themeeditor: Fix a pile of unusued argument warnings

Change-Id: I919c239a410e0ff708276d5ca9d1046b70af536b

utils/themeeditor/graphics/rbmovable.cpp

@@ -55,6 +55,8 @@ void RBMovable::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
         painter->fillRect(bottomLeftHandle(), Qt::green);
         painter->fillRect(bottomRightHandle(), Qt::green);
     }
+    (void)option;
+    (void)widget;
 }
 
 QVariant RBMovable::itemChange(GraphicsItemChange change, const QVariant &value)

utils/themeeditor/graphics/rbscreen.cpp

@@ -140,7 +140,8 @@ void RBScreen::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
     {
         painter->fillRect(0, 0, width, height, bgColor);
     }
-
+    (void)option;
+    (void)widget;
 }
 
 void RBScreen::loadViewport(QString name, RBViewport *view)

utils/themeeditor/graphics/rbtext.cpp

@@ -47,4 +47,7 @@ void RBText::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
         painter->drawImage(0, 0, *image, 0, 0, image->width(), image->height());
     else
         painter->drawImage(0, 0, *image, offset, 0, maxWidth, image->height());
+
+    (void)option;
+    (void)widget;
 }

utils/themeeditor/graphics/rbtoucharea.cpp

@@ -58,6 +58,8 @@ void RBTouchArea::paint(QPainter *painter,
         painter->setPen(Qt::NoPen);
         painter->drawRect(size);
     }
+    (void)option;
+    (void)widget;
 }
 
 void RBTouchArea::mousePressEvent(QGraphicsSceneMouseEvent *event)

utils/themeeditor/gui/fontdownloader.cpp

@@ -164,6 +164,7 @@ void FontDownloader::finished()
 void FontDownloader::netError(QNetworkReply::NetworkError code)
 {
     ui->label->setText(tr("Network error: ") + reply->errorString());
+    (void)code;
 }
 
 void FontDownloader::closeEvent(QCloseEvent *event)

utils/themeeditor/gui/targetdownloader.cpp

@@ -129,6 +129,7 @@ void TargetDownloader::finished()
 void TargetDownloader::netError(QNetworkReply::NetworkError code)
 {
     ui->label->setText(tr("Network error: ") + reply->errorString());
+    (void)code;
 }
 
 void TargetDownloader::closeEvent(QCloseEvent *event)

utils/themeeditor/models/projectmodel.cpp

@@ -99,6 +99,7 @@ ProjectModel::~ProjectModel()
 int ProjectModel::rowCount(const QModelIndex& parent) const
 {
     return files.count();
+    (void)parent;
 }
 
 QVariant ProjectModel::data(const QModelIndex &index, int role) const