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75 lines
2.7 KiB
C++
75 lines
2.7 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#pragma once
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#include <Atom/Feature/ImGui/SystemBus.h>
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#include <AzCore/Component/Component.h>
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#include <AzCore/Component/TickBus.h>
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#include <AzFramework/Input/Events/InputTextEventListener.h>
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#include <AzFramework/Input/Events/InputChannelEventListener.h>
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#include <AzFramework/Windowing/WindowBus.h>
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namespace AZ
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{
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namespace Render
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{
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class ImGuiFeatureProcessor;
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class ImGuiPass;
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class ImGuiSystemComponent final
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: public AZ::Component
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, public ImGuiSystemRequestBus::Handler
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{
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public:
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AZ_COMPONENT(ImGuiSystemComponent, "1A8549B6-B8CC-4C45-9312-DD8A032DA71F");
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static void Reflect(AZ::ReflectContext* context);
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static void GetProvidedServices(AZ::ComponentDescriptor::DependencyArrayType& provided);
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static void GetRequiredServices(AZ::ComponentDescriptor::DependencyArrayType& required);
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static void GetIncompatibleServices(AZ::ComponentDescriptor::DependencyArrayType& incompatbile);
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ImGuiSystemComponent();
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~ImGuiSystemComponent() override = default;
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/// AZ::Component
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void Activate() override;
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void Deactivate() override;
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private:
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/// ImGuiSystemRequestBus::Handler
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void SetGlobalSizeScale(float scale) override;
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void SetGlobalFontScale(float scale) override;
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void HideAllImGuiPasses() override;
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void ShowAllImGuiPasses() override;
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void PushDefaultImGuiPass(ImGuiPass* imguiPass) override;
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void RemoveDefaultImGuiPass(ImGuiPass* imguiPass) override;
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ImGuiPass* GetDefaultImGuiPass() override;
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bool PushActiveContextFromDefaultPass() override;
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bool PushActiveContextFromPass(const AZStd::vector<AZStd::string>& passHierarchy) override;
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bool PopActiveContext() override;
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ImGuiContext* GetActiveContext() override;
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bool RenderImGuiBuffersToCurrentViewport(const ImDrawData& drawData) override;
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using PassFunction = AZStd::function<void(ImGuiPass* pass)>;
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void ForAllImGuiPasses(PassFunction func);
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AZStd::vector<ImGuiContext*> m_activeContextStack;
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AZStd::vector<ImGuiPass*> m_defaultImguiPassStack;
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float m_fontScale = 1.0f; ///< Global scale applied only to the font
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float m_sizeScale = 1.0f; ///< Global size scale. This doesn't apply to fonts.
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};
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} // namespace RPI
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} // namespace AZ
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