fix #102,show apps menu with Super key

--this needs from the user side to add
in the .config/kwinrc

[ModifierOnlyShortcuts]
Meta=org.kde.lattedock,/Latte,org.kde.LatteDock,activateLauncherMenu

CMakeLists.txt

@@ -16,7 +16,7 @@ set(KF5_LOCALE_PREFIX "")
 find_package(ECM 1.8.0 REQUIRED NO_MODULE)
 set(CMAKE_MODULE_PATH ${ECM_MODULE_PATH} ${ECM_KDE_MODULE_DIR})
 
-find_package(Qt5 ${QT_MIN_VERSION} CONFIG REQUIRED NO_MODULE COMPONENTS Quick Qml)
+find_package(Qt5 ${QT_MIN_VERSION} CONFIG REQUIRED NO_MODULE COMPONENTS Quick Qml DBus)
 find_package(KF5 ${KF5_MIN_VERSION} REQUIRED COMPONENTS
     Plasma PlasmaQuick WindowSystem Declarative Activities
     I18n CoreAddons XmlGui DBusAddons IconThemes Wayland)

app/CMakeLists.txt

@@ -15,14 +15,19 @@ set(lattedock-app_SRCS
     main.cpp
 )
 
+set(latte_dbusXML dbus/org.kde.LatteDock.xml)
+qt5_add_dbus_adaptor(lattedock-app_SRCS ${latte_dbusXML} dockcorona.h Latte::DockCorona lattedockadaptor)
+
 add_executable(latte-dock ${lattedock-app_SRCS})
 
 include(FakeTarget.cmake)
 
 target_link_libraries(latte-dock
+    Qt5::DBus
     Qt5::Quick
     Qt5::Qml
     KF5::I18n
+    KF5::DBusAddons
     KF5::Declarative
     KF5::CoreAddons
     KF5::XmlGui
@@ -43,5 +48,7 @@ if(HAVE_X11)
 endif()
 
 configure_file(latte-dock.desktop.cmake latte-dock.desktop)
+
 install(TARGETS latte-dock ${KDE_INSTALL_TARGETS_DEFAULT_ARGS})
 install(FILES ${CMAKE_CURRENT_BINARY_DIR}/latte-dock.desktop DESTINATION ${KDE_INSTALL_APPDIR})
+install(FILES dbus/org.kde.LatteDock.xml DESTINATION ${KDE_INSTALL_DBUSINTERFACEDIR} )

app/dbus/org.kde.LatteDock.xml

@@ -0,0 +1,7 @@
+<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN" "http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
+<node>
+  <interface name="org.kde.LatteDock">
+    <method name="activateLauncherMenu">
+    </method>
+  </interface>
+</node>

app/dockcorona.cpp

@@ -24,10 +24,13 @@
 #include "abstractwindowinterface.h"
 #include "alternativeshelper.h"
 #include "screenpool.h"
+//dbus adaptor
+#include "lattedockadaptor.h"
 
 #include <QAction>
 #include <QApplication>
 #include <QScreen>
+#include <QDBusConnection>
 #include <QDebug>
 #include <QDesktopWidget>
 #include <QDir>
@@ -77,6 +80,11 @@ DockCorona::DockCorona(QObject *parent)
     m_docksScreenSyncTimer.setSingleShot(true);
     m_docksScreenSyncTimer.setInterval(2500);
     connect(&m_docksScreenSyncTimer, &QTimer::timeout, this, &DockCorona::syncDockViews);
+
+    //! Dbus adaptor initialization
+    new LatteDockAdaptor(this);
+    QDBusConnection dbus = QDBusConnection::sessionBus();
+    dbus.registerObject(QStringLiteral("/Latte"), this);
 }
 
 DockCorona::~DockCorona()
@@ -1088,6 +1096,25 @@ bool DockCorona::containmentContainsTasks(Plasma::Containment *cont)
     return false;
 }
 
+//! Activate launcher menu through dbus interface
+void DockCorona::activateLauncherMenu()
+{
+    for (auto it = m_dockViews.constBegin(), end = m_dockViews.constEnd(); it != end; ++it) {
+        const auto applets = it.key()->applets();
+
+        for (auto applet : applets) {
+            const auto provides = KPluginMetaData::readStringList(applet->pluginMetaData().rawData(), QStringLiteral("X-Plasma-Provides"));
+
+            if (provides.contains(QLatin1String("org.kde.plasma.launchermenu"))) {
+                // if (!applet->globalShortcut().isEmpty()) {
+                emit applet->activated();
+                return;
+                //  }
+            }
+        }
+    }
+}
+
 inline void DockCorona::qmlRegisterTypes() const
 {
     qmlRegisterType<QScreen>();

app/dockcorona.h

@@ -45,6 +45,7 @@ namespace Latte {
 
 class DockCorona : public Plasma::Corona {
     Q_OBJECT
+    Q_CLASSINFO("D-Bus Interface", "org.kde.LatteDock")
 
 public:
     DockCorona(QObject *parent = nullptr);
@@ -82,6 +83,7 @@ public:
     ScreenPool *screenPool() const;
 
 public slots:
+    void activateLauncherMenu();
     void loadDefaultLayout() override;
     void dockContainmentDestroyed(QObject *cont);
 

app/latte-dock.desktop.cmake

@@ -20,9 +20,11 @@ Categories=Utility;X-SuSE-DesktopUtility;
 Exec=latte-dock %u
 Icon=latte-dock
 InitialPreference=1
-StartupNotify=true
 Terminal=false
 Type=Application
 X-KDE-PluginInfo-Author=@AUTHOR@
 X-KDE-PluginInfo-Email=@EMAIL@
 X-KDE-PluginInfo-Website=@WEBSITE@
+X-KDE-StartupNotify=false
+X-DBUS-StartupType=Unique
+X-DBUS-ServiceName=org.kde.lattedock

app/main.cpp

@@ -36,6 +36,7 @@
 
 #include <KLocalizedString>
 #include <KAboutData>
+#include <KDBusService>
 
 
 //! COLORS
@@ -50,7 +51,8 @@
 inline void configureAboutData();
 
 int main(int argc, char **argv)
-{    //    Devive pixel ratio has some problems in latte (plasmashell) currently.
+{
+    //    Devive pixel ratio has some problems in latte (plasmashell) currently.
     //     - dialog continually expands (347951)
     //     - Text element text is screwed (QTBUG-42606)
     //     - Panel struts (350614)
@@ -82,8 +84,10 @@ int main(int argc, char **argv)
     QLockFile lockFile {QDir::tempPath() + "/latte-dock.lock"};
 
     int timeout {100};
+
     if (parser.isSet(QStringLiteral("replace"))) {
         qint64 pid{ -1};
+
         if (lockFile.getLockInfo(&pid, nullptr, nullptr)) {
             kill(static_cast<__pid_t>(pid), SIGINT);
             timeout = 3000;
@@ -121,6 +125,8 @@ int main(int argc, char **argv)
     std::signal(SIGINT, signal_handler);
 
     Latte::DockCorona corona;
+    KDBusService service(KDBusService::Unique);
+
     return app.exec();
 }
 

po/desktop-templates/latte-dock.desktop.template

@@ -8,9 +8,11 @@ Categories=Utility;X-SuSE-DesktopUtility;
 Exec=latte-dock %u
 Icon=latte-dock
 InitialPreference=1
-StartupNotify=true
 Terminal=false
 Type=Application
 X-KDE-PluginInfo-Author=@AUTHOR@
 X-KDE-PluginInfo-Email=@EMAIL@
 X-KDE-PluginInfo-Website=@WEBSITE@
+X-KDE-StartupNotify=false
+X-DBUS-StartupType=Unique
+X-DBUS-ServiceName=org.kde.lattedock