public void BeginLayout(IGUIState guiState)
{
Debug.Assert(guiState.eventType == EventType.Layout);
m_LayoutData = OnBeginLayout(LayoutData.zero, guiState);
}
internal void SetActionID(int actionID)
{
m_ActionID = actionID;
m_HotLayoutData = m_LayoutData;
}
protected override LayoutData OnBeginLayout(LayoutData data, IGUIState guiState)
{
data.distance = kPickDistance;
return(data);
}
protected virtual LayoutData OnBeginLayout(LayoutData data, IGUIState guiState)
{
return(data);
}
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.UseCurrentEvent();
}
}