clipboard: make new Wayland implementation build on non-Apple unices only

plugins/clipboard/CMakeLists.txt

-find_package(QtWaylandScanner REQUIRED)
-find_package(Wayland 1.15 COMPONENTS Client)
-find_package(Qt5 ${QT_MIN_VERSION} CONFIG REQUIRED COMPONENTS WaylandClient)
+if(UNIX AND NOT APPLE)
+    find_package(QtWaylandScanner REQUIRED)
+    find_package(Wayland 1.15 COMPONENTS Client)
+    find_package(Qt5 ${QT_MIN_VERSION} CONFIG REQUIRED COMPONENTS WaylandClient)
+endif()
 
 set(debug_file_SRCS)
 ecm_qt_declare_logging_category(
@@ -8,22 +10,27 @@ ecm_qt_declare_logging_category(
     IDENTIFIER KDECONNECT_PLUGIN_CLIPBOARD CATEGORY_NAME kdeconnect.plugin.clipboard
     DEFAULT_SEVERITY Warning
     EXPORT kdeconnect-kde DESCRIPTION "kdeconnect (plugin clipboard)")
+
 set(kdeconnect_clipboard_SRCS
     clipboardplugin.cpp
     clipboardlistener.cpp
-    datacontrol.cpp
     ${debug_file_SRCS}
 )
 
-ecm_add_qtwayland_client_protocol(kdeconnect_clipboard_SRCS
-    PROTOCOL  wlr-data-control-unstable-v1.xml
-    BASENAME wlr-data-control-unstable-v1
-)
+if(UNIX AND NOT APPLE)
+    list(APPEND kdeconnect_clipboard_SRCS datacontrol.cpp)
+    ecm_add_qtwayland_client_protocol(kdeconnect_clipboard_SRCS
+        PROTOCOL  wlr-data-control-unstable-v1.xml
+        BASENAME wlr-data-control-unstable-v1
+    )
+    set(kdeconnect_clipboard_WL_LINK_LIBS Qt5::GuiPrivate # for native interface to get wl_seat
+    Wayland::Client Qt::WaylandClient)
+endif()
+
 
 kdeconnect_add_plugin(kdeconnect_clipboard JSON kdeconnect_clipboard.json SOURCES ${kdeconnect_clipboard_SRCS})
 
 target_link_libraries(kdeconnect_clipboard kdeconnectcore
                                     Qt5::Gui
-                                    Qt5::GuiPrivate # for native interface to get wl_seat
-                                    Wayland::Client Qt::WaylandClient
+                                    ${kdeconnect_clipboard_WL_LINK_LIBS}
                                     )

plugins/clipboard/clipboardlistener.cpp

@@ -8,7 +8,9 @@
 #include <QDebug>
 #include <QMimeData>
 
+#if !defined(Q_OS_WIN) && !defined(Q_OS_MAC)
 #include "datacontrol.h"
+#endif
 
 ClipboardListener::ClipboardListener()
 {}
@@ -27,11 +29,15 @@ ClipboardListener* ClipboardListener::instance()
 {
     static ClipboardListener* me = nullptr;
     if (!me) {
+#if !defined(Q_OS_WIN) && !defined(Q_OS_MAC)
         if (QGuiApplication::platformName().startsWith(QLatin1String("wayland"), Qt::CaseInsensitive)) {
             me = new WaylandClipboardListener();
         } else {
+#endif
             me = new QClipboardListener();
+#if !defined(Q_OS_WIN) && !defined(Q_OS_MAC)
         }
+#endif
     }
     return me;
 }
@@ -72,6 +78,7 @@ void QClipboardListener::setText(const QString& content)
     clipboard->setText(content);
 }
 
+#if !defined(Q_OS_WIN) && !defined(Q_OS_MAC)
 WaylandClipboardListener::WaylandClipboardListener()
     : m_dataControl(new DataControl(this))
 {
@@ -105,3 +112,4 @@ void WaylandClipboardListener::refresh(const QMimeData *mime)
     refreshContent(content);
     Q_EMIT clipboardChanged(content);
 }
+#endif
\ No newline at end of file