PopupMenuButton

PopupMenuButton control. Build it with the popup_menu_button helper.

Example

popup_menu_button(
  content: text("PopupMenuButton"),
  icon: "add",
  bgcolor: :surface_container_high,
  expand: true,
  on_animation_end: ->(event) {}
)

Properties

• bgcolor — Background color.
• clip_behavior — How content overflowing the bounds is clipped.
• content — The single child control rendered inside this control.
• elevation — Shadow depth (z-height).
• enable_feedback — Plays touch feedback (sound/haptic) on interaction.
• icon — Icon name shown by the control.
• icon_color — Color of the icon.
• icon_size — Sets the icon size property.
• items — Sets the items property.
• menu_padding — Menu padding.
• menu_position — Sets the menu position property.
• padding — Inner spacing between the border and the content.
• popup_animation_style — Popup animation style.
• shadow_color — Color of the drop shadow.
• shape — Shape/border of the control.
• size_constraints — Min/max size constraints.
• splash_radius — Splash radius.
• style — Style overrides for the control.

Common layout and animation properties

• align — Alignment of the control within its parent.
• animate_align — Animates alignment changes.
• animate_margin — Animates margin changes.
• animate_offset — Animates offset changes.
• animate_opacity — Animates opacity changes.
• animate_position — Animates position changes.
• animate_rotation — Animates rotation changes.
• animate_scale — Animates scale changes.
• animate_size — Animates size changes.
• aspect_ratio — Width-to-height ratio to maintain.
• badge — Badge drawn on the corner of the control.
• bottom — Bottom offset when positioned inside a stack.
• col — Responsive column span (1-12) per breakpoint.
• data — Arbitrary value you can attach to the control and read back in handlers.
• disabled — Disables interaction when true.
• expand — Fills the available space along the parent's main axis when true.
• expand_loose — Like expand, but only grows up to the child's natural size.
• height — Fixed height in logical pixels.
• key — Stable identity used to preserve state across rebuilds.
• left — Left offset when positioned inside a stack.
• margin — Outer spacing around the control.
• offset — Translation offset applied to the control.
• opacity — Opacity from 0.0 (transparent) to 1.0 (opaque).
• right — Right offset when positioned inside a stack.
• rotate — Rotation applied to the control.
• rtl — Renders right-to-left when true.
• scale — Scale transform applied to the control.
• size_change_interval — Throttle interval for on_size_change, in ms.
• tooltip — Text shown on hover/long-press.
• top — Top offset when positioned inside a stack.
• visible — Hides the control when false.
• width — Fixed width in logical pixels.

Events

• on_animation_end — Fired when an animation completes.
• on_cancel — Fired on cancel.
• on_open — Fired when the control opens.
• on_select — Fired when a selection is made.
• on_size_change — Fired when the control's size changes.

Reference

• Family: materials
• Widget type: popupmenubutton
• Helpers: popup_menu_button, popupmenubutton