LineEdit

public LineEdit();

Creates an empty editable field: MaxLength = 0, caret 0, selection enabled, Secret disabled.

public HorizontalAlignment Alignment { get; set; }

Horizontal alignment, default Left. Left/Right account for layout direction; Fill justifies through shaping rather than wrapping. Does not set CaretColumn.

public bool BackspaceDeletesCompositeCharacterEnabled { get; set; }

Delete a whole composite character before the caret when CaretMidGrapheme = false; default false removes one codepoint. Also affects DeleteCharAtCaret.

public bool CaretBlink { get; set; }

Caret blinking, default false. Enabling uses internal frame processing; visibility still depends on editing, focus or CaretForceDisplayed.

public float CaretBlinkInterval { get; set; }

Caret visibility-toggle interval in seconds, default 0.65. Supply a positive finite value; nonpositive values are rejected. Takes effect with CaretBlink = true.

public int CaretColumn { get; set; }

Caret position in Unicode codepoints rather than UTF-16 index; default 0. Setter clamps to 0…text length and adjusts scrolling to show the caret when in the tree.

public bool CaretForceDisplayed { get; set; }

Show the caret outside normal editing/focus conditions, default false. Does not start editing or enable Editable. Forced display does not apply to an element belonging to the edited scene.

public bool CaretMidGrapheme { get; set; }

Allows caret movement within composite characters, default false. When true, DeleteCharAtCaret removes one codepoint even with composite deletion enabled. Direct CaretColumn assignment does not itself snap indices to grapheme boundaries.

public bool ClearButtonEnabled { get; set; }

Built-in clear button, default false. Drawn for a nonempty editable field instead of RightIcon; its space contributes to minimum size even when empty. Clearing changes text rather than submitting it.

public bool ContextMenuEnabled { get; set; }

Allows the standard context menu through user input, default true. false does not block GetMenu, direct MenuOption or code-driven text changes.

public bool DeselectOnFocusLossEnabled { get; set; }

Deselect on focus loss/end of editing, default true. Enabling also immediately deselects an already unfocused field. Drag operations have separate selection-retention conditions.

public bool DragAndDropSelectionEnabled { get; set; }

Allows dragging selected text, default true. Separate from SelectingEnabled; does not block programmatic Select or Text writes.

public bool DrawControlChars { get; set; }

Visualize control characters during shaping, default false. Does not add control characters to Text or change validation rules.

public bool Editable { get; set; }

Allows user editing, default true. false does not block programmatic text operations; disabling it during active editing ends editing.

public bool EmojiMenuEnabled { get; set; }

Allows the system emoji/symbol picker item in the standard menu, default true. Requires platform support; false does not prohibit emoji input or programmatic insertion.

public bool ExpandToTextLength { get; set; }

Raises minimum width to shaped-text width plus caret space, default false. Can expand the parent container; leave false for a bounded-width field.

public bool Flat { get; set; }

Skip the normal/read_only background, default false. The separate focus style still draws; style margins and minimum size remain.

public LineEdit.ExpandMode IconExpandMode { get; set; }

Sizing for RightIcon and clear icon: OriginalSize uses source dimensions; FitToText uses a square at font height; FitToLineEdit fits field height with a width bound and applies RightIconScale. Default OriginalSize. FitToText does not preserve a nonsquare image’s aspect ratio.

public bool KeepEditingOnTextSubmit { get; set; }

Continue editing after ui_text_submit, default false. Does not suppress TextSubmitted or validate the value.

public string Language { get; set; }

Shaping language; default empty uses the control locale. Does not translate Text or switch application locale; supply a language code for correct script shaping.

public int MaxLength { get; set; }

Maximum Unicode codepoints; 0 means unlimited. Requires a value ≥ 0. Setter reapplies current text, can truncate its tail and resets caret/selection; does not emit TextChanged.

public bool MiddleMousePasteEnabled { get; set; }

Allows middle-button primary-selection paste on supported platforms, default true. Separate from regular clipboard paste; false does not block programmatic insertion.

public string PlaceholderText { get; set; }

Separate hint for an empty field, initially empty. Not part of Text or the entered value; display uses its translated form.

public Texture2D RightIcon { get; set; }

Shared right-side Texture2D, default null. Placement mirrors for RTL. Built-in clear button takes priority while visible. Assigned-texture changes refresh minimum size; the resource is not copied.

public float RightIconScale { get; set; }

Icon-size multiplier only for IconExpandMode = FitToLineEdit, default 1. Other modes ignore it. Setter does not clamp the range: use a positive finite value, typically 0.1–1.

public bool Secret { get; set; }

Masks display, default false. Text and GetSelectedText retain original characters; this is not encryption or secure password storage.

public string SecretCharacter { get; set; }

Mask character, default •. Supply one Unicode codepoint: longer strings warn and are truncated. An empty value draws the default • without clearing Text.

public bool SelectAllOnFocus { get; set; }

Select all text when editing starts, default false. With the left mouse button held, selection waits until release. Does not override SelectingEnabled = false.

public bool SelectingEnabled { get; set; }

Allows selection, default true. Disabling clears selection; Select and SelectAll do nothing while false.

public bool ShortcutKeysEnabled { get; set; }

Allows built-in editing shortcuts, default true. Does not disable normal typing and every navigation action, direct MenuOption or programmatic Text writes.

public TextServer.StructuredTextParser StructuredTextBidiOverride { get; set; }

BiDi parsing rule for structured text, default Default. Uri/File/Email/List preserve meaningful parts of mixed-direction strings; Custom uses the Control callback. Does not change original Text.

public Reckfell.Collections.Array StructuredTextBidiOverrideOptions { get; set; }

Shared Array of BiDi-parser options. Getter and setter share the container; mutating an alias does not trigger shaping. Copy before editing and assign through the setter to refresh.

public string Text { get; set; }

Raw field value, initially empty. Setter replaces text subject to MaxLength, clears selection/previous history and resets caret/scroll to the start. Does not emit TextChanged; overflow can emit TextChangeRejected.

public Control.TextDirection TextDirection { get; set; }

Text shaping direction, default Auto. Inherited uses layout direction; Ltr/Rtl explicitly set direction. Does not reverse stored text or replace LayoutDirection.

public bool VirtualKeyboardEnabled { get; set; }

Allows virtual-keyboard requests on supported platforms, default true. Does not create an on-screen keyboard or disable hardware input when false.

public bool VirtualKeyboardShowOnFocus { get; set; }

Request the virtual keyboard on focus, default true. Requires VirtualKeyboardEnabled and platform support. Explicit Edit can request it even when false.

public LineEdit.VirtualKeyboardTypeEnum VirtualKeyboardType { get; set; }

Keyboard-type hint to the platform, default Default. Number/EmailAddress and other values do not filter Text or replace input validation.

public void ApplyIme();

Commits current composition through InsertTextAtCaret and closes the IME window. Respects MaxLength but does not itself emit TextChanged or replace selection as an input operation would. Without composition, only closes the IME window where supported.

public void CancelIme();

Discards unfinished IME composition and closes the IME window without inserting it into Text. Does not remove already committed text and is not Undo.

public void Clear();

Clears text, selection and history, resets caret/scroll. Emits TextChanged immediately only when previous text was nonempty. Also works with Editable = false.

public void DeleteCharAtCaret();

Deletes before the caret and emits TextChanged immediately. Defaults to one codepoint; with BackspaceDeletesCompositeCharacterEnabled = true and CaretMidGrapheme = false deletes the previous composite character. Does nothing at the start or in an empty field. This is not selection deletion.

public void DeleteText(int fromColumn, int toColumn);

Deletes [fromColumn, toColumn) in codepoints; requires 0 ≤ fromColumn ≤ toColumn ≤ length. Text/caret change immediately; TextChanged is scheduled deferred in the tree, coalescing deletions before delivery. Does not automatically clear selection; manage it separately.

public void Deselect();

Clears selection and resets its bounds without changing text or caret position.

public void Edit();

Starts editing in the tree, requesting focus first if needed. Requires Editable. hideFocus hides the requested focus indication rather than input itself. With existing focus, direct Edit changes state without EditingToggled; acquiring focus can emit through FocusEnter. Explicit Edit requests the virtual keyboard independently of VirtualKeyboardShowOnFocus, subject to VirtualKeyboardEnabled and platform support.

public void Edit(bool hideFocus = false);

Starts editing in the tree, requesting focus first if needed. Requires Editable. hideFocus hides the requested focus indication rather than input itself. With existing focus, direct Edit changes state without EditingToggled; acquiring focus can emit through FocusEnter. Explicit Edit requests the virtual keyboard independently of VirtualKeyboardShowOnFocus, subject to VirtualKeyboardEnabled and platform support.

public float GetCaretBlinkInterval();

Caret visibility-toggle interval in seconds, default 0.65. Supply a positive finite value; nonpositive values are rejected. Takes effect with CaretBlink = true.

public int GetCaretColumn();

Caret position in Unicode codepoints rather than UTF-16 index; default 0. Setter clamps to 0…text length and adjusts scrolling to show the caret when in the tree.

public bool GetDrawControlChars();

Visualize control characters during shaping, default false. Does not add control characters to Text or change validation rules.

public HorizontalAlignment GetHorizontalAlignment();

Horizontal alignment, default Left. Left/Right account for layout direction; Fill justifies through shaping rather than wrapping. Does not set CaretColumn.

public LineEdit.ExpandMode GetIconExpandMode();

Sizing for RightIcon and clear icon: OriginalSize uses source dimensions; FitToText uses a square at font height; FitToLineEdit fits field height with a width bound and applies RightIconScale. Default OriginalSize. FitToText does not preserve a nonsquare image’s aspect ratio.

public string GetLanguage();

Shaping language; default empty uses the control locale. Does not translate Text or switch application locale; supply a language code for correct script shaping.

public int GetMaxLength();

Maximum Unicode codepoints; 0 means unlimited. Requires a value ≥ 0. Setter reapplies current text, can truncate its tail and resets caret/selection; does not emit TextChanged.

public PopupMenu GetMenu();

Lazily creates and returns the internal PopupMenu owned by LineEdit. Do not free or remove it. Works with ContextMenuEnabled = false and does not open it. Built-in items are refreshed before display; preserve their IDs and avoid replacing built-in command handling.

public int GetNextCompositeCharacterColumn(int column);

Returns the position after a composite character according to shaping. Requires a codepoint column in 0…length; returns the same position at the end.

public string GetPlaceholder();

Separate hint for an empty field, initially empty. Not part of Text or the entered value; display uses its translated form.

public int GetPreviousCompositeCharacterColumn(int column);

Returns the position before a composite character according to shaping. Requires a codepoint column in 0…length; returns 0 at the start.

public Texture2D GetRightIcon();

Shared right-side Texture2D, default null. Placement mirrors for RTL. Built-in clear button takes priority while visible. Assigned-texture changes refresh minimum size; the resource is not copied.

public float GetRightIconScale();

Icon-size multiplier only for IconExpandMode = FitToLineEdit, default 1. Other modes ignore it. Setter does not clamp the range: use a positive finite value, typically 0.1–1.

public float GetScrollOffset();

Returns horizontal text drawing translation in local pixels, normally ≤ 0. Not a character index or positive ScrollBar position; changes while keeping the caret visible.

public string GetSecretCharacter();

Mask character, default •. Supply one Unicode codepoint: longer strings warn and are truncated. An empty value draws the default • without clearing Text.

public string GetSelectedText();

Returns selected original Text, including in Secret mode; returns an empty string without selection.

public int GetSelectionFromColumn();

Returns selection start in codepoints. Check HasSelection first: without selection the method reports an error and returns -1.

public int GetSelectionToColumn();

Returns the exclusive selection end in codepoints. Check HasSelection first: without selection it reports an error and returns -1.

public TextServer.StructuredTextParser GetStructuredTextBidiOverride();

BiDi parsing rule for structured text, default Default. Uri/File/Email/List preserve meaningful parts of mixed-direction strings; Custom uses the Control callback. Does not change original Text.

public Reckfell.Collections.Array GetStructuredTextBidiOverrideOptions();

Shared Array of BiDi-parser options. Getter and setter share the container; mutating an alias does not trigger shaping. Copy before editing and assign through the setter to refresh.

public string GetText();

Raw field value, initially empty. Setter replaces text subject to MaxLength, clears selection/previous history and resets caret/scroll to the start. Does not emit TextChanged; overflow can emit TextChangeRejected.

public Control.TextDirection GetTextDirection();

Text shaping direction, default Auto. Inherited uses layout direction; Ltr/Rtl explicitly set direction. Does not reverse stored text or replace LayoutDirection.

public bool GetVirtualKeyboardShowOnFocus();

Request the virtual keyboard on focus, default true. Requires VirtualKeyboardEnabled and platform support. Explicit Edit can request it even when false.

public LineEdit.VirtualKeyboardTypeEnum GetVirtualKeyboardType();

Keyboard-type hint to the platform, default Default. Number/EmailAddress and other values do not filter Text or replace input validation.

public bool HasImeText();

Whether an unfinished IME composition exists. Displayed separately from committed Text; false does not mean the platform lacks IME support.

public bool HasRedo();

Whether a next state is available after undo. A new edit can discard that branch; Editable = false separately blocks executing Redo.

public bool HasSelection();

Checks for active selection. Use before reading selection endpoints.

public bool HasUndo();

Whether a previous history state is available. Does not mean undo is permitted when Editable = false. Clear rebuilds history but the previous value can remain undoable; do not treat clearing as secure erasure.

public void InsertTextAtCaret(string text);

Inserts text at the caret and advances past the accepted portion. Respects MaxLength and emits TextChangeRejected for the tail. Does not itself remove selection, check Editable or emit TextChanged.

public bool IsBackspaceDeletesCompositeCharacterEnabled();

Delete a whole composite character before the caret when CaretMidGrapheme = false; default false removes one codepoint. Also affects DeleteCharAtCaret.

public bool IsCaretBlinkEnabled();

Caret blinking, default false. Enabling uses internal frame processing; visibility still depends on editing, focus or CaretForceDisplayed.

public bool IsCaretForceDisplayed();

Show the caret outside normal editing/focus conditions, default false. Does not start editing or enable Editable. Forced display does not apply to an element belonging to the edited scene.

public bool IsCaretMidGraphemeEnabled();

Allows caret movement within composite characters, default false. When true, DeleteCharAtCaret removes one codepoint even with composite deletion enabled. Direct CaretColumn assignment does not itself snap indices to grapheme boundaries.

public bool IsClearButtonEnabled();

Built-in clear button, default false. Drawn for a nonempty editable field instead of RightIcon; its space contributes to minimum size even when empty. Clearing changes text rather than submitting it.

public bool IsContextMenuEnabled();

Allows the standard context menu through user input, default true. false does not block GetMenu, direct MenuOption or code-driven text changes.

public bool IsDeselectOnFocusLossEnabled();

Deselect on focus loss/end of editing, default true. Enabling also immediately deselects an already unfocused field. Drag operations have separate selection-retention conditions.

public bool IsDragAndDropSelectionEnabled();

Allows dragging selected text, default true. Separate from SelectingEnabled; does not block programmatic Select or Text writes.

public bool IsEditable();

Allows user editing, default true. false does not block programmatic text operations; disabling it during active editing ends editing.

public bool IsEditing();

Returns editing state, separate from Editable and HasFocus. A field can retain focus after Unedit while no longer editing.

public bool IsEditingKeptOnTextSubmit();

Continue editing after ui_text_submit, default false. Does not suppress TextSubmitted or validate the value.

public bool IsEmojiMenuEnabled();

Allows the system emoji/symbol picker item in the standard menu, default true. Requires platform support; false does not prohibit emoji input or programmatic insertion.

public bool IsExpandToTextLengthEnabled();

Raises minimum width to shaped-text width plus caret space, default false. Can expand the parent container; leave false for a bounded-width field.

public bool IsFlat();

Skip the normal/read_only background, default false. The separate focus style still draws; style margins and minimum size remain.

public bool IsMenuVisible();

Returns visibility of the created context menu; false before creation. Does not itself create the menu.

public bool IsMiddleMousePasteEnabled();

Allows middle-button primary-selection paste on supported platforms, default true. Separate from regular clipboard paste; false does not block programmatic insertion.

public bool IsSecret();

Masks display, default false. Text and GetSelectedText retain original characters; this is not encryption or secure password storage.

public bool IsSelectAllOnFocus();

Select all text when editing starts, default false. With the left mouse button held, selection waits until release. Does not override SelectingEnabled = false.

public bool IsSelectingEnabled();

Allows selection, default true. Disabling clears selection; Select and SelectAll do nothing while false.

public bool IsShortcutKeysEnabled();

Allows built-in editing shortcuts, default true. Does not disable normal typing and every navigation action, direct MenuOption or programmatic Text writes.

public bool IsVirtualKeyboardEnabled();

Allows virtual-keyboard requests on supported platforms, default true. Does not create an on-screen keyboard or disable hardware input when false.

public void MenuOption(int option);

Executes a command by numeric LineEdit.MenuItems value rather than PopupMenu item index. ContextMenuEnabled does not block this call. Clear/Cut/Paste/Undo/Redo check Editable; SelectAll checks SelectingEnabled. Clipboard/emoji commands can access the OS. Handle custom items yourself rather than passing arbitrary values to MenuOption.

public void Select(int from = 0, int to = -1);

Selects [from, to) in codepoints without moving the caret. from clamps to 0…length; negative or excessive to means end. (0, 0) deselects; normalized from ≥ to retains the previous selection. Does nothing when SelectingEnabled = false.

public void SelectAll();

Selects all nonempty text if SelectingEnabled is enabled. Does not move a nonempty field’s caret; positions it at 0 in an empty field.

public void SetBackspaceDeletesCompositeCharacterEnabled(bool enable);

Delete a whole composite character before the caret when CaretMidGrapheme = false; default false removes one codepoint. Also affects DeleteCharAtCaret.

public void SetCaretBlinkEnabled(bool enabled);

Caret blinking, default false. Enabling uses internal frame processing; visibility still depends on editing, focus or CaretForceDisplayed.

public void SetCaretBlinkInterval(float interval);

Caret visibility-toggle interval in seconds, default 0.65. Supply a positive finite value; nonpositive values are rejected. Takes effect with CaretBlink = true.

public void SetCaretColumn(int position);

Caret position in Unicode codepoints rather than UTF-16 index; default 0. Setter clamps to 0…text length and adjusts scrolling to show the caret when in the tree.

public void SetCaretForceDisplayed(bool enabled);

Show the caret outside normal editing/focus conditions, default false. Does not start editing or enable Editable. Forced display does not apply to an element belonging to the edited scene.

public void SetCaretMidGraphemeEnabled(bool enabled);

Allows caret movement within composite characters, default false. When true, DeleteCharAtCaret removes one codepoint even with composite deletion enabled. Direct CaretColumn assignment does not itself snap indices to grapheme boundaries.

public void SetClearButtonEnabled(bool enable);

Built-in clear button, default false. Drawn for a nonempty editable field instead of RightIcon; its space contributes to minimum size even when empty. Clearing changes text rather than submitting it.

public void SetContextMenuEnabled(bool enable);

Allows the standard context menu through user input, default true. false does not block GetMenu, direct MenuOption or code-driven text changes.

public void SetDeselectOnFocusLossEnabled(bool enable);

Deselect on focus loss/end of editing, default true. Enabling also immediately deselects an already unfocused field. Drag operations have separate selection-retention conditions.

public void SetDragAndDropSelectionEnabled(bool enable);

Allows dragging selected text, default true. Separate from SelectingEnabled; does not block programmatic Select or Text writes.

public void SetDrawControlChars(bool enable);

Visualize control characters during shaping, default false. Does not add control characters to Text or change validation rules.

public void SetEditable(bool enabled);

Allows user editing, default true. false does not block programmatic text operations; disabling it during active editing ends editing.

public void SetEmojiMenuEnabled(bool enable);

Allows the system emoji/symbol picker item in the standard menu, default true. Requires platform support; false does not prohibit emoji input or programmatic insertion.

public void SetExpandToTextLengthEnabled(bool enabled);

Raises minimum width to shaped-text width plus caret space, default false. Can expand the parent container; leave false for a bounded-width field.

public void SetFlat(bool enabled);

Skip the normal/read_only background, default false. The separate focus style still draws; style margins and minimum size remain.

public void SetHorizontalAlignment(HorizontalAlignment alignment);

Horizontal alignment, default Left. Left/Right account for layout direction; Fill justifies through shaping rather than wrapping. Does not set CaretColumn.

public void SetIconExpandMode(LineEdit.ExpandMode mode);

Sizing for RightIcon and clear icon: OriginalSize uses source dimensions; FitToText uses a square at font height; FitToLineEdit fits field height with a width bound and applies RightIconScale. Default OriginalSize. FitToText does not preserve a nonsquare image’s aspect ratio.

public void SetKeepEditingOnTextSubmit(bool enable);

Continue editing after ui_text_submit, default false. Does not suppress TextSubmitted or validate the value.

public void SetLanguage(string language);

Shaping language; default empty uses the control locale. Does not translate Text or switch application locale; supply a language code for correct script shaping.

public void SetMaxLength(int chars);

Maximum Unicode codepoints; 0 means unlimited. Requires a value ≥ 0. Setter reapplies current text, can truncate its tail and resets caret/selection; does not emit TextChanged.

public void SetMiddleMousePasteEnabled(bool enable);

Allows middle-button primary-selection paste on supported platforms, default true. Separate from regular clipboard paste; false does not block programmatic insertion.

public void SetPlaceholder(string text);

Separate hint for an empty field, initially empty. Not part of Text or the entered value; display uses its translated form.

public void SetRightIcon(Texture2D icon);

Shared right-side Texture2D, default null. Placement mirrors for RTL. Built-in clear button takes priority while visible. Assigned-texture changes refresh minimum size; the resource is not copied.

public void SetRightIconScale(float scale);

Icon-size multiplier only for IconExpandMode = FitToLineEdit, default 1. Other modes ignore it. Setter does not clamp the range: use a positive finite value, typically 0.1–1.

public void SetSecret(bool enabled);

Masks display, default false. Text and GetSelectedText retain original characters; this is not encryption or secure password storage.

public void SetSecretCharacter(string character);

Mask character, default •. Supply one Unicode codepoint: longer strings warn and are truncated. An empty value draws the default • without clearing Text.

public void SetSelectAllOnFocus(bool enabled);

Select all text when editing starts, default false. With the left mouse button held, selection waits until release. Does not override SelectingEnabled = false.

public void SetSelectingEnabled(bool enable);

Allows selection, default true. Disabling clears selection; Select and SelectAll do nothing while false.

public void SetShortcutKeysEnabled(bool enable);

Allows built-in editing shortcuts, default true. Does not disable normal typing and every navigation action, direct MenuOption or programmatic Text writes.

public void SetStructuredTextBidiOverride(TextServer.StructuredTextParser parser);

BiDi parsing rule for structured text, default Default. Uri/File/Email/List preserve meaningful parts of mixed-direction strings; Custom uses the Control callback. Does not change original Text.

public void SetStructuredTextBidiOverrideOptions(Reckfell.Collections.Array args);

Shared Array of BiDi-parser options. Getter and setter share the container; mutating an alias does not trigger shaping. Copy before editing and assign through the setter to refresh.

public void SetText(string text);

Raw field value, initially empty. Setter replaces text subject to MaxLength, clears selection/previous history and resets caret/scroll to the start. Does not emit TextChanged; overflow can emit TextChangeRejected.

public void SetTextDirection(Control.TextDirection direction);

Text shaping direction, default Auto. Inherited uses layout direction; Ltr/Rtl explicitly set direction. Does not reverse stored text or replace LayoutDirection.

public void SetVirtualKeyboardEnabled(bool enable);

Allows virtual-keyboard requests on supported platforms, default true. Does not create an on-screen keyboard or disable hardware input when false.

public void SetVirtualKeyboardShowOnFocus(bool showOnFocus);

Request the virtual keyboard on focus, default true. Requires VirtualKeyboardEnabled and platform support. Explicit Edit can request it even when false.

public void SetVirtualKeyboardType(LineEdit.VirtualKeyboardTypeEnum type);

Keyboard-type hint to the platform, default Default. Number/EmailAddress and other values do not filter Text or replace input validation.

public void Unedit();

Ends active editing, applies current IME composition and hides the virtual keyboard where applicable. Does not release focus or itself emit EditingToggled. Deselection depends on DeselectOnFocusLossEnabled and drag state.

public event LineEdit.EditingToggledEventHandler EditingToggled;

Notification from focus paths, user actions and Editable changes. Not universal observation of IsEditing: direct Edit/Unedit with existing focus may not emit it. Read IsEditing in the handler for current state.

public event LineEdit.TextChangeRejectedEventHandler TextChangeRejected;

Part of an insertion exceeded MaxLength. Supplies the discarded tail while the available prefix is accepted. Can occur during SetText or MaxLength assignment even without TextChanged.

public event LineEdit.TextChangedEventHandler TextChanged;

Text-change notification from user editing and some programmatic operations. Text/SetText and InsertTextAtCaret do not themselves emit it; Clear and DeleteCharAtCaret emit immediately, DeleteText deferred in the tree. Do not treat it as universal observation of every Text write.

public event LineEdit.TextSubmittedEventHandler TextSubmitted;

Submission through ui_text_submit, usually Enter. Supplies current original text; assigning Text does not emit it. Validate under application rules before saving.