PriorityHBox.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#pragma once
 
#include <vcl/layout.hxx>
#include "IPrioritable.hxx"
 
#include <vector>
 
/*
 * PriorityHBox is a VclHBox which hides its own children if there is no sufficient space.
 * Hiding order can be modified using child's priorities. If a control have default
 * priority assigned (VCL_PRIORITY_DEFAULT), it is always shown.
 */
 
class PriorityHBox : public VclHBox
{
protected:
    bool m_bInitialized;
 
    std::vector<vcl::IPrioritable*> m_aSortedChildren;
 
    virtual int GetHiddenCount() const;
 
    virtual void GetChildrenWithPriorities();
 
public:
    explicit PriorityHBox(vcl::Window* pParent);
 
    virtual ~PriorityHBox() override;
 
    void Initialize();
 
    void SetSizeFromParent();
 
    virtual Size calculateRequisition() const override;
 
    virtual void Resize() override;
 
    virtual void Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect) override;
};
 
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