mirror of
https://github.com/FliegendeWurst/cursive.git
synced 2024-11-12 20:23:35 +00:00
Add enabled state to SelectView
This commit is contained in:
parent
02b6b6601f
commit
58a04bbb13
@ -2,11 +2,13 @@ use std::cmp::min;
|
|||||||
use std::rc::Rc;
|
use std::rc::Rc;
|
||||||
|
|
||||||
use Cursive;
|
use Cursive;
|
||||||
|
use With;
|
||||||
use direction::Direction;
|
use direction::Direction;
|
||||||
use view::{IdView, View};
|
use view::{IdView, View};
|
||||||
use align::{Align, HAlign, VAlign};
|
use align::{Align, HAlign, VAlign};
|
||||||
use view::scroll::ScrollBase;
|
use view::scroll::ScrollBase;
|
||||||
use event::{Event, EventResult, Key};
|
use event::{Event, EventResult, Key};
|
||||||
|
use theme::ColorStyle;
|
||||||
use vec::Vec2;
|
use vec::Vec2;
|
||||||
use Printer;
|
use Printer;
|
||||||
|
|
||||||
@ -31,6 +33,7 @@ impl<T> Item<T> {
|
|||||||
/// It contains a list of values of type T, with associated labels.
|
/// It contains a list of values of type T, with associated labels.
|
||||||
pub struct SelectView<T = String> {
|
pub struct SelectView<T = String> {
|
||||||
items: Vec<Item<T>>,
|
items: Vec<Item<T>>,
|
||||||
|
enabled: bool,
|
||||||
focus: usize,
|
focus: usize,
|
||||||
scrollbase: ScrollBase,
|
scrollbase: ScrollBase,
|
||||||
// This is a custom callback to include a &T
|
// This is a custom callback to include a &T
|
||||||
@ -43,6 +46,7 @@ impl<T: 'static> SelectView<T> {
|
|||||||
pub fn new() -> Self {
|
pub fn new() -> Self {
|
||||||
SelectView {
|
SelectView {
|
||||||
items: Vec::new(),
|
items: Vec::new(),
|
||||||
|
enabled: true,
|
||||||
focus: 0,
|
focus: 0,
|
||||||
scrollbase: ScrollBase::new(),
|
scrollbase: ScrollBase::new(),
|
||||||
select_cb: None,
|
select_cb: None,
|
||||||
@ -50,6 +54,35 @@ impl<T: 'static> SelectView<T> {
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/// 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
|
||||||
|
}
|
||||||
|
|
||||||
/// Sets a callback to be used when an item is selected.
|
/// Sets a callback to be used when an item is selected.
|
||||||
///
|
///
|
||||||
/// (When ENTER is pressed on an item).
|
/// (When ENTER is pressed on an item).
|
||||||
@ -117,6 +150,14 @@ impl<T: 'static> SelectView<T> {
|
|||||||
pub fn with_id(self, label: &str) -> IdView<Self> {
|
pub fn with_id(self, label: &str) -> IdView<Self> {
|
||||||
IdView::new(label, self)
|
IdView::new(label, self)
|
||||||
}
|
}
|
||||||
|
|
||||||
|
fn draw_item(&self, printer: &Printer, i: usize) {
|
||||||
|
let l = self.items[i].label.width();
|
||||||
|
let x = self.align.h.get_offset(l, printer.size.x);
|
||||||
|
printer.print_hline((0, 0), x, " ");
|
||||||
|
printer.print((x, 0), &self.items[i].label);
|
||||||
|
printer.print_hline((x + l, 0), printer.size.x - l - x, " ");
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
impl SelectView<String> {
|
impl SelectView<String> {
|
||||||
@ -141,11 +182,12 @@ impl<T: 'static> View for SelectView<T> {
|
|||||||
|
|
||||||
self.scrollbase.draw(printer, |printer, i| {
|
self.scrollbase.draw(printer, |printer, i| {
|
||||||
printer.with_selection(i == self.focus, |printer| {
|
printer.with_selection(i == self.focus, |printer| {
|
||||||
let l = self.items[i].label.width();
|
if i != self.focus && !self.enabled {
|
||||||
let x = self.align.h.get_offset(l, printer.size.x);
|
printer.with_color(ColorStyle::Secondary,
|
||||||
printer.print_hline((0, 0), x, " ");
|
|printer| self.draw_item(printer, i));
|
||||||
printer.print((x, 0), &self.items[i].label);
|
} else {
|
||||||
printer.print_hline((x + l, 0), printer.size.x - l - x, " ");
|
self.draw_item(printer, i);
|
||||||
|
}
|
||||||
});
|
});
|
||||||
});
|
});
|
||||||
}
|
}
|
||||||
@ -217,7 +259,7 @@ impl<T: 'static> View for SelectView<T> {
|
|||||||
}
|
}
|
||||||
|
|
||||||
fn take_focus(&mut self, _: Direction) -> bool {
|
fn take_focus(&mut self, _: Direction) -> bool {
|
||||||
true
|
self.enabled && !self.items.is_empty()
|
||||||
}
|
}
|
||||||
|
|
||||||
fn layout(&mut self, size: Vec2) {
|
fn layout(&mut self, size: Vec2) {
|
||||||
|
Loading…
Reference in New Issue
Block a user