More reliable updates to the gdal command shown

By also checking for child widget signals - otherwise we don't catch signals when compound widgets (such as raster layer source widgets) are changed
qgis · Aug 13, 2017 · 19e5886 · 19e5886
1 parent 95fe5cd
commit 19e5886
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/python/plugins/processing/algs/gdal/GdalAlgorithmDialog.py b/python/plugins/processing/algs/gdal/GdalAlgorithmDialog.py
@@ -39,7 +39,8 @@
 
 from qgis.core import (QgsProcessingFeedback,
                        QgsProcessingParameterDefinition)
-from qgis.gui import QgsMessageBar
+from qgis.gui import (QgsMessageBar,
+                      QgsProjectionSelectionWidget)
 
 from processing.gui.AlgorithmDialog import AlgorithmDialog
 from processing.gui.AlgorithmDialogBase import AlgorithmDialogBase
@@ -93,10 +94,17 @@ def __init__(self, parent, alg):
     def connectParameterSignals(self):
         for wrapper in list(self.wrappers.values()):
             w = wrapper.widget
+            self.connectWidgetChangedSignals(w)
+            for c in w.children():
+                self.connectWidgetChangedSignals(c)
+
+    def connectWidgetChangedSignals(self, w):
             if isinstance(w, QLineEdit):
                 w.textChanged.connect(self.parametersHaveChanged)
             elif isinstance(w, QComboBox):
                 w.currentIndexChanged.connect(self.parametersHaveChanged)
+            elif isinstance(w, QgsProjectionSelectionWidget):
+                w.crsChanged.connect(self.parametersHaveChanged)
             elif isinstance(w, QCheckBox):
                 w.stateChanged.connect(self.parametersHaveChanged)
             elif isinstance(w, MultipleInputPanel):