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145 lines
5.1 KiB
C++
145 lines
5.1 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: MPL 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 Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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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 Communicator client 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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* Peter Annema <disttsc@bart.nl>
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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 of the GNU General Public License Version 2 or later (the "GPL"),
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* or 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 MPL, 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 MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsTextBoxFrame_h___
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#define nsTextBoxFrame_h___
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#include "nsLeafBoxFrame.h"
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class nsAccessKeyInfo;
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class nsAsyncAccesskeyUpdate;
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typedef nsLeafBoxFrame nsTextBoxFrameSuper;
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class nsTextBoxFrame : public nsTextBoxFrameSuper
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{
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public:
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// nsIBox
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virtual nsSize GetPrefSize(nsBoxLayoutState& aBoxLayoutState);
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virtual nsSize GetMinSize(nsBoxLayoutState& aBoxLayoutState);
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virtual nscoord GetBoxAscent(nsBoxLayoutState& aBoxLayoutState);
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NS_IMETHOD DoLayout(nsBoxLayoutState& aBoxLayoutState);
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virtual void MarkIntrinsicWidthsDirty();
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enum CroppingStyle { CropNone, CropLeft, CropRight, CropCenter };
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friend nsIFrame* NS_NewTextBoxFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
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NS_IMETHOD Init(nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame* asPrevInFlow);
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virtual void Destroy();
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NS_IMETHOD AttributeChanged(PRInt32 aNameSpaceID,
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nsIAtom* aAttribute,
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PRInt32 aModType);
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#ifdef DEBUG
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NS_IMETHOD GetFrameName(nsAString& aResult) const;
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#endif
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void UpdateAttributes(nsIAtom* aAttribute,
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PRBool& aResize,
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PRBool& aRedraw);
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NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists);
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virtual ~nsTextBoxFrame();
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void PaintTitle(nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect,
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nsPoint aPt);
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protected:
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friend class nsAsyncAccesskeyUpdate;
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// Should be called only by nsAsyncAccesskeyUpdate.
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// Returns PR_TRUE if accesskey was updated.
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PRBool UpdateAccesskey(nsWeakFrame& aWeakThis);
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void UpdateAccessTitle();
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void UpdateAccessIndex();
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// REVIEW: SORRY! Couldn't resist devirtualizing these
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void LayoutTitle(nsPresContext* aPresContext,
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nsIRenderingContext& aRenderingContext,
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const nsRect& aRect);
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void CalculateUnderline(nsIRenderingContext& aRenderingContext);
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void CalcTextSize(nsBoxLayoutState& aBoxLayoutState);
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nsTextBoxFrame(nsIPresShell* aShell, nsStyleContext* aContext);
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void CalculateTitleForWidth(nsPresContext* aPresContext,
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nsIRenderingContext& aRenderingContext,
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nscoord aWidth);
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void GetTextSize(nsPresContext* aPresContext,
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nsIRenderingContext& aRenderingContext,
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const nsString& aString,
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nsSize& aSize,
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nscoord& aAscent);
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nsresult RegUnregAccessKey(PRBool aDoReg);
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private:
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PRBool AlwaysAppendAccessKey();
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PRBool InsertSeparatorBeforeAccessKey();
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CroppingStyle mCropType;
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nsString mTitle;
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nsString mCroppedTitle;
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nsString mAccessKey;
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nscoord mTitleWidth;
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nsAccessKeyInfo* mAccessKeyInfo;
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PRPackedBool mNeedsRecalc;
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PRPackedBool mReflowCallbackPosted;
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nsSize mTextSize;
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nscoord mAscent;
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static PRBool gAlwaysAppendAccessKey;
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static PRBool gAccessKeyPrefInitialized;
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static PRBool gInsertSeparatorBeforeAccessKey;
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static PRBool gInsertSeparatorPrefInitialized;
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}; // class nsTextBoxFrame
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#endif /* nsTextBoxFrame_h___ */
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