Warning fix.

[wxWidgets.git] / include / wx / univ / inpcons.h

diff --git a/include/wx/univ/inpcons.h b/include/wx/univ/inpcons.h
index 381497a89dac5d8c9e3f743fc5c652d96c1560ed..28f6b7ee5261bf760a4ae441801a5cdbba78142e 100644 (file)
--- a/include/wx/univ/inpcons.h
+++ b/include/wx/univ/inpcons.h
@@ -31,7 +31,7 @@ typedef wxString wxControlAction;
 #define wxACTION_NONE    _T("")           // no action to perform
 
 // ----------------------------------------------------------------------------
-// wxInputConsumer: mix-in class for handling wxControlActions (used by 
+// wxInputConsumer: mix-in class for handling wxControlActions (used by
 // wxControl and wxTopLevelWindow).
 // ----------------------------------------------------------------------------
 
@@ -39,6 +39,7 @@ class WXDLLEXPORT wxInputConsumer
 {
 public:
     wxInputConsumer() { m_inputHandler = NULL; }
+    virtual ~wxInputConsumer() {}
 
     // get the input handler
     wxInputHandler *GetInputHandler() const { return m_inputHandler; }
@@ -98,18 +99,18 @@ private:
     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 
+// (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) \