autocommit 2022-02-06 16:33:54 CET

src/ifs/wl_data_device.rs

@@ -0,0 +1,133 @@
+use crate::client::{ClientError, DynEventFormatter};
+use crate::ifs::wl_data_device_manager::WlDataDeviceManager;
+use crate::ifs::wl_seat::WlSeat;
+use crate::object::Object;
+use crate::utils::buffd::MsgParser;
+use std::rc::Rc;
+use thiserror::Error;
+use crate::ifs::wl_data_source::WlDataSourceError;
+use crate::wire::wl_data_device::*;
+use crate::utils::buffd::MsgParserError;
+use crate::wire::{WlDataDeviceId, WlDataOfferId};
+
+#[allow(dead_code)]
+const ROLE: u32 = 0;
+
+pub struct WlDataDevice {
+    pub id: WlDataDeviceId,
+    pub manager: Rc<WlDataDeviceManager>,
+    seat: Rc<WlSeat>,
+}
+
+impl WlDataDevice {
+    pub fn new(id: WlDataDeviceId, manager: &Rc<WlDataDeviceManager>, seat: &Rc<WlSeat>) -> Self {
+        Self {
+            id,
+            manager: manager.clone(),
+            seat: seat.clone(),
+        }
+    }
+
+    pub fn data_offer(self: &Rc<Self>, id: WlDataOfferId) -> DynEventFormatter {
+        Box::new(DataOffer {
+            self_id: self.id,
+            id,
+        })
+    }
+
+    pub fn selection(self: &Rc<Self>, id: WlDataOfferId) -> DynEventFormatter {
+        Box::new(Selection {
+            self_id: self.id,
+            id,
+        })
+    }
+
+    fn start_drag(&self, parser: MsgParser<'_, '_>) -> Result<(), StartDragError> {
+        let _req: StartDrag = self.manager.client.parse(self, parser)?;
+        Ok(())
+    }
+
+    fn set_selection(&self, parser: MsgParser<'_, '_>) -> Result<(), SetSelectionError> {
+        let req: SetSelection = self.manager.client.parse(self, parser)?;
+        let src = if req.source.is_none() {
+            None
+        } else {
+            Some(self.manager.client.lookup(req.source)?)
+        };
+        self.seat.global.set_selection(src)?;
+        Ok(())
+    }
+
+    fn release(&self, parser: MsgParser<'_, '_>) -> Result<(), ReleaseError> {
+        let _req: Release = self.manager.client.parse(self, parser)?;
+        self.seat.remove_data_device(self);
+        self.manager.client.remove_obj(self)?;
+        Ok(())
+    }
+}
+
+object_base! {
+    WlDataDevice, WlDataDeviceError;
+
+    START_DRAG => start_drag,
+    SET_SELECTION => set_selection,
+    RELEASE => release,
+}
+
+impl Object for WlDataDevice {
+    fn num_requests(&self) -> u32 {
+        RELEASE + 1
+    }
+
+    fn break_loops(&self) {
+        self.seat.remove_data_device(self);
+    }
+}
+
+simple_add_obj!(WlDataDevice);
+
+#[derive(Debug, Error)]
+pub enum WlDataDeviceError {
+    #[error(transparent)]
+    ClientError(Box<ClientError>),
+    #[error("Could not process `start_drag` request")]
+    StartDragError(#[from] StartDragError),
+    #[error("Could not process `set_selection` request")]
+    SetSelectionError(#[from] SetSelectionError),
+    #[error("Could not process `release` request")]
+    ReleaseError(#[from] ReleaseError),
+}
+efrom!(WlDataDeviceError, ClientError);
+
+#[derive(Debug, Error)]
+pub enum StartDragError {
+    #[error("Parsing failed")]
+    ParseFailed(#[source] Box<MsgParserError>),
+    #[error(transparent)]
+    ClientError(Box<ClientError>),
+}
+efrom!(StartDragError, ParseFailed, MsgParserError);
+efrom!(StartDragError, ClientError);
+
+#[derive(Debug, Error)]
+pub enum SetSelectionError {
+    #[error("Parsing failed")]
+    ParseFailed(#[source] Box<MsgParserError>),
+    #[error(transparent)]
+    ClientError(Box<ClientError>),
+    #[error(transparent)]
+    WlDataSourceError(Box<WlDataSourceError>),
+}
+efrom!(SetSelectionError, ParseFailed, MsgParserError);
+efrom!(SetSelectionError, ClientError);
+efrom!(SetSelectionError, WlDataSourceError);
+
+#[derive(Debug, Error)]
+pub enum ReleaseError {
+    #[error("Parsing failed")]
+    ParseFailed(#[source] Box<MsgParserError>),
+    #[error(transparent)]
+    ClientError(Box<ClientError>),
+}
+efrom!(ReleaseError, ParseFailed, MsgParserError);
+efrom!(ReleaseError, ClientError);