/// <summary>
/// Exit the menubar loop and clear all selections.
/// </summary>
static void Exit()
{
// Unselect old menubar selection
UnfocusMenuBarItem();
Console.ResetColor();
FilePanel.Update();
OffsetPanel.Initialize();
inMenu = false;
}
static void ReadKey()
{
ConsoleKeyInfo ck = Console.ReadKey(true);
oldY = Y;
oldX = X;
switch (ck.Key)
{
case ConsoleKey.Escape:
Exit();
return;
case ConsoleKey.UpArrow:
MoveUp();
break;
case ConsoleKey.DownArrow:
MoveDown();
break;
case ConsoleKey.LeftArrow:
MoveLeft();
Console.ResetColor();
OffsetPanel.Draw();
FilePanel.Update();
DrawSubMenu();
break;
case ConsoleKey.RightArrow:
MoveRight();
Console.ResetColor();
OffsetPanel.Draw();
FilePanel.Update();
DrawSubMenu();
break;
case ConsoleKey.Spacebar:
case ConsoleKey.Enter:
SelectItem();
break;
}
/*
* This 'if' is there due to calling Exit() from the item's
* Action, the stack pointer goes back to SelectItem, which
* then used to call Update(). So this is a sanity check.
*/
if (inMenu)
{
Update();
}
}
public static void PromptOffset()
{
string c = GetUserInput("Hex, Dec, Oct?");
if (c == null || c.Length < 1)
{
InfoPanel.Message("Canceled.");
FilePanel.Update();
return;
}
switch (c[0])
{
case 'H':
case 'h':
MainApp.OffsetView = OffsetView.Hex;
OffsetPanel.Update();
InfoPanel.Update();
break;
case 'O':
case 'o':
MainApp.OffsetView = OffsetView.Oct;
OffsetPanel.Update();
InfoPanel.Update();
break;
case 'D':
case 'd':
MainApp.OffsetView = OffsetView.Dec;
OffsetPanel.Update();
InfoPanel.Update();
break;
default:
InfoPanel.Message("Invalid view mode!");
break;
}
FilePanel.Update();
}
/// <summary>
/// Update the data onscreen from <see cref="DisplayBuffer"/>.
/// </summary>
public static void Update()
{
int width = Console.WindowWidth - 1;
long len = File.Length, pos = FileIO.Position;
//TODO: Check if we can do a little pointer-play with the buffer.
int d = 0, bpr = MainApp.BytesPerRow;
StringBuilder
line = new StringBuilder(width),
ascii = new StringBuilder(bpr);
OffsetPanel.Update();
Console.SetCursorPosition(0, StartPosition);
for (int i = 0; i < DisplayBuffer.Length; i += bpr)
{
line.Clear();
switch (MainApp.OffsetView)
{
default:
line.Append($"{pos + i:X8} ");
break;
case OffsetView.Dec:
line.Append($"{pos + i:D8} ");
break;
case OffsetView.Oct:
line.Append($"{MainApp.ToOct(pos + i, 8)} ");
break;
}
ascii.Clear();
if (pos + i + bpr < len)
{
for (int bi = 0; bi < bpr; ++bi, ++d)
{
line.Append($"{DisplayBuffer[d]:X2} ");
ascii.Append(DisplayBuffer[d].ToAscii());
}
Console.Write(line.ToString());
Console.Write(' '); // In case of "over FFFF_FFFFh" padding
Console.Write(ascii.ToString());
Console.WriteLine(' ');
}
else
{
long h = len - (pos + i);
for (int bi = 0; bi < h; ++bi, ++d)
{
line.Append($"{DisplayBuffer[d]:X2} ");
ascii.Append(DisplayBuffer[d].ToAscii());
}
Console.Write(line.ToString());
Console.SetCursorPosition(Console.WindowWidth - bpr - 5, Console.CursorTop);
Console.Write(ascii.ToString());
return;
}
}
}
