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o3de/Gems/GraphCanvas/Code/Source/Widgets/GraphCanvasCheckBox.h

75 lines
2.4 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>
#include <AzCore/Component/EntityId.h>
#include <AzCore/EBus/EBus.h>
#include <AzCore/Memory/SystemAllocator.h>
#include <AzCore/std/string/string.h>
#include <GraphCanvas/Styling/definitions.h>
#include <GraphCanvas/Styling/StyleHelper.h>
namespace GraphCanvas
{
//! The GraphCanvasCheck gives a QGraphicsWidget that is a check box.
class GraphCanvasCheckBox
: public QGraphicsWidget
{
public:
AZ_CLASS_ALLOCATOR(GraphCanvasCheckBox, AZ::SystemAllocator, 0);
GraphCanvasCheckBox(QGraphicsItem* parent = nullptr);
~GraphCanvasCheckBox() = default;
void SetStyle(const AZ::EntityId& entityId, const char* style = Styling::Elements::CheckBox);
void SetSceneStyle(const AZ::EntityId& sceneId, const char* style = Styling::Elements::CheckBox);
void SetChecked(bool checked);
bool IsChecked() const;
protected:
// QGraphicsItem
void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget = nullptr) override;
void mousePressEvent(QGraphicsSceneMouseEvent* mmouseEvent) override;
void mouseMoveEvent(QGraphicsSceneMouseEvent* mouseEvent) override;
void mouseReleaseEvent(QGraphicsSceneMouseEvent* mouseEvent) override;
void hoverEnterEvent(QGraphicsSceneHoverEvent* hoverEvent) override;
void hoverLeaveEvent(QGraphicsSceneHoverEvent* hoverEvent) override;
////
// QGraphicsLayoutItem
QSizeF sizeHint(Qt::SizeHint which, const QSizeF& constraint = QSizeF()) const override;
////
private:
Styling::StyleHelper m_styleHelper;
bool m_checked;
bool m_pressed;
};
class GraphCanvasCheckBoxNotifications
: public AZ::EBusTraits
{
public:
static const AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::ById;
using BusIdType = GraphCanvasCheckBox*;
virtual void OnValueChanged(bool checked) = 0;
virtual void OnClicked() = 0;
};
using GraphCanvasCheckBoxNotificationBus = AZ::EBus<GraphCanvasCheckBoxNotifications>;
}