Semantics

Semantics control. Build it with the semantics helper.

Example

semantics(
  value: "Sample",
  label: "Label",
  content: text("Semantics"),
  selected: true,
  on_tap: ->(event) {}
)

Properties

• button
• checked — Whether the control is checked.
• container
• content — The single child control rendered inside this control.
• current_value_length
• decreased_value
• exclude_semantics
• expanded
• focus
• focusable
• header
• heading_level
• hidden
• hint_text — Placeholder shown when the field is empty.
• image
• increased_value
• label — Text label shown for the control.
• link
• live_region
• max_value_length
• mixed
• multiline — Allows multiple lines of input when true.
• obscured
• read_only — Prevents editing while still allowing selection.
• selected — Whether the control is selected.
• slider
• textfield
• toggled
• value — The control's current value.

Plus the common layout and animation properties shared by most controls (expand, visible, disabled, opacity, width, height, align, tooltip, animate_*, …).

Events

• on_copy — Fired on copy.
• on_cut — Fired on cut.
• on_decrease — Fired on decrease.
• on_did_gain_accessibility_focus — Fired on did gain accessibility focus.
• on_did_lose_accessibility_focus — Fired on did lose accessibility focus.
• on_dismiss — Fired when the control is dismissed.
• on_double_tap — Fired on a double tap.
• on_increase — Fired on increase.
• on_long_press — Fired on a long press.
• on_long_press_hint_text — Fired on long press hint text.
• on_move_cursor_backward_by_character — Fired on move cursor backward by character.
• on_move_cursor_forward_by_character — Fired on move cursor forward by character.
• on_paste — Fired on paste.
• on_scroll_down — Fired on scroll down.
• on_scroll_left — Fired on scroll left.
• on_scroll_right — Fired on scroll right.
• on_scroll_up — Fired on scroll up.
• on_set_text — Fired on set text.
• on_tap — Fired on a tap.
• on_tap_hint_text — Fired on tap hint text.

Reference

• Family: shared
• Widget type: semantics
• Helper: semantics