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InputField.cs
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InputField.cs
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//
// Cuboid (http://github.com/arjonagelhout/cuboid)
// Copyright (c) 2023 Arjo Nagelhout
//
//#define TMP_DEBUG_MODE
using System;
using System.Collections;
using System.Collections.Generic;
using System.Threading;
using System.Text;
using System.Text.RegularExpressions;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.Events;
using UnityEngine.EventSystems;
using UnityEngine.Serialization;
using TMPro;
using UnityEngine.InputSystem;
using Cuboid.Input;
using static UnityEngine.Rendering.DebugUI;
using UnityEngine.TextCore.Text;
namespace Cuboid.UI
{
/// <summary>
/// Editable text input field.
///
/// Adapted from the TextMeshPro package, in order to add support for a custom
/// numeric input keyboard.
///
/// Also to make it compatible with VR. (allowing the caret to be set)
///
/// When the content type is Decimal or Integer, we want to open the custom
/// numeric input keyboard.
///
/// For all other content types we want to open the Oculus system keyboard.
///
/// The keyboard is opened using the TouchScreenKeyboard.Open("", TouchScreenKeyboardType.Default)
/// call. However, with the system keyboard, only the default type is supported.
/// https://developer.oculus.com/documentation/unity/unity-keyboard-overlay/
///
/// We also want to display a preview of the text that is being input by the user above the
/// keyboard. This, because when opening the system keyboard, it will trigger the OVRManager.InputFocusLost
/// event, which causes UI and controllers to be disabled.
///
/// So, text selection when inputting a value is not possible.
/// </summary>
public class InputField : Selectable,
IUpdateSelectedHandler,
IBeginDragHandler,
IDragHandler,
IEndDragHandler,
IPointerClickHandler,
ISubmitHandler,
ICanvasElement,
ILayoutElement,
IScrollHandler
{
// Setting the content type acts as a shortcut for setting a combination of InputType, CharacterValidation, LineType, and TouchScreenKeyboardType
public enum ContentType
{
Standard,
Autocorrected,
IntegerNumber,
DecimalNumber,
Alphanumeric,
Name,
EmailAddress,
Password,
Pin,
Custom,
// calculated values
Calculated
}
public enum InputType
{
Standard,
AutoCorrect,
Password,
}
public enum CharacterValidation
{
None,
Digit,
Integer,
Decimal,
Calculated, // Cuboid add ( ) * + - / characters
Alphanumeric,
Name,
Regex,
EmailAddress,
CustomValidator
}
public enum LineType
{
SingleLine,
MultiLineSubmit,
MultiLineNewline
}
public delegate char OnValidateInput(string text, int charIndex, char addedChar);
[Serializable]
public class SubmitEvent : UnityEvent<string> { }
[Serializable]
public class OnChangeEvent : UnityEvent<string> { }
[Serializable]
public class SelectionEvent : UnityEvent<string> { }
[Serializable]
public class TextSelectionEvent : UnityEvent<string, int, int> { }
[Serializable]
public class TouchScreenKeyboardEvent : UnityEvent<TouchScreenKeyboard.Status> { }
protected TouchScreenKeyboard m_SoftKeyboard;
static private readonly char[] kSeparators = { ' ', '.', ',', '\t', '\r', '\n' };
#region Exposed properties
/// <summary>
/// Text Text used to display the input's value.
/// </summary>
protected RectTransform m_RectTransform;
[SerializeField]
protected RectTransform m_TextViewport;
protected RectMask2D m_TextComponentRectMask;
protected RectMask2D m_TextViewportRectMask;
private Rect m_CachedViewportRect;
[SerializeField]
protected TMP_Text m_TextComponent;
protected RectTransform m_TextComponentRectTransform;
[SerializeField]
protected Graphic m_Placeholder;
[SerializeField]
protected Scrollbar m_VerticalScrollbar;
[SerializeField]
protected TMP_ScrollbarEventHandler m_VerticalScrollbarEventHandler;
//private bool m_ForceDeactivation;
private bool m_IsDrivenByLayoutComponents = false;
[SerializeField]
private LayoutGroup m_LayoutGroup;
private IScrollHandler m_IScrollHandlerParent;
/// <summary>
/// Used to keep track of scroll position
/// </summary>
private float m_ScrollPosition;
/// <summary>
///
/// </summary>
[SerializeField]
protected float m_ScrollSensitivity = 1.0f;
//[SerializeField]
//protected TMP_Text m_PlaceholderTextComponent;
[SerializeField]
private ContentType m_ContentType = ContentType.Standard;
/// <summary>
/// Type of data expected by the input field.
/// </summary>
[SerializeField]
private InputType m_InputType = InputType.Standard;
/// <summary>
/// The character used to hide text in password field.
/// </summary>
[SerializeField]
private char m_AsteriskChar = '*';
/// <summary>
/// Keyboard type applies to mobile keyboards that get shown.
/// </summary>
[SerializeField]
private TouchScreenKeyboardType m_KeyboardType = TouchScreenKeyboardType.Default;
[SerializeField]
private LineType m_LineType = LineType.SingleLine;
/// <summary>
/// Should hide mobile input field part of the virtual keyboard.
/// </summary>
[SerializeField]
private bool m_HideMobileInput = false;
/// <summary>
/// Should hide soft / virtual keyboard.
/// </summary>
[SerializeField]
private bool m_HideSoftKeyboard = false;
/// <summary>
/// What kind of validation to use with the input field's data.
/// </summary>
[SerializeField]
private CharacterValidation m_CharacterValidation = CharacterValidation.None;
/// <summary>
/// The Regex expression used for validating the text input.
/// </summary>
[SerializeField]
private string m_RegexValue = string.Empty;
/// <summary>
/// The point sized used by the placeholder and input text object.
/// </summary>
[SerializeField]
private float m_GlobalPointSize = 14;
/// <summary>
/// Maximum number of characters allowed before input no longer works.
/// </summary>
[SerializeField]
private int m_CharacterLimit = 0;
/// <summary>
/// Event delegates triggered when the input field submits its data.
/// </summary>
[SerializeField]
private SubmitEvent m_OnEndEdit = new SubmitEvent();
/// <summary>
/// Event delegates triggered when the input field submits its data.
/// </summary>
[SerializeField]
private SubmitEvent m_OnSubmit = new SubmitEvent();
/// <summary>
/// Event delegates triggered when the input field is focused.
/// </summary>
[SerializeField]
private SelectionEvent m_OnSelect = new SelectionEvent();
/// <summary>
/// Event delegates triggered when the input field focus is lost.
/// </summary>
[SerializeField]
private SelectionEvent m_OnDeselect = new SelectionEvent();
/// <summary>
/// Event delegates triggered when the text is selected / highlighted.
/// </summary>
[SerializeField]
private TextSelectionEvent m_OnTextSelection = new TextSelectionEvent();
/// <summary>
/// Event delegates triggered when text is no longer select / highlighted.
/// </summary>
[SerializeField]
private TextSelectionEvent m_OnEndTextSelection = new TextSelectionEvent();
/// <summary>
/// Event delegates triggered when the input field changes its data.
/// </summary>
[SerializeField]
private OnChangeEvent m_OnValueChanged = new OnChangeEvent();
/// <summary>
/// Event delegates triggered when the status of the TouchScreenKeyboard changes.
/// </summary>
[SerializeField]
private TouchScreenKeyboardEvent m_OnTouchScreenKeyboardStatusChanged = new TouchScreenKeyboardEvent();
/// <summary>
/// Custom validation callback.
/// </summary>
[SerializeField]
private OnValidateInput m_OnValidateInput;
private bool _isEditingMultiple = false;
public bool IsEditingMultiple
{
get => _isEditingMultiple;
set
{
_isEditingMultiple = value;
UpdateLabel();
}
}
[SerializeField]
private Color m_CaretColor = new Color(50f / 255f, 50f / 255f, 50f / 255f, 1f);
[SerializeField]
private bool m_CustomCaretColor = false;
[SerializeField]
private Color m_SelectionColor = new Color(168f / 255f, 206f / 255f, 255f / 255f, 192f / 255f);
/// <summary>
/// Input field's value.
/// </summary>
[SerializeField]
[TextArea(5, 10)]
protected string m_Text = string.Empty;
[SerializeField]
[Range(0f, 4f)]
private float m_CaretBlinkRate = 0.85f;
[SerializeField]
[Range(1, 5)]
private int m_CaretWidth = 1;
[SerializeField]
private bool m_ReadOnly = false;
[SerializeField]
private bool m_RichText = true;
#endregion
protected int m_StringPosition = 0;
protected int m_StringSelectPosition = 0;
protected int m_CaretPosition = 0;
protected int m_CaretSelectPosition = 0;
private RectTransform caretRectTrans = null;
protected UIVertex[] m_CursorVerts = null;
private CanvasRenderer m_CachedInputRenderer;
private Vector2 m_LastPosition;
[NonSerialized]
protected Mesh m_Mesh;
private bool m_AllowInput = false;
//bool m_HasLostFocus = false;
private bool m_ShouldActivateNextUpdate = false;
private bool m_UpdateDrag = false;
private bool m_DragPositionOutOfBounds = false;
private const float kHScrollSpeed = 0.05f;
private const float kVScrollSpeed = 0.10f;
protected bool m_CaretVisible;
private Coroutine m_BlinkCoroutine = null;
private float m_BlinkStartTime = 0.0f;
private Coroutine m_DragCoroutine = null;
private string m_OriginalText = "";
private bool m_WasCanceled = false;
private bool m_HasDoneFocusTransition = false;
private WaitForSecondsRealtime m_WaitForSecondsRealtime;
private bool m_PreventCallback = false;
private bool m_TouchKeyboardAllowsInPlaceEditing = false;
private bool m_IsTextComponentUpdateRequired = false;
private bool m_isLastKeyBackspace = false;
private float m_PointerDownClickStartTime;
private float m_KeyDownStartTime;
private float m_DoubleClickDelay = 0.5f;
// Doesn't include dot and @ on purpose! See usage for details.
const string kEmailSpecialCharacters = "!#$%&'*+-/=?^_`{|}~";
private BaseInput inputSystem
{
get
{
if (EventSystem.current && EventSystem.current.currentInputModule)
return EventSystem.current.currentInputModule.input;
return null;
}
}
private string compositionString
{
get { return inputSystem != null ? inputSystem.compositionString : UnityEngine.Input.compositionString; }
}
private bool m_IsCompositionActive = false;
private bool m_ShouldUpdateIMEWindowPosition = false;
private int m_PreviousIMEInsertionLine = 0;
private int compositionLength
{
get
{
if (m_ReadOnly)
return 0;
return compositionString.Length;
}
}
protected InputField()
{
SetTextComponentWrapMode();
}
private VirtualKeyboard _virtualKeyboard;
private Action<char> _onVirtualKeyboardTextInput;
private Action _onVirtualKeyboardBackspace;
[SerializeField] private bool m_CantLoseFocus = false;
#region Actions
/// <summary>
/// Called by the virtual keyboard when done editing
/// </summary>
public Action<string> OnConfirmValue;
/// <summary>
/// Called when changing values
/// </summary>
public Action<string> OnSetValue;
#endregion
// Cuboid added
protected override void Start()
{
base.Start();
_virtualKeyboard = VirtualKeyboard.Instance;
_onVirtualKeyboardTextInput = OnVirtualKeyboardTextInput;
_onVirtualKeyboardBackspace = OnVirtualKeyboardBackspace;
Register();
}
#region Virtual keyboard
private void Register()
{
if (_virtualKeyboard != null)
{
_virtualKeyboard.OnTextInput += _onVirtualKeyboardTextInput;
_virtualKeyboard.OnBackspace += _onVirtualKeyboardBackspace;
}
}
private void Unregister()
{
if (_virtualKeyboard != null)
{
_virtualKeyboard.OnTextInput -= _onVirtualKeyboardTextInput;
_virtualKeyboard.OnBackspace -= _onVirtualKeyboardBackspace;
}
}
/// <summary>
/// https://forum.unity.com/threads/how-to-send-simulated-keyboard-events-to-an-inputfield-from-buttons-click-handlers.307927/
/// </summary>
/// <param name="character"></param>
/// <returns></returns>
private Event GetKeyboardEvent(char value)
{
Event fakeEvent;
switch (value)
{
case '&':
fakeEvent = Event.KeyboardEvent("a");
fakeEvent.keyCode = KeyCode.Ampersand;
fakeEvent.character = value;
break;
case '^':
fakeEvent = Event.KeyboardEvent("a");
fakeEvent.keyCode = KeyCode.Caret;
fakeEvent.character = value;
break;
case '%':
fakeEvent = Event.KeyboardEvent("a");
fakeEvent.keyCode = KeyCode.Percent;
fakeEvent.character = value;
break;
case '#':
fakeEvent = Event.KeyboardEvent("a");
fakeEvent.keyCode = KeyCode.Hash;
fakeEvent.character = value;
break;
default:
fakeEvent = Event.KeyboardEvent(value.ToString());
char keyChar = value;
fakeEvent.character = keyChar;
if (Char.IsUpper(keyChar))
{
fakeEvent.modifiers |= EventModifiers.Shift;
}
break;
}
return fakeEvent;
}
private void OnVirtualKeyboardTextInput(char character)
{
HandleVirtualKeyboardInput(GetKeyboardEvent(character));
}
private void OnVirtualKeyboardBackspace()
{
HandleVirtualKeyboardInput(Event.KeyboardEvent("backspace"));
}
private void HandleVirtualKeyboardInput(Event keyboardEvent)
{
if (!isFocused)
return;
EditState shouldContinue = KeyPressed(keyboardEvent);
if (shouldContinue == EditState.Finish)
{
if (!m_WasCanceled)
SendOnSubmit();
DeactivateInputField();
return;
}
m_IsTextComponentUpdateRequired = true;
UpdateLabel();
}
#endregion
protected Mesh mesh
{
get
{
if (m_Mesh == null)
m_Mesh = new Mesh();
return m_Mesh;
}
}
/// <summary>
/// Should the mobile keyboard input be hidden.
/// </summary>
// Cuboid changed
public bool shouldHideMobileInput => m_HideMobileInput;
// Cuboid changed. For fucks sake. why so many checks.
public bool shouldHideSoftKeyboard => m_HideSoftKeyboard;
private bool isKeyboardUsingEvents()
{
switch (Application.platform)
{
case RuntimePlatform.Android:
case RuntimePlatform.IPhonePlayer:
case RuntimePlatform.tvOS:
#if UNITY_2020_2_OR_NEWER
case RuntimePlatform.PS4:
#if !(UNITY_2020_2_1 || UNITY_2020_2_2)
case RuntimePlatform.PS5:
#endif
#endif
case RuntimePlatform.Switch:
return false;
default:
return true;
}
}
/// <summary>
/// Input field's current text value. This is not necessarily the same as what is visible on screen.
/// </summary>
/// <remarks>
/// Note that null is invalid value for InputField.text.
/// </remarks>
/// <example>
/// <code>
/// using UnityEngine;
/// using System.Collections;
/// using UnityEngine.UI; // Required when Using UI elements.
///
/// public class Example : MonoBehaviour
/// {
/// public InputField mainInputField;
///
/// public void Start()
/// {
/// mainInputField.text = "Enter Text Here...";
/// }
/// }
/// </code>
/// </example>
public string text
{
get
{
return m_Text;
}
set
{
SetText(value);
}
}
/// <summary>
/// Set Input field's current text value without invoke onValueChanged. This is not necessarily the same as what is visible on screen.
/// </summary>
public void SetTextWithoutNotify(string input)
{
SetText(input, false);
}
void SetText(string value, bool sendCallback = true)
{
if (this.text == value)
return;
if (value == null)
value = "";
value = value.Replace("\0", string.Empty); // remove embedded nulls
m_Text = value;
/*
if (m_LineType == LineType.SingleLine)
value = value.Replace("\n", "").Replace("\t", "");
// If we have an input validator, validate the input and apply the character limit at the same time.
if (onValidateInput != null || characterValidation != CharacterValidation.None)
{
m_Text = "";
OnValidateInput validatorMethod = onValidateInput ?? Validate;
m_CaretPosition = m_CaretSelectPosition = value.Length;
int charactersToCheck = characterLimit > 0 ? Math.Min(characterLimit, value.Length) : value.Length;
for (int i = 0; i < charactersToCheck; ++i)
{
char c = validatorMethod(m_Text, m_Text.Length, value[i]);
if (c != 0)
m_Text += c;
}
}
else
{
m_Text = characterLimit > 0 && value.Length > characterLimit ? value.Substring(0, characterLimit) : value;
}
*/
#if UNITY_EDITOR
if (!Application.isPlaying)
{
SendOnValueChangedAndUpdateLabel();
return;
}
#endif
if (m_SoftKeyboard != null)
m_SoftKeyboard.text = m_Text;
if (m_StringPosition > m_Text.Length)
m_StringPosition = m_StringSelectPosition = m_Text.Length;
else if (m_StringSelectPosition > m_Text.Length)
m_StringSelectPosition = m_Text.Length;
m_forceRectTransformAdjustment = true;
m_IsTextComponentUpdateRequired = true;
UpdateLabel();
if (sendCallback)
SendOnValueChanged();
}
public bool isFocused
{
get { return m_AllowInput; }
}
public float caretBlinkRate
{
get { return m_CaretBlinkRate; }
set
{
if (SetPropertyUtility.SetStruct(ref m_CaretBlinkRate, value))
{
if (m_AllowInput)
SetCaretActive();
}
}
}
public int caretWidth { get { return m_CaretWidth; } set { if (SetPropertyUtility.SetStruct(ref m_CaretWidth, value)) MarkGeometryAsDirty(); } }
public RectTransform textViewport { get { return m_TextViewport; } set { SetPropertyUtility.SetClass(ref m_TextViewport, value); } }
public TMP_Text textComponent
{
get { return m_TextComponent; }
set
{
if (SetPropertyUtility.SetClass(ref m_TextComponent, value))
{
SetTextComponentWrapMode();
}
}
}
//public TMP_Text placeholderTextComponent { get { return m_PlaceholderTextComponent; } set { SetPropertyUtility.SetClass(ref m_PlaceholderTextComponent, value); } }
public Graphic placeholder { get { return m_Placeholder; } set { SetPropertyUtility.SetClass(ref m_Placeholder, value); } }
public Scrollbar verticalScrollbar
{
get { return m_VerticalScrollbar; }
set
{
if (m_VerticalScrollbar != null)
m_VerticalScrollbar.onValueChanged.RemoveListener(OnScrollbarValueChange);
SetPropertyUtility.SetClass(ref m_VerticalScrollbar, value);
if (m_VerticalScrollbar)
{
m_VerticalScrollbar.onValueChanged.AddListener(OnScrollbarValueChange);
}
}
}
public float scrollSensitivity { get { return m_ScrollSensitivity; } set { if (SetPropertyUtility.SetStruct(ref m_ScrollSensitivity, value)) MarkGeometryAsDirty(); } }
public Color caretColor { get { return customCaretColor ? m_CaretColor : textComponent.color; } set { if (SetPropertyUtility.SetColor(ref m_CaretColor, value)) MarkGeometryAsDirty(); } }
public bool customCaretColor { get { return m_CustomCaretColor; } set { if (m_CustomCaretColor != value) { m_CustomCaretColor = value; MarkGeometryAsDirty(); } } }
public Color selectionColor { get { return m_SelectionColor; } set { if (SetPropertyUtility.SetColor(ref m_SelectionColor, value)) MarkGeometryAsDirty(); } }
public SubmitEvent onEndEdit { get { return m_OnEndEdit; } set { SetPropertyUtility.SetClass(ref m_OnEndEdit, value); } }
public SubmitEvent onSubmit { get { return m_OnSubmit; } set { SetPropertyUtility.SetClass(ref m_OnSubmit, value); } }
public SelectionEvent onSelect { get { return m_OnSelect; } set { SetPropertyUtility.SetClass(ref m_OnSelect, value); } }
public SelectionEvent onDeselect { get { return m_OnDeselect; } set { SetPropertyUtility.SetClass(ref m_OnDeselect, value); } }
public TextSelectionEvent onTextSelection { get { return m_OnTextSelection; } set { SetPropertyUtility.SetClass(ref m_OnTextSelection, value); } }
public TextSelectionEvent onEndTextSelection { get { return m_OnEndTextSelection; } set { SetPropertyUtility.SetClass(ref m_OnEndTextSelection, value); } }
public OnChangeEvent onValueChanged { get { return m_OnValueChanged; } set { SetPropertyUtility.SetClass(ref m_OnValueChanged, value); } }
public TouchScreenKeyboardEvent onTouchScreenKeyboardStatusChanged { get { return m_OnTouchScreenKeyboardStatusChanged; } set { SetPropertyUtility.SetClass(ref m_OnTouchScreenKeyboardStatusChanged, value); } }
public OnValidateInput onValidateInput { get { return m_OnValidateInput; } set { SetPropertyUtility.SetClass(ref m_OnValidateInput, value); } }
public int characterLimit
{
get { return m_CharacterLimit; }
set
{
if (SetPropertyUtility.SetStruct(ref m_CharacterLimit, Math.Max(0, value)))
{
UpdateLabel();
if (m_SoftKeyboard != null)
m_SoftKeyboard.characterLimit = value;
}
}
}
//public bool isInteractableControl { set { if ( } }
/// <summary>
/// Set the point size on both Placeholder and Input text object.
/// </summary>
public float pointSize
{
get { return m_GlobalPointSize; }
set
{
if (SetPropertyUtility.SetStruct(ref m_GlobalPointSize, Math.Max(0, value)))
{
SetGlobalPointSize(m_GlobalPointSize);
UpdateLabel();
}
}
}
/// <summary>
/// Sets the Font Asset on both Placeholder and Input child objects.
/// </summary>
public TMP_FontAsset fontAsset
{
get { return m_GlobalFontAsset; }
set
{
if (SetPropertyUtility.SetClass(ref m_GlobalFontAsset, value))
{
SetGlobalFontAsset(m_GlobalFontAsset);
UpdateLabel();
}
}
}
[SerializeField]
protected TMP_FontAsset m_GlobalFontAsset;
/// <summary>
/// Determines if the whole text will be selected when focused.
/// </summary>
public bool onFocusSelectAll
{
get { return m_OnFocusSelectAll; }
set { m_OnFocusSelectAll = value; }
}
[SerializeField]
protected bool m_OnFocusSelectAll = true;
protected bool m_isSelectAll;
/// <summary>
/// Determines if the text and caret position as well as selection will be reset when the input field is deactivated.
/// </summary>
public bool resetOnDeActivation
{
get { return m_ResetOnDeActivation; }
set { m_ResetOnDeActivation = value; }
}
[SerializeField]
protected bool m_ResetOnDeActivation = true;
private bool m_SelectionStillActive = false;
private bool m_ReleaseSelection = false;
private GameObject m_PreviouslySelectedObject;
/// <summary>
/// Controls whether the original text is restored when pressing "ESC".
/// </summary>
public bool restoreOriginalTextOnEscape
{
get { return m_RestoreOriginalTextOnEscape; }
set { m_RestoreOriginalTextOnEscape = value; }
}
[SerializeField]
private bool m_RestoreOriginalTextOnEscape = true;
/// <summary>
/// Is Rich Text editing allowed?
/// </summary>
public bool isRichTextEditingAllowed
{
get { return m_isRichTextEditingAllowed; }
set { m_isRichTextEditingAllowed = value; }
}
[SerializeField]
protected bool m_isRichTextEditingAllowed = false;
// Content Type related
public ContentType contentType { get { return m_ContentType; } set { if (SetPropertyUtility.SetStruct(ref m_ContentType, value)) EnforceContentType(); } }
public LineType lineType
{
get { return m_LineType; }
set
{
if (SetPropertyUtility.SetStruct(ref m_LineType, value))
{
SetToCustomIfContentTypeIsNot(ContentType.Standard, ContentType.Autocorrected);
SetTextComponentWrapMode();
}
}
}
/// <summary>
/// Limits the number of lines of text in the Input Field.
/// </summary>
public int lineLimit
{
get { return m_LineLimit; }
set
{
if (m_LineType == LineType.SingleLine)
m_LineLimit = 1;
else
SetPropertyUtility.SetStruct(ref m_LineLimit, value);
}
}
[SerializeField]
protected int m_LineLimit = 0;
public InputType inputType { get { return m_InputType; } set { if (SetPropertyUtility.SetStruct(ref m_InputType, value)) SetToCustom(); } }
public TouchScreenKeyboardType keyboardType
{
get { return m_KeyboardType; }
set
{
if (SetPropertyUtility.SetStruct(ref m_KeyboardType, value))
SetToCustom();
}
}
public CharacterValidation characterValidation { get { return m_CharacterValidation; } set { if (SetPropertyUtility.SetStruct(ref m_CharacterValidation, value)) SetToCustom(); } }
/// <summary>
/// Sets the Input Validation to use a Custom Input Validation script.
/// </summary>
public TMP_InputValidator inputValidator
{
get { return m_InputValidator; }
set { if (SetPropertyUtility.SetClass(ref m_InputValidator, value)) SetToCustom(CharacterValidation.CustomValidator); }
}
[SerializeField]
protected TMP_InputValidator m_InputValidator = null;
public bool readOnly { get { return m_ReadOnly; } set { m_ReadOnly = value; } }
public bool richText { get { return m_RichText; } set { m_RichText = value; SetTextComponentRichTextMode(); } }
// Derived property
public bool multiLine { get { return m_LineType == LineType.MultiLineNewline || lineType == LineType.MultiLineSubmit; } }
// Not shown in Inspector.
public char asteriskChar { get { return m_AsteriskChar; } set { if (SetPropertyUtility.SetStruct(ref m_AsteriskChar, value)) UpdateLabel(); } }
public bool wasCanceled { get { return m_WasCanceled; } }
protected void ClampStringPos(ref int pos)
{
if (pos < 0)
pos = 0;
else if (pos > text.Length)
pos = text.Length;
}
protected void ClampCaretPos(ref int pos)
{
if (pos < 0)
pos = 0;
else if (pos > m_TextComponent.textInfo.characterCount - 1)
pos = m_TextComponent.textInfo.characterCount - 1;
}
/// <summary>
/// Current position of the cursor.
/// Getters are public Setters are protected
/// </summary>
protected int caretPositionInternal { get { return m_CaretPosition + compositionLength; } set { m_CaretPosition = value; ClampCaretPos(ref m_CaretPosition); } }
protected int stringPositionInternal { get { return m_StringPosition + compositionLength; } set { m_StringPosition = value; ClampStringPos(ref m_StringPosition); } }
protected int caretSelectPositionInternal { get { return m_CaretSelectPosition + compositionLength; } set { m_CaretSelectPosition = value; ClampCaretPos(ref m_CaretSelectPosition); } }
protected int stringSelectPositionInternal { get { return m_StringSelectPosition + compositionLength; } set { m_StringSelectPosition = value; ClampStringPos(ref m_StringSelectPosition); } }
private bool hasSelection { get { return stringPositionInternal != stringSelectPositionInternal; } }
private bool m_isSelected;
private bool m_IsStringPositionDirty;
private bool m_IsCaretPositionDirty;
private bool m_forceRectTransformAdjustment;
/// <summary>
/// Get: Returns the focus position as thats the position that moves around even during selection.
/// Set: Set both the anchor and focus position such that a selection doesn't happen
/// </summary>
public int caretPosition
{
get { return caretSelectPositionInternal; }
set { selectionAnchorPosition = value; selectionFocusPosition = value; m_IsStringPositionDirty = true; }
}
/// <summary>
/// Get: Returns the fixed position of selection
/// Set: If compositionString is 0 set the fixed position
/// </summary>
public int selectionAnchorPosition
{
get
{
return caretPositionInternal;
}
set
{
if (compositionLength != 0)
return;
caretPositionInternal = value;
m_IsStringPositionDirty = true;
}
}
/// <summary>
/// Get: Returns the variable position of selection
/// Set: If compositionString is 0 set the variable position