X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e3f6cbd99cd7c5b86742d56114b21da5b34a5c74..558820fd083635d3e1dc026a56b2f14870cb5c38:/include/wx/clipbrd.h

diff --git a/include/wx/clipbrd.h b/include/wx/clipbrd.h
index c749a4e675..886ac3871c 100644
--- a/include/wx/clipbrd.h
+++ b/include/wx/clipbrd.h
@@ -20,9 +20,9 @@
 #include "wx/object.h"
 #include "wx/chartype.h"
 
-class WXDLLEXPORT wxDataFormat;
-class WXDLLEXPORT wxDataObject;
-class WXDLLEXPORT wxClipboard;
+class WXDLLIMPEXP_FWD_CORE wxDataFormat;
+class WXDLLIMPEXP_FWD_CORE wxDataObject;
+class WXDLLIMPEXP_FWD_CORE wxClipboard;
 
 // ----------------------------------------------------------------------------
 // wxClipboard represents the system clipboard. Normally, you should use
@@ -35,7 +35,7 @@ class WXDLLEXPORT wxClipboard;
 class WXDLLEXPORT wxClipboardBase : public wxObject
 {
 public:
-    wxClipboardBase() {}
+    wxClipboardBase() { m_usePrimary = false; }
 
     // open the clipboard before Add/SetData() and GetData()
     virtual bool Open() = 0;
@@ -70,11 +70,28 @@ public:
     // eating memory), otherwise the clipboard will be emptied on exit
     virtual bool Flush() { return false; }
 
-    // X11 has two clipboards which get selected by this call. Empty on MSW.
-    virtual void UsePrimarySelection( bool WXUNUSED(primary) = false ) { }
+    // this allows to choose whether we work with CLIPBOARD (default) or
+    // PRIMARY selection on X11-based systems
+    //
+    // on the other ones, working with primary selection does nothing: this
+    // allows to write code which sets the primary selection when something is
+    // selected without any ill effects (i.e. without overwriting the
+    // clipboard which would be wrong on the platforms without X11 PRIMARY)
+    virtual void UsePrimarySelection(bool usePrimary = false)
+    {
+        m_usePrimary = usePrimary;
+    }
+
+    // return true if we're using primary selection
+    bool IsUsingPrimarySelection() const { return m_usePrimary; }
 
     // Returns global instance (wxTheClipboard) of the object:
     static wxClipboard *Get();
+
+
+    // don't use this directly, it is public for compatibility with some ports
+    // (wxX11, wxMotif, ...) only
+    bool m_usePrimary;
 };
 
 // ----------------------------------------------------------------------------