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nsLabel.h
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00017  * The Initial Developer of the Original Code is
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00037 
00038 #ifndef nsLabel_h__
00039 #define nsLabel_h__
00040 
00041 #include "nsdefs.h"
00042 #include "nsWindow.h"
00043 #include "nsSwitchToUIThread.h"
00044 
00045 #include "nsILabel.h"
00046 
00051 class nsLabel :  public nsWindow,
00052                  public nsILabel
00053 {
00054 
00055 public:
00056   friend nsresult NS_NewLabel(nsILabel** aControl);
00057 
00058   nsLabel();
00059   virtual ~nsLabel();
00060 
00061    // nsISupports
00062   NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr);                           
00063   NS_IMETHOD_(nsrefcnt) AddRef(void);                                       
00064   NS_IMETHOD_(nsrefcnt) Release(void);          
00065 
00066   // nsILabel part
00067   NS_IMETHOD SetLabel(const nsString &aText);
00068   NS_IMETHOD GetLabel(nsString &aBuffer);
00069   NS_IMETHOD SetAlignment(nsLabelAlignment aAlignment);
00070 
00071   virtual PRBool OnMove(PRInt32 aX, PRInt32 aY);
00072   virtual PRBool OnPaint();
00073   virtual PRBool OnResize(nsRect &aWindowRect);
00074 
00075   NS_IMETHOD   GetBounds(nsRect &aRect);
00076   NS_IMETHOD   PreCreateWidget(nsWidgetInitData *aInitData);
00077 
00078   NS_IMETHOD GetPreferredSize(PRInt32& aWidth, PRInt32& aHeight);
00079   NS_IMETHOD SetPreferredSize(PRInt32 aWidth, PRInt32 aHeight);
00080 
00081 protected:
00082   nsLabelAlignment mAlignment;
00083 
00084   virtual LPCWSTR WindowClassW();
00085   virtual LPCTSTR WindowClass();
00086   virtual DWORD   WindowStyle();
00087   virtual DWORD   WindowExStyle();
00088 
00089 };
00090 
00091 #endif // nsLabel_h__