introduce wxBG_STYLE_{ERASE,PAINT} and implement their documented semantics in wxGTK

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

diff --git a/src/common/clipcmn.cpp b/src/common/clipcmn.cpp
index 09a62dc49664e49fb3dfef7d0cb7352f0d324e1a..133c18967a10edd0ab8c9524dcfb87a7021896bf 100644 (file)
--- a/src/common/clipcmn.cpp
+++ b/src/common/clipcmn.cpp
@@ -39,18 +39,48 @@
 
 IMPLEMENT_DYNAMIC_CLASS(wxClipboardEvent,wxEvent)
 
-DEFINE_EVENT_TYPE(wxEVT_CLIPBOARD_CHANGED)
+wxDEFINE_EVENT( wxEVT_CLIPBOARD_CHANGED, wxClipboardEvent );
+
+// notice that ctors are defined here and not inline to avoid having to include
+// wx/dataobj.h from wx/clipbrd.h
+wxClipboardEvent::wxClipboardEvent(wxEventType evtType)
+    : wxEvent(0, evtType)
+{
+}
+
+wxClipboardEvent::wxClipboardEvent(const wxClipboardEvent& event)
+    : wxEvent(event),
+      m_formats(event.m_formats)
+{
+}
+
+wxEvent* wxClipboardEvent::Clone() const
+{
+    return new wxClipboardEvent(*this);
+}
 
 bool wxClipboardEvent::SupportsFormat( const wxDataFormat &format ) const
-{ 
-    wxVector<wxDataFormat>::size_type n;
-    for (n = 0; n < m_formats.size(); n++)
-        { if (m_formats[n] == format) return true; }
+{
+#ifdef __WXGTK20__
+    // GTK has an asynchronous API which reports the supported formats one by
+    // one. We may have to add X11 and Motif later.
+    for (wxVector<wxDataFormat>::size_type n = 0; n < m_formats.size(); n++)
+    {
+        if (m_formats[n] == format)
+            return true;
+    }
+
     return false;
-}     
-        
-void wxClipboardEvent::AddFormat( const wxDataFormat &format ) 
-{ 
+#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 );
 }
 
@@ -69,6 +99,19 @@ 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