winio/widgets/
scroll_view.rs

1use inherit_methods_macro::inherit_methods;
2use winio_elm::{Component, ComponentSender};
3use winio_handle::BorrowedContainer;
4use winio_primitive::{Enable, Failable, Layoutable, Point, Size, Visible};
5
6use crate::{
7    sys,
8    sys::{Error, Result},
9};
10
11/// A scroll view that can contain other widgets and provide scrolling.
12/// functionality.
13#[derive(Debug)]
14pub struct ScrollView {
15    widget: sys::ScrollView,
16}
17
18impl Failable for ScrollView {
19    type Error = Error;
20}
21
22#[inherit_methods(from = "self.widget")]
23impl ScrollView {
24    /// Get if the horizontal scroll bar is visible.
25    pub fn hscroll(&self) -> Result<bool>;
26
27    /// Set if the horizontal scroll bar is visible.
28    pub fn set_hscroll(&mut self, v: bool) -> Result<()>;
29
30    /// Get if the vertical scroll bar is visible.
31    pub fn vscroll(&self) -> Result<bool>;
32
33    /// Set if the vertical scroll bar is visible.
34    pub fn set_vscroll(&mut self, v: bool) -> Result<()>;
35}
36
37#[inherit_methods(from = "self.widget")]
38impl Visible for ScrollView {
39    fn is_visible(&self) -> Result<bool>;
40
41    fn set_visible(&mut self, v: bool) -> Result<()>;
42}
43
44#[inherit_methods(from = "self.widget")]
45impl Enable for ScrollView {
46    fn is_enabled(&self) -> Result<bool>;
47
48    fn set_enabled(&mut self, v: bool) -> Result<()>;
49}
50
51#[inherit_methods(from = "self.widget")]
52impl Layoutable for ScrollView {
53    fn loc(&self) -> Result<Point>;
54
55    fn set_loc(&mut self, p: Point) -> Result<()>;
56
57    fn size(&self) -> Result<Size>;
58
59    fn set_size(&mut self, v: Size) -> Result<()>;
60}
61
62/// Events of [`ScrollView`].
63#[derive(Debug)]
64#[non_exhaustive]
65pub enum ScrollViewEvent {}
66
67/// Messages of [`ScrollView`].
68#[derive(Debug)]
69#[non_exhaustive]
70pub enum ScrollViewMessage {}
71
72impl Component for ScrollView {
73    type Error = Error;
74    type Event = ScrollViewEvent;
75    type Init<'a> = BorrowedContainer<'a>;
76    type Message = ScrollViewMessage;
77
78    async fn init(init: Self::Init<'_>, _sender: &ComponentSender<Self>) -> Result<Self> {
79        let widget = sys::ScrollView::new(init)?;
80        Ok(Self { widget })
81    }
82
83    async fn start(&mut self, _sender: &ComponentSender<Self>) -> ! {
84        self.widget.start().await
85    }
86}
87
88winio_handle::impl_as_widget!(ScrollView, widget);
89winio_handle::impl_as_container!(ScrollView, widget);
winio/widgets/scroll_view.rs

winio/widgets/
scroll_view.rs
