using System;
using System.Drawing;
namespace CC_Functions.Commandline.TUI
{
///
/// Abstract class inherited by all controls
///
public abstract class Control
{
///
/// Called when [enter] is pressed while the control is selected
///
/// An instance of the calling screen
/// Args
public delegate void OnClick(Screen screen, EventArgs e);
///
/// Called when the control is selected and unknown input is given
///
/// An instance of the calling screen
/// Args
public delegate void OnInput(Screen screen, InputEventArgs e);
///
/// Called when the controls Size property is changed
///
/// The calling control
/// Args
public delegate void OnResize(Control caller, EventArgs e);
private Size _size;
///
/// Whether the control can be interacted with
///
public bool Enabled = true;
///
/// Whether the control should be rendered
///
public bool Visible = true;
///
/// The size of the control
///
public Size Size
{
set
{
if (_size != value)
{
_size = value;
Resize?.Invoke(this, new EventArgs());
}
}
get => _size;
}
///
/// The position of this control
///
public Point Point { get; set; }
///
/// The foreground color for this control
///
public ConsoleColor ForeColor { get; set; } = Console.ForegroundColor;
///
/// The background color for this control
///
public ConsoleColor BackColor { get; set; } = Console.BackgroundColor;
///
/// Whether the control can be selected
///
public abstract bool Selectable { get; }
///
/// Whether the object is selected. Used internally and for drawing
///
public bool Selected { get; internal set; } = false;
///
/// Called when the controls Size property is changed
///
public event OnResize Resize;
///
/// Renders the control
///
/// The rendered pixels
public abstract Pixel[,] Render();
///
/// Called when [enter] is pressed while the control is selected
///
public event OnClick Click;
///
/// Called when the control is selected and unknown input is given
///
public event OnInput Input;
///
/// Invokes click events
///
/// The calling screen
internal void InvokeClick(Screen screen)
{
Click?.Invoke(screen, new EventArgs());
}
///
/// Invokes input events
///
/// The calling screen
/// The input data
internal void InvokeInput(Screen screen, ConsoleKeyInfo info)
{
Input?.Invoke(screen, new InputEventArgs(info));
}
}
}