diff --git a/window.cpp b/window.cpp index 1358204d6f4e68e51a9ff71b076c4e6408b16461..d561512e819c06435e081332b887999f1ab63c69 100644 --- a/window.cpp +++ b/window.cpp @@ -20,7 +20,7 @@ Window::Window(QWidget *parent) connect(m_clearButton, SIGNAL(clicked()), this, SLOT(clearButtonClicked())); m_slider = new QSlider(this); - m_slider->setRange(0, 5000); + m_slider->setRange(5, 2000); m_slider->setOrientation(Qt::Horizontal); m_slider->setValue(m_delay); connect(m_slider, SIGNAL(valueChanged(int)), this, SLOT(setValue(int))); @@ -89,6 +89,10 @@ void Window::solveButtonClicked() delay(m_delay); if (backtracking) { + hist.back().cell->highlight("#0000ff"); + repaint(); // draw cells again + delay(m_delay); + hist.back().cell->clearHighlight(); hist.back().cell->un(); if (hist.back().index.size() == 0) { @@ -139,7 +143,7 @@ void Window::solveButtonClicked() c->highlight("#ff0000"); } repaint(); // draw cells again - delay(m_delay+20000); + delay(m_delay); for (auto &c : b) { c->clearHighlight();