private void AddControlTreeItemsRecursive(InputControlLayout layout, DeviceDropdownItem parent,
string device, string usage, bool searchable, ControlDropdownItem parentControl = null)
{
foreach (var control in layout.controls.OrderBy(a => a.name))
{
if (control.isModifyingChildControlByPath)
{
continue;
}
// Skip variants except the default variant and variants dictated by the layout itself.
if (!control.variants.IsEmpty() && control.variants != InputControlLayout.DefaultVariant &&
(layout.variants.IsEmpty() || !InputControlLayout.VariantsMatch(layout.variants, control.variants)))
{
continue;
}
var child = new ControlDropdownItem(parentControl, control.name, control.displayName,
device, usage, searchable);
child.icon = EditorInputControlLayoutCache.GetIconForLayout(control.layout);
if (LayoutMatchesExpectedControlLayoutFilter(control.layout))
{
parent.AddChild(child);
}
var controlLayout = EditorInputControlLayoutCache.TryGetLayout(control.layout);
if (controlLayout != null)
{
AddControlTreeItemsRecursive(controlLayout, parent, device, usage,
searchable, child);
}
}
// Add optional controls for devices.
var optionalControls = EditorInputControlLayoutCache.GetOptionalControlsForLayout(layout.name);
if (optionalControls.Any() && layout.isDeviceLayout)
{
var optionalGroup = new AdvancedDropdownItem("Optional Controls");
foreach (var optionalControl in optionalControls)
{
if (LayoutMatchesExpectedControlLayoutFilter(optionalControl.layout))
{
var child = new OptionalControlDropdownItem(optionalControl, device, usage);
child.icon = EditorInputControlLayoutCache.GetIconForLayout(optionalControl.layout);
optionalGroup.AddChild(child);
}
}
if (optionalGroup.children.Any())
{
var deviceName = EditorInputControlLayoutCache.TryGetLayout(device).m_DisplayName ??
ObjectNames.NicifyVariableName(device);
parent.AddSeparator("Controls Present on More Specific " + deviceName.GetPlural());
parent.AddChild(optionalGroup);
}
}
}
private void AddDeviceTreeItemRecursive(InputControlLayout layout, AdvancedDropdownItem parent, bool searchable = true)
{
// Find all layouts directly based on this one.
var childLayouts = EditorInputControlLayoutCache.allLayouts
.Where(x => x.isDeviceLayout && !x.hideInUI && x.baseLayouts.Contains(layout.name)).OrderBy(x => x.displayName);
// See if the entire tree should be excluded.
var shouldIncludeDeviceLayout = ShouldIncludeDeviceLayout(layout);
var shouldIncludeAtLeastOneChildLayout = childLayouts.Any(ShouldIncludeDeviceLayout);
if (!shouldIncludeDeviceLayout && !shouldIncludeAtLeastOneChildLayout)
{
return;
}
// Add toplevel item for device.
var deviceItem = new DeviceDropdownItem(layout);
parent.AddChild(deviceItem);
// Add common usage variants.
if (m_Mode != InputControlPicker.Mode.PickDevice && layout.commonUsages.Count > 0)
{
foreach (var usage in layout.commonUsages)
{
var usageItem = new DeviceDropdownItem(layout, usage);
AddControlTreeItemsRecursive(layout, usageItem, layout.name, usage, searchable);
deviceItem.AddChild(usageItem);
}
deviceItem.AddSeparator();
}
// Add controls.
var haveControls = false;
if (shouldIncludeDeviceLayout && m_Mode != InputControlPicker.Mode.PickDevice)
{
var childCountBefore = deviceItem.children.Count();
// The keyboard is special in that we want to allow binding by display name (i.e. character
// generated by a key) instead of only by physical key location. Also, we want to give an indication
// of which specific key an entry refers to by taking the current keyboard layout into account.
//
// So what we do is add an extra level to the keyboard where key's can be bound by character
// according to the current layout. And in the top level of the keyboard we display keys with
// both physical and logical names.
if (layout.type == typeof(Keyboard) && Keyboard.current != null)
{
var byLocationGroup = new AdvancedDropdownItem("By Location of Key (Using US Layout)");
var byCharacterGroup = new AdvancedDropdownItem("By Character Mapped to Key");
deviceItem.AddChild(byLocationGroup);
deviceItem.AddChild(byCharacterGroup);
var keyboard = Keyboard.current;
AddCharacterKeyBindingsTo(byCharacterGroup, keyboard);
AddPhysicalKeyBindingsTo(byLocationGroup, keyboard, searchable);
}
else
{
AddControlTreeItemsRecursive(layout, deviceItem, layout.name, null, searchable);
}
haveControls = deviceItem.children.Count() != childCountBefore;
}
// Add child items.
var isFirstChild = true;
foreach (var childLayout in childLayouts)
{
if (!ShouldIncludeDeviceLayout(childLayout))
{
continue;
}
if (isFirstChild && haveControls)
{
deviceItem.AddSeparator("More Specific " + deviceItem.name.GetPlural());
}
isFirstChild = false;
AddDeviceTreeItemRecursive(childLayout, deviceItem, searchable && !childLayout.isGenericTypeOfDevice);
}
}