/// <summary>
/// Checks if the dead key is down.
/// If there is multiple dead keys, drop the action.
/// </summary>
/// <returns><c>true</c>, if dead key is down, <c>false</c> otherwise.</returns>
/// <param name="keyboardState">Keyboard state.</param>
/// <param name="deadKey">Dead key.</param>
bool CheckDeadKey(KeyboardState keyboardState, DeadKeys deadKey)
{
bool altDown = keyboardState.IsKeyDown(Keys.LeftAlt) || keyboardState.IsKeyDown(Keys.RightAlt);
bool shiftDown = keyboardState.IsKeyDown(Keys.LeftShift) || keyboardState.IsKeyDown(Keys.RightShift);
bool controlDown = keyboardState.IsKeyDown(Keys.LeftControl) || keyboardState.IsKeyDown(Keys.LeftControl);
if (deadKey == DeadKeys.None)
{
if (!altDown && !shiftDown && !controlDown)
{
return(true);
}
return(false);
}
// Makes sure there is only one dead key pressed.
if (altDown ? (!shiftDown && !controlDown) : (shiftDown ^ controlDown))
{
switch (deadKey)
{
case DeadKeys.Alt:
if (altDown)
{
return(true);
}
break;
case DeadKeys.Shift:
if (shiftDown)
{
return(true);
}
break;
case DeadKeys.Control:
if (controlDown)
{
return(true);
}
break;
case DeadKeys.None:
return(true);
}
}
return(false);
}
/// <summary>
/// Checks if the dead key is down.
/// If there is multiple dead keys, drop the action.
/// </summary>
/// <returns><c>true</c>, if dead key is down, <c>false</c> otherwise.</returns>
/// <param name="keyboardState">Keyboard state.</param>
/// <param name="deadKey">Dead key.</param>
bool CheckDeadKey(KeyboardState keyboardState, DeadKeys deadKey)
{
bool altDown = keyboardState.IsKeyDown(Keys.LeftAlt) || keyboardState.IsKeyDown(Keys.RightAlt);
bool shiftDown = keyboardState.IsKeyDown(Keys.LeftShift) || keyboardState.IsKeyDown(Keys.RightShift);
bool controlDown = keyboardState.IsKeyDown(Keys.LeftControl) || keyboardState.IsKeyDown(Keys.LeftControl);
if (deadKey == DeadKeys.None) {
if (!altDown && !shiftDown && !controlDown) {
return true;
}
return false;
}
// Makes sure there is only one dead key pressed.
if (altDown ? (!shiftDown && !controlDown) : (shiftDown ^ controlDown)) {
switch (deadKey) {
case DeadKeys.Alt:
if (altDown) {
return true;
}
break;
case DeadKeys.Shift:
if (shiftDown) {
return true;
}
break;
case DeadKeys.Control:
if (controlDown) {
return true;
}
break;
case DeadKeys.None:
return true;
}
}
return false;
}