157 lines
		
	
	
		
			4.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			157 lines
		
	
	
		
			4.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| ///////////////////////////////////////////////////////////////////////////////
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| // Name:        wx/msw/menuitem.h
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| // Purpose:     wxMenuItem class
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| // Author:      Vadim Zeitlin
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| // Modified by:
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| // Created:     11.11.97
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| // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
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| // Licence:     wxWindows licence
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| ///////////////////////////////////////////////////////////////////////////////
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| 
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| #ifndef   _MENUITEM_H
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| #define   _MENUITEM_H
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| 
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| // ----------------------------------------------------------------------------
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| // headers
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| // ----------------------------------------------------------------------------
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| 
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| #include "wx/bitmap.h"
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| 
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| #if wxUSE_OWNER_DRAWN
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|     #include "wx/ownerdrw.h"
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| 
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|     struct tagRECT;
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| #endif
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| 
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| // ----------------------------------------------------------------------------
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| // wxMenuItem: an item in the menu, optionally implements owner-drawn behaviour
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| // ----------------------------------------------------------------------------
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| 
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| class WXDLLIMPEXP_CORE wxMenuItem : public wxMenuItemBase
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| #if wxUSE_OWNER_DRAWN
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|                              , public wxOwnerDrawn
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| #endif
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| {
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| public:
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|     // ctor & dtor
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|     wxMenuItem(wxMenu *parentMenu = NULL,
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|                int id = wxID_SEPARATOR,
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|                const wxString& name = wxEmptyString,
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|                const wxString& help = wxEmptyString,
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|                wxItemKind kind = wxITEM_NORMAL,
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|                wxMenu *subMenu = NULL);
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|     virtual ~wxMenuItem();
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| 
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|     // override base class virtuals
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|     virtual void SetItemLabel(const wxString& strName) wxOVERRIDE;
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| 
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|     virtual void Enable(bool bDoEnable = true) wxOVERRIDE;
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|     virtual void Check(bool bDoCheck = true) wxOVERRIDE;
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|     virtual bool IsChecked() const wxOVERRIDE;
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| 
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|     // unfortunately needed to resolve ambiguity between
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|     // wxMenuItemBase::IsCheckable() and wxOwnerDrawn::IsCheckable()
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|     bool IsCheckable() const { return wxMenuItemBase::IsCheckable(); }
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| 
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|     // the id for a popup menu is really its menu handle (as required by
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|     // ::AppendMenu() API), so this function will return either the id or the
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|     // menu handle depending on what we are
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|     //
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|     // notice that it also returns the id as an unsigned int, as required by
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|     // Win32 API
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|     WXWPARAM GetMSWId() const;
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| 
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| #if WXWIN_COMPATIBILITY_2_8
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|     // compatibility only, don't use in new code
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|     wxDEPRECATED(
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|     wxMenuItem(wxMenu *parentMenu,
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|                int id,
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|                const wxString& text,
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|                const wxString& help,
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|                bool isCheckable,
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|                wxMenu *subMenu = NULL)
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|     );
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| #endif
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| 
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|     void SetBitmaps(const wxBitmap& bmpChecked,
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|                     const wxBitmap& bmpUnchecked = wxNullBitmap)
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|     {
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|         DoSetBitmap(bmpChecked, true);
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|         DoSetBitmap(bmpUnchecked, false);
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|     }
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| 
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|     void SetBitmap(const wxBitmap& bmp, bool bChecked = true)
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|     {
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|         DoSetBitmap(bmp, bChecked);
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|     }
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| 
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|     const wxBitmap& GetBitmap(bool bChecked = true) const
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|         { return (bChecked ? m_bmpChecked : m_bmpUnchecked); }
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| 
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| #if wxUSE_OWNER_DRAWN
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|     void SetDisabledBitmap(const wxBitmap& bmpDisabled)
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|     {
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|         m_bmpDisabled = bmpDisabled;
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|         SetOwnerDrawn(true);
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|     }
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| 
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|     const wxBitmap& GetDisabledBitmap() const
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|         { return m_bmpDisabled; }
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| 
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|     int MeasureAccelWidth() const;
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| 
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|     // override wxOwnerDrawn base class virtuals
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|     virtual wxString GetName() const wxOVERRIDE;
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|     virtual bool OnMeasureItem(size_t *pwidth, size_t *pheight) wxOVERRIDE;
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|     virtual bool OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus stat) wxOVERRIDE;
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| 
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| protected:
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|     virtual void GetFontToUse(wxFont& font) const wxOVERRIDE;
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|     virtual void GetColourToUse(wxODStatus stat, wxColour& colText, wxColour& colBack) const wxOVERRIDE;
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| 
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| private:
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|     // helper function for draw std menu check mark
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|     void DrawStdCheckMark(WXHDC hdc, const tagRECT* rc, wxODStatus stat);
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| 
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|     // helper function to determine if the item must be owner-drawn
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|     bool MSWMustUseOwnerDrawn();
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| #endif // wxUSE_OWNER_DRAWN
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| 
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|     enum BitmapKind
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|     {
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|         Normal,
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|         Checked,
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|         Unchecked
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|     };
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| 
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|     // helper function to get a handle for bitmap associated with item
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|     WXHBITMAP GetHBitmapForMenu(BitmapKind kind) const;
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| 
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|     // helper function to set/change the bitmap
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|     void DoSetBitmap(const wxBitmap& bmp, bool bChecked);
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| 
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| private:
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|     // common part of all ctors
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|     void Init();
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| 
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|     // Return the item position in the menu containing it.
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|     //
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|     // Returns -1 if the item is not attached to a menu or if we can't find its
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|     // position (which is not really supposed to ever happen).
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|     int MSGetMenuItemPos() const;
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| 
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|     // item bitmaps
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|     wxBitmap m_bmpChecked,     // bitmap to put near the item
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|              m_bmpUnchecked;   // (checked is used also for 'uncheckable' items)
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| #if wxUSE_OWNER_DRAWN
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|     wxBitmap m_bmpDisabled;
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| #endif // wxUSE_OWNER_DRAWN
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| 
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|     // Give wxMenu access to our MSWMustUseOwnerDrawn() and GetHBitmapForMenu().
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|     friend class wxMenu;
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| 
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|     wxDECLARE_DYNAMIC_CLASS_NO_COPY(wxMenuItem);
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| };
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| 
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| #endif  //_MENUITEM_H
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