#include "wx/defs.h"
+class WXDLLIMPEXP_FWD_CORE wxWindow;
+class WXDLLIMPEXP_FWD_CORE wxWindowBase;
+
/*
Implementation note: wxControlContainer is not a real mix-in but rather
a class meant to be aggregated with (and not inherited from). Although
// do accept focus initially, we'll stop doing it if/when any children
// are added
m_acceptsFocus = true;
+ m_inSetFocus = false;
+ m_winLastFocused = NULL;
}
+ virtual ~wxControlContainerBase() {}
void SetContainerWindow(wxWindow *winParent)
{
m_winParent = winParent;
}
+ // should be called from SetFocus(), returns false if we did nothing with
+ // the focus and the default processing should take place
+ bool DoSetFocus();
+
// should be called when we decide that we should [stop] accepting focus
void SetCanFocus(bool acceptsFocus);
// returns whether we should accept focus ourselves or not
bool AcceptsFocus() const { return m_acceptsFocus; }
- // call this when the number of children of the window changes
- void UpdateCanFocus() { SetCanFocus(ShouldAcceptFocus()); }
+ // returns whether we or one of our children accepts focus: we always do
+ // because if we don't have any focusable children it probably means that
+ // we're not being used as a container at all (think of wxGrid or generic
+ // wxListCtrl) and so should get focus for ourselves
+ bool AcceptsFocusRecursively() const { return true; }
+
+ // this is used to determine whether we can accept focus when Tab or
+ // another navigation key is pressed -- we alsways can, for the same reason
+ // as mentioned above for AcceptsFocusRecursively()
+ bool AcceptsFocusFromKeyboard() const { return true; }
+
+ // Call this when the number of children of the window changes.
+ // If we have any children, this panel (used just as container for
+ // them) shouldn't get focus for itself.
+ void UpdateCanFocus() { SetCanFocus(!HasAnyFocusableChildren()); }
protected:
- // return true if we should be focusable
- bool ShouldAcceptFocus() const;
+ // set the focus to the child which had it the last time
+ virtual bool SetFocusToChild();
+
+ // return true if we have any children accepting focus
+ bool HasAnyFocusableChildren() const;
-private:
// the parent window we manage the children for
wxWindow *m_winParent;
+ // the child which had the focus last time this panel was activated
+ wxWindow *m_winLastFocused;
+
+private:
// value returned by AcceptsFocus(), should be changed using SetCanFocus()
// only
bool m_acceptsFocus;
+
+ // a guard against infinite recursion
+ bool m_inSetFocus;
};
// common part of WX_DECLARE_CONTROL_CONTAINER in the native and generic cases,
#define WX_DECLARE_CONTROL_CONTAINER_BASE() \
public: \
virtual bool AcceptsFocus() const; \
+ virtual bool AcceptsFocusRecursively() const; \
+ virtual bool AcceptsFocusFromKeyboard() const; \
virtual void AddChild(wxWindowBase *child); \
virtual void RemoveChild(wxWindowBase *child); \
+ virtual void SetFocus(); \
void SetFocusIgnoringChildren(); \
void AcceptFocus(bool acceptFocus) \
{ \
m_container.UpdateCanFocus(); \
} \
\
+ bool classname::AcceptsFocusRecursively() const \
+ { \
+ return m_container.AcceptsFocusRecursively(); \
+ } \
+ \
+ void classname::SetFocus() \
+ { \
+ if ( !m_container.DoSetFocus() ) \
+ basename::SetFocus(); \
+ } \
+ \
bool classname::AcceptsFocus() const \
{ \
return m_container.AcceptsFocus(); \
+ } \
+ \
+ bool classname::AcceptsFocusFromKeyboard() const \
+ { \
+ return m_container.AcceptsFocusFromKeyboard(); \
}
-
#ifdef wxHAS_NATIVE_TAB_TRAVERSAL
// ----------------------------------------------------------------------------
// this must be a real class as we forward-declare it elsewhere
class WXDLLEXPORT wxControlContainer : public wxControlContainerBase
{
+protected:
+ // set the focus to the child which had it the last time
+ virtual bool SetFocusToChild();
};
#define WX_EVENT_TABLE_CONTROL_CONTAINER(classname)
\
void classname::SetFocusIgnoringChildren() \
{ \
- SetFocus(); \
+ basename::SetFocus(); \
}
#else // !wxHAS_NATIVE_TAB_TRAVERSAL
-class WXDLLEXPORT wxFocusEvent;
-class WXDLLEXPORT wxNavigationKeyEvent;
-class WXDLLEXPORT wxWindow;
-class WXDLLEXPORT wxWindowBase;
+class WXDLLIMPEXP_FWD_CORE wxFocusEvent;
+class WXDLLIMPEXP_FWD_CORE wxNavigationKeyEvent;
// ----------------------------------------------------------------------------
// wxControlContainer for TAB navigation implemented in wx itself
void HandleOnFocus(wxFocusEvent& event);
void HandleOnWindowDestroy(wxWindowBase *child);
- // should be called from SetFocus(), returns false if we did nothing with
- // the focus and the default processing should take place
- bool DoSetFocus();
-
- // can our child get the focus?
- bool AcceptsFocus() const;
-
// called from OnChildFocus() handler, i.e. when one of our (grand)
// children gets the focus
void SetLastFocus(wxWindow *win);
protected:
- // set the focus to the child which had it the last time
- bool SetFocusToChild();
-
- // the child which had the focus last time this panel was activated
- wxWindow *m_winLastFocused;
-
- // a guard against infinite recursion
- bool m_inSetFocus;
DECLARE_NO_COPY_CLASS(wxControlContainer)
};
-// this function is for wxWidgets internal use only
-extern bool wxSetFocusToChild(wxWindow *win, wxWindow **child);
-
// ----------------------------------------------------------------------------
// macros which may be used by the classes wishing to implement TAB navigation
// among their children
// ----------------------------------------------------------------------------
// declare the methods to be forwarded
-#define WX_DECLARE_CONTROL_CONTAINER() \
-public: \
- void OnNavigationKey(wxNavigationKeyEvent& event); \
- void OnFocus(wxFocusEvent& event); \
- void SetFocusIgnoringChildren(); \
- virtual void OnChildFocus(wxChildFocusEvent& event); \
- virtual void SetFocus(); \
- virtual void RemoveChild(wxWindowBase *child); \
- virtual bool AcceptsFocus() const; \
-\
-protected: \
- wxControlContainer m_container
+#define WX_DECLARE_CONTROL_CONTAINER() \
+ WX_DECLARE_CONTROL_CONTAINER_BASE(); \
+ \
+public: \
+ void OnNavigationKey(wxNavigationKeyEvent& event); \
+ void OnFocus(wxFocusEvent& event); \
+ virtual void OnChildFocus(wxChildFocusEvent& event)
// implement the event table entries for wxControlContainer
#define WX_EVENT_TABLE_CONTROL_CONTAINER(classname) \
m_container.HandleOnNavigationKey(event); \
} \
\
- void classname::SetFocus() \
- { \
- if ( !m_container.DoSetFocus() ) \
- basename::SetFocus(); \
- } \
- \
void classname::SetFocusIgnoringChildren() \
{ \
basename::SetFocus(); \
void classname::OnChildFocus(wxChildFocusEvent& event) \
{ \
m_container.SetLastFocus(event.GetWindow()); \
+ event.Skip(); \
} \
\
void classname::OnFocus(wxFocusEvent& event) \
{ \
m_container.HandleOnFocus(event); \
- }
+ }
#endif // wxHAS_NATIVE_TAB_TRAVERSAL/!wxHAS_NATIVE_TAB_TRAVERSAL
+// this function is for wxWidgets internal use only
+extern bool wxSetFocusToChild(wxWindow *win, wxWindow **child);
+
#endif // _WX_CONTAINR_H_
projects / wxWidgets.git / blobdiff