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o3de/Gems/GradientSignal/Code/Source/UI/GradientPreviewDataWidget.h

77 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
*
*/
#pragma once
#include <AzToolsFramework/UI/PropertyEditor/PropertyEditorAPI.h>
#include <GradientSignal/Ebuses/GradientPreviewRequestBus.h>
#include <GradientSignal/GradientSampler.h>
#include <UI/GradientPreviewWidget.h>
#include <LmbrCentral/Dependency/DependencyMonitor.h>
#include <LmbrCentral/Dependency/DependencyNotificationBus.h>
#include <QWidget>
namespace GradientSignal
{
class GradientPreviewWidget;
class GradientPreviewDataWidget
: public QWidget
, public LmbrCentral::DependencyNotificationBus::Handler
, public GradientPreviewRequestBus::Handler
{
public:
GradientPreviewDataWidget(QWidget* parent = nullptr);
~GradientPreviewDataWidget() override;
void SetGradientSampler(const GradientSampler& sampler);
void SetGradientSampleFilter(GradientPreviewWidget::SampleFilterFunc sampleFunc);
void SetGradientEntity(const AZ::EntityId& id);
//////////////////////////////////////////////////////////////////////////
// LmbrCentral::DependencyNotificationBus::Handler
void OnCompositionChanged() override;
//////////////////////////////////////////////////////////////////////////
// GradientPreviewRequestBus::Handler
void Refresh() override;
AZ::EntityId CancelRefresh() override;
void PreventRefresh(bool preventRefresh);
private:
GradientPreviewWidget::SampleFilterFunc m_sampleFilterFunc;
GradientSampler m_sampler;
GradientPreviewWidget* m_preview = nullptr;
GradientPreviewWidget* m_previewWindow = nullptr;
AZ::EntityId m_observerEntityStub;
LmbrCentral::DependencyMonitor m_dependencyMonitor;
bool m_refreshInProgress = false;
bool m_preventRefresh = false;
bool m_refreshQueued = false;
};
class GradientPreviewDataWidgetHandler
: public AzToolsFramework::GenericPropertyHandler<GradientPreviewDataWidget>
{
public:
AZ_CLASS_ALLOCATOR(GradientPreviewDataWidgetHandler, AZ::SystemAllocator, 0);
AZ::u32 GetHandlerName() const override;
bool ReadValueIntoGUI(size_t index, GradientPreviewDataWidget* GUI, void* value, const AZ::Uuid& propertyType) override;
void ConsumeAttribute(GradientPreviewDataWidget* GUI, AZ::u32 attrib, AzToolsFramework::PropertyAttributeReader* attrValue, const char* debugName) override;
QWidget* CreateGUI(QWidget* pParent) override;
void PreventRefresh(QWidget* widget, bool shouldPrevent) override;
static void Register();
static void Unregister();
};
}