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48 lines
2.0 KiB
C++
48 lines
2.0 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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#pragma once
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#include <AzCore/Component/ComponentBus.h>
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#include <LyShine/UiBase.h>
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////////////////////////////////////////////////////////////////////////////////////////////////////
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//! Interface class that a radio button group component needs to implement. This interface allows
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//! a radio button to communicate with the radio button group itself
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class UiRadioButtonGroupCommunicationInterface
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: public AZ::ComponentBus
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{
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public: // member functions
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virtual ~UiRadioButtonGroupCommunicationInterface() {}
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//! Registers a radio button within a group
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//! \param The radio button to add
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//! \return Whether the radio button was successfully added to the group or not
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virtual bool RegisterRadioButton(AZ::EntityId radioButton) = 0;
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//! Unregisters a radio button within a group
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//! \param The radio button to remove
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virtual void UnregisterRadioButton(AZ::EntityId radioButton) = 0;
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//! Called when a radio button wants to change state due to user action (i.e. by clicking it)
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//! \param The radio button to change the state of
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//! \param The new radio button state
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virtual void RequestRadioButtonStateChange(AZ::EntityId radioButton, bool newState) = 0;
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public: // static member data
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//! Only one component on an entity can implement the events
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static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Single;
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};
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typedef AZ::EBus<UiRadioButtonGroupCommunicationInterface> UiRadioButtonGroupCommunicationBus;
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