ParentLayout mixin
Interface for parent elements that manage child layout.
ParentLayout defines the contract that layout containers must implement to work with the layout system. It provides access to children, viewport information, and scrolling state.
- Mixin applications
Properties
- contentSize → LayoutSize
-
The total size of all content within this layout.
no setter
- firstLayoutChild → ChildLayout?
-
The first child in the layout tree.
no setter
- hashCode → int
-
The hash code for this object.
no setterinherited
- lastLayoutChild → ChildLayout?
-
The last child in the layout tree.
no setter
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- scrollOffsetX → double
-
The current horizontal scroll offset.
no setter
- scrollOffsetY → double
-
The current vertical scroll offset.
no setter
- textBaseline → LayoutTextBaseline?
-
The text baseline to use for layout calculations.
no setter
- textDirection → LayoutTextDirection
-
The text direction for this layout.
no setter
- viewportSize → LayoutSize
-
The size of the visible viewport.
no setter
Methods
-
findChildByKey(
Object key) → ChildLayout? -
getFirstDryLayout(
LayoutHandle< Layout> layoutHandle) → ChildLayout? - Creates a dry layout chain starting from the first child.
-
getLastDryLayout(
LayoutHandle< Layout> layoutHandle) → ChildLayout? - Creates a dry layout chain starting from the last child.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited