CW8.3+ has ssize_t (patch 1492413)

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

diff --git a/include/wx/caret.h b/include/wx/caret.h
index e88f6c96ca56a5d9dfc9d86a66e6b5c52225b677..8cff8f2f48b6cb9ab54db5aa633c6b7e2d3b1edb 100644 (file)
--- a/include/wx/caret.h
+++ b/include/wx/caret.h
@@ -5,13 +5,17 @@
 // Modified by:
 // Created:     23.05.99
 // RCS-ID:      $Id$
 // Modified by:
 // Created:     23.05.99
 // RCS-ID:      $Id$

-// Copyright:   (c) wxWindows team
+// Copyright:   (c) wxWidgets team

 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_CARET_H_BASE_
 #define _WX_CARET_H_BASE_
 
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_CARET_H_BASE_
 #define _WX_CARET_H_BASE_
 

+#include "wx/defs.h"
+
+#if wxUSE_CARET
+

 // ---------------------------------------------------------------------------
 // forward declarations
 // ---------------------------------------------------------------------------
 // ---------------------------------------------------------------------------
 // forward declarations
 // ---------------------------------------------------------------------------


@@ -53,6 +57,9 @@ public:
         (void)Create(window, size);
     }
 
         (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
     // --------------------------------------------------------------
 
     // Create() functions - same as ctor but returns the success code
     // --------------------------------------------------------------
 


@@ -91,6 +98,15 @@ public:
         // get the window we're associated with
     wxWindow *GetWindow() const { return (wxWindow *)m_window; }
 
         // get the window we're associated with
     wxWindow *GetWindow() const { return (wxWindow *)m_window; }
 

+        // change the size of the caret
+    void SetSize(int width, int height) {
+        m_width = width;
+        m_height = height;
+        DoSize();
+    }
+    void SetSize(const wxSize& size) { SetSize(size.x, size.y); }
+
+

     // operations
     // ----------
 
     // operations
     // ----------
 


@@ -101,7 +117,7 @@ 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
         // 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 )
             {
         {
             if ( show )
             {


@@ -114,7 +130,7 @@ public:
                     DoHide();
             }
         }
                     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
 
         // blink time is measured in milliseconds and is the time elapsed
         // between 2 inversions of the caret (blink time of the caret is common


@@ -139,13 +155,14 @@ protected:
         m_width = width;
         m_height = height;
 
         m_width = width;
         m_height = height;
 

-        return TRUE;
+        return true;

     }
 
     // pure virtuals to implement in the derived class
     virtual void DoShow() = 0;
     virtual void DoHide() = 0;
     virtual void DoMove() = 0;
     }
 
     // pure virtuals to implement in the derived class
     virtual void DoShow() = 0;
     virtual void DoHide() = 0;
     virtual void DoMove() = 0;

+    virtual void DoSize() { }

 
     // the common initialization
     void Init()
 
     // the common initialization
     void Init()


@@ -169,7 +186,7 @@ protected:
     int m_countVisible;
 
 private:
     int m_countVisible;
 
 private:

-    DECLARE_NO_COPY_CLASS(wxCaretBase);
+    DECLARE_NO_COPY_CLASS(wxCaretBase)

 };
 
 // ---------------------------------------------------------------------------
 };
 
 // ---------------------------------------------------------------------------


@@ -182,5 +199,55 @@ private:
     #include "wx/generic/caret.h"
 #endif // platform
 
     #include "wx/generic/caret.h"
 #endif // platform
 

+// ----------------------------------------------------------------------------
+// wxCaretSuspend: a simple class which hides the caret in its ctor and
+// restores it in the dtor, this should be used when drawing on the screen to
+// avoid overdrawing the caret
+// ----------------------------------------------------------------------------
+
+#ifdef wxHAS_CARET_USING_OVERLAYS
+
+// we don't need to hide the caret if it's rendered using overlays
+class WXDLLEXPORT wxCaretSuspend
+{
+public:
+    wxCaretSuspend(wxWindow *WXUNUSED(win)) {}
+
+    DECLARE_NO_COPY_CLASS(wxCaretSuspend)
+};
+
+#else // !wxHAS_CARET_USING_OVERLAYS
+
+class WXDLLEXPORT wxCaretSuspend
+{
+public:
+    wxCaretSuspend(wxWindow *win)
+    {
+        m_caret = win->GetCaret();
+        m_show = false;
+        if ( m_caret && m_caret->IsVisible() )
+        {
+            m_caret->Hide();
+            m_show = true;
+        }
+    }
+
+    ~wxCaretSuspend()
+    {
+        if ( m_caret && m_show )
+            m_caret->Show();
+    }
+
+private:
+    wxCaret *m_caret;
+    bool     m_show;
+
+    DECLARE_NO_COPY_CLASS(wxCaretSuspend)
+};
+
+#endif // wxHAS_CARET_USING_OVERLAYS/!wxHAS_CARET_USING_OVERLAYS
+
+#endif // wxUSE_CARET
+

 #endif // _WX_CARET_H_BASE_
 
 #endif // _WX_CARET_H_BASE_