private.h

Wxpython Implemented on Windows CE, Source code

/////////////////////////////////////////////////////////////////////////////
// Name:        wx/mac/carbon/private.h
// Purpose:     Private declarations: as this header is only included by
//              wxWidgets itself, it may contain identifiers which don't start
//              with "wx".
// Author:      Stefan Csomor
// Modified by:
// Created:     1998-01-01
// RCS-ID:      $Id: private.h,v 1.57 2006/05/20 05:47:37 PC Exp $
// Copyright:   (c) Stefan Csomor
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_PRIVATE_H_
#define _WX_PRIVATE_H_

#include "wx/defs.h"

#ifdef __DARWIN__
#    include <Carbon/Carbon.h>
#else
#    include <Debugging.h>
#    include <Quickdraw.h>
#    include <Appearance.h>
#    include <Folders.h>
#    include <Controls.h>
#    include <ControlDefinitions.h>
#    include <LowMem.h>
#    include <Gestalt.h>
#    include <FixMath.h>
#    include <CoreServices.h>
#endif

#if UNIVERSAL_INTERFACES_VERSION < 0x0342
    #error "please update to Apple's latest universal headers from http://developer.apple.com/sdk/"
#endif

#ifndef MAC_OS_X_VERSION_10_3
    #define MAC_OS_X_VERSION_10_3 1030
#endif

#ifndef MAC_OS_X_VERSION_10_4
    #define MAC_OS_X_VERSION_10_4 1040
#endif

#ifdef __WXMAC_CARBON__
#include "wx/mac/corefoundation/cfstring.h"
#endif

#ifndef FixedToInt
// as macro in FixMath.h for 10.3
inline Fixed    IntToFixed( int inInt )
{
    return (((SInt32) inInt) << 16);
}

inline int    FixedToInt( Fixed inFixed )
{
    return (((SInt32) inFixed) >> 16);
}
#endif

#if wxUSE_GUI

#include "wx/listbox.h"

class wxMacPortStateHelper
{
    DECLARE_NO_COPY_CLASS(wxMacPortStateHelper)

public:
    wxMacPortStateHelper( GrafPtr newport);
    wxMacPortStateHelper();
    ~wxMacPortStateHelper();

    void Setup( GrafPtr newport );
    void Clear();
    bool IsCleared() { return m_clip == NULL; }
    GrafPtr GetCurrentPort() { return m_currentPort; }

private:
    GrafPtr          m_currentPort;
    GrafPtr          m_oldPort;
    RgnHandle          m_clip;
    ThemeDrawingState m_drawingState;
    short          m_textFont;
    short          m_textSize;
    short          m_textStyle;
    short           m_textMode;
};

class WXDLLEXPORT wxMacPortSaver
{
    DECLARE_NO_COPY_CLASS(wxMacPortSaver)

public:
    wxMacPortSaver( GrafPtr port );
    ~wxMacPortSaver();
private :
    GrafPtr m_port;
};

class WXDLLEXPORT wxMacPortSetter
{
    DECLARE_NO_COPY_CLASS(wxMacPortSetter)

public:
    wxMacPortSetter( const wxDC* dc );
    ~wxMacPortSetter();
private:
    wxMacPortStateHelper m_ph;
    const wxDC* m_dc;
};

/*
 Clips to the visible region of a control within the current port
 */

class WXDLLEXPORT wxMacWindowClipper : public wxMacPortSaver
{
    DECLARE_NO_COPY_CLASS(wxMacWindowClipper)

public:
    wxMacWindowClipper( const wxWindow* win );
    ~wxMacWindowClipper();
private:
    GrafPtr   m_newPort;
    RgnHandle m_formerClip;
    RgnHandle m_newClip;
};

class WXDLLEXPORT wxMacWindowStateSaver : public wxMacWindowClipper
{
    DECLARE_NO_COPY_CLASS(wxMacWindowStateSaver)

public:
    wxMacWindowStateSaver( const wxWindow* win );
    ~wxMacWindowStateSaver();
private:
    GrafPtr   m_newPort;
    ThemeDrawingState m_themeDrawingState;
};

#if wxMAC_USE_CORE_GRAPHICS
class WXDLLEXPORT wxMacCGContextStateSaver
{
    DECLARE_NO_COPY_CLASS(wxMacCGContextStateSaver)

public:
    wxMacCGContextStateSaver( CGContextRef cg )
    {
        m_cg = cg;
        CGContextSaveGState( cg );
    }
    ~wxMacCGContextStateSaver()
    {
        CGContextRestoreGState( m_cg );
    }
private:
    CGContextRef m_cg;
};

#endif
/*
class wxMacDrawingHelper
{
    DECLARE_NO_COPY_CLASS(wxMacDrawingHelper)

public:
    wxMacDrawingHelper( wxWindowMac * theWindow , bool clientArea = false );
    ~wxMacDrawingHelper();
    bool Ok() { return m_ok; }
    void LocalToWindow( Rect *rect) { OffsetRect( rect , m_origin.h , m_origin.v ); }
    void LocalToWindow( Point *pt ) { AddPt( m_origin , pt ); }
    void LocalToWindow( RgnHandle rgn ) { OffsetRgn( rgn , m_origin.h , m_origin.v ); }
    const Point& GetOrigin() { return m_origin; }
private:
    Point     m_origin;
    GrafPtr   m_formerPort;
    GrafPtr   m_currentPort;
    PenState  m_savedPenState;
    bool      m_ok;
};
*/

// app.h
bool wxMacConvertEventToRecord( EventRef event , EventRecord *rec);

#endif // wxUSE_GUI

// filefn.h
WXDLLEXPORT wxString wxMacFSSpec2MacFilename( const FSSpec *spec );
WXDLLEXPORT void wxMacFilename2FSSpec( const wxString &path , FSSpec *spec );

// utils.h
WXDLLEXPORT wxString wxMacFindFolderNoSeparator(short vRefNum,
                                                OSType folderType,
                                                Boolean createFolder);
WXDLLEXPORT wxString wxMacFindFolder(short vRefNum,
                                     OSType folderType,
                                     Boolean createFolder);

template<typename T> EventParamType wxMacGetEventParamType() { wxFAIL_MSG( wxT("Unknown Param Type") ); return 0; }
template<> inline EventParamType wxMacGetEventParamType<RgnHandle>() { return typeQDRgnHandle; }
template<> inline EventParamType wxMacGetEventParamType<ControlRef>() { return typeControlRef; }
template<> inline EventParamType wxMacGetEventParamType<WindowRef>() { return typeWindowRef; }
template<> inline EventParamType wxMacGetEventParamType<MenuRef>() { return typeMenuRef; }
template<> inline EventParamType wxMacGetEventParamType<EventRef>() { return typeEventRef; }
template<> inline EventParamType wxMacGetEventParamType<Point>() { return typeQDPoint; }
template<> inline EventParamType wxMacGetEventParamType<Rect>() { return typeQDRectangle; }
template<> inline EventParamType wxMacGetEventParamType<Boolean>() { return typeBoolean; }
template<> inline EventParamType wxMacGetEventParamType<SInt16>() { return typeSInt16; }
template<> inline EventParamType wxMacGetEventParamType<SInt32>() { return typeSInt32; }
template<> inline EventParamType wxMacGetEventParamType<UInt32>() { return typeUInt32; }
template<> inline EventParamType wxMacGetEventParamType<RGBColor>() { return typeRGBColor; }
#if TARGET_API_MAC_OSX
template<> inline EventParamType wxMacGetEventParamType<HICommand>() { return typeHICommand; }
template<> inline EventParamType wxMacGetEventParamType<HIPoint>() { return typeHIPoint; }
template<> inline EventParamType wxMacGetEventParamType<HISize>() { return typeHISize; }
template<> inline EventParamType wxMacGetEventParamType<HIRect>() { return typeHIRect; }
template<> inline EventParamType wxMacGetEventParamType<void*>() { return typeVoidPtr; }
#endif
#if TARGET_API_MAC_OSX && ( MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2 )
template<> inline EventParamType wxMacGetEventParamType<CFDictionaryRef>() { return typeCFDictionaryRef; }
#endif
template<> inline EventParamType wxMacGetEventParamType<Collection>() { return typeCollection; }
template<> inline EventParamType wxMacGetEventParamType<CGContextRef>() { return typeCGContextRef; }
/*
 These are ambiguous
 template<> EventParamType wxMacGetEventParamType<GrafPtr>() { return typeGrafPtr; }
 template<> EventParamType wxMacGetEventParamType<OSStatus>() { return typeOSStatus; }
 template<> EventParamType wxMacGetEventParamType<CFIndex>() { return typeCFIndex; }
 template<> EventParamType wxMacGetEventParamType<GWorldPtr>() { return typeGWorldPtr; }
 */

class wxMacCarbonEvent
{

public :
    wxMacCarbonEvent()
    {
        m_eventRef = 0;
        m_release = false;
    }

    wxMacCarbonEvent( EventRef event , bool release = false )
    {
        m_eventRef = event;
        m_release = release;
    }

    wxMacCarbonEvent(UInt32 inClassID,UInt32 inKind,EventTime inWhen = 0 /*now*/,EventAttributes inAttributes=kEventAttributeNone)
    {
        m_eventRef = NULL;
        verify_noerr( MacCreateEvent( NULL , inClassID, inKind,inWhen,inAttributes,&m_eventRef) );
        m_release = true;
    }

    ~wxMacCarbonEvent()
    {
        if ( m_release )
            ReleaseEvent( m_eventRef );
    }

    OSStatus Create(UInt32 inClassID,UInt32 inKind,EventTime inWhen = 0 /*now*/,EventAttributes inAttributes=kEventAttributeNone)
    {
        verify( (m_eventRef == NULL) || m_release );
        if ( m_eventRef && m_release )
        {
            ReleaseEvent( m_eventRef );
            m_release = false;
            m_eventRef = NULL;
        }
        OSStatus err = MacCreateEvent( NULL , inClassID, inKind,inWhen,inAttributes,&m_eventRef);
        if ( err == noErr )
            m_release = true;
        return err;
    }

    OSStatus GetParameter( EventParamName inName, EventParamType inDesiredType, UInt32 inBufferSize, void * outData);

    template <typename T> OSStatus GetParameter( EventParamName inName, EventParamType type , T *data )
    {
        return GetParameter( inName, type , sizeof( T ) , data );
    }
    template <typename T> OSStatus GetParameter( EventParamName inName, T *data )
    {
        return GetParameter<T>( inName, wxMacGetEventParamType<T>() , data );
    }

    template <typename T> T GetParameter( EventParamName inName )
    {
        T value;
        verify_noerr( GetParameter<T>( inName, &value ) );
        return value;
    }
    template <typename T> T GetParameter( EventParamName inName, EventParamType inDesiredType )
    {
        T value;
        verify_noerr( GetParameter<T>( inName, inDesiredType , &value ) );
        return value;
    }

    OSStatus SetParameter( EventParamName inName, EventParamType inType, UInt32 inSize, const void * inData);
    template <typename T> OSStatus SetParameter( EventParamName inName, EventParamType inDesiredType , const T *data )
    {
        return SetParameter( inName, inDesiredType , sizeof( T ) , data );
    }
    template <typename T> OSStatus SetParameter( EventParamName inName, EventParamType inDesiredType , const T& data )
    {
        return SetParameter<T>( inName, inDesiredType , &data );
    }
    template <typename T> OSStatus SetParameter( EventParamName inName, const T *data )
    {
        return SetParameter<T>( inName, wxMacGetEventParamType<T>() , data );
    }
    template <typename T> OSStatus SetParameter( EventParamName inName, const T& data )
    {
        return SetParameter<T>( inName, wxMacGetEventParamType<T>() , &data );
    }
    UInt32 GetClass()
    {
        return ::GetEventClass( m_eventRef );
    }
    UInt32 GetKind()
    {
        return ::GetEventKind( m_eventRef );
    }
    EventTime GetTime()
    {
        return ::GetEventTime( m_eventRef );
    }
    UInt32 GetTicks()
    {
        return EventTimeToTicks( GetTime() );
    }
    OSStatus SetCurrentTime( )
    {
        return ::SetEventTime( m_eventRef , GetCurrentEventTime() );
    }
    OSStatus SetTime( EventTime when )
    {
        return ::SetEventTime( m_eventRef , when );
    }
    operator EventRef () { return m_eventRef; }

    bool IsValid() { return m_eventRef != 0; }
protected :
    EventRef m_eventRef;
    bool     m_release;
};

//
// helper class for allocating and deallocating Universal Proc Ptrs
//

template <typename procType, typename uppType , uppType (*newUPP)(procType) , void (*disposeUPP)(uppType) > class wxMacUPP
{
public :
    wxMacUPP( procType proc )
    {
        m_upp = NULL;
        m_upp = (*newUPP)( NULL );
    }
    ~wxMacUPP()
    {
        if ( m_upp )
            disposeUPP( m_upp );
    }
    operator uppType() { return m_upp; }
private :
    uppType m_upp;
};

typedef wxMacUPP<NMProcPtr,NMUPP,NewNMUPP,DisposeNMUPP> wxMacNMUPP;

template <typename refType> class wxMacCFRefHolder
{
public :
    wxMacCFRefHolder()
        : m_ref(NULL) , m_release(false)
    {
    }

    wxMacCFRefHolder( refType ref , bool release = true )
        : m_ref(ref) , m_release(release)
    {
    }

    ~wxMacCFRefHolder()
    {
        Release();
    }

    void Release()
    {
        if ( m_release && m_ref != NULL )
            CFRelease( m_ref );
        m_ref = NULL;
    }

    refType Detach()
    {
        refType val = m_ref;
        m_release = false;
        m_ref = NULL;