ignore systrays at multi-screen considerations

--if a dock/panel was containing a systray there
was a chance that the systray was messing the
calculations for adding/removing docks based on
the screen and edges changes

app/layout.cpp

@@ -861,11 +861,9 @@ void Layout::addDock(Plasma::Containment *containment, bool forceOnPrimary, int
         return;
     }
 
-    auto metadata = containment->kPackage().metadata();
-
     qDebug() << "step 1...";
 
-    if (metadata.pluginId() != "org.kde.latte.containment")
+    if (!isLatteContainment(containment))
         return;
 
     qDebug() << "step 2...";
@@ -1423,9 +1421,7 @@ QList<Plasma::Containment *> Layout::importLayoutFile(QString file)
     //QList<Plasma::Containment *> systrays;
 
     foreach (auto containment, newContainments) {
-        KPluginMetaData meta = containment->kPackage().metadata();
-
-        if (meta.pluginId() == "org.kde.latte.containment") {
+        if (isLatteContainment(containment)) {
             qDebug() << "new latte containment id: " << containment->id();
             importedDocks << containment;
         }
@@ -1499,6 +1495,7 @@ void Layout::syncDockViewsToScreens()
 
     //! first step: primary docks must be placed in primary screen free edges
     foreach (auto containment, m_containments) {
+        if (isLatteContainment(containment)) {
             int screenId = containment->screen();
 
             if (screenId == -1) {
@@ -1513,9 +1510,11 @@ void Layout::syncDockViewsToScreens()
                 futureShownViews.append(containment->id());
             }
         }
+    }
 
     //! second step: explicit docks must be placed in their screens if the screen edge is free
     foreach (auto containment, m_containments) {
+        if (isLatteContainment(containment)) {
             int screenId = containment->screen();
 
             if (screenId == -1) {
@@ -1534,9 +1533,11 @@ void Layout::syncDockViewsToScreens()
                 }
             }
         }
+    }
 
     qDebug() << "PRIMARY SCREEN :: " << prmScreenName;
     qDebug() << "DOCKVIEWS MUST BE PRESENT AT :: " << futureDocksLocations;
+    qDebug() << "FUTURESHOWNVIEWS MUST BE :: " << futureShownViews;
 
     //! add views
     foreach (auto containment, m_containments) {
@@ -1547,7 +1548,7 @@ void Layout::syncDockViewsToScreens()
         }
 
         if (!dockViewExists(containment) && futureShownViews.contains(containment->id())) {
-            qDebug() << "syncDockViewsToScreens: view must be added... for:" << m_corona->screenPool()->connector(screenId);
+            qDebug() << "syncDockViewsToScreens: view must be added... for containment:" << containment->id() << " at screen:" << m_corona->screenPool()->connector(screenId);
             addDock(containment);
         }
     }
@@ -1555,7 +1556,7 @@ void Layout::syncDockViewsToScreens()
     //! remove views
     foreach (auto view, m_dockViews) {
         if (view->containment() && !futureShownViews.contains(view->containment()->id())) {
-            qDebug() << "syncDockViewsToScreens: view must be deleted... for:" << view->currentScreen();
+            qDebug() << "syncDockViewsToScreens: view must be deleted... for containment:" << view->containment()->id() << " at screen:" << view->currentScreen();
             auto viewToDelete = m_dockViews.take(view->containment());
             viewToDelete->disconnectSensitiveSignals();
             viewToDelete->deleteLater();
@@ -1808,7 +1809,7 @@ bool Layout::explicitDockOccupyEdge(int screen, Plasma::Types::Location location
     }
 
     foreach (auto containment, m_containments) {
-        if (containment->pluginMetaData().pluginId() == "org.kde.latte.containment") {
+        if (isLatteContainment(containment)) {
             bool onPrimary = containment->config().readEntry("onPrimary", true);
             int id = containment->lastScreen();
             Plasma::Types::Location contLocation = containment->location();
@@ -1829,7 +1830,7 @@ bool Layout::primaryDockOccupyEdge(Plasma::Types::Location location) const
     }
 
     foreach (auto containment, m_containments) {
-        if (containment->pluginMetaData().pluginId() == "org.kde.latte.containment") {
+        if (isLatteContainment(containment)) {
             bool onPrimary = containment->config().readEntry("onPrimary", true);
             Plasma::Types::Location contLocation = containment->location();
 
@@ -1842,6 +1843,19 @@ bool Layout::primaryDockOccupyEdge(Plasma::Types::Location location) const
     return false;
 }
 
+bool Layout::isLatteContainment(Plasma::Containment *containment) const
+{
+    if (!containment) {
+        return false;
+    }
+
+    if (containment->pluginMetaData().pluginId() == "org.kde.latte.containment") {
+        return true;
+    }
+
+    return false;
+}
+
 int Layout::noDocksWithTasks() const
 {
     if (!m_corona) {

app/layout.h

@@ -188,6 +188,9 @@ private:
     bool explicitDockOccupyEdge(int screen, Plasma::Types::Location location) const;
     bool primaryDockOccupyEdge(Plasma::Types::Location location) const;
 
+    //! Check if a containment is a latte dock/panel
+    bool isLatteContainment(Plasma::Containment *containment) const;
+
     bool kwin_disabledMaximizedBorders() const;
     void kwin_setDisabledMaximizedBorders(bool disable);