/// <summary>
/// Pres the process wm key down.
/// </summary>
/// <param name="m">The m.</param>
/// <returns></returns>
public virtual bool PreProcessWmKeyDown(ref Message m)
{
System.Diagnostics.Debug.WriteLine("PreProcessWmKeyDown(ref Message m)", "KeyInterpreter");
Keys vc = (Keys)m.WParam.ToInt32();
Keys keyData = vc | Control.ModifierKeys;
switch (keyData)
{
case Keys.Left:
case Keys.Up:
case Keys.Right:
case Keys.Down:
case Keys.PageUp:
case Keys.PageDown:
case Keys.Left | Keys.Shift:
case Keys.Up | Keys.Shift:
case Keys.Right | Keys.Shift:
case Keys.Down | Keys.Shift:
case Keys.Tab:
case Keys.Back:
case Keys.Delete:
case Keys.Home:
case Keys.End:
case Keys.ShiftKey | Keys.Shift:
case Keys.C | Keys.Control:
case Keys.X | Keys.Control:
case Keys.V | Keys.Control:
if (RaiseKeyDown(keyData))
{
return(true);
}
break;
}
switch (keyData)
{
case Keys.Left: // move left
return(PreProcessWmKeyDown_Left(ref m));
case Keys.Up: // move up
return(PreProcessWmKeyDown_Up(ref m));
case Keys.Right: // move right
return(PreProcessWmKeyDown_Right(ref m));
case Keys.Down: // move down
return(PreProcessWmKeyDown_Down(ref m));
case Keys.PageUp: // move pageup
return(PreProcessWmKeyDown_PageUp(ref m));
case Keys.PageDown: // move pagedown
return(PreProcessWmKeyDown_PageDown(ref m));
case Keys.Left | Keys.Shift: // move left with selection
return(PreProcessWmKeyDown_ShiftLeft(ref m));
case Keys.Up | Keys.Shift: // move up with selection
return(PreProcessWmKeyDown_ShiftUp(ref m));
case Keys.Right | Keys.Shift: // move right with selection
return(PreProcessWmKeyDown_ShiftRight(ref m));
case Keys.Down | Keys.Shift: // move down with selection
return(PreProcessWmKeyDown_ShiftDown(ref m));
case Keys.Tab: // switch focus to string view
return(PreProcessWmKeyDown_Tab(ref m));
case Keys.Back: // back
return(PreProcessWmKeyDown_Back(ref m));
case Keys.Delete: // delete
return(PreProcessWmKeyDown_Delete(ref m));
case Keys.Home: // move to home
return(PreProcessWmKeyDown_Home(ref m));
case Keys.End: // move to end
return(PreProcessWmKeyDown_End(ref m));
case Keys.ShiftKey | Keys.Shift: // begin selection process
return(PreProcessWmKeyDown_ShiftShiftKey(ref m));
case Keys.C | Keys.Control: // copy
return(PreProcessWmKeyDown_ControlC(ref m));
case Keys.X | Keys.Control: // cut
return(PreProcessWmKeyDown_ControlX(ref m));
case Keys.V | Keys.Control: // paste
return(PreProcessWmKeyDown_ControlV(ref m));
default:
HexViewer.ScrollByteIntoView();
return(HexViewer.BasePreProcessMessage(ref m));
}
}
/// <summary>
/// Preprocesses WM_KEYUP window message.
/// </summary>
/// <param name="m">the Message object to process.</param>
/// <returns>True, if the message was processed.</returns>
public bool PreProcessWmKeyUp(ref Message m)
{
return(hexViewer.BasePreProcessMessage(ref m));
}
/// <summary>
/// Pres the process wm char.
/// </summary>
/// <param name="m">The m.</param>
/// <returns></returns>
public override bool PreProcessWmChar(ref Message m)
{
if (Control.ModifierKeys == Keys.Control)
{
return(HexViewer.BasePreProcessMessage(ref m));
}
bool sw = HexViewer._byteProvider.SupportsWriteByte;
bool si = HexViewer._byteProvider.SupportsInsertBytes;
bool sd = HexViewer._byteProvider.SupportsDeleteBytes;
long pos = HexViewer.bytePosition;
long sel = HexViewer._selectionLength;
int cp = HexViewer.byteCharacterPosition;
if ((!sw && pos != HexViewer._byteProvider.Length) ||
(!si && pos == HexViewer._byteProvider.Length))
{
return(HexViewer.BasePreProcessMessage(ref m));
}
char c = (char)m.WParam.ToInt32();
if (RaiseKeyPress(c))
{
return(true);
}
if (HexViewer.ReadOnly)
{
return(true);
}
bool isInsertMode = (pos == HexViewer._byteProvider.Length);
// do insert when insertActive = true
if (!isInsertMode && si && HexViewer._insertActive)
{
isInsertMode = true;
}
if (sd && si && sel > 0)
{
HexViewer._byteProvider.DeleteBytes(pos, sel);
isInsertMode = true;
cp = 0;
HexViewer.SetPosition(pos, cp);
}
HexViewer.ReleaseSelection();
if (isInsertMode)
{
HexViewer._byteProvider.InsertBytes(pos, new byte[] { (byte)c });
}
else
{
HexViewer._byteProvider.WriteByte(pos, (byte)c);
}
PerformPosMoveRightByte();
HexViewer.Invalidate();
return(true);
}
