private void OnKeyPress(object sender, KeyMapperKeyPressedEventArgs e)
{
int scancode = e.Key.Scancode;
int extended = e.Key.Extended;
if (capturingFromKey)
{
// Have we been sent a dud??
if (scancode == 0)
{
// Can't use a disabled key as From
map = new KeyMapping();
}
else
{
SetMapToBlankMapping(scancode, extended);
}
}
else
{
// Can't tell from the passed key whether it's mapped or not as
// if it is, we get the mapped scancode and have no way of telling
// what the original key was (it's possible 2 keys could be mapped to the
// same key, meaning can't just do a reverse lookup.)
// So, mapping to a mapped key is de facto allowed.
map = new KeyMapping(map.From, new Key(scancode, extended));
}
SetupForm();
}
private void ReceiveKeyPress(object sender, KeyMapperKeyPressedEventArgs e)
{
if (e != null)
{
KBHookStruct key = e.Key;
// Because we are intercepting a keypress before it is processed, can't ask
// what state the keyboard is in using Form.IsKeySet or WIN32API funcs like
// GetKeyState. So, using fields for the state of each key.
// (In fact, the only thing this achieves is live updating of the Toggle Lock Menu if user presses
// a lock key while menu is open. It's a small thing, but would be a shame to lose it)
switch (key.VirtualKeyCode)
{
case (int)KeyboardHelper.ToggleKey.CapsLock:
_isCapsLockOn = !_isCapsLockOn;
SetToggleMenuButtonStates();
break;
case (int)KeyboardHelper.ToggleKey.NumLock:
_isNumLockOn = !_isNumLockOn;
SetToggleMenuButtonStates();
break;
case (int)KeyboardHelper.ToggleKey.ScrollLock:
_isScrollLockOn = !_isScrollLockOn;
if (_isScrollLockOn != Form.IsKeyLocked(Keys.Scroll))
{
SetToggleMenuButtonStates();
}
break;
}
}
}
