#ifndef _WX_CARET_H_BASE_
#define _WX_CARET_H_BASE_
+#include "wx/defs.h"
+
+#if wxUSE_CARET
+
+#ifdef __GNUG__
+#pragma interface "caret.h"
+#endif
+
// ---------------------------------------------------------------------------
// forward declarations
// ---------------------------------------------------------------------------
class WXDLLEXPORT wxWindow;
class WXDLLEXPORT wxWindowBase;
-// ---------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
+// headers we have to include
+// ----------------------------------------------------------------------------
+
+#include "wx/gdicmn.h" // for wxPoint, wxSize
+
+// ----------------------------------------------------------------------------
// A caret is a blinking cursor showing the position where the typed text will
// appear. It can be either a solid block or a custom bitmap (TODO)
-// ---------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
class WXDLLEXPORT wxCaretBase
{
// is the caret valid?
bool IsOk() const { return m_width != 0 && m_height != 0; }
+ // is the caret currently shown?
+ bool IsVisible() const { return m_countVisible > 0; }
+
// get the caret position
void GetPosition(int *x, int *y) const
{
// 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
// ----------
virtual void DoShow() = 0;
virtual void DoHide() = 0;
virtual void DoMove() = 0;
+ virtual void DoSize() { }
// the common initialization
void Init()
int m_countVisible;
private:
- DECLARE_NO_COPY_CLASS(wxCaretBase);
+ DECLARE_NO_COPY_CLASS(wxCaretBase)
};
// ---------------------------------------------------------------------------
// now include the real thing
// ---------------------------------------------------------------------------
-#ifdef __WXMSW__
+#if defined(__WXMSW__)
#include "wx/msw/caret.h"
#else
- // not implemented yet
- typedef wxCaretBase wxCaret;
+ #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
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxCaretSuspend
+{
+public:
+ wxCaretSuspend(wxWindow *win)
+ {
+ m_caret = win->GetCaret();
+ if ( m_caret )
+ m_caret->Hide();
+ }
+
+ ~wxCaretSuspend()
+ {
+ if ( m_caret )
+ m_caret->Show();
+ }
+
+private:
+ wxCaret *m_caret;
+};
+
+#endif // wxUSE_CARET
+
#endif // _WX_CARET_H_BASE_