HWND m_hwnd; // window we're associated with
// get default drop effect for given keyboard flags
- static inline DWORD GetDropEffect(DWORD flags);
+ static inline DWORD GetDropEffect(DWORD flags, wxDragResult defaultAction);
DECLARE_NO_COPY_CLASS(wxIDropTarget)
};
// Notes : We do "move" normally and "copy" if <Ctrl> is pressed,
// which is the standard behaviour (currently there is no
// way to redefine it)
-DWORD wxIDropTarget::GetDropEffect(DWORD flags)
+DWORD wxIDropTarget::GetDropEffect(DWORD flags, wxDragResult defaultAction)
{
+ if (defaultAction == wxDragCopy)
+ return flags & MK_SHIFT ? DROPEFFECT_MOVE : DROPEFFECT_COPY;
return flags & MK_CONTROL ? DROPEFFECT_COPY : DROPEFFECT_MOVE;
}
// give some visual feedback
*pdwEffect = ConvertDragResultToEffect(
- m_pTarget->OnEnter(pt.x, pt.y,
- ConvertDragEffectToResult(GetDropEffect(grfKeyState))
+ m_pTarget->OnEnter(pt.x, pt.y, ConvertDragEffectToResult(
+ GetDropEffect(grfKeyState, m_pTarget->GetDefaultAction()))
)
);
wxDragResult result;
if ( m_pIDataObject ) {
- result = ConvertDragEffectToResult(GetDropEffect(grfKeyState));
+ result = ConvertDragEffectToResult(
+ GetDropEffect(grfKeyState, m_pTarget->GetDefaultAction()));
}
else {
// can't accept data anyhow normally
m_pTarget->SetDataSource(pIDataSource);
// and now it has the data
- wxDragResult rc = ConvertDragEffectToResult(GetDropEffect(grfKeyState));
+ wxDragResult rc = ConvertDragEffectToResult(
+ GetDropEffect(grfKeyState, m_pTarget->GetDefaultAction()));
rc = m_pTarget->OnData(pt.x, pt.y, rc);
if ( wxIsDragResultOk(rc) ) {
// operation succeeded
}
//else: *pdwEffect is already DROPEFFECT_NONE
}
- //else: OnDrop() returned FALSE, no need to copy data
+ //else: OnDrop() returned false, no need to copy data
// release the held object
RELEASE_AND_NULL(m_pIDataObject);
bool wxDropTarget::Register(WXHWND hwnd)
{
+ // FIXME
+ // RegisterDragDrop not available on Windows CE >= 400?
+ // Or maybe we can dynamically load them from ceshell.dll
+ // or similar.
+#if defined(__WXWINCE__) && _WIN32_WCE >= 400
+ wxUnusedVar(hwnd);
+ return false;
+#else
HRESULT hr;
// May exist in later WinCE versions
hr = ::CoLockObjectExternal(m_pIDropTarget, TRUE, FALSE);
if ( FAILED(hr) ) {
wxLogApiError(wxT("CoLockObjectExternal"), hr);
- return FALSE;
+ return false;
}
#endif
::CoLockObjectExternal(m_pIDropTarget, FALSE, FALSE);
#endif
wxLogApiError(wxT("RegisterDragDrop"), hr);
- return FALSE;
+ return false;
}
// we will need the window handle for coords transformation later
m_pIDropTarget->SetHwnd((HWND)hwnd);
- return TRUE;
+ return true;
+#endif
}
void wxDropTarget::Revoke(WXHWND hwnd)
{
+#if defined(__WXWINCE__) && _WIN32_WCE >= 400
+ // Not available, see note above
+ wxUnusedVar(hwnd);
+#else
HRESULT hr = ::RevokeDragDrop((HWND) hwnd);
if ( FAILED(hr) ) {
#endif
m_pIDropTarget->SetHwnd(0);
+#endif
}
// ----------------------------------------------------------------------------
// base class pure virtuals
// ----------------------------------------------------------------------------
-// OnDrop() is called only if we previously returned TRUE from
+// OnDrop() is called only if we previously returned true from
// IsAcceptedData(), so no need to check anything here
bool wxDropTarget::OnDrop(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
{
- return TRUE;
+ return true;
}
// copy the data from the data source to the target data object
// this is strange because IsAcceptedData() succeeded previously!
wxFAIL_MSG(wxT("strange - did supported formats list change?"));
- return FALSE;
+ return false;
}
STGMEDIUM stm;
fmtMemory.lindex = -1;
fmtMemory.tymed = TYMED_HGLOBAL; // TODO to add other media
- bool rc = FALSE;
+ bool rc = false;
HRESULT hr = m_pIDataSource->GetData(&fmtMemory, &stm);
if ( SUCCEEDED(hr) ) {
hr = dataObject->SetData(&fmtMemory, &stm, TRUE);
if ( SUCCEEDED(hr) ) {
- rc = TRUE;
+ rc = true;
}
else {
wxLogApiError(wxT("IDataObject::SetData()"), hr);