minor fixes

shapeout2/__main__.py

@@ -5,7 +5,8 @@ def main(splash=True):
     import time
 
     from PyQt5.QtWidgets import QApplication
-    import pyqtgraph  # import before creating application
+    # import before creating application
+    import pyqtgraph  # noqa: F401
 
     app = QApplication(sys.argv)
     imdir = pkg_resources.resource_filename("shapeout2", "img")

shapeout2/gui/main.py

@@ -81,7 +81,7 @@ def init_quick_view(self):
         self.toolButton_quick_view.clicked.connect(sub.setVisible)
         self.subwindows["quick_view"] = sub
         # signals
-        self.data_matrix.quickviewed.connect(self.widget_quick_view.show_rtdc)
+        self.data_matrix.quickviewed.connect(self.on_quickviewed)
         sub.setSystemMenu(None)
         sub.setWindowFlags(QtCore.Qt.CustomizeWindowHint
                            | QtCore.Qt.WindowTitleHint
@@ -93,6 +93,12 @@ def on_data_matrix(self):
         else:
             self.splitter.setSizes([0, 1])
 
+    @QtCore.pyqtSlot(pathlib.Path, list)
+    def on_quickviewed(self, path, filters):
+        # update quick view subwindow
+        self.widget_quick_view.show_rtdc(path, filters)
+        # show quick view subwindow
+
     def on_splitter(self):
         if self.splitter.sizes()[0] == 0:
             self.toolButton_dm.setChecked(False)

shapeout2/gui/matrix_element.py

@@ -64,6 +64,7 @@ def update_content(self, quickview=False):
             self.quickview_selected.emit("peter")
 
         self.setStyleSheet("background-color:{}".format(color))
+        self.label.setStyleSheet("background-color:{}".format(color))
         self.label.setText(label)
         self.setToolTip(tooltip)
         self.label.setToolTip(tooltip)