Add checkbox view

This commit is contained in:
Alexandre Bury 2016-07-16 17:22:24 -07:00
parent 5ee8706582
commit d4afdf024f
3 changed files with 90 additions and 1 deletions

View File

@ -2,7 +2,7 @@ extern crate cursive;
use cursive::Cursive;
use cursive::With;
use cursive::view::{ListView, Dialog, EditView, TextView, LinearLayout};
use cursive::view::{ListView, Checkbox, Dialog, EditView, TextView, LinearLayout};
fn main() {
let mut siv = Cursive::new();
@ -13,6 +13,7 @@ fn main() {
.child(EditView::new().min_length(15))
.child(TextView::new("@"))
.child(EditView::new().min_length(10)))
.child("Receive spam?", Checkbox::new())
.delimiter()
.with(|list| {
for i in 0..50 {

86
src/view/checkbox.rs Normal file
View File

@ -0,0 +1,86 @@
use With;
use Printer;
use vec::Vec2;
use view::View;
use event::{Event, EventResult, Key};
use direction::Direction;
/// Checkable box.
#[derive(Debug)]
pub struct Checkbox {
checked: bool,
}
impl Checkbox {
/// Creates a new, unchecked checkbox.
pub fn new() -> Self {
Checkbox {
checked: false,
}
}
/// Toggles the checkbox state.
pub fn toggle(&mut self) {
self.checked = !self.checked;
}
/// Check the checkbox.
pub fn check(&mut self) {
self.checked = true;
}
/// Check the checkbox.
///
/// Chainable variant.
pub fn checked(self) -> Self {
self.with(Self::check)
}
/// Returns `true` if the checkbox is checked.
pub fn is_checked(&self) -> bool {
self.checked
}
/// Uncheck the checkbox.
pub fn uncheck(&mut self) {
self.checked = false;
}
/// Uncheck the checkbox.
///
/// Chainable variant.
pub fn unchecked(self) -> Self {
self.with(Self::uncheck)
}
}
impl View for Checkbox {
fn get_min_size(&mut self, _: Vec2) -> Vec2 {
Vec2::new(3, 1)
}
fn take_focus(&mut self, _: Direction) -> bool {
true
}
fn draw(&self, printer: &Printer) {
printer.with_selection(printer.focused, |printer| {
printer.print((0,0), "[ ]");
if self.checked {
printer.print((1, 0), "X");
}
});
}
fn on_event(&mut self, event: Event) -> EventResult {
match event {
Event::Key(Key::Enter) |
Event::Char(' ') => self.toggle(),
_ => return EventResult::Ignored,
}
EventResult::Consumed(None)
}
}

View File

@ -48,6 +48,7 @@ mod scroll;
// Views
mod box_view;
mod button;
mod checkbox;
mod dialog;
mod edit_view;
mod full_view;
@ -79,6 +80,7 @@ pub use self::scroll::ScrollBase;
pub use self::id_view::IdView;
pub use self::box_view::BoxView;
pub use self::button::Button;
pub use self::checkbox::Checkbox;
pub use self::dialog::Dialog;
pub use self::edit_view::EditView;
pub use self::full_view::FullView;