[processing] better handling of col sizes in batch interface

Author: volaya

python/plugins/processing/gui/BatchProcessingDialog.py

@@ -91,7 +91,9 @@ def __init__(self, alg):
         self.table.setColumnCount(self.alg.getVisibleParametersCount()
                                   + nOutputs)
         self.setTableContent()
-        self.table.horizontalHeader().setResizeMode(QtGui.QHeaderView.ResizeToContents)
+        self.table.horizontalHeader().setResizeMode(QtGui.QHeaderView.Interactive)
+        self.table.horizontalHeader().setDefaultSectionSize(250)
+        self.table.horizontalHeader().setMinimumSectionSize(150)
         self.table.verticalHeader().setResizeMode(QtGui.QHeaderView.ResizeToContents)
         self.table.horizontalHeader().setStretchLastSection(True)
         self.table.verticalHeader().setVisible(False)