terminal/src/renderer/vt/vtrenderer.hpp
Leonard Hecker 9cb4fc4373 wip
2021-10-10 20:31:03 +02:00

251 lines
11 KiB
C++

/*++
Copyright (c) Microsoft Corporation
Licensed under the MIT license.
Module Name:
- VtRenderer.hpp
Abstract:
- This is the definition of the VT specific implementation of the renderer.
Author(s):
- Michael Niksa (MiNiksa) 24-Jul-2017
- Mike Griese (migrie) 01-Sept-2017
--*/
#pragma once
#include "../inc/RenderEngineBase.hpp"
#include "../../inc/ITerminalOutputConnection.hpp"
#include "../../inc/ITerminalOwner.hpp"
#include "../../types/inc/Viewport.hpp"
#include "tracing.hpp"
#include <string>
#include <functional>
// fwdecl unittest classes
#ifdef UNIT_TESTING
namespace TerminalCoreUnitTests
{
class ConptyRoundtripTests;
};
#endif
namespace Microsoft::Console::Render
{
class VtEngine : public RenderEngineBase, public Microsoft::Console::ITerminalOutputConnection
{
public:
// See _PaintUtf8BufferLine for explanation of this value.
static const size_t ERASE_CHARACTER_STRING_LENGTH = 8;
static const COORD INVALID_COORDS;
VtEngine(_In_ wil::unique_hfile hPipe,
const Microsoft::Console::Types::Viewport initialViewport);
virtual ~VtEngine() override = default;
[[nodiscard]] HRESULT InvalidateSelection(const std::vector<SMALL_RECT>& rectangles) noexcept override;
[[nodiscard]] virtual HRESULT InvalidateScroll(const COORD* const pcoordDelta) noexcept = 0;
[[nodiscard]] HRESULT InvalidateSystem(const RECT* const prcDirtyClient) noexcept override;
[[nodiscard]] HRESULT Invalidate(const SMALL_RECT* const psrRegion) noexcept override;
[[nodiscard]] HRESULT InvalidateCursor(const SMALL_RECT* const psrRegion) noexcept override;
[[nodiscard]] HRESULT InvalidateAll() noexcept override;
[[nodiscard]] HRESULT InvalidateCircling(_Out_ bool* const pForcePaint) noexcept override;
[[nodiscard]] HRESULT PrepareForTeardown(_Out_ bool* const pForcePaint) noexcept override;
[[nodiscard]] virtual HRESULT StartPaint() noexcept override;
[[nodiscard]] virtual HRESULT EndPaint() noexcept override;
[[nodiscard]] virtual HRESULT Present() noexcept override;
[[nodiscard]] virtual HRESULT ScrollFrame() noexcept = 0;
[[nodiscard]] HRESULT PaintBackground() noexcept override;
[[nodiscard]] virtual HRESULT PaintBufferLine(gsl::span<const Cluster> const clusters,
const COORD coord,
const bool trimLeft,
const bool lineWrapped) noexcept override;
[[nodiscard]] HRESULT PaintBufferGridLines(const GridLineSet lines,
const COLORREF color,
const size_t cchLine,
const COORD coordTarget) noexcept override;
[[nodiscard]] HRESULT PaintSelection(const SMALL_RECT rect) noexcept override;
[[nodiscard]] virtual HRESULT PaintCursor(const CursorOptions& options) noexcept override;
[[nodiscard]] virtual HRESULT UpdateDrawingBrushes(const TextAttribute& textAttributes,
const gsl::not_null<IRenderData*> pData,
const bool usingSoftFont,
const bool isSettingDefaultBrushes) noexcept = 0;
[[nodiscard]] HRESULT UpdateFont(const FontInfoDesired& pfiFontInfoDesired,
_Out_ FontInfo& pfiFontInfo) noexcept override;
[[nodiscard]] HRESULT UpdateDpi(const int iDpi) noexcept override;
[[nodiscard]] HRESULT UpdateViewport(const SMALL_RECT srNewViewport) noexcept override;
[[nodiscard]] HRESULT GetProposedFont(const FontInfoDesired& FontDesired,
_Out_ FontInfo& Font,
const int iDpi) noexcept override;
[[nodiscard]] HRESULT GetDirtyArea(gsl::span<const til::rectangle>& area) noexcept override;
[[nodiscard]] HRESULT GetFontSize(_Out_ COORD* const pFontSize) noexcept override;
[[nodiscard]] HRESULT SuppressResizeRepaint() noexcept;
[[nodiscard]] HRESULT RequestCursor() noexcept;
[[nodiscard]] HRESULT InheritCursor(const COORD coordCursor) noexcept;
[[nodiscard]] HRESULT WriteTerminalUtf8(const std::string_view str) noexcept;
[[nodiscard]] virtual HRESULT WriteTerminalW(const std::wstring_view str) noexcept = 0;
void SetTerminalOwner(Microsoft::Console::ITerminalOwner* const terminalOwner);
void BeginResizeRequest();
void EndResizeRequest();
void SetResizeQuirk(const bool resizeQuirk);
[[nodiscard]] virtual HRESULT ManuallyClearScrollback() noexcept;
[[nodiscard]] HRESULT RequestWin32Input() noexcept;
protected:
wil::unique_hfile _hFile;
std::string _buffer;
std::string _formatBuffer;
std::string _conversionBuffer;
TextAttribute _lastTextAttributes;
Microsoft::Console::Types::Viewport _lastViewport;
std::pmr::unsynchronized_pool_resource _pool;
til::pmr::bitmap _invalidMap;
COORD _lastText;
til::point _scrollDelta;
bool _quickReturn;
bool _clearedAllThisFrame;
bool _cursorMoved;
bool _resized;
bool _suppressResizeRepaint;
SHORT _virtualTop;
bool _circled;
bool _firstPaint;
bool _skipCursor;
bool _newBottomLine;
COORD _deferredCursorPos;
bool _pipeBroken;
HRESULT _exitResult;
Microsoft::Console::ITerminalOwner* _terminalOwner;
Microsoft::Console::VirtualTerminal::RenderTracing _trace;
bool _inResizeRequest{ false };
std::optional<short> _wrappedRow{ std::nullopt };
bool _delayedEolWrap{ false };
bool _resizeQuirk{ false };
std::optional<TextColor> _newBottomLineBG{ std::nullopt };
[[nodiscard]] HRESULT _Write(std::string_view const str) noexcept;
[[nodiscard]] HRESULT _Flush() noexcept;
template<typename S, typename... Args>
[[nodiscard]] HRESULT _WriteFormatted(S&& format, Args&&... args)
try
{
fmt::basic_memory_buffer<char, 64> buf;
fmt::format_to(std::back_inserter(buf), std::forward<S>(format), std::forward<Args>(args)...);
return _Write({ buf.data(), buf.size() });
}
CATCH_RETURN()
void _OrRect(_Inout_ SMALL_RECT* const pRectExisting, const SMALL_RECT* const pRectToOr) const;
bool _AllIsInvalid() const;
[[nodiscard]] HRESULT _StopCursorBlinking() noexcept;
[[nodiscard]] HRESULT _StartCursorBlinking() noexcept;
[[nodiscard]] HRESULT _HideCursor() noexcept;
[[nodiscard]] HRESULT _ShowCursor() noexcept;
[[nodiscard]] HRESULT _EraseLine() noexcept;
[[nodiscard]] HRESULT _InsertDeleteLine(const short sLines, const bool fInsertLine) noexcept;
[[nodiscard]] HRESULT _DeleteLine(const short sLines) noexcept;
[[nodiscard]] HRESULT _InsertLine(const short sLines) noexcept;
[[nodiscard]] HRESULT _CursorForward(const short chars) noexcept;
[[nodiscard]] HRESULT _EraseCharacter(const short chars) noexcept;
[[nodiscard]] HRESULT _CursorPosition(const COORD coord) noexcept;
[[nodiscard]] HRESULT _CursorHome() noexcept;
[[nodiscard]] HRESULT _ClearScreen() noexcept;
[[nodiscard]] HRESULT _ClearScrollback() noexcept;
[[nodiscard]] HRESULT _ChangeTitle(const std::string& title) noexcept;
[[nodiscard]] HRESULT _SetGraphicsRendition16Color(const WORD wAttr,
const bool fIsForeground) noexcept;
[[nodiscard]] HRESULT _SetGraphicsRendition256Color(const WORD index,
const bool fIsForeground) noexcept;
[[nodiscard]] HRESULT _SetGraphicsRenditionRGBColor(const COLORREF color,
const bool fIsForeground) noexcept;
[[nodiscard]] HRESULT _SetGraphicsRenditionDefaultColor(const bool fIsForeground) noexcept;
[[nodiscard]] HRESULT _SetGraphicsDefault() noexcept;
[[nodiscard]] HRESULT _ResizeWindow(const short sWidth, const short sHeight) noexcept;
[[nodiscard]] HRESULT _SetBold(const bool isBold) noexcept;
[[nodiscard]] HRESULT _SetFaint(const bool isFaint) noexcept;
[[nodiscard]] HRESULT _SetUnderlined(const bool isUnderlined) noexcept;
[[nodiscard]] HRESULT _SetDoublyUnderlined(const bool isUnderlined) noexcept;
[[nodiscard]] HRESULT _SetOverlined(const bool isOverlined) noexcept;
[[nodiscard]] HRESULT _SetItalic(const bool isItalic) noexcept;
[[nodiscard]] HRESULT _SetBlinking(const bool isBlinking) noexcept;
[[nodiscard]] HRESULT _SetInvisible(const bool isInvisible) noexcept;
[[nodiscard]] HRESULT _SetCrossedOut(const bool isCrossedOut) noexcept;
[[nodiscard]] HRESULT _SetReverseVideo(const bool isReversed) noexcept;
[[nodiscard]] HRESULT _SetHyperlink(const std::wstring_view& uri, const std::wstring_view& customId, const uint16_t& numberId) noexcept;
[[nodiscard]] HRESULT _EndHyperlink() noexcept;
[[nodiscard]] HRESULT _RequestCursor() noexcept;
[[nodiscard]] HRESULT _RequestWin32Input() noexcept;
[[nodiscard]] virtual HRESULT _MoveCursor(const COORD coord) noexcept = 0;
[[nodiscard]] HRESULT _RgbUpdateDrawingBrushes(const TextAttribute& textAttributes) noexcept;
[[nodiscard]] HRESULT _16ColorUpdateDrawingBrushes(const TextAttribute& textAttributes) noexcept;
bool _WillWriteSingleChar() const;
// buffer space for these two functions to build their lines
// so they don't have to alloc/free in a tight loop
std::wstring _bufferLine;
[[nodiscard]] HRESULT _PaintUtf8BufferLine(gsl::span<const Cluster> const clusters,
const COORD coord,
const bool lineWrapped) noexcept;
[[nodiscard]] HRESULT _PaintAsciiBufferLine(gsl::span<const Cluster> const clusters,
const COORD coord) noexcept;
[[nodiscard]] HRESULT _WriteTerminalUtf8(const std::wstring_view str) noexcept;
[[nodiscard]] HRESULT _WriteTerminalAscii(const std::wstring_view str) noexcept;
[[nodiscard]] virtual HRESULT _DoUpdateTitle(const std::wstring_view newTitle) noexcept override;
/////////////////////////// Unit Testing Helpers ///////////////////////////
#ifdef UNIT_TESTING
std::function<bool(const char* const, size_t const)> _pfnTestCallback;
bool _usingTestCallback;
friend class VtRendererTest;
friend class ConptyOutputTests;
friend class TerminalCoreUnitTests::ConptyRoundtripTests;
#endif
void SetTestCallback(_In_ std::function<bool(const char* const, size_t const)> pfn);
};
}