New upstream version 0.9.0+dfsg

1 files changed, 14 insertions, 4 deletions

diff --git a/silx/gui/plot/StatsWidget.py b/silx/gui/plot/StatsWidget.py
index a36dd9f..bb66613 100644
--- a/silx/gui/plot/StatsWidget.py
+++ b/silx/gui/plot/StatsWidget.py
@@ -1,7 +1,7 @@
 # coding: utf-8
 # /*##########################################################################
 #
-# Copyright (c) 2017 European Synchrotron Radiation Facility
+# Copyright (c) 2017-2018 European Synchrotron Radiation Facility
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -28,7 +28,7 @@ Module containing widgets displaying stats from items of a plot.
 
 __authors__ = ["H. Payno"]
 __license__ = "MIT"
-__date__ = "12/06/2018"
+__date__ = "24/07/2018"
 
 
 import functools
@@ -63,6 +63,8 @@ class StatsWidget(qt.QWidget):
     :param plot: the plot containing items on which we want statistics.
     """
 
+    sigVisibilityChanged = qt.Signal(bool)
+
     NUMBER_FORMAT = '{0:.3f}'
 
     class OptionsWidget(qt.QToolBar):
@@ -151,6 +153,14 @@ class StatsWidget(qt.QWidget):
         self.setDisplayOnlyActiveItem = self._statsTable.setDisplayOnlyActiveItem
         self.setStatsOnVisibleData = self._statsTable.setStatsOnVisibleData
 
+    def showEvent(self, event):
+        self.sigVisibilityChanged.emit(True)
+        qt.QWidget.showEvent(self, event)
+
+    def hideEvent(self, event):
+        self.sigVisibilityChanged.emit(False)
+        qt.QWidget.hideEvent(self, event)
+
     def _optSelectionChanged(self, action=None):
         self._statsTable.setDisplayOnlyActiveItem(self._options.isActiveItemMode())
 
@@ -366,7 +376,7 @@ class StatsTable(TableWidget):
         self.setRowCount(0)
 
         # It have to called befor3e accessing to the header items
-        self.setHorizontalHeaderLabels(self._columns)
+        self.setHorizontalHeaderLabels(list(self._columns))
 
         if self._statsHandler is not None:
             for columnId, name in enumerate(self._columns):
@@ -539,7 +549,7 @@ class StatsTable(TableWidget):
             self._statsOnVisibleData = b
             self._updateCurrentStats()
 
-    def _activeItemChanged(self, kind):
+    def _activeItemChanged(self, kind, previous, current):
         """Callback used when plotting only the active item"""
         assert kind in ('curve', 'image', 'scatter', 'histogram')
         self._updateItemObserve()