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o3de/Gems/GraphCanvas/Code/Source/Components/Slots/SlotLayoutComponent.cpp

112 lines
2.8 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
*
*/
#include <QGraphicsLayout>
#include <AzCore/Math/Vector2.h>
#include <AzCore/Serialization/SerializeContext.h>
#include <Components/Slots/SlotLayoutComponent.h>
namespace GraphCanvas
{
////////////////////////
// SlotLayoutComponent
////////////////////////
void SlotLayoutComponent::Reflect(AZ::ReflectContext* reflectContext)
{
AZ::SerializeContext* serializeContext = azrtti_cast<AZ::SerializeContext*>(reflectContext);
if (serializeContext)
{
serializeContext->Class<SlotLayoutComponent, AZ::Component>()
->Version(1)
;
}
}
SlotLayoutComponent::SlotLayoutComponent()
: m_layoutWidget(nullptr)
, m_layout(nullptr)
{
}
SlotLayoutComponent::~SlotLayoutComponent()
{
}
void SlotLayoutComponent::Init()
{
m_layoutWidget = new QGraphicsWidget();
m_layoutWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
m_layoutWidget->setFlag(QGraphicsItem::ItemIsFocusable, true);
m_layoutWidget->setVisible(m_isVisible);
}
void SlotLayoutComponent::Activate()
{
VisualRequestBus::Handler::BusConnect(GetEntityId());
}
void SlotLayoutComponent::Deactivate()
{
VisualRequestBus::Handler::BusDisconnect();
}
QGraphicsItem* SlotLayoutComponent::AsGraphicsItem()
{
return m_layoutWidget;
}
QGraphicsLayoutItem* SlotLayoutComponent::AsGraphicsLayoutItem()
{
return m_layoutWidget;
}
bool SlotLayoutComponent::Contains(const AZ::Vector2& position) const
{
QPointF localRectPos = m_layoutWidget->mapFromScene(QPointF(position.GetX(), position.GetY()));
return m_layoutWidget->contains(localRectPos);
}
void SlotLayoutComponent::SetVisible(bool visible)
{
if (m_isVisible != visible)
{
m_isVisible = visible;
if (m_layoutWidget)
{
m_layoutWidget->setVisible(visible);
}
}
}
bool SlotLayoutComponent::IsVisible() const
{
return m_isVisible;
}
void SlotLayoutComponent::SetLayout(QGraphicsLayout* layout)
{
AZ_Error("SlotLayoutComponent", m_layout == nullptr, "Trying to register two layouts to the same layout component");
if (m_layout == nullptr)
{
m_layoutWidget->setLayout(layout);
m_layout = layout;
}
}
QGraphicsLayout* SlotLayoutComponent::GetLayout()
{
return m_layout;
}
}