X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f15dcc0158123fa7bb4174d7620f49298e13195f..39987096b3aa3e1bec4f69a5793780f7ea2dd914:/src/common/dobjcmn.cpp diff --git a/src/common/dobjcmn.cpp b/src/common/dobjcmn.cpp index 6560200b01..cbed32d72f 100644 --- a/src/common/dobjcmn.cpp +++ b/src/common/dobjcmn.cpp @@ -1,26 +1,15 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: common/dobjcmn.cpp +// Name: src/common/dobjcmn.cpp // Purpose: implementation of data object methods common to all platforms // Author: Vadim Zeitlin, Robert Roebling // Modified by: // Created: 19.10.99 // RCS-ID: $Id$ -// Copyright: (c) wxWindows Team +// Copyright: (c) wxWidgets Team // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// -// ============================================================================ -// declarations -// ============================================================================ - -// ---------------------------------------------------------------------------- -// headers -// ---------------------------------------------------------------------------- - -#ifdef __GNUG__ - #pragma implementation "dataobjbase.h" -#endif - +// For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ @@ -32,7 +21,7 @@ #ifndef WX_PRECOMP #include "wx/app.h" #include "wx/debug.h" -#endif // WX_PRECOMP +#endif #include "wx/dataobj.h" @@ -42,7 +31,7 @@ #include "wx/listimpl.cpp" -WX_DEFINE_LIST(wxSimpleDataObjectList); +WX_DEFINE_LIST(wxSimpleDataObjectList) // ---------------------------------------------------------------------------- // globals @@ -66,15 +55,15 @@ wxDataObjectBase::~wxDataObjectBase() bool wxDataObjectBase::IsSupported(const wxDataFormat& format, Direction dir) const { - size_t nFormatCount = GetFormatCount(dir); + size_t nFormatCount = GetFormatCount( dir ); if ( nFormatCount == 1 ) { - return format == GetPreferredFormat(dir); + return format == GetPreferredFormat( dir ); } else { wxDataFormat *formats = new wxDataFormat[nFormatCount]; - GetAllFormats(formats, dir); + GetAllFormats( formats, dir ); size_t n; for ( n = 0; n < nFormatCount; n++ ) @@ -97,14 +86,17 @@ bool wxDataObjectBase::IsSupported(const wxDataFormat& format, wxDataObjectComposite::wxDataObjectComposite() { m_preferred = 0; +} - m_dataObjects.DeleteContents(TRUE); +wxDataObjectComposite::~wxDataObjectComposite() +{ + WX_CLEAR_LIST( wxSimpleDataObjectList, m_dataObjects ); } wxDataObjectSimple * wxDataObjectComposite::GetObject(const wxDataFormat& format) const { - wxSimpleDataObjectList::Node *node = m_dataObjects.GetFirst(); + wxSimpleDataObjectList::compatibility_iterator node = m_dataObjects.GetFirst(); while ( node ) { wxDataObjectSimple *dataObj = node->GetData(); @@ -131,7 +123,7 @@ void wxDataObjectComposite::Add(wxDataObjectSimple *dataObject, bool preferred) wxDataFormat wxDataObjectComposite::GetPreferredFormat(Direction WXUNUSED(dir)) const { - wxSimpleDataObjectList::Node *node = m_dataObjects.Item( m_preferred ); + wxSimpleDataObjectList::compatibility_iterator node = m_dataObjects.Item( m_preferred ); wxCHECK_MSG( node, wxFormatInvalid, wxT("no preferred format") ); @@ -141,9 +133,7 @@ wxDataObjectComposite::GetPreferredFormat(Direction WXUNUSED(dir)) const } #if defined(__WXMSW__) -#ifdef __DIGITALMARS__ -extern "C" -#endif + size_t wxDataObjectComposite::GetBufferOffset( const wxDataFormat& format ) { wxDataObjectSimple *dataObj = GetObject(format); @@ -154,9 +144,7 @@ size_t wxDataObjectComposite::GetBufferOffset( const wxDataFormat& format ) return dataObj->GetBufferOffset( format ); } -#ifdef __DIGITALMARS__ -extern "C" -#endif + const void* wxDataObjectComposite::GetSizeFromBuffer( const void* buffer, size_t* size, const wxDataFormat& format ) @@ -169,13 +157,11 @@ const void* wxDataObjectComposite::GetSizeFromBuffer( const void* buffer, return dataObj->GetSizeFromBuffer( buffer, size, format ); } -#ifdef __DIGITALMARS__ -extern "C" -#endif + void* wxDataObjectComposite::SetSizeInBuffer( void* buffer, size_t size, const wxDataFormat& format ) { - wxDataObjectSimple *dataObj = GetObject(format); + wxDataObjectSimple *dataObj = GetObject( format ); wxCHECK_MSG( dataObj, NULL, wxT("unsupported format in wxDataObjectComposite")); @@ -195,7 +181,7 @@ void wxDataObjectComposite::GetAllFormats(wxDataFormat *formats, Direction WXUNUSED(dir)) const { size_t n = 0; - wxSimpleDataObjectList::Node *node; + wxSimpleDataObjectList::compatibility_iterator node; for ( node = m_dataObjects.GetFirst(); node; node = node->GetNext() ) { // TODO if ( !outputOnlyToo ) && this one counts ... @@ -216,66 +202,142 @@ size_t wxDataObjectComposite::GetDataSize(const wxDataFormat& format) const bool wxDataObjectComposite::GetDataHere(const wxDataFormat& format, void *buf) const { - wxDataObjectSimple *dataObj = GetObject(format); + wxDataObjectSimple *dataObj = GetObject( format ); - wxCHECK_MSG( dataObj, FALSE, + wxCHECK_MSG( dataObj, false, wxT("unsupported format in wxDataObjectComposite")); - return dataObj->GetDataHere(buf); + return dataObj->GetDataHere( buf ); } bool wxDataObjectComposite::SetData(const wxDataFormat& format, size_t len, const void *buf) { - wxDataObjectSimple *dataObj = GetObject(format); + wxDataObjectSimple *dataObj = GetObject( format ); - wxCHECK_MSG( dataObj, FALSE, + wxCHECK_MSG( dataObj, false, wxT("unsupported format in wxDataObjectComposite")); - return dataObj->SetData(len, buf); + return dataObj->SetData( len, buf ); } // ---------------------------------------------------------------------------- // wxTextDataObject // ---------------------------------------------------------------------------- -size_t wxTextDataObject::GetDataSize() const -{ #if defined(__WXGTK20__) && wxUSE_UNICODE - // Use UTF8 not UCS4 - wxCharBuffer buffer = wxConvUTF8.cWX2MB( GetText().c_str() ); - return strlen( (const char*) buffer ) + 1; + +static inline wxMBConv& GetConv(const wxDataFormat& format) +{ + // use UTF8 for wxDF_UNICODETEXT and UCS4 for wxDF_TEXT + return format == wxDF_UNICODETEXT ? wxConvUTF8 : wxConvLibc; +} + +size_t wxTextDataObject::GetDataSize(const wxDataFormat& format) const +{ + wxCharBuffer buffer = GetConv(format).cWX2MB( GetText().c_str() ); + + return buffer ? strlen( buffer ) : 0; +} + +bool wxTextDataObject::GetDataHere(const wxDataFormat& format, void *buf) const +{ + if ( buf == NULL ) + return false; + + wxCharBuffer buffer = GetConv(format).cWX2MB( GetText().c_str() ); + + strcpy( (char*)buf, buffer ); + + return true; +} + +bool wxTextDataObject::SetData(const wxDataFormat& format, + size_t WXUNUSED(len), const void *buf) +{ + if ( buf == NULL ) + return false; + + wxWCharBuffer buffer = GetConv(format).cMB2WX( (const char*)buf ); + + SetText( buffer ); + + return true; +} + +#elif wxUSE_UNICODE && defined(__WXMAC__) + +static wxMBConvUTF16 sUTF16Converter; + +static inline wxMBConv& GetConv(const wxDataFormat& format) +{ + return + format == wxDF_UNICODETEXT + ? (wxMBConv&) sUTF16Converter + : (wxMBConv&) wxConvLocal; +} + +size_t wxTextDataObject::GetDataSize(const wxDataFormat& format) const +{ + size_t len = GetConv(format).WC2MB( NULL, GetText().c_str(), 0 ); + len += (format == wxDF_UNICODETEXT ? 2 : 1); + + return len; +} + +bool wxTextDataObject::GetDataHere(const wxDataFormat& format, void *buf) const +{ + if ( buf == NULL ) + return false; + + wxCharBuffer buffer = GetConv(format).cWX2MB( GetText().c_str() ); + + size_t len = GetConv(format).WC2MB( NULL, GetText().c_str(), 0 ); + len += (format == wxDF_UNICODETEXT ? 2 : 1); + + // trailing (uni)char 0 + memcpy( (char*)buf, (const char*)buffer, len ); + + return true; +} + +bool wxTextDataObject::SetData(const wxDataFormat& format, + size_t WXUNUSED(len), const void *buf) +{ + if ( buf == NULL ) + return false; + + wxWCharBuffer buffer = GetConv(format).cMB2WX( (const char*)buf ); + + SetText( buffer ); + + return true; +} + #else + +size_t wxTextDataObject::GetDataSize() const +{ return GetTextLength() * sizeof(wxChar); -#endif } bool wxTextDataObject::GetDataHere(void *buf) const { -#if defined(__WXGTK20__) && wxUSE_UNICODE - // Use UTF8 not UCS4 - wxCharBuffer buffer = wxConvUTF8.cWX2MB( GetText().c_str() ); - strcpy( (char*) buf, (const char*) buffer ); -#else - wxStrcpy((wxChar *)buf, GetText().c_str()); -#endif + wxStrcpy( (wxChar*)buf, GetText().c_str() ); - return TRUE; + return true; } bool wxTextDataObject::SetData(size_t WXUNUSED(len), const void *buf) { -#if defined(__WXGTK20__) && wxUSE_UNICODE - // Use UTF8 not UCS4 - SetText( wxConvUTF8.cMB2WX( (const char*) buf ) ); -#else - SetText(wxString((const wxChar *)buf)); -#endif + SetText( wxString((const wxChar*)buf) ); - return TRUE; + return true; } +#endif + // ---------------------------------------------------------------------------- // wxFileDataObjectBase // ---------------------------------------------------------------------------- @@ -321,7 +383,7 @@ void wxFileDataObjectBase::SetFilenames(const wxChar* filenames) } } -#endif // 0 +#endif // ---------------------------------------------------------------------------- // wxCustomDataObject @@ -330,7 +392,8 @@ void wxFileDataObjectBase::SetFilenames(const wxChar* filenames) wxCustomDataObject::wxCustomDataObject(const wxDataFormat& format) : wxDataObjectSimple(format) { - m_data = (void *)NULL; + m_data = NULL; + m_size = 0; } wxCustomDataObject::~wxCustomDataObject() @@ -353,9 +416,9 @@ void *wxCustomDataObject::Alloc(size_t size) void wxCustomDataObject::Free() { - delete [] (char *)m_data; + delete [] (char*)m_data; m_size = 0; - m_data = (void *)NULL; + m_data = (void*)NULL; } size_t wxCustomDataObject::GetDataSize() const @@ -365,13 +428,16 @@ size_t wxCustomDataObject::GetDataSize() const bool wxCustomDataObject::GetDataHere(void *buf) const { + if ( buf == NULL ) + return false; + void *data = GetData(); - if ( !data ) - return FALSE; + if ( data == NULL ) + return false; - memcpy(buf, data, GetSize()); + memcpy( buf, data, GetSize() ); - return TRUE; + return true; } bool wxCustomDataObject::SetData(size_t size, const void *buf) @@ -379,12 +445,13 @@ bool wxCustomDataObject::SetData(size_t size, const void *buf) Free(); m_data = Alloc(size); - if ( !m_data ) - return FALSE; + if ( m_data == NULL ) + return false; - memcpy(m_data, buf, m_size = size); + m_size = size; + memcpy( m_data, buf, m_size ); - return TRUE; + return true; } // ============================================================================ @@ -414,7 +481,7 @@ wxDragResult wxTextDropTarget::OnData(wxCoord x, wxCoord y, wxDragResult def) return wxDragNone; wxTextDataObject *dobj = (wxTextDataObject *)m_dataObject; - return OnDropText(x, y, dobj->GetText()) ? def : wxDragNone; + return OnDropText( x, y, dobj->GetText() ) ? def : wxDragNone; } // ---------------------------------------------------------------------------- @@ -432,7 +499,7 @@ wxDragResult wxFileDropTarget::OnData(wxCoord x, wxCoord y, wxDragResult def) return wxDragNone; wxFileDataObject *dobj = (wxFileDataObject *)m_dataObject; - return OnDropFiles(x, y, dobj->GetFilenames()) ? def : wxDragNone; + return OnDropFiles( x, y, dobj->GetFilenames() ) ? def : wxDragNone; } #endif // wxUSE_DRAG_AND_DROP