Fix numeric format configuration in dialog mode

python/PyQt6/gui/auto_additions/qgsnumericformatselectorwidget.py

@@ -7,3 +7,7 @@
     QgsNumericFormatSelectorWidget.__group__ = ['numericformats']
 except NameError:
     pass
+try:
+    QgsNumericFormatSelectorDialog.__group__ = ['numericformats']
+except NameError:
+    pass

python/PyQt6/gui/auto_generated/numericformats/qgsnumericformatselectorwidget.sip.in

@@ -9,7 +9,6 @@
 
 
 
-
 class QgsNumericFormatSelectorWidget : QgsPanelWidget
 {
 %Docstring(signature="appended")
@@ -61,6 +60,52 @@ Emitted whenever the format configured55 in the widget is changed.
 
 };
 
+
+class QgsNumericFormatSelectorDialog : QDialog
+{
+%Docstring(signature="appended")
+A simple dialog for customizing a numeric format.
+
+.. seealso:: :py:class:`QgsNumericFormatSelectorWidget`
+
+.. versionadded:: 3.40
+%End
+
+%TypeHeaderCode
+#include "qgsnumericformatselectorwidget.h"
+%End
+  public:
+
+    QgsNumericFormatSelectorDialog( QWidget *parent /TransferThis/ = 0, Qt::WindowFlags flags = QgsGuiUtils::ModalDialogFlags );
+%Docstring
+Constructor for QgsNumericFormatSelectorDialog.
+
+:param parent: parent widget
+:param flags: window flags for dialog
+%End
+
+    void setFormat( const QgsNumericFormat *format );
+%Docstring
+Sets the format to show in the dialog.
+%End
+
+    QgsNumericFormat *format() const /TransferBack/;
+%Docstring
+Returns a new format object representing the settings currently configured in the dialog.
+
+The caller takes ownership of the returned object.
+%End
+
+    void registerExpressionContextGenerator( QgsExpressionContextGenerator *generator );
+%Docstring
+Register an expression context ``generator`` class that will be used to retrieve
+an expression context for the dialog when required.
+
+Ownership is not transferred, and the ``generator`` must exist for the lifetime of this dialog.
+%End
+
+};
+
 /************************************************************************
  * This file has been generated automatically from                      *
  *                                                                      *

python/gui/auto_additions/qgsnumericformatselectorwidget.py

@@ -7,3 +7,7 @@
     QgsNumericFormatSelectorWidget.__group__ = ['numericformats']
 except NameError:
     pass
+try:
+    QgsNumericFormatSelectorDialog.__group__ = ['numericformats']
+except NameError:
+    pass

python/gui/auto_generated/numericformats/qgsnumericformatselectorwidget.sip.in

@@ -9,7 +9,6 @@
 
 
 
-
 class QgsNumericFormatSelectorWidget : QgsPanelWidget
 {
 %Docstring(signature="appended")
@@ -61,6 +60,52 @@ Emitted whenever the format configured55 in the widget is changed.
 
 };
 
+
+class QgsNumericFormatSelectorDialog : QDialog
+{
+%Docstring(signature="appended")
+A simple dialog for customizing a numeric format.
+
+.. seealso:: :py:class:`QgsNumericFormatSelectorWidget`
+
+.. versionadded:: 3.40
+%End
+
+%TypeHeaderCode
+#include "qgsnumericformatselectorwidget.h"
+%End
+  public:
+
+    QgsNumericFormatSelectorDialog( QWidget *parent /TransferThis/ = 0, Qt::WindowFlags flags = QgsGuiUtils::ModalDialogFlags );
+%Docstring
+Constructor for QgsNumericFormatSelectorDialog.
+
+:param parent: parent widget
+:param flags: window flags for dialog
+%End
+
+    void setFormat( const QgsNumericFormat *format );
+%Docstring
+Sets the format to show in the dialog.
+%End
+
+    QgsNumericFormat *format() const /TransferBack/;
+%Docstring
+Returns a new format object representing the settings currently configured in the dialog.
+
+The caller takes ownership of the returned object.
+%End
+
+    void registerExpressionContextGenerator( QgsExpressionContextGenerator *generator );
+%Docstring
+Register an expression context ``generator`` class that will be used to retrieve
+an expression context for the dialog when required.
+
+Ownership is not transferred, and the ``generator`` must exist for the lifetime of this dialog.
+%End
+
+};
+
 /************************************************************************
  * This file has been generated automatically from                      *
  *                                                                      *

src/gui/numericformats/qgsnumericformatselectorwidget.cpp

@@ -23,8 +23,8 @@
 #include "qgsnumericformatguiregistry.h"
 #include "qgsreadwritecontext.h"
 #include "qgsbasicnumericformat.h"
-#include <mutex>
-
+#include <QDialogButtonBox>
+#include <QPushButton>
 
 QgsNumericFormatSelectorWidget::QgsNumericFormatSelectorWidget( QWidget *parent )
   : QgsPanelWidget( parent )
@@ -166,3 +166,43 @@ void QgsNumericFormatSelectorWidget::updateSampleText()
                          .arg( QChar( 0x2192 ) )
                          .arg( mCurrentFormat->formatDouble( sampleValue, QgsNumericFormatContext() ) ) );
 }
+
+//
+// QgsNumericFormatSelectorDialog
+//
+
+QgsNumericFormatSelectorDialog::QgsNumericFormatSelectorDialog( QWidget *parent, Qt::WindowFlags fl )
+  : QDialog( parent, fl )
+{
+  setWindowTitle( tr( "Numeric Format" ) );
+
+  mFormatWidget = new QgsNumericFormatSelectorWidget( this );
+  mFormatWidget->layout()->setContentsMargins( 0, 0, 0, 0 );
+
+  QVBoxLayout *layout = new QVBoxLayout( this );
+  layout->addWidget( mFormatWidget );
+
+  mButtonBox = new QDialogButtonBox( QDialogButtonBox::Ok | QDialogButtonBox::Cancel | QDialogButtonBox::Help, Qt::Horizontal, this );
+  layout->addWidget( mButtonBox );
+
+  setLayout( layout );
+  QgsGui::enableAutoGeometryRestore( this );
+
+  connect( mButtonBox->button( QDialogButtonBox::Ok ), &QAbstractButton::clicked, this, &QDialog::accept );
+  connect( mButtonBox->button( QDialogButtonBox::Cancel ), &QAbstractButton::clicked, this, &QDialog::reject );
+}
+
+void QgsNumericFormatSelectorDialog::setFormat( const QgsNumericFormat *format )
+{
+  mFormatWidget->setFormat( format );
+}
+
+QgsNumericFormat *QgsNumericFormatSelectorDialog::format() const
+{
+  return mFormatWidget->format();
+}
+
+void QgsNumericFormatSelectorDialog::registerExpressionContextGenerator( QgsExpressionContextGenerator *generator )
+{
+  mFormatWidget->registerExpressionContextGenerator( generator );
+}

src/gui/numericformats/qgsnumericformatselectorwidget.h

@@ -18,13 +18,15 @@
 
 #include "qgis_gui.h"
 #include "qgis_sip.h"
+#include "qgsguiutils.h"
 #include "ui_qgsnumericformatselectorbase.h"
 #include <memory>
+#include <QDialog>
 
 class QgsNumericFormat;
 class QgsBasicNumericFormat;
 class QgsExpressionContextGenerator;
-
+class QDialogButtonBox;
 
 /**
  * \ingroup gui
@@ -90,4 +92,53 @@ class GUI_EXPORT QgsNumericFormatSelectorWidget : public QgsPanelWidget, private
     QgsExpressionContextGenerator *mExpressionContextGenerator = nullptr;
 };
 
+
+/**
+ * \class QgsNumericFormatSelectorDialog
+ * \ingroup gui
+ * \brief A simple dialog for customizing a numeric format.
+ *
+ * \see QgsNumericFormatSelectorWidget()
+ * \since QGIS 3.40
+ */
+class GUI_EXPORT QgsNumericFormatSelectorDialog : public QDialog
+{
+    Q_OBJECT
+
+  public:
+
+    /**
+     * Constructor for QgsNumericFormatSelectorDialog.
+     * \param parent parent widget
+     * \param flags window flags for dialog
+     */
+    QgsNumericFormatSelectorDialog( QWidget *parent SIP_TRANSFERTHIS = nullptr, Qt::WindowFlags flags = QgsGuiUtils::ModalDialogFlags );
+
+    /**
+     * Sets the format to show in the dialog.
+     */
+    void setFormat( const QgsNumericFormat *format );
+
+    /**
+     * Returns a new format object representing the settings currently configured in the dialog.
+     *
+     * The caller takes ownership of the returned object.
+     */
+    QgsNumericFormat *format() const SIP_TRANSFERBACK;
+
+    /**
+     * Register an expression context \a generator class that will be used to retrieve
+     * an expression context for the dialog when required.
+     *
+     * Ownership is not transferred, and the \a generator must exist for the lifetime of this dialog.
+     */
+    void registerExpressionContextGenerator( QgsExpressionContextGenerator *generator );
+
+  private:
+
+    QgsNumericFormatSelectorWidget *mFormatWidget = nullptr;
+    QDialogButtonBox *mButtonBox = nullptr;
+
+};
+
 #endif //QGSNUMERICFORMATSELECTORWIDGET_H

src/gui/symbology/qgssymbollayerwidget.cpp

@@ -5697,6 +5697,13 @@ void QgsLinearReferencingSymbolLayerWidget::changeNumberFormat()
   }
   else
   {
-    // TODO!! dialog mode
+    QgsNumericFormatSelectorDialog dialog( this );
+    dialog.setFormat( mLayer->numericFormat() );
+    dialog.registerExpressionContextGenerator( this );
+    if ( dialog.exec() )
+    {
+      mLayer->setNumericFormat( dialog.format() );
+      emit changed();
+    }
   }
 }