[OS/2] Bug 430163: Implement GetToggledKeyState, r=pweilbacher

widget/src/os2/nsWindow.cpp

@@ -3448,6 +3448,33 @@ void nsWindow::RemoveFromStyle( ULONG style)
    }
 }
 
+// --------------------------------------------------------------------------
+
+NS_IMETHODIMP nsWindow::GetToggledKeyState(PRUint32 aKeyCode, PRBool* aLEDState)
+{
+  PRUint32  vkey;
+
+  NS_ENSURE_ARG_POINTER(aLEDState);
+
+  switch (aKeyCode) {
+    case NS_VK_CAPS_LOCK:
+      vkey = VK_CAPSLOCK;
+      break;
+    case NS_VK_NUM_LOCK:
+      vkey = VK_NUMLOCK;
+      break;
+    case NS_VK_SCROLL_LOCK:
+      vkey = VK_SCRLLOCK;
+      break;
+    default:
+      *aLEDState = PR_FALSE;
+      return NS_OK;
+  }
+
+  *aLEDState = (::WinGetKeyState(HWND_DESKTOP, vkey) & 1) != 0;
+  return NS_OK;
+}
+
 // --------------------------------------------------------------------------
 // Drag & Drop - Target methods
 // --------------------------------------------------------------------------

widget/src/os2/nsWindow.h

@@ -173,6 +173,7 @@ class nsWindow : public nsBaseWidget,
    NS_IMETHOD              Invalidate( const nsIntRect & aRect, PRBool aIsSynchronous);
    NS_IMETHOD              Update();
    NS_IMETHOD              Scroll( PRInt32 aDx, PRInt32 aDy, nsIntRect *aClipRect);
+   NS_IMETHOD              GetToggledKeyState(PRUint32 aKeyCode, PRBool* aLEDState);
 
    // Get a HWND or a HPS.
    virtual void  *GetNativeData( PRUint32 aDataType);