add a few keyboard shortcuts

Author: yjpark

crates/notation_bevy/src/app/app.rs

@@ -212,6 +212,10 @@ fn handle_keyboard_inputs(
         crate::viewer::control::ControlView::play_or_stop(&mut midi_state, &mut play_control_evts);
     } else if keyboard_input.just_released(KeyCode::Backslash) {
         crate::viewer::control::ControlView::toggle_layout_mode(&mut app_state, &mut settings, &mut theme);
+    } else if keyboard_input.just_released(KeyCode::M) {
+        crate::viewer::control::ControlView::toggle_show_melody_syllable(&mut app_state, &mut settings, &mut theme);
+    } else if keyboard_input.just_released(KeyCode::F) {
+        crate::viewer::control::ControlView::toggle_always_show_fret(&mut app_state, &mut settings, &mut theme);
     }
 }
 

crates/notation_bevy/src/viewer/control.rs

@@ -224,6 +224,22 @@ impl ControlView {
         }
         Self::reload_tab(state, theme);
     }
+    pub fn toggle_show_melody_syllable(
+        state: &mut NotationAppState,
+        settings: &mut NotationSettings,
+        theme: &mut NotationTheme,
+    ) {
+        settings.show_melody_syllable = !settings.show_melody_syllable;
+        Self::reload_tab(state, theme);
+    }
+    pub fn toggle_always_show_fret(
+        state: &mut NotationAppState,
+        settings: &mut NotationSettings,
+        theme: &mut NotationTheme,
+    ) {
+        settings.always_show_fret = !settings.always_show_fret;
+        Self::reload_tab(state, theme);
+    }
     pub fn overrides_ui(
         ui: &mut Ui,
         settings: &mut NotationSettings,