BizHawk/BizHawk.MultiClient/tools/MemoryViewer.cs

568 lines
13 KiB
C#

using System;
using System.Drawing;
using System.Windows.Forms;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Globalization;
namespace BizHawk.MultiClient
{
public class MemoryViewer : Panel
{
//TODO: highlighting and address determining for 2 & 4 byte viewing
//2 & 4 byte typing in
//show nibbles on top of highlighted address
//Multi-highlight
//different back color for frozen addresses
public VScrollBar vScrollBar1;
//public Label info;
string info = "";
MemoryDomain Domain = new MemoryDomain("NULL", 1024, Endian.Little, addr => { return 0; }, (a, v) => { v = 0; });
Font font = new Font("Courier New", 8);
public Brush highlightBrush = Brushes.LightBlue;
int RowsVisible = 0;
int DataSize = 1;
public bool BigEndian = false;
string Header = "";
int NumDigits = 4;
char[] nibbles = { 'G', 'G', 'G', 'G' }; //G = off 0-9 & A-F are acceptable values
int addressHighlighted = -1;
int addressOver = -1;
int addrOffset = 0; //If addresses are > 4 digits, this offset is how much the columns are moved to the right
int maxRow = 0;
const int rowX = 1;
const int rowY = 4;
const int rowYoffset = 20;
public bool BlazingFast = false;
public MemoryViewer()
{
SetStyle(ControlStyles.AllPaintingInWmPaint, true);
SetStyle(ControlStyles.UserPaint, true);
SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
this.BorderStyle = BorderStyle.Fixed3D;
this.MouseMove += new System.Windows.Forms.MouseEventHandler(this.MemoryViewer_MouseMove);
this.MouseClick += new System.Windows.Forms.MouseEventHandler(this.MemoryViewer_MouseClick);
this.vScrollBar1 = new VScrollBar();
Point n = new Point(this.Size);
this.vScrollBar1.Location = new System.Drawing.Point(n.X - 16, n.Y - this.Height + 7);
this.vScrollBar1.Height = this.Height - 8;
this.vScrollBar1.Width = 16;
this.vScrollBar1.Visible = true;
this.vScrollBar1.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Right)));
this.vScrollBar1.LargeChange = 16;
this.vScrollBar1.Name = "vScrollBar1";
this.vScrollBar1.TabIndex = 0;
this.vScrollBar1.Scroll += new System.Windows.Forms.ScrollEventHandler(this.vScrollBar1_Scroll);
this.Controls.Add(this.vScrollBar1);
SetHeader();
}
protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
{
if (keyData == Keys.Up)
{
GoToAddress(addressHighlighted - 16);
}
else if (keyData == Keys.Down)
{
GoToAddress(addressHighlighted + 16);
}
else if (keyData == Keys.Left)
{
GoToAddress(addressHighlighted - 1);
}
else if (keyData == Keys.Right)
{
GoToAddress(addressHighlighted + 1);
}
else if (keyData == Keys.Tab)
{
addressHighlighted += 8;
this.Refresh();
}
else if (keyData == Keys.PageDown)
{
GoToAddress(addressHighlighted + (RowsVisible * 16));
}
else if (keyData == Keys.PageUp)
{
GoToAddress(addressHighlighted - (RowsVisible * 16));
}
else if (keyData == Keys.Home)
{
GoToAddress(0);
}
else if (keyData == Keys.End)
{
GoToAddress(GetSize() - 1);
}
return true;
}
private void ClearNibbles()
{
for (int x = 0; x < 4; x++)
nibbles[x] = 'G';
}
protected override void OnKeyUp(KeyEventArgs e)
{
if (!InputValidate.IsValidHexNumber(((char)e.KeyCode).ToString()))
{
if (e.Control && e.KeyCode == Keys.G)
GoToSpecifiedAddress();
e.Handled = true;
return;
}
//TODO: 2 byte & 4 byte
if (nibbles[0] == 'G')
{
nibbles[0] = (char)e.KeyCode;
info = nibbles[0].ToString();
}
else
{
string temp = nibbles[0].ToString() + ((char)e.KeyCode).ToString();
int x = int.Parse(temp, NumberStyles.HexNumber);
Domain.PokeByte(addressHighlighted, (byte)x);
ClearNibbles();
SetHighlighted(addressHighlighted + 1);
this.Refresh();
}
base.OnKeyUp(e);
}
public void SetHighlighted(int addr)
{
if (addr < 0)
addr = 0;
if (addr >= Domain.Size)
addr = Domain.Size - 1;
if (!IsVisible(addr))
{
int v = (addr / 16) - RowsVisible + 1;
if (v < 0)
v = 0;
vScrollBar1.Value = v;
}
addressHighlighted = addr;
addressOver = addr;
info = String.Format("{0:X4}", addressOver);
Refresh();
}
int row = 0;
int addr = 0;
protected override void OnPaint(PaintEventArgs e)
{
unchecked
{
row = 0;
addr = 0;
StringBuilder rowStr = new StringBuilder("");
addrOffset = (NumDigits % 4) * 9;
if (addressHighlighted >= 0 && IsVisible(addressHighlighted))
{
int left = ((addressHighlighted % 16) * 20) + 52 + addrOffset - (addressHighlighted % 4);
int top = (((addressHighlighted / 16) - vScrollBar1.Value) * (font.Height - 1)) + 36;
Rectangle rect = new Rectangle(left, top, 16, 14);
e.Graphics.DrawRectangle(new Pen(highlightBrush), rect);
e.Graphics.FillRectangle(highlightBrush, rect);
}
rowStr.Append(Domain.Name + " " + info + '\n');
rowStr.Append(Header + '\n');
for (int i = 0; i < RowsVisible; i++)
{
row = i + vScrollBar1.Value;
if (row * 16 >= Domain.Size)
break;
rowStr.AppendFormat("{0:X" + NumDigits + "} ", row * 16);
switch (DataSize)
{
default:
case 1:
addr = (row * 16);
for (int j = 0; j < 16; j++)
{
if (addr + j < Domain.Size)
rowStr.AppendFormat("{0:X2} ", Domain.PeekByte(addr + j));
}
rowStr.Append(" | ");
for (int k = 0; k < 16; k++)
{
rowStr.Append(Remap(Domain.PeekByte(addr + k)));
}
rowStr.AppendLine();
break;
case 2:
addr = (row * 16);
for (int j = 0; j < 16; j += 2)
{
if (addr + j < Domain.Size)
rowStr.AppendFormat("{0:X4} ", MakeValue(addr + j, DataSize, BigEndian));
}
rowStr.AppendLine();
rowStr.Append(" | ");
for (int k = 0; k < 16; k++)
{
rowStr.Append(Remap(Domain.PeekByte(addr + k)));
}
break;
case 4:
addr = (row * 16);
for (int j = 0; j < 16; j += 4)
{
if (addr < Domain.Size)
rowStr.AppendFormat("{0:X8} ", MakeValue(addr + j, DataSize, BigEndian));
}
rowStr.AppendLine();
rowStr.Append(" | ");
for (int k = 0; k < 16; k++)
{
rowStr.Append(Remap(Domain.PeekByte(addr + k)));
}
break;
}
}
e.Graphics.DrawString(rowStr.ToString(), font, Brushes.Black, new Point(rowX, rowY));
}
}
static char Remap(byte val)
{
unchecked
{
if (val < ' ') return '.';
else if (val >= 0x80) return '.';
else return (char)val;
}
}
private int MakeValue(int addr, int size, bool Bigendian)
{
unchecked
{
int x = 0;
if (size == 1 || size == 2 || size == 4)
{
switch (size)
{
case 1:
x = Domain.PeekByte(addr);
break;
case 2:
x = MakeWord(addr, Bigendian);
break;
case 4:
x = (MakeWord(addr, Bigendian) * 65536) +
MakeWord(addr + 2, Bigendian);
break;
}
return x;
}
else
return 0; //fail
}
}
private int MakeWord(int addr, bool endian)
{
unchecked
{
if (endian)
return Domain.PeekByte(addr) + (Domain.PeekByte(addr + 1) * 255);
else
return (Domain.PeekByte(addr) * 255) + Domain.PeekByte(addr + 1);
}
}
public void ResetScrollBar()
{
vScrollBar1.Value = 0;
SetUpScrollBar();
Refresh();
}
public void SetUpScrollBar()
{
RowsVisible = ((this.Height - 8) / 13) - 1;
int totalRows = Domain.Size / 16;
int MaxRows = (totalRows - RowsVisible) + 16;
if (MaxRows > 0)
{
vScrollBar1.Visible = true;
if (vScrollBar1.Value > MaxRows)
vScrollBar1.Value = MaxRows;
vScrollBar1.Maximum = MaxRows;
}
else
vScrollBar1.Visible = false;
}
public void SetMemoryDomain(MemoryDomain d)
{
Domain = d;
maxRow = Domain.Size / 2;
SetUpScrollBar();
vScrollBar1.Value = 0;
Refresh();
}
public string GetMemoryDomainStr()
{
return Domain.ToString();
}
private void vScrollBar1_Scroll(object sender, ScrollEventArgs e)
{
this.SetUpScrollBar();
this.Refresh();
}
public void SetDataSize(int size)
{
if (size == 1 || size == 2 || size == 4)
DataSize = size;
SetHeader();
}
private void SetHeader()
{
switch (DataSize)
{
case 1:
Header = " 0 1 2 3 4 5 6 7 8 9 A B C D E F";
break;
case 2:
Header = " 0 2 4 6 8 A C E";
break;
case 4:
Header = " 0 4 8 C";
break;
}
NumDigits = GetNumDigits(Domain.Size);
}
public int GetDataSize()
{
return DataSize;
}
private int GetNumDigits(Int32 i)
{
unchecked
{
if (i <= 0x10000) return 4;
if (i <= 0x1000000) return 6;
else return 8;
}
}
private void SetAddressOver(int x, int y)
{
//Scroll value determines the first row
int row = vScrollBar1.Value;
row += (y - 36) / (font.Height - 1);
int column = (x - (49 + addrOffset)) / 20;
//TODO: 2 & 4 byte views
if (row >= 0 && row <= maxRow && column >= 0 && column < 16)
{
addressOver = row * 16 + column;
info = String.Format("{0:X4}", addressOver);
}
else
{
addressOver = -1;
info = "";
}
}
private void MemoryViewer_MouseMove(object sender, MouseEventArgs e)
{
SetAddressOver(e.X, e.Y);
}
public void HighlightPointed()
{
if (addressOver >= 0)
{
addressHighlighted = addressOver;
}
else
addressHighlighted = -1;
ClearNibbles();
this.Focus();
this.Refresh();
}
private void MemoryViewer_MouseClick(object sender, MouseEventArgs e)
{
SetAddressOver(e.X, e.Y);
if (addressOver == addressHighlighted && addressOver >= 0)
{
addressHighlighted = -1;
this.Refresh();
}
else
HighlightPointed();
}
public int GetPointedAddress()
{
if (addressOver >= 0)
return addressOver;
else
return -1; //Negative = no address pointed
}
public int GetHighlightedAddress()
{
if (addressHighlighted >= 0)
return addressHighlighted;
else
return -1; //Negative = no address highlighted
}
public bool IsVisible(int addr)
{
unchecked
{
int row = addr >> 4;
if (row >= vScrollBar1.Value && row < (RowsVisible + vScrollBar1.Value))
return true;
else
return false;
}
}
public void PokeHighlighted(int value)
{
//TODO: 2 byte & 4 byte
if (addressHighlighted >= 0)
Domain.PokeByte(addressHighlighted, (byte)value);
}
public int GetSize()
{
return Domain.Size;
}
public byte GetPointedValue()
{
return Domain.PeekByte(addressOver);
}
public MemoryDomain GetDomain()
{
return Domain;
}
public void GoToAddress(int address)
{
if (address < 0)
address = 0;
if (address >= GetSize())
address = GetSize() - 1;
SetHighlighted(address);
ClearNibbles();
Refresh();
}
public void GoToSpecifiedAddress()
{
InputPrompt i = new InputPrompt();
i.Text = "Go to Address";
i.SetMessage("Enter a hexadecimal value");
Global.Sound.StopSound();
i.ShowDialog();
Global.Sound.StartSound();
if (i.UserOK)
{
if (InputValidate.IsValidHexNumber(i.UserText))
{
GoToAddress(int.Parse(i.UserText, NumberStyles.HexNumber));
}
}
}
protected override void WndProc(ref System.Windows.Forms.Message m)
{
switch (m.Msg)
{
case 0x0201: //WM_LBUTTONDOWN
{
this.Focus();
return;
}
//case 0x0202://WM_LBUTTONUP
//{
// return;
//}
case 0x0203://WM_LBUTTONDBLCLK
{
return;
}
case 0x0204://WM_RBUTTONDOWN
{
return;
}
case 0x0205://WM_RBUTTONUP
{
return;
}
case 0x0206://WM_RBUTTONDBLCLK
{
return;
}
case 0x0014: //WM_ERASEBKGND
if (BlazingFast)
{
m.Result = new IntPtr(1);
}
break;
}
base.WndProc(ref m);
}
}
}