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140 lines
4.7 KiB
C++
140 lines
4.7 KiB
C++
/*
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* 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.
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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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#include <functional>
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#include <AzCore/RTTI/TypeInfo.h>
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#include <QGraphicsLayoutItem>
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#include <QGraphicsGridLayout>
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#include <Components/Nodes/General/GeneralNodeLayoutComponent.h>
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#include <Components/Nodes/NodeComponent.h>
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#include <Components/Nodes/NodeLayerControllerComponent.h>
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#include <Components/Nodes/General/GeneralNodeFrameComponent.h>
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#include <Components/Nodes/General/GeneralSlotLayoutComponent.h>
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#include <Components/Nodes/General/GeneralNodeTitleComponent.h>
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#include <Components/StylingComponent.h>
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#include <GraphCanvas/Components/GeometryBus.h>
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#include <GraphCanvas/Components/Slots/SlotBus.h>
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#include <GraphCanvas/tools.h>
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#include <GraphCanvas/Styling/StyleHelper.h>
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namespace GraphCanvas
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{
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///////////////////////////////
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// GeneralNodeLayoutComponent
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///////////////////////////////
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void GeneralNodeLayoutComponent::Reflect(AZ::ReflectContext* context)
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{
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AZ::SerializeContext* serializeContext = azrtti_cast<AZ::SerializeContext*>(context);
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if (serializeContext)
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{
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serializeContext->Class<GeneralNodeLayoutComponent, NodeLayoutComponent>()
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->Version(1)
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;
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}
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}
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AZ::Entity* GeneralNodeLayoutComponent::CreateGeneralNodeEntity(const char* nodeType, const NodeConfiguration& configuration)
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{
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// Create this Node's entity.
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AZ::Entity* entity = NodeComponent::CreateCoreNodeEntity(configuration);
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entity->CreateComponent<GeneralNodeFrameComponent>();
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entity->CreateComponent<StylingComponent>(Styling::Elements::Node, AZ::EntityId(), nodeType);
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entity->CreateComponent<GeneralNodeLayoutComponent>();
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entity->CreateComponent<GeneralNodeTitleComponent>();
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entity->CreateComponent<GeneralSlotLayoutComponent>();
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entity->CreateComponent<NodeLayerControllerComponent>();
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return entity;
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}
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GeneralNodeLayoutComponent::GeneralNodeLayoutComponent()
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: m_title(nullptr)
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, m_slots(nullptr)
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{
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}
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GeneralNodeLayoutComponent::~GeneralNodeLayoutComponent()
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{
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}
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void GeneralNodeLayoutComponent::Init()
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{
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NodeLayoutComponent::Init();
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m_layout = new QGraphicsLinearLayout(Qt::Vertical);
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m_layout->setInstantInvalidatePropagation(true);
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m_title = new QGraphicsLinearLayout(Qt::Horizontal);
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m_title->setInstantInvalidatePropagation(true);
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m_slots = new QGraphicsLinearLayout(Qt::Horizontal);
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m_slots->setInstantInvalidatePropagation(true);
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}
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void GeneralNodeLayoutComponent::Activate()
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{
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NodeLayoutComponent::Activate();
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NodeNotificationBus::Handler::BusConnect(GetEntityId());
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}
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void GeneralNodeLayoutComponent::Deactivate()
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{
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NodeLayoutComponent::Deactivate();
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StyleNotificationBus::Handler::BusDisconnect();
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NodeNotificationBus::Handler::BusDisconnect();
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}
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void GeneralNodeLayoutComponent::OnStyleChanged()
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{
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UpdateLayoutParameters();
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}
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void GeneralNodeLayoutComponent::OnNodeActivated()
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{
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QGraphicsWidget* titleGraphicsItem = nullptr;
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NodeTitleRequestBus::EventResult(titleGraphicsItem, GetEntityId(), &NodeTitleRequests::GetGraphicsWidget);
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if (titleGraphicsItem)
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{
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m_title->addItem(titleGraphicsItem);
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m_title->setContentsMargins(0, 0, 0, 0);
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}
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GetLayoutAs<QGraphicsLinearLayout>()->addItem(m_title);
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QGraphicsLayoutItem* slotsGraphicsItem = nullptr;
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NodeSlotsRequestBus::EventResult(slotsGraphicsItem, GetEntityId(), &NodeSlotsRequestBus::Events::GetGraphicsLayoutItem);
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if (slotsGraphicsItem)
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{
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m_slots->addItem(slotsGraphicsItem);
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m_slots->setContentsMargins(0, 0, 0, 0);
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}
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GetLayoutAs<QGraphicsLinearLayout>()->addItem(m_slots);
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StyleNotificationBus::Handler::BusConnect(GetEntityId());
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UpdateLayoutParameters();
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}
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void GeneralNodeLayoutComponent::UpdateLayoutParameters()
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{
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Styling::StyleHelper style(GetEntityId());
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qreal border = style.GetAttribute(Styling::Attribute::BorderWidth, 0.0);
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qreal spacing = style.GetAttribute(Styling::Attribute::Spacing, 4.0);
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qreal margin = style.GetAttribute(Styling::Attribute::Margin, 4.0);
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GetLayoutAs<QGraphicsLinearLayout>()->setContentsMargins(margin + border, margin + border, margin + border, margin + border);
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GetLayoutAs<QGraphicsLinearLayout>()->setSpacing(spacing);
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GetLayout()->invalidate();
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}
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}
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