Initialize Rust GPUI browser shell

crates/ely_domain/src/split.rs

@@ -0,0 +1,60 @@
+use crate::{SplitId, TabId};
+
+#[derive(Clone, Debug, Eq, PartialEq)]
+pub enum SplitAxis {
+    Horizontal,
+    Vertical,
+    Grid,
+}
+
+#[derive(Clone, Debug, Eq, PartialEq)]
+pub struct SplitPane {
+    tab_id: TabId,
+    weight: u16,
+}
+
+impl SplitPane {
+    #[must_use]
+    pub fn new(tab_id: TabId, weight: u16) -> Self {
+        Self { tab_id, weight }
+    }
+
+    #[must_use]
+    pub fn tab_id(&self) -> &TabId {
+        &self.tab_id
+    }
+
+    #[must_use]
+    pub fn weight(&self) -> u16 {
+        self.weight
+    }
+}
+
+#[derive(Clone, Debug, Eq, PartialEq)]
+pub struct SplitLayout {
+    id: SplitId,
+    axis: SplitAxis,
+    panes: Vec<SplitPane>,
+}
+
+impl SplitLayout {
+    #[must_use]
+    pub fn new(axis: SplitAxis, panes: Vec<SplitPane>) -> Self {
+        Self { id: SplitId::new(), axis, panes }
+    }
+
+    #[must_use]
+    pub fn id(&self) -> &SplitId {
+        &self.id
+    }
+
+    #[must_use]
+    pub fn axis(&self) -> &SplitAxis {
+        &self.axis
+    }
+
+    #[must_use]
+    pub fn panes(&self) -> &[SplitPane] {
+        &self.panes
+    }
+}