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 LeftBottomRightAnchorsLayout {
pub left: Coordinate16,
pub bottom: Coordinate16,
pub right: Coordinate16,
pub height: Dimension16,
}
impl LeftBottomRightAnchorsLayout {
pub(super) fn new(params: &Layout) -> Result<Self, Error> {
should_not_use!(params.x, Error::LeftBottomRightAnchorsUsedWithXY);
should_not_use!(params.y, Error::LeftBottomRightAnchorsUsedWithXY);
should_not_use!(params.width, Error::LeftBottomRightAnchorsUsedWithWidth);
should_not_use!(params.pivot, Error::LeftBottomRightAnchorsUsedWithPivot);
Ok(LeftBottomRightAnchorsLayout {
left: params.a_left.unwrap(),
bottom: params.a_bottom.unwrap(),
right: params.a_right.unwrap(),
height: params.height.unwrap_or(Dimension16::Absolute(1)),
})
}
#[inline]
pub(super) fn update_control_layout(&self, control_layout: &mut ControlLayout, parent_width: u16, parent_height: u16) {
let left = self.left.absolute(parent_width);
let right = self.right.absolute(parent_width);
let bottom = self.bottom.absolute(parent_height);
control_layout.resize(
((parent_width as i32) - (left + right)).clamp(1, 0xFFFF) as u16,
self.height.absolute(parent_height),
);
control_layout.set_position(left, (parent_height as i32) - (bottom + (control_layout.height() as i32)));
}
}