| | 1 | /////////////////////////////////////////////////////////////////////////////// |
| | 2 | // Name: wx/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 WXDLLIMPEXP_CORE wxDataFormat |
| | 20 | { |
| | 21 | public: |
| | 22 | // the clipboard formats under Win32 are WORD's |
| | 23 | typedef unsigned short NativeFormat; |
| | 24 | |
| | 25 | wxDataFormat(NativeFormat format = wxDF_INVALID) { m_format = format; } |
| | 26 | |
| | 27 | // we need constructors from all string types as implicit conversions to |
| | 28 | // wxString don't apply when we already rely on implicit conversion of a, |
| | 29 | // for example, "char *" string to wxDataFormat, and existing code does it |
| | 30 | wxDataFormat(const wxString& format) { SetId(format); } |
| | 31 | wxDataFormat(const char *format) { SetId(format); } |
| | 32 | wxDataFormat(const wchar_t *format) { SetId(format); } |
| | 33 | wxDataFormat(const wxCStrData& format) { SetId(format); } |
| | 34 | |
| | 35 | wxDataFormat& operator=(NativeFormat format) |
| | 36 | { m_format = format; return *this; } |
| | 37 | wxDataFormat& operator=(const wxDataFormat& format) |
| | 38 | { m_format = format.m_format; return *this; } |
| | 39 | |
| | 40 | // default copy ctor/assignment operators ok |
| | 41 | |
| | 42 | // comparison (must have both versions) |
| | 43 | bool operator==(wxDataFormatId format) const |
| | 44 | { return m_format == (NativeFormat)format; } |
| | 45 | bool operator!=(wxDataFormatId format) const |
| | 46 | { return m_format != (NativeFormat)format; } |
| | 47 | bool operator==(const wxDataFormat& format) const |
| | 48 | { return m_format == format.m_format; } |
| | 49 | bool operator!=(const wxDataFormat& format) const |
| | 50 | { return m_format != format.m_format; } |
| | 51 | |
| | 52 | // explicit and implicit conversions to NativeFormat which is one of |
| | 53 | // standard data types (implicit conversion is useful for preserving the |
| | 54 | // compatibility with old code) |
| | 55 | NativeFormat GetFormatId() const { return m_format; } |
| | 56 | operator NativeFormat() const { return m_format; } |
| | 57 | |
| | 58 | // this works with standard as well as custom ids |
| | 59 | void SetType(NativeFormat format) { m_format = format; } |
| | 60 | NativeFormat GetType() const { return m_format; } |
| | 61 | |
| | 62 | // string ids are used for custom types - this SetId() must be used for |
| | 63 | // application-specific formats |
| | 64 | wxString GetId() const; |
| | 65 | void SetId(const wxString& format); |
| | 66 | |
| | 67 | // returns true if the format is one of those defined in wxDataFormatId |
| | 68 | bool IsStandard() const { return m_format > 0 && m_format < wxDF_PRIVATE; } |
| | 69 | |
| | 70 | private: |
| | 71 | NativeFormat m_format; |
| | 72 | }; |
| | 73 | |
| | 74 | #endif // _WX_MSW_OLE_DATAFORM_H |
| | 75 | |
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