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o3de/Gems/LyShine/Code/Source/Script/UiCanvasLuaBus.h

72 lines
2.1 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 <LyShine/Bus/UiCanvasBus.h>
#include <AzCore/Component/Component.h>
//! \brief Mirrors the UiCanvasBus for use in Lua.
class UiCanvasLuaInterface
: public AZ::ComponentBus
{
public:
virtual ~UiCanvasLuaInterface() {}
// UiCanvasBus
//! This flavor of FindElementById differs slightly from the UiCanvasBus version
//! in that it returns an EntityId, which is a bit friendly for passing around in
//! Lua.
//! Use of the Element Id is discouraged as it will be deprecated soon.
virtual AZ::EntityId FindElementById(LyShine::ElementId id) = 0;
//! This flavor of FindElementByName differs slightly from the UiCanvasBus version
//! in that it returns an EntityId, which is a bit friendly for passing around in
//! Lua.
virtual AZ::EntityId FindElementByName(const LyShine::NameType& name) = 0;
virtual bool GetEnabled() = 0;
virtual void SetEnabled(bool enabled) = 0;
// ~UiCanvasBus
};
typedef AZ::EBus<UiCanvasLuaInterface> UiCanvasLuaBus;
//! \brief This component serves as the bridge between UiCanvasBus and UiCanvasLuaBus
class UiCanvasLuaProxy
: public UiCanvasLuaBus::Handler
{
public:
// UiCanvasLuaBus
AZ::EntityId FindElementById(LyShine::ElementId id) override;
AZ::EntityId FindElementByName(const LyShine::NameType& name) override;
bool GetEnabled() override;
void SetEnabled(bool enabled) override;
// ~UiCanvasLuaBus
//! \brief Adds this object as a handler for UiCanvasLuaBus
void BusConnect(AZ::EntityId entityId);
//! \brief Loads the canvas with the given filename
AZ::EntityId LoadCanvas(const char* canvasFilename);
//! \brief Unloads the canvas with the given canvas entity Id
void UnloadCanvas(AZ::EntityId canvasEntityId);
static void Reflect(AZ::ReflectContext* context);
private:
AZ::EntityId m_targetEntity;
};