e675de3a88
## Summary of the Pull Request This adds support for the [`DECSCNM`](https://vt100.net/docs/vt510-rm/DECSCNM.html) private mode escape sequence, which toggles the display between normal and reverse screen modes. When reversed, the background and foreground colors are switched. Tested manually, with [Vttest](https://invisible-island.net/vttest/), and with some new unit tests. ## References This also fixes issue #72 for the most part, although if you toggle the mode too fast, there is no discernible flash. ## PR Checklist * [x] Closes #3773 * [x] CLA signed. If not, go over [here](https://cla.opensource.microsoft.com/microsoft/Terminal) and sign the CLA * [x] Tests added/passed * [ ] Requires documentation to be updated * [ ] I've discussed this with core contributors already. If not checked, I'm ready to accept this work might be rejected in favor of a different grand plan. Issue number where discussion took place: #xxx ## Detailed Description of the Pull Request / Additional comments I've implemented this as a new flag in the `Settings` class, along with updates to the `LookupForegroundColor` and `LookupBackgroundColor` methods, to switch the returned foreground and background colors when that flag is set. It also required a new private API in the `ConGetSet` interface to toggle the setting. And that API is then called from the `AdaptDispatch` class when the screen mode escape sequence is received. The last thing needed was to add a step to the `HardReset` method, to reset the mode back to normal, which is one of the `RIS` requirements. Note that this does currently work in the Windows Terminal, but once #2661 is implemented that may no longer be the case. It might become necessary to let the mode change sequences pass through conpty, and handle the color reversing on the client side. ## Validation Steps Performed I've added a state machine test to make sure the escape sequence is dispatched correctly, and a screen buffer test to confirm that the mode change does alter the interpretation of colors as expected. I've also confirmed that the various "light background" tests in Vttest now display correctly, and that the `tput flash` command (in a bash shell) does actually cause the screen to flash.
262 lines
8.5 KiB
C++
262 lines
8.5 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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- settings.hpp
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Abstract:
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- This module is used for all configurable settings in the console
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Author(s):
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- Michael Niksa (MiNiksa) 23-Jul-2014
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- Paul Campbell (PaulCam) 23-Jul-2014
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Revision History:
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- From components of consrv.h
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- This is a reduced/de-duplicated version of settings that were stored in the registry, link files, and in the console information state.
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--*/
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#pragma once
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#include "../buffer/out/TextAttribute.hpp"
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// To prevent invisible windows, set a lower threshold on window alpha channel.
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constexpr unsigned short MIN_WINDOW_OPACITY = 0x4D; // 0x4D is approximately 30% visible/opaque (70% transparent). Valid range is 0x00-0xff.
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#include "ConsoleArguments.hpp"
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#include "../inc/conattrs.hpp"
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class Settings
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{
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public:
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Settings();
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void ApplyDesktopSpecificDefaults();
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void ApplyStartupInfo(const Settings* const pStartupSettings);
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void ApplyCommandlineArguments(const ConsoleArguments& consoleArgs);
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void InitFromStateInfo(_In_ PCONSOLE_STATE_INFO pStateInfo);
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void Validate();
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CONSOLE_STATE_INFO CreateConsoleStateInfo() const;
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DWORD GetVirtTermLevel() const;
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void SetVirtTermLevel(const DWORD dwVirtTermLevel);
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bool IsAltF4CloseAllowed() const;
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void SetAltF4CloseAllowed(const bool fAllowAltF4Close);
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bool IsReturnOnNewlineAutomatic() const;
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void SetAutomaticReturnOnNewline(const bool fAutoReturnOnNewline);
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bool IsGridRenderingAllowedWorldwide() const;
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void SetGridRenderingAllowedWorldwide(const bool fGridRenderingAllowed);
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bool IsScreenReversed() const;
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void SetScreenReversed(const bool fScreenReversed);
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bool GetFilterOnPaste() const;
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void SetFilterOnPaste(const bool fFilterOnPaste);
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const std::wstring_view GetLaunchFaceName() const;
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void SetLaunchFaceName(const std::wstring_view launchFaceName);
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UINT GetCodePage() const;
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void SetCodePage(const UINT uCodePage);
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UINT GetScrollScale() const;
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void SetScrollScale(const UINT uScrollScale);
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bool GetTrimLeadingZeros() const;
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void SetTrimLeadingZeros(const bool fTrimLeadingZeros);
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bool GetEnableColorSelection() const;
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void SetEnableColorSelection(const bool fEnableColorSelection);
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bool GetLineSelection() const;
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void SetLineSelection(const bool bLineSelection);
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bool GetWrapText() const;
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void SetWrapText(const bool bWrapText);
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bool GetCtrlKeyShortcutsDisabled() const;
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void SetCtrlKeyShortcutsDisabled(const bool fCtrlKeyShortcutsDisabled);
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BYTE GetWindowAlpha() const;
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void SetWindowAlpha(const BYTE bWindowAlpha);
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DWORD GetHotKey() const;
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void SetHotKey(const DWORD dwHotKey);
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bool IsStartupTitleIsLinkNameSet() const;
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DWORD GetStartupFlags() const;
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void SetStartupFlags(const DWORD dwStartupFlags);
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void UnsetStartupFlag(const DWORD dwFlagToUnset);
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WORD GetFillAttribute() const;
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void SetFillAttribute(const WORD wFillAttribute);
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WORD GetPopupFillAttribute() const;
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void SetPopupFillAttribute(const WORD wPopupFillAttribute);
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WORD GetShowWindow() const;
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void SetShowWindow(const WORD wShowWindow);
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WORD GetReserved() const;
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void SetReserved(const WORD wReserved);
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COORD GetScreenBufferSize() const;
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void SetScreenBufferSize(const COORD dwScreenBufferSize);
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COORD GetWindowSize() const;
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void SetWindowSize(const COORD dwWindowSize);
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bool IsWindowSizePixelsValid() const;
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COORD GetWindowSizePixels() const;
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void SetWindowSizePixels(const COORD dwWindowSizePixels);
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COORD GetWindowOrigin() const;
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void SetWindowOrigin(const COORD dwWindowOrigin);
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DWORD GetFont() const;
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void SetFont(const DWORD dwFont);
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COORD GetFontSize() const;
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void SetFontSize(const COORD dwFontSize);
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UINT GetFontFamily() const;
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void SetFontFamily(const UINT uFontFamily);
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UINT GetFontWeight() const;
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void SetFontWeight(const UINT uFontWeight);
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const WCHAR* const GetFaceName() const;
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bool IsFaceNameSet() const;
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void SetFaceName(const std::wstring_view faceName);
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UINT GetCursorSize() const;
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void SetCursorSize(const UINT uCursorSize);
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bool GetFullScreen() const;
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void SetFullScreen(const bool fFullScreen);
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bool GetQuickEdit() const;
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void SetQuickEdit(const bool fQuickEdit);
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bool GetInsertMode() const;
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void SetInsertMode(const bool fInsertMode);
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bool GetAutoPosition() const;
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void SetAutoPosition(const bool fAutoPosition);
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UINT GetHistoryBufferSize() const;
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void SetHistoryBufferSize(const UINT uHistoryBufferSize);
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UINT GetNumberOfHistoryBuffers() const;
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void SetNumberOfHistoryBuffers(const UINT uNumberOfHistoryBuffers);
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bool GetHistoryNoDup() const;
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void SetHistoryNoDup(const bool fHistoryNoDup);
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const COLORREF* const GetColorTable() const;
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const size_t GetColorTableSize() const;
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void SetColorTable(_In_reads_(cSize) const COLORREF* const pColorTable, const size_t cSize);
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void SetColorTableEntry(const size_t index, const COLORREF ColorValue);
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COLORREF GetColorTableEntry(const size_t index) const;
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COLORREF GetCursorColor() const noexcept;
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CursorType GetCursorType() const noexcept;
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void SetCursorColor(const COLORREF CursorColor) noexcept;
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void SetCursorType(const CursorType cursorType) noexcept;
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bool GetInterceptCopyPaste() const noexcept;
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void SetInterceptCopyPaste(const bool interceptCopyPaste) noexcept;
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COLORREF GetDefaultForegroundColor() const noexcept;
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void SetDefaultForegroundColor(const COLORREF defaultForeground) noexcept;
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COLORREF GetDefaultBackgroundColor() const noexcept;
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void SetDefaultBackgroundColor(const COLORREF defaultBackground) noexcept;
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TextAttribute GetDefaultAttributes() const noexcept;
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bool IsTerminalScrolling() const noexcept;
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void SetTerminalScrolling(const bool terminalScrollingEnabled) noexcept;
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bool GetUseDx() const noexcept;
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bool GetCopyColor() const noexcept;
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COLORREF CalculateDefaultForeground() const noexcept;
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COLORREF CalculateDefaultBackground() const noexcept;
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COLORREF LookupForegroundColor(const TextAttribute& attr) const noexcept;
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COLORREF LookupBackgroundColor(const TextAttribute& attr) const noexcept;
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private:
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DWORD _dwHotKey;
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DWORD _dwStartupFlags;
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WORD _wFillAttribute;
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WORD _wPopupFillAttribute;
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WORD _wShowWindow; // used when window is created
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WORD _wReserved;
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// START - This section filled via memcpy from shortcut properties. Do not rearrange/change.
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COORD _dwScreenBufferSize;
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COORD _dwWindowSize; // this is in characters.
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COORD _dwWindowOrigin; // used when window is created
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DWORD _nFont;
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COORD _dwFontSize;
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UINT _uFontFamily;
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UINT _uFontWeight;
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WCHAR _FaceName[LF_FACESIZE];
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UINT _uCursorSize;
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BOOL _bFullScreen; // deprecated
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BOOL _bQuickEdit;
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BOOL _bInsertMode; // used by command line editing
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BOOL _bAutoPosition;
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UINT _uHistoryBufferSize;
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UINT _uNumberOfHistoryBuffers;
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BOOL _bHistoryNoDup;
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COLORREF _ColorTable[COLOR_TABLE_SIZE];
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// END - memcpy
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UINT _uCodePage;
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UINT _uScrollScale;
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bool _fTrimLeadingZeros;
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bool _fEnableColorSelection;
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bool _bLineSelection;
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bool _bWrapText; // whether to use text wrapping when resizing the window
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bool _fCtrlKeyShortcutsDisabled; // disables Ctrl+<something> key intercepts
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BYTE _bWindowAlpha; // describes the opacity of the window
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bool _fFilterOnPaste; // should we filter text when the user pastes? (e.g. remove <tab>)
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std::wstring _LaunchFaceName;
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bool _fAllowAltF4Close;
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DWORD _dwVirtTermLevel;
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bool _fAutoReturnOnNewline;
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bool _fRenderGridWorldwide;
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bool _fScreenReversed;
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bool _fUseDx;
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bool _fCopyColor;
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COLORREF _XtermColorTable[XTERM_COLOR_TABLE_SIZE];
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// this is used for the special STARTF_USESIZE mode.
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bool _fUseWindowSizePixels;
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COORD _dwWindowSizePixels;
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// Technically a COLORREF, but using INVALID_COLOR as "Invert Colors"
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unsigned int _CursorColor;
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CursorType _CursorType;
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bool _fInterceptCopyPaste;
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COLORREF _DefaultForeground;
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COLORREF _DefaultBackground;
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bool _TerminalScrolling;
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friend class RegistrySerialization;
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public:
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WORD GenerateLegacyAttributes(const TextAttribute attributes) const;
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WORD FindNearestTableIndex(const COLORREF Color) const;
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};
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