use super::should_not_use;
use super::ControlLayout;
use super::Coordinate16;
use super::Dimension16;
use super::Error;
use super::Layout;
#[derive(Copy, Clone, PartialEq, Debug)]
pub(super) struct TopRightBottomAnchorsLayout {
pub top: Coordinate16,
pub right: Coordinate16,
pub bottom: Coordinate16,
pub width: Dimension16,
}
impl TopRightBottomAnchorsLayout {
pub(super) fn new(params: &Layout) -> Result<Self, Error> {
should_not_use!(params.x, Error::TopRightBottomAnchorsUsedWithXY);
should_not_use!(params.y, Error::TopRightBottomAnchorsUsedWithXY);
should_not_use!(params.height, Error::TopRightBottomAnchorsUsedWithHeight);
should_not_use!(params.pivot, Error::TopRightBottomAnchorsUsedWithPivot);
Ok(TopRightBottomAnchorsLayout {
top: params.a_top.unwrap(),
right: params.a_right.unwrap(),
bottom: params.a_bottom.unwrap(),
width: params.width.unwrap_or(Dimension16::Absolute(1)),
})
}
#[inline]
pub(super) fn update_control_layout(&self, control_layout: &mut ControlLayout, parent_width: u16, parent_height: u16) {
let top = self.top.absolute(parent_height);
let right = self.right.absolute(parent_width);
let bottom = self.bottom.absolute(parent_height);
control_layout.resize(
self.width.absolute(parent_width),
((parent_height as i32) - (top + bottom)).clamp(1, 0xFFFF) as u16,
);
control_layout.set_position((parent_width as i32) - (right + (control_layout.width() as i32)), top);
}
}