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//#define TMP_DEBUG_MODE
using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.Events;
using UnityEngine.EventSystems;
using UnityEngine.Serialization;
namespace TMPro
{
/// <summary>
/// Editable text input field.
/// </summary>
[AddComponentMenu("UI/TextMeshPro - Input Field", 11)]
public class TMP_InputField : Selectable,
IUpdateSelectedHandler,
IBeginDragHandler,
IDragHandler,
IEndDragHandler,
IPointerClickHandler,
ISubmitHandler,
ICanvasElement,
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
}
public enum InputType
{
Standard,
AutoCorrect,
Password,
}
public enum CharacterValidation
{
None,
Digit,
Integer,
Decimal,
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> { }
protected TouchScreenKeyboard m_Keyboard;
static private readonly char[] kSeparators = { ' ', '.', ',', '\t', '\r', '\n' };
#region Exposed properties
/// <summary>
/// Text Text used to display the input's value.
/// </summary>
[SerializeField]
protected RectTransform m_TextViewport;
//Vector3[] m_ViewportCorners = new Vector3[4];
[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;
/// <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.
/// </summary>
[SerializeField]
private bool m_HideMobileInput = 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>
/// Custom validation callback.
/// </summary>
[SerializeField]
private OnValidateInput m_OnValidateInput;
[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(3, 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_DefaultTransformPosition;
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 bool m_IsScrollbarUpdateRequired = false;
private bool m_IsUpdatingScrollbarValues = false;
private bool m_isLastKeyBackspace = false;
private float m_ClickStartTime;
private float m_DoubleClickDelay = 0.5f;
// Doesn't include dot and @ on purpose! See usage for details.
const string kEmailSpecialCharacters = "!#$%&'*+-/=?^_`{|}~";
protected TMP_InputField()
{ }
protected Mesh mesh
{
get
{
if (m_Mesh == null)
m_Mesh = new Mesh();
return m_Mesh;
}
}
/// <summary>
/// Should the mobile keyboard input be hidden.
/// </summary>
public bool shouldHideMobileInput
{
set
{
SetPropertyUtility.SetStruct(ref m_HideMobileInput, value);
}
get
{
switch (Application.platform)
{
case RuntimePlatform.Android:
case RuntimePlatform.IPhonePlayer:
case RuntimePlatform.tvOS:
return m_HideMobileInput;
}
return true;
}
}
/// <summary>
/// Input field's current text value.
/// </summary>
public string text
{
get
{
return m_Text;
}
set
{
if (this.text == value)
return;
if (value == null) value = string.Empty;
m_Text = value;
//if (m_LineType == LineType.SingleLine)
// m_Text = m_Text.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 - 1, 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_Keyboard != null)
m_Keyboard.text = m_Text;
if (m_StringPosition > m_Text.Length)
m_StringPosition = m_StringSelectPosition = m_Text.Length;
// Set RectTransform relative position to top of viewport.
AdjustTextPositionRelativeToViewport(0);
m_forceRectTransformAdjustment = true;
SendOnValueChangedAndUpdateLabel();
}
}
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 { SetPropertyUtility.SetClass(ref m_TextComponent, value); } }
//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 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(); } }
//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;
/// <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 = true;
// 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)) SetTextComponentWrapMode(); SetToCustomIfContentTypeIsNot(ContentType.Standard, ContentType.Autocorrected); } }
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 + Input.compositionString.Length; } set { m_CaretPosition = value; ClampCaretPos(ref m_CaretPosition); } }
protected int stringPositionInternal { get { return m_StringPosition + Input.compositionString.Length; } set { m_StringPosition = value; ClampStringPos(ref m_StringPosition); } }
protected int caretSelectPositionInternal { get { return m_CaretSelectPosition + Input.compositionString.Length; } set { m_CaretSelectPosition = value; ClampCaretPos(ref m_CaretSelectPosition); } }
protected int stringSelectPositionInternal { get { return m_StringSelectPosition + Input.compositionString.Length; } set { m_StringSelectPosition = value; ClampStringPos(ref m_StringSelectPosition); } }
private bool hasSelection { get { return stringPositionInternal != stringSelectPositionInternal; } }
private bool m_isSelected;
private bool isStringPositionDirty;
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; isStringPositionDirty = true; }
}
/// <summary>
/// Get: Returns the fixed position of selection
/// Set: If Input.compositionString is 0 set the fixed position
/// </summary>
public int selectionAnchorPosition
{
get
{
return caretPositionInternal;
}
set
{
if (Input.compositionString.Length != 0)
return;
caretPositionInternal = value;
isStringPositionDirty = true;
}
}
/// <summary>
/// Get: Returns the variable position of selection
/// Set: If Input.compositionString is 0 set the variable position
/// </summary>
public int selectionFocusPosition
{
get
{
return caretSelectPositionInternal;
}
set
{
if (Input.compositionString.Length != 0)
return;
caretSelectPositionInternal = value;
isStringPositionDirty = true;
}
}
/// <summary>
///
/// </summary>
public int stringPosition
{
get { return stringSelectPositionInternal; }
set { selectionStringAnchorPosition = value; selectionStringFocusPosition = value; }
}
/// <summary>
/// The fixed position of the selection in the raw string which may contains rich text.
/// </summary>
public int selectionStringAnchorPosition
{
get
{
return stringPositionInternal;
}
set
{
if (Input.compositionString.Length != 0)
return;
stringPositionInternal = value;
//isStringPositionDirty = true;
}
}
/// <summary>
/// The variable position of the selection in the raw string which may contains rich text.
/// </summary>
public int selectionStringFocusPosition
{
get
{
return stringSelectPositionInternal;
}
set
{
if (Input.compositionString.Length != 0)
return;
stringSelectPositionInternal = value;
//isStringPositionDirty = true;
}
}
#if UNITY_EDITOR
// Remember: This is NOT related to text validation!
// This is Unity's own OnValidate method which is invoked when changing values in the Inspector.
protected override void OnValidate()
{
base.OnValidate();
EnforceContentType();
m_CharacterLimit = Math.Max(0, m_CharacterLimit);
//This can be invoked before OnEnabled is called. So we shouldn't be accessing other objects, before OnEnable is called.
if (!IsActive())
return;
SetTextComponentRichTextMode();
UpdateLabel();
if (m_AllowInput)
SetCaretActive();
}
#endif // if UNITY_EDITOR
protected override void OnEnable()
{
//Debug.Log("*** OnEnable() *** - " + this.name);
base.OnEnable();
if (m_Text == null)
m_Text = string.Empty;
if (Application.isPlaying)
{
if (m_CachedInputRenderer == null && m_TextComponent != null)
{
GameObject go = new GameObject(transform.name + " Input Caret", typeof(RectTransform));
// Add MaskableGraphic Component
TMP_SelectionCaret caret = go.AddComponent<TMP_SelectionCaret>();
caret.raycastTarget = false;
caret.color = Color.clear;
go.hideFlags = HideFlags.DontSave;
go.transform.SetParent(m_TextComponent.transform.parent);
go.transform.SetAsFirstSibling();
go.layer = gameObject.layer;
caretRectTrans = go.GetComponent<RectTransform>();
m_CachedInputRenderer = go.GetComponent<CanvasRenderer>();
m_CachedInputRenderer.SetMaterial(Graphic.defaultGraphicMaterial, Texture2D.whiteTexture);
// Needed as if any layout is present we want the caret to always be the same as the text area.
go.AddComponent<LayoutElement>().ignoreLayout = true;
AssignPositioningIfNeeded();
}
}
// If we have a cached renderer then we had OnDisable called so just restore the material.
if (m_CachedInputRenderer != null)
m_CachedInputRenderer.SetMaterial(Graphic.defaultGraphicMaterial, Texture2D.whiteTexture);
if (m_TextComponent != null)
{
m_TextComponent.RegisterDirtyVerticesCallback(MarkGeometryAsDirty);
m_TextComponent.RegisterDirtyVerticesCallback(UpdateLabel);
//m_TextComponent.ignoreRectMaskCulling = multiLine;
m_DefaultTransformPosition = m_TextComponent.rectTransform.localPosition;
// Cache reference to Vertical Scrollbar RectTransform and add listener.
if (m_VerticalScrollbar != null)
{
m_TextComponent.ignoreRectMaskCulling = true;
m_VerticalScrollbar.onValueChanged.AddListener(OnScrollbarValueChange);
}
UpdateLabel();
}
// Subscribe to event fired when text object has been regenerated.
TMPro_EventManager.TEXT_CHANGED_EVENT.Add(ON_TEXT_CHANGED);
}
protected override void OnDisable()
{
// the coroutine will be terminated, so this will ensure it restarts when we are next activated
m_BlinkCoroutine = null;
DeactivateInputField();
if (m_TextComponent != null)
{
m_TextComponent.UnregisterDirtyVerticesCallback(MarkGeometryAsDirty);
m_TextComponent.UnregisterDirtyVerticesCallback(UpdateLabel);
if (m_VerticalScrollbar != null)
m_VerticalScrollbar.onValueChanged.RemoveListener(OnScrollbarValueChange);
}
CanvasUpdateRegistry.UnRegisterCanvasElementForRebuild(this);
// Clear needs to be called otherwise sync never happens as the object is disabled.
if (m_CachedInputRenderer != null)
m_CachedInputRenderer.Clear();
if (m_Mesh != null)
DestroyImmediate(m_Mesh);
m_Mesh = null;
// Unsubscribe to event triggered when text object has been regenerated
TMPro_EventManager.TEXT_CHANGED_EVENT.Remove(ON_TEXT_CHANGED);
base.OnDisable();
}
/// <summary>
/// Method used to update the tracking of the caret position when the text object has been regenerated.
/// </summary>
/// <param name="obj"></param>
private void ON_TEXT_CHANGED(UnityEngine.Object obj)
{
if (obj == m_TextComponent && Application.isPlaying)
{
caretPositionInternal = GetCaretPositionFromStringIndex(stringPositionInternal);
caretSelectPositionInternal = GetCaretPositionFromStringIndex(stringSelectPositionInternal);
//Debug.Log("Updating Caret position - Caret Position: " + m_CaretPosition + " Caret Select Position: " + m_CaretSelectPosition);
}
}
IEnumerator CaretBlink()
{
// Always ensure caret is initially visible since it can otherwise be confusing for a moment.
m_CaretVisible = true;
yield return null;
while (/*isFocused &&*/ m_CaretBlinkRate > 0)
{
// the blink rate is expressed as a frequency
float blinkPeriod = 1f / m_CaretBlinkRate;
// the caret should be ON if we are in the first half of the blink period
bool blinkState = (Time.unscaledTime - m_BlinkStartTime) % blinkPeriod < blinkPeriod / 2;
if (m_CaretVisible != blinkState)
{
m_CaretVisible = blinkState;
if (!hasSelection)
MarkGeometryAsDirty();
}
// Then wait again.
yield return null;
}
m_BlinkCoroutine = null;
}
void SetCaretVisible()
{
if (!m_AllowInput)
return;
m_CaretVisible = true;
m_BlinkStartTime = Time.unscaledTime;
SetCaretActive();
}
// SetCaretActive will not set the caret immediately visible - it will wait for the next time to blink.
// However, it will handle things correctly if the blink speed changed from zero to non-zero or non-zero to zero.
void SetCaretActive()
{
if (!m_AllowInput)
return;
if (m_CaretBlinkRate > 0.0f)
{
if (m_BlinkCoroutine == null)
m_BlinkCoroutine = StartCoroutine(CaretBlink());
}
else
{
m_CaretVisible = true;
}
}
protected void OnFocus()
{
if (m_OnFocusSelectAll)
SelectAll();
}
protected void SelectAll()
{
m_isSelectAll = true;
stringPositionInternal = text.Length;
stringSelectPositionInternal = 0;
}
/// <summary>
/// Move to the end of the text.
/// </summary>
/// <param name="shift"></param>
public void MoveTextEnd(bool shift)
{
if (m_isRichTextEditingAllowed)
{
int position = text.Length;
if (shift)
{
stringSelectPositionInternal = position;
}
else
{
stringPositionInternal = position;
stringSelectPositionInternal = stringPositionInternal;
}
}
else
{
int position = m_TextComponent.textInfo.characterCount - 1;
if (shift)
{
caretSelectPositionInternal = position;
stringSelectPositionInternal = GetStringIndexFromCaretPosition(position);
}
else
{
caretPositionInternal = caretSelectPositionInternal = position;
stringSelectPositionInternal = stringPositionInternal = GetStringIndexFromCaretPosition(position);
}
}
UpdateLabel();
}
/// <summary>
/// Move to the start of the text.
/// </summary>
/// <param name="shift"></param>
public void MoveTextStart(bool shift)
{
if (m_isRichTextEditingAllowed)
{
int position = 0;
if (shift)
{
stringSelectPositionInternal = position;
}
else
{
stringPositionInternal = position;
stringSelectPositionInternal = stringPositionInternal;
}
}
else
{
int position = 0;
if (shift)
{
caretSelectPositionInternal = position;
stringSelectPositionInternal = GetStringIndexFromCaretPosition(position);
}
else
{
caretPositionInternal = caretSelectPositionInternal = position;
stringSelectPositionInternal = stringPositionInternal = GetStringIndexFromCaretPosition(position);
}
}
UpdateLabel();
}
/// <summary>
/// Move to the end of the current line of text.
/// </summary>
/// <param name="shift"></param>
public void MoveToEndOfLine(bool shift, bool ctrl)
{
// Get the line the caret is currently located on.
int currentLine = m_TextComponent.textInfo.characterInfo[caretPositionInternal].lineNumber;
// Get the last character of the given line.
int position = ctrl == true ? m_TextComponent.textInfo.characterCount - 1 : m_TextComponent.textInfo.lineInfo[currentLine].lastCharacterIndex;
position = GetStringIndexFromCaretPosition(position);
if (shift)
{
stringSelectPositionInternal = position;
}
else
{
stringPositionInternal = position;
stringSelectPositionInternal = stringPositionInternal;
}
UpdateLabel();
}
/// <summary>
/// Move to the start of the current line of text.
/// </summary>
/// <param name="shift"></param>
public void MoveToStartOfLine(bool shift, bool ctrl)
{
// Get the line the caret is currently located on.
int currentLine = m_TextComponent.textInfo.characterInfo[caretPositionInternal].lineNumber;
// Get the last character of the given line.
int position = ctrl == true ? 0 : m_TextComponent.textInfo.lineInfo[currentLine].firstCharacterIndex;
position = GetStringIndexFromCaretPosition(position);
if (shift)
{
stringSelectPositionInternal = position;
}
else
{
stringPositionInternal = position;
stringSelectPositionInternal = stringPositionInternal;
}
UpdateLabel();
}
static string clipboard
{
get
{
return GUIUtility.systemCopyBuffer;
}
set
{
GUIUtility.systemCopyBuffer = value;
}
}
private bool InPlaceEditing()
{
return !TouchScreenKeyboard.isSupported;
}
/// <summary>
/// Update the text based on input.
/// </summary>
// TODO: Make LateUpdate a coroutine instead. Allows us to control the update to only be when the field is active.
protected virtual void LateUpdate()
{
// Only activate if we are not already activated.
if (m_ShouldActivateNextUpdate)
{
if (!isFocused)
{
ActivateInputFieldInternal();
m_ShouldActivateNextUpdate = false;
return;
}
// Reset as we are already activated.
m_ShouldActivateNextUpdate = false;
}
// Update Scrollbar if needed
if (m_IsScrollbarUpdateRequired)
{
UpdateScrollbar();
m_IsScrollbarUpdateRequired = false;
}
//if (!isFocused && !m_VerticalScrollbarEventHandler.isSelected)
//{
// m_ForceDeactivation = true;
// DeactivateInputField();
// return;
//}
//if (!isFocused)
//{
// GameObject currentSelection = EventSystem.current == null ? null : EventSystem.current.currentSelectedGameObject;
// if (currentSelection != null)
// Debug.Log("Current Selection is: " + EventSystem.current.currentSelectedGameObject);
// else
// Debug.Log("No GameObject is selected...");
//}
if (InPlaceEditing() || !isFocused)
return;
//Debug.Log(this + " has focus...");
AssignPositioningIfNeeded();
if (m_Keyboard == null || !m_Keyboard.active)
{
if (m_Keyboard != null)
{
if (!m_ReadOnly)
text = m_Keyboard.text;
if (m_Keyboard.status == TouchScreenKeyboard.Status.Canceled)
m_WasCanceled = true;
if (m_Keyboard.status == TouchScreenKeyboard.Status.Done)
OnSubmit(null);
}
OnDeselect(null);
return;
}
string val = m_Keyboard.text;
if (m_Text != val)
{
if (m_ReadOnly)
{
m_Keyboard.text = m_Text;
}
else
{
m_Text = "";
for (int i = 0; i < val.Length; ++i)
{
char c = val[i];
if (c == '\r' || (int)c == 3)
c = '\n';
if (onValidateInput != null)
c = onValidateInput(m_Text, m_Text.Length, c);
else if (characterValidation != CharacterValidation.None)
c = Validate(m_Text, m_Text.Length, c);
if (lineType == LineType.MultiLineSubmit && c == '\n')
{
m_Keyboard.text = m_Text;
OnSubmit(null);
OnDeselect(null);
return;
}
if (c != 0)
m_Text += c;
}
if (characterLimit > 0 && m_Text.Length > characterLimit)
m_Text = m_Text.Substring(0, characterLimit);
stringPositionInternal = stringSelectPositionInternal = m_Text.Length;
// Set keyboard text before updating label, as we might have changed it with validation
// and update label will take the old value from keyboard if we don't change it here
if (m_Text != val)
m_Keyboard.text = m_Text;
SendOnValueChangedAndUpdateLabel();
}
}
if (m_Keyboard.status == TouchScreenKeyboard.Status.Done)
{
if (m_Keyboard.status == TouchScreenKeyboard.Status.Canceled)
m_WasCanceled = true;
OnDeselect(null);
}
}
private bool MayDrag(PointerEventData eventData)
{
return IsActive() &&
IsInteractable() &&
eventData.button == PointerEventData.InputButton.Left &&
m_TextComponent != null &&
m_Keyboard == null;
}
public virtual void OnBeginDrag(PointerEventData eventData)
{
if (!MayDrag(eventData))
return;
m_UpdateDrag = true;
}
public virtual void OnDrag(PointerEventData eventData)
{
if (!MayDrag(eventData))
return;
CaretPosition insertionSide;
int insertionIndex = TMP_TextUtilities.GetCursorIndexFromPosition(m_TextComponent, eventData.position, eventData.pressEventCamera, out insertionSide);
if (insertionSide == CaretPosition.Left)
stringSelectPositionInternal = GetStringIndexFromCaretPosition(insertionIndex);
else if (insertionSide == CaretPosition.Right)
stringSelectPositionInternal = GetStringIndexFromCaretPosition(insertionIndex) + 1;
caretSelectPositionInternal = GetCaretPositionFromStringIndex(stringSelectPositionInternal);
MarkGeometryAsDirty();
m_DragPositionOutOfBounds = !RectTransformUtility.RectangleContainsScreenPoint(textViewport, eventData.position, eventData.pressEventCamera);
if (m_DragPositionOutOfBounds && m_DragCoroutine == null)
m_DragCoroutine = StartCoroutine(MouseDragOutsideRect(eventData));
eventData.Use();
}
IEnumerator MouseDragOutsideRect(PointerEventData eventData)
{
while (m_UpdateDrag && m_DragPositionOutOfBounds)
{
Vector2 localMousePos;
RectTransformUtility.ScreenPointToLocalPointInRectangle(textViewport, eventData.position, eventData.pressEventCamera, out localMousePos);
Rect rect = textViewport.rect;
if (multiLine)
{
if (localMousePos.y > rect.yMax)
MoveUp(true, true);
else if (localMousePos.y < rect.yMin)
MoveDown(true, true);
}
else
{
if (localMousePos.x < rect.xMin)
MoveLeft(true, false);
else if (localMousePos.x > rect.xMax)
MoveRight(true, false);
}
UpdateLabel();
float delay = multiLine ? kVScrollSpeed : kHScrollSpeed;
yield return new WaitForSeconds(delay);
//yield return new WaitForSecondsRealtime(delay); // Unity 5.4
}
m_DragCoroutine = null;
}
public virtual void OnEndDrag(PointerEventData eventData)
{
if (!MayDrag(eventData))
return;
m_UpdateDrag = false;
}
public override void OnPointerDown(PointerEventData eventData)
{
if (!MayDrag(eventData))
return;
EventSystem.current.SetSelectedGameObject(gameObject, eventData);
bool hadFocusBefore = m_AllowInput;
base.OnPointerDown(eventData);
if (!InPlaceEditing())
{
if (m_Keyboard == null || !m_Keyboard.active)
{
OnSelect(eventData);
return;
}
}
bool shift = Input.GetKey(KeyCode.LeftShift) || Input.GetKey(KeyCode.RightShift);
// Check for Double Click
bool isDoubleClick = false;
float timeStamp = Time.unscaledTime;
if (m_ClickStartTime + m_DoubleClickDelay > timeStamp)
isDoubleClick = true;
m_ClickStartTime = timeStamp;
// Only set caret position if we didn't just get focus now.
// Otherwise it will overwrite the select all on focus.
if (hadFocusBefore || !m_OnFocusSelectAll)
{
CaretPosition insertionSide;
int insertionIndex = TMP_TextUtilities.GetCursorIndexFromPosition(m_TextComponent, eventData.position, eventData.pressEventCamera, out insertionSide);
if (shift)
{
if (insertionSide == CaretPosition.Left)
stringSelectPositionInternal = GetStringIndexFromCaretPosition(insertionIndex);
else if (insertionSide == CaretPosition.Right)
stringSelectPositionInternal = GetStringIndexFromCaretPosition(insertionIndex) + 1;
}
else
{
if (insertionSide == CaretPosition.Left)
stringPositionInternal = stringSelectPositionInternal = GetStringIndexFromCaretPosition(insertionIndex);
else if (insertionSide == CaretPosition.Right)
stringPositionInternal = stringSelectPositionInternal = GetStringIndexFromCaretPosition(insertionIndex) + 1;
}
if (isDoubleClick)
{
int wordIndex = TMP_TextUtilities.FindIntersectingWord(m_TextComponent, eventData.position, eventData.pressEventCamera);
if (wordIndex != -1)
{
// Select current word
caretPositionInternal = m_TextComponent.textInfo.wordInfo[wordIndex].firstCharacterIndex;
caretSelectPositionInternal = m_TextComponent.textInfo.wordInfo[wordIndex].lastCharacterIndex + 1;
stringPositionInternal = GetStringIndexFromCaretPosition(caretPositionInternal);
stringSelectPositionInternal = GetStringIndexFromCaretPosition(caretSelectPositionInternal);
}
else
{
// Select current character
caretPositionInternal = GetCaretPositionFromStringIndex(stringPositionInternal);
stringSelectPositionInternal += 1;
caretSelectPositionInternal = caretPositionInternal + 1;
caretSelectPositionInternal = GetCaretPositionFromStringIndex(stringSelectPositionInternal);
}
}
else
{
caretPositionInternal = caretSelectPositionInternal = GetCaretPositionFromStringIndex(stringPositionInternal);
}
}
UpdateLabel();
eventData.Use();
}
protected enum EditState
{
Continue,
Finish
}
protected EditState KeyPressed(Event evt)
{
var currentEventModifiers = evt.modifiers;
RuntimePlatform rp = Application.platform;
bool isMac = (rp == RuntimePlatform.OSXEditor || rp == RuntimePlatform.OSXPlayer);
bool ctrl = isMac ? (currentEventModifiers & EventModifiers.Command) != 0 : (currentEventModifiers & EventModifiers.Control) != 0;
bool shift = (currentEventModifiers & EventModifiers.Shift) != 0;
bool alt = (currentEventModifiers & EventModifiers.Alt) != 0;
bool ctrlOnly = ctrl && !alt && !shift;
switch (evt.keyCode)
{
case KeyCode.Backspace:
{
Backspace();
return EditState.Continue;
}
case KeyCode.Delete:
{
ForwardSpace();
return EditState.Continue;
}
case KeyCode.Home:
{
MoveToStartOfLine(shift, ctrl);
return EditState.Continue;
}
case KeyCode.End:
{
MoveToEndOfLine(shift, ctrl);
return EditState.Continue;
}
// Select All
case KeyCode.A:
{
if (ctrlOnly)
{
SelectAll();
return EditState.Continue;
}
break;
}
// Copy
case KeyCode.C:
{
if (ctrlOnly)
{
if (inputType != InputType.Password)
clipboard = GetSelectedString();
else
clipboard = "";
return EditState.Continue;
}
break;
}
// Paste
case KeyCode.V:
{
if (ctrlOnly)
{
Append(clipboard);
return EditState.Continue;
}
break;
}
// Cut
case KeyCode.X:
{
if (ctrlOnly)
{
if (inputType != InputType.Password)
clipboard = GetSelectedString();
else
clipboard = "";
Delete();
SendOnValueChangedAndUpdateLabel();
return EditState.Continue;
}
break;
}
case KeyCode.LeftArrow:
{
MoveLeft(shift, ctrl);
return EditState.Continue;
}
case KeyCode.RightArrow:
{
MoveRight(shift, ctrl);
return EditState.Continue;
}
case KeyCode.UpArrow:
{
MoveUp(shift);
return EditState.Continue;
}
case KeyCode.DownArrow:
{
MoveDown(shift);
return EditState.Continue;
}
case KeyCode.PageUp:
{
MovePageUp(shift);
return EditState.Continue;
}
case KeyCode.PageDown:
{
MovePageDown(shift);
return EditState.Continue;
}
// Submit
case KeyCode.Return:
case KeyCode.KeypadEnter:
{
if (lineType != LineType.MultiLineNewline)
{
return EditState.Finish;
}
break;
}
case KeyCode.Escape:
{
m_WasCanceled = true;
return EditState.Finish;
}
}
char c = evt.character;
// Don't allow return chars or tabulator key to be entered into single line fields.
if (!multiLine && (c == '\t' || c == '\r' || c == 10))
return EditState.Continue;
// Convert carriage return and end-of-text characters to newline.
if (c == '\r' || (int)c == 3)
c = '\n';
if (IsValidChar(c))
{
Append(c);
}
if (c == 0)
{
if (Input.compositionString.Length > 0)
{
UpdateLabel();
}
}
return EditState.Continue;
}
private bool IsValidChar(char c)
{
// Delete key on mac
if ((int)c == 127)
return false;
// Accept newline and tab
if (c == '\t' || c == '\n')
return true;
return m_TextComponent.font.HasCharacter(c, true);
}
/// <summary>
/// Handle the specified event.
/// </summary>
private Event m_ProcessingEvent = new Event();
public void ProcessEvent(Event e)
{
KeyPressed(e);
}
/// <summary>
///
/// </summary>
/// <param name="eventData"></param>
public virtual void OnUpdateSelected(BaseEventData eventData)
{
if (!isFocused)
return;
bool consumedEvent = false;
while (Event.PopEvent(m_ProcessingEvent))
{
if (m_ProcessingEvent.rawType == EventType.KeyDown)
{
consumedEvent = true;
var shouldContinue = KeyPressed(m_ProcessingEvent);
if (shouldContinue == EditState.Finish)
{
SendOnSubmit();
DeactivateInputField();
break;
}
}
switch (m_ProcessingEvent.type)
{
case EventType.ValidateCommand:
case EventType.ExecuteCommand:
switch (m_ProcessingEvent.commandName)
{
case "SelectAll":
SelectAll();
consumedEvent = true;
break;
}
break;
}
}
if (consumedEvent)
UpdateLabel();
eventData.Use();
}
/// <summary>
///
/// </summary>
/// <param name="eventData"></param>
public virtual void OnScroll(PointerEventData eventData)
{
if (m_TextComponent.preferredHeight < m_TextViewport.rect.height) return;
float scrollDirection = -eventData.scrollDelta.y;
m_ScrollPosition = m_ScrollPosition + (1f / m_TextComponent.textInfo.lineCount) * scrollDirection * m_ScrollSensitivity;
m_ScrollPosition = Mathf.Clamp01(m_ScrollPosition);
AdjustTextPositionRelativeToViewport(m_ScrollPosition);
// Disable focus until user re-selected the input field.
m_AllowInput = false;
if (m_VerticalScrollbar)
{
m_IsUpdatingScrollbarValues = true;
m_VerticalScrollbar.value = m_ScrollPosition;
//m_VerticalScrollbar.numberOfSteps = (int)(m_TextComponent.textInfo.lineCount / scrollSensitivity);
}
//Debug.Log("Scroll Position:" + m_ScrollPosition);
}
private string GetSelectedString()
{
if (!hasSelection)
return "";
int startPos = stringPositionInternal;
int endPos = stringSelectPositionInternal;
// Ensure pos is always less then selPos to make the code simpler
if (startPos > endPos)
{
int temp = startPos;
startPos = endPos;
endPos = temp;
}
//for (int i = m_CaretPosition; i < m_CaretSelectPosition; i++)
//{
// Debug.Log("Character [" + m_TextComponent.textInfo.characterInfo[i].character + "] using Style [" + m_TextComponent.textInfo.characterInfo[i].style + "] has been selected.");
//}
return text.Substring(startPos, endPos - startPos);
}
private int FindtNextWordBegin()
{
if (stringSelectPositionInternal + 1 >= text.Length)
return text.Length;
int spaceLoc = text.IndexOfAny(kSeparators, stringSelectPositionInternal + 1);
if (spaceLoc == -1)
spaceLoc = text.Length;
else
spaceLoc++;
return spaceLoc;
}
private void MoveRight(bool shift, bool ctrl)
{
if (hasSelection && !shift)
{
// By convention, if we have a selection and move right without holding shift,
// we just place the cursor at the end.
stringPositionInternal = stringSelectPositionInternal = Mathf.Max(stringPositionInternal, stringSelectPositionInternal);
caretPositionInternal = caretSelectPositionInternal = GetCaretPositionFromStringIndex(stringSelectPositionInternal);
#if TMP_DEBUG_MODE
Debug.Log("Caret Position: " + caretPositionInternal + " Selection Position: " + caretSelectPositionInternal + " String Position: " + stringPositionInternal + " String Select Position: " + stringSelectPositionInternal);
#endif
return;
}
int position;
if (ctrl)
position = FindtNextWordBegin();
else
{
if (m_isRichTextEditingAllowed)
position = stringSelectPositionInternal + 1;
else
position = GetStringIndexFromCaretPosition(caretSelectPositionInternal + 1);
}
if (shift)
{
stringSelectPositionInternal = position;
caretSelectPositionInternal = GetCaretPositionFromStringIndex(stringSelectPositionInternal);
}
else
{
stringSelectPositionInternal = stringPositionInternal = position;
caretSelectPositionInternal = caretPositionInternal = GetCaretPositionFromStringIndex(stringSelectPositionInternal);
}
#if TMP_DEBUG_MODE
Debug.Log("Caret Position: " + caretPositionInternal + " Selection Position: " + caretSelectPositionInternal + " String Position: " + stringPositionInternal + " String Select Position: " + stringSelectPositionInternal);
#endif
}
private int FindtPrevWordBegin()
{
if (stringSelectPositionInternal - 2 < 0)
return 0;
int spaceLoc = text.LastIndexOfAny(kSeparators, stringSelectPositionInternal - 2);
if (spaceLoc == -1)
spaceLoc = 0;
else
spaceLoc++;
return spaceLoc;
}
private void MoveLeft(bool shift, bool ctrl)
{
if (hasSelection && !shift)
{
// By convention, if we have a selection and move left without holding shift,
// we just place the cursor at the start.
stringPositionInternal = stringSelectPositionInternal = Mathf.Min(stringPositionInternal, stringSelectPositionInternal);
caretPositionInternal = caretSelectPositionInternal = GetCaretPositionFromStringIndex(stringSelectPositionInternal);
#if TMP_DEBUG_MODE
Debug.Log("Caret Position: " + caretPositionInternal + " Selection Position: " + caretSelectPositionInternal + " String Position: " + stringPositionInternal + " String Select Position: " + stringSelectPositionInternal);
#endif
return;
}
int position;
if (ctrl)
position = FindtPrevWordBegin();
else
{
if (m_isRichTextEditingAllowed)
position = stringSelectPositionInternal - 1;
else
position = GetStringIndexFromCaretPosition(caretSelectPositionInternal - 1);
}
if (shift)
{
stringSelectPositionInternal = position;
caretSelectPositionInternal = GetCaretPositionFromStringIndex(stringSelectPositionInternal);
}
else
{
stringSelectPositionInternal = stringPositionInternal = position;
caretSelectPositionInternal = caretPositionInternal = GetCaretPositionFromStringIndex(stringSelectPositionInternal);
}
#if TMP_DEBUG_MODE
Debug.Log("Caret Position: " + caretPositionInternal + " Selection Position: " + caretSelectPositionInternal + " String Position: " + stringPositionInternal + " String Select Position: " + stringSelectPositionInternal);
#endif
}
private int LineUpCharacterPosition(int originalPos, bool goToFirstChar)
{
if (originalPos >= m_TextComponent.textInfo.characterCount)
originalPos -= 1;
TMP_CharacterInfo originChar = m_TextComponent.textInfo.characterInfo[originalPos];
int originLine = originChar.lineNumber;
// We are on the first line return first character
if (originLine - 1 < 0)
return goToFirstChar ? 0 : originalPos;
int endCharIdx = m_TextComponent.textInfo.lineInfo[originLine].firstCharacterIndex - 1;
int closest = -1;
float distance = TMP_Math.FLOAT_MAX;
float range = 0;
for (int i = m_TextComponent.textInfo.lineInfo[originLine - 1].firstCharacterIndex; i < endCharIdx; ++i)
{
TMP_CharacterInfo currentChar = m_TextComponent.textInfo.characterInfo[i];
float d = originChar.origin - currentChar.origin;
float r = d / (currentChar.xAdvance - currentChar.origin);
if (r >= 0 && r <= 1)
{
if (r < 0.5f)
return i;
else
return i + 1;
}
d = Mathf.Abs(d);
if (d < distance)
{
closest = i;
distance = d;
range = r;
}
}
if (closest == -1) return endCharIdx;
//Debug.Log("Returning nearest character with Range = " + range);
if (range < 0.5f)
return closest;
else
return closest + 1;
}
private int LineDownCharacterPosition(int originalPos, bool goToLastChar)
{
if (originalPos >= m_TextComponent.textInfo.characterCount)
return m_TextComponent.textInfo.characterCount - 1; // text.Length;
TMP_CharacterInfo originChar = m_TextComponent.textInfo.characterInfo[originalPos];
int originLine = originChar.lineNumber;
//// We are on the last line return last character
if (originLine + 1 >= m_TextComponent.textInfo.lineCount)
return goToLastChar ? m_TextComponent.textInfo.characterCount - 1 : originalPos;
// Need to determine end line for next line.
int endCharIdx = m_TextComponent.textInfo.lineInfo[originLine + 1].lastCharacterIndex;
int closest = -1;
float distance = TMP_Math.FLOAT_MAX;
float range = 0;
for (int i = m_TextComponent.textInfo.lineInfo[originLine + 1].firstCharacterIndex; i < endCharIdx; ++i)
{
TMP_CharacterInfo currentChar = m_TextComponent.textInfo.characterInfo[i];
float d = originChar.origin - currentChar.origin;
float r = d / (currentChar.xAdvance - currentChar.origin);
if (r >= 0 && r <= 1)
{
if (r < 0.5f)
return i;
else
return i + 1;
}
d = Mathf.Abs(d);
if (d < distance)
{
closest = i;
distance = d;
range = r;
}
}
if (closest == -1) return endCharIdx;
//Debug.Log("Returning nearest character with Range = " + range);
if (range < 0.5f)
return closest;
else
return closest + 1;
}
private int PageUpCharacterPosition(int originalPos, bool goToFirstChar)
{
if (originalPos >= m_TextComponent.textInfo.characterCount)
originalPos -= 1;
TMP_CharacterInfo originChar = m_TextComponent.textInfo.characterInfo[originalPos];
int originLine = originChar.lineNumber;
// We are on the first line return first character
if (originLine - 1 < 0)
return goToFirstChar ? 0 : originalPos;
float viewportHeight = m_TextViewport.rect.height;
int newLine = originLine - 1;
// Iterate through each subsequent line to find the first baseline that is not visible in the viewport.
for (; newLine > 0; newLine--)
{
if (m_TextComponent.textInfo.lineInfo[newLine].baseline > m_TextComponent.textInfo.lineInfo[originLine].baseline + viewportHeight)
break;
}
int endCharIdx = m_TextComponent.textInfo.lineInfo[newLine].lastCharacterIndex;
int closest = -1;
float distance = TMP_Math.FLOAT_MAX;
float range = 0;
for (int i = m_TextComponent.textInfo.lineInfo[newLine].firstCharacterIndex; i < endCharIdx; ++i)
{
TMP_CharacterInfo currentChar = m_TextComponent.textInfo.characterInfo[i];
float d = originChar.origin - currentChar.origin;
float r = d / (currentChar.xAdvance - currentChar.origin);
if (r >= 0 && r <= 1)
{
if (r < 0.5f)
return i;
else
return i + 1;
}
d = Mathf.Abs(d);
if (d < distance)
{
closest = i;
distance = d;
range = r;
}
}
if (closest == -1) return endCharIdx;
//Debug.Log("Returning nearest character with Range = " + range);
if (range < 0.5f)
return closest;
else
return closest + 1;
}
private int PageDownCharacterPosition(int originalPos, bool goToLastChar)
{
if (originalPos >= m_TextComponent.textInfo.characterCount)
return m_TextComponent.textInfo.characterCount - 1;
TMP_CharacterInfo originChar = m_TextComponent.textInfo.characterInfo[originalPos];
int originLine = originChar.lineNumber;
// We are on the last line return last character
if (originLine + 1 >= m_TextComponent.textInfo.lineCount)
return goToLastChar ? m_TextComponent.textInfo.characterCount - 1 : originalPos;
float viewportHeight = m_TextViewport.rect.height;
int newLine = originLine + 1;
// Iterate through each subsequent line to find the first baseline that is not visible in the viewport.
for (; newLine < m_TextComponent.textInfo.lineCount - 1; newLine++)
{
if (m_TextComponent.textInfo.lineInfo[newLine].baseline < m_TextComponent.textInfo.lineInfo[originLine].baseline - viewportHeight)
break;
}
// Need to determine end line for next line.
int endCharIdx = m_TextComponent.textInfo.lineInfo[newLine].lastCharacterIndex;
int closest = -1;
float distance = TMP_Math.FLOAT_MAX;
float range = 0;
for (int i = m_TextComponent.textInfo.lineInfo[newLine].firstCharacterIndex; i < endCharIdx; ++i)
{
TMP_CharacterInfo currentChar = m_TextComponent.textInfo.characterInfo[i];
float d = originChar.origin - currentChar.origin;
float r = d / (currentChar.xAdvance - currentChar.origin);
if (r >= 0 && r <= 1)
{
if (r < 0.5f)
return i;
else
return i + 1;
}
d = Mathf.Abs(d);
if (d < distance)
{
closest = i;
distance = d;
range = r;
}
}
if (closest == -1) return endCharIdx;
if (range < 0.5f)
return closest;
else
return closest + 1;
}
private void MoveDown(bool shift)
{
MoveDown(shift, true);
}
private void MoveDown(bool shift, bool goToLastChar)
{
if (hasSelection && !shift)
{
// If we have a selection and press down without shift,
// set caret to end of selection before we move it down.
caretPositionInternal = caretSelectPositionInternal = Mathf.Max(caretPositionInternal, caretSelectPositionInternal);
}
int position = multiLine ? LineDownCharacterPosition(caretSelectPositionInternal, goToLastChar) : m_TextComponent.textInfo.characterCount - 1; // text.Length;
if (shift)
{
caretSelectPositionInternal = position;
stringSelectPositionInternal = GetStringIndexFromCaretPosition(caretSelectPositionInternal);
}
else
{
caretSelectPositionInternal = caretPositionInternal = position;
stringSelectPositionInternal = stringPositionInternal = GetStringIndexFromCaretPosition(caretSelectPositionInternal);
}
#if TMP_DEBUG_MODE
Debug.Log("Caret Position: " + caretPositionInternal + " Selection Position: " + caretSelectPositionInternal + " String Position: " + stringPositionInternal + " String Select Position: " + stringSelectPositionInternal);
#endif
}
private void MoveUp(bool shift)
{
MoveUp(shift, true);
}
private void MoveUp(bool shift, bool goToFirstChar)
{
if (hasSelection && !shift)
{
// If we have a selection and press up without shift,
// set caret position to start of selection before we move it up.
caretPositionInternal = caretSelectPositionInternal = Mathf.Min(caretPositionInternal, caretSelectPositionInternal);
}
int position = multiLine ? LineUpCharacterPosition(caretSelectPositionInternal, goToFirstChar) : 0;
if (shift)
{
caretSelectPositionInternal = position;
stringSelectPositionInternal = GetStringIndexFromCaretPosition(caretSelectPositionInternal);
}
else
{
caretSelectPositionInternal = caretPositionInternal = position;
stringSelectPositionInternal = stringPositionInternal = GetStringIndexFromCaretPosition(caretSelectPositionInternal);
}
#if TMP_DEBUG_MODE
Debug.Log("Caret Position: " + caretPositionInternal + " Selection Position: " + caretSelectPositionInternal + " String Position: " + stringPositionInternal + " String Select Position: " + stringSelectPositionInternal);
#endif
}
private void MovePageUp(bool shift)
{
MovePageUp(shift, true);
}
private void MovePageUp(bool shift, bool goToFirstChar)
{
if (hasSelection && !shift)
{
// If we have a selection and press up without shift,
// set caret position to start of selection before we move it up.
caretPositionInternal = caretSelectPositionInternal = Mathf.Min(caretPositionInternal, caretSelectPositionInternal);
}
int position = multiLine ? PageUpCharacterPosition(caretSelectPositionInternal, goToFirstChar) : 0;
if (shift)
{
caretSelectPositionInternal = position;
stringSelectPositionInternal = GetStringIndexFromCaretPosition(caretSelectPositionInternal);
}
else
{
caretSelectPositionInternal = caretPositionInternal = position;
stringSelectPositionInternal = stringPositionInternal = GetStringIndexFromCaretPosition(caretSelectPositionInternal);
}
// Scroll to top of viewport
//int currentLine = m_TextComponent.textInfo.characterInfo[position].lineNumber;
//float lineAscender = m_TextComponent.textInfo.lineInfo[currentLine].ascender;
// Adjust text area up or down if not in single line mode.
if (m_LineType != LineType.SingleLine)
{
float offset = m_TextViewport.rect.height; // m_TextViewport.rect.yMax - (m_TextComponent.rectTransform.anchoredPosition.y + lineAscender);
float topTextBounds = m_TextComponent.rectTransform.position.y + m_TextComponent.textBounds.max.y;
float topViewportBounds = m_TextViewport.position.y + m_TextViewport.rect.yMax;
offset = topViewportBounds > topTextBounds + offset ? offset : topViewportBounds - topTextBounds;
m_TextComponent.rectTransform.anchoredPosition += new Vector2(0, offset);
AssignPositioningIfNeeded();
m_IsScrollbarUpdateRequired = true;
}
#if TMP_DEBUG_MODE
Debug.Log("Caret Position: " + caretPositionInternal + " Selection Position: " + caretSelectPositionInternal + " String Position: " + stringPositionInternal + " String Select Position: " + stringSelectPositionInternal);
#endif
}
private void MovePageDown(bool shift)
{
MovePageDown(shift, true);
}
private void MovePageDown(bool shift, bool goToLastChar)
{
if (hasSelection && !shift)
{
// If we have a selection and press down without shift,
// set caret to end of selection before we move it down.
caretPositionInternal = caretSelectPositionInternal = Mathf.Max(caretPositionInternal, caretSelectPositionInternal);
}
int position = multiLine ? PageDownCharacterPosition(caretSelectPositionInternal, goToLastChar) : m_TextComponent.textInfo.characterCount - 1;
if (shift)
{
caretSelectPositionInternal = position;
stringSelectPositionInternal = GetStringIndexFromCaretPosition(caretSelectPositionInternal);
}
else
{
caretSelectPositionInternal = caretPositionInternal = position;
stringSelectPositionInternal = stringPositionInternal = GetStringIndexFromCaretPosition(caretSelectPositionInternal);
}
// Scroll to top of viewport
//int currentLine = m_TextComponent.textInfo.characterInfo[position].lineNumber;
//float lineAscender = m_TextComponent.textInfo.lineInfo[currentLine].ascender;
// Adjust text area up or down if not in single line mode.
if (m_LineType != LineType.SingleLine)
{
float offset = m_TextViewport.rect.height; // m_TextViewport.rect.yMax - (m_TextComponent.rectTransform.anchoredPosition.y + lineAscender);
float bottomTextBounds = m_TextComponent.rectTransform.position.y + m_TextComponent.textBounds.min.y;
float bottomViewportBounds = m_TextViewport.position.y + m_TextViewport.rect.yMin;
offset = bottomViewportBounds > bottomTextBounds + offset ? offset : bottomViewportBounds - bottomTextBounds;
m_TextComponent.rectTransform.anchoredPosition += new Vector2(0, offset);
AssignPositioningIfNeeded();
m_IsScrollbarUpdateRequired = true;
}
#if TMP_DEBUG_MODE
Debug.Log("Caret Position: " + caretPositionInternal + " Selection Position: " + caretSelectPositionInternal + " String Position: " + stringPositionInternal + " String Select Position: " + stringSelectPositionInternal);
#endif
}
private void Delete()
{
if (m_ReadOnly)
return;
if (stringPositionInternal == stringSelectPositionInternal)
return;
if (m_isRichTextEditingAllowed || m_isSelectAll)
{
// Handling of Delete when Rich Text is allowed.
if (stringPositionInternal < stringSelectPositionInternal)
{
m_Text = text.Substring(0, stringPositionInternal) + text.Substring(stringSelectPositionInternal, text.Length - stringSelectPositionInternal);
stringSelectPositionInternal = stringPositionInternal;
}
else
{
m_Text = text.Substring(0, stringSelectPositionInternal) + text.Substring(stringPositionInternal, text.Length - stringPositionInternal);
stringPositionInternal = stringSelectPositionInternal;
}
m_isSelectAll = false;
}
else
{
stringPositionInternal = GetStringIndexFromCaretPosition(caretPositionInternal);
stringSelectPositionInternal = GetStringIndexFromCaretPosition(caretSelectPositionInternal);
// Handling of Delete when Rich Text is not allowed.
if (caretPositionInternal < caretSelectPositionInternal)
{
m_Text = text.Substring(0, stringPositionInternal) + text.Substring(stringSelectPositionInternal, text.Length - stringSelectPositionInternal);
stringSelectPositionInternal = stringPositionInternal;
caretSelectPositionInternal = caretPositionInternal;
}
else
{
m_Text = text.Substring(0, stringSelectPositionInternal) + text.Substring(stringPositionInternal, text.Length - stringPositionInternal);
stringPositionInternal = stringSelectPositionInternal;
stringPositionInternal = stringSelectPositionInternal;
caretPositionInternal = caretSelectPositionInternal;
}
}
#if TMP_DEBUG_MODE
Debug.Log("Caret Position: " + caretPositionInternal + " Selection Position: " + caretSelectPositionInternal + " String Position: " + stringPositionInternal + " String Select Position: " + stringSelectPositionInternal);
#endif
}
/// <summary>
/// Handling of DEL key
/// </summary>
private void ForwardSpace()
{
if (m_ReadOnly)
return;
if (hasSelection)
{
Delete();
SendOnValueChangedAndUpdateLabel();
}
else
{
if (m_isRichTextEditingAllowed)
{
if (stringPositionInternal < text.Length)
{
m_Text = text.Remove(stringPositionInternal, 1);
SendOnValueChangedAndUpdateLabel();
}
}
else
{
if (caretPositionInternal < m_TextComponent.textInfo.characterCount - 1)
{
stringSelectPositionInternal = stringPositionInternal = GetStringIndexFromCaretPosition(caretPositionInternal);
m_Text = text.Remove(stringPositionInternal, 1);
SendOnValueChangedAndUpdateLabel();
}
}
}
#if TMP_DEBUG_MODE
Debug.Log("Caret Position: " + caretPositionInternal + " Selection Position: " + caretSelectPositionInternal + " String Position: " + stringPositionInternal + " String Select Position: " + stringSelectPositionInternal);
#endif
}
/// <summary>
/// Handling of Backspace key
/// </summary>
private void Backspace()
{
if (m_ReadOnly)
return;
if (hasSelection)
{
Delete();
SendOnValueChangedAndUpdateLabel();
}
else
{
if (m_isRichTextEditingAllowed)
{
if (stringPositionInternal > 0)
{
m_Text = text.Remove(stringPositionInternal - 1, 1);
stringSelectPositionInternal = stringPositionInternal = stringPositionInternal - 1;
m_isLastKeyBackspace = true;
SendOnValueChangedAndUpdateLabel();
}
}
else
{
if (caretPositionInternal > 0)
{
m_Text = text.Remove(GetStringIndexFromCaretPosition(caretPositionInternal - 1), 1);
caretSelectPositionInternal = caretPositionInternal = caretPositionInternal - 1;
stringSelectPositionInternal = stringPositionInternal = GetStringIndexFromCaretPosition(caretPositionInternal);
}
m_isLastKeyBackspace = true;
SendOnValueChangedAndUpdateLabel();
}
}
#if TMP_DEBUG_MODE
Debug.Log("Caret Position: " + caretPositionInternal + " Selection Position: " + caretSelectPositionInternal + " String Position: " + stringPositionInternal + " String Select Position: " + stringSelectPositionInternal);
#endif
}
/// <summary>
/// Append the specified text to the end of the current.
/// </summary>
protected virtual void Append(string input)
{
if (m_ReadOnly)
return;
if (!InPlaceEditing())
return;
for (int i = 0, imax = input.Length; i < imax; ++i)
{
char c = input[i];
if (c >= ' ' || c == '\t' || c == '\r' || c == 10 || c == '\n')
{
Append(c);
}
}
}
protected virtual void Append(char input)
{
if (m_ReadOnly)
return;
if (!InPlaceEditing())
return;
// If we have an input validator, validate the input first
if (onValidateInput != null)
input = onValidateInput(text, stringPositionInternal, input);
else if (characterValidation == CharacterValidation.CustomValidator)
{
input = Validate(text, stringPositionInternal, input);
if (input == 0) return;
SendOnValueChanged();
UpdateLabel();
return;
}
else if (characterValidation != CharacterValidation.None)
input = Validate(text, stringPositionInternal, input);
// If the input is invalid, skip it
if (input == 0)
return;
// Append the character and update the label
Insert(input);
}
// Insert the character and update the label.
private void Insert(char c)
{
if (m_ReadOnly)
return;
string replaceString = c.ToString();
Delete();
// Can't go past the character limit
if (characterLimit > 0 && text.Length >= characterLimit)
return;
m_Text = text.Insert(m_StringPosition, replaceString);
stringSelectPositionInternal = stringPositionInternal += replaceString.Length;
SendOnValueChanged();
#if TMP_DEBUG_MODE
Debug.Log("Caret Position: " + caretPositionInternal + " Selection Position: " + caretSelectPositionInternal + " String Position: " + stringPositionInternal + " String Select Position: " + stringSelectPositionInternal);
#endif
}
private void SendOnValueChangedAndUpdateLabel()
{
SendOnValueChanged();
UpdateLabel();
}
private void SendOnValueChanged()
{
if (onValueChanged != null)
onValueChanged.Invoke(text);
}
/// <summary>
/// Submit the input field's text.
/// </summary>
protected void SendOnEndEdit()
{
if (onEndEdit != null)
onEndEdit.Invoke(m_Text);
}
protected void SendOnSubmit()
{
if (onSubmit != null)
onSubmit.Invoke(m_Text);
}
protected void SendOnFocus()
{
if (onSelect != null)
onSelect.Invoke(m_Text);
}
protected void SendOnFocusLost()
{
if (onDeselect != null)
onDeselect.Invoke(m_Text);
}
protected void SendOnTextSelection()
{
m_isSelected = true;
if (onTextSelection != null)
onTextSelection.Invoke(m_Text, stringPositionInternal, stringSelectPositionInternal);
}
protected void SendOnEndTextSelection()
{
if (!m_isSelected) return;
if (onEndTextSelection != null)
onEndTextSelection.Invoke(m_Text, stringPositionInternal, stringSelectPositionInternal);
m_isSelected = false;
}
/// <summary>
/// Update the visual text Text.
/// </summary>
protected void UpdateLabel()
{
if (m_TextComponent != null && m_TextComponent.font != null)
{
// TextGenerator.Populate invokes a callback that's called for anything
// that needs to be updated when the data for that font has changed.
// This makes all Text components that use that font update their vertices.
// In turn, this makes the InputField that's associated with that Text component
// update its label by calling this UpdateLabel method.
// This is a recursive call we want to prevent, since it makes the InputField
// update based on font data that didn't yet finish executing, or alternatively
// hang on infinite recursion, depending on whether the cached value is cached
// before or after the calculation.
//
// This callback also occurs when assigning text to our Text component, i.e.,
// m_TextComponent.text = processed;
//m_PreventFontCallback = true;
string fullText;
if (Input.compositionString.Length > 0)
fullText = text.Substring(0, m_StringPosition) + Input.compositionString + text.Substring(m_StringPosition);
else
fullText = text;
string processed;
if (inputType == InputType.Password)
processed = new string(asteriskChar, fullText.Length);
else
processed = fullText;
bool isEmpty = string.IsNullOrEmpty(fullText);
if (m_Placeholder != null)
m_Placeholder.enabled = isEmpty; // && !isFocused;
// If not currently editing the text, set the visible range to the whole text.
// The UpdateLabel method will then truncate it to the part that fits inside the Text area.
// We can't do this when text is being edited since it would discard the current scroll,
// which is defined by means of the m_DrawStart and m_DrawEnd indices.
if (!isEmpty)
{
// // Determine what will actually fit into the given line
// Vector2 extents = m_TextComponent.rectTransform.rect.size;
// var settings = m_TextComponent.GetGenerationSettings(extents);
// settings.generateOutOfBounds = true;
// cachedInputTextGenerator.Populate(processed, settings);
// SetDrawRangeToContainCaretPosition(stringSelectPositionInternal - 1);
// processed = processed.Substring(m_DrawStart, Mathf.Min(m_DrawEnd, processed.Length) - m_DrawStart);
SetCaretVisible();
}
m_TextComponent.text = processed + "\u200B"; // Extra space is added for Caret tracking.
MarkGeometryAsDirty();
// Scrollbar should be updated.
m_IsScrollbarUpdateRequired = true;
//m_PreventFontCallback = false;
}
}
//private bool IsSelectionVisible()
//{
// if (m_DrawStart > stringPositionInternal || m_DrawStart > stringSelectPositionInternal)
// return false;
// if (m_DrawEnd < stringPositionInternal || m_DrawEnd < stringSelectPositionInternal)
// return false;
// return true;
//}
void UpdateScrollbar()
{
// Update Scrollbar
if (m_VerticalScrollbar)
{
float size = m_TextViewport.rect.height / m_TextComponent.preferredHeight;
m_IsUpdatingScrollbarValues = true;
m_VerticalScrollbar.size = size;
m_ScrollPosition = m_VerticalScrollbar.value = m_TextComponent.rectTransform.anchoredPosition.y / (m_TextComponent.preferredHeight - m_TextViewport.rect.height);
//m_VerticalScrollbar.numberOfSteps = (int)(m_TextComponent.textInfo.lineCount / 0.25f); // Replace by scroll sensitivity.
//Debug.Log("Updating Scrollbar... Value: " + m_VerticalScrollbar.value);
}
}
/// <summary>
/// Function to update the vertical position of the text container when OnValueChanged event is received from the Scrollbar.
/// </summary>
/// <param name="value"></param>
void OnScrollbarValueChange(float value)
{
if (m_IsUpdatingScrollbarValues) { m_IsUpdatingScrollbarValues = false; return; }
if (value < 0 || value > 1) return;
AdjustTextPositionRelativeToViewport(value);
m_ScrollPosition = value;
//Debug.Log("Scrollbar value is: " + value + " Transform POS: " + m_TextComponent.rectTransform.anchoredPosition);
}
/// <summary>
/// Adjusts the relative position of the body of the text relative to the viewport.
/// </summary>
/// <param name="relativePosition"></param>
void AdjustTextPositionRelativeToViewport (float relativePosition)
{
//Debug.Log("- Adjusting vertical text position to " + relativePosition);
TMP_TextInfo textInfo = m_TextComponent.textInfo;
// Check to make sure we have valid data and lines to query.
if (textInfo == null || textInfo.lineInfo == null || textInfo.lineCount == 0 || textInfo.lineCount > textInfo.lineInfo.Length) return;
//m_TextComponent.rectTransform.anchoredPosition = new Vector2(m_TextComponent.rectTransform.anchoredPosition.x, (textHeight - viewportHeight) * relativePosition);
m_TextComponent.rectTransform.anchoredPosition = new Vector2(m_TextComponent.rectTransform.anchoredPosition.x, (m_TextComponent.preferredHeight - m_TextViewport.rect.height) * relativePosition);
AssignPositioningIfNeeded();
//Debug.Log("Text height: " + m_TextComponent.preferredHeight + " Viewport height: " + m_TextViewport.rect.height + " Adjusted RectTransform anchordedPosition:" + m_TextComponent.rectTransform.anchoredPosition + " Text Bounds: " + m_TextComponent.bounds.ToString("f3"));
}
private int GetCaretPositionFromStringIndex(int stringIndex)
{
int count = m_TextComponent.textInfo.characterCount;
for (int i = 0; i < count; i++)
{
if (m_TextComponent.textInfo.characterInfo[i].index >= stringIndex)
return i;
}
return count;
}
private int GetStringIndexFromCaretPosition(int caretPosition)
{
// Clamp values between 0 and character count.
ClampCaretPos(ref caretPosition);
return m_TextComponent.textInfo.characterInfo[caretPosition].index;
}
public void ForceLabelUpdate()
{
UpdateLabel();
}
private void MarkGeometryAsDirty()
{
#if UNITY_EDITOR
#if UNITY_2018_3_OR_NEWER
if (!Application.isPlaying || UnityEditor.PrefabUtility.IsPartOfPrefabAsset(this))
return;
#else
if (!Application.isPlaying || UnityEditor.PrefabUtility.GetPrefabObject(gameObject) != null)
return;
#endif
#endif
CanvasUpdateRegistry.RegisterCanvasElementForGraphicRebuild(this);
}
public virtual void Rebuild(CanvasUpdate update)
{
switch (update)
{
case CanvasUpdate.LatePreRender:
UpdateGeometry();
break;
}
}
public virtual void LayoutComplete()
{ }
public virtual void GraphicUpdateComplete()
{ }
private void UpdateGeometry()
{
#if UNITY_EDITOR
if (!Application.isPlaying)
return;
#endif
// No need to draw a cursor on mobile as its handled by the devices keyboard.
if (!shouldHideMobileInput)
return;
//if (m_CachedInputRenderer == null && m_TextComponent != null)
//{
// GameObject go = new GameObject(transform.name + " Input Caret");
// // Add MaskableGraphic Component
// go.AddComponent<TMP_SelectionCaret>();
// go.hideFlags = HideFlags.DontSave;
// go.transform.SetParent(m_TextComponent.transform.parent);
// go.transform.SetAsFirstSibling();
// go.layer = gameObject.layer;
// caretRectTrans = go.GetComponent<RectTransform>(); // go.AddComponent<RectTransform>();
// m_CachedInputRenderer = go.GetComponent<CanvasRenderer>(); // go.AddComponent<CanvasRenderer>();
// m_CachedInputRenderer.SetMaterial(Graphic.defaultGraphicMaterial, Texture2D.whiteTexture);
// // Needed as if any layout is present we want the caret to always be the same as the text area.
// go.AddComponent<LayoutElement>().ignoreLayout = true;
// AssignPositioningIfNeeded();
//}
if (m_CachedInputRenderer == null)
return;
OnFillVBO(mesh);
m_CachedInputRenderer.SetMesh(mesh);
}
/// <summary>
/// Method to keep the Caret RectTransform properties in sync with the text object's RectTransform
/// </summary>
private void AssignPositioningIfNeeded()
{
if (m_TextComponent != null && caretRectTrans != null &&
(caretRectTrans.localPosition != m_TextComponent.rectTransform.localPosition ||
caretRectTrans.localRotation != m_TextComponent.rectTransform.localRotation ||
caretRectTrans.localScale != m_TextComponent.rectTransform.localScale ||
caretRectTrans.anchorMin != m_TextComponent.rectTransform.anchorMin ||
caretRectTrans.anchorMax != m_TextComponent.rectTransform.anchorMax ||
caretRectTrans.anchoredPosition != m_TextComponent.rectTransform.anchoredPosition ||
caretRectTrans.sizeDelta != m_TextComponent.rectTransform.sizeDelta ||
caretRectTrans.pivot != m_TextComponent.rectTransform.pivot))
{
caretRectTrans.localPosition = m_TextComponent.rectTransform.localPosition;
caretRectTrans.localRotation = m_TextComponent.rectTransform.localRotation;
caretRectTrans.localScale = m_TextComponent.rectTransform.localScale;
caretRectTrans.anchorMin = m_TextComponent.rectTransform.anchorMin;
caretRectTrans.anchorMax = m_TextComponent.rectTransform.anchorMax;
caretRectTrans.anchoredPosition = m_TextComponent.rectTransform.anchoredPosition;
caretRectTrans.sizeDelta = m_TextComponent.rectTransform.sizeDelta;
caretRectTrans.pivot = m_TextComponent.rectTransform.pivot;
// Get updated world corners of viewport.
//m_TextViewport.GetLocalCorners(m_ViewportCorners);
}
}
private void OnFillVBO(Mesh vbo)
{
using (var helper = new VertexHelper())
{
if (!isFocused && m_ResetOnDeActivation)
{
helper.FillMesh(vbo);
return;
}
if (isStringPositionDirty)
{
stringPositionInternal = GetStringIndexFromCaretPosition(m_CaretPosition);
stringSelectPositionInternal = GetStringIndexFromCaretPosition(m_CaretSelectPosition);
isStringPositionDirty = false;
}
if (!hasSelection)
{
GenerateCaret(helper, Vector2.zero);
SendOnEndTextSelection();
}
else
{
GenerateHightlight(helper, Vector2.zero);
SendOnTextSelection();
}
helper.FillMesh(vbo);
}
}
private void GenerateCaret(VertexHelper vbo, Vector2 roundingOffset)
{
if (!m_CaretVisible)
return;
if (m_CursorVerts == null)
{
CreateCursorVerts();
}
float width = m_CaretWidth;
// Optimize to only update the caret position when needed.
//
//
int characterCount = m_TextComponent.textInfo.characterCount;
Vector2 startPosition = Vector2.zero;
float height = 0;
TMP_CharacterInfo currentCharacter;
// Get the position of the Caret based on position in the string.
caretPositionInternal = GetCaretPositionFromStringIndex(stringPositionInternal);
if (caretPositionInternal == 0)
{
currentCharacter = m_TextComponent.textInfo.characterInfo[0];
startPosition = new Vector2(currentCharacter.origin, currentCharacter.descender);
height = currentCharacter.ascender - currentCharacter.descender;
}
else if (caretPositionInternal < characterCount)
{
currentCharacter = m_TextComponent.textInfo.characterInfo[caretPositionInternal];
startPosition = new Vector2(currentCharacter.origin, currentCharacter.descender);
height = currentCharacter.ascender - currentCharacter.descender;
}
else
{
currentCharacter = m_TextComponent.textInfo.characterInfo[characterCount - 1];
startPosition = new Vector2(currentCharacter.xAdvance, currentCharacter.descender);
height = currentCharacter.ascender - currentCharacter.descender;
}
//Debug.Log("String Char [" + m_Text[m_StringPosition] + "] at Index:" + m_StringPosition + " Caret Char [" + currentCharacter.character + "] at Index:" + caretPositionInternal);
// Adjust the position of the RectTransform based on the caret position in the viewport (only if we have focus).
if (isFocused && startPosition != m_LastPosition || m_forceRectTransformAdjustment)
AdjustRectTransformRelativeToViewport(startPosition, height, currentCharacter.isVisible);
m_LastPosition = startPosition;
// Clamp Caret height
float top = startPosition.y + height;
float bottom = top - height; // Mathf.Min(height, m_TextComponent.rectTransform.rect.height);
m_CursorVerts[0].position = new Vector3(startPosition.x, bottom, 0.0f);
m_CursorVerts[1].position = new Vector3(startPosition.x, top, 0.0f);
m_CursorVerts[2].position = new Vector3(startPosition.x + width, top, 0.0f);
m_CursorVerts[3].position = new Vector3(startPosition.x + width, bottom, 0.0f);
// Set Vertex Color for the caret color.
m_CursorVerts[0].color = caretColor;
m_CursorVerts[1].color = caretColor;
m_CursorVerts[2].color = caretColor;
m_CursorVerts[3].color = caretColor;
vbo.AddUIVertexQuad(m_CursorVerts);
int screenHeight = Screen.height;
// Removed multiple display support until it supports none native resolutions(case 741751)
//int displayIndex = m_TextComponent.canvas.targetDisplay;
//if (Screen.fullScreen && displayIndex < Display.displays.Length)
// screenHeight = Display.displays[displayIndex].renderingHeight;
startPosition.y = screenHeight - startPosition.y;
Input.compositionCursorPos = startPosition;
//Debug.Log("Text Position: " + m_TextComponent.rectTransform.position + " Local Position: " + m_TextComponent.rectTransform.localPosition);
}
private void CreateCursorVerts()
{
m_CursorVerts = new UIVertex[4];
for (int i = 0; i < m_CursorVerts.Length; i++)
{
m_CursorVerts[i] = UIVertex.simpleVert;
m_CursorVerts[i].uv0 = Vector2.zero;
}
}
private void GenerateHightlight(VertexHelper vbo, Vector2 roundingOffset)
{
TMP_TextInfo textInfo = m_TextComponent.textInfo;
caretPositionInternal = m_CaretPosition = GetCaretPositionFromStringIndex(stringPositionInternal);
caretSelectPositionInternal = m_CaretSelectPosition = GetCaretPositionFromStringIndex(stringSelectPositionInternal);
//Debug.Log("StringPosition:" + caretPositionInternal + " StringSelectPosition:" + caretSelectPositionInternal);
// Adjust text RectTranform position to make sure it is visible in viewport.
Vector2 caretPosition;
float height = 0;
if (caretSelectPositionInternal < textInfo.characterCount)
{
caretPosition = new Vector2(textInfo.characterInfo[caretSelectPositionInternal].origin, textInfo.characterInfo[caretSelectPositionInternal].descender);
height = textInfo.characterInfo[caretSelectPositionInternal].ascender - textInfo.characterInfo[caretSelectPositionInternal].descender;
}
else
{
caretPosition = new Vector2(textInfo.characterInfo[caretSelectPositionInternal - 1].xAdvance, textInfo.characterInfo[caretSelectPositionInternal - 1].descender);
height = textInfo.characterInfo[caretSelectPositionInternal - 1].ascender - textInfo.characterInfo[caretSelectPositionInternal - 1].descender;
}
// TODO: Don't adjust the position of the RectTransform if Reset On Deactivation is disabled
// and we just selected the Input Field again.
AdjustRectTransformRelativeToViewport(caretPosition, height, true);
int startChar = Mathf.Max(0, caretPositionInternal);
int endChar = Mathf.Max(0, caretSelectPositionInternal);
// Ensure pos is always less then selPos to make the code simpler
if (startChar > endChar)
{
int temp = startChar;
startChar = endChar;
endChar = temp;
}
endChar -= 1;
//Debug.Log("Updating Highlight... Caret Position: " + startChar + " Caret Select POS: " + endChar);
int currentLineIndex = textInfo.characterInfo[startChar].lineNumber;
int nextLineStartIdx = textInfo.lineInfo[currentLineIndex].lastCharacterIndex;
UIVertex vert = UIVertex.simpleVert;
vert.uv0 = Vector2.zero;
vert.color = selectionColor;
int currentChar = startChar;
while (currentChar <= endChar && currentChar < textInfo.characterCount)
{
if (currentChar == nextLineStartIdx || currentChar == endChar)
{
TMP_CharacterInfo startCharInfo = textInfo.characterInfo[startChar];
TMP_CharacterInfo endCharInfo = textInfo.characterInfo[currentChar];
// Extra check to handle Carriage Return
if (currentChar > 0 && endCharInfo.character == 10 && textInfo.characterInfo[currentChar - 1].character == 13)
endCharInfo = textInfo.characterInfo[currentChar - 1];
Vector2 startPosition = new Vector2(startCharInfo.origin, textInfo.lineInfo[currentLineIndex].ascender);
Vector2 endPosition = new Vector2(endCharInfo.xAdvance, textInfo.lineInfo[currentLineIndex].descender);
var startIndex = vbo.currentVertCount;
vert.position = new Vector3(startPosition.x, endPosition.y, 0.0f);
vbo.AddVert(vert);
vert.position = new Vector3(endPosition.x, endPosition.y, 0.0f);
vbo.AddVert(vert);
vert.position = new Vector3(endPosition.x, startPosition.y, 0.0f);
vbo.AddVert(vert);
vert.position = new Vector3(startPosition.x, startPosition.y, 0.0f);
vbo.AddVert(vert);
vbo.AddTriangle(startIndex, startIndex + 1, startIndex + 2);
vbo.AddTriangle(startIndex + 2, startIndex + 3, startIndex + 0);
startChar = currentChar + 1;
currentLineIndex++;
if (currentLineIndex < textInfo.lineCount)
nextLineStartIdx = textInfo.lineInfo[currentLineIndex].lastCharacterIndex;
}
currentChar++;
}
// Scrollbar should be updated.
m_IsScrollbarUpdateRequired = true;
}
/// <summary>
///
/// </summary>
/// <param name="startPosition"></param>
/// <param name="height"></param>
/// <param name="isCharVisible"></param>
private void AdjustRectTransformRelativeToViewport(Vector2 startPosition, float height, bool isCharVisible)
{
//Debug.Log("Adjusting transform position relative to viewport.");
float viewportMin = m_TextViewport.rect.xMin;
float viewportMax = m_TextViewport.rect.xMax;
//Debug.Log("Viewport Rect: " + viewportMax + " Start Position: " + startPosition);
// Adjust the position of the RectTransform based on the caret position in the viewport.
float rightOffset = viewportMax - (m_TextComponent.rectTransform.anchoredPosition.x + startPosition.x + m_TextComponent.margin.z + m_CaretWidth);
if (rightOffset < 0f)
{
if (!multiLine || (multiLine && isCharVisible))
{
//Debug.Log("Shifting text to the right by " + rightOffset.ToString("f3"));
m_TextComponent.rectTransform.anchoredPosition += new Vector2(rightOffset, 0);
AssignPositioningIfNeeded();
}
}
float leftOffset = (m_TextComponent.rectTransform.anchoredPosition.x + startPosition.x - m_TextComponent.margin.x) - viewportMin;
if (leftOffset < 0f)
{
//Debug.Log("Shifting text to the left by " + leftOffset.ToString("f3"));
m_TextComponent.rectTransform.anchoredPosition += new Vector2(-leftOffset, 0);
AssignPositioningIfNeeded();
}
// Adjust text area up or down if not in single line mode.
if (m_LineType != LineType.SingleLine)
{
float topOffset = m_TextViewport.rect.yMax - (m_TextComponent.rectTransform.anchoredPosition.y + startPosition.y + height);
if (topOffset < -0.0001f)
{
m_TextComponent.rectTransform.anchoredPosition += new Vector2(0, topOffset);
AssignPositioningIfNeeded();
m_IsScrollbarUpdateRequired = true;
}
float bottomOffset = (m_TextComponent.rectTransform.anchoredPosition.y + startPosition.y) - m_TextViewport.rect.yMin;
if (bottomOffset < 0f)
{
m_TextComponent.rectTransform.anchoredPosition -= new Vector2(0, bottomOffset);
AssignPositioningIfNeeded();
m_IsScrollbarUpdateRequired = true;
}
}
// Special handling of backspace
if (m_isLastKeyBackspace)
{
float firstCharPosition = m_TextComponent.rectTransform.anchoredPosition.x + m_TextComponent.textInfo.characterInfo[0].origin - m_TextComponent.margin.x;
float lastCharPosition = m_TextComponent.rectTransform.anchoredPosition.x + m_TextComponent.textInfo.characterInfo[m_TextComponent.textInfo.characterCount - 1].origin + m_TextComponent.margin.z;
// Check if caret is at the left most position of the viewport
if (m_TextComponent.rectTransform.anchoredPosition.x + startPosition.x <= viewportMin + 0.0001f)
{
if (firstCharPosition < viewportMin)
{
float offset = Mathf.Min((viewportMax - viewportMin) / 2, viewportMin - firstCharPosition);
m_TextComponent.rectTransform.anchoredPosition += new Vector2(offset, 0);
AssignPositioningIfNeeded();
}
}
else if (lastCharPosition < viewportMax && firstCharPosition < viewportMin)
{
float offset = Mathf.Min(viewportMax - lastCharPosition, viewportMin - firstCharPosition);
m_TextComponent.rectTransform.anchoredPosition += new Vector2(offset, 0);
AssignPositioningIfNeeded();
}
m_isLastKeyBackspace = false;
}
m_forceRectTransformAdjustment = false;
}
/// <summary>
/// Validate the specified input.
/// </summary>
protected char Validate(string text, int pos, char ch)
{
// Validation is disabled
if (characterValidation == CharacterValidation.None || !enabled)
return ch;
if (characterValidation == CharacterValidation.Integer || characterValidation == CharacterValidation.Decimal)
{
// Integer and decimal
bool cursorBeforeDash = (pos == 0 && text.Length > 0 && text[0] == '-');
bool selectionAtStart = stringPositionInternal == 0 || stringSelectPositionInternal == 0;
if (!cursorBeforeDash)
{
if (ch >= '0' && ch <= '9') return ch;
if (ch == '-' && (pos == 0 || selectionAtStart)) return ch;
if (ch == '.' && characterValidation == CharacterValidation.Decimal && !text.Contains(".")) return ch;
}
}
else if (characterValidation == CharacterValidation.Digit)
{
if (ch >= '0' && ch <= '9') return ch;
}
else if (characterValidation == CharacterValidation.Alphanumeric)
{
// All alphanumeric characters
if (ch >= 'A' && ch <= 'Z') return ch;
if (ch >= 'a' && ch <= 'z') return ch;
if (ch >= '0' && ch <= '9') return ch;
}
else if (characterValidation == CharacterValidation.Name)
{
char lastChar = (text.Length > 0) ? text[Mathf.Clamp(pos, 0, text.Length - 1)] : ' ';
char nextChar = (text.Length > 0) ? text[Mathf.Clamp(pos + 1, 0, text.Length - 1)] : '\n';
if (char.IsLetter(ch))
{
// Space followed by a letter -- make sure it's capitalized
if (char.IsLower(ch) && lastChar == ' ')
return char.ToUpper(ch);
// Uppercase letters are only allowed after spaces (and apostrophes)
if (char.IsUpper(ch) && lastChar != ' ' && lastChar != '\'')
return char.ToLower(ch);
// If character was already in correct case, return it as-is.
// Also, letters that are neither upper nor lower case are always allowed.
return ch;
}
else if (ch == '\'')
{
// Don't allow more than one apostrophe
if (lastChar != ' ' && lastChar != '\'' && nextChar != '\'' && !text.Contains("'"))
return ch;
}
else if (ch == ' ')
{
// Don't allow more than one space in a row
if (lastChar != ' ' && lastChar != '\'' && nextChar != ' ' && nextChar != '\'')
return ch;
}
}
else if (characterValidation == CharacterValidation.EmailAddress)
{
// From StackOverflow about allowed characters in email addresses:
// Uppercase and lowercase English letters (a-z, A-Z)
// Digits 0 to 9
// Characters ! # $ % & ' * + - / = ? ^ _ ` { | } ~
// Character . (dot, period, full stop) provided that it is not the first or last character,
// and provided also that it does not appear two or more times consecutively.
if (ch >= 'A' && ch <= 'Z') return ch;
if (ch >= 'a' && ch <= 'z') return ch;
if (ch >= '0' && ch <= '9') return ch;
if (ch == '@' && text.IndexOf('@') == -1) return ch;
if (kEmailSpecialCharacters.IndexOf(ch) != -1) return ch;
if (ch == '.')
{
char lastChar = (text.Length > 0) ? text[Mathf.Clamp(pos, 0, text.Length - 1)] : ' ';
char nextChar = (text.Length > 0) ? text[Mathf.Clamp(pos + 1, 0, text.Length - 1)] : '\n';
if (lastChar != '.' && nextChar != '.')
return ch;
}
}
else if (characterValidation == CharacterValidation.Regex)
{
// Regex expression
if (Regex.IsMatch(ch.ToString(), m_RegexValue))
{
return ch;
}
}
else if (characterValidation == CharacterValidation.CustomValidator)
{
if (m_InputValidator != null)
{
char c = m_InputValidator.Validate(ref text, ref pos, ch);
m_Text = text;
stringSelectPositionInternal = stringPositionInternal = pos;
return c;
}
}
return (char)0;
}
public void ActivateInputField()
{
if (m_TextComponent == null || m_TextComponent.font == null || !IsActive() || !IsInteractable())
return;
if (isFocused)
{
if (m_Keyboard != null && !m_Keyboard.active)
{
m_Keyboard.active = true;
m_Keyboard.text = m_Text;
}
}
m_ShouldActivateNextUpdate = true;
}
private void ActivateInputFieldInternal()
{
if (EventSystem.current == null)
return;
if (EventSystem.current.currentSelectedGameObject != gameObject)
EventSystem.current.SetSelectedGameObject(gameObject);
if (TouchScreenKeyboard.isSupported)
{
if (Input.touchSupported)
{
TouchScreenKeyboard.hideInput = shouldHideMobileInput;
}
m_Keyboard = (inputType == InputType.Password) ?
TouchScreenKeyboard.Open(m_Text, keyboardType, false, multiLine, true) :
TouchScreenKeyboard.Open(m_Text, keyboardType, inputType == InputType.AutoCorrect, multiLine);
// Mimics OnFocus but as mobile doesn't properly support select all
// just set it to the end of the text (where it would move when typing starts)
MoveTextEnd(false);
}
else
{
Input.imeCompositionMode = IMECompositionMode.On;
OnFocus();
}
//m_StringPosition = m_StringSelectPosition = 0;
//m_CaretPosition = m_CaretSelectPosition = 0;
m_AllowInput = true;
m_OriginalText = text;
m_WasCanceled = false;
SetCaretVisible();
UpdateLabel();
}
public override void OnSelect(BaseEventData eventData)
{
//Debug.Log("OnSelect()");
base.OnSelect(eventData);
SendOnFocus();
ActivateInputField();
}
public virtual void OnPointerClick(PointerEventData eventData)
{
if (eventData.button != PointerEventData.InputButton.Left)
return;
ActivateInputField();
}
public void OnControlClick()
{
//Debug.Log("Input Field control click...");
}
public void DeactivateInputField()
{
//Debug.Log("Deactivate Input Field...");
// Not activated do nothing.
if (!m_AllowInput)
return;
m_HasDoneFocusTransition = false;
m_AllowInput = false;
if (m_Placeholder != null)
m_Placeholder.enabled = string.IsNullOrEmpty(m_Text);
if (m_TextComponent != null && IsInteractable())
{
if (m_WasCanceled && m_RestoreOriginalTextOnEscape)
text = m_OriginalText;
if (m_Keyboard != null)
{
m_Keyboard.active = false;
m_Keyboard = null;
}
if (m_ResetOnDeActivation)
{
m_StringPosition = m_StringSelectPosition = 0;
m_CaretPosition = m_CaretSelectPosition = 0;
m_TextComponent.rectTransform.localPosition = m_DefaultTransformPosition;
if (caretRectTrans != null)
caretRectTrans.localPosition = Vector3.zero;
//m_ForceDeactivation = false;
}
SendOnEndEdit();
SendOnEndTextSelection();
Input.imeCompositionMode = IMECompositionMode.Auto;
}
MarkGeometryAsDirty();
// Scrollbar should be updated.
m_IsScrollbarUpdateRequired = true;
}
public override void OnDeselect(BaseEventData eventData)
{
//return;
DeactivateInputField();
base.OnDeselect(eventData);
SendOnFocusLost();
}
public virtual void OnSubmit(BaseEventData eventData)
{
//Debug.Log("OnSubmit()");
if (!IsActive() || !IsInteractable())
return;
if (!isFocused)
m_ShouldActivateNextUpdate = true;
SendOnSubmit();
}
//public virtual void OnLostFocus(BaseEventData eventData)
//{
// if (!IsActive() || !IsInteractable())
// return;
//}
private void EnforceContentType()
{
switch (contentType)
{
case ContentType.Standard:
{
// Don't enforce line type for this content type.
m_InputType = InputType.Standard;
m_KeyboardType = TouchScreenKeyboardType.Default;
m_CharacterValidation = CharacterValidation.None;
return;
}
case ContentType.Autocorrected:
{
// Don't enforce line type for this content type.
m_InputType = InputType.AutoCorrect;
m_KeyboardType = TouchScreenKeyboardType.Default;
m_CharacterValidation = CharacterValidation.None;
return;
}
case ContentType.IntegerNumber:
{
m_LineType = LineType.SingleLine;
m_TextComponent.enableWordWrapping = false;
m_InputType = InputType.Standard;
m_KeyboardType = TouchScreenKeyboardType.NumberPad;
m_CharacterValidation = CharacterValidation.Integer;
return;
}
case ContentType.DecimalNumber:
{
m_LineType = LineType.SingleLine;
m_TextComponent.enableWordWrapping = false;
m_InputType = InputType.Standard;
m_KeyboardType = TouchScreenKeyboardType.NumbersAndPunctuation;
m_CharacterValidation = CharacterValidation.Decimal;
return;
}
case ContentType.Alphanumeric:
{
m_LineType = LineType.SingleLine;
m_TextComponent.enableWordWrapping = false;
m_InputType = InputType.Standard;
m_KeyboardType = TouchScreenKeyboardType.ASCIICapable;
m_CharacterValidation = CharacterValidation.Alphanumeric;
return;
}
case ContentType.Name:
{
m_LineType = LineType.SingleLine;
m_TextComponent.enableWordWrapping = false;
m_InputType = InputType.Standard;
m_KeyboardType = TouchScreenKeyboardType.Default;
m_CharacterValidation = CharacterValidation.Name;
return;
}
case ContentType.EmailAddress:
{
m_LineType = LineType.SingleLine;
m_TextComponent.enableWordWrapping = false;
m_InputType = InputType.Standard;
m_KeyboardType = TouchScreenKeyboardType.EmailAddress;
m_CharacterValidation = CharacterValidation.EmailAddress;
return;
}
case ContentType.Password:
{
m_LineType = LineType.SingleLine;
m_TextComponent.enableWordWrapping = false;
m_InputType = InputType.Password;
m_KeyboardType = TouchScreenKeyboardType.Default;
m_CharacterValidation = CharacterValidation.None;
return;
}
case ContentType.Pin:
{
m_LineType = LineType.SingleLine;
m_TextComponent.enableWordWrapping = false;
m_InputType = InputType.Password;
m_KeyboardType = TouchScreenKeyboardType.NumberPad;
m_CharacterValidation = CharacterValidation.Digit;
return;
}
default:
{
// Includes Custom type. Nothing should be enforced.
return;
}
}
}
void SetTextComponentWrapMode()
{
if (m_TextComponent == null)
return;
if (m_LineType == LineType.SingleLine)
m_TextComponent.enableWordWrapping = false;
else
m_TextComponent.enableWordWrapping = true;
}
// Control Rich Text option on the text component.
void SetTextComponentRichTextMode()
{
if (m_TextComponent == null)
return;
m_TextComponent.richText = m_RichText;
}
void SetToCustomIfContentTypeIsNot(params ContentType[] allowedContentTypes)
{
if (contentType == ContentType.Custom)
return;
for (int i = 0; i < allowedContentTypes.Length; i++)
if (contentType == allowedContentTypes[i])
return;
contentType = ContentType.Custom;
}
void SetToCustom()
{
if (contentType == ContentType.Custom)
return;
contentType = ContentType.Custom;
}
void SetToCustom(CharacterValidation characterValidation)
{
if (contentType == ContentType.Custom)
{
characterValidation = CharacterValidation.CustomValidator;
return;
}
contentType = ContentType.Custom;
characterValidation = CharacterValidation.CustomValidator;
}
protected override void DoStateTransition(SelectionState state, bool instant)
{
if (m_HasDoneFocusTransition)
state = SelectionState.Highlighted;
else if (state == SelectionState.Pressed)
m_HasDoneFocusTransition = true;
base.DoStateTransition(state, instant);
}
/// <summary>
/// Function to conveniently set the point size of both Placeholder and Input Field text object.
/// </summary>
/// <param name="pointSize"></param>
public void SetGlobalPointSize(float pointSize)
{
TMP_Text placeholderTextComponent = m_Placeholder as TMP_Text;
if (placeholderTextComponent != null) placeholderTextComponent.fontSize = pointSize;
textComponent.fontSize = pointSize;
}
/// <summary>
/// Function to conveniently set the Font Asset of both Placeholder and Input Field text object.
/// </summary>
/// <param name="fontAsset"></param>
public void SetGlobalFontAsset(TMP_FontAsset fontAsset)
{
TMP_Text placeholderTextComponent = m_Placeholder as TMP_Text;
if (placeholderTextComponent != null) placeholderTextComponent.font = fontAsset;
textComponent.font = fontAsset;
}
}
static class SetPropertyUtility
{
public static bool SetColor(ref Color currentValue, Color newValue)
{
if (currentValue.r == newValue.r && currentValue.g == newValue.g && currentValue.b == newValue.b && currentValue.a == newValue.a)
return false;
currentValue = newValue;
return true;
}
public static bool SetEquatableStruct<T>(ref T currentValue, T newValue) where T : IEquatable<T>
{
if (currentValue.Equals(newValue))
return false;
currentValue = newValue;
return true;
}
public static bool SetStruct<T>(ref T currentValue, T newValue) where T : struct
{
if (currentValue.Equals(newValue))
return false;
currentValue = newValue;
return true;
}
public static bool SetClass<T>(ref T currentValue, T newValue) where T : class
{
if ((currentValue == null && newValue == null) || (currentValue != null && currentValue.Equals(newValue)))
return false;
currentValue = newValue;
return true;
}
}
}