do not return true when no data is read by the stream in Load(wxInputStream,wxAnimati...

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

diff --git a/src/common/clipcmn.cpp b/src/common/clipcmn.cpp
index 6f380b5aaea65286eb49d1189a1668680da2e36c..f8134784e04fcd562e511b8756fdcc7effe563e4 100644 (file)
--- a/src/common/clipcmn.cpp
+++ b/src/common/clipcmn.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        common/clipcmn.cpp
+// Name:        src/common/clipcmn.cpp
 // Purpose:     common (to all ports) wxClipboard functions
 // Author:      Robert Roebling
 // Modified by:
@@ -24,10 +24,49 @@
     #pragma hdrstop
 #endif
 
+#if wxUSE_CLIPBOARD
+
 #include "wx/clipbrd.h"
-#include "wx/module.h"
 
-#if wxUSE_CLIPBOARD
+#ifndef WX_PRECOMP
+    #include "wx/dataobj.h"
+    #include "wx/module.h"
+#endif
+
+// ---------------------------------------------------------
+// wxClipboardEvent
+// ---------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxClipboardEvent,wxEvent)
+
+DEFINE_EVENT_TYPE(wxEVT_CLIPBOARD_CHANGED)
+
+bool wxClipboardEvent::SupportsFormat( const wxDataFormat &format ) const
+{ 
+#ifdef __WXGTK20__
+    // GTK has an asynchronnous API which reports
+    // the supported formats one by one. 
+    // We may have to add X11 and Motif later.
+    wxVector<wxDataFormat>::size_type n;
+    for (n = 0; n < m_formats.size(); n++)
+        { if (m_formats[n] == format) return true; }
+    return false;
+#else
+    // All other ports just query the clipboard directly
+    // from here
+    wxClipboard* clipboard = (wxClipboard*) GetEventObject();
+    return clipboard->IsSupported( format );
+#endif
+}     
+        
+void wxClipboardEvent::AddFormat( const wxDataFormat &format ) 
+{ 
+    m_formats.push_back( format );
+}
+
+// ---------------------------------------------------------
+// wxClipboardBase
+// ---------------------------------------------------------
 
 static wxClipboard *gs_clipboard = NULL;
 
@@ -40,6 +79,19 @@ static wxClipboard *gs_clipboard = NULL;
     return gs_clipboard;
 }
 
+bool wxClipboardBase::IsSupportedAsync( wxEvtHandler *sink )
+{
+    // We just imitate an asynchronous API on most platforms.
+    // This method is overridden uner GTK.
+    wxClipboardEvent *event = new wxClipboardEvent(wxEVT_CLIPBOARD_CHANGED);
+    event->SetEventObject( this );
+    
+    sink->QueueEvent( event );
+    
+    return true;
+}
+
+
 // ----------------------------------------------------------------------------
 // wxClipboardModule: module responsible for destroying the global clipboard
 // object