Minor cleanup

source/carla_widgets.py

@@ -460,12 +460,9 @@ class PluginEdit(QDialog):
         self.ui.sb_ctrl_channel.setValue(self.fControlChannel+1)
 
         self.ui.scrollArea = PixmapKeyboardHArea(self)
+        self.ui.keyboard   = self.ui.scrollArea.keyboard
         self.layout().addWidget(self.ui.scrollArea)
 
-        self.ui.keyboard = self.ui.scrollArea.keyboard
-        self.ui.keyboard.setMode(self.ui.keyboard.HORIZONTAL)
-        self.ui.keyboard.setOctaves(10)
-
         self.ui.scrollArea.setEnabled(False)
         self.ui.scrollArea.setVisible(False)
 

source/widgets/pixmapkeyboard.py

@@ -462,6 +462,7 @@ class PixmapKeyboardHArea(QScrollArea):
         self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
 
         self.keyboard = PixmapKeyboard(self)
+        self.keyboard.setMode(PixmapKeyboard.HORIZONTAL)
         self.keyboard.setOctaves(10)
         self.setWidget(self.keyboard)