*** empty log message ***

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4126 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
David Webster
1999-10-22 04:37:39 +00:00
parent 2e1a688e3e
commit 6dddc146fb
11 changed files with 707 additions and 296 deletions

View File

@@ -65,6 +65,9 @@ public:
// 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 );

View File

@@ -1,5 +1,5 @@
///////////////////////////////////////////////////////////////////////////////
// Name: gtk/dataform.h
// Name: os2/dataform.h
// Purpose: declaration of the wxDataFormat class
// Author: David Webster (lifted from dnd.h)
// Modified by:

32
include/wx/os2/dataobj.h Normal file
View File

@@ -0,0 +1,32 @@
///////////////////////////////////////////////////////////////////////////////
// Name: os2/dataobj.h
// Purpose: declaration of the wxDataObject
// Author: David Webster (adapted from Robert Roebling's gtk port)
// Modified by:
// Created: 10/21/99
// RCS-ID: $Id$
// Copyright: (c) 1998, 1999 Vadim Zeitlin, Robert Roebling
// Licence: wxWindows license
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_GTK_DATAOBJ_H_
#define _WX_GTK_DATAOBJ_H_
#ifdef __GNUG__
#pragma interface "dataobj.h"
#endif
// ----------------------------------------------------------------------------
// wxDataObject is the same as wxDataObjectBase under wxGTK
// ----------------------------------------------------------------------------
class wxDataObject : public wxDataObjectBase
{
public:
wxDataObject();
virtual bool IsSupportedFormat( const wxDataFormat& format, Direction dir = Get ) const;
};
#endif // _WX_GTK_DATAOBJ_H_

90
include/wx/os2/dataobj2.h Normal file
View File

@@ -0,0 +1,90 @@
///////////////////////////////////////////////////////////////////////////////
// Name: os2/dataobj2.h
// Purpose: declaration of standard wxDataObjectSimple-derived classes
// Author: David Webster (adapted from Robert Roebling's gtk port
// Modified by:
// Created: 10/21/99
// RCS-ID: $Id$
// Copyright: (c) 1998, 1999 Vadim Zeitlin, Robert Roebling
// Licence: wxWindows license
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_GTK_DATAOBJ2_H_
#define _WX_GTK_DATAOBJ2_H_
#ifdef __GNUG__
#pragma interface "dataobj.h"
#endif
// ----------------------------------------------------------------------------
// 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& rFormat) const
{ return(wxDataObjectSimple::GetDataSize(rFormat)); }
bool GetDataHere(const wxDataFormat& rFormat, void* pBuf) const
{ return(wxDataObjectSimple::GetDataHere(rFormat, pBuf)); }
bool SetData(const wxDataFormat& rFormat, size_t nLen, const void* pBuf)
{ return(wxDataObjectSimple::SetData(rFormat, 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& rFormat) const
{ return(wxDataObjectSimple::GetDataSize(rFormat)); }
bool GetDataHere(const wxDataFormat& rFormat, void* pBuf) const
{ return(wxDataObjectSimple::GetDataHere(rFormat, pBuf)); }
bool SetData(const wxDataFormat& rFormat, size_t nLen, const void* pBuf)
{ return(wxDataObjectSimple::SetData(rFormat, nLen, pBuf)); }
};
#endif // _WX_GTK_DATAOBJ2_H_

View File

@@ -1,257 +1,126 @@
///////////////////////////////////////////////////////////////////////////////
// Name: dnd.h
// Purpose: Declaration of the wxDropTarget, wxDropSource class etc.
// Author: AUTHOR
// Purpose: declaration of the wxDropTarget class
// Author: David Webster
// Modified by:
// Created: 10/21/99
// RCS-ID: $Id$
// Copyright: (c) 1998 AUTHOR
// Licence: wxWindows licence
// Copyright: (c) 1999 David Webster
// Licence: wxWindows license
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_DND_H_
#define _WX_DND_H_
#ifndef __OS2DNDH__
#define __OS2DNDH__
#ifdef __GNUG__
#pragma interface "dnd.h"
#pragma interface
#endif
#include "wx/defs.h"
#include "wx/object.h"
#include "wx/string.h"
#include "wx/cursor.h"
#if !wxUSE_DRAG_AND_DROP
#error "You should #define wxUSE_DRAG_AND_DROP to 1 to compile this file!"
#endif //WX_DRAG_DROP
//-------------------------------------------------------------------------
// classes
// wxDropSource
//-------------------------------------------------------------------------
class WXDLLEXPORT wxWindow;
class WXDLLEXPORT wxDataObject;
class WXDLLEXPORT wxTextDataObject;
class WXDLLEXPORT wxFileDataObject;
class WXDLLEXPORT wxDropTarget;
class WXDLLEXPORT wxTextDropTarget;
class WXDLLEXPORT wxFileDropTarget;
class WXDLLEXPORT wxDropSource;
//-------------------------------------------------------------------------
// wxDataBroker (internal)
//-------------------------------------------------------------------------
class wxDataBroker : public wxObject
{
DECLARE_CLASS( wxDataBroker )
public:
/* constructor */
wxDataBroker();
/* add data object */
void Add( wxDataObject *dataObject, bool preferred = FALSE );
private:
/* OLE implementation, the methods don't need to be overridden */
/* get number of supported formats */
virtual size_t GetFormatCount() const;
/* return nth supported format */
virtual wxDataFormat &GetNthFormat( size_t nth ) const;
/* return preferrd/best supported format */
virtual wxDataFormatId GetPreferredFormat() const;
/* search through m_dataObjects, return TRUE if found */
virtual bool IsSupportedFormat( wxDataFormat &format ) const;
/* search through m_dataObjects and call child's GetSize() */
virtual size_t GetSize( wxDataFormat& format ) const;
/* search through m_dataObjects and call child's WriteData(dest) */
virtual void WriteData( wxDataFormat& format, void *dest ) const;
/* implementation */
public:
wxList m_dataObjects;
size_t m_preferred;
};
//-------------------------------------------------------------------------
// wxDataObject
//-------------------------------------------------------------------------
class WXDLLEXPORT wxDataObject: public wxDataObjectBase
class WXDLLEXPORT wxDropSource: public wxDropSourceBase
{
public:
// all data formats (values are the same as in windows.h, do not change!)
enum StdFormat
{
Invalid,
Text,
Bitmap,
MetafilePict,
Sylk,
Dif,
Tiff,
OemText,
Dib,
Palette,
Pendata,
Riff,
Wave,
UnicodeText,
EnhMetafile,
Hdrop,
Locale,
Max
};
/* constructor. set data later with SetData() */
wxDropSource( wxWindow* pWin
,const wxIcon& rGo = wxNullIcon
,const wxIcon& rStop = wxNullIcon
);
// function to return symbolic name of clipboard format (debug messages)
static const char *GetFormatName(wxDataFormat format);
/* constructor for setting one data object */
wxDropSource( wxDataObject& rData,
wxWindow* pWin,
const wxIcon& rGo = wxNullIcon,
const wxIcon& rStop = wxNullIcon
);
virtual ~wxDropSource();
// ctor & dtor
wxDataObject() {};
~wxDataObject() {};
/* start drag action */
virtual wxDragResult DoDragDrop(bool bAllowMove = FALSE);
// pure virtuals to override
// get the best suited format for our data
virtual wxDataFormat GetPreferredFormat() const = 0;
// decide if we support this format (should be one of values of
// StdFormat enumerations or a user-defined format)
virtual bool IsSupportedFormat(wxDataFormat format) const = 0;
// get the (total) size of data
virtual size_t GetDataSize() const = 0;
// copy raw data to provided pointer
virtual bool GetDataHere(void *pBuf) const = 0;
protected:
void Init(void);
bool m_bLazyDrag;
DRAGIMAGE* m_pDragImage;
DRAGINFO* m_pDragInfo;
DRAGTRANSFER* m_pDragTransfer;
};
// ----------------------------------------------------------------------------
// wxFileDataObject is a specialization of wxDataObject for file names
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxFileDataObject : public wxDataObject
{
public:
wxFileDataObject(void) { }
void AddFile( const wxString &file )
{ m_files += file; m_files += ";"; }
// implement base class pure virtuals
virtual wxDataFormat GetPreferredFormat() const
{ return wxDF_FILENAME; }
virtual bool IsSupportedFormat(wxDataFormat format) const
{ return format == (unsigned short)wxDF_FILENAME; }
virtual size_t GetDataSize() const
{ return m_files.Len() + 1; } // +1 for trailing '\0'of course
virtual bool GetDataHere(void *pBuf) const
{ memcpy(pBuf, m_files.c_str(), GetDataSize()); }
private:
wxString m_files;
};
//-------------------------------------------------------------------------
// wxDropTarget
//-------------------------------------------------------------------------
class WXDLLEXPORT wxDropTarget: public wxObject
class WXDLLEXPORT wxDropTarget: public wxDropTargetBase
{
public:
public:
wxDropTarget(wxDataObject *dataObject = (wxDataObject*)NULL);
virtual ~wxDropTarget();
wxDropTarget();
~wxDropTarget();
void Register(WXHWND hwnd);
void Revoke(WXHWND hwnd);
virtual void OnEnter() { }
virtual void OnLeave() { }
virtual bool OnDrop( long x, long y, const void *pData ) = 0;
virtual wxDragResult OnDragOver(wxCoord x, wxCoord y, wxDragResult def);
virtual bool OnDrop(wxCoord x, wxCoord y);
virtual bool OnData(wxCoord x, wxCoord y);
virtual bool GetData();
// protected:
// implementation
protected:
virtual bool IsAcceptable(DRAGINFO* pInfo);
friend wxWindow;
// Override these to indicate what kind of data you support:
virtual size_t GetFormatCount() const = 0;
virtual wxDataFormat GetFormat(size_t n) const = 0;
DRAGINFO* m_pDragInfo;
DRAGTRANSFER* m_pDragTransfer;
};
//-------------------------------------------------------------------------
// wxTextDropTarget
//-------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// A simple wxDropTarget derived class for text data: you only need to
// override OnDropText() to get something working
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxTextDropTarget: public wxDropTarget
class WXDLLEXPORT wxTextDropTarget : public wxDropTarget
{
public:
public:
wxTextDropTarget();
virtual ~wxTextDropTarget();
wxTextDropTarget() {};
virtual bool OnDrop( long x, long y, const void *pData );
virtual bool OnDropText( long x, long y, const char *psz );
virtual bool OnDropText( wxCoord x
,wxCoord y
,const wxString& rText
) = 0;
protected:
virtual size_t GetFormatCount() const;
virtual wxDataFormat GetFormat(size_t n) const;
virtual bool OnData( wxCoord x
,wxCoord y
);
};
// ----------------------------------------------------------------------------
// A drop target which accepts files (dragged from File Manager or Explorer)
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxFileDropTarget: public wxDropTarget
class WXDLLEXPORT wxFileDropTarget : public wxDropTarget
{
public:
public:
wxFileDropTarget();
virtual ~wxFileDropTarget();
wxFileDropTarget() {};
// parameters are the number of files and the array of file names
virtual bool OnDropFiles( wxCoord x
,wxCoord y
,const wxArrayString& rFilenames
) = 0;
virtual bool OnDrop(long x, long y, const void *pData);
virtual bool OnDropFiles( long x, long y,
size_t nFiles, const char * const aszFiles[]);
protected:
virtual size_t GetFormatCount() const;
virtual wxDataFormat GetFormat(size_t n) const;
virtual bool OnData( wxCoord x
,wxCoord y
);
};
//-------------------------------------------------------------------------
// wxDropSource
//-------------------------------------------------------------------------
enum wxDragResult
{
wxDragError, // error prevented the d&d operation from completing
wxDragNone, // drag target didn't accept the data
wxDragCopy, // the data was successfully copied
wxDragMove, // the data was successfully moved
wxDragCancel // the operation was cancelled by user (not an error)
};
class WXDLLEXPORT wxDropSource: public wxObject
{
public:
wxDropSource( wxWindow *win );
wxDropSource( wxDataObject &data, wxWindow *win );
~wxDropSource(void);
void SetData( wxDataObject &data );
wxDragResult DoDragDrop( bool bAllowMove = FALSE );
virtual bool GiveFeedback( wxDragResult WXUNUSED(effect), bool WXUNUSED(bScrolling) ) { return TRUE; };
protected:
wxDataObject *m_data;
};
#endif
//_WX_DND_H_
#endif //__OS2DNDH__