Add AppletPopup window type to PlasmaShellSurface

See discussion in plasma-framework!500.

CCBUG: 411462
CCBUG: 332512

autotests/client/test_plasmashell.cpp

@@ -146,6 +146,7 @@ void TestPlasmaShell::testRole_data()
     QTest::newRow("notification") << PlasmaShellSurface::Role::Notification << PlasmaShellSurfaceInterface::Role::Notification;
     QTest::newRow("tooltip") << PlasmaShellSurface::Role::ToolTip << PlasmaShellSurfaceInterface::Role::ToolTip;
     QTest::newRow("criticalnotification") << PlasmaShellSurface::Role::CriticalNotification << PlasmaShellSurfaceInterface::Role::CriticalNotification;
+    QTest::newRow("appletpopup") << PlasmaShellSurface::Role::AppletPopup << PlasmaShellSurfaceInterface::Role::AppletPopup;
 }
 
 void TestPlasmaShell::testRole()

src/client/plasmashell.cpp

@@ -275,6 +275,9 @@ void PlasmaShellSurface::setRole(PlasmaShellSurface::Role role)
             wlRole = ORG_KDE_PLASMA_SURFACE_ROLE_CRITICALNOTIFICATION;
         }
         break;
+    case Role::AppletPopup:
+        wlRole = ORG_KDE_PLASMA_SURFACE_ROLE_APPLETPOPUP;
+        break;
     default:
         Q_UNREACHABLE();
         break;

src/client/plasmashell.h

@@ -234,6 +234,7 @@ public:
         Notification, ///< The Surface represents a notification @since 5.24
         ToolTip, ///< The Surface represents a tooltip @since 5.24
         CriticalNotification, ///< The Surface represents a critical notification, like battery is running out @since 5.58
+        AppletPopup, ///< The Surface used for applets
     };
     /**
      * Changes the requested Role to @p role.

src/server/plasmashell_interface.cpp

@@ -35,7 +35,7 @@ private:
     static const quint32 s_version;
 };
 
-const quint32 PlasmaShellInterface::Private::s_version = 6;
+const quint32 PlasmaShellInterface::Private::s_version = 7;
 
 PlasmaShellInterface::Private::Private(PlasmaShellInterface *q, Display *d)
     : Global::Private(d, &org_kde_plasma_shell_interface, s_version)
@@ -237,6 +237,9 @@ void PlasmaShellSurfaceInterface::Private::setRole(uint32_t role)
     case ORG_KDE_PLASMA_SURFACE_ROLE_CRITICALNOTIFICATION:
         r = Role::CriticalNotification;
         break;
+    case ORG_KDE_PLASMA_SURFACE_ROLE_APPLETPOPUP:
+        r = Role::AppletPopup;
+        break;
     case ORG_KDE_PLASMA_SURFACE_ROLE_NORMAL:
     default:
         r = Role::Normal;

src/server/plasmashell_interface.h

@@ -96,6 +96,7 @@ public:
         Notification, ///< The surface represents a notification @since 5.24
         ToolTip, ///< The surface represents a tooltip @since 5.24
         CriticalNotification, ///< The surface represents a critical notification, like battery is running out @since 5.58
+        AppletPopup, ///< The surface represents an applet
     };
     /**
      * @returns The requested role, default value is @c Role::Normal.

tests/plasmasurfacetest.cpp

@@ -155,6 +155,8 @@ int main(int argc, char **argv)
     parser.addOption(notificationOption);
     QCommandLineOption criticalNotificationOption(QStringLiteral("criticalNotification"));
     parser.addOption(criticalNotificationOption);
+    QCommandLineOption appletPopupOption(QStringLiteral("appletPopup"));
+    parser.addOption(appletPopupOption);
     QCommandLineOption panelOption(QStringLiteral("panel"));
     parser.addOption(panelOption);
     QCommandLineOption desktopOption(QStringLiteral("desktop"));
@@ -184,6 +186,8 @@ int main(int argc, char **argv)
         client.setRole(PlasmaShellSurface::Role::OnScreenDisplay);
     } else if (parser.isSet(tooltipOption)) {
         client.setRole(PlasmaShellSurface::Role::ToolTip);
+    } else if (parser.isSet(appletPopupOption)) {
+        client.setRole(PlasmaShellSurface::Role::AppletPopup);
     }
     client.setSkipTaskbar(parser.isSet(skipTaskbarOption));
     client.setSkipSwitcher(parser.isSet(skipSwitcherOption));