File fix-activating-appmenu.patch of Package plasmoid-active-window-control

From 933ab3d9d83124124ce3a91ffa32a506e7e6bb4e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Kostoln=C3=BD?= <clearmartin@zoho.com>
Date: Sun, 28 Jan 2018 23:31:08 +0100
Subject: [PATCH] Fix proper enabling & diabling appmenu

Do not register to appmenu service on creation of the applet. Instead register only when appmenu is actually enabled. Unregister when disabled.
---
 lib/appmenuapplet.cpp           | 63 ++++++++++++++++++++++++++++++-----------
 lib/appmenuapplet.h             | 13 +++++++--
 package/contents/ui/AppMenu.qml |  4 +++
 3 files changed, 61 insertions(+), 19 deletions(-)

diff --git a/lib/appmenuapplet.cpp b/lib/appmenuapplet.cpp
index 082ead3..ca66df4 100644
--- a/lib/appmenuapplet.cpp
+++ b/lib/appmenuapplet.cpp
@@ -42,13 +42,6 @@ static const QString s_viewService(QStringLiteral("org.kde.kappmenuview"));
 AppMenuApplet::AppMenuApplet(QObject *parent, const QVariantList &data)
     : Plasma::Applet(parent, data)
 {
-    ++s_refs;
-    //if we're the first, regster the service
-    if (s_refs == 1) {
-        QDBusConnection::sessionBus().interface()->registerService(s_viewService,
-                QDBusConnectionInterface::QueueService,
-                QDBusConnectionInterface::DontAllowReplacement);
-    }
     /*it registers or unregisters the service when the destroyed value of the applet change,
       and not in the dtor, because:
       when we "delete" an applet, it just hides it for about a minute setting its status
@@ -58,17 +51,9 @@ AppMenuApplet::AppMenuApplet(QObject *parent, const QVariantList &data)
       will have to be registered again*/
     connect(this, &Applet::destroyedChanged, this, [this](bool destroyed) {
         if (destroyed) {
-            //if we were the last, unregister
-            if (--s_refs == 0) {
-                QDBusConnection::sessionBus().interface()->unregisterService(s_viewService);
-            }
+            unregisterService();
         } else {
-            //if we're the first, regster the service
-            if (++s_refs == 1) {
-                QDBusConnection::sessionBus().interface()->registerService(s_viewService,
-                    QDBusConnectionInterface::QueueService,
-                    QDBusConnectionInterface::DontAllowReplacement);
-            }
+            registerService();
         }
     });
 }
@@ -84,6 +69,50 @@ AppMenuModel *AppMenuApplet::model() const
     return m_model;
 }
 
+void AppMenuApplet::registerService()
+{
+    qDebug() << "registering appmenu service";
+    ++s_refs;
+    //if we're the first, regster the service
+    if (s_refs == 1) {
+        qDebug() << " -> connecting to DBus";
+        QDBusConnection::sessionBus().interface()->registerService(s_viewService,
+                QDBusConnectionInterface::QueueService,
+                QDBusConnectionInterface::DontAllowReplacement);
+    }
+}
+
+void AppMenuApplet::unregisterService()
+{
+    qDebug() << "unregistering from appmenu service";
+    //if we were the last, unregister
+    if (--s_refs == 0) {
+        qDebug() << " -> disconnecting from DBus";
+        QDBusConnection::sessionBus().interface()->unregisterService(s_viewService);
+    }
+    if (s_refs < 0) {
+        s_refs = 0;
+    }
+}
+
+bool AppMenuApplet::enabled() const
+{
+    return m_enabled;
+}
+
+void AppMenuApplet::setEnabled(bool enabled)
+{
+    if (enabled == m_enabled) {
+        return;
+    }
+    if (enabled) {
+        registerService();
+    } else {
+        unregisterService();
+    }
+    m_enabled = enabled;
+}
+
 void AppMenuApplet::setModel(AppMenuModel *model)
 {
     if (m_model != model) {
diff --git a/lib/appmenuapplet.h b/lib/appmenuapplet.h
index 0633c32..ab0f5f2 100644
--- a/lib/appmenuapplet.h
+++ b/lib/appmenuapplet.h
@@ -35,6 +35,8 @@ class AppMenuApplet : public Plasma::Applet
 
     Q_PROPERTY(AppMenuModel* model READ model WRITE setModel NOTIFY modelChanged)
 
+    Q_PROPERTY(bool enabled READ enabled WRITE setEnabled NOTIFY enabledChanged)
+
     Q_PROPERTY(int view READ view WRITE setView NOTIFY viewChanged)
 
     Q_PROPERTY(int currentIndex READ currentIndex NOTIFY currentIndexChanged)
@@ -60,11 +62,18 @@ class AppMenuApplet : public Plasma::Applet
     AppMenuModel *model() const;
     void setModel(AppMenuModel *model);
 
+    bool enabled() const;
+    void setEnabled(bool enabled);
+
     int view() const;
     void setView(int type);
 
+    void registerService();
+    void unregisterService();
+
 signals:
     void modelChanged();
+    void enabledChanged();
     void viewChanged();
     void currentIndexChanged();
     void buttonGridChanged();
@@ -74,15 +83,15 @@ public slots:
     void trigger(QQuickItem *ctx, int idx);
 
 protected:
-    bool eventFilter(QObject *watched, QEvent *event) Q_DECL_OVERRIDE;
+    bool eventFilter(QObject *watched, QEvent *event) override;
 
 private:
     QMenu *createMenu(int idx) const;
     void setCurrentIndex(int currentIndex);
     void onMenuAboutToHide();
 
-
     int m_currentIndex = -1;
+    bool m_enabled = false;
     int m_viewType = FullView;
     QPointer<QMenu> m_currentMenu;
     QPointer<QQuickItem> m_buttonGrid;
diff --git a/package/contents/ui/AppMenu.qml b/package/contents/ui/AppMenu.qml
index 5413e1f..36a5ba5 100644
--- a/package/contents/ui/AppMenu.qml
+++ b/package/contents/ui/AppMenu.qml
@@ -45,6 +45,7 @@ Item {
 
         Component.onCompleted: {
             plasmoid.nativeInterface.buttonGrid = buttonGrid
+            plasmoid.nativeInterface.enabled = appmenuEnabled
         }
 
         Connections {
@@ -163,6 +164,9 @@ Item {
 
     onAppmenuEnabledChanged: {
         appmenu.resetAppmenuModel()
+        if (appMenuModel !== null) {
+            plasmoid.nativeInterface.enabled = appmenuEnabled
+        }
     }
 
 }
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