fix some warnings from GCC -Wextra

[wxWidgets.git] / include / wx / clipbrd.h

diff --git a/include/wx/clipbrd.h b/include/wx/clipbrd.h
index a9173a8bca0a3fc1a0e4cdecc8bf270540ebbb4a..9977256a31d4407a435cf59080c6b90c5ba0dcd0 100644 (file)
--- a/include/wx/clipbrd.h
+++ b/include/wx/clipbrd.h
@@ -18,11 +18,11 @@
 
 
 #include "wx/object.h"
-#include "wx/wxchar.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
@@ -32,10 +32,10 @@ class WXDLLEXPORT wxClipboard;
 // with wxDataObject.
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxClipboardBase : public wxObject
+class WXDLLIMPEXP_CORE 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;
 };
 
 // ----------------------------------------------------------------------------
@@ -92,8 +109,10 @@ public:
     #include "wx/msw/clipbrd.h"
 #elif defined(__WXMOTIF__)
     #include "wx/motif/clipbrd.h"
-#elif defined(__WXGTK__)
+#elif defined(__WXGTK20__)
     #include "wx/gtk/clipbrd.h"
+#elif defined(__WXGTK__)
+    #include "wx/gtk1/clipbrd.h"
 #elif defined(__WXX11__)
     #include "wx/x11/clipbrd.h"
 #elif defined(__WXMGL__)
@@ -110,7 +129,7 @@ public:
 // helpful class for opening the clipboard and automatically closing it
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxClipboardLocker
+class WXDLLIMPEXP_CORE wxClipboardLocker
 {
 public:
     wxClipboardLocker(wxClipboard *clipboard = (wxClipboard *)NULL)