src/mac/utils.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        utils.cpp
   3 // Purpose:     Various utilities
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:       wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 // Note: this is done in utilscmn.cpp now.
  14 // #pragma implementation "utils.h"
  15 #endif
  16
  17 #include "wx/setup.h"
  18 #include "wx/utils.h"
  19 #include "wx/app.h"
  20 #include "wx/mac/uma.h"
  21
  22 #include <ctype.h>
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <stdarg.h>
  28
  29 #ifdef __DARWIN__
  30 #  include "MoreFilesX.h"
  31 #else
  32 #  include "MoreFiles.h"
  33 #  include "MoreFilesExtras.h"
  34 #endif
  35
  36 #ifndef __DARWIN__
  37 #include <Threads.h>
  38 #include <Sound.h>
  39 #endif
  40
  41 #ifndef __DARWIN__
  42 // defined in unix/utilsunx.cpp for Mac OS X
  43
  44 // get full hostname (with domain name if possible)
  45 bool wxGetFullHostName(wxChar *buf, int maxSize)
  46 {
  47     return wxGetHostName(buf, maxSize);
  48 }
  49
  50 // Get hostname only (without domain name)
  51 bool wxGetHostName(char *buf, int maxSize)
  52 {
  53     // Gets Chooser name of user by examining a System resource.
  54
  55     const short kComputerNameID = -16413;
  56
  57     short oldResFile = CurResFile() ;
  58     UseResFile(0);
  59     StringHandle chooserName = (StringHandle)::GetString(kComputerNameID);
  60     UseResFile(oldResFile);
  61
  62     if (chooserName && *chooserName)
  63     {
  64       int length = (*chooserName)[0] ;
  65       if ( length + 1 > maxSize )
  66       {
  67         length = maxSize - 1 ;
  68       }
  69       strncpy( buf , (char*) &(*chooserName)[1] , length ) ;
  70       buf[length] = 0 ;
  71     }
  72     else
  73         buf[0] = 0 ;
  74
  75   return TRUE;
  76 }
  77
  78 // Get user ID e.g. jacs
  79 bool wxGetUserId(char *buf, int maxSize)
  80 {
  81   return wxGetUserName( buf , maxSize ) ;
  82 }
  83
  84 const wxChar* wxGetHomeDir(wxString *pstr)
  85 {
  86     *pstr = wxMacFindFolder(  (short) kOnSystemDisk, kPreferencesFolderType, kDontCreateFolder ) ;
  87     return pstr->c_str() ;
  88 }
  89
  90 // Get user name e.g. Stefan Csomor
  91 bool wxGetUserName(char *buf, int maxSize)
  92 {
  93     // Gets Chooser name of user by examining a System resource.
  94
  95     const short kChooserNameID = -16096;
  96
  97     short oldResFile = CurResFile() ;
  98     UseResFile(0);
  99     StringHandle chooserName = (StringHandle)::GetString(kChooserNameID);
 100     UseResFile(oldResFile);
 101
 102     if (chooserName && *chooserName)
 103     {
 104       int length = (*chooserName)[0] ;
 105       if ( length + 1 > maxSize )
 106       {
 107         length = maxSize - 1 ;
 108       }
 109       strncpy( buf , (char*) &(*chooserName)[1] , length ) ;
 110       buf[length] = 0 ;
 111     }
 112     else
 113         buf[0] = 0 ;
 114
 115   return TRUE;
 116 }
 117
 118 int wxKill(long pid, wxSignal sig , wxKillError *rc )
 119 {
 120     // TODO
 121     return 0;
 122 }
 123
 124 WXDLLEXPORT bool wxGetEnv(const wxString& var, wxString *value)
 125 {
 126     // TODO : under classic there is no environement support, under X yes
 127     return false ;
 128 }
 129
 130 // set the env var name to the given value, return TRUE on success
 131 WXDLLEXPORT bool wxSetEnv(const wxString& var, const wxChar *value)
 132 {
 133     // TODO : under classic there is no environement support, under X yes
 134     return false ;
 135 }
 136
 137 //
 138 // Execute a program in an Interactive Shell
 139 //
 140 bool wxShell(const wxString& command)
 141 {
 142     // TODO
 143     return FALSE;
 144 }
 145
 146 // Shutdown or reboot the PC
 147 bool wxShutdown(wxShutdownFlags wFlags)
 148 {
 149     // TODO
 150     return FALSE;
 151 }
 152
 153 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 154 long wxGetFreeMemory()
 155 {
 156     return FreeMem() ;
 157 }
 158
 159 void wxUsleep(unsigned long milliseconds)
 160 {
 161     clock_t start = clock() ;
 162     do
 163     {
 164         YieldToAnyThread() ;
 165     } while( clock() - start < milliseconds /  1000.0 * CLOCKS_PER_SEC ) ;
 166 }
 167
 168 void wxSleep(int nSecs)
 169 {
 170     wxUsleep(1000*nSecs);
 171 }
 172
 173 // Consume all events until no more left
 174 void wxFlushEvents()
 175 {
 176 }
 177
 178 #if WXWIN_COMPATIBILITY_2_2
 179
 180 // Output a debug message, in a system dependent fashion.
 181 void wxDebugMsg(const char *fmt ...)
 182 {
 183     va_list ap;
 184     static char buffer[512];
 185
 186     if (!wxTheApp->GetWantDebugOutput())
 187         return ;
 188
 189     va_start(ap, fmt);
 190
 191     vsprintf(buffer,fmt,ap) ;
 192     strcat(buffer,";g") ;
 193     c2pstr(buffer) ;
 194     DebugStr((unsigned char*) buffer) ;
 195
 196     va_end(ap);
 197 }
 198
 199 // Non-fatal error: pop up message box and (possibly) continue
 200 void wxError(const wxString& msg, const wxString& title)
 201 {
 202       if (wxMessageBox(wxString::Format(wxT("%s\nContinue?"),msg), title, wxYES_NO) == wxID_NO )
 203         wxExit();
 204 }
 205
 206 // Fatal error: pop up message box and abort
 207 void wxFatalError(const wxString& msg, const wxString& title)
 208 {
 209     wxMessageBox(wxString::Format(wxT("%s: %s"),title,msg));
 210     wxExit();
 211 }
 212
 213 #endif // WXWIN_COMPATIBILITY_2_2
 214
 215 #endif // !__DARWIN__
 216
 217 // Emit a beeeeeep
 218 void wxBell()
 219 {
 220     SysBeep(30);
 221 }
 222
 223 int wxGetOsVersion(int *majorVsn, int *minorVsn)
 224 {
 225     long theSystem ;
 226
 227     // are there x-platform conventions ?
 228
 229     Gestalt(gestaltSystemVersion, &theSystem) ;
 230     if (minorVsn != NULL) {
 231         *minorVsn = (theSystem & 0xFF ) ;
 232     }
 233     if (majorVsn != NULL) {
 234         *majorVsn = (theSystem >> 8 ) ;
 235     }
 236 #ifdef __DARWIN__
 237     return wxMAC_DARWIN;
 238 #else
 239     return wxMAC;
 240 #endif
 241 }
 242
 243 // Reading and writing resources (eg WIN.INI, .Xdefaults)
 244 #if wxUSE_RESOURCES
 245 bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file)
 246 {
 247     // TODO
 248     return FALSE;
 249 }
 250
 251 bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file)
 252 {
 253     char buf[50];
 254     sprintf(buf, "%.4f", value);
 255     return wxWriteResource(section, entry, buf, file);
 256 }
 257
 258 bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file)
 259 {
 260     char buf[50];
 261     sprintf(buf, "%ld", value);
 262     return wxWriteResource(section, entry, buf, file);
 263 }
 264
 265 bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file)
 266 {
 267     char buf[50];
 268     sprintf(buf, "%d", value);
 269     return wxWriteResource(section, entry, buf, file);
 270 }
 271
 272 bool wxGetResource(const wxString& section, const wxString& entry, char **value, const wxString& file)
 273 {
 274     // TODO
 275     return FALSE;
 276 }
 277
 278 bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file)
 279 {
 280     char *s = NULL;
 281     bool succ = wxGetResource(section, entry, (char **)&s, file);
 282     if (succ)
 283     {
 284         *value = (float)strtod(s, NULL);
 285         delete[] s;
 286         return TRUE;
 287     }
 288     else return FALSE;
 289 }
 290
 291 bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file)
 292 {
 293     char *s = NULL;
 294     bool succ = wxGetResource(section, entry, (char **)&s, file);
 295     if (succ)
 296     {
 297         *value = strtol(s, NULL, 10);
 298         delete[] s;
 299         return TRUE;
 300     }
 301     else return FALSE;
 302 }
 303
 304 bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file)
 305 {
 306     char *s = NULL;
 307     bool succ = wxGetResource(section, entry, (char **)&s, file);
 308     if (succ)
 309     {
 310         *value = (int)strtol(s, NULL, 10);
 311         delete[] s;
 312         return TRUE;
 313     }
 314     else return FALSE;
 315 }
 316 #endif // wxUSE_RESOURCES
 317
 318 int gs_wxBusyCursorCount = 0;
 319 extern wxCursor    gMacCurrentCursor ;
 320 wxCursor        gMacStoredActiveCursor ;
 321
 322 // Set the cursor to the busy cursor for all windows
 323 void wxBeginBusyCursor(wxCursor *cursor)
 324 {
 325     if (gs_wxBusyCursorCount++ == 0)
 326     {
 327         gMacStoredActiveCursor = gMacCurrentCursor ;
 328         cursor->MacInstall() ;
 329     }
 330     //else: nothing to do, already set
 331 }
 332
 333 // Restore cursor to normal
 334 void wxEndBusyCursor()
 335 {
 336     wxCHECK_RET( gs_wxBusyCursorCount > 0,
 337         wxT("no matching wxBeginBusyCursor() for wxEndBusyCursor()") );
 338
 339     if (--gs_wxBusyCursorCount == 0)
 340     {
 341         gMacStoredActiveCursor.MacInstall() ;
 342         gMacStoredActiveCursor = wxNullCursor ;
 343     }
 344 }
 345
 346 // TRUE if we're between the above two calls
 347 bool wxIsBusy()
 348 {
 349     return (gs_wxBusyCursorCount > 0);
 350 }
 351
 352 wxString wxMacFindFolder( short        vol,
 353               OSType       folderType,
 354               Boolean      createFolder)
 355 {
 356     short    vRefNum  ;
 357     long     dirID ;
 358     wxString strDir ;
 359
 360     if ( FindFolder( vol, folderType, createFolder, &vRefNum, &dirID) == noErr)
 361     {
 362         FSSpec file ;
 363         if ( FSMakeFSSpec( vRefNum , dirID , "\p" , &file ) == noErr )
 364         {
 365             strDir = wxMacFSSpec2MacFilename( &file ) + wxFILE_SEP_PATH ;
 366         }
 367     }
 368     return strDir ;
 369 }
 370
 371 #ifndef __DARWIN__
 372 char *wxGetUserHome (const wxString& user)
 373 {
 374     // TODO
 375     return NULL;
 376 }
 377
 378 bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
 379 {
 380     if ( path.empty() )
 381         return FALSE;
 382
 383     wxString p = path ;
 384     if (p[0] == ':' ) {
 385       p = wxGetCwd() + p ;
 386     }
 387
 388     int pos = p.Find(':') ;
 389     if ( pos != wxNOT_FOUND ) {
 390       p = p.Mid(1,pos) ;
 391     }
 392
 393     p = p + ":" ;
 394
 395     Str255 volumeName ;
 396     XVolumeParam pb ;
 397
 398     wxMacStringToPascal( p  , volumeName ) ;
 399     OSErr err = XGetVolumeInfoNoName( volumeName , 0 , &pb ) ;
 400     if ( err == noErr ) {
 401       if ( pTotal ) {
 402         (*pTotal) = wxLongLong( pb.ioVTotalBytes ) ;
 403       }
 404       if ( pFree ) {
 405         (*pFree) = wxLongLong( pb.ioVFreeBytes ) ;
 406       }
 407     }
 408
 409     return err == noErr ;
 410 }
 411 #endif
 412
 413 // Check whether this window wants to process messages, e.g. Stop button
 414 // in long calculations.
 415 bool wxCheckForInterrupt(wxWindow *wnd)
 416 {
 417     // TODO
 418     return FALSE;
 419 }
 420
 421 void wxGetMousePosition( int* x, int* y )
 422 {
 423     Point pt ;
 424
 425     GetMouse( &pt ) ;
 426     LocalToGlobal( &pt ) ;
 427     *x = pt.h ;
 428     *y = pt.v ;
 429 };
 430
 431 // Return TRUE if we have a colour display
 432 bool wxColourDisplay()
 433 {
 434     return TRUE;
 435 }
 436
 437 // Returns depth of screen
 438 int wxDisplayDepth()
 439 {
 440     Rect globRect ;
 441     SetRect(&globRect, -32760, -32760, 32760, 32760);
 442     GDHandle    theMaxDevice;
 443
 444     int theDepth = 8;
 445     theMaxDevice = GetMaxDevice(&globRect);
 446     if (theMaxDevice != nil)
 447         theDepth = (**(**theMaxDevice).gdPMap).pixelSize;
 448
 449     return theDepth ;
 450 }
 451
 452 // Get size of display
 453 void wxDisplaySize(int *width, int *height)
 454 {
 455     BitMap screenBits;
 456     GetQDGlobalsScreenBits( &screenBits );
 457
 458     *width = screenBits.bounds.right - screenBits.bounds.left  ;
 459     *height = screenBits.bounds.bottom - screenBits.bounds.top ;
 460 }
 461
 462 void wxDisplaySizeMM(int *width, int *height)
 463 {
 464     wxDisplaySize(width, height);
 465     // on mac 72 is fixed (at least now ;-)
 466     float cvPt2Mm = 25.4 / 72;
 467     *width = int( *width * cvPt2Mm );
 468     *height = int( *height * cvPt2Mm );
 469 }
 470
 471 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
 472 {
 473     BitMap screenBits;
 474     GetQDGlobalsScreenBits( &screenBits );
 475
 476     if (x) *x = 0;
 477     if (y) *y = 0;
 478
 479     *width = screenBits.bounds.right - screenBits.bounds.left  ;
 480     *height = screenBits.bounds.bottom - screenBits.bounds.top ;
 481
 482     SInt16 mheight ;
 483 #if TARGET_CARBON
 484     GetThemeMenuBarHeight( &mheight ) ;
 485 #else
 486     mheight = LMGetMBarHeight() ;
 487 #endif
 488     *height -= mheight ;
 489     if ( y )
 490         *y = mheight ;
 491 }
 492
 493 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
 494 {
 495     return wxGenericFindWindowAtPoint(pt);
 496 }
 497
 498 wxString wxGetOsDescription()
 499 {
 500 #ifdef WXWIN_OS_DESCRIPTION
 501     // use configure generated description if available
 502     return wxString("MacOS (") + WXWIN_OS_DESCRIPTION + wxString(")");
 503 #else
 504     return "MacOS" ; //TODO:define further
 505 #endif
 506 }
 507
 508 //---------------------------------------------------------------------------
 509 // wxMac Specific utility functions
 510 //---------------------------------------------------------------------------
 511
 512 char StringMac[] =  "\x0d\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f"
 513                     "\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f"
 514                     "\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xae\xaf"
 515                     "\xb1\xb4\xb5\xb6\xbb\xbc\xbe\xbf"
 516                     "\xc0\xc1\xc2\xc4\xc7\xc8\xc9\xcb\xcc\xcd\xce\xcf"
 517                     "\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd8\xca\xdb" ;
 518
 519 char StringANSI[] = "\x0a\xC4\xC5\xC7\xC9\xD1\xD6\xDC\xE1\xE0\xE2\xE4\xE3\xE5\xE7\xE9\xE8"
 520                     "\xEA\xEB\xED\xEC\xEE\xEF\xF1\xF3\xF2\xF4\xF6\xF5\xFA\xF9\xFB\xFC"
 521                     "\x86\xBA\xA2\xA3\xA7\x95\xB6\xDF\xAE\xA9\x99\xB4\xA8\xC6\xD8"
 522                     "\xB1\xA5\xB5\xF0\xAA\xBA\xE6\xF8"
 523                     "\xBF\xA1\xAC\x83\xAB\xBB\x85\xC0\xC3\xD5\x8C\x9C"
 524                     "\x96\x97\x93\x94\x91\x92\xF7\xFF\xA0\x80" ;
 525
 526 void wxMacConvertFromPC( const char *from , char *to , int len )
 527 {
 528     char *c ;
 529     if ( from == to )
 530     {
 531         for( int i = 0 ; i < len ; ++ i )
 532         {
 533             c = strchr( StringANSI , *from ) ;
 534             if ( c != NULL )
 535             {
 536                 *to = StringMac[ c - StringANSI] ;
 537             }
 538             ++to ;
 539             ++from ;
 540         }
 541     }
 542     else
 543     {
 544         for( int i = 0 ; i < len ; ++ i )
 545         {
 546             c = strchr( StringANSI , *from ) ;
 547             if ( c != NULL )
 548             {
 549                 *to = StringMac[ c - StringANSI] ;
 550             }
 551             else
 552             {
 553                 *to = *from ;
 554             }
 555             ++to ;
 556             ++from ;
 557         }
 558     }
 559 }
 560
 561 void wxMacConvertToPC( const char *from , char *to , int len )
 562 {
 563     char *c ;
 564     if ( from == to )
 565     {
 566         for( int i = 0 ; i < len ; ++ i )
 567         {
 568             c = strchr( StringMac , *from ) ;
 569             if ( c != NULL )
 570             {
 571                 *to = StringANSI[ c - StringMac] ;
 572             }
 573             ++to ;
 574             ++from ;
 575         }
 576     }
 577     else
 578     {
 579         for( int i = 0 ; i < len ; ++ i )
 580         {
 581             c = strchr( StringMac , *from ) ;
 582             if ( c != NULL )
 583             {
 584                 *to = StringANSI[ c - StringMac] ;
 585             }
 586             else
 587             {
 588                 *to = *from ;
 589             }
 590             ++to ;
 591             ++from ;
 592         }
 593     }
 594 }
 595
 596 wxString wxMacMakeMacStringFromPC( const char * p )
 597 {
 598     wxString result ;
 599     int len = strlen ( p ) ;
 600     if ( len > 0 )
 601     {
 602         wxChar* ptr = result.GetWriteBuf(len) ;
 603         wxMacConvertFromPC( p , ptr , len ) ;
 604         ptr[len] = 0 ;
 605         result.UngetWriteBuf( len ) ;
 606     }
 607     return result ;
 608 }
 609
 610 wxString wxMacMakePCStringFromMac( const char * p )
 611 {
 612     wxString result ;
 613     int len = strlen ( p ) ;
 614     if ( len > 0 )
 615     {
 616         wxChar* ptr = result.GetWriteBuf(len) ;
 617         wxMacConvertToPC( p , ptr , len ) ;
 618         ptr[len] = 0 ;
 619         result.UngetWriteBuf( len ) ;
 620     }
 621     return result ;
 622 }
 623
 624 wxString wxMacMakeStringFromMacString( const char* from , bool mac2pcEncoding )
 625 {
 626     if (mac2pcEncoding)
 627     {
 628       return wxMacMakePCStringFromMac( from ) ;
 629     }
 630     else
 631     {
 632       return wxString( from ) ;
 633     }
 634 }
 635
 636 //
 637 // Pascal Strings
 638 //
 639
 640 wxString wxMacMakeStringFromPascal( ConstStringPtr from , bool mac2pcEncoding )
 641 {
 642       // this is safe since a pascal string can never be larger than 256 bytes
 643       char s[256] ;
 644       CopyPascalStringToC( from , s ) ;
 645     if (mac2pcEncoding)
 646     {
 647       return wxMacMakePCStringFromMac( s ) ;
 648     }
 649     else
 650     {
 651       return wxString( s ) ;
 652     }
 653 }
 654
 655 void wxMacStringToPascal( const char * from , StringPtr to , bool pc2macEncoding )
 656 {
 657     if (pc2macEncoding)
 658     {
 659       CopyCStringToPascal( wxMacMakeMacStringFromPC( from ) , to ) ;
 660     }
 661     else
 662     {
 663       CopyCStringToPascal( from , to ) ;
 664     }
 665 }
 666
 667 //
 668 // CFStringRefs (Carbon only)
 669 //
 670
 671 #if TARGET_CARBON
 672 // converts this string into a carbon foundation string with optional pc 2 mac encoding
 673 CFStringRef wxMacCreateCFString( const wxString &str , bool pc2macEncoding )
 674 {
 675     return CFStringCreateWithCString( kCFAllocatorSystemDefault , str.c_str() ,
 676         pc2macEncoding ?
 677         kCFStringEncodingWindowsLatin1 : CFStringGetSystemEncoding() ) ;
 678 }
 679
 680 #endif //TARGET_CARBON
 681