Send signals when geometry options change

python/core/auto_generated/qgsgeometryoptions.sip.in

@@ -9,7 +9,8 @@
 
 
 
-class QgsGeometryOptions
+
+class QgsGeometryOptions : QObject
 {
 %Docstring
 
@@ -114,6 +115,38 @@ Write the geometry options to the ``node``.
 %Docstring
 Read the geometry options from ``node``.
 
+.. versionadded:: 3.4
+%End
+
+  signals:
+
+    void checkConfigurationChanged();
+%Docstring
+Access the configuration for the check ``checkId``.
+
+.. versionadded:: 3.4
+%End
+
+    void geometryChecksChanged();
+%Docstring
+A list of activated geometry checks.
+
+.. versionadded:: 3.4
+%End
+
+    void removeDuplicateNodesChanged();
+%Docstring
+Automatically remove duplicate nodes on all geometries which are edited on this layer.
+
+.. versionadded:: 3.4
+%End
+
+    void geometryPrecisionChanged();
+%Docstring
+The precision in which geometries on this layer should be saved.
+Geometries which are edited on this layer will be rounded to multiples of this value (snap to grid).
+Set to 0.0 to disable.
+
 .. versionadded:: 3.4
 %End
 

src/core/CMakeLists.txt

@@ -606,6 +606,7 @@ SET(QGIS_CORE_MOC_HDRS
   qgsfiledownloader.h
   qgsfeaturefiltermodel.h
   qgsfeaturefiltermodel_p.h
+  qgsgeometryoptions.h
   qgsgeometryvalidator.h
   qgsgml.h
   qgsgmlschema.h
@@ -869,7 +870,6 @@ SET(QGIS_CORE_HDRS
   qgsfields.h
   qgsfileutils.h
   qgsfontutils.h
-  qgsgeometryoptions.h
   qgsgeometrysimplifier.h
   qgshistogram.h
   qgshstoreutils.h

src/core/qgsgeometryoptions.cpp

@@ -27,6 +27,7 @@ bool QgsGeometryOptions::removeDuplicateNodes() const
 void QgsGeometryOptions::setRemoveDuplicateNodes( bool value )
 {
   mRemoveDuplicateNodes = value;
+  emit removeDuplicateNodesChanged();
 }
 
 double QgsGeometryOptions::geometryPrecision() const
@@ -37,6 +38,7 @@ double QgsGeometryOptions::geometryPrecision() const
 void QgsGeometryOptions::setGeometryPrecision( double value )
 {
   mGeometryPrecision = value;
+  emit geometryPrecisionChanged();
 }
 
 bool QgsGeometryOptions::isActive() const
@@ -61,6 +63,7 @@ QStringList QgsGeometryOptions::geometryChecks() const
 void QgsGeometryOptions::setGeometryChecks( const QStringList &geometryChecks )
 {
   mGeometryChecks = geometryChecks;
+  emit geometryChecksChanged();
 }
 
 QVariantMap QgsGeometryOptions::checkConfiguration( const QString &checkId ) const
@@ -71,6 +74,7 @@ QVariantMap QgsGeometryOptions::checkConfiguration( const QString &checkId ) con
 void QgsGeometryOptions::setCheckConfiguration( const QString &checkId, const QVariantMap &checkConfiguration )
 {
   mCheckConfiguration[checkId] = checkConfiguration;
+  emit checkConfigurationChanged();
 }
 
 void QgsGeometryOptions::writeXml( QDomNode &node ) const

src/core/qgsgeometryoptions.h

@@ -22,6 +22,8 @@
 #include "qgis_sip.h"
 #include "qgsgeometry.h"
 
+#include <QObject>
+
 /**
  * \ingroup core
  *
@@ -30,8 +32,10 @@
  *
  * \since QGIS 3.4
  */
-class CORE_EXPORT QgsGeometryOptions
+class CORE_EXPORT QgsGeometryOptions : public QObject
 {
+    Q_OBJECT
+
   public:
 
     /**
@@ -127,6 +131,38 @@ class CORE_EXPORT QgsGeometryOptions
      */
     void readXml( const QDomNode &node );
 
+  signals:
+
+    /**
+     * Access the configuration for the check \a checkId.
+     *
+     * \since QGIS 3.4
+     */
+    void checkConfigurationChanged();
+
+    /**
+     * A list of activated geometry checks.
+     *
+     * \since QGIS 3.4
+     */
+    void geometryChecksChanged();
+
+    /**
+     * Automatically remove duplicate nodes on all geometries which are edited on this layer.
+     *
+     * \since QGIS 3.4
+     */
+    void removeDuplicateNodesChanged();
+
+    /**
+     * The precision in which geometries on this layer should be saved.
+     * Geometries which are edited on this layer will be rounded to multiples of this value (snap to grid).
+     * Set to 0.0 to disable.
+     *
+     * \since QGIS 3.4
+     */
+    void geometryPrecisionChanged();
+
   private:
 
     /**