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New wxDataObject, DnD and Clipboard code

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A few more minor fixes


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1194 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
1998-12-14 16:13:49 +00:00
parent 450cab2dff
commit 8b53e5a226
21 changed files with 1347 additions and 666 deletions
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80
include/wx/gtk/dnd.h
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@@ -18,6 +18,7 @@
#include "wx/defs.h"
#include "wx/object.h"
#include "wx/string.h"
#include "wx/dataobj.h"
#include "wx/cursor.h"
//-------------------------------------------------------------------------
@@ -36,91 +37,12 @@
class wxWindow;
class wxDataObject;
class wxTextDataObject;
class wxFileDataObject;
class wxDropTarget;
class wxTextDropTarget;
class wxFileDropTarget;
class wxDropSource;
//-------------------------------------------------------------------------
// wxDataObject
//-------------------------------------------------------------------------
class wxDataObject: public wxObject
{
public:
wxDataObject() {};
~wxDataObject() {};
virtual wxDataFormat GetPreferredFormat() const = 0;
virtual bool IsSupportedFormat( wxDataFormat format ) const = 0;
virtual size_t GetDataSize() const = 0;
virtual void GetDataHere( void *data ) const = 0;
};
// ----------------------------------------------------------------------------
// wxTextDataObject is a specialization of wxDataObject for text data
// ----------------------------------------------------------------------------
class wxTextDataObject : public wxDataObject
{
public:
wxTextDataObject() { }
wxTextDataObject(const wxString& strText) : m_strText(strText) { }
void Init(const wxString& strText) { m_strText = strText; }
virtual wxDataFormat GetPreferredFormat() const
{ return wxDF_TEXT; }
virtual bool IsSupportedFormat(wxDataFormat format) const
{ return format == wxDF_TEXT; }
virtual size_t GetDataSize() const
{ return m_strText.Len() + 1; } // +1 for trailing '\0'
virtual void GetDataHere( void *data ) const
{ memcpy(data, m_strText.c_str(), GetDataSize()); }
private:
wxString m_strText;
};
// ----------------------------------------------------------------------------
// wxFileDataObject is a specialization of wxDataObject for file names
// ----------------------------------------------------------------------------
class wxFileDataObject : public wxDataObject
{
public:
wxFileDataObject(void) { }
void AddFile( const wxString &file )
{ m_files += file; m_files += '\0'; }
virtual wxDataFormat GetPreferredFormat() const
{ return wxDF_FILENAME; }
virtual bool IsSupportedFormat( wxDataFormat format ) const
{ return format == wxDF_FILENAME; }
virtual size_t GetDataSize() const
{ return m_files.Len(); } // no trailing '\0'
virtual void GetDataHere( void *data ) const
{ memcpy(data, m_files.c_str(), GetDataSize()); }
private:
wxString m_files;
};
//-------------------------------------------------------------------------
// wxDropTarget
//-------------------------------------------------------------------------