LockScreen: Use layout display name in KeyboardLayoutButton

Use display name (can be changed by user) instead of full layout name.
This matches the behavior of keyboard layout osd and systray.

REVIEW: 126944

components/keyboardlayout/keyboardlayout.cpp

@@ -74,11 +74,36 @@ void KeyboardLayout::onCurrentLayoutReceived(QDBusPendingCallWatcher *watcher)
         qCWarning(KEYBOARD_LAYOUT) << reply.error().message();
     } else {
         mCurrentLayout = reply.value();
+        requestCurrentLayoutDisplayName();
         Q_EMIT currentLayoutChanged(mCurrentLayout);
     }
     watcher->deleteLater();
 }
 
+void KeyboardLayout::requestCurrentLayoutDisplayName()
+{
+    QDBusPendingCall pendingDisplayName = mIface->asyncCallWithArgumentList(QStringLiteral("getLayoutDisplayName"), {mCurrentLayout});
+    QDBusPendingCallWatcher *watcher = new QDBusPendingCallWatcher(pendingDisplayName, this);
+    connect(watcher, &QDBusPendingCallWatcher::finished, this, &KeyboardLayout::onCurrentLayoutDisplayNameReceived);
+}
+
+void KeyboardLayout::onCurrentLayoutDisplayNameReceived(QDBusPendingCallWatcher *watcher)
+{
+    QDBusPendingReply<QString> reply = *watcher;
+    if (reply.isError()) {
+        qCWarning(KEYBOARD_LAYOUT) << reply.error().message();
+    } else {
+        mCurrentLayoutDisplayName = reply.value();
+        Q_EMIT currentLayoutDisplayNameChanged(mCurrentLayoutDisplayName);
+    }
+    watcher->deleteLater();
+}
+
+QString KeyboardLayout::currentLayoutDisplayName() const
+{
+    return mCurrentLayoutDisplayName;
+}
+
 void KeyboardLayout::requestLayoutsList()
 {
     if (!mIface) {
@@ -125,6 +150,7 @@ void KeyboardLayout::setCurrentLayout(const QString &layout)
     }
 
     mCurrentLayout = layout;
+    requestCurrentLayoutDisplayName();
     mIface->asyncCall(QStringLiteral("setLayout"), layout);
     Q_EMIT currentLayoutChanged(layout);
 }
@@ -135,9 +161,3 @@ QStringList KeyboardLayout::layouts() const
     return mLayouts;
 }
 
-void KeyboardLayout::onCurrentLayoutChanged(const QString &newLayout)
-{
-    mCurrentLayout = newLayout;
-    Q_EMIT currentLayoutChanged(newLayout);
-}
-

components/keyboardlayout/keyboardlayout.h

@@ -36,6 +36,10 @@ class KeyboardLayout : public QObject
                WRITE setCurrentLayout
                NOTIFY currentLayoutChanged)
 
+    Q_PROPERTY(QString currentLayoutDisplayName
+               READ currentLayoutDisplayName
+               NOTIFY currentLayoutDisplayNameChanged)
+
     Q_PROPERTY(QStringList layouts
                READ layouts
                NOTIFY layoutsChanged)
@@ -45,6 +49,7 @@ public:
     ~KeyboardLayout();
 
     QString currentLayout() const;
+    QString currentLayoutDisplayName() const;
     QStringList layouts() const;
 
 public Q_SLOTS:
@@ -52,20 +57,22 @@ public Q_SLOTS:
 
 Q_SIGNALS:
     void currentLayoutChanged(const QString &newLayout);
+    void currentLayoutDisplayNameChanged(const QString &newLayout);
     void layoutsChanged();
 
 private Q_SLOTS:
     void requestCurrentLayout();
+    void requestCurrentLayoutDisplayName();
     void requestLayoutsList();
 
     void onCurrentLayoutReceived(QDBusPendingCallWatcher *watcher);
+    void onCurrentLayoutDisplayNameReceived(QDBusPendingCallWatcher *watcher);
     void onLayoutsListReceived(QDBusPendingCallWatcher *watcher);
 
-    void onCurrentLayoutChanged(const QString &newLayout);
-
 private:
     QStringList mLayouts;
     QString mCurrentLayout;
+    QString mCurrentLayoutDisplayName;
     QDBusInterface *mIface;
 
 };

lookandfeel/contents/components/KeyboardLayoutButton.qml

@@ -25,11 +25,8 @@ import org.kde.plasma.workspace.keyboardlayout 1.0
 
 PlasmaComponents.Button {
     id: kbLayoutButton
-//     flat: false
-//     checkable: false
-    activeFocusOnTab: true
     implicitWidth: minimumWidth
-    text: layout.currentLayout
+    text: layout.currentLayoutDisplayName
 
     Accessible.name: i18ndc("plasma_lookandfeel_org.kde.lookandfeel", "Button to change keyboard layout", "Switch layout")