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Comparing rxvt-unicode/src/main.C (file contents):
Revision 1.12 by pcg, Tue Dec 16 23:04:13 2003 UTC vs.
Revision 1.195 by root, Sun Jan 22 00:48:13 2006 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*--------------------------------*-C-*---------------------------------*
2 * File: main.c 2 * File: main.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * $Id: main.C,v 1.12 2003/12/16 23:04:13 pcg Exp $
5 * 4 *
6 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
7 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk> 6 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8 * - original version 7 * - original version
9 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com> 8 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
12 * Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA> 11 * Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
13 * - extensive modifications 12 * - extensive modifications
14 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> 13 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
15 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> 14 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
16 * - extensive modifications 15 * - extensive modifications
16 * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
17 * 17 *
18 * This program is free software; you can redistribute it and/or modify 18 * This program is free software; you can redistribute it and/or modify
19 * it under the terms of the GNU General Public License as published by 19 * it under the terms of the GNU General Public License as published by
20 * the Free Software Foundation; either version 2 of the License, or 20 * the Free Software Foundation; either version 2 of the License, or
21 * (at your option) any later version. 21 * (at your option) any later version.
30 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 30 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31 *---------------------------------------------------------------------*/ 31 *---------------------------------------------------------------------*/
32 32
33#include "../config.h" /* NECESSARY */ 33#include "../config.h" /* NECESSARY */
34#include "rxvt.h" /* NECESSARY */ 34#include "rxvt.h" /* NECESSARY */
35#include "main.intpro" /* PROTOS for internal routines */ 35#include "keyboard.h"
36#include "rxvtperl.h"
36 37
38#include <limits>
39
37#include <signal.h> 40#include <csignal>
41#include <cstring>
38 42
39#ifdef TTY_GID_SUPPORT 43#ifdef TTY_GID_SUPPORT
40# include <grp.h> 44# include <grp.h>
41#endif 45#endif
42 46
43#ifdef HAVE_TERMIOS_H 47#ifdef HAVE_TERMIOS_H
44# include <termios.h> 48# include <termios.h>
45#endif 49#endif
46 50
51vector<rxvt_term *> rxvt_term::termlist;
52
53// used to tell global functions which terminal instance is "active"
54rxvt_t rxvt_current_term;
55
56static char curlocale[128], savelocale[128];
57
58bool
59rxvt_set_locale (const char *locale) NOTHROW
60{
61 if (!locale || !strncmp (locale, curlocale, 128))
62 return false;
63
64 strncpy (curlocale, locale, 128);
65 setlocale (LC_CTYPE, curlocale);
66 return true;
67}
68
47void * 69void
48rxvt_term::operator new (size_t s) 70rxvt_push_locale (const char *locale) NOTHROW
49{ 71{
50 void *p = malloc (s); 72 strcpy (savelocale, curlocale);
73 rxvt_set_locale (locale);
74}
51 75
52 MEMSET (p, 0, s); 76void
77rxvt_pop_locale () NOTHROW
78{
79 rxvt_set_locale (savelocale);
80}
81
82#if ENABLE_COMBINING
83class rxvt_composite_vec rxvt_composite;
84
85text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
86{
87 compose_char *cc;
88
89 // break compose chains, as stupid readline really likes to duplicate
90 // composing characters for some reason near the end of a line.
91 cc = (*this)[c1];
92 while (cc)
93 {
94 if (cc->c2 == c2) return c1;
95 cc = (*this)[cc->c1];
96 }
97
98 // check to see wether this combination already exists otherwise
99 for (cc = v.end (); cc-- > v.begin (); )
100 {
101 if (cc->c1 == c1 && cc->c2 == c2)
102 return COMPOSE_LO + (cc - v.begin ());
103 }
104
105 // allocate a new combination
106 if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
107 {
108 static int seen;
109
110 if (!seen++)
111 fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
112
113 return REPLACEMENT_CHAR;
114 }
115
116 v.push_back (compose_char (c1, c2));
117
118 return v.size () - 1 + COMPOSE_LO;
119}
120
121int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
122{
123 compose_char *cc = (*this)[c];
124
125 if (!cc)
126 {
127 if (r) *r = c;
128 return 1;
129 }
130
131 int len = expand (cc->c1, r);
132
133 if (r) r += len;
134
135 if (cc->c2 != NOCHAR)
136 {
137 len++;
138 if (r) *r++ = cc->c2;
139 }
140
53 return p; 141 return len;
54}
55 142
56void
57rxvt_term::operator delete (void *p, size_t s)
58{
59 free (p);
60} 143}
144#endif
61 145
62rxvt_term::rxvt_term () 146rxvt_term::rxvt_term ()
63: pty_ev (this, &rxvt_term::pty_cb), 147 :
148#if TRANSPARENT
149 rootwin_ev (this, &rxvt_term::rootwin_cb),
150#endif
151#ifdef HAVE_SCROLLBARS
152 scrollbar_ev (this, &rxvt_term::x_cb),
153#endif
64#ifdef CURSOR_BLINK 154#ifdef CURSOR_BLINK
155 cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
156#endif
157#ifdef TEXT_BLINK
65 blink_ev (this, &rxvt_term::blink_cb), 158 text_blink_ev (this, &rxvt_term::text_blink_cb),
159#endif
160#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
161 cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
162#endif
163#ifdef SELECTION_SCROLLING
164 sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
165#endif
166#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
167 slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
66#endif 168#endif
67#ifdef POINTER_BLANK 169#ifdef POINTER_BLANK
68 pointer_ev (this, &rxvt_term::pointer_cb), 170 pointer_ev (this, &rxvt_term::pointer_cb),
69#endif 171#endif
172#ifdef USE_XIM
173 im_ev (this, &rxvt_term::im_cb),
174#endif
175#ifndef NO_BELL
176 bell_ev (this, &rxvt_term::bell_cb),
177#endif
178 termwin_ev (this, &rxvt_term::x_cb),
70 x_ev (this, &rxvt_term::x_cb), 179 vt_ev (this, &rxvt_term::x_cb),
180 child_ev (this, &rxvt_term::child_cb),
181 check_ev (this, &rxvt_term::check_cb),
182 flush_ev (this, &rxvt_term::flush_cb),
71 destroy_ev (this, &rxvt_term::destroy_cb), 183 destroy_ev (this, &rxvt_term::destroy_cb),
72 check_ev (this, &rxvt_term::check_cb), 184 pty_ev (this, &rxvt_term::pty_cb),
73 incr_ev (this, &rxvt_term::incr_cb) 185 incr_ev (this, &rxvt_term::incr_cb)
74{ 186{
75 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base; 187 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
188
189 termlist.push_back (this);
190
191#ifdef KEYSYM_RESOURCE
192 keyboard = new keyboard_manager;
193#endif
194}
195
196// clean up the most important stuff, do *not* call x or free mem etc.
197// for use before an emergency exit
198void rxvt_term::emergency_cleanup ()
199{
200 if (cmd_pid)
201 kill (-cmd_pid, SIGHUP);
202
203 delete pty; pty = 0;
76} 204}
77 205
78rxvt_term::~rxvt_term () 206rxvt_term::~rxvt_term ()
79{ 207{
80 rxvt_scr_release (this); 208 termlist.erase (find (termlist.begin (), termlist.end(), this));
81 209
82#ifndef NO_SETOWNER_TTYDEV 210 emergency_cleanup ();
83 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];
84#endif 216#endif
85#ifdef UTMP_SUPPORT 217 delete fontset[0];
86 rxvt_privileged_utmp (this, RESTORE); 218
87#endif 219 if (display)
220 {
221 dDisp;
222
223 selection_clear ();
224
88#ifdef USE_XIM 225#ifdef USE_XIM
89 if (Input_Context != NULL) 226 im_destroy ();
227#endif
228#ifdef XTERM_SCROLLBAR
229 if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
230 if (ShadowGC) XFreeGC (disp, ShadowGC);
231#endif
232#ifdef PLAIN_SCROLLBAR
233 if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
234#endif
235#ifdef NEXT_SCROLLBAR
236 if (blackGC) XFreeGC (disp, blackGC);
237 if (whiteGC) XFreeGC (disp, whiteGC);
238 if (grayGC) XFreeGC (disp, grayGC);
239 if (darkGC) XFreeGC (disp, darkGC);
240 if (stippleGC) XFreeGC (disp, stippleGC);
241 if (dimple) XFreePixmap (disp, dimple);
242 if (upArrow) XFreePixmap (disp, upArrow);
243 if (downArrow) XFreePixmap (disp, downArrow);
244 if (upArrowHi) XFreePixmap (disp, upArrowHi);
245 if (downArrowHi) XFreePixmap (disp, downArrowHi);
246#endif
247#ifdef RXVT_SCROLLBAR
248 if (topShadowGC) XFreeGC (disp, topShadowGC);
249 if (botShadowGC) XFreeGC (disp, botShadowGC);
250 if (scrollbarGC) XFreeGC (disp, scrollbarGC);
251#endif
252 if (gc) XFreeGC (disp, gc);
253
254 delete drawable;
255 // destroy all windows
256 if (parent[0])
257 XDestroyWindow (disp, parent[0]);
90 { 258 }
91 XDestroyIC (Input_Context);
92 Input_Context = NULL;
93 }
94#endif
95 259
96 if (cmd_fd >= 0) 260 // TODO: free pixcolours, colours should become part of rxvt_display
97 close (cmd_fd); 261 delete pix_colors_focused;
262#if OFF_FOCUS_FADING
263 delete pix_colors_unfocused;
264#endif
98 265
99 if (Xfd >= 0) 266 displays.put (display);
100 XCloseDisplay (Xdisplay);
101 267
102 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_windowid);
277 free (env_display);
278 free (env_term);
279 free (env_colorfgbg);
280 free (locale);
281 free (v_buffer);
282 free (incr_buf);
283
284 delete envv;
285 delete argv;
286
287#ifdef KEYSYM_RESOURCE
288 delete keyboard;
289#endif
290}
291
292// child has exited, usually destroys
293void
294rxvt_term::child_cb (child_watcher &w, int status)
295{
296 HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
297
298 cmd_pid = 0;
299
300 if (!OPTION (Opt_hold))
301 destroy ();
103} 302}
104 303
105void 304void
106rxvt_term::destroy () 305rxvt_term::destroy ()
107{ 306{
307 if (destroy_ev.active)
308 return;
309
310 if (HOOK_INVOKE ((this, HOOK_DESTROY, DT_END)))
311 return;
312
313#if ENABLE_OVERLAY
314 scr_overlay_off ();
315#endif
316
317 if (display)
318 {
319#if USE_XIM
320 im_ev.stop (display);
321#endif
322#if HAVE_SCROLLBARS
323 scrollbar_ev.stop (display);
324#endif
325#if TRANSPARENT
326 rootwin_ev.stop (display);
327#endif
328 incr_ev.stop ();
329 termwin_ev.stop (display);
330 vt_ev.stop (display);
331 }
332
108 check_ev.stop (); 333 check_ev.stop ();
109 pty_ev.stop (); 334 pty_ev.stop ();
110 x_ev.stop ();
111#ifdef CURSOR_BLINK 335#ifdef CURSOR_BLINK
336 cursor_blink_ev.stop ();
337#endif
338#ifdef TEXT_BLINK
112 blink_ev.stop (); 339 text_blink_ev.stop ();
340#endif
341#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
342 cont_scroll_ev.stop ();
343#endif
344#ifdef SELECTION_SCROLLING
345 sel_scroll_ev.stop ();
113#endif 346#endif
114#ifdef POINTER_BLANK 347#ifdef POINTER_BLANK
115 pointer_ev.stop (); 348 pointer_ev.stop ();
116#endif 349#endif
117 350
119} 352}
120 353
121void 354void
122rxvt_term::destroy_cb (time_watcher &w) 355rxvt_term::destroy_cb (time_watcher &w)
123{ 356{
124 SET_R (this); 357 make_current ();
125 358
126 delete this; 359 delete this;
127}
128
129/*----------------------------------------------------------------------*/
130/* rxvt_init() */
131/* LIBPROTO */
132rxvt_t
133rxvt_init (int argc, const char *const *argv)
134{
135 SET_R (new rxvt_term);
136 dR;
137
138 if (!R->init_vars () || !R->init (argc, argv))
139 {
140 delete R;
141 return NULL;
142 }
143
144 return R;
145}
146
147/* EXTPROTO */
148void
149rxvt_init_signals ()
150{
151/* install exit handler for cleanup */
152#if 0
153#ifdef HAVE_ATEXIT
154 atexit(rxvt_clean_exit);
155#else
156#endif
157#endif
158
159 struct sigaction sa;
160
161 sigfillset (&sa.sa_mask);
162 sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
163 sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
164 sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
165 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
166 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
167 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
168 sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
169
170/* need to trap SIGURG for SVR4 (Unixware) rlogin */
171/* signal (SIGURG, SIG_DFL); */
172
173 XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
174 //XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
175}
176
177bool
178rxvt_term::init (int argc, const char *const *argv)
179{
180 dR;//TODO (scrollbar, setidle)
181
182 /*
183 * Save and then give up any super-user privileges
184 * If we need privileges in any area then we must specifically request it.
185 * We should only need to be root in these cases:
186 * 1. write utmp entries on some systems
187 * 2. chown tty on some systems
188 */
189 rxvt_privileges (this, SAVE);
190 rxvt_privileges (this, IGNORE);
191
192 rxvt_init_secondary (this);
193
194 const char **cmd_argv = rxvt_init_resources (this, argc, argv);
195
196#if (MENUBAR_MAX)
197 rxvt_menubar_read (this, rs[Rs_menu]);
198#endif
199#ifdef HAVE_SCROLLBARS
200 if (Options & Opt_scrollBar)
201 scrollbar_setIdle (); /* set existence for size calculations */
202#endif
203
204 rxvt_Create_Windows (this, argc, argv);
205
206 rxvt_init_xlocale (this);
207
208 rxvt_scr_reset (this); /* initialize screen */
209#ifdef RXVT_GRAPHICS
210 rxvt_Gr_reset (this); /* reset graphics */
211#endif
212
213#if 0
214#ifdef DEBUG_X
215 XSynchronize(Xdisplay, True);
216#endif
217#endif
218
219#ifdef HAVE_SCROLLBARS
220 if (Options & Opt_scrollBar)
221 rxvt_Resize_scrollBar (this); /* create and map scrollbar */
222#endif
223#if (MENUBAR_MAX)
224 if (menubar_visible(r))
225 XMapWindow (Xdisplay, menuBar.win);
226#endif
227#ifdef TRANSPARENT
228 if (Options & Opt_transparent)
229 {
230 XSelectInput (Xdisplay, Xroot, PropertyChangeMask);
231 rxvt_check_our_parents (this);
232 }
233#endif
234 XMapWindow (Xdisplay, TermWin.vt);
235 XMapWindow (Xdisplay, TermWin.parent[0]);
236
237 rxvt_init_env (this);
238 rxvt_init_command (this, cmd_argv);
239
240 x_ev.start (Xfd, EVENT_READ);
241 pty_ev.start (cmd_fd, EVENT_READ);
242
243 check_ev.start ();
244
245 process_x_events ();
246
247 return true;
248}
249
250/* ------------------------------------------------------------------------- *
251 * SIGNAL HANDLING & EXIT HANDLER *
252 * ------------------------------------------------------------------------- */
253/*
254 * Catch a SIGCHLD signal and exit if the direct child has died
255 */
256/* ARGSUSED */
257/* EXTPROTO */
258RETSIGTYPE
259rxvt_Child_signal(int sig __attribute__ ((unused)))
260{
261 int pid, save_errno = errno;
262 while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
263 ;
264 errno = save_errno;
265
266#if 0
267 if (pid == R->cmd_pid)
268 exit (EXIT_SUCCESS);
269#endif
270}
271
272/*
273 * Catch a fatal signal and tidy up before quitting
274 */
275/* EXTPROTO */
276RETSIGTYPE
277rxvt_Exit_signal(int sig)
278{
279 signal(sig, SIG_DFL);
280#ifdef DEBUG_CMD
281 rxvt_print_error("signal %d", sig);
282#endif
283 rxvt_clean_exit();
284 kill(getpid(), sig);
285}
286
287/* ARGSUSED */
288/* INTPROTO */
289int
290rxvt_xerror_handler(const Display * display
291 __attribute__ ((unused)), const XErrorEvent * event)
292{
293 dR;
294
295 if (R->allowedxerror == -1)
296 R->allowedxerror = event->error_code;
297 else
298 {
299 rxvt_print_error("XError: Request: %d . %d, Error: %d",
300 event->request_code, event->minor_code,
301 event->error_code);
302
303 R->destroy ();
304 }
305
306 return 0;
307} 360}
308 361
309/*----------------------------------------------------------------------*/ 362/*----------------------------------------------------------------------*/
310/* 363/*
311 * Exit gracefully, clearing the utmp entry and restoring tty attributes 364 * Exit gracefully, clearing the utmp entry and restoring tty attributes
312 * TODO: if debugging, this should free up any known resources if we can 365 * TODO: if debugging, this should free up any known resources if we can
313 */ 366 */
314/* EXTPROTO */ 367static XErrorHandler old_xerror_handler;
368
369static void
370rxvt_emergency_cleanup ()
371{
372 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
373 (*t)->emergency_cleanup ();
374}
375
376#if ENABLE_FRILLS
377static void
378print_x_error (Display *dpy, XErrorEvent *event)
379{
380 char buffer[BUFSIZ];
381 char mesg[BUFSIZ];
382 char number[32];
383 char *mtype = "XlibMessage";
384 XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
385 XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
386 rxvt_warn ("An X Error occured, trying to continue after report.\n");
387 rxvt_warn ("%s: %s\n", mesg, buffer);
388 XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
389 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
390 sprintf(number, "%d", event->request_code);
391 XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
392 rxvt_warn ("(which is %s)\n", buffer);
393 if (event->request_code >= 128) {
394 XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
395 mesg, BUFSIZ);
396 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
397 }
398 if ((event->error_code == BadWindow) ||
399 (event->error_code == BadPixmap) ||
400 (event->error_code == BadCursor) ||
401 (event->error_code == BadFont) ||
402 (event->error_code == BadDrawable) ||
403 (event->error_code == BadColor) ||
404 (event->error_code == BadGC) ||
405 (event->error_code == BadIDChoice) ||
406 (event->error_code == BadValue) ||
407 (event->error_code == BadAtom)) {
408 if (event->error_code == BadValue)
409 XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
410 mesg, BUFSIZ);
411 else if (event->error_code == BadAtom)
412 XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
413 mesg, BUFSIZ);
414 else
415 XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
416 mesg, BUFSIZ);
417 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
418 }
419 XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
420 mesg, BUFSIZ);
421 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
422}
423#endif
424
425int
426rxvt_xerror_handler (Display *display, XErrorEvent *event)
427{
428 if (GET_R->allowedxerror == -1)
429 GET_R->allowedxerror = event->error_code;
430 else
431 {
432 // GET_R is most likely not the terminal which caused the error,
433 // so just output the error and continue
434#if ENABLE_FRILLS
435 print_x_error (display, event);
436#else
437 old_xerror_handler (display, event);
438#endif
439 }
440
441 return 0;
442}
443
444int
445rxvt_xioerror_handler (Display *display)
446{
447 rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
448 DisplayString (display));
449 rxvt_emergency_cleanup ();
450 _exit (EXIT_FAILURE);
451}
452
453/*----------------------------------------------------------------------*/
454bool
455rxvt_term::init (int argc, const char *const *argv, stringvec *envv)
456{
457 this->envv = envv;
458
459 SET_R (this);
460 set_locale ("");
461 set_environ (envv); // few things in X do not call setlocale :(
462
463 if (!init_vars ())
464 return false;
465
466 init_secondary ();
467
468 const char **cmd_argv = init_resources (argc, argv);
469
470#ifdef KEYSYM_RESOURCE
471 keyboard->register_done ();
472#endif
473
474#ifdef HAVE_SCROLLBARS
475 if (OPTION (Opt_scrollBar))
476 scrollBar.setIdle (); /* set existence for size calculations */
477#endif
478
479 pty = ptytty_new ();
480
481 create_windows (argc, argv);
482
483 dDisp;
484
485 init_xlocale ();
486
487 scr_reset (); // initialize screen
488
489#if 0
490 XSynchronize (disp, True);
491#endif
492
493#ifdef HAVE_SCROLLBARS
494 if (OPTION (Opt_scrollBar))
495 resize_scrollbar (); /* create and map scrollbar */
496#endif
497#ifdef TRANSPARENT
498 if (OPTION (Opt_transparent))
499 {
500 XSelectInput (disp, display->root, PropertyChangeMask);
501 check_our_parents ();
502 rootwin_ev.start (display, display->root);
503 }
504#endif
505
506 set_colorfgbg ();
507
508 init_command (cmd_argv);
509
510 free (cmd_argv);
511
512 if (pty->pty >= 0)
513 pty_ev.start (pty->pty, EVENT_READ);
514
515 check_ev.start ();
516
517 HOOK_INVOKE ((this, HOOK_START, DT_END));
518
519 XMapWindow (disp, vt);
520 XMapWindow (disp, parent[0]);
521
522 return true;
523}
524
525static struct sig_handlers
526{
527 sig_watcher sw_term, sw_int;
528
529 /*
530 * Catch a fatal signal and tidy up before quitting
531 */
315void 532 void
316rxvt_clean_exit () 533 sig_term (sig_watcher &w)
317{ 534 {
318 dR; 535#ifdef DEBUG_CMD
536 rxvt_warn ("caught signal %d, exiting.\n", w.signum);
537#endif
538 rxvt_emergency_cleanup ();
539 signal (w.signum, SIG_DFL);
540 kill (getpid (), w.signum);
541 }
319 542
320 R->destroy (); 543 sig_handlers ()
544 : sw_term (this, &sig_handlers::sig_term),
545 sw_int (this, &sig_handlers::sig_term)
546 {
547 }
548} sig_handlers;
549
550char **rxvt_environ; // startup environment
551
552void
553rxvt_init ()
554{
555 uid_t uid = getuid ();
556 gid_t gid = getgid ();
557
558 // before doing anything else, check for setuid/setgid operation,
559 // start the helper process and drop privileges
560 if (uid != geteuid ()
561 || gid != getegid ())
562 {
563#if PTYTTY_HELPER
564 ptytty_server ();
565#else
566 rxvt_warn ("running setuid/setgid without pty helper compiled in, continuing unprivileged.\n");
567#endif
568
569 // drop privileges
570#if HAVE_SETRESUID
571 setresgid (gid, gid, gid);
572 setresuid (uid, uid, uid);
573#elif HAVE_SETREUID
574 setregid (gid, gid);
575 setreuid (uid, uid);
576#elif HAVE_SETUID
577 setgid (gid);
578 setuid (uid);
579#endif
580
581 if (uid != geteuid ()
582 || gid != getegid ())
583 rxvt_fatal ("unable to drop privileges, aborting.\n");
584 }
585
586 rxvt_environ = environ;
587
588 signal (SIGHUP, SIG_IGN);
589 signal (SIGPIPE, SIG_IGN);
590
591 sig_handlers.sw_term.start (SIGTERM);
592 sig_handlers.sw_int.start (SIGINT);
593
594 /* need to trap SIGURG for SVR4 (Unixware) rlogin */
595 /* signal (SIGURG, SIG_DFL); */
596
597 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
598 // TODO: handle this with exceptions and tolerate the memory loss
599 XSetIOErrorHandler (rxvt_xioerror_handler);
600
601 XrmInitialize ();
321} 602}
322 603
323/* ------------------------------------------------------------------------- * 604/* ------------------------------------------------------------------------- *
324 * MEMORY ALLOCATION WRAPPERS * 605 * MEMORY ALLOCATION WRAPPERS *
325 * ------------------------------------------------------------------------- */ 606 * ------------------------------------------------------------------------- */
326/* EXTPROTO */ 607void *
327void *
328rxvt_malloc(size_t size) 608rxvt_malloc (size_t size)
329{ 609{
330 void *p;
331
332 p = malloc(size); 610 void *p = malloc (size);
611
333 if (p) 612 if (!p)
613 rxvt_fatal ("memory allocation failure. aborting.\n");
614
334 return p; 615 return p;
335
336 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
337 rxvt_clean_exit();
338 exit(EXIT_FAILURE);
339/* NOTREACHED */
340} 616}
341 617
342/* EXTPROTO */ 618void *
343void *
344rxvt_calloc(size_t number, size_t size) 619rxvt_calloc (size_t number, size_t size)
345{ 620{
346 void *p;
347
348 p = calloc(number, size); 621 void *p = calloc (number, size);
622
349 if (p) 623 if (!p)
624 rxvt_fatal ("memory allocation failure. aborting.\n");
625
350 return p; 626 return p;
351
352 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
353 rxvt_clean_exit();
354 exit(EXIT_FAILURE);
355/* NOTREACHED */
356} 627}
357 628
358/* EXTPROTO */ 629void *
359void *
360rxvt_realloc(void *ptr, size_t size) 630rxvt_realloc (void *ptr, size_t size)
361{ 631{
362 void *p;
363
364 if (ptr)
365 p = realloc(ptr, size); 632 void *p = realloc (ptr, size);
366 else 633
367 p = malloc(size);
368 if (p) 634 if (!p)
635 rxvt_fatal ("memory allocation failure. aborting.\n");
636
369 return p; 637 return p;
370
371 fprintf(stderr, APL_NAME ": memory allocation failure. Aborting");
372 rxvt_clean_exit();
373 exit(EXIT_FAILURE);
374/* NOTREACHED */
375} 638}
376
377/* ------------------------------------------------------------------------- *
378 * PRIVILEGED OPERATIONS *
379 * ------------------------------------------------------------------------- */
380/* take care of suid/sgid super-user (root) privileges */
381/* INTPROTO */
382void
383rxvt_privileges(pR_ int mode)
384{
385#if ! defined(__CYGWIN32__)
386# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
387/* setreuid() is the poor man's setuid(), seteuid() */
388# define seteuid(a) setreuid(-1, (a))
389# define setegid(a) setregid(-1, (a))
390# define HAVE_SETEUID
391# endif
392# ifdef HAVE_SETEUID
393 switch (mode) {
394 case IGNORE:
395 /*
396 * change effective uid/gid - not real uid/gid - so we can switch
397 * back to root later, as required
398 */
399 seteuid(getuid());
400 setegid(getgid());
401 break;
402 case SAVE:
403 R->euid = geteuid();
404 R->egid = getegid();
405 break;
406 case RESTORE:
407 seteuid(R->euid);
408 setegid(R->egid);
409 break;
410 }
411# else
412 switch (mode) {
413 case IGNORE:
414 setuid(getuid());
415 setgid(getgid());
416 /* FALLTHROUGH */
417 case SAVE:
418 /* FALLTHROUGH */
419 case RESTORE:
420 break;
421 }
422# endif
423#endif
424}
425
426#ifdef UTMP_SUPPORT
427/* EXTPROTO */
428void
429rxvt_privileged_utmp(pR_ char action)
430{
431 D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)",
432 action, R->next_utmp_action, getpid()));
433 if (R->next_utmp_action != action || (action != SAVE && action != RESTORE)
434 || (R->Options & Opt_utmpInhibit)
435 || R->ttydev == NULL || *R->ttydev == '\0')
436 return;
437
438 rxvt_privileges(aR_ RESTORE);
439 if (action == SAVE) {
440 R->next_utmp_action = RESTORE;
441 rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]);
442 } else { /* action == RESTORE */
443 R->next_utmp_action = IGNORE;
444 rxvt_cleanutent(aR);
445 }
446 rxvt_privileges(aR_ IGNORE);
447}
448#endif
449
450#ifndef NO_SETOWNER_TTYDEV
451/* EXTPROTO */
452void
453rxvt_privileged_ttydev(pR_ char action)
454{
455 D_MAIN((stderr,
456 "rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)",
457 action, R->next_tty_action, getpid()));
458 if (R->next_tty_action != action || (action != SAVE && action != RESTORE)
459 || R->ttydev == NULL || *R->ttydev == '\0')
460 return;
461
462 rxvt_privileges(aR_ RESTORE);
463
464 if (action == SAVE) {
465 R->next_tty_action = RESTORE;
466# ifndef RESET_TTY_TO_COMMON_DEFAULTS
467/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */
468 if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */
469 R->next_tty_action = IGNORE;
470 else
471# endif
472 {
473 chown(R->ttydev, getuid(), R->ttygid); /* fail silently */
474 chmod(R->ttydev, R->ttymode);
475# ifdef HAVE_REVOKE
476 revoke(R->ttydev);
477# endif
478 }
479 } else { /* action == RESTORE */
480 R->next_tty_action = IGNORE;
481# ifndef RESET_TTY_TO_COMMON_DEFAULTS
482 chmod(R->ttydev, R->ttyfd_stat.st_mode);
483 chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid);
484# else
485 chmod(R->ttydev,
486 (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
487 chown(R->ttydev, 0, 0);
488# endif
489 }
490
491 rxvt_privileges(aR_ IGNORE);
492
493# ifndef RESET_TTY_TO_COMMON_DEFAULTS
494 D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
495 action == RESTORE ? "Restoring" : (action ==
496 SAVE ? "Saving" :
497 "UNKNOWN ERROR for"), R->ttydev,
498 R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid,
499 R->ttyfd_stat.st_gid));
500# endif
501}
502#endif
503 639
504/*----------------------------------------------------------------------*/ 640/*----------------------------------------------------------------------*/
505/* 641/*
506 * window size/position calculcations for XSizeHint and other storage. 642 * window size/position calculcations for XSizeHint and other storage.
507 * if width/height are non-zero then override calculated width/height 643 * if width/height are non-zero then override calculated width/height
508 */ 644 */
509/* EXTPROTO */
510void 645void
511rxvt_window_calc(pR_ unsigned int width, unsigned int height) 646rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
512{ 647{
513 short recalc_x, recalc_y; 648 short recalc_x, recalc_y;
514 int x, y, sb_w, mb_h, flags; 649 int x, y, sb_w, flags;
515 unsigned int w, h; 650 unsigned int w, h;
516 unsigned int max_width, max_height; 651 unsigned int max_width, max_height;
652 dDisp;
517 653
518 D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", 654 D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
519 R->TermWin.ncol, R->TermWin.nrow, R->szHint.width, 655 ncol, nrow, szHint.width, szHint.height));
520 R->szHint.height)); 656
521 R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; 657 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
522 R->szHint.win_gravity = NorthWestGravity; 658 szHint.win_gravity = NorthWestGravity;
523/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */ 659 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
524 660
525 recalc_x = recalc_y = 0; 661 recalc_x = recalc_y = 0;
526 flags = 0; 662 flags = 0;
663
527 if (!R->parsed_geometry) { 664 if (!parsed_geometry)
665 {
528 R->parsed_geometry = 1; 666 parsed_geometry = 1;
667
529 if (R->rs[Rs_geometry]) 668 if (rs[Rs_geometry])
530 flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h); 669 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
670
531 if (flags & WidthValue) { 671 if (flags & WidthValue)
532 R->TermWin.ncol = BOUND_POSITIVE_INT16(w); 672 {
673 ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
533 R->szHint.flags |= USSize; 674 szHint.flags |= USSize;
534 } 675 }
676
535 if (flags & HeightValue) { 677 if (flags & HeightValue)
536 R->TermWin.nrow = BOUND_POSITIVE_INT16(h); 678 {
679 nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
537 R->szHint.flags |= USSize; 680 szHint.flags |= USSize;
538 } 681 }
682
539 if (flags & XValue) { 683 if (flags & XValue)
684 {
540 R->szHint.x = x; 685 szHint.x = x;
541 R->szHint.flags |= USPosition; 686 szHint.flags |= USPosition;
687
542 if (flags & XNegative) { 688 if (flags & XNegative)
689 {
543 recalc_x = 1; 690 recalc_x = 1;
544 R->szHint.win_gravity = NorthEastGravity; 691 szHint.win_gravity = NorthEastGravity;
545 } 692 }
546 } 693 }
694
547 if (flags & YValue) { 695 if (flags & YValue)
696 {
548 R->szHint.y = y; 697 szHint.y = y;
549 R->szHint.flags |= USPosition; 698 szHint.flags |= USPosition;
699
550 if (flags & YNegative) { 700 if (flags & YNegative)
701 {
551 recalc_y = 1; 702 recalc_y = 1;
703
552 if (R->szHint.win_gravity == NorthEastGravity) 704 if (szHint.win_gravity == NorthEastGravity)
553 R->szHint.win_gravity = SouthEastGravity; 705 szHint.win_gravity = SouthEastGravity;
554 else 706 else
555 R->szHint.win_gravity = SouthWestGravity; 707 szHint.win_gravity = SouthWestGravity;
556 } 708 }
557 } 709 }
558 } 710 }
711
559/* TODO: BOUNDS */ 712 /* TODO: BOUNDS */
560 R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth; 713 width = ncol * fwidth;
561 R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight; 714 height = nrow * fheight;
562 max_width = MAX_COLS * R->TermWin.fwidth; 715 max_width = MAX_COLS * fwidth;
563 max_height = MAX_ROWS * R->TermWin.fheight; 716 max_height = MAX_ROWS * fheight;
564 717
565 R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth; 718 szHint.base_width = szHint.base_height = 2 * int_bwidth;
566 719
567 sb_w = mb_h = 0; 720 sb_w = 0;
568 R->window_vt_x = R->window_vt_y = 0; 721 window_vt_x = window_vt_y = int_bwidth;
569 if (scrollbar_visible(R)) { 722
723 if (scrollBar.state)
724 {
570 sb_w = scrollbar_TotalWidth(); 725 sb_w = scrollbar_TotalWidth ();
571 R->szHint.base_width += sb_w; 726 szHint.base_width += sb_w;
572 if (!(R->Options & Opt_scrollBar_right)) 727 if (!OPTION (Opt_scrollBar_right))
573 R->window_vt_x = sb_w; 728 window_vt_x += sb_w;
574 } 729 }
575 if (menubar_visible(R)) { 730
576 mb_h = menuBar_TotalHeight();
577 R->szHint.base_height += mb_h;
578 R->window_vt_y = mb_h;
579 }
580 R->szHint.width_inc = R->TermWin.fwidth; 731 szHint.width_inc = fwidth;
581 R->szHint.height_inc = R->TermWin.fheight; 732 szHint.height_inc = fheight;
582 R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc; 733 szHint.min_width = szHint.base_width + szHint.width_inc;
583 R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc; 734 szHint.min_height = szHint.base_height + szHint.height_inc;
584 735
585 if (width && width - R->szHint.base_width < max_width) { 736 if (newwidth && newwidth - szHint.base_width < max_width)
737 {
586 R->szHint.width = width; 738 szHint.width = newwidth;
587 R->TermWin.width = width - R->szHint.base_width; 739 width = newwidth - szHint.base_width;
588 } else { 740 }
589 MIN_IT(R->TermWin.width, max_width); 741 else
742 {
743 min_it (width, max_width);
590 R->szHint.width = R->szHint.base_width + R->TermWin.width; 744 szHint.width = szHint.base_width + width;
591 } 745 }
746
592 if (height && height - R->szHint.base_height < max_height) { 747 if (newheight && newheight - szHint.base_height < max_height)
748 {
593 R->szHint.height = height; 749 szHint.height = newheight;
594 R->TermWin.height = height - R->szHint.base_height; 750 height = newheight - szHint.base_height;
595 } else { 751 }
596 MIN_IT(R->TermWin.height, max_height); 752 else
753 {
754 min_it (height, max_height);
597 R->szHint.height = R->szHint.base_height + R->TermWin.height; 755 szHint.height = szHint.base_height + height;
598 } 756 }
599 if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right)) 757
758 if (scrollBar.state && OPTION (Opt_scrollBar_right))
600 R->window_sb_x = R->szHint.width - sb_w; 759 window_sb_x = szHint.width - sb_w;
601 760
602 if (recalc_x) 761 if (recalc_x)
603 R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen) 762 szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
604 - R->szHint.width - 2 * R->TermWin.ext_bwidth);
605 if (recalc_y) 763 if (recalc_y)
606 R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen) 764 szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
607 - R->szHint.height - 2 * R->TermWin.ext_bwidth);
608 765
609 R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth; 766 ncol = width / fwidth;
610 R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight; 767 nrow = height / fheight;
611 D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", 768 D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
612 R->TermWin.ncol, R->TermWin.nrow, R->szHint.width, 769 ncol, nrow, szHint.width,
613 R->szHint.height)); 770 szHint.height));
614 return; 771 return;
615} 772}
616 773
617/*----------------------------------------------------------------------*/ 774/*----------------------------------------------------------------------*/
618/* 775/*
619 * Tell the teletype handler what size the window is. 776 * Tell the teletype handler what size the window is.
620 * Called after a window size change. 777 * Called after a window size change.
621 */ 778 */
622void 779void
623rxvt_term::tt_winch () 780rxvt_term::tt_winch ()
624{ 781{
625 struct winsize ws; 782 if (pty->pty < 0)
626
627 if (cmd_fd < 0)
628 return; 783 return;
629 784
785 struct winsize ws;
786
630 ws.ws_col = TermWin.ncol; 787 ws.ws_col = ncol;
631 ws.ws_row = TermWin.nrow; 788 ws.ws_row = nrow;
632 ws.ws_xpixel = ws.ws_ypixel = 0; 789 ws.ws_xpixel = width;
633#ifndef DEBUG_SIZE 790 ws.ws_ypixel = height;
634 (void)ioctl (cmd_fd, TIOCSWINSZ, &ws); 791 (void)ioctl (pty->pty, TIOCSWINSZ, &ws);
635#else 792
636 if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0) 793#if 0
637 D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd)); 794 // TIOCSWINSZ⎈ is supposed to do this automatically and correctly
638# ifdef SIGWINCH
639 else if (cmd_pid) /* force through to the command */ 795 if (cmd_pid) /* force through to the command */
640 kill (cmd_pid, SIGWINCH); 796 kill (-cmd_pid, SIGWINCH);
641# endif
642#endif 797#endif
643} 798}
644 799
645/*----------------------------------------------------------------------*/ 800/*----------------------------------------------------------------------*/
646/* rxvt_change_font() - Switch to a new font */ 801/* set_fonts () - load and set the various fonts
647/* 802 *
648 * init = 1 - initialize 803 * init = 1 - initialize
649 * 804 *
650 * fontname == FONT_UP - switch to bigger font 805 * fontname == FONT_UP - switch to bigger font
651 * fontname == FONT_DN - switch to smaller font 806 * fontname == FONT_DN - switch to smaller font
652 */ 807 */
653/* EXTPROTO */ 808bool
654void 809rxvt_term::set_fonts ()
655rxvt_change_font(pR_ int init, const char *fontname)
656{ 810{
657} 811 rxvt_fontset *fs = new rxvt_fontset (this);
812 rxvt_fontprop prop;
658 813
659/* INTPROTO */ 814 if (!fs
660void 815 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
661rxvt_font_up_down(pR_ int n, int direction) 816 || !fs->realize_font (1))
817 {
818 delete fs;
819 return false;
820 }
821
822#if ENABLE_STYLES
823 for (int i = RS_styleCount; --i; )
824 if (fontset[i] != fontset[0])
825 delete fontset[i];
826#endif
827
828 delete fontset[0];
829 fontset[0] = fs;
830
831 prop = (*fs)[1]->properties ();
832 prop.height += lineSpace;
833 fs->set_prop (prop);
834
835 fwidth = prop.width;
836 fheight = prop.height;
837 fbase = prop.ascent;
838
839 for (int style = 1; style < 4; style++)
840 {
841#if ENABLE_STYLES
842 const char *res = rs[Rs_font + style];
843
844 if (res && !*res)
845 fontset[style] = fontset[0];
846 else
847 {
848 fontset[style] = fs = new rxvt_fontset (this);
849 rxvt_fontprop prop2 = prop;
850
851 if (res)
852 prop2.weight = prop2.slant = rxvt_fontprop::unset;
853 else
854 {
855 res = fontset[0]->fontdesc;
856
857 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
858 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
859 }
860
861 fs->populate (res);
862 fs->set_prop (prop2);
863 }
864#else
865 fontset[style] = fontset[0];
866#endif
867 }
868
869 if (parent[0])
870 {
871 resize_all_windows (0, 0, 0);
872 scr_remap_chars ();
873 scr_touch (true);
874 }
875
876 return true;
877}
878
879void rxvt_term::set_string_property (Atom prop, const char *str, int len)
662{ 880{
881 XChangeProperty (display->display, parent[0],
882 prop, XA_STRING, 8, PropModeReplace,
883 (const unsigned char *)str, len >= 0 ? len : strlen (str));
884}
885
886void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
887{
888 wchar_t *ws = rxvt_mbstowcs (str, len);
889 char *s = rxvt_wcstoutf8 (ws);
890
891 XChangeProperty (display->display, parent[0],
892 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
893 (const unsigned char *)s, strlen (s));
894
895 free (s);
896 free (ws);
663} 897}
664 898
665/*----------------------------------------------------------------------*/ 899/*----------------------------------------------------------------------*/
666/*----------------------------------------------------------------------*/ 900/*----------------------------------------------------------------------*/
667/* xterm sequences - title, iconName, color (exptl) */ 901/* xterm sequences - title, iconName, color (exptl) */
668/* EXTPROTO */
669void 902void
670rxvt_set_title(pR_ const char *str) 903rxvt_term::set_title (const char *str)
671{ 904{
672#ifndef SMART_WINDOW_TITLE 905 set_string_property (XA_WM_NAME, str);
673 XStoreName(R->Xdisplay, R->TermWin.parent[0], str); 906#if ENABLE_EWMH
907 set_utf8_property (xa[XA_NET_WM_NAME], str);
908#endif
909}
910
911void
912rxvt_term::set_icon_name (const char *str)
913{
914 set_string_property (XA_WM_ICON_NAME, str);
915#if ENABLE_EWMH
916 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
917#endif
918}
919
920#ifdef XTERM_COLOR_CHANGE
921void
922rxvt_term::set_window_color (int idx, const char *color)
923{
924 rxvt_color xcol;
925 int i;
926
927 if (color == NULL || *color == '\0')
928 return;
929
930 /* handle color aliases */
931 if (isdigit (*color))
932 {
933 i = atoi (color);
934
935 if (i >= 8 && i <= 15)
936 { /* bright colors */
937 i -= 8;
938 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
939 SET_PIXCOLOR (idx);
940 goto done;
941 }
942
943 if (i >= 0 && i <= 7)
944 { /* normal colors */
945 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
946 SET_PIXCOLOR (idx);
947 goto done;
948 }
949 }
950
951 if (!rXParseAllocColor (&xcol, color))
952 return;
953
954 /* XStoreColor (display->display, display->cmap, XColor*); */
955
956 /*
957 * FIXME: should free colors here, but no idea how to do it so instead,
958 * so just keep gobbling up the colormap
959 */
960# if 0
961 for (i = Color_Black; i <= Color_White; i++)
962 if (pix_colors[idx] == pix_colors[i])
963 break;
964 if (i > Color_White)
965 {
966 /* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
967 XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
968 DisplayPlanes (display->display, display->screen));
969 }
970# endif
971
972 pix_colors_focused[idx] = xcol;
973 SET_PIXCOLOR (idx);
974
975 /* XSetWindowAttributes attr; */
976 /* Cursor cursor; */
977done:
978
979#if OFF_FOCUS_FADING
980 if (rs[Rs_fade])
981 pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
982#endif
983
984 /*TODO: handle Color_BD, scrollbar background, etc. */
985
986 recolour_cursor ();
987 scr_recolour ();
988}
989
674#else 990#else
675 char *name;
676
677 if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0)
678 name = NULL;
679 if (name == NULL || STRCMP(name, str))
680 XStoreName(R->Xdisplay, R->TermWin.parent[0], str);
681 if (name)
682 XFree(name);
683#endif
684}
685
686/* EXTPROTO */
687void
688rxvt_set_iconName(pR_ const char *str)
689{
690#ifndef SMART_WINDOW_TITLE
691 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
692#else
693 char *name;
694
695 if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name))
696 name = NULL;
697 if (name == NULL || STRCMP(name, str))
698 XSetIconName(R->Xdisplay, R->TermWin.parent[0], str);
699 if (name)
700 XFree(name);
701#endif
702}
703
704#ifdef XTERM_COLOR_CHANGE
705/* EXTPROTO */
706void
707rxvt_set_window_color(pR_ int idx, const char *color)
708{
709 rxvt_color xcol;
710 int i;
711
712 if (color == NULL || *color == '\0')
713 return;
714
715/* handle color aliases */
716 if (isdigit(*color)) {
717 i = atoi(color);
718 if (i >= 8 && i <= 15) { /* bright colors */
719 i -= 8;
720# ifndef NO_BRIGHTCOLOR
721 R->PixColors[idx] = R->PixColors[minBrightCOLOR + i];
722 SET_PIXCOLOR(R, idx);
723 goto Done;
724# endif
725 }
726 if (i >= 0 && i <= 7) { /* normal colors */
727 R->PixColors[idx] = R->PixColors[minCOLOR + i];
728 SET_PIXCOLOR(R, idx);
729 goto Done;
730 }
731 }
732 if (!rxvt_rXParseAllocColor(aR_ & xcol, color))
733 return;
734/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */
735
736/*
737 * FIXME: should free colors here, but no idea how to do it so instead,
738 * so just keep gobbling up the colormap
739 */
740# if 0
741 for (i = Color_Black; i <= Color_White; i++)
742 if (R->PixColors[idx] == R->PixColors[i])
743 break;
744 if (i > Color_White) {
745 /* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */
746 XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1,
747 DisplayPlanes(R->Xdisplay, Xscreen));
748 }
749# endif
750
751 R->PixColors[idx] = xcol;
752 SET_PIXCOLOR(R, idx);
753
754/* XSetWindowAttributes attr; */
755/* Cursor cursor; */
756 Done:
757 if (idx == Color_bg && !(R->Options & Opt_transparent))
758 XSetWindowBackground(R->Xdisplay, R->TermWin.vt,
759 R->PixColors[Color_bg]);
760
761/* handle Color_BD, scrollbar background, etc. */
762
763 rxvt_set_colorfgbg(aR);
764 rxvt_recolour_cursor(aR);
765/* the only reasonable way to enforce a clean update */
766 rxvt_scr_poweron(aR);
767}
768
769#else
770# define rxvt_set_window_color(aR_ idx,color) ((void)0) 991# define set_window_color (idx,color) ((void)0)
771#endif /* XTERM_COLOR_CHANGE */ 992#endif /* XTERM_COLOR_CHANGE */
772 993
773/* EXTPROTO */
774void 994void
775rxvt_recolour_cursor(pR) 995rxvt_term::recolour_cursor ()
776{ 996{
777 rxvt_color xcol[2]; 997 XColor xcol[2];
778 998
779#if TODO 999 xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
780 xcol[0] = R->PixColors[Color_pointer]; 1000 ? pix_colors_focused[Color_pointer_fg]
781 xcol[1] = R->PixColors[Color_bg]; 1001 : pix_colors_focused[Color_fg];
782 XQueryColors(R->Xdisplay, XCMAP, xcol, 2); 1002 xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
1003 ? pix_colors_focused[Color_pointer_bg]
1004 : pix_colors_focused[Color_bg];
1005
1006 XQueryColors (display->display, display->cmap, xcol, 2);
783 XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1])); 1007 XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
784#endif
785} 1008}
786 1009
787/*----------------------------------------------------------------------*/ 1010/*----------------------------------------------------------------------*/
788/* 1011/*
789 * find if fg/bg matches any of the normal (low-intensity) colors 1012 * find if fg/bg matches any of the normal (low-intensity) colors
790 */ 1013 */
791/* INTPROTO */
792void 1014void
793rxvt_set_colorfgbg(pR) 1015rxvt_term::set_colorfgbg ()
794{ 1016{
795 unsigned int i; 1017 unsigned int i;
796 const char *xpmb = "\0"; 1018 const char *xpmb = "\0";
797 char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1]; 1019 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
798 1020
799 R->env_colorfgbg =
800 (char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1); 1021 env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
801 STRCPY(fstr, "default"); 1022 strcpy (fstr, "default");
802 STRCPY(bstr, "default"); 1023 strcpy (bstr, "default");
803 for (i = Color_Black; i <= Color_White; i++) 1024 for (i = Color_Black; i <= Color_White; i++)
804 if (R->PixColors[Color_fg] == R->PixColors[i]) { 1025 if (pix_colors[Color_fg] == pix_colors[i])
1026 {
805 sprintf(fstr, "%d", (i - Color_Black)); 1027 sprintf (fstr, "%d", (i - Color_Black));
806 break; 1028 break;
807 } 1029 }
1030
808 for (i = Color_Black; i <= Color_White; i++) 1031 for (i = Color_Black; i <= Color_White; i++)
809 if (R->PixColors[Color_bg] == R->PixColors[i]) { 1032 if (pix_colors[Color_bg] == pix_colors[i])
1033 {
810 sprintf(bstr, "%d", (i - Color_Black)); 1034 sprintf (bstr, "%d", (i - Color_Black));
811#ifdef XPM_BACKGROUND 1035#ifdef XPM_BACKGROUND
812 xpmb = "default;"; 1036 xpmb = "default;";
813#endif 1037#endif
814 break; 1038 break;
815 } 1039 }
1040
816 sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); 1041 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
817 putenv(R->env_colorfgbg);
818
819#ifndef NO_BRIGHTCOLOR
820 R->colorfgbg = DEFAULT_RSTYLE;
821 for (i = minCOLOR; i <= maxCOLOR; i++) {
822 if (R->PixColors[Color_fg] == R->PixColors[i])
823 R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i);
824 if (R->PixColors[Color_bg] == R->PixColors[i])
825 R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i);
826 }
827#endif
828} 1042}
829 1043
830/*----------------------------------------------------------------------*/ 1044/*----------------------------------------------------------------------*/
831/*
832 * Colour determination for low colour displays, routine from
833 * Hans de Goede <hans@highrise.nl>
834 */
835 1045
836/* EXTPROTO */
837int 1046int
838rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour) 1047rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
839{ 1048{
840 screen_in_out->set(aR_ colour);
841
842 if (!screen_in_out->set(aR_ colour)) { 1049 if (!screen_in_out->set (display, colour))
843 rxvt_print_error("can't allocate colour: %s", colour); 1050 {
1051 rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
844 return false; 1052 return false;
845 } 1053 }
846 1054
847 return true; 1055 return true;
848} 1056}
849 1057
850/* -------------------------------------------------------------------- * 1058/* -------------------------------------------------------------------- *
851 * - WINDOW RESIZING - * 1059 * - WINDOW RESIZING - *
852 * -------------------------------------------------------------------- */ 1060 * -------------------------------------------------------------------- */
853/* EXTPROTO */
854void 1061void
855rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height, 1062rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
856 int ignoreparent)
857{ 1063{
858 int fix_screen; 1064 int fix_screen;
1065 int old_width = szHint.width, old_height = szHint.height;
1066 dDisp;
859 1067
1068 window_calc (newwidth, newheight);
1069 XSetWMNormalHints (disp, parent[0], &szHint);
1070
1071 if (!ignoreparent)
1072 {
860#ifdef SMART_RESIZE 1073#ifdef SMART_RESIZE
861 int old_width = R->szHint.width, old_height = R->szHint.height; 1074 /*
862#endif
863
864 rxvt_window_calc(aR_ width, height);
865 XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint);
866 if (!ignoreparent) {
867#ifdef SMART_RESIZE
868/*
869 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> 1075 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
870 * reposition window on resize depending on placement on screen 1076 * reposition window on resize depending on placement on screen
871 */ 1077 */
872 int x, y, x1, y1; 1078 int x, y, x1, y1;
873 int dx, dy; 1079 int dx, dy;
874 unsigned int unused_w1, unused_h1, unused_b1, unused_d1; 1080 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
875 Window unused_cr; 1081 Window unused_cr;
876 1082
877 XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot, 1083 XTranslateCoordinates (disp, parent[0], display->root,
878 0, 0, &x, &y, &unused_cr); 1084 0, 0, &x, &y, &unused_cr);
879 XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1, 1085 XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
880 &unused_w1, &unused_h1, &unused_b1, &unused_d1); 1086 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
881 /* 1087 /*
882 * if Xroot isn't the parent window, a WM will probably have offset 1088 * if display->root isn't the parent window, a WM will probably have offset
883 * our position for handles and decorations. Counter it 1089 * our position for handles and decorations. Counter it
884 */ 1090 */
885 if (x1 != x || y1 != y) { 1091 if (x1 != x || y1 != y)
1092 {
886 x -= x1; 1093 x -= x1;
887 y -= y1; 1094 y -= y1;
888 } 1095 }
889 1096
890 x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2; 1097 x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
891 y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2; 1098 y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
892 dx = old_width - R->szHint.width; 1099 dx = old_width - szHint.width;
893 dy = old_height - R->szHint.height; 1100 dy = old_height - szHint.height;
894 1101
895 /* Check position of the center of the window */ 1102 /* Check position of the center of the window */
896 if (x < x1) /* left half */ 1103 if (x < x1) /* left half */
897 dx = 0; 1104 dx = 0;
898 else if (x == x1) /* exact center */ 1105 else if (x == x1) /* exact center */
899 dx /= 2; 1106 dx /= 2;
900 if (y < y1) /* top half */ 1107 if (y < y1) /* top half */
901 dy = 0; 1108 dy = 0;
902 else if (y == y1) /* exact center */ 1109 else if (y == y1) /* exact center */
903 dy /= 2; 1110 dy /= 2;
904 1111
905 XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy, 1112 XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
906 R->szHint.width, R->szHint.height); 1113 szHint.width, szHint.height);
907#else 1114#else
908 XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width, 1115 XResizeWindow (disp, parent[0], szHint.width, szHint.height);
909 R->szHint.height);
910#endif 1116#endif
911 } 1117 }
912 1118
913 fix_screen = (R->TermWin.ncol != R->prev_ncol 1119 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
914 || R->TermWin.nrow != R->prev_nrow); 1120
915 if (fix_screen || width != R->old_width || height != R->old_height) { 1121 if (fix_screen || newwidth != old_width || newheight != old_height)
916 if (scrollbar_visible(R)) { 1122 {
1123 if (scrollBar.state)
1124 {
917 XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x, 1125 XMoveResizeWindow (disp, scrollBar.win,
1126 window_sb_x, 0,
918 0, scrollbar_TotalWidth(), R->szHint.height); 1127 scrollbar_TotalWidth (), szHint.height);
919 rxvt_Resize_scrollBar(aR); 1128 resize_scrollbar ();
920 } 1129 }
921 if (menubar_visible(R)) 1130
922 XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x, 1131 XMoveResizeWindow (disp, vt,
923 0, TermWin_TotalWidth(), menuBar_TotalHeight()); 1132 window_vt_x, window_vt_y,
924 XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x,
925 R->window_vt_y, TermWin_TotalWidth(),
926 TermWin_TotalHeight()); 1133 width, height);
927#ifdef RXVT_GRAPHICS 1134
928 if (R->old_height)
929 rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width,
930 R->old_height - R->szHint.base_height);
931#endif
932 rxvt_scr_clear(aR); 1135 scr_clear ();
933#ifdef XPM_BACKGROUND 1136#ifdef XPM_BACKGROUND
934 rxvt_resize_pixmap(aR); 1137 resize_pixmap ();
935#endif 1138#endif
936 } 1139 }
937 1140
938 if (fix_screen || R->old_height == 0) { 1141 if (fix_screen || old_height == 0)
1142 {
939 int curr_screen = -1; 1143 int curr_screen = -1;
940 uint16_t old_ncol = R->prev_ncol; 1144 int old_ncol = prev_ncol;
941 1145
942 /* scr_reset only works on the primary screen */ 1146 /* scr_reset only works on the primary screen */
943 if (R->old_height) /* this is not the first time through */ 1147 if (old_height) /* this is not the first time through */
1148 {
1149 unsigned int ocol = ncol;
1150 ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
944 curr_screen = rxvt_scr_change_screen(aR_ PRIMARY); 1151 curr_screen = scr_change_screen (PRIMARY);
945 rxvt_scr_reset(aR); 1152 ncol = ocol;
946 if (curr_screen >= 0) { /* this is not the first time through */
947 rxvt_scr_change_screen(aR_ curr_screen);
948 rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0));
949 } 1153 }
950 }
951 1154
1155 scr_reset ();
1156
1157 if (curr_screen >= 0) /* this is not the first time through */
1158 {
1159 scr_change_screen (curr_screen);
1160 selection_check (old_ncol != ncol ? 4 : 0);
1161 }
1162 }
1163
952 R->old_width = R->szHint.width; 1164 old_width = szHint.width;
953 R->old_height = R->szHint.height; 1165 old_height = szHint.height;
1166
1167#ifdef XPM_BACKGROUND
1168 if (pixmap)
1169 scr_touch (false);
1170#endif
954 1171
955#ifdef USE_XIM 1172#ifdef USE_XIM
956 rxvt_IMSetStatusPosition(aR); 1173 IMSetStatusPosition ();
957#endif 1174#endif
958} 1175}
959 1176
960/* 1177/*
961 * Set the width/height of the vt window in characters. Units are pixels. 1178 * Set the width/height of the vt window in characters. Units are pixels.
962 * good for toggling 80/132 columns 1179 * good for toggling 80/132 columns
963 */ 1180 */
964/* EXTPROTO */
965void 1181void
966rxvt_set_widthheight(pR_ unsigned int width, unsigned int height) 1182rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
967{ 1183{
968 XWindowAttributes wattr; 1184 XWindowAttributes wattr;
969 1185
970 if (width == 0 || height == 0) { 1186 if (newwidth == 0 || newheight == 0)
1187 {
971 XGetWindowAttributes(R->Xdisplay, Xroot, &wattr); 1188 XGetWindowAttributes (display->display, display->root, &wattr);
1189
972 if (width == 0) 1190 if (newwidth == 0)
973 width = wattr.width - R->szHint.base_width; 1191 newwidth = wattr.width - szHint.base_width;
974 if (height == 0) 1192 if (newheight == 0)
975 height = wattr.height - R->szHint.base_height; 1193 newheight = wattr.height - szHint.base_height;
1194 }
1195
1196 if (newwidth != width || newheight != height)
976 } 1197 {
977 if (width != R->TermWin.width || height != R->TermWin.height) {
978 width += R->szHint.base_width; 1198 newwidth += szHint.base_width;
979 height += R->szHint.base_height; 1199 newheight += szHint.base_height;
980 rxvt_resize_all_windows(aR_ width, height, 0); 1200 resize_all_windows (newwidth, newheight, 0);
981 } 1201 }
982} 1202}
983 1203
984/* -------------------------------------------------------------------- * 1204/* -------------------------------------------------------------------- *
985 * - X INPUT METHOD ROUTINES - * 1205 * - X INPUT METHOD ROUTINES - *
986 * -------------------------------------------------------------------- */ 1206 * -------------------------------------------------------------------- */
987#ifdef USE_XIM 1207#ifdef USE_XIM
988/* INTPROTO */
989void
990rxvt_setSize(pR_ XRectangle * size)
991{
992 size->x = R->TermWin.int_bwidth;
993 size->y = R->TermWin.int_bwidth;
994 size->width = Width2Pixel(R->TermWin.ncol);
995 size->height = Height2Pixel(R->TermWin.nrow);
996}
997 1208
998/* INTPROTO */
999void 1209void
1000rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg) 1210rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1001{ 1211{
1002 *fg = R->PixColors[Color_fg]; 1212 fg = pix_colors[Color_fg];
1003 *bg = R->PixColors[Color_bg]; 1213 bg = pix_colors[Color_bg];
1214}
1215
1216void
1217rxvt_term::im_set_size (XRectangle &size)
1218{
1219 // the int_bwidth terms make no sense to me
1220 size.x = int_bwidth;
1221 size.y = int_bwidth;
1222 size.width = Width2Pixel (ncol) + int_bwidth;
1223 size.height = Height2Pixel (nrow) + int_bwidth;
1224}
1225
1226void
1227rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1228 XRectangle &status_rect,
1229 const XRectangle &needed_rect)
1230{
1231 preedit_rect.x = needed_rect.width;
1232 preedit_rect.y = 0;
1233 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1234 preedit_rect.height = fheight;
1235
1236 status_rect.x = 0;
1237 status_rect.y = 0;
1238 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1239 status_rect.height = fheight;
1004} 1240}
1005 1241
1006/* Checking whether input method is running. */ 1242/* Checking whether input method is running. */
1007/* INTPROTO */
1008Bool 1243bool
1009rxvt_IMisRunning(pR) 1244rxvt_term::IMisRunning ()
1010{ 1245{
1011 char *p; 1246 char *p;
1012 Atom atom; 1247 Atom atom;
1013 Window win; 1248 Window win;
1014 char server[IMBUFSIZ]; 1249 char server[IMBUFSIZ];
1015 1250
1016/* get current locale modifier */ 1251 /* get current locale modifier */
1017 if ((p = XSetLocaleModifiers(NULL)) != NULL) { 1252 if ((p = XSetLocaleModifiers (NULL)) != NULL)
1253 {
1018 STRCPY(server, "@server="); 1254 strcpy (server, "@server=");
1019 STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */ 1255 strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1256
1020 if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */ 1257 if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1021 *p = '\0'; 1258 *p = '\0';
1022 1259
1023 atom = XInternAtom(R->Xdisplay, server, False); 1260 atom = XInternAtom (display->display, server, False);
1024 win = XGetSelectionOwner(R->Xdisplay, atom); 1261 win = XGetSelectionOwner (display->display, atom);
1262
1025 if (win != None) 1263 if (win != None)
1026 return True; 1264 return True;
1027 } 1265 }
1266
1028 return False; 1267 return False;
1029} 1268}
1030 1269
1031/* EXTPROTO */
1032void 1270void
1033rxvt_IMSendSpot(pR) 1271rxvt_term::IMSendSpot ()
1034{ 1272{
1035 XPoint spot; 1273 XPoint nspot;
1036 XVaNestedList preedit_attr; 1274 XVaNestedList preedit_attr;
1037 1275
1038 if (R->Input_Context == NULL 1276 if (!Input_Context
1277 || !focus
1039 || !R->TermWin.focus || !(R->input_style & XIMPreeditPosition) 1278 || !(input_style & XIMPreeditPosition))
1040 || !(R->event_type == KeyPress
1041 || R->event_type == Expose
1042 || R->event_type == NoExpose
1043 || R->event_type == SelectionNotify
1044 || R->event_type == ButtonRelease || R->event_type == FocusIn)
1045 || !rxvt_IMisRunning(aR))
1046 return; 1279 return;
1047 1280
1048 rxvt_setPosition(aR_ & spot); 1281 im_set_position (nspot);
1049 1282
1283 if (nspot.x == spot.x && nspot.y == spot.y)
1284 return;
1285
1286 spot = nspot;
1287
1050 preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL); 1288 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1051 XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL); 1289 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1052 XFree(preedit_attr); 1290 XFree (preedit_attr);
1053} 1291}
1054 1292
1055/* EXTPROTO */
1056void 1293void
1057rxvt_setTermFontSet(pR_ int idx) 1294rxvt_term::im_destroy ()
1058{ 1295{
1059 char *string; 1296 if (input_method)
1060 long length; 1297 {
1061 int success = 0; 1298 if (Input_Context && input_method->xim)
1299 XDestroyIC (Input_Context);
1062 1300
1063 if (idx < 0 || idx >= MAX_NFONTS) 1301 display->put_xim (input_method);
1064 return; 1302 input_method = 0;
1065} 1303 }
1066 1304
1067/* INTPROTO */
1068void
1069rxvt_setPreeditArea (pR_ XRectangle * preedit_rect, XRectangle * status_rect,
1070 XRectangle * needed_rect)
1071{
1072 int mbh, vtx = 0;
1073
1074 if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right))
1075 vtx = scrollbar_TotalWidth();
1076 mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0;
1077 mbh -= R->TermWin.lineSpace;
1078
1079 preedit_rect->x = needed_rect->width + vtx;
1080 preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1081
1082 preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width
1083 + vtx;
1084 preedit_rect->height = Height2Pixel(1);
1085
1086 status_rect->x = vtx;
1087 status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh;
1088
1089 status_rect->width = needed_rect->width ? needed_rect->width
1090 : Width2Pixel(R->TermWin.ncol + 1);
1091 status_rect->height = Height2Pixel(1);
1092}
1093
1094/* ARGSUSED */
1095/* INTPROTO */
1096void
1097rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data
1098 __attribute__ ((unused)), XPointer call_data
1099 __attribute__ ((unused)))
1100{
1101 dR;
1102
1103 R->Input_Context = NULL; 1305 Input_Context = 0;
1104/* To avoid Segmentation Fault in C locale: Solaris only? */
1105 if (STRCMP(R->locale, "C"))
1106 XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL,
1107 rxvt_IMInstantiateCallback, NULL);
1108} 1306}
1109 1307
1110/* 1308/*
1111 * X manual pages and include files don't match on some systems: 1309 * Try to open a XIM with the current modifiers, then see if we can
1112 * some think this is an XIDProc and others an XIMProc so we can't 1310 * open a suitable preedit type
1113 * use the first argument - need to update this to be nice for
1114 * both types via some sort of configure detection
1115 */ 1311 */
1116/* ARGSUSED */ 1312bool
1117/* EXTPROTO */ 1313rxvt_term::IM_get_IC (const char *modifiers)
1118void
1119rxvt_IMInstantiateCallback(Display * unused
1120 __attribute__ ((unused)), XPointer client_data
1121 __attribute__ ((unused)), XPointer call_data
1122 __attribute__ ((unused)))
1123{ 1314{
1124 dR; 1315 int i, j, found;
1125 int i, found, had_im; 1316 XIM xim;
1317 XPoint spot;
1318 XRectangle rect, status_rect, needed_rect;
1319 unsigned long fg, bg;
1320 const char *p;
1321 char **s;
1322 XIMStyles *xim_styles;
1323
1324 set_environ (envv);
1325
1326 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1327 return false;
1328
1329 D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1330 input_method = display->get_xim (locale, modifiers);
1331 if (input_method == NULL)
1332 return false;
1333
1334 xim = input_method->xim;
1335 spot.x = spot.y = -1;
1336
1337 xim_styles = NULL;
1338 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1339 || !xim_styles || !xim_styles->count_styles)
1340 {
1341 im_destroy ();
1342 return false;
1343 }
1344
1345 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1346
1347 for (int pi = 0; pi < 2; pi++)
1348 {
1349 p = pet[pi];
1350
1351 if (!p)
1352 continue;
1353
1354 s = rxvt_splitcommastring (p);
1355
1356 for (i = found = 0; !found && s[i]; i++)
1357 {
1358 if (!strcmp (s[i], "OverTheSpot"))
1359 input_style = (XIMPreeditPosition | XIMStatusNothing);
1360 else if (!strcmp (s[i], "OffTheSpot"))
1361 input_style = (XIMPreeditArea | XIMStatusArea);
1362 else if (!strcmp (s[i], "Root"))
1363 input_style = (XIMPreeditNothing | XIMStatusNothing);
1364 else if (!strcmp (s[i], "None"))
1365 input_style = (XIMPreeditNone | XIMStatusNone);
1366
1367 for (j = 0; j < xim_styles->count_styles; j++)
1368 if (input_style == xim_styles->supported_styles[j])
1369 {
1370 rxvt_freecommastring (s);
1371
1372 found = 1;
1373 goto foundpet;
1374 }
1375
1376 }
1377
1378 rxvt_freecommastring (s);
1379 }
1380
1381foundpet:
1382
1383 XFree (xim_styles);
1384
1385 if (!found)
1386 {
1387 im_destroy ();
1388 return false;
1389 }
1390
1391 XFontSet fs = 0;
1392 XVaNestedList preedit_attr = 0, status_attr = 0;
1393
1394 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1395 {
1396 // fake us a font-set, please
1397 char **missing_charset_list;
1398 int missing_charset_count;
1399 char *def_string;
1400 char pat[512];
1401
1402 sprintf (pat,
1403 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1404 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1405 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1406 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1407 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1408 "*",
1409 fheight,
1410 fheight + 1, fheight - 1,
1411 fheight - 2, fheight + 2);
1412
1413 fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1414 &missing_charset_list, &missing_charset_count, &def_string);
1415
1416 if (missing_charset_list)
1417 XFreeStringList (missing_charset_list);
1418
1419 if (!fs)
1420 {
1421 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1422 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1423 }
1424 }
1425
1426 if (input_style & XIMPreeditPosition)
1427 {
1428 im_set_size (rect);
1429 im_set_position (spot);
1430 im_set_color (fg, bg);
1431
1432 preedit_attr = XVaCreateNestedList (0,
1433 XNForeground, fg,
1434 XNBackground, bg,
1435 XNArea, &rect,
1436 XNSpotLocation, &spot,
1437 XNFontSet, fs,
1438 NULL);
1439 }
1440 else if (input_style & XIMPreeditArea)
1441 {
1442 im_set_color (fg, bg);
1443
1444 /*
1445 * The necessary width of preedit area is unknown
1446 * until create input context.
1447 */
1448 needed_rect.width = 0;
1449 im_set_preedit_area (rect, status_rect, needed_rect);
1450
1451 preedit_attr = XVaCreateNestedList (0,
1452 XNForeground, fg,
1453 XNBackground, bg,
1454 XNArea, &rect,
1455 XNFontSet, fs,
1456 NULL);
1457 status_attr = XVaCreateNestedList (0,
1458 XNForeground, fg,
1459 XNBackground, bg,
1460 XNArea, &status_rect,
1461 XNFontSet, fs,
1462 NULL);
1463 }
1464
1465 Input_Context = XCreateIC (xim,
1466 XNInputStyle, input_style,
1467 XNClientWindow, vt,
1468 XNFocusWindow, parent[0],
1469 preedit_attr ? XNPreeditAttributes : NULL,
1470 preedit_attr,
1471 status_attr ? XNStatusAttributes : NULL,
1472 status_attr, NULL);
1473
1474 if (preedit_attr) XFree (preedit_attr);
1475 if (status_attr) XFree (status_attr);
1476 if (fs) XFreeFontSet (display->display, fs);
1477
1478 if (Input_Context == NULL)
1479 {
1480 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1481 im_destroy ();
1482 return false;
1483 }
1484
1485 if (input_style & XIMPreeditArea)
1486 IMSetStatusPosition ();
1487
1488 D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1489 return true;
1490}
1491
1492void
1493rxvt_term::im_cb ()
1494{
1495 int i;
1126 const char *p; 1496 const char *p;
1127 char **s; 1497 char **s;
1128 char buf[IMBUFSIZ]; 1498 char buf[IMBUFSIZ];
1129 1499
1500 make_current ();
1501
1502 im_destroy ();
1503
1130 D_MAIN((stderr, "rxvt_IMInstantiateCallback()")); 1504 D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1131 if (R->Input_Context) 1505 if (Input_Context)
1132 return; 1506 return;
1133 1507
1508#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1509 if (rs[Rs_imLocale])
1510 SET_LOCALE (rs[Rs_imLocale]);
1511#endif
1512
1134 p = R->rs[Rs_inputMethod]; 1513 p = rs[Rs_inputMethod];
1135 if (p && *p) 1514 if (p && *p)
1136 { 1515 {
1137 bool found = false; 1516 bool found = false;
1138 1517
1139 s = rxvt_splitcommastring (p); 1518 s = rxvt_splitcommastring (p);
1519
1140 for (i = 0; s[i]; i++) 1520 for (i = 0; s[i]; i++)
1141 { 1521 {
1142 if (*s[i]) 1522 if (*s[i])
1143 { 1523 {
1144 STRCPY (buf, "@im="); 1524 strcpy (buf, "@im=");
1145 STRNCAT (buf, s[i], IMBUFSIZ - 5); 1525 strncat (buf, s[i], IMBUFSIZ - 5);
1146 if ((p = XSetLocaleModifiers (buf)) && *p 1526 if (IM_get_IC (buf))
1147 && rxvt_IM_get_IC (aR))
1148 { 1527 {
1149 found = true; 1528 found = true;
1150 break; 1529 break;
1151 } 1530 }
1152 } 1531 }
1153 } 1532 }
1154 for (i = 0; s[i]; i++) 1533
1155 free(s[i]); 1534 rxvt_freecommastring (s);
1156 free(s);
1157 1535
1158 if (found) 1536 if (found)
1159 return; 1537 goto done;
1160 } 1538 }
1161 1539
1162/* try with XMODIFIERS env. var. */ 1540 /* try with XMODIFIERS env. var. */
1163 if ((p = XSetLocaleModifiers ("")) && *p 1541 if (IM_get_IC (""))
1164 && rxvt_IM_get_IC (aR)) 1542 goto done;
1543
1544 /* try with no modifiers base IF the user didn't specify an IM */
1545 if (IM_get_IC ("@im=none"))
1546 goto done;
1547
1548done:
1549#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1550 if (rs[Rs_imLocale])
1551 SET_LOCALE (locale);
1552#endif
1553}
1554
1555void
1556rxvt_term::IMSetStatusPosition ()
1557{
1558 XRectangle preedit_rect, status_rect, *needed_rect;
1559 XVaNestedList preedit_attr, status_attr;
1560
1561 if (!Input_Context
1562 || !focus
1563 || !(input_style & XIMPreeditArea)
1564 || !IMisRunning ())
1165 return; 1565 return;
1166 1566
1167/* try with no modifiers base IF the user didn't specify an IM */
1168 if ((p = XSetLocaleModifiers ("@im=none")) && *p
1169 && rxvt_IM_get_IC (aR) == True)
1170 return;
1171}
1172
1173/*
1174 * Try to open a XIM with the current modifiers, then see if we can
1175 * open a suitable preedit type
1176 */
1177/* INTPROTO */
1178Bool
1179rxvt_IM_get_IC(pR)
1180{
1181 int i, j, found;
1182 XIM xim;
1183 XPoint spot;
1184 XRectangle rect, status_rect, needed_rect;
1185 unsigned long fg, bg;
1186 const char *p;
1187 char **s;
1188 XIMStyles *xim_styles;
1189 XVaNestedList preedit_attr, status_attr;
1190 XIMCallback ximcallback;
1191
1192 D_MAIN((stderr, "rxvt_IM_get_IC()"));
1193 xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL);
1194 if (xim == NULL)
1195 return False;
1196
1197 xim_styles = NULL;
1198 if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)
1199 || !xim_styles || !xim_styles->count_styles) {
1200 XCloseIM(xim);
1201 return False;
1202 }
1203
1204 p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType]
1205 : "OverTheSpot,OffTheSpot,Root";
1206 s = rxvt_splitcommastring(p);
1207 for (i = found = 0; !found && s[i]; i++) {
1208 if (!STRCMP(s[i], "OverTheSpot"))
1209 R->input_style = (XIMPreeditPosition | XIMStatusNothing);
1210 else if (!STRCMP(s[i], "OffTheSpot"))
1211 R->input_style = (XIMPreeditArea | XIMStatusArea);
1212 else if (!STRCMP(s[i], "Root"))
1213 R->input_style = (XIMPreeditNothing | XIMStatusNothing);
1214
1215 for (j = 0; j < xim_styles->count_styles; j++)
1216 if (R->input_style == xim_styles->supported_styles[j]) {
1217 found = 1;
1218 break;
1219 }
1220 }
1221 for (i = 0; s[i]; i++)
1222 free(s[i]);
1223 free(s);
1224 XFree(xim_styles);
1225
1226 if (!found) {
1227 XCloseIM(xim);
1228 return False;
1229 }
1230
1231 ximcallback.callback = rxvt_IMDestroyCallback;
1232
1233/* XXX: not sure why we need this (as well as IC one below) */
1234 XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL);
1235
1236 preedit_attr = status_attr = NULL;
1237
1238 if (R->input_style & XIMPreeditPosition) {
1239 rxvt_setSize(aR_ & rect);
1240 rxvt_setPosition(aR_ & spot);
1241 rxvt_setColor(aR_ & fg, &bg);
1242
1243 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1244 XNSpotLocation, &spot,
1245 XNForeground, fg, XNBackground, bg,
1246 //XNFontSet, R->TermWin.fontset,
1247 NULL);
1248 } else if (R->input_style & XIMPreeditArea) {
1249 rxvt_setColor(aR_ & fg, &bg);
1250
1251 /*
1252 * The necessary width of preedit area is unknown
1253 * until create input context.
1254 */
1255 needed_rect.width = 0;
1256
1257 rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect);
1258
1259 preedit_attr = XVaCreateNestedList(0, XNArea, &rect,
1260 XNForeground, fg, XNBackground, bg,
1261 //XNFontSet, R->TermWin.fontset,
1262 NULL);
1263 status_attr = XVaCreateNestedList(0, XNArea, &status_rect,
1264 XNForeground, fg, XNBackground, bg,
1265 //XNFontSet, R->TermWin.fontset,
1266 NULL);
1267 }
1268 R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style,
1269 XNClientWindow, R->TermWin.parent[0],
1270 XNFocusWindow, R->TermWin.parent[0],
1271 XNDestroyCallback, &ximcallback,
1272 preedit_attr ? XNPreeditAttributes : NULL,
1273 preedit_attr,
1274 status_attr ? XNStatusAttributes : NULL,
1275 status_attr, NULL);
1276 if (preedit_attr)
1277 XFree(preedit_attr);
1278 if (status_attr)
1279 XFree(status_attr);
1280 if (R->Input_Context == NULL) {
1281 rxvt_print_error("failed to create input context");
1282 XCloseIM(xim);
1283 return False;
1284 }
1285 if (R->input_style & XIMPreeditArea)
1286 rxvt_IMSetStatusPosition(aR);
1287 D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection"));
1288 return True;
1289}
1290
1291/* EXTPROTO */
1292void
1293rxvt_IMSetStatusPosition(pR)
1294{
1295 XRectangle preedit_rect, status_rect, *needed_rect;
1296 XVaNestedList preedit_attr, status_attr;
1297
1298 if (R->Input_Context == NULL
1299 || !R->TermWin.focus || !(R->input_style & XIMPreeditArea)
1300 || !rxvt_IMisRunning(aR))
1301 return;
1302
1303/* Getting the necessary width of preedit area */ 1567 /* Getting the necessary width of preedit area */
1304 status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL); 1568 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1305 XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL); 1569 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1306 XFree(status_attr); 1570 XFree (status_attr);
1307 1571
1308 rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect); 1572 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1573 XFree (needed_rect);
1309 1574
1310 preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL); 1575 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1311 status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL); 1576 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1312 1577
1313 XSetICValues(R->Input_Context, 1578 XSetICValues (Input_Context,
1314 XNPreeditAttributes, preedit_attr, 1579 XNPreeditAttributes, preedit_attr,
1315 XNStatusAttributes, status_attr, NULL); 1580 XNStatusAttributes, status_attr, NULL);
1316 1581
1317 XFree(preedit_attr); 1582 XFree (preedit_attr);
1318 XFree(status_attr); 1583 XFree (status_attr);
1319} 1584}
1320#endif /* USE_XIM */ 1585#endif /* USE_XIM */
1321 1586
1322/*----------------------------------------------------------------------*/
1323rxvt_t rxvt_current_term;
1324
1325/*----------------------- end-of-file (C source) -----------------------*/ 1587/*----------------------- end-of-file (C source) -----------------------*/

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