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Allow cursor visibility to be changed by widgets

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This commit is contained in:
Charlie Groves 2022-10-07 14:36:32 -04:00 committed by Wez Furlong
parent 4e5945c061
commit c764888186
1 changed files with 27 additions and 1 deletions
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28
termwiz/src/widgets/mod.rs
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@ -3,7 +3,7 @@
#![allow(clippy::new_without_default)]
use crate::color::ColorAttribute;
use crate::input::InputEvent;
use crate::surface::{Change, CursorShape, Position, SequenceNo, Surface};
use crate::surface::{Change, CursorShape, CursorVisibility, Position, SequenceNo, Surface};
use crate::Result;
use fnv::FnvHasher;
use std::collections::{HashMap, VecDeque};
@ -24,6 +24,7 @@ pub struct CursorShapeAndPosition {
pub shape: CursorShape,
pub coords: ParentRelativeCoords,
pub color: ColorAttribute,
pub visibility: CursorVisibility,
}
#[derive(Clone, Debug, Default, PartialEq, Eq)]
@ -458,6 +459,7 @@ impl<'widget> Ui<'widget> {
screen.add_changes(vec![
Change::CursorShape(cursor.shape),
Change::CursorColor(cursor.color),
Change::CursorVisibility(cursor.visibility),
Change::CursorPosition {
x: Position::Absolute(coords.x),
y: Position::Absolute(coords.y),
@ -512,3 +514,27 @@ impl<'widget> Ui<'widget> {
ParentRelativeCoords { x, y }
}
}
#[cfg(test)]
mod test {
use super::*;
struct CursorHider {}
impl Widget for CursorHider {
fn render(&mut self, args: &mut RenderArgs) {
args.cursor.visibility = CursorVisibility::Hidden;
}
}
#[test]
fn hide_cursor() {
let mut ui = Ui::new();
ui.set_root(CursorHider {});
let mut surface = Surface::new(10, 10);
assert_eq!(CursorVisibility::Visible, surface.cursor_visibility());
ui.render_to_screen(&mut surface).unwrap();
assert_eq!(CursorVisibility::Hidden, surface.cursor_visibility());
}
}