src/motif/utils.cpp

   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 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __VMS
  24 #define XtDisplay XTDISPLAY
  25 #endif
  26
  27 #include "wx/setup.h"
  28 #include "wx/utils.h"
  29 #include "wx/apptrait.h"
  30 #include "wx/app.h"
  31 #include "wx/dcmemory.h"
  32 #include "wx/bitmap.h"
  33 #include "wx/evtloop.h"
  34
  35 #include <string.h>
  36
  37 #if (defined(__SUNCC__) || defined(__CLCC__))
  38     #include <sysent.h>
  39 #endif
  40
  41 #ifdef __VMS__
  42 #pragma message disable nosimpint
  43 #endif
  44
  45 #include "wx/unix/execute.h"
  46
  47 #include <Xm/Xm.h>
  48 #include <Xm/Frame.h>
  49
  50 #include "wx/motif/private.h"
  51
  52 #if wxUSE_RESOURCES
  53 #include "X11/Xresource.h"
  54 #endif
  55
  56 #include "X11/Xutil.h"
  57
  58 #ifdef __VMS__
  59 #pragma message enable nosimpint
  60 #endif
  61
  62 // ----------------------------------------------------------------------------
  63 // private functions
  64 // ----------------------------------------------------------------------------
  65
  66 // Yuck this is really BOTH site and platform dependent
  67 // so we should use some other strategy!
  68 #ifdef sun
  69     #define DEFAULT_XRESOURCE_DIR "/usr/openwin/lib/app-defaults"
  70 #else
  71     #define DEFAULT_XRESOURCE_DIR "/usr/lib/X11/app-defaults"
  72 #endif
  73
  74 #if wxUSE_RESOURCES
  75 static char *GetIniFile (char *dest, const char *filename);
  76 #endif
  77
  78 // ============================================================================
  79 // implementation
  80 // ============================================================================
  81
  82 // ----------------------------------------------------------------------------
  83 // async event processing
  84 // ----------------------------------------------------------------------------
  85
  86 // Consume all events until no more left
  87 void wxFlushEvents(WXDisplay* wxdisplay)
  88 {
  89     Display *display = (Display*)wxdisplay;
  90     wxEventLoop evtLoop;
  91
  92     XSync (display, FALSE);
  93
  94     while (evtLoop.Pending())
  95     {
  96         XFlush (display);
  97         evtLoop.Dispatch();
  98     }
  99 }
 100
 101 // ----------------------------------------------------------------------------
 102 // wxExecute stuff
 103 // ----------------------------------------------------------------------------
 104
 105 static void xt_notify_end_process(XtPointer data, int *WXUNUSED(fid),
 106                                   XtInputId *id)
 107 {
 108     wxEndProcessData *proc_data = (wxEndProcessData *)data;
 109
 110     wxHandleProcessTermination(proc_data);
 111
 112     // VZ: I think they should be the same...
 113     wxASSERT( (int)*id == proc_data->tag );
 114
 115     XtRemoveInput(*id);
 116 }
 117
 118 int wxAddProcessCallback(wxEndProcessData *proc_data, int fd)
 119 {
 120     XtInputId id = XtAppAddInput((XtAppContext) wxTheApp->GetAppContext(),
 121                                  fd,
 122                                  (XtPointer *) XtInputReadMask,
 123                                  (XtInputCallbackProc) xt_notify_end_process,
 124                                  (XtPointer) proc_data);
 125
 126     return (int)id;
 127 }
 128
 129 // ----------------------------------------------------------------------------
 130 // misc
 131 // ----------------------------------------------------------------------------
 132
 133 // Emit a beeeeeep
 134 #ifndef __EMX__
 135 // on OS/2, we use the wxBell from wxBase library (src/os2/utils.cpp)
 136 void wxBell()
 137 {
 138     // Use current setting for the bell
 139     XBell (wxGlobalDisplay(), 0);
 140 }
 141 #endif
 142
 143 wxToolkitInfo& wxGUIAppTraits::GetToolkitInfo()
 144 {
 145     static wxToolkitInfo info;
 146
 147     info.shortName = _T("motif");
 148     info.name = _T("wxMotif");
 149 #ifdef __WXUNIVERSAL__
 150     info.shortName << _T("univ");
 151     info.name << _T("/wxUniversal");
 152 #endif
 153     // FIXME TODO
 154     // This code is WRONG!! Does NOT return the
 155     // Motif version of the libs but the X protocol
 156     // version!
 157     Display *display = wxGlobalDisplay();
 158     info.versionMajor = ProtocolVersion (display);
 159     info.versionMinor = ProtocolRevision (display);
 160     info.os = wxMOTIF_X;
 161     return info;
 162 }
 163
 164 // ----------------------------------------------------------------------------
 165 // Reading and writing resources (eg WIN.INI, .Xdefaults)
 166 // ----------------------------------------------------------------------------
 167
 168 #if wxUSE_RESOURCES
 169
 170 // Read $HOME for what it says is home, if not
 171 // read $USER or $LOGNAME for user name else determine
 172 // the Real User, then determine the Real home dir.
 173 static char * GetIniFile (char *dest, const char *filename)
 174 {
 175     char *home = NULL;
 176     if (filename && wxIsAbsolutePath(filename))
 177     {
 178         strcpy(dest, filename);
 179     }
 180     else if ((home = wxGetUserHome("")) != NULL)
 181     {
 182         strcpy(dest, home);
 183         if (dest[strlen(dest) - 1] != '/')
 184             strcat (dest, "/");
 185         if (filename == NULL)
 186         {
 187             if ((filename = getenv ("XENVIRONMENT")) == NULL)
 188                 filename = ".Xdefaults";
 189         }
 190         else if (*filename != '.')
 191             strcat (dest, ".");
 192         strcat (dest, filename);
 193     } else
 194     {
 195         dest[0] = '\0';
 196     }
 197     return dest;
 198 }
 199
 200 static char *GetResourcePath(char *buf, const char *name, bool create = FALSE)
 201 {
 202     if (create && wxFileExists (name) ) {
 203         strcpy(buf, name);
 204         return buf; // Exists so ...
 205     }
 206
 207     if (*name == '/')
 208         strcpy(buf, name);
 209     else {
 210         // Put in standard place for resource files if not absolute
 211         strcpy (buf, DEFAULT_XRESOURCE_DIR);
 212         strcat (buf, "/");
 213         strcat (buf, wxFileNameFromPath (name).c_str());
 214     }
 215
 216     if (create) {
 217         // Touch the file to create it
 218         FILE *fd = fopen (buf, "w");
 219         if (fd) fclose (fd);
 220     }
 221     return buf;
 222 }
 223
 224 /*
 225 * We have a cache for writing different resource files,
 226 * which will only get flushed when we call wxFlushResources().
 227 * Build up a list of resource databases waiting to be written.
 228 *
 229 */
 230
 231 wxList wxResourceCache (wxKEY_STRING);
 232
 233 void
 234 wxFlushResources (void)
 235 {
 236     char nameBuffer[512];
 237
 238     wxNode *node = wxResourceCache.First ();
 239     while (node)
 240     {
 241         const char *file = node->GetKeyString();
 242         // If file doesn't exist, create it first.
 243         (void)GetResourcePath(nameBuffer, file, TRUE);
 244
 245         XrmDatabase database = (XrmDatabase) node->Data ();
 246         XrmPutFileDatabase (database, nameBuffer);
 247         XrmDestroyDatabase (database);
 248         wxNode *next = node->Next ();
 249         delete node;
 250         node = next;
 251     }
 252 }
 253
 254 static XrmDatabase wxResourceDatabase = 0;
 255
 256 void wxXMergeDatabases (wxApp * theApp, Display * display);
 257
 258 bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file)
 259 {
 260     char buffer[500];
 261
 262     (void) GetIniFile (buffer, file);
 263
 264     XrmDatabase database;
 265     wxNode *node = wxResourceCache.Find (buffer);
 266     if (node)
 267         database = (XrmDatabase) node->Data ();
 268     else
 269     {
 270         database = XrmGetFileDatabase (buffer);
 271         wxResourceCache.Append (buffer, (wxObject *) database);
 272     }
 273
 274     char resName[300];
 275     strcpy (resName, section.c_str());
 276     strcat (resName, ".");
 277     strcat (resName, entry.c_str());
 278
 279     XrmPutStringResource (&database, resName, value);
 280     return TRUE;
 281 }
 282
 283 bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file)
 284 {
 285     char buf[50];
 286     sprintf(buf, "%.4f", value);
 287     return wxWriteResource(section, entry, buf, file);
 288 }
 289
 290 bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file)
 291 {
 292     char buf[50];
 293     sprintf(buf, "%ld", value);
 294     return wxWriteResource(section, entry, buf, file);
 295 }
 296
 297 bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file)
 298 {
 299     char buf[50];
 300     sprintf(buf, "%d", value);
 301     return wxWriteResource(section, entry, buf, file);
 302 }
 303
 304 bool wxGetResource(const wxString& section, const wxString& entry, char **value, const wxString& file)
 305 {
 306     if (!wxResourceDatabase)
 307     {
 308         Display *display = wxGlobalDisplay();
 309         wxXMergeDatabases (wxTheApp, display);
 310     }
 311
 312     XrmDatabase database;
 313
 314     if (file != "")
 315     {
 316         char buffer[500];
 317
 318         // Is this right? Trying to get it to look in the user's
 319         // home directory instead of current directory -- JACS
 320         (void) GetIniFile (buffer, file);
 321
 322         wxNode *node = wxResourceCache.Find (buffer);
 323         if (node)
 324             database = (XrmDatabase) node->Data ();
 325         else
 326         {
 327             database = XrmGetFileDatabase (buffer);
 328             wxResourceCache.Append (buffer, (wxObject *) database);
 329         }
 330     }
 331     else
 332         database = wxResourceDatabase;
 333
 334     XrmValue xvalue;
 335     char *str_type[20];
 336     char buf[150];
 337     strcpy (buf, section);
 338     strcat (buf, ".");
 339     strcat (buf, entry);
 340
 341     Bool success = XrmGetResource (database, buf, "*", str_type,
 342         &xvalue);
 343     // Try different combinations of upper/lower case, just in case...
 344     if (!success)
 345     {
 346         buf[0] = (isupper (buf[0]) ? tolower (buf[0]) : toupper (buf[0]));
 347         success = XrmGetResource (database, buf, "*", str_type,
 348             &xvalue);
 349     }
 350     if (success)
 351     {
 352         if (*value)
 353             delete[] *value;
 354
 355         *value = new char[xvalue.size + 1];
 356         strncpy (*value, xvalue.addr, (int) xvalue.size);
 357         return TRUE;
 358     }
 359     return FALSE;
 360 }
 361
 362 bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file)
 363 {
 364     char *s = NULL;
 365     bool succ = wxGetResource(section, entry, (char **)&s, file);
 366     if (succ)
 367     {
 368         *value = (float)strtod(s, NULL);
 369         delete[] s;
 370         return TRUE;
 371     }
 372     else return FALSE;
 373 }
 374
 375 bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file)
 376 {
 377     char *s = NULL;
 378     bool succ = wxGetResource(section, entry, (char **)&s, file);
 379     if (succ)
 380     {
 381         *value = strtol(s, NULL, 10);
 382         delete[] s;
 383         return TRUE;
 384     }
 385     else return FALSE;
 386 }
 387
 388 bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file)
 389 {
 390     char *s = NULL;
 391     bool succ = wxGetResource(section, entry, (char **)&s, file);
 392     if (succ)
 393     {
 394         // Handle True, False here
 395         // True, Yes, Enables, Set or  Activated
 396         if (*s == 'T' || *s == 'Y' || *s == 'E' || *s == 'S' || *s == 'A')
 397             *value = TRUE;
 398         // False, No, Disabled, Reset, Cleared, Deactivated
 399         else if (*s == 'F' || *s == 'N' || *s == 'D' || *s == 'R' || *s == 'C')
 400             *value = FALSE;
 401         // Handle as Integer
 402         else
 403             *value = (int) strtol (s, NULL, 10);
 404         delete[] s;
 405         return TRUE;
 406     }
 407     else
 408         return FALSE;
 409 }
 410
 411 void wxXMergeDatabases (wxApp * theApp, Display * display)
 412 {
 413     XrmDatabase homeDB, serverDB, applicationDB;
 414     char filenamebuf[1024];
 415
 416     char *filename = &filenamebuf[0];
 417     char *environment;
 418     wxString classname = theApp->GetClassName();
 419     char name[256];
 420     (void) strcpy (name, "/usr/lib/X11/app-defaults/");
 421     (void) strcat (name, classname.c_str());
 422
 423     /* Get application defaults file, if any */
 424     applicationDB = XrmGetFileDatabase (name);
 425     (void) XrmMergeDatabases (applicationDB, &wxResourceDatabase);
 426
 427     /* Merge server defaults, created by xrdb, loaded as a property of the root
 428     * window when the server initializes and loaded into the display
 429     * structure on XOpenDisplay;
 430     * if not defined, use .Xdefaults
 431     */
 432
 433     if (XResourceManagerString (display) != NULL)
 434     {
 435         serverDB = XrmGetStringDatabase (XResourceManagerString (display));
 436     }
 437     else
 438     {
 439         (void) GetIniFile (filename, NULL);
 440         serverDB = XrmGetFileDatabase (filename);
 441     }
 442     XrmMergeDatabases (serverDB, &wxResourceDatabase);
 443
 444     /* Open XENVIRONMENT file, or if not defined, the .Xdefaults,
 445     * and merge into existing database
 446     */
 447
 448     if ((environment = getenv ("XENVIRONMENT")) == NULL)
 449     {
 450         size_t len;
 451         environment = GetIniFile (filename, NULL);
 452         len = strlen (environment);
 453         wxString hostname = wxGetHostName();
 454         if ( !!hostname )
 455             strncat(environment, hostname, 1024 - len);
 456     }
 457     homeDB = XrmGetFileDatabase (environment);
 458     XrmMergeDatabases (homeDB, &wxResourceDatabase);
 459 }
 460
 461 #if 0
 462
 463 /*
 464 * Not yet used but may be useful.
 465 *
 466 */
 467 void
 468 wxSetDefaultResources (const Widget w, const char **resourceSpec, const char *name)
 469 {
 470     int i;
 471     Display *dpy = XtDisplay (w);    // Retrieve the display pointer
 472
 473     XrmDatabase rdb = NULL;    // A resource data base
 474
 475     // Create an empty resource database
 476     rdb = XrmGetStringDatabase ("");
 477
 478     // Add the Component resources, prepending the name of the component
 479
 480     i = 0;
 481     while (resourceSpec[i] != NULL)
 482     {
 483         char buf[1000];
 484
 485         sprintf (buf, "*%s%s", name, resourceSpec[i++]);
 486         XrmPutLineResource (&rdb, buf);
 487     }
 488
 489     // Merge them into the Xt database, with lowest precendence
 490
 491     if (rdb)
 492     {
 493 #if (XlibSpecificationRelease>=5)
 494         XrmDatabase db = XtDatabase (dpy);
 495         XrmCombineDatabase (rdb, &db, FALSE);
 496 #else
 497         XrmMergeDatabases (dpy->db, &rdb);
 498         dpy->db = rdb;
 499 #endif
 500     }
 501 }
 502 #endif
 503 // 0
 504
 505 #endif // wxUSE_RESOURCES
 506
 507 // ----------------------------------------------------------------------------
 508 // display info
 509 // ----------------------------------------------------------------------------
 510
 511 void wxGetMousePosition( int* x, int* y )
 512 {
 513 #if wxUSE_NANOX
 514     // TODO
 515     *x = 0;
 516     *y = 0;
 517 #else
 518     XMotionEvent xev;
 519     Window root, child;
 520     XQueryPointer(wxGlobalDisplay(),
 521                   DefaultRootWindow(wxGlobalDisplay()),
 522                   &root, &child,
 523                   &(xev.x_root), &(xev.y_root),
 524                   &(xev.x),      &(xev.y),
 525                   &(xev.state));
 526     *x = xev.x_root;
 527     *y = xev.y_root;
 528 #endif
 529 };
 530
 531 // Return TRUE if we have a colour display
 532 bool wxColourDisplay()
 533 {
 534     return wxDisplayDepth() > 1;
 535 }
 536
 537 // Returns depth of screen
 538 int wxDisplayDepth()
 539 {
 540     Display *dpy = wxGlobalDisplay();
 541
 542     return DefaultDepth (dpy, DefaultScreen (dpy));
 543 }
 544
 545 // Get size of display
 546 void wxDisplaySize(int *width, int *height)
 547 {
 548     Display *dpy = wxGlobalDisplay();
 549
 550     if ( width )
 551         *width = DisplayWidth (dpy, DefaultScreen (dpy));
 552     if ( height )
 553         *height = DisplayHeight (dpy, DefaultScreen (dpy));
 554 }
 555
 556 void wxDisplaySizeMM(int *width, int *height)
 557 {
 558     Display *dpy = wxGlobalDisplay();
 559
 560     if ( width )
 561         *width = DisplayWidthMM(dpy, DefaultScreen (dpy));
 562     if ( height )
 563         *height = DisplayHeightMM(dpy, DefaultScreen (dpy));
 564 }
 565
 566 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
 567 {
 568     // This is supposed to return desktop dimensions minus any window
 569     // manager panels, menus, taskbars, etc.  If there is a way to do that
 570     // for this platform please fix this function, otherwise it defaults
 571     // to the entire desktop.
 572     if (x) *x = 0;
 573     if (y) *y = 0;
 574     wxDisplaySize(width, height);
 575 }
 576
 577
 578 // Configurable display in wxX11 and wxMotif
 579 static WXDisplay *gs_currentDisplay = NULL;
 580 static wxString gs_displayName;
 581
 582 WXDisplay *wxGetDisplay()
 583 {
 584     if (gs_currentDisplay)
 585         return gs_currentDisplay;
 586     else if (wxTheApp)
 587         return wxTheApp->GetInitialDisplay();
 588     return NULL;
 589 }
 590
 591 bool wxSetDisplay(const wxString& display_name)
 592 {
 593     gs_displayName = display_name;
 594
 595     if ( display_name.IsEmpty() )
 596     {
 597         gs_currentDisplay = NULL;
 598
 599         return TRUE;
 600     }
 601     else
 602     {
 603         Cardinal argc = 0;
 604
 605         Display *display = XtOpenDisplay((XtAppContext) wxTheApp->GetAppContext(),
 606             display_name.c_str(),
 607             wxTheApp->GetAppName().c_str(),
 608             wxTheApp->GetClassName().c_str(),
 609             NULL,
 610 #if XtSpecificationRelease < 5
 611             0, &argc,
 612 #else
 613             0, (int *)&argc,
 614 #endif
 615             NULL);
 616
 617         if (display)
 618         {
 619             gs_currentDisplay = (WXDisplay*) display;
 620             return TRUE;
 621         }
 622         else
 623             return FALSE;
 624     }
 625 }
 626
 627 wxString wxGetDisplayName()
 628 {
 629     return gs_displayName;
 630 }
 631
 632 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
 633 {
 634     return wxGenericFindWindowAtPoint(pt);
 635 }
 636
 637 // ----------------------------------------------------------------------------
 638 // keycode translations
 639 // ----------------------------------------------------------------------------
 640
 641 #include <X11/keysym.h>
 642
 643 // FIXME what about tables??
 644
 645 int wxCharCodeXToWX(KeySym keySym)
 646 {
 647     int id;
 648     switch (keySym)
 649     {
 650         case XK_Shift_L:
 651         case XK_Shift_R:
 652             id = WXK_SHIFT; break;
 653         case XK_Control_L:
 654         case XK_Control_R:
 655             id = WXK_CONTROL; break;
 656         case XK_BackSpace:
 657             id = WXK_BACK; break;
 658         case XK_Delete:
 659             id = WXK_DELETE; break;
 660         case XK_Clear:
 661             id = WXK_CLEAR; break;
 662         case XK_Tab:
 663             id = WXK_TAB; break;
 664         case XK_numbersign:
 665             id = '#'; break;
 666         case XK_Return:
 667             id = WXK_RETURN; break;
 668         case XK_Escape:
 669             id = WXK_ESCAPE; break;
 670         case XK_Pause:
 671         case XK_Break:
 672             id = WXK_PAUSE; break;
 673         case XK_Num_Lock:
 674             id = WXK_NUMLOCK; break;
 675         case XK_Scroll_Lock:
 676             id = WXK_SCROLL; break;
 677
 678         case XK_Home:
 679             id = WXK_HOME; break;
 680         case XK_End:
 681             id = WXK_END; break;
 682         case XK_Left:
 683             id = WXK_LEFT; break;
 684         case XK_Right:
 685             id = WXK_RIGHT; break;
 686         case XK_Up:
 687             id = WXK_UP; break;
 688         case XK_Down:
 689             id = WXK_DOWN; break;
 690         case XK_Next:
 691             id = WXK_NEXT; break;
 692         case XK_Prior:
 693             id = WXK_PRIOR; break;
 694         case XK_Menu:
 695             id = WXK_MENU; break;
 696         case XK_Select:
 697             id = WXK_SELECT; break;
 698         case XK_Cancel:
 699             id = WXK_CANCEL; break;
 700         case XK_Print:
 701             id = WXK_PRINT; break;
 702         case XK_Execute:
 703             id = WXK_EXECUTE; break;
 704         case XK_Insert:
 705             id = WXK_INSERT; break;
 706         case XK_Help:
 707             id = WXK_HELP; break;
 708
 709         case XK_KP_Multiply:
 710             id = WXK_MULTIPLY; break;
 711         case XK_KP_Add:
 712             id = WXK_ADD; break;
 713         case XK_KP_Subtract:
 714             id = WXK_SUBTRACT; break;
 715         case XK_KP_Divide:
 716             id = WXK_DIVIDE; break;
 717         case XK_KP_Decimal:
 718             id = WXK_DECIMAL; break;
 719         case XK_KP_Equal:
 720             id = '='; break;
 721         case XK_KP_Space:
 722             id = ' '; break;
 723         case XK_KP_Tab:
 724             id = WXK_TAB; break;
 725         case XK_KP_Enter:
 726             id = WXK_RETURN; break;
 727         case XK_KP_0:
 728             id = WXK_NUMPAD0; break;
 729         case XK_KP_1:
 730             id = WXK_NUMPAD1; break;
 731         case XK_KP_2:
 732             id = WXK_NUMPAD2; break;
 733         case XK_KP_3:
 734             id = WXK_NUMPAD3; break;
 735         case XK_KP_4:
 736             id = WXK_NUMPAD4; break;
 737         case XK_KP_5:
 738             id = WXK_NUMPAD5; break;
 739         case XK_KP_6:
 740             id = WXK_NUMPAD6; break;
 741         case XK_KP_7:
 742             id = WXK_NUMPAD7; break;
 743         case XK_KP_8:
 744             id = WXK_NUMPAD8; break;
 745         case XK_KP_9:
 746             id = WXK_NUMPAD9; break;
 747         case XK_F1:
 748             id = WXK_F1; break;
 749         case XK_F2:
 750             id = WXK_F2; break;
 751         case XK_F3:
 752             id = WXK_F3; break;
 753         case XK_F4:
 754             id = WXK_F4; break;
 755         case XK_F5:
 756             id = WXK_F5; break;
 757         case XK_F6:
 758             id = WXK_F6; break;
 759         case XK_F7:
 760             id = WXK_F7; break;
 761         case XK_F8:
 762             id = WXK_F8; break;
 763         case XK_F9:
 764             id = WXK_F9; break;
 765         case XK_F10:
 766             id = WXK_F10; break;
 767         case XK_F11:
 768             id = WXK_F11; break;
 769         case XK_F12:
 770             id = WXK_F12; break;
 771         case XK_F13:
 772             id = WXK_F13; break;
 773         case XK_F14:
 774             id = WXK_F14; break;
 775         case XK_F15:
 776             id = WXK_F15; break;
 777         case XK_F16:
 778             id = WXK_F16; break;
 779         case XK_F17:
 780             id = WXK_F17; break;
 781         case XK_F18:
 782             id = WXK_F18; break;
 783         case XK_F19:
 784             id = WXK_F19; break;
 785         case XK_F20:
 786             id = WXK_F20; break;
 787         case XK_F21:
 788             id = WXK_F21; break;
 789         case XK_F22:
 790             id = WXK_F22; break;
 791         case XK_F23:
 792             id = WXK_F23; break;
 793         case XK_F24:
 794             id = WXK_F24; break;
 795         default:
 796             id = (keySym <= 255) ? (int)keySym : -1;
 797     }
 798
 799     return id;
 800 }
 801
 802 KeySym wxCharCodeWXToX(int id)
 803 {
 804     KeySym keySym;
 805
 806     switch (id)
 807     {
 808         case WXK_CANCEL:            keySym = XK_Cancel; break;
 809         case WXK_BACK:              keySym = XK_BackSpace; break;
 810         case WXK_TAB:            keySym = XK_Tab; break;
 811         case WXK_CLEAR:        keySym = XK_Clear; break;
 812         case WXK_RETURN:        keySym = XK_Return; break;
 813         case WXK_SHIFT:        keySym = XK_Shift_L; break;
 814         case WXK_CONTROL:        keySym = XK_Control_L; break;
 815         case WXK_MENU :        keySym = XK_Menu; break;
 816         case WXK_PAUSE:        keySym = XK_Pause; break;
 817         case WXK_ESCAPE:        keySym = XK_Escape; break;
 818         case WXK_SPACE:        keySym = ' '; break;
 819         case WXK_PRIOR:        keySym = XK_Prior; break;
 820         case WXK_NEXT :        keySym = XK_Next; break;
 821         case WXK_END:        keySym = XK_End; break;
 822         case WXK_HOME :        keySym = XK_Home; break;
 823         case WXK_LEFT :        keySym = XK_Left; break;
 824         case WXK_UP:        keySym = XK_Up; break;
 825         case WXK_RIGHT:        keySym = XK_Right; break;
 826         case WXK_DOWN :        keySym = XK_Down; break;
 827         case WXK_SELECT:        keySym = XK_Select; break;
 828         case WXK_PRINT:        keySym = XK_Print; break;
 829         case WXK_EXECUTE:        keySym = XK_Execute; break;
 830         case WXK_INSERT:        keySym = XK_Insert; break;
 831         case WXK_DELETE:        keySym = XK_Delete; break;
 832         case WXK_HELP :        keySym = XK_Help; break;
 833         case WXK_NUMPAD0:        keySym = XK_KP_0; break;
 834         case WXK_NUMPAD1:        keySym = XK_KP_1; break;
 835         case WXK_NUMPAD2:        keySym = XK_KP_2; break;
 836         case WXK_NUMPAD3:        keySym = XK_KP_3; break;
 837         case WXK_NUMPAD4:        keySym = XK_KP_4; break;
 838         case WXK_NUMPAD5:        keySym = XK_KP_5; break;
 839         case WXK_NUMPAD6:        keySym = XK_KP_6; break;
 840         case WXK_NUMPAD7:        keySym = XK_KP_7; break;
 841         case WXK_NUMPAD8:        keySym = XK_KP_8; break;
 842         case WXK_NUMPAD9:        keySym = XK_KP_9; break;
 843         case WXK_MULTIPLY:        keySym = XK_KP_Multiply; break;
 844         case WXK_ADD:        keySym = XK_KP_Add; break;
 845         case WXK_SUBTRACT:        keySym = XK_KP_Subtract; break;
 846         case WXK_DECIMAL:        keySym = XK_KP_Decimal; break;
 847         case WXK_DIVIDE:        keySym = XK_KP_Divide; break;
 848         case WXK_F1:        keySym = XK_F1; break;
 849         case WXK_F2:        keySym = XK_F2; break;
 850         case WXK_F3:        keySym = XK_F3; break;
 851         case WXK_F4:        keySym = XK_F4; break;
 852         case WXK_F5:        keySym = XK_F5; break;
 853         case WXK_F6:        keySym = XK_F6; break;
 854         case WXK_F7:        keySym = XK_F7; break;
 855         case WXK_F8:        keySym = XK_F8; break;
 856         case WXK_F9:        keySym = XK_F9; break;
 857         case WXK_F10:        keySym = XK_F10; break;
 858         case WXK_F11:        keySym = XK_F11; break;
 859         case WXK_F12:        keySym = XK_F12; break;
 860         case WXK_F13:        keySym = XK_F13; break;
 861         case WXK_F14:        keySym = XK_F14; break;
 862         case WXK_F15:        keySym = XK_F15; break;
 863         case WXK_F16:        keySym = XK_F16; break;
 864         case WXK_F17:        keySym = XK_F17; break;
 865         case WXK_F18:        keySym = XK_F18; break;
 866         case WXK_F19:        keySym = XK_F19; break;
 867         case WXK_F20:        keySym = XK_F20; break;
 868         case WXK_F21:        keySym = XK_F21; break;
 869         case WXK_F22:        keySym = XK_F22; break;
 870         case WXK_F23:        keySym = XK_F23; break;
 871         case WXK_F24:        keySym = XK_F24; break;
 872         case WXK_NUMLOCK:    keySym = XK_Num_Lock; break;
 873         case WXK_SCROLL:     keySym = XK_Scroll_Lock; break;
 874         default:             keySym = id <= 255 ? (KeySym)id : 0;
 875     }
 876
 877     return keySym;
 878 }
 879
 880 // ----------------------------------------------------------------------------
 881 // Some colour manipulation routines
 882 // ----------------------------------------------------------------------------
 883
 884 void wxHSVToXColor(wxHSV *hsv,XColor *rgb)
 885 {
 886     int h = hsv->h;
 887     int s = hsv->s;
 888     int v = hsv->v;
 889     int r = 0, g = 0, b = 0;
 890     int i, f;
 891     int p, q, t;
 892     s = (s * wxMAX_RGB) / wxMAX_SV;
 893     v = (v * wxMAX_RGB) / wxMAX_SV;
 894     if (h == 360) h = 0;
 895     if (s == 0) { h = 0; r = g = b = v; }
 896     i = h / 60;
 897     f = h % 60;
 898     p = v * (wxMAX_RGB - s) / wxMAX_RGB;
 899     q = v * (wxMAX_RGB - s * f / 60) / wxMAX_RGB;
 900     t = v * (wxMAX_RGB - s * (60 - f) / 60) / wxMAX_RGB;
 901     switch (i)
 902     {
 903     case 0: r = v, g = t, b = p; break;
 904     case 1: r = q, g = v, b = p; break;
 905     case 2: r = p, g = v, b = t; break;
 906     case 3: r = p, g = q, b = v; break;
 907     case 4: r = t, g = p, b = v; break;
 908     case 5: r = v, g = p, b = q; break;
 909     }
 910     rgb->red = r << 8;
 911     rgb->green = g << 8;
 912     rgb->blue = b << 8;
 913 }
 914
 915 void wxXColorToHSV(wxHSV *hsv,XColor *rgb)
 916 {
 917     int r = rgb->red >> 8;
 918     int g = rgb->green >> 8;
 919     int b = rgb->blue >> 8;
 920     int maxv = wxMax3(r, g, b);
 921     int minv = wxMin3(r, g, b);
 922     int h = 0, s, v;
 923     v = maxv;
 924     if (maxv) s = (maxv - minv) * wxMAX_RGB / maxv;
 925     else s = 0;
 926     if (s == 0) h = 0;
 927     else
 928     {
 929         int rc, gc, bc, hex = 0;
 930         rc = (maxv - r) * wxMAX_RGB / (maxv - minv);
 931         gc = (maxv - g) * wxMAX_RGB / (maxv - minv);
 932         bc = (maxv - b) * wxMAX_RGB / (maxv - minv);
 933         if (r == maxv) { h = bc - gc, hex = 0; }
 934         else if (g == maxv) { h = rc - bc, hex = 2; }
 935         else if (b == maxv) { h = gc - rc, hex = 4; }
 936         h = hex * 60 + (h * 60 / wxMAX_RGB);
 937         if (h < 0) h += 360;
 938     }
 939     hsv->h = h;
 940     hsv->s = (s * wxMAX_SV) / wxMAX_RGB;
 941     hsv->v = (v * wxMAX_SV) / wxMAX_RGB;
 942 }
 943
 944 void wxAllocNearestColor(Display *d,Colormap cmp,XColor *xc)
 945 {
 946 #if !wxUSE_NANOX
 947     int llp;
 948
 949     int screen = DefaultScreen(d);
 950     int num_colors = DisplayCells(d,screen);
 951
 952     XColor *color_defs = new XColor[num_colors];
 953     for(llp = 0;llp < num_colors;llp++) color_defs[llp].pixel = llp;
 954     XQueryColors(d,cmp,color_defs,num_colors);
 955
 956     wxHSV hsv_defs, hsv;
 957     wxXColorToHSV(&hsv,xc);
 958
 959     int diff, min_diff = 0, pixel = 0;
 960
 961     for(llp = 0;llp < num_colors;llp++)
 962     {
 963         wxXColorToHSV(&hsv_defs,&color_defs[llp]);
 964         diff = wxSIGN(wxH_WEIGHT * (hsv.h - hsv_defs.h)) +
 965             wxSIGN(wxS_WEIGHT * (hsv.s - hsv_defs.s)) +
 966             wxSIGN(wxV_WEIGHT * (hsv.v - hsv_defs.v));
 967         if (llp == 0) min_diff = diff;
 968         if (min_diff > diff) { min_diff = diff; pixel = llp; }
 969         if (min_diff == 0) break;
 970     }
 971
 972     xc -> red = color_defs[pixel].red;
 973     xc -> green = color_defs[pixel].green;
 974     xc -> blue = color_defs[pixel].blue;
 975     xc -> flags = DoRed | DoGreen | DoBlue;
 976
 977 /*  FIXME, TODO
 978     if (!XAllocColor(d,cmp,xc))
 979         cout << "wxAllocNearestColor : Warning : Cannot find nearest color !\n";
 980 */
 981
 982     delete[] color_defs;
 983 #endif
 984 }
 985
 986 void wxAllocColor(Display *d,Colormap cmp,XColor *xc)
 987 {
 988     if (!XAllocColor(d,cmp,xc))
 989     {
 990         //          cout << "wxAllocColor : Warning : Can not allocate color, attempt find nearest !\n";
 991         wxAllocNearestColor(d,cmp,xc);
 992     }
 993 }
 994
 995 #ifdef __WXDEBUG__
 996 wxString wxGetXEventName(XEvent& event)
 997 {
 998 #if wxUSE_NANOX
 999     wxString str(wxT("(some event)"));
1000     return str;
1001 #else
1002     int type = event.xany.type;
1003             static char* event_name[] = {
1004                 "", "unknown(-)",                                         // 0-1
1005                 "KeyPress", "KeyRelease", "ButtonPress", "ButtonRelease", // 2-5
1006                 "MotionNotify", "EnterNotify", "LeaveNotify", "FocusIn",  // 6-9
1007                 "FocusOut", "KeymapNotify", "Expose", "GraphicsExpose",   // 10-13
1008                 "NoExpose", "VisibilityNotify", "CreateNotify",           // 14-16
1009                 "DestroyNotify", "UnmapNotify", "MapNotify", "MapRequest",// 17-20
1010                 "ReparentNotify", "ConfigureNotify", "ConfigureRequest",  // 21-23
1011                 "GravityNotify", "ResizeRequest", "CirculateNotify",      // 24-26
1012                 "CirculateRequest", "PropertyNotify", "SelectionClear",   // 27-29
1013                 "SelectionRequest", "SelectionNotify", "ColormapNotify",  // 30-32
1014                 "ClientMessage", "MappingNotify",                         // 33-34
1015                 "unknown(+)"};                                            // 35
1016             type = wxMin(35, type); type = wxMax(1, type);
1017         wxString str(event_name[type]);
1018         return str;
1019 #endif
1020 }
1021 #endif
1022
1023 // ----------------------------------------------------------------------------
1024 // accelerators
1025 // ----------------------------------------------------------------------------
1026
1027 // Find the letter corresponding to the mnemonic, for Motif
1028 char wxFindMnemonic (const char *s)
1029 {
1030     char mnem = 0;
1031     int len = strlen (s);
1032     int i;
1033
1034     for (i = 0; i < len; i++)
1035     {
1036         if (s[i] == '&')
1037         {
1038             // Carefully handle &&
1039             if ((i + 1) <= len && s[i + 1] == '&')
1040                 i++;
1041             else
1042             {
1043                 mnem = s[i + 1];
1044                 break;
1045             }
1046         }
1047     }
1048     return mnem;
1049 }
1050
1051 char* wxFindAccelerator( const char *s )
1052 {
1053 #if 1
1054     // VZ: this function returns incorrect keysym which completely breaks kbd
1055     //     handling
1056     return NULL;
1057 #else
1058     // The accelerator text is after the \t char.
1059     s = strchr( s, '\t' );
1060
1061     if( !s ) return NULL;
1062
1063     /*
1064     Now we need to format it as X standard:
1065
1066       input            output
1067
1068         F7           --> <Key>F7
1069         Ctrl+N       --> Ctrl<Key>N
1070         Alt+k        --> Meta<Key>k
1071         Ctrl+Shift+A --> Ctrl Shift<Key>A
1072
1073         and handle Ctrl-N & similia
1074     */
1075
1076     static char buf[256];
1077
1078     buf[0] = '\0';
1079     wxString tmp = s + 1; // skip TAB
1080     size_t index = 0;
1081
1082     while( index < tmp.length() )
1083     {
1084         size_t plus  = tmp.find( '+', index );
1085         size_t minus = tmp.find( '-', index );
1086
1087         // neither '+' nor '-', add <Key>
1088         if( plus == wxString::npos && minus == wxString::npos )
1089         {
1090             strcat( buf, "<Key>" );
1091             strcat( buf, tmp.c_str() + index );
1092
1093             return buf;
1094         }
1095
1096         // OK: npos is big and positive
1097         size_t sep = wxMin( plus, minus );
1098         wxString mod = tmp.substr( index, sep - index );
1099
1100         // Ctrl  -> Ctrl
1101         // Shift -> Shift
1102         // Alt   -> Meta
1103         if( mod == "Alt" )
1104             mod = "Meta";
1105
1106         if( buf[0] )
1107             strcat( buf, " " );
1108
1109         strcat( buf, mod.c_str() );
1110
1111         index = sep + 1;
1112     }
1113
1114     return NULL;
1115 #endif
1116 }
1117
1118 XmString wxFindAcceleratorText (const char *s)
1119 {
1120 #if 1
1121     // VZ: this function returns incorrect keysym which completely breaks kbd
1122     //     handling
1123     return NULL;
1124 #else
1125     // The accelerator text is after the \t char.
1126     s = strchr( s, '\t' );
1127
1128     if( !s ) return NULL;
1129
1130     return wxStringToXmString( s + 1 ); // skip TAB!
1131 #endif
1132 }
1133
1134 // Change a widget's foreground and background colours.
1135 void wxDoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour)
1136 {
1137     // When should we specify the foreground, if it's calculated
1138     // by wxComputeColours?
1139     // Solution: say we start with the default (computed) foreground colour.
1140     // If we call SetForegroundColour explicitly for a control or window,
1141     // then the foreground is changed.
1142     // Therefore SetBackgroundColour computes the foreground colour, and
1143     // SetForegroundColour changes the foreground colour. The ordering is
1144     // important.
1145
1146     XtVaSetValues ((Widget) widget,
1147         XmNforeground, foregroundColour.AllocColour(XtDisplay((Widget) widget)),
1148         NULL);
1149 }
1150
1151 void wxDoChangeBackgroundColour(WXWidget widget, wxColour& backgroundColour, bool changeArmColour)
1152 {
1153     wxComputeColours (XtDisplay((Widget) widget), & backgroundColour,
1154         (wxColour*) NULL);
1155
1156     XtVaSetValues ((Widget) widget,
1157         XmNbackground, g_itemColors[wxBACK_INDEX].pixel,
1158         XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel,
1159         XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel,
1160         XmNforeground, g_itemColors[wxFORE_INDEX].pixel,
1161         NULL);
1162
1163     if (changeArmColour)
1164         XtVaSetValues ((Widget) widget,
1165         XmNarmColor, g_itemColors[wxSELE_INDEX].pixel,
1166         NULL);
1167 }
1168
1169 extern void wxDoChangeFont(WXWidget widget, wxFont& font)
1170 {
1171     // Lesstif 0.87 hangs here, but 0.93 does not
1172 #if !wxCHECK_LESSTIF() || wxCHECK_LESSTIF_VERSION( 0, 93 )
1173     Widget w = (Widget)widget;
1174     XtVaSetValues( w,
1175                    wxFont::GetFontTag(), font.GetFontType( XtDisplay(w) ),
1176                    NULL );
1177 #endif
1178
1179 }
1180
1181 wxString wxXmStringToString( const XmString& xmString )
1182 {
1183     char *txt;
1184     if( XmStringGetLtoR( xmString, XmSTRING_DEFAULT_CHARSET, &txt ) )
1185     {
1186         wxString str(txt);
1187         XtFree (txt);
1188         return str;
1189     }
1190
1191     return wxEmptyString;
1192 }
1193
1194 XmString wxStringToXmString( const wxString& str )
1195 {
1196     return XmStringCreateLtoR((char *)str.c_str(), XmSTRING_DEFAULT_CHARSET);
1197 }
1198
1199 XmString wxStringToXmString( const char* str )
1200 {
1201     return XmStringCreateLtoR((char *)str, XmSTRING_DEFAULT_CHARSET);
1202 }
1203
1204 // ----------------------------------------------------------------------------
1205 // wxBitmap utility functions
1206 // ----------------------------------------------------------------------------
1207
1208 // Creates a bitmap with transparent areas drawn in
1209 // the given colour.
1210 wxBitmap wxCreateMaskedBitmap(const wxBitmap& bitmap, wxColour& colour)
1211 {
1212     wxBitmap newBitmap(bitmap.GetWidth(),
1213                        bitmap.GetHeight(),
1214                        bitmap.GetDepth());
1215     wxMemoryDC destDC;
1216     wxMemoryDC srcDC;
1217
1218     srcDC.SelectObject(bitmap);
1219     destDC.SelectObject(newBitmap);
1220
1221     wxBrush brush(colour, wxSOLID);
1222     // destDC.SetOptimization(FALSE);
1223     destDC.SetBackground(brush);
1224     destDC.Clear();
1225     destDC.Blit(0, 0, bitmap.GetWidth(), bitmap.GetHeight(),
1226                 &srcDC, 0, 0, wxCOPY, TRUE);
1227
1228     return newBitmap;
1229 }
1230
1231 // ----------------------------------------------------------------------------
1232 // Miscellaneous functions
1233 // ----------------------------------------------------------------------------
1234
1235 WXWidget wxCreateBorderWidget( WXWidget parent, long style )
1236 {
1237     Widget borderWidget = (Widget)NULL, parentWidget = (Widget)parent;
1238
1239     if (style & wxSIMPLE_BORDER)
1240     {
1241         borderWidget = XtVaCreateManagedWidget
1242                                    (
1243                                     "simpleBorder",
1244                                     xmFrameWidgetClass, parentWidget,
1245                                     XmNshadowType, XmSHADOW_ETCHED_IN,
1246                                     XmNshadowThickness, 1,
1247                                     NULL
1248                                    );
1249     }
1250     else if (style & wxSUNKEN_BORDER)
1251     {
1252         borderWidget = XtVaCreateManagedWidget
1253                                    (
1254                                     "sunkenBorder",
1255                                     xmFrameWidgetClass, parentWidget,
1256                                     XmNshadowType, XmSHADOW_IN,
1257                                     NULL
1258                                    );
1259     }
1260     else if (style & wxRAISED_BORDER)
1261     {
1262         borderWidget = XtVaCreateManagedWidget
1263                                    (
1264                                     "raisedBorder",
1265                                     xmFrameWidgetClass, parentWidget,
1266                                     XmNshadowType, XmSHADOW_OUT,
1267                                     NULL
1268                                    );
1269     }
1270
1271     return borderWidget;
1272 }