1308 lines
42 KiB
C#
1308 lines
42 KiB
C#
using Mesen.GUI.Config;
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using Mesen.GUI.Controls;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace Mesen.GUI.Debugger
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{
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[Flags]
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public enum LineSymbol
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{
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None = 0,
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Circle = 1,
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CircleOutline = 2,
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Arrow = 4,
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Mark = 8,
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Plus = 16
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}
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public enum eHistoryType
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{
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Always,
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OnScroll,
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None
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}
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public class LineProperties
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{
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public Color? LineBgColor;
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public Color? TextBgColor;
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public Color? FgColor;
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public Color? OutlineColor;
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public Color? AddressColor;
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public LineSymbol Symbol;
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}
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public partial class ctrlTextbox : Control
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{
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private Regex _codeRegex = new Regex("([a-z]{3})([*]{0,1})[ ]{0,1}([(]{0,1})(([#]{0,1}[$][0-9a-f]*)|([@_a-z]([@_a-z0-9])*)){0,1}([)]{0,1})(,X|,Y){0,1}([)]{0,1})(.*)", RegexOptions.IgnoreCase | RegexOptions.Compiled);
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public event EventHandler ScrollPositionChanged;
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public event EventHandler SelectedLineChanged;
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private bool _disableScrollPositionChangedEvent;
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private const float HorizontalScrollFactor = 8;
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private const int CommentSpacingCharCount = 25;
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private TextboxHistory _history = new TextboxHistory();
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private string[] _contents = new string[0];
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private string[] _contentNotes = new string[0];
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private string[] _compareContents = null;
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private int[] _lineNumbers = new int[0];
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private int[] _lineMargins = new int[0];
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private string[] _lineNumberNotes = new string[0];
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private Dictionary<int, int> _lineNumberIndex = new Dictionary<int,int>();
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private bool _showLineNumbers = false;
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private bool _showLineInHex = false;
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private bool _showLineNumberNotes = false;
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private bool _showSingleLineLineNumberNotes = false;
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private bool _showContentNotes = false;
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private bool _showSingleLineContentNotes = true;
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private bool _showCompactPrgAddresses = false;
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private int _selectionStart = 0;
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private int _selectionLength = 0;
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private int _scrollPosition = 0;
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private int _horizontalScrollPosition = 0;
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private string _searchString = null;
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private string _header = null;
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private Font _noteFont = null;
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private int _marginWidth = 9;
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private int _extendedMarginWidth = 13;
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private float _maxLineWidth = 0;
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private int _maxLineWidthIndex = 0;
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public ctrlTextbox()
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{
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InitializeComponent();
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this.ResizeRedraw = true;
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this.DoubleBuffered = true;
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this.UpdateFont();
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}
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public string[] Comments;
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public string[] Addressing;
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public int[] LineIndentations;
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public string[] TextLines
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{
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set
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{
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int maxLength = 0;
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_maxLineWidthIndex = 0;
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_contents = value;
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for(int i = 0, len = value.Length; i < len; i++) {
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int length = _contents[i].Length + (Addressing != null ? Addressing[i].Length : 0);
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if(Comments?[i].Length > 0) {
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length = Math.Max(length, length > 0 ? CommentSpacingCharCount : 0) + Comments[i].Length;
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}
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if(length > maxLength) {
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maxLength = length;
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_maxLineWidthIndex = i;
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}
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}
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UpdateHorizontalScrollWidth();
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if(_lineNumbers.Length != _contents.Length) {
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_lineNumbers = new int[_contents.Length];
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_lineNumberIndex.Clear();
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for(int i = _contents.Length - 1; i >=0; i--) {
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_lineNumbers[i] = i;
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_lineNumberIndex[i] = i;
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}
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}
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this.Invalidate();
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}
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}
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//Cache Font.Height value because accessing it is slow
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private new int FontHeight { get; set; }
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private Font _baseFont = new Font(BaseControl.MonospaceFontFamily, BaseControl.DefaultFontSize);
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[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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public Font BaseFont
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{
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get { return _baseFont; }
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set
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{
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_baseFont = value;
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this.UpdateFont();
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this.Invalidate();
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}
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}
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private Font _font = new Font(BaseControl.MonospaceFontFamily, BaseControl.DefaultFontSize);
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[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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public override Font Font
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{
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get { return this._font; }
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set { throw new Exception("Do not use"); }
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}
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private int _textZoom = 100;
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[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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public int TextZoom
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{
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get { return this._textZoom; }
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set
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{
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if(value >= 30 && value <= 500) {
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this._textZoom = value;
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UpdateFont();
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}
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}
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}
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private void UpdateFont()
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{
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_font = new Font(this.BaseFont.FontFamily, this.BaseFont.Size * this.TextZoom / 100f, this.BaseFont.Style);
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_noteFont = new Font(this.BaseFont.FontFamily, this.BaseFont.Size * this.TextZoom * 0.75f / 100f);
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FontHeight = this._font.Height;
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UpdateHorizontalScrollWidth();
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}
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public bool ShowSingleContentLineNotes
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{
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get { return _showSingleLineContentNotes; }
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set
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{
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_showSingleLineContentNotes = value;
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this.Invalidate();
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}
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}
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public bool ShowCompactPrgAddresses
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{
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get { return _showCompactPrgAddresses; }
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set
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{
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_showCompactPrgAddresses = value;
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this.Invalidate();
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}
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}
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public bool ShowContentNotes
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{
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get { return _showContentNotes; }
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set
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{
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_showContentNotes = value;
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this.Invalidate();
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}
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}
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public bool ShowSingleLineLineNumberNotes
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{
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get { return _showSingleLineLineNumberNotes; }
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set
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{
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_showSingleLineLineNumberNotes = value;
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this.Invalidate();
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}
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}
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private bool _showMemoryValues = false;
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public bool ShowMemoryValues
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{
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get { return _showMemoryValues; }
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set
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{
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_showMemoryValues = value;
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this.Invalidate();
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}
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}
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private bool _hideSelection = false;
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public bool HideSelection
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{
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get { return _hideSelection; }
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set
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{
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_hideSelection = value;
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this.Invalidate();
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}
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}
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public bool ShowLineNumberNotes
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{
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get { return this._showLineNumberNotes; }
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set
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{
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this._showLineNumberNotes = value;
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this.Invalidate();
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}
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}
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public string[] TextLineNotes
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{
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set
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{
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this._contentNotes = value;
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this.Invalidate();
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}
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}
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public string[] CompareLines
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{
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set
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{
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_compareContents = value;
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}
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}
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public int LineCount
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{
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get
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{
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return _contents.Length;
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}
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}
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public int[] LineNumbers
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{
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set
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{
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_lineNumbers = value;
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_lineNumberIndex.Clear();
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int i = 0;
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foreach(int line in _lineNumbers) {
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_lineNumberIndex[line] = i;
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i++;
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}
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this.Invalidate();
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}
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}
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public string[] LineNumberNotes
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{
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set
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{
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_lineNumberNotes = value;
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this.Invalidate();
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}
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}
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public string Header
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{
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set
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{
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this._header = value;
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this.Invalidate();
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}
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}
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public int MarginWidth
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{
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set
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{
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this._marginWidth = value;
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this.Invalidate();
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}
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}
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public List<Tuple<int, int, string>> FindAllOccurrences(string text, bool matchWholeWord, bool matchCase)
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{
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List<Tuple<int, int, string>> result = new List<Tuple<int, int, string>>();
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string regex;
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if(matchWholeWord) {
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regex = $"[^0-9a-zA-Z_#@]+{Regex.Escape(text)}[^0-9a-zA-Z_#@]+";
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} else {
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regex = Regex.Escape(text);
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}
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for(int i = 0, len = _contents.Length; i < len; i++) {
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string line = _contents[i] + Addressing?[i] + (Comments != null ? ("\t" + Comments[i]) : null);
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if(Regex.IsMatch(line, regex, matchCase ? RegexOptions.None : RegexOptions.IgnoreCase)) {
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if(line.StartsWith("__") && line.EndsWith("__")) {
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line = "Block: " + line.Substring(2, line.Length - 4);
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}
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if(line.StartsWith("--") && line.EndsWith("--")) {
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continue;
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}
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int j = i;
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while(j < _lineNumbers.Length && _lineNumbers[j] < 0) {
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j++;
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}
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var searchResult = new Tuple<int, int, string>(_lineNumbers[j], i, line);
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result.Add(searchResult);
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}
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}
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return result;
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}
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public bool Search(string searchString, bool searchBackwards, bool isNewSearch)
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{
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if(string.IsNullOrWhiteSpace(searchString)) {
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this._searchString = null;
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this.Invalidate();
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return true;
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} else {
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int startPosition;
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int endPosition;
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this._searchString = searchString.ToLowerInvariant();
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int searchOffset = (searchBackwards ? -1 : 1);
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if(isNewSearch) {
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startPosition = this.SelectionStart;
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endPosition = this.SelectionStart - searchOffset;
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if(endPosition < 0) {
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endPosition = _contents.Length - 1;
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} else if(endPosition >= _contents.Length) {
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endPosition = 0;
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}
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} else {
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startPosition = this.SelectionStart + searchOffset;
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endPosition = this.SelectionStart;
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if(startPosition < 0) {
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startPosition = _contents.Length - 1;
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} else if(startPosition >= _contents.Length) {
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startPosition = 0;
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}
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}
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for(int i = startPosition; i != endPosition; i += searchOffset) {
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string line = _contents[i].ToLowerInvariant();
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if(line.Contains(this._searchString)) {
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this.ScrollToLineIndex(i);
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this.Invalidate();
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return true;
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}
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//Continue search from start/end of document
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if(!searchBackwards && i == this._contents.Length - 1) {
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i = 0;
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} else if(searchBackwards && i == 0) {
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i = this._contents.Length - 1;
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}
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}
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this.Invalidate();
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return _contents[_selectionStart].ToLowerInvariant().Contains(this._searchString);
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}
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}
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public interface ILineStyleProvider
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{
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LineProperties GetLineStyle(int cpuAddress, int lineIndex);
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}
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private ILineStyleProvider _styleProvider;
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public ILineStyleProvider StyleProvider
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{
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get { return _styleProvider; }
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set
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{
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_styleProvider = value;
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this.Invalidate();
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}
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}
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public LineProperties GetLineStyle(int lineIndex)
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{
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if(StyleProvider != null) {
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return StyleProvider.GetLineStyle(_lineNumbers[lineIndex], lineIndex);
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} else {
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return null;
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}
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}
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public int GetLineIndex(int lineNumber)
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{
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if(_lineNumberIndex.ContainsKey(lineNumber)) {
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return _lineNumberIndex[lineNumber];
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} else {
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foreach(int line in _lineNumbers) {
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if(line > lineNumber) {
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return Math.Max(0, GetLineIndex(line) - 1);
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}
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}
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}
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return -1;
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}
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public int GetLineNumber(int lineIndex)
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{
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if(_lineNumbers.Length <= lineIndex) {
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return 0;
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} else {
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return _lineNumbers[lineIndex];
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}
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}
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public void ScrollToLineIndex(int lineIndex, eHistoryType historyType = eHistoryType.Always, bool scrollToTop = false)
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{
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if(this.SelectionStart != lineIndex) {
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bool scrolled = false;
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if(lineIndex < this.ScrollPosition || lineIndex > this.GetLastVisibleLineIndex()) {
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//Line isn't currently visible, scroll it to the middle of the viewport
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if(scrollToTop) {
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int scrollPos = lineIndex;
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while(scrollPos > 0 && _lineNumbers[scrollPos - 1] < 0) {
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//Make sure any comment for the line is in scroll view
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scrollPos--;
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if(_contents[scrollPos].StartsWith("--") || _contents[scrollPos].StartsWith("__")) {
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//Reached the start of a block, stop going back up
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break;
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}
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}
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this.ScrollPosition = scrollPos;
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} else {
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this.ScrollPosition = lineIndex - this.GetNumberVisibleLines() / 2;
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}
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scrolled = true;
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}
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if(historyType == eHistoryType.Always || scrolled && historyType == eHistoryType.OnScroll) {
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_history.AddHistory(this.SelectionStart);
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}
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this.SelectionStart = lineIndex;
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this.SelectionLength = 0;
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if(historyType == eHistoryType.Always || scrolled && historyType == eHistoryType.OnScroll) {
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_history.AddHistory(this.SelectionStart);
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}
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}
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}
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public void ScrollToLineNumber(int lineNumber, eHistoryType historyType = eHistoryType.Always, bool scrollToTop = false)
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{
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int lineIndex = this.GetLineIndex(lineNumber);
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if(lineIndex >= 0) {
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ScrollToLineIndex(lineIndex, historyType, scrollToTop);
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}
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}
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public int CodeMargin
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{
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get
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{
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using(Graphics g = Graphics.FromHwnd(this.Handle)) {
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return this.GetMargin(g, false);
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}
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}
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}
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private int GetMargin(Graphics g, bool getExtendedMargin)
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{
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int marginWidth = getExtendedMargin && this.ShowContentNotes && this.ShowSingleContentLineNotes ? _marginWidth + _extendedMarginWidth : _marginWidth;
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if(ShowCompactPrgAddresses) {
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marginWidth += 4;
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}
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return (this.ShowLineNumbers ? (int)(g.MeasureString("".PadLeft(marginWidth, 'W'), this.Font, int.MaxValue, StringFormat.GenericTypographic).Width) : 0) - 1;
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}
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public int GetLineIndexAtPosition(int yPos)
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{
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int charIndex;
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int lineIndex;
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GetCharIndex(new Point(0, yPos), out charIndex, out lineIndex);
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return lineIndex;
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}
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private string GetFullWidthString(int lineIndex)
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{
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string text = _contents[lineIndex] + Addressing?[lineIndex];
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if(Comments?[lineIndex].Length > 0) {
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return text.PadRight(text.Length > 0 ? CommentSpacingCharCount : 0) + Comments[lineIndex];
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}
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return text;
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}
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private bool GetCharIndex(Point position, out int charIndex, out int lineIndex)
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{
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charIndex = -1;
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using(Graphics g = Graphics.FromHwnd(this.Handle)) {
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int marginLeft = this.GetMargin(g, true);
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int positionX = position.X - marginLeft;
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lineIndex = this.ScrollPosition + this.GetLineAtPosition(position.Y);
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if(lineIndex > _contents.Length && _contents.Length != 0) {
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lineIndex = _contents.Length - 1;
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}
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if(positionX >= 0 && lineIndex < _contents.Length) {
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string text = this.GetFullWidthString(lineIndex);
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//Adjust background color highlights based on number of spaces in front of content
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positionX -= (LineIndentations != null ? LineIndentations[lineIndex] : 0);
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int previousWidth = 0;
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for(int i = 0, len = text.Length; i < len; i++) {
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int width = (int)g.MeasureString(text.Substring(0, i+1), this.Font, int.MaxValue, StringFormat.GenericTypographic).Width;
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if(width >= positionX && previousWidth <= positionX) {
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charIndex = i;
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return true;
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}
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previousWidth = width;
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}
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}
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}
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return false;
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}
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public string GetWordUnderLocation(Point position, bool useCompareText = false)
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{
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int charIndex;
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int lineIndex;
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if(this.GetCharIndex(position, out charIndex, out lineIndex)) {
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string text = (useCompareText && _compareContents != null) ? _compareContents[lineIndex] : this.GetFullWidthString(lineIndex);
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List<char> wordDelimiters = new List<char>(new char[] { ' ', ',', '|', ';', '(', ')', '.', '-', ':' });
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if(wordDelimiters.Contains(text[charIndex])) {
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return string.Empty;
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} else {
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int endIndex = text.IndexOfAny(wordDelimiters.ToArray(), charIndex);
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if(endIndex == -1) {
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endIndex = text.Length;
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}
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int startIndex = text.LastIndexOfAny(wordDelimiters.ToArray(), charIndex);
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return text.Substring(startIndex + 1, endIndex - startIndex - 1);
|
|
}
|
|
}
|
|
return string.Empty;
|
|
}
|
|
|
|
private int GetLineAtPosition(int yPos)
|
|
{
|
|
if(!string.IsNullOrWhiteSpace(this._header)) {
|
|
yPos -= this.LineHeight;
|
|
}
|
|
return Math.Max(0, yPos / this.LineHeight);
|
|
}
|
|
|
|
private int GetLastVisibleLineIndex()
|
|
{
|
|
return this.ScrollPosition + this.GetNumberVisibleLines() - 1;
|
|
}
|
|
|
|
public int GetNumberVisibleLines()
|
|
{
|
|
Rectangle rect = this.ClientRectangle;
|
|
return this.GetLineAtPosition(rect.Height);
|
|
}
|
|
|
|
[Browsable(false)]
|
|
[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
|
|
public int SelectionStart
|
|
{
|
|
get { return Math.Min(this._contents.Length - 1, Math.Max(0, _selectionStart)); }
|
|
set
|
|
{
|
|
int selectionStart = Math.Max(0, Math.Min(this._contents.Length - 1, Math.Max(0, value)));
|
|
|
|
_selectionStart = selectionStart;
|
|
|
|
if(this.SelectionLength == 0) {
|
|
this.SelectedLine = this.SelectionStart;
|
|
}
|
|
|
|
this.Invalidate();
|
|
}
|
|
}
|
|
|
|
[Browsable(false)]
|
|
[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
|
|
public int SelectionLength
|
|
{
|
|
get { return (this.SelectionStart + _selectionLength) > this._contents.Length - 1 ? this._contents.Length - this.SelectionStart - 1 : _selectionLength; }
|
|
set
|
|
{
|
|
_selectionLength = value;
|
|
|
|
if(this.SelectionStart + _selectionLength > this._contents.Length - 1) {
|
|
_selectionLength = this._contents.Length - this.SelectionStart - 1;
|
|
}
|
|
|
|
if(value == 0) {
|
|
this.SelectedLine = this.SelectionStart;
|
|
}
|
|
|
|
this.Invalidate();
|
|
}
|
|
}
|
|
[Browsable(false)]
|
|
[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
|
|
public int SelectedLine
|
|
{
|
|
get { return this._selectedLine; }
|
|
set
|
|
{
|
|
this._selectedLine = value;
|
|
if(_selectedLine < this.ScrollPosition) {
|
|
this.ScrollPosition = _selectedLine;
|
|
} else if(_selectedLine > this.GetLastVisibleLineIndex()) {
|
|
this.ScrollPosition = _selectedLine - this.GetNumberVisibleLines() + 1;
|
|
}
|
|
this.SelectedLineChanged?.Invoke(this, EventArgs.Empty);
|
|
this.Invalidate();
|
|
}
|
|
}
|
|
private int _selectedLine = 0;
|
|
|
|
public void MoveSelectionDown(int lines = 1)
|
|
{
|
|
_disableScrollPositionChangedEvent = true;
|
|
while(lines > 0) {
|
|
bool singleLineSelection = this.SelectionLength == 0;
|
|
|
|
if(singleLineSelection) {
|
|
if(this.SelectionStart + this.SelectionLength >= this._contents.Length - 1) {
|
|
//End of document reached
|
|
break;
|
|
}
|
|
this.SelectedLine = this.SelectionStart + 1;
|
|
this.SelectionLength++;
|
|
} else if(this.SelectionStart + this.SelectionLength == this.SelectedLine) {
|
|
if(this.SelectionStart + this.SelectionLength >= this._contents.Length - 1) {
|
|
//End of document reached
|
|
break;
|
|
}
|
|
this.SelectedLine++;
|
|
this.SelectionLength++;
|
|
} else {
|
|
this.SelectionStart++;
|
|
this.SelectedLine++;
|
|
this.SelectionLength--;
|
|
}
|
|
lines--;
|
|
}
|
|
_disableScrollPositionChangedEvent = false;
|
|
ScrollPositionChanged?.Invoke(this, null);
|
|
}
|
|
|
|
public void MoveSelectionUp(int lines = 1)
|
|
{
|
|
_disableScrollPositionChangedEvent = true;
|
|
while(lines > 0) {
|
|
bool singleLineSelection = this.SelectionLength == 0;
|
|
|
|
if(singleLineSelection) {
|
|
if(this.SelectionStart == 0) {
|
|
//Top of document reached
|
|
break;
|
|
}
|
|
this.SelectionStart--;
|
|
this.SelectedLine = this.SelectionStart;
|
|
this.SelectionLength++;
|
|
} else if(this.SelectionStart == this.SelectedLine) {
|
|
if(this.SelectionStart == 0) {
|
|
//Top of document reached
|
|
break;
|
|
}
|
|
this.SelectionStart--;
|
|
this.SelectedLine--;
|
|
this.SelectionLength++;
|
|
} else {
|
|
this.SelectedLine--;
|
|
this.SelectionLength--;
|
|
}
|
|
lines--;
|
|
}
|
|
_disableScrollPositionChangedEvent = false;
|
|
ScrollPositionChanged?.Invoke(this, null);
|
|
}
|
|
|
|
public int CurrentLine
|
|
{
|
|
get { return _lineNumbers.Length > _selectionStart ? _lineNumbers[_selectionStart] : 0; }
|
|
}
|
|
|
|
public int LastSelectedLine
|
|
{
|
|
get { return _lineNumbers.Length > _selectionStart + this.SelectionLength ? _lineNumbers[_selectionStart + this.SelectionLength] : 0; }
|
|
}
|
|
|
|
[Browsable(false)]
|
|
[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
|
|
public int ScrollPosition
|
|
{
|
|
get { return _scrollPosition; }
|
|
set
|
|
{
|
|
value = Math.Max(0, Math.Min(value, this._contents.Length-this.GetNumberVisibleLines()));
|
|
_scrollPosition = value;
|
|
if(!_disableScrollPositionChangedEvent && this.ScrollPositionChanged != null) {
|
|
ScrollPositionChanged(this, null);
|
|
}
|
|
this.Invalidate();
|
|
}
|
|
}
|
|
|
|
[Browsable(false)]
|
|
[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
|
|
public int HorizontalScrollPosition
|
|
{
|
|
get { return _horizontalScrollPosition; }
|
|
set
|
|
{
|
|
_horizontalScrollPosition = value;
|
|
if(!_disableScrollPositionChangedEvent && this.ScrollPositionChanged != null) {
|
|
ScrollPositionChanged(this, null);
|
|
}
|
|
this.Invalidate();
|
|
}
|
|
}
|
|
|
|
public int HorizontalScrollWidth { get; set; } = 0;
|
|
|
|
private void UpdateHorizontalScrollWidth()
|
|
{
|
|
if(LineIndentations != null && LineIndentations.Length > _maxLineWidthIndex) {
|
|
using(Graphics g = this.CreateGraphics()) {
|
|
_maxLineWidth = (LineIndentations != null ? LineIndentations[_maxLineWidthIndex] : 0) + g.MeasureString(GetFullWidthString(_maxLineWidthIndex), this.Font, int.MaxValue, StringFormat.GenericTypographic).Width;
|
|
HorizontalScrollWidth = (int)(Math.Max(0, HorizontalScrollFactor + _maxLineWidth - (this.Width - GetMargin(g, true))) / HorizontalScrollFactor);
|
|
}
|
|
} else {
|
|
_maxLineWidth = 0;
|
|
HorizontalScrollPosition = 0;
|
|
HorizontalScrollWidth = 0;
|
|
}
|
|
}
|
|
|
|
protected override void OnResize(EventArgs e)
|
|
{
|
|
base.OnResize(e);
|
|
this.ScrollPosition = this.ScrollPosition;
|
|
UpdateHorizontalScrollWidth();
|
|
ScrollPositionChanged?.Invoke(this, e);
|
|
}
|
|
|
|
public bool ShowLineNumbers
|
|
{
|
|
get { return _showLineNumbers; }
|
|
set { _showLineNumbers = value; }
|
|
}
|
|
|
|
public bool ShowLineInHex
|
|
{
|
|
get { return _showLineInHex; }
|
|
set { _showLineInHex = value; }
|
|
}
|
|
|
|
private int LineHeight
|
|
{
|
|
get
|
|
{
|
|
if(this.ShowLineNumberNotes && !this.ShowSingleLineLineNumberNotes || this.ShowContentNotes && !this.ShowSingleContentLineNotes) {
|
|
return (int)(this.FontHeight * 1.60);
|
|
} else {
|
|
return this.FontHeight - 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
int _clickedLine;
|
|
bool _mouseDragging;
|
|
protected override void OnMouseDown(MouseEventArgs e)
|
|
{
|
|
base.OnMouseDown(e);
|
|
this.Focus();
|
|
|
|
if(e.Button == MouseButtons.XButton1) {
|
|
this.NavigateBackward();
|
|
} else if(e.Button == MouseButtons.XButton2) {
|
|
this.NavigateForward();
|
|
} else {
|
|
_clickedLine = this.ScrollPosition + this.GetLineAtPosition(e.Y);
|
|
|
|
if(e.Button == MouseButtons.Right) {
|
|
if(_clickedLine >= this.SelectionStart && _clickedLine <= this.SelectionStart + this.SelectionLength) {
|
|
//Right-clicking on selection should not change it
|
|
return;
|
|
}
|
|
}
|
|
|
|
if(Control.ModifierKeys.HasFlag(Keys.Shift)) {
|
|
if(_clickedLine > this.SelectedLine) {
|
|
MoveSelectionDown(_clickedLine - this.SelectedLine);
|
|
} else {
|
|
MoveSelectionUp(this.SelectedLine - _clickedLine);
|
|
}
|
|
} else {
|
|
_mouseDragging = true;
|
|
this.SelectedLine = _clickedLine;
|
|
this.SelectionStart = _clickedLine;
|
|
this.SelectionLength = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
protected override void OnMouseUp(MouseEventArgs e)
|
|
{
|
|
_mouseDragging = false;
|
|
base.OnMouseUp(e);
|
|
}
|
|
|
|
protected override void OnMouseMove(MouseEventArgs e)
|
|
{
|
|
if(_mouseDragging) {
|
|
int lineUnderMouse = this.ScrollPosition + this.GetLineAtPosition(e.Y);
|
|
this.SelectedLine = lineUnderMouse;
|
|
this.SelectedLine = lineUnderMouse;
|
|
if(lineUnderMouse > _clickedLine) {
|
|
this.SelectionLength = lineUnderMouse - _clickedLine;
|
|
} else {
|
|
this.SelectedLine = lineUnderMouse;
|
|
this.SelectionStart = lineUnderMouse;
|
|
this.SelectionLength = _clickedLine - lineUnderMouse;
|
|
}
|
|
}
|
|
base.OnMouseMove(e);
|
|
}
|
|
|
|
public void CopySelection()
|
|
{
|
|
StringBuilder sb = new StringBuilder();
|
|
for(int i = this.SelectionStart, end = this.SelectionStart + this.SelectionLength; i <= end; i++) {
|
|
string indent = "";
|
|
if(LineIndentations != null) {
|
|
indent = "".PadLeft(LineIndentations[i] / 10);
|
|
}
|
|
|
|
string codeString = _contents[i].Trim();
|
|
if(codeString.StartsWith("__") || codeString.StartsWith("--")) {
|
|
codeString = "--------" + codeString.Substring(2, codeString.Length - 4) + "--------";
|
|
}
|
|
|
|
string commentString = Comments?[i].Trim() ?? "";
|
|
int padding = Math.Max(CommentSpacingCharCount, codeString.Length);
|
|
if(codeString.Length == 0) {
|
|
padding = 0;
|
|
}
|
|
|
|
codeString = codeString.PadRight(padding);
|
|
sb.AppendLine(indent + codeString + commentString);
|
|
}
|
|
Clipboard.SetText(sb.ToString());
|
|
}
|
|
|
|
public void NavigateForward()
|
|
{
|
|
this.ScrollToLineIndex(_history.GoForward(), eHistoryType.None);
|
|
}
|
|
|
|
public void NavigateBackward()
|
|
{
|
|
this.ScrollToLineIndex(_history.GoBack(), eHistoryType.None);
|
|
}
|
|
|
|
private void DrawLine(Graphics g, int currentLine, int marginLeft, int positionY, int lineHeight)
|
|
{
|
|
string codeString = _contents[currentLine];
|
|
string addressString = this.Addressing?[currentLine];
|
|
string commentString = this.Comments?[currentLine];
|
|
|
|
float codeStringLength = g.MeasureString(codeString, this.Font, int.MaxValue, StringFormat.GenericTypographic).Width;
|
|
float addressStringLength = g.MeasureString(addressString, this.Font, int.MaxValue, StringFormat.GenericTypographic).Width;
|
|
|
|
//Adjust background color highlights based on number of spaces in front of content
|
|
int originalMargin = marginLeft;
|
|
marginLeft += (LineIndentations != null ? LineIndentations[currentLine] : 0);
|
|
|
|
bool isBlockStart = codeString.StartsWith("__") && codeString.EndsWith("__");
|
|
bool isBlockEnd = codeString.StartsWith("--") && codeString.EndsWith("--");
|
|
|
|
Color? textColor = null;
|
|
LineProperties lineProperties = GetLineStyle(currentLine);
|
|
|
|
//Setup text and bg color (only if the line is not the start/end of a block)
|
|
if(lineProperties != null) {
|
|
//Process background, foreground, outline color and line symbol
|
|
textColor = lineProperties.FgColor;
|
|
|
|
if(lineProperties.LineBgColor.HasValue) {
|
|
using(Brush bgBrush = new SolidBrush(lineProperties.LineBgColor.Value)) {
|
|
int yOffset = Program.IsMono ? 2 : 1;
|
|
if(isBlockStart) {
|
|
g.FillRectangle(bgBrush, originalMargin, positionY + yOffset + lineHeight / 2, Math.Max(_maxLineWidth + 10, this.ClientRectangle.Width - originalMargin), lineHeight / 2 + 1);
|
|
} else if(isBlockEnd) {
|
|
g.FillRectangle(bgBrush, originalMargin, positionY + yOffset, Math.Max(_maxLineWidth + 10, this.ClientRectangle.Width - originalMargin), lineHeight / 2 - 3);
|
|
} else {
|
|
g.FillRectangle(bgBrush, originalMargin, positionY + yOffset, Math.Max(_maxLineWidth + 10, this.ClientRectangle.Width - originalMargin), lineHeight);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if(!this.HideSelection && currentLine >= this.SelectionStart && currentLine <= this.SelectionStart + this.SelectionLength) {
|
|
//Highlight current line
|
|
using(Brush brush = new SolidBrush(Color.FromArgb(150, 185, 210, 255))) {
|
|
int offset = currentLine - 1 == this.SelectedLine ? 1 : 0;
|
|
g.FillRectangle(brush, originalMargin, positionY + offset, Math.Max(_maxLineWidth, this.ClientRectangle.Width), lineHeight - offset);
|
|
}
|
|
if(currentLine == this.SelectedLine) {
|
|
g.DrawRectangle(Pens.Blue, originalMargin + 1, positionY + 1, Math.Max(_maxLineWidth, this.ClientRectangle.Width - originalMargin) - 1, lineHeight);
|
|
}
|
|
}
|
|
|
|
if(lineProperties != null) {
|
|
if(!isBlockStart && !isBlockEnd && lineProperties.TextBgColor.HasValue) {
|
|
using(Brush bgBrush = new SolidBrush(lineProperties.TextBgColor.Value)) {
|
|
int yOffset = Program.IsMono ? 2 : 1;
|
|
g.FillRectangle(bgBrush, marginLeft, positionY + yOffset, codeStringLength, lineHeight - 1);
|
|
}
|
|
}
|
|
|
|
if(!isBlockStart && !isBlockEnd && lineProperties.OutlineColor.HasValue) {
|
|
using(Pen outlinePen = new Pen(lineProperties.OutlineColor.Value, 1)) {
|
|
g.DrawRectangle(outlinePen, marginLeft, positionY + 1, codeStringLength, lineHeight - 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
this.DrawLineText(g, currentLine, marginLeft, positionY, codeString, addressString, commentString, codeStringLength, addressStringLength, textColor, lineHeight);
|
|
}
|
|
|
|
private void DrawLineNumber(Graphics g, int currentLine, int marginLeft, int positionY, Color addressColor)
|
|
{
|
|
using(Brush numberBrush = new SolidBrush(addressColor)) {
|
|
if(this.ShowLineNumberNotes && this.ShowSingleLineLineNumberNotes) {
|
|
//Display line note instead of line number
|
|
string lineNumber;
|
|
if(string.IsNullOrEmpty(_lineNumberNotes[currentLine])) {
|
|
lineNumber = _lineNumbers[currentLine] >= 0 ? _lineNumbers[currentLine].ToString(_showLineInHex ? "X4" : "") : "..";
|
|
} else {
|
|
lineNumber = _lineNumberNotes[currentLine];
|
|
}
|
|
float width = g.MeasureString(lineNumber, this.Font, int.MaxValue, StringFormat.GenericTypographic).Width;
|
|
g.DrawString(lineNumber, this.Font, numberBrush, marginLeft - width, positionY, StringFormat.GenericTypographic);
|
|
} else {
|
|
//Display line number
|
|
string lineNumber = _lineNumbers[currentLine] >= 0 ? _lineNumbers[currentLine].ToString(_showLineInHex ? "X4" : "") : "..";
|
|
|
|
if(ShowCompactPrgAddresses && _lineNumberNotes[currentLine].Length > 3) {
|
|
lineNumber += " [" + _lineNumberNotes[currentLine].Substring(0, _lineNumberNotes[currentLine].Length - 3) + "]";
|
|
}
|
|
|
|
float width = g.MeasureString(lineNumber, this.Font, int.MaxValue, StringFormat.GenericTypographic).Width;
|
|
g.DrawString(lineNumber, this.Font, numberBrush, marginLeft - width, positionY, StringFormat.GenericTypographic);
|
|
|
|
if(this.ShowLineNumberNotes && !this.ShowSingleLineLineNumberNotes) {
|
|
//Display line note below line number
|
|
width = g.MeasureString(_lineNumberNotes[currentLine], _noteFont, int.MaxValue, StringFormat.GenericTypographic).Width;
|
|
g.DrawString(_lineNumberNotes[currentLine], _noteFont, numberBrush, marginLeft - width, positionY+this.Font.Size+3, StringFormat.GenericTypographic);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private void DrawLineText(Graphics g, int currentLine, int marginLeft, int positionY, string codeString, string addressString, string commentString, float codeStringLength, float addressStringLength, Color? textColor, int lineHeight)
|
|
{
|
|
DebugInfo info = ConfigManager.Config.DebugInfo;
|
|
|
|
if(codeString.StartsWith("__") && codeString.EndsWith("__") || codeString.StartsWith("--") && codeString.EndsWith("--")) {
|
|
//Draw block start/end
|
|
g.TranslateTransform(HorizontalScrollPosition * HorizontalScrollFactor, 0);
|
|
string text = codeString.Substring(2, codeString.Length - 4);
|
|
float yOffset = codeString.StartsWith("__") ? 2 : -2;
|
|
if(text.Length > 0) {
|
|
SizeF size = g.MeasureString(text, this._noteFont, int.MaxValue, StringFormat.GenericTypographic);
|
|
float textLength = size.Width;
|
|
float textHeight = size.Height;
|
|
float positionX = (marginLeft + this.Width - textLength) / 2;
|
|
g.DrawLine(Pens.Black, marginLeft, yOffset + positionY + lineHeight / 2, marginLeft + this.Width, yOffset + positionY + lineHeight / 2);
|
|
yOffset = codeString.StartsWith("__") ? 3 : 2;
|
|
g.FillRectangle(Brushes.White, positionX - 4, yOffset + positionY, textLength + 8, textHeight);
|
|
g.DrawRectangle(Pens.Black, positionX - 4, yOffset + positionY, textLength + 8, textHeight);
|
|
g.DrawString(text, this._noteFont, Brushes.Black, positionX, yOffset + positionY, StringFormat.GenericTypographic);
|
|
} else {
|
|
g.DrawLine(Pens.Black, marginLeft, yOffset + positionY + lineHeight / 2, marginLeft + this.Width, yOffset + positionY + lineHeight / 2);
|
|
}
|
|
g.TranslateTransform(-HorizontalScrollPosition * HorizontalScrollFactor, 0);
|
|
} else {
|
|
//Draw line content
|
|
int characterCount = 0;
|
|
Color defaultColor = Color.FromArgb(60, 60, 60);
|
|
if(codeString.Length > 0) {
|
|
Match match = _codeRegex.Match(codeString);
|
|
if(match.Success && !codeString.EndsWith(":")) {
|
|
string opcode = match.Groups[1].Value;
|
|
string invalidStar = match.Groups[2].Value;
|
|
string paren1 = match.Groups[3].Value;
|
|
string operand = match.Groups[4].Value;
|
|
string paren2 = match.Groups[8].Value;
|
|
string indirect = match.Groups[9].Value;
|
|
string paren3 = match.Groups[10].Value;
|
|
string rest = match.Groups[11].Value;
|
|
Color operandColor = operand.Length > 0 ? (operand[0] == '#' ? (Color)info.AssemblerImmediateColor : (operand[0] == '$' ? (Color)info.AssemblerAddressColor : (Color)info.AssemblerLabelDefinitionColor)) : Color.Black;
|
|
List<Color> colors = new List<Color>() { info.AssemblerOpcodeColor, defaultColor, defaultColor, defaultColor, operandColor, defaultColor, defaultColor, defaultColor };
|
|
int codePartCount = colors.Count;
|
|
|
|
List<string> parts = new List<string>() { opcode, invalidStar, " ", paren1, operand, paren2, indirect, paren3 };
|
|
string memoryAddress = "";
|
|
if(!string.IsNullOrWhiteSpace(addressString)) {
|
|
colors.Add(info.CodeEffectiveAddressColor);
|
|
parts.Add(addressString);
|
|
memoryAddress = addressString.Substring(3).Trim();
|
|
} else if(operand.Length > 0 && operand[0] != '#') {
|
|
memoryAddress = operand.Trim();
|
|
}
|
|
|
|
if(this.ShowMemoryValues && memoryAddress.Length > 0) {
|
|
int address = -1;
|
|
if(memoryAddress[0] == '$') {
|
|
Int32.TryParse(memoryAddress.Substring(1), System.Globalization.NumberStyles.AllowHexSpecifier, null, out address);
|
|
} else {
|
|
//Label
|
|
CodeLabel label = LabelManager.GetLabel(memoryAddress);
|
|
if(label != null) {
|
|
address = label.GetRelativeAddress();
|
|
}
|
|
}
|
|
|
|
if(address >= 0) {
|
|
colors.Add(defaultColor);
|
|
parts.Add(" = $" + InteropEmu.DebugGetMemoryValue(DebugMemoryType.CpuMemory, (UInt32)address).ToString("X2"));
|
|
}
|
|
}
|
|
|
|
//Display the rest of the line (used by trace logger)
|
|
colors.Add(defaultColor);
|
|
parts.Add(rest);
|
|
|
|
float xOffset = 0;
|
|
for(int i = 0; i < parts.Count; i++) {
|
|
using(Brush b = new SolidBrush(textColor.HasValue && i < codePartCount ? textColor.Value : colors[i])) {
|
|
g.DrawString(parts[i], this.Font, b, marginLeft + xOffset, positionY, StringFormat.GenericTypographic);
|
|
xOffset += g.MeasureString("".PadLeft(parts[i].Length, 'w'), this.Font, Point.Empty, StringFormat.GenericTypographic).Width;
|
|
characterCount += parts[i].Length;
|
|
}
|
|
}
|
|
codeStringLength = xOffset;
|
|
} else {
|
|
using(Brush fgBrush = new SolidBrush(codeString.EndsWith(":") ? (Color)info.AssemblerLabelDefinitionColor : (textColor ?? defaultColor))) {
|
|
g.DrawString(codeString, this.Font, fgBrush, marginLeft, positionY, StringFormat.GenericTypographic);
|
|
}
|
|
characterCount = codeString.Trim().Length;
|
|
}
|
|
}
|
|
|
|
|
|
if(!string.IsNullOrWhiteSpace(commentString)) {
|
|
using(Brush commentBrush = new SolidBrush(info.AssemblerCommentColor)) {
|
|
int padding = Math.Max(CommentSpacingCharCount, characterCount + 1);
|
|
if(characterCount == 0) {
|
|
//Draw comment left-aligned, next to the margin when there is no code on the line
|
|
padding = 0;
|
|
}
|
|
g.DrawString(commentString.PadLeft(padding+commentString.Length), this.Font, commentBrush, marginLeft, positionY, StringFormat.GenericTypographic);
|
|
}
|
|
}
|
|
|
|
if(this.ShowContentNotes && !this.ShowSingleContentLineNotes) {
|
|
g.DrawString(_contentNotes[currentLine], _noteFont, Brushes.Gray, marginLeft, positionY + this.Font.Size+3, StringFormat.GenericTypographic);
|
|
}
|
|
this.DrawHighlightedSearchString(g, codeString, marginLeft, positionY);
|
|
this.DrawHighlightedCompareString(g, codeString, currentLine, marginLeft, positionY);
|
|
}
|
|
}
|
|
|
|
private void DrawLineSymbols(Graphics g, int positionY, LineProperties lineProperties, int lineHeight)
|
|
{
|
|
int circleSize = lineHeight - 3;
|
|
if((circleSize % 2) == 1) {
|
|
circleSize++;
|
|
}
|
|
int circleOffsetY = positionY + 4;
|
|
int circleOffsetX = 3;
|
|
|
|
Action<Brush> drawPlus = (Brush b) => {
|
|
float barWidth = 2;
|
|
float centerPoint = circleSize / 2.0f - barWidth / 2.0f;
|
|
float barLength = circleSize - 6;
|
|
if((barLength % 2) == 1) {
|
|
barLength++;
|
|
}
|
|
float startOffset = (circleSize - barLength) / 2.0f;
|
|
|
|
g.FillRectangle(b, circleOffsetX + startOffset, circleOffsetY + centerPoint, barLength, barWidth);
|
|
g.FillRectangle(b, circleOffsetX + centerPoint, circleOffsetY + startOffset, barWidth, barLength);
|
|
};
|
|
|
|
if(lineProperties.Symbol.HasFlag(LineSymbol.Circle)) {
|
|
using(Brush brush = new SolidBrush(lineProperties.OutlineColor.Value)) {
|
|
g.FillEllipse(brush, 3, circleOffsetY, circleSize, circleSize);
|
|
}
|
|
if(lineProperties.Symbol.HasFlag(LineSymbol.Plus)) {
|
|
drawPlus(Brushes.White);
|
|
}
|
|
} else if(lineProperties.Symbol.HasFlag(LineSymbol.CircleOutline) && lineProperties.OutlineColor.HasValue) {
|
|
using(Pen pen = new Pen(lineProperties.OutlineColor.Value, 1)) {
|
|
g.DrawEllipse(pen, 3, circleOffsetY, circleSize, circleSize);
|
|
if(lineProperties.Symbol.HasFlag(LineSymbol.Plus)) {
|
|
using(Brush b = new SolidBrush(lineProperties.OutlineColor.Value)) {
|
|
drawPlus(b);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if(lineProperties.Symbol.HasFlag(LineSymbol.Mark)) {
|
|
using(Brush b = new SolidBrush(ConfigManager.Config.DebugInfo.EventViewerBreakpointColor)) {
|
|
g.FillEllipse(b, circleOffsetX + circleSize * 3 / 4, positionY + 1, lineHeight / 2.0f, lineHeight / 2.0f);
|
|
}
|
|
g.DrawEllipse(Pens.Black, circleOffsetX + circleSize * 3 / 4, positionY + 1, lineHeight / 2.0f, lineHeight / 2.0f);
|
|
}
|
|
|
|
if(lineProperties.Symbol.HasFlag(LineSymbol.Arrow)) {
|
|
if(Program.IsMono) {
|
|
int arrowY = positionY + lineHeight / 2 + 1;
|
|
using(Brush brush = new SolidBrush(lineProperties.TextBgColor.Value)) {
|
|
g.FillRectangle(brush, 1, arrowY - lineHeight * 0.25f / 2, lineHeight - 1, lineHeight * 0.35f);
|
|
}
|
|
g.DrawRectangle(Pens.Black, 1, arrowY - lineHeight * 0.25f / 2, lineHeight - 1, lineHeight * 0.35f);
|
|
} else {
|
|
float arrowY = circleOffsetY + circleSize / 2.0f;
|
|
g.TranslateTransform(2, 0);
|
|
using(Pen pen = new Pen(Color.Black, lineHeight * 0.33f)) {
|
|
//Outline
|
|
g.DrawLine(pen, 3, arrowY, 3 + lineHeight * 0.25f, arrowY);
|
|
pen.EndCap = System.Drawing.Drawing2D.LineCap.ArrowAnchor;
|
|
g.DrawLine(pen, 3 + lineHeight * 0.25f, arrowY, 3 + lineHeight * 0.75f, arrowY);
|
|
|
|
//Fill
|
|
pen.Width-=2f;
|
|
pen.Color = lineProperties.TextBgColor.Value;
|
|
pen.EndCap = System.Drawing.Drawing2D.LineCap.Square;
|
|
g.DrawLine(pen, 4, arrowY, 3 + lineHeight * 0.25f - 1, arrowY);
|
|
pen.EndCap = System.Drawing.Drawing2D.LineCap.ArrowAnchor;
|
|
g.DrawLine(pen, 3 + lineHeight * 0.25f, arrowY, lineHeight * 0.75f + 1, arrowY);
|
|
}
|
|
g.TranslateTransform(-2, 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
private void DrawHighlightedCompareString(Graphics g, string lineText, int currentLine, int marginLeft, int positionY)
|
|
{
|
|
if(_compareContents != null && _compareContents.Length > currentLine) {
|
|
string compareText = _compareContents[currentLine];
|
|
|
|
if(compareText != lineText) {
|
|
StringBuilder sb = new StringBuilder();
|
|
for(int i = 0, len = lineText.Length; i < len; i++) {
|
|
if(lineText[i] == compareText[i]) {
|
|
sb.Append(" ");
|
|
} else {
|
|
sb.Append(lineText[i]);
|
|
}
|
|
}
|
|
|
|
g.DrawString(sb.ToString(), new Font(this.Font, FontStyle.Bold), Brushes.Red, marginLeft, positionY, StringFormat.GenericTypographic);
|
|
}
|
|
}
|
|
}
|
|
|
|
private void DrawHighlightedSearchString(Graphics g, string lineText, int marginLeft, int positionY)
|
|
{
|
|
int searchIndex;
|
|
if(!string.IsNullOrWhiteSpace(this._searchString) && (searchIndex = lineText.ToLowerInvariant().IndexOf(this._searchString)) >= 0) {
|
|
//Draw colored search string
|
|
string lowerCaseText = lineText.ToLowerInvariant();
|
|
|
|
Action<bool> draw = (bool forBackground) => {
|
|
int index = searchIndex;
|
|
do {
|
|
string padding = string.Empty.PadLeft(index, 'A');
|
|
string highlightedText = lineText.Substring(index, this._searchString.Length);
|
|
index = lowerCaseText.IndexOf(this._searchString, index + this._searchString.Length);
|
|
|
|
SizeF size = g.MeasureString(highlightedText, this.Font, int.MaxValue, StringFormat.GenericTypographic);
|
|
SizeF offsetSize = g.MeasureString(padding, this.Font, int.MaxValue, StringFormat.GenericTypographic);
|
|
if(forBackground) {
|
|
g.FillRectangle(Brushes.CornflowerBlue, marginLeft + offsetSize.Width, positionY + 1, size.Width + 1, size.Height - 2);
|
|
} else {
|
|
g.DrawString(highlightedText, this.Font, Brushes.White, marginLeft + offsetSize.Width + 1, positionY, StringFormat.GenericTypographic);
|
|
}
|
|
} while(index >= 0);
|
|
};
|
|
|
|
draw(true);
|
|
draw(false);
|
|
}
|
|
}
|
|
|
|
private void DrawMargin(Graphics g, int currentLine, int marginLeft, int regularMargin, int positionY, int lineHeight)
|
|
{
|
|
LineProperties lineProperties = GetLineStyle(currentLine);
|
|
if(this.ShowLineNumbers) {
|
|
//Show line number
|
|
Color lineNumberColor = lineProperties != null && lineProperties.AddressColor.HasValue ? lineProperties.AddressColor.Value : Color.Gray;
|
|
this.DrawLineNumber(g, currentLine, regularMargin, positionY, lineNumberColor);
|
|
}
|
|
if(this.ShowContentNotes && this.ShowSingleContentLineNotes) {
|
|
g.DrawString(_contentNotes[currentLine], this.Font, Brushes.Gray, regularMargin + 6, positionY, StringFormat.GenericTypographic);
|
|
}
|
|
|
|
//Adjust background color highlights based on number of spaces in front of content
|
|
marginLeft += (LineIndentations != null ? LineIndentations[currentLine] : 0);
|
|
|
|
if(lineProperties != null) {
|
|
this.DrawLineSymbols(g, positionY, lineProperties, lineHeight);
|
|
}
|
|
}
|
|
|
|
protected override void OnPaint(PaintEventArgs pe)
|
|
{
|
|
int lineHeight = this.LineHeight;
|
|
pe.Graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;
|
|
Rectangle rect = this.ClientRectangle;
|
|
pe.Graphics.FillRectangle(Brushes.White, rect);
|
|
|
|
pe.Graphics.TranslateTransform(-HorizontalScrollPosition * HorizontalScrollFactor, 0);
|
|
|
|
int marginLeft = this.GetMargin(pe.Graphics, true);
|
|
int regularMargin = this.GetMargin(pe.Graphics, false);
|
|
int currentLine = this.ScrollPosition;
|
|
int positionY = 0;
|
|
|
|
if(!string.IsNullOrWhiteSpace(this._header)) {
|
|
using(Brush lightGrayBrush = new SolidBrush(Color.FromArgb(240, 240, 240))) {
|
|
pe.Graphics.FillRectangle(lightGrayBrush, marginLeft, 0, Math.Max(_maxLineWidth, rect.Right), lineHeight);
|
|
}
|
|
pe.Graphics.DrawString(_header, this.Font, Brushes.Gray, marginLeft, positionY);
|
|
positionY += lineHeight;
|
|
}
|
|
|
|
while(positionY < rect.Bottom && currentLine < _contents.Length) {
|
|
this.DrawLine(pe.Graphics, currentLine, marginLeft, positionY, lineHeight);
|
|
positionY += lineHeight;
|
|
currentLine++;
|
|
}
|
|
|
|
pe.Graphics.TranslateTransform(HorizontalScrollPosition * HorizontalScrollFactor, 0);
|
|
|
|
if(this.ShowLineNumbers) {
|
|
using(Brush brush = new SolidBrush(Color.FromArgb(235, 235, 235))) {
|
|
pe.Graphics.FillRectangle(brush, 0, 0, regularMargin, rect.Bottom);
|
|
}
|
|
using(Brush brush = new SolidBrush(Color.FromArgb(251, 251, 251))) {
|
|
pe.Graphics.FillRectangle(brush, regularMargin, 0, marginLeft - regularMargin, rect.Bottom);
|
|
}
|
|
|
|
using(Pen pen = new Pen(Color.LightGray)) {
|
|
pe.Graphics.DrawLine(pen, regularMargin, rect.Top, regularMargin, rect.Bottom);
|
|
pe.Graphics.DrawLine(pen, marginLeft, rect.Top, marginLeft, rect.Bottom);
|
|
}
|
|
}
|
|
|
|
currentLine = this.ScrollPosition;
|
|
positionY = string.IsNullOrWhiteSpace(this._header) ? 0 : lineHeight;
|
|
while(positionY < rect.Bottom && currentLine < _contents.Length) {
|
|
this.DrawMargin(pe.Graphics, currentLine, marginLeft, regularMargin, positionY, lineHeight);
|
|
positionY += lineHeight;
|
|
currentLine++;
|
|
}
|
|
}
|
|
}
|
|
}
|