Add getCurrentVivyDocument

src/VivyApplication.cc

@@ -91,3 +91,14 @@ VivyApplication::getMainWindow() const
         throw std::logic_error("No main window in the graphic VivyApplication");
     return mainWindowPtr.get();
 }
+
+/*
+ * @return the current VivyDocument, or null if there isn't one or if the current document is not a VivyDocument
+ */
+VivyDocument *
+VivyApplication::getCurrentVivyDocument() const
+{
+    if (!mainWindowPtr)
+        throw std::logic_error("No main window in the graphic VivyApplication");
+    return dynamic_cast<VivyDocument*>(mainWindowPtr.get()->getCurrentDocument());
+}

src/VivyApplication.hh

@@ -71,6 +71,7 @@ public:
 
     QFont getApplicationFont(Font) const noexcept;
     [[nodiscard("handle-it")]] MainWindow *getMainWindow() const;
+    [[nodiscard("handle-it")]] VivyDocument *getCurrentVivyDocument() const;
     void setTheme(Theme) noexcept;
 };