src/mac/utils.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        utils.cpp
   3 // Purpose:     Various utilities
   4 // Author:      AUTHOR
   5 // Modified by:
   6 // Created:     ??/??/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   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. AUTHOR
  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 / 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   wxSprintf(wxBuffer, wxT("%s\nContinue?"), WXSTRINGCAST msg);
 203   if (wxMessageBox(wxBuffer, title, wxYES_NO) == wxID_NO )
 204     wxExit();
 205 }
 206
 207 // Fatal error: pop up message box and abort
 208 void wxFatalError(const wxString& msg, const wxString& title)
 209 {
 210   wxSprintf(wxBuffer, wxT("%s: %s"), WXSTRINGCAST title, WXSTRINGCAST msg);
 211   wxMessageBox(wxBuffer);
 212   wxExit();
 213 }
 214
 215 #endif // WXWIN_COMPATIBILITY_2_2
 216
 217 #endif // !__DARWIN__
 218
 219 // Emit a beeeeeep
 220 void wxBell()
 221 {
 222     SysBeep(30);
 223 }
 224
 225 int wxGetOsVersion(int *majorVsn, int *minorVsn)
 226 {
 227     long theSystem ;
 228
 229     // are there x-platform conventions ?
 230
 231     Gestalt(gestaltSystemVersion, &theSystem) ;
 232     if (minorVsn != NULL) {
 233         *minorVsn = (theSystem & 0xFF ) ;
 234     }
 235     if (majorVsn != NULL) {
 236         *majorVsn = (theSystem >> 8 ) ;
 237     }
 238 #ifdef __DARWIN__
 239     return wxMAC_DARWIN;
 240 #else
 241     return wxMAC;
 242 #endif
 243 }
 244
 245 // Reading and writing resources (eg WIN.INI, .Xdefaults)
 246 #if wxUSE_RESOURCES
 247 bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file)
 248 {
 249     // TODO
 250     return FALSE;
 251 }
 252
 253 bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file)
 254 {
 255   char buf[50];
 256   sprintf(buf, "%.4f", value);
 257   return wxWriteResource(section, entry, buf, file);
 258 }
 259
 260 bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file)
 261 {
 262   char buf[50];
 263   sprintf(buf, "%ld", value);
 264   return wxWriteResource(section, entry, buf, file);
 265 }
 266
 267 bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file)
 268 {
 269   char buf[50];
 270   sprintf(buf, "%d", value);
 271   return wxWriteResource(section, entry, buf, file);
 272 }
 273
 274 bool wxGetResource(const wxString& section, const wxString& entry, char **value, const wxString& file)
 275 {
 276     // TODO
 277     return FALSE;
 278 }
 279
 280 bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file)
 281 {
 282   char *s = NULL;
 283   bool succ = wxGetResource(section, entry, (char **)&s, file);
 284   if (succ)
 285   {
 286     *value = (float)strtod(s, NULL);
 287     delete[] s;
 288     return TRUE;
 289   }
 290   else return FALSE;
 291 }
 292
 293 bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file)
 294 {
 295   char *s = NULL;
 296   bool succ = wxGetResource(section, entry, (char **)&s, file);
 297   if (succ)
 298   {
 299     *value = strtol(s, NULL, 10);
 300     delete[] s;
 301     return TRUE;
 302   }
 303   else return FALSE;
 304 }
 305
 306 bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file)
 307 {
 308   char *s = NULL;
 309   bool succ = wxGetResource(section, entry, (char **)&s, file);
 310   if (succ)
 311   {
 312     *value = (int)strtol(s, NULL, 10);
 313     delete[] s;
 314     return TRUE;
 315   }
 316   else return FALSE;
 317 }
 318 #endif // wxUSE_RESOURCES
 319
 320 int gs_wxBusyCursorCount = 0;
 321 extern wxCursor gMacCurrentCursor ;
 322 wxCursor                gMacStoredActiveCursor ;
 323
 324 // Set the cursor to the busy cursor for all windows
 325 void wxBeginBusyCursor(wxCursor *cursor)
 326 {
 327   if (gs_wxBusyCursorCount++ == 0)
 328   {
 329         gMacStoredActiveCursor = gMacCurrentCursor ;
 330         cursor->MacInstall() ;
 331   }
 332   //else: nothing to do, already set
 333 }
 334
 335 // Restore cursor to normal
 336 void wxEndBusyCursor()
 337 {
 338     wxCHECK_RET( gs_wxBusyCursorCount > 0,
 339                  wxT("no matching wxBeginBusyCursor() for wxEndBusyCursor()") );
 340
 341   if (--gs_wxBusyCursorCount == 0)
 342   {
 343         gMacStoredActiveCursor.MacInstall() ;
 344         gMacStoredActiveCursor = wxNullCursor ;
 345   }
 346 }
 347
 348 // TRUE if we're between the above two calls
 349 bool wxIsBusy()
 350 {
 351   return (gs_wxBusyCursorCount > 0);
 352 }
 353
 354 wxString wxMacFindFolder( short        vol,
 355                           OSType       folderType,
 356                           Boolean      createFolder)
 357 {
 358     short    vRefNum  ;
 359     long     dirID ;
 360     wxString strDir ;
 361
 362     if ( FindFolder( vol, folderType, createFolder, &vRefNum, &dirID) == noErr)
 363     {
 364         FSSpec file ;
 365         if ( FSMakeFSSpec( vRefNum , dirID , "\p" , &file ) == noErr )
 366         {
 367             strDir = wxMacFSSpec2MacFilename( &file ) + wxFILE_SEP_PATH ;
 368         }
 369     }
 370     return strDir ;
 371 }
 372
 373 #ifndef __DARWIN__
 374 char *wxGetUserHome (const wxString& user)
 375 {
 376     // TODO
 377     return NULL;
 378 }
 379
 380 bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
 381 {
 382     if ( path.empty() )
 383         return FALSE;
 384
 385     wxString p = path ;
 386     if (p[0] == ':' ) {
 387       p = wxGetCwd() + p ;
 388     }
 389
 390     int pos = p.Find(':') ;
 391     if ( pos != wxNOT_FOUND ) {
 392       p = p.Mid(1,pos) ;
 393     }
 394
 395     p = p + ":" ;
 396
 397     Str255 volumeName ;
 398     XVolumeParam pb ;
 399
 400     wxMacStringToPascal( p  , volumeName ) ;
 401     OSErr err = XGetVolumeInfoNoName( volumeName , 0 , &pb ) ;
 402     if ( err == noErr ) {
 403       if ( pTotal ) {
 404         (*pTotal) = wxLongLong( pb.ioVTotalBytes ) ;
 405       }
 406       if ( pFree ) {
 407         (*pFree) = wxLongLong( pb.ioVFreeBytes ) ;
 408       }
 409     }
 410
 411     return err == noErr ;
 412 }
 413 #endif
 414
 415 // Check whether this window wants to process messages, e.g. Stop button
 416 // in long calculations.
 417 bool wxCheckForInterrupt(wxWindow *wnd)
 418 {
 419     // TODO
 420     return FALSE;
 421 }
 422
 423 void wxGetMousePosition( int* x, int* y )
 424 {
 425     Point pt ;
 426
 427     GetMouse( &pt ) ;
 428     LocalToGlobal( &pt ) ;
 429     *x = pt.h ;
 430     *y = pt.v ;
 431 };
 432
 433 // Return TRUE if we have a colour display
 434 bool wxColourDisplay()
 435 {
 436     return TRUE;
 437 }
 438
 439 // Returns depth of screen
 440 int wxDisplayDepth()
 441 {
 442         Rect globRect ;
 443         SetRect(&globRect, -32760, -32760, 32760, 32760);
 444         GDHandle        theMaxDevice;
 445
 446         int theDepth = 8;
 447         theMaxDevice = GetMaxDevice(&globRect);
 448         if (theMaxDevice != nil)
 449                 theDepth = (**(**theMaxDevice).gdPMap).pixelSize;
 450
 451         return theDepth ;
 452 }
 453
 454 // Get size of display
 455 void wxDisplaySize(int *width, int *height)
 456 {
 457         BitMap screenBits;
 458         GetQDGlobalsScreenBits( &screenBits );
 459
 460     *width = screenBits.bounds.right - screenBits.bounds.left  ;
 461     *height = screenBits.bounds.bottom - screenBits.bounds.top ;
 462 }
 463
 464 void wxDisplaySizeMM(int *width, int *height)
 465 {
 466     wxDisplaySize(width, height);
 467     // on mac 72 is fixed (at least now ;-)
 468     float cvPt2Mm = 25.4 / 72;
 469     *width = int( *width * cvPt2Mm );
 470     *height = int( *height * cvPt2Mm );
 471 }
 472
 473 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
 474 {
 475     BitMap screenBits;
 476     GetQDGlobalsScreenBits( &screenBits );
 477
 478     if (x) *x = 0;
 479     if (y) *y = 0;
 480
 481     *width = screenBits.bounds.right - screenBits.bounds.left  ;
 482     *height = screenBits.bounds.bottom - screenBits.bounds.top ;
 483
 484     SInt16 mheight ;
 485 #if TARGET_CARBON
 486     GetThemeMenuBarHeight( &mheight ) ;
 487 #else
 488     mheight = LMGetMBarHeight() ;
 489 #endif
 490     *height -= mheight ;
 491     if ( y )
 492         *y = mheight ;
 493 }
 494
 495 wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
 496 {
 497     return wxGenericFindWindowAtPoint(pt);
 498 }
 499
 500 wxString wxGetOsDescription()
 501 {
 502 #ifdef WXWIN_OS_DESCRIPTION
 503     // use configure generated description if available
 504     return wxString("MacOS (") + WXWIN_OS_DESCRIPTION + wxString(")");
 505 #else
 506     return "MacOS" ; //TODO:define further
 507 #endif
 508 }
 509
 510 //---------------------------------------------------------------------------
 511 // wxMac Specific utility functions
 512 //---------------------------------------------------------------------------
 513
 514 #if TARGET_CARBON
 515 // converts this string into a carbon foundation string with optional pc 2 mac encoding
 516 CFStringRef wxMacCreateCFString( const wxString &str , bool pc2macEncoding )
 517 {
 518         return CFStringCreateWithCString( kCFAllocatorSystemDefault , str.c_str() ,
 519                 pc2macEncoding ?
 520                 kCFStringEncodingWindowsLatin1 : CFStringGetSystemEncoding() ) ;
 521 }
 522
 523 #endif //TARGET_CARBON
 524