Refactor XCUI editor module layout
This commit is contained in:
260
new_editor/src/Fields/UIEditorAssetFieldInteraction.cpp
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260
new_editor/src/Fields/UIEditorAssetFieldInteraction.cpp
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#include <XCEditor/Fields/UIEditorAssetFieldInteraction.h>
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#include <XCEngine/Input/InputTypes.h>
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#include <utility>
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namespace XCEngine::UI::Editor {
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namespace {
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using ::XCEngine::Input::KeyCode;
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using ::XCEngine::UI::UIInputEvent;
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using ::XCEngine::UI::UIInputEventType;
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using ::XCEngine::UI::UIPointerButton;
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using Widgets::BuildUIEditorAssetFieldLayout;
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using Widgets::HasUIEditorAssetFieldValue;
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using Widgets::HitTestUIEditorAssetField;
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using Widgets::IsUIEditorAssetFieldPointInside;
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using Widgets::UIEditorAssetFieldHitTarget;
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using Widgets::UIEditorAssetFieldHitTargetKind;
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using Widgets::UIEditorAssetFieldLayout;
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using Widgets::UIEditorAssetFieldMetrics;
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using Widgets::UIEditorAssetFieldSpec;
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bool ShouldUsePointerPosition(const UIInputEvent& event) {
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switch (event.type) {
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case UIInputEventType::PointerMove:
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case UIInputEventType::PointerEnter:
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case UIInputEventType::PointerButtonDown:
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case UIInputEventType::PointerButtonUp:
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case UIInputEventType::PointerWheel:
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return true;
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default:
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return false;
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}
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}
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void SyncHoverTarget(
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UIEditorAssetFieldInteractionState& state,
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const UIEditorAssetFieldLayout& layout) {
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if (!state.hasPointerPosition) {
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state.fieldState.hoveredTarget = UIEditorAssetFieldHitTargetKind::None;
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return;
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}
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state.fieldState.hoveredTarget = HitTestUIEditorAssetField(layout, state.pointerPosition).kind;
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}
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bool CanRequestPicker(const UIEditorAssetFieldSpec& spec) {
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return !spec.readOnly && spec.showPickerButton;
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}
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bool CanClearValue(const UIEditorAssetFieldSpec& spec) {
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return !spec.readOnly && spec.allowClear && HasUIEditorAssetFieldValue(spec);
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}
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void ClearValue(
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UIEditorAssetFieldSpec& spec,
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UIEditorAssetFieldInteractionResult& result) {
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result.assetIdBefore = spec.assetId;
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result.displayNameBefore = spec.displayName;
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spec.assetId.clear();
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spec.displayName.clear();
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spec.statusText.clear();
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result.assetIdAfter = spec.assetId;
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result.displayNameAfter = spec.displayName;
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result.clearRequested = true;
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result.valueChanged = true;
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result.consumed = true;
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}
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void RequestPicker(UIEditorAssetFieldInteractionResult& result) {
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result.pickerRequested = true;
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result.consumed = true;
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}
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void RequestActivate(UIEditorAssetFieldInteractionResult& result) {
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result.activateRequested = true;
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result.consumed = true;
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}
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} // namespace
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UIEditorAssetFieldInteractionFrame UpdateUIEditorAssetFieldInteraction(
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UIEditorAssetFieldInteractionState& state,
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UIEditorAssetFieldSpec& spec,
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const ::XCEngine::UI::UIRect& bounds,
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const std::vector<UIInputEvent>& inputEvents,
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const UIEditorAssetFieldMetrics& metrics) {
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UIEditorAssetFieldLayout layout = BuildUIEditorAssetFieldLayout(bounds, spec, metrics);
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SyncHoverTarget(state, layout);
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UIEditorAssetFieldInteractionResult interactionResult = {};
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for (const UIInputEvent& event : inputEvents) {
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if (ShouldUsePointerPosition(event)) {
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state.pointerPosition = event.position;
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state.hasPointerPosition = true;
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} else if (event.type == UIInputEventType::PointerLeave) {
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state.hasPointerPosition = false;
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}
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UIEditorAssetFieldInteractionResult eventResult = {};
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switch (event.type) {
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case UIInputEventType::FocusGained:
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eventResult.focusChanged = !state.fieldState.focused;
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state.fieldState.focused = true;
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break;
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case UIInputEventType::FocusLost:
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eventResult.focusChanged = state.fieldState.focused;
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state.fieldState.focused = false;
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state.fieldState.activeTarget = UIEditorAssetFieldHitTargetKind::None;
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state.hasPointerPosition = false;
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break;
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case UIInputEventType::PointerMove:
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case UIInputEventType::PointerEnter:
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case UIInputEventType::PointerLeave:
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break;
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case UIInputEventType::PointerButtonDown: {
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const UIEditorAssetFieldHitTarget hitTarget =
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state.hasPointerPosition
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? HitTestUIEditorAssetField(layout, state.pointerPosition)
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: UIEditorAssetFieldHitTarget {};
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eventResult.hitTarget = hitTarget;
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if (event.pointerButton != UIPointerButton::Left) {
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break;
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}
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const bool insideField =
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state.hasPointerPosition &&
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IsUIEditorAssetFieldPointInside(layout.bounds, state.pointerPosition);
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if (insideField) {
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eventResult.focusChanged = !state.fieldState.focused;
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state.fieldState.focused = true;
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state.fieldState.activeTarget =
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hitTarget.kind == UIEditorAssetFieldHitTargetKind::None
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? UIEditorAssetFieldHitTargetKind::Row
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: hitTarget.kind;
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eventResult.consumed = true;
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} else {
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if (state.fieldState.focused) {
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eventResult.focusChanged = true;
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state.fieldState.focused = false;
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}
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state.fieldState.activeTarget = UIEditorAssetFieldHitTargetKind::None;
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}
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break;
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}
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case UIInputEventType::PointerButtonUp: {
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const UIEditorAssetFieldHitTarget hitTarget =
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state.hasPointerPosition
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? HitTestUIEditorAssetField(layout, state.pointerPosition)
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: UIEditorAssetFieldHitTarget {};
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eventResult.hitTarget = hitTarget;
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if (event.pointerButton == UIPointerButton::Left) {
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const UIEditorAssetFieldHitTargetKind activeTarget = state.fieldState.activeTarget;
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state.fieldState.activeTarget = UIEditorAssetFieldHitTargetKind::None;
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if (activeTarget == hitTarget.kind) {
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switch (activeTarget) {
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case UIEditorAssetFieldHitTargetKind::PickerButton:
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if (CanRequestPicker(spec)) {
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RequestPicker(eventResult);
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}
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break;
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case UIEditorAssetFieldHitTargetKind::ClearButton:
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if (CanClearValue(spec)) {
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ClearValue(spec, eventResult);
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}
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break;
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case UIEditorAssetFieldHitTargetKind::ValueBox:
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RequestActivate(eventResult);
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break;
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case UIEditorAssetFieldHitTargetKind::Row:
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eventResult.consumed = true;
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break;
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case UIEditorAssetFieldHitTargetKind::None:
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default:
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break;
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}
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}
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}
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break;
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}
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case UIInputEventType::KeyDown:
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if (!state.fieldState.focused) {
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break;
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}
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switch (static_cast<KeyCode>(event.keyCode)) {
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case KeyCode::Enter:
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case KeyCode::Space:
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if (CanRequestPicker(spec)) {
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RequestPicker(eventResult);
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eventResult.hitTarget.kind = UIEditorAssetFieldHitTargetKind::PickerButton;
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} else {
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RequestActivate(eventResult);
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eventResult.hitTarget.kind = UIEditorAssetFieldHitTargetKind::ValueBox;
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}
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break;
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case KeyCode::Delete:
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case KeyCode::Backspace:
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if (CanClearValue(spec)) {
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ClearValue(spec, eventResult);
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eventResult.hitTarget.kind = UIEditorAssetFieldHitTargetKind::ClearButton;
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}
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break;
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default:
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break;
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}
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break;
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default:
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break;
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}
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layout = BuildUIEditorAssetFieldLayout(bounds, spec, metrics);
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SyncHoverTarget(state, layout);
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if (eventResult.hitTarget.kind == UIEditorAssetFieldHitTargetKind::None &&
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state.hasPointerPosition) {
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eventResult.hitTarget = HitTestUIEditorAssetField(layout, state.pointerPosition);
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}
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if (eventResult.consumed ||
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eventResult.focusChanged ||
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eventResult.valueChanged ||
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eventResult.activateRequested ||
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eventResult.pickerRequested ||
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eventResult.clearRequested ||
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eventResult.hitTarget.kind != UIEditorAssetFieldHitTargetKind::None) {
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interactionResult = std::move(eventResult);
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}
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}
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layout = BuildUIEditorAssetFieldLayout(bounds, spec, metrics);
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SyncHoverTarget(state, layout);
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if (interactionResult.hitTarget.kind == UIEditorAssetFieldHitTargetKind::None &&
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state.hasPointerPosition) {
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interactionResult.hitTarget = HitTestUIEditorAssetField(layout, state.pointerPosition);
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}
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return {
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std::move(layout),
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std::move(interactionResult)
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};
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}
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} // namespace XCEngine::UI::Editor
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