129 lines
4.7 KiB
C#
129 lines
4.7 KiB
C#
using System;
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using System.Drawing;
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using System.Windows.Forms;
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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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namespace BizHawk.MultiClient
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{
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public class MemoryViewer : GroupBox
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{
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//TODO: refactor so parent never needs to call setscrollbars (put in reset method?)
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//think about scrollbar = 0, there needs to be a way for the parent to set that separately from scrollbars
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//data size variable, and adjust drawing based on it, and a method for parent to set it
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public VScrollBar vScrollBar1;
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MemoryDomain Domain = new MemoryDomain("NULL", 1, Endian.Little, addr => 0, (a, v) => { });
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Font font = new Font("Courier New", 10);
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Brush regBrush = Brushes.Black;
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int RowsVisible = 0;
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const string HEADER = " 0 1 2 3 4 5 6 7 8 9 A B C D E F"; //TODO: not constant, must deal with bite size
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public MemoryViewer()
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{
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SetStyle(ControlStyles.AllPaintingInWmPaint, true);
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SetStyle(ControlStyles.UserPaint, true);
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SetStyle(ControlStyles.DoubleBuffer, true);
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this.Paint += new System.Windows.Forms.PaintEventHandler(this.MemoryViewer_Paint);
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this.vScrollBar1 = new VScrollBar();
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Point n = new Point(this.Size);
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this.vScrollBar1.Location = new System.Drawing.Point(n.X-18, n.Y-this.Height+7);
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this.vScrollBar1.Height = this.Height-8;
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this.vScrollBar1.Width = 16;
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this.vScrollBar1.Visible = true;
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this.vScrollBar1.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
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| System.Windows.Forms.AnchorStyles.Right)));
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this.vScrollBar1.LargeChange = 16;
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this.vScrollBar1.Name = "vScrollBar1";
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this.vScrollBar1.TabIndex = 0;
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this.vScrollBar1.Scroll += new System.Windows.Forms.ScrollEventHandler(this.vScrollBar1_Scroll);
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this.Controls.Add(this.vScrollBar1);
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}
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//protected unsafe override void OnPaint(PaintEventArgs e)
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private void Display(Graphics g)
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{
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unchecked
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{
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int row = 0;
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int rowX = 8;
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int rowY = 16;
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int rowYoffset = 20;
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string rowStr = "";
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int addr = 0;
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g.DrawString(HEADER, font, regBrush, new Point(rowX, rowY));
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g.DrawLine(new Pen(regBrush), this.Left + 38, this.Top, this.Left + 38, this.Bottom - 40);
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g.DrawLine(new Pen(regBrush), this.Left, 34, this.Right - 16, 34);
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for (int i = 0; i < RowsVisible; i++)
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{
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row = i + vScrollBar1.Value;
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rowStr = String.Format("{0:X4}", row * 16) + " "; //TODO: num digits based on size of domain
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for (int j = 0; j < 16; j++)
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{
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addr = (row * 16) + j;
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if (addr < Domain.Size)
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rowStr += String.Format("{0:X2}", Domain.PeekByte(addr)) + " "; //TODO: format based on data size
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}
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if (row * 16 < Domain.Size)
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g.DrawString(rowStr, font, regBrush, new Point(rowX, (rowY * (i + 1)) + rowYoffset));
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}
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}
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}
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public void ResetScrollBar()
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{
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vScrollBar1.Value = 0;
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Refresh();
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}
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public void SetUpScrollBar()
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{
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RowsVisible = this.Height / 16;
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int totalRows = Domain.Size / 16;
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int MaxRows = (totalRows - RowsVisible) + 17;
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if (MaxRows > 0)
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{
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vScrollBar1.Visible = true;
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if (vScrollBar1.Value > MaxRows)
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vScrollBar1.Value = MaxRows;
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vScrollBar1.Maximum = MaxRows;
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}
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else
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vScrollBar1.Visible = false;
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}
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public void SetMemoryDomain(MemoryDomain d)
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{
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Domain = d;
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SetUpScrollBar();
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vScrollBar1.Value = 0;
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Refresh();
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}
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public string GetMemoryDomainStr()
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{
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return Domain.ToString();
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}
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private void vScrollBar1_Scroll(object sender, ScrollEventArgs e)
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{
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this.SetUpScrollBar();
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this.Refresh();
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}
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private void MemoryViewer_Paint(object sender, PaintEventArgs e)
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{
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Display(e.Graphics);
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}
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}
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}
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