X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c32a8bd4dbc7ce0acb5e22e5558f66a566b23cc8..5b7352027902bebecd06e2a124492fc0ee27f4e2:/src/common/dobjcmn.cpp

diff --git a/src/common/dobjcmn.cpp b/src/common/dobjcmn.cpp
index 6a40f0b1d9..a71231b2ae 100644
--- a/src/common/dobjcmn.cpp
+++ b/src/common/dobjcmn.cpp
@@ -229,6 +229,12 @@ void wxFileDataObjectBase::SetFilenames(const wxChar* filenames)
 // wxCustomDataObject
 // ----------------------------------------------------------------------------
 
+wxCustomDataObject::wxCustomDataObject(const wxDataFormat& format)
+    : wxDataObjectSimple(format)
+{
+    m_data = (void *)NULL;
+}
+
 wxCustomDataObject::~wxCustomDataObject()
 {
     Free();
@@ -283,3 +289,53 @@ bool wxCustomDataObject::SetData(size_t size, const void *buf)
     return TRUE;
 }
 
+// ============================================================================
+// some common dnd related code
+// ============================================================================
+
+#if wxUSE_DRAG_AND_DROP
+
+#include "wx/dnd.h"
+
+// ----------------------------------------------------------------------------
+// wxTextDropTarget
+// ----------------------------------------------------------------------------
+
+// NB: we can't use "new" in ctor initializer lists because this provokes an
+//     internal compiler error with VC++ 5.0 (hey, even gcc compiles this!),
+//     so use SetDataObject() instead
+
+wxTextDropTarget::wxTextDropTarget()
+{
+    SetDataObject(new wxTextDataObject);
+}
+
+wxDragResult wxTextDropTarget::OnData(wxCoord x, wxCoord y, wxDragResult def)
+{
+    if ( !GetData() )
+        return wxDragNone;
+
+    wxTextDataObject *dobj = (wxTextDataObject *)m_dataObject;
+    return OnDropText(x, y, dobj->GetText()) ? def : wxDragNone;
+}
+
+// ----------------------------------------------------------------------------
+// wxFileDropTarget
+// ----------------------------------------------------------------------------
+
+wxFileDropTarget::wxFileDropTarget()
+{
+    SetDataObject(new wxFileDataObject);
+}
+
+wxDragResult wxFileDropTarget::OnData(wxCoord x, wxCoord y, wxDragResult def)
+{
+    if ( !GetData() )
+        return wxDragNone;
+
+    wxFileDataObject *dobj = (wxFileDataObject *)m_dataObject;
+    return OnDropFiles(x, y, dobj->GetFilenames()) ? def : wxDragNone;
+}
+
+#endif
+