private void SyncModifierKeyState(KeyboardHook.ModifierKeys modifierKeys)
{
if ((PreviousModifierKeyState & KeyboardHook.ModifierKeys.LeftShift) !=
(modifierKeys & KeyboardHook.ModifierKeys.LeftShift))
{
vnc.WriteKeyboardEvent(RfbProtocol.XK_Shift_L,
(modifierKeys & KeyboardHook.ModifierKeys.LeftShift) != 0);
}
if ((PreviousModifierKeyState & KeyboardHook.ModifierKeys.RightShift) !=
(modifierKeys & KeyboardHook.ModifierKeys.RightShift))
{
vnc.WriteKeyboardEvent(RfbProtocol.XK_Shift_R,
(modifierKeys & KeyboardHook.ModifierKeys.RightShift) != 0);
}
if ((PreviousModifierKeyState & KeyboardHook.ModifierKeys.LeftControl) !=
(modifierKeys & KeyboardHook.ModifierKeys.LeftControl))
{
vnc.WriteKeyboardEvent(RfbProtocol.XK_Control_L,
(modifierKeys & KeyboardHook.ModifierKeys.LeftControl) != 0);
}
if ((PreviousModifierKeyState & KeyboardHook.ModifierKeys.RightControl) !=
(modifierKeys & KeyboardHook.ModifierKeys.RightControl))
{
vnc.WriteKeyboardEvent(RfbProtocol.XK_Control_R,
(modifierKeys & KeyboardHook.ModifierKeys.RightControl) != 0);
}
if ((PreviousModifierKeyState & KeyboardHook.ModifierKeys.LeftAlt) !=
(modifierKeys & KeyboardHook.ModifierKeys.LeftAlt))
{
vnc.WriteKeyboardEvent(RfbProtocol.XK_Alt_L, (modifierKeys & KeyboardHook.ModifierKeys.LeftAlt) != 0);
}
if ((PreviousModifierKeyState & KeyboardHook.ModifierKeys.RightAlt) !=
(modifierKeys & KeyboardHook.ModifierKeys.RightAlt))
{
vnc.WriteKeyboardEvent(RfbProtocol.XK_Alt_R, (modifierKeys & KeyboardHook.ModifierKeys.RightAlt) != 0);
}
if ((PreviousModifierKeyState & KeyboardHook.ModifierKeys.LeftWin) !=
(modifierKeys & KeyboardHook.ModifierKeys.LeftWin))
{
vnc.WriteKeyboardEvent(RfbProtocol.XK_Super_L, (modifierKeys & KeyboardHook.ModifierKeys.LeftWin) != 0);
}
if ((PreviousModifierKeyState & KeyboardHook.ModifierKeys.RightWin) !=
(modifierKeys & KeyboardHook.ModifierKeys.RightWin))
{
vnc.WriteKeyboardEvent(RfbProtocol.XK_Super_R,
(modifierKeys & KeyboardHook.ModifierKeys.RightWin) != 0);
}
PreviousModifierKeyState = modifierKeys;
}
// Thanks to Lionel Cuir, Christian and the other developers at
// Aulofee.com for cleaning-up my keyboard code, specifically:
// ManageKeyDownAndKeyUp, OnKeyPress, OnKeyUp, OnKeyDown.
private void ManageKeyDownAndKeyUp(KeyEventArgs e, bool isDown)
{
UInt32 keyChar;
bool isProcessed = true;
switch (e.KeyCode)
{
case Keys.Tab: keyChar = 0x0000FF09; break;
case Keys.Enter: keyChar = 0x0000FF0D; break;
case Keys.Escape: keyChar = 0x0000FF1B; break;
case Keys.Home: keyChar = 0x0000FF50; break;
case Keys.Left: keyChar = 0x0000FF51; break;
case Keys.Up: keyChar = 0x0000FF52; break;
case Keys.Right: keyChar = 0x0000FF53; break;
case Keys.Down: keyChar = 0x0000FF54; break;
case Keys.PageUp: keyChar = 0x0000FF55; break;
case Keys.PageDown: keyChar = 0x0000FF56; break;
case Keys.End: keyChar = 0x0000FF57; break;
case Keys.Insert: keyChar = 0x0000FF63; break;
case Keys.ShiftKey: keyChar = 0x0000FFE1; break;
// BUG FIX -- added proper Alt/CTRL support (Edward Cooke)
case Keys.Alt: keyChar = 0x0000FFE9; break;
case Keys.ControlKey: keyChar = 0x0000FFE3; break;
case Keys.LControlKey: keyChar = 0x0000FFE3; break;
case Keys.RControlKey: keyChar = 0x0000FFE4; break;
case Keys.Menu: keyChar = 0x0000FFE9; break;
case Keys.Delete: keyChar = 0x0000FFFF; break;
case Keys.LWin: keyChar = 0x0000FFEB; break;
case Keys.RWin: keyChar = 0x0000FFEC; break;
case Keys.Apps: keyChar = 0x0000FFEE; break;
case Keys.F1:
case Keys.F2:
case Keys.F3:
case Keys.F4:
case Keys.F5:
case Keys.F6:
case Keys.F7:
case Keys.F8:
case Keys.F9:
case Keys.F10:
case Keys.F11:
case Keys.F12:
keyChar = 0x0000FFBE + ((UInt32)e.KeyCode - (UInt32)Keys.F1);
break;
default:
keyChar = 0;
isProcessed = false;
break;
}
if (isProcessed)
{
vnc.WriteKeyboardEvent(keyChar, isDown);
e.Handled = true;
}
}
