Class PromptControl
- Namespace
- SharpConsoleUI.Controls
- Assembly
- SharpConsoleUI.dll
A single-line text input control with optional prompt text. Supports text editing, cursor navigation, and horizontal scrolling for overflow text.
public class PromptControl : BaseControl, IDOMPaintable, INotifyPropertyChanged, IInteractiveControl, IFocusableControl, IWindowControl, IDisposable, ILogicalCursorProvider, ICursorShapeProvider
- Inheritance
-
PromptControl
- Implements
- Inherited Members
- Extension Methods
Properties
CanReceiveFocus
Whether this control can receive focus
public bool CanReceiveFocus { get; }
Property Value
ContentWidth
Gets the actual rendered width of the control content in characters.
public override int? ContentWidth { get; }
Property Value
- int?
HasFocus
public bool HasFocus { get; }
Property Value
Input
Gets or sets the current input text entered by the user.
public string Input { get; set; }
Property Value
InputBackgroundColor
Gets or sets the background color of the input area when not focused.
public Color? InputBackgroundColor { get; set; }
Property Value
InputFocusedBackgroundColor
Gets or sets the background color of the input area when focused.
public Color? InputFocusedBackgroundColor { get; set; }
Property Value
InputFocusedForegroundColor
Gets or sets the foreground color of the input text when focused.
public Color? InputFocusedForegroundColor { get; set; }
Property Value
InputForegroundColor
Gets or sets the foreground color of the input text when not focused.
public Color? InputForegroundColor { get; set; }
Property Value
InputWidth
Gets or sets the width of the input area in characters. When set, enables horizontal scrolling.
public int? InputWidth { get; set; }
Property Value
- int?
IsEnabled
Gets or sets whether this control is enabled and can receive input.
public bool IsEnabled { get; set; }
Property Value
MaskCharacter
Gets or sets a character to display instead of the actual input (for password fields). When null, the actual input is displayed.
public char? MaskCharacter { get; set; }
Property Value
- char?
PreferredCursorShape
Gets the preferred cursor shape - always VerticalBar for text input
public CursorShape? PreferredCursorShape { get; }
Property Value
Prompt
Gets or sets the prompt text displayed before the input area.
public string? Prompt { get; set; }
Property Value
UnfocusOnEnter
Gets or sets whether the control loses focus when Enter is pressed.
public bool UnfocusOnEnter { get; set; }
Property Value
Methods
GetLogicalContentSize()
Gets the logical size of the control's content without rendering.
public override Size GetLogicalContentSize()
Returns
- Size
The size representing the content's natural dimensions.
GetLogicalCursorPosition()
Gets the logical cursor position within the control's content coordinate system. This should be the raw position without any visual adjustments for margins, scrolling, etc.
public Point? GetLogicalCursorPosition()
Returns
- Point?
Logical cursor position or null if no cursor.
MeasureDOM(LayoutConstraints)
Measures the control's desired size given the available constraints.
public override LayoutSize MeasureDOM(LayoutConstraints constraints)
Parameters
constraintsLayoutConstraintsThe layout constraints (min/max width/height).
Returns
- LayoutSize
The desired size of the control.
OnDisposing()
Called during Dispose() before Container is set to null.
Override to perform control-specific cleanup (null events, close portals, clear data, etc.).
protected override void OnDisposing()
PaintDOM(CharacterBuffer, LayoutRect, LayoutRect, Color, Color)
Paints the control's content directly to a CharacterBuffer.
public override void PaintDOM(CharacterBuffer buffer, LayoutRect bounds, LayoutRect clipRect, Color defaultFg, Color defaultBg)
Parameters
bufferCharacterBufferThe buffer to paint to.
boundsLayoutRectThe absolute bounds where the control should paint.
clipRectLayoutRectThe clipping rectangle (visible area).
defaultFgColordefaultBgColor
ProcessKey(ConsoleKeyInfo)
Processes a keyboard input event.
public bool ProcessKey(ConsoleKeyInfo key)
Parameters
keyConsoleKeyInfoThe key information for the pressed key.
Returns
- bool
True if the key was handled by this control; otherwise, false.
SetInput(string?)
Sets the input text and positions the cursor at the end.
public void SetInput(string? input)
Parameters
inputstringThe text to set as input.
SetLogicalCursorPosition(Point)
Sets the logical cursor position within the control's content coordinate system.
public void SetLogicalCursorPosition(Point position)
Parameters
positionPoint
Events
Entered
Event fired when Enter is pressed (modern standardized event)
public event EventHandler<string>? Entered
Event Type
InputChanged
Event fired when input text changes (modern standardized event)
public event EventHandler<string>? InputChanged