Remove support for clearing the Klipper history.

KDE Plasma 5 doesn't provide the DBus interface anymore and
this avoids the QtDBus dependency.

CMakeLists.txt

@@ -159,9 +159,6 @@ if(WITH_TESTS)
 endif(WITH_TESTS)
 
 set(QT_REQUIRED_MODULES QtCore QtGui QtTest)
-if(UNIX AND NOT APPLE)
-  set(QT_REQUIRED_MODULES ${QT_REQUIRED_MODULES} QtDBus)
-endif()
 
 find_package(Qt4 4.6.0 REQUIRED ${QT_REQUIRED_MODULES})
 include(${QT_USE_FILE})

src/CMakeLists.txt

@@ -248,10 +248,6 @@ target_link_libraries(${PROGNAME}
                       ${GCRYPT_LIBRARIES}
                       ${ZLIB_LIBRARIES})
 
-if(UNIX AND NOT APPLE)
-  target_link_libraries(${PROGNAME} ${QT_QTDBUS_LIBRARY})
-endif()
-
 set_target_properties(${PROGNAME} PROPERTIES ENABLE_EXPORTS ON)
 
 if(APPLE)

src/gui/Clipboard.cpp

@@ -21,11 +21,6 @@
 #include <QClipboard>
 #include <QTimer>
 
-#if defined(Q_OS_UNIX) && !defined(Q_OS_MAC)
-#include <QDBusConnection>
-#include <QDBusMessage>
-#endif
-
 #include "core/Config.h"
 
 Clipboard* Clipboard::m_instance(Q_NULLPTR);
@@ -75,11 +70,6 @@ void Clipboard::clearClipboard()
         clipboard->clear(QClipboard::Selection);
     }
 
-#if defined(Q_OS_UNIX) && !defined(Q_OS_MAC)
-    QDBusMessage message = QDBusMessage::createMethodCall("org.kde.klipper", "/klipper", "", "clearClipboardHistory");
-    QDBusConnection::sessionBus().send(message);
-#endif
-
     m_lastCopied.clear();
 }
 

tests/CMakeLists.txt

@@ -93,10 +93,6 @@ set(TEST_LIBRARIES
     ${ZLIB_LIBRARIES}
 )
 
-if(UNIX AND NOT APPLE)
-  set(TEST_LIBRARIES ${TEST_LIBRARIES} ${QT_QTDBUS_LIBRARY})
-endif()
-
 set(modeltest_SOURCRS modeltest.cpp)
 qt4_wrap_cpp(modeltest_SOURCRS modeltest.h)
 add_library(modeltest STATIC ${modeltest_SOURCRS})