// Helper function to automatically create an option list of an enum object.
private static CameraDevice.FocusMode EnumOptionList(
CameraDevice.FocusMode setMode)
{
Type modeType = setMode.GetType();
// Get possible enum values.
CameraDevice.FocusMode[] modes =
(CameraDevice.FocusMode[])Enum.GetValues(modeType);
// Setup style for list.
GUIStyle optionListStyle = new GUIStyle(GUI.skin.button);
optionListStyle.stretchHeight = true;
optionListStyle.stretchWidth = true;
// Setup style for toggles.
// We use "button" style as template because default toggles are too
// small.
GUIStyle toggleStyle = new GUIStyle(GUI.skin.button);
toggleStyle.stretchHeight = true;
toggleStyle.stretchWidth = true;
toggleStyle.normal.textColor = Color.gray;
toggleStyle.onNormal.textColor = Color.gray;
toggleStyle.focused.textColor = Color.gray;
toggleStyle.onFocused.textColor = Color.gray;
toggleStyle.active.textColor = Color.gray;
toggleStyle.onActive.textColor = Color.gray;
toggleStyle.hover.textColor = Color.gray;
toggleStyle.onHover.textColor = Color.gray;
// Setup style for active toggle.
// Setting active values for the toggle Style does not work so we create
// another style.
GUIStyle activeToggleStyle = new GUIStyle(toggleStyle);
activeToggleStyle.normal.textColor = Color.white;
activeToggleStyle.onNormal.textColor = Color.white;
activeToggleStyle.focused.textColor = Color.white;
activeToggleStyle.onFocused.textColor = Color.white;
activeToggleStyle.active.textColor = Color.white;
activeToggleStyle.onActive.textColor = Color.white;
activeToggleStyle.hover.textColor = Color.white;
activeToggleStyle.onHover.textColor = Color.white;
CameraDevice.FocusMode newMode = setMode;
// We render the menu over the full screen.
GUILayout.BeginArea(new Rect(0, 0, Screen.width, Screen.height));
GUILayout.BeginVertical();
foreach (CameraDevice.FocusMode mode in modes)
{
if (mode == setMode)
{
GUILayout.Toggle(true, mode.ToString(), activeToggleStyle);
}
else
{
if (GUILayout.Toggle(false, mode.ToString(), toggleStyle))
{
newMode = mode;
}
}
}
GUILayout.EndVertical();
GUILayout.EndArea();
return newMode;
}
