moved all wxDialog event handlers to wxDialogBase to avoid code duplication

(sixplication?) among ports; as a side effect added public wxDialog methods to
wxDialogBase as well and moved EndDialog() (previously implemented by wxMSW,
wxMotif, wxMac and wxCocoa but not the other ports) to wxDialogBase too


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@40687 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/os2/dialog.h

@@ -65,23 +65,6 @@ public:
     // override some base class virtuals
     virtual bool Show(bool show = true);
 
-    //
-    // Event handlers
-    //
-    void OnCloseWindow(wxCloseEvent& rEvent);
-
-    //
-    // Standard buttons
-    //
-    void     OnOK(wxCommandEvent& rEvent);
-    void     OnApply(wxCommandEvent& rEvent);
-    void     OnCancel(wxCommandEvent& rEvent);
-
-    //
-    // Responds to colour changes
-    //
-    void     OnSysColourChanged(wxSysColourChangedEvent& rEvent);
-
     //
     // Callbacks
     //
@@ -125,9 +108,6 @@ protected:
     //
     void Init(void);
 
-    // end either modal or modeless dialog
-    void EndDialog(int rc);
-
 private:
     wxWindow*                       m_pOldFocus;
     bool        m_endModalCalled; // allow for closing within InitDialog