258 lines
8.7 KiB
C#
258 lines
8.7 KiB
C#
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using System.Collections.Generic;
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#if URS_USE_TEXTMESHPRO
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using TMPro;
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#endif
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using UnityEngine;
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using UnityEngine.UI;
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using UnityEngine.InputSystem;
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using UnityEngine.InputSystem.Controls;
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using UnityEngine.InputSystem.LowLevel;
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namespace Unity.RenderStreaming.InputSystem
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{
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/// <summary>
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/// This partial class is for workaround to support Unity UI InputField.
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/// </summary>
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partial class Receiver
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{
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private static readonly Dictionary<int, KeyCode> s_KeyMap = new Dictionary<int, KeyCode>()
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{
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{ (int)Key.Backspace, KeyCode.Backspace },
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{ (int)Key.Tab, KeyCode.Tab },
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{ (int)Key.Enter, KeyCode.Return },
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{ (int)Key.Space, KeyCode.Space },
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{ (int)Key.Comma, KeyCode.Comma },
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{ (int)Key.Minus, KeyCode.Minus },
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{ (int)Key.Period, KeyCode.Period },
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{ (int)Key.Slash, KeyCode.Slash },
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{ (int)Key.Digit0, KeyCode.Alpha0 },
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{ (int)Key.Digit1, KeyCode.Alpha1 },
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{ (int)Key.Digit2, KeyCode.Alpha2 },
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{ (int)Key.Digit3, KeyCode.Alpha3 },
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{ (int)Key.Digit4, KeyCode.Alpha4 },
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{ (int)Key.Digit5, KeyCode.Alpha5 },
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{ (int)Key.Digit6, KeyCode.Alpha6 },
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{ (int)Key.Digit7, KeyCode.Alpha7 },
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{ (int)Key.Digit8, KeyCode.Alpha8 },
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{ (int)Key.Digit9, KeyCode.Alpha9 },
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{ (int)Key.Semicolon, KeyCode.Semicolon },
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{ (int)Key.Equals, KeyCode.Equals },
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{ (int)Key.LeftBracket, KeyCode.LeftBracket },
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{ (int)Key.Backslash, KeyCode.Backslash },
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{ (int)Key.RightBracket, KeyCode.RightBracket },
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{ (int)Key.Backquote, KeyCode.BackQuote },
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{ (int)Key.Quote, KeyCode.Quote },
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{ (int)Key.A, KeyCode.A },
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{ (int)Key.B, KeyCode.B },
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{ (int)Key.C, KeyCode.C },
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{ (int)Key.D, KeyCode.D },
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{ (int)Key.E, KeyCode.E },
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{ (int)Key.F, KeyCode.F },
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{ (int)Key.G, KeyCode.G },
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{ (int)Key.H, KeyCode.H },
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{ (int)Key.I, KeyCode.I },
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{ (int)Key.J, KeyCode.J },
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{ (int)Key.K, KeyCode.K },
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{ (int)Key.L, KeyCode.L },
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{ (int)Key.M, KeyCode.M },
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{ (int)Key.N, KeyCode.N },
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{ (int)Key.O, KeyCode.O },
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{ (int)Key.P, KeyCode.P },
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{ (int)Key.Q, KeyCode.Q },
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{ (int)Key.R, KeyCode.R },
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{ (int)Key.S, KeyCode.S },
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{ (int)Key.T, KeyCode.T },
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{ (int)Key.U, KeyCode.U },
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{ (int)Key.V, KeyCode.V },
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{ (int)Key.W, KeyCode.W },
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{ (int)Key.X, KeyCode.X },
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{ (int)Key.Y, KeyCode.Y },
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{ (int)Key.Z, KeyCode.Z },
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{ (int)Key.F1, KeyCode.F1 },
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{ (int)Key.F2, KeyCode.F2 },
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{ (int)Key.F3, KeyCode.F3 },
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{ (int)Key.F4, KeyCode.F4 },
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{ (int)Key.F5, KeyCode.F5 },
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{ (int)Key.F6, KeyCode.F6 },
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{ (int)Key.F7, KeyCode.F7 },
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{ (int)Key.F8, KeyCode.F8 },
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{ (int)Key.F9, KeyCode.F9 },
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{ (int)Key.F10, KeyCode.F10 },
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{ (int)Key.F11, KeyCode.F11 },
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{ (int)Key.F12, KeyCode.F12 },
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{ (int)Key.None, KeyCode.None },
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{ (int)Key.LeftArrow, KeyCode.LeftArrow },
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{ (int)Key.RightArrow, KeyCode.RightArrow },
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{ (int)Key.UpArrow, KeyCode.UpArrow },
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{ (int)Key.DownArrow, KeyCode.DownArrow },
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{ (int)Key.LeftShift, KeyCode.LeftShift },
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{ (int)Key.RightShift, KeyCode.RightShift },
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{ (int)Key.Delete, KeyCode.Delete },
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{ (int)Key.Escape, KeyCode.Escape },
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{ (int)Key.LeftAlt, KeyCode.LeftAlt },
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{ (int)Key.RightAlt, KeyCode.RightAlt },
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{ (int)Key.LeftApple, KeyCode.LeftApple },
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{ (int)Key.RightApple, KeyCode.RightApple }
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};
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interface IInputField
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{
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void ProcessEvent(Event e);
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void ForceLabelUpdate();
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void AppendText(char character);
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}
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class UGUIInputField : IInputField
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{
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InputField m_field;
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public UGUIInputField(InputField field)
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{
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m_field = field;
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}
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public void ProcessEvent(Event e)
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{
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m_field.ProcessEvent(e);
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}
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public void ForceLabelUpdate()
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{
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m_field.ForceLabelUpdate();
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}
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public void AppendText(char character)
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{
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m_field.text += character;
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}
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}
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#if URS_USE_TEXTMESHPRO
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class TMProInputField : IInputField
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{
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TMP_InputField m_field;
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public TMProInputField(TMP_InputField field)
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{
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m_field = field;
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}
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public void ProcessEvent(Event e)
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{
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m_field.ProcessEvent(e);
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}
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public void ForceLabelUpdate()
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{
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m_field.ForceLabelUpdate();
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}
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public void AppendText(char character)
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{
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m_field.text += character;
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}
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}
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#endif
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IInputField FindInputField(GameObject obj)
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{
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var field = obj.GetComponent<InputField>();
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if (field != null)
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return new UGUIInputField(field);
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#if URS_USE_TEXTMESHPRO
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var tmpField = obj.GetComponent<TMP_InputField>();
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if (tmpField != null)
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return new TMProInputField(tmpField);
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#endif
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return null;
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}
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(EventModifiers, KeyCode) GetEventModifiersAndKeyCode(InputEventPtr ptr)
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{
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EventModifiers modifiers = EventModifiers.None;
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KeyCode keyCode = KeyCode.None;
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foreach (var control in ptr.GetAllButtonPresses())
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{
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if (control is KeyControl keyControl)
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{
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var key = keyControl.keyCode;
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if (key == Key.LeftShift || key == Key.RightShift)
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{
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modifiers |= EventModifiers.Shift;
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}
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else if (key == Key.LeftCtrl || key == Key.RightCtrl)
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{
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modifiers |= EventModifiers.Control;
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}
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else if (key == Key.LeftAlt || key == Key.RightAlt)
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{
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modifiers |= EventModifiers.Alt;
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}
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else if (key == Key.LeftCommand || key == Key.RightCommand)
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{
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modifiers |= EventModifiers.Command;
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}
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else if (key == Key.CapsLock)
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{
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modifiers |= EventModifiers.CapsLock;
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}
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else if (s_KeyMap.TryGetValue((int)key, out var value))
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{
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keyCode = value;
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}
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}
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}
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return (modifiers, keyCode);
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}
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unsafe Event CreateEvent(InputEventPtr ptr)
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{
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var (modifiers, keyCode) = GetEventModifiersAndKeyCode(ptr);
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if (ptr.type == TextEvent.Type)
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{
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var textEventPtr = (TextEvent*)ptr.ToPointer();
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var utf32Char = textEventPtr->character;
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if (utf32Char >= 0x10000)
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{
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// todo: not supported multibyte character.
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return null;
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}
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if (utf32Char < 0x100)
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{
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// ignore control
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if (char.IsControl((char)utf32Char))
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return null;
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}
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return new Event
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{
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type = EventType.KeyDown,
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character = (char)utf32Char,
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keyCode = keyCode,
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modifiers = modifiers
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};
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}
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return new Event
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{
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type = EventType.KeyDown,
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keyCode = keyCode,
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modifiers = modifiers
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};
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}
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private void EmulateInputFieldEvent(InputEventPtr ptr)
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{
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var obj = UnityEngine.EventSystems.EventSystem.current?.currentSelectedGameObject;
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if (obj == null)
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return;
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var field = FindInputField(obj);
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if (field == null)
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return;
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Event e = CreateEvent(ptr);
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if (e != null)
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{
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field.ProcessEvent(e);
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field.ForceLabelUpdate();
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}
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}
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}
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}
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