Better support for unspecified property value in wxDateProperty and DatePickerCtrl...

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

diff --git a/include/wx/clipbrd.h b/include/wx/clipbrd.h
index d0e3495d14f2e5c9608b03a304a8f467d010511d..76371170c34fa0601f2390309b59c7b1e16acff6 100644 (file)
--- a/include/wx/clipbrd.h
+++ b/include/wx/clipbrd.h
@@ -6,26 +6,24 @@
 // Created:     19.10.99
 // RCS-ID:      $Id$
 // Copyright:   (c) wxWidgets Team
-// Licence:     wxWidgets licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_CLIPBRD_H_BASE_
 #define _WX_CLIPBRD_H_BASE_
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma interface "clipboardbase.h"
-#endif
-
 #include "wx/defs.h"
 
 #if wxUSE_CLIPBOARD
 
 
-#include "wx/object.h"
-#include "wx/wxchar.h"
+#include "wx/event.h"
+#include "wx/chartype.h"
+#include "wx/vector.h"
 
-class WXDLLEXPORT wxDataFormat;
-class WXDLLEXPORT wxDataObject;
+class WXDLLIMPEXP_FWD_CORE wxDataFormat;
+class WXDLLIMPEXP_FWD_CORE wxDataObject;
+class WXDLLIMPEXP_FWD_CORE wxClipboard;
 
 // ----------------------------------------------------------------------------
 // wxClipboard represents the system clipboard. Normally, you should use
@@ -35,10 +33,10 @@ class WXDLLEXPORT wxDataObject;
 // 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;
@@ -62,22 +60,82 @@ public:
     // ask if data in correct format is available
     virtual bool IsSupported( const wxDataFormat& format ) = 0;
 
+    // ask if data in correct format is available
+    virtual bool IsSupportedAsync( wxEvtHandler *sink );
+
     // fill data with data on the clipboard (if available)
     virtual bool GetData( wxDataObject& data ) = 0;
-    
+
     // clears wxTheClipboard and the system's clipboard if possible
     virtual void Clear() = 0;
 
     // flushes the clipboard: this means that the data which is currently on
     // clipboard will stay available even after the application exits (possibly
     // eating memory), otherwise the clipboard will be emptied on exit
-    virtual bool Flush() { return FALSE; }
+    virtual bool Flush() { return 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; }
 
-    // X11 has two clipboards which get selected by this call. Empty on MSW.
-    virtual void UsePrimarySelection( bool WXUNUSED(primary) = FALSE ) { }
+    // 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;
 };
 
+// ----------------------------------------------------------------------------
+// asynchronous clipboard event
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxClipboardEvent : public wxEvent
+{
+public:
+    wxClipboardEvent(wxEventType evtType = wxEVT_NULL);
+    wxClipboardEvent(const wxClipboardEvent& event);
+
+    bool SupportsFormat(const wxDataFormat& format) const;
+    void AddFormat(const wxDataFormat& format);
+
+    virtual wxEvent *Clone() const { return new wxClipboardEvent(*this); }
+
+protected:
+    wxVector<wxDataFormat> m_formats;
+
+private:
+    DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxClipboardEvent)
+};
+
+wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_CLIPBOARD_CHANGED, wxClipboardEvent )
+
+typedef void (wxEvtHandler::*wxClipboardEventFunction)(wxClipboardEvent&);
+
+#define wxClipboardEventHandler(func) \
+    wxEVENT_HANDLER_CAST(wxClipboardEventFunction, func)
+
+#define EVT_CLIPBOARD_CHANGED(func) wx__DECLARE_EVT0(wxEVT_CLIPBOARD_CHANGED, wxClipboardEventHandler(func))
+
+// ----------------------------------------------------------------------------
+// globals
+// ----------------------------------------------------------------------------
+
+// The global clipboard object - backward compatible access macro:
+#define wxTheClipboard   (wxClipboard::Get())
+
 // ----------------------------------------------------------------------------
 // include platform-specific class declaration
 // ----------------------------------------------------------------------------
@@ -86,32 +144,27 @@ 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__)
     #include "wx/mgl/clipbrd.h"
 #elif defined(__WXMAC__)
-    #include "wx/mac/clipbrd.h"
+    #include "wx/osx/clipbrd.h"
 #elif defined(__WXCOCOA__)
     #include "wx/cocoa/clipbrd.h"
 #elif defined(__WXPM__)
     #include "wx/os2/clipbrd.h"
 #endif
 
-// ----------------------------------------------------------------------------
-// globals
-// ----------------------------------------------------------------------------
-
-// The global clipboard object
-WXDLLEXPORT_DATA(extern wxClipboard *) wxTheClipboard;
-
 // ----------------------------------------------------------------------------
 // helpful class for opening the clipboard and automatically closing it
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxClipboardLocker
+class WXDLLIMPEXP_CORE wxClipboardLocker
 {
 public:
     wxClipboardLocker(wxClipboard *clipboard = (wxClipboard *)NULL)