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LISTGROU.H
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C/C++ Source or Header
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1980-01-05
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/*
* Copyright (c) 1987, 1988, 1989 Stanford University
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Stanford not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. Stanford makes no representations about
* the suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* STANFORD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
* IN NO EVENT SHALL STANFORD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
// $Header: listgroup.h,v 1.9 89/10/09 14:48:45 linton Exp $
// declares classes GroupNode and GroupList.
#ifndef listgroup_h
#define listgroup_h
#include "list.h"
// Declare imported types.
class PictSelection;
class SelectionList;
// A GroupNode contains a PictSelection pointer, a boolean value, and
// two SelectionList pointers.
class GroupNode : public BaseNode {
public:
GroupNode(PictSelection*, boolean, SelectionList*);
~GroupNode();
PictSelection* GetParent () { return parent; }
boolean GetHasChildren () { return haschildren; }
SelectionList* GetChildren () { return children; }
SelectionList* GetChildrenGS () { return childrengs; }
protected:
PictSelection* parent; // contains a Selection which may have children
boolean haschildren; // true if this parent has children
SelectionList* children; // lists the parent's children, if any
SelectionList* childrengs; // stores the children's orig. graphic states
};
// A GroupList manages a list of GroupNodes.
class GroupList : public BaseList {
public:
GroupNode* First();
GroupNode* Last();
GroupNode* Prev();
GroupNode* Next();
GroupNode* GetCur();
GroupNode* Index(int);
};
// Cast these functions to return GroupNodes instead of BaseNodes.
inline GroupNode* GroupList::First () {
return (GroupNode*) BaseList::First();
}
inline GroupNode* GroupList::Last () {
return (GroupNode*) BaseList::Last();
}
inline GroupNode* GroupList::Prev () {
return (GroupNode*) BaseList::Prev();
}
inline GroupNode* GroupList::Next () {
return (GroupNode*) BaseList::Next();
}
inline GroupNode* GroupList::GetCur () {
return (GroupNode*) BaseList::GetCur();
}
inline GroupNode* GroupList::Index (int index) {
return (GroupNode*) BaseList::Index(index);
}
#endif