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o3de/Gems/GraphCanvas/Code/Source/Components/BookmarkAnchor/BookmarkAnchorVisualCompone...

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4.7 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 <qgraphicswidget.h>
#include <qcolor.h>
#include <AzCore/Component/Component.h>
#include <AzCore/Component/EntityBus.h>
#include <AzCore/Math/Color.h>
#include <AzCore/Component/TickBus.h>
#include <GraphCanvas/Components/Bookmarks/BookmarkBus.h>
#include <GraphCanvas/Components/EntitySaveDataBus.h>
#include <GraphCanvas/Components/GeometryBus.h>
#include <GraphCanvas/Components/GraphCanvasPropertyBus.h>
#include <GraphCanvas/Components/SceneBus.h>
#include <GraphCanvas/Components/StyleBus.h>
#include <GraphCanvas/Components/VisualBus.h>
#include <GraphCanvas/Styling/StyleHelper.h>
#include <GraphCanvas/Types/EntitySaveData.h>
#include <GraphCanvas/Widgets/RootGraphicsItem.h>
namespace GraphCanvas
{
//! The actual visual graphics item
class BookmarkAnchorVisualGraphicsWidget
: public RootGraphicsItem<QGraphicsWidget>
, public GeometryNotificationBus::Handler
, public StyleNotificationBus::Handler
, public SceneMemberNotificationBus::Handler
, public BookmarkNotificationBus::Handler
{
public:
AZ_TYPE_INFO(BookmarkAnchorVisualGraphicsWidget, "");
AZ_CLASS_ALLOCATOR(BookmarkAnchorVisualGraphicsWidget, AZ::SystemAllocator, 0);
BookmarkAnchorVisualGraphicsWidget(const AZ::EntityId& busId);
virtual ~BookmarkAnchorVisualGraphicsWidget() = default;
void SetColor(const QColor& drawColor);
QPainterPath GetOutline() const;
// RootGraphicsItem
QRectF GetBoundingRect() const override;
////
// BookmarkNotifications
void OnBookmarkTriggered() override;
void OnBookmarkNameChanged() override;
////
// StyleNotificationBus
void OnStyleChanged() override;
////
// GeometryNotificationBus
void OnPositionChanged(const AZ::EntityId& entityId, const AZ::Vector2& position) override;
////
// SceneMemberNotificationBus
void OnSceneSet(const AZ::EntityId& sceneId) override;
////
// QGraphicsWidget
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = nullptr) override;
////
private:
QPainterPath m_outline;
QColor m_drawColor;
Styling::StyleHelper m_style;
float m_animationDuration;
};
//! Some sort of visual indicator of a bookmark, just to help focus, and allow for easier changing of bookmark locations
class BookmarkAnchorVisualComponent
: public GraphCanvasPropertyComponent
, public SceneMemberUIRequestBus::Handler
, public SceneMemberNotificationBus::Handler
, public BookmarkNotificationBus::Handler
{
public:
// Dummy class retained to avoid crashes on graph processing.
class BookmarkAnchorVisualComponentSaveData
: public ComponentSaveData
{
public:
AZ_RTTI(BookmarkAnchorVisualComponentSaveData, "{1EDD7480-8CB5-4656-8B04-00E82ED0063A}", ComponentSaveData);
AZ_CLASS_ALLOCATOR(BookmarkAnchorVisualComponentSaveData, AZ::SystemAllocator, 0);
BookmarkAnchorVisualComponentSaveData() = default;
};
AZ_COMPONENT(BookmarkAnchorVisualComponent, "{AD921E77-962B-417F-88FB-500FA679DFDF}");
static void Reflect(AZ::ReflectContext* reflectContext);
BookmarkAnchorVisualComponent();
~BookmarkAnchorVisualComponent() = default;
// AZ::Component
void Init() override;
void Activate() override;
void Deactivate() override;
////
// SceneMemberUIRequestBus
QGraphicsItem* GetRootGraphicsItem() override;
QGraphicsLayoutItem* GetRootGraphicsLayoutItem() override;
void SetSelected(bool selected) override;
bool IsSelected() const override;
QPainterPath GetOutline() const override;
void SetZValue(qreal zValue) override;
qreal GetZValue() const override;
////
// SceneMemberNotifications
void OnSceneSet(const AZ::EntityId& graphId) override;
////
// BookmarkNotifications
void OnBookmarkColorChanged() override;
////
private:
BookmarkAnchorVisualComponent(const BookmarkAnchorVisualComponent&) = delete;
const BookmarkAnchorVisualComponent& operator=(const BookmarkAnchorVisualComponent&) = delete;
AZStd::unique_ptr<BookmarkAnchorVisualGraphicsWidget> m_graphicsWidget;
};
}