mirror of
https://github.com/AlexMacocian/MonoGame.Extended.git
synced 2026-07-24 12:06:37 +00:00
A mix between Tiled and GUI stuff (#553)
* mostly restored the tiled importer unit tests * code cleanup * code cleanup * almost got tiled maps serialization independent of the content pipeline * refactored the tiled map content importer so that tiled maps can be loaded at runtime * code cleanup * removed nuspec files * experimenting with an XML based GUI markup parser * a few more markup parser features * finally got a working open file dialog * experimenting with markup bindings * attached properties * working on the gui stuff again * working on a better textbox * multiline textboxing * new text box is really coming along * removed the content explorer experiment * restored the old gui demo back to the way it was before (for now)
This commit is contained in:
Dylan Wilson
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Input;
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using MonoGame.Extended.Input.InputListeners;
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namespace MonoGame.Extended.Gui.Controls
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{
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public class TextBox2 : Control
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{
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public TextBox2()
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: this(null)
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{
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}
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public TextBox2(string text)
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{
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Text = text ?? string.Empty;
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HorizontalTextAlignment = HorizontalAlignment.Left;
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VerticalTextAlignment = VerticalAlignment.Top;
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}
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private const float _caretBlinkRate = 0.53f;
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private float _nextCaretBlink = _caretBlinkRate;
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private bool _isCaretVisible = true;
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private readonly List<StringBuilder> _lines = new List<StringBuilder>();
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public string Text
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{
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get => string.Concat(_lines.SelectMany(s => $"{s}\n"));
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set
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{
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_lines.Clear();
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var line = new StringBuilder();
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for (var i = 0; i < value.Length; i++)
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{
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var c = value[i];
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if (c == '\n')
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{
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_lines.Add(line);
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line = new StringBuilder();
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}
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else if(c != '\r')
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{
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line.Append(c);
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}
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}
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_lines.Add(line);
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}
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}
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public int CaretIndex => ColumnIndex * LineIndex + ColumnIndex;
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public int LineIndex { get; set; }
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public int ColumnIndex { get; set; }
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public int TabStops { get; set; } = 4;
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public override IEnumerable<Control> Children => Enumerable.Empty<Control>();
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public string GetLineText(int lineIndex) => _lines[lineIndex].ToString();
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public int GetLineLength(int lineIndex) => _lines[lineIndex].Length;
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public override Size GetContentSize(IGuiContext context)
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{
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var font = Font ?? context.DefaultFont;
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var stringSize = (Size)font.MeasureString(Text ?? string.Empty);
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return new Size(stringSize.Width, stringSize.Height < font.LineHeight ? font.LineHeight : stringSize.Height);
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}
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public override bool OnKeyPressed(IGuiContext context, KeyboardEventArgs args)
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{
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switch (args.Key)
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{
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case Keys.Tab:
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Tab();
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break;
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case Keys.Back:
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Backspace();
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break;
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case Keys.Delete:
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Delete();
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break;
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case Keys.Left:
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Left();
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break;
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case Keys.Right:
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Right();
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break;
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case Keys.Up:
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Up();
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break;
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case Keys.Down:
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Down();
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break;
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case Keys.Home:
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Home();
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break;
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case Keys.End:
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End();
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break;
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case Keys.Enter:
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Type('\n');
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return true;
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default:
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if (args.Character.HasValue)
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Type(args.Character.Value);
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break;
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}
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_isCaretVisible = true;
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return base.OnKeyPressed(context, args);
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}
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public void Type(char c)
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{
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switch (c)
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{
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case '\n':
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var lineText = GetLineText(LineIndex);
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var left = lineText.Substring(0, ColumnIndex);
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var right = lineText.Substring(ColumnIndex);
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_lines.Insert(LineIndex + 1, new StringBuilder(right));
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_lines[LineIndex] = new StringBuilder(left);
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LineIndex++;
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Home();
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break;
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case '\t':
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Tab();
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break;
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default:
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_lines[LineIndex].Insert(ColumnIndex, c);
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ColumnIndex++;
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break;
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}
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}
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public void Backspace()
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{
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if (ColumnIndex == 0 && LineIndex > 0)
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{
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var topLineLength = GetLineLength(LineIndex - 1);
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if (RemoveLineBreak(LineIndex - 1))
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{
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LineIndex--;
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ColumnIndex = topLineLength;
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}
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}
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else if (Left())
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{
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RemoveCharacter(LineIndex, ColumnIndex);
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}
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}
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public void Delete()
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{
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var lineLength = GetLineLength(LineIndex);
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if (ColumnIndex == lineLength)
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RemoveLineBreak(LineIndex);
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else
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RemoveCharacter(LineIndex, ColumnIndex);
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}
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public void RemoveCharacter(int lineIndex, int columnIndex)
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{
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_lines[lineIndex].Remove(columnIndex, 1);
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}
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public bool RemoveLineBreak(int lineIndex)
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{
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if (lineIndex < _lines.Count - 1)
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{
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var topLine = _lines[lineIndex];
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var bottomLine = _lines[lineIndex + 1];
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_lines.RemoveAt(lineIndex + 1);
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topLine.Append(bottomLine);
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return true;
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}
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return false;
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}
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public bool Home()
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{
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ColumnIndex = 0;
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return true;
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}
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public bool End()
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{
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ColumnIndex = GetLineLength(LineIndex);
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return true;
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}
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public bool Up()
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{
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if (LineIndex > 0)
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{
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LineIndex--;
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if (ColumnIndex > GetLineLength(LineIndex))
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ColumnIndex = GetLineLength(LineIndex);
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return true;
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}
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return false;
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}
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public bool Down()
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{
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if (LineIndex < _lines.Count - 1)
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{
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LineIndex++;
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if (ColumnIndex > GetLineLength(LineIndex))
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ColumnIndex = GetLineLength(LineIndex);
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return true;
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}
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return false;
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}
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public bool Left()
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{
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if (ColumnIndex == 0)
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{
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if (LineIndex == 0)
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return false;
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LineIndex--;
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ColumnIndex = GetLineLength(LineIndex);
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}
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else
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{
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ColumnIndex--;
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}
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return true;
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}
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public bool Right()
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{
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if (ColumnIndex == _lines[LineIndex].Length)
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{
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if (LineIndex == _lines.Count - 1)
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return false;
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LineIndex++;
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ColumnIndex = 0;
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}
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else
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{
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ColumnIndex++;
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}
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return true;
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}
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public bool Tab()
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{
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var spaces = TabStops - ColumnIndex % TabStops;
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for (var s = 0; s < spaces; s++)
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Type(' ');
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return spaces > 0;
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}
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public override void Draw(IGuiContext context, IGuiRenderer renderer, float deltaSeconds)
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{
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base.Draw(context, renderer, deltaSeconds);
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var text = Text;
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var textInfo = GetTextInfo(context, text, ContentRectangle, HorizontalTextAlignment, VerticalTextAlignment);
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if (!string.IsNullOrWhiteSpace(textInfo.Text))
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renderer.DrawText(textInfo.Font, textInfo.Text, textInfo.Position + TextOffset, textInfo.Color, textInfo.ClippingRectangle);
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if (IsFocused)
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{
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var caretRectangle = GetCaretRectangle(textInfo);
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if (_isCaretVisible)
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renderer.DrawRectangle(caretRectangle, TextColor);
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_nextCaretBlink -= deltaSeconds;
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if (_nextCaretBlink <= 0)
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{
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_isCaretVisible = !_isCaretVisible;
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_nextCaretBlink = _caretBlinkRate;
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}
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}
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}
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private Rectangle GetCaretRectangle(TextInfo textInfo)
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{
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var font = textInfo.Font;
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var text = GetLineText(LineIndex);
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var offset = new Vector2(0, font.LineHeight * LineIndex);
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var caretRectangle = font.GetStringRectangle(text.Substring(0, ColumnIndex), textInfo.Position + offset);
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// TODO: Finish the caret position stuff when it's outside the clipping rectangle
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if (caretRectangle.Right > ClippingRectangle.Right)
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textInfo.Position.X -= caretRectangle.Right - ClippingRectangle.Right;
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caretRectangle.X = caretRectangle.Right < ClippingRectangle.Right ? caretRectangle.Right : ClippingRectangle.Right;
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caretRectangle.Width = 1;
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if (caretRectangle.Left < ClippingRectangle.Left)
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{
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textInfo.Position.X += ClippingRectangle.Left - caretRectangle.Left;
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caretRectangle.X = ClippingRectangle.Left;
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}
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return (Rectangle)caretRectangle;
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}
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}
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}
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