67 lines
1.6 KiB
Rust
67 lines
1.6 KiB
Rust
use std::{
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cmp::{max, min},
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fmt,
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};
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use crate::{buffer::BufferView, event::Event, fonts::FontMap};
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#[derive(Debug, Default, Clone, Copy)]
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pub struct Geometry {
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pub x: u32,
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pub y: u32,
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pub width: u32,
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pub height: u32,
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}
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impl fmt::Display for Geometry {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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write!(
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f,
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"(x: {}, y: {}, width: {}, height: {})",
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self.x, self.y, self.width, self.height
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)
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}
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}
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impl Geometry {
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pub fn new() -> Geometry {
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Geometry {
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x: 0,
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y: 0,
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width: 0,
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height: 0,
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}
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}
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pub fn expand(&self, other: Geometry) -> Geometry {
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let x = min(self.x, other.x);
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let y = min(self.y, other.y);
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Geometry {
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x,
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y,
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width: max(self.width + self.x, other.width + other.x) - x,
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height: max(self.height + self.y, other.height + other.height) - y,
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}
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}
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pub fn contains(&self, position: (u32, u32)) -> bool {
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position.0 >= self.x
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&& position.0 < self.x + self.width
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&& position.1 >= self.y
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&& position.1 < self.y + self.height
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}
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}
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pub trait Widget {
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fn get_dirty(&self) -> bool {
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false
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}
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fn geometry(&self) -> Geometry;
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fn geometry_update(&mut self, fonts: &mut FontMap, geometry: &Geometry) -> Geometry;
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fn minimum_size(&mut self, _fonts: &mut FontMap) -> Geometry {
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Default::default()
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}
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fn draw(&mut self, fonts: &mut FontMap, view: &mut BufferView) -> Geometry;
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fn event(&mut self, _event: &Event) {}
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}
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