diff --git a/Valentina.pri b/Valentina.pri
index c374c02c5..7d1a0fd8c 100644
--- a/Valentina.pri
+++ b/Valentina.pri
@@ -150,7 +150,7 @@ GCC_DEBUG_CXXFLAGS += \
     -Wmissing-format-attribute \
     -Wswitch-default \
     -Wuninitialized \
-    -Wno-variadic-macros \
+    -Wvariadic-macros \
     -Wlogical-op \
     -Wnoexcept \
     -Wmissing-noreturn \
diff --git a/src/app/container/vcontainer.cpp b/src/app/container/vcontainer.cpp
index 9e2b51a36..92eb14068 100644
--- a/src/app/container/vcontainer.cpp
+++ b/src/app/container/vcontainer.cpp
@@ -211,7 +211,7 @@ void VContainer::UpdateObject(QHash<quint32, val> &obj, const quint32 &id, val p
  */
 void VContainer::Clear()
 {
-    qCDebug(vCon)<<"Clearing container data.";
+    qCDebug(vCon, "Clearing container data.");
     _id = NULL_ID;
 
     d->details.clear();
diff --git a/src/app/core/qcommandlineoption.cpp b/src/app/core/qcommandlineoption.cpp
index 798c113ce..a063a1fea 100644
--- a/src/app/core/qcommandlineoption.cpp
+++ b/src/app/core/qcommandlineoption.cpp
@@ -21,10 +21,15 @@
 
 #include "qcommandlineoption.h"
 
-#include "qset.h"
+#include <QSet>
 
 #if QT_VERSION < QT_VERSION_CHECK(5, 2, 0)
 
+#ifdef Q_CC_GNU
+    #pragma GCC diagnostic push
+    #pragma GCC diagnostic ignored "-Weffc++"
+#endif
+
 class QCommandLineOptionPrivate : public QSharedData
 {
 public:
@@ -51,6 +56,10 @@ public:
     bool hidden;
 };
 
+#ifdef Q_CC_GNU
+    #pragma GCC diagnostic pop
+#endif
+
 /*!
     \since 5.2
     \class QCommandLineOption
diff --git a/src/app/core/vapplication.cpp b/src/app/core/vapplication.cpp
index 742dfc208..22b1bd9bd 100644
--- a/src/app/core/vapplication.cpp
+++ b/src/app/core/vapplication.cpp
@@ -180,7 +180,7 @@ VApplication::VApplication(int &argc, char **argv)
 //---------------------------------------------------------------------------------------------------------------------
 VApplication::~VApplication()
 {
-    qCDebug(vApp)<<"Application closing.";
+    qCDebug(vApp, "Application closing.");
     qInstallMessageHandler(0); // Resore the message handler
     delete out;
 
@@ -199,31 +199,31 @@ VApplication::~VApplication()
  */
 void VApplication::NewValentina(const QString &fileName)
 {
-    qCDebug(vApp)<<"Open new detached process.";
+    qCDebug(vApp, "Open new detached process.");
     if (fileName.isEmpty())
     {
-        qCDebug(vApp)<<"New process without arguments. program ="<<qApp->applicationFilePath();
+        qCDebug(vApp, "New process without arguments. program = %s", qApp->applicationFilePath().toUtf8().constData());
         // Path can contain spaces.
         if (QProcess::startDetached("\""+qApp->applicationFilePath()+"\""))
         {
-            qCDebug(vApp)<<"The process was started successfully.";
+            qCDebug(vApp, "The process was started successfully.");
         }
         else
         {
-            qCWarning(vApp)<<"Could not run process. The operation timed out or an error occurred.";
+            qCWarning(vApp, "Could not run process. The operation timed out or an error occurred.");
         }
     }
     else
     {
         const QString run = QString("\"%1\" \"%2\"").arg(qApp->applicationFilePath()).arg(fileName);
-        qCDebug(vApp)<<"New process with arguments. program ="<<run;
+        qCDebug(vApp, "New process with arguments. program = %s", run.toUtf8().constData());
         if (QProcess::startDetached(run))
         {
-            qCDebug(vApp)<<"The process was started successfully.";
+            qCDebug(vApp, "The process was started successfully.");
         }
         else
         {
-            qCWarning(vApp)<<"Could not run process. The operation timed out or an error occurred.";
+            qCWarning(vApp, "Could not run process. The operation timed out or an error occurred.");
         }
     }
 }
@@ -469,19 +469,20 @@ void VApplication::BeginLogging()
         logLock->setStaleLockTime(0);
         if (TryLock(logLock))
         {
-            qCDebug(vApp) << "Log file"<<LogPath()<<"was locked.";
+            qCDebug(vApp, "Log file %s was locked.", LogPath().toUtf8().constData());
         }
         else
         {
-            qCDebug(vApp) << "Failed to lock" << LogPath();
-            qCDebug(vApp) << "Error type:"<<logLock->error();
+            qCDebug(vApp, "Failed to lock %s", LogPath().toUtf8().constData());
+            qCDebug(vApp, "Error type: %d", logLock->error());
         }
     }
     else
     {
         delete log;
         log = nullptr;
-        qCDebug(vApp) << "Error opening log file '" << LogPath() << "'. All debug output redirected to console.";
+        qCDebug(vApp, "Error opening log file \'%s\'. All debug output redirected to console.",
+                LogPath().toUtf8().constData());
     }
 }
 
@@ -496,27 +497,27 @@ void VApplication::ClearOldLogs() const
     const QStringList allFiles = logsDir.entryList(QDir::NoDotAndDotDot | QDir::Files);
     if (allFiles.isEmpty() == false)
     {
-        qCDebug(vApp) << "Clearing old logs";
+        qCDebug(vApp, "Clearing old logs");
         for (int i = 0; i < allFiles.size(); ++i)
         {
             QFileInfo info(allFiles.at(i));
             QLockFile *lock = new QLockFile(info.absoluteFilePath() + ".lock");
             if (TryLock(lock))
             {
-                qCDebug(vApp) << "Locked file"<<info.absoluteFilePath();
+                qCDebug(vApp, "Locked file %s", info.absoluteFilePath().toUtf8().constData());
                 QFile oldLog(allFiles.at(i));
                 if (oldLog.remove())
                 {
-                    qCDebug(vApp) << "Deleted"<<info.absoluteFilePath();
+                    qCDebug(vApp, "Deleted %s", info.absoluteFilePath().toUtf8().constData());
                 }
                 else
                 {
-                    qCDebug(vApp) << "Could not delete"<<info.absoluteFilePath();
+                    qCDebug(vApp, "Could not delete %s", info.absoluteFilePath().toUtf8().constData());
                 }
             }
             else
             {
-                qCDebug(vApp) << "Failed to lock"<<info.absoluteFilePath();
+                qCDebug(vApp, "Failed to lock %s", info.absoluteFilePath().toUtf8().constData());
             }
             delete lock;
             lock = nullptr;
@@ -524,7 +525,7 @@ void VApplication::ClearOldLogs() const
     }
     else
     {
-        qCDebug(vApp) << "There are no old logs.";
+        qCDebug(vApp, "There are no old logs.");
     }
 }
 
diff --git a/src/app/dialogs/app/dialogincrements.cpp b/src/app/dialogs/app/dialogincrements.cpp
index 726147d78..c9b9c4653 100644
--- a/src/app/dialogs/app/dialogincrements.cpp
+++ b/src/app/dialogs/app/dialogincrements.cpp
@@ -58,10 +58,10 @@ DialogIncrements::DialogIncrements(VContainer *data, VPattern *doc, QWidget *par
 
     qApp->getSettings()->GetOsSeparator() ? setLocale(QLocale::system()) : setLocale(QLocale(QLocale::C));
 
-    qCDebug(vDialog)<<"Showing variables.";
+    qCDebug(vDialog, "Showing variables.");
     if (qApp->patternType() == MeasurementsType::Individual)
     {
-        qCDebug(vDialog)<<"Pattern with individual measurements.";
+        qCDebug(vDialog, "Pattern with individual measurements.");
         const QString filePath = doc->MPath();
         try
         {
@@ -668,7 +668,7 @@ void DialogIncrements::OpenTable()
  */
 void DialogIncrements::clickedToolButtonAdd()
 {
-    qCDebug(vDialog)<<"Add new increment";
+    qCDebug(vDialog, "Add new increment");
     ui->tableWidgetIncrement->setFocus(Qt::OtherFocusReason);
     ui->tableWidgetIncrement->blockSignals(true);
     qint32 currentRow  = ui->tableWidgetIncrement->rowCount();
@@ -738,7 +738,7 @@ void DialogIncrements::clickedToolButtonRemove()
     qint32 row = item->row();
 
     QTableWidgetItem *itemName = ui->tableWidgetIncrement->item(row, 0);
-    qCDebug(vDialog)<<"Remove increment"<<itemName->text();
+    qCDebug(vDialog, "Remove increment %s", itemName->text().toUtf8().constData());
     data->RemoveIncrement(itemName->text());
 
     quint32 id = qvariant_cast<quint32>(itemName->data(Qt::UserRole));
@@ -750,7 +750,7 @@ void DialogIncrements::clickedToolButtonRemove()
     }
     else
     {
-        qCDebug(vDialog)<<"Could not find object with id"<<id;
+        qCDebug(vDialog, "Could not find object with id %u", id);
         return;
     }
 
@@ -778,9 +778,9 @@ void DialogIncrements::clickedToolButtonRemove()
 void DialogIncrements::AddIncrementToFile(const quint32 &id, const QString &name, const qreal &base, const qreal &ksize,
                                           const qreal &kheight, const QString &description)
 {
-    qCDebug(vDialog)<<"Saving new increment to file.";
-    qCDebug(vDialog)<<QString("Increment: id(%1), name(%2), base(%3), ksize(%4), kheight(%5), description(%6)")
-                      .arg(id).arg(name).arg(base).arg(ksize).arg(kheight).arg(description);
+    qCDebug(vDialog, "Saving new increment to file.");
+    qCDebug(vDialog, "%s", QString("Increment: id(%1), name(%2), base(%3), ksize(%4), kheight(%5), description(%6)")
+                      .arg(id).arg(name).arg(base).arg(ksize).arg(kheight).arg(description).toUtf8().constData());
     QDomElement element = doc->createElement(VPattern::TagIncrement);
 
     doc->SetAttribute(element, VDomDocument::AttrId, id);
@@ -812,47 +812,47 @@ void DialogIncrements::HideColumns(QTableWidget *table)
  */
 void DialogIncrements::IncrementChanged ( qint32 row, qint32 column )
 {
-    qCDebug(vDialog)<<"Increment changed.";
+    qCDebug(vDialog, "Increment changed.");
     const QTableWidgetItem *itemName = ui->tableWidgetIncrement->item(row, 0);
     const QTableWidgetItem *item = ui->tableWidgetIncrement->item(row, column);
     const quint32 id = qvariant_cast<quint32>(itemName->data(Qt::UserRole));
     QDomElement domElement = doc->elementById(id);
     if (domElement.isElement() == false)
     {
-        qCDebug(vDialog)<<"Cant't find increment with id = "<<id<<Q_FUNC_INFO;
+        qCDebug(vDialog, "Cant't find increment with id = %u", id);
         return;
     }
     this->row = row;
     switch (column)
     {
         case 0: // VPattern::IncrementName
-            qCDebug(vDialog)<<"Changed name to"<<item->text();
+            qCDebug(vDialog, "Changed name to %s", item->text().toUtf8().constData());
             doc->SetAttribute(domElement, VPattern::IncrementName, item->text());
             data->ClearVariables(VarType::Increment);
             this->column = 2;
             emit FullUpdateTree(Document::LiteParse);
             break;
         case 2: // VPattern::IncrementBase
-            qCDebug(vDialog)<<"Changed base to"<<item->text();
+            qCDebug(vDialog, "Changed base to %s", item->text().toUtf8().constData());
             doc->SetAttribute(domElement, VPattern::IncrementBase, item->text());
             this->column = 3;
             emit FullUpdateTree(Document::LiteParse);
             break;
         case 3: // VPattern::IncrementKsize
-            qCDebug(vDialog)<<"Changed ksize to"<<item->text();
+            qCDebug(vDialog, "Changed ksize to %s", item->text().toUtf8().constData());
             doc->SetAttribute(domElement, VPattern::IncrementKsize, item->text());
             this->column = 4;
             emit FullUpdateTree(Document::LiteParse);
             break;
         case 4: // VPattern::IncrementKgrowth
-            qCDebug(vDialog)<<"Changed kheight to"<<item->text();
+            qCDebug(vDialog, "Changed kheight to %s", item->text().toUtf8().constData());
             doc->SetAttribute(domElement, VPattern::IncrementKgrowth, item->text());
             this->column = 5;
             emit FullUpdateTree(Document::LiteParse);
             break;
         case 5: // VPattern::IncrementDescription
         {
-            qCDebug(vDialog)<<"Changed description to"<<item->text();
+            qCDebug(vDialog, "Changed description to %s", item->text().toUtf8().constData());
             doc->SetAttribute(domElement, VPattern::IncrementDescription, item->text());
             QSharedPointer<VIncrement> incr = data->GetVariable<VIncrement>(itemName->text());
             incr->SetDescription(item->text());
@@ -873,7 +873,7 @@ void DialogIncrements::IncrementChanged ( qint32 row, qint32 column )
 //---------------------------------------------------------------------------------------------------------------------
 void DialogIncrements::MeasurementChanged(qint32 row, qint32 column)
 {
-    qCDebug(vDialog)<<"Measurement changed.";
+    qCDebug(vDialog, "Measurement changed.");
     switch (column)
     {
         case 2:// value column
@@ -887,7 +887,7 @@ void DialogIncrements::MeasurementChanged(qint32 row, qint32 column)
             QDomElement domElement = list.at(0).toElement();
             if (domElement.isElement() == false)
             {
-                qCDebug(vDialog)<<"Can't find measurement "<<tag<<Q_FUNC_INFO;
+                qCDebug(vDialog, "Can't find measurement %s", tag.toUtf8().constData());
                 return;
             }
 
@@ -897,13 +897,13 @@ void DialogIncrements::MeasurementChanged(qint32 row, qint32 column)
             {
                 measur->SetBase(0);
                 item->setText("0");
-                qCDebug(vDialog)<<"Can't convert toDouble measurement value"<<Q_FUNC_INFO;
+                qCDebug(vDialog, "Can't convert toDouble measurement value");
             }
             else
             {
                 measur->SetBase(base);
             }
-            qCDebug(vDialog)<<"Changed value to"<<base;
+            qCDebug(vDialog, "Changed value to %f", base);
 
             // Convert value to measurements table unit
             base = VAbstractMeasurements::UnitConvertor(base, qApp->patternUnit(), m->MUnit());
diff --git a/src/app/dialogs/app/dialogstandardmeasurements.cpp b/src/app/dialogs/app/dialogstandardmeasurements.cpp
index e8574de98..a136dcfe3 100644
--- a/src/app/dialogs/app/dialogstandardmeasurements.cpp
+++ b/src/app/dialogs/app/dialogstandardmeasurements.cpp
@@ -64,7 +64,7 @@ DialogStandardMeasurements::DialogStandardMeasurements(VContainer *data, const Q
         connect(bCansel, &QPushButton::clicked, this, &DialogStandardMeasurements::DialogRejected);
     }
 
-    qCDebug(vStMeasur)<<"Pattern piece name"<<_name;
+    qCDebug(vStMeasur, "Pattern piece name %s", _name.toUtf8().constData());
     ui->lineEditName->setText(_name);
 
     LoadStandardTables();
@@ -151,7 +151,7 @@ void DialogStandardMeasurements::CheckState()
 //---------------------------------------------------------------------------------------------------------------------
 void DialogStandardMeasurements::LoadStandardTables()
 {
-    qCDebug(vStMeasur)<<"Loading standard table.";
+    qCDebug(vStMeasur, "Loading standard table.");
     QStringList filters{"*.vst"};
     //Use standard path to standard measurements
     const QString path = qApp->getSettings()->GetPathStandardMeasurements();
@@ -162,13 +162,13 @@ void DialogStandardMeasurements::LoadStandardTables()
     const QStringList allFiles = tablesDir.entryList(QDir::NoDotAndDotDot | QDir::Files);
     if (allFiles.isEmpty() == true)
     {
-        qCDebug(vStMeasur)<<"Can't find standard measurements in path"<<path;
+        qCDebug(vStMeasur, "Can't find standard measurements in path %s", path.toUtf8().constData());
         ui->comboBoxTables->clear();
         CheckState();
         return;
     }
 
-    qCDebug(vStMeasur)<<"Was found"<<allFiles.size()<<"tables.";
+    qCDebug(vStMeasur, "Was found %d tables.", allFiles.size());
     for (int i = 0; i < allFiles.size(); ++i)
     {
         QFileInfo fi(allFiles.at(i));
@@ -179,22 +179,23 @@ void DialogStandardMeasurements::LoadStandardTables()
             m.setXMLContent(fi.absoluteFilePath());
             if (m.MUnit() == Unit::Inch)
             {
-                qCWarning(vStMeasur)<<"We do not support inches for standard table. Ignore table"
-                                    <<fi.absoluteFilePath()<<".";
+                qCWarning(vStMeasur, "We do not support inches for standard table. Ignore table %s .",
+                          fi.absoluteFilePath().toUtf8().constData());
             }
             else
             {
                 const QString desc = m.TrDescription();
                 if (desc.isEmpty() == false)
                 {
-                    qCDebug(vStMeasur)<<"Adding table from"<<fi.absoluteFilePath();
+                    qCDebug(vStMeasur, "Adding table from %s", fi.absoluteFilePath().toUtf8().constData());
                     ui->comboBoxTables->addItem(desc, QVariant(fi.absoluteFilePath()));
                 }
             }
         }
         catch (VException &e)
         {
-            qCDebug(vStMeasur)<<"File error."<<e.ErrorMessage()<<e.DetailedInformation()<<Q_FUNC_INFO;
+            qCDebug(vStMeasur, "File error. %s %s", e.ErrorMessage().toUtf8().constData(),
+                    e.DetailedInformation().toUtf8().constData());
             continue;
         }
     }
diff --git a/src/app/mainwindow.cpp b/src/app/mainwindow.cpp
index 4c3509aa7..b0bf2c89b 100644
--- a/src/app/mainwindow.cpp
+++ b/src/app/mainwindow.cpp
@@ -143,30 +143,30 @@ MainWindow::MainWindow(QWidget *parent)
  */
 void MainWindow::ActionNewPP()
 {
-    qCDebug(vMainWindow)<<"New PP.";
+    qCDebug(vMainWindow, "New PP.");
     QString patternPieceName = QString(tr("Pattern piece %1")).arg(comboBoxDraws->count()+1);
-    qCDebug(vMainWindow)<<"Generated PP name:"<<patternPieceName;
+    qCDebug(vMainWindow, "Generated PP name: %s", patternPieceName.toUtf8().constData());
     QString path;
     if (comboBoxDraws->count() == 0)
     {
-        qCDebug(vMainWindow)<<"First PP";
+        qCDebug(vMainWindow, "First PP");
         DialogMeasurements measurements(this);
         if (measurements.exec() == QDialog::Rejected)
         {
-            qCDebug(vMainWindow)<<"Creation PP was canceled";
+            qCDebug(vMainWindow, "Creation PP was canceled");
             return;
         }
         if (measurements.type() == MeasurementsType::Standard)
         {
-            qCDebug(vMainWindow)<<"PP with standard measurements";
+            qCDebug(vMainWindow, "PP with standard measurements");
             qApp->setPatternType(MeasurementsType::Standard);
             DialogStandardMeasurements stMeasurements(pattern, patternPieceName, this);
             if (stMeasurements.exec() == QDialog::Accepted)
             {
                 patternPieceName = stMeasurements.name();
-                qCDebug(vMainWindow)<<"PP name:"<<patternPieceName;
+                qCDebug(vMainWindow, "PP name: %s", patternPieceName.toUtf8().constData());
                 path = stMeasurements.tablePath();
-                qCDebug(vMainWindow)<<"Table path:"<<path;
+                qCDebug(vMainWindow, "Table path: %s", path.toUtf8().constData());
                 VStandardMeasurements m(pattern);
                 m.setXMLContent(path);
                 m.SetSize();
@@ -175,13 +175,13 @@ void MainWindow::ActionNewPP()
             }
             else
             {
-                qCDebug(vMainWindow)<<"Selection standard measurements canceled.";
+                qCDebug(vMainWindow, "Selection standard measurements canceled.");
                 return;
             }
         }
         else
         {
-            qCDebug(vMainWindow)<<"PP with individual measurements.";
+            qCDebug(vMainWindow, "PP with individual measurements.");
             QMessageBox::StandardButton ret;
             ret = QMessageBox::question(this, tr("Individual measurements is under development"),
                                         tr("There is no way create individual measurements file independent on the "
@@ -198,16 +198,16 @@ void MainWindow::ActionNewPP()
             if (indMeasurements.exec() == QDialog::Accepted)
             {
                 patternPieceName = indMeasurements.name();
-                qCDebug(vMainWindow)<<"PP name:"<<patternPieceName;
+                qCDebug(vMainWindow, "PP name: %s", patternPieceName.toUtf8().constData());
                 path = indMeasurements.tablePath();
-                qCDebug(vMainWindow)<<"Table path:"<<path;
+                qCDebug(vMainWindow, "Table path: %s", path.toUtf8().constData());
                 VIndividualMeasurements m(pattern);
                 m.setXMLContent(path);
                 m.Measurements();
             }
             else
             {
-                qCDebug(vMainWindow)<<"Selection individual measurements canceled.";
+                qCDebug(vMainWindow, "Selection individual measurements canceled.");
                 return;
             }
         }
@@ -219,19 +219,19 @@ void MainWindow::ActionNewPP()
     }
     else
     {
-        qCDebug(vMainWindow)<<"PP count"<<comboBoxDraws->count();
+        qCDebug(vMainWindow, "PP count %d", comboBoxDraws->count());
         patternPieceName = PatternPieceName(patternPieceName);
-        qCDebug(vMainWindow)<<"PP name:"<<patternPieceName;
+        qCDebug(vMainWindow, "PP name: %s", patternPieceName.toUtf8().constData());
         if (patternPieceName.isEmpty())
         {
-            qCDebug(vMainWindow)<<"Name empty.";
+            qCDebug(vMainWindow, "Name empty.");
             return;
         }
         path = doc->MPath();
     }
     if (doc->appendPP(patternPieceName) == false)
     {
-        qCDebug(vMainWindow)<<"Error creating pattern piece with the name "<<patternPieceName<<".";
+        qCDebug(vMainWindow, "Error creating pattern piece with the name %s.", patternPieceName.toUtf8().constData());
         return;
     }
     comboBoxDraws->blockSignals(true);
@@ -826,7 +826,7 @@ void MainWindow::showEvent( QShowEvent *event )
  */
 void MainWindow::closeEvent(QCloseEvent *event)
 {
-    qCDebug(vMainWindow)<<"Closing main window";
+    qCDebug(vMainWindow, "Closing main window");
     if (MaybeSave())
     {
         FileClosedCorrect();
@@ -836,7 +836,7 @@ void MainWindow::closeEvent(QCloseEvent *event)
     }
     else
     {
-        qCDebug(vMainWindow)<<"Closing canceled.";
+        qCDebug(vMainWindow, "Closing canceled.");
         event->ignore();
     }
 }
@@ -1045,10 +1045,10 @@ void MainWindow::mouseMove(const QPointF &scenePos)
  */
 void MainWindow::CancelTool()
 {
-    qCDebug(vMainWindow)<<"Canceling tool.";
+    qCDebug(vMainWindow, "Canceling tool.");
     delete dialogTool;
     dialogTool = nullptr;
-    qCDebug(vMainWindow)<<"Dialog closed.";
+    qCDebug(vMainWindow, "Dialog closed.");
     switch ( currentTool )
     {
         case Tool::Arrow:
@@ -1142,7 +1142,7 @@ void MainWindow::CancelTool()
  */
 void  MainWindow::ArrowTool()
 {
-    qCDebug(vMainWindow)<<"Arrow tool.";
+    qCDebug(vMainWindow, "Arrow tool.");
     CancelTool();
     ui->actionArrowTool->setChecked(true);
     ui->actionStopTool->setEnabled(false);
@@ -1152,7 +1152,7 @@ void  MainWindow::ArrowTool()
     ui->view->setCursor(cur);
     helpLabel->setText("");
     ui->view->setShowToolOptions(true);
-    qCDebug(vMainWindow)<<"Enabled arrow tool.";
+    qCDebug(vMainWindow, "Enabled arrow tool.");
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -1218,7 +1218,7 @@ void MainWindow::ActionDraw(bool checked)
 {
     if (checked)
     {
-        qCDebug(vMainWindow)<<"Show draw scene";
+        qCDebug(vMainWindow, "Show draw scene");
         ui->actionDetails->setChecked(false);
         SaveCurrentScene();
 
@@ -1256,7 +1256,7 @@ void MainWindow::ActionDetails(bool checked)
 {
     if (checked)
     {
-        qCDebug(vMainWindow)<<"Show details scene";
+        qCDebug(vMainWindow, "Show details scene");
         ui->actionDraw->setChecked(false);
         SaveCurrentScene();
 
@@ -1380,7 +1380,7 @@ bool MainWindow::Save()
  */
 void MainWindow::Open()
 {
-    qCDebug(vMainWindow)<<"Openning new file.";
+    qCDebug(vMainWindow, "Openning new file.");
     const QString filter(tr("Pattern files (*.val)"));
     //Get list last open files
     const QStringList files = qApp->getSettings()->GetRecentFileList();
@@ -1394,7 +1394,7 @@ void MainWindow::Open()
         //Absolute path to last open file
         dir = QFileInfo(files.first()).absolutePath();
     }
-    qCDebug(vMainWindow)<<"Run QFileDialog::getOpenFileName: dir ="<<dir<<".";
+    qCDebug(vMainWindow, "Run QFileDialog::getOpenFileName: dir = %s.", dir.toUtf8().constData());
     const QString filePath = QFileDialog::getOpenFileName(this, tr("Open file"), dir, filter);
     if (filePath.isEmpty())
     {
@@ -1421,14 +1421,14 @@ void MainWindow::Preferences()
 //---------------------------------------------------------------------------------------------------------------------
 void MainWindow::RepotBug()
 {
-    qCDebug(vMainWindow)<<"Reporting bug";
+    qCDebug(vMainWindow, "Reporting bug");
     QDesktopServices::openUrl(QUrl("https://bitbucket.org/dismine/valentina/issues/new"));
 }
 
 //---------------------------------------------------------------------------------------------------------------------
 void MainWindow::OnlineHelp()
 {
-    qCDebug(vMainWindow)<<"Showing online help";
+    qCDebug(vMainWindow, "Showing online help");
     QDesktopServices::openUrl(QUrl("https://bitbucket.org/dismine/valentina/wiki/manual/Content"));
 }
 
@@ -1438,21 +1438,21 @@ void MainWindow::OnlineHelp()
  */
 void MainWindow::Clear()
 {
-    qCDebug(vMainWindow)<<"Reseting main window.";
+    qCDebug(vMainWindow, "Reseting main window.");
 
     delete lock; // Unlock pattern file
     lock = nullptr;
-    qCDebug(vMainWindow)<<"Unlocked pattern file.";
+    qCDebug(vMainWindow, "Unlocked pattern file.");
 
     ui->actionDetails->setChecked(false);
     ui->actionDraw->setChecked(true);
     ui->actionDraw->setEnabled(false);
-    qCDebug(vMainWindow)<<"Returned to Draw mode.";
+    qCDebug(vMainWindow, "Returned to Draw mode.");
     setCurrentFile(QString());
     pattern->Clear();
-    qCDebug(vMainWindow)<<"Clearing pattern.";
+    qCDebug(vMainWindow, "Clearing pattern.");
     doc->clear();
-    qCDebug(vMainWindow)<<"Clearing scenes.";
+    qCDebug(vMainWindow, "Clearing scenes.");
     sceneDraw->clear();
     sceneDetails->clear();
     ArrowTool();
@@ -1501,7 +1501,7 @@ void MainWindow::FileClosedCorrect()
     {
         autofile.remove();
     }
-    qCDebug(vMainWindow)<<"File"<<curFile<<"closed correct.";
+    qCDebug(vMainWindow, "File %s closed correct.", curFile.toUtf8().constData());
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -1521,7 +1521,7 @@ void MainWindow::ResetWindow()
 //---------------------------------------------------------------------------------------------------------------------
 void MainWindow::FullParseFile()
 {
-    qCDebug(vMainWindow)<<"Full parsing file";
+    qCDebug(vMainWindow, "Full parsing file");
 
     toolOptions->ClearPropertyBrowser();
     try
@@ -1997,7 +1997,7 @@ void MainWindow::MinimumScrollBar()
  */
 bool MainWindow::SavePattern(const QString &fileName, QString &error)
 {
-    qCDebug(vMainWindow)<<"Saving pattern file"<<fileName<<".";
+    qCDebug(vMainWindow, "Saving pattern file %s.", fileName.toUtf8().constData());
     QFileInfo tempInfo(fileName);
     const bool result = doc->SaveDocument(fileName, error);
     if (result)
@@ -2006,13 +2006,13 @@ bool MainWindow::SavePattern(const QString &fileName, QString &error)
         {
             setCurrentFile(fileName);
             helpLabel->setText(tr("File saved"));
-            qCDebug(vMainWindow)<<"File"<<fileName<<"saved.";
+            qCDebug(vMainWindow, "File %s saved.", fileName.toUtf8().constData());
             PatternWasModified(result);
         }
     }
     else
     {
-        qCDebug(vMainWindow)<<"Could not save file"<<fileName<<"."<<error<<".";
+        qCDebug(vMainWindow, "Could not save file %s. %s.", fileName.toUtf8().constData(), error.toUtf8().constData());
     }
     return result;
 }
@@ -2023,7 +2023,7 @@ bool MainWindow::SavePattern(const QString &fileName, QString &error)
  */
 void MainWindow::AutoSavePattern()
 {
-    qCDebug(vMainWindow)<<"Autosaving pattern.";
+    qCDebug(vMainWindow, "Autosaving pattern.");
 
     if (curFile.isEmpty() == false && this->isWindowModified() == true)
     {
@@ -2041,7 +2041,7 @@ void MainWindow::AutoSavePattern()
  */
 void MainWindow::setCurrentFile(const QString &fileName)
 {
-    qCDebug(vMainWindow)<<"Set current name to \""<<fileName<<"\"";
+    qCDebug(vMainWindow, "Set current name to \"%s\"", fileName.toUtf8().constData());
     curFile = fileName;
     qApp->getUndoStack()->setClean();
 
@@ -2052,7 +2052,7 @@ void MainWindow::setCurrentFile(const QString &fileName)
     }
     else
     {
-        qCDebug(vMainWindow)<<"Updating recent file list.";
+        qCDebug(vMainWindow, "Updating recent file list.");
         QStringList files = qApp->getSettings()->GetRecentFileList();
         files.removeAll(fileName);
         files.prepend(fileName);
@@ -2064,7 +2064,7 @@ void MainWindow::setCurrentFile(const QString &fileName)
         qApp->getSettings()->SetRecentFileList(files);
         UpdateRecentFileActions();
 
-        qCDebug(vMainWindow)<<"Updating restore file list.";
+        qCDebug(vMainWindow, "Updating restore file list.");
         QStringList restoreFiles = qApp->getSettings()->GetRestoreFileList();
         restoreFiles.removeAll(fileName);
         restoreFiles.prepend(fileName);
@@ -2091,7 +2091,7 @@ QString MainWindow::strippedName(const QString &fullFileName)
  */
 void MainWindow::ReadSettings()
 {
-    qCDebug(vMainWindow)<<"Reading settings.";
+    qCDebug(vMainWindow, "Reading settings.");
     restoreGeometry(qApp->getSettings()->GetGeometry());
     restoreState(qApp->getSettings()->GetWindowState());
 
@@ -2142,7 +2142,7 @@ bool MainWindow::MaybeSave()
 //---------------------------------------------------------------------------------------------------------------------
 void MainWindow::UpdateRecentFileActions()
 {
-    qCDebug(vMainWindow)<<"Updating recent file actions.";
+    qCDebug(vMainWindow, "Updating recent file actions.");
     const QStringList files = qApp->getSettings()->GetRecentFileList();
     const int numRecentFiles = qMin(files.size(), static_cast<int>(MaxRecentFiles));
 
@@ -2323,7 +2323,7 @@ void MainWindow::AddDocks()
 //---------------------------------------------------------------------------------------------------------------------
 void MainWindow::PropertyBrowser()
 {
-    qCDebug(vMainWindow)<<"Initialization property browser.";
+    qCDebug(vMainWindow, "Initialization property browser.");
     toolOptions = new VToolOptionsPropertyBrowser(ui->dockWidgetToolOptions);
 
     connect(ui->view, &VMainGraphicsView::itemClicked, toolOptions, &VToolOptionsPropertyBrowser::itemClicked);
@@ -2395,7 +2395,7 @@ void MainWindow::InitAutoSave()
     {
         const qint32 autoTime = qApp->getSettings()->GetAutosaveTime();
         autoSaveTimer->start(autoTime*60000);
-        qCDebug(vMainWindow)<<"Autosaving each"<<autoTime<<"minutes.";
+        qCDebug(vMainWindow, "Autosaving each %d minutes.", autoTime);
     }
     qApp->setAutoSaveTimer(autoSaveTimer);
 }
@@ -2449,7 +2449,7 @@ MainWindow::~MainWindow()
  */
 void MainWindow::LoadPattern(const QString &fileName)
 {
-    qCDebug(vMainWindow)<<"Loading new file"<<fileName<<".";
+    qCDebug(vMainWindow, "Loading new file %s.", fileName.toUtf8().constData());
 
     //We have unsaved changes or load more then one file per time
     if (OpenNewValentina(fileName))
@@ -2459,25 +2459,25 @@ void MainWindow::LoadPattern(const QString &fileName)
 
     if (fileName.isEmpty())
     {
-        qCDebug(vMainWindow) << "Got empty file.";
+        qCDebug(vMainWindow, "Got empty file.");
         Clear();
         return;
     }
 
-    qCDebug(vMainWindow)<<"Loking file";
+    qCDebug(vMainWindow, "Loking file");
     lock = new QLockFile(fileName+".lock");
     lock->setStaleLockTime(0);
     if (VApplication::TryLock(lock))
     {
-        qCDebug(vMainWindow) << "Pattern file"<<fileName<<"was locked.";
+        qCDebug(vMainWindow, "Pattern file %s was locked.", fileName.toUtf8().constData());
     }
     else
     {
-        qCDebug(vMainWindow) << "Failed to lock" << fileName;
-        qCDebug(vMainWindow) << "Error type:"<<lock->error();
+        qCDebug(vMainWindow, "Failed to lock %s", fileName.toUtf8().constData());
+        qCDebug(vMainWindow, "Error type: %d", lock->error());
         if (lock->error() == QLockFile::LockFailedError)
         {
-            qCCritical(vMainWindow) << tr("This file already opened in another window.");
+            qCCritical(vMainWindow, "%s", tr("This file already opened in another window.").toUtf8().constData());
             Clear();
             return;
         }
@@ -2520,7 +2520,7 @@ void MainWindow::LoadPattern(const QString &fileName)
             {
                 QMessageBox::critical(this, tr("Wrong units."),
                                       tr("Application doesn't support standard table with inches."));
-                qCDebug(vMainWindow)<<"Application doesn't support standard table with inches.";
+                qCDebug(vMainWindow, "Application doesn't support standard table with inches.");
                 Clear();
                 return;
             }
@@ -2556,7 +2556,7 @@ void MainWindow::LoadPattern(const QString &fileName)
             PatternWasModified(!patternModified);
         }
         helpLabel->setText(tr("File loaded"));
-        qCDebug(vMainWindow)<<"File loaded.";
+        qCDebug(vMainWindow, "File loaded.");
 
         qApp->setOpeningPattern();// End opening file
 
@@ -2611,7 +2611,7 @@ void MainWindow::ReopenFilesAfterCrash(QStringList &args)
     const QStringList files = GetUnlokedRestoreFileList();
     if (files.size() > 0)
     {
-        qCDebug(vMainWindow)<<"Reopen files after crash.";
+        qCDebug(vMainWindow, "Reopen files after crash.");
 
         QStringList restoreFiles;
         for (int i = 0; i < files.size(); ++i)
@@ -2632,7 +2632,7 @@ void MainWindow::ReopenFilesAfterCrash(QStringList &args)
                                           QMessageBox::Yes);
             if (reply == QMessageBox::Yes)
             {
-                qCDebug(vMainWindow)<<"User said Yes.";
+                qCDebug(vMainWindow, "User said Yes.");
 
                 for (int i = 0; i < restoreFiles.size(); ++i)
                 {
@@ -2646,8 +2646,9 @@ void MainWindow::ReopenFilesAfterCrash(QStringList &args)
                     }
                     else
                     {
-                        qCDebug(vMainWindow) << "Could not copy "<<restoreFiles.at(i) +".autosave"<<"to"
-                                             <<restoreFiles.at(i)<<error;
+                        qCDebug(vMainWindow, "Could not copy %s.autosave to %s %s",
+                                restoreFiles.at(i).toUtf8().constData(), restoreFiles.at(i).toUtf8().constData(),
+                                error.toUtf8().constData());
                     }
                 }
             }
diff --git a/src/app/tools/drawTools/vdrawtool.cpp b/src/app/tools/drawTools/vdrawtool.cpp
index 1281d8577..14177beba 100644
--- a/src/app/tools/drawTools/vdrawtool.cpp
+++ b/src/app/tools/drawTools/vdrawtool.cpp
@@ -113,7 +113,7 @@ void VDrawTool::FullUpdateFromGuiApply()
 //---------------------------------------------------------------------------------------------------------------------
 void VDrawTool::SaveDialogChange()
 {
-    qCDebug(vTool)<<"Saving tool options after using dialog";
+    qCDebug(vTool, "Saving tool options after using dialog");
     QDomElement oldDomElement = doc->elementById(id);
     if (oldDomElement.isElement())
     {
@@ -126,7 +126,7 @@ void VDrawTool::SaveDialogChange()
     }
     else
     {
-        qCDebug(vTool)<<"Can't find tool with id ="<< id << Q_FUNC_INFO;
+        qCDebug(vTool, "Can't find tool with id = %u", id);
     }
 }
 
@@ -156,7 +156,7 @@ void VDrawTool::RefreshDataInFile()
     }
     else
     {
-        qCDebug(vTool)<<"Can't find tool with id ="<< id << Q_FUNC_INFO;
+        qCDebug(vTool, "Can't find tool with id = %u", id);
     }
 }
 
@@ -183,7 +183,7 @@ void VDrawTool::ReadAttributes()
     }
     else
     {
-        qCDebug(vTool)<<"Can't find tool with id ="<< id << Q_FUNC_INFO;
+        qCDebug(vTool, "Can't find tool with id = %u", id);
     }
 }
 
diff --git a/src/app/tools/drawTools/vtoolpoint.cpp b/src/app/tools/drawTools/vtoolpoint.cpp
index 938ebb112..f5293b81d 100644
--- a/src/app/tools/drawTools/vtoolpoint.cpp
+++ b/src/app/tools/drawTools/vtoolpoint.cpp
@@ -90,7 +90,8 @@ QString VToolPoint::name() const
     }
     catch (const VExceptionBadId &e)
     {
-        qCDebug(vToolPoint)<<"Error!"<<"Couldn't get point name."<<e.ErrorMessage()<<e.DetailedInformation();
+        qCDebug(vToolPoint, "Error! Couldn't get point name. %s %s", e.ErrorMessage().toUtf8().constData(),
+                e.DetailedInformation().toUtf8().constData());
         return QString("");// Return empty string for property browser
     }
 }
diff --git a/src/app/tools/vabstracttool.cpp b/src/app/tools/vabstracttool.cpp
index 1733ee413..9f1c6581c 100644
--- a/src/app/tools/vabstracttool.cpp
+++ b/src/app/tools/vabstracttool.cpp
@@ -329,7 +329,7 @@ QMap<QString, quint32> VAbstractTool::PointsList() const
 //---------------------------------------------------------------------------------------------------------------------
 void VAbstractTool::SaveOption(QSharedPointer<VGObject> &obj)
 {
-    qCDebug(vTool)<<"Saving tool options";
+    qCDebug(vTool, "Saving tool options");
     QDomElement oldDomElement = doc->elementById(id);
     if (oldDomElement.isElement())
     {
@@ -343,7 +343,7 @@ void VAbstractTool::SaveOption(QSharedPointer<VGObject> &obj)
     }
     else
     {
-        qCDebug(vTool)<<"Can't find tool with id ="<< id << Q_FUNC_INFO;
+        qCDebug(vTool, "Can't find tool with id = %u", id);
     }
 }
 
diff --git a/src/app/undocommands/adddet.cpp b/src/app/undocommands/adddet.cpp
index 125cc5ae3..d522598f8 100644
--- a/src/app/undocommands/adddet.cpp
+++ b/src/app/undocommands/adddet.cpp
@@ -45,7 +45,7 @@ AddDet::~AddDet()
 // cppcheck-suppress unusedFunction
 void AddDet::undo()
 {
-    qCDebug(vUndo)<<"Undo.";
+    qCDebug(vUndo, "Undo.");
 
     QDomElement element;
     if (doc->GetActivNodeElement(VPattern::TagDetails, element))
@@ -55,19 +55,19 @@ void AddDet::undo()
         {
             if (element.removeChild(domElement).isNull())
             {
-                qCDebug(vUndo)<<"Can't delete node";
+                qCDebug(vUndo, "Can't delete node");
                 return;
             }
         }
         else
         {
-            qCDebug(vUndo)<<"Can't get node by id = "<<nodeId<<".";
+            qCDebug(vUndo, "Can't get node by id = %u.", nodeId);
             return;
         }
     }
     else
     {
-        qCDebug(vUndo)<<"Can't find tag"<<VPattern::TagDetails<<".";
+        qCDebug(vUndo, "Can't find tag %s.", VPattern::TagDetails.toUtf8().constData());
         return;
     }
     emit NeedFullParsing();
@@ -77,7 +77,7 @@ void AddDet::undo()
 // cppcheck-suppress unusedFunction
 void AddDet::redo()
 {
-    qCDebug(vUndo)<<"Redo.";
+    qCDebug(vUndo, "Redo.");
 
     QDomElement element;
     if (doc->GetActivNodeElement(VPattern::TagDetails, element))
@@ -86,7 +86,7 @@ void AddDet::redo()
     }
     else
     {
-        qCDebug(vUndo)<<"Can't find tag"<<VPattern::TagDetails<<".";
+        qCDebug(vUndo, "Can't find tag %s.", VPattern::TagDetails.toUtf8().constData());
         return;
     }
     RedoFullParsing();
diff --git a/src/app/undocommands/adddetnode.cpp b/src/app/undocommands/adddetnode.cpp
index 6f6a78e5d..c46c0d86d 100644
--- a/src/app/undocommands/adddetnode.cpp
+++ b/src/app/undocommands/adddetnode.cpp
@@ -44,7 +44,7 @@ AddDetNode::~AddDetNode()
 //---------------------------------------------------------------------------------------------------------------------
 void AddDetNode::undo()
 {
-    qCDebug(vUndo)<<"Undo.";
+    qCDebug(vUndo, "Undo.");
 
     QDomElement modelingElement;
     if (doc->GetActivNodeElement(VPattern::TagModeling, modelingElement))
@@ -54,19 +54,19 @@ void AddDetNode::undo()
         {
             if (modelingElement.removeChild(domElement).isNull())
             {
-               qCDebug(vUndo)<<"Can't delete node.";
+               qCDebug(vUndo, "Can't delete node.");
                 return;
             }
         }
         else
         {
-            qCDebug(vUndo)<<"Can't get node by id = "<<nodeId<<".";
+            qCDebug(vUndo, "Can't get node by id = %u.", nodeId);
             return;
         }
     }
     else
     {
-        qCDebug(vUndo)<<"Can't find tag"<<VPattern::TagModeling<<".";
+        qCDebug(vUndo, "Can't find tag %s.", VPattern::TagModeling.toUtf8().constData());
         return;
     }
 }
@@ -74,7 +74,7 @@ void AddDetNode::undo()
 //---------------------------------------------------------------------------------------------------------------------
 void AddDetNode::redo()
 {
-    qCDebug(vUndo)<<"Redo.";
+    qCDebug(vUndo, "Redo.");
 
     QDomElement modelingElement;
     if (doc->GetActivNodeElement(VPattern::TagModeling, modelingElement))
@@ -83,7 +83,7 @@ void AddDetNode::redo()
     }
     else
     {
-        qCDebug(vUndo)<<"Can't find tag"<<VPattern::TagModeling<<".";
+        qCDebug(vUndo, "Can't find tag %s.", VPattern::TagModeling.toUtf8().constData());
         return;
     }
 }
diff --git a/src/app/undocommands/addpatternpiece.cpp b/src/app/undocommands/addpatternpiece.cpp
index 760487ce7..04c88df46 100644
--- a/src/app/undocommands/addpatternpiece.cpp
+++ b/src/app/undocommands/addpatternpiece.cpp
@@ -46,7 +46,7 @@ AddPatternPiece::~AddPatternPiece()
 //---------------------------------------------------------------------------------------------------------------------
 void AddPatternPiece::undo()
 {
-    qCDebug(vUndo)<<"Undo.";
+    qCDebug(vUndo, "Undo.");
 
     if (doc->CountPP() <= 1)
     {
@@ -64,7 +64,7 @@ void AddPatternPiece::undo()
 //---------------------------------------------------------------------------------------------------------------------
 void AddPatternPiece::redo()
 {
-    qCDebug(vUndo)<<"Redo.";
+    qCDebug(vUndo, "Redo.");
 
     if (doc->CountPP() == 0 && mPath.isEmpty() == false)
     {
diff --git a/src/app/undocommands/addtocalc.cpp b/src/app/undocommands/addtocalc.cpp
index 47c35915f..276973914 100644
--- a/src/app/undocommands/addtocalc.cpp
+++ b/src/app/undocommands/addtocalc.cpp
@@ -48,7 +48,7 @@ AddToCalc::~AddToCalc()
 //---------------------------------------------------------------------------------------------------------------------
 void AddToCalc::undo()
 {
-    qCDebug(vUndo)<<"Undo.";
+    qCDebug(vUndo, "Undo.");
 
     doc->ChangeActivPP(nameActivDraw);//Without this user will not see this change
     doc->setCursor(cursor);
@@ -61,19 +61,19 @@ void AddToCalc::undo()
         {
             if (calcElement.removeChild(domElement).isNull())
             {
-                qCDebug(vUndo)<<"Can't delete node.";
+                qCDebug(vUndo, "Can't delete node.");
                 return;
             }
         }
         else
         {
-            qCDebug(vUndo)<<"Can't get tool by id = "<<nodeId<<".";
+            qCDebug(vUndo, "Can't get tool by id = %u.", nodeId);
             return;
         }
     }
     else
     {
-        qCDebug(vUndo)<<"Can't find tag Calculation.";
+        qCDebug(vUndo, "Can't find tag Calculation.");
         return;
     }
     if (cursor > 0)
@@ -88,7 +88,7 @@ void AddToCalc::undo()
 //---------------------------------------------------------------------------------------------------------------------
 void AddToCalc::redo()
 {
-    qCDebug(vUndo)<<"Redo.";
+    qCDebug(vUndo, "Redo.");
 
     doc->ChangeActivPP(nameActivDraw);//Without this user will not see this change
     doc->setCursor(cursor);
@@ -110,14 +110,14 @@ void AddToCalc::redo()
             }
             else
             {
-                qCDebug(vUndo)<<"Can not find the element after which you want to insert.";
+                qCDebug(vUndo, "Can not find the element after which you want to insert.");
                 return;
             }
         }
     }
     else
     {
-        qCDebug(vUndo)<<"Can't find tag Calculation.";
+        qCDebug(vUndo, "Can't find tag Calculation.");
         return;
     }
     RedoFullParsing();
diff --git a/src/app/undocommands/adduniondetails.cpp b/src/app/undocommands/adduniondetails.cpp
index bb58b6213..f04f1cce8 100644
--- a/src/app/undocommands/adduniondetails.cpp
+++ b/src/app/undocommands/adduniondetails.cpp
@@ -44,7 +44,7 @@ AddUnionDetails::~AddUnionDetails()
 //---------------------------------------------------------------------------------------------------------------------
 void AddUnionDetails::undo()
 {
-    qCDebug(vUndo)<<"Undo.";
+    qCDebug(vUndo, "Undo.");
 
     QDomElement modelingElement;
     if (doc->GetActivNodeElement(VPattern::TagModeling, modelingElement))
@@ -54,19 +54,19 @@ void AddUnionDetails::undo()
         {
             if (modelingElement.removeChild(domElement).isNull())
             {
-                qCDebug(vUndo)<<"Can't delete node.";
+                qCDebug(vUndo, "Can't delete node.");
                 return;
             }
         }
         else
         {
-            qCDebug(vUndo)<<"Can't get node by id = "<<nodeId<<".";
+            qCDebug(vUndo, "Can't get node by id = %u.", nodeId);
             return;
         }
     }
     else
     {
-        qCDebug(vUndo)<<"Can't find tag"<<VPattern::TagModeling<<".";
+        qCDebug(vUndo, "Can't find tag %s.", VPattern::TagModeling.toUtf8().constData());
         return;
     }
     emit NeedFullParsing();
@@ -75,7 +75,7 @@ void AddUnionDetails::undo()
 //---------------------------------------------------------------------------------------------------------------------
 void AddUnionDetails::redo()
 {
-    qCDebug(vUndo)<<"Redo.";
+    qCDebug(vUndo, "Redo.");
 
     QDomElement modelingElement;
     if (doc->GetActivNodeElement(VPattern::TagModeling, modelingElement))
@@ -84,7 +84,7 @@ void AddUnionDetails::redo()
     }
     else
     {
-        qCDebug(vUndo)<<"Can't find tag"<<VPattern::TagModeling<<".";
+        qCDebug(vUndo, "Can't find tag %s.", VPattern::TagModeling.toUtf8().constData());
         return;
     }
     RedoFullParsing();
diff --git a/src/app/undocommands/deletedetail.cpp b/src/app/undocommands/deletedetail.cpp
index f07c27479..eeff845de 100644
--- a/src/app/undocommands/deletedetail.cpp
+++ b/src/app/undocommands/deletedetail.cpp
@@ -54,7 +54,7 @@ DeleteDetail::DeleteDetail(VPattern *doc, quint32 id, QUndoCommand *parent)
     }
     else
     {
-        qCDebug(vUndo)<<"Can't get detail by id ="<<nodeId<<".";
+        qCDebug(vUndo, "Can't get detail by id = %u.", nodeId);
         return;
     }
 }
@@ -66,7 +66,7 @@ DeleteDetail::~DeleteDetail()
 //---------------------------------------------------------------------------------------------------------------------
 void DeleteDetail::undo()
 {
-    qCDebug(vUndo)<<"Undo.";
+    qCDebug(vUndo, "Undo.");
 
     UndoDeleteAfterSibling(parentNode, siblingId);
     emit NeedFullParsing();
@@ -75,7 +75,7 @@ void DeleteDetail::undo()
 //---------------------------------------------------------------------------------------------------------------------
 void DeleteDetail::redo()
 {
-    qCDebug(vUndo)<<"Redo.";
+    qCDebug(vUndo, "Redo.");
 
     QDomElement domElement = doc->elementById(nodeId);
     if (domElement.isElement())
@@ -94,7 +94,7 @@ void DeleteDetail::redo()
     }
     else
     {
-        qCDebug(vUndo)<<"Can't get detail by id = "<<nodeId<<".";
+        qCDebug(vUndo, "Can't get detail by id = %u.", nodeId);
         return;
     }
 }
diff --git a/src/app/undocommands/deletepatternpiece.cpp b/src/app/undocommands/deletepatternpiece.cpp
index e3c3630f8..eb14c56b1 100644
--- a/src/app/undocommands/deletepatternpiece.cpp
+++ b/src/app/undocommands/deletepatternpiece.cpp
@@ -51,7 +51,7 @@ DeletePatternPiece::~DeletePatternPiece()
 //---------------------------------------------------------------------------------------------------------------------
 void DeletePatternPiece::undo()
 {
-    qCDebug(vUndo)<<"Undo.";
+    qCDebug(vUndo, "Undo.");
 
     QDomElement rootElement = doc->documentElement();
     QDomNode previousPP = doc->GetPPElement(previousPPName);
@@ -64,7 +64,7 @@ void DeletePatternPiece::undo()
 //---------------------------------------------------------------------------------------------------------------------
 void DeletePatternPiece::redo()
 {
-    qCDebug(vUndo)<<"Redo.";
+    qCDebug(vUndo, "Redo.");
 
     QDomElement rootElement = doc->documentElement();
     QDomElement patternPiece = doc->GetPPElement(namePP);
diff --git a/src/app/undocommands/deltool.cpp b/src/app/undocommands/deltool.cpp
index 1aff2a436..3d9455b9b 100644
--- a/src/app/undocommands/deltool.cpp
+++ b/src/app/undocommands/deltool.cpp
@@ -50,7 +50,7 @@ DelTool::~DelTool()
 //---------------------------------------------------------------------------------------------------------------------
 void DelTool::undo()
 {
-    qCDebug(vUndo)<<"Undo.";
+    qCDebug(vUndo, "Undo.");
 
     UndoDeleteAfterSibling(parentNode, siblingId);
     emit NeedFullParsing();
@@ -61,7 +61,7 @@ void DelTool::undo()
 //---------------------------------------------------------------------------------------------------------------------
 void DelTool::redo()
 {
-    qCDebug(vUndo)<<"Redo.";
+    qCDebug(vUndo, "Redo.");
 
     //Keep first!
     doc->SetCurrentPP(nameActivDraw);//Without this user will not see this change
diff --git a/src/app/undocommands/movedetail.cpp b/src/app/undocommands/movedetail.cpp
index ba847af69..5de78f1a1 100644
--- a/src/app/undocommands/movedetail.cpp
+++ b/src/app/undocommands/movedetail.cpp
@@ -50,7 +50,7 @@ MoveDetail::MoveDetail(VPattern *doc, const double &x, const double &y, const qu
     }
     else
     {
-        qCDebug(vUndo)<<"Can't find detail with id ="<<nodeId<<".";
+        qCDebug(vUndo, "Can't find detail with id = %u.", nodeId);
         return;
     }
 }
@@ -62,7 +62,7 @@ MoveDetail::~MoveDetail()
 //---------------------------------------------------------------------------------------------------------------------
 void MoveDetail::undo()
 {
-    qCDebug(vUndo)<<"Undo.";
+    qCDebug(vUndo, "Undo.");
 
     QDomElement domElement = doc->elementById(nodeId);
     if (domElement.isElement())
@@ -76,7 +76,7 @@ void MoveDetail::undo()
     }
     else
     {
-        qCDebug(vUndo)<<"Can't find detail with id ="<<nodeId<<".";
+        qCDebug(vUndo, "Can't find detail with id = %u.", nodeId);
         return;
     }
 }
@@ -84,7 +84,7 @@ void MoveDetail::undo()
 //---------------------------------------------------------------------------------------------------------------------
 void MoveDetail::redo()
 {
-    qCDebug(vUndo)<<"Redo.";
+    qCDebug(vUndo, "Redo.");
 
     QDomElement domElement = doc->elementById(nodeId);
     if (domElement.isElement())
@@ -102,7 +102,7 @@ void MoveDetail::redo()
     }
     else
     {
-        qCDebug(vUndo)<<"Can't find detail with id ="<<nodeId<<".";
+        qCDebug(vUndo, "Can't find detail with id = %u.", nodeId);
         return;
     }
 }
diff --git a/src/app/undocommands/movelabel.cpp b/src/app/undocommands/movelabel.cpp
index 92502e0bb..cd5fe506a 100644
--- a/src/app/undocommands/movelabel.cpp
+++ b/src/app/undocommands/movelabel.cpp
@@ -40,10 +40,10 @@ MoveLabel::MoveLabel(VPattern *doc, const double &x, const double &y, const quin
 {
     setText(tr("Move point label"));
     nodeId = id;
-    qCDebug(vUndo)<<"Point id"<<nodeId;
+    qCDebug(vUndo, "Point id %u", nodeId);
 
-    qCDebug(vUndo)<<"Label new Mx"<<newMx;
-    qCDebug(vUndo)<<"Label new My"<<newMy;
+    qCDebug(vUndo, "Label new Mx %f", newMx);
+    qCDebug(vUndo, "Label new My %f", newMy);
 
     SCASSERT(scene != nullptr);
     QDomElement domElement = doc->elementById(id);
@@ -52,12 +52,12 @@ MoveLabel::MoveLabel(VPattern *doc, const double &x, const double &y, const quin
         oldMx = qApp->toPixel(doc->GetParametrDouble(domElement, VAbstractTool::AttrMx, "0.0"));
         oldMy = qApp->toPixel(doc->GetParametrDouble(domElement, VAbstractTool::AttrMy, "0.0"));
 
-        qCDebug(vUndo)<<"Label old Mx"<<oldMx;
-        qCDebug(vUndo)<<"Label old My"<<oldMy;
+        qCDebug(vUndo, "Label old Mx %f", oldMx);
+        qCDebug(vUndo, "Label old My %f", oldMy);
     }
     else
     {
-        qCDebug(vUndo)<<"Can't find point with id ="<<nodeId<<".";
+        qCDebug(vUndo, "Can't find point with id = %u.", nodeId);
         return;
     }
 }
@@ -69,7 +69,7 @@ MoveLabel::~MoveLabel()
 //---------------------------------------------------------------------------------------------------------------------
 void MoveLabel::undo()
 {
-    qCDebug(vUndo)<<"Undo.";
+    qCDebug(vUndo, "Undo.");
 
     Do(oldMx, oldMy);
 }
@@ -77,7 +77,7 @@ void MoveLabel::undo()
 //---------------------------------------------------------------------------------------------------------------------
 void MoveLabel::redo()
 {
-    qCDebug(vUndo)<<"Redo.";
+    qCDebug(vUndo, "Redo.");
 
     Do(newMx, newMy);
 }
@@ -94,11 +94,11 @@ bool MoveLabel::mergeWith(const QUndoCommand *command)
         return false;
     }
 
-    qCDebug(vUndo)<<"Mergin undo.";
+    qCDebug(vUndo, "Mergin undo.");
     newMx = moveCommand->getNewMx();
     newMy = moveCommand->getNewMy();
-    qCDebug(vUndo)<<"Label new Mx"<<newMx;
-    qCDebug(vUndo)<<"Label new My"<<newMy;
+    qCDebug(vUndo, "Label new Mx %f", newMx);
+    qCDebug(vUndo, "Label new My %f", newMy);
     return true;
 }
 
@@ -111,8 +111,8 @@ int MoveLabel::id() const
 //---------------------------------------------------------------------------------------------------------------------
 void MoveLabel::Do(double mx, double my)
 {
-    qCDebug(vUndo)<<"New mx"<<mx;
-    qCDebug(vUndo)<<"New my"<<my;
+    qCDebug(vUndo, "New mx %f", mx);
+    qCDebug(vUndo, "New my %f", my);
 
     QDomElement domElement = doc->elementById(nodeId);
     if (domElement.isElement())
@@ -127,7 +127,7 @@ void MoveLabel::Do(double mx, double my)
     }
     else
     {
-        qCDebug(vUndo)<<"Can't find point with id ="<<nodeId<<".";
+        qCDebug(vUndo, "Can't find point with id = %u.", nodeId);
         return;
     }
 }
diff --git a/src/app/undocommands/movespline.cpp b/src/app/undocommands/movespline.cpp
index 00cc65698..ea16904c5 100644
--- a/src/app/undocommands/movespline.cpp
+++ b/src/app/undocommands/movespline.cpp
@@ -50,7 +50,7 @@ MoveSpline::~MoveSpline()
 //---------------------------------------------------------------------------------------------------------------------
 void MoveSpline::undo()
 {
-    qCDebug(vUndo)<<"Undo.";
+    qCDebug(vUndo, "Undo.");
 
     Do(oldSpline);
 }
@@ -58,7 +58,7 @@ void MoveSpline::undo()
 //---------------------------------------------------------------------------------------------------------------------
 void MoveSpline::redo()
 {
-    qCDebug(vUndo)<<"Redo.";
+    qCDebug(vUndo, "Redo.");
 
     Do(newSpline);
 }
@@ -104,7 +104,7 @@ void MoveSpline::Do(const VSpline &spl)
     }
     else
     {
-        qCDebug(vUndo)<<"Can't find spline with id ="<<nodeId<<".";
+        qCDebug(vUndo, "Can't find spline with id = %u.", nodeId);
         return;
     }
 }
diff --git a/src/app/undocommands/movesplinepath.cpp b/src/app/undocommands/movesplinepath.cpp
index 43e7b63a0..ba7526fa9 100644
--- a/src/app/undocommands/movesplinepath.cpp
+++ b/src/app/undocommands/movesplinepath.cpp
@@ -48,7 +48,7 @@ MoveSplinePath::~MoveSplinePath()
 //---------------------------------------------------------------------------------------------------------------------
 void MoveSplinePath::undo()
 {
-    qCDebug(vUndo)<<"Undo.";
+    qCDebug(vUndo, "Undo.");
 
     Do(oldSplinePath);
 }
@@ -56,7 +56,7 @@ void MoveSplinePath::undo()
 //---------------------------------------------------------------------------------------------------------------------
 void MoveSplinePath::redo()
 {
-    qCDebug(vUndo)<<"Redo.";
+    qCDebug(vUndo, "Redo.");
 
     Do(newSplinePath);
 }
@@ -99,7 +99,7 @@ void MoveSplinePath::Do(const VSplinePath &splPath)
     }
     else
     {
-        qCDebug(vUndo)<<"Can't find spline path with id ="<<nodeId<<".";
+        qCDebug(vUndo, "Can't find spline path with id = %u.", nodeId);
         return;
     }
 }
diff --git a/src/app/undocommands/movespoint.cpp b/src/app/undocommands/movespoint.cpp
index 36764e802..1ea27044b 100644
--- a/src/app/undocommands/movespoint.cpp
+++ b/src/app/undocommands/movespoint.cpp
@@ -40,10 +40,10 @@ MoveSPoint::MoveSPoint(VPattern *doc, const double &x, const double &y, const qu
 {
     setText(tr("Move single point"));
     nodeId = id;
-    qCDebug(vUndo)<<"SPoint id"<<nodeId;
+    qCDebug(vUndo, "SPoint id %u", nodeId);
 
-    qCDebug(vUndo)<<"SPoint newX"<<newX;
-    qCDebug(vUndo)<<"SPoint newY"<<newY;
+    qCDebug(vUndo, "SPoint newX %f", newX);
+    qCDebug(vUndo, "SPoint newY %f", newY);
 
     SCASSERT(scene != nullptr);
     QDomElement domElement = doc->elementById(id);
@@ -52,12 +52,12 @@ MoveSPoint::MoveSPoint(VPattern *doc, const double &x, const double &y, const qu
         oldX = qApp->toPixel(doc->GetParametrDouble(domElement, VAbstractTool::AttrX, "0.0"));
         oldY = qApp->toPixel(doc->GetParametrDouble(domElement, VAbstractTool::AttrY, "0.0"));
 
-        qCDebug(vUndo)<<"SPoint oldX"<<oldX;
-        qCDebug(vUndo)<<"SPoint oldY"<<oldY;
+        qCDebug(vUndo, "SPoint oldX %f", oldX);
+        qCDebug(vUndo, "SPoint oldY %f", oldY);
     }
     else
     {
-        qCDebug(vUndo)<<"Can't find spoint with id ="<<nodeId<<".";
+        qCDebug(vUndo, "Can't find spoint with id = %u.", nodeId);
         return;
     }
 }
@@ -69,7 +69,7 @@ MoveSPoint::~MoveSPoint()
 //---------------------------------------------------------------------------------------------------------------------
 void MoveSPoint::undo()
 {
-    qCDebug(vUndo)<<"Undo.";
+    qCDebug(vUndo, "Undo.");
 
     Do(oldX, oldY);
 }
@@ -77,7 +77,7 @@ void MoveSPoint::undo()
 //---------------------------------------------------------------------------------------------------------------------
 void MoveSPoint::redo()
 {
-    qCDebug(vUndo)<<"Redo.";
+    qCDebug(vUndo, "Redo.");
 
     Do(newX, newY);
 }
@@ -89,18 +89,18 @@ bool MoveSPoint::mergeWith(const QUndoCommand *command)
     SCASSERT(moveCommand != nullptr);
     const quint32 id = moveCommand->getSPointId();
 
-    qCDebug(vUndo)<<"Mergin.";
+    qCDebug(vUndo, "Mergin.");
     if (id != nodeId)
     {
-        qCDebug(vUndo)<<"Merging canceled.";
+        qCDebug(vUndo, "Merging canceled.");
         return false;
     }
 
-    qCDebug(vUndo)<<"Mergin undo.";
+    qCDebug(vUndo, "Mergin undo.");
     newX = moveCommand->getNewX();
     newY = moveCommand->getNewY();
-    qCDebug(vUndo)<<"SPoint newX"<<newX;
-    qCDebug(vUndo)<<"SPoint newY"<<newY;
+    qCDebug(vUndo, "SPoint newX %f", newX);
+    qCDebug(vUndo, "SPoint newY %f", newY);
     return true;
 }
 
@@ -113,8 +113,8 @@ int MoveSPoint::id() const
 //---------------------------------------------------------------------------------------------------------------------
 void MoveSPoint::Do(double x, double y)
 {
-    qCDebug(vUndo)<<"Move to x"<<x;
-    qCDebug(vUndo)<<"Move to y"<<y;
+    qCDebug(vUndo, "Move to x %f", x);
+    qCDebug(vUndo, "Move to y %f", y);
 
     QDomElement domElement = doc->elementById(nodeId);
     if (domElement.isElement())
@@ -129,7 +129,7 @@ void MoveSPoint::Do(double x, double y)
     }
     else
     {
-        qCDebug(vUndo)<<"Can't find spoint with id ="<<nodeId<<".";
+        qCDebug(vUndo, "Can't find spoint with id = %u.", nodeId);
         return;
     }
 }
diff --git a/src/app/undocommands/renamepp.cpp b/src/app/undocommands/renamepp.cpp
index 8520652d9..f80c39d0e 100644
--- a/src/app/undocommands/renamepp.cpp
+++ b/src/app/undocommands/renamepp.cpp
@@ -48,7 +48,7 @@ RenamePP::~RenamePP()
 //---------------------------------------------------------------------------------------------------------------------
 void RenamePP::undo()
 {
-    qCDebug(vUndo)<<"Undo.";
+    qCDebug(vUndo, "Undo.");
 
     ChangeName(newPPname, oldPPname);
 }
@@ -56,7 +56,7 @@ void RenamePP::undo()
 //---------------------------------------------------------------------------------------------------------------------
 void RenamePP::redo()
 {
-    qCDebug(vUndo)<<"Redo.";
+    qCDebug(vUndo, "Redo.");
 
     ChangeName(oldPPname, newPPname);
 }
@@ -92,6 +92,6 @@ void RenamePP::ChangeName(const QString &oldName, const QString &newName)
     }
     else
     {
-        qCWarning(vUndo)<<"Can't change pattern piece name";
+        qCWarning(vUndo, "Can't change pattern piece name");
     }
 }
diff --git a/src/app/undocommands/savedetailoptions.cpp b/src/app/undocommands/savedetailoptions.cpp
index dee20ce26..475a38a69 100644
--- a/src/app/undocommands/savedetailoptions.cpp
+++ b/src/app/undocommands/savedetailoptions.cpp
@@ -46,7 +46,7 @@ SaveDetailOptions::~SaveDetailOptions()
 //---------------------------------------------------------------------------------------------------------------------
 void SaveDetailOptions::undo()
 {
-    qCDebug(vUndo)<<"Undo.";
+    qCDebug(vUndo, "Undo.");
 
     QDomElement domElement = doc->elementById(nodeId);
     if (domElement.isElement())
@@ -75,7 +75,7 @@ void SaveDetailOptions::undo()
     }
     else
     {
-        qCDebug(vUndo)<<"Can't find detail with id ="<<nodeId<<".";
+        qCDebug(vUndo, "Can't find detail with id = %u.", nodeId);
         return;
     }
 }
@@ -83,7 +83,7 @@ void SaveDetailOptions::undo()
 //---------------------------------------------------------------------------------------------------------------------
 void SaveDetailOptions::redo()
 {
-    qCDebug(vUndo)<<"Redo.";
+    qCDebug(vUndo, "Redo.");
 
     QDomElement domElement = doc->elementById(nodeId);
     if (domElement.isElement())
@@ -112,7 +112,7 @@ void SaveDetailOptions::redo()
     }
     else
     {
-        qCDebug(vUndo)<<"Can't find detail with id ="<<nodeId<<".";
+        qCDebug(vUndo, "Can't find detail with id = %u.", nodeId);
         return;
     }
 }
diff --git a/src/app/undocommands/savetooloptions.cpp b/src/app/undocommands/savetooloptions.cpp
index ce176ecdf..9db984d78 100644
--- a/src/app/undocommands/savetooloptions.cpp
+++ b/src/app/undocommands/savetooloptions.cpp
@@ -46,7 +46,7 @@ SaveToolOptions::~SaveToolOptions()
 //---------------------------------------------------------------------------------------------------------------------
 void SaveToolOptions::undo()
 {
-    qCDebug(vUndo)<<"Undo.";
+    qCDebug(vUndo, "Undo.");
 
     QDomElement domElement = doc->elementById(nodeId);
     if (domElement.isElement())
@@ -57,7 +57,7 @@ void SaveToolOptions::undo()
     }
     else
     {
-        qCDebug(vUndo)<<"Can't find tool with id ="<<nodeId<<".";
+        qCDebug(vUndo, "Can't find tool with id = %u.", nodeId);
         return;
     }
 }
@@ -65,7 +65,7 @@ void SaveToolOptions::undo()
 //---------------------------------------------------------------------------------------------------------------------
 void SaveToolOptions::redo()
 {
-    qCDebug(vUndo)<<"Redo.";
+    qCDebug(vUndo, "Redo.");
 
     QDomElement domElement = doc->elementById(nodeId);
     if (domElement.isElement())
@@ -76,7 +76,7 @@ void SaveToolOptions::redo()
     }
     else
     {
-        qCDebug(vUndo)<<"Can't find tool with id ="<<nodeId<<".";
+        qCDebug(vUndo, "Can't find tool with id = %u.", nodeId);
         return;
     }
 }
diff --git a/src/app/xml/vpattern.cpp b/src/app/xml/vpattern.cpp
index 632f6bb69..04c1c6a7b 100644
--- a/src/app/xml/vpattern.cpp
+++ b/src/app/xml/vpattern.cpp
@@ -300,17 +300,17 @@ bool VPattern::ChangeNamePP(const QString& oldName, const QString &newName)
  */
 void VPattern::Parse(const Document &parse)
 {
-    qCDebug(vXML)<<"Parsing pattern.";
+    qCDebug(vXML, "Parsing pattern.");
     switch (parse)
     {
         case Document::FullParse:
-            qCDebug(vXML)<<"Full parse.";
+            qCDebug(vXML, "Full parse.");
             break;
         case Document::LiteParse:
-            qCDebug(vXML)<<"Lite parse.";
+            qCDebug(vXML, "Lite parse.");
             break;
         case Document::LitePPParse:
-            qCDebug(vXML)<<"Lite pattern piece parse.";
+            qCDebug(vXML, "Lite pattern piece parse.");
             break;
         default:
             break;
@@ -332,7 +332,7 @@ void VPattern::Parse(const Document &parse)
                 switch (tags.indexOf(domElement.tagName()))
                 {
                     case 0: // TagDraw
-                        qCDebug(vXML)<<"Tag draw.";
+                        qCDebug(vXML, "Tag draw.");
                         if (parse == Document::FullParse)
                         {
                             if (nameActivPP.isEmpty())
@@ -352,29 +352,29 @@ void VPattern::Parse(const Document &parse)
                         ParseDrawElement(domElement, parse);
                         break;
                     case 1: // TagIncrements
-                        qCDebug(vXML)<<"Tag increments.";
+                        qCDebug(vXML, "Tag increments.");
                         ParseIncrementsElement(domElement);
                         break;
                     case 2: // TagAuthor
-                        qCDebug(vXML)<<"Tag author.";
+                        qCDebug(vXML, "Tag author.");
                         break;
                     case 3: // TagDescription
-                        qCDebug(vXML)<<"Tag description.";
+                        qCDebug(vXML, "Tag description.");
                         break;
                     case 4: // TagNotes
-                        qCDebug(vXML)<<"Tag notes.";
+                        qCDebug(vXML, "Tag notes.");
                         break;
                     case 5: // TagMeasurements
-                        qCDebug(vXML)<<"Tag measurements.";
+                        qCDebug(vXML, "Tag measurements.");
                         break;
                     case 6: // TagVersion
-                        qCDebug(vXML)<<"Tag version.";
+                        qCDebug(vXML, "Tag version.");
                         break;
                     case 7: // TagGradation
-                        qCDebug(vXML)<<"Tag gradation.";
+                        qCDebug(vXML, "Tag gradation.");
                         break;
                     default:
-                        qCDebug(vXML)<<"Wrong tag name"<<domElement.tagName();
+                        qCDebug(vXML, "Wrong tag name %s", domElement.tagName().toUtf8().constData());
                         break;
                 }
             }
@@ -433,14 +433,14 @@ void VPattern::setCurrentData()
     {
         if (CountPP() > 1)//don't need upadate data if we have only one pattern piece
         {
-            qCDebug(vXML)<<"Setting current data";
-            qCDebug(vXML)<<"Current PP name"<<nameActivPP;
-            qCDebug(vXML)<<"PP count"<<CountPP();
+            qCDebug(vXML, "Setting current data");
+            qCDebug(vXML, "Current PP name %s", nameActivPP.toUtf8().constData());
+            qCDebug(vXML, "PP count %d", CountPP());
 
             quint32 id = 0;
             if (history.size() == 0)
             {
-                qCDebug(vXML)<<"History is empty!";
+                qCDebug(vXML, "History is empty!");
                 return;
             }
             for (qint32 i = 0; i < history.size(); ++i)
@@ -451,17 +451,18 @@ void VPattern::setCurrentData()
                     id = tool.getId();
                 }
             }
-            qCDebug(vXML)<<"Resoring data from tool with id"<<id;
+            qCDebug(vXML, "Resoring data from tool with id %u", id);
             if (id == NULL_ID)
             {
-                qCDebug(vXML)<<"Could not find record for this current pattern piece"<<nameActivPP;
+                qCDebug(vXML, "Could not find record for this current pattern piece %s",
+                        nameActivPP.toUtf8().constData());
 
                 const VToolRecord tool = history.at(history.size()-1);
                 id = tool.getId();
-                qCDebug(vXML)<<"Taking record with id"<<id<<"from PP"<<tool.getNameDraw();
+                qCDebug(vXML, "Taking record with id %u from PP %s", id, tool.getNameDraw().toUtf8().constData());
                 if (id == NULL_ID)
                 {
-                    qCDebug(vXML)<<"Bad id for last record in history.";
+                    qCDebug(vXML, "Bad id for last record in history.");
                     return;
                 }
             }
@@ -474,17 +475,17 @@ void VPattern::setCurrentData()
                 catch (VExceptionBadId &e)
                 {
                     Q_UNUSED(e)
-                    qCDebug(vXML)<<"List of tools doesn't containe id="<<id;
+                    qCDebug(vXML, "List of tools doesn't containe id= %u", id);
                     return;
                 }
 
                 const VDataTool *vTool = tools.value(id);
                 *data = vTool->getData();
-                qCDebug(vXML)<<"Data successfully updated.";
+                qCDebug(vXML, "Data successfully updated.");
             }
             else
             {
-                qCDebug(vXML)<<"List of tools is empty!";
+                qCDebug(vXML, "List of tools is empty!");
             }
         }
     }
@@ -776,7 +777,7 @@ void VPattern::LiteParseTree(const Document &parse)
                 Parse(parse);
                 break;
             case Document::FullParse:
-                qCWarning(vXML)<<"Lite parsing doesn't support full parsing";
+                qCWarning(vXML, "Lite parsing doesn't support full parsing");
                 break;
             default:
                 break;
@@ -836,13 +837,13 @@ void VPattern::LiteParseTree(const Document &parse)
 
     // Restore name current pattern piece
     nameActivPP = namePP;
-    qCDebug(vXML)<<"Current pattern piece"<<nameActivPP;
+    qCDebug(vXML, "Current pattern piece %s", nameActivPP.toUtf8().constData());
     setCurrentData();
     emit FullUpdateFromFile();
     // Recalculate scene rect
     VAbstractTool::NewSceneRect(sceneDraw, qApp->getSceneView());
     VAbstractTool::NewSceneRect(sceneDetail, qApp->getSceneView());
-    qCDebug(vXML)<<"Scene size updated.";
+    qCDebug(vXML, "Scene size updated.");
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -906,20 +907,20 @@ void VPattern::ParseDrawElement(const QDomNode &node, const Document &parse)
                 switch (tags.indexOf(domElement.tagName()))
                 {
                     case 0: // TagCalculation
-                        qCDebug(vXML)<<"Tag calculation.";
+                        qCDebug(vXML, "Tag calculation.");
                         data->ClearCalculationGObjects();
                         ParseDrawMode(domElement, parse, Draw::Calculation);
                         break;
                     case 1: // TagModeling
-                        qCDebug(vXML)<<"Tag modeling.";
+                        qCDebug(vXML, "Tag modeling.");
                         ParseDrawMode(domElement, parse, Draw::Modeling);
                         break;
                     case 2: // TagDetails
-                        qCDebug(vXML)<<"Tag details.";
+                        qCDebug(vXML, "Tag details.");
                         ParseDetails(domElement, parse);
                         break;
                     default:
-                        qCDebug(vXML)<<"Wrong tag name";
+                        qCDebug(vXML, "Wrong tag name");
                         break;
                 }
             }
@@ -959,27 +960,27 @@ void VPattern::ParseDrawMode(const QDomNode &node, const Document &parse, const
             switch (tags.indexOf(domElement.tagName()))
             {
                 case 0: // TagPoint
-                    qCDebug(vXML)<<"Tag point.";
+                    qCDebug(vXML, "Tag point.");
                     ParsePointElement(scene, domElement, parse, domElement.attribute(AttrType, ""));
                     break;
                 case 1: // TagLine
-                    qCDebug(vXML)<<"Tag line.";
+                    qCDebug(vXML, "Tag line.");
                     ParseLineElement(scene, domElement, parse);
                     break;
                 case 2: // TagSpline
-                    qCDebug(vXML)<<"Tag spline.";
+                    qCDebug(vXML, "Tag spline.");
                     ParseSplineElement(scene, domElement, parse, domElement.attribute(AttrType, ""));
                     break;
                 case 3: // TagArc
-                    qCDebug(vXML)<<"Tag arc.";
+                    qCDebug(vXML, "Tag arc.");
                     ParseArcElement(scene, domElement, parse, domElement.attribute(AttrType, ""));
                     break;
                 case 4: // TagTools
-                    qCDebug(vXML)<<"Tag tools.";
+                    qCDebug(vXML, "Tag tools.");
                     ParseToolsElement(scene, domElement, parse, domElement.attribute(AttrType, ""));
                     break;
                 default:
-                    qCDebug(vXML)<<"Wrong tag name";
+                    qCDebug(vXML, "Wrong tag name");
                     break;
             }
         }
@@ -1856,7 +1857,7 @@ void VPattern::ParseSplineElement(VMainGraphicsScene *scene, const QDomElement &
     switch (splines.indexOf(type))
     {
         case 0: //VToolSpline::ToolType
-            qCDebug(vXML)<<"VToolSpline.";
+            qCDebug(vXML, "VToolSpline.");
             try
             {
                 ToolsCommonAttributes(domElement, id);
@@ -1881,7 +1882,7 @@ void VPattern::ParseSplineElement(VMainGraphicsScene *scene, const QDomElement &
             }
             break;
         case 1: //VToolSplinePath::ToolType
-            qCDebug(vXML)<<"VToolSplinePath.";
+            qCDebug(vXML, "VToolSplinePath.");
             try
             {
                 ToolsCommonAttributes(domElement, id);
@@ -1928,7 +1929,7 @@ void VPattern::ParseSplineElement(VMainGraphicsScene *scene, const QDomElement &
             }
             break;
         case 2: //VNodeSpline::ToolType
-            qCDebug(vXML)<<"VNodeSpline.";
+            qCDebug(vXML, "VNodeSpline.");
             try
             {
                 SplinesCommonAttributes(domElement, id, idObject, idTool);
@@ -1946,7 +1947,7 @@ void VPattern::ParseSplineElement(VMainGraphicsScene *scene, const QDomElement &
             }
             break;
         case 3: //VNodeSplinePath::ToolType
-            qCDebug(vXML)<<"VNodeSplinePath.";
+            qCDebug(vXML, "VNodeSplinePath.");
             try
             {
                 SplinesCommonAttributes(domElement, id, idObject, idTool);
@@ -1964,7 +1965,7 @@ void VPattern::ParseSplineElement(VMainGraphicsScene *scene, const QDomElement &
             }
             break;
         default:
-            qCDebug(vXML) << "Illegal spline type in VDomDocument::ParseSplineElement().";
+            qCDebug(vXML, "Illegal spline type in VDomDocument::ParseSplineElement().");
             break;
     }
 }
@@ -2487,7 +2488,7 @@ QString VPattern::GenerateLabel(const LabelType &type) const
             }
             ++i;
         }
-        qCDebug(vXML)<<"Point label:"<<name;
+        qCDebug(vXML, "Point label: %s", name.toUtf8().constData());
         return name;
     }
     else if (type == LabelType::NewLabel)
@@ -2495,7 +2496,7 @@ QString VPattern::GenerateLabel(const LabelType &type) const
         if (drawList.isEmpty())
         {
             const QString label = GetLabelBase(0);
-            qCDebug(vXML)<<"Point label:"<<label;
+            qCDebug(vXML, "Point label: %s", label.toUtf8().constData());
             return label;
         }
 
@@ -2523,10 +2524,10 @@ QString VPattern::GenerateLabel(const LabelType &type) const
                 break;
             }
         } while (data->IsUnique(name) == false);
-        qCDebug(vXML)<<"Point label:"<<name;
+        qCDebug(vXML, "Point label: %s", name.toUtf8().constData());
         return name;
     }
-    qCDebug(vXML)<<"Got unknow type"<<static_cast<char>(type);
+    qCDebug(vXML, "Got unknow type %d", static_cast<int>(type));
     return QString();
 }
 
diff --git a/src/libs/ifc/exception/vexception.cpp b/src/libs/ifc/exception/vexception.cpp
index ba78fb87b..94dab8cfe 100644
--- a/src/libs/ifc/exception/vexception.cpp
+++ b/src/libs/ifc/exception/vexception.cpp
@@ -103,7 +103,8 @@ void VException::CriticalMessageBox(const QString &situation, QWidget * parent)
 #ifndef QT_NO_CURSOR
     QApplication::restoreOverrideCursor();
 #endif
-    qCDebug(vExcep)<<"Critical error!"<<situation<<ErrorMessage()<<DetailedInformation();
+    qCDebug(vExcep, "Critical error! %s %s %s", situation.toUtf8().constData(), ErrorMessage().toUtf8().constData(),
+            DetailedInformation().toUtf8().constData());
     msgBox.exec();
 }
 
diff --git a/src/libs/ifc/xml/vdomdocument.cpp b/src/libs/ifc/xml/vdomdocument.cpp
index ce52253f7..05dac2940 100644
--- a/src/libs/ifc/xml/vdomdocument.cpp
+++ b/src/libs/ifc/xml/vdomdocument.cpp
@@ -425,7 +425,7 @@ void VDomDocument::CollectId(const QDomElement &node, QVector<quint32> &vector)
  */
 void VDomDocument::ValidateXML(const QString &schema, const QString &fileName)
 {
-    qCDebug(vXML)<<"Validation xml file"<<fileName<<".";
+    qCDebug(vXML, "Validation xml file %s.", fileName.toUtf8().constData());
     QFile pattern(fileName);
     if (pattern.open(QIODevice::ReadOnly) == false)
     {
@@ -451,7 +451,7 @@ void VDomDocument::ValidateXML(const QString &schema, const QString &fileName)
         const QString errorMsg(tr("Could not load schema file.").arg(fileSchema.fileName()));
         throw VException(errorMsg);
     }
-    qCDebug(vXML)<<"Schema loaded.";
+    qCDebug(vXML, "Schema loaded.");
 
     bool errorOccurred = false;
     if (sch.isValid() == false)