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137 lines
4.8 KiB
C++
137 lines
4.8 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/Component.h>
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#include <GraphCanvas/Components/EntitySaveDataBus.h>
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#include <GraphCanvas/Components/SceneBus.h>
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#include <GraphCanvas/Components/StyleBus.h>
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#include <GraphCanvas/Components/VisualBus.h>
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#include <GraphCanvas/Styling/definitions.h>
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#include <GraphCanvas/Styling/Selector.h>
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#include <GraphCanvas/Types/EntitySaveData.h>
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namespace GraphCanvas
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{
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//! Implements a base \ref StyledEntityRequestBus::Handler for entities that have a "root visual"
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//! (QGraphicsItem/QGraphicsLayoutItem).
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class StylingComponent
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: public AZ::Component
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, public VisualNotificationBus::Handler
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, public StyledEntityRequestBus::Handler
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, public SceneMemberNotificationBus::Handler
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, public SceneNotificationBus::Handler
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, public EntitySaveDataRequestBus::Handler
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{
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public:
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class StylingComponentSaveData
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: public ComponentSaveData
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{
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public:
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AZ_RTTI(StylingComponentSaveData, "{B0B99C8A-03AF-4CF6-A926-F65C874C3D97}", ComponentSaveData);
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AZ_CLASS_ALLOCATOR(StylingComponentSaveData, AZ::SystemAllocator, 0);
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StylingComponentSaveData() = default;
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StylingComponentSaveData(const AZStd::string& subStyle);
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~StylingComponentSaveData() = default;
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AZStd::string m_subStyle;
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};
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AZ_COMPONENT(StylingComponent, "{94BF24F3-0EF1-41D9-B869-27AAB2B7F9AF}");
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static void Reflect(AZ::ReflectContext*);
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static AZ::EntityId CreateStyleEntity(const AZStd::string& element);
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StylingComponent() {}
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StylingComponent(const AZStd::string& element, const AZ::EntityId& parentStyledEntity = AZ::EntityId(), const AZStd::string& styleClass = AZStd::string());
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~StylingComponent() override = default;
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// AZ::Component
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static void GetProvidedServices(AZ::ComponentDescriptor::DependencyArrayType& provided)
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{
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provided.push_back(StyledGraphicItemServiceCrc);
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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(StyledGraphicItemServiceCrc);
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}
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static void GetDependentServices(AZ::ComponentDescriptor::DependencyArrayType& dependent)
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{
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(void)dependent;
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}
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static void GetRequiredServices(AZ::ComponentDescriptor::DependencyArrayType& required)
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{
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(void)required;
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}
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void Activate() override;
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void Deactivate() override;
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////
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// VisualNotificationBus
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void OnItemChange(const AZ::EntityId&, QGraphicsItem::GraphicsItemChange, const QVariant&) override;
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////
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// StyledEntityRequestBus
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AZ::EntityId GetStyleParent() const override;
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Styling::SelectorVector GetStyleSelectors() const override;
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void AddSelectorState(const char* selector) override;
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void RemoveSelectorState(const char* selector) override;
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AZStd::string GetElement() const override;
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AZStd::string GetClass() const override;
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////
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// SceneMemberNotificationBus
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void OnSceneSet(const AZ::EntityId& scene) override;
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void OnRemovedFromScene(const AZ::EntityId& scene) override;
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////
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// SceneNotificationBus
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void OnStylesChanged() override;
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////
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// EntitySaveDataRequestBus
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void WriteSaveData(EntitySaveDataContainer& saveDataContainer) const override;
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void ReadSaveData(const EntitySaveDataContainer& saveDataContainer) override;
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////
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private:
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const AZ::EntityId m_parentStyledEntity;
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AZStd::string m_element;
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StylingComponentSaveData m_saveData;
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// The selectors for the element, class and ID
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Styling::SelectorVector m_coreSelectors;
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// These are refreshed on Activate and used to generate the set of current selectors
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Styling::Selector m_selectedSelector;
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Styling::Selector m_disabledSelector;
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Styling::Selector m_hoveredSelector;
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Styling::Selector m_collapsedSelector;
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Styling::Selector m_highlightedSelector;
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AZStd::unordered_map<AZ::Crc32, Styling::Selector> m_dynamicSelectors;
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bool m_hovered = false;
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};
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}
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