Minimal Qt version increased to Qt 5.15. Minimal C++ standard to C++17.

ChangeLog.txt

@@ -62,6 +62,7 @@
 - Puzzle app. Horizontal piece flipping.
 - Mirror line.
 - Fold line.
+- Minimal Qt version increased to Qt 5.15. Minimal C++ standard to C++17.
 
 # Valentina 0.7.52 September 12, 2022
 - Fix crash when default locale is ru.

appveyor.yml

@@ -159,18 +159,6 @@ environment:
       DEPLOY: true
       RUN_TESTS: true
 
-    - job_name: Windows_Qt_5_6_(GCC_x86)
-      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-      COMPILER: mingw
-      QT: Qt\5.6\mingw49_32
-      QT_VERSION: Qt5_6
-      BUILD_SYSTEM: "make"
-      MINGW_PATH: C:\Qt\Tools\mingw492_32\bin
-      ARCH: x86
-      PYTHON: "C:\\Python38"
-      PLATFORM: "WindowsXP+"
-      DEPLOY: true
-
     - job_name: Windows_Qt_5_15_(make_GCC_x86)
       APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
       COMPILER: mingw
@@ -259,18 +247,6 @@ environment:
       PLATFORM: "macOS_10.13+"
       DEPLOY: false 
 
-    - job_name: Windows_Qt_5_6_(MSVC_x64)
-      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-      COMPILER: msvc
-      QT: Qt\5.6\msvc2015_64
-      QT_VERSION: Qt5_6
-      BUILD_SYSTEM: "nmake"
-      VSVER: 14
-      ARCH: x64
-      PYTHON: "C:\\Python38-x64"
-      PLATFORM: "WindowsXP+"
-      DEPLOY: false
-
 matrix:
   fast_finish: false
   exclude:
@@ -286,8 +262,6 @@ matrix:
       job_name: Windows_Qt_5_15_(qbs_GCC_x64)
     - platform: x86
       job_name: Windows_Qt_5_15_(qbs_MSVC_x64)
-    - platform: x86
-      job_name: Windows_Qt_5_6_(MSVC_x64)
     - platform: x86
       job_name: MacOS_12_Qt_6_4 (multibundle)
     - platform: x86
@@ -302,8 +276,6 @@ matrix:
       job_name: Windows_Qt_5_15_(make_GCC_x86)
     - platform: x64
       job_name: Windows_Qt_5_15_(qbs_GCC_x86)   
-    - platform: x64
-      job_name: Windows_Qt_5_6_(GCC_x86)
 
 for:
 
@@ -449,8 +421,6 @@ for:
       - job_name: Windows_Qt_5_15_(make_GCC_x86)
       - job_name: Windows_Qt_5_15_(make_GCC_x64)
       - job_name: Windows_Qt_5_15_(nmake_MSVC_x64)
-      - job_name: Windows_Qt_5_6_(GCC_x86)
-      - job_name: Windows_Qt_5_6_(MSVC_x64)
 
   # clone directory
   clone_folder: c:\projects\valentina

qbs/imports/VApp.qbs

@@ -42,9 +42,7 @@ CppApplication {
     cpp.cxxLanguageVersion: {
         if (Qt.core.versionMajor >= 6) // Start building with C++20 since Qt 6.0
             return "c++20";
-        else if(Qt.core.versionMajor >= 5 && Qt.core.versionMinor >= 12) // Since Qt 5.12 available support for C++17
         return "c++17";
-        return "c++11";
     }
 
     Properties {
@@ -52,11 +50,7 @@ CppApplication {
         cpp.minimumWindowsVersion: {
             if (Qt.core.versionMajor >= 6)
                 return "6.02"; // should be 10.0
-
-            if (Qt.core.versionMajor >= 5 && Qt.core.versionMinor >= 7)
             return "6.00";
-
-            return "5.01";
         }
     }
 
@@ -80,7 +74,6 @@ CppApplication {
                 files.push("msvcr120.dll");
 
             // Minimal supported OpenSSL version since Qt 5.12.4 is 1.1.1.
-            if (Utilities.versionCompare(Qt.core.version, "5.12.4") >= 0) {
             if (qbs.architecture.contains("x86_64")) {
                 files.push(
                     "openssl/win64/libcrypto-1_1-x64.dll",
@@ -92,19 +85,7 @@ CppApplication {
                     "openssl/win32/libssl-1_1.dll"
                 );
             }
-            } else {
+
-                if (qbs.architecture.contains("x86_64")) {
-                    files.push(
-                        "openssl/win64/libeay32.dll",
-                        "openssl/win64/ssleay32.dll"
-                    );
-                } else {
-                    files.push(
-                        "openssl/win32/libeay32.dll",
-                        "openssl/win32/ssleay32.dll"
-                    );
-                }
-            }
             return files;
         }
         qbs.install: true

qbs/imports/VLib.qbs

@@ -26,9 +26,7 @@ Library {
     cpp.cxxLanguageVersion: {
         if (Qt.core.versionMajor >= 6) // Start building with C++20 since Qt 6.0
             return "c++20";
-        else if(Qt.core.versionMajor >= 5 && Qt.core.versionMinor >= 12) // Since Qt 5.12 available support for C++17
         return "c++17";
-        return "c++11";
     }
 
     Properties {
@@ -37,10 +35,7 @@ Library {
             if (Qt.core.versionMajor >= 6)
                 return "6.02"; // should be 10.0
 
-            if (Qt.core.versionMajor >= 5 && Qt.core.versionMinor >= 7)
             return "6.00";
-
-            return "5.01";
         }
     }
 

qbs/modules/buildconfig/buildconfig.qbs

@@ -157,34 +157,8 @@ Module {
             return "10.15"; // Qt 6.4 and above
         }
 
-        if (Qt.core.versionMajor >= 5) {
         // See page https://doc.qt.io/qt-5.15/supported-platforms.html
-            // For qt 5.14 https://doc.qt.io/archives/qt-5.14/supported-platforms.html
-            if (Qt.core.versionMinor >= 14) // Qt 5.14
         return "10.13";
-
-            // For Qt 5.13 https://doc.qt.io/archives/qt-5.13/supported-platforms.html
-            // For Qt 5.12 https://doc.qt.io/archives/qt-5.12/supported-platforms.html
-            if (Qt.core.versionMinor >= 12) // Qt 5.12
-                return "10.12";
-
-            // For older versions https://doc.qt.io/archives/qt-5.11/supported-platforms-and-configurations.html
-            if (Qt.core.versionMinor >= 10) // Qt 5.11 and Qt 5.10
-                return "10.11";
-
-            if (Qt.core.versionMinor >= 9) // Qt 5.9
-                return "10.10";
-
-            if (Qt.core.versionMinor >= 8) // Qt 5.8
-                return "10.9";
-
-            if (Qt.core.versionMinor >= 7) // Qt 5.7
-                return "10.8";
-
-            return "10.7";
-        }
-
-        return undefined;
     }
 
     cpp.separateDebugInformation: true

qbs/modules/ebr/ebr.qbs

@@ -24,14 +24,8 @@ Module {
             var enableCompression = input.moduleProperty("ebr", "enableCompression");
             if (enableCompression) {
                 var compressAlgorithm = input.moduleProperty("ebr", "compressAlgorithm");
-                if (product.Qt.core.versionMajor >= 5 && product.Qt.core.versionMinor >= 13) {
-                    // Since Qt 5.13 we have option to select compress algorithm
                 if (compressAlgorithm !== "zstd")
                     args.push("-compress-algo", compressAlgorithm);
-                } else {
-                    if (compressAlgorithm !== "zlib")
-                        compressAlgorithm = "zlib";
-                }
 
                 var thresholdLevel = input.moduleProperty("ebr", "thresholdLevel");
                 if (thresholdLevel !== 70)

src/app/puzzle/carousel/vpcarrousel.cpp

@@ -32,9 +32,6 @@
 #include <QScrollBar>
 #include <QVBoxLayout>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#include "../vmisc/backport/qoverload.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
 #include "../layout/vplayout.h"
 #include "../layout/vpsheet.h"
 

src/app/puzzle/carousel/vpcarrousel.h

@@ -35,9 +35,6 @@
 #include <QWidget>
 
 #include "../layout/layoutdef.h"
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
 
 namespace Ui
 {

src/app/puzzle/carousel/vpcarrouselpiece.h

@@ -32,9 +32,6 @@
 #include <QMouseEvent>
 
 #include "../layout/layoutdef.h"
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
 
 class VPCarrouselPiece : public QListWidgetItem
 {

src/app/puzzle/carousel/vpcarrouselpiecelist.cpp

@@ -43,10 +43,6 @@
 #include "vpcarrouselpiece.h"
 #include "vpmimedatapiece.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#include "../vmisc/backport/qoverload.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-
 QT_WARNING_PUSH
 QT_WARNING_DISABLE_CLANG("-Wmissing-prototypes")
 QT_WARNING_DISABLE_INTEL(1418)

src/app/puzzle/carousel/vpmimedatapiece.h

@@ -34,9 +34,6 @@
 #include <QUuid>
 
 #include "../layout/layoutdef.h"
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
 
 class VPMimeDataPiece : public QMimeData
 {

src/app/puzzle/dialogs/configpages/puzzlepreferencesconfigurationpage.cpp

@@ -34,10 +34,6 @@
 #include "../vmisc/vabstractshortcutmanager.h"
 #include "ui_puzzlepreferencesconfigurationpage.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#include "../vmisc/backport/qoverload.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-
 #include <QStyleHints>
 
 //---------------------------------------------------------------------------------------------------------------------

src/app/puzzle/dialogs/configpages/puzzlepreferencesconfigurationpage.h

@@ -30,10 +30,6 @@
 
 #include <QWidget>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
-
 namespace Ui
 {
 class PuzzlePreferencesConfigurationPage;

src/app/puzzle/dialogs/configpages/puzzlepreferenceslayoutpage.cpp

@@ -26,15 +26,12 @@
  **
  *************************************************************************/
 #include "puzzlepreferenceslayoutpage.h"
-#include "ui_puzzlepreferenceslayoutpage.h"
 #include "../../vpapplication.h"
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
+#include "ui_puzzlepreferenceslayoutpage.h"
-#include "../vmisc/backport/qoverload.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
 
 //---------------------------------------------------------------------------------------------------------------------
-PuzzlePreferencesLayoutPage::PuzzlePreferencesLayoutPage(QWidget *parent) :
+PuzzlePreferencesLayoutPage::PuzzlePreferencesLayoutPage(QWidget *parent)
-    QWidget(parent),
+  : QWidget(parent),
     ui(new Ui::PuzzlePreferencesLayoutPage)
 {
     ui->setupUi(this);
@@ -49,47 +46,48 @@ PuzzlePreferencesLayoutPage::PuzzlePreferencesLayoutPage(QWidget *parent) :
 
     ReadSettings();
 
-    connect(ui->comboBoxLayoutUnit, QOverload<int>::of(&QComboBox::currentIndexChanged),
+    connect(ui->comboBoxLayoutUnit, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
-            this, &PuzzlePreferencesLayoutPage::ConvertPaperSize);
+            &PuzzlePreferencesLayoutPage::ConvertPaperSize);
 
-    connect(ui->comboBoxSheetTemplates, QOverload<int>::of(&QComboBox::currentIndexChanged),
+    connect(ui->comboBoxSheetTemplates, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
-            this, [this]
+            [this]
             {
-        SheetSize(SheetTemplate()); m_settingsChanged = true;
+                SheetSize(SheetTemplate());
+                m_settingsChanged = true;
             });
-    connect(ui->comboBoxTileTemplates, QOverload<int>::of(&QComboBox::currentIndexChanged),
+    connect(ui->comboBoxTileTemplates, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
-            this, [this]
+            [this]
             {
                 TileSize(TileTemplate());
                 m_settingsChanged = true;
             });
 
-    connect(ui->doubleSpinBoxSheetPaperWidth, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->doubleSpinBoxSheetPaperWidth, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this,
-            this, &PuzzlePreferencesLayoutPage::SheetPaperSizeChanged);
+            &PuzzlePreferencesLayoutPage::SheetPaperSizeChanged);
-    connect(ui->doubleSpinBoxSheetPaperHeight, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->doubleSpinBoxSheetPaperHeight, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this,
-            this, &PuzzlePreferencesLayoutPage::SheetPaperSizeChanged);
+            &PuzzlePreferencesLayoutPage::SheetPaperSizeChanged);
-    connect(ui->doubleSpinBoxTilePaperWidth, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->doubleSpinBoxTilePaperWidth, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this,
-            this, &PuzzlePreferencesLayoutPage::TilePaperSizeChanged);
+            &PuzzlePreferencesLayoutPage::TilePaperSizeChanged);
-    connect(ui->doubleSpinBoxTilePaperHeight, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->doubleSpinBoxTilePaperHeight, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this,
-            this, &PuzzlePreferencesLayoutPage::TilePaperSizeChanged);
+            &PuzzlePreferencesLayoutPage::TilePaperSizeChanged);
 
-    connect(ui->doubleSpinBoxSheetPaperWidth, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->doubleSpinBoxSheetPaperWidth, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this,
-            this, &PuzzlePreferencesLayoutPage::FindSheetTemplate);
+            &PuzzlePreferencesLayoutPage::FindSheetTemplate);
-    connect(ui->doubleSpinBoxSheetPaperHeight, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->doubleSpinBoxSheetPaperHeight, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this,
-            this, &PuzzlePreferencesLayoutPage::FindSheetTemplate);
+            &PuzzlePreferencesLayoutPage::FindSheetTemplate);
-    connect(ui->doubleSpinBoxTilePaperWidth, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->doubleSpinBoxTilePaperWidth, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this,
-            this, &PuzzlePreferencesLayoutPage::FindTileTemplate);
+            &PuzzlePreferencesLayoutPage::FindTileTemplate);
-    connect(ui->doubleSpinBoxTilePaperHeight, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->doubleSpinBoxTilePaperHeight, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this,
-            this, &PuzzlePreferencesLayoutPage::FindTileTemplate);
+            &PuzzlePreferencesLayoutPage::FindTileTemplate);
 
-    connect(ui->doubleSpinBoxSheetPaperWidth, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->doubleSpinBoxSheetPaperWidth, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this,
-            this, &PuzzlePreferencesLayoutPage::CorrectMaxMargins);
+            &PuzzlePreferencesLayoutPage::CorrectMaxMargins);
-    connect(ui->doubleSpinBoxSheetPaperHeight, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->doubleSpinBoxSheetPaperHeight, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this,
-            this, &PuzzlePreferencesLayoutPage::CorrectMaxMargins);
+            &PuzzlePreferencesLayoutPage::CorrectMaxMargins);
-    connect(ui->doubleSpinBoxTilePaperWidth, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->doubleSpinBoxTilePaperWidth, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this,
-            this, &PuzzlePreferencesLayoutPage::CorrectMaxMargins);
+            &PuzzlePreferencesLayoutPage::CorrectMaxMargins);
-    connect(ui->doubleSpinBoxTilePaperHeight, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->doubleSpinBoxTilePaperHeight, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this,
-            this, &PuzzlePreferencesLayoutPage::CorrectMaxMargins);
+            &PuzzlePreferencesLayoutPage::CorrectMaxMargins);
 
     connect(ui->checkBoxLayoutIgnoreFileds, &QCheckBox::stateChanged, this,
             &PuzzlePreferencesLayoutPage::LayoutSheetIgnoreMargins);
@@ -105,28 +103,30 @@ PuzzlePreferencesLayoutPage::PuzzlePreferencesLayoutPage(QWidget *parent) :
     connect(ui->toolButtonTileLandscapeOrientation, &QToolButton::toggled, this,
             &PuzzlePreferencesLayoutPage::SwapTileOrientation);
 
-    connect(ui->doubleSpinBoxSheetMarginLeft, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->doubleSpinBoxSheetMarginLeft, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this,
-            this, [this](){m_settingsChanged=true;});
+            [this]() { m_settingsChanged = true; });
-    connect(ui->doubleSpinBoxSheetMarginRight, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->doubleSpinBoxSheetMarginRight, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this,
-            this, [this](){m_settingsChanged=true;});
+            [this]() { m_settingsChanged = true; });
-    connect(ui->doubleSpinBoxSheetMarginTop, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->doubleSpinBoxSheetMarginTop, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this,
-            this, [this](){m_settingsChanged=true;});
+            [this]() { m_settingsChanged = true; });
-    connect(ui->doubleSpinBoxSheetMarginBottom, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->doubleSpinBoxSheetMarginBottom, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this,
-            this, [this](){m_settingsChanged=true;});
+            [this]() { m_settingsChanged = true; });
 
     connect(ui->checkBoxTileShowTiles, &QCheckBox::stateChanged, this, [this]() { m_settingsChanged = true; });
     connect(ui->checkBoxTileShowWatermark, &QCheckBox::stateChanged, this, [this]() { m_settingsChanged = true; });
     connect(ui->checkBoxTileShowWatermark, &QCheckBox::stateChanged, this, [this]() { m_settingsChanged = true; });
 
-    connect(ui->doubleSpinBoxPiecesGap, QOverload<double>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->doubleSpinBoxPiecesGap, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this,
-            this, [this](){m_settingsChanged=true;});
+            [this]() { m_settingsChanged = true; });
     ui->doubleSpinBoxPiecesGap->setSuffix(UnitsToStr(m_oldLayoutUnit));
 
     ui->spinBoxLineWidth->setSuffix(UnitsToStr(Unit::Px));
 
-    connect(ui->checkBoxWarningPiecesSuperposition, &QCheckBox::stateChanged, this, [this](){m_settingsChanged=true;});
+    connect(ui->checkBoxWarningPiecesSuperposition, &QCheckBox::stateChanged, this,
+            [this]() { m_settingsChanged = true; });
     connect(ui->checkBoxStickyEdges, &QCheckBox::stateChanged, this, [this]() { m_settingsChanged = true; });
-    connect(ui->checkBoxWarningPiecesOutOfBound, &QCheckBox::stateChanged, this, [this](){m_settingsChanged=true;});
+    connect(ui->checkBoxWarningPiecesOutOfBound, &QCheckBox::stateChanged, this,
+            [this]() { m_settingsChanged = true; });
     connect(ui->checkBoxFollowGrainline, &QCheckBox::stateChanged, this, [this]() { m_settingsChanged = true; });
 }
 
@@ -691,8 +691,8 @@ void PuzzlePreferencesLayoutPage::FindTemplate(QComboBox *box, qreal width, qrea
     const int max = static_cast<int>(VAbstractLayoutDialog::PaperSizeTemplate::Custom);
     for (int i = 0; i < max; ++i)
     {
-        const QSizeF tmplSize = VAbstractLayoutDialog::GetTemplateSize(
+        const QSizeF tmplSize =
-                    static_cast<VAbstractLayoutDialog::PaperSizeTemplate>(i), paperUnit);
+            VAbstractLayoutDialog::GetTemplateSize(static_cast<VAbstractLayoutDialog::PaperSizeTemplate>(i), paperUnit);
         if (QSizeF(width, height) == tmplSize || QSizeF(height, width) == tmplSize)
         {
             box->blockSignals(true);

src/app/puzzle/dialogs/configpages/puzzlepreferencespathpage.h

@@ -30,10 +30,6 @@
 
 #include <QWidget>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
-
 namespace Ui
 {
 class PuzzlePreferencesPathPage;

src/app/puzzle/dialogs/dialogpuzzlepreferences.h

@@ -30,10 +30,6 @@
 
 #include <QDialog>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
-
 namespace Ui
 {
 class DialogPuzzlePreferences;

src/app/puzzle/dialogs/dialogsavemanuallayout.cpp

@@ -30,9 +30,6 @@
 #include "../vlayout/vlayoutexporter.h"
 #include "../vpapplication.h"
 #include "ui_dialogsavemanuallayout.h"
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#include "../vmisc/backport/qoverload.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
 
 #include <QMessageBox>
 #include <QShowEvent>

src/app/puzzle/dialogs/vpdialogabout.h

@@ -31,10 +31,6 @@
 
 #include <QDialog>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
-
 namespace Ui
 {
 class VPDialogAbout;

src/app/puzzle/layout/vppiece.h

@@ -37,10 +37,6 @@
 #include "../vlayout/vlayoutpiece.h"
 #include "vpiecegrainline.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-
 class VPLayout;
 class VPSheet;
 

src/app/puzzle/layout/vpsheet.h

@@ -39,10 +39,6 @@
 
 #include "../vmisc/def.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-
 class VPLayout;
 class VPPiece;
 class VMainGraphicsScene;

src/app/puzzle/main.cpp

@@ -32,12 +32,8 @@
 #include "vpapplication.h"
 
 #if defined(APPIMAGE) && defined(Q_OS_LINUX)
-#if QT_VERSION < QT_VERSION_CHECK(5, 12, 0)
-#include "../vmisc/backport/qscopeguard.h"
-#else
-#include <QScopeGuard>
-#endif
 #include "../vmisc/appimage.h"
+#include <QScopeGuard>
 #endif // defined(APPIMAGE) && defined(Q_OS_LINUX)
 
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
@@ -121,11 +117,9 @@ auto main(int argc, char *argv[]) -> int
     VPApplication app(argc, argv);
     app.InitOptions();
 
-    QT_REQUIRE_VERSION(argc, argv, "5.6.0") // clazy:exclude=qstring-arg,qstring-allocations NOLINT
+    QT_REQUIRE_VERSION(argc, argv, "5.15.0") // clazy:exclude=qstring-arg,qstring-allocations NOLINT
 
-#if QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
     VPApplication::setDesktopFileName(QStringLiteral("ua.com.smart-pattern.puzzle.desktop"));
-#endif
 
     QTimer::singleShot(0, &app, &VPApplication::ProcessCMD);
 

src/app/puzzle/scene/vpgraphicspiece.cpp

@@ -135,7 +135,7 @@ inline auto LineFont(const TextLine &tl, const VSvgFont &base) -> VSvgFont
 //---------------------------------------------------------------------------------------------------------------------
 inline auto LineAlign(const TextLine &tl, const QString &text, const QFontMetrics &fm, qreal width) -> qreal
 {
-    const int lineWidth = TextWidth(fm, text);
+    const int lineWidth = fm.horizontalAdvance(text);
 
     qreal dX = 0;
     if (tl.m_eAlign == 0 || (tl.m_eAlign & Qt::AlignLeft) > 0)
@@ -553,7 +553,7 @@ void VPGraphicsPiece::InitPieceLabelOutlineFont(const QVector<QPointF> &labelSha
                 for (auto c : qAsConst(tl.m_qsText))
                 {
                     path.addPath(corrector.DrawChar(w, static_cast<qreal>(fm.ascent()), c));
-                    w += TextWidth(fm, c);
+                    w += fm.horizontalAdvance(c);
                 }
             }
             else

src/app/puzzle/scene/vpgraphicspiece.h

@@ -35,10 +35,6 @@
 #include "../layout/layoutdef.h"
 #include "scenedef.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-
 class VTextManager;
 class VGraphicsFillItem;
 

src/app/puzzle/scene/vpgraphicspiececontrols.h

@@ -34,10 +34,6 @@
 #include "../layout/layoutdef.h"
 #include "scenedef.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-
 class VPLayout;
 class VPGraphicsPiece;
 class QGraphicsView;

src/app/puzzle/scene/vpgraphicssheet.h

@@ -34,9 +34,6 @@
 #include <QPainter>
 
 #include "../layout/layoutdef.h"
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
 
 class VPLayout;
 

src/app/puzzle/scene/vpgraphicstilegrid.h

@@ -35,10 +35,6 @@
 
 #include "../layout/layoutdef.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-
 class VPTileFactory;
 class VPLayout;
 struct VWatermarkData;

src/app/puzzle/undocommands/vpundocommand.h

@@ -28,13 +28,9 @@
 #ifndef VPUNDOCOMMAND_H
 #define VPUNDOCOMMAND_H
 
+#include <QLoggingCategory>
 #include <QObject>
 #include <QUndoCommand>
-#include <QLoggingCategory>
-
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
 
 namespace ML
 {
@@ -58,6 +54,7 @@ Q_DECLARE_LOGGING_CATEGORY(vpUndo) // NOLINT
 class VPUndoCommand : public QObject, public QUndoCommand
 {
     Q_OBJECT // NOLINT
+
 public:
     explicit VPUndoCommand(QUndoCommand *parent = nullptr);
     explicit VPUndoCommand(bool allowMerge = false, QUndoCommand *parent = nullptr);
@@ -72,7 +69,6 @@ private:
     bool m_allowMerge{false};
 };
 
-
 //---------------------------------------------------------------------------------------------------------------------
 inline auto VPUndoCommand::AllowMerge() const -> bool
 {

src/app/puzzle/undocommands/vpundopiecezvaluemove.h

@@ -28,12 +28,8 @@
 #ifndef VPUNDOPIECEZVALUEMOVE_H
 #define VPUNDOPIECEZVALUEMOVE_H
 
-#include "vpundocommand.h"
 #include "../layout/layoutdef.h"
-
+#include "vpundocommand.h"
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
 
 namespace ML
 {
@@ -49,6 +45,7 @@ enum class ZValueMove
 class VPUndoPieceZValueMove : public VPUndoCommand
 {
     Q_OBJECT // NOLINT
+
 public:
     VPUndoPieceZValueMove(const VPPiecePtr &piece, ML::ZValueMove move, QUndoCommand *parent = nullptr);
     ~VPUndoPieceZValueMove() override = default;
@@ -74,6 +71,7 @@ private:
 class VPUndoPiecesZValueMove : public VPUndoCommand
 {
     Q_OBJECT // NOLINT
+
 public:
     VPUndoPiecesZValueMove(const QList<VPPiecePtr> &pieces, ML::ZValueMove move, QUndoCommand *parent = nullptr);
     ~VPUndoPiecesZValueMove() override = default;
@@ -93,8 +91,8 @@ private:
     auto Sheet() const -> VPSheetPtr;
 
     auto PieceIds() const -> QVector<QString>;
-    static auto Levels(const QList<VPPiecePtr> &allPieces, const QVector<QString> &skipPieces,
+    static auto Levels(const QList<VPPiecePtr> &allPieces, const QVector<QString> &skipPieces, bool skip)
-                       bool skip) -> QList<QVector<QString>>;
+        -> QList<QVector<QString>>;
     static auto LevelStep(const QList<VPPiecePtr> &pieces) -> qreal;
 };
 

src/app/puzzle/vpapplication.cpp

@@ -115,26 +115,6 @@ inline void noisyFailureMsgHandler(QtMsgType type, const QMessageLogContext &con
 #endif // defined(V_NO_ASSERT)
 
 #if defined(Q_OS_MAC)
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-    // Try hide very annoying, Qt related, warnings in Mac OS X
-    // QNSView mouseDragged: Internal mouse button tracking invalid (missing Qt::LeftButton)
-    // https://bugreports.qt.io/browse/QTBUG-42846
-    if ((type == QtWarningMsg) && msg.contains(QStringLiteral("QNSView")))
-    {
-        type = QtDebugMsg;
-    }
-#endif
-
-#if QT_VERSION < QT_VERSION_CHECK(5, 9, 0)
-    // Hide Qt bug 'Assertion when reading an icns file'
-    // https://bugreports.qt.io/browse/QTBUG-45537
-    // Remove after Qt fix will be released
-    if ((type == QtWarningMsg) && msg.contains(QStringLiteral("QICNSHandler::read()")))
-    {
-        type = QtDebugMsg;
-    }
-#endif
-
     // Hide anything that starts with QMacCGContext
     if ((type == QtWarningMsg) && msg.contains(QStringLiteral("QMacCGContext::")))
     {

src/app/puzzle/vpcommandline.h

@@ -37,10 +37,6 @@
 #include <ciso646> // and, not, or
 #endif
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
-
 class VPCommandLine;
 using VPCommandLinePtr = std::shared_ptr<VPCommandLine>;
 

src/app/puzzle/vpmainwindow.cpp

@@ -36,6 +36,7 @@
 #include <QPrintPreviewDialog>
 #include <QPrinterInfo>
 #include <QSaveFile>
+#include <QScopeGuard>
 #include <QSvgGenerator>
 #include <QTimer>
 #include <QUndoStack>
@@ -75,16 +76,6 @@
 #include "xml/vplayoutfilereader.h"
 #include "xml/vplayoutfilewriter.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#include "../vmisc/backport/qoverload.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-
-#if QT_VERSION < QT_VERSION_CHECK(5, 12, 0)
-#include "../vmisc/backport/qscopeguard.h"
-#else
-#include <QScopeGuard>
-#endif
-
 QT_WARNING_PUSH
 QT_WARNING_DISABLE_CLANG("-Wmissing-prototypes")
 QT_WARNING_DISABLE_INTEL(1418)
@@ -93,16 +84,7 @@ Q_LOGGING_CATEGORY(pWindow, "p.window") // NOLINT
 
 QT_WARNING_POP
 
-#if (defined(Q_CC_GNU) && Q_CC_GNU < 409) && !defined(Q_CC_CLANG)
-// DO NOT WORK WITH GCC 4.8
-#else
-#if __cplusplus >= 201402L
 using namespace std::chrono_literals;
-#else
-#include "../vmisc/bpstd/chrono.hpp"
-using namespace bpstd::literals::chrono_literals;
-#endif // __cplusplus >= 201402L
-#endif //(defined(Q_CC_GNU) && Q_CC_GNU < 409) && !defined(Q_CC_CLANG)
 
 #if QT_VERSION < QT_VERSION_CHECK(6, 4, 0)
 #include "../vmisc/compatibility.h"
@@ -432,7 +414,7 @@ VPMainWindow::VPMainWindow(const VPCommandLinePtr &cmd, QWidget *parent)
 
     if (m_cmd->IsGuiEnabled())
     {
-        QTimer::singleShot(V_SECONDS(1), this, &VPMainWindow::AskDefaultSettings);
+        QTimer::singleShot(1s, this, &VPMainWindow::AskDefaultSettings);
     }
 
     if (VAbstractShortcutManager *manager = VAbstractApplication::VApp()->GetShortcutManager())
@@ -3483,15 +3465,6 @@ void VPMainWindow::ShowToolTip(const QString &toolTip)
 //---------------------------------------------------------------------------------------------------------------------
 void VPMainWindow::closeEvent(QCloseEvent *event)
 {
-#if defined(Q_OS_MAC) && QT_VERSION < QT_VERSION_CHECK(5, 11, 1)
-    // Workaround for Qt bug https://bugreports.qt.io/browse/QTBUG-43344
-    static int numCalled = 0;
-    if (numCalled++ >= 1)
-    {
-        return;
-    }
-#endif
-
     if (MaybeSave())
     {
         WriteSettings();

src/app/puzzle/vptilefactory.cpp

@@ -102,11 +102,6 @@ auto TriangleBasic() -> QPainterPath
 }
 } // namespace
 
-// See https://stackoverflow.com/a/46719572/3045403
-#if __cplusplus < 201703L                       // C++17
-constexpr qreal VPTileFactory::tileStripeWidth; // NOLINT(readability-redundant-declaration)
-#endif
-
 //---------------------------------------------------------------------------------------------------------------------
 VPTileFactory::VPTileFactory(const VPLayoutPtr &layout, VCommonSettings *commonSettings, QObject *parent)
   : QObject(parent),
@@ -359,7 +354,7 @@ void VPTileFactory::DrawRuler(QPainter *painter, qreal scale) const
             qreal unitsWidth = 0;
             QFontMetrics fm(fnt);
             QString units = rulerUnits != Unit::Inch ? tr("cm", "unit") : tr("in", "unit");
-            unitsWidth = TextWidth(fm, units);
+            unitsWidth = fm.horizontalAdvance(units);
             painter->drawText(QPointF(step * 0.5 - unitsWidth * 0.6,
                                       m_drawingAreaHeight - tileStripeWidth + notchHeight + shortNotchHeight),
                               units);
@@ -629,7 +624,7 @@ void VPTileFactory::DrawTextInformation(QPainter *painter, int row, int col, int
     td.setPageSize(QSizeF(m_drawingAreaHeight - UnitConvertor(2, Unit::Cm, Unit::Px), m_drawingAreaWidth));
 
     QFontMetrics metrix = QFontMetrics(td.defaultFont());
-    int maxWidth = TextWidth(metrix, QString().fill('z', 50));
+    int maxWidth = metrix.horizontalAdvance(QString().fill('z', 50));
     QString clippedSheetName = metrix.elidedText(sheetName, Qt::ElideMiddle, maxWidth);
 
     td.setHtml(QStringLiteral("<table width='100%' style='color:rgb(%1);'>"
@@ -754,11 +749,7 @@ void VPTileFactory::PaintWatermarkImage(QPainter *painter, const QRectF &img, co
         return;
     }
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 10, 0)
-    qint64 fileSize = watermarkImage.byteCount();
-#else
     qint64 fileSize = watermarkImage.sizeInBytes();
-#endif
     qint64 pixelSize = fileSize / watermarkImage.height() / watermarkImage.width();
     QSize scaledSize(qRound(watermarkImage.width() / xScale), qRound(watermarkImage.height() / yScale));
     qint64 scaledImageSize = pixelSize * scaledSize.width() * scaledSize.height() / 1024;

src/app/puzzle/vptilefactory.h

@@ -35,10 +35,6 @@
 #include "../ifc/ifcdef.h"
 #include "layout/layoutdef.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-
 class QGraphicsScene;
 class VCommonSettings;
 class QPainter;

src/app/puzzle/vpuzzleshortcutmanager.h

@@ -30,10 +30,6 @@
 
 #include "../vmisc/vabstractshortcutmanager.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
-
 class VPuzzleShortcutManager : public VAbstractShortcutManager
 {
     Q_OBJECT // NOLINT

src/app/tape/dialogs/configpages/tapepreferencesconfigurationpage.cpp

@@ -37,10 +37,6 @@
 #include "../vmisc/vabstractshortcutmanager.h"
 #include "ui_tapepreferencesconfigurationpage.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#include "../vmisc/backport/qoverload.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-
 #include <QStyleHints>
 
 //---------------------------------------------------------------------------------------------------------------------

src/app/tape/dialogs/configpages/tapepreferencesconfigurationpage.h

@@ -31,10 +31,6 @@
 
 #include <QWidget>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
-
 class QComboBox;
 
 namespace Ui

src/app/tape/dialogs/configpages/tapepreferencespathpage.h

@@ -30,10 +30,6 @@
 
 #include <QWidget>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
-
 namespace Ui
 {
 class TapePreferencesPathPage;

src/app/tape/dialogs/dialogabouttape.h

@@ -31,10 +31,6 @@
 
 #include <QDialog>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
-
 namespace Ui
 {
 class DialogAboutTape;

src/app/tape/dialogs/dialogdimensioncustomnames.h

@@ -32,10 +32,6 @@
 
 #include "../vformat/vdimensions.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-
 namespace Ui
 {
 class DialogDimensionCustomNames;

src/app/tape/dialogs/dialogdimensionlabels.cpp

@@ -27,9 +27,6 @@
  *************************************************************************/
 #include "dialogdimensionlabels.h"
 #include "ui_dialogdimensionlabels.h"
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#include "../vmisc/backport/qoverload.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
 
 //---------------------------------------------------------------------------------------------------------------------
 DialogDimensionLabels::DialogDimensionLabels(const QMap<MeasurementDimension, MeasurementDimension_p> &dimensions,
@@ -212,7 +209,6 @@ auto DialogDimensionLabels::DimensionValue(const MeasurementDimension_p &dimensi
         }
 
         return QString::number(value);
-
     }
 
     if (dimension->Type() == MeasurementDimension::W || dimension->Type() == MeasurementDimension::Z)

src/app/tape/dialogs/dialogknownmeasurementscsvcolumns.cpp

@@ -29,9 +29,6 @@
 #include "ui_dialogknownmeasurementscsvcolumns.h"
 
 #include "../vmisc/qxtcsvmodel.h"
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#include "../vmisc/backport/qoverload.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
 #include "../vtools/dialogs/dialogtoolbox.h"
 
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)

src/app/tape/dialogs/dialogknownmeasurementscsvcolumns.h

@@ -30,10 +30,6 @@
 
 #include <QDialog>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
-
 class QxtCsvModel;
 class QComboBox;
 

src/app/tape/dialogs/dialogmdatabase.h

@@ -32,10 +32,6 @@
 #include <QDialog>
 #include <QUuid>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
-
 namespace Ui
 {
 class DialogMDataBase;

src/app/tape/dialogs/dialogmeasurementscsvcolumns.cpp

@@ -27,12 +27,8 @@
  *************************************************************************/
 #include "dialogmeasurementscsvcolumns.h"
 #include "../vmisc/qxtcsvmodel.h"
-#include "ui_dialogmeasurementscsvcolumns.h"
-
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#include "../vmisc/backport/qoverload.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
 #include "../vtools/dialogs/dialogtoolbox.h"
+#include "ui_dialogmeasurementscsvcolumns.h"
 
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
 #include "../vmisc/vtextcodec.h"

src/app/tape/dialogs/dialogrestrictdimension.cpp

@@ -33,9 +33,6 @@
 
 #include "../vpatterndb/variables/vmeasurement.h"
 #include "../vwidgets/vdecorationaligningdelegate.h"
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#include "../vmisc/backport/qoverload.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
 
 #if QT_VERSION < QT_VERSION_CHECK(6, 4, 0)
 #include "../vmisc/compatibility.h"

src/app/tape/dialogs/dialogsetupmultisize.cpp

@@ -31,11 +31,6 @@
 #include <QPushButton>
 #include <QShowEvent>
 
-#include "../mapplication.h"
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#include "../vmisc/backport/qoverload.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-
 namespace
 {
 void InitDimensionTitle(QGroupBox *group, const MeasurementDimension_p &dimension)
@@ -43,11 +38,11 @@ void InitDimensionTitle(QGroupBox *group, const MeasurementDimension_p &dimensio
     SCASSERT(group != nullptr)
     group->setTitle(QStringLiteral("%1 (%2)").arg(dimension->Name(), dimension->Axis()));
 }
-}
+} // namespace
 
 //---------------------------------------------------------------------------------------------------------------------
-DialogSetupMultisize::DialogSetupMultisize(Unit unit, QWidget *parent) :
+DialogSetupMultisize::DialogSetupMultisize(Unit unit, QWidget *parent)
-    QDialog(parent),
+  : QDialog(parent),
     ui(new Ui::DialogSetupMultisize),
     m_xDimension(QSharedPointer<VXMeasurementDimension>::create(unit)),
     m_yDimension(QSharedPointer<VYMeasurementDimension>::create(unit)),
@@ -64,120 +59,100 @@ DialogSetupMultisize::DialogSetupMultisize(Unit unit, QWidget *parent) :
     InitZDimension();
 
     // height
-    connect(ui->doubleSpinBoxXDimensionMinValue, QOverload<qreal>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->doubleSpinBoxXDimensionMinValue, QOverload<qreal>::of(&QDoubleSpinBox::valueChanged), this,
-            this, [this](qreal value)
+            [this](qreal value)
             {
                 DimensionMinValueChanged(value, ui->doubleSpinBoxXDimensionMaxValue, ui->comboBoxXDimensionStep,
                                          ui->comboBoxXDimensionBase, m_xDimension);
             });
-    connect(ui->doubleSpinBoxXDimensionMaxValue, QOverload<qreal>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->doubleSpinBoxXDimensionMaxValue, QOverload<qreal>::of(&QDoubleSpinBox::valueChanged), this,
-            this, [this](qreal value)
+            [this](qreal value)
             {
                 DimensionMaxValueChanged(value, ui->doubleSpinBoxXDimensionMinValue, ui->comboBoxXDimensionStep,
                                          ui->comboBoxXDimensionBase, m_xDimension);
             });
-    connect(ui->comboBoxXDimensionStep, QOverload<int>::of(&QComboBox::currentIndexChanged),
+    connect(ui->comboBoxXDimensionStep, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
-            this, [this](int index)
+            [this](int index)
-            {
+            { DimensionStepChanged(index, ui->comboBoxXDimensionStep, ui->comboBoxXDimensionBase, m_xDimension); });
-                DimensionStepChanged(index, ui->comboBoxXDimensionStep, ui->comboBoxXDimensionBase, m_xDimension);
+    connect(ui->comboBoxXDimensionBase, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
-            });
+            [this](int index) { DimensionBaseChanged(index, ui->comboBoxXDimensionBase, m_xDimension); });
-    connect(ui->comboBoxXDimensionBase, QOverload<int>::of(&QComboBox::currentIndexChanged),
-            this, [this](int index)
-            {
-                DimensionBaseChanged(index, ui->comboBoxXDimensionBase, m_xDimension);
-            });
 
     // size
-    connect(ui->doubleSpinBoxYDimensionMinValue, QOverload<qreal>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->doubleSpinBoxYDimensionMinValue, QOverload<qreal>::of(&QDoubleSpinBox::valueChanged), this,
-            this, [this](qreal value)
+            [this](qreal value)
             {
                 DimensionMinValueChanged(value, ui->doubleSpinBoxYDimensionMaxValue, ui->comboBoxYDimensionStep,
                                          ui->comboBoxYDimensionBase, m_yDimension);
             });
-    connect(ui->doubleSpinBoxYDimensionMaxValue, QOverload<qreal>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->doubleSpinBoxYDimensionMaxValue, QOverload<qreal>::of(&QDoubleSpinBox::valueChanged), this,
-            this, [this](qreal value)
+            [this](qreal value)
             {
                 DimensionMaxValueChanged(value, ui->doubleSpinBoxYDimensionMinValue, ui->comboBoxYDimensionStep,
                                          ui->comboBoxYDimensionBase, m_yDimension);
             });
-    connect(ui->comboBoxYDimensionStep, QOverload<int>::of(&QComboBox::currentIndexChanged),
+    connect(ui->comboBoxYDimensionStep, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
-            this, [this](int index)
+            [this](int index)
-            {
+            { DimensionStepChanged(index, ui->comboBoxYDimensionStep, ui->comboBoxYDimensionBase, m_yDimension); });
-                DimensionStepChanged(index, ui->comboBoxYDimensionStep, ui->comboBoxYDimensionBase, m_yDimension);
+    connect(ui->comboBoxYDimensionBase, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
-            });
+            [this](int index) { DimensionBaseChanged(index, ui->comboBoxYDimensionBase, m_yDimension); });
-    connect(ui->comboBoxYDimensionBase, QOverload<int>::of(&QComboBox::currentIndexChanged),
-            this, [this](int index)
-            {
-                DimensionBaseChanged(index, ui->comboBoxYDimensionBase, m_yDimension);
-            });
 
     // hip
-    connect(ui->doubleSpinBoxWDimensionMinValue, QOverload<qreal>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->doubleSpinBoxWDimensionMinValue, QOverload<qreal>::of(&QDoubleSpinBox::valueChanged), this,
-            this, [this](qreal value)
+            [this](qreal value)
             {
                 DimensionMinValueChanged(value, ui->doubleSpinBoxWDimensionMaxValue, ui->comboBoxWDimensionStep,
                                          ui->comboBoxWDimensionBase, m_wDimension);
             });
-    connect(ui->doubleSpinBoxWDimensionMaxValue, QOverload<qreal>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->doubleSpinBoxWDimensionMaxValue, QOverload<qreal>::of(&QDoubleSpinBox::valueChanged), this,
-            this, [this](qreal value)
+            [this](qreal value)
             {
                 DimensionMaxValueChanged(value, ui->doubleSpinBoxWDimensionMinValue, ui->comboBoxWDimensionStep,
                                          ui->comboBoxWDimensionBase, m_wDimension);
             });
-    connect(ui->comboBoxWDimensionStep, QOverload<int>::of(&QComboBox::currentIndexChanged),
+    connect(ui->comboBoxWDimensionStep, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
-            this, [this](int index)
+            [this](int index)
-            {
+            { DimensionStepChanged(index, ui->comboBoxWDimensionStep, ui->comboBoxWDimensionBase, m_wDimension); });
-                DimensionStepChanged(index, ui->comboBoxWDimensionStep, ui->comboBoxWDimensionBase, m_wDimension);
+    connect(ui->comboBoxWDimensionBase, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
-            });
+            [this](int index) { DimensionBaseChanged(index, ui->comboBoxWDimensionBase, m_wDimension); });
-    connect(ui->comboBoxWDimensionBase, QOverload<int>::of(&QComboBox::currentIndexChanged),
-            this, [this](int index)
-            {
-                DimensionBaseChanged(index, ui->comboBoxWDimensionBase, m_wDimension);
-            });
 
     // waist
-    connect(ui->doubleSpinBoxZDimensionMinValue, QOverload<qreal>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->doubleSpinBoxZDimensionMinValue, QOverload<qreal>::of(&QDoubleSpinBox::valueChanged), this,
-            this, [this](qreal value)
+            [this](qreal value)
             {
                 DimensionMinValueChanged(value, ui->doubleSpinBoxZDimensionMaxValue, ui->comboBoxZDimensionStep,
                                          ui->comboBoxZDimensionBase, m_zDimension);
             });
-    connect(ui->doubleSpinBoxZDimensionMaxValue, QOverload<qreal>::of(&QDoubleSpinBox::valueChanged),
+    connect(ui->doubleSpinBoxZDimensionMaxValue, QOverload<qreal>::of(&QDoubleSpinBox::valueChanged), this,
-            this, [this](qreal value)
+            [this](qreal value)
             {
                 DimensionMaxValueChanged(value, ui->doubleSpinBoxZDimensionMinValue, ui->comboBoxZDimensionStep,
                                          ui->comboBoxZDimensionBase, m_zDimension);
             });
-    connect(ui->comboBoxZDimensionStep, QOverload<int>::of(&QComboBox::currentIndexChanged),
+    connect(ui->comboBoxZDimensionStep, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
-            this, [this](int index)
+            [this](int index)
-            {
+            { DimensionStepChanged(index, ui->comboBoxZDimensionStep, ui->comboBoxZDimensionBase, m_zDimension); });
-                DimensionStepChanged(index, ui->comboBoxZDimensionStep, ui->comboBoxZDimensionBase, m_zDimension);
+    connect(ui->comboBoxZDimensionBase, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
-            });
+            [this](int index) { DimensionBaseChanged(index, ui->comboBoxZDimensionBase, m_zDimension); });
-    connect(ui->comboBoxZDimensionBase, QOverload<int>::of(&QComboBox::currentIndexChanged),
-            this, [this](int index)
-            {
-                DimensionBaseChanged(index, ui->comboBoxZDimensionBase, m_zDimension);
-            });
-
 
     connect(ui->groupBoxXDimension, &QGroupBox::clicked, this, [this]() { CheckState(); });
     connect(ui->groupBoxYDimension, &QGroupBox::clicked, this, [this]() { CheckState(); });
     connect(ui->groupBoxWDimension, &QGroupBox::clicked, this, [this]() { CheckState(); });
     connect(ui->groupBoxZDimension, &QGroupBox::clicked, this, [this]() { CheckState(); });
 
-    connect(ui->checkBoxFullCircumference, &QCheckBox::stateChanged,
+    connect(ui->checkBoxFullCircumference, &QCheckBox::stateChanged, this,
-            this, &DialogSetupMultisize::ShowFullCircumference);
+            &DialogSetupMultisize::ShowFullCircumference);
 
-    connect(ui->checkBoxXDimensionBodyMeasurement, &QCheckBox::stateChanged,
+    connect(ui->checkBoxXDimensionBodyMeasurement, &QCheckBox::stateChanged, this,
-            this, &DialogSetupMultisize::XDimensionBodyMeasurementChanged);
+            &DialogSetupMultisize::XDimensionBodyMeasurementChanged);
-    connect(ui->checkBoxYDimensionBodyMeasurement, &QCheckBox::stateChanged,
+    connect(ui->checkBoxYDimensionBodyMeasurement, &QCheckBox::stateChanged, this,
-            this, &DialogSetupMultisize::YDimensionBodyMeasurementChanged);
+            &DialogSetupMultisize::YDimensionBodyMeasurementChanged);
-    connect(ui->checkBoxWDimensionBodyMeasurement, &QCheckBox::stateChanged,
+    connect(ui->checkBoxWDimensionBodyMeasurement, &QCheckBox::stateChanged, this,
-            this, &DialogSetupMultisize::WDimensionBodyMeasurementChanged);
+            &DialogSetupMultisize::WDimensionBodyMeasurementChanged);
-    connect(ui->checkBoxZDimensionBodyMeasurement, &QCheckBox::stateChanged,
+    connect(ui->checkBoxZDimensionBodyMeasurement, &QCheckBox::stateChanged, this,
-            this, &DialogSetupMultisize::ZDimensionBodyMeasurementChanged);
+            &DialogSetupMultisize::ZDimensionBodyMeasurementChanged);
 
-    connect(ui->lineEditCustomXDimensionName, &QLineEdit::textChanged, this, [this](const QString &text)
+    connect(ui->lineEditCustomXDimensionName, &QLineEdit::textChanged, this,
+            [this](const QString &text)
             {
                 m_xDimension->SetCustomName(text);
                 InitDimensionTitle(ui->groupBoxXDimension, m_xDimension);
@@ -185,7 +160,8 @@ DialogSetupMultisize::DialogSetupMultisize(Unit unit, QWidget *parent) :
                 CheckState();
             });
 
-    connect(ui->lineEditCustomYDimensionName, &QLineEdit::textChanged, this, [this](const QString &text)
+    connect(ui->lineEditCustomYDimensionName, &QLineEdit::textChanged, this,
+            [this](const QString &text)
             {
                 m_yDimension->SetCustomName(text);
                 InitDimensionTitle(ui->groupBoxYDimension, m_yDimension);
@@ -193,7 +169,8 @@ DialogSetupMultisize::DialogSetupMultisize(Unit unit, QWidget *parent) :
                 CheckState();
             });
 
-    connect(ui->lineEditCustomWDimensionName, &QLineEdit::textChanged, this, [this](const QString &text)
+    connect(ui->lineEditCustomWDimensionName, &QLineEdit::textChanged, this,
+            [this](const QString &text)
             {
                 m_wDimension->SetCustomName(text);
                 InitDimensionTitle(ui->groupBoxWDimension, m_wDimension);
@@ -201,7 +178,8 @@ DialogSetupMultisize::DialogSetupMultisize(Unit unit, QWidget *parent) :
                 CheckState();
             });
 
-    connect(ui->lineEditCustomZDimensionName, &QLineEdit::textChanged, this, [this](const QString &text)
+    connect(ui->lineEditCustomZDimensionName, &QLineEdit::textChanged, this,
+            [this](const QString &text)
             {
                 m_zDimension->SetCustomName(text);
                 InitDimensionTitle(ui->groupBoxZDimension, m_zDimension);
@@ -293,8 +271,8 @@ void DialogSetupMultisize::showEvent(QShowEvent *event)
 void DialogSetupMultisize::ShowFullCircumference()
 {
     auto ShowDimensionFullCircumference = [this](QDoubleSpinBox *doubleSpinBoxMinValue,
-            QDoubleSpinBox *doubleSpinBoxMaxValue, QComboBox *comboBoxStep, QComboBox *comboBoxBase,
+                                                 QDoubleSpinBox *doubleSpinBoxMaxValue, QComboBox *comboBoxStep,
-            const MeasurementDimension_p &dimension)
+                                                 QComboBox *comboBoxBase, const MeasurementDimension_p &dimension)
     {
         SCASSERT(doubleSpinBoxMinValue != nullptr)
         SCASSERT(doubleSpinBoxMaxValue != nullptr)
@@ -514,8 +492,7 @@ void DialogSetupMultisize::InitDimensionMinMax(QDoubleSpinBox *doubleSpinBoxMinV
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-void DialogSetupMultisize::InitDimensionStep(QComboBox *comboBoxStep,
+void DialogSetupMultisize::InitDimensionStep(QComboBox *comboBoxStep, const MeasurementDimension_p &dimension)
-                                             const MeasurementDimension_p &dimension)
 {
     SCASSERT(comboBoxStep != nullptr)
 
@@ -663,8 +640,7 @@ void DialogSetupMultisize::DimensionBaseChanged(int index, QComboBox *comboBoxBa
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-void DialogSetupMultisize::UpdateSteps(QComboBox *comboBoxStep,
+void DialogSetupMultisize::UpdateSteps(QComboBox *comboBoxStep, const MeasurementDimension_p &dimension)
-                                       const MeasurementDimension_p &dimension)
 {
     SCASSERT(comboBoxStep != nullptr)
 
@@ -697,8 +673,7 @@ void DialogSetupMultisize::UpdateSteps(QComboBox *comboBoxStep,
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-void DialogSetupMultisize::UpdateBase(QComboBox *comboBoxBase,
+void DialogSetupMultisize::UpdateBase(QComboBox *comboBoxBase, const MeasurementDimension_p &dimension)
-                                      const MeasurementDimension_p &dimension)
 {
     SCASSERT(comboBoxBase != nullptr)
 
@@ -728,4 +703,3 @@ void DialogSetupMultisize::UpdateBase(QComboBox *comboBoxBase,
     const qreal base = comboBoxBase->currentData().toDouble(&ok);
     dimension->SetBaseValue(ok ? base : -1);
 }
-

src/app/tape/dialogs/dialogsetupmultisize.h

@@ -33,10 +33,6 @@
 #include "../vformat/vdimensions.h"
 #include "../vmisc/def.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-
 class QDoubleSpinBox;
 class QGroupBox;
 class QLineEdit;
@@ -101,8 +97,7 @@ private:
 
     void DimensionStepChanged(int index, QComboBox *comboBoxStep, QComboBox *comboBoxBase,
                               const MeasurementDimension_p &dimension);
-    void DimensionBaseChanged(int index, QComboBox *comboBoxBase,
+    void DimensionBaseChanged(int index, QComboBox *comboBoxBase, const MeasurementDimension_p &dimension);
-                              const MeasurementDimension_p &dimension);
 
     void UpdateSteps(QComboBox *comboBoxStep, const MeasurementDimension_p &dimension);
     void UpdateBase(QComboBox *comboBoxBase, const MeasurementDimension_p &dimension);

src/app/tape/dialogs/dialogtapepreferences.h

@@ -31,10 +31,6 @@
 
 #include <QDialog>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
-
 namespace Ui
 {
 class DialogTapePreferences;

src/app/tape/main.cpp

@@ -32,12 +32,8 @@
 #include <QTimer>
 
 #if defined(APPIMAGE) && defined(Q_OS_LINUX)
-#if QT_VERSION < QT_VERSION_CHECK(5, 12, 0)
-#include "../vmisc/backport/qscopeguard.h"
-#else
-#include <QScopeGuard>
-#endif
 #include "../vmisc/appimage.h"
+#include <QScopeGuard>
 #endif // defined(APPIMAGE) && defined(Q_OS_LINUX)
 
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
@@ -119,11 +115,9 @@ auto main(int argc, char *argv[]) -> int
     MApplication app(argc, argv);
     app.InitOptions();
 
-    QT_REQUIRE_VERSION(argc, argv, "5.6.0"); // clazy:exclude=qstring-arg,qstring-allocations NOLINT
+    QT_REQUIRE_VERSION(argc, argv, "5.15.0"); // clazy:exclude=qstring-arg,qstring-allocations NOLINT
 
-#if QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
     MApplication::setDesktopFileName(QStringLiteral("ua.com.smart-pattern.tape.desktop"));
-#endif
 
     QTimer::singleShot(0, &app, &MApplication::ProcessCMD);
 

src/app/tape/mapplication.cpp

@@ -155,26 +155,6 @@ inline void noisyFailureMsgHandler(QtMsgType type, const QMessageLogContext &con
 #endif // defined(V_NO_ASSERT)
 
 #if defined(Q_OS_MAC)
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-    // Try hide very annoying, Qt related, warnings in Mac OS X
-    // QNSView mouseDragged: Internal mouse button tracking invalid (missing Qt::LeftButton)
-    // https://bugreports.qt.io/browse/QTBUG-42846
-    if ((type == QtWarningMsg) && msg.contains(QStringLiteral("QNSView")))
-    {
-        type = QtDebugMsg;
-    }
-#endif
-
-#if QT_VERSION < QT_VERSION_CHECK(5, 9, 0)
-    // Hide Qt bug 'Assertion when reading an icns file'
-    // https://bugreports.qt.io/browse/QTBUG-45537
-    // Remove after Qt fix will be released
-    if ((type == QtWarningMsg) && msg.contains(QStringLiteral("QICNSHandler::read()")))
-    {
-        type = QtDebugMsg;
-    }
-#endif
-
     // Hide anything that starts with QMacCGContext
     if ((type == QtWarningMsg) && msg.contains(QStringLiteral("QMacCGContext::")))
     {

src/app/tape/tkmmainwindow.cpp

@@ -69,20 +69,7 @@
 #include <QTextCodec>
 #endif
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#include "../vmisc/backport/qoverload.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-
-#if (defined(Q_CC_GNU) && Q_CC_GNU < 409) && !defined(Q_CC_CLANG)
-// DO NOT WORK WITH GCC 4.8
-#else
-#if __cplusplus >= 201402L
 using namespace std::chrono_literals;
-#else
-#include "../vmisc/bpstd/chrono.hpp"
-using namespace bpstd::literals::chrono_literals;
-#endif // __cplusplus >= 201402L
-#endif //(defined(Q_CC_GNU) && Q_CC_GNU < 409) && !defined(Q_CC_CLANG)
 
 QT_WARNING_PUSH
 QT_WARNING_DISABLE_CLANG("-Wmissing-prototypes")
@@ -145,7 +132,7 @@ TKMMainWindow::TKMMainWindow(QWidget *parent)
 
     if (MApplication::VApp()->IsAppInGUIMode())
     {
-        QTimer::singleShot(V_SECONDS(1), this, &TKMMainWindow::AskDefaultSettings);
+        QTimer::singleShot(1s, this, &TKMMainWindow::AskDefaultSettings);
     }
 
     m_buttonShortcuts.insert(VShortcutAction::CaseSensitiveMatch, ui->toolButtonCaseSensitive);
@@ -358,15 +345,6 @@ void TKMMainWindow::UpdateWindowTitle()
 //---------------------------------------------------------------------------------------------------------------------
 void TKMMainWindow::closeEvent(QCloseEvent *event)
 {
-#if defined(Q_OS_MAC) && QT_VERSION < QT_VERSION_CHECK(5, 11, 1)
-    // Workaround for Qt bug https://bugreports.qt.io/browse/QTBUG-43344
-    static int numCalled = 0;
-    if (numCalled++ >= 1)
-    {
-        return;
-    }
-#endif
-
     if (MaybeSave())
     {
         WriteSettings();

src/app/tape/tmainwindow.cpp

@@ -66,22 +66,12 @@
 #include "vlitepattern.h"
 #include "vtapesettings.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#include "../vmisc/backport/qoverload.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
 #include "../vmisc/vtextcodec.h"
 #else
 #include <QTextCodec>
 #endif
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 12, 0)
-#include "../vmisc/backport/qscopeguard.h"
-#else
-#include <QScopeGuard>
-#endif
-
 #include <QComboBox>
 #include <QCursor>
 #include <QDesktopServices>
@@ -91,21 +81,13 @@
 #include <QMimeType>
 #include <QPixmap>
 #include <QProcess>
+#include <QScopeGuard>
 #include <QTimer>
 #include <QUuid>
 #include <QtNumeric>
 #include <chrono>
 
-#if (defined(Q_CC_GNU) && Q_CC_GNU < 409) && !defined(Q_CC_CLANG)
-// DO NOT WORK WITH GCC 4.8
-#else
-#if __cplusplus >= 201402L
 using namespace std::chrono_literals;
-#else
-#include "../vmisc/bpstd/chrono.hpp"
-using namespace bpstd::literals::chrono_literals;
-#endif // __cplusplus >= 201402L
-#endif //(defined(Q_CC_GNU) && Q_CC_GNU < 409) && !defined(Q_CC_CLANG)
 
 #if defined(Q_OS_MAC)
 #include <QDrag>
@@ -313,7 +295,7 @@ TMainWindow::TMainWindow(QWidget *parent)
 
     if (MApplication::VApp()->IsAppInGUIMode())
     {
-        QTimer::singleShot(V_SECONDS(1), this, &TMainWindow::AskDefaultSettings);
+        QTimer::singleShot(1s, this, &TMainWindow::AskDefaultSettings);
     }
 
     m_buttonShortcuts.insert(VShortcutAction::CaseSensitiveMatch, ui->toolButtonCaseSensitive);
@@ -732,15 +714,6 @@ void TMainWindow::ToolBarStyles()
 //---------------------------------------------------------------------------------------------------------------------
 void TMainWindow::closeEvent(QCloseEvent *event)
 {
-#if defined(Q_OS_MAC) && QT_VERSION < QT_VERSION_CHECK(5, 11, 1)
-    // Workaround for Qt bug https://bugreports.qt.io/browse/QTBUG-43344
-    static int numCalled = 0;
-    if (numCalled++ >= 1)
-    {
-        return;
-    }
-#endif
-
     if (MaybeSave())
     {
         WriteSettings();
@@ -3278,7 +3251,7 @@ void TMainWindow::InitDimensionGradation(int index, const MeasurementDimension_p
     int maxWidth = 0;
     for (int i = 0; i < control->count(); ++i)
     {
-        int itemWidth = TextWidth(fontMetrics, control->itemText(i));
+        int itemWidth = fontMetrics.horizontalAdvance(control->itemText(i));
         if (itemWidth > maxWidth)
         {
             maxWidth = itemWidth;

src/app/tape/vtapeshortcutmanager.h

@@ -30,10 +30,6 @@
 
 #include "../vmisc/vabstractshortcutmanager.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
-
 class VTapeShortcutManager : public VAbstractShortcutManager
 {
     Q_OBJECT // NOLINT

src/app/valentina/core/vapplication.cpp

@@ -45,13 +45,10 @@
 #include "../vmisc/vvalentinasettings.h"
 #include "vvalentinashortcutmanager.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
-#include "../vmisc/backport/text.h"
-#endif
-
 #include "QtConcurrent/qtconcurrentrun.h"
 #include <QDateTime>
 #include <QDir>
+#include <QEvent>
 #include <QFile>
 #include <QFileSystemWatcher>
 #include <QFuture>
@@ -60,6 +57,7 @@
 #include <QMessageBox>
 #include <QObject>
 #include <QProcess>
+#include <QScopeGuard>
 #include <QStandardPaths>
 #include <QStyleFactory>
 #include <QTemporaryFile>
@@ -77,13 +75,6 @@
 #define BUILD_REVISION VCS_REPO_STATE_REVISION
 #endif
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 12, 0)
-#include "../vmisc/backport/qscopeguard.h"
-#else
-#include <QEvent>
-#include <QScopeGuard>
-#endif
-
 #if QT_VERSION < QT_VERSION_CHECK(6, 4, 0)
 #include "../vmisc/compatibility.h"
 #endif
@@ -181,26 +172,6 @@ inline void noisyFailureMsgHandler(QtMsgType type, const QMessageLogContext &con
 #endif // defined(V_NO_ASSERT)
 
 #if defined(Q_OS_MAC)
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-    // Try hide very annoying, Qt related, warnings in Mac OS X
-    // QNSView mouseDragged: Internal mouse button tracking invalid (missing Qt::LeftButton)
-    // https://bugreports.qt.io/browse/QTBUG-42846
-    if ((type == QtWarningMsg) && msg.contains(QStringLiteral("QNSView")))
-    {
-        type = QtDebugMsg;
-    }
-#endif
-
-#if QT_VERSION < QT_VERSION_CHECK(5, 9, 0)
-    // Hide Qt bug 'Assertion when reading an icns file'
-    // https://bugreports.qt.io/browse/QTBUG-45537
-    // Remove after Qt fix will be released
-    if ((type == QtWarningMsg) && msg.contains(QStringLiteral("QICNSHandler::read()")))
-    {
-        type = QtDebugMsg;
-    }
-#endif
-
     // Hide anything that starts with QMacCGContext
     if ((type == QtWarningMsg) && msg.contains(QStringLiteral("QMacCGContext::")))
     {
@@ -645,11 +616,7 @@ void VApplication::ClearOldLogs()
     for (const auto &fn : allFiles)
     {
         QFileInfo info(fn);
-#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
         const QDateTime created = info.birthTime();
-#else
-        const QDateTime created = info.created();
-#endif
         if (created.daysTo(QDateTime::currentDateTime()) >= DAYS_TO_KEEP_LOGS)
         {
             VLockGuard<QFile> tmp(info.absoluteFilePath(), [&fn]() { return new QFile(fn); });

src/app/valentina/core/vformulapropertyeditor.h

@@ -35,9 +35,6 @@
 #include <QWidget>
 
 #include "../vpatterndb/vformula.h"
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
 
 class VFormulaPropertyEditor : public QWidget
 {

src/app/valentina/core/vvalentinashortcutmanager.h

@@ -30,10 +30,6 @@
 
 #include "../vmisc/vabstractshortcutmanager.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
-
 class VValentinaShortcutManager : public VAbstractShortcutManager
 {
     Q_OBJECT // NOLINT

src/app/valentina/dialogs/configpages/preferencesconfigurationpage.cpp

@@ -35,16 +35,12 @@
 #include "../vmisc/theme/vtheme.h"
 #include "../vmisc/vabstractshortcutmanager.h"
 #include "../vmisc/vvalentinasettings.h"
-#include "qpushbutton.h"
 #include "ui_preferencesconfigurationpage.h"
 #include "vcommonsettings.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#include "../vmisc/backport/qoverload.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-
 #include <QDir>
 #include <QDirIterator>
+#include <QPushButton>
 #include <QStyleHints>
 #include <QTimer>
 

src/app/valentina/dialogs/configpages/preferencesconfigurationpage.h

@@ -31,10 +31,6 @@
 
 #include <QWidget>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
-
 namespace Ui
 {
 class PreferencesConfigurationPage;

src/app/valentina/dialogs/configpages/preferencespathpage.h

@@ -31,10 +31,6 @@
 
 #include <QWidget>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
-
 namespace Ui
 {
 class PreferencesPathPage;

src/app/valentina/dialogs/configpages/preferencespatternpage.cpp

@@ -29,24 +29,21 @@
 #include "preferencespatternpage.h"
 #include "../dialogdatetimeformats.h"
 #include "../dialogknownmaterials.h"
+#include "../ifc/xml/vabstractpattern.h"
+#include "../vformat/vsinglelineoutlinechar.h"
 #include "../vmisc/svgfont/vsvgfontdatabase.h"
 #include "../vmisc/vabstractvalapplication.h"
 #include "../vmisc/vvalentinasettings.h"
+#include "../vwidgets/vmaingraphicsview.h"
 #include "svgfont/svgdef.h"
 #include "svgfont/vsvgfont.h"
 #include "svgfont/vsvgfontengine.h"
 #include "ui_preferencespatternpage.h"
 #include "vabstractapplication.h"
-#include <QFontMetrics>
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#include "../vmisc/backport/qoverload.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#include "../ifc/xml/vabstractpattern.h"
-#include "../vformat/vsinglelineoutlinechar.h"
-#include "../vwidgets/vmaingraphicsview.h"
 
 #include <QCompleter>
 #include <QDate>
+#include <QFontMetrics>
 #include <QMessageBox>
 #include <QScreen>
 #include <QStyledItemDelegate>

src/app/valentina/dialogs/dialogaboutapp.h

@@ -31,10 +31,6 @@
 
 #include <QDialog>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
-
 namespace Ui
 {
 class DialogAboutApp;

src/app/valentina/dialogs/dialogaddbackgroundimage.h

@@ -30,10 +30,6 @@
 
 #include <QDialog>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-
 namespace Ui
 {
 class DialogAddBackgroundImage;

src/app/valentina/dialogs/dialogdatetimeformats.h

@@ -33,10 +33,6 @@
 #include <QDialog>
 #include <QTime>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
-
 namespace Ui
 {
 class DialogDateTimeFormats;

src/app/valentina/dialogs/dialogincrements.cpp

@@ -27,14 +27,10 @@
  *************************************************************************/
 
 #include "dialogincrements.h"
-#include "../vmisc/vvalentinasettings.h"
-#include "ui_dialogincrements.h"
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#include "../vmisc/backport/qoverload.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
 #include "../qmuparser/qmudef.h"
 #include "../qmuparser/qmutokenparser.h"
 #include "../vmisc/theme/vtheme.h"
+#include "../vmisc/vvalentinasettings.h"
 #include "../vpatterndb/calculator.h"
 #include "../vpatterndb/variables/varcradius.h"
 #include "../vpatterndb/variables/vcurveangle.h"
@@ -45,6 +41,7 @@
 #include "../vpatterndb/variables/vlinelength.h"
 #include "../vpatterndb/vtranslatevars.h"
 #include "../vtools/dialogs/support/dialogeditwrongformula.h"
+#include "ui_dialogincrements.h"
 
 #include <QCloseEvent>
 #include <QDir>
@@ -2106,9 +2103,6 @@ DialogIncrements::~DialogIncrements()
 //---------------------------------------------------------------------------------------------------------------------
 void DialogIncrements::RestoreAfterClose()
 {
-    // Because of bug on Mac OS with Qt 5.11 closing this dialog causes a crash. Instead of closing we will keep
-    // dialog in memory and reuse it again. This function redo some moves made after close.
-
     connect(this->m_doc, &VPattern::FullUpdateFromFile, this, &DialogIncrements::FullUpdateFromFile);
 
     ui->tabWidget->setCurrentIndex(0);

src/app/valentina/dialogs/dialogknownmaterials.h

@@ -31,10 +31,6 @@
 
 #include <QDialog>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
-
 namespace Ui
 {
 class DialogKnownMaterials;

src/app/valentina/dialogs/dialoglayoutprogress.cpp

@@ -40,16 +40,7 @@
 #include <QtDebug>
 #include <chrono>
 
-#if (defined(Q_CC_GNU) && Q_CC_GNU < 409) && !defined(Q_CC_CLANG)
-// DO NOT WORK WITH GCC 4.8
-#else
-#if __cplusplus >= 201402L
 using namespace std::chrono_literals;
-#else
-#include "../vmisc/bpstd/chrono.hpp"
-using namespace bpstd::literals::chrono_literals;
-#endif // __cplusplus >= 201402L
-#endif //(defined(Q_CC_GNU) && Q_CC_GNU < 409) && !defined(Q_CC_CLANG)
 
 //---------------------------------------------------------------------------------------------------------------------
 DialogLayoutProgress::DialogLayoutProgress(QElapsedTimer timer, qint64 timeout, QWidget *parent)
@@ -96,7 +87,7 @@ DialogLayoutProgress::DialogLayoutProgress(QElapsedTimer timer, qint64 timeout,
                     m_progressTimer->stop();
                 }
             });
-    m_progressTimer->start(V_SECONDS(1));
+    m_progressTimer->start(1s);
 }
 
 //---------------------------------------------------------------------------------------------------------------------

src/app/valentina/dialogs/dialoglayoutprogress.h

@@ -33,10 +33,6 @@
 #include <QElapsedTimer>
 #include <QTimer>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
-
 namespace Ui
 {
 class DialogLayoutProgress;

src/app/valentina/dialogs/dialoglayoutsettings.cpp

@@ -27,13 +27,10 @@
  *************************************************************************/
 
 #include "dialoglayoutsettings.h"
+#include "../vlayout/vlayoutgenerator.h"
 #include "../vmisc/vabstractvalapplication.h"
 #include "../vmisc/vvalentinasettings.h"
 #include "ui_dialoglayoutsettings.h"
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#include "../vmisc/backport/qoverload.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#include "../vlayout/vlayoutgenerator.h"
 
 #include <QMessageBox>
 #include <QPrinterInfo>

src/app/valentina/dialogs/dialogpatternproperties.cpp

@@ -43,16 +43,13 @@
 #include <QUrl>
 
 #include "../core/vapplication.h"
+#include "../ifc/xml/utils.h"
+#include "../ifc/xml/vpatternimage.h"
+#include "../qmuparser/qmudef.h"
 #include "../vmisc/vabstractvalapplication.h"
 #include "../vmisc/vvalentinasettings.h"
 #include "../vpatterndb/vcontainer.h"
 #include "../xml/vpattern.h"
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#include "../vmisc/backport/qoverload.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#include "../ifc/xml/utils.h"
-#include "../ifc/xml/vpatternimage.h"
-#include "../qmuparser/qmudef.h"
 
 #if QT_VERSION < QT_VERSION_CHECK(6, 4, 0)
 #include "../vmisc/compatibility.h"

src/app/valentina/dialogs/dialogpatternproperties.h

@@ -33,10 +33,6 @@
 #include <QMap>
 #include <QPointer>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
-
 class VPattern;
 class VContainer;
 class QCheckBox;

src/app/valentina/dialogs/dialogpreferences.h

@@ -31,10 +31,6 @@
 
 #include <QDialog>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
-
 namespace Ui
 {
 class DialogPreferences;

src/app/valentina/dialogs/dialogsavelayout.cpp

@@ -33,10 +33,6 @@
 #include "../vmisc/vvalentinasettings.h"
 #include "ui_dialogsavelayout.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#include "../vmisc/backport/qoverload.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-
 #include <QDir>
 #include <QFileDialog>
 #include <QGlobalStatic>

src/app/valentina/dialogs/vwidgetbackgroundimages.cpp

@@ -44,10 +44,6 @@
 #include "../vtools/undocommands/image/zvaluemovebackgroundimage.h"
 #include "ui_vwidgetbackgroundimages.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#include "../vmisc/backport/qoverload.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-
 #include <QMenu>
 #include <QPushButton>
 

src/app/valentina/dialogs/vwidgetbackgroundimages.h

@@ -30,10 +30,6 @@
 
 #include <QWidget>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-
 #include "../vmisc/def.h"
 
 class VAbstractPattern;
@@ -44,7 +40,14 @@ namespace Ui
 class VWidgetBackgroundImages;
 }
 
-enum class ScaleUnit {Percent, Mm, Cm, Inch, Px};
+enum class ScaleUnit
+{
+    Percent,
+    Mm,
+    Cm,
+    Inch,
+    Px
+};
 
 class VWidgetBackgroundImages : public QWidget
 {

src/app/valentina/dialogs/vwidgetdetails.cpp

@@ -40,16 +40,7 @@
 #include <QUndoStack>
 #include <chrono>
 
-#if (defined(Q_CC_GNU) && Q_CC_GNU < 409) && !defined(Q_CC_CLANG)
-// DO NOT WORK WITH GCC 4.8
-#else
-#if __cplusplus >= 201402L
 using namespace std::chrono_literals;
-#else
-#include "../vmisc/bpstd/chrono.hpp"
-using namespace bpstd::literals::chrono_literals;
-#endif // __cplusplus >= 201402L
-#endif //(defined(Q_CC_GNU) && Q_CC_GNU < 409) && !defined(Q_CC_CLANG)
 
 namespace
 {
@@ -95,7 +86,7 @@ void VWidgetDetails::UpdateList()
     // The filling table is a very expensive operation. This optimization will postpone it.
     // Each time a new request happen we will wait 800 ms before calling it. If at this time a new request will arrive
     // we will wait 800 ms more. And so on, until nothing happens within 800ms.
-    m_updateListTimer->start(V_MSECONDS(800));
+    m_updateListTimer->start(800ms);
 }
 
 //---------------------------------------------------------------------------------------------------------------------

src/app/valentina/dialogs/vwidgetdetails.h

@@ -31,10 +31,6 @@
 
 #include <QWidget>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
-
 class VAbstractPattern;
 class VContainer;
 class VPiece;

src/app/valentina/dialogs/vwidgetgroups.h

@@ -30,10 +30,8 @@
 #define VWIDGETGROUPS_H
 
 #include "../vmisc/typedef.h"
+
 #include <QWidget>
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
 
 class QTableWidgetItem;
 class VAbstractPattern;

src/app/valentina/main.cpp

@@ -36,12 +36,8 @@
 #include <QTimer>
 
 #if defined(APPIMAGE) && defined(Q_OS_LINUX)
-#if QT_VERSION < QT_VERSION_CHECK(5, 12, 0)
-#include "../vmisc/backport/qscopeguard.h"
-#else
-#include <QScopeGuard>
-#endif
 #include "../vmisc/appimage.h"
+#include <QScopeGuard>
 #endif // defined(APPIMAGE) && defined(Q_OS_LINUX)
 
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
@@ -133,11 +129,9 @@ auto main(int argc, char *argv[]) -> int
     VApplication app(argc, argv);
     app.InitOptions();
 
-    QT_REQUIRE_VERSION(argc, argv, "5.6.0") // clazy:exclude=qstring-arg,qstring-allocations NOLINT
+    QT_REQUIRE_VERSION(argc, argv, "5.15.0") // clazy:exclude=qstring-arg,qstring-allocations NOLINT
 
-#if QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
     VApplication::setDesktopFileName(QStringLiteral("ua.com.smart-pattern.valentina.desktop"));
-#endif
 
     if (VApplication::IsGUIMode() && VAbstractApplication::VApp()->Settings()->IsAutomaticallyCheckUpdates())
     {

src/app/valentina/mainwindow.cpp

@@ -42,6 +42,7 @@
 #include <QMessageBox>
 #include <QProcess>
 #include <QProgressBar>
+#include <QScopeGuard>
 #include <QScrollBar>
 #include <QSettings>
 #include <QShowEvent>
@@ -202,21 +203,11 @@
 #include <QTextCodec>
 #endif
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-#include "../vmisc/backport/qoverload.h"
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 7, 0)
-
-#if QT_VERSION < QT_VERSION_CHECK(5, 12, 0)
-#include "../vmisc/backport/qscopeguard.h"
-#else
-#include <QScopeGuard>
-#endif
-
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
 #include <QSourceLocation>
 #endif
 
-#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0) && QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
+#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
 #include <QWinTaskbarButton>
 #include <QWinTaskbarProgress>
 #endif
@@ -226,16 +217,7 @@
 #include <QMimeData>
 #endif // defined(Q_OS_MAC)
 
-#if (defined(Q_CC_GNU) && Q_CC_GNU < 409) && !defined(Q_CC_CLANG)
-// DO NOT WORK WITH GCC 4.8
-#else
-#if __cplusplus >= 201402L
 using namespace std::chrono_literals;
-#else
-#include "../vmisc/bpstd/chrono.hpp"
-using namespace bpstd::literals::chrono_literals;
-#endif // __cplusplus >= 201402L
-#endif //(defined(Q_CC_GNU) && Q_CC_GNU < 409) && !defined(Q_CC_CLANG)
 
 #if QT_VERSION < QT_VERSION_CHECK(6, 4, 0)
 #include "../vmisc/compatibility.h"
@@ -403,7 +385,7 @@ MainWindow::MainWindow(QWidget *parent)
     connect(ui->actionExportFontCorrections, &QAction::triggered, this, &MainWindow::ActionExportFontCorrections);
 
     m_progressBar->setVisible(false);
-#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0) && QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
+#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     m_taskbarProgress->setVisible(false);
 #endif
     m_statusLabel->setText(tr("Create new pattern piece to start working."));
@@ -531,7 +513,7 @@ MainWindow::MainWindow(QWidget *parent)
 
     if (VApplication::IsGUIMode())
     {
-        QTimer::singleShot(V_SECONDS(1), this, &MainWindow::AskDefaultSettings);
+        QTimer::singleShot(1s, this, &MainWindow::AskDefaultSettings);
     }
 
     ui->actionExportFontCorrections->setEnabled(settings->GetSingleStrokeOutlineFont());
@@ -1829,7 +1811,7 @@ void MainWindow::showEvent(QShowEvent *event)
         return;
     }
 
-#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0) && QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
+#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     m_taskbarButton->setWindow(windowHandle());
 #endif
 
@@ -1894,15 +1876,6 @@ void MainWindow::changeEvent(QEvent *event)
  */
 void MainWindow::closeEvent(QCloseEvent *event)
 {
-#if defined(Q_OS_MAC) && QT_VERSION < QT_VERSION_CHECK(5, 11, 1)
-    // Workaround for Qt bug https://bugreports.qt.io/browse/QTBUG-43344
-    static int numCalled = 0;
-    if (numCalled++ >= 1)
-    {
-        return;
-    }
-#endif
-
     qCDebug(vMainWindow, "Closing main window");
     if (MaybeSave())
     {
@@ -2235,7 +2208,7 @@ void MainWindow::MeasurementsChanged(const QString &path)
     {
         m_mChanges = true;
         m_mChangesAsked = false;
-        m_measurementsSyncTimer->start(V_MSECONDS(1500));
+        m_measurementsSyncTimer->start(1500ms);
     }
     else
     {
@@ -2245,7 +2218,7 @@ void MainWindow::MeasurementsChanged(const QString &path)
             {
                 m_mChanges = true;
                 m_mChangesAsked = false;
-                m_measurementsSyncTimer->start(V_MSECONDS(1500));
+                m_measurementsSyncTimer->start(1500ms);
                 break;
             }
 
@@ -4498,7 +4471,7 @@ void MainWindow::Clear()
     m_toolOptions->ClearPropertyBrowser();
     m_toolOptions->itemClicked(nullptr);
     m_progressBar->setVisible(false);
-#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0) && QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
+#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     m_taskbarProgress->setVisible(false);
 #endif
     m_statusLabel->setVisible(true);
@@ -4914,7 +4887,7 @@ void MainWindow::ShowProgress()
     {
         const int newValue = m_progressBar->value() + 1;
         m_progressBar->setValue(newValue);
-#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0) && QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
+#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
         m_taskbarProgress->setValue(newValue);
 #endif
         QCoreApplication::processEvents();
@@ -5393,7 +5366,7 @@ void MainWindow::InitDimensionGradation(int index, const MeasurementDimension_p
     int maxWidth = 0;
     for (int i = 0; i < control->count(); ++i)
     {
-        int itemWidth = TextWidth(fontMetrics, control->itemText(i));
+        int itemWidth = fontMetrics.horizontalAdvance(control->itemText(i));
         if (itemWidth > maxWidth)
         {
             maxWidth = itemWidth;
@@ -6600,7 +6573,7 @@ auto MainWindow::LoadPattern(QString fileName, const QString &customMeasureFile)
     m_progressBar->setValue(0);
     const int elements = doc->ElementsToParse();
     m_progressBar->setMaximum(elements);
-#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0) && QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
+#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     m_taskbarProgress->setVisible(true);
     m_taskbarProgress->setMaximum(elements);
 #endif
@@ -6608,7 +6581,7 @@ auto MainWindow::LoadPattern(QString fileName, const QString &customMeasureFile)
     FullParseFile();
 
     m_progressBar->setVisible(false);
-#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0) && QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
+#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     m_taskbarProgress->setVisible(false);
 #endif
     m_statusLabel->setVisible(true);
@@ -6619,7 +6592,7 @@ auto 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. */
-            QTimer::singleShot(V_MSECONDS(100), Qt::CoarseTimer, this, [this]() { doc->GarbageCollector(true); });
+            QTimer::singleShot(100ms, Qt::CoarseTimer, this, [this]() { doc->GarbageCollector(true); });
         }
 
         m_patternReadOnly = doc->IsReadOnly();

src/app/valentina/mainwindowsnogui.cpp

@@ -71,7 +71,7 @@
 #include <QtSvg>
 #include <functional>
 
-#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0) && QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
+#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
 #include <QWinTaskbarButton>
 #include <QWinTaskbarProgress>
 #endif
@@ -134,14 +134,14 @@ MainWindowsNoGUI::MainWindowsNoGUI(QWidget *parent)
   : VAbstractMainWindow(parent),
     pattern(new VContainer(VAbstractApplication::VApp()->TrVars(), VAbstractValApplication::VApp()->patternUnitsP(),
                            valentinaNamespace))
-#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0) && QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
+#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     ,
     m_taskbarButton(new QWinTaskbarButton(this))
 #endif
 {
     InitTempLayoutScene();
 
-#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0) && QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
+#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     m_taskbarButton->setWindow(this->windowHandle());
     m_taskbarProgress = m_taskbarButton->progress();
     m_taskbarProgress->setMinimum(0);
@@ -193,14 +193,14 @@ auto MainWindowsNoGUI::GenerateLayout(VLayoutGenerator &lGenerator) -> bool
     QElapsedTimer timer;
     timer.start();
 
-#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0) && QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
+#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     QTimer *progressTimer = nullptr;
 #endif
 
     QSharedPointer<DialogLayoutProgress> progress;
     if (VApplication::IsGUIMode())
     {
-#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0) && QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
+#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
         m_taskbarProgress->setVisible(true);
         m_taskbarProgress->setValue(0);
         m_taskbarProgress->setMaximum(lGenerator.GetNestingTime() * 60);
@@ -419,7 +419,7 @@ auto MainWindowsNoGUI::GenerateLayout(VLayoutGenerator &lGenerator) -> bool
         progress->Finished();
     }
 
-#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0) && QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
+#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     if (VApplication::IsGUIMode())
     {
         progressTimer->stop();

src/app/valentina/mainwindowsnogui.h

@@ -46,7 +46,7 @@ struct PosterData;
 class QGraphicsRectItem;
 class VMeasurements;
 
-#if defined(Q_OS_WIN) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0) && QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
+#if defined(Q_OS_WIN) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
 class QWinTaskbarButton;
 class QWinTaskbarProgress;
 #endif
@@ -127,7 +127,7 @@ protected:
 
     QSharedPointer<DialogSaveLayout> m_dialogSaveLayout{}; // NOLINT(misc-non-private-member-variables-in-classes)
 
-#if defined(Q_OS_WIN) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0) && QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
+#if defined(Q_OS_WIN) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     QWinTaskbarButton *m_taskbarButton;              // NOLINT(misc-non-private-member-variables-in-classes)
     QWinTaskbarProgress *m_taskbarProgress{nullptr}; // NOLINT(misc-non-private-member-variables-in-classes)
 #endif

src/app/valentina/valentina.pro

@@ -377,8 +377,9 @@ win32:*g++* {
         package.files += $$[QT_INSTALL_BINS]/Qt5WinExtras.dll
     }
 
-    greaterThan(QT_MAJOR_VERSION, 4):greaterThan(QT_MINOR_VERSION, 10) {
+    package.files += \
-        versionAtLeast(QT_VERSION, 5.12.4){
+        $$PWD/../../../dist/win/msvcr120.dll
+
     # Minimal supported OpenSSL version since Qt 5.12.4 is 1.1.1.
     contains(QMAKE_HOST.arch, x86_64) {
         package.files += \
@@ -389,34 +390,6 @@ win32:*g++* {
             $$PWD/../../../dist/win/openssl/win32/libcrypto-1_1.dll \
             $$PWD/../../../dist/win/openssl/win32/libssl-1_1.dll
     }
-        } else {
-            package.files += \
-                $$PWD/../../../dist/win/msvcr120.dll \
-
-            contains(QMAKE_HOST.arch, x86_64) {
-                package.files += \
-                    $$PWD/../../../dist/win/openssl/win64/libeay32.dll \
-                    $$PWD/../../../dist/win/openssl/win64/ssleay32.dll
-            } else {
-                package.files += \
-                    $$PWD/../../../dist/win/openssl/win32/libeay32.dll \
-                    $$PWD/../../../dist/win/openssl/win32/ssleay32.dll
-            }
-        }
-    } else {
-        package.files += \
-            $$PWD/../../../dist/win/msvcr120.dll \
-
-        contains(QMAKE_HOST.arch, x86_64) {
-            package.files += \
-                $$PWD/../../../dist/win/openssl/win64/libeay32.dll \
-                $$PWD/../../../dist/win/openssl/win64/ssleay32.dll
-        } else {
-            package.files += \
-                $$PWD/../../../dist/win/openssl/win32/libeay32.dll \
-                $$PWD/../../../dist/win/openssl/win32/ssleay32.dll
-        }
-    }
 
     package.CONFIG = no_check_exist
     INSTALLS += package

src/app/valentina/xml/vpattern.cpp

@@ -103,16 +103,11 @@
 #include "../vtools/tools/vtooluniondetails.h"
 #include "../vwidgets/vabstractmainwindow.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 12, 0)
-#include "../vmisc/backport/qscopeguard.h"
-#else
-#include <QScopeGuard>
-#endif
-
 #include <QDebug>
 #include <QFileInfo>
 #include <QFuture>
 #include <QMessageBox>
+#include <QScopeGuard>
 #include <QTimer>
 #include <QUndoStack>
 #include <QtConcurrentMap>
@@ -121,16 +116,7 @@
 #include <chrono>
 #include <functional>
 
-#if (defined(Q_CC_GNU) && Q_CC_GNU < 409) && !defined(Q_CC_CLANG)
-// DO NOT WORK WITH GCC 4.8
-#else
-#if __cplusplus >= 201402L
 using namespace std::chrono_literals;
-#else
-#include "../vmisc/bpstd/chrono.hpp"
-using namespace bpstd::literals::chrono_literals;
-#endif // __cplusplus >= 201402L
-#endif //(defined(Q_CC_GNU) && Q_CC_GNU < 409) && !defined(Q_CC_CLANG)
 
 using namespace Qt::Literals::StringLiterals;
 
@@ -291,7 +277,7 @@ void VPattern::Parse(const Document &parse)
 
     if (VApplication::IsGUIMode())
     {
-        QTimer::singleShot(V_SECONDS(1), Qt::VeryCoarseTimer, this, &VPattern::RefreshPieceGeometry);
+        QTimer::singleShot(1s, Qt::VeryCoarseTimer, this, &VPattern::RefreshPieceGeometry);
     }
     else if (VApplication::CommandLine()->IsTestModeEnabled())
     {

src/libs/fervor/fvavailableupdate.h

@@ -28,10 +28,6 @@
 #include <QUrl>
 #include <QtGlobal>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
-
 class FvAvailableUpdate final : public QObject
 {
     Q_OBJECT // NOLINT

src/libs/fervor/fvupdatewindow.h

@@ -28,10 +28,6 @@
 #include <QString>
 #include <QtGlobal>
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
-
 class QGraphicsScene;
 
 namespace Ui

src/libs/qmuparser/qmudef.cpp

@@ -457,11 +457,7 @@ auto LocaleSign0(const QLocale &locale) -> QChar
     const QString sign = locale.toString(0);
     if (sign.size() == 1)
     {
-#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
         return sign.front();
-#else
-        return sign.at(0);
-#endif
     }
 
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
@@ -477,11 +473,7 @@ auto LocaleSign1(const QLocale &locale) -> QChar
     const QString sign = locale.toString(1);
     if (sign.size() == 1)
     {
-#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
         return sign.front();
-#else
-        return sign.at(0);
-#endif
     }
 
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
@@ -497,11 +489,7 @@ auto LocaleSign2(const QLocale &locale) -> QChar
     const QString sign = locale.toString(2);
     if (sign.size() == 1)
     {
-#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
         return sign.front();
-#else
-        return sign.at(0);
-#endif
     }
 
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
@@ -517,11 +505,7 @@ auto LocaleSign3(const QLocale &locale) -> QChar
     const QString sign = locale.toString(3);
     if (sign.size() == 1)
     {
-#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
         return sign.front();
-#else
-        return sign.at(0);
-#endif
     }
 
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
@@ -537,11 +521,7 @@ auto LocaleSign4(const QLocale &locale) -> QChar
     const QString sign = locale.toString(4);
     if (sign.size() == 1)
     {
-#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
         return sign.front();
-#else
-        return sign.at(0);
-#endif
     }
 
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
@@ -557,11 +537,7 @@ auto LocaleSign5(const QLocale &locale) -> QChar
     const QString sign = locale.toString(5);
     if (sign.size() == 1)
     {
-#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
         return sign.front();
-#else
-        return sign.at(0);
-#endif
     }
 
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
@@ -577,11 +553,7 @@ auto LocaleSign6(const QLocale &locale) -> QChar
     const QString sign = locale.toString(6);
     if (sign.size() == 1)
     {
-#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
         return sign.front();
-#else
-        return sign.at(0);
-#endif
     }
 
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
@@ -597,11 +569,7 @@ auto LocaleSign7(const QLocale &locale) -> QChar
     const QString sign = locale.toString(7);
     if (sign.size() == 1)
     {
-#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
         return sign.front();
-#else
-        return sign.at(0);
-#endif
     }
 
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
@@ -617,11 +585,7 @@ auto LocaleSign8(const QLocale &locale) -> QChar
     const QString sign = locale.toString(8);
     if (sign.size() == 1)
     {
-#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
         return sign.front();
-#else
-        return sign.at(0);
-#endif
     }
 
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
@@ -637,11 +601,7 @@ auto LocaleSign9(const QLocale &locale) -> QChar
     const QString sign = locale.toString(9);
     if (sign.size() == 1)
     {
-#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
         return sign.front();
-#else
-        return sign.at(0);
-#endif
     }
 
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)

src/libs/qmuparser/qmudef.h

@@ -25,13 +25,6 @@
 #include "qmuparser_global.h"
 #include "qmuparserdef.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#define Q_DISABLE_COPY_MOVE(Class)                                                                                     \
-    Q_DISABLE_COPY(Class)                                                                                              \
-    Class(Class &&) = delete;                                                                                          \
-    Class &operator=(Class &&) = delete;
-#endif
-
 #ifndef Q_DISABLE_ASSIGN
 #define Q_DISABLE_ASSIGN(Class) Class &operator=(const Class &) = delete;
 #endif

src/libs/qmuparser/qmuparser.cpp

@@ -23,15 +23,15 @@
 
 #include <QCoreApplication>
 #include <QLineF>
+#include <QtDebug>
 #include <QtGlobal>
+#include <QtMath>
 #include <sstream>
 #include <string>
-#include <QtDebug>
-#include <QtMath>
 
-#include "qmuparsererror.h"
 #include "../vmisc/defglobal.h"
 #include "qmudef.h"
+#include "qmuparsererror.h"
 
 /**
  * @file
@@ -103,11 +103,7 @@ auto CSR(qreal length, qreal split, qreal arcLength) -> qreal
         tmp.setAngle(tmp.angle() + angle * sign);
 
         QPointF crosPoint;
-#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
         const auto type = line.intersects(tmp, &crosPoint);
-#else
-        const auto type = line.intersect(tmp, &crosPoint);
-#endif
         if (type == QLineF::NoIntersection)
         {
             return 0;
@@ -116,12 +112,11 @@ auto CSR(qreal length, qreal split, qreal arcLength) -> qreal
         QLineF radius(crosPoint, tmp.p2());
         const qreal arcAngle = sign > 0 ? line.angleTo(radius) : radius.angleTo(line);
         arcL = (M_PI * radius.length()) / 180.0 * arcAngle;
-    }
+    } while (qAbs(arcL - arcLength) > (0.5 /*mm*/ / 25.4) * PrintDPI);
-    while(qAbs(arcL - arcLength) > (0.5/*mm*/ / 25.4) * PrintDPI);
 
     return angle;
 }
-}
+} // namespace
 
 /**
  * @brief Namespace for mathematical applications.
@@ -303,8 +298,8 @@ auto QmuParser::Sum(const qreal *a_afArg, qmusizetype a_iArgc) -> qreal
 {
     if (a_iArgc == 0)
     {
-        throw QmuParserError(QCoreApplication::translate("QmuParser", "too few arguments for function sum.",
+        throw QmuParserError(
-                                                         "parser error message"));
+            QCoreApplication::translate("QmuParser", "too few arguments for function sum.", "parser error message"));
     }
     qreal fRes = 0;
     for (int i = 0; i < a_iArgc; ++i)
@@ -324,8 +319,8 @@ auto QmuParser::Avg(const qreal *a_afArg, qmusizetype a_iArgc) -> qreal
 {
     if (a_iArgc == 0)
     {
-        throw QmuParserError(QCoreApplication::translate("QmuParser", "too few arguments for function sum.",
+        throw QmuParserError(
-                                                         "parser error message"));
+            QCoreApplication::translate("QmuParser", "too few arguments for function sum.", "parser error message"));
     }
     qreal fRes = 0;
     for (int i = 0; i < a_iArgc; ++i)
@@ -345,8 +340,8 @@ auto QmuParser::Min(const qreal *a_afArg, qmusizetype a_iArgc) -> qreal
 {
     if (a_iArgc == 0)
     {
-        throw QmuParserError(QCoreApplication::translate("QmuParser", "too few arguments for function min.",
+        throw QmuParserError(
-                                                         "parser error message"));
+            QCoreApplication::translate("QmuParser", "too few arguments for function min.", "parser error message"));
     }
     qreal fRes = a_afArg[0];
     for (int i = 0; i < a_iArgc; ++i)
@@ -366,8 +361,8 @@ auto QmuParser::Max(const qreal *a_afArg, qmusizetype a_iArgc) -> qreal
 {
     if (a_iArgc == 0)
     {
-        throw QmuParserError(QCoreApplication::translate("QmuParser", "too few arguments for function min.",
+        throw QmuParserError(
-                                                         "parser error message"));
+            QCoreApplication::translate("QmuParser", "too few arguments for function min.", "parser error message"));
     }
     qreal fRes = a_afArg[0];
     for (int i = 0; i < a_iArgc; ++i)
@@ -390,8 +385,8 @@ auto QmuParser::IsVal(const QString &a_szExpr, qmusizetype *a_iPos, qreal *a_fVa
 {
     qreal fVal(0);
 
-    qmusizetype pos = ReadVal(a_szExpr, fVal, locale != QLocale::c() && cNumbers ? QLocale::c() : locale, decimal,
+    qmusizetype pos =
-                            thousand);
+        ReadVal(a_szExpr, fVal, locale != QLocale::c() && cNumbers ? QLocale::c() : locale, decimal, thousand);
 
     if (pos == -1)
     {
@@ -409,7 +404,8 @@ auto QmuParser::IsVal(const QString &a_szExpr, qmusizetype *a_iPos, qreal *a_fVa
  *
  * Call QmuParserBase class constructor and trigger Function, Operator and Constant initialization.
  */
-QmuParser::QmuParser():QmuParserBase()
+QmuParser::QmuParser()
+  : QmuParserBase()
 {
     AddValIdent(IsVal);
 
@@ -579,10 +575,7 @@ void QmuParser::OnDetectVar(const QString &pExpr, qmusizetype &nStart, qmusizety
 // cppcheck-suppress unusedFunction
 auto QmuParser::Diff(qreal *a_Var, qreal a_fPos, qreal a_fEpsilon) const -> qreal
 {
-    qreal fRes(0),
+    qreal fRes(0), fBuf(*a_Var), f[4] = {0, 0, 0, 0}, fEpsilon(a_fEpsilon);
-          fBuf(*a_Var),
-          f[4] = {0, 0, 0, 0},
-          fEpsilon(a_fEpsilon);
 
     // Backwards compatible calculation of epsilon inc case the user doesnt provide
     // his own epsilon
@@ -591,10 +584,14 @@ auto QmuParser::Diff(qreal *a_Var, qreal a_fPos, qreal a_fEpsilon) const -> qrea
         fEpsilon = qFuzzyIsNull(a_fPos) ? static_cast<qreal>(1e-10) : static_cast<qreal>(1e-7) * a_fPos;
     }
 
-    *a_Var = a_fPos+2 * fEpsilon;  f[0] = Eval();
+    *a_Var = a_fPos + 2 * fEpsilon;
-    *a_Var = a_fPos+1 * fEpsilon;  f[1] = Eval();
+    f[0] = Eval();
-    *a_Var = a_fPos-1 * fEpsilon;  f[2] = Eval();
+    *a_Var = a_fPos + 1 * fEpsilon;
-    *a_Var = a_fPos-2 * fEpsilon;  f[3] = Eval();
+    f[1] = Eval();
+    *a_Var = a_fPos - 1 * fEpsilon;
+    f[2] = Eval();
+    *a_Var = a_fPos - 2 * fEpsilon;
+    f[3] = Eval();
     *a_Var = fBuf; // restore variable
 
     fRes = (-f[0] + 8 * f[1] - 8 * f[2] + f[3]) / (12 * fEpsilon);

src/libs/qmuparser/qmuparser.pri

@@ -34,5 +34,5 @@ HEADERS += \
     $$PWD/qmuformulabase.h \
     $$PWD/qmutokenparser.h \
     $$PWD/qmuparsercallback_p.h \
-    $$PWD/make_unique.h \
+    $$PWD/make_unique.h
-    $$PWD/text.h
+

src/libs/qmuparser/qmuparser.qbs

@@ -32,7 +32,6 @@ VDynamicLib {
         "qmutokenparser.h",
         "qmuparsercallback_p.h",
         "make_unique.h",
-        "text.h"
     ]
 
     cpp.defines: ["QMUPARSER_LIBRARY", 'QMUP_VERSION="' + product.version + '"']

src/libs/qmuparser/qmuparserbase.cpp

@@ -36,10 +36,6 @@
 
 #include "qmudef.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
-#include "text.h"
-#endif
-
 /**
  * @file
  * @brief This file contains the basic implementation of the muparser engine.

src/libs/qmuparser/qmuparserdef.h

@@ -64,34 +64,6 @@
 #define __has_cpp_attribute(x) 0
 #endif
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 8, 0)
-
-#ifndef QT_HAS_CPP_ATTRIBUTE
-#ifdef __has_cpp_attribute
-#define QT_HAS_CPP_ATTRIBUTE(x) __has_cpp_attribute(x)
-#else
-#define QT_HAS_CPP_ATTRIBUTE(x) 0
-#endif
-#endif // QT_HAS_CPP_ATTRIBUTE
-
-#if defined(__cplusplus)
-#if QT_HAS_CPP_ATTRIBUTE(clang::fallthrough)
-#define Q_FALLTHROUGH() [[clang::fallthrough]]
-#elif QT_HAS_CPP_ATTRIBUTE(gnu::fallthrough)
-#define Q_FALLTHROUGH() [[gnu::fallthrough]]
-#elif QT_HAS_CPP_ATTRIBUTE(fallthrough)
-#define Q_FALLTHROUGH() [[fallthrough]]
-#endif
-#endif
-#ifndef Q_FALLTHROUGH
-#if (defined(Q_CC_GNU) && Q_CC_GNU >= 700) && !defined(Q_CC_INTEL)
-#define Q_FALLTHROUGH() __attribute__((fallthrough))
-#else
-#define Q_FALLTHROUGH() (void)0
-#endif
-#endif // defined(__cplusplus)
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 8, 0)
-
 /** @brief If this macro is defined mathematical exceptions (div by zero) will be thrown as exceptions. */
 // #define QMUP_MATH_EXCEPTIONS
 

src/libs/qmuparser/qmuparsererror.h

@@ -34,10 +34,6 @@
 #include "qmuparserdef.h"
 #include "qmutranslation.h"
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#include "../vmisc/defglobal.h"
-#endif
-
 /** @file
     @brief This file defines the error class used by the parser.
 */

src/libs/qmuparser/qmuparsertest.h

@@ -22,17 +22,14 @@
 #ifndef QMUPARSERTEST_H
 #define QMUPARSERTEST_H
 
-#include <stdlib.h>
 #include <QMetaObject>
 #include <QObject>
+#include <QRandomGenerator>
 #include <QString>
 #include <QVector>
 #include <QtGlobal>
 #include <locale>
-
+#include <stdlib.h>
-#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
-#   include <QRandomGenerator>
-#endif
 
 #include "qmuparser.h"
 #include "qmuparser_global.h"
@@ -60,6 +57,7 @@ namespace Test
 class QMUPARSERSHARED_EXPORT QmuParserTester : public QObject // final
 {
     Q_OBJECT // NOLINT
+
 public:
     typedef int (QmuParserTester::*testfun_type)();
 
@@ -168,22 +166,14 @@ private:
 
     static auto Rnd(qreal v) -> qreal
     {
-#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
+        return static_cast<qreal>(
-        return static_cast<qreal>( ( 1 + ( v * QRandomGenerator().bounded(static_cast<qreal>(RAND_MAX)) /
+            (1 + (v * QRandomGenerator().bounded(static_cast<qreal>(RAND_MAX)) / (RAND_MAX + 1.0))));
-                                           ( RAND_MAX + 1.0 ) ) ) );
-#else
-        return static_cast<qreal>( ( 1 + ( v * qrand() / ( RAND_MAX + 1.0 ) ) ) );
-#endif
     }
 
     static auto RndWithString(const char_type *) -> qreal
     {
-#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
+        return static_cast<qreal>(
-        return static_cast<qreal>( ( 1 + ( 1000.0f * QRandomGenerator().bounded(static_cast<qreal>(RAND_MAX)) /
+            (1 + (1000.0f * QRandomGenerator().bounded(static_cast<qreal>(RAND_MAX)) / (RAND_MAX + 1.0))));
-                                           ( RAND_MAX + 1.0 ) ) ) );
-#else
-        return static_cast<qreal>( ( 1 + ( 1000.0f * static_cast<qreal>(qrand()) / ( RAND_MAX + 1.0 ) ) ) );
-#endif
     }
 
     static auto Ping() -> qreal { return 10; }

src/libs/qmuparser/text.h

@@ -1,52 +0,0 @@
-/************************************************************************
- **
- **  @file   text.h
- **  @author Roman Telezhynskyi <dismine(at)gmail.com>
- **  @date   21 2, 2023
- **
- **  @brief
- **  @copyright
- **  This source code is part of the Valentina project, a pattern making
- **  program, whose allow create and modeling patterns of clothing.
- **  Copyright (C) 2023 Valentina project
- **  <https://gitlab.com/smart-pattern/valentina> All Rights Reserved.
- **
- **  Valentina is free software: you can redistribute it and/or modify
- **  it under the terms of the GNU General Public License as published by
- **  the Free Software Foundation, either version 3 of the License, or
- **  (at your option) any later version.
- **
- **  Valentina is distributed in the hope that it will be useful,
- **  but WITHOUT ANY WARRANTY; without even the implied warranty of
- **  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- **  GNU General Public License for more details.
- **
- **  You should have received a copy of the GNU General Public License
- **  along with Valentina.  If not, see <http://www.gnu.org/licenses/>.
- **
- *************************************************************************/
-#ifndef TEXT_H
-#define TEXT_H
-
-#include <QtGlobal>
-
-#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
-#include <QTextStream>
-
-namespace Qt
-{
-QT_WARNING_PUSH
-QT_WARNING_DISABLE_GCC("-Wunused-variable")
-QT_WARNING_DISABLE_CLANG("-Wunused-variable")
-
-// static auto endl Q_DECL_UNUSED = ::endl; // NOLINT
-// static auto flush Q_DECL_UNUSED = ::flush; // NOLINT
-static auto dec Q_DECL_UNUSED = ::dec; // NOLINT
-// static auto SkipEmptyParts Q_DECL_UNUSED = QString::SkipEmptyParts; // NOLINT
-
-QT_WARNING_POP
-} // namespace Qt
-
-#endif
-
-#endif // TEXT_H

src/libs/vdxf/libdxfrw/drw_base.h

@@ -58,41 +58,6 @@
 #define __has_cpp_attribute(x) 0
 #endif
 
-#if QT_VERSION < QT_VERSION_CHECK(5, 8, 0)
-
-#ifndef QT_HAS_CPP_ATTRIBUTE
-#ifdef __has_cpp_attribute
-#define QT_HAS_CPP_ATTRIBUTE(x) __has_cpp_attribute(x)
-#else
-#define QT_HAS_CPP_ATTRIBUTE(x) 0
-#endif
-#endif // QT_HAS_CPP_ATTRIBUTE
-
-#if defined(__cplusplus)
-#if QT_HAS_CPP_ATTRIBUTE(clang::fallthrough)
-#define Q_FALLTHROUGH() [[clang::fallthrough]]
-#elif QT_HAS_CPP_ATTRIBUTE(gnu::fallthrough)
-#define Q_FALLTHROUGH() [[gnu::fallthrough]]
-#elif QT_HAS_CPP_ATTRIBUTE(fallthrough)
-#define Q_FALLTHROUGH() [[fallthrough]]
-#endif
-#endif
-#ifndef Q_FALLTHROUGH
-#if (defined(Q_CC_GNU) && Q_CC_GNU >= 700) && !defined(Q_CC_INTEL)
-#define Q_FALLTHROUGH() __attribute__((fallthrough))
-#else
-#define Q_FALLTHROUGH() (void)0
-#endif
-#endif // defined(__cplusplus)
-#endif // QT_VERSION < QT_VERSION_CHECK(5, 8, 0)
-
-#if QT_VERSION < QT_VERSION_CHECK(5, 13, 0)
-#define Q_DISABLE_COPY_MOVE(Class)                                                                                     \
-    Q_DISABLE_COPY(Class)                                                                                              \
-    Class(Class &&) = delete;                                                                                          \
-    Class &operator=(Class &&) = delete;
-#endif
-
 #ifndef Q_DISABLE_ASSIGN_MOVE
 #define Q_DISABLE_ASSIGN_MOVE(Class)                                                                                   \
     Q_DISABLE_ASSIGN(Class)                                                                                            \