You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
150 lines
4.5 KiB
C++
150 lines
4.5 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 <AzCore/PlatformDef.h>
|
|
|
|
AZ_PUSH_DISABLE_WARNING(4251 4800, "-Wunknown-warning-option")
|
|
#include <QGraphicsWidget>
|
|
AZ_POP_DISABLE_WARNING
|
|
|
|
#include <GraphCanvas/Components/GeometryBus.h>
|
|
#include <GraphCanvas/Components/Nodes/NodeBus.h>
|
|
#include <GraphCanvas/Components/Nodes/NodeLayoutBus.h>
|
|
#include <GraphCanvas/Components/Nodes/NodeUIBus.h>
|
|
#include <GraphCanvas/Components/VisualBus.h>
|
|
#include <GraphCanvas/Widgets/RootGraphicsItem.h>
|
|
#include <GraphCanvas/Styling/StyleHelper.h>
|
|
|
|
namespace GraphCanvas
|
|
{
|
|
//! Base class to handle a bunch of the weird quirky stuff that the NodeFrames need to manage.
|
|
//! Will not paint anything.
|
|
class NodeFrameGraphicsWidget
|
|
: public RootGraphicsItem<QGraphicsWidget>
|
|
, public SceneMemberUIRequestBus::Handler
|
|
, public GeometryNotificationBus::Handler
|
|
, public VisualRequestBus::Handler
|
|
, public NodeNotificationBus::Handler
|
|
, public NodeUIRequestBus::Handler
|
|
, public StyleNotificationBus::Handler
|
|
{
|
|
private:
|
|
enum NodeFrameDisplayState
|
|
{
|
|
None,
|
|
Inspection,
|
|
Deletion
|
|
};
|
|
|
|
enum StepAxis
|
|
{
|
|
Unknown,
|
|
Height,
|
|
Width
|
|
};
|
|
|
|
public:
|
|
AZ_TYPE_INFO(NodeFrameGraphicsWidget, "{33B9DFFB-9E40-4D55-82A7-85468F7E7790}");
|
|
AZ_CLASS_ALLOCATOR(NodeFrameGraphicsWidget, AZ::SystemAllocator, 0);
|
|
|
|
// Do not allow Serialization of Graphics Ui classes
|
|
static void Reflect(AZ::ReflectContext*) = delete;
|
|
|
|
NodeFrameGraphicsWidget(const AZ::EntityId& nodeVisual);
|
|
~NodeFrameGraphicsWidget() override = default;
|
|
|
|
void Activate();
|
|
void Deactivate();
|
|
|
|
// RootVisualNotificationsHelper
|
|
QRectF GetBoundingRect() const override;
|
|
////
|
|
|
|
// SceneMemberUIRequestBus
|
|
QGraphicsItem* GetRootGraphicsItem() override;
|
|
QGraphicsLayoutItem* GetRootGraphicsLayoutItem() override;
|
|
|
|
void SetSelected(bool selected) override;
|
|
bool IsSelected() const override;
|
|
|
|
void SetZValue(qreal zValue) override;
|
|
qreal GetZValue() const override;
|
|
////
|
|
|
|
// GeometryNotificationBus
|
|
void OnPositionChanged(const AZ::EntityId& entityId, const AZ::Vector2& position) override;
|
|
////
|
|
|
|
// StyleNotificationBus
|
|
void OnStyleChanged() override;
|
|
////
|
|
|
|
// QGraphicsItem
|
|
QSizeF sizeHint(Qt::SizeHint which, const QSizeF& constraint = QSizeF()) const override;
|
|
void resizeEvent(QGraphicsSceneResizeEvent *) override;
|
|
////
|
|
|
|
// RootGraphicsItem
|
|
void OnDeleteItem() override;
|
|
////
|
|
|
|
// VisualRequestBus
|
|
QGraphicsItem* AsGraphicsItem() override;
|
|
|
|
bool Contains(const AZ::Vector2& position) const override;
|
|
|
|
void SetVisible(bool visible) override;
|
|
bool IsVisible() const override;
|
|
////
|
|
|
|
// NodeNotificationBus
|
|
void OnNodeActivated() override;
|
|
void OnAddedToScene(const AZ::EntityId& graphId) override;
|
|
|
|
void OnNodeWrapped(const AZ::EntityId& wrappingNode) override;
|
|
////
|
|
|
|
// NodeUIRequestBus
|
|
void AdjustSize() override;
|
|
|
|
void SetSteppedSizingEnabled(bool sizing) override;
|
|
void SetSnapToGrid(bool snapToGrid) override;
|
|
void SetResizeToGrid(bool resizeToGrid) override;
|
|
void SetGrid(AZ::EntityId gridId) override;
|
|
|
|
qreal GetCornerRadius() const override;
|
|
qreal GetBorderWidth() const override;
|
|
////
|
|
|
|
protected:
|
|
|
|
void SetDisplayState(NodeFrameDisplayState displayState);
|
|
void UpdateDisplayState(NodeFrameDisplayState displayState, bool enabled);
|
|
|
|
int GrowToNextStep(int value, int step, StepAxis stepAxis = StepAxis::Unknown) const;
|
|
int RoundToClosestStep(int value, int step) const;
|
|
int ShrinkToPreviousStep(int value, int step) const;
|
|
|
|
virtual void OnActivated();
|
|
virtual void OnDeactivated();
|
|
virtual void OnRefreshStyle();
|
|
|
|
protected:
|
|
NodeFrameGraphicsWidget(const NodeFrameGraphicsWidget&) = delete;
|
|
|
|
Styling::StyleHelper m_style;
|
|
NodeFrameDisplayState m_displayState;
|
|
|
|
bool m_enabledSteppedSizing = true;
|
|
EditorId m_editorId;
|
|
|
|
AZ::EntityId m_wrapperNode;
|
|
bool m_isWrapped = false;
|
|
};
|
|
}
|