fix #565,full dynamic reload the layout

--the new layout is loaded without closing
Latte and with properly loading globalSettings
and screen from the layout file. The layout
new files are updated when Latte is closing

app/dockcorona.cpp

@@ -137,14 +137,16 @@ DockCorona::~DockCorona()
             const auto homeLatterc = QDir::homePath() + "/.config/lattedockrc";
             const auto homeAppletsrc = QDir::homePath() + "/.config/lattedock-appletsrc";
 
-            QFile::copy(latterc.fileName() , homeLatterc);
-            QFile::copy(appletsrc.fileName() , homeAppletsrc);
+            if (QFile::remove(homeLatterc) && QFile::remove(homeAppletsrc)){
+                QFile::copy(latterc.fileName() , homeLatterc);
+                QFile::copy(appletsrc.fileName() , homeAppletsrc);
+            }
 
             QDir tempLayoutDir(m_layoutDir);
 
             if (tempLayoutDir.exists() && m_layoutDir.startsWith("/tmp")) {
-                qDebug()<< "old layout directory should be deleted...";
-                //tempLayoutDir.removeRecursively();
+                qDebug()<< "old layout directory should be deleted... - " << tempLayoutDir.absolutePath();
+                tempLayoutDir.removeRecursively();
             }
         }
     }
@@ -203,15 +205,17 @@ bool DockCorona::reloadLayout(QString path)
 
         qDebug() << "reloadLayout: loading new layout - " << appletsrc.fileName();
 
+        m_screenPool->reload(m_layoutDir);
         loadLayout(appletsrc.fileName());
+        m_globalSettings->reload();
 
         foreach (auto containment, containments())
             addDock(containment);
 
         if (oldLayoutDir.exists() && oldLayoutDir.absolutePath().startsWith("/tmp")
                 && oldLayoutDir.absolutePath() != path) {
-            qDebug()<< "old layout directory should be deleted...";
-            //     oldLayoutDir.removeRecursively();
+            qDebug()<< "old layout directory should be deleted... - "<< oldLayoutDir.absolutePath();
+            oldLayoutDir.removeRecursively();
         }
 
         return true;

app/globalsettings.cpp

@@ -66,6 +66,12 @@ void GlobalSettings::init()
     initExtConfiguration();
 }
 
+void GlobalSettings::reload()
+{
+    m_configGroup = m_corona->config()->group("General");
+    load(false);
+}
+
 void GlobalSettings::initExtConfiguration()
 {
     KSharedConfigPtr extConfig = KSharedConfig::openConfig(QDir::homePath() + "/.config/lattedockextrc");
@@ -208,7 +214,7 @@ void GlobalSettings::setCurrentSession(Dock::SessionType session)
 }
 
 //!BEGIN configuration functions
-void GlobalSettings::load()
+void GlobalSettings::load(bool all)
 {
     m_exposeAltSession = m_configGroup.readEntry("exposeAltSession", false);
 
@@ -219,7 +225,9 @@ void GlobalSettings::load()
 
     emit exposeAltSessionChanged();
 
-    loadExtConfiguration();
+    if (all) {
+        loadExtConfiguration();
+    }
 }
 
 void GlobalSettings::loadLaunchers()

app/globalsettings.h

@@ -51,7 +51,8 @@ public:
     GlobalSettings(QObject *parent = nullptr);
     ~GlobalSettings() override;
 
-    void load();
+    void load(bool all=true);
+    void reload();
 
     bool autostart() const;
     void setAutostart(bool state);

app/screenpool.cpp

@@ -21,6 +21,7 @@
 #include <config-latte.h>
 
 #include <QDebug>
+#include <QFile>
 #include <QGuiApplication>
 #include <QScreen>
 
@@ -93,6 +94,22 @@ ScreenPool::~ScreenPool()
     m_configGroup.sync();
 }
 
+
+void ScreenPool::reload(QString path)
+{
+    QFile rcfile(QString(path + "/lattedockrc"));
+
+    if (rcfile.exists()){
+        qDebug() << "load screen connectors from ::: " << rcfile.fileName();
+        KSharedConfigPtr newFile = KSharedConfig::openConfig(rcfile.fileName());
+        m_configGroup = KConfigGroup(newFile, QStringLiteral("ScreenConnectors"));
+        load();
+    }
+
+
+
+}
+
 QString ScreenPool::primaryConnector() const
 {
     return m_primaryConnector;

app/screenpool.h

@@ -42,6 +42,7 @@ public:
     void setPrimaryConnector(const QString &primary);
 
     void insertScreenMapping(int id, const QString &connector);
+    void reload(QString path);
 
     int id(const QString &connector) const;