79 lines
3.9 KiB
C++
79 lines
3.9 KiB
C++
/*++
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Copyright (c) Microsoft Corporation
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Licensed under the MIT license.
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Module Name:
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- UiaRenderer.hpp
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Abstract:
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- This is the definition of the UIA specific implementation of the renderer
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- It keeps track of what regions of the display have changed and notifies automation clients.
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Author(s):
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- Carlos Zamora (CaZamor) Sep-2019
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--*/
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#pragma once
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#include "../../renderer/inc/RenderEngineBase.hpp"
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#include "../../types/IUiaEventDispatcher.h"
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#include "../../types/inc/Viewport.hpp"
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namespace Microsoft::Console::Render
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{
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class UiaEngine final : public RenderEngineBase
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{
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public:
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UiaEngine(Microsoft::Console::Types::IUiaEventDispatcher* dispatcher);
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// Only one UiaEngine may present information at a time.
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// This ensures that an automation client isn't overwhelmed
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// by events when there are multiple TermControls
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[[nodiscard]] HRESULT Enable() noexcept;
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[[nodiscard]] HRESULT Disable() noexcept;
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// IRenderEngine Members
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[[nodiscard]] HRESULT StartPaint() noexcept override;
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[[nodiscard]] HRESULT EndPaint() noexcept override;
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void WaitUntilCanRender() noexcept override;
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[[nodiscard]] HRESULT Present() noexcept override;
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[[nodiscard]] HRESULT PrepareForTeardown(_Out_ bool* const pForcePaint) noexcept override;
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[[nodiscard]] HRESULT ScrollFrame() noexcept override;
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[[nodiscard]] HRESULT Invalidate(const SMALL_RECT* const psrRegion) noexcept override;
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[[nodiscard]] HRESULT InvalidateCursor(const SMALL_RECT* const psrRegion) noexcept override;
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[[nodiscard]] HRESULT InvalidateSystem(const RECT* const prcDirtyClient) noexcept override;
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[[nodiscard]] HRESULT InvalidateSelection(const std::vector<SMALL_RECT>& rectangles) noexcept override;
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[[nodiscard]] HRESULT InvalidateScroll(const COORD* const pcoordDelta) noexcept override;
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[[nodiscard]] HRESULT InvalidateAll() noexcept override;
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[[nodiscard]] HRESULT InvalidateCircling(_Out_ bool* const pForcePaint) noexcept override;
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[[nodiscard]] HRESULT PaintBackground() noexcept override;
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[[nodiscard]] HRESULT PaintBufferLine(gsl::span<const Cluster> const clusters, COORD const coord, bool const fTrimLeft, const bool lineWrapped) noexcept override;
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[[nodiscard]] HRESULT PaintBufferGridLines(GridLineSet const lines, COLORREF const color, size_t const cchLine, COORD const coordTarget) noexcept override;
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[[nodiscard]] HRESULT PaintSelection(const SMALL_RECT rect) noexcept override;
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[[nodiscard]] HRESULT PaintCursor(const CursorOptions& options) noexcept override;
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[[nodiscard]] HRESULT UpdateDrawingBrushes(const TextAttribute& textAttributes, const gsl::not_null<IRenderData*> pData, const bool usingSoftFont, const bool isSettingDefaultBrushes) noexcept override;
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[[nodiscard]] HRESULT UpdateFont(const FontInfoDesired& FontInfoDesired, _Out_ FontInfo& FontInfo) noexcept override;
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[[nodiscard]] HRESULT UpdateDpi(const int iDpi) noexcept override;
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[[nodiscard]] HRESULT UpdateViewport(const SMALL_RECT srNewViewport) noexcept override;
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[[nodiscard]] HRESULT GetProposedFont(const FontInfoDesired& FontInfoDesired, _Out_ FontInfo& FontInfo, const int iDpi) noexcept override;
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[[nodiscard]] HRESULT GetDirtyArea(gsl::span<const til::rectangle>& area) noexcept override;
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[[nodiscard]] HRESULT GetFontSize(_Out_ COORD* const pFontSize) noexcept override;
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protected:
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[[nodiscard]] HRESULT _DoUpdateTitle(const std::wstring_view newTitle) noexcept override;
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private:
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bool _isEnabled;
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bool _isPainting;
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bool _selectionChanged;
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bool _textBufferChanged;
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bool _cursorChanged;
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Microsoft::Console::Types::IUiaEventDispatcher* _dispatcher;
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std::vector<SMALL_RECT> _prevSelection;
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SMALL_RECT _prevCursorRegion;
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};
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}
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