void Widget::mouseMoved(float, float)
{
if (m_MouseHover == false)
mouseEnteredWidget();
m_MouseHover = true;
}
void Slider::mouseMoved(sf::Vector2f pos)
{
pos -= getPosition();
if (!m_mouseHover)
mouseEnteredWidget();
// Check if the mouse button is down
if (m_mouseDown)
{
// Check in which direction the slider goes
if (m_verticalScroll)
{
// Check if the click occurred on the track
if (!m_mouseDownOnThumb)
{
m_mouseDownOnThumb = true;
m_mouseDownOnThumbPos.x = pos.x - m_thumb.left;
m_mouseDownOnThumbPos.y = m_thumb.height / 2.0f;
}
// Set the new value
if (pos.y - m_mouseDownOnThumbPos.y + (m_thumb.height / 2.0f) > 0)
setValue(m_maximum - static_cast<int>((((pos.y + (m_thumb.height / 2.0f) - m_mouseDownOnThumbPos.y) / getSize().y) * (m_maximum - m_minimum)) + 0.5f));
else
setValue(m_maximum);
// Set the thumb position for smooth scrolling
const float thumbTop = pos.y - m_mouseDownOnThumbPos.y;
if ((thumbTop + (m_thumb.height / 2.0f) > 0) && (thumbTop + (m_thumb.height / 2.0f) < getSize().y))
m_thumb.top = thumbTop;
else
m_thumb.top = (getSize().y / (m_maximum - m_minimum) * (m_maximum - m_value)) - (m_thumb.height / 2.0f);
}
else // the slider lies horizontal
{
// Check if the click occurred on the track
if (!m_mouseDownOnThumb)
{
m_mouseDownOnThumb = true;
m_mouseDownOnThumbPos.x = m_thumb.width / 2.0f;
m_mouseDownOnThumbPos.y = pos.y - m_thumb.top;
}
// Set the new value
if (pos.x - m_mouseDownOnThumbPos.x + (m_thumb.width / 2.0f) > 0)
setValue(static_cast<int>((((pos.x + (m_thumb.width / 2.0f) - m_mouseDownOnThumbPos.x) / getSize().x) * (m_maximum - m_minimum)) + m_minimum + 0.5f));
else
setValue(m_minimum);
// Set the thumb position for smooth scrolling
const float thumbLeft = pos.x - m_mouseDownOnThumbPos.x;
if ((thumbLeft + (m_thumb.width / 2.0f) > 0) && (thumbLeft + (m_thumb.width / 2.0f) < getSize().x))
m_thumb.left = thumbLeft;
else
m_thumb.left = (getSize().x / (m_maximum - m_minimum) * (m_value - m_minimum)) - (m_thumb.width / 2.0f);
}
}
else // Normal mouse move
{
// Set some variables so that when the mouse goes down we know whether it is on the track or not
if (sf::FloatRect(m_thumb.left, m_thumb.top, m_thumb.width, m_thumb.height).contains(pos))
{
m_mouseDownOnThumb = true;
m_mouseDownOnThumbPos.x = pos.x - m_thumb.left;
m_mouseDownOnThumbPos.y = pos.y - m_thumb.top;
}
else // The mouse is not on top of the thumb
m_mouseDownOnThumb = false;
}
}