Increase required Qt version up to 5.4.

--HG--
branch : develop

README.txt

@@ -1,13 +1,12 @@
 Pattern making program
 Author Roman Telezhynskyi <dismine(at)gmail.com>
-Copyright (C) 2013-2017 Valentina project  
+Copyright (C) 2013-2019 Valentina project  
 Valentina Web page: https://valentinaproject.bitbucket.io/
 Wiki: https://wiki.valentinaproject.org    
 Valentina main repository: https://bitbucket.org/dismine/valentina/overview    
 Forum http://valentinaproject.forumotion.me/    
 PPA for Ubuntu (develop): https://launchpad.net/~dismine/+archive/valentina-dev    
 Help translate https://www.transifex.com/organization/valentina    
-IRC channel: #valentina on irc.freenode.net.
 
 Valentina
 ==========
@@ -17,26 +16,13 @@ creation, using either standard sizing tables or an individual’s set of
 measurements. It blends new technologies with traditional methods to create 
 a unique pattern making tool. 
 
-Supported Platforms
-===================
-The standalone binary packages support the following platforms:
-
-Windows XP SP2 (32-bit) or later
-Ubuntu Linux 14.04 (32-bit/64-bit) or later
-OpenSUSE 13.02 (32-bit/64-bit) or later
-Fedora 24 (32-bit/64-bit) or later
-Mac OS X 10.8 (64-bit) or later
-
-Building the sources requires Qt 5.2.0 or later.
-
 Compiling Valentina
 ====================
 Prerequisites:   
-   * Qt 5.2.0 or later (On Unix development packages needed)   
+   * Qt 5.4.0 or later (On Unix development packages needed)   
    * mercurial (only for working with repository)   
    * On Unix:     
-     - g++ (at least GCC 4.7 is needed and GCC 4.8 is recommended) or
-       clang (clang 3.4 recommended)
+     - g++ 4.8 or clang 3.4
      - xpdf package (tool pdftops).    
    * On Windows:   
      - MinGW  

Valentina.pro

@@ -1,9 +1,9 @@
 include(common.pri)
 
-#Check if Qt version >= 5.2.0
-!minQtVersion(5, 2, 0) {
+#Check if Qt version >= 5.4.0
+!minQtVersion(5, 4, 0) {
     message("Cannot build Valentina with Qt version $${QT_VERSION}.")
-    error("Use at least Qt 5.2.0.")
+    error("Use at least Qt 5.4.0.")
 }
 
 #These checks need because we can quote all paths that contain space.

common.pri

@@ -272,11 +272,6 @@ ISYSTEM += \
     -isystem "$$[QT_INSTALL_HEADERS]/QtTest" \
     -isystem "$$[QT_INSTALL_HEADERS]/QtConcurrent"
 
-# Don't use Qt OpenGL module since Q5.4
-equals(QT_MAJOR_VERSION, 5):lessThan(QT_MINOR_VERSION, 4) {
-    ISYSTEM += -isystem "$$[QT_INSTALL_HEADERS]/QtOpenGL"
-}
-
 } else {
 ISYSTEM += \
     -isystem "$$[QT_INSTALL_LIBS]/QtWidgets.framework/Headers/" \
@@ -299,14 +294,6 @@ ISYSTEM += \
     -isystem "$$[QT_INSTALL_LIBS]/QtTest.framework/Versions/5/Headers/" \
     -isystem "$$[QT_INSTALL_LIBS]/QtConcurrent.framework/Headers/" \
     -isystem "$$[QT_INSTALL_LIBS]/QtConcurrent.framework/Versions/5/Headers/"
-
-
-# Don't use Qt OpenGL module since Q5.4
-equals(QT_MAJOR_VERSION, 5):lessThan(QT_MINOR_VERSION, 4) {
-    ISYSTEM += \
-        -isystem "$$[QT_INSTALL_LIBS]/QtOpenGL.framework/Headers/" \
-        -isystem "$$[QT_INSTALL_LIBS]/QtOpenGL.framework/Versions/5/Headers/"
-}
 }
 
 # Usefull GCC warnings keys.

dist/OBS_debian/debian.control

@@ -3,20 +3,20 @@ Section: graphics
 Priority: optional
 Maintainer: Roman Telezhynskyi <dismine@gmail.com>
 Build-Depends: debhelper (>= 8.0.0), 
-               qtbase5-dev (>= 5.2.0), 
-               libqt5svg5-dev (>= 5.2.0), 
-               g++ (>= 4.7.0), 
-               qt5-default (>= 5.2.0), 
-               qttools5-dev-tools (>= 5.2.0), 
-               libqt5xmlpatterns5-dev (>= 5.2.0),
-               libqt5opengl5-dev (>= 5.2.0) 
+               qtbase5-dev (>= 5.4.0), 
+               libqt5svg5-dev (>= 5.4.0), 
+               g++ (>= 4.8.0), 
+               qt5-default (>= 5.4.0), 
+               qttools5-dev-tools (>= 5.4.0), 
+               libqt5xmlpatterns5-dev (>= 5.4.0),
+               libqt5opengl5-dev (>= 5.4.0) 
 Standards-Version: 3.9.5
 Homepage: https://valentinaproject.bitbucket.io/
 Vcs-Browser: https://bitbucket.org/dismine/valentina
 
 Package: valentina
 Architecture: i386 amd64
-Depends: libc6 (>= 2.4), libgcc1 (>= 1:4.1.1), libqt5core5a (>= 5.2.0) | libqt5core5 (>= 5.2.0), libqt5gui5 (>= 5.2.0) | libqt5gui5-gles (>= 5.2.0), libqt5printsupport5 (>= 5.2.0), libqt5svg5 (>= 5.2.0), libqt5widgets5 (>= 5.2.0), libqt5xml5 (>= 5.2.0), libqt5xmlpatterns5 (>= 5.2.0), libqt5concurrent5(>= 5.2.0), libqt5opengl5 (>= 5.2.0), libstdc++6 (>= 4.6), xpdf
+Depends: libc6 (>= 2.4), libgcc1 (>= 1:4.1.1), libqt5core5a (>= 5.4.0) | libqt5core5 (>= 5.4.0), libqt5gui5 (>= 5.4.0) | libqt5gui5-gles (>= 5.4.0), libqt5printsupport5 (>= 5.4.0), libqt5svg5 (>= 5.4.0), libqt5widgets5 (>= 5.4.0), libqt5xml5 (>= 5.4.0), libqt5xmlpatterns5 (>= 5.4.0), libqt5concurrent5(>= 5.4.0), libqt5opengl5 (>= 5.4.0), libstdc++6 (>= 4.8), xpdf
 Conflicts: seamly2d
 Description: Pattern making program.
  Valentina is a cross-platform patternmaking program which allows designers 

dist/debian/control

@@ -3,20 +3,20 @@ Section: graphics
 Priority: optional
 Maintainer: Roman Telezhynskyi <dismine@gmail.com>
 Build-Depends: debhelper (>= 8.0.0), 
-               qtbase5-dev (>= 5.2.0), 
-               libqt5svg5-dev (>= 5.2.0), 
-               g++ (>= 4.7.0), 
-               qt5-default (>= 5.2.0), 
-               qttools5-dev-tools (>= 5.2.0), 
-               libqt5xmlpatterns5-dev (>= 5.2.0),
-               libqt5opengl5-dev (>= 5.2.0) 
+               qtbase5-dev (>= 5.4.0), 
+               libqt5svg5-dev (>= 5.4.0), 
+               g++ (>= 4.8.0), 
+               qt5-default (>= 5.4.0), 
+               qttools5-dev-tools (>= 5.4.0), 
+               libqt5xmlpatterns5-dev (>= 5.4.0),
+               libqt5opengl5-dev (>= 5.4.0) 
 Standards-Version: 3.9.5
 Homepage: https://valentinaproject.bitbucket.io/
 Vcs-Browser: https://bitbucket.org/dismine/valentina
 
 Package: valentina
 Architecture: i386 amd64
-Depends: libc6 (>= 2.4), libgcc1 (>= 1:4.1.1), libqt5core5a (>= 5.2.0) | libqt5core5 (>= 5.2.0), libqt5gui5 (>= 5.2.0) | libqt5gui5-gles (>= 5.2.0), libqt5printsupport5 (>= 5.2.0), libqt5svg5 (>= 5.2.0), libqt5widgets5 (>= 5.2.0), libqt5xml5 (>= 5.2.0), libqt5xmlpatterns5 (>= 5.2.0), libqt5concurrent5(>= 5.2.0), libqt5opengl5 (>= 5.2.0), libstdc++6 (>= 4.6), xpdf
+Depends: libc6 (>= 2.4), libgcc1 (>= 1:4.1.1), libqt5core5a (>= 5.4.0) | libqt5core5 (>= 5.4.0), libqt5gui5 (>= 5.4.0) | libqt5gui5-gles (>= 5.4.0), libqt5printsupport5 (>= 5.4.0), libqt5svg5 (>= 5.4.0), libqt5widgets5 (>= 5.4.0), libqt5xml5 (>= 5.4.0), libqt5xmlpatterns5 (>= 5.4.0), libqt5concurrent5(>= 5.4.0), libqt5opengl5 (>= 5.4.0), libstdc++6 (>= 4.8), xpdf
 Conflicts: seamly2d
 Description: Pattern making program.
  Valentina is a cross-platform patternmaking program which allows designers 

dist/rpm/valentina.spec

@@ -9,7 +9,7 @@ Requires(postun): desktop-file-utils
 Conflicts: seamly2d
 
 %if 0%{?fedora_version} > 0 || 0%{?rhel_version} >= 700 || 0%{?centos_version} >= 700
-BuildRequires: qt5-qtbase-devel >= 5.2.0
+BuildRequires: qt5-qtbase-devel >= 5.4.0
 BuildRequires: pkgconfig(Qt5Svg)
 BuildRequires: pkgconfig(Qt5Core)
 BuildRequires: pkgconfig(Qt5Gui)
@@ -20,17 +20,17 @@ BuildRequires: pkgconfig(Qt5Xml)
 BuildRequires: pkgconfig(Qt5Concurrent)
 BuildRequires: pkgconfig(Qt5OpenGL)
 BuildRequires: pkgconfig(Qt5XmlPatterns)
-BuildRequires: qt5-qtxmlpatterns-devel  >= 5.2.0
-BuildRequires: qt5-qtsvg-devel >= 5.2.0
-BuildRequires: qt5-qttools-devel >= 5.2.0
+BuildRequires: qt5-qtxmlpatterns-devel  >= 5.4.0
+BuildRequires: qt5-qtsvg-devel >= 5.4.0
+BuildRequires: qt5-qttools-devel >= 5.4.0
 
-Requires:      qt5-qtsvg >= 5.2.0
-Requires:      qt5-qtbase-gui >= 5.2.0
-Requires:      qt5-qtxmlpatterns >= 5.2.0
+Requires:      qt5-qtsvg >= 5.4.0
+Requires:      qt5-qtbase-gui >= 5.4.0
+Requires:      qt5-qtxmlpatterns >= 5.4.0
 %endif
 
 %if 0%{?mageia} > 0
-BuildRequires: libqt5-devel >= 5.2.0
+BuildRequires: libqt5-devel >= 5.4.0
 BuildRequires: pkgconfig(Qt5Svg)
 BuildRequires: pkgconfig(Qt5Core)
 BuildRequires: pkgconfig(Qt5Gui)
@@ -43,7 +43,7 @@ BuildRequires: pkgconfig(Qt5OpenGL)
 BuildRequires: pkgconfig(Qt5XmlPatterns)
 BuildRequires: libproxy-pacrunner
 BuildRequires: qttools5
-BuildRequires: qtbase5-common-devel >= 5.2.0
+BuildRequires: qtbase5-common-devel >= 5.4.0
 
 %if 0%{?mageia} == 6
 BuildRequires: pkgconfig(openssl)

src/app/tape/main.cpp

@@ -42,7 +42,7 @@ int main(int argc, char *argv[])
     Q_INIT_RESOURCE(flags);
     Q_INIT_RESOURCE(style);
 
-    QT_REQUIRE_VERSION(argc, argv, "5.2.0")// clazy:exclude=qstring-arg
+    QT_REQUIRE_VERSION(argc, argv, "5.4.0")// clazy:exclude=qstring-arg,qstring-allocations
 
 #if defined(Q_OS_WIN)
     VAbstractApplication::WinAttachConsole();
@@ -55,11 +55,7 @@ int main(int argc, char *argv[])
     MApplication app(argc, argv);
     app.InitOptions();
 
-#if QT_VERSION >= QT_VERSION_CHECK(5, 4, 0)
     QTimer::singleShot(0, &app, &MApplication::ProcessCMD);
-#else
-    QTimer::singleShot(0, &app, SLOT(ProcessCMD()));
-#endif
 
     return app.exec();
 }

src/app/tape/mapplication.cpp

@@ -34,7 +34,6 @@
 #include "../ifc/exception/vexceptionconversionerror.h"
 #include "../ifc/exception/vexceptionemptyparameter.h"
 #include "../ifc/exception/vexceptionwrongid.h"
-#include "../vmisc/logging.h"
 #include "../vmisc/vsysexits.h"
 #include "../vmisc/diagnostic.h"
 #include "../vmisc/qt_dispatch/qt_dispatch.h"
@@ -160,7 +159,7 @@ inline void noisyFailureMsgHandler(QtMsgType type, const QMessageLogContext &con
         case QtFatalMsg:
             vStdErr() << QApplication::translate("mNoisyHandler", "FATAL:") << msg << "\n";
             break;
-        #if QT_VERSION > QT_VERSION_CHECK(5, 4, 2)
+        #if QT_VERSION >= QT_VERSION_CHECK(5, 5, 0)
         case QtInfoMsg:
             vStdOut() << QApplication::translate("mNoisyHandler", "INFO:") << msg << "\n";
             break;
@@ -193,7 +192,7 @@ inline void noisyFailureMsgHandler(QtMsgType type, const QMessageLogContext &con
                 messageBox.setWindowTitle(QApplication::translate("mNoisyHandler", "Fatal error"));
                 messageBox.setIcon(QMessageBox::Critical);
                 break;
-            #if QT_VERSION > QT_VERSION_CHECK(5, 4, 2)
+            #if QT_VERSION >= QT_VERSION_CHECK(5, 5, 0)
             case QtInfoMsg:
                 messageBox.setWindowTitle(QApplication::translate("mNoisyHandler", "Information"));
                 messageBox.setIcon(QMessageBox::Information);

src/app/tape/tape.pro

@@ -9,11 +9,6 @@ include(../../../common.pri)
 
 QT       += core gui widgets network xml xmlpatterns printsupport svg concurrent
 
-# Don't use Qt OpenGL module since Q5.4
-equals(QT_MAJOR_VERSION, 5):lessThan(QT_MINOR_VERSION, 4) {
-    QT += opengl
-}
-
 # Name of binary file
 TARGET = tape
 
@@ -23,13 +18,7 @@ TEMPLATE = app
 # Use out-of-source builds (shadow builds)
 CONFIG -= debug_and_release debug_and_release_target
 
-# Since Q5.4 available support C++14
-greaterThan(QT_MAJOR_VERSION, 4):greaterThan(QT_MINOR_VERSION, 3) {
-    CONFIG += c++14
-} else {
-    # We use C++11 standard
-    CONFIG += c++11
-}
+CONFIG += c++14
 
 # The following define makes your compiler emit warnings if you use
 # any feature of Qt which has been marked as deprecated (the exact warnings
@@ -335,11 +324,6 @@ noRunPath{ # For enable run qmake with CONFIG+=noRunPath
     }
 }
 
-win32:greaterThan(QT_MAJOR_VERSION, 4) {
-    # Link with library uxtheme to enable new style since WindowsXP or later
-    LIBS += -luxtheme
-}
-
 # When the GNU linker sees a library, it discards all symbols that it doesn't need.
 # Dependent library go first.
 

src/app/valentina/core/vapplication.cpp

@@ -35,7 +35,6 @@
 #include "../ifc/exception/vexceptioninvalidnotch.h"
 #include "../vwidgets/vmaingraphicsview.h"
 #include "../version.h"
-#include "../vmisc/logging.h"
 #include "../vmisc/vmath.h"
 #include "../qmuparser/qmuparsererror.h"
 #include "../mainwindow.h"
@@ -171,7 +170,7 @@ inline void noisyFailureMsgHandler(QtMsgType type, const QMessageLogContext &con
                              .arg(context.function, context.category, msg);
                 vStdErr() << QApplication::translate("vNoisyHandler", "FATAL:") << msg << "\n";
                 break;
-            #if QT_VERSION > QT_VERSION_CHECK(5, 4, 2)
+            #if QT_VERSION >= QT_VERSION_CHECK(5, 5, 0)
             case QtInfoMsg:
                 debugdate += QString(":INFO:%1(%2)] %3: %4: %5").arg(context.file).arg(context.line)
                              .arg(context.function, context.category, msg);
@@ -209,7 +208,7 @@ inline void noisyFailureMsgHandler(QtMsgType type, const QMessageLogContext &con
                 messageBox.setWindowTitle(QApplication::translate("vNoisyHandler", "Fatal error"));
                 messageBox.setIcon(QMessageBox::Critical);
                 break;
-            #if QT_VERSION > QT_VERSION_CHECK(5, 4, 2)
+            #if QT_VERSION >= QT_VERSION_CHECK(5, 5, 0)
             case QtInfoMsg:
                 messageBox.setWindowTitle(QApplication::translate("vNoisyHandler", "Information"));
                 messageBox.setIcon(QMessageBox::Information);

src/app/valentina/dialogs/dialoglayoutsettings.cpp

@@ -738,22 +738,7 @@ void DialogLayoutSettings::InitLayoutUnits()
 void DialogLayoutSettings::InitPrinter()
 {
     ui->comboBoxPrinter->clear();
-    QStringList printerNames;
-#if QT_VERSION < QT_VERSION_CHECK(5, 3, 0)
-    const QList<QPrinterInfo> printers = QPrinterInfo::availablePrinters();
-    for(auto printer : printers)
-    {
-        const QString name = printer.printerName();
-        if (not name.isEmpty())
-        {
-            printerNames.append(name);
-        }
-    }
-#else
-    printerNames = QPrinterInfo::availablePrinterNames();
-#endif
-
-    ui->comboBoxPrinter->addItems(printerNames);
+    ui->comboBoxPrinter->addItems(QPrinterInfo::availablePrinterNames());
 
     if (ui->comboBoxPrinter->count() == 0)
     {
@@ -761,17 +746,7 @@ void DialogLayoutSettings::InitPrinter()
     }
     else
     {
-        QString defPrinterName;
-#if QT_VERSION < QT_VERSION_CHECK(5, 3, 0)
-        const QPrinterInfo def = QPrinterInfo::defaultPrinter();
-        if(not def.isNull())
-        {
-            defPrinterName = def.printerName();
-        }
-#else
-        defPrinterName = QPrinterInfo::defaultPrinterName();
-#endif
-        const int index = ui->comboBoxPrinter->findText(defPrinterName);
+        const int index = ui->comboBoxPrinter->findText(QPrinterInfo::defaultPrinterName());
         if(index != -1)
         {
             ui->comboBoxPrinter->setCurrentIndex(index);

src/app/valentina/dialogs/dialoglayoutsettings.h

@@ -30,17 +30,12 @@
 #define DIALOGLAYOUTSETTINGS_H
 
 #include <QCloseEvent>
-#include "vabstractlayoutdialog.h"
+#include <QMargins>
 
+#include "vabstractlayoutdialog.h"
 #include "../vlayout/vbank.h"
 #include "../ifc/ifcdef.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 3, 0)
-#   include "../vmisc/backport/qmarginsf.h"
-#else
-#   include <QMargins>
-#endif
-
 namespace Ui
 {
     class DialogLayoutSettings;

src/app/valentina/main.cpp

@@ -47,7 +47,7 @@ int main(int argc, char *argv[])
     Q_INIT_RESOURCE(toolicon);
     Q_INIT_RESOURCE(style);
 
-    QT_REQUIRE_VERSION(argc, argv, "5.2.0")// clazy:exclude=qstring-arg,qstring-allocations
+    QT_REQUIRE_VERSION(argc, argv, "5.4.0")// clazy:exclude=qstring-arg,qstring-allocations
 
 #if defined(Q_OS_WIN)
     VAbstractApplication::WinAttachConsole();
@@ -89,11 +89,7 @@ int main(int argc, char *argv[])
         msec = 15; // set delay for correct the first fitbest zoom
     }
 
-#if QT_VERSION >= QT_VERSION_CHECK(5, 4, 0)
     QTimer::singleShot(msec, &w, &MainWindow::ProcessCMD);
-#else
-    QTimer::singleShot(msec, &w, SLOT(ProcessCMD()));
-#endif
 
     return app.exec();
 }

src/app/valentina/mainwindow.cpp

@@ -45,7 +45,6 @@
 #include "core/vtooloptionspropertybrowser.h"
 #include "options.h"
 #include "../ifc/xml/vpatternconverter.h"
-#include "../vmisc/logging.h"
 #include "../vformat/vmeasurements.h"
 #include "../ifc/xml/vvstconverter.h"
 #include "../ifc/xml/vvitconverter.h"
@@ -4723,11 +4722,7 @@ bool MainWindow::LoadPattern(QString fileName, const QString& customMeasureFile)
         {
             /* Collect garbage only after successfully parse. This way wrongly accused items have one more time to restore
              * a reference. */
-#if QT_VERSION >= QT_VERSION_CHECK(5, 4, 0)
             QTimer::singleShot(100, Qt::CoarseTimer, this, [this](){doc->GarbageCollector(true);});
-#else
-            doc->GarbageCollector(true);
-#endif
         }
 
         patternReadOnly = doc->IsReadOnly();

src/app/valentina/mainwindowsnogui.cpp

@@ -882,16 +882,9 @@ void MainWindowsNoGUI::PrintPages(QPrinter *printer)
                 qreal x,y;
                 if(printer->fullPage())
                 {
-                    #if QT_VERSION >= QT_VERSION_CHECK(5, 3, 0)
                     QMarginsF printerMargins = printer->pageLayout().margins();
                     x = qFloor(ToPixel(printerMargins.left(),Unit::Mm));
                     y = qFloor(ToPixel(printerMargins.top(),Unit::Mm));
-                    #else
-                        qreal left = 0, top = 0, right = 0, bottom = 0;
-                        printer->getPageMargins(&left, &top, &right, &bottom, QPrinter::Millimeter);
-                        x = qFloor(ToPixel(left,Unit::Mm));
-                        y = qFloor(ToPixel(top,Unit::Mm));
-                    #endif
                 }
                 else
                 {
@@ -1173,15 +1166,12 @@ void MainWindowsNoGUI::PdfFile(const QString &name, QGraphicsRectItem *paper, QG
     const qreal top = FromPixel(margins.top(), Unit::Mm);
     const qreal right = FromPixel(margins.right(), Unit::Mm);
     const qreal bottom = FromPixel(margins.bottom(), Unit::Mm);
-#if QT_VERSION >= QT_VERSION_CHECK(5, 3, 0)
+
     const bool success = printer.setPageMargins(QMarginsF(left, top, right, bottom), QPageLayout::Millimeter);
     if (not success)
     {
         qWarning() << tr("Cannot set printer margins");
     }
-#else
-    printer.setPageMargins(left, top, right, bottom, QPrinter::Millimeter);
-#endif //QT_VERSION >= QT_VERSION_CHECK(5, 3, 0)
 
     QPainter painter;
     if (painter.begin( &printer ) == false)
@@ -1592,16 +1582,12 @@ void MainWindowsNoGUI::SetPrinterSettings(QPrinter *printer, const PrintType &pr
             bottom = pageMargin.bottom();
         }
     }
-#if QT_VERSION >= QT_VERSION_CHECK(5, 3, 0)
-    const bool success = printer->setPageMargins(QMarginsF(left, top, right, bottom), QPageLayout::Millimeter);
 
+    const bool success = printer->setPageMargins(QMarginsF(left, top, right, bottom), QPageLayout::Millimeter);
     if (not success)
     {
         qWarning() << tr("Cannot set printer margins");
     }
-#else
-    printer->setPageMargins(left, top, right, bottom, QPrinter::Millimeter);
-#endif //QT_VERSION >= QT_VERSION_CHECK(5, 3, 0)
 
     switch(printType)
     {

src/app/valentina/valentina.pro

@@ -13,11 +13,6 @@ include(../../../common.pri)
 # library in installer.
 QT       += core gui widgets xml svg printsupport xmlpatterns concurrent
 
-# Don't use Qt OpenGL module since Q5.4
-equals(QT_MAJOR_VERSION, 5):lessThan(QT_MINOR_VERSION, 4) {
-    QT += opengl
-}
-
 # Use winextras only for Windows 7+
 win32:greaterThan(QT_MAJOR_VERSION, 4):greaterThan(QT_MINOR_VERSION, 6) {
     QT += winextras
@@ -36,13 +31,7 @@ macx{
 # Use out-of-source builds (shadow builds)
 CONFIG -= debug_and_release debug_and_release_target
 
-# Since Q5.4 available support C++14
-greaterThan(QT_MAJOR_VERSION, 4):greaterThan(QT_MINOR_VERSION, 3) {
-    CONFIG += c++14
-} else {
-    # We use C++11 standard
-    CONFIG += c++11
-}
+CONFIG += c++14
 
 # The following define makes your compiler emit warnings if you use
 # any feature of Qt which has been marked as deprecated (the exact warnings
@@ -313,11 +302,6 @@ win32:*g++* {
         $$[QT_INSTALL_BINS]/libstdc++-6.dll \
         $$[QT_INSTALL_BINS]/libwinpthread-1.dll
 
-    # Don't use Qt OpenGL module since Q5.4
-    equals(QT_MAJOR_VERSION, 5):lessThan(QT_MINOR_VERSION, 4) {
-        package.files += $$[QT_INSTALL_BINS]/Qt5OpenGL.dll
-    }
-
     # For support Windows 7+
     greaterThan(QT_MAJOR_VERSION, 4):greaterThan(QT_MINOR_VERSION, 6) {
         package.files += $$[QT_INSTALL_BINS]/Qt5WinExtras.dll
@@ -476,11 +460,6 @@ noRunPath{ # For enable run qmake with CONFIG+=noRunPath
     }
 }
 
-win32:greaterThan(QT_MAJOR_VERSION, 4) {
-    # Link with library uxtheme to enable new style since WindowsXP or later
-    LIBS += -luxtheme
-}
-
 # When the GNU linker sees a library, it discards all symbols that it doesn't need.
 # Dependent library go first.
 

src/libs/fervor/fervor.pro

@@ -17,13 +17,7 @@ TEMPLATE = lib
 
 CONFIG += staticlib # Making static library
 
-# Since Q5.4 available support C++14
-greaterThan(QT_MAJOR_VERSION, 4):greaterThan(QT_MINOR_VERSION, 3) {
-    CONFIG += c++14
-} else {
-    # We use C++11 standard
-    CONFIG += c++11
-}
+CONFIG += c++14
 
 # Use out-of-source builds (shadow builds)
 CONFIG -= debug_and_release debug_and_release_target

src/libs/ifc/ifc.pro

@@ -21,13 +21,7 @@ TEMPLATE = lib
 
 CONFIG += staticlib # Making static library
 
-# Since Q5.4 available support C++14
-greaterThan(QT_MAJOR_VERSION, 4):greaterThan(QT_MINOR_VERSION, 3) {
-    CONFIG += c++14
-} else {
-    # We use C++11 standard
-    CONFIG += c++11
-}
+CONFIG += c++14
 
 # Use out-of-source builds (shadow builds)
 CONFIG -= debug_and_release debug_and_release_target

src/libs/ifc/xml/vdomdocument.cpp

@@ -37,7 +37,6 @@
 #include "../exception/vexceptionemptyparameter.h"
 #include "../exception/vexceptionwrongid.h"
 #include "../exception/vexception.h"
-#include "../vmisc/logging.h"
 #include "../ifcdef.h"
 
 #include <QAbstractMessageHandler>

src/libs/ifc/xml/vdomdocument.h

@@ -41,11 +41,11 @@
 #include <QStringDataPtr>
 #include <QtGlobal>
 #include <QLocale>
+#include <QLoggingCategory>
 
 #include "../ifc/ifcdef.h"
 #include "../vmisc/def.h"
 #include "../vmisc/diagnostic.h"
-#include "../vmisc/logging.h"
 
 class QDomElement;
 class QDomNode;

src/libs/qmuparser/qmuparser.pro

@@ -19,13 +19,7 @@ TEMPLATE = lib
 # Use out-of-source builds (shadow builds)
 CONFIG -= debug_and_release debug_and_release_target
 
-# Since Q5.4 available support C++14
-greaterThan(QT_MAJOR_VERSION, 4):greaterThan(QT_MINOR_VERSION, 3) {
-    CONFIG += c++14
-} else {
-    # We use C++11 standard
-    CONFIG += c++11
-}
+CONFIG += c++14
 
 # The following define makes your compiler emit warnings if you use
 # any feature of Qt which has been marked as deprecated (the exact warnings

src/libs/vdxf/vdxf.pro

@@ -17,13 +17,7 @@ TEMPLATE = lib
 
 CONFIG += staticlib # Making static library
 
-# Since Q5.4 available support C++14
-greaterThan(QT_MAJOR_VERSION, 4):greaterThan(QT_MINOR_VERSION, 3) {
-    CONFIG += c++14
-} else {
-    # We use C++11 standard
-    CONFIG += c++11
-}
+CONFIG += c++14
 
 # Use out-of-source builds (shadow builds)
 CONFIG -= debug_and_release debug_and_release_target

src/libs/vdxf/vdxfengine.cpp

@@ -855,13 +855,7 @@ DRW_Entity *VDxfEngine::AAMAText(const QPointF &pos, const QString &text, const
 //---------------------------------------------------------------------------------------------------------------------
 std::string VDxfEngine::FromUnicodeToCodec(const QString &str, QTextCodec *codec)
 {
-    const QByteArray encodedString = codec->fromUnicode(str);
-
-#if QT_VERSION >= QT_VERSION_CHECK(5, 4, 0)
-    return encodedString.toStdString();
-#else
-    return std::string(encodedString.constData(), static_cast<std::string::size_type>(encodedString.length()));
-#endif
+    return codec->fromUnicode(str).toStdString();
 }
 
 //---------------------------------------------------------------------------------------------------------------------

src/libs/vformat/vformat.pro

@@ -21,13 +21,7 @@ TEMPLATE = lib
 
 CONFIG += staticlib # Making static library
 
-# Since Q5.4 available support C++14
-greaterThan(QT_MAJOR_VERSION, 4):greaterThan(QT_MINOR_VERSION, 3) {
-    CONFIG += c++14
-} else {
-    # We use C++11 standard
-    CONFIG += c++11
-}
+CONFIG += c++14
 
 # Use out-of-source builds (shadow builds)
 CONFIG -= debug_and_release debug_and_release_target

src/libs/vgeometry/vgeometry.pro

@@ -17,13 +17,7 @@ TEMPLATE = lib
 
 CONFIG += staticlib # Making static library
 
-# Since Q5.4 available support C++14
-greaterThan(QT_MAJOR_VERSION, 4):greaterThan(QT_MINOR_VERSION, 3) {
-    CONFIG += c++14
-} else {
-    # We use C++11 standard
-    CONFIG += c++11
-}
+CONFIG += c++14
 
 # Use out-of-source builds (shadow builds)
 CONFIG -= debug_and_release debug_and_release_target

src/libs/vlayout/vbank.cpp

@@ -31,7 +31,6 @@
 #include <climits>
 
 #include "../vmisc/diagnostic.h"
-#include "../vmisc/logging.h"
 #include "../vmisc/vabstractapplication.h"
 #include "vlayoutpiece.h"
 

src/libs/vlayout/vlayout.pro

@@ -17,13 +17,7 @@ TEMPLATE = lib
 
 CONFIG += staticlib # Making static library
 
-# Since Q5.4 available support C++14
-greaterThan(QT_MAJOR_VERSION, 4):greaterThan(QT_MINOR_VERSION, 3) {
-    CONFIG += c++14
-} else {
-    # We use C++11 standard
-    CONFIG += c++11
-}
+CONFIG += c++14
 
 # Use out-of-source builds (shadow builds)
 CONFIG -= debug_and_release debug_and_release_target

src/libs/vlayout/vlayoutgenerator.h

@@ -38,18 +38,11 @@
 #include <QtGlobal>
 #include <memory>
 #include <atomic>
+#include <QMargins>
 
 #include "vbank.h"
 #include "vlayoutdef.h"
 
-class QMarginsF;
-
-#if QT_VERSION < QT_VERSION_CHECK(5, 3, 0)
-#   include "../vmisc/backport/qmarginsf.h"
-#else
-#   include <QMargins>
-#endif
-
 class QGraphicsItem;
 class VLayoutPaper;
 class QElapsedTimer;

src/libs/vlayout/vposter.cpp

@@ -262,19 +262,10 @@ QRect VPoster::PageRect() const
 
     if(printer->fullPage())
     {
-        #if QT_VERSION >= QT_VERSION_CHECK(5, 3, 0)
         QMarginsF pMargins = printer->pageLayout().margins();
         QRectF newRect = rect.marginsRemoved(pMargins);
         const QRect pageRectFP(0, 0, qFloor(ToPixel(newRect.width())), qFloor(ToPixel(newRect.height())));
         return pageRectFP;
-        #else
-            qreal left = 0 , top = 0, right = 0, bottom = 0;
-            printer->getPageMargins(&left, &top, &right, &bottom, QPrinter::Millimeter);
-            qreal newWidth = rect.width()-left-right;
-            qreal newHeight = rect.height()-top-bottom;
-            const QRect pageRectFP(0, 0, qFloor(ToPixel(newWidth)), qFloor(ToPixel(newHeight)));
-            return pageRectFP;
-        #endif
     }
     else
     {

src/libs/vmisc/backport/qmarginsf.cpp

@@ -1,377 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2015 The Qt Company Ltd.
-** Contact: http://www.qt.io/licensing/
-**
-** This file is part of the QtCore module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL21$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see http://www.qt.io/terms-conditions. For further
-** information use the contact form at http://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 or version 3 as published by the Free
-** Software Foundation and appearing in the file LICENSE.LGPLv21 and
-** LICENSE.LGPLv3 included in the packaging of this file. Please review the
-** following information to ensure the GNU Lesser General Public License
-** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** As a special exception, The Qt Company gives you certain additional
-** rights. These rights are described in The Qt Company LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qmarginsf.h"
-
-#include <QDebugStateSaver>
-
-#if QT_VERSION < QT_VERSION_CHECK(5, 3, 0)
-#include <QDataStream>
-#include <QtDebug>
-
-/*!
-    \class QMarginsF
-    \inmodule QtCore
-    \ingroup painting
-    \since 5.3
-
-    \brief The QMarginsF class defines the four margins of a rectangle.
-
-    QMarginsF defines a set of four margins; left, top, right and bottom,
-    that describe the size of the borders surrounding a rectangle.
-
-    The isNull() function returns \c true only if all margins are set to zero.
-
-    QMarginsF objects can be streamed as well as compared.
-*/
-
-
-/*****************************************************************************
-  QMarginsF member functions
- *****************************************************************************/
-
-/*!
-    \fn QMarginsF::QMarginsF()
-
-    Constructs a margins object with all margins set to 0.
-
-    \sa isNull()
-*/
-
-/*!
-    \fn QMarginsF::QMarginsF(qreal left, qreal top, qreal right, qreal bottom)
-
-    Constructs margins with the given \a left, \a top, \a right, \a bottom
-
-    \sa setLeft(), setRight(), setTop(), setBottom()
-*/
-
-/*!
-    \fn QMarginsF::QMarginsF(const QMargins &margins)
-
-    Constructs margins copied from the given \a margins
-*/
-
-/*!
-    \fn bool QMarginsF::isNull() const
-
-    Returns \c true if all margins are 0; otherwise returns
-    false.
-*/
-
-
-/*!
-    \fn qreal QMarginsF::left() const
-
-    Returns the left margin.
-
-    \sa setLeft()
-*/
-
-/*!
-    \fn qreal QMarginsF::top() const
-
-    Returns the top margin.
-
-    \sa setTop()
-*/
-
-/*!
-    \fn qreal QMarginsF::right() const
-
-    Returns the right margin.
-*/
-
-/*!
-    \fn qreal QMarginsF::bottom() const
-
-    Returns the bottom margin.
-*/
-
-
-/*!
-    \fn void QMarginsF::setLeft(qreal left)
-
-    Sets the left margin to \a left.
-*/
-
-/*!
-    \fn void QMarginsF::setTop(qreal Top)
-
-    Sets the Top margin to \a Top.
-*/
-
-/*!
-    \fn void QMarginsF::setRight(qreal right)
-
-    Sets the right margin to \a right.
-*/
-
-/*!
-    \fn void QMarginsF::setBottom(qreal bottom)
-
-    Sets the bottom margin to \a bottom.
-*/
-
-/*!
-    \fn bool operator==(const QMarginsF &lhs, const QMarginsF &rhs)
-    \relates QMarginsF
-
-    Returns \c true if \a lhs and \a rhs are equal; otherwise returns \c false.
-*/
-
-/*!
-    \fn bool operator!=(const QMarginsF &lhs, const QMarginsF &rhs)
-    \relates QMarginsF
-
-    Returns \c true if \a lhs and \a rhs are different; otherwise returns \c false.
-*/
-
-/*!
-    \fn const QMarginsF operator+(const QMarginsF &lhs, const QMarginsF &rhs)
-    \relates QMarginsF
-
-    Returns a QMarginsF object that is the sum of the given margins, \a lhs
-    and \a rhs; each component is added separately.
-
-    \sa QMarginsF::operator+=(), QMarginsF::operator-=()
-*/
-
-/*!
-    \fn const QMarginsF operator-(const QMarginsF &lhs, const QMarginsF &rhs)
-    \relates QMarginsF
-
-    Returns a QMarginsF object that is formed by subtracting \a rhs from
-    \a lhs; each component is subtracted separately.
-
-    \sa QMarginsF::operator+=(), QMarginsF::operator-=()
-*/
-
-/*!
-    \fn const QMarginsF operator+(const QMarginsF &lhs, qreal rhs)
-    \relates QMarginsF
-
-    Returns a QMarginsF object that is formed by adding \a rhs to
-    \a lhs.
-
-    \sa QMarginsF::operator+=(), QMarginsF::operator-=()
-*/
-
-/*!
-    \fn const QMarginsF operator+(qreal lhs, const QMarginsF &rhs)
-    \relates QMarginsF
-
-    Returns a QMarginsF object that is formed by adding \a lhs to
-    \a rhs.
-
-    \sa QMarginsF::operator+=(), QMarginsF::operator-=()
-*/
-
-/*!
-    \fn const QMarginsF operator-(const QMarginsF &lhs, qreal rhs)
-    \relates QMarginsF
-
-    Returns a QMarginsF object that is formed by subtracting \a rhs from
-    \a lhs.
-
-    \sa QMarginsF::operator+=(), QMarginsF::operator-=()
-*/
-
-/*!
-    \fn const QMarginsF operator*(const QMarginsF &lhs, qreal rhs)
-    \relates QMarginsF
-    \overload
-
-    Returns a QMarginsF object that is formed by multiplying each component
-    of the given \a lhs margins by \a rhs factor.
-
-    \sa QMarginsF::operator*=(), QMarginsF::operator/=()
-*/
-
-/*!
-    \fn const QMarginsF operator*(qreal lhs, const QMarginsF &rhs)
-    \relates QMarginsF
-    \overload
-
-    Returns a QMarginsF object that is formed by multiplying each component
-    of the given \a lhs margins by \a rhs factor.
-
-    \sa QMarginsF::operator*=(), QMarginsF::operator/=()
-*/
-
-/*!
-    \fn const QMarginsF operator/(const QMarginsF &lhs, qreal rhs)
-    \relates QMarginsF
-    \overload
-
-    Returns a QMarginsF object that is formed by dividing the components of
-    the given \a lhs margins by the given \a rhs divisor.
-
-    \sa QMarginsF::operator*=(), QMarginsF::operator/=()
-*/
-
-/*!
-    \fn QMarginsF operator+(const QMarginsF &margins)
-    \relates QMarginsF
-
-    Returns a QMargin object that is formed from all components of \a margins.
-*/
-
-/*!
-    \fn QMarginsF operator-(const QMarginsF &margins)
-    \relates QMarginsF
-
-    Returns a QMargin object that is formed by negating all components of \a margins.
-*/
-
-/*!
-    \fn QMarginsF &QMarginsF::operator+=(const QMarginsF &margins)
-
-    Add each component of \a margins to the respective component of this object
-    and returns a reference to it.
-
-    \sa operator-=()
-*/
-
-/*!
-    \fn QMarginsF &QMarginsF::operator-=(const QMarginsF &margins)
-
-    Subtract each component of \a margins from the respective component of this object
-    and returns a reference to it.
-
-    \sa operator+=()
-*/
-
-/*!
-    \fn QMarginsF &QMarginsF::operator+=(qreal addend)
-    \overload
-
-    Adds the \a addend to each component of this object
-    and returns a reference to it.
-
-    \sa operator-=()
-*/
-
-/*!
-    \fn QMarginsF &QMarginsF::operator-=(qreal subtrahend)
-    \overload
-
-    Subtracts the \a subtrahend from each component of this object
-    and returns a reference to it.
-
-    \sa operator+=()
-*/
-
-/*!
-    \fn QMarginsF &QMarginsF::operator*=(qreal factor)
-
-    Multiplies each component of this object by \a factor
-    and returns a reference to it.
-
-    \sa operator/=()
-*/
-
-/*!
-    \fn QMarginsF &QMarginsF::operator/=(qreal divisor)
-
-    Divides each component of this object by \a divisor
-    and returns a reference to it.
-
-    \sa operator*=()
-*/
-
-/*!
-    \fn QMargins QMarginsF::toMargins() const
-
-    Returns an integer based copy of this margins object.
-
-    Note that the components in the returned margins will be rounded to
-    the nearest integer.
-
-    \sa QMarginsF()
-*/
-
-/*****************************************************************************
-  QMarginsF stream functions
- *****************************************************************************/
-#ifndef QT_NO_DATASTREAM
-/*!
-    \fn QDataStream &operator<<(QDataStream &stream, const QMarginsF &m)
-    \relates QMarginsF
-
-    Writes margin \a m to the given \a stream and returns a
-    reference to the stream.
-
-    \sa {Serializing Qt Data Types}
-*/
-
-QDataStream &operator<<(QDataStream &s, const QMarginsF &m)
-{
-    s << double(m.left()) << double(m.top()) << double(m.right()) << double(m.bottom());
-    return s;
-}
-
-/*!
-    \fn QDataStream &operator>>(QDataStream &stream, QMarginsF &m)
-    \relates QMarginsF
-
-    Reads a margin from the given \a stream into margin \a m
-    and returns a reference to the stream.
-
-    \sa {Serializing Qt Data Types}
-*/
-
-QDataStream &operator>>(QDataStream &s, QMarginsF &m)
-{
-    double left = 0, top = 0, right = 0, bottom = 0;
-    s >> left;
-    s >> top;
-    s >> right;
-    s >> bottom;
-    m = QMarginsF(qreal(left), qreal(top), qreal(right), qreal(bottom));
-    return s;
-}
-#endif // QT_NO_DATASTREAM
-
-#ifndef QT_NO_DEBUG_STREAM
-QDebug operator<<(QDebug dbg, const QMarginsF &m)
-{
-    QDebugStateSaver saver(dbg);
-    dbg.nospace();
-    dbg << "QMarginsF" << '(';
-    dbg << m.left() << ", " << m.top() << ", " << m.right() << ", " << m.bottom();
-    dbg << ')';
-    return dbg;
-}
-#endif
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 3, 0)

src/libs/vmisc/backport/qmarginsf.h

@@ -1,253 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2015 The Qt Company Ltd.
-** Contact: http://www.qt.io/licensing/
-**
-** This file is part of the QtCore module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL21$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see http://www.qt.io/terms-conditions. For further
-** information use the contact form at http://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 or version 3 as published by the Free
-** Software Foundation and appearing in the file LICENSE.LGPLv21 and
-** LICENSE.LGPLv3 included in the packaging of this file. Please review the
-** following information to ensure the GNU Lesser General Public License
-** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** As a special exception, The Qt Company gives you certain additional
-** rights. These rights are described in The Qt Company LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QMARGINSF_H
-#define QMARGINSF_H
-
-#include <qcompilerdetection.h>
-#include <QTypeInfo>
-#include <QtGlobal>
-
-#if QT_VERSION < QT_VERSION_CHECK(5, 3, 0)
-#include <QMargins>
-
-/*****************************************************************************
-  QMarginsF class
- *****************************************************************************/
-
-class QMarginsF
-{
-public:
-    Q_DECL_CONSTEXPR QMarginsF() Q_DECL_NOTHROW;
-    Q_DECL_CONSTEXPR QMarginsF(qreal left, qreal top, qreal right, qreal bottom) Q_DECL_NOTHROW;
-    Q_DECL_CONSTEXPR explicit QMarginsF(const QMargins &margins) Q_DECL_NOTHROW;
-
-    Q_DECL_CONSTEXPR bool isNull() const Q_DECL_NOTHROW;
-
-    Q_DECL_CONSTEXPR qreal left() const Q_DECL_NOTHROW;
-    Q_DECL_CONSTEXPR qreal top() const Q_DECL_NOTHROW;
-    Q_DECL_CONSTEXPR qreal right() const Q_DECL_NOTHROW;
-    Q_DECL_CONSTEXPR qreal bottom() const Q_DECL_NOTHROW;
-
-    void setLeft(qreal left) Q_DECL_NOTHROW;
-    void setTop(qreal top) Q_DECL_NOTHROW;
-    void setRight(qreal right) Q_DECL_NOTHROW;
-    void setBottom(qreal bottom) Q_DECL_NOTHROW;
-
-    QMarginsF &operator+=(const QMarginsF &margins) Q_DECL_NOTHROW;
-    QMarginsF &operator-=(const QMarginsF &margins) Q_DECL_NOTHROW;
-    QMarginsF &operator+=(qreal addend) Q_DECL_NOTHROW;
-    QMarginsF &operator-=(qreal subtrahend) Q_DECL_NOTHROW;
-    QMarginsF &operator*=(qreal factor) Q_DECL_NOTHROW;
-    QMarginsF &operator/=(qreal divisor);
-
-    Q_DECL_CONSTEXPR QMargins toMargins() const Q_DECL_NOTHROW;
-
-private:
-    qreal m_left;
-    qreal m_top;
-    qreal m_right;
-    qreal m_bottom;
-};
-
-Q_DECLARE_TYPEINFO(QMarginsF, Q_MOVABLE_TYPE);
-
-/*****************************************************************************
-  QMarginsF stream functions
- *****************************************************************************/
-
-#ifndef QT_NO_DATASTREAM
-Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QMarginsF &);
-Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QMarginsF &);
-#endif
-
-/*****************************************************************************
-  QMarginsF inline functions
- *****************************************************************************/
-
-Q_DECL_CONSTEXPR inline QMarginsF::QMarginsF() Q_DECL_NOTHROW
-    : m_left(0), m_top(0), m_right(0), m_bottom(0) {}
-
-Q_DECL_CONSTEXPR inline QMarginsF::QMarginsF(qreal aleft, qreal atop, qreal aright, qreal abottom) Q_DECL_NOTHROW
-    : m_left(aleft), m_top(atop), m_right(aright), m_bottom(abottom) {}
-
-Q_DECL_CONSTEXPR inline QMarginsF::QMarginsF(const QMargins &margins) Q_DECL_NOTHROW
-    : m_left(margins.left()), m_top(margins.top()), m_right(margins.right()), m_bottom(margins.bottom()) {}
-
-Q_DECL_CONSTEXPR inline bool QMarginsF::isNull() const Q_DECL_NOTHROW
-{ return qFuzzyIsNull(m_left) && qFuzzyIsNull(m_top) && qFuzzyIsNull(m_right) && qFuzzyIsNull(m_bottom); }
-
-Q_DECL_CONSTEXPR inline qreal QMarginsF::left() const Q_DECL_NOTHROW
-{ return m_left; }
-
-Q_DECL_CONSTEXPR inline qreal QMarginsF::top() const Q_DECL_NOTHROW
-{ return m_top; }
-
-Q_DECL_CONSTEXPR inline qreal QMarginsF::right() const Q_DECL_NOTHROW
-{ return m_right; }
-
-Q_DECL_CONSTEXPR inline qreal QMarginsF::bottom() const Q_DECL_NOTHROW
-{ return m_bottom; }
-
-inline void QMarginsF::setLeft(qreal aleft) Q_DECL_NOTHROW
-{ m_left = aleft; }
-
-inline void QMarginsF::setTop(qreal atop) Q_DECL_NOTHROW
-{ m_top = atop; }
-
-inline void QMarginsF::setRight(qreal aright) Q_DECL_NOTHROW
-{ m_right = aright; }
-
-inline void QMarginsF::setBottom(qreal abottom) Q_DECL_NOTHROW
-{ m_bottom = abottom; }
-
-Q_DECL_CONSTEXPR inline bool operator==(const QMarginsF &lhs, const QMarginsF &rhs) Q_DECL_NOTHROW
-{
-    return qFuzzyCompare(lhs.left(), rhs.left())
-           && qFuzzyCompare(lhs.top(), rhs.top())
-           && qFuzzyCompare(lhs.right(), rhs.right())
-           && qFuzzyCompare(lhs.bottom(), rhs.bottom());
-}
-
-Q_DECL_CONSTEXPR inline bool operator!=(const QMarginsF &lhs, const QMarginsF &rhs) Q_DECL_NOTHROW
-{
-    return !operator==(lhs, rhs);
-}
-
-Q_DECL_CONSTEXPR inline QMarginsF operator+(const QMarginsF &lhs, const QMarginsF &rhs) Q_DECL_NOTHROW
-{
-    return QMarginsF(lhs.left() + rhs.left(), lhs.top() + rhs.top(),
-                     lhs.right() + rhs.right(), lhs.bottom() + rhs.bottom());
-}
-
-Q_DECL_CONSTEXPR inline QMarginsF operator-(const QMarginsF &lhs, const QMarginsF &rhs) Q_DECL_NOTHROW
-{
-    return QMarginsF(lhs.left() - rhs.left(), lhs.top() - rhs.top(),
-                     lhs.right() - rhs.right(), lhs.bottom() - rhs.bottom());
-}
-
-Q_DECL_CONSTEXPR inline QMarginsF operator+(const QMarginsF &lhs, qreal rhs) Q_DECL_NOTHROW
-{
-    return QMarginsF(lhs.left() + rhs, lhs.top() + rhs,
-                     lhs.right() + rhs, lhs.bottom() + rhs);
-}
-
-Q_DECL_CONSTEXPR inline QMarginsF operator+(qreal lhs, const QMarginsF &rhs) Q_DECL_NOTHROW
-{
-    return QMarginsF(rhs.left() + lhs, rhs.top() + lhs,
-                     rhs.right() + lhs, rhs.bottom() + lhs);
-}
-
-Q_DECL_CONSTEXPR inline QMarginsF operator-(const QMarginsF &lhs, qreal rhs) Q_DECL_NOTHROW
-{
-    return QMarginsF(lhs.left() - rhs, lhs.top() - rhs,
-                     lhs.right() - rhs, lhs.bottom() - rhs);
-}
-
-Q_DECL_CONSTEXPR inline QMarginsF operator*(const QMarginsF &lhs, qreal rhs) Q_DECL_NOTHROW
-{
-    return QMarginsF(lhs.left() * rhs, lhs.top() * rhs,
-                     lhs.right() * rhs, lhs.bottom() * rhs);
-}
-
-Q_DECL_CONSTEXPR inline QMarginsF operator*(qreal lhs, const QMarginsF &rhs) Q_DECL_NOTHROW
-{
-    return QMarginsF(rhs.left() * lhs, rhs.top() * lhs,
-                     rhs.right() * lhs, rhs.bottom() * lhs);
-}
-
-Q_DECL_CONSTEXPR inline QMarginsF operator/(const QMarginsF &lhs, qreal divisor)
-{
-    return QMarginsF(lhs.left() / divisor, lhs.top() / divisor,
-                     lhs.right() / divisor, lhs.bottom() / divisor);
-}
-
-inline QMarginsF &QMarginsF::operator+=(const QMarginsF &margins) Q_DECL_NOTHROW
-{
-    return *this = *this + margins;
-}
-
-inline QMarginsF &QMarginsF::operator-=(const QMarginsF &margins) Q_DECL_NOTHROW
-{
-    return *this = *this - margins;
-}
-
-inline QMarginsF &QMarginsF::operator+=(qreal addend) Q_DECL_NOTHROW
-{
-    m_left += addend;
-    m_top += addend;
-    m_right += addend;
-    m_bottom += addend;
-    return *this;
-}
-
-inline QMarginsF &QMarginsF::operator-=(qreal subtrahend) Q_DECL_NOTHROW
-{
-    m_left -= subtrahend;
-    m_top -= subtrahend;
-    m_right -= subtrahend;
-    m_bottom -= subtrahend;
-    return *this;
-}
-
-inline QMarginsF &QMarginsF::operator*=(qreal factor) Q_DECL_NOTHROW
-{
-    return *this = *this * factor;
-}
-
-inline QMarginsF &QMarginsF::operator/=(qreal divisor)
-{
-    return *this = *this / divisor;
-}
-
-Q_DECL_CONSTEXPR inline QMarginsF operator+(const QMarginsF &margins) Q_DECL_NOTHROW
-{
-    return margins;
-}
-
-Q_DECL_CONSTEXPR inline QMarginsF operator-(const QMarginsF &margins) Q_DECL_NOTHROW
-{
-    return QMarginsF(-margins.left(), -margins.top(), -margins.right(), -margins.bottom());
-}
-
-Q_DECL_CONSTEXPR inline QMargins QMarginsF::toMargins() const Q_DECL_NOTHROW
-{
-    return QMargins(qRound(m_left), qRound(m_top), qRound(m_right), qRound(m_bottom));
-}
-
-#ifndef QT_NO_DEBUG_STREAM
-Q_CORE_EXPORT QDebug operator<<(QDebug, const QMarginsF &);
-#endif
-
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 3, 0)
-#endif // QMARGINSF_H

src/libs/vmisc/def.cpp

@@ -307,17 +307,6 @@ QSharedPointer<QPrinter> PreparePrinter(const QPrinterInfo &info, QPrinter::Prin
     QPrinterInfo tmpInfo = info;
     if(tmpInfo.isNull() || tmpInfo.printerName().isEmpty())
     {
-#if QT_VERSION < QT_VERSION_CHECK(5, 3, 0)
-        const QList<QPrinterInfo> list = QPrinterInfo::availablePrinters();
-        if(list.isEmpty())
-        {
-            return QSharedPointer<QPrinter>();
-        }
-        else
-        {
-            tmpInfo = list.first();
-        }
-#else
         const QStringList list = QPrinterInfo::availablePrinterNames();
         if(list.isEmpty())
         {
@@ -327,7 +316,6 @@ QSharedPointer<QPrinter> PreparePrinter(const QPrinterInfo &info, QPrinter::Prin
         {
             tmpInfo = QPrinterInfo::printerInfo(list.first());
         }
-#endif
     }
 
     auto printer = QSharedPointer<QPrinter>(new QPrinter(tmpInfo, mode));
@@ -338,7 +326,6 @@ QSharedPointer<QPrinter> PreparePrinter(const QPrinterInfo &info, QPrinter::Prin
 //---------------------------------------------------------------------------------------------------------------------
 QMarginsF GetMinPrinterFields(const QSharedPointer<QPrinter> &printer)
 {
-#if QT_VERSION >= QT_VERSION_CHECK(5, 3, 0)
     QPageLayout layout = printer->pageLayout();
     layout.setUnits(QPageLayout::Millimeter);
     const QMarginsF minMargins = layout.minimumMargins();
@@ -349,12 +336,6 @@ QMarginsF GetMinPrinterFields(const QSharedPointer<QPrinter> &printer)
     min.setTop(UnitConvertor(minMargins.top(), Unit::Mm, Unit::Px));
     min.setBottom(UnitConvertor(minMargins.bottom(), Unit::Mm, Unit::Px));
     return min;
-#else
-    auto tempPrinter = QSharedPointer<QPrinter>(new QPrinter(QPrinterInfo(* printer)));
-    tempPrinter->setFullPage(false);
-    tempPrinter->setPageMargins(0, 0, 0, 0, QPrinter::Millimeter);
-    return GetPrinterFields(tempPrinter);
-#endif //QT_VERSION >= QT_VERSION_CHECK(5, 3, 0)
 }
 
 //---------------------------------------------------------------------------------------------------------------------

src/libs/vmisc/def.h

@@ -36,6 +36,7 @@
 #include <Qt>
 #include <QtGlobal>
 #include <csignal>
+#include <QMargins>
 #ifdef Q_OS_WIN
     #include <windows.h>
 #endif /* Q_OS_WIN */
@@ -44,12 +45,6 @@
 #include "debugbreak.h"
 #include "defglobal.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 3, 0)
-#   include "backport/qmarginsf.h"
-#else
-#   include <QMargins>
-#endif
-
 template <class T> class QSharedPointer;
 
 #include <ciso646>

src/libs/vmisc/logging.h

@@ -1,49 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2014 Digia Plc.
-** Contact: http://www.qt-project.org/legal
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-****************************************************************************/
-
-#ifndef LOGGING_H
-#define LOGGING_H
-
-#include <QtGlobal>
-
-// Backport useful macros
-#if QT_VERSION < QT_VERSION_CHECK(5, 4, 0)
-#   ifndef qUtf8Printable
-#       define qUtf8Printable(string) QString(string).toUtf8().constData()
-#   endif
-#endif
-
-#include <QLoggingCategory>
-
-#if QT_VERSION < QT_VERSION_CHECK(5, 3, 0)
-
-// printf style for qCDebug was only added in Qt 5.3
-
-#undef qCDebug
-#undef qCWarning
-#undef qCCritical
-
-#define qCDebug(category, ...) \
-    for (bool q_category_enabled = category().isDebugEnabled(); q_category_enabled; q_category_enabled = false)  \
-        QMessageLogger(__FILE__, __LINE__, Q_FUNC_INFO, category().categoryName()).debug(__VA_ARGS__)
-#define qCWarning(category, ...) \
-    for (bool q_category_enabled = category().isWarningEnabled(); q_category_enabled; q_category_enabled = false)  \
-        QMessageLogger(__FILE__, __LINE__, Q_FUNC_INFO, category().categoryName()).warning(__VA_ARGS__)
-#define qCCritical(category, ...) \
-    for (bool q_category_enabled = category().isCriticalEnabled(); q_category_enabled; q_category_enabled = false)  \
-        QMessageLogger(__FILE__, __LINE__, Q_FUNC_INFO, category().categoryName()).critical(__VA_ARGS__)
-
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 3, 0)
-
-#endif // LOGGING_H

src/libs/vmisc/qt_dispatch/qt_dispatch.h

@@ -15,8 +15,6 @@
 #include <functional>
 #include <cassert>
 
-#include "logging.h"
-
 typedef std::function<void()> voidBlock;
 
 class WorkerClass : public QObject

src/libs/vmisc/vabstractapplication.cpp

@@ -30,6 +30,7 @@
 
 #include <QDir>
 #include <QLibraryInfo>
+#include <QLoggingCategory>
 #include <QMessageLogger>
 #include <QStaticStringData>
 #include <QStringData>
@@ -40,7 +41,6 @@
 #include <QtDebug>
 
 #include "../vmisc/def.h"
-#include "../vmisc/logging.h"
 
 //---------------------------------------------------------------------------------------------------------------------
 VAbstractApplication::VAbstractApplication(int &argc, char **argv)
@@ -66,15 +66,6 @@ VAbstractApplication::VAbstractApplication(int &argc, char **argv)
 {
     QString rules;
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 3, 0)
-    // In Qt 5.2 need manualy enable debug information for categories. This work
-    // because Qt doesn't provide debug information for categories itself. And in this
-    // case will show our messages. Another situation with Qt 5.3 that has many debug
-    // messages itself. We don't need this information and can turn on later if need.
-    // But here Qt already show our debug messages without enabling.
-    rules += QLatin1String("*.debug=true\n");
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 3, 0)
-
 #if QT_VERSION >= QT_VERSION_CHECK(5, 4, 1)
 #if defined(V_NO_ASSERT)
     // Ignore SSL-related warnings

src/libs/vmisc/vmisc.pri

@@ -20,7 +20,6 @@ SOURCES += \
 HEADERS += \
     $$PWD/stable.h \
     $$PWD/def.h \
-    $$PWD/logging.h \
     $$PWD/vmath.h \
     $$PWD/vsettings.h \
     $$PWD/vabstractapplication.h \
@@ -51,11 +50,9 @@ HEADERS += \
 
 
 contains(QT_VERSION, ^5\\.[0-2]\\.[0-2]$) { # Since Qt 5.3.0
-    HEADERS += \
-        $$PWD/backport/qmarginsf.h
+    HEADERS +=
 
-    SOURCES += \
-        $$PWD/backport/qmarginsf.cpp
+    SOURCES +=
 }
 
 FORMS    += \

src/libs/vmisc/vmisc.pro

@@ -17,13 +17,7 @@ TEMPLATE = lib
 
 CONFIG += staticlib # Making static library
 
-# Since Q5.4 available support C++14
-greaterThan(QT_MAJOR_VERSION, 4):greaterThan(QT_MINOR_VERSION, 3) {
-    CONFIG += c++14
-} else {
-    # We use C++11 standard
-    CONFIG += c++11
-}
+CONFIG += c++14
 
 # Use out-of-source builds (shadow builds)
 CONFIG -= debug_and_release debug_and_release_target

src/libs/vmisc/vsettings.h

@@ -34,6 +34,7 @@
 #include <QSettings>
 #include <QString>
 #include <QtGlobal>
+#include <QMargins>
 
 #include "../vmisc/def.h"
 #include "../vlayout/vbank.h"
@@ -41,12 +42,6 @@
 
 template <class T> class QSharedPointer;
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 3, 0)
-#   include "../vmisc/backport/qmarginsf.h"
-#else
-#   include <QMargins>
-#endif
-
 class VSettings : public VCommonSettings
 {
     Q_OBJECT

src/libs/vobj/vobj.pro

@@ -15,13 +15,7 @@ TEMPLATE = lib
 
 CONFIG += staticlib # Making static library
 
-# Since Q5.4 available support C++14
-greaterThan(QT_MAJOR_VERSION, 4):greaterThan(QT_MINOR_VERSION, 3) {
-    CONFIG += c++14
-} else {
-    # We use C++11 standard
-    CONFIG += c++11
-}
+CONFIG += c++14
 
 # Use out-of-source builds (shadow builds)
 CONFIG -= debug_and_release debug_and_release_target

src/libs/vpatterndb/vcontainer.cpp

@@ -32,6 +32,7 @@
 #include <QVector>
 #include <QtDebug>
 #include <QUuid>
+#include <QLoggingCategory>
 
 #include "../ifc/exception/vexception.h"
 #include "../vgeometry/vabstractcubicbezierpath.h"
@@ -43,7 +44,6 @@
 #include "../vgeometry/varc.h"
 #include "../vgeometry/vellipticalarc.h"
 #include "../vmisc/diagnostic.h"
-#include "../vmisc/logging.h"
 #include "../vmisc/vabstractapplication.h"
 #include "variables/varcradius.h"
 #include "variables/vcurveangle.h"

src/libs/vpatterndb/vpatterndb.pro

@@ -17,13 +17,7 @@ TEMPLATE = lib
 
 CONFIG += staticlib # Making static library
 
-# Since Q5.4 available support C++14
-greaterThan(QT_MAJOR_VERSION, 4):greaterThan(QT_MINOR_VERSION, 3) {
-    CONFIG += c++14
-} else {
-    # We use C++11 standard
-    CONFIG += c++11
-}
+CONFIG += c++14
 
 # Use out-of-source builds (shadow builds)
 CONFIG -= debug_and_release debug_and_release_target

src/libs/vpropertyexplorer/vpropertyexplorer.pro

@@ -19,13 +19,7 @@ TARGET = vpropertyexplorer
 # We want create library
 TEMPLATE = lib
 
-# Since Q5.4 available support C++14
-greaterThan(QT_MAJOR_VERSION, 4):greaterThan(QT_MINOR_VERSION, 3) {
-    CONFIG += c++14
-} else {
-    # We use C++11 standard
-    CONFIG += c++11
-}
+CONFIG += c++14
 
 # The following define makes your compiler emit warnings if you use
 # any feature of Qt which has been marked as deprecated (the exact warnings

src/libs/vpropertyexplorer/vpropertyformwidget.cpp

@@ -25,13 +25,7 @@
 #include <QKeyEvent>
 #include <QLayout>
 #include <QLayoutItem>
-
-#if QT_VERSION < QT_VERSION_CHECK(5, 3, 0)
-#   include "../vmisc/backport/qmarginsf.h"
-#else
-#   include <QMargins>
-#endif
-
+#include <QMargins>
 #include <QStyleOptionViewItem>
 #include <QVariant>
 #include <QWidget>

src/libs/vtest/abstracttest.cpp

@@ -47,7 +47,6 @@
 #include <QtGlobal>
 #include <QLineF>
 
-#include "logging.h"
 #include "vsysexits.h"
 #include "../vgeometry/vgobject.h"
 

src/libs/vtest/vtest.pro

@@ -17,13 +17,7 @@ TEMPLATE = lib
 
 CONFIG += staticlib # Making static library
 
-# Since Q5.4 available support C++14
-greaterThan(QT_MAJOR_VERSION, 4):greaterThan(QT_MINOR_VERSION, 3) {
-    CONFIG += c++14
-} else {
-    # We use C++11 standard
-    CONFIG += c++11
-}
+CONFIG += c++14
 
 # Use out-of-source builds (shadow builds)
 CONFIG -= debug_and_release debug_and_release_target

src/libs/vtools/dialogs/tools/dialogtool.h

@@ -54,7 +54,6 @@
 #include "../ifc/ifcdef.h"
 #include "../vgeometry/vgeometrydef.h"
 #include "../vmisc/def.h"
-#include "../vmisc/logging.h"
 #include "../vmisc/vabstractapplication.h"
 #include "../vmisc/vcommonsettings.h"
 #include "../vwidgets/vmaingraphicsscene.h"

src/libs/vtools/tools/drawTools/operation/flipping/vtoolflippingbyaxis.cpp

@@ -51,7 +51,6 @@
 #include "../vmisc/vabstractapplication.h"
 #include "../vmisc/vcommonsettings.h"
 #include "../vmisc/diagnostic.h"
-#include "../vmisc/logging.h"
 #include "../vpatterndb/vcontainer.h"
 #include "../vpatterndb/vformula.h"
 #include "../ifc/ifcdef.h"

src/libs/vtools/tools/drawTools/operation/flipping/vtoolflippingbyline.cpp

@@ -51,7 +51,6 @@
 #include "../vmisc/vabstractapplication.h"
 #include "../vmisc/vcommonsettings.h"
 #include "../vmisc/diagnostic.h"
-#include "../vmisc/logging.h"
 #include "../vpatterndb/vcontainer.h"
 #include "../vpatterndb/vformula.h"
 #include "../ifc/ifcdef.h"

src/libs/vtools/tools/drawTools/operation/vtoolmove.cpp

@@ -59,7 +59,6 @@
 #include "../vmisc/vabstractapplication.h"
 #include "../vmisc/vcommonsettings.h"
 #include "../vmisc/diagnostic.h"
-#include "../vmisc/logging.h"
 #include "../vpatterndb/vcontainer.h"
 #include "../vpatterndb/vformula.h"
 #include "../ifc/ifcdef.h"

src/libs/vtools/tools/drawTools/operation/vtoolrotation.cpp

@@ -59,7 +59,6 @@
 #include "../vmisc/vabstractapplication.h"
 #include "../vmisc/vcommonsettings.h"
 #include "../vmisc/diagnostic.h"
-#include "../vmisc/logging.h"
 #include "../vpatterndb/vcontainer.h"
 #include "../vpatterndb/vformula.h"
 #include "../ifc/ifcdef.h"

src/libs/vtools/tools/drawTools/toolpoint/tooldoublepoint/vtooldoublepoint.cpp

@@ -45,7 +45,6 @@
 #include "../vgeometry/vgobject.h"
 #include "../vgeometry/vpointf.h"
 #include "../vmisc/vabstractapplication.h"
-#include "../vmisc/logging.h"
 #include "../vpatterndb/vcontainer.h"
 #include "../vwidgets/../ifc/ifcdef.h"
 #include "../vwidgets/vsimplepoint.h"

src/libs/vtools/tools/drawTools/toolpoint/toolsinglepoint/vtoolbasepoint.cpp

@@ -62,7 +62,6 @@
 #include "../vwidgets/vgraphicssimpletextitem.h"
 #include "../vwidgets/vmaingraphicsscene.h"
 #include "../vwidgets/vmaingraphicsview.h"
-#include "../vmisc/logging.h"
 #include "../../../vabstracttool.h"
 #include "../../../vdatatool.h"
 #include "../../vdrawtool.h"

src/libs/vtools/tools/drawTools/toolpoint/toolsinglepoint/vtoolsinglepoint.cpp

@@ -50,7 +50,6 @@
 #include "../ifc/ifcdef.h"
 #include "../ifc/xml/vabstractpattern.h"
 #include "../vmisc/diagnostic.h"
-#include "../vmisc/logging.h"
 #include "../vgeometry/vgobject.h"
 #include "../vgeometry/vpointf.h"
 #include "../vmisc/vabstractapplication.h"

src/libs/vtools/tools/drawTools/vdrawtool.cpp

@@ -45,7 +45,6 @@
 #include "../../undocommands/savetooloptions.h"
 #include "../qmuparser/qmuparsererror.h"
 #include "../vpatterndb/vcontainer.h"
-#include "../vmisc/logging.h"
 #include "../vabstracttool.h"
 
 template <class T> class QSharedPointer;

src/libs/vtools/tools/vabstracttool.cpp

@@ -70,7 +70,6 @@
 #include "../vgeometry/varc.h"
 #include "../vgeometry/vellipticalarc.h"
 #include "../vmisc/vcommonsettings.h"
-#include "../vmisc/logging.h"
 #include "../vpatterndb/vcontainer.h"
 #include "../vpatterndb/vpiecenode.h"
 #include "../vpatterndb/calculator.h"

src/libs/vtools/tools/vdatatool.h

@@ -34,8 +34,8 @@
 #include <QObject>
 #include <QString>
 #include <QtGlobal>
+#include <QLoggingCategory>
 
-#include "../vmisc/logging.h"
 #include "../vpatterndb/vcontainer.h"
 
 Q_DECLARE_LOGGING_CATEGORY(vTool)

src/libs/vtools/tools/vtoolseamallowance.cpp

@@ -1348,7 +1348,6 @@ void VToolSeamAllowance::RefreshGeometry(bool updateChildren)
         m_seamAllowance->setPath(QPainterPath());
     }
 
-#if QT_VERSION >= QT_VERSION_CHECK(5, 4, 0)
     if (qApp->IsAppInGUIMode())
     {
         QTimer::singleShot(100, Qt::CoarseTimer, this, [this, updateChildren]()
@@ -1376,16 +1375,6 @@ void VToolSeamAllowance::RefreshGeometry(bool updateChildren)
             UpdateInternalPaths();
         }
     }
-#else
-    UpdateDetailLabel();
-    UpdatePatternInfo();
-    UpdateGrainline();
-    UpdateExcludeState();
-    if (updateChildren)
-    {
-        UpdateInternalPaths();
-    }
-#endif
 
     m_passmarks->setPath(futurePassmarks.result());
 

src/libs/vtools/tools/vtooluniondetails.cpp

@@ -57,7 +57,6 @@
 #include "../vgeometry/vsplinepoint.h"
 #include "../vgeometry/vplacelabelitem.h"
 #include "../vmisc/diagnostic.h"
-#include "../vmisc/logging.h"
 #include "../vmisc/vabstractapplication.h"
 #include "../vpatterndb/vcontainer.h"
 #include "../vpatterndb/vpiecepath.h"

src/libs/vtools/undocommands/addgroup.cpp

@@ -31,7 +31,6 @@
 #include <QDomNode>
 #include <QDomNodeList>
 
-#include "../vmisc/logging.h"
 #include "../vmisc/vabstractapplication.h"
 #include "../vmisc/def.h"
 #include "../vwidgets/vmaingraphicsview.h"

src/libs/vtools/undocommands/additemtogroup.cpp

@@ -31,7 +31,6 @@
 #include <QDomNode>
 #include <QDomNodeList>
 
-#include "../vmisc/logging.h"
 #include "../vmisc/vabstractapplication.h"
 #include "../vmisc/def.h"
 #include "../vwidgets/vmaingraphicsview.h"

src/libs/vtools/undocommands/addpatternpiece.cpp

@@ -29,7 +29,6 @@
 #include "addpatternpiece.h"
 
 #include "../vmisc/def.h"
-#include "../vmisc/logging.h"
 #include "../ifc/xml/vabstractpattern.h"
 #include "vundocommand.h"
 

src/libs/vtools/undocommands/addtocalc.cpp

@@ -33,7 +33,6 @@
 #include "../vwidgets/vmaingraphicsview.h"
 #include "../ifc/xml/vabstractpattern.h"
 #include "../ifc/ifcdef.h"
-#include "../vmisc/logging.h"
 #include "../vmisc/vabstractapplication.h"
 #include "../vmisc/customevents.h"
 #include "vundocommand.h"

src/libs/vtools/undocommands/deletepatternpiece.cpp

@@ -31,7 +31,6 @@
 #include <QDomNode>
 #include <QDomNodeList>
 
-#include "../vmisc/logging.h"
 #include "../vmisc/vabstractapplication.h"
 #include "../ifc/xml/vabstractpattern.h"
 #include "vundocommand.h"

src/libs/vtools/undocommands/deletepiece.cpp

@@ -34,7 +34,6 @@
 #include "../ifc/ifcdef.h"
 #include "../ifc/xml/vabstractpattern.h"
 #include "../ifc/xml/vdomdocument.h"
-#include "../vmisc/logging.h"
 #include "../vmisc/def.h"
 #include "../tools/vdatatool.h"
 #include "vundocommand.h"

src/libs/vtools/undocommands/delgroup.cpp

@@ -32,7 +32,6 @@
 #include <QDomNode>
 #include <QDomNodeList>
 
-#include "../vmisc/logging.h"
 #include "../vmisc/vabstractapplication.h"
 #include "../vmisc/def.h"
 #include "../vwidgets/vmaingraphicsview.h"

src/libs/vtools/undocommands/deltool.cpp

@@ -32,7 +32,6 @@
 
 #include "../ifc/ifcdef.h"
 #include "../ifc/xml/vabstractpattern.h"
-#include "../vmisc/logging.h"
 #include "../vmisc/vabstractapplication.h"
 #include "vundocommand.h"
 

src/libs/vtools/undocommands/label/moveabstractlabel.cpp

@@ -30,7 +30,6 @@
 
 #include <QDomElement>
 
-#include "../vmisc/logging.h"
 #include "../vmisc/vabstractapplication.h"
 #include "../vwidgets/vmaingraphicsview.h"
 #include "../vundocommand.h"

src/libs/vtools/undocommands/label/movedoublelabel.cpp

@@ -32,7 +32,6 @@
 
 #include "../ifc/ifcdef.h"
 #include "../ifc/xml/vabstractpattern.h"
-#include "../vmisc/logging.h"
 #include "../vmisc/vabstractapplication.h"
 #include "../vmisc/def.h"
 #include "../vundocommand.h"

src/libs/vtools/undocommands/label/movelabel.cpp

@@ -33,7 +33,6 @@
 #include "../ifc/ifcdef.h"
 #include "../ifc/xml/vabstractpattern.h"
 #include "../vmisc/def.h"
-#include "../vmisc/logging.h"
 #include "../vmisc/vabstractapplication.h"
 #include "../vundocommand.h"
 #include "moveabstractlabel.h"

src/libs/vtools/undocommands/label/operationmovelabel.cpp

@@ -33,7 +33,6 @@
 
 #include "../ifc/xml/vabstractpattern.h"
 #include "../ifc/ifcdef.h"
-#include "../vmisc/logging.h"
 #include "../vmisc/vabstractapplication.h"
 #include "../vmisc/def.h"
 #include "../vundocommand.h"

src/libs/vtools/undocommands/label/operationshowlabel.cpp

@@ -31,7 +31,6 @@
 #include <QDomElement>
 
 #include "../ifc/xml/vabstractpattern.h"
-#include "../vmisc/logging.h"
 #include "../vwidgets/vmaingraphicsview.h"
 #include "../vmisc/vabstractapplication.h"
 #include "../vtools/tools/drawTools/vdrawtool.h"

src/libs/vtools/undocommands/label/showdoublelabel.cpp

@@ -31,7 +31,6 @@
 #include <QDomElement>
 
 #include "../ifc/xml/vabstractpattern.h"
-#include "../vmisc/logging.h"
 #include "../vwidgets/vmaingraphicsview.h"
 #include "../vmisc/vabstractapplication.h"
 #include "../vtools/tools/drawTools/vdrawtool.h"

src/libs/vtools/undocommands/label/showlabel.cpp

@@ -31,7 +31,6 @@
 #include <QDomElement>
 
 #include "../ifc/xml/vabstractpattern.h"
-#include "../vmisc/logging.h"
 #include "../vwidgets/vmaingraphicsview.h"
 #include "../vmisc/vabstractapplication.h"
 #include "../vtools/tools/drawTools/vdrawtool.h"

src/libs/vtools/undocommands/movepiece.cpp

@@ -32,7 +32,6 @@
 
 #include "../ifc/xml/vabstractpattern.h"
 #include "../ifc/ifcdef.h"
-#include "../vmisc/logging.h"
 #include "../vmisc/vabstractapplication.h"
 #include "../vmisc/def.h"
 #include "../vwidgets/vmaingraphicsview.h"

src/libs/vtools/undocommands/movespline.cpp

@@ -32,7 +32,6 @@
 
 #include "../ifc/ifcdef.h"
 #include "../ifc/xml/vabstractpattern.h"
-#include "../vmisc/logging.h"
 #include "../vmisc/vabstractapplication.h"
 #include "../vmisc/def.h"
 #include "../vwidgets/vmaingraphicsview.h"

src/libs/vtools/undocommands/movesplinepath.cpp

@@ -32,7 +32,6 @@
 
 #include "../ifc/xml/vabstractpattern.h"
 #include "../tools/drawTools/toolcurve/vtoolsplinepath.h"
-#include "../vmisc/logging.h"
 #include "../vmisc/vabstractapplication.h"
 #include "../vmisc/def.h"
 #include "../vwidgets/vmaingraphicsview.h"

src/libs/vtools/undocommands/movespoint.cpp

@@ -32,7 +32,6 @@
 
 #include "../ifc/xml/vabstractpattern.h"
 #include "../ifc/ifcdef.h"
-#include "../vmisc/logging.h"
 #include "../vmisc/vabstractapplication.h"
 #include "../vmisc/def.h"
 #include "vundocommand.h"

src/libs/vtools/undocommands/removeitemfromgroup.cpp

@@ -31,7 +31,6 @@
 #include <QDomNode>
 #include <QDomNodeList>
 
-#include "../vmisc/logging.h"
 #include "../vmisc/vabstractapplication.h"
 #include "../vmisc/def.h"
 #include "../vwidgets/vmaingraphicsview.h"

src/libs/vtools/undocommands/renamepp.cpp

@@ -32,7 +32,6 @@
 #include <QDomElement>
 
 #include "../vmisc/def.h"
-#include "../vmisc/logging.h"
 #include "../ifc/xml/vabstractpattern.h"
 #include "vundocommand.h"
 

src/libs/vtools/undocommands/savepieceoptions.cpp

@@ -35,7 +35,6 @@
 
 #include "../ifc/xml/vabstractpattern.h"
 #include "../ifc/ifcdef.h"
-#include "../vmisc/logging.h"
 #include "../vmisc/def.h"
 #include "../vpatterndb/vpiecenode.h"
 #include "../vpatterndb/floatItemData/vpatternlabeldata.h"

src/libs/vtools/undocommands/savepiecepathoptions.cpp

@@ -33,7 +33,6 @@
 #include <QDebug>
 
 #include "../ifc/xml/vabstractpattern.h"
-#include "../vmisc/logging.h"
 #include "../tools/nodeDetails/vtoolpiecepath.h"
 #include "../tools/vtoolseamallowance.h"
 #include "../vpatterndb/vpiecenode.h"

src/libs/vtools/undocommands/savetooloptions.cpp

@@ -31,7 +31,6 @@
 #include <QDomNode>
 
 #include "../vmisc/def.h"
-#include "../vmisc/logging.h"
 #include "../ifc/xml/vabstractpattern.h"
 #include "vundocommand.h"
 

src/libs/vtools/undocommands/togglepiecestate.cpp

@@ -36,7 +36,6 @@
 #include "../ifc/ifcdef.h"
 #include "../ifc/xml/vabstractpattern.h"
 #include "../vmisc/def.h"
-#include "../vmisc/logging.h"
 #include "../vpatterndb/vcontainer.h"
 #include "../vpatterndb/vpiece.h"
 #include "vundocommand.h"

src/libs/vtools/undocommands/vundocommand.h

@@ -39,7 +39,6 @@
 #include <QtGlobal>
 
 #include "../ifc/xml/vabstractpattern.h"
-#include "../vmisc/logging.h"
 
 Q_DECLARE_LOGGING_CATEGORY(vUndo)
 

src/libs/vtools/visualization/visualization.h

@@ -33,9 +33,9 @@
 #include <QGraphicsItem>
 #include <QObject>
 #include <QtGlobal>
+#include <QLoggingCategory>
 
 #include "../vmisc/def.h"
-#include "../vmisc/logging.h"
 #include "../vmisc/vabstractapplication.h"
 #include "../vwidgets/vmaingraphicsscene.h"
 #include "../vwidgets/vcurvepathitem.h"

src/libs/vtools/vtools.pro

@@ -17,13 +17,7 @@ TEMPLATE = lib
 
 CONFIG += staticlib # Making static library
 
-# Since Q5.4 available support C++14
-greaterThan(QT_MAJOR_VERSION, 4):greaterThan(QT_MINOR_VERSION, 3) {
-    CONFIG += c++14
-} else {
-    # We use C++11 standard
-    CONFIG += c++11
-}
+CONFIG += c++14
 
 # Use out-of-source builds (shadow builds)
 CONFIG -= debug_and_release debug_and_release_target

src/libs/vwidgets/vmaingraphicsview.cpp

@@ -48,12 +48,7 @@
 #include <QThread>
 #include <QGestureEvent>
 #include <QScreen>
-
-#if QT_VERSION >= QT_VERSION_CHECK(5, 4, 0)
-#   include <QOpenGLWidget>
-#else
-#   include <QGLWidget>
-#endif
+#include <QOpenGLWidget>
 
 #include "../vmisc/def.h"
 #include "../vmisc/vmath.h"
@@ -435,7 +430,6 @@ VMainGraphicsView::VMainGraphicsView(QWidget *parent)
     VSettings *settings = qobject_cast<VSettings *>(qApp->Settings());
     if (settings && settings->IsOpenGLRender())
     {
-    #if QT_VERSION >= QT_VERSION_CHECK(5, 4, 0)
         QOpenGLWidget *viewport = new QOpenGLWidget();
         QSurfaceFormat fmt;
         fmt.setSamples(settings->GetGraphicalOutput() ? 10 : 0);
@@ -443,13 +437,6 @@ VMainGraphicsView::VMainGraphicsView(QWidget *parent)
         viewport->setFormat(fmt);
 
         setViewport(viewport);
-    #else
-        QGLWidget *viewport = new QGLWidget();
-        QGLFormat fmt = QGLFormat(QGL::DoubleBuffer|QGL::SampleBuffers);
-        fmt.setStencilBufferSize(8);
-        viewport->setFormat(fmt);
-        setViewport(viewport);
-    #endif
     }
 
     zoom = new GraphicsViewZoom(this);
@@ -726,11 +713,7 @@ void VMainGraphicsView::SetAntialiasing(bool value)
 //---------------------------------------------------------------------------------------------------------------------
 bool VMainGraphicsView::IsOpenGLRender() const
 {
-#if QT_VERSION >= QT_VERSION_CHECK(5, 4, 0)
     QOpenGLWidget *viewport = qobject_cast<QOpenGLWidget *>(this->viewport());
-#else
-    QGLWidget *viewport = qobject_cast<QGLWidget *>(this->viewport());
-#endif
     if (viewport)
     {
         return true;

src/libs/vwidgets/vwidgetpopup.cpp

@@ -136,10 +136,6 @@ void VWidgetPopup::Show(QPoint coord)
 
     if (lifeTime > 0)
     {
-#if QT_VERSION >= QT_VERSION_CHECK(5, 4, 0)
         QTimer::singleShot(lifeTime, this, &QWidget::close);
-#else
-        QTimer::singleShot(lifeTime, this, SLOT(close()));
-#endif
     }
 }

src/libs/vwidgets/vwidgets.pro

@@ -9,11 +9,6 @@ include(../../../common.pri)
 
 QT += widgets printsupport
 
-# Don't use Qt OpenGL module since Q5.4
-equals(QT_MAJOR_VERSION, 5):lessThan(QT_MINOR_VERSION, 4) {
-    QT += opengl
-}
-
 # Name of the library
 TARGET = vwidgets
 
@@ -22,13 +17,7 @@ TEMPLATE = lib
 
 CONFIG += staticlib # Making static library
 
-# Since Q5.4 available support C++14
-greaterThan(QT_MAJOR_VERSION, 4):greaterThan(QT_MINOR_VERSION, 3) {
-    CONFIG += c++14
-} else {
-    # We use C++11 standard
-    CONFIG += c++11
-}
+CONFIG += c++14
 
 # Use out-of-source builds (shadow builds)
 CONFIG -= debug_and_release debug_and_release_target

src/test/CollectionTest/CollectionTest.pro

@@ -6,11 +6,6 @@
 
 QT       += testlib widgets printsupport concurrent
 
-# Don't use Qt OpenGL module since Q5.4
-equals(QT_MAJOR_VERSION, 5):lessThan(QT_MINOR_VERSION, 4) {
-    QT += opengl
-}
-
 QT       -= gui
 
 TARGET = CollectionTest
@@ -36,13 +31,7 @@ DEFINES += QT_DEPRECATED_WARNINGS
 # You can also select to disable deprecated APIs only up to a certain version of Qt.
 #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
 
-# Since Q5.4 available support C++14
-greaterThan(QT_MAJOR_VERSION, 4):greaterThan(QT_MINOR_VERSION, 3) {
-    CONFIG += c++14
-} else {
-    # We use C++11 standard
-    CONFIG += c++11
-}
+CONFIG += c++14
 
 # Use out-of-source builds (shadow builds)
 CONFIG -= app_bundle debug_and_release debug_and_release_target

src/test/ParserTest/ParserTest.pro

@@ -21,13 +21,7 @@ TARGET = ParserTest
 # Console application.
 CONFIG   += console
 
-# Since Q5.4 available support C++14
-greaterThan(QT_MAJOR_VERSION, 4):greaterThan(QT_MINOR_VERSION, 3) {
-    CONFIG += c++14
-} else {
-    # We use C++11 standard
-    CONFIG += c++11
-}
+CONFIG += c++14
 
 # CONFIG += testcase adds a  'make check' which is great. But by default it also
 # adds a 'make install' that installs the test cases, which we do not want.

src/test/ParserTest/main.cpp

@@ -60,10 +60,6 @@ int main(int argc, char *argv[])
     QCoreApplication a(argc, argv);
     qInstallMessageHandler(testMessageOutput);
     qmu::Test::QmuParserTester pt;
-#if QT_VERSION >= QT_VERSION_CHECK(5, 4, 0)
     QTimer::singleShot(0, &pt, &qmu::Test::QmuParserTester::Run);
-#else
-    QTimer::singleShot(0, &pt, SLOT(Run()));
-#endif
     return a.exec();
 }

src/test/TranslationsTest/TranslationsTest.pro

@@ -29,13 +29,7 @@ DEFINES += QT_DEPRECATED_WARNINGS
 # You can also select to disable deprecated APIs only up to a certain version of Qt.
 #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
 
-# Since Q5.4 available support C++14
-greaterThan(QT_MAJOR_VERSION, 4):greaterThan(QT_MINOR_VERSION, 3) {
-    CONFIG += c++14
-} else {
-    # We use C++11 standard
-    CONFIG += c++11
-}
+CONFIG += c++14
 
 # Use out-of-source builds (shadow builds)
 CONFIG -= app_bundle debug_and_release debug_and_release_target

src/test/TranslationsTest/tst_abstractregexp.cpp

@@ -29,8 +29,6 @@
 #include "tst_abstractregexp.h"
 #include "../qmuparser/qmudef.h"
 #include "../qmuparser/qmuformulabase.h"
-
-#include "../vmisc/logging.h"
 #include "../vpatterndb/vtranslatevars.h"
 #include "../ifc/ifcdef.h"
 

src/test/TranslationsTest/tst_buitinregexp.cpp

@@ -28,8 +28,6 @@
 
 #include "tst_buitinregexp.h"
 #include "../qmuparser/qmudef.h"
-
-#include "../vmisc/logging.h"
 #include "../vpatterndb/vtranslatevars.h"
 #include "../ifc/ifcdef.h"
 

src/test/TranslationsTest/tst_measurementregexp.cpp

@@ -29,7 +29,6 @@
 #include "tst_measurementregexp.h"
 #include "../qmuparser/qmudef.h"
 
-#include "../vmisc/logging.h"
 #include "../vpatterndb/vtranslatevars.h"
 #include "../vpatterndb/measurements.h"
 #include "../ifc/ifcdef.h"

src/test/TranslationsTest/tst_qmuparsererrormsg.cpp

@@ -28,7 +28,6 @@
 
 #include "tst_qmuparsererrormsg.h"
 #include "../vmisc/def.h"
-#include "../vmisc/logging.h"
 
 #include <QtTest>
 

src/test/TranslationsTest/tst_tstranslation.cpp

@@ -27,7 +27,6 @@
  *************************************************************************/
 
 #include "tst_tstranslation.h"
-#include "../vmisc/logging.h"
 #include "../vmisc/def.h"
 
 #include <QDomDocument>

src/test/ValentinaTest/ValentinaTest.pro

@@ -6,11 +6,6 @@
 
 QT += core testlib gui printsupport xml xmlpatterns concurrent
 
-# Don't use Qt OpenGL module since Q5.4
-equals(QT_MAJOR_VERSION, 5):lessThan(QT_MINOR_VERSION, 4) {
-    QT += opengl
-}
-
 TARGET = ValentinaTests
 
 # File with common stuff for whole project
@@ -32,13 +27,7 @@ DEFINES += QT_DEPRECATED_WARNINGS
 # You can also select to disable deprecated APIs only up to a certain version of Qt.
 #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
 
-# Since Q5.4 available support C++14
-greaterThan(QT_MAJOR_VERSION, 4):greaterThan(QT_MINOR_VERSION, 3) {
-    CONFIG += c++14
-} else {
-    # We use C++11 standard
-    CONFIG += c++11
-}
+CONFIG += c++14
 
 # Use out-of-source builds (shadow builds)
 CONFIG -= app_bundle debug_and_release debug_and_release_target