remove spin box background color

python/gui/editorwidgets/qgsdoublespinbox.sip

@@ -14,12 +14,6 @@ class QgsDoubleSpinBox : QDoubleSpinBox
 
     explicit QgsDoubleSpinBox( QWidget *parent /TransferThis/ = 0 );
 
-    /** Sets background color of QLineEdit widget within spin box
-      * @param color the background color
-      * @note added in QGIS 2.16
-      */
-    void setBackgroundColor( const QColor *color = nullptr );
-
     //! determines if the widget will show a clear button
     //! @note the clear button will set the widget to its minimum value
     void setShowClearButton( const bool showClearButton );

src/app/qgsstatusbarmagnifierwidget.cpp

@@ -100,15 +100,6 @@ void QgsStatusBarMagnifierWidget::updateMagnifier()
   // get current data
   mMagnifier = mSpinBox->value();
 
-  // update background color
-  QSettings mySettings;
-  int value = mySettings.value( "/qgis/magnifier_level", 100 ).toInt();
-
-  if ( mMagnifier == value )
-    mSpinBox->setBackgroundColor();
-  else
-    mSpinBox->setBackgroundColor( new QColor( 200, 200, 255 ) );
-
   // update map canvas
   mCanvas->setMagnificationFactor( mMagnifier / double( mMagnifierMin ) );
 }

src/gui/editorwidgets/qgsdoublespinbox.cpp

@@ -46,19 +46,6 @@ QgsDoubleSpinBox::QgsDoubleSpinBox( QWidget *parent )
   connect( this, SIGNAL( valueChanged( double ) ), this, SLOT( changed( double ) ) );
 }
 
-void QgsDoubleSpinBox::setBackgroundColor( const QColor *c )
-{
-  if ( c )
-  {
-    QString rgb = QString( "rgb(%1, %2, %3)" ).arg( c->red() ).arg( c->green() ).arg( c->blue() );
-    this->lineEdit()->setStyleSheet( QString( "background-color: %1" ).arg( rgb ) );
-  }
-  else
-    this->lineEdit()->setStyleSheet( "" );
-
-  this->setStyleSheet( "" );
-}
-
 void QgsDoubleSpinBox::setShowClearButton( const bool showClearButton )
 {
   mShowClearButton = showClearButton;

src/gui/editorwidgets/qgsdoublespinbox.h

@@ -40,12 +40,6 @@ class GUI_EXPORT QgsDoubleSpinBox : public QDoubleSpinBox
 
     explicit QgsDoubleSpinBox( QWidget *parent = nullptr );
 
-    /** Sets background color of QLineEdit widget within spin box
-      * @param color the background color
-      * @note added in QGIS 2.16
-      */
-    void setBackgroundColor( const QColor *color = nullptr );
-
     //! determines if the widget will show a clear button
     //! @note the clear button will set the widget to its minimum value
     void setShowClearButton( const bool showClearButton );