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Commit Hartwig's patch for DnD in wxDataViewCtrl

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58547 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
2009-01-31 13:29:21 +00:00
parent a0c800ed14
commit 4a3d495c0c
1 changed files with 418 additions and 4 deletions
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422
src/osx/carbon/databrow.cpp
View File

@@ -37,6 +37,10 @@ DataBrowserItemCompareUPP gDataBrowserTableViewItemCompareUPP = NULL
DataBrowserItemDataUPP gDataBrowserTableViewItemDataUPP = NULL;
DataBrowserItemNotificationUPP gDataBrowserTableViewItemNotificationUPP = NULL;
DataBrowserAcceptDragUPP gDataBrowserTableViewAcceptDragUPP = NULL;
DataBrowserAddDragItemUPP gDataBrowserTableViewAddDragItemUPP = NULL;
DataBrowserReceiveDragUPP gDataBrowserTableViewReceiveDragUPP = NULL;
DataBrowserDrawItemUPP gDataBrowserTableViewDrawItemUPP = NULL;
DataBrowserEditItemUPP gDataBrowserTableViewEditItemUPP = NULL;
DataBrowserHitTestUPP gDataBrowserTableViewHitTestUPP = NULL;
@@ -122,6 +126,30 @@ pascal DataBrowserTrackingResult wxMacDataBrowserTableViewControl::DataBrowserTr
return kDataBrowserNothingHit;
} /* wxMacDataBrowserTableViewControl::DataBrowserTrackingProc(ControlRef, DataBrowserItemID, DataBrowserPropertyID, Rect const*, Point, EventModifiers) */
pascal Boolean wxMacDataBrowserTableViewControl::DataBrowserAcceptDragProc(ControlRef browser, DragReference dragRef, DataBrowserItemID itemID)
{
wxMacDataBrowserTableViewControl* controlPtr(dynamic_cast<wxMacDataBrowserTableViewControl*>(wxMacControl::GetReferenceFromNativeControl(browser)));
return ((controlPtr != NULL) && controlPtr->DataBrowserAcceptDragProc(dragRef,itemID));
} /* wxMacDataBrowserTableViewControl::DataBrowserAcceptDragProc(ControlRef, DragReference, DataBrowserItemID) */
pascal Boolean wxMacDataBrowserTableViewControl::DataBrowserAddDragItemProc(ControlRef browser, DragReference dragRef, DataBrowserItemID itemID, ItemReference* itemRef)
{
wxMacDataBrowserTableViewControl* controlPtr(dynamic_cast<wxMacDataBrowserTableViewControl*>(wxMacControl::GetReferenceFromNativeControl(browser)));
return ((controlPtr != NULL) && controlPtr->DataBrowserAddDragItemProc(dragRef,itemID,itemRef));
} /* wxMacDataBrowserTableViewControl::DataBrowserAddDragItemProc(ControlRef, DragReference, DataBrowserItemID, ItemReference*) */
pascal Boolean wxMacDataBrowserTableViewControl::DataBrowserReceiveDragProc(ControlRef browser, DragReference dragRef, DataBrowserItemID itemID)
{
wxMacDataBrowserTableViewControl* controlPtr(dynamic_cast<wxMacDataBrowserTableViewControl*>(wxMacControl::GetReferenceFromNativeControl(browser)));
return ((controlPtr != NULL) && controlPtr->DataBrowserReceiveDragProc(dragRef,itemID));
} /* wxMacDataBrowserTableViewControl::DataBrowserReceiveDragProc(ControlRef, DragReference, DataBrowserItemID) */
wxMacDataBrowserTableViewControl::wxMacDataBrowserTableViewControl(wxWindow* peer, wxPoint const& pos, wxSize const& size, long style)
:wxMacControl(peer)
{
@@ -144,6 +172,11 @@ wxMacDataBrowserTableViewControl::wxMacDataBrowserTableViewControl(wxWindow* pee
NewDataBrowserItemNotificationUPP(wxMacDataBrowserTableViewControl::DataBrowserItemNotificationProc);
#endif
}
// setup drag and drop callbacks:
if (gDataBrowserTableViewAcceptDragUPP == NULL) gDataBrowserTableViewAcceptDragUPP = NewDataBrowserAcceptDragUPP (wxMacDataBrowserTableViewControl::DataBrowserAcceptDragProc);
if (gDataBrowserTableViewAddDragItemUPP == NULL) gDataBrowserTableViewAddDragItemUPP = NewDataBrowserAddDragItemUPP(wxMacDataBrowserTableViewControl::DataBrowserAddDragItemProc);
if (gDataBrowserTableViewReceiveDragUPP == NULL) gDataBrowserTableViewReceiveDragUPP = NewDataBrowserReceiveDragUPP(wxMacDataBrowserTableViewControl::DataBrowserReceiveDragProc);
DataBrowserCallbacks callbacks; // variable definition
InitializeDataBrowserCallbacks(&callbacks,kDataBrowserLatestCallbacks);
@@ -151,6 +184,9 @@ wxMacDataBrowserTableViewControl::wxMacDataBrowserTableViewControl(wxWindow* pee
callbacks.u.v1.itemDataCallback = gDataBrowserTableViewItemDataUPP;
callbacks.u.v1.itemCompareCallback = gDataBrowserTableViewItemCompareUPP;
callbacks.u.v1.itemNotificationCallback = gDataBrowserTableViewItemNotificationUPP;
callbacks.u.v1.acceptDragCallback = gDataBrowserTableViewAcceptDragUPP;
callbacks.u.v1.addDragItemCallback = gDataBrowserTableViewAddDragItemUPP;
callbacks.u.v1.receiveDragCallback = gDataBrowserTableViewReceiveDragUPP;
this->SetCallbacks(&callbacks);
// setup callbacks for customized items:
@@ -1109,10 +1145,11 @@ DataBrowserTrackingResult wxMacDataViewDataBrowserListViewControl::DataBrowserTr
wxDataViewItem dataViewCustomRendererItem;
dataViewCtrlPtr = dynamic_cast<wxDataViewCtrl*>(this->GetWXPeer());
wxCHECK_MSG(dataViewCtrlPtr != NULL, false,_("Pointer to data view control not set correctly."));
wxCHECK_MSG(dataViewCtrlPtr->GetModel() != NULL,false,_("Pointer to model not set correctly."));
dataViewCustomRendererItem = reinterpret_cast<void*>(itemID);
wxCHECK_MSG(dataViewCustomRendererItem.IsOk(),kDataBrowserNothingHit,_("Invalid data view item"));
dataViewCtrlPtr = dynamic_cast<wxDataViewCtrl*>(this->GetWXPeer());
wxCHECK_MSG(dataViewCtrlPtr != NULL,kDataBrowserNothingHit,_("Pointer to data view control not set correctly."));
dataViewColumnPtr = dataViewCtrlPtr->GetColumnPtr(propertyID);
wxCHECK_MSG(dataViewColumnPtr != NULL,kDataBrowserNothingHit,_("No column existing."));
dataViewCustomRendererPtr = dynamic_cast<wxDataViewCustomRenderer*>(dataViewColumnPtr->GetRenderer());
@@ -1126,7 +1163,7 @@ DataBrowserTrackingResult wxMacDataViewDataBrowserListViewControl::DataBrowserTr
dataViewCtrlPtr->GetCustomRendererPtr()->FinishEditing();
dataViewCtrlPtr->SetCustomRendererItem(wxDataViewItem());
dataViewCtrlPtr->SetCustomRendererPtr (NULL);
} /* if */
}
// check if renderer has got a valid editor control for editing; if this is the case start editing of the new item:
if (dataViewCustomRendererPtr->HasEditorCtrl())
{
@@ -1137,9 +1174,386 @@ DataBrowserTrackingResult wxMacDataViewDataBrowserListViewControl::DataBrowserTr
dataViewCustomRendererPtr->StartEditing(dataViewCustomRendererItem,wxRectangle);
dataViewCtrlPtr->SetCustomRendererItem(dataViewCustomRendererItem);
dataViewCtrlPtr->SetCustomRendererPtr (dataViewCustomRendererPtr);
} /* if */
}
return kDataBrowserContentHit;
} /* wxMacDataViewDataBrowserListViewControl::DataBrowserTrackingProc(DataBrowserItemID, DataBrowserPropertyID, Rect const*, Point, EventModifiers) */
Boolean wxMacDataViewDataBrowserListViewControl::DataBrowserAcceptDragProc(DragReference dragRef, DataBrowserItemID itemID)
{
UInt16 noOfDraggedItems;
wxDataViewCtrl* dataViewCtrlPtr;
dataViewCtrlPtr = dynamic_cast<wxDataViewCtrl*>(this->GetWXPeer());
wxCHECK_MSG(dataViewCtrlPtr != NULL, false,_("Pointer to data view control not set correctly."));
wxCHECK_MSG(dataViewCtrlPtr->GetModel() != NULL,false,_("Pointer to model not set correctly."));
// send a drag possible event for each available item and proceed with it unless the event is vetoed:
::CountDragItems(dragRef,&noOfDraggedItems);
for (UInt16 indexDraggedItem=1; indexDraggedItem<=noOfDraggedItems; ++indexDraggedItem)
{
// collect native information:
ItemReference itemRef;
wxDataObjectComposite* dataObjects;
wxMemoryBuffer buffer;
::GetDragItemReferenceNumber(dragRef,indexDraggedItem,&itemRef); // the index begins with 1!
dataObjects = this->GetDnDDataObjects(dragRef,itemRef);
// create wxWidget's event:
wxDataViewEvent dataViewEvent(wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE,dataViewCtrlPtr->GetId());
dataViewEvent.SetEventObject(dataViewCtrlPtr);
dataViewEvent.SetItem(reinterpret_cast<void*>(itemID)); // this is the item that receives the event
// (can be an invalid item ID, this is especially useful if the dataview does not contain any items)
dataViewEvent.SetModel(dataViewCtrlPtr->GetModel());
dataViewEvent.SetDataObject(dataObjects);
dataViewEvent.SetDataFormat(this->GetDnDDataFormat(dataObjects));
if (dataViewEvent.GetDataFormat().GetType() != wxDF_INVALID)
{
dataViewEvent.SetDataSize(dataObjects->GetDataSize(dataViewEvent.GetDataFormat().GetType()));
dataObjects->GetDataHere(dataViewEvent.GetDataFormat().GetType(),buffer.GetWriteBuf(dataViewEvent.GetDataSize()));
buffer.UngetWriteBuf(dataViewEvent.GetDataSize());
dataViewEvent.SetDataBuffer(buffer.GetData());
}
// send event:
if (!(dataViewCtrlPtr->HandleWindowEvent(dataViewEvent) && dataViewEvent.IsAllowed()))
return false;
}
return true;
} /* wxMacDataViewDataBrowserListViewControl::DataBrowserAcceptDragProc(DragReference, DataBrowserItemID) */
Boolean wxMacDataViewDataBrowserListViewControl::DataBrowserAddDragItemProc(DragReference dragRef, DataBrowserItemID itemID, ItemReference* itemRef)
{
wxDataViewCtrl* dataViewCtrlPtr;
wxDataViewItem dataViewItem;
dataViewCtrlPtr = dynamic_cast<wxDataViewCtrl*>(this->GetWXPeer());
wxCHECK_MSG(dataViewCtrlPtr != NULL, false,_("Pointer to data view control not set correctly."));
wxCHECK_MSG(dataViewCtrlPtr->GetModel() != NULL,false,_("Pointer to model not set correctly."));
dataViewItem = reinterpret_cast<void*>(itemID);
wxCHECK_MSG(dataViewItem.IsOk(),false,_("Invalid data view item"));
// send a begin drag event and proceed with dragging unless the event is vetoed:
wxDataViewEvent dataViewEvent(wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG,dataViewCtrlPtr->GetId());
dataViewEvent.SetEventObject(dataViewCtrlPtr);
dataViewEvent.SetItem(dataViewItem);
dataViewEvent.SetModel(dataViewCtrlPtr->GetModel());
// the dataview event object is also initialized with a default set of data; as it is a set of data and the user should be able to easily complete
// the object a wxDataObjectComposite object is used;
// currently, the composite object only contains a TAB concatenated string of all data:
wxDataObjectComposite* dataObject(new wxDataObjectComposite());
wxString dataString; // contains the TAB concatenated data
for (size_t i=0; i<dataViewCtrlPtr->GetColumnCount(); i++)
{
// variable definition:
wxVariant dataValue;
dataViewCtrlPtr->GetModel()->GetValue(dataValue,dataViewItem,dataViewCtrlPtr->GetColumn(i)->GetModelColumn());
if (i > 0)
dataString << wxT('\t');
dataString << dataValue.MakeString();
}
dataObject->Add(new wxTextDataObject(dataString));
dataViewEvent.SetDataObject(dataObject);
// check if event has not been vetoed:
if (dataViewCtrlPtr->HandleWindowEvent(dataViewEvent) && dataViewEvent.IsAllowed())
{
// for the internal drag & drop functions create two flavors:
// - the data browser's item id;
// - the data contained the dataview event object (if available).
// Definition: a flavor is the type dependent representation of identical data.
// Example: a number can be represented by its value and by its value converted to a string. In this case the flavor
// of the number's internal representation is typeSInt32 while its string representation has got the flavor 'TEXT'.
// Item id is one of the flavors:
wxCHECK_MSG(::AddDragItemFlavor(dragRef,*itemRef,typeUInt32,&itemID,sizeof(itemID),0) == noErr,false,_("Unable to handle native drag&drop data"));
// if the dataview event object contains data it is used for additional flavors; all natively known flavors are supported:
if (dataViewEvent.GetDataObject() != NULL)
{
// constant definition for abbreviational purposes:
size_t const noOfFormats = dataViewEvent.GetDataObject()->GetFormatCount();
if (noOfFormats > 0)
{
// variable definition:
wxDataFormat* dataFormats;
dataFormats = new wxDataFormat[noOfFormats];
dataViewEvent.GetDataObject()->GetAllFormats(dataFormats,wxDataObject::Get);
for (size_t i=0; i<noOfFormats; ++i)
switch (dataFormats[i].GetType())
{
case wxDF_INVALID:
wxFAIL_MSG(_("Data object has invalid data format"));
break;
case wxDF_TEXT:
{
// constant definition for abbreviational purposes:
size_t const dataSize = dataViewEvent.GetDataObject()->GetDataSize(wxDF_TEXT);
// variable definition and initialization:
wxMemoryBuffer dataObject(dataSize);
dataViewEvent.GetDataObject()->GetDataHere(wxDF_TEXT,dataObject.GetWriteBuf(dataSize));
dataObject.UngetWriteBuf(dataSize);
if (::AddDragItemFlavor(dragRef,*itemRef,'TEXT',dataObject.GetData(),dataSize,0) != noErr)
wxFAIL_MSG(_("Adding flavor TEXT failed"));
} /* block */
break;
case wxDF_UNICODETEXT:
{
// constant definition for abbreviational purposes:
size_t const dataSize = dataViewEvent.GetDataObject()->GetDataSize(wxDF_TEXT);
// as there is no direct access to the data copy it to a memory buffer:
wxMemoryBuffer dataObject(dataSize);
dataViewEvent.GetDataObject()->GetDataHere(wxDF_TEXT,dataObject.GetWriteBuf(dataSize));
dataObject.UngetWriteBuf(dataSize);
// if the data is stored in unicode format the internal representation is utf-8 (not mentioned in the documentation but in the source code);
// DnD uses fixed utf-16 representation -> use the OSX functions for a conversion:
CFDataRef osxData (::CFDataCreateWithBytesNoCopy(kCFAllocatorDefault,reinterpret_cast<UInt8*>(dataObject.GetData()),dataSize,kCFAllocatorNull));
CFStringRef osxString(::CFStringCreateFromExternalRepresentation(kCFAllocatorDefault,osxData,kCFStringEncodingUTF8));
// the osxString contains now the data and therefore the previously occupied memory can be released and re-used:
::CFRelease(osxData);
osxData = ::CFStringCreateExternalRepresentation(kCFAllocatorDefault,osxString,kCFStringEncodingUTF16,32);
if (::AddDragItemFlavor(dragRef,*itemRef,'utxt',::CFDataGetBytePtr(osxData),::CFDataGetLength(osxData),0) != noErr)
wxFAIL_MSG(_("Adding flavor utxt failed"));
// clean up:
::CFRelease(osxData);
::CFRelease(osxString);
} /* block */
break;
case wxDF_BITMAP:
case wxDF_METAFILE:
case wxDF_SYLK:
case wxDF_DIF:
case wxDF_TIFF:
case wxDF_OEMTEXT:
case wxDF_DIB:
case wxDF_PALETTE:
case wxDF_PENDATA:
case wxDF_RIFF:
case wxDF_WAVE:
case wxDF_ENHMETAFILE:
case wxDF_FILENAME:
case wxDF_LOCALE:
case wxDF_PRIVATE:
case wxDF_HTML:
break; // not (yet) supported data formats
default:
wxFAIL_MSG(_("Unknown data format"));
}
delete[] dataFormats;
}
}
return true;
}
else
return false;
} /* wxMacDataViewDataBrowserListViewControl::DataBrowserAddDragItemProc(DragReference, DataBrowserItemID, ItemReference*) */
Boolean wxMacDataViewDataBrowserListViewControl::DataBrowserReceiveDragProc(DragReference dragRef, DataBrowserItemID itemID)
{
UInt16 noOfDraggedItems;
wxDataViewCtrl* dataViewCtrlPtr;
dataViewCtrlPtr = dynamic_cast<wxDataViewCtrl*>(this->GetWXPeer());
wxCHECK_MSG(dataViewCtrlPtr != NULL, false,_("Pointer to data view control not set correctly."));
wxCHECK_MSG(dataViewCtrlPtr->GetModel() != NULL,false,_("Pointer to model not set correctly."));
// send a drag possible event for each available and item und proceed with it unless the event is vetoed:
::CountDragItems(dragRef,&noOfDraggedItems);
for (UInt16 indexDraggedItem=1; indexDraggedItem<=noOfDraggedItems; ++indexDraggedItem)
{
// collect native information:
ItemReference itemRef;
wxDataObjectComposite* dataObjects;
wxMemoryBuffer buffer;
::GetDragItemReferenceNumber(dragRef,indexDraggedItem,&itemRef); // the index begins with 1!
dataObjects = this->GetDnDDataObjects(dragRef,itemRef);
// create wxWidget's event:
wxDataViewEvent dataViewEvent(wxEVT_COMMAND_DATAVIEW_ITEM_DROP,dataViewCtrlPtr->GetId());
dataViewEvent.SetEventObject(dataViewCtrlPtr);
dataViewEvent.SetItem(reinterpret_cast<void*>(itemID)); // this is the item that receives the event
// (can be an invalid item ID, this is especially useful if the dataview does not contain any items)
dataViewEvent.SetModel(dataViewCtrlPtr->GetModel());
dataViewEvent.SetDataObject(dataObjects);
dataViewEvent.SetDataFormat(this->GetDnDDataFormat(dataObjects));
if (dataViewEvent.GetDataFormat().GetType() != wxDF_INVALID)
{
dataViewEvent.SetDataSize(dataObjects->GetDataSize(dataViewEvent.GetDataFormat().GetType()));
dataObjects->GetDataHere(dataViewEvent.GetDataFormat().GetType(),buffer.GetWriteBuf(dataViewEvent.GetDataSize()));
buffer.UngetWriteBuf(dataViewEvent.GetDataSize());
dataViewEvent.SetDataBuffer(buffer.GetData());
}
// send event:
if (!(dataViewCtrlPtr->HandleWindowEvent(dataViewEvent) && dataViewEvent.IsAllowed()))
return false;
}
return true;
} /* wxMacDataViewDataBrowserListViewControl::DataBrowserReceiveDragProc(DragReference, DataBrowserItemID) */
//
// drag & drop helper methods
//
wxDataFormat wxMacDataViewDataBrowserListViewControl::GetDnDDataFormat(wxDataObjectComposite* dataObjects)
{
wxDataFormat resultFormat;
if (dataObjects != NULL)
{
bool compatible(true);
size_t const noOfFormats = dataObjects->GetFormatCount();
size_t indexFormat;
wxDataFormat* formats;
// get all formats and check afterwards if the formats are compatible; if they are compatible the preferred format is returned otherwise
// wxDF_INVALID is returned;
// currently compatible types (ordered by priority are):
// - wxDF_UNICODETEXT - wxDF_TEXT
formats = new wxDataFormat[noOfFormats];
dataObjects->GetAllFormats(formats);
indexFormat = 0;
while ((indexFormat < noOfFormats) && compatible)
{
switch (resultFormat.GetType())
{
case wxDF_INVALID:
resultFormat.SetType(formats[indexFormat].GetType()); // first format (should only be reached if indexFormat == 0
break;
case wxDF_TEXT:
if (formats[indexFormat].GetType() == wxDF_UNICODETEXT)
resultFormat.SetType(wxDF_UNICODETEXT);
else // incompatible
{
resultFormat.SetType(wxDF_INVALID);
compatible = false;
}
break;
case wxDF_UNICODETEXT:
if (formats[indexFormat].GetType() != wxDF_TEXT)
{
resultFormat.SetType(wxDF_INVALID);
compatible = false;
}
break;
default:
resultFormat.SetType(wxDF_INVALID); // not (yet) supported format
compatible = false;
}
++indexFormat;
} /* while */
// clean up:
delete[] formats;
}
return resultFormat;
} /* wxMacDataViewDataBrowserListViewControl::GetDnDDataFormat(wxDataObjectComposite*) */
wxDataObjectComposite* wxMacDataViewDataBrowserListViewControl::GetDnDDataObjects(DragReference dragRef, ItemReference itemRef) const
{
UInt16 noOfFlavors;
wxDataObjectComposite* dataObject;
::CountDragItemFlavors(dragRef,itemRef,&noOfFlavors);
if (noOfFlavors > 0)
{
// as the native drag data can be separated into TEXT and UTXT a pointer to a wxTextDataObject is used to track the existence of 'TEXT' and 'utxt' flavors:
wxTextDataObject* textDataObject(NULL);
dataObject = new wxDataObjectComposite();
for (UInt16 indexFlavor=1; indexFlavor<=noOfFlavors; ++indexFlavor)
{
// variable definition:
FlavorType flavorDataObject;
if (::GetFlavorType(dragRef,itemRef,indexFlavor,&flavorDataObject) == noErr) // GetFlavorType uses a 1 based index!
switch (flavorDataObject)
{
case 'TEXT':
if (textDataObject == NULL) // otherwise a 'utxt' flavor has already been found that gets priority compared to the 'TEXT' flavor
{
// variable definitions:
Size nativeDataSize;
wxMemoryBuffer nativeData;
if ((::GetFlavorDataSize(dragRef,itemRef,'TEXT',&nativeDataSize) == noErr) &&
(::GetFlavorData(dragRef,itemRef,'TEXT',nativeData.GetWriteBuf(nativeDataSize),&nativeDataSize,0) == noErr))
{
nativeData.UngetWriteBuf(nativeDataSize);
textDataObject = new wxTextDataObject();
if (textDataObject->SetData(nativeData.GetDataLen(),nativeData.GetData()))
dataObject->Add(textDataObject);
else
{
delete textDataObject;
textDataObject = NULL;
}
}
} /* block */
break;
case 'utxt':
{
// variable definition:
Size nativeDataSize;
if (::GetFlavorDataSize(dragRef,itemRef,'utxt',&nativeDataSize) == noErr)
{
CFMutableDataRef draggedData;
draggedData = ::CFDataCreateMutable(kCFAllocatorDefault,nativeDataSize);
::CFDataSetLength(draggedData,nativeDataSize);
if (::GetFlavorData(dragRef,itemRef,'utxt',::CFDataGetMutableBytePtr(draggedData),&nativeDataSize,0) == noErr)
{
// convert internally used UTF-16 representation to a UTF-8 representation:
CFDataRef osxData;
CFStringRef osxString;
osxString = ::CFStringCreateFromExternalRepresentation(kCFAllocatorDefault,draggedData,kCFStringEncodingUTF16); // BOM character is handled by this function automatically
osxData = ::CFStringCreateExternalRepresentation(kCFAllocatorDefault,osxString,kCFStringEncodingUTF8,32);
if (textDataObject == NULL)
{
textDataObject = new wxTextDataObject();
if (textDataObject->SetData(::CFDataGetLength(osxData),::CFDataGetBytePtr(osxData)))
dataObject->Add(textDataObject);
else
{
delete textDataObject;
textDataObject = NULL;
}
}
else // overwrite data because the 'utxt' flavor has priority over the 'TEXT' flavor
(void) textDataObject->SetData(::CFDataGetLength(osxData),::CFDataGetBytePtr(osxData));
// clean up:
::CFRelease(osxData);
::CFRelease(osxString);
}
// clean up:
::CFRelease(draggedData);
}
} /* block */
break;
}
}
}
else
dataObject = NULL;
return dataObject;
} /* wxMacDataViewDataBrowserListViewControl::GetDnDDataObjects(DragReference, ItemReference) const */
#endif // wxUSE_GENERICDATAVIEWCTRL
#endif // wxUSE_DATAVIEWCTRL