Add enabled state to Button

This commit is contained in:
Alexandre Bury 2016-07-16 18:48:20 -07:00
parent 58a04bbb13
commit ab3a55abaf

View File

@ -3,6 +3,7 @@ use std::rc::Rc;
use direction::Direction;
use theme::ColorStyle;
use Cursive;
use With;
use vec::Vec2;
use view::View;
use event::*;
@ -14,6 +15,7 @@ use unicode_width::UnicodeWidthStr;
pub struct Button {
label: String,
callback: Callback,
enabled: bool,
}
impl Button {
@ -24,13 +26,46 @@ impl Button {
Button {
label: label.to_string(),
callback: Rc::new(cb),
enabled: true,
}
}
/// Disables this view.
///
/// A disabled view cannot be selected.
pub fn disable(&mut self) {
self.enabled = false;
}
/// Disables this view.
///
/// Chainable variant.
pub fn disabled(self) -> Self {
self.with(Self::disable)
}
/// Re-enables this view.
pub fn enable(&mut self) {
self.enabled = true;
}
/// Enable or disable this view.
pub fn set_enabled(&mut self, enabled: bool) {
self.enabled = enabled;
}
/// Returns `true` if this view is enabled.
pub fn is_enabled(&self) -> bool {
self.enabled
}
}
impl View for Button {
fn draw(&self, printer: &Printer) {
let style = if !printer.focused {
let style = if !self.enabled {
ColorStyle::Secondary
} else if !printer.focused {
ColorStyle::Primary
} else {
ColorStyle::Highlight
@ -60,6 +95,6 @@ impl View for Button {
}
fn take_focus(&mut self, _: Direction) -> bool {
true
self.enabled
}
}