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authorTSR Berry <20988865+TSRBerry@users.noreply.github.com>2023-04-08 01:22:00 +0200
committerMary <thog@protonmail.com>2023-04-27 23:51:14 +0200
commitcee712105850ac3385cd0091a923438167433f9f (patch)
tree4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /Ryujinx.HLE/HOS/Applets/SoftwareKeyboard/SoftwareKeyboardApplet.cs
parentcd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff)
Move solution and projects to src
Diffstat (limited to 'Ryujinx.HLE/HOS/Applets/SoftwareKeyboard/SoftwareKeyboardApplet.cs')
-rw-r--r--Ryujinx.HLE/HOS/Applets/SoftwareKeyboard/SoftwareKeyboardApplet.cs816
1 files changed, 0 insertions, 816 deletions
diff --git a/Ryujinx.HLE/HOS/Applets/SoftwareKeyboard/SoftwareKeyboardApplet.cs b/Ryujinx.HLE/HOS/Applets/SoftwareKeyboard/SoftwareKeyboardApplet.cs
deleted file mode 100644
index 278ea56c..00000000
--- a/Ryujinx.HLE/HOS/Applets/SoftwareKeyboard/SoftwareKeyboardApplet.cs
+++ /dev/null
@@ -1,816 +0,0 @@
-using Ryujinx.Common;
-using Ryujinx.Common.Configuration.Hid;
-using Ryujinx.Common.Logging;
-using Ryujinx.HLE.HOS.Applets.SoftwareKeyboard;
-using Ryujinx.HLE.HOS.Services.Am.AppletAE;
-using Ryujinx.HLE.HOS.Services.Hid.Types.SharedMemory.Npad;
-using Ryujinx.HLE.Ui;
-using Ryujinx.HLE.Ui.Input;
-using Ryujinx.Memory;
-using System;
-using System.Diagnostics;
-using System.Diagnostics.CodeAnalysis;
-using System.IO;
-using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
-using System.Text;
-
-namespace Ryujinx.HLE.HOS.Applets
-{
- internal class SoftwareKeyboardApplet : IApplet
- {
- private const string DefaultInputText = "Ryujinx";
-
- private const int StandardBufferSize = 0x7D8;
- private const int InteractiveBufferSize = 0x7D4;
- private const int MaxUserWords = 0x1388;
- private const int MaxUiTextSize = 100;
-
- private const Key CycleInputModesKey = Key.F6;
-
- private readonly Switch _device;
-
- private SoftwareKeyboardState _foregroundState = SoftwareKeyboardState.Uninitialized;
- private volatile InlineKeyboardState _backgroundState = InlineKeyboardState.Uninitialized;
-
- private bool _isBackground = false;
-
- private AppletSession _normalSession;
- private AppletSession _interactiveSession;
-
- // Configuration for foreground mode.
- private SoftwareKeyboardConfig _keyboardForegroundConfig;
-
- // Configuration for background (inline) mode.
- private SoftwareKeyboardInitialize _keyboardBackgroundInitialize;
- private SoftwareKeyboardCustomizeDic _keyboardBackgroundDic;
- private SoftwareKeyboardDictSet _keyboardBackgroundDictSet;
- private SoftwareKeyboardUserWord[] _keyboardBackgroundUserWords;
-
- private byte[] _transferMemory;
-
- private string _textValue = "";
- private int _cursorBegin = 0;
- private Encoding _encoding = Encoding.Unicode;
- private KeyboardResult _lastResult = KeyboardResult.NotSet;
-
- private IDynamicTextInputHandler _dynamicTextInputHandler = null;
- private SoftwareKeyboardRenderer _keyboardRenderer = null;
- private NpadReader _npads = null;
- private bool _canAcceptController = false;
- private KeyboardInputMode _inputMode = KeyboardInputMode.ControllerAndKeyboard;
-
- private object _lock = new object();
-
- public event EventHandler AppletStateChanged;
-
- public SoftwareKeyboardApplet(Horizon system)
- {
- _device = system.Device;
- }
-
- public ResultCode Start(AppletSession normalSession, AppletSession interactiveSession)
- {
- lock (_lock)
- {
- _normalSession = normalSession;
- _interactiveSession = interactiveSession;
-
- _interactiveSession.DataAvailable += OnInteractiveData;
-
- var launchParams = _normalSession.Pop();
- var keyboardConfig = _normalSession.Pop();
-
- _isBackground = keyboardConfig.Length == Unsafe.SizeOf<SoftwareKeyboardInitialize>();
-
- if (_isBackground)
- {
- // Initialize the keyboard applet in background mode.
-
- _keyboardBackgroundInitialize = MemoryMarshal.Read<SoftwareKeyboardInitialize>(keyboardConfig);
- _backgroundState = InlineKeyboardState.Uninitialized;
-
- if (_device.UiHandler == null)
- {
- Logger.Error?.Print(LogClass.ServiceAm, "GUI Handler is not set, software keyboard applet will not work properly");
- }
- else
- {
- // Create a text handler that converts keyboard strokes to strings.
- _dynamicTextInputHandler = _device.UiHandler.CreateDynamicTextInputHandler();
- _dynamicTextInputHandler.TextChangedEvent += HandleTextChangedEvent;
- _dynamicTextInputHandler.KeyPressedEvent += HandleKeyPressedEvent;
-
- _npads = new NpadReader(_device);
- _npads.NpadButtonDownEvent += HandleNpadButtonDownEvent;
- _npads.NpadButtonUpEvent += HandleNpadButtonUpEvent;
-
- _keyboardRenderer = new SoftwareKeyboardRenderer(_device.UiHandler.HostUiTheme);
- }
-
- return ResultCode.Success;
- }
- else
- {
- // Initialize the keyboard applet in foreground mode.
-
- if (keyboardConfig.Length < Marshal.SizeOf<SoftwareKeyboardConfig>())
- {
- Logger.Error?.Print(LogClass.ServiceAm, $"SoftwareKeyboardConfig size mismatch. Expected {Marshal.SizeOf<SoftwareKeyboardConfig>():x}. Got {keyboardConfig.Length:x}");
- }
- else
- {
- _keyboardForegroundConfig = ReadStruct<SoftwareKeyboardConfig>(keyboardConfig);
- }
-
- if (!_normalSession.TryPop(out _transferMemory))
- {
- Logger.Error?.Print(LogClass.ServiceAm, "SwKbd Transfer Memory is null");
- }
-
- if (_keyboardForegroundConfig.UseUtf8)
- {
- _encoding = Encoding.UTF8;
- }
-
- _foregroundState = SoftwareKeyboardState.Ready;
-
- ExecuteForegroundKeyboard();
-
- return ResultCode.Success;
- }
- }
- }
-
- public ResultCode GetResult()
- {
- return ResultCode.Success;
- }
-
- private bool IsKeyboardActive()
- {
- return _backgroundState >= InlineKeyboardState.Appearing && _backgroundState < InlineKeyboardState.Disappearing;
- }
-
- private bool InputModeControllerEnabled()
- {
- return _inputMode == KeyboardInputMode.ControllerAndKeyboard ||
- _inputMode == KeyboardInputMode.ControllerOnly;
- }
-
- private bool InputModeTypingEnabled()
- {
- return _inputMode == KeyboardInputMode.ControllerAndKeyboard ||
- _inputMode == KeyboardInputMode.KeyboardOnly;
- }
-
- private void AdvanceInputMode()
- {
- _inputMode = (KeyboardInputMode)((int)(_inputMode + 1) % (int)KeyboardInputMode.Count);
- }
-
- public bool DrawTo(RenderingSurfaceInfo surfaceInfo, IVirtualMemoryManager destination, ulong position)
- {
- _npads?.Update();
-
- _keyboardRenderer?.SetSurfaceInfo(surfaceInfo);
-
- return _keyboardRenderer?.DrawTo(destination, position) ?? false;
- }
-
- private void ExecuteForegroundKeyboard()
- {
- string initialText = null;
-
- // Initial Text is always encoded as a UTF-16 string in the work buffer (passed as transfer memory)
- // InitialStringOffset points to the memory offset and InitialStringLength is the number of UTF-16 characters
- if (_transferMemory != null && _keyboardForegroundConfig.InitialStringLength > 0)
- {
- initialText = Encoding.Unicode.GetString(_transferMemory, _keyboardForegroundConfig.InitialStringOffset,
- 2 * _keyboardForegroundConfig.InitialStringLength);
- }
-
- // If the max string length is 0, we set it to a large default
- // length.
- if (_keyboardForegroundConfig.StringLengthMax == 0)
- {
- _keyboardForegroundConfig.StringLengthMax = 100;
- }
-
- if (_device.UiHandler == null)
- {
- Logger.Warning?.Print(LogClass.Application, "GUI Handler is not set. Falling back to default");
-
- _textValue = DefaultInputText;
- _lastResult = KeyboardResult.Accept;
- }
- else
- {
- // Call the configured GUI handler to get user's input.
- var args = new SoftwareKeyboardUiArgs
- {
- HeaderText = StripUnicodeControlCodes(_keyboardForegroundConfig.HeaderText),
- SubtitleText = StripUnicodeControlCodes(_keyboardForegroundConfig.SubtitleText),
- GuideText = StripUnicodeControlCodes(_keyboardForegroundConfig.GuideText),
- SubmitText = (!string.IsNullOrWhiteSpace(_keyboardForegroundConfig.SubmitText) ?
- _keyboardForegroundConfig.SubmitText : "OK"),
- StringLengthMin = _keyboardForegroundConfig.StringLengthMin,
- StringLengthMax = _keyboardForegroundConfig.StringLengthMax,
- InitialText = initialText
- };
-
- _lastResult = _device.UiHandler.DisplayInputDialog(args, out _textValue) ? KeyboardResult.Accept : KeyboardResult.Cancel;
- _textValue ??= initialText ?? DefaultInputText;
- }
-
- // If the game requests a string with a minimum length less
- // than our default text, repeat our default text until we meet
- // the minimum length requirement.
- // This should always be done before the text truncation step.
- while (_textValue.Length < _keyboardForegroundConfig.StringLengthMin)
- {
- _textValue = String.Join(" ", _textValue, _textValue);
- }
-
- // If our default text is longer than the allowed length,
- // we truncate it.
- if (_textValue.Length > _keyboardForegroundConfig.StringLengthMax)
- {
- _textValue = _textValue.Substring(0, _keyboardForegroundConfig.StringLengthMax);
- }
-
- // Does the application want to validate the text itself?
- if (_keyboardForegroundConfig.CheckText)
- {
- // The application needs to validate the response, so we
- // submit it to the interactive output buffer, and poll it
- // for validation. Once validated, the application will submit
- // back a validation status, which is handled in OnInteractiveDataPushIn.
- _foregroundState = SoftwareKeyboardState.ValidationPending;
-
- PushForegroundResponse(true);
- }
- else
- {
- // If the application doesn't need to validate the response,
- // we push the data to the non-interactive output buffer
- // and poll it for completion.
- _foregroundState = SoftwareKeyboardState.Complete;
-
- PushForegroundResponse(false);
-
- AppletStateChanged?.Invoke(this, null);
- }
- }
-
- private void OnInteractiveData(object sender, EventArgs e)
- {
- // Obtain the validation status response.
- var data = _interactiveSession.Pop();
-
- if (_isBackground)
- {
- lock (_lock)
- {
- OnBackgroundInteractiveData(data);
- }
- }
- else
- {
- OnForegroundInteractiveData(data);
- }
- }
-
- private void OnForegroundInteractiveData(byte[] data)
- {
- if (_foregroundState == SoftwareKeyboardState.ValidationPending)
- {
- // TODO(jduncantor):
- // If application rejects our "attempt", submit another attempt,
- // and put the applet back in PendingValidation state.
-
- // For now we assume success, so we push the final result
- // to the standard output buffer and carry on our merry way.
- PushForegroundResponse(false);
-
- AppletStateChanged?.Invoke(this, null);
-
- _foregroundState = SoftwareKeyboardState.Complete;
- }
- else if (_foregroundState == SoftwareKeyboardState.Complete)
- {
- // If we have already completed, we push the result text
- // back on the output buffer and poll the application.
- PushForegroundResponse(false);
-
- AppletStateChanged?.Invoke(this, null);
- }
- else
- {
- // We shouldn't be able to get here through standard swkbd execution.
- throw new InvalidOperationException("Software Keyboard is in an invalid state.");
- }
- }
-
- private void OnBackgroundInteractiveData(byte[] data)
- {
- // WARNING: Only invoke applet state changes after an explicit finalization
- // request from the game, this is because the inline keyboard is expected to
- // keep running in the background sending data by itself.
-
- using (MemoryStream stream = new MemoryStream(data))
- using (BinaryReader reader = new BinaryReader(stream))
- {
- var request = (InlineKeyboardRequest)reader.ReadUInt32();
-
- long remaining;
-
- Logger.Debug?.Print(LogClass.ServiceAm, $"Keyboard received command {request} in state {_backgroundState}");
-
- switch (request)
- {
- case InlineKeyboardRequest.UseChangedStringV2:
- Logger.Stub?.Print(LogClass.ServiceAm, "Inline keyboard request UseChangedStringV2");
- break;
- case InlineKeyboardRequest.UseMovedCursorV2:
- Logger.Stub?.Print(LogClass.ServiceAm, "Inline keyboard request UseMovedCursorV2");
- break;
- case InlineKeyboardRequest.SetUserWordInfo:
- // Read the user word info data.
- remaining = stream.Length - stream.Position;
- if (remaining < sizeof(int))
- {
- Logger.Warning?.Print(LogClass.ServiceAm, $"Received invalid Software Keyboard User Word Info of {remaining} bytes");
- }
- else
- {
- int wordsCount = reader.ReadInt32();
- int wordSize = Unsafe.SizeOf<SoftwareKeyboardUserWord>();
- remaining = stream.Length - stream.Position;
-
- if (wordsCount > MaxUserWords)
- {
- Logger.Warning?.Print(LogClass.ServiceAm, $"Received {wordsCount} User Words but the maximum is {MaxUserWords}");
- }
- else if (wordsCount * wordSize != remaining)
- {
- Logger.Warning?.Print(LogClass.ServiceAm, $"Received invalid Software Keyboard User Word Info data of {remaining} bytes for {wordsCount} words");
- }
- else
- {
- _keyboardBackgroundUserWords = new SoftwareKeyboardUserWord[wordsCount];
-
- for (int word = 0; word < wordsCount; word++)
- {
- _keyboardBackgroundUserWords[word] = reader.ReadStruct<SoftwareKeyboardUserWord>();
- }
- }
- }
- _interactiveSession.Push(InlineResponses.ReleasedUserWordInfo(_backgroundState));
- break;
- case InlineKeyboardRequest.SetCustomizeDic:
- // Read the custom dic data.
- remaining = stream.Length - stream.Position;
- if (remaining != Unsafe.SizeOf<SoftwareKeyboardCustomizeDic>())
- {
- Logger.Warning?.Print(LogClass.ServiceAm, $"Received invalid Software Keyboard Customize Dic of {remaining} bytes");
- }
- else
- {
- _keyboardBackgroundDic = reader.ReadStruct<SoftwareKeyboardCustomizeDic>();
- }
- break;
- case InlineKeyboardRequest.SetCustomizedDictionaries:
- // Read the custom dictionaries data.
- remaining = stream.Length - stream.Position;
- if (remaining != Unsafe.SizeOf<SoftwareKeyboardDictSet>())
- {
- Logger.Warning?.Print(LogClass.ServiceAm, $"Received invalid Software Keyboard DictSet of {remaining} bytes");
- }
- else
- {
- _keyboardBackgroundDictSet = reader.ReadStruct<SoftwareKeyboardDictSet>();
- }
- break;
- case InlineKeyboardRequest.Calc:
- // The Calc request is used to communicate configuration changes and commands to the keyboard.
- // Fields in the Calc struct and operations are masked by the Flags field.
-
- // Read the Calc data.
- SoftwareKeyboardCalcEx newCalc;
- remaining = stream.Length - stream.Position;
- if (remaining == Marshal.SizeOf<SoftwareKeyboardCalc>())
- {
- var keyboardCalcData = reader.ReadBytes((int)remaining);
- var keyboardCalc = ReadStruct<SoftwareKeyboardCalc>(keyboardCalcData);
-
- newCalc = keyboardCalc.ToExtended();
- }
- else if (remaining == Marshal.SizeOf<SoftwareKeyboardCalcEx>() || remaining == SoftwareKeyboardCalcEx.AlternativeSize)
- {
- var keyboardCalcData = reader.ReadBytes((int)remaining);
-
- newCalc = ReadStruct<SoftwareKeyboardCalcEx>(keyboardCalcData);
- }
- else
- {
- Logger.Error?.Print(LogClass.ServiceAm, $"Received invalid Software Keyboard Calc of {remaining} bytes");
-
- newCalc = new SoftwareKeyboardCalcEx();
- }
-
- // Process each individual operation specified in the flags.
-
- bool updateText = false;
-
- if ((newCalc.Flags & KeyboardCalcFlags.Initialize) != 0)
- {
- _interactiveSession.Push(InlineResponses.FinishedInitialize(_backgroundState));
-
- _backgroundState = InlineKeyboardState.Initialized;
- }
-
- if ((newCalc.Flags & KeyboardCalcFlags.SetCursorPos) != 0)
- {
- _cursorBegin = newCalc.CursorPos;
- updateText = true;
-
- Logger.Debug?.Print(LogClass.ServiceAm, $"Cursor position set to {_cursorBegin}");
- }
-
- if ((newCalc.Flags & KeyboardCalcFlags.SetInputText) != 0)
- {
- _textValue = newCalc.InputText;
- updateText = true;
-
- Logger.Debug?.Print(LogClass.ServiceAm, $"Input text set to {_textValue}");
- }
-
- if ((newCalc.Flags & KeyboardCalcFlags.SetUtf8Mode) != 0)
- {
- _encoding = newCalc.UseUtf8 ? Encoding.UTF8 : Encoding.Default;
-
- Logger.Debug?.Print(LogClass.ServiceAm, $"Encoding set to {_encoding}");
- }
-
- if (updateText)
- {
- _dynamicTextInputHandler.SetText(_textValue, _cursorBegin);
- _keyboardRenderer.UpdateTextState(_textValue, _cursorBegin, _cursorBegin, null, null);
- }
-
- if ((newCalc.Flags & KeyboardCalcFlags.MustShow) != 0)
- {
- ActivateFrontend();
-
- _backgroundState = InlineKeyboardState.Shown;
-
- PushChangedString(_textValue, (uint)_cursorBegin, _backgroundState);
- }
-
- // Send the response to the Calc
- _interactiveSession.Push(InlineResponses.Default(_backgroundState));
- break;
- case InlineKeyboardRequest.Finalize:
- // Destroy the frontend.
- DestroyFrontend();
- // The calling application wants to close the keyboard applet and will wait for a state change.
- _backgroundState = InlineKeyboardState.Uninitialized;
- AppletStateChanged?.Invoke(this, null);
- break;
- default:
- // We shouldn't be able to get here through standard swkbd execution.
- Logger.Warning?.Print(LogClass.ServiceAm, $"Invalid Software Keyboard request {request} during state {_backgroundState}");
- _interactiveSession.Push(InlineResponses.Default(_backgroundState));
- break;
- }
- }
- }
-
- private void ActivateFrontend()
- {
- Logger.Debug?.Print(LogClass.ServiceAm, $"Activating software keyboard frontend");
-
- _inputMode = KeyboardInputMode.ControllerAndKeyboard;
-
- _npads.Update(true);
-
- NpadButton buttons = _npads.GetCurrentButtonsOfAllNpads();
-
- // Block the input if the current accept key is pressed so the applet won't be instantly closed.
- _canAcceptController = (buttons & NpadButton.A) == 0;
-
- _dynamicTextInputHandler.TextProcessingEnabled = true;
-
- _keyboardRenderer.UpdateCommandState(null, null, true);
- _keyboardRenderer.UpdateTextState(null, null, null, null, true);
- }
-
- private void DeactivateFrontend()
- {
- Logger.Debug?.Print(LogClass.ServiceAm, $"Deactivating software keyboard frontend");
-
- _inputMode = KeyboardInputMode.ControllerAndKeyboard;
- _canAcceptController = false;
-
- _dynamicTextInputHandler.TextProcessingEnabled = false;
- _dynamicTextInputHandler.SetText(_textValue, _cursorBegin);
- }
-
- private void DestroyFrontend()
- {
- Logger.Debug?.Print(LogClass.ServiceAm, $"Destroying software keyboard frontend");
-
- _keyboardRenderer?.Dispose();
- _keyboardRenderer = null;
-
- if (_dynamicTextInputHandler != null)
- {
- _dynamicTextInputHandler.TextChangedEvent -= HandleTextChangedEvent;
- _dynamicTextInputHandler.KeyPressedEvent -= HandleKeyPressedEvent;
- _dynamicTextInputHandler.Dispose();
- _dynamicTextInputHandler = null;
- }
-
- if (_npads != null)
- {
- _npads.NpadButtonDownEvent -= HandleNpadButtonDownEvent;
- _npads.NpadButtonUpEvent -= HandleNpadButtonUpEvent;
- _npads = null;
- }
- }
-
- private bool HandleKeyPressedEvent(Key key)
- {
- if (key == CycleInputModesKey)
- {
- lock (_lock)
- {
- if (IsKeyboardActive())
- {
- AdvanceInputMode();
-
- bool typingEnabled = InputModeTypingEnabled();
- bool controllerEnabled = InputModeControllerEnabled();
-
- _dynamicTextInputHandler.TextProcessingEnabled = typingEnabled;
-
- _keyboardRenderer.UpdateTextState(null, null, null, null, typingEnabled);
- _keyboardRenderer.UpdateCommandState(null, null, controllerEnabled);
- }
- }
- }
-
- return true;
- }
-
- private void HandleTextChangedEvent(string text, int cursorBegin, int cursorEnd, bool overwriteMode)
- {
- lock (_lock)
- {
- // Text processing should not run with typing disabled.
- Debug.Assert(InputModeTypingEnabled());
-
- if (text.Length > MaxUiTextSize)
- {
- // Limit the text size and change it back.
- text = text.Substring(0, MaxUiTextSize);
- cursorBegin = Math.Min(cursorBegin, MaxUiTextSize);
- cursorEnd = Math.Min(cursorEnd, MaxUiTextSize);
-
- _dynamicTextInputHandler.SetText(text, cursorBegin, cursorEnd);
- }
-
- _textValue = text;
- _cursorBegin = cursorBegin;
- _keyboardRenderer.UpdateTextState(text, cursorBegin, cursorEnd, overwriteMode, null);
-
- PushUpdatedState(text, cursorBegin, KeyboardResult.NotSet);
- }
- }
-
- private void HandleNpadButtonDownEvent(int npadIndex, NpadButton button)
- {
- lock (_lock)
- {
- if (!IsKeyboardActive())
- {
- return;
- }
-
- switch (button)
- {
- case NpadButton.A:
- _keyboardRenderer.UpdateCommandState(_canAcceptController, null, null);
- break;
- case NpadButton.B:
- _keyboardRenderer.UpdateCommandState(null, _canAcceptController, null);
- break;
- }
- }
- }
-
- private void HandleNpadButtonUpEvent(int npadIndex, NpadButton button)
- {
- lock (_lock)
- {
- KeyboardResult result = KeyboardResult.NotSet;
-
- switch (button)
- {
- case NpadButton.A:
- result = KeyboardResult.Accept;
- _keyboardRenderer.UpdateCommandState(false, null, null);
- break;
- case NpadButton.B:
- result = KeyboardResult.Cancel;
- _keyboardRenderer.UpdateCommandState(null, false, null);
- break;
- }
-
- if (IsKeyboardActive())
- {
- if (!_canAcceptController)
- {
- _canAcceptController = true;
- }
- else if (InputModeControllerEnabled())
- {
- PushUpdatedState(_textValue, _cursorBegin, result);
- }
- }
- }
- }
-
- private void PushUpdatedState(string text, int cursorBegin, KeyboardResult result)
- {
- _lastResult = result;
- _textValue = text;
-
- bool cancel = result == KeyboardResult.Cancel;
- bool accept = result == KeyboardResult.Accept;
-
- if (!IsKeyboardActive())
- {
- // Keyboard is not active.
-
- return;
- }
-
- if (accept == false && cancel == false)
- {
- Logger.Debug?.Print(LogClass.ServiceAm, $"Updating keyboard text to {text} and cursor position to {cursorBegin}");
-
- PushChangedString(text, (uint)cursorBegin, _backgroundState);
- }
- else
- {
- // Disable the frontend.
- DeactivateFrontend();
-
- // The 'Complete' state indicates the Calc request has been fulfilled by the applet.
- _backgroundState = InlineKeyboardState.Disappearing;
-
- if (accept)
- {
- Logger.Debug?.Print(LogClass.ServiceAm, $"Sending keyboard OK with text {text}");
-
- DecidedEnter(text, _backgroundState);
- }
- else if (cancel)
- {
- Logger.Debug?.Print(LogClass.ServiceAm, "Sending keyboard Cancel");
-
- DecidedCancel(_backgroundState);
- }
-
- _interactiveSession.Push(InlineResponses.Default(_backgroundState));
-
- Logger.Debug?.Print(LogClass.ServiceAm, $"Resetting state of the keyboard to {_backgroundState}");
-
- // Set the state of the applet to 'Initialized' as it is the only known state so far
- // that does not soft-lock the keyboard after use.
-
- _backgroundState = InlineKeyboardState.Initialized;
-
- _interactiveSession.Push(InlineResponses.Default(_backgroundState));
- }
- }
-
- private void PushChangedString(string text, uint cursor, InlineKeyboardState state)
- {
- // TODO (Caian): The *V2 methods are not supported because the applications that request
- // them do not seem to accept them. The regular methods seem to work just fine in all cases.
-
- if (_encoding == Encoding.UTF8)
- {
- _interactiveSession.Push(InlineResponses.ChangedStringUtf8(text, cursor, state));
- }
- else
- {
- _interactiveSession.Push(InlineResponses.ChangedString(text, cursor, state));
- }
- }
-
- private void DecidedEnter(string text, InlineKeyboardState state)
- {
- if (_encoding == Encoding.UTF8)
- {
- _interactiveSession.Push(InlineResponses.DecidedEnterUtf8(text, state));
- }
- else
- {
- _interactiveSession.Push(InlineResponses.DecidedEnter(text, state));
- }
- }
-
- private void DecidedCancel(InlineKeyboardState state)
- {
- _interactiveSession.Push(InlineResponses.DecidedCancel(state));
- }
-
- private void PushForegroundResponse(bool interactive)
- {
- int bufferSize = interactive ? InteractiveBufferSize : StandardBufferSize;
-
- using (MemoryStream stream = new MemoryStream(new byte[bufferSize]))
- using (BinaryWriter writer = new BinaryWriter(stream))
- {
- byte[] output = _encoding.GetBytes(_textValue);
-
- if (!interactive)
- {
- // Result Code.
- writer.Write(_lastResult == KeyboardResult.Accept ? 0U : 1U);
- }
- else
- {
- // In interactive mode, we write the length of the text as a long, rather than
- // a result code. This field is inclusive of the 64-bit size.
- writer.Write((long)output.Length + 8);
- }
-
- writer.Write(output);
-
- if (!interactive)
- {
- _normalSession.Push(stream.ToArray());
- }
- else
- {
- _interactiveSession.Push(stream.ToArray());
- }
- }
- }
-
- /// <summary>
- /// Removes all Unicode control code characters from the input string.
- /// This includes CR/LF, tabs, null characters, escape characters,
- /// and special control codes which are used for formatting by the real keyboard applet.
- /// </summary>
- /// <remarks>
- /// Some games send special control codes (such as 0x13 "Device Control 3") as part of the string.
- /// Future implementations of the emulated keyboard applet will need to handle these as well.
- /// </remarks>
- /// <param name="input">The input string to sanitize (may be null).</param>
- /// <returns>The sanitized string.</returns>
- internal static string StripUnicodeControlCodes(string input)
- {
- if (input is null)
- {
- return null;
- }
-
- if (input.Length == 0)
- {
- return string.Empty;
- }
-
- StringBuilder sb = new StringBuilder(capacity: input.Length);
- foreach (char c in input)
- {
- if (!char.IsControl(c))
- {
- sb.Append(c);
- }
- }
-
- return sb.ToString();
- }
-
- private static T ReadStruct<[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicConstructors | DynamicallyAccessedMemberTypes.NonPublicConstructors)] T>(byte[] data)
- where T : struct
- {
- GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
-
- try
- {
- return Marshal.PtrToStructure<T>(handle.AddrOfPinnedObject());
- }
- finally
- {
- handle.Free();
- }
- }
- }
-}