| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: wx/gtk1/dataform.h |
| 3 | // Purpose: declaration of the wxDataFormat class |
| 4 | // Author: Vadim Zeitlin |
| 5 | // Modified by: |
| 6 | // Created: 19.10.99 (extracted from gtk/dataobj.h) |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr> |
| 9 | // Licence: wxWindows licence |
| 10 | /////////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #ifndef _WX_GTK_DATAFORM_H |
| 13 | #define _WX_GTK_DATAFORM_H |
| 14 | |
| 15 | class WXDLLIMPEXP_CORE wxDataFormat |
| 16 | { |
| 17 | public: |
| 18 | // the clipboard formats under GDK are GdkAtoms |
| 19 | typedef GdkAtom NativeFormat; |
| 20 | |
| 21 | wxDataFormat(); |
| 22 | wxDataFormat( wxDataFormatId type ); |
| 23 | wxDataFormat( NativeFormat format ); |
| 24 | |
| 25 | // we have to provide all the overloads to allow using strings instead of |
| 26 | // data formats (as a lot of existing code does) |
| 27 | wxDataFormat( const wxString& id ) { InitFromString(id); } |
| 28 | wxDataFormat( const char *id ) { InitFromString(id); } |
| 29 | wxDataFormat( const wchar_t *id ) { InitFromString(id); } |
| 30 | wxDataFormat( const wxCStrData& id ) { InitFromString(id); } |
| 31 | |
| 32 | |
| 33 | wxDataFormat& operator=(const wxDataFormat& format) |
| 34 | { m_type = format.m_type; m_format = format.m_format; return *this; } |
| 35 | wxDataFormat& operator=(NativeFormat format) |
| 36 | { SetId(format); return *this; } |
| 37 | |
| 38 | // comparison (must have both versions) |
| 39 | bool operator==(NativeFormat format) const |
| 40 | { return m_format == (NativeFormat)format; } |
| 41 | bool operator!=(NativeFormat format) const |
| 42 | { return m_format != (NativeFormat)format; } |
| 43 | bool operator==(wxDataFormatId format) const |
| 44 | { return m_type == (wxDataFormatId)format; } |
| 45 | bool operator!=(wxDataFormatId format) const |
| 46 | { return m_type != (wxDataFormatId)format; } |
| 47 | |
| 48 | // explicit and implicit conversions to NativeFormat which is one of |
| 49 | // standard data types (implicit conversion is useful for preserving the |
| 50 | // compatibility with old code) |
| 51 | NativeFormat GetFormatId() const { return m_format; } |
| 52 | operator NativeFormat() const { return m_format; } |
| 53 | |
| 54 | void SetId( NativeFormat format ); |
| 55 | |
| 56 | // string ids are used for custom types - this SetId() must be used for |
| 57 | // application-specific formats |
| 58 | wxString GetId() const; |
| 59 | void SetId( const wxString& id ); |
| 60 | |
| 61 | // implementation |
| 62 | wxDataFormatId GetType() const; |
| 63 | void SetType( wxDataFormatId type ); |
| 64 | |
| 65 | private: |
| 66 | // common part of ctors from format name |
| 67 | void InitFromString(const wxString& id); |
| 68 | |
| 69 | wxDataFormatId m_type; |
| 70 | NativeFormat m_format; |
| 71 | |
| 72 | void PrepareFormats(); |
| 73 | }; |
| 74 | |
| 75 | #endif // _WX_GTK_DATAFORM_H |