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https://github.com/slint-ui/slint.git
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Expose element type names and ids in Rust and C++
This commit is contained in:
Simon Hausmann
Simon Hausmann
parent
4eef2d4936
commit
a752851d0f
5 changed files with 191 additions and 75 deletions
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@ -23,7 +23,7 @@ inline void init()
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/// Use find_by_accessible_label() to obtain all elements matching the given accessible label.
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class ElementHandle
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{
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cbindgen_private::ItemWeak inner;
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cbindgen_private::ElementHandle inner;
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public:
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/// Find all elements matching the given accessible label.
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@ -39,7 +39,7 @@ public:
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SharedVector<ElementHandle> result;
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cbindgen_private::slint_testing_element_find_by_accessible_label(
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&vrc, &label_view,
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reinterpret_cast<SharedVector<cbindgen_private::ItemWeak> *>(&result));
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reinterpret_cast<SharedVector<cbindgen_private::ElementHandle> *>(&result));
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return result;
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}
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@ -56,17 +56,63 @@ public:
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SharedVector<ElementHandle> result;
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cbindgen_private::slint_testing_element_find_by_element_id(
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&vrc, &element_id_view,
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reinterpret_cast<SharedVector<cbindgen_private::ItemWeak> *>(&result));
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reinterpret_cast<SharedVector<cbindgen_private::ElementHandle> *>(&result));
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return result;
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}
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/// Returns true if the underlying element still exists; false otherwise.
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bool is_valid() const { return private_api::upgrade_item_weak(inner).has_value(); }
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bool is_valid() const { return private_api::upgrade_item_weak(inner.item).has_value(); }
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/// Helper struct for use with element_type_names_and_ids() to describe an element's type name
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/// and qualified id;
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struct ElementTypeNameAndId
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{
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/// The type name this element instantiates, such as `Rectangle` or `MyComponent`
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SharedString type_name;
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/// The id of the element qualified with the surrounding component.
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SharedString id;
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friend bool operator==(const ElementTypeNameAndId &lhs,
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const ElementTypeNameAndId &rhs) = default;
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};
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/// Returns a vector over a struct of element type names and their ids. Returns an empty vector
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/// if the element is not valid anymore.
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///
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/// Elements can have multiple type names and ids, due to inheritance.
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/// In the following example, the `PushButton` element returns for `element_type_names_and_ids`
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/// the following ElementTypeNameAndId structs:
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/// entries:
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/// * type_name: "PushButton", id: "App::mybutton"
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/// * type_name: "ButtonBase", id: "PushButton::root"
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/// * type_name: "", id: "ButtonBase::root"
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///
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/// ```slint,no-preview
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/// component ButtonBase {
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/// // ...
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/// }
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/// component PushButton inherits ButtonBase {
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/// }
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/// export component App {
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/// mybutton := PushButton {}
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/// }
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/// ```
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SharedVector<ElementTypeNameAndId> element_type_names_and_ids() const
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{
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SharedVector<SharedString> type_names;
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SharedVector<SharedString> ids;
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cbindgen_private::slint_testing_element_type_names_and_ids(&inner, &type_names, &ids);
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SharedVector<ElementTypeNameAndId> result(type_names.size());
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for (std::size_t i = 0; i < type_names.size(); ++i) {
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result[i] = { type_names[i], ids[i] };
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}
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return result;
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}
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/// Returns the accessible-label of that element, if any.
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std::optional<SharedString> accessible_label() const
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{
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if (auto item = private_api::upgrade_item_weak(inner)) {
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if (auto item = private_api::upgrade_item_weak(inner.item)) {
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SharedString result;
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if (item->item_tree.vtable()->accessible_string_property(
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item->item_tree.borrow(), item->index,
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@ -80,7 +126,7 @@ public:
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/// Returns the accessible-value of that element, if any.
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std::optional<SharedString> accessible_value() const
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{
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if (auto item = private_api::upgrade_item_weak(inner)) {
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if (auto item = private_api::upgrade_item_weak(inner.item)) {
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SharedString result;
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if (item->item_tree.vtable()->accessible_string_property(
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item->item_tree.borrow(), item->index,
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@ -94,7 +140,7 @@ public:
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/// Returns the accessible-description of that element, if any.
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std::optional<SharedString> accessible_description() const
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{
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if (auto item = private_api::upgrade_item_weak(inner)) {
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if (auto item = private_api::upgrade_item_weak(inner.item)) {
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SharedString result;
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if (item->item_tree.vtable()->accessible_string_property(
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item->item_tree.borrow(), item->index,
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@ -108,7 +154,7 @@ public:
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/// Returns the accessible-value-maximum of that element, if any.
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std::optional<float> accessible_value_maximum() const
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{
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if (auto item = private_api::upgrade_item_weak(inner)) {
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if (auto item = private_api::upgrade_item_weak(inner.item)) {
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SharedString result;
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if (item->item_tree.vtable()->accessible_string_property(
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item->item_tree.borrow(), item->index,
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@ -125,7 +171,7 @@ public:
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/// Returns the accessible-value-minimum of that element, if any.
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std::optional<float> accessible_value_minimum() const
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{
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if (auto item = private_api::upgrade_item_weak(inner)) {
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if (auto item = private_api::upgrade_item_weak(inner.item)) {
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SharedString result;
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if (item->item_tree.vtable()->accessible_string_property(
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item->item_tree.borrow(), item->index,
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@ -142,7 +188,7 @@ public:
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/// Returns the accessible-value-step of that element, if any.
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std::optional<float> accessible_value_step() const
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{
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if (auto item = private_api::upgrade_item_weak(inner)) {
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if (auto item = private_api::upgrade_item_weak(inner.item)) {
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SharedString result;
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if (item->item_tree.vtable()->accessible_string_property(
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item->item_tree.borrow(), item->index,
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@ -159,7 +205,7 @@ public:
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/// Returns the accessible-checked of that element, if any.
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std::optional<bool> accessible_checked() const
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{
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if (auto item = private_api::upgrade_item_weak(inner)) {
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if (auto item = private_api::upgrade_item_weak(inner.item)) {
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SharedString result;
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if (item->item_tree.vtable()->accessible_string_property(
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item->item_tree.borrow(), item->index,
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@ -176,7 +222,7 @@ public:
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/// Returns the accessible-checkable of that element, if any.
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std::optional<bool> accessible_checkable() const
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{
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if (auto item = private_api::upgrade_item_weak(inner)) {
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if (auto item = private_api::upgrade_item_weak(inner.item)) {
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SharedString result;
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if (item->item_tree.vtable()->accessible_string_property(
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item->item_tree.borrow(), item->index,
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@ -195,7 +241,7 @@ public:
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/// Setting the value will invoke the `accessible-action-set-value` callback.
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void set_accessible_value(SharedString value) const
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{
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if (auto item = private_api::upgrade_item_weak(inner)) {
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if (auto item = private_api::upgrade_item_weak(inner.item)) {
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union SetValueHelper {
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cbindgen_private::AccessibilityAction action;
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SetValueHelper(SharedString value)
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@ -216,7 +262,7 @@ public:
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/// (`accessible-action-increment`).
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void invoke_accessible_increment_action() const
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{
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if (auto item = private_api::upgrade_item_weak(inner)) {
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if (auto item = private_api::upgrade_item_weak(inner.item)) {
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union IncreaseActionHelper {
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cbindgen_private::AccessibilityAction action;
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IncreaseActionHelper()
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@ -235,7 +281,7 @@ public:
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/// (`accessible-action-decrement`).
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void invoke_accessible_decrement_action() const
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{
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if (auto item = private_api::upgrade_item_weak(inner)) {
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if (auto item = private_api::upgrade_item_weak(inner.item)) {
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union DecreaseActionHelper {
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cbindgen_private::AccessibilityAction action;
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DecreaseActionHelper()
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@ -254,7 +300,7 @@ public:
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/// (`accessible-action-default`).
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void invoke_accessible_default_action() const
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{
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if (auto item = private_api::upgrade_item_weak(inner)) {
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if (auto item = private_api::upgrade_item_weak(inner.item)) {
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union DefaultActionHelper {
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cbindgen_private::AccessibilityAction action;
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DefaultActionHelper()
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@ -272,7 +318,7 @@ public:
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/// Returns the size of this element
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LogicalSize size() const
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{
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if (auto item = private_api::upgrade_item_weak(inner)) {
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if (auto item = private_api::upgrade_item_weak(inner.item)) {
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auto rect =
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item->item_tree.vtable()->item_geometry(item->item_tree.borrow(), item->index);
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return LogicalSize({ rect.width, rect.height });
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@ -283,7 +329,7 @@ public:
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/// Returns the absolute position of this element
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LogicalPosition absolute_position() const
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{
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if (auto item = private_api::upgrade_item_weak(inner)) {
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if (auto item = private_api::upgrade_item_weak(inner.item)) {
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cbindgen_private::LogicalRect rect =
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item->item_tree.vtable()->item_geometry(item->item_tree.borrow(), item->index);
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cbindgen_private::LogicalPoint abs =
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