qgssinglesymbol3drendererwidget: Inherit from qgspanelwidget

This will be needed by `Qgs3DSymbolButton` in the next commit.

Author: ptitjano

src/app/3d/qgsvectorlayer3drendererwidget.cpp

@@ -37,7 +37,7 @@
 using namespace Qt::StringLiterals;
 
 QgsSingleSymbol3DRendererWidget::QgsSingleSymbol3DRendererWidget( QgsVectorLayer *layer, QWidget *parent )
-  : QWidget( parent )
+  : QgsPanelWidget( parent )
   , mLayer( layer )
 {
   // If layer is null, the widget cannot be created.
@@ -72,16 +72,21 @@ void QgsSingleSymbol3DRendererWidget::setLayer( QgsVectorLayer *layer )
   if ( r && r->type() == "vector"_L1 )
   {
     QgsVectorLayer3DRenderer *vectorRenderer = static_cast<QgsVectorLayer3DRenderer *>( r );
-    widgetSymbol->setSymbol( vectorRenderer->symbol(), mLayer );
+    setSymbol( vectorRenderer->symbol() );
   }
   else
   {
     const std::unique_ptr<QgsAbstract3DSymbol> sym( QgsApplication::symbol3DRegistry()->defaultSymbolForGeometryType( mLayer->geometryType() ) );
     sym->setDefaultPropertiesFromLayer( mLayer );
-    widgetSymbol->setSymbol( sym.get(), mLayer );
+    setSymbol( sym.get() );
   }
 }
 
+void QgsSingleSymbol3DRendererWidget::setSymbol( const QgsAbstract3DSymbol *symbol )
+{
+  widgetSymbol->setSymbol( symbol, mLayer );
+}
+
 std::unique_ptr<QgsAbstract3DSymbol> QgsSingleSymbol3DRendererWidget::symbol()
 {
   return widgetSymbol->symbol(); // cloned or null

src/app/3d/qgsvectorlayer3drendererwidget.h

@@ -20,6 +20,7 @@
 
 #include "qgsmaplayerconfigwidget.h"
 #include "qgsmaplayerconfigwidgetfactory.h"
+#include "qgspanelwidget.h"
 #include "qgsvectorlayer3drenderer.h"
 
 class QComboBox;
@@ -35,7 +36,7 @@ class QgsSymbol3DWidget;
 class QgsVectorLayer3DPropertiesWidget;
 
 
-class QgsSingleSymbol3DRendererWidget : public QWidget
+class QgsSingleSymbol3DRendererWidget : public QgsPanelWidget
 {
     Q_OBJECT
   public:
@@ -44,12 +45,12 @@ class QgsSingleSymbol3DRendererWidget : public QWidget
     //! no transfer of ownership
     void setLayer( QgsVectorLayer *layer );
 
+    //! no transfer of ownership
+    void setSymbol( const QgsAbstract3DSymbol *symbol );
+
     //! Returns the cloned symbol or NULLPTR.
     std::unique_ptr<QgsAbstract3DSymbol> symbol();
 
-  signals:
-    void widgetChanged();
-
   private:
     QgsSymbol3DWidget *widgetSymbol = nullptr;
     QgsVectorLayer *mLayer = nullptr;