From 05c2a72ccb7f79e8e581d2703816c74543d1995c Mon Sep 17 00:00:00 2001
From: Kangwook Lee (이강욱)
Date: Sat, 11 Sep 2021 18:31:40 +0900
Subject: goto line start/end commands extend when in select mode (#739)

---
 helix-term/src/commands.rs | 51 +++++++++++++++++++++++++++++++++++-----------
 1 file changed, 39 insertions(+), 12 deletions(-)

diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index f9ebb801..fb885740 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -410,8 +410,7 @@ fn extend_line_down(cx: &mut Context) {
     move_impl(cx, move_vertically, Direction::Forward, Movement::Extend)
 }
 
-fn goto_line_end_impl(cx: &mut Context, movement: Movement) {
-    let (view, doc) = current!(cx.editor);
+fn goto_line_end_impl(view: &mut View, doc: &mut Document, movement: Movement) {
     let text = doc.text().slice(..);
 
     let selection = doc.selection(view.id).clone().transform(|range| {
@@ -427,15 +426,24 @@ fn goto_line_end_impl(cx: &mut Context, movement: Movement) {
 }
 
 fn goto_line_end(cx: &mut Context) {
-    goto_line_end_impl(cx, Movement::Move)
+    let (view, doc) = current!(cx.editor);
+    goto_line_end_impl(
+        view,
+        doc,
+        if doc.mode == Mode::Select {
+            Movement::Extend
+        } else {
+            Movement::Move
+        },
+    )
 }
 
 fn extend_to_line_end(cx: &mut Context) {
-    goto_line_end_impl(cx, Movement::Extend)
+    let (view, doc) = current!(cx.editor);
+    goto_line_end_impl(view, doc, Movement::Extend)
 }
 
-fn goto_line_end_newline_impl(cx: &mut Context, movement: Movement) {
-    let (view, doc) = current!(cx.editor);
+fn goto_line_end_newline_impl(view: &mut View, doc: &mut Document, movement: Movement) {
     let text = doc.text().slice(..);
 
     let selection = doc.selection(view.id).clone().transform(|range| {
@@ -448,15 +456,24 @@ fn goto_line_end_newline_impl(cx: &mut Context, movement: Movement) {
 }
 
 fn goto_line_end_newline(cx: &mut Context) {
-    goto_line_end_newline_impl(cx, Movement::Move)
+    let (view, doc) = current!(cx.editor);
+    goto_line_end_newline_impl(
+        view,
+        doc,
+        if doc.mode == Mode::Select {
+            Movement::Extend
+        } else {
+            Movement::Move
+        },
+    )
 }
 
 fn extend_to_line_end_newline(cx: &mut Context) {
-    goto_line_end_newline_impl(cx, Movement::Extend)
+    let (view, doc) = current!(cx.editor);
+    goto_line_end_newline_impl(view, doc, Movement::Extend)
 }
 
-fn goto_line_start_impl(cx: &mut Context, movement: Movement) {
-    let (view, doc) = current!(cx.editor);
+fn goto_line_start_impl(view: &mut View, doc: &mut Document, movement: Movement) {
     let text = doc.text().slice(..);
 
     let selection = doc.selection(view.id).clone().transform(|range| {
@@ -470,11 +487,21 @@ fn goto_line_start_impl(cx: &mut Context, movement: Movement) {
 }
 
 fn goto_line_start(cx: &mut Context) {
-    goto_line_start_impl(cx, Movement::Move)
+    let (view, doc) = current!(cx.editor);
+    goto_line_start_impl(
+        view,
+        doc,
+        if doc.mode == Mode::Select {
+            Movement::Extend
+        } else {
+            Movement::Move
+        },
+    )
 }
 
 fn extend_to_line_start(cx: &mut Context) {
-    goto_line_start_impl(cx, Movement::Extend)
+    let (view, doc) = current!(cx.editor);
+    goto_line_start_impl(view, doc, Movement::Extend)
 }
 
 fn goto_first_nonwhitespace(cx: &mut Context) {
-- 
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