custom-layout.h
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#ifndef DEMO_CUSTOM_LAYOUT_H
#define DEMO_CUSTOM_LAYOUT_H
/*
* Copyright (c) 2018 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// EXTERNAL INCLUDES
#include <dali/public-api/object/base-handle.h>
#include <dali-toolkit/devel-api/layouting/layout-group.h>
namespace Demo
{
namespace Internal
{
class CustomLayout;
}
/**
* @brief This is the handle class to a very simple Custom Layout.
*
* This class lays out its children horizontally in a very simple manner.
*/
class CustomLayout : public Dali::Toolkit::LayoutGroup
{
public:
/**
* @brief Creates an uninitialized CustomLayout handle.
*
* Initialize it using CustomLayout::New().
* Calling member functions with an uninitialized handle is not allowed.
*/
CustomLayout() = default;
/**
* @brief Creates a CustomLayout object.
*/
static CustomLayout New();
/**
* @brief Default destructor.
*
* This is non-virtual, since derived Handle types must not contain data or virtual methods
*/
~CustomLayout() = default;
/**
* @brief Copy constructor
*/
CustomLayout( const CustomLayout& ) = default;
/**
* @brief Assigment operator
*/
CustomLayout& operator=( const CustomLayout& ) = default;
/**
* @brief Move constructor
*/
CustomLayout( CustomLayout&& ) = default;
/**
* @brief Movable assignment operator
*/
CustomLayout& operator=( CustomLayout&& ) = default;
/**
* @brief Downcasts a handle to a CustomLayout handle.
*
* If handle points to a CustomLayout, the downcast produces a valid handle.
* If not, the returned handle is left uninitialized.
* @param[in] handle to an object
* @return Handle to a CustomLayout or an uninitialized handle
*/
static CustomLayout DownCast( BaseHandle handle );
public: // Not intended for application developers
/// @cond internal
/**
* @brief This constructor is used by CustomLayout::New() methods.
*
* @param[in] actor A pointer to a newly allocated Dali resource
*/
explicit CustomLayout( Internal::CustomLayout* body );
/// @endcond
};
} // namespace Demo
#endif // DEMO_CUSTOM_LAYOUT_H