text: /*
    ==============================================================================
  
     This file is part of the JUCE library.
     Copyright (c) 2015 - ROLI Ltd.
  
     Permission is granted to use this software under the terms of either:
     a) the GPL v2 (or any later version)
     b) the Affero GPL v3
  
     Details of these licenses can be found at: www.gnu.org/licenses
  
     JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
     WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
     A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  
     ------------------------------------------------------------------------------
  
     To release a closed-source product which uses JUCE, commercial licenses are
     available: visit www.juce.com for more information.
  
    ==============================================================================
  */
  
  
  /**
      Represents a FlexBox container, which contains and manages the layout of a set
      of FlexItem objects.
  
      To use this class, set its parameters appropriately (you can search online for
      more help on exactly how the FlexBox protocol works!), then add your sub-items
      to the items array, and call performLayout().
  
      @see FlexItem
  */
  class JUCE_API  FlexBox
  {
  public:
      /** Possible values for the flexDirection property. */
      enum class Direction       { row, rowReverse, column, columnReverse };
      /** Possible values for the flexWrap property. */
      enum class Wrap            { noWrap, wrap, wrapReverse };
      /** Possible values for the alignContent property. */
      enum class AlignContent    { stretch, flexStart, flexEnd, center, spaceBetween, spaceAround };
      /** Possible values for the alignItems property. */
      enum class AlignItems      { stretch, flexStart, flexEnd, center };
      /** Possible values for the justifyContent property. */
      enum class JustifyContent  { flexStart, flexEnd, center, spaceBetween, spaceAround };
  
      //==============================================================================
      /** Creates an empty FlexBox container with default parameters. */
      FlexBox() noexcept;
  
      /** Creates an empty FlexBox container with these parameters. */
      FlexBox (Direction, Wrap, AlignContent, AlignItems, JustifyContent) noexcept;
  
      /** Creates an empty FlexBox container with the given content-justification mode. */
      FlexBox (JustifyContent) noexcept;
  
      /** Destructor. */
      ~FlexBox() noexcept;
  
      //==============================================================================
      /** Lays-out the box's items within the given rectangle. */
      void performLayout (Rectangle<float> targetArea);
  
      /** Lays-out the box's items within the given rectangle. */
      void performLayout (Rectangle<int> targetArea);
  
      //==============================================================================
      /** Specifies how flex items are placed in the flex container, and defines the
          direction of the main axis.
      */
      Direction flexDirection = Direction::row;
  
      /** Specifies whether items are forced into a single line or can be wrapped onto multiple lines.
          If wrapping is allowed, this property also controls the direction in which lines are stacked.
      */
      Wrap flexWrap = Wrap::noWrap;
  
      /** Specifies how a flex container's lines are placed within the flex container when
          there is extra space on the cross-axis.
          This property has no effect on single line layouts.
      */
      AlignContent alignContent = AlignContent::stretch;
  
      /** Specifies the alignment of flex items along the cross-axis of each line. */
      AlignItems alignItems = AlignItems::stretch;
  
      /** Defines how the container distributes space between and around items along the main-axis.
          The alignment is done after the lengths and auto margins are applied, so that if there is at
          least one flexible element, with flex-grow different from 0, it will have no effect as there
          won't be any available space.
      */
      JustifyContent justifyContent = JustifyContent::flexStart;
  
      /** The set of items to lay-out. */
      Array<FlexItem> items;
  
  private:
      JUCE_LEAK_DETECTOR (FlexBox)
  };
  