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add 'split_***' utility API to Rect

pull/11409/head
Stephen Broadley 2024-08-04 20:46:21 +01:00
parent faa03c4e85
commit eb614fc4a4
1 changed files with 68 additions and 0 deletions
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68
helix-view/src/graphics.rs
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@ -254,6 +254,74 @@ impl Rect {
&& self.y < other.y + other.height
&& self.y + self.height > other.y
}
pub fn split_left(self, width: u16) -> (Rect, Rect) {
(
Rect { width, ..self },
Rect {
x: self.x + width,
width: self.width - width,
..self
},
)
}
pub fn split_right(self, width: u16) -> (Rect, Rect) {
(
Rect {
width: self.width - width,
..self
},
Rect {
x: self.right() - width,
width,
..self
},
)
}
pub fn split_top(self, height: u16) -> (Rect, Rect) {
(
Rect { height, ..self },
Rect {
y: self.y + height,
height: self.height - height,
..self
},
)
}
pub fn split_bottom(self, height: u16) -> (Rect, Rect) {
(
Rect {
height: self.height - height,
..self
},
Rect {
y: self.bottom() - height,
height,
..self
},
)
}
pub fn split_centre_vertical(self, width: u16) -> (Rect, Rect, Rect) {
let l = (self.width - width) / 2;
let r = self.width - width - l;
(
Rect { width: l, ..self },
Rect {
width,
x: self.x + l,
..self
},
Rect {
width: r,
x: self.right() - r,
..self
},
)
}
}
#[derive(Debug, Clone, Copy, PartialEq, Eq)]