gecko-dev/layout/forms/nsIComboboxControlFrame.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef nsIComboboxControlFrame_h___
#define nsIComboboxControlFrame_h___
#include "nsISupports.h"
#include "nsFont.h"
class nsFormFrame;
class nsIPresContext;
class nsString;
class nsIContent;
class nsVoidArray;
// IID for the nsIComboboxControlFrame class
#define NS_ICOMBOBOXCONTROLFRAME_IID \
{ 0x6961f791, 0xa662, 0x11d2, \
{ 0x8d, 0xcf, 0x0, 0x60, 0x97, 0x3, 0xc1, 0x4e } }
/**
* nsIComboboxControlFrame is the common interface for frames of form controls. It
* provides a uniform way of creating widgets, resizing, and painting.
* @see nsLeafFrame and its base classes for more info
*/
class nsIComboboxControlFrame : public nsISupports {
public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_ICOMBOBOXCONTROLFRAME_IID)
/**
* Indicates whether the list is dropped down
*
*/
NS_IMETHOD IsDroppedDown(PRBool * aDoDropDown) = 0;
/**
* Shows or hides the drop down
*
*/
NS_IMETHOD ShowDropDown(PRBool aDoDropDown) = 0;
/**
* Gets the Drop Down List
*
*/
NS_IMETHOD GetDropDown(nsIFrame** aDropDownFrame) = 0;
/**
* Sets the Drop Down List
*
*/
NS_IMETHOD SetDropDown(nsIFrame* aDropDownFrame) = 0;
/**
* Notifies the Combobox the List was selected
*
*/
NS_IMETHOD ListWasSelected(nsIPresContext* aPresContext) = 0;
/**
* Asks the Combobox to update the display frame
* aDoDispatchEvent - indicates whether an event should be dispatched to the DOM
* aForceUpdate - indicates whether the indexx and the text value should both be
* whether the index has changed or not.
*
*/
NS_IMETHOD UpdateSelection(PRBool aDoDispatchEvent, PRBool aForceUpdate, PRInt32 aNewIndex) = 0;
/**
* Asks the Combobox to update the display frame when the selection has
* changed
*
*/
NS_IMETHOD SelectionChanged() = 0;
/**
*
*/
NS_IMETHOD AbsolutelyPositionDropDown() = 0;
/**
*
*/
NS_IMETHOD GetAbsoluteRect(nsRect* aRect) = 0;
};
#endif