Merge branch 'master' into great_line_ending_and_cursor_range_cleanup

7 files changed, 88 insertions, 20 deletions

diff --git a/Cargo.lock b/Cargo.lock
index a1f0a798..0fa6ad14 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -238,15 +238,15 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0402f765d8a89a26043b889b26ce3c4679d268fa6bb22cd7c6aad98340e179d1"
+checksum = "af51b1b4a7fdff033703db39de8802c673eb91855f2e0d47dcf3bf2c0ef01f99"
 
 [[package]]
 name = "futures-executor"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "badaa6a909fac9e7236d0620a2f57f7664640c56575b71a7552fbd68deafab79"
+checksum = "4d0d535a57b87e1ae31437b892713aee90cd2d7b0ee48727cd11fc72ef54761c"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -255,15 +255,15 @@ dependencies = [
 
 [[package]]
 name = "futures-task"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a16bef9fc1a4dddb5bee51c989e3fbba26569cbb0e31f5b303c184e3dd33dae"
+checksum = "bbe54a98670017f3be909561f6ad13e810d9a51f3f061b902062ca3da80799f2"
 
 [[package]]
 name = "futures-util"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "feb5c238d27e2bf94ffdfd27b2c29e3df4a68c4193bb6427384259e2bf191967"
+checksum = "67eb846bfd58e44a8481a00049e82c43e0ccb5d61f8dc071057cb19249dd4d78"
 dependencies = [
  "autocfg",
  "futures-core",
@@ -475,9 +475,9 @@ checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
 
 [[package]]
 name = "jsonrpc-core"
-version = "17.1.0"
+version = "18.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d4467ab6dfa369b69e52bd0692e480c4d117410538526a57a304a0f2250fd95e"
+checksum = "14f7f76aef2d054868398427f6c54943cf3d1caa9a7ec7d0c38d69df97a965eb"
 dependencies = [
  "futures-util",
  "log",
@@ -1009,9 +1009,9 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.8.2"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2602b8af3767c285202012822834005f596c811042315fa7e9f5b12b2a43207"
+checksum = "4b7b349f11a7047e6d1276853e612d152f5e8a352c61917887cc2169e2366b4c"
 dependencies = [
  "autocfg",
  "bytes",
diff --git a/book/book.toml b/book/book.toml
index e6d3eee3..3ccaf71e 100644
--- a/book/book.toml
+++ b/book/book.toml
@@ -4,6 +4,7 @@ language = "en"
 multilingual = false
 src = "src"
 theme = "colibri"
+edit-url-template = "https://github.com/helix-editor/helix/tree/master/book/{path}?mode=edit"
 
 [output.html]
 cname = "docs.helix-editor.com"
diff --git a/helix-lsp/Cargo.toml b/helix-lsp/Cargo.toml
index be099821..cf1f30a7 100644
--- a/helix-lsp/Cargo.toml
+++ b/helix-lsp/Cargo.toml
@@ -17,11 +17,11 @@ helix-core = { version = "0.3", path = "../helix-core" }
 anyhow = "1.0"
 futures-executor = "0.3"
 futures-util = { version = "0.3", features = ["std", "async-await"], default-features = false }
-jsonrpc-core = { version = "17.1", default-features = false } # don't pull in all of futures
+jsonrpc-core = { version = "18.0", default-features = false } # don't pull in all of futures
 log = "0.4"
 lsp-types = { version = "0.89", features = ["proposed"] }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 thiserror = "1.0"
-tokio = { version = "1.8", features = ["full"] }
+tokio = { version = "1.9", features = ["full"] }
 tokio-stream = "0.1.7"
diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index a37d2d26..acf1c454 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -228,13 +228,14 @@ impl Command {
         goto_definition, "Goto definition",
         goto_type_definition, "Goto type definition",
         goto_implementation, "Goto implementation",
-        goto_file_start, "Goto file start",
+        goto_file_start, "Goto file start/line",
         goto_file_end, "Goto file end",
         goto_reference, "Goto references",
         goto_window_top, "Goto window top",
         goto_window_middle, "Goto window middle",
         goto_window_bottom, "Goto window bottom",
         goto_last_accessed_file, "Goto last accessed file",
+        goto_line, "Goto line",
         goto_first_diag, "Goto first diagnostic",
         goto_last_diag, "Goto last diagnostic",
         goto_next_diag, "Goto next diagnostic",
@@ -553,9 +554,13 @@ fn move_next_long_word_end(cx: &mut Context) {
 }
 
 fn goto_file_start(cx: &mut Context) {
-    push_jump(cx.editor);
-    let (view, doc) = current!(cx.editor);
-    doc.set_selection(view.id, Selection::point(0));
+    if cx.count.is_some() {
+        goto_line(cx);
+    } else {
+        push_jump(cx.editor);
+        let (view, doc) = current!(cx.editor);
+        doc.set_selection(view.id, Selection::point(0));
+    }
 }
 
 fn goto_file_end(cx: &mut Context) {
@@ -2442,6 +2447,17 @@ fn push_jump(editor: &mut Editor) {
     view.jumps.push(jump);
 }
 
+fn goto_line(cx: &mut Context) {
+    if let Some(count) = cx.count {
+        push_jump(cx.editor);
+
+        let (view, doc) = current!(cx.editor);
+        let line_idx = std::cmp::min(count.get() - 1, doc.text().len_lines().saturating_sub(2));
+        let pos = doc.text().line_to_char(line_idx);
+        doc.set_selection(view.id, Selection::point(pos));
+    }
+}
+
 fn goto_last_accessed_file(cx: &mut Context) {
     let alternate_file = view!(cx.editor).last_accessed_doc;
     if let Some(alt) = alternate_file {
diff --git a/helix-term/src/keymap.rs b/helix-term/src/keymap.rs
index 93cc5328..95479340 100644
--- a/helix-term/src/keymap.rs
+++ b/helix-term/src/keymap.rs
@@ -234,6 +234,7 @@ pub struct Keymap {
     /// Always a Node
     #[serde(flatten)]
     root: KeyTrie,
+    /// Stores pending keys waiting for the next key
     #[serde(skip)]
     state: Vec<KeyEvent>,
 }
@@ -250,6 +251,11 @@ impl Keymap {
         &self.root
     }
 
+    /// Returns list of keys waiting to be disambiguated.
+    pub fn pending(&self) -> &[KeyEvent] {
+        &self.state
+    }
+
     /// Lookup `key` in the keymap to try and find a command to execute
     pub fn get(&mut self, key: KeyEvent) -> KeymapResult {
         let &first = self.state.get(0).unwrap_or(&key);
@@ -292,6 +298,19 @@ impl Default for Keymap {
 #[serde(transparent)]
 pub struct Keymaps(pub HashMap<Mode, Keymap>);
 
+impl Keymaps {
+    /// Returns list of keys waiting to be disambiguated in current mode.
+    pub fn pending(&self) -> &[KeyEvent] {
+        self.0
+            .values()
+            .find_map(|keymap| match keymap.pending().is_empty() {
+                true => None,
+                false => Some(keymap.pending()),
+            })
+            .unwrap_or_default()
+    }
+}
+
 impl Deref for Keymaps {
     type Target = HashMap<Mode, Keymap>;
 
@@ -337,6 +356,7 @@ impl Default for Keymaps {
             "E" => move_next_long_word_end,
 
             "v" => select_mode,
+            "G" => goto_line,
             "g" => { "Goto"
                 "g" => goto_file_start,
                 "e" => goto_file_end,
diff --git a/helix-term/src/ui/editor.rs b/helix-term/src/ui/editor.rs
index 3e131bf1..d5c907b8 100644
--- a/helix-term/src/ui/editor.rs
+++ b/helix-term/src/ui/editor.rs
@@ -10,6 +10,8 @@ use helix_core::{
     coords_at_pos,
     graphemes::{ensure_grapheme_boundary_next, next_grapheme_boundary, prev_grapheme_boundary},
     syntax::{self, HighlightEvent},
+    unicode::segmentation::UnicodeSegmentation,
+    unicode::width::UnicodeWidthStr,
     LineEnding, Position, Range,
 };
 use helix_view::{
@@ -662,7 +664,7 @@ impl EditorView {
             }
             _ => {
                 // set the count
-                cxt.count = cxt.editor.count.take();
+                cxt.count = cxt.editor.count;
                 // TODO: edge case: 0j -> reset to 1
                 // if this fails, count was Some(0)
                 // debug_assert!(cxt.count != 0);
@@ -671,6 +673,9 @@ impl EditorView {
                 cxt.selected_register = cxt.editor.selected_register.take();
 
                 self.handle_keymap_event(mode, cxt, event);
+                if self.keymaps.pending().is_empty() {
+                    cxt.editor.count = None
+                }
             }
         }
     }
@@ -830,8 +835,12 @@ impl Component for EditorView {
             info.render(area, surface, cx);
         }
 
+        let key_width = 15u16; // for showing pending keys
+        let mut status_msg_width = 0;
+
         // render status msg
         if let Some((status_msg, severity)) = &cx.editor.status_msg {
+            status_msg_width = status_msg.width();
             use helix_view::editor::Severity;
             let style = if *severity == Severity::Error {
                 cx.editor.theme.get("error")
@@ -847,6 +856,28 @@ impl Component for EditorView {
             );
         }
 
+        if area.width.saturating_sub(status_msg_width as u16) > key_width {
+            let mut disp = String::new();
+            if let Some(count) = cx.editor.count {
+                disp.push_str(&count.to_string())
+            }
+            for key in self.keymaps.pending() {
+                let s = key.to_string();
+                if s.graphemes(true).count() > 1 {
+                    disp.push_str(&format!("<{}>", s));
+                } else {
+                    disp.push_str(&s);
+                }
+            }
+            surface.set_string(
+                area.x + area.width.saturating_sub(key_width),
+                area.y + area.height.saturating_sub(1),
+                disp.get(disp.len().saturating_sub(key_width as usize)..)
+                    .unwrap_or(&disp),
+                cx.editor.theme.get("ui.text"),
+            );
+        }
+
         if let Some(completion) = &self.completion {
             completion.render(area, surface, cx);
         }
diff --git a/helix-view/src/keyboard.rs b/helix-view/src/keyboard.rs
index 30a169e1..26a4d6d2 100644
--- a/helix-view/src/keyboard.rs
+++ b/helix-view/src/keyboard.rs
@@ -75,7 +75,7 @@ pub enum KeyCode {
     End,

     /// Page up key.

     PageUp,

-    /// Page dow key.

+    /// Page down key.

     PageDown,

     /// Tab key.

     Tab,