Fix issues:

- fix the operators' display in the status bar
- fill the subword object placeholder
- fix some spelling mistakes
- fix a bug where the first and last words in a buffer couldn't be selected

crates/editor/src/movement.rs

@@ -4,7 +4,7 @@
 use super::{Bias, DisplayPoint, DisplaySnapshot, SelectionGoal, ToDisplayPoint};
 use crate::{DisplayRow, EditorStyle, ToOffset, ToPoint, scroll::ScrollAnchor};
 use gpui::{Pixels, WindowTextSystem};
-use language::Point;
+use language::{CharClassifier, Point};
 use multi_buffer::{MultiBufferRow, MultiBufferSnapshot};
 use serde::Deserialize;
 use workspace::searchable::Direction;
@@ -303,15 +303,18 @@ pub fn previous_subword_start(map: &DisplaySnapshot, point: DisplayPoint) -> Dis
     let classifier = map.buffer_snapshot.char_classifier_at(raw_point);
 
     find_preceding_boundary_display_point(map, point, FindRange::MultiLine, |left, right| {
-        let is_word_start =
+        is_subword_start(left, right, &classifier) || left == '\n'
-            classifier.kind(left) != classifier.kind(right) && !right.is_whitespace();
-        let is_subword_start = classifier.is_word('-') && left == '-' && right != '-'
-            || left == '_' && right != '_'
-            || left.is_lowercase() && right.is_uppercase();
-        is_word_start || is_subword_start || left == '\n'
     })
 }
 
+pub fn is_subword_start(left: char, right: char, classifier: &CharClassifier) -> bool {
+    let is_word_start = classifier.kind(left) != classifier.kind(right) && !right.is_whitespace();
+    let is_subword_start = classifier.is_word('-') && left == '-' && right != '-'
+        || left == '_' && right != '_'
+        || left.is_lowercase() && right.is_uppercase();
+    is_word_start || is_subword_start
+}
+
 /// Returns a position of the next word boundary, where a word character is defined as either
 /// uppercase letter, lowercase letter, '_' character or language-specific word character (like '-' in CSS).
 pub fn next_word_end(map: &DisplaySnapshot, point: DisplayPoint) -> DisplayPoint {
@@ -361,15 +364,19 @@ pub fn next_subword_end(map: &DisplaySnapshot, point: DisplayPoint) -> DisplayPo
     let classifier = map.buffer_snapshot.char_classifier_at(raw_point);
 
     find_boundary(map, point, FindRange::MultiLine, |left, right| {
-        let is_word_end =
+        is_subword_end(left, right, &classifier) || right == '\n'
-            (classifier.kind(left) != classifier.kind(right)) && !classifier.is_whitespace(left);
-        let is_subword_end = classifier.is_word('-') && left != '-' && right == '-'
-            || left != '_' && right == '_'
-            || left.is_lowercase() && right.is_uppercase();
-        is_word_end || is_subword_end || right == '\n'
     })
 }
 
+pub fn is_subword_end(left: char, right: char, classifier: &CharClassifier) -> bool {
+    let is_word_end =
+        (classifier.kind(left) != classifier.kind(right)) && !classifier.is_whitespace(left);
+    let is_subword_end = classifier.is_word('-') && left != '-' && right == '-'
+        || left != '_' && right == '_'
+        || left.is_lowercase() && right.is_uppercase();
+    is_word_end || is_subword_end
+}
+
 /// Returns a position of the start of the current paragraph, where a paragraph
 /// is defined as a run of non-blank lines.
 pub fn start_of_paragraph(

crates/vim/src/helix/boundary.rs

@@ -3,6 +3,7 @@ use std::{error::Error, fmt::Display};
 use editor::{
     DisplayPoint,
     display_map::{DisplaySnapshot, ToDisplayPoint},
+    movement,
 };
 use language::{CharClassifier, CharKind};
 use text::Bias;
@@ -19,7 +20,8 @@ impl Display for UnboundedErr {
 impl Error for UnboundedErr {}
 
 impl Object {
-    /// Returns the beginning of the inside of the closest object after the cursor if it can easily be found. Follows helix convention;
+    /// Returns the beginning of the inside of the closest object after the cursor if it can easily be found.
+    /// Follows helix convention.
     pub fn helix_next_start(
         self,
         map: &DisplaySnapshot,
@@ -32,7 +34,8 @@ impl Object {
             self.helix_is_start(right, left, classifier)
         })
     }
-    /// Returns the end of the inside of the closest object after the cursor if it can easily be found. Follows helix convention;
+    /// Returns the end of the inside of the closest object after the cursor if it can easily be found.
+    /// Follows helix convention.
     pub fn helix_next_end(
         self,
         map: &DisplaySnapshot,
@@ -45,7 +48,8 @@ impl Object {
             self.helix_is_end(right, left, classifier)
         })
     }
-    /// Returns the beginning of the inside of the closest object before the cursor if it can easily be found. Follows helix convention;
+    /// Returns the beginning of the inside of the closest object before the cursor if it can easily be found.
+    /// Follows helix convention.
     pub fn helix_previous_start(
         self,
         map: &DisplaySnapshot,
@@ -58,7 +62,8 @@ impl Object {
             self.helix_is_start(right, left, classifier)
         })
     }
-    /// Returns the end of the inside of the closest object before the cursor if it can easily be found. Follows helix convention;
+    /// Returns the end of the inside of the closest object before the cursor if it can easily be found.
+    /// Follows helix convention.
     pub fn helix_previous_end(
         self,
         map: &DisplaySnapshot,
@@ -81,10 +86,11 @@ impl Object {
         match self {
             Self::Word { ignore_punctuation } => {
                 let classifier = classifier.ignore_punctuation(ignore_punctuation);
-                Ok(is_word_start(left, right, classifier))
+                Ok(is_word_start(left, right, classifier) || is_buffer_start(left))
             }
             Self::Subword { ignore_punctuation } => {
-                todo!()
+                let classifier = classifier.ignore_punctuation(ignore_punctuation);
+                Ok(movement::is_subword_start(left, right, &classifier) || is_buffer_start(left))
             }
             Self::AngleBrackets => Ok(left == '<'),
             Self::BackQuotes => Ok(left == '`'),
@@ -106,10 +112,11 @@ impl Object {
         match self {
             Self::Word { ignore_punctuation } => {
                 let classifier = classifier.ignore_punctuation(ignore_punctuation);
-                Ok(is_word_end(left, right, classifier))
+                Ok(is_word_end(left, right, classifier) || is_buffer_end(right))
             }
             Self::Subword { ignore_punctuation } => {
-                todo!()
+                let classifier = classifier.ignore_punctuation(ignore_punctuation);
+                Ok(movement::is_subword_end(left, right, &classifier) || is_buffer_end(right))
             }
             Self::AngleBrackets => Ok(right == '>'),
             Self::BackQuotes => Ok(right == '`'),
@@ -136,7 +143,7 @@ fn try_find_boundary(
         .next()
         .unwrap_or('\0');
 
-    for ch in map.buffer_snapshot.chars_at(offset) {
+    for ch in map.buffer_snapshot.chars_at(offset).chain(['\0']) {
         if is_boundary(prev_ch, ch)? {
             return Ok(Some(
                 map.clip_point(offset.to_display_point(map), Bias::Right),
@@ -157,13 +164,13 @@ fn try_find_preceding_boundary(
     let mut offset = from.to_offset(map, Bias::Right);
     let mut prev_ch = map.buffer_snapshot.chars_at(offset).next().unwrap_or('\0');
 
-    for ch in map.buffer_snapshot.reversed_chars_at(offset) {
+    for ch in map.buffer_snapshot.reversed_chars_at(offset).chain(['\0']) {
         if is_boundary(ch, prev_ch)? {
             return Ok(Some(
                 map.clip_point(offset.to_display_point(map), Bias::Right),
             ));
         }
-        offset -= ch.len_utf8();
+        offset = offset.saturating_sub(ch.len_utf8());
         prev_ch = ch;
     }
 
@@ -174,6 +181,10 @@ fn is_buffer_start(left: char) -> bool {
     left == '\0'
 }
 
+fn is_buffer_end(right: char) -> bool {
+    right == '\0'
+}
+
 fn is_word_start(left: char, right: char, classifier: CharClassifier) -> bool {
     classifier.kind(left) != classifier.kind(right)
         && classifier.kind(right) != CharKind::Whitespace

crates/vim/src/helix/object.rs

@@ -84,7 +84,8 @@ impl Object {
         }
     }
 
-    /// Returns the range of the object the cursor is over if it can be found with simple boundary checking. Potentially none. Follows helix convention.
+    /// Returns the range of the object the cursor is over if it can be found with simple boundary checking.
+    /// Potentially none. Follows helix convention.
     fn current_bounded_object(
         self,
         map: &DisplaySnapshot,
@@ -116,7 +117,8 @@ impl Object {
         Ok(Some(prev_start..next_end))
     }
 
-    /// Returns the range of the next object the cursor is not over if it can be found with simple boundary checking. Potentially none. Follows helix convention.
+    /// Returns the range of the next object the cursor is not over if it can be found with simple boundary checking.
+    /// Potentially none. Follows helix convention.
     fn next_bounded_object(
         self,
         map: &DisplaySnapshot,
@@ -138,7 +140,8 @@ impl Object {
         Ok(Some(next_start..end))
     }
 
-    /// Returns the previous range of the object the cursor not is over if it can be found with simple boundary checking. Potentially none. Follows helix convention.
+    /// Returns the previous range of the object the cursor not is over if it can be found with simple boundary checking.
+    /// Potentially none. Follows helix convention.
     fn previous_bounded_object(
         self,
         map: &DisplaySnapshot,

crates/vim/src/state.rs

@@ -1044,6 +1044,8 @@ impl Operator {
             Operator::AutoIndent => "=".to_string(),
             Operator::ShellCommand => "=".to_string(),
             Operator::HelixMatch => "m".to_string(),
+            Operator::SelectNext => "]".to_string(),
+            Operator::SelectPrevious => "[".to_string(),
             _ => self.id().to_string(),
         }
     }