Callback Functions

CustomMeasureFunc

Signature

:(  N-Object() $widget, GEnum $orientation, Int() $for-size, Array[Int] $minimum, Array[Int] $natural, Array[Int] $minimum-baseline, Array[Int] $natural-baseline  )

• $widget; the widget to be measured

• $orientation; the direction to be measured

• $for-size; the size to be measured for

• $minimum; the measured minimum size of the widget

• $natural; the measured natural size of the widget

• $minimum-baseline; the measured minimum baseline of the widget

• $natural-baseline; the measured natural baseline of the widget

CustomAllocateFunc

Signature

:(  N-Object() $widget, Int() $width, Int() $height, Int() $baseline  )

• $widget; the widget to allocate

• $width; the new width of the widget

• $height; the new height of the widget

• $baseline; the new baseline of the widget, or -1

CustomRequestModeFunc

Signature

:(  N-Object() $widget  )

• $widget; the widget to be queried