moved the piping of the bar menu into a separate file

grum/barmenu.py

@@ -0,0 +1,24 @@
+from PyQt5.QtWidgets import QAction
+
+
+class BarMenu:
+
+    def __init__(self, bar, name):
+        self.menu = menu = bar.addMenu(name)
+        menu.triggered[QAction].connect(self.on_select)
+        self.actions = {}
+
+    def on_select(self, p):
+        txt = p.text()
+        func = self.actions[txt]
+        func()
+
+    def addAction(self, name, func):
+        self.menu.addAction(name)
+        self.actions[name] = func
+
+    def addSeparator(self):
+        self.menu.addSeparator()
+
+
+

grum/mdi/mdiarea.py

@@ -3,6 +3,7 @@ from PyQt5.QtGui import QPainter
 
 from .. import assets
 from ..theme import MDI_BKG
+from ..barmenu import BarMenu
 
 
 class MDIArea(QMdiArea):
@@ -16,21 +17,12 @@ class MDIArea(QMdiArea):
 
 
     def _add_menu(self, bar):
-        menu = bar.addMenu("&Windows")
-        menu.addAction("Cascade")
-        menu.addAction("Tile")
-        menu.addAction("Tabbed")
+        self.menu = menu = BarMenu(bar, "&Windows")
+        menu.addAction("Cascade",   self.on_cascade)
+        menu.addAction("Tile",      self.on_tile)
+        menu.addAction("Tabbed",    self.enable_tabbed_view)
         menu.addSeparator()
-        menu.addAction("Close All")
-        menu.triggered[QAction].connect(self.on_menu_select)
-
-        self.actions = {
-            "Cascade":   self.on_cascade,
-            "Tile":      self.on_tile,
-            "Tabbed":    self.enable_tabbed_view,
-            "Close All": self.closeAllSubWindows
-        }
-
+        menu.addAction("Close All", self.closeAllSubWindows)
 
     def on_cascade(self):
         self.enable_subwindow_view()
@@ -47,11 +39,6 @@ class MDIArea(QMdiArea):
         self.setViewMode(QMdiArea.TabbedView)
 
 
-    def on_menu_select(self, p):
-        txt = p.text()
-        self.actions[txt]()
-
-
     def paintEvent(self, _event):
         self._draw_watermark()