| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: utils.cpp |
| 3 | // Purpose: Various utilities |
| 4 | // Author: Julian Smart |
| 5 | // Modified by: |
| 6 | // Created: 17/09/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | #include "wx/setup.h" |
| 21 | #include "wx/utils.h" |
| 22 | #include "wx/app.h" |
| 23 | #include "wx/msgdlg.h" |
| 24 | #include "wx/cursor.h" |
| 25 | #include "wx/window.h" // for wxTopLevelWindows |
| 26 | |
| 27 | #include <ctype.h> |
| 28 | #include <stdarg.h> |
| 29 | #include <dirent.h> |
| 30 | #include <string.h> |
| 31 | #include <sys/stat.h> |
| 32 | #include <sys/types.h> |
| 33 | #include <unistd.h> |
| 34 | #include <sys/wait.h> |
| 35 | #include <pwd.h> |
| 36 | #include <errno.h> |
| 37 | #include <netdb.h> |
| 38 | #include <signal.h> |
| 39 | |
| 40 | #if (defined(__SUNCC__) || defined(__CLCC__)) |
| 41 | #include <sysent.h> |
| 42 | #endif |
| 43 | |
| 44 | #include <Xm/Xm.h> |
| 45 | |
| 46 | #include "wx/unix/execute.h" |
| 47 | |
| 48 | #include "wx/motif/private.h" |
| 49 | |
| 50 | // ---------------------------------------------------------------------------- |
| 51 | // private functions |
| 52 | // ---------------------------------------------------------------------------- |
| 53 | |
| 54 | // Yuck this is really BOTH site and platform dependent |
| 55 | // so we should use some other strategy! |
| 56 | #ifdef sun |
| 57 | #define DEFAULT_XRESOURCE_DIR "/usr/openwin/lib/app-defaults" |
| 58 | #else |
| 59 | #define DEFAULT_XRESOURCE_DIR "/usr/lib/X11/app-defaults" |
| 60 | #endif |
| 61 | |
| 62 | static char *GetIniFile (char *dest, const char *filename); |
| 63 | |
| 64 | // ============================================================================ |
| 65 | // implementation |
| 66 | // ============================================================================ |
| 67 | |
| 68 | // ---------------------------------------------------------------------------- |
| 69 | // async event processing |
| 70 | // ---------------------------------------------------------------------------- |
| 71 | |
| 72 | // Consume all events until no more left |
| 73 | void wxFlushEvents() |
| 74 | { |
| 75 | Display *display = (Display*) wxGetDisplay(); |
| 76 | |
| 77 | XSync (display, FALSE); |
| 78 | XEvent event; |
| 79 | // XtAppPending returns availability of events AND timers/inputs, which |
| 80 | // are processed via callbacks, so XtAppNextEvent will not return if |
| 81 | // there are no events. So added '& XtIMXEvent' - Sergey. |
| 82 | while (XtAppPending ((XtAppContext) wxTheApp->GetAppContext()) & XtIMXEvent) |
| 83 | { |
| 84 | XFlush (XtDisplay ((Widget) wxTheApp->GetTopLevelWidget())); |
| 85 | // Jan Lessner: works better when events are non-X events |
| 86 | XtAppProcessEvent((XtAppContext) wxTheApp->GetAppContext(), XtIMXEvent); |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | // Check whether this window wants to process messages, e.g. Stop button |
| 91 | // in long calculations. |
| 92 | bool wxCheckForInterrupt(wxWindow *wnd) |
| 93 | { |
| 94 | wxCHECK_MSG( wnd, FALSE, "NULL window in wxCheckForInterrupt" ); |
| 95 | |
| 96 | Display *dpy=(Display*) wnd->GetXDisplay(); |
| 97 | Window win=(Window) wnd->GetXWindow(); |
| 98 | XEvent event; |
| 99 | XFlush(dpy); |
| 100 | if (wnd->GetMainWidget()) |
| 101 | { |
| 102 | XmUpdateDisplay((Widget)(wnd->GetMainWidget())); |
| 103 | } |
| 104 | |
| 105 | bool hadEvents = FALSE; |
| 106 | while( XCheckMaskEvent(dpy, |
| 107 | ButtonPressMask|ButtonReleaseMask|ButtonMotionMask| |
| 108 | PointerMotionMask|KeyPressMask|KeyReleaseMask, |
| 109 | &event) ) |
| 110 | { |
| 111 | if ( event.xany.window == win ) |
| 112 | { |
| 113 | hadEvents = TRUE; |
| 114 | |
| 115 | XtDispatchEvent(&event); |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | return hadEvents; |
| 120 | } |
| 121 | |
| 122 | // ---------------------------------------------------------------------------- |
| 123 | // wxExecute stuff |
| 124 | // ---------------------------------------------------------------------------- |
| 125 | |
| 126 | static void xt_notify_end_process(XtPointer data, int *fid, |
| 127 | XtInputId *id) |
| 128 | { |
| 129 | wxEndProcessData *proc_data = (wxEndProcessData *)data; |
| 130 | |
| 131 | wxHandleProcessTermination(proc_data); |
| 132 | |
| 133 | // VZ: I think they should be the same... |
| 134 | wxASSERT( (int)*id == proc_data->tag ); |
| 135 | |
| 136 | XtRemoveInput(*id); |
| 137 | } |
| 138 | |
| 139 | int wxAddProcessCallback(wxEndProcessData *proc_data, int fd) |
| 140 | { |
| 141 | XtInputId id = XtAppAddInput((XtAppContext) wxTheApp->GetAppContext(), |
| 142 | fd, |
| 143 | (XtPointer *) XtInputReadMask, |
| 144 | (XtInputCallbackProc) xt_notify_end_process, |
| 145 | (XtPointer) proc_data); |
| 146 | |
| 147 | return (int)id; |
| 148 | } |
| 149 | |
| 150 | // ---------------------------------------------------------------------------- |
| 151 | // misc |
| 152 | // ---------------------------------------------------------------------------- |
| 153 | |
| 154 | // Emit a beeeeeep |
| 155 | void wxBell() |
| 156 | { |
| 157 | // Use current setting for the bell |
| 158 | XBell ((Display*) wxGetDisplay(), 0); |
| 159 | } |
| 160 | |
| 161 | int wxGetOsVersion(int *majorVsn, int *minorVsn) |
| 162 | { |
| 163 | // FIXME TODO |
| 164 | // This code is WRONG!! Does NOT return the |
| 165 | // Motif version of the libs but the X protocol |
| 166 | // version! |
| 167 | Display *display = XtDisplay ((Widget) wxTheApp->GetTopLevelWidget()); |
| 168 | if (majorVsn) |
| 169 | *majorVsn = ProtocolVersion (display); |
| 170 | if (minorVsn) |
| 171 | *minorVsn = ProtocolRevision (display); |
| 172 | |
| 173 | return wxMOTIF_X; |
| 174 | } |
| 175 | |
| 176 | // ---------------------------------------------------------------------------- |
| 177 | // Reading and writing resources (eg WIN.INI, .Xdefaults) |
| 178 | // ---------------------------------------------------------------------------- |
| 179 | |
| 180 | // Read $HOME for what it says is home, if not |
| 181 | // read $USER or $LOGNAME for user name else determine |
| 182 | // the Real User, then determine the Real home dir. |
| 183 | static char * GetIniFile (char *dest, const char *filename) |
| 184 | { |
| 185 | char *home = NULL; |
| 186 | if (filename && wxIsAbsolutePath(filename)) |
| 187 | { |
| 188 | strcpy(dest, filename); |
| 189 | } |
| 190 | else if ((home = wxGetUserHome("")) != NULL) |
| 191 | { |
| 192 | strcpy(dest, home); |
| 193 | if (dest[strlen(dest) - 1] != '/') |
| 194 | strcat (dest, "/"); |
| 195 | if (filename == NULL) |
| 196 | { |
| 197 | if ((filename = getenv ("XENVIRONMENT")) == NULL) |
| 198 | filename = ".Xdefaults"; |
| 199 | } |
| 200 | else if (*filename != '.') |
| 201 | strcat (dest, "."); |
| 202 | strcat (dest, filename); |
| 203 | } else |
| 204 | { |
| 205 | dest[0] = '\0'; |
| 206 | } |
| 207 | return dest; |
| 208 | } |
| 209 | |
| 210 | #if wxUSE_RESOURCES |
| 211 | |
| 212 | static char *GetResourcePath(char *buf, const char *name, bool create = FALSE) |
| 213 | { |
| 214 | if (create && wxFileExists (name) ) { |
| 215 | strcpy(buf, name); |
| 216 | return buf; // Exists so ... |
| 217 | } |
| 218 | |
| 219 | if (*name == '/') |
| 220 | strcpy(buf, name); |
| 221 | else { |
| 222 | // Put in standard place for resource files if not absolute |
| 223 | strcpy (buf, DEFAULT_XRESOURCE_DIR); |
| 224 | strcat (buf, "/"); |
| 225 | strcat (buf, (const char*) wxFileNameFromPath (name)); |
| 226 | } |
| 227 | |
| 228 | if (create) { |
| 229 | // Touch the file to create it |
| 230 | FILE *fd = fopen (buf, "w"); |
| 231 | if (fd) fclose (fd); |
| 232 | } |
| 233 | return buf; |
| 234 | } |
| 235 | |
| 236 | /* |
| 237 | * We have a cache for writing different resource files, |
| 238 | * which will only get flushed when we call wxFlushResources(). |
| 239 | * Build up a list of resource databases waiting to be written. |
| 240 | * |
| 241 | */ |
| 242 | |
| 243 | wxList wxResourceCache (wxKEY_STRING); |
| 244 | |
| 245 | void |
| 246 | wxFlushResources (void) |
| 247 | { |
| 248 | char nameBuffer[512]; |
| 249 | |
| 250 | wxNode *node = wxResourceCache.First (); |
| 251 | while (node) |
| 252 | { |
| 253 | const char *file = node->GetKeyString(); |
| 254 | // If file doesn't exist, create it first. |
| 255 | (void)GetResourcePath(nameBuffer, file, TRUE); |
| 256 | |
| 257 | XrmDatabase database = (XrmDatabase) node->Data (); |
| 258 | XrmPutFileDatabase (database, nameBuffer); |
| 259 | XrmDestroyDatabase (database); |
| 260 | wxNode *next = node->Next (); |
| 261 | delete node; |
| 262 | node = next; |
| 263 | } |
| 264 | } |
| 265 | |
| 266 | static XrmDatabase wxResourceDatabase = 0; |
| 267 | |
| 268 | void wxXMergeDatabases (wxApp * theApp, Display * display); |
| 269 | |
| 270 | bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file) |
| 271 | { |
| 272 | char buffer[500]; |
| 273 | |
| 274 | (void) GetIniFile (buffer, file); |
| 275 | |
| 276 | XrmDatabase database; |
| 277 | wxNode *node = wxResourceCache.Find (buffer); |
| 278 | if (node) |
| 279 | database = (XrmDatabase) node->Data (); |
| 280 | else |
| 281 | { |
| 282 | database = XrmGetFileDatabase (buffer); |
| 283 | wxResourceCache.Append (buffer, (wxObject *) database); |
| 284 | } |
| 285 | |
| 286 | char resName[300]; |
| 287 | strcpy (resName, (const char*) section); |
| 288 | strcat (resName, "."); |
| 289 | strcat (resName, (const char*) entry); |
| 290 | |
| 291 | XrmPutStringResource (&database, resName, value); |
| 292 | return TRUE; |
| 293 | } |
| 294 | |
| 295 | bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file) |
| 296 | { |
| 297 | char buf[50]; |
| 298 | sprintf(buf, "%.4f", value); |
| 299 | return wxWriteResource(section, entry, buf, file); |
| 300 | } |
| 301 | |
| 302 | bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file) |
| 303 | { |
| 304 | char buf[50]; |
| 305 | sprintf(buf, "%ld", value); |
| 306 | return wxWriteResource(section, entry, buf, file); |
| 307 | } |
| 308 | |
| 309 | bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file) |
| 310 | { |
| 311 | char buf[50]; |
| 312 | sprintf(buf, "%d", value); |
| 313 | return wxWriteResource(section, entry, buf, file); |
| 314 | } |
| 315 | |
| 316 | bool wxGetResource(const wxString& section, const wxString& entry, char **value, const wxString& file) |
| 317 | { |
| 318 | if (!wxResourceDatabase) |
| 319 | { |
| 320 | Display *display = (Display*) wxGetDisplay(); |
| 321 | wxXMergeDatabases (wxTheApp, display); |
| 322 | } |
| 323 | |
| 324 | XrmDatabase database; |
| 325 | |
| 326 | if (file != "") |
| 327 | { |
| 328 | char buffer[500]; |
| 329 | |
| 330 | // Is this right? Trying to get it to look in the user's |
| 331 | // home directory instead of current directory -- JACS |
| 332 | (void) GetIniFile (buffer, file); |
| 333 | |
| 334 | wxNode *node = wxResourceCache.Find (buffer); |
| 335 | if (node) |
| 336 | database = (XrmDatabase) node->Data (); |
| 337 | else |
| 338 | { |
| 339 | database = XrmGetFileDatabase (buffer); |
| 340 | wxResourceCache.Append (buffer, (wxObject *) database); |
| 341 | } |
| 342 | } |
| 343 | else |
| 344 | database = wxResourceDatabase; |
| 345 | |
| 346 | XrmValue xvalue; |
| 347 | char *str_type[20]; |
| 348 | char buf[150]; |
| 349 | strcpy (buf, section); |
| 350 | strcat (buf, "."); |
| 351 | strcat (buf, entry); |
| 352 | |
| 353 | Bool success = XrmGetResource (database, buf, "*", str_type, |
| 354 | &xvalue); |
| 355 | // Try different combinations of upper/lower case, just in case... |
| 356 | if (!success) |
| 357 | { |
| 358 | buf[0] = (isupper (buf[0]) ? tolower (buf[0]) : toupper (buf[0])); |
| 359 | success = XrmGetResource (database, buf, "*", str_type, |
| 360 | &xvalue); |
| 361 | } |
| 362 | if (success) |
| 363 | { |
| 364 | if (*value) |
| 365 | delete[] *value; |
| 366 | |
| 367 | *value = new char[xvalue.size + 1]; |
| 368 | strncpy (*value, xvalue.addr, (int) xvalue.size); |
| 369 | return TRUE; |
| 370 | } |
| 371 | return FALSE; |
| 372 | } |
| 373 | |
| 374 | bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file) |
| 375 | { |
| 376 | char *s = NULL; |
| 377 | bool succ = wxGetResource(section, entry, (char **)&s, file); |
| 378 | if (succ) |
| 379 | { |
| 380 | *value = (float)strtod(s, NULL); |
| 381 | delete[] s; |
| 382 | return TRUE; |
| 383 | } |
| 384 | else return FALSE; |
| 385 | } |
| 386 | |
| 387 | bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file) |
| 388 | { |
| 389 | char *s = NULL; |
| 390 | bool succ = wxGetResource(section, entry, (char **)&s, file); |
| 391 | if (succ) |
| 392 | { |
| 393 | *value = strtol(s, NULL, 10); |
| 394 | delete[] s; |
| 395 | return TRUE; |
| 396 | } |
| 397 | else return FALSE; |
| 398 | } |
| 399 | |
| 400 | bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file) |
| 401 | { |
| 402 | char *s = NULL; |
| 403 | bool succ = wxGetResource(section, entry, (char **)&s, file); |
| 404 | if (succ) |
| 405 | { |
| 406 | // Handle True, False here |
| 407 | // True, Yes, Enables, Set or Activated |
| 408 | if (*s == 'T' || *s == 'Y' || *s == 'E' || *s == 'S' || *s == 'A') |
| 409 | *value = TRUE; |
| 410 | // False, No, Disabled, Reset, Cleared, Deactivated |
| 411 | else if (*s == 'F' || *s == 'N' || *s == 'D' || *s == 'R' || *s == 'C') |
| 412 | *value = FALSE; |
| 413 | // Handle as Integer |
| 414 | else |
| 415 | *value = (int) strtol (s, NULL, 10); |
| 416 | delete[] s; |
| 417 | return TRUE; |
| 418 | } |
| 419 | else |
| 420 | return FALSE; |
| 421 | } |
| 422 | |
| 423 | void wxXMergeDatabases (wxApp * theApp, Display * display) |
| 424 | { |
| 425 | XrmDatabase homeDB, serverDB, applicationDB; |
| 426 | char filenamebuf[1024]; |
| 427 | |
| 428 | char *filename = &filenamebuf[0]; |
| 429 | char *environment; |
| 430 | wxString classname = theApp->GetClassName(); |
| 431 | char name[256]; |
| 432 | (void) strcpy (name, "/usr/lib/X11/app-defaults/"); |
| 433 | (void) strcat (name, (const char*) classname); |
| 434 | |
| 435 | /* Get application defaults file, if any */ |
| 436 | applicationDB = XrmGetFileDatabase (name); |
| 437 | (void) XrmMergeDatabases (applicationDB, &wxResourceDatabase); |
| 438 | |
| 439 | /* Merge server defaults, created by xrdb, loaded as a property of the root |
| 440 | * window when the server initializes and loaded into the display |
| 441 | * structure on XOpenDisplay; |
| 442 | * if not defined, use .Xdefaults |
| 443 | */ |
| 444 | |
| 445 | if (XResourceManagerString (display) != NULL) |
| 446 | { |
| 447 | serverDB = XrmGetStringDatabase (XResourceManagerString (display)); |
| 448 | } |
| 449 | else |
| 450 | { |
| 451 | (void) GetIniFile (filename, NULL); |
| 452 | serverDB = XrmGetFileDatabase (filename); |
| 453 | } |
| 454 | XrmMergeDatabases (serverDB, &wxResourceDatabase); |
| 455 | |
| 456 | /* Open XENVIRONMENT file, or if not defined, the .Xdefaults, |
| 457 | * and merge into existing database |
| 458 | */ |
| 459 | |
| 460 | if ((environment = getenv ("XENVIRONMENT")) == NULL) |
| 461 | { |
| 462 | size_t len; |
| 463 | environment = GetIniFile (filename, NULL); |
| 464 | len = strlen (environment); |
| 465 | wxString hostname = wxGetHostName(); |
| 466 | if ( !!hostname ) |
| 467 | strncat(environment, hostname, 1024 - len); |
| 468 | } |
| 469 | homeDB = XrmGetFileDatabase (environment); |
| 470 | XrmMergeDatabases (homeDB, &wxResourceDatabase); |
| 471 | } |
| 472 | |
| 473 | #if 0 |
| 474 | |
| 475 | /* |
| 476 | * Not yet used but may be useful. |
| 477 | * |
| 478 | */ |
| 479 | void |
| 480 | wxSetDefaultResources (const Widget w, const char **resourceSpec, const char *name) |
| 481 | { |
| 482 | int i; |
| 483 | Display *dpy = XtDisplay (w); // Retrieve the display pointer |
| 484 | |
| 485 | XrmDatabase rdb = NULL; // A resource data base |
| 486 | |
| 487 | // Create an empty resource database |
| 488 | rdb = XrmGetStringDatabase (""); |
| 489 | |
| 490 | // Add the Component resources, prepending the name of the component |
| 491 | |
| 492 | i = 0; |
| 493 | while (resourceSpec[i] != NULL) |
| 494 | { |
| 495 | char buf[1000]; |
| 496 | |
| 497 | sprintf (buf, "*%s%s", name, resourceSpec[i++]); |
| 498 | XrmPutLineResource (&rdb, buf); |
| 499 | } |
| 500 | |
| 501 | // Merge them into the Xt database, with lowest precendence |
| 502 | |
| 503 | if (rdb) |
| 504 | { |
| 505 | #if (XlibSpecificationRelease>=5) |
| 506 | XrmDatabase db = XtDatabase (dpy); |
| 507 | XrmCombineDatabase (rdb, &db, FALSE); |
| 508 | #else |
| 509 | XrmMergeDatabases (dpy->db, &rdb); |
| 510 | dpy->db = rdb; |
| 511 | #endif |
| 512 | } |
| 513 | } |
| 514 | #endif |
| 515 | // 0 |
| 516 | |
| 517 | #endif // wxUSE_RESOURCES |
| 518 | |
| 519 | // ---------------------------------------------------------------------------- |
| 520 | // busy cursor stuff |
| 521 | // ---------------------------------------------------------------------------- |
| 522 | |
| 523 | static int wxBusyCursorCount = 0; |
| 524 | |
| 525 | // Helper function |
| 526 | static void |
| 527 | wxXSetBusyCursor (wxWindow * win, wxCursor * cursor) |
| 528 | { |
| 529 | Display *display = (Display*) win->GetXDisplay(); |
| 530 | |
| 531 | Window xwin = (Window) win->GetXWindow(); |
| 532 | if (!xwin) |
| 533 | return; |
| 534 | |
| 535 | XSetWindowAttributes attrs; |
| 536 | |
| 537 | if (cursor) |
| 538 | { |
| 539 | attrs.cursor = (Cursor) cursor->GetXCursor(display); |
| 540 | } |
| 541 | else |
| 542 | { |
| 543 | // Restore old cursor |
| 544 | if (win->GetCursor()->Ok()) |
| 545 | attrs.cursor = (Cursor) win->GetCursor()->GetXCursor(display); |
| 546 | else |
| 547 | attrs.cursor = None; |
| 548 | } |
| 549 | if (xwin) |
| 550 | XChangeWindowAttributes (display, xwin, CWCursor, &attrs); |
| 551 | |
| 552 | XFlush (display); |
| 553 | |
| 554 | for(wxNode *node = win->GetChildren().First (); node; node = node->Next()) |
| 555 | { |
| 556 | wxWindow *child = (wxWindow *) node->Data (); |
| 557 | wxXSetBusyCursor (child, cursor); |
| 558 | } |
| 559 | } |
| 560 | |
| 561 | // Set the cursor to the busy cursor for all windows |
| 562 | void wxBeginBusyCursor(wxCursor *cursor) |
| 563 | { |
| 564 | wxBusyCursorCount++; |
| 565 | if (wxBusyCursorCount == 1) |
| 566 | { |
| 567 | for(wxNode *node = wxTopLevelWindows.First (); node; node = node->Next()) |
| 568 | { |
| 569 | wxWindow *win = (wxWindow *) node->Data (); |
| 570 | wxXSetBusyCursor (win, cursor); |
| 571 | } |
| 572 | } |
| 573 | } |
| 574 | |
| 575 | // Restore cursor to normal |
| 576 | void wxEndBusyCursor() |
| 577 | { |
| 578 | if (wxBusyCursorCount == 0) |
| 579 | return; |
| 580 | |
| 581 | wxBusyCursorCount--; |
| 582 | if (wxBusyCursorCount == 0) |
| 583 | { |
| 584 | for(wxNode *node = wxTopLevelWindows.First (); node; node = node->Next()) |
| 585 | { |
| 586 | wxWindow *win = (wxWindow *) node->Data (); |
| 587 | wxXSetBusyCursor (win, NULL); |
| 588 | } |
| 589 | } |
| 590 | } |
| 591 | |
| 592 | // TRUE if we're between the above two calls |
| 593 | bool wxIsBusy() |
| 594 | { |
| 595 | return (wxBusyCursorCount > 0); |
| 596 | } |
| 597 | |
| 598 | // ---------------------------------------------------------------------------- |
| 599 | // display info |
| 600 | // ---------------------------------------------------------------------------- |
| 601 | |
| 602 | void wxGetMousePosition( int* x, int* y ) |
| 603 | { |
| 604 | XMotionEvent xev; |
| 605 | Window root, child; |
| 606 | XQueryPointer((Display*) wxGetDisplay(), |
| 607 | DefaultRootWindow((Display*) wxGetDisplay()), |
| 608 | &root, &child, |
| 609 | &(xev.x_root), &(xev.y_root), |
| 610 | &(xev.x), &(xev.y), |
| 611 | &(xev.state)); |
| 612 | *x = xev.x_root; |
| 613 | *y = xev.y_root; |
| 614 | }; |
| 615 | |
| 616 | // Return TRUE if we have a colour display |
| 617 | bool wxColourDisplay() |
| 618 | { |
| 619 | return wxDisplayDepth() > 1; |
| 620 | } |
| 621 | |
| 622 | // Returns depth of screen |
| 623 | int wxDisplayDepth() |
| 624 | { |
| 625 | Display *dpy = (Display*) wxGetDisplay(); |
| 626 | |
| 627 | return DefaultDepth (dpy, DefaultScreen (dpy)); |
| 628 | } |
| 629 | |
| 630 | // Get size of display |
| 631 | void wxDisplaySize(int *width, int *height) |
| 632 | { |
| 633 | Display *dpy = (Display*) wxGetDisplay(); |
| 634 | |
| 635 | if ( width ) |
| 636 | *width = DisplayWidth (dpy, DefaultScreen (dpy)); |
| 637 | if ( height ) |
| 638 | *height = DisplayHeight (dpy, DefaultScreen (dpy)); |
| 639 | } |
| 640 | |
| 641 | // Configurable display in Motif |
| 642 | static WXDisplay *gs_currentDisplay = NULL; |
| 643 | static wxString gs_displayName; |
| 644 | |
| 645 | WXDisplay *wxGetDisplay() |
| 646 | { |
| 647 | if (gs_currentDisplay) |
| 648 | return gs_currentDisplay; |
| 649 | |
| 650 | if (wxTheApp && wxTheApp->GetTopLevelWidget()) |
| 651 | return XtDisplay ((Widget) wxTheApp->GetTopLevelWidget()); |
| 652 | else if (wxTheApp) |
| 653 | return wxTheApp->GetInitialDisplay(); |
| 654 | else |
| 655 | return (WXDisplay*) NULL; |
| 656 | } |
| 657 | |
| 658 | bool wxSetDisplay(const wxString& display_name) |
| 659 | { |
| 660 | gs_displayName = display_name; |
| 661 | |
| 662 | if ( !display_name ) |
| 663 | { |
| 664 | gs_currentDisplay = NULL; |
| 665 | |
| 666 | return TRUE; |
| 667 | } |
| 668 | else |
| 669 | { |
| 670 | Cardinal argc = 0; |
| 671 | |
| 672 | Display *display = XtOpenDisplay((XtAppContext) wxTheApp->GetAppContext(), |
| 673 | (const char*) display_name, |
| 674 | (const char*) wxTheApp->GetAppName(), |
| 675 | (const char*) wxTheApp->GetClassName(), |
| 676 | NULL, |
| 677 | #if XtSpecificationRelease < 5 |
| 678 | 0, &argc, |
| 679 | #else |
| 680 | 0, (int *)&argc, |
| 681 | #endif |
| 682 | NULL); |
| 683 | |
| 684 | if (display) |
| 685 | { |
| 686 | gs_currentDisplay = (WXDisplay*) display; |
| 687 | return TRUE; |
| 688 | } |
| 689 | else |
| 690 | return FALSE; |
| 691 | } |
| 692 | |
| 693 | return FALSE; |
| 694 | } |
| 695 | |
| 696 | wxString wxGetDisplayName() |
| 697 | { |
| 698 | return gs_displayName; |
| 699 | } |
| 700 | |
| 701 | // ---------------------------------------------------------------------------- |
| 702 | // accelerators |
| 703 | // ---------------------------------------------------------------------------- |
| 704 | |
| 705 | // Find the letter corresponding to the mnemonic, for Motif |
| 706 | char wxFindMnemonic (const char *s) |
| 707 | { |
| 708 | char mnem = 0; |
| 709 | int len = strlen (s); |
| 710 | int i; |
| 711 | for (i = 0; i < len; i++) |
| 712 | { |
| 713 | if (s[i] == '&') |
| 714 | { |
| 715 | // Carefully handle && |
| 716 | if ((i + 1) <= len && s[i + 1] == '&') |
| 717 | i++; |
| 718 | else |
| 719 | { |
| 720 | mnem = s[i + 1]; |
| 721 | break; |
| 722 | } |
| 723 | } |
| 724 | } |
| 725 | return mnem; |
| 726 | } |
| 727 | |
| 728 | char * wxFindAccelerator (char *s) |
| 729 | { |
| 730 | // The accelerator text is after the \t char. |
| 731 | while (*s && *s != '\t') |
| 732 | s++; |
| 733 | if (*s == '\0') |
| 734 | return (NULL); |
| 735 | s++; |
| 736 | /* |
| 737 | Now we need to format it as X standard: |
| 738 | |
| 739 | input output |
| 740 | |
| 741 | F7 --> <Key>F7 |
| 742 | Ctrl+N --> Ctrl<Key>N |
| 743 | Alt+k --> Meta<Key>k |
| 744 | Ctrl+Shift+A --> Ctrl Shift<Key>A |
| 745 | |
| 746 | */ |
| 747 | |
| 748 | wxBuffer[0] = '\0'; |
| 749 | char *tmp = copystring (s); |
| 750 | s = tmp; |
| 751 | char *p = s; |
| 752 | |
| 753 | while (1) |
| 754 | { |
| 755 | while (*p && *p != '+') |
| 756 | p++; |
| 757 | if (*p) |
| 758 | { |
| 759 | *p = '\0'; |
| 760 | if (wxBuffer[0]) |
| 761 | strcat (wxBuffer, " "); |
| 762 | if (strcmp (s, "Alt")) |
| 763 | strcat (wxBuffer, s); |
| 764 | else |
| 765 | strcat (wxBuffer, "Meta"); |
| 766 | s = p + 1; |
| 767 | p = s; |
| 768 | } |
| 769 | else |
| 770 | { |
| 771 | strcat (wxBuffer, "<Key>"); |
| 772 | strcat (wxBuffer, s); |
| 773 | break; |
| 774 | } |
| 775 | } |
| 776 | delete[]tmp; |
| 777 | return wxBuffer; |
| 778 | } |
| 779 | |
| 780 | XmString wxFindAcceleratorText (char *s) |
| 781 | { |
| 782 | // The accelerator text is after the \t char. |
| 783 | while (*s && *s != '\t') |
| 784 | s++; |
| 785 | if (*s == '\0') |
| 786 | return (NULL); |
| 787 | s++; |
| 788 | XmString text = XmStringCreateSimple (s); |
| 789 | return text; |
| 790 | } |
| 791 | |
| 792 | // ---------------------------------------------------------------------------- |
| 793 | // keycode translations |
| 794 | // ---------------------------------------------------------------------------- |
| 795 | |
| 796 | #include <X11/keysym.h> |
| 797 | |
| 798 | // FIXME what about tables?? |
| 799 | |
| 800 | int wxCharCodeXToWX(KeySym keySym) |
| 801 | { |
| 802 | int id; |
| 803 | switch (keySym) |
| 804 | { |
| 805 | case XK_Shift_L: |
| 806 | case XK_Shift_R: |
| 807 | id = WXK_SHIFT; break; |
| 808 | case XK_Control_L: |
| 809 | case XK_Control_R: |
| 810 | id = WXK_CONTROL; break; |
| 811 | case XK_BackSpace: |
| 812 | id = WXK_BACK; break; |
| 813 | case XK_Delete: |
| 814 | id = WXK_DELETE; break; |
| 815 | case XK_Clear: |
| 816 | id = WXK_CLEAR; break; |
| 817 | case XK_Tab: |
| 818 | id = WXK_TAB; break; |
| 819 | case XK_numbersign: |
| 820 | id = '#'; break; |
| 821 | case XK_Return: |
| 822 | id = WXK_RETURN; break; |
| 823 | case XK_Escape: |
| 824 | id = WXK_ESCAPE; break; |
| 825 | case XK_Pause: |
| 826 | case XK_Break: |
| 827 | id = WXK_PAUSE; break; |
| 828 | case XK_Num_Lock: |
| 829 | id = WXK_NUMLOCK; break; |
| 830 | case XK_Scroll_Lock: |
| 831 | id = WXK_SCROLL; break; |
| 832 | |
| 833 | case XK_Home: |
| 834 | id = WXK_HOME; break; |
| 835 | case XK_End: |
| 836 | id = WXK_END; break; |
| 837 | case XK_Left: |
| 838 | id = WXK_LEFT; break; |
| 839 | case XK_Right: |
| 840 | id = WXK_RIGHT; break; |
| 841 | case XK_Up: |
| 842 | id = WXK_UP; break; |
| 843 | case XK_Down: |
| 844 | id = WXK_DOWN; break; |
| 845 | case XK_Next: |
| 846 | id = WXK_NEXT; break; |
| 847 | case XK_Prior: |
| 848 | id = WXK_PRIOR; break; |
| 849 | case XK_Menu: |
| 850 | id = WXK_MENU; break; |
| 851 | case XK_Select: |
| 852 | id = WXK_SELECT; break; |
| 853 | case XK_Cancel: |
| 854 | id = WXK_CANCEL; break; |
| 855 | case XK_Print: |
| 856 | id = WXK_PRINT; break; |
| 857 | case XK_Execute: |
| 858 | id = WXK_EXECUTE; break; |
| 859 | case XK_Insert: |
| 860 | id = WXK_INSERT; break; |
| 861 | case XK_Help: |
| 862 | id = WXK_HELP; break; |
| 863 | |
| 864 | case XK_KP_Multiply: |
| 865 | id = WXK_MULTIPLY; break; |
| 866 | case XK_KP_Add: |
| 867 | id = WXK_ADD; break; |
| 868 | case XK_KP_Subtract: |
| 869 | id = WXK_SUBTRACT; break; |
| 870 | case XK_KP_Divide: |
| 871 | id = WXK_DIVIDE; break; |
| 872 | case XK_KP_Decimal: |
| 873 | id = WXK_DECIMAL; break; |
| 874 | case XK_KP_Equal: |
| 875 | id = '='; break; |
| 876 | case XK_KP_Space: |
| 877 | id = ' '; break; |
| 878 | case XK_KP_Tab: |
| 879 | id = WXK_TAB; break; |
| 880 | case XK_KP_Enter: |
| 881 | id = WXK_RETURN; break; |
| 882 | case XK_KP_0: |
| 883 | id = WXK_NUMPAD0; break; |
| 884 | case XK_KP_1: |
| 885 | id = WXK_NUMPAD1; break; |
| 886 | case XK_KP_2: |
| 887 | id = WXK_NUMPAD2; break; |
| 888 | case XK_KP_3: |
| 889 | id = WXK_NUMPAD3; break; |
| 890 | case XK_KP_4: |
| 891 | id = WXK_NUMPAD4; break; |
| 892 | case XK_KP_5: |
| 893 | id = WXK_NUMPAD5; break; |
| 894 | case XK_KP_6: |
| 895 | id = WXK_NUMPAD6; break; |
| 896 | case XK_KP_7: |
| 897 | id = WXK_NUMPAD7; break; |
| 898 | case XK_KP_8: |
| 899 | id = WXK_NUMPAD8; break; |
| 900 | case XK_KP_9: |
| 901 | id = WXK_NUMPAD9; break; |
| 902 | case XK_F1: |
| 903 | id = WXK_F1; break; |
| 904 | case XK_F2: |
| 905 | id = WXK_F2; break; |
| 906 | case XK_F3: |
| 907 | id = WXK_F3; break; |
| 908 | case XK_F4: |
| 909 | id = WXK_F4; break; |
| 910 | case XK_F5: |
| 911 | id = WXK_F5; break; |
| 912 | case XK_F6: |
| 913 | id = WXK_F6; break; |
| 914 | case XK_F7: |
| 915 | id = WXK_F7; break; |
| 916 | case XK_F8: |
| 917 | id = WXK_F8; break; |
| 918 | case XK_F9: |
| 919 | id = WXK_F9; break; |
| 920 | case XK_F10: |
| 921 | id = WXK_F10; break; |
| 922 | case XK_F11: |
| 923 | id = WXK_F11; break; |
| 924 | case XK_F12: |
| 925 | id = WXK_F12; break; |
| 926 | case XK_F13: |
| 927 | id = WXK_F13; break; |
| 928 | case XK_F14: |
| 929 | id = WXK_F14; break; |
| 930 | case XK_F15: |
| 931 | id = WXK_F15; break; |
| 932 | case XK_F16: |
| 933 | id = WXK_F16; break; |
| 934 | case XK_F17: |
| 935 | id = WXK_F17; break; |
| 936 | case XK_F18: |
| 937 | id = WXK_F18; break; |
| 938 | case XK_F19: |
| 939 | id = WXK_F19; break; |
| 940 | case XK_F20: |
| 941 | id = WXK_F20; break; |
| 942 | case XK_F21: |
| 943 | id = WXK_F21; break; |
| 944 | case XK_F22: |
| 945 | id = WXK_F22; break; |
| 946 | case XK_F23: |
| 947 | id = WXK_F23; break; |
| 948 | case XK_F24: |
| 949 | id = WXK_F24; break; |
| 950 | default: |
| 951 | id = (keySym <= 255) ? (int)keySym : -1; |
| 952 | } |
| 953 | |
| 954 | return id; |
| 955 | } |
| 956 | |
| 957 | KeySym wxCharCodeWXToX(int id) |
| 958 | { |
| 959 | KeySym keySym; |
| 960 | |
| 961 | switch (id) |
| 962 | { |
| 963 | case WXK_CANCEL: keySym = XK_Cancel; break; |
| 964 | case WXK_BACK: keySym = XK_BackSpace; break; |
| 965 | case WXK_TAB: keySym = XK_Tab; break; |
| 966 | case WXK_CLEAR: keySym = XK_Clear; break; |
| 967 | case WXK_RETURN: keySym = XK_Return; break; |
| 968 | case WXK_SHIFT: keySym = XK_Shift_L; break; |
| 969 | case WXK_CONTROL: keySym = XK_Control_L; break; |
| 970 | case WXK_MENU : keySym = XK_Menu; break; |
| 971 | case WXK_PAUSE: keySym = XK_Pause; break; |
| 972 | case WXK_ESCAPE: keySym = XK_Escape; break; |
| 973 | case WXK_SPACE: keySym = ' '; break; |
| 974 | case WXK_PRIOR: keySym = XK_Prior; break; |
| 975 | case WXK_NEXT : keySym = XK_Next; break; |
| 976 | case WXK_END: keySym = XK_End; break; |
| 977 | case WXK_HOME : keySym = XK_Home; break; |
| 978 | case WXK_LEFT : keySym = XK_Left; break; |
| 979 | case WXK_UP: keySym = XK_Up; break; |
| 980 | case WXK_RIGHT: keySym = XK_Right; break; |
| 981 | case WXK_DOWN : keySym = XK_Down; break; |
| 982 | case WXK_SELECT: keySym = XK_Select; break; |
| 983 | case WXK_PRINT: keySym = XK_Print; break; |
| 984 | case WXK_EXECUTE: keySym = XK_Execute; break; |
| 985 | case WXK_INSERT: keySym = XK_Insert; break; |
| 986 | case WXK_DELETE: keySym = XK_Delete; break; |
| 987 | case WXK_HELP : keySym = XK_Help; break; |
| 988 | case WXK_NUMPAD0: keySym = XK_KP_0; break; |
| 989 | case WXK_NUMPAD1: keySym = XK_KP_1; break; |
| 990 | case WXK_NUMPAD2: keySym = XK_KP_2; break; |
| 991 | case WXK_NUMPAD3: keySym = XK_KP_3; break; |
| 992 | case WXK_NUMPAD4: keySym = XK_KP_4; break; |
| 993 | case WXK_NUMPAD5: keySym = XK_KP_5; break; |
| 994 | case WXK_NUMPAD6: keySym = XK_KP_6; break; |
| 995 | case WXK_NUMPAD7: keySym = XK_KP_7; break; |
| 996 | case WXK_NUMPAD8: keySym = XK_KP_8; break; |
| 997 | case WXK_NUMPAD9: keySym = XK_KP_9; break; |
| 998 | case WXK_MULTIPLY: keySym = XK_KP_Multiply; break; |
| 999 | case WXK_ADD: keySym = XK_KP_Add; break; |
| 1000 | case WXK_SUBTRACT: keySym = XK_KP_Subtract; break; |
| 1001 | case WXK_DECIMAL: keySym = XK_KP_Decimal; break; |
| 1002 | case WXK_DIVIDE: keySym = XK_KP_Divide; break; |
| 1003 | case WXK_F1: keySym = XK_F1; break; |
| 1004 | case WXK_F2: keySym = XK_F2; break; |
| 1005 | case WXK_F3: keySym = XK_F3; break; |
| 1006 | case WXK_F4: keySym = XK_F4; break; |
| 1007 | case WXK_F5: keySym = XK_F5; break; |
| 1008 | case WXK_F6: keySym = XK_F6; break; |
| 1009 | case WXK_F7: keySym = XK_F7; break; |
| 1010 | case WXK_F8: keySym = XK_F8; break; |
| 1011 | case WXK_F9: keySym = XK_F9; break; |
| 1012 | case WXK_F10: keySym = XK_F10; break; |
| 1013 | case WXK_F11: keySym = XK_F11; break; |
| 1014 | case WXK_F12: keySym = XK_F12; break; |
| 1015 | case WXK_F13: keySym = XK_F13; break; |
| 1016 | case WXK_F14: keySym = XK_F14; break; |
| 1017 | case WXK_F15: keySym = XK_F15; break; |
| 1018 | case WXK_F16: keySym = XK_F16; break; |
| 1019 | case WXK_F17: keySym = XK_F17; break; |
| 1020 | case WXK_F18: keySym = XK_F18; break; |
| 1021 | case WXK_F19: keySym = XK_F19; break; |
| 1022 | case WXK_F20: keySym = XK_F20; break; |
| 1023 | case WXK_F21: keySym = XK_F21; break; |
| 1024 | case WXK_F22: keySym = XK_F22; break; |
| 1025 | case WXK_F23: keySym = XK_F23; break; |
| 1026 | case WXK_F24: keySym = XK_F24; break; |
| 1027 | case WXK_NUMLOCK: keySym = XK_Num_Lock; break; |
| 1028 | case WXK_SCROLL: keySym = XK_Scroll_Lock; break; |
| 1029 | default: keySym = id <= 255 ? (KeySym)id : 0; |
| 1030 | } |
| 1031 | |
| 1032 | return keySym; |
| 1033 | } |
| 1034 | |
| 1035 | // ---------------------------------------------------------------------------- |
| 1036 | // Some colour manipulation routines |
| 1037 | // ---------------------------------------------------------------------------- |
| 1038 | |
| 1039 | void wxHSVToXColor(wxHSV *hsv,XColor *rgb) |
| 1040 | { |
| 1041 | int h = hsv->h; |
| 1042 | int s = hsv->s; |
| 1043 | int v = hsv->v; |
| 1044 | int r, g, b; |
| 1045 | int i, f; |
| 1046 | int p, q, t; |
| 1047 | s = (s * wxMAX_RGB) / wxMAX_SV; |
| 1048 | v = (v * wxMAX_RGB) / wxMAX_SV; |
| 1049 | if (h == 360) h = 0; |
| 1050 | if (s == 0) { h = 0; r = g = b = v; } |
| 1051 | i = h / 60; |
| 1052 | f = h % 60; |
| 1053 | p = v * (wxMAX_RGB - s) / wxMAX_RGB; |
| 1054 | q = v * (wxMAX_RGB - s * f / 60) / wxMAX_RGB; |
| 1055 | t = v * (wxMAX_RGB - s * (60 - f) / 60) / wxMAX_RGB; |
| 1056 | switch (i) |
| 1057 | { |
| 1058 | case 0: r = v, g = t, b = p; break; |
| 1059 | case 1: r = q, g = v, b = p; break; |
| 1060 | case 2: r = p, g = v, b = t; break; |
| 1061 | case 3: r = p, g = q, b = v; break; |
| 1062 | case 4: r = t, g = p, b = v; break; |
| 1063 | case 5: r = v, g = p, b = q; break; |
| 1064 | } |
| 1065 | rgb->red = r << 8; |
| 1066 | rgb->green = g << 8; |
| 1067 | rgb->blue = b << 8; |
| 1068 | } |
| 1069 | |
| 1070 | void wxXColorToHSV(wxHSV *hsv,XColor *rgb) |
| 1071 | { |
| 1072 | int r = rgb->red >> 8; |
| 1073 | int g = rgb->green >> 8; |
| 1074 | int b = rgb->blue >> 8; |
| 1075 | int maxv = wxMax3(r, g, b); |
| 1076 | int minv = wxMin3(r, g, b); |
| 1077 | int h, s, v; |
| 1078 | v = maxv; |
| 1079 | if (maxv) s = (maxv - minv) * wxMAX_RGB / maxv; |
| 1080 | else s = 0; |
| 1081 | if (s == 0) h = 0; |
| 1082 | else |
| 1083 | { |
| 1084 | int rc, gc, bc, hex; |
| 1085 | rc = (maxv - r) * wxMAX_RGB / (maxv - minv); |
| 1086 | gc = (maxv - g) * wxMAX_RGB / (maxv - minv); |
| 1087 | bc = (maxv - b) * wxMAX_RGB / (maxv - minv); |
| 1088 | if (r == maxv) { h = bc - gc, hex = 0; } |
| 1089 | else if (g == maxv) { h = rc - bc, hex = 2; } |
| 1090 | else if (b == maxv) { h = gc - rc, hex = 4; } |
| 1091 | h = hex * 60 + (h * 60 / wxMAX_RGB); |
| 1092 | if (h < 0) h += 360; |
| 1093 | } |
| 1094 | hsv->h = h; |
| 1095 | hsv->s = (s * wxMAX_SV) / wxMAX_RGB; |
| 1096 | hsv->v = (v * wxMAX_SV) / wxMAX_RGB; |
| 1097 | } |
| 1098 | |
| 1099 | void wxAllocNearestColor(Display *d,Colormap cmp,XColor *xc) |
| 1100 | { |
| 1101 | int llp; |
| 1102 | |
| 1103 | int screen = DefaultScreen(d); |
| 1104 | int num_colors = DisplayCells(d,screen); |
| 1105 | |
| 1106 | XColor *color_defs = new XColor[num_colors]; |
| 1107 | for(llp = 0;llp < num_colors;llp++) color_defs[llp].pixel = llp; |
| 1108 | XQueryColors(d,cmp,color_defs,num_colors); |
| 1109 | |
| 1110 | wxHSV hsv_defs, hsv; |
| 1111 | wxXColorToHSV(&hsv,xc); |
| 1112 | |
| 1113 | int diff, min_diff, pixel = 0; |
| 1114 | |
| 1115 | for(llp = 0;llp < num_colors;llp++) |
| 1116 | { |
| 1117 | wxXColorToHSV(&hsv_defs,&color_defs[llp]); |
| 1118 | diff = wxSIGN(wxH_WEIGHT * (hsv.h - hsv_defs.h)) + |
| 1119 | wxSIGN(wxS_WEIGHT * (hsv.s - hsv_defs.s)) + |
| 1120 | wxSIGN(wxV_WEIGHT * (hsv.v - hsv_defs.v)); |
| 1121 | if (llp == 0) min_diff = diff; |
| 1122 | if (min_diff > diff) { min_diff = diff; pixel = llp; } |
| 1123 | if (min_diff == 0) break; |
| 1124 | } |
| 1125 | |
| 1126 | xc -> red = color_defs[pixel].red; |
| 1127 | xc -> green = color_defs[pixel].green; |
| 1128 | xc -> blue = color_defs[pixel].blue; |
| 1129 | xc -> flags = DoRed | DoGreen | DoBlue; |
| 1130 | if (!XAllocColor(d,cmp,xc)) |
| 1131 | cout << "wxAllocNearestColor : Warning : Cannot find nearest color !\n"; |
| 1132 | |
| 1133 | delete[] color_defs; |
| 1134 | } |
| 1135 | |
| 1136 | void wxAllocColor(Display *d,Colormap cmp,XColor *xc) |
| 1137 | { |
| 1138 | if (!XAllocColor(d,cmp,xc)) |
| 1139 | { |
| 1140 | // cout << "wxAllocColor : Warning : Can not allocate color, attempt find nearest !\n"; |
| 1141 | wxAllocNearestColor(d,cmp,xc); |
| 1142 | } |
| 1143 | } |
| 1144 | |
| 1145 | |
| 1146 | // These functions duplicate those in wxWindow, but are needed |
| 1147 | // for use outside of wxWindow (e.g. wxMenu, wxMenuBar). |
| 1148 | |
| 1149 | // Change a widget's foreground and background colours. |
| 1150 | |
| 1151 | void wxDoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour) |
| 1152 | { |
| 1153 | // When should we specify the foreground, if it's calculated |
| 1154 | // by wxComputeColours? |
| 1155 | // Solution: say we start with the default (computed) foreground colour. |
| 1156 | // If we call SetForegroundColour explicitly for a control or window, |
| 1157 | // then the foreground is changed. |
| 1158 | // Therefore SetBackgroundColour computes the foreground colour, and |
| 1159 | // SetForegroundColour changes the foreground colour. The ordering is |
| 1160 | // important. |
| 1161 | |
| 1162 | XtVaSetValues ((Widget) widget, |
| 1163 | XmNforeground, foregroundColour.AllocColour(XtDisplay((Widget) widget)), |
| 1164 | NULL); |
| 1165 | } |
| 1166 | |
| 1167 | void wxDoChangeBackgroundColour(WXWidget widget, wxColour& backgroundColour, bool changeArmColour) |
| 1168 | { |
| 1169 | wxComputeColours (XtDisplay((Widget) widget), & backgroundColour, |
| 1170 | (wxColour*) NULL); |
| 1171 | |
| 1172 | XtVaSetValues ((Widget) widget, |
| 1173 | XmNbackground, g_itemColors[wxBACK_INDEX].pixel, |
| 1174 | XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel, |
| 1175 | XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel, |
| 1176 | XmNforeground, g_itemColors[wxFORE_INDEX].pixel, |
| 1177 | NULL); |
| 1178 | |
| 1179 | if (changeArmColour) |
| 1180 | XtVaSetValues ((Widget) widget, |
| 1181 | XmNarmColor, g_itemColors[wxSELE_INDEX].pixel, |
| 1182 | NULL); |
| 1183 | } |
| 1184 | |