Add a ToolTip role to PlasmaShellSurface

Summary:
As Wayland doesn't have a proper ToolTip window type yet, we add it
to PlasmaShellSurface, so that we can use it for Plasma's tooltips.

Reviewers: #plasma_on_wayland

Subscribers: plasma-devel

Tags: #plasma_on_wayland

Differential Revision: https://phabricator.kde.org/D2030

src/wayland/autotests/client/test_plasmashell.cpp

@@ -157,6 +157,7 @@ void TestPlasmaShell::testRole_data()
     QTest::newRow("osd") << PlasmaShellSurface::Role::OnScreenDisplay << PlasmaShellSurfaceInterface::Role::OnScreenDisplay;
     QTest::newRow("panel") << PlasmaShellSurface::Role::Panel << PlasmaShellSurfaceInterface::Role::Panel;
     QTest::newRow("notification") << PlasmaShellSurface::Role::Notification << PlasmaShellSurfaceInterface::Role::Notification;
+    QTest::newRow("tooltip") << PlasmaShellSurface::Role::ToolTip << PlasmaShellSurfaceInterface::Role::ToolTip;
 }
 
 void TestPlasmaShell::testRole()

src/wayland/plasmashell_interface.cpp

@@ -239,6 +239,9 @@ void PlasmaShellSurfaceInterface::Private::setRole(uint32_t role)
     case ORG_KDE_PLASMA_SURFACE_ROLE_NOTIFICATION:
         r = Role::Notification;
         break;
+    case ORG_KDE_PLASMA_SURFACE_ROLE_TOOLTIP:
+        r = Role::ToolTip;
+        break;
     case ORG_KDE_PLASMA_SURFACE_ROLE_NORMAL:
     default:
         r = Role::Normal;

src/wayland/plasmashell_interface.h

@@ -109,7 +109,8 @@ public:
         Desktop, ///< The surface represents a desktop, normally stacked below all other surfaces
         Panel, ///< The surface represents a panel (dock), normally stacked above normal surfaces
         OnScreenDisplay, ///< The surface represents an on screen display, like a volume changed notification
-        Notification ///< The surface represents a notification @since 5.24
+        Notification, ///< The surface represents a notification @since 5.24
+        ToolTip ///< The surface represents a tooltip @since 5.24
     };
     /**
      * @returns The requested role, default value is @c Role::Normal.

src/wayland/tests/plasmasurfacetest.cpp

@@ -172,6 +172,8 @@ int main(int argc, char **argv)
     parser.addOption(desktopOption);
     QCommandLineOption osdOption(QStringLiteral("osd"));
     parser.addOption(osdOption);
+    QCommandLineOption tooltipOption(QStringLiteral("tooltip"));
+    parser.addOption(tooltipOption);
     QCommandLineOption skipTaskbarOption(QStringLiteral("skipTaskbar"));
     parser.addOption(skipTaskbarOption);
     parser.process(app);
@@ -186,6 +188,8 @@ int main(int argc, char **argv)
         client.setRole(PlasmaShellSurface::Role::Desktop);
     } else if (parser.isSet(osdOption)) {
         client.setRole(PlasmaShellSurface::Role::OnScreenDisplay);
+    } else if (parser.isSet(tooltipOption)) {
+        client.setRole(PlasmaShellSurface::Role::ToolTip);
     }
     client.setSkipTaskbar(parser.isSet(skipTaskbarOption));