Added wxCountingStream for measuring the size of streamed data
Added wxBitmapObject for putting it on the clipboard git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3439 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
@@ -37,8 +37,6 @@ class wxFileDataObject;
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class wxDataFormat : public wxObject
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{
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DECLARE_CLASS( wxDataFormat )
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public:
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wxDataFormat();
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wxDataFormat( wxDataFormatId type );
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@@ -73,6 +71,11 @@ private:
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wxString m_id;
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bool m_hasAtom;
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GdkAtom m_atom;
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void PrepareFormats();
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private:
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DECLARE_CLASS( wxDataFormat )
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};
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//-------------------------------------------------------------------------
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@@ -81,44 +84,41 @@ private:
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class wxDataBroker : public wxObject
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{
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DECLARE_CLASS( wxDataBroker )
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public:
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/* constructor */
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wxDataBroker();
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/* constructor */
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wxDataBroker();
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/* add data object */
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void Add( wxDataObject *dataObject, bool preferred = FALSE );
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/* add data object */
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void Add( wxDataObject *dataObject, bool preferred = FALSE );
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private:
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/* OLE implementation, the methods don't need to be overridden */
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/* OLE implementation, the methods don't need to be overridden */
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/* get number of supported formats */
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virtual size_t GetFormatCount() const;
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/* get number of supported formats */
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virtual size_t GetFormatCount() const;
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/* return nth supported format */
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virtual wxDataFormat &GetNthFormat( size_t nth ) const;
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/* return nth supported format */
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virtual wxDataFormat &GetNthFormat( size_t nth ) const;
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/* return preferrd/best supported format */
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virtual wxDataFormatId GetPreferredFormat() const;
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/* return preferrd/best supported format */
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virtual wxDataFormatId GetPreferredFormat() const;
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/* search through m_dataObjects, return TRUE if found */
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virtual bool IsSupportedFormat( wxDataFormat &format ) const;
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/* search through m_dataObjects, return TRUE if found */
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virtual bool IsSupportedFormat( wxDataFormat &format ) const;
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/* search through m_dataObjects and call child's GetSize() */
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virtual size_t GetSize( wxDataFormat& format ) const;
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/* search through m_dataObjects and call child's GetSize() */
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virtual size_t GetSize( wxDataFormat& format ) const;
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/* search through m_dataObjects and call child's WriteData(dest) */
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virtual void WriteData( wxDataFormat& format, void *dest ) const;
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/* implementation */
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/* search through m_dataObjects and call child's WriteData(dest) */
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virtual void WriteData( wxDataFormat& format, void *dest ) const;
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public:
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wxList m_dataObjects;
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size_t m_preferred;
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/* implementation */
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wxList m_dataObjects;
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size_t m_preferred;
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private:
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DECLARE_CLASS( wxDataBroker )
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};
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//----------------------------------------------------------------------------
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@@ -127,31 +127,31 @@ public:
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class wxDataObject : public wxObject
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{
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DECLARE_DYNAMIC_CLASS( wxDataObject )
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public:
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/* constructor */
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wxDataObject();
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/* destructor */
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~wxDataObject();
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/* write data to dest */
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virtual void WriteData( void *dest ) const = 0;
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/* get size of data */
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virtual size_t GetSize() const = 0;
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public:
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/* implementation */
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wxDataFormat m_format;
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wxDataFormat &GetFormat();
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/* constructor */
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wxDataObject();
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wxDataFormatId GetFormatType() const;
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wxString GetFormatId() const;
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GdkAtom GetFormatAtom() const;
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/* destructor */
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~wxDataObject();
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/* write data to dest */
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virtual void WriteData( void *dest ) const = 0;
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/* get size of data */
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virtual size_t GetSize() const = 0;
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/* implementation */
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wxDataFormat &GetFormat();
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wxDataFormatId GetFormatType() const;
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wxString GetFormatId() const;
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GdkAtom GetFormatAtom() const;
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wxDataFormat m_format;
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private:
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DECLARE_DYNAMIC_CLASS( wxDataObject )
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};
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//----------------------------------------------------------------------------
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@@ -160,37 +160,37 @@ public:
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class wxTextDataObject : public wxDataObject
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{
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DECLARE_DYNAMIC_CLASS( wxTextDataObject )
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public:
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/* default constructor. call SetText() later or override
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WriteData() and GetSize() for working on-demand */
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wxTextDataObject();
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/* constructor */
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wxTextDataObject( const wxString& data );
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/* set current text data */
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void SetText( const wxString& data );
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/* get current text data */
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wxString GetText() const;
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/* by default calls WriteString() with string set by constructor or
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by SetText(). can be overridden for working on-demand */
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virtual void WriteData( void *dest ) const;
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/* by default, returns length of string as set by constructor or
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by SetText(). can be overridden for working on-demand */
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virtual size_t GetSize() const;
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/* write string to dest */
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void WriteString( const wxString &str, void *dest ) const;
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public:
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/* implementation */
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wxString m_data;
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/* default constructor. call SetText() later or override
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WriteData() and GetSize() for working on-demand */
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wxTextDataObject();
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/* constructor */
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wxTextDataObject( const wxString& data );
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/* set current text data */
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void SetText( const wxString& data );
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/* get current text data */
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wxString GetText() const;
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/* by default calls WriteString() with string set by constructor or
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by SetText(). can be overridden for working on-demand */
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virtual void WriteData( void *dest ) const;
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/* by default, returns length of string as set by constructor or
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by SetText(). can be overridden for working on-demand */
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virtual size_t GetSize() const;
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/* write string to dest */
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void WriteString( const wxString &str, void *dest ) const;
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/* implementation */
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wxString m_data;
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private:
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DECLARE_DYNAMIC_CLASS( wxTextDataObject )
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};
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//----------------------------------------------------------------------------
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@@ -199,29 +199,29 @@ public:
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class wxFileDataObject : public wxDataObject
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{
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DECLARE_DYNAMIC_CLASS( wxFileDataObject )
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public:
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/* default constructor */
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wxFileDataObject();
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/* add file name to list */
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void AddFile( const wxString &file );
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/* get all filename as one string. each file name is 0 terminated,
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the list is double zero terminated */
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wxString GetFiles() const;
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/* write list of filenames */
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virtual void WriteData( void *dest ) const;
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/* return length of list of filenames */
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virtual size_t GetSize() const;
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public:
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/* default constructor */
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wxFileDataObject();
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/* add file name to list */
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void AddFile( const wxString &file );
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/* get all filename as one string. each file name is 0 terminated,
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the list is double zero terminated */
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wxString GetFiles() const;
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/* write list of filenames */
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virtual void WriteData( void *dest ) const;
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/* return length of list of filenames */
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virtual size_t GetSize() const;
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/* implementation */
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wxString m_files;
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/* implementation */
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wxString m_files;
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private:
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DECLARE_DYNAMIC_CLASS( wxFileDataObject )
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};
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//----------------------------------------------------------------------------
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@@ -230,27 +230,32 @@ public:
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class wxBitmapDataObject : public wxDataObject
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{
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DECLARE_DYNAMIC_CLASS( wxBitmapDataObject )
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public:
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/* see wxTextDataObject for explanation */
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wxBitmapDataObject();
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wxBitmapDataObject( const wxBitmap& bitmap );
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~wxBitmapDataObject();
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/* see wxTextDataObject for explanation */
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void SetBitmap( const wxBitmap &bitmap );
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wxBitmap GetBitmap() const;
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wxBitmapDataObject();
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wxBitmapDataObject( const wxBitmap& bitmap );
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virtual void WriteData( void *dest ) const;
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virtual size_t GetSize() const;
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void *GetData() const { return (void*)m_pngData; }
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void SetBitmap( const wxBitmap &bitmap );
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wxBitmap GetBitmap() const;
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virtual void WriteData( void *dest ) const;
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virtual size_t GetSize() const;
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void WriteBitmap( const wxBitmap &bitmap, void *dest ) const;
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// implementation
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wxBitmap m_bitmap;
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void WriteBitmap( const wxBitmap &bitmap, void *dest ) const;
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void SetPngData( const char *pngData, size_t pngSize );
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private:
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wxBitmap m_bitmap;
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size_t m_pngSize;
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char *m_pngData;
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void DoConvertToPng();
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private:
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DECLARE_DYNAMIC_CLASS( wxBitmapDataObject );
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};
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#endif
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