HomeScreen: Support the meta key

While using the shell, add some value to the Meta key so the shell is
more useful when using a keyboard.

containments/homescreen/CMakeLists.txt

@@ -16,6 +16,7 @@ target_link_libraries(plasma_containment_phone_homescreen
                       KF5::KIOGui
                       KF5::Notifications
                       KF5::WaylandClient
+                      KF5::WindowSystem
 )
 
 

containments/homescreen/homescreen.cpp

@@ -5,6 +5,7 @@
 
 #include "homescreen.h"
 
+#include <KWindowSystem>
 #include <QDebug>
 #include <QQuickItem>
 #include <QtQml>
@@ -12,8 +13,8 @@
 HomeScreen::HomeScreen(QObject *parent, const QVariantList &args)
     : Plasma::Containment(parent, args)
 {
-
     setHasConfigurationInterface(true);
+    connect(KWindowSystem::self(), &KWindowSystem::showingDesktopChanged, this, &HomeScreen::showingDesktopChanged);
 }
 
 HomeScreen::~HomeScreen() = default;
@@ -42,6 +43,16 @@ void HomeScreen::stackAfter(QQuickItem *item1, QQuickItem *item2)
     item1->stackAfter(item2);
 }
 
+bool HomeScreen::showingDesktop() const
+{
+    return KWindowSystem::showingDesktop();
+}
+
+void HomeScreen::setShowingDesktop(bool showingDesktop)
+{
+    KWindowSystem::setShowingDesktop(showingDesktop);
+}
+
 K_PLUGIN_CLASS_WITH_JSON(HomeScreen, "metadata.json")
 
 #include "homescreen.moc"

containments/homescreen/homescreen.h

@@ -16,6 +16,7 @@ class FavoritesModel;
 class HomeScreen : public Plasma::Containment
 {
     Q_OBJECT
+    Q_PROPERTY(bool showingDesktop READ showingDesktop WRITE setShowingDesktop NOTIFY showingDesktopChanged)
 
 public:
     HomeScreen(QObject *parent, const QVariantList &args);
@@ -23,10 +24,15 @@ public:
 
     void configChanged() override;
 
+    bool showingDesktop() const;
+    void setShowingDesktop(bool showingDesktop);
 
     Q_INVOKABLE void stackBefore(QQuickItem *item1, QQuickItem *item2);
     Q_INVOKABLE void stackAfter(QQuickItem *item1, QQuickItem *item2);
 
+Q_SIGNALS:
+    void showingDesktopChanged(bool showingDesktop);
+
 protected:
     // void configChanged() override;
 

containments/homescreen/package/contents/ui/main.qml

@@ -113,6 +113,23 @@ FocusScope {
         }
     }
 
+    Plasmoid.onActivated: {
+        console.log("Triggered!", plasmoid.nativeInterface.showingDesktop)
+
+        // there's a couple of steps:
+        // - minimize windows
+        // - open app drawer
+        // - restore windows
+        if (!plasmoid.nativeInterface.showingDesktop) {
+            plasmoid.nativeInterface.showingDesktop = true
+        } else if (appDrawer.status !== HomeScreenComponents.AppDrawer.Status.Open) {
+            mainFlickable.currentIndex = 0
+            appDrawer.open()
+        } else {
+            plasmoid.nativeInterface.showingDesktop = false
+            appDrawer.close()
+        }
+    }
     HomeScreenComponents.AppDrawer {
         id: appDrawer
         anchors.fill: parent

containments/homescreen/package/metadata.desktop

@@ -49,3 +49,4 @@ X-KDE-PluginInfo-Name=org.kde.phone.homescreen
 X-KDE-PluginInfo-Version=
 X-KDE-PluginInfo-Website=
 X-Plasma-MainScript=ui/main.qml
+X-Plasma-Provides=org.kde.plasma.launchermenu

shell/contents/layout.js

@@ -3,6 +3,8 @@ for (var j = 0; j < desktopsArray.length; j++) {
     desktopsArray[j].wallpaperPlugin = "org.kde.image";
 }
 desktopsArray[0].addWidget("org.kde.phone.krunner", 0, 0, screenGeometry(0).width, 20)
+desktopsArray[0].currentConfigGroup = ["Shortcuts"]
+desktopsArray[0].writeConfig("global", "Meta+F1")
 
 // keep this list in sync with shell/contents/updates/panelsfix.js
 var panel = new Panel("org.kde.phone.panel");