projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| 226fa6db VZ |
1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: msw/ole/safearray.cpp | |
| 3 | // Purpose: Implementation of wxSafeArrayBase class. | |
| 4 | // Author: PB | |
| 5 | // Created: 2012-09-23 | |
| 226fa6db VZ |
6 | // Copyright: (c) 2012 wxWidgets development team |
| 7 | // Licence: wxWindows licence | |
| 8 | /////////////////////////////////////////////////////////////////////////////// | |
| 9 | ||
| 10 | // ============================================================================ | |
| 11 | // declarations | |
| 12 | // ============================================================================ | |
| 13 | ||
| 14 | // ---------------------------------------------------------------------------- | |
| 15 | // headers | |
| 16 | // ---------------------------------------------------------------------------- | |
| 17 | ||
| 18 | // for compilers that support precompilation, includes "wx.h". | |
| 19 | #include "wx/wxprec.h" | |
| 20 | ||
| 21 | #ifdef __BORLANDC__ | |
| 22 | #pragma hdrstop | |
| 23 | #endif | |
| 24 | ||
| 0555b2a0 VZ |
25 | #if wxUSE_OLE && wxUSE_VARIANT |
| 26 | ||
| 226fa6db VZ |
27 | #ifndef WX_PRECOMP |
| 28 | #include "wx/variant.h" | |
| 29 | #endif // WX_PRECOMP | |
| 30 | ||
| 31 | #include "wx/msw/ole/safearray.h" | |
| 32 | ||
| 33 | // ============================================================================ | |
| 34 | // implementation | |
| 35 | // ============================================================================ | |
| 36 | ||
| 37 | // ---------------------------------------------------------------------------- | |
| 38 | // wxSafeArrayBase | |
| 39 | // ---------------------------------------------------------------------------- | |
| 40 | ||
| 41 | void wxSafeArrayBase::Destroy() | |
| 42 | { | |
| 43 | if ( m_array ) | |
| 44 | { | |
| 45 | Unlock(); | |
| 46 | HRESULT hr = SafeArrayDestroy(m_array); | |
| 47 | if ( FAILED(hr) ) | |
| 48 | { | |
| 49 | wxLogApiError(wxS("SafeArrayDestroy()"), hr); | |
| 50 | } | |
| 51 | m_array = NULL; | |
| 52 | } | |
| 53 | } | |
| 54 | ||
| 55 | SAFEARRAY* wxSafeArrayBase::Detach() | |
| 56 | { | |
| 57 | wxCHECK_MSG( m_array, NULL, wxS("Uninitialized safe array") ); | |
| 58 | ||
| 59 | Unlock(); | |
| 60 | SAFEARRAY* array = m_array; | |
| 61 | m_array = NULL; | |
| 62 | return array; | |
| 63 | } | |
| 64 | ||
| 65 | size_t wxSafeArrayBase::GetDim() const | |
| 66 | { | |
| 67 | wxASSERT( m_array ); | |
| 68 | ||
| 69 | return SafeArrayGetDim(m_array); | |
| 70 | } | |
| 71 | ||
| 72 | bool wxSafeArrayBase::GetLBound(size_t dim, long& bound) const | |
| 73 | { | |
| 74 | wxCHECK_MSG( m_array, false, wxS("Uninitialized safe array") ); | |
| 75 | wxCHECK_MSG( dim > 0, false, wxS("Invalid dimension index") ); | |
| 76 | ||
| 77 | HRESULT hr = SafeArrayGetLBound(m_array, dim, &bound); | |
| 78 | if ( FAILED(hr) ) | |
| 79 | { | |
| 80 | wxLogApiError(wxS("SafeArrayGetLBound()"), hr); | |
| 81 | return false; | |
| 82 | } | |
| 83 | return true; | |
| 84 | } | |
| 85 | ||
| 86 | bool wxSafeArrayBase::GetUBound(size_t dim, long& bound) const | |
| 87 | { | |
| 88 | wxCHECK_MSG( m_array, false, wxS("Uninitialized safe array") ); | |
| 89 | wxCHECK_MSG( dim > 0, false, wxS("Invalid dimension index") ); | |
| 90 | ||
| 91 | HRESULT hr = SafeArrayGetUBound(m_array, dim, &bound); | |
| 92 | if ( FAILED(hr) ) | |
| 93 | { | |
| 94 | wxLogApiError(wxS("SafeArrayGetUBound()"), hr); | |
| 95 | return false; | |
| 96 | } | |
| 97 | return true; | |
| 98 | } | |
| 99 | ||
| 100 | size_t wxSafeArrayBase::GetCount(size_t dim) const | |
| 101 | { | |
| 102 | long lBound, uBound; | |
| 103 | ||
| 104 | if ( GetLBound(dim, lBound) && GetUBound(dim, uBound) ) | |
| 105 | return uBound - lBound + 1; | |
| 106 | return 0; | |
| 107 | } | |
| 108 | ||
| 109 | bool wxSafeArrayBase::Lock() | |
| 110 | { | |
| 111 | wxCHECK_MSG( m_array, false, wxS("Uninitialized safe array") ); | |
| 112 | ||
| 113 | HRESULT hr = SafeArrayLock(m_array); | |
| 114 | if ( FAILED(hr) ) | |
| 115 | { | |
| 116 | wxLogApiError(wxS("SafeArrayLock()"), hr); | |
| 117 | return false; | |
| 118 | } | |
| 119 | return true; | |
| 120 | } | |
| 121 | ||
| 122 | bool wxSafeArrayBase::Unlock() | |
| 123 | { | |
| 124 | wxCHECK_MSG( m_array, false, wxS("Uninitialized safe array") ); | |
| 125 | ||
| 126 | HRESULT hr = SafeArrayUnlock(m_array); | |
| 127 | if ( FAILED(hr) ) | |
| 128 | { | |
| 129 | wxLogApiError(wxS("SafeArrayUnlock()"), hr); | |
| 130 | return false; | |
| 131 | } | |
| 132 | return true; | |
| 133 | } | |
| 134 | ||
| 0555b2a0 | 135 | #endif // wxUSE_OLE && wxUSE_VARIANT |