wayland: add a generic wayland client

src/wl_usr/usr_ifs/usr_jay_workspace.rs

@@ -0,0 +1,110 @@
+use {
+    crate::{
+        utils::{
+            buffd::{MsgParser, MsgParserError},
+            clonecell::CloneCell,
+        },
+        wire::{jay_workspace::*, JayWorkspaceId},
+        wl_usr::{usr_object::UsrObject, UsrCon},
+    },
+    std::rc::Rc,
+};
+
+pub struct UsrJayWorkspace {
+    pub id: JayWorkspaceId,
+    pub con: Rc<UsrCon>,
+    pub owner: CloneCell<Option<Rc<dyn UsrJayWorkspaceOwner>>>,
+}
+
+pub trait UsrJayWorkspaceOwner {
+    fn linear_id(self: Rc<Self>, ev: &LinearId) {
+        let _ = ev;
+    }
+
+    fn name(&self, ev: &Name) {
+        let _ = ev;
+    }
+
+    fn destroyed(&self) {}
+
+    fn done(&self) {}
+
+    fn output(self: Rc<Self>, ev: &Output) {
+        let _ = ev;
+    }
+
+    fn visible(&self, visible: bool) {
+        let _ = visible;
+    }
+}
+
+impl UsrJayWorkspace {
+    fn linear_id(&self, parser: MsgParser<'_, '_>) -> Result<(), MsgParserError> {
+        let ev: LinearId = self.con.parse(self, parser)?;
+        if let Some(owner) = self.owner.get() {
+            owner.linear_id(&ev);
+        }
+        Ok(())
+    }
+
+    fn name(&self, parser: MsgParser<'_, '_>) -> Result<(), MsgParserError> {
+        let ev: Name = self.con.parse(self, parser)?;
+        if let Some(owner) = self.owner.get() {
+            owner.name(&ev);
+        }
+        Ok(())
+    }
+
+    fn destroyed(&self, parser: MsgParser<'_, '_>) -> Result<(), MsgParserError> {
+        let _ev: Destroyed = self.con.parse(self, parser)?;
+        if let Some(owner) = self.owner.get() {
+            owner.destroyed();
+        }
+        Ok(())
+    }
+
+    fn done(&self, parser: MsgParser<'_, '_>) -> Result<(), MsgParserError> {
+        let _ev: Done = self.con.parse(self, parser)?;
+        if let Some(owner) = self.owner.get() {
+            owner.done();
+        }
+        Ok(())
+    }
+
+    fn output(&self, parser: MsgParser<'_, '_>) -> Result<(), MsgParserError> {
+        let ev: Output = self.con.parse(self, parser)?;
+        if let Some(owner) = self.owner.get() {
+            owner.output(&ev);
+        }
+        Ok(())
+    }
+
+    fn visible(&self, parser: MsgParser<'_, '_>) -> Result<(), MsgParserError> {
+        let ev: Visible = self.con.parse(self, parser)?;
+        if let Some(owner) = self.owner.get() {
+            owner.visible(ev.visible != 0);
+        }
+        Ok(())
+    }
+}
+
+usr_object_base! {
+    UsrJayWorkspace, JayWorkspace;
+
+    LINEAR_ID => linear_id,
+    NAME => name,
+    DESTROYED => destroyed,
+    DONE => done,
+    OUTPUT => output,
+    VISIBLE => visible,
+}
+
+impl UsrObject for UsrJayWorkspace {
+    fn destroy(&self) {
+        self.con.request(Destroy { self_id: self.id });
+    }
+
+    fn break_loops(&self) {
+        self.owner.set(None);
+    }
+}