SCR_SelectionMenuEntryComponent.c

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//------------------------------------------------------------------------------------------------
class SCR_SelectionMenuEntryComponent : SCR_ScriptedWidgetComponent
{
    [Attribute("0.4")]
    protected float m_fDisabledOpacity;
    
    [Attribute("Size")]
    protected string m_sSizeLayout;
    
    protected SCR_SelectionMenuEntry m_Entry;
    
    protected bool m_bEnabled = true;
    protected float m_fOriginalSize;
    protected float m_fAdjustedSize;
    
    protected Widget m_wSizeLayout;
    
    // Invokers 
    protected ref ScriptInvoker<SCR_SelectionMenuEntryComponent> m_OnMouseEnter;
    protected ref ScriptInvoker<SCR_SelectionMenuEntryComponent> m_OnMouseLeave;
    
    //------------------------------------------------------------------------------------------------
    protected void InvokeOnMouseEnter()
    {
        if (m_OnMouseEnter)
            m_OnMouseEnter.Invoke(this);
    }
 
    //------------------------------------------------------------------------------------------------
    ScriptInvoker GetOnMouseEnter()
    {
        if (!m_OnMouseEnter)
            m_OnMouseEnter = new ScriptInvoker();
 
        return m_OnMouseEnter;
    }
    
    //------------------------------------------------------------------------------------------------
    protected void InvokeOnMouseLeave()
    {
        if (m_OnMouseLeave)
            m_OnMouseLeave.Invoke(this);
    }
 
    //------------------------------------------------------------------------------------------------
    ScriptInvoker GetOnMouseLeave()
    {
        if (!m_OnMouseLeave)
            m_OnMouseLeave = new ScriptInvoker();
 
        return m_OnMouseLeave;
    }
    
    //------------------------------------------------------------------------------------------------
    protected void InvokeOnClick()
    {
        if (m_OnClick)
            m_OnClick.Invoke(this);
    }
 
    //------------------------------------------------------------------------------------------------
    ScriptInvoker GetOnClick()
    {
        if (!m_OnClick)
            m_OnClick = new ScriptInvoker();
 
        return m_OnClick;
    }
    
    //------------------------------------------------------------------------------------------------
    // Override
    //------------------------------------------------------------------------------------------------
    
    //------------------------------------------------------------------------------------------------
    override void HandlerAttached(Widget w)
    {
        super.HandlerAttached(w);
        
        SetEnabled(m_bEnabled);
        
        m_wSizeLayout = m_wRoot.FindAnyWidget(m_sSizeLayout);
        m_fOriginalSize = GetLayoutSize();
        m_fAdjustedSize = m_fOriginalSize;
    }
    
    //------------------------------------------------------------------------------------------------
    override bool OnMouseEnter(Widget w, int x, int y)
    {
        InvokeOnMouseEnter();
        return false;
    }
    
    //------------------------------------------------------------------------------------------------
    override bool OnMouseLeave(Widget w, Widget enterW, int x, int y)
    {
        InvokeOnMouseLeave();
        return false;
    }
    
    //------------------------------------------------------------------------------------------------
    override bool OnClick(Widget w, int x, int y, int button)
    {
        if (button == 0)
            InvokeOnClick();
        
        return false;
    }
    
    //------------------------------------------------------------------------------------------------
    // Custom
    //------------------------------------------------------------------------------------------------
    
    //------------------------------------------------------------------------------------------------
    void SetEnabled(bool enabled)
    {   
        m_bEnabled = enabled;
        
        if (!m_wRoot)
            return;
        
        // Set visuals 
        if (m_bEnabled)
            m_wRoot.SetOpacity(1);  
        else
            m_wRoot.SetOpacity(m_fDisabledOpacity);
    }
    
    //------------------------------------------------------------------------------------------------
    float GetLayoutSize()
    {
        if (!m_wSizeLayout)
            return -1;
        
        return FrameSlot.GetSize(m_wSizeLayout)[0];
    }
    
    //------------------------------------------------------------------------------------------------
    void SetEntry(SCR_SelectionMenuEntry entry)
    {
        m_Entry = entry;
    }
    
    //------------------------------------------------------------------------------------------------
    float GetOriginalSize()
    {
        return m_fOriginalSize;
    }
    
    //------------------------------------------------------------------------------------------------
    float GetAdjustedSize()
    {
        return m_fAdjustedSize;
    }
}