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Implement Menubar::important_area

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This commit is contained in:
Alexandre Bury 2018-03-22 15:13:51 -07:00
parent 5673b59c10
commit 6729453118
1 changed files with 18 additions and 0 deletions
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18
src/views/menubar.rs
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@ -3,6 +3,7 @@ use Printer;
use direction;
use event::*;
use menu::{MenuItem, MenuTree};
use rect::Rect;
use std::rc::Rc;
use theme::ColorStyle;
use unicode_width::UnicodeWidthStr;
@ -383,4 +384,21 @@ impl View for Menubar {
Vec2::new(width, 1)
}
fn important_area(&self, _: Vec2) -> Rect {
if self.root.is_empty() {
return Rect::from((0, 0));
}
// X position is 1 (margin before the first item) + sum of widths
// And each item has a 2 cells padding.
let x = 1 + self.root.children[..self.focus]
.iter()
.map(|child| child.label().width() + 2)
.sum::<usize>();
let width = self.root.children[self.focus].label().width();
Rect::from_size((x, 0), (width, 1))
}
}