remove Qt 5

src/core/iconfig.h

@@ -6,6 +6,7 @@
 #include <QJsonArray>
 #include <QBitArray>
 #include <QDataStream>
+#include <QIODevice>
 
 namespace vnotex
 {

src/core/notebook/node.cpp

@@ -8,6 +8,7 @@
 #include <core/exception.h>
 #include "notebook.h"
 #include "nodeparameters.h"
+#include <QRandomGenerator>
 
 using namespace vnotex;
 
@@ -483,7 +484,7 @@ QList<QSharedPointer<File>> Node::collectFiles()
 
 ID Node::generateSignature()
 {
-    return static_cast<ID>(QDateTime::currentDateTime().toSecsSinceEpoch() + (static_cast<qulonglong>(qrand()) << 32));
+    return static_cast<ID>(QDateTime::currentDateTime().toSecsSinceEpoch() + (static_cast<qulonglong>(QRandomGenerator::global()->generate()) << 32));
 }
 
 void Node::checkSignature()

src/core/notebook/notebookdatabaseaccess.cpp

@@ -560,7 +560,12 @@ bool NotebookDatabaseAccess::updateNodeTags(Node *p_node)
     const auto &nodeTags = p_node->getTags();
 
     {
-        const auto tags = QSet<QString>::fromList(queryNodeTags(p_node->getId()));
+        QStringList list = queryNodeTags(p_node->getId());
+        QSet<QString> tags;
+        for (auto &s : list)
+        {
+            tags.insert(s);
+        }
         if (tags.isEmpty() && nodeTags.isEmpty()) {
             return true;
         }
@@ -691,7 +696,7 @@ QList<ID> NotebookDatabaseAccess::queryTagNodesRecursive(const QString &p_tag)
         }
     }
 
-    return allIds.toList();
+    return allIds.values();
 }
 
 QStringList NotebookDatabaseAccess::queryTagAndChildren(const QString &p_tag)
@@ -742,7 +747,7 @@ QStringList NotebookDatabaseAccess::getNodesOfTags(const QStringList &p_tags)
                 allIds.insert(id);
             }
         }
-        nodeIds = allIds.toList();
+        nodeIds = allIds.values();
     }
 
     for (const auto &id : nodeIds) {

src/core/notebookconfigmgr/vxnotebookconfigmgr.cpp

@@ -465,7 +465,7 @@ QSharedPointer<Node> VXNotebookConfigMgr::loadNodeByPath(const QSharedPointer<No
         return p_root;
     }
 
-    auto paths = p.split('/', QString::SkipEmptyParts);
+    auto paths = p.split('/', Qt::SkipEmptyParts);
     auto node = p_root;
     for (auto &pa : paths) {
         // Find child @pa in @node.

src/export/webviewexporter.cpp

@@ -19,6 +19,7 @@
 #include <utils/processutils.h>
 #include <utils/htmlutils.h>
 #include <core/file.h>
+#include <QRegExp>
 
 using namespace vnotex;
 
@@ -362,7 +363,7 @@ bool WebViewExporter::embedStyleResources(QString &p_html) const
 
     int pos = 0;
     while (pos < p_html.size()) {
-        int idx = p_html.indexOf(reg, pos);
+        int idx = reg.indexIn(p_html, pos);
         if (idx == -1) {
             break;
         }
@@ -393,7 +394,7 @@ bool WebViewExporter::embedBodyResources(const QUrl &p_baseUrl, QString &p_html)
 
     int pos = 0;
     while (pos < p_html.size()) {
-        int idx = p_html.indexOf(reg, pos);
+        int idx = reg.indexIn(p_html, pos);
         if (idx == -1) {
             break;
         }
@@ -440,7 +441,7 @@ bool WebViewExporter::fixBodyResources(const QUrl &p_baseUrl,
 
     int pos = 0;
     while (pos < p_html.size()) {
-        int idx = p_html.indexOf(reg, pos);
+        int idx = reg.indexIn(p_html, pos);
         if (idx == -1) {
             break;
         }

src/main.cpp

@@ -31,7 +31,6 @@ using namespace vnotex;
 
 void loadTranslators(QApplication &p_app);
 
-void initWebEngineSettings();
 
 void showMessageOnCommandLineIfAvailable(const QString &p_msg);
 
@@ -79,7 +78,6 @@ int main(int argc, char *argv[])
 
     Application app(argc, argv);
 
-    initWebEngineSettings();
 
     QAccessible::installFactory(&FakeAccessible::accessibleFactory);
 
@@ -253,12 +251,6 @@ void loadTranslators(QApplication &p_app)
     }
 }
 
-void initWebEngineSettings()
-{
-    auto settings = QWebEngineSettings::defaultSettings();
-    settings->setAttribute(QWebEngineSettings::LocalContentCanAccessRemoteUrls, true);
-}
-
 void showMessageOnCommandLineIfAvailable(const QString &p_msg)
 {
 #if defined(Q_OS_WIN)

src/src.pro

@@ -2,7 +2,7 @@ lessThan(QT_MAJOR_VERSION, 5): error("requires Qt 5 and above")
 
 equals(QT_MAJOR_VERSION, 5):lessThan(QT_MINOR_VERSION, 12): error("requires Qt 5.12 and above")
 
-QT += core gui widgets webenginewidgets webchannel network svg printsupport
+QT += core gui widgets webenginewidgets webchannel network svg printsupport core5compat
 QT += sql
 
 CONFIG -= qtquickcompiler

src/unitedentry/iunitedentry.cpp

@@ -41,19 +41,19 @@ void IUnitedEntry::process(const QString &p_args,
         initOnFirstProcess();
     }
 
-    m_askedToStop.store(0);
+    m_askedToStop.storeRelaxed(0);
 
     return processInternal(p_args, p_popupWidgetFunc);
 }
 
 void IUnitedEntry::stop()
 {
-    m_askedToStop.store(1);
+    m_askedToStop.storeRelaxed(1);
 }
 
 bool IUnitedEntry::isAskedToStop() const
 {
-    return m_askedToStop.load() == 1;
+    return m_askedToStop.loadAcquire() == 1;
 }
 
 void IUnitedEntry::setOngoing(bool p_ongoing)

src/utils/asyncworker.cpp

@@ -9,12 +9,12 @@ AsyncWorker::AsyncWorker(QObject *p_parent)
 
 void AsyncWorker::stop()
 {
-    m_askedToStop.store(1);
+    m_askedToStop.fetchAndStoreAcquire(1);
 }
 
 bool AsyncWorker::isAskedToStop() const
 {
-    return m_askedToStop.load() == 1;
+    return m_askedToStop.loadAcquire() == 1;
 }
 
 

src/utils/fileutils.cpp

@@ -10,6 +10,7 @@
 #include <core/global.h>
 
 #include "pathutils.h"
+#include <QRandomGenerator>
 
 using namespace vnotex;
 
@@ -313,7 +314,7 @@ QString FileUtils::generateRandomFileName(const QString &p_hints, const QString
 
     // Do not use toSecsSinceEpoch() here since we want a short name.
     const QString timeStamp(QDateTime::currentDateTime().toString(QStringLiteral("sszzzmmHHyyMMdd")));
-    const QString baseName(QString::number(timeStamp.toLongLong() + qrand()));
+    const QString baseName(QString::number(timeStamp.toLongLong() + QRandomGenerator::global()->generate()));
 
     QString suffix;
     if (!p_suffix.isEmpty()) {

src/utils/htmlutils.cpp

@@ -1,13 +1,13 @@
 #include "htmlutils.h"
 
-#include <QRegExp>
+#include <QRegularExpression>
 
 using namespace vnotex;
 
 bool HtmlUtils::hasOnlyImgTag(const QString &p_html)
 {
     // Tricky.
-    QRegExp reg(QStringLiteral("<(?:p|span|div) "));
+    QRegularExpression reg(QStringLiteral("<(?:p|span|div) "));
     return !p_html.contains(reg);
 }
 

src/utils/iconutils.cpp

@@ -67,7 +67,7 @@ QString IconUtils::replaceForegroundOfIcon(const QString &p_iconContent, const Q
     }
 
     // Negative lookahead to avoid fill="none".
-    QRegExp styleRe(R"((\s|"|;)(fill|stroke)(:|(="))(?!none)[^;"]*)");
+    QRegularExpression styleRe(R"((\s|"|;)(fill|stroke)(:|(="))(?!none)[^;"]*)");
     if (p_iconContent.indexOf(styleRe) > -1) {
         auto newContent(p_iconContent);
         newContent.replace(styleRe, QString("\\1\\2\\3%1").arg(p_foreground));
@@ -85,7 +85,7 @@ bool IconUtils::isMonochrome(const QString &p_iconContent)
     QString lastColor = "";
     int pos = 0;
     while (pos < p_iconContent.size()) {
-        int idx = p_iconContent.indexOf(monoRe, pos);
+        int idx = monoRe.indexIn(p_iconContent, pos);
         if (idx == -1) {
             break;
         }

src/utils/printutils.cpp

@@ -11,7 +11,7 @@ QSharedPointer<QPrinter> PrintUtils::promptForPrint(bool p_printSelectionEnabled
 
     QPrintDialog dialog(printer.data(), p_parent);
     if (p_printSelectionEnabled) {
-        dialog.addEnabledOption(QAbstractPrintDialog::PrintSelection);
+        dialog.setOption(QAbstractPrintDialog::PrintSelection);
     }
 
     if (dialog.exec() == QDialog::Accepted) {

src/utils/utils.cpp

@@ -42,7 +42,7 @@ void Utils::appendMsg(QString &p_msg, const QString &p_new)
 
 QString Utils::dateTimeString(const QDateTime &p_dateTime)
 {
-    return p_dateTime.date().toString(Qt::DefaultLocaleLongDate)
+    return p_dateTime.date().toString(Qt::ISODate)
            + " "
            + p_dateTime.time().toString(Qt::TextDate);
 }

src/utils/utils.pri

@@ -1,4 +1,4 @@
-QT += widgets svg
+QT += widgets svg core5compat
 
 SOURCES += \
     $$PWD/asyncworker.cpp \

src/utils/webutils.cpp

@@ -58,7 +58,8 @@ QString WebUtils::toDataUri(const QUrl &p_url, bool p_keepTitle)
 
         if (!p_keepTitle) {
             // Remove <title>...</title>.
-            QRegExp reg("<title>.*</title>", Qt::CaseInsensitive);
+            QRegularExpression reg("<title>.*</title>");
+            reg.setPatternOptions(QRegularExpression::CaseInsensitiveOption);
             uri.remove(reg);
         }
     } else {

src/utils/widgetutils.cpp

@@ -6,7 +6,6 @@
 #include <QStyle>
 #include <QAbstractScrollArea>
 #include <QScrollBar>
-#include <QDesktopWidget>
 #include <QApplication>
 #include <QDesktopServices>
 #include <QKeyEvent>
@@ -71,8 +70,7 @@ bool WidgetUtils::isScrollBarVisible(QAbstractScrollArea *p_widget, bool p_horiz
 
 QSize WidgetUtils::availableScreenSize(QWidget *p_widget)
 {
-    auto geo = QApplication::desktop()->availableGeometry(p_widget);
-    return geo.size();
+    return p_widget->screen()->availableGeometry().size();
 }
 
 void WidgetUtils::openUrlByDesktop(const QUrl &p_url)
@@ -374,7 +372,7 @@ QString WidgetUtils::getMonospaceFont()
         for (const auto &candidate : candidates) {
             QString family = candidate.trimmed().toLower();
             for (auto availFamily : availFamilies) {
-                availFamily.remove(QRegExp("\\[.*\\]"));
+                availFamily.remove(QRegularExpression("\\[.*\\]"));
                 if (family == availFamily.trimmed().toLower()) {
                     font = availFamily;
                     return font;

src/widgets/dialogs/dialog.cpp

@@ -3,7 +3,6 @@
 #include <QVBoxLayout>
 #include <QDebug>
 #include <QApplication>
-#include <QDesktopWidget>
 #include <QScrollBar>
 #include <QTimer>
 #include <QPlainTextEdit>

src/widgets/dialogs/imageinsertdialog.cpp

@@ -6,7 +6,7 @@
 #include <QRegularExpression>
 #include <QLabel>
 #include <QPushButton>
-#include <QRegExpValidator>
+#include <QRegularExpressionValidator>
 #include <QSpinBox>
 #include <QSlider>
 #include <QScrollArea>
@@ -88,7 +88,7 @@ void ImageInsertDialog::setupUI(const QString &p_title,
 
     // Image Title.
     m_imageTitleEdit = WidgetsFactory::createLineEdit(p_imageTitle, mainWidget);
-    auto titleValidator = new QRegExpValidator(QRegExp(vte::MarkdownUtils::c_imageTitleRegExp), m_imageTitleEdit);
+    auto titleValidator = new QRegularExpressionValidator(QRegularExpression(vte::MarkdownUtils::c_imageTitleRegExp), m_imageTitleEdit);
     m_imageTitleEdit->setValidator(titleValidator);
     gridLayout->addWidget(new QLabel(tr("Title:"), mainWidget), 1, 0, 1, 1);
     gridLayout->addWidget(m_imageTitleEdit, 1, 1, 1, 3);
@@ -97,7 +97,7 @@ void ImageInsertDialog::setupUI(const QString &p_title,
 
     // Image Alt.
     m_imageAltEdit = WidgetsFactory::createLineEdit(p_imageAlt, mainWidget);
-    auto altValidator = new QRegExpValidator(QRegExp(vte::MarkdownUtils::c_imageAltRegExp), m_imageAltEdit);
+    auto altValidator = new QRegularExpressionValidator(QRegularExpression(vte::MarkdownUtils::c_imageAltRegExp), m_imageAltEdit);
     m_imageAltEdit->setValidator(altValidator);
     gridLayout->addWidget(new QLabel(tr("Alt text:"), mainWidget), 2, 0, 1, 1);
     gridLayout->addWidget(m_imageAltEdit, 2, 1, 1, 3);

src/widgets/dialogs/scrolldialog.cpp

@@ -4,7 +4,6 @@
 #include <QVBoxLayout>
 #include <QDebug>
 #include <QApplication>
-#include <QDesktopWidget>
 #include <QScrollBar>
 #include <QTimer>
 #include <QPlainTextEdit>

src/widgets/dialogs/selectdialog.cpp

@@ -73,7 +73,7 @@ void SelectDialog::addSelection(const QString &p_selectStr, int p_selectID)
     QChar shortcut;
     if (m_nextShortcut < c_cancelShortcut) {
         shortcut = m_nextShortcut;
-        m_nextShortcut = m_nextShortcut.toLatin1() + 1;
+        m_nextShortcut = QChar(m_nextShortcut.toLatin1() + 1);
     }
     const auto icon = IconUtils::drawTextIcon(shortcut, m_shortcutIconForeground, m_shortcutIconBorder);
     QListWidgetItem *item = new QListWidgetItem(icon, p_selectStr);

src/widgets/dialogs/settings/fileassociationpage.cpp

@@ -64,7 +64,7 @@ bool FileAssociationPage::saveInternal()
         if (name.isEmpty()) {
             continue;
         }
-        auto suffixes = lineEdit->text().split(c_suffixSeparator, QString::SkipEmptyParts);
+        auto suffixes = lineEdit->text().split(c_suffixSeparator, Qt::SkipEmptyParts);
         fileTypeSuffixes.push_back(CoreConfig::FileTypeSuffix(name, Utils::toLower(suffixes)));
     }
 

src/widgets/dialogs/sortdialog.cpp

@@ -110,7 +110,7 @@ void SortDialog::updateTreeWidget()
         item->setFlags(item->flags() & ~Qt::ItemIsDropEnabled);
     }
 
-    m_treeWidget->sortByColumn(-1);
+    m_treeWidget->sortByColumn(-1, Qt::AscendingOrder);
     m_treeWidget->setSortingEnabled(true);
 }
 
@@ -151,7 +151,7 @@ void SortDialog::handleMoveOperation(MoveOperation p_op)
     Q_ASSERT(first <= last && (last - first + 1) == selectedItems.size());
     QTreeWidgetItem *firstItem = nullptr;
 
-    m_treeWidget->sortByColumn(-1);
+    m_treeWidget->sortByColumn(-1, Qt::AscendingOrder);
 
     switch (p_op) {
     case MoveOperation::Top:

src/widgets/dialogs/tableinsertdialog.cpp

@@ -63,7 +63,9 @@ void TableInsertDialog::setupUI(const QString &p_title)
         buttonGroup->addButton(rightBtn, static_cast<int>(Alignment::Right));
 
         noneBtn->setChecked(true);
-        connect(buttonGroup, static_cast<void(QButtonGroup::*)(int, bool)>(&QButtonGroup::buttonToggled),
+        connect(buttonGroup, (void(QButtonGroup::*)(int, bool))(&QButtonGroup::buttonToggled),
+
+
                 this, [this](int p_id, bool p_checked){
                     if (p_checked) {
                         m_alignment = static_cast<Alignment>(p_id);

src/widgets/editors/markdowneditor.cpp

@@ -55,6 +55,7 @@
 #include <imagehost/imagehostutils.h>
 #include <imagehost/imagehost.h>
 #include <imagehost/imagehostmgr.h>
+#include <QRegExp>
 
 #include "previewhelper.h"
 #include "../outlineprovider.h"
@@ -1198,7 +1199,7 @@ void MarkdownEditor::handleHtmlToMarkdownData(quint64 p_id, TimeStamp p_timeStam
 
 static QString purifyImageTitle(QString p_title)
 {
-    return p_title.remove(QRegExp("[\\r\\n\\[\\]]"));
+    return p_title.remove(QRegularExpression("[\\r\\n\\[\\]]"));
 }
 
 void MarkdownEditor::fetchImagesToLocalAndReplace(QString &p_text)