public void DropDown(Rect position, VisualElement targetElement = null, bool anchored = false)
{
if (targetElement == null)
{
Debug.LogError("VisualElement Generic Menu needs a target to find a root to attach to.");
return;
}
m_PanelRootVisualContainer = targetElement.GetRootVisualContainer();
if (m_PanelRootVisualContainer == null)
{
Debug.LogError("Could not find rootVisualContainer...");
return;
}
m_PanelRootVisualContainer.Add(m_MenuContainer);
m_MenuContainer.style.left = m_PanelRootVisualContainer.layout.x;
m_MenuContainer.style.top = m_PanelRootVisualContainer.layout.y;
m_MenuContainer.style.width = m_PanelRootVisualContainer.layout.width;
m_MenuContainer.style.height = m_PanelRootVisualContainer.layout.height;
var local = m_PanelRootVisualContainer.WorldToLocal(position);
m_OuterContainer.style.left = local.x - m_PanelRootVisualContainer.layout.x;
m_OuterContainer.style.top = local.y + position.height - m_PanelRootVisualContainer.layout.y;
if (anchored)
{
m_DesiredRect = position;
}
m_MenuContainer.schedule.Execute(contentContainer.Focus);
}
/// <summary>
/// Displays the menu at the specified position.
/// </summary>
/// <remarks>
/// This method automatically finds the parent VisualElement that displays the menu.
/// For editor UI, <see cref="EditorWindow.rootVisualElement"/> is used as the parent.
/// For runtime UI,<see cref="UIDocument.rootVisualElement"/> is used as the parent.
/// </remarks>
/// <param name="position">The position in the coordinate space of the panel.</param>
/// <param name="targetElement">The element used to determine in which root to parent the menu.</param>
/// <param name="anchored">Whether the menu should use the width of the position argument instead of its normal width.</param>
public void DropDown(Rect position, VisualElement targetElement = null, bool anchored = false)
{
// TODO the argument should not optional. This is because IGenericMenu requires it, but this is not great.
if (targetElement == null)
{
Debug.LogError("VisualElement Generic Menu needs a target to find a root to attach to.");
return;
}
m_TargetElement = targetElement;
m_PanelRootVisualContainer = m_TargetElement.GetRootVisualContainer();
if (m_PanelRootVisualContainer == null)
{
Debug.LogError("Could not find rootVisualContainer...");
return;
}
m_PanelRootVisualContainer.Add(m_MenuContainer);
m_MenuContainer.style.left = m_PanelRootVisualContainer.layout.x;
m_MenuContainer.style.top = m_PanelRootVisualContainer.layout.y;
m_MenuContainer.style.width = m_PanelRootVisualContainer.layout.width;
m_MenuContainer.style.height = m_PanelRootVisualContainer.layout.height;
m_MenuContainer.style.fontSize = m_TargetElement.computedStyle.fontSize;
m_MenuContainer.style.unityFont = m_TargetElement.computedStyle.unityFont;
m_MenuContainer.style.unityFontDefinition = m_TargetElement.computedStyle.unityFontDefinition;
var local = m_PanelRootVisualContainer.WorldToLocal(position);
m_OuterContainer.style.left = local.x - m_PanelRootVisualContainer.layout.x;
m_OuterContainer.style.top = local.y + position.height - m_PanelRootVisualContainer.layout.y;
m_DesiredRect = anchored ? position : Rect.zero;
m_MenuContainer.schedule.Execute(contentContainer.Focus);
EnsureVisibilityInParent();
if (targetElement != null)
{
targetElement.pseudoStates |= PseudoStates.Active;
}
}