84 lines
2.3 KiB
Rust
84 lines
2.3 KiB
Rust
use {
|
|
crate::{
|
|
client::{Client, ClientError},
|
|
leaks::Tracker,
|
|
object::Object,
|
|
rect::{Rect, Region, RegionBuilder},
|
|
utils::buffd::{MsgParser, MsgParserError},
|
|
wire::{wl_region::*, WlRegionId},
|
|
},
|
|
std::{cell::RefCell, rc::Rc},
|
|
thiserror::Error,
|
|
};
|
|
|
|
pub struct WlRegion {
|
|
id: WlRegionId,
|
|
client: Rc<Client>,
|
|
region: RefCell<RegionBuilder>,
|
|
pub tracker: Tracker<Self>,
|
|
}
|
|
|
|
impl WlRegion {
|
|
pub fn new(id: WlRegionId, client: &Rc<Client>) -> Self {
|
|
Self {
|
|
id,
|
|
client: client.clone(),
|
|
region: Default::default(),
|
|
tracker: Default::default(),
|
|
}
|
|
}
|
|
|
|
pub fn region(&self) -> Rc<Region> {
|
|
self.region.borrow_mut().get()
|
|
}
|
|
|
|
fn destroy(&self, parser: MsgParser<'_, '_>) -> Result<(), WlRegionError> {
|
|
let _destroy: Destroy = self.client.parse(self, parser)?;
|
|
self.client.remove_obj(self)?;
|
|
Ok(())
|
|
}
|
|
|
|
fn add(&self, parser: MsgParser<'_, '_>) -> Result<(), WlRegionError> {
|
|
let add: Add = self.client.parse(self, parser)?;
|
|
if add.width < 0 || add.height < 0 {
|
|
return Err(WlRegionError::NegativeExtents);
|
|
}
|
|
let mut region = self.region.borrow_mut();
|
|
region.add(Rect::new_sized(add.x, add.y, add.width, add.height).unwrap());
|
|
Ok(())
|
|
}
|
|
|
|
fn subtract(&self, parser: MsgParser<'_, '_>) -> Result<(), WlRegionError> {
|
|
let req: Subtract = self.client.parse(self, parser)?;
|
|
if req.width < 0 || req.height < 0 {
|
|
return Err(WlRegionError::NegativeExtents);
|
|
}
|
|
let mut region = self.region.borrow_mut();
|
|
region.sub(Rect::new_sized(req.x, req.y, req.width, req.height).unwrap());
|
|
Ok(())
|
|
}
|
|
}
|
|
|
|
object_base! {
|
|
self = WlRegion;
|
|
|
|
DESTROY => destroy,
|
|
ADD => add,
|
|
SUBTRACT => subtract,
|
|
}
|
|
|
|
impl Object for WlRegion {}
|
|
|
|
dedicated_add_obj!(WlRegion, WlRegionId, regions);
|
|
|
|
#[derive(Debug, Error)]
|
|
pub enum WlRegionError {
|
|
#[error("Parsing failed")]
|
|
MsgParserError(#[source] Box<MsgParserError>),
|
|
#[error(transparent)]
|
|
ClientError(Box<ClientError>),
|
|
#[error("width and/or height are negative")]
|
|
NegativeExtents,
|
|
}
|
|
efrom!(WlRegionError, MsgParserError);
|
|
efrom!(WlRegionError, ClientError);
|