 DT_END));
1298 }
1299 else
1300 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1301 DT_INT, call_data->caret,
1302 DT_INT, call_data->chg_first,
1303 DT_INT, call_data->chg_length,
1304 DT_END));
1305}
1306
1307#if 0
1308static void
1309xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1310{
1311 ((rxvt_term *)client_data)->make_current ();
1312 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1313 DT_INT, call_data->position,
1314 DT_INT, call_data->direction,
1315 DT_INT, call_data->style,
1316 DT_END));
1317}
1318#endif
1319
1320#endif
1111 1321
1112/* 1322/*
1113 * X manual pages and include files don't match on some systems: 1323 * Try to open a XIM with the current modifiers, then see if we can
1114 * some think this is an XIDProc and others an XIMProc so we can't 1324 * open a suitable preedit type
1115 * use the first argument - need to update this to be nice for
1116 * both types via some sort of configure detection
1117 */ 1325 */
1118/* ARGSUSED */ 1326bool
1119/* EXTPROTO */ 1327rxvt_term::IM_get_IC (const char *modifiers)
1120void
1121rxvt_IMInstantiateCallback(Display * unused
1122 __attribute__ ((unused)), XPointer client_data
1123 __attribute__ ((unused)), XPointer call_data
1124 __attribute__ ((unused)))
1125{ 1328{
1126 dR; 1329 int i, j, found;
1127 int i, found, had_im; 1330 XIM xim;
1331 XPoint spot;
1332 XRectangle rect, status_rect, needed_rect;
1333 unsigned long fg, bg;
1334 const char *p;
1335 char **s;
1336 XIMStyles *xim_styles;
1337#ifdef ENABLE_XIM_ONTHESPOT
1338 XIMCallback xcb[4];
1339#endif
1340
1341 set_environ (envv);
1342
1343 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1344 return false;
1345
1346 input_method = display->get_xim (locale, modifiers);
1347 if (input_method == NULL)
1348 return false;
1349
1350 xim = input_method->xim;
1351 spot.x = spot.y = -1;
1352
1353 xim_styles = NULL;
1354 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1355 || !xim_styles || !xim_styles->count_styles)
1356 {
1357 im_destroy ();
1358 return false;
1359 }
1360
1361 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1362
1363 for (int pi = 0; pi < 2; pi++)
1364 {
1365 p = pet[pi];
1366
1367 if (!p)
1368 continue;
1369
1370 s = rxvt_splitcommastring (p);
1371
1372 for (i = found = 0; !found && s[i]; i++)
1373 {
1374 if (!strcmp (s[i], "OverTheSpot"))
1375 input_style = XIMPreeditPosition | XIMStatusNothing;
1376 else if (!strcmp (s[i], "OffTheSpot"))
1377 input_style = XIMPreeditArea | XIMStatusArea;
1378 else if (!strcmp (s[i], "Root"))
1379 input_style = XIMPreeditNothing | XIMStatusNothing;
1380 else if (!strcmp (s[i], "None"))
1381 input_style = XIMPreeditNone | XIMStatusNone;
1382#ifdef ENABLE_XIM_ONTHESPOT
1383 else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1384 input_style = XIMPreeditCallbacks | XIMStatusNothing;
1385#endif
1386 else
1387 input_style = XIMPreeditNothing | XIMStatusNothing;
1388
1389 for (j = 0; j < xim_styles->count_styles; j++)
1390 if (input_style == xim_styles->supported_styles[j])
1391 {
1392 rxvt_freecommastring (s);
1393
1394 found = 1;
1395 goto foundpet;
1396 }
1397
1398 }
1399
1400 rxvt_freecommastring (s);
1401 }
1402
1403foundpet:
1404
1405 XFree (xim_styles);
1406
1407 if (!found)
1408 {
1409 im_destroy ();
1410 return false;
1411 }
1412
1413 XFontSet fs = 0;
1414 XVaNestedList preedit_attr = 0, status_attr = 0;
1415
1416 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1417 {
1418 // fake us a font-set, please
1419 char **missing_charset_list;
1420 int missing_charset_count;
1421 char *def_string;
1422 char pat[512];
1423
1424 sprintf (pat,
1425 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1426 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1427 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1428 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1429 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1430 "*",
1431 fheight,
1432 fheight + 1, fheight - 1,
1433 fheight - 2, fheight + 2);
1434
1435 fs = XCreateFontSet (xdisp, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1436 &missing_charset_list, &missing_charset_count, &def_string);
1437
1438 if (missing_charset_list)
1439 XFreeStringList (missing_charset_list);
1440
1441 if (!fs)
1442 {
1443 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1444 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1445 }
1446 }
1447
1448 if (input_style & XIMPreeditPosition)
1449 {
1450 im_set_size (rect);
1451 im_set_position (spot);
1452 im_set_color (fg, bg);
1453
1454 preedit_attr = XVaCreateNestedList (0,
1455 XNForeground, fg,
1456 XNBackground, bg,
1457 XNArea, &rect,
1458 XNSpotLocation, &spot,
1459 XNFontSet, fs,
1460 NULL);
1461 }
1462 else if (input_style & XIMPreeditArea)
1463 {
1464 im_set_color (fg, bg);
1465
1466 /*
1467 * The necessary width of preedit area is unknown
1468 * until create input context.
1469 */
1470 needed_rect.width = 0;
1471 im_set_preedit_area (rect, status_rect, needed_rect);
1472
1473 preedit_attr = XVaCreateNestedList (0,
1474 XNForeground, fg,
1475 XNBackground, bg,
1476 XNArea, &rect,
1477 XNFontSet, fs,
1478 NULL);
1479 status_attr = XVaCreateNestedList (0,
1480 XNForeground, fg,
1481 XNBackground, bg,
1482 XNArea, &status_rect,
1483 XNFontSet, fs,
1484 NULL);
1485 }
1486#if ENABLE_XIM_ONTHESPOT
1487 else if (input_style & XIMPreeditCallbacks)
1488 {
1489 im_set_position (spot);
1490
1491 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1492 xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1493 xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1494# if 0
1495 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1496# endif
1497
1498 preedit_attr = XVaCreateNestedList (0,
1499 XNSpotLocation, &spot,
1500 XNPreeditStartCallback, &xcb[0],
1501 XNPreeditDoneCallback , &xcb[1],
1502 XNPreeditDrawCallback , &xcb[2],
1503# if 0
1504 XNPreeditCaretCallback, &xcb[3],
1505# endif
1506 NULL);
1507 }
1508#endif
1509
1510 Input_Context = XCreateIC (xim,
1511 XNInputStyle, input_style,
1512 XNClientWindow, vt,
1513 XNFocusWindow, parent[0],
1514 preedit_attr ? XNPreeditAttributes : NULL,
1515 preedit_attr,
1516 status_attr ? XNStatusAttributes : NULL,
1517 status_attr, NULL);
1518
1519 if (preedit_attr) XFree (preedit_attr);
1520 if (status_attr) XFree (status_attr);
1521 if (fs) XFreeFontSet (xdisp, fs);
1522
1523 if (Input_Context == NULL)
1524 {
1525 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1526 im_destroy ();
1527 return false;
1528 }
1529
1530#if 0
1531 // unfortunately, only the focus window is used by XIM, hard to fix
1532 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1533 vt_select_input ();
1534#endif
1535
1536 if (input_style & XIMPreeditArea)
1537 IMSetStatusPosition ();
1538
1539 return true;
1540}
1541
1542void
1543rxvt_term::im_cb ()
1544{
1545 int i;
1128 const char *p; 1546 const char *p;
1129 char **s; 1547 char **s;
1130 char buf[IMBUFSIZ]; 1548 char buf[IMBUFSIZ];
1131 1549
1132 D_MAIN((stderr, "rxvt_IMInstantiateCallback()")); 1550 make_current ();
1551
1552 im_destroy ();
1553
1133 if (R->Input_Context) 1554 if (Input_Context)
1134 return; 1555 return;
1135 1556
1557#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1558 if (rs[Rs_imLocale])
1559 SET_LOCALE (rs[Rs_imLocale]);
1560#endif
1561
1136 p = R->rs[Rs_inputMethod]; 1562 p = rs[Rs_inputMethod];
1137 if (p && *p) 1563 if (p && *p)
1138 { 1564 {
1139 bool found = false; 1565 bool found = false;
1140 1566
1141 s = rxvt_splitcommastring (p); 1567 s = rxvt_splitcommastring (p);
1568
1142 for (i = 0; s[i]; i++) 1569 for (i = 0; s[i]; i++)
1143 { 1570 {
1144 if (*s[i]) 1571 if (*s[i])
1145 { 1572 {
1146 STRCPY (buf, "@im="); 1573 strcpy (buf, "@im=");
1147 STRNCAT (buf, s[i], IMBUFSIZ - 5); 1574 strncat (buf, s[i], IMBUFSIZ - 5);
1148 if ((p = XSetLocaleModifiers (buf)) && *p 1575 if (IM_get_IC (buf))
1149 && rxvt_IM_get_IC (aR))
1150 { 1576 {
1151 found = true; 1577 found = true;
1152 break; 1578 break;
1153 } 1579 }
1154 } 1580 }
1155 } 1581 }
1156 for (i = 0; s[i]; i++) 1582
1157 free(s[i]); 1583 rxvt_freecommastring (s);
1158 free(s);
1159 1584
1160 if (found) 1585 if (found)
1161 return; 1586 goto done;
1162 } 1587 }
1163 1588
1164/* try with XMODIFIERS env. var. */ 1589 /* try with XMODIFIERS env. var. */
1165 if ((p = XSetLocaleModifiers ("")) && *p 1590 if (IM_get_IC (""))
1166 && rxvt_IM_get_IC (aR)) 1591 goto done;
1592
1593 /* try with no modifiers base IF the user didn't specify an IM */
1594 if (IM_get_IC ("@im=none"))
1595 goto done;
1596
1597done:
1598#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1599 if (rs[Rs_imLocale])
1600 SET_LOCALE (locale);
1601#endif
1602}
1603
1604void
1605rxvt_term::IMSetStatusPosition ()
1606{
1607 XRectangle preedit_rect, status_rect, *needed_rect;
1608 XVaNestedList preedit_attr, status_attr;
1609
1610 if (!Input_Context
1611 || !focus
1612 || !(input_style & XIMPreeditArea)
1613 || !IMisRunning ())
1167 return; 1614 return;
1168 1615
1169/* try with no modifiers base IF the user didn't specify an IM */
1170 if ((p = XSetLocaleModifiers ("@im=none")) && *p
1171 && rxvt_IM_get_IC (aR) == True)
1172 return;
1173}
1174
1175/*
1176 * Try to open a XIM with the current modifiers, then see if we can
1177 * open a suitable preedit type
1178 */
1179/* INTPROTO */
1180Bool
1181rxvt_IM_get_IC(pR)
1182{
1183 int i, j, found;
1184 XIM xim;
1185 XPoint spot;
1186 XRectangle rect, status_rect, needed_rect;
1187 unsigned long fg, bg;
1188 const char *p;
1189 char **s;
1190 XIMStyles *xim_styles;
1191 XVaNestedList preedit_attr, status_attr;
1192 XIMCallback ximcallback;
1193
1194 D_MAIN((stderr, "rxvt_IM_get_IC()"));
1195 xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);
1196 if (xim == NULL)
1197 return False;
1198
1199 xim_styles = NULL;
1200 if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)
1201 || !xim_styles || !xim_styles->count_styles) {
1202 XCloseIM(xim);
1203 return False;
1204 }
1205
1206 p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]
1207 : "OverTheSpot,OffTheSpot,Root";
1208 s = rxvt_splitcommastring(p);
1209 for (i = found = 0; !found && s[i]; i++) {
1210 if (!STRCMP(s[i], "OverTheSpot"))
1211 R->input_style = (XIMPreeditPosition | XIMStatusNothing);
1212 else if (!STRCMP(s[i], "OffTheSpot"))
1213 R->input_style = (XIMPreeditArea | XIMStatusArea);
1214 else if (!STRCMP(s[i], "Root"))
1215 R->input_style = (XIMPreeditNothing | XIMStatusNothing);
1216
1217 for (j = 0; j < xim_styles->count_styles; j++)
1218 if (R->input_style == xim_styles->supported_styles[j]) {
1219 found = 1;
1220 break;
1221 }
1222 }
1223 for (i = 0; s[i]; i++)
1224 free(s[i]);
1225 free(s);
1226 XFree(xim_styles);
1227
1228 if (!found) {
1229 XCloseIM(xim);
1230 return False;
1231 }
1232
1233 ximcallback.callback = rxvt_IMDestroyCallback;
1234
1235/* XXX: not sure why we need this (as well as IC one below) */
1236 XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);
1237
1238 preedit_attr = status_attr = NULL;
1239
1240 if (R->input_style & XIMPreeditPosition) {
1241 rxvt_setSize(aR_ & rect);
1242 rxvt_setPosition(aR_ & spot);
1243 rxvt_setColor(aR_ & fg, &bg);
1244
1245 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1246 XNSpotLocation, &spot,
1247 XNForeground, fg, XNBackground, bg,
1248 //XNFontSet, R->TermWin.fontset,
1249 NULL);
1250 } else if (R->input_style & XIMPreeditArea) {
1251 rxvt_setColor(aR_ & fg, &bg);
1252
1253 /*
1254 * The necessary width of preedit area is unknown
1255 * until create input context.
1256 */
1257 needed_rect.width = 0;
1258
1259 rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1260
1261 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1262 XNForeground, fg, XNBackground, bg,
1263 //XNFontSet, R->TermWin.fontset,
1264 NULL);
1265 status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1266 XNForeground, fg, XNBackground, bg,
1267 //XNFontSet, R->TermWin.fontset,
1268 NULL);
1269 }
1270 R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1271 XNClientWindow, R->TermWin.parent[0],
1272 XNFocusWindow, R->TermWin.parent[0],
1273 XNDestroyCallback, &ximcallback,
1274 preedit_attr ? XNPreeditAttributes : NULL,
1275 preedit_attr,
1276 status_attr ? XNStatusAttributes : NULL,
1277 status_attr, NULL);
1278 if (preedit_attr)
1279 XFree(preedit_attr);
1280 if (status_attr)
1281 XFree(status_attr);
1282 if (R->Input_Context == NULL) {
1283 rxvt_print_error("failed to create input context");
1284 XCloseIM(xim);
1285 return False;
1286 }
1287 if (R->input_style & XIMPreeditArea)
1288 rxvt_IMSetStatusPosition(aR);
1289 D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1290 return True;
1291}
1292
1293/* EXTPROTO */
1294void
1295rxvt_IMSetStatusPosition(pR)
1296{
1297 XRectangle preedit_rect, status_rect, *needed_rect;
1298 XVaNestedList preedit_attr, status_attr;
1299
1300 if (R->Input_Context == NULL
1301 || !R->TermWin.focus || !(R->input_style & XIMPreeditArea)
1302 || !rxvt_IMisRunning(aR))
1303 return;
1304
1305/* Getting the necessary width of preedit area */ 1616 /* Getting the necessary width of preedit area */
1306 status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL); 1617 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1307 XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL); 1618 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1308 XFree(status_attr); 1619 XFree (status_attr);
1309 1620
1310 rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect); 1621 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1622 XFree (needed_rect);
1311 1623
1312 preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL); 1624 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1313 status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL); 1625 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1314 1626
1315 XSetICValues(R->Input_Context, 1627 XSetICValues (Input_Context,
1316 XNPreeditAttributes, preedit_attr, 1628 XNPreeditAttributes, preedit_attr,
1317 XNStatusAttributes, status_attr, NULL); 1629 XNStatusAttributes, status_attr, NULL);
1318 1630
1319 XFree(preedit_attr); 1631 XFree (preedit_attr);
1320 XFree(status_attr); 1632 XFree (status_attr);
1321} 1633}
1322#endif /* USE_XIM */ 1634#endif /* USE_XIM */
1323 1635
1324/*----------------------------------------------------------------------*/
1325rxvt_t rxvt_current_term;
1326
1327/*----------------------- end-of-file (C source) -----------------------*/ 1636/*----------------------- end-of-file (C source) -----------------------*/

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