vcl/inc/PriorityHBox.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include <vcl/layout.hxx>
  23 #include "IPrioritable.hxx"
  24
  25 #include <vector>
  26
  27 /*
  28  * PriorityHBox is a VclHBox which hides its own children if there is no sufficient space.
  29  * Hiding order can be modified using child's priorities. If a control have default
  30  * priority assigned (VCL_PRIORITY_DEFAULT), it is always shown.
  31  */
  32
  33 class PriorityHBox : public VclHBox
  34 {
  35 protected:
  36     bool m_bInitialized;
  37
  38     std::vector<vcl::IPrioritable*> m_aSortedChildren;
  39
  40     virtual int GetHiddenCount() const;
  41
  42     virtual void GetChildrenWithPriorities();
  43
  44 public:
  45     explicit PriorityHBox(vcl::Window* pParent);
  46
  47     virtual ~PriorityHBox() override;
  48
  49     void Initialize();
  50
  51     void SetSizeFromParent();
  52
  53     virtual Size calculateRequisition() const override;
  54
  55     virtual void Resize() override;
  56
  57     virtual void Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect) override;
  58 };
  59
  60 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */