From f99bea404f43ea0e373fd9fe54616d3282e8364b Mon Sep 17 00:00:00 2001
From: Blaž Hrastnik
Date: Sun, 22 Aug 2021 15:28:45 +0900
Subject: idle timer wip

---
 helix-view/src/editor.rs | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

(limited to 'helix-view/src/editor.rs')

diff --git a/helix-view/src/editor.rs b/helix-view/src/editor.rs
index b08a2df2..5362acc8 100644
--- a/helix-view/src/editor.rs
+++ b/helix-view/src/editor.rs
@@ -9,10 +9,12 @@ use crate::{
 use futures_util::future;
 use std::{
     path::{Path, PathBuf},
+    pin::Pin,
     sync::Arc,
-    time::Duration,
 };
 
+use tokio::time::{sleep, Duration, Instant, Sleep};
+
 use slotmap::SlotMap;
 
 use anyhow::Error;
@@ -91,6 +93,8 @@ pub struct Editor {
     pub status_msg: Option<(String, Severity)>,
 
     pub config: Config,
+
+    pub idle_timer: Pin<Box<Sleep>>,
 }
 
 #[derive(Debug, Copy, Clone)]
@@ -125,10 +129,24 @@ impl Editor {
             registers: Registers::default(),
             clipboard_provider: get_clipboard_provider(),
             status_msg: None,
+            idle_timer: Box::pin(sleep(Duration::from_millis(500))),
             config,
         }
     }
 
+    pub fn clear_idle_timer(&mut self) {
+        // equivalent to internal Instant::far_future() (30 years)
+        self.idle_timer
+            .as_mut()
+            .reset(Instant::now() + Duration::from_secs(86400 * 365 * 30));
+    }
+
+    pub fn reset_idle_timer(&mut self) {
+        self.idle_timer
+            .as_mut()
+            .reset(Instant::now() + Duration::from_millis(500));
+    }
+
     pub fn clear_status(&mut self) {
         self.status_msg = None;
     }
-- 
cgit v1.2.3-70-g09d2


From 633b981db22bb30c601b838eaaeb814a64156125 Mon Sep 17 00:00:00 2001
From: Blaž Hrastnik
Date: Sun, 10 Oct 2021 12:32:06 +0900
Subject: Make idle-timeout configurable

---
 book/src/configuration.md  |  1 +
 helix-term/src/commands.rs | 11 +++++++++--
 helix-view/src/editor.rs   | 12 ++++++++++++
 3 files changed, 22 insertions(+), 2 deletions(-)

(limited to 'helix-view/src/editor.rs')

diff --git a/book/src/configuration.md b/book/src/configuration.md
index 60b12bfd..f30146dd 100644
--- a/book/src/configuration.md
+++ b/book/src/configuration.md
@@ -19,6 +19,7 @@ To override global configuration parameters, create a `config.toml` file located
 | `line-number` | Line number display (`absolute`, `relative`) | `absolute` |
 | `smart-case` | Enable smart case regex searching (case insensitive unless pattern contains upper case characters) | `true` |
 | `auto-pairs` | Enable automatic insertion of pairs to parenthese, brackets, etc. | `true` |
+| `idle-timeout` | Time in milliseconds since last keypress before idle timers trigger. Used for autocompletion, set to 0 for instant. | `400` |
 
 ## LSP
 
diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index 3798c99a..f005e376 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -4130,7 +4130,7 @@ pub fn completion(cx: &mut Context) {
             };
 
             if items.is_empty() {
-                editor.set_error("No completion available".to_string());
+                // editor.set_error("No completion available".to_string());
                 return;
             }
             let size = compositor.size();
@@ -4138,7 +4138,14 @@ pub fn completion(cx: &mut Context) {
                 .find(std::any::type_name::<ui::EditorView>())
                 .unwrap();
             if let Some(ui) = ui.as_any_mut().downcast_mut::<ui::EditorView>() {
-                ui.set_completion(editor, items, offset_encoding, start_offset, trigger_offset, size);
+                ui.set_completion(
+                    editor,
+                    items,
+                    offset_encoding,
+                    start_offset,
+                    trigger_offset,
+                    size,
+                );
             };
         },
     );
diff --git a/helix-view/src/editor.rs b/helix-view/src/editor.rs
index 5362acc8..5af6dbf3 100644
--- a/helix-view/src/editor.rs
+++ b/helix-view/src/editor.rs
@@ -26,6 +26,14 @@ use helix_core::Position;
 
 use serde::Deserialize;
 
+fn deserialize_duration_millis<'de, D>(deserializer: D) -> Result<Duration, D::Error>
+where
+    D: serde::Deserializer<'de>,
+{
+    let millis = u64::deserialize(deserializer)?;
+    Ok(Duration::from_millis(millis))
+}
+
 #[derive(Debug, Clone, PartialEq, Deserialize)]
 #[serde(rename_all = "kebab-case", default)]
 pub struct Config {
@@ -45,6 +53,9 @@ pub struct Config {
     pub smart_case: bool,
     /// Automatic insertion of pairs to parentheses, brackets, etc. Defaults to true.
     pub auto_pairs: bool,
+    /// Time in milliseconds since last keypress before idle timers trigger. Used for autocompletion, set to 0 for instant. Defaults to 400ms.
+    #[serde(skip_serializing, deserialize_with = "deserialize_duration_millis")]
+    pub idle_timeout: Duration,
 }
 
 #[derive(Debug, Clone, PartialEq, Eq, Deserialize)]
@@ -72,6 +83,7 @@ impl Default for Config {
             middle_click_paste: true,
             smart_case: true,
             auto_pairs: true,
+            idle_timeout: Duration::from_millis(400),
         }
     }
 }
-- 
cgit v1.2.3-70-g09d2