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o3de/Gems/GraphCanvas/Code/Source/Components/Slots/SlotConnectionPin.h

96 lines
3.0 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 <QGraphicsItem>
#include <AzCore/Component/EntityId.h>
#include <AzCore/std/smart_ptr/unique_ptr.h>
#include <Components/Slots/SlotLayoutItem.h>
#include <GraphCanvas/Components/Connections/ConnectionBus.h>
#include <GraphCanvas/Components/Slots/SlotBus.h>
#include <GraphCanvas/Utils/StateControllers/StateController.h>
namespace GraphCanvas
{
class SlotConnectionPin
: public SlotLayoutItem
, public SlotUIRequestBus::Handler
, public SlotNotificationBus::Handler
{
public:
AZ_RTTI(SlotConnectionPin, "{4E4A8C30-584A-434B-B8FC-0514C1E7D290}", QGraphicsLayoutItem, QGraphicsItem);
AZ_CLASS_ALLOCATOR(SlotConnectionPin, AZ::SystemAllocator, 0);
SlotConnectionPin(const AZ::EntityId& slotId);
~SlotConnectionPin() override;
void Activate();
void Deactivate();
// SlotNotificationBus
void OnRegisteredToNode(const AZ::EntityId& nodeId) override;
////
// SlotLayoutItem
void RefreshStyle() override final;
AZ::EntityId GetEntityId() const override
{
return m_slotId;
}
////
// SlotUIRequestBus
QPointF GetPinCenter() const override;
QPointF GetConnectionPoint() const override;
QPointF GetJutDirection() const override;
////
protected:
virtual void OnSlotClicked();
// QGraphicsItem
QRectF boundingRect() const override;
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = nullptr) override;
void keyPressEvent(QKeyEvent* keyEvent) override;
void keyReleaseEvent(QKeyEvent* keyEvent) override;
void hoverEnterEvent(QGraphicsSceneHoverEvent* hoverEvent) override;
void hoverLeaveEvent(QGraphicsSceneHoverEvent* hoverEvent) override;
void mousePressEvent(QGraphicsSceneMouseEvent* event) override;
void mouseReleaseEvent(QGraphicsSceneMouseEvent* event) override;
void mouseMoveEvent(QGraphicsSceneMouseEvent* event) override;
////
void OnMouseEnter(bool hasAltModifier);
void OnMouseLeave();
// QGraphicsLayoutItem
void setGeometry(const QRectF& rect) override;
QSizeF sizeHint(Qt::SizeHint which, const QSizeF& constraint = {}) const override;
////
void HandleNewConnection();
virtual void DrawConnectionPin(QPainter *painter, QRectF drawRect, bool isConnected);
virtual void OnRefreshStyle();
ConnectionType m_connectionType;
AZ::EntityId m_slotId;
bool m_trackClick;
bool m_deletionClick;
bool m_hovered;
StateSetter<RootGraphicsItemDisplayState> m_nodeDisplayStateStateSetter;
};
}