RetroZilla/layout/forms/nsIListControlFrame.h
2015-10-20 23:03:22 -04:00

137 lines
3.8 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsIListControlFrame_h___
#define nsIListControlFrame_h___
#include "nsISupports.h"
#include "nsFont.h"
class nsPresContext;
class nsAString;
class nsIContent;
// IID for the nsIListControlFrame class
#define NS_ILISTCONTROLFRAME_IID \
{ 0xf44db101, 0xa73c, 0x11d2, \
{ 0x8d, 0xcf, 0x0, 0x60, 0x97, 0x3, 0xc1, 0x4e } }
/**
* nsIListControlFrame is the interface for frame-based listboxes.
*/
class nsIListControlFrame : public nsISupports {
public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_ILISTCONTROLFRAME_IID)
/**
* Sets the ComboBoxFrame
*
*/
NS_IMETHOD SetComboboxFrame(nsIFrame* aComboboxFrame) = 0;
/**
* Get the display string for an item
*/
NS_IMETHOD GetOptionText(PRInt32 aIndex, nsAString & aStr) = 0;
/**
* Get the Selected Item's index
*
*/
NS_IMETHOD GetSelectedIndex(PRInt32* aIndex) = 0;
/**
* Initiates mouse capture for the listbox
*
*/
NS_IMETHOD CaptureMouseEvents(nsPresContext* aPresContext, PRBool aGrabMouseEvents) = 0;
/**
* Returns the maximum width and height of an item in the listbox
*/
NS_IMETHOD GetMaximumSize(nsSize &aSize) = 0;
/**
* Returns the number of options in the listbox
*/
NS_IMETHOD GetNumberOfOptions(PRInt32* aNumOptions) = 0;
/**
*
*/
NS_IMETHOD SyncViewWithFrame() = 0;
/**
* Called by combobox when it's about to drop down
*/
NS_IMETHOD AboutToDropDown() = 0;
/**
* Called by combobox when it's about to roll up
*/
NS_IMETHOD AboutToRollup() = 0;
/**
* Fire on change (used by combobox)
*/
NS_IMETHOD FireOnChange() = 0;
/**
*
*/
NS_IMETHOD SetOverrideReflowOptimization(PRBool aValue) = 0;
/**
* Return the the frame that the options will be inserted into
*/
NS_IMETHOD GetOptionsContainer(nsPresContext* aPresContext,
nsIFrame** aFrame) = 0;
/**
* Tell the selected list to roll up and ensure that the proper index is
* selected, possibly firing onChange if the index has changed
*
* @param aIndex the index to actually select
*/
NS_IMETHOD ComboboxFinish(PRInt32 aIndex) = 0;
};
#endif