Leave export values as modal

impact27 · impact27 · commit cd6511b3f53c · 2021-06-17T11:17:34.000+02:00
diff --git a/lib/matplotlib/backends/backend_qt5.py b/lib/matplotlib/backends/backend_qt5.py
@@ -802,14 +802,13 @@ def __init__(self, targetfig, parent):
         self._figure = targetfig
         self._defaults = {spinbox: vars(self._figure.subplotpars)[attr]
                           for attr, spinbox in self._spinboxes.items()}
-        self._export_values_dialog = None
 
     def _export_values(self):
         # Explicitly round to 3 decimals (which is also the spinbox precision)
         # to avoid numbers of the form 0.100...001.
-        self._export_values_dialog = QtWidgets.QDialog()
+        dialog = QtWidgets.QDialog()
         layout = QtWidgets.QVBoxLayout()
-        self._export_values_dialog.setLayout(layout)
+        dialog.setLayout(layout)
         text = QtWidgets.QPlainTextEdit()
         text.setReadOnly(True)
         layout.addWidget(text)
@@ -823,7 +822,7 @@ def _export_values(self):
             QtGui.QFontMetrics(text.document().defaultFont())
             .size(0, text.toPlainText()).height() + 20)
         text.setMaximumSize(size)
-        self._export_values_dialog.show()
+        dialog.exec_()
 
     def _on_value_changed(self):
         spinboxes = self._spinboxes
