Undo/redo support

src/config.rs

@@ -23,10 +23,12 @@ pub enum Action {
     OpenProjectDialog,
     Paste,
     Quit,
+    Redo,
     Save,
     SelectAll,
     ToggleSettingsPage,
     ToggleWordWrap,
+    Undo,
 }
 
 impl Action {
@@ -42,10 +44,12 @@ impl Action {
             Self::OpenProjectDialog => Message::OpenProjectDialog,
             Self::Paste => Message::Paste,
             Self::Quit => Message::Quit,
+            Self::Redo => Message::Redo,
             Self::Save => Message::Save,
             Self::SelectAll => Message::SelectAll,
             Self::ToggleSettingsPage => Message::ToggleContextPage(ContextPage::Settings),
             Self::ToggleWordWrap => Message::ToggleWordWrap,
+            Self::Undo => Message::Undo,
         }
     }
 }
@@ -107,10 +111,12 @@ impl KeyBind {
         bind!([Ctrl], O, OpenFileDialog);
         bind!([Ctrl, Shift], O, OpenProjectDialog);
         bind!([Ctrl], Q, Quit);
+        bind!([Ctrl, Shift], Z, Redo);
         bind!([Ctrl], S, Save);
         bind!([Ctrl], A, SelectAll);
         bind!([Ctrl], Comma, ToggleSettingsPage);
         bind!([Alt], Z, ToggleWordWrap);
+        bind!([Ctrl], Z, Undo);
 
         keybinds
     }

src/main.rs

@@ -120,6 +120,7 @@ pub enum Message {
     Paste,
     PasteValue(String),
     Quit,
+    Redo,
     Save,
     SelectAll,
     SyntaxTheme(usize, bool),
@@ -128,6 +129,7 @@ pub enum Message {
     Todo,
     ToggleContextPage(ContextPage),
     ToggleWordWrap,
+    Undo,
     VimBindings(bool),
 }
 
@@ -689,6 +691,13 @@ impl Application for App {
                 //TODO: prompt for save?
                 return window::close();
             }
+            Message::Redo => match self.active_tab() {
+                Some(tab) => {
+                    let mut editor = tab.editor.lock().unwrap();
+                    editor.redo();
+                }
+                None => {}
+            },
             Message::Save => {
                 let mut title_opt = None;
 
@@ -785,6 +794,13 @@ impl Application for App {
                 self.config.word_wrap = !self.config.word_wrap;
                 return self.save_config();
             }
+            Message::Undo => match self.active_tab() {
+                Some(tab) => {
+                    let mut editor = tab.editor.lock().unwrap();
+                    editor.undo();
+                }
+                None => {}
+            },
             Message::VimBindings(vim_bindings) => {
                 self.config.vim_bindings = vim_bindings;
                 return self.save_config();

src/menu.rs

@@ -132,8 +132,8 @@ pub fn menu_bar<'a>(config: &Config) -> Element<'a, Message> {
         MenuTree::with_children(
             menu_root(fl!("edit")),
             vec![
-                menu_key(fl!("undo"), "Ctrl + Z", Message::Todo),
-                menu_key(fl!("redo"), "Ctrl + Shift + Z", Message::Todo),
+                menu_item(fl!("undo"), Message::Undo),
+                menu_item(fl!("redo"), Message::Redo),
                 MenuTree::new(horizontal_rule(1)),
                 menu_item(fl!("cut"), Message::Cut),
                 menu_item(fl!("copy"), Message::Copy),