KeysFiles: fix WalletKeysFilesModel, should be instantiable QML type

src/main/main.cpp

@@ -354,6 +354,7 @@ Verify update binary using 'shasum'-compatible (SHA256 algo) output signed by tw
     // registering types for QML
     qmlRegisterType<clipboardAdapter>("moneroComponents.Clipboard", 1, 0, "Clipboard");
     qmlRegisterType<Downloader>("moneroComponents.Downloader", 1, 0, "Downloader");
+    qmlRegisterType<WalletKeysFilesModel>("moneroComponents.WalletKeysFilesModel", 1, 0, "WalletKeysFilesModel");
 
     // Temporary Qt.labs.settings replacement
     qmlRegisterType<MoneroSettings>("moneroComponents.Settings", 1, 0, "MoneroSettings");
@@ -373,9 +374,6 @@ Verify update binary using 'shasum'-compatible (SHA256 algo) output signed by tw
     qmlRegisterUncreatableType<TranslationManager>("moneroComponents.TranslationManager", 1, 0, "TranslationManager",
                                                    "TranslationManager can't be instantiated directly");
 
-    qmlRegisterUncreatableType<WalletKeysFilesModel>("moneroComponents.walletKeysFilesModel", 1, 0, "WalletKeysFilesModel",
-                                                   "walletKeysFilesModel can't be instantiated directly");
-
     qmlRegisterUncreatableType<TransactionHistoryModel>("moneroComponents.TransactionHistoryModel", 1, 0, "TransactionHistoryModel",
                                                         "TransactionHistoryModel can't be instantiated directly");
 
@@ -475,11 +473,6 @@ Verify update binary using 'shasum'-compatible (SHA256 algo) output signed by tw
         engine.rootContext()->setContextProperty("desktopFolder", desktopFolder);
 #endif
 
-    // Wallet .keys files model (wizard -> open wallet)
-    WalletKeysFilesModel walletKeysFilesModel;
-    engine.rootContext()->setContextProperty("walletKeysFilesModel", &walletKeysFilesModel);
-    engine.rootContext()->setContextProperty("walletKeysFilesModelProxy", &walletKeysFilesModel.proxyModel());
-
     // Get default account name
     QString accountName = qgetenv("USER"); // mac/linux
     if (accountName.isEmpty())

src/qt/KeysFiles.cpp

@@ -81,17 +81,15 @@ quint8 WalletKeysFiles::networkType() const
 WalletKeysFilesModel::WalletKeysFilesModel(QObject *parent)
     : QAbstractListModel(parent)
 {
-    this->m_walletKeysFilesItemModel = qobject_cast<QAbstractItemModel *>(this);
-
-    this->m_walletKeysFilesModelProxy.setSourceModel(this->m_walletKeysFilesItemModel);
+    this->m_walletKeysFilesModelProxy.setSourceModel(this);
     this->m_walletKeysFilesModelProxy.setSortRole(WalletKeysFilesModel::ModifiedRole);
     this->m_walletKeysFilesModelProxy.setDynamicSortFilter(true);
     this->m_walletKeysFilesModelProxy.sort(0, Qt::DescendingOrder);
 }
 
-QSortFilterProxyModel &WalletKeysFilesModel::proxyModel()
+QSortFilterProxyModel *WalletKeysFilesModel::proxyModel()
 {
-    return m_walletKeysFilesModelProxy;
+    return &m_walletKeysFilesModelProxy;
 }
 
 void WalletKeysFilesModel::clear()

src/qt/KeysFiles.h

@@ -56,6 +56,8 @@ private:
 class WalletKeysFilesModel : public QAbstractListModel
 {
     Q_OBJECT
+    Q_PROPERTY(QSortFilterProxyModel *proxyModel READ proxyModel NOTIFY proxyModelChanged)
+
 public:
     enum KeysFilesRoles {
         FileNameRole = Qt::UserRole + 1,
@@ -74,16 +76,20 @@ public:
     void addWalletKeysFile(const WalletKeysFiles &walletKeysFile);
     int rowCount(const QModelIndex & parent = QModelIndex()) const;
 
-    QSortFilterProxyModel &proxyModel();
     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
     QHash<int, QByteArray> roleNames() const;
 
+private:
+    QSortFilterProxyModel *proxyModel();
+
 protected:
 
+signals:
+    void proxyModelChanged() const;
+
 private:
     QList<WalletKeysFiles> m_walletKeyFiles;
 
-    QAbstractItemModel *m_walletKeysFilesItemModel;
     QSortFilterProxyModel m_walletKeysFilesModelProxy;
 };
 

wizard/WizardOpenWallet1.qml

@@ -33,6 +33,7 @@ import QtQuick.Controls 2.0
 import QtGraphicalEffects 1.0
 import Qt.labs.folderlistmodel 2.1
 import moneroComponents.NetworkType 1.0
+import moneroComponents.WalletKeysFilesModel 1.0
 
 import "../js/Wizard.js" as Wizard
 import "../components"
@@ -45,7 +46,11 @@ Rectangle {
     color: "transparent"
     property alias pageHeight: pageRoot.height
     property string viewName: "wizardOpenWallet1"
-    property int walletCount: walletKeysFilesModel ? walletKeysFilesModel.rowCount() : 0
+    property int walletCount: walletKeysFilesModel.rowCount()
+
+    WalletKeysFilesModel {
+        id: walletKeysFilesModel
+    }
 
     ColumnLayout {
         id: pageRoot
@@ -112,7 +117,7 @@ Rectangle {
                 Repeater {
                     id: recentList
                     clip: true
-                    model: walletKeysFilesModelProxy
+                    model: walletKeysFilesModel.proxyModel
                     Layout.fillWidth: true
                     Layout.minimumWidth: flow.itemHeight
                     Layout.preferredHeight: parent.height