38#if defined(GECODE_HAS_QT) && defined(GECODE_HAS_GIST)
40#if QT_VERSION >= 0x050000
68 :
Script(opt),
q(*this,opt.size(),0,opt.size()-1) {
69 const int n =
q.size();
70 switch (opt.propagation()) {
72 for (int i = 0; i<n; i++)
73 for (int j = i+1; j<n; j++) {
74 rel(*this, q[i] != q[j]);
75 rel(*this, q[i]+i != q[j]+j);
76 rel(*this, q[i]-i != q[j]-j);
80 for (
int i = 0; i<n; i++)
81 for (
int j = i+1; j<n; j++) {
82 rel(*
this,
q[i]+i !=
q[j]+j);
83 rel(*
this,
q[i]-i !=
q[j]-j);
111 for (
int i = 0; i <
q.size(); i++) {
114 os << std::endl <<
"\t";
120#if defined(GECODE_HAS_QT) && defined(GECODE_HAS_GIST)
125 QGraphicsScene* scene;
129 static const int unit = 20;
132 QueensInspector(
void) : scene(NULL), mw(NULL) {}
134 virtual void inspect(
const Space& s) {
135 const Queens& q =
static_cast<const Queens&
>(s);
139 QList <QGraphicsItem*> itemList = scene->items();
140 foreach (QGraphicsItem* i, scene->items()) {
141 scene->removeItem(i);
145 for (
int i=0;
i<q.
q.
size();
i++) {
146 for (
int j=0; j<q.
q.
size(); j++) {
147 scene->addRect(i*unit,j*unit,unit,unit);
149 QBrush
b(q.
q[i].
assigned() ? Qt::black : Qt::red);
150 QPen p(q.
q[i].
assigned() ? Qt::black : Qt::white);
151 for (IntVarValues xv(q.
q[i]); xv(); ++xv) {
152 scene->addEllipse(QRectF(i*unit+unit/4,xv.val()*unit+unit/4,
153 unit/2,unit/2), p, b);
160 void initialize(
void) {
161 mw =
new QMainWindow();
162 scene =
new QGraphicsScene();
163 QGraphicsView* view =
new QGraphicsView(scene);
164 view->setRenderHints(QPainter::Antialiasing);
165 mw->setCentralWidget(view);
166 mw->setAttribute(Qt::WA_QuitOnClose,
false);
167 mw->setAttribute(Qt::WA_DeleteOnClose,
false);
168 QAction* closeWindow =
new QAction(
"Close window", mw);
169 closeWindow->setShortcut(QKeySequence(
"Ctrl+W"));
170 mw->connect(closeWindow, SIGNAL(triggered()),
172 mw->addAction(closeWindow);
176 virtual std::string
name(
void) {
return "Board"; }
196 "only binary disequality constraints");
198 "single distinct and binary disequality constraints");
200 "three distinct constraints");
202#if defined(GECODE_HAS_QT) && defined(GECODE_HAS_GIST)
204 opt.inspect.click(&ki);
207 opt.
parse(argc,argv);
static void run(const Options &opt, Script *s=NULL)
Abstract base class for inspectors.
virtual void inspect(const Space &s)=0
Call-back function.
virtual void finalize(void)
Clean up when Gist exits.
virtual std::string name(void)
Name of the inspector.
static IntArgs create(int n, int start, int inc=1)
Allocate array with n elements such that for all .
Options for scripts with additional size parameter
bool assigned(void) const
Test if all variables are assigned.
int size(void) const
Return size of array (number of elements)
virtual Space * copy(void)
Perform copying during cloning.
int main(int argc, char *argv[])
Main-function.
Queens(const SizeOptions &opt)
The actual problem.
Queens(Queens &s)
Constructor for cloning s.
virtual void print(std::ostream &os) const
Print solution.
IntVarArray q
Position of queens on boards.
@ PROP_DISTINCT
Use three distinct constraints.
@ PROP_BINARY
Use only binary disequality constraints.
@ PROP_MIXED
Use single distinct and binary disequality constraints.
void parse(int argc, char *argv[])
Parse commandline arguments.
Driver::ScriptBase< Driver::IgnoreStepOption< Space > > Script
Base-class for scripts.
void branch(Home home, const FloatVarArgs &x, FloatVarBranch vars, FloatValBranch vals, FloatBranchFilter bf=nullptr, FloatVarValPrint vvp=nullptr)
Branch over x with variable selection vars and value selection vals.
void rel(Home home, FloatVar x0, FloatRelType frt, FloatVar x1)
Post propagator for .
Gecode toplevel namespace
void distinct(Home home, const IntVarArgs &x, IntPropLevel ipl=IPL_DEF)
Post propagator for for all .
IntValBranch INT_VAL_MIN(void)
Select smallest value.
IntVarBranch INT_VAR_SIZE_MIN(BranchTbl tbl=nullptr)
Select variable with smallest domain size.
Gecode::FloatVal b(9, 12)
Gecode::IntArgs i({1, 2, 3, 4})