From 3a0d34c0240f4421737a6a08761f99d6f8140d02 Mon Sep 17 00:00:00 2001 From: Héctor Ramón Jiménez Date: Sat, 4 Mar 2023 05:37:11 +0100 Subject: Create `iced_widget` subcrate and re-organize the whole codebase --- native/src/widget/operation/scrollable.rs | 54 ------------------------------- 1 file changed, 54 deletions(-) delete mode 100644 native/src/widget/operation/scrollable.rs (limited to 'native/src/widget/operation/scrollable.rs') diff --git a/native/src/widget/operation/scrollable.rs b/native/src/widget/operation/scrollable.rs deleted file mode 100644 index 3b20631f..00000000 --- a/native/src/widget/operation/scrollable.rs +++ /dev/null @@ -1,54 +0,0 @@ -//! Operate on widgets that can be scrolled. -use crate::widget::{Id, Operation}; - -/// The internal state of a widget that can be scrolled. -pub trait Scrollable { - /// Snaps the scroll of the widget to the given `percentage` along the horizontal & vertical axis. - fn snap_to(&mut self, offset: RelativeOffset); -} - -/// Produces an [`Operation`] that snaps the widget with the given [`Id`] to -/// the provided `percentage`. -pub fn snap_to(target: Id, offset: RelativeOffset) -> impl Operation { - struct SnapTo { - target: Id, - offset: RelativeOffset, - } - - impl Operation for SnapTo { - fn container( - &mut self, - _id: Option<&Id>, - operate_on_children: &mut dyn FnMut(&mut dyn Operation), - ) { - operate_on_children(self) - } - - fn scrollable(&mut self, state: &mut dyn Scrollable, id: Option<&Id>) { - if Some(&self.target) == id { - state.snap_to(self.offset); - } - } - } - - SnapTo { target, offset } -} - -/// The amount of offset in each direction of a [`Scrollable`]. -/// -/// A value of `0.0` means start, while `1.0` means end. -#[derive(Debug, Clone, Copy, PartialEq, Default)] -pub struct RelativeOffset { - /// The amount of horizontal offset - pub x: f32, - /// The amount of vertical offset - pub y: f32, -} - -impl RelativeOffset { - /// A relative offset that points to the top-left of a [`Scrollable`]. - pub const START: Self = Self { x: 0.0, y: 0.0 }; - - /// A relative offset that points to the bottom-right of a [`Scrollable`]. - pub const END: Self = Self { x: 1.0, y: 1.0 }; -} -- cgit