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o3de/Code/Legacy/CryCommon/LyShine/Bus/UiRadioButtonGroupBus.h

75 lines
2.6 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#pragma once
#include <AzCore/Component/ComponentBus.h>
#include <AzCore/Math/Vector2.h>
#include <LyShine/UiBase.h>
////////////////////////////////////////////////////////////////////////////////////////////////////
//! Interface class that a radio button group component needs to implement. A radio button group
//! component provides functionality to manage a group of radio buttons. A group of radio buttons
//! allows users to choose one of a predefined set of mutually exclusive options. No more than one
//! item may be selected.
class UiRadioButtonGroupInterface
: public AZ::ComponentBus
{
public: // member functions
virtual ~UiRadioButtonGroupInterface() {}
//! Query the state of the radio button group
//! \return The currently checked radio button.
virtual AZ::EntityId GetCheckedRadioButton() = 0;
//! Set a radio button to a desired state
virtual void SetState(AZ::EntityId radioButton, bool isOn) = 0;
//! Get the allow uncheck flag
virtual bool GetAllowUncheck() = 0;
//! Set the allow uncheck flag
virtual void SetAllowUncheck(bool allowUncheck) = 0;
//! Add a new radio button to the group
virtual void AddRadioButton(AZ::EntityId radioButton) = 0;
//! Remove a radio button from the group
virtual void RemoveRadioButton(AZ::EntityId radioButton) = 0;
//! Query whether a radio button is in the group or not
virtual bool ContainsRadioButton(AZ::EntityId radioButton) = 0;
//! Get the action triggered when changed
virtual const LyShine::ActionName& GetChangedActionName() = 0;
//! Set the action triggered when changed
virtual void SetChangedActionName(const LyShine::ActionName& actionName) = 0;
public: // static member data
//! Only one component on a entity can implement the events
static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Single;
};
typedef AZ::EBus<UiRadioButtonGroupInterface> UiRadioButtonGroupBus;
////////////////////////////////////////////////////////////////////////////////////////////////////
class UiRadioButtonGroupNotifications
: public AZ::ComponentBus
{
public: // member functions
virtual ~UiRadioButtonGroupNotifications() {}
//! Notify listeners that the radio button group state has changed
virtual void OnRadioButtonGroupStateChange([[maybe_unused]] AZ::EntityId checkedRadioButton) {}
};
typedef AZ::EBus<UiRadioButtonGroupNotifications> UiRadioButtonGroupNotificationBus;