зеркало из https://github.com/mozilla/gecko-dev.git
95 строки
2.6 KiB
C++
95 строки
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the 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 Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef nsBoxLayout_h___
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#define nsBoxLayout_h___
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#include "nsLayout.h"
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#include "nsIXPFCCanvas.h"
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#include "nsIIterator.h"
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enum nsLayoutAlignment {
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eLayoutAlignment_none,
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eLayoutAlignment_horizontal,
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eLayoutAlignment_vertical,
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};
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class nsBoxLayout : public nsLayout
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{
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public:
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nsBoxLayout();
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NS_DECL_ISUPPORTS
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NS_IMETHOD Init();
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NS_IMETHOD Init(nsIXPFCCanvas * aContainer);
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NS_IMETHOD Layout();
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NS_IMETHOD PreferredSize(nsSize &aSize);
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NS_IMETHOD MinimumSize(nsSize &aSize);
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NS_IMETHOD MaximumSize(nsSize &aSize);
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NS_IMETHOD_(PRUint32) GetHorizontalGap();
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NS_IMETHOD_(PRUint32) GetVerticalGap();
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NS_IMETHOD_(void) SetHorizontalGap(PRUint32 aGapSize);
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NS_IMETHOD_(void) SetVerticalGap(PRUint32 aGapSize);
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NS_IMETHOD_(PRFloat64) GetHorizontalFill();
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NS_IMETHOD_(PRFloat64) GetVerticalFill();
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NS_IMETHOD_(void) SetHorizontalFill(PRFloat64 aFillSize);
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NS_IMETHOD_(void) SetVerticalFill(PRFloat64 aFillSize);
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protected:
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~nsBoxLayout();
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private:
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NS_IMETHOD LayoutContainer();
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NS_IMETHOD LayoutChildren();
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NS_IMETHOD CreateIterator(nsIIterator ** aIterator) ;
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private:
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nsIXPFCCanvas * mContainer;
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nsLayoutAlignment mLayoutAlignment;
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PRUint32 mVerticalGap;
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PRUint32 mHorizontalGap;
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PRFloat64 mVerticalFill;
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PRFloat64 mHorizontalFill;
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// XXX This needs to be put into an interface
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public:
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NS_IMETHOD_(nsLayoutAlignment) GetLayoutAlignment();
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NS_IMETHOD_(void) SetLayoutAlignment(nsLayoutAlignment aLayoutAlignment);
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private:
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NS_IMETHOD_(PRBool) CanLayoutUsingPreferredSizes(nsIIterator * aIterator);
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NS_IMETHOD_(PRInt32) ComputeFreeFloatingSpace(nsIIterator * aIterator);
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NS_IMETHOD_(PRUint32) QueryNumberFloatingWidgets(nsIIterator * aIterator);
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};
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#endif /* nsBoxLayout_h___ */
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