From e16c63276082f1cf79c57ff2ed2d301fe3333a0e Mon Sep 17 00:00:00 2001
From: Michael Davis
Date: Wed, 12 Oct 2022 10:57:40 -0500
Subject: Apply transactions to the jumplist for undo/redo (#4227)

Undo/redo/earlier/later call `Document::apply_impl` which applies
transactions to the document. These transactions also need to be
applied to the view as in 0aedef0.---
 helix-view/src/document.rs | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

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

diff --git a/helix-view/src/document.rs b/helix-view/src/document.rs
index 93708339..0daa983f 100644
--- a/helix-view/src/document.rs
+++ b/helix-view/src/document.rs
@@ -834,11 +834,11 @@ impl Document {
         success
     }
 
-    fn undo_redo_impl(&mut self, view_id: ViewId, undo: bool) -> bool {
+    fn undo_redo_impl(&mut self, view: &mut View, undo: bool) -> bool {
         let mut history = self.history.take();
         let txn = if undo { history.undo() } else { history.redo() };
         let success = if let Some(txn) = txn {
-            self.apply_impl(txn, view_id)
+            self.apply_impl(txn, view.id) && view.apply(txn, self)
         } else {
             false
         };
@@ -852,13 +852,13 @@ impl Document {
     }
 
     /// Undo the last modification to the [`Document`]. Returns whether the undo was successful.
-    pub fn undo(&mut self, view_id: ViewId) -> bool {
-        self.undo_redo_impl(view_id, true)
+    pub fn undo(&mut self, view: &mut View) -> bool {
+        self.undo_redo_impl(view, true)
     }
 
     /// Redo the last modification to the [`Document`]. Returns whether the redo was successful.
-    pub fn redo(&mut self, view_id: ViewId) -> bool {
-        self.undo_redo_impl(view_id, false)
+    pub fn redo(&mut self, view: &mut View) -> bool {
+        self.undo_redo_impl(view, false)
     }
 
     pub fn savepoint(&mut self) {
@@ -871,7 +871,7 @@ impl Document {
         }
     }
 
-    fn earlier_later_impl(&mut self, view_id: ViewId, uk: UndoKind, earlier: bool) -> bool {
+    fn earlier_later_impl(&mut self, view: &mut View, uk: UndoKind, earlier: bool) -> bool {
         let txns = if earlier {
             self.history.get_mut().earlier(uk)
         } else {
@@ -879,7 +879,7 @@ impl Document {
         };
         let mut success = false;
         for txn in txns {
-            if self.apply_impl(&txn, view_id) {
+            if self.apply_impl(&txn, view.id) && view.apply(&txn, self) {
                 success = true;
             }
         }
@@ -891,13 +891,13 @@ impl Document {
     }
 
     /// Undo modifications to the [`Document`] according to `uk`.
-    pub fn earlier(&mut self, view_id: ViewId, uk: UndoKind) -> bool {
-        self.earlier_later_impl(view_id, uk, true)
+    pub fn earlier(&mut self, view: &mut View, uk: UndoKind) -> bool {
+        self.earlier_later_impl(view, uk, true)
     }
 
     /// Redo modifications to the [`Document`] according to `uk`.
-    pub fn later(&mut self, view_id: ViewId, uk: UndoKind) -> bool {
-        self.earlier_later_impl(view_id, uk, false)
+    pub fn later(&mut self, view: &mut View, uk: UndoKind) -> bool {
+        self.earlier_later_impl(view, uk, false)
     }
 
     /// Commit pending changes to history
-- 
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