94 lines
3.3 KiB
C++
94 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsScrollbar_h__
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#define nsScrollbar_h__
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#include "nsdefs.h"
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#include "nsWindow.h"
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#include "nsSwitchToUIThread.h"
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#include "nsIScrollbar.h"
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/**
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* Native WIN32 scrollbar wrapper.
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*/
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class nsScrollbar : public nsWindow,
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public nsIScrollbar
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{
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public:
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nsScrollbar(PRBool aIsVertical);
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virtual ~nsScrollbar();
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// nsISupports
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NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr);
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NS_IMETHOD_(nsrefcnt) AddRef(void);
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NS_IMETHOD_(nsrefcnt) Release(void);
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// nsIScrollBar implementation
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NS_IMETHOD SetMaxRange(PRUint32 aEndRange);
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NS_IMETHOD GetMaxRange(PRUint32& aMaxRange);
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NS_IMETHOD SetPosition(PRUint32 aPos);
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NS_IMETHOD GetPosition(PRUint32& aPos);
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NS_IMETHOD SetThumbSize(PRUint32 aSize);
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NS_IMETHOD GetThumbSize(PRUint32& aSize);
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NS_IMETHOD SetLineIncrement(PRUint32 aSize);
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NS_IMETHOD GetLineIncrement(PRUint32& aSize);
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NS_IMETHOD SetParameters(PRUint32 aMaxRange, PRUint32 aThumbSize,
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PRUint32 aPosition, PRUint32 aLineIncrement);
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virtual PRBool OnPaint();
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virtual PRBool OnScroll(UINT scrollCode, int cPos);
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virtual PRBool OnResize(nsRect &aWindowRect);
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NS_IMETHOD GetBounds(nsRect &aRect);
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protected:
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virtual LPCTSTR WindowClass();
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virtual DWORD WindowStyle();
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virtual DWORD WindowExStyle();
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private:
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DWORD mPositionFlag;
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int mLineIncrement;
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float mScaleFactor;
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};
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#endif // nsButton_h__
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