void Board::drawConnection(int timeout)
{
if(connection.empty())
return;
// lighten the fields
updateField(connection.front().x, connection.front().y);
updateField(connection.back().x, connection.back().y);
QPainter p;
p.begin(this);
p.setPen(QPen(QColor("red"), tiles.lineWidth()));
// Path.size() will always be >= 2
Path::const_iterator pathEnd = connection.end();
Path::const_iterator pt1 = connection.begin();
Path::const_iterator pt2 = pt1;
++pt2;
while(pt2 != pathEnd)
{
p.drawLine( midCoord(pt1->x, pt1->y), midCoord(pt2->x, pt2->y) );
++pt1;
++pt2;
}
p.flush();
p.end();
QTimer::singleShot(timeout, this, SLOT(undrawConnection()));
}
void Board::drawArrow(int x1, int y1, int x2, int y2) {
if(trying)
return;
// find out number of array
int num = 0;
while(num < 4 && history[num].x != -2)
num++;
// lighten the fields
// remember mark_x,mark_y
int mx = mark_x, my = mark_y;
mark_x = x1; mark_y = y1;
updateField(x1, y1);
mark_x = x2; mark_y = y2;
updateField(x2, y2);
// restore the mark
mark_x = mx;
mark_y = my;
QPainter p;
p.begin(this);
p.setPen(QPen(QColor("red"), 6));
num = 0;
while(num < 3 && history[num+1].x != -2) {
p.drawLine(midCoord(history[num].x, history[num].y),
midCoord(history[num+1].x, history[num+1].y));
num++;
}
p.flush();
p.end();
QTimer::singleShot(getDelay(), this, SLOT(undrawArrow()));
}
