From ffb2817afb67e6e147c910e94ab88b61985e150c Mon Sep 17 00:00:00 2001
From: Matthias Kuhn <matthias@opengis.ch>
Date: Tue, 10 Apr 2018 23:10:35 +0200
Subject: [PATCH] Protect the const-ituional correctness

---
 .../qgsprocessingalgorithmconfigurationwidget.sip.in          | 4 ++--
 python/gui/processing/qgsprocessingguiregistry.sip.in         | 2 +-
 .../processing/qgsprocessingalgorithmconfigurationwidget.h    | 4 ++--
 src/gui/processing/qgsprocessingconfigurationwidgets.cpp      | 4 ++--
 src/gui/processing/qgsprocessingconfigurationwidgets.h        | 4 ++--
 src/gui/processing/qgsprocessingguiregistry.cpp               | 2 +-
 src/gui/processing/qgsprocessingguiregistry.h                 | 2 +-
 7 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/python/gui/processing/qgsprocessingalgorithmconfigurationwidget.sip.in b/python/gui/processing/qgsprocessingalgorithmconfigurationwidget.sip.in
index 157b8eca416..c69a8a33fd0 100644
--- a/python/gui/processing/qgsprocessingalgorithmconfigurationwidget.sip.in
+++ b/python/gui/processing/qgsprocessingalgorithmconfigurationwidget.sip.in
@@ -58,12 +58,12 @@ Interface base class for factories for algorithm configuration widgets.
   public:
     virtual ~QgsProcessingAlgorithmConfigurationWidgetFactory();
 
-    virtual QgsProcessingAlgorithmConfigurationWidget *create( QgsProcessingAlgorithm *algorithm ) const = 0 /Factory/;
+    virtual QgsProcessingAlgorithmConfigurationWidget *create( const QgsProcessingAlgorithm *algorithm ) const = 0 /Factory/;
 %Docstring
 Create a new configuration widget for ``algorithm``.
 %End
 
-    virtual bool canCreateFor( QgsProcessingAlgorithm *algorithm ) const = 0;
+    virtual bool canCreateFor( const QgsProcessingAlgorithm *algorithm ) const = 0;
 %Docstring
 Check if this factory can create widgets for ``algorithm``.
 %End
diff --git a/python/gui/processing/qgsprocessingguiregistry.sip.in b/python/gui/processing/qgsprocessingguiregistry.sip.in
index 6bcaf12436e..18a511ee8e6 100644
--- a/python/gui/processing/qgsprocessingguiregistry.sip.in
+++ b/python/gui/processing/qgsprocessingguiregistry.sip.in
@@ -48,7 +48,7 @@ widgets.
 .. versionadded:: 3.2
 %End
 
-    QgsProcessingAlgorithmConfigurationWidget *algorithmConfigurationWidget( QgsProcessingAlgorithm *algorithm ) const;
+    QgsProcessingAlgorithmConfigurationWidget *algorithmConfigurationWidget( const QgsProcessingAlgorithm *algorithm ) const;
 %Docstring
 Get the configuration widget for an ``algorithm``. This widget will be shown
 next to parameter widgets. Most algorithms do not have a configuration widget
diff --git a/src/gui/processing/qgsprocessingalgorithmconfigurationwidget.h b/src/gui/processing/qgsprocessingalgorithmconfigurationwidget.h
index 77ee045f7cc..2474280f661 100644
--- a/src/gui/processing/qgsprocessingalgorithmconfigurationwidget.h
+++ b/src/gui/processing/qgsprocessingalgorithmconfigurationwidget.h
@@ -73,12 +73,12 @@ class CORE_EXPORT QgsProcessingAlgorithmConfigurationWidgetFactory
     /**
      * Create a new configuration widget for \a algorithm.
      */
-    virtual QgsProcessingAlgorithmConfigurationWidget *create( QgsProcessingAlgorithm *algorithm ) const = 0 SIP_FACTORY;
+    virtual QgsProcessingAlgorithmConfigurationWidget *create( const QgsProcessingAlgorithm *algorithm ) const = 0 SIP_FACTORY;
 
     /**
      * Check if this factory can create widgets for \a algorithm.
      */
-    virtual bool canCreateFor( QgsProcessingAlgorithm *algorithm ) const = 0;
+    virtual bool canCreateFor( const QgsProcessingAlgorithm *algorithm ) const = 0;
 };
 
 
diff --git a/src/gui/processing/qgsprocessingconfigurationwidgets.cpp b/src/gui/processing/qgsprocessingconfigurationwidgets.cpp
index 59357aaca4b..47f0054a01b 100644
--- a/src/gui/processing/qgsprocessingconfigurationwidgets.cpp
+++ b/src/gui/processing/qgsprocessingconfigurationwidgets.cpp
@@ -148,7 +148,7 @@ void QgsFilterAlgorithmConfigurationWidget::addOutput()
   mOutputExpressionWidget->setCellWidget( rowIndex, 2, new QCheckBox() );
 }
 
-QgsProcessingAlgorithmConfigurationWidget *QgsFilterAlgorithmConfigurationWidgetFactory::create( QgsProcessingAlgorithm *algorithm ) const
+QgsProcessingAlgorithmConfigurationWidget *QgsFilterAlgorithmConfigurationWidgetFactory::create( const QgsProcessingAlgorithm *algorithm ) const
 {
   if ( algorithm->name() == QStringLiteral( "filter" ) )
     return new QgsFilterAlgorithmConfigurationWidget();
@@ -156,7 +156,7 @@ QgsProcessingAlgorithmConfigurationWidget *QgsFilterAlgorithmConfigurationWidget
     return nullptr;
 }
 
-bool QgsFilterAlgorithmConfigurationWidgetFactory::canCreateFor( QgsProcessingAlgorithm *algorithm ) const
+bool QgsFilterAlgorithmConfigurationWidgetFactory::canCreateFor( const QgsProcessingAlgorithm *algorithm ) const
 {
   if ( algorithm->name() == QStringLiteral( "filter" ) )
     return true;
diff --git a/src/gui/processing/qgsprocessingconfigurationwidgets.h b/src/gui/processing/qgsprocessingconfigurationwidgets.h
index b92db38e603..67473f337a6 100644
--- a/src/gui/processing/qgsprocessingconfigurationwidgets.h
+++ b/src/gui/processing/qgsprocessingconfigurationwidgets.h
@@ -50,8 +50,8 @@ class QgsFilterAlgorithmConfigurationWidget : public QgsProcessingAlgorithmConfi
 class QgsFilterAlgorithmConfigurationWidgetFactory : public QgsProcessingAlgorithmConfigurationWidgetFactory
 {
   public:
-    virtual QgsProcessingAlgorithmConfigurationWidget *create( QgsProcessingAlgorithm *algorithm ) const override;
-    virtual bool canCreateFor( QgsProcessingAlgorithm *algorithm ) const override;
+    virtual QgsProcessingAlgorithmConfigurationWidget *create( const QgsProcessingAlgorithm *algorithm ) const override;
+    virtual bool canCreateFor( const QgsProcessingAlgorithm *algorithm ) const override;
 };
 
 ///@endcond
diff --git a/src/gui/processing/qgsprocessingguiregistry.cpp b/src/gui/processing/qgsprocessingguiregistry.cpp
index 2595af0ccf9..dcedac93459 100644
--- a/src/gui/processing/qgsprocessingguiregistry.cpp
+++ b/src/gui/processing/qgsprocessingguiregistry.cpp
@@ -42,7 +42,7 @@ void QgsProcessingGuiRegistry::removeAlgorithmConfigurationWidgetFactory( QgsPro
   delete factory;
 }
 
-QgsProcessingAlgorithmConfigurationWidget *QgsProcessingGuiRegistry::algorithmConfigurationWidget( QgsProcessingAlgorithm *algorithm ) const
+QgsProcessingAlgorithmConfigurationWidget *QgsProcessingGuiRegistry::algorithmConfigurationWidget( const QgsProcessingAlgorithm *algorithm ) const
 {
   for ( const auto *factory : mAlgorithmConfigurationWidgetFactories )
   {
diff --git a/src/gui/processing/qgsprocessingguiregistry.h b/src/gui/processing/qgsprocessingguiregistry.h
index 8d2f3d74e63..7b9611aa695 100644
--- a/src/gui/processing/qgsprocessingguiregistry.h
+++ b/src/gui/processing/qgsprocessingguiregistry.h
@@ -68,7 +68,7 @@ class GUI_EXPORT QgsProcessingGuiRegistry
      *
      * \since QGIS 3.2
      */
-    QgsProcessingAlgorithmConfigurationWidget *algorithmConfigurationWidget( QgsProcessingAlgorithm *algorithm ) const;
+    QgsProcessingAlgorithmConfigurationWidget *algorithmConfigurationWidget( const QgsProcessingAlgorithm *algorithm ) const;
 
   private: