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131 lines
4.3 KiB
C++
131 lines
4.3 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: 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.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 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 nsFormControlFrame_h___
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#define nsFormControlFrame_h___
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#include "nsIFormControlFrame.h"
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#include "nsLeafFrame.h"
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/**
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* nsFormControlFrame is the base class for radio buttons and
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* checkboxes. It also has two static methods (RegUnRegAccessKey and
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* GetScreenHeight) that are used by other form controls.
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*/
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class nsFormControlFrame : public nsLeafFrame,
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public nsIFormControlFrame
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{
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public:
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/**
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* Main constructor
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* @param aContent the content representing this frame
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* @param aParentFrame the parent frame
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*/
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nsFormControlFrame(nsStyleContext*);
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virtual bool IsFrameOfType(PRUint32 aFlags) const
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{
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return nsLeafFrame::IsFrameOfType(aFlags &
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~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
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}
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NS_DECL_QUERYFRAME
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NS_DECL_FRAMEARENA_HELPERS
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/**
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* Respond to a gui event
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* @see nsIFrame::HandleEvent
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*/
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NS_IMETHOD HandleEvent(nsPresContext* aPresContext,
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nsGUIEvent* aEvent,
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nsEventStatus* aEventStatus);
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virtual nscoord GetBaseline() const;
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/**
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* Respond to the request to resize and/or reflow
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* @see nsIFrame::Reflow
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*/
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NS_IMETHOD Reflow(nsPresContext* aCX,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus);
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virtual void DestroyFrom(nsIFrame* aDestructRoot);
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// new behavior
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virtual void SetFocus(bool aOn = true, bool aRepaint = false);
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// nsIFormControlFrame
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virtual nsresult SetFormProperty(nsIAtom* aName, const nsAString& aValue);
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virtual nsresult GetFormProperty(nsIAtom* aName, nsAString& aValue) const;
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// AccessKey Helper function
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static nsresult RegUnRegAccessKey(nsIFrame * aFrame, bool aDoReg);
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/**
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* Returns the usable screen rect in app units, eg the rect where we can
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* draw dropdowns.
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*/
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static nsRect GetUsableScreenRect(nsPresContext* aPresContext);
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protected:
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virtual ~nsFormControlFrame();
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virtual nscoord GetIntrinsicWidth();
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virtual nscoord GetIntrinsicHeight();
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//
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//-------------------------------------------------------------------------------------
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// Utility methods for managing checkboxes and radiobuttons
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//-------------------------------------------------------------------------------------
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//
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/**
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* Get the state of the checked attribute.
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* @param aState set to true if the checked attribute is set,
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* false if the checked attribute has been removed
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*/
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void GetCurrentCheckState(bool* aState);
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};
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#endif
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