autocommit 2022-01-03 18:56:52 CET

src/ifs/wl_surface/xdg_surface/mod.rs

@@ -0,0 +1,119 @@
+mod types;
+pub mod xdg_popup;
+pub mod xdg_toplevel;
+
+use crate::ifs::wl_surface::{RoleData, SurfaceRole, WlSurface, XdgSurfaceData};
+use crate::object::{Interface, Object, ObjectId};
+use crate::utils::buffd::MsgParser;
+use std::rc::Rc;
+pub use types::*;
+use crate::client::AddObj;
+use crate::ifs::xdg_wm_base::XdgWmBaseObj;
+
+const DESTROY: u32 = 0;
+const GET_TOPLEVEL: u32 = 1;
+const GET_POPUP: u32 = 2;
+const SET_WINDOW_GEOMETRY: u32 = 3;
+const ACK_CONFIGURE: u32 = 4;
+
+const CONFIGURE: u32 = 0;
+
+const NOT_CONSTRUCTED: u32 = 1;
+const ALREADY_CONSTRUCTED: u32 = 2;
+const UNCONFIGURED_BUFFER: u32 = 3;
+
+pub struct XdgSurface {
+    id: ObjectId,
+    wm_base: Rc<XdgWmBaseObj>,
+    surface: Rc<WlSurface>,
+    version: u32,
+}
+
+impl XdgSurface {
+    pub fn new(wm_base: &Rc<XdgWmBaseObj>, id: ObjectId, surface: &Rc<WlSurface>, version: u32) -> Self {
+        Self {
+            id,
+            wm_base: wm_base.clone(),
+            surface: surface.clone(),
+            version,
+        }
+    }
+
+    pub fn install(self: &Rc<Self>) -> Result<(), XdgSurfaceError> {
+        let old_role = self.surface.role.get();
+        if !matches!(old_role, SurfaceRole::None | SurfaceRole::XdgSurface) {
+            return Err(XdgSurfaceError::IncompatibleRole(self.surface.id, old_role));
+        }
+        let mut data = self.surface.role_data.borrow_mut();
+        if data.is_some() {
+            return Err(XdgSurfaceError::AlreadyAttached(self.surface.id));
+        }
+        *data = RoleData::XdgSurface(Box::new(XdgSurfaceData {
+            xdg_surface: self.clone(),
+        }));
+        Ok(())
+    }
+
+    async fn destroy(&self, parser: MsgParser<'_, '_>) -> Result<(), DestroyError> {
+        let _req: Destroy = self.surface.client.parse(self, parser)?;
+        *self.surface.role_data.borrow_mut() = RoleData::None;
+        self.wm_base.surfaces.remove(&self.id);
+        self.surface.client.remove_obj(self).await?;
+        Ok(())
+    }
+
+    async fn get_toplevel(&self, parser: MsgParser<'_, '_>) -> Result<(), GetToplevelError> {
+        let _req: GetToplevel = self.surface.client.parse(self, parser)?;
+        Ok(())
+    }
+
+    async fn get_popup(&self, parser: MsgParser<'_, '_>) -> Result<(), GetPopupError> {
+        let _req: GetPopup = self.surface.client.parse(self, parser)?;
+        Ok(())
+    }
+
+    async fn set_window_geometry(
+        &self,
+        parser: MsgParser<'_, '_>,
+    ) -> Result<(), SetWindowGeometryError> {
+        let _req: SetWindowGeometry = self.surface.client.parse(self, parser)?;
+        Ok(())
+    }
+
+    async fn ack_configure(&self, parser: MsgParser<'_, '_>) -> Result<(), AckConfigureError> {
+        let _req: AckConfigure = self.surface.client.parse(self, parser)?;
+        Ok(())
+    }
+
+    async fn handle_request_(
+        &self,
+        request: u32,
+        parser: MsgParser<'_, '_>,
+    ) -> Result<(), XdgSurfaceError> {
+        match request {
+            DESTROY => self.destroy(parser).await?,
+            GET_TOPLEVEL => self.get_toplevel(parser).await?,
+            GET_POPUP => self.get_popup(parser).await?,
+            SET_WINDOW_GEOMETRY => self.set_window_geometry(parser).await?,
+            ACK_CONFIGURE => self.ack_configure(parser).await?,
+            _ => unreachable!(),
+        }
+        Ok(())
+    }
+}
+
+handle_request!(XdgSurface);
+
+impl Object for XdgSurface {
+    fn id(&self) -> ObjectId {
+        self.id
+    }
+
+    fn interface(&self) -> Interface {
+        Interface::XdgSurface
+    }
+
+    fn num_requests(&self) -> u32 {
+        ACK_CONFIGURE + 1
+    }
+}