Initial implementation of global search (#651)

* initial implementation of global search

* use tokio::sync::mpsc::unbounded_channel instead of Arc, Mutex, Waker poll_fn

* use tokio_stream::wrappers::UnboundedReceiverStream to collect all search matches

* regex_prompt: unified callback; refactor

* global search doc

1 files changed, 10 insertions, 2 deletions

diff --git a/helix-term/src/ui/mod.rs b/helix-term/src/ui/mod.rs
index f6536eb2..810a9966 100644
--- a/helix-term/src/ui/mod.rs
+++ b/helix-term/src/ui/mod.rs
@@ -29,7 +29,7 @@ pub fn regex_prompt(
     cx: &mut crate::commands::Context,
     prompt: std::borrow::Cow<'static, str>,
     history_register: Option<char>,
-    fun: impl Fn(&mut View, &mut Document, Regex) + 'static,
+    fun: impl Fn(&mut View, &mut Document, Regex, PromptEvent) + 'static,
 ) -> Prompt {
     let (view, doc) = current!(cx.editor);
     let view_id = view.id;
@@ -47,6 +47,14 @@ pub fn regex_prompt(
                 }
                 PromptEvent::Validate => {
                     // TODO: push_jump to store selection just before jump
+
+                    match Regex::new(input) {
+                        Ok(regex) => {
+                            let (view, doc) = current!(cx.editor);
+                            fun(view, doc, regex, event);
+                        }
+                        Err(_err) => (), // TODO: mark command line as error
+                    }
                 }
                 PromptEvent::Update => {
                     // skip empty input, TODO: trigger default
@@ -70,7 +78,7 @@ pub fn regex_prompt(
                             // revert state to what it was before the last update
                             doc.set_selection(view.id, snapshot.clone());
 
-                            fun(view, doc, regex);
+                            fun(view, doc, regex, event);
 
                             view.ensure_cursor_in_view(doc, cx.editor.config.scrolloff);
                         }