projects / wxWidgets.git / blame
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| e1ee679c VZ |
1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: msw/ole/dataform.h | |
| 3 | // Purpose: declaration of the wxDataFormat class | |
| 4 | // Author: Vadim Zeitlin | |
| 5 | // Modified by: | |
| 6 | // Created: 19.10.99 (extracted from msw/ole/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_MSW_OLE_DATAFORM_H | |
| 13 | #define _WX_MSW_OLE_DATAFORM_H | |
| 14 | ||
| 15 | // ---------------------------------------------------------------------------- | |
| 16 | // wxDataFormat identifies the single format of data | |
| 17 | // ---------------------------------------------------------------------------- | |
| 18 | ||
| 19 | class WXDLLEXPORT wxDataFormat | |
| 20 | { | |
| 21 | public: | |
| 3922ecc9 VZ |
22 | // the clipboard formats under Win32 are WORDs |
| 23 | typedef unsigned short NativeFormat; | |
| e1ee679c VZ |
24 | |
| 25 | wxDataFormat(NativeFormat format = wxDF_INVALID) { m_format = format; } | |
| 26 | wxDataFormat(const wxChar *format) { SetId(format); } | |
| 27 | ||
| 28 | wxDataFormat& operator=(NativeFormat format) | |
| 29 | { m_format = format; return *this; } | |
| 30 | wxDataFormat& operator=(const wxDataFormat& format) | |
| 31 | { m_format = format.m_format; return *this; } | |
| 32 | ||
| 33 | // default copy ctor/assignment operators ok | |
| 34 | ||
| 35 | // comparison (must have both versions) | |
| 36 | bool operator==(wxDataFormatId format) const | |
| 37 | { return m_format == (NativeFormat)format; } | |
| 38 | bool operator!=(wxDataFormatId format) const | |
| 39 | { return m_format != (NativeFormat)format; } | |
| 40 | bool operator==(const wxDataFormat& format) const | |
| 41 | { return m_format == format.m_format; } | |
| 42 | bool operator!=(const wxDataFormat& format) const | |
| 43 | { return m_format != format.m_format; } | |
| 44 | ||
| 45 | // explicit and implicit conversions to NativeFormat which is one of | |
| 46 | // standard data types (implicit conversion is useful for preserving the | |
| 47 | // compatibility with old code) | |
| 48 | NativeFormat GetFormatId() const { return m_format; } | |
| 49 | operator NativeFormat() const { return m_format; } | |
| 50 | ||
| 3922ecc9 VZ |
51 | // this works with standard as well as custom ids |
| 52 | void SetType(NativeFormat format) { m_format = format; } | |
| 53 | NativeFormat GetType() const { return m_format; } | |
| e1ee679c VZ |
54 | |
| 55 | // string ids are used for custom types - this SetId() must be used for | |
| 56 | // application-specific formats | |
| 57 | wxString GetId() const; | |
| 58 | void SetId(const wxChar *format); | |
| 59 | ||
| e1ee679c VZ |
60 | // returns TRUE if the format is one of those defined in wxDataFormatId |
| 61 | bool IsStandard() const { return m_format > 0 && m_format < wxDF_MAX; } | |
| 62 | ||
| 3922ecc9 | 63 | private: |
| e1ee679c VZ |
64 | NativeFormat m_format; |
| 65 | }; | |
| 66 | ||
| 67 | #endif // _WX_MSW_OLE_DATAFORM_H | |
| 68 |