Added wxClipboard and wxDataObject (and friends) declarations and stubs

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22351 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/cocoa/clipbrd.h

@@ -0,0 +1,52 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/cocoa/clipboard.h
+// Purpose:     wxClipboard
+// Author:      David Elliott <dfe@cox.net>
+// Modified by:
+// Created:     2003/07/23
+// RCS-ID:      $Id$
+// Copyright:   (c) 2003 David Elliott
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef __WX_COCOA_CLIPBRD_H__
+#define __WX_COCOA_CLIPBRD_H__
+
+#include "wx/dataobj.h"
+
+//=========================================================================
+// wxClipboard
+//=========================================================================
+class wxClipboard : public wxClipboardBase
+{
+    DECLARE_DYNAMIC_CLASS(wxClipboard)
+public:
+    wxClipboard();
+    ~wxClipboard();
+
+    // open the clipboard before SetData() and GetData()
+    virtual bool Open();
+
+    // close the clipboard after SetData() and GetData()
+    virtual void Close();
+
+    // query whether the clipboard is opened
+    virtual bool IsOpened() const;
+
+    // set the clipboard data. all other formats will be deleted.
+    virtual bool SetData( wxDataObject *data );
+
+    // add to the clipboard data.
+    virtual bool AddData( wxDataObject *data );
+
+    // ask if data in correct format is available
+    virtual bool IsSupported( const wxDataFormat& format );
+
+    // fill data with data on the clipboard (if available)
+    virtual bool GetData( wxDataObject& data );
+
+    // clears wxTheClipboard and the system's clipboard if possible
+    virtual void Clear();
+};
+
+#endif //__WX_COCOA_CLIPBRD_H__

include/wx/cocoa/dataform.h

@@ -0,0 +1,51 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/cocoa/dataform.h
+// Purpose:     declaration of the wxDataFormat class
+// Author:      David Elliott <dfe@cox.net>
+// Modified by:
+// Created:     2003/07/23
+// RCS-ID:      $Id$
+// Copyright:   (c) 2003 David Elliott
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef __WX_COCOA_DATAFORM_H__
+#define __WX_COCOA_DATAFORM_H__
+
+class wxDataFormat
+{
+public:
+    wxDataFormat(unsigned int uFormat = wxDF_INVALID) { m_uFormat = uFormat; }
+    wxDataFormat(const wxChar* zFormat) { SetId(zFormat); }
+
+    wxDataFormat& operator=(unsigned int uFormat) { m_uFormat = uFormat; return(*this); }
+    wxDataFormat& operator=(const wxDataFormat& rFormat) {m_uFormat = rFormat.m_uFormat; return(*this); }
+
+    //
+    // Comparison (must have both versions)
+    //
+    bool operator==(wxDataFormatId eFormat) const { return (m_uFormat == (unsigned int)eFormat); }
+    bool operator!=(wxDataFormatId eFormat) const { return (m_uFormat != (unsigned int)eFormat); }
+    bool operator==(const wxDataFormat& rFormat) const { return (m_uFormat == rFormat.m_uFormat); }
+    bool operator!=(const wxDataFormat& rFormat) const { return (m_uFormat != rFormat.m_uFormat); }
+         operator unsigned int(void) const { return m_uFormat; }
+
+    unsigned int GetFormatId(void) const { return (unsigned int)m_uFormat; }
+    unsigned int GetType(void) const { return (unsigned int)m_uFormat; }
+
+    bool IsStandard(void) const;
+
+    void SetType(unsigned int uType){ m_uFormat = uType; }
+
+    //
+    // String ids are used for custom types - this SetId() must be used for
+    // application-specific formats
+    //
+    wxString GetId(void) const;
+    void     SetId(const wxChar* pId);
+
+private:
+    unsigned int                    m_uFormat;
+}; // end of CLASS wxDataFormat
+
+#endif // __WX_COCOA_DATAFORM_H__

include/wx/cocoa/dataobj.h

@@ -0,0 +1,24 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/cocoa/dataobj.h
+// Purpose:     declaration of the wxDataObject
+// Author:      David Elliott <dfe@cox.net>
+// Modified by:
+// Created:     2003/07/23
+// RCS-ID:      $Id$
+// Copyright:   (c) 2003 David Elliott
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef __WX_COCOA_DATAOBJ_H__
+#define __WX_COCOA_DATAOBJ_H__
+
+class wxDataObject : public wxDataObjectBase
+{
+public:
+    wxDataObject();
+    virtual ~wxDataObject();
+    virtual bool IsSupportedFormat(const wxDataFormat& format,
+        Direction dir = Get) const;
+};
+
+#endif // __WX_COCOA_DATAOBJ_H__

include/wx/cocoa/dataobj2.h

@@ -0,0 +1,84 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/cocoa/dataobj2.h
+// Purpose:     declaration of standard wxDataObjectSimple-derived classes
+// Author:      David Elliott <dfe@cox.net>
+// Modified by:
+// Created:     2003/07/23
+// RCS-ID:      $Id$
+// Copyright:   (c) 2003 David Elliott
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef __WX_COCOA_DATAOBJ2_H__
+#define __WX_COCOA_DATAOBJ2_H__
+
+//=========================================================================
+// wxBitmapDataObject is a specialization of wxDataObject for bitmaps
+//=========================================================================
+class wxBitmapDataObject : public wxBitmapDataObjectBase
+{
+public:
+    // ctors
+    wxBitmapDataObject();
+    wxBitmapDataObject(const wxBitmap& bitmap);
+
+    // destr
+    ~wxBitmapDataObject();
+
+    // override base class virtual to update PNG data too
+    virtual void SetBitmap(const wxBitmap& bitmap);
+
+    // implement base class pure virtuals
+    // ----------------------------------
+
+    virtual size_t GetDataSize() const { return m_pngSize; }
+    virtual bool GetDataHere(void *buf) const;
+    virtual bool SetData(size_t len, const void *buf);
+
+protected:
+    void Init() { m_pngData = (void *)NULL; m_pngSize = 0; }
+    void Clear() { free(m_pngData); }
+    void ClearAll() { Clear(); Init(); }
+
+    size_t      m_pngSize;
+    void       *m_pngData;
+
+    void DoConvertToPng();
+
+private:
+    // virtual function hiding supression
+    size_t GetDataSize(const wxDataFormat& format) const
+        { return(wxDataObjectSimple::GetDataSize(format)); }
+    bool GetDataHere(const wxDataFormat& format, void* pBuf) const
+        { return(wxDataObjectSimple::GetDataHere(format, pBuf)); }
+    bool SetData(const wxDataFormat& format, size_t nLen, const void* pBuf)
+        { return(wxDataObjectSimple::SetData(format, nLen, pBuf)); }
+};
+
+//=========================================================================
+// wxFileDataObject is a specialization of wxDataObject for file names
+//=========================================================================
+
+class wxFileDataObject : public wxFileDataObjectBase
+{
+public:
+    // implement base class pure virtuals
+    // ----------------------------------
+
+    void AddFile( const wxString &filename );
+
+    virtual size_t GetDataSize() const;
+    virtual bool GetDataHere(void *buf) const;
+    virtual bool SetData(size_t len, const void *buf);
+
+private:
+    // virtual function hiding supression
+    size_t GetDataSize(const wxDataFormat& format) const
+        { return(wxDataObjectSimple::GetDataSize(format)); }
+    bool GetDataHere(const wxDataFormat& format, void* pBuf) const
+        { return(wxDataObjectSimple::GetDataHere(format, pBuf)); }
+    bool SetData(const wxDataFormat& format, size_t nLen, const void* pBuf)
+        { return(wxDataObjectSimple::SetData(format, nLen, pBuf)); }
+};
+
+#endif //__WX_COCOA_DATAOBJ2_H__

src/cocoa/clipbrd.mm

@@ -0,0 +1,68 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        src/cocoa/clipbrd.mm
+// Purpose:     wxClipboard
+// Author:      David Elliott <dfe@cox.net>
+// Modified by:
+// Created:     2003/07/23
+// RCS-ID:      $Id$
+// Copyright:   (c) 2003 David Elliott
+// Licence:   	wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#include "wx/wxprec.h"
+
+#if wxUSE_CLIPBOARD
+
+#ifndef WX_PRECOMP
+#endif //WX_PRECOMP
+#include "wx/clipbrd.h"
+
+IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject)
+
+wxClipboard::wxClipboard()
+{
+}
+
+wxClipboard::~wxClipboard()
+{
+}
+
+bool wxClipboard::Open()
+{
+    return false;
+}
+
+void wxClipboard::Close()
+{
+}
+
+bool wxClipboard::IsOpened() const
+{
+    return false;
+}
+
+bool wxClipboard::SetData(wxDataObject *data)
+{
+    return false;
+}
+
+bool wxClipboard::AddData(wxDataObject *data)
+{
+    return false;
+}
+
+bool wxClipboard::IsSupported(const wxDataFormat& format)
+{
+    return false;
+}
+
+bool wxClipboard::GetData(wxDataObject& data)
+{
+    return false;
+}
+
+void wxClipboard::Clear()
+{
+}
+
+#endif //wxUSE_CLIPBOARD

src/cocoa/dataobj.mm

@@ -0,0 +1,60 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        src/cocoa/dataobj.mm
+// Purpose:     wxDataObject
+// Author:      David Elliott <dfe@cox.net>
+// Modified by:
+// Created:     2003/07/23
+// RCS-ID:      $Id$
+// Copyright:   (c) 2003 David Elliott
+// Licence:   	wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#include "wx/wxprec.h"
+
+#if wxUSE_DATAOBJ
+
+#ifndef WX_PRECOMP
+#endif //WX_PRECOMP
+#include "wx/dataobj.h"
+
+wxDataObject::wxDataObject()
+{
+}
+
+wxDataObject::~wxDataObject()
+{
+}
+
+bool wxDataObject::IsSupportedFormat(const wxDataFormat& format,
+        Direction dir) const
+{
+    return false;
+}
+
+wxBitmapDataObject::wxBitmapDataObject()
+{
+}
+
+wxBitmapDataObject::wxBitmapDataObject(const wxBitmap& bitmap)
+{
+}
+
+wxBitmapDataObject::~wxBitmapDataObject()
+{
+}
+
+void wxBitmapDataObject::SetBitmap(const wxBitmap& bitmap)
+{
+}
+
+bool wxBitmapDataObject::SetData(size_t len, const void *buf)
+{
+    return false;
+}
+
+bool wxBitmapDataObject::GetDataHere(void *buf) const
+{
+    return false;
+}
+
+#endif //wxUSE_DATAOBJ