public void Layout(IGUIState guiState)
{
Debug.Assert(guiState.eventType == EventType.Layout);
for (var i = 0; i < GetCount(); ++i)
{
if (guiState.hotControl == actionID && hotLayoutData.index == i)
{
continue;
}
var layoutData = new LayoutData()
{
index = i,
position = GetPosition(guiState, i),
distance = GetDistance(guiState, i),
forward = GetForward(guiState, i),
up = GetUp(guiState, i),
right = GetRight(guiState, i),
userData = GetUserData(guiState, i)
};
m_LayoutData = LayoutData.Nearest(m_LayoutData, layoutData);
}
}
/// <summary>
/// Calls the methods in its invocation list when Unity draws this GUISystems's GUI.
/// </summary>
public void OnGUI()
{
var controlIDCheck = m_GUIState.GetControlID(kControlIDCheckHashCode, FocusType.Passive);
if (m_GUIState.eventType == EventType.Layout)
{
m_ControlIDCheck = controlIDCheck;
}
else if (m_GUIState.eventType != EventType.Used && m_ControlIDCheck != controlIDCheck)
{
Debug.LogWarning("GetControlID at event " + m_GUIState.eventType + " returns a controlID different from the one in Layout event");
}
var nearestLayoutData = LayoutData.zero;
foreach (var control in m_Controls)
{
control.GetControl(m_GUIState);
}
if (m_GUIState.eventType == EventType.Layout)
{
foreach (var control in m_Controls)
{
control.BeginLayout(m_GUIState);
}
foreach (var control in m_Controls)
{
control.Layout(m_GUIState);
nearestLayoutData = LayoutData.Nearest(nearestLayoutData, control.layoutData);
}
foreach (var control in m_Controls)
{
m_GUIState.AddControl(control.ID, control.layoutData.distance);
}
foreach (var control in m_Controls)
{
control.EndLayout(m_GUIState);
}
if (m_PrevNearestControl == m_GUIState.nearestControl)
{
if (nearestLayoutData.index != m_PrevNearestLayoutData.index)
{
m_GUIState.Repaint();
}
}
else
{
m_PrevNearestControl = m_GUIState.nearestControl;
m_GUIState.Repaint();
}
m_PrevNearestLayoutData = nearestLayoutData;
}
if (m_GUIState.eventType == EventType.Repaint)
{
foreach (var action in m_Actions)
{
if (action.IsRepaintEnabled(m_GUIState))
{
action.PreRepaint(m_GUIState);
}
}
foreach (var control in m_Controls)
{
control.Repaint(m_GUIState);
}
}
var repaintOnMouseMove = false;
foreach (var action in m_Actions)
{
if (IsMouseMoveEvent())
{
repaintOnMouseMove |= action.IsRepaintOnMouseMoveEnabled(m_GUIState);
}
action.OnGUI(m_GUIState);
}
if (repaintOnMouseMove)
{
m_GUIState.Repaint();
}
}