Table of Contents

Class ButtonControl

Namespace
SharpConsoleUI.Controls
Assembly
SharpConsoleUI.dll

A clickable button control that supports keyboard and mouse interaction.

public class ButtonControl : IInteractiveControl, IFocusableControl, IMouseAwareControl, IWindowControl, IDisposable, IDOMPaintable
Inheritance
ButtonControl
Implements
Inherited Members
Extension Methods

Constructors

ButtonControl()

Initializes a new instance of the ButtonControl class with default settings.

public ButtonControl()

Properties

ActualWidth

Gets the actual rendered width of the button in characters.

public int? ActualWidth { get; }

Property Value

int?

CanFocusWithMouse

Whether this control can receive focus via mouse clicks

public bool CanFocusWithMouse { get; }

Property Value

bool

CanReceiveFocus

Whether this control can receive focus

public bool CanReceiveFocus { get; }

Property Value

bool

Container

Gets or sets the parent container that hosts this control.

public IContainer? Container { get; set; }

Property Value

IContainer

HasFocus

Gets or sets whether this control currently has keyboard focus.

public bool HasFocus { get; set; }

Property Value

bool

HorizontalAlignment

Gets or sets the horizontal alignment of the control within its container.

public HorizontalAlignment HorizontalAlignment { get; set; }

Property Value

HorizontalAlignment

IsEnabled

Gets or sets whether the button is enabled and can be interacted with.

public bool IsEnabled { get; set; }

Property Value

bool

Margin

Gets or sets the margin (spacing) around the control.

public Margin Margin { get; set; }

Property Value

Margin

Name

Gets or sets the unique name identifier for this control, used for lookup.

public string? Name { get; set; }

Property Value

string

StickyPosition

Gets or sets whether this control should stick to the top or bottom during scrolling.

public StickyPosition StickyPosition { get; set; }

Property Value

StickyPosition

Tag

Gets or sets an arbitrary object value that can be used to store custom data.

public object? Tag { get; set; }

Property Value

object

Text

Gets or sets the text displayed on the button.

public string Text { get; set; }

Property Value

string

VerticalAlignment

Gets or sets the vertical alignment of the control within its container.

public VerticalAlignment VerticalAlignment { get; set; }

Property Value

VerticalAlignment

Visible

Gets or sets whether this control is visible.

public bool Visible { get; set; }

Property Value

bool

WantsMouseEvents

Whether this control wants to receive mouse events

public bool WantsMouseEvents { get; }

Property Value

bool

Width

Gets or sets the explicit width of the control, or null for automatic sizing.

public int? Width { get; set; }

Property Value

int?

Methods

Dispose()

Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.

public void Dispose()

GetLogicalContentSize()

Gets the logical size of the control's content without rendering.

public Size GetLogicalContentSize()

Returns

Size

The size representing the content's natural dimensions.

Invalidate()

Marks this control as needing to be re-rendered.

public void Invalidate()

MeasureDOM(LayoutConstraints)

Measures the control's desired size given the available constraints.

public LayoutSize MeasureDOM(LayoutConstraints constraints)

Parameters

constraints LayoutConstraints

The layout constraints (min/max width/height).

Returns

LayoutSize

The desired size of the control.

PaintDOM(CharacterBuffer, LayoutRect, LayoutRect, Color, Color)

Paints the control's content directly to a CharacterBuffer.

public void PaintDOM(CharacterBuffer buffer, LayoutRect bounds, LayoutRect clipRect, Color defaultFg, Color defaultBg)

Parameters

buffer CharacterBuffer

The buffer to paint to.

bounds LayoutRect

The absolute bounds where the control should paint.

clipRect LayoutRect

The clipping rectangle (visible area).

defaultFg Color
defaultBg Color

ProcessKey(ConsoleKeyInfo)

Processes a keyboard input event.

public bool ProcessKey(ConsoleKeyInfo key)

Parameters

key ConsoleKeyInfo

The key information for the pressed key.

Returns

bool

True if the key was handled by this control; otherwise, false.

ProcessMouseEvent(MouseEventArgs)

Processes a mouse event for this control

public bool ProcessMouseEvent(MouseEventArgs args)

Parameters

args MouseEventArgs

Mouse event arguments with control-relative coordinates

Returns

bool

True if the event was handled and should not propagate further

SetFocus(bool, FocusReason)

Sets focus to this control

public void SetFocus(bool focus, FocusReason reason = FocusReason.Programmatic)

Parameters

focus bool

Whether to give or remove focus

reason FocusReason

The reason for the focus change

Events

Click

Event fired when the button is clicked (convenience event that provides the button as parameter).

public event EventHandler<ButtonControl>? Click

Event Type

EventHandler<ButtonControl>

GotFocus

Event fired when the control gains focus

public event EventHandler? GotFocus

Event Type

EventHandler

LostFocus

Event fired when the control loses focus

public event EventHandler? LostFocus

Event Type

EventHandler

MouseClick

Event fired when the button is clicked (by mouse or keyboard).

public event EventHandler<MouseEventArgs>? MouseClick

Event Type

EventHandler<MouseEventArgs>

MouseDoubleClick

Event fired when the control is double-clicked

public event EventHandler<MouseEventArgs>? MouseDoubleClick

Event Type

EventHandler<MouseEventArgs>

MouseEnter

Event fired when the mouse enters the control area

public event EventHandler<MouseEventArgs>? MouseEnter

Event Type

EventHandler<MouseEventArgs>

MouseLeave

Event fired when the mouse leaves the control area

public event EventHandler<MouseEventArgs>? MouseLeave

Event Type

EventHandler<MouseEventArgs>

MouseMove

Event fired when the mouse moves over the control

public event EventHandler<MouseEventArgs>? MouseMove

Event Type

EventHandler<MouseEventArgs>