void Tooltip::updateSelf(float elapsed)
{
// base class processing.
Window::updateSelf(elapsed);
// do something based upon current Tooltip state.
switch (d_state)
{
case Inactive:
doInactiveState(elapsed);
break;
case Active:
doActiveState(elapsed);
break;
case FadeIn:
doFadeInState(elapsed);
break;
case FadeOut:
doFadeOutState(elapsed);
break;
default:
// This should never happen.
Logger::getSingleton().logEvent("Tooltip (Name: " + getName() + "of Class: " + getType() + ") is in an unknown state. Switching to Inactive state.", Errors);
switchToInactiveState();
}
}
void Tooltip::doActiveState(float elapsed)
{
// if no target, switch immediately to inactive state.
if (!d_target || d_target->getTooltipText().empty())
{
// hide immediately since the text is empty
hide();
switchToInactiveState();
}
// else see if display timeout has been reached
else if ((d_displayTime > 0) && ((d_elapsed += elapsed) >= d_displayTime))
{
// display time is up, switch states
switchToInactiveState();
}
}
void Tooltip::doFadeOutState(float elapsed)
{
// if no target, switch immediately to inactive state.
if (!d_target || d_target->getTooltipText().empty())
{
switchToInactiveState();
}
else
{
if ((d_elapsed += elapsed) >= d_fadeTime)
{
setAlpha(0.0f);
switchToInactiveState();
}
else
{
setAlpha(1.0f - (1.0f / d_fadeTime) * d_elapsed);
}
}
}
Tooltip::Tooltip(const String& type, const String& name) :
Window(type, name)
{
d_hoverTime = 0.4f;
d_displayTime = 7.5f;
d_fadeTime = 0.33f;
addTooltipProperties();
setClippedByParent(false);
setDestroyedByParent(false);
setAlwaysOnTop(true);
switchToInactiveState();
}
