Return the old file descriptor/pointer from wx(F)File::Detach().

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

diff --git a/include/wx/caret.h b/include/wx/caret.h
index f7d91c76f86fdfa456817629ab320dcf637be124..e6e9728ff8f6e10bf850e1f5246927849db2fd9d 100644 (file)
--- a/include/wx/caret.h
+++ b/include/wx/caret.h
@@ -1,11 +1,10 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        caret.h
+// Name:        wx/caret.h
 // Purpose:     wxCaretBase class - the interface of wxCaret
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     23.05.99
-// RCS-ID:      $Id$
-// Copyright:   (c) wxWindows team
+// Copyright:   (c) wxWidgets team
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
@@ -16,16 +15,12 @@
 
 #if wxUSE_CARET
 
-#ifdef __GNUG__
-#pragma interface "caret.h"
-#endif
-
 // ---------------------------------------------------------------------------
 // forward declarations
 // ---------------------------------------------------------------------------
 
-class WXDLLEXPORT wxWindow;
-class WXDLLEXPORT wxWindowBase;
+class WXDLLIMPEXP_FWD_CORE wxWindow;
+class WXDLLIMPEXP_FWD_CORE wxWindowBase;
 
 // ----------------------------------------------------------------------------
 // headers we have to include
@@ -38,7 +33,7 @@ class WXDLLEXPORT wxWindowBase;
 // appear. It can be either a solid block or a custom bitmap (TODO)
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxCaretBase
+class WXDLLIMPEXP_CORE wxCaretBase
 {
 public:
     // ctors
@@ -61,6 +56,9 @@ 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 +116,7 @@ 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 +129,7 @@ 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
@@ -148,7 +146,7 @@ public:
     virtual void OnKillFocus() { }
 
 protected:
-    // these functions may be overriden in the derived classes, but they
+    // these functions may be overridden in the derived classes, but they
     // should call the base class version first
     virtual bool DoCreate(wxWindowBase *window, int width, int height)
     {
@@ -156,7 +154,7 @@ protected:
         m_width = width;
         m_height = height;
 
-        return TRUE;
+        return true;
     }
 
     // pure virtuals to implement in the derived class
@@ -168,7 +166,7 @@ protected:
     // the common initialization
     void Init()
     {
-        m_window = (wxWindowBase *)NULL;
+        m_window = NULL;
         m_x = m_y = 0;
         m_width = m_height = 0;
         m_countVisible = 0;
@@ -187,7 +185,7 @@ protected:
     int m_countVisible;
 
 private:
-    DECLARE_NO_COPY_CLASS(wxCaretBase)
+    wxDECLARE_NO_COPY_CLASS(wxCaretBase);
 };
 
 // ---------------------------------------------------------------------------
@@ -206,27 +204,48 @@ private:
 // avoid overdrawing the caret
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxCaretSuspend
+#ifdef wxHAS_CARET_USING_OVERLAYS
+
+// we don't need to hide the caret if it's rendered using overlays
+class WXDLLIMPEXP_CORE wxCaretSuspend
+{
+public:
+    wxCaretSuspend(wxWindow *WXUNUSED(win)) {}
+
+    wxDECLARE_NO_COPY_CLASS(wxCaretSuspend);
+};
+
+#else // !wxHAS_CARET_USING_OVERLAYS
+
+class WXDLLIMPEXP_CORE wxCaretSuspend
 {
 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;
+
+    wxDECLARE_NO_COPY_CLASS(wxCaretSuspend);
 };
 
+#endif // wxHAS_CARET_USING_OVERLAYS/!wxHAS_CARET_USING_OVERLAYS
+
 #endif // wxUSE_CARET
 
 #endif // _WX_CARET_H_BASE_
-