Implement "Goto last modification" command (#1067)

3 files changed, 16 insertions, 1 deletions

diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index d5a48c5f..e37265a8 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -257,6 +257,7 @@ impl Command {
         goto_window_middle, "Goto window middle",
         goto_window_bottom, "Goto window bottom",
         goto_last_accessed_file, "Goto last accessed file",
+        goto_last_modification, "Goto last modification",
         goto_line, "Goto line",
         goto_last_line, "Goto last line",
         goto_first_diag, "Goto first diagnostic",
@@ -3195,6 +3196,19 @@ fn goto_last_accessed_file(cx: &mut Context) {
     }
 }
 
+fn goto_last_modification(cx: &mut Context) {
+    let (view, doc) = current!(cx.editor);
+    let pos = doc.history.get_mut().last_edit_pos();
+    let text = doc.text().slice(..);
+    if let Some(pos) = pos {
+        let selection = doc
+            .selection(view.id)
+            .clone()
+            .transform(|range| range.put_cursor(text, pos, doc.mode == Mode::Select));
+        doc.set_selection(view.id, selection);
+    }
+}
+
 fn select_mode(cx: &mut Context) {
     let (view, doc) = current!(cx.editor);
     let text = doc.text().slice(..);
diff --git a/helix-term/src/keymap.rs b/helix-term/src/keymap.rs
index e3e01995..b14b1a6f 100644
--- a/helix-term/src/keymap.rs
+++ b/helix-term/src/keymap.rs
@@ -525,6 +525,7 @@ impl Default for Keymaps {
                 "a" => goto_last_accessed_file,
                 "n" => goto_next_buffer,
                 "p" => goto_previous_buffer,
+                "." => goto_last_modification,
             },
             ":" => command_mode,
 
diff --git a/helix-term/src/ui/editor.rs b/helix-term/src/ui/editor.rs
index dcf87203..bcd9f8f0 100644
--- a/helix-term/src/ui/editor.rs
+++ b/helix-term/src/ui/editor.rs
@@ -743,7 +743,7 @@ impl EditorView {
                     std::num::NonZeroUsize::new(cxt.editor.count.map_or(i, |c| c.get() * 10 + i));
             }
             // special handling for repeat operator
-            key!('.') => {
+            key!('.') if self.keymaps.pending().is_empty() => {
                 // first execute whatever put us into insert mode
                 self.last_insert.0.execute(cxt);
                 // then replay the inputs