83 lines
2.6 KiB
C#
83 lines
2.6 KiB
C#
using System;
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using System.Drawing;
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using CC_Functions.Core;
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namespace CC_Functions.Commandline.TUI
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{
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/// <summary>
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/// Provides a control for users to select a boolean
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/// </summary>
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public class CheckBox : Control
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{
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/// <summary>
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/// Called when the state of this checkbox is changed
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/// </summary>
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/// <param name="screen">The current screen instance</param>
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/// <param name="e">Args</param>
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public delegate void OnCheckedChanged(Screen screen, EventArgs e);
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/// <summary>
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/// Whether the box is checked
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/// </summary>
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public bool Checked;
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/// <summary>
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/// The text inside this checkbox
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/// </summary>
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public string Content;
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/// <summary>
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/// Creates a new checkbox
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/// </summary>
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/// <param name="content">The text inside this CheckBox</param>
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public CheckBox(string content)
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{
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Content = content;
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Input += (screen, args) =>
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{
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switch (args.Info.Key)
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{
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case ConsoleKey.LeftArrow:
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case ConsoleKey.RightArrow:
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case ConsoleKey.Spacebar:
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Checked = !Checked;
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CheckedChanged?.Invoke(screen, args);
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break;
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}
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};
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Click += (screen, args) =>
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{
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Checked = !Checked;
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CheckedChanged?.Invoke(screen, args);
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};
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}
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/// <inheritdoc />
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public override bool Selectable { get; } = true;
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/// <inheritdoc />
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public override Pixel[,] Render()
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{
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char[,] inp1 = Content.ToNdArray2D();
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char[,] inp = new char[inp1.GetLength(0), inp1.GetLength(1) + 4];
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inp.Populate(' ');
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inp1.CopyTo(inp, new Point(4, 0));
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inp[0, 0] = '[';
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inp[0, 1] = Checked ? 'X' : SpecialChars.Empty;
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inp[0, 2] = ']';
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int w = inp.GetLength(0);
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int h = inp.GetLength(1);
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Pixel[,] output = new Pixel[w, h];
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for (int x = 0; x < w; x++)
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for (int y = 0; y < h; y++)
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output[x, y] = new Pixel(Selected ? ForeColor : BackColor, Selected ? BackColor : ForeColor, inp[x, y]);
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Size = new Size(w, h);
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return output;
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}
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/// <summary>
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/// Called when the state of this checkbox is changed
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/// </summary>
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public event OnClick CheckedChanged;
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}
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} |