Merge pull request #91 from nicoddemus/fix-legend

Fix: legend now showing up when enabled later

Author: PierreRaybaut

qwt/plot.py

@@ -1562,9 +1562,9 @@ def insertLegend(self, legend, pos=None, ratio=-1):
                 if self.__data.legend.parent() is not self:
                     self.__data.legend.setParent(self)
 
-                self.blockSignals(True)
+                self.legendDataChanged.disconnect(self.updateLegendItems)
                 self.updateLegend()
-                self.blockSignals(False)
+                self.legendDataChanged.connect(self.updateLegendItems)
 
                 lpos = self.__data.layout.legendPosition()