layoutcursor.hpp
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Guido Tack <tack@gecode.org>
*
* Copyright:
* Guido Tack, 2006
*
* This file is part of Gecode, the generic constraint
* development environment:
* http://www.gecode.org
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
namespace Gecode { namespace Gist {
forceinline bool
LayoutCursor::mayMoveDownwards(void) {
return NodeCursor<VisualNode>::mayMoveDownwards() &&
node()->isDirty();
}
inline
LayoutCursor::LayoutCursor(VisualNode* theNode,
const VisualNode::NodeAllocator& na)
: NodeCursor<VisualNode>(theNode,na) {}
forceinline void
LayoutCursor::processCurrentNode(void) {
VisualNode* currentNode = node();
if (currentNode->isDirty()) {
if (currentNode->isHidden()) {
// do nothing
} else if (false && currentNode->getNumberOfChildren() < 1) {
currentNode->setShape(Shape::leaf);
} else {
currentNode->computeShape(na);
}
currentNode->setDirty(false);
}
if (currentNode->getNumberOfChildren() >= 1)
currentNode->setChildrenLayoutDone(true);
}
}}
// STATISTICS: gist-any
Gecode::Gist::LayoutCursor::processCurrentNode
void processCurrentNode(void)
Compute layout for current node.
Definition layoutcursor.hpp:48
Gecode::Gist::LayoutCursor::mayMoveDownwards
bool mayMoveDownwards(void)
Test if the cursor may move to the first child node.
Definition layoutcursor.hpp:37
Gecode::Gist::LayoutCursor::LayoutCursor
LayoutCursor(VisualNode *theNode, const VisualNode::NodeAllocator &na)
Constructor.
Definition layoutcursor.hpp:43
Gecode::Gist::NodeCursor< VisualNode >::na
const VisualNode::NodeAllocator & na
Definition nodecursor.hh:53
Gecode::Gist::NodeCursor< VisualNode >::NodeCursor
NodeCursor(VisualNode *theNode, const typename VisualNode::NodeAllocator &na)
Definition nodecursor.hpp:38
Gecode::Gist::NodeCursor< VisualNode >::node
void node(VisualNode *n)
Definition nodecursor.hpp:62
Gecode::Gist::NodeCursor::mayMoveDownwards
bool mayMoveDownwards(void)
Test if cursor may move to the first child node.
Definition nodecursor.hpp:89
Gecode::Gist::Node::NodeAllocator
NodeAllocatorBase< VisualNode > NodeAllocator
Definition node.hh:143
Gecode::Gist::Node::getNumberOfChildren
unsigned int getNumberOfChildren(void) const
Return the number of children.
Definition node.hpp:214
Gecode::Gist::Shape::leaf
static Shape * leaf
Static shape for leaf nodes.
Definition visualnode.hh:104
Gecode::Gist::VisualNode
Node class that supports visual layout
Definition visualnode.hh:125
Gecode::Gist::VisualNode::setShape
void setShape(Shape *s)
Set the shape of this node.
Definition visualnode.cpp:391
Gecode::Gist::VisualNode::isHidden
bool isHidden(void)
Return if node is hidden.
Definition visualnode.hpp:129
Gecode::Gist::VisualNode::computeShape
void computeShape(const NodeAllocator &na)
Compute the shape according to the shapes of the children.
Definition visualnode.cpp:399
Gecode::Gist::VisualNode::setDirty
void setDirty(bool d)
Mark node as dirty.
Definition visualnode.hpp:158
Gecode::Gist::VisualNode::isDirty
bool isDirty(void)
Return whether node is marked as dirty.
Definition visualnode.hpp:153
Gecode::Gist::VisualNode::setChildrenLayoutDone
void setChildrenLayoutDone(bool d)
Mark node whether the layout of the node's children has been completed.
Definition visualnode.hpp:168
Gecode::Gist
The Gecode Interactive Search Tool.
Gecode
Gecode toplevel namespace
forceinline
#define forceinline
Definition config.hpp:187