Integrating latest 47acbe8

Code/Sandbox/Editor/LegacyViewportCameraController.h

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+/*
+* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
+* its licensors.
+*
+* For complete copyright and license terms please see the LICENSE at the root of this
+* distribution (the "License"). All use of this software is governed by the License,
+* or, if provided, by the license below or the license accompanying this file. Do not
+* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*
+*/
+
+#pragma once
+
+#include <AzFramework/Viewport/ViewportId.h>
+#include <AzFramework/Viewport/MultiViewportController.h>
+#include <AzCore/Math/Vector3.h>
+
+#include <Atom/RPI.Public/Base.h>
+
+#include <QtCore/qnamespace.h>
+#include <QPoint>
+
+namespace SandboxEditor
+{
+    class LegacyViewportCameraControllerInstance final
+        : public AzFramework::MultiViewportControllerInstanceInterface
+    {
+    public:
+        explicit LegacyViewportCameraControllerInstance(AzFramework::ViewportId viewport);
+
+        bool HandleInputChannelEvent(const AzFramework::ViewportControllerInputEvent& event) override;
+        void UpdateViewport(const AzFramework::ViewportControllerUpdateEvent& event) override;
+
+    private:
+        bool JustAltHeld() const;
+        bool NoModifierHeld() const;
+        bool AllowDolly() const;
+        bool AllowOrbit() const;
+        bool AllowPan() const;
+        bool InvertPan() const;
+
+        static Qt::KeyboardModifier GetKeyboardModifier(const AzFramework::InputChannel& inputChannel);
+        static Qt::Key GetKeyboardKey(const AzFramework::InputChannel& inputChannel);
+
+        AZ::RPI::ViewportContextPtr GetViewportContext();
+
+        bool HandleMouseMove(const QPoint& currentMousePos, const QPoint& previousMousePos);
+        bool HandleMouseWheel(float zDelta);
+        bool IsKeyDown(Qt::Key key) const;
+
+        bool m_inRotateMode = false;
+        bool m_inMoveMode = false;
+        bool m_inOrbitMode = false;
+        bool m_inZoomMode = false;
+        float m_orbitDistance = 10.f;
+        float m_moveSpeed = 1.f;
+        AZ::Vector3 m_orbitTarget = {};
+        unsigned int m_modifiers = {};
+        AZStd::unordered_set<Qt::Key> m_pressedKeys;
+        bool m_capturingCursor = false;
+    };
+
+    using LegacyViewportCameraController = AzFramework::MultiViewportController<LegacyViewportCameraControllerInstance>;
+} //namespace SandboxEditor