Start on project-wide find

crates/find/Cargo.toml

@@ -10,6 +10,7 @@ path = "src/find.rs"
 collections = { path = "../collections" }
 editor = { path = "../editor" }
 gpui = { path = "../gpui" }
+project = { path = "../project" }
 theme = { path = "../theme" }
 workspace = { path = "../workspace" }
 aho-corasick = "0.7"

crates/find/src/find.rs

@@ -1,3 +1,5 @@
+mod project_find;
+
 use aho_corasick::AhoCorasickBuilder;
 use anyhow::Result;
 use collections::HashMap;

crates/find/src/project_find.rs

@@ -0,0 +1,46 @@
+use crate::SearchMode;
+use editor::MultiBuffer;
+use gpui::{Entity, ModelContext, ModelHandle, Task};
+use project::Project;
+
+struct ProjectFind {
+    last_search: SearchParams,
+    project: ModelHandle<Project>,
+    excerpts: ModelHandle<MultiBuffer>,
+    pending_search: Task<Option<()>>,
+}
+
+#[derive(Default)]
+struct SearchParams {
+    query: String,
+    regex: bool,
+    whole_word: bool,
+    case_sensitive: bool,
+}
+
+struct ProjectFindView {
+    model: ModelHandle<ProjectFind>,
+}
+
+impl Entity for ProjectFind {
+    type Event = ();
+}
+
+impl ProjectFind {
+    fn new(project: ModelHandle<Project>, cx: &mut ModelContext<Self>) -> Self {
+        let replica_id = project.read(cx).replica_id();
+        Self {
+            project,
+            last_search: Default::default(),
+            excerpts: cx.add_model(|_| MultiBuffer::new(replica_id)),
+            pending_search: Task::ready(None),
+        }
+    }
+
+    fn search(&mut self, params: SearchParams, cx: &mut ModelContext<Self>) {
+        self.pending_search = cx.spawn_weak(|this, cx| async move {
+            //
+            None
+        });
+    }
+}