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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.
*
*/
#ifndef GECODE_GIST_QT_DRAWINGCURSOR_HH
#define GECODE_GIST_QT_DRAWINGCURSOR_HH
#include <gecode/gist/nodecursor.hh>
#include <gecode/gist/layoutcursor.hh>
#include <QtGui>
namespace Gecode { namespace Gist {
/// \brief A cursor that draws a tree on a QWidget
class DrawingCursor : public NodeCursor<VisualNode> {
private:
/// The painter where the tree is drawn
QPainter& painter;
/// The clipping area
QRect clippingRect;
/// The best solution (for branch-and-bound)
BestNode* curBest;
/// The current coordinates
double x, y;
bool copies;
/// Test if current node is clipped
bool isClipped(void);
public:
/// The color for failed nodes
static const QColor red;
/// The color for solved nodes
static const QColor green;
/// The color for choice nodes
static const QColor blue;
/// The color for the best solution
static const QColor orange;
/// White color
static const QColor white;
/// The color for expanded failed nodes
static const QColor lightRed;
/// The color for expanded solved nodes
static const QColor lightGreen;
/// The color for expanded choice nodes
static const QColor lightBlue;
/// Constructor
DrawingCursor(VisualNode* root,
const VisualNode::NodeAllocator& na,
BestNode* curBest0,
QPainter& painter0,
const QRect& clippingRect0, bool showCopies);
///\name Cursor interface
//@{
/// Move cursor to parent
void moveUpwards(void);
/// Test if cursor may move to child
bool mayMoveDownwards(void);
/// Move cursor to child
void moveDownwards(void);
/// Move cursor to sibling
void moveSidewards(void);
/// Draw the node
void processCurrentNode(void);
//@}
};
}}
#include <gecode/gist/drawingcursor.hpp>
#endif
// STATISTICS: gist-any
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