Set selection z factor to a high value, stretchX selection

qtgui/cursor.py

@@ -149,7 +149,7 @@ class Playhead(QtWidgets.QGraphicsLineItem):
         self.setFlags(QtWidgets.QGraphicsItem.ItemIsMovable)
         self.setCursor(QtCore.Qt.SizeHorCursor)
         self.setAcceptedMouseButtons(QtCore.Qt.LeftButton)
-        self.setZValue(90)
+        self.setZValue(90) #This is relative to the parent, which is the scene.
         #self.parentScoreScene.parentView.verticalScrollBar().valueChanged.connect(self.setLineToWindowHeigth)
         #self.hide()
         #self.maxHeight = QtWidgets.QDesktopWidget().geometry().height() #we really hope the screen resolution does not change during the session.
@@ -226,15 +226,25 @@ class Selection(QtWidgets.QGraphicsRectItem):
         self.invalidBrush = QtGui.QBrush(QtGui.QColor("grey"))
         self.invalidBrush.setStyle(QtCore.Qt.DiagCrossPattern)
 
+        self._tupleOfCursorExportObjects = None #cache for stretchX
+
         self.setPen(pen)
         self.setOpacity(0.2)
+        self.setZValue(95) #Below playback cursor, but pretty high. This is relative to the parent, which is the scene.
         self.setEnabled(False)
         api.callbacks.setSelection.append(self.setSelection)
 
     def boundingRect(self, *args):
         return oneRectToReturnThemAll
 
+    def stretchXCoordinates(self, factor):
+        """Reposition the items on the X axis.
+        Call goes through all parents/children, starting from ScoreView._stretchXCoordinates.
+        Docstring there."""
+        self.setSelection(self._tupleOfCursorExportObjects)
+
     def setSelection(self, tupleOfCursorExportObjects):
+        self._tupleOfCursorExportObjects = tupleOfCursorExportObjects
         if tupleOfCursorExportObjects:
             validSelection, topleftCursorObject, bottomRightCursorObject = tupleOfCursorExportObjects
             if validSelection:

qtgui/scorescene.py

@@ -314,6 +314,7 @@ class GuiScore(QtWidgets.QGraphicsScene):
         self.conductor.stretchXCoordinates(factor)
         self.cursor.setX(self.cursor.pos().x() * factor)
         self.playhead.setX(self.playhead.pos().x() * factor)
+        self.selection.stretchXCoordinates(factor)
 
         for track in self.tracks.values():
             track.stretchXCoordinates(factor)