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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.11 by pcg, Mon Dec 8 23:14:40 2003 UTC vs.
Revision 1.211 by root, Tue Jan 31 16:57:35 2006 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*--------------------------------*-C-*---------------------------------*
2 * File: main.c 2 * File: main.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: main.C,v 1.11 2003/12/08 23:14:40 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),
184 pty_ev (this, &rxvt_term::pty_cb),
72 check_ev (this, &rxvt_term::check_cb) 185 incr_ev (this, &rxvt_term::incr_cb)
73{ 186{
74 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;
75} 204}
76 205
77rxvt_term::~rxvt_term () 206rxvt_term::~rxvt_term ()
78{ 207{
79 rxvt_scr_release (this); 208 termlist.erase (find (termlist.begin (), termlist.end(), this));
80 209
81#ifndef NO_SETOWNER_TTYDEV 210 emergency_cleanup ();
82 rxvt_privileged_ttydev (this, RESTORE); 211
212#if ENABLE_STYLES
213 for (int i = RS_styleCount; --i; )
214 if (fontset[i] != fontset[0])
215 delete fontset[i];
83#endif 216#endif
84#ifdef UTMP_SUPPORT 217 delete fontset[0];
85 rxvt_privileged_utmp (this, RESTORE); 218
86#endif 219 if (display)
220 {
221 selection_clear ();
222
87#ifdef USE_XIM 223#ifdef USE_XIM
88 if (Input_Context != NULL) 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 ();
89 { 258 }
90 XDestroyIC (Input_Context);
91 Input_Context = NULL;
92 }
93#endif
94 259
95 if (cmd_fd >= 0) 260 // TODO: free pixcolours, colours should become part of rxvt_display
96 close (cmd_fd); 261 delete pix_colors_focused;
262#if OFF_FOCUS_FADING
263 delete pix_colors_unfocused;
264#endif
97 265
98 if (Xfd >= 0) 266 displays.put (display);
99 XCloseDisplay (Xdisplay);
100 267
101 delete PixColors; 268 scr_release ();
269
270 /* clear all resources */
271 for (int i = 0; i < allocated.size (); i++)
272 free (allocated [i]);
273
274 free (selection.text);
275 // TODO: manage env vars in child only(!)
276 free (env_display);
277 free (env_term);
278 free (locale);
279 free (v_buffer);
280 free (incr_buf);
281
282 delete envv;
283 delete argv;
284
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 ();
102} 300}
103 301
104void 302void
105rxvt_term::destroy () 303rxvt_term::destroy ()
106{ 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
107 check_ev.stop (); 330 check_ev.stop ();
108 pty_ev.stop (); 331 pty_ev.stop ();
109 x_ev.stop ();
110#ifdef CURSOR_BLINK 332#ifdef CURSOR_BLINK
333 cursor_blink_ev.stop ();
334#endif
335#ifdef TEXT_BLINK
111 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 ();
112#endif 343#endif
113#ifdef POINTER_BLANK 344#ifdef POINTER_BLANK
114 pointer_ev.stop (); 345 pointer_ev.stop ();
115#endif 346#endif
116 347
… …
118} 349}
119 350
120void 351void
121rxvt_term::destroy_cb (time_watcher &w) 352rxvt_term::destroy_cb (time_watcher &w)
122{ 353{
123 SET_R (this); 354 make_current ();
124 355
125 delete this; 356 delete this;
126}
127
128/*----------------------------------------------------------------------*/
129/* rxvt_init() */
130/* LIBPROTO */
131rxvt_t
132rxvt_init (int argc, const char *const *argv)
133{
134 SET_R (new rxvt_term);
135 dR;
136
137 if (!R->init_vars () || !R->init (argc, argv))
138 {
139 delete R;
140 return NULL;
141 }
142
143 return R;
144}
145
146/* EXTPROTO */
147void
148rxvt_init_signals ()
149{
150/* install exit handler for cleanup */
151#if 0
152#ifdef HAVE_ATEXIT
153 atexit(rxvt_clean_exit);
154#else
155#endif
156#endif
157
158 struct sigaction sa;
159
160 sigfillset (&sa.sa_mask);
161 sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
162 sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
163 sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
164 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
165 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
166 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
167 sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
168
169/* need to trap SIGURG for SVR4 (Unixware) rlogin */
170/* signal (SIGURG, SIG_DFL); */
171
172 XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
173 //XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
174}
175
176bool
177rxvt_term::init (int argc, const char *const *argv)
178{
179 dR;//TODO (scrollbar, setidle)
180
181 /*
182 * Save and then give up any super-user privileges
183 * If we need privileges in any area then we must specifically request it.
184 * We should only need to be root in these cases:
185 * 1. write utmp entries on some systems
186 * 2. chown tty on some systems
187 */
188 rxvt_privileges (this, SAVE);
189 rxvt_privileges (this, IGNORE);
190
191 rxvt_init_secondary (this);
192
193 const char **cmd_argv = rxvt_init_resources (this, argc, argv);
194
195#if (MENUBAR_MAX)
196 rxvt_menubar_read (this, rs[Rs_menu]);
197#endif
198#ifdef HAVE_SCROLLBARS
199 if (Options & Opt_scrollBar)
200 scrollbar_setIdle (); /* set existence for size calculations */
201#endif
202
203 rxvt_Create_Windows (this, argc, argv);
204
205 rxvt_init_xlocale (this);
206
207 rxvt_scr_reset (this); /* initialize screen */
208#ifdef RXVT_GRAPHICS
209 rxvt_Gr_reset (this); /* reset graphics */
210#endif
211
212#if 0
213#ifdef DEBUG_X
214 XSynchronize(Xdisplay, True);
215#endif
216#endif
217
218#ifdef HAVE_SCROLLBARS
219 if (Options & Opt_scrollBar)
220 rxvt_Resize_scrollBar (this); /* create and map scrollbar */
221#endif
222#if (MENUBAR_MAX)
223 if (menubar_visible(r))
224 XMapWindow (Xdisplay, menuBar.win);
225#endif
226#ifdef TRANSPARENT
227 if (Options & Opt_transparent)
228 {
229 XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
230 rxvt_check_our_parents (this);
231 }
232#endif
233 XMapWindow (Xdisplay, TermWin.vt);
234 XMapWindow (Xdisplay, TermWin.parent[0]);
235
236 rxvt_init_env (this);
237 rxvt_init_command (this, cmd_argv);
238
239 x_ev.start (Xfd, EVENT_READ);
240 pty_ev.start (cmd_fd, EVENT_READ);
241
242 check_ev.start ();
243
244 process_x_events ();
245
246 return true;
247}
248
249/* ------------------------------------------------------------------------- *
250 * SIGNAL HANDLING & EXIT HANDLER *
251 * ------------------------------------------------------------------------- */
252/*
253 * Catch a SIGCHLD signal and exit if the direct child has died
254 */
255/* ARGSUSED */
256/* EXTPROTO */
257RETSIGTYPE
258rxvt_Child_signal(int sig __attribute__ ((unused)))
259{
260 int pid, save_errno = errno;
261 while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
262 ;
263 errno = save_errno;
264
265#if 0
266 if (pid == R->cmd_pid)
267 exit (EXIT_SUCCESS);
268#endif
269}
270
271/*
272 * Catch a fatal signal and tidy up before quitting
273 */
274/* EXTPROTO */
275RETSIGTYPE
276rxvt_Exit_signal(int sig)
277{
278 signal(sig, SIG_DFL);
279#ifdef DEBUG_CMD
280 rxvt_print_error("signal %d", sig);
281#endif
282 rxvt_clean_exit();
283 kill(getpid(), sig);
284}
285
286/* ARGSUSED */
287/* INTPROTO */
288int
289rxvt_xerror_handler(const Display * display
290 __attribute__ ((unused)), const XErrorEvent * event)
291{
292 dR;
293
294 if (R->allowedxerror == -1)
295 R->allowedxerror = event->error_code;
296 else
297 {
298 rxvt_print_error("XError: Request: %d . %d, Error: %d",
299 event->request_code, event->minor_code,
300 event->error_code);
301
302 R->destroy ();
303 }
304
305 return 0;
306} 357}
307 358
308/*----------------------------------------------------------------------*/ 359/*----------------------------------------------------------------------*/
309/* 360/*
310 * Exit gracefully, clearing the utmp entry and restoring tty attributes 361 * Exit gracefully, clearing the utmp entry and restoring tty attributes
311 * 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
312 */ 363 */
313/* EXTPROTO */ 364static XErrorHandler old_xerror_handler;
365
366static void
367rxvt_emergency_cleanup ()
368{
369 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
370 (*t)->emergency_cleanup ();
371}
372
373#if !ENABLE_MINIMAL
374static void
375print_x_error (Display *dpy, XErrorEvent *event)
376{
377 char buffer[BUFSIZ];
378 char mesg[BUFSIZ];
379 char number[32];
380 char *mtype = "XlibMessage";
381 XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
382 XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
383 rxvt_warn ("An X Error occured, trying to continue after report.\n");
384 rxvt_warn ("%s: %s\n", mesg, buffer);
385 XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
386 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
387 sprintf(number, "%d", event->request_code);
388 XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
389 rxvt_warn ("(which is %s)\n", buffer);
390 if (event->request_code >= 128) {
391 XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
392 mesg, BUFSIZ);
393 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
394 }
395 if ((event->error_code == BadWindow) ||
396 (event->error_code == BadPixmap) ||
397 (event->error_code == BadCursor) ||
398 (event->error_code == BadFont) ||
399 (event->error_code == BadDrawable) ||
400 (event->error_code == BadColor) ||
401 (event->error_code == BadGC) ||
402 (event->error_code == BadIDChoice) ||
403 (event->error_code == BadValue) ||
404 (event->error_code == BadAtom)) {
405 if (event->error_code == BadValue)
406 XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
407 mesg, BUFSIZ);
408 else if (event->error_code == BadAtom)
409 XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
410 mesg, BUFSIZ);
411 else
412 XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
413 mesg, BUFSIZ);
414 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
415 }
416 XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
417 mesg, BUFSIZ);
418 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
419}
420#endif
421
422int
423rxvt_xerror_handler (Display *display, XErrorEvent *event)
424{
425 if (GET_R->allowedxerror == -1)
426 GET_R->allowedxerror = event->error_code;
427 else
428 {
429 // GET_R is most likely not the terminal which caused the error,
430 // so just output the error and continue
431#if ENABLE_MINIMAL
432 old_xerror_handler (display, event);
433#else
434 print_x_error (display, event);
435#endif
436 }
437
438 return 0;
439}
440
441int
442rxvt_xioerror_handler (Display *display)
443{
444 rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
445 DisplayString (display));
446 rxvt_emergency_cleanup ();
447 _exit (EXIT_FAILURE);
448}
449
450/*----------------------------------------------------------------------*/
451bool
452rxvt_term::init (int argc, const char *const *argv, stringvec *envv)
453{
454 this->envv = envv;
455
456 SET_R (this);
457 set_locale ("");
458 set_environ (envv); // few things in X do not call setlocale :(
459
460 if (!init_vars ())
461 return false;
462
463 init_secondary ();
464
465 const char **cmd_argv = init_resources (argc, argv);
466
467#ifdef KEYSYM_RESOURCE
468 keyboard->register_done ();
469#endif
470
471#ifdef HAVE_SCROLLBARS
472 if (OPTION (Opt_scrollBar))
473 scrollBar.setIdle (); /* set existence for size calculations */
474#endif
475
476 pty = ptytty::create ();
477
478 create_windows (argc, argv);
479
480 init_xlocale ();
481
482 scr_reset (); // initialize screen
483
484#if 0
485 XSynchronize (xdisp, True);
486#endif
487
488#ifdef HAVE_SCROLLBARS
489 if (OPTION (Opt_scrollBar))
490 resize_scrollbar (); /* create and map scrollbar */
491#endif
492#ifdef TRANSPARENT
493 if (OPTION (Opt_transparent))
494 {
495 XSelectInput (xdisp, display->root, PropertyChangeMask);
496 check_our_parents ();
497 rootwin_ev.start (display, display->root);
498 }
499#endif
500
501 set_colorfgbg ();
502
503 init_command (cmd_argv);
504
505 free (cmd_argv);
506
507 if (pty->pty >= 0)
508 pty_ev.start (pty->pty, EVENT_READ);
509
510 check_ev.start ();
511
512 HOOK_INVOKE ((this, HOOK_START, DT_END));
513
514#if ENABLE_XEMBED
515 if (rs[Rs_embed])
516 {
517 long info[2] = { 0, XEMBED_MAPPED };
518
519 XChangeProperty (xdisp, parent[0], xa[XA_XEMBED_INFO], xa[XA_XEMBED_INFO],
520 32, PropModeReplace, (unsigned char *)&info, 2);
521 }
522#endif
523
524 XMapWindow (xdisp, vt);
525 XMapWindow (xdisp, parent[0]);
526
527 return true;
528}
529
530static struct sig_handlers
531{
532 sig_watcher sw_term, sw_int;
533
534 /*
535 * Catch a fatal signal and tidy up before quitting
536 */
314void 537 void
315rxvt_clean_exit () 538 sig_term (sig_watcher &w)
316{ 539 {
317 dR; 540 rxvt_emergency_cleanup ();
541 signal (w.signum, SIG_DFL);
542 kill (getpid (), w.signum);
543 }
318 544
319 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 ();
320} 575}
321 576
322/* ------------------------------------------------------------------------- * 577/* ------------------------------------------------------------------------- *
323 * MEMORY ALLOCATION WRAPPERS * 578 * MEMORY ALLOCATION WRAPPERS *
324 * ------------------------------------------------------------------------- */ 579 * ------------------------------------------------------------------------- */
325/* EXTPROTO */ 580void *
326void *
327rxvt_malloc(size_t size) 581rxvt_malloc (size_t size)
328{ 582{
329 void *p;
330
331 p = malloc(size); 583 void *p = malloc (size);
584
332 if (p) 585 if (!p)
586 rxvt_fatal ("memory allocation failure. aborting.\n");
587
333 return p; 588 return p;
334
335 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
336 rxvt_clean_exit();
337 exit(EXIT_FAILURE);
338/* NOTREACHED */
339} 589}
340 590
341/* EXTPROTO */ 591void *
342void *
343rxvt_calloc(size_t number, size_t size) 592rxvt_calloc (size_t number, size_t size)
344{ 593{
345 void *p;
346
347 p = calloc(number, size); 594 void *p = calloc (number, size);
595
348 if (p) 596 if (!p)
597 rxvt_fatal ("memory allocation failure. aborting.\n");
598
349 return p; 599 return p;
350
351 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
352 rxvt_clean_exit();
353 exit(EXIT_FAILURE);
354/* NOTREACHED */
355} 600}
356 601
357/* EXTPROTO */ 602void *
358void *
359rxvt_realloc(void *ptr, size_t size) 603rxvt_realloc (void *ptr, size_t size)
360{ 604{
361 void *p;
362
363 if (ptr)
364 p = realloc(ptr, size); 605 void *p = realloc (ptr, size);
365 else 606
366 p = malloc(size);
367 if (p) 607 if (!p)
608 rxvt_fatal ("memory allocation failure. aborting.\n");
609
368 return p; 610 return p;
369
370 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
371 rxvt_clean_exit();
372 exit(EXIT_FAILURE);
373/* NOTREACHED */
374} 611}
375
376/* ------------------------------------------------------------------------- *
377 * PRIVILEGED OPERATIONS *
378 * ------------------------------------------------------------------------- */
379/* take care of suid/sgid super-user (root) privileges */
380/* INTPROTO */
381void
382rxvt_privileges(pR_ int mode)
383{
384#if ! defined(__CYGWIN32__)
385# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
386/* setreuid() is the poor man's setuid(), seteuid() */
387# define seteuid(a) setreuid(-1, (a))
388# define setegid(a) setregid(-1, (a))
389# define HAVE_SETEUID
390# endif
391# ifdef HAVE_SETEUID
392 switch (mode) {
393 case IGNORE:
394 /*
395 * change effective uid/gid - not real uid/gid - so we can switch
396 * back to root later, as required
397 */
398 seteuid(getuid());
399 setegid(getgid());
400 break;
401 case SAVE:
402 R->euid = geteuid();
403 R->egid = getegid();
404 break;
405 case RESTORE:
406 seteuid(R->euid);
407 setegid(R->egid);
408 break;
409 }
410# else
411 switch (mode) {
412 case IGNORE:
413 setuid(getuid());
414 setgid(getgid());
415 /* FALLTHROUGH */
416 case SAVE:
417 /* FALLTHROUGH */
418 case RESTORE:
419 break;
420 }
421# endif
422#endif
423}
424
425#ifdef UTMP_SUPPORT
426/* EXTPROTO */
427void
428rxvt_privileged_utmp(pR_ char action)
429{
430 D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
431 action, R->next_utmp_action, getpid()));
432 if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
433 || (R->Options & Opt_utmpInhibit)
434 || R->ttydev == NULL || *R->ttydev == '\0')
435 return;
436
437 rxvt_privileges(aR_ RESTORE);
438 if (action == SAVE) {
439 R->next_utmp_action = RESTORE;
440 rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
441 } else { /* action == RESTORE */
442 R->next_utmp_action = IGNORE;
443 rxvt_cleanutent(aR);
444 }
445 rxvt_privileges(aR_ IGNORE);
446}
447#endif
448
449#ifndef NO_SETOWNER_TTYDEV
450/* EXTPROTO */
451void
452rxvt_privileged_ttydev(pR_ char action)
453{
454 D_MAIN((stderr,
455 "rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
456 action, R->next_tty_action, getpid()));
457 if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
458 || R->ttydev == NULL || *R->ttydev == '\0')
459 return;
460
461 rxvt_privileges(aR_ RESTORE);
462
463 if (action == SAVE) {
464 R->next_tty_action = RESTORE;
465# ifndef RESET_TTY_TO_COMMON_DEFAULTS
466/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
467 if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
468 R->next_tty_action = IGNORE;
469 else
470# endif
471 {
472 chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
473 chmod(R->ttydev, R->ttymode);
474# ifdef HAVE_REVOKE
475 revoke(R->ttydev);
476# endif
477 }
478 } else { /* action == RESTORE */
479 R->next_tty_action = IGNORE;
480# ifndef RESET_TTY_TO_COMMON_DEFAULTS
481 chmod(R->ttydev, R->ttyfd_stat.st_mode);
482 chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
483# else
484 chmod(R->ttydev,
485 (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
486 chown(R->ttydev, 0, 0);
487# endif
488 }
489
490 rxvt_privileges(aR_ IGNORE);
491
492# ifndef RESET_TTY_TO_COMMON_DEFAULTS
493 D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
494 action == RESTORE ? "Restoring" : (action ==
495 SAVE ? "Saving" :
496 "UNKNOWN ERROR for"), R->ttydev,
497 R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
498 R->ttyfd_stat.st_gid));
499# endif
500}
501#endif
502 612
503/*----------------------------------------------------------------------*/ 613/*----------------------------------------------------------------------*/
504/* 614/*
505 * window size/position calculcations for XSizeHint and other storage. 615 * window size/position calculcations for XSizeHint and other storage.
506 * if width/height are non-zero then override calculated width/height 616 * if width/height are non-zero then override calculated width/height
507 */ 617 */
508/* EXTPROTO */
509void 618void
510rxvt_window_calc(pR_ unsigned int width, unsigned int height) 619rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
511{ 620{
512 short recalc_x, recalc_y; 621 short recalc_x, recalc_y;
513 int x, y, sb_w, mb_h, flags; 622 int x, y, sb_w, flags;
514 unsigned int w, h; 623 unsigned int w, h;
515 unsigned int max_width, max_height; 624 unsigned int max_width, max_height;
516 625
517 D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
518 R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
519 R->szHint.height));
520 R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; 626 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
521 R->szHint.win_gravity = NorthWestGravity; 627 szHint.win_gravity = NorthWestGravity;
522/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */ 628 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
523 629
524 recalc_x = recalc_y = 0; 630 recalc_x = recalc_y = 0;
525 flags = 0; 631 flags = 0;
632
526 if (!R->parsed_geometry) { 633 if (!parsed_geometry)
634 {
527 R->parsed_geometry = 1; 635 parsed_geometry = 1;
636
528 if (R->rs[Rs_geometry]) 637 if (rs[Rs_geometry])
529 flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h); 638 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
639
530 if (flags & WidthValue) { 640 if (flags & WidthValue)
531 R->TermWin.ncol = BOUND_POSITIVE_INT16(w); 641 {
642 ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
532 R->szHint.flags |= USSize; 643 szHint.flags |= USSize;
533 } 644 }
645
534 if (flags & HeightValue) { 646 if (flags & HeightValue)
535 R->TermWin.nrow = BOUND_POSITIVE_INT16(h); 647 {
648 nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
536 R->szHint.flags |= USSize; 649 szHint.flags |= USSize;
537 } 650 }
651
538 if (flags & XValue) { 652 if (flags & XValue)
653 {
539 R->szHint.x = x; 654 szHint.x = x;
540 R->szHint.flags |= USPosition; 655 szHint.flags |= USPosition;
656
541 if (flags & XNegative) { 657 if (flags & XNegative)
658 {
542 recalc_x = 1; 659 recalc_x = 1;
543 R->szHint.win_gravity = NorthEastGravity; 660 szHint.win_gravity = NorthEastGravity;
544 } 661 }
545 } 662 }
663
546 if (flags & YValue) { 664 if (flags & YValue)
665 {
547 R->szHint.y = y; 666 szHint.y = y;
548 R->szHint.flags |= USPosition; 667 szHint.flags |= USPosition;
668
549 if (flags & YNegative) { 669 if (flags & YNegative)
670 {
550 recalc_y = 1; 671 recalc_y = 1;
672
551 if (R->szHint.win_gravity == NorthEastGravity) 673 if (szHint.win_gravity == NorthEastGravity)
552 R->szHint.win_gravity = SouthEastGravity; 674 szHint.win_gravity = SouthEastGravity;
553 else 675 else
554 R->szHint.win_gravity = SouthWestGravity; 676 szHint.win_gravity = SouthWestGravity;
555 } 677 }
556 } 678 }
557 } 679 }
680
558/* TODO: BOUNDS */ 681 /* TODO: BOUNDS */
559 R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth; 682 width = ncol * fwidth;
560 R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight; 683 height = nrow * fheight;
561 max_width = MAX_COLS * R->TermWin.fwidth; 684 max_width = MAX_COLS * fwidth;
562 max_height = MAX_ROWS * R->TermWin.fheight; 685 max_height = MAX_ROWS * fheight;
563 686
564 R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth; 687 szHint.base_width = szHint.base_height = 2 * int_bwidth;
565 688
566 sb_w = mb_h = 0; 689 sb_w = 0;
567 R->window_vt_x = R->window_vt_y = 0; 690 window_vt_x = window_vt_y = int_bwidth;
568 if (scrollbar_visible(R)) { 691
692 if (scrollBar.state)
693 {
569 sb_w = scrollbar_TotalWidth(); 694 sb_w = scrollbar_TotalWidth ();
570 R->szHint.base_width += sb_w; 695 szHint.base_width += sb_w;
571 if (!(R->Options & Opt_scrollBar_right)) 696 if (!OPTION (Opt_scrollBar_right))
572 R->window_vt_x = sb_w; 697 window_vt_x += sb_w;
573 } 698 }
574 if (menubar_visible(R)) { 699
575 mb_h = menuBar_TotalHeight();
576 R->szHint.base_height += mb_h;
577 R->window_vt_y = mb_h;
578 }
579 R->szHint.width_inc = R->TermWin.fwidth; 700 szHint.width_inc = fwidth;
580 R->szHint.height_inc = R->TermWin.fheight; 701 szHint.height_inc = fheight;
581 R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc; 702 szHint.min_width = szHint.base_width + szHint.width_inc;
582 R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc; 703 szHint.min_height = szHint.base_height + szHint.height_inc;
583 704
584 if (width && width - R->szHint.base_width < max_width) { 705 if (newwidth && newwidth - szHint.base_width < max_width)
706 {
585 R->szHint.width = width; 707 szHint.width = newwidth;
586 R->TermWin.width = width - R->szHint.base_width; 708 width = newwidth - szHint.base_width;
587 } else { 709 }
588 MIN_IT(R->TermWin.width, max_width); 710 else
711 {
712 min_it (width, max_width);
589 R->szHint.width = R->szHint.base_width + R->TermWin.width; 713 szHint.width = szHint.base_width + width;
590 } 714 }
715
591 if (height && height - R->szHint.base_height < max_height) { 716 if (newheight && newheight - szHint.base_height < max_height)
717 {
592 R->szHint.height = height; 718 szHint.height = newheight;
593 R->TermWin.height = height - R->szHint.base_height; 719 height = newheight - szHint.base_height;
594 } else { 720 }
595 MIN_IT(R->TermWin.height, max_height); 721 else
722 {
723 min_it (height, max_height);
596 R->szHint.height = R->szHint.base_height + R->TermWin.height; 724 szHint.height = szHint.base_height + height;
597 } 725 }
598 if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right)) 726
727 if (scrollBar.state && OPTION (Opt_scrollBar_right))
599 R->window_sb_x = R->szHint.width - sb_w; 728 window_sb_x = szHint.width - sb_w;
600 729
601 if (recalc_x) 730 if (recalc_x)
602 R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen) 731 szHint.x += DisplayWidth (xdisp, display->screen) - szHint.width - 2 * ext_bwidth;
603 - R->szHint.width - 2 * R->TermWin.ext_bwidth); 732
604 if (recalc_y) 733 if (recalc_y)
605 R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen) 734 szHint.y += DisplayHeight (xdisp, display->screen) - szHint.height - 2 * ext_bwidth;
606 - R->szHint.height - 2 * R->TermWin.ext_bwidth);
607 735
608 R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth; 736 ncol = width / fwidth;
609 R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight; 737 nrow = height / fheight;
610 D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
611 R->TermWin.ncol, R->TermWin.nrow, R->szHint.width,
612 R->szHint.height));
613 return;
614} 738}
615 739
616/*----------------------------------------------------------------------*/ 740/*----------------------------------------------------------------------*/
617/* 741/*
618 * Tell the teletype handler what size the window is. 742 * Tell the teletype handler what size the window is.
619 * Called after a window size change. 743 * Called after a window size change.
620 */ 744 */
621void 745void
622rxvt_term::tt_winch () 746rxvt_term::tt_winch ()
623{ 747{
624 struct winsize ws; 748 if (pty->pty < 0)
625
626 if (cmd_fd < 0)
627 return; 749 return;
628 750
751 struct winsize ws;
752
629 ws.ws_col = TermWin.ncol; 753 ws.ws_col = ncol;
630 ws.ws_row = TermWin.nrow; 754 ws.ws_row = nrow;
631 ws.ws_xpixel = ws.ws_ypixel = 0; 755 ws.ws_xpixel = width;
632#ifndef DEBUG_SIZE 756 ws.ws_ypixel = height;
633 (void)ioctl (cmd_fd, TIOCSWINSZ, &ws); 757 (void)ioctl (pty->pty, TIOCSWINSZ, &ws);
634#else 758
635 if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0) 759#if 0
636 D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd)); 760 // TIOCSWINSZ⎈ is supposed to do this automatically and correctly
637# ifdef SIGWINCH
638 else if (cmd_pid) /* force through to the command */ 761 if (cmd_pid) /* force through to the command */
639 kill (cmd_pid, SIGWINCH); 762 kill (-cmd_pid, SIGWINCH);
640# endif
641#endif 763#endif
642} 764}
643 765
644/*----------------------------------------------------------------------*/ 766/*----------------------------------------------------------------------*/
645/* rxvt_change_font() - Switch to a new font */ 767/* set_fonts () - load and set the various fonts
646/* 768 *
647 * init = 1 - initialize 769 * init = 1 - initialize
648 * 770 *
649 * fontname == FONT_UP - switch to bigger font 771 * fontname == FONT_UP - switch to bigger font
650 * fontname == FONT_DN - switch to smaller font 772 * fontname == FONT_DN - switch to smaller font
651 */ 773 */
652/* EXTPROTO */ 774bool
653void 775rxvt_term::set_fonts ()
654rxvt_change_font(pR_ int init, const char *fontname)
655{ 776{
656} 777 rxvt_fontset *fs = new rxvt_fontset (this);
778 rxvt_fontprop prop;
657 779
658/* INTPROTO */ 780 if (!fs
659void 781 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
660rxvt_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)
661{ 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);
662} 863}
663 864
664/*----------------------------------------------------------------------*/ 865/*----------------------------------------------------------------------*/
665/*----------------------------------------------------------------------*/ 866/*----------------------------------------------------------------------*/
666/* xterm sequences - title, iconName, color (exptl) */ 867/* xterm sequences - title, iconName, color (exptl) */
667/* EXTPROTO */
668void 868void
669rxvt_set_title(pR_ const char *str) 869rxvt_term::set_title (const char *str)
670{ 870{
671#ifndef SMART_WINDOW_TITLE 871 set_string_property (XA_WM_NAME, str);
672 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 {
948 rxvt_rgba c;
949 pix_colors [Color_fade].get (this, c);
950 pix_colors_focused [idx].fade (this, atoi (rs[Rs_fade]), pix_colors_unfocused [idx], c);
951 }
952#endif
953
954 /*TODO: handle Color_BD, scrollbar background, etc. */
955
956 recolour_cursor ();
957 scr_recolour ();
958}
959
673#else 960#else
674 char *name;
675
676 if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
677 name = NULL;
678 if (name == NULL || STRCMP(name, str))
679 XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
680 if (name)
681 XFree(name);
682#endif
683}
684
685/* EXTPROTO */
686void
687rxvt_set_iconName(pR_ const char *str)
688{
689#ifndef SMART_WINDOW_TITLE
690 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
691#else
692 char *name;
693
694 if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
695 name = NULL;
696 if (name == NULL || STRCMP(name, str))
697 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
698 if (name)
699 XFree(name);
700#endif
701}
702
703#ifdef XTERM_COLOR_CHANGE
704/* EXTPROTO */
705void
706rxvt_set_window_color(pR_ int idx, const char *color)
707{
708 rxvt_color xcol;
709 int i;
710
711 if (color == NULL || *color == '\0')
712 return;
713
714/* handle color aliases */
715 if (isdigit(*color)) {
716 i = atoi(color);
717 if (i >= 8 && i <= 15) { /* bright colors */
718 i -= 8;
719# ifndef NO_BRIGHTCOLOR
720 R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
721 SET_PIXCOLOR(R, idx);
722 goto Done;
723# endif
724 }
725 if (i >= 0 && i <= 7) { /* normal colors */
726 R->PixColors[idx] = R->PixColors[minCOLOR + i];
727 SET_PIXCOLOR(R, idx);
728 goto Done;
729 }
730 }
731 if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
732 return;
733/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
734
735/*
736 * FIXME: should free colors here, but no idea how to do it so instead,
737 * so just keep gobbling up the colormap
738 */
739# if 0
740 for (i = Color_Black; i <= Color_White; i++)
741 if (R->PixColors[idx] == R->PixColors[i])
742 break;
743 if (i > Color_White) {
744 /* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
745 XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
746 DisplayPlanes(R->Xdisplay, Xscreen));
747 }
748# endif
749
750 R->PixColors[idx] = xcol;
751 SET_PIXCOLOR(R, idx);
752
753/* XSetWindowAttributes attr; */
754/* Cursor cursor; */
755 Done:
756 if (idx == Color_bg && !(R->Options & Opt_transparent))
757 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
758 R->PixColors[Color_bg]);
759
760/* handle Color_BD, scrollbar background, etc. */
761
762 rxvt_set_colorfgbg(aR);
763 rxvt_recolour_cursor(aR);
764/* the only reasonable way to enforce a clean update */
765 rxvt_scr_poweron(aR);
766}
767
768#else
769# define rxvt_set_window_color(aR_ idx,color) ((void)0) 961# define set_window_color (idx,color) ((void)0)
770#endif /* XTERM_COLOR_CHANGE */ 962#endif /* XTERM_COLOR_CHANGE */
771 963
772/* EXTPROTO */
773void 964void
774rxvt_recolour_cursor(pR) 965rxvt_term::recolour_cursor ()
775{ 966{
776 rxvt_color xcol[2]; 967 XColor xcol[2];
777 968
778#if TODO 969 xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
779 xcol[0] = R->PixColors[Color_pointer]; 970 ? pix_colors_focused[Color_pointer_fg]
780 xcol[1] = R->PixColors[Color_bg]; 971 : pix_colors_focused[Color_fg];
781 XQueryColors(R->Xdisplay, XCMAP, xcol, 2); 972 xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
973 ? pix_colors_focused[Color_pointer_bg]
974 : pix_colors_focused[Color_bg];
975
976 XQueryColors (xdisp, cmap, xcol, 2);
782 XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1])); 977 XRecolorCursor (xdisp, TermWin_cursor, xcol + 0, xcol + 1);
783#endif
784} 978}
785 979
786/*----------------------------------------------------------------------*/ 980/*----------------------------------------------------------------------*/
787/* 981/*
788 * find if fg/bg matches any of the normal (low-intensity) colors 982 * find if fg/bg matches any of the normal (low-intensity) colors
789 */ 983 */
790/* INTPROTO */
791void 984void
792rxvt_set_colorfgbg(pR) 985rxvt_term::set_colorfgbg ()
793{ 986{
794 unsigned int i; 987 unsigned int i;
795 const char *xpmb = "\0"; 988 const char *xpmb = "\0";
796 char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1]; 989 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
797 990
798 R->env_colorfgbg = 991 strcpy (fstr, "default");
799 (char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1); 992 strcpy (bstr, "default");
800 STRCPY(fstr, "default");
801 STRCPY(bstr, "default");
802 for (i = Color_Black; i <= Color_White; i++) 993 for (i = Color_Black; i <= Color_White; i++)
803 if (R->PixColors[Color_fg] == R->PixColors[i]) { 994 if (pix_colors[Color_fg] == pix_colors[i])
995 {
804 sprintf(fstr, "%d", (i - Color_Black)); 996 sprintf (fstr, "%d", (i - Color_Black));
805 break; 997 break;
806 } 998 }
999
807 for (i = Color_Black; i <= Color_White; i++) 1000 for (i = Color_Black; i <= Color_White; i++)
808 if (R->PixColors[Color_bg] == R->PixColors[i]) { 1001 if (pix_colors[Color_bg] == pix_colors[i])
1002 {
809 sprintf(bstr, "%d", (i - Color_Black)); 1003 sprintf (bstr, "%d", (i - Color_Black));
810#ifdef XPM_BACKGROUND 1004#ifdef XPM_BACKGROUND
811 xpmb = "default;"; 1005 xpmb = "default;";
812#endif 1006#endif
813 break; 1007 break;
814 } 1008 }
1009
815 sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); 1010 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
816 putenv(R->env_colorfgbg);
817
818#ifndef NO_BRIGHTCOLOR
819 R->colorfgbg = DEFAULT_RSTYLE;
820 for (i = minCOLOR; i <= maxCOLOR; i++) {
821 if (R->PixColors[Color_fg] == R->PixColors[i])
822 R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
823 if (R->PixColors[Color_bg] == R->PixColors[i])
824 R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
825 }
826#endif
827} 1011}
828 1012
829/*----------------------------------------------------------------------*/ 1013/*----------------------------------------------------------------------*/
830/*
831 * Colour determination for low colour displays, routine from
832 * Hans de Goede <hans@highrise.nl>
833 */
834 1014
835/* EXTPROTO */ 1015bool
836int 1016rxvt_term::set_color (rxvt_color &color, const char *name)
837rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour)
838{ 1017{
839 screen_in_out->set(aR_ colour); 1018 if (color.set (this, name))
840
841 if (!screen_in_out->set(aR_ colour)) {
842 rxvt_print_error("can't allocate colour: %s", colour);
843 return false;
844 }
845
846 return true; 1019 return true;
1020
1021 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
1022 return false;
847} 1023}
848 1024
849/* -------------------------------------------------------------------- * 1025/* -------------------------------------------------------------------- *
850 * - WINDOW RESIZING - * 1026 * - WINDOW RESIZING - *
851 * -------------------------------------------------------------------- */ 1027 * -------------------------------------------------------------------- */
852/* EXTPROTO */
853void 1028void
854rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height, 1029rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
855 int ignoreparent)
856{ 1030{
857 int fix_screen; 1031 int fix_screen;
1032 int old_width = szHint.width;
1033 int old_height = szHint.height;
858 1034
1035 window_calc (newwidth, newheight);
1036 XSetWMNormalHints (xdisp, parent[0], &szHint);
1037
1038 if (!ignoreparent)
1039 {
859#ifdef SMART_RESIZE 1040#ifdef SMART_RESIZE
860 int old_width = R->szHint.width, old_height = R->szHint.height; 1041 /*
861#endif
862
863 rxvt_window_calc(aR_ width, height);
864 XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
865 if (!ignoreparent) {
866#ifdef SMART_RESIZE
867/*
868 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> 1042 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
869 * reposition window on resize depending on placement on screen 1043 * reposition window on resize depending on placement on screen
870 */ 1044 */
871 int x, y, x1, y1; 1045 int x, y, x1, y1;
872 int dx, dy; 1046 int dx, dy;
873 unsigned int unused_w1, unused_h1, unused_b1, unused_d1; 1047 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
874 Window unused_cr; 1048 Window unused_cr;
875 1049
876 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot, 1050 XTranslateCoordinates (xdisp, parent[0], display->root,
877 0, 0, &x, &y, &unused_cr); 1051 0, 0, &x, &y, &unused_cr);
878 XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1, 1052 XGetGeometry (xdisp, parent[0], &unused_cr, &x1, &y1,
879 &unused_w1, &unused_h1, &unused_b1, &unused_d1); 1053 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
880 /* 1054 /*
881 * if Xroot isn't the parent window, a WM will probably have offset 1055 * if display->root isn't the parent window, a WM will probably have offset
882 * our position for handles and decorations. Counter it 1056 * our position for handles and decorations. Counter it
883 */ 1057 */
884 if (x1 != x || y1 != y) { 1058 if (x1 != x || y1 != y)
1059 {
885 x -= x1; 1060 x -= x1;
886 y -= y1; 1061 y -= y1;
887 } 1062 }
888 1063
889 x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2; 1064 x1 = (DisplayWidth (xdisp, display->screen) - old_width ) / 2;
890 y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2; 1065 y1 = (DisplayHeight (xdisp, display->screen) - old_height) / 2;
891 dx = old_width - R->szHint.width; 1066 dx = old_width - szHint.width;
892 dy = old_height - R->szHint.height; 1067 dy = old_height - szHint.height;
893 1068
894 /* Check position of the center of the window */ 1069 /* Check position of the center of the window */
895 if (x < x1) /* left half */ 1070 if (x < x1) /* left half */
896 dx = 0; 1071 dx = 0;
897 else if (x == x1) /* exact center */ 1072 else if (x == x1) /* exact center */
898 dx /= 2; 1073 dx /= 2;
899 if (y < y1) /* top half */ 1074 if (y < y1) /* top half */
900 dy = 0; 1075 dy = 0;
901 else if (y == y1) /* exact center */ 1076 else if (y == y1) /* exact center */
902 dy /= 2; 1077 dy /= 2;
903 1078
904 XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy, 1079 XMoveResizeWindow (xdisp, parent[0], x + dx, y + dy,
905 R->szHint.width, R->szHint.height); 1080 szHint.width, szHint.height);
906#else 1081#else
907 XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width, 1082 XResizeWindow (xdisp, parent[0], szHint.width, szHint.height);
908 R->szHint.height);
909#endif 1083#endif
910 } 1084 }
911 1085
912 fix_screen = (R->TermWin.ncol != R->prev_ncol 1086 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
913 || R->TermWin.nrow != R->prev_nrow); 1087
914 if (fix_screen || width != R->old_width || height != R->old_height) { 1088 if (fix_screen || newwidth != old_width || newheight != old_height)
915 if (scrollbar_visible(R)) { 1089 {
1090 if (scrollBar.state)
1091 {
916 XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x, 1092 XMoveResizeWindow (xdisp, scrollBar.win,
1093 window_sb_x, 0,
917 0, scrollbar_TotalWidth(), R->szHint.height); 1094 scrollbar_TotalWidth (), szHint.height);
918 rxvt_Resize_scrollBar(aR); 1095 resize_scrollbar ();
919 } 1096 }
920 if (menubar_visible(R)) 1097
921 XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x, 1098 XMoveResizeWindow (xdisp, vt,
922 0, TermWin_TotalWidth(), menuBar_TotalHeight()); 1099 window_vt_x, window_vt_y,
923 XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
924 R->window_vt_y, TermWin_TotalWidth(),
925 TermWin_TotalHeight()); 1100 width, height);
926#ifdef RXVT_GRAPHICS 1101
927 if (R->old_height)
928 rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
929 R->old_height - R->szHint.base_height);
930#endif
931 rxvt_scr_clear(aR); 1102 scr_clear ();
932#ifdef XPM_BACKGROUND 1103#ifdef XPM_BACKGROUND
933 rxvt_resize_pixmap(aR); 1104 resize_pixmap ();
934#endif 1105#endif
935 } 1106 }
936 1107
937 if (fix_screen || R->old_height == 0) { 1108 if (fix_screen || old_height == 0)
938 int curr_screen = -1; 1109 scr_reset ();
939 uint16_t old_ncol = R->prev_ncol;
940 1110
941 /* scr_reset only works on the primary screen */ 1111#ifdef XPM_BACKGROUND
942 if (R->old_height) /* this is not the first time through */ 1112 if (pixmap)
943 curr_screen = rxvt_scr_change_screen(aR_ PRIMARY); 1113 scr_touch (false);
944 rxvt_scr_reset(aR); 1114#endif
945 if (curr_screen >= 0) { /* this is not the first time through */
946 rxvt_scr_change_screen(aR_ curr_screen);
947 rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
948 }
949 }
950
951 R->old_width = R->szHint.width;
952 R->old_height = R->szHint.height;
953 1115
954#ifdef USE_XIM 1116#ifdef USE_XIM
955 rxvt_IMSetStatusPosition(aR); 1117 IMSetStatusPosition ();
956#endif 1118#endif
957} 1119}
958 1120
959/* 1121/*
960 * Set the width/height of the vt window in characters. Units are pixels. 1122 * Set the width/height of the vt window in characters. Units are pixels.
961 * good for toggling 80/132 columns 1123 * good for toggling 80/132 columns
962 */ 1124 */
963/* EXTPROTO */
964void 1125void
965rxvt_set_widthheight(pR_ unsigned int width, unsigned int height) 1126rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
966{ 1127{
967 XWindowAttributes wattr; 1128 XWindowAttributes wattr;
968 1129
969 if (width == 0 || height == 0) { 1130 if (newwidth == 0 || newheight == 0)
1131 {
970 XGetWindowAttributes(R->Xdisplay, Xroot, &wattr); 1132 XGetWindowAttributes (xdisp, display->root, &wattr);
1133
971 if (width == 0) 1134 if (newwidth == 0)
972 width = wattr.width - R->szHint.base_width; 1135 newwidth = wattr.width - szHint.base_width;
973 if (height == 0) 1136 if (newheight == 0)
974 height = wattr.height - R->szHint.base_height; 1137 newheight = wattr.height - szHint.base_height;
1138 }
1139
1140 if (newwidth != width || newheight != height)
975 } 1141 {
976 if (width != R->TermWin.width || height != R->TermWin.height) {
977 width += R->szHint.base_width; 1142 newwidth += szHint.base_width;
978 height += R->szHint.base_height; 1143 newheight += szHint.base_height;
979 rxvt_resize_all_windows(aR_ width, height, 0); 1144 resize_all_windows (newwidth, newheight, 0);
980 } 1145 }
981} 1146}
982 1147
983/* -------------------------------------------------------------------- * 1148/* -------------------------------------------------------------------- *
984 * - X INPUT METHOD ROUTINES - * 1149 * - X INPUT METHOD ROUTINES - *
985 * -------------------------------------------------------------------- */ 1150 * -------------------------------------------------------------------- */
986#ifdef USE_XIM 1151#ifdef USE_XIM
987/* INTPROTO */
988void
989rxvt_setSize(pR_ XRectangle * size)
990{
991 size->x = R->TermWin.int_bwidth;
992 size->y = R->TermWin.int_bwidth;
993 size->width = Width2Pixel(R->TermWin.ncol);
994 size->height = Height2Pixel(R->TermWin.nrow);
995}
996 1152
997/* INTPROTO */
998void 1153void
999rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg) 1154rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1000{ 1155{
1001 *fg = R->PixColors[Color_fg]; 1156 fg = pix_colors[Color_fg];
1002 *bg = R->PixColors[Color_bg]; 1157 bg = pix_colors[Color_bg];
1158}
1159
1160void
1161rxvt_term::im_set_size (XRectangle &size)
1162{
1163 // the int_bwidth terms make no sense to me
1164 size.x = int_bwidth;
1165 size.y = int_bwidth;
1166 size.width = Width2Pixel (ncol) + int_bwidth;
1167 size.height = Height2Pixel (nrow) + int_bwidth;
1168}
1169
1170void
1171rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1172 XRectangle &status_rect,
1173 const XRectangle &needed_rect)
1174{
1175 preedit_rect.x = needed_rect.width;
1176 preedit_rect.y = 0;
1177 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1178 preedit_rect.height = fheight;
1179
1180 status_rect.x = 0;
1181 status_rect.y = 0;
1182 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1183 status_rect.height = fheight;
1003} 1184}
1004 1185
1005/* Checking whether input method is running. */ 1186/* Checking whether input method is running. */
1006/* INTPROTO */
1007Bool 1187bool
1008rxvt_IMisRunning(pR) 1188rxvt_term::IMisRunning ()
1009{ 1189{
1010 char *p; 1190 char *p;
1011 Atom atom; 1191 Atom atom;
1012 Window win; 1192 Window win;
1013 char server[IMBUFSIZ]; 1193 char server[IMBUFSIZ];
1014 1194
1015/* get current locale modifier */ 1195 /* get current locale modifier */
1016 if ((p = XSetLocaleModifiers(NULL)) != NULL) { 1196 if ((p = XSetLocaleModifiers (NULL)) != NULL)
1197 {
1017 STRCPY(server, "@server="); 1198 strcpy (server, "@server=");
1018 STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */ 1199 strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1200
1019 if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */ 1201 if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1020 *p = '\0'; 1202 *p = '\0';
1021 1203
1022 atom = XInternAtom(R->Xdisplay, server, False); 1204 atom = XInternAtom (xdisp, server, False);
1023 win = XGetSelectionOwner(R->Xdisplay, atom); 1205 win = XGetSelectionOwner (xdisp, atom);
1206
1024 if (win != None) 1207 if (win != None)
1025 return True; 1208 return True;
1026 } 1209 }
1210
1027 return False; 1211 return False;
1028} 1212}
1029 1213
1030/* EXTPROTO */
1031void 1214void
1032rxvt_IMSendSpot(pR) 1215rxvt_term::IMSendSpot ()
1033{ 1216{
1034 XPoint spot; 1217 XPoint nspot;
1035 XVaNestedList preedit_attr; 1218 XVaNestedList preedit_attr;
1036 1219
1037 if (R->Input_Context == NULL 1220 if (!Input_Context
1038 || !R->TermWin.focus || !(R->input_style & XIMPreeditPosition) 1221 || !focus
1039 || !(R->event_type == KeyPress 1222 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1040 || R->event_type == Expose
1041 || R->event_type == NoExpose
1042 || R->event_type == SelectionNotify
1043 || R->event_type == ButtonRelease || R->event_type == FocusIn)
1044 || !rxvt_IMisRunning(aR))
1045 return; 1223 return;
1046 1224
1047 rxvt_setPosition(aR_ & spot); 1225 im_set_position (nspot);
1048 1226
1227 if (nspot.x == spot.x && nspot.y == spot.y)
1228 return;
1229
1230 spot = nspot;
1231
1049 preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL); 1232 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1050 XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL); 1233 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1051 XFree(preedit_attr); 1234 XFree (preedit_attr);
1052} 1235}
1053 1236
1054/* EXTPROTO */
1055void 1237void
1056rxvt_setTermFontSet(pR_ int idx) 1238rxvt_term::im_destroy ()
1057{ 1239{
1058 char *string; 1240 if (input_method)
1059 long length; 1241 {
1060 int success = 0; 1242 if (Input_Context && input_method->xim)
1243 XDestroyIC (Input_Context);
1061 1244
1062 if (idx < 0 || idx >= MAX_NFONTS) 1245 display->put_xim (input_method);
1063 return; 1246 input_method = 0;
1064} 1247 }
1065 1248
1066/* INTPROTO */
1067void
1068rxvt_setPreeditArea (pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1069 XRectangle * needed_rect)
1070{
1071 int mbh, vtx = 0;
1072
1073 if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1074 vtx = scrollbar_TotalWidth();
1075 mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1076 mbh -= R->TermWin.lineSpace;
1077
1078 preedit_rect->x = needed_rect->width + vtx;
1079 preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1080
1081 preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1082 + vtx;
1083 preedit_rect->height = Height2Pixel(1);
1084
1085 status_rect->x = vtx;
1086 status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1087
1088 status_rect->width = needed_rect->width ? needed_rect->width
1089 : Width2Pixel(R->TermWin.ncol + 1);
1090 status_rect->height = Height2Pixel(1);
1091}
1092
1093/* ARGSUSED */
1094/* INTPROTO */
1095void
1096rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1097 __attribute__ ((unused)), XPointer call_data
1098 __attribute__ ((unused)))
1099{
1100 dR;
1101
1102 R->Input_Context = NULL; 1249 Input_Context = 0;
1103/* To avoid Segmentation Fault in C locale: Solaris only? */
1104 if (STRCMP(R->locale, "C"))
1105 XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1106 rxvt_IMInstantiateCallback, NULL);
1107} 1250}
1251
1252#ifdef ENABLE_XIM_ONTHESPOT
1253
1254static void
1255xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1256{
1257 ((rxvt_term *)client_data)->make_current ();
1258 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1259}
1260
1261static void
1262xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1263{
1264 ((rxvt_term *)client_data)->make_current ();
1265 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1266}
1267
1268static void
1269xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1270{
1271 rxvt_term *term = (rxvt_term *)client_data;
1272 XIMText *text = call_data->text;
1273
1274 term->make_current ();
1275
1276 if (text)
1277 {
1278 void *str;
1279
1280 if (!text->encoding_is_wchar && text->string.multi_byte)
1281 {
1282 // of course, X makes it ugly again
1283 if (term->rs[Rs_imLocale])
1284 SET_LOCALE (term->rs[Rs_imLocale]);
1285
1286 str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
1287 mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
1288
1289 if (term->rs[Rs_imLocale])
1290 SET_LOCALE (term->locale);
1291 }
1292 else
1293 str = (void *)text->string.wide_char;
1294
1295 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1296 DT_INT, call_data->caret,
1297 DT_INT, call_data->chg_first,
1298 DT_INT, call_data->chg_length,
1299 DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1300 DT_WCS_LEN, str, str ? (int)text->length : 0,
1301 DT_END));
1302 }
1303 else
1304 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1305 DT_INT, call_data->caret,
1306 DT_INT, call_data->chg_first,
1307 DT_INT, call_data->chg_length,
1308 DT_END));
1309}
1310
1311#if 0
1312static void
1313xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1314{
1315 ((rxvt_term *)client_data)->make_current ();
1316 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1317 DT_INT, call_data->position,
1318 DT_INT, call_data->direction,
1319 DT_INT, call_data->style,
1320 DT_END));
1321}
1322#endif
1323
1324#endif
1108 1325
1109/* 1326/*
1110 * X manual pages and include files don't match on some systems: 1327 * Try to open a XIM with the current modifiers, then see if we can
1111 * some think this is an XIDProc and others an XIMProc so we can't 1328 * open a suitable preedit type
1112 * use the first argument - need to update this to be nice for
1113 * both types via some sort of configure detection
1114 */ 1329 */
1115/* ARGSUSED */ 1330bool
1116/* EXTPROTO */ 1331rxvt_term::IM_get_IC (const char *modifiers)
1117void
1118rxvt_IMInstantiateCallback(Display * unused
1119 __attribute__ ((unused)), XPointer client_data
1120 __attribute__ ((unused)), XPointer call_data
1121 __attribute__ ((unused)))
1122{ 1332{
1123 dR; 1333 int i, j, found;
1124 int i, found, had_im; 1334 XIM xim;
1335 XPoint spot;
1336 XRectangle rect, status_rect, needed_rect;
1337 unsigned long fg, bg;
1338 const char *p;
1339 char **s;
1340 XIMStyles *xim_styles;
1341#ifdef ENABLE_XIM_ONTHESPOT
1342 XIMCallback xcb[4];
1343#endif
1344
1345 set_environ (envv);
1346
1347 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1348 return false;
1349
1350 input_method = display->get_xim (locale, modifiers);
1351 if (input_method == NULL)
1352 return false;
1353
1354 xim = input_method->xim;
1355 spot.x = spot.y = -1;
1356
1357 xim_styles = NULL;
1358 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1359 || !xim_styles || !xim_styles->count_styles)
1360 {
1361 im_destroy ();
1362 return false;
1363 }
1364
1365 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1366
1367 for (int pi = 0; pi < 2; pi++)
1368 {
1369 p = pet[pi];
1370
1371 if (!p)
1372 continue;
1373
1374 s = rxvt_splitcommastring (p);
1375
1376 for (i = found = 0; !found && s[i]; i++)
1377 {
1378 if (!strcmp (s[i], "OverTheSpot"))
1379 input_style = XIMPreeditPosition | XIMStatusNothing;
1380 else if (!strcmp (s[i], "OffTheSpot"))
1381 input_style = XIMPreeditArea | XIMStatusArea;
1382 else if (!strcmp (s[i], "Root"))
1383 input_style = XIMPreeditNothing | XIMStatusNothing;
1384 else if (!strcmp (s[i], "None"))
1385 input_style = XIMPreeditNone | XIMStatusNone;
1386#ifdef ENABLE_XIM_ONTHESPOT
1387 else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1388 input_style = XIMPreeditCallbacks | XIMStatusNothing;
1389#endif
1390 else
1391 input_style = XIMPreeditNothing | XIMStatusNothing;
1392
1393 for (j = 0; j < xim_styles->count_styles; j++)
1394 if (input_style == xim_styles->supported_styles[j])
1395 {
1396 rxvt_freecommastring (s);
1397
1398 found = 1;
1399 goto foundpet;
1400 }
1401
1402 }
1403
1404 rxvt_freecommastring (s);
1405 }
1406
1407foundpet:
1408
1409 XFree (xim_styles);
1410
1411 if (!found)
1412 {
1413 im_destroy ();
1414 return false;
1415 }
1416
1417 XFontSet fs = 0;
1418 XVaNestedList preedit_attr = 0, status_attr = 0;
1419
1420 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1421 {
1422 // fake us a font-set, please
1423 char **missing_charset_list;
1424 int missing_charset_count;
1425 char *def_string;
1426 char pat[512];
1427
1428 sprintf (pat,
1429 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1430 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1431 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1432 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1433 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1434 "*",
1435 fheight,
1436 fheight + 1, fheight - 1,
1437 fheight - 2, fheight + 2);
1438
1439 fs = XCreateFontSet (xdisp, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1440 &missing_charset_list, &missing_charset_count, &def_string);
1441
1442 if (missing_charset_list)
1443 XFreeStringList (missing_charset_list);
1444
1445 if (!fs)
1446 {
1447 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1448 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1449 }
1450 }
1451
1452 if (input_style & XIMPreeditPosition)
1453 {
1454 im_set_size (rect);
1455 im_set_position (spot);
1456 im_set_color (fg, bg);
1457
1458 preedit_attr = XVaCreateNestedList (0,
1459 XNForeground, fg,
1460 XNBackground, bg,
1461 XNArea, &rect,
1462 XNSpotLocation, &spot,
1463 XNFontSet, fs,
1464 NULL);
1465 }
1466 else if (input_style & XIMPreeditArea)
1467 {
1468 im_set_color (fg, bg);
1469
1470 /*
1471 * The necessary width of preedit area is unknown
1472 * until create input context.
1473 */
1474 needed_rect.width = 0;
1475 im_set_preedit_area (rect, status_rect, needed_rect);
1476
1477 preedit_attr = XVaCreateNestedList (0,
1478 XNForeground, fg,
1479 XNBackground, bg,
1480 XNArea, &rect,
1481 XNFontSet, fs,
1482 NULL);
1483 status_attr = XVaCreateNestedList (0,
1484 XNForeground, fg,
1485 XNBackground, bg,
1486 XNArea, &status_rect,
1487 XNFontSet, fs,
1488 NULL);
1489 }
1490#if ENABLE_XIM_ONTHESPOT
1491 else if (input_style & XIMPreeditCallbacks)
1492 {
1493 im_set_position (spot);
1494
1495 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1496 xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1497 xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1498# if 0
1499 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1500# endif
1501
1502 preedit_attr = XVaCreateNestedList (0,
1503 XNSpotLocation, &spot,
1504 XNPreeditStartCallback, &xcb[0],
1505 XNPreeditDoneCallback , &xcb[1],
1506 XNPreeditDrawCallback , &xcb[2],
1507# if 0
1508 XNPreeditCaretCallback, &xcb[3],
1509# endif
1510 NULL);
1511 }
1512#endif
1513
1514 Input_Context = XCreateIC (xim,
1515 XNInputStyle, input_style,
1516 XNClientWindow, vt,
1517 XNFocusWindow, parent[0],
1518 preedit_attr ? XNPreeditAttributes : NULL,
1519 preedit_attr,
1520 status_attr ? XNStatusAttributes : NULL,
1521 status_attr, NULL);
1522
1523 if (preedit_attr) XFree (preedit_attr);
1524 if (status_attr) XFree (status_attr);
1525 if (fs) XFreeFontSet (xdisp, fs);
1526
1527 if (Input_Context == NULL)
1528 {
1529 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1530 im_destroy ();
1531 return false;
1532 }
1533
1534#if 0
1535 // unfortunately, only the focus window is used by XIM, hard to fix
1536 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1537 vt_select_input ();
1538#endif
1539
1540 if (input_style & XIMPreeditArea)
1541 IMSetStatusPosition ();
1542
1543 return true;
1544}
1545
1546void
1547rxvt_term::im_cb ()
1548{
1549 int i;
1125 const char *p; 1550 const char *p;
1126 char **s; 1551 char **s;
1127 char buf[IMBUFSIZ]; 1552 char buf[IMBUFSIZ];
1128 1553
1129 D_MAIN((stderr, "rxvt_IMInstantiateCallback()")); 1554 make_current ();
1555
1556 im_destroy ();
1557
1130 if (R->Input_Context) 1558 if (Input_Context)
1131 return; 1559 return;
1132 1560
1561#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1562 if (rs[Rs_imLocale])
1563 SET_LOCALE (rs[Rs_imLocale]);
1564#endif
1565
1133 p = R->rs[Rs_inputMethod]; 1566 p = rs[Rs_inputMethod];
1134 if (p && *p) 1567 if (p && *p)
1135 { 1568 {
1136 bool found = false; 1569 bool found = false;
1137 1570
1138 s = rxvt_splitcommastring (p); 1571 s = rxvt_splitcommastring (p);
1572
1139 for (i = 0; s[i]; i++) 1573 for (i = 0; s[i]; i++)
1140 { 1574 {
1141 if (*s[i]) 1575 if (*s[i])
1142 { 1576 {
1143 STRCPY (buf, "@im="); 1577 strcpy (buf, "@im=");
1144 STRNCAT (buf, s[i], IMBUFSIZ - 5); 1578 strncat (buf, s[i], IMBUFSIZ - 5);
1145 if ((p = XSetLocaleModifiers (buf)) && *p 1579 if (IM_get_IC (buf))
1146 && rxvt_IM_get_IC (aR))
1147 { 1580 {
1148 found = true; 1581 found = true;
1149 break; 1582 break;
1150 } 1583 }
1151 } 1584 }
1152 } 1585 }
1153 for (i = 0; s[i]; i++) 1586
1154 free(s[i]); 1587 rxvt_freecommastring (s);
1155 free(s);
1156 1588
1157 if (found) 1589 if (found)
1158 return; 1590 goto done;
1159 } 1591 }
1160 1592
1161/* try with XMODIFIERS env. var. */ 1593 /* try with XMODIFIERS env. var. */
1162 if ((p = XSetLocaleModifiers ("")) && *p 1594 if (IM_get_IC (""))
1163 && rxvt_IM_get_IC (aR)) 1595 goto done;
1596
1597 /* try with no modifiers base IF the user didn't specify an IM */
1598 if (IM_get_IC ("@im=none"))
1599 goto done;
1600
1601done:
1602#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1603 if (rs[Rs_imLocale])
1604 SET_LOCALE (locale);
1605#endif
1606}
1607
1608void
1609rxvt_term::IMSetStatusPosition ()
1610{
1611 XRectangle preedit_rect, status_rect, *needed_rect;
1612 XVaNestedList preedit_attr, status_attr;
1613
1614 if (!Input_Context
1615 || !focus
1616 || !(input_style & XIMPreeditArea)
1617 || !IMisRunning ())
1164 return; 1618 return;
1165 1619
1166/* try with no modifiers base IF the user didn't specify an IM */
1167 if ((p = XSetLocaleModifiers ("@im=none")) && *p
1168 && rxvt_IM_get_IC (aR) == True)
1169 return;
1170}
1171
1172/*
1173 * Try to open a XIM with the current modifiers, then see if we can
1174 * open a suitable preedit type
1175 */
1176/* INTPROTO */
1177Bool
1178rxvt_IM_get_IC(pR)
1179{
1180 int i, j, found;
1181 XIM xim;
1182 XPoint spot;
1183 XRectangle rect, status_rect, needed_rect;
1184 unsigned long fg, bg;
1185 const char *p;
1186 char **s;
1187 XIMStyles *xim_styles;
1188 XVaNestedList preedit_attr, status_attr;
1189 XIMCallback ximcallback;
1190
1191 D_MAIN((stderr, "rxvt_IM_get_IC()"));
1192 xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);
1193 if (xim == NULL)
1194 return False;
1195
1196 xim_styles = NULL;
1197 if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)
1198 || !xim_styles || !xim_styles->count_styles) {
1199 XCloseIM(xim);
1200 return False;
1201 }
1202
1203 p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]
1204 : "OverTheSpot,OffTheSpot,Root";
1205 s = rxvt_splitcommastring(p);
1206 for (i = found = 0; !found && s[i]; i++) {
1207 if (!STRCMP(s[i], "OverTheSpot"))
1208 R->input_style = (XIMPreeditPosition | XIMStatusNothing);
1209 else if (!STRCMP(s[i], "OffTheSpot"))
1210 R->input_style = (XIMPreeditArea | XIMStatusArea);
1211 else if (!STRCMP(s[i], "Root"))
1212 R->input_style = (XIMPreeditNothing | XIMStatusNothing);
1213
1214 for (j = 0; j < xim_styles->count_styles; j++)
1215 if (R->input_style == xim_styles->supported_styles[j]) {
1216 found = 1;
1217 break;
1218 }
1219 }
1220 for (i = 0; s[i]; i++)
1221 free(s[i]);
1222 free(s);
1223 XFree(xim_styles);
1224
1225 if (!found) {
1226 XCloseIM(xim);
1227 return False;
1228 }
1229
1230 ximcallback.callback = rxvt_IMDestroyCallback;
1231
1232/* XXX: not sure why we need this (as well as IC one below) */
1233 XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);
1234
1235 preedit_attr = status_attr = NULL;
1236
1237 if (R->input_style & XIMPreeditPosition) {
1238 rxvt_setSize(aR_ & rect);
1239 rxvt_setPosition(aR_ & spot);
1240 rxvt_setColor(aR_ & fg, &bg);
1241
1242 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1243 XNSpotLocation, &spot,
1244 XNForeground, fg, XNBackground, bg,
1245 //XNFontSet, R->TermWin.fontset,
1246 NULL);
1247 } else if (R->input_style & XIMPreeditArea) {
1248 rxvt_setColor(aR_ & fg, &bg);
1249
1250 /*
1251 * The necessary width of preedit area is unknown
1252 * until create input context.
1253 */
1254 needed_rect.width = 0;
1255
1256 rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1257
1258 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1259 XNForeground, fg, XNBackground, bg,
1260 //XNFontSet, R->TermWin.fontset,
1261 NULL);
1262 status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1263 XNForeground, fg, XNBackground, bg,
1264 //XNFontSet, R->TermWin.fontset,
1265 NULL);
1266 }
1267 R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1268 XNClientWindow, R->TermWin.parent[0],
1269 XNFocusWindow, R->TermWin.parent[0],
1270 XNDestroyCallback, &ximcallback,
1271 preedit_attr ? XNPreeditAttributes : NULL,
1272 preedit_attr,
1273 status_attr ? XNStatusAttributes : NULL,
1274 status_attr, NULL);
1275 if (preedit_attr)
1276 XFree(preedit_attr);
1277 if (status_attr)
1278 XFree(status_attr);
1279 if (R->Input_Context == NULL) {
1280 rxvt_print_error("failed to create input context");
1281 XCloseIM(xim);
1282 return False;
1283 }
1284 if (R->input_style & XIMPreeditArea)
1285 rxvt_IMSetStatusPosition(aR);
1286 D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1287 return True;
1288}
1289
1290/* EXTPROTO */
1291void
1292rxvt_IMSetStatusPosition(pR)
1293{
1294 XRectangle preedit_rect, status_rect, *needed_rect;
1295 XVaNestedList preedit_attr, status_attr;
1296
1297 if (R->Input_Context == NULL
1298 || !R->TermWin.focus || !(R->input_style & XIMPreeditArea)
1299 || !rxvt_IMisRunning(aR))
1300 return;
1301
1302/* Getting the necessary width of preedit area */ 1620 /* Getting the necessary width of preedit area */
1303 status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL); 1621 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1304 XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL); 1622 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1305 XFree(status_attr); 1623 XFree (status_attr);
1306 1624
1307 rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect); 1625 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1626 XFree (needed_rect);
1308 1627
1309 preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL); 1628 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1310 status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL); 1629 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1311 1630
1312 XSetICValues(R->Input_Context, 1631 XSetICValues (Input_Context,
1313 XNPreeditAttributes, preedit_attr, 1632 XNPreeditAttributes, preedit_attr,
1314 XNStatusAttributes, status_attr, NULL); 1633 XNStatusAttributes, status_attr, NULL);
1315 1634
1316 XFree(preedit_attr); 1635 XFree (preedit_attr);
1317 XFree(status_attr); 1636 XFree (status_attr);
1318} 1637}
1319#endif /* USE_XIM */ 1638#endif /* USE_XIM */
1320 1639
1321/*----------------------------------------------------------------------*/
1322rxvt_t rxvt_current_term;
1323
1324/*----------------------- end-of-file (C source) -----------------------*/ 1640/*----------------------- end-of-file (C source) -----------------------*/

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