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-/****************************************************************************
-**
-** Copyright (C) 1999-2002 NVIDIA Corporation.
-** Copyright (C) 2017 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of Qt 3D Studio.
-**
-** $QT_BEGIN_LICENSE:GPL-EXCEPT$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3 as published by the Free Software
-** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-//==============================================================================
-// Prefix
-//==============================================================================
-#ifndef INCLUDED_FLOW_LAYOUT_H
-#define INCLUDED_FLOW_LAYOUT_H 1
-
-//==============================================================================
-// Includes
-//==============================================================================
-#include "Control.h"
-#include "BlankControl.h"
-
-//==============================================================================
-// Classes
-//==============================================================================
-
-//==============================================================================
-/**
-* @class CFlowLayout
-* @brief CHRIS.EDWARDS needs to enter a brief description here.
-*
-* CHRIS.EDWARDS needs to enter a long description here.
-*/
-class CFlowLayout : public CControl
-{
-public:
- enum EFlowDirection {
- FLOW_VERTICAL,
- FLOW_HORIZONTAL,
- };
-
- enum EVerticalAlignment {
- ALIGN_TOP,
- ALIGN_BOTTOM,
- ALIGN_CENTER,
- ALIGN_VERT_NEITHER,
- };
-
- enum EHorizontalAlignment {
- ALIGN_LEFT,
- ALIGN_RIGHT,
- ALIGN_MIDDLE,
- ALIGN_HORIZ_NEITHER,
- };
-
- CFlowLayout(CControl *inControl = nullptr, bool inUseControl = true);
- virtual ~CFlowLayout();
-
- DEFINE_OBJECT_COUNTER(CFlowLayout)
-
- void SetSize(CPt inSize) override;
- void SetLayout(CPt inSize, CPt inPosition) override;
- void OnParentChanged(CControl *inParent) override;
-
- void SetAlignment(EVerticalAlignment inVertical, EHorizontalAlignment inHorizontal);
- long SetLeftMargin(long inMargin);
- long GetLeftMargin() const;
- long SetRightMargin(long inMargin);
- long GetRightMargin() const;
- long SetTopMargin(long inMargin);
- long GetTopMargin() const;
- long SetBottomMargin(long inMargin);
- long GetBottomMargin() const;
- long SetGapBetweenChildren(long inGap);
- void SetDebug(bool inFlag) { m_DebugFlag = inFlag; }
- void SetAutoMin(bool inFlag) { m_AutoMin = inFlag; }
-
- virtual void SetFlowDirection(EFlowDirection inFlowDirection);
- void AddChild(CControl *inControl, CControl *inInsertBefore = nullptr) override;
- void RemoveChild(CControl *inControl) override;
- void Draw(CRenderer *inRenderer) override;
- virtual void DisableBlank();
- void OnChildSizeChanged(CControl *inControl) override;
-
- virtual void RecalcLayout();
- void SuspendRecalcLayout(bool inSuspendFlag);
- void ResetMinMaxPref() override;
- bool OnMouseDown(CPt inPoint, Qt::KeyboardModifiers inFlags) override;
- bool OnMouseRDown(CPt inPoint, Qt::KeyboardModifiers inFlags) override;
-
-protected:
- CPt GetTotalPreferredSizes();
- void ResizeExpandableControlsY(long inExtraSpace, long inNumExpandable);
- void ResizeExpandableControlsX(long inExtraSpace, long inNumExpandable);
- void ResetChildPositions();
- void DistributeRemaining(long inExtraSpace);
- void RecalcChild(CControl *inChild, CPt &ioPosition, long &ioNumExpandableX,
- long &ioNumExpandableY);
-
- bool m_HasUnusedSpace;
- bool m_BlankDisable;
- EFlowDirection m_FlowDirection;
- EVerticalAlignment m_VerticalAlignment;
- EHorizontalAlignment m_HorizontalAlignment;
- bool m_ResizingChildren;
- long m_LeftMargin; ///< gap at left of this control
- long m_RightMargin; ///< gap at right of this control
- long m_TopMargin; ///< gap at top of this control
- long m_BottomMargin; ///< gap at bottom of this control
- long m_ChildGap; ///< gap between each child control when laying out everything
- bool m_DebugFlag;
- bool m_AutoMin;
-
- bool m_SuspendRecalcLayout; ///< flag to suspend recalculation of the layout; slow down is
- ///noticeable if this control has many children
-
-private:
- CControl *m_BlankControl; ///< used when all items are at their max and there si still space
-};
-
-#endif // INCLUDED_FLOW_LAYOUT_H