src/mac/carbon/utils.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        utils.cpp
// Purpose:     Various utilities
// Author:      AUTHOR
// Modified by:
// Created:     ??/??/98
// RCS-ID:      $Id$
// Copyright:   (c) AUTHOR
// Licence:   	wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifdef __GNUG__
// Note: this is done in utilscmn.cpp now.
// #pragma implementation "utils.h"
#endif

#include "wx/setup.h"
#include "wx/utils.h"
#include "wx/app.h"
#include "wx/mac/uma.h"

#include <ctype.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>

#include "MoreFiles.h"
#include "MoreFilesExtras.h"

#ifndef __DARWIN__
#include <Threads.h>
#include <Sound.h>
#endif

#ifndef __DARWIN__
// defined in unix/utilsunx.cpp for Mac OS X

// get full hostname (with domain name if possible)
bool wxGetFullHostName(wxChar *buf, int maxSize)
{
    return wxGetHostName(buf, maxSize);
}

// Get hostname only (without domain name)
bool wxGetHostName(char *buf, int maxSize)
{
	// Gets Chooser name of user by examining a System resource.

	const short kComputerNameID = -16413;

	short oldResFile = CurResFile() ;
	UseResFile(0);
	StringHandle chooserName = (StringHandle)::GetString(kComputerNameID);
	UseResFile(oldResFile);

	if (chooserName && *chooserName)
	{
	  int length = (*chooserName)[0] ;
	  if ( length + 1 > maxSize )
	  {
	    length = maxSize - 1 ;
	  }
	  strncpy( buf , (char*) &(*chooserName)[1] , length ) ;
	  buf[length] = 0 ;
	}
	else
		buf[0] = 0 ;

  return TRUE;
}

// Get user ID e.g. jacs
bool wxGetUserId(char *buf, int maxSize)
{
  return wxGetUserName( buf , maxSize ) ;
}

const wxChar* wxGetHomeDir(wxString *pstr)
{
	*pstr = wxMacFindFolder(  (short) kOnSystemDisk, kPreferencesFolderType, kDontCreateFolder ) ;
	return pstr->c_str() ;
}

// Get user name e.g. AUTHOR
bool wxGetUserName(char *buf, int maxSize)
{
	// Gets Chooser name of user by examining a System resource.

	const short kChooserNameID = -16096;

	short oldResFile = CurResFile() ;
	UseResFile(0);
	StringHandle chooserName = (StringHandle)::GetString(kChooserNameID);
	UseResFile(oldResFile);

	if (chooserName && *chooserName)
	{
	  int length = (*chooserName)[0] ;
	  if ( length + 1 > maxSize )
	  {
	    length = maxSize - 1 ;
	  }
	  strncpy( buf , (char*) &(*chooserName)[1] , length ) ;
	  buf[length] = 0 ;
	}
	else
		buf[0] = 0 ;

  return TRUE;
}

int wxKill(long pid, wxSignal sig , wxKillError *rc )
{
    // TODO
    return 0;
}

WXDLLEXPORT bool wxGetEnv(const wxString& var, wxString *value)
{
  // TODO : under classic there is no environement support, under X yes
  return false ;
}

// set the env var name to the given value, return TRUE on success
WXDLLEXPORT bool wxSetEnv(const wxString& var, const wxChar *value)
{
  // TODO : under classic there is no environement support, under X yes
  return false ;
}

//
// Execute a program in an Interactive Shell
//
bool wxShell(const wxString& command)
{
    // TODO
    return FALSE;
}

// Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
long wxGetFreeMemory()
{
    return FreeMem() ;
}

void wxUsleep(unsigned long milliseconds)
{
    clock_t start = clock() ;
    do
    {
	YieldToAnyThread() ;
    } while( clock() - start < milliseconds / CLOCKS_PER_SEC ) ;
}

void wxSleep(int nSecs)
{
    wxUsleep(1000*nSecs);
}

// Consume all events until no more left
void wxFlushEvents()
{
}

// Output a debug message, in a system dependent fashion.
void wxDebugMsg(const char *fmt ...)
{
  va_list ap;
  static char buffer[512];

  if (!wxTheApp->GetWantDebugOutput())
    return ;

  va_start(ap, fmt);

  vsprintf(buffer,fmt,ap) ;
  strcat(buffer,";g") ;
  c2pstr(buffer) ;
  DebugStr((unsigned char*) buffer) ;

  va_end(ap);
}

// Non-fatal error: pop up message box and (possibly) continue
void wxError(const wxString& msg, const wxString& title)
{
  wxSprintf(wxBuffer, wxT("%s\nContinue?"), WXSTRINGCAST msg);
  if (wxMessageBox(wxBuffer, title, wxYES_NO) == wxID_NO )
    wxExit();
}

// Fatal error: pop up message box and abort
void wxFatalError(const wxString& msg, const wxString& title)
{
  wxSprintf(wxBuffer, wxT("%s: %s"), WXSTRINGCAST title, WXSTRINGCAST msg);
  wxMessageBox(wxBuffer);
  wxExit();
}
#endif // !__DARWIN__

// Emit a beeeeeep
void wxBell()
{
    SysBeep(30);
}

int wxGetOsVersion(int *majorVsn, int *minorVsn)
{
    long theSystem ;

    // are there x-platform conventions ?

    Gestalt(gestaltSystemVersion, &theSystem) ;
    if (minorVsn != NULL) {
	*minorVsn = (theSystem & 0xFF ) ;
    }
    if (majorVsn != NULL) {
	*majorVsn = (theSystem >> 8 ) ;
    }
#ifdef __DARWIN__
    return wxMAC_DARWIN;
#else
    return wxMAC;
#endif
}

// Reading and writing resources (eg WIN.INI, .Xdefaults)
#if wxUSE_RESOURCES
bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file)
{
    // TODO
    return FALSE;
}

bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file)
{
  char buf[50];
  sprintf(buf, "%.4f", value);
  return wxWriteResource(section, entry, buf, file);
}

bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file)
{
  char buf[50];
  sprintf(buf, "%ld", value);
  return wxWriteResource(section, entry, buf, file);
}

bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file)
{
  char buf[50];
  sprintf(buf, "%d", value);
  return wxWriteResource(section, entry, buf, file);
}

bool wxGetResource(const wxString& section, const wxString& entry, char **value, const wxString& file)
{
    // TODO
    return FALSE;
}

bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file)
{
  char *s = NULL;
  bool succ = wxGetResource(section, entry, (char **)&s, file);
  if (succ)
  {
    *value = (float)strtod(s, NULL);
    delete[] s;
    return TRUE;
  }
  else return FALSE;
}

bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file)
{
  char *s = NULL;
  bool succ = wxGetResource(section, entry, (char **)&s, file);
  if (succ)
  {
    *value = strtol(s, NULL, 10);
    delete[] s;
    return TRUE;
  }
  else return FALSE;
}

bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file)
{
  char *s = NULL;
  bool succ = wxGetResource(section, entry, (char **)&s, file);
  if (succ)
  {
    *value = (int)strtol(s, NULL, 10);
    delete[] s;
    return TRUE;
  }
  else return FALSE;
}
#endif // wxUSE_RESOURCES

int wxBusyCursorCount = 0;
extern CursHandle	gMacCurrentCursor ;
CursHandle			gMacStoredActiveCursor = NULL ;

// Set the cursor to the busy cursor for all windows
void wxBeginBusyCursor(wxCursor *cursor)
{
  wxBusyCursorCount ++;
  if (wxBusyCursorCount == 1)
  {
  	gMacStoredActiveCursor = gMacCurrentCursor ;
		::SetCursor( *::GetCursor( watchCursor ) ) ;
  }
  else
  {
        // TODO
  }
}

// Restore cursor to normal
void wxEndBusyCursor()
{
  if (wxBusyCursorCount == 0)
    return;

  wxBusyCursorCount --;
  if (wxBusyCursorCount == 0)
  {
    if ( gMacStoredActiveCursor )
    	::SetCursor( *gMacStoredActiveCursor ) ;
    else
    {
		Cursor 		MacArrow ;
    	::SetCursor( GetQDGlobalsArrow( &MacArrow ) ) ;
    }
   	gMacStoredActiveCursor = NULL ;
  }
}

// TRUE if we're between the above two calls
bool wxIsBusy()
{
  return (wxBusyCursorCount > 0);
}

wxString wxMacFindFolder( short        vol,
			  OSType       folderType,
			  Boolean      createFolder)
{
	short 		vRefNum  ;
	long 		dirID ;
	wxString strDir ;

	if ( FindFolder( vol, folderType, createFolder, &vRefNum, &dirID) == noErr)
	{
		FSSpec file ;
		if ( FSMakeFSSpec( vRefNum , dirID , "\p" , &file ) == noErr )
		{
			strDir = wxMacFSSpec2MacFilename( &file ) + wxFILE_SEP_PATH ;
		}
	}
	return strDir ;
}

#ifndef __DARWIN__
char *wxGetUserHome (const wxString& user)
{
    // TODO
    return NULL;
}

bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
{
    if ( path.empty() )
        return FALSE;

    wxString p = path ;
    if (p[0] == ':' ) {
      p = wxGetCwd() + p ;
    }

    int pos = p.Find(':') ;
    if ( pos != wxNOT_FOUND ) {
      p = p.Mid(1,pos) ;
    }

    p = p + ":" ;

    Str255 volumeName ;
    XVolumeParam pb ;

    wxMacStringToPascal( p  , volumeName ) ;
    OSErr err = XGetVolumeInfoNoName( volumeName , 0 , &pb ) ;
    if ( err == noErr ) {
      if ( pTotal ) {
        (*pTotal) = wxLongLong( pb.ioVTotalBytes ) ;
      }
      if ( pFree ) {
        (*pFree) = wxLongLong( pb.ioVFreeBytes ) ;
      }
    }

    return err == noErr ;
}
#endif

// Check whether this window wants to process messages, e.g. Stop button
// in long calculations.
bool wxCheckForInterrupt(wxWindow *wnd)
{
    // TODO
    return FALSE;
}

void wxGetMousePosition( int* x, int* y )
{
    Point pt ;

    GetMouse( &pt ) ;
    LocalToGlobal( &pt ) ;
    *x = pt.h ;
    *y = pt.v ;
};

// Return TRUE if we have a colour display
bool wxColourDisplay()
{
    return TRUE;
}

// Returns depth of screen
int wxDisplayDepth()
{
	Rect globRect ;
	SetRect(&globRect, -32760, -32760, 32760, 32760);
	GDHandle	theMaxDevice;

	int theDepth = 8;
	theMaxDevice = GetMaxDevice(&globRect);
	if (theMaxDevice != nil)
		theDepth = (**(**theMaxDevice).gdPMap).pixelSize;

	return theDepth ;
}

// Get size of display
void wxDisplaySize(int *width, int *height)
{
	BitMap screenBits;
	GetQDGlobalsScreenBits( &screenBits );

    *width = screenBits.bounds.right - screenBits.bounds.left  ;
    *height = screenBits.bounds.bottom - screenBits.bounds.top ;
#if TARGET_CARBON
 	SInt16 mheight ;
 	GetThemeMenuBarHeight( &mheight ) ;
     *height -= mheight ;
#else
     *height -= LMGetMBarHeight() ;
#endif
}

void wxDisplaySizeMM(int *width, int *height)
{
   wxDisplaySize(width, height);
}

void wxClientDisplayRect(int *x, int *y, int *width, int *height)
{
    // This is supposed to return desktop dimensions minus any window
    // manager panels, menus, taskbars, etc.  If there is a way to do that
    // for this platform please fix this function, otherwise it defaults
    // to the entire desktop.
    if (x) *x = 0;
    if (y) *y = 0;
    wxDisplaySize(width, height);
}

wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
{
    return wxGenericFindWindowAtPoint(pt);
}

wxString wxGetOsDescription()
{
#ifdef WXWIN_OS_DESCRIPTION
    // use configure generated description if available
    return wxString("MacOS (") + WXWIN_OS_DESCRIPTION + wxString(")");
#else
    return "MacOS" ; //TODO:define further
#endif
}
Commit	Line	Data
	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	#include "MoreFiles.h"
	30	#include "MoreFilesExtras.h"
	31
	32	#ifndef __DARWIN__
	33	#include <Threads.h>
	34	#include <Sound.h>
	35	#endif
	36
	37	#ifndef __DARWIN__
	38	// defined in unix/utilsunx.cpp for Mac OS X
	39
	40	// get full hostname (with domain name if possible)
	41	bool wxGetFullHostName(wxChar *buf, int maxSize)
	42	{
	43	return wxGetHostName(buf, maxSize);
	44	}
	45
	46	// Get hostname only (without domain name)
	47	bool wxGetHostName(char *buf, int maxSize)
	48	{
	49	// Gets Chooser name of user by examining a System resource.
	50
	51	const short kComputerNameID = -16413;
	52
	53	short oldResFile = CurResFile() ;
	54	UseResFile(0);
	55	StringHandle chooserName = (StringHandle)::GetString(kComputerNameID);
	56	UseResFile(oldResFile);
	57
	58	if (chooserName && *chooserName)
	59	{
	60	int length = (*chooserName)[0] ;
	61	if ( length + 1 > maxSize )
	62	{
	63	length = maxSize - 1 ;
	64	}
	65	strncpy( buf , (char) &(chooserName)[1] , length ) ;
	66	buf[length] = 0 ;
	67	}
	68	else
	69	buf[0] = 0 ;
	70
	71	return TRUE;
	72	}
	73
	74	// Get user ID e.g. jacs
	75	bool wxGetUserId(char *buf, int maxSize)
	76	{
	77	return wxGetUserName( buf , maxSize ) ;
	78	}
	79
	80	const wxChar* wxGetHomeDir(wxString *pstr)
	81	{
	82	*pstr = wxMacFindFolder( (short) kOnSystemDisk, kPreferencesFolderType, kDontCreateFolder ) ;
	83	return pstr->c_str() ;
	84	}
	85
	86	// Get user name e.g. AUTHOR
	87	bool wxGetUserName(char *buf, int maxSize)
	88	{
	89	// Gets Chooser name of user by examining a System resource.
	90
	91	const short kChooserNameID = -16096;
	92
	93	short oldResFile = CurResFile() ;
	94	UseResFile(0);
	95	StringHandle chooserName = (StringHandle)::GetString(kChooserNameID);
	96	UseResFile(oldResFile);
	97
	98	if (chooserName && *chooserName)
	99	{
	100	int length = (*chooserName)[0] ;
	101	if ( length + 1 > maxSize )
	102	{
	103	length = maxSize - 1 ;
	104	}
	105	strncpy( buf , (char) &(chooserName)[1] , length ) ;
	106	buf[length] = 0 ;
	107	}
	108	else
	109	buf[0] = 0 ;
	110
	111	return TRUE;
	112	}
	113
	114	int wxKill(long pid, wxSignal sig , wxKillError *rc )
	115	{
	116	// TODO
	117	return 0;
	118	}
	119
	120	WXDLLEXPORT bool wxGetEnv(const wxString& var, wxString *value)
	121	{
	122	// TODO : under classic there is no environement support, under X yes
	123	return false ;
	124	}
	125
	126	// set the env var name to the given value, return TRUE on success
	127	WXDLLEXPORT bool wxSetEnv(const wxString& var, const wxChar *value)
	128	{
	129	// TODO : under classic there is no environement support, under X yes
	130	return false ;
	131	}
	132
	133	//
	134	// Execute a program in an Interactive Shell
	135	//
	136	bool wxShell(const wxString& command)
	137	{
	138	// TODO
	139	return FALSE;
	140	}
	141
	142	// Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
	143	long wxGetFreeMemory()
	144	{
	145	return FreeMem() ;
	146	}
	147
	148	void wxUsleep(unsigned long milliseconds)
	149	{
	150	clock_t start = clock() ;
	151	do
	152	{
	153	YieldToAnyThread() ;
	154	} while( clock() - start < milliseconds / CLOCKS_PER_SEC ) ;
	155	}
	156
	157	void wxSleep(int nSecs)
	158	{
	159	wxUsleep(1000*nSecs);
	160	}
	161
	162	// Consume all events until no more left
	163	void wxFlushEvents()
	164	{
	165	}
	166
	167	// Output a debug message, in a system dependent fashion.
	168	void wxDebugMsg(const char *fmt ...)
	169	{
	170	va_list ap;
	171	static char buffer[512];
	172
	173	if (!wxTheApp->GetWantDebugOutput())
	174	return ;
	175
	176	va_start(ap, fmt);
	177
	178	vsprintf(buffer,fmt,ap) ;
	179	strcat(buffer,";g") ;
	180	c2pstr(buffer) ;
	181	DebugStr((unsigned char*) buffer) ;
	182
	183	va_end(ap);
	184	}
	185
	186	// Non-fatal error: pop up message box and (possibly) continue
	187	void wxError(const wxString& msg, const wxString& title)
	188	{
	189	wxSprintf(wxBuffer, wxT("%s\nContinue?"), WXSTRINGCAST msg);
	190	if (wxMessageBox(wxBuffer, title, wxYES_NO) == wxID_NO )
	191	wxExit();
	192	}
	193
	194	// Fatal error: pop up message box and abort
	195	void wxFatalError(const wxString& msg, const wxString& title)
	196	{
	197	wxSprintf(wxBuffer, wxT("%s: %s"), WXSTRINGCAST title, WXSTRINGCAST msg);
	198	wxMessageBox(wxBuffer);
	199	wxExit();
	200	}
	201	#endif // !__DARWIN__
	202
	203	// Emit a beeeeeep
	204	void wxBell()
	205	{
	206	SysBeep(30);
	207	}
	208
	209	int wxGetOsVersion(int majorVsn, int minorVsn)
	210	{
	211	long theSystem ;
	212
	213	// are there x-platform conventions ?
	214
	215	Gestalt(gestaltSystemVersion, &theSystem) ;
	216	if (minorVsn != NULL) {
	217	*minorVsn = (theSystem & 0xFF ) ;
	218	}
	219	if (majorVsn != NULL) {
	220	*majorVsn = (theSystem >> 8 ) ;
	221	}
	222	#ifdef __DARWIN__
	223	return wxMAC_DARWIN;
	224	#else
	225	return wxMAC;
	226	#endif
	227	}
	228
	229	// Reading and writing resources (eg WIN.INI, .Xdefaults)
	230	#if wxUSE_RESOURCES
	231	bool wxWriteResource(const wxString& section, const wxString& entry, const wxString& value, const wxString& file)
	232	{
	233	// TODO
	234	return FALSE;
	235	}
	236
	237	bool wxWriteResource(const wxString& section, const wxString& entry, float value, const wxString& file)
	238	{
	239	char buf[50];
	240	sprintf(buf, "%.4f", value);
	241	return wxWriteResource(section, entry, buf, file);
	242	}
	243
	244	bool wxWriteResource(const wxString& section, const wxString& entry, long value, const wxString& file)
	245	{
	246	char buf[50];
	247	sprintf(buf, "%ld", value);
	248	return wxWriteResource(section, entry, buf, file);
	249	}
	250
	251	bool wxWriteResource(const wxString& section, const wxString& entry, int value, const wxString& file)
	252	{
	253	char buf[50];
	254	sprintf(buf, "%d", value);
	255	return wxWriteResource(section, entry, buf, file);
	256	}
	257
	258	bool wxGetResource(const wxString& section, const wxString& entry, char **value, const wxString& file)
	259	{
	260	// TODO
	261	return FALSE;
	262	}
	263
	264	bool wxGetResource(const wxString& section, const wxString& entry, float *value, const wxString& file)
	265	{
	266	char *s = NULL;
	267	bool succ = wxGetResource(section, entry, (char **)&s, file);
	268	if (succ)
	269	{
	270	*value = (float)strtod(s, NULL);
	271	delete[] s;
	272	return TRUE;
	273	}
	274	else return FALSE;
	275	}
	276
	277	bool wxGetResource(const wxString& section, const wxString& entry, long *value, const wxString& file)
	278	{
	279	char *s = NULL;
	280	bool succ = wxGetResource(section, entry, (char **)&s, file);
	281	if (succ)
	282	{
	283	*value = strtol(s, NULL, 10);
	284	delete[] s;
	285	return TRUE;
	286	}
	287	else return FALSE;
	288	}
	289
	290	bool wxGetResource(const wxString& section, const wxString& entry, int *value, const wxString& file)
	291	{
	292	char *s = NULL;
	293	bool succ = wxGetResource(section, entry, (char **)&s, file);
	294	if (succ)
	295	{
	296	*value = (int)strtol(s, NULL, 10);
	297	delete[] s;
	298	return TRUE;
	299	}
	300	else return FALSE;
	301	}
	302	#endif // wxUSE_RESOURCES
	303
	304	int wxBusyCursorCount = 0;
	305	extern CursHandle gMacCurrentCursor ;
	306	CursHandle gMacStoredActiveCursor = NULL ;
	307
	308	// Set the cursor to the busy cursor for all windows
	309	void wxBeginBusyCursor(wxCursor *cursor)
	310	{
	311	wxBusyCursorCount ++;
	312	if (wxBusyCursorCount == 1)
	313	{
	314	gMacStoredActiveCursor = gMacCurrentCursor ;
	315	::SetCursor( *::GetCursor( watchCursor ) ) ;
	316	}
	317	else
	318	{
	319	// TODO
	320	}
	321	}
	322
	323	// Restore cursor to normal
	324	void wxEndBusyCursor()
	325	{
	326	if (wxBusyCursorCount == 0)
	327	return;
	328
	329	wxBusyCursorCount --;
	330	if (wxBusyCursorCount == 0)
	331	{
	332	if ( gMacStoredActiveCursor )
	333	::SetCursor( *gMacStoredActiveCursor ) ;
	334	else
	335	{
	336	Cursor MacArrow ;
	337	::SetCursor( GetQDGlobalsArrow( &MacArrow ) ) ;
	338	}
	339	gMacStoredActiveCursor = NULL ;
	340	}
	341	}
	342
	343	// TRUE if we're between the above two calls
	344	bool wxIsBusy()
	345	{
	346	return (wxBusyCursorCount > 0);
	347	}
	348
	349	wxString wxMacFindFolder( short vol,
	350	OSType folderType,
	351	Boolean createFolder)
	352	{
	353	short vRefNum ;
	354	long dirID ;
	355	wxString strDir ;
	356
	357	if ( FindFolder( vol, folderType, createFolder, &vRefNum, &dirID) == noErr)
	358	{
	359	FSSpec file ;
	360	if ( FSMakeFSSpec( vRefNum , dirID , "\p" , &file ) == noErr )
	361	{
	362	strDir = wxMacFSSpec2MacFilename( &file ) + wxFILE_SEP_PATH ;
	363	}
	364	}
	365	return strDir ;
	366	}
	367
	368	#ifndef __DARWIN__
	369	char *wxGetUserHome (const wxString& user)
	370	{
	371	// TODO
	372	return NULL;
	373	}
	374
	375	bool wxGetDiskSpace(const wxString& path, wxLongLong pTotal, wxLongLong pFree)
	376	{
	377	if ( path.empty() )
	378	return FALSE;
	379
	380	wxString p = path ;
	381	if (p[0] == ':' ) {
	382	p = wxGetCwd() + p ;
	383	}
	384
	385	int pos = p.Find(':') ;
	386	if ( pos != wxNOT_FOUND ) {
	387	p = p.Mid(1,pos) ;
	388	}
	389
	390	p = p + ":" ;
	391
	392	Str255 volumeName ;
	393	XVolumeParam pb ;
	394
	395	wxMacStringToPascal( p , volumeName ) ;
	396	OSErr err = XGetVolumeInfoNoName( volumeName , 0 , &pb ) ;
	397	if ( err == noErr ) {
	398	if ( pTotal ) {
	399	(*pTotal) = wxLongLong( pb.ioVTotalBytes ) ;
	400	}
	401	if ( pFree ) {
	402	(*pFree) = wxLongLong( pb.ioVFreeBytes ) ;
	403	}
	404	}
	405
	406	return err == noErr ;
	407	}
	408	#endif
	409
	410	// Check whether this window wants to process messages, e.g. Stop button
	411	// in long calculations.
	412	bool wxCheckForInterrupt(wxWindow *wnd)
	413	{
	414	// TODO
	415	return FALSE;
	416	}
	417
	418	void wxGetMousePosition( int* x, int* y )
	419	{
	420	Point pt ;
	421
	422	GetMouse( &pt ) ;
	423	LocalToGlobal( &pt ) ;
	424	*x = pt.h ;
	425	*y = pt.v ;
	426	};
	427
	428	// Return TRUE if we have a colour display
	429	bool wxColourDisplay()
	430	{
	431	return TRUE;
	432	}
	433
	434	// Returns depth of screen
	435	int wxDisplayDepth()
	436	{
	437	Rect globRect ;
	438	SetRect(&globRect, -32760, -32760, 32760, 32760);
	439	GDHandle theMaxDevice;
	440
	441	int theDepth = 8;
	442	theMaxDevice = GetMaxDevice(&globRect);
	443	if (theMaxDevice != nil)
	444	theDepth = ((theMaxDevice).gdPMap).pixelSize;
	445
	446	return theDepth ;
	447	}
	448
	449	// Get size of display
	450	void wxDisplaySize(int width, int height)
	451	{
	452	BitMap screenBits;
	453	GetQDGlobalsScreenBits( &screenBits );
	454
	455	*width = screenBits.bounds.right - screenBits.bounds.left ;
	456	*height = screenBits.bounds.bottom - screenBits.bounds.top ;
	457	#if TARGET_CARBON
	458	SInt16 mheight ;
	459	GetThemeMenuBarHeight( &mheight ) ;
	460	*height -= mheight ;
	461	#else
	462	*height -= LMGetMBarHeight() ;
	463	#endif
	464	}
	465
	466	void wxDisplaySizeMM(int width, int height)
	467	{
	468	wxDisplaySize(width, height);
	469	}
	470
	471	void wxClientDisplayRect(int x, int y, int width, int height)
	472	{
	473	// This is supposed to return desktop dimensions minus any window
	474	// manager panels, menus, taskbars, etc. If there is a way to do that
	475	// for this platform please fix this function, otherwise it defaults
	476	// to the entire desktop.
	477	if (x) *x = 0;
	478	if (y) *y = 0;
	479	wxDisplaySize(width, height);
	480	}
	481
	482	wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
	483	{
	484	return wxGenericFindWindowAtPoint(pt);
	485	}
	486
	487	wxString wxGetOsDescription()
	488	{
	489	#ifdef WXWIN_OS_DESCRIPTION
	490	// use configure generated description if available
	491	return wxString("MacOS (") + WXWIN_OS_DESCRIPTION + wxString(")");
	492	#else
	493	return "MacOS" ; //TODO:define further
	494	#endif
	495	}
	496