http://code.google.com/p/rpcs3/source/detail?r=44

wxWidgets/include/wx/univ/inpcons.h

@@ -0,0 +1,153 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/univ/inpcons.h
+// Purpose:     wxInputConsumer: mix-in class for input handling
+// Author:      Vadim Zeitlin
+// Modified by:
+// Created:     14.08.00
+// RCS-ID:      $Id: inpcons.h 61872 2009-09-09 22:37:05Z VZ $
+// Copyright:   (c) 2000 SciTech Software, Inc. (www.scitechsoft.com)
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_UNIV_INPCONS_H_
+#define _WX_UNIV_INPCONS_H_
+
+class WXDLLEXPORT wxInputHandler;
+class WXDLLEXPORT wxWindow;
+
+#include "wx/object.h"
+#include "wx/event.h"
+
+// ----------------------------------------------------------------------------
+// wxControlAction: the action is currently just a string which identifies it,
+// later it might become an atom (i.e. an opaque handler to string).
+// ----------------------------------------------------------------------------
+
+typedef wxString wxControlAction;
+
+// the list of actions which apply to all controls (other actions are defined
+// in the controls headers)
+
+#define wxACTION_NONE    wxT("")           // no action to perform
+
+// ----------------------------------------------------------------------------
+// wxInputConsumer: mix-in class for handling wxControlActions (used by
+// wxControl and wxTopLevelWindow).
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxInputConsumer
+{
+public:
+    wxInputConsumer() { m_inputHandler = NULL; }
+    virtual ~wxInputConsumer() { }
+
+    // get the input handler
+    wxInputHandler *GetInputHandler() const { return m_inputHandler; }
+
+    // perform a control-dependent action: an action may have an optional
+    // numeric and another (also optional) string argument whose interpretation
+    // depends on the action
+    //
+    // NB: we might use ellipsis in PerformAction() declaration but this
+    //     wouldn't be more efficient than always passing 2 unused parameters
+    //     but would be more difficult. Another solution would be to have
+    //     several overloaded versions but this will expose the problem of
+    //     virtual function hiding we don't have here.
+    virtual bool PerformAction(const wxControlAction& action,
+                               long numArg = -1l,
+                               const wxString& strArg = wxEmptyString);
+
+    // get the window to work with (usually the class wxInputConsumer was mixed into)
+    virtual wxWindow *GetInputWindow() const = 0;
+
+    // this function must be implemented in any classes process input (i.e. not
+    // static controls) to create the standard input handler for the concrete
+    // class deriving from this mix-in
+    //
+    // the parameter is the default input handler which should receive all
+    // unprocessed input (i.e. typically handlerDef is passed to
+    // wxStdInputHandler ctor) or it may be NULL
+    //
+    // the returned pointer will not be deleted by caller so it must either
+    // point to a static object or be deleted on program termination
+    virtual wxInputHandler *DoGetStdInputHandler(wxInputHandler *handlerDef);
+
+
+protected:
+    // event handlers
+    void OnMouse(wxMouseEvent& event);
+    void OnKeyDown(wxKeyEvent& event);
+    void OnKeyUp(wxKeyEvent& event);
+    void OnFocus(wxFocusEvent& event);
+    void OnActivate(wxActivateEvent& event);
+
+    // create input handler by name, fall back to GetStdInputHandler() if
+    // the current theme doesn't define any specific handler of this type
+    void CreateInputHandler(const wxString& inphandler);
+
+private:
+    // the input processor (we never delete it)
+    wxInputHandler *m_inputHandler;
+};
+
+
+// ----------------------------------------------------------------------------
+// macros which must be used by the classes derived from wxInputConsumer mix-in
+// ----------------------------------------------------------------------------
+
+// declare the methods to be forwarded
+#define WX_DECLARE_INPUT_CONSUMER() \
+private: \
+    void OnMouse(wxMouseEvent& event); \
+    void OnKeyDown(wxKeyEvent& event); \
+    void OnKeyUp(wxKeyEvent& event); \
+    void OnFocus(wxFocusEvent& event); \
+public: /* because of docview :-( */ \
+    void OnActivate(wxActivateEvent& event); \
+private:
+
+// implement the event table entries for wxControlContainer
+#define WX_EVENT_TABLE_INPUT_CONSUMER(classname) \
+    EVT_KEY_DOWN(classname::OnKeyDown) \
+    EVT_KEY_UP(classname::OnKeyUp) \
+    EVT_MOUSE_EVENTS(classname::OnMouse) \
+    EVT_SET_FOCUS(classname::OnFocus) \
+    EVT_KILL_FOCUS(classname::OnFocus) \
+    EVT_ACTIVATE(classname::OnActivate)
+
+// Forward event handlers to wxInputConsumer
+//
+// (We can't use them directly, because wxIC has virtual methods, which forces
+// the compiler to include (at least) two vtables into wxControl, one for the
+// wxWindow-wxControlBase-wxControl branch and one for the wxIC mix-in.
+// Consequently, the "this" pointer has different value when in wxControl's
+// and wxIC's method, even though the instance stays same. This doesn't matter
+// so far as member pointers aren't used, but that's not wxControl's case.
+// When we add an event table entry (= use a member pointer) pointing to
+// wxIC's OnXXX method, GCC compiles code that executes wxIC::OnXXX with the
+// version of "this" that belongs to wxControl, not wxIC! In our particular
+// case, the effect is that m_handler is NULL (probably same memory
+// area as the_other_vtable's_this->m_refObj) and input handling doesn't work.)
+#define WX_FORWARD_TO_INPUT_CONSUMER(classname) \
+    void classname::OnMouse(wxMouseEvent& event) \
+    { \
+        wxInputConsumer::OnMouse(event); \
+    } \
+    void classname::OnKeyDown(wxKeyEvent& event) \
+    { \
+        wxInputConsumer::OnKeyDown(event); \
+    } \
+    void classname::OnKeyUp(wxKeyEvent& event) \
+    { \
+        wxInputConsumer::OnKeyUp(event); \
+    } \
+    void classname::OnFocus(wxFocusEvent& event) \
+    { \
+        wxInputConsumer::OnFocus(event); \
+    } \
+    void classname::OnActivate(wxActivateEvent& event) \
+    { \
+        wxInputConsumer::OnActivate(event); \
+    }
+
+#endif // _WX_UNIV_INPCONS_H_