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gecode
gist
layoutcursor.hpp
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
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/*
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* Main authors:
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* Guido Tack <tack@gecode.org>
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*
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* Copyright:
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* Guido Tack, 2006
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*
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* This file is part of Gecode, the generic constraint
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* development environment:
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* http://www.gecode.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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namespace
Gecode
{
namespace
Gist {
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forceinline
bool
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LayoutCursor::mayMoveDownwards
(
void
) {
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return
NodeCursor<VisualNode>::mayMoveDownwards
() &&
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node
()->
isDirty
();
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}
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inline
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LayoutCursor::LayoutCursor
(
VisualNode
* theNode,
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const
VisualNode::NodeAllocator
& na)
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:
NodeCursor
<
VisualNode
>(theNode,na) {}
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forceinline
void
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LayoutCursor::processCurrentNode
(
void
) {
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VisualNode
* currentNode =
node
();
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if
(currentNode->
isDirty
()) {
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if
(currentNode->
isHidden
()) {
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// do nothing
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}
else
if
(
false
&& currentNode->
getNumberOfChildren
() < 1) {
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currentNode->
setShape
(
Shape::leaf
);
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}
else
{
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currentNode->
computeShape
(
na
);
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}
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currentNode->
setDirty
(
false
);
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}
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if
(currentNode->
getNumberOfChildren
() >= 1)
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currentNode->
setChildrenLayoutDone
(
true
);
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}
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}}
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// STATISTICS: gist-any
Gecode::Gist::NodeCursor
A cursor that can be run over a tree.
Definition:
nodecursor.hh:43
Gecode::Gist::VisualNode::setShape
void setShape(Shape *s)
Set the shape of this node.
Definition:
visualnode.cpp:391
Gecode::Gist::VisualNode
Node class that supports visual layout
Definition:
visualnode.hh:125
Gecode::Gist::LayoutCursor::processCurrentNode
void processCurrentNode(void)
Compute layout for current node.
Definition:
layoutcursor.hpp:48
Gecode
Gecode toplevel namespace
Gecode::Gist::NodeCursor< VisualNode >::na
const Node::NodeAllocator & na
The node allocator.
Definition:
nodecursor.hh:53
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::LayoutCursor::mayMoveDownwards
bool mayMoveDownwards(void)
Test if the cursor may move to the first child node.
Definition:
layoutcursor.hpp:37
Gecode::Gist::VisualNode::setDirty
void setDirty(bool d)
Mark node as dirty.
Definition:
visualnode.hpp:158
Gecode::Gist::NodeAllocatorBase
Node allocator.
Definition:
node.hh:48
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::Node::getNumberOfChildren
unsigned int getNumberOfChildren(void) const
Return the number of children.
Definition:
node.hpp:214
Gecode::Gist::LayoutCursor::LayoutCursor
LayoutCursor(VisualNode *theNode, const VisualNode::NodeAllocator &na)
Constructor.
Definition:
layoutcursor.hpp:43
Gecode::Gist::VisualNode::isHidden
bool isHidden(void)
Return if node is hidden.
Definition:
visualnode.hpp:129
Gecode::Gist::Shape::leaf
static Shape * leaf
Static shape for leaf nodes.
Definition:
visualnode.hh:104
forceinline
#define forceinline
Definition:
config.hpp:192
Gecode::Gist::NodeCursor::mayMoveDownwards
bool mayMoveDownwards(void)
Test if cursor may move to the first child node.
Definition:
nodecursor.hpp:89
Gecode::Gist::NodeCursor< VisualNode >::node
VisualNode * node(void)
Return current node.
Definition:
nodecursor.hpp:46