Fix some compiler warnings

src/app/composer/qgscomposeritemwidget.h

@@ -47,21 +47,21 @@ class QgsComposerItemWidget: public QWidget, private Ui::QgsComposerItemWidgetBa
     void on_mItemIdLineEdit_textChanged( const QString& text );
 
     //adjust coordinates in line edits
-    void on_mXLineEdit_editingFinished(){ changeItemPosition(); }
-    void on_mYLineEdit_editingFinished(){ changeItemPosition(); }
-    void on_mWidthLineEdit_editingFinished(){ changeItemPosition(); }
-    void on_mHeightLineEdit_editingFinished(){ changeItemPosition(); }
+    void on_mXLineEdit_editingFinished() { changeItemPosition(); }
+    void on_mYLineEdit_editingFinished() { changeItemPosition(); }
+    void on_mWidthLineEdit_editingFinished() { changeItemPosition(); }
+    void on_mHeightLineEdit_editingFinished() { changeItemPosition(); }
+
+    void on_mUpperLeftCheckBox_stateChanged( int state ) { Q_UNUSED( state ); changeItemPosition(); }
+    void on_mUpperMiddleCheckBox_stateChanged( int state ) { Q_UNUSED( state ); changeItemPosition(); }
+    void on_mUpperRightCheckBox_stateChanged( int state ) { Q_UNUSED( state ); changeItemPosition(); }
+    void on_mMiddleLeftCheckBox_stateChanged( int state ) { Q_UNUSED( state ); changeItemPosition(); }
+    void on_mMiddleCheckBox_stateChanged( int state ) { Q_UNUSED( state ); changeItemPosition(); }
+    void on_mMiddleRightCheckBox_stateChanged( int state ) { Q_UNUSED( state ); changeItemPosition(); }
+    void on_mLowerLeftCheckBox_stateChanged( int state ) { Q_UNUSED( state ); changeItemPosition(); }
+    void on_mLowerMiddleCheckBox_stateChanged( int state ) { Q_UNUSED( state ); changeItemPosition(); }
+    void on_mLowerRightCheckBox_stateChanged( int state ) { Q_UNUSED( state ); changeItemPosition(); }
 
-    void on_mUpperLeftCheckBox_stateChanged( int state ){ changeItemPosition(); }
-    void on_mUpperMiddleCheckBox_stateChanged( int state ){ changeItemPosition(); }
-    void on_mUpperRightCheckBox_stateChanged( int state ){ changeItemPosition(); }
-    void on_mMiddleLeftCheckBox_stateChanged( int state ){ changeItemPosition(); }
-    void on_mMiddleCheckBox_stateChanged( int state ){ changeItemPosition(); }
-    void on_mMiddleRightCheckBox_stateChanged( int state ){ changeItemPosition(); }
-    void on_mLowerLeftCheckBox_stateChanged( int state ){ changeItemPosition(); }
-    void on_mLowerMiddleCheckBox_stateChanged( int state ){ changeItemPosition(); }
-    void on_mLowerRightCheckBox_stateChanged( int state ){ changeItemPosition(); }
-
     void setValuesForGuiElements();
     void setValuesForGuiPositionElements();
 

src/app/composer/qgscomposermapwidget.cpp

@@ -237,7 +237,7 @@ void QgsComposerMapWidget::updateGuiElements()
     blockAllSignals( true );
 
     //width, height, scale
-    QRectF composerMapRect = mComposerMap->rect();
+//    QRectF composerMapRect = mComposerMap->rect();
     mScaleLineEdit->setText( QString::number( mComposerMap->scale(), 'f', 0 ) );
 
     //preview mode
@@ -856,6 +856,7 @@ void QgsComposerMapWidget::showEvent( QShowEvent * event )
 
 void QgsComposerMapWidget::addPageToToolbox( QWidget* widget, const QString& name )
 {
+  Q_UNUSED( name );
   //TODO : wrap the widget in a collapsibleGroupBox to be more consistent with previous implementation
   mainLayout->addWidget( widget );
 }

src/app/composer/qgscomposerpicturewidget.cpp

@@ -314,7 +314,7 @@ void QgsComposerPictureWidget::setGuiElementValues()
     mRotationFromComposerMapCheckBox->blockSignals( true );
 
     mPictureLineEdit->setText( mPicture->pictureFile() );
-    QRectF pictureRect = mPicture->rect();
+//    QRectF pictureRect = mPicture->rect();
     mRotationSpinBox->setValue( mPicture->rotation() );
 
     refreshMapComboBox();

src/core/composer/qgscomposerlabel.cpp

@@ -25,9 +25,10 @@
 #include <QWebPage>
 
 QgsComposerLabel::QgsComposerLabel( QgsComposition *composition ):
-    QgsComposerItem( composition ), mMargin( 1.0 ), mHtmlState( 0 ), mFontColor( QColor( 0, 0, 0 ) ),
+    QgsComposerItem( composition ), mHtmlState( 0 ), mHtmlUnitsToMM( 1.0 ),
+    mMargin( 1.0 ), mFontColor( QColor( 0, 0, 0 ) ),
     mHAlignment( Qt::AlignLeft ), mVAlignment( Qt::AlignTop ),
-    mExpressionFeature( 0 ), mExpressionLayer( 0 ), mHtmlUnitsToMM( 1.0 )
+    mExpressionFeature( 0 ), mExpressionLayer( 0 )
 {
   mHtmlUnitsToMM = htmlUnitsToMM();
   //default font size is 10 point