private void OnMessageIntercepted(LowLevelMessage lowLevelMessage, ref bool handled)
{
LowLevelKeyboardMessage keyboardMessage = lowLevelMessage as LowLevelKeyboardMessage;
if (handled || keyboardMessage == null)
{
return;
}
if (!IsTabKeyDown(keyboardMessage))
{
return;
}
if (!IsKeyDown(_altKey))
{
return;
}
bool shiftKeyDown = IsKeyDown(_shiftKey);
bool ctrlKeyDown = IsKeyDown(_ctrlKey);
AltTabHookEventArgs eventArgs = OnPressed(shiftKeyDown, ctrlKeyDown);
handled = eventArgs.Handled;
}
private AltTabHookEventArgs OnPressed(bool shiftDown, bool ctrlDown)
{
AltTabHookEventArgs altTabHookEventArgs = new AltTabHookEventArgs {
ShiftDown = shiftDown, CtrlDown = ctrlDown
};
AltTabHookEventHandler handler = Pressed;
if (handler != null)
{
handler(this, altTabHookEventArgs);
}
return(altTabHookEventArgs);
}
private void AltTabPressed(object sender, AltTabHookEventArgs e)
{
if (!Settings.Default.AltTabHook)
{
// Ignore Alt+Tab presses if the hook is not activated by the user
return;
}
e.Handled = true;
if (Visibility != Visibility.Visible)
{
tb.IsEnabled = true;
_foregroundWindow = SystemWindow.ForegroundWindow;
ActivateAndFocusMainWindow();
Keyboard.Focus(tb);
if (e.ShiftDown)
{
LoadData(InitialFocus.PreviousItem);
}
else
{
LoadData(InitialFocus.NextItem);
}
if (Settings.Default.AutoSwitch && !e.CtrlDown)
{
_altTabAutoSwitch = true;
tb.IsEnabled = false;
tb.Text = "Press Alt + S to search";
}
Opacity = 1;
}
else
{
if (e.ShiftDown)
{
PreviousItem();
}
else
{
NextItem();
}
}
}