protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
Point p = e.GetPosition(this);
if (m_clickedElement != null && e.LeftButton == MouseButtonState.Pressed) {
m_clickedElement.MouseMove(p, true);
} else {
TimelineElement element = GetHitTest(p);
if (element != null) {
element.MouseMove(p, e.LeftButton == MouseButtonState.Pressed);
}
if (element != m_hoveredElement) {
if (m_hoveredElement != null) {
m_hoveredElement.MouseLeave();
}
m_hoveredElement = element;
if (m_hoveredElement != null) {
m_hoveredElement.MouseEnter();
}
}
}
}
protected override void OnMouseUp(MouseButtonEventArgs e)
{
base.OnMouseUp(e);
ReleaseMouseCapture();
Point p = e.GetPosition(this);
if (m_clickedElement != null) {
m_clickedElement.MouseUp(p);
m_clickedElement = null;
} else {
TimelineElement element = GetHitTest(p);
if (element != null) {
element.MouseUp(p);
}
}
}
protected override void OnMouseDown(MouseButtonEventArgs e)
{
base.OnMouseDown(e);
CaptureMouse();
Point p = e.GetPosition(this);
m_clickedElement = GetHitTest(p);
if (m_clickedElement != null) {
m_clickedElement.MouseDown(p);
}
}