Fixed dangling pointers bug; radio button was not removing itself from

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

diff --git a/include/wx/caret.h b/include/wx/caret.h
index f7d91c76f86fdfa456817629ab320dcf637be124..ed761aacc3b2cd46273dcdb059ea903c15bfdd1f 100644 (file)
--- a/include/wx/caret.h
+++ b/include/wx/caret.h
@@ -5,7 +5,7 @@
 // Modified by:
 // Created:     23.05.99
 // RCS-ID:      $Id$
-// Copyright:   (c) wxWindows team
+// Copyright:   (c) wxWidgets team
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
@@ -16,7 +16,7 @@
 
 #if wxUSE_CARET
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma interface "caret.h"
 #endif
 
@@ -61,6 +61,9 @@ public:
         (void)Create(window, size);
     }
 
+    // a virtual dtor has been provided since this class has virtual members
+    virtual ~wxCaretBase() { }
+
     // Create() functions - same as ctor but returns the success code
     // --------------------------------------------------------------
 
@@ -118,7 +121,7 @@ public:
         // show/hide the caret (should be called by wxWindow when needed):
         // Show() must be called as many times as Hide() + 1 to make the caret
         // visible
-    virtual void Show(bool show = TRUE)
+    virtual void Show(bool show = true)
         {
             if ( show )
             {
@@ -131,7 +134,7 @@ public:
                     DoHide();
             }
         }
-    virtual void Hide() { Show(FALSE); }
+    virtual void Hide() { Show(false); }
 
         // blink time is measured in milliseconds and is the time elapsed
         // between 2 inversions of the caret (blink time of the caret is common
@@ -156,7 +159,7 @@ protected:
         m_width = width;
         m_height = height;
 
-        return TRUE;
+        return true;
     }
 
     // pure virtuals to implement in the derived class
@@ -212,18 +215,25 @@ public:
     wxCaretSuspend(wxWindow *win)
     {
         m_caret = win->GetCaret();
-        if ( m_caret )
+        m_show = false;
+        if ( m_caret && m_caret->IsVisible() )
+        {
             m_caret->Hide();
+            m_show = true;
+        }
     }
 
     ~wxCaretSuspend()
     {
-        if ( m_caret )
+        if ( m_caret && m_show )
             m_caret->Show();
     }
 
 private:
     wxCaret *m_caret;
+    bool     m_show;
+
+    DECLARE_NO_COPY_CLASS(wxCaretSuspend)
 };
 
 #endif // wxUSE_CARET