Fix line indices translation in wxGrid::DoEndDragResizeLine().

[wxWidgets.git] / src / common / dobjcmn.cpp

diff --git a/src/common/dobjcmn.cpp b/src/common/dobjcmn.cpp
index 4929160986a53a6d05e3d01ab98f532cab16e4d9..271144ee7615bb6db4e49029cb9bb23e7918a817 100644 (file)
--- a/src/common/dobjcmn.cpp
+++ b/src/common/dobjcmn.cpp
@@ -94,21 +94,18 @@ wxDataObjectComposite::~wxDataObjectComposite()
 }
 
 wxDataObjectSimple *
-wxDataObjectComposite::GetObject(const wxDataFormat& format) const
+wxDataObjectComposite::GetObject(const wxDataFormat& format, wxDataObjectBase::Direction dir) const
 {
     wxSimpleDataObjectList::compatibility_iterator node = m_dataObjects.GetFirst();
+
     while ( node )
     {
         wxDataObjectSimple *dataObj = node->GetData();
 
-        if ( dataObj->GetFormat() == format )
-        {
-            return dataObj;
-        }
-
+        if (dataObj->IsSupported(format,dir))
+          return dataObj;
         node = node->GetNext();
     }
-
     return NULL;
 }
 
@@ -176,10 +173,18 @@ void* wxDataObjectComposite::SetSizeInBuffer( void* buffer, size_t size,
 
 #endif
 
-size_t wxDataObjectComposite::GetFormatCount(Direction WXUNUSED(dir)) const
+size_t wxDataObjectComposite::GetFormatCount(Direction dir) const
 {
-    // TODO what about the Get/Set only formats?
-    return m_dataObjects.GetCount();
+    size_t n = 0;
+
+    // NOTE: some wxDataObjectSimple objects may return a number greater than 1
+    //       from GetFormatCount(): this is the case of e.g. wxTextDataObject
+    //       under wxMac and wxGTK
+    wxSimpleDataObjectList::compatibility_iterator node;
+    for ( node = m_dataObjects.GetFirst(); node; node = node->GetNext() )
+        n += node->GetData()->GetFormatCount(dir);
+
+    return n;
 }
 
 void wxDataObjectComposite::GetAllFormats(wxDataFormat *formats,
@@ -190,8 +195,11 @@ void wxDataObjectComposite::GetAllFormats(wxDataFormat *formats,
 
     for ( node = m_dataObjects.GetFirst(); node; node = node->GetNext() )
     {
-      node->GetData()->GetAllFormats(formats+index,dir);
-      index += node->GetData()->GetFormatCount(dir);
+        // NOTE: some wxDataObjectSimple objects may return more than 1 format
+        //       from GetAllFormats(): this is the case of e.g. wxTextDataObject
+        //       under wxMac and wxGTK
+        node->GetData()->GetAllFormats(formats+index, dir);
+        index += node->GetData()->GetFormatCount(dir);
     }
 }
 
@@ -403,14 +411,16 @@ size_t wxTextDataObject::GetDataSize() const
 
 bool wxTextDataObject::GetDataHere(void *buf) const
 {
-    wxStrcpy( (wxChar*)buf, GetText().c_str() );
+    // NOTE: use wxTmemcpy() instead of wxStrncpy() to allow
+    //       retrieval of strings with embedded NULLs
+    wxTmemcpy( (wxChar*)buf, GetText().c_str(), GetTextLength() );
 
     return true;
 }
 
-bool wxTextDataObject::SetData(size_t WXUNUSED(len), const void *buf)
+bool wxTextDataObject::SetData(size_t len, const void *buf)
 {
-    SetText( wxString((const wxChar*)buf) );
+    SetText( wxString((const wxChar*)buf, len/sizeof(wxChar)) );
 
     return true;
 }