///////////////////////////////////////////////////////////////////////////////
-// 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
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_CARET_H_BASE_
#define _WX_CARET_H_BASE_
-#ifdef __GNUG__
-#pragma interface "caret.h"
-#endif
+#include "wx/defs.h"
+
+#if wxUSE_CARET
// ---------------------------------------------------------------------------
// forward declarations
// ---------------------------------------------------------------------------
-class WXDLLEXPORT wxWindow;
-class WXDLLEXPORT wxWindowBase;
+class WXDLLIMPEXP_FWD_CORE wxWindow;
+class WXDLLIMPEXP_FWD_CORE wxWindowBase;
// ----------------------------------------------------------------------------
// headers we have to include
// appear. It can be either a solid block or a custom bitmap (TODO)
// ----------------------------------------------------------------------------
-class WXDLLEXPORT wxCaretBase
+class WXDLLIMPEXP_CORE wxCaretBase
{
public:
// ctors
(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
// --------------------------------------------------------------
// 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 )
{
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
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)
{
m_width = width;
m_height = height;
- return TRUE;
+ return true;
}
// pure virtuals to implement in the derived class
// 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;
int m_countVisible;
private:
- DECLARE_NO_COPY_CLASS(wxCaretBase);
+ wxDECLARE_NO_COPY_CLASS(wxCaretBase);
};
// ---------------------------------------------------------------------------
#include "wx/generic/caret.h"
#endif // platform
-#endif // _WX_CARET_H_BASE_
+// ----------------------------------------------------------------------------
+// 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 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();
+ 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;
+
+ wxDECLARE_NO_COPY_CLASS(wxCaretSuspend);
+};
+
+#endif // wxHAS_CARET_USING_OVERLAYS/!wxHAS_CARET_USING_OVERLAYS
+
+#endif // wxUSE_CARET
+
+#endif // _WX_CARET_H_BASE_