Dark theme support

.github/workflows/lint.yml

@@ -39,4 +39,4 @@ jobs:
       - name: Run clazy
         uses: ./.github/actions/run-linter
         with:
-          lint_program_with_args: clazy-standalone --checks=level1,no-fully-qualified-moc-types,no-non-pod-global-static,no-qstring-arg,no-qproperty-without-notify,no-range-loop-detach,no-lambda-unique-connection
+          lint_program_with_args: clazy-standalone --checks=level1,no-fully-qualified-moc-types,no-non-pod-global-static,no-qstring-arg,no-qproperty-without-notify,no-range-loop-detach,no-lambda-unique-connection,no-qstring-ref

libqf/libqfcore/CMakeLists.txt

@@ -5,11 +5,6 @@ add_library(libqfcore SHARED
     src/core/stacktrace.cpp
     src/core/string.cpp
     src/core/utils.cpp
-    src/model/datadocument.cpp
-    src/model/logtablemodel.cpp
-    src/model/sqldatadocument.cpp
-    src/model/sqltablemodel.cpp
-    src/model/tablemodel.cpp
     src/network/networkaccessmanager.cpp
     src/network/networkreply.cpp
     src/sql/catalog.cpp

libqf/libqfcore/src/core/utils.cpp

@@ -9,12 +9,6 @@
 
 namespace qf::core {
 
-const QString& Utils::nullValueString()
-{
-	static QString n = QStringLiteral("null");
-	return n;
-}
-
 void qf::core::Utils::parseFieldName(const QString &full_field_name, QString *pfield_name, QString *ptable_name, QString *pdb_name)
 {
 	QString s = full_field_name;
@@ -269,6 +263,9 @@ QStringList Utils::parseProgramAndArgumentsList(const QString &command_line)
 
 QVariant Utils::jsonToQVariant(const QString &json)
 {
+	if (json.isEmpty()) {
+		return {};
+	}
 	QJsonParseError error;
 	auto doc = QJsonDocument::fromJson(json.toUtf8(), &error);
 	if (error.error != QJsonParseError::NoError) {

libqf/libqfcore/src/core/utils.h

@@ -156,7 +156,6 @@ namespace core {
 class QFCORE_DECL_EXPORT Utils
 {
 public:
-	static const QString &nullValueString();
 	static void parseFieldName(const QString& full_field_name, QString *pfield_name = nullptr, QString *ptable_name = nullptr, QString *pdb_name = nullptr);
 	static QString composeFieldName(const QString &field_name, const QString &table_name = QString(), const QString &db_name = QString());
 	/// @returns: True if @a field_name1 ends with @a field_name2. Comparision is case insensitive

libqf/libqfcore/src/sql/connection.cpp

@@ -87,9 +87,11 @@ void Connection::close()
 Connection Connection::forName(const QString &connection_name)
 {
 	QString cn = connection_name;
-	if(cn.isEmpty())
+	if(cn.isEmpty()) {
 		cn = QSqlDatabase::defaultConnection;
-	Connection ret(QSqlDatabase::database(cn, false));
+	}
+	auto db = QSqlDatabase::database(cn, false);
+	Connection ret(db);
 	return ret;
 }
 

libqf/libqfqmlwidgets/CMakeLists.txt

@@ -7,6 +7,13 @@ add_library(libqfqmlwidgets SHARED
     src/dateedit.cpp
     src/datetimeedit.cpp
     src/dialogbuttonbox.cpp
+
+    src/model/datadocument.cpp
+    src/model/logtablemodel.cpp
+    src/model/sqldatadocument.cpp
+    src/model/sqltablemodel.cpp
+    src/model/tablemodel.cpp
+
     src/dialogs/dialog.cpp
     src/dialogs/filedialog.cpp
     src/dialogs/getiteminputdialog.cpp
@@ -98,8 +105,10 @@ add_library(libqfqmlwidgets SHARED
     src/timeedit.cpp
     src/toolbar.cpp
     style/qf_qmlwidgets_style.qrc
+
     images/qf_qmlwidgets_images.qrc
 	images/flat/qf_qmlwidgets_images_flat.qrc
+	images/dark/qf_qmlwidgets_images_dark.qrc
 	src/reports/widgets/printtableviewwidget/reports/qf_qmlwidgets_printtablewidget_reports.qrc
     )