void Update()
{
// HACK: Assuming that the dropdown would have more than three child
// objects while the menu is opened. Stop updating it while visible.
if (_dropdown.transform.childCount > 3)
{
return;
}
// Retrieve the Spout source names.
SpoutManager.GetSourceNames(_sourceNames);
// Update the current selection.
var index = _sourceNames.IndexOf(_receiver.sourceName);
if (index < 0)
{
// Append the current name to the list when it's not found.
index = _sourceNames.Count;
_sourceNames.Add(_receiver.sourceName);
}
// We don't like to receive callback while editing options.
_disableCallback = true;
// Update the menu options.
_dropdown.ClearOptions();
_dropdown.AddOptions(_sourceNames);
_dropdown.value = index;
_dropdown.RefreshShownValue();
// Resume receiving callback.
_disableCallback = false;
}
void Update()
{
// Do nothing if the menu is opened.
if (IsOpened)
{
return;
}
// Spout source name retrieval
_sourceNames = SpoutManager.GetSourceNames().ToList();
// Currect selection
var index = _sourceNames.IndexOf(_receiver.sourceName);
// Append the current name to the list if it's not found.
if (index < 0)
{
index = _sourceNames.Count;
_sourceNames.Add(_receiver.sourceName);
}
// Disable the callback while updating the menu options.
_disableCallback = true;
// Menu option update
_dropdown.ClearOptions();
_dropdown.AddOptions(_sourceNames);
_dropdown.value = index;
_dropdown.RefreshShownValue();
// Resume the callback.
_disableCallback = false;
}
// Create and show the source name dropdown.
void ShowSourceNameDropdown(Rect rect)
{
var menu = new GenericMenu();
var sources = SpoutManager.GetSourceNames();
if (sources.Length > 0)
{
foreach (var name in sources)
{
menu.AddItem(new GUIContent(name), false, OnSelectSource, name);
}
}
else
{
menu.AddItem(new GUIContent("No source available"), false, null);
}
menu.DropDown(rect);
}