menu: added hidden secondary delete option to pick up backspace shortcut

app/widget/menu/menushared.h

@@ -52,6 +52,14 @@ public:
 
   static MenuShared* instance();
 
+  QAction* edit_delete_item()
+  {
+    return edit_delete_item_;
+  }
+
+public slots:
+  void DeleteSelectedTriggered();
+
 private:
   // "New" menu shared items
   QAction* new_project_item_;
@@ -97,8 +105,6 @@ private:
 private slots:
   void SplitAtPlayheadTriggered();
 
-  void DeleteSelectedTriggered();
-
   void RippleDeleteTriggered();
 
   void SetInTriggered();

app/window/mainwindow/mainmenu.cpp

@@ -73,6 +73,9 @@ MainMenu::MainMenu(MainWindow *parent) :
   //
   edit_menu_ = new Menu(this);
 
+  connect(edit_menu_, &Menu::aboutToShow, this, &MainMenu::EditMenuAboutToShow);
+  connect(edit_menu_, &Menu::aboutToHide, this, &MainMenu::EditMenuAboutToHide);
+
   edit_undo_item_ = Core::instance()->undo_stack()->GetUndoAction();
   Menu::ConformItem(edit_undo_item_, "undo", "Ctrl+Z");
   edit_menu_->addAction(edit_undo_item_);
@@ -82,6 +85,14 @@ MainMenu::MainMenu(MainWindow *parent) :
 
   edit_menu_->addSeparator();
   MenuShared::instance()->AddItemsForEditMenu(edit_menu_, true);
+  {
+    // Create "alternate delete" action so we can pick up backspace as well as delete while still
+    // keeping them configurable
+    edit_delete2_item_ = new QAction();
+    Menu::ConformItem(edit_delete2_item_, "delete2", MenuShared::instance(), &MenuShared::DeleteSelectedTriggered, "Backspace");
+    auto actions = edit_menu_->actions();
+    edit_menu_->insertAction(actions.at(actions.indexOf(MenuShared::instance()->edit_delete_item()) + 1), edit_delete2_item_);
+  }
   edit_menu_->addSeparator();
   edit_select_all_item_ = edit_menu_->AddItem("selectall", this, &MainMenu::SelectAllTriggered, "Ctrl+A");
   edit_deselect_all_item_ = edit_menu_->AddItem("deselectall", this, &MainMenu::DeselectAllTriggered, "Ctrl+Shift+A");
@@ -298,6 +309,16 @@ void MainMenu::FileMenuAboutToShow()
   }
 }
 
+void MainMenu::EditMenuAboutToShow()
+{
+  edit_delete2_item_->setVisible(false);
+}
+
+void MainMenu::EditMenuAboutToHide()
+{
+  edit_delete2_item_->setVisible(true);
+}
+
 void MainMenu::ViewMenuAboutToShow()
 {
   // Parent is QMainWindow
@@ -620,6 +641,7 @@ void MainMenu::Retranslate()
   edit_menu_->setTitle(tr("&Edit"));
   //edit_undo_item_->setText(tr("&Undo")); FIXME: Does Qt translate these automatically?
   //edit_redo_item_->setText(tr("Redo"));
+  edit_delete2_item_->setText(tr("Delete (alt)"));
   edit_insert_item_->setText(tr("Insert"));
   edit_overwrite_item_->setText(tr("Overwrite"));
   edit_select_all_item_->setText(tr("Select &All"));

app/window/mainwindow/mainmenu.h

@@ -66,6 +66,12 @@ private slots:
    */
   void FileMenuAboutToShow();
 
+  /**
+   * @brief Slot triggered just before the Edit menu shows
+   */
+  void EditMenuAboutToShow();
+  void EditMenuAboutToHide();
+
   /**
    * @brief Slot triggered just before the View menu shows
    */
@@ -202,6 +208,7 @@ private:
   Menu* edit_menu_;
   QAction* edit_undo_item_;
   QAction* edit_redo_item_;
+  QAction* edit_delete2_item_;
   QAction* edit_select_all_item_;
   QAction* edit_deselect_all_item_;
   QAction* edit_insert_item_;