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97 lines
3.1 KiB
C++
97 lines
3.1 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#pragma once
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#include <LyShine/Bus/UiDynamicLayoutBus.h>
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#include <LyShine/Bus/UiInitializationBus.h>
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#include <LyShine/Bus/UiTransformBus.h>
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#include <LyShine/Bus/UiElementBus.h>
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#include <LyShine/UiComponentTypes.h>
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#include <AzCore/Component/Component.h>
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////////////////////////////////////////////////////////////////////////////////////////////////////
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//! This component supports dynamic creation of child elements
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class UiDynamicLayoutComponent
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: public AZ::Component
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, public UiDynamicLayoutBus::Handler
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, public UiInitializationBus::Handler
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, public UiTransformChangeNotificationBus::Handler
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, public UiElementNotificationBus::Handler
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{
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public: // member functions
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AZ_COMPONENT(UiDynamicLayoutComponent, LyShine::UiDynamicLayoutComponentUuid, AZ::Component);
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UiDynamicLayoutComponent();
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~UiDynamicLayoutComponent() override;
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// UiDynamicLayoutInterface
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virtual void SetNumChildElements(int numChildren) override;
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// ~UiDynamicLayoutInterface
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// UiInitializationInterface
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void InGamePostActivate() override;
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// ~UiInitializationInterface
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// UiTransformChangeNotificationBus
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void OnCanvasSpaceRectChanged(AZ::EntityId entityId, const UiTransformInterface::Rect& oldRect, const UiTransformInterface::Rect& newRect) override;
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// ~UiTransformChangeNotificationBus
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// UiElementNotifications
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void OnUiElementBeingDestroyed() override;
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// ~UiElementNotifications
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public: // static member functions
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static void GetProvidedServices(AZ::ComponentDescriptor::DependencyArrayType& provided)
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{
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provided.push_back(AZ_CRC("UiDynamicContentService", 0xc5af0b83));
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}
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static void GetIncompatibleServices(AZ::ComponentDescriptor::DependencyArrayType& incompatible)
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{
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incompatible.push_back(AZ_CRC("UiDynamicContentService", 0xc5af0b83));
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}
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static void GetRequiredServices(AZ::ComponentDescriptor::DependencyArrayType& required)
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{
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required.push_back(AZ_CRC("UiElementService", 0x3dca7ad4));
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required.push_back(AZ_CRC("UiTransformService", 0x3a838e34));
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required.push_back(AZ_CRC("UiLayoutService", 0xac613bbc));
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}
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static void Reflect(AZ::ReflectContext* context);
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protected: // member functions
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// AZ::Component
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void Activate() override;
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void Deactivate() override;
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// ~AZ::Component
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AZ_DISABLE_COPY_MOVE(UiDynamicLayoutComponent);
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void SetPrototypeElementActive(bool active);
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//! Resize the parent to fit all cloned child elements
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void ResizeToFitChildElements();
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protected: // data
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//! The entity Id of the prototype element
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AZ::EntityId m_prototypeElement;
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//! Number of child elements to clone on initialization
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int m_numChildElementsToClone;
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//! Stores the size of the prototype element before it is removed from the child list. Used
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//! to calculate the element size
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AZ::Vector2 m_prototypeElementSize;
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};
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