update config window availScreenGeometry properly

app/view/settings/primaryconfigview.cpp

@@ -69,6 +69,7 @@ PrimaryConfigView::PrimaryConfigView(Plasma::Containment *containment, Latte::Vi
     m_screenSyncTimer.setSingleShot(true);
     m_screenSyncTimer.setInterval(100);
 
+    connect(this, &PrimaryConfigView::availableScreenGeometryChanged, this, &PrimaryConfigView::syncGeometry);
     connect(this, &PrimaryConfigView::complexityChanged, this, &PrimaryConfigView::saveConfig);
     connect(this, &PrimaryConfigView::complexityChanged, this, &PrimaryConfigView::updateShowInlineProperties);
     connect(this, &PrimaryConfigView::complexityChanged, this, &PrimaryConfigView::syncGeometry);
@@ -92,6 +93,10 @@ PrimaryConfigView::PrimaryConfigView(Plasma::Containment *containment, Latte::Vi
         m_thicknessSyncTimer.start();
     });
 
+    connections << connect(m_corona, &Latte::Corona::availableScreenRectChanged, this, [this]() {
+        updateAvailableScreenGeometry();
+    });
+
     if (m_corona) {
         connections << connect(m_corona, &Latte::Corona::raiseViewsTemporaryChanged, this, &PrimaryConfigView::raiseDocksTemporaryChanged);
     }
@@ -146,9 +151,7 @@ void PrimaryConfigView::init()
     QByteArray tempFilePath = "lattedockconfigurationui";
 
     updateEnabledBorders();
-
-    int currentScrId = m_latteView->positioner()->currentScreenId();
-    m_availableScreenGeometry = m_corona->availableScreenRect(currentScrId);
+    updateAvailableScreenGeometry();
 
     auto source = QUrl::fromLocalFile(m_latteView->containment()->corona()->kPackage().filePath(tempFilePath));
     setSource(source);
@@ -185,6 +188,14 @@ void PrimaryConfigView::deleteSecondaryWindow()
     }
 }
 
+void PrimaryConfigView::updateAvailableScreenGeometry()
+{
+    int currentScrId = m_latteView->positioner()->currentScreenId();
+    m_availableScreenGeometry = m_corona->availableScreenRect(currentScrId);
+
+    emit availableScreenGeometryChanged();
+}
+
 QRect PrimaryConfigView::availableScreenGeometry() const
 {
     return m_availableScreenGeometry;

app/view/settings/primaryconfigview.h

@@ -125,6 +125,7 @@ protected:
 
 private slots:
     void immutabilityChanged(Plasma::Types::ImmutabilityType type);
+    void updateAvailableScreenGeometry();
     void updateEnabledBorders();
     void updateShowInlineProperties();