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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.8 by pcg, Thu Nov 27 10:12:10 2003 UTC vs.
Revision 1.192 by root, Fri Jan 20 12:16:28 2006 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*--------------------------------*-C-*---------------------------------*
2 * File: main.c 2 * File: main.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: main.C,v 1.8 2003/11/27 10:12:10 pcg Exp $
5 * 4 *
6 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
7 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk> 6 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8 * - original version 7 * - original version
9 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com> 8 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
12 * Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA> 11 * Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13 * - extensive modifications 12 * - extensive modifications
14 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> 13 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> 14 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16 * - extensive modifications 15 * - extensive modifications
16 * Copyright (c) 2003-2006 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 termwin_ev (this, &rxvt_term::x_cb),
70 x_ev (this, &rxvt_term::x_cb), 176 vt_ev (this, &rxvt_term::x_cb),
177 child_ev (this, &rxvt_term::child_cb),
178 check_ev (this, &rxvt_term::check_cb),
179 flush_ev (this, &rxvt_term::flush_cb),
71 destroy_ev (this, &rxvt_term::destroy_cb) 180 destroy_ev (this, &rxvt_term::destroy_cb),
181 pty_ev (this, &rxvt_term::pty_cb),
182 incr_ev (this, &rxvt_term::incr_cb)
72{ 183{
73 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base; 184 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
185
186 termlist.push_back (this);
187
188#ifdef KEYSYM_RESOURCE
189 keyboard = new keyboard_manager;
190#endif
191}
192
193// clean up the most important stuff, do *not* call x or free mem etc.
194// for use before an emergency exit
195void rxvt_term::emergency_cleanup ()
196{
197 if (cmd_pid)
198 kill (-cmd_pid, SIGHUP);
199
200 delete pty; pty = 0;
74} 201}
75 202
76rxvt_term::~rxvt_term () 203rxvt_term::~rxvt_term ()
77{ 204{
78 rxvt_scr_release (this); 205 termlist.erase (find (termlist.begin (), termlist.end(), this));
79 206
80#ifndef NO_SETOWNER_TTYDEV 207 emergency_cleanup ();
81 rxvt_privileged_ttydev (this, RESTORE); 208
209#if ENABLE_STYLES
210 for (int i = RS_styleCount; --i; )
211 if (fontset[i] != fontset[0])
212 delete fontset[i];
82#endif 213#endif
83#ifdef UTMP_SUPPORT 214 delete fontset[0];
84 rxvt_privileged_utmp (this, RESTORE); 215
85#endif 216 if (display)
217 {
218 dDisp;
219
220 selection_clear ();
221
86#ifdef USE_XIM 222#ifdef USE_XIM
87 if (Input_Context != NULL) 223 im_destroy ();
224#endif
225#ifdef XTERM_SCROLLBAR
226 if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
227 if (ShadowGC) XFreeGC (disp, ShadowGC);
228#endif
229#ifdef PLAIN_SCROLLBAR
230 if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
231#endif
232#ifdef NEXT_SCROLLBAR
233 if (blackGC) XFreeGC (disp, blackGC);
234 if (whiteGC) XFreeGC (disp, whiteGC);
235 if (grayGC) XFreeGC (disp, grayGC);
236 if (darkGC) XFreeGC (disp, darkGC);
237 if (stippleGC) XFreeGC (disp, stippleGC);
238 if (dimple) XFreePixmap (disp, dimple);
239 if (upArrow) XFreePixmap (disp, upArrow);
240 if (downArrow) XFreePixmap (disp, downArrow);
241 if (upArrowHi) XFreePixmap (disp, upArrowHi);
242 if (downArrowHi) XFreePixmap (disp, downArrowHi);
243#endif
244#ifdef RXVT_SCROLLBAR
245 if (topShadowGC) XFreeGC (disp, topShadowGC);
246 if (botShadowGC) XFreeGC (disp, botShadowGC);
247 if (scrollbarGC) XFreeGC (disp, scrollbarGC);
248#endif
249 if (gc) XFreeGC (disp, gc);
250
251 delete drawable;
252 // destroy all windows
253 if (parent[0])
254 XDestroyWindow (disp, parent[0]);
88 { 255 }
89 XDestroyIC (Input_Context);
90 Input_Context = NULL;
91 }
92#endif
93 256
94 if (cmd_fd >= 0) 257 // TODO: free pixcolours, colours should become part of rxvt_display
95 close (cmd_fd); 258 delete pix_colors_focused;
259#if OFF_FOCUS_FADING
260 delete pix_colors_unfocused;
261#endif
96 262
97 if (Xfd >= 0) 263 displays.put (display);
98 XCloseDisplay (Xdisplay);
99 264
100 delete PixColors; 265 scr_release ();
266
267 /* clear all resources */
268 for (int i = 0; i < allocated.size (); i++)
269 free (allocated [i]);
270
271 free (selection.text);
272 // TODO: manage env vars in child only(!)
273 free (env_windowid);
274 free (env_display);
275 free (env_term);
276 free (env_colorfgbg);
277 free (locale);
278 free (v_buffer);
279 free (incr_buf);
280
281 delete envv;
282 delete argv;
283
284#ifdef KEYSYM_RESOURCE
285 delete keyboard;
286#endif
287}
288
289// child has exited, usually destroys
290void
291rxvt_term::child_cb (child_watcher &w, int status)
292{
293 HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
294
295 cmd_pid = 0;
296
297 if (!OPTION (Opt_hold))
298 destroy ();
101} 299}
102 300
103void 301void
104rxvt_term::destroy () 302rxvt_term::destroy ()
105{ 303{
304 if (destroy_ev.active)
305 return;
306
307 if (HOOK_INVOKE ((this, HOOK_DESTROY, DT_END)))
308 return;
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
330 check_ev.stop ();
106 pty_ev.stop (); 331 pty_ev.stop ();
107 x_ev.stop ();
108#ifdef CURSOR_BLINK 332#ifdef CURSOR_BLINK
333 cursor_blink_ev.stop ();
334#endif
335#ifdef TEXT_BLINK
109 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 ();
110#endif 343#endif
111#ifdef POINTER_BLANK 344#ifdef POINTER_BLANK
112 pointer_ev.stop (); 345 pointer_ev.stop ();
113#endif 346#endif
114 347
116} 349}
117 350
118void 351void
119rxvt_term::destroy_cb (time_watcher &w) 352rxvt_term::destroy_cb (time_watcher &w)
120{ 353{
121 SET_R (this); 354 make_current ();
122 355
123 delete this; 356 delete this;
124}
125
126/*----------------------------------------------------------------------*/
127/* rxvt_init() */
128/* LIBPROTO */
129rxvt_t
130rxvt_init(int argc, const char *const *argv)
131{
132 SET_R(new rxvt_term);
133 dR;
134
135 if (!R->init_vars () || !R->init (argc, argv))
136 {
137 delete R;
138 return NULL;
139 }
140
141 return R;
142}
143
144/* EXTPROTO */
145void
146rxvt_init_signals ()
147{
148/* install exit handler for cleanup */
149#if 0
150#ifdef HAVE_ATEXIT
151 atexit(rxvt_clean_exit);
152#else
153# ifdef HAVE_ON_EXIT
154 on_exit(rxvt_clean_exit, NULL); /* non-ANSI exit handler */
155# endif
156#endif
157#endif
158
159 struct sigaction sa;
160
161 sigfillset (&sa.sa_mask);
162 sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
163 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGHUP , &sa, 0); //TODO, also: SIGPIPE
164 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
165 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
166 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
167 sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
168
169/* need to trap SIGURG for SVR4 (Unixware) rlogin */
170/* signal (SIGURG, SIG_DFL); */
171
172 XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
173 //XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
174}
175
176bool
177rxvt_term::init (int argc, const char *const *argv)
178{
179 dR;//TODO (scrollbar, setidle)
180
181 /*
182 * Save and then give up any super-user privileges
183 * If we need privileges in any area then we must specifically request it.
184 * We should only need to be root in these cases:
185 * 1. write utmp entries on some systems
186 * 2. chown tty on some systems
187 */
188 rxvt_privileges (this, SAVE);
189 rxvt_privileges (this, IGNORE);
190
191 rxvt_init_secondary (this);
192
193 const char **cmd_argv = rxvt_init_resources (this, argc, argv);
194
195#if (MENUBAR_MAX)
196 rxvt_menubar_read (this, rs[Rs_menu]);
197#endif
198#ifdef HAVE_SCROLLBARS
199 if (Options & Opt_scrollBar)
200 scrollbar_setIdle (); /* set existence for size calculations */
201#endif
202
203 rxvt_Create_Windows (this, argc, argv);
204
205 rxvt_init_xlocale (this);
206
207 rxvt_scr_reset (this); /* initialize screen */
208#ifdef RXVT_GRAPHICS
209 rxvt_Gr_reset (this); /* reset graphics */
210#endif
211
212#if 0
213#ifdef DEBUG_X
214 XSynchronize(Xdisplay, True);
215#endif
216#endif
217
218#ifdef HAVE_SCROLLBARS
219 if (Options & Opt_scrollBar)
220 rxvt_Resize_scrollBar (this); /* create and map scrollbar */
221#endif
222#if (MENUBAR_MAX)
223 if (menubar_visible(r))
224 XMapWindow (Xdisplay, menuBar.win);
225#endif
226#ifdef TRANSPARENT
227 if (Options & Opt_transparent)
228 {
229 XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
230 rxvt_check_our_parents (this);
231 }
232#endif
233 XMapWindow (Xdisplay, TermWin.vt);
234 XMapWindow (Xdisplay, TermWin.parent[0]);
235
236 rxvt_init_env (this);
237 rxvt_init_command (this, cmd_argv);
238
239 x_ev.start (Xfd, EVENT_READ);
240 pty_ev.start (cmd_fd, EVENT_READ);
241
242 flush ();
243
244 return true;
245}
246
247/* ------------------------------------------------------------------------- *
248 * SIGNAL HANDLING & EXIT HANDLER *
249 * ------------------------------------------------------------------------- */
250/*
251 * Catch a SIGCHLD signal and exit if the direct child has died
252 */
253/* ARGSUSED */
254/* EXTPROTO */
255RETSIGTYPE
256rxvt_Child_signal(int sig __attribute__ ((unused)))
257{
258 int pid, save_errno = errno;
259 while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
260 ;
261 errno = save_errno;
262
263#if 0
264 if (pid == R->cmd_pid)
265 exit (EXIT_SUCCESS);
266#endif
267}
268
269/*
270 * Catch a fatal signal and tidy up before quitting
271 */
272/* EXTPROTO */
273RETSIGTYPE
274rxvt_Exit_signal(int sig)
275{
276 signal(sig, SIG_DFL);
277#ifdef DEBUG_CMD
278 rxvt_print_error("signal %d", sig);
279#endif
280 rxvt_clean_exit();
281 kill(getpid(), sig);
282}
283
284/* ARGSUSED */
285/* INTPROTO */
286int
287rxvt_xerror_handler(const Display * display
288 __attribute__ ((unused)), const XErrorEvent * event)
289{
290 dR;
291
292 if (R->allowedxerror == -1)
293 R->allowedxerror = event->error_code;
294 else
295 {
296 rxvt_print_error("XError: Request: %d . %d, Error: %d",
297 event->request_code, event->minor_code,
298 event->error_code);
299
300 R->destroy ();
301 }
302
303 return 0;
304} 357}
305 358
306/*----------------------------------------------------------------------*/ 359/*----------------------------------------------------------------------*/
307/* 360/*
308 * Exit gracefully, clearing the utmp entry and restoring tty attributes 361 * Exit gracefully, clearing the utmp entry and restoring tty attributes
309 * 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
310 */ 363 */
311/* 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)
453{
454 SET_R (this);
455 set_locale ("");
456 set_environ (envv); // few things in X do not call setlocale :(
457
458 if (!init_vars ())
459 return false;
460
461 init_secondary ();
462
463 const char **cmd_argv = init_resources (argc, argv);
464
465#ifdef KEYSYM_RESOURCE
466 keyboard->register_done ();
467#endif
468
469#ifdef HAVE_SCROLLBARS
470 if (OPTION (Opt_scrollBar))
471 scrollBar.setIdle (); /* set existence for size calculations */
472#endif
473
474 pty = rxvt_new_ptytty ();
475
476 create_windows (argc, argv);
477
478 dDisp;
479
480 init_xlocale ();
481
482 scr_reset (); // initialize screen
483
484#if 0
485 XSynchronize (disp, 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 (disp, 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 XMapWindow (disp, vt);
515 XMapWindow (disp, parent[0]);
516
517 return true;
518}
519
520static struct sig_handlers
521{
522 sig_watcher sw_term, sw_int;
523
524 /*
525 * Catch a fatal signal and tidy up before quitting
526 */
312void 527 void
313rxvt_clean_exit () 528 sig_term (sig_watcher &w)
314{ 529 {
315 dR; 530#ifdef DEBUG_CMD
531 rxvt_warn ("caught signal %d, exiting.\n", w.signum);
532#endif
533 rxvt_emergency_cleanup ();
534 signal (w.signum, SIG_DFL);
535 kill (getpid (), w.signum);
536 }
316 537
317 R->destroy (); 538 sig_handlers ()
539 : sw_term (this, &sig_handlers::sig_term),
540 sw_int (this, &sig_handlers::sig_term)
541 {
542 }
543} sig_handlers;
544
545char **rxvt_environ; // startup environment
546
547void
548rxvt_init ()
549{
550 uid_t uid = getuid ();
551 gid_t gid = getgid ();
552
553 // before doing anything else, check for setuid/setgid operation,
554 // start the helper process and drop privileges
555 if (uid != geteuid ()
556 || gid != getegid ())
557 {
558#if PTYTTY_HELPER
559 rxvt_ptytty_server ();
560#else
561 rxvt_warn ("running setuid/setgid without pty helper compiled in, continuing unprivileged.\n");
562#endif
563
564 // drop privileges
565#if HAVE_SETRESUID
566 setresgid (gid, gid, gid);
567 setresuid (uid, uid, uid);
568#elif HAVE_SETREUID
569 setregid (gid, gid);
570 setreuid (uid, uid);
571#elif HAVE_SETUID
572 setgid (gid);
573 setuid (uid);
574#endif
575
576 if (uid != geteuid ()
577 || gid != getegid ())
578 rxvt_fatal ("unable to drop privileges, aborting.\n");
579 }
580
581 rxvt_environ = environ;
582
583 signal (SIGHUP, SIG_IGN);
584 signal (SIGPIPE, SIG_IGN);
585
586 sig_handlers.sw_term.start (SIGTERM);
587 sig_handlers.sw_int.start (SIGINT);
588
589 /* need to trap SIGURG for SVR4 (Unixware) rlogin */
590 /* signal (SIGURG, SIG_DFL); */
591
592 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
593 // TODO: handle this with exceptions and tolerate the memory loss
594 XSetIOErrorHandler (rxvt_xioerror_handler);
595
596 XrmInitialize ();
318} 597}
319 598
320/* ------------------------------------------------------------------------- * 599/* ------------------------------------------------------------------------- *
321 * MEMORY ALLOCATION WRAPPERS * 600 * MEMORY ALLOCATION WRAPPERS *
322 * ------------------------------------------------------------------------- */ 601 * ------------------------------------------------------------------------- */
323/* EXTPROTO */ 602void *
324void *
325rxvt_malloc(size_t size) 603rxvt_malloc (size_t size)
326{ 604{
327 void *p;
328
329 p = malloc(size); 605 void *p = malloc (size);
606
330 if (p) 607 if (!p)
608 rxvt_fatal ("memory allocation failure. aborting.\n");
609
331 return p; 610 return p;
332
333 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
334 rxvt_clean_exit();
335 exit(EXIT_FAILURE);
336/* NOTREACHED */
337} 611}
338 612
339/* EXTPROTO */ 613void *
340void *
341rxvt_calloc(size_t number, size_t size) 614rxvt_calloc (size_t number, size_t size)
342{ 615{
343 void *p;
344
345 p = calloc(number, size); 616 void *p = calloc (number, size);
617
346 if (p) 618 if (!p)
619 rxvt_fatal ("memory allocation failure. aborting.\n");
620
347 return p; 621 return p;
348
349 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
350 rxvt_clean_exit();
351 exit(EXIT_FAILURE);
352/* NOTREACHED */
353} 622}
354 623
355/* EXTPROTO */ 624void *
356void *
357rxvt_realloc(void *ptr, size_t size) 625rxvt_realloc (void *ptr, size_t size)
358{ 626{
359 void *p;
360
361 if (ptr)
362 p = realloc(ptr, size); 627 void *p = realloc (ptr, size);
363 else 628
364 p = malloc(size);
365 if (p) 629 if (!p)
630 rxvt_fatal ("memory allocation failure. aborting.\n");
631
366 return p; 632 return p;
367
368 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
369 rxvt_clean_exit();
370 exit(EXIT_FAILURE);
371/* NOTREACHED */
372} 633}
373
374/* ------------------------------------------------------------------------- *
375 * PRIVILEGED OPERATIONS *
376 * ------------------------------------------------------------------------- */
377/* take care of suid/sgid super-user (root) privileges */
378/* INTPROTO */
379void
380rxvt_privileges(pR_ int mode)
381{
382#if ! defined(__CYGWIN32__)
383# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
384/* setreuid() is the poor man's setuid(), seteuid() */
385# define seteuid(a) setreuid(-1, (a))
386# define setegid(a) setregid(-1, (a))
387# define HAVE_SETEUID
388# endif
389# ifdef HAVE_SETEUID
390 switch (mode) {
391 case IGNORE:
392 /*
393 * change effective uid/gid - not real uid/gid - so we can switch
394 * back to root later, as required
395 */
396 seteuid(getuid());
397 setegid(getgid());
398 break;
399 case SAVE:
400 R->euid = geteuid();
401 R->egid = getegid();
402 break;
403 case RESTORE:
404 seteuid(R->euid);
405 setegid(R->egid);
406 break;
407 }
408# else
409 switch (mode) {
410 case IGNORE:
411 setuid(getuid());
412 setgid(getgid());
413 /* FALLTHROUGH */
414 case SAVE:
415 /* FALLTHROUGH */
416 case RESTORE:
417 break;
418 }
419# endif
420#endif
421}
422
423#ifdef UTMP_SUPPORT
424/* EXTPROTO */
425void
426rxvt_privileged_utmp(pR_ char action)
427{
428 D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
429 action, R->next_utmp_action, getpid()));
430 if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
431 || (R->Options & Opt_utmpInhibit)
432 || R->ttydev == NULL || *R->ttydev == '\0')
433 return;
434
435 rxvt_privileges(aR_ RESTORE);
436 if (action == SAVE) {
437 R->next_utmp_action = RESTORE;
438 rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
439 } else { /* action == RESTORE */
440 R->next_utmp_action = IGNORE;
441 rxvt_cleanutent(aR);
442 }
443 rxvt_privileges(aR_ IGNORE);
444}
445#endif
446
447#ifndef NO_SETOWNER_TTYDEV
448/* EXTPROTO */
449void
450rxvt_privileged_ttydev(pR_ char action)
451{
452 D_MAIN((stderr,
453 "rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
454 action, R->next_tty_action, getpid()));
455 if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
456 || R->ttydev == NULL || *R->ttydev == '\0')
457 return;
458
459 rxvt_privileges(aR_ RESTORE);
460
461 if (action == SAVE) {
462 R->next_tty_action = RESTORE;
463# ifndef RESET_TTY_TO_COMMON_DEFAULTS
464/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
465 if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
466 R->next_tty_action = IGNORE;
467 else
468# endif
469 {
470 chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
471 chmod(R->ttydev, R->ttymode);
472# ifdef HAVE_REVOKE
473 revoke(R->ttydev);
474# endif
475 }
476 } else { /* action == RESTORE */
477 R->next_tty_action = IGNORE;
478# ifndef RESET_TTY_TO_COMMON_DEFAULTS
479 chmod(R->ttydev, R->ttyfd_stat.st_mode);
480 chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
481# else
482 chmod(R->ttydev,
483 (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
484 chown(R->ttydev, 0, 0);
485# endif
486 }
487
488 rxvt_privileges(aR_ IGNORE);
489
490# ifndef RESET_TTY_TO_COMMON_DEFAULTS
491 D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
492 action == RESTORE ? "Restoring" : (action ==
493 SAVE ? "Saving" :
494 "UNKNOWN ERROR for"), R->ttydev,
495 R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
496 R->ttyfd_stat.st_gid));
497# endif
498}
499#endif
500 634
501/*----------------------------------------------------------------------*/ 635/*----------------------------------------------------------------------*/
502/* 636/*
503 * window size/position calculcations for XSizeHint and other storage. 637 * window size/position calculcations for XSizeHint and other storage.
504 * if width/height are non-zero then override calculated width/height 638 * if width/height are non-zero then override calculated width/height
505 */ 639 */
506/* EXTPROTO */
507void 640void
508rxvt_window_calc(pR_ unsigned int width, unsigned int height) 641rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
509{ 642{
510 short recalc_x, recalc_y; 643 short recalc_x, recalc_y;
511 int x, y, sb_w, mb_h, flags; 644 int x, y, sb_w, flags;
512 unsigned int w, h; 645 unsigned int w, h;
513 unsigned int max_width, max_height; 646 unsigned int max_width, max_height;
647 dDisp;
514 648
515 D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", 649 D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
516 R->TermWin.ncol, R->TermWin.nrow, R->szHint.width, 650 ncol, nrow, szHint.width, szHint.height));
517 R->szHint.height)); 651
518 R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; 652 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
519 R->szHint.win_gravity = NorthWestGravity; 653 szHint.win_gravity = NorthWestGravity;
520/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */ 654 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
521 655
522 recalc_x = recalc_y = 0; 656 recalc_x = recalc_y = 0;
523 flags = 0; 657 flags = 0;
658
524 if (!R->parsed_geometry) { 659 if (!parsed_geometry)
660 {
525 R->parsed_geometry = 1; 661 parsed_geometry = 1;
662
526 if (R->rs[Rs_geometry]) 663 if (rs[Rs_geometry])
527 flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h); 664 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
665
528 if (flags & WidthValue) { 666 if (flags & WidthValue)
529 R->TermWin.ncol = BOUND_POSITIVE_INT16(w); 667 {
668 ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
530 R->szHint.flags |= USSize; 669 szHint.flags |= USSize;
531 } 670 }
671
532 if (flags & HeightValue) { 672 if (flags & HeightValue)
533 R->TermWin.nrow = BOUND_POSITIVE_INT16(h); 673 {
674 nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
534 R->szHint.flags |= USSize; 675 szHint.flags |= USSize;
535 } 676 }
677
536 if (flags & XValue) { 678 if (flags & XValue)
679 {
537 R->szHint.x = x; 680 szHint.x = x;
538 R->szHint.flags |= USPosition; 681 szHint.flags |= USPosition;
682
539 if (flags & XNegative) { 683 if (flags & XNegative)
684 {
540 recalc_x = 1; 685 recalc_x = 1;
541 R->szHint.win_gravity = NorthEastGravity; 686 szHint.win_gravity = NorthEastGravity;
542 } 687 }
543 } 688 }
689
544 if (flags & YValue) { 690 if (flags & YValue)
691 {
545 R->szHint.y = y; 692 szHint.y = y;
546 R->szHint.flags |= USPosition; 693 szHint.flags |= USPosition;
694
547 if (flags & YNegative) { 695 if (flags & YNegative)
696 {
548 recalc_y = 1; 697 recalc_y = 1;
698
549 if (R->szHint.win_gravity == NorthEastGravity) 699 if (szHint.win_gravity == NorthEastGravity)
550 R->szHint.win_gravity = SouthEastGravity; 700 szHint.win_gravity = SouthEastGravity;
551 else 701 else
552 R->szHint.win_gravity = SouthWestGravity; 702 szHint.win_gravity = SouthWestGravity;
553 } 703 }
554 } 704 }
555 } 705 }
706
556/* TODO: BOUNDS */ 707 /* TODO: BOUNDS */
557 R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth; 708 width = ncol * fwidth;
558 R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight; 709 height = nrow * fheight;
559 max_width = MAX_COLS * R->TermWin.fwidth; 710 max_width = MAX_COLS * fwidth;
560 max_height = MAX_ROWS * R->TermWin.fheight; 711 max_height = MAX_ROWS * fheight;
561 712
562 R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth; 713 szHint.base_width = szHint.base_height = 2 * int_bwidth;
563 714
564 sb_w = mb_h = 0; 715 sb_w = 0;
565 R->window_vt_x = R->window_vt_y = 0; 716 window_vt_x = window_vt_y = int_bwidth;
566 if (scrollbar_visible(R)) { 717
718 if (scrollBar.state)
719 {
567 sb_w = scrollbar_TotalWidth(); 720 sb_w = scrollbar_TotalWidth ();
568 R->szHint.base_width += sb_w; 721 szHint.base_width += sb_w;
569 if (!(R->Options & Opt_scrollBar_right)) 722 if (!OPTION (Opt_scrollBar_right))
570 R->window_vt_x = sb_w; 723 window_vt_x += sb_w;
571 } 724 }
572 if (menubar_visible(R)) { 725
573 mb_h = menuBar_TotalHeight();
574 R->szHint.base_height += mb_h;
575 R->window_vt_y = mb_h;
576 }
577 R->szHint.width_inc = R->TermWin.fwidth; 726 szHint.width_inc = fwidth;
578 R->szHint.height_inc = R->TermWin.fheight; 727 szHint.height_inc = fheight;
579 R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc; 728 szHint.min_width = szHint.base_width + szHint.width_inc;
580 R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc; 729 szHint.min_height = szHint.base_height + szHint.height_inc;
581 730
582 if (width && width - R->szHint.base_width < max_width) { 731 if (newwidth && newwidth - szHint.base_width < max_width)
732 {
583 R->szHint.width = width; 733 szHint.width = newwidth;
584 R->TermWin.width = width - R->szHint.base_width; 734 width = newwidth - szHint.base_width;
585 } else { 735 }
586 MIN_IT(R->TermWin.width, max_width); 736 else
737 {
738 min_it (width, max_width);
587 R->szHint.width = R->szHint.base_width + R->TermWin.width; 739 szHint.width = szHint.base_width + width;
588 } 740 }
741
589 if (height && height - R->szHint.base_height < max_height) { 742 if (newheight && newheight - szHint.base_height < max_height)
743 {
590 R->szHint.height = height; 744 szHint.height = newheight;
591 R->TermWin.height = height - R->szHint.base_height; 745 height = newheight - szHint.base_height;
592 } else { 746 }
593 MIN_IT(R->TermWin.height, max_height); 747 else
748 {
749 min_it (height, max_height);
594 R->szHint.height = R->szHint.base_height + R->TermWin.height; 750 szHint.height = szHint.base_height + height;
595 } 751 }
596 if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right)) 752
753 if (scrollBar.state && OPTION (Opt_scrollBar_right))
597 R->window_sb_x = R->szHint.width - sb_w; 754 window_sb_x = szHint.width - sb_w;
598 755
599 if (recalc_x) 756 if (recalc_x)
600 R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen) 757 szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
601 - R->szHint.width - 2 * R->TermWin.ext_bwidth);
602 if (recalc_y) 758 if (recalc_y)
603 R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen) 759 szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
604 - R->szHint.height - 2 * R->TermWin.ext_bwidth);
605 760
606 R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth; 761 ncol = width / fwidth;
607 R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight; 762 nrow = height / fheight;
608 D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", 763 D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
609 R->TermWin.ncol, R->TermWin.nrow, R->szHint.width, 764 ncol, nrow, szHint.width,
610 R->szHint.height)); 765 szHint.height));
611 return; 766 return;
612} 767}
613 768
614/*----------------------------------------------------------------------*/ 769/*----------------------------------------------------------------------*/
615/* 770/*
616 * Tell the teletype handler what size the window is. 771 * Tell the teletype handler what size the window is.
617 * Called after a window size change. 772 * Called after a window size change.
618 */ 773 */
619/* EXTPROTO */
620void 774void
621rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid) 775rxvt_term::tt_winch ()
622{ 776{
777 if (pty->pty < 0)
778 return;
779
623 struct winsize ws; 780 struct winsize ws;
624 781
625 if (fd < 0)
626 return;
627 ws.ws_col = col; 782 ws.ws_col = ncol;
628 ws.ws_row = row; 783 ws.ws_row = nrow;
629 ws.ws_xpixel = ws.ws_ypixel = 0; 784 ws.ws_xpixel = width;
630#ifndef DEBUG_SIZE 785 ws.ws_ypixel = height;
631 (void)ioctl(fd, TIOCSWINSZ, &ws); 786 (void)ioctl (pty->pty, TIOCSWINSZ, &ws);
632#else 787
633 if (ioctl(fd, TIOCSWINSZ, &ws) < 0) { 788#if 0
634 D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd)); 789 // TIOCSWINSZ⎈ is supposed to do this automatically and correctly
635 }
636# ifdef SIGWINCH
637 else if (pid) /* force through to the command */ 790 if (cmd_pid) /* force through to the command */
638 kill(pid, SIGWINCH); 791 kill (-cmd_pid, SIGWINCH);
639# endif
640#endif 792#endif
641} 793}
642 794
643/*----------------------------------------------------------------------*/ 795/*----------------------------------------------------------------------*/
644/* rxvt_change_font() - Switch to a new font */ 796/* set_fonts () - load and set the various fonts
645/* 797 *
646 * init = 1 - initialize 798 * init = 1 - initialize
647 * 799 *
648 * fontname == FONT_UP - switch to bigger font 800 * fontname == FONT_UP - switch to bigger font
649 * fontname == FONT_DN - switch to smaller font 801 * fontname == FONT_DN - switch to smaller font
650 */ 802 */
651/* EXTPROTO */ 803bool
652void 804rxvt_term::set_fonts ()
653rxvt_change_font(pR_ int init, const char *fontname)
654{ 805{
655} 806 rxvt_fontset *fs = new rxvt_fontset (this);
807 rxvt_fontprop prop;
656 808
657/* INTPROTO */ 809 if (!fs
658void 810 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
659rxvt_font_up_down(pR_ int n, int direction) 811 || !fs->realize_font (1))
812 {
813 delete fs;
814 return false;
815 }
816
817#if ENABLE_STYLES
818 for (int i = RS_styleCount; --i; )
819 if (fontset[i] != fontset[0])
820 delete fontset[i];
821#endif
822
823 delete fontset[0];
824 fontset[0] = fs;
825
826 prop = (*fs)[1]->properties ();
827 prop.height += lineSpace;
828 fs->set_prop (prop);
829
830 fwidth = prop.width;
831 fheight = prop.height;
832 fbase = prop.ascent;
833
834 for (int style = 1; style < 4; style++)
835 {
836#if ENABLE_STYLES
837 const char *res = rs[Rs_font + style];
838
839 if (res && !*res)
840 fontset[style] = fontset[0];
841 else
842 {
843 fontset[style] = fs = new rxvt_fontset (this);
844 rxvt_fontprop prop2 = prop;
845
846 if (res)
847 prop2.weight = prop2.slant = rxvt_fontprop::unset;
848 else
849 {
850 res = fontset[0]->fontdesc;
851
852 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
853 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
854 }
855
856 fs->populate (res);
857 fs->set_prop (prop2);
858 }
859#else
860 fontset[style] = fontset[0];
861#endif
862 }
863
864 if (parent[0])
865 {
866 resize_all_windows (0, 0, 0);
867 scr_remap_chars ();
868 scr_touch (true);
869 }
870
871 return true;
872}
873
874void rxvt_term::set_string_property (Atom prop, const char *str, int len)
660{ 875{
876 XChangeProperty (display->display, parent[0],
877 prop, XA_STRING, 8, PropModeReplace,
878 (const unsigned char *)str, len >= 0 ? len : strlen (str));
879}
880
881void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
882{
883 wchar_t *ws = rxvt_mbstowcs (str, len);
884 char *s = rxvt_wcstoutf8 (ws);
885
886 XChangeProperty (display->display, parent[0],
887 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
888 (const unsigned char *)s, strlen (s));
889
890 free (s);
891 free (ws);
661} 892}
662 893
663/*----------------------------------------------------------------------*/ 894/*----------------------------------------------------------------------*/
664/*----------------------------------------------------------------------*/ 895/*----------------------------------------------------------------------*/
665/* xterm sequences - title, iconName, color (exptl) */ 896/* xterm sequences - title, iconName, color (exptl) */
666/* EXTPROTO */
667void 897void
668rxvt_set_title(pR_ const char *str) 898rxvt_term::set_title (const char *str)
669{ 899{
670#ifndef SMART_WINDOW_TITLE 900 set_string_property (XA_WM_NAME, str);
671 XStoreName(R->Xdisplay, R->TermWin.parent[0], str); 901#if ENABLE_EWMH
902 set_utf8_property (xa[XA_NET_WM_NAME], str);
903#endif
904}
905
906void
907rxvt_term::set_icon_name (const char *str)
908{
909 set_string_property (XA_WM_ICON_NAME, str);
910#if ENABLE_EWMH
911 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
912#endif
913}
914
915#ifdef XTERM_COLOR_CHANGE
916void
917rxvt_term::set_window_color (int idx, const char *color)
918{
919 rxvt_color xcol;
920 int i;
921
922 if (color == NULL || *color == '\0')
923 return;
924
925 /* handle color aliases */
926 if (isdigit (*color))
927 {
928 i = atoi (color);
929
930 if (i >= 8 && i <= 15)
931 { /* bright colors */
932 i -= 8;
933 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
934 SET_PIXCOLOR (idx);
935 goto done;
936 }
937
938 if (i >= 0 && i <= 7)
939 { /* normal colors */
940 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
941 SET_PIXCOLOR (idx);
942 goto done;
943 }
944 }
945
946 if (!rXParseAllocColor (&xcol, color))
947 return;
948
949 /* XStoreColor (display->display, display->cmap, XColor*); */
950
951 /*
952 * FIXME: should free colors here, but no idea how to do it so instead,
953 * so just keep gobbling up the colormap
954 */
955# if 0
956 for (i = Color_Black; i <= Color_White; i++)
957 if (pix_colors[idx] == pix_colors[i])
958 break;
959 if (i > Color_White)
960 {
961 /* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
962 XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
963 DisplayPlanes (display->display, display->screen));
964 }
965# endif
966
967 pix_colors_focused[idx] = xcol;
968 SET_PIXCOLOR (idx);
969
970 /* XSetWindowAttributes attr; */
971 /* Cursor cursor; */
972done:
973
974#if OFF_FOCUS_FADING
975 if (rs[Rs_fade])
976 pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
977#endif
978
979 /*TODO: handle Color_BD, scrollbar background, etc. */
980
981 recolour_cursor ();
982 scr_recolour ();
983}
984
672#else 985#else
673 char *name;
674
675 if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
676 name = NULL;
677 if (name == NULL || STRCMP(name, str))
678 XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
679 if (name)
680 XFree(name);
681#endif
682}
683
684/* EXTPROTO */
685void
686rxvt_set_iconName(pR_ const char *str)
687{
688#ifndef SMART_WINDOW_TITLE
689 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
690#else
691 char *name;
692
693 if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
694 name = NULL;
695 if (name == NULL || STRCMP(name, str))
696 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
697 if (name)
698 XFree(name);
699#endif
700}
701
702#ifdef XTERM_COLOR_CHANGE
703/* EXTPROTO */
704void
705rxvt_set_window_color(pR_ int idx, const char *color)
706{
707 rxvt_color xcol;
708 int i;
709
710 if (color == NULL || *color == '\0')
711 return;
712
713/* handle color aliases */
714 if (isdigit(*color)) {
715 i = atoi(color);
716 if (i >= 8 && i <= 15) { /* bright colors */
717 i -= 8;
718# ifndef NO_BRIGHTCOLOR
719 R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
720 SET_PIXCOLOR(R, idx);
721 goto Done;
722# endif
723 }
724 if (i >= 0 && i <= 7) { /* normal colors */
725 R->PixColors[idx] = R->PixColors[minCOLOR + i];
726 SET_PIXCOLOR(R, idx);
727 goto Done;
728 }
729 }
730 if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
731 return;
732/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
733
734/*
735 * FIXME: should free colors here, but no idea how to do it so instead,
736 * so just keep gobbling up the colormap
737 */
738# if 0
739 for (i = Color_Black; i <= Color_White; i++)
740 if (R->PixColors[idx] == R->PixColors[i])
741 break;
742 if (i > Color_White) {
743 /* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
744 XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
745 DisplayPlanes(R->Xdisplay, Xscreen));
746 }
747# endif
748
749 R->PixColors[idx] = xcol;
750 SET_PIXCOLOR(R, idx);
751
752/* XSetWindowAttributes attr; */
753/* Cursor cursor; */
754 Done:
755 if (idx == Color_bg && !(R->Options & Opt_transparent))
756 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
757 R->PixColors[Color_bg]);
758
759/* handle Color_BD, scrollbar background, etc. */
760
761 rxvt_set_colorfgbg(aR);
762 rxvt_recolour_cursor(aR);
763/* the only reasonable way to enforce a clean update */
764 rxvt_scr_poweron(aR);
765}
766
767#else
768# define rxvt_set_window_color(aR_ idx,color) ((void)0) 986# define set_window_color (idx,color) ((void)0)
769#endif /* XTERM_COLOR_CHANGE */ 987#endif /* XTERM_COLOR_CHANGE */
770 988
771/* EXTPROTO */
772void 989void
773rxvt_recolour_cursor(pR) 990rxvt_term::recolour_cursor ()
774{ 991{
775 rxvt_color xcol[2]; 992 XColor xcol[2];
776 993
777#if TODO 994 xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
778 xcol[0] = R->PixColors[Color_pointer]; 995 ? pix_colors_focused[Color_pointer_fg]
779 xcol[1] = R->PixColors[Color_bg]; 996 : pix_colors_focused[Color_fg];
780 XQueryColors(R->Xdisplay, XCMAP, xcol, 2); 997 xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
998 ? pix_colors_focused[Color_pointer_bg]
999 : pix_colors_focused[Color_bg];
1000
1001 XQueryColors (display->display, display->cmap, xcol, 2);
781 XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1])); 1002 XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
782#endif
783} 1003}
784 1004
785/*----------------------------------------------------------------------*/ 1005/*----------------------------------------------------------------------*/
786/* 1006/*
787 * find if fg/bg matches any of the normal (low-intensity) colors 1007 * find if fg/bg matches any of the normal (low-intensity) colors
788 */ 1008 */
789/* INTPROTO */
790void 1009void
791rxvt_set_colorfgbg(pR) 1010rxvt_term::set_colorfgbg ()
792{ 1011{
793 unsigned int i; 1012 unsigned int i;
794 const char *xpmb = "\0"; 1013 const char *xpmb = "\0";
795 char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1]; 1014 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
796 1015
797 R->env_colorfgbg =
798 (char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1); 1016 env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
799 STRCPY(fstr, "default"); 1017 strcpy (fstr, "default");
800 STRCPY(bstr, "default"); 1018 strcpy (bstr, "default");
801 for (i = Color_Black; i <= Color_White; i++) 1019 for (i = Color_Black; i <= Color_White; i++)
802 if (R->PixColors[Color_fg] == R->PixColors[i]) { 1020 if (pix_colors[Color_fg] == pix_colors[i])
1021 {
803 sprintf(fstr, "%d", (i - Color_Black)); 1022 sprintf (fstr, "%d", (i - Color_Black));
804 break; 1023 break;
805 } 1024 }
1025
806 for (i = Color_Black; i <= Color_White; i++) 1026 for (i = Color_Black; i <= Color_White; i++)
807 if (R->PixColors[Color_bg] == R->PixColors[i]) { 1027 if (pix_colors[Color_bg] == pix_colors[i])
1028 {
808 sprintf(bstr, "%d", (i - Color_Black)); 1029 sprintf (bstr, "%d", (i - Color_Black));
809#ifdef XPM_BACKGROUND 1030#ifdef XPM_BACKGROUND
810 xpmb = "default;"; 1031 xpmb = "default;";
811#endif 1032#endif
812 break; 1033 break;
813 } 1034 }
1035
814 sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); 1036 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
815 putenv(R->env_colorfgbg);
816
817#ifndef NO_BRIGHTCOLOR
818 R->colorfgbg = DEFAULT_RSTYLE;
819 for (i = minCOLOR; i <= maxCOLOR; i++) {
820 if (R->PixColors[Color_fg] == R->PixColors[i])
821 R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
822 if (R->PixColors[Color_bg] == R->PixColors[i])
823 R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
824 }
825#endif
826} 1037}
827 1038
828/*----------------------------------------------------------------------*/ 1039/*----------------------------------------------------------------------*/
829/*
830 * Colour determination for low colour displays, routine from
831 * Hans de Goede <hans@highrise.nl>
832 */
833 1040
834/* EXTPROTO */
835int 1041int
836rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour) 1042rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
837{ 1043{
838 screen_in_out->set(aR_ colour);
839
840 if (!screen_in_out->set(aR_ colour)) { 1044 if (!screen_in_out->set (display, colour))
841 rxvt_print_error("can't allocate colour: %s", colour); 1045 {
1046 rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
842 return false; 1047 return false;
843 } 1048 }
844 1049
845 return true; 1050 return true;
846} 1051}
847 1052
848/* -------------------------------------------------------------------- * 1053/* -------------------------------------------------------------------- *
849 * - WINDOW RESIZING - * 1054 * - WINDOW RESIZING - *
850 * -------------------------------------------------------------------- */ 1055 * -------------------------------------------------------------------- */
851/* EXTPROTO */
852void 1056void
853rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height, 1057rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
854 int ignoreparent)
855{ 1058{
856 int fix_screen; 1059 int fix_screen;
1060 int old_width = szHint.width, old_height = szHint.height;
1061 dDisp;
857 1062
1063 window_calc (newwidth, newheight);
1064 XSetWMNormalHints (disp, parent[0], &szHint);
1065
1066 if (!ignoreparent)
1067 {
858#ifdef SMART_RESIZE 1068#ifdef SMART_RESIZE
859 int old_width = R->szHint.width, old_height = R->szHint.height; 1069 /*
860#endif
861
862 rxvt_window_calc(aR_ width, height);
863 XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
864 if (!ignoreparent) {
865#ifdef SMART_RESIZE
866/*
867 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> 1070 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
868 * reposition window on resize depending on placement on screen 1071 * reposition window on resize depending on placement on screen
869 */ 1072 */
870 int x, y, x1, y1; 1073 int x, y, x1, y1;
871 int dx, dy; 1074 int dx, dy;
872 unsigned int unused_w1, unused_h1, unused_b1, unused_d1; 1075 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
873 Window unused_cr; 1076 Window unused_cr;
874 1077
875 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot, 1078 XTranslateCoordinates (disp, parent[0], display->root,
876 0, 0, &x, &y, &unused_cr); 1079 0, 0, &x, &y, &unused_cr);
877 XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1, 1080 XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
878 &unused_w1, &unused_h1, &unused_b1, &unused_d1); 1081 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
879 /* 1082 /*
880 * if Xroot isn't the parent window, a WM will probably have offset 1083 * if display->root isn't the parent window, a WM will probably have offset
881 * our position for handles and decorations. Counter it 1084 * our position for handles and decorations. Counter it
882 */ 1085 */
883 if (x1 != x || y1 != y) { 1086 if (x1 != x || y1 != y)
1087 {
884 x -= x1; 1088 x -= x1;
885 y -= y1; 1089 y -= y1;
886 } 1090 }
887 1091
888 x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2; 1092 x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
889 y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2; 1093 y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
890 dx = old_width - R->szHint.width; 1094 dx = old_width - szHint.width;
891 dy = old_height - R->szHint.height; 1095 dy = old_height - szHint.height;
892 1096
893 /* Check position of the center of the window */ 1097 /* Check position of the center of the window */
894 if (x < x1) /* left half */ 1098 if (x < x1) /* left half */
895 dx = 0; 1099 dx = 0;
896 else if (x == x1) /* exact center */ 1100 else if (x == x1) /* exact center */
897 dx /= 2; 1101 dx /= 2;
898 if (y < y1) /* top half */ 1102 if (y < y1) /* top half */
899 dy = 0; 1103 dy = 0;
900 else if (y == y1) /* exact center */ 1104 else if (y == y1) /* exact center */
901 dy /= 2; 1105 dy /= 2;
902 1106
903 XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy, 1107 XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
904 R->szHint.width, R->szHint.height); 1108 szHint.width, szHint.height);
905#else 1109#else
906 XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width, 1110 XResizeWindow (disp, parent[0], szHint.width, szHint.height);
907 R->szHint.height);
908#endif 1111#endif
909 } 1112 }
910 1113
911 fix_screen = (R->TermWin.ncol != R->prev_ncol 1114 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
912 || R->TermWin.nrow != R->prev_nrow); 1115
913 if (fix_screen || width != R->old_width || height != R->old_height) { 1116 if (fix_screen || newwidth != old_width || newheight != old_height)
914 if (scrollbar_visible(R)) { 1117 {
1118 if (scrollBar.state)
1119 {
915 XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x, 1120 XMoveResizeWindow (disp, scrollBar.win,
1121 window_sb_x, 0,
916 0, scrollbar_TotalWidth(), R->szHint.height); 1122 scrollbar_TotalWidth (), szHint.height);
917 rxvt_Resize_scrollBar(aR); 1123 resize_scrollbar ();
918 } 1124 }
919 if (menubar_visible(R)) 1125
920 XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x, 1126 XMoveResizeWindow (disp, vt,
921 0, TermWin_TotalWidth(), menuBar_TotalHeight()); 1127 window_vt_x, window_vt_y,
922 XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
923 R->window_vt_y, TermWin_TotalWidth(),
924 TermWin_TotalHeight()); 1128 width, height);
925#ifdef RXVT_GRAPHICS 1129
926 if (R->old_height)
927 rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
928 R->old_height - R->szHint.base_height);
929#endif
930 rxvt_scr_clear(aR); 1130 scr_clear ();
931#ifdef XPM_BACKGROUND 1131#ifdef XPM_BACKGROUND
932 rxvt_resize_pixmap(aR); 1132 resize_pixmap ();
933#endif 1133#endif
934 } 1134 }
935 1135
936 if (fix_screen || R->old_height == 0) { 1136 if (fix_screen || old_height == 0)
1137 {
937 int curr_screen = -1; 1138 int curr_screen = -1;
938 uint16_t old_ncol = R->prev_ncol; 1139 int old_ncol = prev_ncol;
939 1140
940 /* scr_reset only works on the primary screen */ 1141 /* scr_reset only works on the primary screen */
941 if (R->old_height) /* this is not the first time through */ 1142 if (old_height) /* this is not the first time through */
1143 {
1144 unsigned int ocol = ncol;
1145 ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
942 curr_screen = rxvt_scr_change_screen(aR_ PRIMARY); 1146 curr_screen = scr_change_screen (PRIMARY);
943 rxvt_scr_reset(aR); 1147 ncol = ocol;
944 if (curr_screen >= 0) { /* this is not the first time through */
945 rxvt_scr_change_screen(aR_ curr_screen);
946 rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
947 } 1148 }
948 }
949 1149
1150 scr_reset ();
1151
1152 if (curr_screen >= 0) /* this is not the first time through */
1153 {
1154 scr_change_screen (curr_screen);
1155 selection_check (old_ncol != ncol ? 4 : 0);
1156 }
1157 }
1158
950 R->old_width = R->szHint.width; 1159 old_width = szHint.width;
951 R->old_height = R->szHint.height; 1160 old_height = szHint.height;
1161
1162#ifdef XPM_BACKGROUND
1163 if (pixmap)
1164 scr_touch (false);
1165#endif
952 1166
953#ifdef USE_XIM 1167#ifdef USE_XIM
954 rxvt_IMSetStatusPosition(aR); 1168 IMSetStatusPosition ();
955#endif 1169#endif
956} 1170}
957 1171
958/* 1172/*
959 * Set the width/height of the vt window in characters. Units are pixels. 1173 * Set the width/height of the vt window in characters. Units are pixels.
960 * good for toggling 80/132 columns 1174 * good for toggling 80/132 columns
961 */ 1175 */
962/* EXTPROTO */
963void 1176void
964rxvt_set_widthheight(pR_ unsigned int width, unsigned int height) 1177rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
965{ 1178{
966 XWindowAttributes wattr; 1179 XWindowAttributes wattr;
967 1180
968 if (width == 0 || height == 0) { 1181 if (newwidth == 0 || newheight == 0)
1182 {
969 XGetWindowAttributes(R->Xdisplay, Xroot, &wattr); 1183 XGetWindowAttributes (display->display, display->root, &wattr);
1184
970 if (width == 0) 1185 if (newwidth == 0)
971 width = wattr.width - R->szHint.base_width; 1186 newwidth = wattr.width - szHint.base_width;
972 if (height == 0) 1187 if (newheight == 0)
973 height = wattr.height - R->szHint.base_height; 1188 newheight = wattr.height - szHint.base_height;
1189 }
1190
1191 if (newwidth != width || newheight != height)
974 } 1192 {
975 if (width != R->TermWin.width || height != R->TermWin.height) {
976 width += R->szHint.base_width; 1193 newwidth += szHint.base_width;
977 height += R->szHint.base_height; 1194 newheight += szHint.base_height;
978 rxvt_resize_all_windows(aR_ width, height, 0); 1195 resize_all_windows (newwidth, newheight, 0);
979 } 1196 }
980} 1197}
981 1198
982/* -------------------------------------------------------------------- * 1199/* -------------------------------------------------------------------- *
983 * - X INPUT METHOD ROUTINES - * 1200 * - X INPUT METHOD ROUTINES - *
984 * -------------------------------------------------------------------- */ 1201 * -------------------------------------------------------------------- */
985#ifdef USE_XIM 1202#ifdef USE_XIM
986/* INTPROTO */
987void
988rxvt_setSize(pR_ XRectangle * size)
989{
990 size->x = R->TermWin.int_bwidth;
991 size->y = R->TermWin.int_bwidth;
992 size->width = Width2Pixel(R->TermWin.ncol);
993 size->height = Height2Pixel(R->TermWin.nrow);
994}
995 1203
996/* INTPROTO */
997void 1204void
998rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg) 1205rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
999{ 1206{
1000 *fg = R->PixColors[Color_fg]; 1207 fg = pix_colors[Color_fg];
1001 *bg = R->PixColors[Color_bg]; 1208 bg = pix_colors[Color_bg];
1209}
1210
1211void
1212rxvt_term::im_set_size (XRectangle &size)
1213{
1214 // the int_bwidth terms make no sense to me
1215 size.x = int_bwidth;
1216 size.y = int_bwidth;
1217 size.width = Width2Pixel (ncol) + int_bwidth;
1218 size.height = Height2Pixel (nrow) + int_bwidth;
1219}
1220
1221void
1222rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1223 XRectangle &status_rect,
1224 const XRectangle &needed_rect)
1225{
1226 preedit_rect.x = needed_rect.width;
1227 preedit_rect.y = 0;
1228 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1229 preedit_rect.height = fheight;
1230
1231 status_rect.x = 0;
1232 status_rect.y = 0;
1233 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1234 status_rect.height = fheight;
1002} 1235}
1003 1236
1004/* Checking whether input method is running. */ 1237/* Checking whether input method is running. */
1005/* INTPROTO */
1006Bool 1238bool
1007rxvt_IMisRunning(pR) 1239rxvt_term::IMisRunning ()
1008{ 1240{
1009 char *p; 1241 char *p;
1010 Atom atom; 1242 Atom atom;
1011 Window win; 1243 Window win;
1012 char server[IMBUFSIZ]; 1244 char server[IMBUFSIZ];
1013 1245
1014/* get current locale modifier */ 1246 /* get current locale modifier */
1015 if ((p = XSetLocaleModifiers(NULL)) != NULL) { 1247 if ((p = XSetLocaleModifiers (NULL)) != NULL)
1248 {
1016 STRCPY(server, "@server="); 1249 strcpy (server, "@server=");
1017 STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */ 1250 strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1251
1018 if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */ 1252 if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1019 *p = '\0'; 1253 *p = '\0';
1020 1254
1021 atom = XInternAtom(R->Xdisplay, server, False); 1255 atom = XInternAtom (display->display, server, False);
1022 win = XGetSelectionOwner(R->Xdisplay, atom); 1256 win = XGetSelectionOwner (display->display, atom);
1257
1023 if (win != None) 1258 if (win != None)
1024 return True; 1259 return True;
1025 } 1260 }
1261
1026 return False; 1262 return False;
1027} 1263}
1028 1264
1029/* EXTPROTO */
1030void 1265void
1031rxvt_IMSendSpot(pR) 1266rxvt_term::IMSendSpot ()
1032{ 1267{
1033 XPoint spot; 1268 XPoint nspot;
1034 XVaNestedList preedit_attr; 1269 XVaNestedList preedit_attr;
1035 1270
1036 if (R->Input_Context == NULL 1271 if (!Input_Context
1272 || !focus
1037 || !R->TermWin.focus || !(R->input_style & XIMPreeditPosition) 1273 || !(input_style & XIMPreeditPosition))
1038 || !(R->event_type == KeyPress
1039 || R->event_type == Expose
1040 || R->event_type == NoExpose
1041 || R->event_type == SelectionNotify
1042 || R->event_type == ButtonRelease || R->event_type == FocusIn)
1043 || !rxvt_IMisRunning(aR))
1044 return; 1274 return;
1045 1275
1046 rxvt_setPosition(aR_ & spot); 1276 im_set_position (nspot);
1047 1277
1278 if (nspot.x == spot.x && nspot.y == spot.y)
1279 return;
1280
1281 spot = nspot;
1282
1048 preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL); 1283 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1049 XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL); 1284 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1050 XFree(preedit_attr); 1285 XFree (preedit_attr);
1051} 1286}
1052 1287
1053/* EXTPROTO */
1054void 1288void
1055rxvt_setTermFontSet(pR_ int idx) 1289rxvt_term::im_destroy ()
1056{ 1290{
1057 char *string; 1291 if (input_method)
1058 long length;
1059 int success = 0;
1060
1061 if (idx < 0 || idx >= MAX_NFONTS)
1062 return;
1063}
1064
1065/* INTPROTO */
1066void
1067rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1068 XRectangle * needed_rect)
1069{
1070 int mbh, vtx = 0;
1071
1072 if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1073 vtx = scrollbar_TotalWidth();
1074 mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1075 mbh -= R->TermWin.lineSpace;
1076
1077 preedit_rect->x = needed_rect->width + vtx;
1078 preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1079
1080 preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1081 + vtx;
1082 preedit_rect->height = Height2Pixel(1);
1083
1084 status_rect->x = vtx;
1085 status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1086
1087 status_rect->width = needed_rect->width ? needed_rect->width
1088 : Width2Pixel(R->TermWin.ncol + 1);
1089 status_rect->height = Height2Pixel(1);
1090}
1091
1092/* ARGSUSED */
1093/* INTPROTO */
1094void
1095rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1096 __attribute__ ((unused)), XPointer call_data
1097 __attribute__ ((unused)))
1098{
1099 dR;
1100
1101 R->Input_Context = NULL;
1102/* To avoid Segmentation Fault in C locale: Solaris only? */
1103 if (STRCMP(R->locale, "C"))
1104 XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1105 rxvt_IMInstantiateCallback, NULL);
1106}
1107
1108/*
1109 * X manual pages and include files don't match on some systems:
1110 * some think this is an XIDProc and others an XIMProc so we can't
1111 * use the first argument - need to update this to be nice for
1112 * both types via some sort of configure detection
1113 */
1114/* ARGSUSED */
1115/* EXTPROTO */
1116void
1117rxvt_IMInstantiateCallback(Display * unused
1118 __attribute__ ((unused)), XPointer client_data
1119 __attribute__ ((unused)), XPointer call_data
1120 __attribute__ ((unused)))
1121{
1122 dR;
1123 int i, found, had_im;
1124 const char *p;
1125 char **s;
1126 char buf[IMBUFSIZ];
1127
1128 D_MAIN((stderr, "rxvt_IMInstantiateCallback()"));
1129 if (R->Input_Context)
1130 return;
1131
1132 found = had_im = 0;
1133 p = R->rs[Rs_inputMethod];
1134 if (p && *p) {
1135 had_im = 1;
1136 s = rxvt_splitcommastring(p);
1137 for (i = 0; s[i]; i++) {
1138 if (*s[i]) {
1139 STRCPY(buf, "@im=");
1140 STRNCAT(buf, s[i], IMBUFSIZ - 5);
1141 if ((p = XSetLocaleModifiers(buf)) != NULL && *p
1142 && (rxvt_IM_get_IC(aR) == True)) {
1143 found = 1;
1144 break;
1145 }
1146 }
1147 }
1148 for (i = 0; s[i]; i++)
1149 free(s[i]);
1150 free(s);
1151 } 1292 {
1152 if (found) 1293 if (Input_Context && input_method->xim)
1153 return; 1294 XDestroyIC (Input_Context);
1154 1295
1155/* try with XMODIFIERS env. var. */ 1296 display->put_xim (input_method);
1156 if ((p = XSetLocaleModifiers("")) != NULL && *p) { 1297 input_method = 0;
1157 rxvt_IM_get_IC(aR);
1158 return;
1159 } 1298 }
1160 1299
1161/* try with no modifiers base IF the user didn't specify an IM */ 1300 Input_Context = 0;
1162 if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p
1163 && rxvt_IM_get_IC(aR) == True)
1164 return;
1165} 1301}
1166 1302
1167/* 1303/*
1168 * Try to open a XIM with the current modifiers, then see if we can 1304 * Try to open a XIM with the current modifiers, then see if we can
1169 * open a suitable preedit type 1305 * open a suitable preedit type
1170 */ 1306 */
1171/* INTPROTO */
1172Bool 1307bool
1173rxvt_IM_get_IC(pR) 1308rxvt_term::IM_get_IC (const char *modifiers)
1174{ 1309{
1175 int i, j, found; 1310 int i, j, found;
1176 XIM xim; 1311 XIM xim;
1177 XPoint spot; 1312 XPoint spot;
1178 XRectangle rect, status_rect, needed_rect; 1313 XRectangle rect, status_rect, needed_rect;
1179 unsigned long fg, bg; 1314 unsigned long fg, bg;
1180 const char *p; 1315 const char *p;
1181 char **s; 1316 char **s;
1182 XIMStyles *xim_styles; 1317 XIMStyles *xim_styles;
1183 XVaNestedList preedit_attr, status_attr;
1184 XIMCallback ximcallback;
1185 1318
1319 set_environ (envv);
1320
1321 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1322 return false;
1323
1186 D_MAIN((stderr, "rxvt_IM_get_IC()")); 1324 D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1187 xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL); 1325 input_method = display->get_xim (locale, modifiers);
1188 if (xim == NULL) 1326 if (input_method == NULL)
1189 return False; 1327 return false;
1190 1328
1329 xim = input_method->xim;
1330 spot.x = spot.y = -1;
1331
1191 xim_styles = NULL; 1332 xim_styles = NULL;
1192 if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL) 1333 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1193 || !xim_styles || !xim_styles->count_styles) { 1334 || !xim_styles || !xim_styles->count_styles)
1194 XCloseIM(xim); 1335 {
1336 im_destroy ();
1195 return False; 1337 return false;
1338 }
1339
1340 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1341
1342 for (int pi = 0; pi < 2; pi++)
1196 } 1343 {
1344 p = pet[pi];
1197 1345
1198 p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType] 1346 if (!p)
1199 : "OverTheSpot,OffTheSpot,Root"; 1347 continue;
1348
1200 s = rxvt_splitcommastring(p); 1349 s = rxvt_splitcommastring (p);
1350
1201 for (i = found = 0; !found && s[i]; i++) { 1351 for (i = found = 0; !found && s[i]; i++)
1352 {
1202 if (!STRCMP(s[i], "OverTheSpot")) 1353 if (!strcmp (s[i], "OverTheSpot"))
1203 R->input_style = (XIMPreeditPosition | XIMStatusNothing); 1354 input_style = (XIMPreeditPosition | XIMStatusNothing);
1204 else if (!STRCMP(s[i], "OffTheSpot")) 1355 else if (!strcmp (s[i], "OffTheSpot"))
1205 R->input_style = (XIMPreeditArea | XIMStatusArea); 1356 input_style = (XIMPreeditArea | XIMStatusArea);
1206 else if (!STRCMP(s[i], "Root")) 1357 else if (!strcmp (s[i], "Root"))
1207 R->input_style = (XIMPreeditNothing | XIMStatusNothing); 1358 input_style = (XIMPreeditNothing | XIMStatusNothing);
1359 else if (!strcmp (s[i], "None"))
1360 input_style = (XIMPreeditNone | XIMStatusNone);
1208 1361
1209 for (j = 0; j < xim_styles->count_styles; j++) 1362 for (j = 0; j < xim_styles->count_styles; j++)
1210 if (R->input_style == xim_styles->supported_styles[j]) { 1363 if (input_style == xim_styles->supported_styles[j])
1364 {
1365 rxvt_freecommastring (s);
1366
1211 found = 1; 1367 found = 1;
1368 goto foundpet;
1369 }
1370
1371 }
1372
1373 rxvt_freecommastring (s);
1374 }
1375
1376foundpet:
1377
1378 XFree (xim_styles);
1379
1380 if (!found)
1381 {
1382 im_destroy ();
1383 return false;
1384 }
1385
1386 XFontSet fs = 0;
1387 XVaNestedList preedit_attr = 0, status_attr = 0;
1388
1389 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1390 {
1391 // fake us a font-set, please
1392 char **missing_charset_list;
1393 int missing_charset_count;
1394 char *def_string;
1395 char pat[512];
1396
1397 sprintf (pat,
1398 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1399 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1400 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1401 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1402 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1403 "*",
1404 fheight,
1405 fheight + 1, fheight - 1,
1406 fheight - 2, fheight + 2);
1407
1408 fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1409 &missing_charset_list, &missing_charset_count, &def_string);
1410
1411 if (missing_charset_list)
1412 XFreeStringList (missing_charset_list);
1413
1414 if (!fs)
1415 {
1416 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1417 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1418 }
1419 }
1420
1421 if (input_style & XIMPreeditPosition)
1422 {
1423 im_set_size (rect);
1424 im_set_position (spot);
1425 im_set_color (fg, bg);
1426
1427 preedit_attr = XVaCreateNestedList (0,
1428 XNForeground, fg,
1429 XNBackground, bg,
1430 XNArea, &rect,
1431 XNSpotLocation, &spot,
1432 XNFontSet, fs,
1433 NULL);
1434 }
1435 else if (input_style & XIMPreeditArea)
1436 {
1437 im_set_color (fg, bg);
1438
1439 /*
1440 * The necessary width of preedit area is unknown
1441 * until create input context.
1442 */
1443 needed_rect.width = 0;
1444 im_set_preedit_area (rect, status_rect, needed_rect);
1445
1446 preedit_attr = XVaCreateNestedList (0,
1447 XNForeground, fg,
1448 XNBackground, bg,
1449 XNArea, &rect,
1450 XNFontSet, fs,
1451 NULL);
1452 status_attr = XVaCreateNestedList (0,
1453 XNForeground, fg,
1454 XNBackground, bg,
1455 XNArea, &status_rect,
1456 XNFontSet, fs,
1457 NULL);
1458 }
1459
1460 Input_Context = XCreateIC (xim,
1461 XNInputStyle, input_style,
1462 XNClientWindow, vt,
1463 XNFocusWindow, parent[0],
1464 preedit_attr ? XNPreeditAttributes : NULL,
1465 preedit_attr,
1466 status_attr ? XNStatusAttributes : NULL,
1467 status_attr, NULL);
1468
1469 if (preedit_attr) XFree (preedit_attr);
1470 if (status_attr) XFree (status_attr);
1471 if (fs) XFreeFontSet (display->display, fs);
1472
1473 if (Input_Context == NULL)
1474 {
1475 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1476 im_destroy ();
1477 return false;
1478 }
1479
1480 if (input_style & XIMPreeditArea)
1481 IMSetStatusPosition ();
1482
1483 D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1484 return true;
1485}
1486
1487void
1488rxvt_term::im_cb ()
1489{
1490 int i;
1491 const char *p;
1492 char **s;
1493 char buf[IMBUFSIZ];
1494
1495 make_current ();
1496
1497 im_destroy ();
1498
1499 D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1500 if (Input_Context)
1501 return;
1502
1503#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1504 if (rs[Rs_imLocale])
1505 SET_LOCALE (rs[Rs_imLocale]);
1506#endif
1507
1508 p = rs[Rs_inputMethod];
1509 if (p && *p)
1510 {
1511 bool found = false;
1512
1513 s = rxvt_splitcommastring (p);
1514
1515 for (i = 0; s[i]; i++)
1516 {
1517 if (*s[i])
1518 {
1519 strcpy (buf, "@im=");
1520 strncat (buf, s[i], IMBUFSIZ - 5);
1521 if (IM_get_IC (buf))
1522 {
1523 found = true;
1212 break; 1524 break;
1525 }
1213 } 1526 }
1214 } 1527 }
1215 for (i = 0; s[i]; i++)
1216 free(s[i]);
1217 free(s);
1218 XFree(xim_styles);
1219 1528
1529 rxvt_freecommastring (s);
1530
1220 if (!found) { 1531 if (found)
1221 XCloseIM(xim); 1532 goto done;
1222 return False;
1223 } 1533 }
1224 1534
1225 ximcallback.callback = rxvt_IMDestroyCallback; 1535 /* try with XMODIFIERS env. var. */
1536 if (IM_get_IC (""))
1537 goto done;
1226 1538
1227/* XXX: not sure why we need this (as well as IC one below) */ 1539 /* try with no modifiers base IF the user didn't specify an IM */
1228 XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL); 1540 if (IM_get_IC ("@im=none"))
1541 goto done;
1229 1542
1230 preedit_attr = status_attr = NULL; 1543done:
1231 1544#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1232 if (R->input_style & XIMPreeditPosition) { 1545 if (rs[Rs_imLocale])
1233 rxvt_setSize(aR_ & rect); 1546 SET_LOCALE (locale);
1234 rxvt_setPosition(aR_ & spot); 1547#endif
1235 rxvt_setColor(aR_ & fg, &bg);
1236
1237 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1238 XNSpotLocation, &spot,
1239 XNForeground, fg, XNBackground, bg,
1240 //XNFontSet, R->TermWin.fontset,
1241 NULL);
1242 } else if (R->input_style & XIMPreeditArea) {
1243 rxvt_setColor(aR_ & fg, &bg);
1244
1245 /*
1246 * The necessary width of preedit area is unknown
1247 * until create input context.
1248 */
1249 needed_rect.width = 0;
1250
1251 rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1252
1253 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1254 XNForeground, fg, XNBackground, bg,
1255 //XNFontSet, R->TermWin.fontset,
1256 NULL);
1257 status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1258 XNForeground, fg, XNBackground, bg,
1259 //XNFontSet, R->TermWin.fontset,
1260 NULL);
1261 }
1262 R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1263 XNClientWindow, R->TermWin.parent[0],
1264 XNFocusWindow, R->TermWin.parent[0],
1265 XNDestroyCallback, &ximcallback,
1266 preedit_attr ? XNPreeditAttributes : NULL,
1267 preedit_attr,
1268 status_attr ? XNStatusAttributes : NULL,
1269 status_attr, NULL);
1270 if (preedit_attr)
1271 XFree(preedit_attr);
1272 if (status_attr)
1273 XFree(status_attr);
1274 if (R->Input_Context == NULL) {
1275 rxvt_print_error("failed to create input context");
1276 XCloseIM(xim);
1277 return False;
1278 }
1279 if (R->input_style & XIMPreeditArea)
1280 rxvt_IMSetStatusPosition(aR);
1281 D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1282 return True;
1283} 1548}
1284 1549
1285/* EXTPROTO */
1286void 1550void
1287rxvt_IMSetStatusPosition(pR) 1551rxvt_term::IMSetStatusPosition ()
1288{ 1552{
1289 XRectangle preedit_rect, status_rect, *needed_rect; 1553 XRectangle preedit_rect, status_rect, *needed_rect;
1290 XVaNestedList preedit_attr, status_attr; 1554 XVaNestedList preedit_attr, status_attr;
1291 1555
1292 if (R->Input_Context == NULL 1556 if (!Input_Context
1557 || !focus
1293 || !R->TermWin.focus || !(R->input_style & XIMPreeditArea) 1558 || !(input_style & XIMPreeditArea)
1294 || !rxvt_IMisRunning(aR)) 1559 || !IMisRunning ())
1295 return; 1560 return;
1296 1561
1297/* Getting the necessary width of preedit area */ 1562 /* Getting the necessary width of preedit area */
1298 status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL); 1563 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1299 XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL); 1564 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1300 XFree(status_attr); 1565 XFree (status_attr);
1301 1566
1302 rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect); 1567 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1568 XFree (needed_rect);
1303 1569
1304 preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL); 1570 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1305 status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL); 1571 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1306 1572
1307 XSetICValues(R->Input_Context, 1573 XSetICValues (Input_Context,
1308 XNPreeditAttributes, preedit_attr, 1574 XNPreeditAttributes, preedit_attr,
1309 XNStatusAttributes, status_attr, NULL); 1575 XNStatusAttributes, status_attr, NULL);
1310 1576
1311 XFree(preedit_attr); 1577 XFree (preedit_attr);
1312 XFree(status_attr); 1578 XFree (status_attr);
1313} 1579}
1314#endif /* USE_XIM */ 1580#endif /* USE_XIM */
1315 1581
1316/*----------------------------------------------------------------------*/
1317rxvt_t rxvt_current_term;
1318
1319/*----------------------- end-of-file (C source) -----------------------*/ 1582/*----------------------- end-of-file (C source) -----------------------*/

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